Battery pack heating structure

Abstract

The utility model discloses a battery pack heating structure, which relates to the technical field of power batteries and comprises a shell, a shell cover is fixedly arranged at the top of the shell, a battery pack is arranged in the shell, a plurality of rotating plates are arranged on the outer side of the battery pack, heating pieces are fixedly arranged on one sides of the rotating plates, hinges are arranged among the rotating plates, and the rotating plates are connected through the hinges. And one rotating plate is provided with a rotating groove. A plurality of rotating plates are adopted to carry the heating piece to heat the battery, in order to conveniently disassemble the rotating plates, a fixing block is rotated to rotate an inserting rod to an inserting groove opening, a first spring pops up the inserting rod on a supporting rod, operation is very convenient and rapid, and in order to prevent the heating piece from being damaged when the heating piece is disassembled, the fixing block is rotated to rotate the inserting rod to the inserting groove opening. The whole heating piece needs to be scrapped, each rotating plate carries the heating piece, during replacement, only the hinge needs to be disassembled, the damaged heating piece needs to be replaced, the device is very convenient to disassemble, and resources are saved during maintenance.

Description

Technical Field

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

[0002] At present, as a kind of green energy, batteries have significant advantages with their basically zero pollution emissions. Batteries, especially lithium batteries, are increasingly widely used in fields such as electric bicycles and electric vehicles. With the widespread use of electric vehicles, the performance requirements for lithium batteries are also getting higher and higher. Since the charging and discharging of lithium batteries is an electrochemical process, the biggest factor affecting the process is temperature. The capacity of lithium batteries changes with the ambient temperature. Within a certain temperature range, the capacity increases with the increase of temperature and decreases with the decrease of temperature.

[0003] Patent number CN206505998U4 includes a battery pack composed of a number of batteries arranged in parallel, an insulating layer is arranged outside the battery pack, a heating layer is arranged outside the insulating layer, the heating layer is connected to a temperature control device, a heat insulation layer is arranged outside the heating layer, a shell is arranged outside the heat insulation layer, a temperature detection probe is arranged between the battery pack and the insulating layer, and the temperature detection probe is connected to the temperature control device.

[0004] The above patent detects the temperature of the battery pack by using a temperature detection probe, but when the heating layer or the battery is damaged, the heating layer is not easy to disassemble. When disassembling the heating layer, the entire heating layer must be disassembled, which not only increases the labor intensity of the staff, but also causes the entire heating layer to be scrapped, which is very unfavorable for saving resources. Utility Model Content

[0005] In view of the above problems existing in the existing battery heating structure, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide a battery pack heating structure, which solves the problem of difficult to disassemble the heating layer and the problem of overall disassembly of the heating layer.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A battery pack heating structure comprises a shell, a shell cover is fixedly provided on the top of the shell, a battery pack is arranged in the shell, a plurality of rotating plates are arranged on the outside of the battery pack, a heating plate is fixedly provided on one side of the plurality of rotating plates, hinges are arranged between the plurality of rotating plates, the plurality of rotating plates are connected by hinges, one of the rotating plates is provided with a rotating groove, a first spring is fixedly provided at the bottom of the rotating groove, a support plate is fixedly provided on the top of the first spring, a rotating shaft is rotatably provided on the top of the support plate, a torsion spring is sleeved on the outside of the rotating shaft, a plug-in rod is fixedly provided on the rod wall of the rotating shaft, a plug-in groove is provided on the surface of one of the rotating plates, the plug-in rod cooperates with the plug-in groove, a fixed block is fixedly provided on the top of the rotating shaft, one end of the torsion spring is fixedly connected to the fixed block, and the other end of the torsion spring is fixedly connected to the rotating shaft.

[0009] Preferably, a connector is fixedly provided on the top of the shell, and a sealing gasket is fixedly provided on the bottom of the shell.

[0010] Preferably, an elastic telescopic rod is fixedly provided on a side wall of one side of the shell.

[0011] Preferably, a first telescopic rod is fixedly provided at the bottom of the rotating groove.

[0012] Furthermore, an insulating pad is fixedly provided on the outer side wall of the fixing block.

[0013] Preferably, a heat dissipation port is fixedly provided at the bottom of the shell, and a dustproof screen is fixedly provided inside the heat dissipation port.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model adopts multiple rotating plates equipped with heating plates to heat the battery. In order to facilitate the removal of the rotating plates, the fixed block is rotated to turn the plug-in rod to the plug-in slot, and the first spring pops out the plug-in rod on the support rod. The operation is very convenient and quick. In order to avoid the entire heating plate being scrapped when the heating plate is removed, each rotating plate is equipped with a heating plate. When replacing, it is only necessary to disassemble the hinge and replace the damaged heating plate. This device is very easy to disassemble and saves resources during maintenance.

[0016] 2. The utility model adopts an elastic telescopic rod to fix the battery pack. In order to prevent the battery pack from shaking during operation and causing a battery short circuit, an elastic telescopic rod is arranged on the inner wall of one side of the shell to fix the battery pack. In order to prevent the temperature inside the shell from being too high, a heat dissipation port is arranged at the bottom. Too high temperature will cause dust to be adsorbed, and long-term accumulation will cause a battery short circuit. A dustproof mesh plate is arranged at the heat dissipation port. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic cross-sectional view of the planar structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the planar structure of the rotating plate of the utility model;

[0020] Figure 3 It is a schematic top view of the planar structure of the utility model;

[0021] Description of reference numerals:

[0022] 1. Shell; 2. Shell cover; 3. Battery pack; 4. Rotating plate; 5. Heating plate; 6. Hinge; 7. Rotating slot; 8. First spring; 9. Support plate; 10. Rotating shaft; 11. Torsion spring; 12. Plug rod; 13. Plug slot; 14. Fixed block; 15. Connector; 16. Sealing pad; 17. Elastic telescopic rod; 18. First telescopic rod; 19. Insulating pad; 20. Heat dissipation port; 21. Dustproof mesh plate. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a battery pack heating structure.

[0025] The utility model provides Figure 1-3A battery pack heating structure shown in the figure comprises a shell 1, a shell cover 2 is fixedly provided on the top of the shell 1, a battery pack 3 is arranged in the shell 1, a plurality of rotating plates 4 are arranged on the outside of the battery pack 3, a heating plate 5 is fixedly provided on one side of the plurality of rotating plates 4, a hinge 6 is arranged between the plurality of rotating plates 4, the plurality of rotating plates 4 are connected by the hinge 6, one of the rotating plates 4 is provided with a rotating groove 7, a first spring 8 is fixedly provided at the bottom of the rotating groove 7, a support plate 9 is fixedly provided on the top of the first spring 8, a rotating shaft 10 is rotatably provided on the top of the support plate 9, a torsion spring 11 is sleeved on the outside of the rotating shaft 10, a plug-in rod 12 is fixedly provided on the rod wall of the rotating shaft 10, and ... a A plug-in slot 13 is provided on the surface of the rotating plate 4, and the plug-in rod 12 cooperates with the plug-in slot 13. A fixing block 14 is fixedly provided on the top of the rotating shaft 10, one end of the torsion spring 11 is fixedly connected to the fixing block 14, and the other end of the torsion spring 11 is fixedly connected to the rotating shaft 10. When dismantling, the fixing block 14 is rotated to drive the rotating shaft 10 and the plug-in rod 12 to rotate out of the plug-in slot 13, and the first spring 8 pops out the rotating shaft 10. When fixing, the fixing block 14 is pressed downward. After releasing the hand, the torsion spring 11 automatically rotates the rotating shaft 10 into the plug-in slot 13. When replacing the heating plate 5, the heating plate 5 is removed after the chain is removed to remove the rotating plate 4.

[0026] In order to avoid more hot air leakage, such as Figure 1 As shown, a connector 15 is fixedly provided on the top of the housing 1 , and a sealing gasket 16 is fixedly provided on the bottom of the housing 1 .

[0027] In order to fix the battery pack 3, Figure 3 As shown, an elastic telescopic rod 17 is fixedly provided on one side wall of the housing 1 to prevent the battery pack 3 from shaking and causing a short circuit and fire, and the elastic telescopic rod 17 is used to fix it.

[0028] In order to increase the stability of the first spring, Figure 2 As shown, a first telescopic rod 18 is fixedly provided at the bottom of the rotating groove 7 . In order to increase the stability of the first spring 8 , the first telescopic rod 18 is provided on one side to continue supporting the support plate 9 .

[0029] Finally, in order to avoid electric shock and better heat dissipation, such as Figure 1-3 As shown, an insulating pad 19 is fixedly provided on the outer wall of the fixing block 14 , a heat dissipation opening 20 is fixedly provided at the bottom of the housing 1 , and a dustproof screen 21 is fixedly provided inside the heat dissipation opening 20 .

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A battery pack heating structure, comprising a housing (1), characterized in that: A shell cover (2) is fixedly provided on the top of the shell (1), a battery pack (3) is provided inside the shell (1), a plurality of rotating plates (4) are provided on the outside of the battery pack (3), a heating plate (5) is fixedly provided on one side of the plurality of rotating plates (4), hinges (6) are provided between the plurality of rotating plates (4), the plurality of rotating plates (4) are connected via the hinges (6), one of the rotating plates (4) is provided with a rotating groove (7), a first spring (8) is fixedly provided at the bottom of the rotating groove (7), a support plate (5) is fixedly provided on the top of the first spring (8) 9), a rotating shaft (10) is rotatably provided at the top of the support plate (9), a torsion spring (11) is sleeved on the outer side of the rotating shaft (10), a plug-in rod (12) is fixedly provided on the rod wall of the rotating shaft (10), a plug-in groove (13) is opened on the surface of one of the rotating plates (4), the plug-in rod (12) and the plug-in groove (13) are matched, a fixed block (14) is fixedly provided on the top of the rotating shaft (10), one end of the torsion spring (11) is fixedly connected to the fixed block (14), and the other end of the torsion spring (11) is fixedly connected to the rotating shaft (10).

2. A battery pack heating structure according to claim 1, characterized in that: A connector (15) is fixedly provided on the top of the shell (1), and a sealing gasket (16) is fixedly provided on the bottom of the shell (1).

3. A battery pack heating structure according to claim 1, characterized in that: An elastic telescopic rod (17) is fixedly provided on a side wall of one side of the housing (1).

4. A battery pack heating structure according to claim 1, characterized in that: A first telescopic rod (18) is fixedly provided at the bottom of the rotating groove (7).

5. The battery pack heating structure according to claim 1, characterized in that: An insulating pad (19) is fixedly provided on the outer side wall of the fixing block (14).

6. A battery pack heating structure according to claim 1, characterized in that: A heat dissipation opening (20) is fixedly provided at the bottom of the shell (1), and a dustproof screen plate (21) is fixedly provided inside the heat dissipation opening (20).

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