Integrated support and battery pack

Abstract

The utility model provides an integrated support and a battery pack, the integrated support is used for being installed on a battery box body, and the integrated support is provided with a first fixing area, a second fixing area and a third fixing area which are arranged in sequence; wherein the first fixing area is configured to install a first functional assembly, the second fixing area is configured to install a second functional assembly, the third fixing area is configured to install a third functional assembly, and the third functional assembly is electrically connected with the second functional assembly; the utility model aims to solve the technical problems that the internal structure of the conventional battery pack is complicated, the mounting position of functional components is unreasonable, and the space utilization rate is low.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and in particular to an integrated bracket and a battery pack. Background Art

[0002] In the related art, in order to improve the performance of the battery pack, it is often necessary to integrate multiple functional components in the battery pack, such as BMS components, Fuse components, communication components, etc. With the increase of functional components, the volume capacity of the battery pack continues to expand, and the box mold of the battery pack needs to be redeveloped and produced. At the same time, the installation positions of the functional components are different, and the occupied spaces are different, resulting in a complex internal structure of the battery pack and low space utilization. Utility Model Content

[0003] The embodiment of the utility model provides an integrated bracket, which can improve the technical problems of complex internal structure of the battery pack, unreasonable installation position of functional components, and low space utilization.

[0004] In a first aspect, an embodiment of the utility model provides an integrated bracket for installation in a battery box, wherein the integrated bracket has a first fixing area, a second fixing area and a third fixing area which are arranged in sequence;

[0005] The first fixed area is configured to install a first functional component, the second fixed area is configured to install a second functional component, the third fixed area is configured to install a third functional component, and the third functional component is electrically connected to the second functional component.

[0006] In one embodiment, the integrated bracket includes a substrate, a first side plate and a second side plate, the substrate having a first side and a second side arranged opposite to each other along its width direction, the first side plate is connected to the first side, the second side plate is connected to the second side, the first side plate and the second side plate extend from the first side and the second side respectively in a direction away from the substrate, and the extension directions are the same, the first side plate and the second side plate are staggered in the width direction of the substrate, the first side plate has the first fixing area and the second fixing area, and the second side plate has the third fixing area.

[0007] In one embodiment, the first fixing area and the second fixing area are formed on a side surface of the first side plate facing the second side, and the third fixing area is formed on a side surface of the second side plate facing the first side.

[0008] In one embodiment, the base plate is provided with at least one first fixing hole.

[0009] In one embodiment, at least one fixing plate is further included, one end of the fixing plate is connected to a side of the first side plate away from the base plate, and the other end of the fixing plate is bent away from the second side plate to form a bent portion, and the bent portion is provided with at least one second fixing hole.

[0010] In one embodiment, the first side plate is provided with at least one wire harness fixing hole.

[0011] In one embodiment, the substrate has a third side and a fourth side disposed opposite to each other along its length direction;

[0012] The integrated bracket further comprises two wall panels, and the two wall panels are respectively connected to the third side and the fourth side;

[0013] Wherein, the wall panel located on the third side is connected to the first side panel, and the wall panel located on the fourth side is connected to the second side panel.

[0014] In one embodiment, the functions of the first functional component, the second functional component and the third functional component are all different; and / or,

[0015] The integrated bracket is formed in one piece.

[0016] In one embodiment, the first functional component includes a BMS component, the second functional component includes a Fuse component, and the third functional component includes a communication component, an MSD component, a positive electrode component, and a negative electrode component;

[0017] Wherein, the MSD component is electrically connected to the Fuse component.

[0018] In a second aspect, an embodiment of the utility model provides a battery pack, comprising an integrated bracket, wherein the integrated bracket has a first fixing area, a second fixing area and a third fixing area arranged in sequence;

[0019] The first fixed area is configured to install a first functional component, the second fixed area is configured to install a second functional component, the third fixed area is configured to install a third functional component, and the third functional component is electrically connected to the second functional component.

[0020] Beneficial effects of the embodiments of the utility model:

[0021] In the technical solution of the utility model, the integrated bracket can integrate the first functional component, the second functional component and the third functional component together. It has a reasonable design, occupies a small space, has a beautiful appearance, and can standardize the functional components in the battery pack. It can not only shorten the development cycle and reduce costs, but also simplify the internal structure of the battery pack, making it more convenient and quick for operators to install and improve productivity. Specifically, the first fixed area is configured to install the first functional component, the second fixed area is configured to install the second functional component, and the third fixed area is configured to install the third functional component, and the third functional component is electrically connected to the second functional component. In this way, multiple functional components do not interfere with each other, and their positions are fixed, with high space utilization, modular assembly can be achieved, and production efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a three-dimensional schematic diagram of an integrated bracket provided by an embodiment of the utility model;

[0024] Figure 2 yes Figure 1 The main view;

[0025] Figure 3 yes Figure 1 A top view of

[0026] Figure 4 actual Figure 1 Side view of

[0027] Figure 5 yes Figure 1 Schematic diagram of the structure of the middle base plate, the first side plate and the second side plate.

[0028] Description of Figure Numbers

[0029]

[0030] DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model. In the utility model, unless otherwise stated, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the accompanying drawings; while "inside" and "outside" refer to the outline of the device.

[0032] In the related art, in order to improve the performance of the battery pack, it is often necessary to integrate multiple functional components in the battery pack, such as BMS components, Fuse components, communication components, etc. With the increase of functional components, the volume capacity of the battery pack continues to expand, and the box mold of the battery pack needs to be redeveloped and produced. At the same time, the installation positions of the functional components are different, and the occupied spaces are different, resulting in a complex internal structure of the battery pack and low space utilization.

[0033] In view of this, the utility model proposes an integrated bracket. Figures 1 to 5 This is a structural schematic diagram of an embodiment of an integrated bracket provided by the utility model. The integrated bracket provided by the utility model has a simple structure, low manufacturing cost, can integrate multiple functional components, and has high space utilization. The integrated bracket will be described in detail below in conjunction with the main drawings.

[0034] See also Figure 1 The utility model provides an integrated bracket 100, which is used to be installed in a battery box. The integrated bracket 100 has a first fixing area 101, a second fixing area 102 and a third fixing area 103 arranged in sequence; wherein the first fixing area 101 is configured to install a first functional component 104, the second fixing area 102 is configured to install a second functional component 106, the third fixing area 103 is configured to install a third functional component 108, and the third functional component 108 is electrically connected to the second functional component 106.

[0035] In the technical solution of the present utility model, the integrated bracket 100 can integrate the first functional component 104, the second functional component 106 and the third functional component 108 together. It has a reasonable design, occupies a small space, has a beautiful appearance, and can standardize the functional components in the battery pack. It can not only shorten the development cycle and reduce costs, but also simplify the internal structure of the battery pack, making it more convenient and quick for operators to install, thereby improving productivity; specifically, the first fixed area 101 is configured to install the first functional component 104, the second fixed area 102 is configured to install the second functional component 106, and the third fixed area 103 is configured to install the third functional component 108, and the third functional component 108 is electrically connected to the second functional component 106. In this way, multiple functional components do not interfere with each other, and their positions are fixed, with high space utilization, modular assembly can be achieved, and production efficiency can be improved.

[0036] Specifically, in this embodiment, the integrated bracket 100 is integrally formed, which is convenient to manufacture and saves costs.

[0037] See also Figure 2 , Figure 3 and Figure 4 In this embodiment, the functions of the first functional component 104, the second functional component 106 and the third functional component 108 are all different. Specifically, the first functional component 104, the second functional component and the third functional component can be selected according to actual conditions.

[0038] Furthermore, in some embodiments, the first functional component 104 includes a BMS (Battery Management System) component 105, the second functional component 106 includes a Fuse component 107, and the third functional component 108 includes a communication component 109, an MSD (Manual Service Disconnect) component 110, a positive electrode component 111 and a negative electrode component 112; wherein the MSD component 110 is electrically connected to the Fuse component 107. Specifically, the positive electrode assembly 111 and the negative electrode assembly 112 are arranged in the third fixed area 103, the positive electrode assembly 111 is connected to a positive power harness, the negative electrode assembly 112 is connected to a negative power harness, the MSD assembly 110 is arranged on one side of the positive electrode assembly 111 and the negative electrode assembly 112, the MSD assembly 110 is electrically connected to the positive electrode assembly 111, the integrated bracket 100 is connected to external components through the positive power harness and the negative power harness, and the positive terminal box and the vehicle circuit safety are protected through the MSD assembly 110, and convenient power-off processing is provided when the vehicle or battery box needs to be repaired; The Fuse component 107 protects the battery pack. When the temperature of the battery pack is too high, the Fuse component 107 directly blows and disconnects the electrical connection of the battery pack to avoid thermal runaway. The communication component 109 is connected to a communication harness, which is used to connect to the high-voltage box outside the battery pack. The BMS component 105 is used to monitor and manage the Fuse component 107, the communication component 109, the MSD component 110, the positive electrode component 111 and the negative electrode component 112 to avoid abnormalities in a certain area, resulting in excessive temperature or excessive load of the battery pack, resulting in thermal runaway or explosion.

[0039] See also Figure 2 , Figure 3 and Figure 4The bracket includes a base plate 113, a first side plate 114 and a second side plate 115, the base plate 113 has a first side 121 and a second side 122 arranged opposite to each other along the width direction thereof, the first side plate 114 is connected to the first side 121, the second side plate 115 is connected to the second side 122, the first side plate 114 and the second side plate 115 extend from the first side 121 and the second side 122 respectively in a direction away from the base plate 113, and the extension directions are the same, the first side plate 114 and the second side plate 115 are staggered in the width direction of the base plate 113; specifically, the purpose of staggering the first side plate 114 and the second side plate 115 is to avoid the BM The mutual interference between the S component 105, the Fuse component 107, the communication component 109, the MSD component 110, the positive electrode component 111 and the negative electrode component 112, the BMS component 105 and the Fuse component 107 are arranged on the first side plate 114, the communication component 109, the MSD component 110, the positive electrode component 111 and the negative electrode component 112 are arranged on the second side plate 115, and the various components are reasonably distributed to avoid mutual interference between components. Through reasonable design, the utilization rate of space is improved, thereby reducing the volume of the battery pack. At the same time, the reasonable arrangement of the various components can also simplify the installation steps, facilitate the operator to operate and install, and improve production efficiency.

[0040] More specifically, in this embodiment, please continue to refer to Figure 1 The first side plate 114 has the first fixing area 101 and the second fixing area 102 , and the second side plate 115 has the third fixing area 103 .

[0041] For further information, see Figure 2 ,by Figure 2 Taking the first direction in as an example, the first direction and the second direction are perpendicular to each other in the horizontal plane, wherein the first direction is the length direction of the substrate 113, and the second direction is the width direction of the substrate 113. Specifically, the second side plate 115 has a first area and a second area arranged in sequence along the first direction, the communication component 109 and the MSD component 110 are arranged in the first area, and the communication component 109 and the MSD component 110 are arranged relatively to each other along the second direction, the positive electrode component 111 and the negative electrode component 112 are arranged in the second area, and the positive electrode component 111 and the negative electrode component 112 are arranged relatively to each other along the second direction. With this arrangement, the position arrangement is more reasonable, the occupied space is small, the overall space of the battery pack is saved, and the installation is more convenient, which can improve the production efficiency.

[0042] See also Figure 2 , Figure 3 and Figure 4 In order to avoid mutual interference between the BMS component 105, the Fuse component 107, the communication component 109, the MSD component 110, the positive electrode component 111 and the negative electrode component 112, and further improve the space utilization, the first fixed area 101 and the second fixed area 102 are formed on the side of the first side plate 114 facing the second side 122, and the third fixed area 103 is formed on the side of the second side plate 115 facing the first side 121. In this way, the BMS component 105 and the Fuse component 107 are located between the first side plate 114 and the second side plate 115, and the communication component 109, the MSD component 110, the positive electrode component 111 and the negative electrode component 112 are located on the side of the second side plate 115 away from the first side plate 114, so that there is no interference between the components, the arrangement is reasonable, and the space utilization is high.

[0043] It should be noted that the installation method of the integrated bracket 100 is not limited and can be selected according to actual conditions; in this embodiment, please refer to Figure 5 In order to facilitate the installation of the integrated bracket 100, the substrate 113 is provided with at least one first fixing hole 116, and the first fixing hole 116 is arranged near the second side 122. Specifically, a first threaded hole corresponding to the first fixing hole 116 is formed on the box of the battery pack. When installing the integrated bracket 100, the first fixing hole 116 is aligned with the first threaded hole, and a first bolt passes through the first fixing hole 116 and cooperates with the first threaded hole, so as to fix the integrated bracket 100 on the box of the battery pack. More specifically, the first bolt is an M5 bolt. It should be noted that various functional components need to be installed on the first side plate 114, and the substrate 113 is fixed to the battery box through the first bolt. In order to avoid the first bolt from interfering with the various functional components on the first side plate 114, the first fixing hole 116 is arranged at a position of the substrate 113 near the second side 122, so that the fixing can be achieved without interfering with other components.

[0044] For further information, see Figure 2 , Figure 3 and Figure 4In order to ensure the connection strength between the integrated bracket 100 and the battery case, the integrated bracket 100 further includes at least one fixing plate 117, one end of the fixing plate 117 is connected to the side of the first side plate 114 away from the substrate 113, and the other end of the fixing plate 117 is bent from the direction away from the second side plate 115 to form a bending portion 118, and the bending portion 118 is provided with at least one second fixing hole 119. Specifically, in this embodiment, there are two fixing plates 117, the first side plate 114 has a first side edge and a second side edge that are oppositely arranged, the second side edge is connected to the substrate 113, and the two fixing plates 117 are spaced apart on the second side edge; a second threaded hole is also formed on the case of the battery pack, and the second fixing hole 119 corresponds to the second threaded hole, and a second bolt passes through the second fixing hole 119 and cooperates with the second threaded hole to achieve the fixing of the integrated bracket 100.

[0045] See also Figure 5 In some embodiments, the first side panel 114 is provided with at least one wiring harness fixing hole 120 , and the wiring harness fixing hole 120 is used for allowing the wiring harness connected to the first functional component 104 to pass through.

[0046] See also Figure 1 and Figure 3 , the substrate 113 has a third side 123 and a fourth side 124 which are arranged opposite to each other along its length direction; the integrated bracket 100 also includes two wall panels 125, and the two wall panels 125 are respectively connected to the third side 123 and the fourth side 124; wherein the wall panel 125 located on the third side 123 is connected to the first side panel 114, and the wall panel 125 located on the fourth side 124 is connected to the second side panel 115; in this embodiment, the wall panel 125 located on the third side 123, the first side panel 114 and the substrate 113 are interconnected to form a stable triangular structure, further strengthening the connection strength and connection stability of the third side 123 of the substrate 113, and similarly, the wall panel 125 located on the fourth side 124, the second side panel 115 and the substrate 113 are interconnected to form a stable triangular structure, increasing the connection strength and connection stability of the fourth side 124 of the substrate 113.

[0047] In some embodiments, the material of the integrated bracket 100 is SPCC, which has good ductility, is easy to process, has a fine surface, and has a high hardness.

[0048] In some embodiments, the tensile strength of the integrated bracket 100 needs to be greater than 380 MPa to prevent the integrated bracket 100 from breaking during use and to increase the service life of the integrated bracket 100 .

[0049] In some embodiments, the surface treatment method of the integrated bracket 100 is not limited and can be selected according to actual conditions. For example, the surface of the integrated bracket 100 can be treated to matte white, matte black, pearl white, etc.

[0050] In some embodiments, see Figure 2 , in the Figure 2 In the embodiment, the size of the integrated bracket 100 in the first direction is 700 mm, and the size of the integrated bracket 100 in the second direction is 174 mm.

[0051] Further, in some embodiments, the distance between the first side plate 114 and the second side plate 115 is 76 mm.

[0052] The utility model also proposes a battery pack, which includes a multifunctional integrated panel. The specific structure of the multifunctional integrated panel refers to the above-mentioned embodiment. Since the battery pack herein adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0053] The above is a detailed introduction to the embodiments of the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for technicians in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. An integrated bracket for installation in a battery box, characterized in that: The integrated bracket has a first fixing area, a second fixing area and a third fixing area which are arranged in sequence; The first fixed area is configured to install a first functional component, the second fixed area is configured to install a second functional component, the third fixed area is configured to install a third functional component, and the third functional component is electrically connected to the second functional component.

2. The integrated bracket according to claim 1, characterized in that: The integrated bracket includes a substrate, a first side plate and a second side plate, the substrate having a first side and a second side arranged opposite to each other along a width direction thereof, the first side plate being connected to the first side, the second side plate being connected to the second side, the first side plate and the second side plate extending from the first side and the second side respectively in a direction away from the substrate, and having the same extension direction, the first side plate and the second side plate being staggered in the width direction of the substrate, the first side plate having the first fixing area and the second fixing area, and the second side plate having the third fixing area.

3. The integrated bracket according to claim 2, characterized in that: The first fixing area and the second fixing area are formed on a side surface of the first side plate facing the second side, and the third fixing area is formed on a side surface of the second side plate facing the first side.

4. The integrated bracket according to claim 3, characterized in that: The base plate is provided with at least one first fixing hole, and the first fixing hole is arranged close to the second side.

5. The integrated bracket according to any one of claims 2 to 4, characterized in that: It also includes at least one fixing plate, one end of which is connected to a side of the first side plate away from the base plate, and the other end of which is bent away from the second side plate to form a bent portion, wherein the bent portion is provided with at least one second fixing hole.

6. The integrated bracket according to any one of claims 2 to 4, characterized in that: The first side plate is provided with at least one wire harness fixing hole.

7. The integrated bracket according to any one of claims 2 to 4, characterized in that: The substrate has a third side and a fourth side arranged opposite to each other along the length direction thereof; The integrated bracket further comprises two wall panels, and the two wall panels are respectively connected to the third side and the fourth side; Wherein, the wall panel located on the third side is connected to the first side panel, and the wall panel located on the fourth side is connected to the second side panel.

8. The integrated bracket according to any one of claims 1 to 4, characterized in that: The functions of the first functional component, the second functional component and the third functional component are all different; and / or, The integrated bracket is formed in one piece.

9. The integrated bracket according to any one of claims 1 to 4, characterized in that: The first functional component includes a BMS component, the second functional component includes a Fuse component, and the third functional component includes a communication component, an MSD component, a positive electrode component, and a negative electrode component; Wherein, the MSD component is electrically connected to the Fuse component.

10. A battery pack, characterized in that: Comprising an integrated bracket as described in any one of claims 1-9.

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