WO2024046364A1

WO2024046364A1 - Energy storage cabinet and energy storage system

Info

Publication number: WO2024046364A1
Application number: PCT/CN2023/115812
Authority: WO
Inventors: 眭加海; 尹雪芹; 曹虎; 李善鹏; 尹小强
Original assignee: 比亚迪股份有限公司
Priority date: 2022-08-31
Filing date: 2023-08-30
Publication date: 2024-03-07
Also published as: CN117638411A

Abstract

An energy storage system, comprising an energy storage cabinet. The energy storage cabinet comprises a plurality of battery packs, at least one connecting assembly and a segmentation assembly. The plurality of battery packs are stacked. The connecting assembly is arranged on a corresponding battery pack, and the connecting assembly at least comprises two connecting ends arranged at intervals, the two connecting ends being used to be connected to corresponding battery packs respectively. The segmentation assembly comprises at least one electric connecting member and at least one partition member, the electric connecting member and the partition member being connected in a staggered mode, and the electric connecting member and the partition member being slidably arranged on the connecting assembly, so that the electric connecting member is electrically connected to corresponding two of the connecting ends, or the partition member partitions the corresponding two of the connecting ends.

Description

Energy storage cabinets and energy storage systems

Cross-references to related applications

This application claims priority to the Chinese patent application with application number 202211055412.6 and titled "Energy Storage Cabinet and Energy Storage System" submitted to the State Intellectual Property Office of China on August 31, 2022, the entire content of which is incorporated herein by reference. Applying.

Technical field

This application relates to the field of battery energy storage technology, and in particular, to an energy storage cabinet and an energy storage system.

Background technique

With the development of new energy, the application of energy storage batteries is becoming more and more widespread, and the safety of energy storage batteries and energy storage cabinets has also received more and more attention. In the energy storage standards of energy storage cabinets, multiple battery packs are connected in series or parallel, and the voltage of a single module is ≥240V, which requires a segmentation device to ensure its safety.

In the existing technology, disconnected segmented structures are commonly used between multiple battery packs in energy storage cabinets, and a segmented structure is provided between every two adjacent modules. This results in low segmentation efficiency and assembly failure. Or the operations during maintenance and disassembly are cumbersome, making it inconvenient to manage and maintain multiple battery packs.

Contents of the invention

This application aims to solve at least one of the technical problems existing in the prior art. To this end, on the one hand, this application proposes an energy storage cabinet that can quickly switch on and off multiple battery packs and is simple and convenient to operate.

The energy storage cabinet according to the embodiment of the present application includes: a plurality of battery groups, a plurality of the battery groups are arranged in a stack; at least one connection component, at least one of the connection components is provided on the corresponding battery group, the connection The assembly includes at least two connecting ends arranged at intervals, and the two connecting ends are respectively used to connect the corresponding battery packs; a segmented assembly, the segmented assembly includes: at least one electrical connection piece and at least one partition piece, The electrical connectors and the partition members are interlacedly connected, and the electrical connectors and the partition members are slidably disposed on the connection assembly, so that the electrical connectors electrically connect the corresponding two connections. end, or the partition member blocks the corresponding two connecting ends.

Thus, by staggering the electrical connectors and partitions, the electrical connectors and partitions are slidably disposed on the connection component, so that the segmented component only needs to slide relative to the connection component to selectively connect the electrical connectors. The two corresponding connection ends are electrically connected, or the partition member is used to isolate the two corresponding connection ends, thereby realizing quick switching on and off of multiple battery packs, and the operation is simple and convenient.

According to some embodiments of the present application, at least one of the connecting components is disposed on two adjacent battery packs, and one of the two connecting terminals of the at least one connecting component is a positive terminal and the other is a negative terminal. Connection end, the positive electrode connection end is connected to the positive electrode of one battery pack, and the negative electrode connection end is connected to the negative electrode of the other battery pack.

According to some embodiments of the present application, the electrical connection component is a metal component, and the partition component is a non-metal component.

According to some embodiments of the present application, the electrical connection member and the partition member are threadedly connected.

According to some embodiments of the present application, the energy storage cabinet further includes: a limiting seat, the limiting seat is spaced apart from the connecting component, and the segmented component further includes: an operating member, the operating member is connected to The electrical connection member or the partition member and the operating member are movably provided on the limiting seat.

According to some embodiments of the present application, the electrical connector is covered with an insulating sleeve, and both ends of the electrical connector at least partially protrude from the insulating sleeve.

According to some embodiments of the present application, the connection assembly includes: a connection base and two connectors, the two connectors are provided on the connection base, one end of the connector is the connection end, and the The electrical connector and the partition are slidably disposed on the connector.

According to some embodiments of the present application, a protective disk is provided on the partition member and/or the electrical connector, and the protective disk selectively abuts and limits the connector or the connection base.

According to some embodiments of the present application, the connector includes: a first connecting head, a second connecting head and a connecting piece, the connecting piece is connected between the first connecting head and the second connecting head, so The first connector is provided at the connection end, and the connection base is also provided with a mounting hole. Two connectors are disposed in the mounting hole, and the electrical connector and the partition are slidably disposed in the second connector.

According to some embodiments of the present application, the first connector is a cylindrical contact, the second connector includes a connecting sleeve and an elastic connection terminal, the connecting sleeve is sleeved on the outside of the elastic connection terminal, and the The inner diameter of the elastic connection terminal gradually increases in a direction extending from the middle to both ends, and the electrical connector and the partition member pass through the elastic connection terminal.

According to some embodiments of the present application, the elastic connection terminal includes two connection rings and a plurality of terminal bodies. The two connection rings are provided at both ends of the plurality of terminal bodies. The two connection rings are respectively connected to The two ends of the connecting sleeve are limitedly matched, and a plurality of the terminal bodies are circumferentially spaced between the two connecting rings. The terminal bodies gradually move radially outward in a direction extending from the middle to both ends. Side bend settings.

According to some embodiments of the present application, the limiting seat is provided with a first limiting groove and a second limiting groove, and the operating member selectively limits the first limiting groove or the second limiting groove. position matching, wherein when one of the first limiting groove and the second limiting groove is limited and matched with the operating member, the partition member blocks the corresponding two connecting ends, and the third When the other one of a limiting groove and the second limiting groove is limited and matched with the operating member, the electrical connector electrically connects the corresponding two connecting ends.

According to some embodiments of the present application, the energy storage cabinet further includes: at least one connection harness, at least one battery pack is provided with a harness connection port, and the connection harness is connected to the corresponding wire harness connection port and the corresponding between the connecting ends.

According to some embodiments of the present application, the segmented assembly includes a plurality of the electrical connectors and a plurality of the partitions.

On the other hand, this application also proposes an energy storage system, including: at least one energy storage cabinet according to any of the above embodiments; and a control system, the control system is electrically connected to the at least one energy storage cabinet and Collection and monitoring of signals used to control the energy storage cabinet.

According to some embodiments of the present application, the number of energy storage cabinets is multiple, and the plurality of energy storage cabinets are connected in parallel.

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

Description of drawings

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

Figure 1 is a schematic diagram of an energy storage cabinet according to an embodiment of the present application;

Figure 2 is a partial schematic diagram of an energy storage cabinet according to an embodiment of the present application;

Figure 3 is a partial schematic diagram of an energy storage cabinet according to an embodiment of the present application;

Figure 4 is a schematic diagram of a limiting seat, a connecting component and a segmented component according to an embodiment of the present application;

Figure 5 is a schematic diagram of a segmented component according to an embodiment of the present application;

Figure 6 is a schematic diagram of a connection assembly according to an embodiment of the present application;

Figure 7 is an exploded view of a connector according to an embodiment of the present application;

Figure 8 is a schematic diagram of an energy storage system according to an embodiment of the present application.

Reference signs:
1000. Energy storage cabinet; 2000. Energy storage system; Control system 1001;
200. Battery pack; 201. Wiring harness connection port; 300. Connection harness;
10. Limiting seat; 11. First limiting slot; 12. Second limiting slot;
20. Connecting component; 21. Connecting end; 22. Connecting seat; 221. Mounting hole; 23. Connector; 231. First connector; 2311. Protective cap;
232. Second connector; 2321. Connecting sleeve; 2322. Elastic connecting terminal; 23221. Connecting ring; 23222. Terminal body; 233. Connecting piece;
30. Segmented components; 31. Electrical connectors; 311. Insulating sleeves; 32. Partition parts; 321. Protective plates; 33. Control parts.

Detailed ways

The embodiments described with reference to the drawings are exemplary, and the embodiments of the present application are described in detail below.

The energy storage cabinet 1000 according to the embodiment of the present application is described below with reference to Figures 1-7.

As shown in FIGS. 1-4 , the energy storage cabinet 1000 according to the embodiment of the present application may mainly include multiple battery groups 200 , at least one connection component 20 and at least one segment component 30 . At least one connection component 20 is disposed on the corresponding battery pack 200 . The connection component 20 includes at least two connecting terminals 21 arranged at intervals, and the two connecting terminals 21 are respectively used to connect corresponding battery packs 200 . The segmented assembly 30 may mainly include: at least one electrical connector 31 and at least one partition 32, the electrical connectors 31 and the partitions 32 are staggeredly connected, the electrical connectors 31 and the partitions 32 are slidably disposed on the connection assembly 20, In this way, the electrical connection member 31 is electrically connected to the two corresponding connection ends 21 , or the partition member 32 is used to block the corresponding two connection ends 21 .

Specifically, when assembling the energy storage cabinet 1000, multiple battery packs 200 can be stacked first, and the connection assembly 20 is provided on the battery pack 200, and the connection assembly 20 includes at least two spaced apart connection ends 21, so that The two connection terminals 21 can be connected to the corresponding battery pack 200, so that the electrical connection between the connection assembly 20 and the corresponding battery pack 200 can be achieved. It should be noted that in some embodiments of the present application, the battery pack 200 is formed by directly arranging multiple batteries. In other embodiments of the present application, the battery pack 200 can also be an existing conventional battery module. .

Further, by staggering the electrical connectors 31 and partition members 32 on the segmented assembly 30, the electrical connectors 31 and the partition members 32 are slidably disposed on the connecting assembly 20, so that the segmented assembly 30 can be positioned relative to the segmented assembly 30. The connecting component 20 slides and switches the position of the segmented component 30 relative to the connecting component 20, so that the electrical connector 31 can be selectively electrically connected to the two connecting terminals 21, thereby realizing the battery pack 200 electrically connected to the two connecting terminals 21. conduction between the two connection terminals 21, or the partition member 32 is used to isolate the two connection terminals 21 to realize the disconnection between the battery pack 200 that is electrically connected to the two connection terminals 21. In this way, it is only necessary to make the segmented component 30 relative to the connecting component 20 By sliding, the multiple battery packs 200 can be quickly connected and disconnected, making the multiple battery packs 200 easier and more convenient to assemble and maintain the multiple battery packs 200 .

It should be noted that the energy storage cabinet 1000 may include multiple connection components 20. Correspondingly, the segmented component 30 may include multiple electrical connectors 31 and multiple partitions 32. The connection components 20, the electrical connectors 31 and the partitions 32 The number of pieces 32 can be adjusted according to the number of battery packs 200.

Therefore, by staggering the electrical connectors 31 and the partitions 32, the electrical connectors 31 and the partitions 32 are slidably disposed on the connection component 20, so that the segmented component 30 only needs to slide relative to the connection component 20. The electrical connector 31 is selectively electrically connected to the two connection ends 21 , or the partition member 32 is used to isolate the two connection ends 21 , thereby realizing rapid switching on and off of multiple battery packs 200 , and the operation is simple and convenient.

As shown in FIGS. 1-3 , at least one connection component 20 is provided on two adjacent battery packs 200 . Each connection component 20 may include two connection terminals 21 , one of the two connection terminals 21 is a positive connection. terminal, the other is a negative terminal, the positive terminal is connected to the positive terminal of one battery pack 200 , and the negative terminal is connected to the negative terminal of another battery pack 200 . Specifically, the connection component 20 may include two connection terminals 21 , one of which is a positive connection terminal and the other a negative connection terminal. In this way, when the connection component 20 is disposed on two adjacent battery packs 200 , the positive connection terminals can be connected. The positive and negative terminals of one battery pack 200 can be connected to the negative pole of another battery pack 200, so that the series connection between two adjacent battery packs 200 can be realized through the connecting assembly 20, and the connection between the two adjacent battery packs 200 can be realized. The series connection between them is simpler and more reliable.

Further, the positive electrode and the negative electrode of the battery pack 200 are respectively disposed on both sides of the battery pack 200. For example, the positive electrode and the negative electrode of the battery pack 200 are disposed on the left and right sides of the battery pack 200 respectively. In two adjacent battery packs 200, The positive electrode of one is arranged on the left side and the negative electrode is arranged on the right side, and the positive electrode of the other of the two adjacent battery packs 200 is arranged on the right side and the negative electrode is arranged on the left side.

After multiple battery packs 200 are stacked, the positive electrodes and negative electrodes on one side of the multiple battery packs 200 are staggered, and the positive electrodes and negative electrodes on the other side of the multiple battery packs 200 are staggered. The multiple battery packs 200 are connected in series. The connection assembly 20 is disposed on one side of the plurality of battery packs 200 and between two adjacent battery packs 200. The sliding of the segment assembly 30 on the connection assembly 20 can selectively connect the spaces between the two adjacent battery packs 200. The series connection connects or separates.

It should be noted that the connecting component 20 and the segmented component 30 can be disposed on one side of the multiple battery packs 200 , so that even if the positive and negative electrodes on the other side of the multiple battery packs 200 are electrically connected, the multiple battery packs 200 cannot be connected. in series.

In some embodiments, there may be two battery packs 200 and one connecting component 20 may be provided on both battery packs 200 . One connection end 21 of the connection assembly 20 is used to connect to one of the battery packs 200 , and the other connection end 21 of the connection assembly 20 is used to connect to the other battery pack 200 . The segmented assembly 30 includes an electrical connector 31 and a partition 32. When the segmented assembly 30 slides to the first position relative to the battery pack 200, When set, the electrical connector 31 connects the two corresponding connection terminals 21 so that the two battery packs 200 are electrically connected. When the segmented assembly 30 slides to the second position relative to the battery pack 200, the partition member 32 blocks the corresponding two connection ends 21, so that the two battery packs 200 are electrically disconnected.

In other embodiments, there may be three battery packs 200 and one connecting component 20 may be provided on two adjacent battery packs 200 . At this time, the segmented assembly 30 may include an electrical connector 31 and a partition 32 . By controlling the sliding position of the segment assembly 30, power can be switched on and off between the two adjacent battery packs 200.

In other embodiments, the battery packs 200 may be provided with four, and the connection assembly 20 may be provided with one and be disposed on two adjacent battery packs 200 (for example, the connection assembly 20 is disposed on the second battery pack and the third battery pack 200 ). Between the battery groups, from top to bottom, the four battery groups 200 are respectively denoted as the first battery group, the second battery group, the third battery group and the fourth battery group). At this time, the segmented assembly 30 may include an electrical connector 31 and a partition 32 . By controlling the sliding position of the segment assembly 30, power can be switched on and off between the two adjacent battery packs 200.

In other embodiments, the battery packs 200 may be provided with five, and the connection assembly 20 may be provided with one and be disposed on two adjacent battery packs 200 (for example, the connection assembly 20 is disposed on the second battery pack and the third battery pack 200 ). Between the battery groups, from top to bottom, the five battery groups 200 are respectively denoted as the first battery group, the second battery group, the third battery group, the fourth battery group and the fifth battery group). At this time, the segmented assembly 30 may include an electrical connector 31 and a partition 32 . By controlling the sliding position of the segment assembly 30, power can be switched on and off between the two adjacent battery packs 200. Of course, two connection components 20 may also be provided, one connection component 20 is provided between the first battery group and the second battery group, and one connection component 20 is provided between the third battery group and the fourth battery group. At this time, the segmented assembly 30 may include two electrical connectors 31 and two partition members 32. The electrical connectors 31 and the partition members 32 are alternately arranged and connected in sequence. The two connection ends 21 of each connection component 20 are electrically connected through corresponding electrical connectors 31 or disconnected through corresponding partitions 32 .

It should be noted that in this application, the number of battery packs 200, the number of connection components 20, the number of electrical connectors 31 and partitions 32 is not specifically limited, and they can be set according to actual needs. For example, there are eight battery packs 200 that are stacked in the up and down direction. From top to bottom, the eight battery packs 200 are denoted as a first battery pack, a second battery pack, and an eighth battery pack. The first battery pack and the eighth battery pack are There is no connecting component 20 between the two battery groups, a connecting component 20 is installed between the second battery group and the third battery group, and so on, a connecting component 20 is installed between the sixth battery group and the seventh battery group, and the connecting component 20 is installed between the seventh battery group and the seventh battery group. No connecting component 20 is provided between the battery pack and the eighth battery pack. Correspondingly, there may be three connection components 20 . From top to bottom, the three connection components 20 are respectively marked as the first connection component, the second connection component and the third connection component. The first connection component is used to connect the second battery pack. and a third battery group, the second connection component is used to connect the fourth battery group and the fifth battery group, and the third connection component is used to connect the sixth battery group and the seventh battery group. The segmented assembly 30 may include three electrical connectors 31 and three partitions 32, and the electrical connectors 31 and the partitions 32 are alternately arranged and connected in sequence. The two connection ends 21 of each connection component 20 are electrically connected through corresponding electrical connectors 31 or disconnected through corresponding partitions 32 .

Further, the electrical connection member 31 is a metal piece, and the partition member 32 is a non-metal piece. Specifically, the electrical connector 31 can be configured as a metal piece, so that when the electrical connector 31 moves relative to the connection assembly 20, the electrical connector 31 can realize the connection between the electrical connector 31 and the connection through selective contact with the connection assembly 20. Selective electrical connections between components 20. The partition member 32 is configured as a non-metallic piece, so that when the partition member 32 moves relative to the connection component 20, the partition member 32 can selectively contact the connection component 20 to achieve selectivity between the partition member 32 and the connection component 20. Therefore, the connection between the two connecting ends 21 at the end of the connecting component 20 can be made simpler and more convenient, and the manufacturing cost of the segmented component 30 can be reduced.

As shown in FIG. 5 , the electrical connector 31 and the partition 32 are threaded. Specifically, the electrical connector 31 and the partition 32 can be threaded, which not only makes the connection and disassembly between the electrical connector 31 and the partition 32 simpler and more reliable, but also facilitates the adjustment of the electrical connector 31 and the partition 32 quantity, thereby facilitating the assembly and maintenance of the segmented assembly 30.

As shown in FIGS. 2 to 4 , the energy storage cabinet 1000 may also include a limiting seat 10 , and the limiting seat 10 and the connecting component 20 are spaced apart. The segmented assembly 30 may also include an operating member 33 connected to the electrical connection member 31 or the partition member 32 , and the operating member 33 is movably provided on the limiting seat 10 . Specifically, by connecting the operating member 33 to the electrical connection member 31 or the partition member 32 and movably disposing the operating member 33 on the limiting seat 10 , the electrical connection member 31 or the isolation member 32 can be operated by operating the operating member 33 . The member 32 slides relative to the connection assembly 20 to realize on/off connection between multiple battery packs 200, and the limiting seat 10 can limit the displacement of the operating member 33, ensuring the status of the electrical connection member 31 and the partition member 32 relative to the connection assembly 20. stability of position Qualitative. In this way, just by operating the operating member 33 and making the operating member 33 reciprocate relative to the limiting seat 10, the multiple battery packs 200 can be quickly switched on and off, and the multiple battery packs 200 can be switched on and off. It is simpler and more convenient, and more stable and reliable.

As shown in FIG. 4 , the electrical connector 31 is covered with an insulating sleeve 311 , and both ends of the electrical connector 31 at least partially protrude from the insulating sleeve 311 . Specifically, when the electrical connector 31 is electrically connected to the connection assembly 20, the electrical connector 31 may be charged. By placing an insulating sleeve 311 on the electrical connector 31, both ends of the electrical connector 31 are at least partially removed from the insulating sleeve. 311, so that on the premise of ensuring that both ends of the electrical connector 31 can be selectively electrically connected to the connecting component 20, the live electrical connector 31 can be prevented from being directly exposed, and human hands can be prevented from accidentally touching the live electrical connection. If an electric shock occurs due to the component 31, the safety of the energy storage cabinet 1000 can be further improved.

As shown in FIG. 6 , the connection assembly 20 may mainly include a connection base 22 and two connectors 23 . The two connectors 23 are disposed on the connection base 22 . One end of the connector 23 is a connection end 21 , an electrical connector 31 and a partition. The member 32 is slidably disposed on the connector 23. Specifically, by disposing the two connectors 23 on the connection base 22, the connection base 22 can cover and protect the two connectors 23, thereby ensuring the structural stability of the connectors 23. Further, by arranging one end of the connector 23 as the connecting end 21, the electrical connector 31 and the partition 32 are slidably arranged on the connector 23, so that the electrical connector 31 and the partition 32 can be connected relative to each other. The connector 23 slides so that the electrical connector 31 and the partition 32 are selectively connected to the connector 23, thereby realizing connection and disconnection between the two connectors 23, and enabling communication between multiple battery packs 200. Breaking is easier.

Further, as shown in FIGS. 4 and 5 , a protective disk 321 is provided on the partition 32 and/or the electrical connector 31 , and the protective disk 321 selectively abuts and cooperates with the connector 23 or the connection base 22 . Specifically, the protective plate 321 is provided on the partition 32 and/or the electrical connection 31 . In this way, on the one hand, when the user operates the operating member 33, the protective plate 321 can abut and cooperate with the connector 23 or the connecting base 22, thereby preventing the segmented assembly 30 from moving excessively relative to the connecting assembly 20, and the segmented assembly can be adjusted. The movement of 30 acts as a precise limiter, improving the reliability of the energy storage cabinet 1000 and improving the user experience; on the other hand, by adding the protective plate 321, the creepage distance requirements can be met between adjacent electrical connectors 31 , which can improve the safety of the energy storage cabinet 1000. It should be noted that the protective plate 321 is located between the electrical connection member 31 and the partition member 32 .

As shown in FIGS. 6 and 7 , the connector 23 may mainly include a first connecting head 231 , a second connecting head 232 and a connecting piece 233 . The connecting piece 233 is connected between the first connecting head 231 and the second connecting head 232 , and the first connecting head 231 is provided at the connecting end 21 . The connecting base 22 is also provided with a mounting hole 221. The second connector 232 is disposed in the mounting hole 221. The electrical connector 31 and the partition 32 are slidably disposed in the second connector 232.

Specifically, by disposing the first connector 231 at the connection end 21, the first connector 231 can be electrically connected to the battery pack 200, and by disposing the second connector 232 in the mounting hole 221 on the connection base 22, In this way, the mounting hole 221 can play a role in fixing the second connector 232. By allowing the electrical connector 31 and the partition 32 to be slidably disposed in the second connector 232, the second connector 232 can be selectively connected to the electrical connector 232. The connecting piece 31 or the partitioning piece 32 is connected, and the connecting piece 233 is connected between the first connecting head 231 and the second connecting head 232, thus ensuring the conduction between the first connecting head 231 and the second connecting head 232. , in this way, on the premise of ensuring that the two ends of the connector 23 can be selectively electrically connected to the segmented assembly 30 and the battery pack 200 respectively, and ensuring the normal operation of the energy storage cabinet 1000, the connector 23 can conform to the connection base 22, and the segmented assembly 200. The structure and relative arrangement position of the segment assembly 30 and the battery pack 200 can optimize the structural design of the connector 23 and improve the structural compactness of the energy storage cabinet 1000.

Further, as shown in FIGS. 6 and 7 , the first connector 231 is a cylindrical contact, and the second connector 232 may mainly include a connecting sleeve 2321 and an elastic connecting terminal 2322 . The connecting sleeve 2321 is sleeved on the elastic connecting terminal 2322 On the outside, the inner diameter of the elastic connection terminal 2322 gradually increases in the direction extending from the middle to both ends. The electrical connection member 31 and the partition member 32 pass through the elastic connection terminal 2322. Specifically, the first connector 231 can be configured as a cylindrical contact, which can increase the electrical contact area of the first connector 231, thereby improving the reliability and stability of the electrical connection between the first connector 231 and the battery pack 200. sex. Among them, the front end of the first connector 231 can also be provided with a protective cap 2311, which can prevent the first connector 231 from being directly exposed, prevent human hands from accidentally touching the live first connector 231 and cause electric shock, and can further improve energy storage. Cabinet 1000's of security.

Further, the connection sleeve 2321 is set on the outside of the elastic connection terminal 2322. The inner diameter of the elastic connection terminal 2322 gradually increases in the direction extending from the middle to both ends. The electrical connection member 31 and the partition member 32 are penetrated by the elastic connection terminal. 2322, which can prevent the elastic connection terminal 2322 from being connected to the electrical connection member 31 and the partition member 32 at the same time, and can improve the reliability of the connection and disconnection between the two connection ends 21 of the segmented assembly 30.

As shown in FIG. 7 , the elastic connection terminal 2322 may mainly include two connection rings 23221 and a plurality of terminal bodies 23222. The two connection rings 23221 are provided at both ends of the plurality of terminal bodies 23222, and the two connection rings 23221 are respectively connected to The two ends of the sleeve 2321 are limited to fit, with multiple terminal bodies 23222 is circumferentially spaced between the two connecting rings 23221, and the terminal body 23222 is gradually bent toward the radially outer side in a direction extending from the middle to both ends. Specifically, by disposing the two connecting rings 23221 at both ends of the plurality of terminal bodies 23222, the two connecting rings 23221 are respectively limitedly matched with the two ends of the connecting sleeve 2321, so that the elastic connection terminals 2322 can be positioned in the connecting sleeve 2321. The stable arrangement within prevents the segmented component 30 from driving the elastic connection terminal 2322 to move when it moves relative to the elastic connection terminal 2322, thereby ensuring the normal operation of the elastic connection terminal 2322.

Further, by arranging a plurality of terminal bodies 23222 circumferentially spaced between the two connecting rings 23221, the terminal bodies 23222 are gradually bent toward the radially outer side in a direction extending from the middle to both ends, so that in the electrical connection When the elastic connection terminal 2322 is inserted through the component 31, the electrical connector 31 can be interference-fitted with the elastic connection terminal 2322, and the electrical connector 31 can squeeze the terminal body 23222 outward, so that the electrical connector 31 and the terminal body 23222 can form a reliable contact to realize the electrical connection between the electrical connector 31 and the elastic connection terminal 2322, and can ensure the stability and reliability of the electrical connection between the electrical connector 31 and the elastic connection terminal 2322, thereby improving the reliability of the energy storage cabinet 1000 sex.

As shown in FIGS. 2-4 , the limit seat 10 is provided with a first limit groove 11 and a second limit groove 12 , and the operating member 33 selectively interacts with the first limit groove 11 or the second limit groove 12 Limiting fit, wherein when one of the first limiting groove 11 and the second limiting groove 12 is limited and matched with the operating member 33, the partition member 32 blocks the two second connectors 232, and the first limiting groove 11 and When the other of the second limiting grooves 12 is limited and matched with the operating member 33, the electrical connector 31 electrically connects the two second connectors 232.

Specifically, by providing the first limiting groove 11 and the second limiting groove 12 on the limiting seat 10 , when the user operates the operating member 33 to move relative to the limiting seat 10 , the operating member 33 can selectively interact with the first limiting groove 11 and the second limiting groove 12 . The limiting groove 11 or the second limiting groove 12 is limitedly engaged, and correspondingly, when one of the first limiting groove 11 and the second limiting groove 12 is limitedly engaged with the operating member 33, the partition member 32 can The two connecting ends 21 are separated, so that the battery packs 200 connected by the two connecting ends 21 are disconnected from each other. When the other one of the first limiting groove 11 and the second limiting groove 12 is limited and matched with the operating member 33, The electrical connector 31 can electrically connect the two connection ends 21 so that the battery packs 200 connected to the two connection ends 21 can be electrically connected to each other. In this way, the operating member 33 only needs to be selectively connected to the first limiting groove 11 or the second limiting groove 11 . When the limiting groove 12 is limited and matched, the connection between the two second connectors 232 can be realized, so that the connection between the battery packs 200 corresponding to the two second connectors 232 can be realized, and the user can Positioning the segmented component 30 more accurately can improve the user experience, ensure the reliability of the positional status of the segmented component 30, prevent the segmented component 30 from being displaced unintentionally by the user, and further improve storage capacity. Can cabinet 1000's of reliability.

In some specific embodiments, when one of the first limiting groove 11 and the second limiting groove 12 is limited and matched with the operating member 33, the partition member 32 can block the corresponding two second connectors 232, thereby achieving The two corresponding connection ends 21 are separated. When the other one of the first limiting groove 11 and the second limiting groove 12 is limited and matched with the operating member 33, the electrical connector 31 can electrically connect the corresponding two second connectors 232, thereby electrically connecting the corresponding two second connectors 232. Two connection terminals 21.

As shown in FIGS. 1 to 3 , the energy storage cabinet 1000 may also include at least one connection harness 300 . At least one battery pack 200 is provided with a harness connection port 201 . The connection harness 300 is connected to the corresponding wire harness connection port 201 and the corresponding connection. between end 21. Specifically, by connecting the connecting wire harness 300 between the corresponding wire harness connection port 201 and the corresponding connecting end 21 of the connecting component 20, it is only necessary to move the segmented component 30 relative to the limiting seat 10 and the connecting component 20. Multiple battery packs 200 can be selectively switched on and off, ensuring that the voltage of the battery packs 200 is limited to a safe range, making the internal switching of the energy storage cabinet 1000 simpler and more convenient, and facilitating the operation of the energy storage cabinet 1000. Assembly and maintenance.

Furthermore, the connection wire harness 300 can be a soft wire harness. In this way, on the premise of ensuring that the connection wire harness 300 can be quickly plugged into the wire harness connection port 201 and the connection end 21, the soft wire harness can not only be adapted to multiple battery packs 200, connection components 20 and The arrangement position between the segmented components 30 can effectively offset installation and assembly tolerances and improve the installation accuracy of the energy storage cabinet 1000. It should be noted that the distance between two adjacent wire harness connection ports 201 needs to be larger than the electrical clearance of the energy storage cabinet 1000, so that the safety of the energy storage cabinet 1000 can be improved.

In addition, the embodiment of the present application also provides an energy storage system 2000, as shown in Figure 8, which includes at least one energy storage cabinet 1000 and a control system 1001 of any of the above embodiments. The control system 1001 and the at least one energy storage cabinet 1000 is electrically connected and used to control the acquisition and monitoring of signals of the energy storage cabinet 1000.

The energy storage cabinet 1000 of the present application alternately connects the electrical connectors 31 and partition members 32 on the segmented components 30, so that the electrical connectors 31 and the partition members 32 are slidably disposed on the connecting components 20, so that the segments can be The component 30 slides relative to the connecting component 20 and switches the position of the segmented component 30 relative to the connecting component 20, so that the electrical connector 31 can be selectively electrically connected to the two connecting terminals 21, thereby realizing a battery pack electrically connected to the two connecting terminals 21. 200, or the partition 32 is used to isolate the two connecting terminals 21 to achieve disconnection between the battery packs 200 that are electrically connected to the two connecting terminals 21. In this way, it is only necessary to connect the segmented components 30 relative to each other. With 20 slides, you can quickly switch on and off multiple battery packs 200, making it easier and more convenient to switch on and off multiple battery packs 200, and facilitate the assembly of multiple battery packs 200 in the energy storage cabinet 1000. and maintenance, which can facilitate the assembly and maintenance of the energy storage system.

According to some embodiments of the present application, the number of energy storage cabinets 1000 is multiple, and the multiple energy storage cabinets 1000 are connected in parallel.

Optionally, the number of energy storage cabinets 1000 is 10, but is not limited to this.

Optionally, the control system 1001 may include a battery control unit, a fire control unit, a thermal control unit, etc., but is not limited thereto. For example, the thermal control unit may control the collection of temperature information of the battery cabinet 1000 .

In the description of this application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis" The orientation or positional relationship indicated by "radial direction", "circumferential direction", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply the device or device referred to. Elements must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations on the application.

In the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like is intended to be in conjunction with the implementation. An example or example describes a specific feature, structure, material, or characteristic that is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Although the embodiments of the present application have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principles and purposes of the present application. The scope of the application is defined by the claims and their equivalents.

Claims

An energy storage cabinet (1000), which is characterized by including:

A plurality of battery packs (200), a plurality of the battery packs (200) are arranged in a stack;

At least one connection component (20), at least one of the connection components (20) is provided on the corresponding battery pack (200), the connection component (20) includes at least two spaced apart connection terminals (21), The two connecting terminals (21) are respectively used to connect the corresponding battery packs (200); and

Segmentation component (30), said segmentation component (30) includes:

at least one electrical connector (31); and

At least one partition (32), the partition (32) and the electrical connector (31) are staggeredly connected, and the partition (32) and the electrical connector (31) are slidably disposed on the on the connection assembly (20), so that the electrical connector (31) electrically connects the two corresponding connection ends (21), or the partition member (32) blocks the two corresponding connection ends (21). twenty one).
The energy storage cabinet (1000) according to claim 1, characterized in that at least one of the connection components (20) is provided on two adjacent battery groups (200), and at least one of the connection components (200) One of the two connecting terminals (21) of 20) is a positive terminal and the other is a negative terminal. The positive terminal is connected to the positive terminal of one battery pack (200), and the negative terminal is connected to the other terminal. The negative electrode of the battery pack (200).
The energy storage cabinet (1000) according to claim 1 or 2, characterized in that the electrical connection part (31) is a metal part, and the partition part (32) is a non-metal part.
The energy storage cabinet (1000) according to any one of claims 1-3, characterized in that the electrical connector (31) and the partition member (32) are threaded.
The energy storage cabinet (1000) according to any one of claims 1-4, further comprising:

Limiting seat (10), the limiting seat (10) and the connecting component (20) are arranged at intervals,

The segmented assembly (30) also includes an operating member (33). The operating member (33) is connected to the electrical connection member (31) or the partition member (32). The operating member (33) can It is movably arranged on the limiting seat (10).
The energy storage cabinet (1000) according to claim 5, characterized in that the connection component (20) includes:

connection base (22); and

Two connectors (23), two of the connectors (23) are arranged on the connection base (22), one end of the connector (23) is the connection end (21), and the electrical connection The component (31) and the partition component (32) are slidably disposed on the connector (23).
The energy storage cabinet (1000) according to claim 6, characterized in that a protective plate (321) is provided on the partition (32) and/or the electrical connector (31), and the protective plate (321) 321) selectively abuts and limits the connector (23) or the connecting seat (22).
The energy storage cabinet (1000) according to claim 6 or 7, characterized in that the connector (23) includes:

The first connector (231);

second connector (232); and

Connecting piece (233), the connecting piece (233) is connected between the first connecting head (231) and the second connecting head (232), the first connecting head (231) is provided on the At the connection end (21), the connection base (22) is also provided with a mounting hole (221), the second connector (232) is disposed in the mounting hole (221), and the electrical connector (221) 31) and the partition member (32) are slidably disposed in the second connector (232).
The energy storage cabinet (1000) according to claim 8, characterized in that the first connector (231) is a cylindrical contact, and the second connector (232) includes:

Connecting sleeve (2321); and

Elastic connection terminal (2322), the connection sleeve (2321) is set on the outside of the elastic connection terminal (2322), and the inner diameter of the elastic connection terminal (2322) gradually increases in the direction extending from the middle to both ends. The electrical connection member (31) and the partition member (32) pass through the elastic connection terminal (2322).
The energy storage cabinet (1000) according to claim 9, characterized in that the elastic connection terminal (2322) includes:

Two connecting rings (23221); and

A plurality of terminal bodies (23222), two connecting rings (23221) are provided at both ends of the plurality of terminal bodies (23222), and the two connecting rings are respectively connected to both ends of the connecting sleeve (2321). With limited fit, a plurality of terminal bodies (23222) are circumferentially spaced between the two connecting rings (23221). The terminal bodies (23222) gradually move toward the radial direction in the direction extending from the middle to both ends. Bend the setting outward.
The energy storage cabinet (1000) according to any one of claims 5-10, characterized in that the limiting seat (10) is provided with a first limiting groove (11) and a second limiting groove (11). 12), the operating member (33) selectively cooperates with the first limiting groove (11) or the second limiting groove (12), wherein,

When one of the first limiting groove (11) and the second limiting groove (12) is limited and matched with the operating member (33), the partition member (32) blocks the corresponding two corresponding ones. When the connecting end (21), the other one of the first limiting groove (11) and the second limiting groove (12) is limited and matched with the operating member (33), the electrical connector (31) Electrically connect the two corresponding connection ends (21).
The energy storage cabinet (1000) according to any one of claims 1-11, further comprising:

At least one connection harness (300), at least one battery pack (200) is provided with a harness connection port (201), and the connection harness (300) is connected to the corresponding wire harness connection port (201) and the corresponding all between the connecting ends (21).
The energy storage cabinet (1000) according to any one of claims 1-12, characterized in that the electrical connector (31) is covered with an insulating sleeve (311), and the electrical connector (31) Both ends at least partially protrude from the insulating sleeve (311).
The energy storage cabinet (1000) according to any one of claims 1-13, characterized in that the segmented assembly (30) includes a plurality of said electrical connectors (31) and a plurality of said partitions. (32).
An energy storage system (2000), characterized by including:

At least one energy storage cabinet (1000) according to any one of claims 1-14; and

Control system (1001), the control system (1001) is electrically connected to the at least one energy storage cabinet (1000) and is used to control the acquisition and monitoring of signals of the energy storage cabinet (1000).
The energy storage system (2000) according to claim 15, characterized in that the number of energy storage cabinets (1000) is multiple, and the plurality of energy storage cabinets (1000) are connected in parallel.