IOT Gateway MQTT 连接器配置

最新推荐文章于 2025-10-04 02:08:23 发布

原创

最新推荐文章于 2025-10-04 02:08:23 发布 · 4.2k 阅读

3 ·

CC 4.0 BY-SA版权

文章标签：

#iot #物联网 #mqtt #设备 #遥测

本文详细介绍MQTT连接器配置方法，包括连接器配置文件结构、broker模块设置、安全认证方式选择、主题订阅规则及数据处理流程等内容。

本文将帮助你熟悉有关iot网关中MQTT连接器的配置。在通用配置中启用该种连接器。这个连接器能够连接到外部的MQTT Broker并订阅，从而获取从设备中上报的数据，同时，连接器也可以推送来自ThingsBoard数据到MQTT Broker。

连接器配置：mqtt.json

连接器配置是一个json文件，它包含了MQTT Broker的连接信息、订阅哪些主题、如何处理数据等。

mqtt.json样例

{
  "broker": {
    "name":"Default Local Broker",
    "host":"192.168.1.100",
    "port":1883,
    "security": {
      "type": "basic",
      "username": "user",
      "password": "password"
    }
  },
  "mapping": [
    {
      "topicFilter": "/sensor/data",
      "converter": {
        "type": "json",
        "deviceNameJsonExpression": "${serialNumber}",
        "deviceTypeJsonExpression": "${sensorType}",
        "timeout": 60000,
        "attributes": [
          {
            "type": "string",
            "key": "model",
            "value": "${sensorModel}"
          }
        ],
        "timeseries": [
          {
            "type": "double",
            "key": "temperature",
            "value": "${temp}"
          },
          {
            "type": "double",
            "key": "humidity",
            "value": "${hum}"
          }
        ]
      }
    },
    {
      "topicFilter": "/sensor/+/data",
      "converter": {
        "type": "json",
        "deviceNameTopicExpression": "(?<=sensor\/)(.*?)(?=\/data)",
        "deviceTypeTopicExpression": "Thermometer",
        "timeout": 60000,
        "attributes": [
          {
            "type": "string",
            "key": "model",
            "value": "${sensorModel}"
          }
        ],
        "timeseries": [
          {
            "type": "double",
            "key": "temperature",
            "value": "${temp}"
          },
          {
            "type": "double",
            "key": "humidity",
            "value": "${hum}"
          }
        ]
      }
    },
    {
      "topicFilter": "/custom/sensors/+",
      "converter": {
        "type": "custom",
        "extension": "CustomMqttUplinkConverter",
        "extension-config": {
            "temperatureBytes" : 2,
            "humidityBytes" :  2,
            "batteryLevelBytes" : 1
        }
      }
    }
  ],
  "connectRequests": [
    {
      "topicFilter": "sensor/connect",
      "deviceNameJsonExpression": "${SerialNumber}"
    },
    {
      "topicFilter": "sensor/+/connect",
      "deviceNameTopicExpression": "(?<=senso

最低0.47元/天解锁文章