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Explosion-proof capacitor

A technology of capacitors and shells, which is applied in the field of explosion-proof capacitors, can solve the problems of high explosion-proof cost of capacitors, achieve good heat dissipation, increase heat dissipation area, and reduce the possibility

Pending Publication Date: 2022-01-04
深圳康诚达电子有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the problem of the high cost of explosion-proofing capacitors through explosion-proof wires, the application provides an explosion-proof capacitor

Method used

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Embodiment Construction

[0036] The present application will be described in further detail below in conjunction with the accompanying drawings. It should be noted that if there are directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application, the directional indications are only used for Explain the relative positional relationship, movement conditions, etc. between the various components in a certain posture. If the specific posture changes, the directional indication will also change accordingly.

[0037] The embodiment of the present application discloses an explosion-proof capacitor. refer to figure 1 The explosion-proof capacitor includes a shell 1 and a core 2 installed in the shell 1. The core 2 is connected with two pins 21, and the two pins 21 pass through one end of the shell 1 for connecting a circuit board or a circuit.

[0038] The center of the other end of the shell 1 is pierced with a thermally conductive column 3 of insulating...

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Abstract

The invention relates to an explosion-proof capacitor, which comprises a shell and a core body arranged in the shell, the core body is connected with a pin, the pin passes through one end of the shell, and one end of the shell far away from the pin is provided with a heat dissipation hole. A a one-way valve enabling fluid to only flow to the outside of the outer shell from the inside of the outer shell in one direction is arranged in the heat dissipation hole, a heat conduction column is arranged in the middle of the end, away from the pin, of the outer shell in a penetrating mode, the core body is wound around the heat conduction column to be formed, and the end, away from the core body, of the heat conduction column is connected with a heat dissipation sheet. The heat conduction column is made of an insulating material, and a gap exists between the cooling fin and the shell. The one-way valve is used for pressure relief, the one-way valve can be repeatedly used, the replacement rate of the capacitor is reduced, the cost is saved, the heat conduction column can dissipate heat of the center of the core body, and the expansion possibility of the capacitor is also reduced.

Description

technical field [0001] The present application relates to the field of capacitors, in particular to an explosion-proof capacitor. Background technique [0002] A capacitor is a device that holds charges and is one of the most widely used electronic components in electronic equipment. It is widely used in DC blocking, coupling, bypass, filtering, tuning loops, energy conversion, control, etc. in circuits. [0003] The capacitance of the capacitor in the circuit is large, and it is easy to heat up rapidly when overload occurs in actual use. Under high temperature, the internal insulation will accelerate aging and decomposition, and gas will be generated. The internal pressure of the capacitor shell will increase, causing expansion or even explosion. If the capacitor explodes, it will cause joint damage to other nearby electronic components. Therefore, the design of the capacitor often has an explosion-proof device. The explosion-proof design of the current explosion-proof cap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G2/08H01G9/035H01G9/145
CPCH01G2/08H01G9/035H01G9/145
Inventor 李唐张明田红波
Owner 深圳康诚达电子有限公司
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