CN203645094U - Edge sealing structure applied to lamination bus bar pins - Google Patents

Edge sealing structure applied to lamination bus bar pins Download PDF

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Publication number
CN203645094U
CN203645094U CN201320878096.2U CN201320878096U CN203645094U CN 203645094 U CN203645094 U CN 203645094U CN 201320878096 U CN201320878096 U CN 201320878096U CN 203645094 U CN203645094 U CN 203645094U
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CN
China
Prior art keywords
edge sealing
pin
sealing structure
positive
bus bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320878096.2U
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Chinese (zh)
Inventor
盛建华
王聪
李祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou West Deane Machinery Inc
Original Assignee
Suzhou West Deane Machinery Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou West Deane Machinery Inc filed Critical Suzhou West Deane Machinery Inc
Priority to CN201320878096.2U priority Critical patent/CN203645094U/en
Application granted granted Critical
Publication of CN203645094U publication Critical patent/CN203645094U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an edge sealing structure applied to lamination bus bar pins. Insulating casings respectively sleeve positive and negative pole pins of a lamination bus bar. The insulating casings are close to the roots of the positive and negative pole pins. The ends close to the roots of the positive and negative pole pins are arranged between seal edges on the edges of an outer insulating film and an intermediate insulating film. According to the utility model, a greater creepage requirement of the lamination bus bar is met; an insulating casing of the edge sealing structure on one side does not occupy the space between two pins, so that the pin edge sealing structure is not limited by the distance between two pins; the edge sealing structure has the advantage of simple and convenient operation, and can be pressed and formed once with the bus bar; and the edge sealing structure is reliable, and has the advantage of reduced cost compared with a bus bar spraying edge sealing structure.

Description

For the edge sealing structure of laminated bus bars pin
Technical field
The utility model relates to a kind of edge sealing structure for laminated bus bars pin.
Background technology
Laminated bus bars, claim again composite bus bar, low-inductance bus, that a kind of multi-layer compound structure connects row, there are the high-power modular syndeton parts that can repeat the features such as electric property, Low ESR, anti-interference, good reliability, assembling be succinct, be widely used in electric power and mix the power conversion module etc. of traction, power switch system, electricity generation system, electrical equipment.
Laminated bus bars often connects IGBT or other components and parts by a kind of pin configuration, in order to ensure electric clearance and the creepage distance of laminated bus bars, need to solve the edge sealing process of laminated bus bars pin.In existing situation, as electric clearance and creepage distance do not meet, often overlap heat-shrinkable T bush by pin, or between the pin of the two poles of the earth, open creepage groove and process; In the situation of the two poles of the earth pin-pitch permission, also can solve by the two poles of the earth pin edge sealing pressing edge sealing or one pole pin pressing edge sealing; In addition to the above methods, also can spray and solve by copper bar.
But in practice, pin cover heat-shrink tube easily causes that master row insulating film is out of shape or heat-shrink tube temperature distortion in pressing process under heat gun effect; Creepage groove structure and single pin edge sealing structure are not enough to meet creepage requirement; The two poles of the earth pin-pitch can not meet the two poles of the earth pin pressing simultaneously edge sealing.Though and pressing can solve pin edge sealing problem after copper bar spraying, implementing process is more complicated, high cost.
Summary of the invention
The utility model object is for the existing deficiency of prior art, a kind of edge sealing structure for laminated bus bars pin is provided, this structure is not limited to the spacing between the pin of the two poles of the earth, does not take the space between two pins, ensures better the requirement of busbar electric clearance and creepage distance.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of edge sealing structure for laminated bus bars pin, laminated bus bars comprises anodal copper bar, negative pole copper bar, external insulation film, intermediate insulating film, intermediate insulating film is arranged between anodal copper bar and negative pole copper bar, external insulation film sticks on anodal copper bar, the outer surface of negative pole copper bar, be provided with both positive and negative polarity pin at laminated bus bars edge, external insulation film and intermediate insulation film edge press together realizes edge sealing, on both positive and negative polarity pin, cover has insulating sleeve respectively, described insulating sleeve is near both positive and negative polarity pin root, be placed in the centre of external insulation film and intermediate insulation film edge edge sealing near one end of both positive and negative polarity pin root.
For technique scheme, inventor also has further optimization embodiment.
As optimization, described insulating sleeve is one-sided edge sealing structure, and edge sealing one side that is socketed in the insulating sleeve on both positive and negative polarity pin is all positioned at the outside of pin.On busbar pin, overlap insulating sleeve, the internal diameter size of insulating sleeve is determined by the size of pin.Insulating sleeve is rolled into cannula-like after being cut by dielectric film, after pasting, sleeve pipe one side forms one-sided edge sealing structure, insulating sleeve is enclosed within on pin, insulating sleeve, near pin root, makes insulating sleeve press together near one end and the bus bar edge edge sealing of pin root, to ensure the insulation of insulating sleeve root, and a side of edge sealing is positioned at pin outside, do not take the space between two pins, make to meet between both positive and negative polarity pin and interfere without in kind, meet the creepage requirement that laminated bus bars is larger simultaneously
As optimization, described insulating sleeve is PET sleeve pipe.Insulating sleeve adopts the material identical with bus bar dielectric film to make in fact.
Than solution of the prior art, the utility model advantage is:
The described edge sealing structure for laminated bus bars pin of the utility model, adopt insulating sleeve to be socketed on the pin of bus bar, thereby meet the creepage requirement that laminated bus bars is larger, and the insulating sleeve of one-sided edge sealing structure does not take the space between two pins, make pin edge sealing structure not be limited to the spacing between two pins.Edge sealing structure provided by the utility model is simple to operation in addition, this edge sealing structure can with busbar pressing one-shot forming; Edge sealing structure is reliable, busbar sprays edge sealing structure cost relatively.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of edge sealing structure in the utility model embodiment;
Fig. 2 is the structural representation of insulating sleeve in the utility model embodiment;
Wherein: 1, anodal copper bar; 2, negative pole copper bar; 3, external insulation film; 4, intermediate insulating film; 5, anodal pin; 6, negative pole pin; 7, PET sleeve pipe.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for the present invention is described.The implementation condition adopting in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
embodiment:
The present embodiment has been described a kind of edge sealing structure for laminated bus bars pin, its structure as shown in Figure 1, laminated bus bars comprises anodal copper bar 1, negative pole copper bar 2, external insulation film 3, intermediate insulating film 4, intermediate insulating film 4 is arranged between anodal copper bar 1 and negative pole copper bar 2, external insulation film 3 sticks on anodal copper bar 1, the outer surface of negative pole copper bar 2, be provided with anodal pin 5 and negative pole pin 6 at laminated bus bars edge, external insulation film 3 presses together and realizes edge sealing with intermediate insulating film 4 edges, on anodal pin 5 and negative pole pin 6, cover has PET sleeve pipe 7 respectively, described PET sleeve pipe 7 is near anodal pin 5 and negative pole pin 6 roots, be placed in the centre of external insulation film 3 and intermediate insulating film 4 edge edge sealing near one end of both positive and negative polarity pin root.Described PET sleeve pipe 7 is one-sided edge sealing structure, and edge sealing one side that is socketed in the PET sleeve pipe 7 on both positive and negative polarity pin is all positioned at the outside of pin.
The structure of this PET sleeve pipe 7 as shown in Figure 2, described PET sleeve pipe 7 is rolled into cannula-like after being cut by PET film, after pasting, sleeve pipe one side forms one-sided edge sealing structure, PET sleeve pipe 7 is enclosed within on pin, PET sleeve pipe 7 is near pin root, PET sleeve pipe 7 is pressed together near one end and the bus bar edge edge sealing of pin root, and to ensure the insulation of PET sleeve pipe 7 roots, and a side of edge sealing is positioned at pin outside.
As shown in Figure 1, spacing 10mm between anodal pin 5 and negative pole pin 6, according to electric requirement, busbar need meet creepage distance and be greater than space between 20mm and two pins and can not have in kind the interference.
By traditional pin edge sealing process, as opened creepage groove between the pin of the two poles of the earth, due to only 10mm of the two poles of the earth pin-pitch, can not ensure pin well the edge edge sealing between pressing edge sealing and two pins run counter to space between two pins and can not have the requirement of interfering in kind.
The described edge sealing structure of the present embodiment is specifically adding man-hour, before busbar pressing, special PET sleeve pipe 7 is enclosed within on anodal pin 5 and negative pole pin 6, PET sleeve pipe 7 is near pin root, PET sleeve pipe 7 is placed in the centre of external insulation film 3 and intermediate insulating film 4 edge edge sealing near one end of pin root, then pin cover there are copper bar, external insulation film 3, the intermediate insulating film 4 of PET sleeve pipe 7 to be pressed into stack bus bar, PET sleeve pipe 7 hot pressing parcel pins, and PET sleeve pipe 7 is pressed together on bus bar edge edge sealing inside near pin root one end, make the insulation of pin root.This edge sealing structure has solved creepage problem of having relatively high expectations in the situation that the two poles of the earth pin-pitch is less, and simple to operate, avoid adopting spraying edge sealing process, reduce busbar cost.
Above-mentioned example is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations that Spirit Essence does according to the present invention or modification, within all should being encompassed in protection scope of the present invention.

Claims (3)

1. the edge sealing structure for laminated bus bars pin, laminated bus bars comprises anodal copper bar, negative pole copper bar, external insulation film, intermediate insulating film, intermediate insulating film is arranged between anodal copper bar and negative pole copper bar, external insulation film sticks on anodal copper bar, the outer surface of negative pole copper bar, be provided with both positive and negative polarity pin at laminated bus bars edge, external insulation film and intermediate insulation film edge press together realizes edge sealing, it is characterized in that, on both positive and negative polarity pin, cover has insulating sleeve respectively, described insulating sleeve is near both positive and negative polarity pin root, be placed in the centre of external insulation film and intermediate insulation film edge edge sealing near one end of both positive and negative polarity pin root.
2. the edge sealing structure for laminated bus bars pin according to claim 1, is characterized in that, described insulating sleeve is one-sided edge sealing structure, and edge sealing one side that is socketed in the insulating sleeve on both positive and negative polarity pin is all positioned at the outside of pin.
3. the edge sealing structure for laminated bus bars pin according to claim 1, is characterized in that, described insulating sleeve is PET sleeve pipe.
CN201320878096.2U 2013-12-30 2013-12-30 Edge sealing structure applied to lamination bus bar pins Expired - Fee Related CN203645094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320878096.2U CN203645094U (en) 2013-12-30 2013-12-30 Edge sealing structure applied to lamination bus bar pins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320878096.2U CN203645094U (en) 2013-12-30 2013-12-30 Edge sealing structure applied to lamination bus bar pins

Publications (1)

Publication Number Publication Date
CN203645094U true CN203645094U (en) 2014-06-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320878096.2U Expired - Fee Related CN203645094U (en) 2013-12-30 2013-12-30 Edge sealing structure applied to lamination bus bar pins

Country Status (1)

Country Link
CN (1) CN203645094U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110391511A (en) * 2019-07-15 2019-10-29 嘉兴嘉一电源科技有限公司 A kind of composite bus bar
CN111033996A (en) * 2017-09-28 2020-04-17 丹佛斯硅动力有限责任公司 Busbar and power module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111033996A (en) * 2017-09-28 2020-04-17 丹佛斯硅动力有限责任公司 Busbar and power module
CN111033996B (en) * 2017-09-28 2023-03-14 丹佛斯硅动力有限责任公司 Busbar and power module
US11616353B2 (en) 2017-09-28 2023-03-28 Danfoss Silicon Power Gmbh Busbar and power module
CN110391511A (en) * 2019-07-15 2019-10-29 嘉兴嘉一电源科技有限公司 A kind of composite bus bar

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20181230