Aluminum shell of power battery

Abstract

The utility model relates to the technical field of battery shells, in particular to a power battery aluminum shell which comprises an aluminum shell body, a supporting device is movably connected to the lower end of the aluminum shell body in a penetrating mode, and three heat dissipation devices are fixedly connected to the front end and the rear end of the aluminum shell body in a penetrating mode. The four corners of the upper end of the aluminum shell body are fixedly connected with first connecting pieces, the four first connecting pieces are movably connected with four second connecting pieces through screws, and the four second connecting pieces are jointly and fixedly connected with an upper cover plate. According to the aluminum shell of the power battery, the heat dissipation device is arranged, the anti-collision frame is fixed in the through groove through the four clamping plates, the metal net is located in the through groove, the anti-collision frame is located outside the aluminum shell body, and due to the fact that the anti-collision frame is of a U-shaped structure, the through groove can be protected; the aluminum shell body is communicated with the outside through the through groove, so that the battery in the aluminum shell body can be cooled through the through groove, and the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery aluminum shells, in particular to an aluminum shell for a power battery. Background Art

[0002] The aluminum shell of a power battery is a shell material used to wrap the power battery. Its main function is to protect the components inside the battery from damage by the external environment. It also has good thermal conductivity and electrical conductivity. Aluminum shells are usually lightweight, corrosion-resistant, high-strength and recyclable. They can meet the requirements of the power battery for the external environment during vehicle operation and can effectively extend the service life of the battery. There are at least the following disadvantages in the use of existing aluminum shells for power batteries: 1. Existing aluminum shells for power batteries often have heat dissipation fins on the outer surface to assist the battery in heat dissipation, but the heat dissipation effect of the fins is limited. Since the shell is a sealed structure, the temperature inside the shell will still rise, and additional fans are required for auxiliary heat dissipation. Therefore, we have launched an aluminum shell for a power battery. Utility Model Content

[0003] The main purpose of the utility model is to provide an aluminum casing for a power battery, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A power battery aluminum shell comprises an aluminum shell body, a supporting device is inserted and movably connected to the lower end of the aluminum shell body, three heat dissipation devices are inserted and fixedly connected to the front and rear ends of the aluminum shell body, a No. 1 connecting piece is fixedly connected to the four corners of the upper end of the aluminum shell body, four No. 1 connecting pieces are movably connected to four No. 2 connecting pieces by screws, and the four No. 2 connecting pieces are commonly fixedly connected to an upper cover plate.

[0006] Preferably, the heat dissipation device includes an anti-collision frame, which is a "U"-shaped structure, and two clamping plates are fixedly connected to the upper and lower ends of the anti-collision frame, and a metal mesh is fixedly connected to the rear end of the anti-collision frame.

[0007] Preferably, three through slots are respectively formed at the front end and the rear end of the aluminum shell body, and the middle parts of the upper slot walls and the lower slot walls of the six through slots are fixedly connected to limiting clamping plates.

[0008] Preferably, the anti-collision frame is movably connected to the through slot, the four clamping plates are respectively connected to the two limiting clamping plates, the metal mesh is located between the two limiting clamping plates, and the metal mesh is located in the through slot.

[0009] Preferably, the supporting device comprises a base, a notch is formed at the upper end of the base, a clamping plate is fixedly connected to the upper left and upper right parts of the notch, and a plurality of anti-slip bumps are fixedly connected to the ends of the two clamping plates close to each other.

[0010] Preferably, the base is movably connected with the lower end of the aluminum shell body through insertion, the two clamping plates are respectively located at the left end and the right end of the aluminum shell body, and the plurality of anti-slip bumps are all of a narrow upper and wide lower structure.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. By setting a heat dissipation device, the anti-collision frame is fixed in the through groove through four clamping plates, so that the metal mesh is located in the through groove, and the anti-collision frame is located outside the aluminum shell body. Since the anti-collision frame is a "U"-shaped structure, the through groove can be protected. Since the aluminum shell body is connected to the outside through the through groove, the battery inside the aluminum shell body can be cooled through the through groove, thereby improving the heat dissipation efficiency. By setting a metal mesh on the anti-collision frame, dust can be prevented from entering the aluminum shell body through the through groove under the action of the metal mesh;

[0013] 2. By setting up a supporting device, the aluminum shell body is inserted into the base, and the two clamping plates clamp the aluminum shell body, so that the base can lift and protect the lower end of the aluminum shell body to prevent the lower end of the aluminum shell body from being damaged by bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an aluminum shell of a power battery of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of a heat dissipation device for an aluminum housing of a power battery according to the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of a supporting device for an aluminum housing of a power battery according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of an aluminum shell body of an aluminum shell of a power battery.

[0018] In the figure: 1. Aluminum shell body; 2. Connector No. 1; 3. Connector No. 2; 4. Upper cover; 5. Heat dissipation device; 6. Support device; 11. Through groove; 12. Limiting card plate; 51. Anti-collision frame; 52. Metal mesh; 53. Clamping plate; 61. Base; 62. Notch; 63. Clamping plate; 64. Anti-slip bump. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4 , the utility model provides a technical solution:

[0023] A power battery aluminum shell comprises an aluminum shell body 1, a supporting device 6 is inserted and movably connected at the lower end of the aluminum shell body 1, three heat dissipation devices 5 are inserted and fixedly connected at the front and rear ends of the aluminum shell body 1, a No. 1 connecting piece 2 is fixedly connected to the four corners of the upper end of the aluminum shell body 1, four No. 1 connecting pieces 2 are movably connected to four No. 2 connecting pieces 3 by screws, and the four No. 2 connecting pieces 3 are commonly fixedly connected to an upper cover plate 4.

[0024] In this embodiment, the heat dissipation device 5 includes an anti-collision frame 51, which is a "U"-shaped structure. The upper and lower ends of the anti-collision frame 51 are fixedly connected to two clamping plates 53, and the rear end of the anti-collision frame 51 is fixedly connected to a metal mesh 52; the front and rear ends of the aluminum shell body 1 are each provided with three through grooves 11, and the middle of the upper groove wall and the middle of the lower groove wall of the six through grooves 11 are fixedly connected to a limiting clamping plate 12; the anti-collision frame 51 is movably connected with the through grooves 11, and the four clamping plates 53 are respectively connected with the two limiting clamping plates 12, and the metal mesh 52 is located between the two limiting clamping plates 12, and the metal mesh 52 is located in the through groove 11. Under the action of the metal mesh 52, dust and debris can be prevented from entering the aluminum shell body 1 through the through groove 11.

[0025] In this embodiment, the supporting device 6 includes a base 61, a slot 62 is opened at the upper end of the base 61, and the left and right upper ends of the slot 62 are fixedly connected to clamping plates 63, and the ends of the two clamping plates 63 close to each other are fixedly connected to a plurality of anti-slip protrusions 64; the base 61 is movably connected to the lower end of the aluminum shell body 1 through insertion, and the two clamping plates 63 are respectively located at the left and right ends of the aluminum shell body 1, and the plurality of anti-slip protrusions 64 are all narrow at the top and wide at the bottom.

[0026] It should be noted that the utility model is an aluminum shell for a power battery. During use, the anti-collision frame 51 is fixed in the through groove 11 by four clamping plates 53, so that the metal mesh 52 is located in the through groove 11, and the anti-collision frame 51 is located outside the aluminum shell body 1. Since the anti-collision frame 51 is a "U"-shaped structure, the through groove 11 can be protected, and then the remaining five heat dissipation devices 5 are installed on the remaining through grooves 11. Since the through grooves 11 make the aluminum shell body 1 communicate with the outside, the battery inside the aluminum shell body 1 can be dissipated through the through grooves 11, thereby improving the heat dissipation efficiency. By arranging the metal mesh 52 on the anti-collision frame 51, dust can be prevented from entering the aluminum shell body 1 through the through grooves 11 under the action of the metal mesh 52. The aluminum shell body 1 is inserted into the base 61, and the two clamping plates 63 clamp the aluminum shell body 1, so that the base 61 lifts and protects the lower end of the aluminum shell body 1 to prevent the lower end of the aluminum shell body 1 from being damaged by collision.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A power battery aluminum housing, comprising an aluminum housing body (1), characterized in that: The lower end of the aluminum shell body (1) is movably connected with a support device (6), the front and rear ends of the aluminum shell body (1) are both fixedly connected with three heat dissipation devices (5), the four corners of the upper end of the aluminum shell body (1) are all fixedly connected with a No. 1 connecting piece (2), the four No. 1 connecting pieces (2) are all movably connected with four No. 2 connecting pieces (3) through screws, and the four No. 2 connecting pieces (3) are commonly fixedly connected with an upper cover plate (4).

2. The power battery aluminum casing according to claim 1, characterized in that: The heat dissipation device (5) comprises an anti-collision frame (51), the anti-collision frame (51) is a "U"-shaped structure, the upper end and the lower end of the anti-collision frame (51) are fixedly connected to two clamping plates (53), and the rear end of the anti-collision frame (51) is fixedly connected to a metal mesh (52).

3. The power battery aluminum casing according to claim 1, characterized in that: The front end and the rear end of the aluminum housing body (1) are each provided with three through slots (11), and the middle portions of the upper slot walls and the lower slot walls of the six through slots (11) are fixedly connected to limit clamping plates (12).

4. The power battery aluminum casing according to claim 2, characterized in that: The anti-collision frame (51) is movably connected to the through slot (11), the four clamping plates (53) are respectively connected to the two limit clamping plates (12), the metal mesh (52) is located between the two limit clamping plates (12), and the metal mesh (52) is located in the through slot (11).

5. The power battery aluminum casing according to claim 1, characterized in that: The supporting device (6) comprises a base (61), a notch (62) is formed at the upper end of the base (61), a clamping plate (63) is fixedly connected to the upper left and upper right parts of the notch (62), and a plurality of anti-slip bumps (64) are fixedly connected to the ends of the two clamping plates (63) that are close to each other.

6. The aluminum housing of a power battery according to claim 5, characterized in that: The base (61) is movably connected to the lower end of the aluminum shell body (1), the two clamping plates (63) are respectively located at the left and right ends of the aluminum shell body (1), and the plurality of anti-slip bumps (64) are all of a narrow upper and wide lower structure.

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