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Structure between insulation layer and conductor layer in stack bus bar

A technology of laminated busbars and conductor layers, applied in the field of laminated busbars, can solve the problems of insulation failure, inability to guarantee sealing, hidden safety hazards, etc., and achieve the effect of reliable insulation and space saving

Inactive Publication Date: 2008-08-27
SHANGHAI STEP ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, bonding with adhesives cannot guarantee a complete seal. Once there is a gap and the extension length is not enough, creepage between conductors will occur, resulting in insulation failure and a potential safety hazard.

Method used

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  • Structure between insulation layer and conductor layer in stack bus bar

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Embodiment Construction

[0011] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:

[0012] It can be seen from FIG. 3 that the present invention includes: at least one or more conductor layers 200 and an insulating layer 100 corresponding to the conductor layer 200; the insulating layer 100 is on both sides of the conductor layer 200; and the extended end of the insulating layer 100 After being bent, 101 is rolled between the conductor layer 200 and the lower insulating layer.

[0013] In the prior art, the insulating layer needs to extend a distance from the conductor to ensure creepage. In the present invention, the extended part of the insulating layer is bent at 180° and then glued to the back of the conductor, so that no space outside the conductor is required, so the length of the bent part can be as long as possible, even if there is a gap in the bonding , It can also ensure sufficient creepage distance.

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Abstract

The invention relates to a structure between an insulation layer and a conductor layer of a laminated busbar, comprising at least at least one layer of conductor layer(200) and an insulation layer(100) corresponding to the conductor layer(200), wherein the insulation layer(100) is arranged on both sides of the conductor layer(200); an extension end(101) of the insulation layer(100) is bent and rolled between the conductor layer(200) and the lower part of the insulation layer; the structure has the advantages of saving space due to the adoption of a mode of bending edges of the insulation layer and ensuring more reliable insulation.

Description

Technical field [0001] The present invention relates to a laminated busbar, in particular to the edge structure of the laminated busbar. Background technique [0002] At present, many electrical products have begun to use laminated busbar technology to reduce parasitic inductance and obtain the best electrical performance. However, because the laminated busbar technology closely fits different conductors on both sides of the insulating layer, and the distance between the conductors is very close, the insulation between the conductors has become a key factor in the design of the laminated busbar. [0003] For the insulation of the edge of the laminated busbar, there are two methods in the prior art: the first is to extend the edge of the insulating layer beyond the edge of the conductor layer, and the extension length is 1 / 2 of the maximum creepage distance between conductors; the second is The extended insulating layer is bonded with an adhesive to seal it, and the extended lengt...

Claims

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Application Information

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IPC IPC(8): H02B1/20H01B5/02
Inventor 龚莉宋吉波高乾康守军孟庆旭
Owner SHANGHAI STEP ELECTRIC