Hanging structure, battery box, battery pack and vehicle

By adopting a mounting structure in the battery pack, including mounting plate, reinforcement block and connector, the installation of reinforcement beams inside the battery pack is avoided, and the problems of low space utilization and integration efficiency of the battery pack in the prior art are solved, and the safety and reliability of the battery pack are improved.

CN119749208AInactive Publication Date: 2025-04-04BEIJING CHEHEJIA AUTOMOBILE TECH CO LTD
View PDF 5 Cites 0 Cited by

Patent Information

Application Number
CN202411379499.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-04-04
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The battery packs of existing electric vehicles need to be equipped with reinforcement beams to avoid stress concentration, resulting in reduced internal space utilization, reduced integration efficiency, and reduced safety and reliability.

Method used

The mounting structure is adopted, including a mounting plate, a reinforcement block and a connecting piece. The reinforcement block is fixed to the mounting plate. The connecting piece is connected to the reinforcement block and the mounting plate through a fixing head and connecting rod to avoid the installation of reinforcement beams inside the battery pack.

Benefits of technology

It improves the space utilization rate and cell integration efficiency in the battery pack, reduces the use of connectors, reduces the area that needs to be sealed, and makes the battery pack safer and more reliable.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119749208A_ABST
    Figure CN119749208A_ABST
Patent Text Reader

Abstract

The invention belongs to the technical field of vehicles, and discloses a mounting structure, a battery box, a battery pack and a vehicle, the mounting structure comprises a mounting plate, a reinforcing block and a connecting piece, the reinforcing block is fixed to the mounting plate, a containing groove is formed in the side, facing the mounting plate, of the reinforcing block, and a penetrating hole is formed in the bottom of the containing groove; the connecting piece comprises a fixing head and a connecting rod which are connected with each other, the fixing head extends into the containing groove, the connecting rod is arranged in the penetrating hole in a penetrating mode, the battery box comprises the hanging structure, the battery pack comprises the battery box, and the vehicle comprises the battery pack. According to the battery pack, the reinforcing block is connected to the mounting plate and supports the connecting piece, so that the connecting piece is safely and reliably positioned and fixed, the mounting plate is connected to the battery pack, and the connecting piece is connected to an external structure, so that a reinforcing beam is prevented from being arranged in the battery pack, and the space utilization rate in the battery pack and the integration efficiency of battery cells are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and in particular to a mounting structure, a battery box, a battery pack and a vehicle. Background Art

[0002] In the prior art, a common power battery integration solution for electric vehicles is to pre-assemble the battery pack as a whole, and then later assemble the battery pack onto the chassis of the entire vehicle. In this solution, a mounting structure needs to be provided on the battery pack.

[0003] Due to the large size and high weight of existing battery packs, when setting up the mounting structure, it is necessary to set reinforcing beams between the battery cells in the battery pack. The reinforcing beams can be longitudinal beams extending along the length direction of the battery pack, or transverse beams extending along the width direction of the battery pack. The battery pack is connected to the mounting structure through the reinforcing beams to avoid stress concentration and ensure the safety and reliability of the battery pack mounting.

[0004] To ensure sufficient bearing capacity, the width of the reinforcing beam in the battery pack is generally 80-120mm, which is relatively large in size, reducing the utilization rate of the internal space of the battery pack. In addition, the internal space of the battery pack will be divided into multiple areas by the reinforcing beam, reducing the integration efficiency of the battery cells, increasing the use of connectors, expanding the area that needs to be sealed, and reducing the safety and reliability of the battery pack. Summary of the invention

[0005] An object of the present invention is to provide a mounting structure, a battery box, a battery pack and a vehicle, which can effectively improve the space utilization rate in the battery pack.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] Mounting structure, including:

[0008] Mounting plate;

[0009] A reinforcing block, wherein the reinforcing block is fixed to the mounting plate, a side of the reinforcing block facing the mounting plate is provided with a receiving groove, and a through hole is provided at the bottom of the receiving groove;

[0010] The connecting piece includes a fixing head and a connecting rod which are connected to each other, the fixing head extends into the containing groove, and the connecting rod is penetrated into the penetration hole.

[0011] Preferably, the mounting plate is provided with an avoidance hole, the projection of the avoidance hole toward the reinforcement block covers the accommodating groove, the avoidance hole and the accommodating groove are combined to form an avoidance space, and the fixing head is located in the avoidance space.

[0012] Preferably, the height of the avoidance space is not less than the height of the fixed head.

[0013] Preferably, the reinforcement block is provided with a connecting hole, the inner wall of the connecting hole is provided with a first connecting ring, and the first connecting ring is connected to the mounting plate by laser welding.

[0014] Preferably, the reinforcement block is provided with a plurality of connection holes, and each of the connection holes is provided with a first connection ring.

[0015] Preferably, a second connecting ring is provided on the outer periphery of the reinforcement block, and the second connecting ring is connected to the mounting plate by laser welding.

[0016] Preferably, a plurality of riveting teeth are provided on a side of the fixing head facing the connecting rod, the plurality of riveting teeth are arranged in sequence along the circumference of the connecting rod, and the riveting teeth are installed in the accommodating groove by riveting.

[0017] Preferably, the mounting plate is connected to a plurality of the reinforcing blocks, and each of the reinforcing blocks is provided with a connecting piece.

[0018] Preferably, the mounting plate is in the shape of an elongated strip, and a plurality of the reinforcement blocks are arranged in sequence along the length direction of the mounting plate.

[0019] The battery box comprises a box body and the above-mentioned mounting structure, wherein a containing space is arranged inside the box body, and a side of the top surface of the box body facing away from the containing space is connected to the mounting structure.

[0020] Preferably, the box body includes a lower shell, a temperature equalizing plate and a flow channel plate, the accommodating space is arranged in the lower shell, the temperature equalizing plate and the flow channel plate are sealed and connected to form an upper cover, a cooling flow channel is formed between the temperature equalizing plate and the flow channel plate, the upper cover covers the opening of the lower shell, the flow channel plate is located on the side of the temperature equalizing plate away from the accommodating space, and the mounting plate is fixed to the side of the flow channel plate away from the temperature equalizing plate.

[0021] Preferably, a plurality of mounting plates are arranged on the flow channel plate, and the plurality of mounting plates are arranged in sequence and spaced apart along the length direction of the flow channel plate.

[0022] Preferably, the reinforcing block and the connecting piece are assembled to form a first component, the temperature equalizing plate, the flow channel plate and the mounting plate are brazed together to form a second component, and the first component is laser welded to the second component.

[0023] Preferably, the reinforcing block and the connecting piece are assembled to form a first component, and the first component, the temperature equalizing plate, the flow channel plate and the mounting plate are welded into one by brazing.

[0024] A battery pack comprises a battery cell and the above-mentioned battery box, wherein the battery cell is arranged in the accommodating space, and one end of the battery cell away from the pole is connected to the top surface of the box body facing the side of the accommodating space.

[0025] A vehicle comprises a vehicle body and the above-mentioned battery pack, wherein the connecting member is connected to the vehicle body.

[0026] Beneficial effects of the present invention:

[0027] The reinforcement block is connected to the mounting plate to support the connector, avoiding stress concentration and ensuring that the connector is safely and reliably positioned and fixed. The mounting plate is connected to the battery pack, and the connector is connected to the external structure, thereby avoiding the need to set a reinforcing beam inside the battery pack, thereby improving the space utilization inside the battery pack and the integration efficiency of the battery cells, reducing the use of connectors, and reducing the area that needs to be sealed, making the battery pack safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the mounting structure, the temperature balancing plate and the flow channel plate in cooperation with each other according to an embodiment of the present invention;

[0029] Figure 2 It is a side view of the mounting structure, the temperature balancing plate and the flow channel plate according to the embodiment of the present invention;

[0030] Figure 3 yes Figure 2 The enlarged view of point A in the middle;

[0031] Figure 4 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention;

[0032] Figure 5 is a structural schematic diagram of a reinforcement block according to an embodiment of the present invention;

[0033] Figure 6 is a schematic structural diagram of a connecting member according to an embodiment of the present invention;

[0034] Figure 7 It is a schematic structural diagram of a reinforcement block and a connecting piece matched with each other according to an embodiment of the present invention;

[0035] Figure 8 It is a schematic structural diagram of another reinforcement block and a connecting piece matched with each other according to an embodiment of the present invention.

[0036] In the figure:

[0037] 1. Mounting plate; 11. Avoidance hole;

[0038] 2. reinforcement block; 21. receiving groove; 22. mounting hole; 23. connecting hole; 24. first connecting ring; 25. second connecting ring;

[0039] 3. Connecting piece; 31. Fixed head; 32. Connecting rod; 33. Riveting teeth;

[0040] 4. Temperature balancing board;

[0041] 5. Runner plate. DETAILED DESCRIPTION

[0042] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar parts or parts having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0043] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, it can be a mechanical connection or an electrical connection, it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the description of the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0045] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0046] Embodiment 1

[0047] like Figure 1-Figure 7As shown, the present invention provides a mounting structure, including a mounting plate 1, a reinforcement block 2 and a connecting member 3. The reinforcement block 2 is fixed to the mounting plate 1, a side of the reinforcement block 2 facing the mounting plate 1 is provided with a receiving groove 21, a groove bottom of the receiving groove 21 is provided with a through hole 22, and the connecting member 3 includes a fixing head 31 and a connecting rod 32 connected to each other, the fixing head 31 extends into the receiving groove 21, and the connecting rod 32 is passed through the through hole 22.

[0048] In the present invention, the reinforcing block 2 is connected to the mounting plate 1 to support the connecting member 3, thereby avoiding stress concentration and ensuring that the connecting member 3 is safely and reliably positioned and fixed. The mounting plate 1 is connected to the battery pack, and the connecting member 3 is connected to the external structure, thereby avoiding the need to set a reinforcing beam inside the battery pack, thereby improving the space utilization rate and the integration efficiency of the battery cells inside the battery pack, reducing the use of connecting members, and reducing the area that needs to be sealed, making the battery pack safer and more reliable.

[0049] In this embodiment, the connecting member 3 is a bolt, the fixing head 31 thereof is a flange structure, and the connecting rod 32 is a threaded rod.

[0050] Specifically, the mounting plate 1 is provided with an avoidance hole 11, the projection of the avoidance hole 11 toward the reinforcement block 2 covers the accommodating groove 21, the avoidance hole 11 and the accommodating groove 21 are combined to form an avoidance space, and the fixing head 31 is located in the avoidance space. By providing the avoidance hole 11, the connecting member 3 can be retracted inwardly toward the mounting plate 1 along the axial direction, making the mounting structure more compact as a whole.

[0051] More specifically, the height of the avoidance space is not less than the height of the fixing head 31, that is, along the axial direction of the connecting member 3, the size of the avoidance space is not less than the size of the fixing head 31, so that the fixing 31 can be placed more safely in the avoidance space, and the mounting plate 1 and the reinforcement block 2 can fit reliably.

[0052] More specifically, the reinforcement block 2 is provided with a connection hole 23, and the inner wall of the connection hole 23 is provided with a first connection ring 24, and the first connection ring 24 is connected to the mounting plate 1 by laser welding. By providing the first connection ring 24 in the connection hole 23, a laser welding bridge is formed, which increases the connection area between the reinforcement block 2 and the mounting plate 1, and ensures the reliability of the connection between the reinforcement block 2 and the mounting plate 1.

[0053] In this embodiment, the first connecting ring 24 is flush with the plate surface of the reinforcement block 2 facing the mounting plate 1. The above arrangement makes the connection between the first connecting ring 24 and the mounting plate 1 more reliable.

[0054] Specifically, the reinforcement block 2 is provided with a plurality of connection holes 23, and a first connection ring 24 is provided in each connection hole 23. The above arrangement ensures uniform force when the reinforcement block 2 and the mounting plate 1 are connected, so that the connection member 3 can be stably and reliably supported.

[0055] In this embodiment, a plurality of connection holes 23 are sequentially arranged along the circumference of the penetration hole 22 . The penetration hole 22 is located at the center of the reinforcement block 2 . There are six connection holes 23 , which are evenly distributed around the penetration hole 22 .

[0056] Specifically, a second connecting ring 25 is provided on the outer periphery of the reinforcement block 2, and the second connecting ring 25 is connected to the mounting plate 1 by laser welding. By providing the second connecting ring 25 on the outer periphery of the reinforcement block 2, a laser-welded bridge is formed, which increases the connection area between the reinforcement block 2 and the mounting plate 1, and ensures the reliability of the connection between the reinforcement block 2 and the mounting plate 1.

[0057] More specifically, the second connection ring 25 is flush with the plate surface of the reinforcement block 2 facing the mounting plate 1. The above arrangement makes the connection between the second connection ring 25 and the mounting plate 1 more reliable.

[0058] Specifically, a plurality of riveting teeth 33 are provided on one side of the fixing head 31 facing the connecting rod 32. The plurality of riveting teeth 33 are sequentially arranged along the circumference of the connecting rod 32, and the riveting teeth 33 are installed in the receiving groove 21 by riveting. By providing the riveting teeth 33, the connecting member 3 can be stably and reliably connected to the reinforcing block 2.

[0059] More specifically, the rivet teeth 33 extend radially along the connecting member 3, and multiple rivet teeth 33 are evenly distributed along the circumference of the connecting rod 32, with a protruding height of 1.5-2mm. The number of rivet teeth 33 is set to 6-10. During specific assembly, the rivet teeth 33 are pressed against the bottom of the receiving groove 21 of the reinforcement block 2, and the rivet teeth 33 are bitten and embedded into the reinforcement block 2 through a press.

[0060] In this embodiment, the reinforcing block 2 is made of aluminum alloy, preferably 6061-T6, 6082-T6 aluminum alloy, preferably 80-120mm in length, 80-120mm in width, and 4-8mm in thickness. The reinforcing block 2 is a square structure with rounded corners. The center of the reinforcing block 2 is coaxially provided with a receiving groove 21 and a through hole 22. The function of the receiving groove 21 and the through hole 22 is to allow the connecting member 3 to pass through. The riveting teeth 33 of the connecting member 3 are riveted to the bottom of the receiving groove 21. The connecting member 3 and the reinforcing block 2 are pressed together by a press during riveting, and the riveting teeth 33 are engaged in the reinforcing block 2. The difference between the inner and outer diameters of the first connecting ring 24 is 1.5-2mm, and the height is 1.5-2mm. The difference between the inner and outer diameters of the second connecting ring 25 is 1.5-2mm, and the height is 1.5-2mm. The second laser weld step depression is set in the same manner as the first laser weld step depression. The first connecting ring 24 and the second connecting ring 25 form laser welding laps from the inside and outside of the reinforcement block 2 respectively to ensure a reliable connection between the reinforcement block 2 and the mounting plate 1.

[0061] Specifically, the mounting plate 1 is connected with a plurality of reinforcement blocks 2, and each reinforcement block 2 is provided with a connecting piece 3. The above arrangement enables the mounting plate 1 to support a plurality of connecting pieces 3 through the plurality of reinforcement blocks 2, so that when connected and used, there is a stress dispersion effect.

[0062] More specifically, the mounting plate 1 is in a long strip shape, and a plurality of reinforcing blocks 2 are sequentially arranged along the length direction of the mounting plate 1. The above arrangement enables the force on the mounting plate 1 to be more balanced during mounting and installation.

[0063] In this embodiment, according to the volume size and board area of ​​the battery pack, a battery pack can be configured with multiple mounting plates 1, so that the connection of the battery pack is more stable and reliable.

[0064] Embodiment 2

[0065] This embodiment provides a mounting structure, and its components identical or corresponding to those in the first embodiment are denoted by the same or corresponding reference numerals as those in the first embodiment. For simplicity, only the differences between this embodiment and the first embodiment are described below.

[0066] The difference between this embodiment and the first embodiment is that the connecting member 3 is a screw or a rivet.

[0067] Embodiment 3

[0068] This embodiment provides a mounting structure, and its components identical or corresponding to those in the first embodiment are denoted by the same or corresponding reference numerals as those in the first embodiment. For simplicity, only the differences between this embodiment and the first embodiment are described below.

[0069] The difference between this embodiment and the first embodiment is that the first connecting ring 24, the second connecting ring 25 and the connecting hole 23 on the reinforcing block 2 are eliminated, and the connecting member 3 cannot be made of carbon steel bolts but can only be made of stainless steel bolts.

[0070] Embodiment 4

[0071] This embodiment provides a battery box, including a box body and a mounting structure of any of the above embodiments, wherein a containing space is provided inside the box body, and a side of the top surface of the box body facing away from the containing space is connected to the mounting structure.

[0072] In the battery box of the present invention, the reinforcing block 2 is connected to the mounting plate 1 to support the connecting member 3, thereby avoiding stress concentration and ensuring that the connecting member 3 is safely and reliably positioned and fixed. The mounting plate 1 is connected to the upper cover of the battery pack, and the connecting member 3 is connected to the external structure, thereby avoiding the need to set a reinforcing beam inside the battery pack, thereby improving the space utilization rate and the integration efficiency of the battery cells in the battery pack, and the spare space can be used to place more battery cells, thereby increasing the battery power, and the multiple areas divided by the reinforcing beam can be integrated into one area, and the battery cells only need to be integrated into a large mold, thereby greatly improving the integration efficiency, reducing the use of connecting parts, and reducing the area that needs to be sealed, making the battery pack safer and more reliable.

[0073] Specifically, the box body includes a lower shell, a temperature averaging plate 4 and a flow channel plate 5, the accommodation space is set in the lower shell, the temperature averaging plate 4 and the flow channel plate 5 are sealed and connected to form an upper cover, a cooling flow channel is formed between the temperature averaging plate 4 and the flow channel plate 5, the upper cover covers the opening of the lower shell, the flow channel plate 5 is located on the side of the temperature averaging plate 4 away from the accommodation space, and the mounting plate 1 is fixed to the side of the flow channel plate 5 away from the temperature averaging plate 4. With the above arrangement, the temperature averaging plate 4 and the flow channel plate 5 constitute a cold plate, and the mounting plate 1 is supported by a cold plate with higher structural strength, which is more stable and reliable. When mounted and used, the cold plate is inverted, so that it can be used as a cover of the battery pack.

[0074] More specifically, a plurality of mounting plates 1 are disposed on the flow channel plate 5 , and the plurality of mounting plates 1 are sequentially spaced apart along the length direction of the flow channel plate 5 , so that the force on the flow channel plate 5 is more balanced.

[0075] In this embodiment, the temperature plate 4 is an aluminum alloy flat plate, the material is selected from aluminum alloy, preferably brand 3003mod, 3003mod-6061mod-3003mod, the thickness is preferably 1-2mm, the flow channel plate 5 is selected from aluminum alloy, preferably brand 3003mod-4045, 3003mod-6061mod-3003mod-4045, the thickness is preferably 1-2mm, the length of the mounting plate 1 accounts for 70%-90% of the width of the temperature plate 4, the width is generally set to 80-150mm, the material is selected from aluminum alloy, preferably brand 3003mod-4045, 3003mod-6061mod-3003mod-4045, the thickness is preferably 2-3mm, the flow channel plate 5 is provided with a flow channel groove, which is obtained by stamping a flat plate, the outer surface of the flow channel plate 5 at the non-recessed position is the weld surface, the temperature equalizing plate 4 is close to the weld surface of the flow channel plate 5, and the flow channel plate 5 is aligned with the outer contours of the temperature equalizing plate 4, and the flow channel groove forms a cooling flow channel under the cover of the temperature equalizing plate 4, the outer surface of the flow channel plate 5 is the flow channel surface, and the flow channel surface is close to the mounting plate 1, the mounting plate 1 is long and strip-shaped, and three mounting plates 1 are provided, the length direction of the mounting plate 1 is parallel to the width direction of the flow channel plate 5, and the three mounting plates 1 are arranged in sequence in the length direction of the flow channel plate 5, and the interval size range is 500-800mm, and five reinforcement blocks 2 are provided on each mounting plate 1, and each reinforcement block 2 is provided with a connecting piece 3.

[0076] In other embodiments, the three mounting plates 1 may be different in length and number of avoidance holes 11 to meet different usage requirements.

[0077] Specifically, the mounting structure in the first embodiment is adopted, the reinforcement block 2 and the connector 3 are assembled to form a first component, the temperature balancing plate 4, the flow channel plate 5 and the mounting plate 1 are brazed together to form a second component, and the first component is connected to the second component by laser welding. Compared with brazing all the structures together, the above arrangement can effectively prevent the connector 3 from annealing.

[0078] In this embodiment, the laser welding process is preferably laser wire welding, and laser autogenous welding is optional. The material of the connector 3 is preferably carbon steel, and stainless steel is optional. The first connecting ring 24 and the second connecting ring 25 are connected to the mounting plate 1 through the laser welding process.

[0079] Embodiment 5

[0080] This embodiment provides a battery box, and its components identical or corresponding to those of the fourth embodiment are denoted by the same or corresponding reference numerals as those of the fourth embodiment. For simplicity, only the differences between this embodiment and the fourth embodiment are described below.

[0081] The difference between this embodiment and the fourth embodiment is that the reinforcing block 2 and the connecting piece 3 are assembled to form a first assembly, and the first assembly, the temperature balancing plate 4, the flow channel plate 5 and the mounting plate 1 are brazed together. The above arrangement improves assembly efficiency.

[0082] In this embodiment, if Figure 8 As shown, the mounting structure in the third embodiment is adopted, the first connecting ring 24, the second connecting ring 25 and the connecting hole 23 on the reinforcing block 2 are eliminated, and the connecting member 3 cannot use carbon steel bolts, only stainless steel bolts can be used.

[0083] Embodiment 6

[0084] This embodiment provides a battery pack, including a battery cell and a battery box of any of the above embodiments, wherein the battery cell is arranged in a containing space, and an end of the battery cell facing away from the pole is connected to a top surface of the box body facing a side of the containing space.

[0085] In the battery pack of the present invention, the reinforcing block 2 is connected to the mounting plate 1 to support the connecting member 3, thereby avoiding stress concentration and ensuring that the connecting member 3 is safely and reliably positioned and fixed. The mounting plate 1 is connected to the upper cover of the battery pack, and the connecting member 3 is connected to the external structure, thereby avoiding the need to set a reinforcing beam inside the battery pack, thereby improving the space utilization rate and the integration efficiency of the battery cells in the battery pack, and the spare space can be used to place more battery cells, thereby increasing the power of the battery pack, and the multiple areas divided by the reinforcing beam can be integrated into one area, and the battery cells only need to be integrated into a large mold, thereby greatly improving the integration efficiency, reducing the use of connecting parts, and reducing the area that needs to be sealed, making the battery pack safer and more reliable.

[0086] Specifically, the temperature averaging plate 4 and the flow channel plate 5 serve as an upper cover. The temperature averaging plate 4 and the flow channel plate 5 constitute a cold plate. When mounted for use, the cold plate is inverted to serve as a cover of the battery pack, thereby improving the integration of the battery pack and reducing the overall weight.

[0087] In this embodiment, one end of the battery cell away from the pole is fixed to the temperature balancing plate 4 by an adhesive.

[0088] Embodiment 7

[0089] This embodiment provides a vehicle, including a vehicle body and the battery pack of the above embodiment, wherein the connector 3 is connected to the vehicle body.

[0090] In the vehicle of the present invention, the reinforcing block 2 is connected to the mounting plate 1 to support the connecting member 3, thereby avoiding stress concentration and ensuring that the connecting member 3 is safely and reliably positioned and fixed. The mounting plate 1 is connected to the upper cover of the battery pack, and the connecting member 3 is connected to the vehicle body, thereby avoiding the need to set a reinforcing beam inside the battery pack, thereby improving the space utilization rate and the integration efficiency of the battery cells inside the battery pack, reducing the use of connecting members, and reducing the area that needs to be sealed, making the battery pack safer and more reliable.

[0091] In this embodiment, the cold plate is fixedly connected to the chassis of the vehicle body through the connector 3, and the battery cell is hung upside down on the vehicle body. The inverted cold plate serves both cooling and heating functions and also serves as a cover for the battery pack.

[0092] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The mounting structure is characterized by: include: Mounting plate (1); A reinforcing block (2), the reinforcing block (2) being fixed to the mounting plate (1), a receiving groove (21) being provided on a side of the reinforcing block (2) facing the mounting plate (1), and a through hole (22) being provided at the bottom of the receiving groove (21); A connecting member (3), the connecting member (3) comprising a fixing head (31) and a connecting rod (32) connected to each other, the fixing head (31) extending into the accommodating groove (21), and the connecting rod (32) penetrating the penetration hole (22).

2. The mounting structure according to claim 1, characterized in that: The mounting plate (1) is provided with an avoidance hole (11), the projection of the avoidance hole (11) in the direction of the reinforcement block (2) covers the accommodation groove (21), the avoidance hole (11) and the accommodation groove (21) are combined to form an avoidance space, and the fixing head (31) is located in the avoidance space.

3. The mounting structure according to claim 2, characterized in that: The height of the avoidance space is not less than the height of the fixed head (31).

4. The mounting structure according to claim 1, characterized in that: The reinforcement block (2) is provided with a connection hole (23), the inner wall of the connection hole (23) is provided with a first connection ring (24), and the first connection ring (24) is connected to the mounting plate (1) by laser welding.

5. The mounting structure according to claim 4, characterized in that: The reinforcement block (2) is provided with a plurality of connection holes (23), and each of the connection holes (23) is provided with a first connection ring (24).

6. The mounting structure according to claim 1, characterized in that: A second connecting ring (25) is provided on the outer periphery of the reinforcing block (2), and the second connecting ring (25) is connected to the mounting plate (1) by laser welding.

7. The mounting structure according to claim 1, characterized in that: A plurality of riveting teeth (33) are provided on one side of the fixing head (31) facing the connecting rod (32); the plurality of riveting teeth (33) are arranged in sequence along the circumference of the connecting rod (32); and the riveting teeth (33) are installed in the accommodating groove (21) by riveting.

8. The mounting structure according to claim 1, characterized in that: The mounting plate (1) is connected to a plurality of the reinforcement blocks (2), and each of the reinforcement blocks (2) is provided with a connecting piece (3).

9. The mounting structure according to claim 8, characterized in that: The mounting plate (1) is in the shape of an elongated strip, and a plurality of the reinforcing blocks (2) are arranged in sequence along the length direction of the mounting plate (1).

10. A battery box, characterized in that: It comprises a box body and the mounting structure according to any one of claims 1 to 9, wherein a containing space is arranged inside the box body, and a side of the top surface of the box body facing away from the containing space is connected to the mounting structure.

11. The battery box according to claim 10, characterized in that: The box body comprises a lower shell, a temperature averaging plate (4) and a flow channel plate (5); the accommodating space is arranged in the lower shell; the temperature averaging plate (4) and the flow channel plate (5) are sealed and connected to form an upper cover; a cooling flow channel is formed between the temperature averaging plate (4) and the flow channel plate (5); the upper cover seals the opening of the lower shell; the flow channel plate (5) is located on a side of the temperature averaging plate (4) away from the accommodating space; and the mounting plate (1) is fixed to a side of the flow channel plate (5) away from the temperature averaging plate (4).

12. The battery box according to claim 11, characterized in that: A plurality of mounting plates (1) are arranged on the flow channel plate (5), and the plurality of mounting plates (1) are arranged in sequence and at intervals along the length direction of the flow channel plate (5).

13. The battery box according to claim 11, characterized in that: The reinforcing block (2) and the connecting piece (3) are assembled to form a first component, the temperature equalizing plate (4), the flow channel plate (5) and the mounting plate (1) are brazed together to form a second component, and the first component is laser welded to the second component.

14. The battery box according to claim 11, characterized in that: The reinforcing block (2) and the connecting piece (3) are assembled to form a first component, and the first component, the temperature equalizing plate (4), the flow channel plate (5) and the mounting plate (1) are welded into one body by brazing.

15. A battery pack, characterized in that: It comprises a battery cell and a battery box as claimed in any one of claims 10 to 14, wherein the battery cell is arranged in the accommodating space, and an end of the battery cell facing away from the pole is connected to a side of the top surface of the box body facing the accommodating space.

16. A vehicle, characterized in that It comprises a vehicle body and the battery pack according to claim 15, wherein the connecting member (3) is connected to the vehicle body.

Citation Information

Patent Citations

  • Battery pack and vehicle

    CN112310541A

  • Battery pack box body, battery pack and automobile

    CN113437432A

  • Battery mounting device, battery and power utilization device

    CN116435690A

  • Battery pack for a vehicle

    US20240162571A1

  • Battery pack and vehicle

    WO2023240885A1