CN217281057U

CN217281057U - Battery box and consumer

Info

Publication number: CN217281057U
Application number: CN202220773716.5U
Authority: CN
Inventors: 黄英雄
Original assignee: Xiamen Haichen New Energy Technology Co Ltd
Current assignee: Xiamen Hithium Energy Storage Technology Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-23
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a battery box and consumer, battery box includes: a plurality of cells; the box, be provided with accommodation space in the box, a plurality of electric cores set up in accommodation space and set up with box width direction's both sides interval, one side of box length direction is provided with air outlet and width direction's at least one side and is provided with wind-guiding portion, wind-guiding portion extends the setting along box length direction, the box, inject the wind-guiding wind channel between electric core and the wind-guiding portion, in the direction that is close to the air outlet, wind-guiding portion sets up towards accommodation space protrusion gradually to form the wind-guiding wind channel of width convergent. From this, through in the direction that is close to the air outlet, make wind-guiding portion towards accommodation space protrusion setting gradually, can promote the speed of the flow of wind in the wind-guiding wind channel like this to can promote the heat dispersion of battery box, and then can promote the structural reliability of battery box.

Description

Battery box and consumer

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to a battery box and consumer is related to.

Background

With the development of technology and production requirements, heat dissipation of batteries in electric devices becomes an important factor limiting power of electric devices, and is receiving more and more attention.

In the prior art, the width of a heat dissipation air duct in a battery box of electric equipment is equal, and when wind flows in the heat dissipation air duct, the flow velocity is gradually reduced, so that the heat dissipation efficiency of the electric equipment is reduced, and the reliability of the electric equipment is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery box, the radiating efficiency of this battery box is higher.

The utility model further provides an electric equipment.

According to the utility model discloses battery box, include: a plurality of cells; the battery box comprises a box body, wherein a containing space is arranged in the box body, a plurality of battery cells are arranged in the containing space and are arranged at intervals on two sides of the width direction of the box body, an air outlet is arranged on one side of the length direction of the box body, at least one side of the width direction of the box body is provided with an air guide part, the air guide part extends along the length direction of the box body, an air guide air channel is defined among the box body, the battery cells and the air guide part, and the air guide part gradually protrudes towards the containing space in the direction close to the air outlet so as to form the air guide air channel with gradually reduced width.

From this, through on the direction that is close to the air outlet, make wind-guiding portion towards accommodation space gradually protrusion setting, can promote the speed of the flow of wind in the wind-guiding wind channel like this to can promote the heat dispersion of battery box, and then can promote the structural reliability of battery box.

According to some embodiments of the utility model, wind-guiding portion orientation accommodation space side surface wind-guiding surface, wind-guiding surface is inclined plane or cambered surface.

According to some embodiments of the utility model, the wind-guiding surface with correspond be formed with contained angle alpha between the side surface of box width direction, alpha satisfies the relational expression: alpha is more than or equal to 0 degree and less than or equal to 30 degrees.

According to some embodiments of the invention, α satisfies the relation: alpha is more than or equal to 10 degrees and less than or equal to 20 degrees.

According to some embodiments of the utility model, wind-guiding portion is protruding for the wind-guiding, the bellied cross-sectional area of wind-guiding is being close to increase gradually in the direction of air outlet.

According to some embodiments of the present invention, in one side of the box width direction, the wind guiding portion is along a dimension extending in the box length direction is a, the length of the box is b, and a and b satisfy the relation: a is more than 0.3b and less than 0.7 b.

According to some embodiments of the present invention, in the height direction of the box body, the upper end of the air guiding portion does not exceed the upper end of the battery cell, and/or the lower end of the air guiding portion does not exceed the lower end of the battery cell.

According to the utility model discloses a some embodiments, box width direction's both sides are in the wind-guiding wind channel is kept away from the one end of air outlet is provided with the air intake, the air intake with the wind-guiding wind channel is linked together.

According to the utility model discloses a some embodiments, the box includes: the upper cover is arranged at the top of the lower box body, and the air guide part is integrally formed on the lower box body in a punching mode.

According to the utility model discloses power consumption equipment, include: the battery box described above.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a battery box according to an embodiment of the present invention;

fig. 2 is a partial schematic view of a battery box according to an embodiment of the present invention;

fig. 3 is a schematic view of a box body according to an embodiment of the present invention.

Reference numerals:

100. a battery box;

10. an electric core;

20. a box body; 21. an accommodating space; 22. a wind guide part; 221. an air guide surface; 23. an air guide duct; 24. an air inlet; 25. an air outlet; 26. an upper cover; 27. a lower box body.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

The battery box 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3, and the battery box 100 may be applied to an electric device.

As shown in fig. 1 to 3, a battery box 100 according to an embodiment of the present invention may mainly include: a plurality of electric cores 10 and box 20, wherein, be provided with accommodation space 21 in the box 20, a plurality of electric cores 10 set up in accommodation space 21, and set up with the both sides interval of box 20 width direction, one side of box 20 length direction is provided with air outlet 25, and at least one side of width direction is provided with wind-guiding portion 22, wind-guiding portion 22 extends along box 20 length direction and sets up, box 20, inject wind-guiding wind channel 23 between electric core 10 and the wind-guiding portion 22, in the direction that is close to air outlet 25, wind-guiding portion 22 sets up towards accommodation space 21 protrusion gradually, in order to form the wind-guiding wind channel 23 of width convergent.

Specifically, a plurality of battery cells 10 are disposed in the accommodating space 21, and two sides of the plurality of battery cells 10 and the box 20 in the width direction are disposed at intervals, the air guiding portion 22 is disposed on at least one side of the box 20 in the width direction, and the air outlet 25 is disposed on one side of the box 20 in the length direction, so that the air guiding portion 22 gradually protrudes toward the accommodating space 21, and thus the box 20, the battery cells 10 and the air guiding portion 22 jointly define the air guiding duct 23 between the two sides of the box 20 in the width direction and the battery cells 10, and the width of the air guiding duct 23 is reduced, so that the flow velocity of the air is gradually increased in the process that the air flows to the air outlet 25 under the guiding action of the air guiding duct 23, so that the heat dissipation performance of the battery box 100 is improved on the premise that the stable and reliable arrangement of the battery cells 10 in the box 20 is ensured, and thus the reliability of the battery box 100 can be improved.

As shown in fig. 2 and 3, the air guide surface 221 is formed on the surface of the air guide portion 22 facing the accommodating space 21, and the air guide surface 221 is a slanted plane or a curved surface. Specifically, by providing the air guide surface 221 on the side of the air guide portion 22 facing the accommodating space 21, the air guide surface 221 can guide the air in the air guide duct 23, so that the smoothness and speed of the air flow can be improved, and the heat dissipation performance of the battery box 100 can be improved. Further, according to the requirement of the production process of the battery box 100, the air guide surface 221 can be set to be an inclined plane and an arc surface, so that the air guide portion 22 can be conveniently produced and manufactured on the premise of ensuring the reliability of the air guide surface 221 in guiding the air.

As shown in fig. 2 and 3, an included angle α is formed between the air guide surface 221 and the corresponding one side surface of the box 20 in the width direction, and α satisfies the following relation: alpha is not less than 0 and is not more than 30 degrees, so set up, can make between the lateral surface of wind-guiding face 221 and box 20 width direction form the contained angle and be in reasonable within range, not only can prevent that the contained angle between one side of wind-guiding face 221 and box 20 width direction is too big, lead to wind-guiding portion 22 to occupy the interior too much space of box 20, influence the normal installation setting of electric core 10 in box 20, and can also prevent the contained angle undersize between one side of wind-guiding face 221 and box 20 width direction, it is not good to lead to wind-guiding face 221 to be the direction effect of wind, wind-guiding air duct 23 can not play effectual increase effect to the velocity of flow of wind, thereby can make battery box 100's heat dispersion not good.

As shown in fig. 2 and 3, α satisfies the relationship: alpha is more than or equal to 10 degrees and less than or equal to 20 degrees, so that an included angle formed between the air guide surface 221 and the surface of one side of the box body 20 in the width direction is more reasonable, the air guide part 22 can be conveniently arranged on the box body 20, and the structural reliability of the battery box 100 can be improved.

As shown in fig. 2 and 3, the air guide portion 22 is an air guide protrusion, and the cross-sectional area of the air guide protrusion gradually increases in a direction approaching the air outlet 25. Specifically, by setting the air guide portion 22 to be the air guide protrusion, since the spacing distance between the two sides of the electrical core 10 and the width direction of the battery box 100 is not changed, the cross-sectional area of the air guide protrusion is gradually increased in the direction close to the air outlet 25, so that the width of the air guide air duct 23 is gradually reduced in the direction close to the air outlet 25, and by such setting, not only the structure of the air guide portion 22 can be simpler, but also the principle of guiding the air by the air guide portion 22 to the air can be simpler and more direct, so that the structure of the battery box 100 can be simplified, and the production and manufacturing of the battery box 100 can be facilitated.

Referring to fig. 1 to 3, on one side of the width direction of the box 20, the dimension of the air guiding portion 22 extending along the length direction of the box 20 is a, the length of the box 20 is b, and a and b satisfy the following relation: 0.3b < a < 0.7b, so set up, can make wind-guiding duct 23 moderate to the direction length of wind, can guarantee that wind-guiding duct 23 leads the prerequisite of air outlet 25 with wind steadily under, prevent that wind-guiding duct 23's length is too big, battery box 100 can't effective air inlet to and the velocity of flow of wind is too low when being led air outlet 25 by wind-guiding duct 23, can guarantee battery box 100's structural reliability like this.

With reference to fig. 1-3, in the height direction of the box 20, the upper end of the air guiding portion 22 does not exceed the upper end of the electrical core 10, and the lower end of the air guiding portion 22 does not exceed the lower end of the electrical core 10, so as to ensure that the upper end and the lower end of the air guiding portion 22 do not exceed the upper end of the electrical core 10, and the lower end of the air guiding portion 22 does not exceed the lower end of the electrical core 10, so that the air guiding duct 23 and the electrical core 10 correspond to each other, thereby avoiding the unnecessary increase of the size of the air guiding duct 23 on the premise of ensuring the stable heat dissipation of the air guiding duct 23 to the electrical core 10, and reducing the structural reliability of the battery box 100.

Referring to fig. 3, air inlets 24 are disposed at two sides of the case 20 in the width direction at an end of the air guiding duct 23 away from the air outlet 25, and the air inlets 24 are communicated with the air guiding duct 23. Specifically, set up air intake 24 with the both sides of box 20 width direction in the one end that air guide duct 23 kept away from air outlet 25, wind flows into in the box 20 back from air intake 24, can make wind directly get into air guide duct 23, so set up, can make wind get into the distance between the air guide duct 23 shorter from the inlet port on the one hand, thereby can make things convenient for wind to get into air guide duct 23, thereby can guarantee air guide duct 23 apoplexy's flow and velocity of flow, and then can promote battery box 100's heat dispersion, on the other hand can make 24 make full use of box 20 width direction both sides space, can further optimize box 20's structural design like this.

As shown in fig. 1, the case 20 includes: upper cover 26 and lower box 27, upper cover 26 sets up in the top of lower box 27, and integrative stamping forming in lower box 27 of wind-guiding portion 22 not only can guarantee like this that wind-guiding portion 22 is stable firm on lower box 27, but also can promote wind-guiding portion 22 and set up simpler directness on lower box 20, can promote the structural reliability of battery box 100 like this.

According to the utility model discloses power consumption equipment, include: the battery box 100 applies the battery box 100 to the electric equipment, and the excellent heat dissipation performance of the battery box 100 can be relied on the premise that the structure and the volume of the electric equipment are not increased, so that the heat dissipation stability of the electric equipment is improved, and the reliability of the electric equipment can be improved.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and 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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery box, comprising:

a plurality of cells;

the battery box comprises a box body, wherein a containing space is formed in the box body, a plurality of battery cells are arranged in the containing space and are arranged at intervals on two sides of the width direction of the box body, an air outlet is formed in one side of the length direction of the box body, an air guide portion is arranged on at least one side of the width direction of the box body, the air guide portion extends along the length direction of the box body, an air guide air duct is defined between the box body and the battery cells and between the air guide portion, and the air guide portion is gradually protruded towards the containing space in the direction close to the air outlet so as to form the air guide air duct with gradually reduced width.

2. The battery box according to claim 1, wherein the air guide portion faces an air guide surface on one side surface of the accommodating space, and the air guide surface is an inclined plane or an arc surface.

3. The battery box of claim 2, wherein an included angle α is formed between the air guide surface and the corresponding one side surface of the box body in the width direction, and α satisfies the relation: alpha is more than or equal to 0 degree and less than or equal to 30 degrees.

4. A battery box according to claim 3, characterized in that α satisfies the relation: alpha is more than or equal to 10 degrees and less than or equal to 20 degrees.

5. The battery box according to claim 1, wherein the air guide portion is an air guide protrusion, and a cross-sectional area of the air guide protrusion gradually increases in a direction toward the air outlet.

6. The battery box according to claim 1, wherein a dimension of the air guide portion extending in the box length direction on one side in the box width direction is a, a length of the box is b, and a and b satisfy the relation: a is more than 0.3b and less than 0.7 b.

7. The battery box of claim 1, wherein in the height direction of the box body, the upper end of the air guide portion does not exceed the upper end of the battery cell, and/or the lower end of the air guide portion does not exceed the lower end of the battery cell.

8. The battery box of claim 1, wherein air inlets are provided at two sides of the box in the width direction at an end of the air guiding duct away from the air outlet, and the air inlets are communicated with the air guiding duct.

9. The battery box of claim 1, wherein the box body comprises: the upper cover is arranged at the top of the lower box body, and the air guide part is integrally formed on the lower box body in a punching mode.

10. An electrical device, comprising: the battery case of any one of claims 1-9.