The invention discloses a ToF elevator light curtain device, an elevator using the device and an operation method of the device. The device comprises a first light source module used for projecting linear light parallel to a car door to a detected space; the second light source module is used for projecting area array light to the measured space; the ToF light intensity sensor is used for receiving return light of the linear light and generating a first induction signal, and receiving return light of the area array light and generating a second induction signal; and the controller is used for controlling the first light source module and the second light source module to project linear light and area array light to the detected space at different moments when the car door is opened, and generating a car door opening and closing control signal based on the first sensing signal and the second sensing signal. Therefore, the first light source module for projecting linear light is introduced to be combined with the second light source module for projecting area array light, so that the light curtain detection accuracy can be improved, the failure rate is reduced, and the efficiency is improved.
公开了一种ToF电梯光幕装置、使用该装置的电梯以及装置的操作方法。所述装置包括:第一光源模块,用于向被测空间投射与轿厢门平行的线形光;第二光源模块,用于向被测空间投射面阵光;ToF光强传感器,用于接收线形光的返回光并生成第一感应信号,以及接收面阵光的返回光并生成第二感应信号;控制器,用于在轿厢门打开时控制第一和第二光源模块在不同的时刻向被测空间投射线形光和面阵光,并且基于第一和第二感应信号,生成轿厢门开闭控制信号。由此,本公开通过引入投射线形光的第一光源模块结合投射面阵光的第二光源模块,能够提升光幕检测准确度、降低故障率并提高功效。
ToF elevator light curtain device, elevator and operation method
ToF电梯光幕装置、电梯和操作方法
2022-03-29
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
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