CN216698500U

CN216698500U - Heat exchange and cooling protection device for lithium battery

Info

Publication number: CN216698500U
Application number: CN202123409741.XU
Authority: CN
Inventors: 张红刚; 董亚锋
Original assignee: Shenzhen Zili New Energy Technology Co ltd
Current assignee: Shenzhen Zili New Energy Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of heat exchange and cooling protection devices, in particular to a heat exchange and cooling protection device for a lithium battery, which comprises a shell, wherein a placing plate is arranged in the shell, a positioning plate is arranged on the upper surface of the placing plate, wiring ports are symmetrically formed in two ends of the shell, an upper copper sheet and a lower copper sheet are respectively arranged on the lower surface of the placing plate and the bottom of the shell, a heat exchange box is fixedly arranged between the upper copper sheet and the lower copper sheet, cooling liquid is filled in the heat exchange box, a rotating rod is rotatably connected in the heat exchange box, a convex rod is uniformly arranged on the outer surface of the rotating rod, and a motor is arranged on one side of the shell. According to the utility model, under the matching action of the upper copper sheet, the lower copper sheet, the heat exchange box, the rotating rod, the protruding rod, the motor and other related structures, the lithium battery can be rapidly cooled by utilizing the excellent heat conduction effect of the copper sheets and matching with the cooling liquid in the upper heat exchange box, so that the lithium battery is prevented from being overheated, and the lithium battery is protected.

Description

Heat exchange and cooling protection device for lithium battery

Technical Field

The utility model relates to the technical field of heat exchange and cooling protection devices, in particular to a heat exchange and cooling protection device for a lithium battery.

Background

The lithium battery is a battery which uses a non-aqueous electrolyte solution and takes lithium metal or lithium alloy as a positive/negative electrode material, because the chemical characteristics of the lithium metal are very active, the lithium battery becomes a mainstream along with the development of scientific technology, the temperature of the lithium battery can be gradually increased along with the time lapse in the use process of the lithium battery, and most of the existing lithium batteries are not provided with a temperature reduction device when being used, so that the overheating condition of the lithium battery is caused, and the service life of the lithium battery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a heat exchange and cooling protection device for a lithium battery.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a heat transfer cooling protection device for lithium cell, includes the shell, the internally mounted of shell has places the board, the last surface mounting who places the board has the locating plate, the wiring mouth has been seted up to the both ends symmetry of shell, place the lower surface of board and the bottom of shell and install copper sheet and lower copper sheet respectively, it has the heat transfer box to go up fixed mounting between copper sheet and the lower copper sheet, the inside packing of heat transfer box has the coolant liquid, the inside rotation of heat transfer box is connected with the bull stick, the surface of bull stick evenly is provided with the protruding pole, the motor is installed to one side of shell, the bull stick is close to the one end of motor and the output fixed connection of motor.

In order to improve the sealing effect of the joint of the rotating rod and the heat exchange box, the utility model has the improvement that a sealing ring is arranged at the joint of the rotating rod and the inner wall of the heat exchange box.

In order to improve the heat conduction effect of the joints of the upper copper sheet, the lower copper sheet and the heat exchange box, the utility model has the improvement that the joints of the upper copper sheet, the lower copper sheet and the heat exchange box are all provided with heat conduction silicone grease.

In order to further improve the heat exchange effect of the shell, the utility model has the improvement that the lower surface of the shell is uniformly provided with heat exchange grooves.

In order to facilitate the fixed installation of the motor, the utility model has the improvement that one end of the motor close to the shell is provided with a mounting disc, and the mounting disc is fixedly connected with the outer surface of the shell through screws.

In order to improve the wiring effect of the battery, the utility model is improved in that two ends of the shell, which are close to the wiring port, are symmetrically provided with the wire clamping mechanisms, each wire clamping mechanism comprises a casing, one end of each casing is symmetrically provided with a through hole, a through rod penetrates through the through holes, one end of each through rod, which is far away from the through holes, is provided with a pressing block, the outer surface of each through rod is sleeved with a spring, and one end of each pressing block, which is far away from the through rods, is provided with a clamping block.

In order to improve the limiting effect on the through rod, the utility model has the improvement that a circular plate is arranged at one end of the through rod close to the through hole.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, under the matching action of the upper copper sheet, the lower copper sheet, the heat exchange box, the rotating rod, the convex rod, the motor and other related structures, the lithium battery can be rapidly cooled by utilizing the excellent heat conduction effect of the copper sheet and matching with the cooling liquid in the upper heat exchange box, so that the lithium battery is prevented from being overheated, and the lithium battery is protected.

2. According to the utility model, by arranging the casing, the through hole, the through rod, the pressing block, the spring, the clamping block and the like, after the wiring of the lithium electric hammer and the outside is finished, the clamping block is clamped on the connecting wire by utilizing the excellent resilience performance of the spring, so that the further reinforcing effect is performed on the wiring process, and the wiring looseness is prevented.

Drawings

Fig. 1 is a perspective view of a heat exchange cooling protection device for a lithium battery according to the present invention;

fig. 2 is an exploded view of a heat exchange cooling protection device for a lithium battery according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 of the heat exchange cooling protection device for a lithium battery according to the present invention;

fig. 4 is a schematic structural diagram of a wire clamping mechanism of a heat exchange cooling protection device for a lithium battery according to the present invention.

Illustration of the drawings:

1. a housing; 2. placing the plate; 3. positioning a plate; 4. a wiring port; 5. a copper sheet is arranged; 6. a lower copper sheet; 7. a heat exchange box; 8. a rotating rod; 9. a nose bar; 10. a motor; 11. a seal ring; 12. a housing; 13. a through hole; 14. a through rod; 15. a circular plate; 16. briquetting; 17. a spring; 18. and (5) clamping blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a heat transfer cooling protection device for lithium cell, which comprises a housing 1, the internally mounted of shell 1 places board 2, the last surface mounting who places board 2 has locating plate 3, place board 2 and locating plate 3, can make things convenient for the lithium cell to install with shell 1, wiring mouth 4 has been seted up to the both ends symmetry of shell 1, wiring mouth 4 then can make things convenient for the lithium cell to be connected with external equipment, place the lower surface of board 2 and the bottom of shell 1 and install upper copper sheet 5 and lower copper sheet 6 respectively, fixed mounting has heat transfer box 7 between upper copper sheet 5 and the lower copper sheet 6, the inside packing of heat transfer box 7 has the coolant liquid, the inside rotation of heat transfer box 7 is connected with bull stick 8, the surface of bull stick 8 evenly is provided with protruding pole 9, motor 10 is installed to one side of shell 1, the one end that bull stick 8 is close to motor 10 is fixedly connected with the output of motor 10, it sets up this upper copper sheet 5, Under the cooperation of lower copper sheet 6, heat transfer box 7, bull stick 8, nose bar 9 and relevant structures such as motor 10, can utilize the splendid heat conduction effect of copper sheet, the coolant liquid of heat transfer box 7 inside in the cooperation can realize the rapid cooling to the lithium cell, and then has avoided the overheated condition of lithium cell to appear to take place, and then plays the guard action to the lithium cell.

Please refer to fig. 2 and fig. 3, a sealing ring 11 is disposed at a joint between the rotating rod 8 and an inner wall of the heat exchanging box 7, a sealing effect at the joint between the rotating rod 8 and the heat exchanging box 7 can be improved by the sealing ring 11, heat conducting silicone grease is disposed at joints between the upper copper sheet 5 and the lower copper sheet 6 and the heat exchanging box 7, the heat conducting silicone grease can further improve a heat conducting effect at the joint between the upper copper sheet 5 and the lower copper sheet 6 and the heat exchanging box 7, a heat exchanging groove is uniformly formed in a lower surface of the housing 1, the heat exchanging groove can improve a matching effect between the housing 1 and the lower copper sheet 6, the heat exchanging effect of the housing 1 is further improved, a mounting plate is disposed at one end of the motor 10 close to the housing 1, the mounting plate is fixedly connected to an outer surface of the housing 1 by screws, and the mounting plate can realize rapid fixed mounting of the motor 10.

Example two

Referring to fig. 1 and 4, the two ends of the housing 1 close to the wire connection port 4 are symmetrically provided with wire clamping mechanisms, each wire clamping mechanism includes a casing 12, one end of the casing 12 is symmetrically provided with a through hole 13, a through rod 14 penetrates through the through hole 13, one end of the through rod 14 far away from the through hole 13 is provided with a pressing block 16, the outer surface of the through rod 14 is sleeved with a spring 17, one end of the pressing block 16 far away from the through rod 14 is provided with a clamping block 18, the casing 12, the through hole 13, the through rod 14, the pressing block 16, the spring 17, the clamping block 18 and the like are arranged, after the connection of the lithium electric hammer and the outside is completed, the clamping block 18 is clamped on the connection wire by utilizing the excellent resilience of the spring 17, further strengthening effect is performed on the connection process, the connection wire is prevented from being loosened, one end of the through rod 14 close to the through hole 13 is provided with a circular plate 15, the circular plate 15 can limit the through rod 14, and ensure the rebound process of the spring 17, the through-rod 14 cannot slip out of the through-hole 13.

The working principle is as follows: when the protection device is used by a worker, the worker can fix the lithium battery on the placing plate 2 at the moment, then the wiring port 4 is used for wiring, after the wiring is completed, the pressing block 16 and the clamping plate can move to the position of the wiring port 4 under the action of the spring 17 and can be directly clamped on the outer surface of the wiring, further the further reinforcing effect is performed in the wiring process, the wiring looseness is prevented, when the lithium battery starts to work, the worker can open the motor 10 at the moment, the motor 10 can drive the rotating rod 8 and the convex rod 9 to rotate, the stirring effect is realized on the cooling liquid in the heat exchange box 7, the heat generated in the working process of the lithium battery can be guided into the heat exchange box 7 through the effect of the upper copper sheet 5, after the primary cooling of the cooling liquid, the heat is directly guided out along the heat exchange groove by the lower copper sheet 6, and the rapid cooling effect on the lithium battery is realized, thereby improving the protection effect on the lithium battery.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a heat transfer cooling protection device for lithium cell, includes shell (1), its characterized in that: the utility model discloses a solar heat collector, including shell (1), place board (2), the last surface mounting who places board (2) has locating plate (3), wiring mouth (4) have been seted up to the both ends symmetry of shell (1), copper sheet (5) and lower copper sheet (6) are installed respectively to the lower surface of placing board (2) and the bottom of shell (1), fixed mounting has heat exchange box (7) between last copper sheet (5) and lower copper sheet (6), the inside packing of heat exchange box (7) has the coolant liquid, the inside rotation of heat exchange box (7) is connected with bull stick (8), the surface of bull stick (8) evenly is provided with protruding pole (9), motor (10) are installed to one side of shell (1), the one end that bull stick (8) are close to motor (10) and the output fixed connection of motor (10).

2. The heat exchange and temperature reduction protection device for the lithium battery as claimed in claim 1, wherein: and a sealing ring (11) is arranged at the joint of the rotating rod (8) and the inner wall of the heat exchange box (7).

3. The heat exchange and temperature reduction protection device for the lithium battery as claimed in claim 1, wherein: and heat-conducting silicone grease is arranged at the joints of the upper copper sheet (5), the lower copper sheet (6) and the heat exchange box (7).

4. The heat exchange and temperature reduction protection device for the lithium battery as claimed in claim 1, wherein: the lower surface of the shell (1) is uniformly provided with heat exchange grooves.

5. The heat exchange and temperature reduction protection device for the lithium battery as claimed in claim 1, wherein: and a mounting disc is arranged at one end of the motor (10) close to the shell (1), and the mounting disc is fixedly connected with the outer surface of the shell (1) through screws.

6. The heat exchange and temperature reduction protection device for the lithium battery as claimed in claim 1, wherein: the all symmetry in both ends that shell (1) is close to wiring mouth (4) is provided with wire clamping mechanism, wire clamping mechanism includes cover shell (12), through-hole (13) have been seted up to the one end symmetry of cover shell (12), the inside of through-hole (13) is run through and is provided with through-rod (14), through-rod (14) are kept away from the one end of through-hole (13) and are installed briquetting (16), the surface cover of through-rod (14) is equipped with spring (17), briquetting (16) are kept away from the one end of through-rod (14) and are installed clamp splice (18).

7. The heat exchange and temperature reduction protection device for the lithium battery as claimed in claim 6, wherein: and a circular plate (15) is arranged at one end of the through rod (14) close to the through hole (13).