1802 lines
65 KiB
Markdown
1802 lines
65 KiB
Markdown
# 气敏传感器
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<head>
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</script>
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</head>
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## TB600B-IAQ-10 空气质量检测模组
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<div class = "wrapper">
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
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<tr>
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<td style="width: 50%;">
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<!--左侧内容-->
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<img src = "./imagesrc/TB600B.png" alt="TB600B" width =100% max-width= 100% >
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</td>
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<td style="width: 50%;">
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<!--右侧内容-->
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多种有害气体测量反应计算，可有效评估空气新鲜度；</br></br>
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可检测VOC有机挥发物类、硫化物、氮氧化物、胺类、烃类、酮类、醇类、一氧化碳等多种无机气体；</br></br>
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长寿命、检测稳定、可靠性高；</br></br>
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快速响应；</br></br>
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独立温湿度数字传感器，结合智能算法，环境适应性强；</br></br>
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小体积低功耗；</br></br>
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</td>
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</tr>
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</table>
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</div>
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### 应用领域
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+ 室内家居空气质量污染监测
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+ 家用、商用新风在线净化系统
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+ 家用新风机、净化器
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+ 商业场所空气质量污染监测
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+ 室内温湿度监测仪
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+ 车载空气净化器
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+ 公共交通工具空间内空气监测
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+ 暖通空调系统
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+ 智能可穿戴设备（腕表、口罩、手机）
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+ 健康运动设备
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+ 抽油烟机和智能家具产品
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+ 实验室排风柜系统
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+ 超净实验室环境监测
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+ 小型无人机环境空气质量监测
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### 接线说明
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<div style="display: flex;justify-content: center;align-items: center;">
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<img src = "./imagesrc/TB600B_2.png" alt="TB600B_2" width =80% max-width= 80% >
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</br>
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</div>
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按照上图中从上到下的顺序：
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
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<tr>
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<td width = 100>序号</td>
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<td width = 250>TB600B模块</td>
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<td width = 250>备注</td>
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</tr>
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<tr>
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<td>1</td>
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<td>TX</td>
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<td>接嵌入式系统RX引脚</td>
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</tr>
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<tr>
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<td>2</td>
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<td>RX</td>
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<td>接嵌入式系统TX引脚</td>
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</tr>
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<tr>
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<td>3</td>
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<td>GND</td>
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<td>模块公共地</td>
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</tr>
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<tr>
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<td>4</td>
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<td>VCC</td>
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<td>供电电压，3.3 V~5.5 V</td>
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</tr>
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</table>
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</div>
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### 使用步骤
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+ 接线
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+ 空气质量检测模组上电后需要短暂的数据稳定时间，通常在1min以内。
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+ 该检测模组为扩散式检测环境气体，需要确保流量在500ml以内，且保证流量稳定。流量较大时会带来压力的变化，从而导致传感器信号值变化。流速会产生压力，压力的变化会导致输出信号的变化，压力增大，信号变大，传感器信号会出现峰值突变。避免在负压环境下使用，对传感器造成物理无法恢复的损坏。
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### 通信协议
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#### 一、通用设置
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传感器使用串行通讯方式。
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
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<tr>
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<td width = 200>波特率</td>
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<td width = 400>9600</td>
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</tr>
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<tr>
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<td>数据位</td>
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<td>8位</td>
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</tr>
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<tr>
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<td>停止位</td>
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<td>1位</td>
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</tr>
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<tr>
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<td>校验位</td>
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<td>无</td>
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</tr>
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</table>
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</div>
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注意： 通讯分为主动上传和问答式，上电默认为问答式。
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#### 二、 传输模式切换指令
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+ 切换到主动上传
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
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<tr>
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<td width = 100 style = "text-align:center">0</td>
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<td width = 100 style = "text-align:center">1</td>
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<td width = 100 style = "text-align:center">2</td>
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<td width = 100 style = "text-align:center">3</td>
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<td width = 100 style = "text-align:center">4</td>
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<td width = 100 style = "text-align:center">5</td>
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<td width = 100 style = "text-align:center">6</td>
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<td width = 100 style = "text-align:center">7</td>
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<td width = 100 style = "text-align:center">8</td>
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</tr>
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<tr>
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<td style = "text-align:center">起始位</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">切换命令</td>
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<td style = "text-align:center">主动上传</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">校验值</td>
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</tr>
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<tr>
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<td style = "text-align:center">0xFF</td>
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<td style = "text-align:center">0x01</td>
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<td style = "text-align:center">0x78</td>
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<td style = "text-align:center">0x40</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x47</td>
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</tr>
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</table>
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</div>
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+ 切换到被动上传
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
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<tr>
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<td width = 100 style = "text-align:center">0</td>
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<td width = 100 style = "text-align:center">1</td>
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<td width = 100 style = "text-align:center">2</td>
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<td width = 100 style = "text-align:center">3</td>
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<td width = 100 style = "text-align:center">4</td>
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<td width = 100 style = "text-align:center">5</td>
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<td width = 100 style = "text-align:center">6</td>
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<td width = 100 style = "text-align:center">7</td>
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<td width = 100 style = "text-align:center">8</td>
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</tr>
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<tr>
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<td style = "text-align:center">起始位</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">切换命令</td>
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<td style = "text-align:center">主动上传</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">校验值</td>
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</tr>
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<tr>
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<td style = "text-align:center">0xFF</td>
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<td style = "text-align:center">0x01</td>
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<td style = "text-align:center">0x78</td>
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<td style = "text-align:center">0x41</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x46</td>
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</tr>
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</table>
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</div>
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#### 三、 查询模式下命令
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+ 获取传感器类型，最大量程，单位小数位数指令：`0xD1`
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</br>
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返回值：</br>
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
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<tr>
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<td width = 100 style = "text-align:center">0</td>
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<td width = 100 style = "text-align:center">1</td>
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<td width = 100 style = "text-align:center">2</td>
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<td width = 100 style = "text-align:center">3</td>
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<td width = 100 style = "text-align:center">4</td>
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<td width = 100 style = "text-align:center">5</td>
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<td width = 100 style = "text-align:center">6</td>
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<td width = 100 style = "text-align:center">7</td>
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<td width = 100 style = "text-align:center">8</td>
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</tr>
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<tr>
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<td style = "text-align:center">传感器类型</td>
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<td style = "text-align:center">最大量程高位</td>
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<td style = "text-align:center">最大量程低位</td>
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<td style = "text-align:center">单位</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">数据小数位数（bit[4]~bit[7]）,数据正负号（bit[0]~bit[3]）</td>
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<td style = "text-align:center">校验值</td>
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</tr>
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<tr>
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<td style = "text-align:center">0x18</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0xC8</td>
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<td style = "text-align:center">0x02</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x01</td>
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<td style = "text-align:center">0x35</td>
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</tr>
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</table>
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</div>
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**说明：**</br>
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最大量程 = (最大量程高位 << 8) | 最大量程低位</br>
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单位： 0x02( $ ppm $ 和 $mg/m_3$ )</br>
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正负号: 0(正数) 1(负数)</br>
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小数位数: 读出的浓度值是代多少个小数，小数位数最多是3位
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+ 获取传感器类型，最大量程，单位，单位小数位数指令：`0xD7`
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
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<tr>
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<td width = 100 style = "text-align:center">0</td>
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<td width = 100 style = "text-align:center">1</td>
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<td width = 100 style = "text-align:center">2</td>
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<td width = 100 style = "text-align:center">3</td>
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<td width = 100 style = "text-align:center">4</td>
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<td width = 100 style = "text-align:center">5</td>
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<td width = 100 style = "text-align:center">6</td>
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<td width = 100 style = "text-align:center">7</td>
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<td width = 100 style = "text-align:center">8</td>
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</tr>
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<tr>
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<td style = "text-align:center">指令头1</td>
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<td style = "text-align:center">指令头2</td>
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<td style = "text-align:center">传感器类型</td>
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<td style = "text-align:center">最大量程高位</td>
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<td style = "text-align:center">最大量程低位</td>
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<td style = "text-align:center">单位</td>
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<td style = "text-align:center">数据小数位数（bit[4]~bit[7]）,数据正负号（bit[0]~bit[3]）</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">校验值</td>
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</tr>
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<tr>
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<td style = "text-align:center">0xFF</td>
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<td style = "text-align:center">0xD7</td>
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<td style = "text-align:center">0x18</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0xC8</td>
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<td style = "text-align:center">0x02</td>
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<td style = "text-align:center">0x01</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x46</td>
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</tr>
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</table>
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</div>
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**说明：**</br>
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校验和：1～7位数据相加，生成一个8位的数据，各位相反，末尾加1</br>
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小数位数bit[4]~bit[7]: </br>
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`(bit[7]<<3) | (bit[6]<<2) | (bit[5]<<1) | bit[4] = 小数位数`
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</br></br>
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数据正负号(bit[0]~bit[3])</br>
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`(bit[3]<<3) | (bit[2]<<2) | (bit[1]<<1) | bit[0] = 0` 负向抑制
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</br>
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`(bit[3]<<3) | (bit[2]<<2) | (bit[1]<<1) | bit[0] = 0` 正向抑制
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</br>
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</br>
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单位：
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0x02: 单位为$mg/{m^3}$和$ppm$</br>
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0x04: 单位为$um/{m^3}$和$ppb$</br>
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0x08: 单位为$10g/{m^3}$和$%$
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+ 主动读气体浓度值格式如下：
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
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<tr>
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<td width = 100 style = "text-align:center">0</td>
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<td width = 100 style = "text-align:center">1</td>
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<td width = 100 style = "text-align:center">2</td>
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<td width = 100 style = "text-align:center">3</td>
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<td width = 100 style = "text-align:center">4</td>
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<td width = 100 style = "text-align:center">5</td>
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<td width = 100 style = "text-align:center">6</td>
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<td width = 100 style = "text-align:center">7</td>
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<td width = 100 style = "text-align:center">8</td>
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</tr>
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<tr>
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<td style = "text-align:center">起始位</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">命令</td>
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<td style = "text-align:center">保留</td>
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<td style = "text-align:center">保留</td>
|
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<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">保留</td>
|
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<td style = "text-align:center">保留</td>
|
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<td style = "text-align:center">校验值</td>
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</tr>
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<tr>
|
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<td style = "text-align:center">0xFF</td>
|
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<td style = "text-align:center">0x01</td>
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<td style = "text-align:center">0x86</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x00</td>
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<td style = "text-align:center">0x79</td>
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</tr>
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</table>
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</div>
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返回值：
|
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<div>
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<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
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<tr>
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<td width = 100 style = "text-align:center">0</td>
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<td width = 100 style = "text-align:center">1</td>
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<td width = 100 style = "text-align:center">2</td>
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<td width = 100 style = "text-align:center">3</td>
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<td width = 100 style = "text-align:center">4</td>
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<td width = 100 style = "text-align:center">5</td>
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<td width = 100 style = "text-align:center">6</td>
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<td width = 100 style = "text-align:center">7</td>
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<td width = 100 style = "text-align:center">8</td>
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</tr>
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<tr>
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<td style = "text-align:center">起始位</td>
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<td style = "text-align:center">命令</td>
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<td style = "text-align:center">气体浓度高位($ug/{m^3}$)</td>
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<td style = "text-align:center">气体浓度低位($ug/{m^3}$)</td>
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<td style = "text-align:center">满量程高位</td>
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<td style = "text-align:center">满量程低位</td>
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<td style = "text-align:center">气体浓度高位($ppb$)</td>
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<td style = "text-align:center">气体浓度低位($ppb$)</td>
|
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<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x86</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x2A</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x30</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
**说明：**</br>
|
||
校验和：1～7位数据相加，生成一个8位数据，各位取反，末尾加1</br>
|
||
气体浓度值 = 气体浓度高位 * 256 + 气体浓度低位</br>
|
||
(浓度高位和浓度低位需要从16进制换算为10进制后再带入本公式计算)
|
||
|
||
+ 气体浓度值和温湿度合并读取指令
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">命令</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x01</td>
|
||
<td style = "text-align:center">0x87</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x78</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
返回值：
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">命令</td>
|
||
<td style = "text-align:center">气体浓度高位($ug/{m^3}$)</td>
|
||
<td style = "text-align:center">气体浓度低位($ug/{m^3}$)</td>
|
||
<td style = "text-align:center">满量程高位</td>
|
||
<td style = "text-align:center">满量程低位</td>
|
||
<td style = "text-align:center">气体浓度高位($ppb$)</td>
|
||
<td style = "text-align:center">气体浓度低位($ppb$)</td>
|
||
<td style = "text-align:center">温度高位</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x87</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x2A</td>
|
||
<td style = "text-align:center">0x03</td>
|
||
<td style = "text-align:center">0xE8</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x20</td>
|
||
<td style = "text-align:center">0x09</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">9</td>
|
||
<td width = 100 style = "text-align:center">10</td>
|
||
<td width = 100 style = "text-align:center">11</td>
|
||
<td width = 100 style = "text-align:center">12</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">温度低位</td>
|
||
<td style = "text-align:center">湿度高位</td>
|
||
<td style = "text-align:center">湿度低位</td>
|
||
<td style = "text-align:center">校验和</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xC4</td>
|
||
<td style = "text-align:center">0x13</td>
|
||
<td style = "text-align:center">0x88</td>
|
||
<td style = "text-align:center">0xDC</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
**说明：**</br>
|
||
校验和： 1～11位数据相加，生成1个8位的数据，各位取反，末尾加1</br>
|
||
气体浓度值 = 气体浓度高位 * 256 + 气体浓度低位；</br>
|
||
(浓度高位和浓度低位需要从16进制换算为10进制再带入本公式计算)</br></br>
|
||
温度是带符号和两位小数的数据，单位是(°C)，伪代码计算公式：</br>
|
||
`T = (float)(int)((0x0A<<8)|0x09)/100` </br></br>
|
||
湿度是不带符号和两位小数的数据，单位是(rh%)，伪代码计算公式：</br>
|
||
`Rh = (float)(uint)((0x0A<<8)|0x09)/100`
|
||
|
||
|
||
+ 获取当前温度和湿度
|
||
指令：`0xD2`
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 225 style = "text-align:center">0</td>
|
||
<td width = 225 style = "text-align:center">1</td>
|
||
<td width = 225 style = "text-align:center">2</td>
|
||
<td width = 225 style = "text-align:center">3</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">温度高8位</td>
|
||
<td style = "text-align:center">温度低8位</td>
|
||
<td style = "text-align:center">湿度高8位</td>
|
||
<td style = "text-align:center">湿度低8位</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0x0A</td>
|
||
<td style = "text-align:center">0x09</td>
|
||
<td style = "text-align:center">0x11</td>
|
||
<td style = "text-align:center">0xF4</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
**说明：**</br>
|
||
温度是带符号和两位小数的数据，单位是(°C)，伪代码计算公式：</br>
|
||
`T = (float)(int)((0x0A<<8)|0x09)/100` </br></br>
|
||
湿度是不带符号和两位小数的数据，单位是(rh%)，伪代码计算公式：</br>
|
||
`Rh = (float)(uint)((0x0A<<8)|0x09)/100`
|
||
|
||
+ 获取当前温度和湿度带校验
|
||
指令：`0xD6`
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 180 style = "text-align:center">0</td>
|
||
<td width = 180 style = "text-align:center">1</td>
|
||
<td width = 180 style = "text-align:center">2</td>
|
||
<td width = 180 style = "text-align:center">3</td>
|
||
<td width = 180 style = "text-align:center">4</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">温度高8位</td>
|
||
<td style = "text-align:center">温度低8位</td>
|
||
<td style = "text-align:center">湿度高8位</td>
|
||
<td style = "text-align:center">湿度低8位</td>
|
||
<td style = "text-align:center">校验和</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0x0A</td>
|
||
<td style = "text-align:center">0x09</td>
|
||
<td style = "text-align:center">0x11</td>
|
||
<td style = "text-align:center">0xF4</td>
|
||
<td style = "text-align:center">0xE8</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
**说明：**</br>
|
||
校验和：0～3位数据相加，生成一个8位的数据，各位取反，末尾加1
|
||
|
||
#### 四、 主动上传模式下数据
|
||
上传数据格式如下：
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">命令</td>
|
||
<td style = "text-align:center">气体浓度高位($ug/{m^3}$)</td>
|
||
<td style = "text-align:center">气体浓度低位($ug/{m^3}$)</td>
|
||
<td style = "text-align:center">满量程高位</td>
|
||
<td style = "text-align:center">满量程低位</td>
|
||
<td style = "text-align:center">气体浓度高位($ppb$)</td>
|
||
<td style = "text-align:center">气体浓度低位($ppb$)</td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x86</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x2A</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x20</td>
|
||
<td style = "text-align:center">0x30</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
**说明：**</br>
|
||
校验和：0～11位数据相加，生成一个8位的数据，各位取反，末尾加1</br>
|
||
气体浓度值 = 气体浓度值高位 * 256 + 气体浓度值低位；</br>
|
||
(浓度高位和浓度低位需要从16进制换算为10进制后再带入本公式计算)
|
||
|
||
*其他关于低功耗的指令详见数据手册*
|
||
|
||
## TB600B-WQ-HCHO-1-O 甲醛气体检测模组
|
||
|
||
<div class = "wrapper">
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
|
||
<tr>
|
||
<td style="width: 50%;">
|
||
<!--左侧内容-->
|
||
<img src = "./imagesrc/TB600BHCHO.png" alt="TB600B_HCHO" width =100% max-width= 100% >
|
||
</td>
|
||
<td style="width: 50%;">
|
||
<!--右侧内容-->
|
||
ppb级高精度环境监测应用；</br></br>
|
||
极强的抗干扰能力，对低浓度乙醇、CO、芳香烃、异味、烟气、空气清新剂等有很好的抗干扰能力；</br></br>
|
||
长寿命、检测稳定、可靠性高；</br></br>
|
||
快速响应；</br></br>
|
||
独立温湿度数字传感器，结合智能算法，环境适应性强；</br></br>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 应用领域
|
||
+ 室内家居空气质量污染监测
|
||
+ 家用、商用新风在线净化系统
|
||
+ 家用新风机、净化器
|
||
+ 商业场所空气质量污染监测
|
||
+ 室内温湿度监测仪
|
||
+ 车载空气净化器
|
||
+ 公共交通工具空间内空气监测
|
||
+ 暖通空调系统
|
||
+ 智能可穿戴设备（腕表、口罩、手机）
|
||
+ 健康运动设备
|
||
|
||
*接线及通信协议与TB600B-IAQ-10 空气质量检测模组相同，这里不再赘述。更为详细的指令详见数据手册*
|
||
|
||
## TB600B-TVOC-10 有机挥发物气体检测模组
|
||
|
||
<div class = "wrapper">
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
|
||
<tr>
|
||
<td style="width: 50%;">
|
||
<!--左侧内容-->
|
||
<img src = "./imagesrc/TB600BTVOC.png" alt="TB600B_TVOC" width =100% max-width= 100% >
|
||
</td>
|
||
<td style="width: 50%;">
|
||
<!--右侧内容-->
|
||
ppb级高精度环境监测应用；</br></br>
|
||
ppb级TVOC气体传感器；</br></br>
|
||
可对300多类以上的VOC气体反应；</br></br>
|
||
长寿命、检测稳定、可靠性高；</br></br>
|
||
快速响应；</br></br>
|
||
独立温湿度数字传感器，结合智能算法，环境适应性强；</br></br>
|
||
小体积低功耗；</br></br>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 应用领域
|
||
+ 室内家居空气质量污染监测
|
||
+ 家用、商用新风在线净化系统
|
||
+ 家用新风机、净化器
|
||
+ 商业场所空气质量污染监测
|
||
+ 室内温湿度监测仪
|
||
+ 车载空气净化器
|
||
+ 公共交通工具空间内空气监测
|
||
+ 暖通空调系统
|
||
+ 智能可穿戴设备（腕表、口罩、手机）
|
||
+ 健康运动设备
|
||
+ 抽油烟机和智能家具产品
|
||
+ 实验室排风柜系统
|
||
+ 超净实验室环境监测
|
||
+ 小型无人机环境空气质量监测
|
||
|
||
*接线及通信协议与TB600B-IAQ-10 空气质量检测模组相同，这里不再赘述。更为详细的指令详见数据手册*
|
||
|
||
|
||
## G8 二氧化碳气体检测模组
|
||
|
||
<div class = "wrapper">
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
|
||
<tr>
|
||
<td style="width: 50%;">
|
||
<!--左侧内容-->
|
||
<img src = "./imagesrc/G8.jpg" alt="G8" width =100% max-width= 100% >
|
||
</td>
|
||
<td style="width: 50%;">
|
||
<!--右侧内容-->
|
||
非色散红外技术，精确监测CO<sub>2</sub></br></br>
|
||
定期自动校准和手动校准，可选</br></br>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 应用领域
|
||
+ 室内空气质量
|
||
+ 采暖通风与空调系统
|
||
+ 环境监测
|
||
+ 绿色建筑
|
||
|
||
### 性能指标
|
||
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
|
||
<tr>
|
||
<td width = 250>检测气种 </td>
|
||
<td width = 350>二氧化碳</td>
|
||
</tr>
|
||
<tr>
|
||
<td>应用原理 </td>
|
||
<td>非色散红外技术</td>
|
||
</tr>
|
||
<tr>
|
||
<td>检测范围</td>
|
||
<td>400ppm ~ 2000ppm</br>可扩展为0~10000ppm</td>
|
||
</tr>
|
||
<tr>
|
||
<td>测量周期</td>
|
||
<td>4 秒</td>
|
||
</tr>
|
||
<tr>
|
||
<td>准确度 </td>
|
||
<td>±50ppm±读数的3%</td>
|
||
</tr>
|
||
<tr>
|
||
<td>响应时间(T90) </td>
|
||
<td>120秒</td>
|
||
</tr>
|
||
<tr>
|
||
<td>预热时间</td>
|
||
<td>上电8秒(输出浓度)上电3分钟(准确输出)</br></td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 接线说明
|
||
<div style="display: flex;justify-content: center;align-items: center;">
|
||
<img src = "./imagesrc/G8_pin.png" alt="G8_pin" width =100% max-width= 100% >
|
||
</br>
|
||
</div>
|
||
|
||
**工作电压为4.5V ~ 5.25V**
|
||
|
||
### 通信协议
|
||
#### 一、通用设置
|
||
传感器使用串行通讯方式。
|
||
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
|
||
<tr>
|
||
<td width = 200>波特率</td>
|
||
<td width = 400>9600</td>
|
||
</tr>
|
||
<tr>
|
||
<td>数据位</td>
|
||
<td>8位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>停止位</td>
|
||
<td>1位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>校验位</td>
|
||
<td>无</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
#### 二、数据包格式
|
||
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 700>
|
||
<tr>
|
||
<td width = 100>Byte1</td>
|
||
<td width = 100>......</td>
|
||
<td width = 100>ByteN</td>
|
||
<td width = 100>0x09</td>
|
||
<td width = 100>校验字</td>
|
||
<td width = 100>0x0d</td>
|
||
<td width = 100>0x0a</td>
|
||
</tr>
|
||
<tr>
|
||
<td colspan="3">数据区</td>
|
||
<td >Tab</td>
|
||
<td >校验区</td>
|
||
<td >回车</td>
|
||
<td >换行</td>
|
||
</tr>
|
||
|
||
</table>
|
||
</div>
|
||
|
||
1. 一个数据包是由 ASCII 码组成的字符串
|
||
2. 校验字算法：数据区(Byte1~ByteN,不包含 Tab)的所有字节累加求和，记为
|
||
Sum，则校验字 Checksum = (unsigned char)(-(signed char)Sum)
|
||
3. 校验区内容：是校验字的两位 ASCII 码(占两个字节)，例如校验字为 0x23，则
|
||
校验区为 0x32,0x33(即字符'2','3');又如校验字是 0xab，则校验区为
|
||
0x41,0x42(即字符'A','B'，注意此处应是大写字母)
|
||
|
||
### 串口协议命令表
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;text-align:center" width = 600>
|
||
<tr>
|
||
<td width = 100><B>指令</B></td>
|
||
<td width = 250><B>功能名称</B></td>
|
||
<td width = 250><B>说明</B></td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 100>R0</td>
|
||
<td width = 250>读取传感器序列号及版本号</td>
|
||
<td width = 250>/</td>
|
||
</tr>
|
||
<tr>
|
||
<td>R4</td>
|
||
<td>读取传感器量程及单位</td>
|
||
<td>/</td>
|
||
</tr>
|
||
<tr>
|
||
<td>R6</td>
|
||
<td>读浓度</td>
|
||
<td>/</td>
|
||
</tr>
|
||
<tr>
|
||
<td>RA</td>
|
||
<td>查看零点校准功能状态</td>
|
||
<td>包括开关、进行阶段、周期、基准值</td>
|
||
</tr>
|
||
<tr>
|
||
<td>SA+时间(h)</td>
|
||
<td>设定零点校准周期+开关</td>
|
||
<td>时间为0时表示暂停此功能；</br>时间大于0时表示开启此功能,并将周期设为相应时间</br></td>
|
||
</tr>
|
||
<tr>
|
||
<td>SC+浓度(ppm)</td>
|
||
<td>设定零点校准基准值</td>
|
||
<td>/</td>
|
||
</tr>
|
||
<tr>
|
||
<td>B+浓度(ppm)</td>
|
||
<td>单点标定</td>
|
||
<td>/</td>
|
||
</tr>
|
||
<tr>
|
||
<td>F0</td>
|
||
<td>切换到F0模式</td>
|
||
<td>传感器进入不主动发送浓度值状态</td>
|
||
</tr>
|
||
<tr>
|
||
<td>F1</td>
|
||
<td>切换到F1模式</td>
|
||
<td>传感器进入主动发送浓度值状态</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
#### 协议示例
|
||
+ 读取传感器序列号及版本号
|
||
|
||
发送：
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 700>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0x52</td>
|
||
<td style = "text-align:center">0x30</td>
|
||
<td style = "text-align:center">0x09</td>
|
||
<td style = "text-align:center">0x37</td>
|
||
<td style = "text-align:center">0x45</td>
|
||
<td style = "text-align:center">0x0D</td>
|
||
<td style = "text-align:center">0x0A</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
转换为ASCII 码： R0 7E</br>
|
||
应答(ASCII 码)： ID:718D FA31 FW:207 MAP:1 11</br></br>
|
||
说明:</br>
|
||
ID:718D FA31 —— 序列号</br>
|
||
FW:207 —— 固件版本号</br>
|
||
MAP:1 —— 寄存器映射版本号</br>
|
||
|
||
+ 读取浓度值
|
||
|
||
发送：
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 700>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0x52</td>
|
||
<td style = "text-align:center">0x36</td>
|
||
<td style = "text-align:center">0x09</td>
|
||
<td style = "text-align:center">0x37</td>
|
||
<td style = "text-align:center">0x38</td>
|
||
<td style = "text-align:center">0x0D</td>
|
||
<td style = "text-align:center">0x0A</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
转换为ASCII 码： R6 78</br>
|
||
应答(ASCII 码)： 1265 32</br></br>
|
||
说明:</br>
|
||
浓度值为1265ppm
|
||
|
||
*更多示例详见数据手册*
|
||
|
||
## AS830 可燃（有毒）气体探测模块
|
||
|
||
<div class = "wrapper">
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
|
||
<tr>
|
||
<td style="width: 50%;">
|
||
<!--左侧内容-->
|
||
<img src = "./imagesrc/AS830.png" alt="AS830" width =100% max-width= 100% >
|
||
</td>
|
||
<td style="width: 50%;">
|
||
<!--右侧内容-->
|
||
监测可燃气体和一氧化碳的浓度；</br></br>
|
||
具有燃气泄漏报警功能；</br></br>
|
||
具有燃气不完全燃烧报警功能。</br>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 应用领域
|
||
+ 可燃（有毒）气体泄漏报警；
|
||
+ 燃气炉具、热水器不完全燃烧监控；
|
||
+ 室内空调环境下，空气质量监测。
|
||
|
||
*注:该模块可独立使用,也可安装在燃气器具内配套使用。*
|
||
|
||
### 技术参数
|
||
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 700>
|
||
<tr>
|
||
<td width = 175 rowspan="4" style = "text-align:center" >分型产品（可选）</td>
|
||
<td width = 175 style = "text-align:center"><b>分型号</b></td>
|
||
<td width = 175 style = "text-align:center"><b>可探测气体</b></td>
|
||
<td width = 175 style = "text-align:center"><b>传感器</b></td>
|
||
</tr>
|
||
<tr>
|
||
<td>AS830</td>
|
||
<td>CO 和 CH<sub>4</sub></td>
|
||
<td>SB-95-12</td>
|
||
</tr>
|
||
<tr>
|
||
<td>AS830/CO </td>
|
||
<td>CO</td>
|
||
<td>SB-500-12</td>
|
||
</tr>
|
||
<tr>
|
||
<td>AS830/CH<sub>4</sub> </td>
|
||
<td>CH<sub>4</sub> </td>
|
||
<td>SB-12A</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
</br>
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 700>
|
||
<tr>
|
||
<td width = 175 style = "text-align:center"><b>项目</b></td>
|
||
<td colspan="2" width = 525 style = "text-align:center"><b>规格</b></td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">供电电源</td>
|
||
<td colspan="2" style = "text-align:center">DC5V±10%，≤100mA</br>监视状态：电流≤40mA 报警状态：电流≤70mA </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">预热时间</td>
|
||
<td colspan="2" style = "text-align:center">通电后 180s（3 分钟）＊1 </td>
|
||
</tr>
|
||
<tr>
|
||
<td rowspan="3" style = "text-align:center">报警方式</td>
|
||
<td width = 125 style = "text-align:center">CO </td>
|
||
<td width = 400 >浓度低于 100ppm，不报警；</br>浓度在 150ppm〜300ppm 区间，保持 180s，发出低段报警；</br>浓度高于 300ppm 且保持 30s，发出高段报警。 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 125 style = "text-align:center">CH<sub>4</sub> </td>
|
||
<td width = 400 >洁净空气，不报警；</br>浓度高于 6%LEL，保持 30s，发出高段报警。 </td>
|
||
</tr>
|
||
<tr>
|
||
<td colspan="2" > 注：报警区间和报警点可以依据客户要求设计。 </td>
|
||
</tr>
|
||
<tr>
|
||
<td rowspan="6" style = "text-align:center">指示灯</td>
|
||
<td width = 125 style = "text-align:center">状态 </td>
|
||
<td width = 400 style = "text-align:center">指示灯 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">自检 </td>
|
||
<td >绿、红、黄色灯依次点亮 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">预热 </td>
|
||
<td >绿灯 快速闪亮 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">正常监视 </td>
|
||
<td >绿灯 慢速闪亮 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">故障 </td>
|
||
<td>黄灯 快速闪亮 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">报警 </td>
|
||
<td >甲烷报警： 红灯 常亮</br>低段报警（一氧化碳）：红灯 慢速闪亮</br>高段报警（一氧化碳）：红灯 快速闪亮 </td>
|
||
</tr>
|
||
<tr>
|
||
<td rowspan="6" style = "text-align:center">蜂鸣器</td>
|
||
<td colspan="2" style = "text-align:center">有源蜂鸣器距离 1 米处声压级 70dB〜95dB </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">状态 </td>
|
||
<td style = "text-align:center">蜂鸣器 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">自检 </td>
|
||
<td >短鸣一声 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">预热 </td>
|
||
<td >预热完成短鸣一声，提醒退出预热状态 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">故障 </td>
|
||
<td >每隔 10 秒“滴”一声 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">报警 </td>
|
||
<td>低段报警：每隔 2 秒“滴、滴”慢速鸣叫</br> 高段报警：每隔 0.5 秒“滴、滴”快速鸣叫</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">按键</td>
|
||
<td colspan="2" style = "text-align:center" >内置微动开关，通过针孔，使用一个工具按压，实现自检和消音＊2 功能</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">输出方式</td>
|
||
<td colspan="2" style = "text-align:center" >PWM 格式信号，峰值电平≤3.3V</td>
|
||
</tr>
|
||
<tr>
|
||
<td rowspan="8" style = "text-align:center">输出格式</td>
|
||
<td style = "text-align:center">工作状态 </td>
|
||
<td style = "text-align:center">输出波形 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">正常监视 </td>
|
||
<td style = "text-align:center">高电平 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">电源偏移</td>
|
||
<td style = "text-align:center">高 5ms 低 5ms 的方波 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">传感器断路 </td>
|
||
<td style = "text-align:center">高 5ms 低 10ms 的方波 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">传感器短路 </td>
|
||
<td style = "text-align:center">高 5ms 低 15ms 的方波 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">CO 低段报警 </td>
|
||
<td style = "text-align:center">高 5ms 低 20ms 的方波 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">CO 高端报警 </td>
|
||
<td style = "text-align:center">高 5ms 低 25ms 的方波 </td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">CH<sub>4</sub> 高段报警 </td>
|
||
<td style = "text-align:center">高 5ms 低 30ms 的方波 </td>
|
||
</tr>
|
||
|
||
</table>
|
||
</div>
|
||
|
||
### 接线说明
|
||
<div style="display: flex;justify-content: center;align-items: center;">
|
||
<img src = "./imagesrc/AS830pin.png" alt="AS830_pin" width =70% max-width= 70% >
|
||
</br>
|
||
</div>
|
||
连接线束可采用标准MicroUSB接口和标准4PIN端子。
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 700>
|
||
<tr>
|
||
<td width = 175 rowspan="5" style = "text-align:center" >引脚说明</td>
|
||
<td width = 525 colspan="2">MicroUSB （安卓手机充电器标准接口）</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 525 colspan="2">4PIN端子（XH-A卧式）</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200>VCC </td>
|
||
<td width = 325>电源正 5 V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>PWM</td>
|
||
<td> 状态输出引脚，输出 PWM 波形</td>
|
||
</tr>
|
||
<tr>
|
||
<td>GND</td>
|
||
<td>电源地</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
|
||
### 通信协议
|
||
#### 一、通用设置
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
|
||
<tr>
|
||
<td width = 200>波特率</td>
|
||
<td width = 400>9600</td>
|
||
</tr>
|
||
<tr>
|
||
<td>数据位</td>
|
||
<td>8位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>停止位</td>
|
||
<td>1位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>校验位</td>
|
||
<td>无</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
#### 二、数据说明
|
||
|
||
模块上电发送产品信息，然后每 13 秒发送一次浓度数据，数据示例如下：</br>
|
||
AS830_CH4_CON_V1.0_202006093E</br>
|
||
0000000078  11</br>
|
||
0     D0</br>
|
||
……</br>
|
||
7     C9</br>
|
||
12    9D</br>
|
||
20    9E</br>
|
||
……</br>
|
||
0     D0
|
||
|
||
#### 三、数据格式
|
||
浓度（1 个或 2 个字符） tab （0x09）校验码（2 个字符）0x0D 0x0A</br>
|
||
浓度单位为%LEL，量程 0~20%LEL
|
||
#### 四、校验码计算方法
|
||
将从头到 tab(不包含 tab)前的所有字符求取单字节累加和 s. 则校验字为 `checksum= (unsigned char)(-(signed char)s)`</br>
|
||
浓度为 0 时，s=0x30，`checksum = (unsigned char)(-0x30)=0xD0`，转换成 ASCII 格式 D0</br>
|
||
浓度为 7 时，s=0x37，`checksum =(unsigned char)(-0x37)=0xC9`，转换成 ASCII 格式 C9</br>
|
||
浓度为 12 时，s=0x31+0x32=0x63，`checksum=(unsigned char)(-0x63)=0x9D`，转换成 ASCII 格式 9D</br>
|
||
|
||
## WZ-H3-K型选择性甲醛检测模组
|
||
<div class = "wrapper">
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
|
||
<tr>
|
||
<td style="width: 50%;">
|
||
<!--左侧内容-->
|
||
<img src = "./imagesrc/WZ-H3-K.png" alt="WZ-H3-K" width =100% max-width= 100% >
|
||
</td>
|
||
<td style="width: 50%;">
|
||
<!--右侧内容-->
|
||
选择性检测甲醛 </br></br>
|
||
测量精度高 </br></br>
|
||
响应速度快 </br></br>
|
||
使用寿命长</br></br>
|
||
稳定可靠 </br></br>
|
||
低功耗
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 应用领域
|
||
+ 新风系统
|
||
+ 空气净化器
|
||
+ 便携式仪表
|
||
+ 可穿戴设备
|
||
+ 智能家居
|
||
|
||
### 管脚定义
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed; text-align:center" width = 600>
|
||
<tr>
|
||
<td width = 150 >Pin1 </td>
|
||
<td width = 200>VCC</td>
|
||
<td width = 250 rowspan = "2">3.3V-5V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin2</td>
|
||
<td>GND</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin3</td>
|
||
<td>RST</td>
|
||
<td>复位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin4</td>
|
||
<td>SW</td>
|
||
<td>程序接口</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin5</td>
|
||
<td>NC</td>
|
||
<td>悬空</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin6</td>
|
||
<td>TXD</td>
|
||
<td>传感器发送引脚</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin7</td>
|
||
<td>RXD</td>
|
||
<td>传感器接收引脚</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 技术指标
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed; text-align:center" width = 600>
|
||
<tr>
|
||
<td width = 200 >产品型号 </td>
|
||
<td width = 400>WZ-H3-K</td>
|
||
</tr>
|
||
<tr>
|
||
<td>检测气体</td>
|
||
<td>甲醛</td>
|
||
</tr>
|
||
<tr>
|
||
<td>检测量程</td>
|
||
<td>0-2ppm</td>
|
||
</tr>
|
||
<tr>
|
||
<td>最大过载 </td>
|
||
<td>5ppm</td>
|
||
</tr>
|
||
<tr>
|
||
<td>供电电压</td>
|
||
<td>3.3-5V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>响应时间（T90）</td>
|
||
<td> <120S </td>
|
||
</tr>
|
||
<tr>
|
||
<td>分辨率 </td>
|
||
<td>0.01ppm</td>
|
||
</tr>
|
||
<tr>
|
||
<td>检测精度 </td>
|
||
<td>±30ppb 或±10%取大值（25±3℃）（50±5%RH）</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
|
||
### 通信协议
|
||
#### 通用设置
|
||
传感器模块使用串行通讯方式，通讯配置参数如下：
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
|
||
<tr>
|
||
<td width = 200>波特率</td>
|
||
<td width = 400>9600</td>
|
||
</tr>
|
||
<tr>
|
||
<td>数据位</td>
|
||
<td>8位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>停止位</td>
|
||
<td>1位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>校验位</td>
|
||
<td>无</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
#### 通讯命令
|
||
通讯分主动上传和问答式，出厂默认为主动上传，每隔 1 秒发送 1 次浓度值。</br>
|
||
命令行格式如下：</br>
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">气体名称</td>
|
||
<td style = "text-align:center">单位</td>
|
||
<td style = "text-align:center">小数位数无 </td>
|
||
<td style = "text-align:center">气体浓度高位</td>
|
||
<td style = "text-align:center">气体浓度低位</td>
|
||
<td style = "text-align:center">满量程高位</td>
|
||
<td style = "text-align:center">满量程低位</td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">CH2O=0x17</td>
|
||
<td style = "text-align:center">Ppb=0x04</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x25</td>
|
||
<td style = "text-align:center">0x07</td>
|
||
<td style = "text-align:center">0xD0</td>
|
||
<td style = "text-align:center">0x25</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
气体浓度值=气体浓度高位*256+气体浓度低位;</br>
|
||
(浓度高位和浓度低位需从 16 进制换算为 10 进制后再代入本公式计算)</br>
|
||
切换到问答式，命令行格式如下：</br>
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">切换命令</td>
|
||
<td style = "text-align:center">问答 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x01</td>
|
||
<td style = "text-align:center">0x78</td>
|
||
<td style = "text-align:center">0x41</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x46</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
切换到主动上传，命令行格式如下：</br>
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">切换命令</td>
|
||
<td style = "text-align:center">主动上传 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x01</td>
|
||
<td style = "text-align:center">0x78</td>
|
||
<td style = "text-align:center">0x40</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x47</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
读气体浓度值格式如下：</br>
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">保留</td>
|
||
<td style = "text-align:center">命令</td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x01</td>
|
||
<td style = "text-align:center">0x86</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x79</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
传感器返回值格式如下：</br>
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 900>
|
||
<tr>
|
||
<td width = 100 style = "text-align:center">0</td>
|
||
<td width = 100 style = "text-align:center">1</td>
|
||
<td width = 100 style = "text-align:center">2</td>
|
||
<td width = 100 style = "text-align:center">3</td>
|
||
<td width = 100 style = "text-align:center">4</td>
|
||
<td width = 100 style = "text-align:center">5</td>
|
||
<td width = 100 style = "text-align:center">6</td>
|
||
<td width = 100 style = "text-align:center">7</td>
|
||
<td width = 100 style = "text-align:center">8</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">起始位</td>
|
||
<td style = "text-align:center">命令</td>
|
||
<td style = "text-align:center">气体浓度高位（ug/m3）</td>
|
||
<td style = "text-align:center">气体浓度低位（ug/m3） </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">保留 </td>
|
||
<td style = "text-align:center">气体浓度高位（ppb） </td>
|
||
<td style = "text-align:center">气体浓度低位（ppb） </td>
|
||
<td style = "text-align:center">校验值</td>
|
||
</tr>
|
||
<tr>
|
||
<td style = "text-align:center">0xFF</td>
|
||
<td style = "text-align:center">0x86</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x2A</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x00</td>
|
||
<td style = "text-align:center">0x20</td>
|
||
<td style = "text-align:center">0x30</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
气体浓度值=气体浓度高位*256+气体浓度低位</br>
|
||
(浓度度高位和浓度低位需从 16 进制换算为 10 进制后再代入本公式计算)
|
||
|
||
## PS5308/PS5308A 激光颗粒物传感器
|
||
|
||
<div class = "wrapper">
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" >
|
||
<tr>
|
||
<td style="width: 50%;">
|
||
<!--左侧内容-->
|
||
<img src = "./imagesrc/PS5308A.png" alt="PS5308A" width =100% max-width= 100% >
|
||
</td>
|
||
<td style="width: 50%;">
|
||
<!--右侧内容-->
|
||
实时检测输出</br></br>
|
||
数据准确可靠</br></br>
|
||
最小分辨粒径 0.3 微米</br></br>
|
||
特定激光防衰减恒定亮度功能                </br></br>
|
||
具备抗干扰能力</br></br>
|
||
标准 TTL 串口数据输出</br></br>
|
||
小尺寸易安装
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 应用领域
|
||
+ 空气净化器
|
||
+ 新风系统
|
||
+ 空调
|
||
+ 车载空气净化器
|
||
+ 空气质量监测仪
|
||
+ 环境监测
|
||
+ 手持式空气质量检测仪
|
||
### 管脚定义
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed; text-align:center" width = 600>
|
||
<tr>
|
||
<td width = 150 >Pin1 </td>
|
||
<td width = 200>VCC</td>
|
||
<td width = 250 >电源 5V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin2</td>
|
||
<td>GND</td>
|
||
<td width = 250 >电源地</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin3</td>
|
||
<td>WKUP</td>
|
||
<td>高电平或悬空:工作状态；</br>低电平：休眠状态.</br>TTL 电平@3.3V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin4</td>
|
||
<td>RXD</td>
|
||
<td>串口接收，TTL 电平@3.3V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin5</td>
|
||
<td>TXD</td>
|
||
<td>串口发送，TTL 电平@3.3V</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin6</td>
|
||
<td>REST</td>
|
||
<td>传感器复位信号 TTL 电平@3.3V，低电平复位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin7</td>
|
||
<td>NC</td>
|
||
<td>悬空</td>
|
||
</tr>
|
||
<tr>
|
||
<td>Pin8</td>
|
||
<td>NC</td>
|
||
<td>悬空</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
### 技术指标
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed; text-align:center" width = 600>
|
||
<tr>
|
||
<td width = 200 >产品型号 </td>
|
||
<td width = 400>PS5308/PS5308A</td>
|
||
</tr>
|
||
<tr>
|
||
<td>颗粒物测量范围 </td>
|
||
<td>PM2.5（PM10 选配）</td>
|
||
</tr>
|
||
<tr>
|
||
<td>检测量程</td>
|
||
<td>0~1000 ug/ m³</td>
|
||
</tr>
|
||
<tr>
|
||
<td>颗粒物质量浓度一致性</td>
|
||
<td> ≥100 ug/ m³：±10%</br><100 ug/ m³：±10 ug/ m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td>颗粒物质量浓度准确性(参考标准：TSI 8530)</td>
|
||
<td> ≥100 ug/ m³：±10%</br><100 ug/ m³：±10 ug/ m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td>电源电压 </td>
|
||
<td>DC 5±0.5V，纹波<50mV</td>
|
||
</tr>
|
||
|
||
|
||
</table>
|
||
</div>
|
||
|
||
### 通信协议
|
||
#### 一、通用设置
|
||
传感器使用串行通讯方式。
|
||
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed;" width = 600>
|
||
<tr>
|
||
<td width = 200>波特率</td>
|
||
<td width = 400>9600</td>
|
||
</tr>
|
||
<tr>
|
||
<td>数据位</td>
|
||
<td>8位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>停止位</td>
|
||
<td>1位</td>
|
||
</tr>
|
||
<tr>
|
||
<td>校验位</td>
|
||
<td>无</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
|
||
#### 二、数据包格式
|
||
<div>
|
||
<table style="margin-left: auto; margin-right: auto; table-layout: fixed; " width = 900>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">字节序号 </td>
|
||
<td width = 200 style="text-align:center">数据</td>
|
||
<td width = 500 style="text-align:center">定义</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">0 </td>
|
||
<td width = 200 style="text-align:center">0x44</td>
|
||
<td width = 500 >起始符 1</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">1 </td>
|
||
<td width = 200 style="text-align:center">0x4D </td>
|
||
<td width = 500 >起始符 2</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">2 </td>
|
||
<td width = 200 style="text-align:center">0x00</td>
|
||
<td width = 500 rowspan = "2">数据帧长度（字节 4 数据至校验位） </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">3 </td>
|
||
<td width = 200 style="text-align:center">0x1C</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">4 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">PM1.0 浓度值（进风口带 60～80 目滤网时），单位：ug/m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">5 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">6 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">PM2.5 浓度值（进风口带 60～80 目滤网时），单位：ug/m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">7 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">8 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">PM10 浓度值（进风口带 60～80 目滤网时），单位：ug/m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">9 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">10 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">PM1.0 浓度值（进出风口无障碍物时），单位：ug/m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">11 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">12 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">PM2.5 浓度值（进出风口无障碍物时），单位：ug/m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">13 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">14 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">PM10 浓度值（进出风口无障碍物时），单位：ug/m³ </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">15 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">16 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">0.1 升空气中直径在 0.3um 以上颗粒物个数 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">17 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">18 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">P0.1 升空气中直径在 0.5um 以上颗粒物个数 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">19 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">20 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">0.1 升空气中直径在 1.0um 以上颗粒物个数 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">21 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">22 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">0.1 升空气中直径在 2.5um 以上颗粒物个数 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">23 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">24 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">0.1 升空气中直径在 5.0um 以上颗粒物个数 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">25 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">26 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">0.1 升空气中直径在 10um 以上颗粒物个数 </td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">27 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">28 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 ></td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">29 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 ></td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">30 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
<td width = 500 rowspan = "2">校验和=字节 0 数据+字节 1 数据+„„+字节 29 数据</td>
|
||
</tr>
|
||
<tr>
|
||
<td width = 200 style="text-align:center">31 </td>
|
||
<td width = 200 style="text-align:center">XX</td>
|
||
</tr>
|
||
|
||
</table>
|
||
</div>
|
||
|
||
数据说明：
|
||
1. 主要输出为空气中 PM2.5 颗粒物质量浓度，单位：ug/ m³。
|
||
2. 传感器输出为主动输出。传感器上电后，主动向主机发送串行数据，时间间隔为 1 秒。
|
||
3. 定义为“空白”的字节为厂家备用字节。
|
||
4. “进出风口无障碍物”意指：传感器进出风量未受到影响。 |