Lithium battery safe to use

By introducing protective box, cooling pipe, exhaust components and air pumps into the lithium battery system, the safety hazards and poor heat dissipation effects of lithium batteries when used in high temperature and humid environments are solved, and more effective heat dissipation and Protective effect.

CN222463206UActive Publication Date: 2025-02-11GUANGZHOU GEILIENERGY ELECTRONICS CO LTD
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Patent Information

Application Number
CN202420308840.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-20
Publication Date
2025-02-11
Estimated Expiration
2034-02-20

AI Technical Summary

Technical Problem

Existing lithium batteries have safety risks when used in high temperature and humid environments, and traditional heat dissipation methods are not effective.

Method used

A lithium battery system including a protective box, a cooling tube, an exhaust component and an air pump is designed. By injecting a combination of coolant, a blower fan, a deflector and an exhaust component into the cooling tube, more effective heat dissipation and protection are achieved.

Benefits of technology

Through the combination of coolant and circulating airflow, the internal temperature of the lithium battery is significantly reduced, heat dissipation is accelerated, and safety is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium battery safe to use, which comprises a protective box body and a lithium battery, the lithium battery is fixed inside the protective box body, a cooling pipe is fixed on the inner wall of the protective box body, the cooling pipe is of a continuous S-shaped structural design, an exhaust component is mounted on one side of the protective box body, and a cooling fan is mounted on the other side of the protective box body. An air pump is fixed to the top of the protection box body, the air inlet end of the air pump is connected with the exhaust assembly through an air pipe, clamping corners are fixed to three feet of the outer wall of the lithium battery, fixing blocks are fixed to the clamping corners, and the fixing blocks are fixed to the inner wall of the protection box body; a mounting opening is formed in the other side of the outer wall of the protection box body, and a blowing fan is fixed in the mounting opening. According to the lithium battery, the internal temperature can be reduced through the cooling liquid in the cooling pipe, airflow is exhausted under the action of the exhaust assembly, the air pipe and the air pump, heat dissipation of the lithium battery is accelerated, and good heat dissipation and protection effects are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery that is safe to use. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and a non-aqueous electrolyte solution. Due to the extremely active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements.

[0003] Currently, lithium batteries are placed directly in the casing for protection during use. However, when used in a relatively high temperature environment, due to the high activity of lithium batteries, there are great safety hazards in the high temperature working environment, and the humid environment will further affect the safety of lithium battery use. Generally, a fan is simply added for heat dissipation, but the heat dissipation is relatively localized, and it is difficult to form a flowing ventilation space inside, and the effect is poor. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a lithium battery that is safe to use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A safe lithium battery comprises a protective box body and a lithium battery, wherein the lithium battery is fixed inside the protective box body, a cooling pipe is fixed to the inner wall of the protective box body, and the cooling pipe is designed as a continuous S-shaped structure, an exhaust assembly is installed on one side of the protective box body, an air pump is fixed to the top of the protective box body, and the air inlet end of the air pump is connected to the exhaust assembly through an air pipe, and three feet of the outer wall of the lithium battery are fixed with clamping angles, and the clamping angles are fixed with fixing blocks, and the fixing blocks are fixed to the inner wall of the protective box body;

[0007] An installation opening is provided on the other side of the outer wall of the protective box body, and a blower fan is fixed in the installation opening. A first guide plate and a second guide plate are fixed on the inner wall of the protective box body at the position of the blower fan. By setting the blower fan, the first guide plate and the second guide plate, the blower fan can be further started to allow external air to enter the interior of the protective box body, and under the action of the first guide plate and the second guide plate, the airflow flows along the two ends of the inner wall of the protective box body. Combined with the work of the exhaust component and the air pump, the internal heat can be discharged in time to achieve a circulation process.

[0008] As a further solution of the utility model, an injection pipe is fixed at the top position of the cooling pipe, and the injection pipe is arranged through the top of the protective box body. A discharge pipe is fixed at the bottom position of the cooling pipe, and the discharge pipe is arranged through the bottom of the protective box body. A plug cap is plugged on the discharge pipe, and coolant can be injected through the injection pipe and discharged through the discharge pipe.

[0009] As a further solution of the utility model, the exhaust assembly includes an air pipe fixed to the outer wall of the protective box body, and the inner wall of the protective box body is evenly provided with a plurality of transversely arranged exhaust hoods, and the exhaust hood is fixed with a connecting pipe, which passes through the protective box body and is fixed to the pipeline.

[0010] As a further solution of the utility model, a joint is fixed on the top of the pipeline, the joint is connected to the air pipe, and the other end of the air pipe is connected to the air inlet end of the air pump.

[0011] As a further solution of the utility model, mounting pieces are fixed at the four corners of the bottom of the protection box body, and mounting holes are opened on the mounting pieces.

[0012] As a further solution of the utility model, the front end of the protection box body is open, and an inspection cover is fixed at the opening position of the protection box body by screws.

[0013] The beneficial effects of the utility model are:

[0014] The utility model: through the provision of a protective box body, an inspection cover, a lithium battery, a clamping angle, a fixing block, an exhaust component, an air pipe, a cooling pipe, a liquid injection pipe and a liquid discharge pipe, etc., wherein the exhaust component comprises a pipeline, a connecting pipe and an exhaust hood, wherein a plurality of exhaust hoods are provided and are located inside the protective box body near the lithium battery, the cooling pipe is filled with coolant, the lithium battery is protected by an integrally arranged lithium battery and there is a flow space, when the lithium battery is overheated, the air pump is started, and the heat generated by the lithium battery enters the interior of the pipeline through the exhaust hood and is discharged in a centralized manner, and the above-mentioned design method can reduce the internal temperature through the coolant in the cooling pipe, and the air flow is discharged under the action of the exhaust component, the air pipe and the air pump, thereby accelerating the heat dissipation of the lithium battery, and having better heat dissipation and protection effects.

[0015] The utility model: through the set blower fan, the first guide plate and the second guide plate, the blower fan can be further started to allow the external air flow to enter the interior of the protective box body, and under the action of the first guide plate and the second guide plate, the air flow flows along the two ends of the inner wall of the protective box body. Combined with the work of the exhaust component and the air pump, the internal heat can be discharged in time to achieve a circulation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic diagram of the three-dimensional structure of a safe lithium battery proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a first internal three-dimensional structure of a safe lithium battery proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a second internal three-dimensional structure of a safe lithium battery proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of an exhaust assembly for a safe lithium battery proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of a third internal three-dimensional structure of a safe lithium battery proposed by the present invention.

[0021] In the figure: 1. Protective box body; 2. Inspection cover; 3. Lithium battery; 4. Angle clamp; 5. Fixing block; 6. Mounting piece; 7. Exhaust assembly; 8. Air pipe; 9. Air pump; 10. Pipe; 11. Connecting pipe; 12. Exhaust hood; 13. Connector; 14. Blower fan; 15. First guide plate; 16. Second guide plate; 17. Cooling pipe; 18. Filling pipe; 19. Drain pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] Reference Figure 1-Figure 5 A safe lithium battery comprises a protective box body 1 and a lithium battery 3, wherein the lithium battery 3 is fixed inside the protective box body 1, a cooling pipe 17 is fixed to the inner wall of the protective box body 1, and the cooling pipe 17 is designed as a continuous S-shaped structure, an exhaust assembly 7 is installed on one side of the protective box body 1, an air pump 9 is fixed to the top of the protective box body 1, and the air inlet end of the air pump 9 is connected to the exhaust assembly 7 through an air pipe 8, and three feet of the outer wall of the lithium battery 3 are fixed with clamping angles 4, and the clamping angles 4 are fixed with fixing blocks 5, and the fixing blocks 5 are fixed to the inner wall of the protective box body 1;

[0025] An installation opening is opened on the other side of the outer wall of the protective box body 1, and a blower fan 14 is fixed in the installation opening. A first guide plate 15 and a second guide plate 16 are fixed on the inner wall of the protective box body 1 at the position of the blower fan 14. By setting the blower fan 14, the first guide plate 15 and the second guide plate 16, the blower fan 14 can be further started to allow external air to enter the interior of the protective box body 1, and under the action of the first guide plate 15 and the second guide plate 16, the airflow flows along the two ends of the inner wall of the protective box body 1. Combined with the work of the exhaust component 7 and the air pump 9, the internal heat is discharged in time to achieve a circulation process.

[0026] In this embodiment, an injection pipe 18 is fixed at the top position of the cooling pipe 17, and the injection pipe 18 passes through the top of the protective box body 1. A discharge pipe 19 is fixed at the bottom position of the cooling pipe 17, and the discharge pipe 19 passes through the bottom of the protective box body 1. A plug cap is plugged on the discharge pipe 19, and the coolant can be injected through the injection pipe 18, and the coolant can also be discharged through the discharge pipe 19.

[0027] In this embodiment, the exhaust assembly 7 includes an air pipe 8 fixed to the outer wall of the protective box body 1, and the inner wall of the protective box body 1 is evenly provided with a plurality of transversely arranged exhaust hoods 12, and the exhaust hoods 12 are fixed with connecting pipes 11, which pass through the protective box body 1 and are fixed to the pipeline 10.

[0028] In this embodiment, a joint 13 is fixed to the top of the pipeline 10 , the joint 13 is connected to the air pipe 8 , and the other end of the air pipe 8 is connected to the air inlet end of the air pump 9 .

[0029] In this embodiment, mounting members 6 are fixed at the four corners of the bottom of the protection box body 1 , and mounting holes are formed on the mounting members 6 .

[0030] In this embodiment, the front end of the protection box body 1 is open, and an inspection cover 2 is fixed to the opening position of the protection box body 1 by screws.

[0031] Working principle: When in use, through the protection box body 1, inspection cover 2, lithium battery 3, clamping angle 4, fixing block 5, exhaust assembly 7, air pipe 8, cooling pipe 17, injection pipe 18 and discharge pipe 19, the exhaust assembly 7 includes a pipe 10, a connecting pipe 11 and an exhaust hood 12, wherein the exhaust hood 12 is provided in plurality and is located in the protective box body 1 near the lithium battery 3, the cooling pipe 17 is filled with coolant, the lithium battery 3 is protected by the integrally arranged lithium battery 3 and there is flow space, when the lithium battery 3 is overheated, the air pump 9 is started, and the heat generated by the lithium battery 3 enters the interior of the pipe 10 through the exhaust hood 12 and is discharged in a centralized manner, Through the above-mentioned design, the internal temperature can be lowered by the coolant in the cooling pipe 17, and the air flow is discharged under the action of the exhaust component 7, the air pipe 8 and the air pump 9, thereby accelerating the heat dissipation of the lithium battery 3, and having better heat dissipation and protection effects; further, through the set blower fan 14, the first guide plate 15 and the second guide plate 16, the blower fan 14 can be further started to allow the external air flow to enter the interior of the protective box body 1, and under the action of the first guide plate 15 and the second guide plate 16, the air flow flows along the two ends of the inner wall of the protective box body 1, and combined with the work of the exhaust component 7 and the air pump 9, the internal heat is discharged in time to achieve a circulation process.

[0032] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A safe lithium battery, comprising a protective box (1) and a lithium battery (3), characterized in that: The lithium battery (3) is fixed inside the protective box body (1); a cooling pipe (17) is fixed to the inner wall of the protective box body (1); the cooling pipe (17) is designed as a continuous S-shaped structure; an exhaust assembly (7) is installed on one side of the protective box body (1); an air pump (9) is fixed to the top of the protective box body (1); the air inlet end of the air pump (9) is connected to the exhaust assembly (7) via an air pipe (8); three feet of the outer wall of the lithium battery (3) are fixed with clamping angles (4); the clamping angles (4) are fixed with fixing blocks (5); the fixing blocks (5) are fixed to the inner wall of the protective box body (1); A mounting opening is provided on the other side of the outer wall of the protection box body (1), and a blower fan (14) is fixed in the mounting opening. A first guide plate (15) and a second guide plate (16) are fixed on the inner wall of the protection box body (1) at the position of the blower fan (14).

2. A safe lithium battery according to claim 1, characterized in that: A liquid injection pipe (18) is fixed at the top of the cooling pipe (17), and the liquid injection pipe (18) is arranged through the top of the protection box body (1); a liquid discharge pipe (19) is fixed at the bottom of the cooling pipe (17), and the liquid discharge pipe (19) is arranged through the bottom of the protection box body (1); and a plug cap is plugged on the liquid discharge pipe (19).

3. A safe lithium battery according to claim 2, characterized in that: The exhaust assembly (7) comprises an air pipe (8) fixed to the outer wall of the protective box body (1); the inner wall of the protective box body (1) is evenly provided with a plurality of transversely arranged exhaust hoods (12); the exhaust hoods (12) are fixed with connecting pipes (11); the connecting pipes (11) pass through the protective box body (1) and are fixed to the pipeline (10).

4. A safe lithium battery according to claim 3, characterized in that: A joint (13) is fixed on the top of the pipeline (10), and the joint (13) is connected to the air pipe (8), and the other end of the air pipe (8) is connected to the air inlet end of the air pump (9).

5. A safe lithium battery according to claim 1, characterized in that: Mounting pieces (6) are fixed at the four corners of the bottom of the protection box body (1), and mounting holes are provided on the mounting pieces (6).

6. A safe lithium battery according to claim 1, characterized in that: The front end of the protection box body (1) is open, and an inspection cover (2) is fixed at the opening position of the protection box body (1) by means of screws.