正压型中压开关柜压力自动控制系统设计  

Design of Pressure Automatic Control System for Positive Pressure Switch Cabinet

作　　者：孙瑞 田天[1] 王宇鹍 SUN Rui;TIAN Tian;WANG Yu-kun(Automated System Project Limited Company of Shenyang Blower Works Group Corporation,Liaoning Shenyang 110006,China;China Coal technology&Engineering Group Corp Shen yang Research Institute,Liaoning Fushun 113122,China)

机构地区：[1]沈阳鼓风机集团自动控制系统工程有限公司,辽宁沈阳110869 [2]煤科集团沈阳研究院有限公司,辽宁抚顺113122

出　　处：《新一代信息技术》2019年第15期5-9,共5页New Generation of Information Technology

基　　金：辽宁省科学技术计划项目(项目编号:20180550951)。

摘　　要：为了保证正压型开关柜内部压力稳定,提高开关柜的靠性和安全性,提出了一种正压型中压开关柜压力自动控制技术。在分析正压型开关柜组成结构、设计依据、主要分类和使用环境基础上,利用HM29压力传感器和RS485实现压力数据的采集和传输,基于单片机技术设计正压型中压开关柜压力自动控制系统硬件电路和软件流程,并详细设计传感器通讯接口电路和声光报警电路。In order to guarantee the stability of pressure inside the positive pressure switch cabinet and improve the reliability and safety of the switch cabinet,an automatic control technology of pressure in the positive pressure switch cabinet was proposed.Based on the analysis of positive pressure type switchgear structure,design basis,main classification and use of the environment,on the basis of using HM29 pressure sensors and RS485 to realize data collection and transmission,based on single chip microcomputer technology design of positive pressure type medium voltage switchgear pressure automatic control system hardware circuit and software flow,and the detailed design and sound and light alarm circuit sensor communication interface circuit.

关 键 词：正压型 开关柜 压力 自动控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]