An energy storage cabinet

Abstract

The application provides an energy storage cabinet, comprising: a first cabinet body, a battery module is arranged in the first cabinet body, and a support frame is connected outside the battery module; a second cabinet body is detachably connected above the first cabinet body, a liquid cooling unit and a converter are arranged in the second cabinet body; wherein the liquid cooling unit and the converter are detachably connected to the support frame; or the liquid cooling unit and the converter are connected in layers, and one of the liquid cooling unit and the converter is detachably connected to the support frame. In this way, the energy storage cabinet adopts a modular design, the battery module, the liquid cooling unit and the converter serve as main functional modules, and the cabinet body is composed of two parts stacked in layers, which is more convenient for overall transfer, transportation, installation and maintenance. Moreover, during processing, the two parts can be independently processed, and the requirement for production line design is lower.

Description

Technical Field

[0001] This application relates to the field of energy storage technology, specifically to an energy storage cabinet. Background Technology

[0002] With the development of the energy storage industry, the application of energy storage cabinets is increasing, leading to a diversification of their overall layout and component arrangement. In the market, energy storage cabinets typically consist of a cabinet body, battery modules, liquid cooling units, and converters. The cabinet body is an integral structure, with the battery modules, liquid cooling units, and converters distributed vertically or horizontally within the cabinet. However, the cabinets are relatively large, requiring sophisticated production line design in actual production. Furthermore, the transportation of energy storage cabinets necessitates consideration of container height restrictions, resulting in numerous constraints and significant costs associated with the design, processing, and transportation of energy storage cabinet products. Utility Model Content

[0003] In view of this, this application provides an energy storage cabinet that is easy to process and transport, and has low requirements for production line design.

[0004] To achieve the above objectives, this application provides the following technical solution: An energy storage cabinet includes: A first cabinet, wherein a battery module and a support frame connected to the outside of the battery module are installed inside the first cabinet; The second cabinet is detachably connected to the top of the first cabinet, and the second cabinet is equipped with a liquid cooling unit and a converter. In this configuration, both the liquid cooling unit and the converter are detachably connected to the support frame; or, the liquid cooling unit and the converter are stacked together, and one of the liquid cooling unit and the converter is detachably connected to the support frame.

[0005] Optionally, the support frame includes a base, a crossbeam, and a column. The crossbeam and the base are located on the upper and lower sides of the battery module, respectively. The column is connected between the base and the crossbeam. The column and / or the crossbeam support the liquid cooling unit and the converter.

[0006] Optionally, the converter is stacked above the liquid-cooled unit and is detachably connected to the liquid-cooled unit.

[0007] Optionally, the top of the first cabinet is sealed with a first waterproof connector, and the liquid cooling unit is connected to the liquid cooling pipeline of the battery module through the first waterproof connector.

[0008] Optionally, the top of the first cabinet is sealed with a second waterproof connector, and the power cable between the inverter and the battery module passes through and is sealed inside the second waterproof connector.

[0009] Optionally, the top of the first cabinet is provided with a boss, the inside of which communicates with the inside of the first cabinet, and the second waterproof connector is provided on one side of the boss.

[0010] Optionally, the first cabinet includes a first protective cover that covers the outside of the battery module and is sealed to the base of the support frame.

[0011] Optionally, the base is provided with a forklift slot.

[0012] Optionally, the side of the first cabinet is provided with a maintenance window and a maintenance plate that closes the maintenance window. There are two maintenance windows, located at the top and bottom of the first cabinet, respectively.

[0013] Optionally, the side of the first cabinet is provided with a maintenance window and a maintenance panel that closes the maintenance window.

[0014] Optionally, the second cabinet includes a second protective cover, which covers the outside of the liquid chiller and the converter and is connected to the first cabinet.

[0015] Optionally, the second cabinet is provided with heat dissipation windows and heat dissipation holes on opposite sides.

[0016] The energy storage cabinet provided in this application, during use, has a second cabinet connected above the first cabinet. Simultaneously, the liquid cooling unit and converter are located above the first cabinet and connected to the battery modules. This allows the liquid cooling unit to provide cooling or heating to the battery modules, and the converter to control the electrical energy of the battery modules. During transportation, the second cabinet is separated from the first cabinet, and the liquid cooling unit and converter are also separated from the battery modules, using a separate stacking method to improve transportation convenience. This modular design, with the battery modules, liquid cooling unit, and converter as the main functional modules, and the cabinet consisting of two stacked parts, makes overall transfer, transportation, installation, and maintenance more convenient. Furthermore, during processing, they can be processed independently, reducing the requirements for production line design. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0018] Figure 1 An exploded view of an energy storage cabinet shown for some embodiments of this application.

[0019] Figure 2 A perspective view of an energy storage cabinet shown for some embodiments of this application.

[0020] Figure 3 The following is a rear view of an energy storage cabinet shown for some embodiments of this application.

[0021] Explanation of reference numerals in the attached drawings: 1. First protective cover; 11. First waterproof connector; 12. Second waterproof connector; 13. Boss; 14. Maintenance plate; 2. Second protective cover; 21. Heat dissipation hole; 3. Base; 31. Forklift slot; 4. Battery module; 5. Liquid cooling unit; 6. Inverter; 7. Column; 8. Crossbeam. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] like Figures 1-3 As shown in the illustration, this application provides an energy storage cabinet, including a first cabinet and a second cabinet stacked vertically. The second cabinet is stacked on top of the first cabinet. For example, the length and width of the first and second cabinets are consistent to ensure a relatively regular outer contour after the first and second cabinets are stacked together, facilitating manufacturing, transportation, and placement. The first and second cabinets are detachably connected. The specific connection method can be a snap-fit, abutment, bolt, or latch connection, etc., without specific limitations, as long as the connection between the first and second cabinets is stable during use and can be disassembled for transportation and placement.

[0024] The first cabinet contains a battery module 4 and a support frame. The support frame is located on the outer periphery of the battery module 4. The support frame can limit and support the battery module 4 to constrain it into a corresponding shape. At the same time, the support frame and the battery module 4 form an integral component. The support frame and the first cabinet can protect the battery module 4, and the support frame can provide internal support for the first cabinet. The three components complement each other in structure, which facilitates assembly and transportation.

[0025] The second cabinet houses a liquid-cooled unit 5 and a converter 6, which provide protection for these components. The liquid-cooled unit 5 controls the temperature within the liquid-cooled plate of the battery module 4, providing appropriate cooling or heating as needed. The converter 6 controls the electrical energy of the battery module 4, converting it into the appropriate form as required. By placing the liquid-cooled unit 5 and the converter 6 outside the first cabinet and making them independent, the volume of the first cabinet can be reduced, making the volumes of the first and second cabinets similar, thereby improving the ease of disassembly and transportation.

[0026] Furthermore, the liquid cooler unit 5 and the inverter 6 are detachably connected to the support frame, allowing them to be fixed and supported. The load-bearing points of the liquid cooler unit 5 and the inverter 6 are on the support frame, preventing pressure on the battery module 4 and thus protecting it. The support frame, located on the outer periphery of the battery module 4, has high structural strength, improving the installation stability of the liquid cooler unit 5 and the inverter 6. Here, either the liquid cooler unit 5 or the inverter 6 can be connected to the support frame, or both can be connected. When the liquid cooler unit 5 and the inverter 6 are arranged horizontally, both are fixed to the support frame. When the liquid cooler unit 5 and the inverter 6 are stacked vertically, one of them is connected to the support frame; for example, the one closer to the support frame is connected to it. During transportation, the second cabinet is separated from the first cabinet, and the liquid cooling unit 5 and the inverter 6 are separated from the support frame (battery module 4) and stacked separately to improve the convenience of transportation.

[0027] Understandably, the liquid chiller 5 and the inverter 6 need to be connected to the battery module 4 to establish a wiring connection between the liquid chiller 5 and the inverter 6 and the battery module 4. In operation, the second cabinet is connected above the first cabinet, and the liquid chiller 5 and the inverter 6 are located above the first cabinet and connected to the battery module 4. This allows the liquid chiller 5 to provide cooling or heating to the battery module 4, and the inverter 6 to control the electrical energy of the battery module 4.

[0028] With this configuration, the energy storage cabinet adopts a modular design, with battery module 4, liquid cooling unit 5, and converter 6 as the main functional modules. The cabinet consists of two stacked parts (i.e., the first cabinet and the second cabinet), which makes overall transfer, transportation, installation, and maintenance more convenient. Moreover, they can be processed separately and independently, which reduces the requirements for production line design.

[0029] The support frame includes a base 3, a crossbeam 8, and a column 7. The crossbeam 8 and base 3 are located on the upper and lower sides of the battery module 4, respectively. The base 3 provides load-bearing support for the battery module 4, and the crossbeam 8 prevents the top load from being applied to the battery module 4. The column 7 is located on the left and right sides of the battery module 4. The crossbeam 8 is connected to the column 7, and the base 3 is also connected to the column 7, so that the support frame formed by the connection wraps around and supports the battery module 4. Here, the support frame can be entirely located inside the first cabinet, or it can be partially located inside the first cabinet and partially outside the first cabinet. For example, the column 7 in the support frame penetrates through the top of the first cabinet. To meet the waterproof requirements of the battery module 4, a seal needs to be formed between the column 7 and the first cabinet. Alternatively, the base can be located at the bottom of the first cabinet, forming support for the first cabinet.

[0030] In this configuration, at least one of the liquid-cooled unit 5 and the inverter 6 is detachably connected to the support frame. When the liquid-cooled unit 5 and the inverter 6 are stacked vertically, either the liquid-cooled unit 5 or the inverter 6 is connected to the support frame. When the liquid-cooled unit 5 and the inverter 6 are arranged horizontally, both are connected to the support frame. The connection point for the liquid-cooled unit 5 or the inverter 6 can be a crossbeam 8 or a column 7 within the support frame. The detachable connection method for the liquid-cooled unit 5 or the inverter 6 can be a bolt or a locking connection. Thus, by supporting the liquid-cooled unit 5 and the inverter 6 with the support frame in the battery module 4, the positional stability of the liquid-cooled unit 5 and the inverter 6 relative to the battery module 4 can be improved, thereby enhancing the overall structural strength.

[0031] like Figure 1 As shown, the inverter 6 is detachably connected above the liquid-cooled unit 5, meaning the liquid-cooled unit 5 is positioned between the inverter 6 and the battery module 4, bringing the liquid-cooled unit 5 closer to the battery module 4 and saving on piping installation costs. Here, the detachable connection between the liquid-cooled unit 5 and the inverter 6 can be achieved using bolts or locking connections.

[0032] In practical applications, a first mounting interface is provided at the bottom of the liquid-cooled unit 5, through which it is installed and locked to the column 7 of the battery module 4. A second mounting interface is provided at the bottom of the inverter 6, through which it is installed and locked to the top of the liquid-cooled unit 5.

[0033] In some embodiments, a first waterproof connector 11 is provided on the top of the first cabinet. The first waterproof connector 11 penetrates the top of the first cabinet and is sealed to the first cabinet to achieve waterproofing and sealing between the first waterproof connector 11 and the first cabinet, thereby improving the protection level of the battery module 4 inside the first cabinet. The liquid cooling unit 5 is connected to the liquid cooling pipeline of the battery module 4 through the first waterproof connector 11. During installation, the end of the first waterproof connector 11 outside the first cabinet is connected to the liquid cooling unit 5, and the end of the first waterproof connector 11 inside the first cabinet is connected to the liquid cooling pipeline in the battery module 4. For example, the end of the first waterproof connector 11 is a quick plug, which can improve the ease of disassembly and assembly of the liquid cooling unit 5 and the battery module 4.

[0034] A second waterproof connector 12 is installed at the top of the second cabinet, penetrating the top of the first cabinet and forming a sealed connection with it. This achieves waterproofing and sealing between the second waterproof connector 12 and the first cabinet, thereby improving the protection level of the battery module 4 inside the first cabinet. The inverter 6 and the battery module 4 bracket are connected by a power cable. For example, one end of the power cable is plugged into the battery module 4, and the other end is plugged into the inverter 6, improving the ease of installation and removal of the inverter 6 and the battery module 4. The power cable passes through the interior of the second waterproof connector 12 to pass through the top of the first cabinet, and the power cable and the second waterproof connector 12 are sealed together to prevent moisture from entering the first cabinet through the gap between the first waterproof connector 11 and the power cable.

[0035] like Figure 1 As shown, a boss 13 is provided on the top of the first cabinet. The boss 13 can be cylindrical, prismatic, or cuboid in shape, but is preferably cuboid. The boss 13 is located on one side of the top of the first cabinet, and its interior is connected to the interior of the first cabinet. A second waterproof connector 12 is provided on one side of the boss 13, so that the second waterproof connector 12 protrudes from the top surface of the first cabinet, further improving the waterproof performance of the second waterproof connector 12 and preventing water accumulation on the top of the first cabinet from affecting the power cables inside the second waterproof connector 12.

[0036] In some embodiments, the first cabinet includes a first protective cover 1, which covers the outside of the battery module 4 and provides protection for the battery module 4. The bottom of the first protective cover 1 is sealed to the base 3. For example, the base 3 is provided with a sealing strip, which surrounds the outer periphery of the battery module 4. The first protective cover 1 and the base 3 are connected by screws, and the first protective cover 1 presses the sealing strip tightly onto the base 3. In this way, the first cabinet can be disassembled, which facilitates the installation of the battery module 4 and ensures that the protection level of the first cabinet is not lower than IP55.

[0037] A forklift slot 31 is provided on the side of the base 3. By cooperating with the forklift and the forklift slot 31, the first cabinet can be moved quickly.

[0038] A maintenance window and a maintenance plate 14 are provided on the side of the first cabinet (i.e., the side of the first protective cover 1). The maintenance plate 14 is connected to the side of the first cabinet and closes the maintenance window, which improves the protection level while enabling easy maintenance of the components inside the first cabinet. There are two maintenance windows, i.e., two maintenance plates 14 are also provided. The two maintenance windows are located at the top and bottom of the same side of the first cabinet, respectively. The maintenance window at the top allows maintenance of the wiring inside the first cabinet that connects to the liquid cooling unit 5 and the converter 6, while the maintenance window at the bottom allows maintenance of the wiring inside the first cabinet that connects to the external power supply. This two-window design eliminates the need for a full side opening, reduces the window size, and facilitates the sealing of the first cabinet both inside and out.

[0039] In some embodiments, the second cabinet includes a second protective cover 2. For example, the second cabinet is configured as a cover, and the second protective cover 2 covers the outside of the liquid cooler unit 5 and the converter 6, providing protection for them. The bottom of the second protective cover 2 is connected to the top of the first cabinet; for example, the second protective cover 2 is fixed to the top of the first protective cover 1 by screws. Thus, by omitting the bottom design of the second cabinet, the liquid cooler unit 5 and the battery module 4 can be separated only by the top of the first cabinet, facilitating through-hole installation.

[0040] Heat dissipation windows and vents 21 are provided on opposite sides of the second cabinet. Specifically, heat dissipation vents 21 are provided on the front of the second cabinet, and heat dissipation windows are provided on the back of the second cabinet to meet the heat dissipation requirements of the liquid-cooled unit 5 and the converter 6. Here, the heat dissipation vents 21 are set as cube-shaped holes.

[0041] In conjunction with the protrusion 13 on the top of the first cabinet, the heat dissipation window on the second cabinet extends to the bottom of the second cabinet and can be embedded in the protrusion 13, so that the second cabinet and the protrusion 13 can be avoided.

[0042] The basic principles of this application have been described above with reference to specific embodiments. However, it should be noted that the advantages, benefits, and effects mentioned in this application are merely examples and not limitations, and should not be considered as essential features of each embodiment of this application. Furthermore, the specific details disclosed above are for illustrative and facilitative purposes only, and are not limitations. These details do not limit the application to the necessity of employing the aforementioned specific details for implementation.

[0043] The block diagrams of devices, apparatuses, devices, and systems involved in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As those skilled in the art will recognize, these devices, apparatuses, devices, and systems can be connected, arranged, and configured in any manner. Words such as “comprising,” “including,” “having,” etc., are open-ended terms meaning “including but not limited to,” and are used interchangeably with them. The terms “or” and “and” as used herein refer to the terms “and / or,” and are used interchangeably with them unless the context clearly indicates otherwise. The term “such as” as used herein refers to the phrase “such as but not limited to,” and is used interchangeably with it.

[0044] It should also be noted that in the apparatus, equipment, and methods of this application, the components or steps can be disassembled and / or recombined. These disassemblies and / or recombinations should be considered as equivalent solutions of this application.

[0045] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use this application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of this application. Therefore, this application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0046] It should be understood that the qualifiers “first,” “second,” “third,” “fourth,” “fifth,” and “sixth” used in the description of the embodiments of this application are only used to more clearly illustrate the technical solutions and are not intended to limit the scope of protection of this application.

[0047] The above description has been given for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of this application to the forms disclosed herein. Although numerous exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.

Claims

1. An energy storage cabinet, characterized in that, include: A first cabinet, wherein a battery module and a support frame connected to the outside of the battery module are installed inside the first cabinet; The second cabinet is detachably connected to the top of the first cabinet, and the second cabinet is equipped with a liquid cooling unit and a converter. In this configuration, both the liquid cooling unit and the converter are detachably connected to the support frame; or, the liquid cooling unit and the converter are stacked together, and one of the liquid cooling unit and the converter is detachably connected to the support frame.

2. The energy storage cabinet according to claim 1, characterized in that, The support frame includes a base, a crossbeam, and a column. The crossbeam and the base are located on the upper and lower sides of the battery module, respectively. The column is connected between the base and the crossbeam. The column and / or the crossbeam support the liquid cooling unit and the converter.

3. The energy storage cabinet according to claim 1, characterized in that, The converter is stacked above the liquid-cooled unit and is detachably connected to the liquid-cooled unit.

4. The energy storage cabinet according to claim 1, characterized in that, The top of the first cabinet is sealed with a first waterproof connector, and the liquid cooling unit is connected to the liquid cooling pipeline of the battery module through the first waterproof connector.

5. The energy storage cabinet according to claim 1, characterized in that, The top of the first cabinet is sealed with a second waterproof connector, and the power cable between the inverter and the battery module passes through and is sealed inside the second waterproof connector.

6. The energy storage cabinet according to claim 5, characterized in that, The top of the first cabinet has a raised platform, the interior of which is connected to the interior of the first cabinet. The second waterproof connector is located on one side of the raised platform.

7. The energy storage cabinet according to claim 2, characterized in that, The first cabinet includes a first protective cover that covers the outside of the battery module and is sealed to the base of the support frame.

8. The energy storage cabinet according to claim 2, characterized in that, The base has a forklift slot.

9. The energy storage cabinet according to claim 1, characterized in that, The first cabinet has a maintenance window and a maintenance panel that closes the maintenance window on its side. There are two maintenance windows, located at the top and bottom of the first cabinet, respectively.

10. The energy storage cabinet according to claim 1, characterized in that, The second cabinet includes a second protective cover, which covers the outside of the liquid chiller and the converter and is connected to the first cabinet.

11. The energy storage cabinet according to claim 1, characterized in that, The second cabinet has ventilation windows and ventilation holes on opposite sides.

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