CN216085122U

CN216085122U - Efficient heat dissipation device for lithium battery pack

Info

Publication number: CN216085122U
Application number: CN202122220212.9U
Authority: CN
Inventors: 宋正根
Original assignee: Shanghai Hewan Electronic Technology Co ltd
Current assignee: Shanghai Hewan Electronic Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-18
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a high-efficiency heat dissipation device for a lithium battery pack, which belongs to the technical field of heat dissipation devices of lithium battery packs and aims to solve the problems that the lithium battery pack is excessively complicated to install and insufficient in heat dissipation efficiency; make two sets of splint to fix it through expanding spring in putting into the box with lithium cell group, detain the buckle again and carry on spacingly to lithium cell group, be convenient for install lithium cell group, can dual cooling through fan and water-cooling mechanism mutually support, increased the radiating effect.

Description

Efficient heat dissipation device for lithium battery pack

Technical Field

The utility model belongs to the technical field of lithium battery pack heat dissipation devices, and particularly relates to a high-efficiency heat dissipation device for a lithium battery pack.

Background

A lithium battery is a battery using a non-aqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and is roughly classified into a lithium metal battery and a lithium ion battery; the lithium battery pack is generally a lithium ion battery pack, is a high-capacity battery pack obtained by connecting single batteries in series and in parallel according to industrial requirements, does not contain metallic lithium, and can be charged.

Because lithium cell group has a large amount of monomer lithium cells to constitute, can produce great heat at the during operation, in order to avoid using lithium cell group to take place the incident, increase lithium cell group's life, can utilize a heat abstractor to dispel the heat to it.

The utility model discloses a device is organized to lithium cell convenient to heat dissipation is disclosed like application number CN202020536916.X, which comprises an outer shell body, spacing post, the heat dissipation copper pipe, the lithium cell mounting groove, heat radiation fins, the mounting panel, the rotation motor, circular bearing frame, radiator fan, radiator grille, the support column, the bottom plate, rectangle recess etc. through placing lithium cell group in the lithium cell mounting groove, the motor drives radiator fan and rotates, heat of single lithium cell transmits heat radiation fins through the heat dissipation copper pipe, the heat on the radiator fins is blown off by radiator fan, and discharge outside the shell body from radiator grille.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, heat abstractor is through installing single lithium cell respectively in the rectangle recess, and the heat of single lithium cell passes through the transmission of hot copper pipe, and the installation is comparatively loaded down with trivial details, is not convenient for organize whole heat dissipation to the lithium cell, and blows off through the heat dissipation grid alone the heat on the heat radiation fins of heat conduction, and the radiating efficiency is not enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an efficient heat dissipation device for a lithium battery pack, so as to solve the problems that the lithium battery pack is excessively complicated to install and the heat dissipation efficiency is insufficient.

The purpose and the effect of the high-efficiency heat dissipation device for the lithium battery pack are achieved by the following specific technical means:

the utility model provides a high-efficient heat abstractor for lithium cell group, the power distribution box comprises a box body, the installing port has been seted up to box one side, be provided with the fan in the installing port, the box opposite side seted up with the relative multiunit convection current gas pocket that sets up of installing port, be provided with coolant tank on the box, be provided with two sets of baffles in the box, it is two sets of be provided with water cooling mechanism between baffle and the box, it is two sets of be provided with installation mechanism between the baffle, be provided with in the box and place the board, place the board with be provided with multiunit damper between the box, be provided with fixed establishment on the box.

Further, water-cooling mechanism includes circulating pipe, circulating pipe twines and sets up the box is with two sets of between the baffle, the box outside is provided with the water pump, circulating pipe's water inlet runs through the box with the water pump is connected, circulating pipe's delivery port runs through the box with coolant tank connects, the water pump passes through the drinking-water pipe and is connected with coolant tank.

Further, installation mechanism includes two sets of splint, be provided with multiunit installation pole on the splint, the multiunit the installation pole is worn to establish two sets of respectively on the baffle, the cover is equipped with expanding spring on the installation pole.

Further, damper includes the elastic plate, two sets of spouts have been seted up to the bottom in the box, and is two sets of all the card is equipped with the slider in the spout, the elastic plate both ends are established respectively and are established two sets of on the slider, the slider with be provided with damping spring between the spout, place the board bottom with the elastic plate contact.

Further, the fixing mechanism comprises a buckle plate, a support and a clamping block are arranged on two sides of the box body respectively, a sleeve of the buckle plate is arranged on the support, a clamping groove is formed in the buckle plate, and the clamping block is clamped in the clamping groove.

Furthermore, a spacer is arranged at the bottom end of the pinch plate.

Furthermore, the two groups of the partition plates are connected through a connecting plate, and a protective cover is arranged on the connecting plate.

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

1. through the setting on two sets of splint upper end inclined planes, can be with the whole box of putting into of lithium cell group, promote the inclined plane of two sets of splint when putting into and make two sets of splint open, put into the box in the back, expanding spring makes two sets of splint press from both sides tight lithium cell group, and it is rotatory around the support with the buckle again for buckle an end lock is on fixture block 23, can accomplish the installation of lithium cell group, and it is convenient to have brought for the installation of lithium cell group.

2. Two sets of splint are the heat conduction material, can absorb the heat of lithium cell group, and the work through the fan, the air current gets into in the box from the installing port, and flow through the convection current gas pocket, can effectually take away the heat on two sets of splint, and can be simultaneously to whole lithium cell group heat dissipation of blowing, through the setting of water-cooling mechanism, open the water pump, the water pump is brought into in the circulating water pipe with the water in the cooling water tank, flow back to the cooling water tank behind the circulation flow round in the box in, the cooling rate in the box has been accelerated, the radiating effect has been increased.

3. Through damper's setting, when heat abstractor received external force collision, place the board and will remove, place board extrusion elastic plate, the elastic plate warp and extend to both sides, and damping spring is given through two sets of slider transmissions to the power of deformation, can effectually unload power for this novel protection effect that can play to lithium cell group when receiving the collision.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is an enlarged view of the region B in fig. 2.

FIG. 5 is a schematic view of the structure of the water cooling mechanism according to the present invention.

Fig. 6 is a partial structural view of the present invention.

Fig. 7 is a partial structural sectional view of the present invention.

Fig. 8 is a schematic view of the structure of the damper mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a box body; 2. a cooling water tank; 3. buckling the plate; 4. a convective vent; 5. a water pump; 6. a water pumping pipe; 7. a water injection port; 8. a support; 9. a circulating water pipe; 10. a fan; 11. a protective cover; 12. a spacer; 13. a card slot; 14. a splint; 15. a partition plate; 16. placing the plate; 17. mounting a rod; 18. a tension spring; 19. a slider; 20. an elastic plate; 21. a damping spring; 22. a chute; 23. a clamping block; 24. an installation port; 25. a connecting plate.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the utility model provides a high-efficiency heat dissipation device for a lithium battery pack, which comprises a box body 1, wherein one side of the box body 1 is provided with a mounting opening 24, a fan 10 is arranged in the mounting opening 24, the other side of the box body 1 is provided with a plurality of groups of convection air holes 4 which are arranged opposite to the mounting opening 24, and air flow can enter the box body 1 from the mounting opening 24 and flow out through the convection air holes 4 through the work of the fan 10.

Be provided with coolant tank 2 on the box 1, be provided with two sets of baffles 15 in the box 1, be provided with water cooling mechanism between two sets of baffles 15 and the box 1, be provided with water filling port 7 on the coolant tank 2, accessible water filling port 7 adds water or coolant liquid to coolant tank 2.

A placing plate 16 is arranged in the box body 1, and a lithium battery pack can be placed in the box body 1 and placed on the placing plate 16.

The water cooling mechanism comprises a circulating water pipe 9, the circulating water pipe 9 is wound between the box body 1 and the two groups of partition plates 15, the bottom of a placing plate 16 on the path of the circulating water pipe 9 is connected with the inner wall of the box body 1, a water pump 5 is arranged on the outer side of the box body 1, a water inlet of the circulating water pipe 9 penetrates through the box body 1 and is connected with the water pump 5, a water outlet of the circulating water pipe 9 penetrates through the box body 1 and is connected with the cooling water tank 2, and the water pump 5 is connected with the cooling water tank 2 through a water pumping pipe 6; can bring the water in the cooling water tank 2 into circulating pipe 9 through the setting of water pump 5, cooling water flows in box 1 through circulating pipe 9 after a week in the cooling water tank 2 is flowed back, can cool down in the box 1.

Wherein, an installation mechanism is arranged between the two groups of partition plates 15, the installation mechanism comprises two groups of clamping plates 14, a plurality of groups of installation rods 17 are arranged on the clamping plates 14, the plurality of groups of installation rods 17 are respectively arranged on the two groups of partition plates 15 in a penetrating way, and the installation rods 17 are sleeved with telescopic springs 18; two sets of splint 14 tops are the inclined plane design, and when putting into box 1 with lithium cell group whole, can promote two sets of splint 14 and part, lithium cell group arrange place the board 16 back on, expanding spring 18 makes two sets of splint 14 press from both sides tight lithium cell group, and two sets of splint 14 are the heat conduction material, can absorb the heat that lithium cell group gived off.

A plurality of groups of damping mechanisms are arranged between the placing plate 16 and the box body 1, each damping mechanism comprises an elastic plate 20, two groups of sliding grooves 22 are formed in the bottom of the box body 1, sliding blocks 19 are clamped in the two groups of sliding grooves 22, the sliding blocks 19 can slide in the sliding grooves 22, two ends of each elastic plate 20 are respectively sleeved on the two groups of sliding blocks 19, a damping spring 21 is arranged between each sliding block 19 and each sliding groove 22, and the bottom end of the placing plate 16 is in contact with the elastic plates 20; place board 16 and arrange elastic plate 20 top in and not fixed with two sets of baffles 15, place board 16 and can reciprocate between two sets of baffles 15, when this is novel when receiving external force, place board 16 and then can remove, place board 16 extrusion elastic plate 20 and make it take place deformation and extend to both sides, elastic plate 20 unloads power in damping spring 21 department through two sets of sliders 19.

The top end of the box body 1 is provided with a pinch plate 3, two sides of the box body 1 are respectively provided with a support 8 and a fixture block 23, one end of the pinch plate 3 is sleeved on the support 8, the pinch plate 3 is provided with a clamping groove 13, and the fixture block 23 is clamped in the clamping groove 13; buckle 3 can be rotatory around support 8, and the back is placed to lithium cell group, and buckle 3 is detained and is carried on spacingly at 1 top of box to lithium cell group, when needing to take out lithium cell group, pulls the one end of buckle 3 and makes fixture block 23 break away from draw-in groove 13 and can open buckle 3.

In some embodiments, buckle 3 can be replaced by the bandage, and a pot head of bandage is established on support 8, and fixture block 23 is replaced by the magic subsides, and bandage one end is provided with the magic subsides equally, and bandage accessible magic subsides are detained and are established on lithium cell group, carry on spacingly to lithium cell group.

Wherein, 3 bottoms of buckle are provided with shock insulator 12, and shock insulator 12 is the rubber material, can avoid buckle 3 direct and lithium cell group contact, play the guard action to lithium cell group.

Wherein, the two groups of clapboards 15 are connected through a connecting plate 25, and a protective cover 11 is arranged on the connecting plate 25; the protection cover 11 can prevent the lithium battery pack from contacting the fan 10, and prevent the fan 10 from rotating to damage the lithium battery pack.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, water or cooling liquid is firstly added into a cooling water tank 2 through a water filling port 7, a buckle plate 3 is opened, a lithium battery pack is placed into a box body 1 and is arranged on a placing plate 16, two groups of clamping plates 14 clamp and fix the lithium battery pack through a telescopic spring 18, the buckle plate 3 is closed to limit the lithium battery pack, when the lithium battery pack works, the two groups of clamping plates 14 are made of heat conducting materials and can absorb heat of the lithium battery pack, a fan 10 and a water pump 5 are opened, when the fan 10 works, airflow enters the box body 1 from a mounting port 24 and flows out through a convection air hole 4, heat on the two groups of clamping plates 14 can be effectively taken away, and the whole lithium battery pack can be blown and radiated, the water in the cooling water tank 2 is brought into a circulating water pipe 9 by the water pump 5, the water flows back into the cooling water tank 2 after circulating for one circle in the box body 1, and can cool the interior of the box body 1, the heat dissipation efficiency is increased.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a high-efficient heat abstractor for lithium cell group which characterized in that: including box (1), installing port (24) have been seted up to box (1) one side, be provided with fan (10) in installing port (24), box (1) opposite side seted up with relative multiunit convection current gas pocket (4) that set up of installing port (24), be provided with coolant tank (2) on box (1), be provided with two sets of baffle (15) in box (1), two sets of be provided with water cooling mechanism between baffle (15) and box (1), two sets of be provided with installation mechanism between baffle (15), be provided with in box (1) and place board (16), place board (16) with be provided with multiunit damper between box (1), be provided with fixed establishment on box (1).

2. The efficient heat dissipation device for a lithium battery pack as claimed in claim 1, wherein: the water-cooling mechanism comprises a circulating water pipe (9), the circulating water pipe (9) is wound and arranged between the box body (1) and the two groups of partition plates (15), a water pump (5) is arranged on the outer side of the box body (1), a water inlet of the circulating water pipe (9) is penetrated through the box body (1) and the water pump (5) are connected, a water outlet of the circulating water pipe (9) is penetrated through the box body (1) and the cooling water tank (2) are connected, and the water pump (5) is connected with the cooling water tank (2) through a water suction pipe (6).

3. The efficient heat dissipation device for a lithium battery pack as claimed in claim 1, wherein: installation mechanism includes two sets of splint (14), be provided with multiunit installation pole (17) on splint (14), the multiunit installation pole (17) wear to establish two sets of respectively on baffle (15), the cover is equipped with expanding spring (18) on installation pole (17).

4. The efficient heat dissipation device for a lithium battery pack as claimed in claim 1, wherein: damping device includes elastic plate (20), two sets of spout (22) have been seted up to the bottom in box (1), and is two sets of all block in spout (22) and be equipped with slider (19), elastic plate (20) both ends are established respectively and are established two sets of on slider (19), slider (19) with be provided with damping spring (21) between spout (22), place board (16) bottom with elastic plate (20) contact.

5. The efficient heat dissipation device for a lithium battery pack as claimed in claim 1, wherein: the fixing mechanism comprises a buckling plate (3), a support (8) and a clamping block (23) are arranged on two sides of the box body (1) respectively, a clamping groove (13) is formed in the buckling plate (3) and is formed in the support (8), and the clamping block (23) is clamped in the clamping groove (13).

6. The efficient heat dissipation device for a lithium battery pack of claim 5, wherein: the bottom end of the pinch plate (3) is provided with a spacer (12).

7. The efficient heat dissipation device for a lithium battery pack as claimed in claim 1, wherein: the two groups of the partition plates (15) are connected through a connecting plate (25), and a protective cover (11) is arranged on the connecting plate (25).