电气设备关键点温度监测预警系统
在电气设备容易发热的关键部位布置温度传感器,实时监测各点温度及其温升变化;按照同一相位不同监测点、同一监测点不同相位的判定原则...
系统功能
在电气设备容易发热的关键部位布置温度传感器,实时监测各点温度及其温升变化;按照同一相位不同监测点、同一监测点不同相位的判定原则,分级评估各个监测点的温度及其温升的变化情况,及时发现电热性事故隐患,防范隐性故障显性化甚至演变为事故。
本系统由无线无源温度传感器、数据采集器和后台管理系统组成(也可采用手机APP),可视化展示各监测点及被监测设备的监测信息、评估信息及预警信息。
应用场景
▶ 通流电气设备的设备线夹;
▶ 变压器各侧接线柱头;
▶ 配电室母排及穿墙套管;
▶ 开关柜断路器触头、刀闸动触头;
▶ 馈线及其分支连接点;
▶ 电缆接头及中间接头。
温度传感器
技术性能和系统指标:
温度测量范围:-40~+125℃
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测量精度:±0.5℃
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温度采样频率: 1~10s
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无线频率: 433、 470MHz
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无线传输距离: ≤300 米(空旷距离)
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工作电源: 感应取电
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安装方式:捆绑式(非侵入式安装)
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工作电流: ≥5A
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感温体尺寸: 26mm*22.5mm*10mm
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数据采集器
技术性能和系统指标:
无线频率:2.4GHz/433MHz
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无线传感数量:≤240 只
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有线通信:RS485、以太网、光纤
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接入数量:≤128 台
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通讯规约:Modbus
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