CN201576852U

CN201576852U - Busbar composite bending structure

Info

Publication number: CN201576852U
Application number: CN2009202596292U
Authority: CN
Inventors: 绍国平; 张强; ***; 王亮军; 胡刚
Original assignee: Zhuzhou CSR Times Electric Co Ltd
Current assignee: Zhuzhou CRRC Times Electric Co Ltd
Priority date: 2009-12-11
Filing date: 2009-12-11
Publication date: 2010-09-08
Anticipated expiration: 2019-12-11

Abstract

The utility model relates to a busbar composite bending structure, which comprises an insulating layer, a conducting layer and a bonding layer. The insulating layer and the conducting layer are bonded and composited by the bonding layer. The conducting layer at a composite busbar bending forming position is provided with a slotted hole. The length of the slotted hole is larger than that of an arc edge at the composite busbar bending forming position. By the structure of the utility model, the arc edge of a composite busbar cannot deform in the forming process of the composite busbar and the bending size after a conductor is composited can be effectively guaranteed so as to make the structure of the busbar more compact and be more beneficial for space utilization of the composite busbar.

Description

The compound bending structure of a kind of busbar

Technical field

The utility model relates to a kind of bending structure of composite bus bar, especially a kind of compound bending busbar structure that is applied to improve the distortion of composite bus bar conductor moulding place circular hole.

Background technology

Composite bus bar, be that a kind of multi-layer compound structure connects busbar, have and to repeat electric property, compound anti-, anti-interference, good reliability, save the space, connecting structure for electrical equipment parts between the power model of characteristics such as assembling is succinct quick, be widely used in electric power and mix traction, electric traction equipment, the cellular based communication base station, telephone switching system, catenet equipment, big-and-middle-sized computer, the power switch system, welding system, ship power supply, the military equipment system, energy resource system, in the power conversion module of aspects such as electrical equipment, as one of critical component of power model, for the development of Semiconductor Converting Technology provides necessary guarantee, represented power device to connect the direction of new technology.But prior art causes the compact dimensions deviation during in processing and forming, if conductor has circular hole or breach at the moulding position, existing circular hole to draw high metaboly during moulding at composite bus bar.Frequent because its compact dimensions compactness in the actual design course of processing of composite bus bar, if moulding place is porose or other breach can't be avoided being molded on its edge because of compact dimensions, hole, edge and breach can be out of shape thereupon during moulding, uncontrollable compact dimensions, often be easy to cause dimensional discrepancy, be difficult to satisfy the compact dimensions requirement, even destroy insulation system; So just have to increase the composite bus bar size design, be unfavorable for the requirement of its compact conformation.

The utility model content

The purpose of this utility model is the deficiency at existing composite bus bar structure, provides a kind of by changing the molding structure of composite bus bar forming part circle of position pore structure, thereby does not have the purpose of circular arc limit distortion during the composite bus bar moulding that reaches.

According to the utility model, above-mentioned technical problem realizes by following technical proposals:

The compound bending structure of a kind of busbar, comprise insulating barrier, conductive layer and tack coat, compound between insulating barrier and the conductive layer by the tack coat bonding, conductive layer at the bending and molding position of composite bus bar has long slot bore, and the length dimension of long slot bore is greater than the length on circular arc limit, composite bus bar bending and molding place.

As further execution mode, composite bus bar is according to the successively superimposed arrangement of order of insulating barrier one, tack coat one, negative conductive layer, tack coat two, insulating barrier two, tack coat three, positive conductive layer, tack coat four and insulating barrier three.

As further execution mode, the circular arc limit of the perforate of conductive layer near but be not in the bending and molding position.

As further execution mode, the centre position of long slot bore is positioned at the bending and molding position of composite bus bar.

As further execution mode, long slot bore further is a waist shape long slot bore.

As further execution mode, the long slot bore of the conductive layer at the bending and molding position of composite bus bar is positioned at the positive conductive layer at the bending and molding position of composite bus bar.

As alternative execution mode, the long slot bore of the conductive layer at the bending and molding position of composite bus bar is positioned at the negative conductive layer at the bending and molding position of composite bus bar.

As alternative execution mode, the long slot bore of the conductive layer at the bending and molding position of composite bus bar is positioned at the positive conductive layer and the negative conductive layer at the bending and molding position of composite bus bar.

By using the described structure of this kind execution mode, the long slot bore shape is processed at the position that conductive layer is positioned at bending and molding, the two conductive layers lamination is compound, carry out bending and molding processing again, such composite bus bar does not have the distortion of circular arc limit when moulding, can effectively guarantee the bending size of conductor after compound, make the structure of busbar compact more, be more conducive to the space utilization of composite bus bar.

Description of drawings

Fig. 1 is the front view according to the compound bending structural representation of the utility model busbar;

Fig. 2 is that A-A according to the compound bending structural representation of the utility model busbar is to cutaway view;

Fig. 3 is according to the local enlarged diagram of the compound bending structure C of the utility model busbar part;

Fig. 4 is according to the local enlarged diagram of the compound bending structure of the utility model busbar B part;

Fig. 5 is the stereogram according to the compound bending structural representation of the utility model busbar;

Fig. 6 is according to the local enlarged diagram of the compound bending structure of the utility model busbar D part;

Wherein: 1-composite bus bar, 2-perforate, 3-bending and molding position, 4-long slot bore, 51-tack coat one, 52-tack coat two, 53-tack coat three, 54-tack coat four, 61-insulating barrier one, 62-insulating barrier two, 63-insulating barrier three, 71-bears conductive layer, the positive conductive layer of 72-, R-circular arc edge lengths.

Embodiment:

Accompanying drawing has provided specific embodiment of the utility model, below will the utility model will be further described by drawings and Examples.

As a kind of preferred implementation of the compound bending structure of this busbar, as Fig. 1, Fig. 2 and the compound bending structure of a kind of busbar shown in Figure 5, comprise insulating barrier, conductive layer and tack coat, compound between insulating barrier and the conductive layer by the tack coat bonding, conductive layer at 3 places, bending and molding position of composite bus bar 1 has long slot bore 4, and the length dimension of long slot bore 4 is greater than the circular arc edge lengths at composite bus bar 1 bending and molding place.

As Fig. 3, Fig. 4 and shown in Figure 6, composite bus bar 1 carries out the plane lamination according to the successively superimposed arrangement of order of insulating barrier 1, tack coat 1, negative conductive layer 71, tack coat 2 52, insulating barrier 2 62, tack coat 3 53, positive conductive layer 72, tack coat 4 54 and insulating barrier 3 63.The structure that is composite bus bar comprises three-layer insulated layer and two-layer conductor, and it is compound to bond by tack coat between each layer.

The conductive layer of composite bus bar 1 can be two-layer copper coin, forms positive conductive layer 72 and negative conductive layer 71.Be about to two-layer copper coin and insulating barrier and carry out bending and molding processing by boning after compound again.The composite bus bar 1 that can split the planar structure behind long slot bore and the lamination like this is molded into any angle, and the three-dimensional structure of other shape.The circular arc limit of the perforate 2 of conductive layer near but be not in the bending and molding position.

The long slot bore 4 of the conductive layer at the bending and molding position of composite bus bar can be positioned at the positive conductive layer 72 at composite bus bar 1 bending and molding position 3, perhaps be positioned at the negative conductive layer 71 at composite bus bar 1 bending and molding position 3, perhaps be positioned at the positive conductive layer 72 and the negative conductive layer 71 at composite bus bar 1 bending and molding position 3 simultaneously.As shown in Figure 2, perforate 2 near composite bus bar 1 bending and molding position 3 is arranged in negative conductive layer 71, then both can be in positive conductive layer 72 cutting elongated groove hole 4, also can be in negative conductive layer 71 cutting elongated groove hole 4, also can be simultaneously in negative conductive layer and conductive layer 72 just cutting elongated groove hole 4.Long slot bore 4 further is a waist shape long slot bore.

Under the prerequisite that does not influence composite bus bar 1 electric conductivity, by the bending part that perforate 2 places are arranged at conductive layer long slot bore is set, conductive layer perforate 2 circular arc limits have been avoided in moulding place, this process structure can make the more close shaping position of the connecting hole of composite bus bar 1, make structure compact more, can effectively solve insulation property and destroy problem and compact dimensions offset issue, the size after the moulding meets the demands and is more conducive to the space utilization of composite bus bar.

As a kind of more excellent execution mode, the centre position of long slot bore 4 is positioned at the bending and molding position of composite bus bar 1.

Though described execution mode of the present utility model in conjunction with the accompanying drawings, those of ordinary skill in the art can make various distortion or modification within the scope of the appended claims.

Claims

1. compound bending structure of busbar, comprise insulating barrier, conductive layer and tack coat, compound between insulating barrier and the conductive layer by the tack coat bonding, it is characterized in that, conductive layer at composite bus bar (1) bending and molding position (3) has long slot bore (4), and the length dimension of long slot bore (4) is greater than the length on circular arc limit, composite bus bar (1) bending and molding place.

2. the compound bending structure of a kind of busbar according to claim 1, it is characterized in that composite bus bar (1) is according to the successively superimposed arrangement of order of insulating barrier one (61), tack coat one (51), negative conductive layer (71), tack coat two (52), insulating barrier two (62), tack coat three (53), positive conductive layer (72), tack coat four (54) and insulating barrier three (63).

3. the compound bending structure of a kind of busbar according to claim 2 is characterized in that, the circular arc limit of the perforate of conductive layer (2) near but be not in the bending and molding position.

4. the compound bending structure of a kind of busbar according to claim 3 is characterized in that: the centre position of long slot bore (4) is positioned at the bending and molding position of composite bus bar (1).

5. the compound bending structure of a kind of busbar according to claim 4 is characterized in that: described long slot bore (4) is a waist shape long slot bore.

6. according to the compound bending structure of the described a kind of busbar of arbitrary claim in the claim 1 to 5, it is characterized in that: the long slot bore of described conductive layer (4) is positioned at the positive conductive layer (72) at composite bus bar (1) bending and molding position (3).

7. according to the compound bending structure of the described a kind of busbar of arbitrary claim in the claim 1 to 5, it is characterized in that: the long slot bore of described conductive layer (4) is positioned at the negative conductive layer (71) at composite bus bar (1) bending and molding position (3).

8. according to the compound bending structure of the described a kind of busbar of arbitrary claim in the claim 1 to 5, it is characterized in that: the long slot bore of described conductive layer (4) is positioned at the positive conductive layer (72) and the negative conductive layer (71) at composite bus bar (1) bending and molding position (3).