CN211182284U

CN211182284U - Battery box

Info

Publication number: CN211182284U
Application number: CN201922102704.0U
Authority: CN
Inventors: 赵红亮; 胡冬冬; 曾志聪; 张鹏; 石桥
Original assignee: Shenzhen Clou Electronics Co Ltd
Current assignee: Shenzhen Clou Electronics Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-04
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to a battery box, include: the battery storage device comprises a support, a fan and a fan cover, wherein a cavity for storing a battery is arranged in the support, the front side surface of the cavity for storing the battery is an air outlet surface, the rear side surface of the cavity for storing the battery is an air inlet surface, the fan cover is connected with the support to form an air channel, the air inlet of the air channel is provided with the fan, the fan is used for forming air flow penetrating through the air channel, and the air outlet of the air channel covers the air inlet surface of the cavity for storing the battery; at least one section of the air duct is gradually reduced in cross section from the position close to the fan along the up-down direction of the support. Through the setting of wind channel cross section, battery module amount of wind uniformity has been improved to the temperature homogeneity of battery module has been improved.

Description

Battery box

Technical Field

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

Background

At present, with the development of the energy storage industry, the energy density of a box-type energy storage system is higher and higher, and along with the increase of the energy density, the heat productivity of a battery module is also higher and higher. How to ensure the temperature consistency of the battery modules in the energy storage system in the actual operation is very important.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery box can improve the battery box of battery module temperature homogeneity.

The utility model adopts the technical proposal that:

an embodiment of the utility model provides a battery box, include: the battery storage device comprises a support, a fan and a fan cover, wherein a cavity for storing a battery is arranged in the support, the front side surface of the cavity for storing the battery is an air outlet surface, the rear side surface of the cavity for storing the battery is an air inlet surface, the fan cover is connected with the support to form an air channel, the air inlet of the air channel is provided with the fan, the fan is used for forming air flow penetrating through the air channel, and the air outlet of the air channel covers the air inlet surface of the cavity for storing the battery; along the up-down direction of the bracket, the cross section of at least one section of the air channel is gradually reduced from the position close to the fan.

The utility model discloses battery box has following technological effect at least:

the utility model provides a battery box, along the direction about the support, by being close to fan department, has the cross section in one section wind channel to diminish gradually at least, can adjust the amount of wind of battery module about changing, has improved battery module amount of wind uniformity to the temperature homogeneity of battery module has been improved.

According to the utility model discloses some embodiments's battery box, along the upper and lower direction of support, by being close to fan department, has the thickness of one section fan housing to narrow down gradually at least.

According to the utility model discloses some embodiments's battery box still includes the drainage plate, and the drainage plate is installed on the fan housing, and the drainage plate includes the aviation baffle of the slope that stretches out to the support direction from the inner wall of fan housing. The installation position of the drainage plate is not fixed, and can be adjusted according to the placing quantity and the placing position of the battery modules.

According to the utility model discloses some embodiments's battery box, the aviation baffle stretches out along the direction of downward sloping.

According to the utility model discloses some embodiments's battery box, the drainage plate still includes the connecting plate, and connecting plate and inner wall laminating, and connecting plate and aviation baffle form "V" font.

According to the utility model discloses some embodiment's battery box still includes the multiunit fan, but each group's fan independently opens and close and speed regulation.

According to the utility model discloses battery box, support are equipped with multilayer support piece along upper and lower direction, the battery is shelved on support piece, is equipped with the clearance that the air feed stream passes through between the adjacent battery.

According to the utility model discloses some embodiment's battery box still includes the mesh board, and the mesh board is installed in vacant cavity.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a left side view of an embodiment of the invention;

fig. 3 is an enlarged schematic view of region a in fig. 2.

Reference numerals: the fan comprises a bracket 1, a fan 2, a fan cover 3, a flow guide plate 4, a connecting plate 410, an air deflector 420, a support part 5 and a mesh plate 6.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Example one

The utility model discloses an embodiment one provides a battery box, include: the battery storage device comprises a support 1, a fan 2 and a fan cover 3, wherein a cavity for storing a battery is arranged in the support, the front side surface of the cavity for storing the battery is an air outlet surface, the rear side surface of the cavity for storing the battery is an air inlet surface, the fan cover 3 is connected with the support 1 to form an air channel, the air inlet of the air channel is provided with the fan 2, the fan 2 is used for forming air flow penetrating through the air channel, and the air outlet of the air channel covers the air inlet surface of the cavity for storing the battery; along the up-down direction of the bracket, the thickness of the air duct gradually narrows from the position close to the fan.

Fan 2 injects the wind channel that fan housing 3 and support 1 formed with air conditioning, and air conditioning cools off the battery module through the trailing flank of support 1, and the leading flank of support 1 is the air-out face of steam, can convert steam into air conditioning through setting up the air conditioner, and rethread fan 2 injects the wind channel that fan housing 3 and support 1 formed with air conditioning, so the circulation is reciprocal, cools off the battery module.

Because the battery module generates a large amount of heat and has a large resistance in the actual operation, a direct-current high-rotation-speed industrial fan is generally selected. In the process of downward air filling of the fan 2, the fan cover 3 is connected with the support 1 to form an air channel, the air volume close to the air channel opening of the fan 2 is small, and the air volume far away from the air channel opening of the fan 2 is large. The width of the fan cover 3 is gradually narrowed, so that the air volume close to the air duct opening of the fan 2 can be improved, and the air volume far away from the air duct opening of the fan 2 is reduced, so that the air volume consistency of the whole battery module is improved, and the temperature uniformity of the battery module can be improved.

Under actual conditions, the measured data are as follows: in the case where no wind shield is installed, the first ten battery modules receive air flows 35.2356, 37.5689, 39.7896, 41.2597, 43.2574, 45.6879, 47.5671, 49.3652, 51.3692 and 54.2489 in cfm along the direction from top to bottom of the rack 1, wherein the difference between the maximum value and the minimum value is divided by the maximum value, and the air flow difference is 19.01%.

In the case where the wind cowl 3 is installed, the same ten battery modules receive air flows of 46.3399, 47.2489, 47.9651, 48.4503, 48.7872, 48.9652, 49.0012, 48.9217, 48.7385, 48.9334 in cfm, where the difference between the maximum value and the minimum value is divided by the maximum value, and the air flow difference is 5.3%.

The embodiment of the utility model provides a beneficial effect is: the thickness of the air duct 3 gradually narrows from the position close to the fan 2 along the up-down direction of the bracket 1, so that the air volume of the upper battery module and the lower battery module can be adjusted and changed; the air quantity consistency of the battery module is improved, and the temperature uniformity of the battery module is improved.

Example two

The utility model discloses an embodiment two provides a battery box, include: the battery storage device comprises a support 1, a fan 2 and a fan cover 3, wherein a cavity for storing a battery is arranged in the support, the front side surface of the cavity for storing the battery is an air outlet surface, the rear side surface of the cavity for storing the battery is an air inlet surface, the fan cover 3 is connected with the support 1 to form an air channel, the air inlet of the air channel is provided with the fan 2, the fan 2 is used for forming air flow penetrating through the air channel, and the air outlet of the air channel covers the air inlet surface of the cavity for storing the battery; the fan cover is arranged in two sections along the vertical direction of the support, the first section is the thickness of the fan cover is unchanged, and the second section is the thickness of the fan cover gradually narrowed.

The embodiment of the utility model provides a second beneficial effect is: along the up-down direction of the bracket 1, the fan cover 3 is arranged in two sections, one section has constant thickness, the other section has gradually narrowed thickness, and the air volume of the upper battery module and the lower battery module can be adjusted and changed; the air quantity consistency of the battery module is improved, and the temperature uniformity of the battery module is improved.

EXAMPLE III

Compared with the first embodiment, the third embodiment further comprises a flow guide plate 4, and the flow guide plate 4 is installed on the fan housing 3. The drainage plate 4 is installed on the fan housing 3, the drainage plate 4 comprises an inclined air deflector 420 extending from the inner wall of the fan housing 3 to the direction of the support 1, and the air deflector 420 extends along the downward inclined direction. The flow guide plate 4 further includes a connecting plate 410, the connecting plate 410 is attached to the inner wall of the fan housing, and the connecting plate 410 and the air guide plate 420 form a V shape. The drainage plate 4 hangs on the fan housing 3, can adjust the position of drainage plate 4 according to the quantity of placing of battery module. Through increasing drainage plate 4, improved the amount of wind of the battery module that is close to drainage plate 4 department.

In other embodiments of the present invention, the battery box includes a plurality of sets of fans 2, and each set of fans 2 can be independently opened and closed and can adjust the rotation speed. The number of the fans 2 may be adjusted according to the number of the battery modules.

The utility model discloses an in other embodiments, be equipped with multilayer support piece 5 along vertical direction on the support 1, the battery module is shelved on support piece 5, is equipped with the clearance that the air feed stream passes through between the adjacent battery module. To the support piece 5 that does not place battery module, be provided with mesh plate 6 in corresponding support 1 position department, through increasing mesh plate 6, can reach the same resistance effect to improve the amount of wind uniformity of whole battery module.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. A battery box, comprising: the battery air conditioner comprises a support, fans and a fan cover, wherein a cavity for storing batteries is arranged in the support, the front side surface of the cavity is an air outlet surface, the rear side surface of the cavity is an air inlet surface, the fan cover is connected with the support to form an air channel, the fans are arranged at air inlets of the air channel and are used for forming air flow penetrating through the air channel, and air outlets of the air channel cover the air inlet surfaces of the cavities; at least one section of the air duct has a gradually reduced cross section along the up-down direction of the bracket.

2. The battery box according to claim 1, wherein at least one section of the wind shield has a gradually narrowing thickness along the up-down direction of the bracket.

3. The battery box of claim 1, further comprising a flow guide plate mounted on the hood, the flow guide plate comprising an inclined air guide plate extending from an inner wall of the hood toward the bracket.

4. The battery box according to claim 3, wherein the air guide plate protrudes in a downward-inclined direction.

5. The battery box of claim 4, wherein the flow guide plate further comprises a connecting plate, the connecting plate is attached to the inner wall, and the connecting plate and the air guide plate form a V shape.

6. The battery box of claim 1, further comprising a plurality of sets of fans, each fan being capable of independently turning on and off and adjusting the rotational speed.

7. The battery box according to claim 1, wherein the support is provided with a plurality of layers of supports in the up-down direction, the batteries rest on the supports, and gaps for air flow are provided between adjacent batteries.

8. The battery box of claim 1, further comprising a mesh panel mounted within the empty cavity.