CN215933768U

CN215933768U - Wire harness board assembly and battery pack

Info

Publication number: CN215933768U
Application number: CN202122449298.2U
Authority: CN
Inventors: 支本丰; 张璐璐
Original assignee: CALB Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-01
Anticipated expiration: 2031-10-12

Abstract

The application relates to the technical field of batteries, in particular to a wiring harness board assembly and a battery pack, wherein the wiring harness board assembly comprises two layers of insulating structures and a fixed support; the two layers of insulation structures are arranged at intervals up and down; the fixing support is at least partially arranged between the two layers of insulating structures and provided with a first through hole, and the fixing support is used for fixing the conducting bar in the first through hole. Through the structure design, the wire harness board assembly provided by the application has higher overall strength, and can avoid the conductive bar from moving between the insulating structures to form a string position, thereby avoiding the welding offset phenomenon, and being beneficial to improving the welding yield of the conductive bar and the pole assembly.

Description

Wire harness board assembly and battery pack

Technical Field

The application relates to the technical field of batteries, in particular to a wiring harness board assembly and a battery pack.

Background

The existing power battery system adopts a hot-pressing scheme to process the wire harness assembly, and the hot-pressing wire harness assembly is not positioned by a wire harness plate, so that the wire harness assembly has positioning deviation when the pole assembly is welded, and the welding track of the pole assembly has deviation or the welding area cannot guarantee the product demand. In addition, due to lack of fixation of the wiring harness plate, the cover plate is easy to have a position deviation phenomenon when being pasted, rework and correction are needed, labor hours are consumed, and production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

It is a primary object of the present application to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a wire harness board assembly that enables accurate positioning of a conductive bar and a battery.

In order to achieve the purpose, the following technical scheme is adopted in the application:

according to one aspect of the present application, there is provided a wire harness plate assembly, wherein the wire harness plate assembly comprises two layers of insulating structures and a fixing support; the two layers of insulation structures are arranged at intervals up and down; the fixed support is at least partially arranged between the two layers of insulating structures and provided with a first through hole, and the fixed support is used for fixing the conducting bar in the first through hole.

Another primary object of the present application is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a battery pack with accurate positioning of the conductive bars and the batteries, less post-correction procedures, and higher production efficiency.

according to an aspect of the present application, there is provided a battery pack, wherein the battery pack includes the wire harness board assembly set forth in the present application.

According to the technical scheme, the advantage and the positive effect of pencil board subassembly and group battery that this application provided lie in:

the utility model provides a pencil board subassembly contains two-layer insulation system and at least part sets up the fixing support between two-layer insulation system, and fixing support is provided with first through-hole to supply to lead the electrical drainage to be fixed in the first through-hole. Through the structure design, the wire harness board assembly provided by the application has higher overall strength, and can avoid the conductive bar from moving between the insulating structures to form a string position, thereby avoiding the welding offset phenomenon, and being beneficial to improving the welding yield of the conductive bar and the pole assembly.

Drawings

Various objects, features and advantages of the present application will become more apparent from the following detailed description of preferred embodiments thereof, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the application and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic structural view of a wiring harness board assembly shown in accordance with an exemplary embodiment;

FIG. 2 is a perspective view of the stationary pedestal shown in FIG. 1;

FIG. 3 is a perspective view of a mounting bracket of a wiring harness plate assembly shown in accordance with another exemplary embodiment;

fig. 4 is a schematic perspective view of a battery pack according to an exemplary embodiment;

fig. 5 is a plan view of a partial structure of the battery pack shown in fig. 4;

fig. 6 is a partial side view of a partial structure of the battery pack shown in fig. 4;

FIG. 7 is an enlarged view of portion B of FIG. 5;

fig. 8 is an enlarged view of a portion a in fig. 4.

The reference numerals are explained below:

111. an insulating structure;

112. an insulating structure;

120. a fixed support;

121. a first through hole;

122. a limiting part;

123. a connecting portion;

124. a body portion;

125. a fixed part;

126. a second through hole;

200. a cover plate;

210. a connecting structure;

300. a conductive bar;

400. a battery;

410. the utmost point post subassembly.

Detailed Description

Exemplary embodiments that embody features and advantages of the present application are described in detail below in the specification. It is to be understood that the present application is capable of various modifications in various embodiments without departing from the scope of the application, and that the description and drawings are to be taken as illustrative and not restrictive in character.

In the following description of various exemplary embodiments of the present application, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration various exemplary structures, systems, and steps in which aspects of the application may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present application. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the application, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this application.

Referring to fig. 1, a schematic structural view of a wire harness plate assembly proposed in the present application is representatively illustrated. In the exemplary embodiment, the wiring harness board assembly proposed in the present application is described by way of example as applied to a power battery system. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to apply the relevant designs of the present application to other types of battery devices, and still be within the principles of the harness plate assembly set forth herein.

As shown in fig. 1, in the present embodiment, the wire harness board assembly proposed by the present application includes two layers of insulating

structures

111, 112 and a fixing bracket 120. Referring to fig. 2, a perspective view of the fixing support 120 is representatively illustrated in fig. 2. The structure, connection manner and functional relationship of the main components of the wire harness board assembly proposed in the present application will be described in detail below with reference to the above drawings.

As shown in fig. 1 and 2, in the present embodiment, two layers of insulating

structures

111, 112 are arranged at intervals up and down. The fixing support 120 is at least partially disposed between the two layers of insulating

structures

111 and 112, the fixing support 120 is provided with a first through hole 121, and the fixing support 120 can fix the conductive bar of the battery pack in the first through hole 121 to form a limiting effect. Through the structure design, the pencil board subassembly that this application provided has higher bulk strength to can avoid conductive row to remove the cluster position between

insulation system

111, 112, realize the dual location of hot pressing subassembly and group battery apron, reduce the pencil board subassembly and have positioning deviation when utmost point post welding, guarantee that utmost point post welding track is normal and welding area satisfies the product demand, thereby avoid producing the welding skew phenomenon, be favorable to improving the welding yield of conductive row with utmost point post subassembly.

In the present embodiment, the two insulating

structures

111, 112 may be insulating films, respectively. In some embodiments, one of the two insulating

structures

111 and 112 may be an insulating film, and the other insulating structure may be another insulating member, or both the two insulating

structures

111 and 112 may be other insulating members, and the two insulating

structures

111 and 112 may be the same or different.

As shown in fig. 2, in the present embodiment, the fixing holder 120 may be provided with a limiting portion 122, the limiting portion 122 protrudes downward from the insulating structure 112 of the lower layer, and the fixing holder 120 can be fixed to the outer circumference of the pole assembly of the battery pack through the limiting portion 122. Through above-mentioned structural design, spacing portion 122 can realize fixing the utmost point post subassembly, avoids leading the welding position between electrical drainage and the utmost point post subassembly to produce the skew, avoids bad production of welding such as rosin joint or welding to wear. This application can carry on spacingly through fixing support 120's spacing portion 122 to the position of utmost point post subassembly to improve and lead electrical drainage and utmost point post subassembly's accurate positioning, further improve and lead electrical drainage and utmost point post subassembly's welding yield.

As shown in fig. 2, in the present embodiment, the stationary holder 120 may be provided with a connection part 123, the connection part 123 protruding upward from the insulating structure 111 of the upper layer, and the stationary holder 120 may be connected to the cover plate of the battery pack through the connection part 123. Through above-mentioned structural design, this application can realize through fixing support 120's connecting portion 123 that the apron of battery is fixed with being connected of battery module, further strengthens the joint strength of product structure.

As shown in fig. 3, in some embodiments, the fixing holder 120 may include a body portion 124 and a fixing portion 125. Specifically, the first through hole 121 of the fixing holder 120 may be provided to the body part 124. The fixing portion 125 is connected to the main body 124, and the fixing portion 125 is provided with a second through hole 126, and the fixing portion 125 can be provided with a temperature sensor in the second through hole 126. Through above-mentioned structural design, this application can set up temperature sensor through the second through-hole 126 of fixed part 125 for fixing support 120 further realizes temperature sensor's the function of arranging on the basis of the function that provides the electrically conductive row position of location, strengthens the structural wholeness of product, simplifies the structure complexity.

As shown in fig. 3, based on the structural design of the fixing support 120 including the body portion 124 and the fixing portion 125, in some embodiments, the fixing portion 125 may be closer to the lower insulating structure 112 than the body portion 124. In other words, when the wire harness board assembly provided by the present application is applied to a battery pack, the fixing portion 125 of the fixing support 120 is closer to the battery than the body portion 124, so that the temperature sensor disposed in the second through hole 126 is closer to the battery, and the temperature sensor can acquire temperature information of the battery more accurately and sensitively. In some embodiments, depending on the different structural types of the battery pack, the fixing portion 125 may be substantially flush with the main body 124 in the height direction, or may be farther from the lower insulating structure 112 than the main body 124, which is not limited to this.

In this embodiment, the fixing support 120 and the insulating

structures

111 and 112 may be bonded by using thermosetting adhesive.

It should be noted herein that the wiring harness panel assemblies shown in the drawings and described in the present specification are only a few examples of the wide variety of wiring harness panel assemblies that can employ the principles of the present application. It should be clearly understood that the principles of the present application are in no way limited to any of the details or any components of the wiring harness panel assembly shown in the drawings or described in the specification.

Based on the above detailed description of several exemplary embodiments of the wire harness plate assembly proposed by the present application, an exemplary embodiment of the battery pack proposed by the present application will be described below.

Referring to fig. 4, a schematic perspective view of the battery pack according to the present application is representatively illustrated. In this exemplary embodiment, the battery pack proposed in the present application is explained by taking a power battery system as an example. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to apply the relevant designs of the present application to other types of battery devices, and such changes are within the scope of the principles of the battery pack as set forth herein.

As shown in fig. 4, in the present embodiment, the battery pack proposed by the present application includes a cap plate 200, a battery 400, a conductive bar 300, and a temperature sensor. Referring to fig. 5 to 8 in combination, fig. 5 representatively illustrates a top view of a partial structure of a battery pack; fig. 6 is a partial side view representatively illustrating a partial structure of a battery pack; fig. 7 representatively illustrates an enlarged view of portion B of fig. 5, particularly illustrating an assembly of the conductive bar 300 with the stationary support 120; fig. 8 representatively illustrates an enlarged view of a portion a in fig. 4, particularly illustrating an assembly view of the cover plate 200 and the stationary bracket 120. The structure, connection manner and functional relationship of each main component of the battery pack proposed in the present application will be described in detail below with reference to the above drawings.

As shown in fig. 4 to 8, in the present embodiment, the battery pack proposed by the present application further includes the wire harness board assembly proposed by the present application and described in detail in the above-described embodiments. The fixed support 120 is located substantially corresponding to the pole assembly 410 of the battery 400, and the conductive bar 300 is fixed in the first through hole 121 of the fixed support 120 and is welded to the pole assembly 410. The upper insulating structure 111 is located between the cover plate 200 and the fixed support 120, and serves to provide an insulating function between the cover plate 200 and the fixed support 120 and the conductive bar 300. The lower insulating structure 112 is located between the battery 400 and the fixed support 120, and is used to provide an insulating function between the battery 400 and the fixed support 120 and the conductive bar 300, except for the welding connection 123 between the conductive bar 300 and the pole assembly 410. Through the structural design, the battery pack provided by the application provides the wiring harness board assembly provided by the application, the conductive bar 300 can be prevented from moving between the insulating

structures

111 and 112 to form a string position, the welding offset phenomenon is avoided, and the welding yield of the conductive bar 300 and the pole assembly 410 is higher.

As shown in fig. 6 to 8, in the present embodiment, the fixing holder 120 is provided with a connection portion 123, and the connection portion 123 protrudes upward from the upper insulating structure 111. On this basis, the cover plate 200 may be provided with a connection structure 210, and the fixing holder 120 and the cover plate 200 may be connected with the connection structure 210 through the connection portion 123. Through the structural design, the connecting structure 210 is arranged on the cover plate 200, so that the connecting strength of the cover plate 200 and the fixed support 120 is further enhanced, and the convenience and the accuracy of connection can be optimized.

As shown in fig. 8, based on the structural design that the cover plate 200 is provided with the connection structure 210, in the present embodiment, the connection portion 123 of the fixing support 120 may be a snap protrusion, and the connection structure 210 of the cover plate 200 may be a through hole. Accordingly, the engaging protrusion engages with the through hole, so that the fixing support 120 can be detachably engaged with the cover plate 200, i.e., the cover plate 200 can be assembled in the battery pack. In some embodiments, for example, the connection structure 210 of the cover plate 200 may be a slot. Alternatively, the connecting portion 123 of the fixing support 120 may be a through hole or a slot, and the connecting structure 210 of the cover plate 200 may also be a fastening protrusion. In other words, in various possible embodiments according to the design concept of the present application, one of the connection portion 123 and the connection structure 210 may be a snap protrusion, and the other may be a through hole or a snap groove, and the fixing support 120 and the cover plate 200 are snap-connected to the connection structure 210 through the connection portion 123. Of course, in some embodiments, the assembly of the cover plate 200 in the battery pack may be implemented by other structures, and is not limited to the structure design connected with the fixing support 120.

As shown in fig. 4, in the present embodiment, the fixing bracket 120 may be disposed at an end of the battery pack, and accordingly, the fixing bracket 120 can be used to fix the conductive bar 300 at the end of the battery pack in the first through hole 121, thereby positioning the conductive bar 300 with the pole assembly 410 of the battery 400 at the end of the battery pack.

In this embodiment, the battery pack proposed in the present application may be a battery module or a battery 400 pack.

It should be noted herein that the battery packs shown in the drawings and described in this specification are only a few examples of the many types of battery packs that can employ the principles of the present application. It should be clearly understood that the principles of the present application are in no way limited to any of the details or any components of the battery pack shown in the drawings or described in the present specification.

In summary, the wire harness board assembly proposed in the present application includes two layers of insulating

structures

111 and 112 and a fixing support 120 at least partially disposed between the two layers of insulating

structures

111 and 112, wherein the fixing support 120 is provided with a first through hole 121 for fixing the conductive bar 300 in the first through hole 121. Through the structural design, the wire harness board assembly provided by the application has higher overall strength, and can avoid the electric conduction bar 300 from moving between the insulating

structures

111 and 112 to form a string position, thereby avoiding the welding offset phenomenon, and being beneficial to improving the welding yield of the electric conduction bar 300 and the pole assembly 410.

Exemplary embodiments of a wire harness plate assembly and a battery pack as set forth in the present application are described and/or illustrated in detail above. The embodiments of the present application are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the present disclosure has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims

1. A wiring harness board assembly, comprising:

two layers of insulation structures which are arranged at intervals up and down; and

and the fixed support is at least partially arranged between the two layers of insulating structures and is provided with a first through hole, and the fixed support is used for fixing the conducting bar in the first through hole.

2. The wire harness board assembly according to claim 1, wherein at least one of the two layers of insulation structure is an insulating film.

3. The wire harness board assembly according to claim 1, wherein the fixing bracket is provided with a limiting portion which protrudes downward from the insulating structure of the lower layer for fixing to the outer circumference of the post assembly of the battery.

4. The wire harness board assembly according to claim 1, wherein the fixing bracket is provided with a connecting portion protruding upward from the insulating structure of the upper layer for connection to the cover plate.

5. The wire harness plate assembly of claim 1, wherein the fixed mount comprises:

a body portion, the first through hole being provided in the body portion; and

the fixing part is connected with the body part and provided with a second through hole, and the fixing part is used for arranging the temperature sensor in the second through hole.

6. The wire harness board assembly according to claim 5, wherein the fixing portion is closer to the insulating structure of the lower layer than the body portion.

7. A battery pack characterized by comprising the wire harness board assembly according to any one of claims 1 to 6.

8. The battery pack according to claim 7, wherein the fixing support is provided with a connection portion protruding upward from the insulating structure of the upper layer; the cover plate of the battery pack is provided with a connecting structure, and the fixed support is connected with the cover plate through a connecting part and the connecting structure.

9. The battery pack according to claim 8, wherein one of the connecting portion and the connecting structure is a fastening protrusion, the other is a through hole or a fastening groove, and the fixing support and the cover plate are fastened to the connecting structure through the connecting portion.

10. The battery pack of claim 7, wherein the fixing bracket is disposed at an end of the battery pack, and the fixing bracket is used for fixing the conductive bar at the end of the battery pack in the first through hole.

11. The battery pack according to claim 7, wherein the battery pack is a battery module or a battery pack.