Container type power distribution room and manufacturing method thereof

Abstract

The invention discloses a container type power distribution room and a manufacturing method thereof, the container type power distribution room comprises a light steel framework and a splicing type wallboard assembly, the light steel framework is composed of a plurality of light square steel, and mounting clamping grooves are formed in the opposite sides of the adjacent light square steel; the top plate is arranged at the top of the light steel framework, the side plates are arranged on the side faces of the light steel framework, the bottom plate is arranged at the bottom of the light steel framework, clamping blocks opposite to the mounting clamping grooves are arranged on the side faces of the top plate, the side plates and the bottom plate, and the top plate, the side plates and the bottom plate are fixedly clamped on the light steel framework through the clamping blocks. The connecting rod is detachably connected with the connecting rod through bolts; the top plate, the side plates and the bottom plate are all of hollow structures, and filling layers are arranged in the hollow structures. The building block is simple in structure, low in construction cost, convenient and efficient to construct, light in weight, convenient to carry, high in overall strength and good in waterproof effect, heat insulation effect and fireproof effect.

Description

Technical Field

[0001] The invention relates to a container type power distribution room and a manufacturing method thereof, belonging to the technical field of power distribution room manufacturing. Background Art

[0002] Traditional power distribution rooms are reinforced concrete cast structures, which require a large construction site to be planned during construction, and have high construction costs, long construction periods, and high pollution, and cannot achieve green, environmentally friendly, and recyclable construction concepts. Container power distribution rooms have the advantages of flexible combination, convenient installation, short construction period, easy transportation and relocation, no pollution, and maintenance-free. They have broad application prospects in power systems and have been widely promoted and applied, especially for occasions that require rapid deployment or emergency recovery.

[0003] However, the existing container distribution room still has the following shortcomings:

[0004] (1) The side panels of some container power distribution rooms are made of foam sandwich panels, which have poor firmness and are easily deformed and damaged during transportation and use. They also pose safety hazards and are not anti-theft. Container power distribution rooms assembled with steel have high decoration costs and are heavy. Transportation and handling require special equipment and manpower, which increases transportation and maintenance costs.

[0005] (2) The existing container distribution room has poor waterproof performance at the joints, which requires frequent maintenance and repair. The electrical equipment and circuits in the distribution room are easily affected by moisture, increasing safety hazards;

[0006] (3) The existing container distribution room performs poorly in terms of sound insulation and heat insulation, which affects the user experience. Summary of the invention

[0007] In view of this, an object of the present invention is to provide a containerized power distribution room and a manufacturing method thereof, so as to at least solve the problems mentioned in the background technology.

[0008] The objective of the present invention is achieved through the following technical solutions:

[0009] A container type power distribution room, comprising:

[0010] Light steel frame, the light steel frame is composed of a number of light square steels, and mounting slots are provided on opposite sides of adjacent light square steels;

[0011] A spliced ​​wall panel assembly includes a top plate arranged on the top of the light steel frame, side plates arranged on each side of the light steel frame and a bottom plate arranged at the bottom of the light steel frame. Blocks corresponding to the positions of the installation slots are arranged on the sides of the top plate, side plates and bottom plate. The top plate, side plates and bottom plate are fixed to the light steel frame by the blocks and are detachably connected to the light steel frame by bolts. The top plate, side plates and bottom plate are all hollow structures with a filling layer arranged therein.

[0012] Furthermore, the light steel skeleton is a rectangular frame assembled by welding or bolting a plurality of light square steels; an installation slot is processed on the corresponding side of the light square steel, the installation slot is a square slot, and a plurality of long strip sealing slots are arranged inside the square slot and along its length direction; a sealing rubber pad is covered on the block, and a plurality of sealing protrusions matching the long strip sealing grooves are arranged on the sealing rubber pad; the top plate, side plate and bottom plate are fixed to the light square steel by corresponding blocks, and the sealing protrusions of the sealing rubber pad can form an engagement with the long strip sealing groove in the installation slot.

[0013] Furthermore, the top plate, side plates and bottom plate are hollow light alloy plates, and the light alloy plates have a closed cavity inside, which is filled with gas that can reduce heat conduction, thereby improving the thermal insulation and fire prevention effects of the spliced ​​wall panels.

[0014] Furthermore, a plurality of reinforcing ribs are provided in the closed cavities of the top plate, the side plate and the bottom plate, and through holes are provided on the reinforcing ribs to facilitate the filling gas to fill the entire closed cavity.

[0015] Furthermore, multifunctional hook seats are provided at the four corners of the top of the light steel frame; the multifunctional hook seats are provided with camera mounting holes and hook slots.

[0016] A method for manufacturing the containerized power distribution room, comprising:

[0017] Step S1, determine the size specifications of the distribution room according to planning requirements;

[0018] Step S2, using a cutting process to process the light square steel, and processing and installing the card slot on the corresponding side of the light square steel;

[0019] Step S3, processing the spliced ​​wall panel assembly, specifically comprising the following steps:

[0020] (3.1) Calculate the number of stiffeners according to design requirements and cut the stiffeners;

[0021] (3.2) Cut the top plate, side plate and bottom plate according to the size specifications. During the cutting process, reserve the card blocks that match the installation slots on the lightweight square steel, and process the closed cavities of the top plate, side plate and bottom plate, and install the reinforcing rib plate in the closed cavity;

[0022] (3.3) Conduct a sealing test on the sealed cavities of the top plate, side plates and bottom plates, and fill the sealed cavities with gas;

[0023] Step S4: Use a splicing process to splice the lightweight square steel, top plate, side plate and bottom plate together in sequence, and use bolts to reinforce the splicing.

[0024] Furthermore, in step (3.1), the required number and installation distance of the corresponding reinforcing ribs on each top plate, side plate and bottom plate are calculated according to the following formula:

[0025]

[0026] Wherein, L is the distance between the top plate, side plate and the side edge of the bottom plate and the adjacent stiffener plates or between two adjacent stiffener plates;

[0027] δ is the minimum deformation of the top plate, side plate and bottom plate, and is determined according to planning requirements or design needs and usage requirements;

[0028] F is the maximum force that the top plate, side plate and bottom plate can bear, and is determined according to planning requirements or design needs and usage requirements;

[0029] E is the elastic modulus of the top plate, side plate and bottom plate,

[0030] t is the thickness of the top plate, side plate and bottom plate.

[0031] Furthermore, in step (3.2), the specific processing steps of the top plate, the side plate and the bottom plate are:

[0032] (3.2.1) The bottom base plates corresponding to the top plate, side plate and bottom plate are processed respectively. A groove is provided in the middle of the bottom base plate, and a card block is reserved on the side to match the mounting card slot on the light square steel. In the case of the light square steel, a plurality of long strip sealing grooves are processed in the mounting card slot, and a sealing rubber pad with a sealing protrusion is covered on the card block. During installation, the top plate, side plate and bottom plate are fixed on the light square steel through the corresponding card blocks, and the sealing protrusion of the sealing rubber pad can form an engagement with the long strip sealing groove in the mounting card slot, which can realize rapid assembly and ensure that the joint seam has good waterproof performance;

[0033] (3.2.2) Process the corresponding cover plates of the top plate, side plate and bottom plate respectively, and reserve air holes and exhaust holes on the cover plates;

[0034] (3.2.3) Arrange the reinforcing rib plate in the groove in the middle of the base plate according to the calculated L dimension, and fix the reinforcing rib plate in the groove by welding;

[0035] (3.2.4) Fasten the cover plate and the base plate together and connect them by bolting or welding.

[0036] Among them, when using the bolt connection process, sealing grooves are set on each side of the bottom substrate, and sealing rubber rings are placed in the sealing grooves. Then the cover plate and the bottom substrate are buckled together, and the two are fixedly connected by bolts, and the sealing rubber pad is used to achieve end face sealing of the two.

[0037] When the welding process is used, sealing grooves are set on each side of the bottom substrate, sealing materials are placed in the sealing grooves, and fillet welds are reserved on the side of the cover plate close to the bottom substrate. The two are fixedly connected by welding, and the weld quality is subsequently tested.

[0038] Furthermore, in step (3.3), an air pressure method, a bubble method, etc. are used to perform an air tightness test on the closed cavities corresponding to the top plate, the side plate, and the bottom plate;

[0039] Gas that can reduce heat conduction is injected into the closed cavity from the air holes reserved on the cover plate, and the air in the closed cavity is discharged from the exhaust holes; when the closed cavity is filled with gas, the exhaust holes are sealed by welding technology, and the air holes are sealed by an air nozzle or welding technology.

[0040] Furthermore, in step 4, the lightweight square steel, top plate, side plate and bottom plate are spliced ​​together in sequence using a splicing process, and then waterproof glue is applied to each splicing seam.

[0041] Compared with the prior art, the beneficial effects of the present invention are:

[0042] (1) The slot-type quick installation structure is adopted between the light steel frames and between the light steel frames and the wall panel components of the present invention, which has a simple structure, low construction cost, convenient and efficient construction, and good waterproof effect;

[0043] (2) The wall panel assembly of the present invention is a hollow structure filled with a gas that can reduce heat conduction, which not only makes the prepared container-type power distribution room light and easy to carry, but also improves the heat insulation and fire prevention effects of the spliced ​​wall panels;

[0044] (3) Reinforcing ribs are arranged in the hollow structure of the wall panel assembly, and after calculation, the number and installation distance of the reinforcing ribs are at the optimal value, which can effectively improve the overall strength of the container-type distribution room in advance and further reduce the weight and construction cost of the container-type distribution room.

[0045] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings, in which:

[0047] Figure 1 A schematic diagram of the structure of a containerized power distribution room provided in one embodiment of the present invention;

[0048] Figure 2 for Figure 1 A partial enlarged schematic diagram of part A;

[0049] Figure 3 It is a structural diagram of a light steel frame;

[0050] Figure 4 is a schematic diagram of the structure of the side panel;

[0051] Figure 5 for Figure 4 A partial enlarged schematic diagram of part B in the middle.

[0052] In the figure: 1. Lightweight square steel; 2. Mounting slot; 3. Top plate; 4. Side plate; 5. Bottom plate; 6. Block; 7. Reinforcement plate; 701. Through hole; 8. Multifunctional hook seat; 801. Camera mounting hole; 802. Hook slot; 9. Sealing rubber pad; 10. Sealing rubber ring;

[0053] 1-1, bottom substrate; 1-2, groove; 1-3, cover plate; 1-4, air hole; 1-5, exhaust hole; 1-6, sealing groove. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0055] like Figure 1-Figure 5 As shown, the first embodiment of the present invention provides a container-type power distribution room, comprising:

[0056] A light steel frame, the light steel frame is composed of a plurality of light square steels 1, and mounting slots 2 are provided on opposite sides of adjacent light square steels 1;

[0057] A spliced ​​wall panel assembly includes a top plate 3 arranged on the top of the light steel frame, side plates 4 arranged on each side of the light steel frame and a bottom plate 5 arranged at the bottom of the light steel frame. Blocks 6 corresponding to the position of the installation slots 2 are provided on the sides of the top plate 3, the side plates 4 and the bottom plate 5. The top plate 3, the side plates 4 and the bottom plate 5 are fixed to the light steel frame through the blocks 6 and are detachably connected to the light steel frame through bolts. The top plate 3, the side plates 4 and the bottom plate 5 are all hollow structures, and a filling layer is provided therein.

[0058] The light steel skeleton is a rectangular frame assembled by welding or bolting a plurality of light square steels 1. The mounting slot 2 is processed on the corresponding side of the light square steel. The mounting slot 2 can be a square slot. A plurality of long strip sealing slots are arranged in the square slot and along its length. The block 6 is covered with a sealing rubber pad 9. The sealing rubber pad 9 can be fixed to the surface of the block 6 by bonding, snap connection, bolt connection, etc. A plurality of sealing protrusions matching the long strip sealing grooves are arranged on the sealing rubber pad 9. The top plate 3, the side plate 4 and the bottom plate 5 are fixed to the light square steel 1 by the corresponding block 6, and the sealing protrusions of the sealing rubber pad 9 can be engaged with the long strip sealing grooves in the mounting slot 2, which can realize rapid assembly and ensure that the joint seam has good waterproof performance.

[0059] The top plate 3, side plate 4 and bottom plate 5 are hollow light alloy plates with a closed cavity inside which is filled with gas, such as argon, a low thermal conductivity gas mixture or other gas that can reduce heat conduction, thereby improving the thermal insulation and fire prevention effects of the spliced ​​wall panels.

[0060] In this embodiment, in order to ensure the strength of the top plate 3, the side plate 4 and the bottom plate 5, a plurality of reinforcing ribs 7 are provided in the closed cavities of the top plate 3, the side plate 4 and the bottom plate 5, and through holes 701 are provided on the reinforcing ribs 7 to facilitate the filling gas to fill the entire closed cavity.

[0061] Fire doors 11, inspection doors 12 and other structures are correspondingly arranged on different side panels. Among them, the fire door 11 has not changed from the structure of the fire door that opens outwards used in the existing high-voltage distribution room. One side of the inspection door 12 is connected to the side panel hinge, and the other side is movably connected to the side panel through a lock structure. The staff can open the lock structure at any time and enter and exit the distribution room through the inspection door 12. The height from the bottom of the inspection door 12 to the bottom plate 5 is not less than 40 cm. Setting the inspection door 12 at a higher height can prevent mice from entering and damaging the indoor circuit when the inspection door 12 is open.

[0062] A multifunctional hook seat 8 is provided at the four corners of the top of the light steel frame. The multifunctional hook seat can be fixedly connected to the four corners of the top of the light steel frame by welding or bolt connection, and a camera mounting hole 801 and a hook slot 802 are provided on the multifunctional hook seat. During transportation, the lifting operation of the distribution room can be realized through the multifunctional hook seat 8. When in use, a camera can be installed on the multifunctional hook seat 8 to realize real-time supervision of the distribution room.

[0063] The manufacturing method of the containerized power distribution room includes:

[0064] Step S1, determine the size specifications of the distribution room according to planning requirements;

[0065] Step S2, using a cutting process to process the light square steel 1, and processing and installing the slot 2 on the corresponding side of the light square steel;

[0066] Step S3, processing the spliced ​​wall panel assembly, specifically comprising the following steps:

[0067] (3.1) Calculate the number of reinforcing rib plates 7 according to design requirements and cut the reinforcing rib plates 7;

[0068] (3.2) Cut the top plate 3, side plate 4 and bottom plate 5 according to the size specifications. During the cutting process, reserve a block 6 that matches the mounting slot 2 on the lightweight square steel, and process the closed cavities of the top plate 3, side plate 4 and bottom plate 5, and install a reinforcing rib plate 7 in the closed cavities;

[0069] (3.3) Conducting a sealing test on the sealed cavities of the top plate 3, the side plate 4 and the bottom plate 5, and filling the sealed cavities with gas;

[0070] Step S4, using a splicing process to splice the lightweight square steel, the top plate 3, the side plate 4 and the bottom plate 5 together in sequence, and use bolts to reinforce the splicing.

[0071] In step S1, the size and specifications of the power distribution room are determined according to the requirements of the planned site, the scale of the power distribution equipment, etc.

[0072] In step S2, a mounting slot 2 is processed on the corresponding side of the light square steel, and a plurality of long strip-shaped sealing grooves are processed inside the mounting slot 2 and along its length direction.

[0073] In step (3.1), the required number and installation distance of the corresponding reinforcing rib plates 7 on each top plate 3, side plate 4 and bottom plate 5 are calculated according to the following formula:

[0074]

[0075] Wherein, L is the distance between the adjacent reinforcing rib plates 7 on the sides of the top plate 3, the side plate 4 and the bottom plate 5 or between two adjacent reinforcing rib plates 7;

[0076] δ is the minimum deformation of the top plate 3, the side plate 4 and the bottom plate 5, and can be determined according to the planning requirements or design needs and usage requirements;

[0077] F is the maximum force that the top plate 3, the side plate 4 and the bottom plate 5 can withstand, and can be set according to planning requirements or design needs and usage requirements;

[0078] E is the elastic modulus of the top plate 3, the side plate 4 and the bottom plate 5,

[0079] t is the thickness of the top plate 3 , the side plate 4 and the bottom plate 5 .

[0080] Specifically, in the early stage of manufacturing the container-type distribution room, the size specifications of the distribution room are determined according to the requirements of the planned site, the scale of the distribution equipment, etc. At the same time, the maximum force and minimum deformation that the top plate 3, the side plate 4 and the bottom plate 5 can withstand are preliminarily given according to the usage requirements, and then the installation distance of the reinforcing rib plates 7 in the top plate 3, the side plate 4 and the bottom plate 5 is calculated according to the above formula. According to the corresponding enclosed cavity lengths in the top plate 3, the side plate 4 and the bottom plate 5, the number of reinforcing rib plates 7 in each wall panel can be determined.

[0081] In step (3.2), the specific processing steps of the top plate 3, the side plate 4 and the bottom plate 5 are:

[0082] (3.2.1) The bottom substrate 1-1 corresponding to the top plate 3, the side plate 4 and the bottom plate 5 are processed respectively. A groove 1-2 is provided in the middle of the bottom substrate 1-1, and a block 6 is reserved on the side to match the mounting slot 2 on the light square steel. When processing the block 6, the block 6 is covered with a sealing rubber pad 9, and the sealing rubber pad 9 is provided with a number of sealing protrusions that match the long strip sealing groove. During installation, the top plate 3, the side plate 4 and the bottom plate 5 can be fixed on the light square steel 1 through the corresponding block 6, and the sealing protrusion of the sealing rubber pad 9 can form an engagement with the long strip sealing groove in the mounting slot 2, which can achieve rapid assembly while ensuring that the joint seam has good waterproof performance;

[0083] (3.2.2) The cover plates 1-3 corresponding to the top plate 3, the side plate 4 and the bottom plate 5 are processed respectively, and the air holes 1-4 and the exhaust holes 1-5 are reserved on the cover plates 1-3;

[0084] (3.2.3) Arrange the reinforcing rib plate 7 in the groove 1-2 in the middle of the bottom substrate according to the calculated L dimension, and fix the reinforcing rib plate 7 in the groove 1-2 by welding;

[0085] (3.2.4) The cover plate 1-3 is buckled with the bottom plate 1-1, and the two are fixedly connected by bolt connection or welding.

[0086] Among them, when the bolt connection process is adopted, a sealing groove 1-6 is set on each side of the bottom substrate 1-1, and a sealing rubber ring 10 is placed in the sealing groove. Then the cover plate 1-3 is buckled with the bottom substrate 1-1, and the two are fixedly connected by bolts, and the sealing rubber pad 10 can realize the end face sealing of the two.

[0087] When the welding process is adopted, sealing grooves 1-6 are set on each side of the bottom substrate 1-1, and sealing materials such as sealant are placed in the sealing grooves 1-6. A corner weld is reserved on the side of the cover plate 1-3 close to the bottom substrate 1-1. The two are fixedly connected by welding, and the quality of the weld is subsequently tested.

[0088] In step (3.3), an air pressure method, a bubble method, or the like is used to conduct an air tightness test on the closed cavities corresponding to the top plate 3, the side plate 4, and the bottom plate 5.

[0089] Argon, a low thermal conductivity gas mixture or other gas that can reduce heat conduction is injected into the closed cavity from the air holes 1-4 reserved on the cover plate 1-3, and the air in the closed cavity is discharged from the exhaust holes 1-5; when the closed cavity is filled with gas, the exhaust holes 1-5 are sealed by welding technology, and the air holes 1-4 are sealed by a gas nozzle or welding technology.

[0090] In step 4, the lightweight square steel, the top plate 3, the side plate 4 and the bottom plate 5 are spliced ​​together in sequence by using a splicing process, and then waterproof glue is applied to each splicing seam;

[0091] Alternatively, when the lightweight square steel, top plate 3, side plate 4 and bottom plate 5 are sequentially spliced ​​together using a splicing process, waterproof glue is first applied to the sealing rubber pad 9 in the installation slot 2 of the lightweight square steel or on the block 6 before assembly.

[0092] The above description is only a preferred embodiment of the present invention and does not constitute any form of confidentiality restriction on the present invention. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A containerized power distribution room, characterized in that: include: A light steel frame, the light steel frame is composed of a plurality of light square steels (1), and mounting slots (2) are provided on opposite sides of adjacent light square steels (1); A spliced ​​wall panel assembly comprises a top panel (3) arranged on the top of a light steel frame, side panels (4) arranged on each side of the light steel frame and a bottom panel (5) arranged at the bottom of the light steel frame, a clamping block (6) corresponding to the position of the installation clamping slot (2) is arranged on the side of the top panel (3), the side panel (4) and the bottom panel (5), the top panel (3), the side panel (4) and the bottom panel (5) are clamped on the light steel frame by the clamping block (6) and are detachably connected to the light steel frame by bolts; the top panel (3), the side panel (4) and the bottom panel (5) are all hollow structures, and a filling layer is arranged therein.

2. The containerized power distribution room according to claim 1, characterized in that: The light steel frame is a rectangular frame assembled by welding or bolting a plurality of light square steels (1); a mounting slot (2) is processed on the corresponding side of the light square steel; the mounting slot (2) is a square slot; a plurality of long strip sealing slots are arranged in the square slot along its length direction; a sealing rubber pad (9) is covered on the clamping block (6); a plurality of sealing protrusions matching the long strip sealing slots are arranged on the sealing rubber pad (9); the top plate (3), the side plate (4) and the bottom plate (5) are clamped on the light square steel (1) through the corresponding clamping blocks (6); and the sealing protrusions of the sealing rubber pad (9) can be engaged with the long strip sealing slots in the mounting slot (2).

3. The containerized power distribution room according to claim 1, characterized in that: The top plate (3), side plate (4) and bottom plate (5) are hollow light alloy plates, each of which has a closed cavity filled with a gas that can reduce heat conduction, thereby improving the heat insulation and fire prevention effects of the spliced ​​wall panel.

4. The containerized power distribution room according to claim 3, characterized in that: A plurality of reinforcing ribs (7) are provided in the sealed cavities of the top plate (3), the side plate (4) and the bottom plate (5), and through holes (701) are provided on the reinforcing ribs (7) so as to facilitate filling gas to fill the entire sealed cavity.

5. The containerized power distribution room according to any one of claims 1 to 4, characterized in that: Multifunctional hook seats (8) are arranged at the four corners of the top of the light steel frame; the multifunctional hook seats (8) are provided with camera mounting holes (801) and hook slots (802).

6. A method for manufacturing a containerized power distribution room according to claim 1, characterized in that: include: Step S1, determine the size specifications of the distribution room according to planning requirements; Step S2, using a cutting process to process the light square steel (1), and processing the mounting slot (2) on the corresponding side of the light square steel; Step S3, processing the spliced ​​wall panel assembly, specifically comprising the following steps: (3.1) Calculate the number of reinforcing rib plates (7) according to design requirements and cut the reinforcing rib plates (7); (3.2) Cut the top plate (3), side plate (4) and bottom plate (5) according to the size specifications, reserve a clamping block (6) that matches the mounting slot (2) on the light square steel during the cutting process, and process the closed cavities of the top plate (3), side plate (4) and bottom plate (5), and install a reinforcing rib plate (7) in the closed cavities; (3.3) Conducting a sealing test on the sealed cavities of the top plate (3), the side plate (4) and the bottom plate (5), and filling the sealed cavities with gas; Step S4: Use a splicing process to splice the light square steel, the top plate (3), the side plate (4) and the bottom plate (5) together in sequence, and use bolts to reinforce the splicing.

7. The manufacturing method according to claim 6, characterized in that: In step (3.1), the required number and installation distance of the corresponding reinforcing rib plates (7) on each top plate (3), side plate (4) and bottom plate (5) are calculated according to the following formula: Wherein, L is the distance between the adjacent reinforcing rib plates (7) on the sides of the top plate (3), the side plate (4) and the bottom plate (5) or between two adjacent reinforcing rib plates (7); δ is the minimum deformation of the top plate (3), the side plate (4) and the bottom plate (5), and is determined according to planning requirements or design needs and usage requirements; F is the maximum force that the top plate (3), the side plate (4) and the bottom plate (5) can withstand, and is determined according to planning requirements or design needs and usage requirements; E is the elastic modulus of the top plate (3), the side plate (4) and the bottom plate (5), t is the thickness of the top plate (3), the side plate (4) and the bottom plate (5).

8. The manufacturing method according to claim 6, characterized in that: In step (3.2), the specific processing steps of the top plate (3), the side plate (4) and the bottom plate (5) are as follows: (3.2.1) The bottom substrate (1-1) corresponding to the top plate (3), the side plate (4) and the bottom plate (5) are processed respectively, a groove (1-2) is provided in the middle of the bottom substrate (1-1), and a card block (6) adapted to the mounting card slot (2) on the light square steel is reserved on the side, wherein a plurality of long strip sealing grooves are processed in the mounting card slot (2) of the light square steel, and a sealing rubber pad (9) with a sealing protrusion is covered on the card block (6). During installation, the top plate (3), the side plate (4) and the bottom plate (5) are fixed on the light square steel (1) through the corresponding card blocks (6), and the sealing protrusion of the sealing rubber pad (9) can be engaged with the long strip sealing groove in the mounting card slot (2), so that rapid assembly can be achieved and good waterproof performance of the joint can be ensured; (3.2.2) respectively processing the cover plates (1-3) corresponding to the top plate (3), the side plate (4) and the bottom plate (5), and reserving the air-injection holes (1-4) and the exhaust holes (1-5) on the cover plates (1-3); (3.2.3) Arranging a reinforcing rib plate (7) in the groove (1-2) in the middle of the bottom substrate according to the calculated L dimension, and fixing the reinforcing rib plate (7) in the groove (1-2) by welding; (3.2.4) The cover plate (1-3) is buckled with the bottom plate (1-1), and the two are fixedly connected by a bolt connection process or a welding process. When the bolt connection process is adopted, sealing grooves (1-6) are arranged on each side of the bottom substrate (1-1), and sealing rubber rings (10) are placed in the sealing grooves. The cover plate (1-3) and the bottom substrate (1-1) are then buckled together and fixedly connected by bolts, and the sealing rubber pads (10) are used to achieve end face sealing of the two. When the welding process is adopted, sealing grooves (1-6) are provided on each side of the bottom substrate (1-1), sealing materials are placed in the sealing grooves (1-6), and fillet welds are reserved on the side of the cover plate (1-3) close to the bottom substrate (1-1). The two are fixedly connected by welding, and the quality of the welds is subsequently tested.

9. The manufacturing method according to claim 6, characterized in that: In step (3.3), an air pressure method, a bubble method, or the like is used to conduct an air tightness test on the corresponding closed cavities of the top plate (3), the side plate (4), and the bottom plate (5); Gas capable of reducing heat conduction is injected into the closed cavity through the air injection hole (1-4) reserved on the cover plate (1-3), and the air in the closed cavity is discharged from the exhaust hole (1-5); when the closed cavity is filled with gas, the exhaust hole (1-5) is sealed by welding, and the air injection hole (1-4) is sealed by a gas nozzle or welding process.

10. The manufacturing method according to claim 6, characterized in that: In step 4, the lightweight square steel, the top plate (3), the side plate (4) and the bottom plate (5) are spliced ​​together in sequence using a splicing process, and then waterproof glue is applied to each splicing seam.

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