CN218414864U - Energy storage battery cabinet body and energy storage system - Google Patents
Energy storage battery cabinet body and energy storage system Download PDFInfo
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- CN218414864U CN218414864U CN202222365755.4U CN202222365755U CN218414864U CN 218414864 U CN218414864 U CN 218414864U CN 202222365755 U CN202222365755 U CN 202222365755U CN 218414864 U CN218414864 U CN 218414864U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an energy storage battery cabinet body and energy storage system, the energy storage battery cabinet body includes: the cabinet body is provided with a cabinet door and a cabinet wall air port and is provided with an inner cavity; the inner cavity comprises a current transformer bin and a battery bin which are mutually separated through a partition plate; a battery cluster frame is arranged in the battery bin; the air conditioner is embedded in the battery bin and is communicated with the side wall air opening; and the air duct is connected with the air opening on the wall of the cabinet and is provided with an air inlet of the air duct arranged at the top of the battery bin. An air duct is arranged in the energy storage battery cabinet body, hot air in the battery bin rises automatically, or cold air is blown into the battery bin by an air conditioner, so that the hot air in the battery bin rises; hot air flows out of the cabinet body through the guide of the air duct, which is beneficial to improving the heat dissipation efficiency of the battery compartment; the converter bin and the battery bin are mutually separated through the partition plates and are subjected to independent heat dissipation treatment, so that the temperature control precision is high; the air conditioner embedding sets up in the cabinet body, and the whole packing and the transportation of being convenient for improve the degree of integrating of energy storage battery cabinet.
Description
Technical Field
The utility model relates to an energy storage technology field, concretely relates to energy storage battery cabinet body and energy storage system.
Background
Energy storage refers to the process of storing energy by a medium or device and releasing the energy when needed. The energy storage technology is a necessary technology for the development of distributed energy, a smart grid and an energy internet. The electrochemical energy storage has high response speed, is basically not interfered by external conditions, and is mainly in the form of an energy storage battery cabinet body. A plurality of energy storage batteries are installed in the battery cabinet, so that the heating value of the batteries is large in the working process, and refrigeration and heat dissipation equipment such as an air conditioner and the like are required to be configured.
The energy storage cabinet mainly comprises an energy storage bidirectional converter, a battery box, a power distribution unit, a direct current protection component, a power distribution unit, an air conditioner and other refrigeration components. In order to improve the utilization rate of the space in the cabinet body, the air conditioners and/or other heat dissipation members of the conventional energy storage cabinet body are mostly arranged outside the cabinet body, as disclosed in CN209170053U, CN216288702U, CN212935341U, and the above structure brings more limitations to the overall packaging and transportation of the outdoor cabinet. In addition, the placement position of equipment in the cabinet body also determines the heat dissipation efficiency and the service life of the whole energy storage cabinet. How to improve the heat dissipation efficiency of the cabinet body is one of the urgent technical problems to be solved in the field of energy storage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purpose lies in overcoming the defect that exists among the prior art, provides an energy storage battery cabinet body, derives the cabinet body through the hot gas flow that rises in the wind channel with the battery compartment, improves cabinet body radiating efficiency.
In order to realize the technical effect, the utility model discloses a technical scheme does: an energy storage battery cabinet comprising:
the cabinet body is provided with a cabinet door and a cabinet wall air opening and is provided with an inner cavity; the inner cavity comprises a current transformer bin and a battery bin which are mutually separated through a partition plate; a battery cluster frame is arranged in the battery bin;
the air conditioner is embedded in the battery bin and is communicated with the air opening on the wall of the cabinet;
and the air duct is connected with the air opening on the wall of the cabinet and is provided with an air inlet of the air duct arranged at the top of the battery bin.
The preferable technical scheme is that the cabinet door comprises a first side cabinet door; the cabinet wall air opening is formed in the first side cabinet door, and the air channel is connected with the first side cabinet door.
The preferable technical scheme is that the air duct comprises a first air guiding cover and a second air guiding cover which are separated, the first air guiding cover is fixedly arranged in the battery bin, and the second air guiding cover is connected with the first side cabinet door; the first air guiding cover and the second air guiding cover are provided with air guiding openings which are mutually butted.
The preferable technical scheme is that the air conditioner is fixedly connected with the first side cabinet door.
The preferable technical scheme is that an air suction opening in the cabinet of the air conditioner is arranged in the air duct.
The preferable technical scheme is that the cabinet door further comprises a second side cabinet door; the first side cabinet door and the second side cabinet door are oppositely arranged along a first direction, the battery cluster frame is provided with a battery slot, and the slot length direction of the battery slot is consistent with the first direction.
The preferable technical scheme is that a high-voltage element accommodating position and/or a power distribution unit accommodating position are/is arranged at the bottom of an inner cavity of the cabinet body.
The preferable technical scheme is that an induced air heat dissipation part is arranged in the converter bin, and an air outlet is formed in the wall of the converter bin.
The preferable technical scheme is that a heat insulation layer is lined on the inner wall of the cabinet body.
The invention also provides an energy storage system, which comprises the energy storage battery cabinet, an energy storage bidirectional converter and a battery, wherein the energy storage bidirectional converter is removably arranged in the converter bin, and the battery is removably arranged in the battery cluster frame.
The utility model has the advantages and the beneficial effects that:
an air duct is arranged in the energy storage battery cabinet body, hot airflow in the battery bin rises due to induced air of an air conditioner, or cold air is blown into the battery bin by the air conditioner, so that the hot airflow in the battery bin rises; hot air flows out of the cabinet body through the guide of the air duct, which is beneficial to improving the heat dissipation efficiency of the battery compartment;
the converter bin and the battery bin are mutually separated through the partition plates and are subjected to independent heat dissipation treatment, so that the temperature control precision is high;
the air conditioner embedding sets up in the cabinet body, and the collision damage on the way of avoiding transporting is convenient for wholly pack and transportation, improves the degree of integrating of energy storage battery cabinet.
Drawings
Fig. 1 is a schematic perspective structure diagram of an energy storage battery cabinet according to an embodiment;
FIG. 2 is a rear view structural schematic diagram of an energy storage battery cabinet according to an embodiment;
FIG. 3 is a schematic diagram of the internal structure of the energy storage battery cabinet according to the embodiment;
fig. 4 is a schematic perspective view of an air conditioner;
fig. 5 is a schematic perspective view of the first wind scooper, the second wind scooper and the air conditioner;
FIG. 6 is another perspective view of the first wind scooper, the second wind scooper and the air conditioner;
in the figure: 1. a cabinet body; 101. a sidewall tuyere; 1011. an air inlet of the cabinet body; 1012. an air outlet of the cabinet body; 102. a converter bin; 103. a battery compartment; 104. a first side cabinet door; 105. a second side cabinet door; 106. an air outlet;
2. an air conditioner; 201. an air supply outlet in the cabinet; 202. an air suction opening in the cabinet;
3. an air duct; 301. an air inlet of the air duct; 302. an air outlet of the air duct; 303. a first wind scooper; 304. a second wind scooper; 305. a wind guide opening;
4. a battery cluster frame; 401. a battery slot; 402. a high-voltage element receiving location; 403. a power distribution unit receiving location; 5. an induced air heat sink; 6. an insulating layer.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship that is merely for convenience in describing the application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Examples
As shown in fig. 1 and 4-6, the energy storage battery cabinet body of the embodiment includes a cabinet body 1, an air conditioner 2 and an air duct 3, the cabinet body 1 is provided with a cabinet door and a cabinet wall air opening (a side wall air opening 101), and an inner cavity of the cabinet body 1 includes a current transformer bin 102 and a battery bin 103 which are spaced from top to bottom through a partition plate; a battery cluster frame 4 is arranged in the battery bin 103; the air conditioner 2 is arranged in the battery bin 103, and the air conditioner 2 is communicated with the side wall air opening 101; the air duct 3 is provided with an air duct inlet 301, the air duct inlet 301 is arranged at the top of the battery compartment 103, and the air exhaust end of the air duct 3 is connected with the side wall air port 101.
And a threading hole is formed in a partition plate between the converter bin 102 and the battery bin 103 and used for wiring. Preferably, the threading holes are provided with sealing sleeves to reduce the influence of the air flow in the battery compartment 103 on the converter compartment 102. The purpose of the battery cluster frame 4 is to position the batteries, and generally comprises fixedly connected upright posts and battery bottom supports, including but not limited to guide rails, plates, etc.; the fixed connection comprises but is not limited to welding and bolt connection, and welding with high strength, strong bearing capacity and high reliability is preferred. Alternatively, the converter bay 102 may be disposed below the battery bay 103. The cabinet wall air opening can also be arranged on the cabinet top surface, and is preferably arranged on the cabinet side wall.
The side wall tuyere 101 is partially used for air inlet, and the other part is used for air outlet. The cabinet air inlet 1011 and the cabinet air outlet 1012 of the side wall air outlet 101 are optionally arranged at intervals on the wall of the cabinet 1. According to the different environments of the cabinet 1, the air conditioner 2 can be set to different modes: the air conditioner discharges hot air in the cabinet, and replenishes filtered outside air or cooled cold air into the cabinet body 1, and the air conditioner 2 is provided with an inside-cabinet air supply outlet 201, an inside-cabinet air suction outlet 202, an outside-cabinet air outlet and an outside-cabinet air inlet, wherein the outside-cabinet air outlet and the outside-cabinet air inlet can be opposite to a side-wall air inlet 101 of the cabinet body.
As shown in fig. 1-3, in another alternative embodiment, the cabinet door includes a first side cabinet door 104; the side wall air opening 101 is arranged on the first side cabinet door 104, and the air duct 3 is connected with the first side cabinet door 104.
The first side cabinet door 104 can be opened and closed, so that equipment in the cabinet can be maintained and repaired conveniently. Optionally, the whole air duct 3 is a telescopic pipeline or comprises a telescopic pipe section, the communication between the battery bin 103 and the outside of the cabinet is not damaged when the cabinet door is opened, and the air guide function of the air duct 3 can be realized. But the length of the retractable duct limits the degree of opening of the first side cabinet door 104; the telescopic pipe sections also need to be arranged when the first side cabinet door 104 is opened and closed; the cabinet is internally provided with a containing space of a telescopic pipeline; the battery compartment 103 is not beneficial to the service life of the telescopic pipeline in a high-temperature state.
As shown in fig. 1, 3, 5-6, in another alternative embodiment, the air duct 3 includes a first wind scooper 303 and a second wind scooper 304 that are separated from each other, the first wind scooper 303 is fixedly disposed in the battery compartment 103, and the second wind scooper 304 is connected to the first side cabinet door 104; the first wind scooper 303 and the second wind scooper 304 are provided with wind scooper openings 305 that are butted against each other. Specifically, the second wind scooper 304 is fixedly connected with the first side cabinet door 104, so that the connection structure is more stable and reliable; compared with the telescopic pipeline, the opening degree of the first side cabinet door 104 is not affected; the air duct 3 has a compact structure, and is beneficial to improving the integration degree of components in the cabinet. In order to prolong the service life of the air duct 3, the first air guiding cover 303 and the second air guiding cover 304 may be made of known heat-resistant materials such as metal.
Further, the air duct 3 formed by combining the first air guiding cover 303 and the second air guiding cover 304 comprises a reducing section, and the cross section of the air duct 3 of the reducing section is smaller. The reducing section is beneficial to improving the air quantity and optimizing the flow guide effect of the air duct 3.
The air guiding openings 305 of the first air guiding cover 303 and the second air guiding cover 304 are vertically butted with each other. The second wind scooper is similar to a static pressure box, reduces dynamic pressure, increases static pressure, reduces airflow vibration and reduces noise. Further, the area of the air guiding opening 305 is smaller than the cross-sectional area of the air duct 3 at the air guiding opening 305.
The air conditioner 2 can be selectively and fixedly arranged in the inner cavity of the cabinet body 1, for example, the air conditioner 2 is fixedly arranged between the cabinet body 1 and a battery cluster frame 4 therein, and is fixedly connected with the battery cluster frame 4, or is connected with the inner wall of the cabinet body 1. The air conditioners 2 with the two connection structures can shield partial batteries to influence the maintenance of the batteries in the energy storage cabinet. In another preferred embodiment, as shown in fig. 1, the air conditioner 2 is fixedly attached to a first side cabinet door 104. Optionally, the air conditioner 2 is fixedly connected to the inner wall of the first side cabinet door 104, or part of the air conditioner 2 is embedded into the thickness space of the first side cabinet door 104, or the surface of the air conditioner 2 is a component of the inner surface and the outer surface of the cabinet door, that is, the air conditioner 2 is embedded in the through hole of the cabinet door. The first side cabinet door 104 is hinged with the cabinet body 1. The air conditioner 2 is opened along with the first side cabinet door 104, and components in the inner cavity of the energy storage cabinet are far away, so that sufficient space is provided for overhauling the air conditioner 2 and maintaining the components in the cabinet. Furthermore, an air outlet pipeline of the air conditioner 2 is communicated with the second air guiding cover 304, and the air conditioner 2 is an air duct for inducing air. The air conditioner 2 can be an outdoor air conditioner 2, and specifically, the outdoor air conditioner 2 connected with the first side cabinet door 104 is a wall-mounted air conditioner 2.
In an alternative embodiment, shown in fig. 2, 4-6, an in-cabinet suction opening 202 of the air conditioner 2 is disposed in the second wind scooper. Based on the installation mode that the air conditioner 2 is embedded in the through hole of the cabinet door, the outer cabinet air outlet of the air conditioner is used for discharging hot air in the air duct, namely the outer cabinet air outlet is used as the air outlet 1012 of the cabinet body, and the opening of the second air guiding cover, which is inserted into the air conditioner 2, is the air outlet 302 of the air duct. The cabinet external air inlet of the air conditioner is the cabinet body air inlet 1011 in fig. 2 and fig. 6.
In another alternative embodiment, as shown in fig. 3, the cabinet door further comprises a second side cabinet door 105; the first side cabinet door 104 and the second side cabinet door 105 are oppositely arranged along a first direction, the battery cluster frame 4 is provided with a battery slot 401, and the length direction of the battery slot 401 is consistent with the first direction. During assembly, the battery is inserted into the battery cluster frame 4 along the length direction of the groove, so that the assembly and maintenance of the battery can be conveniently carried out through the two side cabinet doors. Intervals are arranged between the batteries arranged side by side on the same layer and between the batteries on the upper layer and the lower layer, the air conditioner 2 of the first side cabinet door 104 supplies air to the inner cavity of the cabinet, and air flow passes through the intervals along the first direction, so that the wind resistance is smaller, and the heat dissipation efficiency of the batteries is improved. Further, the air inlet of the air duct 3 is close to the second side cabinet door 105, and the ascending air flow ascends along the second side cabinet door 105 and enters the air duct 3.
In another alternative embodiment, as shown in fig. 1, the bottom layer of the battery cluster rack 4 is provided with a high voltage component receiving location 402 and/or a power distribution unit receiving location 403. Specifically, the high-voltage component accommodating location 402 is used for accommodating direct-current protection components, including but not limited to a direct-current circuit breaker, a fuse, a hall sensor (shunt) for acquisition, and a BMS master controller; the power distribution unit receiving space 403 is used for receiving internal meters (used for energy storage and power generation metering), an ac circuit breaker, a socket, and auxiliary power supply in a control cabinet of the power distribution unit. Compared with a battery and an energy storage bidirectional converter, the high-voltage element accommodating position 402 and the power distribution unit accommodating position 403 have small heat productivity, and the layout below the battery cluster is more reasonable.
As shown in fig. 1 to 3, in another alternative embodiment, an induced air heat sink 5 is provided in the converter bin 102, and an air outlet 106 is provided in the cabinet wall of the converter bin 102. The induced air heat sink 5 can be a heat dissipation fan, the side of the cabinet body 1 is formed by enclosing a first side cabinet door 104, a second side cabinet door 105 and opposite side surfaces of the cabinet, an air outlet 106 is arranged in the first side cabinet door 104, the induced air heat sink 5 is arranged close to the second side cabinet door 105, and the second side cabinet door 105 located on the cabinet wall of the converter bin 102 is further provided with another cabinet body air inlet (not shown in the figure). The wind direction of the induced wind heat sink 5 is along the direction from the second side cabinet door 105 to the first side cabinet door 104, or along the direction from the first side cabinet door 104 to the second side cabinet door 105.
The side wall air outlets 101 (including the cabinet air inlet 1011 and the cabinet air outlet 1012) and the air outlet 106 of the cabinet 1 are all required to be provided with known electrical protection structures. Specifically, in order to meet outdoor installation requirements, the energy storage battery cabinet of the embodiment has to reach a protection level IP65 against foreign matter intrusion of the electrical equipment housing.
In another alternative embodiment, as shown in figure 1, the inner wall of the cabinet 1 is lined with an insulating layer 6. The thermal insulation layer 6 can effectively reduce the influence of the environment outside the energy storage cabinet body 1 on the temperature in the cabinet.
The energy storage system of the embodiment comprises the energy storage battery cabinet body 1 of the embodiment, and further comprises an energy storage bidirectional converter and a battery, wherein the energy storage bidirectional converter is removably arranged in the converter bin 102, and the battery is removably arranged in the battery cluster frame 4.
The working process of the energy storage system is as follows:
in the refrigeration state of the air conditioner, the fan carried by the battery discharges the heat in the battery into the inner cavity of the cabinet body 1; the air conditioner 2 draws air outside the cabinet through an air inlet outside the cabinet for refrigeration, and then blows cold air into the inner cavity of the cabinet body 1 through an air outlet 201 inside the cabinet; the cold air sinks and/or the heat exchange temperature with the battery rises, the hot air is concentrated on one side of the battery compartment close to the second side cabinet door 105, the hot air rises and enters the air duct 3 through the air duct air inlet, and the hot air is exhausted out of the cabinet body through the cabinet inside suction port 202 and the cabinet outside discharge port of the air conditioner 2, and the air flowing direction is shown in fig. 3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An energy storage battery cabinet, its characterized in that includes:
the cabinet body is provided with a cabinet door and a cabinet wall air port and is provided with an inner cavity; the inner cavity comprises a current transformer bin and a battery bin which are mutually separated through a partition plate; a battery cluster frame is arranged in the battery bin;
the air conditioner is embedded in the battery bin and is communicated with the air opening in the cabinet wall;
and the air duct is connected with the air opening on the wall of the cabinet and is provided with an air inlet of the air duct arranged at the top of the battery bin.
2. The energy storage battery cabinet of claim 1, wherein the cabinet doors comprise a first side cabinet door; the cabinet wall air opening is formed in the first side cabinet door, and the air duct is connected with the first side cabinet door.
3. The energy storage battery cabinet body of claim 2, wherein the air duct comprises a first air guiding cover and a second air guiding cover which are separated from each other, the first air guiding cover is fixedly arranged in the battery compartment, and the second air guiding cover is connected with the first side cabinet door; the first air guiding cover and the second air guiding cover are provided with air guiding openings which are mutually butted.
4. The energy storage battery cabinet body of claim 2, wherein the air conditioner is fixedly connected with the first side cabinet door.
5. The energy storage battery cabinet body of claim 1, wherein the in-cabinet suction port of the air conditioner is disposed in the air duct.
6. The energy storage battery cabinet of claim 2, wherein the cabinet doors further comprise a second side cabinet door; the first side cabinet door and the second side cabinet door are oppositely arranged along a first direction, the battery cluster frame is provided with a battery slot, and the slot length direction of the battery slot is consistent with the first direction.
7. The energy storage battery cabinet body as claimed in claim 1, wherein the bottom of the inner cavity of the cabinet body is provided with a high-voltage element accommodating position and/or a power distribution unit accommodating position.
8. The energy storage battery cabinet body of claim 1, wherein an induced draft heat sink is disposed in the converter bin, and an air outlet is disposed in a wall of the converter bin.
9. The energy storage battery cabinet body of claim 1, wherein the inner wall of the cabinet body is lined with a thermal insulation layer.
10. An energy storage system, comprising the energy storage battery cabinet of any one of claims 1 to 9, and further comprising an energy storage bidirectional converter and a battery, wherein the energy storage bidirectional converter is removably disposed in the converter bin, and the battery is removably disposed in the battery cluster rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222365755.4U CN218414864U (en) | 2022-09-06 | 2022-09-06 | Energy storage battery cabinet body and energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222365755.4U CN218414864U (en) | 2022-09-06 | 2022-09-06 | Energy storage battery cabinet body and energy storage system |
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| CN218414864U true CN218414864U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222365755.4U Active CN218414864U (en) | 2022-09-06 | 2022-09-06 | Energy storage battery cabinet body and energy storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598640A (en) * | 2023-05-06 | 2023-08-15 | 金华市华强电子科技股份有限公司 | Heat dissipation device and heat dissipation method for energy storage battery |
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2022
- 2022-09-06 CN CN202222365755.4U patent/CN218414864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598640A (en) * | 2023-05-06 | 2023-08-15 | 金华市华强电子科技股份有限公司 | Heat dissipation device and heat dissipation method for energy storage battery |
| CN116598640B (en) * | 2023-05-06 | 2024-03-19 | 金华市华强电子科技股份有限公司 | Heat dissipation device and heat dissipation method for energy storage battery |
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