Cylindrical battery cell heat management structure

Abstract

The utility model discloses a heat management structure of a cylindrical battery cell, which relates to the technical field of cylindrical battery cells, and comprises a mounting plate, a base is arranged on the mounting plate, a mounting groove is formed in the base, a first circular through hole is formed in one side of the mounting groove, a rotating shaft is arranged in the first circular through hole, and the rotating shaft is arranged in the mounting groove. A gear is arranged at one end of the rotating shaft, a rotating handle is arranged at the other end of the rotating shaft, two sets of connecting plates are arranged in the mounting groove, a plurality of teeth are arranged on one side of each connecting plate, the gear is meshed with the teeth, a moving block is arranged at one end of each connecting plate, and two sets of first through grooves are formed in the bottom of the mounting groove; a moving groove is formed in one side of the mounting plate, and a first clamping groove is formed in one side of the moving groove. According to the cylindrical battery cell heat management structure, the fins of the heat dissipation device are convenient to disassemble and assemble, the battery cell is convenient to maintain and replace, and the maintainability of the battery cell is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylindrical battery cores, and in particular to a thermal management structure of a cylindrical battery core. Background Art

[0002] Cylindrical cells are a common battery structure, usually consisting of a central electrode and multiple ring electrodes surrounding it. This type of cell is usually used in lithium-ion batteries, nickel-metal hydride batteries, etc. Their appearance looks like a cylinder, hence the name cylindrical cell. Cylindrical cells have high energy density and long service life, and are widely used in mobile power supplies, electric vehicles, smart homes and other fields.

[0003] Existing battery cells generate serious heat during long-term operation, so the battery cells are mostly cooled by heat dissipation fins. By increasing the surface area, the heat conduction and dissipation are promoted, and the battery cell temperature is effectively reduced. Therefore, it is necessary to propose a new solution.

[0004] Existing cylindrical battery cells use heat sink fins for heat dissipation, and most of them are fixed to the equipment by welding. When the heat sink fins are damaged and need to be replaced, the entire equipment needs to be replaced, resulting in material waste. Therefore, we propose a thermal management structure for cylindrical battery cells. Utility Model Content

[0005] The main purpose of the utility model is to provide a cylindrical battery core thermal management structure, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a cylindrical battery core thermal management structure, including a mounting plate, a base is provided on the mounting plate, a mounting groove is provided on the base, a first circular through hole is provided on one side of the mounting groove, a rotating shaft is provided in the first circular through hole, a gear is provided at one end of the rotating shaft, a handle is provided at the other end of the rotating shaft, two groups of connecting plates are provided in the mounting groove, a plurality of teeth are provided on one side of the connecting plate, the gear is meshed with the plurality of teeth, a moving block is provided at one end of the connecting plate, two groups of first through grooves are provided at the bottom of the mounting groove, a moving groove is provided on one side of the mounting plate, a first clamping slot is provided on one side of the moving groove, a first clamping block is provided in the first clamping slot, and one end of the first clamping block is connected to one side of the moving block.

[0007] Preferably, two groups of mounting columns are provided on the top of the base, a plurality of heat dissipation fins are provided on the mounting columns, a top plate is provided on the top of the mounting columns, a heat conduction plate is provided on one side of the heat dissipation fins, a cylindrical battery cell is provided on one side of the heat conduction plate, and a substrate is provided at the bottom of the cylindrical battery cell.

[0008] Preferably, a fixing groove is provided on the base plate, a fixing block is provided in the fixing groove, one end of the fixing block is fixedly connected to one side of the mounting plate, a movable groove is provided on one side of the fixing block, and a movable block is provided in the movable groove.

[0009] Preferably, a second through slot is provided on one side of the movable slot, a second through slot is provided with a second clamping block, one end of the second clamping block is connected to one side of the movable block, a second clamping slot is provided on one side of the fixed slot, and one end of the second clamping block extends into the second clamping slot.

[0010] Preferably, a second circular through hole is formed on the movable block, a limiting column is provided in the second circular through hole, and two ends of the limiting column are connected to two sides of the movable groove.

[0011] Preferably, a spring is sleeved on the limiting column, one end of the spring is connected to one side of the movable block, and the other end of the spring is connected to one side of the movable groove.

[0012] Preferably, a positive electrode is provided at one end of the cylindrical battery cell, a negative electrode is provided at one side of the cylindrical battery cell, a conductive plate is provided at one side of the positive electrode, and one side of the conductive plate is connected to the negative electrode.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, when the fins of the heat dissipation device need to be removed, the rotating shaft is driven to rotate by the turning handle, the rotating shaft drives the gear to rotate, the gear drives the connecting plate to move through a plurality of teeth, the connecting plate drives the moving block to move in the moving groove, the moving block drives the first clamping block to move, the first clamping block is fixed in the first clamping groove, and a guide block is installed on one side of the moving block to fix the base on the mounting plate, thereby facilitating the disassembly and assembly of the fins of the heat dissipation device, facilitating the repair and replacement of the battery cell, and improving the maintainability of the battery cell.

[0015] In the utility model, the spring squeezes the movable block to make the movable block move in the movable groove, and at the same time the movable block slides on the limiting column through the second circular through hole, and the movable block presses the second clamping block in the second clamping groove, and at the same time the limiting column prevents the spring and the movable block from shifting, thereby effectively fixing the fixed block in the fixed groove, so that the mounting plate can be fixed on the base plate, so that the position of the base can be fixed, which is convenient for staff to disassemble and assemble, and increases the convenience of equipment installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a cylindrical battery core thermal management structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a base and other components of a cylindrical battery core thermal management structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A schematic cross-sectional structure diagram of;

[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 5 For this utility model Figure 2 A schematic cross-sectional structure diagram of;

[0021] Figure 6 For this utility model Figure 4 Schematic diagram of the local enlarged structure at point B in the middle.

[0022] In the figure: 1. substrate; 2. cylindrical battery cell; 3. mounting plate; 4. base; 5. mounting slot; 6. connecting plate; 7. teeth; 8. gear; 9. rotating shaft; 10. turning handle; 11. moving slot; 12. moving block; 13. first clamping slot; 14. first clamping block; 15. mounting column; 16. cooling fin; 17. heat conducting plate; 18. top plate; 19. fixed slot; 20. fixed block; 21. movable slot; 22. movable block; 23. spring; 24. second clamping slot; 25. second clamping block; 26. limiting column; 27. conductive plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Specific examples are given below.

[0025] Please refer to Figure 1-6As shown, a cylindrical battery core thermal management structure of the utility model comprises a mounting plate 3, a base 4 is provided on the mounting plate 3, a mounting groove 5 is provided on the base 4, a first circular through hole is provided on one side of the mounting groove 5, a rotating shaft 9 is provided in the first circular through hole, a gear 8 is provided at one end of the rotating shaft 9, a turning handle 10 is provided at the other end of the rotating shaft 9, two groups of connecting plates 6 are provided in the mounting groove 5, a plurality of teeth 7 are provided on one side of the connecting plate 6, the gear 8 is meshed with the plurality of teeth 7, a moving block 12 is provided at one end of the connecting plate 6, two groups of first through grooves are provided at the bottom of the mounting groove 5, a moving groove 11 is provided on one side of the mounting plate 3, a first card slot 13 is provided on one side of the moving groove 11, a first card block 14 is provided in the first card slot 13, and the first card block 14 is provided in the first card slot 13. One end of a clamping block 14 is connected to one side of the moving block 12. During operation, when the fins of the heat sink need to be removed, the rotating shaft 9 is driven to rotate by the turning handle 10, and the rotating shaft 9 drives the gear 8 to rotate. The gear 8 drives the connecting plate 6 to move through a plurality of teeth 7, and the connecting plate 6 drives the moving block 12 to move in the moving groove 11. The moving block 12 drives the first clamping block 14 to move, and fixes the first clamping block 14 in the first clamping groove 13. At the same time, a guide block is installed on one side of the moving block 12 to fix the base 4 on the mounting plate 3, so as to facilitate the disassembly and assembly of the fins of the heat sink, facilitate the maintenance and replacement of the battery cell, improve the maintainability of the battery cell, and at the same time, different types or specifications of heat sink fins can be replaced to meet different heat dissipation requirements, thereby improving the flexibility and adaptability of the equipment.

[0026] Further, such as Figure 1 As shown, two groups of mounting columns 15 are provided on the top of the base 4, a plurality of heat dissipation fins 16 are provided on the mounting columns 15, a top plate 18 is provided on the top of the mounting columns 15, a heat conducting plate 17 is provided on one side of the heat dissipation fins 16, a cylindrical battery cell 2 is provided on one side of the heat conducting plate 17, and a substrate 1 is provided at the bottom of the cylindrical battery cell 2. When working, the mounting columns 15 are used to install a plurality of heat dissipation fins 16, the heat conducting plate 17 transfers the heat dissipated by the cylindrical battery cell 2 to the heat dissipation fins 16, and the heat is dissipated through the heat dissipation fins 16. The substrate 1 is used to install the cylindrical battery cell 2, so as to effectively install the heat dissipation device and effectively dissipate the heat of the cylindrical battery cell 2 to avoid excessive temperature, thereby slowing down the rate of chemical reaction, extending the service life of the battery, and reducing safety risks.

[0027] Further, such as Figure 2 and Figure 6As shown, a fixing groove 19 is provided on the substrate 1, and a fixing block 20 is provided in the fixing groove 19. One end of the fixing block 20 is fixedly connected to one side of the mounting plate 3. A movable groove 21 is provided on one side of the fixing block 20. A movable block 22 is provided in the movable groove 21. When working, the fixing groove 19 fixes the fixing block 20 and fixes the mounting plate 3 on the substrate 1. The movable groove 21 facilitates the movement of the movable block 22. The movable block 22 drives the second clamping block 25 to move, thereby effectively fixing the mounting plate 3 on the substrate 1, thereby facilitating the maintenance of the mounting plate 3 and increasing the maintainability and scalability of the equipment.

[0028] Further, such as Figure 3 and Figure 6 As shown, a second through slot is provided on one side of the movable slot 21, and a second clamping block 25 is provided on the second through slot. One end of the second clamping block 25 is connected to one side of the movable block 22. A second clamping slot 24 is provided on one side of the fixed slot 19, and one end of the second clamping block 25 extends into the second clamping slot 24. A second circular through hole is provided on the movable block 22, and a limiting column 26 is provided in the second circular through hole. Both ends of the limiting column 26 are connected to both sides of the movable slot 21. A spring 23 is sleeved on the limiting column 26, and one end of the spring 23 is connected to one side of the movable block 22, and the other end of the spring 23 is connected to The movable groove 21 is connected on one side. When working, the spring 23 squeezes the movable block 22 to make the movable block 22 move in the movable groove 21. At the same time, the movable block 22 slides on the limiting column 26 through the second circular through hole. The movable block 22 presses the second clamping block 25 into the second clamping groove 24. At the same time, the limiting column 26 prevents the spring 23 and the movable block 22 from shifting, thereby effectively fixing the fixed block 20 in the fixed groove 19, so that the mounting plate 3 can be fixed on the substrate 1, so that the position of the base 4 can be fixed, which is convenient for the staff to disassemble and assemble, and increases the convenience of equipment installation.

[0029] Further, such as Figure 1 As shown, a positive electrode is provided at one end of the cylindrical battery cell 2, a negative electrode is provided at one side of the cylindrical battery cell 2, a conductive plate 27 is provided at one side of the positive electrode, and one side of the conductive plate 27 is connected to the negative electrode. When working, the conductive plate 27 connects the positive electrode of the cylindrical battery cell 2 with the negative electrode of the cylindrical battery cell 2, thereby effectively connecting multiple groups of cylindrical battery cells 2 together, thereby extending the use time of the device and reducing the need for frequent charging or battery replacement.

[0030] The working principle of the utility model is as follows: when the fins of the heat dissipation device need to be removed, the rotating shaft 9 is driven to rotate by the turning handle 10, the rotating shaft 9 drives the gear 8 to rotate, the gear 8 drives the connecting plate 6 to move through a plurality of teeth 7, the connecting plate 6 drives the moving block 12 to move in the moving groove 11, the moving block 12 drives the first clamping block 14 to move, the first clamping block 14 is fixed in the first clamping groove 13, and a guide block is installed on one side of the moving block 12, the base 4 is fixed on the mounting plate 3, the heat conducting plate 17 transfers the heat dissipated by the cylindrical battery core 2 to the heat dissipation fins 16, and the heat is dissipated through the heat dissipation fins 16. The substrate 1 is used to install the cylindrical battery cell 2. The fixing groove 19 fixes the fixing block 20 and fixes the mounting plate 3 on the substrate 1. The movable groove 21 facilitates the movement of the movable block 22. The movable block 22 drives the second clamping block 25 to move. The spring 23 squeezes the movable block 22 to make the movable block 22 move in the movable groove 21. At the same time, the movable block 22 slides on the limiting column 26 through the second circular through hole. The movable block 22 presses the second clamping block 25 into the second clamping groove 24. At the same time, the limiting column 26 prevents the spring 23 and the movable block 22 from shifting. The conductive plate 27 connects the positive electrode of the cylindrical battery cell 2 with the negative electrode of the cylindrical battery cell 2.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cylindrical battery core thermal management structure, comprising a mounting plate (3), characterized in that: The mounting plate (3) is provided with a base (4), the base (4) is provided with a mounting groove (5), one side of the mounting groove (5) is provided with a first circular through hole, a rotating shaft (9) is provided in the first circular through hole, one end of the rotating shaft (9) is provided with a gear (8), the other end of the rotating shaft (9) is provided with a turning handle (10), two groups of connecting plates (6) are provided in the mounting groove (5), one side of the connecting plate (6) is provided with a plurality of teeth (7), the gear (8) meshes with the plurality of teeth (7), one end of the connecting plate (6) is provided with a moving block (12), the bottom of the mounting groove (5) is provided with two groups of first through grooves, one side of the mounting plate (3) is provided with a moving groove (11), one side of the moving groove (11) is provided with a first clamping groove (13), a first clamping block (14) is provided in the first clamping groove (13), one end of the first clamping block (14) is connected to one side of the moving block (12).

2. A cylindrical battery core thermal management structure according to claim 1, characterized in that: Two groups of mounting columns (15) are provided on the top of the base (4), a plurality of heat dissipation fins (16) are provided on the mounting columns (15), a top plate (18) is provided on the top of the mounting columns (15), a heat conduction plate (17) is provided on one side of the heat dissipation fins (16), a cylindrical battery core (2) is provided on one side of the heat conduction plate (17), and a base plate (1) is provided on the bottom of the cylindrical battery core (2).

3. A cylindrical battery core thermal management structure according to claim 2, characterized in that: The base plate (1) is provided with a fixing groove (19), a fixing block (20) is provided in the fixing groove (19), one end of the fixing block (20) is fixedly connected to one side of the mounting plate (3), one side of the fixing block (20) is provided with a movable groove (21), and a movable block (22) is provided in the movable groove (21).

4. A cylindrical battery core thermal management structure according to claim 3, characterized in that: A second through slot is formed on one side of the movable slot (21), a second through slot is provided with a second clamping block (25), one end of the second clamping block (25) is connected to one side of the movable block (22), and a second clamping slot (24) is formed on one side of the fixed slot (19), one end of the second clamping block (25) extends into the second clamping slot (24).

5. A cylindrical battery core thermal management structure according to claim 4, characterized in that: A second circular through hole is provided on the movable block (22), a limiting column (26) is provided in the second circular through hole, and two ends of the limiting column (26) are connected to two sides of the movable groove (21).

6. A cylindrical battery core thermal management structure according to claim 5, characterized in that: A spring (23) is sleeved on the limiting column (26), one end of the spring (23) is connected to one side of the movable block (22), and the other end of the spring (23) is connected to one side of the movable groove (21).

7. A cylindrical battery core thermal management structure according to claim 6, characterized in that: A positive electrode is provided at one end of the cylindrical battery cell (2), a negative electrode is provided at one side of the cylindrical battery cell (2), a conductive plate (27) is provided at one side of the positive electrode, and one side of the conductive plate (27) is connected to the negative electrode.

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