CN218300055U

CN218300055U - Energy storage battery cluster structure and energy storage system

Info

Publication number: CN218300055U
Application number: CN202222045960.2U
Authority: CN
Inventors: 石本星; 向德求; 蒙双龙; 陈锐; 付金建
Original assignee: Guangzhou Zhiguang Electric Co ltd
Current assignee: Guangzhou Zhiguang Electric Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-13
Anticipated expiration: 2032-08-04

Abstract

The utility model provides an energy storage battery cluster structure and energy storage system, energy storage battery cluster structure include battery frame, a plurality of battery frame support piece, PCS module and a plurality of battery package, and the inside of battery frame is provided with a plurality of supporting rails that are used for supporting PCS module and a plurality of battery package, through supporting rail with PCS module and a plurality of battery package holding in the battery frame and form at least one battery cluster, and the battery cluster includes at least one PCS module. The utility model adopts the design mode of integrating the PCS module and the battery pack, so that the energy storage battery cluster has high stability, strong integral structure and convenient installation and maintenance, and can meet the requirement of integral transportation; meanwhile, a liquid cooling water inlet and a liquid cooling water outlet are formed in the battery pack and the PCS module, so that the purpose of liquid cooling circulation heat dissipation of the whole energy storage battery cluster structure is achieved, the service lives of the battery cluster and the energy storage system are effectively prolonged, and the manufacturing and using costs are saved.

Description

Energy storage battery cluster structure and energy storage system

Technical Field

The application relates to the technical field of battery energy storage, in particular to an energy storage battery cluster structure and an energy storage system.

Background

With the continuous development of distributed power generation technology and the increase of the power generation scale of new energy, the energy storage system is popularized and applied more and more widely. As a System structure critical to energy storage technology, stable operation of a battery pack and a PCS module (Power Conversion System) is particularly critical.

The battery pack and the PCS module in the prior art are usually designed in a separated mode, so that the battery pack is more in battery cluster parts, high in installation cost and poor in overall structure, and is not beneficial to overall transportation. In addition, when a related system operates, the battery cluster can generate huge heat, if the heat cannot be discharged in time, potential safety hazards can be brought, and the normal operation of the system is further influenced.

SUMMERY OF THE UTILITY MODEL

To the problem, the application discloses an energy storage battery cluster structure and energy storage system to reach and satisfy battery package and PCS module whole transportation demand, structural nature is strong, it is convenient to maintain and can realize liquid cooling circulation radiating technological effect.

In order to achieve the above objects, a first aspect of the present application provides an energy storage battery cluster structure including a battery rack, a plurality of battery rack supports, a PCS module, and a plurality of battery packs, the battery rack being provided at an inside thereof with a plurality of support rails for supporting the PCS module and the plurality of battery packs,

the PCS module and the plurality of battery packs are received in the battery rack through the support rails and form at least one battery cluster, and the battery cluster includes at least one PCS module.

Further, the battery frame adopts the sheet metal material structure, the battery frame includes a plurality of stands and a plurality of crossbeam, a plurality of stands with a plurality of crossbeams enclose to close and form the frame construction of battery frame, wherein, a plurality of stands evenly set up the left and right sides of battery frame, a plurality of crossbeams set up the top and the lower extreme of battery frame.

Furthermore, the plurality of support guide rails are of a bent integrated structure, the plurality of support guide rails comprise a plurality of left support guide rails and a plurality of right support guide rails which are symmetrically arranged, vertical surfaces of the plurality of left support guide rails are fixedly connected with the stand columns on the left side of the battery rack respectively, and vertical surfaces of the plurality of right support guide rails are fixedly connected with the stand columns on the right side of the battery rack respectively.

Furthermore, limiting structures are arranged on the inner sides of the vertical surfaces of the left supporting guide rails and the right supporting guide rails;

the rear ends of the left side supporting guide rails and the right side supporting guide rails are also provided with bending positioning structures.

Furthermore, the battery rack also comprises a plurality of reinforcing beams, the left end and the right end of each reinforcing beam are respectively and fixedly connected with the horizontal plane of each left supporting guide rail and the horizontal plane of each right supporting guide rail,

the plurality of stiffening beams, the plurality of left side support rails and the plurality of right side support rails divide the battery rack into a plurality of layers of unsealed accommodating grids for accommodating the PCS module and the plurality of battery packs.

Further, when the energy storage battery cluster structure is used for a low-voltage energy storage system, the plurality of battery rack supporting pieces are made of metal materials;

when the energy storage battery cluster structure is used for a cascade high-voltage energy storage system, the plurality of battery rack supporting pieces are made of insulating materials.

Further, the PCS module comprises at least one of the following components: PCS inverter, PCS positive terminal, PCS negative terminal, first alternating current output terminal, second alternating current output terminal, isolating switch, BMS communication terminal, BMU communication terminal and PCS control communication terminal.

Furthermore, a PCS liquid cooling water inlet interface and a PCS liquid cooling water outlet interface are arranged on the PCS inverter.

Furthermore, all be provided with battery package liquid cooling water inlet, battery package liquid cooling water outlet, battery package positive terminal, battery package negative terminal and battery package BMU communication terminal on a plurality of battery packages.

A second aspect of the present application provides an energy storage system comprising an energy storage cell cluster structure as described in any of the first aspects above.

The application has the advantages that: the utility model provides an energy storage battery cluster structure and energy storage system, including battery frame, a plurality of battery frame support piece, PCS module and a plurality of battery package, the inside of battery frame is provided with a plurality of support rails, through the support rail with PCS module with a plurality of battery package holding are in the battery frame and form at least one battery cluster, just the battery cluster includes at least one PCS module. The energy storage battery cluster has high structural stability, strong overall structural performance and convenient installation and maintenance, and can realize the overall transportation of the battery pack and the PCS module; meanwhile, the battery pack and the PCS module are provided with liquid cooling water inlets and outlets, so that the whole battery cluster structure can be jointly connected with the same liquid cooling system to achieve the purpose of heat dissipation, the service life of the battery cluster is prolonged, and the manufacturing and using cost is saved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of an energy storage battery cluster structure according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a battery holder of an energy storage battery cluster structure according to an embodiment of the present application;

fig. 3 is a schematic diagram of a back side structure of an energy storage cell cluster structure according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an energy storage cell cluster structure composed of two columns according to an embodiment of the present application.

In the figure: 1. a battery rack: 101-column, 102-beam, 103-reinforcing beam; 2. a battery stand support; 3. a battery pack: 301-battery package liquid cooling water inlet interface, 302-battery package liquid cooling water outlet interface, 303-battery package positive terminal, 304-battery package negative terminal, 305-battery package BMU communication terminal; 4. PCS Module: 401-PCS inverter, 402-PCS positive terminal, 403-PCS negative terminal, 404-first AC output terminal, 405-second AC output terminal, 406-isolating switch, 407-BMS communication terminal, 408-BMU communication terminal, 409-PCS control communication terminal, 410-PCS liquid cooling water inlet interface and 411-PCS liquid cooling water outlet interface; 5. supporting the guide rail: 501-a limiting structure and 502-a bending positioning structure.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to perform clear and complete description of the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an energy storage battery cluster structure in an embodiment of the present application, and fig. 2 is a schematic structural diagram of a battery rack of the energy storage battery cluster structure in an embodiment of the present application.

In an embodiment of the present application, an energy storage battery cluster structure is provided, including battery frame 1, a plurality of battery frame supports 2, a plurality of battery packs 3 and PCS module 4, the inside of battery frame 1 is provided with a plurality of support rails 5 that are used for supporting PCS module 4 and a plurality of battery packs 3, through support rails 5 will PCS module 4 with a plurality of battery packs 3 are held in battery frame 1 and form at least one battery cluster, just the battery cluster includes at least one PCS module 4.

Specifically, as shown in fig. 1 and 2, the battery rack is made of a sheet metal structural member with certain mechanical strength, the overall frame of the battery rack is a cuboid structure built by a plurality of cross beams and a plurality of stand columns, and a plurality of support guide rails are further arranged inside the battery rack. In addition, the battery holder support is used to connect the battery holder with the case floor or the foundation floor, and the battery holder support may be made of a metal material or an insulating material and is required to have sufficient mechanical strength. It can be seen that fig. 1 is an energy storage battery cluster structure composed of a column, a PCS module is placed at the lowest layer of the battery cluster structure, and battery packs are placed at the other layers. Of course, a battery cluster can have a plurality of columns, but each battery cluster only contains one PCS module, and the position of the PCS module in the battery rack can be adjusted according to actual needs. The energy storage battery cluster structure has the advantages of high stability, flexible installation, convenient maintenance and certain rigidity and strength; and can hold PCS module and a plurality of battery package simultaneously, be favorable to energy storage structure's whole transportation.

In an embodiment of this application, battery frame 1 adopts the sheet metal material structure, battery frame 1 includes a plurality of stands 101 and a plurality of crossbeam 102, a plurality of stands 101 with a plurality of crossbeams 102 enclose to close and form battery frame 1's frame construction, wherein, a plurality of stands evenly set up the left and right sides of battery frame, a plurality of crossbeams set up the top and the lower extreme of battery frame.

Specifically, as shown in fig. 2, the battery rack in the figure adopts sheet metal parts, which have the advantages of light weight, high strength, low cost, etc., and can meet the load-bearing requirements of the battery cluster structure. The left and right sides of the battery rack frame in the figure are respectively provided with three upright posts, the uppermost ends and the lowermost ends of the upright posts are provided with square beam structures, the beams and the upright posts form an integral frame structure of the battery rack together in a surrounding manner, and the connection modes of the beams and the upright posts of the battery rack and the internal components of the battery rack comprise but are not limited to various connection modes such as threaded connection and the like.

Further, in an embodiment of this application, a plurality of support rails 5 are the integrated structure of buckling, a plurality of left side support rails and a plurality of right side support rails that a plurality of support rails 5 set up including the symmetry, a plurality of left side support rails's vertical face respectively with be located the battery frame is left the stand fixed connection, a plurality of right side support rails's vertical face respectively with be located the battery frame right side stand fixed connection.

Specifically, as shown in fig. 2, a plurality of support rails 5 are arranged inside the battery rack, and the support rails are of a bent integrated structure and are formed by a sheet metal bending integrated mold. Each support guide rail comprises a horizontal plane and a vertical plane, the support guide rails are located on the left side and the right side inside the battery rack and comprise a left support guide rail and a right support guide rail which are symmetrically arranged, and each pair of support guide rails are located at the same height. Meanwhile, mounting holes are formed in the supporting guide rails and the stand columns of the battery rack, in the drawing, the vertical surfaces of the eight left supporting guide rails are fixedly connected with the three stand columns on the left side of the battery rack respectively, and the vertical surfaces of the eight right supporting guide rails are fixedly connected with the three stand columns on the right side of the battery rack respectively.

In one embodiment of the present application, a limiting structure 501 is disposed inside the vertical surface of the left and right supporting rails; the rear ends of the left and right support rails are also provided with bending positioning structures 502. Specifically, as shown in fig. 2 and 3, in order to ensure that the battery pack and the PCS module can be accurately positioned and clamped in the battery rack during installation and transportation, a limiting structure and a bending positioning structure are further disposed on the support rails, the limiting structure is located on the vertical surface of the support rails, the limiting structure 501 shown in fig. 2 and 3 is a groove-shaped structure located at the middle rear part of the vertical surface of the support rails and protruding along the inside direction of the battery rack, the bending positioning structure 502 is located at the rear end of the support rails, and the limiting structure 501 and the bending positioning structure 502 are symmetrically disposed on the left support rail and the right support rail. The design of limit structure and location structure of buckling can guarantee that battery package and PCS module can fix a position, screens better, ensure that the mounting dimension is accurate, and not only installation and dismantlement are convenient, but also satisfy the intensity and the antidetonation requirement of transportation, of course, limit structure and location structure include but not limited to the preceding the shape, as long as satisfy the needs of location, screens.

In an embodiment of the present application, the battery rack 1 further includes a plurality of reinforcing beams 103, wherein the left and right ends of each reinforcing beam 103 are respectively and fixedly connected to the horizontal plane of each left supporting rail and the horizontal plane of each right supporting rail, and the plurality of reinforcing beams, the plurality of left supporting rails and the plurality of right supporting rails divide the battery rack into a plurality of layers of unsealed receiving lattices for receiving the PCS module 4 and the plurality of battery packs 3.

Specifically, as shown in fig. 2, each layer of the battery rack includes two reinforcing beams, and the two reinforcing beams of each layer are respectively and fixedly connected with the middle part and the rear part of the left and right supporting rails. In the present embodiment, each reinforcing beam is used to connect with the corresponding left and right supporting rails, and after the reinforcing beams are connected with the left and right supporting rails, the battery rack is divided into eight layers of unsealed accommodating grids shown in the figure, that is, a space for accommodating the PCS module and the plurality of battery packs is formed. The reinforcing beam has the functions of ensuring that the strength of the bearing part is enough and integrally connecting the left guide rail and the right guide rail, so that the integral transportation of the PCS module and the plurality of battery packs is more stable and reliable.

Further, in a preferred embodiment of the present application, when the energy storage battery cluster structure is used in a low-voltage energy storage system, the plurality of battery rack supports 2 are made of a metal material; when the energy storage battery cluster structure is used for a cascade high-voltage energy storage system, the plurality of battery support supporting pieces 2 are made of insulating materials. Specifically, the shape, structure, style and specific number of the cell frame supporting pieces are not limited to those shown in fig. 1-3, the requirements of energy storage systems with different voltage levels can be met by selecting supporting pieces with different voltage-resistant levels, the cell frame supporting pieces are mainly used for a low-voltage energy storage system when made of metal materials, and are mainly used for a cascade high-voltage energy storage system when made of insulating materials, and the arrangement of the cell frame supporting pieces meets the corresponding standards of the cascade high-voltage energy storage system, such as specific requirements of voltage-resistant insulation, electrical clearance, creepage distance and the like.

Further, as shown in fig. 4, the battery cluster structure shown in the drawing is composed of two columns, and one PCS module and a plurality of battery packs are provided in the battery cluster structure. In some embodiments of the present application, the PCS module 4 includes at least one of the following components:

PCS inverter 401, PCS positive terminal 402, PCS negative terminal 403, first alternating current output terminal 404, second alternating current output terminal 405, isolating switch 406, BMS communication terminal 407, BMU communication terminal 408, PCS control communication terminal 409, PCS liquid cooling water inlet interface 410 and PCS liquid cooling water outlet interface 411.

Specifically, the PCS inverter can control the charging and discharging processes of the battery and perform ac-dc conversion. Positive and negative terminals in the PCS module can be connected with positive and negative terminals of the battery pack, BMU communication terminals in the PCS module can be connected with BMU communication terminals of the battery pack, and the BMS communication terminals are used for being connected with the background control module and communicating. The PCS module in this embodiment includes a high voltage tank function of the BMS in addition to the PCS inverter, and of course, various other components may be added to the PCS module according to specific needs to implement corresponding functions. In another embodiment of the present application, the PCS module may further adopt a power mode of external power supply, and accordingly, an interface for connecting an external power supply may be provided on the PCS module.

In one embodiment of the present application, for some low-voltage energy storage items, a third ac output terminal (only the first ac output terminal L1 and the second ac output terminal L2 are shown in the drawing) is also provided, and the specific number of the ac output terminals depends on the specific use condition.

Further, in some embodiments of the present application, as shown in fig. 4, a PCS liquid-cooled water inlet 410 and a PCS liquid-cooled water outlet 411 are disposed on the PCS inverter of the PCS module. The liquid cooling inlet and outlet of PCS can be connected with the water inlet and outlet pipeline in the liquid cooling system, and the inside of the PCS module can be further provided with a heat dissipation device so as to play a role in cooling and heat dissipation for PCS.

As shown in fig. 4, in some embodiments of the present application, the plurality of battery packs 3 are each provided with a battery pack liquid cooling water inlet interface 301, a battery pack liquid cooling water outlet interface 302, a battery pack positive terminal 303, a battery pack negative terminal 304, and a battery pack BMU communication terminal 305. The positive and negative terminals on each battery pack can be connected with the positive and negative terminals in the PCS module, and the battery pack liquid cooling water inlet interface 301 and the battery pack liquid cooling water outlet interface 302 are used for being connected with a pipeline in a liquid cooling system, so that the liquid cooling working medium can reach a heat dissipation device in the battery pack. In addition, in another embodiment of the present application, a plurality of battery packs and PCS modules may share one liquid cooling system. Therefore, the inverter of the PCS module adopts a liquid cooling heat dissipation mode, so that electronic devices such as the PCS inverter and the like have good heat dissipation effect, low temperature rise and high reliability, and meanwhile, the inverter and the battery pack share a liquid cooling system, so that the use and maintenance cost can be reduced, the economy and the stability are improved, and the service life of a battery cluster is prolonged.

It should be noted that the styles and positions of the aforementioned components such as the PCS inverter 401, the PCS positive terminal 402, the PCS negative terminal 403, the first ac output terminal 404, the second ac output terminal 405, the isolating switch 406, the BMS communication terminal 407, the BMU communication terminal 408, the PCS control communication terminal 409, the PCS liquid cooling water inlet interface 410, the PCS liquid cooling water outlet interface 411, the battery pack positive terminal 303, the battery pack negative terminal 304, the battery pack BMU communication terminal 305, the battery pack liquid cooling water inlet interface 301, the liquid cooling water outlet interface 302, and the like shown in fig. 4 are only for convenience of description and simplification of description, and do not indicate or imply that the indicated components must have a specific orientation, be constructed and operated in a specific orientation, and the like, and therefore, the limitations of the present invention cannot be understood as other styles and position changes of the above-mentioned components still belong to the claimed subject matter of the present application.

In an embodiment of the present application, there is also provided an energy storage system including the energy storage battery cluster structure as described in any one of the above embodiments. The energy storage battery cluster structure is applied to various energy storage systems such as a low-voltage energy storage system or a cascade high-voltage energy storage system, the stability of the whole system and the overall structure of a PCS and a battery pack can be guaranteed, production and maintenance are flexible and convenient, liquid cooling circulation heat dissipation of the whole energy storage system can be realized, and the service life of each component in the system is prolonged.

In summary, the present embodiment provides an energy storage battery cluster structure and an energy storage system, including a battery rack, a plurality of battery rack supporting members, a PCS module, and a plurality of battery packs, wherein a plurality of supporting guide rails are disposed inside the battery rack, the PCS module and the plurality of battery packs are accommodated in the battery rack through the supporting guide rails and form at least one battery cluster, and the battery cluster includes at least one PCS module; simultaneously, battery package and PCS module all are provided with liquid cooling water inlet, liquid cooling delivery port in order to play the effect of carrying out the heat dissipation to the battery cluster. Not only stability and overall structure nature are strong, the installation is nimble, it is convenient to maintain, can realize the whole transportation of battery package and PCS module, can reach the radiating purpose of liquid cooling circulation for energy storage battery cluster structure moreover, and then improved the life of battery cluster, practiced thrift manufacturing and use cost.

It should be noted that, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, 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 one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, and for example, may be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified. It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, references to the description of "one embodiment," "some embodiments," 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 invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

The foregoing is directed to embodiments of the present invention, and other modifications and variations may be made by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the claims.

Claims

1. An energy storage battery cluster structure is characterized by comprising a battery frame, a plurality of battery frame supporting pieces, a PCS module and a plurality of battery packs, wherein a plurality of supporting guide rails for supporting the PCS module and the battery packs are arranged in the battery frame,

2. The energy storage battery cluster structure of claim 1, wherein the battery rack is made of sheet metal materials, and comprises a plurality of vertical columns and a plurality of cross beams, the vertical columns and the cross beams form a frame structure of the battery rack in an enclosing manner, the vertical columns are uniformly arranged on the left side and the right side of the battery rack, and the cross beams are arranged at the uppermost end and the lowermost end of the battery rack.

3. The energy storage battery cluster structure of claim 2, wherein the plurality of support rails are of a bent integral structure, the plurality of support rails comprise a plurality of left support rails and a plurality of right support rails, the left support rails and the right support rails are symmetrically arranged, vertical surfaces of the left support rails are fixedly connected with the vertical posts on the left side of the battery rack respectively, and vertical surfaces of the right support rails are fixedly connected with the vertical posts on the right side of the battery rack respectively.

4. Energy storage battery cluster structure of claim 3,

limiting structures are arranged on the inner sides of the vertical surfaces of the left supporting guide rails and the right supporting guide rails;

5. The energy storage battery cluster structure of claim 4, wherein the battery rack further comprises a plurality of reinforcing beams, the left and right ends of each reinforcing beam are fixedly connected with the horizontal plane of each left supporting rail and the horizontal plane of each right supporting rail respectively,

6. The energy storage battery cluster structure of claim 1,

when the energy storage battery cluster structure is used for a low-voltage energy storage system, the plurality of battery rack supporting pieces are made of metal materials;

7. The energy storage battery cluster structure of claim 1, wherein the PCS module includes at least one of: PCS inverter, PCS positive terminal, PCS negative terminal, first alternating current output terminal, second alternating current output terminal, isolating switch, BMS communication terminal, BMU communication terminal and PCS control communication terminal.

8. The energy storage battery cluster structure of claim 7, wherein the PCS inverter is provided with a PCS liquid cooling water inlet and outlet.

9. The energy storage battery cluster structure of claim 1, wherein the plurality of battery packs are each provided with a battery pack liquid cooling water inlet, a battery pack liquid cooling water outlet, a battery pack positive terminal, a battery pack negative terminal, and a battery pack BMU communication terminal.

10. An energy storage system comprising an energy storage cell cluster structure according to any of claims 1 to 9.