CN221379491U

CN221379491U - Battery energy storage refrigerating system

Info

Publication number: CN221379491U
Application number: CN202322698571.4U
Authority: CN
Inventors: 孟宝军; 马开春; 阮再龙
Original assignee: Cornex New Energy Co ltd
Current assignee: Cornex New Energy Co ltd
Priority date: 2024-04-30
Filing date: 2024-04-30
Publication date: 2024-07-19
Anticipated expiration: 2034-04-30

Abstract

The utility model relates to the technical field of container energy storage, in particular to a battery energy storage refrigerating system, which comprises a container, an air duct and an air conditioner external unit, wherein the battery energy storage refrigerating system is characterized in that the air conditioner external unit is arranged outside the container; the heat productivity in the whole cabin can be reduced, the air conditioner external unit is arranged outside the container, and the heat generated by the air conditioner external unit can be directly emitted to the external environment. Meanwhile, the air duct is arranged in the container energy storage system, heat can be directly transmitted to an air outlet of the air conditioner external unit through the hot air duct, and efficient heat exchange in the container cabin is achieved. Therefore, the utility model can solve the technical problem of internal refrigeration of the container energy storage system, thereby improving the heat dissipation efficiency of the storage battery.

Description

Battery energy storage refrigerating system

Technical Field

The utility model relates to the technical field of container energy storage, in particular to a battery energy storage refrigeration system.

Background

With the development of the current energy storage power stations, the container energy storage system is more and more widely applied. The container energy storage system generally comprises a container body, a battery energy storage system, a refrigerating system, a monitoring system, an automatic fire-fighting system and the like.

In the prior art, because the container energy storage equipment is integrally installed, the air conditioner is installed inside the container, not only occupies the internal space of the container, but also has high energy consumption, and the internal air flow circulation is unreasonable, so that the good refrigerating effect can not be achieved. The storage battery can generate a large amount of heat in the charging and discharging process, the temperature in the container is generally reduced through an air conditioner, the battery in the energy storage power station is charged and discharged for a long time, the air conditioner is required to run for a long time, the energy of a large amount of battery energy storage systems is lost, the integral temperature in the container is reduced through air conditioner cold air, and the heat dissipation efficiency of the storage battery is lower.

Therefore, the heat productivity of the battery in the container energy storage system in the prior art is relatively large, the heat problem is not solved well, equipment outage easily occurs, and the power supply for residents is affected; and does not conform to the development trend of low carbon, energy conservation and high efficiency.

Disclosure of utility model

The utility model aims to provide a battery energy storage refrigeration system which can solve the technical problem of internal refrigeration of a container energy storage system, thereby improving the heat dissipation efficiency of a storage battery.

In order to achieve the above purpose, the battery energy storage refrigeration system comprises a container, an air duct and an air conditioner external unit, wherein the air duct is arranged at the top of the container, the air conditioner external unit is arranged at the outer side of the container, an air inlet of the air duct is communicated with a cold air inlet of the air conditioner external unit, and an air outlet of the air duct is communicated with a cavity of the container.

As a preferable scheme, the air outlet of the air duct is arranged on the side face of the air duct.

As a preferable scheme, a wind shield is arranged in the cavity of the air duct along the height direction of the cavity, and the wind shield is close to one side of the air outlet of the air duct.

Preferably, the wind shield is obliquely arranged in the cavity of the air duct. Namely, the wind shield forms a certain angle with the cold air flowing direction.

As the preferable scheme, the air outlet of wind channel has a plurality ofly, and the side of every air outlet all is equipped with a deep bead, the length of every deep bead increases in proper order along cold wind circulation direction. Each air outlet corresponds to a battery cluster arranged in the container.

As a preferable scheme, a cross-flow fan is arranged at the air outlet of the air duct.

Preferably, the plurality of air channels are arranged at the top of the container side by side.

As an optimal scheme, the number of the air conditioner external units is multiple, and the air conditioner external units are symmetrically distributed at two ends of the outer side of the container.

As a preferable scheme, the cavity of the container is divided into three bins, an electric bin is arranged in the middle of the cavity, two battery bins are arranged at the two ends of the cavity, and the air duct is arranged at the top of the battery bins.

The utility model has the beneficial effects that:

Compared with the method that the air conditioner external unit is placed on the inner side of the container, the battery energy storage refrigeration system reduces the size of the container, ensures that the internal structure of the container is compact, and improves the utilization rate of the whole space; the heat productivity in the whole cabin can be reduced, the air conditioner external unit is arranged outside the container, and the heat generated by the air conditioner external unit can be directly emitted to the external environment.

Meanwhile, the air duct is arranged in the container energy storage system, heat can be directly transmitted to an air outlet of the air conditioner external unit through the hot air duct, and efficient heat exchange in the container cabin is achieved.

Therefore, the utility model can solve the technical problem of internal refrigeration of the container energy storage system, thereby improving the heat dissipation efficiency of the storage battery.

Drawings

Fig. 1 is a schematic top view of the present utility model (without the container top cover).

Fig. 2 is a schematic front view of the present utility model (without the container door panels).

Fig. 3 is a schematic perspective view of a single duct according to the present utility model.

FIG. 4 is a schematic diagram of the hot air circulation of the present utility model.

FIG. 5 is a schematic diagram showing the flow of cold air in the air duct of the present utility model.

FIG. 6 is a schematic diagram showing cold air diffusion according to the present utility model.

Fig. 7 is an outside side view of the air conditioner of the present utility model.

Reference numerals illustrate:

The air conditioner comprises a 1-air conditioner external unit, a 2-battery compartment, a 3-air duct, a 4-electric compartment, a 5-air inlet, a 6-air outlet, a 7-wind shield, an 8-cross flow fan, a 9-battery cluster, a 10-container, an 11-cold air inlet and a 12-hot air inlet.

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. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

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 fixed or removable, 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.

As shown in fig. 1 and 2, the utility model provides a battery energy storage refrigeration system, which comprises a container 10, an air duct 3 and an air conditioner outdoor unit 1, wherein the air duct 3 is arranged at the top of the container 10, the air conditioner outdoor unit 1 is arranged at the outer side of the container 10, an air inlet 5 of the air duct is communicated with a cold air inlet of the air conditioner outdoor unit 1, and an air outlet 6 of the air duct is communicated with a cavity of the container 10.

As shown in fig. 3 to 6, the air outlet 6 of the air duct is arranged at the side surface of the air duct 3. A wind deflector 7 is arranged in the cavity of the air duct 3 along the height direction, and the wind deflector 7 is close to one side of the air duct air outlet 6. The wind shield 7 is obliquely arranged in the cavity of the air duct 3, namely, the wind shield 7 forms a certain angle with the flowing direction of cold air. The air outlets 6 of the air duct are multiple, and each air outlet 6 corresponds to one battery cluster 9 arranged in the container 10. The side of each air outlet 6 is provided with a wind deflector 7, and the length of each wind deflector 7 is sequentially increased along the cold air circulation direction. And a cross-flow fan 8 is arranged at the air outlet 6 of the air duct.

The plurality of air channels 3 are arranged at the top of the container 10 side by side. The air duct is arranged inside the container and is placed on the upper side of the container 10, the air duct air inlet 5 is communicated with the air cooling opening 11 of the air conditioner external unit, cold air penetrates through the whole battery compartment from the air cooling opening 11 of the air conditioner external unit, the air duct air outlet 6 is arranged at the position corresponding to each battery cluster, the air duct is internally provided with the wind deflectors 7 with different lengths, and cold air generated by the air conditioner external unit can be uniformly conveyed to each battery cluster, so that the problem of unbalanced heat transmission is avoided. And a cross-flow fan is arranged at the air outlet 6 of the air duct, so that the cold air conveying efficiency is improved, and the purpose of quickly cooling the battery system is achieved.

Fig. 3 is a schematic perspective view of a single air duct of the present utility model, and the direction of cold air circulation is shown by arrows in the figure.

FIG. 4 is a schematic diagram of the hot air circulation of the present utility model, and the hot air circulation direction is shown by the arrow in the figure.

FIG. 5 is a schematic diagram showing the flow of cold air in a plurality of air channels according to the present utility model, wherein the direction of cold air flow in each air channel is shown by an arrow in the figure.

FIG. 6 is a schematic diagram showing the cool air diffusion of the present utility model, wherein cool air flows out from the air duct and penetrates through the whole battery compartment so as to cool the energy storage system.

The cavity of the container 10 is divided into three bins, an electric bin 4 is arranged in the middle, two battery bins 2 are arranged at the two ends of the electric bin, and the air duct is arranged at the top of the battery bins 2. The container 10 is an integrated body of all devices, and comprises a bottom plate, a frame and a top cover, wherein the battery cluster, the electrical devices and the like are installed inside the container by adopting a frame type structure; the battery cluster is configured according to the actual energy requirement and is arranged in the cabin body of the container 10, and a plurality of battery plug boxes are arranged on the battery cluster; the container 10 is internally provided with three compartments, an electric bin 4 in the middle and two battery bins 2 at two ends, two rows of battery clusters are arranged in the battery bins, and cold air is output from an air outlet 6 of the air duct and then is sent to the battery clusters; after heat generated by the battery system exchanges heat with cold air output by the air duct cold air port 11, the heat is transmitted to a hot air port 12 of an air conditioner external unit through a hot air channel, and the air conditioner external unit discharges heat in the system.

As shown in fig. 7, the plurality of air conditioning units 1 are symmetrically distributed at both ends of the outer side of the container 10. The air conditioner external unit is arranged outside the container 10 and is arranged along the width direction of the outer side of the container 10; compared with the method that the air conditioner external unit is placed on the inner side of the container 10, the size of the container 10 is reduced, the internal structure of the container 10 is compact, and the overall space utilization rate is improved; the heating value in the whole cabin can be reduced, the air conditioner external unit is arranged outside the container 10, and the heat generated by the air conditioner external unit can be directly emitted to the external environment; the air conditioner external unit can be integrally shipped after being installed along the width direction of the outer side of the container 10, so that the work of on-site wiring installation is reduced, and the on-site assembly easiness is improved. Four air conditioner external units are symmetrically arranged at two ends of the outer side of the container 10, so that the overall gravity center of the container 10 is stable, later-stage field hoisting is safe, and the air conditioner external units are symmetrically distributed to improve overall attractiveness.

The air conditioner external unit comprises a cold air port 11 and a hot air port 12, wherein the cold air port 11 is positioned at the upper side, the hot air port 12 is positioned at the lower side, the air conditioner external unit is arranged on the width direction of the container 10, cold air generated by the air conditioner external unit is generated from the cold air port 11 and is sent into the air channel, a cold air channel is formed from the cold air port 11 of the air conditioner external unit to the air outlet 6 of the air channel, after the cold air is sent to the upper parts of all battery frames, the cold air is sent out through the cold air outlet 6 arranged on the air channel, and in order to increase the air supply effect of the cold air, a cross flow fan is arranged at the air outlet 6 of the air channel to send the cold air down from the upper part of the container 10; the front side of the battery cluster and the box body side form a hot air channel, and hot air generated after cooling is conveyed to an air outlet on an air conditioner external unit through the hot air channel in the container 10 so as to achieve the purpose of cooling the whole battery system. The hot air channel can directly transmit heat to an air outlet of the air conditioner external machine through the hot air channel, so that the efficient exchange of heat in the container 10 cabin is realized.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A battery energy storage refrigeration system, characterized in that: the air conditioner comprises a container (10), an air duct (3) and an air conditioner external unit (1), wherein the air duct (3) is arranged at the top of the container (10), the air conditioner external unit (1) is arranged at the outer side of the container (10), an air inlet (5) of the air duct is communicated with a cold air port of the air conditioner external unit (1), and an air outlet (6) of the air duct is communicated with a cavity of the container (10).

2. A battery energy storage refrigeration system as set forth in claim 1 wherein: an air outlet (6) of the air duct is arranged on the side face of the air duct (3).

3. A battery energy storage refrigeration system as set forth in claim 1 wherein: a wind deflector (7) is arranged in the cavity of the air duct (3) along the height direction, and the wind deflector (7) is close to one side of the air outlet (6) of the air duct.

4. A battery energy storage refrigeration system as set forth in claim 3 wherein: the wind shield (7) is obliquely arranged in the cavity of the air duct (3).

5. A battery energy storage refrigeration system as set forth in claim 4 wherein: the air outlet (6) of wind channel have a plurality ofly, and the side of every air outlet (6) all is equipped with a deep bead (7), the length of every deep bead (7) increases in proper order along cold wind circulation direction.

6. A battery energy storage refrigeration system as set forth in claim 1 wherein: and a cross-flow fan (8) is arranged at the air outlet (6) of the air duct.

7. A battery energy storage refrigeration system as set forth in any one of claims 1 to 6 wherein: the plurality of air channels (3) are arranged at the top of the container (10) side by side.

8. A battery energy storage refrigeration system as set forth in claim 7 wherein: the air conditioner is characterized in that a plurality of air conditioner external units (1) are symmetrically distributed at two ends of the outer side of the container (10).

9. A battery energy storage refrigeration system as set forth in claim 8 wherein: the cavity of the container (10) is divided into three bins, an electric bin (4) is arranged in the middle, two battery bins (2) are arranged at two ends, and the air duct (3) is arranged at the top of the battery bins (2).