Battery pack mounting structure, power battery module and vehicle

Abstract

A battery pack mounting structure, a power battery module and a vehicle wherein the battery pack mounting structure comprises two frames which are arranged on two opposite sides of a battery pack in the width direction and extend in parallel in the length direction of the battery pack, and a battery pack mounting bracket which is provided with a connecting part at the lower part, and the plurality of battery pack mounting brackets are connected between the connecting part and the side part of the battery pack, and are arranged at intervals along the extension direction of the frame.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of vehicles, in particular to a battery pack mounting structure, a power battery module and a vehicle. BACKGROUND

[0002] In the related art, a vehicle battery pack is designed in a standard box, and a special support structure is designed to arrange the battery pack on both sides or in the middle of the vehicle frame.

[0003] However, the above mounting method has the disadvantages of many mounting structure parts, inconvenient disassembly and assembly, and low structural strength. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present disclosure is to provide a battery pack mounting structure, a power battery module and a vehicle to solve the technical problems of many mounting structure parts between the battery pack and the vehicle, inconvenient disassembly and assembly, and low structural strength.

[0005] To achieve the above purpose, the present disclosure provides a battery pack mounting structure, comprising: a vehicle frame, two vehicle frames are arranged on two opposite sides of the battery pack in the width direction and extend parallel to the length direction of the battery pack, the lower part of the vehicle frame is provided with a connecting part, and a battery pack mounting support is connected between the connecting part and the side of the battery pack, and a plurality of battery pack mounting supports are arranged at intervals along the extension direction of the vehicle frame.

[0006] Optionally, the connecting part comprises a first connecting plate extending vertically, the battery pack mounting support comprises a first mounting plate extending vertically, and the first mounting plate is detachably connected with the first connecting plate.

[0007] Optionally, a first mounting hole is arranged on the first mounting plate, a first connecting hole is arranged at a position corresponding to the first mounting hole of the first connecting plate, and the first mounting plate and the first connecting plate can be fastened and connected by a fastener penetrating through the first mounting hole and the first connecting hole.

[0008] Optionally, the connecting part further comprises a second connecting plate extending horizontally away from the battery pack at the lower end of the first connecting plate, and the battery pack mounting support further comprises a second mounting plate extending horizontally away from the battery pack at the first mounting plate, and the second mounting plate is detachably connected with the second connecting plate.

[0009] Optionally, a second mounting hole is arranged on the second mounting plate, a second connecting hole is arranged at a position corresponding to the second mounting hole of the second connecting plate, and the second mounting plate and the second connecting plate can be fastened and connected by a fastener penetrating through the second mounting hole and the second connecting hole.

[0010] Optionally, the battery pack mounting bracket further comprises a third mounting plate horizontally extending from the first mounting plate towards the battery pack, the third mounting plate being used for detachably connecting with the tray of the battery pack.

[0011] Optionally, a third mounting hole is arranged on the third mounting plate, and the third mounting plate and the tray can be fastened and connected through a fastener penetrating through the third mounting hole and a tray mounting hole on the tray.

[0012] Optionally, the battery pack mounting bracket comprises two third mounting plates arranged in an upper and lower interval, and the two third mounting plates are arranged between two upper and lower stacked trays of the battery pack.

[0013] Optionally, a vertical reinforcing rib is arranged between the two third mounting plates.

[0014] Optionally, the battery pack mounting bracket comprises a first bracket and a second bracket, the first bracket is configured as a U-shaped bracket, the second bracket is configured as an L-shaped bracket, an opening of the U-shaped bracket faces the battery pack, two side walls of the U-shaped bracket are used as two third mounting plates, a bottom wall of the U-shaped bracket is used as the first mounting plate, one side wall of the L-shaped bracket is fixedly connected to a side of the bottom wall of the U-shaped bracket away from the battery pack, and the other side wall of the L-shaped bracket is used as the second mounting plate.

[0015] Optionally, a plurality of weight reduction holes are further arranged on the frame.

[0016] On the basis of the above technical solution, the present disclosure further provides a power battery module comprising a battery pack and the battery pack mounting structure in the above technical solution.

[0017] On the basis of the above technical solution, the present disclosure further provides a vehicle comprising the power battery module in the above technical solution.

[0018] Through the above technical solution, the battery pack mounting structure provided by the present disclosure comprises a frame and a battery pack mounting bracket, the lower part of the frame is provided with a connecting part, and a plurality of battery pack mounting brackets are connected between the side part of the battery pack and the connecting part. The frame is used as part of the battery pack mounting structure, which can reduce the number of mounting structure parts. The battery pack mounting bracket is small in size and light in weight, and is convenient to connect with the frame. The plurality of battery pack mounting brackets provide a plurality of connecting points between the frame and the battery pack, so that the cooperation of the battery pack mounting bracket and the frame improves the overall strength and connection reliability of the battery pack mounting structure. In addition, the plurality of battery pack mounting brackets can be integrally mounted on the frame in advance, and the subsequent battery pack can be conveniently disassembled and assembled only with respect to the battery pack mounting bracket, so as to facilitate maintenance and repair.

[0019] Through the technical solution, the power battery module has the same technical effect as the battery pack mounting structure in the technical solution, and unnecessary repetition is avoided.

[0020] Through the technical solution, the vehicle has the same technical effect as the power battery module in the technical solution, and unnecessary repetition is avoided.

[0021] Other features and advantages of the present disclosure will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the present disclosure and constitute a part of the specification, and are used together with the following specific embodiments to explain the present disclosure, but do not constitute a limitation on the present disclosure. In the drawings:

[0023] Figure 1 is a structural schematic diagram of the battery pack mounting structure and the battery pack assembly in the specific embodiment of the present disclosure;

[0024] Figure 2 is an exploded view of Figure 1 ;

[0025] Figure 3 is an exploded view of one angle of the vehicle frame and the battery pack mounting bracket in the specific embodiment of the present disclosure;

[0026] Figure 4 is an exploded view of another angle of the vehicle frame and the battery pack mounting bracket in the specific embodiment of the present disclosure, wherein the lower part of the vehicle frame is placed upward;

[0027] Figure 5 is a structural schematic diagram of the vehicle frame in the specific embodiment of the present disclosure, wherein the lower part of the vehicle frame is placed upward;

[0028] Figure 6 is a structural schematic diagram of the battery pack mounting bracket in the specific embodiment of the present disclosure.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1-vehicle frame, 10-connection part, 101-first connecting plate, 102-second connecting plate, 11-first connecting hole, 12-second connecting hole, 13-weight reduction hole,

[0031] 2-battery pack, 20-tray, 21-tray mounting hole, 22-battery module,

[0032] 3 - battery pack mounting bracket, 301 - first mounting plate, 302 - second mounting plate, 303 - third mounting plate, 31 - first mounting hole, 32 - second mounting hole, 33 - third mounting hole, 34 - first bracket, 35 - second bracket, 36 - reinforcing rib. DETAILED DESCRIPTION

[0033] The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0034] In the present disclosure, the orientation words such as "upper" and "lower" used without the opposite description generally refer to the upper and lower of the battery pack and the battery pack mounting structure in the normal use state when assembled on the vehicle, with reference to the drawing surface direction, and "inner" and "outer" refer to the inner and outer with respect to the outline of the corresponding component itself. The terms "first", "second", and the like used in the present disclosure are used to distinguish one element from another element, and do not have sequentiality and importance. In addition, when the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. Figures 1 to 3

[0035] According to the specific embodiments of the present disclosure, a battery pack mounting structure is provided, referring to Figures 1 to 6 as shown, the battery pack mounting structure can include two frames 1 and a plurality of battery pack mounting brackets 3, wherein the two frames 1 can be arranged on the two opposite sides of the battery pack 2 in the width direction and can extend parallel to the length direction of the battery pack 2, the lower part of the frame 1 can be provided with a connecting part 10 for mounting the battery pack 2, the plurality of battery pack mounting brackets 3 can be connected between the connecting part 10 and the side of the battery pack 2, and the plurality of battery pack mounting brackets 3 are arranged at intervals along the extension direction of the frame 1.

[0036] Through the above technical solution, the battery pack mounting structure provided by the present disclosure includes the frame 1 and the battery pack mounting bracket 3, the lower part of the frame 1 is provided with the connecting part 10, and the plurality of battery pack mounting brackets 3 are connected between the side of the battery pack 2 and the connecting part 10. The frame 1 is used as part of the battery pack mounting structure, which can reduce the number of mounting structure parts. The battery pack mounting bracket 3 is small in size and light in weight, and is convenient to connect with the frame 1. The plurality of battery pack mounting brackets 3 provide a plurality of connection points between the frame 1 and the battery pack 2, so that the cooperation of the battery pack mounting bracket 3 and the frame 1 improves the overall strength and connection reliability of the battery pack mounting structure. In addition, the plurality of battery pack mounting brackets 3 can be integrally mounted on the frame 1 in advance, and the subsequent battery pack 2 can be conveniently disassembled and assembled only with respect to the battery pack mounting bracket 3, so as to facilitate maintenance and repair.

[0037] ​For the convenience of connection between the connecting part 10 and the battery pack mounting bracket 3, as shown in Figures 1 to 4 The connecting part 10 can include a first connecting plate 101 extending vertically, the battery pack mounting bracket 3 can include a first mounting plate 301 extending vertically, and the first mounting plate 301 and the first connecting plate 101 can be detachably connected.

[0038] In order to realize the detachable connection between the first mounting plate 301 and the first connecting plate 101, as shown in Figure 3 and Figure 4 The first mounting plate 301 can be provided with a first mounting hole 31, and the first connecting plate 101 can be provided with a first connecting hole 11 corresponding to the position of the first mounting hole 31, and the first mounting plate 301 and the first connecting plate 101 can be fastened and connected by a fastener penetrating through the first mounting hole 31 and the first connecting hole 11.

[0039] In order to ensure the connection reliability between the first mounting plate 301 and the first connecting plate 101, the first mounting plate 301 can be provided with four first mounting holes 31, and the four first mounting holes 31 can be arranged in a rectangular shape. Correspondingly, the corresponding position on the first connecting plate 101 can also be provided with four first connecting holes 11, so as to increase the number of connecting points between the first mounting plate 301 and the first connecting plate 101, thereby improving the connection reliability between the two, and further improving the overall strength of the battery pack mounting structure.

[0040] In order to further increase the connection reliability between the connecting part 10 and the battery pack mounting bracket 3, as shown in Figures 1 to 4 The connecting part 10 can further include a second connecting plate 102 extending horizontally away from the battery pack 2 at the lower end of the first connecting plate 101, and the battery pack mounting bracket 3 can further include a second mounting plate 302 extending horizontally away from the battery pack 2 at the first mounting plate 301, and the second mounting plate 302 and the second connecting plate 102 are detachably connected. Specifically, in the assembled state, the second mounting plate 302 can be attached to the lower surface of the second connecting plate 102 to realize the fixed connection with the second connecting plate 102.

[0041] In order to realize the detachable connection between the second mounting plate 302 and the second connecting plate 102, as shown in Figures 4 to 6 The second mounting plate 302 can be provided with a second mounting hole 32, and the second connecting plate 102 can be provided with a second connecting hole 12 corresponding to the position of the second mounting hole 32, and the second mounting plate 302 and the second connecting plate 102 can be fastened and connected by a fastener penetrating through the second mounting hole 32 and the second connecting hole 12.

[0042] By the cooperation of the vertically extending first mounting plate 301 and the first connecting plate 101 and the horizontally extending second mounting plate 302 and the second connecting plate 102, the connection between the battery pack mounting bracket 3 and the vehicle frame 1 can be reinforced from the horizontal direction and the vertical direction, thereby enhancing the overall strength and working reliability of the battery pack mounting structure.

[0043] In order to realize the connection between the battery pack mounting bracket 3 and the battery pack 2, as shown in Figures 1 to 4 and Figure 6 , the battery pack mounting bracket 3 can further include a third mounting plate 303 horizontally extending from the first mounting plate 301 towards the battery pack 2, the third mounting plate 303 being used for detachably connecting with the tray 20 of the battery pack 2. Wherein, the battery pack 2 can include the battery module 22 and the tray 20, the battery module 22 being placed above the tray 20, and the third mounting plate 303 can be detachably connected with the tray 20 to realize the detachable connection between the battery pack mounting bracket 3 and the battery pack 2.

[0044] In order to realize the connection between the third mounting plate 303 and the tray 20, as shown in Figure 1 and Figure 2 , the third mounting plate 303 can be provided with a third mounting hole 33, and the tray 20 can be provided with a tray mounting hole 21, and the third mounting plate 303 and the tray 20 can be fastened and connected through fasteners penetrating through the third mounting hole 33 and the tray mounting hole 21.

[0045] Specifically, as shown in Figure 2 , the tray 20 can be provided with a plurality of tray mounting holes 21 on the side edge along the length direction of the battery pack 2, and the plurality of tray mounting holes 21 are respectively connected with the plurality of battery pack mounting brackets 3.

[0046] As shown in Figure 1 and Figure 2 , on some vehicles, in order to improve the endurance capability, the battery pack 2 can include two layers of battery modules 22 stacked up and down, that is, the battery pack 2 includes two trays 20 stacked up and down. In order to facilitate the installation of such battery pack 2, as shown in Figures 1 to 6As shown, the battery pack mounting bracket 3 can include two third mounting plates 303 arranged vertically, and the two third mounting plates 303 can be arranged between the two trays 20 of the battery pack 2, that is, the upper third mounting plate 303 is fixedly attached to the lower surface of the upper tray 20, and the lower third mounting plate 303 is fixedly attached to the upper surface of the lower tray 20. In this way, the battery module 22 and the tray 20 of the upper layer can be disassembled from above the battery pack mounting bracket 3, and the battery module 22 and the tray 20 of the lower layer can be disassembled from below the battery pack mounting bracket 3, so as to avoid interference of the battery pack mounting bracket 3 with the disassembly of the battery module 22 and the tray 20, thereby facilitating the maintenance and repair of the battery module 22 and the tray 20.

[0047] In addition, the battery pack mounting bracket 3 with two third mounting plates 303 can also be used for the installation of the battery pack 2 with only one layer of battery modules 22, so as to improve the versatility of the battery pack mounting bracket 3. In this way, the installation position of the battery module 22 and the tray 20 thereof can be conveniently selected, for example, the battery module 22 and the tray 20 thereof can be installed on the upper surface of the upper third mounting plate 303, or the battery module 22 and the tray 20 thereof can be installed on the lower surface of the lower third mounting plate 303 according to actual arrangement requirements.

[0048] In order to increase the structural strength of the battery pack mounting bracket 3, with reference to Figure 3 As shown, a reinforcing rib 36 extending vertically can be arranged between the two third mounting plates 303, so as to avoid deformation of the battery pack mounting bracket 3 supported between the two trays 20. In addition, the third mounting holes 33 on the third mounting plate 303 can be arranged corresponding to the reinforcing rib 36, that is, the fasteners passing through the third mounting holes 33 can cooperate with the reinforcing rib 36, so as to further improve the connection reliability between the battery pack mounting bracket 3 and the tray 20.

[0049] Corresponding to the above-mentioned battery pack mounting bracket 3 with two third mounting plates 303, with reference to Figure 6 As shown, the battery pack mounting bracket 3 can include a first bracket 34 and a second bracket 35, the first bracket 34 can be configured as a U-shaped bracket, the second bracket 35 can be configured as an L-shaped bracket, the opening of the U-shaped bracket can face the battery pack 2, the two side walls of the U-shaped bracket can be used as the two third mounting plates 303, and the bottom wall of the U-shaped bracket can be used as the first mounting plate 301. The first side wall of the L-shaped bracket can be fixedly connected to the side of the bottom wall of the U-shaped bracket away from the battery pack 2, and the second side wall of the L-shaped bracket extending at a 90-degree angle with the first side wall can be used as the second mounting plate 302.

[0050] In addition, the first mounting hole 11 on the first mounting plate 301 can penetrate the bottom wall of the U-shaped bracket and the first side wall of the L-shaped bracket, that is, the part of the battery pack mounting bracket 3 where the first mounting hole 11 is arranged is a double-layer plate structure, so as to increase the structural strength around the first mounting hole 11 on the battery pack mounting bracket 3, thereby improving the connection reliability of the battery pack mounting bracket 3 and the frame 1.

[0051] In addition, in order to further reduce the weight of the battery pack mounting structure, as shown in Figures 1 to 4 The frame 1 can also be provided with a plurality of weight reduction holes 13, so as to not only reduce the weight of the battery pack mounting structure, but also ensure that the frame 1 has sufficient structural strength.

[0052] On the basis of the above technical solutions, the present disclosure further provides a power battery module, comprising a battery pack and the battery pack mounting structure in the above technical solutions.

[0053] Through the above technical solutions, the power battery module provided by the present disclosure has the same technical effects as the battery pack mounting structure in the above technical solutions, and unnecessary repetition is avoided here.

[0054] On the basis of the above technical solutions, the present disclosure further provides a vehicle comprising the power battery module in the above technical solutions.

[0055] Through the above technical solutions, the vehicle provided by the present disclosure has the same technical effects as the power battery module in the above technical solutions, and unnecessary repetition is avoided here.

[0056] The preferred embodiments of the present disclosure are described in detail above in combination with the drawings, but the present disclosure is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the present disclosure within the technical concept of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

[0057] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present disclosure will not further describe various possible combination manners.

[0058] In addition, various different embodiments of the present disclosure can also be combined in any manner, as long as they do not deviate from the idea of the present disclosure, and they should also be considered as disclosed by the present disclosure.

Claims

1. A battery pack mounting structure, characterized in that, include: The vehicle frame, comprising two frames disposed on opposite sides of the battery pack in the width direction and extending parallel to each other in the length direction of the battery pack, wherein the lower part of the frame is provided with a connecting portion, and A battery pack mounting bracket is connected between the connecting portion and the side of the battery pack. A plurality of battery pack mounting brackets are spaced apart along the extension direction of the vehicle frame. The connecting portion includes a vertically extending first connecting plate, and the battery pack mounting bracket includes a vertically extending first mounting plate. The first mounting plate is detachably connected to the first connecting plate.

2. The battery pack mounting structure according to claim 1, characterized in that, The first mounting plate is provided with a first mounting hole, and the first connecting plate is provided with a first connecting hole at the position corresponding to the first mounting hole. The first mounting plate and the first connecting plate can be fastened together by fasteners passing through the first mounting hole and the first connecting hole.

3. The battery pack mounting structure according to claim 1, characterized in that, The connecting portion further includes a second connecting plate extending horizontally away from the lower end of the first connecting plate and away from the battery pack. The battery pack mounting bracket further includes a second mounting plate extending horizontally away from the first mounting plate and away from the battery pack. The second mounting plate is detachably connected to the second connecting plate.

4. The battery pack mounting structure according to claim 3, characterized in that, The second mounting plate is provided with a second mounting hole, and the second connecting plate is provided with a second connecting hole at the position corresponding to the second mounting hole. The second mounting plate and the second connecting plate can be fastened together by fasteners passing through the second mounting hole and the second connecting hole.

5. The battery pack mounting structure according to claim 3, characterized in that, The battery pack mounting bracket further includes a third mounting plate extending horizontally from the first mounting plate toward the battery pack, the third mounting plate being detachably connected to the tray of the battery pack.

6. The battery pack mounting structure according to claim 5, characterized in that, The third mounting plate is provided with a third mounting hole, and the third mounting plate and the tray can be fastened together by fasteners passing through the third mounting hole and the tray mounting hole on the tray.

7. The battery pack mounting structure according to claim 5, characterized in that, The battery pack mounting bracket includes two third mounting plates spaced apart vertically, which are positioned between two trays stacked vertically on top of each other.

8. The battery pack mounting structure according to claim 7, characterized in that, A vertically extending reinforcing rib is provided between the two third mounting plates.

9. The battery pack mounting structure according to claim 7, characterized in that, The battery pack mounting bracket includes a first bracket and a second bracket. The first bracket is U-shaped, and the second bracket is L-shaped. The opening of the U-shaped bracket faces the battery pack, the two side walls of the U-shaped bracket serve as the two third mounting plates, and the bottom wall of the U-shaped bracket serves as the first mounting plate. One side wall of the L-shaped bracket is fixedly connected to the side of the bottom wall of the U-shaped bracket opposite to the battery pack, and the other side wall of the L-shaped bracket serves as the second mounting plate.

10. The battery pack mounting structure according to claim 1, characterized in that, The frame is also equipped with multiple weight-reduction holes.

11. A power battery module, characterized in that, Includes a battery pack and a battery pack mounting structure according to any one of claims 1 to 10.

12. A vehicle, characterized in that, Includes the power battery module as described in claim 11.

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