CN218005166U - Busbar support and have its battery - Google Patents

Abstract

The utility model provides a busbar support and have its battery. Wherein, the busbar support includes: the first bracket is used for installing the bus bar; a second bracket; the temperature detection device is arranged on the second bracket and used for detecting the temperature of the bus bar; the clamping assembly is arranged between the first bracket and the second bracket so as to connect the first bracket and the second bracket; wherein, the joint subassembly includes first joint portion and second joint portion, and first joint portion sets up on first support, and second joint portion sets up on the second support, and one in first joint portion and the second joint portion is the arch, and another in first joint portion and the second joint portion is the concave part, and the arch stretches into in the concave part and with the spacing cooperation of concave part. The utility model provides a comparatively difficult problem of temperature sensing sampling module's wire plug in the module busbar support assembly among the prior art.

Description

Busbar support and have its battery

Technical Field

The utility model relates to a battery technology field particularly, relates to a busbar support and have its battery.

Background

At present, the module bus bar support assembly of the conventional power battery pack is generally designed to be an integrated structure. Wherein, module busbar support assembly includes busbar support and temperature sensing sampling module, and temperature sensing sampling module is used for detecting the temperature of busbar.

In the prior art, along with the gradual popularization of electric automobile, the user has higher and higher requirements on the endurance mileage of the electric automobile, the size of the battery core is larger and larger, and the space in the battery pack occupied by the battery core is also larger and larger, so that the sizes of other parts in the battery pack can only be smaller and smaller.

However, because the position of the temperature sensing sampling module of the integrated bus bar support in the prior art is relatively fixed and the space in the battery pack is small, the wire of the temperature sensing sampling module is difficult to plug and pull, and the operation difficulty of workers is increased.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a busbar support and have its battery to the comparatively difficult problem of wire plug of temperature sensing sampling module in the module busbar support assembly among the solution prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a bus bar bracket, including: the first bracket is used for installing the bus bar; a second bracket; the temperature detection device is arranged on the second bracket and used for detecting the temperature of the bus bar; the clamping assembly is arranged between the first bracket and the second bracket so as to connect the first bracket and the second bracket; wherein, the joint subassembly includes first joint portion and second joint portion, and first joint portion sets up on first support, and second joint portion sets up on the second support, and one in first joint portion and the second joint portion is the arch, and another in first joint portion and the second joint portion is the concave part, and the arch stretches into in the concave part and with the spacing cooperation of concave part.

Further, first support has the installation department, and the installation department is used for installing the busbar, and first joint portion is a plurality of, and a plurality of first joint portions set up around the installation department to with second support mounting in installation department.

Further, first joint portion is the arch, and the arch includes: the first end of the clamping body is connected with the first bracket; the hook-shaped part is arranged on the second end of the clamping body and used for limiting and stopping the concave part; wherein the oppositely disposed two raised hooks are disposed toward each other.

Furthermore, the clamping components are in multiple groups, and the multiple groups of clamping components are arranged at intervals along the length direction of the bus bar support.

Further, the second clamping portion is a concave portion, the concave portion is a through hole, and the through hole is provided with a chamfer or a fillet towards the opening of the first support.

Furthermore, a first riveting column is arranged on the first support, and the first riveting column penetrates through the riveting hole of the busbar and then is riveted with the busbar.

Furthermore, the first riveting columns are multiple and are arranged at intervals along the length direction and/or the width direction of the bus bar support.

Furthermore, the mounting part is a groove, and a part of groove wall of the groove forms a fool-proof part; or a fool-proof part is arranged on the groove wall of the groove.

Further, be provided with the second riveting post on the second support, the busbar support still includes: the flexible circuit board is provided with a through hole, and the second riveting column penetrates through the through hole and is riveted with the flexible circuit board; the flexible circuit board is electrically connected with the busbar through the nickel sheet; the via hole is a waist-shaped hole, and the waist-shaped hole extends along the length direction of the bus bar support.

According to one aspect of the present invention, there is provided a battery including a bus bar and a bus bar holder, the bus bar being disposed on the bus bar holder; wherein, the bus bar support is the bus bar support.

Use the technical scheme of the utility model, the busbar support adopts split type design, and it includes first support and second support. The first support is used for installing the busbar, and the second support is provided with a temperature detection device to detect the temperature of the busbar. In the battery pack assembling process, a worker can weld the bus bar on the first support, and then the welded first support and the second support provided with the temperature detection device are clamped through the clamping component to complete assembling between the first support and the second support. Like this, because first support and second support are split type structure and the two passes through joint subassembly joint to make the relative position of the two set up adjustably, the staff can adjust temperature-detecting device's mounted position according to battery package inner space, and then be convenient for carry out the plug to temperature-detecting device's wire, solved the comparatively difficult problem of wire plug of temperature sensing sampling module in the module busbar support assembly among the prior art, reduced staff's the operation degree of difficulty.

Compare with prior art's integral type structure, this application has additionally designed the second support that is used for installing temperature-detecting device on the basis of first support, and the two is connected through the joint subassembly, and then has promoted the inside space utilization of battery package, and the staff of being convenient for carries out the plug to the wire of temperature sensing sampling module.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a busbar support according to the invention;

FIG. 2 shows an enlarged partial schematic view of A of the busbar mount of FIG. 1;

FIG. 3 shows an exploded view of the bus bar support of FIG. 1;

FIG. 4 shows a perspective view of a first bracket of the bus bar bracket of FIG. 1;

FIG. 5 is a schematic perspective view of the second bracket of the bus bar bracket of FIG. 1 assembled with a temperature sensing device;

FIG. 6 shows a perspective view of the second bracket of FIG. 5;

fig. 7 shows a partially enlarged view of B of the second bracket in fig. 6.

Wherein the figures include the following reference numerals:

10. a first bracket; 11. an installation part; 12. a first rivet post; 13. a fool-proof part; 20. a second bracket; 30. a temperature detection device; 40. a first clamping part; 41. clamping the body; 42. a hook portion; 50. a second clamping part; 60. nickel flakes; 70. chamfered or filleted.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the wire plug of the temperature sensing sampling module is difficult in the module busbar support assembly in the prior art, the application provides a busbar support and a battery with the same.

As shown in fig. 1 to 7, the bus bar bracket includes a first bracket 10, a second bracket 20, a temperature detection device 30 and a clamping assembly, wherein the first bracket 10 is used for mounting a bus bar. The temperature detecting device 30 is provided on the second bracket 20 to detect the temperature of the bus bar. The clamping assembly is disposed between the first bracket 10 and the second bracket 20 to connect the first bracket 10 and the second bracket 20. Wherein, the joint subassembly includes first joint portion 40 and second joint portion 50, and first joint portion 40 sets up on first support 10, and second joint portion 50 sets up on second support 20, and one in first joint portion 40 and the second joint portion 50 is the arch, and another in first joint portion 40 and the second joint portion 50 is the concave part, and the arch stretches into in the concave part and with the spacing cooperation of concave part.

By applying the technical solution of the embodiment, the bus bar support adopts a split design, and comprises a first support 10 and a second support 20. The first bracket 10 is used for mounting a bus bar, and the second bracket 20 is provided with a temperature detection device 30 for detecting the temperature of the bus bar. In the battery pack assembling process, a worker can weld the bus bar on the first support 10, and then the welded first support 10 and the second support 20 provided with the temperature detection device 30 are clamped through the clamping component, so that the assembly between the first support 10 and the second support 20 is completed. Therefore, the first support 10 and the second support 20 are of a split structure and are clamped by the clamping components, so that the relative positions of the first support and the second support can be set adjustably, a worker can adjust the installation position of the temperature detection device 30 according to the internal space of the battery pack, and then the wire of the temperature detection device 30 can be plugged and pulled conveniently, the problem that the wire of the temperature sensing sampling module in the module bus bar support assembly in the prior art is difficult to plug and pull is solved, and the operation difficulty of the worker is reduced.

Compare with prior art's integral structure, this embodiment has additionally designed the second support 20 that is used for installing temperature-detecting device 30 on the basis of first support 10, and the two passes through the joint subassembly to be connected, and then has promoted the inside space utilization of battery package, and the staff of being convenient for carries out the plug to the wire of temperature sensing sampling module.

In this embodiment, when first support 10 and second support 20 need be assembled, stretch into the concave part with the arch and make protruding and concave part spacing cooperation, can install second support 20 on first support 10 to make the dismouting of the two easier, simple and convenient, reduced the dismouting degree of difficulty.

Specifically, the temperature detection device 30 is a temperature-sensing sampling assembly, and the staff can obtain the real-time temperature of the bus through the temperature detection device 30, so as to avoid the battery damage and even fire caused by the over-high temperature of the bus. Therefore, the service life of the battery is prolonged, and the use safety of the battery is also improved.

As shown in fig. 1 to 4, the first bracket 10 has a mounting portion 11, the mounting portion 11 is used for mounting the bus bar, the first catching portion 40 is plural, and the plural first catching portions 40 are provided around the mounting portion 11 to mount the second bracket 20 at the mounting portion 11. In this way, the second bracket 20 is mounted above the bus bar to ensure that the temperature detection device 30 can accurately sample the bus bar. Simultaneously, above-mentioned setting makes the structural layout of first joint portion 40 and installation department 11 more reasonable, avoids taking place the structural interference and influences the dismouting of battery.

Specifically, the first clamping portions 40 are two rows, and the two rows of first clamping portions 40 are respectively located at the upper side and the lower side of the mounting portion 11, so that structural interference between the bus bar and the second support 20 is avoided to influence the assembly and disassembly of the battery. Simultaneously, the above-mentioned setting has promoted the stability of being connected of first joint portion 40 and second joint portion 50, avoids breaking away from each other between the two and influences the structural stability of battery.

As shown in fig. 1 to 4, the first clamping portion 40 is a protrusion including a clamping body 41 and a hook 42, and a first end of the clamping body 41 is connected to the first bracket 10. A hook 42 is provided on the second end of the latch body 41 for a limit stop with the recess. Wherein two oppositely disposed raised hooks 42 are disposed toward each other. Therefore, on one hand, the first clamping portion 40 is simpler in structure and easier to process, and the processing difficulty of workers is reduced; on the other hand, the clamping between the first bracket 10 and the second bracket 20 is more stable and is not easy to loose.

Specifically, in the process of clamping the first clamping portion 40 and the second clamping portion 50, the hook-shaped portion 42 is deeply inserted into the concave portion and is in limited fit with the concave portion, so that the clamping fit of the first clamping portion 40 and the second clamping portion 50 can be realized, and the assembly of the first support 10 and the second support 20 is further realized. After the clamping body 41 extends into the second clamping portion 50, the hook portion 42 can hook the surface of the second clamping portion 50 far away from the first bracket 10, so that the first bracket 10 and the second bracket 20 can be clamped. Meanwhile, the two hook-shaped portions 42 which are oppositely arranged face each other, so that the clamping is firmer and is not easy to loosen.

Optionally, the clamping assemblies are multiple groups, and the multiple groups of clamping assemblies are arranged at intervals along the length direction of the bus bar support. Like this, above-mentioned setting makes the quantity of joint subassembly more diversified to satisfy different user demand and operating mode, also promoted the processing flexibility of staff to the joint subassembly.

In this example, the clamping components are three groups, and the three groups of clamping components are arranged at intervals along the length direction of the bus bar support. Like this, the aforesaid sets up the joint area that has increased first support 10 and second support 20 to make the joint of first support 10 and second support 20 more firm, avoided taking place the two and connected the phenomenon that appears becoming flexible even droing, and then promoted the precision of temperature sampling.

It should be noted that the number of the clamping assemblies is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the clamping components are two groups, or four groups, or five groups, or six groups, or multiple groups.

As shown in fig. 1 to 7, the second fastening portion 50 is a concave portion, the concave portion is a through hole, and the opening of the through hole facing the first bracket 10 has a chamfer or rounded corner 70. Thus, the first engagement portion 40 is more easily inserted into the recess by the chamfer or fillet 70. Meanwhile, the structure of the second clamping portion 50 is simpler and easier to process due to the arrangement, and the processing difficulty of workers is reduced.

Specifically, the opening of the through hole facing the first bracket 10 has a chamfer or rounded corner 70, and the opening of the through hole facing away from the first bracket 10 is a right angle. Thus, the arrangement makes the first clamping part 40 more easily extend into the second clamping part 50; on the other hand, the hook-shaped part 42 extending into the through hole can hook the second bracket 20 more firmly, so that the clamping of the first bracket 10 and the second bracket 20 is more firm.

As shown in fig. 1 to 4, a first riveting column 12 is disposed on the first bracket 10, and the first riveting column 12 is riveted with the busbar after passing through the riveting hole of the busbar. Therefore, the first support 10 is riveted with the busbar, and on one hand, the arrangement enables the fixing mode of the busbar to be simpler and easier to realize, and reduces the operation difficulty of workers; on the other hand, the connection between the bus bar and the first bracket 10 is more stable, so as to prevent the bus bar and the first bracket from being separated from each other and affecting the structural stability of the battery.

Optionally, the number of the first riveting columns 12 is multiple, and the multiple first riveting columns 12 are arranged at intervals along the length direction and/or the width direction of the bus bar support. Like this, above-mentioned setting makes first riveting post 12's the mode of arranging more diversified to satisfy different user demand and operating mode, also promoted the staff to first riveting post 12's processing flexibility.

In the present embodiment, the plurality of first rivet posts 12 are provided at intervals along the longitudinal direction of the bus bar bracket. Thus, the bus bar is more stably connected with the first support 10 by the arrangement, so that the phenomenon that the bus bar is loosened and even falls off is avoided, and the accuracy of temperature sampling is ensured.

It should be noted that the arrangement of the first riveting column 12 is not limited to this, and may be adjusted according to the working condition and the use requirement.

Alternatively, the first rivet posts 12 are provided at intervals in the width direction of the bus bar bracket.

Alternatively, the first rivet posts 12 are provided at intervals in the length direction and the width direction of the bus bar bracket. Thus, the above arrangement improves the connection stability of the first bracket 10 and the bus bar, thereby improving the structural stability of the battery.

Optionally, the mounting portion 11 is a groove, and a part of the groove wall of the groove forms a fool-proof portion 13; or a fool-proof part 13 is arranged on the groove wall of the groove. Like this, above-mentioned setting makes the formation mode of installation department 11 more diversified to satisfy different user demand and operating mode, also promoted staff's processing flexibility.

In the present embodiment, the mounting portion 11 is a groove, and a part of a groove wall of the groove forms a fool-proof portion 13, and when a worker mounts the bus bar to the first bracket 10, the groove wall of the fool-proof portion 13 contacts with a part of a side wall of the bus bar to define a mounting position of the bus bar. Like this, above-mentioned setting can avoid the busbar dress to turn over effectively to ensure the exactness of busbar installation direction, and then reduced staff's the installation degree of difficulty.

In other embodiments not shown in the drawings, a fool-proof portion is provided on a groove wall of the groove. Like this, above-mentioned setting can avoid the busbar dress to turn over effectively to ensure the exactness of busbar installation direction, and then reduced staff's the installation degree of difficulty.

In this embodiment, the second bracket 20 is provided with a second riveting column, the bus bar bracket further includes a flexible printed circuit board and a nickel sheet 60, the flexible printed circuit board has a through hole, and the second riveting column penetrates through the through hole and is riveted with the flexible printed circuit board. The nickel sheet 60 is arranged on the second bracket 20, and the flexible circuit board is electrically connected with the bus bars through the nickel sheet 60. The through hole is a waist-shaped hole, and the waist-shaped hole extends along the length direction of the bus bar support. In this way, if a small play occurs between the first bracket 10 and the second bracket 20, the above arrangement of the via hole enables the flexible circuit board to perform a fine movement along the extending direction of the waist-shaped hole to ensure that the position of the nickel sheet 60 is fixed, so that the temperature detection device 30 can perform temperature detection on the busbar. Meanwhile, the flexible circuit board can be riveted on the second bracket 20 by the arrangement, so that the connection stability of the flexible circuit board and the second bracket 20 is enhanced.

Specifically, the second rivet stud on the second bracket 20 extends into the through hole and is riveted with the through hole, so as to rivet the flexible circuit board and the second bracket 20. Therefore, the connection between the flexible circuit board and the flexible circuit board is more stable by the arrangement, so that the temperature sampling failure caused by the fact that the flexible circuit board is loosened and even falls off is avoided.

In this embodiment, the via hole is a waist-shaped hole, and the waist-shaped hole extends along the length direction of the bus bar support. Therefore, on one hand, the structure of the via hole is simpler and is easy to process and realize, and the processing difficulty and the processing cost of the flexible circuit board are reduced; on the other hand, the kidney-shaped hole can absorb assembly and displacement tolerance, so that the problem that the nickel sheet 60 is separated from the flexible circuit board due to the fact that the nickel sheet 60 is pulled by the second support 20 in the riveting process of the flexible circuit board and the second support 20, and temperature sampling failure is caused is avoided. Meanwhile, the arrangement reduces the machining precision requirement of the bus bar support, and further reduces the machining cost of the bus bar support.

Alternatively, the nickel plate 60 is zigzag-shaped, and one end of the nickel plate 60 is disposed on the second bracket 20 and the other end is welded to the bus bar by spot welding. Therefore, on one hand, the arrangement makes the structure of the nickel sheet 60 simpler and easy to process and realize; on the other hand, to ensure the electrical connection between the flexible circuit board riveted to the second bracket 20 and the bus bar.

The present application further provides a battery (not shown) including a bus bar and a bus bar holder, the bus bar being disposed on the bus bar holder. The bus bar support is the bus bar support.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the busbar support adopts split type design, and it includes first support and second support. The first support is used for installing the busbar, and the second support is provided with a temperature detection device to detect the temperature of the busbar. In the battery pack assembling process, a worker can weld the bus bar on the first support, and then the welded first support and the second support provided with the temperature detection device are clamped through the clamping component to complete assembling between the first support and the second support. Therefore, the first support and the second support are of a split structure and are clamped through the clamping component, so that the relative positions of the first support and the second support can be set adjustably, a worker can adjust the installation position of the temperature detection device according to the inner space of the battery pack, and then the wire of the temperature detection device can be plugged and pulled conveniently, the problem that the wire of the temperature sensing sampling module in the module bus bar support assembly in the prior art is difficult to plug and pull is solved, and the operation difficulty of the worker is reduced.

Compared with the integrated structure in the prior art, this application has additionally designed the second support that is used for installing temperature-detecting device on the basis of first support, and the two is connected through the joint subassembly, and then has promoted the inside space utilization of battery package, and the staff of being convenient for carries out the plug to the wire of temperature sensing sampling module.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bus bar support, comprising:

a first bracket (10) for mounting a busbar;

a second bracket (20);

a temperature detection device (30), the temperature detection device (30) being provided on the second bracket (20) for detecting a temperature of the bus bar;

a clamping assembly arranged between the first bracket (10) and the second bracket (20) to connect the first bracket (10) and the second bracket (20);

wherein, the joint subassembly includes first joint portion (40) and second joint portion (50), first joint portion (40) set up on first support (10), second joint portion (50) set up on second support (20), first joint portion (40) with one in second joint portion (50) is protruding, first joint portion (40) with another in second joint portion (50) is the concave part, the arch stretches into in the concave part and with the spacing cooperation of concave part.

2. The bus bar bracket according to claim 1, wherein the first bracket (10) has a mounting portion (11), the mounting portion (11) being for mounting the bus bar, the first catching portions (40) being plural, the plural first catching portions (40) being provided around the mounting portion (11) to mount the second bracket (20) at the mounting portion (11).

3. The bus bar holder according to claim 1, wherein the first catching portion (40) is a protrusion including:

the clamping body (41), wherein the first end of the clamping body (41) is connected with the first bracket (10);

the hook-shaped part (42) is arranged on the second end of the clamping body (41) and used for limiting and stopping the concave part;

wherein oppositely arranged two of said raised hooks (42) are arranged towards each other.

4. The bus bar support according to claim 1, wherein the plurality of sets of snap-fit assemblies are spaced apart along a length of the bus bar support.

5. The bus bar holder according to claim 1, wherein the second snap-in portion (50) is a recess, the recess is a through hole, and an opening of the through hole facing the first holder (10) has a chamfer or rounded corner (70).

6. The busbar support according to claim 1, wherein the first support (10) is provided with a first riveting post (12), and the first riveting post (12) passes through the riveting hole of the busbar and then is riveted with the busbar.

7. The bus bar support according to claim 6, wherein the first riveting columns (12) are plural, and the plural first riveting columns (12) are arranged at intervals along the length direction and/or the width direction of the bus bar support.

8. A bus bar support according to claim 2, wherein the mounting portion (11) is a groove, part of the groove wall of which forms the fool-proof portion (13); or a fool-proof part (13) is arranged on the groove wall of the groove.

9. The bus bar support according to claim 1, wherein a second rivet stud is provided on the second support (20), the bus bar support further comprising:

the flexible circuit board is provided with a through hole, and the second riveting column penetrates through the through hole and is riveted with the flexible circuit board;

the nickel sheet (60) is arranged on the second bracket (20), and the flexible circuit board is electrically connected with the bus bars through the nickel sheet (60);

the through holes are waist-shaped holes, and the waist-shaped holes extend along the length direction of the bus bar support.

10. A battery comprising a busbar and a busbar holder, the busbar being disposed on the busbar holder; wherein the bus bar holder is the bus bar holder according to any one of claims 1 to 9.

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