Lithium battery with high heat dissipation performance

By combining a shock-resistant and flame-retardant enclosure with an aluminum heat-dissipating liner, along with a miniature cooling fan and a water immersion sensor, the problem of poor heat dissipation in lithium batteries is solved, achieving rapid heat dissipation and water ingress protection, thus extending the lifespan of lithium batteries.

CN223884468UActive Publication Date: 2026-02-06WEIYING NEW ENERGY TECH (WUXI) CO LTD
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Patent Information

Application Number
CN202423246391.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-02-06
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing lithium batteries have poor heat dissipation, especially during high-intensity use, which leads to increased temperature and affects their lifespan.

Method used

It adopts a combination of impact-resistant and flame-retardant enclosure, aluminum heat dissipation lining, thermal grease, air guide strip assembly, miniature heat dissipation fan and filter cartridge. The thermal grease transfers temperature and the miniature heat dissipation fan provides rapid heat dissipation. At the same time, it incorporates a water immersion sensor and a small electric push rod to prevent water ingress.

Benefits of technology

It achieves rapid heat dissipation of lithium batteries, prevents high-temperature damage, extends service life, and automatically seals to prevent damage when water enters, thus improving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium batteries, and discloses a lithium battery with high heat dissipation performance, which comprises an anti-collision flame-retardant box body, an aluminum heat dissipation lining is fixedly connected inside the anti-collision flame-retardant box body, a lithium battery block is arranged inside the aluminum heat dissipation lining, heat-conducting silicone grease is coated inside the aluminum heat dissipation lining, and the lithium battery block is arranged inside the anti-collision flame-retardant box body. The surface of the heat conduction silicone grease is in contact with the surface of the lithium battery block, the surface of the aluminum heat dissipation lining is fixedly connected with an air guide division bar group, and the surface of the air guide division bar group is fixedly connected into the anti-collision flame-retardant box body. According to the utility model, through the mutual cooperation of the structures such as the anti-collision flame-retardant box body, the aluminum heat dissipation lining, the lithium battery block, the heat conduction silicone grease, the air guide division bar group, the micro heat dissipation fan and the filter cartridge, the lithium battery block transmits the temperature to the aluminum heat dissipation lining through the heat conduction silicone grease; and then the micro heat dissipation fan injects air into the anti-collision flame-retardant box body for heat dissipation, so that rapid heat dissipation of the lithium battery can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field especially relates to a lithium battery with high heat dissipation performance. BACKGROUND

[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive / negative electrode material, using non-aqueous electrolyte solution battery, due to the chemical properties of lithium metal is very active, make the processing, preservation, use of lithium metal, the environment requirement is very high, lithium battery can be divided into two categories: lithium metal battery and lithium-ion battery.

[0003] Lithium battery is generally used as equipment power supply, in the use process, generally uses heat dissipation fan as heat dissipation structure, heat dissipation fan can only heat dissipation to one side of lithium battery, in the high intensity use process of lithium battery, the temperature of lithium battery will rise, long time keeps high temperature and reduces the service life of lithium battery.

[0004] Therefore, a lithium battery with high heat dissipation performance is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a lithium battery with high heat dissipation performance, which aims to improve the problem that the heat dissipation fan is generally used as the heat dissipation structure in the prior art, and the heat dissipation fan can only heat dissipation to one side of the lithium battery, and the heat dissipation effect is poor.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A lithium battery with high heat dissipation performance, comprising an anti-collision flame-retardant box body, an aluminum heat dissipation lining is fixedly connected inside the anti-collision flame-retardant box body, a lithium battery block is arranged inside the aluminum heat dissipation lining, heat-conducting silicone grease is applied inside the aluminum heat dissipation lining, the surface of the heat-conducting silicone grease is in contact with the surface of the lithium battery block, a wind guide partition strip group is fixedly connected to the surface of the aluminum heat dissipation lining, the wind guide partition strip group is fixedly connected to the inner wall of the anti-collision flame-retardant box body, a cover plate is fixedly installed at the top of the anti-collision flame-retardant box body, both sides of the bottom of the cover plate extend into the interior of the anti-collision flame-retardant box body, a micro heat dissipation fan is fixedly installed on both sides of the interior of the cover plate, a filter cartridge is threadedly connected to both sides of the interior of the cover plate, the filter cartridge is located on the inner side of the micro heat dissipation fan, and a water inlet prevention assembly is fixedly installed on both sides of the top of the cover plate.

[0008] Further description of the above technical scheme:

[0009] The water inlet prevention assembly comprises a sealing plate, the sealing plate is arranged on both sides of the top of the cover plate, the surface of the sealing plate is in contact with the cover plate, the front side of the sealing plate is fixedly connected with a small electric push rod, the small electric push rod is fixedly installed on the top of the cover plate through a fixing frame, and the front side of the anti-collision and flame-retardant box body is fixedly installed with a water immersion sensor, and the water immersion sensor is used in cooperation with the small electric push rod;

[0010] As a further description of the above technical scheme:

[0011] The surface of the sealing plate is provided with a limiting frame, and the surface of the limiting frame is fixedly connected to the surface of the cover plate.

[0012] As a further description of the above technical scheme:

[0013] The surface of the sealing plate is fixedly connected with a limiting block, both sides of the top of the cover plate are fixedly connected with protective covers, and the small electric push rod is located in the interior of the protective cover.

[0014] As a further description of the above technical scheme:

[0015] The output end of the small electric push rod is provided with a sealing ring set, and the surface of the sealing ring set is fixedly installed on the surface of the protective cover.

[0016] As a further description of the above technical scheme:

[0017] The front side of the anti-collision and flame-retardant box body is fixedly connected with an anti-collision partition plate, and the anti-collision partition plate is located in front of the water immersion sensor.

[0018] As a further description of the above technical scheme:

[0019] The bottom of the aluminum heat dissipation lining is fixedly connected with a support block set, the bottom of the support block set is fixedly connected to the bottom of the inner wall of the anti-collision and flame-retardant box body, and the bottom of the aluminum heat dissipation lining is fixedly connected with a temperature sensor.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, through the mutual cooperation of the anti-collision and flame-retardant box body, the aluminum heat dissipation lining, the lithium battery block, the heat-conducting silicone grease, the air guide partition strip group, the miniature heat dissipation fan and the filter cartridge, the temperature is transmitted to the aluminum heat dissipation lining through the heat-conducting silicone grease, then the miniature heat dissipation fan injects air into the interior of the anti-collision and flame-retardant box body to dissipate heat, and the lithium battery can be rapidly cooled.

[0022] 2. In the utility model, under the mutual cooperation of the sealing plate, the small electric push rod and the water immersion sensor structure, the ventilation of the cover plate can be sealed when the water level is detected, so that the water inlet in the interior of the cover plate is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 A three-dimensional schematic view of a lithium battery with high heat dissipation performance is proposed in the utility model;

[0024] Fig. 2 A structure schematic view of a cover plate of a lithium battery with high heat dissipation performance is proposed in the utility model;

[0025] Fig. 3 A structure schematic view of an aluminum heat dissipation lining of a lithium battery with high heat dissipation performance is proposed in the utility model;

[0026] Fig. 4 A structure schematic view of a wind guide partition strip group of a lithium battery with high heat dissipation performance is proposed in the utility model;

[0027] Fig. 5 A structure schematic view of a small electric push rod of a lithium battery with high heat dissipation performance is proposed in the utility model.

[0028] Legend:

[0029] 1, anti-collision flame-retardant box body; 2, aluminum heat dissipation lining; 3, lithium battery block; 4, heat-conducting silicone grease; 5, wind guide partition strip group; 6, cover plate; 7, micro heat dissipation fan; 8, filter cartridge; 9, sealing plate; 10, small electric push rod; 11, water immersion sensor; 12, limiting frame; 13, limiting block; 14, protective cover; 15, sealing ring group; 16, anti-collision partition plate; 17, support block group; 18, temperature sensor. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Reference Figs. 1-3The utility model provides an embodiment: a lithium battery with high heat dissipation performance, including anticollision flame -retardant box body 1, the inside fixed connection of anticollision flame -retardant box body 1 has aluminium heat dissipation lining 2, aluminium heat dissipation lining 2's bottom fixed connection has support block group 17, support block group 17's bottom fixed connection is in anticollision flame -retardant box body 1 inner wall's bottom, aluminium heat dissipation lining 2's bottom fixed connection has temperature sensor 18, through the auxiliary support of support block group 17 to aluminium heat dissipation lining 2, can prevent aluminium heat dissipation lining 2 long -time use appears the condition of deformation, temperature sensor 18 can monitor the temperature in anticollision flame -retardant box body 1 inside.

[0032] With reference to Figs. 1-3 The top of the cover plate 6 is fixedly installed with a water inlet prevention assembly on both sides, which comprises a sealing plate 9 arranged on both sides of the top of the cover plate 6, and the surface of the sealing plate 9 is in contact with the cover plate 6. The front side of the sealing plate 9 is fixedly connected with a small electric push rod 10, and the small electric push rod 10 is fixedly installed on the top of the cover plate 6 through a fixing frame. The front side of the anticollision flame -retardant box body 1 is fixedly installed with a water immersion sensor 11, and the water immersion sensor 11 is used in cooperation with the small electric push rod 10. Through the cooperation of the sealing plate 9, the small electric push rod 10 and the water immersion sensor 11, the ventilation opening of the cover plate 6 can be sealed when the water level is detected, so as to solve the problem of water inlet in the cover plate 6.

[0033] With reference to Figs. 3-5The surface of the sealing plate 9 is sleeved with a limiting frame 12, the surface of the limiting frame 12 is fixedly connected to the surface of the cover plate 6, the sealing plate 9 is limited through the limiting frame 12, and the shaking of the sealing plate 9 can be prevented. The surface of the sealing plate 9 is fixedly connected with a limiting block 13, the protective cover 14 is fixedly connected to the two sides of the top of the cover plate 6, the small electric push rod 10 is located in the protective cover 14, the sealing plate 9 is secondarily limited through the limiting block 13, the over-moving of the sealing plate 9 can be prevented, and the protective cover 14 can protect the small electric push rod 10. The output end of the small electric push rod 10 is sleeved with a sealing ring group 15, the surface of the sealing ring group 15 is fixedly installed on the surface of the protective cover 14, the gap between the protective cover 14 and the output end of the small electric push rod 10 is sealed through the sealing ring group 15, and the water entering the small electric push rod 10 can be prevented. The front side of the anti-collision flame-retardant box body 1 is fixedly connected with an anti-collision partition plate 16, the anti-collision partition plate 16 is located in front of the water immersion sensor 11, the anti-collision partition plate 16 protects the water immersion sensor 11, the water immersion sensor 11 can be prevented from being damaged due to object collision, and the safety of the water immersion sensor 11 is improved.

[0034] Working principle: in use, the temperature sensor 18 continuously monitors the temperature in the anti-collision flame-retardant box body 1, the lithium battery block 3 transmits the temperature to the aluminum heat dissipation lining 2 through the heat-conducting silicone grease 4, when the lithium battery block 3 is used at high strength and the temperature rises, the temperature in the anti-collision flame-retardant box body 1 rises, the temperature sensor 18 is triggered when the temperature reaches a set height, the left micro heat dissipation fan 7 draws external air into the anti-collision flame-retardant box body 1, the filter cartridge 8 filters the air, the right micro heat dissipation fan 7 draws the air in the anti-collision flame-retardant box body 1, and the two micro heat dissipation fans 7 are used in cooperation, so that the air can flow in the anti-collision flame-retardant box body 1 and be effectively and quickly dissipated. When used for a long time, the two micro heat dissipation fans 7 are reversely rotated, the impurities attached to the surface of the left filter cartridge 8 are blown away, the water level is monitored by the water immersion sensor 11, and the water level is prevented from being too high to enter the inside of the cover plate 6. When the water immersion sensor 11 is triggered, the small electric push rod 10 is started, the output end of the small electric push rod 10 drives the sealing plate 9 and the limiting block 13 to move to the rear side, the sealing plate 9 is moved in the limiting frame 12 and is positioned, the ventilation of the cover plate 6 is sealed, and water is prevented from entering.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A lithium battery with high heat dissipation performance, comprising an anti-collision and flame-retardant box body (1), characterized in that: The inside of the anti-collision flame-retardant box body (1) is fixedly connected with an aluminum heat dissipation lining (2), the inside of the aluminum heat dissipation lining (2) is provided with a lithium battery block (3), the inside of the aluminum heat dissipation lining (2) is coated with a heat-conducting silicone grease (4), the surface of the heat-conducting silicone grease (4) is in contact with the surface of the lithium battery block (3), the surface of the aluminum heat dissipation lining (2) is fixedly connected with a wind guide partition strip group (5), the surface of the wind guide partition strip group (5) is fixedly connected to the inner wall of the anti-collision flame-retardant box body (1), the top of the anti-collision flame-retardant box body (1) is fixedly installed with a cover plate (6), both sides of the bottom of the cover plate (6) extend to the inside of the anti-collision flame-retardant box body (1), both sides of the inside of the cover plate (6) are fixedly installed with a micro heat dissipation fan (7), both sides of the inside of the cover plate (6) are threadedly connected with a filter cylinder (8), the filter cylinder (8) is located on the inside of the micro heat dissipation fan (7), both sides of the top of the cover plate (6) are fixedly installed with a water inlet prevention assembly.

2. The lithium battery with high heat dissipation performance according to claim 1, characterized in that: The water inlet prevention assembly comprises a sealing plate (9), the sealing plate (9) is arranged on both sides of the top of the cover plate (6), the surface of the sealing plate (9) is in contact with the cover plate (6), the front side of the sealing plate (9) is fixedly connected with a small electric push rod (10), the small electric push rod (10) is fixedly installed on the top of the cover plate (6) through a fixing frame, the front side of the anti-collision flame-retardant box body (1) is fixedly installed with a water immersion sensor (11), the water immersion sensor (11) is used in cooperation with the small electric push rod (10).

3. The lithium battery with high heat dissipation performance according to claim 2, characterized in that: The surface of the sealing plate (9) is sleeved with a limiting frame (12), the surface of the limiting frame (12) is fixedly connected to the surface of the cover plate (6).

4. The lithium battery with high heat dissipation performance according to claim 3, characterized in that: The surface of the sealing plate (9) is fixedly connected with a limiting block (13), both sides of the top of the cover plate (6) are fixedly connected with a protective cover (14), the small electric push rod (10) is located in the inside of the protective cover (14).

5. The lithium battery with high heat dissipation performance according to claim 4, characterized in that: The output end of the small electric push rod (10) is sleeved with a sealing ring group (15), the surface of the sealing ring group (15) is fixedly installed on the surface of the protective cover (14).

6. The lithium battery with high heat dissipation performance according to claim 5, characterized in that: The front side of the anti-collision flame-retardant box body (1) is fixedly connected with an anti-collision partition plate (16), the anti-collision partition plate (16) is located on the front side of the water immersion sensor (11).

7. The lithium battery with high heat dissipation performance according to claim 1, characterized in that: The bottom of the aluminum heat dissipation lining (2) is fixedly connected with a support block group (17), the bottom of the support block group (17) is fixedly connected to the bottom of the inner wall of the anti-collision flame-retardant box body (1), the bottom of the aluminum heat dissipation lining (2) is fixedly connected with a temperature sensor (18).