Lithium battery heating test device

By designing a lithium battery heating test device that includes a thermal cycle, a rotating plate, and a heating mechanism, the problems of waste heat and uneven heating are solved, achieving efficient energy utilization and uniform battery heating.

CN224152617UActive Publication Date: 2026-04-21KUNSHAN TDTECH ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN TDTECH ELECTRONIC TECH CO LTD
Filing Date
2025-01-16
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing lithium battery heating test devices cannot recycle waste heat, resulting in energy waste, and the batteries are prone to uneven heating during the testing process.

Method used

A lithium battery heating test device was designed, comprising a test chamber, a thermal circulation mechanism, a rotating plate, and a heating mechanism. The thermal circulation mechanism utilizes the waste heat of the exhaust gas, combined with the rotation function of the rotating plate, to achieve uniform heating of the battery. The heating mechanism also improves the air heating efficiency and the filtration effect of the filtration mechanism.

Benefits of technology

It enables the recycling of waste heat, reduces resource waste, and ensures that the battery is heated evenly during the testing process, thereby improving heating efficiency and air filtration effect and preventing heat leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium battery heating test device. The lithium battery heating test device comprises a detection device, the detection device is composed of a detection box base and a thermal circulation mechanism, the base is installed below the detection box, the thermal circulation mechanism is installed on one side of the detection box, a rotating plate is installed in the detection box, a bottom end shaft of the rotating plate is installed on the upper side of a transmission, the transmission is installed in the base, and the transmission is installed in the base. A motor is installed at the bottom end of the transmission, and the circulating mechanism is composed of a shell, a filtering mechanism, a heating mechanism and an air pump. In the detection process, the motor drives the rotating plate to rotate through the transmission, so that a battery can be driven to rotate, the battery can be conveniently and uniformly heated, the battery is prevented from being heated in the detection process, meanwhile, the heat circulation mechanism can utilize waste heat in tail gas when used, and waste of resources is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of lithium battery testing technology, specifically a lithium battery heating test device. Background Technology

[0002] A lithium battery is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. It differs from rechargeable lithium-ion batteries and lithium-ion polymer batteries. Lithium batteries require heating tests during manufacturing, which necessitates the use of heating testing equipment.

[0003] Chinese Patent No. CN202323392979.5 discloses a lithium battery heating test device, including a placement box. A side viewing box is fixedly connected to the bottom of the placement box. Heating plates are fixedly connected to both sides of the side viewing box. Placement racks are engaged with the upper ends of both sides of the placement box through a limiting structure. A drive motor is fixedly connected to the middle position of the top of the heat dissipation structure.

[0004] Existing technologies cannot recycle waste heat during use, resulting in energy waste. Furthermore, the fixed battery setting during testing can easily lead to uneven heating. Utility Model Content

[0005] The purpose of this invention is to provide a lithium battery heating test device to solve the problems raised in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lithium battery heating test device, comprising a testing device; the testing device consists of a testing chamber base and a thermal circulation mechanism, the base being installed below the testing chamber, the thermal circulation mechanism being installed on one side of the testing chamber, a chamber door being rotatably installed on the outside of the testing chamber, a rotating plate being installed inside the testing chamber, the bottom shaft of the rotating plate being installed on the upper side of a transmission, the transmission being installed inside the base, and a motor being installed at the bottom of the transmission; the circulation mechanism consists of a housing, a filtering mechanism, a heating mechanism, and an air pump, the housing being installed on one side of the testing chamber, the filtering mechanism, the heating mechanism, and the air pump being installed inside the housing, the filtering mechanism, the heating mechanism, and the air pump being connected by conduits, the air pump being connected to the upper side of the testing chamber through conduits, the bottom end of the filtering mechanism being connected to the lower part of the testing chamber through conduits, and a control board being installed on the outside of the housing.

[0007] Preferably, the filtration mechanism consists of a filter box and partitions, with the filter box installed inside the outer casing and the partitions spaced apart on both sides inside the filter box.

[0008] Preferably, the heating mechanism consists of a heating tube, a heat-conducting plate, and a heating box. The heating box is installed inside the outer shell, the heating tube is installed inside the heating box, and the heat-conducting plate is welded to the upper side of the heating tube.

[0009] Preferably, a heat insulation plate is provided inside the testing box, and a uniform air distribution plate is installed at the upper part of the inside of the testing box.

[0010] Preferably, a door lock is installed in the middle of one side of the cabinet door, and a handle is installed on one side of the cabinet door below the door lock.

[0011] Preferably, an observation window is installed in the middle of the door, the observation window is made of explosion-proof glass, and a heat insulation film is attached to the outside of the observation window.

[0012] Preferably, a display is mounted on the upper side of the control panel, and control buttons are mounted on the upper side of the control panel below the display.

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

[0014] 1. During the testing process, the electric motor drives the rotating plate to rotate through the gearbox, which in turn drives the battery to rotate, making it easier for the battery to be heated evenly and avoiding overheating of the battery during the testing process. At the same time, the thermal circulation mechanism can utilize the residual heat in the exhaust gas during use, reducing the waste of resources.

[0015] 2. When in use, the heating mechanism installs the heating tubes through the heating box, and heats the air inside the heating box through the heating tubes. The heat-conducting plate is set to increase the contact area between the heat source and the air, thereby improving the heating effect on the air.

[0016] 3. When in use, the filtration mechanism filters dust and moisture in the air through the filter media inside the filter box. The baffle is designed to increase the contact time between the air and the filter media, thereby improving the filtration effect.

[0017] 4. The heat insulation plate is designed to increase the heat insulation effect of the test chamber and prevent heat leakage during use. The air distribution plate facilitates the even distribution of hot air into the test chamber. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the detection box structure of this utility model;

[0021] Figure 3 This is a side view of the detection box of this utility model.

[0022] Figure 4 This is a schematic diagram of the thermal circulation mechanism of this utility model.

[0023] In the diagram: 1. Detection device; 2. Detection box; 3. Box door; 4. Heat circulation mechanism; 5. Control panel; 6. Display; 7. Control buttons; 8. Door lock; 9. Handle; 10. Heat insulation film; 11. Observation window; 12. Rotating plate; 13. Base; 14. Air distribution plate; 15. Heat insulation plate; 16. Gearbox; 17. Electric motor; 18. Conduit; 19. Air pump; 20. Heating mechanism; 21. Outer shell; 22. Filtering mechanism; 23. Filter box; 24. Partition; 25. Heating box; 26. Heat conduction plate; 27. Heating tube. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 In this embodiment of the present invention, a lithium battery heating test device includes a testing device 1. The testing device 1 consists of a testing chamber 2, a base 13, and a thermal circulation mechanism 4. The base 13 is installed below the testing chamber 2, and the thermal circulation mechanism 4 is installed on one side of the testing chamber 2. A door 3 is rotatably installed on the outside of the testing chamber 2. A rotating plate 12 is installed inside the testing chamber 2. The bottom shaft of the rotating plate 12 is installed on the upper side of a gearbox 16. The gearbox 16 is installed inside the base 13. A motor 17 is installed at the bottom of the gearbox 16. The circulation mechanism consists of a housing 21, a filtering mechanism 22, a heating mechanism 20, and an air pump 19. The housing 21 is installed on one side of the testing chamber 2. The filtering mechanism 22, the heating mechanism 20, and the air pump 19 are installed inside the housing 21. The filtering mechanism 22, the heating mechanism 20, and the air pump 19 are connected by a conduit 18. The air pump 19 is connected to the upper side of the testing chamber 2 through the conduit 18. The bottom end of the filtering mechanism 22 is connected to the lower part of the testing chamber 2 through the conduit 18. A control plate 5 is installed on the outside of the housing 21.

[0026] A heat insulation plate 15 is installed inside the testing chamber 2. A uniform air distribution plate 14 is installed at the upper part of the testing chamber 2. The heat insulation plate 15 is used to increase the heat insulation effect of the testing chamber 2 and prevent heat leakage during use. The uniform air distribution plate 14 facilitates the even distribution of hot air into the testing chamber 2. A door lock 8 is installed in the middle of one side of the door 3. A handle 9 is installed below the door lock 8 on the same side of the door 3. The door lock 8 is used to lock the door 3 and the testing chamber 2. The handle 9 is convenient for operators to hold. An observation window 11 is installed in the middle of the door 3. The observation window 11 is made of explosion-proof glass and has a heat insulation film 10 attached to its outside. The observation window 11 allows for observation of the interior of the testing chamber 2 through the door 3. The heat insulation film 10 is used to increase the heat insulation effect of the observation window 11. A display 6 is installed on the upper side of the control panel 5. Control buttons 7 are installed on the upper side of the control panel 5 below the display 6. The display 6 is used to display the control content of the control panel 5, and the control buttons 7 are used to control the control panel 5.

[0027] The filter mechanism 22 consists of a filter box 23 and a partition 24. The filter box 23 is installed inside the housing 21, and the partition 24 is installed at intervals on both sides inside the filter box 23. When in use, the filter mechanism 22 filters dust and moisture in the air through the filter material inside the filter box 23. The partition 24 is designed to increase the contact time between the air and the filter material, thereby improving the air filtration effect.

[0028] The heating mechanism 20 consists of a heating tube 27, a heat-conducting plate 26, and a heating box 25. The heating box 25 is installed inside the outer shell 21, the heating tube 27 is installed inside the heating box 25, and the heat-conducting plate 26 is welded to the upper side of the heating tube 27. When in use, the heating mechanism 20 installs the heating tube 27 through the heating box 25, and heats the air inside the heating box 25 through the heating tube 27. The heat-conducting plate 26 is set to increase the contact area between the heat source and the air, thereby improving the heating effect on the air.

[0029] The working principle and usage process of this utility model are as follows: First, the heat circulation mechanism 4 is activated to preheat the inside of the testing chamber 2. During operation, the heat circulation mechanism 4 uses an air pump 19 to circulate air. During this circulation, the air is filtered by a filter mechanism 22. The filtered air is then guided through a conduit 18 to the heating mechanism 20 for heating. The heated air is then guided through the conduit 18 back into the testing chamber 2. Once the temperature reaches a certain value, the battery to be tested is placed on the rotating plate 12. The chamber door 3 is then closed, allowing for high-temperature testing of the battery. During testing, the motor 17 drives the rotating plate 12 to rotate via a gearbox 16, thereby rotating the battery and ensuring even heating. This prevents the battery from overheating during testing. Simultaneously, the heat circulation mechanism 4 utilizes residual heat from the exhaust gas, reducing resource waste.

[0030] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A lithium battery heating test device, comprising a detection device (1); characterized in that: The detection device (1) consists of a detection box (2), a base (13), and a thermal circulation mechanism (4). The base (13) is installed below the detection box (2), and the thermal circulation mechanism (4) is installed on one side of the detection box (2). A door (3) is rotatably installed on the outside of the detection box (2). A rotating plate (12) is installed inside the detection box (2). The bottom shaft of the rotating plate (12) is installed on the upper side of a gearbox (16). The gearbox (16) is installed inside the base (13). A motor (17) is installed at the bottom of the gearbox (16). The circulation mechanism consists of a shell (21), a filter, and a filter. The device consists of a filter mechanism (22), a heating mechanism (20), and an air pump (19). The outer shell (21) is installed on one side of the test box (2). The filter mechanism (22), the heating mechanism (20), and the air pump (19) are installed inside the outer shell (21). The filter mechanism (22), the heating mechanism (20), and the air pump (19) are connected by a conduit (18). The air pump (19) is connected to the upper side of the test box (2) through the conduit (18). The bottom end of the filter mechanism (22) is connected to the lower part of the test box (2) through the conduit (18). A control board (5) is installed on the outside of the outer shell (21).

2. The lithium battery heating test device of claim 1, wherein: The filtration mechanism (22) consists of a filter box (23) and a partition (24). The filter box (23) is installed inside the outer shell (21), and the partition (24) is installed at intervals on both sides inside the filter box (23).

3. The lithium battery heating test device of claim 1, wherein: The heating mechanism (20) consists of a heating tube (27), a heat-conducting plate (26), and a heating box (25). The heating box (25) is installed inside the outer shell (21), the heating tube (27) is installed inside the heating box (25), and the heat-conducting plate (26) is welded to the upper side of the heating tube (27).

4. The lithium battery heating test device of claim 1, wherein: A heat insulation plate (15) is provided inside the test box (2). The heat insulation plate (15) is installed inside the test box (2). A uniform air distribution plate (14) is installed at the upper part of the inside of the test box (2).

5. The lithium battery heating test device of claim 1, wherein: A door lock (8) is installed in the middle of one side of the box door (3), and a handle (9) is installed on one side of the box door (3) below the door lock (8).

6. The lithium battery heating test device of claim 1, wherein: An observation window (11) is installed in the middle of the door (3). The observation window (11) is made of explosion-proof glass and a heat insulation film (10) is attached to the outside of the observation window (11).

7. The lithium battery heating test device of claim 1, wherein: A display (6) is installed on the upper side of the control board (5), and control buttons (7) are installed on the upper side of the control board (5) below the display (6).

Citation Information

Patent Citations

  • Lithium battery heating test device

    CN221782416U