Adjustable time-delay controller

Abstract

The invention relates to an adjustable time-delay controller for an elevator, and belongs to the field of elevator control. The adjustable time-delay controller comprises a time-delay control circuit and an additional braking circuit. The adjustable time-delay controller is characterized in that a circuit of the time-delay control circuit comprises diodes D1, D2, D3 and D4, an adjustable time-delay switch YSJ, and a control coil KM, an input terminal of the diode D1 is connected with an input terminal of the diode D3 and is then connected with the control coil KM, an output terminal of the diode D1 is connected with an input terminal of the diode D2 and is then connected with an external power supply, an output terminal of the diode D2 is connected with an input terminal of the adjustable time-delay switch YSJ, and the additional braking circuit is mutually connected with the time-delay control circuit through electromagnetic induction. The beneficial effects of the adjustable time-delay controller are that the installation is convenient, the maintenance is facilitated, the stability is good, the motion time of a brake can be freely controlled, the operation comfort degree of an escalator is conveniently debugged, and the whole performances of the escalator and a pavement are enhanced.

Description

[0001] Technical field: [0002] The invention relates to an adjustable delay controller for elevators, which belongs to the field of elevator control. [0003] Background technique: [0004] Since the additional brakes on escalators and sidewalks were power-off brakes, the brakes were always in the working state of energization and engagement when the ladder was running. The previous design of the brake maintained the working state of DC110V for a long time, which easily caused the coil to heat up. , affecting the service life of the product, the damage rate is high, and the later maintenance cost is high, and the replacement is inconvenient. Now this product is easy to install and the cost is low. [0005] Invention content: [0006] In view of the above problems, the present invention relates to an adjustable delay controller, which includes a delay control loop and an additional braking loop, and is characterized in that: the circuit of the delay control loop includes diod...

AI Technical Summary

Problems solved by technology

[0004] Since the additional brakes on escalators and sidewalks were power-off brakes, the brakes were always in the working state of energization and engagement when the ladder was running. The previous design of the brake maintained the working state of DC110V for a long time, which easily caused the coil to heat up. , affecting the service life of the product, the damage rate is high, and the maintenance cost is high in the later period, and the replacement is inconvenient. Now this product is easy to install and the cost is low

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