基于无线数据传输的便携式热电偶测温系统的研究

Study on Portable Thermocouple Temperature Testing System Based on Wireless Data Transmission

为了解决室外或野外难于准确测量物体燃烧或者爆炸时产生的温度,设计了应用于室外或野外测温的便携式无线温度存储测试传感器系统。本系统基于PIC16F877A微控制器,CPLD复杂可编程逻辑器件以及nRF24L01无线传输芯片的传感器系统,采用钨铼热电偶作为温度测量端,DS600高精度模拟温度传感器对冷端进行温度补偿。系统具有电路简单可靠,测量精度高,能实时监测系统状态,体积小,便于携带布设的特点。

In order to solve the outdoor or field measurement accurately buming or explosion of temperature, designed the applied outdoor or field measuring temperature portable radio temperature storage test sensor system. The system based on PIC16F877A micro controller, CPLD complex le logic devices and nRF24L01 wireless transmission chip sensor. The system adopts the Tungsten-Rhenium Thermoeouple as the temperature sensor, DS600 temperature sensor for cold temperature compensation. The system has the simple circuit, reliable, high accuracy, can real-time monitoring system, small volume, convenient to carry forward.