CN113497301A

CN113497301A - Battery cabinet

Info

Publication number: CN113497301A
Application number: CN202010264387.7A
Authority: CN
Inventors: 李新宇; 徐福鑫; 李文鹏; 吕喆; 钱昊
Original assignee: Beijing Hyperstrong Technology Co Ltd
Current assignee: Beijing Hyperstrong Technology Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-10-12

Abstract

The invention provides a battery cabinet, comprising: rack main part and cooling system, the first bracket that lies in the superiors in the rack main part and the height that highly is greater than high-pressure box and battery subrack that lies in the second bracket of lower floor, high-pressure box sets up in first bracket or second bracket, a plurality of battery subracks set up respectively in other brackets except that the bracket at high-pressure box place, cooling system includes the wind channel, fan and support fixing device, the inside one side of orientation rack main part in wind channel corresponds the multilayer bracket and is provided with a plurality of air outlets, the tip in wind channel is provided with the air intake, the fan can be dismantled and connect the one end that has the air intake in wind channel and communicate with the air intake, support fixing device can dismantle the tip of connection in the wind channel, a top or the bottom for fixed connection in the rack main part. The battery cabinet provided by the invention can quickly realize the random switching between the upper wire outlet or the lower wire outlet and the upper air inlet or the lower air inlet, so that the battery cabinet is suitable for various working scenes.

Description

Battery cabinet

Technical Field

The invention relates to the technical field of energy storage batteries, in particular to a battery cabinet.

Background

At present, the battery energy storage system is more and more widely applied to each link from power generation to power utilization in the fields of new energy, smart power grids, energy-saving technologies and the like, the functions of the battery energy storage system mainly comprise upgrading and transformation of a traditional power grid, peak clipping and valley filling, the renewable energy grid-connected capacity is improved, a battery cabinet is taken as an important component in the battery energy storage system and comprises a frame, a cooling device, a high-voltage box and a plurality of battery plug boxes inserted in the frame, and the high-voltage box and the plurality of battery plug boxes are arranged in a laminated mode from top to bottom.

The air inlet mode of the battery cabinet cooling device is divided into upper air inlet and lower air inlet, the wiring mode of the battery cabinet operation site is divided into upper wire outlet and lower wire outlet, and in the prior art, the battery cabinet is assembled and installed by selecting one of the air inlet modes and the wiring mode.

After the installation mode is installed, the battery cabinet body cannot be changed, the universality is poor, the use environment is severely limited, if the use environment changes, the battery cabinet needs to be redesigned, the cost is increased, a large number of working hours are consumed, and the work efficiency is seriously reduced.

Disclosure of Invention

The invention provides a battery cabinet, which is used for solving the technical problem that the battery cabinet cannot realize random configuration of upper and lower outgoing lines and upper and lower air inlets so as to adapt to various working environments.

In order to achieve the above object, the present invention provides a battery cabinet, comprising: a cabinet body and a cooling system.

The rack is characterized in that a high-voltage box, a plurality of battery plug boxes and a plurality of layers of brackets are arranged in the rack body in sequence from top to bottom, the height of a first bracket on the uppermost layer and the height of a second bracket on the lowermost layer are larger than that of the high-voltage box and the height of the battery plug boxes, the height of the brackets is larger than that of the battery plug boxes, the high-voltage box is arranged in the first bracket or in the second bracket, and the battery plug boxes are arranged in other brackets except the bracket where the high-voltage box is arranged.

Cooling system includes wind channel, fan and supports fixing device, the wind channel is located on at least one side of rack main part, the orientation in wind channel one side inside the rack main part corresponds the multilayer bracket is provided with a plurality of air outlets, the tip in wind channel is provided with the air intake, the fan can be dismantled to be connected have in wind channel the one end of air intake and with the air intake intercommunication, it connects to support fixing device can dismantle the tip in wind channel for fixed connection is in the top or the bottom of rack main part.

Wherein the cooling system further comprises: fan mounting.

The supporting and fixing device is connected to one end, provided with the air inlet, of the air duct, the fan is fixed to the fan fixing piece, and the fan fixing piece is detachably connected with the supporting and fixing device.

Optionally, the supporting and fixing device includes two supporting beams, one end of each supporting beam is fixed to the end of the air duct, the other end of each supporting beam extends towards the direction close to the cabinet main body, and the fan fixing member is installed between the two supporting beams which are oppositely arranged.

Optionally, the support beam is an L-shaped support beam, and includes a first support plate and a second support plate that are vertically arranged, the first support plates of the two support beams are arranged oppositely, the second support plates of the two support beams are horizontally arranged, and the fan fixing member is placed on the two second support plates and is fixedly connected to the support beams through a fastening member.

The cabinet main body comprises a plurality of cabinet upright posts, each layer of the bracket comprises at least two fixed beams which are horizontally arranged, the fixed beams are fixed on the cabinet upright posts through fasteners, and the fixed beams are used for bearing the high-voltage box or the battery plug box.

In a possible implementation manner, one end of the fixing beam, which is far away from the front end of the high-voltage box or the battery inserting box, is provided with a first limiting part perpendicular to the fixing beam, the first limiting part is used for limiting the movement of the high-voltage box or the battery inserting box in the left-right direction, the cabinet column is provided with a second limiting part parallel to the fixing beam, and the second limiting part is used for limiting the movement of the high-voltage box or the battery inserting box in the up-down direction.

Optionally, the front ends of the high-voltage box and the battery box are fixed on the cabinet upright by fasteners to limit the high-voltage box and the battery box from moving in the front-rear direction.

Optionally, the air outlet comprises: a transverse air outlet and a longitudinal air outlet.

The transverse air outlet is arranged between the gaps of the two battery plug boxes or between the battery plug boxes and the ground, and the longitudinal air outlet is arranged opposite to the battery plug boxes.

Optionally, the battery cabinet further comprises: side plates.

The side plate is covered on the side vertical surface of the cabinet main body, and the side plate is provided with a ventilation opening.

Optionally, a forklift slot is arranged at the bottom of the cabinet main body.

The invention provides a battery cabinet, which comprises a cabinet main body and a cooling system, wherein a high-voltage box, a plurality of battery plug boxes and a plurality of layers of brackets which are sequentially arranged from top to bottom are arranged in the cabinet main body, the heights of a first bracket positioned on the uppermost layer and a second bracket positioned on the lowermost layer are set to be larger than the heights of the high-voltage box and the battery plug boxes so as to place the high-voltage box or the battery plug boxes, a plurality of brackets positioned on the middle layer are set to be larger than the heights of the battery plug boxes so as to place the battery plug boxes, the high-voltage box can be placed on the first bracket or the second bracket according to requirements to realize the upper wire outlet or the lower wire outlet of the battery cabinet, the cooling system is positioned on at least one side surface of the cabinet main body and is used for dissipating heat inside of the high-voltage box, the battery plug boxes and the cabinet main body, the cooling system comprises an air duct, a fan and a supporting and fixing device, the fan is arranged at the end part of the air inlet, the supporting and fixing device is detachably connected to the end portion of the air duct, the air duct can be fixedly connected to the top or the bottom of the cabinet main body through the supporting and fixing device, upper air inlet or lower air inlet of the battery cabinet is achieved, switching between upper outgoing lines and lower outgoing lines or switching between the upper air inlet and the lower air inlet can be conducted on the basis that the battery cabinet is not redesigned, switching is simple and fast, and the battery cabinet can be adapted to various working scenes.

The construction of the present invention and other objects and advantages thereof will be more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery cabinet with lower air inlet and upper outlet according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cooling system provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a battery cabinet with lower air inlet and lower outlet according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a battery cabinet with upper air inlet and upper outlet according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a battery cabinet with upper air inlets and lower outlet lines according to an embodiment of the present invention.

Reference numerals:

100-a cabinet body;

110-a bracket;

111-a fixed beam;

120-cabinet column;

200-a cooling system;

210-an air duct;

211-an air outlet;

212-an air inlet;

220-a fan;

230-a support fixture;

231-a support beam;

240-fan mount;

300-a high voltage box;

400-battery insertion box;

500-side plate;

510-a vent;

600-a forklift slot;

700-blind plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Energy storage battery cabinet is divided into air inlet and lower air inlet according to the air inlet mode of operation scene, is divided into to go out the line and is qualified for the next round of competitions down according to the mode of connection of operation scene, and at present, current battery cabinet is to air inlet mode and mode of connection, can not accomplish general design, in case confirm an air inlet mode and a mode of connection, and the assembly of battery cabinet body will unable change, and the commonality is poor, if redesign equipment battery cabinet will lead to cost increase and seriously reduce work efficiency.

Therefore, the invention provides a battery cabinet, wherein the height of the first bracket on the uppermost layer and the height of the second bracket on the lowermost layer in the cabinet main body are set to be larger than the height of the high-voltage box and the battery plug box, the high-voltage box can be placed on the first bracket or the second bracket according to the requirement to realize the upper wire outlet or the lower wire outlet of the battery cabinet, the supporting and fixing device is detachably connected to the end part of the air duct, and then the supporting and fixing device is detachably connected to the top part or the bottom part of the cabinet main body to realize the upper air inlet or the lower air inlet of the battery cabinet, so that the switching between the upper wire outlet and the lower wire outlet or the switching between the upper air inlet and the lower air inlet can be carried out on the basis of not redesigning the battery cabinet, the switching is simple and quick, and the battery cabinet can be suitable for various working scenes.

The invention is described below in connection with specific embodiments with reference to the following drawings.

Fig. 1 is a schematic structural diagram of a battery cabinet with lower air inlet and upper outlet according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of a cooling system according to an embodiment of the present invention, fig. 3 is a schematic structural diagram of a battery cabinet with lower air inlet and lower outlet according to an embodiment of the present invention, fig. 4 is a schematic structural diagram of a battery cabinet with upper air inlet and upper outlet according to an embodiment of the present invention, fig. 5 is a schematic structural diagram of a battery cabinet with upper air inlet and lower outlet according to an embodiment of the present invention, and fig. 1 to 5 are referenced, and an embodiment of the present invention provides a battery cabinet, including: a cabinet body 100 and a cooling system 200.

The rack main body 100 is provided with a plurality of layers of brackets 110 from top to bottom, the heights of a first bracket positioned at the uppermost layer and a second bracket positioned at the lowermost layer in the rack main body 100 are greater than the heights of the high-voltage box 300 and the battery inserting box 400, the heights of a plurality of brackets positioned at the middle layer are greater than the heights of the battery inserting box 400, the high-voltage box 300 is arranged in the first bracket or the second bracket, and the plurality of battery inserting boxes 400 are respectively arranged in other brackets except the bracket where the high-voltage box 300 is positioned.

Generally, the size of the electrical devices in the high voltage box 300 is larger than the size of the battery cells in the battery box 400, and the heat dissipation requirement of the high voltage box 300 is different from that of the battery box 400, so the height of the high voltage box 300 is slightly larger than that of the battery box 400, and therefore, the heights of the first bracket located at the uppermost layer and the second bracket located at the lowermost layer in the cabinet main body 100 are set to be larger than the heights of the high voltage box 300 and the battery box 400 so as to place the high voltage box 300 or the battery box 400, while the middle bracket is used for placing the battery box 400, the battery boxes 400 are connected to the high voltage box 300 in series one by one, and then the high voltage box 300 leads out a wiring harness to be connected with the energy storage system.

Specifically, as shown in fig. 1 and 4, the high voltage box 300 is disposed on the first bracket, and the battery box 400 is disposed on the middle bracket and the second bracket, so that the battery cabinet can be led out from the top.

Similarly, as shown in fig. 3 and 5, the high voltage box 300 is arranged on the second bracket, and the battery plug box 400 is placed on the middle bracket and the first bracket, so that the battery cabinet can be led out from the lower part.

In order to ensure the heat dissipation effect of the battery cabinet, the battery cabinet is provided with a cooling system 200, as shown in fig. 2, the cooling system 200 includes an air duct 210, a fan 220 and a supporting and fixing device 230, the air duct 210 is located on at least one side of the cabinet main body 100, one side of the air duct 210 facing the inside of the cabinet main body 100 is provided with a plurality of air outlets 211 corresponding to the multilayer bracket 110, an air inlet 212 is arranged at an end of the air duct 210, the fan 220 is detachably connected to one end of the air duct 210 having the air inlet 212 and is communicated with the air inlet 212, and the supporting and fixing device 230 is detachably connected to an end of the air duct 210 and is used for being fixedly connected to the top or the bottom of the cabinet main body 100.

It is understood that the cooling system 200 may be disposed at the rear side of the cabinet body 100 as shown in fig. 1, or may be disposed at the front side, the left side, or the right side of the cabinet body 100, and of course, the cooling system 200 may be disposed at multiple sides of the cabinet body 100 to improve the heat dissipation effect of the battery cabinet, and the technical solution of the present invention will be described below by taking the case where one cooling system 200 is disposed at the rear side of the cabinet body 100 as shown in fig. 1, 3, 4, and 5 as an example.

Specifically, the air inlet 212 is disposed at one end of the air duct 210, the supporting and fixing device 230 is detachably connected to one end of the air duct 210, and the battery cabinet can be freely switched between upper air inlet and lower air inlet at the installation position of the cabinet main body 100 through the supporting and fixing device 230.

It is easy to understand that the air inlet 212 and the supporting and fixing device 230 may be located at the same end or different ends, and when the air inlet 212 and the supporting and fixing device 230 are located at the same end, the air duct 210 is fixedly connected to the bottom of the cabinet main body 100 through the supporting and fixing device 230, as shown in fig. 1 and 3, a lower air inlet operation mode of the battery cabinet may be implemented, and similarly, the air duct 210 is fixedly connected to the top of the cabinet main body 100 through the supporting and fixing device 230, as shown in fig. 4 and 5, an upper air inlet operation mode of the battery cabinet may be implemented.

When the air inlet 212 and the supporting and fixing device 230 are located at different ends, the air duct 210 is fixedly connected to the bottom of the cabinet main body 100 through the supporting and fixing device 230, so that an air inlet working mode on the battery cabinet can be realized, and similarly, the air duct 210 is fixedly connected to the top of the cabinet main body 100 through the supporting and fixing device 230, so that an air inlet working mode under the battery cabinet can be realized.

It should be noted that the supporting fixture 230 can be any type of supporting beam, supporting plate, etc., and is not limited herein.

In a possible implementation manner, the cooling system 200 may further include a fan fixing member 240, in which case, the supporting fixing member 230 is connected to an end of the air duct 210 having the air inlet 212, the fan 220 is fixed to the fan fixing member 240, and the fan fixing member 240 is detachably connected to the supporting fixing member 230.

Specifically, fan 220 can be fixed mounting in advance on fan mounting 240, then can dismantle fan fixing device 240 and connect on supporting fixing device 230, so, can make the fan 220 installation more firm, also can make things convenient for fan 220 later maintenance to change.

In order to simplify the installation of the cooling system 200 on the cabinet body 100 and the stability of the internal structure of the cooling system 200, the supporting and fixing device 230 may include two supporting beams 231, one end of each supporting beam 231 is fixed to the end of the air duct 210, the other end of each supporting beam 231 extends toward the direction close to the cabinet body 100, and the fan fixing member 240 is installed between the two supporting beams 231 which are oppositely arranged.

In order to further enhance the installation stability and the disassembly convenience of the fan 220, as shown in fig. 2, the support beam 231 is an L-shaped support beam, which includes a first support plate and a second support plate that are vertically disposed, the first support plates of the two support beams 231 are disposed opposite to each other, and the second support plates of the two support beams 231 are horizontally disposed, at this time, the fan fixing member 240 may be a plate shape, and the fan fixing member 240 rests on the two second support plates and is fixedly connected to the support beams 231 through fasteners.

Specifically, fan mounting 240 can be the fan fixed plate, and fan 220 installs in advance on the fan fixed plate, and when fan mounting 240 installed, only need with fan mounting 240 from the tip of wind channel 210 to the extending direction propelling movement of supporting beam 231, shelve fan mounting 240 in two second backup pads and can accomplish the installation on supporting beam 231 through fastener fixed connection, when dismantling, then carry out opposite step, no longer describe herein.

Wherein, optionally, referring to fig. 2, the air outlet 211 may be provided with a transverse air outlet disposed between the gaps of the two battery insert boxes 400 or between the battery insert boxes 400 and the ground, and a longitudinal air outlet disposed facing the battery insert boxes 400.

Specifically, the air outlet 211 on the air duct 210 is divided into a transverse air outlet and a longitudinal air outlet, the transverse air outlet can provide air volume for the gap between the electronic devices to refrigerate, and the longitudinal air outlet can provide air volume for the electronic devices to refrigerate.

Since the high-voltage box 300 has a cooling system or generates heat insignificantly, optionally, no air outlet is provided on the air duct 210 at a position directly opposite to the high-voltage box 300, so as to increase the air blowing amount to the battery box 400.

Optionally, the cooling system 200 may further include an air volume adjusting device, which may be disposed at the air inlet 212, the air outlet 211, or inside the air duct 210, for adjusting the air volume, so as to control the heat dissipation effect of the battery box 400. Of course, air volume adjusting devices can be arranged at the air inlet 212, the air outlet 211 or inside the air duct, so that the air volume can be adjusted more accurately.

The air volume adjusting device is a variable structure, and is not limited at all, for example, the air volume adjusting device is an air volume adjusting valve, the air volume adjusting valve can also be electrically connected with a control system, and the opening and closing degree of the air volume adjusting valve is automatically controlled through the control system, so that the air volume is adjusted. The air volume adjusting device is an air volume adjusting plate, the air volume adjusting plate is connected with a connecting rod extending out of the outer wall of the air duct 210, and the connecting rod is moved to drive the air volume adjusting plate to extend or retract, so that the blown air volume is adjusted. The structure of the air volume adjusting shape is not described in detail herein.

The cabinet body 100 further includes a plurality of cabinet uprights 120, each layer of the bracket 110 includes at least two horizontally disposed fixing beams 111, the fixing beams 111 are fixed on the cabinet uprights 120 by fasteners, and the fixing beams 111 are used for carrying the high-voltage box 300 or the battery compartment 400.

It is easily understood that the bracket 110 includes at least two fixing beams 111 horizontally arranged, and then the fixing beams 111 are fixed on the cabinet upright 120 through fasteners, so that the assembly of the battery cabinet can be simplified, the overall weight of the battery cabinet can be reduced, and a sufficient space can be left to promote the heat dissipation of the battery cabinet.

One end of the fixing beam 111, which is far away from the front end of the high-voltage box 300 or the battery inserting box 400, is provided with a first limiting member perpendicular to the fixing beam 111, the first limiting member is used for limiting the movement of the high-voltage box 300 or the battery inserting box 400 in the left-right direction, the cabinet upright post 120 is provided with a second limiting member parallel to the fixing beam 111, and the second limiting member is used for limiting the movement of the high-voltage box 300 or the battery inserting box 400 in the up-down direction.

Also, the front ends of the high-voltage box 300 and the battery compartment 400 are fixed to the cabinet pillar 120 by fasteners to restrict the high-voltage box 300 and the battery compartment 400 from moving in the front-rear direction.

So, after high-voltage box 300 and battery subrack 400 installation were placed and are accomplished, can realize the upper and lower left and right sides fore-and-aft direction omnidirectional restriction removal to high-voltage box 300 and battery subrack 400, guarantee high-voltage box 300 and battery subrack 400's installation stability, especially in the battery cabinet transportation, can prevent rocking of high-voltage box 300 and battery subrack 400, avoid high-voltage box 300 and battery subrack 400 to collide the battery cabinet or directly break away from the battery cabinet and receive the damage.

As shown in fig. 1, optionally, the battery cabinet may further include: the side plate 500, the side plate 500 is covered on the side elevation of the cabinet main body 100, and the side plate 500 is provided with a ventilation opening 510.

It is easy to understand that, the side plate 500 can be covered on the side elevation of the cabinet main body 100, which needs to be covered, to prevent the equipment from being damaged, and the ventilation opening 510 arranged on the side plate 500 can promote the circulation of air inside the battery cabinet, thereby ensuring the heat dissipation efficiency of the battery cabinet.

Optionally, the bottom of the cabinet body 100 is provided with a forklift groove 600, and the forklift groove is left at the bottom of the cabinet body 100, so that the battery cabinet can be conveniently transported when the battery cabinet needs to be moved for transportation.

It should be added that the upper and lower ends of the cabinet body 100 can be provided with grounding points, so as to facilitate grounding of the battery pack.

After the battery cluster is installed, the blind plate 700 can be used for shielding, please refer to the prior art specifically, which is not described herein, and a door plate can be installed at the front end of the battery cabinet according to requirements, so as to ensure the beauty of the battery cabinet.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed 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. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A battery cabinet, comprising: a cabinet main body and a cooling system;

the height of a first bracket positioned on the uppermost layer and a second bracket positioned on the lowermost layer in the cabinet main body is greater than the height of the high-voltage box and the height of the battery plug-in box, the height of a plurality of brackets positioned on the middle layer is greater than the height of the battery plug-in box, the high-voltage box is arranged in the first bracket or the second bracket, and the plurality of battery plug-in boxes are respectively arranged in other brackets except the bracket where the high-voltage box is positioned;

2. The battery cabinet of claim 1, wherein the cooling system further comprises: a fan fixing member;

3. The battery cabinet of claim 2, wherein the supporting and fixing device comprises two supporting beams, one end of each supporting beam is fixed at the end of the air duct, the other end of each supporting beam extends towards the direction close to the cabinet main body, and the fan fixing member is installed between the two supporting beams which are oppositely arranged.

4. The battery cabinet according to claim 3, wherein the support beam is an L-shaped support beam and comprises a first support plate and a second support plate which are vertically arranged, the first support plate of the two support beams is oppositely arranged, the second support plate of the two support beams is horizontally arranged, and the fan fixing member is placed on the two second support plates and is fixedly connected with the support beams through fasteners.

5. The battery cabinet of claim 1, wherein the cabinet body comprises a plurality of cabinet columns, each layer of the brackets comprises at least two horizontally arranged fixing beams, the fixing beams are fixed on the cabinet columns through fasteners, and the fixing beams are used for bearing the high-voltage boxes or the battery plug boxes.

6. The battery cabinet according to claim 5, wherein a first limiting member perpendicular to the fixing beam is disposed at one end of the fixing beam away from the front end of the high-voltage box or the battery inserting box, the first limiting member is used for limiting the movement of the high-voltage box or the battery inserting box in the left-right direction, and a second limiting member parallel to the fixing beam is disposed on the cabinet column and is used for limiting the movement of the high-voltage box or the battery inserting box in the up-down direction.

7. The battery cabinet of claim 6, wherein the front ends of the high voltage box and the battery compartment are secured to the cabinet uprights by fasteners to limit movement of the high voltage box and the battery compartment in the front-to-back direction.

8. The battery cabinet of claim 1, wherein the air outlet comprises: a transverse air outlet and a longitudinal air outlet;

9. The battery cabinet of claim 1, further comprising: a side plate;

10. The battery cabinet of claim 1, wherein the cabinet body bottom is provided with a forklift slot.