CN218448105U

CN218448105U - Power lithium battery with strong heat dissipation performance

Info

Publication number: CN218448105U
Application number: CN202222370201.3U
Authority: CN
Inventors: 丁小平; 赖强
Original assignee: Huizhou Changsheng Technology Co ltd
Current assignee: Huizhou Changsheng Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-03
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a power lithium cell that heat dispersion is strong, which comprises a housin, the bottom four corners department of casing all installs and fills up the foot, quantity has been seted up at the top of casing and has been connect the electric mouth for the three, the inside of casing is provided with heat dissipation mechanism, the inside of casing is provided with lithium cell body. This power lithium cell that heat dispersion is strong, through setting up heat dissipation mechanism, at the work, the fin through the inner wall setting at the casing, make fin bottom coating's heat conduction silicone grease laminate with lithium cell body's roof mutually simultaneously, thereby make lithium cell body in the timely transmission of the heat that the work produced to the fin, lithium cell body can be adsorbed by the heat absorption piece at the produced heat of work simultaneously, at this moment all pass through the wire electricity with lithium cell body through semiconductor refrigeration piece and fan and be connected, make semiconductor refrigeration piece and fan and lithium cell body synchronous working, to air cooling around under the effect of heat transfer through semiconductor refrigeration piece during operation.

Description

Power lithium battery with strong heat dissipation performance

Technical Field

The utility model relates to a lithium cell technical field specifically is a power lithium cell that heat dispersion is strong.

Background

Lithium batteries, which are batteries using lithium metal or lithium alloy as positive/negative electrode materials and using non-aqueous electrolyte solution, have very high environmental requirements for processing, storage and use of lithium metal due to the very active chemical properties of lithium metal, and have become the mainstream along with the development of scientific technology.

At present, the heat dissipation speed of a common lithium battery on the market is low, and the situation of scalding can occur in long-time use, so that the situation that the lithium battery is overheated and the like easily occurs in the long-time use process of the lithium battery, the work efficiency of the lithium battery is directly reduced, the danger of explosion and the like can be seriously caused, people are not comfortable to use, and the power lithium battery with high heat dissipation performance is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a power lithium cell that heat dispersion is strong possesses advantages such as the radiating effect is good, and it is slower to have solved general lithium cell radiating rate, and the condition that scalds can appear in long-time use to lead to the lithium cell to appear the lithium cell condition such as overheated very easily in long-time use, the direct work efficiency who leads to the lithium cell reduces, seriously still can lead to dangerous problems such as explosion.

In order to achieve the above object, the utility model provides a following technical scheme: a power lithium battery with strong heat dissipation performance comprises a shell, wherein four corners of the bottom of the shell are provided with pad feet, the top of the shell is provided with three electric interfaces, a heat dissipation mechanism is arranged inside the shell, and a lithium battery body is arranged inside the shell;

the heat dissipation mechanism comprises a heat insulation plate and every two heat insulation plates are arranged between the lithium battery bodies, every two heat conduction plates are vertically installed between the lithium battery bodies, the top of each heat conduction plate is provided with a silica gel heat conduction sheet, the top of each silica gel heat conduction sheet is provided with a nano carbon copper foil, the right side outer surface of each lithium battery panel body is provided with a heat absorption sheet, a semiconductor refrigeration sheet is arranged on the right side outer surface of the shell, the left side of each semiconductor refrigeration sheet is provided with a fan, heat dissipation fins are installed on the inner top wall and the inner bottom wall of the shell, and heat dissipation holes with the number being two are formed in the left side outer surface of the shell.

Preferably, the lower surface of the foot pad is provided with an anti-skid layer, the anti-skid layer is composed of an anti-skid rubber mat and anti-skid lines, and the lower surface of the foot pad is fixedly connected with the anti-skid rubber mat.

Preferably, the right side surface of the shell is provided with a vent, and the fan and the semiconductor refrigeration piece are both located inside the vent.

Preferably, a heat-conducting plate, a silica gel heat-conducting plate and a nano carbon copper foil are arranged between every two lithium battery bodies.

Preferably, the lithium battery body and the shell are fixedly installed, and the two radiating fins are located at the top and the bottom of the lithium battery body.

Preferably, the semiconductor refrigeration piece and the fan are electrically connected with the lithium battery body through a wire, the outer surface of one side, opposite to the radiating fin, is coated with heat-conducting silicone grease, and the heat-conducting silicone grease is in contact with the lithium battery body.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this power lithium cell that heat dispersion is strong, through setting up heat dissipation mechanism, at the time of the operation, through the fin that the inner wall at the casing set up, make fin bottom coated heat conduction silicone grease laminate with lithium cell's roof mutually, thereby make lithium cell in the timely transmission of the heat that the during operation produced to the fin, lithium cell can be adsorbed by the heat-absorbing fin at the during operation produced heat, at this moment, all pass through the wire electricity with lithium cell with the fan and be connected, thereby make semiconductor refrigeration piece and fan and lithium cell synchronous working, cool off around the air under the effect of heat transfer through semiconductor refrigeration piece during operation, and carry the inside of casing through the air after the fan will cool off, thereby make the fin carry out the heat exchange, and then cool off lithium cell, make the inside of casing form the circulation of air through the louvre simultaneously, mention radiating efficiency, can effectually prolong lithium cell's life, through installing the heat-conducting plate between per two sets of lithium cell, silica gel and nanometer carbon copper foil, make lithium cell's radiating effect obtain promoting, thereby the relatively poor radiating effect of the device has been guaranteed, the condition that lithium cell causes the battery performance to reduce has been avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is an enlarged view of the structure of the local heat dissipation mechanism of the present invention.

In the figure: 1. a housing; 2. a foot pad; 3. an electric connection port; 4. a heat dissipation mechanism; 401. a heat insulation plate; 402. a heat conducting plate; 4021. a silica gel heat conducting sheet; 4022. a nanocarbon copper foil; 403. a heat absorbing sheet; 404. a semiconductor refrigerating sheet; 405. a fan; 406. a heat sink; 407. heat dissipation holes; 5. lithium cell body.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the power lithium battery with strong heat dissipation performance in the present embodiment includes a casing 1, four corners of the bottom of the casing 1 are all provided with pads 2, the top of the casing 1 is provided with three power connection ports 3, and the power connection ports 3 are arranged to be communicated with an external power supply, so as to facilitate external connection of an electrical device to a lithium battery body 5, a heat dissipation mechanism 4 is arranged inside the casing 1, and the lithium battery body 5 is arranged inside the casing 1;

heat dissipation mechanism 4 includes heat insulating board 401, be provided with heat insulating board 401 between per two lithium cell 5, vertical heat-conducting plate 402 of installing between per two lithium cell 5, the top of heat-conducting plate 402 is provided with silica gel conducting strip 4021, it has good elasticity and resilience to set up silica gel conducting strip 4021, can adapt to pressure, temperature variation, have suitable compliance, the contact surface can laminate well, silica gel conducting strip 4021's top is provided with nanometer carbon copper foil 4022, lithium cell 5's right side surface is provided with heat absorbing sheet 403, be provided with semiconductor refrigeration piece 404 on casing 1's the right side surface, the left side of semiconductor refrigeration piece 404 is provided with fan 405, fin 406 is all installed with interior diapire to casing 1's interior roof, the louvre 407 louvre that quantity is two is seted up to casing 1's left side surface, 407 louvre can make casing 1 form the effect of an air circulation, mention the quick radiating purpose of lithium cell 407.

When in implementation, the method comprises the following steps:

1) Firstly, the heat generated by the lithium battery body 5 during operation is timely transferred to the heat sink 406;

2) Then, the semiconductor chilling plate 404 and the fan 405 work synchronously with the lithium battery body 5, the semiconductor chilling plate 404 cools the surrounding air under the action of heat transfer when working, and the fan 405 conveys the cooled air to the inside of the shell 1, so that the heat radiating fins 406 exchange heat;

3) The heat dissipation holes 407 allow the inside of the housing 1 to be ventilated, thereby improving the heat dissipation efficiency.

In summary, the power lithium battery with strong heat dissipation performance is provided with the heat dissipation mechanism 4, when the power lithium battery works, the heat dissipation device is arranged on the inner wall of the shell 1 through the heat dissipation sheet 406, and the heat conduction silicone grease coated on the bottom of the heat dissipation sheet 406 is attached to the top wall of the lithium battery body 5, so that heat generated by the lithium battery body 5 during working is timely transmitted to the heat dissipation sheet 406, and meanwhile, the heat generated by the lithium battery body 5 during working can be absorbed by the heat absorption sheet 403, at this time, the semiconductor refrigeration sheet 404 and the fan 405 are both electrically connected with the lithium battery body 5 through wires, so that the semiconductor refrigeration sheet 404 and the fan 405 work synchronously with the lithium battery body 5, ambient air is cooled under the action of heat transfer when the semiconductor refrigeration sheet 404 works, and the cooled air is conveyed to the inside of the shell 1 through the fan 405, so that the heat dissipation sheet 406 performs heat exchange, and then the lithium battery body 5 is cooled, meanwhile, air circulation is formed inside the shell 1 through the fan 407, the heat dissipation efficiency of the clamping block is high, the service life of the lithium battery body 5 can be effectively prolonged, and the heat dissipation effect of the lithium battery body is ensured, and the poor heat dissipation device is avoided, and the occurrence of the lithium battery body is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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 without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power lithium cell that heat dispersion is strong, includes casing (1), its characterized in that: the bottom four corners of the shell (1) are respectively provided with a pad (2), the top of the shell (1) is provided with three power connection ports (3), a heat dissipation mechanism (4) is arranged inside the shell (1), and a lithium battery body (5) is arranged inside the shell (1);

heat dissipation mechanism (4) include heat insulating board (401), per two be provided with heat insulating board (401), per two between lithium cell (5) vertical heat-conducting plate (402) of installing between lithium cell (5), the top of heat-conducting plate (402) is provided with silica gel conducting strip (4021), the top of silica gel conducting strip (4021) is provided with nanometer carbon copper foil (4022), the right side surface of lithium cell (5) is provided with heat absorbing sheet (403), be provided with semiconductor refrigeration piece (404) on the right side surface of casing (1), the left side of semiconductor refrigeration piece (404) is provided with fan (405), fin (406) are all installed with interior diapire to the interior roof of casing (1), louvre (407) that quantity is two are seted up to the left side surface of casing (1).

2. The power lithium battery with strong heat dissipation performance as recited in claim 1, wherein: the lower surface of the foot pad (2) is provided with an anti-skid layer, the anti-skid layer is composed of an anti-skid rubber mat and anti-skid lines, and the lower surface of the foot pad (2) is fixedly connected with the anti-skid rubber mat.

3. The lithium power battery with high heat dissipation performance as recited in claim 1, wherein: the right side surface of casing (1) has seted up the vent, fan (405) and semiconductor refrigeration piece (404) all are located the inside of vent.

4. The lithium power battery with high heat dissipation performance as recited in claim 1, wherein: a heat conducting plate (402), a silica gel heat conducting sheet (4021) and a nano carbon copper foil (4022) are arranged between every two lithium battery bodies (5).

5. The lithium power battery with high heat dissipation performance as recited in claim 1, wherein: the lithium battery body (5) and the shell (1) are fixedly installed, and the two radiating fins (406) are located at the top and the bottom of the lithium battery body (5).

6. The lithium power battery with high heat dissipation performance as recited in claim 1, wherein: the semiconductor refrigerating sheet (404) and the fan (405) are electrically connected with the lithium battery body (5) through a wire, the outer surface of one side, opposite to the radiating sheet (406), of the semiconductor refrigerating sheet is coated with heat-conducting silicone grease, and the heat-conducting silicone grease is in contact with the lithium battery body (5).