CN216389554U

CN216389554U - Lithium battery shell with good heat dissipation effect

Info

Publication number: CN216389554U
Application number: CN202122899386.2U
Authority: CN
Inventors: 金滔; 程名; 汪元; 孙文达; 徐一; 金李; 彭锦
Original assignee: Hangzhou Canew Industrial Design Co ltd
Current assignee: Hangzhou Canew Industrial Design Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-26
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a lithium battery shell with a good heat dissipation effect, which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are fixedly connected through a plurality of hexagonal screws, an air inlet cover and an air exhaust cover are respectively arranged on two sides of the upper shell, the air inlet cover and the air exhaust cover are both communicated with an inner cavity of the upper shell, a plurality of supporting short columns are arranged on the inner surfaces of the upper shell and the lower shell, a rubber pad is arranged at one end of each supporting short column, a rubber sleeve is arranged on one side of the rubber pad, and one end of each supporting short column is inserted into the rubber sleeve. According to the utility model, the air inlet cover and the air exhaust cover are arranged, and the lithium battery is supported by the supporting short column, so that an airflow channel is formed between the lithium battery and the upper shell and between the lithium battery and the lower shell, therefore, external cold air can continuously flow over the surface of the lithium battery in the driving process of the electric bicycle, heat generated by the lithium battery is taken away, the service life of the lithium battery can be prolonged, and the combustion of the lithium battery is avoided to the greatest extent.

Description

Lithium battery shell with good heat dissipation effect

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery shell with a good heat dissipation effect.

Background

With the gradual shortage of petroleum resources, the electric vehicle taking electricity as the energy source gradually replaces the transmission of the vehicle taking electricity as the energy source, particularly the push-out of a shared electric bicycle, is convenient for people to go out, reduces the consumption of the petroleum resources, and the lithium battery is equipment for storing electric energy on the electric bicycle and has an important significance.

But present lithium battery case can not be equipped with the bleeder vent in order to consider waterproof scheduling problem, leads to the heat energy that the lithium cell operation in-process produced to disperse to the external environment only through its shell, and the radiating effect is poor to will lead to the life reduction of lithium cell, dangerous situations such as lithium cell burning also can appear in the overheated environment simultaneously take place, and the security is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery shell with good heat dissipation effect so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium battery cell casing that radiating effect is good, includes epitheca and inferior valve, epitheca and inferior valve are through a plurality of hexagonal screw fixed connection, suction hood and exhaust hood are installed respectively to the both sides of epitheca, suction hood and exhaust hood all are linked together with the inner chamber of epitheca, the internal surface mounting of epitheca and inferior valve has a plurality of supporting columns, and the one end of supporting column is provided with the rubber pad, one side of rubber pad is provided with the rubber sleeve, the inside at the rubber sleeve is pegged graft to the one end of supporting column.

Preferably, an air inlet pipe is installed at the air inlet of the air inlet cover, and one end, far away from the air inlet cover, of the air inlet pipe is an inclined plane.

Preferably, the air inlet of the air inlet hood and the exhaust port of the exhaust hood are both provided with movable plates, and the top ends of the two movable plates are hinged with the air inlet hood and the exhaust hood respectively through hinges.

Preferably, the upper casing is provided with the buckler with the hookup location of inferior valve, and a plurality of hexagonal screws all are located the inside of buckler, the buckler includes U-shaped cover one and U-shaped cover two through plug assembly fixed connection.

Preferably, the inserting assembly comprises an inserting block fixed at two ends of the U-shaped cover, a fixing block fixed at two ends of the U-shaped cover and an elastic sheet fixed on the fixing block, the inserting block is provided with a slot matched with the elastic sheet, the inner surface of the slot is provided with a plurality of limiting grooves, and the elastic sheet is provided with limiting bulges matched with the limiting grooves.

Preferably, a plurality of reinforcing ribs are arranged on the upper shell, and the reinforcing ribs and the upper shell are integrally formed.

Preferably, the bottom of the lower shell is communicated with a drain pipe, and the bottom of the drain pipe is provided with an insect-proof net.

Compared with the prior art, the utility model has the beneficial effects that:

1. this lithium battery cell casing that radiating effect is good through setting up air inlet cover and exhaust hood to utilize the supporting column to support the lithium cell, make and form airflow channel between lithium cell and epitheca and the inferior valve, thereby the surface that outside cold air will be continuous to flow through the lithium cell in the electric bicycle in-process of traveling takes away the heat of its production, can enough prolong the life of lithium cell, also the condition emergence of the lithium cell burning of furthest having avoided.

2. This lithium battery cell casing that radiating effect is good through setting up the intake pipe to set up the one end of intake pipe into the inclined plane, thereby can effectually prevent that the rainwater from entering into the inside of epitheca along the air inlet cover.

3. This lithium battery cell casing that radiating effect is good through setting up the fly leaf, and it can be opened through the air current to just realize that the fly leaf is opened when the vehicle traveles, the closed purpose of fly leaf when the vehicle stops can effectually prevent that insects etc. from entering into the inside of epitheca.

4. This lithium battery cell casing that radiating effect is good through setting up the buckler, utilizes U-shaped cover one and two pairs of hexagonal screws of U-shaped cover to protect, separates its and the moisture in the external environment and come to delay the rusty condition of hexagonal screw oxidation appearance that can show.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is an enlarged view of example 1 at A;

FIG. 3 is a top view of the waterproof case of example 1;

FIG. 4 is a sectional top view of an insert block in accordance with embodiment 1;

fig. 5 is an overall configuration diagram of embodiment 2.

In the figure: 1. an upper shell; 2. a lower case; 3. an air intake hood; 4. an exhaust hood; 5. an air inlet pipe; 6. a support stub; 7. a rubber pad; 8. a rubber sleeve; 9. a movable plate; 10. a bevel; 11. a waterproof cover; 12. a first U-shaped cover; 13. a U-shaped cover II; 14. inserting a block; 15. a fixed block; 16. an elastic sheet; 17. a slot; 18. a limiting groove; 19. a drain pipe; 20. an insect-proof net; 21. a hexagonal screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 4, the lithium battery casing of the present embodiment with good heat dissipation effect includes an upper casing 1 and a lower casing 2, the upper casing 1 and the lower casing 2 are fixedly connected by a plurality of hexagonal screws 21, an air inlet hood 3 and an air outlet hood 4 are respectively installed on two sides of the upper casing 1, the air inlet hood 3 and the air outlet hood 4 are both communicated with an inner cavity of the upper casing 1, a plurality of support studs 6 are installed on inner surfaces of the upper casing 1 and the lower casing 2, and one end of each support stud 6 is provided with a rubber pad 7, the rubber pad 7 is used for preventing the lithium battery from colliding with the support studs 6 and simultaneously buffering inertia of the lithium battery, one side of the rubber pad 7 is provided with a rubber sleeve 8, the rubber sleeve 8 is used for fixing the rubber pad 7 to the support studs 6, one end of each support stud 6 is inserted into the rubber sleeve 8, by providing the air inlet hood 3 and the air outlet hood 4, and supporting the lithium battery by the support studs 6, make and form airflow channel between lithium cell and epitheca 1 and the inferior valve 2 to outside cold air will be continuous to flow through the surface of lithium cell at the electric bicycle in-process of traveling, takes away the heat that its produced, can enough prolong the life of lithium cell, also furthest has avoided the condition of lithium cell burning to take place.

Specifically, intake pipe 5 is installed to the air inlet department of air inlet cover 3, and the one end that intake pipe 5 kept away from air inlet cover 3 is inclined plane 10, through setting up intake pipe 5 to set up the one end of intake pipe 5 into inclined plane 10, thereby can effectually prevent that the rainwater from entering into the inside of epitheca 1 along air inlet cover 3.

Further, the air inlet of the air inlet hood 3 and the exhaust port of the exhaust hood 4 are both provided with movable plates 9, and the movable plates 9 can be opened through air flow by arranging the movable plates 9, so that the movable plates 9 are opened when the vehicle runs, the purpose that the movable plates 9 are closed when the vehicle stops is achieved, insects and the like can be effectively prevented from entering the upper shell 1, and the top ends of the two movable plates 9 are hinged to the air inlet hood 3 and the exhaust hood 4 through hinges respectively.

Further, the hookup location of epitheca 1 and inferior valve 2 is provided with buckler 11, a plurality of hexagonal screws 21 all are located the inside of buckler 11, buckler 11 includes U-shaped cover one 12 and U-shaped cover two 13 through grafting subassembly fixed connection, through setting up buckler 11, utilize U-shaped cover one 12 and U-shaped cover two 13 to protect hexagonal screws 21, separate it with the moisture in the external environment and come, thereby delay hexagonal screw 21 that can show the condition that the oxidation rusted appears.

Further, the plug-in components is including fixing the inserted block 14 at two 13 both ends of U-shaped cover, fix fixed block 15 at one 12 both ends of U-shaped cover and fix the flexure strip 16 on fixed block 15, seted up on the inserted block 14 with flexure strip 16 assorted slot 17, a plurality of spacing grooves 18 have been seted up to the internal surface of slot 17, be provided with on the flexure strip 16 with the spacing arch of spacing groove 18 assorted, through setting up the plug-in components, utilize the flexure strip 16 can carry out elastic deformation's characteristic, make the joint that spacing arch can be stable in the inside of spacing groove 18, thereby made things convenient for the installation and the dismantlement of U-shaped cover one 12 and U-shaped cover two 13.

Furthermore, a plurality of reinforcing ribs are arranged on the upper shell 1, and the reinforcing ribs and the upper shell 1 are integrally formed, so that the structural strength of the upper shell 1 can be enhanced by the reinforcing ribs.

The using method of the embodiment comprises the following steps: firstly, the lithium battery is installed in a space formed by the upper shell 1 and the lower shell 2, and the specific process is as follows: outwards pulls the elastic sheet 16, make spacing arch withdraw from the inside of spacing groove 18, later separate U-shaped cover one 12 and U-shaped cover two 13, expose its inside hexagonal screw 21, later pull down hexagonal screw 21, separate epitheca 1 and inferior valve 2, then can install the lithium cell, after the installation is accomplished, because the existence of supporting short column 6, make and form airflow channel between lithium cell and epitheca 1 and inferior valve 2, thereby in the electric bicycle driving process, the cold air in the external environment will pass through the surface of lithium cell through intake pipe 5 and the continuous flow of cover 3 of admitting air, take away the heat that its produced, discharge by exhaust hood 4 again, can enough prolong the life of lithium cell, also furthest's the condition of having avoided the lithium cell burning takes place.

Example 2

The structure of the lithium battery cell casing with good heat dissipation effect of the embodiment is basically the same as that of the lithium battery cell casing with good heat dissipation effect of the embodiment 1, and the difference is that: the bottom of the lower casing 2 is communicated with a drain pipe 19, and the bottom of the drain pipe 19 is provided with an insect-proof net 20, the drain pipe 19 is used for rapidly draining water which accidentally enters the upper casing 1, and the insect-proof net 20 is used for preventing insects from entering the inside of the upper casing 1 through the drain pipe 19 (see fig. 5).

The using method of the embodiment comprises the following steps: once water is accidentally introduced into the space formed by the upper case 1 and the lower case 2, the water discharge pipe 19 can rapidly discharge the water in the space to protect the lithium battery, and the insect net 20 is used for preventing insects from entering the interior of the upper case 1 through the water discharge pipe 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithium battery cell casing that radiating effect is good, includes epitheca (1) and inferior valve (2), its characterized in that: the upper casing (1) and the lower casing (2) are fixedly connected through a plurality of hexagonal screws (21), an air inlet hood (3) and an air exhaust hood (4) are respectively installed on two sides of the upper casing (1), the air inlet hood (3) and the air exhaust hood (4) are communicated with an inner cavity of the upper casing (1), a plurality of supporting short columns (6) are installed on the inner surfaces of the upper casing (1) and the lower casing (2), a rubber pad (7) is arranged at one end of each supporting short column (6), a rubber sleeve (8) is arranged on one side of each rubber pad (7), and one end of each supporting short column (6) is inserted into the rubber sleeve (8).

2. The lithium battery cell casing of claim 1, characterized in that: an air inlet pipe (5) is installed at an air inlet of the air inlet cover (3), and one end, far away from the air inlet cover (3), of the air inlet pipe (5) is an inclined plane (10).

3. The lithium battery cell casing of claim 1, characterized in that: the air inlet of the air inlet hood (3) and the exhaust port of the exhaust hood (4) are respectively provided with a movable plate (9), and the top ends of the two movable plates (9) are respectively hinged with the air inlet hood (3) and the exhaust hood (4) through hinges.

4. The lithium battery cell casing of claim 1, characterized in that: the waterproof cover is characterized in that a waterproof cover (11) is arranged at the connecting position of the upper shell (1) and the lower shell (2), a plurality of hexagonal screws (21) are located inside the waterproof cover (11), and the waterproof cover (11) comprises a first U-shaped cover (12) and a second U-shaped cover (13) which are fixedly connected through an inserting assembly.

5. The lithium battery cell casing of claim 4, characterized in that: the plug-in components including fix inserted block (14) at two (13) both ends of U-shaped cover, fix fixed block (15) at one (12) both ends of U-shaped cover and fix flexure strip (16) on fixed block (15), seted up on inserted block (14) with flexure strip (16) assorted slot (17), a plurality of spacing grooves (18) have been seted up to the internal surface of slot (17), be provided with on flexure strip (16) with spacing groove (18) assorted spacing arch.

6. The lithium battery cell casing of claim 1, characterized in that: the upper shell (1) is provided with a plurality of reinforcing ribs, and the reinforcing ribs and the upper shell (1) are integrally formed.

7. The lithium battery cell casing of claim 1, characterized in that: the bottom of the lower shell (2) is communicated with a drain pipe (19), and the bottom of the drain pipe (19) is provided with an insect-proof net (20).