AD5241在CH_(4)红外测试系统中的应用  

Application of AD5241 in CH_(4) Infrared Testing System

作　　者：常小明[1] 张新军[1] CHANG Xiaoming;ZHANG Xinjun(Department of Electrical Engineering,Jiyuan Vocational and Technical College,Jiyuan 459000,Henan)

机构地区：[1]济源职业技术学院电气工程系,河南济源459000

出　　处：《济源职业技术学院学报》2021年第4期66-70,共5页Journal of Jiyuan Vocational and Technical College

基　　金：济源市科技攻关计划项目(19022020)。

摘　　要：本文首先结合CH_(4)气体红外测试系统的结构原理,说明了前端红外探测器性能好坏对于系统的重要影响。在此基础上分析了PbSe红外探测器的特点以及在测试系统中表现出的优异特性和存在的问题,进而提出了利用数字电位器AD5241来解决问题的方案。详细叙述了数字电位器AD5241的功能特点、使用方法以及在测试系统中与MCU的配合流程。最后通过具体的实验数据证明了该方案的有效性和可行性。Combined with the structural principle of the CH_(4)gas infrared test system,this paper illustrates the important impact of the front-end infrared detector’s performance on the system.On this basis,the characteristics of the PbSe infrared detector,the outstanding characteristics and problems in the test system are analyzed,and then a solution to overcome the problems with the digital potentiometer AD5241 is proposed.This paper describes in detail the functions and characteristics of digital potentiometer AD5241,and the process of its cooperation with MCU in the test system.Finally,the effectiveness and feasibility of the scheme are proved by specific experimental data.

关 键 词：PBSE 探测器 数字电位器 测试系统 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]