CN220358188U

CN220358188U - Air duct device and energy storage system

Info

Publication number: CN220358188U
Application number: CN202321983177.9U
Authority: CN
Inventors: 余浩; 曹伦; 刘晨南
Original assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Current assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-16
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses an air duct device and an energy storage system. The air duct device comprises a first-stage air duct, a second-stage air duct, a flow guiding mechanism and an adjusting mechanism, wherein the first-stage air duct is provided with an air flow channel and a plurality of first-stage air outlets communicated with the air flow channel, the second-stage air duct is multiple, the plurality of second-stage air ducts and the plurality of first-stage air outlets are correspondingly arranged, the plurality of second-stage air ducts and the plurality of battery mounting cavities are arranged in a one-to-one correspondence manner, the flow guiding mechanism is arranged in the first-stage air duct and is used for guiding the air flow direction in the air flow channel to at least one first-stage air outlet, and the adjusting mechanism is arranged in the second-stage air duct so as to adjust the flow area of the second-stage air duct. The air duct device can better adjust the air flow and the air flow velocity according to the actual temperature, ensures that the temperature of the battery pack is basically consistent, and is favorable for ensuring the normal operation of the energy storage system.

Description

Air duct device and energy storage system

Technical Field

The utility model relates to the technical field of energy storage equipment, in particular to an air duct device and an energy storage system.

Background

With the continuous development of economy, the generated energy of green renewable resources such as wind, light, water conservancy and the like is continuously increased, and the electrochemical energy storage is widely applied. The most critical of the current development of limiting electrochemical energy storage is the problem of heat management of the battery, and the air cooling mode in the battery heat pipe understanding and solving method is widely applied, mainly in the forms of container energy storage power stations, station-room energy storage power stations, commercial energy storage integrated cabinets and the like.

The air-cooled energy storage system is generally composed of an air conditioner, a heat dissipation air duct, a battery rack, an air-cooled battery pack, a battery management system and the like, and external air of the energy storage system is sucked into the air conditioner for refrigeration in an active air supply mode and then is fed into the battery cluster through the air duct, so that the purpose of heat dissipation of the battery is achieved. The existing air duct device has the problems that temperature control is not intelligent, and heat dissipation temperature of each battery pack in a battery cluster is difficult to be consistent, so that the service performance of an energy storage system is affected.

In view of the above-mentioned technical problems, it is desirable to provide an air duct device capable of solving the problem of poor heat dissipation uniformity of battery packs in a battery cluster.

Disclosure of Invention

The first object of the present utility model is to provide an air duct device, which can better adjust the air flow and the air flow velocity according to the actual temperature, ensure the temperature of the battery pack to be basically consistent, and be beneficial to ensuring the normal operation of the energy storage system.

A second object of the present utility model is to provide an energy storage system, in which the temperatures of a plurality of battery packs are substantially the same, so as to ensure the normal operation of the energy storage system.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

the utility model discloses an air duct device, which is connected to a battery rack, wherein the battery rack is provided with a plurality of rows of battery mounting cavities; the air duct device includes: the primary air duct is provided with an airflow channel and a plurality of primary air outlets communicated with the airflow channel; the secondary air channels are multiple, the secondary air channels are arranged corresponding to the primary air outlets, and the secondary air channels are arranged corresponding to the battery mounting cavities in multiple rows one by one; the air flow guiding mechanism is arranged in the primary air duct and used for guiding the air flow in the air flow channel to flow to at least one primary air outlet; the adjusting mechanism is arranged in the secondary air channel to adjust the flow area of the secondary air channel.

In some embodiments, the flow guiding mechanism includes a plurality of flow guiding units, the plurality of flow guiding units are distributed at intervals along the extending direction of the airflow channel, and each flow guiding unit is disposed corresponding to one of the primary air outlets.

In some specific embodiments, each flow guiding unit includes a flow guiding driving piece and a flow guiding plate, the flow guiding driving piece is used for driving the flow guiding plate to rotate in the air flow channel, and the flow guiding plate is used for guiding the air flow in the air flow channel into the primary air outlet corresponding to the air flow channel.

In some more specific embodiments, the plurality of baffles gradually increase in size along a direction perpendicular to the direction of airflow in the airflow path.

In some embodiments, the secondary air duct is provided with an arc-shaped groove;

the adjusting mechanism comprises a wind shield and an adjusting driving piece, the upper end of the wind shield is rotatably connected to the side wall of the secondary wind channel, the lower end of the wind shield is movably matched with the arc-shaped groove, and the adjusting driving piece is installed in the secondary wind channel and connected with the wind shield to drive the wind shield to rotate.

In some specific embodiments, the wind deflector comprises a plate body, a supporting shaft and a rotating shaft, wherein the supporting shaft and the rotating shaft are respectively connected to two ends of the plate body, two ends of the supporting shaft are respectively arranged on the side wall of the secondary air channel in a penetrating mode, and two ends of the rotating shaft are respectively matched in the arc-shaped groove and are in transmission connection with the adjusting driving piece.

In some specific embodiments, the adjusting driving piece comprises an adjusting driving motor and a driving rod, one end of the driving rod is connected with a motor shaft of the adjusting driving motor, and the other end of the driving rod is provided with a sliding groove which is matched with the rotating shaft.

In some specific embodiments, the adjustment drive member further includes a handle disposed through the arcuate slot and coupled to the shaft.

In some specific embodiments, each secondary duct includes a plurality of duct members, one of the adjustment mechanisms is disposed in each duct member, and a minimum flow area of each duct member is gradually reduced in a direction away from the primary duct.

The utility model also discloses an energy storage system which comprises the air duct device, a battery rack and a plurality of battery packs arranged on the battery rack, wherein the battery packs are arranged on the battery rack in a plurality of rows and a plurality of columns, and one column of battery packs is arranged corresponding to a secondary air duct of the air duct device.

The air duct device has the beneficial effects that: in the actual working process, the temperature of the battery pack in the battery installation cavities of a plurality of rows may deviate, the battery rack is usually provided with a temperature detection piece for detecting the temperature of the battery pack at the same time, when the temperature detection piece detects that the temperature of a certain row of battery installation cavities is too high, the flow guiding mechanism is started to enable the air flow in the air flow channel to preferentially flow to the first-stage air outlet communicated with the battery installation cavities of the row so as to realize accurate air supply. If the quick cooling of the battery installation cavity of the array can not be realized only by starting the flow guiding mechanism, the regulating mechanism is started again, the flow area of the secondary air channel communicated with the battery installation cavity of the array is reduced, and the flow speed of the air flow is quickened, so that the quick cooling is realized. According to the air duct device, the flow guide mechanism is arranged in the primary air duct, and the regulating mechanism is arranged in the secondary air duct, so that in the actual working process, air can be precisely supplied according to the temperature in the battery mounting cavity, the temperature of the battery pack is ensured to be basically consistent, and the normal working of the energy storage system is ensured.

The energy storage system has the beneficial effects that: due to the air duct device, the temperature of the battery packs in the energy storage system is basically the same, and the normal operation of the energy storage system is guaranteed.

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

FIG. 1 is a schematic structural view of an air duct device according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a primary air duct according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an internal structure of a primary air duct according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a secondary duct according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a part of the air duct member according to the embodiment of the present utility model;

FIG. 6 is another partial schematic view of a duct member according to an embodiment of the present utility model;

FIG. 7 is a schematic view of yet another partial construction of a tunnel member according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of an energy storage system according to an embodiment of the present utility model.

Reference numerals:

100. a primary air duct; 110. an air flow channel; 120. a primary air outlet;

200. a secondary air duct; 210. an air duct member; 211. an arc-shaped groove; 212. a reinforcing block; 213. a lock nut;

300. a diversion mechanism; 310. a flow guiding driving member; 320. a deflector;

400. an adjusting mechanism; 410. a wind deflector; 411. a plate body; 412. a support shaft; 413. a rotating shaft; 420. adjusting the driving member; 421. adjusting a driving motor; 422. a driving rod; 4221. a chute; 423. a handle;

500. a battery holder; 510. a battery mounting cavity; 600. and a battery pack.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The specific structure of the air duct device according to the embodiment of the present utility model is described below with reference to fig. 1 to 8.

The utility model discloses an air duct device, which is connected to a battery rack 500, wherein the battery rack 500 is provided with a plurality of rows of battery mounting cavities 510. As shown in fig. 1, the air duct device includes a primary air duct 100, a secondary air duct 200, a diversion mechanism 300 and an adjusting mechanism 400, wherein the primary air duct 100 has an air flow channel 110 and a plurality of primary air outlets 120 communicated with the air flow channel 110, the secondary air duct 200 is plural, the secondary air duct 200 is correspondingly arranged with the primary air outlets 120, the secondary air ducts 200 are correspondingly arranged with the battery mounting cavities 510, the diversion mechanism 300 is arranged in the primary air duct 100, the diversion mechanism 300 is used for diversion of the air flow in the air flow channel 110 to at least one primary air outlet 120, and the adjusting mechanism 400 is arranged in the secondary air duct 200 to adjust the flow area of the secondary air duct 200. It can be appreciated that, in the actual working process, the temperature of the battery pack 600 in the battery mounting cavities 510 of multiple rows may deviate, the battery rack 500 is generally provided with a temperature detecting member for detecting the temperature of the battery pack 600 at the same time, and when the temperature detecting member detects that the temperature of a certain row of battery mounting cavities 510 is too high, the air guiding mechanism 300 is started to enable the air flow in the air flow channel 110 to preferentially flow to the first-stage air outlet 120 communicated with the row of battery mounting cavities 510 so as to realize accurate air supply. If the quick cooling of the battery installation cavity 510 of the row is still not realized only by starting the flow guiding mechanism 300, the adjusting mechanism 400 is started again, the flow area of the secondary air channel 200 communicated with the battery installation cavity 510 of the row is reduced, and the flow speed of the air flow is quickened, so that the quick cooling is realized. In the air duct device of this embodiment, since the air guide mechanism 300 is disposed in the primary air duct 100, and the adjusting mechanism 400 is disposed in the secondary air duct 200, in the actual working process, air can be precisely supplied according to the temperature in the battery mounting cavity 510, so as to ensure that the temperature of the battery pack 600 is basically consistent, and thus, the normal working of the energy storage system is guaranteed.

In some embodiments, as shown in fig. 2-3, the flow guiding mechanism 300 includes a plurality of flow guiding units, and the plurality of flow guiding units are distributed at intervals along the extending direction of the airflow channel 110, and each flow guiding unit is disposed corresponding to one primary air outlet 120. It can be appreciated that the diversion mechanism 300 is split into a plurality of independent diversion units, so that accurate diversion of air flow can be realized, specifically, in the actual working process, the diversion unit of the primary air outlet 120 corresponding to the battery installation cavity 510 with higher temperature is started, so that air flow in the air flow channel 110 can preferentially flow to the primary air outlet 120, and accurate air supply of the air channel device is ensured.

In some specific embodiments, as shown in fig. 2-3, each flow guiding unit includes a flow guiding driving member 310 and a flow guiding plate 320, where the flow guiding driving member 310 is used to drive the flow guiding plate 320 to rotate in the airflow channel 110, and the flow guiding plate 320 is used to guide the airflow in the airflow channel 110 into the primary air outlet 120 corresponding to the flow guiding plate. It can be appreciated that, in the actual working process, the air flow in the air flow channel 110 will preferentially flow into the primary air outlet 120 corresponding to the air guide plate 320 under the action of the air guide plate 320 after encountering the air guide plate 320, thereby facilitating the realization of the function of optimizing pilot air.

It should be noted that, in the embodiment of the present utility model, the position of the baffle 320 may be selected according to practical needs, for example, in some embodiments, the baffle 320 is rotatably connected to the top wall of the air flow channel 110, in some embodiments, the baffle 320 is rotatably connected to the side wall of the air flow channel 110, and in some embodiments, the baffle 320 is rotatably connected to the inner side wall of the primary air outlet 120.

It should be noted that, in other embodiments of the present utility model, the adjusting mechanism 400 may be formed as a liftable air deflector disposed in the primary air duct 100, and when the air flow needs to be preferentially introduced into a certain primary air outlet 120, the air deflector corresponding to the primary air outlet 120 may be lifted. That is, in other embodiments of the present utility model, the adjusting mechanism 400 may also be changed according to actual needs, and is not limited to the above description.

In some more specific embodiments, as shown in FIG. 3, the plurality of baffles 320 gradually increase in size along a direction perpendicular to the direction of airflow within the airflow channel 110. Thus, the problem of too small air intake at the end of the airflow passage 110 after the baffles in the primary air duct 100 are all opened can be avoided.

In some embodiments, as shown in fig. 6-7, the secondary air duct 200 is provided with an arc-shaped slot 211; the adjusting mechanism 400 includes a wind deflector 410 and an adjusting driving member 420, wherein an upper end of the wind deflector 410 is rotatably connected to a side wall of the secondary air duct 200, a lower end of the wind deflector 410 is movably matched with the arc-shaped groove 211, and the adjusting driving member 420 is mounted on the secondary air duct 200 and is connected with the wind deflector 410 to drive the wind deflector 410 to rotate. It will be appreciated that during actual operation, the upper end of the wind deflector 410 is rotatably connected to the side wall of the secondary air duct 200, and the lower end of the wind deflector 410 is rotatably connected to the arc-shaped slot 211, that is, during rotation of the wind deflector 410 in a direction away from the secondary air duct 200 and away from the battery rack 500, the distance between the upper end of the wind deflector 410 and the battery rack 500 is constant, while the lower end is gradually close to the battery rack 500, the flow channel defined by the secondary air duct 200 becomes a wedge-shaped flow channel, the flow area gradually decreases, and the airflow velocity in the secondary air duct 200 gradually increases. The wind deflector 410 can be conveniently driven to rotate by arranging the adjusting driving piece 420 so as to realize the adjustment of the airflow speed of the secondary air duct 200.

In some specific embodiments, as shown in fig. 6-7, the wind deflector 410 includes a plate body 411, a supporting shaft 412 and a rotating shaft 413, where the supporting shaft 412 and the rotating shaft 413 are respectively connected to two ends of the plate body 411, two ends of the supporting shaft 412 are all penetrating through the side wall of the secondary air duct 200, and two ends of the rotating shaft 413 are both fitted in the arc-shaped slot 211 and are in transmission connection with the adjusting driving member 420. It will be appreciated that during actual operation, adjustment drive 420 drives shaft 413 to slide within arcuate slot 211 such that the upper end of wind deflector 410 rotates relative to support shaft 412.

In some specific embodiments, as shown in fig. 6, the adjusting driving member 420 includes an adjusting driving motor 421 and a driving rod 422, one end of the driving rod 422 is connected to a motor shaft of the adjusting driving motor 421, and the other end is provided with a sliding groove 4221, where the sliding groove 4221 is matched with the rotating shaft 413. It will be appreciated that, during actual operation, the adjustment driving motor 421 drives the driving rod 422 to rotate, when one end of the chute 4221 on the driving rod 422 abuts against the rotating shaft 413, the driving rod 422 can be pushed to rotate and slide in the arc-shaped slot 211 by the adjustment driving motor 421 when the driving rod 422 continues to be driven to rotate, so that the plate body 411 rotates relative to the supporting shaft 412. Therefore, in the actual working process, the adjustment of the wind deflector 410 can be realized by controlling the adjusting driving motor 421, and the automatic adjustment is realized.

In some embodiments, the adjustment drive 420 further includes a handle 423, where the handle 423 is disposed through the arcuate slot 211 and is coupled to the shaft 413. It will be appreciated that in the actual operation process, if the adjustment driving motor 421 fails, the user can directly push the rotating shaft 413 to slide in the arc-shaped groove 211 through the handle 423, so that the plate body 411 rotates the shaft 413 relative to the supporting shaft 412, and the operation reliability of the air duct device is ensured.

Optionally, handle 423 is a seven-star handle. Of course, the structure of the handle 423 may be selected according to actual needs.

Optionally, the secondary air duct 200 is provided with a reinforcing block 212, and two ends of the supporting shaft 412 penetrate through the reinforcing block 212 and are locked by a locking nut 213. It will be appreciated that the secondary duct 200 may be thinner, and the provision of the reinforcing blocks 212 may reduce the failure rate of the secondary duct 200 at the connection location with the support shaft 412, thereby advantageously extending the operational life of the duct apparatus.

In some embodiments, as shown in fig. 4, each secondary duct 200 includes a plurality of duct members 210, each duct member 210 having an adjustment mechanism 400 disposed therein, the minimum flow area of each duct member 210 gradually decreasing in a direction away from the primary duct 100. It will be appreciated that, when the size of the battery mounting cavities 510 in a row is too large in the actual working process, a larger temperature difference may occur in the battery packs 600 above and below, each secondary air duct 200 includes multiple sections of air duct members 210, and an adjusting mechanism 400 is disposed in each air duct member 210, so that in the actual working process, the airflow velocity in a certain air duct member 210 is adjusted in a targeted manner, thereby realizing more accurate air supply, and being beneficial to ensuring the temperature consistency of a plurality of battery packs 600.

Examples:

as shown in fig. 1 to 7, the air duct device includes a primary air duct 100, a secondary air duct 200, a diversion mechanism 300 and an adjusting mechanism 400, where the primary air duct 100 has an airflow channel 110 and four primary air outlets 120 communicated with the airflow channel 110, the secondary air duct 200 is four, the four secondary air ducts 200 are correspondingly arranged with the plurality of primary air outlets 120, the four secondary air ducts 200 are correspondingly arranged with the four battery mounting cavities 510, the diversion mechanism 300 includes four diversion units, the four diversion units are distributed at intervals along the extending direction of the airflow channel 110, and each diversion unit is correspondingly arranged with one primary air outlet 120. Each flow guiding unit comprises a flow guiding driving piece 310 and a flow guiding plate 320, the flow guiding plate 320 is rotatably connected to the top wall of the air flow channel 110, the flow guiding driving piece 310 is used for driving the flow guiding plate 320 to rotate in the air flow channel 110, and the flow guiding plate 320 is used for guiding air flow in the air flow channel 110 into the primary air outlet 120 corresponding to the air flow channel. The secondary air duct 200 comprises two air duct pieces 210, the lower end of each air duct piece 210 is provided with an arc-shaped groove 211, the adjusting mechanism 400 comprises a wind deflector 410 and an adjusting driving piece 420, the wind deflector 410 comprises a plate body 411, a supporting shaft 412 and a rotating shaft 413, the supporting shaft 412 and the rotating shaft 413 are respectively connected to two ends of the plate body 411, two ends of the supporting shaft 412 are respectively penetrated on the reinforcing block 212 and locked through locking nuts 213, the reinforcing block 212 is arranged on two side walls of the air duct pieces 210, which are oppositely arranged, and two ends of the rotating shaft 413 are respectively matched in the arc-shaped grooves 211. The adjusting driving member 420 comprises an adjusting driving motor 421, a driving rod 422 and a handle 423, one end of the driving rod 422 is connected with a motor shaft of the adjusting driving motor 421, and the other end of the driving rod 422 is provided with a sliding groove 4221, and the sliding groove 4221 is matched with the rotating shaft 413. The handle 423 is disposed through the arc-shaped slot 211 and connected to the rotating shaft 413. Of the two duct members 210, the arcuate groove 211 of the duct member 210 located above has a size half of the width of the duct member 210, and the arcuate groove 211 of the duct member 210 located below has a size equal to the width of the duct member 210.

The utility model also discloses an energy storage system, as shown in fig. 8, which comprises the air duct device, the battery rack 500 and a plurality of battery packs 600 arranged on the battery rack 500, wherein the battery packs 600 are arranged on the battery rack 500 in a plurality of rows and a plurality of columns, and one column of battery packs 600 is arranged corresponding to the secondary air duct 200 of one air duct device. With the air duct device described above, the temperature of the plurality of battery packs 600 in the energy storage system is substantially the same, which is beneficial to ensuring the normal operation of the energy storage system.

In the description of the present specification, reference to the term "some embodiments," "other embodiments," etc., means 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 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 foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. A wind tunnel device characterized in that the wind tunnel device is connected to a battery rack (500), the battery rack (500) having a plurality of rows of battery mounting cavities (510); the air duct device includes:

a primary air duct (100), the primary air duct (100) having an airflow channel (110) and a plurality of primary air outlets (120) in communication with the airflow channel (110);

the secondary air channels (200) are multiple, the multiple secondary air channels (200) are arranged corresponding to the multiple primary air outlets (120), and the multiple secondary air channels (200) are arranged corresponding to the multiple rows of battery mounting cavities (510) one by one;

the flow guide mechanism (300) is arranged in the primary air duct (100), and the flow guide mechanism (300) is used for guiding the air flow in the air flow channel (110) to flow to at least one primary air outlet (120);

and the adjusting mechanism (400) is arranged in the secondary air channel (200) so as to adjust the flow area of the secondary air channel (200).

2. The air duct device according to claim 1, wherein the air guiding mechanism (300) comprises a plurality of air guiding units, the plurality of air guiding units are distributed at intervals along the extending direction of the air flow channel (110), and each air guiding unit is corresponding to one primary air outlet (120).

3. The air duct device according to claim 2, wherein each flow guiding unit comprises a flow guiding driving member (310) and a flow guiding plate (320), the flow guiding driving member (310) is used for driving the flow guiding plate (320) to rotate in the air flow channel (110), and the flow guiding plate (320) is used for guiding air flow in the air flow channel (110) into the primary air outlet (120) corresponding to the air flow channel.

4. A wind tunnel arrangement according to claim 3, characterised in that the plurality of baffles (320) increases in size in a direction perpendicular to the direction of airflow in the airflow path (110) in the direction of airflow.

5. The air duct device according to claim 1, characterized in that the secondary air duct (200) is provided with an arc-shaped groove (211);

the adjusting mechanism (400) comprises a wind deflector (410) and an adjusting driving piece (420), the upper end of the wind deflector (410) is rotatably connected to the side wall of the secondary air channel (200), the lower end of the wind deflector (410) is movably matched with the arc-shaped groove (211), and the adjusting driving piece (420) is installed in the secondary air channel (200) and connected with the wind deflector (410) to drive the wind deflector (410) to rotate.

6. The air duct device according to claim 5, wherein the wind deflector (410) comprises a plate body (411), a supporting shaft (412) and a rotating shaft (413), the supporting shaft (412) and the rotating shaft (413) are respectively connected to two ends of the plate body (411), two ends of the supporting shaft (412) are respectively arranged on the side wall of the secondary air duct (200) in a penetrating manner, and two ends of the rotating shaft (413) are respectively matched in the arc-shaped groove (211) and are in transmission connection with the adjusting driving piece (420).

7. The air duct device according to claim 6, wherein the adjusting driving member (420) comprises an adjusting driving motor (421) and a driving rod (422), one end of the driving rod (422) is connected with a motor shaft of the adjusting driving motor (421), the other end of the driving rod is provided with a sliding groove (4221), and the sliding groove (4221) is matched with the rotating shaft (413).

8. The air duct apparatus according to claim 6, wherein the adjusting driving member (420) further comprises a handle (423), and the handle (423) is disposed through the arc-shaped groove (211) and connected to the rotating shaft (413).

9. The air duct device according to claim 1, wherein each secondary air duct (200) comprises a plurality of air duct members (210), wherein each air duct member (210) has one of the adjustment mechanisms (400) disposed therein, and wherein the minimum flow area of each air duct member (210) decreases gradually in a direction away from the primary air duct (100).

10. An energy storage system, characterized by comprising the air duct device, a battery rack (500) and a plurality of battery packs (600) arranged on the battery rack (500), wherein the battery packs (600) are arranged on the battery rack (500) in a plurality of rows and columns, and one row of battery packs (600) is arranged corresponding to a secondary air duct (200) of one air duct device.