CN110259207B - Digital transformer substation with modularized hierarchical structure - Google Patents
Digital transformer substation with modularized hierarchical structure Download PDFInfo
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- CN110259207B CN110259207B CN201910649528.4A CN201910649528A CN110259207B CN 110259207 B CN110259207 B CN 110259207B CN 201910649528 A CN201910649528 A CN 201910649528A CN 110259207 B CN110259207 B CN 110259207B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/04—Transformer houses; Substations or switchgear houses
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Patch Boards (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a digital transformer substation with a modularized hierarchical structure, which comprises prefabricated cabins provided with different working modules, wherein the prefabricated cabins are arranged singly or in a stacked manner; the prefabricated cabin comprises foundation units which are connected in sequence, and the foundation units are connected through forming splicing pieces; the prefabricated cabins are connected through the adjacent basic units through forming splicing pieces to form the digital transformer substation with the hierarchical structure. The modular transformer substation adopts a mode of stacking layers and a mode of connecting formed splicing pieces, so that a planar traditional transformer substation is changed into a flexible and variable three-dimensional transformer substation, occupation of land resources is reduced, and construction cost and period are reduced; and by introducing the concepts of the Internet of things and the mobile Internet, the panoramic data acquisition of the transformer substation is completed through a cloud computing structure, the monitoring of the transformer substation in the moving process is realized, the total station intellectualization of the transformer substation and the mobile office of the transformer substation are perfected, and the double-network fusion between the Internet of things and the mobile Internet of the transformer substation is realized.
Description
Technical Field
The invention relates to a digital transformer substation with a modularized hierarchical structure.
Background
At present, the 6-110 kV transformer substation in China is basically a main form of a traditional soil construction station, and has the advantages of long construction period, high construction cost, large occupied area, low intelligent level and limited on-site on-line monitoring of power switching equipment. With the increasing tension of land resources, the development of big data and mobile internet, the increasing requirements of users on a strong smart grid, and the strong demands on mobile operation and maintenance, active operation and maintenance, energy efficiency management, real-time online monitoring and the like. There is an urgent need for a power supply solution.
Disclosure of Invention
The invention provides a modular hierarchical structure digital transformer substation which is convenient to produce, transport and construct and aims to solve the technical problems of overcoming the defects of the prior art.
The invention provides a digital transformer substation with a modularized hierarchical structure, which comprises prefabricated cabins provided with different working modules, wherein the prefabricated cabins are arranged singly or in a stacked manner;
The prefabricated cabin comprises foundation units which are connected in sequence, and the foundation units are connected through forming splicing pieces; the prefabricated cabins are connected through adjacent basic units to form a digital transformer substation with a hierarchical structure; the shaping splice includes first shaping splice, first shaping splice both sides are provided with the projection respectively, the apex angle department of basic unit all is provided with the matching the first mounting groove of projection.
The top angle of the basic unit is provided with a connecting corner fitting, and the outer three surfaces of the connecting corner fitting are provided with the first mounting groove.
Wherein, the outermost periphery of the foundation unit is provided with a bearing column in the vertical direction and a bearing beam in the horizontal direction; the connecting corner fittings are arranged on the connection points of the bearing columns and the bearing beams, the first forming splicing pieces are arranged in the middle of the adjacent connecting corner fittings, and the convex columns of the first forming splicing pieces are respectively embedded into the corresponding first mounting grooves of the adjacent connecting corner fittings.
Wherein, be provided with the connecting piece between the spandrel girder of upper and lower adjacent foundation unit, spandrel girder is close to connection angle piece one side and is provided with the connecting hole, first shaping splice both sides are provided with two respectively and dodge the hole, the connecting piece passes the connecting hole of spandrel girder in proper order dodge the connecting hole of hole and upper adjacent or lower adjacent spandrel girder to connect the spandrel girder of upper and lower adjacent foundation unit.
The forming splicing piece further comprises a second forming splicing piece, wherein the spandrel girder comprises a top spandrel girder connected with the top of the spandrel column and a bottom spandrel girder connected with the bottom of the spandrel column, and the top spandrel girder is spliced with the adjacent bottom spandrel girder and the adjacent two spandrel columns through the second forming splicing piece.
The two sides of the second molding splicing piece are respectively provided with a convex column, and the bearing columns, the top bearing beams and the bottom bearing beams are respectively provided with a second mounting groove matched with the convex columns;
The second molding splice piece is arranged between the adjacent bearing columns, and the convex columns on the two sides of the second molding splice piece are respectively embedded into the second mounting grooves on the adjacent bearing columns; the second molding splice is arranged between the adjacent top bearing beam and bottom bearing beam, and the convex columns on the two sides of the second molding splice are respectively embedded into the second mounting groove on the top bearing beam and the second mounting groove on the bottom bearing beam.
Wherein, connecting piece connecting structures are arranged between the top bearing beam and the adjacent bottom bearing beam and between the adjacent two bearing columns; the connecting piece connecting structure comprises connecting holes arranged on the bearing columns, the top bearing beams and the bottom bearing beams, avoiding holes arranged on the second forming splicing pieces and connecting pieces.
The bearing beams of the adjacent bottom bearing beams are connected in a pairwise adjacent mode through sealing connecting pieces, the sealing connecting pieces comprise waterproof cover plates, two sides of each waterproof cover plate are connected with the adjacent bearing beams respectively, waterproof plates are arranged at the connecting positions of the waterproof cover plates and the foundation units, and the inner sides of the waterproof plates extend to the inside of the waterproof cover plates and are in sealing butt joint with the waterproof cover plates.
The working module comprises a high-voltage module, a transformer module, a medium-voltage module, a compensation and grounding module and an auxiliary and control module;
The prefabricated cabin provided with the high-voltage module is of a first-layer structure of a multi-layer structure, is connected with a civil foundation, and is provided with the transformer module, and is connected with the civil foundation or is arranged in the ground at the lower half part;
The prefabricated cabin of the medium-voltage module is of a first-layer structure or an upper-layer structure of a multi-layer structure, and is connected with a civil foundation or spliced at the top of the first-layer structure through a forming splicing piece;
the prefabricated cabin of the compensation and grounding module is of a multilayer structure and is assembled at the top of the first layer structure through a forming splicing piece;
The prefabricated cabin of the auxiliary and control module is of a multilayer structure or a top layer structure, and is assembled at the top of the first layer structure through a forming splicing piece or at the top of the upper layer structure through a forming splicing piece.
The prefabricated cabin is of a multilayer structure, is connected with a civil foundation or is assembled at the top of the first layer structure through a forming splicing piece.
The system also comprises a service cloud platform, a secondary measurement and control system and a mobile terminal;
The auxiliary and control module is connected with the service cloud platform through a wireless data transmission module, the auxiliary and control module is connected with the secondary measurement and control system through an optical fiber data transmission module, the mobile terminal is connected with the service cloud platform through the wireless data transmission module, and the high-voltage module, the transformer module, the medium-voltage module and the compensation and grounding module are all connected with the auxiliary and control module through the optical fiber data transmission module;
The secondary measurement and control system transmits information to the auxiliary and control module, the auxiliary and control module is in communication connection with the service cloud platform, the service cloud platform receives the information sent by the auxiliary and control module, processes the information and sends the processed information to the mobile terminal, and the mobile terminal displays the information and sends out control information.
The secondary measurement and control system comprises a cabinet device provided with a lightning protection system, a security monitoring system, a video monitoring system, a fire protection system, an environment monitoring system, a comprehensive system, a power supply system and a communication system.
The lightning rod protection device further comprises a step ladder, a platform, a lightning rod, a fence and an electronic fence.
The digital transformer substation adopting the modularized hierarchical structure provided by the invention has the following technical effects: the novel intelligent modularized transformer substation is designed, and a formed splicing piece is adopted for connection, so that a planar traditional transformer substation is changed into a flexible and variable three-dimensional transformer substation, occupation of land resources is reduced, and construction cost and period are reduced.
The modular design thought taking the minimum unit as the base number standardizes the parts and improves the universality of the parts. The form that the shaping splice piece is adopted to carry out building blocks splice connection makes complete transformer substation can decompose into a plurality of modulus units, has simplified the design flow, has reduced design work load and design cycle, has improved the commonality and the standardization level of spare part. Further improving the production efficiency, shortening the production period, saving the production cost and greatly accelerating the reaction speed of manufacturers. Meanwhile, the purpose that the transformer substation with a large projection area cannot be transported integrally and the road transportation condition is met in a zero-ground mode is achieved, and the field workload is greatly reduced. The method has higher economic benefit and social benefit in the construction of the strong smart grid.
Through introducing thing networking and mobile internet concept, through cloud computing structure, accomplished the panorama data acquisition to the transformer substation, realized monitoring the transformer substation in the removal, perfect the intelligent and mobile office of transformer substation's of total powerstation, realized the double-network integration between transformer substation's thing networking and the mobile internet.
The digital transformer substation solution is based on the Internet of things and mobile Internet technology, is modularized and has a hierarchical structure. Adopts advanced, reliable, environment-friendly and integrated intelligent equipment, takes total station information digitization, communication platform networking and information sharing standardization as basic requirements, automatically completes basic functions of information acquisition, measurement, control, protection, metering and detection, new energy access and the like, meanwhile, the modularized substation supporting advanced functions such as real-time automatic control, intelligent regulation, intelligent alarm, online data analysis, decision and collaborative interaction of a power grid, energy efficiency management, mobile operation and maintenance, building block splicing, multilayer structure and the like is provided. The floor area is small, the factory prefabrication period is short, the operation and maintenance cost and the electricity consumption cost are reduced, the safety, the reliability and the efficiency of the power distribution system are greatly improved, and the method has higher economic benefit and social benefit in the construction of a strong smart grid.
Drawings
Fig. 1 is a block diagram of a molded splice of a modular hierarchical digital substation according to the present invention.
Fig. 2 is a block diagram of another direction of a molded splice of the modular hierarchy digital substation of the present invention.
Fig. 3 is a block diagram of a connection corner fitting of the modular hierarchical structure digital substation according to the invention.
Fig. 4 is a partial cross-sectional view of the modular hierarchical digital substation according to the present invention, and fig. 5 is an enlarged partial view of a portion a in fig. 4.
Fig. 6 is a sectional view of the portion a of fig. 4 at another depth in a partially enlarged position. Fig. 7 is a partial enlarged view of the portion B in fig. 4.
Fig. 8 is a seal structure between two bearing columns of the modular hierarchical digital substation of the present invention.
Fig. 9 is a sealing structure between two roof beams of the modular hierarchical digital substation according to the invention.
Fig. 10 is a bird's eye view of the modular hierarchical digital substation of the present invention.
Fig. 11 is a bird's eye view of another arrangement of the modular hierarchical digital substation of the present invention.
Fig. 12 is a schematic diagram of splicing between prefabricated cabins of a modular hierarchy digital substation of the present invention.
Fig. 13 is a block diagram of a system of modular hierarchy digital substation according to the present invention.
Fig. 14 is a block diagram of a prefabricated cabin of the modular hierarchy digital substation of the present invention.
Fig. 15 is a partial cross-sectional view of a prefabricated compartment of a modular hierarchy digital substation of the present invention.
Fig. 16 is a partial enlarged view of a portion a in fig. 15.
In the figure, the foundation unit 1, the left foundation unit 101, the middle foundation unit 102, the right foundation unit 103, the bearing column 11, the top bearing beam 121, the bottom bearing beam 122, the first sealing strip 13, the outer decorative plate 14, the inner decorative plate 15, the foam filler 16, the second sealing strip 17, the bearing beam inner decorative plate 18, the molded splice, the first molded splice 21, the second molded splice 22, the boss 201, the avoidance hole 202, the connecting piece 3, the sealing connecting piece 4, the waterproof cover plate 41, the waterproof plate 42, the C-shaped sealing strip 43, the connecting bolt 44, the connecting corner piece 5, the first mounting groove 51, the cabin door 6, the step 71, the platform 72, the lightning rod 73, the fence 74, the electronic fence 75, the high voltage module 81, the transformer module 82, the medium voltage module 83, the compensation and grounding module 84, the auxiliary and control module 85, the tool and life module 86, and the tubular bus bar 87.
Detailed Description
The invention will now be described in detail with reference to the following examples and the accompanying drawings, it being pointed out that the examples described are intended only to facilitate an understanding of the invention and are not intended to be limiting in any way.
1-16, The modularized hierarchical structure digital substation provided by the invention comprises prefabricated cabins provided with different working modules, wherein the prefabricated cabins are arranged singly or in a stacked manner; the prefabricated cabin comprises foundation units 1 which are connected in sequence, and the foundation units 1 are connected through forming splicing pieces; the prefabricated cabins are connected through the adjacent basic units 1 through forming splicing pieces to form the digital transformer substation with a hierarchical structure. The shaping splice includes first shaping splice 21, and first shaping splice 21 both sides are provided with two projection 201 respectively, and eight apex angles department of basic unit 1 all are provided with the first mounting groove 51 of matching projection 201. Further, the eight vertex angles of the base unit 1 are provided with connection angle pieces 5, and the first mounting grooves 51 are formed in three outer surfaces of the connection angle pieces 5. Four vertical bearing columns 11 and eight horizontal bearing beams are arranged on the outermost periphery of the foundation unit 1; the connection corner fittings 5 are arranged at the connection points of the bearing columns 11 and the bearing beams, the first forming splicing pieces 21 are arranged in the middle of the adjacent connection corner fittings 5 of the adjacent four basic units 1, and when the four basic units 1 are spliced, the four convex columns 201 of the first forming splicing pieces 21 are respectively embedded into the corresponding first mounting grooves 51 of the adjacent four connection corner fittings 5. In a hierarchical stacking mode, a forming splicing piece connection mode is adopted, so that a planar traditional transformer substation is changed into a flexible and variable three-dimensional transformer substation, occupation of land resources is reduced, and construction cost and period are reduced. The transformer substation adopts a unified reference unit as a standard modulus, the base unit 1 is composed of three modulus widths, the widths of 800mm and 1000mm are used as standard moduli so as to adapt to the internal installation of the switch electric appliance, and then the base units are composed of three modulus widths, namely 2400mm, 2600mm, 2800mm and 3000mm base units. Therefore, in the modular concept, the forming splicing piece is adopted to carry out building block splicing connection, so that the complete transformer substation can be decomposed into a plurality of modular units, the design flow is simplified, the design workload and the design period are reduced, and the universality and the standardization degree of the parts are improved. Further improving the production efficiency, shortening the production period and greatly accelerating the reaction speed of manufacturers. Meanwhile, the purpose that the transformer substation with a large projection area cannot be transported integrally and road transportation conditions are met in a zero-ground mode is achieved. Preferably, the shaped splice is a mortise and tenon joint.
Further, a splicing member 3 is arranged between the spandrel girders of the upper and lower adjacent foundation units, a connecting hole is formed on one side of the spandrel girders, which is close to the connecting corner fitting 5, two avoidance holes 202 are respectively formed on two sides of the first forming splicing member 21, and the splicing member 3 sequentially penetrates through the connecting hole of the spandrel girders, the avoidance holes 202 and the connecting holes of the upper adjacent or lower adjacent spandrel girders, so that the spandrel girders of the upper and lower adjacent foundation units 1 are connected. In this way, the connection between the adjacent four base units is made more secure and stable, especially the connection between the adjacent base units up and down is made more secure, overturning is prevented, and the first molding splice 21 is prevented from slipping off. Preferably, two ends of the first forming splicing element 21 are respectively provided with an avoidance hole 202, each spandrel girder is correspondingly provided with two connecting holes, and adjacent spandrel girders are connected through two splicing elements 3.
Further, the forming splice further comprises a second forming splice 22, and the eight spandrel girders comprise four top spandrel girders 121 connected with the tops of the spandrel girders 11 and four bottom spandrel girders 122 connected with the bottoms of the spandrel girders 11, and the two adjacent spandrel girders 11 are spliced by the second forming splice 22 between the top spandrel girders 121 and the adjacent bottom spandrel girders 122. The second molding splice 22 is provided with studs 201 on both sides, and second mounting grooves matching the studs 201 are provided on the spandrel posts 11, the top spandrel girder 121 and the bottom spandrel girder 122. During splicing, splicing connection between the left side and the right side is passed, a second molding splicing piece 22 is arranged between two adjacent bearing columns 11, and convex columns 201 on two sides of the second molding splicing piece 22 are respectively embedded into second mounting grooves on the two adjacent bearing columns 11; when splicing with a multilayer structure, the splicing connection between the upper and lower parts passes through, the second forming splicing piece 22 is arranged between the adjacent top bearing beam 121 and bottom bearing beam 122, and the convex columns 201 on the two sides of the second forming splicing piece 22 are respectively embedded into the second mounting grooves on the top bearing beam 121 and the second mounting grooves on the bottom bearing beam 122. Preferably, the second forming splice 22 is identical in shape to the first forming splice, and two studs 201 are provided on each side, and the second mounting groove comprises two mounting grooves provided on each of the load-bearing studs 11 and the load-bearing beam for matching the two studs 201 on the same side of the second forming splice 22. Therefore, only one forming connection structure is used, and the production and the installation are simpler and more convenient.
Further, connecting piece connecting structures are arranged between the top bearing beam 121 and the adjacent bottom bearing beam 122 and between the adjacent two bearing columns 11; the connector connection structure includes connection holes provided on the spandrel post 11, the top spandrel girder 121 and the bottom spandrel girder 122, and relief holes 202 and the splice 3 provided on the second molding splice 22. When two adjacent bearing columns 11 are connected through the splicing piece 3, the splicing piece 3 sequentially passes through the connecting hole on the bearing column 11, the avoiding hole 202 and the connecting hole on the adjacent bearing column 11, so that the two adjacent bearing columns 11 are connected. When the top bearing beams 121 and the adjacent bottom bearing beams 122 are connected through the connecting structure of the splicing pieces 3, the splicing pieces 3 sequentially penetrate through the connecting holes on the top bearing beams 121, the avoiding holes 202 and the connecting holes on the adjacent bottom bearing beams 122, so that the adjacent top bearing beams 121 and the adjacent bottom bearing beams 122 are connected. The connection between the adjacent two base units is made stronger and the second molding splice 22 is prevented from slipping off. Gaps are formed between two adjacent bearing columns 11 and between the top bearing beam 121 and the adjacent bottom bearing beam 122, foam filler 16 is filled in the gaps, and a first sealing strip 13 is arranged at an opening of the outer side of the gaps. Thus, rainwater, dirt and the like can be effectively prevented from entering the gap and the prefabricated cabin. Preferably, the first sealing strip 13 is a T-shaped sealing strip, one end of which extends into the slit and the other end of which completely covers the opening of the slit outside. An outer decorative plate 14 is further arranged on the outer side of the first sealing strip 13, and two sides of the outer decorative plate 14 are respectively connected with two adjacent bearing columns 11; an inner decorative plate 15 is arranged at the opening of the inner side of the gap, and two sides of the inner decorative plate 15 are respectively connected with two adjacent bearing columns 11. The gap is further sealed, so that a better sealing effect is achieved, and the appearance is attractive. Preferably, the middle portion of the outer decorative plate 14 protrudes outward, both sides extend toward the base unit, and the portion extending toward the base unit is connected to the base unit. The interior trim panel 15 completely covers the slit inboard opening.
The prefabricated cabins in the digital substation of the hierarchical structure are in the case where the prefabricated cabins of the single layer arrangement or the upper layer are shorter in length than the prefabricated cabins of the lower layer, in which case there are roof beams 121 that do not need to be connected with the floor beams 122. At this time, the bearing beams 121 of the non-adjacent bottom bearing beams 122 are connected by the sealing connecting pieces 4 when being adjacent to each other, the sealing connecting pieces 4 comprise waterproof cover plates 41, two sides of each waterproof cover plate 41 are respectively connected with the two adjacent bearing beams 121, two connecting positions of each waterproof cover plate 41 and the foundation unit 1 are respectively provided with a C-shaped waterproof plate 42, and the inner sides of the C-shaped waterproof plates 42 extend into the waterproof cover plates 41 and are in sealing butt joint with the waterproof cover plates 41. Preferably, both sides of the waterproof cover plate 41 are connected with the adjacent two jacking beams 121 through the connection bolts 44, respectively, and the connection bolts 44 pass through the waterproof cover plate 41 and the C-shaped waterproof plate 42 in sequence to be connected with the jacking beams 121. The waterproof cover plate 41 not only can fasten the tops of the adjacent two base units 1, but also plays roles of top waterproofing and dust proofing, and the arrangement of the C-shaped waterproof plate 42 and the C-shaped sealing strip 43 further increases the waterproofing and dust proofing effects. A groove with an open top is formed between adjacent bearing beams 121, foaming filler 16 is filled in the groove, and a second sealing strip 17 is arranged at the open top of the groove. Preferably, the second sealing strip 17 is a T-shaped sealing strip, one end of which extends into the groove and the other end of which completely covers the opening of the groove. Further, the inner side of the two adjacent roof trusses 121 is also provided with a spandrel inner trim panel 18.
The base unit 1 further comprises a base arranged between the bottom spandrel girders 122, the base comprising a spandrel layer, on which the equipment fixing device is fixedly connected, preferably comprising a metal frame arranged on the spandrel layer, inside which a lifting bar is further arranged, which is telescopically arranged in the bearing layer. The foundation unit 1 further comprises a wall body, wherein the wall body is arranged between the base and the cabin roof, a horizontal wire groove is arranged at the top of the wall body along the horizontal direction, preferably, the horizontal wire groove is an angle wire groove, a vertical wire groove is arranged on the wall body along the vertical direction, preferably, the vertical wire groove is a hidden door type wire groove, the top end of the vertical wire groove is communicated with the horizontal wire groove, the other end of the vertical wire groove extends to the bearing layer, and wiring terminals are arranged at both ends of the horizontal wire groove and both ends of the vertical wire groove; the wall body is sequentially provided with a wall body outer decorative plate, a keel, an air interlayer, a heat insulation plate and a wall body inner decorative plate from outside to inside, wherein the keel comprises a bearing column 11 and a bottom bearing beam 122; the wall body is internally provided with a mounting position of at least one of a fan, a camera, a terminal box and a socket.
The foundation unit 1 further comprises a cabin roof, wherein an outer top plate, a cabin roof keel, an air interlayer, a heat insulation plate and an inner ceiling are sequentially arranged on the cabin roof from outside to inside, and the cabin roof keel comprises a roof bearing beam 121; the cabin roof is internally provided with a lighting lamp belt, a smoke detector and a mounting position of at least one of the smoke detector and the temperature detector. The prefabricated cabin is also provided with a cabin door 6, and the cabin door 6 is provided with at least one installation position of an illumination switch, an alarm button, a signaling device, evacuation illumination, a door magnetic lock, an escape lock, a door magnetic switch and a socket.
The base unit 1 includes three forms of base units of a left base unit 101, a middle base unit 102, and a right base unit 103; the wall body of the left base unit 101 includes a front wall body, a left wall body and a rear wall body which are sequentially connected; the wall body of the middle foundation unit 102 comprises a front wall body and a rear wall body which are oppositely arranged, and the wall body of the right foundation unit 103 comprises a front wall body, a right wall body and a rear wall body which are sequentially connected; the prefabricated cabin comprises a left base unit 101, several intermediate base units 102 and a right base unit 103 connected in sequence.
Further, the operating modules include a high voltage module 81, a transformer module 82, a medium voltage module 83, a compensation and grounding module 84, and an auxiliary and control module 85. The prefabricated cabin provided with the high-voltage module is of a multilayer structure and is connected with a civil engineering foundation. The prefabricated cabin provided with the transformer module is of a multilayer structure, the first layer structure is connected with a civil foundation or the lower half part of the prefabricated cabin is arranged underground, preferably, the prefabricated cabin for installing the transformer is additionally provided with a sound absorbing and insulating device, the surrounding walls adopt metal shutter sound absorbing plates, the inner top is provided with a pinhole sound absorbing plate, and meanwhile, the outer top is provided with an unpowered hood, so that passive ventilation is increased. The prefabricated cabin of the medium-voltage module is of a first-layer structure or an upper-layer structure of a multi-layer structure, and is connected with a civil foundation or spliced at the top of the first-layer structure through a forming splicing piece; the prefabricated cabin of the compensation and grounding module is of a multilayer structure and is spliced at the top of the first-layer structure through a forming splicing piece; the prefabricated cabin of the auxiliary and control module is of a multilayer structure or a top layer structure, and is spliced at the top of the first layer structure through a forming splicing piece or spliced at the top of the upper layer structure through the forming splicing piece. The working module further includes tools and living modules 86 disposed in the prefabricated cabins to provide necessary living space, office space, tool storage space, and data storage space for substation workers. The prefabricated cabin provided with the tools and the living modules is of a first-layer structure or an upper-layer structure of a multi-layer structure, and is connected with a civil foundation or spliced at the top of the first-layer structure through a forming splicing piece. The transformer module is connected with the high-voltage module and the medium-voltage module by adopting a power cable or an insulating tube bus, so that the whole indoor layout is realized.
Further, the digital substation further comprises a service cloud platform, a secondary measurement and control system and a mobile terminal; the auxiliary and control module is connected with the service cloud platform through the wireless data transmission module, the auxiliary and control module is connected with the secondary measurement and control system through the optical fiber data transmission module, the mobile terminal is connected with the service cloud platform through the wireless data transmission module, and the high-voltage module, the transformer module, the medium-voltage module and the compensation and grounding module are all connected with the auxiliary and control module through the optical fiber data transmission module; the secondary measurement and control system transmits information to the auxiliary and control module, the auxiliary and control module is in communication connection with the service cloud platform, the service cloud platform receives and processes the information sent by the auxiliary and control module, the processed information is sent to the mobile terminal, and the mobile terminal displays the information and sends out control information. The secondary measurement and control system comprises cabinet equipment for installing a lightning protection system, a security monitoring system, a video monitoring system, a fire extinguishing system, an environment monitoring system, a comprehensive self-system, a power supply system and a communication system. Therefore, by introducing the concepts of the Internet of things and the mobile Internet, panoramic data acquisition of the transformer substation is completed through the cloud computing structure, monitoring of the transformer substation in movement is achieved, total station intellectualization of the transformer substation and mobile office of the transformer substation are perfected, and double-network fusion between the Internet of things and the mobile Internet of the transformer substation is achieved. The digital transformer substation solution is based on the Internet of things and mobile Internet technology, is modularized and has a hierarchical structure. Adopts advanced, reliable, environment-friendly and integrated intelligent equipment, takes total station information digitization, communication platform networking and information sharing standardization as basic requirements, automatically completes basic functions of information acquisition, measurement, control, protection, metering and detection, new energy access and the like, meanwhile, the modularized substation supporting advanced functions such as real-time automatic control, intelligent regulation, intelligent alarm, online data analysis, decision and collaborative interaction of a power grid, energy efficiency management, mobile operation and maintenance, building block splicing, multilayer structure and the like is provided. The floor area is small, the factory prefabrication period is short, the operation and maintenance cost and the electricity consumption cost are reduced, and the safety, the reliability and the efficiency of the power distribution system are greatly improved. The method has higher economic benefit and social benefit in the construction of the strong smart grid.
Further, a step 71, a platform 72, a lightning rod 73, a fence 74 and an electronic fence 75 are also arranged in the digital substation. After splicing the prefabricated cabins of the hierarchical structure, a step ladder 71 should be spliced beside the first layer, so that workers can enter the prefabricated cabins of more than two layers of functional modules. The front of the prefabricated cabin doors 6 of two layers or more should be assembled with a platform so as to facilitate the transportation and use of personnel and equipment. The platform adopts the same standard modulus with the prefabricated cabin and forms a basic unit with the same specification. The platform mesa adopts mesh hollow out construction, avoids ponding, is equipped with the protection rail simultaneously, avoids personnel's high altitude to fall.
The above examples are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions made by those skilled in the art within the scope of the present invention should be included in the scope of the present invention.
Claims (5)
1. The modularized hierarchical structure digital substation is characterized by comprising prefabricated cabins provided with different working modules, wherein the prefabricated cabins are arranged singly or in a stacked mode;
The prefabricated cabin comprises foundation units which are connected in sequence, and the foundation units are connected through forming splicing pieces; the prefabricated cabins are connected through adjacent basic units to form a digital transformer substation with a hierarchical structure; the forming splicing piece comprises a first forming splicing piece, convex columns are respectively arranged at two sides of the first forming splicing piece, and first mounting grooves matched with the convex columns are respectively arranged at the vertex angles of the basic units;
the top angles of the foundation units are respectively provided with a connecting corner fitting, and the three surfaces of the connecting corner fittings, which are positioned outside, are respectively provided with the first mounting groove;
The outermost periphery of the foundation unit is provided with a bearing column in the vertical direction and a bearing beam in the horizontal direction; the connecting corner fittings are arranged on the connection points of the bearing columns and the bearing beams, the first forming splicing pieces are arranged in the middle of the adjacent connecting corner fittings, and the convex columns of the first forming splicing pieces are respectively embedded into the corresponding first mounting grooves of the adjacent connecting corner fittings;
A connecting piece is arranged between the spandrel girders of the upper and lower adjacent foundation units, a connecting hole is formed in one side, close to the connecting corner piece, of the spandrel girders, two avoidance holes are respectively formed in two sides of the first forming splicing piece, and the connecting piece sequentially penetrates through the connecting hole of the spandrel girders, the avoidance holes and the connecting holes of the upper adjacent or lower adjacent spandrel girders, so that the spandrel girders of the upper and lower adjacent foundation units are connected;
The forming splicing piece further comprises a second forming splicing piece, wherein the spandrel girder comprises a top spandrel girder connected with the top of the spandrel column and a bottom spandrel girder connected with the bottom of the spandrel column, and the top spandrel girder is spliced with the adjacent bottom spandrel girder and the adjacent two spandrel columns through the second forming splicing piece;
convex columns are arranged on two sides of the second molding splicing piece, and second mounting grooves matched with the convex columns are formed in the bearing columns, the top bearing beam and the bottom bearing beam;
The second molding splice piece is arranged between the adjacent bearing columns, and the convex columns on the two sides of the second molding splice piece are respectively embedded into the second mounting grooves on the adjacent bearing columns; the second molding splice is arranged between the adjacent top bearing beam and bottom bearing beam, and the convex columns on the two sides of the second molding splice are respectively embedded into the second mounting groove on the top bearing beam and the second mounting groove on the bottom bearing beam;
connecting piece connecting structures are arranged between the top bearing beam and the adjacent bottom bearing beam and between the adjacent two bearing columns; the connecting piece connecting structure comprises connecting holes arranged on the bearing columns, the top bearing beams and the bottom bearing beams, avoiding holes arranged on the second forming splicing pieces and connecting pieces;
The working module comprises a high-voltage module, a transformer module, a medium-voltage module, a compensation and grounding module and an auxiliary and control module;
the prefabricated cabin provided with the high-voltage module is of a first-layer structure of a multi-layer structure, is connected with a civil foundation, and is provided with the transformer module, and is connected with the civil foundation or is arranged in the ground at the lower half part; the prefabricated cabin of the medium-voltage module is of a first-layer structure or an upper-layer structure of a multi-layer structure, and is connected with a civil foundation or spliced at the top of the first-layer structure through a forming splicing piece;
the prefabricated cabin of the compensation and grounding module is of a multilayer structure and is assembled at the top of the first layer structure through a forming splicing piece;
The prefabricated cabin of the auxiliary and control module is of a multilayer structure or a top layer structure, and is assembled at the top of the first layer structure through a forming splicing piece or is assembled at the top of the upper layer structure through a forming splicing piece;
the system also comprises a service cloud platform, a secondary measurement and control system and a mobile terminal;
The auxiliary and control module is connected with the service cloud platform through a wireless data transmission module, the auxiliary and control module is connected with the secondary measurement and control system through an optical fiber data transmission module, the mobile terminal is connected with the service cloud platform through the wireless data transmission module, and the high-voltage module, the transformer module, the medium-voltage module and the compensation and grounding module are all connected with the auxiliary and control module through the optical fiber data transmission module;
The secondary measurement and control system transmits information to the auxiliary and control module, the auxiliary and control module is in communication connection with the service cloud platform, the service cloud platform receives the information transmitted by the auxiliary and control module, processes the information and transmits the processed information to the mobile terminal, and the mobile terminal displays the information and transmits control information;
and the protective fence is used for avoiding personnel falling from high altitude.
2. The digital transformer substation with the modular hierarchical structure according to claim 1, wherein the bearing beams without adjacent bottom bearing beams are connected in a pairwise adjacent mode through sealing connecting pieces, the sealing connecting pieces comprise waterproof cover plates, two sides of each waterproof cover plate are respectively connected with the adjacent bearing beams, waterproof plates are arranged at the connection positions of the waterproof cover plates and the foundation units, and the inner sides of the waterproof plates extend into the waterproof cover plates and are in sealing abutting connection with the waterproof cover plates.
3. The modular hierarchical structure digital substation according to claim 1, further comprising tools and living modules arranged in the prefabricated cabins, wherein the prefabricated cabins provided with the tools and the living modules are of a multi-layer structure, are of a first-layer structure or an upper-layer structure, and are connected with a civil foundation or are assembled at the top of the first-layer structure through forming splicing pieces.
4. The modular, hierarchical, digital substation of claim 1, wherein the secondary measurement and control system comprises cabinet equipment for installing a lightning protection system, a security monitoring system, a video monitoring system, a fire protection system, an environmental monitoring system, an integrated system, a power supply system, and a communication system.
5. A modular hierarchical digital substation according to any of claims 1-4, further comprising steps, platforms, lightning rods and electronic fences.
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| CN201910649528.4A CN110259207B (en) | 2019-07-18 | 2019-07-18 | Digital transformer substation with modularized hierarchical structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113235644B (en) * | 2021-05-31 | 2023-03-28 | 广东电网有限责任公司 | Self-anchoring foundation of total-station prefabricated cabin type transformer substation |
| CN115506599B (en) * | 2021-11-30 | 2024-08-20 | 青岛特锐德电气股份有限公司 | Installation method of prefabricated cabin for transformer substation |
| CN115506637A (en) * | 2022-01-06 | 2022-12-23 | 青岛特锐德电气股份有限公司 | A substation with a built-in transformer |
| CN115492434A (en) * | 2022-01-06 | 2022-12-20 | 青岛特锐德电气股份有限公司 | Transformer substation with external transformer |
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