High-magnification power type battery pack

By adopting a comprehensive heat dissipation design of components such as heat conduction plates, heat sinks and other components in high-speed power battery packs, the problem of slow heat dissipation speed of medium and high-speed power batteries in the existing technology is solved, and a faster and more effective heat dissipation effect is achieved, ensuring the battery stable operation.

CN222483478UActive Publication Date: 2025-02-14SHENZHEN JINJUNYE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202323444684.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-18
Publication Date
2025-02-14
Estimated Expiration
2033-12-18

AI Technical Summary

Technical Problem

The existing high-rate power batteries generate a lot of heat during operation, and the existing heat dissipation method only dissipates heat on one side of the battery, resulting in a slower heat dissipation speed and affects the heat dissipation effect.

Method used

A high-speed power battery pack is designed, using components such as heat conduction plates, heat sinks, partitions, heat dissipation holes, heat dissipation runners and heat dissipation slots, combined with a heat dissipation fan and a dustproof net to achieve comprehensive heat dissipation operation of the battery.

Benefits of technology

Through the comprehensive heat dissipation design, the heat dissipation speed and effect of the high-speed power battery is significantly improved, and the battery shaking problem is avoided due to vibration is ensured, ensuring the stable operation of the battery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of batteries, in particular to a high-magnification power type battery pack which comprises a battery box, a heat conducting plate is fixedly connected to one side in the battery box, a plurality of cooling fins are fixedly connected to the bottom side of the heat conducting plate, two partition plates are fixedly connected to the top side of the heat conducting plate, and the two partition plates are fixedly connected to the bottom side of the heat conducting plate. A plurality of heat dissipation holes are formed in one side of each of the two partition plates, and a plurality of high-magnification power batteries are arranged between the two partition plates. The high-magnification power battery heat dissipation device has the advantages that the heat conduction plate, the heat dissipation fins, the partition plate, the heat dissipation holes, the first heat dissipation flow channel, the second heat dissipation flow channel, the first heat dissipation groove, the second heat dissipation groove, the third heat dissipation groove, the heat dissipation cover, the air inlet shell and the heat dissipation fan are arranged in a matched mode, so that the high-magnification power battery can be subjected to comprehensive heat dissipation operation; when the high-magnification power battery works, heat dissipation operation can be rapidly carried out, the heat dissipation speed of the high-magnification power battery is increased, and the heat dissipation effect of the high-magnification power battery is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a high-rate power battery pack. Background Art

[0002] High-rate batteries generally refer to lithium batteries. Lithium-ion batteries are a type of high-rate charging battery that mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charging and discharging process, Li+ is embedded and de-embedded between the two electrodes: when charging the battery, Li+ is de-embedded from the positive electrode and embedded into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the opposite is true. Batteries that generally use materials containing lithium elements as electrodes are the representative of modern high-performance batteries. High-rate power batteries are power sources for tools, mostly referring to batteries that power electric vehicles, electric trains, electric bicycles, and golf carts. Power batteries are the core components of new energy vehicles and an important direction for future energy transformation. Power batteries are used to ensure their output power.

[0003] High-rate power batteries generate a lot of heat during operation. In order to ensure the normal operation of the high-rate power batteries, it is necessary to ensure the heat dissipation of the high-rate power batteries. In the prior art, a cooling fan is usually used to dissipate heat for the high-rate power batteries. This heat dissipation method generally only dissipates heat on one side of the high-rate power battery, which makes the heat dissipation speed of the high-rate power battery slower, affecting the heat dissipation effect of the high-rate power battery. Therefore, a high-rate power battery pack is needed to solve the above problem. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a high-rate power battery pack to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a high-rate power battery pack, including a battery box, a heat conducting plate is fixedly connected to one side of the battery box, a plurality of heat sinks are fixedly connected to the bottom side of the heat conducting plate, two partitions are fixedly connected to the top side of the heat conducting plate, a plurality of heat dissipation holes are provided on one side of the two partitions, a plurality of high-rate power batteries are arranged between the two partitions, a first heat dissipation channel is formed between the two partitions and the battery box, a second heat dissipation channel is formed between the bottom side of the heat conducting plate and the battery box, two first heat dissipation grooves, a second heat dissipation groove and a third heat dissipation groove are provided on two symmetrical side surfaces of the battery box, a heat dissipation cover is fixedly connected to one side of the battery box, an air intake shell is fixedly connected to one end of the heat dissipation cover, and a heat dissipation fan is fixedly installed inside the air intake shell.

[0007] Preferably, any of the above schemes is that a cover plate is provided on one side of the battery box, a telescopic rod and a fixed spring are fixedly installed on one side of the cover plate, an end of the telescopic rod away from the cover plate is fixedly connected to a fixed pressure plate, and a side of the fixed pressure plate away from the telescopic rod is fixedly connected to a protective pad.

[0008] Preferably, any of the above schemes is that a first dustproof net is fixedly mounted on one side of the heat dissipation cover, and a second dustproof net is fixedly mounted on the inner walls of the first heat dissipation slot, the second heat dissipation slot and the third heat dissipation slot.

[0009] Preferably, any of the above schemes is that the first heat dissipation slot corresponds to the position of the first heat dissipation channel, the first heat dissipation slot is connected to the first heat dissipation channel, and the second heat dissipation slot is connected to the second heat dissipation channel.

[0010] Preferably, any of the above solutions is that the first heat dissipation slot, the second heat dissipation slot and the third heat dissipation slot are all located inside the heat dissipation cover.

[0011] Preferably, any of the above schemes has a height of the high-rate power battery that is less than a height of the partition, the third heat dissipation slot is located above the high-rate power battery, the heat dissipation holes correspond to the number of the high-rate power batteries, and the heat dissipation holes correspond to the positions of the high-rate power batteries.

[0012] Preferably, any of the above schemes is that the telescopic rod is located inside the fixed spring, one end of the fixed spring away from the cover plate is fixedly connected to the fixed pressure plate, and the material of the protective pad is rubber.

[0013] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0014] 1. Through the coordinated arrangement of the heat conducting plate, the heat sink, the partition, the heat dissipation hole, the first heat dissipation channel, the second heat dissipation channel, the first heat dissipation slot, the second heat dissipation slot, the third heat dissipation slot, the heat dissipation cover, the air intake shell and the heat dissipation fan, the high-rate power battery can be fully cooled. When the high-rate power battery is working, the heat dissipation operation can be performed quickly, which improves the heat dissipation speed of the high-rate power battery and makes the heat dissipation effect of the high-rate power battery better.

[0015] 2. Through the coordinated arrangement of the cover plate, telescopic rod, fixed spring, fixed pressure plate and protective pad, it is possible to facilitate the fixing operation of the high-rate power battery, ensure the connection stability of the high-rate power battery, and greatly avoid the shaking of the high-rate power battery caused by vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure from a first perspective of the utility model without a high-rate power battery installed;

[0019] Figure 4 This is a second perspective structural schematic diagram of the utility model without a high-rate power battery;

[0020] Figure 5 It is a structural schematic diagram of the heat conducting plate and its connecting components of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the cover plate and its connecting components of the utility model.

[0022] In the figure: 1-battery box, 2-heat conduction plate, 3-heat sink, 4-partition, 5-heat dissipation hole, 6-first heat dissipation channel, 7-second heat dissipation channel, 8-first heat dissipation slot, 9-second heat dissipation slot, 10-third heat dissipation slot, 11-heat dissipation cover, 12-air intake shell, 13-heat dissipation fan, 14-cover plate, 15-telescopic rod, 16-fixed spring, 17-fixed pressure plate, 18-protective pad, 19-first dustproof net, 20-second dustproof net. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] like Figures 1 to 6As shown, a high-rate power battery pack comprises a battery box 1, a heat conducting plate 2 is fixedly connected to one side of the battery box 1, the heat conducting plate 2 is made of a non-metallic material with good thermal conductivity, a plurality of heat sinks 3 are fixedly connected to the bottom side of the heat conducting plate 2, two partitions 4 are fixedly connected to the top side of the heat conducting plate 2, a plurality of heat dissipation holes 5 are provided on one side of the two partitions 4, a plurality of high-rate power batteries are arranged between the two partitions 4, a first heat dissipation channel 6 is formed between the two partitions 4 and the battery box 1, a second heat dissipation channel 7 is formed between the bottom side of the heat conducting plate 2 and the battery box 1, two first heat dissipation grooves 8, a second heat dissipation groove 9 and a third heat dissipation groove 10 are provided on two symmetrical side surfaces of the battery box 1, a heat dissipation cover 11 is fixedly connected to one side of the battery box 1, an air intake shell 12 is fixedly connected to one end of the heat dissipation cover 11, a heat dissipation fan 13 is fixedly installed inside the air intake shell 12, when the high-rate power battery is working, the heat on the bottom side of the high-rate power battery will be conducted to the heat conducting plate 2 and be radiated through a plurality of heat dissipation holes 5. The heat sheet 3 dissipates the heat at the bottom of the high-rate power battery, and starts the heat dissipation fan 13. The generated airflow will enter the interior of a first heat dissipation slot 8, a second heat dissipation slot 9 and a third heat dissipation slot 10. The airflow entering the interior of a first heat dissipation slot 8 will enter the interior of the first heat dissipation channel 6, and dissipate the heat of the two symmetrical sides of the high-rate power battery through the heat dissipation holes 5, and then dissipate the heat of the two sides of the high-rate power battery to the outside through another first heat dissipation slot 8. The airflow entering the interior of a second heat dissipation slot 9 will enter the interior of the second heat dissipation channel 7, thereby dissipating the heat of the heat sink 3, and then dissipate the heat to the outside through another second heat dissipation slot 9, so that the heat dissipation effect of the heat sink is relatively good, and the airflow entering the interior of a third heat dissipation slot 10 will dissipate the top side of the high-rate power battery, and dissipate the heat to the outside through another third heat dissipation slot 10, thereby performing comprehensive heat dissipation operations on the four sides of the high-rate power battery.

[0025] As an optional technical solution of the utility model, a cover plate 14 is provided on one side of the battery box 1, and a telescopic rod 15 and a fixed spring 16 are fixedly installed on one side of the cover plate 14, and the end of the telescopic rod 15 away from the cover plate 14 is fixedly connected to a fixed pressure plate 17, and the side of the fixed pressure plate 17 away from the telescopic rod 15 is fixedly connected to a protective pad 18, and a lock is fixedly installed on one side of the battery box 1, and a lock buckle is provided on one side of the cover plate 14. The battery box 1 and the cover plate 14 can be connected by the lock head and the lock buckle. After the battery box 1 and the cover plate 14 are connected, the telescopic rod 15 is in a retracted state, and the fixed spring 16 is in a compressed state at this time. Under the reaction force of the fixed spring 16, the protective pad 18 is tightly fitted to the top side of the high-rate power battery, thereby fixing the high-rate power battery and making the high-rate power battery more firmly fixed.

[0026] As an optional technical solution of the present utility model, a first dustproof net 19 is fixedly installed on one side of the heat dissipation cover 11, and a second dustproof net 20 is fixedly installed on the inner walls of the first heat dissipation groove 8, the second heat dissipation groove 9 and the third heat dissipation groove 10. The first dustproof net 19 and the second dustproof net 20 can prevent dust from entering the interior of the battery box 1.

[0027] As an optional technical solution of the present utility model, the position of the first heat dissipation groove 8 corresponds to the first heat dissipation channel 6, the first heat dissipation groove 8 is connected to the first heat dissipation channel 6, and the second heat dissipation groove 9 is connected to the second heat dissipation channel 7, so that the gas can circulate between the first heat dissipation groove 8 and the first heat dissipation channel 6, and the gas can circulate between the second heat dissipation groove 9 and the second heat dissipation channel 7.

[0028] As an optional technical solution of the present invention, the first heat dissipation groove 8, the second heat dissipation groove 9 and the third heat dissipation groove 10 are all located inside the heat dissipation cover 11, so that gas can enter the first heat dissipation groove 8, the second heat dissipation groove 9 and the third heat dissipation groove 10.

[0029] As an optional technical solution of the utility model, the height of the high-rate power battery is less than the height of the partition 4, the third heat dissipation groove 10 is located above the high-rate power battery, the heat dissipation holes 5 correspond to the number of the high-rate power batteries, and the heat dissipation holes 5 correspond to the positions of the high-rate power batteries, and the heat dissipation operations can be performed on the two side faces and the top side of the heat dissipation holes 5.

[0030] As an optional technical solution of the present invention, the telescopic rod 15 is located inside the fixed spring 16, and the end of the fixed spring away from the cover plate 14 is fixedly connected to the fixed pressure plate 17. The protective pad 18 is made of rubber, which can stably fix and protect the high-rate power battery.

[0031] A high-rate power battery pack, the working principle is as follows:

[0032] When the high-rate power battery is working, the heat on the bottom side of the high-rate power battery will be conducted to the heat conducting plate 2, and the heat at the bottom of the high-rate power battery will be dissipated through a plurality of heat sinks 3, and the heat dissipation fan 13 will be started, and the generated airflow will enter the interior of a first heat dissipation slot 8, a second heat dissipation slot 9 and a third heat dissipation slot 10. The airflow entering the interior of a first heat dissipation slot 8 will enter the interior of the first heat dissipation channel 6, and dissipate the heat of the two symmetrical sides of the high-rate power battery through the heat dissipation holes 5, and then dissipate the heat of the two sides of the high-rate power battery to the outside through another first heat dissipation slot 8. The airflow entering the interior of a second heat dissipation slot 9 will enter the interior of the second heat dissipation channel 7, thereby dissipating the heat of the heat sink 3, and then dissipating the heat to the outside through another second heat dissipation slot 9, so that the heat dissipation effect of the heat sink is relatively good, and the airflow entering the interior of a third heat dissipation slot 10 will dissipate the top side of the high-rate power battery, and dissipate the heat to the outside through another third heat dissipation slot 10, thereby performing comprehensive heat dissipation operations on the four sides of the high-rate power battery.

[0033] In summary, the high-rate power battery pack, through the coordinated arrangement of the heat conducting plate 2, the heat sink 3, the partition 4, the heat dissipation hole 5, the first heat dissipation channel 6, the second heat dissipation channel 7, the first heat dissipation slot 8, the second heat dissipation slot 9, the third heat dissipation slot 10, the heat dissipation cover 11, the air intake shell 12 and the heat dissipation fan 13, can perform comprehensive heat dissipation operations on the high-rate power battery. When the high-rate power battery is working, the heat dissipation operation can be performed quickly, which improves the heat dissipation speed of the high-rate power battery, so that the heat dissipation effect of the high-rate power battery is relatively good. Through the coordinated arrangement of the cover plate 14, the telescopic rod 15, the fixing spring 16, the fixing pressure plate 17 and the protective pad 18, it is convenient to fix the high-rate power battery, ensure the connection stability of the high-rate power battery, and greatly avoid the shaking of the high-rate power battery caused by vibration.

Claims

1. A high-rate power battery pack, characterized in that: The invention comprises a battery box (1), wherein a heat conducting plate (2) is fixedly connected to one side of the battery box (1), a plurality of heat sinks (3) are fixedly connected to the bottom side of the heat conducting plate (2), two partitions (4) are fixedly connected to the top side of the heat conducting plate (2), a plurality of heat dissipation holes (5) are provided on one side of the two partitions (4), a plurality of high-rate power batteries are arranged between the two partitions (4), a first heat dissipation channel (6) is formed between the two partitions (4) and the battery box (1), a second heat dissipation channel (7) is formed between the bottom side of the heat conducting plate (2) and the battery box (1), two first heat dissipation grooves (8), a second heat dissipation groove (9) and a third heat dissipation groove (10) are provided on two symmetrical side surfaces of the battery box (1), a heat dissipation cover (11) is fixedly connected to one side of the battery box (1), an air intake shell (12) is fixedly connected to one end of the heat dissipation cover (11), and a heat dissipation fan (13) is fixedly installed inside the air intake shell (12).

2. A high-rate power battery pack according to claim 1, characterized in that: A cover plate (14) is provided on one side of the battery box (1), a telescopic rod (15) and a fixed spring (16) are fixedly mounted on one side of the cover plate (14), one end of the telescopic rod (15) away from the cover plate (14) is fixedly connected to a fixed pressure plate (17), and a side of the fixed pressure plate (17) away from the telescopic rod (15) is fixedly connected to a protective pad (18).

3. A high-rate power battery pack according to claim 2, characterized in that: A first dustproof net (19) is fixedly mounted on one side of the heat dissipation cover (11), and a second dustproof net (20) is fixedly mounted on the inner walls of the first heat dissipation slot (8), the second heat dissipation slot (9) and the third heat dissipation slot (10).

4. A high-rate power battery pack according to claim 3, characterized in that: The first heat dissipation groove (8) corresponds to the position of the first heat dissipation channel (6), the first heat dissipation groove (8) is connected to the first heat dissipation channel (6), and the second heat dissipation groove (9) is connected to the second heat dissipation channel (7).

5. A high-rate power battery pack according to claim 4, characterized in that: The first heat dissipation groove (8), the second heat dissipation groove (9) and the third heat dissipation groove (10) are all located inside the heat dissipation cover (11).

6. A high-rate power battery pack according to claim 5, characterized in that: The height of the high-rate power battery is less than the height of the partition (4), the third heat dissipation slot (10) is located above the high-rate power battery, the heat dissipation holes (5) correspond to the number of the high-rate power batteries, and the heat dissipation holes (5) correspond to the positions of the high-rate power batteries.

7. A high-rate power battery pack according to claim 6, characterized in that: The telescopic rod (15) is located inside the fixed spring (16); one end of the fixed spring away from the cover plate (14) is fixedly connected to the fixed pressure plate (17); and the material of the protective pad (18) is rubber.