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Power capacitor

A technology for power capacitors and capacitors, which is applied in multiple fixed capacitors, fixed capacitor casings/packages, and components of fixed capacitors, etc., can solve the problems of easily polluting the environment, easy to burn, and high swelling.

Active Publication Date: 2015-06-17
ZHEJIANG WEIDEKANG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing power capacitors generally include a casing, and a capacitor core group composed of a plurality of capacitor cores is arranged in the casing. The capacitor core group is wrapped together by wrapping paper, and the casing is filled with paraffin or oil. As the filler of the capacitor, however, the power capacitor of this structure has a large swelling defect on the metallized film of the capacitor core, so that the service life of the capacitor core is short; When overflowing, it is easy to pollute the environment and burn easily, so there are certain defects

Method used

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Embodiment Construction

[0022] Such as Figure 1-6 As shown, a power capacitor includes a housing 1, the housing 1 is provided with terminals 2, and the housing 1 is provided with a capacitor core group 4 composed of a plurality of capacitor cores 3 , the housing 1 is also provided with a bracket 5 for installing the capacitor core group 4, the bracket 5 is made of plastic, the housing 1 is filled with an insulating gas, and the insulating gas is nitrogen, and the capacitor The core group 4 is divided into at least two stacked capacitor core rows 41, and the support 5 includes an upper cover 51, a base 52 and a connecting bracket 53 for connecting two adjacent layers of capacitor core rows 41, and the upper cover 51 , the periphery of the base 52 and the connecting bracket 53 is matched with the inner wall of the housing 1, the lower side of the upper cover 51, the upper side of the base 52 and the upper and lower sides of the connecting bracket 53 are all provided with positioning seats 6, and the u...

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Abstract

The invention relates to a power capacitor which comprises a casing. A capacitor core group is arranged in the casing, a support for installing the capacitor core group is arranged in the casing, and insulation gas is filled inside the casing. The support comprises an upper cover, a base and a connecting support. A locating base is respectively arranged on the lower side of the upper cover, on the upper side of the base, and on the upper side and the lower side of the connecting support. The locating base on the upper cover is inserted on the upper end face of a capacitor core on the uppermost layer, the locating base on the base is inserted on the lower end face of a capacitor core on the lowermost layer, the locating bases on the upper side and the lower side of the connecting supports are inserted on opposite end faces of the capacitor cores of two adjacent layers respectively, and threading holes are arranged on the connecting support and the upper cover. By means of the technical scheme, the capacitor core group can be well fixed through the support arranged in the casing, and the filled insulation gas can separate the capacitor core group from the outside, can not pollute the environment, and is not prone to burn.

Description

technical field [0001] The invention relates to a power capacitor. Background technique [0002] At present, the existing power capacitors generally include a casing, and a capacitor core group composed of multiple capacitor cores is arranged in the casing. The capacitor core group is wrapped together by wrapping paper, and the casing is filled with paraffin or oil. As the filler of the capacitor, however, the power capacitor of this structure has a large swelling defect on the metallized film of the capacitor core, so that the service life of the capacitor core is short; When overflowing, it is easy to pollute the environment and burn easily, so there are certain defects. Contents of the invention [0003] Purpose of the present invention: In order to overcome the defects of the prior art, the present invention provides a power capacitor, which can well fix the capacitor core group through the bracket arranged in the casing, and the insulating gas charged can not only ho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G4/002H01G4/224H01G4/38
Inventor 蔡富强金玲
Owner ZHEJIANG WEIDEKANG ELECTRIC