CN203466008U

CN203466008U - Amorphous alloy oil immersed transformer

Info

Publication number: CN203466008U
Application number: CN201320539280.4U
Authority: CN
Inventors: 戴中和; 黄金新; 戴也皓
Original assignee: SHENDA TRANSFORMER Co Ltd
Current assignee: SHENDA TRANSFORMER Co Ltd
Priority date: 2013-08-30
Filing date: 2013-08-30
Publication date: 2014-03-05
Anticipated expiration: 2023-08-30

Abstract

The utility model discloses an amorphous alloy oil immersed transformer, and aims to provide an amorphous alloy oil immersed transformer which has high safety and is capable of absorbing iron core fragments in the first time. The key points of the technical scheme are that the amorphous alloy oil immersed transformer comprises a transformer shell, wherein the transformer shell is internally provided with an amorphous alloy iron core, a coil and insulation oil, and comprises an oil outlet and an oil return port, the oil outlet is provided with a fragment adsorbing device used for adsorbing the iron core fragments in the insulation oil, the transformer shell comprises an oil outlet pipeline which is in conduction connection with the oil outlet, the oil outlet pipeline penetrates through the fragment adsorbing device, and the fragment adsorbing device comprises a magnet and a housing for protecting the magnet. The utility model is suitable for the amorphous alloy oil immersed transformer.

Description

Amorphous alloy oil immersion type transformer

Technical field

The utility model relates to a kind of transformer manufacture technology, and more particularly, it relates to a kind of amorphous alloy oil immersion type transformer.

Background technology

Non-crystaline amorphous metal is by super quench solidification, and during alloy graining, atom has little time ordered arrangement crystallization, and the solid alloy obtaining is long-range disordered structure, there is no crystal grain, the crystal boundary of crystal alloy.This non-crystaline amorphous metal has the performance of many uniquenesses, because its excellent performance, technique are simple, becomes the research and development emphasis of domestic and international material supply section educational circles since the eighties.Amorphous alloy transformer, with the advantage of himself, becomes the first-selected product of energy-saving and emission-reduction, meets the requirement of national energy-saving environmental protection policy policy simultaneously, has wide development space.Amorphous alloy material has the extremely low feature of loss, is applicable to doing the iron core of transformer, due to amorphous alloy core thickness as thin as a wafer, extremely crisp, only have 0.02 to 0.03 millimeter, simultaneously amorphous alloy material is also very responsive to mechanical stress.When transformer assembling, operation vibrations, all can there is very little fragment to come off, the amorphous fragment coming off will be in transformer operation, along with oily circulation from amorphous core the inside out, follow transformer oil to move about in whole transformer, this is just easy to cause electric discharge, short circuit, thereby causes the situation that high-low pressure punctures to occur.

At present, application number is that 201120240050.9 Chinese patent discloses a kind of Novel oil tank of transformer, at the bottom of it comprises casing and case, four jiaos of described bottom halves are provided with and protect frame, protect in frame magnet is set, by installing magnet additional in fuel tank bottom, once amorphous fragment flows out and will be held by magnet in running like this, transformer oil is purified automatically, thereby has reduced the even possibility of short circuit of transformer internal discharge, has improved transformer reliability of operation.

The amorphous alloy iron core fragment of this oil tank of transformer inside is along with the insulating oil in casing flows, when arriving fuel tank bottom, although be subject to the attraction of magnet, can be attracted on magnet, avoid fragment to flow into the hidden danger that causes short circuit in coil, still, because mobile in casing of insulating oil is that filter by insulating oil drives, amorphous alloy iron core fragment not necessarily can flow to bottom half in the very first time and be adsorbed by magnet, thereby guarantees that transformer uses safety.

Utility model content

The deficiency existing for prior art, the amorphous alloy oil immersion type transformer that provides a kind of fail safe higher is provided the purpose of this utility model, can absorb iron core fragment in the very first time.

For achieving the above object; the utility model provides following technical scheme: a kind of amorphous alloy oil immersion type transformer; comprise transformer shell; in described transformer shell, be provided with amorphous alloy iron core, coil and insulating oil; described transformer shell comprises oil-out and oil return opening; described oil-out is provided with for adsorbing the fragment adsorbent equipment of the amorphous alloy iron core fragment of insulating oil, and described fragment adsorbent equipment comprises magnet and for the protection of the shell of magnet.

By adopting technique scheme, insulating oil in transformer body is under the drive of oil circulation device, by flowing out from oil-out, thereby be installed in the fragment adsorbent equipment absorption on oil-out, through oil, circulate from oil return opening inflow transformer body more afterwards, stop to occur that amorphous alloy iron core fragment flows into the potential safety hazard of coil, make the full property of amorphous alloy oil immersion type transformer higher.Meanwhile, form duplicate protection with the magnet of transformer shell bottom; And, it is external that fragment adsorbent equipment is installed on transformer shell, when fragment adsorbent equipment reaches capacity state, staff can stop the oil circulation of described amorphous alloy oil immersion type transformer at any time, from oil-out, take off that fragment adsorbent equipment is cleared up or maintenance, maintenance work, guarantee the operating efficiency of fragment adsorbent equipment, coordinate oil circulation, can absorb iron core fragment in the very first time; Meanwhile, magnet is used for adsorbing amorphous alloy iron core fragment, economic, use; and shell is for the protection of magnet, prevent that magnet from directly contacting with insulating oil, and amorphous alloy iron core fragment is directly adsorbed on magnet; be inconvenient to clear up, shell also contributes to magnet to be fixed on flowline.

The utility model is further set to: described transformer shell comprises flowline, and described flowline conducting connects oil-out, and described flowline is arranged in fragment adsorbent equipment.

By adopting technique scheme, described transformer is derived the insulating oil in transformer shell to filter or circulation temperature lowering by flowline, the conducting of fragment adsorbent equipment is connected on flowline, make insulating oil in oil circulation process, complete the processing to amorphous alloy iron core fragment, process is simple, efficiency is high, some tiny fragments particularly, can be along with insulating oil flows, even could not be by the attraction of the magnet of transformer shell bottom, in oil circulation process, also can be siphoned away by fragment adsorbent equipment, guarantee the use safety of described amorphous alloy oil immersion type transformer.

The utility model is further set to: described fragment adsorbent equipment is detachably connected on flowline.

By adopting technique scheme, removably connecting, avoid in long-term use procedure, because fragment too much causes flowline, stop up, increase the flow resistance of flowline, thereby reduce the cycle efficieny of insulating oil.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model amorphous alloy oil immersion type transformer embodiment.

Reference numeral: 1, transformer shell; 11, amorphous alloy iron core; 12, coil; 14, oil-out; 15, oil return opening; 16, flowline; 17, oil circulation device; 2, fragment adsorbent equipment; 21, shell; 22, magnet.

Embodiment

With reference to Fig. 1, the utility model amorphous alloy oil immersion type transformer embodiment is described further.

As shown in Figure 1, a kind of amorphous alloy oil immersion type transformer, comprise transformer shell 1, in described transformer shell 1, be provided with amorphous alloy iron core 11, coil 12 and insulating oil, described transformer shell 1 comprises oil-out 14 and oil return opening 15, described oil-out 14 is provided with for adsorbing the fragment adsorbent equipment 2 of amorphous alloy iron core 11 fragments of insulating oil, described fragment adsorbent equipment 2 comprises magnet 22 and it should be noted that for the protection of the shell 21(of magnet 22 herein, the present embodiment surrounds magnet 22 with shell 21, amorphous alloy iron core 11 fragments are adsorbed onto on shell 21 by magnet 22, easy cleaning, only shell 21 need be unloaded, do not need to split out magnet 22, meanwhile, the diameter that the flowline 16 of 21 sections, shell is installed should be greater than other positions, for the temporary transient fragment that stores amorphous alloy iron core 11, prevents that fragment accumulation from causing line clogging, flow resistance to increase).

Insulating oil in transformer body is under the drive of oil circulation device 17, by flowing out from oil-out 14, thereby be installed in fragment adsorbent equipment 2 absorption on oil-out 14, through oil, circulate from oil return opening 15 inflow transformer bodies more afterwards, stop to occur that amorphous alloy iron core 11 fragments flow into the potential safety hazard of coil 12, make the full property of amorphous alloy oil immersion type transformer higher.Meanwhile, form duplicate protection with the magnet 22 of transformer shell 1 bottom; And, fragment adsorbent equipment 2 is installed on outside transformer shell 1, when fragment adsorbent equipment 2 reaches capacity state, staff can stop the oil circulation of described amorphous alloy oil immersion type transformer at any time, from oil-out 14, take off that fragment adsorbent equipment 2 is cleared up or maintenance, maintenance work, guarantee the operating efficiency of fragment adsorbent equipment 2, coordinate oil circulation, can absorb iron core fragment in the very first time; Simultaneously; magnet 22 is for adsorbing amorphous alloy iron core fragment; economical, use; and shell 21 is for the protection of magnet 22; prevent that magnet 22 from directly contacting with insulating oil; and amorphous alloy iron core fragment is directly adsorbed on magnet 22, to be inconvenient to clear up, shell 21 also contributes to magnet 22 to be fixed on flowline 16.

Described transformer shell 1 comprises flowline 16, and described flowline 16 conductings connect oil-out 14, and described flowline 16 is arranged in fragment adsorbent equipment 2.

Described transformer is derived the insulating oil in transformer shell 1 to filter or circulation temperature lowering by

flowline

16,2 conductings of fragment adsorbent equipment are connected on flowline 16, make insulating oil in oil circulation process, complete the processing to amorphous alloy iron core 11 fragments, process is simple, efficiency is high, some tiny fragments particularly, can be along with insulating oil flows, even could not be by the attraction of the magnet 22 of transformer shell 1 bottom, in oil circulation process, also can be siphoned away by fragment adsorbent equipment 2, guarantee the use safety of described amorphous alloy oil immersion type transformer.

Described fragment adsorbent equipment 2 is detachably connected on flowline 16.

Removably connect and avoid in long-term use procedure, because fragment too much causes flowline 16, stop up, increase the flow resistance of flowline 16, thereby reduce the cycle efficieny of insulating oil.

The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection range of the present utility model.

Claims

1. an amorphous alloy oil immersion type transformer; comprise transformer shell; in described transformer shell, be provided with amorphous alloy iron core, coil and insulating oil; it is characterized in that: described transformer shell comprises oil-out and oil return opening; described oil-out is provided with for adsorbing the fragment adsorbent equipment of the amorphous alloy iron core fragment of insulating oil, and described fragment adsorbent equipment comprises magnet and for the protection of the shell of magnet.

2. amorphous alloy oil immersion type transformer according to claim 1, is characterized in that: described transformer shell comprises flowline, and described flowline conducting connects oil-out, and described flowline is arranged in fragment adsorbent equipment.

3. amorphous alloy oil immersion type transformer according to claim 2, is characterized in that: described fragment adsorbent equipment is detachably connected on flowline.