Modular energy storage cabinet

Abstract

The utility model discloses a modular energy storage cabinet, which comprises a cabinet body and one or more placement components, realizes flexible configuration of functional units through modular design, can adapt to different capacity and function requirements, and can quickly mount and dismount each module. The utility model also discloses a use method of the modularized energy storage cabinet, which realizes compatibility of requirements of the system on different capacities and different configurations. According to the device provided by the utility model, a user can more effectively manage the structure of the energy storage cabinet according to actual requirements during use, and the utilization efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to modular energy storage cabinet technical field, especially a modular energy storage cabinet. BACKGROUND

[0002] In the past five years, the energy consumption of China's secondary industry has been increasing. In 2023, the national industrial and information technology work conference pointed out that China will vigorously promote new industrialization, make the most of advantages, make up for shortcomings, and cultivate emerging industries. The electricity consumption of the secondary industry with non-high load energy will continue to grow. With the continuous increase of electricity consumption, the secondary and tertiary industries mainly composed of industry and commerce urgently need to accelerate low-carbon transformation, which further promotes the development of industrial and commercial energy storage market in China. Since 2023, time-of-use electricity price policy has been gradually implemented in various parts of China, and the peak-valley price difference continues to expand, and the economy of industrial and commercial energy storage is increasingly prominent.

[0003] The integrated design of industrial and commercial energy storage outdoor cabinet includes battery system, battery management system, thermal management system, fire fighting system, energy management system, energy storage converter, high-voltage control system and AC power distribution system and other components. The system capacity of the common industrial and commercial energy storage cabinet on the market is 215kWh, 232kWh, 261kWh, etc. Different capacities or the same capacity but different customer and site requirements are different, therefore, there is an urgent need for an industrial and commercial energy storage cabinet with strong compatibility, modularity and easy replacement and installation to meet these diverse needs. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model is proposed.

[0005] Therefore, the problem to be solved by the utility model is the complexity of energy storage cabinet configuration, poor compatibility, and difficulty in installation and maintenance.

[0006] To solve the above technical problems, the first object of the utility model is to provide a modular energy storage cabinet, which comprises a cabinet body and one or more installation components.

[0007] As a preferred scheme of the modular energy storage cabinet of the utility model, the cabinet body is provided with a cabinet door piece that can be opened and closed on the front side, and a plurality of column pieces for component installation are arranged inside; and one or more installation components are provided with an installation warehouse capable of placing systems inside and a bracket matched with the column pieces outside; the installation components are detachably arranged between the column pieces through the bracket.

[0008] As a preferred scheme of the modular energy storage cabinet of the utility model, the cabinet door piece comprises a first cabinet door and a second cabinet door, and the first cabinet door is arranged on one side of the second cabinet door.

[0009] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0010] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0011] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0012] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0013] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0014] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0015] As a preferred scheme of the modular energy storage cabinet, the cabinet body further comprises a partition member, the partition member comprises a vertical partition and a horizontal partition; the vertical partition is arranged between the cabinet bodies and cooperates with the first cabinet door and the second cabinet door opposite the cabinet door; the horizontal partition is arranged on one side of the vertical partition; the vertical partition and the horizontal partition divide the cabinet body into three parts.

[0016] The modular energy storage cabinet has the advantages that the placement bin of the utility model can freely adjust the position and size of the space occupied by each system of the energy storage cabinet under the cooperation of the column member and the support, and is easy to configure, has good compatibility, and is simple to install and maintain.

[0017] The user can more effectively manage the energy storage cabinet structure according to actual needs, and improve the utilization efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Fig. 1 It is a front view of the modular energy storage cabinet body.

[0020] Fig. 2 It is an oblique view of the modular energy storage cabinet.

[0021] Fig. 3 It is a front view of the modular energy storage cabinet.

[0022] Fig. 4 It is an oblique view of the modular energy storage cabinet. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor does it mean that the embodiment is mutually exclusive or selective with other embodiments.

[0026] Embodiment 1

[0027] Reference Figs. 1-4 In the first embodiment of the present application, the embodiment provides a modular energy storage cabinet, which comprises a cabinet body 100 and one or more installation assemblies 200.

[0028] The cabinet body 100 is the framework of the entire energy storage cabinet, providing necessary structural support and protection. It ensures that all installed components 200 and internal components can be safely and stably installed and fixed; the cabinet body 100 is provided with a cabinet door piece 101 and a column piece 102, the cabinet door piece 101 is the external protective barrier of the energy storage cabinet, which can prevent dust, water, foreign matter and the like from entering the interior of the cabinet body when closed, and facilitate adjustment of the battery capacity of the energy storage cabinet and the position and configuration of each component when opened; the column piece 102 is used to cooperate with the installed component 200 and is a support structure inside the cabinet body, providing installation positions for each functional module to ensure the internal structural stability of the entire system, and the column piece 102 is provided with threaded holes, providing installation points for one or more installed components 200. By adjusting the installation positions on the column piece 102, different types of installed components 200 can be flexibly configured to adapt to different needs, ensuring the functionality, safety and flexibility of the energy storage cabinet.

[0029] The installed component 200 is used to accommodate and protect various systems, including an installed compartment 201 for placing the system and a bracket 202 for conveniently installing and dismounting various functional systems; the installed compartment 201 is installed on the column piece 102 through the bracket 202, and the position and size of the installed compartment 201 can be adjusted by adjusting the position and spacing of the bracket 202 to adapt to different functional systems. The modular design of the installed component 200 makes maintenance and replacement more convenient, reduces maintenance time and cost, and enables the system to not only meet the needs of different users, but also improve maintenance efficiency and service life.

[0030] In use, first, the capacity of the required battery system and the configuration requirements of each component are confirmed according to the needs, the bracket 202 of the installed component 200 and the column piece 102 of the cabinet body 100 are cooperated, the position and size of the installed compartment 201 are adjusted, each functional module of the energy storage cabinet is installed, and each functional module is electrically connected, after installation, all connections and fixation are checked, necessary tests are performed, and normal operation of the system is ensured.

[0031] Embodiment 2

[0032] Reference Figs. 1-4 As a second embodiment of the utility model, this embodiment is based on the previous embodiment. The embodiment provides a modular energy storage cabinet.

[0033] Specifically, the cabinet door piece 101 includes a first cabinet door 101a and a second cabinet door 101b, and the first cabinet door 101a is arranged on one side of the second cabinet door 101b. The cabinet door piece 101 serves as the external protective barrier of the energy storage cabinet, which can prevent dust, water, foreign matter and the like from entering the interior of the cabinet body, and cooperate with the partition piece 103 to partition the cabinet body 100, facilitating installation and debugging of the energy storage cabinet.

[0034] Specifically, the cabinet body 100 further comprises a partition member 103 for dividing the internal space of the cabinet body to ensure the independence and safety of each functional area. The partition member 103 comprises a vertical partition 103a and a horizontal partition 103b. The vertical partition 103a is arranged between the cabinet bodies 100 and cooperates with the first cabinet door 101a and the second cabinet door 101b at the opposite position, so as to divide the cabinet door member 101 into two parts, which are controlled to be opened and closed by the first cabinet door 101a or the second cabinet door 101b, respectively. The horizontal partition 103b is arranged at one side of the vertical partition 103a, and the horizontal partition 103b further divides one of the two parts of the cabinet door member 101 into two parts. The vertical partition 103a and the horizontal partition 103b divide the internal space of the cabinet body 100 into three parts. The largest part at one side of the vertical partition 103a is the electrical compartment 300, the top part of the horizontal partition 103b is the battery compartment 400, and the bottom part of the horizontal partition 103b is the liquid cooling machine compartment 500.

[0035] Specifically, the mounting assembly 200 has three groups, which are arranged at one side of the vertical partition 103a away from the horizontal partition 103b, the top of the horizontal partition 103b, and the bottom of the horizontal partition 103b. The electrical compartment 300 at one side of the vertical partition 103a, the battery compartment 400 at the top of the horizontal partition 103b, and the liquid cooling machine compartment 500 at the bottom of the horizontal partition 103b are all installed in the corresponding mounting compartment 201 and are mounted on the column member 102 of the cabinet body 100 through the support 202 of the mounting assembly 200.

[0036] Specifically, the column member 102 comprises a first column 102a and a second column 102b. The first column 102a has four columns, which are arranged at the four corners of the space formed by one side of the vertical partition 103a without the horizontal partition 103b and the cabinet body 100. The second column 102b has four columns, which are arranged at the four corners of the space formed by one side of the vertical partition 103a with the horizontal partition 103b and the cabinet body 100. The horizontal partition 103b separates the second column 102b at one side of the vertical partition 103a.

[0037] The first column 102a is used to mount the electrical compartment 300, the top of the second column 102b is used to mount the battery compartment 400, and the bottom of the second column 102b is used to mount the liquid cooling machine compartment 500.

[0038] When the vertical partition 103a and the horizontal partition 103b divide the internal space of the cabinet body 100, full welding is used to connect the cabinet body 100 and the partition member 103, so that the battery compartment 400 is completely independent, thereby ensuring that the protection level of the battery compartment 400 is high enough.

[0039] Specifically, the electrical bin 300 is arranged in the installation assembly 200 on one side of the vertical partition plate 103a; the electrical bin 300 is internally provided with a fire-fighting unit module 301, a high-voltage box module 302, an energy storage converter module 303, and an alternating current box module 304; the fire-fighting unit module 301 monitors real-time temperature, smoke and other fire-related parameters in the cabinet, and sends out an audible and visual alarm signal when an abnormality is detected, and automatically starts a fire extinguishing device when a fire is detected, thereby improving the safety of the system and preventing the occurrence and spread of fire accidents; the high-voltage box module 302 converts high-voltage electricity of the battery system 401 into a voltage suitable for use of the energy storage converter, and simultaneously provides overvoltage, overcurrent, short-circuit and other protections, and can also isolate the battery system from the energy storage converter during maintenance or failure, thereby ensuring safe and reliable transmission of electric energy from the battery system to the energy storage converter; the energy storage converter module 303 converts direct current into alternating current, or converts alternating current into direct current, connects the energy storage system with the power grid, realizes bidirectional flow of electric energy, controls the charging and discharging process of the battery, optimizes the performance of the system, and is a key component for connecting the battery system and the power grid; the alternating current box module 304 distributes alternating current output by the energy storage converter to different loads or power grids, provides overload, short-circuit and other protections, simultaneously monitors and records the use of electric energy, can manage the electric energy output of the energy storage system, and ensures safe distribution and use of electric energy.

[0040] Specifically, the battery bin 400 is arranged in the installation assembly 200 on the top of the horizontal partition plate 103b; the battery bin 400 is internally provided with multiple groups of battery systems 401, can accommodate and protect the multiple groups of battery systems 401, and simultaneously provides necessary heat dissipation and environmental control for the energy storage cabinet; each battery system 401 is composed of multiple battery monomers or battery modules, stores electric energy when power is sufficient, and provides power support for loads when needed, such as during power grid failure or demand peak, and is used to balance the load of the power grid and stabilize the power output.

[0041] Specifically, the liquid cooling machine bin 500 is arranged in the installation assembly 200 on the bottom of the horizontal partition plate 103b, and is used to provide cooling for the battery system and ensure that the battery works within an optimal temperature range; the liquid cooling machine bin 500 is internally provided with a liquid cooling machine 501, which carries away heat generated by the battery system through circulating cooling liquid, maintains the battery system within a working temperature range, improves the performance and service life of the battery, can automatically adjust the cooling power according to the temperature of the battery, realizes energy-saving operation, and the liquid cooling machine 501 is connected with the battery system through a liquid cooling pipeline 502 to form a closed cooling circulation system.

[0042] Specifically, the column member 102 is provided with a plurality of threaded holes on the side surface, and is screwed with the bracket 202; the bracket 202 has multiple groups, and the fire-fighting unit module 301, the high-voltage box module 302, the energy storage converter module 303, the alternating current box module 304, the battery system 401 and the liquid cooling machine 501 are installed on the column member 102 through the bracket 202. The column member 102 provides a fixed point for the installation of various functional modules, and when the bracket 202 is adjusted in position on the column member 102, it can adapt to the size of the storage bin 201, fix the functional modules of different sizes on the column member 102, and the threaded connection allows the quick installation and disassembly of each functional module, facilitating the assembly, maintenance and upgrading of the system.

[0043] In use, first, according to the requirements of the required capacity of the battery system and the configuration requirements of each component, the support 202 of the installation assembly 200 and the column piece 102 of the cabinet body 100 are matched, the size of the position of the installation bin 201 is adjusted, the fire unit module 301, the high-voltage box module 302, the energy storage converter module 303 and the alternating current box module 304 are respectively installed into the corresponding installation bin 201 in the electrical bin 300, each module is fixed through the threaded hole matching of the support 202 and the column piece 102, and the firmness of the installation position and the spacing between the modules meet the heat dissipation and operation requirements; in the installation bin 201 at the top of the transverse partition plate 103b, a plurality of battery systems 401 are installed in place according to the design plan. The spacing between the battery systems 401 is adjusted through the threaded fixing of the support 202 and the column piece 102 to ensure the heat dissipation requirement; in the installation bin 201 at the bottom of the transverse partition plate 103b, the liquid cooling machine 501 is installed. The liquid cooling machine is stably fixed to the column piece 102 through the support 202, and the liquid cooling pipeline 502 is connected to form a closed cooling circulation system; the electrical interfaces of all functional modules are connected according to the design requirements, the electrical connection is firm and correct, the cable layout is neat and meets the safety specifications, the fixing conditions of all functional modules in the cabinet body 100 are checked, the threaded connection between the column piece 102 and the support 202 is firm, the full-welded connection of the partition piece 103 is crack-free, it is verified whether the layout of each module meets the plan, the installation position of the support 202 is adjusted to ensure that the space division is reasonable, then the fire unit module is tested, the high temperature or smoke condition in the cabinet is simulated, the sound and light alarm function and the starting condition of the fire extinguishing device are checked, the electrical function test is passed, the battery system 401, the high-voltage box module 302, the energy storage converter module 303 and the alternating current box module 304 are tested in turn, it is confirmed that the voltage conversion, energy flow and system protection function are normal, the cooling system test is passed, the liquid cooling machine 501 is started, the cooling liquid circulation condition and temperature control performance are monitored, it is ensured that the system can maintain the battery working in the best temperature range, finally, the energy storage cabinet is comprehensively detected, including the firmness of the mechanical structure, the reliability of the electrical connection and the coordination of the functions of each module, and the system is tried to run, different loads and working environments are simulated, the comprehensive performance of the energy storage cabinet in grid access, power distribution, load balancing and heat dissipation is verified, after all the installation and adjustment are completed, it is ensured that the system meets the design standard and can safely and efficiently run in actual application, and a reliable energy storage solution is provided for industrial and commercial users.

[0044] Embodiment 3

[0045] Reference Figs. 1-4 For the third embodiment of the utility model, the embodiment is based on the first two embodiments. The basic logic based on the use of industrial and commercial equipment is provided, and the display of high compatibility characteristics is provided. The specific operation mode of the designed energy storage cabinet and the cooperation and integration process between each element module in the structure are provided.

[0046] In use, before this, do good confirmation and planning work, to ensure that the energy storage cabinet can meet the specific application requirements, and realize the flexibility and compatibility brought by modular design, first confirm the capacity requirement of the battery system 401 in the battery compartment 400, the capacity of different battery systems 401 needs to use corresponding function modules, generally the more the capacity, the more function modules need to be matched, to ensure that the energy storage cabinet can meet the power supply requirements of the target load. Then confirm the configuration requirements of each component, select the specifications and quantities of the fire unit module 301, the high-voltage box module 302, the energy storage converter module 303 and the AC box module 304 in the electrical compartment 300, to ensure that they match the battery capacity, select the model of the liquid cooling machine 501 in the liquid cooling machine compartment 500 according to the heat generation characteristics of the battery system, to ensure that its cooling capacity can meet the heat dissipation requirements of the high-density battery system, according to the size of each module, plan the specific position and spacing of the support 202 in the cabinet body 100, to ensure that the structure is stable and the layout is reasonable. When assembling, according to the capacity of the battery system 401 and the configuration requirements of each component, flexibly adjust the layout and installation position of the energy storage cabinet, allocate appropriate space for each module by adjusting the installation position and installation spacing of the support 202 on the column piece 102, to ensure that the spacing between components meets the heat dissipation and operation requirements. After assembling, start testing, test the fire unit module, simulate high temperature or smoke conditions in the cabinet, check the sound and light alarm function and the starting condition of the fire extinguishing device, test the electrical function, test the battery system 401, the high-voltage box module 302, the energy storage converter module 303 and the AC box module 304 in turn, to confirm that the voltage conversion, energy flow and system protection function are normal, test the cooling system, start the liquid cooling machine 501, monitor the cooling liquid circulation and temperature control performance, to ensure that the system can maintain the battery working in the best temperature range, finally, comprehensively detect the energy storage cabinet, including the stability of the mechanical structure, the reliability of the electrical connection and the coordination of the functions of each module, and test run the system, simulate different loads and working environments, verify the comprehensive performance of the energy storage cabinet in grid connection, power distribution, load balancing and heat dissipation, after completing all assembly and debugging, to ensure that the system meets the design standard and can safely and efficiently run in actual application, to provide reliable energy storage solutions for industrial and commercial users.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that modifications or equivalent replacements can be made to the technical solutions of the present application without departing from the spirit and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A modular energy storage cabinet, characterized by: The utility model relates to a modular energy storage cabinet, including, Cabinet (100) is provided with openable cabinet door piece (101) at the front, and the inside is provided with a plurality of groups of vertical column pieces (102) for component installation, One or more installation components (200) are provided with an installation bin (201) capable of placing a system inside, and a support (202) is provided outside and matched with the vertical column piece (102), The installation component (200) is detachably arranged between the vertical column piece (102) through the support (202), The side of the vertical column piece (102) is provided with a plurality of threaded holes, and the support (202) is screwed; The cabinet door piece (101) includes a first cabinet door (101a) and a second cabinet door (101b), and the first cabinet door (101a) is arranged on one side of the second cabinet door (101b); The cabinet (100) further includes a partition piece (103), and the partition piece (103) includes a vertical partition (103a) and a horizontal partition (103b); the vertical partition (103a) is arranged between the cabinet (100) and matched with the first cabinet door (101a) and the second cabinet door (101b) opposite; the horizontal partition (103b) is arranged on one side of the vertical partition (103a); the vertical partition (103a) and the horizontal partition (103b) divide the cabinet (100) into three parts; A liquid cooling machine bin (500) is arranged in the installation component (200) at the bottom of the horizontal partition (103b), and the liquid cooling machine bin (500) is provided with a liquid cooling machine (501); An electrical bin (300) is arranged in the installation component (200) on one side of the vertical partition (103a), and the electrical bin (300) is provided with a fire-fighting unit module (301), a high-voltage box module (302), an energy storage converter module (303) and an alternating current box module (304); A battery bin (400) is arranged in the installation component (200) at the top of the horizontal partition (103b), and the battery bin (400) is provided with a plurality of battery systems (401).

2. The modular energy storage cabinet of claim 1, wherein: The installation component (200) has three groups, which are arranged on one side of the vertical partition (103a) away from the horizontal partition (103b), at the top of the horizontal partition (103b) and at the bottom of the horizontal partition (103b).

3. The modular energy storage cabinet of claim 1, wherein: The vertical column piece (102) includes a first vertical column (102a) and a second vertical column (102b); the first vertical column (102a) has four roots, which are arranged at the four corners of the space formed by the side of the vertical partition (103a) without the horizontal partition (103b) and the cabinet (100); the second vertical column (102b) has four roots, which are arranged at the four corners of the space formed by the side of the vertical partition (103a) with the horizontal partition (103b) and the cabinet (100), and the horizontal partition (103b) separates the second vertical column (102b) on one side of the vertical partition (103a).

4. The modular energy storage cabinet of claim 3, wherein: The support (202) has multiple groups, and the fire-fighting unit module (301), the high-voltage box module (302), the energy storage converter module (303), the AC box module (304), the battery system (401), and the liquid cooling machine (501) are installed on the vertical column (102) through the support (202).

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