CN221080119U - Energy storage cabinet and energy storage system - Google Patents

Abstract

The utility model discloses an energy storage cabinet and an energy storage system. The energy storage cabinet comprises a cabinet body, a refrigeration assembly and an air guide assembly, wherein the cabinet body is provided with a first accommodating cavity, and the refrigeration assembly is positioned at the top side of the cabinet body and is used for introducing cold air into the first accommodating cavity. The wind-guiding subassembly sets up in first holding intracavity, and the wind-guiding subassembly includes first wind-guiding spare, a plurality of second wind-guiding spare and a plurality of samming wind spare, is used for placing the group battery between the adjacent second wind-guiding spare. The first wind-guiding piece can distribute the cold wind of refrigeration subassembly to a plurality of second wind-guiding pieces, and the equal wind piece can restrict the ability of cold wind outflow first wind-guiding piece to realize equal wind effect, and the emergence direction of cold wind can be changed to the second wind-guiding piece. Through the wind-guiding subassembly can be with carrying out the air-out from the both sides of left and right sides direction to the cold wind evenly distributed of follow topside air inlet, can realize the even cooling to a plurality of batteries.

Description

Energy storage cabinet and energy storage system

Technical Field

The utility model relates to the technical field of heat dissipation of energy storage devices, in particular to an energy storage cabinet and an energy storage system.

Background

The related art stores the battery module through the energy storage cabinet to realize arrangement and protection of a plurality of batteries of the battery module. Heat is generated during the operation of the battery, and heat dissipation is required to ensure the electric performance and the safety performance of the battery. Related art installs wall-hanging air conditioner on the cabinet door generally, comes to satisfy the heat dissipation demand of battery module in the battery cabinet through air conditioner output cold wind. However, cold air sent out by the overhead air conditioner in the battery cabinet is local jet flow, so that the problem of uneven air distribution exists, the cooling effect on batteries at different positions is different, the temperature consistency of each battery is difficult to ensure, and the power output performance is influenced, so that improvement on a heat dissipation structure is necessary.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the energy storage cabinet which can uniformly cool the stored battery.

The utility model further provides an energy storage system with the energy storage cabinet.

According to the embodiment of the utility model, the energy storage cabinet comprises a cabinet body, a refrigeration assembly and an air guide assembly, wherein the cabinet body is provided with a first accommodating cavity, and the cabinet body is provided with a top side and a bottom side which are opposite in a first direction. The refrigerating assembly is located on the top side of the cabinet body and is provided with a refrigerating port, and the refrigerating port is communicated with the first accommodating cavity. The air guide assembly is arranged in the first accommodating cavity and comprises a first air guide piece, a plurality of second air guide pieces and a plurality of air equalizing pieces, the first air guide pieces and the second air guide pieces are sequentially arranged along the direction from the top side to the bottom side, the first air guide pieces are provided with a first air inlet and a plurality of first air outlets, the first air inlets are communicated with the refrigerating ports, and the first air inlets are communicated with the first air outlets; the second air guide pieces are provided with second air inlets and second air outlets, the second air inlets are communicated with the first air outlets one by one, the second air guide pieces are arranged at intervals along a second direction perpendicular to the first direction, the second air outlets are arranged on one side, facing the adjacent second air guide pieces, of each second air guide piece, and a battery pack is placed between the adjacent second air guide pieces; the air homogenizing device is characterized in that at least one of the first air outlet and the second air inlet is correspondingly provided with an air homogenizing piece, the air homogenizing piece is provided with a plurality of ventilation holes, and the ventilation holes are respectively communicated with the first air outlet and the second air inlet.

The energy storage cabinet provided by the embodiment of the utility model has at least the following beneficial effects: the air guide assembly uniformly distributes cold air entering from the top side to two sides in the second direction to perform air outlet, so that uniform cooling of a plurality of batteries can be realized. After cold air of the refrigeration assembly flows into the first air inlets from the refrigeration openings, the cold air can be distributed to each first air outlet from the first air inlets in the first air guide piece. Wherein, the equal wind spare that first air outlet and/or second air intake department correspond the setting provides the circulation passageway for cold wind through a plurality of ventilation holes, and the aperture size through the ventilation hole in order to further reduce the velocity of flow of cold wind, reduces the velocity that cold wind flows from first air outlet for cold wind can be in the more even of first wind-guiding spare distribution, in order to make cold wind even distribution to each second air intake. And after entering the second air guide piece from the second air inlet, the cold air finally exits from the second air outlet opposite to the second air inlet to cool the batteries.

According to some embodiments of the utility model, the air guiding assembly includes at least three second air guiding members, wherein the second air guiding members located at two ends in the second direction are end members, the second air guiding members located between the opposite end members are intermediate members, one side of the end members in the second direction is provided with the second air outlet, and two sides of the intermediate members in the second direction are provided with the second air outlet.

According to some embodiments of the utility model, the intermediate member is provided with a first cavity, a second cavity and a plurality of second air inlets, the first cavity and the second cavity are respectively communicated with at least one second air inlet, the intermediate member is provided with a first wall and a second wall opposite to each other in the second direction, the first wall and the second wall are respectively provided with the second air outlets, the second air outlets arranged on the first wall are communicated with the first cavity, and the second air outlets arranged on the second wall are communicated with the second cavity.

According to some embodiments of the utility model, one of the first and second chambers that is relatively close to the first air intake in the second direction has a smaller volume than the other.

According to some embodiments of the utility model, the second air guiding member is provided with a plurality of second air outlets, the second air outlets are sequentially arranged along the first direction, and the opening sizes of the second air outlets are sequentially increased along the arrangement direction of the top side towards the bottom side.

According to some embodiments of the utility model, the openings of the second air outlets have the same size in the first direction, and the sizes of the openings of the second air outlets in the third direction are sequentially increased along the arrangement direction of the top side toward the bottom side, wherein the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction.

According to some embodiments of the utility model, the second air guiding member is provided with a plurality of second air outlets, and the plurality of second air outlets are sequentially arranged along the first direction; the outer surface of second wind-guiding spare still is provided with a plurality of bearing structures, the second air outlet towards one side of bottom side corresponds to be provided with bearing structure, bearing structure is used for supporting the battery.

According to some embodiments of the utility model, in the two air equalizing pieces, the number of the ventilation holes of the air equalizing piece relatively far from the first air inlet in the second direction is A1, and the number of the ventilation holes of the air equalizing piece relatively close to the first air inlet in the second direction is A2, which satisfies the following conditions: a1 > A2. And/or, in the two air equalizing pieces, the area of the vent hole of the air equalizing piece relatively far away from the first air inlet in the second direction is M1, and the area of the vent hole of the air equalizing piece relatively close to the first air inlet in the second direction is M2, so that the following conditions are satisfied: m1 > M2.

The energy storage system according to the embodiment of the utility model comprises a battery pack and the energy storage cabinet according to any of the embodiments, wherein the battery pack comprises a plurality of batteries, the plurality of batteries are arranged along the first direction, and the battery pack is arranged between the two second air guide pieces.

The energy storage system provided by the embodiment of the utility model has at least the following beneficial effects: by applying the energy storage cabinet provided by the embodiment of the utility model, the cooling effect on each battery of the battery pack can be uniformly achieved on the basis of providing accommodation and protection for the battery pack.

According to some embodiments of the utility model, the battery comprises a battery core, a shell and a wind-driving part, wherein the shell is provided with a second accommodating cavity, the battery core is accommodated in the second accommodating cavity, the shell is provided with a plurality of third air inlets, the third air inlets are communicated with the second accommodating cavity, the two sides of the shell in the second direction are provided with the third air inlets, the wind-driving part is arranged on one side of the shell in the third direction, the wind-driving part is communicated with the second accommodating cavity, the wind-driving part is used for guiding gas in the second accommodating cavity outwards in the third direction, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an energy storage cabinet according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an energy storage cabinet according to an embodiment of the utility model;

FIG. 3 is a schematic view of the first air guiding member of FIG. 1;

FIG. 4 is a top view of the second wind guide of FIG. 1;

FIG. 5 is a schematic diagram of a wind equalization member of an energy storage cabinet according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a wind equalization member of an energy storage cabinet according to another embodiment of the present utility model;

FIG. 7 is a schematic view of a second air guiding member of FIG. 1;

FIG. 8 is a side view of one of the second wind guides of FIG. 7;

Fig. 9 is a cross-sectional view of the battery of fig. 1.

Reference numerals:

the cabinet body 100, the first accommodating cavity 110 and the cabinet door 120;

A refrigeration assembly 200, a refrigeration port 210;

The air guiding assembly 300, the first air guiding piece 310, the first air inlet 311, the first air outlet 312, the second air guiding piece 320, the second air inlet 321, the second air outlet 322, the supporting structure 323, the end piece 330, the middle piece 340, the first cavity 341, the second cavity 342, the first wall 343, the second wall 344, the air equalizing piece 350 and the ventilation hole 351;

The battery 400, the electric core 410, the shell 420, the second accommodating cavity 421, the third air inlet 422 and the air driving piece 430.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The energy storage cabinet and the energy storage system according to the embodiments of the present application are described below with reference to the specification. In which a battery 400 is shown in the energy storage cabinet of fig. 1 and 2. The direction of flow of the cold air is shown by the arrows in fig. 9. The first air inlet 311 is shown by a broken line in fig. 5 and 6. In the drawings, the first direction is shown in the up-down direction, the upper side is the top side, the lower side is the bottom side, the second direction is shown in the left-right direction, and the third direction is shown in the front-back direction.

Referring to fig. 1 to 7, the energy storage cabinet according to the embodiment of the present utility model includes a cabinet body 100, a cooling assembly 200, and an air guide assembly 300, the cabinet body 100 is provided with a first receiving chamber 110, and the cabinet body 100 has opposite top and bottom sides in a first direction. The cooling assembly 200 is located at the top side of the cabinet 100, and the cooling assembly 200 is provided with a cooling port 210, and the cooling port 210 communicates with the first accommodating cavity 110 to input cool air into the first accommodating cavity 110 from the top side. The air guiding assembly 300 is disposed in the first accommodating cavity 110, and the air guiding assembly 300 can uniformly distribute the cold air entering from the top side to two sides in the second direction for air outlet. The air guiding assembly 300 includes a first air guiding member 310, a plurality of second air guiding members 320 and a plurality of air homogenizing members 350, wherein the first air guiding member 310 and the second air guiding members 320 are sequentially arranged along the direction from the top side to the bottom side, the first air guiding member 310 is provided with a first air inlet 311 and a plurality of first air outlets 312, the first air inlet 311 is communicated with the refrigerating port 210, and the first air inlet 311 is communicated with each first air outlet 312; the second air guide members 320 are provided with second air inlets 321 and second air outlets 322, each second air inlet 321 is communicated with each first air outlet 312 one by one, each second air guide member 320 is arranged at intervals along a second direction perpendicular to the first direction, the second air outlets 322 are arranged on one side, facing the adjacent second air guide members 320, of each second air guide member 320, and the adjacent second air guide members 320 are used for accommodating battery 400 groups. At least one of the first air outlet 312 and the second air inlet 321 is correspondingly provided with an air equalizing member 350, the air equalizing member 350 is provided with a plurality of ventilation holes 351, and the ventilation holes 351 are respectively communicated with the first air outlet 312 and the second air inlet 321.

The air guide assembly 300 uniformly distributes the cold air from the top side to the two sides in the second direction for air outlet, so that uniform cooling of the plurality of batteries 400 can be realized. After the cold air of the refrigeration assembly 200 flows into the first air inlet 311 from the refrigeration port 210, the cold air can be distributed from the first air inlet 311 to each first air outlet 312 in the first air guide 310. Wherein, the first air outlet 312 and/or the second air inlet 321 are/is provided with the air homogenizing member 350 corresponding to each other, the ventilation channels are provided for the cold air through the plurality of ventilation holes 351, and the aperture size of the ventilation holes 351 is used for further reducing the flow rate of the cold air, reducing the outflow speed of the cold air from the first air outlet 312, so that the cold air can be distributed more uniformly in the first air guiding member 310, and the cold air can be distributed uniformly to each second air inlet 321. After entering the second air guide 320 from the second air inlet 321, the cold air finally exits from the second air outlet 322 opposite to the second air inlet to cool the plurality of batteries 400.

Compared with the mode that the cold air of the refrigeration assembly 200 is directly blown from the top side to the battery 400 in the related art, the cold air is guided to the two sides of the battery 400 through the air guide assembly 300 to cool the battery 400, so that the cold air can be used for coating the battery 400 as much as possible, a better cooling effect is achieved, the cold air can move along the first direction from the side face more easily, so that the distribution of the cold air in the first direction is more uniform, and good cooling effects can be achieved for a plurality of batteries 400 arranged along the first direction.

Specifically, an air inlet runner and a plurality of air outlet branch runners may be disposed in the first air guiding member 310, the air inlet runner is communicated with the first air inlet 311, each air outlet branch runner is communicated with the runner, each air outlet branch runner is communicated with each first air outlet 312, and the air inlet runner and the plurality of air outlet branch runners are used for reducing the speed of the incident cold air and distributing the cold air to each first air outlet 312. Or in other embodiments, a mixing cavity may be disposed in the first air guiding member 310, the first air inlet 311 and the second air outlets 322 are respectively connected to two sides of the mixing cavity in the first direction, and cold air mixes in the mixing cavity to achieve speed reduction, and after the mixing is uniform, air is discharged from the second air outlets 322 respectively.

The refrigeration assembly 200 may be provided with a top side outside the cabinet 100, and the refrigeration port 210 of the refrigeration assembly 200 may be communicated with the first accommodating cavity 110 by providing a through hole in the cabinet 100. The refrigeration assembly 200 may also be disposed on the top side of the interior of the cabinet 100 such that the refrigeration port 210 is located within the first receiving cavity 110. Or the cabinet body 100 is provided with a cabinet door 120 which can be opened and closed, and the refrigerating assembly 200 is connected to the cabinet door 120.

The air equalizing member 350 may be disposed in the opening of the first air outlet 312, or the air equalizing member 350 may be disposed in the opening of the second air inlet, or the air equalizing member 350 may be disposed between the first air guiding member 310 and the second air guiding member 320, as long as the air equalizing member 350 covers the second air inlet and the first air outlet 312. The air equalizing member 350 may be selected from a device having ventilation holes such as a grill, an air filter plate, etc. The shape of the ventilation hole 351 of the air equalizing member 350 is not particularly limited, and may be a regular or irregular shape such as a circle, an ellipse, a kidney shape, a rectangle, a triangle, etc.

Referring to fig. 1, 4 and 7, in some embodiments, the air guide assembly 300 includes at least three second air guide members 320, wherein the second air guide members 320 located at both ends in the second direction are end members 330, the second air guide members 320 located between opposite end members 330 are intermediate members 340, one side of the end members 330 in the second direction is provided with second air outlets 322, and both sides of the intermediate members 340 in the second direction are provided with second air outlets 322. By providing the end members 330 and the intermediate members 340, it is possible to achieve accommodation of the plurality of sets of the batteries 400 arranged in the first direction and to secure a cooling effect on each set of the batteries 400. The second air outlets 322 are disposed on two sides of the middle piece 340, so that the number of second air guiding pieces 320 required to be disposed can be reduced, and double-sided air outlet can be realized through one middle piece 340.

Further, the intermediate member 340 is provided with a first cavity 341, a second cavity 342 and a plurality of second air inlets 321, the first cavity 341 and the second cavity 342 are respectively communicated with at least one second air inlet 321, the intermediate member 340 has a first wall 343 and a second wall 344 opposite to each other in a second direction, the first wall 343 and the second wall 344 are respectively provided with a second air outlet 322, the second air outlet 322 arranged on the first wall 343 is communicated with the first cavity 341, and the second air outlet 322 arranged on the second wall 344 is communicated with the second cavity 342. By being provided with the first cavity 341 and the second cavity 342, when the air outlet is performed on the two sides of the intermediate piece 340, the air volumes on the two sides in the second direction are respectively distributed, so that the air outlet on the two sides is more quantitative and uniform.

In some embodiments, one of the first and second chambers 341 and 342 that is relatively close to the first air inlet 311 in the second direction has a smaller volume than the other, so that the cool air that can be distributed by the first and second chambers 341 and 342 is further more uniform. It can be appreciated that, the closer to the second air outlet 322 of the first air inlet 311, the smaller the distance, so that more cold air can be distributed, and by limiting the volume, the receiving capability of the second air inlet 321 with a smaller distance to the cold air can be reduced, so that more cold air can be distributed to the second air inlet 321 with a larger distance. When the first air inlet 311 is identical to the distance between the first air inlet 341 and the second air inlet 321 corresponding to the first chamber 341 and the second chamber 342, the volumes of the first chamber 341 and the second chamber 342 may be set to be equal.

Referring to fig. 7 and 8, in some embodiments, the second air guiding member 320 is provided with a plurality of second air outlets 322, the plurality of second air outlets 322 are sequentially arranged along the first direction, and the opening sizes of the second air outlets 322 sequentially increase along the arrangement direction from the top side toward the bottom side. It will be appreciated that, since the cold air is delivered from the top side along the bottom side, the battery 400 relatively close to the top side can be cooled by the cold air before the battery 400 relatively close to the bottom side, and after the cold air is distributed step by step in the first direction, the amount of the cold air that can flow to the bottom side can be gradually reduced, and the temperature of the cold air can be gradually increased. Through setting up the opening size of each second air outlet 322, can restrict the air-out ability of the second air outlet 322 that is close to the topside relatively through less opening, improve the air-out ability of the second air outlet 322 that is close to the bottom side relatively through great opening to even cold wind is in the cooling effect of first direction to each battery 400.

Further, the openings of the second air outlets 322 have the same size in the first direction, and along the arrangement direction of the top side toward the bottom side, the sizes of the openings of the second air outlets 322 in the third direction are sequentially increased, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction. By sizing the size of the opening of each second air outlet 322 in the third direction, the adjustment of the air outlet capacity of each second air outlet 322 can be simply and conveniently achieved. Since the cool air is discharged from the side, the distribution difference mainly occurs in the first direction. The sizes of the second air outlets 322 in the first direction are set to be the same, the arrangement of the air outlet positions of the layers in the first direction can be facilitated, the sizes of the second air outlets 322 in the third direction are adjusted easily, the shapes of the second air outlets 322 can be set more regularly, and the processing and the preparation of the second air guide piece 320 can be facilitated. The shape of the second air outlet 322 may be rectangular as shown in the drawings, or may be elliptical, trapezoidal, etc., as long as the size of the opening of the second air outlet 322 can be changed by adjusting the size of the second air outlet 322 in the third direction.

Referring to fig. 2, 4 and 7, in some embodiments, the second air guide 320 is provided with a plurality of second air outlets 322, and the plurality of second air outlets 322 are sequentially arranged along the first direction; the outer surface of the second air guiding member 320 is further provided with a plurality of supporting structures 323, and a side of the second air outlet 322 facing the bottom side is correspondingly provided with a supporting structure 323, and the supporting structure 323 is used for supporting the battery 400. The battery 400 can be supported and fixed through the supporting structure 323, the battery 400 can be positioned in the accommodating cavity after being placed in the supporting structure 323, the second air outlet 322 which is positioned on one side of the supporting structure 323 towards the top side can be used for exhausting air to the battery 400, and the cooling effect to each battery 400 is ensured on the basis that a plurality of batteries 400 are arranged along the first direction.

Specifically, the second air outlets 322 of the adjacent second air guiding members 320 may be opposite to each other or may be staggered with each other, so long as the uniform cooling of each of the battery cells 410 can be achieved. The support structures 323 may be single support structures that enable support of a single cell 400, i.e., the support structures 323 of adjacent second wind guides 320 may be staggered, with one support structure 323 enabling support of one cell 400. Or the supporting structures 323 of the adjacent second air guiding pieces 320 may be opposite to each other, and the two supporting structures 323 jointly support the single battery 400, so as to reduce the structural requirement on the single supporting structure 323 and improve the supporting stability of the battery 400 through multi-position abutting.

Referring to fig. 2 and fig. 7, in some embodiments, the second air outlets 322 of the adjacent second air guiding members 320 are opposite one to one, and the supporting structures 323 of the adjacent second air guiding members 320 are opposite one to one, so that after the battery 400 is placed on the two opposite supporting structures 323, the two sides of the battery 400 are provided with the second air outlets 322 to air-out the battery 400, thereby ensuring the cooling effect.

Referring to fig. 5, in some embodiments, in the two air equalizing members 350, the number of the air holes 351 of the air equalizing member 350 relatively far from the first air inlet 311 in the second direction is A1, and the number of the air holes 351 of the air equalizing member 350 relatively close to the first air inlet 311 in the second direction is A2, which satisfies the following conditions: a1 > A2. The ventilation capacity of the air equalization member 350 can be controlled by controlling the number of the ventilation holes 351, so that A1 is larger than A2, the ventilation capacity of the air equalization member 350 relatively close to the first air inlets 311 can be limited, the ventilation capacity of the air equalization member 350 far away from the first air inlets 311 is increased, and the cold air which can be ventilated out of each first air inlet 311 is more uniform.

Referring to fig. 6, in some embodiments, in the two air equalizing members 350, the area of the air vent 351 of the air equalizing member 350 relatively far from the first air inlet 311 in the second direction is M1, and the area of the air vent 351 of the air equalizing member 350 relatively close to the first air inlet 311 in the second direction is M2, which satisfies the following conditions: m1 > M2. The ventilation capability of the air equalization member 350 can be controlled by controlling the size of the ventilation hole 351, so that M1 is larger than M2, the ventilation capability of the air equalization member 350 relatively close to the first air inlets 311 can be limited, the ventilation capability of the air equalization member 350 far away from the first air inlets 311 can be increased, and the ventilation capability of the air equalization member 350 can be more uniform.

Wherein, the ventilation capability of each air equalization member 350 can be adjusted by adjusting the number of the respective ventilation holes 351 of each air equalization member 350 and the area size of the respective ventilation holes 351 at the same time by adjusting the number of the ventilation holes 351 and the area size of the ventilation holes 351.

Referring to fig. 1 and 2, an energy storage system according to an embodiment of the present utility model includes a battery 400 set and an energy storage cabinet according to any of the above embodiments, where the battery 400 set includes a plurality of batteries 400, the plurality of batteries 400 are arranged along a first direction, and the battery 400 set is disposed between two second air guides 320. By applying the energy storage cabinet provided by the embodiment of the utility model, the cooling effect of each battery 400 of the battery 400 group can be uniformly achieved on the basis of providing the accommodation and protection of the battery 400 group.

Referring to fig. 9, in some embodiments, the battery 400 includes a battery core 410, a housing 420 and an air-driving member 430, the housing 420 is provided with a second accommodating cavity 421, the battery core 410 is accommodated in the second accommodating cavity 421, the housing 420 is provided with a plurality of third air inlets 422, the third air inlets 422 are communicated with the second accommodating cavity 421, both sides of the housing 420 in the second direction are provided with the third air inlets 422, the air-driving member 430 is disposed at one side of the housing 420 in the third direction, the air-driving member 430 is communicated with the second accommodating cavity 421, and the air-driving member 430 is used for guiding the air in the second accommodating cavity 421 towards the outside along the third direction. Through being provided with the third air intake 422 in the both sides of the second direction of casing 420 for after cold wind flows out from the second air outlet 322, can flow in casing 420 from the third air intake 422, cool off electric core 410, and take out through driving the air piece 430 to the gas in the casing 420, make the hot-blast that forms after the cooling accomplish can be taken out along driving the air piece 430, and promote the circulation of cold wind, improve the speed that cold wind got into casing 420 through the atmospheric pressure difference, ensure the cooling effect.

Specifically, the air-driving member 430 may be selected from a conventional device capable of driving air to flow, such as an air pump or a fan, and the air-driving member 430 may have a portion disposed in the housing 420 to directly suck the air in the housing 420, and the air-driving member 430 may be disposed outside the housing 420, and the housing 420 may be provided with a through hole to allow the air-driving member 430 to communicate with the second receiving cavity 421.

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

Claims (10)

1. Energy storage cabinet, its characterized in that includes:

The cabinet body is provided with a first accommodating cavity, and the cabinet body is provided with a top side and a bottom side which are opposite in the first direction;

the refrigerating assembly is positioned at the top side of the cabinet body and is provided with a refrigerating port which is communicated with the first accommodating cavity;

The air guide assembly is arranged in the first accommodating cavity and comprises a first air guide piece, a plurality of second air guide pieces and a plurality of air equalizing pieces, the first air guide pieces and the second air guide pieces are sequentially arranged along the direction of the top side towards the bottom side, the first air guide pieces are provided with a first air inlet and a plurality of first air outlets, the first air inlets are communicated with the refrigerating ports, and the first air inlets are communicated with the first air outlets; the second air guide pieces are provided with second air inlets and second air outlets, the second air inlets are communicated with the first air outlets one by one, the second air guide pieces are arranged at intervals along a second direction perpendicular to the first direction, the second air outlets are arranged on one side, facing the adjacent second air guide pieces, of each second air guide piece, and a battery pack is placed between the adjacent second air guide pieces; the air homogenizing device is characterized in that at least one of the first air outlet and the second air inlet is correspondingly provided with an air homogenizing piece, the air homogenizing piece is provided with a plurality of ventilation holes, and the ventilation holes are respectively communicated with the first air outlet and the second air inlet.

2. The energy storage cabinet according to claim 1, wherein the air guiding assembly comprises at least three second air guiding members, wherein the second air guiding members located at two ends in the second direction are end members, the second air guiding members located between the opposite end members are intermediate members, one side of the end members in the second direction is provided with the second air outlets, and both sides of the intermediate members in the second direction are provided with the second air outlets.

3. The energy storage cabinet according to claim 2, wherein the intermediate member is provided with a first cavity, a second cavity and a plurality of second air inlets, the first cavity and the second cavity are respectively communicated with at least one second air inlet, the intermediate member is provided with a first wall and a second wall opposite to each other in the second direction, the first wall and the second wall are respectively provided with the second air outlets, the second air outlets arranged on the first wall are communicated with the first cavity, and the second air outlets arranged on the second wall are communicated with the second cavity.

4. A tank according to claim 3, wherein one of the first and second chambers, which is relatively close to the first inlet in the second direction, has a smaller volume than the other.

5. The energy storage cabinet according to claim 1, wherein the second air guide is provided with a plurality of the second air outlets, the plurality of the second air outlets are sequentially arranged along the first direction, and the opening sizes of the second air outlets are sequentially increased along the arrangement direction of the top side toward the bottom side.

6. The energy storage cabinet of claim 5, wherein the openings of each of the second air outlets have the same size in the first direction, and the openings of each of the second air outlets sequentially increase in size in a third direction along the arrangement direction of the top side toward the bottom side, the third direction being perpendicular to the first direction, and the third direction being perpendicular to the second direction.

7. The energy storage cabinet according to claim 1, wherein the second air guide is provided with a plurality of second air outlets, and the plurality of second air outlets are sequentially arranged along the first direction; the outer surface of second wind-guiding spare still is provided with a plurality of bearing structures, the second air outlet towards one side of bottom side corresponds to be provided with bearing structure, bearing structure is used for supporting the battery.

8. The energy storage cabinet according to claim 1, wherein, in the two air equalizing members, the number of the ventilation holes of the air equalizing member relatively far from the first air inlet in the second direction is A1, and the number of the ventilation holes of the air equalizing member relatively close to the first air inlet in the second direction is A2, which satisfies: a1 > A2;

And/or, in the two air equalizing pieces, the area of the vent hole of the air equalizing piece relatively far away from the first air inlet in the second direction is M1, and the area of the vent hole of the air equalizing piece relatively close to the first air inlet in the second direction is M2, so that the following conditions are satisfied: m1 > M2.

9. An energy storage system, comprising:

A battery pack including a plurality of batteries, the plurality of batteries being arranged in the first direction;

The energy storage cabinet of any one of claims 1 to 8, wherein the battery pack is disposed between two of the second wind guides.

10. The energy storage system of claim 9, wherein the battery comprises a battery cell, a housing and a wind-driving member, the housing is provided with a second accommodating cavity, the battery cell is accommodated in the second accommodating cavity, the housing is provided with a plurality of third air inlets, the third air inlets are communicated with the second accommodating cavity, the two sides of the housing in the second direction are provided with the third air inlets, the wind-driving member is arranged on one side of the housing in the third direction, the wind-driving member is communicated with the second accommodating cavity, the wind-driving member is used for guiding gas in the second accommodating cavity outwards in the third direction, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction.