Lithium battery shell

By installing protective devices and detection devices on the inner surface of the lithium battery case, the problem of easily depressed and damaged lithium battery case is solved, the service life and safety of the lithium battery are improved, and real-time monitoring and early warning functions are realized.

CN222463173UActive Publication Date: 2025-02-11SUZHOU SHIYUNJIA PLASTIC PROD CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420853937.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-02-11
Estimated Expiration
2034-04-24

Smart Images

  • Figure CN222463173U_ABST
    Figure CN222463173U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of battery shells, and discloses a lithium battery shell, which comprises a shell, a protection device is fixedly arranged on the inner surface of the shell, the protection device comprises an embedded bolt, a fixing piece, a fixing shaft, a bearing frame, a rhombic plate, a rubber tube and a rubber head, the inner surface of the shell is in threaded connection with the embedded bolt, and the fixing piece is fixedly arranged on the inner surface of the shell. When the device is used, the fixing pieces of the bearing frames are fixed to the inner surface of the shell through the embedded bolts by means of the arranged protection device, and the fixing shaft is fixed to the middle of the bearing frames at the two ends for supporting; the lithium battery is wrapped and protected through the bearing frame, the rhombic plate, the rubber pipe and the rubber head, the strength and toughness of the lithium battery shell are enhanced, the safety of the internal lithium battery is more perfectly protected, the situation that the lithium battery shell is easily impacted and sunken by external impact and the internal lithium battery is damaged is avoided, the storage environment of the lithium battery is optimized, and the service life of the lithium battery is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of battery shells, in particular to a lithium battery shell. Background Art

[0002] The lithium battery shell is made of aluminum alloy material and is mainly used in square lithium batteries. With the needs of practical applications, higher requirements are placed on the energy density, safety and cycle life of the battery. In addition to using high specific energy electrode materials, reducing the mass of the battery shell structure and improving its strength and heat dissipation performance is one of the important ways to improve battery performance. The lithium battery shell is designed with square corners and rounded corners. The material of the aluminum shell is generally aluminum-manganese alloy.

[0003] However, it still has some disadvantages. For example, when the lithium battery shell is in use, due to its thin and fragile thickness, when it is impacted by the outside world, it is easy to cause the lithium battery shell to dent and squeeze and damage the internal lithium battery, which shortens the service life of the lithium battery. There are certain safety hazards and it is not conducive to people's use.

[0004] In order to solve the above problems, a lithium battery shell is proposed in the present application. Utility Model Content

[0005] The purpose of the utility model is to provide a lithium battery shell to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery shell, comprising an outer shell, the inner surface of which is fixedly installed with a protective device, the protective device comprising embedded bolts, fixings, a fixed shaft, a load-bearing frame, a diamond plate, a rubber tube and a rubber head, the inner surface of the outer shell is threadedly connected with the embedded bolts, the outer wall of the embedded bolts is threadedly connected with the fixings, the upper end outer surface of the fixings is fixedly connected with the load-bearing frame, and the inner surface of one side of the load-bearing frame is fixedly installed with a diamond plate.

[0007] Preferably, a rubber head is fixedly mounted on the front end outer surface of the diamond plate, a fixed shaft is fixedly sleeved on the front end outer surface of the supporting frame, and a rubber tube is fixedly sleeved on the outer wall of the fixed shaft.

[0008] Preferably, the lower outer surface of the shell is fixedly connected to a base, the inner surface of the shell is movably connected to an embedded plate, the upper outer surface of the embedded plate is fixedly connected to a top plate, and the upper outer surface of the top plate is fixedly installed with a line interface.

[0009] Preferably, a control button is movably mounted on the outer surface of the upper end of the top plate, and a detection device is fixedly mounted on the outer surface of the upper end of the top plate.

[0010] Preferably, the detection device includes an alarm, a latch interface, a fixing ring, a sensor, an infrared camera, a battery and a mating joint; the alarm is fixedly mounted on the upper outer surface of the top plate; the lower outer surface of the alarm is fixedly connected to the latch interface; the outer wall of the latch interface is movably sleeved with a sensor; and the infrared camera is fixedly mounted on the lower outer surface of the sensor.

[0011] Preferably, a battery is movably mounted on the inner wall of the sensor, a fitting joint is fixedly connected to the outer surface of the lower end of the alarm, and a fixing ring is movably sleeved on the outer wall of the fitting joint.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a protective device, fixes the fixing parts of the load-bearing frame to the inner surface of the outer shell with embedded bolts, fixes the fixed shaft to the middle of the load-bearing frames at both ends for support, and wraps the lithium battery for protection through the load-bearing frame, diamond plate, rubber tube and rubber head, thereby enhancing the strength and toughness of the lithium battery shell, more perfectly protecting the safety of the internal lithium battery, preventing the lithium battery shell from being easily dented by external impact and damaging the internal lithium battery, thereby optimizing the storage environment of the lithium battery and increasing the service life of the lithium battery.

[0014] The utility model inserts the pin interface of the alarm into the sensor through the detection device, and fixes it to the inner wall of the fixing ring through the fitting joint to complete the fixed docking. The lithium battery in the lithium battery shell is constantly detected by the infrared camera, and the surface temperature distribution of the battery is detected by the infrared camera. The leakage of the lithium battery is detected by detecting the temperature changes in different areas of the battery surface. When leakage is detected, the alarm will flash through the sensor, so as to help people understand the use of the lithium battery at all times and improve the diversity and safety of the use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a lithium battery shell of the utility model;

[0016] Figure 2 This is an internal diagram of a lithium battery shell of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of a protective device in a lithium battery shell of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the overall structure of a detection device in a lithium battery shell.

[0019] In the figure: 1. shell; 2. base; 3. top plate; 4. line interface; 5. control button; 6. detection device; 7. embedded plate; 8. protective device; 9. embedded bolt; 10. fixing part; 11. fixed shaft; 12. load-bearing frame; 13. diamond plate; 14. rubber tube; 15. rubber head; 16. alarm; 17. latch interface; 18. fixing ring; 19. sensor; 20. infrared camera; 21. battery; 22. fitting joint. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a lithium battery shell, comprising an outer shell 1, a protective device 8 is fixedly installed on the inner surface of the outer shell 1, the protective device 8 comprises an embedded bolt 9, a fixing piece 10, a fixed shaft 11, a load-bearing frame 12, a diamond plate 13, a rubber tube 14 and a rubber head 15, the inner surface of the outer shell 1 is threadedly connected with the embedded bolt 9, the outer wall of the embedded bolt 9 is threadedly connected with the fixing piece 10, the upper end outer surface of the fixing piece 10 is fixedly connected with the load-bearing frame 12, a diamond plate 13 is fixedly installed on the inner surface of one side of the load-bearing frame 12, a rubber head 15 is fixedly installed on the front end outer surface of the diamond plate 13, a fixed shaft 11 is fixedly sleeved on the front end outer surface of the load-bearing frame 12, and a rubber tube 14 is fixedly sleeved on the outer wall of the fixed shaft 11, the load-bearing frame 12 and the rubber tube 14 can wrap the lithium battery to prevent the impact force from all around from damaging the internal lithium battery.

[0022] In this embodiment, Figure 1-2 As shown, the lower outer surface of the shell 1 is fixedly connected to the base 2, the inner surface of the shell 1 is movably connected to the embedded plate 7, the upper outer surface of the embedded plate 7 is fixedly connected to the top plate 3, the upper outer surface of the top plate 3 is fixedly installed with a line interface 4, the upper outer surface of the top plate 3 is movably installed with a control button 5, the upper outer surface of the top plate 3 is fixedly installed with a detection device 6, the line interface 4 can be connected to a lithium battery to assist the lithium battery in power transmission, which is convenient for people to use.

[0023] In this embodiment, Figure 4As shown, the detection device 6 includes an alarm 16, a latch interface 17, a fixing ring 18, a sensor 19, an infrared camera 20, a battery 21 and a mating joint 22. The alarm 16 is fixedly mounted on the outer surface of the upper end of the top plate 3, the latch interface 17 is fixedly connected to the outer surface of the lower end of the alarm 16, the sensor 19 is movably sleeved on the outer wall of the latch interface 17, the infrared camera 20 is fixedly mounted on the outer surface of the lower end of the sensor 19, the battery 21 is movably mounted on the inner wall of the sensor 19, the mating joint 22 is fixedly connected to the outer surface of the lower end of the alarm 16, the fixing ring 18 is movably sleeved on the outer wall of the mating joint 22, and the infrared camera 20 can detect the surface temperature distribution of the lithium battery, so that people can always know whether the lithium battery is leaking.

[0024] Working principle:

[0025] Before using a lithium battery shell, the staff first places the base 2 at the lower end of the shell 1 on the ground steadily, opens the embedded plate 7 at the lower end of the top plate 3, inserts the lithium battery and then inserts the embedded plate 7 into the shell 1 to seal it, starts the lithium battery through the control button 5 to start running, uses the line interface 4 to transmit power, and uses the protective device 8 to fix the fixing part 10 of the supporting frame 12 to the inner surface of the shell 1 with the embedded bolt 9, fixes the fixed shaft 11 to the middle of the supporting frames 12 at both ends for support, and wraps the lithium battery for protection through the supporting frame 12, the diamond plate 13, the rubber tube 14 and the rubber head 15, thereby enhancing the strength and toughness of the lithium battery shell and more perfectly protecting the safety of the internal lithium battery. , preventing external impact from easily denting the lithium battery shell and damaging the internal lithium battery, optimizing the storage environment of the lithium battery and increasing the service life of the lithium battery. Through the detection device 6, the pin interface 17 of the alarm 16 is inserted into the sensor 19, and the fitting joint 22 is fixed to the inner wall of the fixing ring 18 to complete the fixed docking. The lithium battery in the lithium battery shell is constantly detected by the infrared camera 20, and the surface temperature distribution of the battery is detected by the infrared camera 20. The temperature changes in different areas of the battery surface are used to detect the leakage of the lithium battery. When leakage is detected, the alarm 16 will flash through the sensor 19, helping people to always understand the use of the lithium battery and improve the diversity and safety of equipment use.

[0026] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A lithium battery shell, comprising a shell (1), characterized in that: A protective device (8) is fixedly installed on the inner surface of the shell (1), and the protective device (8) includes an embedded bolt (9), a fixing piece (10), a fixing shaft (11), a load-bearing frame (12), a diamond plate (13), a rubber tube (14) and a rubber head (15). The inner surface of the shell (1) is threadedly connected with the embedded bolt (9), the outer wall of the embedded bolt (9) is threadedly connected with the fixing piece (10), the upper end outer surface of the fixing piece (10) is fixedly connected with the load-bearing frame (12), and the inner surface of one side of the load-bearing frame (12) is fixedly installed with the diamond plate (13).

2. A lithium battery shell according to claim 1, characterized in that: A rubber head (15) is fixedly mounted on the front outer surface of the diamond plate (13), a fixed shaft (11) is fixedly sleeved on the front outer surface of the supporting frame (12), and a rubber tube (14) is fixedly sleeved on the outer wall of the fixed shaft (11).

3. A lithium battery shell according to claim 1, characterized in that: The lower outer surface of the shell (1) is fixedly connected to a base (2), the inner surface of the shell (1) is movably connected to an embedded plate (7), the upper outer surface of the embedded plate (7) is fixedly connected to a top plate (3), and the upper outer surface of the top plate (3) is fixedly mounted with a line interface (4).

4. A lithium battery shell according to claim 3, characterized in that: A control button (5) is movably mounted on the outer surface of the upper end of the top plate (3), and a detection device (6) is fixedly mounted on the outer surface of the upper end of the top plate (3).

5. A lithium battery shell according to claim 4, characterized in that: The detection device (6) comprises an alarm (16), a latch interface (17), a fixing ring (18), a sensor (19), an infrared camera (20), a battery (21) and a mating joint (22); the alarm (16) is fixedly mounted on the outer surface of the upper end of the top plate (3); the latch interface (17) is fixedly connected to the outer surface of the lower end of the alarm (16); the sensor (19) is movably sleeved on the outer wall of the latch interface (17); and the infrared camera (20) is fixedly mounted on the outer surface of the lower end of the sensor (19).

6. A lithium battery shell according to claim 5, characterized in that: A storage battery (21) is movably mounted on the inner wall of the sensor (19), a fitting joint (22) is fixedly connected to the outer surface of the lower end of the alarm (16), and a fixing ring (18) is movably sleeved on the outer wall of the fitting joint (22).