基于MAX134芯片的虚拟数字式万用表设计  

Design of Virtual Digital Multimeter Based on MAX134 Chip

作　　者：李永华[1] 牛斌[1] 范铁生[1] 

机构地区：[1]辽宁大学信息学院,辽宁沈阳110036

出　　处：《自动化技术与应用》2011年第4期65-68,共4页Techniques of Automation and Applications

摘　　要：本文使用虚拟仪器技术,提出虚拟数字万用表的总体结构,制定了虚拟数字万用表的硬件和软件设计方案。详细研究以MAX134芯片为基础的电流、电压和电阻测量电路,并完成了系统软件的设计。最后通过测试验证其精确度是满足设计要求的,同时,设计的虚拟万用表更加的智能化。This article uses the virtual instrument technology,presents the overall structure of the virtual digital multimeter,and works out the design scheme of its hardware and software.It researches the current,voltage and resistance measurement circuit based on the MAXB4 chip in detail,and completes the software design.Finally,it verifies that the accuracy can meet the designed requirements through testing and is more intelligent.

关 键 词：虚拟仪器 数字式万用表 MAX135 测量电路 

分 类 号：TM932[电气工程—电力电子与电力传动]