Battery pack fixing assembly, energy storage device and energy storage apparatus

Abstract

The present application relates to the technical field of battery pack storage devices. Disclosed are a battery pack fixing assembly, an energy storage device and an energy storage apparatus. The battery pack fixing assembly comprises at least three support members, each support member comprising a column body and a plurality of support bodies, the plurality of support bodies being arranged spaced apart from each other in a preset direction and respectively connected to the column body, wherein the at least three support members are arranged spaced apart from each other and are arranged on the peripheral sides of a plurality of battery packs; the column body is configured to abut against side surfaces of the battery packs; and each support body is arranged between two adjacent battery packs and abuts against a bottom surface of the respective battery pack; and a plurality of support bodies abutting against the bottom surface of the same battery pack are arranged spaced apart from each other. The battery pack fixing assembly provided in the present application has a small number of consumables, a simple structure, and low costs.

Description

A battery pack fixing assembly, energy storage device and energy storage equipment

[0001] This application claims priority to Chinese Patent Application No. 202422777332.2, filed on November 13, 2024, entitled “Battery Pack Fixing Assembly, Energy Storage Device and Energy Storage Equipment”, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of battery pack storage device technology, and more specifically, to a battery pack fixing component, energy storage device and energy storage equipment. Background Technology

[0003] In related technologies, the battery pack storage and transportation method involves installing the battery pack in a rack and transporting the entire unit to the user. Racks used to store battery packs typically require customization, are complex in structure, and are expensive. Summary of the Invention

[0004] The purpose of this application is to provide a battery pack fixing assembly, energy storage device and energy storage equipment, which aims to solve the technical problem of complex cabinet structure for storing battery packs in related technologies.

[0005] In a first aspect, embodiments of this application provide a battery pack fixing assembly, including:

[0006] At least three support members, each of the support members including a column and a plurality of support bodies, the plurality of support bodies being spaced apart along a preset direction and respectively connected to the column;

[0007] The at least three support members are spaced apart and arranged around the periphery of multiple battery packs. The column abuts against the side of the battery pack. The support is located between two adjacent battery packs and abuts against the bottom surface of the battery pack. The multiple support members abutting against the bottom surface of the same battery pack are spaced apart.

[0008] Secondly, embodiments of this application also provide an energy storage device, comprising:

[0009] Multiple battery packs are spaced apart along the preset direction, and each battery pack includes a housing.

[0010] The battery pack fixing assembly of the first aspect, wherein the support body and the column are electrically connected, and at least one of the support members is electrically connected to the outer casing.

[0011] Thirdly, embodiments of this application also provide an energy storage device, including the energy storage device described in the second aspect.

[0012] Based on the above technical solutions, this application proposes a battery pack fixing assembly, including at least three support members. Each support member includes a column and multiple support bodies. The multiple support bodies are spaced apart along a preset direction and are respectively connected to the column. At least three support members are spaced apart and arranged around the periphery of multiple battery packs. The column abuts against the side of the battery pack, limiting the periphery of the battery pack. The support bodies are located between two adjacent battery packs and abut against the bottom surface of the battery pack, supporting and fixing the battery pack. In related technologies, the support bodies supporting the battery pack below are continuous structures, providing line or surface support. This application, by having multiple support bodies abutting against the bottom surface of the same battery pack spaced apart, provides multi-point support for the battery pack, allowing the battery pack to be placed stably while simplifying the structure of the support bodies, saving materials, and reducing costs. Attached Figure Description

[0013] Figure 1 shows a schematic diagram of the battery pack energy storage device from one perspective in some embodiments of this application;

[0014] Figure 2 shows a schematic diagram of the battery pack energy storage device from another perspective in some embodiments of this application;

[0015] Figure 3 shows an exploded structural diagram of the sub-pillar and support in some embodiments of this application;

[0016] Figure 4 shows a schematic diagram of the assembly structure of the sub-pillar and the support in some embodiments of this application;

[0017] Figure 5 shows a schematic diagram of the structure of the first support block in some embodiments of this application.

[0018] In the diagram: 1000 - Energy storage device; D1 - Preset direction; 110 - Battery pack; 111 - Side; 112 - Bottom; 113 - Top; 114 - Outer shell; 115 - Conductive area; 120 - Support; 121 - Column; 122 - Support body; 1211 - Sub-column; 1221 - First support block; 12111 - First connecting part; 12112 - Second connecting part; 1222 - Second support block; 12211 - Shell; 12212 - Reinforcing body; 12213 - First docking part; 12214 - Reinforcing rib; 12215 - Intersection point. Detailed Implementation

[0019] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0020] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0021] In related technologies, besides using cabinets to fix battery packs, some solutions also use mounting racks to fix battery packs. Compared to using cabinets, mounting racks have a simpler structure and lower cost. Typically, a mounting rack consists of four vertical support rods with horizontal plates installed on them for placing the battery packs. This type of mounting rack is complex and requires a large amount of materials.

[0022] Based on the above considerations, this application proposes a battery pack fixing assembly for fixing the battery pack 110.

[0023] As shown in Figure 1, the battery pack fixing assembly includes at least three support members 120. Each support member 120 includes a column 121 and multiple support bodies 122. The multiple support bodies 122 are spaced apart along a preset direction D1 and are respectively connected to the column 121.

[0024] At least three support members 120 are spaced apart and arranged around the periphery of multiple battery packs 110. The column 121 abuts against the side 111 of the battery pack 110 to limit the periphery of the battery pack 110.

[0025] The support body 122 is disposed between two adjacent battery packs 110 and abuts against the bottom surface 112 of the battery pack 110 to support and fix the battery pack 110. In related technologies, the support body 122 supporting the battery pack 110 is a continuous structure, providing line support or surface support for the battery pack 110. This application provides multi-point support for the battery pack 110 by arranging multiple support bodies 122 abutting against the bottom surface 112 of the same battery pack 110 at intervals. This allows the battery pack 110 to be placed stably while simplifying the structure of the support body 122, saving materials, and reducing costs.

[0026] In this embodiment, the support 122 is disposed between two adjacent battery packs 110. The support 122 abuts against the bottom surface 112 of the upper battery pack 110 and also abuts against the top surface 113 of the lower battery pack 110, so as to reduce the volume of the battery pack fixing assembly.

[0027] It should be noted that the preset direction D1 is the height direction of the battery pack 110. The top surface 113 and bottom surface 112 of the battery pack 110 are perpendicular to the preset direction D1, and the side surface 111 of the battery pack 110 is parallel to the preset direction D1.

[0028] As shown in Figure 1, the battery pack 110 has four sides 111 arranged parallel to a preset direction D1. One side 111 is provided with multiple ports for wiring, so that adjacent battery packs 110 can be connected in series or in parallel.

[0029] Each battery pack 110 is placed in the same direction, and the sides 111 for connecting multiple battery packs 110 in series or in parallel are spaced apart along a preset direction D1 to facilitate wiring.

[0030] To avoid interference between the support member 120 and the wires, in this embodiment, the support member 120 is not located on the side where the battery pack 110 is connected, and at least three support members 120 are arranged around the other three sides 111 of the battery pack 110.

[0031] There are two ways to arrange at least three support members 120 rings around the battery pack 110.

[0032] One method is that the column 121 of the support member 120 abuts against three different sides 111 of the battery pack 110. In this way, the three supports 122 abutting against the bottom surface 112 of the same battery pack 110 form a three-point support for the battery pack 110, and the line connecting the three points forms a triangle, which provides stable support for the battery pack 110.

[0033] It is understood that the number of multiple support members 120 located on the same side 111 of the battery pack 110 can be increased or decreased as needed, and the multiple support members 120 abutting against the same side 111 of the battery pack 110 are spaced apart.

[0034] Another method is as shown in Figure 1, where the two opposite sides 111 of the support member 120 abut against each other. In this way, the four support bodies 122 abutting against the bottom surface 112 of the same battery pack 110 form a four-point support for the battery pack 110, and the line connecting the four points forms a quadrilateral, providing stable support for the battery pack 110.

[0035] It is understandable that the number of multiple support members 120 located on the same side 111 of the battery pack 110 can be increased or decreased as needed, and the multiple support members 120 abutting against the same side 111 of the battery pack 110 can be spaced apart.

[0036] In related technologies, some fixtures cannot be disassembled after they are manufactured, and their overall structure and size are fixed, which takes up a lot of space and is not conducive to transportation; some fixtures can be disassembled, but the size of the disassembled parts is large, which is not conducive to storage and transportation.

[0037] To address the aforementioned issues, in some embodiments, the column 121 includes at least one sub-column 1211, and the support 122 includes a first support block 1221. The first support block 1221 connects two adjacent sub-columns 1211 and is positioned between two adjacent battery packs 110, abutting against the bottom surface 112 of the battery pack 110. By providing at least one sub-column 1211, and connecting adjacent sub-columns 1211 via the first support block 1221, the volume of the column 121 can be reduced, facilitating storage and transportation.

[0038] The first support block 1221 has the functions of connecting two adjacent sub-pillars 1211, supporting the battery pack 110, and separating two adjacent battery packs 110 to prevent the battery packs 110 from being squeezed and deformed.

[0039] In some embodiments, the sub-pillar 1211 is provided with two first connecting portions 12111, the two first connecting portions 12111 are arranged at intervals along a preset direction D1, the first connecting portions 12111 are located at the ends of the sub-pillar 1211, and the first support block 1221 is connected to the first connecting portions 12111.

[0040] In this embodiment, as shown in FIG3, the first connecting part 12111 consists of two spaced threaded holes, each threaded hole corresponding to a screw. In other embodiments, the first connecting part 12111 is a snap-fit ​​protrusion or a groove that engages with a protrusion.

[0041] In some embodiments, the sub-pillar 1211 is further provided with at least one second connecting portion 12112, and the at least one second connecting portion 12112 is disposed between the two first connecting portions 12111.

[0042] The support body 122 also includes at least one second support block 1222, which is connected to a second connecting part 12112. The second support block 1222 is disposed between two adjacent battery packs 110 and abuts against the bottom surface 112 of the battery pack 110.

[0043] It is understandable that the length of sub-cylinder 1211 can be set as needed.

[0044] In this embodiment, as shown in Figure 3, the length of each sub-pillar 1211 equals the height of a single battery pack 110 plus the height of a single first support block 1221. This eliminates the need for a second support block 1222, and ensures that each sub-pillar 1211 has uniform specifications, improving processing efficiency. When assembling battery packs 110 of different heights, the length of the sub-pillar 1211 can be adjusted accordingly.

[0045] In other embodiments, as shown in Figure 4, the length of the sub-pillar 1211 = N * height of the battery pack 110 + height of the first support block 1221 + M * height of the second support block 1222. Where N and M are both positive integers, N ≥ 2, M ≥ 1. By increasing the length of the sub-pillar 1211, the assembly efficiency of the battery pack fixing assembly and multiple battery packs 110 can be improved. Furthermore, by adjusting the connection position between the second support block 1222 and the sub-pillar 1211, the sub-pillar 1211 can accommodate battery packs 110 of different heights.

[0046] In this embodiment, the sub-pillar 1211 is in the shape of a long strip plate, reducing material consumption and lowering costs. In other embodiments, the sub-pillar 1211 has a long, hollow structure, such as a square, triangular, I-shaped, or D-shaped cross-section, which improves stability, reduces weight, and lowers costs.

[0047] In this embodiment, the first support block 1221 and the second support block 1222 have the same structure, and the consistency of the support body 122 is good, which reduces processing steps and lowers costs.

[0048] In some embodiments, the first support block 1221 includes a housing 12211 and a reinforcing body 12212, with the reinforcing body 12212 housed within the housing 12211. This design gives the first support block 1221 a hollow structure, reducing material consumption and lowering costs. Simultaneously, the reinforcing body 12212 enhances the strength of the first support block 1221, reducing or even preventing deformation and extending its service life.

[0049] The reinforcing body 12212 is provided with two first mating portions 12213, which are respectively connected to the first connecting portions 12111 of the adjacent sub-pillars 1211. As shown in Figure 3, the first mating portion 12213 consists of two spaced threaded holes that are connected to the screws in the first connecting portion 12111. The shape and structure of the first mating portion 12213 can be adjusted accordingly as the first connecting portion 12111 changes.

[0050] It should be noted that the first connecting part 12111 and the first docking part 12213 can also be electrically connected, so that the sub-pillar 1211 and the first support block 1221 are electrically connected.

[0051] In some embodiments, the reinforcing body 12212 includes a plurality of reinforcing ribs 12214, the end of each reinforcing rib 12214 being connected to the inner wall of the housing 12211. The plurality of reinforcing ribs 12214 are arranged intersectingly to form an intersection point 12215, and the cross-section of the intersection point 12215 is annular. Annular refers to a two-dimensional shape with closed edges, such as a circle, square, triangle, polygon, etc.

[0052] As shown in Figure 5, the four reinforcing ribs 12214 are connected in a cross shape, and the intersection point 12215 is located at the center of the shell 12211, so that the reinforcing body 12212 provides effective and uniform support for the shell 12211 in four directions.

[0053] Compared to a solid intersection point 12215, by setting the cross-section of intersection point 12215 to be annular, the force-bearing surface of intersection point 12215 is increased, the pressure-bearing capacity of reinforcing body 12212 is enhanced, and it can also provide a fixing surface to fix the first docking part 12213.

[0054] By incorporating the reinforcing element 12212, the first support block 1221 gains excellent load-bearing capacity. As shown in Figures 1 and 2, the four bottommost first support blocks 1221 provide support for the entire battery pack fixing assembly. Furthermore, the first support blocks 1221 are not easily deformed, eliminating the need for additional support bases and reducing costs.

[0055] In some embodiments, the sub-column 1211 is a sheet metal part, and the first support block 1221 is an aluminum extrusion. The cost of a single aluminum extrusion and sheet metal part is approximately 5 to 6 yuan, which is significantly more economical than the customized cabinets and mounting brackets in related technologies.

[0056] Sheet metal parts refer to metal components manufactured using sheet metal processing techniques.

[0057] Aluminum extrusion parts are components manufactured through an aluminum extrusion process. Aluminum extrusion is used to produce various profiles with complex cross-sections. Aluminum extrusion parts have advantages such as being lightweight, high-strength, having good thermal and electrical conductivity, and corrosion resistance.

[0058] In related technologies, multiple battery packs stored in a cabinet or rack need to be connected to an external grounding point by connecting the grounding terminals of each battery pack through a grounding wire. This requires the use of a grounding wire and multiple connection operations.

[0059] To address the aforementioned issues, this application also provides an energy storage device 1000, including a plurality of battery packs 110 and the battery pack fixing assembly in any of the above embodiments.

[0060] Multiple battery packs 110 are spaced apart along a preset direction D1. Each battery pack 110 includes a housing 114, a support body 122, and a column 121 that are electrically connected. At least one support member 120 is electrically connected to the housing 114, so that the support body 122 and the column 121 can replace the grounding wire, eliminating the need to install a grounding wire and reducing costs.

[0061] In this embodiment, the support 122 and the column 121 are made of metal material, and the outer shell 114 is provided with a conductive area 115. The conductive area 115 is located at the contact position between the column 121 and the outer shell 114 and / or the conductive area 115 is located at the contact position between the support 122 and the outer shell 114.

[0062] It should be noted that the outer casing 114 of the battery pack 110 is typically provided with an insulating coating, while the conductive area 115 is not provided with an insulating coating. The outer casing 114 without an insulating coating can be electrically connected by abutting against the support 122 or the column 121, which is a simple and practical structure.

[0063] In this embodiment, the conductive region 115 is rectangular in shape. In other embodiments, the shape of the conductive region 115 can be set as needed.

[0064] In this embodiment, as shown in FIG1, the conductive areas 115 of the multiple battery packs 110 are uniformly arranged at the contact position between the sub-pillar 1211 and the outer shell 114. In this way, the current on the outer shell 114 of each battery pack 110 is transmitted to the corresponding sub-pillar 1211, and adjacent sub-pillars 1211 are connected through the first support block 1221, so that the outer shells 114 of the multiple battery packs 110 are electrically connected through the support member 120.

[0065] In this embodiment, the energy storage device 1000 is also provided with a grounding terminal (not shown). The grounding terminal is located on any battery pack 110 and is electrically connected to the outer casing 114 of the battery pack 110. The grounding terminal is then connected to an external grounding point through a grounding wire, so that all battery packs 110 are grounded, simplifying the installation.

[0066] In other embodiments, grounding can also be achieved by setting a grounding base and installing the lowest first support block 1221 on the grounding base; or the grounding terminal can be set on the support 120 and then connected to the external grounding point through a grounding wire to ground all battery packs 110, simplifying the installation.

[0067] This application also provides an energy storage device, including the energy storage device 1000 in any of the above embodiments. Therefore, it has all the beneficial effects of the energy storage device 1000 in any of the above embodiments, which will not be described in detail here.

[0068] The rack-mounted energy storage product is assembled by the support component 120 and the battery pack 110. Compared with the 19-inch standard rack or non-standard rack in related technologies, it has a simple structure and low cost, which can reduce the selling price and benefit users economically.

[0069] In the description of this specification, the references to the terms "embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0070] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery pack fixing assembly, comprising: At least three support members, each of the support members including a column and a plurality of support bodies, the plurality of support bodies being spaced apart along a preset direction and respectively connected to the column; The at least three support members are spaced apart and arranged around the periphery of multiple battery packs. The column is used to abut against the side of the battery pack. The support body is located between two adjacent battery packs and abuts against the bottom surface of the battery pack. The multiple support bodies abutting against the bottom surface of the same battery pack are spaced apart.

2. The battery pack fixing assembly according to claim 1, wherein the column includes at least one sub-column, the support includes a first support block, two adjacent sub-columns are connected by the first support block, the first support block is disposed between two adjacent battery packs and abuts against the bottom surface of the battery pack.

3. The battery pack fixing assembly according to claim 2, wherein the sub-column is provided with two first connecting portions, the two first connecting portions are spaced apart along the preset direction, the first connecting portions are located at the ends of the sub-column, and the first support block is connected to the first connecting portions.

4. The battery pack fixing assembly according to claim 3, wherein the sub-column is further provided with at least one second connecting portion, the at least one second connecting portion being disposed between two first connecting portions; The support body further includes at least one second support block, each second support block being connected to a second connecting portion. The second support block is disposed between two adjacent battery packs and abuts against the bottom surface of the battery pack.

5. The battery pack fixing assembly according to claim 3, wherein the first support block includes a housing and a reinforcing body, the reinforcing body is housed within the housing, and the reinforcing body is provided with two first mating portions, the two first mating portions respectively engaging with the first connecting portions of the adjacent sub-pillars.

6. The battery pack fixing assembly according to claim 5, wherein the reinforcing body includes a plurality of reinforcing ribs, the end of each reinforcing rib being connected to the inner wall of the housing, and the plurality of reinforcing ribs being arranged crosswise.

7. An energy storage device, comprising: Multiple battery packs are spaced apart along the preset direction, and each battery pack includes a housing. The battery pack fixing assembly according to any one of claims 1 to 6, wherein the support body and the column are electrically connected, and at least one of the support members is electrically connected to the outer casing.

8. The energy storage device according to claim 7, wherein the support body and the column are made of metal material, and the outer shell is provided with a conductive area, the conductive area being located at the contact position between the column and the outer shell and / or the conductive area being located at the contact position between the support body and the outer shell.

9. The energy storage device according to claim 7, wherein the energy storage device is further provided with a grounding terminal, the grounding terminal being electrically connected to the outer casing.

10. An energy storage device, comprising the energy storage device according to any one of claims 7 to 9.

Images