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Permanent-magnet manipulating mechanism

A technology of permanent magnet operation and permanent magnet, which is applied in the direction of protection switch operation/release mechanism, power device inside the switch, high-voltage air circuit breaker, etc., to achieve the effects of simple structure, reduced consumption and long life

Inactive Publication Date: 2006-04-19
JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP
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Problems solved by technology

[0002] Judging from international and domestic statistics, among the faults of circuit breakers, mechanical faults account for the majority, up to 70% of the total faults. Today, with the development of reliability, the traditional circuit breaker operating mechanism seems to be unable to meet the needs of today's society for high-quality, high-reliability products. In order to further improve the reliability of circuit breakers, it is necessary to break through the mechanism action in the sense of traditional circuit breakers. Principle, develop a new circuit breaker operating mechanism

Method used

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Embodiment Construction

[0015] figure 1 An embodiment of the invention has been described. Among them, there is a static iron core 1. The opening coil 5 and the closing coil 6 are installed in the static iron core 1. The permanent magnets 3 and 4 are installed between the opening coil 5 and the closing coil 6. Between the opening coil 5 and the closing coil The coil 6 and the permanent magnets 3, 4 are equipped with a moving iron core 2, and the ends of the moving iron core 2 are connected with an output rod (drive rod) 7, and the above-mentioned mechanism is controlled by a permanent magnet operating mechanism electronic control circuit.

[0016] figure 2 The electronic control circuit of the bistable permanent magnet operating mechanism that can be used in the present invention is described. There is a closing trigger circuit and an opening trigger circuit, one end of the closing trigger circuit is connected with a charging circuit, and the other end is connected with a closing coil detection de...

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Abstract

A permanent-magnet manipulating mechanism is composed of a static iron core with closing and opening coils arranged in the static iron core and near its two ends, a permanent magnet between the two coils, a moving iron core with an output rod connected at its end passing through the two coils and the permanent magnet, and an electronic control circuit. Its advantages are simple structure, high reliability and long service life (100,000 operations).

Description

Technical field: [0001] The invention relates to the technical field of power supply and distribution, and relates to an operating mechanism of a circuit breaker in power supply and distribution equipment, specifically, a permanent magnet operating mechanism of the circuit breaker. Background technique: [0002] Judging from international and domestic statistics, among the faults of circuit breakers, mechanical faults account for the majority, up to 70% of the total faults. Today, with the development of reliability, the traditional circuit breaker operating mechanism seems to be unable to meet the needs of today's society for high-quality, high-reliability products. In order to further improve the reliability of circuit breakers, it is necessary to break through the mechanism action in the sense of traditional circuit breakers. Principle, develop a new circuit breaker operating mechanism. Invention content: [0003] The purpose of the present invention is to provide a pe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/28H01H71/68H01H33/666
Inventor 孙益源邱卫东周国建吴琪季忠华张圣进蔡国华梁毅
Owner JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP
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