CN214378598U

CN214378598U - Novel lithium battery with good heat dissipation effect

Info

Publication number: CN214378598U
Application number: CN202023351189.9U
Authority: CN
Inventors: 林仁明
Original assignee: Dongguan Aierwen New Energy Co ltd
Current assignee: Dongguan Aierwen New Energy Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a novel lithium battery with good heat dissipation effect, which comprises a shell, wherein a shell cover is clamped at the top end of the shell, an installation window is arranged at the inner end of the shell cover, and a heat dissipation fin is fixedly arranged at the inner end of the installation window; the utility model has the advantages that: the utility model relates to a novel lithium cell that radiating effect is good, can absorb the heat that lithium cell outer wall gived off through first absorber plate and second absorber plate, and give the fin with the heat conduction, can fix lithium cell through the preforming, and give the fin with the heat conduction that lithium cell top gived off, can give out the heat that lithium cell gived off through the fin, a plurality of radiating part through fin top setting can increase the area of contact of fin with the air, thereby improve thermal efficiency of giveing off, can slow down stretching of intensity of a fire when lithium cell burns through the fire-retardant layer of the inner setting of baffle, the security performance of battery use is better.

Description

Novel lithium battery with good heat dissipation effect

Technical Field

The utility model relates to a lithium cell, in particular to novel lithium cell that radiating effect is good.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal is processed, stored and used. With the development of science and technology, lithium batteries have become mainstream, and common lithium batteries usually only use a high-thermal-conductivity shell outside the lithium batteries or add cooling fins outside the lithium batteries for heat dissipation, so that heat inside the lithium batteries cannot be well dissipated, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel lithium cell that radiating effect is good to solve the relatively poor problem of common lithium cell radiating effect who provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel lithium cell that radiating effect is good, includes the casing, the cap is installed to the top block of casing, the installation window has been seted up to the inner of cap, the inner fixed mounting of installation window has the fin, the inner fixed mounting of casing has a plurality of baffle, and is adjacent fixed mounting has the lithium cell piece between the baffle, the bottom fixed mounting of fin has the first absorber plate of a plurality of and a plurality of second absorber plate, fin, the first absorber plate of a plurality of and a plurality of second absorber plate formula structure as an organic whole, the baffle is located between first absorber plate and the second absorber plate, the bottom fixed mounting of fin has a plurality of preforming, the bottom of preforming contacts with the top of lithium cell piece.

As an optimized technical scheme of the utility model, the top of fin is provided with a plurality of radiating part.

As an optimized technical scheme of the utility model, the inner of baffle is provided with fire-retardant layer.

As an optimized technical scheme of the utility model, the outer wall of lithium cell piece closely laminates with the lateral wall of first absorber plate or second absorber plate.

As an optimized technical scheme of the utility model, the cap passes through the fixture block with the casing and is connected.

As an optimal technical scheme of the utility model, the fin passes through bolt and cap fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novel lithium cell that radiating effect is good, can absorb the heat that lithium cell outer wall gived off through first absorber plate and second absorber plate, and give the fin with the heat conduction, can fix lithium cell through the preforming, and give the fin with the heat conduction that lithium cell top gived off, can give out the heat that lithium cell gived off through the fin, a plurality of radiating part through fin top setting can increase the area of contact of fin with the air, thereby improve thermal efficiency of giveing off, can slow down stretching of intensity of a fire when lithium cell burns through the fire-retardant layer of the inner setting of baffle, the security performance of battery use is better.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

In the figure: 1. a housing; 2. a shell cover; 201. installing a window; 3. a heat sink; 301. a heat dissipating section; 4. a partition plate; 401. a flame retardant layer; 5. a lithium battery block; 6. a first heat absorption plate; 7. a second absorber plate; 8. tabletting; 9. a clamping block; 10. and (4) bolts.

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. 1-3, the present invention provides a novel lithium battery with good heat dissipation effect, which comprises a casing 1, a casing cover 2 is mounted on the top end of the casing 1 in a snap-fit manner, a mounting window 201 is formed on the inner end of the casing cover 2, a heat sink 3 is fixedly mounted on the inner end of the mounting window 201, the heat sink 3 can dissipate the heat dissipated from a lithium battery block 5, a plurality of partition plates 4 are fixedly mounted on the inner end of the casing 1, a lithium battery block 5 is fixedly mounted between adjacent partition plates 4, the lithium battery block 5 is a block-shaped lithium battery, a plurality of lithium battery blocks 5 are combined to form a novel combined lithium battery, the plurality of lithium battery blocks 5 are electrically connected with each other, the lithium battery blocks 5 in the casing 1 are separated by the partition plates 4 to prevent heat accumulation, a plurality of first heat absorbing plates 6 and a plurality of second heat absorbing plates 7 are fixedly mounted on the bottom end of the heat sink 3, the plurality of first heat absorbing plates 6 and the plurality of second heat absorbing plates 7 are of integrated structures, the integral type structure can improve thermal conduction efficiency, so that the heat dissipation, baffle 4 is located between first absorber plate 6 and the second absorber plate 7, first absorber plate 6 and second absorber plate 7 can absorb the heat that lithium cell 5 gived off, and give fin 3 with the heat conduction, the bottom fixed mounting of fin 3 has a plurality of preforming 8, the bottom of preforming 8 contacts with the top of lithium cell 5, preforming 8 can be fixed lithium cell 5, and give fin 3 with the heat conduction that 5 tops of lithium cell gived off.

Preferably, the top of fin 3 is provided with a plurality of radiating part 301, radiating part 301 is the riser shape, and be 90 degrees with the contained angle of fin 3, radiating part 301 can increase the area of contact of fin 3 with the air, thereby improve thermal radiating efficiency, the inner of baffle 4 is provided with flame retardant coating 401, flame retardant coating 401 is made for high flame retardant material such as asbestos, can slow down stretching of intensity of a fire when lithium cell 5 burns, lithium cell 5's outer wall and the inseparable laminating of the lateral wall of first heat absorbing plate 6 or second heat absorbing plate 7, thereby make the heat that lithium cell 5 gived off can give off fast, cap 2 passes through fixture block 9 block with casing 1 and is connected, so that the installation is dismantled, fin 3 passes through

bolt

10 and 2 fixed connection of cap.

When specifically using, the utility model relates to a novel lithium cell that radiating effect is good, can absorb the heat that the 5 outer walls of lithium cell block gived off through first absorber plate 6 and second absorber plate 7, and give fin 3 with the heat conduction, can fix lithium cell block 5 through preforming 8, and give fin 3 with the heat conduction that 5 tops of lithium cell block gived off, can distribute away the heat that lithium cell block 5 gived off through fin 3, a plurality of radiating part 301 that sets up through the 3 tops of fin can increase the area of contact of fin 3 and air, thereby improve thermal efficiency of giveing off, can slow down stretching of the intensity of a fire when 5 burning of lithium cell block giveaway through fire-retardant layer 401 of 4 inner settings of baffle, the security performance of battery usage is better.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 novel lithium battery with good heat dissipation effect comprises a shell (1) and is characterized in that a shell cover (2) is installed at the top end of the shell (1) in a clamped mode, an installation window (201) is formed in the inner end of the shell cover (2), heat dissipation fins (3) are fixedly installed at the inner end of the installation window (201), a plurality of partition plates (4) are fixedly installed at the inner end of the shell (1), a lithium battery block (5) is adjacent to the partition plates (4), a plurality of first heat absorption plates (6) and a plurality of second heat absorption plates (7) are fixedly installed at the bottom end of each heat dissipation fin (3), the heat dissipation fins (3), the first heat absorption plates (6) and the second heat absorption plates (7) are of an integrated structure, the partition plates (4) are located between the first heat absorption plates (6) and the second heat absorption plates (7), a plurality of pressing sheets (8) are fixedly installed at the bottom end of each heat dissipation fin (3), the bottom end of the pressing sheet (8) is in contact with the top end of the lithium battery block (5).

2. The novel lithium battery with good heat dissipation effect as claimed in claim 1, wherein: the top of the radiating fin (3) is provided with a plurality of radiating parts (301).

3. The novel lithium battery with good heat dissipation effect as claimed in claim 1, wherein: and the inner end of the partition board (4) is provided with a flame-retardant layer (401).

4. The novel lithium battery with good heat dissipation effect as claimed in claim 1, wherein: the outer wall of the lithium battery block (5) is tightly attached to the side wall of the first heat absorption plate (6) or the second heat absorption plate (7).

5. The novel lithium battery with good heat dissipation effect as claimed in claim 1, wherein: the shell cover (2) is connected with the shell body (1) in a clamping mode through a clamping block (9).

6. The novel lithium battery with good heat dissipation effect as claimed in claim 1, wherein: the radiating fins (3) are fixedly connected with the shell cover (2) through bolts (10).