机电工程技术
機電工程技術
궤전공정기술
MACHANICAL & ELECTRICAL ENGINEERING TECHNOLOGY
2015年
3期
71-74
,共4页
PT100%惠斯通电桥%三线制接法%最小二乘法
PT100%惠斯通電橋%三線製接法%最小二乘法
PT100%혜사통전교%삼선제접법%최소이승법
PT100%wheatstone bridge%three wire connection method%the least-square method
PT100传感器是工业现场中常用的测温传感器，介绍了一种基于PT100的测温装置，采用电桥及三线制接法，以STC80C52RC单片机为控制核心，12位串行芯片MAX1270为AD转换芯片。经过实测系统工作稳定可靠，测量精度在±0.1℃以内。
PT100傳感器是工業現場中常用的測溫傳感器，介紹瞭一種基于PT100的測溫裝置，採用電橋及三線製接法，以STC80C52RC單片機為控製覈心，12位串行芯片MAX1270為AD轉換芯片。經過實測繫統工作穩定可靠，測量精度在±0.1℃以內。
PT100전감기시공업현장중상용적측온전감기，개소료일충기우PT100적측온장치，채용전교급삼선제접법，이STC80C52RC단편궤위공제핵심，12위천행심편MAX1270위AD전환심편。경과실측계통공작은정가고，측량정도재±0.1℃이내。
The PT100 temperature sensor is widely used in the industrial field, this article introduce a temperature collection system based on PT100,using Wheatstone bridge circuit and Three wire connection method, STC80C52RC MCU is used as control core, the 12 bit serial chip MAX1270 is used as the AD conversion chip. The system can work steadily and reliably by testing and ± 0.1℃control precision is ensured.
