CN211907632U

CN211907632U - Lithium battery with efficient heat dissipation structure

Info

Publication number: CN211907632U
Application number: CN202020885430.7U
Authority: CN
Inventors: 吕清花
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-11-10
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a lithium battery construction technical field just discloses a lithium cell with high-efficient heat radiation structure, which comprises an outer shell, the inside movable groove that has seted up in side of shell, the kerve has been seted up to the lateral surface of shell, the kerve communicates with the inside of movable groove, the inside groove has been seted up to the medial surface of shell, inside groove and movable groove intercommunication, the length of inside groove is less than the length of movable groove, the medial surface of movable groove just is located one side fixed mounting who is close to the inside groove and has the elastic component, the heating panel has been cup jointed in the inside activity of movable groove. This kind of high-efficient heat radiation structure of lithium cell through seting up the movable groove in the inside of shell to extend to the lateral surface of shell, at its inside installation elastic component and heating panel, the inside air of shell is heated the back volume expansion, thereby promotes the heating panel and moves to the outside, and then fin and the area of contact of the shell outside air on the increase heating panel realize improving the radiating efficiency.

Description

Lithium battery with efficient heat dissipation structure

Technical Field

The utility model relates to a lithium battery construction technical field specifically is a lithium cell with high-efficient heat radiation structure.

Background

The lithium battery is a power supply with a small and exquisite structure and can be charged and used repeatedly, the existing lithium battery can generate heat when in use, and heat dissipation is timely performed, so that the service life of the lithium battery is prolonged, and the use safety is ensured.

The radiating mode of current lithium cell generally is for radiating through plastic casing or external initiative cooling mechanism dispels the heat, and it is lower to carry out radiating efficiency through sealed plastic casing, and cools down through external mechanism, though efficiency is higher, nevertheless can produce the power consumption load, reduces the power supply efficiency of lithium cell.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a lithium cell with high-efficient heat radiation structure possesses telescopic structure increase heat radiating area and improves the advantage that radiating efficiency, sandwich type shell are convenient for radiation guarantee lithium cell power supply efficiency, has solved the problem that the background art provided.

(II) technical scheme

For realize above-mentioned telescopic structure increase heat radiating area improve radiating efficiency, sandwich type shell be convenient for radiation guarantee lithium cell power supply efficiency's purpose, the utility model provides a following technical scheme: the utility model provides a lithium cell with high-efficient heat radiation structure, includes the shell, the movable groove has been seted up to the inside of side of shell, the water jacket has been seted up to the lateral surface of shell, the water jacket communicates with the inside of movable groove, the inside groove has been seted up to the medial surface of shell, inside groove and movable groove intercommunication, the length of inside groove is less than the length of movable groove, the medial surface of movable groove just is located one side fixed mounting who is close to the inside groove and has the elastic component, the inside activity in movable groove has cup jointed the heating panel, the heating panel is close to the side of inside groove and the one end fixed connection of elastic component, the side fixed mounting that the inside groove was kept.

Preferably, the shell is of a sandwich structure, the shell comprises an outer layer, a middle layer and an inner layer, the outer layer, the middle layer and the inner layer are bonded and fixed, the inner layer is located on one side close to the inside of the shell, fixing grooves are formed in the side face of the inner layer and penetrate through the two side faces of the inner layer, heat conducting fins are inlaid in the inside of the fixing grooves, the middle layer is made of hard plastic plates, through holes are formed in the side face of the middle layer, the outer layer is located on one side far away from the inside of the shell, and the outer layer is made of breathable cloth.

Preferably, the number of the outer grooves is more than two, the outer side surfaces of the outer grooves are uniformly distributed, and the heights of the outer grooves are the same as those of the movable grooves.

Preferably, the number of the elastic pieces is two, the two elastic pieces are symmetrically distributed on the side surface of the movable groove, and the elastic pieces are located in the middle of the side surface of the movable groove.

Preferably, the heat dissipation plate is made of a heat-conducting copper plate, and the thickness of the heat dissipation plate is smaller than the width of the movable groove.

Preferably, the fins are uniformly distributed on the side surface of the heat dissipation plate, and the number and the positions of the fins are respectively matched with the number and the positions of the outer grooves.

Preferably, the initial length of the elastic element and the total length of the heat dissipation plate and the fins are the same as the distance from the side surface of the movable groove close to the inner groove to the outer side surface of the shell, and the side surface of the heat dissipation plate far away from the inner groove is not in contact with the inner side surface of the movable groove.

Preferably, the inner layer is made of a heat-conducting plastic sheet, and the heat-conducting sheet is made of a copper sheet.

Preferably, the through holes penetrate through two side faces of the middle layer, and the through holes are uniformly distributed on the side faces of the middle layer.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of high-efficient heat radiation structure of lithium cell through seting up the movable groove in the inside of shell to extend to the lateral surface of shell, at its inside installation elastic component and heating panel, the inside air of shell is heated the back volume expansion, thereby promotes the heating panel and moves to the outside, and then fin and the area of contact of the shell outside air on the increase heating panel realize improving the radiating efficiency.

2. This kind of high-efficient heat radiation structure of lithium cell through setting the shell to sandwich structure, through inlayer fixed slot installation conducting strip, separates through the middle level and supports with intensity, sets up the cloth layer with the skin, and then inside ventilates and blocks the dust, and further the realization need not external structure and can high-efficient heat dissipation, has guaranteed the power supply efficiency of lithium cell.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the telescopic structure of the present invention;

FIG. 3 is an exploded view of the telescopic structure of the present invention;

fig. 4 is an explosion diagram of the sandwich structure of the structural shell of the present invention.

In the figure: 1. a housing; 101. a movable groove; 102. an inner tank; 103. an outer tank; 2. an elastic member; 3. a heat dissipation plate; 301. a fin; 4. an outer layer; 5. a middle layer; 501. a through hole; 6. an inner layer; 601. fixing grooves; 7. a heat conductive sheet.

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.

Example one

Referring to fig. 1-3, a lithium battery with a high-efficiency heat dissipation structure includes a housing 1, a movable groove 101 is formed in a side surface of the housing 1 for mounting a movable structure, an outer groove 103 is formed in an outer side surface of the housing 1 for mounting a protruding component, the outer groove 103 is communicated with the inside of the movable groove 101, the number of the outer grooves 103 is more than two, the outer grooves 103 are uniformly distributed on an outer side surface of the housing 1, the height of the outer grooves 103 is the same as that of the movable groove 101, an inner groove 102 is formed in an inner side surface of the housing 1 for facilitating radiation of heat in the housing 1, the inner groove 102 is communicated with the movable groove 101, the length of the inner groove 102 is smaller than that of the movable groove 101, so that a step is formed between the inner groove 102 and the movable groove 101 for facilitating mounting of a related component, an elastic member 2 is fixedly mounted on the inner side surface of the movable groove 101, the number of the elastic parts 2 is two, the moving stability of the movable assembly is ensured, the two elastic parts 2 are symmetrically distributed on the side surface of the movable groove 101, the elastic parts 2 are positioned at the middle position of the side surface of the movable groove 101, the heat dissipation plate 3 is movably sleeved in the movable groove 101, the heat dissipation plate 3 is made of a heat-conducting copper plate, the side surface of the heat dissipation plate 3 close to the inner groove 102 is fixedly connected with one end of the elastic part 2, the thickness of the heat dissipation plate 3 is smaller than the width of the movable groove 101, the heat dissipation plate 3 is ensured to have a movable space in the movable groove 101, the side surface of the heat dissipation plate 3 far away from the inner groove 102 is fixedly provided with the fins 301 for increasing the heat dissipation area of the heat dissipation plate 3, the fins 301 are uniformly distributed on the side surface of the heat dissipation plate 3, the number and the positions of the fins 301 are respectively matched with the number and the positions of the outer grooves 103, the initial length of, when the elastic element 2 is in an unstressed state, the outer side surface of the fin 301 can be flush with the outer side surface of the shell 1, so that the fin 301 is prevented from being damaged, and the side surface of the heat dissipation plate 3, which is far away from the inner groove 102, is not in contact with the inner side surface of the movable groove 101.

Example two

Referring to fig. 4, according to the first embodiment, the housing 1 is a sandwich structure, the housing 1 includes an outer layer 4, a middle layer 5 and an inner layer 6, the outer layer 4, the middle layer 5 and the inner layer 6 are bonded and fixed, the inner layer 6 is located at a side close to the inside of the housing 1, the inner layer 6 is made of a heat conductive plastic sheet, the inner layer 6 is provided with a fixing groove 601 on the side surface, the fixing groove 601 penetrates through the two side surfaces of the inner layer 6, the heat conducting sheet 7 is embedded in the fixing groove 601, the heat conducting sheet 7 is made of a copper sheet, the heat exchanger is used for transferring heat, the middle layer 5 is made of a hard plastic plate and plays a supporting role, the side face of the middle layer 5 is provided with a through hole 501, the through hole 501 penetrates through the two side faces of the middle layer 5, the through hole 501 is uniformly distributed on the side face of the middle layer 5, the outer layer 4 is located on one side far away from the inside of the shell 1, and the outer layer 4 is made of breathable cloth and used for blocking dust from the middle layer 5 and the inner layer 6.

The working principle is as follows: during the use, the inside lithium cell content of shell 1 generates heat to the outside power supply, the heat is at first transmitted for the inside air of shell 1, make it receive the thermal volume expansion, and then promote heating panel 3 and move to the outside along the inside of activity groove 101, make fin 301 stretch out the outside of shell 1, increase fin 301 and outside air's area of contact, improve radiating efficiency, partial heat is through the lateral radiation of conducting strip 7, the lower air of outside temperature passes through-hole 501 and the contact of conducting strip 7 after the filtration of skin 4, realize the radiation heat transfer, elastic component 2 is tensile this moment, when finishing using, when the inside air cooling volume of shell 1 contracts, elastic component 2 stimulates heating panel 3 and returns initial position.

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. A lithium battery with a high-efficiency heat dissipation structure comprises a shell (1);

the method is characterized in that:

the novel solar heat collector is characterized in that a movable groove (101) is formed in the side face of the shell (1), an outer groove (103) is formed in the outer side face of the shell (1), the outer groove (103) is communicated with the movable groove (101), an inner groove (102) is formed in the inner side face of the shell (1), the inner groove (102) is communicated with the movable groove (101), the length of the inner groove (102) is smaller than that of the movable groove (101), an elastic piece (2) is fixedly mounted on one side, close to the inner groove (102), of the inner side face of the movable groove (101), a heat dissipation plate (3) is sleeved in the movable groove (101), the side face, close to the inner groove (102), of the heat dissipation plate (3) is fixedly connected with one end of the elastic piece (2), and fins (301) are fixedly mounted on the side face, far away from the inner.

2. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the shell (1) is of a sandwich structure, the shell (1) comprises an outer layer (4), a middle layer (5) and an inner layer (6), the outer layer (4), the middle layer (5) and the inner layer (6) are bonded and fixed, the inner layer (6) is located on one side close to the inside of the shell (1), fixing grooves (601) are formed in the side face of the inner layer (6), the fixing grooves (601) penetrate through two side faces of the inner layer (6), heat conducting sheets (7) are embedded in the inside of the fixing grooves (601), the material of the middle layer (5) is a hard plastic plate, through holes (501) are formed in the side face of the middle layer (5), the outer layer (4) is located on one side far away from the inside of the shell (1), and the material of the outer layer (4) is breathable cloth.

3. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the number of the outer grooves (103) is more than two, the outer side surfaces of the outer grooves (103) on the shell (1) are uniformly distributed, and the heights of the outer grooves (103) are the same as those of the movable grooves (101).

4. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the number of elastic component (2) is two, two elastic component (2) are the symmetric distribution in the side of activity groove (101), elastic component (2) are located the middle part position department of activity groove (101) side.

5. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the material of heating panel (3) is the copper of heat conduction, the thickness of heating panel (3) is less than the width of activity groove (101).

6. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the fins (301) are uniformly distributed on the side face of the heat dissipation plate (3), and the number and the positions of the fins (301) are respectively matched with the number and the positions of the outer grooves (103).

7. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the initial length of the elastic piece (2), the total length of the heat dissipation plate (3) and the fins (301) are the same as the distance from the side surface of the movable groove (101) close to the inner groove (102) to the outer side surface of the shell (1), and the side surface of the heat dissipation plate (3) far away from the inner groove (102) is not in contact with the inner side surface of the movable groove (101).

8. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 2, wherein: the inner layer (6) is made of a heat-conducting plastic sheet, and the heat-conducting sheet (7) is made of a copper sheet.

9. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 2, wherein: the through holes (501) penetrate through two side faces of the middle layer (5), and the through holes (501) are uniformly distributed on the side face of the middle layer (5).