An Electromagnetic Repulsion Coil Based on Micro-arc Oxidation

A technology of electromagnetic repulsion and micro-arc oxidation, applied in the direction of coils, power devices and circuits inside switches, can solve the problems of large mechanical shock, mechanical and insulation reliability threats of coils and their insulating envelopes, and achieve mechanical strength. Insufficient, improve the effective current-carrying volume, improve the effect of electrical insulation performance

Active Publication Date: 2022-03-01
XI AN JIAOTONG UNIV
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Problems solved by technology

[0002] Due to the higher closing and opening speed of the electromagnetic repulsion mechanism, the coil and its insulation package face greater mechanical impact, and the mechanical and insulation reliability are greatly threatened
[0003] For this reason, it is necessary to design an electromagnetic repulsion coil to better solve the shortcomings of the electromagnetic repulsion coil in terms of electrical insulation and mechanical strength.

Method used

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  • An Electromagnetic Repulsion Coil Based on Micro-arc Oxidation
  • An Electromagnetic Repulsion Coil Based on Micro-arc Oxidation

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Embodiment Construction

[0015] The present invention is described in further detail below in conjunction with accompanying drawing:

[0016] refer to figure 1 and figure 2 , the electromagnetic repulsion coil based on the micro-arc oxidation method of the present invention includes a valve metal disc, wherein a guide hole is provided at the center of the valve metal disc, and a gap is opened on the valve metal disc, wherein, A ceramic oxide layer 2 is grown in-situ in the gap and on the surface of the valve metal disc, and the gap is filled with silica gel 3 . Specifically, the gap has a spiral structure from inside to outside.

[0017] The inner wall of the guide hole is provided with an inner edge soft connection installation hole 6, an inner edge soft connection installation hole 6 is inserted with an inner edge soft connection line 8, and an outer edge soft connection installation hole 7 is provided on the outer peripheral surface of the valve metal disc , wherein, an outer edge flexible conne...

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Abstract

The invention discloses an electromagnetic repulsion coil based on a micro-arc oxidation method, which includes a valve metal disc, wherein a guide hole is arranged at the center of the valve metal disc, and a gap is opened on the valve metal disc, wherein , There is a ceramic oxide layer in the gap and the surface of the valve metal disc, and the gap is filled with silica gel. The electrical insulation performance and mechanical strength of the coil are excellent.

Description

technical field [0001] The invention belongs to the technical field of high-voltage switches, and relates to an electromagnetic repulsion coil based on a micro-arc oxidation method. Background technique [0002] Due to the higher closing and opening speeds of the electromagnetic repulsion mechanism, the coil and its insulation package face greater mechanical impact, and the mechanical and insulation reliability are greatly threatened. [0003] Therefore, it is necessary to design an electromagnetic repulsion coil to better solve the shortcomings of the electromagnetic repulsion coil in terms of electrical insulation and mechanical strength. Contents of the invention [0004] The object of the present invention is to overcome the above-mentioned shortcomings of the prior art, and provide an electromagnetic repulsion coil based on a micro-arc oxidation method, which has excellent electrical insulation performance and mechanical strength. [0005] In order to achieve the abo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/28H01F5/06H01F5/04
CPCH01H3/28H01F5/06H01F5/04
Inventor 翟小社王建华耿英三姚晓飞
Owner XI AN JIAOTONG UNIV
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