Energy storage system

Abstract

The utility model relates to the technical field of energy storage, in particular to an energy storage system. The energy storage system comprises an energy storage system battery module assembly, an inverter assembly and a fixing mechanism, the battery module assembly comprises at least two battery modules, the at least two battery modules are stacked in the vertical direction, and the inverter assembly is arranged at the top end of the battery module assembly; the adjacent battery modules are electrically connected through plugging of the first connecting plugs and the first connecting sockets, and the inverter assembly is plugged with the first connecting sockets of the battery modules located below the inverter assembly through the second connecting plugs, so that rapid plugging of the inverter assembly and the battery module assembly is realized, assembly of the energy storage system is facilitated, and the energy storage efficiency is improved. Open wire connection between the battery modules and between the battery module assembly and the inverter assembly is cancelled, so that the manual workload during field installation and use is reduced, power and communication faults accompanied by related misoperation are reduced, and later maintenance is facilitated; wiring is saved, and the appearance of the energy storage system is attractive.

Description

Technical Field

[0001] This utility model relates to the field of energy storage technology, and in particular to an energy storage system. Background Technology

[0002] With the continuous development and utilization of renewable and clean energy sources such as solar energy, wind energy, and biomass energy, especially after the large-scale application and development of solar photovoltaic power generation systems, household energy storage products have entered thousands of households and are widely used in homes, schools, shopping malls, parking lots, farms, and other places, thus serving as energy storage systems for the rational storage and utilization of energy.

[0003] Existing residential energy storage systems typically use wiring harnesses to connect modules for current and signal transmission. This leads to cumbersome installation, extensive wiring work, and is inconvenient for non-professionals, resulting in low efficiency for after-sales maintenance personnel. Adding an external cover to the conventional method increases installation costs and enlarges the battery module horizontally, negatively impacting product design.

[0004] Therefore, there is an urgent need for an energy storage system to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide an energy storage system that is easy to assemble, reduces the workload of installation and user personnel, facilitates later maintenance, and has a more aesthetically pleasing appearance.

[0006] To achieve the above objectives, the following technical solution is provided:

[0007] Energy storage systems, including:

[0008] A battery module assembly includes at least two battery modules, wherein the at least two battery modules are stacked in a vertical direction;

[0009] An inverter assembly and a fixing mechanism are provided. The inverter assembly is located at the top of the battery module assembly. The battery module is provided with a first connecting plug and a first connecting socket. The first connecting socket is plugged into the first connecting plug of the adjacent battery module. The inverter assembly is provided with a second connecting plug. The second connecting plug is plugged into the first connecting socket of the battery module located below the inverter assembly. The two adjacent battery modules and the inverter assembly and the battery module assembly are connected by a fixing mechanism.

[0010] As a preferred embodiment, the fixing mechanism includes:

[0011] The fixed protrusion and the fixed groove are adapted in shape and are both disposed on the battery module. The fixed protrusion is inserted into the fixed groove on the adjacent battery module.

[0012] As a preferred embodiment, the fixing protrusion includes:

[0013] The first fixing protrusion and the second fixing protrusion are respectively disposed at both ends of the battery module assembly along the length direction.

[0014] As a preferred embodiment, the number of the second fixing protrusions is multiple, and the length of the first fixing protrusion is greater than the length of the second fixing protrusion.

[0015] As a preferred embodiment, the fixing mechanism further includes:

[0016] The locking component is provided in the battery module, which includes a housing. The housing has a through hole that communicates with the fixing groove. The locking component passes through the through hole and is fixed to the fixing protrusion.

[0017] As a preferred embodiment, the battery module includes:

[0018] A circuit breaker and a battery cell, wherein the circuit breaker is electrically connected to the battery cell and is configured to close, carry, and interrupt the current of the battery cell.

[0019] As a preferred embodiment, the battery module further includes:

[0020] A protective cover is rotatably connected to the outer wall of the battery module, and the circuit breaker is disposed inside the protective cover.

[0021] As a preferred embodiment, the bottom of the battery module is provided with multiple support ribs, which are used to support the battery cells.

[0022] As a preferred embodiment, the energy storage system further includes:

[0023] A support base is disposed at the bottom of the battery module assembly, and the support base is connected to the battery module assembly through the fixing mechanism.

[0024] As a preferred embodiment, the battery module is provided with handles on both sides along its length.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0026] The energy storage system provided by this utility model includes a battery module assembly, an inverter assembly, and a fixing mechanism. The battery module assembly includes at least two battery modules stacked vertically, and the inverter assembly is located at the top of the battery module assembly. Adjacent battery modules are electrically connected by plugging a first connector into a first connector socket. The inverter assembly is plugged into the first connector socket of the battery module below it by a second connector, enabling quick plugging and unplugging of the inverter assembly and the battery module assembly. This facilitates the assembly of the energy storage system, eliminates exposed wiring between battery modules and between the battery module assembly and the inverter assembly, reduces manual labor during on-site installation and use, and reduces power and communication failures caused by related malfunctions. It also facilitates later maintenance, saves on wiring, and makes the energy storage system more aesthetically pleasing. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0028] Figure 1 One of the structural schematic diagrams of the energy storage system provided in the embodiments of this utility model;

[0029] Figure 2 A second schematic diagram of the energy storage system provided in this embodiment of the present invention;

[0030] Figure 3 A schematic diagram of the structure of the support base provided in an embodiment of this utility model;

[0031] Figure 4 This is one of the structural schematic diagrams of the battery module provided in the embodiments of this utility model;

[0032] Figure 5 This is the second schematic diagram of the structure of the battery module provided in the embodiment of this utility model;

[0033] Figure 6 This is a partial structural schematic diagram of the battery module provided in an embodiment of the present utility model.

[0034] Figure label:

[0035] 100. Energy storage system;

[0036] 10. Battery module assembly; 11. Battery module; 111. Housing; 1111. Through hole; 112. First connector plug; 113. First connector socket; 114. Protective cover; 115. Support rib; 116. Handhold; 117. Reinforcing member;

[0037] 20. Inverter assembly; 21. Second connector plug;

[0038] 30. Fixing mechanism; 31. Fixing protrusion; 311. First fixing protrusion; 312. Second fixing protrusion; 32. Fixing groove;

[0039] 40. Support base. Detailed Implementation

[0040] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0041] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0042] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0043] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0044] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0045] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0046] Existing residential energy storage systems typically use wiring harnesses to connect modules for current and signal transmission. This leads to cumbersome installation, extensive wiring work, and is inconvenient for non-professionals, resulting in low efficiency for after-sales maintenance personnel. Adding an external cover to the conventional method increases installation costs and enlarges the battery module horizontally, negatively impacting product design.

[0047] To solve the above problems, such as Figures 1-6As shown, this embodiment provides an energy storage system 100, which includes a battery module assembly 10, an inverter assembly 20, and a fixing mechanism 30. The battery module assembly 10 includes at least two battery modules 11 stacked vertically. The inverter assembly 20 is located at the top of the battery module assembly 10. Each battery module 11 is provided with a first connector plug 112 and a first connector socket 113. The first connector socket 113 is plugged into the first connector plug 112 of the adjacent battery module 11. The inverter assembly 20 is provided with a second connector plug 21, which is plugged into the first connector socket 113 of the battery module 11 located below the inverter assembly 20. The two adjacent battery modules 11 and the inverter assembly 20 and the battery module assembly 10 are connected by the fixing mechanism 30. With the above configuration, adjacent battery modules 11 are electrically connected by plugging the first connector 112 into the first connector socket 113. The inverter assembly 20 is plugged into the first connector socket 113 of the battery module 11 located below it by plugging the second connector 21 into the first connector socket 113. This enables quick plugging and unplugging of the inverter assembly 20 and the battery module assembly 10, facilitating the assembly of the energy storage system 100. It eliminates the need for exposed wiring between battery modules 11 and between the battery module assembly 10 and the inverter assembly 20, reducing the amount of manual work during on-site installation and use, and reducing power and communication failures caused by related misoperations. It also facilitates later maintenance, saves on wiring, and makes the energy storage system 100 more aesthetically pleasing.

[0048] When the energy storage system 100 needs to be replaced with a different model of inverter assembly 20, the connection between the inverter assembly 20 and the battery module assembly 10 can be achieved through the second connector 21, making it plug-and-play.

[0049] like Figures 1-3 As shown, the energy storage system 100 also includes a support base 40, which is located at the bottom of the battery module assembly 10. The support base 40 is connected to the battery module assembly 10 through a fixing mechanism 30, thereby achieving a stable load-bearing effect on the battery module assembly 10 and the inverter assembly 20.

[0050] like Figures 1-6 As shown, the battery module 11 includes a housing 111 and a battery cell. The battery cell is disposed inside the housing 111, and the housing 111 provides support and protection for the battery cell.

[0051] Specifically, such as Figure 6 As shown, the bottom of the battery module 11 is provided with multiple support ribs 115. The support ribs 115 extend along the width direction of the housing 111. The multiple support ribs 115 are spaced apart in the length direction of the housing 111. The battery cells are arranged between two adjacent support ribs 115. The support ribs 115 are used to support the battery cells (not shown in the figure).

[0052] The battery module 11 also includes a reinforcing member 117, which extends along the length of the housing 111 and is disposed in the height direction of the housing 111. The reinforcing member 117 is used to improve the strength of the housing 111.

[0053] The battery module 11 also includes a circuit breaker, which is electrically connected to the battery cell and can close, carry and interrupt the current of the battery cell. The circuit breaker is used to disconnect the circuit in case of a fault, prevent a larger accident, and ensure the safe use of the energy storage system 100.

[0054] Furthermore, the battery module 11 also includes a protective cover 114, which is rotatably connected to the outer wall of the housing 111. A circuit breaker is disposed inside the protective cover 114, which can protect the circuit breaker, prevent damage to the circuit breaker, and improve the safety of the energy storage system 100.

[0055] Furthermore, the housing 111 is provided with handholds 116 on both sides along its length, which facilitates the installation and use of the battery module 11 and helps to improve the assembly efficiency of the energy storage system 100.

[0056] Preferably, such as Figures 1-6 As shown, the fixing mechanism 30 includes a fixing protrusion 31 and a fixing groove 32. The shapes of the fixing protrusion 31 and the fixing groove 32 are compatible and are both disposed on the battery module 11. The fixing protrusion 31 is inserted into the fixing groove 32 on the adjacent battery module 11 to realize the rapid assembly between the battery modules 11.

[0057] Optionally, a fixing groove 32 is provided at the bottom of the inverter assembly 20. The fixing groove 32 at the bottom of the inverter assembly 20 is connected to the fixing protrusion 31 of the battery module 11 located below the inverter assembly 20, so as to facilitate the quick plugging and unplugging of the energy storage system 100.

[0058] Specifically, the fixing protrusion 31 includes a first fixing protrusion 311 and a second fixing protrusion 312. The first fixing protrusion 311 and the second fixing protrusion 312 are respectively disposed at both ends of the battery module assembly 10 along the length direction. The first fixing protrusion 311 and the second fixing protrusion 312 disposed at both ends of the battery module assembly 10 along the length direction facilitate the rapid positioning and assembly of the battery modules 11.

[0059] Furthermore, there are multiple second fixing protrusions 312, and the length of the first fixing protrusion 311 is greater than the length of the second fixing protrusion 312. By setting different numbers and sizes of first fixing protrusions 311 and second fixing protrusions 312, a certain degree of error prevention can be achieved, facilitating the rapid assembly of the energy storage system 100.

[0060] Optionally, the fixing mechanism 30 also includes a locking member. The housing 111 has a through hole 1111 that communicates with the fixing groove 32. The locking member passes through the through hole 1111 and is fixed to the fixing protrusion 31 to achieve locking between adjacent battery modules 11, improve the connection strength between various components of the energy storage system 100, and further improve the safety of the energy storage system 100.

[0061] Note that in the description of this specification, the references to terms such as "some embodiments," "other embodiments," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0062] The above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. An energy storage system, characterized by, include: The battery module assembly (10) includes at least two battery modules (11), which are stacked vertically. An inverter assembly (20) and a fixing mechanism (30) are provided. The inverter assembly (20) is located at the top of the battery module assembly (10). The battery module (11) is provided with a first connector plug (112) and a first connector socket (113). The first connector socket (113) is plugged into the first connector plug (112) of the adjacent battery module (11). The inverter assembly (20) is provided with a second connector plug (21). The second connector plug (21) is plugged into the first connector socket (113) of the battery module (11) located below the inverter assembly (20). The two adjacent battery modules (11) and the inverter assembly (20) and the battery module assembly (10) are connected by the fixing mechanism (30).

2. The energy storage system of claim 1, wherein, The fixing mechanism (30) includes: The fixed protrusion (31) and the fixed groove (32) are adapted in shape and are both provided on the battery module (11). The fixed protrusion (31) is inserted into the fixed groove (32) on the adjacent battery module (11).

3. The energy storage system of claim 2, wherein, The fixed protrusion (31) includes: The first fixing protrusion (311) and the second fixing protrusion (312) are respectively disposed at both ends of the battery module assembly (10) along the length direction.

4. The energy storage system of claim 3, wherein, There are multiple second fixing protrusions (312), and the length of the first fixing protrusion (311) is greater than the length of the second fixing protrusion (312).

5. The energy storage system of claim 2, wherein, The fixing mechanism (30) also includes: The locking component is provided in the battery module (11), which includes a housing (111). The housing (111) has a through hole (1111) that communicates with the fixing groove (32). The locking component passes through the through hole (1111) and is fixed to the fixing protrusion (31).

6. The energy storage system of any one of claims 1-5, wherein, The battery module (11) includes: A circuit breaker and a battery cell, wherein the circuit breaker is electrically connected to the battery cell and is configured to close, carry, and interrupt the current of the battery cell.

7. The energy storage system of claim 6, wherein, The battery module (11) also includes: A protective cover (114) is rotatably connected to the outer wall of the battery module (11), and the circuit breaker is disposed on the inner side of the protective cover (114).

8. The energy storage system of claim 6, wherein, The bottom of the battery module (11) is provided with a plurality of support ribs (115), which are used to support the battery cells.

9. The energy storage system of any one of claims 1-5, wherein, The energy storage system also includes: A support base (40) is disposed at the bottom of the battery module assembly (10), and the support base (40) is connected to the battery module assembly (10) through the fixing mechanism (30).

10. The energy storage system of any one of claims 1-5, wherein, The battery module (11) has handheld parts (116) on both sides along its length.

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