CN216921557U - Transformer substation with external transformer - Google Patents

Abstract

The utility model discloses a transformer substation with an external transformer, which comprises a transformer part and a prefabricated cabin part, wherein the transformer part is arranged outside the prefabricated cabin part, a certain distance is reserved between the transformer part and the prefabricated cabin part, the transformer part at least comprises transformer equipment, the prefabricated cabin is provided with one or more layers, and each layer of prefabricated cabin is formed by splicing a plurality of electrical equipment modules and a plurality of auxiliary function modules which are divided according to functions in the horizontal direction. The transformer substation can improve the factory prefabrication degree of the prefabricated cabin, and achieves optimal module segmentation, optimal factory prefabrication, optimal transportation cost and optimal site construction.

Description

Transformer substation with external transformer

Technical Field

The utility model relates to the technical field of transformer substations, in particular to a transformer substation with an external transformer.

Background

The traditional transformer substation is generally in a civil engineering mode, needs site construction and construction, and has the defects of long construction period, large influence on the surrounding environment, large occupied area and the like. With the increasing shortage of urban land, the living density of residents is continuously improved, and the problems that the normal life of the residents is influenced, the surrounding living environment is influenced and the like exist in a newly-built transformer substation in the urban center. In addition, the transformer substation is built under severe environments such as high altitude and the like, and the problems of long construction period, poor environment, difficult construction, high labor intensity of personnel and the like exist.

In order to solve the problems, a prefabricated cabin type transformer substation adopting a prefabricated cabin structure is widely used, and electrical equipment such as high-voltage equipment, low-voltage equipment, secondary equipment and a bus bridge are integrated in the prefabricated cabin, and auxiliary equipment such as corridors, suspended ceilings, air ducts, stairs and air conditioners are also integrated.

The mode that traditional prefabricated cabin formula transformer substation mostly was single-deck tiling overall arrangement or double-deck overall arrangement, area is big when facing 3 main transformer and above transformer substation schemes, and the prefabricated degree of batch production promotes and reaches the bottleneck. In addition, the requirements of optimal module division, optimal factory prefabrication, optimal transportation cost and optimal site construction cannot be supported by a traditional prefabricated cabin type transformer substation cabin body grid-shaped separation mode and a bottom hoisting mode.

For the transformer substation with the external transformer, some transformers are exposed, some transformers are arranged in the transformer cabin body, and the cabin body for placing the transformers is installed in a bottom-hoisting mode, so that the transformer cabin body and the foundation connecting piece are inconvenient to fix.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems pointed out in the background technology, the utility model provides the transformer substation with the external transformer, wherein a transformer cabin body adopts an installation mode of top hoisting and bottom positioning, and the transformer substation can improve the factory prefabrication degree of a prefabricated cabin and realize optimal module division, optimal factory prefabrication, optimal transportation cost and optimal site construction.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides a transformer substation with an external transformer, which comprises:

the transformer part is arranged outside the prefabricated cabin part, and a certain distance is reserved between the transformer part and the prefabricated cabin part;

the transformer portion comprises at least a transformer device;

the prefabricated cabin is provided with one or more layers, and each layer of the prefabricated cabin is formed by splicing a plurality of electrical equipment modules and a plurality of auxiliary function modules which are divided according to functions in the horizontal direction.

In some embodiments of this application, the transformer part still includes the transformer cabin body that is used for placing transformer equipment, the transformer cabin body is the open box-shaped structure in bottom, the top of the transformer cabin body is equipped with hoist and mount portion, the bottom of the transformer cabin body is fixed with the ground connecting piece through first location structure.

In some embodiments of the present application, the first positioning structure comprises a first positioning member and a first guide member;

the first positioning piece is provided with a first guide column and is arranged on the foundation connecting piece;

the first guide piece is provided with a first guide hole and is arranged at the bottom of the transformer cabin body;

the first guide post is correspondingly inserted into the first guide hole.

In some embodiments of the present application, the top portions of the electrical equipment module and the auxiliary function module are both provided with a hoisting portion, and the bottom portions of the electrical equipment module and the auxiliary function module are both provided with a second positioning structure;

and splicing is realized between two adjacent electrical equipment modules, between two adjacent auxiliary function modules and between the adjacent electrical equipment modules and the adjacent auxiliary function modules in the horizontal direction through the second positioning structure.

In some embodiments of the present application, the second positioning structure comprises a second positioning element and a second guiding element;

a plurality of second guide posts are arranged on the second positioning piece, second guide holes are formed in the second guide pieces, and the second guide pieces are arranged at the bottoms of the electrical equipment module and the auxiliary function module;

during the concatenation, will the second setting element is installed to one of them and is treated the concatenation the electrical equipment module or on the auxiliary function module, and make one of them the second guide post is worn to locate and is corresponded the electrical equipment module or on the auxiliary function module in the second guide hole, again with all the other ones of treating the concatenation the electrical equipment module or second guide hole on the auxiliary function module is rather than remaining the second guide post corresponds the grafting.

In some embodiments of the present application, the electrical equipment module comprises:

the electric equipment cabin body is internally provided with a supporting frame cylinder structure, and at least one of a bus channel, a cable channel and a pressure relief channel is arranged in an internal space surrounded by the supporting frame cylinder structure;

and the electrical equipment is arranged in the electrical equipment cabin body.

In some embodiments of the present application, the auxiliary function module includes corridor integrated module, and its bottom is equipped with the floor, the top is equipped with the furred ceiling, the furred ceiling with be equipped with wind channel and/or generating line bridge in the space between corridor integrated module's the back timber.

In some embodiments of the present application, the auxiliary function module further includes a stair environmental control integrated module, which is separated into an environmental control room and a stair room by a partition structure, an air conditioning device is disposed in the environmental control room, and a stair is disposed in the stair room.

In some embodiments of the present application, each of the electrical equipment modules and each of the auxiliary function modules are of a standard modular size;

the standard module size = a minimum size of each of the electrical equipment modules and the auxiliary function module + an integral multiple of a reference module size, and the reference module size is a preset fixed value.

Compared with the prior art, the utility model has the advantages and positive effects that:

the transformer substation is externally arranged, and the transformer cabin body is installed in a top-hoisting and bottom-positioning mode, so that the field installation efficiency is greatly improved.

The prefabricated cabin part disclosed by the application divides the electrical equipment module and the auxiliary function module into modules according to functions, and the electrical equipment module and the auxiliary function module can be combined and arranged at will according to user requirements.

The electrical equipment module and the auxiliary function module are prefabricated and wired in a factory respectively, then the electrical equipment module and the auxiliary function module are used as transportation units to transport client sites, and then the transportation units are used as independent installation units to be spliced, so that the factory prefabrication degree of a prefabricated cabin is greatly improved, and the optimal module division, optimal factory prefabrication, optimal transportation cost and optimal site construction are realized.

One form of electrical equipment module in this application only includes electrical equipment, and does not include auxiliary function modules such as other corridors, and another form includes electrical equipment and corridor module, and its common characteristics are for highly integrated in same cabin with electrical equipment, accomplish prefabrication and wiring in the mill, utilize the inside healthy production quality inspection mechanism of mill effectual assurance product quality, it is big to need the on-the-spot wiring work load of customer among the prior art, the difficult technological problem of controlling of wiring quality.

The supporting structure in the electrical equipment module plays a role in improving the structural strength, integrates the functions of wiring and pressure relief, contributes to improving the internal structural compactness and further reduces the occupied area of the cabin body.

The interface between each module is standardized, and the module size is standardized and modularized, so that each module has strong interchangeability and feasibility of factory prefabrication.

The size of each electrical equipment module and each auxiliary function module is standard modulus size, and through the setting of standard modulus size, the module can satisfy the increase of transformer substation equipment dilatation and operation and maintenance space through the increase of module quantity convenient and fast ground, has reduced the kind of module simultaneously.

In the application, the modules are quickly spliced and installed in a top hoisting and bottom positioning mode, and the field installation efficiency and reliability are improved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a transformer part including transformer equipment and a transformer cabin in a transformer substation according to an embodiment;

fig. 2 is a schematic diagram of a transformer section of a substation including only transformer equipment according to an embodiment;

FIG. 3 is a schematic view of a layout of a modular prefabricated cabin according to an embodiment;

FIG. 4 is a schematic view of another layout of a modular prefabricated cabin according to an embodiment;

FIG. 5 is a schematic view of another layout of a modular prefabricated cabin according to an embodiment;

FIG. 6 is a mesh-shaped dividing manner of each module in a prefabricated cabin in the prior art;

FIG. 7 illustrates a manner of partitioning by modules within a prefabricated cabin according to an embodiment;

FIG. 8 is a schematic structural diagram of an electrical equipment module according to an embodiment;

FIG. 9 is a schematic structural view of a support structure according to an embodiment;

FIG. 10 is a schematic view of the structure shown in FIG. 9 with the first side sealing plate omitted;

fig. 11 is a sliding mounting structure between an electrical device and a base according to an embodiment;

FIG. 12 is a horizontal mosaic between two adjacent modules according to an embodiment;

FIG. 13 is an enlarged view of portion J of FIG. 12;

FIG. 14 is an exploded view of the structure shown in FIG. 13;

FIG. 15 is a schematic structural view of a positioning member according to an embodiment;

FIG. 16 is a schematic view of the arrangement of two modules at the ends when spliced one above the other according to an embodiment;

FIG. 17 is a top view of an individual module of a prefabricated cabin according to an embodiment;

FIG. 18 is a front view of the structure of FIG. 17 from direction A;

FIG. 19 is a cross-sectional view taken along line A-A of the structure shown in FIG. 17;

FIG. 20 is a schematic view showing another arrangement layout of partition structures according to the embodiment;

FIG. 21 is a front view in the direction B of the structure shown in FIG. 20;

FIG. 22 is a cross-sectional view taken along line B-B of the structure shown in FIG. 20;

FIG. 23 is a schematic view of a fixed structure of the cabins stacked up and down according to the embodiment;

FIG. 24 illustrates the upper and lower stacking fixtures of the cabins according to the embodiment;

FIG. 25 is an exploded view of the fixed structure of the nacelle stacked up and down according to the embodiment;

fig. 26 is a schematic structural diagram of a corridor integration module according to an embodiment;

fig. 27 is a top view of a stair environmental integrated module, according to an embodiment.

Reference numerals:

10-prefabricated cabin section, 11-corridor;

20-transformer part, 21-transformer equipment, 22-transformer cabin;

100-cabin body, 110-base, 120-top beam, 130-supporting frame barrel structure, 131-supporting frame wall, 132-connecting beam, 1321-first connecting beam, 1322-second connecting beam, 133-corner supporting plate, 141-bus channel, 142-wiring groove, 143-pressure relief channel, 150-cable support, 151-fixing hole, 161-first side sealing plate, 162-second side sealing plate, 1621-opening, 170-door body, 180-detachable sealing plate, 181-first detachable sealing plate, 182-second detachable sealing plate and 190-lifting ring;

200-an electrical device;

300-a positioning structure, 310-a positioning part, 311-a substrate, 312-a connecting part, 313-a positioning column, 314-a first connecting hole, 320-a guide part, 321-a guide hole, 322-a second connecting hole and 330-a bolt;

410-slide rail, 420-plastic wing nut;

500-a hoisting part;

600-partition structure, 610-split escape door partition, 611-first door frame, 612-split door, 620-bidirectional single-opening door closer door partition, 621-second door frame, 622-bidirectional single-opening door closer door, 630-support partition, 631-support frame;

700-fixing structure, 710-first fixing beam, 720-second fixing beam, 721-arc bending part, 730-anti-rotation fixing part, 731-anti-rotation part, 7311-first abutting wall, 7312-second abutting wall, 732-nut, 740-fastener, 750-gasket;

800-corridor integrated module, 810-floor, 820-ceiling, 830-air duct, 831-air outlet and 840-bus bridge;

900-stair environment control integrated module, 910-environment control room, 911-air conditioning equipment, 920-stair room, 921-stair;

r-unit module, R1-electrical equipment module, R2-corridor module;

m1 — first module;

m2 — second module;

k1-lower module;

k2 — upper module;

w1-cabinet depth direction; W2-Cabinet Wide Direction;

H-the boundary between the upper module and the lower module.

S-a segmentation line between modules in the same layer of prefabricated cabin.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Transformer substation, transformer part

The present embodiment discloses an external transformer substation, which includes a transformer section 20 and a prefabricated cabin section 10, with reference to fig. 1 and 2. The transformer part 20 is arranged outside the prefabricated cabin part 10, and a certain distance is reserved between the transformer part and the prefabricated cabin part, so that maintenance and inspection of equipment are facilitated.

The transformer section 20 of fig. 1 comprises only a transformer device 21; in fig. 2, the transformer section 20 includes a transformer apparatus 21 and a transformer housing 22, and the transformer apparatus 21 is disposed in the transformer housing 22.

The transformer cabin 22 is a box-shaped structure with an open bottom, a hoisting part is arranged at the top of the transformer cabin 22, a top hoisting mode is adopted, and the bottom of the transformer cabin 22 is fixed with a foundation connecting piece (not shown) through a positioning structure (marked as a first positioning structure). The specific structure of the first positioning structure will be described in detail below.

Prefabricated cabin part)

The prefabricated cabin part is a modularized prefabricated cabin which can be a layer, and is shown in figure 3; multiple layers are also possible, as shown in fig. 4 and 5, and fig. 4 and 5 show two different types of three-layer layouts.

Each layer of prefabricated cabin is formed by splicing a plurality of electrical equipment modules and a plurality of auxiliary function modules which are divided according to functions in the horizontal direction.

Each electrical equipment module and each auxiliary function module are prefabricated and wired in a factory and are used as independent transportation and installation units.

And each electrical equipment module and each auxiliary function module are installed in a top hoisting mode.

The electrical equipment module is a core module of the prefabricated cabin, which integrates main electrical equipment of the substation, such as high-voltage equipment, medium-voltage equipment, low-voltage equipment, secondary equipment, a bus bridge and the like.

The electrical equipment modules may be high voltage equipment modules, medium voltage equipment modules, low voltage equipment modules, secondary equipment modules, and the like.

The auxiliary functional module is a non-core module of a prefabricated cabin, which integrates auxiliary equipment and functions of a substation, such as corridors, stairs, lighting, air conditioners, air ducts, floors, wallboards, suspended ceilings and the like.

The auxiliary function module can be a corridor module, a stair module, an environment control module and the like.

The electrical equipment module and the auxiliary function module can be combined and arranged at will according to the requirements of users.

The electrical equipment module and the auxiliary function module are divided into modules according to functions.

One form of electrical equipment module in this application only includes electrical equipment, and does not include auxiliary function modules such as other corridors, and another type includes electrical equipment and corridor module, and its common characteristics are that electrical equipment height integration is internal at same module cabin, accomplishes prefabrication and wiring in the mill, utilizes the inside sound production quality inspection mechanism of mill effectual assurance product quality, and it is big to avoid needing customer's on-the-spot wiring work load among the prior art, and the difficult technological problem of control is difficult for the wiring quality.

Similarly, the auxiliary function module can highly integrate the structure for realizing the auxiliary function in the same module cabin body, and the prefabrication and wiring are completed in a factory.

The arrangement of the electrical equipment core module and the auxiliary function non-core module can bring the following beneficial effects:

the traditional prefabricated cabin is divided into a plurality of modules in a shape like a Chinese character mu, one layout mode of a single-layer prefabricated cabin shown in fig. 9 is taken as an example for dividing the prefabricated cabin into a plurality of Chinese character mu, each unit module R comprises electrical equipment 200 and a corridor 11 except that the unit module R close to the side only comprises the corridor 11, and the electric equipment is positioned in different sectional modules by the aid of the Chinese character mu dividing mode, so that primary and secondary connection among the equipment can be completed only after the equipment is spliced with a cabin body on the site, and the prefabricated cabin is large in field workload, low in equipment integration level and difficult to control due to quality problems.

In the present application, a brand-new form of dividing the electric equipment into functional modules is adopted, referring to fig. 7, each line of corridor 11 is divided into independent corridor modules R2, each line of electric equipment 200 is divided into independent electric equipment modules R1, so that the electric equipment 200 is highly integrated in the same electric equipment module R1, the production and assembly of each electric equipment module R1 and each corridor module R2 are completed in a factory, and then the unit modules are transported to a customer site for splicing by using the unit modules as transportation units, thereby greatly reducing the workload of the customer site and improving the site assembly efficiency.

Fig. 7 shows only one specific layout manner of the prefabricated cabin containing the electrical equipment 200 and the corridor 11, and in practical application, electrical equipment modules with different functions (such as a high-voltage electrical equipment module, a medium-voltage electrical equipment module, a low-voltage electrical equipment module, and the like) and auxiliary function modules (such as a corridor module, a stair module, an environmental control module, and the like) can be combined at will according to customer requirements, so that the effects of optimal segmentation, optimal factory prefabrication, optimal transportation cost, and optimal field construction are achieved.

The interface between each module is standardized, and the module size is standardized and modularized, so that each module has strong interchangeability and feasibility of factory prefabrication.

The size of each electrical equipment module and each auxiliary function module is standard modulus size, and through the setting of standard modulus size, the module can satisfy the increase of transformer substation equipment dilatation and operation and maintenance space through the increase of module quantity convenient and fast ground, has reduced the kind of module simultaneously.

The standard module size = the minimum size in each electrical equipment module and each auxiliary function module plus the integral multiple of the reference module size, the reference module size is a preset fixed value, and the reference module is obtained by calculation according to the actual sizes of the prefabricated cabin and the transformer substation.

The introduction of the standard modulus and the reference modulus leads the appearance of the cabin body to be unified to the maximum extent, thereby realizing the prefabricated production of the module.

In some embodiments of the application, the top of each electrical equipment module and each auxiliary function module is provided with a plurality of symmetrically arranged hoisting parts, so that the top hoisting installation mode of each module is realized.

The top hoisting mode is matched, the bottom of each module is provided with the positioning structure 700, the rapid positioning splicing of each module piece is realized, and the field installation efficiency and reliability are improved. The specific structure of the positioning structure 700 will be described in detail below.

In some embodiments of the present application, each module (electrical equipment module and auxiliary function module) includes a cabin 100, the cabin 100 is a cabin frame formed by a base 110 and a top beam 120, and different types and structures of support structures are disposed between the base 110 and the top beam 120 according to different requirements of the modules.

Electrical equipment core module, supporting frame barrel structure

Regarding the specific structure of the electrical equipment module, in some embodiments of the present application, referring to fig. 8, the electrical equipment module includes a cabin 100 and electrical equipment 200 disposed in the cabin 100.

The cabin 100 is a frame structure formed by welding and assembling sectional materials and/or plates, a vertical supporting frame tube structure 130 is arranged in the cabin 100, and at least one of a bus duct 141, a cable duct 142 and a pressure relief duct 143 is arranged in an inner space surrounded by the supporting frame tube structure 130.

The electrical equipment module formed by the cabin 100 and the electrical equipment 200 is transported to a customer site as an independent transportation unit, and is spliced with other electrical equipment modules or auxiliary function modules.

The supporting frame tube structure 130 not only has the function of improving the overall structural strength of the cabin 100, but also integrates the functions of wiring and pressure relief, thereby being beneficial to improving the structural compactness inside the cabin 100 and further reducing the floor area of the cabin.

The bus duct 141, the cable duct 142, and the pressure relief duct 143 are appropriately selected and arranged according to the type of the electrical equipment 200 installed in the cabin 100. For example, the pressure relief passageway 143 may only be configured when a medium pressure device is installed within the enclosure 100.

It should be noted that the entire interior space enclosed by the support frame-and-tube structure 130 can be considered as a cable channel.

When the prefabricated cabin is in a multilayer layout, the mounting spaces on the upper and lower layers of supporting frame tube structures 130 are communicated, so that the wiring of the electrical equipment between the upper and lower layers of cabin bodies is facilitated, the assembly of the modular prefabricated cabin is facilitated, and the production assembly efficiency is improved.

According to the length of the nacelle 100, a plurality of the support frame-tube structures 130 may be arranged along the length direction of the nacelle 100 to satisfy the strength support requirement. In the structure shown in fig. 8, three support frame tube structures 130 are provided, and the electric device 200 is provided between two adjacent support frame tube structures 130.

With respect to the specific structure of the nacelle 100, in some embodiments of the present application, referring to fig. 8, the supporting frame-tube structure 130 is connected between the base 110 and the top beam 120 of the nacelle, and the electrical equipment 200 is slidably disposed on the base 110.

Taking a medium-low voltage electrical device as an example, referring to fig. 7, a dimension W1 of the electrical device 200 in the cabinet depth direction is generally fixed, while a cabinet width dimension W2 of the electrical device 200 is changed, and the electrical device 200 can slide in the cabinet width W2 direction to realize position adjustment of each electrical device 200, so as to facilitate installation.

For the specific structure of the sliding installation of the electrical device, in some embodiments of the present application, referring to fig. 11, the base 110 is provided with the sliding rail 410, the sliding rail 410 extends along the cabinet width W2 direction of the electrical device, the bottom of the cabinet body of the electrical device 200 is slidably disposed in the sliding rail 410 through the plastic wing nut 420, and the sliding adjustment of the electrical device 200 is realized through the sliding of the plastic wing nut 420 along the sliding rail 410.

The integrated furred ceiling fitment of back timber 120 (not shown), the furred ceiling fitment contains installation roof beam and furred ceiling decorative board, and the installation roof beam is fixed to the frame of back timber 120, and the furred ceiling decorative board adopts the modular design, assembles earlier and becomes the piece afterwards and on the integral mounting roof beam to wholly integrate and form the furred ceiling fitment on back timber 120.

As to the specific structure of the supporting frame tube structure 130, in some embodiments of the present application, the supporting frame tube structure 130 and the base 110 may be fixedly connected, and at this time, the bottom of the supporting frame tube structure 130 is fixedly connected to the base 110 through a bolt.

The supporting frame tube structure 130 and the base 110 may be slidably connected (the connection mode is not shown), in this case, a sliding groove is formed on the base 110, and the bottom of the supporting frame tube structure 130 may be slidably disposed in the sliding groove through a wing-shaped nut.

The sliding connection facilitates adjustment of the position of the support frame tube structure 130 to match different sizes of electrical equipment.

Generally, the supporting frame tube structures 130 disposed at the two ends of the electrical equipment module are generally fixedly connected, and the supporting frame tube structure 130 disposed in the middle can be slidably connected.

In some embodiments of the present application, referring to fig. 9 and 10, the supporting frame structure 130 includes two opposite supporting wall frame bodies 131, and each of the supporting wall frame bodies 131 is welded or assembled by metal profiles. A connection beam 132 is provided between the two support wall frames 131. The bottom of the supporting frame wall 131 is connected with the base 110, and the top of the supporting frame wall 131 is connected with the top beam 120.

The bus duct 141, the cable duct 142 and the pressure relief duct 143 are all fixed inside the support wall frame body 131.

Further, the coupling beam 132 includes a first coupling beam 1321 and a second coupling beam 1322, the first coupling beam 1321 is disposed at the top corner position of the two support wall frame bodies 131, and is of an L-shaped structure, and both the top and the side of the support wall frame body 131 are connected and fixed, and a plurality of second coupling beams 1322 are disposed between the two first coupling beams 1321.

The first connecting beam 1321 and the second connecting beam 1322 are formed by bending metal plates or welding profiles, and are fixed to the support wall frame body 131 by bolts or welding.

Furthermore, an angled support plate 133 is welded between the transverse beam and the vertical beam forming the support wall frame body 131, thereby further improving the structural strength.

Further, the top of the support wall frame body 131 is provided with a plurality of and symmetrically distributed hoisting rings 190, so that the top hoisting is performed through a hoisting tool, and the installation is facilitated.

Further, a first side sealing plate 161 is disposed on an outer side of the supporting frame wall 131 to shield an inner installation space of the supporting frame tube structure 130.

The first side sealing plate 161 is formed by spraying paint or plastic on a metal plate, and is fixed on the outer side of the support wall frame body 131 by bolts or welding.

Further, a detachable sealing plate 180 is arranged on the first side sealing plate 161, and the detachable sealing plate 180 is used for sealing off the bus duct 141 and the pressure relief duct 143. Defining a first removable cover plate 181 opposite the busway 141 and a second removable cover plate 182 opposite the pressure relief passageway 143.

The removable seal plate 180 is also made of metal sheet or plastic spray and is mounted to the support wall frame 131 by bolts.

When the electrical equipment module does not need bus wiring, the bus passage 141 is blocked by the first detachable sealing plate 181; when the cabin 100 needs bus wiring, the first detachable sealing plate 181 is removed.

When the electrical equipment module does not need to be decompressed, the pressure relief channel 143 is blocked by the second detachable sealing plate 182; when the cabin 100 needs to be vented, the second removable sealing plate 182 is removed.

Further, the side portions of the two support wall frame bodies 131 are provided with a second side sealing plate 162 and a door body 170 which are arranged up and down.

The second side sealing plate 162 is formed by spraying paint or plastic on a metal plate, and is fixed to the support wall frame body 131 by bolts or welding for connecting the two support wall frame bodies 131.

The second side sealing plate 162 is provided with an opening 1621 communicated with the pressure relief channel 143 to relieve pressure.

The door 170 may be a single door or a double door, which is convenient for an operator to enter the supporting frame tube structure 130 for line maintenance.

Further, a plurality of cable holders 150 are disposed at the inner side of the support wall frame body 131, and fixing holes 151 for fixing cables are disposed on the cable holders 150.

The cable holder 150 is formed by welding metal profiles or hot plates, and flanges (not shown) are welded to end sides of the profiles and are fixed to the support wall frame body 131 by bolts or welding.

The number and the installation position of the cable holders 150 can be specifically set according to the wiring requirement.

Further, the inner side of the support wall frame body 131 is provided with a wiring groove 142, the wiring groove 142 is formed by bending a metal plate, the surface of the wiring groove 142 can be processed by spraying paint or spraying plastic, the wiring groove comprises a wiring groove body and a wiring groove cover plate, the wiring groove body and the wiring groove cover are fixed through bolts, and the wiring groove 142 can be integrally fixed on the support wall frame body 131 through bolts or welding.

A creeper is designed in the trunking body and used for fixing a secondary cable.

The number and installation positions of the wiring slots 142 can be specifically set according to the wiring requirements.

The cable mount 150 and routing channel 142 are used to route different types of wires.

For the specific structure of the bus duct 141, in some embodiments of the present application, the bus duct 141 is assembled by bending a stainless steel plate, a steel plate, an aluminum plate, or the like to form a bus shroud, and the bus shroud are fixed to the support wall frame 131 by bolts.

Further, an insulator bracket (not shown) is disposed in the bus duct 141 for mounting an insulator for fixing the copper bar.

The bus duct 141 can realize the through connection of the copper bars of the switch cabinet devices on the two sides of the supporting structure, and has an anti-vortex function.

To the concrete structure of pressure relief passageway 143, in some embodiments of this application, pressure relief passageway 143 is formed for the pressure relief bounding wall equipment that the metal panel beating was bent and is formed, through the bolt fastening between pressure relief bounding wall and the pressure relief bounding wall, pressure relief bounding wall and the support wall support body 131.

The pressure relief channel 143 can penetrate the pressure relief channels of the switch cabinet on the two sides of the support frame-tube structure 130 and lead the cabinet body out of the cabin body through the pressure relief channels.

[ auxiliary function non-core Module ]

The auxiliary function module can integrate various functions in the auxiliary function module according to the requirements of users. The application provides two forms of auxiliary function modules.

The first auxiliary function module is a corridor integrated module 800, referring to fig. 26, which includes a base 110 and a top beam 120, a floor 810 is provided on the base 110, a ceiling 820 is provided below the top beam 120, an air duct 830 and/or a bus bridge 840 are provided between the ceiling 820 and the top beam 120, the air duct 830 is communicated with an air outlet 831 through a pipeline to deliver conditioned air to an indoor space.

In the structure shown in fig. 7, the corridor module R2 is a corridor integrated module 800, which is disposed between two electrical equipment modules R1 and at one end of the electrical equipment module R1 to form a corridor space, so as to provide a space for the overhaul and maintenance of the electrical equipment 200.

Of course, in other embodiments, the arrangement position and the arrangement direction of the corridor integration module 800 can be flexibly arranged according to requirements.

More specifically, the corridor integration module 800 may be integrated or separated.

The integrated corridor integrated module is characterized in that a supporting vertical frame is arranged between a base 110 and a top beam 120 of the corridor integrated module, the base 110, the top beam 120, the supporting vertical frame, a suspended ceiling 820, an air duct 830, a bus bar bridge 840 and the like are prefabricated and wired in a factory, and then the integrated corridor integrated module is transported to a customer site as a complete transportation unit and then spliced with other modules, so that the site installation time is greatly shortened, and the site installation efficiency is improved.

The split corridor integrated module means that the base 110 and the top beam 120 of the corridor integrated module are connected without a support stand. In the prefabrication stage of a factory, the floor 810 and the base 110 are assembled to form an independent unit, then the top structures such as the top beam 120, the ceiling 820, the air duct 830, the bus bridge 840 and the like are assembled to form another independent unit, and then the two units are transported in a multi-layer stacking mode, so that the transport vehicle and the transport cost are saved. After the split corridor integrated module reaches the client site, the two independent units are spliced with other peripheral modules in a bolt penetrating mode and the like, and then the field installation of the split corridor integrated module is completed.

The second auxiliary functional module is a stair environment control integrated module 900, referring to fig. 27, which also includes a cabin structure formed by a base, a top beam and a circumferential support frame, and is separated into an environment control room 910 and a stair room 920 by a partition structure 600, an air conditioner 911 is installed in the environment control room 910, and a stair 921 is installed in the stair room 920.

In the prefabrication stage of the module in a factory, the partition structure 600, the air conditioning equipment 911, the stairs 921 and the like are integrated into the cabin body, and then the module is integrally transported to the site and spliced with other modules.

Splicing positioning structure

In some embodiments of the present application, the positioning structure 300 includes a first positioning structure between the transformer cabin 22 and the foundation connection member, and a second positioning structure between the electrical equipment module and the auxiliary function module, wherein the modules are spliced in the horizontal direction by the positioning structure 300, the bottom of each module is provided with the positioning structure 300, and the top of each module is provided with the hoisting part 500.

The hoisting part 500 can be a lifting lug and/or a hoisting ring, and the hoisting points are symmetrically distributed to ensure the balance of each module during hoisting. Meanwhile, an auxiliary hoisting point is innovatively introduced, and the hoisting balance is further improved by adding the auxiliary hoisting point during hoisting.

For the first positioning structure (not shown), in some embodiments of the present application, the first positioning structure includes a first positioning member and a first guide member. The first positioning piece is provided with a first guide column and is arranged on the foundation connecting piece; the first guide part is provided with a first guide hole and is arranged at the bottom of the transformer cabin 22; the first guide posts and the first guide holes are correspondingly inserted, so that the insertion, positioning and fixing between the transformer cabin 22 and the foundation connecting piece are realized.

Similarly, the component in the second positioning structure is positioned by a second positioning part and a second guide part, wherein a second guide post is arranged on the second positioning part, and a second guide hole is arranged on the second guide part.

For the specific structure of the positioning structure 300, in some embodiments of the present application, refer to fig. 12 to 14, wherein the structure shown in fig. 12 may be formed by splicing two electrical equipment modules, splicing the electrical equipment modules with other auxiliary function modules, or splicing the transformer cabin with a foundation connection member. For convenience of description, two modules to be spliced are defined as a first module M1 and a second module M2.

The positioning structure 300 includes a positioning member 310 and a guide member 320. The positioning member 310 is provided with a plurality of guide posts 313, the guide member 320 is provided with guide holes 321, and the guide member 320 is disposed at the bottom of the cabin 100.

During splicing, the positioning member 310 is firstly installed on one of the modules to be spliced (for example, the first module M1), one of the guide posts 313 is inserted into the guide hole 321 of the corresponding module (i.e., the first module M1), and then the guide holes 321 of the other modules to be spliced (i.e., the second module M2) are correspondingly inserted into the other guide posts 313, and the top hoisting is matched, so that the quick splicing of the two adjacent modules can be easily completed.

Specifically, the positioning component 310 includes a base plate 311, a connecting portion 312 and positioning pillars 313, the connecting portion 312 is disposed at a middle position of the base plate 311 in a vertical direction, a first connecting hole 314 is formed on the connecting portion 312 for fixing the whole positioning component 310 at the bottom of the cabin body, a plurality of positioning pillars 313 are perpendicularly disposed on the base plate 311, and the plurality of positioning pillars 313 are respectively located at two sides of the connecting portion 312 for positioning connection between adjacent cabin bodies.

For convenience of processing, the substrate 311, the connection portion 312 and the positioning column 313 are connected by welding, and of course, other assembling forms such as bolt connection may be adopted.

The guide member 320 is a plate-shaped structure and horizontally formed at the bottom of the module cabin, a guide hole 321 is formed on the guide member 320, and in the positioning process, the positioning column 313 penetrates into the corresponding guide hole 321 to realize splicing between adjacent modules.

A second connecting hole 322 is formed on the bottom side wall of the module cabin, in the installation state, the second connecting hole 322 corresponds to the first connecting hole 314, and the bolt 330 passes through the first connecting hole 314 and the second connecting hole 322 for fixing the positioning member 310 on the module cabin.

In the structure shown in fig. 12 to 14, two positioning columns 313 are disposed on the positioning member for splicing two adjacent modules.

If four adjacent modules need to be spliced in a cross shape, four positioning columns 313 need to be arranged on the required positioning element 310, referring to fig. 14, the installation process can refer to the splicing process of two modules, and details are not repeated.

For the splicing of the upper and lower modules, referring to fig. 16, the positioning member 310 is installed at the top of the cabin of the lower module K1, the guide member 320 is installed at the bottom of the cabin of the upper module K2, and the quick splicing of the upper and lower modules is realized through the positioning of the positioning member 310 and the guide member 320.

Upper and lower stacking fixed structure

The upper and lower modules are positioned and fixed by the fixing structure as shown in fig. 23 to 25 when they are stacked.

Specifically, the fixing structure 700 includes a first fixing beam 710, a second fixing beam 720, an anti-rotation fixing portion 730, and a fastener 740.

The first fixing beam 710 is fixedly disposed on the top of the lower module K1, and a plurality of first fixing holes (not labeled) are disposed on the first fixing beam 710 along the length direction thereof.

The second fixing beam 720 is fixedly arranged on the bottom side surface of the upper module K2, and a plurality of second fixing holes (not marked) are arranged on the second fixing beam 720 along the length direction.

The anti-rotation fixing portion 730 includes an anti-rotation piece 731 and a nut 732. The rotation preventing piece 731 is an L-shaped structure having a first abutting wall 7311 abutting against the top surface of the second fixing beam 720 and a second abutting wall 7312 abutting against the side surface of the second fixing beam 720. The nut 732 is provided on the first abutting wall 7311.

During installation, the upper module K2 is placed on the top of the lower module K1 in a rolling mode, the anti-rotation fixing portion 730 is placed at a fixing point position needing to be fixed, and the fastener 740 penetrates through the first fixing hole, the second fixing hole and the nut 732 from bottom to top, so that the upper module K2 and the lower module K1 can be fixed.

The anti-rotation fixing portion 730 is a key component of the fixing structure 700, and does not need to separately design fixing points to ensure the correspondence of upper and lower fixing points, so that the number of the fixing points can be increased or reduced according to actual needs, the problem that upper and lower fixing holes are not correct due to factors such as errors is avoided, and the installation efficiency is improved.

The first fixing holes and the second fixing holes are long round holes or long strip holes, and the spacing distance between every two adjacent first fixing holes and the spacing distance between every two adjacent second fixing holes are all of fixed module sizes, so that the upper fixing holes and the lower fixing holes can be aligned and connected conveniently when the upper module and the lower module are stacked.

The first fixed beam 710 is fixed on the top beam 120 on the lower module K1 by welding or bolts, and the second fixed beam 720 is fixed on the bottom side of the base 110 on the upper module K2 by welding or bolts.

The first fixing beam 710 in this embodiment is an inverted U-shaped structure, and has a high structural strength, and the first fixing hole is opened at the top of the first fixing beam 710.

The second fixing beam 720 in this embodiment is a C-shaped sliding rail, and one side of the C-shaped sliding rail is fixedly connected to the bottom side of the upper module (i.e., the side of the base 110).

When the anti-rotation fixing portion 730 is placed on the second fixing beam 720, the first abutting wall 7311 abuts against the top surface of the C-shaped slide rail, and the second abutting wall 7312 abuts against the other side surface of the C-shaped slide rail, so that the anti-rotation effect is achieved, and the connection reliability is improved.

Further, the bottom of two sides of C type slide rail is equipped with the arc kink 721 to the inboard bending of C type slide rail respectively, and when upper module K2 was put on the top of lower module K1 with the ro of lower module, the bottom and the first fixed beam 710 of arc kink 721 supported and leaned on, and when the upper deck cabin body needed the adjusting position, the arc structure was convenient for along first fixed beam 710 and removed.

The nut 732 is a rivet nut that is riveted to the top of the first abutting wall 7311, integrally with the rotation preventing member 731.

The fastener 740 is a bolt, and a gasket 750 is arranged between the fastener 740 and the first fixing beam 710, so that local stress is reduced, and structural reliability is improved.

Partition structure)

In some embodiments of the present application, each prefabricated cabin is provided with a partition structure 600, and the partition structures 600 can be flexibly arranged as required along the length or width direction of the prefabricated cabin, so as to realize the flexibility of separating the compartments.

The partition structure 600 is slidably disposed, so that the position of the partition structure 600 can be conveniently adjusted.

The partition structure 600 includes door type partitions and/or support type partitions 630.

The door partition plays a role in partitioning compartments, passing through and supporting a certain amount.

The support-type partitions 630 serve to partition the compartments and support them.

The partition structure 600 in the application has multiple types, multiple functions are realized, the multiple types of partitions can be flexibly combined and used in the cabin body as required, meanwhile, the flexibility of the installation position is matched, the universality and the use flexibility of the partition structure 600 can be greatly improved, and the installation efficiency is favorably improved.

For the sliding installation manner of the partition structure 600, in some embodiments of the present application, referring to fig. 22, the sliding rails 410 are respectively disposed on the base 110 and the top beam 120 of the module, the bottom of the partition structure 600 is slidably connected to the sliding rails 410 through the plastic wing nuts 420, and the top of the partition structure 600 is slidably connected to the sliding rails 410 through the plastic wing nuts 420.

The sliding rails 410 are made of C-shaped steel and are welded or bolted at appropriate positions of the base 110 and the top beam 120 according to actual needs.

The bottom and the top of the partition structure 600 are both provided with mounting holes, and the partition structure is mounted on the slide rail 410 through bolts and plastic wing nuts 420. The sliding of the partition structure 600 is realized by the sliding of the wing-shaped nut 420 along the slide rail 410.

After the partition structure 600 slides to a proper position, the side end of the partition structure 600 may be fixed to the slide rail 410 by angle steel and bolts, so as to finally fix the position.

Regarding the specific structure of the door partition, in some embodiments of the present application, referring to fig. 17 and 18, the door partition includes a split escape door partition 610, the split escape door partition 610 includes a first door frame 611, and the first door frame 611 is provided with a split door 612, and further includes auxiliary accessories such as an escape lock, a door shaft, and a lock rod.

The bottom of the first door frame 611 is slidably connected to the base 110, and the top of the first door frame 611 is slidably connected to the top beam 120, so as to achieve the sliding installation of the escape door partition 610.

In the structure shown in fig. 17, the half-split escape door partition 610 has two and is oppositely provided on two side support frames in the module length direction.

In some embodiments of the present application, referring to fig. 17 and 19, the door partition further includes a bidirectional single-opening/closing door partition 620, the bidirectional single-opening/closing door partition 620 includes a second door frame 621, and a bidirectional single-opening/closing door 622 is disposed on the second door frame 621, and further includes auxiliary accessories such as a door closer, a door shaft, and the like.

The bottom of the second door frame 621 is slidably connected with the base 110, and the top of the second door frame 621 is slidably connected with the top beam 120, so that the sliding installation of the bidirectional single-opening door closer door partition 620 is realized.

In the structure shown in fig. 17, a bidirectional single-opening/closing door partition 620 is provided along the width direction of the cabin, and partitions the internal space of the cabin into two compartments, i.e., a left compartment and a right compartment.

For the specific structure of the supporting partition 630, in some embodiments of the present application, the supporting partition 630 is a supporting frame 631 formed by welding and/or assembling a section bar and/or a plate, so as to meet the requirement of supporting strength.

The bottom of the support frame 631 is slidably connected to the base 110, and the top of the support frame 631 is slidably connected to the top beam 120, so as to slidably mount the support frame 631.

The outer side of the support frame 631 may be provided with a fireproof material and a decorative surface to improve fireproof performance and external beauty.

In the structure shown in fig. 20 and 21, the supporting partition 630 is arranged along the length direction of the cabin, and the top of the supporting frame 631 is provided with a hoisting part 500 for hoisting, so as to facilitate the hoisting operation.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An external transformer substation of transformer, its characterized in that includes:

the transformer part is arranged outside the prefabricated cabin part, and a certain distance is reserved between the transformer part and the prefabricated cabin part;

the transformer portion comprises at least a transformer device;

the prefabricated cabin is provided with one or more layers, and each layer of the prefabricated cabin is formed by splicing a plurality of electrical equipment modules and a plurality of auxiliary function modules which are divided according to functions in the horizontal direction.

2. The substation with an external transformer according to claim 1,

the transformer part further comprises a transformer cabin body used for placing the transformer equipment, the transformer cabin body is of a box-shaped structure with an open bottom, a hoisting part is arranged at the top of the transformer cabin body, and the bottom of the transformer cabin body is fixed with the foundation connecting piece through a first positioning structure.

3. The substation with an external transformer according to claim 2,

the first positioning structure comprises a first positioning piece and a first guide piece;

the first positioning piece is provided with a first guide column and is arranged on the foundation connecting piece;

the first guide piece is provided with a first guide hole and is arranged at the bottom of the transformer cabin body;

the first guide post is correspondingly inserted into the first guide hole.

4. The substation with an external transformer according to any one of claims 1 to 3,

the top parts of the electrical equipment module and the auxiliary function module are respectively provided with a hoisting part, and the bottom parts of the electrical equipment module and the auxiliary function module are respectively provided with a second positioning structure;

and splicing is realized between two adjacent electrical equipment modules, between two adjacent auxiliary function modules and between the adjacent electrical equipment modules and the adjacent auxiliary function modules in the horizontal direction through the second positioning structure.

5. The substation with an external transformer according to claim 4,

the second positioning structure comprises a second positioning piece and a second guide piece;

a plurality of second guide posts are arranged on the second positioning piece, second guide holes are formed in the second guide pieces, and the second guide pieces are arranged at the bottoms of the electrical equipment module and the auxiliary function module;

During the concatenation, will the second setting element is installed to one of them and is treated the concatenation the electrical equipment module or on the auxiliary function module, and make one of them the second guide post is worn to locate and is corresponded the electrical equipment module or on the auxiliary function module in the second guide hole, again with all the other ones of treating the concatenation the electrical equipment module or second guide hole on the auxiliary function module is rather than remaining the second guide post corresponds the grafting.

6. The substation with an external transformer according to claim 4,

the electrical equipment module includes:

the electric equipment cabin body is internally provided with a supporting frame cylinder structure, and at least one of a bus channel, a cable channel and a pressure relief channel is arranged in an internal space surrounded by the supporting frame cylinder structure;

and the electrical equipment is arranged in the electrical equipment cabin body.

7. The substation with an external transformer according to claim 4,

the auxiliary function module comprises a corridor integrated module, the bottom of the corridor integrated module is provided with a floor, the top of the corridor integrated module is provided with a suspended ceiling, and an air duct and/or a bus bridge are/is arranged in the space between the suspended ceiling and the top beam of the corridor integrated module.

8. The substation with an external transformer according to claim 4,

the auxiliary function module further comprises a stair environment control integrated module, the interior of the stair environment control integrated module is separated into an environment control room and a stair room through a partition structure, air conditioning equipment is arranged in the environment control room, and stairs are arranged in the stair room.

9. The substation with an external transformer according to claim 4,

the size of each electrical equipment module and each auxiliary function module is standard module size;

the standard module size = a minimum size of each of the electrical equipment modules and the auxiliary function module + an integral multiple of a reference module size, and the reference module size is a preset fixed value.

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