温度测量模块的设计与实现  

Design and Implementation of Temperature Acquisition Module

作　　者：侯金华 琚长江 

机构地区：[1]上海电器科学研究院,上海200063

出　　处：《低压电器》2010年第13期48-51,共4页Low Voltage Apparatus

基　　金：上海市科委火炬计划项目(09HJC006100);上海市科委项目(09111100100;09dz1206200);上海市引进技术的吸收与创新年度计划项目(消-53-主题-16)

摘　　要：介绍了一种温度测量模块的设计方法。该设计基于24bit高精度ADC芯片ADS1248,采用数字温度传感芯片做冷端补偿,采取有效的抗干扰措施,实现了一种低成本高精度八路热电偶温度测量模块。The design of temperature acquisition module was introduced.Based on 24 bit high-precision ADC chip ADS1248,the design used digital temperature sensor chip to do cold end compensation,and took effective interference rejection measures to achieve a low-cost high-precision 8-channel thermocouple temperature acquisition module.

关 键 词：热电偶 温度测量模块 干扰抑制 冷端补偿 

分 类 号：TH811[机械工程—仪器科学与技术]