Heat dissipation assembly, battery device and terminal equipment

Abstract

The utility model relates to the technical field of battery heat dissipation, and discloses a heat dissipation assembly, a battery device and terminal equipment, and the heat dissipation assembly comprises a first metal sheet, a first semiconductor, a second semiconductor, a second metal sheet and a condensation plate, the first metal sheet is attached to the side surface of the battery body; the first semiconductor is fixed on one side, deviating from the battery body, of the first metal sheet; the second semiconductor is fixed on one side, deviating from the battery body, of the first metal sheet and is spaced from the first semiconductor; the second metal sheet is fixed on the sides, deviating from the first metal sheet, of the first semiconductor and the second semiconductor; the second metal sheet is electrically connected with the first semiconductor, the second semiconductor and the first metal sheet to form a loop; according to the heat dissipation structure, the heat dissipation of the battery body can be more uniform, the heat dissipation efficiency of the battery body is improved, and the overall cooling capability of the battery body can be effectively realized.

Description

Technical Field

[0001] The utility model relates to the technical field of battery heat dissipation, and in particular to a heat dissipation component, a battery device and a terminal device. Background Art

[0002] When a terminal device such as a laptop or tablet device runs for too long, a large amount of heat will be emitted from the inside, and this heat may be conducted to the surrounding environment or even enter the battery. When the battery temperature is too high, its service life will be affected. In the prior art, auxiliary heat dissipation structures such as cooling fans and cooling fins are installed to dissipate heat from the battery. However, the fan and the cooling fins are only installed on one side of the battery. Due to the large cross-sectional area of ​​the battery, the temperature of the cooling air will continue to increase along the flow direction, resulting in uneven heat dissipation of the battery and low heat dissipation efficiency. Utility Model Content

[0003] In view of this, the utility model provides a heat dissipation component, a battery device and a terminal device to solve the problem of uneven heat dissipation of the battery and low heat dissipation efficiency.

[0004] In the first aspect, the utility model provides a heat dissipation component, including a first metal sheet, a first semiconductor, a second semiconductor, a second metal sheet and a condensation plate; the first metal sheet is used to be attached to the side of a battery body; the first semiconductor is fixed on the side of the first metal sheet away from the battery body; the second semiconductor is fixed on the side of the first metal sheet away from the battery body, and is spaced apart from the first semiconductor; the second metal sheet is fixed on the side of the first semiconductor and the second semiconductor away from the first metal sheet, and the second metal sheet and the first semiconductor, the second semiconductor and the first metal sheet are electrically connected to form a loop; the condensation plate covers the side of the second metal sheet away from the first semiconductor and the second semiconductor.

[0005] Beneficial effects: The second metal sheet and the first semiconductor, the second semiconductor and the first metal sheet are electrically connected to form a loop. According to the thermoelectric effect, after direct current is passed through the loop, the first metal sheet will absorb a large amount of heat, which can help cool the battery body, and release heat through the second metal sheet at the other end, thereby achieving the purpose of cooling the battery body, and the condensation plate covers the second metal sheet, which can help the second metal sheet release heat; the first metal sheet is attached to the side of the battery body, and can evenly disperse the heat generated by the battery body to various positions of the first metal sheet for heat dissipation, which can make the heat dissipation of the battery body more uniform, increase the heat dissipation efficiency of the battery body, and effectively realize the overall cooling capacity of the battery body.

[0006] In an optional embodiment, a receiving cavity is provided inside the condensation plate, and the receiving cavity is used to be filled with liquid cooling material.

[0007] Beneficial effects: By setting a cavity inside the condensation plate to hold liquid cooling material, the sealing can be improved, preventing the leakage of liquid cooling material from causing contamination of the battery body or damage to the equipment, and it is easy to carry. The liquid cooling material can achieve rapid cooling of the battery body, effectively prevent the risk of overheating of the battery body, and greatly improve the stability and service life of the battery body; at the same time, the liquid cooling material has higher utilization efficiency and can be reused; compared with traditional heat dissipation methods such as fans, it can greatly reduce the noise level during the heat dissipation process and provide a quieter working environment.

[0008] In an optional embodiment, a heat dissipation film is further included, and the heat dissipation film is arranged between the first metal sheet and the battery body.

[0009] Beneficial effect: By arranging a heat dissipation film between the first metal sheet and the battery body, the battery body can be helped to dissipate heat quickly, thereby improving the efficiency of heat transfer between the battery body and the first metal sheet.

[0010] In an optional embodiment, the heat dissipation film is a nano-carbon heat dissipation film.

[0011] Beneficial effects: The nano-carbon heat dissipation film has extremely high thermal conductivity, and can quickly transfer the heat emitted by the battery body to the first metal sheet, thereby improving the heat dissipation performance of the battery body; and the nano-carbon heat dissipation film is light in weight, thin in thickness, and has good flexibility, and can adapt to various complex shapes of the battery body surface, making it easy to install and use.

[0012] In an optional embodiment, the area of ​​the heat dissipation film is equal to the cross-sectional area of ​​the battery body, and / or the area of ​​the heat dissipation film is equal to the area of ​​the first metal sheet.

[0013] Beneficial effect: The area of ​​the heat dissipation film is equal to the cross-sectional area of ​​the battery body, and the area of ​​the heat dissipation film is equal to the area of ​​the first metal sheet. The heat dissipation film can cover the side of the battery body and the side of the first metal sheet, thereby increasing the contact area between the battery body and the first metal sheet and increasing the heat dissipation efficiency of the battery body surface.

[0014] In an optional embodiment, the cross-sectional area of ​​the battery body is equal to the area of ​​the first metal sheet, and / or the area of ​​the condensation plate is equal to the area of ​​the second metal sheet, and / or the area of ​​the first metal sheet is equal to the area of ​​the second metal sheet.

[0015] Beneficial effects: the cross-sectional area of ​​the battery body is equal to the area of ​​the first metal sheet, the area of ​​the condensation plate is equal to the area of ​​the second metal sheet, and the area of ​​the first metal sheet is equal to the area of ​​the second metal sheet, which can ensure that the first metal sheet completely covers the side of the battery body, the second metal sheet completely covers the condensation plate, and the first metal sheet completely covers the second metal sheet, which can improve the overall cooling capacity of the battery body surface and improve the cooling efficiency of the battery body.

[0016] In an optional embodiment, the circuit formed by the electrical connection between the second metal sheet, the first semiconductor, the second semiconductor and the first metal sheet is powered by the battery body; or, the circuit formed by the electrical connection between the second metal sheet, the first semiconductor, the second semiconductor and the first metal sheet is powered by an external power supply.

[0017] Beneficial effects: The circuit formed by the electrical connection between the second metal sheet, the first semiconductor, the second semiconductor and the first metal sheet is powered by the battery body, which can realize power supply to the circuit formed by the electrical connection between the second metal sheet, the first semiconductor, the second semiconductor and the first metal sheet anytime and anywhere, and is easy to carry. The circuit formed by the electrical connection between the second metal sheet, the first semiconductor, the second semiconductor and the first metal sheet is powered by an external power supply, which can improve the stability of the circuit formed by the electrical connection between the second metal sheet, the first semiconductor, the second semiconductor and the first metal sheet, and the use of an external power supply can also reduce the power loss of the battery body and improve the battery life of the battery body.

[0018] In a second aspect, the utility model further provides a battery device, comprising a fixing frame, a battery body and the above-mentioned heat dissipation assembly, wherein the battery body is fixed inside the fixing frame; and the heat dissipation assembly is fixedly connected to the battery body.

[0019] Beneficial effects: The battery body is fixed by the fixing frame, and the heat dissipation assembly is fixedly connected to the battery body, which can enhance the installation stability of the battery body and the heat dissipation assembly, facilitate installation and transportation, and can play a certain protective role on the battery body, thereby extending the service life of the battery body.

[0020] In an optional implementation, the condensation plate is fixedly connected to the fixing frame.

[0021] Beneficial effect: By fixedly connecting the condensing plate to the fixing frame, the connection strength of the heat dissipation component, the battery body and the overall structure of the fixing frame is enhanced, and the heat dissipation component is ensured to be located inside the fixing frame, which plays a certain protective role on the heat dissipation component.

[0022] In a third aspect, the utility model further provides a terminal device, comprising the above-mentioned battery device.

[0023] Beneficial effect: By installing the above-mentioned battery device on the terminal equipment, the heat dissipation efficiency of the battery body is increased, and the overall cooling capacity of the battery body can be effectively achieved during the use of the terminal equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the related technologies, the drawings required for use in the specific implementation methods or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 This is a front view of a heat dissipation component according to an embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 1. First metal sheet; 2. Battery body; 3. First semiconductor; 4. Second semiconductor; 5. Second metal sheet; 6. Condensation plate; 7. Heat dissipation film; 8. Fixing frame. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0029] Combine the following Figure 1 , describing an embodiment of the utility model.

[0030] Example 1

[0031] According to an embodiment of the utility model, on the one hand, a heat dissipation component is provided, including a first metal sheet 1, a first semiconductor 3, a second semiconductor 4, a second metal sheet 5 and a condensation plate 6; the first metal sheet 1 is used to be attached to the side of the battery body 2; the first semiconductor 3 is fixed on the side of the first metal sheet 1 away from the battery body 2; the second semiconductor 4 is fixed on the side of the first metal sheet 1 away from the battery body 2, and is spaced apart from the first semiconductor 3; the second metal sheet 5 is fixed on the side of the first semiconductor 3 and the second semiconductor 4 away from the first metal sheet 1, and the second metal sheet 5 is electrically connected to the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 to form a loop; the condensation plate 6 covers the side of the second metal sheet 5 away from the first semiconductor 3 and the second semiconductor 4.

[0032] The second metal sheet 5 is electrically connected to the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 to form a loop. According to the thermoelectric effect, after direct current is passed through the loop, the first metal sheet 1 will absorb a large amount of heat, which can help the battery body 2 to cool down, and release heat through the second metal sheet 5 at the other end, thereby achieving the purpose of cooling the battery body 2, and the condensation plate 6 is covered on the second metal sheet 5, which can help the second metal sheet 5 to release heat; the first metal sheet 1 is attached to the side of the battery body 2, and can evenly disperse the heat generated by the battery body 2 at various positions of the first metal sheet 1 for heat dissipation, which can make the heat dissipation of the battery body 2 more uniform, increase the heat dissipation efficiency of the battery body 2, and effectively realize the overall cooling capacity of the battery body 2.

[0033] In a specific embodiment, the first semiconductor 3 and the second semiconductor 4 are both strip-shaped structures and have the same thickness, which ensures that the first metal sheet 1 and the second metal sheet 5 are arranged in parallel to avoid the first metal sheet 1 and the second metal sheet 5 from contacting each other and causing a short circuit. Specifically, the first semiconductor 3 is an electron-type semiconductor (N-type semiconductor); the second semiconductor 4 is a hole-type semiconductor (P-type semiconductor).

[0034] In one embodiment, a receiving cavity is provided inside the condensation plate 6, and the receiving cavity is used to be filled with liquid cooling material.

[0035] By providing a cavity inside the condensation plate 6 to be filled with liquid cooling material, the sealing performance can be improved, the leakage of liquid cooling material can be prevented to cause pollution of the battery body 2 or damage to the equipment, and it is easy to carry. The liquid cooling material can achieve rapid cooling of the battery body 2, can effectively prevent the risk of overheating of the battery body 2, and greatly improve the stability and service life of the battery body 2; at the same time, the liquid cooling material has higher utilization efficiency and can be reused; compared with traditional heat dissipation methods such as fans, it can greatly reduce the noise level during the heat dissipation process, providing a quieter working environment.

[0036] In a specific embodiment, the liquid cooling substance can be light water, heavy water or high molecular weight polymers with cold storage function such as sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose and sodium polyacrylate.

[0037] In one embodiment, the cross-sectional area of ​​the battery body 2 is equal to the area of ​​the first metal sheet 1 , and / or the area of ​​the condensation plate 6 is equal to the area of ​​the second metal sheet 5 , and / or the area of ​​the first metal sheet 1 is equal to the area of ​​the second metal sheet 5 .

[0038] The cross-sectional area of ​​the battery body 2 is equal to the area of ​​the first metal sheet 1, the area of ​​the condensation plate 6 is equal to the area of ​​the second metal sheet 5, and the area of ​​the first metal sheet 1 is equal to the area of ​​the second metal sheet 5. This ensures that the first metal sheet 1 completely covers the side of the battery body 2, the second metal sheet 5 completely covers the condensation plate 6, and the first metal sheet 1 completely covers the second metal sheet 5, thereby improving the overall cooling capacity of the surface of the battery body 2 and improving the cooling efficiency of the battery body 2.

[0039] In a specific implementation, the areas of the heat dissipation film 7 , the first metal sheet 1 , and the second metal sheet 5 are also equal, and the areas of the condensation plate 6 and the second metal sheet 5 are equal.

[0040] In an alternative embodiment, the area of ​​the first metal sheet 1 may be smaller than the cross-sectional area of ​​the battery body 2. In another alternative embodiment, the area of ​​the first metal sheet 1 may be larger than the cross-sectional area of ​​the battery body 2.

[0041] According to an embodiment of the present utility model, on the other hand, a battery device is provided, including a fixing frame 8, a battery body 2 and the above-mentioned heat dissipation assembly, wherein the battery body 2 is fixed inside the fixing frame 8; and the heat dissipation assembly is fixedly connected to the battery body 2.

[0042] The battery body 2 is fixed by the fixing frame 8, and the heat dissipation assembly is fixedly connected to the battery body 2, which can enhance the installation stability of the battery body 2 and the heat dissipation assembly, facilitate installation and transportation, and can provide certain protection for the battery body 2, thereby extending the service life of the battery body 2.

[0043] In a specific implementation, the fixing frame 8 is a plastic frame.

[0044] In one embodiment, the condensation plate 6 is fixedly connected to the fixing frame 8 .

[0045] By fixedly connecting the condensation plate 6 to the fixing frame 8, the connection strength of the heat dissipation component, the battery body 2 and the overall structure of the fixing frame 8 is enhanced, and the heat dissipation component is ensured to be located inside the fixing frame 8, which plays a certain protective role on the heat dissipation component.

[0046] According to an embodiment of the present utility model, on the other hand, a terminal device is provided, comprising the above-mentioned battery device.

[0047] By installing the above-mentioned battery device on the terminal device, the heat dissipation efficiency of the battery body 2 is increased, and the overall cooling capability of the battery body 2 can be effectively achieved during the use of the terminal device.

[0048] In a specific implementation, the terminal device may be a laptop or a tablet device.

[0049] Example 2

[0050] In one embodiment, a heat dissipation film 7 is further included, and the heat dissipation film 7 is arranged between the first metal sheet 1 and the battery body 2 .

[0051] By providing the heat dissipation film 7 between the first metal sheet 1 and the battery body 2 , the battery body 2 can be helped to dissipate heat quickly, thereby improving the efficiency of heat transfer between the battery body 2 and the first metal sheet 1 .

[0052] In one embodiment, the heat dissipation film 7 is a nano-carbon heat dissipation film.

[0053] The nano-carbon heat dissipation film 7 has extremely high thermal conductivity, and can quickly transfer the heat emitted by the battery body 2 to the first metal sheet 1, thereby improving the heat dissipation performance of the battery body 2; and the nano-carbon heat dissipation film 7 is light in weight, thin in thickness, and has good flexibility, and can adapt to various complex shapes of the battery body 2 surface, making it easy to install and use.

[0054] Specifically, the heat dissipation film 7 may also be a graphite heat dissipation film.

[0055] Example 3

[0056] In one embodiment, the area of ​​the heat dissipation film 7 is equal to the cross-sectional area of ​​the battery body 2, and / or the area of ​​the heat dissipation film 7 is equal to the area of ​​the first metal sheet 1, that is, the heat dissipation film 7 covers the side of the battery body 2, and the heat dissipation film 7 covers the side of the first metal sheet 1.

[0057] The heat dissipation film 7 covers the side of the battery body 2 and the side of the first metal sheet 1 , thereby increasing the contact area between the battery body 2 and the first metal sheet 1 and increasing the heat dissipation efficiency of the surface of the battery body 2 .

[0058] Example 4

[0059] In one embodiment, the circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 is powered by the battery body 2; or, the circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 is powered by an external power supply.

[0060] The circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 is powered by the battery body 2, which can realize powering the circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 anytime and anywhere, and is easy to carry. The circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 is powered by an external power supply, which can improve the stability of the circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1, and the use of an external power supply can also reduce the power loss of the battery body 2 and improve the endurance of the battery body 2.

[0061] In a specific embodiment, the circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 is connected to the battery body 2 through a wire; or the circuit formed by the electrical connection between the second metal sheet 5, the first semiconductor 3, the second semiconductor 4 and the first metal sheet 1 is connected to an external power source through a wire.

[0062] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A heat dissipation component, characterized in that: include: A first metal sheet (1) is used to be attached to the side surface of the battery body (2); A first semiconductor (3) is fixed on a side of the first metal sheet (1) facing away from the battery body (2); A second semiconductor (4) is fixed on a side of the first metal sheet (1) facing away from the battery body (2) and is spaced apart from the first semiconductor (3); a second metal sheet (5) fixed to a side of the first semiconductor (3) and the second semiconductor (4) facing away from the first metal sheet (1), the second metal sheet (5) being electrically connected to the first semiconductor (3), the second semiconductor (4) and the first metal sheet (1) to form a loop; A condensation plate (6) covers a side of the second metal sheet (5) that is away from the first semiconductor (3) and the second semiconductor (4).

2. The heat dissipation assembly according to claim 1, characterized in that: The interior of the condensation plate (6) is provided with a receiving cavity, and the receiving cavity is used to be filled with a liquid cooling substance.

3. The heat dissipation assembly according to claim 1, characterized in that: It also comprises a heat dissipation film (7), wherein the heat dissipation film (7) is arranged between the first metal sheet (1) and the battery body (2).

4. The heat dissipation assembly according to claim 3, characterized in that: The heat dissipation film (7) is a nano-carbon heat dissipation film.

5. The heat dissipation assembly according to claim 3, characterized in that: The area of ​​the heat dissipation film (7) is equal to the cross-sectional area of ​​the battery body (2), and / or the area of ​​the heat dissipation film (7) is equal to the area of ​​the first metal sheet (1).

6. The heat dissipation assembly according to any one of claims 1 to 5, characterized in that: The cross-sectional area of ​​the battery body (2) is equal to the area of ​​the first metal sheet (1), and / or the area of ​​the condensation plate (6) is equal to the area of ​​the second metal sheet (5), and / or the area of ​​the first metal sheet (1) is equal to the area of ​​the second metal sheet (5).

7. The heat dissipation assembly according to any one of claims 1 to 5, characterized in that: The circuit formed by the electrical connection between the second metal sheet (5), the first semiconductor (3), the second semiconductor (4) and the first metal sheet (1) is powered through the battery body (2); Alternatively, the circuit formed by the electrical connection between the second metal sheet (5), the first semiconductor (3), the second semiconductor (4) and the first metal sheet (1) is powered by an external power source.

8. A battery device, characterized in that: It comprises a fixing frame (8), a battery body (2) and a heat dissipation assembly according to any one of claims 1 to 7, wherein the battery body (2) is fixed inside the fixing frame (8); and the heat dissipation assembly is fixedly connected to the battery body (2).

9. The battery device according to claim 8, characterized in that: The condensation plate (6) is fixedly connected to the fixing frame (8).

10. A terminal device, characterized in that: A battery device comprising the battery device according to claim 8 or 9.

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