The invention discloses an elevator maintenance safety protection self-monitoring system, relates to the technical field of elevator maintenance, and solves the technical problem that in the prior art, in the elevator maintenance process, a safety loop is switched on through a short-circuit wire, but the short-circuit wire is easily forgotten to be pulled out after maintenance is finished, and elevator safety accidents are caused. The system comprises an elevator mainboard, and a maintenance switch SRT, a common switch SBTR, an uplink switch SBTU and a downlink switch SBTD which are connected with the elevator mainboard, after the elevator is overhauled, when a common switch SBTR and an uplink switch SBTU or a downlink switch SBTD are jointly controlled, whether a safety circuit is disconnected or not is detected through an elevator mainboard; if yes, normal operation is carried out; if not, short-circuit wire early warning is carried out; under the condition that other parts are not added, the functions are correspondingly improved by modifying a software program, whether the situation that a safety circuit is short-circuited on site is detected reliably, and the safety and reliability of elevator operation are improved.
本发明公开了一种电梯检修安全保护自监测系统,涉及电梯检修技术领域,解决了现有技术在电梯检修过程中,通过短接线来接通安全回路,但在维保结束之后容易忘记拔出短接线,导致电梯安全事故的技术问题;本发明包括电梯主板,以及与之相连接的检修开关SRT、共通开关SBTR、上行开关SBTU和下行开关SBTD;在电梯检修结束之后,联合控制共通开关SBTR与上行开关SBTU或下行开关SBTD时,通过电梯主板检测安全回路之前是否断开;是,则正常运行;否,则进行短接线预警;本发明不增加其他部件的情况下,通过修改软件程序进行功能的相应改进,可靠检测现场是否有故意短接安全回路的情况发生,提高电梯运行的安全性及可靠性。
Elevator overhaul safety protection self-monitoring system
一种电梯检修安全保护自监测系统
15.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |
Household elevator overhaul system and household elevator
Europäisches Patentamt | 2020
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