CN206412177U - Roll up iron core Full-enclosed oil-immersed transformer - Google Patents

Abstract

The utility model discloses volume iron core Full-enclosed oil-immersed transformer, including transformer body, protector, cooling device and support meanss, the transformer body includes transformer case and base, the transformer body also includes being arranged on the bushing and low-tension bushing at the top of the transformer case, the transformer case bottom and top are installed with the support meanss, the transformer body also includes being arranged on the Transformer Winding component inside the transformer case, cooling oil is full of between the Transformer Winding component and the transformer case, the cooling device includes the circulation fuel tank installed in the transformer case side, the cooling device also includes the radiating fin being arranged on the transformer case, the protector is arranged on the top of the transformer body, cooling effectiveness is high, the need for the continuous temperature in use stabilization of transformer can be better met, reach good using effect.

Description

Roll up iron core Full-enclosed oil-immersed transformer

Technical field

The utility model is related to a kind of volume iron core Full-enclosed oil-immersed transformer.

Background technology

Existing reel iron core transformer is generally in forced air cooling mode, the low pressure winding and high pressure winding of this kind of transformer Axial direction and radial air flue are set, and the heat that winding is produced during the use of transformer mainly passes through the radial air flue row of axle Go out to be radiated.Therefore, this air cooling way has the following disadvantages：1) with the increase of transformer height, the wind of bottom blower fan Amount weakens therewith；2) radiating of the transformer bottom blower fan to the insulation main channel between inner-core, high pressure winding air flue and winding Effect is undesirable；3) air-flow of cooling structure is drawn on bottom blowing top can produce larger resistance on transformer part, make a large amount of wind direct Flowed away between component outer or housing, fail to play the cooling effect of winding.

Reel iron core transformer is widely applied and used with its excellent self performance and feature, particularly high voltage variable Frequency device field, with country's wideling popularize and implement to industrial energy saving environmental protection policy, high voltage converter is with its remarkable control Performance and energy-saving speed regulating effect, generally using in industrial every field；So high voltage converter is led applied to special industry During domain, the contradiction between being badly in need of solution equipment own vol and radiating, and what reel iron core transformer was applied as high voltage converter Important component, is based particularly on power unit cascade superposition multiplex solution, promotes energy-conserving and environment-protective policy, improve life Output bas line level, it is necessary to develop a kind of transformer for being applied to meet cooling requirements under adverse circumstances.Therefore oil is improved to follow The cooling structure of ring transformer, improve its cooling effectiveness, no matter from energy-saving, or extension transformer service life, subtract In terms of few accident, will all huge economic results in society be brought.

Utility model content

The purpose of this utility model is that offer is rational in infrastructure, and robustness is high, and production efficiency is high, cooling effectiveness is high and nothing The volume iron core Full-enclosed oil-immersed transformer of potential safety hazard, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides following technical side's files iron core Full-enclosed oil-immersed transformer, bag Transformer body, protector, cooling device and support meanss are included, the transformer body includes transformer case and base, The transformer body also includes being arranged on the bushing and low-tension bushing at the top of the transformer case, the transformer Outer casing bottom and top are installed with the support meanss, and the transformer body also includes being arranged on the transformer case Internal Transformer Winding component, is full of cooling oil between the Transformer Winding component and the transformer case, described cold But device includes the circulation fuel tank installed in the transformer case side, and the cooling device also includes being arranged on the transformation Radiating fin on device shell, the protector is arranged on the top of the transformer body.

As a kind of perferred technical scheme, the protector includes being arranged on the valve type at the top of the transformer case Lightning rod, the arrester ground lead and transformer case series connection are grounded.

As a kind of perferred technical scheme, be provided between the transformer case and the Transformer Winding component is in spiral shell The cooling oil duct of shape extension is revolved, the cooling oil duct is a plurality of.

As a kind of perferred technical scheme, provided with the cooling oil duct twist extended, institute in the ceramic hollow plate It is a plurality of to state cooling oil duct.

As a kind of perferred technical scheme, the circulation fuel tank is provided with fuel-displaced close to the inner face of the transformer case Mouth and oil return opening, the circulation top of oil-tank are provided with the flowline and oil return pipe stretched into the transformer case, described fuel-displaced The mouth connection flowline, the oil return opening connects the oil return pipe, and the circulation fuel tank internal is close to the one of the oil-out End is provided with the dividing plate with through hole.

As a kind of perferred technical scheme, the support meanss are one in the connection support block of " L " type, horizontal direction Face is provided with one or more fixing holes, the connection support block be respectively equipped with the transformer body bottom and top two or It is multiple.

As a kind of perferred technical scheme, the circulation tank bottoms are additionally provided with circulating pump.

As a kind of perferred technical scheme, the Transformer Winding component includes iron core and winding.

With the above mentioned technical proposal：Including transformer body, protector, cooling device and support meanss, institute Stating transformer body includes transformer case and base, and the transformer body also includes being arranged at the top of the transformer case Bushing and low-tension bushing, the transformer case bottom and top are installed with the support meanss, the transformation Device main body also include be arranged on the transformer case inside Transformer Winding component, the Transformer Winding component with it is described Cooling oil is full of between transformer case, the cooling device includes the circulation fuel tank installed in the transformer case side, The cooling device also includes the radiating fin being arranged on the transformer case, and the protector is arranged on the transformation The top of device main body, rational in infrastructure, robustness is high, and cooling effectiveness is high and without potential safety hazard, can better meet transformation The need for the continuous temperature in use of device is stable, good using effect is reached.

Brief description of the drawings

Fig. 1 is that the utility model rolls up iron core Full-enclosed oil-immersed transformer embodiment schematic diagram；

Fig. 2 is that the utility model rolls up iron core Full-enclosed oil-immersed transformer schematic diagram；

Fig. 3 is the utility model volume iron core Full-enclosed oil-immersed transformer circulation fuel tank schematic diagram.

Embodiment

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Referring to Fig. 1, the utility model provides a kind of technical scheme：Iron core Full-enclosed oil-immersed transformer is rolled up, including is become Depressor main body, protector, cooling device and support meanss, the transformer body include transformer case 1 and base 2, institute State bushing 3 and low-tension bushing 4 that transformer body also includes being arranged on the top of transformer case 1, the transformer The bottom of shell 1 and top are installed with the support meanss, and the transformer body also includes being arranged on outside the transformer Transformer Winding component 5 inside shell 1, is full of cooling oil 6 between the Transformer Winding component 5 and the transformer case, The cooling device includes the circulation fuel tank 7 installed in the transformer case side, and the cooling device also includes being arranged on Radiating fin 8 on the transformer case 1, the protector is arranged on the top of the transformer body；

Fig. 1 and Fig. 2 are referred to, the protector includes being arranged on the valve type lightning rod 9 at the top of the transformer case, The arrester ground lead and the transformer case 1 are connected ground connection, effectively prevent from being struck by lightning the equipment damage caused；

Referring to Fig. 3, cold provided with what is twist extended between the transformer case 1 and the Transformer Winding component But oil duct 10, the cooling oil duct 10 is a plurality of, and spiral extension increases heat exchange area, accelerates heat exchange efficiency；

Fig. 1 and Fig. 2 are referred to, the circulation fuel tank 7 is provided with the He of oil-out 12 close to the inner face of the transformer case 1 Oil return opening 11, the top of circulation fuel tank 7, which is provided with, to be stretched into the transformer case 1

Flowline 13 and oil return pipe 14, the oil-out 12 connect the flowline 13, and the oil return opening 11 connects described Oil return pipe 11, the inside of circulation fuel tank 7 is provided with the dividing plate 16 with through hole 15 close to one end of the oil return opening 11, described The inside of circulation fuel tank 7 is additionally provided with circulating pump 17 close to one end of the oil-out 12, and the dividing plate 16 makes the cooling oil duct 10 The flow of the cooling oil 7 of the interior oil return opening reduces, flows decrease, and cooling effect is accelerated, close to the oil-out 12 The circulating pump 17 accelerates the oil flow rate that goes out of the cooling oil 7, radiating efficiency increase；

Fig. 1 and Fig. 2 are referred to, the support meanss are that the one side in the connection support block 18 of " L " type, horizontal direction is provided with One or more fixing holes 19, the connection support block 18 is respectively equipped with two or many in the transformer body bottom and top Individual, it is ensured that stability when transformer works, the increase of transformer service life prevents the generation of security incident；

Referring to Fig. 1, the Transformer Winding component includes iron core 20 and winding 21, the winding 21 is wrapped in the iron On core 20；

The utility model operationally, because the working strength of the transformer body is increased, can produce substantial amounts of heat energy, It is described cold between the transformer case 1 and the transformer body in the circulation fuel tank 7 in the heat abstractor But oil 7 starts to accelerate circulation, cold provided with what is twist extended between the transformer case 1 and the Transformer Winding component But oil duct 10, radiating efficiency is accelerated, the valve type lightning rod 9 at the top of the transformer case, and transformer has been effectively ensured in thunderstorm Safer during weather operation, the utility model is rational in infrastructure, and robustness is high, and production efficiency height, cooling effectiveness are high and without peace Full hidden danger, the need for can better meeting the continuous temperature in use stabilization of loaded voltage-regulating electric transformer, reaches good use Effect.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out Equivalent substitution, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should be wrapped It is contained within protection domain of the present utility model.

Claims (7)

1. volume iron core Full-enclosed oil-immersed transformer, including transformer body, protector, cooling device and support meanss, its It is characterised by：The transformer body includes transformer case and base, and the transformer body also includes being arranged on described become The bushing and low-tension bushing of depressor cover top portion, the transformer case bottom and top are installed with the support dress Put, the transformer body also include be arranged on the transformer case inside Transformer Winding component, the transformer around Cooling oil is full of between group component and the transformer case, the cooling device includes being arranged on the transformer case side Circulation fuel tank, the cooling device also includes the radiating fin being arranged on the transformer case, protector peace Mounted in the top of the transformer body.

2. volume iron core Full-enclosed oil-immersed transformer according to claim 1, it is characterised in that：The protector includes Valve type lightning rod at the top of the transformer case, by the valve type lightning rod ground lead and the transformer case Series connection ground connection.

3. volume iron core Full-enclosed oil-immersed transformer according to claim 1, it is characterised in that：The transformer case with Provided with the cooling oil duct twist extended between the Transformer Winding component, the cooling oil duct is a plurality of.

4. volume iron core Full-enclosed oil-immersed transformer according to claim 1, it is characterised in that：The circulation fuel tank is close The inner face of the transformer case is provided with oil-out and oil return opening, and the circulation top of oil-tank is provided with and stretched into outside the transformer Flowline and oil return pipe in shell, the oil-out connect the flowline, and the oil return opening connects the oil return pipe, described to follow Ring fuel tank internal is provided with the dividing plate with through hole close to one end of the oil-out.

5. volume iron core Full-enclosed oil-immersed transformer according to claim 1, it is characterised in that：The support meanss are One side in the connection support block of " L " type, horizontal direction is provided with one or more fixing holes, and the connection support block becomes described Depressor bottom part body and top are respectively equipped with two or more.

6. volume iron core Full-enclosed oil-immersed transformer according to claim 1, it is characterised in that：The circulation tank bottoms It is additionally provided with circulating pump.

7. volume iron core Full-enclosed oil-immersed transformer according to claim 1, it is characterised in that：The Transformer Winding group Part includes iron core and winding.