Central control cabinet, energy storage device and power supply system

Abstract

This application discloses a central control cabinet, an energy storage device, and a power supply system, relating to the field of energy storage technology. The central control cabinet includes: a cabinet body forming a receiving cavity; a mounting frame fixed within the receiving cavity, comprising a support and multiple trays; the support has multiple bearing surfaces distributed along the height direction of the cabinet body; the multiple trays and the multiple bearing surfaces correspond one-to-one, and each tray is detachably fixed to its corresponding bearing surface; wherein the uninterruptible power supply includes a control host and a power module, and each tray is used to support the control host or the power module.

Description

Technical Field

[0001] This application relates to the field of energy storage technology, and more specifically, to a central control cabinet, an energy storage device, and a power supply system. Background Technology

[0002] An energy storage system mainly comprises an energy storage device consisting of an energy storage container and energy storage units, enabling the storage and release of electrical energy within the system. The energy storage container houses multiple energy storage units to ensure the overall electrical capacity of the energy storage device. Additionally, the energy storage device includes a central control cabinet, which houses uninterruptible power supplies (UPS) and other electrical components. These UPS components are electrically connected to the energy storage units within the energy storage container, allowing for the monitoring of the charging and discharging status of the energy storage units.

[0003] In related technologies, uninterruptible power supplies include a control host and a power module, and the control host and power module are fixed in a stacked manner in the central control cabinet. This not only affects the safety of the control host and power module, but also increases the difficulty of maintenance of the control host and power module. Summary of the Invention

[0004] A primary objective of this application is to provide a central control cabinet, energy storage device, and power supply system that can ensure the safety and reliability of uninterruptible power supply and reduce maintenance difficulty.

[0005] To achieve the above-mentioned objectives, this application adopts the following technical solution: According to one aspect of this application, a central control cabinet is provided, comprising: a cabinet body forming a receiving cavity; a mounting frame fixed within the receiving cavity, and including a support and a plurality of trays, the support having a plurality of bearing surfaces distributed along the height direction of the cabinet body, the plurality of trays and the plurality of bearing surfaces corresponding one-to-one, and each tray being detachably fixed to a corresponding bearing surface; wherein, an uninterruptible power supply includes a control host and a power module, and each tray is used to support the control host or the power module.

[0006] In this embodiment, the control host and power module can be installed through multiple bearing surfaces on the bracket to avoid mutual squeezing between the control host and power module and ensure their safety. In addition, the detachable fixing of the tray on the bearing surface facilitates the disassembly of the control host and power module on the bracket, thereby facilitating the maintenance of the control host and power module and improving the maintenance efficiency of the control host and power module.

[0007] According to one embodiment of this application, a limiting strip is provided on the bearing surface; the length direction of the limiting strip is parallel to the width direction of the cabinet, and the limiting strip and the corresponding tray abut against each other along the depth direction of the cabinet.

[0008] In this embodiment, the limiting strip provided on the bearing surface can limit the pallet along the depth direction of the cabinet to avoid over-installation of the pallet on the corresponding bearing surface along the depth direction of the cabinet, thereby improving the positioning and assembly efficiency of the pallet on the corresponding bearing surface.

[0009] According to one embodiment of this application, the limiting strip has a limiting hole disposed along the depth direction of the cabinet; the tray has a limiting arm facing the limiting strip, and the limiting arm is inserted into the limiting hole.

[0010] In this embodiment, by combining the limiting arm with the limiting hole for limiting, the pallet side near the back plate can be limited and assembled on the bearing surface, thereby improving the stability of the pallet assembly on the bearing surface by combining the pallet with the fixing of the pallet on the bearing surface.

[0011] According to one embodiment of this application, the bearing surface is provided with a guide strip, the length direction of the guide strip is parallel to the depth direction of the cabinet, and the guide strip and the corresponding tray are limited and abutted along the width direction of the cabinet.

[0012] In this embodiment of the application, the guide strip on the bearing surface can limit the assembly position of the pallet on the bearing surface, thereby ensuring the alignment efficiency of the pallet upper limit arm and the upper limit hole of the limit strip.

[0013] According to one embodiment of this application, a positioning structure is provided on the bearing surface, and the limiting strip cooperates with the positioning structure to limit the movement and is fixed on the bearing surface.

[0014] In this embodiment, the positioning of the limiting strip on the bearing surface can be quickly achieved based on the limiting cooperation between the positioning structure and the limiting strip, thereby improving the assembly efficiency of the limiting strip on the bearing surface.

[0015] According to one embodiment of this application, the support includes a main frame and a plurality of support plates fixed on the main frame; the plurality of support plates are distributed along the height direction of the cabinet, and the surface of each support plate constitutes a support surface.

[0016] According to one embodiment of this application, the bracket further includes a plurality of base brackets, each of which is fixedly connected to the main body frame; the plurality of base brackets correspond one-to-one with the plurality of bearing plates, and each bearing plate is supported on the corresponding base bracket.

[0017] In this embodiment, the arrangement of multiple base brackets facilitates the structural strength of the main frame; at the same time, the arrangement of base brackets facilitates the improvement of the load-bearing capacity of the support plate, thereby ensuring the reliability of the support plate in supporting the tray on which the control host or power module is installed.

[0018] According to one embodiment of this application, the tray has a flange on the side away from the back panel of the cabinet, the flange is fitted to the surface of the corresponding base bracket and is fixedly connected to the corresponding base bracket.

[0019] In this embodiment, the flange on the side of the pallet away from the back panel can be fixedly connected to the base bracket by fixing bolts, thereby achieving a detachable fixed connection of the pallet on the bearing surface; at the same time, the flange is located on the side closer to the cabinet door, which facilitates the locking and fixing of the pallet and the base bracket.

[0020] According to one embodiment of this application, the bottom bracket includes a first longitudinal beam and a second longitudinal beam distributed along the depth direction of the cabinet; the second longitudinal beam is located between the first longitudinal beam and the back panel of the cabinet, and the second longitudinal beam has a U-shaped groove facing away from the first longitudinal beam.

[0021] In this embodiment of the application, by combining the U-shaped groove on the second longitudinal beam, the weight reduction design of the second longitudinal beam can be achieved while ensuring the structural strength of the second longitudinal beam, that is, the lightweight design of the support can be achieved while ensuring the structural strength of the support.

[0022] According to one embodiment of this application, the plurality of support plates include a first support plate and at least one second support plate; the at least one second support plate is located on the side of the first support plate near the top of the cabinet, and the at least one second support plate is provided with a wiring hole that extends through the height direction of the cabinet.

[0023] In this embodiment of the application, by combining the wiring holes provided on at least one second carrier plate, the connecting wires can be passed through the second carrier plate, thereby facilitating the electrical connection between the control host on multiple carrier plates and at least one power module.

[0024] According to one embodiment of this application, the tray includes a base plate, and a plurality of support ribs are provided on the side of the base plate opposite to the bearing surface, and the control host or the power module is supported on the plurality of support ribs.

[0025] In this embodiment, the multiple support ribs provided on the bottom plate of the tray can ensure the structural strength of the bottom plate and the reliability of the support for the control host and power module. At the same time, based on the setting of the support ribs, heat dissipation gaps can be formed between the bottom plate and the control host and power module, thereby facilitating the heat dissipation of the control host and power module.

[0026] According to one embodiment of this application, the base plate is provided with a clearance opening, and the support rib is provided with a fixing through hole; the orthographic projection of the fixing through hole on the base plate is located within the area enclosed by the clearance opening, and the locking member passes through the fixing through hole and is fixedly connected to the control host or the power module.

[0027] According to one embodiment of this application, each of the trays includes a side panel, and the plurality of trays includes a first tray and at least one second tray; the first tray is used to carry the control host, the second tray is used to carry the power module, the side panel of the first tray has a plurality of notches, the plurality of notches are at different distances from the bottom of the first tray, and the plurality of notches are used to expose different wiring ports of the control host.

[0028] In this embodiment, the multiple notches provided on the side plate of the first tray facilitate the exposure of different wiring ports on the control host, thereby facilitating the electrical connection between at least one power module and the control host, while ensuring the reliability of the side plate's limiting of the control host on the first tray.

[0029] According to one embodiment of this application, the central control cabinet further includes a refrigeration module, which is fixed inside the cabinet and has its air outlet facing the mounting bracket.

[0030] In this embodiment, the positioning of the cooling module and the mounting bracket inside the cabinet effectively ensures the reliability of the cooling module's cooling of the uninterruptible power supply on the mounting bracket, thereby guaranteeing the cooling effect.

[0031] According to one aspect of this application, an energy storage device is provided, comprising: an energy storage container; a plurality of energy storage units assembled inside the energy storage container; and a central control cabinet as described in the above aspect, the central control cabinet being located outside the energy storage container.

[0032] According to one aspect of this application, a power supply system is provided, the power supply system including electrical equipment and the energy storage device described in the above aspect, the energy storage device supplying power to the electrical equipment.

[0033] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0034] The above and other features and advantages of this application will become more apparent from a detailed description of exemplary embodiments thereof with reference to the accompanying drawings.

[0035] Figure 1 This is a schematic diagram of an energy storage system according to an exemplary embodiment.

[0036] Figure 2 This is a schematic diagram of the axial structure of an energy storage device according to an exemplary embodiment.

[0037] Figure 3 This is a schematic diagram of the axial front view structure of a central control cabinet according to an exemplary embodiment.

[0038] Figure 4 This is a schematic diagram of the axial front view of a mounting bracket according to an exemplary embodiment.

[0039] Figure 5 This is an axial bottom view of another mounting bracket according to an exemplary embodiment.

[0040] Figure 6 yes Figure 4 An enlarged structural diagram of a portion of the mounting bracket shown.

[0041] Figure 7 This is a schematic diagram of the axial rear view structure of another mounting bracket according to an exemplary embodiment.

[0042] Figure 8 yes Figure 7 The diagram shows an enlarged view of the mounting bracket in area A.

[0043] Figure 9 yes Figure 7 The diagram shows an enlarged view of the mounting bracket in area A.

[0044] Figure 10 yes Figure 5 An enlarged structural diagram of a portion of the mounting bracket shown.

[0045] Figure 11 This is a schematic diagram of the axial side view of another mounting bracket according to an exemplary embodiment.

[0046] Figure 12 yes Figure 11 An enlarged structural diagram of a portion of the mounting bracket shown.

[0047] Figure 13 This is a schematic diagram of the axonal rear view structure of another central control cabinet according to an exemplary embodiment.

[0048] Figure 14 This is a schematic diagram of a power supply system according to an exemplary embodiment.

[0049] The reference numerals in the attached figures are explained as follows: 1000. Energy storage system; 100. Energy storage device; 200. First power conversion device; 300. Second power conversion device; 400. High-voltage cable; 500. Power supply system; 510. Electrical equipment; 10. Energy storage container; 20. Central control cabinet; 21. Cabinet; 22. Mounting rack; 23. Uninterruptible power supply; 24. Refrigeration module; H represents the height of the cabinet; Y represents the width of the cabinet; S represents the depth of the cabinet. 211. Receiving cavity; 212. Back plate; 221. Bracket; 222. Pallet; 223. Bearing surface; 224. Limiting strip; 225. Guide strip; 226. Positioning structure; 227. Main frame; 228. Bearing plate; 229. Base bracket; 228a, First support plate; 228b, Second support plate; 228c, Wiring hole; 229a, First longitudinal beam; 229b, Second longitudinal beam; 229c, U-shaped channel; 222a, First pallet; 222b, Second pallet; 2221. Limiting arm; 2222. Flanged edge; 2223. Base plate; 2224. Support rib; 2225. Clearance opening; 2226. Fixing through hole; 2227. Side plate; 2228. Notch; 2241. Limiting hole; 231. Control host; 232. Power supply module. Detailed Implementation

[0050] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, they are provided so that this application will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.

[0051] Because the energy people need is highly time- and space-dependent, in order to make rational use of energy and improve energy efficiency, it is necessary to use a medium or device to store one form of energy in the same way or by converting it into another form of energy, and then release it in a specific form of energy based on future application needs.

[0052] Currently, the generation of green electricity generally relies on solar, wind, and hydropower. However, wind and solar power are generally characterized by strong intermittency and large fluctuations, which can cause grid instability, insufficient power during peak demand periods, and excessive power during off-peak periods. Unstable voltage can also damage the power grid. Therefore, insufficient electricity demand or insufficient grid capacity may lead to the problem of "wind and solar curtailment." Solving these problems requires energy storage. This involves converting electrical energy into other forms of energy through physical or chemical means and storing it. When needed, this energy can be converted back into electrical energy and released. Simply put, energy storage is like a large "power bank," storing electrical energy when solar and wind power are abundant and releasing the stored electricity when needed.

[0053] Taking electrochemical energy storage as an example, this solution provides an energy storage device for use in energy storage systems. The energy storage device is equipped with a chemical battery, which mainly uses the chemical elements in the chemical battery as the energy storage medium. The charging and discharging process is accompanied by the chemical reaction or change of the energy storage medium. Simply put, the electrical energy generated by wind and solar energy is stored in the chemical battery. When the external power consumption reaches its peak, the stored power is released for use, or transferred to places with power shortages for use.

[0054] Current energy storage applications are quite widespread, including generation-side energy storage, grid-side energy storage, and consumption-side energy storage. The corresponding types of energy storage devices include: (1) Large-scale energy storage power stations (including prefabricated energy storage modules) applied to wind power and photovoltaic power stations can help renewable energy power generation meet grid connection requirements and improve the utilization rate of renewable energy. As a high-quality active / reactive power regulation power source on the power supply side, energy storage power stations can achieve load matching of power in time and space, enhance the absorption capacity of renewable energy, reduce instantaneous power changes, reduce the impact on the power grid, improve the absorption of new energy power generation, and are of great significance in power grid system backup, alleviating peak load power supply pressure and peak regulation and frequency regulation. (2) The energy storage prefabricated cabin applied on the grid side mainly functions as peak regulation, frequency regulation and grid congestion relief. In terms of peak regulation, it can realize peak shaving and valley filling of electricity load, that is, charging the energy storage device when the electricity load is low and releasing the stored electricity during the peak period of electricity load, thereby achieving a balance between power production and consumption. (3) Small energy storage cabinets applied to the electricity consumption side mainly function as self-consumption of electricity, peak-valley price arbitrage, capacity cost management, and improvement of power supply reliability. Depending on the application scenario, electricity consumption side energy storage can be divided into industrial and commercial energy storage cabinets, household energy storage devices, energy storage charging piles, etc., which are generally used in conjunction with distributed photovoltaics. Industrial and commercial users can use energy storage for peak-valley price arbitrage and capacity cost management. In the electricity market implementing peak-valley pricing, by charging the energy storage system when the electricity price is low and discharging the energy storage system when the electricity price is high, peak-valley price arbitrage can be achieved, reducing electricity costs. In addition, industrial enterprises subject to two-part tariffs can use energy storage systems to store energy during off-peak hours and discharge during peak loads, thereby reducing peak power and the maximum demand declared, achieving the goal of reducing capacity costs. Household photovoltaics with energy storage can improve the level of self-consumption of electricity. Due to high electricity prices and poor power supply stability, the demand for household photovoltaic installations is driven. Given that photovoltaic power generation occurs during the day, while user load is generally higher at night, configuring energy storage can better utilize photovoltaic power, improve self-consumption levels, and reduce electricity costs. Furthermore, energy storage is needed in areas such as communication base stations and data centers for backup power.

[0055] Figure 1 This is a schematic diagram of the structure of an energy storage system 1000 provided in this application. The energy storage system 1000 is illustrated using a shared energy storage scenario on the generation / distribution side as an example. Of course, the energy storage device 100 of this application is not limited to the shared energy storage scenario on the generation / distribution side.

[0056] like Figure 1 As shown, the energy storage system 1000 includes: an energy storage device 100, a first power conversion device 200, a second power conversion device 300, and a high-voltage cable 400.

[0057] In some embodiments of the power generation scenario, the first power conversion device 200 can be a wind power conversion device. Since the electricity generated by wind power conversion is volatile, random, and intermittent, the unstable electricity output by the wind power conversion device can be stored in an energy storage device 100 via grid connection. The energy storage device 100 is connected to the high-voltage cable 400 and outputs smooth electricity to the power consumption side, achieving peak shaving and frequency regulation, and ensuring stable grid operation. Alternatively, the wind power conversion device is always connected to the high-voltage cable 400, and under normal power generation conditions, the high-voltage cable 400... The electricity output from the wind power conversion device is supplied to the power consumption side. When the current power load is low and the wind power conversion device generates excess electricity, the excess electricity is first stored in the energy storage device 100 to improve the problem of new energy power generation and consumption. When the power load is high, the power grid issues an instruction to transmit the electricity stored in the energy storage device 100 together with the high-voltage cable 400 in grid-connected mode to supply the power consumption side. This provides the power grid with various services such as peak shaving, frequency regulation, and backup, giving full play to the peak shaving role of the power grid, promoting peak shaving and valley filling, and alleviating the power supply pressure of the power grid.

[0058] In some embodiments on the distribution network side, the second power conversion device 300 can be a photovoltaic power conversion device. The energy storage device 100 is connected to the photovoltaic power conversion device and installed downstream of the high-voltage cable 400 between the user load and the photovoltaic power conversion device. The electrical energy output by the photovoltaic power conversion device is stored in the energy storage device 100, which can respond in a timely manner to act as a backup power source when the power grid / distribution network fails. Alternatively, it can provide power supply support to alleviate line congestion when the high-voltage cable 400 transmission line is blocked, and to delay the economic pressure caused by the expansion of the power grid / distribution capacity during power grid planning and expansion.

[0059] Optionally, the first power conversion device 200 may include, but is not limited to, a wind power conversion device, and the second power conversion device 300 may include, but is not limited to, a photovoltaic panel. The first power conversion device 200 and the second power conversion device 300 can convert at least one of solar energy, light energy, wind energy, thermal energy, tidal energy, biomass energy and mechanical energy into electrical energy.

[0060] Optionally, the energy storage device 100 can be used in, but is not limited to, energy storage power stations, hydropower / thermal / wind power generation systems, solar power generation systems, mobile power systems, smart home systems, or temporary power supply systems 500, and is also applied in multiple fields such as data centers, military equipment, aerospace, charging piles, and electric vehicles.

[0061] Optionally, the energy storage device 100 may include, but is not limited to, individual battery cells, as well as battery modules, battery packs, battery clusters, power banks, energy storage cabinets / prefabricated energy storage compartments, and other battery integrated systems composed of individual battery cells. The actual application form of the energy storage device 100 provided in this application embodiment may be, but is not limited to, the listed products, and may also be other application forms. This application embodiment does not strictly limit the application form of the energy storage device 100.

[0062] Optionally, the battery cell is not limited to at least one of cylindrical, prismatic, prismatic, or other shaped batteries. The battery cell can be a rechargeable battery, meaning a battery cell that can be recharged after discharge to activate its active materials and continue to be used. The battery cell can be a lithium-ion battery, sodium-ion battery, sodium-lithium-ion battery, lithium metal battery, sodium metal battery, lithium-sulfur battery, magnesium-ion battery, nickel-metal hydride battery, nickel-cadmium battery, lead-acid battery, etc., and this application does not specifically limit its type.

[0063] In some implementations, such as Figure 2 As shown, the energy storage device 100 includes an energy storage container 10 and multiple energy storage units (not shown in the figure), with the multiple energy storage units assembled inside the energy storage container 10.

[0064] Among them, such as Figure 2 As shown, the energy storage device 100 also includes a central control cabinet 20, which can be installed inside the energy storage container 10, or as shown in the figure. Figure 2 As shown, it is fixed outside the energy storage container 10. When the central control cabinet 20 is fixed outside the energy storage container 10, it is convenient to save the internal space of the energy storage container 10, and thus it is convenient to install a larger number of energy storage units to improve the energy density of the energy storage device 100.

[0065] Among them, such as Figure 3 As shown, the central control cabinet 20 is equipped with electrical components such as an uninterruptible power supply 23, so as to connect to multiple energy storage units in the energy storage container 10 through the uninterruptible power supply 23 and other electrical components, and realize the monitoring of the charging and discharging status of the energy storage units.

[0066] In related technologies, the uninterruptible power supply 23 includes a control host 231 and a power module 232. The control host 231 and the power module 232 are stacked in the central control cabinet 20. On the one hand, both the control host 231 and the power module 232 are high-heat-generating components. The short stacking interval between them causes heat to concentrate in local areas, easily forming hot spots. This not only accelerates the aging of electronic components but also increases the risk of insulation failure or fire caused by high temperature, affecting the safety of the control host 231 and the power module 232. On the other hand, the stacked structure not only leads to messy cable entry and exit and mixed strong and weak current, but also restricts the operating space of the central control cabinet 20. When the uninterruptible power supply 23 (especially the power module 232) needs to be repaired or replaced, it is often necessary to disassemble peripheral equipment or even disconnect the entire machine, which greatly increases the difficulty of repairing the control host 231 and the power module 232.

[0067] In the embodiments of this application, such as Figure 3 As shown, the central control cabinet 20 includes: a cabinet body 21 and a mounting frame 22. The cabinet body 21 forms a receiving cavity 211. The mounting frame 22 is fixed in the receiving cavity 211 and includes a bracket 221 and multiple trays 222. The bracket 221 has multiple bearing surfaces 223 (not shown in the figure) distributed along the height direction H of the cabinet body. The multiple trays 222 and the multiple bearing surfaces 223 correspond one-to-one, and each tray 222 is detachably fixed on the corresponding bearing surface 223.

[0068] Among them, such as Figure 3 As shown, the uninterruptible power supply 23 includes a control host 231 and a power module 232, and each tray 222 is used to support the control host 231 or the power module 232. That is, the control host 231 and the power module 232 can be installed through the trays 222 that are respectively fixed on the multiple bearing surfaces 223 of the bracket 221. In this way, on the one hand, the physical compression between the control host 231 and the power module 232 can be avoided, ensuring the structural safety of the control host 231 and the power module 232; on the other hand, the physical partitioning achieved by the mounting bracket 22 not only spatially separates the main heat source (power module 232) from the control host 231, avoiding heat accumulation, but also allows heat to be more evenly distributed or guided out within the cabinet 21, effectively reducing the ambient temperature of the control host 231 and delaying the aging of components; moreover, the partitioned arrangement of the control host 231 and the power module 232 on the bracket 221 increases the spatial distance, reduces magnetic field coupling and radiation interference, and improves the system reliability of the control host 231; in addition, combined with the detachable fixing of the tray 222 on the bearing surface 223, it is convenient to disassemble the control host 231 and the power module 232 on the bracket 221, thereby facilitating the inspection and maintenance of the control host 231 and the power module 232 and improving the maintenance efficiency of the control host 231 and the power module 232.

[0069] The cabinet 21 includes a cabinet door and a back panel 212 facing each other. When the cabinet door is opened, each tray 222 can be disassembled and assembled on the corresponding bearing surface 223 in a manner close to or away from the back panel 212, thereby enabling the disassembly and assembly of the control host 231 and the power module 232 on the bracket 221.

[0070] The number of bearing surfaces 223 included in the bracket 221 depends primarily on the number of power modules 232 included in the uninterruptible power supply 23. For example, if the uninterruptible power supply 23 includes one power module 232, and the bracket 221 includes two bearing surfaces 223 spaced apart along the height H of the cabinet, one bearing surface 223 is used to fix the tray 222 of the control host 231, and the other bearing surface 223 is used to fix the tray 222 of the power module 232; or as... Figure 3 As shown, the uninterruptible power supply 23 includes two power modules 232. The bracket 221 includes three bearing surfaces 223 (not shown) spaced apart along the height H of the cabinet. One bearing surface 223 is used to fix the tray 222 of the control host 231, and the other two bearing surfaces 223 are used to fix the two trays 222 of the power modules 232 respectively. In this way, the bracket 221 transforms the messy stacking into a neat modular arrangement, making each module relatively independent. This allows for the replacement of the power module 232 without altering the original structure inside the cabinet 21. The power module 232 to be replaced can simply be removed from the bracket 221. Clear space is provided for maintenance tools and manual operation, avoiding the hassle of disassembling other normal modules and improving maintenance convenience.

[0071] Furthermore, the placement order of the control host 231 and power module 232, which are included in the uninterruptible power supply 23, on the multiple bearing surfaces 223 of the bracket 221 can be determined by considering the weight of the control host 231 and power module 232 themselves, thereby reducing the structural strength requirements of the bracket 221. For example, the control host 231 is fixed in a tray 222 on the uppermost bearing surface 223.

[0072] In some implementations, such as Figure 4 As shown, the bracket 221 includes a main frame 227 and a plurality of support plates 228 fixed on the main frame 227; the plurality of support plates 228 are distributed along the height direction H of the cabinet, and the surface of each support plate 228 constitutes a support surface 223.

[0073] The main frame 227 can be composed of multiple vertical support beams (i.e., support beams set along the height direction H of the cabinet). Some of the support beams in the main frame 227 can be reused as the columns and support pillars of the central control cabinet 20, meaning the columns and other structures of the central control cabinet 20 can be reused as some of the support beams in the main frame 227, simplifying the materials used in the main frame 227 and achieving a lightweight design. Furthermore, one of the multiple load-bearing plates 228 fixed on the main frame 227, located at the bottom of the cabinet 21, can be reused as the bottom plate of the cabinet 21, meaning the bottom plate of the cabinet 21 can be reused as a load-bearing plate 228 to achieve the fixed assembly of a tray 222, while simplifying the structural design of the bracket 221.

[0074] For example, the main frame 227 includes four support beams, the support plate 228 is rectangular, and the four corner edges of each support plate 228 are fixedly connected to the four support beams respectively. At this time, two support beams can be obtained by reusing the two columns included in the cabinet 21, and one support beam can be obtained by reusing the support column in the cabinet 21. That is, only one support beam is set up specifically for fixing multiple support plates 228.

[0075] When the bearing plate 228 is fixedly connected to the support beam, the edge of the bearing plate 228 can be directly welded to the surface of the support beam, or the surface of the support beam can have a limiting groove, with the edge of the bearing plate 228 embedded in the limiting groove and then welded in place, thus ensuring the reliability of the support beam's support for the bearing plate 228. Furthermore, considering the structure of the bracket 221, when achieving a detachable fixed connection of the pallet 222 on the bearing surface 223, the edge of the pallet 222 can be provided with a fixing plate that fits against the bearing surface 223. In this case, fixing bolts can be used to achieve a fixed connection between the fixing plate and the bearing plate 228, thus achieving a detachable fixed connection of the pallet 222 on the bearing surface 223.

[0076] The fixing plate is provided with fixing holes for fixing bolts to pass through, and the fixing holes can be oblong holes, so that the position of the tray 222 on the bearing surface 223 can be adjusted along the width direction Y of the cabinet, so as to ensure the fixed connection between the fixing plate and the bearing plate 228.

[0077] In some implementations, such as Figure 4 As shown, the plurality of support plates 228 include a first support plate 228a and at least one second support plate 228b; at least one second support plate 228b is located on the side of the first support plate 228a near the top of the cabinet 21, and at least one second support plate 228b is provided with a wiring hole 228c that runs through the height direction H of the cabinet.

[0078] Thus, by combining the wiring holes 228c provided on at least one second carrier plate 228b, the connecting wires can be passed through the second carrier plate 228b, thereby facilitating the electrical connection between the control host 231 on multiple carrier plates 228 and at least one power module 232.

[0079] For example, the plurality of carrier plates 228 include a first carrier plate 228a and two second carrier plates 228b. The trays 222 fixed on the first carrier plate 228a and the middle second carrier plate 228b are used to fix the power module 232. The tray 222 fixed on the uppermost second carrier plate 228b is used to fix the control host 231. At this time, the lower power module 232 and the control host 231 can be electrically connected based on the connecting wires passing through the two second carrier plates 228b, and the middle power module 232 and the control host 231 can be electrically connected based on the connecting wires passing through the middle second carrier plate 228b.

[0080] Thus, through the pre-set cable routing holes 228c on the support plate 228, the shortest path for the cable in the vertical direction is achieved. The cable between the control host 231 and the power module 232 below no longer needs to be wrapped around the outside of the bracket 221 or go around the side plate, making the cable arrangement inside the cabinet 21 more neat and compact, and freeing up valuable space on both sides and front and back of the bracket 221. In addition, it forms a concealed cable routing, with the cable passing vertically through the cable routing holes 228c inside the bracket 221, reducing the exposure of the cable in the external space, making the overall appearance more concise, and also reducing the risk of the cable being accidentally touched or hooked and loosened. When installing the control host 231 and the power module 232 on site, the pre-made cable routing holes 228c provide clear cable routing guidance for the assembly personnel, improving assembly efficiency and consistency.

[0081] In some implementations, such as Figure 5 As shown, the bracket 221 also includes multiple base brackets 229, all of which are fixedly connected to the main body frame 227; the multiple base brackets 229 correspond one-to-one with multiple support plates 228, and each support plate 228 is supported on the corresponding base bracket 229.

[0082] Thus, the arrangement of multiple base brackets 229 facilitates the structural strength of the main frame 227; at the same time, the arrangement of base brackets 229 facilitates the improvement of the load-bearing capacity of the support plate 228, thereby ensuring the reliability of the support plate 228 in supporting the tray 222 on which the control host 231 or power module 232 is installed.

[0083] The specific structure of the base bracket 229 is not limited, as long as it can reliably support the support plate 228 and avoids obstructing the cable routing holes 228c on the support plate 228. For example, the base bracket 229 may include multiple crossbeams spaced at intervals along the width Y direction of the cabinet; or multiple longitudinal beams spaced at intervals along the depth S direction of the cabinet; or multiple crossbeams spaced at intervals along the width Y direction of the cabinet and multiple longitudinal beams spaced at intervals along the depth S direction of the cabinet.

[0084] For example, the bottom bracket 229 includes a first longitudinal beam 229a and a second longitudinal beam 229b distributed along the depth direction S of the cabinet; or the bottom bracket 229 includes four crossbeams (not shown) spaced apart along the width direction Y of the cabinet, and a first longitudinal beam 229a and a second longitudinal beam 229b spaced apart along the depth direction S of the cabinet, with the four crossbeams fixedly connected between the first longitudinal beam 229a and the second longitudinal beam 229b.

[0085] The bearing plate 228 can be fixed to the upper surface of the first longitudinal beam 229a and the second longitudinal beam 229b, or it can be fixed between the side surfaces of the first longitudinal beam 229a and the second longitudinal beam 229b, that is, the bearing surface 223 of the bearing plate 228 is flush with the upper surface of the first longitudinal beam 229a and the second longitudinal beam 229b.

[0086] Of course, in the case where the second longitudinal beam 229b is located between the first longitudinal beam 229a and the back panel 212 of the cabinet 21, the support plate 228 can also be fixed to the upper surface of the first longitudinal beam 229a and the side surface of the second longitudinal beam 229b. That is, the support surface 223 of the support plate 228 is flush with the upper surface of the first longitudinal beam 229a, and the support surface 223 of the support plate 228 is recessed into the upper surface of the second longitudinal beam 229b. In this way, when assembling the pallet 222 on the support surface 223, the pallet 222 can be limited on the side near the back panel 212 based on the part of the second longitudinal beam 229b that protrudes from the support surface 223, so as to ensure the installation depth of the pallet 222 on the support surface 223.

[0087] Additionally, when the second longitudinal beam 229b is located on the side near the back panel 212 of the cabinet 21, such as Figure 5 As shown, the second longitudinal beam 229b can be provided with a U-shaped groove 229c facing away from the first longitudinal beam 229a. This allows for a weight reduction design of the second longitudinal beam 229b while ensuring its structural strength, that is, a lightweight design of the support 221 while ensuring its structural strength.

[0088] In this application, in conjunction with the aforementioned detachable fixed connection of the pallet 222 to the bearing surface 223, besides the pallet 222 being detachably fixed to the bearing surface 223 directly via a fixing plate, in conjunction with the aforementioned base bracket 229, it can also be as follows: Figure 4 As shown, the back panel 212 on the tray 222 away from the cabinet 21 has a flange 2222. The flange 2222 fits against the surface of the corresponding base bracket 229 and is fixedly connected to the corresponding base bracket 229.

[0089] Thus, by combining the flange 2222 on the side of the pallet 222 away from the back panel 212, a fixed connection between the flange 2222 and the base bracket 229 can be achieved using fixing bolts, thereby realizing a detachable fixed connection of the pallet 222 on the bearing surface 223. In addition, the flange 2222 is provided with fixing holes for fixing bolts to pass through, and the fixing holes can be oblong holes, so that the position of the pallet 222 on the bearing surface 223 can be adjusted along the width direction Y of the cabinet, which helps to ensure the fixed connection between the flange 2222 and the base bracket 229.

[0090] Specifically, the flange on the side of the pallet 222 away from the back panel 212 can be formed by extending the front panel of the pallet 222 towards the side closer to the bearing surface 223, or by bending the bottom panel of the pallet 222 towards the side closer to the bearing surface 223. Furthermore, considering the first longitudinal beam 229a and the second longitudinal beam 229b included in the base bracket 229, with the first longitudinal beam 229a located near the cabinet door of the cabinet body 21, the edge of the pallet 222 on the side of the back panel 212 away from the cabinet body 21 has a flange 2222 bent towards the bearing surface 223. This allows for a fixed connection between the flange 2222 and the first longitudinal beam 229a, ensuring convenient fixing of the pallet 222 to the base bracket 229 and improving the efficiency of assembling and disassembling the pallet 222.

[0091] In this embodiment of the application, when assembling the corresponding pallet 222 on the bearing surface 223, in addition to the surface of the second longitudinal beam 229b protruding from the bearing surface 223 of the bearing plate 228 to limit the pallet 222 along the depth direction S of the cabinet, the pallet 222 can also be limited along the depth of the cabinet 21 by other means.

[0092] In some implementations, such as Figure 4 As shown, a limiting strip 224 is provided on the bearing surface 223; the length direction of the limiting strip 224 is parallel to the width direction Y of the cabinet, and the limiting strip 224 and the corresponding pallet 222 are limited and abutted along the depth direction S of the cabinet.

[0093] Thus, combined with the limiting strip 224 set on the bearing surface 223, the pallet 222 can be limited along the depth direction S of the cabinet to avoid over-installation of the pallet 222 on the corresponding bearing surface 223 along the depth direction S of the cabinet, thereby improving the positioning and assembly efficiency of the pallet 222 on the corresponding bearing surface 223.

[0094] The limiting strip 224 can be a long strip plate structure, in which case the limiting strip 224 is fixed to the bearing surface 223 by welding; or the limiting strip 224 can be a long square tube structure, in which case the limiting strip 224 is fixed to the bearing surface 223 by welding or bolting. Of course, in addition to setting the limiting strip 224 on the bearing surface 223 to achieve limiting contact with the pallet 222, the bearing surface 223 can also be provided with multiple limiting protrusions distributed at intervals along the width direction Y of the cabinet, as long as limiting contact with the pallet 222 can be achieved, the embodiments of this application do not limit this.

[0095] In some implementations, such as Figure 4 and Figure 6 As shown, a positioning structure 226 is provided on the bearing surface 223 to fix the limiting strip 224 on the bearing surface 223 based on the cooperation between the limiting strip 224 and the positioning structure 226.

[0096] In this way, the positioning structure 226 and the limiting strip 224 can be used to quickly position the limiting strip 224 on the bearing surface 223, thereby improving the assembly efficiency of the limiting strip 224 on the bearing surface 223.

[0097] The positioning structure 226 can be a positioning groove or positioning recess on the bearing surface 223, so as to realize the rapid positioning of the limiting strip 224 on the bearing surface 223 based on the insertion and positioning of the limiting strip 224 in the positioning groove or positioning recess; or, the positioning structure 226 can be a positioning protrusion on the bearing surface 223, so as to realize the rapid positioning of the limiting strip 224 on the bearing surface 223 based on the abutment of the limiting strip 224 and the positioning protrusion.

[0098] In some implementations, such as Figure 6 , Figure 7 and Figure 8 As shown, the limiting strip 224 has a limiting hole 2241 provided along the depth direction S of the cabinet; the tray 222 has a limiting arm 2221 facing the limiting strip 224, and the limiting arm 2221 is inserted into the limiting hole 2241.

[0099] Thus, by combining the limiting arm 2221 with the limiting hole 2241, the side of the pallet 222 near the back plate 212 can be limited and assembled on the bearing surface 223. In addition, by combining the pallet 222 with the fixing of the bearing surface 223, the stability of the pallet 222 assembled on the bearing surface 223 is improved.

[0100] The front end of the limiting arm 2221 has a triangular or trapezoidal projection on the bearing surface 223, so that the size of the front end of the limiting arm 2221 in the width direction Y of the cabinet is smaller than the size of the limiting hole 2241, thereby ensuring that the limiting arm 2221 can be more accurately inserted into the limiting hole 2241. In addition, the limiting strip 224 can be provided with multiple limiting holes 2241 distributed at intervals along the width direction Y of the cabinet. Correspondingly, the tray 222 is provided with multiple limiting arms 2221 that correspond one-to-one with the multiple limiting holes 2241. Thus, the insertion of the multiple limiting arms 2221 into the corresponding limiting holes 2241 ensures the reliability of the upper limit on the bearing surface 223 of the side of the tray 222 near the back plate 212.

[0101] In some implementations, such as Figure 7 and Figure 9 As shown, the bearing surface 223 is provided with a guide bar 225. The length direction of the guide bar 225 is parallel to the depth direction S of the cabinet, and the guide bar 225 and the corresponding tray 222 are limited and abutted along the width direction Y of the cabinet.

[0102] Thus, combined with the guide bar 225 on the bearing surface 223, the assembly position of the pallet 222 on the bearing surface 223 can be limited. Furthermore, the guide bar 225 limits the pallet 222, ensuring the alignment efficiency of the upper limit arm 2221 of the pallet 222 and the upper limit hole 2241 of the limit bar 224.

[0103] The number of guide bars 225 can be one or two. When there is one guide bar 225 on the bearing surface 223, the pallet 222 can be limited on one side of the width direction Y of the cabinet. When there are two guide bars 225 on the bearing surface 223, the pallet 222 can be limited on both sides of the width direction Y of the cabinet to ensure the reliability of the limit.

[0104] In this embodiment of the application, the multiple trays 222 included in the mounting frame 22 may have the same or different structures. The following explanation will focus on any one of the trays 222 included in the mounting frame 22 as an example.

[0105] In some embodiments, the tray 222 is a base support structure including a base plate 2223, in which case the control host 231 or the power module 232 can be directly fixed on the base plate 2223.

[0106] The base plate 2223 has a countersunk hole on the surface facing the bearing surface 223. Fixing bolts or the like can pass through the countersunk hole and be fixedly connected to the control host 231 or the power module 232. At the same time, the head of the fixing bolt is hidden in the countersunk hole to avoid the head of the fixing bolt interfering with the assembly of the tray 222 on the bearing surface 223.

[0107] In other implementations, such as Figure 7 and Figure 8 As shown, the pallet 222 includes a base plate 2223, and a plurality of support ribs 2224 are provided on the side of the base plate 2223 away from the bearing surface 223. The control host 231 or the power module 232 is supported on the plurality of support ribs 2224.

[0108] Thus, the multiple support ribs 2224 provided on the base plate 2223 of the tray 222 can ensure the structural strength of the base plate 2223 and the reliability of supporting the control host 231 and the power module 232. At the same time, based on the setting of the support ribs 2224, heat dissipation gaps can be formed between the base plate 2223 and the control host 231 and the power module 232, thereby facilitating the heat dissipation of the control host 231 and the power module 232.

[0109] The support rib 2224 can be a square tube or a U-shaped structure to ensure its structural strength, thereby ensuring the reliability of its support for the control host 231 and the power module 232. When the support rib 2224 is a U-shaped structure, it can be fixed to the bottom plate 2223 of the tray 222 by inverting.

[0110] The multiple support ribs 2224 can be fixed to the base plate 2223 of the tray 222 in a cross-shaped manner, or they can be fixed to the base plate 2223 of the tray 222 in a parallel manner. When the multiple support ribs 2224 are parallel to each other, a heat dissipation channel can be formed between two adjacent support ribs 2224, thereby ensuring the heat dissipation effect of the control host 231 and the power module 232.

[0111] With the base plate 2223 having a support rib 2224 on the tray 2222, in order to fix the control host 231 or power module 232 within the tray 222, it can be as follows: Figure 5 and Figure 10 As shown, a clearance opening 2225 is provided on the base plate 2223, and a fixing through hole 2226 is provided on the support rib 2224; the orthographic projection of the fixing through hole 2226 on the base plate 2223 is located in the area enclosed by the clearance opening 2225, and the locking component (such as fixing bolt) passes through the fixing through hole 2226 and is fixedly connected to the control host 231 or the power module 232.

[0112] Thus, the exposed fixing through hole 2226 by the clearance opening 2225 allows for the fixed connection of the control host 231 or power module 232 on the tray 222 within the area enclosed by the clearance opening 2225 using a locking member. Simultaneously, the area enclosed by the clearance opening 2225 accommodates the head of the locking member, preventing interference with the assembly of the tray 222 on the bearing surface 223. Furthermore, the locking member's locking and fixing on the side of the base plate 2223 facing away from the tray 222 avoids exposure within the tray 222, ensuring a flat support surface within the tray 222. This, in turn, ensures the stability of the control host 231 or power module 232 within the tray 222 and prevents scratching between the locking member and the control host 231 or power module 232, thus avoiding damage to the control host 231 or power module 232.

[0113] Alternatively, the base plate 2223 may have a through countersunk hole on the surface facing the bearing surface 223, and the support rib 2224 may have a fixing through hole 2226 coaxial with the countersunk hole; locking components (such as fixing bolts) pass through the countersunk hole and the fixing through hole 2226 in sequence and are fixedly connected to the control host 231 or the power module 232.

[0114] Thus, the locking component can be fixedly connected to the control host 231 or power module 232 on the tray 222 based on the coaxial countersunk hole and the fixed through hole 2226; at the same time, the head of the locking component can be accommodated based on the countersunk hole to avoid the locking component interfering with the assembly of the tray 222 on the bearing surface 223.

[0115] In some implementations, such as Figure 11 and Figure 12 As shown, in addition to the base plate 2223, the tray 222 also includes at least a pair of side plates 2227 fixedly connected to the edge of the base plate 2223. Thus, the side plates 2227 included in the tray 222 can be used to limit the control host 231 or power module 232 along the width direction Y and / or depth direction of the cabinet, ensuring the stability of the control host 231 or power module 232 within the tray 222.

[0116] For example, the pallet 222 includes a pair of side panels 2227 disposed along the depth direction S of the cabinet and a pair of side panels 2227 disposed along the width direction Y of the cabinet.

[0117] In some implementations, such as Figure 11 and Figure 12As shown, the multiple trays 222 include a first tray 222a and at least one second tray 222b; the first tray 222a is used to carry the control host 231, and the second tray 222b is used to carry the power module 232. The side plate 2227 of the first tray 222a has multiple notches 2228, the multiple notches 2228 are at different distances from the bottom of the first tray 222a, and the multiple notches 2228 are used to expose different wiring ports of the control host 231.

[0118] Thus, the multiple notches 2228 provided on the side plate 2227 of the first tray 222a facilitate the exposure of different wiring ports on the control host 231, thereby facilitating the electrical connection between at least one power module 232 and the control host 231, while ensuring the reliability of the side plate 2227 in limiting the control host 231 on the first tray 222a.

[0119] The notch 2228 on the side plate 2227 of the first tray 222a can be formed by penetrating the side plate 2227, or it can be formed by cutting down the edge of the side plate 2227 away from the bottom. This application does not limit this.

[0120] For example, the side plate 2227 of the first tray 222a adjacent to the wiring hole 228c has a first notch and a second notch, and the first notch and the second notch are at different distances from the bottom of the first tray 222a.

[0121] In some implementations, such as Figure 13 As shown, the central control cabinet 20 also includes a refrigeration module 24, which is fixed inside the cabinet 21, with the air outlet of the refrigeration module 24 facing the mounting bracket 22.

[0122] In this way, by setting the positions of the cooling module 24 and the mounting bracket 22 inside the cabinet 21, the reliability of the cooling module 24 in cooling the uninterruptible power supply 23 on the mounting bracket 22 is effectively guaranteed, thereby ensuring the cooling effect of the uninterruptible power supply 23.

[0123] The cooling module 24 can be a refrigeration air conditioner, etc. It can be located on the side of the mounting bracket 22 near the top of the cabinet 21, or on the side of the mounting bracket 22 near the bottom of the cabinet 21, as long as the air outlet of the cooling module 24 faces the mounting bracket 22. Alternatively, the cooling module 24 can be installed on the back panel 212 or the cabinet door of the cabinet 21. Combining the control host 231 and power module 232 included in the uninterruptible power supply 23, the control host 231 can be positioned close to the cooling module 24 to prioritize cooling the control host 231, which has a larger heat dissipation. Taking the cooling module 24 located on the side of the mounting bracket 22 near the top of the cabinet 21 as an example, for the multiple bearing surfaces 223 included in the bracket 221, the control host 231 can be assembled in the tray 222 fixed on the bearing surface 223 closest to the top of the cabinet 21.

[0124] This application also provides a power supply system 500, such as... Figure 14 As shown, the power supply system 500 includes: electrical equipment 510 and the energy storage device 100 described in the above embodiments, the energy storage device 100 being used to supply power to the electrical equipment 510.

[0125] The electrical equipment 510 is electrically connected to the energy storage device 100. Thus, in conjunction with the above description, the power supply system 500 of this application, during use, ensures the durability and reliability of power supply to the electrical equipment 510 based on the high energy density of the energy storage device 100 and the reliability of the uninterruptible power supply 23 in the central control cabinet 20.

[0126] In the embodiments of this application, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "link," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "link" can be a direct connection or an indirect connection through an intermediate medium; "fix" can be a non-detachable fixation or a detachable fixation (such as non-destructive or destructive disassembly). Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0127] In the description of the embodiments of this application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0128] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the implementation of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0129] The above are merely preferred embodiments of the implementation methods of this application and are not intended to limit the implementation methods of this application. For those skilled in the art, various modifications and variations can be made to the implementation methods of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the implementation methods of this application should be included within the protection scope of the implementation methods of this application.

Claims

1. A central control cabinet, characterized in that, include: Cabinet (21), the cabinet (21) enclosing a receiving cavity (211); The mounting bracket (22) is fixed inside the receiving cavity (211) and includes a support (221) and multiple trays (222). The support (221) has multiple bearing surfaces (223) distributed along the height direction (H) of the cabinet. The multiple trays (222) and the multiple bearing surfaces (223) correspond one-to-one, and each tray (222) is detachably fixed on the corresponding bearing surface (223). The uninterruptible power supply (23) includes a control host (231) and a power module (232), and each of the trays (222) is used to carry the control host (231) or the power module (232).

2. The central control cabinet as described in claim 1, characterized in that, Limiting strips (224) are provided on the bearing surface (223); The length direction of the limiting strip (224) is parallel to the width direction (Y) of the cabinet, and the limiting strip (224) and the corresponding tray (222) are limited and abutted along the depth direction (S) of the cabinet.

3. The central control cabinet as described in claim 2, characterized in that, The limiting strip (224) has a limiting hole (2241) provided along the depth direction (S) of the cabinet. The tray (222) has a limiting arm (2221) facing the limiting bar (224), the limiting arm (2221) being inserted into the limiting hole (2241).

4. The central control cabinet as described in claim 3, characterized in that, The bearing surface (223) is provided with a guide strip (225). The length direction of the guide strip (225) is parallel to the depth direction (S) of the cabinet, and the guide strip (225) and the corresponding tray (222) are limited and abutted along the width direction (Y) of the cabinet.

5. The central control cabinet as described in claim 2, characterized in that, A positioning structure (226) is provided on the bearing surface (223), and the limiting strip (224) cooperates with the positioning structure (226) to limit the position and is fixed on the bearing surface (223).

6. The central control cabinet as described in claim 1, characterized in that, The bracket (221) includes a main frame (227) and a plurality of support plates (228) fixed on the main frame (227). The plurality of the support plates (228) are distributed along the height direction (H) of the cabinet, and the surface of each support plate (228) constitutes a support surface (223).

7. The central control cabinet as described in claim 6, characterized in that, The bracket (221) also includes a plurality of base brackets (229), all of which are fixedly connected to the main body frame (227); Each of the multiple base brackets (229) corresponds to one of the multiple support plates (228), and each support plate (228) is supported on the corresponding base bracket (229).

8. The central control cabinet as described in claim 7, characterized in that, The tray (222) has a flange (2222) on one side of the back panel (212) away from the cabinet (21), the flange (2222) is attached to the surface of the corresponding base bracket (229) and is fixedly connected to the corresponding base bracket (229).

9. The central control cabinet as described in claim 7, characterized in that, The base bracket (229) includes a first longitudinal beam (229a) and a second longitudinal beam (229b) distributed along the depth direction (S) of the cabinet. The second longitudinal beam (229b) is located between the first longitudinal beam (229a) and the back panel (212) of the cabinet (21), and the second longitudinal beam (229b) has a U-shaped groove facing away from the first longitudinal beam (229a).

10. The central control cabinet as described in claim 6, characterized in that, The plurality of said support plates (228) include a first support plate (228a) and at least one second support plate (228b); The at least one second support plate (228b) is located on the side of the first support plate (228a) near the top of the cabinet (21), and the at least one second support plate (228b) is provided with a wiring hole (228c) that runs through the height direction (H) of the cabinet.

11. The central control cabinet as described in any one of claims 1-10, characterized in that, The pallet (222) includes a base plate (2223), and a plurality of support ribs (2224) are provided on the side of the base plate (2223) away from the bearing surface (223). The control host (231) or the power module (232) is supported on the plurality of support ribs (2224).

12. The central control cabinet as described in claim 11, characterized in that, The base plate (2223) is provided with a clearance opening (2225), and the support rib (2224) is provided with a fixing through hole (2226). The orthographic projection of the fixed through hole (2226) on the base plate (2223) is located in the area enclosed by the clearance opening (2225), and the locking member passes through the fixed through hole (2226) and is fixedly connected to the control host (231) or the power module (232).

13. The central control cabinet as described in any one of claims 1-10, characterized in that, The pallet (222) includes a side panel (2227), and the plurality of pallets (222) include a first pallet (222a) and at least one second pallet (222b). The first tray (222a) is used to carry the control host (231), and the second tray (222b) is used to carry the power module (232). The side plate (2227) of the first tray (222a) has multiple notches (2228). The multiple notches (2228) are at different distances from the bottom of the first tray (222a), and the multiple notches (2228) are used to expose different wiring ports of the control host (231).

14. The central control cabinet as described in any one of claims 1-10, characterized in that, The central control cabinet (20) also includes a refrigeration module (24), which is fixed inside the cabinet (21) and the air outlet of the refrigeration module (24) faces the mounting bracket (22).

15. An energy storage device, characterized in that, include: Energy storage container (10); Multiple energy storage units are assembled inside the energy storage container (10); The central control cabinet (20) according to any one of claims 1-14, wherein the central control cabinet (20) is located outside the energy storage container (10).

16. A power supply system, characterized in that, The power supply system (500) includes electrical equipment (510) and the energy storage device (100) as described in claim 15, wherein the energy storage device (100) supplies power to the electrical equipment (510).

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