The embodiment of the invention provides an elevator light curtain signal receiving device and an elevator light curtain system. The elevator light curtain signal receiving device comprises a light curtain receiving mother board and one or more light curtain receiving daughter boards, wherein each light curtain receiving daughter board comprises a signal receiving module, a first interface, a second interface and a shift register; the light curtain receiving mother board and the light curtain receiving daughter boards are connected in sequence so as to transmit a shift signal generated by the light curtain receiving mother board to one connected light curtain receiving daughter board. According to the scheme, the effect of controlling any number of signal receiving modules to work at the same time is achieved, and in addition, compared with a level detection mode, higher sensitivity is achieved.
本发明实施例提出了一种电梯光幕信号接收装置及电梯光幕系统,包括:光幕接收母板、及一个或多个光幕接收子板;其中,各所述光幕接收子板中包括:信号接收模块、第一接口、第二接口以及移位寄存器;所述光幕接收母板以及各所述光幕接收子板依次顺序连接,以将所述光幕接收母板产生的移位信号传递至相连的一所述光幕接收子板。本方案中实现了控制任意数量的信号接收模块同时工作的效果,此外相较于电平检测的方式有更高的灵敏度。
Elevator light curtain signal receiving device and elevator light curtain system
一种电梯光幕信号接收装置及电梯光幕系统
2022-11-25
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
Elevator light curtain signal transmitting device and elevator light curtain system
European Patent Office | 2022
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