Outdoor battery energy storage cabinet

Abstract

The utility model discloses an outdoor battery energy storage cabinet. The liquid cooling cabinet chamber is provided with a liquid level limit switch and a diversion trench. The top plate, the side plates, the bottom plate and the cabinet door of the cabinet body are respectively provided with heat insulation materials. The heat conductivity coefficient of the top plate heat-insulating material of the cabinet body is different from that of the side plate heat-insulating material of the cabinet body, the bottom plate heat-insulating material of the cabinet body and the heat-insulating material of the cabinet door; the thickness of the top plate of the cabinet body, the thickness of the side plate, the thickness of the bottom plate and the thickness of the cabinet door are different; the bottoms of the electrical cabinet chamber, the DC switch cabinet chamber, the converter cabinet chamber and the fire-fighting cabinet chamber are respectively provided with heat insulation sponges. And heat insulation sponge is arranged on the inner wall of the battery cabinet chamber. According to the technical scheme of the utility model, the consistency of the temperature around the cabinet body and the integration of heat management are realized, the temperature of each cabinet chamber is ensured, the energy storage efficiency of the battery energy storage cabinet is improved, and each cabinet chamber is independently and hierarchically designed, so that the maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of outdoor battery energy storage cabinets, and particularly relates to an outdoor battery energy storage cabinet. Background Technique

[0002] An outdoor energy storage cabinet is an energy storage device specially designed for outdoor environments. It is mainly used to store electrical energy for emergencies. These energy storage cabinets usually consist of a battery pack, a battery management system (BMS), an energy management system (EMS), a power conversion system (PCS), and other related electrical and thermal management systems.

[0003] Transformer substation area energy storage refers to the technology of building energy storage facilities in a specific area or region to store electrical energy and release it when needed to balance the grid load, improve the stability and flexibility of the grid. Transformer substation area energy storage can adopt different technologies, such as battery energy storage, supercapacitor energy storage, compressed air energy storage, etc. Among them, battery energy storage is the most widely used and is used to deal with problems such as grid fluctuations, reverse overload and end overvoltage, and three-phase imbalance, improving the reliability and efficiency of the grid. Through the application of transformer substation area energy storage, the stable operation of the grid and the efficient utilization of energy can be promoted.

[0004] At present, when the outdoor battery energy storage cabinet for transformer substation area energy storage is assembled outdoors, various devices are centrally arranged in one cabinet. This method is not convenient for separately overhauling the outdoor energy storage cabinet, the overhaul efficiency is low, and the working temperature of each device cannot be guaranteed, reducing the overall working efficiency of the battery energy storage cabinet. Content of the Utility Model

[0005] The utility model provides an outdoor battery energy storage cabinet, which realizes the consistency of the temperature around the cabinet body and the integration of thermal management, ensures the temperature of each cabinet room, and improves the energy storage efficiency and overhaul efficiency of the battery energy storage cabinet.

[0006] According to one aspect of the utility model, an embodiment of the utility model provides an outdoor battery energy storage cabinet, including:

[0007] A cabinet body and a cabinet door. The interior of the cabinet body includes independent electrical cabinet rooms, battery cabinet rooms, AC / DC cabinet rooms, liquid-cooled machine cabinet rooms, and fire protection cabinet rooms;

[0008] The liquid-cooled machine cabinet room is provided with a liquid level limit switch and a diversion groove; the liquid level limit switch and the diversion groove are located at the bottom of the liquid-cooled machine cabinet room; the liquid level limit switch is used to detect the position of the liquid in the cabinet body, and the diversion groove is used to divert the liquid in the cabinet body to the outside of the cabinet;

[0009] The top plate, side plates, bottom plate and cabinet door of the cabinet body are respectively provided with heat-insulating materials; the heat conductivity coefficient of the heat-insulating material of the top plate of the cabinet body is different from the heat conductivity coefficients of the heat-insulating materials of the side plates, the bottom plate and the cabinet door of the cabinet body; the thicknesses of the top plate, side plates, bottom plate and cabinet door of the cabinet body are all different;

[0010] Heat-insulating sponges are respectively arranged at the bottoms of the electrical cabinet room, AC / DC cabinet room and fire protection cabinet room; heat-insulating sponges are arranged on the inner walls of the battery cabinet room.

[0011] Optionally, the thickness of the top plate of the cabinet body is greater than the thickness of the side plates of the cabinet body; the thickness of the side plates of the cabinet body is greater than the thickness of the bottom plate of the cabinet body;

[0012] The heat conductivity coefficient of the heat-insulating material of the top plate of the cabinet body is less than the heat conductivity coefficient of the heat-insulating material of the side plates of the cabinet body; the heat conductivity coefficient of the heat-insulating material of the side plates of the cabinet body is equal to the heat conductivity coefficients of the heat-insulating materials of the bottom plate and the cabinet door of the cabinet body.

[0013] Optionally, the thickness of the top plate of the cabinet body is 2 cm, the thicknesses of the side plates of the cabinet body are all 1.5 cm, and the thickness of the bottom plate of the cabinet body is 0.5 cm; the heat conductivity coefficient of the heat-insulating material of the top plate of the cabinet body is 0.23 w / (m·k), and the heat conductivity coefficients of the heat-insulating materials of the side plates, the bottom plate and the cabinet door of the cabinet body are all 0.33 w / (m·k).

[0014] Optionally, the battery cabinet room is provided with a smoke sensor and an internal thread groove; both the smoke sensor and the internal thread groove are located at the top of the battery cabinet room; the smoke sensor is used to detect the concentrations of hydrogen and carbon monoxide in the battery cabinet room; the internal thread groove is used to fix the hanging ring;

[0015] The electrical cabinet room has an electrical cabinet door; an end mill lock, a screen rectangular hole, a threaded hole for the incoming line control switch of the uninterruptible power supply system, a threaded hole for the outgoing line control switch of the uninterruptible power supply system and a threaded hole for the power control switch of the liquid cooler are arranged on the electrical cabinet door.

[0016] Optionally, the outdoor battery energy storage cabinet further includes:

[0017] The first-layer horizontal tray, the second-layer horizontal tray, the third-layer horizontal tray, the fourth-layer horizontal tray and the vertical partition;

[0018] The vertical partition divides the interior of the cabinet into a first area and a second area, and the first area and the second area are arranged along a first direction; the first horizontal support plate, the second horizontal support plate, the third horizontal support plate, and the fourth horizontal support plate are sequentially arranged in the first area along a second direction; the first horizontal support plate is located at the bottom of the first area; the second horizontal support plate, the third horizontal support plate, and the fourth horizontal support plate divide the first area into a liquid cooling cabinet room, an electrical cabinet room, an AC / DC cabinet room, and a fire protection cabinet room; the second area is a battery cabinet room; wherein, the second direction is perpendicular to the first direction.

[0019] Optionally, a liquid chiller fixing groove is provided on the first horizontal support plate; a horizontal limiting guide rail is provided on the third horizontal support plate; a fixing threaded hole for the fire protection cabinet room is provided on the fourth horizontal support plate; fixing threaded holes for a DC switch cabinet and a converter cabinet room are provided on the side surface of the fourth horizontal support plate;

[0020] Liquid cooling pipeline perforations, primary wire harness perforations, fire protection wire harness perforations, and lock buckles are provided on the vertical partition; telescopic rubber rings are provided in the liquid cooling pipeline perforations.

[0021] Optionally, a plurality of first hierarchical sliding rails and a plurality of second hierarchical sliding rails are provided in the battery cabinet room, the plurality of first hierarchical sliding rails are located on the vertical partition; the plurality of second hierarchical sliding rails are located on the first side plate of the cabinet; the plurality of first hierarchical sliding rails and the plurality of second hierarchical sliding rails are arranged at intervals along the second direction; the first hierarchical sliding rails and the second hierarchical sliding rails correspond one by one; fixing threaded holes are provided on both the first hierarchical sliding rails and the second hierarchical sliding rails; the first side plate and the vertical partition are arranged opposite to each other along the first direction;

[0022] A travel switch mounting plate is provided at the top of the fire protection cabinet room; a travel switch is provided on the travel switch mounting plate.

[0023] Optionally, the side plates of the cabinet include a first side plate and a second side plate; the first side plate and the second side plate are arranged opposite to each other; a detachable plate is provided on the second side plate; the cabinet door includes a first cabinet door and a second cabinet door; the first cabinet door is movably connected to the first end face of the second side plate; the second cabinet door is movably connected to the first end face of the first side plate;

[0024] A first door handle is provided on the outer surface of the first cabinet door, and a second door handle is provided on the outer surface of the second cabinet door; an operating status indicator light, a PCS emergency braking button, and a first heat dissipation hole mesh are provided on the outer surface of the first cabinet door; a rain shield strip is provided on the inner surface of the heat dissipation hole mesh; sealing rubber strips are provided on the inner surfaces of both the first cabinet door and the second cabinet door.

[0025] Optionally, the cabinet door further includes a third cabinet door and a fourth cabinet door; the third cabinet door is movably connected to the second end face of the second side plate; the fourth cabinet door is movably connected to the second end face of the first side plate; the first cabinet door and the third cabinet door are arranged opposite to each other; the second cabinet door and the fourth cabinet door are arranged opposite to each other;

[0026] On the outer surface of the third cabinet door, there are a third door handle, a second heat dissipation hole mesh, and a third heat dissipation hole mesh; on the inner surface of the second heat dissipation hole mesh, there are rain shield strips; on the inner surface of the third cabinet door, there is a fan channel mesh corresponding to the third heat dissipation hole mesh; on the surface of the fan channel mesh close to the third heat dissipation hole mesh, there are fan card slots;

[0027] On the outer surface of the fourth cabinet door, there is a pressure relief valve for the battery cabinet room; on the inner surfaces of the third cabinet door and the fourth cabinet door, there are sealing rubber strips.

[0028] Optionally, the bottom plate of the cabinet body is provided with a fixing structure; the fixing structure includes a bottom shell, a connecting plate, and an I-shaped steel frame; the connecting plate is fixed to the side of the bottom shell; the I-shaped steel frame is fixed to the lower surface of the bottom shell.

[0029] In the embodiment of the present utility model, the thermal conductivity coefficient of the heat insulation material of the top plate of the cabinet body is different from that of the heat insulation materials of the side plates, the bottom plate, and the cabinet door of the cabinet body, and the thicknesses of the top plate, the side plates, the bottom plate, and the cabinet door of the cabinet body are also different. Since the degrees of sunlight irradiation on the top plate, the side plates, the bottom plate, and the cabinet door of the cabinet body are different, the temperatures of the top plate, the side plates, the bottom plate, and the cabinet door of the cabinet body are different. By such a setting, the heat dissipation effects of the top plate, the side plates, the bottom plate, and the cabinet door of the cabinet body are different, achieving the basic consistency of the temperatures of the top plate, the side plates, the bottom plate, and the cabinet door of the cabinet body. In addition, heat insulation sponges are respectively arranged at the bottoms of the electrical cabinet room, the AC / DC cabinet room, and the fire protection cabinet room; heat insulation sponges are arranged on the inner wall of the battery cabinet room. When the liquid cooler cools the battery packs in the battery cabinet room, it prevents the temperatures of the battery cabinet room, the electrical cabinet room, the AC / DC cabinet room, the liquid cooler cabinet room, and the fire protection cabinet room from exchanging with each other, realizing integrated thermal management, ensuring the temperatures of each cabinet room, enabling the equipment placed in each cabinet room to work with higher efficiency at the corresponding temperatures, thereby improving the energy storage efficiency of the battery energy storage cabinet, and the independent layered design of each cabinet room facilitates maintenance.

[0030] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the present utility model, nor is it used to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0032] Figure 1It is a schematic diagram of the three-dimensional front view structure of an outdoor battery energy storage cabinet provided by an embodiment of the present utility model;

[0033] Figure 2 It is a schematic diagram of the three-dimensional front view structure with the first cabinet door and the second cabinet door of an outdoor battery energy storage cabinet opened, provided by an embodiment of the present utility model;

[0034] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the electrical cabinet room and the battery cabinet room of an outdoor battery energy storage cabinet provided by an embodiment of the present utility model

[0035] Figure 4 It is a schematic diagram of the three-dimensional side view structure of an outdoor battery energy storage cabinet provided by an embodiment of the present utility model;

[0036] Figure 5 It is a schematic diagram of the three-dimensional rear view structure of an outdoor battery energy storage cabinet provided by an embodiment of the present utility model;

[0037] Figure 6 It is a schematic diagram of the three-dimensional structure with the third cabinet door and the fourth cabinet door of an outdoor battery energy storage cabinet opened, provided by an embodiment of the present utility model. Detailed implementation manners

[0038] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present utility model described herein can be implemented in an order different from those illustrated or described herein. In addition, the terms "comprising" and "having" any deformation 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 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.

[0040] An embodiment of the present utility model provides an outdoor battery energy storage, Figure 1 It is a schematic diagram of the three-dimensional front view structure of an outdoor battery energy storage cabinet provided by the present utility model.Figure 2 This is a three-dimensional front view structural schematic diagram of the opening of the first cabinet door and the second cabinet door of an outdoor battery energy storage cabinet provided by an embodiment of the present utility model. Refer to Figure 1 - Figure 2 , the outdoor battery energy storage cabinet includes: a cabinet body 1 and a cabinet door. The interior of the cabinet body 1 includes independent electrical cabinet rooms 5, battery cabinet rooms 9, AC / DC cabinet rooms 6, liquid cooling machine cabinet rooms 7, and fire protection cabinet rooms 8; a liquid level limit switch 72 and a diversion trough 73 are provided in the liquid cooling machine cabinet room 7; the liquid level limit switch 72 and the diversion trough 73 are located at the bottom of the liquid cooling machine cabinet room 7; the liquid level limit switch 72 is used to detect the position of the liquid in the cabinet body 1, and the diversion trough 73 is used to divert the liquid in the cabinet body 1 to the outside of the cabinet body 1; heat insulation materials are respectively provided on the top plate 10, side plates, bottom plate 11, and cabinet door of the cabinet body 1; the thermal conductivity of the heat insulation material on the top plate 10 of the cabinet body 1 is different from the thermal conductivities of the heat insulation materials on the side plates, bottom plate 11, and cabinet door of the cabinet body 1; the thicknesses of the top plate 10, side plates, bottom plate 11, and cabinet door of the cabinet body 1 are all different; heat insulation sponges 51 are respectively provided at the bottoms of the electrical cabinet room 5, AC / DC cabinet room 6, and fire protection cabinet room 8; heat insulation sponges 51 are provided on the inner walls of the battery cabinet room 9.

[0041] Among them, the cabinet door includes a first cabinet door 3, a second cabinet door 4, a third cabinet door, and a fourth cabinet door. The side plates include a first side plate 12 and a second side plate 13. The electrical cabinet room 5 is used to place a battery management system and an energy management system; multiple battery packs are placed in the battery cabinet room 9; the AC / DC cabinet room 6 is used to place a DC switch and an energy storage inverter; the liquid cooling machine cabinet room 7 is used to place a liquid cooling machine, a liquid level limit switch 72, and a diversion trough 73; the fire protection cabinet room 8 is used to place a perfluoromethylhexanone fire extinguishing device and an alarm device; the electrical cabinet room 5, battery cabinet room 9, AC / DC cabinet room 6, liquid cooling machine cabinet room 7, and fire protection cabinet room 8 are designed with independent layers.

[0042] The liquid level limit switch 72 is used to detect the position of the liquid in the cabinet body 1, and the diversion trough 73 is used to divert the liquid in the cabinet body 1 to the outside of the cabinet body 1. When the liquid cooling machine leaks or rainwater enters the cabinet body 1, the diversion trough 73 facilitates the timely discharge of the leaked liquid of the liquid cooling machine and rainwater.

[0043] In the embodiment of the present utility model, the thermal conductivity coefficient of the heat-insulating material of the top plate 10 of the cabinet body 1 is different from that of the heat-insulating materials of the side plates of the cabinet body 1, the bottom plate 11 of the cabinet body 1, and the heat-insulating material of the cabinet door, and the thicknesses of the top plate 10 of the cabinet body 1, the side plates, the bottom plate 11, and the cabinet door are also different. Since the degrees of sunlight irradiation on the top plate 10, the side plates, the bottom plate 11, and the cabinet door of the cabinet body 1 are different, the heat absorptions of the top plate 10, the side plates, the bottom plate 11, and the cabinet door of the cabinet body 1 are different. By such a setting, the heat dissipation effects of the top plate 10, the side plates, the bottom plate 11, and the cabinet door of the cabinet body 1 are different, achieving the basic consistency of the temperatures of the top plate 10, the side plates, the bottom plate 11, and the cabinet door of the cabinet body 1. In addition, heat-insulating sponges 51 are respectively arranged at the bottoms of the electrical cabinet room 5, the AC / DC cabinet room 6, and the fire protection cabinet room 8; heat-insulating sponges 51 are arranged on the inner walls of the battery cabinet room 9. When the liquid cooler cools the battery packs in the battery cabinet room 9, it prevents the temperatures of the battery cabinet room 9, the electrical cabinet room 5, the AC / DC cabinet room 6, the liquid cooler cabinet room 7, and the fire protection cabinet room 8 from exchanging with each other, realizing integrated thermal management, ensuring the temperatures of each cabinet room, enabling the equipment placed in each cabinet room to have a higher working efficiency at the corresponding temperature, thereby improving the energy storage efficiency of the battery energy storage cabinet, and the independent layered design of each cabinet room facilitates maintenance.

[0044] See Figure 1 Or Figure 2 Optionally, on the basis of the above embodiment, the thickness of the top plate 10 of the cabinet body 1 is greater than the thickness of the side plates of the cabinet body 1; the thickness of the side plates of the cabinet body 1 is greater than the thickness of the bottom plate 11 of the cabinet body; the thermal conductivity coefficient of the heat-insulating material of the top plate 10 of the cabinet body is less than the thermal conductivity coefficient of the heat-insulating material of the side plates of the cabinet body 1; the thermal conductivity coefficient of the heat-insulating material of the side plates of the cabinet body 1 is equal to the thermal conductivity coefficients of the heat-insulating materials of the bottom plate 11 of the cabinet body and the heat-insulating material of the cabinet door.

[0045] Specifically, the degrees of heat absorption of the side plates of the cabinet body 1, the bottom plate 11 of the cabinet body, and the cabinet door are all less than that of the top plate. The thermal conductivity coefficient of the heat-insulating material of the top plate 10 of the cabinet body 1 is less than the thermal conductivity coefficient of the heat-insulating material of the side plates of the cabinet body 1, and the thermal conductivity coefficient of the heat-insulating material of the side plates of the cabinet body 1 is equal to the thermal conductivity coefficients of the heat-insulating materials of the bottom plate 11 of the cabinet body and the heat-insulating material of the cabinet door, so that less heat generated on the top plate 10 of the cabinet body enters the cabinet. Moreover, the thickness of the top plate 10 of the cabinet body 1 is greater than the thickness of the side plates of the cabinet body 1, and the thickness of the side plates of the cabinet body 1 is greater than the thickness of the bottom plate 11 of the cabinet body, enabling the temperatures of each cabinet room inside the cabinet body 1 to be stable under different degrees of heat absorption, facilitating the realization of integrated thermal management.

[0046] See Figure 1 Or Figure 2, optionally, on the basis of the above embodiments, the thickness of the top plate 10 of the cabinet body 1 is 2 cm, the thicknesses of the side plates of the cabinet body 1 are all 1.5 cm, and the thickness of the bottom plate 11 of the cabinet body 1 is 0.5 cm; the thermal conductivity coefficient of the heat insulation material of the top plate 10 of the cabinet body 1 is 0.23 w / (m·k), and the thermal conductivity coefficients of the heat insulation materials of the side plates of the cabinet body 1, the bottom plate 11 of the cabinet body 1 and the cabinet door are all 0.33 w / (m·k).

[0047] In the present utility model, through such a setting, the temperatures of the top plate 10, the side plates, the bottom plate 11 and the cabinet door of the cabinet body 1 are basically the same, the temperatures of each cabinet compartment are kept stable, and it is convenient to realize the integration of thermal management.

[0048] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the electrical cabinet compartment and the battery cabinet compartment of an outdoor battery energy storage cabinet provided by an embodiment of the present utility model. Refer to Figure 3 , optionally, on the basis of the above embodiments, the battery cabinet compartment 9 is provided with a smoke sensor 93 and an internal thread groove 22; the smoke sensor 93 and the internal thread groove 22 are both located at the top of the battery cabinet compartment 9; the smoke sensor 93 is used to detect the concentrations of hydrogen and carbon monoxide in the battery cabinet compartment 9; the internal thread groove 22 is used to fix the lifting ring; the electrical cabinet compartment 5 has an electrical cabinet door 52; an L-shaped lock 521, a screen rectangular hole 520, an uninterruptible power supply system incoming line control switch threaded hole 522

[0049] , an uninterruptible power supply system outgoing line control switch threaded hole 523 and a liquid cooler power control switch threaded hole 524 are provided on the electrical cabinet door 52.

[0050] Among them, the L-shaped lock 521 is used to fix the electrical cabinet door 52, the uninterruptible power supply system incoming line control switch threaded hole 522 is used to pass through the incoming line of the uninterruptible power supply system, the uninterruptible power supply system outgoing line control switch threaded hole 523 is used to pass through the outgoing line of the uninterruptible power supply system, and the liquid cooler power control switch threaded hole 524 is used to pass through the electrical connection line between the battery management system and the equipment in the liquid cooler cabinet compartment 7. The internal thread groove 22 is used to fix the lifting ring, which is convenient for lifting and moving the battery energy storage cabinet.

[0051] Refer to Figure 2, Optionally, based on the above embodiments, the outdoor battery energy storage cabinet further includes: a first-layer horizontal support plate 70, a second-layer horizontal support plate 50, a third-layer horizontal support plate 60, a fourth-layer horizontal support plate 80, and a vertical partition 11; the vertical partition 11 divides the interior of the cabinet body 1 into a first area and a second area, and the first area and the second area are arranged along the first direction X; the first-layer horizontal support plate 70, the second-layer horizontal support plate 50, the third-layer horizontal support plate 60, and the fourth-layer horizontal support plate 80 are sequentially arranged along the second direction Y in the first area; the first-layer horizontal support plate 70 is located at the bottom of the first area; the second-layer horizontal support plate 50, the third-layer horizontal support plate 60, and the fourth-layer horizontal support plate 80 divide the first area into a liquid-cooled machine cabinet room 7, an electrical cabinet room 5, an AC / DC cabinet room 6, and a fire protection cabinet room 8; the second area is a battery cabinet room 9; wherein, the second direction Y is perpendicular to the first direction X.

[0052] Among them, the vertical partition 11 is used to separate the battery cabinet room 9 from the liquid-cooled machine cabinet room 7, the electrical cabinet room 5, the AC / DC cabinet room 6, and the fire protection cabinet room 8. The liquid-cooled machine cabinet room 7 is located at the bottommost of the first area, the fire protection cabinet room 8 is located at the uppermost of the first area, the electrical cabinet room 5 is located between the liquid-cooled machine cabinet room 7 and the fire protection cabinet room 8 and is close to the liquid-cooled machine cabinet room 7; the AC / DC cabinet room 6 is located between the electrical cabinet room 5 and the fire protection cabinet room 8. The independent layered design of each cabinet room enables the battery energy storage cabinet to be quickly assembled, integrated, and maintained, facilitating rapid installation, thus ensuring the flexibility of the layout of this energy storage cabinet in the substation area and avoiding the problem of huge waste of manpower and time costs when the energy storage cabinet is disassembled and replaced at a later time.

[0053] See Figure 2 , Optionally, based on the above embodiments, a liquid-cooled machine fixing groove 74 is provided on the first-layer horizontal support plate 70; a horizontal limit guide rail 61 is provided on the third-layer horizontal support plate 60; a fixing threaded hole 81 for the fire protection cabinet room is provided on the fourth-layer horizontal support plate 80; fixing threaded holes 82 for the DC switch cabinet and fixing threaded holes 83 for the converter cabinet room are provided on the side of the fourth-layer horizontal support plate 80; a liquid-cooled pipeline perforation 113, a primary wire harness perforation 111, a fire protection wire harness perforation 110, and a lock buckle 114 are provided on the vertical partition 11; a telescopic rubber ring 115 is provided in the liquid-cooled pipeline perforation 113.

[0054] Among them, the liquid cooler fixing groove 74 is used to fix the liquid cooler. The horizontal limit guide rail 61 is used to ensure the positioning of the AC / DC cabinet room 6 on the third-layer horizontal support plate 60. The fixing threaded holes 81 of the fire cabinet room are used to fix the fire cabinet room 8 through nuts. The fixing threaded holes 82 of the DC switch cabinet and the fixing threaded holes 83 of the converter cabinet room are used to fix the AC / DC cabinet room 6 through nuts. The liquid cooling pipeline perforation 113 is used to pass the liquid cooling pipeline, the primary wire harness perforation 111 is used to pass the electrical connection line between the equipment in the battery cabinet room 9 and the AC / DC cabinet room 6, and the fire wire harness perforation 110 is used to pass the electrical connection line between the equipment in the fire cabinet room 8 and the AC / DC cabinet room 6. The telescopic rubber ring 115 is used to provide a good sealing effect, prevent the coolant from leaking through the liquid cooling pipeline perforation 113, and maintain the stability inside the cabinet body 1.

[0055] See Figure 2 and Figure 3 Optionally, on the basis of the above embodiments, the battery cabinet room 9 is provided with a plurality of first layered slide rails 90 and a plurality of second layered slide rails 91. The plurality of first layered slide rails 90 are located on the vertical partition 11; the plurality of second layered slide rails 91 are located on the first side plate 12 of the cabinet body 1; the plurality of first layered slide rails 90 and the plurality of second layered slide rails 91 are arranged at intervals along the second direction Y; the first layered slide rails 90 and the second layered slide rails 91 correspond to each other one by one; both the first layered slide rails 90 and the second layered slide rails 91 are provided with fixing threaded holes 92; the first side plate 12 and the vertical partition 11 are arranged opposite to each other along the first direction X; a travel switch mounting plate 16 is provided at the top of the fire cabinet room 8; a travel switch is provided on the travel switch mounting plate 16.

[0056] Among them, the fixing threaded holes 92 are used to fix the battery pack on the first layered slide rails 90 and the second layered slide rails 91, and the travel switch mounting plate 16 is used to improve the tightness of the battery energy storage cabinet.

[0057] When replacing or using the battery pack, the battery pack is directly pushed into the battery cabinet room 9 by hand through the first layered slide rails 90 and the second layered slide rails 91, and the battery pack is fixed on the first layered slide rails 90 and the second layered slide rails 91 by using the fixing threaded holes 92, which simplifies the installation, problem repair and replacement of the battery module and facilitates the flexible replacement of the battery module.

[0058] Figure 4 is a schematic three-dimensional side view structure diagram of an outdoor battery energy storage cabinet provided by an embodiment of the present invention; see Figure 1 、 Figure 2 and Figure 4, Optionally, on the basis of the above embodiments, the side plates of the cabinet body 1 include a first side plate 12 and a second side plate 13; the first side plate 12 and the second side plate 13 are arranged corresponding to each other; a detachable plate 130 is provided on the second side plate 13; the cabinet door includes a first cabinet door 3 and a second cabinet door 4; the first cabinet door 3 is movably connected to the first end face of the second side plate 13; the second cabinet door 4 is movably connected to the first end face of the first side plate 12; a first door handle 30 is provided on the outer surface of the first cabinet door 3, and a second door handle 40 is provided on the outer surface of the second cabinet door 4; a running status indicator light 31, a PCS emergency braking button 32 and a first heat dissipation hole net 33 are provided on the outer surface of the first cabinet door 3; a rain shield strip 34 is provided on the inner surface of the first heat dissipation hole net 33; sealing rubber strips 35 are provided on the inner surfaces of both the first cabinet door 3 and the second cabinet door 4.

[0059] Among them, the detachable plate 130 is used for inspecting and maintaining the equipment in the liquid-cooled cabinet room 7. The running status indicator light 31 is used for displaying the running status of the battery energy storage cabinet. The PCS emergency braking button 32 is used for emergently shutting down the operation of the battery energy storage cabinet when an unexpected situation occurs in the battery energy storage cabinet. The rain shield strip 34 is used for preventing rainwater from entering the electrical cabinet room 5, the AC / DC cabinet room 6, the liquid-cooled cabinet room 7 and the fire protection cabinet room 8. The sealing rubber strip 35 is used for improving the airtightness of the battery energy storage cabinet. The first heat dissipation hole net 33 is used for discharging the heat of the electrical cabinet room 5, the AC / DC cabinet room 6 and the fire protection cabinet room 8, and avoiding the high temperature of the electrical cabinet room 5, the AC / DC cabinet room 6 and the fire protection cabinet room 8.

[0060] Figure 5 It is a schematic perspective rear view structure diagram of an outdoor battery energy storage cabinet provided by an embodiment of the present invention; Figure 6 It is a schematic perspective structure diagram of the third cabinet door and the fourth cabinet door of an outdoor battery energy storage cabinet provided by an embodiment of the present invention. Refer to Figure 5 and Figure 6 , Optionally, on the basis of the above embodiments, the cabinet door further includes a third cabinet door 14 and a fourth cabinet door 15; the third cabinet door 14 is movably connected to the second end face of the second side plate 13; the fourth cabinet door 15 is movably connected to the second end face of the first side plate 12; the first cabinet door 3 and the third cabinet door 14 are arranged opposite to each other; the second cabinet door 4 and the fourth cabinet door 15 are arranged opposite to each other; a third door handle 140, a second heat dissipation hole net 144 and a third heat dissipation hole net 141 are provided on the outer surface of the third cabinet door 14; a rain shield strip 34 is provided on the inner surface of the second heat dissipation hole net 144; a fan channel net 142 corresponding to the third heat dissipation hole net 141 is provided on the inner surface of the third cabinet door 14; a fan card slot 143 is provided on the surface of the fan channel net 142 close to the third heat dissipation hole net 141; a battery cabinet room pressure relief valve 150 is provided on the outer surface of the fourth cabinet door 15; sealing rubber strips 35 are provided on the inner surfaces of both the third cabinet door 14 and the fourth cabinet door 15.

[0061] Among them, the second heat dissipation hole net 144 is used to discharge the heat of the electrical cabinet room 5, the AC / DC cabinet room 6, the liquid-cooled cabinet room 7, and the fire protection cabinet room 8. The fan channel net 142 corresponds to the third heat dissipation hole net 141 and is used to guide air to flow through the heat dissipation hole net to improve the heat dissipation efficiency; the fan slot 143 is used to fix the position of the fan to ensure that the fan can effectively extract heat from the cabinet body 1 or introduce external cold air; the pressure relief valve 150 of the battery cabinet room is used to prevent the battery cabinet room 9 from exploding due to too high temperature.

[0062] See Figure 1 , optionally, on the basis of the above embodiment, the bottom plate 11 of the cabinet body 1 is provided with a fixing structure 21; the fixing structure 21 includes a bottom shell 210, a connecting plate 211, and an I-shaped steel frame 212; the connecting plate 211 is fixed to the side surface of the bottom shell 210; the I-shaped steel frame 212 is fixed to the lower surface of the bottom shell 210.

[0063] Among them, the connecting plate 211 is used to fix the I-shaped steel frame 212 to the bottom shell 210, and the connecting plate 211 is fixed to the side surface of the bottom plate 11 through screws 213; the I-shaped steel frame 212 has a high load-bearing capacity, and the connecting plate 211 can provide additional support. Through the connecting plate 211 and the I-shaped steel frame 212, it can be ensured that the battery energy storage cabinet is not easily toppled or moved during placement or use.

[0064] It should be understood that various forms of the processes shown above can be used, reordering, adding, or deleting steps. For example, the steps described in the present invention can be executed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of the present invention can be achieved. This is not limited herein.

[0065] The above specific embodiments do not constitute a limitation to the protection scope of the present invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An outdoor battery energy storage cabinet, characterized in that: include: The cabinet body and cabinet door, wherein the interior of the cabinet body includes mutually independent electrical cabinet rooms, battery cabinet rooms, AC and DC cabinet rooms, liquid cooling cabinet rooms and fire cabinet rooms; The liquid cooling cabinet chamber is provided with a liquid level limit switch and a guide groove; the liquid level limit switch and the guide groove are located at the bottom of the liquid cooling cabinet chamber; the liquid level limit switch is used to detect the position of the liquid in the cabinet, and the guide groove is used to guide the liquid in the cabinet to the outside of the cabinet; The top plate, side plate, bottom plate and door of the cabinet are respectively provided with heat-insulating materials; the heat conductivity of the heat-insulating material of the top plate of the cabinet is different from the heat-insulating material of the side plate of the cabinet, the heat-insulating material of the bottom plate of the cabinet and the heat-insulating material of the door; the thickness of the top plate of the cabinet, the thickness of the side plate, the thickness of the bottom plate and the thickness of the door are all different; The bottoms of the electrical cabinet room, the AC / DC cabinet room and the fire cabinet room are respectively provided with heat insulation sponges; the inner wall of the battery cabinet room is provided with heat insulation sponges.

2. The outdoor battery energy storage cabinet according to claim 1, characterized in that: The thickness of the top plate of the cabinet is greater than the thickness of the side plate of the cabinet; the thickness of the side plate of the cabinet is greater than the thickness of the bottom plate of the cabinet; The thermal conductivity of the insulation material of the top plate of the cabinet is smaller than that of the insulation material of the side plate of the cabinet; the thermal conductivity of the insulation material of the side plate of the cabinet is equal to the thermal conductivity of the insulation material of the bottom plate of the cabinet and the thermal conductivity of the insulation material of the cabinet door.

3. The outdoor battery energy storage cabinet according to claim 2, characterized in that: The thickness of the top plate of the cabinet is 2 cm, the thickness of the side plates of the cabinet is 1.5 cm, and the thickness of the bottom plate of the cabinet is 0.5 cm; the thermal conductivity coefficient of the insulation material of the top plate of the cabinet is 0.23 w / (m·k), and the thermal conductivity coefficients of the insulation material of the side plates of the cabinet, the insulation material of the bottom plate of the cabinet and the insulation material of the cabinet door are all 0.33 w / (m·k).

4. The outdoor battery energy storage cabinet according to claim 1, characterized in that: The battery cabinet chamber is provided with a smoke sensor and an internal thread groove; the smoke sensor and the internal thread groove are both located at the top of the battery cabinet chamber; the smoke sensor is used to detect the concentration of hydrogen and carbon monoxide in the battery cabinet chamber; the internal thread groove is used to fix the lifting ring; The electrical cabinet room has an electrical cabinet door; the electrical cabinet door is provided with a straight lock, a rectangular screen hole, a threaded hole for an uninterruptible power supply system incoming line control switch, a threaded hole for an uninterruptible power supply system outgoing line control switch and a threaded hole for a liquid cooler power supply control switch.

5. The outdoor battery energy storage cabinet according to claim 1, characterized in that: Also includes: A first-layer horizontal pallet, a second-layer horizontal pallet, a third-layer horizontal pallet, a fourth-layer horizontal pallet and a vertical partition; The vertical partition divides the inner part of the cabinet into a first area and a second area, and the first area and the second area are arranged along a first direction; The first layer of horizontal pallets, the second layer of horizontal pallets, the third layer of horizontal pallets, and the fourth layer of horizontal pallets are arranged in sequence along the second direction within the first area; the first layer of horizontal pallets is located at the bottom of the first area; the second layer of horizontal pallets, the third layer of horizontal pallets, and the fourth layer of horizontal pallets divide the first area into a liquid cooling cabinet room, an electrical cabinet room, an AC / DC cabinet room, and a fire cabinet room; the second area is the battery cabinet room; wherein the second direction is perpendicular to the first direction.

6. The outdoor battery energy storage cabinet according to claim 5, characterized in that: The first-layer horizontal support plate is provided with a liquid cooler fixing groove; the third-layer horizontal support plate is provided with a horizontal limit rail; the fourth-layer horizontal support plate is provided with a fire cabinet room fixing threaded hole; the side of the fourth-layer horizontal support plate is provided with a DC switch cabinet fixing threaded hole and a converter cabinet room fixing threaded hole; The vertical partition is provided with a liquid cooling pipeline perforation, a primary wiring harness perforation, a fire harness perforation and a lock buckle; the liquid cooling pipeline perforation is provided with a telescopic rubber ring.

7. The outdoor battery energy storage cabinet according to claim 5, characterized in that: The battery cabinet chamber is provided with a plurality of first layered slide rails and a plurality of second layered slide rails, wherein the plurality of first layered slide rails are located on the vertical partition; the plurality of second layered slide rails are located on the first side plate of the cabinet; the plurality of first layered slide rails and the plurality of second layered slide rails are arranged at intervals along the second direction; the first layered slide rails correspond to the second layered slide rails one by one; the first layered slide rails and the second layered slide rails are both provided with fixing threaded holes; the first side plate and the vertical partition are arranged opposite to each other along the first direction; A travel switch mounting plate is arranged on the top of the fire fighting cabinet room; a travel switch is arranged on the travel switch mounting plate.

8. The outdoor battery energy storage cabinet according to claim 1, characterized in that: The side panels of the cabinet body include a first side panel and a second side panel; the first side panel is arranged corresponding to the second side panel; a detachable panel is arranged on the second side panel; the cabinet door includes a first cabinet door and a second cabinet door; the first cabinet door is movably connected to the first end surface of the second side panel; the second cabinet door is movably connected to the first end surface of the first side panel; A first door handle is provided on the outer surface of the first cabinet door, and a second door handle is provided on the outer surface of the second cabinet door; an operation status indicator light, a PCS emergency brake button and a first heat dissipation hole mesh are provided on the outer surface of the first cabinet door; a rain shield strip is provided on the inner surface of the heat dissipation hole mesh; sealing strips are provided on the inner surfaces of the first cabinet door and the second cabinet door.

9. The outdoor battery energy storage cabinet according to claim 8, characterized in that: The cabinet door further comprises a third cabinet door and a fourth cabinet door; the third cabinet door is movably connected to the second end surface of the second side plate; the fourth cabinet door is movably connected to the second end surface of the first side plate; the first cabinet door and the third cabinet door are arranged correspondingly; the second cabinet door and the fourth cabinet door are arranged correspondingly; The outer surface of the third cabinet door is provided with a third door handle, a second heat dissipation hole net and a third heat dissipation hole net; the inner surface of the second heat dissipation hole net is provided with a rain shield strip; the inner surface of the third cabinet door is provided with a fan channel net corresponding to the third heat dissipation hole net; the surface of the fan channel net close to the third heat dissipation hole net is provided with a fan slot; A battery cabinet chamber pressure relief valve is arranged on the outer surface of the fourth cabinet door; and sealing strips are arranged on the inner surfaces of the third cabinet door and the fourth cabinet door.

10. The outdoor battery energy storage cabinet according to claim 1, characterized in that: The bottom plate of the cabinet is provided with a fixing structure; the fixing structure comprises a bottom shell, a connecting plate and an I-shaped steel frame; the connecting plate is fixed to the side of the bottom shell; the I-shaped steel frame is fixed to the lower surface of the bottom shell.

Images