Power battery bearing frame, power battery assembly and vehicle

Abstract

The utility model provides a power battery bearing frame, a power battery assembly and a vehicle. The power battery bearing frame comprises a front framework and a rear framework, a rear skeleton spaced apart in parallel from the front skeleton; a plurality of side brackets disposed at both sides of the front skeleton and the rear skeleton and removably connected to the front skeleton and the rear skeleton; the top brackets are arranged at the tops of the front framework and the rear framework and are detachably connected to the front framework and the rear framework; the plurality of battery supporting beams are detachably connected between the front framework and the rear framework; and a frame base removably connected to the bottom of the front skeleton and the rear skeleton. The power battery bearing frame, the power battery assembly and the vehicle have the advantages of being simple in structure, convenient to manufacture, easy to implement and the like.

Description

Technical Field

[0001] The present utility model relates to the field of power battery mounting devices. More specifically, the present utility model relates to a power battery carrier frame that provides improved assembly performance. The present utility model also relates to a power battery assembly including the above-mentioned power battery carrier frame, and a vehicle including the above-mentioned power battery assembly. Background Art

[0002] Electric vehicles are increasingly replacing fuel vehicles. Load vehicles such as heavy trucks have also started to adopt electric drive and thus require a relatively large number of power batteries. The power batteries of load vehicles not only have a large power capacity but also usually have a relatively large weight. Therefore, the fixation and assembly of power batteries for load vehicles pose relatively high requirements for safety, reliability, and assemblability. Power batteries are usually fixed in place through a power battery carrier frame and connected to the body structure of the load vehicle. Such power battery carrier frames usually adopt an integral frame structure with multi-layer welding, which thus brings problems such as complex processing, high transportation costs, low assembly efficiency, and low standardization. There is a continuous need in the art to provide a solution for an improved power battery carrier frame. Summary of the Utility Model

[0003] In view of this, the present utility model provides a power battery carrier frame, thereby solving or at least alleviating one or more of the above problems and other aspects existing in the prior art. The present utility model also provides a power battery assembly including the above-mentioned power battery carrier frame. The present utility model additionally provides a vehicle including the above-mentioned power battery assembly.

[0004] To achieve the foregoing objectives, a first aspect of the present utility model provides a power battery carrier frame, which includes:

[0005] A front skeleton;

[0006] A rear skeleton, which is spaced apart parallel to the front skeleton;

[0007] A plurality of side brackets, which are arranged on both sides of the front skeleton and the rear skeleton and are removably connected to the front skeleton and the rear skeleton;

[0008] A plurality of top brackets, which are arranged on the tops of the front skeleton and the rear skeleton and are removably connected to the front skeleton and the rear skeleton;

[0009] A plurality of battery support beams, which are removably connected between the front skeleton and the rear skeleton; and

[0010] A frame base, which is removably connected to the bottoms of the front skeleton and the rear skeleton.

[0011] In the power battery carrier frame as described above, optionally, the frame base includes auxiliary beam structures and battery brackets, the auxiliary beam structures and the battery brackets are connected together by welding, and the auxiliary beam structures are disposed at the bottom of the battery brackets.

[0012] In the power battery carrier frame as described above, optionally, the battery support beams are configured as bars or tubes, and both ends of the battery support beams are respectively connected to the front skeleton and the rear skeleton; wherein, the battery support beams are configured to support the bottom of the power battery.

[0013] In the power battery carrier frame as described above, optionally, the front skeleton and the rear skeleton respectively include a plurality of cross beams, a plurality of longitudinal beams and one or more diagonal beams, and the cross beams, the longitudinal beams and the diagonal beams are connected together by welding.

[0014] In the power battery carrier frame as described above, optionally, the front skeleton and the rear skeleton have the same structure, and each battery support beam is respectively connected to a cross beam or a longitudinal beam.

[0015] In the power battery carrier frame as described above, optionally, both ends of each side bracket are respectively connected to the longitudinal beams at both sides of the front skeleton and the rear skeleton, and both ends of each top bracket are respectively connected to the cross beams at the top of the front skeleton and the rear skeleton.

[0016] In the power battery carrier frame as described above, optionally, the side brackets, the top brackets and the frame base are removably connected to the front skeleton and the rear skeleton in one of the following ways: bolt connection, screw connection or riveting.

[0017] The second aspect of the present utility model provides a power battery assembly, which includes: one or more power batteries; and the above-mentioned power battery carrier frame, the power batteries are arranged within the power battery carrier frame and are fixed in place by the power battery carrier frame.

[0018] In the power battery assembly as described above, optionally, in the case where the power battery assembly includes a plurality of power batteries, the power batteries are stacked together to form a power battery stack, and a plurality of battery support beams are arranged between adjacent power batteries.

[0019] To achieve the foregoing object, the third aspect of the present utility model provides a vehicle, which includes: one or more main beams; and the above-mentioned power battery carrier assembly, wherein, the frame base is removably connected to the main beam in one of the following ways: bolt connection, screw connection or riveting. Description of the Drawings

[0020] Referring to the drawings, the disclosure of the present utility model will be more apparent. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the protection scope of the present utility model. In the drawings:

[0021] Figure 1 is an exploded view of an embodiment of the power battery carrier frame of the present utility model.

[0022] Figure 2 is Figure 1 another exploded view of the illustrated embodiment.

[0023] Figure 3 is Figure 1 the front view of the front skeleton of the illustrated embodiment.

[0024] Figure 4 is Figure 1 the perspective view of the battery support beam of the illustrated embodiment.

[0025] Figure 5 is the perspective view of the power battery and the battery support beam of an embodiment of the power battery assembly of the present application.

[0026] Figure 6 is the perspective view of the first step in the assembly of an embodiment of the power battery assembly of the present application.

[0027] Figure 7 is the perspective view of the second step in the assembly of an embodiment of the power battery assembly of the present application.

[0028] Figure 8 is the perspective view of the third step in the assembly of an embodiment of the power battery assembly of the present application.

[0029] Figure 9 is the perspective view of the fourth step in the assembly of an embodiment of the power battery assembly of the present application.

[0030] Figure 10 is the perspective view of the fifth step in the assembly of an embodiment of the power battery assembly of the present application.

[0031] Reference numerals: 10 - power battery carrier frame; 20 - power battery; 21 - assembly auxiliary bracket; 100 - front skeleton; 103 - side bracket mounting portion; 104 - top bracket mounting portion; 105 - battery support beam mounting portion; 110 - cross beam; 120 - longitudinal beam; 130 - diagonal beam; 200 - rear skeleton; 300 - side bracket; 400 - top bracket; 500 - battery support beam; 501 - first end; 502 - second end; 600 - frame base; 610 - battery tray; 620 - secondary beam structure. Detailed Description of the Invention

[0032] With reference to the accompanying drawings and specific embodiments, the structure, composition, features, advantages, etc. of the power battery carrier frame, power battery assembly, and vehicle of the present utility model will be described by way of example below. However, all descriptions should not be used to form any limitation to the present utility model.

[0033] For any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature shown or implied in the respective drawings, the present utility model still allows any combination or deletion to continue between these technical features (or their equivalents) without any technical obstacles. Therefore, it should be considered that these additional embodiments according to the present utility model are also within the scope of the present disclosure.

[0034] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features.

[0035] Figure 1 and Figure 2 FIGs. 12 - 13 show different exploded views of an embodiment of the power battery carrier frame of the present application. The power battery carrier frame 10 may include: a front frame 100, a rear frame 200, a plurality of side brackets 300, a plurality of top brackets 400, a plurality of battery support beams 500, a frame base 600, etc. Each of the above components may be removably connected together. In one embodiment, each of the above components may be removably connected by one of the following methods: bolt connection, screw connection, riveting, etc.

[0036] The front frame 100 and the rear frame 200 may have the same or similar structures. In one embodiment, the front frame 100 and the rear frame 200 are spaced apart in parallel. In one embodiment, the front frame 100 and the rear frame 200 have a mirror - symmetric structure.

[0037] A plurality of side brackets 300 may be disposed on both sides of the front frame 100 and the rear frame 200 and are removably connected to the front frame 100 and the rear frame 200. The side brackets 300 may be divided into two types: left - hand side brackets and right - hand side brackets. In one embodiment, the left - hand side brackets and the right - hand side brackets may have the same or similar structures. In one embodiment, both ends of the side bracket 300 may be respectively connected to one of the front frame 100 and the rear frame 200.

[0038] The top bracket 400 can be disposed at the top of the front frame 100 and the rear frame 200, and is removably connected to the front frame 100 and the rear frame 200. In one embodiment, the top bracket 400 can be configured differently from the side brackets 300. In one embodiment, the top bracket 400 and the side brackets 300 can have the same or similar structures. Both ends of the top bracket 400 can be respectively connected to one of the front frame 100 and the rear frame 200.

[0039] The battery support beam 500 can be removably connected between the front frame 100 and the rear frame 200. The battery support beam 500 can be configured as a bar-shaped, elongated or tubular shape. Both ends of the battery support beam 500 can be respectively connected to the front frame 100 and the rear frame 200. It is easily understandable that the battery support beam 500 can be configured to support the bottom of the power battery 20.

[0040] The frame base 600 is removably connected to the bottoms of the front frame 100 and the rear frame 200. In one embodiment, the frame base 600 can include a battery tray 610 and a secondary beam structure 620. The secondary beam structure 620 and the battery tray 610 can be connected together by welding, and the secondary beam structure 620 can be connected to the bottom of the battery tray 610. In one embodiment, the secondary beam structure 620 can be further removably connected to the main beams of a vehicle (not shown), for example, can be connected to two main beams of the vehicle. The connection between the secondary beam structure 620 and the main beam can be achieved by one of the following methods: bolt connection, screw connection or riveting, etc.

[0041] Figure 3 The front view of an embodiment of the front frame 100 is shown. It is easily understandable that the rear frame 200 can also have Figure 3 a similar structure as shown. The front frame 100 can include: a plurality of cross beams 110, a plurality of longitudinal beams 120, and one or more diagonal beams 130. Each of the cross beams 110, longitudinal beams 120, and diagonal beams 130 can be connected together by welding. In addition, the longitudinal beams 120 at both sides of the front frame 100 can include one or more side bracket mounting portions 103, and the cross beam 110 at the top of the front frame 100 can include one or more top bracket mounting portions 104. In one embodiment, both ends of each side bracket 300 can be respectively connected to the longitudinal beams at both sides of the front frame 100 and the rear frame 200, for example, connected to each side bracket mounting portion 103. Both ends of each top bracket 400 can be respectively connected to the cross beams at the top of the front frame 100 and the rear frame 200, for example, connected to each top bracket mounting portion 104. Both ends of each battery support beam 500 can be connected to the cross beams or longitudinal beams of the front frame 100 and the rear frame 200, for example, connected to the battery support beam mounting portion 105.

[0042] Figure 4Shows a perspective view of an embodiment of the battery support beam 500. As shown, the battery support beam 500 can be configured as a cuboid structure and can have a hollow structure. The first end 501 and the second end 502 of the battery support beam 500 can be connected to the front frame 100 and the rear frame 200 respectively. The interior of the battery support beam 500 can include a number of through-hole structures and a number of grooves.

[0043] Figures 5 to 10 Shows the assembly process of a part of the power battery assembly of the present application. Specifically, Figures 5 to 10 Shows the assembly process of the power battery 20 of the present application with the front frame 100, the rear frame 200, a plurality of side brackets 300, a plurality of top brackets 400, and the battery support beam 500.

[0044] As Figure 5 shown, the power battery 20 can be used in conjunction with a plurality of battery support beams 500, and the battery support beams 500 can be disposed at the bottom of the power battery. Figure 5 The state shown is also referred to as the pre-assembly of the power battery. In the illustrated embodiment, three battery support beams 500 are provided at the bottom of the power battery 20. According to actual needs, more than three or less than three battery support beams 500 can be provided at the bottom of the power battery 20.

[0045] A plurality of power batteries 20 and a plurality of battery support beams 500 can be stacked together. As Figure 6 shown, the assembly auxiliary bracket 21 can be used to assist in stacking the power batteries 20. Figure 6 Also shows different combination ways of the power battery 20 and the battery support beam 500. For example, five battery support beams 500 are provided at the bottom of the power battery 20 in the middle of the stack. The assembly auxiliary bracket 21 can include a retractable pallet to facilitate the stacking and assembly of multiple layers of power batteries 20.

[0046] As Figure 7 shown, the front frame 100 and the rear frame 200 can be connected to a plurality of power batteries 20 and a plurality of battery support beams 500. For example, both ends of each battery support beam 500 can be connected to the front frame 100 and the rear frame 200 respectively to form the Figure 8 structure shown in Figure 9 In Figure 10 a plurality of side brackets 300 and a plurality of top brackets 400 can be connected to the front frame 100 and the rear frame 200 to form the

[0047] The front frame 100, rear frame 200, multiple side brackets 300, multiple top brackets 400, multiple battery support beams 500, and frame base 600 can be made of one of the following materials: iron, ferroalloy, steel, alloy steel, aluminum alloy, composite material, or a combination thereof, etc.

[0048] The present utility model also provides a power battery assembly. The power battery assembly may include one or more power batteries 20 and the above-mentioned power battery carrier frame 10. The power batteries 20 may be arranged within the power battery carrier frame 10 and fixed in place by the power battery carrier frame 10. For example, on the basis of the structure in Figure 10 and connecting the frame base 600 shown in Figure 1 and Figure 2 to the bottoms of the front frame 100 and rear frame 200, an embodiment of the power battery assembly can be obtained. In such an embodiment, multiple battery support beams 500 are respectively provided at the bottoms of the respective power batteries 20, and in the case of including multiple power batteries, the power batteries 20 can be stacked together to form the power battery stack shown in Figures 6 to 10 The power batteries 20 can be lithium-ion batteries, solid-state batteries, hydrogen energy batteries, etc.

[0049] The present utility model also provides a vehicle, which includes the above-mentioned power battery assembly. In one embodiment, the vehicle can be a new energy vehicle. In one embodiment, the vehicle can be a freight vehicle. In one embodiment, the vehicle can be a heavy truck. The vehicle may include one or more main beams, and the power battery assembly can be removably mounted to one or more main beams. For example, the auxiliary beam structure 620 can be removably connected to the main beam, such as being connectable to two main beams of the vehicle.

[0050] The power battery carrier frame, power battery assembly, and vehicle of the present utility model have the advantages of simple structure, convenient manufacturing, and easy implementation, etc. The power battery carrier frame of the present utility model can be flexibly assembled and disassembled, has low transportation costs, and high standardization, and is particularly suitable for the rapid assembly and manufacturing of electric heavy trucks.

[0051] The technical scope of the present utility model is not limited to the content in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of the present utility model, and these deformations and modifications should all fall within the scope of the present utility model.

Claims

1. A power battery carrier frame (10), characterized in that, Comprising: A front skeleton (100); A rear skeleton (200), which is spaced apart parallel to the front skeleton (100); A plurality of side brackets (300), the side brackets (300) being disposed on both sides of the front skeleton (100) and the rear skeleton (200), and removably connected to the front skeleton (100) and the rear skeleton (200); A plurality of top brackets (400), the top brackets (400) being disposed at the top of the front skeleton (100) and the rear skeleton (200), and removably connected to the front skeleton (100) and the rear skeleton (200); A plurality of battery support beams (500), the plurality of battery support beams (500) being removably connected between the front skeleton (100) and the rear skeleton (200); And A frame base (600), which is removably connected to the bottoms of the front skeleton (100) and the rear skeleton (200).

2. The power battery carrier frame (10) according to claim 1, characterized in that, The frame base includes a secondary beam structure (620) and a battery carrier (610), the secondary beam structure (620) and the battery carrier (610) being connected together by welding, and the secondary beam structure (620) being disposed at the bottom of the battery carrier (610).

3. The power battery carrier frame (10) according to claim 1, characterized in that, The battery support beam (500) is configured to be bar-shaped or tubular, and both ends of the battery support beam (500) are respectively connected to the front skeleton (100) and the rear skeleton (200); wherein, the battery support beam (500) is configured to support the bottom of the power battery.

4. The power battery carrier frame (10) according to claim 1, wherein, The front skeleton (100) and the rear skeleton (200) respectively include a plurality of cross beams (110), a plurality of longitudinal beams (120) and one or more diagonal beams (130), the cross beams (110), the longitudinal beams (120) and the diagonal beams (130) being connected together by welding.

5. The power battery carrier frame (10) according to claim 4, wherein The front skeleton (100) and the rear skeleton (200) have the same structure, and each battery support beam (500) is respectively connected to the cross beam (110) or the longitudinal beam (120).

6. The power battery carrier frame (10) according to claim 4, characterized in that, Both ends of each side bracket (300) are respectively connected to the longitudinal beams (120) at both sides of the front skeleton (100) and the rear skeleton (200), and both ends of each top bracket (400) are respectively connected to the cross beams (110) at the top of the front skeleton (100) and the rear skeleton (200).

7. The power battery carrier frame (10) according to any one of claims 1-6, characterized in that, The side brackets (300), the top brackets (400) and the frame base (600) are removably connected to the front skeleton (100) and the rear skeleton (200) by one of the following methods: bolt connection, screw connection or riveting.

8. A power battery assembly, characterized in that, Comprising: One or more power batteries (20); And A power battery carrier frame (10) as described in any one of claims 1-7, the power battery (20) being disposed within the power battery carrier frame (10) and being fixed in place by the power battery carrier frame (10).

9. The power battery assembly according to claim 8, wherein, In the case where the power battery assembly includes a plurality of power batteries (20), the power batteries (20) are stacked together to form a power battery stack, and a plurality of battery support beams (500) are arranged between adjacent power batteries (20).

10. A vehicle, characterized in that, Comprising: One or more main beams; And The power battery carrying assembly according to claim 8 or 9, wherein the frame base is removably connected to the main beam by one of the following methods: bolt connection, screw connection or riveting.

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