A repulsion mechanism for ultra-fast circuit breaker

A technology of repulsion mechanism and circuit breaker, which is applied to high-voltage air circuit breakers, circuits, power devices inside switches, etc., can solve the problem of low utilization rate of electromagnetic energy, and achieve the effects of optimizing magnetic field distribution, increasing strength, and saving space.

Active Publication Date: 2021-10-26
WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] Due to the structure of the pairing form of the repulsive disk and the coil, the magnetic lines of force diverge to the surrounding space, and its utilization rate of electromagnetic energy is relatively low.

Method used

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  • A repulsion mechanism for ultra-fast circuit breaker
  • A repulsion mechanism for ultra-fast circuit breaker
  • A repulsion mechanism for ultra-fast circuit breaker

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings. Illustrations of the described embodiments are shown in the drawings, like reference numerals referring to like elements. The embodiments described below are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0024] This patent proposes a new solution for repulsion coils and repulsion disks. The overall idea is to constrain and optimize the magnetic field distribution, increase the local magnetic field density, and improve the utilization efficiency of electromagnetic energy by the repulsion mechanism, thereby reducing volume and cost. refer to Figure 1 to Figure 7 As shown, a repulsion mechanism of the present invention includes a repulsion coil 1 and a repulsion disc 2 connected by a mechanism shaft 3 with a limit ring 3.2.

[0025] The repulsion coil 1 includes a chassis 1.1, an insula...

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Abstract

The invention discloses a repulsion mechanism for an ultra-fast circuit breaker, which includes a repulsion coil, a repulsion disk and a mechanism shaft. The repulsion coil includes a chassis, an insulating frame, a coil winding, an iron core, and a fixing screw. The repulsion disk includes a main Disc, repulsion disc skeleton and riveted two fixing parts; compared with the prior art scheme, the overall design of the present invention is more compact, and optimizes the magnetic field distribution of the fast repulsion mechanism, improves the utilization efficiency of the electromagnetic energy of the repulsion mechanism, The requirement for energy storage in the drive circuit is reduced, thereby reducing size and cost.

Description

technical field [0001] The patent of the present invention relates to the field of ultra-fast circuit breakers, in particular to a repulsion mechanism for ultra-fast circuit breakers. Background technique [0002] The quick operating mechanism is an operating mechanism made using the principle of eddy current electric repulsion. It is more and more frequently used in fast circuit breakers because of its simple structure and fast opening speed. With the development of the power industry, the technology of high-voltage fast circuit breakers has developed rapidly, and the rapid repulsion mechanism, as the core component of fast circuit breakers, has attracted more and more attention. [0003] The repulsion disk and the repulsion coil are important components of the fast repulsion mechanism. Most of the existing repulsion disks are in the form of discs with a flat contact surface, and the repulsion coils are mostly cake-shaped structures corresponding to the repulsion disk. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/28H01H33/38
CPCH01H3/28H01H33/38
Inventor 杨晨光李杰邹顺李博沙新乐
Owner WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
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