CN220652231U

CN220652231U - Energy storage cabinet

Info

Publication number: CN220652231U
Application number: CN202322304379.2U
Authority: CN
Inventors: 何舒维; 闫亮; 余浩; 曹伦; 刘晨南
Original assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Current assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-22
Anticipated expiration: 2033-08-25

Abstract

The application discloses an energy storage cabinet relates to battery storage technical field. The energy storage cabinet comprises a cabinet body, a battery unit and a cooling unit, wherein the cabinet body is provided with a first placing cavity, a second placing cavity and a first partition board, and the first placing cavity and the second placing cavity are separated by the first partition board; the battery unit is arranged in the first placing cavity; the cooling unit is arranged on one side of the battery unit, is arranged in the second placing cavity, is connected with the battery unit and is used for radiating heat of the battery unit; the battery unit comprises a battery unit, wherein a heat preservation part is arranged on the inner wall of the first placing cavity and used for preventing the temperature outside the first placing cavity from affecting the battery unit. According to the battery pack heat dissipation device, heat dissipation is conducted on the battery unit, and the service life of the battery pack in the battery unit is prolonged.

Description

Energy storage cabinet

Technical Field

The application relates to the technical field of battery storage, in particular to an energy storage cabinet.

Background

At present, the existing energy storage integrated cabinet is generally characterized in that electric equipment and an energy storage unit are arranged in the cabinet body, the electric equipment and the storage unit are mixed and placed to be inconvenient for wiring of a connecting line, the line integration level is low, maintenance is not facilitated, and heat dissipation of the electric equipment is not facilitated. In addition, the existing outdoor energy storage integrated cabinet is low in electric quantity, cannot meet the high-temperature requirement of electricity, is high in air cooling technology, is poor in heat dissipation in the cabinet, and is low in service life of an electric core and low in PCS (Power Conversion System, energy storage converter) conversion efficiency.

Disclosure of Invention

In view of this, the object of the present application is to provide an energy storage cabinet, which aims to solve the technical problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows:

the embodiment of the application provides an energy storage cabinet, include:

the cabinet body is provided with a first placing cavity, a second placing cavity and a first partition board, and the first placing cavity and the second placing cavity are separated through the first partition board;

a battery unit disposed in the first placement cavity;

the cooling unit is arranged on one side of the battery unit, is arranged in the second placing cavity and is connected with the battery unit, and is used for radiating heat of the battery unit;

the battery unit comprises a battery unit, wherein a heat preservation part is arranged on the inner wall of the first placing cavity and used for preventing the temperature outside the first placing cavity from affecting the battery unit.

In one embodiment of the present application, the energy storage cabinet further includes a control unit disposed near the battery unit, and the control unit is used to control the charging and discharging process of the battery unit.

In one embodiment of the application, the cabinet body further comprises a third placing cavity and a second partition plate, wherein the third placing cavity is arranged at one end, far away from the ground, of the cooling unit, and the third placing cavity is separated from the second placing cavity by the second partition plate.

In one embodiment of the present application, the control unit includes a total breaker, the total breaker being disposed in the third placement cavity, the total breaker being electrically connected with the battery unit and an external power grid, the total breaker being used for connection or disconnection between the battery unit and the external power grid.

In one embodiment of the present application, the cabinet further includes a fifth placing cavity and a fourth partition, the fifth placing cavity is disposed at one end of the battery unit far away from the ground, the fifth placing cavity is separated from the first placing cavity by the fourth partition, and the fifth placing cavity is separated from the third placing cavity by the second partition.

In one embodiment of the present application, the control unit further includes a power distribution area and an energy storage converter, the power distribution area and the energy storage converter are both disposed in the fifth placement cavity, and the power distribution area is disposed on a side, close to the fourth partition, of the energy storage converter, the power distribution area is used for protecting a circuit in the control unit, and the energy storage converter is used for controlling charging and discharging processes of the battery unit, and performs ac and dc conversion.

In one embodiment of the present application, the cabinet body further includes a sixth placing cavity and a fifth partition, the sixth placing cavity is disposed on a side of the energy storage converter facing away from the power distribution area, and the sixth placing cavity is separated from the fifth placing cavity by the fifth partition, and the sixth placing cavity is separated from the first placing cavity by a fourth partition.

In one embodiment of the present application, the control unit further includes a high voltage box, the high voltage box is disposed in the sixth placement cavity, the high voltage box is connected with the battery pack and the energy storage converter, and the high voltage box is used for controlling the battery unit to concentrate output current.

In one embodiment of the present application, the control unit further includes a fire-fighting box disposed in the sixth placement cavity and located at a side of the high-pressure box near the fourth separator, and the fire-fighting box is connected with the battery unit.

In one embodiment of the present application, the control unit further includes an energy management system, the energy management system is disposed in the sixth placement cavity, the energy management system is located on a side of the high-voltage box facing away from the fifth partition, the energy management system is connected with the battery unit, the cooling unit, the energy storage converter, the high-voltage box and the fire control box, and the energy management system is used for collecting and monitoring data in the energy storage cabinet.

Compared with the prior art, the beneficial effects of this application are: the application provides an energy storage cabinet. The energy storage cabinet comprises a cabinet body, a battery unit and a cooling unit, wherein the cabinet body is provided with a first placing cavity, a second placing cavity and a first partition board, and the first placing cavity and the second placing cavity are separated by the first partition board; the battery unit is disposed in the first placement cavity. The cooling unit is arranged on one side of the battery unit, the cooling unit is arranged in the second placing cavity, the cooling unit is connected with the battery unit, and the cooling unit is used for radiating heat of the battery unit. The battery unit comprises a battery unit, wherein a heat preservation part is arranged on the inner wall of the first placing cavity and used for preventing the temperature outside the first placing cavity from affecting the battery unit. According to the battery cell cooling device, the cooling unit is isolated from the battery cell through the first partition plate, so that heat generated by the cooling unit is prevented from entering the first placing cavity, and the influence of the temperature of the cooling unit on the battery cell is reduced. In addition, this application is through setting up the heat preservation piece on the inner wall in first place the chamber, has further reduced other electrical structures in the energy storage cabinet and the first temperature outside placing the chamber is right the influence of battery unit has improved and has dispelled the heat to its battery unit, has improved the life of battery package in the battery unit.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic perspective view of an energy storage cabinet in the present application;

FIG. 2 shows another schematic perspective view of the energy storage cabinet of the present application;

FIG. 3 is a schematic view of a view angle structure of the energy storage cabinet in the present application;

FIG. 4 shows another view angle structure schematic diagram of the energy storage cabinet in the present application;

FIG. 5 is a schematic view of a view structure of the cabinet of the present application;

FIG. 6 shows another view of the cabinet of the present application;

FIG. 7 is a schematic perspective view of the cabinet in the present application;

fig. 8 shows another schematic perspective view of the cabinet in the present application.

Description of main reference numerals:

100-an energy storage cabinet; 110-a cabinet body; 111-a bottom plate; 112-top plate; 113-a first side plate; 114-a second side panel; 115-a first separator; 116-a second separator; 117-a third separator; 118-fourth separator; 119-a fifth separator; 1111—a first placement lumen; 1112-a second placement cavity; 1113-a third placement lumen; 1114-fourth placement chamber; 1115-a fifth placement lumen; 1116-a sixth placement chamber; 1121-a first back plate; 1122-a second back plate; 1123-a third back plate; 1123 a-a fan; 1124-fourth back plate; 120-battery cells; 130-a cooling unit; 140-a control unit; 141-total circuit breaker; 142-connecting terminals; 143-a power distribution area; 144-an energy storage converter; 145-high pressure box; 146-fire box; 147-energy management system.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1, 2, 5 and 6, embodiments of the present application provide an energy storage cabinet 100. The energy storage cabinet 100 includes a cabinet body 110, a battery unit 120, and a cooling unit 130.

The cabinet 110 has a first placing chamber 1111, a second placing chamber 1112, and a first partition 115, and the first placing chamber 1111 is partitioned from the second placing chamber 1112 by the first partition 115. The first separator 115 is, for example, sheet metal.

Specifically, the battery unit 120 is disposed in the first disposing chamber 1111. Wherein the battery unit 120 includes a plurality of battery packs therein. It should be noted that, for example, the number of the first placing cavities 1111 of the cabinet body 110 is plural, in this embodiment, the number of the first placing cavities 1111 of the cabinet body 110 is two, so that the energy storage cabinet 100 can store more battery packs, and the requirement of larger electric quantity is satisfied.

The cooling unit 130 is disposed at one side of the battery cell 120, and the cooling unit 130 is disposed in the second placement chamber 1112, the cooling unit 130 is connected to the battery cell 120, and the cooling unit 130 is used for radiating heat from the battery cell 120. Alternatively, the cooling unit 130 is, for example, a liquid cooling unit, and the liquid cooling unit is connected to each of the battery packs in the battery unit 120 through a liquid cooling pipe, and dissipates heat from each battery pack.

Wherein, be provided with the heat preservation piece on the inner wall of chamber 1111 is placed to the first, the heat preservation piece is used for avoiding the temperature outside the chamber 1111 is placed to the first influences battery unit 120, has guaranteed the radiating homogeneity of cooling unit 130 to the battery package, has improved the life-span of battery package. Optionally, the thermal insulation member is, for example, thermal insulation cotton.

In the related art, the existing energy storage integrated cabinet is generally provided with an electrical device and an energy storage unit in the cabinet body, and the electrical device and the storage unit are mixed and placed to be inconvenient for wiring of a flat cable of a connecting circuit, so that the circuit integration level is low, the maintenance is not facilitated, and the heat dissipation of the electrical device is not facilitated. In addition, the existing outdoor energy storage integrated cabinet is low in electric quantity, cannot meet the high-temperature requirement of electricity, is high in air cooling technology, is poor in heat dissipation in the cabinet, and is low in service life of an electric core and low in PCS (Power Conversion System, energy storage converter) conversion efficiency.

In the embodiment of the present utility model, the energy storage cabinet 100 includes a cabinet body 110, a battery unit 120 and a cooling unit 130, where the cabinet body 110 has a first placing cavity 1111, a second placing cavity 1112 and a first partition 115, the first placing cavity 1111 is separated from the second placing cavity 1112 by the first partition 115, the battery unit 120 is disposed in the first placing cavity 1111, and the cooling unit 130 is disposed in the second placing cavity 1112, so that the cooling unit 130 is isolated from the battery unit 120, and heat generated by the cooling unit 130 is prevented from entering the first placing cavity 1111, so that the influence of the temperature of the cooling unit 130 on the battery unit 120 is reduced, and meanwhile, the cooling unit 130 is connected with the battery unit 120 through a pipe and dissipates heat, so as to improve the service life of a battery pack in the battery unit 120. In addition, the heat insulation member is disposed on the inner wall of the first placement cavity 1111, so that the influence of other electrical structures in the energy storage cabinet 100 and the temperature outside the first placement cavity 1111 on the battery unit 120 is further reduced.

Specifically, as shown in fig. 1, the energy storage cabinet 100 further includes a control unit 140, the control unit 140 is disposed near the battery unit 120, and the control unit 140 is used to control the charging and discharging processes of the battery unit 120.

Optionally, as shown in fig. 7 and 8, the cabinet 110 further includes a third placement cavity 1113 and a second partition 116, the third placement cavity 1113 is disposed at an end of the cooling unit 130 away from the ground, and the third placement cavity 1113 is separated from the second placement cavity 1112 by the second partition 116. The second separator 116 is, for example, sheet metal.

Alternatively, as shown in fig. 3, the control unit 140 includes a total breaker 141, where the total breaker 141 is disposed in the third placement cavity 1113, the total breaker 141 is electrically connected to the battery unit 120 and the external power grid, and the total breaker 141 is used to control connection or disconnection between the battery unit 120 and the external power grid, that is, the total breaker 141 is a switch between the battery unit 120 and the external power grid in this embodiment.

In addition, the cabinet 110 further includes a fourth placing chamber 1114 and a third partition 117, the fourth placing chamber 1114 is disposed at an end of the cooling unit 130 near the ground, the fourth placing chamber 1114 is separated from the second placing chamber 1112 by the third partition 117, and the fourth placing chamber 1114 is separated from the first placing chamber 1111 by the second partition 116. The third separator 117 is, for example, a sheet metal.

Optionally, the control unit 140 further includes a connection terminal 142, where the connection terminal 142 is disposed in the fourth placing cavity 1114, the connection terminal 142 is electrically connected to the total circuit breaker 141, and the total circuit breaker 141 is connected to the external power grid through the connection terminal 142, that is, the connection terminal 142 is used for switching between the total circuit breaker 141 and the external power grid.

In addition, the cabinet 110 further includes a fifth placement chamber 1115 and a fourth partition 118, the fifth placement chamber 1115 is disposed at an end of the battery unit 120 remote from the ground, the fifth placement chamber 1115 is separated from the first placement chamber 1111 by the fourth partition 118, and the fifth placement chamber 1115 is separated from the third placement chamber 1113 by the second partition 116. The fourth separator 118 is, for example, sheet metal.

The control unit 140 further includes a power distribution area 143 and an energy storage converter 144, where the power distribution area 143 and the energy storage converter 144 are both disposed in the fifth placement cavity 1115, and the power distribution area 143 is disposed on a side of the energy storage converter 144 near the fourth partition 118, the power distribution area 143 is used for protecting a circuit in the control unit 140, and the energy storage converter 144 is used for controlling a charging and discharging process of the battery unit 120, and performing ac and dc conversion.

The distribution area 143 is used for metering the electric quantity of each battery pack in the battery unit 120 and protecting circuits, for example, electrical components such as a space switch, a kilowatt-hour meter, a fuse, a surge protector and the like.

Optionally, the cabinet 110 further includes a sixth placement cavity 1116 and a fifth partition 119, the sixth placement cavity 1116 being disposed on a side of the energy storage converter 144 facing away from the distribution area 143, and the sixth placement cavity 1116 being separated from the fifth placement cavity 1115 by the fifth partition 119, and the sixth placement cavity 1116 being separated from the first placement cavity 1111 by a fourth partition 118. The fifth partition 119 is, for example, a sheet metal.

Specifically, the control unit 140 further includes a high voltage box 145, the high voltage box 145 is disposed in the sixth placement cavity 1116, the high voltage box 145 is connected to the battery pack, the energy storage converter 144, and the total circuit breaker 141, and the high voltage box 145 is used for controlling the battery unit 120 to concentrate output current.

In addition, the control unit 140 further includes a fire-fighting box 146, the fire-fighting box 146 is disposed in the sixth placement cavity 1116, and the fire-fighting box 146 is located at one side of the high-pressure box 145 near the fourth separator 118, and the fire-fighting box 146 is connected with the battery unit 120.

The fire control box 146 includes a fire control system and fire control gas, and the fire control box 146 is connected with the battery pack in the battery unit 120 through a fire control gas pipe.

Optionally, a composite detector is disposed on a side of the fire box 146 near the battery unit 120, and the composite detector penetrates through the fourth partition 118 and enters the first placement cavity 1111, and the composite detector is used for detecting a temperature of the battery pack in the first placement cavity 1111.

Whether the battery unit 120 is in fire is detected by the composite detector, and when the battery pack of the battery unit 120 is in thermal runaway to generate fire, the fire control box 146 delivers fire control gas into the first placing cavity 1111 through the fire control gas pipeline to extinguish the fire.

It should be noted that the control unit 140 further includes an energy management system 147 (EMS, energy Management System), where the energy management system 147 is disposed in the sixth placement cavity 1116, the energy management system 147 is located on a side of the high-voltage box 145 facing away from the fifth partition 119, and the energy management system 147 is connected to the battery unit 120, the cooling unit 130, the total circuit breaker 141, the distribution area 143, the energy storage converter 144, the high-voltage box 145, and the fire protection box 146, and the energy management system 147 is configured to collect and monitor data of the battery unit 120 in the energy storage cabinet 100, that is, monitor a state of the battery unit 120 in real time.

As shown in fig. 5 and 7, the cabinet 110 in this embodiment includes a bottom plate 111, a top plate 112, a first side plate 113, and a second side plate 114. The first side plate 113 and the second side plate 114 are disposed on a side of the bottom plate 111 facing away from the ground, the first side plate 113 and the second side plate 114 are disposed on two sides of the bottom plate 111 relatively, and the first side plate 113 and the second side plate 114 are connected with the bottom plate 111 in a bolt connection manner, for example.

The top plate 112 is disposed at one end of the first side plate 113 and the second side plate 114, which are far away from the bottom plate 111, the top plate 112 is disposed opposite to the bottom plate 111, and the top plate 112 is connected with the first side plate 113 and the second side plate 114 respectively, for example, by bolting.

Wherein the first placement chamber 1111, the second placement chamber 1112, the third placement chamber 1113, the fourth placement chamber 1114, the fifth placement chamber 1115, and the sixth placement chamber 1116 are all located between the first side plate 113 and the second side plate 114, and between the bottom plate 111 and the top plate 112.

Optionally, one end of the first partition 115 is connected to the bottom plate 111, and one end of the first partition 115 away from the bottom plate 111 is connected to the top plate 112, for example, by riveting.

Wherein, one end of the second partition 116 is connected to the first partition 115, and one end of the second partition 116 away from the first partition 115 is connected to the second side plate 114, for example, by riveting.

The end of the third partition 117 near the first partition 115 is connected to the first partition 115, and the end of the third partition 117 far from the first partition 115 is connected to the second side plate 114, for example, by riveting.

The end of the fourth partition 118 close to the first partition 115 is connected to the first partition 115, and the end of the fourth partition 118 far from the first partition 115 is connected to the first side plate 113, for example, by riveting.

One end of the fifth partition 119, which is close to the top plate 112, is connected to the top plate 112, and one side of the fifth partition 119, which is far from the top plate 112, is connected to the fourth partition 118, which is, for example, riveted.

In this embodiment, the cabinet 110 further includes a first back plate 1121, a second back plate 1122, a third back plate 1123, and a fourth back plate 1124. The first back plate 1121 is disposed on a surface of the first placing cavity 1111 adjacent to the first side plate 113, and the first back plate 1121 is connected to the bottom plate 111, the first partition 115, the first side plate 113, and the fourth partition 118, respectively, for example, by riveting.

Optionally, the second back plate 1122 is disposed on a surface of the second placing cavity 1112, the third placing cavity 1113, and the fourth placing cavity 1114 adjacent to the second side plate 114, and the second back plate 1122 is disposed on a side of the first side plate 113 away from the first side plate, and the second back plate 1122 is connected to the bottom plate 111, the first partition 115, the second side plate 114, and the top plate 112, respectively, by riveting, for example.

Optionally, the third back plate 1123 is disposed on a side of the fifth placement cavity 1115 adjacent to the top plate 112 and is located at an end of the first back plate 1121 away from the bottom plate 111, and the third back plate 1123 is connected to the top plate 112, the first partition 115, and the fifth partition 119, respectively, by riveting, for example.

As shown in fig. 4, a plurality of fans 1123a may be disposed on the third back plate 1123, and the fans 1123a may suck the fifth placing cavity 1115, thereby dissipating heat from the energy storage converter 144.

Optionally, the fourth back plate 1124 is disposed on a side of the sixth placing cavity 1116 adjacent to the first side plate 113, and on a side of the third back plate 1123 adjacent to the first side plate 113, and the fourth back plate 1124 is connected to the top plate 112, the fourth partition 118, and the first side plate 113, respectively, for example by riveting.

Alternatively, the thermal insulation member is provided on a side of the first partition 115 close to the first placing chamber 1111, a side of the first back plate 1121 close to the first placing chamber 1111, and a side of the first side plate 113 close to the first placing chamber 1111.

The cabinet body 110 further includes a first cabinet door, a second cabinet door, a third cabinet door, and a fourth cabinet door.

Wherein, the first cabinet door is disposed on a surface of the cabinet body 110 facing away from the first back plate 1121, and the first cabinet door is disposed opposite to the first back plate 1121, and the first cabinet door is rotatably connected to the first partition 115 or the first side plate 113. The first placing chamber 1111 may be opened or closed by rotating the first cabinet door, thereby facilitating maintenance and replacement of the battery pack in the first placing chamber 1111.

The second cabinet door is disposed on a surface of the cabinet body 110 facing away from the second back plate 1122, and the second cabinet door is disposed opposite to the second back plate 1122, and the second cabinet door is rotatably connected to the second side plate 114. The second placing chamber 1112, the third placing chamber 1113, and the fourth placing chamber 1114 can be opened or closed by rotating the second cabinet door, thereby facilitating maintenance and replacement of devices in the second placing chamber 1112, the third placing chamber 1113, and the fourth placing chamber 1114.

The third cabinet door is disposed on a surface of the cabinet body 110 facing away from the third back plate 1123, and the third cabinet door is disposed opposite to the third back plate 1123, and the third cabinet door is rotatably connected to the first partition 115. The fifth placement cavity 1115 can be opened or closed by rotating the third door, thereby facilitating the repair and replacement of the devices in the fifth placement cavity 1115.

The fourth cabinet door is disposed on a surface of the cabinet body 110 facing away from the fourth backboard 1124, and the fourth cabinet door is disposed opposite to the fourth backboard 1124, and the fourth cabinet door is rotatably connected with the first side board 113. The sixth placing chamber 1116 may be opened or closed by rotating the fourth cabinet door, thereby facilitating maintenance and replacement of the devices in the sixth placing chamber 1116.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. An energy storage cabinet, comprising:

a battery unit disposed in the first placement cavity;

2. The energy storage cabinet of claim 1, further comprising a control unit disposed proximate to the battery cell, the control unit configured to control a charging and discharging process of the battery cell.

3. The energy storage cabinet of claim 2, wherein the cabinet body further comprises a third placement cavity and a second partition, the third placement cavity being disposed at an end of the cooling unit remote from the ground, the third placement cavity being separated from the second placement cavity by the second partition.

4. A tank according to claim 3, characterized in that the control unit comprises a total circuit breaker arranged in the third placement cavity, the total circuit breaker being electrically connected to the battery unit and to an external power grid, the total circuit breaker being adapted to be connected or disconnected between the battery unit and the external power grid.

5. The energy storage cabinet of claim 3, wherein the cabinet further comprises a fifth placement cavity and a fourth separator, the fifth placement cavity is disposed at an end of the battery unit remote from the ground, the fifth placement cavity is separated from the first placement cavity by the fourth separator, and the fifth placement cavity is separated from the third placement cavity by the second separator.

6. The energy storage cabinet of claim 5, wherein the control unit further comprises a power distribution area and an energy storage converter, the power distribution area and the energy storage converter are both arranged in the fifth placing cavity, the power distribution area is arranged on one side of the energy storage converter, which is close to the fourth partition board, the power distribution area is used for protecting a circuit in the control unit, and the energy storage converter is used for controlling charging and discharging processes of the battery unit and performing alternating current and direct current conversion.

7. The energy storage cabinet of claim 6, wherein the cabinet further comprises a sixth placement cavity and a fifth baffle, the sixth placement cavity is disposed on a side of the energy storage current transformer facing away from the distribution area, the sixth placement cavity is separated from the fifth placement cavity by the fifth baffle, and the sixth placement cavity is separated from the first placement cavity by a fourth baffle.

8. The energy storage cabinet of claim 7, wherein the control unit further comprises a high voltage box disposed in the sixth placement cavity, the high voltage box being connected to the battery unit and the energy storage converter, the high voltage box being configured to control the battery unit to concentrate an output current.

9. The energy storage cabinet of claim 8, wherein the control unit further comprises a fire box disposed in the sixth placement cavity and located on a side of the high-pressure box adjacent to the fourth separator, the fire box being connected to the battery unit.

10. The energy storage cabinet of claim 9, wherein the control unit further comprises an energy management system disposed in the sixth placement cavity, the energy management system being located on a side of the high voltage box facing away from the fifth separator, the energy management system being connected to the battery unit, the cooling unit, the energy storage converter, the high voltage box and the fire box, the energy management system being configured to collect and monitor data in the energy storage cabinet.