CN216793773U

CN216793773U - Box type lithium battery heat dissipation device

Info

Publication number: CN216793773U
Application number: CN202122711424.7U
Authority: CN
Inventors: 祝兰芳; 祝慧婷; 韩富林; 胡艳冰
Original assignee: Xuanyu Energy Technology Co ltd
Current assignee: Xuanyu Energy Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-21
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a box type lithium battery heat dissipation device. Box formula lithium cell heat abstractor includes: the battery box comprises a battery box body, two battery brackets and a heat dissipation mechanism, wherein the two battery brackets are fixedly arranged in the battery box body; the heat dissipation mechanism comprises semiconductor refrigeration pieces, four supporting columns, a ventilation box, a mounting plate, a heat dissipation motor and two air dissipation mechanisms, wherein the semiconductor refrigeration pieces are fixedly mounted on the battery box body, the supporting columns are fixedly mounted on the inner wall of the top of the battery box body, and the ventilation box is fixedly mounted at the bottom ends of the four supporting columns. The box type lithium battery heat dissipation device provided by the utility model has the advantages that the lithium battery can be uniformly dissipated, and the service life of the battery is prolonged.

Description

Box type lithium battery heat dissipation device

Technical Field

The utility model belongs to the technical field of lithium batteries, and particularly relates to a box type lithium battery heat dissipation device.

Background

The battery box is a battery pack consisting of a plurality of single batteries, a box body, a battery management system, relevant installation structural members (equipment) and the like, and is provided with a battery box structure, battery box monitoring equipment, battery box connectors, battery box environmental control equipment and the like which meet the standard, and the types of the battery boxes are mainly distinguished according to the specification number and the placement mode of the batteries. Generally, the storage batteries are different in number in three categories, namely, a discrete type, a horizontal type and a hand-operated type.

However, in the prior art, the lithium battery is subjected to chemical reaction inside the battery during discharging, a large amount of heat energy is generated, the temperature of the battery is increased, the heat dissipation device for most batteries is simple, uniform heat dissipation cannot be performed, and the heat dissipation effect of one side or local part of the battery is poor easily.

Therefore, there is a need to provide a new box type lithium battery heat sink to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a box type lithium battery heat dissipation device which can uniformly dissipate heat of a lithium battery and prolong the service life of the battery.

In order to solve the technical problem, the box type lithium battery heat dissipation device provided by the utility model comprises a battery box body, two battery supports and a heat dissipation mechanism, wherein the two battery supports are fixedly arranged in the battery box body; the heat dissipation mechanism comprises a semiconductor refrigeration sheet, four supporting columns, a ventilation box, a mounting plate, a heat dissipation motor and two air dissipation mechanisms, wherein the semiconductor refrigeration sheet is fixedly mounted on the battery box body, the four supporting columns are all fixedly mounted on the inner wall of the top of the battery box body, the ventilation box is fixedly mounted at the bottom ends of the four supporting columns, the mounting plate is fixedly mounted in the ventilation box, the heat dissipation motor is fixedly mounted on the mounting plate, the air dissipation mechanism comprises a connecting pipe, a mounting pipe, an air dissipation pipe, a rotating rod, a motor, a residual wheel, a gear and a torsional spring, the connecting pipe is fixedly mounted on the ventilation box, the mounting pipe is fixedly mounted on the connecting pipe, the air dissipation pipe is rotatably mounted in the mounting pipe, the bottom end of the air dissipation pipe extends out of the mounting pipe, the air dissipation pipe is rotatably connected with the two battery supports, the rotating rod is rotatably mounted in the connecting pipe, the top of dwang extends to outside the connecting tube, the bottom of dwang and the bottom inner wall fixed connection who looses the tuber pipe, the motor sets up in the battery box, incomplete round fixed cover is on the output shaft of motor, the fixed cover of gear is established on the dwang, the gear meshes with incomplete round mutually, torsional spring movable sleeve establishes on the dwang, the bottom and the connecting pipe fixed connection of torsional spring, the top and the gear fixed connection of torsional spring.

As a further scheme of the utility model, an arc block is fixedly installed on the rotating rod, a limit groove is formed on the arc block, a limit block is fixedly installed on the inner wall of the air dispersing pipe, and one side of the limit block extends into the limit groove and is in sliding connection with the inner wall of the limit groove.

As a further scheme of the utility model, a plurality of first ventilation openings are formed in the air dispersing pipe, and a plurality of second ventilation openings are formed in both the battery supports.

As a further scheme of the utility model, a base is fixedly arranged on the inner wall of the top of the battery box body, and the bottom of the base is fixedly connected with the motor.

As a further scheme of the utility model, batteries are evenly distributed on the two battery supports, and the output shaft of the heat dissipation motor is fixedly provided with the air guide fan blade.

As a further scheme of the utility model, a round hole is formed in the connecting pipe, and the rotating rod penetrates through the round hole and is rotatably connected with the inner wall of the round hole. .

Compared with the prior art, the box type lithium battery heat dissipation device provided by the utility model has the following beneficial effects:

1. according to the utility model, the heat dissipation mechanism and the air dissipation mechanism are arranged, so that the semiconductor refrigeration sheet is started to exchange heat in the battery box body, the heat dissipation motor is started to conduct cold air to the battery for heat dissipation in a convection manner, and the air dissipation pipe can be rotated back and forth by a certain angle by starting the motor, thus the heat dissipation area is enlarged, and the lithium battery cooling device has the advantages of being capable of uniformly dissipating heat for the lithium battery and prolonging the service life of the battery.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic front sectional view of a box-type lithium battery heat dissipation device according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is an assembly view of the air-dissipating tube, the rotating rod, the arc block, the limiting groove and the limiting block of the box-type lithium battery heat-dissipating device of the present invention;

fig. 5 is an assembly view of the rotating lever 9, the stub wheel 11 and the gear 12 of the case type lithium battery heat sink according to the present invention.

In the figure: 1. a battery case; 2. a battery holder; 3. a semiconductor refrigeration sheet; 4. a pillar; 5. a ventilation box; 501. mounting a plate; 502. a heat dissipation motor; 6. a connecting pipe; 7. installing a pipe; 8. a wind dispersing pipe; 9. rotating the rod; 10. a motor; 11. a residual wheel; 12. a gear; 13. a torsion spring; 14. an arc block; 15. a limiting groove; 16. and a limiting block.

Detailed Description

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic front sectional view of a box-type lithium battery heat dissipation device according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; FIG. 3 is an enlarged schematic view of the portion B in FIG. 1; FIG. 4 is an assembly view of the air-dissipating tube, the rotating rod, the arc block, the limiting groove and the limiting block of the box-type lithium battery heat-dissipating device of the present invention; fig. 5 is an assembly view of the rotating lever 9, the stub wheel 11 and the gear 12 of the case type lithium battery heat sink according to the present invention. The box type lithium battery heat dissipation device comprises a battery box body 1, two battery supports 2 and a heat dissipation mechanism, wherein the two battery supports 2 are fixedly arranged in the battery box body 1, and the heat dissipation mechanism is arranged on the battery box body 1; the heat dissipation mechanism comprises a semiconductor refrigeration sheet 3, four pillars 4, a ventilation box 5, a mounting plate 501, a heat dissipation motor 502 and two air dissipation mechanisms, wherein the semiconductor refrigeration sheet 3 is fixedly mounted on a battery box body 1, the four pillars 4 are fixedly mounted on the inner wall of the top of the battery box body 1, the ventilation box 5 is fixedly mounted at the bottom ends of the four pillars 4, the mounting plate 501 is fixedly mounted in the ventilation box 5, the heat dissipation motor 502 is fixedly mounted on the mounting plate 501, the air dissipation mechanism comprises a connecting pipe 6, a mounting pipe 7, an air dissipation pipe 8, a rotating rod 9, a motor 10, a residual wheel 11, a gear 12 and a torsion spring 13, the connecting pipe 6 is fixedly mounted on the ventilation box 5, the mounting pipe 7 is fixedly mounted on the connecting pipe 6, the air dissipation pipe 8 is rotatably mounted in the mounting pipe 7, and the bottom end of the air dissipation pipe 8 extends out of the mounting pipe 7, scattered tuber pipe 8 rotates with two battery support 2 to be connected, dwang 9 rotates and installs in connecting pipe 6, outside the top of dwang 9 extended to connecting pipe 6, the bottom of dwang 9 and the bottom inner wall fixed connection who scatters tuber pipe 8, motor 10 sets up in

battery box

1, 11 fixed covers of incomplete wheel are on motor 10's output shaft, the fixed cover of gear 12 is established on dwang 9, gear 12 meshes with incomplete wheel 11 mutually, the movable sleeve of torsional spring 13 is established on dwang 9, the bottom and the 6 fixed connection of connecting pipe of torsional spring 13, torsional spring 13's top and gear 12 fixed connection.

As shown in fig. 3 and 4, an arc block 14 is fixedly mounted on the rotating rod 9, a limiting groove 15 is formed in the arc block 14, a limiting block 16 is fixedly mounted on the inner wall of the air dispersing pipe 8, and one side of the limiting block 16 extends into the limiting groove 15 and is connected with the inner wall of the limiting groove 15 in a sliding manner.

Under mutually supporting through arc piece 14, spacing groove 15 and stopper 16, make dwang 9 rotate and drive spacing groove 15 and rotate to make stopper 16 can support the both sides inner wall of spacing groove 15 when dwang 9 makes a round trip to rotate, avoid not having spacing messenger torsional spring 13 release torsion to cause and make a round trip to rock.

As shown in fig. 1 and 2, a plurality of first ventilation openings are formed in the air dispersing pipe 8, and a plurality of second ventilation openings are formed in both of the battery supports 2.

As shown in fig. 1, a base is fixedly mounted on the inner wall of the top of the battery box 1, and the bottom of the base is fixedly connected with a motor 10.

As shown in fig. 1, batteries are evenly distributed on the two battery holders 2, and a fan blade is fixedly mounted on an output shaft of the heat dissipation motor 502.

Under the mutual cooperation of heat dissipation motor 502 and air guide fan leaf, make heat dissipation motor 502 drive the rotation of air guide fan leaf, with the cold air that semiconductor refrigeration piece 3 produced, conduct and cool down on the battery, make the inside air circulation of battery box 1 simultaneously flow.

As shown in fig. 2, a circular hole is formed in the connecting pipe 6, and the rotating rod 9 penetrates through the circular hole and is rotatably connected with the inner wall of the circular hole.

The working principle of the box type lithium battery heat dissipation device provided by the utility model is as follows:

the first step is as follows: as shown in fig. 1, the surface of the bottom of the semiconductor refrigeration piece 3 is a refrigeration surface, the surface of the top of the semiconductor refrigeration piece 3 is a heat exchange surface, the semiconductor refrigeration piece 3 is started to exchange heat with the battery box body 1, the heat dissipation motor 502 is started to drive the air guide fan blade to rotate, the air guide fan blade generates cold air on the refrigeration surface of the bottom of the semiconductor refrigeration piece 3, the cold air is guided into the symmetrical connecting pipe 6, the mounting pipe 7 and the air dissipation pipe 8, and the cold air is discharged through the first ventilation opening to form cold air convection to dissipate heat of the battery;

the second step: when needs carry out even heat dissipation, starter motor 10 drives incomplete wheel 11 and rotates, and incomplete wheel 11 drives gear 12 and rotates, and gear 12 drives dwang 9 and rotates, and dwang 9 drives scattered tuber pipe 8 and rotates, and torsional spring 13 produces torsion simultaneously, and when incomplete wheel 11 rotated and did not give gear 12 meshing, the torsion release made dwang 9 gyration to scattered tuber pipe 8 carries out the rotation back and forth of fixed angle, made the heat radiating area of cold air bigger, thereby evenly fans heat to the battery.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, which are to be included in the scope of the utility model as defined in the claims.

Claims

1. A box type lithium battery heat dissipation device is characterized by comprising:

the battery box comprises a battery box body, two battery brackets and a heat dissipation mechanism, wherein the two battery brackets are fixedly arranged in the battery box body;

the heat dissipation mechanism comprises a semiconductor refrigeration sheet, four supporting columns, a ventilation box, a mounting plate, a heat dissipation motor and two air dissipation mechanisms, wherein the semiconductor refrigeration sheet is fixedly mounted on the battery box body, the four supporting columns are all fixedly mounted on the inner wall of the top of the battery box body, the ventilation box is fixedly mounted at the bottom ends of the four supporting columns, the mounting plate is fixedly mounted in the ventilation box, the heat dissipation motor is fixedly mounted on the mounting plate, the air dissipation mechanism comprises a connecting pipe, a mounting pipe, an air dissipation pipe, a rotating rod, a motor, a residual wheel, a gear and a torsional spring, the connecting pipe is fixedly mounted on the ventilation box, the mounting pipe is fixedly mounted on the connecting pipe, the air dissipation pipe is rotatably mounted in the mounting pipe, the bottom end of the air dissipation pipe extends out of the mounting pipe, the air dissipation pipe is rotatably connected with the two battery supports, the rotating rod is rotatably mounted in the connecting pipe, the top of dwang extends to outside the connecting tube, the bottom of dwang and the bottom inner wall fixed connection who looses the tuber pipe, the motor sets up in the battery box, incomplete round fixed cover is on the output shaft of motor, the fixed cover of gear is established on the dwang, the gear meshes with incomplete round mutually, torsional spring movable sleeve establishes on the dwang, the bottom and the connecting pipe fixed connection of torsional spring, the top and the gear fixed connection of torsional spring.

2. The box type lithium battery heat sink according to claim 1, wherein: fixed mounting has the arc piece on the dwang, the spacing groove has been seted up on the arc piece, fixed mounting has the stopper on the inner wall of scattered tuber pipe, one side of stopper extend to the spacing inslot and with the inner wall sliding connection of spacing groove.

3. The case type lithium battery heat sink as claimed in claim 1, wherein: a plurality of first ventilation openings are formed in the air dispersing pipe, and a plurality of second ventilation openings are formed in the battery supports.

4. The case type lithium battery heat sink as claimed in claim 1, wherein: the battery box is characterized in that a base is fixedly mounted on the inner wall of the top of the battery box, and the bottom of the base is fixedly connected with the motor.

5. The case type lithium battery heat sink as claimed in claim 1, wherein: batteries are evenly distributed on the two battery supports, and a fan guide blade is fixedly mounted on an output shaft of the heat dissipation motor.

6. The case type lithium battery heat sink as claimed in claim 1, wherein: the connecting pipe is provided with a round hole, and the rotating rod penetrates through the round hole and is rotatably connected with the inner wall of the round hole.