Inclined supporting structure of battery system and battery system

Abstract

The utility model relates to the technical field of battery packs, in particular to a battery system inclined support structure and a battery system. The battery system inclined supporting structure comprises an inclined supporting base arranged on one side of the bottom of a battery pack; the supporting rod is vertically arranged on the inclined supporting base; the connecting piece is arranged on the supporting rod, and the supporting rod is connected with the outer side of a bag body of the battery pack through the connecting piece; the inclined supporting rod is arranged on the inclined supporting base, the upper end of the inclined supporting rod is connected with the supporting rod, and a set included angle is formed between the inclined supporting rod and the supporting rod. According to the utility model, the structural strength of the battery pack is improved through the inclined support structure, the anti-deformation capability of the battery pack system with high gravity center and heavy mass in the driving direction is effectively improved, the safety is improved, the structure is simple, and the manufacturing feasibility is strong.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, and in particular to an inclined support structure of a battery system and a battery system. Background Art

[0002] At present, the domestic new energy vehicles are in a stage of rapid development. New energy vehicles are used in a wider range and have also achieved great development in engineering machinery. At present, new energy power batteries are widely used in the field of engineering machinery. How to design a large-capacity battery system with stable structure is one of the technical keys of engineering machinery and also a major problem.

[0003] With the gradual popularization of electric new energy vehicles, technologies in various aspects have also been improved and enhanced. Among them, new energy battery packs in the field of heavy-duty truck applications have accounted for an increasingly larger proportion. However, due to the extremely high weight and high center of gravity of heavy-duty truck battery packs, the battery pack system structure is unstable and cannot meet usage requirements well. Utility Model Content

[0004] The purpose of the utility model is to provide a battery system oblique support structure to solve the above technical problems;

[0005] The purpose of the utility model is also to provide a battery system to solve the above technical problems;

[0006] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0007] A battery system oblique support structure, comprising:

[0008] An oblique support base is provided at one side of the bottom of the battery pack;

[0009] A support rod, vertically arranged on the oblique support base;

[0010] A connecting piece, disposed on the support rod, wherein the support rod is connected to the outer side of the battery pack through the connecting piece;

[0011] An oblique support rod is arranged on the oblique support base, and an upper end of the oblique support rod is connected to the support rod and has a set angle with the support rod.

[0012] Preferably, it also includes a base, and the battery pack and the oblique support base are arranged on the base.

[0013] Preferably, the base support includes a cross beam supporting the battery pack and the oblique support base, and the portion of the base support located below the oblique support base is provided with a base reinforcement rib, a first end of the base reinforcement rib is connected to one side of the cross beam, and a second end of the base reinforcement rib is connected to the lower surface of the oblique support base.

[0014] Preferably, the connecting member is a plate-shaped structure, and a side of the connecting member facing the battery pack is connected to the battery pack, and a side of the connecting member facing away from the battery pack is connected to the support rod.

[0015] Preferably, both sides of the connecting member are connected to the I-beam on the outer side of the battery pack body through a first fixing member.

[0016] Preferably, it also includes an oblique support reinforcement rib, which is a right-angled triangle structure, the first right-angled side of the oblique support reinforcement rib is connected to the connecting piece, the second right-angled side of the oblique support reinforcement rib is connected to the support rod and the oblique support rod, the first end of the hypotenuse of the oblique support reinforcement rib is connected to the oblique support rod, and the second end of the hypotenuse of the oblique support reinforcement rib is connected to the connecting piece.

[0017] Preferably, it further comprises a gasket, wherein the gasket is connected to the oblique support base via a second fixing member, and the support rod and the oblique support rod are arranged on the gasket.

[0018] Preferably, it further comprises a connecting rod, wherein a first end of the connecting rod is connected to the bottom of the supporting rod, and a second end of the connecting rod is connected to the bottom of the oblique supporting rod.

[0019] Preferably, it also includes a reinforcing plate, which is located between the area enclosed by the support rod, the oblique support rod and the connecting rod, the side edges of the reinforcing plate are respectively connected to the support rod, the oblique support rod and the connecting rod, and the reinforcing plate is provided with a hollow hole.

[0020] A battery system comprises a battery pack and the battery system oblique support structure.

[0021] Beneficial effects of the utility model: Due to the adoption of the above technical scheme, the utility model improves the structural strength of the battery pack through the structure of the oblique support, effectively solves the deformation resistance of the battery pack system with a high center of gravity and high mass in the driving direction, improves safety, has a simple structure, and has strong manufacturing feasibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is an outline diagram of the oblique support structure in the embodiment of the utility model;

[0023] Figure 2 This is an outline diagram of the oblique support structure in the embodiment of the utility model;

[0024] Figure 3 for Figure 2 A partial enlarged schematic diagram of

[0025] Figure 4 for Figure 2 A partial enlarged schematic diagram of

[0026] Figure 5 This is a structural schematic diagram of the oblique support structure in the embodiment of the utility model;

[0027] Figure 6 It is an exploded schematic diagram of the oblique support structure in the embodiment of the utility model.

[0028] In the attached drawings: 1. oblique support base; 11. second fixing member; 2. support rod; 21. oblique support reinforcement rib; 3. oblique support rod; 4. connecting rod; 5. battery pack; 51. I-beam; 6. bottom support; 61. crossbeam; 62. base reinforcement rib; 7. connecting member; 71. first fixing member; 8. gasket; 9. reinforcement plate; 91. hollow hole. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0032] A battery system oblique support structure, such as Figures 1 to 6 As shown, including,

[0033] An oblique support base 1 is provided at one side of the bottom of the battery pack 5;

[0034] A support rod 2 is vertically arranged on the oblique support base 1;

[0035] The connecting member 7 is provided on the support rod 2, and the support rod 2 is connected to the outer side of the battery pack 5 through the connecting member 7;

[0036] The oblique support rod 3 is arranged on the oblique support base 1 , and the upper end of the oblique support rod 3 is connected to the support rod 2 and has a set angle with the support rod 2 .

[0037] Specifically, the utility model proposes an oblique support structure for a battery system, which can effectively improve the mechanical properties of the battery system, such as the modal, inertial force, and random vibration, in a limited space, and effectively solve the problems of the current heavy-duty truck battery pack 5 with a large amount of power, a high center of gravity, and an unstable system structure. The oblique support rod 3 and the support rod 2 are connected to the outer side of the battery pack 5 through a connecting piece 7, which can improve the structural strength of the battery pack, effectively solve the problem of insufficient strength of the battery pack 5 with a high center of gravity and a heavy mass in the driving direction, and increase its safety, so that the battery pack 5 has excellent mechanical properties, especially good anti-deformation ability in the driving direction.

[0038] In a preferred embodiment, a base tray 6 is further included, and the battery pack 5 and the oblique support base 1 are arranged on the base tray 6 .

[0039] In a preferred embodiment, the base support 6 includes a cross beam 61 that supports the battery pack 5 and the oblique support base 1, and the portion of the base support 6 located below the oblique support base 1 is provided with a base reinforcement rib 62, wherein the first end of the base reinforcement rib 62 is connected to one side of the cross beam 61, and the second end of the base reinforcement rib 62 is connected to the lower surface of the oblique support base 1.

[0040] Specifically, the base 6 includes a plurality of cross beams 61, the cross beams 61 are oriented in the driving direction, and the cross beams 61 are parallel to each other. The cross beams 61 support the battery pack 5 and the oblique support base 1, and one oblique support base 1 is correspondingly arranged on one cross beam 61;

[0041] More specifically, the oblique support base 1 is a rectangular structure composed of four square steels. The oblique support base 1 is welded to the crossbeam 61, and the cross-sectional specification of the square steel is 60mm*60mm.

[0042] In a preferred embodiment, the connecting member 7 is a plate-shaped structure, and the side of the connecting member 7 facing the battery pack 5 is connected to the battery pack 5 , and the side of the connecting member 7 facing away from the battery pack 5 is connected to the support rod 2 .

[0043] In a preferred embodiment, two sides of the connecting member 7 are connected to the I-beam 51 on the outer side of the battery pack 5 through the first fixing member 71 .

[0044] Specifically, the utility model includes a plurality of connecting members 7 , and the connecting members 7 are distributed along the length direction of the support rod 2 .

[0045] Specifically, the connecting member 7 is a rectangular plate-like structure, the first fixing member 71 is a bolt, the connecting member 7 and the support rod 2 are connected by welding, and are connected to the I-beam 51 on the outer side of the battery pack 5 by bolts.

[0046] In a preferred embodiment, it also includes an oblique support reinforcement rib 21, which is a right-angled triangle structure. The first right-angled side of the oblique support reinforcement rib 21 is connected to the connecting piece 7, the second right-angled side of the oblique support reinforcement rib 21 is connected to the support rod 2 and the oblique support rod 3, the first end of the oblique side of the oblique support reinforcement rib 21 is connected to the oblique support rod 3, and the second end of the oblique side of the oblique support reinforcement rib 21 is connected to the connecting piece 7.

[0047] Specifically, the oblique support reinforcement ribs 21 are connected to the support rods 2 and the oblique support rods 3 by welding to enhance the oblique support strength.

[0048] In a preferred embodiment, it further includes a gasket 8 , which is connected to the oblique support base 1 through a second fixing member 11 , and the support rod 2 and the oblique support rod 3 are arranged on the gasket 8 .

[0049] Specifically, the second fixing member 11 is a bolt, and the gasket 8 is connected to the inclined support base 1 by welding and is connected and fixed to the inclined support base 1 by bolts.

[0050] In a preferred embodiment, a connecting rod 4 is further included, wherein a first end of the connecting rod 4 is connected to the bottom of the supporting rod 2 , and a second end of the connecting rod 4 is connected to the bottom of the oblique supporting rod 3 .

[0051] Specifically, the connecting rod 4 is used to strengthen the connection stability between the support rod 2 and the oblique support rod 3, thereby ensuring the structural stability of the oblique support structure of the battery system.

[0052] More specifically, the support rod 2, the oblique support rod 3 and the connecting rod 4 are all made of square steel with a cross-section of 50mm*50mm, and the three square steels are welded and connected to each other to form the main part of the oblique support.

[0053] In a preferred embodiment, it also includes a reinforcing plate 9, which is located between the area enclosed by the support rod 2, the oblique support rod 3 and the connecting rod 4. The sides of the reinforcing plate 9 are respectively connected to the support rod 2, the oblique support rod 3 and the connecting rod 4, and a hollow hole 91 is provided on the reinforcing plate 9.

[0054] Specifically, the hollow hole 91 is located in the middle area of ​​the reinforcement plate, which can reduce the weight of the reinforcement plate 9 and facilitate gas circulation.

[0055] A battery system comprises a battery pack 5 and a battery system oblique support structure in any one of the embodiments.

[0056] Specifically, by providing a battery system oblique support structure connected to the battery pack, the mechanical properties of the battery system such as modal, inertial force, random vibration, etc. are improved, and the structural strength of the battery pack is enhanced, thereby effectively solving the problems of the current large-capacity heavy-duty truck battery pack 5 being extremely heavy, having a high center of gravity, and being unstable in the system structure, and increasing its safety, so that the battery pack 5 has excellent mechanical properties, especially good anti-deformation ability in the driving direction.

[0057] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery system oblique support structure, characterized in that: include, An oblique support base (1) is arranged on one side of the bottom of the battery pack (5); A support rod (2) vertically arranged on the inclined support base (1); A connecting member (7) is arranged on the support rod (2), and the support rod (2) is connected to the outer side of the battery pack (5) through the connecting member (7); An oblique support rod (3) is arranged on the oblique support base (1); the upper end of the oblique support rod (3) is connected to the support rod (2) and a set angle is formed between the support rod (2).

2. The battery system oblique support structure according to claim 1, characterized in that: It also comprises a base (6), on which the battery pack (5) and the oblique support base (1) are arranged.

3. The battery system oblique support structure according to claim 2, characterized in that: The base bracket (6) comprises a crossbeam (61) supporting the battery pack (5) and the oblique support base (1); a portion of the base bracket (6) located below the oblique support base (1) is provided with a base reinforcement rib (62); a first end of the base reinforcement rib (62) is connected to one side of the crossbeam (61), and a second end of the base reinforcement rib (62) is connected to the lower surface of the oblique support base (1).

4. The battery system oblique support structure according to claim 1, characterized in that: The connecting member (7) is a plate-shaped structure; a side of the connecting member (7) facing the battery pack (5) is connected to the battery pack (5), and a side of the connecting member (7) facing away from the battery pack (5) is connected to the support rod (2).

5. The battery system oblique support structure according to claim 4, characterized in that: Both sides of the connecting member (7) are connected to the I-beam (51) on the outer side of the battery pack (5) via a first fixing member (71).

6. The battery system oblique support structure according to claim 1, characterized in that: It also includes an oblique support reinforcing rib (21), the oblique support reinforcing rib (21) being a right-angled triangle structure, the first right-angled side of the oblique support reinforcing rib (21) being connected to the connecting piece (7), the second right-angled side of the oblique support reinforcing rib (21) being connected to the support rod (2) and the oblique support rod (3), the first end of the oblique side of the oblique support reinforcing rib (21) being connected to the oblique support rod (3), and the second end of the oblique side of the oblique support reinforcing rib (21) being connected to the connecting piece (7).

7. The battery system oblique support structure according to claim 1, characterized in that: It also comprises a gasket (8), wherein the gasket (8) is connected to the oblique support base (1) via a second fixing member (11), and the support rod (2) and the oblique support rod (3) are arranged on the gasket (8).

8. The battery system oblique support structure according to claim 1, characterized in that: It also comprises a connecting rod (4), the first end of the connecting rod (4) being connected to the bottom of the supporting rod (2), and the second end of the connecting rod (4) being connected to the bottom of the oblique supporting rod (3).

9. The battery system oblique support structure according to claim 8, characterized in that: It also includes a reinforcing plate (9), which is located between the area enclosed by the support rod (2), the oblique support rod (3) and the connecting rod (4), the side edges of the reinforcing plate (9) are respectively connected to the support rod (2), the oblique support rod (3) and the connecting rod (4), and the reinforcing plate (9) is provided with a hollow hole (91).

10. A battery system, characterized in that: It comprises a battery pack (5) and a battery system oblique support structure as claimed in any one of claims 1 to 9.

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