双重冗余电梯控制系统故障-安全设计与研究
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摘要
电梯安全问题涉及到人民群众的生命财产安全,被社会广泛关注,也是电梯技术人员重点关注的问题,电梯安全受到机器运行环境及本身质量,以及人为因素两方面的影响。通过分析引起电梯安全事故的主要原因,将中国高铁列车运行控制系统广泛采用的故障-安全设计思路引入电梯运行安全控制系统设计,提出基于西门子S7-300的双PLC 5层电梯的故障-安全双重冗余控制系统总体设计方案,给出了系统组成框图和程序流程图,并提出双机并联可靠性的设计以及提高电梯安全运行的管理主要方法,为电梯运行安全控制系统设计提供了参考。
Elevator issues involved in people's life and property safety,was paid wide attention by the society,and was also the problems of elevator technicians focused on,elevator safety affected by the machine running environment and quality of itself,and the influence of human factor.By analyzing the main cause of elevator safety accident,put forward China's high-speed rail train operation control system failure and safety that was widely used in security design,which leaded to designed of safe operation of the elevator control system,proposed overall design based on double PLC of SIEMENS S7-300 5 elevator failure and safety double redundancy control system,the system composition block diagram and program flow chart were given.And put forward the design of the reliability of the parallel connection of the two machines and the main management methods to improve the safe operation of the elevator,it provided a reference for the design of the safe operation control system of the elevator and made efforts to improve the safe operation performance of the elevator.
Elevator issues involved in people's life and property safety,was paid wide attention by the society,and was also the problems of elevator technicians focused on,elevator safety affected by the machine running environment and quality of itself,and the influence of human factor.By analyzing the main cause of elevator safety accident,put forward China's high-speed rail train operation control system failure and safety that was widely used in security design,which leaded to designed of safe operation of the elevator control system,proposed overall design based on double PLC of SIEMENS S7-300 5 elevator failure and safety double redundancy control system,the system composition block diagram and program flow chart were given.And put forward the design of the reliability of the parallel connection of the two machines and the main management methods to improve the safe operation of the elevator,it provided a reference for the design of the safe operation control system of the elevator and made efforts to improve the safe operation performance of the elevator.
引文
[1]张鸿松.电梯检验中控制系统常见问题探讨[J].山东工业技术,2019(5):38.
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[2]肖德钟.电梯的安全隐患原因及监督检验对策[J].中国新技术新产品,2018(24):135.
[3]谢文奎,龚萍.分析电梯的安全回路及其改进设想[J].中国设备工程,2018(24):71-72.
[4]庞大智.PLC在电梯控制中的运用[J].中国新技术新产品,2012(4):155.
[5]李涛.基于PLC的电梯控制系统的设计与实现[J].仪器仪表用户,2010(3):74-75.
[6]杨绍南.电梯限速器安全钳系统现场检测与维护保养[J].中国电梯,2001(10):54-56.
[7]陈奇.浅谈电梯电气检验技术[J].中国科技博览,2014(8):53.
[8]刘强.电梯应急装置的优化设计[J].中国电梯,2001(2):20-21.
[9]武里军,刘英杰,谢超,等.基于网络监测平台的电梯故障统计分析[J].中国电梯,2012(16):23-26.
[10]李元康.电梯主要的安全保护系统浅析[J].中国测试技术,2006(1):142-144.