High-energy storage and high-density power electronic capacitor

A technology for power electronics and capacitors, which is applied in the field of high energy storage and high density power electronic capacitors, can solve the problems of capacitor voltage resistance and high current resistance that are difficult to meet the requirements of electric vehicle capacitors, etc. The effect of good pressure and high current resistance performance and small overall volume

Inactive Publication Date: 2011-11-09
TONGLING TONGXIN ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that existing capacitors are difficult to meet the requirements of electric vehicle capacitance in terms of voltage resistance and high current resistance

Method used

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  • High-energy storage and high-density power electronic capacitor
  • High-energy storage and high-density power electronic capacitor
  • High-energy storage and high-density power electronic capacitor

Examples

Experimental program
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Embodiment

[0010] Embodiment: The present invention consists of a metal shell 8, a lead-out 2, an insulating seat 3, a capacitor core group 5, a cover plate 11, a positioning epoxy plate 4, and an impregnating agent 7, and an oil injection hole 1 is provided on the cover plate 11. Several parallel or parallel capacitor core groups 5 assembled in the casing 8 are formed by winding a thin film with a single-side margin 13 and a single-side metal layer thickening region 12 . The capacitor core group 5 is wrapped up with an insulating package 9, and green shell paper 10 is put into the bottom of the shell. Choose a film with a margin of 2.5mm on one side and a resistance value of 12 squares in the metallized thickened area on one side between 2-4 ohms / square, and a resistance value of 14 squares in the non-thickened area of ​​the metal layer between 5.5-9.5Ω / square between. Two layers of metallized films with different edge directions are superimposed and wound in parallel to form a single ...

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Abstract

The invention discloses a high-energy storage and high-density power electronic capacitor, which consists of a metal shell (8), a leading-out end (2), an insulating seat (3), capacitor cores (5), a cover plate (11), a positioning epoxy plate (4) and a dipping agent (7); an oil injection hole (1) is formed in the cover plate (11); and the capacitor is characterized in that: a plurality of the capacitor cores (5) which are combined in parallel or in series and assembled in the shell (8) are formed by winding a thin film with a single-side left edge (13) and a single-side metal-layer thickening area (12). The capacitor has the characteristics of high energy storage, high density, good heat dissipation performance, high safety, small size, high voltage-resistant and current-resistant performance and the like.

Description

technical field [0001] The invention relates to capacitors for electronic components, in particular to high-energy storage and high-density power electronic capacitors. Background technique [0002] Capacitors are widely used. In the current high-speed development of the electric vehicle industry, the application of ultra-large capacitors in electric vehicles is to enhance and supplement the performance of batteries. There are also major limitations and deficiencies in characteristics such as power and continuous charge-discharge life, mainly in the performance of withstand voltage and high current. It is difficult for existing capacitors to meet the requirements of electric vehicles. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the existing capacitor is difficult to meet the requirements of electric vehicle capacitance in terms of voltage resistance and high current resistance. [0004] The technical scheme adopted ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/32H01G4/38
Inventor 朱小红
Owner TONGLING TONGXIN ELECTRIC
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