Energy storage system

Abstract

The utility model discloses an energy storage system which comprises a cabin body, at least one vertical beam is arranged in the cabin body, the vertical beams extend vertically, and when the number of the vertical beams is multiple, the multiple vertical beams are arranged at intervals in the first direction in the horizontal plane; the plurality of battery cluster assemblies are arranged in the cabin body, each battery cluster assembly comprises a plurality of battery clusters which are sequentially arranged and connected in the first direction, the battery cluster assemblies are arranged between two adjacent vertical beams or arranged between the vertical beams and the side walls of the two ends, in the first direction, of the cabin body, and the battery cluster assemblies are fixedly connected with the vertical beams. According to the energy storage system provided by the utility model, the battery cluster assemblies are fixedly connected with the vertical beams, so that the use number of the vertical beams can be reduced, the space proportion of the vertical beams in the cabin body can be further reduced, the placement number of the battery clusters can be increased, and the overall charging capacity and the surface energy density of the energy storage system can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to an energy storage system. Background Art

[0002] It is pointed out in the relevant technology that the current container energy storage system is usually composed of multiple battery clusters, and the battery cluster is usually composed of multiple independent battery PACK packages stacked and fixed in sequence on the prefabricated cabin bracket, wherein the bracket needs to be fixedly connected with the vertical beams in the prefabricated cabin to improve the supporting capacity of each layer of the bracket. This will require a large number of vertical beams in the container energy storage system, and the vertical beams generally have a certain width, which will cause the vertical beams to occupy more space in the cabin, thereby reducing the placement space of the battery cluster, and the overall installed capacity and surface energy density of the energy storage system are also relatively small. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an energy storage system, which can improve the power capacity and surface energy density of the overall system.

[0004] According to the utility model, the energy storage system includes: a cabin, wherein at least one vertical beam is provided in the cabin, and the vertical beam extends vertically. When the number of the vertical beams is multiple, the multiple vertical beams are arranged at intervals along a first direction in a horizontal plane; multiple battery cluster assemblies, multiple battery cluster assemblies are provided in the cabin, and the battery cluster assembly includes multiple battery clusters arranged and connected in sequence along a first direction, and the battery cluster assembly is arranged between two adjacent vertical beams or between the vertical beam and the side walls of the cabin at both ends in the first direction, and the battery cluster assembly is fixedly connected to the vertical beam.

[0005] According to the energy storage system of the present invention, by arranging a battery cluster assembly to be fixedly connected with the vertical beam, the number of vertical beams used can be reduced, thereby reducing the space occupied by the vertical beams in the cabin, thereby increasing the number of battery clusters placed, thereby improving the overall power storage system The overall installed capacity and surface energy density.

[0006] According to some embodiments of the utility model, the energy storage system further includes: a fixing plate, which is connected to the battery cluster assembly and is arranged on both sides of the battery cluster assembly in the first direction, the fixing plate is vertically arranged and extends along the first direction, and the fixing plate is connected to the vertical beam or the cabin through fasteners.

[0007] According to some embodiments of the utility model, the vertical beam divides the internal space of the cabin into multiple energy storage cabins, both sides of the energy storage cabins in the second direction are open and form entrances and exits, the second direction is perpendicular to the first direction, and the energy storage system further includes: multiple cabin doors, the multiple cabin doors are arranged in a one-to-one correspondence with the multiple entrances and exits, and the cabin doors are used to open and close the corresponding entrances and exits.

[0008] According to some embodiments of the present invention, two battery cluster assemblies disposed opposite to each other are arranged in each energy storage compartment.

[0009] According to some embodiments of the utility model, a first limiting portion is formed on the bracket of the battery cluster, and a second limiting portion is formed in the cabin, one of the first limiting portion and the second limiting portion is formed as a limiting block and the other is formed as a limiting hole, and the limiting block fits in the limiting hole.

[0010] According to some embodiments of the present utility model, the limiting hole is formed on a side of the bracket facing the energy storage cabin in the second direction, and the limiting block is formed in the cabin body.

[0011] According to some embodiments of the present invention, a fixing hole extending up and down and penetrating the bracket is formed on the bracket of the battery cluster, and the bracket is fixed to the bottom wall of the cabin by a fastener.

[0012] According to some embodiments of the present invention, the fixing hole is formed on a side of the bracket facing the entrance and exit, and there are multiple fixing holes, which are arranged at intervals along the first direction.

[0013] According to some embodiments of the present invention, an insertion hole for transporting the battery cluster is formed on the side wall of the bracket.

[0014] According to some embodiments of the utility model, the battery cluster includes: a plurality of battery packs, the plurality of battery packs are stacked in an up-and-down direction, the battery pack includes a tray and a battery module, the tray is U-shaped and defines a accommodating cavity inside, and the battery module is disposed in the accommodating cavity.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of an energy storage system according to an embodiment of the utility model;

[0017] Figure 2 is a schematic diagram of an energy storage system according to an embodiment of the utility model from another angle;

[0018] Figure 3 is a partial cross-sectional view of an energy storage system according to an embodiment of the utility model;

[0019] Figure 4 is a schematic diagram of the battery cluster assembly;

[0020] Figure 5 This is a schematic diagram of the battery cluster assembly from another angle;

[0021] Figure 6 This is a schematic diagram of the battery cluster assembly from another angle;

[0022] Figure 7 It is a schematic diagram of the battery pack.

[0023] Reference numerals:

[0024] 100. Energy storage system;

[0025] 10. Cabin; 11. Vertical beam; 12. Limit block;

[0026] 20. Battery cluster assembly; 21. Battery cluster; 211. Bracket; 2111. Limiting hole; 2112. Fixing hole; 212. Battery pack; 2121. Tray; 2122. Battery module;

[0027] 30. Fixed plate; 40. Hatch door. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] Reference below Figure 1-Figure 7 An energy storage system 100 according to an embodiment of the present invention is described.

[0030] like Figure 1 and Figure 4 As shown, the energy storage system 100 according to the embodiment of the utility model includes: a cabin 10 and a plurality of battery cluster assemblies 20, wherein at least one vertical beam 11 is provided in the cabin 10, and the vertical beam 11 extends vertically. When the number of the vertical beams 11 is multiple, the multiple vertical beams 11 extend in a first direction in a horizontal plane (e.g. Figure 1 In the direction from front to rear as shown, they are arranged at intervals.

[0031] Specifically, the cabin 10 mainly provides installation space for multiple battery cluster assemblies 20, can provide protection for multiple battery cluster assemblies 20, can effectively prevent external impurities such as rainwater from entering the energy storage system 100 and affecting the operation of the energy storage system 100, and improve the operational safety of the energy storage system 100. Multiple battery cluster assemblies 20 are the core part of the energy storage system 100, and are mainly used to store and release electrical energy.

[0032] A plurality of battery cluster assemblies 20 are arranged in the cabin 10. The battery cluster assembly 20 includes a plurality of battery clusters 21 arranged in sequence and connected along the first direction. The battery cluster assembly 20 is arranged between two adjacent vertical beams 11 or between the vertical beam 11 and the side walls at both ends of the cabin 10 in the first direction. The battery cluster assembly 20 is fixedly connected to the vertical beam 11. When the battery cluster assembly 20 is arranged between two adjacent vertical beams 11, both ends of the battery cluster assembly 20 in the first direction are fixedly connected to the vertical beam 11. When the battery cluster assembly 20 is arranged between the vertical beam 11 and the side walls at both ends of the cabin 10 in the first direction, one end of the battery cluster assembly 20 in the first direction is fixedly connected to the vertical beam 11, and the other end is fixedly connected to the cabin 10.

[0033] In the prior art, only one battery cluster 21 is included between two vertical beams 11 or between a vertical beam 11 and the inner wall of the cabin 10. Therefore, more vertical beams 11 need to be arranged in the cabin 10, and the vertical beams 11 generally have a certain width, which will cause the vertical beams 11 to occupy more space in the cabin 10, thereby reducing the placement space of the battery cluster 21, reducing the installed capacity and surface energy density of the energy storage system 100.

[0034] In the embodiment of the utility model, the battery cluster assembly 20 includes a plurality of battery clusters 21, and the battery cluster assembly 20 is fixedly connected to the vertical beam 11. Therefore, compared with the prior art, the energy storage system 100 in this embodiment eliminates some vertical beams 11, thereby reducing the space occupied by the vertical beams 11 in the cabin 10, so that when the area of ​​the cabin 10 is certain, more battery clusters 21 can be arranged in the first direction, thereby improving the overall capacity and surface energy density of the energy storage system 100.

[0035] According to the energy storage system 100 of the embodiment of the utility model, by setting the battery cluster assembly 20 to be fixedly connected with the vertical beam 11, the number of vertical beams 11 used can be reduced, and the space occupied by the vertical beam 11 in the cabin 10 can be reduced, so that the number of battery clusters 21 placed can be increased, thereby improving the overall power storage system 100. The overall installed capacity and surface energy density.

[0036] According to some embodiments of the present invention, Figure 1 and Figure 5As shown, the energy storage system 100 further includes: a fixing plate 30, which is connected to the battery cluster assembly 20 and arranged on both sides of the battery cluster assembly 20 in the first direction, and is vertically arranged and extends along the first direction, and is connected to the vertical beam 11 or the cabin 10 through a fastener. In this way, the connection convenience between the battery cluster assembly 20 and the vertical beam 11 can be increased, and at the same time, the connection area can be increased, thereby improving the connection stability between the battery cluster assembly 20 and the vertical beam 11.

[0037] According to some embodiments of the present invention, Figure 2 As shown, the vertical beam 11 divides the internal space of the cabin 10 into a plurality of energy storage cabins. Figure 2 The two sides of the second direction (from left to right as shown) are open and formed as entrances and exits, and the second direction is perpendicular to the first direction. The energy storage system 100 also includes: a plurality of hatches 40, and the plurality of hatches 40 are arranged one by one corresponding to the plurality of entrances and exits, and the hatches 40 are used to open and close the corresponding entrances and exits. In this way, it is convenient to assemble a plurality of battery cluster assemblies 20 into the cabin 10, which can increase the convenience of assembling the energy storage system 100, and thus can improve the production rate of the energy storage system 100.

[0038] According to some embodiments of the present invention, Figure 2-Figure 3 As shown, two battery cluster assemblies 20 are arranged in opposite directions in each energy storage compartment. It can be understood that the backs of the two battery cluster assemblies 20 are arranged opposite to each other, and the fronts of the two battery cluster assemblies 20 are arranged toward the door 40, so that the reserved space between the two battery cluster assemblies 20 can be reduced, thereby improving the space utilization of the energy storage compartment.

[0039] According to some embodiments of the present invention, Figure 3 As shown, a first limiting portion is formed on the bracket 211 of the battery cluster 21, and a second limiting portion is formed in the cabin 10. One of the first limiting portion and the second limiting portion is formed as a limiting block 12 and the other is formed as a limiting hole 2111, and the limiting block 12 is matched in the limiting hole 2111. It can be understood that when the first limiting portion is formed as the limiting block 12, the second limiting portion is formed as the limiting hole 2111; when the first limiting portion is formed as the limiting hole 2111, the second limiting portion is formed as the limiting hole 2111. Among them, the limiting block 12 is matched in the limiting hole 2111, which can play a certain limiting and fixing role on the battery cluster 21. At the same time, the limiting block 12 and the limiting hole 2111 have a simple structure and are easy to produce. Therefore, the production difficulty of the bracket 211 and the cabin 10 can be reduced, and the production rate of the energy storage system 100 can be improved.

[0040] According to some embodiments of the present invention, Figure 3As shown, the limiting hole 2111 is formed on one side of the bracket 211 facing the energy storage compartment in the second direction, and the limiting block 12 is formed in the compartment body 10. In this way, it is beneficial to the overall layout of the energy storage system 100, reduces the space occupied by the limiting block 12, and improves the overall space utilization of the energy storage system 100.

[0041] For example Figure 3 As shown, a limit block 12 is formed between two battery clusters 21 disposed opposite to each other. The limit block 12 is formed with two limit protrusions, and the two limit protrusions respectively cooperate with the limit holes 2111 on the brackets 211 of the two battery clusters 21 disposed opposite to each other. Thus, a limit block 12 can be used to limit the displacement of the two battery cluster assemblies 20 in the cabin 10, thereby reducing the use of materials and thus reducing the overall cost of the energy storage system 100.

[0042] According to some embodiments of the present invention, Figure 4 As shown, a fixing hole 2112 extending up and down and penetrating the bracket 211 is formed on the bracket 211 of the battery cluster 21, and the bracket 211 is fixed to the bottom wall of the cabin 10 by a fastener. The fastener has a certain structural strength, and the bracket 211 is fixed to the bottom wall of the cabin 10 by the fastener, which can increase the connection strength between the battery cluster 21 and the cabin 10, and further improve the connection stability between the battery cluster 21 and the cabin 10, thereby increasing the safety of the energy storage system 100.

[0043] According to some embodiments of the present invention, Figure 4 As shown, the fixing holes 2112 are formed on the side of the bracket 211 facing the entrance and exit, and the number of the fixing holes 2112 is multiple, and the multiple fixing holes 2112 are arranged at intervals along the first direction. Among them, the multiple fixing holes 2112 can further increase the connection strength and connection stability between the battery cluster 21 and the cabin 10; at the same time, the fixing holes 2112 are formed on the side of the bracket 211 facing the entrance and exit, which can also increase the convenience of personnel operation and improve the assembly rate of the energy storage system 100.

[0044] According to some embodiments of the present invention, insertion holes for transporting the battery cluster 21 are formed on the side walls of the bracket 211, so that the battery cluster assembly 20 can be easily transferred into the cabin 10, thereby improving the assembly rate of the energy storage system 100.

[0045] Furthermore, the insertion hole extends along the second direction and passes through the bracket 211, and one end of the insertion hole is formed as a limiting hole 2111. The limiting block 12 cooperates with the insertion hole to limit the displacement of the battery cluster 21 in the cabin 10. As a result, the production process of the battery cluster 21 can be further reduced, the production cost of the battery cluster 21 can be reduced, and the production rate of the battery cluster 21 can be increased.

[0046] According to some embodiments of the present invention, Figure 7 As shown, the battery cluster 21 includes: a plurality of battery packs 212, which are stacked in the up-down direction, and the battery packs 212 include a tray 2121 and a battery module 2122. The tray 2121 is U-shaped and defines a receiving cavity inside, and the battery module 2122 is arranged in the receiving cavity. Specifically, the tray 2121 is formed by connecting a bottom plate and end plates on both sides, and the bottom plate is a water-cooled plate. Therefore, it can be understood that the battery pack 212 in this embodiment cancels the box body, thereby reducing the overall size of the battery pack 212, so that when the size of the cabin 10 is constant, more battery packs 212 can be arranged in the cabin 10, thereby improving the energy density of the energy storage system 100 and increasing the overall power capacity.

[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0049] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0051] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An energy storage system, It is characterized in that include: A cabin, wherein at least one vertical beam is disposed in the cabin, and the vertical beam extends vertically. When there are multiple vertical beams, the multiple vertical beams are arranged at intervals along a first direction in a horizontal plane; A plurality of battery cluster assemblies are provided in the cabin, the battery cluster assembly comprises a plurality of battery clusters sequentially arranged and connected along a first direction, the battery cluster assembly is arranged between two adjacent vertical beams or between the vertical beams and the side walls at both ends of the cabin in the first direction, and the battery cluster assembly is fixedly connected to the vertical beams.

2. The energy storage system according to claim 1, It is characterized in that Also includes: A fixing plate, the fixing plate is connected to the battery cluster assembly and is arranged on both sides of the battery cluster assembly in the first direction, the fixing plate is vertically arranged and extends along the first direction, and the fixing plate is connected to the vertical beam or the cabin through fasteners.

3. The energy storage system according to claim 1, It is characterized in that The vertical beams divide the internal space of the cabin into a plurality of energy storage cabins, both sides of the energy storage cabins in the second direction are open and form entrances and exits, and the second direction is perpendicular to the first direction. The energy storage system further includes: a plurality of hatches, the plurality of hatches are arranged in one-to-one correspondence with the plurality of entrances and exits, and the hatches are used to open and close the corresponding entrances and exits.

4. The energy storage system according to claim 3, It is characterized in that Two battery cluster assemblies arranged opposite to each other are arranged in each energy storage compartment.

5. The energy storage system according to claim 3, It is characterized in that A first limiting portion is formed on the bracket of the battery cluster, and a second limiting portion is formed in the cabin. One of the first limiting portion and the second limiting portion is formed as a limiting block and the other is formed as a limiting hole. The limiting block is fitted in the limiting hole.

6. The energy storage system according to claim 5, It is characterized in that The limiting hole is formed on one side of the bracket facing the energy storage compartment in the second direction, and the limiting block is formed in the compartment body.

7. The energy storage system according to claim 3, It is characterized in that The bracket of the battery cluster is formed with a fixing hole extending up and down and penetrating the bracket, and the bracket is fixed to the bottom wall of the cabin body by a fastener.

8. The energy storage system according to claim 7, It is characterized in that The fixing hole is formed on a side of the bracket facing the entrance and exit, and there are a plurality of the fixing holes, which are arranged at intervals along the first direction.

9. The energy storage system according to claim 8, It is characterized in that An insertion hole for transporting the battery cluster is formed on the side wall of the bracket.

10. The energy storage system according to claim 1, It is characterized in that The battery cluster includes: a plurality of battery packs, which are stacked in an up-and-down direction. The battery pack includes a tray and a battery module. The tray is U-shaped and defines a receiving cavity inside. The battery module is arranged in the receiving cavity.

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