CN217426887U

CN217426887U - Heat dissipation and ventilation structure and energy storage container

Info

Publication number: CN217426887U
Application number: CN202221020702.2U
Authority: CN
Inventors: 张士礼; 张唯龙; 张海啸
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-13
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a heat dissipation and ventilation structure relates to energy storage technical field. The heat dissipation and ventilation structure comprises an air inlet duct and an air outlet duct, and the air inlet duct is provided with an air inlet and a first air outlet which are communicated; the air outlet duct is arranged at the first air outlet and provided with a plurality of second air outlets along the air flow direction, and the sizes of the second air outlets are gradually reduced along the air flow direction. The heat dissipation and ventilation structure can realize the balanced cooling of the battery clusters in the energy storage container and is convenient to machine and form, the manufacturing cost is reduced, the maintenance is convenient, and the attractiveness is improved.

Description

Heat dissipation and ventilation structure and energy storage container

Technical Field

The utility model relates to an energy storage technology field especially relates to a heat dissipation and ventilation structure.

Background

Along with the development of the energy storage industry, the quantity of a plurality of groups of battery clusters arranged side by side in an energy storage container is increased, and the heat density in the energy storage container is increased due to the fact that the battery clusters can generate certain heat in work, so that the energy storage container is always maintained in a reasonable temperature range in actual operation, and the temperatures of all the battery clusters are kept in good consistency, which is a difficult problem to be solved urgently.

Most of the existing energy storage containers use an air conditioner as a refrigerating device, that is, cold air blown out by the air conditioner flows onto corresponding battery clusters through air outlets formed in an air duct, so that the surfaces of the battery clusters are radiated. Considering the bernoulli phenomenon (that is, when the wind speed is too fast, the pressure is too low, the cold air entering amount is reduced, when the wind speed is slow, the pressure is high, and the cold air entering amount is increased), the temperature of the battery cluster close to the wind channel air inlet is higher than that of the battery cluster far away from the wind channel air inlet, and the temperature uniformity inside the energy storage container is influenced. Therefore, in the prior art, the air duct is designed to be stepped, and the temperature equalization of the battery cluster is realized by changing the flow speed of cold air in the air duct. However, the stepped air duct is not only unattractive, but also cumbersome to machine, high in manufacturing cost and inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of them aim at provides a heat dissipation and ventilation structure, can realize making things convenient for the machine-shaping when the battery cluster cooling in the energy storage container is balanced, has reduced manufacturing cost, and it is convenient to maintain, has improved the aesthetic property.

For realizing the above technical effect, the technical scheme of the utility model as follows:

a heat dissipation ventilation structure, comprising:

the air inlet duct is provided with an air inlet and a first air outlet which are communicated;

and the air outlet duct is arranged at the first air outlet and is provided with a plurality of second air outlets along the air flow direction, and the sizes of the second air outlets are gradually reduced along the air flow direction.

As an alternative of a heat dissipation and ventilation structure, the number of the air outlet channels is provided with a plurality of air outlet channels, and the air outlet channels are divergently arranged by taking the air inlet channels as circle centers.

As an alternative of the heat dissipation and ventilation structure, the air outlet duct comprises a plurality of air outlet sections which are connected in sequence, the air outlet sections are hollow, the second air outlets are arranged on the air outlet sections, and the air outlet sections correspond to the second air outlets one to one.

As an alternative of the heat dissipation and ventilation structure, the heat dissipation and ventilation structure further comprises a plurality of diversion air channels, the diversion air channels are arranged at the second air outlet, and the diversion air channels correspond to the second air outlet one to one.

As an alternative to the heat dissipation and ventilation structure, the height of the air guide duct is adjustable.

As an alternative of a heat dissipation and ventilation structure, heat insulation cotton is paved on the inner walls of the air inlet duct and the air outlet duct.

As an alternative of the heat dissipation and ventilation structure, the heat dissipation and ventilation structure further comprises a plurality of pressing strips, at least one pressing strip is arranged in the air inlet channel and the air outlet channel, and the heat preservation cotton is located on the inner wall of the air inlet channel or the air outlet channel and between the pressing strips.

As an alternative of the heat dissipation and ventilation structure, the height of the air inlet duct is adjustable.

As an alternative of the heat dissipation and ventilation structure, the heat dissipation and ventilation structure further comprises a plurality of air volume adjusting pieces, and the air volume adjusting pieces are installed at the second air outlet.

The utility model has the advantages that: the utility model provides a heat dissipation and ventilation structure, the air conditioner sends cold wind to the air outlet duct through the air inlet duct, cold wind flows in the air outlet duct and flows in order to dispel the heat to corresponding battery cluster from the second air outlet, because the size of second air outlet reduces along the air current direction gradually, the second air outlet size that is close to first air outlet is greater than the second air outlet size of keeping away from first air outlet promptly, thereby the air output of the second air outlet department that is close to first air outlet has been increased, the air output of the second air outlet of keeping away from first air outlet has been reduced, thereby guarantee that the air output of every second air outlet is the same, the uniformity of every group battery cluster cooling has been guaranteed. In addition, compared with the prior art in which the air duct is designed to be stepped, the heat dissipation and ventilation structure can ensure that the cooling balance is realized and the processing and the forming are convenient, thereby reducing the manufacturing cost, being convenient to maintain and improving the aesthetic property. The heat dissipation and ventilation structure is simple in structure, can achieve balanced cooling of the battery clusters in the energy storage container and meanwhile is convenient to machine and form, manufacturing cost is reduced, maintenance is convenient, and attractiveness is improved.

Another object of the utility model is to provide an energy storage container, through using foretell heat dissipation and ventilation structure, can realize having reduced manufacturing cost when the battery cluster cooling in the energy storage container is balanced, it is convenient to maintain, has improved the aesthetic property.

the utility model provides an energy storage container, includes air conditioner and a plurality of battery cluster, energy storage container still includes as above heat dissipation and ventilation structure, the air conditioner with air intake connection, the battery cluster is located second air outlet below, just the battery cluster with second air outlet one-to-one.

The utility model has the advantages that: the utility model provides an energy storage container, it uses foretell heat dissipation and ventilation structure, can realize having reduced manufacturing cost when the battery cluster cooling in the energy storage container is balanced, and it is convenient to maintain, has improved the aesthetic property.

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

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation and ventilation structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an air outlet section provided in the embodiment of the present invention;

fig. 3 is a first schematic structural diagram of an air inlet duct according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an air inlet duct provided in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a diversion air duct according to an embodiment of the present invention.

Reference numerals:

1. an air inlet duct; 11. a first air intake section; 111. an air inlet; 12. a second air intake section; 13. a third air intake section; 131. a first air outlet;

2. an air outlet duct; 21. an air outlet section; 211. a second air outlet;

3. a diversion air duct; 31. a first flow guide section; 32. a second flow guide section;

4. heat preservation cotton;

5. and (7) pressing strips.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting. Wherein the terms "first position" and "second position" are two different positions.

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

The embodiment provides an energy storage container, including air conditioner, heat dissipation and ventilation structure and a plurality of battery cluster, the cold wind that the air conditioner blew out blows to every group battery cluster through heat dissipation and ventilation structure to guarantee that the battery cluster can work in suitable temperature interval all the time.

Wherein, as shown in fig. 1, in order to guarantee the uniformity of every group battery cluster cooling, the heat dissipation and ventilation structure includes air inlet duct 1 and air outlet duct 2, air inlet 111 and first air outlet 131 that are linked together are seted up on the air inlet duct 1, the air conditioner is installed in air inlet 111 department, air outlet duct 2 sets up in first air outlet 131, air outlet duct 2 is equipped with a plurality of second air outlet 211 along the air current direction, the size of second air outlet 211 reduces step by step along the air current direction, the battery cluster is located second air outlet 211 below, and battery cluster and second air outlet 211 one-to-one.

It can be understood that, the air conditioner sends cold air to the air outlet duct 2 through the air inlet 111 of the air inlet duct 1, the cold air flows in the air outlet duct 2 and flows out from the second air outlet 211 to dissipate heat of the corresponding battery cluster, because the size of the second air outlet 211 is gradually reduced along the air flow direction, namely, the size of the second air outlet 211 close to the first air outlet 131 is larger than that of the second air outlet 211 far away from the first air outlet 131, thereby increasing the air output at the second air outlet 211 close to the first air outlet 131, reducing the air output at the second air outlet 211 far away from the first air outlet 131, thereby ensuring the same air output at each second air outlet 211, and ensuring the temperature reduction consistency of each group of battery clusters. In addition, compared with the air channel designed to be in a stepped shape in the prior art, the heat dissipation and ventilation structure in the embodiment can ensure that the cooling balance is realized and the processing and the forming are convenient, thereby reducing the manufacturing cost, being convenient to maintain and improving the aesthetic property.

Preferably, in consideration of the distribution of the battery clusters in the energy storage container, the number of the air outlet channels 2 is provided with a plurality of air outlet channels 2, and the air outlet channels 2 are divergently arranged by taking the air inlet channel 1 as a circle center, that is, cold air flows into each air outlet channel 2 from the air inlet channel 1. In this embodiment, because a plurality of battery clusters set up respectively in the both sides of air inlet duct 1, air inlet duct 1 is provided with two relative first air outlets 131, and the quantity in air outlet duct 2 is provided with two, and two air outlet ducts 2 correspond with two first air outlets 131 respectively and are connected. It can be understood that the number and the specific arrangement of the air outlet ducts 2 can be adjusted according to the actual arrangement of the battery clusters of the energy storage container, and the embodiment is not particularly limited.

Specifically, as shown in fig. 2, the air outlet duct 2 includes a plurality of air outlet sections 21 connected in sequence, the inside cavity of the air outlet section 21 is convenient for cold air to flow, and the second air outlet 211 is disposed on the air outlet section 21, the air outlet sections 21 and the second air outlets 211 are in one-to-one correspondence, and the cold air flows from the second air outlets 211 to the battery clusters after flowing in the air outlet section 21. The air outlet duct 2 formed by the air outlet sections 21 which are spliced can be conveniently adjusted according to the number of the battery clusters, so that the structure can be guaranteed to be compact as much as possible, and meanwhile, the air outlet duct can adapt to energy storage containers of different specifications and can be conveniently maintained and replaced.

Further, in order to improve the accuracy of heat dissipation balance, the heat dissipation and ventilation structure further comprises a plurality of air volume adjusting pieces, and the air volume adjusting pieces are installed at the second air outlet 211, namely, the air volume adjusting pieces are installed at the second air outlet 211 to further adjust the amount of cold air flowing to the corresponding battery clusters. Illustratively, the air volume adjusting member is a grill plate or a louver.

Furthermore, heat preservation cotton 4 is laid on the inner wall of each air outlet section 21 of the air outlet duct 2, so that the temperature rise of cold air is avoided as fast as possible, and the heat dissipation effect on the battery cluster is guaranteed.

In this embodiment, the heat dissipation and ventilation structure further includes a plurality of pressure strips 5, at least one pressure strip 5 is provided in the air outlet section 21, the heat preservation cotton 4 is located between the air outlet section 21 and the pressure strip 5, and it is ensured through the pressure strip 5 that the heat preservation cotton 4 can be closely attached to the inner wall of the air outlet section 21, in addition, compared with the prior art that the heat preservation cotton 4 is adhered to the inner wall through glue, the pressure strip 5 can prevent cold air from blowing the heat preservation cotton 4 or causing glue failure due to overlong service time when the cold air flows in the air outlet section 21, and the heat preservation cotton 4 is separated from the inner wall of the air outlet section 21, thereby causing blockage in the air outlet section 21 and affecting the heat dissipation effect. In this embodiment, the batten 5 and the air outlet section 21 are fastened and connected by a fastener, and of course, in other embodiments, the batten 5 can be fixed in the air outlet section 21 by other methods, and this embodiment is not particularly limited. It can be understood that the number and distribution of the battens 5 can be designed according to actual conditions, as long as the heat preservation cotton 4 can be attached to the inner wall of the air outlet section 21. Illustratively, the fasteners are bolts or pins.

Similarly, as shown in fig. 3 and 4, at least one pressing strip 5 is also arranged in the air inlet duct 1, and the heat preservation cotton 4 is also laid on the inner wall of the air inlet duct 1 through the pressing strip 5, so that the heat dissipation effect on the battery cluster is ensured.

Specifically, the air inlet duct 1 includes a first air inlet section 11, a second air inlet section 12 and a third air inlet section 13 connected in sequence, the air inlet 111 is disposed on the first air inlet section 11, the first air outlet 131 is disposed on the third air inlet section 13, and the second air inlet section 12 is provided with two openings to communicate with the first air outlet 131 and the air inlet 111, respectively.

Further, the height of the air inlet duct 1 is adjustable to adapt to the heights of different air conditioners and the whole energy storage container, so that the flowing smoothness of cold air is ensured, and the problem that the cold air flows to the outside without entering the air inlet 111 and influences the heat dissipation effect is avoided as much as possible. In this embodiment, one of the first air inlet section 11 and the second air inlet section 12 is provided with a first strip hole, and the other is provided with a corresponding first mounting hole, and the first strip hole is penetrated through by the first mounting member and is fastened and connected with the first mounting hole, so as to adjust the height of the whole air inlet duct 1.

Further, as shown in fig. 5, in consideration of a certain gap between the second air outlet 211 and the battery pack, the heat dissipation and ventilation structure further includes a plurality of guide air channels 3, the guide air channels 3 are disposed at the second air outlet 211, and the guide air channels 3 are in one-to-one correspondence with the second air outlet 211, so as to ensure that the cold air flows out of the second air outlet 211 and can directly flow to the battery pack through the guide air channels 3, thereby ensuring that the amount of the cold air directly blown to the battery pack is large as much as possible, and ensuring the heat dissipation effect.

Furthermore, at least one pressing strip 5 is also arranged in the guide air duct 3, and the heat-insulating cotton 4 is laid on the inner wall of the guide air duct 3 through the pressing strip 5, so that the heat dissipation effect on the battery cluster is ensured.

Specifically, the air guide duct 3 includes a first air guide section 31 and a second air guide section 32 connected to each other, the first air guide section 31 is connected to the second air outlet 211, and the second air guide section 32 is sleeved on one end of the first air guide section 31 far away from the second air outlet 211.

Further, the height of the diversion air duct 3 is adjustable to adapt to the distance between different battery clusters and the second air outlet 211, so that the smoothness of cold air flowing is ensured, and more cold air is blown to the battery clusters as far as possible. In this embodiment, one of the first flow guiding section 31 and the second flow guiding section 32 is provided with a second elongated hole, and the other one is provided with a corresponding second mounting hole, and the second mounting member penetrates through the second elongated hole and is fastened to the second mounting hole, so as to adjust the height of the whole flow guiding air duct 3.

In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A heat dissipation and ventilation structure, comprising:

the air inlet duct (1), the air inlet duct (1) is provided with an air inlet (111) and a first air outlet (131) which are communicated with each other;

the air outlet duct (2) is arranged at the first air outlet (131), the air outlet duct (2) is provided with a plurality of second air outlets (211) along the air flow direction, and the sizes of the second air outlets (211) are gradually reduced along the air flow direction.

2. The heat dissipation and ventilation structure according to claim 1, wherein the number of the air outlet channels (2) is plural, and the plural air outlet channels (2) are divergently arranged by taking the air inlet channel (1) as a circle center.

3. The heat dissipation and ventilation structure according to claim 1, wherein the air outlet duct (2) includes a plurality of air outlet sections (21) connected in sequence, the air outlet sections (21) are hollow, the second air outlets (211) are disposed on the air outlet sections (21), and the air outlet sections (21) and the second air outlets (211) are in one-to-one correspondence.

4. The heat dissipation and ventilation structure according to any one of claims 1 to 3, further comprising a plurality of guide air ducts (3), wherein the guide air ducts (3) are disposed at the second air outlet (211), and the guide air ducts (3) correspond to the second air outlet (211) one to one.

5. The heat dissipation and ventilation structure according to claim 4, wherein the height of the air guide duct (3) is adjustable.

6. The heat dissipation and ventilation structure according to claim 1, wherein the inner walls of the air inlet duct (1) and the air outlet duct (2) are paved with heat insulation cotton (4).

7. The heat dissipation and ventilation structure according to claim 6, further comprising a plurality of pressing strips (5), wherein at least one pressing strip (5) is disposed in each of the air inlet duct (1) and the air outlet duct (2), and the heat insulation cotton (4) is located between the pressing strips (5) and the inner wall of the air inlet duct (1) or the air outlet duct (2).

8. The heat dissipation ventilation structure according to claim 1, wherein the height of the air intake duct (1) is adjustable.

9. The structure according to claim 1, further comprising a plurality of air volume adjusting members installed at the second air outlet (211).

10. An energy storage container, comprising an air conditioner and a plurality of battery clusters, characterized in that, the energy storage container further comprises the heat dissipation and ventilation structure of any one of claims 1 to 9, the air conditioner is connected with the air inlet (111), the battery clusters are located below the second air outlet (211), and the battery clusters correspond to the second air outlet (211) one to one.