CN213989047U

CN213989047U - Battery box for containing battery monomer

Info

Publication number: CN213989047U
Application number: CN202022884948.1U
Authority: CN
Inventors: 陈�胜; 陈国华; 陈绩廉; 肖凡
Original assignee: Zhejiang Nuociss Hvac Technology Co ltd
Current assignee: Zhejiang Nuociss Hvac Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-17
Anticipated expiration: 2030-12-03

Abstract

The utility model provides a battery box for containing single batteries, which comprises a shell made of aluminum or aluminum alloy material and a cover plate arranged above the shell, wherein the shell comprises a shell body and a shell bottom connected with the shell body; the shell body is connected with the shell bottom in a welding mode, so that a sealed containing space is formed inside the shell; the shell body and the shell bottom are integrally formed by welding, so that a sealed containing space is formed at the bottom of the shell, and the technical problem that the existing battery box cannot be waterproof is solved; the shell is formed by welding aluminum alloy, the heat dissipation effect of the aluminum alloy is good, the inner wall of the shell is in contact with the battery monomer contained in the shell, so that heat generated by the battery monomer is dissipated out through the aluminum alloy shell, and the heat dissipation effect is good; meanwhile, compared with the strength of a plastic battery box, the strength of the aluminum alloy is greatly improved, the service life is prolonged, and the safety performance of driving is improved.

Description

Battery box for containing battery monomer

Technical Field

The utility model relates to a battery case technical field especially relates to a free battery case of splendid attire battery.

Background

The device for converting chemical energy into electric energy is called a chemical battery, generally called a battery for short, and can regenerate internal active substances in a charging mode after discharging, namely, the electric energy is stored into the chemical energy, the chemical energy is converted into the electric energy again when discharging is needed, the battery is called a storage battery, also called a secondary battery, the storage battery can be recycled, the environment is more environment-friendly, and the outside of the storage battery needs to be protected by a storage battery shell. The storage battery generates a large amount of heat in the capacity conversion process, and if the heat is not timely dissipated, the service life of the battery is seriously influenced.

In the prior art, a battery shell body made of metal is adopted, and the bottom of the battery box is sealed by fixing a plastic bottom plate by screws, but the screws at the bottom are easy to loosen, so that the bottom cannot be completely waterproof, and the risk of water inflow in the battery box exists; meanwhile, if the battery is made of non-corrosion-resistant materials such as steel plates and the like, the battery is easy to corrode, so that the service life of the battery box is shortened; when the waste batteries are recycled, the plastic bottom plate is difficult to treat, so that plastic pollution is caused, and the environment is influenced;

the existing battery box is integrally formed by plastic, the heat dissipation performance of the plastic battery box is poor, so that the heat of a lithium battery is overlarge, the risk of battery leakage and the like is caused, and meanwhile, the plastic product is low in strength and easy to damage, so that the internal lithium battery is damaged, and the service life is influenced;

chinese utility model patent CN201920580221.9 discloses a novel lithium battery box, which comprises a battery box casing and a lithium battery support arranged inside the battery box casing; the utility model discloses an inside card establishes lithium battery support, and lithium battery support plays the effect fixed and the protection to the lithium cell, and the spacing block of lithium battery support both sides forms convex recess with the spacing block at middle part for place the lithium cell, two lithium battery support fix a plurality of circular lithium cells, then the card is located in the battery case casing, thereby fix the lithium cell and reduce the lithium cell and rock, and the louvre on lithium battery support and the battery case casing has increased ventilation cooling's performance.

However, the heat dissipation holes added in the technical scheme enable the interior of the battery box not to have a waterproof function, when rainwater enters the interior of the battery box, the battery is easy to be short-circuited, the internal structure of the battery is damaged, and the battery is scrapped; meanwhile, the general size of the battery box is large, the battery shell cannot be formed by stamping, and the screw columns arranged inside the battery shell cannot be formed by stamping.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a battery box for containing single batteries, wherein a shell body and a shell bottom are integrally formed into a shell by welding, so that a sealed containing space is formed at the bottom of the shell, and the technical problem of poor waterproof performance of the existing battery box is solved; the shell is formed by welding aluminum alloy, the heat dissipation effect of the aluminum alloy is good, the inner wall of the shell is in contact with the battery monomer contained in the shell, so that heat generated by the battery monomer is dissipated out through the aluminum alloy shell, and the heat dissipation effect is good; meanwhile, the strength of the aluminum alloy is greatly improved compared with that of the plastic battery box, so that the service life of the battery box is prolonged, and the driving safety performance is improved; the top of battery case adopts the apron to be connected with the casing and realizes the sealed at top, sets up the sealing washer simultaneously between apron and casing, improves sealed effect, guarantees the holistic sealing performance of battery case.

In order to achieve the above object, the utility model provides a following technical scheme:

a battery box for containing battery monomers is characterized by comprising a shell made of aluminum or aluminum alloy materials and a cover plate arranged above the shell, wherein the shell comprises a shell body and a shell bottom connected with the shell body; the shell body is connected with the shell bottom in a welding mode, so that a sealed containing space is formed inside the shell.

The welding mode can adopt laser welding, plasma welding or argon arc welding.

As an improvement, the shell body is of a barrel-shaped structure which penetrates through the shell body from top to bottom.

As a refinement, the shell body is circular or polygonal.

Wherein, the shape of shell bottom and shell body matches.

As an improvement, the outer circle size of the shell bottom is not larger than the outer dimension of the shell body.

As an improvement, a plurality of screw columns are arranged along the inner wall of the shell body.

As an improvement, the cover plate is connected with a plurality of screw columns on the shell through a plurality of bolts.

As an improvement, a sealing strip is arranged between the cover plate and the shell.

As an improvement, one side of the cover plate is provided with a charging socket, and the other side of the cover plate is hinged with a handle.

The beneficial effects of the utility model reside in that:

(1) the utility model adopts the welding integration molding of the shell body and the shell bottom to form the shell, so that the bottom of the shell forms a sealed containing space, and the technical problem of poor waterproof performance of the existing battery box is solved;

(2) the shell of the utility model is welded by aluminum alloy, the heat dissipation effect of the aluminum alloy is good, the inner wall of the shell is in contact with the battery monomer contained in the shell, so that the heat generated by the battery monomer is dissipated out through the aluminum alloy shell, and the heat dissipation effect is good;

(3) the utility model adopts the aluminum alloy to manufacture the battery case, so that the battery case has large strength, long service life and no pollution during recycling, and the service life of the battery case and the safety performance of the traveling crane are improved;

(4) the top of the battery box of the utility model is connected with the shell by the cover plate to realize the top sealing, and the sealing ring is arranged between the cover plate and the shell to improve the sealing effect and ensure the sealing performance of the whole battery box;

to sum up, the utility model has the advantages of sealing performance is good, waterproof grade is high, heat dispersion is good, intensity is big, longe-lived, retrieve pollution-free.

Drawings

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

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

FIG. 3 is a sectional view of the overall structure of the present invention;

FIG. 4 is a partial enlarged view of the position I of the present invention;

fig. 5 is a partial enlarged view of the position II of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1, a battery box for containing single batteries comprises a casing 1 made of aluminum or aluminum alloy and a cover plate 2 arranged above the casing 1, wherein the casing 1 comprises a casing body 11 and a casing bottom 12 connected with the casing body 11; the shell body 11 is connected with the shell bottom 12 in a welding mode, so that a sealed containing space 100 is formed inside the shell 1;

it should be noted that, the containing space is used for containing the single batteries, and the side surfaces of the single batteries are arranged in contact with the containing space 100, so that the stability of the single batteries is improved, and the heat dissipation performance is improved.

As an improvement, the welding mode can adopt laser welding, plasma welding or argon arc welding, but is not limited to the above modes, and the welding mode of connecting the shell body and the shell bottom can be realized.

As an improvement, the shell body 11 is a barrel-shaped structure which penetrates through the upper part and the lower part;

as a modification, the shell body 11 is circular or polygonal;

it should be noted that the shell 11 is designed according to different requirements, and may be selected from a circle, a triangle, a quadrangle, and a polygon.

As a refinement, housing bottom 12 is adapted to the shape of housing body 11.

As a modification, as shown in fig. 5, the outer circumference of the case bottom 12 is set to be not larger than the outer dimension of the case body 11;

it should be noted that, welding molding is performed at the intersection of the shell bottom 12 and the shell body 11, and the outer circle size of the shell bottom 12 is not larger than the outer dimension of the shell body 11, so as to improve the strength after welding; the strength of the battery shell is improved, and the appearance of the battery shell after welding can be ensured.

As an improvement, as shown in fig. 2, a plurality of screw posts 111 are arranged along the inner wall of the housing 11;

it should be noted that the housing 11 is made of a sectional material, which reduces the input cost, and the sectional material and the screw column are integrally formed, which improves the strength of the screw column.

As a modification, as shown in fig. 3, the cover plate 2 is connected to the screw posts 111 on the housing 1 through bolts 3;

it should be noted that when the bolt 3 is completely fixed to the housing 1, the top of the bolt is coated with a sealant 31 for sealing the bolt 3, so as to prevent rainwater from entering the battery box along the bolt connection.

As a modification, as shown in fig. 4, a sealing strip 4 is arranged between the cover plate 2 and the housing 1;

it should be noted that the shape of the sealing strip 4 is matched with the shape of the shell body 11.

As an improvement, as shown in fig. 1, a charging socket 21 is arranged on one side of the cover plate 2, and a handle 22 is hinged on the other side;

it should be noted that, a sealing ring is arranged at the joint of the charging socket 21 and the cover plate, so that rainwater is prevented from entering the battery box along the joint of the charging socket, and the sealing performance and the sealing grade of the battery box are improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A battery box for containing battery cells is characterized by comprising a shell (1) made of aluminum or aluminum alloy materials and a cover plate (2) arranged above the shell (1), wherein the shell (1) comprises a shell body (11) and a shell bottom (12) connected with the shell body (11); the shell body (11) is connected with the shell bottom (12) in a welding mode, so that a sealed containing space (100) is formed inside the shell (1).

2. A battery case for containing battery cells as claimed in claim 1, wherein the welding is laser welding, plasma welding or argon arc welding.

3. A battery case for containing battery cells as claimed in claim 1, wherein said case body (11) has a vertically penetrating barrel-shaped structure.

4. A battery case for containing battery cells as defined in claim 3, wherein said case body (11) is circular or polygonal.

5. A battery compartment for battery cells as claimed in claim 4, wherein said casing base (12) is shaped to match the shape of said casing body (11).

6. A battery case for containing battery cells as claimed in claim 1, wherein the outer dimensions of the case bottom (12) are set to be no greater than the outer dimensions of the case body (11).

7. A battery pack for containing battery cells as claimed in claim 1, wherein a plurality of screw posts (111) are provided along the inner wall of the case body (11).

8. A battery pack for single batteries according to claim 7, wherein said cover plate (2) is connected to said screw posts (111) of said case (1) by means of bolts (3).

9. A battery box for containing single batteries according to claim 1, wherein a sealing strip (4) is arranged between the cover plate (2) and the casing (1).

10. A battery box for containing single batteries according to claim 1, wherein the cover plate (2) is provided with a charging socket (21) at one side and a handle (22) at the other side.