Explosion-proof capacitor with novel structure

A new structure and capacitor technology, applied in the field of capacitors, can solve the problems of explosion-proof capacitor explosion, capacitor explosion, loss of explosion-proof function, etc., and achieve the effect of increasing the content space and preventing explosion

Inactive Publication Date: 2014-09-17
SUZHOU SAMSUNG ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current explosion-proof capacitors have the problem that the explosion-proof device of the explosion-proof capacitor does not operate, which eventually leads to the explosion of the explosion-proof capacitor; when the explosion-proof capacitor is in a high-temperature environment for a long time, it is made of PBT (polybutylece terephthalate) material The explosion-proof device of the capacitor is easily deformed, and the sensitivity of the explosion-proof device decreases, thus losing the explosion-proof function, causing the capacitor to explode, and affecting the safety performance of the product

Method used

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Embodiment Construction

[0020] The invention discloses an explosion-proof capacitor with a new structure, which includes a capacitor core body arranged in an insulating immersion liquid environment, a plug terminal electrically connected to the capacitor core body through a conductive fixture and a metal wire, and is used for accommodating the capacitor core body. Capacitor core and insulating immersion liquid casing, used to close the casing cover of the casing, the first partition arranged close to the casing cover, and the casing includes a section that can be expanded when the internal pressure increases Compression structure.

[0021] Preferably, the compression structure is a plurality of folded strips pressed from a section of the shell.

[0022] Further, there are three fold belts.

[0023] Further, the fold belts are arranged parallel up and down.

[0024] Preferably, the conductive fixing member is a rivet, and the socket terminal is connected to the housing cover and the rivet by welding...

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Abstract

The invention discloses an explosion-proof capacitor with a novel structure. An explosion-proof casing adopts an expandable compressed structure. When the air pressure in the capacitor increases, the compressed structure of the capacitor casing is deformed and the compressed structure expands because of internal pressure so that the internal space of the capacitor is increased and the distance between a casing cover body and a core body of the capacitor is increased until connection lines of rivets and the core body are broken. Therefore, happening of explosion of the capacitor is prevented more effectively.

Description

technical field [0001] The invention relates to the technical field of capacitors, in particular to an explosion-proof capacitor with a new structure. Background technique [0002] Electrolytic capacitors contain electrolyte and are generally sealed in an aluminum case. During normal use, there will be a small leakage current, which will be converted into heat. The leakage current of a qualified electrolytic capacitor is within the specified range, and the heat generated by the leakage current will not have a great impact on the life of the electrolytic capacitor. . When an abnormality occurs, such as overvoltage, reverse, etc., the leakage current will increase rapidly. After the leakage current becomes larger, the heat will rise quickly. When the heat continues to accumulate in a sealed space, the internal pressure will increase sharply, reaching A certain temperature will explode. The power of electrolytic capacitor explosion is directly related to the speed of heat ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G2/18H01G2/10
Inventor 吴永浩
Owner SUZHOU SAMSUNG ELECTRONICS CO LTD
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