CN207234261U - Minimize preassembled transformer station - Google Patents

Abstract

The utility model discloses one kind to minimize preassembled transformer station, including high-tension switch gear, power transformer（2）, low voltage switch equipment, outer casing and base（3）, generally isosceles triangle arrangement, high-tension switch gear be installed on power transformer（2）On, low voltage switch equipment is installed on power transformer（2）And the side of high-tension switch gear, high-tension switch gear, power transformer（2）, low voltage switch equipment be mounted as a whole on base（3）On, base（3）Pin-connected frame shell（4）；High-tension switch gear is using miniaturization outdoor ring network case（1）.The looped network type miniaturization preassembled transformer station of the utility model, solve existing preassembled transformer station take up a large area, long construction period, the problems such as wasting of resources, really realize that the standardized designs, full prefabrication, modularization of box-type substation choose to install, simplify simultaneously Unified Device pattern and construction technology, the construction efficiency of substation is greatly promoted, meets that adaptation to local conditions carries out the needs of intelligent distribution area construction.

Description

Minimize preassembled transformer station

Technical field

It the utility model is related to intelligent grid power transformation, distribution technique field, and in particular to one kind miniaturization prepackage type power transformation Stand.

Background technology

In recent years, with the expansion of socio-economic development and electric system scale, country continues to increase power distribution network equipment water Flat input, promotes equipment lifting and scientific and technical innovation.According to《" 13 " industry development instruction-High-voltage Switchgear Industry, absolutely Edge arrester industry, power capacitor industry》Disclose, in middle pressure field, research and development of products follows miniaturization, integrated, intelligent Change, is highly reliable, few（Exempt from）Safeguard and environmental-friendly principle, using the core devices and new technology of high technology content, new process, New material is developed, and achieves gratifying results.On the basis of constantly improve and raising existing product technology water product, successfully grind Send out novel switched component and middle pressure C-GIS gas-filling cabinets, the solids such as composite insulating vacuum breaker, pole vacuum circuit breaker The complete sets of products such as insulated switch cabinet and various Novel premounting transformer stations.

In the construction of Modern power distribution net, 10kV box-type substations are the important steps that user oriented is directly powered, its is main It is first by high-tension switch gear, power transformer, low voltage switch equipment, electric energy measuring equipment, reactive-load compensation equipment and connecting piece etc. The complete set of distribution of part composition, these elements are prefabricated in factory and are assembled in one or several babinets, for from 10kV System conveys electric energy to 0.4kV systems.Box-type substation, mainly has Europe to become and becomes with beautiful.Europe becomes since ordinary tap is installed in inside Cabinet and transformer, small product size is larger, and investment is also larger, under the conditions of limited space, it is impossible to which adaptation to local conditions realizes distribution construction Demand.U.S., which becomes to simplify on-load switch, loop networks switch and fuse structure, is put into oil tank of transformer leaching in the oil, though volume is opposite It is small, but without motor drive mechanism, distributing automation apparatus can not be added, its heavy wool formula on-load switch does not meet the nothing of national Medium voltage switch or circuit breaker Oiling policy.In addition, looped network scheme is not present in beautiful become, it is impossible to which fusion is in ring network power supply system very well；It is actual to build in application There are the unshielded column phenomenon of equipment surrounding, it is impossible to eliminates external force and destroys and personal electric shock hidden danger.It is above-mentioned that there are a series of technologies to ask Topic not yet solves, and the lifting of power supply supportability and Urbanization Construction to power distribution network cause more serious influence.

In the prior art, the Chinese invention patent of Publication No. CN104917086A discloses a kind of using miniaturization mould The outdoor preassembled transformer station of blockization design, including civil engineering part and electric part；Civil engineering part mostly uses prefabricated product, Wherein container and the strip footing shipped in advance, the basis of transformer needs in-situ precast；Electric part is adopted in addition to transformer With container-type or prefabricated cabin formula module, incoming line module uses box type gas insulating provision for sealing (GIS) module, whole GIS moulds Block is installed in container or prefabricated cabin, and inlet wire uses cable mode, passes through oil-gas casing or frame between transformer and GIS modules Hollow wire connects；The field basic of civil engineering part is prefabricated to be opened parallel with scheduling and planning work in the factory of each function module of electric part Exhibition.The technical solution builds substation using modular construction prefabrication and assembly construction, breaches traditional substation's Constructing ideas, but Need scene to carry out the work, take up a large area, it is complex the program such as to install, debug.

And the Chinese utility model patent of Publication No. CN202737363U provides a kind of safeguard construction miniaturization in advance Zhuan Shi substations, it includes a babinet, hyperbaric chamber, transformer room and the low-pressure chamber separated is set in babinet, is set in hyperbaric chamber Ring main unit is equipped with, transformer is provided with transformer room, low-voltage cabinet is provided with low-pressure chamber；Installed along on the inside of locular wall transformer room Have a gravity assisted heat pipe, working fluid be housed in gravity assisted heat pipe, gravity assisted heat pipe it is closed at both ends, inside is in vacuum.The technical solution Ventilation and heat problem, but product design unreasonable structure are taken into full account, gravity assisted heat pipe on the inside of transformer locular wall with being welded on one Rise, have security risk, maintenance is not easy.

Become in addition, the Chinese invention patent of Publication No. CN106532534A discloses a kind of cities and towns miniaturization prepackage type Power station, including high-tension switch cabinet, distribution transformer and comprehensive intelligent distribution box, high-tension switch cabinet are installed on distribution transformer； Comprehensive intelligent distribution box is located at the side of distribution transformer and high-tension switch cabinet；Comprehensive intelligent distribution box is integral type babinet knot Structure, is structure as a whole with distribution transformer by the way that bolt is detachably connected.Although the technical solution carries out high-tension switch cabinet Sealing, insulation, shielding design are safe for operation with equipment to guarantee personal safety, and low-pressure side is completed by comprehensive intelligent distribution box The comprehensive function such as distribution and protection improves power supply reliability and power quality；The power distribution automation equipment and Intellisense of apolegamy are whole End is, it can be achieved that the intelligent management and repair based on condition of component of substation, but design structure still needs to improve, with adapt to current Urban Net Construction and Transformation demand.

Utility model content

For above-mentioned technological deficiency existing in the prior art, it is pre- that the utility model provides a kind of miniaturization of looped network type The problems such as Zhuan Shi substations, are taken up a large area, long construction period with solving existing preassembled transformer station, the wasting of resources.It is really real Standardized designs, full prefabrication, the modularization of existing box-type substation choose to install, and simplify simultaneously Unified Device pattern and construction technology, The construction efficiency of substation is greatly promoted, meets that adaptation to local conditions carries out the needs of intelligent distribution area construction.

To achieve these goals, the utility model adopts the following technical solution.

One kind miniaturization preassembled transformer station, including high-tension switch gear, power transformer, low voltage switch equipment, outer cover Shell and base；Miniaturization preassembled transformer station generally isosceles triangle arrangement, the high-tension switch gear is installed on electricity Above power transformer, the low voltage switch equipment is installed on the side of power transformer and high-tension switch gear, and the height presses off Equipment, power transformer, low voltage switch equipment integral installation are closed on base, pin-connected frame shell on the base；The height Voltage switching station is using miniaturization outdoor ring network case.

Preferably, the miniaturization preassembled transformer station needs to be divided into two kinds of left inlet wire and right inlet wire according to actual construction Scheme.

In any of the above-described technical solution preferably, the miniaturization preassembled transformer station is divided into according to inlet-outlet line way One In and Two Out and one into three goes out.

In any of the above-described technical solution preferably, the miniaturization outdoor ring network case is compact design structure, into （Feedback）Line uses gas insulated load switch cabinet, and transformer module uses SF6 gas insulated load switchs and fuse combined cabinet, Realize inverse-time overcurrent protection.

In any of the above-described technical solution preferably, the babinet of the miniaturization outdoor ring network case uses laser welding, Degree of protection reaches IP67.

In any of the above-described technical solution preferably, a mould is added on the main panel of the miniaturization outdoor ring network case Intend line, contribute to transparency glass plate on the operating mechanism mask by operating mechanism room intuitively to observe on high-tension side division situation.

In any of the above-described technical solution preferably, the babinet of the miniaturization outdoor ring network case uses common box type gas tank Sealing, sulfur hexafluoride gas-insulating, surface full-shield technology, fully guarantee personal safety safe for operation with equipment.

In any of the above-described technical solution preferably, the inlet-outlet line of the miniaturization outdoor ring network case is gone out using a left side after Or the right side goes out mode after, combined electrical apparatus cabinet outlet method goes out mode after using, passes through cable connection to transformer high-voltage bushing.

In any of the above-described technical solution preferably, the miniaturization outdoor ring network case includes three-stations load switch, Three-stations load switch incorporates the function of on-load switch and earthing switch, forms outdoor three-station structure, will close a floodgate and Energy storage is combined into one, and on-load switch is synchronously completed energy storage while completing and closing a floodgate.

In any of the above-described technical solution preferably, the miniaturization outdoor ring network case includes on-load switch fuse group Attach together and put, on-load switch fuse combination unit includes on-load switch, fuse room, arrester room.

In any of the above-described technical solution preferably, the fuse room is located at the front side of the gas chamber of on-load switch.

In any of the above-described technical solution preferably, the fuse room uses firing pin type fuse, when a phase occurs During fusing, storehouse connecting rod is melted in the striker drive of fuse and travel switch makes on-load switch three-phase while separating brake avoids phase-deficient operation.

In any of the above-described technical solution preferably, the arrester room is located at the lower part of fuse room.

In any of the above-described technical solution preferably, the arrester room uses front inserting AC gapless oxide elbow Type arrester, realizes hot plugging, and protection distribution transformer is avoided by Lightning Over-voltage and the damage of system operatio overvoltage.

In any of the above-described technical solution preferably, the miniaturization outdoor ring network case installation as needed includes electronic The configuration equipment of mechanism, power distribution network control terminal unit, to adapt to distribution network automated requirement and raising distribution reliability requirement, Possess three distant functions, realize a distant place to major component operating status and fault monitoring, long distance meter reading, remote operation.

In any of the above-described technical solution preferably, the power transformer is become using two level efficiency energy-saving oil immersed Depressor.

In any of the above-described technical solution preferably, the general frame of the power transformer is steel construction, is adopted on four sides Welded with 6mm thickness whole plate.

In any of the above-described technical solution preferably, the power transformer, its high pressure entrance bushing go out after using, its Transformer low voltage casing pipe is gone out using side.

In any of the above-described technical solution preferably, high pressure entrance bushing, the transformer low voltage of the power transformer The high pressure inlet-outlet line of casing and miniaturization outdoor ring network case all designs for nuclear interface standardizing, to realize that high and low pressure side modularization is selected Dress, normalisation coefft are high.

In any of the above-described technical solution preferably, four screw rods of case lid upper weld of the power transformer pass through Miniaturization outdoor ring network lower box part, which is kept a foothold, is fastened as a whole the two.

In any of the above-described technical solution preferably, the low voltage switch equipment uses comprehensive intelligent distribution box pattern.

In any of the above-described technical solution preferably, the low voltage switch equipment is installed on power transformer and miniaturization Outdoor ring network case side, is matched somebody with somebody power transformer and comprehensive intelligent by transformer bottom channel steel, connecting rib and rain-proof case Electronic box is fastened as a whole.

In any of the above-described technical solution preferably, it is pasted with ethylene propylene diene rubber at the rain-proof case abutted flange Sealing strip.

In any of the above-described technical solution preferably, the low voltage switch equipment, its low-pressure side inlet wire passes through rain cover Shell enters comprehensive intelligent distribution box, its low-pressure side inlet wire is flexible coupling the low-tension bushing of power transformer and comprehensive intelligence using copper Can the connection of distribution box horizontal busbar.

In any of the above-described technical solution preferably, the babinet of the comprehensive intelligent distribution box uses cabinet type external form, whole Body is reinforced using C-type steel, and upper tank is evenly distributed with heat emission hole along inner side, and side is provided with shutter.

In any of the above-described technical solution preferably, the babinet of the comprehensive intelligent distribution box uses stainless steel, Surface carries out plastic-spraying processing.

In any of the above-described technical solution preferably, the babinet of the comprehensive intelligent distribution box can also use fiber reinforcement Type unsaturated polyester resin material SMC.

In any of the above-described technical solution preferably, the comprehensive intelligent distribution box uses function modoularization structure, point For feeder line room, reactive-load compensation room, measuring room, control room.

In any of the above-described technical solution preferably, the feeder line room design is in comprehensive intelligent distribution lower box part.

In any of the above-described technical solution preferably, the reactive-load compensation room design is in comprehensive intelligent distribution upper box part.

In any of the above-described technical solution preferably, the reactive-load compensation room includes compensation system, the compensation system Adjusted using intelligence and mend capacitor.

In any of the above-described technical solution preferably, the measuring room is equipped with electric energy meter, concentrator according to actual needs And special transformer acquisition terminal.

In any of the above-described technical solution preferably, after being provided with the outlet casing tube of the miniaturization outdoor ring network case Case, the rear casing use splicing structure according to outlet scheme.

In any of the above-described technical solution preferably, the frame of the miniaturization preassembled transformer station uses aluminium alloy type Material.

In any of the above-described technical solution preferably, the frame of the miniaturization preassembled transformer station for prefabrication or Assembling.

In any of the above-described technical solution preferably, the door-plate and top plate of the frame of the miniaturization preassembled transformer station Handled using stainless steel plus plastic-spraying, hollow out decorative pattern is provided with the door-plate at its four sides.

In any of the above-described technical solution preferably, the hollow out decorative pattern on the door-plate at the four sides and color effects use Personalized customization.

In any of the above-described technical solution preferably, it is described miniaturization preassembled transformer station frame be arranged to two sides or The four sides medium space of a whole page, two sides or the four sides medium space of a whole page make media method combination variation.

In any of the above-described technical solution preferably, the medium space of a whole page is using LED display screens, liquid crystal display, wide Accuse any one mode in cloth or combination carries out content issue.

The miniaturization preassembled transformer station of the utility model is looped network type miniaturization preassembled transformer station, is to meet city Net is built and transformation needs and develops design.The looped network type of the utility model minimizes preassembled transformer station mainly by high-voltage switch gear Equipment, power transformer, low voltage switch equipment, outer casing and it is coupled the composition such as annex, possesses that technique is advanced, handsome in appearance, fortune The advantages that tieing up easy, compact-sized, conveniently moving, small floor space.The looped network type miniaturization prepackage type power transformation of the utility model Entirety of standing arranges that high-tension switch gear is installed on above power transformer using three-dimensional triangle disposition, low voltage switch equipment installation In the side of transformer and high-tension switch gear, equipment integral installation is on base, pin-connected frame shell on base, according to reality Left inlet wire and right inlet wire two schemes can be divided into by building needs, and can be divided into One In and Two Out and one into three according to inlet-outlet line way goes out, Can solve existing preassembled transformer station take up a large area, long construction period, the problems such as the wasting of resources, really realize box type transformation Standardized designs, full prefabrication, the modularization stood choose to install, and simplify simultaneously Unified Device pattern and construction technology, greatly promote change The construction efficiency in power station, meets that adaptation to local conditions carries out the needs of intelligent distribution area construction.

Compared with prior art, the above-mentioned technical proposal of the utility model has the advantages that：

1st, the miniaturization preassembled transformer station described in technical solutions of the utility model, global design are tied using integration assembling Structure, floor space reduce significantly, are only 2.9 square metres, than State Grid Corporation of China's distribution network engineering modular design -10kV power distribution stations Room fascicle design Sino-U.S. becomes 3.7 square metres of scheme and has saved 20%, and becoming 8.4 square metres of scheme than Europe has saved 65%.

2nd, the miniaturization preassembled transformer station described in technical solutions of the utility model, can using modularized design and assembly To simplify installation procedure, reduce construction period and construction cost, realize primary equipment nuclear interface standardizing, the means of production repeat Utilization rate is high.

3rd, the miniaturization preassembled transformer station described in technical solutions of the utility model, integral device shape rule, volume are tight Gather, can modularization choose to install, dismounting is flexible, and hoisting transportation is convenient.

4th, the miniaturization preassembled transformer station described in technical solutions of the utility model, the letter of standardized designs foundation structure Single, difficulty of construction is low, and floor space is small, saves material, Municipal Underground Piping is influenced it is small, construction work can pre-production, keep away Exempt from engineering downtime.

5th, the miniaturization preassembled transformer station described in technical solutions of the utility model, it is difficult, safe to solve intensive buying With interchangeability it is poor the problems such as；From later stage operation management, dilatation angularly is facilitated, indoor design uses structure function modularization Scheme, opens the one-stop new construction model of " a demand complete fulfillment ".

6th, the miniaturization preassembled transformer station described in technical solutions of the utility model, miniaturization outdoor ring network case operation machine An artificial line is added on structure panel, helps intuitively to observe on high-tension side switch division situation, checking experiment, electriferous state Determine, improve O＆M security reliability.

7th, the miniaturization preassembled transformer station described in technical solutions of the utility model, the identical all components of structure used With element on mechanically and electrically, using market conventional products, meet interchangeability requirement, normalisation coefft is high.

8th, the miniaturization preassembled transformer station described in technical solutions of the utility model, low-voltage comprehensive distribution box increase blinds Window and heat emission hole, shell door-plate use engraved structure, improve radiating efficiency, and can reach good by natural wind cooling dissipates Thermal effect, meets temperature increase requirement, reduces the energy and material consumption.

9th, the miniaturization preassembled transformer station described in technical solutions of the utility model, low voltage switch equipment use single-side upright Cabinet pattern, integrates the multiple single low-voltage cabinets of function of tradition according to function modoularization requirement, effect of visualization is good, and O＆M operates more Add simplicity.

10th, the miniaturization preassembled transformer station described in technical solutions of the utility model, can require in frame according to user Shell multiaspect apolegamy installation medium display screen, plays advertisement function, and appearance design can also use landscape type, artistic type, work Industry type etc., which reaches, beautifies the environment and the harmonious one effect of surrounding environment.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property Put, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is to minimize prepackage type power transformation according to the left inlet wire looped network type of the miniaturization preassembled transformer station of the utility model The structure diagram for the preferred embodiment stood；

Fig. 2 is to minimize prepackage type power transformation according to the right inlet wire looped network type of the miniaturization preassembled transformer station of the utility model The structure diagram for the preferred embodiment stood；

Fig. 3 is to minimize prepackage type power transformation according to the left inlet wire looped network type of the miniaturization preassembled transformer station of the utility model Another structure diagram for the preferred embodiment stood；

Fig. 4 is to minimize prepackage type power transformation according to the right inlet wire looped network type of the miniaturization preassembled transformer station of the utility model Another structure diagram for the preferred embodiment stood；

Fig. 5 is the looped network type designed with 630kVA rated capacities according to the miniaturization preassembled transformer station of the utility model Minimize the electronic schematic diagram of a preferred embodiment of preassembled transformer station；

Fig. 6 is to minimize preassembled transformer station structure according to the looped network type of the miniaturization preassembled transformer station of the utility model A preferred embodiment side view；

Fig. 7 be according to the miniaturization preassembled transformer station of the utility model miniaturization outdoor ring network box structure it is one preferred The schematic diagram of embodiment；

Fig. 8 be according to the miniaturization preassembled transformer station of the utility model rear casing and rain-proof case structure it is one preferred The schematic diagram of embodiment；

Fig. 9 is the enlarged diagram of connecting rib in Fig. 8；

Figure 10 is the enlarged diagram of rain-proof case in Fig. 8；

Figure 11 is showing according to a preferred embodiment of the frame structure of the miniaturization preassembled transformer station of the utility model It is intended to；

Figure 12 is the preferred embodiment according to the medium panel construction of the miniaturization preassembled transformer station of the utility model Schematic diagram.

Reference numeral：

1st, outdoor ring network case is minimized, 2, power transformer, 3, base, 4, frame shell, 5, comprehensive intelligent distribution box, 6, Reactive-load compensation room, 7, it is copper be flexible coupling, 8, transformer low voltage casing, 9, feeder line room, 10, davit, 11, high pressure entrance bushing, 12, Operating mechanism mask, 13, operating mechanism room, 14, fuse room, 15, arrester room, 16, measuring room, 17, special transformer acquisition terminal, 18th, control room, 19, rear casing, 20, connecting rib, 21, rain-proof case, 22, hollow out decorative pattern, 23, door-plate, 24, frame, 25, pass Matchmaker's space of a whole page.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

In order to solve preassembled transformer station it is existing in theprior art take up a large area, long construction period, the wasting of resources The problems such as, the utility model embodiment proposes a kind of miniaturization preassembled transformer station, it is by high-tension switch gear, power transformer Device, low voltage switch equipment, outer casing, base and connection annex etc. are formed.

Embodiment 1

As shown in Figures 1 to 4, minimizing preassembled transformer station includes high-tension switch gear, power transformer 2, low tension switch Equipment, outer casing and base 3, the miniaturization preassembled transformer station generally isosceles triangle arrangement, high-tension switch gear installation Above power transformer 2, low voltage switch equipment is installed on the side of power transformer 2 and high-tension switch gear, high-voltage switch gear Equipment, power transformer 2, low voltage switch equipment integral installation on the base 3, pin-connected frame shell on base 3.

Miniaturization preassembled transformer station described in the utility model embodiment is a kind of looped network type miniaturization prepackage type power transformation Stand, high-tension switch gear is using miniaturization outdoor ring network case.Looped network type miniaturization prepackage type described in the utility model embodiment Substation belongs to preassembled transformer station one kind, is installed using console mode, is completed by minimizing outdoor ring network case to power transformer The on high-tension side protection of device and isolation, it is comprehensive to complete the distribution of low-pressure side electric energy, metering, compensation and protection etc. by comprehensive intelligent distribution box Function is closed, power supply reliability and power quality is improved, belongs to intelligent grid power transformation, distribution technique field.

Embodiment 2

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, as shown in Figures 1 to 4, it includes height Voltage switching station, power transformer 2, low voltage switch equipment, outer casing and base 3, the miniaturization preassembled transformer station is generally Isosceles triangle arrangement, high-tension switch gear are installed on above power transformer 2, and low voltage switch equipment is installed on power transformer 2 and the side of high-tension switch gear, high-tension switch gear, power transformer 2, low voltage switch equipment integral installation on the base 3, Pin-connected frame shell on base 3, high-tension switch gear is using miniaturization outdoor ring network case 1.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, can need to divide according to actual build For left inlet wire and right inlet wire two schemes, One In and Two Out and one into three can also be divided into according to inlet-outlet line way and is gone out.Need to illustrate , the category of looped network type miniaturization preassembled transformer station scheme includes but not limited to above-mentioned several schemes, now with left inlet wire Exemplified by One In and Two Out looped network type miniaturization preassembled transformer station scheme, with reference to the electrical schematic diagram of figure 5 below and the knot of Fig. 6 to 12 Structure view is illustrated.

For 10kV power grids by substation to customer power supply, the looped network type described in the utility model embodiment minimizes prepackage type Substation is used as modular design using the rated capacity of 630kVA.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, it is overall using three-dimensional triangle disposition cloth Put, i.e., high-tension switch gear is installed on above power transformer, and low voltage switch equipment is installed on transformer and high-voltage switch gear switch The side of equipment, equipment integral installation is on base, pin-connected frame shell on base, and high-tension switch gear is outdoor using miniaturization Looped network case, carries out compact design structure on SF6 loop-network switch cabinet technical foundation is absorbed, into（Feedback）Line is born using gas-insulated Lotus switchgear, transformer module use SF6 gas insulated load switchs and fuse combined cabinet, realize inverse-time overcurrent protection.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, the case of miniaturization outdoor ring network case 1 Body uses laser welding, and babinet is beautiful, and air-tightness is good, and degree of protection reaches IP67, and it is dirty and any to be mountable to moist, more dirt, salt Since air pollution easily triggers the place of pollution flashover without taking special safeguard procedures.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, the master of miniaturization outdoor ring network case 1 An artificial line is added on panel, contributes to transparency glass plate on the operating mechanism mask 12 by operating mechanism room 13 intuitively to see Examine on high-tension side division situation.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, the case of miniaturization outdoor ring network case 1 Body is fully guaranteed personal safety and equipment using the sealing of common box type gas tank, sulfur hexafluoride gas-insulating, surface full-shield technology It is safe for operation.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, miniaturization outdoor ring network case 1 into Outlet is gone out using a left side after or the right side goes out mode after, and combined electrical apparatus cabinet outlet method goes out mode after using, by cable connection extremely Transformer high-voltage bushing.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, miniaturization outdoor ring network case 1 include Three-stations load switch, three-stations load switch incorporate the function of on-load switch and earthing switch, form outdoor three stations and open Structure is closed, will close a floodgate and energy storage is combined into one, on-load switch is synchronously completed energy storage while completing and closing a floodgate, reduces operation step Suddenly, the maloperation of operating personnel is avoided, after fuse failure, on-load switch can link disconnection, avoid phase-deficient operation.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, miniaturization outdoor ring network case 1 include On-load switch fuse combines the unit, and on-load switch fuse combination unit is two kinds of functions of the operation required electric appliance and protection Realized respectively by two kinds of simple, cheap elements, i.e., substantial amounts of load is completed with on-load switch and closes a point operation, and used and fuse Device acts on the short-circuit protection seldom occurred to play, and has not only eliminated the breaker of complex and expensive, but also can meet to be actually needed.It is negative Lotus switch fuse combination unit includes on-load switch, fuse room 14, arrester room 15；Fuse room 14 is located at on-load switch Gas chamber front side；Fuse room 14 uses firing pin type fuse, and when phase fusing occurs, the striker of fuse drives molten storehouse Connecting rod and travel switch make on-load switch three-phase, and separating brake avoids phase-deficient operation at the same time；Arrester room 15 is installed on fuse room 14 Lower part；Arrester room 15 uses front inserting AC gapless oxide elbow-type arrester, can plug, and protects distribution transformer Device is avoided by Lightning Over-voltage and the damage of system operatio overvoltage.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, 1 basis of miniaturization outdoor ring network case Need to install additional and include motor drive mechanism, the configuration equipment of power distribution network control terminal unit, to adapt to distribution network automated requirement and carry High distribution reliability requirement, possesses three distant functions, realizes a distant place to major component operating status and fault monitoring, long distance meter reading, remote Side's operation.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, power transformer 2 use two level energy Energy-saving oil immersed transformer is imitated, its general frame is steel construction, is welded on four sides using 6mm thickness whole plate, and intensity is high, can bear Top minimizes outdoor ring network case load-bearing requirements, is miniaturization preassembled transformer station important component, its high pressure entrance bushing 11 is adopted Go out after, its 8 pipe of transformer low voltage casing is gone out using side, and high pressure entrance bushing 11, transformer low voltage casing 8 and miniaturization are outdoor The high pressure inlet-outlet line of looped network case 1 all designs for nuclear interface standardizing, and to realize that high and low pressure side modularization chooses to install, normalisation coefft is high； Four screw rods of its case lid upper weld are kept a foothold by minimizing 1 lower part of outdoor ring network case and the two are fastened as a whole, convenient for disassembly and assembly.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, low voltage switch equipment is using comprehensive intelligence Can 5 pattern of distribution box.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, low voltage switch equipment are installed on electric power 1 side of transformer 2 and miniaturization outdoor ring network case, by transformer bottom channel steel, connecting rib 20 and rain-proof case 21 by electricity Power transformer 2 and comprehensive intelligent distribution box 5 are fastened as a whole.

Looped network type described in the utility model embodiment minimizes preassembled transformer station, is glued at 21 abutted flange of rain-proof case Post EPT rubber packing bar, there is remarkable uvioresistant, weatherability, heat-resistant aging, lower temperature resistance, water resistance, Good elasticity, electrical insulating property and incompressible deformation performance.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, low voltage switch equipment, its low-pressure side Inlet wire enters comprehensive intelligent distribution box 5 through rain-proof case 21, to avoid the stress damage that rigid region is brought due to installation error Wound, low-pressure side inlet wire are flexible coupling 7 by 5 horizontal busbar of the low-tension bushing of power transformer 2 and comprehensive intelligent distribution box using copper Connection.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, the babinet of comprehensive intelligent distribution box 5 Overall to be reinforced using C-type steel using cabinet type external form, upper tank is evenly distributed with heat emission hole along inner side, and side is provided with shutter.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, the babinet of comprehensive intelligent distribution box 5 It is preferred that using stainless steel, surface carries out plastic-spraying processing.The babinet of comprehensive intelligent distribution box 5 can also use fiber reinforcement type Unsaturated polyester resin material SMC.Surface carries out plastic-spraying processing, can strengthen the anti-corrosion weatherability of babinet, extends life cycle.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, it is comprehensive to make full use of inner space Close intelligent distribution box 5 and use function modoularization structure, be divided into feeder line room 9, reactive-load compensation room 6, measuring room 16, control room 18.Examine Consider outlet install convenient and meet multichannel outlet requirement, feeder line room 9 is designed in 5 lower part of comprehensive intelligent distribution box.Idle benefit Repay room 6 to design on 5 top of comprehensive intelligent distribution box, heat emission hole and shutter can be efficiently used, temperature rise when reducing capacitor work.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, reactive-load compensation room 6 includes compensation and is System, the compensation system are adjusted using intelligence and mend capacitor, have the characteristics that few device, small, small power consumption, temperature rise it is small, it can be achieved that Three-phase compensation, phase splitting compensation, mixed compensation, Interest frequency compensation and automatic cycle switching function.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, measuring room 16 are matched somebody with somebody according to actual needs Standby electric energy meter, concentrator and special transformer acquisition terminal 17 are realized to acquiring electric energy information, equipment condition monitoring and control output etc. Comprehensive function.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, 5 bottom of comprehensive intelligent distribution box is set Put davit 10.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, 1 outlet of miniaturization outdoor ring network case Rear casing 19 is installed, dust-proof, waterproof, prevent maintenance personal from contacting high-tension cable at casing.Rear casing 19 is according to outlet scheme , only need to be by corresponding on-load switch separating brake when reserved line outlet ring goes out using splicing structure, rear casing wiring of dismantling, does not influence Transformer circuit works, it can be achieved that single loop not power failure operation.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, minimizes the frame of preassembled transformer station Frame 24 uses aluminium alloy extrusions, and light quality is beautiful and generous.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, minimizes the frame of preassembled transformer station Frame 24 is prefabrication or Assembling.Can prefabrication also Assembling, flexibility is big, and packaging efficiency is high.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, minimizes the frame of preassembled transformer station The door-plate 23 and top plate of frame 24 add plastic-spraying to handle using stainless steel, meet outdoor requirement for anticorrosion；On the door-plate 23 at its four sides Hollow out decorative pattern 22 is provided with, in the case where meeting protection against rodents, antitheft, fire prevention, anti-condensation, anti-collision level requirement, without another reinforced platoon Wind apparatus realizes good result of ventilating heat dissipation.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, the Beautiful Weave Shape on the door-plate 23 at four sides Line 22 and color effects use personalized customization.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, minimizes the frame of preassembled transformer station Frame 24 is arranged to two sides or the four sides medium space of a whole page 25, and two sides or the four sides medium space of a whole page 25 make media method combination variation.Medium The space of a whole page 25 carries out content issue using LED display screens, liquid crystal display, any one mode in advertising cloth or combination.

Looped network type miniaturization preassembled transformer station described in the utility model embodiment, traditional preassembled transformer station is carried out Minute design, realizes the minimizing of substation, intelligent, beautyization, and substation's floor space reduces significantly, can be specific Promoted the use of in engineering design.

The above is only that the preferred embodiment of the utility model is described, and is not the model to the utility model Enclose and be defined；The foregoing is merely specific embodiment of the present utility model, is not used to limit the utility model Protection domain；On the premise of the spirit of the design of the utility model is not departed from, this area ordinary skill technical staff is new to this practicality Any modification, equivalent substitution, improvement and etc. that the technical solution of type is made, the claims that should all fall into the utility model determine Protection domain in.

Claims (39)

1. one kind miniaturization preassembled transformer station, including high-tension switch gear, power transformer（2）, low voltage switch equipment, outer cover Shell and base（3）, it is characterised in that：Miniaturization preassembled transformer station generally isosceles triangle arrangement, the height presses off Close equipment and be installed on power transformer（2）Above, the low voltage switch equipment is installed on power transformer（2）And high-voltage switch gear is set Standby side, the high-tension switch gear, power transformer（2）, low voltage switch equipment integral installation is in base（3）On, it is described Base（3）Upper pin-connected frame shell（4）；The high-tension switch gear is using miniaturization outdoor ring network case（1）.

2. miniaturization preassembled transformer station as claimed in claim 1, it is characterised in that：The miniaturization preassembled transformer station is pressed According to the facts border construction needs to be divided into left inlet wire and right inlet wire two schemes.

3. miniaturization preassembled transformer station as claimed in claim 1, it is characterised in that：The miniaturization preassembled transformer station is pressed Shine into outlet way and be divided into One In and Two Out and one into three.

4. preassembled transformer station is minimized as claimed in claim 1, it is characterised in that：The miniaturization outdoor ring network case（1） For compact design structure, incoming feeder uses gas insulated load switch cabinet, and transformer module is opened using SF6 gas-insulated loads Pass and fuse combined cabinet.

5. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Babinet use laser welding, degree of protection reaches IP67.

6. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Main panel on add an artificial line, contribute to by operating mechanism room（13）Operating mechanism mask（12）It is upper transparent Glass plate intuitively observes on high-tension side division situation.

7. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Babinet using the sealing of common box type gas tank, sulfur hexafluoride gas-insulating, surface full-shield technology, fully guarantee personal safety It is safe for operation with equipment.

8. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Inlet-outlet line gone out using a left side after or it is right go out mode after, combined electrical apparatus cabinet outlet method goes out mode after using, passes through cable It is connected to transformer high-voltage bushing.

9. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Including three-stations load switch, three-stations load switch incorporates the function of on-load switch and earthing switch, forms open air three Position switch structure, will close a floodgate and energy storage is combined into one, and on-load switch is synchronously completed energy storage while completing and closing a floodgate.

10. miniaturization preassembled transformer station as claimed in claim 9, it is characterised in that：The miniaturization outdoor ring network case（1） Combined the unit including on-load switch fuse, on-load switch fuse combination unit includes on-load switch, fuse room（14）, keep away Thunder device room（15）.

11. miniaturization preassembled transformer station as claimed in claim 10, it is characterised in that：The fuse room（14）Positioned at negative The front side of the gas chamber of lotus switch.

12. miniaturization preassembled transformer station as claimed in claim 11, it is characterised in that：The fuse room（14）Using hitting Pin type fuse, when phase fusing occurs, the striker of fuse drives molten storehouse connecting rod and travel switch to make on-load switch three-phase Separating brake avoids phase-deficient operation at the same time.

13. miniaturization preassembled transformer station as claimed in claim 10, it is characterised in that：The arrester room（15）It is installed on Fuse room（14）Lower part.

14. the miniaturization preassembled transformer station as described in claim 10 or 13, it is characterised in that：The arrester room（15）Adopt With front inserting AC gapless oxide elbow-type arrester, hot plugging is realized, protection distribution transformer avoids being struck by lightning Voltage and the damage of system operatio overvoltage.

15. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Installing additional as needed includes motor drive mechanism, the configuration equipment of power distribution network control terminal unit, to adapt to distribution network automated want Distribution reliability requirement is sought and improved, possesses three distant functions, realizes that major component operating status and fault monitoring, a distant place are copied in a distant place Table, remote operation.

16. miniaturization preassembled transformer station as claimed in claim 1, it is characterised in that：The power transformer（2）Using two Level efficiency energy-saving oil immersed transformer.

17. the miniaturization preassembled transformer station as described in claim 1 or 16, it is characterised in that：The power transformer（2）'s General frame is steel construction, is welded on four sides using 6mm thickness whole plate.

18. miniaturization preassembled transformer station as claimed in claim 17, it is characterised in that：The power transformer（2）, it is high It is pressed into thread casing（11）Go out after, its transformer low voltage casing（8）Pipe is gone out using side.

19. miniaturization preassembled transformer station as claimed in claim 17, it is characterised in that：The power transformer（2）Height It is pressed into thread casing（11）, transformer low voltage casing（8）With minimizing outdoor ring network case（1）High pressure inlet-outlet line be all interface standard Change design, to realize that high and low pressure side modularization chooses to install, normalisation coefft is high.

20. miniaturization preassembled transformer station as claimed in claim 17, it is characterised in that：The power transformer（2）Case Four screw rods of lid upper weld are by minimizing outdoor ring network case（1）Lower part, which is kept a foothold, is fastened as a whole the two.

21. miniaturization preassembled transformer station as claimed in claim 1, it is characterised in that：The low voltage switch equipment is using comprehensive Close intelligent distribution box（5）Pattern.

22. the miniaturization preassembled transformer station as described in claim 1 or 21, it is characterised in that：The low voltage switch equipment peace Loaded on power transformer（2）With miniaturization outdoor ring network case（1）Side, passes through transformer bottom channel steel, connecting rib（20）With Rain-proof case（21）By power transformer（2）With comprehensive intelligent distribution box（5）It is fastened as a whole.

23. miniaturization preassembled transformer station as claimed in claim 22, it is characterised in that：The rain-proof case（21）Rendezvous method Blue place is pasted with EPT rubber packing bar.

24. miniaturization preassembled transformer station as claimed in claim 22, it is characterised in that：The low voltage switch equipment, its is low Pressure side inlet wire passes through rain-proof case（21）Into comprehensive intelligent distribution box（5）, its low-pressure side inlet wire is flexible coupling using copper（7）Will Power transformer（2）Low-tension bushing and comprehensive intelligent distribution box（5）Horizontal busbar connects.

25. miniaturization preassembled transformer station as claimed in claim 22, it is characterised in that：The comprehensive intelligent distribution box（5） Babinet use cabinet type external form, overall to be reinforced using C-type steel, upper tank is evenly distributed with heat emission hole along inner side, and side is provided with shutter.

26. miniaturization preassembled transformer station as claimed in claim 22, it is characterised in that：The comprehensive intelligent distribution box（5） Babinet use stainless steel, surface carries out plastic-spraying processing.

27. miniaturization preassembled transformer station as claimed in claim 22, it is characterised in that：The comprehensive intelligent distribution box（5） Babinet also use fiber reinforcement type unsaturated polyester resin material SMC.

28. miniaturization preassembled transformer station as claimed in claim 22, it is characterised in that：The comprehensive intelligent distribution box（5） Using function modoularization structure, it is divided into feeder line room（9）, reactive-load compensation room（6）, measuring room（16）, control room（18）.

29. miniaturization preassembled transformer station as claimed in claim 28, it is characterised in that：The feeder line room（9）Design is comprehensive Close intelligent distribution box（5）Lower part.

30. miniaturization preassembled transformer station as claimed in claim 28, it is characterised in that：The reactive-load compensation room（6）Design In comprehensive intelligent distribution box（5）Top.

31. miniaturization preassembled transformer station as claimed in claim 30, it is characterised in that：The reactive-load compensation room（6）Including Compensation system, the compensation system are adjusted using intelligence and mend capacitor.

32. miniaturization preassembled transformer station as claimed in claim 28, it is characterised in that：The measuring room（16）According to reality Need to be equipped with electric energy meter, concentrator and special transformer acquisition terminal（17）.

33. the miniaturization preassembled transformer station as described in claim 1 or 4, it is characterised in that：The miniaturization outdoor ring network case （1）Outlet casing tube at rear casing is installed（19）, the rear casing（19）Splicing structure is used according to outlet scheme.

34. miniaturization preassembled transformer station as claimed in claim 1, it is characterised in that：The miniaturization preassembled transformer station Frame（24）Using aluminium alloy extrusions.

35. miniaturization preassembled transformer station as claimed in claim 1, it is characterised in that：The miniaturization preassembled transformer station Frame（24）For prefabrication or Assembling.

36. the miniaturization preassembled transformer station as described in claim 34 or 35, it is characterised in that：The miniaturization prepackage type becomes The frame in power station（24）Door-plate（23）Plastic-spraying is added to handle using stainless steel with top plate, the door-plate at its four sides（23）On be provided with Hollow out decorative pattern（22）.

37. miniaturization preassembled transformer station as claimed in claim 36, it is characterised in that：The door-plate at the four sides（23）On Hollow out decorative pattern（22）Personalized customization is used with color effects.

38. the miniaturization preassembled transformer station as described in claim 34 or 35, it is characterised in that：The miniaturization prepackage type becomes The frame in power station（24）It is arranged to two sides or the four sides medium space of a whole page（25）, two sides or the four sides medium space of a whole page（25）Make media method group Close variation.

39. miniaturization preassembled transformer station as claimed in claim 38, it is characterised in that：The medium space of a whole page（25）Using Any one mode or combination in LED display screens, liquid crystal display, advertising cloth carry out content issue.