Battery pack base and battery pack

Abstract

The utility model relates to the technical field of batteries, in particular to a battery pack base and a battery pack, the battery pack base comprises a plurality of supporting pieces, and every two adjacent supporting pieces are arranged at intervals; the connecting pieces are arranged between the two adjacent supporting pieces, and the connecting pieces are detachably connected with the two adjacent supporting pieces respectively; the limiting piece is arranged on the supporting piece and is used for fixing the battery pack; and the sealing piece is arranged on the supporting piece, a sealing cavity is formed in the sealing piece, a connector of the battery pack is inserted into the sealing cavity, and the connector of the battery pack is in sealing connection with the sealing piece. According to the battery pack base and the battery pack provided by the invention, the overall weight of the battery pack base can be reduced, the stability of the overall framework of the battery pack base is ensured, the structure of the battery pack base is simplified, and the production efficiency of the battery pack base is improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a battery pack base and a battery pack. Background Art

[0002] In recent years, photovoltaic distributed energy storage has experienced rapid development. Lithium batteries, as a key component of photovoltaic energy storage, are widely used in daily life and industrial production. Currently, lithium batteries used as photovoltaic energy storage batteries may need to be fixed in place for a long time. Due to the large number of lithium batteries installed, it is necessary to increase the speed of battery installation and shorten the project cycle. In engineering practice, stacking batteries is often used, including horizontal and vertical stacking, with vertical stacking being the most common method.

[0003] However, the existing vertically stacked battery pack base is relatively complex in design, large in size, and the base is easily deformed. Utility Model Content

[0004] The present application provides a battery pack base and a battery pack to solve the technical problems of the existing battery pack base being large in size and easy to deform.

[0005] On the one hand, the present application provides a battery pack base, including multiple support members, with adjacent support members arranged at intervals; a connecting member, arranged between two adjacent support members, and the connecting member is detachably connected to the two adjacent support members, and the support members and the connecting member are enclosed to form an installation area, and the installation area is used to place the battery pack; a limiting member, arranged on the support member, and the limiting member is used to fix the battery pack; a sealing member, arranged on the support member, and a sealing cavity is provided in the sealing member, and the sealing cavity is used for inserting the connector of the battery pack, and the connector of the battery pack is sealed and connected to the sealing member.

[0006] As one of the optional embodiments of this solution, a mounting groove with an opening on one side is provided in the support member, the sealing member is at least partially inserted in the mounting groove, a sealing gasket is provided in the mounting groove, and a sealing ring is provided on the side of the sealing member away from the sealing gasket. The sealing ring is arranged around the opening and is in contact with the battery pack.

[0007] As one of the optional embodiments of this solution, the connecting member includes a connecting portion and a bending portion, the two ends of the connecting portion are respectively placed on two adjacent supporting members, the connecting portion is connected to the supporting members, the bending portion is arranged at the edge of the connecting portion, and the bending portion is bent from the edge of the connecting portion toward the side close to the connecting portion.

[0008] As one of the optional embodiments of this solution, the connecting member further includes a mounting portion, one end of the mounting portion is connected to the connecting portion, and the other end is connected to the supporting member, and the mounting portion is arranged vertically or obliquely to the connecting portion.

[0009] As one of the optional embodiments of this solution, the limiting part includes a fixing part and a limiting part. The fixing part is connected to the supporting part. The limiting part is arranged on the side of the fixing part away from the supporting part. The side of the limiting part away from the fixing part is inclined toward the installation area, and the limiting part is in contact with the battery pack.

[0010] As one of the optional embodiments of the present solution, the battery pack base has a first direction and a second direction set at an angle α, and the angle α satisfies 80°≤α≤100°. The limiter includes a first limiter and a second limiter, and each support member is provided with at least one first limiter and at least one second limiter, the first limiter is set toward the first direction, and the second limiter is set toward the second direction.

[0011] As one of the optional embodiments of this solution, a mounting hole is provided on the limiting member, the mounting hole passes through the limiting member, and the mounting hole is used for the fixing member to pass through.

[0012] As one of the optional embodiments of this solution, each support member is provided with a plurality of mounting grooves, each of which is configured for inserting a sealing member.

[0013] As one of the optional embodiments of this solution, a protective sheet is provided on a side of each support member facing away from the connecting member, and the protective sheet is connected to the support member and covers the support member.

[0014] On the other hand, the present application also provides a battery pack, including a battery pack and a battery pack base as described above, wherein the battery pack is arranged on the battery pack base.

[0015] One of the above technical solutions has the following advantages or beneficial effects:

[0016] Connecting the support members via connectors reduces the overall weight of the battery pack base while also ensuring the stability of the overall frame, making it less susceptible to deformation during use. Furthermore, in this embodiment, each support member has the same structure, allowing for the use of a common mold. Each connector can also be extruded through a single mold, with subsequent machining to achieve assembly. Thus, the battery pack base provided by this application simplifies its structure and improves its production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings will make the technical solutions and other beneficial effects of the present application apparent.

[0018] Figure 1 This is a schematic structural diagram of a battery pack base provided in one embodiment of the present application;

[0019] Figure 2is an exploded view of a battery pack base provided in one embodiment of the present application;

[0020] Figure 3 This is a structural diagram of a connector provided by an embodiment of the present application;

[0021] Figure 4 is a structural schematic diagram of another connecting member provided in one embodiment of the present application;

[0022] Figure 5 Schematic diagram of the structure of a limiter provided in one embodiment of the present application.

[0023] Reference numerals:

[0024] 1. Support member; 10. Mounting groove; 11. Sealing gasket; 12. Sealing ring; 13. Mounting area; 2. Connecting member; 20. Mounting portion; 21. Connecting portion; 22. Bending portion; 3. Limiting member; 30. Fixing portion; 31. Limiting portion; 32. Mounting hole; 33. First limiting member; 34. Second limiting member; 4. Sealing member; 40. Sealing cavity; 41. Sealing plate; 5. Protective sheet; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0026] In the description of this application, it should be noted that, unless otherwise specified or limited, the term "and / or" herein is merely a description of an association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, and B exists alone. Furthermore, the character " / " herein, unless otherwise specified, generally indicates that the associated objects are in an "or" relationship.

[0027] Currently, batteries are often stacked to secure them in place for a long time. However, existing battery mounting bases are often bulky and prone to deformation, and some bases have complex structures and low production efficiency.

[0028] To this end, the present application provides a battery pack base and battery pack. The battery pack base and battery pack provided in the present application utilize a combination of aluminum profiles and sheet metal, simplifying the base structure and improving production efficiency. Furthermore, the base volume can be reduced while ensuring structural strength. The battery pack base provided in the present application is described in detail below.

[0029] In order to describe the technical solution more clearly, the definition is as follows Figure 1 As shown in the figure, the first direction X, the second direction Y and the third direction Z are intersecting. Preferably, the first direction X, the second direction Y and the third direction Z are perpendicular to each other. It can be understood that the first direction X, the second direction Y and the third direction Z are not absolutely perpendicular to each other, and a certain angle α is also considered to be perpendicular to each other. For example, the angle α between the two intersecting directions satisfies 80°≤α≤100°.

[0030] For details, see Figure 1 and Figure 2 The battery pack base includes multiple support members 1, connectors 2, stoppers 3, and seals 4. Adjacent support members 1 are spaced apart, and connectors 2 are positioned between them. Connectors 2 are detachably connected to each of the two adjacent support members 1. The support members 1 and connectors 2 enclose a mounting area 13 for placing the battery pack. Stoppers 3 are located on the support members 1 and are designed to contact and secure the battery pack. Seal 4 is located on the support member 1 and contains a sealed cavity 40 for inserting the battery pack connector. The battery pack connector is sealed to seal 4.

[0031] It will be appreciated that in this embodiment, two support members 1 are provided, spaced apart along a first direction X. Two connectors 2 are provided, spaced apart along a second direction Y between the two support members 1. The connectors 2 overlap the support members 1 to connect the two support members 1, and are fixed to the support members 1 via bolts. The support members 1 are specifically support blocks that support the battery pack, and the connectors 2 are specifically connecting bars. The connecting bars connect the support blocks. This reduces the overall weight of the battery pack base, allowing the connecting bars and support blocks to be separated for easy transportation and installation. Furthermore, it ensures the stability of the overall frame of the battery pack base, preventing deformation during use. Furthermore, in this embodiment, each support member 1 has the same structure, allowing the use of a common mold. Each connector 2 can also be extruded using a single mold and then later machined for assembly. The battery pack base of this application utilizes sheet metal and profiles, simplifying its design. Thus, the battery pack base provided by this application can simplify its structure and improve its production efficiency.

[0032] For further information, see Figure 2A mounting groove 10 with an opening on one side is provided on the support member 1. The seal 4 is at least partially inserted into the mounting groove 10 along the third direction Z. The mounting groove 10 is provided with a sealing gasket 11. A sealing ring 12 is provided on the side of the seal 4 away from the sealing gasket 11. The sealing ring 12 is arranged around the opening. The sealing ring 12 is used to contact the battery pack to achieve sealing of the battery pack connector in the mounting groove 10, minimize external dust or liquid from entering the mounting groove 10, and protect the battery pack connector.

[0033] It is understood that in this embodiment, the seal 4 is specifically a sealing block, which can be open on one side or open at both ends. The two-end openings, i.e., the mounting groove 10, penetrates the seal 4 along the third direction Z. When the seal 4 is open on one side, the sealing gasket 11 is arranged on the inner bottom wall of the seal 4; when the seal 4 is open on both ends, a sealing plate 41 is fixed to the bottom of the seal 4, and the sealing plate 41 and the seal 4 are fixedly connected by bolts. The sealing gasket 11 is laid on the side of the sealing plate 41 facing the mounting groove 10. In this way, by providing the sealing gasket 11 on one side of the seal 4 in the third direction Z and the sealing ring 12 on the other side, it is possible to ensure that the battery pack connector is well sealed in the mounting groove 10, isolating it from external dust or liquid, and ensuring the service life of the battery pack.

[0034] Furthermore, each support member 1 is provided with a plurality of mounting slots 10, which may be two, three or more. Figure 2 The diagram illustrates an embodiment with two mounting slots 10. It will be appreciated that the size and position of the mounting slots 10 on each support member 1 vary to accommodate connectors located in different positions on different battery packs. In other words, the number, size, and position of the mounting slots 10 on each support member 1 can be adjusted based on the number, size, and position of the connectors on the battery pack, and this is not a limitation here. By providing at least one mounting slot 10 on each support member 1, the present application improves the adaptability of the battery pack base, allowing it to accommodate at least one type of battery pack.

[0035] In one embodiment, see Figure 3 and Figure 4The connecting member 2 includes a connecting portion 21 and a bending portion 22. The connecting portion 21 and the bending portion 22 are fixedly connected. One end of the connecting portion 21 along the first direction X is fixed to a support member 1, and the other end is fixed to another support member 1. The bending portion 22 is fixed to the edge of the connecting portion 21 in the first direction X, and the bending portion 22 is bent along the second direction Y from the edge of the connecting portion 21 toward the side close to the connecting portion 21. It can be understood that the connecting portion 21 and the bending portion 22 are preferably integrally formed, or they can be welded or fixed by bolts, etc., which is not limited here. In this embodiment, the connecting portion 21 is preferably fixed to the support member 1 by bolts. In other embodiments, it can also be fixed to the support member 1 by welding or other means, which is not limited here.

[0036] In addition, in this embodiment, two bending portions 22 are provided, and are respectively provided on both sides of the connecting portion 21 along the second direction Y. Each bending portion 22 is L-shaped. The two bending portions 22 can be bent along the third direction Z toward the side close to the connecting portion 21, or can be bent in the opposite direction of the third direction Z toward the side close to the connecting portion 21, for example Figure 4 The two connecting portions 21 may also be bent along the third direction Z toward one side close to the connecting portion 21, and the other bent along the opposite direction of the third direction Z toward the side close to the connecting portion 21, for example Figure 3 The provision of the bent portion 22 helps to make the edge of the connector 2 rounded and smooth, making it easier for operators to extract and transfer the battery pack base during assembly, thereby ensuring safety when operators transfer the battery pack base.

[0037] In some embodiments, the connector 2 further includes a mounting portion 20, one end of the mounting portion 20 is fixedly connected to the connecting portion 21, and the other end is connected to the support member 1, and the mounting portion 20 and the connecting portion 21 are arranged vertically or obliquely. It is not difficult to understand that in this embodiment, the mounting portion 20 and the connecting portion 21 are integrally formed, and in other embodiments, they can also be welded or connected in other ways, which is not limited here. The mounting portion 20 and the support member 1 are fixed by bolts, and in other embodiments, they can also be welded, etc., which is not limited here. In this embodiment, the connecting portion 21 and the mounting portion 20 are preferably arranged vertically, and in other embodiments, the mounting portion 20 and the connecting portion 21 can be arranged at a certain angle, for example, the angle range is 60° to 120°, etc., which is not limited here. By setting the mounting portion 20, the contact area between the connector 2 and the support member 1 can be increased, and by setting the mounting portion 20 and the connecting portion 21 vertically, the structural strength of the battery pack base can be enhanced, and a better connection effect can be achieved.

[0038] See Figure 1 and Figure 5The limiting member 3 includes a fixing portion 30 and a limiting portion 31. The fixing portion 30 is fixedly connected to the support member 1. The limiting portion 31 is fixed to the side of the fixing portion 30 facing away from the support member 1. The side of the limiting portion 31 away from the fixing portion 30 is tilted toward the installation area 13, and the limiting portion 31 is in contact with the battery pack. The limiting member 3 includes a first limiting member 333 and a second limiting member 343. Each support member 1 is provided with at least one first limiting member 333 and at least one second limiting member 343. The first limiting member 333 is arranged in the first direction X, and the second limiting member 343 is arranged in the second direction Y. The first limiting members 333 on the two support members 1 limit the battery pack in the first direction X, and the second limiting members 343 limit the battery pack in the second direction Y. It is not difficult to understand that the battery packs described in this application are all battery packs with a shell on the outside. There is a card slot at the bottom of the shell outside the battery pack (not shown in the figure). By tilting the limiting part 31 away from the fixing part 30 and toward the installation area 13, the limiting part 31 is stuck in the card slot at the bottom of the battery pack, which helps to achieve a better positioning effect.

[0039] In some embodiments, mounting holes 32 are defined in the first retaining member 333 and / or the second retaining member 343. These holes 32 extend through the retaining member 3 and are intended for insertion of a fixing member (not shown). In this embodiment, the fixing member is a bolt. Inserted into the mounting holes 32, the fixing member contacts the battery pack housing, securing the battery pack. In other embodiments, the fixing member may be a stud, etc., which is not limited here.

[0040] Furthermore, each support member 1 is provided with a protective sheet 5 on the side facing away from the connector 2 in the third direction Z. The protective sheet 5 is connected to the support member 1 and covers the support member 1. Specifically, the protective sheet 5 is fixedly connected to the support member 1 by bolts. In other embodiments, the protective sheet 5 can also be connected to the support member 1 by welding, which is not limited here. The provision of the protective sheet 5 increases the contact area between the support member 1 and the ground, preventing damage to the support member 1 or the ground from scratches, and thus protecting the support member 1 and the ground.

[0041] In addition, the present application also provides a battery pack, including a battery pack and a battery pack base as described above, and the battery pack is fixedly mounted on the battery pack base. The battery pack provided by the present application can reduce the overall weight of the battery pack base, and can also ensure the stability of the overall frame of the battery pack base, so that the battery pack base is not easily deformed during use. In addition, the battery pack provided by the present application can simplify the structure of the battery pack base and improve the production efficiency of the battery pack base. The present application adopts an assembly method of extruded aluminum profiles and sheet metal to reduce the cost and optimize the existing battery pack base, which not only ensures the sealing, support, limiting and other functionality of the original base, but also can be better assembled and fixed with the battery pack.

[0042] The above description is only a partial implementation of the embodiments of the present application and does not constitute any form of limitation to the application. The protection scope of the embodiments of the present application is not limited thereto. Any simple modifications, equivalent changes and modifications that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the embodiments of the present application should be covered within the protection scope of the embodiments of the present application.

Claims

1. A battery pack base, characterized in that: include: A plurality of support members (1), wherein two adjacent support members (1) are arranged at intervals; A connecting member (2) is provided between two adjacent supporting members (1), the connecting member (2) being detachably connected to the two adjacent supporting members (1), the supporting members (1) and the connecting member (2) forming a mounting area (13), and the mounting area (13) being used for placing a battery pack; A limiting member (3) is provided on the supporting member (1), and the limiting member (3) is used to fix the battery pack; A sealing member (4) is provided on the support member (1), wherein a sealing cavity (40) is provided in the sealing member (4), and the sealing cavity (40) is used for inserting a connector of the battery pack, and the connector of the battery pack is sealedly connected to the sealing member (4).

2. The battery pack base according to claim 1, wherein: The support member (1) is provided with a mounting groove (10) with an opening on one side, the sealing member (4) is at least partially inserted into the mounting groove (10), a sealing gasket (11) is provided in the mounting groove (10), a sealing ring (12) is provided on a side of the sealing member (4) away from the sealing gasket (11), and the sealing ring (12) is arranged around the opening and in contact with the battery pack.

3. The battery pack base according to claim 1, wherein: The connecting member (2) comprises a connecting portion (21) and a bending portion (22), the two ends of the connecting portion (21) are respectively placed on two adjacent supporting members (1), the connecting portion (21) is connected to the supporting members (1), the bending portion (22) is arranged at the edge of the connecting portion (21), and the bending portion (22) is bent from the edge of the connecting portion (21) toward a side close to the connecting portion (21).

4. The battery pack base according to claim 3, wherein: The connecting member (2) further comprises a mounting portion (20), one end of the mounting portion (20) being connected to the connecting portion (21), and the other end being connected to the supporting member (1), and the mounting portion (20) and the connecting portion (21) being arranged vertically or obliquely.

5. The battery pack base according to claim 1, wherein: The limiting member (3) comprises a fixing portion (30) and a limiting portion (31), wherein the fixing portion (30) is connected to the support member (1), and the limiting portion (31) is arranged on a side of the fixing portion (30) away from the support member (1), and the side of the limiting portion (31) away from the fixing portion (30) is inclined toward the installation area (13), and the limiting portion (31) is in contact with the battery pack.

6. The battery pack base according to claim 1, wherein: The battery pack base has a first direction (X) and a second direction (Y) arranged at an angle α, wherein the angle α satisfies 80°≤α≤100°, the limiting member (3) comprises a first limiting member (33) and a second limiting member (34), and each of the supporting members (1) is provided with at least one first limiting member (33) and at least one second limiting member (34), the first limiting member (33) is arranged toward the first direction (X), and the second limiting member (34) is arranged toward the second direction (Y).

7. The battery pack base according to claim 1, wherein: The position-limiting member (3) is provided with a mounting hole (32), the mounting hole (32) passes through the position-limiting member (3), and the mounting hole (32) is used for allowing a fixing member to pass through.

8. The battery pack base according to claim 1, wherein: A plurality of mounting grooves (10) are provided on each of the support members (1), and the mounting grooves (10) are configured for the sealing members (4) to be inserted into.

9. The battery pack base according to claim 1, wherein: A protective sheet (5) is provided on the side of each support member (1) facing away from the connecting member (2); the protective sheet (5) is connected to the support member (1), and the protective sheet (5) covers the support member (1).

10. A battery pack, characterized in that: It comprises a battery pack and a battery pack base according to any one of claims 1 to 9, wherein the battery pack is arranged on the battery pack base.

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