Sodium salt battery outdoor energy storage cabinet

Abstract

A sodium salt battery outdoor energy storage cabinet comprises a cabinet body welding frame assembly, outer sealing plate components are arranged on the top, the bottom, the left side face and the right side face of the cabinet body welding frame assembly, door frame assemblies are arranged on the front side face and the rear side face of the cabinet body welding frame assembly, and an electrical cabin and a plurality of battery cabins are arranged in the cabinet body welding frame assembly in a separated mode. The electrical cabin and the battery cabin are both provided with cabin door plate assemblies capable of being opened and closed. The cabin door plate assemblies are both hinged to the cabinet body welding frame assembly. An electrical component placing rack assembly is arranged in the electrical cabin, and a plurality of layers of battery pack placing brackets are arranged in the battery cabin. The outdoor energy storage cabinet for the high-temperature sodium salt battery is high in stored energy, good in maintainability, high in protection reliability and higher in environmental applicability; and the application field and scene of the high-temperature sodium salt battery are widely expanded.

Description

Technical Field

[0001] This utility model belongs to the field of sodium salt battery energy storage technology, specifically relating to an outdoor sodium salt battery energy storage cabinet. Background Technology

[0002] Sodium salt batteries are a type of high-temperature semi-solid sodium battery. They are characterized by stable product properties, high safety performance, long service life, wide range of applications, readily available and non-toxic raw materials, and simple and pollution-free waste recycling process.

[0003] Sodium-ion batteries, as a new type of high-safety battery, are currently being developed by very few companies. Only a handful of companies have achieved mass production, including FZ-SONIC in Italy and Zhejiang Anli Energy Co., Ltd., a subsidiary of Chaowei Power Group in China. Due to the unique high-temperature characteristics of sodium-ion batteries, and limited by current technology, the mass-produced batteries are currently only used in backup power applications for base stations and data centers, and have not yet been applied in the energy storage market. Strictly speaking, the medium- and large-scale energy storage market for sodium-ion batteries remains a largely untapped and untapped market.

[0004] Therefore, it is necessary to design an outdoor energy storage cabinet that can accommodate sodium salt batteries. This sodium salt outdoor energy storage cabinet can be applied to user-side energy storage, commercial backup power, peak-valley arbitrage, and other fields. Summary of the Invention

[0005] To address the aforementioned problems in current technology, this utility model provides an outdoor energy storage cabinet for sodium salt batteries that offers high energy storage capacity, good maintainability, high protection reliability, and enhanced environmental adaptability.

[0006] The technical solution adopted in this utility model is:

[0007] An outdoor energy storage cabinet for sodium salt batteries includes a welded frame assembly. The top, bottom, and left and right sides of the welded frame assembly are provided with outer sealing plates. The front and rear sides of the welded frame assembly are provided with door frame assemblies. The welded frame assembly internally comprises an electrical compartment and multiple battery compartments. Both the electrical compartment and the battery compartments are equipped with openable and closable door panels, which are hinged to the welded frame assembly. The electrical compartment contains an electrical component placement rack assembly, and the battery compartments contain multi-layer battery pack placement brackets.

[0008] Furthermore, the cabinet welding frame assembly includes a cabinet welding frame, which is formed by sequentially welding square tubing. The cabinet welding frame is divided into a first compartment and a second compartment by a second partition wall. The first compartment is further divided into an electrical compartment and a third battery compartment by the first partition wall. A duct fixing bracket is provided inside the third battery compartment, and a heat dissipation duct assembly is installed on the duct fixing bracket. The inner side of the heat dissipation duct assembly is connected to the electrical compartment. The first battery compartment and the second battery compartment are respectively provided on the front and rear sides of the second compartment. Heat insulation plates are provided at the top and bottom of the second compartment. A top lifting ring fixing block is fixed to the top of the cabinet welding frame, and a top lifting ring is installed on the top lifting ring fixing block. A cabinet base is fixed to the bottom of the cabinet welding frame.

[0009] Furthermore, the bottom crossbeam of the cabinet welding frame is equipped with door panel limiters that correspond one-to-one with the door panel assembly.

[0010] Furthermore, the battery pack placement bracket is welded and fixed to the cabinet welding frame.

[0011] Furthermore, the heat insulation board is formed by bending and welding sheet metal parts, and has a built-in heat insulation rock wool board.

[0012] Furthermore, a door panel sealing strip is installed on the door frame assembly.

[0013] Furthermore, the door panel assembly at the electrical compartment includes an electrical compartment door panel component. The electrical compartment door panel component is provided with a first high-voltage warning sign. A square mounting hole is formed above the first high-voltage warning sign on the electrical compartment door panel component. An EMS display screen mounting box component is embedded in the square mounting hole. A first hexagonal air inlet mesh is installed below the first high-voltage warning sign on the electrical compartment door panel component. An air inlet louver component is installed inside the first hexagonal air inlet mesh. Door panel rock wool and a door panel rock wool sealing plate are sequentially installed on the inner side of the electrical compartment door panel component, corresponding to the square mounting hole above it and between the square mounting hole and the hexagonal air inlet mesh. A first five-point tension linkage lock is installed on the opening / closing side of the electrical compartment door panel component. A locator fixing bracket is installed at the lower part of the electrical compartment door panel component, corresponding to the position of the door panel limiter.

[0014] Furthermore, the battery compartment door panel assembly includes a battery compartment door panel component. A second high-voltage warning sign is provided on the battery compartment door panel component. A hexagonal exhaust mesh is opened above the second high-voltage warning sign on the battery compartment door panel component. Exhaust louvers are installed inside the hexagonal exhaust mesh, and multiple high-performance cooling fans are installed inside the exhaust louvers. A second hexagonal air inlet mesh is installed below the second high-voltage warning sign on the battery compartment door panel component. Air inlet louvers are installed inside the second hexagonal air inlet mesh. Door panel rock wool and a door panel rock wool sealing plate are sequentially installed on the inner side of the battery compartment door panel component between the hexagonal exhaust mesh and the second hexagonal air inlet mesh. A second five-point tension linkage lock is installed on the opening / closing side of the battery compartment door panel component. A locator fixing bracket is installed at the lower part of the battery compartment door panel component corresponding to the position of the door panel limiter.

[0015] Furthermore, the five-point tension linkage lock includes a main panel lock, with a tension lock and a pin with a roller on the upper and lower sides of the main panel lock. The pin and tension lock are connected to the main panel lock through a middle connecting rod. When the panel lock tongue of the main panel lock rotates, the lock tongue of the tension lock also rotates, and the upper and lower pins also move up and down along the direction of the connecting rod.

[0016] Furthermore, the electrical component placement rack assembly includes four upright beams, several electrical bracket plates, and several wire tie fixing plates. Positioning holes are evenly distributed on the upright beams. The electrical bracket plates are fixedly installed between the four upright beams, and the wire tie fixing plates are fixed between the two rear upright beams.

[0017] The beneficial effects of this utility model are: a high-temperature sodium salt battery outdoor energy storage cabinet with high energy storage capacity, good maintainability, high protection reliability, and stronger environmental adaptability; and a wide range of application fields and scenarios for high-temperature sodium salt batteries. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a structural diagram of the present invention without the door panel assembly.

[0020] Figure 3 This is a structural schematic diagram of the cabinet welding frame assembly of this utility model.

[0021] Figure 4 This is a schematic diagram of the main structure of the cabinet welding frame assembly of this utility model.

[0022] Figure 5 for Figure 4 A sectional view along the AA direction.

[0023] Figure 6This is a structural schematic diagram of the door panel assembly in the electrical compartment of this utility model.

[0024] Figure 7 This is a structural schematic diagram of the door panel assembly in the battery compartment of this utility model.

[0025] Figure 8 This is a schematic diagram of the electrical component placement rack assembly of this utility model.

[0026] Figure 9 This is an exploded structural diagram of the electrical component placement rack assembly of this utility model. Detailed Implementation

[0027] The present invention will be further described below with reference to specific embodiments, but the present invention is not limited to these specific embodiments. Those skilled in the art should recognize that the present invention covers all alternatives, improvements and equivalents that may be included within the scope of the claims.

[0028] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] See Figure 1-9 This embodiment provides an outdoor sodium salt battery energy storage cabinet, including a cabinet welded frame assembly 1. The top, bottom, and left and right sides of the cabinet welded frame assembly 1 are provided with outer sealing plate components, namely, a top outer sealing plate component 3 is provided on the top, a left outer sealing plate component 4 is provided on the left, a right outer sealing plate component 5 is provided on the right, and a base outer sealing plate component 6 is provided on the bottom. The front and rear sides of the cabinet welded frame assembly 1 are provided with door frame assemblies 14, and door panel sealing strips 15 are installed on the door frame assemblies 14. The cabinet welded frame assembly 1 is divided into an electrical compartment 112 and multiple battery compartments. Both the electrical compartment and the battery compartment are provided with openable and closable compartment door panel assemblies, and the compartment door panel assemblies are hinged to the cabinet welded frame assembly 1. The electrical compartment is provided with an electrical component placement rack assembly 13, and the battery compartment is provided with a multi-layer battery pack placement bracket 104.

[0032] The cabinet welding frame assembly 1 described in this embodiment includes a cabinet welding frame 101, which is formed by sequentially welding square tubing. The cabinet welding frame 101 is divided into a first compartment and a second compartment by a second partition wall 106. The first compartment is divided into an electrical compartment 112 and a third battery compartment 115 by a first partition wall 102. A duct fixing bracket 111 is provided in the third battery compartment 115, and a heat dissipation duct assembly 12 is installed on the duct fixing bracket 111. The inner side of the channel assembly 12 is connected to the electrical compartment 112; the front and rear sides of the second compartment are respectively provided with a first battery compartment 113 and a second battery compartment 114. The top and bottom of the second compartment are provided with heat insulation plates, which are formed by bending and welding sheet metal parts and have built-in heat-insulating rock wool boards; a top lifting ring fixing block 109 is fixed to the top of the cabinet welding frame 101, and a top lifting ring 11 is installed on the top lifting ring fixing block 109; a cabinet base 2 is fixed to the bottom of the cabinet welding frame 101. Door panel limiters corresponding to the door panel assemblies are installed on the bottom crossbeam of the cabinet welding frame 101. The battery pack placement bracket 104 is welded and fixed to the cabinet welding frame 101.

[0033] Specifically, the cabinet welding frame assembly 1 is assembled from multiple components by welding and pre-embedded rivet nuts. The cabinet welding frame 101 is made of square tubes welded sequentially. The load-bearing components are fully welded, while the non-load-bearing parts are spot welded. The square tube material is Q235, and the frame columns must meet the load-bearing strength of 2.5 tons. The cabinet frame assembly is divided into four compartments by the first partition wall 101 and the second partition wall 106: electrical compartment 112, first battery compartment 113, second battery compartment 114, and third battery compartment 115. The first partition wall 101 and the second partition wall 106 are fixed to the cabinet welding frame 101 by welding. After the electrical component placement rack assembly 13 is placed in the electrical compartment 112, the required electrical control modules, such as MPPT photovoltaic inverters, PCS energy storage inverters, and STS grid-connected automatic switching modules, can be placed according to actual requirements. Battery pack placement brackets 104 are installed inside the first battery compartment 113 and the second battery compartment 114, each with one row and six layers. The battery pack placement brackets 104 are fixed to the square tube columns of the cabinet welding frame 101 by welding. The same method is used to install battery pack placement brackets 104 in the third battery compartment 115, with one row and four layers. The top heat insulation plate 103 of the battery pack is fixed above the battery pack placement bracket 104 of the first battery compartment 113 and the second battery compartment 114 using hexagonal bolts. The bottom heat insulation plate 105 of the battery pack is fixed below the battery pack placement bracket 104 of the first battery compartment 113 and the second battery compartment 114 to prevent heat from dissipating from the battery pack. Both the top heat insulation plate 103 and the bottom heat insulation plate 105 are sheet metal parts formed by bending and welding, made of SPCC material, and contain built-in heat-insulating rock wool. Two sets of left door limiters 107 and two sets of right door limiters are installed on the bottom crossbeam of the frame assembly and fixed with hexagonal bolts. The top lifting ring fixing block 109 is cut from a 10mm thick steel plate, with M24 hexagonal nuts welded to the holes. Four sets of top lifting ring fixing blocks 109 are welded and fixed to the top of the cabinet welding frame 101, with a strength sufficient to withstand a 3.5-ton load. The air duct fixing bracket 111 is made of sheet metal through laser cutting, sheet metal bending, and press-fit nuts, and is then fixed to the top heat insulation plate 103 of the battery pack in the third battery compartment 115.

[0034] The cabinet base 2 is made of 10# channel steel (Q355 material) through laser cutting and welding. The cabinet base 2 is installed at the bottom of the cabinet frame assembly 1, with the contact surfaces fixed by welding. The outer surface is fully welded, and the inner surface is forged welded. The assembly includes a top outer sealing plate component 3, a left outer sealing plate component 4, a right outer sealing plate component 5, a base outer sealing plate component 6, and a door frame assembly 14. The semi-finished components are assembled and welded together with the cabinet frame assembly 1 and the cabinet base 2, with the outer surface of the cabinet fully welded. After welding, the assembly undergoes sanding, painting, and baking processes. Finally, four EPDM rubber door panel sealing strips are installed on each door frame assembly 14. The top lifting ring 11 uses a standard M24 universal lifting ring, with a single lifting ring having an axial load capacity of 3.2 tons. During hoisting, the four top lifting rings are screwed into the four M24 threaded holes on the top in sequence. The heat dissipation air duct assembly 12 is assembled onto the air duct fixing bracket 111 of the third battery compartment 115 of the cabinet and fixed by the external hexagonal combination screw.

[0035] In this embodiment, the door panel assembly 7 at the electrical compartment 112 includes an electrical compartment door panel component 701. A high-voltage warning sign 710 is provided on the electrical compartment door panel component 701. A mounting hole 711 is provided above the high-voltage warning sign 710, and an EMS display screen mounting box component 703 is embedded in the mounting hole 711. A hexagonal air inlet mesh 712 is installed below the high-voltage warning sign 710, and an air inlet louver component 704 is installed inside the hexagonal air inlet mesh 712. The electrical compartment door panel component 701 corresponds to a square... Above the mounting hole 711, on the inner side between the square mounting hole 711 and the hexagonal air inlet mesh 712, door panel rock wool and door panel rock wool sealing plate are installed sequentially. A five-point tension linkage lock 709 is installed on the opening / closing side of the electrical compartment door panel component 701. The five-point tension linkage lock 709 includes a main panel lock, with one tension lock and one pin with rollers at the top and bottom of the main panel lock. The pins and tension locks are connected to the main panel lock via a central connecting rod. When the panel latch of the main panel lock rotates, the latch of the tension lock also rotates, and the upper and lower pins move up and down along the connecting rod. A positioning device fixing bracket is installed at the lower part of the electrical compartment door panel component 701 corresponding to the door panel limiter position.

[0036] Specifically, the electrical compartment door panel component 701 has a lightning bolt logo made of PVC with single-sided adhesive on the center of the front side. Above the lightning bolt logo, there is a square mounting hole 711 on the front side of the electrical compartment door panel component 701. Below the lightning bolt logo, there is a first hexagonal air inlet mesh 712. All hexagonal mesh holes are the same size and have consistent spacing. The back of the electrical compartment door panel component 701 has four hinges, each secured by three external hexagonal locknuts. The bottom edge of the electrical compartment door panel component 701 has 16 drainage holes with a diameter of 10mm. The first door panel rock wool 702, the first door panel rock wool sealing plate 707, the second door panel rock wool 705, and the second rock wool sealing plate 708 are then sequentially installed on the back of the electrical compartment door panel component 701 and secured with eight external hexagonal combination screws. The EMS display mounting box component 703 is inserted into the square mounting hole 711 of the electrical compartment door panel component 701 from the front, and then secured with eight external hexagonal combination screws from the threaded holes on the back. The air inlet louver component 704 is installed on the back of the electrical compartment door panel component 701 at the position of the hexagonal air inlet mesh, and secured with 18 flange nuts. This air inlet louver has an IP55 protection rating. The first five-point tension linkage lock 709 is installed in the corresponding position on the electrical compartment door panel component 701 and secured with the corresponding screws. The left locator fixing bracket 706 is installed in the corresponding position on the electrical compartment door panel component 701.

[0037] The battery compartment door panel assembly described in this embodiment includes a battery compartment door panel component 801. A second high-voltage warning sign 810 is provided on the battery compartment door panel component 801. A hexagonal exhaust mesh 811 is formed above the second high-voltage warning sign 810 on the battery compartment door panel component 801. An exhaust louver 802 is installed inside the hexagonal exhaust mesh 811, and multiple high-performance cooling fans 805 are installed inside the exhaust louver 802. The battery compartment door panel component 801 is positioned above the second high-voltage warning sign 810. A second hexagonal air inlet mesh 812 is installed below the 0. An air inlet louver 804 is installed inside the second hexagonal air inlet mesh 812. Door panel rock wool and door panel rock wool sealing plate are installed sequentially on the inner side of the battery compartment door panel component 801 between the hexagonal exhaust mesh 811 and the second hexagonal air inlet mesh 812. A second five-point tension linkage lock 809 is installed on the opening and closing side of the battery compartment door panel component 801. A locator fixing bracket is installed at the lower part of the battery compartment door panel component 801 corresponding to the position of the door panel limiter.

[0038] Specifically, there are three door panel assemblies in the battery compartment: a first battery compartment door panel assembly 8, a second battery compartment door panel assembly 9, and a third battery compartment door panel assembly 10. The three door panel assemblies are the same size and contain the same model and size of components; only the hinges and locks are installed symmetrically from left to right. Taking the first battery compartment door panel assembly 8 as an example, the front of the battery compartment door panel assembly 801 has a hexagonal exhaust mesh 811 at the top and a second hexagonal air inlet mesh 812 at the bottom. All hexagonal meshes are the same size and the spacing between the mesh openings is consistent. A lightning bolt logo made of PVC with single-sided adhesive is affixed to the center of the front of the door panel. The exhaust louvers 802 are installed inside the hexagonal exhaust mesh area 811 and secured with flange nuts. The air inlet louvers 804 are installed inside the second hexagonal air inlet mesh area 812 and secured with 14 M4 flange nuts. Both the exhaust louvers 802 and the air inlet louvers 804 have an IP55 protection rating. Four high-performance cooling fans 805 are installed on the back of the exhaust louvers 802. Each racing-grade cooling fan 805 is secured with four combination screws. The third door panel rock wool 803, sealing gasket 806, and third door panel rock wool sealing plate 807 are then installed in sequence in the middle area of ​​the back of the battery compartment door panel component 801, secured with 14 flange nuts. The second five-point tension linkage lock 809 is installed in the corresponding position on the battery compartment door panel component 801 and secured with corresponding screws. This second five-point tension linkage lock 809 is the same size and function as the first five-point tension side rod lock 709, and has a symmetrical structure. The right locator fixing bracket 808 is installed in the corresponding position on the battery compartment door panel component 801. Four hinges 815 are installed on the back of the battery compartment door panel component 801, each hinge secured with three external hexagonal lock nuts.

[0039] The electrical component placement rack assembly 13 described in this embodiment includes four upright beams, several electrical bracket plates, and several wire tie fixing plates. Positioning holes are evenly distributed on the upright beams. The electrical bracket plates are fixedly installed between the four upright beams, and the wire tie fixing plates are fixed between the two rear upright beams.

[0040] Specifically, the electrical component placement rack assembly 13 consists of two left-side upright beams 131 and two right-side upright beams 132 as the four upright beams of the placement rack. The beams are formed by laser cutting holes and then bending. Square positioning holes are provided to accommodate floating nuts. Four first electrical support plates 134 and second electrical bracket plates are installed between the left-side upright beams 131 and the right-side upright beams 132 and fixed with hexagonal screws. Then, the first wire tie fixing plate 133 and the second wire tie fixing plate 136 are installed on the back of the placement rack. The first electrical bracket plate 134, the second electrical bracket plate 135, the first wire tie fixing plate 133, and the second wire tie fixing plate 136 are all made of SPCC with a thickness of 2mm.

[0041] The implementation steps of this utility model are as follows:

[0042] 1. After all the sub-components of the cabinet are welded, proceed with the assembly of the cabinet body;

[0043] 1.1 After assembling and welding the cabinet frame according to the drawings, the cabinet frame assembly is complete.

[0044] 1.2 Place the completed cabinet welding frame assembly 1 on the cabinet base 2, and weld and fix it between the contact surfaces of the cabinet welding frame assembly 1 and the cabinet base 2.

[0045] 1.3 Place the completed top outer sealing plate component 3 on top of the cabinet welding frame assembly 1, and weld and fix it on the contact surfaces around the perimeter.

[0046] 1.4 Assemble the completed left-side cabinet outer sealing plate component 4 with the left side of the frame welding assembly 1, and then weld it in place. The outer surface is fully welded, and the inner surface is forged welded.

[0047] 1.5 Assemble the completed right-side cabinet outer sealing plate component 5 with the left side of the cabinet welding frame assembly 1, and then weld it in place. The outer surface is fully welded, and the inner surface is forged welded.

[0048] 1.6 Assemble and weld the completed base outer encapsulation plate component 6 to the cabinet base 2;

[0049] 1.7 The two sets of completed welded door frame components 14 are sequentially assembled on the front and rear ends of the frame welded frame assembly 1 and welded and fixed. The contact surfaces of the door frame components 14 and the frame welded frame assembly 1 are fully welded.

[0050] 2. The cabinet body that has been assembled has undergone processes such as sanding, polishing, frosting, and dust removal. Then it enters the spray booth for three coats of paint: primer, intermediate coat, and topcoat. Finally, it enters the baking booth to complete the baking process.

[0051] 3. After the electrical compartment door panel, the first battery compartment door panel, the second battery compartment door panel, and the third battery compartment door panel have been welded, they are surface treated and then sprayed with epoxy resin. Then they are put into the paint baking room to dry.

[0052] 4. Complete the sub-assembly of the electrical compartment door panel assembly 7, the first battery compartment door panel assembly 8, the second battery compartment door panel assembly 9, and the third battery compartment door panel assembly 10 in sequence.

[0053] 5. Complete the assembly of the electrical component placement rack 13.

[0054] 6. Complete the final assembly of the outdoor energy storage cabinet;

[0055] 6.1. Install the completed electrical component placement rack 13 into the electrical compartment 112 of the outdoor cabinet according to the drawing requirements, and fix the four upright beams of the electrical component placement rack 13 to the left and right inner walls of the electrical compartment 112 respectively with external hexagonal flange screws. There are pre-embedded blind hole nuts on the left and right inner walls.

[0056] 6.2 Install the completed electrical compartment door panel assembly 7, first battery compartment door panel assembly 8, second battery compartment door panel assembly 9, and third battery compartment door panel assembly 10 onto the front and rear door frame assemblies of the outdoor cabinet using hinges as required by the drawings, and fix each door panel assembly with external hexagonal combination screws.

[0057] 6.3 Install the four door panel sealing strips 15 onto the four doors in sequence according to the drawings, and apply sealant to the edges.

[0058] 6.4 Push the assembled outdoor energy storage cabinet into the spray room and conduct a spray test according to the national standard spray requirements with a protection level of IP55.

[0059] This invention relates to an outdoor energy storage cabinet for high-temperature sodium salt batteries, which features high energy storage capacity, good maintainability, high protection reliability, and stronger environmental adaptability; thus broadly expanding the application fields and scenarios of high-temperature sodium salt batteries.

Claims

1. An outdoor energy storage cabinet for sodium salt batteries, characterized in that: The system includes a cabinet welding frame assembly, with external sealing plate components installed on the top, bottom, and left and right sides of the cabinet welding frame assembly. Door frame assemblies are installed on the front and rear sides of the cabinet welding frame assembly. The cabinet welding frame assembly is divided into an electrical compartment and multiple battery compartments. Both the electrical compartment and the battery compartment are equipped with openable and closable door panel assemblies, which are hinged to the cabinet welding frame assembly. An electrical component placement rack assembly is installed in the electrical compartment, and a multi-layer battery pack placement bracket is installed in the battery compartment.

2. The outdoor energy storage cabinet for sodium salt batteries according to claim 1, characterized in that: The cabinet welding frame assembly includes a cabinet welding frame formed by sequentially welding square tubing. The cabinet welding frame is divided into a first compartment and a second compartment by a second partition wall. The first compartment is further divided into an electrical compartment and a third battery compartment by the first partition wall. A duct fixing bracket is installed inside the third battery compartment, and a heat dissipation duct assembly is mounted on the duct fixing bracket. The inner side of the heat dissipation duct assembly is connected to the electrical compartment. The first battery compartment and the second battery compartment are respectively located on the front and rear sides of the second compartment. Heat insulation plates are provided at the top and bottom of the second compartment. A top lifting ring fixing block is fixed to the top of the cabinet welding frame, and a top lifting ring is installed on the top lifting ring fixing block. A cabinet base is fixed to the bottom of the cabinet welding frame.

3. The outdoor energy storage cabinet for sodium salt batteries according to claim 2, characterized in that: The bottom crossbeam of the cabinet welding frame is equipped with door panel limiters that correspond one-to-one with the door panel assembly.

4. The outdoor energy storage cabinet for sodium salt batteries according to claim 2, characterized in that: The battery pack placement bracket is welded and fixed to the cabinet's welded frame.

5. The outdoor energy storage cabinet for sodium salt batteries according to claim 2, characterized in that: The heat insulation board is formed by bending and welding sheet metal parts, and has a built-in heat insulation rock wool board.

6. The outdoor energy storage cabinet for sodium salt batteries according to claim 2, characterized in that: The door frame assembly is equipped with a door panel sealing strip.

7. The outdoor energy storage cabinet for sodium salt batteries according to claim 1, characterized in that: The door panel assembly of the electrical compartment includes an electrical compartment door panel component. A first high-voltage warning sign is provided on the electrical compartment door panel component. A square mounting hole is formed above the first high-voltage warning sign on the electrical compartment door panel component. An EMS display screen mounting box component is embedded in the square mounting hole. A first hexagonal air inlet mesh is installed below the first high-voltage warning sign on the electrical compartment door panel component. An air inlet louver component is installed inside the first hexagonal air inlet mesh. Door panel rock wool and a door panel rock wool sealing plate are sequentially installed on the inner side of the electrical compartment door panel component, corresponding to the square mounting hole and the hexagonal air inlet mesh. A first five-point tension linkage lock is installed on the opening / closing side of the electrical compartment door panel component. A locator fixing bracket is installed at the lower part of the electrical compartment door panel component, corresponding to the position of the door panel limiter.

8. The outdoor energy storage cabinet for sodium salt batteries according to claim 7, characterized in that: The battery compartment door panel assembly includes a battery compartment door panel component. A second high-voltage warning sign is provided on the battery compartment door panel component. Above the second high-voltage warning sign, a hexagonal exhaust mesh is provided on the battery compartment door panel component. An exhaust louver is installed inside the hexagonal exhaust mesh, and multiple high-performance cooling fans are installed inside the exhaust louver. Below the second high-voltage warning sign, a second hexagonal air inlet mesh is provided on the battery compartment door panel component. An air inlet louver is installed inside the second hexagonal air inlet mesh. Door panel rock wool and a door panel rock wool sealing plate are sequentially installed on the inner side of the battery compartment door panel component between the hexagonal exhaust mesh and the second hexagonal air inlet mesh. A second five-point tension linkage lock is installed on the opening / closing side of the battery compartment door panel component. A locator fixing bracket is installed at the lower part of the battery compartment door panel component corresponding to the position of the door panel limiter.

9. The outdoor energy storage cabinet for sodium salt batteries according to claim 8, characterized in that: The five-point tension linkage lock includes a main panel lock, with a tension lock and a pin with a roller on the upper and lower sides of the main panel lock. The pin and tension lock are connected to the main panel lock through a middle linkage. When the panel lock tongue of the main panel lock rotates, the lock tongue of the tension lock also rotates, and the upper and lower pins also move up and down along the direction of the linkage.

10. The outdoor energy storage cabinet for sodium salt batteries according to claim 1, characterized in that: The electrical component placement rack assembly includes four upright beams, several electrical bracket plates, and several wire tie fixing plates. Positioning holes are evenly distributed on the upright beams. The electrical bracket plates are fixedly installed between the four upright beams, and the wire tie fixing plates are fixed between the two rear upright beams.

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