CN212587654U

CN212587654U - Battery cabinet and energy storage system

Info

Publication number: CN212587654U
Application number: CN202021258225.4U
Authority: CN
Inventors: 尹韶文; 尹雪芹; 谢镇阳
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-23
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a battery cabinet, battery cabinet includes battery box, fixed subassembly and battery rack. The fixing assembly comprises a first switching fixing piece and a second switching fixing piece, and the battery box is fixed to the first switching fixing piece and the second switching fixing piece; the battery rack comprises a first supporting piece and a second supporting piece which are arranged at intervals; the first switching fixing piece is arranged on the first supporting piece, and the second switching fixing piece is arranged on the second supporting piece so that the battery box and the fixing assembly are fixed on the battery rack. This application adopts fixed subassembly, can be fixed the battery box to this fixed subassembly in advance, install it to the battery frame in again. Above-mentioned structural design not only can improve work efficiency, reduces manpower and time cost, reduces the occupation to the space, is favorable to increasing energy storage system's capacity, improves market competition to increase economic benefits.

Description

Battery cabinet and energy storage system

Technical Field

The utility model relates to an energy storage system technical field, in particular to battery cabinet and energy storage system.

Background

Aiming at the development and application of the existing energy storage system, the requirement for cost reduction of energy storage equipment using the battery cabinet is more and more obvious, and one direction of the existing cost reduction is a large battery box scheme, namely, the number of batteries in a single battery box in the battery cabinet is increased, and the cost of corresponding parts is reduced through cost sharing. However, as the electric quantity of the battery box is increased, the requirement on the fixing strength of the battery box in the battery cabinet is higher and higher, and meanwhile, the maintenance convenience of the battery box (corresponding requirements) is also met.

The current fixed mode is mainly fixed to the inside of battery cabinet through the battery box left and right sides, realizes the installation and the fixed of battery box. However, when the battery box is assembled and disassembled, the left side and the right side of the battery box are operated by hands which need to stretch into the battery box, so that the battery box is disassembled, and the battery box is complicated to assemble and disassemble and is inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to the problem that the installation and the dismantlement mode of current battery box fixed in the battery cabinet are loaded down with trivial details, not convenient for maintain, provide a battery cabinet and energy storage system.

In order to solve the technical problem, the utility model provides a battery cabinet, battery cabinet includes:

a battery box;

the fixing assembly comprises a first switching fixing piece and a second switching fixing piece, the first switching fixing piece and the second switching fixing piece are respectively positioned on two sides of the battery box along a first direction, and the battery box is fixed to the first switching fixing piece and the second switching fixing piece;

the battery box and the fixing assembly are arranged in the battery frame, an opening is formed in the end part of the battery frame along the second direction, and the battery frame comprises a first supporting piece and a second supporting piece which are arranged at intervals along the first direction;

the first switching fixing piece is arranged on the first supporting piece, the second switching fixing piece is arranged on the second supporting piece, a first fixing part is arranged on the first switching fixing piece and the second switching fixing piece close to the opening, a second fixing part corresponding to the first fixing part is arranged on the first supporting piece and the second supporting piece, and the first fixing part and the second fixing part are fixedly connected to enable the fixing component to be fixed on the battery rack;

the first direction is the length direction of the battery box, and the second direction is the width direction of the battery box, or the first direction is the width direction of the battery box, and the second direction is the length direction of the battery box.

In some embodiments, the battery rack further comprises a first reinforcing member and a second reinforcing member arranged at intervals along the first direction, wherein the first reinforcing member is connected with the first supporting member, and the second reinforcing member is connected with the second supporting member;

the battery rack further comprises a first limiting part, the first supporting part and the second supporting part form a supporting assembly, the first limiting part is located at one end, deviating from the opening, of the supporting assembly, the first limiting part is fixed between the first reinforcing part and the second reinforcing part, and the first limiting part can be abutted to the fixing assembly to limit the battery box.

In some embodiments, a second limiting member is disposed at an end of the first switching fixing member departing from the first fixing portion along the second direction, a third limiting member is disposed at an end of the second switching fixing member departing from the first fixing portion along the second direction, and the second limiting member and the third limiting member can abut against the first limiting member.

In some embodiments, a first limiting space is formed between the first limiting member and the first supporting member, the second limiting member is located in the first limiting space, and two ends of the second limiting member along a third direction are respectively capable of abutting against the first limiting member and the first supporting member;

a second limiting space is formed between the first limiting piece and the second supporting piece, the third limiting piece is positioned in the second limiting space, and two ends of the third limiting piece in a third direction can be respectively abutted against the first limiting piece and the second supporting piece;

wherein the third direction is a height direction of the battery box.

In some embodiments, in a direction from the first limiting member to the opening, cross-sectional areas of the second limiting member and the third limiting member in a second direction are gradually increased.

In some embodiments, a first handle portion is disposed at one end of the first adapting fixture adjacent to the first fixing portion, and a second handle portion is disposed at one end of the second adapting fixture adjacent to the first fixing portion.

In some embodiments, a first side wall is disposed at one end of the first switching fixing piece, which is far away from the battery box, in the first direction, and a second side wall is disposed at one end of the second switching fixing piece, which is far away from the battery box, in the first direction, and the first side wall and the second side wall are used for limiting the battery box.

In some embodiments, the first reinforcing member includes a plurality of first pillars spaced apart from each other in the second direction, the second reinforcing member includes a plurality of second pillars spaced apart from each other in the second direction, a pillar of the plurality of first pillars, which is located away from the opening, is connected to one end of the first stopper, and a pillar of the plurality of second pillars, which is located away from the opening, is connected to the other end of the first stopper;

the battery rack further comprises a top plate and a bottom plate, the first reinforcing part and the second reinforcing part form a reinforcing component, and the top plate and the bottom plate are distributed on two sides of the reinforcing component along a third direction;

wherein the third direction is a height direction of the battery box.

In some embodiments, the battery stand comprises a plurality of the first supporting members spaced apart in a third direction and a plurality of the second supporting members spaced apart in the third direction;

the battery cabinet comprises a plurality of battery boxes arranged at intervals along a third direction, and each battery box is fixed to the corresponding first supporting piece and the corresponding second supporting piece;

the battery rack comprises a plurality of first limiting pieces which are arranged at intervals along a third direction, and each first limiting piece is arranged at one end, away from the opening, of the corresponding supporting assembly;

wherein the third direction is a height direction of the battery box.

On the other hand, the application discloses an energy storage system, the energy storage system includes the above-mentioned battery cabinet.

According to the utility model discloses a beneficial effect does: the battery cabinet comprises a battery box, a fixing assembly and a battery rack. The fixing assembly comprises a first switching fixing piece and a second switching fixing piece which are respectively positioned on two sides of the battery box along a first direction, and the battery box is fixed to the first switching fixing piece and the second switching fixing piece. The battery frame is equipped with the opening along the tip of second direction, and the battery frame includes first support piece and the second support piece that sets up along first direction interval. The battery box and the fixing component are conveyed into the battery frame through the opening, and then the battery box and the battery frame are assembled through the cooperation of the first fixing part and the second fixing part. This application adopts fixed subassembly, can be fixed the battery box to this fixed subassembly in advance, install it to the battery frame in again. Above-mentioned structural design not only can improve work efficiency, reduces manpower and time cost, reduces the occupation to the space, is favorable to increasing energy storage system's capacity, improves market competition to increase economic benefits. In addition first fixed part and second fixed part all are located the opening part, therefore advance more convenient when dismantling the operation again, only need to dismantle to the first fixed part and the second fixed part that the opening part set up can. Above-mentioned structural design can also improve the installation effectiveness, can also avoid installer to operate in narrow, limited space.

Drawings

Fig. 1 is a schematic diagram of a battery cabinet according to an embodiment of the present invention.

Fig. 2 is a rear view of a battery cabinet according to an embodiment of the present invention.

Fig. 3A is a schematic diagram of a battery box according to an embodiment of the present invention.

Fig. 3B is a top view of a battery box according to an embodiment of the present invention.

Fig. 4 is a schematic view of a fixing assembly according to an embodiment of the present invention.

Fig. 5 is a schematic view illustrating a battery box fixed to a fixing member according to an embodiment of the present invention.

Fig. 6 is a left side view of a battery cabinet according to an embodiment of the present invention.

Fig. 7 is an enlarged view at a in fig. 6.

Fig. 8 is an assembly diagram of a battery cabinet according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

10. a battery cabinet;

100. a battery box; 101. a first connection portion; 102. hanging a lug;

200. a fixing assembly; 201. a first transfer fixture; 202. a second switching fixing piece; 203. a second connecting portion; 204. a second limiting member; 205. a third limiting member; 206. a first fixing part 207, a first handle part; 208. a second handle part; 209. a first side wall; 210. a second side wall;

300. a battery holder; 301. a first support member; 302. a second support member; 303. a first reinforcement; 304. a second reinforcement; 305. a first limit piece; 306. an opening; 307 a first spacing space; 308. a second spacing space; 309. a top plate; 310. a base plate; 311. a second fixed part; 312. a first upright post; 313. a second upright post;

400. and (5) assembling.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present application, for convenience of explanation, the longitudinal direction of the battery case 100 is referred to as a first direction, and the width direction of the battery case 100 is referred to as a second direction; the width direction of the battery case 100 is referred to as a first direction, and the length direction of the battery case 100 is referred to as a second direction. Specifically, in the embodiment of the present application, the width direction of the battery box 100 is referred to as a first direction, and the length direction of the battery box 100 is referred to as a second direction. The height direction of the battery case 100 is referred to as a third direction. In the drawings of the embodiments of the present application, the first direction is referred to as an X direction; the second direction is called the Y direction; the third direction is referred to as the Z direction.

Further, although the first direction and the second direction are defined as being 90 ° therebetween in the embodiment of the present application, it is understood that the first direction and the second direction may be 85 °, 70 °, and so on. Not to be unduly set forth in this application.

The application discloses a battery cabinet 10, and the battery cabinet 10 comprises a battery box 100, a battery frame 300 and a fixing assembly 200. The battery pack 100 refers to a battery module or a battery pack. The battery box 100 and the fixing assembly 200 are fixedly disposed in the battery holder 300. The end parts of the battery holder 300 along the second direction are provided with openings 306; the battery box 100 is fixed in the battery cabinet 10 through the opening 306. The battery holder 300 further includes a first supporting member 301 and a second supporting member 302, and the first supporting member 301 and the second supporting member 302 are disposed at an interval along a first direction. The battery rack 300 can fully utilize the internal space of the battery rack 300 by arranging the first supporting member 301 and the second supporting member 302 inside, so that the whole battery cabinet 10 can bear more battery boxes 100, and the energy storage of the whole battery cabinet 10 is improved. The fastening assembly 200 includes a first adaptor fastener 201 and a second adaptor fastener 202. The first adaptor fixture 201 and the second adaptor fixture 202 are respectively located at two sides of the battery box 100 along the first direction, and the battery box 100 is fixed to the first adaptor fixture 201 and the second adaptor fixture 202. The battery box 100 and the fixing assembly 200 enter the battery rack 300 through the opening 306, so that the first adaptor fixture 201 is disposed on the first support 301, the second adaptor fixture 202 is disposed on the second support 302, and the whole battery box 100 and the fixing assembly 200 are mounted in the battery rack 300 together. The first adapting and fixing member 201 and the second adapting and fixing member 202 have a first fixing portion 206 at one end near the opening 306, the first supporting member 301 and the second supporting member 302 have a second fixing portion 311 corresponding to the first fixing portion 206, and the first fixing portion 206 and the second fixing portion 311 are matched and fixedly connected to fix the fixing assembly 200 to the battery rack 300, so that the entire battery box 100 is fixed in the battery rack 300. Further, the first fixing portion 206 and the second fixing portion 311 are connected together with bolts. The battery box 100 and the fixing component 200 are firstly matched, and then the fixed battery box 100 and the fixing component 200 are installed on the first supporting piece 301 and the second supporting piece 302 in the battery frame 300 together, so that the assembly of the battery box 100 is completed. The above design can ensure easier installation and maintenance of the battery box 100. The battery box 100 is fixed outside the battery holder 300 by first combining the battery box 100 and the fixing assembly 200, and then is mounted on the first supporting member 301 and the second supporting member 302 and fixed by the first fixing portion 206 and the second fixing portion 311. The mounting points of the battery box 100 in the whole battery cabinet 10 are only embodied at the opening 306, and when the battery box 100 in the battery cabinet 10 has a problem and needs to be maintained, the whole battery box 100 and the fixing component 200 can be detached together directly through the first fixing part 206 and the second fixing part 311 at the opening 306, so that the maintenance of the whole battery box 100 is simpler and easier, and the maintenance cost of the whole battery cabinet 10 is reduced. The battery cabinet 10 disclosed in the present application does not need to dismantle the whole battery cabinet 10 to complete the maintenance and installation of the battery box 100, is convenient to use, can improve the installation efficiency, and can also avoid the installer to operate in narrow and limited space. The structural design of this application not only can improve work efficiency, reduces manpower and time cost, can also reduce the occupation to the space, is favorable to increasing energy storage system's capacity, improves market competition to increase economic benefits.

In an embodiment, the battery holder 300 may be a cube provided with an opening 306 only along an end in the second direction, and the battery holder 300 has a receiving space therein for receiving the battery box 100. The battery holder 300 is further provided with a first support 301 and a second support 302 for supporting the battery box 100. The first supporting members 301 and the second supporting members 302 are provided in plurality, and the plurality of first supporting members 301 are arranged at intervals along the third direction, and the plurality of second supporting members 302 are arranged at intervals along the third direction, so that the whole battery rack 300 can accommodate more battery boxes 100.

In the embodiment of the present application, referring to fig. 1 to 2, the battery holder 300 further includes a first reinforcing member 303 and a second reinforcing member 304, the first reinforcing member 303 and the second reinforcing member 304 extend in the third direction, and the first reinforcing member 303 and the second reinforcing member 304 are spaced apart in the first direction. The battery holder 300 further includes a top plate 309 and a bottom plate 310, and both ends of the first reinforcement member 303 and the second reinforcement member 304 in the third direction are connected to the top plate 309 and the bottom plate 310, respectively. The battery holder 300 supports the battery box 100 by providing a first support 301 and a second support 302 therein. The first reinforcement member 303 is connected to the first support member 301, and the second reinforcement member 304 is connected to the second support member 302. The main frame of the battery holder 300 is formed by the matching connection between the first and second reinforcing

members

303 and 304 and the top and

bottom plates

309 and 310, so that the weight and cost of the battery holder 300 can be further reduced on the basis of ensuring the strength of the whole battery holder 300. The battery holder 300 is provided with the first supporting member 301 and the second supporting member 302 on the first reinforcing member 303 and the second reinforcing member 304, so that the battery holder 300 can be ensured to carry the battery box 100. And the first reinforcement 303 and the second reinforcement 304 are spaced apart only in the first direction, and thus the first opening 306 and the second opening 306 are formed in the second direction, ensuring the installation of the battery case 100.

When the battery box 100 enters the battery holder 300 through the first opening 306 after being fixed to the fixing member 200, and is slowly pushed into the battery holder 300 together with the second supporting member 302 through the first supporting member, due to the existence of the fixing member 200 (i.e., the first connecting fixture and the second connecting fixture), the first connecting fixture 200 can be easily placed on the first supporting member 301, the second connecting fixture 200 can be placed on the second supporting member 302, and then the battery box 100 can be moved on the first supporting member 301 and the second supporting member 302 by pushing the fixing member 200. When moved to the proper position, the battery box 100 and the fixing member 200 are fixed to the first support 301 and the second support 302 by the fitting relationship of the first fixing portion 206 and the second fixing portion 311. The design and installation mode is simple and convenient, the working efficiency can be improved, the manpower and time cost is reduced, the occupation of the space can be reduced, the capacity of an energy storage system is increased, the market competitiveness is improved, and therefore the economic benefit is increased.

In one embodiment, as shown in fig. 1-2, in order to better complete the installation of the battery box 100, the battery holder 300 further includes a first stopper 305. The first support 301 and the second support 302 constitute a support assembly. The first retaining member 305 is located at an end of the supporting component facing away from the opening 306, and the first retaining member 305 is fixed between the first reinforcing member 303 and the second reinforcing member 304. The first stopper 305 can abut against the fixing member 200 to limit the battery box 100. This application can be spacing to battery box 100 through above-mentioned design, restricts the position of battery box 100 in battery frame 300 through setting up first locating part 305, guarantees that battery box 100 can fix a position to relevant position fast, improves battery box 100's installation effectiveness.

Further, as shown in fig. 4 to 6, a second limiting member 204 is disposed along an end of the first adapting fixture 201 away from the first fixing portion 206, a third limiting member 205 is disposed along an end of the second adapting fixture 202 away from the first fixing portion 206 in the second direction, and the second limiting member 204 and the third limiting member 205 can abut against the first limiting member 305. After the battery box 100 fixes the fixing component 200, the second limiting member 204 and the third limiting member 205 are disposed on the fixing component 200, so that the structure of the fixing component 200 can be more fully utilized, and the battery box 100 can be rapidly positioned through the abutting relationship between the first limiting member 305 and the second limiting member 204 and the third limiting member 205. Through the above structural design, when the battery box 100 is pushed into the battery rack 300, whether the installation position of the battery box 100 is suitable can be judged by judging whether the phenomenon that the battery box 100 cannot move any further occurs. That is, when the battery box 100 is pushed into the battery holder 300, if the battery box 100 cannot be moved, the battery box 100 may be fixed at a proper position after the installation position of the battery box 100 is correct. Compared with the general battery cabinet 10, the one-step operation of locking from the rear side is omitted by arranging the first limiting member 305, the second limiting member 204 and the third limiting member 205, and the connection fixing member is locked at the front position only after the battery is pushed in place, so that the purpose of fixing and locking the battery can be achieved, the installation time can be reduced, and the working efficiency can be improved. In addition, the first stopper 305 can further improve the strength and rigidity of the entire battery holder 300, thereby avoiding the safety problem of the battery holder 300 caused by the excessive number of the battery boxes 100.

Further, as shown in fig. 2. A first limiting space 307 is formed between the first limiting member 305 and the first supporting member 301, the second limiting member 204 is located in the first limiting space 307, and two ends of the second limiting member 204 along the third direction can be abutted to the first limiting member 305 and the first supporting member 301 respectively. A second limiting space 308 is formed between the first limiting member 305 and the second supporting member 302, the third limiting member 205 is located in the second limiting space 308, and two ends of the third limiting member 205 along the third direction can be abutted against the first limiting member 305 and the second supporting member 302, respectively. When the battery box 100 with the fixing assembly 200 is disposed on the first supporting member 301 and the second supporting member 302, the first adaptor fixing member 201 and the second adaptor fixing member 202 are pushed to make the second limiting member 204 and the third limiting member 205 enter the limiting space, so as to limit the position of the battery box 100 on the battery rack 300. This application can carry out spacingly to battery box 100 better through setting up spacing space to also play the effect of fastening to battery box 100. Specifically, the second limiting member 204 and the third limiting member 205 are inserted into the limiting space, because two ends of the second limiting member 204 in the third direction are respectively abutted to the first limiting member 305 and the first supporting member 301, and two ends of the third limiting member 205 in the third direction are respectively abutted to the first limiting member 305 and the second supporting member 302, the first limiting member 305 exerts an acting force on the second limiting member 204 and the third limiting member 205, and then the first limiting member 305 is coupled to the second fixing portion 206 to be connected to the second fixing portion 311, thereby fastening the battery box 100. Above-mentioned structural design can play the purpose of fixed locking battery, also can reduce man-hour of installation, improves work efficiency.

Further, in order to improve the fastening of the battery box 100, as shown in fig. 6 to 7, the cross-sectional areas of the second limiting member 204 and the third limiting member 205 in the second direction are each gradually increased in the direction from the first limiting member 305 to the opening 306. The first limiting member 305 and the second limiting member 204 are matched and abutted against each other, and the first limiting member 305 and the third limiting member 205 are matched and abutted against each other. Specifically, in a direction from the first limiting member 305 to the opening 306, one end of the first limiting member 305, which is close to the first supporting member 301 and the second supporting member 302 in the third direction, gradually gets away from the first supporting member 301 and the second supporting member 302, so that one end of the first limiting member 305, which is close to the first supporting member 301 and the second supporting member 302 in the third direction, and the direction of the first supporting member 301 and the second supporting member 302 form a certain angle. Similarly, in the direction from the second opening 306 to the first opening 306, the cross-sectional areas of the second limiting member 204 and the third limiting member 205 are gradually increased, and the end of the second limiting member 204 away from the first supporting member 301 is also at the same angle, and the end of the third limiting member 205 away from the second supporting member 302 is also at the same angle. The present application can further improve the fastening effect of the first stopper 305 to the battery box 100 through the above structural design. When the tool 400 is used to push the battery box 100 into the battery holder 300, and the second limiting member 204 on the fixing assembly 200, the tab and the third limiting member 205, contact the first limiting member 305 fixed on the battery holder 300, because one end of each of the first limiting member 305, the second limiting member 204 and the third limiting member 205 forms a certain angle, when the first limiting member 305, the second limiting member 204 and the third limiting member 205 completely contact each other and the battery box 100 cannot be pushed into the battery holder 300, the positioning and locking of the rear of the battery box 100 are completed, and at this time, the first fixing portion 206 and the second fixing portion 311 are matched, the fixing assembly 200 and the first supporting member 301 and the second supporting member 302 in the battery holder 300 are connected and fixed by using the fixing bolt, and finally, the purpose of fixing the battery box 100 into the battery holder 300 by using the fixing assembly 200 is achieved.

In this application, the first adaptor fixture 201 is provided with a plurality of second connecting portions 203 along the second direction far from the first support 301, and the second adaptor fixture 202 is provided with a plurality of second connecting portions 203 along the second direction far from the second support 302. The above-mentioned reference to being away from the first support 301 and the second support 302 refers to the direction when the battery box 100 is disposed on the first support 301 and the second support 302 after the fixing assembly 200 is installed and fixed. In the present application, the battery case 100 is provided with first connection parts 101 on both sides in the first direction. In one embodiment, as shown in fig. 3A-3B, the first connecting portion 101 is a fixing circular hole. As shown in fig. 4, the second connection portions 203 of the first adapter holder 201 and the second adapter holder 202 are fixing protrusions. As shown in fig. 5, the battery case 100 and the fixing assembly 200 are fixed together by the cooperation between the first connection portion 101 and the second connection portion 203. In another embodiment, the first connecting portion 101 may also be a fixing protrusion, and the second connecting portion 203 is a fixing circular hole. The battery case 100 and the fixing assembly 200 are fixed together by the engagement of the first connection portion 101 with the second connection portion 203. The structures of the first connecting portion 101 and the second connecting portion 203 are not limited to the above two structures, and the structures that enable the first connecting portion 101 and the second connecting portion 203 to be mutually matched and fix the fixing assembly 200 and the battery box 100 together through the matching relationship belong to the protection scope of the present application, and the other embodiments are not set forth herein.

Further, in order to better mount the battery box 100, the present application provides a first handle portion 207 on the first adaptor fixture 201; a second handle portion 208 is provided on the second adapter holder 202. Further, as shown in fig. 4, a first handle portion 207 is disposed on one end of the first adapter 201 adjacent to the first fixing portion 206, and a second handle portion 208 is disposed on one end of the second adapter 202 adjacent to the first fixing portion 206. The first handle portion 207 and the second handle portion 208 are mainly used for mounting the battery box 100, that is, a user can push the battery box 100 into the battery holder 300 through the first handle portion 207 and the second handle portion 208.

Further, in order to better limit the battery box 100, a first side wall 209 is disposed at one end of the first adapter fastener 201 away from the battery box 100 along the first direction, and a second side wall 210 is disposed at one end of the second adapter fastener 202 away from the battery box 100 along the first direction. In one embodiment, as shown in fig. 4, a first sidewall 209 is disposed at an end of the first adaptor fixture 201 away from the battery box 100 along the first direction, and a second sidewall 210 is disposed at an end of the second adaptor fixture 202 away from the battery box 100 along the first direction. The above-mentioned direction away from the battery box 100 refers to the corresponding direction and position of the first adaptor fixture 201 and the second adaptor fixture 202 when the fixing assembly 200 is mounted on the battery box 100. The first sidewall 209 and the second sidewall 210 are used to limit the fixing of the battery box 100 to the fixing assembly 200.

In the present application, as shown in fig. 1-2, the first reinforcing member 303 includes a plurality of first upright posts 312 disposed at intervals along the second direction, the second reinforcing member 304 includes a plurality of second upright posts 313 disposed at intervals along the second direction, an upright post of the plurality of first upright posts 312 disposed far away from the opening 306 is connected to one end of the first limiting member 305, and an upright post of the plurality of second upright posts 313 disposed far away from the opening 306 is connected to the other end of the first limiting member 305. The battery holder 300 further includes a top plate 309 and a bottom plate 310, the first reinforcement member 303 and the second reinforcement member 304 constitute a reinforcement member, and the top plate 309 and the bottom plate 310 are distributed on both sides of the reinforcement member in the third direction. As shown in fig. 1-2, the battery holder 300 includes a plurality of first supporting members 301 spaced apart from each other in the third direction and a plurality of second supporting members 302 spaced apart from each other in the third direction. The plurality of first reinforcing members 303, the plurality of second reinforcing members 304, the top plate 309 and the bottom plate 310 are enclosed together to form the battery rack 300, the plurality of first supporting members 301 and the plurality of second supporting members 302 are arranged in the battery rack 300, each first supporting member 301 is connected with the plurality of first reinforcing members 303, and each second supporting member 302 is connected with the plurality of second reinforcing members 304. Thereby forming a space for accommodating the battery cases 100. This application can make full use of the inner space of the battery rack 300 by providing the plurality of first supporting members 301 and the second supporting members 302, thereby improving the energy density of the entire battery cabinet 10. This application can improve the intensity of whole battery frame 300 better through setting up a plurality of first reinforcements 303 and second reinforcements 304, improves the stability of whole battery frame 300.

Further, the battery cabinet 10 includes a plurality of battery boxes 100 arranged at intervals in the third direction, each battery box 100 is fixed to the corresponding first supporting member 301 and second supporting member 302, both sides of each battery box 100 in the first direction are respectively provided with the first adaptor fixing member 201 and the second adaptor fixing member 202, and each battery box 100 is fixed to two adjacent first supporting members 301 and second supporting members 302 in the first direction, so that each battery box 100 is fixed to the battery rack 300.

Further, the battery holder 300 includes a plurality of first limiting members 305 disposed at intervals along the third direction, and each first limiting member 305 is disposed at an end of the corresponding supporting component facing away from the opening 306. Each first limiting member 305 is located in a corresponding region between two adjacent first supporting members 301 along the third direction. Each first limiting member 305 limits each battery box 100.

In the present application, as shown in fig. 8, each battery box 100 is now externally mounted with a fixing assembly 200 (i.e., a first adaptor fixture 201 and a second adaptor fixture 202), and the battery box 100 with the fixing assembly 200 mounted thereon is mounted into a battery rack 300. Each of the battery cases 100 is further provided with a plurality of hanging lugs 102 on both sides in the first direction, and the hanging lugs 102 are used for assembling the battery cases 100. The battery box 100 is placed on the first support 301 and the second support 302 through the first opening 306 of the battery holder 300, the battery box 100 is pushed to move on the first support 301 and the second support 302, and when the battery box is pushed to a proper position, the battery box 100 is fixed on the first support 301 and the second support 302 through the cooperation of the first fixing portion 206 and the second fixing portion 311, so that the assembly of the battery box 100 is completed. The remaining battery box 100 installation process is similar to that described above and will not be described in greater detail. Specifically, the battery box 100 is lifted up by the hanger 102 using the tool 400, then the first adaptor fixture 201 and the second adaptor fixture 202 are respectively mounted on the battery box 100, after the fixing assembly 200 is mounted, the battery box 100 is mounted in the battery rack 300 by using the tool 400, after the battery box 100 is mounted in place, the tool 400 is withdrawn, and the fixing assembly 200 and the battery rack 300 are connected and fixed by using the fixing bolt. Further, after the battery box 100 is mounted in place, the tool 400 is withdrawn, and the first fixing portion 206 and the second fixing portion 311 are connected by fixing bolts. This application adopts fixed subassembly 200 (be first switching mounting 201 and second switching mounting 202), can fix the battery to this fixed subassembly 200 in advance, and such structural design not only can improve the installation effectiveness, can also avoid installer to operate in narrow, limited space. And such structural design not only can improve work efficiency, reduces manpower and time cost, can also reduce the occupation to the space, is favorable to increasing energy storage system's capacity, improves market competition to increase economic benefits.

In another aspect, the present application discloses an energy storage system, which includes at least one battery cabinet 10 as described above.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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 at least one such 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 stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A battery cabinet, comprising:

a battery box;

2. The battery cabinet of claim 1, wherein the battery rack further comprises a first stiffener and a second stiffener spaced apart along a first direction, the first stiffener being connected to the first support member and the second stiffener being connected to the second support member;

3. The battery cabinet of claim 2,

the first switching fixing piece is provided with a second limiting piece at one end deviating from the first fixing part in the second direction, the second switching fixing piece is provided with a third limiting piece at one end deviating from the first fixing part in the second direction, and the second limiting piece and the third limiting piece can be abutted to the first limiting piece.

4. The battery cabinet according to claim 3, wherein a first limiting space is provided between the first limiting member and the first supporting member, the second limiting member is located in the first limiting space, and two ends of the second limiting member along a third direction are respectively capable of abutting against the first limiting member and the first supporting member;

wherein the third direction is a height direction of the battery box.

5. The battery cabinet according to claim 4, wherein the cross-sectional area of the second retaining member and the third retaining member in the second direction gradually increases in the direction from the first retaining member to the opening.

6. The battery cabinet as recited in claim 1, wherein a first handle portion is provided at an end of the first adapter fixture adjacent to the first fixing portion, and a second handle portion is provided at an end of the second adapter fixture adjacent to the first fixing portion.

7. The battery cabinet of claim 1, wherein the first adapter fastener has a first side wall at an end away from the battery box along the first direction, the second adapter fastener has a second side wall at an end away from the battery box along the first direction, and the first side wall and the second side wall are used for limiting the battery box.

8. The battery cabinet according to claim 2, wherein the first reinforcing member includes a plurality of first upright posts spaced apart from each other along the second direction, the second reinforcing member includes a plurality of second upright posts spaced apart from each other along the second direction, an upright post of the plurality of first upright posts, which is disposed away from the opening, is connected to one end of the first limiting member, and an upright post of the plurality of second upright posts, which is disposed away from the opening, is connected to the other end of the first limiting member;

wherein the third direction is a height direction of the battery box.

9. The battery cabinet of claim 2, wherein the battery rack comprises a plurality of the first supports spaced apart in a third direction and a plurality of the second supports spaced apart in the third direction;

wherein the third direction is a height direction of the battery box.

10. An energy storage system, characterized in that the energy storage system comprises a battery cabinet according to any one of claims 1-9.