The invention provides an overload-preventing escalator alarm device which comprises a gravity sensor, a controller and an alarm unit. The gravity sensor is connected with the controller. The controller is connected with a motor and the alarm unit. The overload-preventing escalator alarm device can control the number of passengers taking an escalator in real time, and the phenomenon that the escalator suddenly stops due to overload and injures passengers is avoided.
Overload-preventing escalator alarm device
2015-06-17
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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