Energy storage lithium ion battery with anti-extrusion structure

Abstract

The utility model discloses an energy storage lithium ion battery with an anti-extrusion structure, which comprises an outer shell, a bottom shell, an electric control box and protection plates, a bottom rubber plate is fixed at the bottom inside the bottom shell, the outer shell is arranged at the top of the bottom shell, two groups of protection plates are fixed at the top of the bottom rubber plate, and a plurality of groups of heat-conducting fins are arranged on the side surfaces and the top of the protection plates. A lithium battery cell is placed in the protection plate, a plurality of groups of supporting columns are arranged on the bottom rubber plate, a top rubber plate is fixed at the tops of the supporting columns, and the top rubber plate is arranged at the top in the shell. The bottom rubber plate is arranged at the top of the bottom shell, the supporting columns are installed on the bottom rubber plate, the top rubber plate is further arranged in the shell, and the lithium battery cell is installed in the protection plate, so that the battery is protected, and the compression resistance of the battery is improved through the two-layer protection effect.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to an energy storage lithium ion battery with an anti-extrusion structure. Background Art

[0002] Lithium-ion battery is a secondary battery (rechargeable battery) that mainly relies on the movement of lithium ions between the positive electrode and the negative electrode to work. During the charge and discharge process, Li+ is intercalated and deintercalated between the two electrodes: when charging, Li+ is deintercalated from the positive electrode and intercalated into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.

[0003] The cells inside existing lithium batteries are generally placed in a casing, and the casing is not strong enough. When the battery is squeezed, it is easy to be damaged, affecting the battery's function as a device. Utility Model Content

[0004] The utility model aims to provide an energy storage lithium-ion battery with an anti-extrusion structure to solve the problem in the above-mentioned background technology that the battery cells inside the existing lithium battery are generally placed in a shell, and the shell is not strong enough, and the battery is easily damaged after being squeezed, which affects the function of the battery as a device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium-ion energy storage battery with an anti-extrusion structure, comprising an outer shell, a bottom shell, an electric control box and a protective plate, a bottom rubber plate is fixed to the bottom of the bottom shell, an outer shell is arranged on the top of the bottom shell, two groups of protective plates are fixed on the top of the bottom rubber plate, a plurality of groups of heat conducting sheets are arranged on the sides and the top of the protective plate, a lithium battery cell is placed inside the protective plate, a plurality of groups of support columns are arranged on the bottom rubber plate, a top rubber plate is fixed on the top of the support columns, and the top rubber plate is arranged to the top of the inner part of the outer shell.

[0006] Preferably, through grooves are provided on both sides of the outer shell, and a plurality of groups of through grooves are provided on the outer shell.

[0007] Preferably, threaded holes are provided on the sides of the outer shell and the bottom shell, and fixing bolts are screwed onto the threaded holes, and the fixing bolts fix the outer shell and the bottom shell.

[0008] Preferably, a first heat dissipation fan is arranged outside the protective plate, and a second heat dissipation fan is fixed to the other side of the outside of the protective plate.

[0009] Preferably, an electric control box is fixed to one side of the top of the housing, a plurality of groups of cable connectors are installed on the side of the electric control box, and a top cover is fixed to the top of the electric control box.

[0010] Preferably, a plurality of groups of control buttons are arranged on the top of the top cover, and a groove is opened on the top cover.

[0011] Preferably, a circuit board is fixed in the electric control box, a display screen, a current detection module, a voltage detection module, a temperature detection module, an overload protection module and a control module are welded on the circuit board, and the display screen, current detection module, voltage detection module, temperature detection module, overload protection module and control module are interconnected by wires.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the energy storage lithium-ion battery with an anti-extrusion structure has a reasonable structure and has the following advantages:

[0013] (1) By providing a bottom rubber plate, a top rubber plate, a support column and a protective plate, the battery has good pressure resistance and is protected from damage. Therefore, when in use, a bottom rubber plate is placed on the top of the bottom shell, and the bottom rubber plate is installed with a support column, and a top rubber plate is also provided inside the shell, and the lithium battery cell is installed in the protective plate, so that the battery is protected. The two layers of protection increase the pressure resistance of the battery.

[0014] (2) A heat conducting sheet is arranged on the outside of the protective plate. A plurality of heat conducting sheets are arranged on the protective plate. The heat conducting sheets increase the contact area with the internal air. The heat of the battery is introduced into the heat conducting sheets. Then, through the action of the second heat dissipation fan, the second heat dissipation fan dissipates the heat from the through slot to the outside, thereby preventing the battery from being damaged by overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the exploded three-dimensional structure of the utility model when viewed from above;

[0018] Figure 4 It is an isometric structural schematic diagram of the utility model;

[0019] Figure 5 It is a side structural schematic diagram of the utility model.

[0020] In the figure: 1. outer shell; 2. through slot; 3. fixing bolt; 4. bottom shell; 5. cable connector; 6. electric control box; 7. top cover; 8. control button; 9. groove; 10. display screen; 11. first cooling fan; 12. threaded hole; 13. bottom rubber plate; 14. support column; 15. second cooling fan; 16. lithium battery cell; 17. top rubber plate; 18. circuit board; 19. current detection module; 20. voltage detection module; 21. temperature detection module; 22. overload protection module; 23. protective plate; 24. heat conductive sheet; 25. control module. DETAILED DESCRIPTION

[0021] The technical solutions 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. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: an energy storage lithium-ion battery with an anti-extrusion structure, comprising a shell 1, a bottom shell 4, an electric control box 6 and a protective plate 23, a bottom rubber plate 13 is fixed to the bottom of the bottom shell 4, a shell 1 is arranged on the top of the bottom shell 4, two groups of protective plates 23 are fixed on the top of the bottom rubber plate 13, a plurality of groups of heat conducting sheets 24 are arranged on the side and top of the protective plate 23, a lithium battery cell 16 is placed inside the protective plate 23, a plurality of groups of support columns 14 are arranged on the bottom rubber plate 13, a top rubber plate 17 is fixed on the top of the support column 14, and the top rubber plate 17 is arranged to the top of the inside of the shell 1;

[0023] By placing a bottom rubber plate 13 on the top of the bottom shell 4, and the bottom rubber plate 13 is installed with a support column 14, and a top rubber plate 17 is also arranged inside the shell 1, and the lithium battery cell 16 is installed in the protective plate 23, the battery is protected, and the pressure resistance of the battery is increased through the two-layer protection effect;

[0024] Through grooves 2 are provided on both sides of the outer shell 1, and a plurality of through grooves 2 are provided on the outer shell 1. Threaded holes 12 are provided on the sides of the outer shell 1 and the bottom shell 4, and fixing bolts 3 are screwed on the threaded holes 12. The fixing bolts 3 fix the outer shell 1 and the bottom shell 4.

[0025] A first cooling fan 11 is arranged outside the protective plate 23, a second cooling fan 15 is fixed to the other side of the outside of the protective plate 23, an electric control box 6 is fixed to one side of the top of the outer shell 1, several groups of cable connectors 5 are installed on the side of the electric control box 6, and a top cover 7 is fixed to the top of the electric control box 6.

[0026] A plurality of control buttons 8 are arranged on the top of the top cover 7, a groove 9 is provided on the top cover 7, a circuit board 18 is fixed in the electric control box 6, a display screen 10, a current detection module 19, a voltage detection module 20, a temperature detection module 21, an overload protection module 22 and a control module 25 are welded on the circuit board 18, and the display screen 10, the current detection module 19, the voltage detection module 20, the temperature detection module 21, the overload protection module 22 and the control module 25 are connected to each other through wires;

[0027] The heat of the battery is introduced into the heat conductive sheet 24 by increasing the contact area with the internal air, and then the heat is dissipated from the through slot 2 to the outside by the second heat dissipating fan 15 to avoid overheating and damage of the battery.

[0028] When the embodiment of the present application is in use, the battery cells are protected by installing the battery cells in the protective plate 23, and a bottom rubber plate 13 is placed on the top of the bottom shell 4, and the bottom rubber plate 13 is installed with a support column 14, and a top rubber plate 17 is also provided inside the shell 1, and the lithium battery cells 16 are installed in the protective plate 23, so as to protect the battery. Through the two-layer protection effect, the pressure resistance of the battery is increased, and a heat conductive sheet 24 is provided on the outside of the protective plate 23. The heat conductive sheet 24 is provided in several groups on the protective plate 23, and the contact area with the internal air is increased by the heat conductive sheet 24. The heat of the battery is introduced into the heat conductive sheet 24, and then through the action of the second heat dissipation fan 15, the second heat dissipation fan 15 dissipates the heat from the through slot 2 to the outside to prevent the battery from being damaged by overheating, and the current after the battery is charged and discharged is detected by the current detection module 19, and the voltage after the voltage is charged and discharged is detected by the voltage detection module 20. The overload protection module 22 prevents the voltage or current from being damaged by excessive voltage or current, and the cable connector 5 is connected to the wire, and the operation of the battery is controlled by the control button 8.

[0029] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. An energy storage lithium-ion battery with an anti-extrusion structure, characterized in that: The invention comprises an outer shell (1), a bottom shell (4), an electric control box (6) and a protective plate (23); a bottom rubber plate (13) is fixed to the bottom of the bottom shell (4); the top of the bottom shell (4) is provided with an outer shell (1); two groups of protective plates (23) are fixed to the top of the bottom rubber plate (13); a plurality of groups of heat conducting sheets (24) are provided on the sides and the top of the protective plates (23); a lithium battery cell (16) is placed inside the protective plates (23); a plurality of groups of support columns (14) are provided on the bottom rubber plate (13); a top rubber plate (17) is fixed to the top of the support columns (14); and the top rubber plate (17) is provided to the top of the inner part of the outer shell (1).

2. The energy storage lithium-ion battery with an anti-extrusion structure according to claim 1, characterized in that: Through slots (2) are provided on both sides of the exterior of the shell (1), and a plurality of groups of through slots (2) are provided on the exterior of the shell (1).

3. The energy storage lithium-ion battery with an anti-extrusion structure according to claim 1, characterized in that: The sides of the outer shell (1) and the bottom shell (4) are provided with threaded holes (12), and fixing bolts (3) are screwed onto the threaded holes (12), and the fixing bolts (3) fix the outer shell (1) and the bottom shell (4).

4. The energy storage lithium-ion battery with an anti-extrusion structure according to claim 1, characterized in that: A first heat dissipation fan (11) is arranged outside the protective plate (23), and a second heat dissipation fan (15) is fixed to the other side of the outside of the protective plate (23).

5. The energy storage lithium-ion battery with an anti-extrusion structure according to claim 1, characterized in that: An electric control box (6) is fixed to one side of the top of the housing (1), a plurality of groups of cable connectors (5) are installed on the side of the electric control box (6), and a top cover (7) is fixed to the top of the electric control box (6).

6. The energy storage lithium-ion battery with an anti-extrusion structure according to claim 5, characterized in that: A plurality of control buttons (8) are arranged on the top of the top cover (7), and a groove (9) is provided on the top cover (7).

7. The energy storage lithium-ion battery with an anti-extrusion structure according to claim 1, characterized in that: A circuit board (18) is fixed in the electric control box (6); a display screen (10), a current detection module (19), a voltage detection module (20), a temperature detection module (21), an overload protection module (22) and a control module (25) are welded on the circuit board (18); and the display screen (10), the current detection module (19), the voltage detection module (20), the temperature detection module (21), the overload protection module (22) and the control module (25) are interconnected via wires.

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