基于USB主机技术的多功能瓦斯检测仪设计分析

A multifunction gas detector design based on USB host technology

提出了一种具有USB主机接口的瓦斯检测仪结构,给出了该多功能瓦斯检测仪的硬件电路与软件设计方法;详细论述了该检测仪的组成结构、检测原理、硬件电路的设计思路及实现过程和软件实现测试参数调整的方法,并对系统的电磁兼容性进行分析设计。

A gas detector structure with USB host interface is presented together with a method for designing the hardware circuitry and software,and a detailed description of the structure of the detector,the principle of detection,considerations in designing the hardware circuitry and the process of practice and the method of adjusting the test parameters of the software is also presented,with an analysis of the electromagnetic compatibility of system.Operation of the system proves to be reliable and stable,with easy adjustment of the test parameters of the system through the interface.This advanced design gives the system better universality and practical value for use.