CN204190112U - Composite bus bar - Google Patents
Composite bus bar Download PDFInfo
- Publication number
- CN204190112U CN204190112U CN201420535116.0U CN201420535116U CN204190112U CN 204190112 U CN204190112 U CN 204190112U CN 201420535116 U CN201420535116 U CN 201420535116U CN 204190112 U CN204190112 U CN 204190112U
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- conductive plate
- location hole
- copper
- bus bar
- copper sheathing
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Abstract
The utility model discloses a kind of composite bus bar, comprise conductive plate, insulation board and binding post; Conductive plate comprises sequentially folded the first conductive plate, the second conductive plate and the 3rd conductive plate established, and is provided with insulation board between the first conductive plate and the second conductive plate and between the second conductive plate and the 3rd conductive plate; First conductive plate is provided with the first location hole, and the second conductive plate, the 3rd conductive plate and insulation board are provided with the second location hole; Binding post comprises copper post and copper sheathing; The little head end of copper post is through the first location hole and the copper sheathing interference fit be located in the second location hole, the medial surface of the stub end of copper post is close to a side of the first conductive plate, the medial surface of copper sheathing is close to the another side of the first conductive plate, is provided with electric clearance between the outer wall of copper sheathing and the hole wall of the second location hole.Composite bus bar middle connecting terminal of the present utility model has very strong anti-vibration ability, large with the first conductive plate contact-making surface, effectively controls temperature rise.
Description
Technical field
The utility model relates to a kind of composite bus bar.
Background technology
Composite bus bar is formed by stacking by one or more layers material, wherein has electric conducting material, as red copper, and brass or aluminium; There is insulating material, as film, insulating paper or epoxy material etc., and these insulating material are successively superimposed in electric conducting material, constitute a multi-layer compound structure connecting circuit.
Existing composite bus bar Problems existing is: because each conductive plate is in different aspects respectively, just need to adopt the securing member of different length specification when actual installation fastening, be not easy to batch installation, the bolt head being positioned at the superiors in addition can exceed mounting plane, hinders the reduction in bulk of electric-control cabinet body; In addition, conveniently connect various electric component, also need to arrange padded boss or conductive pole on conductive plate to make installed surface concordant, but at present except thin plate (within being generally 2mm) adopts stretching boss, substantially all come padded with binding post, owing to installing the restriction in cabinet space, usually the even thicker copper bar of more than 3mm is adopted to realize when realizing big current connection, these binding post many employings gear hobbing type modes of pressing are installed, the mode Shortcomings but this gear hobbing type presses:
As shown in Figure 1, gear hobbing type presses to be needed to increase gear hobbing and material extrusion groove at copper post and conductive plate place, mould is then adopted to be pressed into by force in the installing hole of conductive plate by copper post, unnecessary material is made to be expressed in material extrusion groove, thus reach the object of rivet clasp, so just can be implemented in the installation base of all outstanding outer surface of conductive plate two end faces, but because this structure must by the installing hole of conductive plate, thus can only be the structure that large, little, and the ability of its anti shock and vibration is poor, in the occasion of band vibration, use the risk having inefficacy; The contact area of copper post and conductive plate (being equivalent to the first conductive plate in the application) is little in addition, and temperature rise is higher.
Utility model content
Technical problem to be solved in the utility model is that existing composite bus bar middle connecting terminal adopts gear hobbing snap riveting pressure mode to install, cause its anti shock and vibration ability, with copper post and the first conductive plate contact-making surface little, cause the problem that temperature rise raises, thus provide a kind of structure more rational composite bus bar, this composite bus bar middle connecting terminal has very strong anti-vibration ability, large with the first conductive plate contact-making surface, effectively controls temperature rise.
The technical scheme realizing the utility model object is:
A kind of composite bus bar, comprises conductive plate, insulation board and binding post;
Described conductive plate comprises sequentially folded the first conductive plate, the second conductive plate and the 3rd conductive plate established, and is provided with described insulation board between described first conductive plate and described second conductive plate and between described second conductive plate and described 3rd conductive plate;
Described first conductive plate is provided with the first location hole for arranging described binding post, and described second conductive plate, described 3rd conductive plate and described insulation board and the positive contraposition of described first location hole install the second location hole for arranging described binding post;
Described binding post comprises the copper post and copper sheathing of being located at described first conductive plate both sides respectively; The little head end of described copper post is through described first location hole and the copper sheathing interference fit be located in described second location hole, the medial surface of the stub end of described copper post is close to a side of described first conductive plate, the medial surface of described copper sheathing is close to the another side of described first conductive plate, is provided with electric clearance between the outer wall of described copper sheathing and the hole wall of described second location hole.
In technique scheme, the external diameter of little the inner be oppositely arranged with described outer end thereon of external diameter of the outer end of described copper sheathing, and described outer end and described the inner are by chamfered transition, and described inclined-plane is positioned at described second location hole.
In technique scheme, the axially extending bore on described copper post is notch cuttype through hole.
In technique scheme, between described first conductive plate and described second conductive plate and between described second conductive plate and described 3rd conductive plate, be provided with air gap.
The utility model has positive effect:
(1) in composite bus bar of the present utility model, described binding post comprises the copper post and copper sheathing of being located at described first conductive plate both sides respectively, and copper post and described copper sheathing adopt interference riveting mode to coordinate, so just effectively can strengthen the anti-vibration ability of binding post, in addition, the medial surface of the stub end of described copper post and a side of the first conductive plate are close to, the medial surface of described copper sheathing and the another side of the first conductive plate are close to, so just make the contact area of binding post and the first conductive plate larger, effectively can control temperature rise; Ensure that electric property is stablized and safety by arranging electric clearance.
(2) in composite bus bar of the present utility model, the external diameter of little the inner be oppositely arranged with described outer end thereon of external diameter of the outer end of described copper sheathing, and described outer end and described the inner are by chamfered transition, and described inclined-plane is positioned at described second location hole; By adopting this structure effectively can increase groove width, extending electric creepage distance, to meet electric safety requirement, improving the reliability of product.
(3) in composite bus bar of the present utility model, the axially extending bore on described copper post is notch cuttype through hole, by adopting this structure, bolt head can be avoided to exceed mounting plane, making installing space more compact, can reduce cabinet volume further.
(4) in composite bus bar of the present utility model, air gap is provided with between described first conductive plate and described second conductive plate and between described second conductive plate and described 3rd conductive plate, by adopting this structure, just can need to design certain surface creepage distance, the ability that more efficiently improving product is used safely under harsh pollutional condition according to side circuit.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of existing composite bus bar;
Fig. 2 is the structural representation of composite bus bar of the present utility model.
Reference numeral shown in figure is: 1-insulation board; 2-first conductive plate; 21-first location hole; 3-second conductive plate; 4-the 3rd conductive plate; 5-second location hole; 6-copper post; The little head end of 61-; 62-stub end; 7-copper sheathing; 71-outer end; 72-is inner; 73-inclined-plane; 8-air gap.
Embodiment
Do to illustrate below in conjunction with the concrete structure of Figure of description to composite bus bar of the present utility model:
A kind of composite bus bar, comprises conductive plate, insulation board 1 and binding post; Described conductive plate comprises the first conductive plate 2, second conductive plate 3 and the 3rd conductive plate 4 sequentially folding and establish, is provided with described insulation board 1 between described first conductive plate 2 and described second conductive plate 3 and between described second conductive plate 3 and described 3rd conductive plate 4; Described first conductive plate 2 is provided with the first location hole 21 for arranging described binding post, and described second conductive plate 3, described 3rd conductive plate 4 and described insulation board 1 installs the second location hole 5 for arranging described binding post with the positive contraposition of described first location hole 21; Described binding post comprises the copper post 6 and copper sheathing 7 of being located at described first conductive plate 2 both sides respectively; The little head end 61 of described copper post 6 is through described first location hole 21 and copper sheathing 7 interference fit be located in described second location hole 5, the medial surface of the stub end 62 of described copper post 6 is close to a side of described first conductive plate 2, the medial surface of described copper sheathing 7 is close to the another side of described first conductive plate 2, is provided with electric clearance between the outer wall of described copper sheathing 7 and the hole wall of described second location hole 5.In the composite bus bar of the present embodiment, described binding post comprises the copper post 6 and copper sheathing 7 of being located at described first conductive plate 2 both sides respectively, and copper post 6 and described copper sheathing 7 adopt interference riveting mode to coordinate, so just effectively can strengthen the anti-vibration ability of binding post, in addition, the medial surface of the stub end 62 of described copper post 6 and a side of the first conductive plate 2 are close to, the medial surface of described copper sheathing 7 and the another side of the first conductive plate 2 are close to, so just make the contact area of binding post and the first conductive plate 2 larger, effectively can control temperature rise; Ensure that electric property is stablized and safety by arranging electric clearance.
In the present embodiment, the external diameter of little the inner 72 be oppositely arranged with described outer end 71 thereon of external diameter of the outer end 71 of described copper sheathing 7, and inclined-plane 73 transition is passed through with described inner 72 in described outer end 71, and described inclined-plane 73 is positioned at described second location hole 5.By adopting this structure effectively can increase groove width, extending electric creepage distance, to meet electric safety requirement, improving the reliability of product.
In the present embodiment, the axially extending bore 63 on described copper post 6 is notch cuttype through hole, by adopting this structure, bolt head can be avoided to exceed mounting plane, making installing space more compact, can reduce cabinet volume further.
Air gap 8 is provided with between described first conductive plate 2 and described second conductive plate 3 and between described second conductive plate 3 and described 3rd conductive plate 4, as seen from the figure, the described air gap of the present embodiment is arranged on insulation board 1, by adopting said structure, just can need to design certain surface creepage distance, the ability that more efficiently improving product is used safely under harsh pollutional condition according to side circuit.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection range of the present utility model.
Claims (4)
1. a composite bus bar, comprises conductive plate, insulation board (1) and binding post;
Described conductive plate comprises sequentially folded the first conductive plate (2), the second conductive plate (3) and the 3rd conductive plate (4) established, and is provided with described insulation board (1) between described first conductive plate (2) and described second conductive plate (3) and between described second conductive plate (3) and described 3rd conductive plate (4);
Described first conductive plate (2) is provided with the first location hole (21) for arranging described binding post, and described second conductive plate (3), described 3rd conductive plate (4) and described insulation board (1) install the second location hole (5) for arranging described binding post with the positive contraposition of described first location hole (21);
It is characterized in that: described binding post comprises the copper post (6) and copper sheathing (7) of being located at described first conductive plate (2) both sides respectively; The little head end (61) of described copper post (6) is through described first location hole (21) and copper sheathing (7) interference fit be located in described second location hole (5), the medial surface of the stub end (62) of described copper post (6) is close to a side of described first conductive plate (2), the medial surface of described copper sheathing (7) is close to the another side of described first conductive plate (2), is provided with electric clearance between the outer wall of described copper sheathing (7) and the hole wall of described second location hole (5).
2. composite bus bar according to claim 1, it is characterized in that: the external diameter of little the inner (72) be oppositely arranged with described outer end (71) thereon of external diameter of the outer end (71) of described copper sheathing (7), and described outer end (71) and described the inner (72) are by inclined-plane (73) transition, and described inclined-plane (73) are positioned at described second location hole (5).
3. composite bus bar according to claim 1, is characterized in that: the axially extending bore (63) on described copper post (6) is notch cuttype through hole.
4. composite bus bar according to claim 1, is characterized in that: be provided with air gap (8) between described first conductive plate (2) and described second conductive plate (3) and between described second conductive plate (3) and described 3rd conductive plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535116.0U CN204190112U (en) | 2014-09-17 | 2014-09-17 | Composite bus bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535116.0U CN204190112U (en) | 2014-09-17 | 2014-09-17 | Composite bus bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190112U true CN204190112U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535116.0U Active CN204190112U (en) | 2014-09-17 | 2014-09-17 | Composite bus bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204827A (en) * | 2018-05-02 | 2021-01-08 | 莱德爱邦德国际股份有限公司 | Coupling unit attached to a composite plate |
| CN112909611A (en) * | 2021-01-19 | 2021-06-04 | 顺科智连技术股份有限公司 | Female arranging of grafting |
-
2014
- 2014-09-17 CN CN201420535116.0U patent/CN204190112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204827A (en) * | 2018-05-02 | 2021-01-08 | 莱德爱邦德国际股份有限公司 | Coupling unit attached to a composite plate |
| CN112909611A (en) * | 2021-01-19 | 2021-06-04 | 顺科智连技术股份有限公司 | Female arranging of grafting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |