Lithium battery fixing device with heat dissipation protection function

Abstract

The utility model relates to the technical field of lithium battery devices, discloses a lithium battery fixing device with a heat dissipation protection function, and solves the problems that the heat dissipation effect is reduced and the lithium battery cannot be stably and quickly cooled and the practicability of the device is reduced due to the traditional heat dissipation fins and air cooling heat dissipation under the condition that the external temperature is relatively high. The battery heat dissipation mechanism comprises a lithium battery pack, a bent water pipe is arranged on the outer side of a lithium battery body, connecting pipes are arranged at the two ends of the bent water pipe, a bent pipe is arranged at one end of each connecting pipe, a water inlet pipe is arranged at one end of each bent pipe, and a water outlet pipe is arranged on one side of the bent pipe at the other end of the lithium battery pack. Due to the bent arrangement, the contact area with the lithium battery pack is increased, the heat dissipation efficiency is improved, water flow is input from the water inlet pipe, flows through the surface of the lithium battery pack and flows out from the water outlet pipe to rapidly take away heat, and rapid and stable cooling of the lithium battery pack is achieved without being affected by external temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery devices, in particular to a lithium battery fixing device with heat dissipation protection. 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. However, lithium batteries have the disadvantages of rapid heating and high temperatures when working. Therefore, it is necessary to set up a targeted heat dissipation mechanism to ensure the stable and safe operation of lithium batteries.

[0003] The existing Chinese patent with publication number CN205828604U discloses a lithium battery fixing device with a heat dissipation system, including a base and an upper cover body, wherein the base is a double-layer structure including an air circulation chamber and a battery fixing chamber, a heat dissipation fin connected to the battery fixing chamber is provided in the air circulation chamber, an air inlet channel and an air outlet channel connected to the air circulation chamber are also provided on the base, a plurality of fixing grooves are provided in the battery fixing chamber, a baffle is provided between two adjacent fixing grooves, a clamping spring is provided on each baffle, and a rubber pad is provided on the end of the clamping spring. The utility model can not only assemble lithium batteries into a lithium battery pack, but also dissipate heat for the lithium battery pack as a whole, adopts a combination of traditional heat dissipation fins and air cooling, has high heat dissipation efficiency, simple structure and convenient use. When realizing heat dissipation of lithium batteries, this device adopts a method of combining heat dissipation fins with air cooling, but this heat dissipation method is very unstable, because if the outside temperature is relatively high, the heat dissipation effect of air cooling and heat dissipation fins will be reduced, and stable and rapid heat dissipation of lithium batteries cannot be achieved, thereby greatly reducing the practicality of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a lithium battery fixing device with heat dissipation protection. The device is used to work, thereby solving the problem that the heat dissipation effect of traditional heat dissipation fins and air cooling is reduced when facing relatively high external temperatures and cannot achieve stable and rapid heat dissipation of the lithium battery, thereby greatly reducing the practicality of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery fixing device with heat dissipation protection, comprising a box body, a battery heat dissipation mechanism is fixedly arranged inside the box body, a cover plate is arranged on the upper end of the box body, the battery heat dissipation mechanism comprises a lithium battery pack, a curved water pipe is fixedly arranged on the outside of the lithium battery pack, connecting pipes are fixedly arranged at both ends of the curved water pipe, a curved pipe is fixedly arranged at one end of the connecting pipe, a water inlet pipe is fixedly arranged at one end of the curved pipe, a water outlet pipe is fixedly arranged on one side of the curved pipe at the other end of the lithium battery pack, the battery heat dissipation mechanism is bent and fitted on the surface of the lithium battery pack, and due to the curved shape and arrangement, it can maximize the contact area with the lithium battery pack, thereby improving the heat dissipation efficiency, water flows from the water inlet pipe, flows through the surface of the lithium battery pack, and flows out from the water outlet pipe to quickly take away the heat. This method is not affected by the external temperature and can achieve rapid and stable cooling of the lithium battery pack.

[0006] Preferably, one end of the water inlet pipe and the water outlet pipe are fixedly provided with a deformable connector. Through the provision of the deformable connector, it is convenient to connect the rectangular water pipe with the common circular water pipe in the outside world, thereby improving the adaptability of the battery heat dissipation mechanism to the outside world.

[0007] Preferably, filters are fixedly arranged around the box body, and the filter allows outside wind to enter through the arrangement of the filter, thereby playing an auxiliary heat dissipation effect on the battery heat dissipation mechanism.

[0008] Preferably, a rectangular convex strip is fixedly provided inside the lower end of the box body, and the rectangular convex strip fixes the lithium battery pack inside the box body to prevent the lithium battery pack from shifting and improve the overall stability.

[0009] Preferably, a fan is fixedly provided in the middle of the cover plate. The fan can discharge internal heat on the one hand, and increase the air volume coming in from outside the filter on the other hand, thereby further improving the heat dissipation efficiency and greatly improving the practicability of the device.

[0010] Preferably, L-shaped blocks are fixedly provided around the lower end of the cover plate. By providing L-shaped blocks around the lower end of the cover plate, the L-shaped blocks fit the shape of the lithium battery pack when the cover plate is closed, thereby increasing its stability.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model proposes a lithium battery fixing device with heat dissipation protection, comprising a box body, a battery heat dissipation mechanism fixedly arranged inside the box body, a cover plate arranged at the upper end of the box body, the battery heat dissipation mechanism comprising a lithium battery pack, a curved water pipe fixedly arranged on the outer side of the lithium battery pack, connecting pipes fixedly arranged at both ends of the curved water pipe, a curved pipe fixedly arranged at one end of the connecting pipe, a water inlet pipe fixedly arranged at one end of the curved pipe, a water outlet pipe fixedly arranged on one side of the curved pipe at the other end of the lithium battery pack, the battery heat dissipation mechanism is bent and fitted on the surface of the lithium battery pack, and due to the curved arrangement of the shape, the contact area with the lithium battery pack can be increased to the maximum extent, thereby improving the heat dissipation efficiency, water flows from the water inlet pipe, flows through the surface of the lithium battery pack, and flows out from the water outlet pipe to quickly take away the heat, and this method is not affected by the external temperature, and realizes rapid and stable cooling of the lithium battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the battery heat dissipation mechanism structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the box structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the cover structure of the utility model.

[0017] In the figure: 1. battery heat dissipation mechanism; 11. lithium battery pack; 12. bent water pipe; 13. connecting pipe; 14. bent pipe; 15. water inlet pipe; 16. deformable connecting piece; 17. water outlet pipe; 2. box body; 21. filter screen; 22. rectangular convex strip; 3. cover plate; 31. fan; 32. L-shaped block. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0020] Combination Figure 1-2A lithium battery fixing device with heat dissipation protection comprises a box body 2, a battery heat dissipation mechanism 1 is fixedly arranged inside the box body 2, a cover plate 3 is arranged on the upper end of the box body 2, the battery heat dissipation mechanism 1 comprises a lithium battery pack 11, a curved water pipe 12 is fixedly arranged on the outer side of the lithium battery pack 11, connecting pipes 13 are fixedly arranged at both ends of the curved water pipe 12, a curved pipe 14 is fixedly arranged at one end of the connecting pipe 13, a water inlet pipe 15 is fixedly arranged at one end of the curved pipe 14, and a water outlet pipe 17 is fixedly arranged on one side of the curved pipe 14 at the other end of the lithium battery pack 11. The battery heat dissipation mechanism 1 is bent and fitted on the surface of the lithium battery pack 11. Due to the curved shape, it can maximize the contact area with the lithium battery pack 11, thereby improving the heat dissipation efficiency. Water flows from the water inlet pipe 15 and flows through the surface of the lithium battery pack 11 and flows out from the water outlet pipe 17 to quickly take away the heat. This method is not affected by the external temperature and realizes rapid and stable cooling of the lithium battery pack 11.

[0021] Combination Figure 2 One end of the water inlet pipe 15 and the water outlet pipe 17 are fixedly provided with a deformable connector 16. Through the setting of the deformable connector 16, it is convenient to connect the rectangular water pipe with the common circular water pipe in the outside world, thereby improving the adaptability of the battery heat dissipation mechanism 1 with the outside world.

[0022] Combination Figure 3 A filter screen 21 is fixedly arranged around the box body 2. Through the arrangement of the filter screen 21, wind from the outside can come in, thereby playing an auxiliary heat dissipation effect on the battery heat dissipation mechanism 1.

[0023] Combination Figure 3 A rectangular convex strip 22 is fixedly disposed inside the lower end of the box body 2. The rectangular convex strip 22 fixes the lithium battery pack 11 inside the box body 2 to prevent the lithium battery pack 11 from shifting and improve the overall stability.

[0024] Combination Figure 4 A fan 31 is fixedly arranged in the middle of the cover plate 3. Through the arrangement of the fan 31, on the one hand, the internal heat can be discharged, and on the other hand, the air volume coming in from the filter 21 can be increased, thereby further improving the heat dissipation efficiency and greatly improving the practicality of the device.

[0025] Combination Figure 4 An L-shaped block 32 is fixedly arranged around the lower end of the cover plate 3. By setting the L-shaped block 32 around the lower end of the cover plate 3, the L-shaped block 32 fits the shape of the lithium battery pack 11 when the cover plate 3 is closed, thereby increasing its stability.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery fixing device with heat dissipation protection, comprising a box body (2), a battery heat dissipation mechanism (1) is fixedly arranged inside the box body (2), and a cover plate (3) is arranged at the upper end of the box body (2), characterized in that: The battery heat dissipation mechanism (1) comprises a lithium battery pack (11), a bent water pipe (12) is fixedly arranged on the outside of the lithium battery pack (11), connecting pipes (13) are fixedly arranged at both ends of the bent water pipe (12), a bent pipe (14) is fixedly arranged at one end of the connecting pipe (13), a water inlet pipe (15) is fixedly arranged at one end of the bent pipe (14), and a water outlet pipe (17) is fixedly arranged on one side of the bent pipe (14) at the other end of the lithium battery pack (11).

2. A lithium battery fixing device with heat dissipation protection according to claim 1, characterized in that: One end of the water inlet pipe (15) and the water outlet pipe (17) are both fixedly provided with a deformable connecting piece (16).

3. A lithium battery fixing device with heat dissipation protection according to claim 1, characterized in that: A filter screen (21) is fixedly arranged around the box body (2).

4. A lithium battery fixing device with heat dissipation protection according to claim 1, characterized in that: A rectangular convex strip (22) is fixedly arranged inside the lower end of the box body (2).

5. A lithium battery fixing device with heat dissipation protection according to claim 1, characterized in that: A fan (31) is fixedly arranged in the middle of the cover plate (3).

6. A lithium battery fixing device with heat dissipation protection according to claim 1, characterized in that: An L-shaped block (32) is fixedly arranged around the lower end of the cover plate (3).

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