CN218828513U - Energy storage cabinet and energy storage system - Google Patents

Abstract

The utility model discloses an energy storage cabinet and energy storage system, the energy storage cabinet includes: the cabinet body, cabinet door, at least one battery device, heat transfer device, battery controlling means. One side of the cabinet body is opened, and the cabinet door is established in one side of the cabinet body in order to open and close the cabinet body, and the chamber that holds is injectd to cabinet door and the cabinet body, and battery device and heat transfer device and battery control device all establish and hold the intracavity, and battery control device is connected with the battery device electricity, and battery control device is located one side of the cabinet body. From this, the energy storage cabinet has better integrated nature to be convenient for the energy storage cabinet carries out work as solitary device, have the security of function assurance energy storage cabinet work such as heat dissipation simultaneously concurrently, and can effectively improve the space utilization of energy storage cabinet through the above-mentioned device of reasonable overall arrangement, increase the electric capacity of energy storage cabinet, perhaps reduce the volume of energy storage cabinet on the basis of satisfying predetermined electric capacity, be favorable to realizing the miniaturized design of energy storage cabinet.

Description

Energy storage cabinet and energy storage system

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to an energy storage cabinet and energy storage system are related to.

Background

In the prior art, the layout of each component in the energy storage cabinet is not reasonable enough, and the volume utilization rate (VCTS) of the energy storage cabinet is low, so that the energy density of the energy storage cabinet is low. Or, in order to meet the energy density requirement of the energy storage cabinet, the volume of the energy storage cabinet is usually set to be too large, so that a large space is occupied.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an energy storage cabinet can improve energy storage cabinet's space utilization through reasonable overall arrangement.

Another object of the utility model is to provide an energy storage system, including the energy storage cabinet in the above-mentioned embodiment.

According to the utility model discloses energy storage cabinet of first aspect embodiment, include: the cabinet body, cabinet door, at least one battery device, heat transfer device, battery control device, one side of the cabinet body is opened, the cabinet door is established the cabinet body one side is in order to open and close the cabinet body, the cabinet door with the cabinet body is injectd and is held the chamber, battery device establishes hold the intracavity, heat transfer device is used for adjusting battery device's temperature, battery control device establishes hold the intracavity, battery control device with heat transfer device is located same one side of battery device, battery control device with the battery device electricity is connected, battery control device is located the cabinet body one side.

According to the utility model discloses an energy storage cabinet, battery device, heat transfer device and battery control device all locate the intracavity that holds that the cabinet body is injectd, so that energy storage cabinet has better integrated nature, have the security that functions such as heat dissipation guarantee energy storage cabinet work simultaneously concurrently, and can effectively improve energy storage cabinet's space utilization through the above-mentioned device of reasonable overall arrangement, increase energy storage cabinet's electric capacity, perhaps reduce energy storage cabinet's volume on the basis that satisfies predetermined electric capacity, be favorable to realizing energy storage cabinet's miniaturized design.

In some embodiments, the battery device includes a plurality of battery packs stacked in a height direction of the cabinet.

In some embodiments, each of the battery packs includes: a plurality of electric cores, restraint frame, it is a plurality of electric core equipartition is arranged in the restraint frame adjacent two on the direction of height of the cabinet body the restraint frame of group battery is stopped each other.

In some embodiments, the containment frame comprises: the battery cell comprises a first bottom plate and a second bottom plate, wherein the first bottom plate and the second bottom plate are arranged at intervals along one direction of the width direction and the depth direction of the cabinet body, two ends of the battery cell in the length direction are respectively supported on the first bottom plate and the second bottom plate, and an air duct gap is formed between the first bottom plate and the second bottom plate.

In some embodiments, the containment frame further comprises: the battery cabinet comprises a first side plate and a second side plate, wherein the first side plate and the second side plate are respectively located on two sides of the battery cell, the first side plate and the second side plate are oppositely arranged in the other direction of the width direction and the depth direction of the cabinet body, two ends of a first bottom plate are respectively connected with one end of the first side plate and one end of the second side plate, and two ends of a second bottom plate are respectively connected with the other end of the first side plate and the other end of the second side plate. Wherein, for two adjacent battery packs in the height direction of the cabinet body, the first bottom plate of one battery pack abuts against the first side plate and the second side plate of the other battery pack respectively, and the second bottom plate of the one battery pack abuts against the first side plate and the second side plate of the other battery pack respectively.

In some embodiments, the first bottom plate and the second bottom plate are provided with one of a limiting column and a first limiting hole, and the first side plate and the second side plate are provided with the other of the limiting column and the first limiting hole. Wherein, for two adjacent battery packs in the height direction of the cabinet body, the limiting column of one battery pack is matched with the first limiting hole of the other battery pack.

In some embodiments, the one of the retaining posts and the first retaining holes is distributed at both ends of the first base plate and both ends of the second base plate; the other of the limiting column and the first limiting hole is distributed at two ends of the first side plate and two ends of the second side plate.

In some embodiments, for two of the battery packs adjacent in the height direction of the cabinet, the first side plate of the other one of the battery packs is fastened to the first bottom plate and the second bottom plate of the one of the battery packs by a first fastener, and the second side plate of the other one of the battery packs is fastened to the first bottom plate and the second bottom plate of the one of the battery packs by a second fastener.

In some embodiments, the first fastener is a plurality of fasteners distributed at two ends of the first side plate; the second fasteners are distributed at two ends of the second side plate.

In some embodiments, the battery device is a plurality of battery devices including a first battery device and a second battery device. The cabinet further includes: the cabinet comprises at least one supporting frame, the supporting frame is connected in the cabinet body, the supporting frame and the top wall and the bottom wall of the cabinet body are spaced from each other, the first battery device is arranged on the bottom wall of the cabinet body and located below the supporting frame, and the second battery device is supported on the supporting frame.

In some embodiments, the cabinet body further comprises a rear wall and two side walls, the two side walls are arranged at intervals along the width direction of the cabinet body, the rear wall is connected between the rear ends of the two side walls, the top wall is connected between the tops of the two side walls and the top of the rear wall, the bottom wall is connected between the bottoms of the two side walls and the bottom of the rear wall, and the cabinet door is connected at the front end of one of the two side walls; the supporting frame comprises a first frame section, a second frame section, a third frame section and a fourth frame section which are sequentially connected along the circumferential direction of the cabinet body, the two ends of the first frame section are respectively connected with the front portions of the side walls, the second frame section and the fourth frame section are respectively connected with the two side walls, the side walls face each other on the surface, and the third frame section is connected with the front surface of the rear wall.

In some embodiments, at least one first limiting device is disposed on a side of the accommodating cavity away from the cabinet door, and the battery device cooperates with the first limiting device to limit the movement of the battery device towards a direction away from the cabinet door and/or the movement of the battery device relative to the cabinet body in the width direction of the cabinet body.

In some embodiments, the battery device further comprises a base, the base is arranged at the bottom of the plurality of battery packs, and at least one second limiting hole is formed in one side of the base, which is far away from the cabinet door; the first limiting device comprises: the limiting piece is arranged on the third frame section and/or the bottom wall of the cabinet body, and the limiting piece is matched in the second limiting hole to limit the movement of the battery device relative to the cabinet body in the width direction of the cabinet body; the limiting plate is arranged on one side, far away from the battery device, of the limiting part, and the rear surface of the battery device abuts against the limiting plate to limit the battery device to move towards the direction far away from the cabinet door.

In some embodiments, the second frame segment and the fourth frame segment are each provided with a guide block thereon; the battery device is in both sides on the width direction of the cabinet body are formed with the direction breach respectively, the direction breach is located hold one side of keeping away from of intracavity the cabinet door, the direction breach with the guide block cooperation is so that the battery device with first stop device cooperation.

In some embodiments, a side surface of the guide block adjacent to the battery device is provided with a guide surface, and the guide surface extends obliquely towards the direction of the battery device from the cabinet door to the side, far away from the cabinet door, in the accommodating cavity; the direction that the one side of keeping away from the cabinet door in the intracavity is arrived to the cabinet door, the direction breach orientation is kept away from the corresponding lateral wall of the cabinet body slope extends.

In some embodiments, a side of the base adjacent to the cabinet door is formed with at least one fixing hole, and the energy storage cabinet further includes: at least one third fastener, the third fastener passes through the fixed hole and is connected with the cabinet body and/or the support frame screw thread.

In some embodiments, the heat exchange device is disposed on the cabinet door, the heat exchange device includes an external circulation air inlet, an external circulation air outlet, an internal circulation air inlet and an internal circulation air outlet, the external circulation air inlet and the external circulation air outlet are both adapted to communicate with the external atmosphere, and the internal circulation air inlet and the internal circulation air outlet are both communicated with the inside of the accommodating chamber; the top in the accommodating cavity is provided with a wind guide air duct, the front end of the wind guide air duct is communicated with the internal circulation air outlet, and airflow blown out from the internal circulation air outlet flows to one side of the battery device far away from the cabinet door through the wind guide air duct, flows through gaps of the battery packs towards the direction of the cabinet door, and enters the heat exchange device through the internal circulation air inlet.

In some embodiments, an air duct is disposed at the top of the accommodating cavity, and the air duct and the battery device are spaced apart from each other to define the air guide duct.

In some embodiments, the air channel is drawably disposed within the receiving cavity.

In some embodiments, a fire protection device is provided on the air duct member.

In some embodiments, two sliding grooves are formed in the accommodating cavity, the two sliding grooves are arranged at intervals along the width direction of the cabinet body, and at least one limiting opening is formed on the inner wall of each sliding groove; the bottom of the battery device is provided with a plurality of rollers which can roll along the two sliding grooves respectively and are matched in the limiting openings.

In some embodiments, the energy storage cabinet further comprises: the first connecting piece is connected between one side of the battery device along the width direction of the cabinet body and the corresponding side wall of the cabinet body; the second connecting piece is connected between the other side of the battery device along the width direction of the cabinet body and the corresponding side wall of the cabinet body.

In some embodiments, the first connecting members are a plurality of first connecting members, the plurality of first connecting members are arranged at intervals in the vertical direction, the plurality of second connecting members are a plurality of second connecting members, and the plurality of second connecting members are arranged at intervals in the vertical direction.

In some embodiments, an opening is formed on the cabinet door, a door body is arranged at the opening to open and close the opening, and the battery control device is opposite to the opening.

In some embodiments, the battery control device is located below the heat exchange device.

In some embodiments, a plurality of hanging rings are arranged on the outer surface of the cabinet body.

In some embodiments, a plurality of said lifting rings are provided at the top of said cabinet.

According to the utility model discloses energy storage system of second aspect embodiment, including the energy storage cabinet of any one of above-mentioned embodiment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a closed state of an energy storage cabinet according to the present invention.

Fig. 2 is a schematic diagram of an energy storage cabinet open state according to an embodiment of the present invention.

Fig. 3 is a schematic view of a three-dimensional split of an energy storage cabinet according to the utility model discloses an embodiment.

Fig. 4 is an enlarged view of the region P in fig. 3.

Fig. 5 is an enlarged view of the region Q in fig. 3.

Fig. 6 is an enlarged view of the region R in fig. 3.

Fig. 7 is an enlarged view of the region S in fig. 3.

Fig. 8 is a schematic view of a restraint frame according to an embodiment of the invention.

Fig. 9 is a schematic diagram of a three-dimensional split of an energy storage cabinet part according to an embodiment of the present invention.

Fig. 10 is an enlarged view of the region M in fig. 9.

Fig. 11 is a schematic diagram of a battery device according to an embodiment of the present invention.

Fig. 12 is an enlarged view of the region N in fig. 11.

Fig. 13 is a schematic diagram of an energy storage cabinet open state according to another embodiment of the present invention.

Fig. 14 is a schematic diagram of a battery device of an energy storage cabinet according to another embodiment of the present invention.

Reference numerals:

an energy storage cabinet 100;

a cabinet body 10; a top wall 10a; a bottom wall 10b; a side wall 10c; a rear wall 10d; a housing chamber 11; a support frame 12; a first frame segment 121; a second frame section 122; a third frame segment 123; a guide block 124; a guide surface 1241; a chute 125; a limiting opening 126; an air guide duct 13; an air duct member 14; a fire fighting device 15; a hoisting ring 16;

a cabinet door 20; an opening 21; a door body 22;

a battery device 30; a first battery device 30a; a second battery device 30b; a battery pack 31; a battery cell 311; a second stopper hole 32; a guide notch 33; a roller 34; a fixing hole 35; a restraint frame 36; a first bottom plate 361; a second base plate 362; an air duct gap 363; a first side plate 364; a second side plate 365; a restraint post 366; a first limit hole 367; a first fastener 368; a second fastener 369; a base 37;

a heat exchange device 40; an external circulation air inlet 41; an external circulation air outlet 42; an internal circulation air inlet 43; an internal circulation air outlet 44;

a battery control device 50;

a first stop device 60; a stopper 61; a stopper plate 62;

a first connecting member 71; a second connector 72.

Detailed Description

Embodiments of the present invention are described in detail below, the embodiments described with reference to the drawings are exemplary, and energy storage cabinet 100 according to embodiments of the present invention is described below with reference to fig. 1 to 14, where energy storage cabinet 100 includes: the cabinet comprises a cabinet body 10, a cabinet door 20, at least one battery device 30, a heat exchange device 40 and a battery control device 50.

Specifically, as shown in fig. 1 and 2, one side of the cabinet 10 is open, the cabinet door 20 is disposed at one side of the cabinet 10 to open and close the cabinet 10, the cabinet door 20 and the cabinet 10 define a receiving cavity 11, the battery device 30, the heat exchanging device 40 and the battery control device 50 are disposed in the receiving cavity 11, the heat exchanging device 40 is used for adjusting the temperature of the battery device 30, wherein the battery control device 50 and the heat exchanging device 40 are located at one side of the battery device 30 adjacent to the open side of the cabinet 10, the battery control device 50 is electrically connected to the battery device 30, and the battery control device 50 is located at one side of the cabinet 10. For example, the heat exchanging device 40 may be disposed at a side of the cabinet door 20 adjacent to the battery device 30, and the battery control device 50 is disposed at a side of the battery device 30 adjacent to the open side of the cabinet 10 and at the bottom of the accommodating cavity 11.

Be equipped with a plurality of sensors in energy storage cabinet 100, can be used for detecting the ambient temperature in energy storage cabinet 100 or the temperature of battery device 30, the sensor is connected with battery control device 50 electricity, when the temperature rise of energy storage cabinet 100 inside exceeded preset temperature, the sensor transmits signal to battery control device 50, battery control device 50 transmits control signal to heat transfer device 40 through the analysis, so that heat transfer device 40 refrigerates or heats to preset temperature, sensor detection temperature is with signal transmission to battery control device 50 this moment, battery control device 50 keeps energy storage cabinet 100 current operating condition through judging.

According to the utility model discloses an energy storage cabinet 100, battery device 30, heat transfer device 40 and battery control device 50 all locate the cabinet body 10 and inject hold in 11, so that energy storage cabinet 100 has better integrated nature, thereby be convenient for energy storage cabinet 100 carries out work as solitary device, the security of function assurance energy storage cabinet 100 work such as heat dissipation has concurrently simultaneously, and can effectively improve energy storage cabinet 100's space utilization through the above-mentioned device of reasonable overall arrangement, increase energy storage cabinet 100's electric capacity, perhaps reduce energy storage cabinet 100's volume on the basis that satisfies predetermined electric capacity, be favorable to realizing energy storage cabinet 100's miniaturized design.

In some embodiments, as shown in fig. 2, the battery device 30 includes a plurality of battery packs 31, and the plurality of battery packs 31 are stacked in the height direction of the cabinet 10. Therefore, the battery packs 31 are stacked along the height direction of the cabinet body 10, so that the installation amount of the battery packs 31 in the energy storage cabinet 100 can be increased, the utilization rate of the space in the energy storage cabinet 100 is increased, and the installed capacity of the energy storage cabinet 100 is improved. In some embodiments, as shown in fig. 8, each battery pack 31 includes: a plurality of battery cells 311, restraint frame 36, a plurality of battery cells 311 in the same battery pack 31 are arranged along the depth direction of the cabinet 10 and a plurality of battery cells 311 are evenly arranged in the restraint frame 36, and the restraint frames 36 of two adjacent battery packs 31 in the height direction of the cabinet 10 are mutually stopped. A gap is formed between the two adjacent restrained frames 36 after the abutment for the gas to flow through. Therefore, the plurality of battery cells 311 are arranged in the restraint frame 36, and the restraint frame 36 can support and limit the plurality of battery cells 311, so that the battery cells 311 can be conveniently mounted, and the mounting stability of the battery cells 311 and the mounting reliability between the plurality of battery packs 31 can be improved.

Further, referring to fig. 8, the restraint frame 36 includes: the battery cell 311 is disposed between the first bottom plate 361 and the second bottom plate 362, the first bottom plate 361 and the second bottom plate 362 are disposed at an interval along one of a width direction and a depth direction of the cabinet 10, two ends of the battery cell 311 in a length direction are respectively supported by the first bottom plate 361 and the second bottom plate 362, and an air duct gap 363 is formed between the first bottom plate 361 and the second bottom plate 362. Here, the first bottom plate 361 and the second bottom plate 362 are illustrated as being disposed at intervals in the width direction of the cabinet 10. When the first bottom plate 361 and the second bottom plate 362 are disposed at intervals along the width direction of the cabinet 10 and extend along the depth direction of the cabinet 10, when the plurality of battery cells 311 are mounted on the bottom plate, an air duct gap 363 is formed between one side of the plurality of battery cells 311 adjacent to the bottom plate and the first bottom plate 361 and the second bottom plate 362, and the airflow blown out by the heat exchanging device 40 contacts with the battery cells 311 in the air duct gap 363 to dissipate heat of the battery cells 311. Therefore, an air duct gap 363 is formed between the first bottom plate 361 and the second bottom plate 362, so that heat dissipation of the battery cell 311 can be facilitated, and the heat dissipation efficiency of the battery cell 311 is improved.

In some embodiments, as shown in fig. 8, containment frame 36 further comprises: the first side plate 364 and the second side plate 365 are respectively located on two sides of the plurality of battery cells 311 along the depth direction of the cabinet 10, the first side plate 364 and the second side plate 365 are oppositely arranged in the other direction of the width direction and the depth direction of the cabinet 10, two ends of the first bottom plate 361 are respectively connected with one end of the first side plate 364 and one end of the second side plate 365, and two ends of the second bottom plate 362 are respectively connected with the other end of the first side plate 364 and the other end of the second side plate 365. That is, the first side plate 364 and the second side plate 365 are arranged at intervals along the depth direction of the cabinet 10, the first side plate 364 is connected to one ends of the first bottom plate 361 and the second bottom plate 362, the second side plate 365 is connected to the other ends of the first bottom plate 361 and the second bottom plate 362, and the connected first side plate 364 and second side plate 365 are located on one side of the first bottom plate 361 and the second bottom plate 362 adjacent to the battery cell 311. When the plurality of restraint frames 36 are stacked in the height direction of the cabinet 10, the first bottom plate 361 and the second bottom plate 362 of one restraint frame 36 are located between the first side plate 364 and the second side plate 365 of the above-mentioned one restraint frame 36 and the first side plate 364 and the second side plate 365 of another restraint frame 36, so as to form an air duct gap 363 between two adjacent restraint frames 36.

For two adjacent battery packs 31 in the height direction of the cabinet 10, the first bottom 361 of one battery pack 31 abuts against the first side plate 364 and the second side plate 365 of the other battery pack 31, and the second bottom 362 of one battery pack 31 abuts against the first side plate 364 and the second side plate 365 of the other battery pack 31.

Therefore, by arranging the first side plate 364 and the second side plate 365, the first side plate 364 and the second side plate 365 of one restraint frame 36 abut against the first bottom plate 361 and the second bottom plate 362 of another restraint frame 36, so that a structure of the restraint frame 36 is formed between the first side plate 364 and the second side plate 365 of the same restraint frame 36 and the first bottom plate 361 and the second bottom plate 362, which is convenient for mounting a plurality of battery cells 311, the first side plate 364 and the second side plate 365 can limit the battery cells 311, and meanwhile, the formation of the air duct gap 363 is facilitated, and the heat dissipation of the battery cells 311 is increased.

In some embodiments, the first bottom plate 361 and the second bottom plate 362 are each provided with one of a limiting post 366 and a first limiting hole 367, and the first side plate 364 and the second side plate 365 are each provided with the other of the limiting post 366 and the first limiting hole 367. For example, the position restricting posts 366 are provided on the first side plate 364 and the second side plate 365, and the first position restricting holes 367 are provided on the first bottom plate 361 and the second bottom plate 362, wherein, for the adjacent two battery packs 31 arranged in the height direction of the cabinet 10, the position restricting posts 366 of one battery pack 31 are fitted in the first position restricting holes 367 of the other battery pack 31. Optionally, one of the first bottom plate 361 and the second bottom plate 362 is provided with a limiting post 366, the other is provided with a first limiting hole 367, one of the first side plate 364 and the second side plate 365 is provided with the first limiting hole 367, the other is provided with the limiting post 366, and the limiting post 366 on the bottom plate is opposite to the limiting hole on the side plate. Therefore, by arranging the limiting columns 366 and the first limiting holes 367 on the first side plate 364, the second side plate 365, the first bottom plate 361 and the second bottom plate 362, the bottom plate and the side plates are matched through the limiting columns 366 and the first limiting holes 367, accurate positioning is facilitated, mounting efficiency is improved, the mounting mode is simple, and the mounting device has good reliability

In some embodiments, one of the position-limiting posts 366 and the first position-limiting holes 367 are distributed at two ends of the first bottom plate 361 and two ends of the second bottom plate 362, and the other of the position-limiting posts 366 and the first position-limiting holes 367 are distributed at two ends of the first side plate 364 and two ends of the second side plate 365. Therefore, by increasing the positions of the limiting columns 366 and the first limiting holes 367, when the first bottom plate 361 and the second bottom plate 362 are connected with the first side plate 364 and the second side plate 365, the connection stability is increased, the structural strength of the restraint frame 36 can be improved, and the battery cell 311 can be better supported.

In some embodiments, as shown in fig. 3 and 6, for two battery packs 31 adjacent in the height direction of the cabinet 10, the first side plate 364 of the other battery pack 31 is fastened to the first bottom plate 361 and the second bottom plate 362 of the one battery pack 31 by the first fastener 368, and the second side plate 365 of the other battery pack 31 is fastened to the first bottom plate 361 and the second bottom plate 362 of the one battery pack 31 by the second fastener 369. Mounting holes may be provided at end portions of the first bottom plate 361, the second bottom plate 362, the first side plate 364, and the second side plate 365, and the mounting holes provided on the first bottom plate 361 and the second bottom plate 362 are opposite to the mounting holes provided on the first side plate 364 and the second side plate 365, after two adjacent battery packs 31 are mounted, the first fastener 368 may penetrate the mounting hole on the bottom plate of one battery pack 31 and the mounting hole on the side plate of another battery pack 31, and the second fastener 369 may penetrate the mounting hole on the side plate of one battery pack 31 and the mounting hole on the bottom plate of another battery pack 31. Thus, by the arrangement of the first fastening member 368 and the second fastening member 369, the reliability of the installation of the adjacent two battery packs 31 can be increased, so that the plurality of battery packs 31 can be more stably placed in the receiving cavity 11.

Optionally, a plurality of first fastening members 368 and a plurality of second fastening members 369 are respectively provided, the plurality of first fastening members 368 are distributed at both ends of the first side plate 364, and the plurality of second fastening members 369 are distributed at both ends of the second side plate 365. Therefore, the reliability of installation of two connected battery packs 31 can be increased by arranging the plurality of first fastening pieces 368 and the plurality of second fastening pieces 369, and the first fastening pieces 368 and the plurality of second fastening pieces 369 are respectively arranged at the end portions of the first side plate 364 and the second side plate 365, so that influence of the fastening pieces on circulation of air in the air duct gap 363 can be avoided.

In some embodiments, referring to fig. 3, the battery device 30 is a plurality of battery devices 30, and the plurality of battery devices 30 includes a first battery device 30a and a second battery device 30b. The cabinet 10 further includes: at least one support frame 12, the support frame 12 being connected within the cabinet 10, the support frame 12 being spaced apart from both the top wall 10a and the bottom wall 10b of the cabinet 10, a first battery device 30a being provided on the bottom wall 10b of the cabinet 10 and being located below the support frame 12, and a second battery device 30b being supported on the support frame 12. A supporting frame 12 is disposed in the accommodating cavity 11 along the middle of the height direction of the cabinet 10, here, for example, a supporting frame 12 is disposed, the supporting frame 12 is fixed on the inner wall of the cabinet 10 and has a hollow structure in the middle, when the first battery device 30a and the second battery device 30b are disposed in the accommodating cavity 11, one of the first battery device 30a and the second battery device 30b is disposed on the supporting frame 12, and the other is disposed on the bottom wall 10b of the cabinet 10. Thus, by providing the support frame 12 in the cabinet 10 so that the first battery device 30a and the second battery device 30b are respectively located on both sides of the support frame 12, the support of the support frame 12 for the second battery device 30b is increased, and the reliability after stacking the plurality of battery packs 31 is improved.

Alternatively, as shown in fig. 13 and 14, the battery device 31 may be one, one battery device 30 includes a plurality of battery packs 31, the plurality of battery packs 31 are stacked in the height direction of the cabinet 10, and the battery device 30 abuts against the bottom wall 10b of the cabinet 10. Therefore, the plurality of battery packs 31 are stacked and then arranged in the cabinet body 10, so that the space inside the energy storage cabinet 100 can be utilized to the maximum extent, the space utilization rate of the energy storage cabinet 100 is improved, and the energy density of the energy storage cabinet 100 is improved.

In some embodiments, referring to fig. 1-3, the cabinet 10 further includes a rear wall 10d and two side walls 10c, the two side walls 10c are spaced apart along the width direction of the cabinet 10, i.e., along the width direction of the cabinet 10, the rear wall 10d is connected between the rear ends of the two side walls 10c (the ends of the side walls 10c away from the cabinet door 20), the top wall 10a is connected between the tops of the two side walls 10c and the top of the rear wall 10d, the bottom wall 10b is connected between the bottoms of the two side walls 10c and the bottom of the rear wall 10d, and the cabinet door 20 is connected at the front end of one of the two side walls 10c and opposite to the rear wall 10 d. The support frame 12 includes a first frame section 121, a second frame section 122, a third frame section 123 and a fourth frame section which are connected in sequence along the circumferential direction of the cabinet 10, both ends of the first frame section 121 are respectively connected to the front portions (the side adjacent to the cabinet door 20) of the two side walls 10c, the second frame section 122 and the fourth frame section are respectively connected to the surfaces of the two side walls 10c facing each other, the third frame section 123 is connected to the front surface of the rear wall 10d, and the front surface refers to the surface of the rear wall 10d adjacent to the side of the battery device 30. Therefore, the plurality of frame segments of the supporting frame 12 are respectively arranged on the corresponding side walls 10c of the cabinet 10, so that the supporting frame 12 and the cabinet 10 can be conveniently mounted, the supporting frame 12 can be conveniently fixed, and the occupation of the supporting frame 12 on the inner space of the accommodating cavity 11 can be reduced.

In some embodiments, as shown in fig. 3 and 4, at least one first limiting device 60 is disposed on a side of the accommodating cavity 11 away from the cabinet door 20, the first limiting device 60 may be disposed on the rear wall 10d of the cabinet 10, and the battery device 30 cooperates with the first limiting device 60 to limit the movement of the battery device 30 toward a direction away from the cabinet door 20 and/or the movement of the battery device 30 relative to the cabinet 10 in the width direction of the cabinet 10. For example, the first limiting device 60 may limit the battery device 30 to move towards the side away from the cabinet door 20 along the depth direction of the cabinet 10, or the first limiting device 60 may limit the battery device 30 to move along the width direction of the cabinet 10, or the first limiting device 60 may limit the battery device 30 to move along the side away from the cabinet door 20 along the depth direction of the cabinet 10 and move along the width direction of the cabinet 10 at the same time. Therefore, by arranging the first limiting device 60, the first limiting device 60 can be matched with the battery device 30 to limit the battery device 30, so that the battery device 30 is prevented from moving in the cabinet body 10, and the installation stability of the battery device 30 is improved.

Further, referring to fig. 3 to 5, the battery device 30 further includes a base 37, the base 37 is disposed at the bottom of the plurality of battery packs 31, and at least one second limiting hole 32 is formed on a side of the base 37 away from the cabinet door 20. The first stopper 60 includes: a limiting member 61 and a limiting member 62, wherein the limiting member 61 is disposed on the third frame segment 123 and/or the bottom wall 10b of the cabinet 10, and the limiting member 61 is fitted in the second limiting hole 32 to limit the movement of the battery device 30 relative to the cabinet 10 in the width direction of the cabinet 10. The position limiting plate 62 is disposed on a side of the position limiting member 61 away from the battery device 30, and a rear surface (a side surface adjacent to the rear wall 10d of the cabinet 10) of the battery device 30 is stopped by the position limiting plate 62 to limit the movement of the battery device 30 toward a direction away from the cabinet door 20. For example, when the limiting member 61 is disposed on the third frame segment 123, when the second battery device 30b is pushed into the cabinet 10, the base 37 of the second battery device 30b adjacent to one side of the rear wall 10d of the cabinet 10 is provided with a second limiting hole 32, after the base 37 is matched with the supporting frame 12, the second limiting hole 32 on the base 37 is matched with the limiting member 61 on the supporting frame 12, the limiting member 61 may be a pin, and the limiting plate 62 can abut against the second battery device 30b. Alternatively, the limiting member 61 may be disposed on the bottom wall 10b of the cabinet 10, and when the first battery device 30a is pushed into the cabinet 10, a third limiting hole (not shown) is disposed on the base 37 of the side of the first battery device 30a adjacent to the rear wall 10d of the cabinet 10, and the third limiting hole may cooperate with the limiting member 61 to limit the first battery device 30 a.

Therefore, the second limiting hole 32 is formed in the base 37, the first limiting device 60 is arranged on the third frame section 123 of the supporting frame 12 or the bottom wall 10b of the cabinet 10, so that the limiting piece 61 of the first limiting device 60 is matched with the second limiting hole 32, the installation position of the battery device 30 is convenient to limit, the limiting plate 62 is abutted to the battery device 30 after the limiting piece 61 is matched with the second limiting hole 32, the contact area between the first limiting device 60 and the battery device 30 can be increased through the limiting plate 62, the first limiting device 60 has a good limiting effect, the excessive contact stress between the second limiting hole 32 and the limiting piece 61 in the pushing-in process of the battery device 30 is avoided, and the structural reliability of the first limiting device 60 is improved.

According to some embodiments of the present invention, referring to fig. 4 and 7, be equipped with guide block 124 on second frame section 122 and the fourth frame section respectively, battery device 30 is formed with direction breach 33 respectively in the ascending both sides of the width direction of the cabinet body 10, direction breach 33 is located the one side of keeping away from cabinet door 20 that holds the intracavity 11, base 37 is located along the width direction of the cabinet body 10 and the junction along the depth direction of the cabinet body 10 to direction breach 33 promptly, direction breach 33 can form through radius angle or chamfer angle, direction breach 33 cooperates so that battery device 30 and first stop device 60 cooperate with guide block 124. Therefore, the guide notch 33 is arranged on the base 37 and the guide block 124 is arranged on the support frame 12, so that the battery device 30 has accurate guidance when being installed with the cabinet 10, the installation of the battery device 30 is convenient, the battery device 30 is positioned in the middle of the cabinet 10, the damage to the inner wall of the cabinet 10 is avoided, and the installation efficiency of the battery device 30 is improved.

Further, as shown in fig. 4, a side surface of the guide block 124 adjacent to the battery device 30 has a guide face 1241, the guide face 1241 extends obliquely toward the battery device 30 from the cabinet door 20 to a side away from the cabinet door 20 in the accommodating chamber 11, and the guide block 124 is disposed on the second frame section 122 and the fourth frame section near the third frame section 123. The guide notch 33 extends obliquely from the cabinet door 20 to the side of the accommodating chamber 11 away from the cabinet door 20 toward the direction away from the corresponding side wall 10c of the cabinet 10. Therefore, the guide surfaces 1241 and the corresponding guide notches 33 are inclined in the same direction, so that the guide surfaces 1241 and the guide notches 33 can be completely matched when the battery device 30 is mounted on the cabinet body 10, and the convenience in mounting the battery device 30 is improved.

In some embodiments, as shown in fig. 5, at least one fixing hole 35 is formed on a side of the base 37 adjacent to the cabinet door 20, and the fixing hole 35 is located on a side of the base 37 away from the battery device 30. That is, the fixing holes 35 may be provided on the base 37, and the number of the fixing holes 35 is plural in the actual mounting process, and the plural fixing holes 35 are provided at intervals in the circumferential direction of the base 37. Energy storage cabinet 100 further includes: at least one third fastener (not shown) threaded through the securing hole 35 to the cabinet 10 and/or the support frame 12. The number of the third fastening members is opposite to the number of the fixing holes 35. During actual installation, the third fastener may engage a securing hole 35 in the base 37 adjacent to a side of the cabinet door 20. When the first battery device 30a is mounted to the cabinet 10, the third fastening member may pass through the fixing hole 35 and be connected to the bottom wall 10b of the cabinet 10; when the second battery device 30b is mounted on the cabinet 10, the base 37 of the second battery device 30b is engaged with the supporting frame 12, and the third fastener penetrates through the fixing hole 35 of the base 37 and is fixedly connected with the supporting frame 12. Therefore, the battery device 30 and the cabinet body 10 or the support frame 12 in the cabinet body 10 are fixed by arranging the fixing hole 35 and the third fastener, the fixing mode is simple, the reliability and the stability are good, and the manufacturing cost of the energy storage cabinet 100 can be effectively reduced.

In some embodiments, referring to fig. 2 and 3, the heat exchanging device 40 is disposed on the cabinet door 20, the heat exchanging device 40 includes an external circulation air inlet 41, an external circulation air outlet 42, an internal circulation air inlet 43, and an internal circulation air outlet 44, the external circulation air inlet 41 and the external circulation air outlet 42 are both adapted to communicate with the external atmosphere, and the internal circulation air inlet 43 and the internal circulation air outlet 44 are both communicated with the inside of the accommodating cavity 11, so that the energy storage cabinet 100 can select different circulation modes according to different use environments. An air guide duct 13 is arranged at the top of the accommodating cavity 11, that is, between the battery device 30 and the top wall 10a of the cabinet 10, the front end of the air guide duct 13 is communicated with the internal circulation air outlet 44, and the airflow blown out from the internal circulation air outlet 44 flows through the air guide duct 13 to the side of the battery device 30 away from the cabinet door 20, then flows through the air duct gaps 363 defined by the plurality of battery packs 31 in the direction of the cabinet door 20, and enters the heat exchanging device 40 through the internal circulation air inlet 43.

Specifically, taking the heat exchanging device 40 as an example of starting the internal circulation, the battery control device 50 controls the heat exchanging device 40 to operate, and the airflow blown out from the internal circulation air outlet 44 flows through the air guiding duct 13 between the battery device 30 and the top wall 10a to the gap between the battery device 30 and the rear wall 10d, and finally flows from the air duct gap 363 defined by two adjacent battery packs 31 to the internal circulation air inlet 43.

From this, through set up air intake and the air outlet that is used for inner loop and extrinsic cycle on heat transfer device 40, can increase heat transfer device 40's circulation mode to make energy storage cabinet 100 can be suitable for different environment, and on heat transfer device 40 located cabinet door 20, can avoid holding taking in chamber 11 space in the cabinet body 10, increase the ability of holding to group battery 31 in the cabinet body 10, improve energy storage cabinet 100's capacitance and space utilization.

In some embodiments, as shown in fig. 9, the air duct 14 is provided at the top inside the accommodation chamber 11, and the air duct 14 and the battery device 30 are spaced apart from each other to define the air guiding duct 13. The air duct 14 is disposed between the top of the battery device 30 and the top wall 10a of the cabinet 10, and an air guiding duct 13 is formed between the air duct 14 and the battery device 30, so that the air flow blown by the heat exchanging device 40 flows from the air guiding duct 13 to the rear of the battery device 30. Therefore, the air duct 14 is arranged between the top of the battery device 30 and the top wall 10a, so that the air duct 13 is formed between the air duct 14 and the battery device 30, and the airflow enters the battery device 30 to dissipate heat of the battery cells 311 in the battery device 30.

Optionally, the air duct 14 is provided in the accommodating chamber 11 in a drawable manner. Therefore, the air duct piece 14 can be pulled relative to the cabinet body 10, so that the air duct piece 14 can be conveniently detached, and the overhaul and maintenance of an electrical system arranged inside the air duct piece 14 are increased.

For example, referring to fig. 9, a fire protection device 15 is provided on a side of the air duct 14 remote from the battery device 30, and the fire protection device 15 may be electrically connected to the battery control device 50. When dangerous situations such as fire occur in the energy storage cabinet 100, the fire fighting device 15 can extinguish fire in time, reduce property loss, and increase the safety of using the energy storage cabinet 100. Meanwhile, the fire fighting device 15 is arranged on the drawable air duct piece 14, so that the problem that the fire fighting device 15 cannot be maintained due to the narrow space inside the energy storage cabinet 100 is avoided, and the convenience in maintaining the fire fighting device 15 can be improved.

In some embodiments, with reference to fig. 11 and 12, two sliding grooves 125 are formed in the accommodating cavity 11, the two sliding grooves 125 are arranged at intervals along the width direction of the cabinet 10 and extend along the depth direction of the cabinet 10, the sliding grooves 125 are respectively fixedly connected with two side walls 10c of the cabinet 10, at least one limiting opening 126 is formed on an inner wall of the sliding groove 125, here, the number of the limiting openings 126 is two, the two limiting openings 126 on the same sliding groove 125 are arranged at intervals along the depth direction of the cabinet 10, and the limiting openings 126 can be arranged in the sliding groove 125 adjacent to two ends of the sliding groove 125; the bottom of the battery device 30 is provided with a plurality of rollers 34, for example, the rollers 34 may be disposed on one side of the base 37 adjacent to the bottom wall 10b of the cabinet 10, and the plurality of rollers 34 are respectively rollable along the two sliding grooves 125 and fit in the limiting openings 126. Therefore, the sliding groove 125 is formed, the limiting port 126 is formed in the sliding groove 125, the roller 34 at the bottom of the battery device 30 moves along the sliding groove 125 and is matched with the limiting port 126, the installation portability of the battery device 30 is improved, manpower is saved, and the limiting effect after the battery device 30 is installed is good.

Further, as shown in fig. 3 and 10, the energy storage cabinet 100 includes: at least one first connector 71 and at least one second connector 72, wherein the first connector 71 is connected between one side of the battery device 30 along the width direction of the cabinet 10 and the corresponding side wall 10c of the cabinet 10; the second connector 72 is connected between the other side of the battery device 30 in the width direction of the cabinet 10 and the corresponding side wall 10c of the cabinet 10. One end of the first connecting piece 71 and one end of the second connecting piece 72 are connected with one side of the battery device 30 adjacent to the cabinet door 20, and the other end of the first connecting piece 71 and the other end of the second connecting piece 72 are connected with the side wall 10c of the cabinet 10, so that by arranging the first connecting piece 71 and the second connecting piece 72, the battery device 30 can be connected with the cabinet 10 through the first connecting piece 71 and the second connecting piece 72, and the battery device 30 can be more stably installed in the cabinet 10.

Alternatively, the first connecting members 71 are plural, the plural first connecting members 71 are arranged at intervals in the vertical direction (the height direction of the cabinet 10), the plural second connecting members 72 are plural, and the plural second connecting members 72 are arranged at intervals in the vertical direction (the height direction of the cabinet 10). Therefore, the arrangement of the plurality of first connecting pieces 71 and the plurality of second connecting pieces 72 can increase the reliability of the connection between the battery device 30 and the cabinet body 10, so that the stability of the energy storage cabinet 100 is better.

In some embodiments, referring to fig. 1 and 2, an opening 21 is formed on the cabinet door 20, a door 22 is provided at the opening 21 to open and close the opening 21, and the battery control device 50 is opposite to the opening 21. From this, through set up opening 21 on cabinet door 20 to make under the prerequisite of not opening cabinet door 20, can realize control and maintenance to battery control device 50 in energy storage cabinet 100, open cabinet door 20 when avoiding operating battery control device 50 and lead to battery device 30 to expose, reduce the security that battery device 30 surface produced the condensation and influences energy storage cabinet 100 and use and reduce the risk that the people exists for touching battery device 30.

Alternatively, as shown in fig. 2, the battery control device 50 is located below the heat exchanging device 40. From this, can make battery control device 50 and heat transfer device 40 form the dislocation distribution in the space, increase the utilization ratio to the space that the cabinet body 10 was injectd, battery control device 50 is close to the bottom setting of the cabinet body 10 simultaneously, can increase the stability of installation, is convenient for arrange of other electrical systems of energy storage cabinet 100.

In some embodiments, as shown in FIG. 1, the cabinet 10 has a plurality of lifting loops 16 disposed on an exterior surface thereof. Therefore, the plurality of hanging rings 16 are arranged on the outer surface of the cabinet body 10, and the energy storage cabinet 100 is heavy after being assembled, so that the energy storage cabinet 100 can be conveniently hung through external equipment by the aid of the hanging rings 16, and the transportation convenience of the energy storage cabinet 100 is improved.

Further, as shown in fig. 1, a plurality of hanging rings 16 are provided at the top of the cabinet 10. Therefore, the hanging ring 16 is arranged at the top of the cabinet body 10, so that the energy storage cabinet 100 can be kept balanced when external equipment lifts the energy storage cabinet 100, the phenomenon that the energy storage cabinet 100 is toppled over to cause leakage and the like is avoided, and the damage to the energy storage cabinet 100 in the transportation process is reduced.

According to the energy storage system of the embodiment of the second aspect of the present invention, the energy storage cabinet 100 includes the above embodiments.

With reference to fig. 1 to fig. 14, the energy storage cabinet 100 may include one battery device 30 or multiple battery devices 30, each battery device 30 includes multiple battery packs 31, and the multiple battery packs 31 are stacked in the height direction of the cabinet body 10, so as to increase the utilization rate of the internal space of the energy storage cabinet 100, increase the number of battery cells 311 installed inside the energy storage cabinet 100, and increase the capacitance of the energy storage cabinet 100. The energy storage system may include a plurality of energy storage cabinets 100, and the plurality of energy storage cabinets 100 may increase the output of the capacitance of the energy storage system by being connected in series to meet some specific requirements, for example, the application of the energy storage system in a factory.

According to the utility model discloses energy storage system can be through optimizing the inside space of its energy storage cabinet 100 that includes to make energy storage cabinet 100 inside can place more group battery 31, so that energy storage system's the higher energy density that has.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (28)

1. An energy storage cabinet (100), comprising:

a cabinet (10), one side of the cabinet (10) being open;

a cabinet door (20), wherein the cabinet door (20) is arranged at one side of the cabinet body (10) to open and close the cabinet body (10), and the cabinet door (20) and the cabinet body (10) define a containing cavity (11);

at least one battery device (30), said battery device (30) being arranged inside said housing cavity (11);

the heat exchange device (40) is arranged in the accommodating cavity (11), and the heat exchange device (40) is used for adjusting the temperature of the battery device (30);

battery control device (50), battery control device (50) are established hold in chamber (11), battery control device (50) with heat transfer device (40) are located same one side of battery device (30), battery control device (50) with battery device (30) electricity is connected, battery control device (50) are located one side of the cabinet body (10).

2. Energy storage cabinet (100) according to claim 1, characterized in that the battery means (30) comprise a plurality of battery packs (31), a plurality of battery packs (31) being stacked in the height direction of the cabinet body (10).

3. Energy storage cabinet (100) according to claim 2, wherein each battery pack (31) comprises:

a plurality of cells (311);

the battery pack is characterized by comprising a restraint frame (36), a plurality of battery cells (311) are uniformly distributed on the restraint frame (36), and the restraint frames (36) of two adjacent battery packs (31) in the height direction of the cabinet body (10) are mutually abutted.

4. The energy storage cabinet (100) of claim 3, wherein the containment frame (36) comprises:

the battery cell structure comprises a first bottom plate (361) and a second bottom plate (362), wherein the first bottom plate (361) and the second bottom plate (362) are arranged at intervals along one direction of the width direction and the depth direction of the cabinet body (10), two ends of the battery cell (311) in the length direction are respectively supported on the first bottom plate (361) and the second bottom plate (362), and an air duct gap (363) is formed between the first bottom plate (361) and the second bottom plate (362).

5. The energy storage cabinet (100) of claim 4, wherein the containment frame (36) further comprises:

the battery box comprises a first side plate (364) and a second side plate (365), wherein the first side plate (364) and the second side plate (365) are respectively positioned at two sides of a plurality of battery cells (311), the first side plate (364) and the second side plate (365) are oppositely arranged in the other direction of the width direction and the depth direction of the cabinet body (10), two ends of a first bottom plate (361) are respectively connected with one end of the first side plate (364) and one end of the second side plate (365), and two ends of a second bottom plate (362) are respectively connected with the other end of the first side plate (364) and the other end of the second side plate (365);

wherein, for two adjacent battery packs (31) in the height direction of the cabinet (10), the first bottom plate (361) of one battery pack (31) abuts against the first side plate (364) and the second side plate (365) of the other battery pack (31), respectively, and the second bottom plate (362) of the one battery pack (31) abuts against the first side plate (364) and the second side plate (365) of the other battery pack (31), respectively.

6. The energy storage cabinet (100) of claim 5, wherein the first bottom plate (361) and the second bottom plate (362) are each provided with one of a limiting post (366) and a first limiting hole (367), and the first side plate (364) and the second side plate (365) are each provided with the other of the limiting post (366) and the first limiting hole (367);

wherein, for two adjacent battery packs (31) in the height direction of the cabinet body (10), the limiting column (366) of one battery pack (31) is matched with the first limiting hole (367) of the other battery pack (31).

7. The energy storage cabinet (100) of claim 6, wherein the one of the restraint posts (366) and the first restraint holes (367) are distributed at both ends of the first base plate (361) and both ends of the second base plate (362);

the other of the restraint posts (366) and the first restraint holes (367) is distributed at both ends of the first side plate (364) and both ends of the second side plate (365).

8. The energy storage cabinet (100) according to claim 5, wherein for two battery packs (31) adjacent in a height direction of the cabinet (10), the first side plate (364) of the other battery pack (31) is fastened to the first bottom plate (361) and the second bottom plate (362) of the one battery pack (31) by a first fastener (368), and the second side plate (365) of the other battery pack (31) is fastened to the first bottom plate (361) and the second bottom plate (362) of the one battery pack (31) by a second fastener (369).

9. The energy storage cabinet (100) according to claim 8, wherein the first fastening member (368) is plural, and plural first fastening members (368) are distributed at both ends of the first side plate (364);

the second fastening member (369) is plural, and the plural second fastening members (369) are distributed at both ends of the second side plate (365).

10. The energy storage cabinet (100) according to claim 2, wherein the battery means (30) is plural, the plural battery means (30) comprising a first battery means (30 a) and a second battery means (30 b);

the cabinet (10) further comprises:

at least one support frame (12), the support frame (12) being connected within the cabinet (10), the support frame (12) and a top wall (10 a) and a bottom wall (10 b) of the cabinet (10) being spaced apart from each other, the first battery device (30 a) being provided on the bottom wall (10 b) of the cabinet (10) and being located below the support frame (12), the second battery device (30 b) being supported on the support frame (12).

11. The energy storage cabinet (100) according to claim 10, wherein the cabinet body (10) further comprises a rear wall (10 d) and two side walls (10 c), the two side walls (10 c) are spaced apart along the width direction of the cabinet body, the rear wall (10 d) is connected between the rear ends of the two side walls (10 c), the top wall (10 a) is connected between the top of the two side walls (10 c) and the top of the rear wall (10 d), the bottom wall (10 b) is connected between the bottom of the two side walls (10 c) and the bottom of the rear wall (10 d), and the cabinet door (20) is connected at the front end of one of the two side walls (10 c);

the supporting frame (12) comprises a first frame section (121), a second frame section (122), a third frame section (123) and a fourth frame section which are sequentially connected along the circumferential direction of the cabinet body (10), two ends of the first frame section (121) are respectively connected to the front portions of the side walls (10 c), the second frame section (122) and the fourth frame section are respectively connected to the two surfaces, facing each other, of the side walls (10 c), and the third frame section (123) is connected to the front surface of the rear wall (10 d).

12. Energy storage cabinet (100) according to claim 11, wherein at least one first limiting device (60) is provided at a side of the accommodating cavity (11) far away from the cabinet door (20), and the battery device (30) cooperates with the first limiting device (60) to limit the movement of the battery device (30) towards a direction far away from the cabinet door (20) and/or relative to the cabinet body (10) in a width direction of the cabinet body (10).

13. The energy storage cabinet (100) according to claim 12, wherein the battery device (30) further comprises a base (37), the base (37) is disposed at the bottom of the plurality of battery packs (31), and at least one second limiting hole (32) is formed on one side of the base (37) far away from the cabinet door (20);

the first stop device (60) comprises:

a stopper (61), wherein the stopper (61) is disposed on the third frame section (123) and/or the bottom wall (10 b) of the cabinet (10), and the stopper (61) is fitted in the second stopper hole (32) to limit the movement of the battery device (30) relative to the cabinet (10) in the width direction of the cabinet (10);

the limiting plate (62) is arranged on one side, far away from the battery device (30), of the limiting piece (61), and the rear surface of the battery device (30) abuts against the limiting plate (62) to limit the battery device (30) to move towards the direction far away from the cabinet door (20).

14. The energy storing cabinet (100) according to claim 12, wherein the second frame section (122) and the fourth frame section are respectively provided with a guide block (124);

battery device (30) are in both sides on the width direction of the cabinet body (10) are formed with direction breach (33) respectively, direction breach (33) are located hold keeping away from in chamber (11) one side of cabinet door (20), direction breach (33) with guide block (124) cooperation is so that battery device (30) with first stop device (60) cooperation.

15. The energy storage cabinet (100) according to claim 14, wherein a side surface of the guide block (124) adjacent to the battery device (30) has a guide surface (1241), and the guide surface (1241) extends obliquely toward the battery device (30) from the cabinet door (20) to a side away from the cabinet door (20) in the accommodating cavity (11);

the guide notch (33) extends from the cabinet door (20) to the side, far away from the cabinet door (20), in the accommodating cavity (11) and inclines towards the direction far away from the corresponding side wall (10 c) of the cabinet body (10).

16. The energy storage cabinet (100) according to claim 13, wherein a side of the base (37) adjacent to the cabinet door (20) is formed with at least one fixing hole (35),

the energy storage cabinet (100) further comprises:

at least one third fastener, which passes through the fixing hole (35) to be connected with the cabinet (10) and/or the support frame (12).

17. The energy storage cabinet (100) according to claim 2, wherein the heat exchanging device (40) is provided on the cabinet door (20), the heat exchanging device (40) comprises an external circulation air inlet (41), an external circulation air outlet (42), an internal circulation air inlet (43) and an internal circulation air outlet (44), the external circulation air inlet (41) and the external circulation air outlet (42) are both adapted to communicate with the external atmosphere, and the internal circulation air inlet (43) and the internal circulation air outlet (44) are both in communication with the inside of the accommodating cavity (11);

the top in the accommodating cavity (11) is provided with an air guide duct (13), the front end of the air guide duct (13) is communicated with the internal circulation air outlet (44), and air flow blown out of the internal circulation air outlet (44) flows to one side of the battery device (30) far away from the cabinet door (20) through the air guide duct (13) and then flows through a plurality of gaps of the battery packs (31) towards the direction of the cabinet door (20) and enters the heat exchange device (40) through the internal circulation air inlet (43).

18. The energy storage cabinet (100) according to claim 17, wherein an air duct (14) is provided at a top portion inside the accommodating chamber (11), and the air duct (14) and the battery device (30) are spaced apart from each other to define the air guide duct (13).

19. The energy storage cabinet (100) according to claim 18, wherein the air duct member (14) is drawably provided in the accommodation chamber (11).

20. The energy storage cabinet (100) according to claim 18, wherein a fire fighting device (15) is provided on the air duct member (14).

21. The energy storage cabinet (100) according to claim 1, wherein two sliding grooves (125) are formed in the accommodating cavity (11), the two sliding grooves (125) are arranged at intervals along the width direction of the cabinet body (10), and at least one limiting opening (126) is formed on the inner wall of each sliding groove (125);

the bottom of the battery device (30) is provided with a plurality of rollers (34), and the rollers (34) can roll along the two sliding grooves (125) and are matched in the limiting opening (126).

22. The energy storage cabinet (100) of claim 1, further comprising:

at least one first connector (71), wherein the first connector (71) is connected between one side of the battery device (30) along the width direction of the cabinet body (10) and the corresponding side wall (10 c) of the cabinet body (10);

at least one second connection member (72), the second connection member (72) being connected between the other side of the battery device (30) in the width direction of the cabinet (10) and the corresponding side wall (10 c) of the cabinet (10).

23. The energy storage cabinet (100) according to claim 22, wherein the first connecting member (71) is a plurality of first connecting members (71), and the plurality of first connecting members (71) are arranged at intervals along the up-down direction;

the number of the second connecting pieces (72) is multiple, and the second connecting pieces (72) are arranged at intervals in the vertical direction.

24. The energy storage cabinet (100) according to claim 1, wherein an opening (21) is formed on the cabinet door (20), and a door body (22) is arranged at the opening (21) to open and close the opening (21);

the battery control device (50) is opposite to the opening (21).

25. Energy storage cabinet (100) according to claim 1, wherein the battery control device (50) is located below the heat exchanging device (40).

26. The energy storage cabinet (100) according to any one of claims 1 to 25, wherein a plurality of hanging rings (16) are provided on an outer surface of the cabinet body (10).

27. The energy storage cabinet (100) according to claim 26, wherein a plurality of the lifting rings (16) are provided at the top of the cabinet body (10).

28. An energy storage system, characterized in that it comprises an energy storage cabinet (100) according to any one of claims 1-27.

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