Split type prefabricated cabin construction method, split type prefabricated cabin and transformer substation

Abstract

The invention relates to the technical field of transformer substations, and provides a split type prefabricated cabin construction method, a split type prefabricated cabin and a transformer substation, and the method comprises the steps: manufacturing a base frame, then installing a groove box and a copper bar on the base frame, then installing cabinet equipment, connecting wires, and installing a floor, and forming a base integration; manufacturing a shell frame, then integrating lighting, heating and ventilation, fire-fighting facilities and pipelines on the shell frame, and arranging interior and exterior decorations to form shell integration; and the shell integration and the base integration are mutually positioned and hermetically connected. According to the scheme of the invention, the base part and the shell part of the prefabricated cabin can be independently processed and respectively integrated, and can be synchronously constructed and integrated, so that the manufacturing efficiency of the prefabricated cabin is greatly improved. The equipment in the cabin does not need to enter and exit from the cabin door, so that the equipment is more convenient to integrate and install, and during subsequent replacement or maintenance, the shell only needs to be integrally hoisted away and then installed or directly replaced, so that the working efficiency can be effectively improved, and the operation is quick and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of substations, and in particular to a method for constructing a split prefabricated cabin, a split prefabricated cabin and a substation. Background Art

[0002] With the promotion of the construction of standard distribution substations, prefabricated cabin substations have been increasingly widely used in modular construction.

[0003] At present, the prefabricated cabins widely used mainly include steel structure cabins and container cabins. The boxes of steel structure prefabricated cabins and container prefabricated cabins are all integral hexahedral structures. The steel structure prefabricated cabin is a steel frame keel, which is welded into one piece, and then the internal and external enclosure materials are installed. After the prefabricated cabin is manufactured, the equipment is put into place in the cabin, and then the wiring is adjusted. The production and integration sequence of containers and steel structure prefabricated cabins is the same. The difference is that the outer wall of the container is corrugated steel plate, and no other outer wall enclosure materials are required.

[0004] If the prefabricated cabin is seriously or irreversibly damaged or aged during transportation or on-site, and the on-site repair conditions are not met and the cabin needs to be replaced, the prefabricated cabin needs to be transported back to the factory for repair or replacement. In this process, all equipment and wiring need to be removed, which is time-consuming and requires a long power outage. Even if it can be repaired on-site, the cost or man-hours required may be high.

[0005] The equipment in the cabin must enter and exit the cabin through the cabin door. When the equipment is large or heavy, it is particularly inconvenient to enter the cabin or replace it later. When replacing large equipment, the entire prefabricated cabin has to be replaced, such as GIS cabin, transformer cabin, 35kV air switch cabinet cabin, reactive power compensation SVG prefabricated cabin, etc.

[0006] Specifically, for prefabricated steel structure cabins or container cabins, after the cabin body is completely manufactured, the equipment is installed in the cabin, and then wiring and adjustments are carried out.

[0007] The equipment can only be installed after the cabin is completely processed and constructed. Although it is all carried out in the factory, it is still a linear operation, and the next one can only be carried out after one process is completed.

[0008] It is inconvenient to bring equipment into the cabin. It can only be entered and exited through the cabin door or maintenance door, and needs to be carried manually or with special equipment. Large equipment needs to be brought into the cabin in sections and installed inside the cabin.

[0009] During the process of equipment entry and wiring adjustment, cabin facilities or interior decoration may be damaged.

[0010] If the equipment or cabinets in the cabin need to be replaced later, the operation will be inconvenient and they need to be moved around in the cabin and finally transported out from a specific cabin door.

[0011] If the cabin needs to be replaced due to damage during transportation or long operation, all equipment and wiring must be disconnected and removed for maintenance, which is extremely inconvenient. Summary of the invention

[0012] The purpose of the present invention is to solve at least one technical problem in the background technology and to provide a method for constructing a split prefabricated cabin, a split prefabricated cabin and a substation.

[0013] To achieve the above object, the present invention provides a method for constructing a split prefabricated cabin, comprising:

[0014] Make the base frame, then install the trough box and copper busbar on the base frame, then install the cabinet equipment, wire the cables, install the floor, and form the base integration;

[0015] Make the shell frame, then integrate the lighting, HVAC, fire protection facilities and pipelines on the shell frame, and arrange the interior and exterior decoration to form the shell integration;

[0016] The housing integration and the base integration are positioned relative to each other and sealed and connected.

[0017] According to one aspect of the present invention, the pipelines for lighting, HVAC and fire protection integrated on the housing frame are:

[0018] All pipelines are gathered in the lighting distribution box and led downward from the lighting distribution box. At the end of the outer shell frame where there is no lighting distribution box, the pipelines pass through the top of the outer shell frame and go around to the lighting distribution box.

[0019] According to one aspect of the present invention, a shell connecting frame which is integrally connected with the base is provided at the bottom of the shell frame.

[0020] According to one aspect of the present invention, the housing integration and the base integration are positioned relative to each other as follows:

[0021] The housing integration and the base integration are positioned by means of positioning pins combined with laser positioning.

[0022] According to one aspect of the present invention, the housing integration and the base integration are positioned by a positioning pin combined with a laser positioning method, including:

[0023] A positioning pin with a four-sided cone is arranged at the diagonal of the base integration, and a positioning hole matching with the positioning pin is arranged at a corresponding position of the bottom of the shell integration;

[0024] A laser target installation position is set at the diagonal of the base integration, and a micro laser module installation position is set at a corresponding position on the bottom of the shell integration. When positioning is required, the laser target and the micro laser module are respectively installed at the corresponding positions, the shell integration is lifted by a crane, and the position of the shell integration is adjusted using an auxiliary pulling rope. When the cross projection emitted by the micro laser module is positioned at the laser target, the crane can be smoothly lowered to put the shell integration in place, thereby completing the positioning between the shell integration and the base integration.

[0025] According to one aspect of the present invention, the housing is integrated and the base is integrated and sealed as follows:

[0026] Corresponding bolt holes are reserved on the shell connection frame at the bottom of the shell integration and the base integration. Before the shell integration and the base integration are connected, structural adhesive is applied to the joint surface, and then the shell integration and the base integration are connected by bolts to form a sealed connection by the structural adhesive.

[0027] According to one aspect of the present invention, after the shell integration and the base integration are sealed and connected, a barrier for protecting the seam and waterproofing is provided at the seam between the shell integration and the base integration.

[0028] According to one aspect of the present invention, the housing is integrated with the base and prefabricated plug-and-play cable interfaces are integrated;

[0029] After the shell integration and the base integration are connected, the cables of the shell integration are connected to the outside world through the wire entry and exit holes of the base integration, and the device cables in the base integration are also connected to the outside world through the wire entry and exit holes of the base integration.

[0030] In order to achieve the above-mentioned purpose, the present invention also provides a split prefabricated cabin, which is constructed by the above-mentioned split prefabricated cabin construction method.

[0031] In order to achieve the above object, the present invention also provides a substation, comprising the above split prefabricated cabin.

[0032] According to one scheme of the present invention, a method for constructing a split prefabricated cabin includes: making a base frame, then installing a trough box and a copper busbar on the base frame, then installing cabinet equipment, wiring, and installing a floor 5 to form a base integration; making an outer shell frame, then integrating lighting, HVAC, and fire-fighting facilities and pipelines on the outer shell frame, and arranging interior and exterior decorations to form an outer shell integration; positioning the outer shell integration and the base integration relative to each other and sealingly connecting them. With such an arrangement, the base part and the outer shell part of the prefabricated cabin can be processed independently and integrated separately, and the construction integration can be carried out simultaneously, greatly improving the manufacturing efficiency of the prefabricated cabin. Moreover, through the above method, the equipment in the cabin does not need to enter and exit the cabin through the cabin door, making the equipment more convenient to integrate and install, and in the subsequent replacement or maintenance, it is only necessary to lift the outer shell as a whole and then install it back or directly replace the outer shell, which can effectively improve work efficiency and make the operation quick and convenient.

[0033] According to one solution of the present invention, the pipelines for lighting, HVAC and fire protection are integrated on the outer shell frame as follows: all pipelines are gathered in the lighting distribution box, and are led downward from the lighting distribution box. At the end of the outer shell frame without the lighting distribution box, the pipelines pass through the top of the outer shell frame and go around to the lighting distribution box. With this arrangement, the relevant pipelines for lighting, HVAC and fire protection in the prefabricated cabin can be arranged in an orderly manner on the outer shell frame, so that when replacing and maintaining, the pipelines will not affect the equipment on the base frame, ensuring rationality and safety.

[0034] According to one solution of the present invention, a shell connecting frame connected to the base integration is provided at the bottom of the shell frame, so that the shell integration and the base integration can be stably and securely connected together through the shell connecting frame.

[0035] According to one solution of the present invention, the shell integration and the base integration are positioned relative to each other as follows: the shell integration and the base integration are positioned by a positioning pin combined with a laser positioning method. This arrangement can make the positioning more accurate and reliable, ensure the accuracy of subsequent installation and fixation, and ensure the structural accuracy and reliability of the prefabricated cabin.

[0036] According to one solution of the present invention, the housing integration and the base integration are positioned by a positioning pin combined with a laser positioning method, including: setting a positioning pin with a four-sided cone at the diagonal of the base integration, and setting a positioning hole that cooperates with the positioning pin at the corresponding position of the bottom of the housing integration; setting a laser target installation position at the above diagonal of the base integration, and setting a micro laser module installation position at the corresponding position of the bottom of the housing integration. When positioning is required, the laser target and the micro laser module are installed to the corresponding positions respectively, the housing integration is lifted by a crane, and the position of the housing integration is adjusted using an auxiliary pulling rope. When the cross projection emitted by the micro laser module is positioned at the laser target, the crane can be steadily lowered to put the housing integration in place, completing the positioning between the housing integration and the base integration. With such a setting, the positioning accuracy between the housing integration and the base integration can be improved, and the positioning process is convenient and easy to operate, which effectively improves the construction efficiency.

[0037] According to one solution of the present invention, the shell integration and the base integration are sealed and connected as follows: corresponding bolt holes are reserved on the shell connection frame at the bottom of the shell integration and the base integration, and before the shell integration and the base integration are connected, structural adhesive is applied to the joint surface, and then the shell integration and the base integration are connected by bolts, and a sealed connection is formed by the structural adhesive. Such an arrangement can make the connection strength between the shell integration and the base integration high, and the sealing performance is good, ensuring the overall structural strength and sealing performance of the split prefabricated cabin formed.

[0038] According to one solution of the present invention, after the shell integration and the base integration are sealed and connected, a barrier for protecting the seam and preventing water leakage is set at the seam between the shell integration and the base integration. In this way, the seam between the shell integration and the base integration can be blocked by the barrier, which effectively protects the structure at the seam position and prevents water leakage at the seam position.

[0039] According to the solution of the present invention, the present invention provides a method for constructing a split prefabricated cabin, which has the characteristics of improving construction efficiency and facilitating later replacement and maintenance. As can be seen from the above, the specific method is: the base part and the shell part of the prefabricated cabin are processed independently, integrated separately, and can be carried out simultaneously. The base integration includes a base frame, a grounding copper bar, a wiring trough box, cabin equipment and its wiring, and a floor. The shell integration includes a cabin roof and a bulkhead and various auxiliary control facilities integrated thereon. Hanging points are set on the top of the base integration and the shell integration respectively. The shell integration and the base integration are located by a positioning pin combined with laser positioning. During installation, a bolt group is used for connection, and a structural adhesive is applied to the connection surface. After the connection is completed, the bottom enclosure is used for shielding and decoration. The cables in the cabin are connected to the outside world through the inlet and outlet holes of the base. When maintaining or replacing the shell, the shell can be hoisted away as a whole and then installed back or directly replaced. This split construction method can be applied to other prefabricated cabin equipment or promoted to the entire substation.

[0040] According to the solution of the present invention, the cabin base and the upper frame (shell) of the present invention can be separately processed and manufactured independently.

[0041] The equipment and wiring in the cabin are integrated into the cabin base. After the base is processed, the equipment can be installed and the wiring can be carried out.

[0042] Cabin lighting, HVAC and other electrical equipment and circuits are integrated with the cabin frame and cabin roof, and can be carried out simultaneously with the production or integration of the cabin base.

[0043] The present invention can conveniently and quickly replace the shell on site, and the shell can be hoisted away as a whole and replaced with a new shell.

[0044] The present invention can quickly remove or replace equipment in the cabin, especially large and overweight equipment such as switch cabinet equipment, GIS equipment and the like.

[0045] The method of the present invention can be applied to all other cabins of the substation and the overall substation construction, such as the primary cabin, GIS cabin, VGS cabin, transformer cabin, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 A schematic diagram showing a structural arrangement of a base frame according to an embodiment of the present invention;

[0047] Figure 2 A schematic diagram showing a structural arrangement of a base frame integrated with a mounting slot box and a copper busbar according to an embodiment of the present invention;

[0048] Figure 3 Schematically showing a structural layout diagram of a base frame integrated with mounting cabinet equipment, wiring and mounting floor according to an embodiment of the present invention;

[0049] Figure 4 A schematic diagram showing a structural arrangement of a housing frame according to an embodiment of the present invention;

[0050] Figure 5 A schematic diagram showing a structural arrangement of a housing integration according to an embodiment of the present invention;

[0051] Figure 6 Schematically showing a side view of a housing integration according to one embodiment of the present invention;

[0052] Figure 7 A schematic diagram showing the arrangement of the positioning pin structure integrated on the base according to an embodiment of the present invention;

[0053] Figure 8 A schematic diagram showing a base integration and shell integration matching and positioning structure arrangement diagram according to an embodiment of the present invention;

[0054] Fig. 9 A schematic diagram showing a base-integrated and shell-integrated matching connection structure arrangement diagram according to an embodiment of the present invention;

[0055] Fig.10 A schematic diagram showing an exploded view of the matching structure of the base integration and the shell integration according to an embodiment of the present invention;

[0056] Fig.11 A three-dimensional diagram schematically showing a split prefabricated cabin according to an embodiment of the present invention. DETAILED DESCRIPTION

[0057] The present invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are only to enable those skilled in the art to better understand and thus implement the present invention, rather than implying any limitation on the scope of the present invention.

[0058] As used herein, the term “including” and variations thereof are to be interpreted as open-ended terms meaning “including, but not limited to.” The term “based on” is to be interpreted as “based, at least in part, on.” The terms “one embodiment” and “an embodiment” are to be interpreted as “at least one embodiment.”

[0059] According to one embodiment of the present invention, a method for constructing a split prefabricated cabin includes:

[0060] like Figure 1 , Figure 2 and Figure 3 As shown, a base frame 1 is made, and then a trough box 2 (wiring trough) and a copper bus 3 are installed on the base frame 1, and then a cabinet device 4 is installed, wiring is performed, and a floor 5 is installed to form a base assembly 6;

[0061] like Figure 4 and Figure 5 As shown, a shell frame 7 is manufactured, and then lighting, HVAC, and fire-fighting facilities and pipelines (not shown in the figure) are integrated on the shell frame, and interior and exterior decorations are arranged to form a shell integration 8;

[0062] The shell integration 8 and the base integration 6 are mutually positioned and sealed and connected. With such an arrangement, the base part and the shell part of the prefabricated cabin can be processed independently and integrated separately, and the construction and integration can be carried out simultaneously, which greatly improves the manufacturing efficiency of the prefabricated cabin. Moreover, through the above method, the equipment in the cabin does not need to enter and exit the cabin through the cabin door, making the equipment more convenient to integrate and install, and in the subsequent replacement or maintenance, it is only necessary to lift the entire shell away and then install it back or directly replace the shell, which can effectively improve work efficiency and make the operation quick and convenient.

[0063] Further, according to an embodiment of the present invention, the pipelines for lighting, HVAC and fire protection integrated on the housing frame are:

[0064] All pipelines are gathered in the lighting distribution box, and are led downward from the lighting distribution box. At the end of the outer shell frame where there is no lighting distribution box, the pipelines pass through the top of the outer shell frame and go around to the lighting distribution box. This arrangement allows the relevant pipelines for lighting, HVAC, and fire protection in the prefabricated cabin to be arranged in an orderly manner on the outer shell frame. In this way, when replacing and maintaining, the pipelines will not affect the equipment on the base frame, ensuring rationality and safety.

[0065] Furthermore, if Figure 6 As shown, a shell connecting frame 9 connected to the base integration 6 is provided at the bottom of the shell frame 7. In this way, the shell integration 8 and the base integration 6 can be stably and securely connected together through the shell connecting frame 9.

[0066] Further, in this embodiment, the housing assembly 8 and the base assembly 6 are positioned relative to each other as follows:

[0067] The housing integration 8 and the base integration 6 are positioned by a positioning pin combined with a laser positioning method. Such a setting can make the positioning more accurate and reliable, ensure the accuracy of subsequent installation and fixation, and ensure the structural accuracy and reliability of the prefabricated cabin.

[0068] Furthermore, if Figure 7 and Figure 8 As shown, in this embodiment, the housing integration 8 and the base integration 6 are positioned by a positioning pin combined with a laser positioning method, including:

[0069] A positioning pin 10 with a quadrangular pyramid is provided at the diagonal of the base integration 6, and a positioning hole 11 cooperating with the positioning pin is provided at a corresponding position at the bottom of the housing integration 8;

[0070] The laser target installation position is set at the above diagonal of the base integration 6, and the micro laser module installation position is set at the corresponding position at the bottom of the shell integration 8. When positioning is required, the laser target 12 and the micro laser module 13 are installed at the corresponding positions respectively, the shell integration is lifted by the crane, and the position of the shell integration 8 is adjusted by the auxiliary pulling rope. When the cross projection emitted by the micro laser module 13 is positioned to the laser target 12, the crane can be smoothly lowered to put the shell integration 8 in place, and the positioning between the shell integration 8 and the base integration 6 is completed. Such a setting can make the positioning accuracy between the shell integration 8 and the base integration 6 high, and the positioning process is convenient and easy to operate, effectively improving the construction efficiency.

[0071] like Figure 1 , Figure 4 and Figure 5 As shown, in this embodiment, the side walls of the base frame 1 and the top of the outer shell frame 7 are respectively provided with lifting points 14 for crane lifting.

[0072] Furthermore, if Fig. 9 As shown, in this embodiment, the housing integration 8 and the base integration 6 are sealed and connected as follows:

[0073] Corresponding bolt holes are reserved on the shell connection frame 9 at the bottom of the shell integration 8 and the base integration 6. Before the shell integration 8 and the base integration 6 are connected, structural adhesive is applied to the joint surface, and then the shell integration 8 and the base integration 6 are connected by bolts 16, and a sealed connection is formed by the structural adhesive. In this way, the connection strength between the shell integration 8 and the base integration 6 is high, and the sealing performance is good, ensuring the overall structural strength and sealing performance of the split prefabricated cabin formed.

[0074] Moreover, in the present embodiment, when there is a cabinet inside the cabin formed by the shell integration 8 and the base integration 6 and it is inconvenient to tighten bolts or make holes, a lock or a pressure plate or other auxiliary fixing methods can be used to connect and fix the internal mechanism of the cabin.

[0075] Furthermore, if Fig.10 As shown, in this embodiment, after the shell assembly 8 and the base assembly 6 are sealed and connected, a barrier 15 for protecting the joint and waterproofing is provided at the joint of the shell assembly 8 and the base assembly 6. In this way, the joint of the shell assembly 8 and the base assembly 6 can be blocked by the barrier 15, which effectively protects the joint structure and prevents water leakage at the joint.

[0076] In this embodiment, the enclosure 15 may be opened at necessary locations, such as grounding points, and the openings should be sealed after grounding is completed.

[0077] Further, in this embodiment, the housing integration 8 and the base integration 6 are prefabricated with plug-and-play cable interfaces;

[0078] like Fig.11 As shown, after the shell integration 8 and the base integration 6 are connected, the cables of the shell integration 8 are connected to the outside world through the inlet and outlet holes of the base integration 6, and the device cables in the base integration 6 are also connected to the outside world through the inlet and outlet holes of the base integration 6.

[0079] According to the above scheme of the present invention, the present invention provides a method for constructing a split prefabricated cabin, which has the characteristics of improving construction efficiency and facilitating later replacement and maintenance. As can be seen from the above, the specific method is: the base part and the shell part of the prefabricated cabin are processed independently, integrated separately, and can be carried out simultaneously. The base integration includes a base frame, a grounding copper bar, a wiring trough box, cabin equipment and its wiring, and a floor. The shell integration includes a cabin top and a bulkhead and various auxiliary control facilities integrated thereon. Hanging points are set on the top of the base integration and the shell integration respectively. The shell integration and the base integration are located by a positioning pin combined with laser positioning. During installation, a bolt group is used for connection, and the connection surface is coated with structural glue. After the connection is completed, the bottom enclosure is used for shielding and decoration. The cables in the cabin are connected to the outside world through the inlet and outlet holes of the base. When maintaining or replacing the shell, the shell can be hoisted away as a whole and then installed again or directly replaced. This split construction method can be applied to other prefabricated cabin equipment or promoted to the entire substation.

[0080] According to the above solution of the present invention, the cabin base and the upper frame (shell) of the present invention can be processed and manufactured separately and independently.

[0081] The equipment and wiring in the cabin are integrated into the cabin base. After the base is processed, the equipment can be installed and the wiring can be carried out.

[0082] Cabin lighting, HVAC and other electrical equipment and circuits are integrated with the cabin frame and cabin roof, and can be carried out simultaneously with the production or integration of the cabin base.

[0083] The present invention can conveniently and quickly replace the shell on site, and the shell can be hoisted away as a whole and replaced with a new shell.

[0084] The present invention can quickly remove or replace equipment in the cabin, especially large and overweight equipment such as switch cabinet equipment, GIS equipment and the like.

[0085] The method of the present invention can be applied to all other cabins of the substation and the overall substation construction, such as the primary cabin, GIS cabin, VGS cabin, transformer cabin, etc.

[0086] Furthermore, to achieve the above object, the present invention also provides a split prefabricated cabin, which is constructed by the above split prefabricated cabin construction method. In this embodiment, the split prefabricated cabin can be all cabin equipment of the substation, such as a switch cabinet prefabricated cabin, a GIS prefabricated cabin, a reactive compensation SVG prefabricated cabin, etc.

[0087] Furthermore, to achieve the above-mentioned purpose, the present invention also provides a substation, comprising the above-mentioned split prefabricated cabin.

[0088] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A method for constructing a split prefabricated cabin, characterized in that: include: Make the base frame, then install the trough box and copper busbar on the base frame, then install the cabinet equipment, wire the cables, install the floor, and form the base integration; Make the shell frame, then integrate the lighting, HVAC, fire protection facilities and pipelines on the shell frame, and arrange the interior and exterior decoration to form the shell integration; The housing integration and the base integration are positioned relative to each other and sealed and connected.

2. The method for constructing a split prefabricated cabin according to claim 1, characterized in that: The pipelines for lighting, HVAC and fire protection integrated on the shell frame are: All pipelines are gathered in the lighting distribution box and led downward from the lighting distribution box. At the end of the outer shell frame where there is no lighting distribution box, the pipelines pass through the top of the outer shell frame and go around to the lighting distribution box.

3. The method for constructing a split prefabricated cabin according to claim 1, characterized in that: The bottom of the shell frame is provided with a shell connecting frame which is integrally connected with the base.

4. The method for constructing a split prefabricated cabin according to claim 1, characterized in that: Positioning the housing assembly and the base assembly relative to each other: The housing integration and the base integration are positioned by means of positioning pins combined with laser positioning.

5. The method for constructing a split prefabricated cabin according to claim 4, characterized in that: The housing integration and the base integration are positioned by a positioning pin combined with a laser positioning method, including: A positioning pin with a four-sided cone is arranged at the diagonal of the base integration, and a positioning hole matching with the positioning pin is arranged at a corresponding position of the bottom of the shell integration; A laser target installation position is set at the diagonal of the base integration, and a micro laser module installation position is set at a corresponding position on the bottom of the shell integration. When positioning is required, the laser target and the micro laser module are respectively installed at the corresponding positions, the shell integration is lifted by a crane, and the position of the shell integration is adjusted using an auxiliary pulling rope. When the cross projection emitted by the micro laser module is positioned at the laser target, the crane can be smoothly lowered to put the shell integration in place, thereby completing the positioning between the shell integration and the base integration.

6. The method for constructing a split prefabricated cabin according to claim 3, characterized in that: The housing integration and the base integration are sealed and connected as follows: Corresponding bolt holes are reserved on the shell connection frame at the bottom of the shell integration and the base integration. Before the shell integration and the base integration are connected, structural adhesive is applied to the joint surface, and then the shell integration and the base integration are connected by bolts to form a sealed connection by the structural adhesive.

7. The method for constructing a split prefabricated cabin according to claim 1, characterized in that: After the shell integration and the base integration are sealed and connected, a barrier for protecting the seam and waterproofing is arranged at the seam between the shell integration and the base integration.

8. The method for constructing a split prefabricated cabin according to any one of claims 1 to 7, characterized in that: The housing is integrated with the base and a prefabricated plug-and-play cable interface is integrated thereon; After the shell integration and the base integration are connected, the cables of the shell integration are connected to the outside world through the wire entry and exit holes of the base integration, and the device cables in the base integration are also connected to the outside world through the wire entry and exit holes of the base integration.

9. Split prefabricated cabin, characterized in that: The split prefabricated cabin is constructed by the construction method of any one of claims 1-8.

10. A substation, characterized in that: Including the split prefabricated cabin as described in claim 9.

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