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Control method and control apparatus for magnetic force operating mechanism

A technology of an operating mechanism and a control method, which is applied to high-voltage air circuit breakers, electrical components, electrical switches, etc., can solve the problems of low buffering efficiency, low reliability, and poor controllability of spring buffering characteristics, so as to reduce bounce and rebound. , the effect of reducing mechanical impact and reducing movement speed

Active Publication Date: 2017-07-07
PINGGAO GRP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method not only has the problems of low buffering efficiency and low reliability brought by mechanical buffering, but also has the problem of poor controllability of spring buffering characteristics, which is not conducive to realizing intelligent operation.

Method used

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  • Control method and control apparatus for magnetic force operating mechanism
  • Control method and control apparatus for magnetic force operating mechanism

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Embodiment Construction

[0023] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] Such as figure 1 and figure 2 As shown, the magnetic operating mechanism includes a mechanism frame, and the mechanism frame includes a plurality of columns arranged at intervals extending in the up and down direction, an upper cover plate 1 and a lower bottom plate 5 fixed at both ends of the columns, and a mechanism fixed on the outside of the columns. Frame 2, a coil assembly is equipped with a reciprocating movement along the up and down direction on the mechanism frame. The plate 4 and the baffles at both ends form a ring groove, and the electromagnetic coils are correspondingly wound in the ring groove to be fixed on the coil frame 3, and all or part of the coil frame is made of ferromagnetic material, which can play a corresponding role as an iron core.

[0025] Each column of the above-mentioned mechanism frame can be divided into a mid...

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Abstract

The invention relates to a control method and a control apparatus for a magnetic force operating mechanism. Electromagnetic coils arranged in parallel magnetic field gaps are electrified, so that the electromagnetic coils can move in the parallel magnetic field gaps due to force in a reciprocating manner so as to drive a corresponding movable contact to perform switch-on and switch-off actions; in a switch-on process, a switch-on buffer current which is opposite to the direction of a switch-on current is transmitted to the electromagnetic coils according to set time; and in a switch-off process, a switch-off buffer current which is opposite to the direction of a switch-off current is transmitted to the electromagnetic coils according to set time. The switch-on buffer current and the switch-off buffer current can suffer from opposite force in the up stroke of the electromagnetic coils to perform stroke electromagnetic buffering, so that the movement speed of the electromagnetic coils is effectively lowered, mechanical impact to other parts can be lowered, and switch-off and switch-on jumping and rebound can be weakened.

Description

technical field [0001] The invention relates to a control method and a control device of a magnetic force operating mechanism. Background technique [0002] As the most important switching equipment in the power grid, the high-voltage circuit breaker completes the breaking action in time and cuts off the fault when a short-circuit fault occurs in the power grid, so as to ensure the safe and reliable operation of the power grid. As the core action part of the high-voltage circuit breaker, the operating mechanism needs to meet the requirements of reliability and quick action. Traditional operating mechanisms include spring operating mechanisms, permanent magnet operating mechanisms, and the like. The mechanical structure of the spring operating mechanism is complex, the failure rate is high, the reliability is poor, and the movement is uncontrollable; the permanent magnet operating mechanism is driven by the solenoid electromagnetic force generated by the moving iron core thr...

Claims

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Application Information

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IPC IPC(8): H01H33/38H01H33/666
CPCH01H33/38H01H33/666
Inventor 许家源韩国辉华争祥邓渊董恩源何保营何大伟朱苛娄毕迎华杨欣可钱凯李琼可宋广民
Owner PINGGAO GRP
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