Elevator safety circuit detection circuit and equipment
The utility model discloses an elevator safety circuit detection circuit and equipment, the elevator safety circuit detection circuit comprises a detection module and an outbound module which are arranged corresponding to cables at the rear ends of safety switches in an elevator safety circuit, and...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an elevator safety circuit detection circuit and equipment, the elevator safety circuit detection circuit comprises a detection module and an outbound module which are arranged corresponding to cables at the rear ends of safety switches in an elevator safety circuit, and the distance between the first end of the detection module and the corresponding cables at the rear ends of the safety switches is smaller than a preset distance. The second end of the detection module is connected with the input end of the corresponding outbound module; the detection module is used for performing electric field detection on cables at the rear ends of the safety switches and outputting detection signals to the corresponding outbound modules; and the outbound module performs signal conversion according to the detection signal and determines the state of the corresponding safety switch according to the converted signal. The electric field of the cable at the rear end of the safety switch is detected |
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