摘要：温度是表征电力一次设备运行正常的一个重要参数。随着用电量的急剧增长，为了满足用电需求，变电站的开关柜等高低压设备长期运行在线状态，过负荷运行会导致一次设备的发热及过热，这一现象在负荷增长较快的地区显得尤为普遍。这些情况如不及时得到监控，及时处理，都将发生不可预测的大事故。通过对开关柜温度的实时监测，即可知道开关柜运行工况，通过电网信息资源整合，就可为状态检修提供强有力的依据因此，进行安全温度监测及智能化控制是非常有必要的。
关键字：无线测温传感器，无线测温系统，433Mhz无线测温
1. 项目概述 Project Overview
某新加坡客户为中低压电气柜成套公司，对无线测温产品非常感兴趣，选择我司ATE400型CT感应取电式传感器，并且采用ATC450收发器来连接显示屏，后期计划通过4G网关上传云平台系统。有效监控过热故障，避免安全隐患。
2.无线测温产品介绍Introduction of Wireless Temperature Measurement Product
安科瑞在线测温装置适用于高低压开关内线缆街头，断路器触头，高压线缆中间头，低压大电流等设备的温度检测，防止在运行过程中因氧化，松动等因素造成接点接触电阻过大而发热成为安全隐患，及时，持续及准确反映设备运行状态，提供设备安全性。
3.无线测温系统特点 Features of Wireless Temperature Monitoring System
（1）无线测温模块安全可靠、安装维护简单，适合对中开关高电压、大电流接点处进行温度监测，被测设备的结构不需要变动。
（2）整个无线测温系统可以通过无线方式通讯，信号传输方便。
（3）无线测温系统抗干扰能力强，对脉冲干扰、快速瞬变干扰、静电辐射、电磁场辐射等的抗干扰能力达到国家四级标准，同时设备运行不影响中压开关的分、合闸操作以及保护装置的动作。
（4）应用在工业（煤矿、钢铁、石油、化工）、电厂、学校、医院、**建设、交通设施（机场、火车站）、商业建筑、会展中心、光伏发电、新能源等领域。
(1) The wireless temperature measurement module is safe and reliable, and easy to install and maintain. It is suitable for temperature monitoring at the high voltage and high current contacts of the middle switch. The structure of the device under test does not need to be changed.
(2) The entire wireless temperature measurement system can communicate wirelessly, and the ** transmission is convenient.
(3) The wireless temperature measurement system has strong anti-interference ability, and its anti-interference ability against pulse interference, fast transient interference, electrostatic radiation, electromagnetic field radiation, etc. has reached the national four-level standard, and the operation of the equipment does not affect the opening and closing of the medium voltage switch Operation and protection device actions.
(4) Application in industry (coal, steel, petroleum, chemical), power plants, schools, hospitals, municipal construction, transportation facilities (airports, railway stations), commercial buildings, convention and exhibition centers, photovoltaic power generation, new energy and other fields.
4.无线测温解决方案 Wireless Temperature Monitoring Solution
4.1 测温传感器 Wireless temperature sensor
4.1.1 CT感应取电无线测温传感器 Wireless temperature sensor by CT sensing
ATE400
·Small size;
·Wireless transmit;
·Wireless transmission distance, 150 meters;
·Fase sampling frequency,15s;
·CT-powered, more than 5A starting current;
·Widely temperature measuring range, -40℃~125℃.
4.1.2电池供电型无线测温传感器 Wireless temperature sensor powered by battery
1) ATE200
·Wireless transmit;
·Wireless transmission distance, 150m;
·Fase sampling frequency, 25s;
·Battery -powered, more than 5 years;
·Widely temperature measuring range, -40℃~125℃.
ATE100
·Wireless transmit;
·Wireless transmission distance, 150m;
·Fase sampling frequency, 25s;
·Battery -powered, more than 5 years;
·Widely temperature measuring range, -40℃~125℃.
ATE100M
·Wireless transmit;
·Wireless transmission distance, 150m;
·Fase sampling frequency, 25s;
·Battery -powered, more than 5 years;
·Widely temperature measuring range, -40℃~125℃.
4.2 采集/显示终端 Receiver/Display Unit
4.2.1 接收单元 Receiver
1)ATC600-C
·Wireless transceiver;
·Maximum measuring 240 points;
·1 RS485 serial communication, Modbus-RTU;
·2 alarm relays;
·Power supply adapt with AC/DC220V, AC/DC110V.
2)ATC450-C
·Wireless transceiver;
·Maximum measuring 60 points;
·1 RS485 serial communication, Modbus-RTU;
·Power supply adapt with DC24V
4.2.2 显示单元 Display Unit
1) ARTM-Pn
·Wireless temperature measurement, maximum measuring 60 points;
·U, I, P, Q, f, Ep, Eq measurement；
·4 digital inputs;
·2 alarm relays;
·LCD display;
·Power supply adapt with AC220V, DC220V, DC110V, AC110V;
·1 RS485 serial communication, Modbus-RTU.
5.结构图 Typical Connection
6.应用场景 Application
江苏安科瑞电器制造有限公司专注于穿孔式电流变送器,电瓶车安全充电站,开关柜综合测控装置,水电气能耗监控分析系统,水电气智能远传集抄监控系统,智能电弧光保护装置等