Support, battery pack and vehicle

Abstract

The utility model relates to a support, a battery pack and a vehicle, the support comprises at least two cross beams, a plurality of longitudinal beams and a mounting seat, the at least two cross beams are distributed at intervals in a first direction, the cross beams extend along a second direction, and the first direction intersects with the second direction; the longitudinal beams are arranged between the adjacent cross beams and are arranged in the second direction, the opposite surfaces of the adjacent cross beams in the first direction are connecting surfaces, and the two ends of each longitudinal beam are detachably connected with the connecting surfaces respectively; the mounting seats are mounted on the top surfaces of the cross beams and / or the longitudinal beams and used for being connected with the battery pack. Based on the structure, the two ends of the longitudinal beams are detachably connected with the connecting faces of the two adjacent cross beams, so that the number and the positions of the cross beams and the longitudinal beams can be flexibly adjusted according to different installation requirements, support development does not need to be conducted again, and the production cost is reduced.

Description

Technical Field

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

[0002] The battery distribution box assembly, abbreviated as BDU (Battery Disconnect Unit), is an important component in the high-voltage circuit of an electric vehicle. It controls the power-on and power-off processes, pre-charging process and charging process of the high-voltage electrical circuit, and has an important impact on the service life, control strategy and high-voltage safety of the whole vehicle. The BDU is generally installed on the BDU bracket. However, due to different installation requirements for different specifications of BDU, the adapted BDU bracket can only be installed in a one-to-one matching form. In this way, when the BDU model of the vehicle is replaced, it is necessary to re-develop the BDU bracket according to the installation requirements of the used BDU, which not only increases the production cost but also makes it difficult to control the product production cycle. Summary of the Utility Model

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a bracket, a battery pack and a vehicle, so as to be applicable to the installation requirements of different BDUs and reduce the development cycle and cost of the BDU bracket.

[0004] In a first aspect, the present application provides a bracket, including:

[0005] At least two cross beams, spaced apart in a first direction, the cross beams extending in a second direction, the first direction intersecting the second direction;

[0006] A plurality of longitudinal beams, arranged between adjacent cross beams and arranged along the second direction. The surfaces of adjacent cross beams facing each other in the first direction are connecting surfaces, and both ends of the longitudinal beam are detachably connected to the connecting surfaces;

[0007] A mounting seat, detachably mounted on the end faces of the cross beam and / or the longitudinal beam in a third direction for connecting with the battery pack, and the third direction intersects the first direction.

[0008] In a possible implementation manner, a plurality of mounting grooves are formed on the connecting surface at intervals along the second direction, and mounting heads adapted to the mounting grooves are provided at both ends of the longitudinal beam.

[0009] In a possible implementation manner, a plurality of mounting heads extending outward in the first direction are formed on the connecting surface, the plurality of mounting heads are spaced apart along the second direction, and mounting grooves adapted to the mounting heads are provided at both ends of the longitudinal beam.

[0010] In a possible implementation, it further includes a locking member. A perforation is formed in the top or bottom surface of the cross beam or the longitudinal beam provided with the installation groove, and the perforation communicates with the installation groove;

[0011] Moreover, when the installation head is inserted into the installation groove, the locking member passes through the perforation and is connected to the installation head, so that the installation head is locked in the installation groove.

[0012] In a possible implementation, the top surface of the mounting seat is provided with a fixing point for fixedly connecting with the battery pack.

[0013] In a possible implementation, a clamping portion extends from the bottom surface of the mounting seat towards the top surface of the cross beam or the longitudinal beam, and a clamping groove adapted to the clamping portion is provided on the top surface of the cross beam and / or the longitudinal beam.

[0014] In a possible implementation, a first channel extending along the second direction is provided inside each cross beam. At least one cross beam is provided with a liquid inlet communicating with the first channel, and at least one cross beam is provided with a liquid outlet communicating with the first channel. The liquid outlet and the liquid inlet are opened on different cross beams. A second channel extending along the first direction is provided inside the longitudinal beam, and the second channel communicates with the first channel, so that the cooling liquid flows between the first channel and the second channel.

[0015] In a possible implementation, a cavity extending through the installation head along the first direction is provided inside the installation head;

[0016] A first channel extending along the second direction is provided inside each cross beam. At least one cross beam is provided with a liquid inlet communicating with the first channel, and at least one cross beam is provided with a liquid outlet communicating with the first channel. A second channel extending along the first direction is provided inside the longitudinal beam, and the second channel communicates with the first channel, so that the cooling liquid flows between the first channel and the second channel;

[0017] Wherein, the cavity communicates with the second channel, and the installation groove communicates with the first channel.

[0018] In a second aspect, the present application further provides a battery pack, including the bracket described in any one of the above and a BDU provided on the bracket.

[0019] In a third aspect, the present application further provides a vehicle, including a battery pack, and the battery pack is the battery pack as described above.

[0020] The above technical solutions provided by the embodiments of the present application have the following advantages compared with the prior art:

[0021] At least two cross beams are arranged at intervals, and then a plurality of longitudinal beams are arranged between adjacent cross beams. Then, the mounting seats are mounted on the top surfaces of the cross beams and / or longitudinal beams to assemble and form a bracket for mounting the BDU of the battery pack. Since the connection surfaces at both ends of each longitudinal beam and the adjacent two cross beams are detachably connected, the bracket can flexibly adjust the number and positions of the cross beams and longitudinal beams according to the installation requirements of different BDUs. Moreover, the mounting seats are detachably mounted on the top surfaces of the cross beams and / or longitudinal beams, so that the bracket can adjust the number and layout positions of the mounting seats according to the installation requirements of different BDUs, enabling the bracket to adapt to the installation requirements of different models and specifications of BDUs. In this way, when the vehicle replaces the BDU, there is no need to develop a new bracket, which is beneficial to reducing the production cost of the product. Brief Description of the Drawings

[0022] The drawings here are incorporated into the specification and form a part of this specification, showing embodiments in line with the present utility model, and are used together with the specification to explain the principles of the present utility model.

[0023] To more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] In the drawings:

[0025] Figure 1 is a schematic structural diagram of an embodiment of a bracket of the present utility model;

[0026] Figure 2 is a schematic structural diagram of another embodiment of a bracket of the present utility model;

[0027] Figure 3 is a schematic diagram of an embodiment of the connection structure between the cross beam and the longitudinal beam in a bracket of the present utility model;

[0028] Figure 4 is a schematic diagram of another embodiment of the connection structure between the cross beam and the longitudinal beam in a bracket of the present utility model;

[0029] Figure 5 is a schematic diagram of yet another embodiment of the connection structure between the cross beam and the longitudinal beam in a bracket of the present utility model;

[0030] Figure 6 is a schematic diagram of the state where the locking member locks the mounting head in a bracket of the present utility model;

[0031] Figure 7 is a schematic structural diagram of an embodiment after a bracket of the present utility model assembles a battery pack;

[0032] Figure 8 It is a cross-sectional view of the cross beam and the longitudinal beam in a bracket of the present utility model;

[0033] Figure 9 It is another cross-sectional view of the cross beam and the longitudinal beam in a bracket of the present utility model.

[0034] Reference numerals in the drawings:

[0035] 10. Cross beam; 10a. First channel; 10b. Clamping groove; 10c. Connecting surface; 20. Longitudinal beam; 20a. Second channel; 30. Mounting seat; 30a. Fixed point; 30b. Clamping portion; 40. Mounting groove; 50. Mounting head; 50a. Cavity; 60. Locking member; 70. Perforation; 80. Liquid inlet; 90. Liquid outlet; X. First direction; Y. Second direction. Detailed implementation manners

[0036] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the detailed implementation manners of the present utility model will now be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation, only for the convenience of describing the present technical solution, rather than indicating that the indicated device or element must have a specific orientation, so it should not be construed as a limitation of the present utility model.

[0037] It should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "connection", "fixation", "setting", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as being "above" or "below" another element, the element can be "directly" or "indirectly" located above the other element, or there may also be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present utility model. However, those skilled in the art should clearly understand that the present utility model can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from interfering with the description of the present utility model.

[0039] Embodiment 1

[0040] Please refer to Figures 1 to 6 , this application provides a bracket, which includes at least two cross beams 10, a plurality of longitudinal beams 20, and a mounting seat 30.

[0041] At least two cross beams 10 are spaced apart in the first direction, the cross beam 10 extends in the second direction, and the first direction intersects the second direction. A plurality of longitudinal beams 20 are arranged between adjacent cross beams 10 and are arranged in the second direction. The surfaces of adjacent cross beams 10 facing each other in the first direction are connecting surfaces 10c, and the two ends of the longitudinal beam 20 are respectively detachably connected to the connecting surface 10c; the mounting seat 30 is installed on the end surfaces of the cross beam 10 and / or the longitudinal beam 20 in the third direction for connecting with the battery pack, and the third direction intersects the first direction X.

[0042] Here, it should be noted that the first direction X intersects the second direction Y to form an angle a, and the value range of a is between 0° < a ≤ 90°. In this embodiment, preferably, the first direction X is perpendicular to the second direction Y, that is to say, after the longitudinal beam 20 is connected to the adjacent cross beam 10, the longitudinal beam 20 is perpendicular to the cross beam 10 (refer to Figure 1 ), so that the longitudinal beam 20 can be quickly installed with the cross beam 10, thereby forming a bracket. In addition, it should be pointed out that the end surfaces of the cross beam 10 and / or the longitudinal beam 20 in the third direction refer to the top surface or the bottom surface of the cross beam 10 and / or the longitudinal beam 20.

[0043] Exemplarily, the cross beam 10, the longitudinal beam 20, and the mounting seat 30 can all be made of high-strength aluminum alloy material to ensure that the assembled bracket has sufficient strength, and at the same time, the overall weight of the bracket can be reduced, so as to achieve the purpose of light weight. In addition, the cross beam 10, the longitudinal beam 20, and the mounting seat 30 can also be made of high-strength composite materials with insulation properties, so that the assembled bracket has certain insulation properties and can reduce the risk of out-of-control caused by short-circuiting of the battery pack.

[0044] Exemplarily, the number of cross beams 10 and longitudinal beams 20 can be selected according to the size and weight of the battery pack to be installed, but at least two need to be ensured. For example: taking the installation of the BDU (Battery Disconnect Unit) in the battery pack as an example, if the installed BDU is small in size and light in weight, two cross beams 10 and three longitudinal beams 20 are required. The two cross beams 10 are arranged at intervals along the first direction X, and then the three longitudinal beams 20 are installed at intervals along the second direction Y between the two cross beams 10 to form a bearing surface to support the BDU (refer to Figure 1 ). If the installed BDU is large in size and light in weight, three cross beams 10 and multiple longitudinal beams 20 are required. The three cross beams 10 are arranged at intervals along the first direction X, and then the multiple longitudinal beams 20 are installed at intervals along the second direction Y between adjacent cross beams 10 (refer to Figure 2 ).

[0045] Exemplarily, the mounting seat 30 is used to connect with the battery pack, and the position of the mounting seat 30 can be adjusted according to the installation position required by the components to be installed in the battery pack, which specifically depends on the actual situation.

[0046] In this application, at least two cross beams 10 are arranged at intervals, then multiple longitudinal beams 20 are arranged between adjacent cross beams 10, and then the mounting seat 30 is installed on the top surfaces of the cross beams 10 and / or longitudinal beams 20 to assemble and form a bracket for installing the BDU of the battery pack. Since both ends of each longitudinal beam 20 are detachably connected to the connection surfaces 10c of two adjacent cross beams 10, this bracket can flexibly adjust the number and positions of the cross beams 10 and longitudinal beams 20 according to the installation requirements of different BDUs. Moreover, the mounting seat 30 is detachably installed on the top surfaces of the cross beams 10 and / or longitudinal beams 20, so that this bracket can adjust the number and layout positions of the mounting seat 30 according to the installation requirements of different BDUs, enabling this bracket to adapt to the installation requirements of different models and specifications of BDUs. In this way, when the vehicle replaces the BDU, there is no need to develop a new bracket, which is beneficial to reducing the production cost of the product.

[0047] Refer to Figure 3 , in a possible implementation manner, a plurality of mounting grooves 40 are formed on the connection surface 10c and are distributed at intervals along the second direction, and both ends of the longitudinal beam 20 are provided with mounting heads 50 adapted to the mounting grooves 40.

[0048] Exemplarily, by arranging a plurality of mounting grooves 40 at intervals along the second direction on the connection surface 10c and providing mounting heads 50 adapted to the mounting grooves 40 at both ends of the longitudinal beam 20, the longitudinal beam 20 can be detachably connected to two adjacent cross beams 10 by snapping the mounting heads 50 into the mounting grooves 40, and the position of the longitudinal beam 20 can be adjusted at any time according to different installation requirements, with a simple structure and convenient disassembly and assembly.

[0049] Referring to Figure 4 , in another embodiment, a plurality of outwardly extending mounting heads 50 may be provided on the connection surface 10c. The plurality of mounting heads 50 are spaced apart along the second direction Y. Mounting grooves 40 adapted to the mounting heads 50 are provided at both ends of the longitudinal beam 20.

[0050] Exemplarily, when installing the longitudinal beam 20 between adjacent cross beams 10, first align the mounting groove 40 at one end of the longitudinal beam 20 with one of the cross beams 10, align the mounting groove 40 with the corresponding mounting head 50 and insert it. After installing one end of the longitudinal beam 20, then align the mounting head 50 on the other cross beam 10 with the mounting groove 40 at the other end of the longitudinal beam 20, and push the cross beam 10 in the first direction X so that the mounting head 50 on the other cross beam 10 is snapped into the mounting groove 40 at the other end of the longitudinal beam 20, thereby firmly fixing the longitudinal beam 20 between two adjacent cross beams 10; when disassembly is required, only need to pull the two adjacent cross beams 10 outwards so that the mounting head 50 is pulled out of the mounting groove 40, then the disassembly of the longitudinal beam 20 and the cross beam 10 can be realized. The structure is simple and the disassembly and assembly are convenient.

[0051] In addition, it should be noted that the mounting head 50 in the above embodiment may be semicircular, and correspondingly the mounting groove 40 is also semicircular to facilitate the quick snap connection between the cross beam 10 and the longitudinal beam 20. The above shapes of the mounting head 50 and the mounting groove 40 are only examples and are not limited thereto. The mounting head 50 and the mounting groove 40 may also be square (referring to Figure 5 ), or may be diamond-shaped, as long as the quick plug-in connection between the longitudinal beam 20 and the cross beam 10 can be satisfied.

[0052] Since after the mounting head 50 is inserted into the mounting groove 40, the mounting head 50 will have a certain relative movement in the mounting groove 40, which will cause the longitudinal beam 20 to become loose, making the BDU bracket for installing the battery pack not firm. In this regard, in a possible embodiment, a locking member 60 is further included. A through hole 70 is provided on the top surface of the cross beam 10 or the longitudinal beam 20 provided with the mounting groove 40, and the through hole 70 communicates with the mounting groove 40. Wherein, when the mounting head 50 is inserted into the mounting groove 40, the locking member 60 passes through the through hole 70 and is connected to the mounting head 50 to lock the mounting head 50 in the mounting groove 40. Of course, in other embodiments, the through hole 70 may also be provided on the bottom surface of the cross beam 10 or the longitudinal beam 20 provided with the mounting groove 40 to achieve the same effect.

[0053] Exemplarily, referring to Figure 6, taking the installation groove 40 provided on the connecting surface 10c of the cross beam 10 and the installation heads 50 provided at both ends of the longitudinal beam 20 as an example for illustration, a through hole 70 communicating with the installation groove 40 is provided on the top surface of the cross beam 10. When the installation heads 50 of the longitudinal beam 20 are inserted into the installation groove 40 of the cross beam 10, the locking member 60 is inserted into the installation groove 40 from the through hole 70 and connected to the installation heads 50, so that the installation heads 50 are locked in the installation groove 40 to prevent relative movement of the installation heads 50. It should be noted that the locking member 60 can be a locking pin or other locking components in the prior art, and no limitation is made thereto.

[0054] In a possible implementation manner, a fixing point 30a for fixedly connecting with the battery pack is provided on the top surface of the mounting seat 30. In this way, after placing the BDU or other devices in the battery pack on the assembled bracket, the fixing point 30a of the mounting seat 30 is adapted to the mounting points on the BDU or other devices in the battery pack, thereby fixing the battery pack on the bracket.

[0055] In a possible implementation manner, a clamping portion 30b extends from the bottom surface of the mounting seat 30 to the top surface of the cross beam 10 or the longitudinal beam 20, and a clamping groove 10b adapted to the clamping portion 30b is provided on the top surface of the cross beam 10 and / or the longitudinal beam 20. In this way, the clamping portion 30b of the mounting seat 30 is clamped with the clamping groove 10b of the cross beam 10 and / or the longitudinal beam 20 to realize the detachable installation of the mounting seat 30 on the cross beam 10 and / or the longitudinal beam 20, so as to adjust the position of the mounting seat 30 according to different installation requirements subsequently.

[0056] It can be understood that a plurality of clamping grooves 10b can be pre-configured on both the cross beam 10 and the longitudinal beam 20 according to the use requirements. When assembling this bracket, the mounting seat 30 can be selectively connected to the top surface of the cross beam 10 or the top surface of the longitudinal beam 20 or simultaneously connected to the top surfaces of both the cross beam 10 and the longitudinal beam 20 according to the specifications and installation requirements of the BDU to meet the product requirements.

[0057] Embodiment 2

[0058] A large amount of heat energy is generated during the fast charging of the battery pack, and it needs to be dissipated in time to ensure the realization of fast charging, especially the heat dissipation of the BDU in the battery pack. At present, additional heat dissipation devices need to be provided to control the temperature of the battery pack, but the additional heat dissipation devices will occupy the space of the battery pack, resulting in a larger interior of the battery pack and occupying the layout space of the vehicle, which is not conducive to the development of the vehicle towards lightweight. In view of this, the present application provides a bracket to improve the heat dissipation performance of the battery pack and reduce the occupied space of the battery pack.

[0059] Please refer to Figure 7, the bracket includes at least two cross beams 10, a plurality of longitudinal beams 20 and a mounting seat 30. At least two cross beams 10 are spaced apart in the first direction X, the cross beams 10 extend along the second direction Y, and the first direction X intersects with the second direction Y. A plurality of longitudinal beams 20 are arranged between adjacent cross beams 10 and are arranged along the second direction Y. The opposite surfaces of adjacent cross beams 10 in the first direction X are connecting surfaces 10c, and the two ends of the longitudinal beam 20 are detachably connected to the connecting surfaces 10c respectively; the mounting seat 30 is mounted on the top surface of the cross beam 10 and / or the longitudinal beam 20 for connecting with the battery pack.

[0060] Wherein, it further includes: a first channel 10a extending along the second direction Y is arranged inside each cross beam 10, a liquid inlet 80 communicating with the first channel 10a is arranged on at least one cross beam 10, a liquid outlet 90 communicating with the first channel 10a is arranged on at least one cross beam 10, and the liquid outlet 90 and the liquid inlet 80 are arranged on different cross beams 10. A second channel 20a extending along the first direction is arranged inside the longitudinal beam 20, and the second channel 20a communicates with the first channel 10a so that the cooling liquid flows between the first channel 10a and the second channel 20a.

[0061] Exemplarily, by arranging the first channel 10a inside each cross beam 10 and the second channel 20a inside the longitudinal beam 20, after installing a plurality of longitudinal beams 20 between adjacent cross beams 10, the first channel 10a communicates with the second channel 20a. When the BDU of the battery pack is installed on the bracket, the cooling liquid enters the first channel 10a of the cross beam 10 from the liquid inlet 80, and then flows through the second channel 20a of the longitudinal beam 20. Since the BDU of the battery pack is in contact with the longitudinal beam 20, the generated heat is absorbed by the cooling liquid in the second channel 20a and flows into the first channel 10a of another cross beam 10, and finally flows out from the liquid outlet 90. Thus, the battery pack can be cooled by the flowing cooling liquid, improving the heat dissipation performance of the battery pack. Therefore, while the bracket of this embodiment integrates the function of installing the battery pack, it also has the function of cooling, without the need to additionally set up a cooling device, thus effectively reducing the occupied space and being beneficial to the lightweight development of the vehicle.

[0062] Referring to Figure 8 and Figure 9 , in a possible implementation manner, a plurality of mounting grooves 40 spaced apart along the second direction are formed on the connecting surface 10c. Mounting heads 50 adapted to the mounting grooves 40 are arranged at both ends of the longitudinal beam 20, and a cavity 50a penetrating the mounting head 50 is arranged inside the mounting head 50 along the first direction. Wherein, the cavity 50a communicates with the second channel 20a, and the mounting groove 40 communicates with the first channel 10a.

[0063] Exemplarily, the longitudinal beam 20 is snapped into the mounting grooves 40 of two adjacent cross beams 10 by using the mounting head 50. Since the interior of the mounting head 50 is provided with a cavity 50a communicating with the second channel 20a, and the mounting groove 40 communicates with the first channel 10a, after the longitudinal beam 20 and the cross beam 10 are fixedly connected, the first channel 10a and the second channel 20a can be made to communicate, so that the cooling liquid can flow inside the cross beam 10 and the longitudinal beam 20, thereby quickly taking away the heat conducted to the cross beam 10 and the longitudinal beam 20, achieving the purpose of rapid cooling.

[0064] In addition, it should be noted that the shapes of the mounting head 50 and the mounting groove 40 in this embodiment may be square (refer to Figure 8 ), or may also be semi-circular (refer to Figure 9 ), as long as it is ensured that the first channel and the second channel communicate after the cross beam and the longitudinal beam are connected, and no limitation is made thereto.

[0065] In summary, the bracket of this embodiment cleverly utilizes the fact that the longitudinal beam 20 is detachably connected between two adjacent cross beams 10, so that the quantity and positions of the longitudinal beam 20 and the cross beam 10 can be flexibly adjusted according to different installation requirements at any time, without the need to develop a new bracket, which is beneficial to reducing production costs. At the same time, it also has a cooling function, and there is no need to additionally provide a cooling device, thereby effectively reducing the occupied space and being beneficial to the lightweight development of the vehicle.

[0066] Embodiment 3

[0067] The present application also provides a battery pack, including the bracket disclosed in the above Embodiment 1 or Embodiment 2 and a BDU provided on the bracket. Therefore, the battery pack having this bracket also has all the above technical effects, which will not be elaborated herein one by one.

[0068] Embodiment 4

[0069] The present application also provides a vehicle, including a battery pack, and the battery pack is the battery pack as in the above Embodiment 3. Therefore, the vehicle having this battery pack also has all the above technical effects, which will not be elaborated herein one by one.

[0070] It can be understood that the above embodiments only represent the preferred embodiments of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can also be made, and these all belong to the protection scope of the present invention. Therefore, all equivalent transformations and modifications made to the scope of the claims of the present invention shall fall within the scope covered by the claims of the present invention.

Claims

1. A bracket, characterized in that: include: At least two cross beams are spaced apart in a first direction, the cross beams extend along a second direction, and the first direction intersects the second direction; A plurality of longitudinal beams are provided between adjacent transverse beams and arranged along the second direction, the surfaces of adjacent transverse beams facing each other in the first direction are connecting surfaces, and both ends of the longitudinal beams are detachably connected to the connecting surfaces respectively; The mounting seat is detachably mounted on the end surface of the cross beam and / or the longitudinal beam in a third direction, and is used to be connected to the battery pack, and the third direction intersects with the first direction.

2. The bracket according to claim 1, characterized in that: The connecting surface is provided with a plurality of installation grooves spaced apart along the second direction, and both ends of the longitudinal beam are provided with installation heads matched with the installation grooves.

3. The bracket according to claim 1, characterized in that: The connection surface is provided with a plurality of mounting heads extending outwardly along a first direction, the plurality of mounting heads are distributed at intervals along the second direction, and both ends of the longitudinal beam are provided with mounting grooves adapted to the mounting heads.

4. The bracket according to claim 2 or 3, characterized in that: It also includes a locking member, wherein the top surface or bottom surface of the cross beam or the longitudinal beam provided with the installation groove is provided with a through hole, and the through hole is connected with the installation groove; Furthermore, when the mounting head is installed in the mounting groove, the locking member passes through the through hole and is connected to the mounting head, so that the mounting head is locked in the mounting groove.

5. The bracket according to claim 1, characterized in that: The top surface of the mounting seat is provided with a fixing point for fixed connection with the battery pack.

6. The bracket according to claim 1, characterized in that: A clamping portion is extended from the bottom surface of the mounting seat toward the top surface of the cross beam or the longitudinal beam, and a clamping groove matched with the clamping portion is provided on the top surface of the cross beam and / or the longitudinal beam.

7. The bracket according to claim 1, characterized in that: A first channel extending along the second direction is provided inside each of the crossbeams, a liquid inlet connected to the first channel is provided on at least one of the crossbeams, a liquid outlet connected to the first channel is provided on at least one of the crossbeams, and the liquid outlet and the liquid inlet are provided on different crossbeams, and a second channel extending along the first direction is provided inside the longitudinal beam, and the second channel is connected to the first channel so that cooling liquid flows between the first channel and the second channel.

8. The bracket according to claim 2 or 3, characterized in that: The interior of the mounting head is provided with a cavity penetrating the mounting head along the first direction; A first channel extending along the second direction is provided inside each of the cross beams, a liquid inlet connected to the first channel is provided on at least one of the cross beams, and a liquid outlet connected to the first channel is provided on at least one of the cross beams, and a second channel extending along the first direction is provided inside the longitudinal beam, and the second channel is connected to the first channel, so that cooling liquid flows between the first channel and the second channel; Furthermore, the cavity is communicated with the second channel, and the mounting groove is communicated with the first channel.

9. A battery pack, characterized in that: It comprises the bracket according to any one of claims 1 to 8 and a BDU arranged on the bracket.

10. A vehicle, comprising a battery pack, characterized in that: The battery pack is the battery pack as claimed in claim 9.

Images