Layered energy storage cabinet

Abstract

The utility model provides a layered energy storage cabinet which is provided with a cabinet body, the cabinet body comprises a first cavity, a second cavity, a third cavity, a first cavity partition plate and a second cavity partition plate, the first cavity partition plate is arranged in the cabinet body, the first cavity is arranged on the upper side of the first cavity partition plate, and the second cavity is arranged on the lower side of the first cavity partition plate; the second cavity partition plate is arranged in the cabinet body, the third cavity is arranged on the right side of the second cavity partition plate, the first cavity and the second cavity are arranged on the left side of the second cavity partition plate, the second cavity comprises a plurality of battery rack bodies, each battery rack body comprises a plurality of first fixed guide rails and a plurality of second fixed guide rails, the first fixed guide rails are arranged in an up-down layered mode, and the second fixed guide rails are arranged in an up-down layered mode. And the second fixed guide rails are arranged in an up-down layered manner, so that the heat difference between different electrical devices can be isolated through layered local placement, the heat radiation influence between the electrical devices is reduced, and the heat management capability and the heat dissipation efficiency in the layered energy storage cabinet are improved.

Description

Technical Field

[0001] The utility model relates to the field of energy storage power supply, in particular to a layered energy storage cabinet. Background Art

[0002] In the prior art, traditional energy storage cabinets store various electrical equipment through simple placement layouts. However, this often makes it difficult to cope with the heat differences between different electrical equipment, and thus it is impossible to effectively manage the heat inside the energy storage cabinet and dissipate heat, while affecting the performance of each electrical equipment. Content of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a layered energy storage cabinet. Through the layered placement part, the heat difference between different electrical equipment can be isolated, the heat radiation influence between each electrical equipment can be reduced, and the heat management ability and heat dissipation efficiency inside the layered energy storage cabinet are improved.

[0004] To achieve the above purpose, the first aspect of the embodiments of the present application provides a layered energy storage cabinet, including:

[0005] A cabinet body, which includes a first cavity, a second cavity, a third cavity, a first cavity partition board and a second cavity partition board. The first cavity partition board is arranged inside the cabinet body. The first cavity is arranged above the first cavity partition board, and the second cavity is arranged below the first cavity partition board. The second cavity partition board is arranged inside the cabinet body. The third cavity is arranged on the right side of the second cavity partition board, and the first cavity and the second cavity are arranged on the left side of the second cavity partition board. The first cavity is used to place an energy storage high-voltage box and an energy storage inverter. The second cavity is used to place a plurality of energy storage batteries. The third cavity is used to place electrical components.

[0006] Among them, the second cavity includes a plurality of battery rack bodies. The battery rack bodies are arranged side by side from left to right. Each battery rack body is arranged inside the second cavity. The battery rack body includes a plurality of first fixed guide rails and a plurality of second fixed guide rails. The first fixed guide rails are arranged in layers up and down, and the second fixed guide rails are arranged in layers up and down. The layer spacing between the first fixed guide rails is equal to the layer spacing between the second fixed guide rails. Each first fixed guide rail is located on one side of the battery rack body, and each second fixed guide rail is located on the other side of the battery rack body. The first fixed guide rail and the second fixed guide rail in the same layer are arranged opposite to each other. The first fixed guide rail and the second fixed guide rail are both used to fix the energy storage battery.

[0007] Further, in some embodiments, the cabinet body further includes a first cabinet door, a second cabinet door, a third cabinet door, a fourth cabinet door, and a fifth cabinet door. The first cabinet door is arranged at the left front of the first cavity and the second cavity. The second cabinet door is arranged at the right front of the first cavity and the second cavity. The third cabinet door is arranged at the right rear of the first cavity and the second cavity. The fourth cabinet door is arranged at the left rear of the first cavity and the second cavity. The fifth cabinet door is arranged directly in front of the third cavity.

[0008] Further, in some embodiments, the cabinet body further includes a plurality of air duct boxes. The air duct boxes are used to connect the first cavity with the outside. The air duct boxes are arranged on the inner side of the third cabinet door and / or the fourth cabinet door and close to the load in the first cavity. The air duct box includes a fan, and the fan is used to discharge the heat in the first cavity to the outside.

[0009] Further, in some embodiments, the cabinet body further includes a plurality of air conditioners. The air conditioners are connected to the second cavity, and the air conditioners are used to discharge the heat in the second cavity to the outside. The air conditioners are arranged on the outside of the third cabinet door and / or the fourth cabinet door.

[0010] Further, in some embodiments, the second cavity further includes a plurality of return air ducts and a plurality of windproof baffles. Each return air duct is arranged at the upper end of the second cavity, and the return air ducts are arranged side by side. The return air ducts are used to guide the heat generated by each energy storage battery to the air outlet of the air conditioner. Each windproof baffle is arranged at the rear end of the second cavity, and the windproof baffles are arranged in upper and lower layers. Each windproof baffle is used to block the cold air of the air conditioner from directly blowing on the energy storage battery.

[0011] Further, in some embodiments, the fifth cabinet door includes an electronic intelligent lock, and the electronic intelligent lock penetrates through the inside of the fifth cabinet door.

[0012] Further, in some embodiments, the first cavity partition includes a plurality of sealing strips. The sealing strips are used as sealing components between the first cavity and the second cavity, and the sealing strips are arranged on the front side or the rear side of the first cavity partition.

[0013] Further, in some embodiments, the cabinet body further includes a plurality of lifting rings. The lifting rings are used as lifting connection components of the cabinet body, and each lifting ring is arranged at the top of the cabinet body.

[0014] Further, in some embodiments, the first cavity includes a heat preservation interlayer. The heat preservation interlayer is located at the bottom of the first cavity, and the heat preservation interlayer is used as a heat insulation component between the first cavity and the second cavity.

[0015] Further, in some embodiments, the second cavity further includes a perfluoropentanone fire extinguishing device. The perfluoropentanone fire extinguishing device is used to block a fire from occurring inside the cabinet body, and the perfluoropentanone fire extinguishing device is arranged inside the first cavity.

[0016] A layered energy storage cabinet according to an embodiment of the present utility model has at least the following beneficial effects: By providing a cabinet body, the cabinet body includes a first cavity, a second cavity, a third cavity, a first cavity partition and a second cavity partition. The first cavity partition is arranged inside the cabinet body. The first cavity is arranged above the first cavity partition, and the second cavity is arranged below the first cavity partition. The second cavity partition is arranged inside the cabinet body. The third cavity is arranged on the right side of the second cavity partition, and the first cavity and the second cavity are arranged on the left side of the second cavity partition. The first cavity is used to place an energy storage high-voltage box and an energy storage inverter. The second cavity is used to place a plurality of energy storage batteries. The third cavity is used to place electrical components.

[0017] Among them, the second cavity includes a plurality of battery racks. The battery racks are arranged side by side left and right. Each battery rack is arranged inside the second cavity. The battery rack includes a plurality of first fixed rails and a plurality of second fixed rails. The first fixed rails are arranged in layers up and down, and the second fixed rails are arranged in layers up and down. The layer spacing between the first fixed rails is equal to the layer spacing between the second fixed rails. Each first fixed rail is located on one side of the battery rack, and each second fixed rail is located on the other side of the battery rack. The first fixed rail and the second fixed rail in the same layer are arranged opposite to each other. The first fixed rail and the second fixed rail are both used to fix the energy storage battery. Therefore, through the layered placement part, the heat difference between different electrical devices can be isolated, the heat radiation influence between various electrical devices can be reduced, and the heat management ability and heat dissipation efficiency inside the layered energy storage cabinet are improved.

[0018] Other features and advantages of the present utility model will be described in the subsequent description, and some will become obvious from the description. The purpose and other advantages of the present utility model can be realized and obtained through the structure specifically pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings are used to provide a further understanding of the technical solution of the present utility model, and constitute a part of the description. They are used together with the embodiments of the present utility model to explain the technical solution of the present utility model, and do not constitute a limitation to the technical solution of the present utility model.

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0021] Figure 1 It is a front structure diagram of a layered energy storage cabinet provided by an embodiment of the present utility model;

[0022] Figure 2 It is a side structure diagram of a layered energy storage cabinet provided by an embodiment of the present utility model;

[0023] Figure 3It is a structural diagram of another layered energy storage cabinet provided by an embodiment of the present utility model;

[0024] Figure 4 It is a rear structural diagram of a layered energy storage cabinet provided by an embodiment of the present utility model.

[0025] Reference numerals: cabinet body 1000, first cavity 1100, thermal insulation layer 1110, second cavity 1200, battery rack 1210, first fixed guide rail 1211, second fixed guide rail 1212, return air duct 1213, wind baffle 1214, perfluorinated hexanone fire extinguishing device 1215, third cavity 1300, first cavity partition 1400, sealing strip 1410, second cavity partition 1500, air duct box 1600, fan 1610, air conditioner 1700, lifting ring 1800;

[0026] First cabinet door 2100, second cabinet door 2200, third cabinet door 2300, fourth cabinet door 2400, fifth cabinet door 2500, electronic intelligent lock 2510. Detailed implementation manners

[0027] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0028] In the description of the present utility model, if the first and second are described for the purpose of distinguishing technical features, they cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence of the indicated technical features. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0029] In the description of the present utility model, unless otherwise clearly defined, terms such as "set", "installed", and "connected" should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0030] In the prior art, traditional energy storage cabinets store various electrical devices through simple placement layouts. However, this often makes it difficult to cope with the heat differences between different electrical devices, and thus it is unable to effectively manage the heat inside the energy storage cabinet and dissipate heat, while also affecting the performance of each electrical device.

[0031] Based on this, the embodiments of the present utility model provide a layered energy storage cabinet. By providing an electrical compartment, a battery compartment, and a control compartment, the battery compartment is located on one side of the electrical compartment, and the control compartment is located on the other side of the electrical compartment. Among them, the electrical compartment includes an AC busbar used as the power distribution and transmission channel of the layered energy storage cabinet, a high-voltage device for controlling the charging and discharging functions of each battery box, and a plurality of bidirectional converters for controlling the power distribution direction of the layered energy storage cabinet. The bidirectional converters are connected in parallel with each other. The bidirectional converter includes a first DC unit and a first AC unit. The first DC unit is connected to one end of the high-voltage device, and the first AC unit is connected to the AC busbar. The AC busbar is connected to the power grid; the battery compartment includes a battery pack, and the battery pack includes a plurality of battery boxes for storing electric energy. The battery compartment includes a battery pack, and the battery pack is connected to the other end of the high-voltage device. The battery pack includes a plurality of battery boxes for storing electric energy, and the battery boxes are arranged vertically; the control compartment includes an energy manager for controlling the power scheduling of the layered energy storage cabinet. The energy manager is communicatively connected to the high-voltage device and the bidirectional converter, and thus can control through the electric energy storage of the battery compartment, the power distribution of the electrical compartment, and the power scheduling of the control compartment, thereby achieving the power supply dynamic balance between the layered energy storage cabinet and the local power grid, reducing the impact of the layered energy storage cabinet on the power consumption demand of the local power grid, and at the same time improving the charging stability of the layered energy storage cabinet.

[0032] Therefore, the embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0033] Refer to Figure 1 、 Figure 2 As shown in Figure 1 is the front structural diagram of a layered energy storage cabinet provided by the embodiments of the present utility model. Figure 2It is a side structure diagram of a layered energy storage cabinet provided by an embodiment of the present utility model. The layered energy storage cabinet includes a cabinet body 1000, and the cabinet body 1000 includes a first cavity 1100, a second cavity 1200, a third cavity 1300, a first cavity partition 1400, and a second cavity partition 1500. The first cavity partition 1400 is disposed inside the cabinet body 1000. The first cavity 1100 is disposed above the first cavity partition 1400, and the second cavity 1200 is disposed below the first cavity partition 1400. The second cavity partition 1500 is disposed inside the cabinet body 1000. The third cavity 1300 is disposed on the right side of the second cavity partition 1500, and the first cavity 1100 and the second cavity 1200 are disposed on the left side of the second cavity partition 1500. The first cavity 1100 is used to place an energy storage high-voltage box and an energy storage inverter. The second cavity 1200 is used to place a plurality of energy storage batteries. The third cavity 1300 is used to place electrical components, thereby being able to isolate the energy storage high-voltage box, the energy storage inverter, the energy storage batteries, and the electrical components, avoiding problems such as electromagnetic interference and thermal radiation when different devices are working, and improving the stability and reliability inside the layered energy storage cabinet.

[0034] Among them, the second cavity 1200 includes a plurality of battery racks 1210. The battery racks 1210 are arranged side by side left and right. Each battery rack 1210 is disposed inside the second cavity 1200. The battery rack 1210 includes a plurality of first fixing rails 1211 and a plurality of second fixing rails 1212. The first fixing rails 1211 are arranged in layers up and down, and the second fixing rails 1212 are arranged in layers up and down. The layer spacing between the first fixing rails 1211 is equal to the layer spacing between the second fixing rails 1212. Each first fixing rail 1211 is located on one side of the battery rack 1210, and each second fixing rail 1212 is located on the other side of the battery rack 1210. The first fixing rails 1211 and the second fixing rails 1212 at the same layer are arranged oppositely. The first fixing rail 1211 and the second fixing rail 1212 are both used to fix the energy storage batteries, thereby being able to manage the layered placement of each energy storage battery and improving the heat management ability and heat dissipation efficiency inside the layered energy storage cabinet.

[0035] Further, referring to Figure 3 shown in Figure 3It is a structural diagram of another layered energy storage cabinet provided by an embodiment of the present utility model. The cabinet body 1000 further includes a first cabinet door 2100, a second cabinet door 2200, a third cabinet door 2300, a fourth cabinet door 2400, and a fifth cabinet door 2500. The first cabinet door 2100 is arranged at the left front of the first cavity 1100 and the second cavity 1200. The second cabinet door 2200 is arranged at the right front of the first cavity 1100 and the second cavity 1200. The third cabinet door 2300 is arranged at the right rear of the first cavity 1100 and the second cavity 1200. The fourth cabinet door 2400 is arranged at the left rear of the first cavity 1100 and the second cavity 1200. The fifth cabinet door 2500 is arranged directly in front of the third cavity 1300. Thus, different cavities inside the cabinet body are separated by multiple cabinet doors, realizing functional zoning and improving the space utilization rate of the layered energy storage cabinet.

[0036] Furthermore, referring to Figure 4 as shown, Figure 4 It is a rear structural diagram of a layered energy storage cabinet provided by an embodiment of the present utility model. The cabinet body 1000 further includes a plurality of air duct boxes 1600. The air duct boxes 1600 are used to connect the first cavity 1100 with the outside. The air duct boxes 1600 are arranged inside the third cabinet door 2300 and / or the fourth cabinet door 2400 and close to the loads inside the first cavity 1100. The air duct boxes 1600 include fans 1610. The fans 1610 are used to discharge the heat inside the first cavity 1100 to the outside. Thus, the equipment inside the first cavity 1100 can be fully cooled, and the heat dissipation efficiency of the layered energy storage cabinet is improved.

[0037] It should also be noted that, from Figure 4 it can be seen that the cabinet body 1000 further includes a plurality of air conditioners 1700. The air conditioners 1700 are connected to the second cavity 1200. The air conditioners 1700 are used to discharge the heat inside the second cavity 1200 to the outside. The air conditioners 1700 are arranged outside the third cabinet door 2300 and / or the fourth cabinet door 2400. Thus, the energy storage batteries inside the second cavity 1200 can be efficiently cooled, and the heat dissipation efficiency of the layered energy storage cabinet is improved.

[0038] Furthermore, from Figure 4 it can be seen that the second cavity 1200 further includes a plurality of return air ducts 1213. Each return air duct 1213 is arranged at the upper end of the second cavity 1200. The return air ducts 1213 are arranged side by side. The return air ducts 1213 are used to guide the heat generated by each energy storage battery to the air outlet of the air conditioner 1700. Thus, the heat dissipation efficiency of the layered energy storage cabinet is improved.

[0039] Furthermore, from Figure 4It can be seen that the second cavity 1200 further includes a plurality of wind baffle plates 1214. Each wind baffle plate 1214 is arranged at the rear end of the second cavity 1200, and the wind baffle plates 1214 are arranged in upper and lower layers. Each wind baffle plate 1214 is used to block the cold air of the air conditioner 1700 from directly blowing on the energy storage battery, which can avoid the rapid cooling of the outer surface of the energy storage battery due to the direct blowing of the cold air of the air conditioner 1700, so that the water vapor at this place condenses into liquid water to form a humid closed environment, thereby improving the service life of the energy storage battery.

[0040] Further, from Figure 3 It can be seen that the fifth cabinet door 2500 includes an electronic intelligent lock 2510. The electronic intelligent lock 2510 penetrates through the interior of the fifth cabinet door 2500, and thus can be remotely controlled by a mobile phone to send instructions to open the fifth cabinet door 2500, which is convenient for management.

[0041] It should be noted that, from Figure 3 and Figure 4 It can be seen that the first cavity partition 1400 includes a plurality of sealing strips 1410. The sealing strips 1410 are used as sealing components between the first cavity 1100 and the second cavity 1200. The sealing strips 1410 are arranged on the front side or the rear side of the first cavity partition 1400, and thus can form independent closed spaces for the first cavity 1100 and the second cavity 1200, improving the sealing performance inside the layered energy storage cabinet.

[0042] Further, from Figure 1 It can be seen that the cabinet body 1000 further includes a plurality of lifting rings 1800. The lifting rings 1800 are used as lifting connection components of the cabinet body 1000. Each lifting ring 1800 is arranged at the top of the cabinet body 1000, and thus can facilitate the movement of the layered energy storage cabinet.

[0043] Among them, from Figure 2 It can be seen that the first cavity 1100 includes a heat preservation interlayer 1110. The heat preservation interlayer 1110 is located at the bottom of the first cavity 1100. The heat preservation interlayer 1110 is used as a heat insulation component between the first cavity 1100 and the second cavity 1200, and thus can avoid the formation of condensed water due to the temperature difference between the upper and lower surfaces at the bottom of the first cavity 1100, forming a humid closed environment, and improving the service life of the energy storage high-voltage box and the energy storage inverter.

[0044] Further, from Figure 1 It can be seen that the second cavity 1200 further includes a perfluorinated hexanone fire extinguishing device 1215. The perfluorinated hexanone fire extinguishing device 1215 is used to block a fire inside the cabinet body 1000. The perfluorinated hexanone fire extinguishing device 1215 is arranged inside the first cavity 1100, and thus can improve the safety of the layered energy storage cabinet.

[0045] It should be understood that in the present utility model, "at least one (item)" means one or more, and "a plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that there can be three relationships. For example, "A and / or B" can mean: only A exists, only B exists, and both A and B exist simultaneously. Here, A and B can be singular or plural. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. "At least one (item) of the following" or its similar expressions refer to any combination of these items, including any combination of single items (items) or plural items (items). For example, at least one (item) of a, b, or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0046] In several embodiments provided by the present utility model, it should be understood that the disclosed system and principle method can be implemented in other ways. For example, the system embodiments described above are merely illustrative. For example, the division of the above units is only a logical function division. In actual implementation, there can be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed coupling or direct coupling or communication connection between each other can be through some interfaces. The indirect coupling or communication connection of devices or units can be in electrical, mechanical, or other forms.

[0047] The units described above as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0048] In addition, each functional unit in various embodiments of the present utility model can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit. The above integrated units can be implemented in the form of hardware or in the form of software functional units.

[0049] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present utility model.

Claims

1. A hierarchical energy storage cabinet, characterized in that , including: A cabinet body, the cabinet body includes a first cavity, a second cavity, a third cavity, a first cavity partition board and a second cavity partition board. The first cavity partition board is arranged inside the cabinet body. The first cavity is arranged above the first cavity partition board. The second cavity is arranged below the first cavity partition board. The second cavity partition board is arranged inside the cabinet body. The third cavity is arranged on the right side of the second cavity partition board. The first cavity and the second cavity are arranged on the left side of the second cavity partition board. The first cavity is used for placing an energy storage high-voltage box and an energy storage inverter. The second cavity is used for placing a plurality of energy storage batteries. The third cavity is used for placing electrical components. Among them, the second cavity includes a plurality of battery rack bodies. The battery rack bodies are arranged side by side left and right. Each battery rack body is arranged inside the second cavity. The battery rack body includes a plurality of first fixed rails and a plurality of second fixed rails. The first fixed rails are arranged in layers up and down. The second fixed rails are arranged in layers up and down. The layer spacing between the first fixed rails is equal to the layer spacing between the second fixed rails. Each first fixed rail is located on one side of the battery rack body. Each second fixed rail is located on the other side of the battery rack body. The first fixed rail and the second fixed rail in the same layer are arranged oppositely. The first fixed rail and the second fixed rail are both used for fixing the energy storage battery.

2. The hierarchical energy storage cabinet according to claim 1, wherein, The cabinet body also includes a first cabinet door, a second cabinet door, a third cabinet door, a fourth cabinet door and a fifth cabinet door. The first cabinet door is arranged at the left front of the first cavity and the second cavity. The second cabinet door is arranged at the right front of the first cavity and the second cavity. The third cabinet door is arranged at the right rear of the first cavity and the second cavity. The fourth cabinet door is arranged at the left rear of the first cavity and the second cavity. The fifth cabinet door is arranged directly in front of the third cavity.

3. The hierarchical energy storage cabinet according to claim 2, characterized in that, The cabinet body also includes a plurality of air duct boxes. The air duct boxes are used to connect the first cavity with the outside. The air duct boxes are arranged inside the third cabinet door and / or the fourth cabinet door and close to the load inside the first cavity. The air duct box includes a fan. The fan is used to discharge the heat in the first cavity to the outside.

4. The hierarchical energy storage cabinet according to claim 2, characterized in that, The cabinet body also includes a plurality of air conditioners. The air conditioners are connected to the second cavity. The air conditioners are used to discharge the heat in the second cavity to the outside. The air conditioners are arranged outside the third cabinet door and / or the fourth cabinet door.

5. The hierarchical energy storage cabinet according to claim 4, characterized in that, The second cavity also includes a plurality of return air ducts and a plurality of wind-proof baffles. Each return air duct is arranged at the upper end of the second cavity. The return air ducts are arranged side by side. The return air ducts are used to guide the heat generated by each energy storage battery to the air outlet of the air conditioner. Each wind-proof baffle is arranged at the rear end of the second cavity. The wind-proof baffles are arranged in layers up and down. Each wind-proof baffle is used to block the cold air of the air conditioner from directly blowing on the energy storage battery.

6. The hierarchical energy storage cabinet according to claim 2, wherein, The fifth cabinet door includes an electronic intelligent lock. The electronic intelligent lock penetrates through the inside of the fifth cabinet door.

7. The hierarchical energy storage cabinet according to claim 1, characterized in that, The first cavity partition includes a plurality of sealing strips, which are used as sealing components for the first cavity and the second cavity, and the sealing strips are arranged on the front side or the rear side of the first cavity partition.

8. A hierarchical energy storage cabinet according to claim 1, wherein The cabinet further includes a plurality of lifting rings, which are used as lifting connection components of the cabinet, and each of the lifting rings is arranged on the top of the cabinet.

9. A hierarchical energy storage cabinet according to claim 1, wherein, The first cavity includes a thermal insulation layer, which is located at the bottom of the first cavity, and the thermal insulation layer is used as a heat insulation component between the first cavity and the second cavity.

10. A hierarchical energy storage cabinet according to claim 1, wherein, The second cavity further includes a perfluoropentanone fire extinguishing device, which is used to block a fire occurring inside the cabinet, and the perfluoropentanone fire extinguishing device is arranged inside the first cavity.

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