CN210296475U

CN210296475U - Lithium battery capable of rapidly dissipating heat

Info

Publication number: CN210296475U
Application number: CN201921710039.7U
Authority: CN
Inventors: 徐鲜花; 况磊
Original assignee: Guangdong Chaodian New Energy Co ltd
Current assignee: Guangdong Chaodian New Energy Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-04-10
Anticipated expiration: 2029-10-14

Abstract

The utility model relates to a lithium cell technical field just discloses a can quick radiating lithium cell, including lithium cell body. This ability quick radiating lithium cell, the heat that produces the lithium cell is whole to be absorbed through heat conduction silica gel, the heat transmits the copper through the telescopic link of inside air and copper, the copper is again with heat transmission for heating panel and its inside heat absorption liquid, the bellied heat radiating area that has increased the heating panel that sets up, promote rate of heat dissipation, heat absorption liquid is water, the speed that inside heat was absorbed has been accelerated, and through the setting of heat pipe, absorb the heat of water, make water cooling, thereby can continue to absorb inside heat, the heat of heat pipe is then absorbed by heat-conducting medium, heat-conducting medium is acetone solution, be heated the back vaporization, the other end that removes to the heat pipe after the vaporization receives the cold liquefaction, the rate of conduction that utilizes vaporization heat absorption and liquefaction radiating physical property of liquefaction to have promoted inside heat by a wide margin and the rate of giving off, the good mesh.

Description

Lithium battery capable of rapidly dissipating heat

Technical Field

The utility model relates to a lithium cell technical field specifically is a can quick radiating lithium cell.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high environmental requirements on processing, storage and use due to the very active chemical characteristics of the lithium metal.

Lithium cell in the existing market is various, but the ubiquitous poor defect of radiating effect that has all, ordinary lithium cell is closely wrapped up by the shell, and the heat dissipation space of outflow is very narrow and small, does not have other supplementary heat radiation structure yet, leads to the lithium cell heat to obtain effectual giving off, works under high temperature for a long time, can reduce the life of lithium cell, so proposes a lithium cell that can dispel the heat fast and solves the above-mentioned problem that provides.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a can quick radiating lithium cell possesses advantages such as heat dispersion is good, has solved ordinary lithium cell and has closely wrapped up by the shell, and the heat dissipation space of outflow is very narrow and small, does not have other supplementary heat radiation structure yet, leads to the lithium cell heat to obtain effectual giving off, works under high temperature for a long time, can reduce the life's of lithium cell problem.

(II) technical scheme

For realizing the good purpose of above-mentioned heat dispersion, the utility model provides a following technical scheme: a lithium battery capable of quickly dissipating heat comprises a lithium battery body, wherein heat-conducting silica gel is fixedly mounted on the outer side of the lithium battery body, springs are fixedly mounted on the left side and the right side of the heat-conducting silica gel, copper plates are fixedly mounted on the opposite sides of the springs, heat-dissipating plates are fixedly mounted on the opposite sides of the copper plates, protrusions are fixedly mounted on the opposite sides of the heat-dissipating plates, a heat-absorbing liquid is filled in the heat-dissipating plates, heat pipes are fixedly mounted on the opposite sides of the copper plates and the outer sides of the heat-dissipating plates, a heat-conducting medium is filled in the heat pipes, a telescopic rod is fixedly mounted between the copper plates and the opposite sides of the heat-conducting silica gel, heat-dissipating fins are fixedly mounted on the outer sides of the telescopic rods, a bottom plate is fixedly mounted at, the inside of mounting groove and the equal fixed mounting in the left and right sides that is located lithium cell body have the elasticity piece, the louvre has been seted up to the bottom of bottom plate, lithium cell body's top movable mounting has the roof, lithium cell body's top and the top fixed mounting that is located the roof have the electrode, the outside of electrode and the top fixed mounting that is located the roof have the tighrening ring.

Preferably, the number of the springs is six, and the six springs are uniformly distributed on the left side and the right side of the heat-conducting silica gel.

Preferably, the heat absorption liquid is water, the heat dissipation plate is an aluminum plate with a hollow inner part, and the heat conduction medium is an acetone solution.

Preferably, the telescopic rod consists of a sleeve and a loop bar, the loop bar is movably arranged on the inner side of the sleeve, and the sleeve and the loop bar are both copper tubes.

Preferably, the width of the lithium battery body is smaller than that of the mounting groove, and the length of the bottom plate is equal to that of the top plate.

Preferably, the number of the heat dissipation holes is twenty, and the twenty heat dissipation holes are uniformly distributed at the bottom of the base plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a can quick radiating lithium cell possesses following beneficial effect:

1. the lithium battery capable of rapidly dissipating heat is wrapped outside a lithium battery body through heat-conducting silica gel, heat generated by the lithium battery is completely absorbed, the heat is transmitted to a copper plate through internal air and a copper telescopic rod, the copper plate transmits the heat to a heat dissipation plate and a heat absorption liquid inside the heat dissipation plate, the heat dissipation area of the heat dissipation plate is increased due to the raised arrangement, the heat dissipation rate is improved, the heat absorption liquid is water, the heat absorption liquid has good heat conduction capacity, the speed of absorbing the internal heat is accelerated, the heat of the water is absorbed through the arrangement of a heat pipe, the water is cooled, the internal heat can be continuously absorbed, the heat of the heat pipe is absorbed by a heat-conducting medium, the heat-conducting medium is an acetone solution, the acetone solution is vaporized after being heated, the acetone solution is moved to the other end of the heat pipe to be cooled and liquefied after being vaporized, and the, the purpose of good heat dispersion is achieved.

2. This can quick radiating lithium cell, through the setting of heat conduction silica gel and spring, both alleviateed the vibrations that the lithium cell received in the electric motor car, elasticity through heat conduction silica gel and spring also makes two copper extrude each other, make the inside air flow accelerate, exchange with external gas through the louvre, realize radiating purpose, setting through mounting groove and elastic block, provide the shock attenuation space for the lithium cell body, and the setting through the fin, when vibrations take place in inside, the telescopic link is constantly flexible, make the fin constantly shake, the vibrations that a plurality of fins produced have further accelerated the inside air flow, heat dissipation rate has been accelerated, the good mesh of heat dissipation performance has been reached.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 lithium battery body, 2 heat conduction silica gel, 3 springs, 4 copper plates, 5 heat dissipation plates, 6 bulges, 7 heat absorption liquid, 8 heat pipes, 9 heat conduction media, 10 telescopic rods, 11 heat dissipation fins, 12 bottom plates, 13 mounting grooves, 14 elastic blocks, 15 heat dissipation holes, 16 top plates, 17 electrodes and 18 fastening rings.

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 work belong to the protection scope of the present invention.

Referring to fig. 1, a lithium battery capable of fast heat dissipation includes a lithium battery body 1, a heat conductive silica gel 2 is fixedly mounted on the outer side of the lithium battery body 1, springs 3 are fixedly mounted on the left and right sides of the heat conductive silica gel 2, the number of the springs 3 is six, the six springs 3 are uniformly distributed on the left and right sides of the heat conductive silica gel 2, copper plates 4 are fixedly mounted on the opposite sides of the springs 3, heat dissipation plates 5 are fixedly mounted on the opposite sides of the copper plates 4, protrusions 6 are fixedly mounted on the opposite sides of the heat dissipation plates 5, a heat absorption liquid 7 is filled in the heat dissipation plates 5, heat pipes 8 are fixedly mounted on the opposite sides of the copper plates 4 and on the outer sides of the heat dissipation plates 5, a heat conductive medium 9 is filled in the heat pipes 8, the heat absorption liquid 7 is water, the specific heat capacity of water is large, the heat conductive liquid is, the heat can be dissipated to the outside air through the aluminum plate, the heat-conducting medium 9 is an acetone solution, the acetone solution has a low boiling point and is easy to vaporize, the heat absorption and the liquefied heat dissipation physical properties are utilized, the heat absorption and the heat transfer can be accelerated, the telescopic rod 10 is fixedly installed between the copper plate 4 and one side opposite to the heat-conducting silica gel 2, the heat-conducting silica gel 2 wraps the outside of the lithium battery body 1, the heat generated by the lithium battery is completely absorbed, the heat is transferred to the copper plate 4 through the inside air and the copper telescopic rod 10, the copper plate 4 transfers the heat to the heat-absorbing plate 5 and the heat-absorbing liquid 7 inside the heat-absorbing plate 5, the heat dissipation area of the heat-absorbing plate 5 is increased through the arrangement of the bulge 6, the heat dissipation rate is increased, the heat absorption liquid 7 is water, the heat-conducting capacity is good, thereby, the heat of the heat pipe 8 can be continuously absorbed, the heat of the heat pipe 8 is absorbed by the heat conducting medium 9, the heat conducting medium 9 is acetone solution, the acetone solution is vaporized after being heated, the acetone solution moves to the other end of the heat pipe 8 after being vaporized to be liquefied by cooling, the heat conduction rate and the dissipation rate of the internal heat are greatly improved by utilizing the physical properties of vaporization heat absorption and liquefaction heat dissipation, and the purpose of good heat dissipation performance is achieved, the telescopic rod 10 consists of a sleeve and a sleeve rod, the sleeve rod is movably installed on the inner side of the sleeve, the sleeve and the sleeve rod are copper pipes, the copper pipes have strong heat conduction capability and higher hardness than aluminum, the heat pipe can play a role of supporting the inside and can also play a role of auxiliary heat conduction, the heat dissipation fins 11 are fixedly installed on the outer side of the telescopic rod 10, the bottom plate 12 is fixedly installed on the bottom of the copper plate 4 and the bottom of the heat dissipation plate 5, the, the bottom of the bottom plate 12 is provided with twenty heat dissipation holes 15, the twenty heat dissipation holes 15 are uniformly distributed at the bottom of the bottom plate 12, the top of the lithium battery body 1 is movably provided with a top plate 16, the width of the lithium battery body 1 is smaller than that of the mounting groove 13, the length of the bottom plate 12 is equal to that of the top plate 16, the top of the lithium battery body 1 and the top of the top plate 16 are fixedly provided with electrodes 17, the outer sides of the electrodes 17 and the top of the top plate 16 are fixedly provided with fastening rings 18, through the arrangement of the heat conduction silica gel 2 and the springs 3, the vibration of the lithium battery in the electric vehicle is reduced, the two copper plates 4 are mutually extruded through the elasticity of the heat conduction silica gel 2 and the springs 3, the internal air flow is accelerated, the heat dissipation purpose is realized through the exchange of the heat dissipation holes 15 and the external air, through the, for lithium cell body 1 provides the shock attenuation space, and through the setting of fin 11, when vibrations take place in inside, telescopic link 10 is constantly flexible for fin 11 constantly shakes, and the vibrations that a plurality of fins 11 produced have further accelerated inside air flow for heat dissipation rate has reached the purpose that heat dispersion is good.

When using, heat conduction silica gel 2 absorbs lithium cell body 1's heat to give copper 4 with heat transfer through air and telescopic link 10, copper 4 dispels the heat with heat transfer for heating panel 5 and heat pipe 8 again, can also utilize the vibrations that self received to extrude inside air, accelerate the circulation of air, carry out the air exchange through louvre 15 and the external world, further strengthen the radiating effect.

In conclusion, the lithium battery capable of rapidly dissipating heat is wrapped outside the lithium battery body 1 through the heat-conducting silica gel 2, the heat generated by the lithium battery is completely absorbed, the heat is transferred to the copper plate 4 through the internal air and the copper telescopic rod 10, the copper plate 4 transfers the heat to the heat dissipation plate 5 and the heat absorption liquid 7 inside the heat dissipation plate, the arrangement of the protrusions 6 increases the heat dissipation area of the heat dissipation plate 5, the heat dissipation rate is increased, the heat absorption liquid 7 is water, the heat dissipation liquid has good heat conduction capability, the speed of absorbing the internal heat is increased, the heat of the water is absorbed through the arrangement of the heat pipe 8, the water is cooled, the internal heat can be continuously absorbed, the heat of the heat pipe 8 is absorbed by the heat-conducting medium 9, the heat-conducting medium 9 is an acetone solution, the heat is vaporized after being heated, the vaporized heat moves to the other end of the heat pipe 8 to be liquefied by cooling, and the heat conduction, the purpose of good heat dispersion is achieved.

Moreover, through the arrangement of the heat-conducting silica gel 2 and the spring 3, the vibration of the lithium battery in the electric vehicle is reduced, the two copper plates 4 are mutually extruded through the elasticity of the heat-conducting silica gel 2 and the spring 3, the internal air flow is accelerated, the heat dissipation is realized through the exchange between the heat dissipation holes 15 and the external air, through the arrangement of the mounting groove 13 and the elastic block 14, a damping space is provided for the lithium battery body 1, and through the arrangement of the heat dissipation fins 11, when the vibration occurs in the internal part, the telescopic rod 10 continuously stretches and retracts, so that the heat dissipation fins 11 continuously vibrate, the vibration generated by the plurality of heat dissipation fins 11 further accelerates the internal air flow, the heat dissipation rate is accelerated, the purpose of good heat dissipation performance is achieved, the problem that the common lithium battery is tightly wrapped by a shell is solved, the flowing heat dissipation space is very narrow, and other auxiliary heat dissipation structures are not, the long-time work under high temperature can reduce the life of lithium cell's problem.

It is to be noted that 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 an … …" does not exclude the presence of other identical elements 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 can quick radiating lithium cell, includes lithium cell body (1), its characterized in that: the lithium battery comprises a lithium battery body (1), wherein heat-conducting silica gel (2) is fixedly mounted on the outer side of the lithium battery body (1), springs (3) are fixedly mounted on the left side and the right side of the heat-conducting silica gel (2), a copper plate (4) is fixedly mounted on one side of the spring (3) opposite to the back, a heat dissipation plate (5) is fixedly mounted on one side of the copper plate (4) opposite to the back, protrusions (6) are fixedly mounted on one side of the heat dissipation plate (5) opposite to the back, heat pipes (8) are fixedly mounted on the outer side of the heat dissipation plate (5), heat-conducting media (9) are filled in the heat pipes (8), a telescopic rod (10) is fixedly mounted between the opposite sides of the copper plate (4) and the heat-conducting silica gel (2), and heat radiating fins (11) are fixedly mounted on the outer side of, the bottom of copper (4) just is located the bottom fixed mounting of heating panel (5) has bottom plate (12), mounting groove (13) that are located lithium cell body (1) outside are seted up at the top of bottom plate (12), the inside of mounting groove (13) just is located the equal fixed mounting in the left and right sides of lithium cell body (1) has elastic block (14), louvre (15) have been seted up to the bottom of bottom plate (12), the top movable mounting of lithium cell body (1) has roof (16), the top of lithium cell body (1) just is located the top fixed mounting of roof (16) and has electrode (17), the top fixed mounting that just is located roof (16) in the outside of electrode (17) has tighrening ring (18).

2. The lithium battery of claim 1, wherein the lithium battery further comprises: the number of the springs (3) is six, and the springs (3) are evenly distributed on the left side and the right side of the heat-conducting silica gel (2).

3. The lithium battery of claim 1, wherein the lithium battery further comprises: the heat absorption liquid (7) is water, the heat dissipation plate (5) is an aluminum plate with a hollow inner part, and the heat conduction medium (9) is an acetone solution.

4. The lithium battery of claim 1, wherein the lithium battery further comprises: the telescopic rod (10) is composed of a sleeve and a loop bar, the loop bar is movably arranged on the inner side of the sleeve, and the sleeve and the loop bar are both copper tubes.

5. The lithium battery of claim 1, wherein the lithium battery further comprises: the width of the lithium battery body (1) is smaller than that of the mounting groove (13), and the length of the bottom plate (12) is equal to that of the top plate (16).

6. The lithium battery of claim 1, wherein the lithium battery further comprises: the number of the heat dissipation holes (15) is twenty, and the twenty heat dissipation holes (15) are uniformly distributed at the bottom of the bottom plate (12).