CN216872106U - Air-cooled lithium battery energy storage system - Google Patents
Air-cooled lithium battery energy storage system Download PDFInfo
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- CN216872106U CN216872106U CN202220362017.1U CN202220362017U CN216872106U CN 216872106 U CN216872106 U CN 216872106U CN 202220362017 U CN202220362017 U CN 202220362017U CN 216872106 U CN216872106 U CN 216872106U
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- air
- duct
- air guide
- energy storage
- storage system
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- 238000004146 energy storage Methods 0.000 title claims abstract description 27
- 238000005057 refrigeration Methods 0.000 claims abstract description 6
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an air-cooled lithium battery energy storage system which is externally connected with an air conditioner for refrigeration through an air duct, and then leads cold air to each layer of machine frame through an air guide duct, so that the distribution of the cold air among the machine frames is more uniform; in addition, each air guide channel only needs to be provided with one fan, and compared with the traditional mode that each layer of rack or each battery box is provided with one fan, the structure of the utility model can reduce the number of fans, reduce the failure rate and facilitate maintenance; the air duct outlet is vertical to the air guide inlet, and the air duct is fixed above the rack and is convenient for arranging the air duct and the air guide duct; adopt crossing current fan, replace direct current fan, force the drainage with cold air, increase air-out efficiency, guarantee that every air outlet velocity of flow is balanced for the battery box cooling on each layer of frame is more even.
Description
Technical Field
The utility model relates to a lithium battery energy storage system, in particular to an air-cooled lithium battery energy storage system.
Background
Lithium batteries generate heat and expand in the charging and discharging processes, so that the lithium batteries need to be cooled, and the common cooling modes are wind cooling and water cooling.
The container lithium battery energy storage system usually adopts the air-conditioning air-cooling to dispel the heat for the battery box in the container, and the cold wind that comes out from the air-conditioning air outlet can't even circulation to each position in the container in the confined environment for the inside subregion battery temperature rise of container is inhomogeneous, and the temperature is too high.
In addition, the air-conditioning air cooling mode is as follows: the rack is divided into a plurality of layers, a plurality of battery boxes are arranged side by side on each layer, and cold air exhausted from the air outlet of the air conditioner is guided to each battery box by arranging a direct current small fan on each battery box body or arranging a direct current small fan on each layer of the rack.
The air cooling system adopting the structure has the following defects:
(1) the small direct-current fans are arranged on each battery box or each layer of machine frame, the number is very large, the noise of the small direct-current fans is high, the failure rate is high, and frequent maintenance is needed;
(2) for the energy storage system which adopts the container to store uniformly, cold air from the air outlet of the air conditioner cannot uniformly circulate to each part in the container in a closed environment, so that the temperature rise of the batteries among the racks is not uniform, and the temperature is overhigh.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an air-cooled lithium battery energy storage system, which can enable air-conditioning cold air to be more uniformly distributed among racks, reduce the number of fans for the cold air, reduce the failure rate, and facilitate maintenance.
The technical scheme of the utility model is realized as follows: the utility model provides an air-cooled lithium battery energy storage system, which comprises a rack, wherein the rack is provided with a plurality of layers from top to bottom, each layer is provided with a battery box, the air-cooled lithium battery energy storage system also comprises an air duct, a plurality of fans and a plurality of air guide ducts, wherein,
the air duct is fixed above the rack, an air duct inlet and a plurality of air duct outlets are formed in the air duct, the air duct inlet is externally communicated with the air conditioner air outlet, and each air duct outlet is communicated with an air inlet of a fan;
the air guide channel extends from top to bottom along the rack, an air guide inlet and an air guide outlet are formed in the air guide channel, the air guide inlet is communicated with an air outlet of a fan, and the air guide outlet is aligned to a battery box placed on each layer of the rack.
On the basis of the above technical scheme, preferably, the air duct outlet is perpendicular to the air guide inlet, and the fan is a cross flow fan.
On the basis of the above technical solution, preferably, each air guide channel is provided with a plurality of air guide outlets, and each floor of the rack is provided with at least one air guide outlet.
On the basis of the above technical solution, preferably, each air guide channel is provided with one air guide outlet.
Preferably, the air guide duct is a box-shaped structure with an open top and an open side, and is fixed on the side of the rack, the open top is an air guide inlet, and the open side forms an air guide outlet.
On the basis of the technical scheme, preferably, the rack is formed by connecting a plurality of rack units end to end, two rows of battery boxes are placed side by side on each layer of each rack unit, and each rack unit is correspondingly provided with a fan and an air guide channel.
It is further preferred that adjacent racks are arranged side by side and share a common air duct.
Preferably, the wiring panel of the battery box is arranged right opposite to the air guide outlet, and the wiring panel of the battery box is provided with a vent hole.
On the basis of the technical scheme, the air-cooling system is preferred to further comprise a container, the rack, the air duct, the fan and the air guide duct are all arranged in the container, and the refrigeration air conditioner is installed on the container.
Compared with the prior art, the air-cooled lithium battery energy storage system has the following beneficial effects:
(1) the air duct is arranged to be externally connected with an air conditioner for refrigeration, and then the air duct guides cold air to each layer of machine frame, so that the cold air distribution among the machine frames is more uniform; in addition, each air guide channel only needs to be provided with one fan, and compared with the traditional mode that each layer of rack or each battery box is provided with one fan, the structure of the utility model can reduce the number of fans, reduce the failure rate and facilitate maintenance;
(2) the air duct outlet is vertical to the air guide inlet, and the air duct is fixed above the rack and is convenient for arranging the air duct and the air guide duct;
(3) adopt crossing current fan, replace direct current fan, force the drainage with cold air, increase air-out efficiency, guarantee that every air outlet velocity of flow is balanced for the battery box cooling on each layer of frame is more even.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of the air-cooled lithium battery energy storage system of the present invention after the cover plate of the air duct is opened;
FIG. 2 is a top view of the air duct and fan of the air-cooled lithium battery energy storage system of the present invention;
FIG. 3 is a perspective view of a frame, a fan and an air duct of the air-cooled lithium battery energy storage system of the present invention;
fig. 4 is a perspective view of the frame, the fan and the air guide channel of the air-cooled lithium battery energy storage system of the utility model after the air guide channel cover plate is opened.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 4, the air-cooled lithium battery energy storage system of the utility model comprises a frame 1, an air duct 2, a plurality of fans 3, a plurality of air guide ducts 4 and a container.
Wherein, frame 1, for prior art, mainly used fixed battery box S of putting, it is provided with a plurality of layers from last to bottom, and battery box S has been placed to each layer.
In this embodiment, as a preferable mode, the rack 1 is formed by connecting a plurality of rack units 11 end to end, and two rows of battery boxes S are placed side by side in each layer of each rack unit 11. Specifically, the rack 1 may be formed by integrally forming a plurality of rack units 11, or the rack 1 may be formed by welding or fixedly connecting a plurality of rack units 11 end to end.
In this embodiment, as a preferable mode, the adjacent racks 1 are arranged side by side, so as to facilitate ventilation and heat dissipation.
And the air duct 2 is used for uniformly guiding cold air of the air conditioner to the rack 1, so that the cold air is prevented from being uniformly accumulated and the heat dissipation effect is prevented from being influenced. Specifically, the air duct 2 is fixed above the frame 1, the air duct 2 is provided with an air duct inlet 21 and a plurality of air duct outlets 22, the air duct inlet 21 is externally communicated with the air conditioner outlet, and each air duct outlet 22 is communicated with an air inlet of the fan 3. Therefore, cold air blown out by the refrigeration air conditioner enters the air duct 2 and is led out through the fans 3.
In the present embodiment, it is preferable that the adjacent racks 1 are arranged side by side and share one air duct 2. Of course, different air ducts 2 can be provided for different racks 1, which increases the cost.
And the air guide duct 4 is used for further uniformly guiding the air conditioning cold air to each layer of battery box S on the rack 1. Specifically, wind-guiding way 4 is followed frame 1 and is followed and to extending down, has seted up a wind-guiding entry and wind-guiding export on the wind-guiding way 4, and the air outlet of a wind-guiding entry intercommunication fan 3, the battery box S that 1 each layer of frame was placed is aimed at in the wind-guiding export. Therefore, cold air can be guided to each layer of rack 1 by the air guide channel 4, and the battery boxes S on each layer of rack 1 are cooled more uniformly; in addition, each air guide channel 4 only needs to be provided with one fan 3, and compared with the traditional mode that each layer of rack 1 or each battery box S is provided with one fan 3, the structure provided by the utility model can reduce the number of fans 3, reduce the failure rate and facilitate maintenance.
In this embodiment, the air duct outlet 22 is preferably perpendicular to the air guide inlet, and the fan 3 is a cross flow fan. Therefore, on one hand, the air duct outlet 22 is perpendicular to the air guide inlet, and the air duct 2 is fixed above the rack 1, so that the air duct 2 and the air guide duct 4 are convenient to arrange; in the second aspect, a cross flow fan is adopted to replace a direct flow fan, cold air is forced to be drained, the air outlet efficiency is increased, the flow rate of each air guide outlet is balanced, and the battery boxes S on each layer of the rack 1 are cooled more uniformly.
Aiming at the arrangement of the air guide outlet, the utility model provides two structures:
one is that each air guide channel 4 is provided with a plurality of air guide outlets, and each layer of rack 1 is provided with at least one air guide outlet. In this way, the size of the air guide outlet is adjusted according to the air speed of the fan 3, so that the air speed of the air guide outlet at each layer of the rack 1 is controlled.
Secondly, each air guide duct 4 is provided with an air guide outlet. Therefore, the structure is simpler, the cross flow fan is adopted, the power is higher, and the requirement on the wind speed of the wind guide outlet can be generally met. Specifically, as a preferred mode, the air guide duct 4 is a box-shaped structure with an open top and an open side, and is fixed on the side of the rack 1, the open top is an air guide inlet, and the open side forms an air guide outlet.
In the present embodiment, as a preferable mode, one fan 3 and one air guide duct 4 are provided for each rack unit 11.
In this embodiment, as an optimal mode, the terminal board of the battery box S is arranged right opposite to the air guide outlet, and the terminal board of the battery box S is provided with a vent hole, so that ventilation and heat dissipation are facilitated.
In this embodiment, as a preferred mode, the rack 1, the air duct 2, the fan 3, and the air duct 4 are all disposed in a container, and a refrigeration air conditioner is installed on the container. Of course, the air-cooled lithium battery energy storage system is also suitable for a scene that the frame 1, the air duct 2, the fan 3 and the air guide duct 4 are arranged indoors.
The working principle of the air-cooled lithium battery energy storage system is described as follows:
cold air at the air outlet of the air conditioner enters the air duct 2;
under the suction of the fan 3, cold air enters the air guide channel 4 and is discharged through the air guide outlet, and the cold air is aligned with the battery boxes S arranged on each layer of the rack 1 to dissipate heat.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an air-cooled lithium battery energy storage system, its includes frame (1), wherein, frame (1) is from last to being provided with a plurality of layers down, and battery box (S), its characterized in that have been placed to each layer: also comprises an air duct (2), a plurality of fans (3) and a plurality of air guide ducts (4), wherein,
the air duct (2) is fixed above the rack (1), an air duct inlet (21) and a plurality of air duct outlets (22) are formed in the air duct (2), the air duct inlet (21) is communicated with the air conditioner air outlet, and each air duct outlet (22) is communicated with an air inlet of the fan (3);
air guide channel (4), extend from last to down along frame (1), seted up a wind-guiding entry and wind-guiding export on air guide channel (4), the air outlet of a wind-guiding entry intercommunication fan (3), battery box (S) that frame (1) each layer was placed is aimed at in the wind-guiding export.
2. The air-cooled lithium battery energy storage system of claim 1, wherein: the air duct outlet (22) is perpendicular to the air guide inlet, and the fan (3) adopts a cross flow fan.
3. The air-cooled lithium battery energy storage system of claim 1, wherein: each air guide channel (4) is provided with a plurality of air guide outlets, and each layer of rack (1) is provided with at least one air guide outlet.
4. The air-cooled lithium battery energy storage system of claim 1, wherein: each air guide channel (4) is provided with an air guide outlet.
5. The air-cooled lithium battery energy storage system of claim 4, wherein: the air guide duct (4) is of a box-shaped structure with an open top and an open side and is fixed on the side of the rack (1), the top opening is an air guide inlet, and the side is open to form an air guide outlet.
6. The air-cooled lithium battery energy storage system of claim 1, wherein: frame (1) is formed by a plurality of frame unit (11) end to end connection, and two rows of battery boxes (S) have been placed side by side on each layer of every frame unit (11), and every frame unit (11) corresponds and is provided with a fan (3) and a wind channel (4).
7. The air-cooled lithium battery energy storage system of claim 6, wherein: the adjacent racks (1) are arranged side by side and share one air duct (2).
8. The air-cooled lithium battery energy storage system of claim 7, wherein: the wiring panel of the battery box (S) is arranged right opposite to the air guide outlet, and the wiring panel of the battery box (S) is provided with a ventilation hole.
9. The air-cooled lithium battery energy storage system of claim 1, wherein: the air-conditioning unit is characterized by further comprising a container, wherein the rack (1), the air duct (2), the fan (3) and the air guide duct (4) are all arranged in the container, and a refrigeration air conditioner is installed on the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220362017.1U CN216872106U (en) | 2022-02-22 | 2022-02-22 | Air-cooled lithium battery energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220362017.1U CN216872106U (en) | 2022-02-22 | 2022-02-22 | Air-cooled lithium battery energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216872106U true CN216872106U (en) | 2022-07-01 |
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ID=82154077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220362017.1U Active CN216872106U (en) | 2022-02-22 | 2022-02-22 | Air-cooled lithium battery energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216872106U (en) |
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- 2022-02-22 CN CN202220362017.1U patent/CN216872106U/en active Active
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