Box-type energy storage battery device

Abstract

The application provides a box type energy storage battery device, which comprises an outer box body, a refrigeration device, a cooling pipeline, an electrical and control assembly, a cable and a plurality of battery clusters; the outer box body comprises a frame structure, a battery cabin and a cabin are arranged in the frame structure; a first region and a second region are arranged in the battery cabin along a first direction, a plurality of first rows of racks are arranged in the first region along a second direction respectively; a plurality of second rows of racks are arranged in the second region along the second direction respectively; a third region, a fourth region and a fifth region are sequentially arranged in the cabin along the first direction; the third region and the fifth region are used for accommodating the refrigeration device; the fourth region is used for accommodating the electrical and control assembly; the cabin and the battery cabin are arranged, and the first region and the second region are arranged in the battery cabin, so that the effect of high space utilization is achieved, and the overall energy storage capacity of the container is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of energy storage, in particular to a box-type energy storage battery device. BACKGROUND

[0002] At present, with the vigorous promotion of new energy industry by the country, the development of commercial energy storage and household energy storage has ushered in unprecedented opportunities. At present, the business of commercial energy storage needs to be benchmarked with exports, so the size of the energy storage cabinet will be limited by the size of the marine shipping container. How to reasonably arrange the various functional modules in the energy storage cabinet in a limited space becomes particularly important. It is necessary to arrange more batteries and battery clusters in a limited space.

[0003] Patent document CN113784560A discloses an outdoor energy storage cabinet, relating to the technical field of energy storage cabinets. The outdoor energy storage cabinet comprises a unit, a first wind deflector and a cabinet body. The cabinet body comprises a first side wall and a second side wall arranged opposite to each other, the first side wall is provided with an air inlet, and the second side wall is provided with an air outlet and a drain hole. One side of the first wind deflector is connected with the first side wall and covers the air inlet, and the other side is connected with the unit. The unit is connected with the second side wall. The air inlet, the first wind deflector, the unit and the air outlet form a heat dissipation air duct for dissipating heat inside the unit. The first wind deflector is provided with a first drainage part for receiving water entering the air inlet. The unit is provided with a drainage channel, one end of the drainage channel is used for receiving water flowing down from the first drainage part, and the other end is used for guiding the water out of the drain hole. However, the single cabinet of the energy storage cabinet contains less power supply, and multiple cabinets are arranged at the same time. The overall size is difficult to completely match the size of the marine shipping container, resulting in low utilization rate of the container space and low overall energy density. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a box-type energy storage battery device.

[0005] According to the box-type energy storage battery device provided by the present application, the box-type energy storage battery device comprises an outer box body, a refrigeration device, a cooling pipeline, an electrical and control assembly, a cable and a plurality of battery clusters.

[0006] The outer box body comprises a frame structure, and the frame structure is internally provided with a battery cabin and a machine cabin; the machine cabin is located at one end of the battery cabin; the battery cabin is used for accommodating the battery clusters, and the machine cabin is used for accommodating the refrigeration device and the electrical and control assembly.

[0007] The battery cabin is internally provided with a first region and a second region along a first direction, a plurality of first rows of racks are respectively arranged in the first region along a second direction; a plurality of second rows of racks are respectively arranged in the second region along the second direction; and a single battery cluster placement area is formed between adjacent first rows of racks and between adjacent second rows of racks.

[0008] The first row frame and the second row frame are provided with a plurality of shelves in a third direction; the shelves are used for placing the battery clusters;

[0009] The third area and the fifth area are used for accommodating the refrigeration devices; and the fourth area is used for accommodating the electrical and control components.

[0010] Each group of the battery clusters comprises a plurality of battery modules and one or more control boxes; the battery modules and the control boxes in the same group of the battery clusters are accommodated in the same single group of battery cluster placement area and are located on the shelves of the first row frame or the second row frame; the battery modules in the same group are connected to the control box in series.

[0011] The control box is accommodated on any one of the shelves. The rear end of the control box is recessed from the rear end of the battery module in a first direction by a certain distance to form a sixth area; and the control box is recessed in a second direction or a third direction to form a seventh area.

[0012] The cable is accommodated in the sixth area and the seventh area; and the cable is used for connecting the control box and the electrical and control components.

[0013] The refrigeration device is accommodated in the third area and / or the fifth area; and the refrigeration device and the battery clusters in the first area and / or the second area are connected through a cooling pipeline.

[0014] The first direction is the width direction of the box-type energy storage battery device, the second direction is the length direction of the box-type energy storage battery device, and the third direction is the height direction of the box-type energy storage battery device.

[0015] Preferably, a partition is arranged between the battery cabin and the cabin.

[0016] Preferably, the first area and the second area are symmetrically distributed with respect to the center of the battery cabin.

[0017] Preferably, the third area and the fifth area are symmetric with respect to the center of the cabin.

[0018] Preferably, the number of battery clusters accommodated in the first area and the second area is equal.

[0019] Preferably, a partition is arranged between the third area and the fourth area and between the fourth area and the fifth area.

[0020] Preferably, a ventilation window is arranged on the third area and the fifth area, and the air inlet and outlet of the refrigeration device are opposite to the ventilation window.

[0021] Preferably, the number of the refrigeration devices is two, which are a first refrigeration device and a second refrigeration device.

[0022] The first refrigeration device is accommodated in the third area, and the second refrigeration device is accommodated in the fifth area.

[0023] The first refrigeration device is connected with the battery cluster in the first area through a cooling pipeline, and the second refrigeration device is connected with the battery cluster in the second area through a cooling pipeline.

[0024] Preferably, the outer box body further comprises a first facade and a second facade; the first facade is provided with a first door corresponding in position and size to the electrical and control components; the second facade is provided with a second door corresponding in position and size to the refrigeration device and a plurality of third doors corresponding in position and size to the single battery cluster placement areas.

[0025] Preferably, the cooling pipeline comprises a first cooling pipeline and a second cooling pipeline; the refrigeration device accommodated in the third area is connected with the battery cluster in the first area through the first cooling pipeline; and the refrigeration device accommodated in the fifth area is connected with the battery cluster in the second area through the second cooling pipeline.

[0026] The first cooling pipeline and the second cooling pipeline each comprise a third pipeline, a second pipeline and a first pipeline.

[0027] The third pipeline comprises a plurality of first branches and a plurality of second branches; the first branches are connected with first water outlets of the battery modules; and the second branches are connected with second water outlets of the battery modules.

[0028] The second pipeline comprises a plurality of first collecting pipes and a plurality of second collecting pipes; a plurality of first branches connected with a plurality of battery modules in the same battery cluster are collected into the same first collecting pipe; and a plurality of second branches connected with a plurality of battery modules in the same battery cluster are collected into the same second collecting pipe.

[0029] The first pipeline comprises a first main pipe and a second main pipe; a plurality of first collecting pipes are collected into the first main pipe; and a plurality of second collecting pipes are collected into the second main pipe; and the first pipeline is connected with the refrigeration device.

[0030] Compared with the prior art, the present application has the following beneficial effects:

[0031] 1. The present application realizes the effect of high space utilization by setting the engine room and the battery room and setting the first area and the second area in the battery room, thereby improving the overall energy storage capacity of the container.

[0032] 2. The present application has a more reasonable electrical arrangement by setting the cable accommodation in the sixth area and the seventh area.

[0033] 3. The present invention enables the battery cluster assembly to have good heat dissipation function through the design of cooling pipes and water chiller, avoiding the adverse effects that may be caused by poor heat dissipation of the battery cluster assembly. Attached Figure Description

[0034] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0035] Figure 1 This is a schematic diagram of the structure of the present invention;

[0036] Figure 2 for Figure 1 Axonometric structural schematic diagram;

[0037] Figure 3 This is a structural diagram of the frame structure, the first row of frames, and the second row of frames.

[0038] Figure 4 This is a schematic diagram of the cooling pipe structure.

[0039] The diagram shows:

[0040] Detailed Implementation

[0041] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0042] This invention provides a box-type energy storage battery device, such as... Figures 1-3 As shown, it includes an outer casing 100, a refrigeration unit 3, cooling pipes 5, electrical and control components 6, cables, fire-fighting equipment, and multiple battery clusters 7;

[0043] The outer casing 100 includes a frame structure 1, inside which a battery compartment 8 and an engine compartment 9 are arranged; the engine compartment 9 is located at one end of the battery compartment 8; the battery compartment 8 is used to accommodate battery clusters 7, and the engine compartment 9 is used to accommodate a refrigeration device 3, electrical and control components 6, and fire-fighting devices; in a preferred embodiment, a partition is provided between the battery compartment 8 and the engine compartment 9.

[0044] The first area 101 and the second area 102 are arranged in the first direction inside the battery cabin 8, a plurality of first rows of racks 107 are arranged in the second direction in the first area 101 respectively; a plurality of second rows of racks 108 are arranged in the second direction in the second area 102 respectively; a single group of battery cluster placement areas 106 are formed between adjacent first rows of racks 107 and between adjacent second rows of racks 108;

[0045] A plurality of supporting plates 14 are arranged in the third direction on the first rows of racks 107 and the second rows of racks 108; the supporting plates 14 are used for placing battery clusters 7; the first area 101 and the second area 102 are symmetrically distributed with respect to the center plane of the battery cabin, and the number of battery clusters 7 contained in the first area 101 and the second area 102 is equal. In a preferred example, as shown in Figure 1 、 2 The positions of the plurality of first rows of racks 107 and the plurality of second rows of racks 108 match each other;

[0046] The first rows of racks 107 and the second rows of racks 108 each include a top supporting beam 12, a bottom supporting beam 13, a middle supporting beam 11 and a column 15; the top supporting beams 12 of the mutually matched first rows of racks 107 and the second rows of racks 108 are integrally connected, the bottom supporting beams 13 of the mutually matched first rows of racks 107 and the second rows of racks 108 are integrally connected, and the columns 15 of the mutually matched first rows of racks 107 and the second rows of racks 108 are integrally connected. In another possible implementation, the columns 15 of the mutually matched first rows of racks 107 and the second rows of racks 108 are the same column.

[0047] The third area 103, the fourth area 104 and the fifth area 105 are sequentially arranged in the first direction inside the cabin 9; the third area 103 and the fifth area 105 are used for containing refrigeration devices; the fourth area 104 is used for containing electrical and control components 6. The third area 103 and the fifth area 105 are symmetric with respect to the center plane of the cabin 9. A partition is arranged between the third area 103 and the fourth area 104 and between the fourth area 104 and the fifth area 105. Ventilation windows are arranged on the third area 103 and the fifth area 105, and the air inlet and outlet of the refrigeration device 3 faces the ventilation windows. Preferably, the ventilation windows can be arranged on the end face or the side face of the outer box body 100.

[0048] Each of the battery clusters 7 comprises a plurality of battery modules 2 and one or more control boxes 4, the battery modules 2 and the control box 4 in the same battery cluster 7 are accommodated in the same single battery cluster placement area 106 and are located on the supporting plates 14 of the first row of racks 107 or the second row of racks 108; the battery modules 2 in the same group are connected in series to the control box 4; in a preferred embodiment, the battery module comprises a battery pack, a shell and a panel assembly; in a preferred embodiment, the battery modules 2 in the same battery cluster 7 are connected in series by high-voltage lines and low-voltage lines. The control box 4 is electrically connected to the electrical and control assembly 6 by high-voltage lines and low-voltage lines. In a preferred embodiment, the high-voltage lines are high-voltage copper lines, and the low-voltage lines are communication wire harnesses. In a preferred embodiment, the battery module 2 further comprises a temperature sensor, a voltage sensor and a plurality of battery cells, the temperature and voltage parameters of the battery cells are transmitted to the outside of the battery module 2 by low-voltage lines.

[0049] The control box 4 can be accommodated on any one of the supporting plates 14, which is more ergonomic and convenient for operation. Figure 1 、 Figure 2 and Figure 3 As shown in FIGS. 6, 7 and 8, the rear end of the control box 4 is recessed in a first direction relative to the rear end of the battery module to form a sixth area 10; the control box is recessed in a second direction or a third direction to form a seventh area; the cable is accommodated in the sixth area 10 and the seventh area; the cable is used to connect the control box 4 and the electrical and control assembly 6, which can save the space occupied by the wiring and improve the aesthetic level of the box-type energy storage battery device; specifically, the width of the control box 4 is smaller than the width of the battery module 2, and the control boxes 4 in different battery clusters 7 are installed at the same height, so along the length direction of the frame structure 1, the sixth area 10 is formed; the length or height of the control box 4 is smaller than the length or height of the battery module 2, and the control boxes 4 in different battery clusters 7 are installed at the same height, so along the length or width direction of the frame structure 1, the seventh area is formed; the design of the sixth area 10 and the seventh area can make the electrical arrangement of the present application more reasonable.

[0050] In a preferred embodiment, the supporting plate 14 is provided with a sliding rail and a clamping structure, the battery module 2 can be more conveniently installed in place through the sliding rail, and then locked by the clamping structure to prevent the battery module 2 from falling. The battery modules 2 and the control boxes 4 arranged in the first area 101 and the second area 102 are respectively put into the frame structure 1 from the front and the rear of the frame structure 1.

[0051] The refrigeration device 3 is arranged in the third region 103 and / or the fifth region 105; the refrigeration device can be arranged in one of the regions or both regions. The refrigeration device 3 is connected to the battery cluster 7 in the first region 101 and / or the second region 102 through the cooling pipeline 5. Preferably, the refrigeration device 3 is arranged in the third region 103 and the fifth region 105; the refrigeration device 3 arranged in the third region 103 is connected to the battery cluster 7 in the first region 101 through the cooling pipeline 5; the refrigeration device 3 arranged in the fifth region 105 is connected to the battery cluster 7 in the second region 102 through the cooling pipeline 5.

[0052] The first direction is the width direction of the box-type energy storage battery device, the second direction is the length direction of the box-type energy storage battery device, and the third direction is the height direction of the box-type energy storage battery device.

[0053] In a preferred example, the number of refrigeration devices is two, which are a first refrigeration device 31 and a second refrigeration device 32; both the first refrigeration device 31 and the second refrigeration device 32 are water chillers. The first refrigeration device 31 is arranged in the third region 103, and the second refrigeration device 32 is arranged in the fifth region 105; preferably, the first refrigeration device 31 is connected to the battery cluster 7 in the first region 101 through the cooling pipeline 5; the second refrigeration device 32 is connected to the battery cluster 7 in the second region 102 through the cooling pipeline 5.

[0054] The outer box 100 further comprises a first facade and a second facade; in a preferred example, the first facade is an end face (such as the left end face and / or the right end face in Figure 2 ) of the frame structure 1, and the second facade is a side face (such as the front side face and / or the rear side face in Figure 2 ) of the frame structure 1. The first facade is provided with a first door corresponding in position and size to the electrical and control components; the second facade is provided with a second door corresponding in position and size to the refrigeration device and a plurality of third doors corresponding in position and size to the single battery cluster placement regions. In a preferred example, the outer box 100 further comprises a cover plate, and the top end of the frame structure 1 is provided with the cover plate.

[0055] The cooling pipeline 5 comprises a first cooling pipeline and a second cooling pipeline; the refrigeration device arranged in the third region 103 is connected to the battery cluster 7 in the first region 101 through the first cooling pipeline; the refrigeration device arranged in the fifth region 105 is connected to the battery cluster 7 in the second region 102 through the second cooling pipeline.

[0056] As shown in Figure 4 , the first cooling pipeline and the second cooling pipeline each comprise a third pipeline 53, a second pipeline 52, and a first pipeline 51.

[0057] The third pipeline 53 includes a first branch 531 connected with a first water port of the battery module 2, and a second branch 532 connected with a second water port of the battery module 2. In a preferred embodiment, the first water port is a cooling liquid inlet of the battery module 2, the second water port is a cooling liquid outlet of the battery module 2, the first branch 531 is a cooling liquid inlet pipeline, and the second branch 532 is a cooling liquid outlet pipeline.

[0058] The second pipeline 52 includes a plurality of first collecting pipes 521 and a plurality of second collecting pipes 522, the plurality of first branches 531 connected with the plurality of battery modules 2 in the same group of battery clusters 7 are collected into the same first collecting pipe 521, and the plurality of second branches 532 connected with the plurality of battery modules 2 in the same group of battery clusters 7 are collected into the same second collecting pipe 522. In a preferred embodiment, the first collecting pipe 521 is a cooling liquid inlet collecting pipe, and the second collecting pipe 522 is a cooling liquid outlet collecting pipe.

[0059] The first pipeline 51 includes a first main pipe 511 and a second main pipe 512, the plurality of first collecting pipes 521 are collected into the first main pipe 511, and the plurality of second collecting pipes 522 are collected into the second main pipe 512; the first pipeline 51 is connected with the refrigeration device 3. In a preferred embodiment, the first main pipe 511 is an inlet collecting header pipe, and the second main pipe 512 is an outlet collecting header pipe.

[0060] In a preferred embodiment, the frame structure 1 is integrally connected at the frame connection points by arc welding.

[0061] The box-type energy storage battery device provided by the application arranges the battery modules 2 in the first area 101 and the second area 102 (i.e. the front and rear sides of the container), arranges two water cooling machines in the cabin 9 (in another preferred embodiment, only one water cooling machine can be arranged in one of the third area 103 or the fifth area 105 of the cabin 9), arranges the electrical and control components 6 in the fourth area 104 between the third area 103 and the fifth area 105, which is very high in space utilization, can also be realized in assembly operation, and improves the overall energy storage capacity of the container.

[0062] The application improves the space utilization of the energy storage cabinet, can place more battery modules under the same space, improves the overall energy density, and thus improves the economic benefit. In addition, the application improves the production efficiency through the front and rear double-door symmetrical structure, and the two sides can be independently assembled. In addition, through the design of the plurality of door structures, each door structure is independently opened, which is convenient for production debugging and after-sales problem handling.

[0063] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like refer to the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0064] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which do not affect the essential content of the present application. The embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other without conflict, provided that the combinations do not conflict.

Claims

1. A tank-type energy storage battery device, characterized by, The application relates to a box-type energy storage battery device, which comprises an outer box body (100), a refrigerating device (3), a cooling pipeline (5), an electrical and control assembly (6), cables and a plurality of battery clusters (7). The outer box body (100) comprises a frame structure (1), and the frame structure (1) is internally provided with a battery cabin (8) and a machine cabin (9); the machine cabin (9) is located at one end of the battery cabin (8); the battery cabin (8) is used for accommodating the battery clusters (7), and the machine cabin (9) is used for accommodating the refrigerating device (3) and the electrical and control assembly (6). The battery cabin (8) is internally provided with a first region (101) and a second region (102) along a first direction, a plurality of first row frames (107) are arranged in the first region (101) along a second direction respectively, a plurality of second row frames (108) are arranged in the second region (102) along the second direction respectively, and single-group battery cluster placement areas (106) are formed between adjacent first row frames (107) and between adjacent second row frames (108). A plurality of supporting plates (14) are arranged on the first row frames (107) and the second row frames (108) along a third direction; the supporting plates (14) are used for placing the battery clusters (7). The machine cabin (9) is internally sequentially provided with a third region (103), a fourth region (104) and a fifth region (105) along the first direction; the third region (103) and the fifth region (105) are used for accommodating the refrigerating device; and the fourth region (104) is used for accommodating the electrical and control assembly (6). Each group of the battery clusters (7) comprises a plurality of battery modules (2) and one or more control boxes (4); the battery modules (2) and the control boxes (4) in the same group of battery clusters (7) are accommodated in the same single-group battery cluster placement area (106) and are located on the supporting plates of the first row frames (107) or the second row frames (108); and the battery modules (2) in the same group are connected to the control box (4) in series. The control box (4) is accommodated on any layer of supporting plates, the rear end of the control box (4) is recessed from the rear end of the battery module along the first direction by a certain length to form a sixth region (10); and the control box (4) is recessed along the second direction or the third direction to form a seventh region. The cables are accommodated in the sixth region (10) and the seventh region; the cables are used for connecting the control box (4) and the electrical and control assembly (6). The refrigerating device (3) is accommodated in the third region (103) and / or the fifth region (105); the refrigerating device (3) is connected with the battery clusters (7) in the first region (101) and / or the second region (102) through the cooling pipeline (5). The first direction is the width direction of the box-type energy storage battery device, the second direction is the length direction of the box-type energy storage battery device, and the third direction is the height direction of the box-type energy storage battery device.

2. A box-type energy storage battery device according to claim 1, characterized by A partition is arranged between the battery cabin (8) and the machine cabin (9).

3. A box-type energy storage battery device according to claim 1, wherein The first region (101) and the second region (102) are symmetrically distributed relative to the center surface of the battery cabin.

4. The box-type energy storage battery device of claim 1, wherein, The third region (103) and the fifth region (105) are symmetric relative to the center surface of the machine cabin (9).

5. The box-type energy storage battery device of claim 1, wherein The first region (101) and the second region (102) contain the same number of battery clusters (7).

6. The box-type energy storage battery device of claim 1, wherein The third region (103) and the fourth region (104) are separated by a partition, and the fourth region (104) and the fifth region (105) are also separated by a partition.

7. The box-type energy storage battery device according to claim 1, wherein The third region (103) and the fifth region (105) are provided with ventilation windows, and the air inlet and outlet of the refrigeration device (3) are opposite to the ventilation windows.

8. The box-type energy storage battery device of claim 1, wherein, The number of refrigeration devices is 2, which are the first refrigeration device (31) and the second refrigeration device (32). The first refrigeration device (31) is accommodated in the third region (103), and the second refrigeration device (32) is accommodated in the fifth region (105). The first refrigeration device (31) and the battery cluster (7) in the first region (101) are connected by a cooling pipeline (5); the second refrigeration device (32) and the battery cluster (7) in the second region (102) are connected by a cooling pipeline (5).

9. The box-type energy storage battery device according to claim 1, wherein The outer box (100) further comprises a first facade and a second facade; the first facade is provided with a first door, and the size and position of the first door correspond to the electrical and control components; the second facade is provided with a second door and a plurality of third doors, the size and position of the second door correspond to the refrigeration device, and the size and position of the third doors correspond to the single battery cluster placement area.

10. The box-type energy storage battery device of claim 1, wherein, The cooling pipeline (5) comprises a first cooling pipeline and a second cooling pipeline; the refrigeration device accommodated in the third region (103) and the battery cluster (7) in the first region (101) are connected by the first cooling pipeline; the refrigeration device accommodated in the fifth region (105) and the battery cluster (7) in the second region (102) are connected by the second cooling pipeline. The first cooling pipeline and the second cooling pipeline each comprise a third pipeline (53), a second pipeline (52), and a first pipeline (51). The third pipeline (53) comprises a plurality of first branches (531) and a plurality of second branches (532); the first branches (531) are connected to the first water inlets of the battery modules (2); the second branches (532) are connected to the second water inlets of the battery modules (2). The second pipeline (52) comprises a plurality of first manifold pipes (521) and a plurality of second manifold pipes (522); the plurality of first branches (531) connected to the plurality of battery modules (2) in the same battery cluster (7) are connected to the same first manifold pipe (521); the plurality of second branches (532) connected to the plurality of battery modules (2) in the same battery cluster (7) are connected to the same second manifold pipe (522). The first pipeline (51) comprises a first main pipe (511) and a second main pipe (512); the plurality of first manifold pipes (521) are connected to the first main pipe (511), and the plurality of second manifold pipes (522) are connected to the second main pipe (512); the first pipeline (51) is connected to the refrigeration device (3).

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