Remote control method and system of escape gate

Abstract

The invention discloses a remote control method and system of an escape gate, aiming at solving the problem that escape gate control is not safe as a distance between the traditional control room and the escape gate is further. In the system disclosed by the invention, when an alternating current phase change circuit provides a forward current, a direct current phase change circuit provides the forward current for a direct current generator, drives an alternating current contactor to be closed and provides the forward current for a valve control motor; and when the alternating current phase change circuit provides an opposite phase current, the direct current phase change circuit provides an opposite phase current for a direct current generator, drives the alternating current contactor to be closed and provides the opposite phase current for the valve control motor. The direct current phase change circuit, the direct current generator and the alternating current contactor are arranged in an open and close machine room of a reservoir, the direct current phase change circuit, the direct current generator and the alternating current contactor are connected with an alternating current power supply circuit, and no control circuit exists in a control room and the open and close machine room of the reservoir, thus influences to safety of remote control when the control circuit is in fault can be reduced.

Description

technical field [0001] The invention relates to the technical field of gate control, in particular to a remote control method and system for a water discharge gate. Background technique [0002] The water discharge gate of the reservoir is generally controlled in the control room, but the distance between the water discharge gate of the reservoir and the control room is often hundreds or even thousands of meters. When controlling the opening and closing of the water discharge gate of the reservoir through the control room, three power lines and four control lines need to be erected between the water discharge gate of the reservoir and the control room. [0003] figure 1 It is a schematic diagram of the existing circuit structure for controlling the water discharge gate of the reservoir. The opening and closing of the water discharge gate is realized by the forward and reverse rotation of the three-phase AC motor 1, wherein, when the current of the motor 1 is a forward curre...

AI Technical Summary

Problems solved by technology

[0006] In view of this, the embodiment of the present invention provides a remote control method and system for the water discharge gate to solve the problem of unsafe control of the discharge gate when the distance between the existing control room and the discharge gate is relatively long

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