CN217933949U - Composite heat dissipation device for lithium ion battery and lithium ion battery system - Google Patents

Abstract

The utility model provides a composite cooling device for a lithium-ion battery and a lithium-ion battery system with a novel structural design; it includes a cooling body, a cooling side box and a casing, and one side of the casing is installed on the outer wall of the cooling body and the inner wall of the casing through bolts. There is a baffle plate slidingly connected, and several fan nets are installed on the outer wall of the baffle plate through bolts. The middle part of the outer wall of the baffle plate is movably connected with a steering rod through a bearing. One end of the steering rod is welded with a heat dissipation round frame. An adjustment handle is welded on the outer wall of the cooling frame, several partial nets are installed on the outer wall of the cooling round frame through bolts, a plug-in plate is welded on one side of the cooling side box, and inner tubes are welded on both sides of the cooling body. The adjustment handle of the utility model can use the steering rod to move, so that the positions of the partial net and the fan net are corresponding, and the heat in the heat dissipation body can be efficiently discharged to the outside, and the heat can be controlled by controlling the heat dissipation round frame on the baffle pull plate purpose of discharge.

Description

Composite cooling device for lithium-ion battery and lithium-ion battery system

technical field

The utility model relates to the technical field of lithium batteries, in particular to a composite cooling device for lithium ion batteries and a lithium ion battery system.

Background technique

Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Li-ion batteries do not contain metallic lithium and are rechargeable. Lithium metal batteries, the fifth generation of rechargeable batteries, were born in 1996, and their safety, specific capacity, self-discharge rate and performance-price ratio are superior to lithium-ion batteries. Due to their own high technical requirements, only a few countries are producing such lithium metal batteries.

When the lithium battery is used in some special needs, it needs to be added in quantity to form a lithium battery pack. A large amount of heat will be generated during the working process of the lithium battery pack. If the heat is not discharged in time, the life of the lithium battery will be reduced for a long time. The discharge is not efficient, and the amount of heat discharged cannot be controlled. The heat sink is prone to damage during use. After a long time of use, the heat sink will accumulate a large amount of floating and sinking, which will affect the efficiency of heat dissipation. Therefore, it is urgent to design lithium-ion batteries. The above-mentioned problems are solved with a composite cooling device and a lithium-ion battery system.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a composite cooling device for lithium-ion batteries and a lithium-ion battery system.

In order to achieve the above object, the utility model adopts the following technical solutions:

The composite cooling device for lithium-ion batteries includes a heat dissipation body, a heat dissipation side box and a casing. One side of the casing is mounted on the outer wall of the heat dissipation body through bolts. A baffle plate is slidingly connected to the inner wall of the casing. Several fan nets are installed on the outer wall of the plate through bolts. The middle part of the outer wall of the baffle plate is movably connected with a steering rod through a bearing. One end of the steering rod is welded with a heat dissipation circular frame. An adjustment handle is welded, and several partial nets are installed on the outer wall of the heat dissipation round frame through bolts, a plug-in plate is welded on one side of the heat dissipation side box, and inner tubes are welded on both sides of the heat dissipation body. In addition, a compression spring is welded inside the inner sleeve.

An outer connection plate is welded inside the plug-in board, and the inner wall of the outer connection plate is movably socketed to the outside of the inner connection cylinder.

The top of the heat dissipation body is movably plugged with a drawing plate, and the inside of the drawing plate is installed with a main cooling pipe through bolts.

Side screens are installed on the outer wall of the heat dissipation side box through bolts, and auxiliary cooling pipes are installed inside the heat dissipation side box through bolts.

A powder blocking net is installed on the inner wall of the shell through bolts, and a push-pull frame is welded on one side of the baffle plate.

Limiting plates are welded on both sides of the top and bottom of the heat dissipation body, and studs are threaded inside the limiting plate, and the bottom ends of the studs are threaded inside the plug-in plate.

Mounting strips are welded at the four corners of the outer wall of the heat dissipation body, a heat dissipation air box is welded inside the heat dissipation body, and fan cylinders are installed on both sides of the outer wall of the heat dissipation air box through bolts.

A lithium-ion battery system, including any one of the above-mentioned composite heat sinks for lithium-ion batteries.

The beneficial effects of the utility model are:

1. In this design, the baffle plate, the heat dissipation round frame and the adjustment handle can be moved by the steering rod, so that the positions of the partial net and the fan net are corresponding, and the heat in the heat dissipation body can be efficiently discharged to the outside. Through the control The heat dissipation circular frame on the baffle plate achieves the purpose of controlling heat discharge.

2. In this design, through the heat dissipation side box and the compression spring, one side of the heat dissipation side box can be pressed to the inside of the heat dissipation body, and the auxiliary cooling pipe in the heat dissipation side box can dissipate heat, and at the same time, the external plate can be pressed against the compression spring The end part of the heat dissipation side box reduces the damage of the heat dissipation side box and improves the safety of the device. At the same time, a secondary cooling pipe is installed inside the heat dissipation side box through bolts for auxiliary compound heat dissipation, which has a good heat dissipation effect.

3. In this design, through the heat dissipation air box and the drawing plate, the main cooling pipe is installed inside the drawing plate, so that the temperature of the electrical engineering maintenance lithium-ion battery next to the heat dissipation body is lowered, and the heat in the heat dissipation body is conveniently released from the heat dissipation air box. The fan in the battery blows out, further reducing the temperature of the lithium-ion battery.

4. In this design, through the set powder blocking net and installation strip, the powder blocking net is installed inside the shell, and the powder blocking net can block the external dust and other sundries during the heat dissipation process, so that the device can run smoothly. The installation strip is fixed on the heat dissipation body, which is beneficial to the arbitrary installation of the heat dissipation device as a whole.

Description of drawings

Fig. 1 is the structural representation that the utility model proposes;

Fig. 2 is a structural schematic diagram of the shell and the retaining plate proposed by the utility model;

Fig. 3 is the schematic diagram of the structure of the heat dissipation body proposed by the utility model;

Fig. 4 is a partial cross-sectional schematic diagram of the utility model.

In the figure: 1 heat dissipation body, 2 heat dissipation side box, 3 pull plate, 4 installation strip, 5 shell, 6 baffle plate, 7 heat dissipation round frame, 8 partial net, 9 adjustment handle, 10 fan net, 11 powder resistance net , 12 main cooling pipe, 13 fan cylinder, 14 heat dissipation bellows, 15 side screen, 16 secondary cooling pipe, 17 stud, 18 limit plate, 19 plug plate, 20 external plate, 21 compression spring, 22 inner tube, 23 push-pull frames, 24 steering rods.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 to Fig. 4 at the same time, the composite cooling device for lithium-ion batteries includes a cooling body 1, a cooling side box 2 and a casing 5, one side of the casing 5 is installed on the outer wall of the cooling body 1 and the inner wall of the casing 5 by bolts Slidingly connected with a baffle plate 6, the baffle plate 6 is pushed inside the shell 5, and several fan nets 10 are installed on the outer wall of the baffle plate 6 through bolts, the heat can pass through the fan net 10, and the outer wall of the baffle plate 6 The middle part of the center is movably connected with a steering rod 24 through a bearing, and one end of the steering rod 24 is welded with a heat radiation round frame 7, and the heat radiation round frame 7 moves outside the retaining pull plate 6 through the steering rod 24, and the outer wall of the heat radiation round frame 7 is welded with Adjusting handle 9, after adjusting handle 9 rotates, heat dissipation circular frame 7 can also be rotated, and the outer wall of heat dissipation circular frame 7 is provided with several partial nets 8 by bolts, and partial nets 8 move along with heat dissipation circular frame 7, when partial nets When 8 does not correspond to the position of the fan net 10, the heat is blocked in the radiating circular frame 7. After the positions of the partial net 8 and the fan net 10 are corresponding, the heat is dissipated by the cooling circular frame 7, and the heat dissipation side box 2 A plug plate 19 is welded on one side, and an inner tube 22 is welded on both sides of the cooling body 1, and a compression spring 21 is welded inside the inner tube 22, and the plug plate 19 can be inserted into the inside of the cooling body 1.

Furthermore, in this design, an external connection plate 20 is welded inside the plug-in plate 19, and the inner wall of the external connection plate 20 is movably socketed outside the inner tube 22, and the external connection plate 20 presses the compression spring 21 to deform the compression spring 21 .

Furthermore, in this design, the top of the cooling body 1 is movably connected with a drawer plate 3, and the inside of the drawer plate 3 is installed with a main cooling pipe 12 through bolts, and the main cooling pipe 12 is installed in the drawer plate 3. Can be pulled out upwards.

Further, in this design, side screens 15 are installed on the outer wall of the heat dissipation side box 2 through bolts, and the side screens 15 prevent dust from entering the heat dissipation side box 2, and the interior of the heat dissipation side box 2 is equipped with auxiliary cooling pipes through bolts 16. The auxiliary cooling pipe 16 reduces the temperature of the cooling side case 2 .

Further, in this design, the powder blocking net 11 is installed by bolts on the inner wall of the housing 5, the powder blocking screen 11 blocks the entry of external dust, and a push-pull frame 23 is welded on one side of the blocking plate 6, and the pushing-pull frame 23 makes the blocking and pulling The plate 6 moves inside the housing 5 .

Further, in this design, both sides of the top and bottom of the heat dissipation body 1 are welded with limiting plates 18, and the internal threads of the limiting plate 18 are connected with studs 17, and the bottom ends of the studs 17 are screwed to the socket plate 19. Inside, after the stud 17 is rotated, the cooling side box 2 can be installed on both sides of the cooling body 1 .

Further, in this design, the four corners of the outer wall of the heat dissipation body 1 are welded with installation strips 4, the installation strips 4 are convenient for the installation and connection of the heat dissipation body 1, the inside of the heat dissipation body 1 is welded with a heat dissipation air box 14, and the outer wall of the heat dissipation air box 14 is two Both sides are equipped with a fan cylinder 13 by bolts, and heat is blown out through the fan cylinder 13, so that the temperature of the cooling body 1 is reduced.

Working principle: personnel can install the heat dissipation body 1 at the position where the lithium battery needs to dissipate heat through the installation strip 4, and the main cooling pipe 12 installed inside the drawing plate 3 reduces the temperature next to the heat dissipation body 1, and the heat dissipation air box 14 The fan blows out the heat transmitted in the heat dissipation body 1, the personnel rotates the control adjustment handle 9, the adjustment handle 9 moves through the steering rod 24, the adjustment handle 9 makes the partial net 8 correspond to the fan net 10, and the heat can be discharged from the heat dissipation body 1, again After turning the adjustment handle 9, the local net 8 and the fan net 10 do not correspond, and the heat cannot be discharged, and the personnel pull the push-pull frame 23 to replace the powder blocking net 11. The powder blocking net 11 prevents external dust, and the cooling side box 2 presses Enter the inside of the heat dissipation body 1, turn the stud 17, so that the heat dissipation side box 2 is stabilized on the heat dissipation body 1, the auxiliary cooling pipe 16 can also perform heat dissipation, and the external connection plate 20 is pressed on the compression spring 21 to reduce the damage of the heat dissipation side box 2 .

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. Composite heat dissipation device for lithium ion battery, including heat dissipation organism (1), heat dissipation side case (2) and shell (5), its characterized in that, the outer wall at heat dissipation organism (1) is installed through the bolt in one side of shell (5), sliding connection has fender arm-tie (6) on the inner wall of shell (5), install a plurality of fan net (10) through the bolt on the outer wall of fender arm-tie (6), the centre department of keeping off arm-tie (6) outer wall has steering column (24) through bearing swing joint, the one end welding of steering column (24) has heat dissipation circle frame (7), the welding has adjustment handle (9) on the outer wall of heat dissipation circle frame (7), a plurality of local net (8) are installed through the bolt to the outer wall of heat dissipation circle frame (7), the welding of one side of heat dissipation side case (2) has organism pinboard (19), the inside of heat dissipation (1) both sides all welds and has interior compression spring (21) of interior bobbin (22), and the welding has.

2. The composite heat dissipation device for the lithium ion battery as defined in claim 1, wherein an external connection plate (20) is welded inside the insertion plate (19), and an inner wall of the external connection plate (20) is movably sleeved outside the inner connection tube (22).

3. The composite heat sink for lithium ion batteries according to claim 1, wherein a drawing plate (3) is movably inserted into the top of the heat sink body (1), and the main cooling pipes (12) are installed inside the drawing plate (3) through bolts.

4. The composite heat sink for lithium ion batteries according to claim 1, wherein the outer wall of the heat-dissipating side case (2) is provided with a side screen (15) by bolts, and the inside of the heat-dissipating side case (2) is provided with an auxiliary cooling pipe (16) by bolts.

5. The composite heat dissipation device for the lithium ion battery according to claim 1, wherein the inner wall of the housing (5) is provided with a powder blocking net (11) through bolts, and one side of the pull baffle plate (6) is welded with a push-pull frame (23).

6. The composite heat dissipation device for the lithium ion battery as defined in claim 1, wherein the top and bottom sides of the heat dissipation body (1) are welded with limiting plates (18), the limiting plates (18) are internally and threadedly connected with studs (17), and the bottom ends of the studs (17) are threadedly connected inside the plug plates (19).

7. The composite heat dissipation device for the lithium ion battery according to claim 1, wherein mounting bars (4) are welded at four corners of the outer wall of the heat dissipation machine body (1), a heat dissipation air box (14) is welded inside the heat dissipation machine body (1), and air barrels (13) are mounted on two sides of the outer wall of the heat dissipation air box (14) through bolts.

8. A lithium ion battery system comprising the composite heat sink for lithium ion batteries according to any one of claims 1 to 7.

Images