CN213660542U

CN213660542U - Polymer lithium battery with anti-charge short circuit design

Info

Publication number: CN213660542U
Application number: CN202023137543.8U
Authority: CN
Inventors: 邓体洋; 赵子恒
Original assignee: Huizhou Hagong New Energy Technology Co ltd
Current assignee: Huizhou Hagong New Energy Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-09
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a polymer lithium cell with prevent lotus electric short circuit design, including the protecting crust, the inside of protecting crust is provided with lithium cell main part, lithium cell main part's outside is provided with the fly leaf, be provided with the protection between fly leaf and the lithium cell main part and fill up, the inside surface of protecting crust is provided with fixed recess, be provided with damping spring between fixed recess's inside and the fly leaf, lithium cell main part's lower terminal surface is provided with the heating panel, the lower extreme of heating panel is provided with the baffle, be provided with the heat conduction post between baffle and the heating panel, be provided with the support column between the lower extreme of baffle and the inside bottom surface of protecting crust, be provided with the exhaust fan between the. The utility model discloses a polymer lithium cell with prevent lotus electric short circuit design has better lithium cell protecting effect, avoids the lithium cell to receive the impact vibrations and causes the harm, has the good advantage of radiating effect simultaneously, improves lithium cell life.

Description

Polymer lithium battery with anti-charge short circuit design

Technical Field

The utility model relates to a lithium cell technical field, in particular to polymer lithium cell with prevent lotus short circuit design.

Background

Along with the development of society, the lithium cell is by wide application in all aspects, and the use of lithium cell has brought very big convenience for people, however there is the not good problem of radiating effect when using in the polymer lithium cell that current has the design of preventing the electrical short circuit, can not in time discharge the heat fast, causes the heat accumulation to damage the battery, receives collision impact vibrations etc. and causes the damage of polymer lithium cell easily simultaneously in polymer lithium cell transportation and use, for this reason, we provide a polymer lithium cell with design of preventing the electrical short circuit.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a polymer lithium cell with prevent lotus electric short circuit design can effectively solve the problem in the background art.

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

the utility model provides a polymer lithium cell with prevent lotus electric short circuit design, includes the protecting crust, the inside of protecting crust is provided with lithium cell main part, lithium cell main part's outside is provided with the fly leaf, be provided with the protection between fly leaf and the lithium cell main part and fill up, the inside surface of protecting crust is provided with fixed recess, be provided with damping spring between fixed recess's inside and the fly leaf, lithium cell main part's lower terminal surface is provided with the heating panel, the lower extreme of heating panel is provided with the baffle, be provided with the heat conduction post between baffle and the heating panel, be provided with the support column between the lower extreme of baffle and the inside bottom surface of protecting crust, be provided with the exhaust fan between the support column, the upper.

Preferably, be fixed connection between fixed recess and the protecting crust, be swing joint between damping spring and fly leaf and the fixed recess, be swing joint between protection pad and fly leaf and the lithium cell main part.

By adopting the technical scheme, the following technical effects can be achieved: is beneficial to the protection of the lithium battery.

Preferably, the number of the damping springs is a plurality of groups, the damping springs are arranged in an array, and the protection pad is a heat-resistant rubber pad.

By adopting the technical scheme, the following technical effects can be achieved: is favorable for improving the protection effect.

Preferably, be swing joint between heating panel and the lithium cell main part, be swing joint between heat conduction post and heating panel and the baffle, be fixed connection between support column and the baffle, the exhaust vent runs through the baffle, and with the baffle between be fixed connection, be swing joint between exhaust fan and the support column.

By adopting the technical scheme, the following technical effects can be achieved: is beneficial to the rapid discharge of heat.

Preferably, the quantity of heat conduction post and exhaust vent is a plurality of groups, heat conduction post and exhaust vent all are the array and arrange, the exhaust fan is two sets of, is located the left and right sides of the inside bottom surface of protecting crust respectively.

By adopting the technical scheme, the following technical effects can be achieved: is favorable for improving the heat dissipation effect.

Preferably, the top that the upper end of protecting crust is located lithium cell main part is provided with the encapsulation panel, the left and right sides of encapsulation panel is provided with the terminal, the middle part of the upper end surface of encapsulation panel is provided with the dust screen, the below that the surface of encapsulation panel is located the dust screen is provided with the louvre, the louvre runs through the encapsulation panel, the quantity of louvre is a plurality of groups, and is the array and arranges.

By adopting the technical scheme, the following technical effects can be achieved: is beneficial to improving the using effect of the lithium battery.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the polymer lithium battery with the charge short circuit prevention design, through the combined action of the protection pad, the movable plate, the damping spring and the fixing groove, when the lithium battery is impacted and vibrated by collision, the protection pad preliminarily buffers the impact collision, the movable plate extrudes the damping spring in the fixing groove, the damping spring is compressed to generate elastic force, the impact force outside the lithium battery main body is relieved, and the lithium battery is protected, so that the lithium battery has a good lithium battery protection effect, and the lithium battery is prevented from being damaged due to the impact vibration; through the combined action of heating panel, heat conduction post, exhaust vent, louvre and exhaust fan, the heat that the lithium cell main part produced is drawn to the heating panel, and through heat conduction stand conduction effluvium, exhaust fan work blows off the heat from the louvre through the exhaust vent fast, avoids heat gathering damage lithium cell to have the advantage that the radiating effect is good, improve lithium cell life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a polymer lithium battery with a charge short circuit prevention design according to the present invention;

fig. 2 is a partial front sectional view of a polymer lithium battery with a charge short circuit prevention design according to the present invention;

fig. 3 is an enlarged view of a in fig. 2 of a lithium polymer battery with a charge short circuit prevention design according to the present invention;

fig. 4 is a partial cross-sectional side view of a polymer lithium battery with a charge short circuit prevention design according to the present invention.

In the figure: 1. a protective shell; 2. a lithium battery main body; 3. packaging the panel; 4. a binding post; 5. a dust screen; 6. heat dissipation holes; 7. fixing the groove; 8. a damping spring; 9. a movable plate; 10. a protective pad; 11. a heat dissipation plate; 12. a heat-conducting column; 13. a baffle plate; 14. an air outlet; 15. a support pillar; 16. an exhaust fan.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a polymer lithium battery with a charge-preventing short circuit design comprises a protective shell 1, a lithium battery main body 2 is arranged inside the protective shell 1, a movable plate 9 is arranged outside the lithium battery main body 2, a protective pad 10 is arranged between the movable plate 9 and the lithium battery main body 2, a fixed groove 7 is arranged on the inner surface of the protective shell 1, a damping spring 8 is arranged between the inside of the fixed groove 7 and the movable plate 9, so as to buffer impact force and protect the lithium battery, a heat dissipation plate 11 is arranged on the lower end surface of the lithium battery main body 2, a baffle 13 is arranged at the lower end of the heat dissipation plate 11, a heat conduction column 12 is arranged between the baffle 13 and the heat dissipation plate 11, a support column 15 is arranged between the lower end of the baffle 13 and the inner bottom surface of the protective shell 1, an exhaust.

Be fixed connection between fixed recess 7 and the protecting crust 1, be swing joint between damping spring 8 and fly leaf 9 and the fixed recess 7, be swing joint between protection pad 10 and fly leaf 9 and the lithium cell main part 2, be favorable to the protection of lithium cell, avoid the lithium cell to damage.

Damping spring 8's quantity is a plurality of groups, and damping spring 8 is the array and arranges, and protection pad 10 is heat-resisting rubber pad, is favorable to improving the protecting effect, improves life.

Be swing joint between heating panel 11 and the lithium cell main part 2, be swing joint between heat conduction post 12 and heating panel 11 and the baffle 13, be fixed connection between support column 15 and the baffle 13, exhaust vent 14 runs through

baffle

13, and 13 between be fixed connection, be swing joint between exhaust fan 16 and the support column 15, be favorable to thermal quick discharge, avoid the heat gathering.

The quantity of heat conduction post 12 and exhaust vent 14 is a plurality of groups, and heat conduction post 12 all is the array with exhaust vent 14 and arranges, and exhaust fan 16 is two sets of, is located the left and right sides of the inside bottom surface of protecting crust 1 respectively, is favorable to improving the radiating effect.

The top that the upper end of protecting crust 1 is located lithium cell main part 2 is provided with encapsulation panel 3, the left and right sides of encapsulation panel 3 is provided with terminal 4, the middle part of the upper end surface of encapsulation panel 3 is provided with dust screen 5, be favorable to improving the result of use of lithium cell, avoid the dust to get into, the below that the surface of encapsulation panel 3 is located dust screen 5 is provided with louvre 6, louvre 6 runs through encapsulation panel 3, the quantity of louvre 6 is a plurality of groups, and be the array and arrange, the heat of being convenient for is discharged.

It should be noted that, the utility model relates to a polymer lithium cell with prevent that electric short circuit designs, when using, the user is with the help of the combined action of protection pad 10, movable plate 9, damping spring 8 and fixed recess 7, when the lithium cell receives the impact shock of collision, protection pad 10 carries out preliminary buffering to the impact shock, movable plate 9 extrudes damping spring 8 inside fixed recess 7, damping spring 8 compresses and produces elasticity, slow down the outside impact force of lithium cell main part 2, protect the lithium cell, avoid the lithium cell to damage, thereby have better lithium cell protective effect, avoid the lithium cell to receive the impact shock and cause the damage; through heating panel 11, heat conduction post 12, exhaust vent 14, louvre 6 and exhaust fan 16's combined action, heating panel 11 absorbs the heat that lithium cell main part 2 produced, through the conduction effluvium of heat conduction post 12, exhaust fan 16 work blooms the air current, blows off the heat from louvre 6 fast through exhaust vent 14, avoids heat gathering damage lithium cell to have the good advantage of radiating effect, improve lithium cell life.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A polymer lithium battery with a charge short circuit prevention design comprises a protective shell (1), and is characterized in that: a lithium battery main body (2) is arranged inside the protective shell (1), a movable plate (9) is arranged outside the lithium battery main body (2), a protective pad (10) is arranged between the movable plate (9) and the lithium battery main body (2), a fixed groove (7) is arranged on the inner surface of the protective shell (1), a damping spring (8) is arranged between the inner part of the fixed groove (7) and the movable plate (9), the lower end surface of the lithium battery main body (2) is provided with a heat dissipation plate (11), a baffle plate (13) is arranged at the lower end of the heat dissipation plate (11), a heat conduction column (12) is arranged between the baffle plate (13) and the heat dissipation plate (11), a support column (15) is arranged between the lower end of the baffle (13) and the bottom surface inside the protective shell (1), be provided with exhaust fan (16) between support column (15), the upper end surface of baffle (13) is provided with exhaust vent (14).

2. The polymer lithium battery with the charge short circuit prevention design of claim 1 is characterized in that: be fixed connection between fixed recess (7) and protecting crust (1), be swing joint between damping spring (8) and fly leaf (9) and fixed recess (7), be swing joint between protection pad (10) and fly leaf (9) and lithium cell main part (2).

3. The polymer lithium battery with the charge short circuit prevention design of claim 1 is characterized in that: the number of the damping springs (8) is a plurality of groups, the damping springs (8) are arranged in an array, and the protective pad (10) is a heat-resistant rubber pad.

4. The polymer lithium battery with the charge short circuit prevention design of claim 1 is characterized in that: be swing joint between heating panel (11) and lithium cell main part (2), be swing joint between heat conduction post (12) and heating panel (11) and baffle (13), be fixed connection between support column (15) and baffle (13), exhaust vent (14) run through baffle (13), and with be fixed connection between baffle (13), be swing joint between exhaust fan (16) and support column (15).

5. The polymer lithium battery with the charge short circuit prevention design of claim 1 is characterized in that: the heat conduction columns (12) and the air outlets (14) are arranged in a plurality of groups, the heat conduction columns (12) and the air outlets (14) are arranged in an array mode, and the exhaust fans (16) are arranged in two groups and are respectively located on the left side and the right side of the inner bottom face of the protective shell (1).

6. The polymer lithium battery with the charge short circuit prevention design of claim 1 is characterized in that: the upper end of protective housing (1) is located the top of lithium cell main part (2) and is provided with encapsulation panel (3), the left and right sides of encapsulation panel (3) is provided with terminal (4), the middle part of the upper end surface of encapsulation panel (3) is provided with dust screen (5), the surface of encapsulation panel (3) is located the below of dust screen (5) and is provided with louvre (6), louvre (6) run through encapsulation panel (3), the quantity of louvre (6) is a plurality of groups, and is the array and arranges.