CN220700911U - Battery management system support and battery pack - Google Patents
Battery management system support and battery pack Download PDFInfo
- Publication number
- CN220700911U CN220700911U CN202322378224.3U CN202322378224U CN220700911U CN 220700911 U CN220700911 U CN 220700911U CN 202322378224 U CN202322378224 U CN 202322378224U CN 220700911 U CN220700911 U CN 220700911U
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- China
- Prior art keywords
- management system
- battery management
- bracket
- bracket body
- opposite sides
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Links
- 238000005452 bending Methods 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The application provides a battery management system bracket and a battery pack, wherein the battery management system bracket comprises a bracket body, a first fixing structure is arranged on the bracket body, and the first fixing structure is configured to fix the battery management system bracket; the length direction of the bracket body is defined as a first direction, and the width direction of the bracket body is defined as a second direction; in the first direction, bending parts are arranged on two opposite sides of the bracket body, the bending parts are provided with second fixing structures, and the second fixing structures are configured to fix the battery management system; the battery management system bracket has smaller overall dimension, and the two opposite sides of the battery management system are respectively fixed through the two battery management system brackets, so that the space in the battery pack occupied by the battery management system brackets can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a battery management system bracket and a battery pack.
Background
With the development of new energy automobile industry, electric automobiles are widely focused and accepted by people, and the electric automobiles are mainly used as key parts of power battery systems of the electric automobiles to provide energy for the electric automobiles. The battery management system (Battery Management System, BMS) is used for mainly monitoring parameters such as voltage, current, temperature and the like of the battery system, and providing main basis for charging, endurance mileage calculation, energy management and the like of the electric automobile. A BMS support is generally designed in the battery pack to provide reliable support and fixing for the BMS.
In the related art, the cross section of the BMS bracket is generally in a shape of a Chinese character 'ji', and the bracket is fixed in the middle of the bracket, so that the bracket is fixed on two sides, the external dimension of the bracket is larger than that of the BMS, and the bracket occupies extra space in a bag; meanwhile, the bracket is large, the raw materials are used more, and the weight and the cost of the bracket are increased.
In summary, to solve the problem of the larger overall dimension of the BMS support in the related art, the present application provides a battery pack to improve the problem.
Disclosure of Invention
The embodiment of the application provides a battery management system support and a battery pack, which can improve the technical problem that the overall dimension of a BMS support in the related technology is larger.
In one aspect, embodiments of the present application provide a battery management system cradle comprising:
a bracket body provided with a first fixing structure configured to fix the battery management system bracket;
the length direction of the bracket body is defined as a first direction, and the width direction of the bracket body is defined as a second direction;
in the first direction, the opposite sides of the bracket body are provided with bending parts, the bending parts are provided with second fixing structures, and the second fixing structures are configured to fix the battery management system.
In an embodiment, in the first direction, opposite sides of the bracket body are turned over to a third direction respectively to form the bending portion, wherein the first direction, the second direction and the third direction are perpendicular to each other.
In an embodiment, the bending part comprises a connecting part and a mounting part, wherein the connecting part and the mounting part are formed by vertical bending, one end of the connecting part is connected with the bracket body, the other end of the connecting part is connected with the mounting part, and the mounting part and the bracket body are positioned at different heights and are in a step shape; wherein the second fixing structure is located at the mounting portion.
In an embodiment, in the second direction, opposite sides of the bracket body are turned over to the third direction respectively to form a first turned over edge, and a turned over direction of the first turned over edge is the same as a turned over direction of the bending portion.
In an embodiment, the first flange is provided with a third securing structure configured to secure a wire harness or a high voltage connector.
In an embodiment, in the second direction, opposite sides of the connecting portion turn up to the first direction respectively to form a second turn-up.
In one embodiment, the edges of the opposite sides of the first flange are welded or bonded to the connecting portion; the second flanging is welded or bonded with the mounting part towards the edge of the mounting part.
In one embodiment, the joint of the bracket body and the bending part is provided with a reinforcing rib; the reinforcing ribs are arranged at the joint of the bracket body and the first flanging; the connecting part and the connecting part are provided with the reinforcing ribs.
In an embodiment, the first fixing structure is a first fixing hole arranged on the bracket body;
the second fixing structure is a second fixing hole arranged on the fixing part;
the third fixing structure is a third fixing hole arranged on the first turning edge;
and a rivet nut is arranged in the second fixing hole.
In one aspect, embodiments of the present application provide a battery pack including two of the battery management system brackets symmetrically disposed; the two opposite sides of the battery management system are respectively fixed on one battery management system bracket.
The beneficial effects of the embodiment of the application are that: the application provides a battery management system bracket and a battery pack, wherein the battery management system bracket comprises a bracket body, a first fixing structure is arranged on the bracket body, and the first fixing structure is configured to fix the battery management system bracket; the length direction of the bracket body is defined as a first direction, and the width direction of the bracket body is defined as a second direction; in the first direction, bending parts are arranged on two opposite sides of the bracket body, the bending parts are provided with second fixing structures, and the second fixing structures are configured to fix the battery management system; the battery management system bracket has smaller overall dimension, and the two opposite sides of the battery management system are respectively fixed through the two battery management system brackets, so that the space in the battery pack occupied by the battery management system brackets can be effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a BMS scaffold provided in an embodiment of the present application;
fig. 2 is a schematic structural view of a BMS support and BMS assembly provided by an embodiment of the present application;
fig. 3 is a cross-sectional view of a BMS support and BMS assembly provided by an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features.
As shown in fig. 1, an embodiment of the present application provides a BMS stand 10, including: a holder body 11, on which a first fixing structure 15 is provided on the holder body 11, the first fixing structure 15 being configured to fix the BMS holder 10; the length direction of the bracket body 11 is defined as a first direction X, and the width direction of the bracket body 11 is defined as a second direction Y; in the first direction X, the opposite sides of the holder body 11 are provided with bent portions 12, and the bent portions 12 are provided with second fixing structures 16, and the second fixing structures 16 are configured to fix the BMS20.
In this embodiment, in the first direction X, opposite sides of the bracket body 11 are respectively turned to the third direction Z to form the bent portion 12, so that the BMS bracket is integrally formed. Wherein the first direction X, the second direction Y, and the third direction Z are perpendicular to each other.
In other embodiments, the bracket body and the bending portion may be connected by welding or the like.
In this embodiment, the bending portion 12 includes a connecting portion 121 and an installation portion 122 formed by bending vertically, one end of the connecting portion 121 is connected to the bracket body 11, the other end of the connecting portion 121 is connected to the installation portion 122, and the installation portion 122 and the bracket body 11 are located at different heights and have a step shape; wherein the second fixing structure 16 is located at the mounting portion 122. Illustratively, in the first direction X, the bending portion 12 is vertically bent along a side away from the bracket body 11 to form the bending portion 12, and the connecting portion 121 is located between the bracket body 11 and the mounting portion 122.
In this embodiment, the first fixing structure 15 is a first fixing hole provided on the bracket body 11, the second fixing structure 16 is a second fixing hole provided on the mounting portion 122, and a rivet nut 41 is provided in the second fixing hole.
In other embodiments, the first fixing structure 15 and the second fixing structure 16 may be bolts respectively provided at the bracket body 11 and the mounting portion 122.
In this embodiment, in the second direction Y, opposite sides of the bracket body 11 are turned to the third direction Z to form a first turned edge 13, and the turned edge direction of the first turned edge 13 is the same as the turned edge direction of the bending portion 12, so that the first turned edge 13 is connected end to end with the connecting portion 121 of the bending portion 12, and forms a groove structure together with the bracket body 11. By adding the first flange 13, the strength of the bracket body 11 can be increased, and the bracket body 11 is prevented from being broken or deformed.
Further, in the present embodiment, the first flange 13 is provided with a third fixing structure 17, and the third fixing structure 17 is configured to fix a wire harness or a high voltage connector, thereby achieving various uses of the BMS support 10.
The third fixing structure 17 is, for example, a third fixing hole provided on the first flange 13, and may be used to fix the copper bar harness. Specifically, the copper bar harness can be fixed to the third fixing hole by adopting a connecting piece such as a binding belt, a hoop, a binding clip and the like. In other embodiments, the third fixing hole may also be used to fix the low voltage acquisition line.
The third fixing structure 17 is, for example, a third fixing hole provided on the first flange 13, and may be used to fix the copper bar. Specifically, the copper bar can be fixed in the third fixing hole by adopting connecting pieces such as a binding belt, a hoop, a binding clip and the like.
In the present embodiment, in the second direction Y, opposite sides of the connecting portion 121 are respectively turned up in the first direction X to form second turned-up edges 14. By adding the second flange 14, the strength of the bending portion 12 can be increased, and breakage or deformation of the bending portion 12 can be avoided. It should be understood that the second flange 14 may have a regular or irregular polygonal configuration, such as triangular, rectangular or right trapezoid-like, etc. It should be understood that the second flanges 14 on both sides of the same connecting portion 121 may have the same or different shapes; the second flanges 14 on the different connecting portions 121 on both sides of the bracket body 11 may have the same or different shapes.
It should be noted that, the connection portion 121, the mounting portion 122, the first flange 13 and the second flange 14 in the BMS support 10 in this embodiment are formed by bending and flanging the support body 11, so that the BMS support 10 has an integral structure, and has better structural strength compared with the processing modes such as welding between each structural component.
It should be noted that, the BMS support 10 in this embodiment is made of sheet metal material.
Further, in the present embodiment, the edges of the opposite sides of the first flange 13 are welded or bonded to the connecting portion 121 in the first direction X. The edge of the second flange 14 facing the mounting portion 122 is welded or bonded to the mounting portion 122.
Illustratively, the edges of the opposite sides of the first flange 13 in the first direction X are welded with the connection parts 121 to form the welding seam 18, the edges of the second flange 14 facing the mounting parts 122 are welded with the mounting parts 122 to form the welding seam 18, and the slits outside the bent flange are eliminated, so that the integrated bent flange formed BMS support 10 is integrated, thereby further improving the strength and supporting force of the BMS support 10.
In order to further increase the local strength of the BMS support 10, in the embodiment of the present application, the connection between the support body 11 and the bent portion 12 is provided with a reinforcing rib (not shown in the drawing); the joint of the bracket body 11 and the first flanging 13 is provided with the reinforcing rib; the connection part 121 and the mounting part 122 are provided with the reinforcing ribs; the connection part 121 and the second flange 14 are provided with the reinforcing ribs. The reinforcing ribs can be triangular bulges punched at the bending joints or ribs welded at the bending joints.
In other embodiments, in order to further reduce the weight of the BMS support 10, weight-reducing holes (not shown) may be provided in the BMS support 10, and the weight-reducing holes are provided in the support body 11, for example, in a rounded profile shape such as circular holes or elliptical holes. In other embodiments, the lightening holes may be provided on the bent portion 12, the first flange 13 or the second flange 14. It should be understood that the number, location and shape of the weight-reducing holes are not particularly limited, and the weight-reducing purpose can be satisfied without reducing the structural strength of the BMS support 10.
As shown in fig. 2 and 3, the embodiment of the present application also provides a battery pack 100 including two BMS holders 10 symmetrically disposed; opposite sides of the BMS20 are respectively fixed to one of the BMS holders 10. Illustratively, the BMS20 is provided at opposite sides thereof with BMS fixtures 21, respectively, and the BMS fixtures 21 extend outwardly with respect to edges of the BMS20. Be provided with the BMS fixed orifices on the BMS fixed part 21, bolt 42 passes the BMS fixed orifices to with the interior rivet nut 41 spiro union of second fixed orifices, in order to realize the assembly of BMS20 and BMS support 10.
It should be noted that, the two BMS holders 10 fix opposite sides of the BMS20, respectively, so that the size of the BMS holders 10 does not exceed the external size of the BMS20, thereby effectively reducing the space inside the battery pack 100 occupied by the BMS holders 10. Meanwhile, in the embodiment, two BMS supports 10 are used for fixing two opposite sides of the BMS20, so that no barrier exists between the two BMS supports 10, copper bars, wiring harnesses or liquid cooling pipelines can be arranged below the BMS20, and the space utilization rate in the battery pack is greatly improved. In addition, the BMS support 10 in this embodiment can adapt to BMS of different manufacturers only by adjusting the interval between two BMS supports according to the sizes of BMS of different manufacturers.
It should be noted that, the BMS bracket 10 according to the embodiment of the present application has a smaller external dimension than the "several" bracket in the related art, so that the weight and cost reduction effect can be achieved.
As shown in fig. 2 and 3, in the present embodiment, the BMS support 10 is fixed to the case type section bar 30 in the battery pack 100 by the first fixing structure 15 provided on the support body 11. Specifically, the box section 30 is provided with a bracket fixing hole, a rivet nut 41 is disposed in the bracket fixing hole, and a bolt 42 passes through the first fixing hole and is screwed with the rivet nut 41 in the bracket fixing hole, so as to realize assembly of the BMS bracket 10 and the box section 30.
The foregoing has outlined rather broadly the more detailed description of embodiments of the present application, wherein specific examples are provided herein to illustrate the principles and embodiments of the present application, the above examples being provided solely to assist in the understanding of the methods of the present application and the core ideas thereof; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. A battery management system rack, comprising:
a bracket body provided with a first fixing structure configured to fix the battery management system bracket;
the length direction of the bracket body is defined as a first direction, and the width direction of the bracket body is defined as a second direction;
in the first direction, the opposite sides of the bracket body are provided with bending parts, the bending parts are provided with second fixing structures, and the second fixing structures are configured to fix the battery management system.
2. The battery management system bracket of claim 1, wherein opposite sides of the bracket body are respectively turned over in a third direction in the first direction to form the bent portion, wherein the first direction, the second direction, and the third direction are perpendicular to each other.
3. The battery management system bracket according to claim 2, wherein the bending part comprises a connecting part and a mounting part which are vertically bent, one end of the connecting part is connected with the bracket body, the other end of the connecting part is connected with the mounting part, and the mounting part and the bracket body are positioned at different heights and are in a step shape; wherein the second fixing structure is located at the mounting portion.
4. The battery management system bracket of claim 3, wherein in the second direction, opposite sides of the bracket body are respectively turned up to the third direction to form a first turned up edge, and a turned up direction of the first turned up edge is the same as a turned up direction of the bent portion.
5. The battery management system bracket of claim 4, wherein the first flange is provided with a third securing structure configured to secure a wire harness or a high voltage connector.
6. The battery management system bracket of claim 4, wherein in the second direction, opposite sides of the connecting portion are respectively turned up to the first direction to form second turned-up edges.
7. The battery management system bracket of claim 6, wherein edges of opposite sides of the first flange are welded or bonded to the connection portion; the second flanging is welded or bonded with the mounting part towards the edge of the mounting part.
8. The battery management system bracket according to claim 4 or 5, wherein a reinforcing rib is provided at a junction of the bracket body and the bent portion; the reinforcing ribs are arranged at the joint of the bracket body and the first flanging; the connecting part and the connecting part are provided with the reinforcing ribs.
9. The battery management system rack of claim 5, wherein,
the first fixing structure is a first fixing hole arranged on the bracket body;
the second fixing structure is a second fixing hole arranged on the mounting part;
the third fixing structure is a third fixing hole arranged on the first turning edge;
and a rivet nut is arranged in the second fixing hole.
10. A battery pack comprising two battery management system holders according to any one of claims 1 to 9 symmetrically disposed; the two opposite sides of the battery management system are respectively fixed on one battery management system bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378224.3U CN220700911U (en) | 2023-08-31 | 2023-08-31 | Battery management system support and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378224.3U CN220700911U (en) | 2023-08-31 | 2023-08-31 | Battery management system support and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220700911U true CN220700911U (en) | 2024-04-02 |
Family
ID=90444800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322378224.3U Active CN220700911U (en) | 2023-08-31 | 2023-08-31 | Battery management system support and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220700911U (en) |
-
2023
- 2023-08-31 CN CN202322378224.3U patent/CN220700911U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |