CN213401418U

CN213401418U - Outer shell of lithium cell cooling

Info

Publication number: CN213401418U
Application number: CN202022885740.1U
Authority: CN
Inventors: 甄德瑜
Original assignee: Shenzhen Yingbaichuan Technology Co ltd
Current assignee: Shenzhen Yingbaichuan Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-06-08
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses an outer shell of lithium cell cooling, battery case including square box type, be equipped with in the battery case and overlook and be oval-shaped cooling chamber, common fixedly connected with heat absorption frame between the upper and lower inner wall that cooling chamber central point put, lithium cell body has been placed in the heat absorption frame, the battery case upper end is equipped with the apron that two symmetries set up, and two laps are articulated with battery case upper end both sides respectively, two seted up between the apron and got and put the mouth, two be equipped with locking mechanical system on the apron jointly, sealed fixedly connected with division board between cooling chamber right-hand member and the heat absorption frame right flank, battery case right side fixedly connected with device case, the device is equipped with the device chamber that distributes around two, two the radiator fan is all installed to the device intracavity. The utility model discloses can carry out good heat dissipation cooling to it at the lithium cell during operation, make it keep good operating condition, can not take place the risk of overheated spontaneous combustion.

Description

Outer shell of lithium cell cooling

Technical Field

The utility model relates to a lithium cell technical field especially relates to an outer shell of lithium cell cooling.

Background

The lithium battery is a disposable battery, and because the chemical property of the lithium metal is particularly active, the lithium metal has high requirements on the environment in processing, storage and use, and along with the continuous development of modern technology, the miniaturized equipment is increased day by day, and higher requirements are provided for the power supply, so the lithium battery gradually comes into the public sight, and becomes an indispensable battery type in the prior art.

However, the existing lithium battery for the electric vehicle often emits a large amount of heat in the using process, and due to the chemical activity of lithium metal, the too high temperature environment is a potential factor causing danger of the battery, so that the temperature is reduced when the lithium battery is used, and most of the outer cladding of the existing lithium battery for the electric vehicle does not have good heat dissipation, so that the spontaneous combustion danger of the battery is increased.

Therefore, we propose a cooling outer casing of a lithium battery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery cooling outer casing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cooling outer casing of a lithium battery comprises a square box-shaped battery case, wherein a cooling cavity which is oval when viewed from above is arranged in the battery case, a heat absorption frame is fixedly connected between the upper inner wall and the lower inner wall of the central position of the cooling cavity together, a lithium battery body is placed in the heat absorption frame, two cover plates which are symmetrically arranged are arranged at the upper end of the battery case, two cover plates are respectively hinged with the two sides of the upper end of the battery case, a taking and placing opening is formed between the two cover plates, a locking mechanism is jointly arranged on the two cover plates, a separation plate is fixedly connected between the right end of the cooling cavity and the right side face of the heat absorption frame in a sealing manner, a device box is fixedly connected to the right side of the battery case and provided with two device cavities which are distributed in the front and the back, a cooling fan is arranged in each of the two device cavities, the air outlet channel and the air inlet channel are respectively positioned at the front side and the rear side of the partition plate.

Preferably, the peripheral outer wall of the heat absorption frame is fixedly connected with a plurality of radiating fins.

Preferably, the lithium battery body upper end is located the fixedly connected with handle on getting the position of putting the mouth.

Preferably, locking mechanical system is including offering at the apron right-hand member that is located left and putting the flexible groove of mouthful front and back position, flexible inslot sliding connection has the inserted bar, common fixedly connected with spring between inserted bar and the flexible groove left side inner wall, be located the right side the left end of apron and all seted up the slot on the corresponding position in two flexible grooves, stretch the one end that the spring was kept away from to the inserted bar and insert and establish in the slot, the moving groove that communicates with flexible groove just all is seted up in the top position in two flexible grooves on the flexible groove, sliding connection has the connection slide bar in the moving groove, the lower extreme and the inserted bar fixed connection of connecting the slide bar, two the upper end of connecting the slide bar all runs through moving groove and common fixedly connected with ejector pad, sliding connection between ejector pad and the apron.

Preferably, the two heat dissipation fans rotate in opposite directions.

Preferably, two be equipped with the filter screen even device chamber right side.

Compared with the prior art, the device has the advantages that:

1. through setting up two with opposite direction pivoted radiator fan, the air flow in the annular passage that cooling chamber, lithium cell body and division board formed accelerates takes out the cooling chamber with the heat that heat absorption frame and radiating fin absorbed the lithium cell body production of conduction, plays the effect of cooling lithium cell body.

2. Through setting up two apron to set up locking mechanical system on the apron, promote the ejector pad and can open the apron, change the lithium cell body in the cooling chamber, simple and convenient makes it stable be in the inside good contact heat conduction with it of heat absorption frame simultaneously, improves the refrigerated effect of heat dissipation.

To sum up, the utility model discloses can carry out good heat dissipation cooling to it at the lithium cell during operation, make it keep good operating condition, can not take place the risk of overheated spontaneous combustion.

Drawings

Fig. 1 is a perspective view of a structure of a front surface of a lithium battery cooling outer casing provided by the present invention;

fig. 2 is a perspective view of a lithium battery cooling outer casing according to the present invention;

fig. 3 is a schematic structural diagram of a lithium battery cooling outer casing overlooked according to the present invention.

In the figure: the device comprises a battery case 1, a cooling cavity 2, a lithium battery body 3, a cover plate 4, a telescopic groove 5, an inserted rod 6, a spring 7, an insertion groove 8, a pushing block 9, a moving groove 10, a connecting sliding rod 11, a lifting handle 12, a heat absorption frame 13, a heat dissipation fin 14, a device box 15, a separation plate 16, an air inlet channel 17, an air outlet channel 18, a heat dissipation fan 19 and a filter screen 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an outer casing for cooling a lithium battery, includes a square box-shaped battery case 1, a cooling chamber 2 having an oval shape when viewed from above is disposed in the battery case 1, so that the inner wall of the cooling chamber 2 is smooth, and air flows at a high speed, thereby achieving a good heat dissipation effect, a heat absorption frame 13 is fixedly connected between the upper and lower inner walls of the central position of the cooling chamber 2, a lithium battery body 3 is disposed in the heat absorption frame 13, the heat absorption frame 13 is in contact with the outer wall of the lithium battery body 3 for good heat absorption, a plurality of heat dissipation fins 14 are fixedly connected to the outer wall of the heat absorption frame 13, heat absorbed by the heat absorption frame 13 can be guided into the heat absorption frame and dissipated into the surrounding air, thereby performing heat dissipation, two cover plates 4 symmetrically disposed are disposed at the upper end of the battery case 1, a fetching opening is arranged between the two cover plates 4, a locking mechanism is jointly arranged on the two cover plates 4, the locking mechanism comprises a telescopic groove 5 which is arranged at the right end of the cover plate 4 at the left side and is arranged at the front and the back of the fetching opening, an inserting rod 6 is connected in the telescopic groove 5 in a sliding way, a spring 7 is jointly and fixedly connected between the inserting rod 6 and the inner wall at the left side of the telescopic groove 5, a slot 8 is arranged at the left end of the cover plate 4 at the right side and is arranged at the corresponding position of the two telescopic grooves 5, one end of the inserting rod 6 far away from the spring 7 is inserted in the slot 8, a moving groove 10 which is communicated with the telescopic groove 5 is arranged on the telescopic groove 5 and is arranged at the upper position of the two telescopic grooves 5, a connecting slide rod 11 is connected in the moving groove 10 in a sliding way, the lower end of the connecting slide rod 11 is fixedly connected with the inserting rod 6, the, promote ejector pad 9 left, slide to left in shifting chute 10 through connecting slide bar 11, drive inserted bar 6 and move compression spring 7 to the left, make inserted bar 6 right-hand member break away from slot 8, then can open two apron 4 upsets, conveniently change lithium cell body 3, and make its stable placing in cooling chamber 2, carry out good heat dissipation cooling work then.

A division plate 16 is fixedly connected between the right end of the cooling cavity 2 and the right side of the heat absorption frame 13 in a sealing manner, a ring channel is formed by the cooling cavity 2, the lithium battery body 3 and the division plate 16, and then heat dissipation is conveniently carried out, a device box 15 is fixedly connected to the right side of the battery shell 1, the device box 15 is provided with two device cavities which are distributed front and back, heat dissipation fans 19 are respectively installed in the two device cavities, the rotating directions of the two heat dissipation fans 19 are opposite, an air outlet channel 18 is communicated between the device cavity positioned in the front and the cooling cavity 2, an air inlet channel 17 is communicated between the device cavity positioned in the back and the cooling cavity 2, the air outlet channel 18 and the air inlet channel 17 are respectively positioned at the front side and the back side of the division plate 16, when the two heat dissipation fans 19 work simultaneously, air flows at a high speed in the oval cooling, the airflow flowing at high speed takes the heat on the radiating fins 14 away from the cooling cavity 2, so that the effect of continuously cooling the lithium battery body 3 is achieved.

Fixedly connected with handle 12 on the lithium cell body 3 upper end just is located the position of getting and putting the mouth, is convenient for take out and put down lithium cell body 3.

The right sides of the two connecting device cavities are provided with filter screens 20 to prevent external dust from entering the 2-box device grooves of the cooling cavity.

When the utility model is used, the push block 9 is pushed leftwards, the slide bar 11 slides leftwards in the moving groove 10 to drive the inserted bar 6 to move leftwards to compress the spring 7, so that the right end of the inserted bar 6 is separated from the slot 8, then the two cover plates 4 can be overturned upwards to be opened, the lithium battery body 3 is placed in the heat absorption frame 13, the cover plates 4 are covered back, the inserted bar 6 is inserted into the slot 8 under the elastic force of the spring 7, the two cover plates 4 are locked, then the lithium battery body 3 is stably positioned in the battery shell 1, the installation is simple and convenient, when the lithium battery body 3 is used for working, the two cooling fans 19 work and reversely rotate, the right end of the cooling fan 19 positioned at the rear side is a negative pressure end, the outside air is sucked and blown into the cooling cavity 2 through the air inlet channel 17, the left end of the cooling fan 19 positioned at the front end is a negative pressure end, the air in the cooling cavity 2 is blown out through the, and then two radiator fan 19 during simultaneous working, the air flows at a high speed in oval-shaped cooling chamber 2, and on heat absorption frame 13 absorbed and conducted the radiating fin 14 with the heat that lithium cell body 3 produced, the air current that flows at a high speed took away the cooling chamber 2 with the heat on the radiating fin 14 to reach the effect of continuously cooling to lithium cell body 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The outer cooling shell for the lithium battery comprises a square box-shaped battery shell (1) and is characterized in that a cooling cavity (2) which is oval when overlooked is arranged in the battery shell (1), an upper inner wall and a lower inner wall of the central position of the cooling cavity (2) are fixedly connected with a heat absorption frame (13) together, a lithium battery body (3) is placed in the heat absorption frame (13), two cover plates (4) which are symmetrically arranged are arranged at the upper end of the battery shell (1), the two cover plates (4) are hinged with the two sides of the upper end of the battery shell (1) respectively, a taking and placing opening is formed between the two cover plates (4), a locking mechanism is arranged on the two cover plates (4) together, a partition plate (16) is fixedly connected between the right end of the cooling cavity (2) and the right side surface of the heat absorption frame (13) in a sealing manner, a device box (15) is fixedly connected to, two radiator fan (19) are all installed to the device intracavity, are located the place ahead the intercommunication has air-out passageway (18) between device chamber and cooling chamber (2), be located the rear the intercommunication has inlet channel (17) between device chamber and cooling chamber (2), air-out passageway (18) and inlet channel (17) are located the front and back both sides position of division board (16) respectively.

2. The lithium battery cooling outer casing according to claim 1, wherein a plurality of heat dissipation fins (14) are fixedly connected to the peripheral outer wall of the heat absorbing frame (13).

3. The lithium battery cooling outer casing according to claim 1, wherein a handle (12) is fixedly connected to the upper end of the lithium battery body (3) at the position of the access opening.

4. The cooling outer casing for the lithium battery according to claim 1, wherein the locking mechanism comprises a telescopic slot (5) which is arranged at the right end of the cover plate (4) at the left side and is arranged at the front and rear positions of the access opening, an insertion rod (6) is slidably connected in the telescopic slot (5), a spring (7) is fixedly connected between the insertion rod (6) and the inner wall at the left side of the telescopic slot (5), the left end of the cover plate (4) at the right side is provided with slots (8) at the corresponding positions of the two telescopic slots (5), one end of the insertion rod (6) far away from the spring (7) is inserted in the slot (8), moving slots (10) communicated with the telescopic slots (5) are arranged at the upper positions of the two telescopic slots (5), and a sliding rod (11) is slidably connected in the moving slots (10), the lower extreme and inserted bar (6) fixed connection of connecting slide bar (11), two the upper end of connecting slide bar (11) all runs through shifting chute (10) and common fixedly connected with ejector pad (9), sliding connection between ejector pad (9) and apron (4).

5. The lithium battery cooling outer casing according to claim 1, wherein the two cooling fans (19) rotate in opposite directions.

6. The lithium battery cooling outer casing according to claim 1, wherein a filter screen (20) is arranged on the right side of each of the two device cavities.