A high capacity sodium ion battery cover

Abstract

The utility model discloses a high-capacity sodium-ion battery cover plate, and relates to the technical field of battery cover plates. The utility model includes a cover plate body, a plurality of vents are provided on the cover plate body, and a heat dissipation channel shell is fixedly installed on one side of the cover plate body, the heat dissipation channel shell is correspondingly arranged on the upper side of the plurality of vents, the heat dissipation channel shell is connected with the plurality of vents, an accelerated heat dissipation mechanism is arranged on one side of the heat dissipation channel shell on the cover plate body, and the accelerated heat dissipation mechanism is connected with the heat dissipation channel shell, a gas cooling circulation mechanism is arranged on one side of the cover plate body, and the gas cooling circulation mechanism is connected with the accelerated heat dissipation mechanism. The utility model can reduce the heat accumulation on the battery cover plate, reduce the adverse effects on the service life of the battery parts, and can reduce or avoid the increase in the resistance of the electrode assembly, thereby reducing the degree of adverse effects on the battery's power utilization rate.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cover plates, in particular to a high-capacity sodium ion battery cover plate. Background Art

[0002] Sodium-ion battery is a rechargeable battery that mainly relies on the movement of sodium ions between the positive and negative electrodes to work. Similar to lithium-ion batteries, in order to increase the energy supply capacity of sodium-ion batteries, multiple groups of sodium-ion batteries are usually used in combination. In order to increase the capacity of sodium-ion batteries and reduce the overall volume of the entire battery, electrode components such as electrode pressure plates are usually designed for connection on the cover of the storage box for storing sodium-ion batteries to reduce the space occupied by the storage box below. However, a good sealing effect will lead to poor air flow on the lower side of the cover, which will cause heat accumulation on the battery cover, which will not only affect the service life of spare parts, but also some electrode components will increase resistance after the temperature rises, thereby reducing the overall battery power utilization rate. For this reason, a high-capacity sodium-ion battery cover is proposed. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that a good sealing effect will lead to poor air flow on the lower side of the cover plate, which will cause heat accumulation on the battery cover plate, not only affecting the service life of the spare parts, but also increasing the resistance of some electrode assemblies after the temperature rises, thereby reducing the overall battery power utilization rate. The utility model provides a high-capacity sodium ion battery cover plate.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A high-capacity sodium-ion battery cover plate comprises a cover plate body, wherein a plurality of vents are formed on the cover plate body, and a heat dissipation channel shell is fixedly mounted on one side of the cover plate body, wherein the heat dissipation channel shell is correspondingly arranged on the upper side of the plurality of vents, and the heat dissipation channel shell is connected to the plurality of vents, an accelerated heat dissipation mechanism is arranged on one side of the heat dissipation channel shell on the cover plate body, and the accelerated heat dissipation mechanism is connected to the heat dissipation channel shell, and a gas cooling circulation mechanism is arranged on one side of the cover plate body, and the gas cooling circulation mechanism is connected to the accelerated heat dissipation mechanism.

[0006] Preferably, the accelerated heat dissipation mechanism includes a micro fan, one side of the micro fan is fixedly installed in the heat dissipation channel housing, and a gas circulation pipe is fixedly installed at the air outlet end of the micro fan, one side of the gas circulation pipe is fixedly installed on the cover plate body, and a temperature control switch is arranged in the gas circulation pipe, a power supply is arranged on one side of the gas circulation pipe on the cover plate body, and the power supply and the temperature control switch are arranged to be electrically connected.

[0007] Preferably, a supporting filter screen plate is clamped and installed in the gas circulation pipeline, and an assembly hole is opened in the supporting filter screen plate, and the temperature control switch is embedded in the assembly hole of the supporting filter screen plate.

[0008] Preferably, the gas cooling circulation mechanism includes a cooling shell, the cooling shell is fixedly mounted on the cover plate body, and a gas return pipe is arranged in the cooling shell, one end of the gas return pipe is connected with the gas circulation pipeline, a return hole is opened on the cover plate body, and a return pipe is embedded in the return hole, one end of the return pipe is connected with the gas return pipe, and a cooling liquid is arranged between the cooling shell and the gas return pipe.

[0009] Preferably, the heat dissipation channel housing and the gas circulation pipeline are both made of heat-conducting metal materials, and the gas reflux pipe and the gas circulation pipeline are made of the same material.

[0010] Preferably, a moisture-proof edge guard is fixedly mounted on the peripheral side wall of the cover plate body, and the heights of the upper and lower sides of the moisture-proof edge guard both protrude from the height setting of the cover plate body.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. In the present invention, the air on the lower side of the battery cover can be introduced to the upper side through the provided vent holes and the heat dissipation channel shell, and auxiliary heat dissipation is performed based on the heat dissipation channel shell to avoid relying solely on the cover body for heat dissipation, and the distribution of the vent holes can accurately correspond to the installation position of the electrode assembly, so that even if the electrode assembly is installed relatively densely on the battery cover, the air flow on its lower side can be maintained, which is convenient for heat dissipation. When the temperature control switch senses that the temperature is too high, it will start the power supply to supply energy to the micro fan, thereby accelerating the flow of air, and the speed of gas flowing through the gas return pipe is accelerated, which can facilitate the introduction of heat into the cooling liquid, so that the heat accumulation on the battery cover can be reduced, the adverse effects on the service life of the battery parts can be reduced, and the resistance increase of the electrode assembly can be reduced or avoided, thereby reducing the degree of adverse effects on the battery's power utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view schematic diagram of the overall three-dimensional connection structure of the utility model;

[0014] Figure 2 This is a bottom-view schematic diagram of the overall three-dimensional connection structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the three-dimensional connection structure between the gas cooling circulation mechanism and the cover plate body in the utility model;

[0016] Figure 4 yes Figure 3 A is an enlarged structural diagram;

[0017] Figure 5 It is a schematic diagram of the three-dimensional connection structure between the heat dissipation channel shell and the cover plate body in the utility model.

[0018] Figure numerals: 1. Cover body; 2. Moisture-proof edge protection; 3. Heat dissipation channel shell; 4. Cooling shell; 5. Gas circulation pipeline; 6. Power supply; 7. Micro fan; 8. Vent; 9. Return air pipe; 10. Return air hole; 11. Gas return pipe; 12. Temperature control switch; 13. Support filter panel. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They 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 operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] like Figure 1-5As shown, a high-capacity sodium-ion battery cover plate includes a cover plate body 1, on the peripheral side wall of the cover plate body 1 is fixedly mounted a moisture-proof edge guard 2, the upper and lower sides of the moisture-proof edge guard 2 both protrude from the height setting of the cover plate body 1, the moisture-proof edge guard 2 protrudes from the lower side of the cover plate body 1 to improve the waterproof sealing effect, and the moisture-proof edge guard 2 protrudes from the upper side of the cover plate body 1 to protect the components installed on the upper side of the cover plate body 1.

[0024] A plurality of ventilation holes 8 are provided on the cover body 1, and a heat dissipation channel shell 3 is fixedly installed on one side of the cover body 1, and the heat dissipation channel shell 3 is correspondingly arranged on the upper side of the plurality of ventilation holes 8, and the heat dissipation channel shell 3 is connected to the plurality of ventilation holes 8. The air on the lower side of the battery cover can be introduced to the upper side through the arranged ventilation holes 8 and the heat dissipation channel shell 3, and auxiliary heat dissipation is performed based on the heat dissipation channel shell 3, so as to avoid relying solely on the cover body 1 for heat dissipation and facilitate heat dissipation.

[0025] An accelerated heat dissipation mechanism is provided on one side of the heat dissipation channel shell 3 on the cover body 1, and the accelerated heat dissipation mechanism includes a micro fan 7, one side of the micro fan 7 is fixedly installed in the heat dissipation channel shell 3, and a gas circulation pipe 5 is fixedly installed at the air outlet end of the micro fan 7, one side of the gas circulation pipe 5 is fixedly installed on the cover body 1, and a temperature control switch 12 is provided in the gas circulation pipe 5.

[0026] A support filter screen plate 13 is snap-fitted into the gas circulation duct 5, and an assembly hole is provided in the support filter screen plate 13. The temperature control switch 12 is embedded in the assembly hole of the support filter screen plate 13. The support filter screen plate 13 can filter out impurities in the air on the lower side of the cover body 1, thereby preventing dust and other impurities from having adverse effects on the lithium battery. A power supply 6 is provided on the cover body 1 on one side of the gas circulation duct 5, and the power supply 6 is electrically connected to the temperature control switch 12 and the micro fan 7. When the temperature control switch 12 senses that the temperature is too high, it will start the power supply 6 to supply energy to the micro fan 7, thereby accelerating the flow of air with the help of the micro fan 7.

[0027] A gas cooling circulation mechanism is arranged on one side of the cover body 1. The gas cooling circulation mechanism includes a cooling shell 4. The cooling shell 4 is fixedly mounted on the cover body 1. A gas return pipe 11 is arranged in the cooling shell 4. One end of the gas return pipe 11 is connected to the gas circulation pipeline 5. A return hole 10 is provided on the cover body 1. A return pipe 9 is embedded in the return hole 10. One end of the return pipe 9 is connected to the gas return pipe 11. A cooling liquid is arranged between the cooling shell 4 and the gas return pipe 11. The speed of gas flowing through the gas return pipe 11 is accelerated, which can facilitate the introduction of heat into the cooling liquid. In this way, the heat accumulation on the battery cover can be reduced, and the heat dissipation efficiency can be further accelerated. The heat dissipation channel shell 3 and the gas circulation pipeline 5 are both set to heat-conducting metal materials. The gas return pipe 11 and the gas circulation pipeline 5 are set to the same material. With the help of the set heat-conducting metal material, the heat dissipation can be accelerated, thereby improving the heat dissipation efficiency.

[0028] In summary: when the sodium ion battery is installed and operated, the air on the lower side of the cover body 1 can be introduced to the upper side through the set vents 8 and the heat dissipation channel shell 3, and auxiliary heat dissipation is performed based on the heat dissipation channel shell 3, avoiding relying solely on the cover body 1 for heat dissipation, and the distribution of the vents 8 accurately corresponds to the installation position of the electrode assembly, which will also facilitate the dissipation of heat through the air medium, and when the temperature control switch 12 senses that the temperature is too high, it will start the power supply 6 to supply energy to the micro fan 7, thereby accelerating the flow of air, so that the speed of gas flowing through the gas return pipe 11 is accelerated, which can facilitate the introduction of heat into the cooling liquid in the cooling shell 4, thereby reducing the heat accumulation on the battery cover.

[0029] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-capacity sodium-ion battery cover, characterized in that: The invention comprises a cover plate body (1), wherein a plurality of vent holes (8) are provided on the cover plate body (1), and a heat dissipation channel shell (3) is fixedly mounted on one side of the cover plate body (1), wherein the heat dissipation channel shell (3) is arranged correspondingly on the upper side of the plurality of vent holes (8), and the heat dissipation channel shell (3) is arranged in communication with the plurality of vent holes (8), an accelerated heat dissipation mechanism is arranged on one side of the heat dissipation channel shell (3) on the cover plate body (1), and the accelerated heat dissipation mechanism is arranged in communication with the heat dissipation channel shell (3), and a gas cooling circulation mechanism is arranged on one side of the cover plate body (1), and the gas cooling circulation mechanism is arranged in communication with the accelerated heat dissipation mechanism.

2. A high-capacity sodium-ion battery cover according to claim 1, characterized in that: The accelerated heat dissipation mechanism comprises a micro fan (7), one side of the micro fan (7) is fixedly mounted in a heat dissipation channel housing (3), and a gas circulation pipeline (5) is fixedly mounted at the gas outlet end of the micro fan (7), one side of the gas circulation pipeline (5) is fixedly mounted on a cover plate body (1), and a temperature control switch (12) is arranged in the gas circulation pipeline (5), and a power supply (6) is arranged on one side of the gas circulation pipeline (5) on the cover plate body (1), and the power supply (6) and the temperature control switch (12) are arranged to be electrically connected.

3. A high-capacity sodium-ion battery cover according to claim 2, characterized in that: A supporting filter screen plate (13) is clamped and installed in the gas circulation pipeline (5), and an assembly hole is opened in the supporting filter screen plate (13), and the temperature control switch (12) is embedded and installed in the assembly hole of the supporting filter screen plate (13).

4. A high-capacity sodium-ion battery cover according to claim 2, characterized in that: The gas cooling circulation mechanism comprises a cooling shell (4), the cooling shell (4) is fixedly mounted on the cover plate body (1), and a gas return pipe (11) is arranged in the cooling shell (4), one end of the gas return pipe (11) is connected to the gas circulation pipeline (5), a return hole (10) is opened on the cover plate body (1), and a return pipe (9) is embedded in the return hole (10), one end of the return pipe (9) is connected to the gas return pipe (11), and a cooling liquid is arranged between the cooling shell (4) and the gas return pipe (11).

5. A high-capacity sodium-ion battery cover plate according to claim 4, characterized in that: The heat dissipation channel housing (3) and the gas circulation pipeline (5) are both made of a heat-conducting metal material, and the gas return pipe (11) and the gas circulation pipeline (5) are made of the same material.

6. The high-capacity sodium-ion battery cover plate according to claim 1, characterized in that: A moisture-proof edge guard (2) is fixedly mounted on the peripheral side wall of the cover plate body (1), and the heights of the upper and lower sides of the moisture-proof edge guard (2) both protrude from the height setting of the cover plate body (1).

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