CN217158497U

CN217158497U - Copper bar fixing structure and battery pack

Info

Publication number: CN217158497U
Application number: CN202220589045.7U
Authority: CN
Inventors: 王咸进; 程志刚; 牟越
Original assignee: Sunwoda Electric Vehicle Battery Co Ltd
Current assignee: Xinwangda Power Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-09
Anticipated expiration: 2032-03-17

Abstract

The application discloses a copper bar fixing structure and a battery pack, wherein the copper bar fixing structure comprises a fixing buckle; the copper bar fixing frame is of a plate-shaped structure and comprises a bracket body, a fixing plate and a mounting plate, wherein the fixing plate is connected to the top of the bracket body and extends towards one side of the bracket body, and the mounting plate is connected to the bottom of the bracket body and extends towards one side of the bracket body; wherein the fixing buckle is fixedly connected to the fixing plate. This application now can fix the copper bar, can fix the pencil again, when providing the utilization ratio that improves copper bar fixed knot structure, still guaranteed copper bar fixed knot to construct's rigidity.

Description

Copper bar fixing structure and battery pack

Technical Field

The application relates to the technical field of power batteries, in particular to a copper bar fixing structure and a battery pack.

Background

In power automobile's battery package, need use the copper bar to couple together a plurality of battery modules, in the actual connection process, receive the battery module mode of arranging, the influence of laying the position of electricity connection pencil, high voltage distribution box and low voltage connector etc. can have the possibility that a plurality of battery modules need be strideed across to single copper bar in the battery package, so, the fixed of copper bar just seems crucial.

In current battery package, pencil and copper bar need set up solitary fixed bolster when being connected with the battery module, perhaps do not set up the fixed bolster and make pencil and copper bar lug connection on the battery module, lead to here pencil and copper bar set up connection stability and joint strength and hardly guarantee, exist and improve the space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a copper bar fixed knot constructs and battery package to solve the relatively poor, the weaker technical problem of joint strength of connection stability of pencil and copper bar that is used for connecting the battery module.

In order to achieve the above object, the utility model provides a copper bar fixed knot constructs, include: fixing the buckle; the copper bar fixing frame is of a plate-shaped structure and comprises a bracket body, a fixing plate and a mounting plate, wherein the fixing plate is connected to the top of the bracket body and extends towards one side of the bracket body, and the mounting plate is connected to the bottom of the bracket body and extends towards one side of the bracket body; wherein the fixing buckle is fixedly connected to the fixing plate.

Further, the fixing plate comprises a first connecting portion and a second connecting portion, one end of the first connecting portion is connected to the top of the bracket body, and the other end of the first connecting portion is connected to the second connecting portion.

Further, the first connecting portion and the second connecting portion are provided with more than two fixing holes for fixing the fixing buckle.

Further, the copper bar fixed knot construct still include: the copper bar is fixedly connected to the first connecting part through the fixing buckle; and a wire harness fixedly connected to the second connection part by the fixing buckle.

Further, the bracket body, the fixing plate and the mounting plate are integrally formed in a bending mode.

Further, the support body is provided with more than two openings which are arranged at intervals.

Furthermore, the fixing plate is provided with more than two operation openings, the mounting plate is provided with more than two mounting holes, the operation openings and the mounting holes are oppositely arranged, and a fastener penetrates through the operation openings and is connected to the mounting holes.

Furthermore, more than two operation openings are arranged on the fixing plate at intervals, and the operation openings are recessed in the bracket body.

In order to achieve the above object, the present invention also provides a battery pack, including: a mounting frame; as mentioned above, the copper bar fixing structure is fixed on the mounting rack; and the battery module is arranged on the mounting frame, and the copper bar fixing structure is adjacent to the battery module.

Further, the battery pack further comprises: the cover body is detachably mounted to the mounting frame.

In one embodiment of the above, the present invention has the following effects: copper bar fixed knot constructs now can fix the copper bar, can fix the pencil again, when providing the improvement copper bar fixed knot structure utilization ratio, still guaranteed copper bar fixed knot structure's rigidity.

In one embodiment of the above, the present invention has the following effects: copper bar fixed knot constructs make full use of the clearance between the battery module and sets up the copper bar mount, retrains the copper bar in the position of the first connecting portion of the fixed plate of copper bar mount, the effectual installation stability and the reliability that have improved the copper bar have reduced the risk of the inside short circuit of battery package because of the fixed inefficacy of copper bar causes.

In one embodiment of the above, the present invention has the following effects: the harness connected with the battery module is restrained at the position of the second connecting part of the fixing plate of the copper bar fixing frame, so that the use reliability and the installation performance of the battery pack are improved. In addition, the copper bar mount is installed in the clearance of ingenious utilization battery module group, and the whole volume of battery package can not be because of setting up the copper bar mount and increase, agrees with mutually with the little volume development design direction of battery package.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a copper bar fixing structure provided in an embodiment of the present application.

Fig. 2 is a schematic structural view of a fixing buckle provided in the embodiment of the present application.

Fig. 3 is a schematic structural view of the copper bar fixing frame provided in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a battery pack provided in an embodiment of the present application in an open state.

Fig. 5 is a schematic structural view of a battery pack provided in an embodiment of the present application, with a cover omitted.

The components of the drawings are identified as follows:

100. a copper bar fixing structure; 11. Fixing a buckle;

12. a copper bar fixing frame; 13. Copper bars;

14. a wire harness; 15. A fixing hole;

16. a mounting frame; 17. A battery module;

18. a cover body; 111. An annular collar;

112. clamping a head; 121. A stent body;

122. a fixing plate; 123. Mounting a plate;

122a first connection portion; 122b, a second connecting part;

124. an operation port; 1210. An opening;

171. a first mounting area; 172. A second mounting area;

173. a gap region; 1230. And (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, the present embodiment provides a copper bar fixing structure 100, which includes a fixing buckle 11 and a copper bar fixing frame 12, wherein the fixing buckle 11 is fixedly connected to the copper bar fixing frame 12 to fix a copper bar 13 or a wire harness 14.

As shown in fig. 2, the fixing clip 11 includes an annular collar 111 and a chuck 112 connected to the annular collar 111. In other embodiments, the chuck 112 may be replaced with a bolt-like locking member, and is not particularly limited herein.

As shown in fig. 3, the copper bar fixing frame 12 is a plate-shaped structure, and the copper bar fixing frame 12 includes a bracket body 121, a fixing plate 122 and a mounting plate 123 that are integrally formed by bending. Wherein the fixing buckle 11 is fixedly connected to the fixing plate 122.

Specifically, the opening 1210 that two or more intervals set up is seted up to the support body 121 to reduce the material that copper bar fixed knot constructs 100 and use, and can alleviate the weight of copper bar fixed knot constructs 100, and then alleviate the weight of whole device.

The fixing plate 122 is connected to the top of the bracket body 121 and extends toward one side of the bracket body 121, and the mounting plate 123 is connected to the bottom of the bracket body 121 and extends toward one side of the bracket body 121. In one embodiment, the fixing plate 122 and the mounting plate 123 may extend to the same side or different sides of the bracket body 121. Preferably, the fixing plate 122 and the mounting plate 123 may extend to the same side of the bracket body 121, so as to save the mounting space of the copper bar fixing bracket 12 in the device.

The fixing plate 122 includes a first connecting portion 122a and a second connecting portion 122b, one end of the first connecting portion 122a is connected to the top of the bracket body 121, and the other end of the first connecting portion 122a is connected to the second connecting portion 122 b. In this embodiment, one end of the first connecting portion 122a is vertically connected to the top of the bracket body 121, and the other end of the first connecting portion 122a is vertically connected to the second connecting portion 122 b.

As shown in fig. 1 and fig. 3, the copper bar fixing structure 100 further includes a copper bar 13 and a wire harness 14, the copper bar 13 is fixedly connected to the first connecting portion 122a through a fixing buckle 11, and the wire harness 14 is fixedly connected to the second connecting portion 122b through the fixing buckle 11. The first connecting portion 122a and the second connecting portion 122b are both provided with two or more fixing holes 15, and the fixing buckle 11 is detachably mounted in the fixing hole 15 to fix the copper bar 13 or the wire harness 14.

Further, the fixing plate 122 defines two or more operation openings 124, and the mounting plate 123 defines two or more mounting holes 1230, wherein the operation openings 124 are disposed opposite to the mounting holes 1230, and a fastening member (not shown), which may be a bolt, a screw, or the like, passes through the operation openings 124 to be connected to the mounting holes 1230. In this embodiment, two or more operation ports 124 are disposed on the fixing plate 122 at intervals for interrupting the fixing plate 122. In addition, the operation opening 124 is recessed in the bracket body 121, so that the copper bar fixing structure 100 has enough operation space during the installation process, so that the fastener can fix the copper bar fixing structure 100 on other components.

In other embodiment modes, the copper bar fixing frame 12 includes a support body 121 formed by bending integrally, and the support body 121 is provided with a plurality of fixing holes matched with the fixing buckles 11, so that the copper bar 13 and the wire harness 14 are directly fixed on the support body.

As shown in fig. 4-5, the present embodiment further provides a battery pack, which includes the copper bar fixing structure 100, the mounting frame 16, the battery module 17 including a plurality of single batteries, and the cover 18.

On copper bar fixed knot constructs 100 and battery module 17 all was fixed in mounting bracket 16, copper bar fixed knot constructs 100 and borders on with battery module 17, the detachable installation to mounting bracket 16 of lid 18. When the copper bar fixing structure 100 is installed, a fastener (not shown), which may be a bolt, a screw, or the like, passes through the operation opening 124 from top to bottom and is connected to the installation hole 1230, so that the fastener finally fixes the copper bar fixing structure 100 and the installation frame 16 together.

In this embodiment, the mounting frame 16 of the battery pack is provided with two mounting areas for mounting the battery modules 17. Two or more sets of battery modules 17 are mounted in parallel in the first mounting region 171, and two or more sets of battery modules 17 are mounted in a stacked manner in the second mounting region 172. The battery modules 17 located in the first mounting region 171 and the battery modules 17 located in the second mounting region 172 need to be electrically connected through the copper bars 13. A slit area 173 is formed between the first mounting area 171 and the second mounting area 172, and the slit area 173 is provided with a copper bar fixing bracket 12 for fixing the copper bar 13. It should be noted that, since the current directions of the battery modules 17 of the first mounting region 171 and the battery modules 17 of the second mounting region 172 are different, and the battery modules 17 of the first mounting region 171 and the battery modules 17 of the second mounting region 172 need to be connected in series, the whole copper bar fixing frame 12 spans the whole gap region 173.

Therefore, in the embodiment, the copper bar fixing frame 12 is arranged by fully utilizing the gap between the battery modules 17, and the copper bar 13 is restrained at the position of the first connecting part 122a of the fixing plate 122 of the copper bar fixing frame 12, so that the mounting stability and reliability of the copper bar 13 are effectively improved, and the risk of internal short circuit of the battery pack caused by fixing failure of the copper bar 13 is reduced; the embodiment also restrains the wiring harness 14 connected with the battery module 17 at the position of the second connecting portion 122b of the fixing plate 122 of the copper bar fixing frame 12, so that the use reliability and the installation performance of the battery pack are improved. In addition, the copper bar fixing frame 12 is installed in the clearance between the battery modules 17 ingeniously, and the whole volume of the battery pack cannot be increased due to the arrangement of the copper bar fixing frame 12 and is matched with the small-volume development design direction of the battery pack.

The battery pack provided by this embodiment further includes a master control unit, a slave control unit, an electrical isolation board, a cushion pad, and other components, which are not described herein again, and reference may be made to the existing battery pack.

The copper bar fixing structure and the battery pack provided by the embodiment of the application are described in detail, specific examples are applied in the description to explain the principle and the implementation mode of the application, and the description of the embodiment is only used for helping to understand the technical scheme and the core thought of the application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. The utility model provides a copper bar fixed knot constructs which characterized in that includes:

fixing the buckle;

the copper bar fixing frame is of a plate-shaped structure and comprises a bracket body, a fixing plate and a mounting plate, wherein the fixing plate is connected to the top of the bracket body and extends towards one side of the bracket body, and the mounting plate is connected to the bottom of the bracket body and extends towards one side of the bracket body; wherein the fixing buckle is fixedly connected to the fixing plate.

2. The copper bar fixing structure as claimed in claim 1, wherein the fixing plate includes a first connecting portion and a second connecting portion, one end of the first connecting portion is connected to the top of the bracket body, and the other end of the first connecting portion is connected to the second connecting portion.

3. The copper bar fixing structure as claimed in claim 2,

the first connecting portion with the second connecting portion have all been seted up two or more fixed orificess for it is fixed buckle.

4. The copper bar fixing structure as claimed in claim 3, further comprising:

the copper bar is fixedly connected to the first connecting part through the fixing buckle; and

a wire harness fixedly connected to the second connection part by the fixing clip.

5. The copper bar fixing structure as claimed in claim 1,

the bracket body, the fixed plate and the mounting plate are integrally bent and formed.

6. The copper bar fixing structure as claimed in claim 1,

the support body is provided with more than two openings which are arranged at intervals.

7. The copper bar fixing structure as claimed in claim 1,

the fixing plate is provided with more than two operation openings, the mounting plate is provided with more than two mounting holes, the operation openings and the mounting holes are oppositely arranged, and a fastener penetrates through the operation openings and is connected to the mounting holes.

8. The copper bar fixing structure as claimed in claim 1,

more than two operation openings are arranged on the fixing plate at intervals, and the operation openings are recessed in the bracket body.

9. A battery pack, comprising:

a mounting frame;

the copper bar fixing structure as claimed in any one of claims 1 to 8, wherein the copper bar fixing structure is fixed on the mounting rack; and

the battery module is installed on the installation frame, and the copper bar fixing structure is adjacent to the battery module.

10. The battery pack according to claim 9, further comprising:

the cover body is detachably mounted to the mounting frame.