CN203481565U - Laminated busbar device with long creepage distance - Google Patents
Laminated busbar device with long creepage distance Download PDFInfo
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- CN203481565U CN203481565U CN201320543154.6U CN201320543154U CN203481565U CN 203481565 U CN203481565 U CN 203481565U CN 201320543154 U CN201320543154 U CN 201320543154U CN 203481565 U CN203481565 U CN 203481565U
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- insulation
- negative electrode
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Abstract
The utility model discloses a laminated busbar device with a long creepage distance. The device comprises a top layer insulation film, a negative plate electrode, an intermediate insulation film, a positive plate electrode and a bottom layer insulation film, wherein the negative plate electrode is equipped with an annular negative electrode insulating pad and a negative electrode hole, the positive plate electrode is equipped with an annular positive electrode insulating pad and a positive electrode hole, the top layer insulation film is equipped with a pair of top layer insulation film holes, the intermediate insulation film is equipped with a pair of intermediate insulation film holes, and the bottom layer insulation film is equipped with a pair of bottom layer insulation film holes; the two top layer insulation film holes respectively correspond to the annular negative electrode insulating pad and the annular positive electrode insulating pad; and the aperture of the bore of the annular negative electrode insulating pad is not equal to the aperture of the top layer insulation film hole and the aperture of the intermediate layer insulation film hole, and the aperture of the bore of the annular positive electrode insulating pad is not equal to the aperture of the intermediate layer insulation film hole or the aperture of the bottom layer insulation film hole. The laminated busbar device with the long creepage distance is characterized by low cost, short production period, high reliability and saved space, and can be widely applied to the field of power and electronic applications.
Description
Technical field
The utility model relates to power electronics application, particularly relates to the long stack bus bar device of a kind of creepage distance.
Background technology
Referring to Fig. 1 to Fig. 4, existing stack bus bar generally includes the top layer insulating film 1 being connected in turn, negative electrode plate 2, intermediate insulating film 3, positive electrode plate 4 and underlayer insulating film 5, described negative electrode plate 2 is provided with ring-type negative electrode insulation cushion 6 and negative electrode hole 2.1, described positive electrode plate 4 is provided with ring-type positive electrode insulation cushion 7 and positive electrode hole 4.1, described ring-type negative electrode insulation cushion 6 is corresponding with positive electrode hole 4.1 and ring-type positive electrode insulation cushion 7 positions respectively with negative electrode hole 2.1, described top layer insulating film 1, on intermediate insulating film 3 and underlayer insulating film 5, be respectively equipped with a pair of top layer insulating film hole 1.1, a pair of intermediate insulation fenestra 3.1 and a pair of underlayer insulating film hole 5.1, described top layer insulating film hole 1.1 is corresponding with position and the large small bore coaxial cable in intermediate insulation fenestra 3.1 and underlayer insulating film hole 5.1 respectively, one of them top layer insulating film hole 1.1 is corresponding with position and the large small bore coaxial cable of ring-type negative electrode insulation cushion 6 endoporus, another top layer insulating film hole 1.1 is corresponding with position and the large small bore coaxial cable of ring-type positive electrode insulation cushion 7 endoporus.And existing stack bus bar is need to increase creepage distance time, generally on the bottom surface of two top layer insulating film 1 end faces and underlayer insulating film 5, to paste respectively the insulation strip 8 of a spill or convex, wherein one thoroughly do away with edge strip 8 between two top layer insulating film holes 1.1, another thoroughly does away with edge strip 8 (in figure, thick line is creepage path) between two underlayer insulating film holes 5.1.This can bring following problem: 1, owing to having increased the so new parts of insulation strip 8, cause cost to increase; 2, increase manufacture and the bonding process of insulation strip 8, extended the manufacturing time of stack bus bar, be difficult to batch production; 3, insulation strip 8 easily comes off from bonding position, and under hot conditions, more so, reliability is not high; 4, insulation strip 8 has tied up this with regard to nervous space, and frequent and other original papers generation interference.
Utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, provides a kind of creepage distance long stack bus bar device, makes it have that cost is low, with short production cycle, good reliability, joint space-efficient feature.
The long stack bus bar device of a kind of creepage distance that the utility model provides, comprise the top layer insulating film being connected in turn, negative electrode plate, intermediate insulating film, positive electrode plate and underlayer insulating film, described negative electrode plate is provided with ring-type negative electrode insulation cushion and negative electrode hole, described positive electrode plate is provided with ring-type positive electrode insulation cushion and positive electrode hole, described ring-type negative electrode insulation cushion is corresponding with positive electrode hole and ring-type positive electrode insulation cushion position respectively with negative electrode hole, described top layer insulating film, on intermediate insulating film and underlayer insulating film, be respectively equipped with a pair of top layer insulating film hole, a pair of intermediate insulation fenestra and a pair of underlayer insulating film hole, described top layer insulating film hole is corresponding one by one with intermediate insulation fenestra and underlayer insulating film hole respectively, one of them top layer insulating film hole is corresponding with ring-type negative electrode insulation cushion, another top layer insulating film hole is corresponding with ring-type positive electrode insulation cushion, the aperture of described ring-type negative electrode insulation cushion endoporus aperture and top layer insulating film hole and intermediate insulation fenestra, and the aperture in the endoporus aperture of ring-type positive electrode insulation cushion and intermediate insulation fenestra and underlayer insulating film hole is unequal.
In technique scheme, described ring-type negative electrode insulation cushion endoporus aperture is greater than the aperture of top layer insulating film hole and intermediate insulation fenestra, and the endoporus aperture of described ring-type positive electrode insulation cushion is greater than the aperture in intermediate insulation fenestra and underlayer insulating film hole.
In technique scheme, the bottom surface of described top layer insulating film end face and underlayer insulating film is provided with altogether a pair of insulation strip, and one of them insulation strip is between two top layer insulating film holes, and another insulation strip is between two underlayer insulating film holes.
In technique scheme, described ring-type negative electrode insulation cushion endoporus coaxially arranges with corresponding top layer insulating film hole, intermediate insulation fenestra, underlayer insulating film hole and positive electrode hole respectively, and ring-type positive electrode insulation cushion endoporus coaxially arranges with corresponding top layer insulating film hole, intermediate insulation fenestra, underlayer insulating film hole and negative electrode hole respectively.
The stack bus bar device that creepage distance of the present utility model is long, there is following beneficial effect: because the aperture in the aperture of ring-type negative electrode insulation cushion endoporus aperture and top layer insulating film hole and intermediate insulation fenestra and the endoporus aperture of ring-type positive electrode insulation cushion and intermediate insulation fenestra and underlayer insulating film hole is unequal, just between top layer insulating film hole and intermediate insulation fenestra, form ring cavity or the protruding dish of ring-type between intermediate insulation fenestra and underlayer insulating film hole, thereby increased creepage distance.Compared to prior art, the utility model has brought the effect of three aspects:: 1, owing to having reduced two, thoroughly do away with edge strip, omitted this operation of bonding insulation strip, reduced cost, reduce process time, also improved efficiency, also saved the occupied space of insulation strip; 2, avoid insulation strip the brought risk that comes off, improved the reliability of stack bus bar; 3, these improvements and bonding insulation strip can be implemented simultaneously, thereby creepage distance is multiplied.
Accompanying drawing explanation
Fig. 1 is the structure explosive view of the stack bus bar device of prior art;
Fig. 2 is the structure upward view of the stack bus bar device of prior art;
Fig. 3 is the structure cutaway view at A-A place in Fig. 2;
Fig. 4 is the structure enlarged drawing at C place in Fig. 3;
Fig. 5 is the structure explosive view of the long stack bus bar device of the utility model creepage distance;
Fig. 6 is the structure upward view of the long stack bus bar device of the utility model creepage distance;
Fig. 7 is the structure cutaway view at B-B place in Fig. 6;
Fig. 8 is the structure enlarged drawing at D place in Fig. 7.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
In Fig. 1 to Fig. 4, existing stack bus bar device existing description in background technology, does not repeat them here.
Referring to Fig. 5 to Fig. 8, the stack bus bar device that the utility model creepage distance is long, comprises top layer insulating film 1, negative electrode plate 2, intermediate insulating film 3, positive electrode plate 4, underlayer insulating film 5, ring-type negative electrode insulation cushion 6, ring-type positive electrode insulation cushion 7 and insulation strip 8.
Described top layer insulating film 1, negative electrode plate 2, intermediate insulating film 3, positive electrode plate 4 and underlayer insulating film 5 are connected in turn.Described negative electrode plate 2 is provided with ring-type negative electrode insulation cushion 6 and negative electrode hole 2.1, and described positive electrode plate 4 is provided with ring-type positive electrode insulation cushion 7 and positive electrode hole 4.1.Described ring-type negative electrode insulation cushion 6 and negative electrode hole 2.1 are coaxially corresponding with positive electrode hole 4.1 and ring-type positive electrode insulation cushion 7 positions respectively.On described top layer insulating film 1, intermediate insulating film 3 and underlayer insulating film 5, be respectively equipped with a pair of top layer insulating film hole 1.1, a pair of intermediate insulation fenestra 3.1 and a pair of underlayer insulating film hole 5.1, described top layer insulating film hole 1.1 is corresponding with position and the large small bore coaxial cable in intermediate insulation fenestra 3.1 and underlayer insulating film hole 5.1 respectively, one of them top layer insulating film hole 1.1 is coaxial corresponding with ring-type negative electrode insulation cushion 6, and another top layer insulating film hole 1.1 is coaxial corresponding with ring-type positive electrode insulation cushion 7.Described ring-type negative electrode insulation cushion 6 endoporus apertures are less than or greater than the aperture of top layer insulating film hole 1.1 and intermediate insulation fenestra 3.1, the endoporus aperture of described ring-type positive electrode insulation cushion 7 is less than or greater than the aperture in intermediate insulation fenestra 3.1 and underlayer insulating film hole 5.1, in the present embodiment, described ring-type negative electrode insulation cushion 6 endoporus apertures are greater than the aperture of top layer insulating film hole 1.1 and intermediate insulation fenestra 3.1, and the endoporus aperture of described ring-type positive electrode insulation cushion 7 is greater than the aperture in intermediate insulation fenestra 3.1 and underlayer insulating film hole 5.1.
The bottom surface of described top layer insulating film 1 end face and underlayer insulating film 5 is provided with altogether a pair of insulation strip 8, and one of them insulation strip 8 is between two top layer insulating film holes 1.1, and another insulation strip 8 is between two underlayer insulating film holes 5.1.
Because the aperture in the aperture of ring-type negative electrode insulation cushion 6 endoporus apertures and top layer insulating film hole 1.1 and intermediate insulation fenestra 3.1 and the endoporus aperture of ring-type positive electrode insulation cushion 7 and intermediate insulation fenestra 3.1 and underlayer insulating film hole 5.1 is unequal, just between top layer insulating film hole 1.1 and intermediate insulation fenestra 3.1, form ring cavity or the protruding dish of ring-type between intermediate insulation fenestra 3.1 and underlayer insulating film hole 5.1, thereby increased creepage distance (in figure, thick line is creepage path).Compared to prior art, the utility model has brought the effect of three aspects:: 1, owing to having reduced two, thoroughly do away with edge strip 8, omitted bonding insulation strip 8 these operations, reduced cost, reduce process time, also improved efficiency, also saved the occupied space of insulation strip 8; 2, avoid insulation strip 8 the brought risk that comes off, improved the reliability of stack bus bar; 3, these improvements and bonding insulation strip 8 can be implemented simultaneously, thereby creepage distance is multiplied.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. the long stack bus bar device of a creepage distance, comprise the top layer insulating film (1) being connected in turn, negative electrode plate (2), intermediate insulating film (3), positive electrode plate (4) and underlayer insulating film (5), described negative electrode plate (2) is provided with ring-type negative electrode insulation cushion (6) and negative electrode hole (2.1), described positive electrode plate (4) is provided with ring-type positive electrode insulation cushion (7) and positive electrode hole (4.1), described ring-type negative electrode insulation cushion (6) is corresponding with positive electrode hole (4.1) and ring-type positive electrode insulation cushion (7) position respectively with negative electrode hole (2.1), described top layer insulating film (1), on intermediate insulating film (3) and underlayer insulating film (5), be respectively equipped with a pair of top layer insulating film hole (1.1), a pair of intermediate insulation fenestra (3.1) and a pair of underlayer insulating film hole (5.1), described top layer insulating film hole (1.1) is corresponding one by one with intermediate insulation fenestra (3.1) and underlayer insulating film hole (5.1) respectively, one of them top layer insulating film hole (1.1) is corresponding with ring-type negative electrode insulation cushion (6), another top layer insulating film hole (1.1) is corresponding with ring-type positive electrode insulation cushion (7), it is characterized in that: the aperture of described ring-type negative electrode insulation cushion (6) endoporus aperture and top layer insulating film hole (1.1) and intermediate insulation fenestra (3.1), and the aperture of the endoporus aperture of ring-type positive electrode insulation cushion (7) and intermediate insulation fenestra (3.1) and underlayer insulating film hole (5.1) is unequal.
2. the stack bus bar device that creepage distance according to claim 1 is grown, it is characterized in that: described ring-type negative electrode insulation cushion (6) endoporus aperture is greater than the aperture of top layer insulating film hole (1.1) and intermediate insulation fenestra (3.1), and the endoporus aperture of described ring-type positive electrode insulation cushion (7) is greater than the aperture of intermediate insulation fenestra (3.1) and underlayer insulating film hole (5.1).
3. the stack bus bar device that creepage distance according to claim 1 and 2 is grown, it is characterized in that: the bottom surface of described top layer insulating film (1) end face and underlayer insulating film (5) is provided with altogether a pair of insulation strip (8), one of them insulation strip (8) is positioned between two top layer insulating film holes (1.1), and another insulation strip (8) is positioned between two underlayer insulating film holes (5.1).
4. the stack bus bar device that creepage distance according to claim 3 is grown, it is characterized in that: described ring-type negative electrode insulation cushion (6) endoporus coaxially arranges with corresponding top layer insulating film hole (1.1), intermediate insulation fenestra (3.1), underlayer insulating film hole (5.1) and positive electrode hole (4.1) respectively, ring-type positive electrode insulation cushion (7) endoporus coaxially arranges with corresponding top layer insulating film hole (1.1), intermediate insulation fenestra (3.1), underlayer insulating film hole (5.1) and negative electrode hole (2.1) respectively.
5. the stack bus bar device that creepage distance according to claim 1 and 2 is grown, it is characterized in that: described ring-type negative electrode insulation cushion (6) endoporus coaxially arranges with corresponding top layer insulating film hole (1.1), intermediate insulation fenestra (3.1), underlayer insulating film hole (5.1) and positive electrode hole (4.1) respectively, ring-type positive electrode insulation cushion (7) endoporus coaxially arranges with corresponding top layer insulating film hole (1.1), intermediate insulation fenestra (3.1), underlayer insulating film hole (5.1) and negative electrode hole (2.1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543154.6U CN203481565U (en) | 2013-09-02 | 2013-09-02 | Laminated busbar device with long creepage distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543154.6U CN203481565U (en) | 2013-09-02 | 2013-09-02 | Laminated busbar device with long creepage distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481565U true CN203481565U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320543154.6U Expired - Fee Related CN203481565U (en) | 2013-09-02 | 2013-09-02 | Laminated busbar device with long creepage distance |
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| CN (1) | CN203481565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022414A (en) * | 2014-05-22 | 2014-09-03 | 苏州西典机电有限公司 | Novel laminated busbar |
-
2013
- 2013-09-02 CN CN201320543154.6U patent/CN203481565U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022414A (en) * | 2014-05-22 | 2014-09-03 | 苏州西典机电有限公司 | Novel laminated busbar |
| CN104022414B (en) * | 2014-05-22 | 2016-08-31 | 苏州西典机电有限公司 | A kind of stack bus bar |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20210902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |