CN217427395U

CN217427395U - Distributed energy storage cabinet

Info

Publication number: CN217427395U
Application number: CN202220038937.8U
Authority: CN
Inventors: 曾晴; 杨义; 桂勇华
Original assignee: HNAC Technology Co Ltd
Current assignee: HNAC Technology Co Ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-09-13
Anticipated expiration: 2032-01-07

Abstract

The embodiment of the application discloses a distributed energy storage cabinet, wherein a PCS, a battery cluster controller, a strong current distribution box, a weak current distribution box and a plurality of battery boxes are symmetrically arranged in a cabinet body, specifically, the PCS and the battery cluster controller are symmetrically arranged, the strong current distribution box and the weak current distribution box are symmetrically arranged, and the plurality of battery boxes are symmetrically distributed relative to a middle line bin, so that the structural layout of the distributed energy storage cabinet is optimized, meanwhile, the alternating current cables are arranged in the middle wire bin positioned in the middle of the cabinet body, the direct current cables are arranged at two sides of the cabinet body, compared with the mode that all the cables are arranged at two sides of the cabinet body in the prior art, the middle part of the cabinet body does not need to be provided with a heat insulation layer, the middle space of the cabinet body can be effectively utilized, the utilization rate of the space in the cabinet body is improved, the length of the cabinet body can be designed to be shorter, so that the occupied area of the cabinet body is reduced, and the energy density of the distributed energy storage cabinet is improved.

Description

Distributed energy storage cabinet

Technical Field

The application relates to the technical field of energy storage, in particular to a distributed energy storage cabinet.

Background

The energy storage technology mainly comprises electricity storage and heat storage, and the energy storage mode mainly comprises mechanical energy storage, electromagnetic energy storage and electrochemical energy storage, wherein the electrochemical energy storage comprises a lead-acid battery, a lithium ion battery, a flow battery, a sodium-sulfur battery and the like.

At present, the electrochemical energy storage technology is rapidly developed, diversification is also achieved in a technical route, such as centralized energy storage and distributed energy storage, the centralized energy storage has the advantage of high energy density, but the centralized energy storage is insufficient in the application scene and the standardized production aspect of small-scale energy storage, and the distributed energy storage has unique advantages in the application scene and the standardized production aspect of small-scale energy storage, but the distributed energy storage occupies a large area and has high energy density.

Therefore, how to reduce the occupied area of the distributed energy storage and improve the energy density of the distributed energy storage becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The application provides a distributed energy storage cabinet to reduce the area of distributed energy storage, improve the energy density of distributed energy storage.

In order to achieve the above object, the present application provides a distributed energy storage cabinet, which includes a cabinet body, a circuit breaker, a PCS, a battery cluster controller, a strong current distribution box, a weak current distribution box and a plurality of battery boxes,

direct current cables are arranged on two side walls of the cabinet body along the height direction and are connected to the battery cluster controller;

the battery cluster controller is arranged above the cabinet body, and the PCS is arranged above the cabinet body and is symmetrical to the battery cluster controller in position;

also comprises a first return air bin, a second return air bin and an intermediate line bin,

the first return air bin and the second return air bin are respectively positioned below the battery cluster controller and the PCS, the strong current distribution box is installed in the first return air bin, the weak current distribution box is installed in the second return air bin,

the intermediate line storehouse sets up first return air storehouse with the below in second return air storehouse and certainly the lower extreme in first return air storehouse extends to the diapire of the cabinet body, the circuit breaker is located in the intermediate line storehouse, arrange the interchange cable in the intermediate line storehouse, the interchange cable is followed PCS connects out, through circuit breaker and electric wire netting or load cable connection, and is a plurality of the battery box is located the below of the cabinet body.

Preferably, in the above distributed energy storage cabinet, a front door and a rear door are arranged on the cabinet body,

the front door and the rear door are both double-opening doors.

Preferably, in the above distributed energy storage cabinet, a wall-mounted air conditioner is disposed on a door leaf of the rear door.

Preferably, in the distributed energy storage cabinet, an air deflector is disposed at a position corresponding to the wall-mounted air conditioner on the inner side of the door leaf.

Preferably, in the distributed energy storage cabinet, an SOC display and control system is arranged on the front door, the SOC display and control system is mounted on the front door through a small door, and the small door is hinged to the front door.

Preferably, in the above-mentioned distributed energy storage cabinet, a PCS bin for installing the PCS is arranged in the cabinet, and the PCS bin is separated from a space in the cabinet where the battery cluster controller, the strong current distribution box, the weak current distribution box and the plurality of battery boxes are installed.

Preferably, in the above distributed energy storage cabinet, the upper end of the top cover of the cabinet body is a closed end, the lower end of the top cover is an open end, and the open end is connected to the cabinet body,

the top cover comprises a top plate, a first side plate, a second side plate, a third side plate and a fourth side plate,

the top plate is positioned at the closed end and is a rectangular top plate, the projection area of the top plate on the horizontal plane is smaller than that of the cabinet body on the horizontal plane,

the first side plate and the second side plate are both trapezoidal side plates, the first side plate is connected with the first short edge of the top plate, the second side plate is connected with the second short edge of the top plate, the first side plate and the second side plate are perpendicular to the top plate,

the third side plate and the fourth side plate are respectively connected with the first long edge of the top plate and the second long edge of the top plate, the third side plate and the fourth side plate respectively comprise an inclined plate and a vertical plate, the upper end of the inclined plate is connected with the top plate, the lower end of the inclined plate is connected with the vertical plate, and the vertical plate is perpendicular to the top plate.

Preferably, in the above distributed energy storage cabinet, a hoisting ring is arranged on the top cover,

the lower extreme of the cabinet body is provided with the base, be provided with the fork truck hole on the base.

Preferably, in the above-mentioned distributed energy storage cabinet, a plurality of fire detection tube extinguishers are further included, and the plurality of fire detection tube extinguishers are arranged in the intermediate wire bin.

The distributed energy storage cabinet provided by the embodiment of the application has the advantages that the PCS, the battery cluster controller, the strong current distribution box, the weak current distribution box and the plurality of battery boxes are symmetrically arranged in the cabinet body, particularly, the PCS and the battery cluster controller are symmetrically arranged, the strong current distribution box and the weak current distribution box are symmetrically arranged, and the plurality of battery boxes are symmetrically distributed relative to the middle line bin, so that the structural layout of the distributed energy storage cabinet is optimized, meanwhile, the alternating current cables are arranged in the middle wire bin positioned in the middle of the cabinet body, the direct current cables are arranged at two sides of the cabinet body, compared with the mode that all the cables are arranged at two sides of the cabinet body in the prior art, the middle part of the cabinet body does not need to be provided with a heat insulation layer, the middle space of the cabinet body can be effectively utilized, the utilization rate of the space in the cabinet body is improved, the length of the cabinet body can be designed to be shorter, so that the occupied area of the cabinet body is reduced, and the energy density of the distributed energy storage cabinet is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 examples or embodiments of the application, and that for a person skilled in the art, without inventive effort, further drawings can be derived from the presented drawings, and the application can also be applied to other similar scenarios from the presented drawings. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.

Fig. 1 is a perspective view of a distributed energy storage cabinet provided herein;

fig. 2 is a perspective view of a distributed energy storage cabinet provided herein;

fig. 3 is a rear view of a distributed energy storage cabinet provided herein;

fig. 4 is a layout of dc and ac cables of the distributed energy storage enclosure of the present application.

The drawings illustrate the following:

1. the intelligent household appliance comprises a cabinet body, 2, a battery box, 3, an air deflector, 4, a circuit breaker, 5, PCS5, 6, a middle line bin, 7, a wall-mounted air conditioner, 8, a battery cluster controller, 9, a top cover, 10, a direct current cable, 11, a front door, 12, a rear door, 13, an alternating current cable, 14, a small door, 15, a hoisting ring, 16, a base, 17, a fire detecting tube fire extinguisher, 18, a strong current distribution box, 19, a weak current distribution box, 20, an SOC display and control system, 21 and a ventilation opening.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that, for the convenience of description, only the portions related to the related applications are shown in the drawings. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be understood that "system", "apparatus", "unit" and/or "module" as used herein is a method for distinguishing different components, elements, parts or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.

As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Flow charts are used herein to illustrate operations performed by systems according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.

Please refer to fig. 1-4.

Some embodiments of the application disclose a distributed energy storage cabinet, which can solve the problems of large occupied area and low energy density of distributed energy storage.

The utility model discloses a distributed energy storage rack includes cabinet body 1, circuit breaker 4, PCS (energy storage converter) 5, battery cluster controller 8, forceful electric power block terminal 18, light current block terminal 19 and a plurality of battery box 2.

The utility model discloses a distributed energy storage rack still includes first return air storehouse, second return air storehouse and intermediate line storehouse 6.

This application optimizes through the structural configuration to distributed energy storage rack, satisfying under the prerequisite of protection level, can improve distributed energy storage rack's space utilization, and integrated and intelligent degree is higher, and the cable is arranged more rationally.

Specifically, two side walls of the cabinet body 1 in the height direction are provided with wire slots, the two wire slots are internally provided with direct current cables 10, namely, the direct current cables 10 are arranged on the side walls of the cabinet body 1, and the direct current cables 10 are connected to the battery cluster controller 8 through the wire slots;

the battery cluster controller 8 and the PCS5 are both arranged above the cabinet body 1, and the battery cluster controller 8 and the PCS5 are symmetrically distributed in the cabinet body 1;

the first air return bin and the second air return bin are symmetrically distributed in the cabinet body 1, the first air return bin and the second air return bin are respectively positioned below the battery cluster controller 8 and the PCS5, the first air return bin is internally provided with a strong current distribution box 18, and the second air return bin is internally provided with a weak current distribution box 19;

middle line storehouse 6 sets up in the below in first return air storehouse and second return air storehouse, and extends to the diapire of the cabinet body 1 from the lower extreme in first return air storehouse, and middle line storehouse 6 sets up along the direction of height of the cabinet body 1 promptly, and circuit breaker 4 sets up in middle line storehouse 6, arranges in the middle line storehouse 6 and exchanges cable 13, exchanges cable 13 and connects out from PCS5, is connected with electric wire netting or load cable through circuit breaker 4. Specifically, one end of the ac cable 13 is connected to the PCS5, the other end of the ac cable 13 is connected to the circuit breaker 4, and the circuit breaker 4 is connected to the grid input and load cable.

A plurality of battery boxes 2 are provided below the cabinet body 1. Preferably, the plurality of battery boxes 2 are evenly distributed on both sides of the intermediate wire bin 6.

The space that the intermediate line storehouse 6 will be located first return air storehouse and second return air storehouse below separates into two little spaces, and a plurality of battery box 2 evenly distributed is in two little spaces. As shown in fig. 1, the battery cases 2 located on both sides of the intermediate line bin 6 are arranged in a stacked manner in the vertical direction.

This application realizes exchanging 13 cable and the direct current cable 10 of cable and separately walks the line through wire casing and intermediate line storehouse 6, has optimized distributed energy storage rack and has walked the line, and the reliability is higher, and it is more convenient to maintain.

The adjacent battery boxes 2 are connected in series, and the battery boxes 2 which are positioned at two sides of the middle line bin 6 and are positioned at the lower end of the cabinet body 1 are connected in series.

The utility model discloses a distributed energy storage cabinet, PCS5, a battery cluster controller 8, a strong current distribution box 18, a weak current distribution box 19 and a plurality of battery boxes 2 are symmetrically arranged in a cabinet body 1, concretely, PCS5 and the battery cluster controller 8 are symmetrically arranged, the strong current distribution box 18 and the weak current distribution box 19 are symmetrically arranged, and the plurality of battery boxes 2 are symmetrically distributed relative to a middle wire bin 6, thereby optimizing the structural layout of the distributed energy storage cabinet, meanwhile, an alternating current cable 13 is arranged in the middle of the cabinet body 1 in the middle of the middle wire bin 6, a direct current cable 10 is arranged at two sides of the cabinet body 1, compared with the prior art in which all cables are arranged at two sides of the cabinet body 1, a heat insulation layer is not required to be arranged at the middle part of the cabinet body 1, the middle space of the cabinet body 1 can be effectively utilized, the utilization rate of the space in the cabinet body 1 is improved, and the length of the cabinet body 1 can be designed to be shorter, therefore, the occupied area of the cabinet body 1 is reduced, and the energy density of the distributed energy storage cabinet is improved.

The wiring has been optimized in this application, and on all wires that PCS5 and circuit breaker 4 are connected to circuit breaker 4 through intermediate line storehouse 6, no unnecessary wire exposed, the cable trend was clean and tidy, has improved the regularity of walking the line, has better maintainability.

The number of PSC5 is one or more, PSC5 is arranged above the first return air cabin and/or the second return air cabin, and a plurality of PCS5 are arranged side by side along the width direction of the cabinet body 1.

The distributed energy storage cabinet disclosed by the application can be applied and expanded to a plurality of application scenarios, such as an array type PCS5 unit cabinet, a battery replacement unit cabinet, a modular power distribution unit cabinet and the like.

This application carries out clear regional division with battery box 2, forceful electric power block terminal 18, light current block terminal 19, PCS5, circuit breaker 4 and cable in the distributed energy storage rack, more conveniently overhauls, and the mode overall arrangement with bilateral symmetry all around in the cabinet body 1 simultaneously is whole pleasing to the eye, generous succinct.

Intermediate line storehouse 6 comprises a plurality of porous shroudings concatenations in this application, and every porous shrouding can carry out independent dismouting, can conveniently walk the line and overhaul.

Preferably, the middle line bin 6 is a cubic line bin, the cubic line bin is arranged along the height direction of the cabinet body 1, and the middle line bin 6 extends from the lower part of the first return air bin and the second return air bin to the lower end of the cabinet body 1. A plurality of battery boxes 2 are evenly distributed on two sides of the middle line bin 6.

Combine battery cluster controller 8, PCS5, forceful electric power block terminal 18, light current block terminal 19 and a plurality of battery box 2 at the overall arrangement mode of cabinet body 1 for exchange cable 13 to the direction waterfall formula of orientation circuit breaker 4 converge to intermediate line storehouse 6, during the maintenance operation, only need pull down porous shrouding, according to the line mark find out the cable can, the cable is walked the line rule, reduces and overhauls the degree of difficulty.

The cabinet body 1 is provided with a front door 11 and a rear door 12, and the front door 11 and the rear door 12 are oppositely arranged on two sides of the cabinet body 1 in the width direction. The front door 11 and the rear door 12 are symmetrically arranged in the front-rear direction in this application.

The cabinet body 1 is the cube form cabinet body, and the preceding and the back of the cabinet body 1 are the width direction's of the cabinet body 1 both sides, uses figure 1 as the reference in this application, and the one side that faces the reader in the naming figure 1 is the front side, and the one side relative with the front side of the cabinet body 1 is the rear side, and is corresponding, uses figure 1 as the reference, and the direction of height of the cabinet body 1 is vertical direction, and the length of the cabinet body 1 is all perpendicular with above-mentioned width direction and direction of height.

In order to reduce the installation difficulty of the front door 11 and the rear door 12 on the cabinet body 1 and ensure that the front door 11 and the rear door 12 can be opened sufficiently when the distributed energy storage cabinet is overhauled, the door leaves of the front door 11 and the rear door 12 are hinged with the cabinet body 1.

In order to reduce the space that occupies after qianmen 11 and back door 12 are opened, qianmen 11 and back door 12 all adopt two divisions of doors in this application, two door leafs that two divisions of doors are connected with cabinet 1 is articulated respectively.

In order to avoid the high temperature in the distributed energy storage cabinet, the wall-mounted air conditioner 7 is arranged on the door leaf of the back door 12, and the wall-mounted air conditioner 7 is used for adjusting the temperature in the cabinet body 1 so as to ensure that the battery box 2, the circuit breaker 4, the battery cluster controller 8, the strong current distribution box 18 and the weak current distribution box 19 in the distributed energy storage cabinet are at proper working temperatures.

The wall-mounted air conditioner 7 may be provided on only one of the door leaves of the rear door 12, or may be provided on both of the door leaves of the rear door.

In order to make the temperature of each battery box 2 more even in the cabinet body 1, this application is provided with aviation baffle 3 in the position that the interior survey of door leaf corresponds wall-hanging air conditioner 7, and every aviation baffle 3 supports the installation of modulization hole, can adjust the removal as required.

In some embodiments of the present application, the cabinet 1 is designed in a separated manner, and the space for installing the PCS5 is separated from other spaces of the cabinet 1, specifically, the PCS bin for installing the PCS5 is arranged in the cabinet 1, and the spaces for installing the battery cluster controller 8, the strong current distribution box 18, the weak current distribution box 19 and the plurality of battery boxes 2 in the cabinet 1 are separated from the PCS bin.

This application will install PCS 5's space and cabinet body 1's other spaces separately, and wall-hanging air conditioner 7 does not intervene PCS5 control by temperature change, realizes the cold and hot wind isolation in the cabinet body 1, effectively reduces the air conditioner consumption.

The present application is provided with vents 21 at positions of the front door 11 and the rear door 12 corresponding to the PCS5, and the PCS5 exchanges heat with the outside through the vents 21.

In order to further optimize the technical scheme, the SOC battery residual capacity percentage display and control system is arranged on the front door 11, the SOC display and control system 20 is installed on the front door 11 through the small door 14, and the small door 14 is hinged with the front door 11.

When the SOC display and control system 20 needs to be maintained, the small door 14 is opened, and the staff can maintain the SOC display and control system 20.

And the front door 11 and the rear door 12 are also provided with access monitoring systems.

In order to reduce the influence of the external environment on the temperature in the cabinet body 1 and reduce the heat exchange between the external environment and the cabinet body 1, the front door 11 and the rear door 12 used in the application are double-layer heat-insulating doors.

In order to further improve the thermal insulation performance of the cabinet body 1, two side plates of the cabinet body 1 in the width direction are double-layer thermal insulation side plates in the application.

As shown in fig. 1 and 2, a top cover 9 is arranged at the upper end of the cabinet body 1, and the top cover 9 protects the upper end of the cabinet body 1.

In order to reduce the heat exchange that goes on through the top of the cabinet body 1 and external environment, top cap 9 is double-deck heat preservation top cap in this application.

In some embodiments of the present application, the upper end of the top cover 9 is a closed end, the lower end of the top cover 9 is an open end, the open end is connected with the cabinet 1,

the top cover 9 comprises a top plate, a first side plate, a second side plate, a third side plate and a fourth side plate,

the top plate is positioned at the closed end and is a rectangular top plate, the projection area of the top plate on the horizontal plane is smaller than that of the cabinet body 1 on the horizontal plane,

the first side plate and the second side plate are both trapezoidal side plates, the first side plate is connected with the first short edge of the top plate, the second side plate is connected with the second short edge of the top plate, the first side plate and the second side plate are vertical to the top plate,

the third side plate and the fourth side plate are connected with the first long edge of the top plate and the second long edge of the top plate respectively, the third side plate and the fourth side plate comprise an inclined plate and a vertical plate, the upper end of the inclined plate is connected with the top plate, the lower end of the inclined plate is connected with the vertical plate, and the vertical plate is perpendicular to the top plate.

The width of the closed end is 1/5-1/3 of the width of the open end. Here, the width direction of the top cover 9 coincides with the width direction of the cabinet 1.

In order to facilitate the transportation of the cabinet body 1, the top cover 9 is provided with a hoisting ring 15.

The number of the hoisting rings 15 is four, and the hoisting rings are distributed at four corners of the top cover.

The lower extreme of cabinet body 1 is provided with base 16, is provided with the fork truck hole on the base 16.

Through the cooperation of hoisting ring 15 and fork truck hole for the cabinet body 1 not only can carry out whole migration through the crane, can also carry out whole migration through fork truck.

The utility model discloses a distributed energy storage rack still includes visit firetube fire extinguisher 17, and the number of visiting firetube fire extinguisher 17 is a plurality of and installs in intermediate line storehouse 6.

The alternating current cable 13 and the fire detecting tube fire extinguisher 17 are arranged in the middle wire chamber 6 side by side along the width direction of the cabinet body 1.

For the mode of exploring firetube fire extinguisher 17 among the prior art and bearing on the door of the cabinet body 1, this application will visit firetube fire extinguisher 17 and integrate in the cabinet body 1, has effectively shortened stringing length, has reduced the pipeline and has buckled, has improved extinguishing device's reliability.

Preferably, the fire detecting tube fire extinguisher 17 is provided with an air pressure observation window, so that the health status of the fire detecting tube fire extinguisher 17 can be concerned at any time.

The above description is only for the purpose of illustrating the preferred embodiments of the present application and the technical principles applied, and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. The scope of the application referred to in the present application is not limited to the specific combinations of the above-mentioned features, and it is intended to cover other embodiments in which the above-mentioned features or their equivalents are arbitrarily combined without departing from the spirit of the application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A distributed energy storage cabinet is characterized by comprising a cabinet body (1), a circuit breaker (4), a PCS (5), a battery cluster controller (8), a strong current distribution box (18), a weak current distribution box (19) and a plurality of battery boxes (2),

the two side walls of the cabinet body (1) in the height direction are provided with direct current cables (10), and the direct current cables (10) are connected into the battery cluster controller (8);

the battery cluster controller (8) is arranged above the cabinet body (1), and the PCS (5) is arranged above the cabinet body (1) and is symmetrical to the battery cluster controller (8);

also comprises a first return air bin, a second return air bin and an intermediate line bin (6),

the first return air bin and the second return air bin are respectively positioned below the battery cluster controller (8) and the PCS (5), the strong current distribution box (18) is installed in the first return air bin, the weak current distribution box (19) is installed in the second return air bin,

intermediate line storehouse (6) set up first return air storehouse with the below in second return air storehouse and certainly the lower extreme in first return air storehouse extends to the diapire of the cabinet body (1), circuit breaker (4) are located in intermediate line storehouse (6), arrange in intermediate line storehouse (6) and exchange cable (13), exchange cable (13) are followed PCS (5) connect out, through circuit breaker (4) and electric wire netting or load cable connection, it is a plurality of battery box (2) are located the below of the cabinet body (1).

2. The distributed energy storage cabinet according to claim 1, wherein the cabinet body (1) is provided with a front door (11) and a rear door (12),

the front door (11) and the rear door (12) are both double-opening doors.

3. The distributed energy storage cabinet according to claim 2, wherein a wall-mounted air conditioner (7) is provided on a door leaf of the rear door (12).

4. The distributed energy storage cabinet according to claim 3, wherein an air deflector (3) is arranged on the inner side of the door leaf at a position corresponding to the wall-mounted air conditioner (7).

5. The distributed energy storage cabinet according to claim 2, wherein the front door (11) is provided with an SOC display and control system (20), the SOC display and control system (20) is mounted on the front door (11) through a small door (14), and the small door (14) is hinged with the front door (11).

6. The distributed energy storage cabinet according to claim 1, wherein a PCS bin for mounting the PCS (5) is provided in the cabinet body (1), and the PCS bin is separated from a space in the cabinet body (1) in which the battery cluster controller (8), the high-power distribution box (18), the low-power distribution box (19) and the plurality of battery boxes (2) are mounted.

7. The distributed energy storage cabinet according to claim 1, wherein the upper end of the top cover (9) of the cabinet body (1) is a closed end, the lower end of the top cover (9) is an open end, and the open end is connected with the cabinet body (1),

the top cover (9) comprises a top plate, a first side plate, a second side plate, a third side plate and a fourth side plate,

the top plate is positioned at the closed end and is a rectangular top plate, the projection area of the top plate on the horizontal plane is smaller than that of the cabinet body (1),

8. The distributed energy storage cabinet according to claim 7, wherein a lifting ring (15) is provided on the top cover (9),

the lower extreme of cabinet body (1) is provided with base (16), be provided with the fork truck hole on base (16).

9. The distributed energy storage cabinet of claim 1, further comprising a plurality of fire detector tube extinguishers (17), the plurality of fire detector tube extinguishers (17) being disposed within the intermediate wire compartment (6).