CN207719005U - H grade insulation dry transformers - Google Patents

H grade insulation dry transformers Download PDF

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Publication number
CN207719005U
CN207719005U CN201820065867.9U CN201820065867U CN207719005U CN 207719005 U CN207719005 U CN 207719005U CN 201820065867 U CN201820065867 U CN 201820065867U CN 207719005 U CN207719005 U CN 207719005U
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channel steel
voltage
low
winding
cylinder
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CN201820065867.9U
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雷斌
倪景山
张健
杨继鲁
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Beijing Science And Technology Co Ltd Realforce
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Beijing Science And Technology Co Ltd Realforce
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Abstract

A kind of H grade insulation dry transformers of the utility model, including pedestal and the support base being set on the base, support base is equipped with three-phase windings, every group of winding includes iron core, and it is sequentially sleeved at the low-voltage insulation winding outside iron core, insulating cylinder and high-voltage isulation winding, the top of iron core is clamped and fastened between the first channel steel and the second channel steel, the bottom end of iron core is clamped and fastened between third channel steel and the 4th channel steel, third channel steel and the 4th channel steel are mounted on support base, insulating cylinder includes cylinder and multiple broach for uniformly being worn along cylinder exterior circumference direction, broach is vertical with the axis of cylinder, low-voltage insulation winding includes multiple low-voltage coil groups, high-voltage isulation winding includes multiple high-tension coil groups, adjacent low-voltage coil group, it is separated by broach between adjacent high-tension coil group.The technical problem to be solved by the present invention is to provide a kind of coilings conveniently, coil loss is small, heat-sinking capability is good, H grade insulation dry transformers with long service life.

Description

H grade insulation dry transformers
Technical field
The utility model is related to transformer technology fields, more particularly to a kind of H grade insulation dry transformers.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary Grade coil and iron core, major function have:Voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.. It can be divided into, according to use,:Distribution transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-immersed transformer, Single-phase transformer, furnace transformer, rectifier transformer etc..In the smaller occasion of electric current, coil can practical single or multiple conducting wires Coiling, loop construction are usually layered structure;In the occasion that electric current is larger, aluminium foil or copper foil coiling, but foil coiling may be used There is the problems such as big loss, coil winding processing difficulties, complex operation in actual motion in circle.For this reason, it may be necessary to find One kind can reduce coil loss and under high current long-term work product, to meet electric system to such product Demand.Moreover, existing transformer is radiated from lower to coil by cooling fan in terms of heat dissipation, since fan is It works in outside, the heat inside transformer coil is not had and concentrates heat dissipation effect well, while wasting fan Electric power energy.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of coilings conveniently, coil loss is small, heat-sinking capability is good, makes With the H grade insulation dry transformers of long lifespan.
A kind of H grade insulation dry transformers of the utility model, including pedestal and the support base being set on the base, the branch It supports seat and is equipped with three-phase windings, winding described in every group includes iron core and the low-voltage insulation winding being sequentially sleeved at outside iron core, absolutely The top of edge cylinder and high-voltage isulation winding, the iron core is clamped and fastened between the first channel steel and the second channel steel, the iron core Bottom end is clamped and fastened between third channel steel and the 4th channel steel, and the third channel steel and the 4th channel steel are mounted on support base, institute It includes cylinder and multiple broach for uniformly being worn along cylinder circumferencial direction to state insulating cylinder, and the broach is vertical with the axis of cylinder, The low-voltage insulation winding includes multiple low-voltage coil groups, and the high-voltage isulation winding includes multiple high-tension coil groups, adjacent institute It states and is separated by broach between low-voltage coil group, the adjacent high-tension coil group.
A kind of H grade insulation dry transformers of the utility model, wherein further including the radiation air being arranged in the both sides of support base Machine, the cooling fan are equipped with more eradication edge exhaust tubes, and the top of the insulation exhaust tube is arranged in winding.
A kind of H grade insulation dry transformers of the utility model, wherein the outside of first channel steel is equipped with outwardly directed The outside of upper lead frame, the third channel steel is equipped with outwardly directed lower lead frame.
A kind of H grade insulation dry transformers of the utility model, wherein first channel steel be equipped with high pressure draw row and with Its first insulated terminal connected, second channel steel are equipped with low pressure and draw row and the second insulated terminal connected to it.
A kind of H grade insulation dry transformers of the utility model, wherein the high pressure draws row, upper lead frame, high-voltage isulation Between winding and lower lead and the low pressure is drawn and is connected by conducting wire between row and low-voltage insulation winding.
A kind of H grade insulation dry transformers of the utility model, wherein first channel steel, the second channel steel, third channel steel and 4th channel steel is equipped with cushion block between insulating cylinder respectively, and the cushion block uses silicon rubber cushion block.
A kind of H grade insulation dry transformers of the utility model, wherein the low-voltage coil group includes multiple low-voltage coils, institute It includes multiple high-tension coils to state high-tension coil group, and the outside of the low-voltage coil and high-tension coil is coated with waterproof layer, the low pressure Coil is all made of polyester enamelled wire with high-tension coil.
A kind of H grade insulation dry transformers of the utility model, wherein the cylinder is equipped with H class B insulation layers.
Compared with prior art, advantages and beneficial effects possessed by the utility model are:
Low-voltage coil group and high-tension coil group, adjacent low-voltage coil group, adjacent high-tension coil is respectively adopted in the utility model It is separated by broach between group, convenient, simple for process, coil the loss of coiling is small, while by increasing and decreasing low-voltage coil respectively The number of group and high-tension coil group carrys out the coiling length of regulating winding, to play the role of adjusting transformer capacity, uses spirit It is living.
For the utility model when transformer works, cooling fan extracts the heat inside winding out row by the exhaust tube that insulate Go out, heat dissipation can be concentrated, transformer overload ability is strong, heatproof is high to make.
The outside of the utility model low-voltage coil and high-tension coil is coated with waterproof layer, and low-voltage coil is all made of with high-tension coil Polyester enamelled wire protects coil not invaded by rainwater, prolongs the service life.
The utility model cylinder is equipped with H class B insulation layers, has been effectively ensured between cylinder and iron core and high-voltage isulation winding Insulating properties, avoid can leaky generation, safety and stability during equipment use, and resistance to height has been effectively ensured Temperature.
The H grade insulation dry transformers of the utility model are described further below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the front view of the utility model H grade insulation dry transformers;
Fig. 2 is the side view of the utility model H grade insulation dry transformers;
Fig. 3 is the backsight partial schematic diagram of the utility model H grade insulation dry transformers;
Fig. 4 is the structural schematic diagram of insulating cylinder;
Connection diagrams of the Fig. 5 between high-voltage isulation winding;
Connection diagrams of the Fig. 6 between low-voltage insulation winding;
Wherein:1, the first channel steel;2, upper lead frame;3, cushion block;4, winding;401, iron core;402, low-voltage insulation winding; 403, cylinder;404, broach;405, high-voltage isulation winding;5, lower lead frame;6, third channel steel;7, cooling fan;8, pedestal;9、 Insulate exhaust tube;10, lead;11, high pressure draws row;12, the first insulated terminal;13, the second channel steel;14, the 4th channel steel;15、 Second insulated terminal;16, low pressure draws row;17, support base.
Specific implementation mode
As Figure 1-Figure 4, a kind of H grade insulation dry transformers of the utility model, including pedestal 8 and setting are in pedestal 8 On support base 17, support base 17 is equipped with three-phase windings, and every group of winding 4 includes iron core 401 and be sequentially sleeved at iron core Low-voltage insulation winding 402, insulating cylinder outside 401 and high-voltage isulation winding 405, the top of iron core 401 are clamped and fastened on the first slot Between steel 1 and the second channel steel 13, the bottom end of iron core 401 is clamped and fastened between third channel steel 6 and the 4th channel steel 14, third channel steel 6 and the 4th channel steel 14 be mounted on support base 17 on, insulating cylinder includes cylinder 403 and is uniformly worn along 403 exterior circumference direction of cylinder If multiple broach 404, broach 404 is vertical with the axis of cylinder 403, low-voltage insulation winding 402 include multiple low-voltage coil groups, High-voltage isulation winding 405 includes multiple high-tension coil groups, passes through broach between adjacent low-voltage coil group, adjacent high-tension coil group 404 separate.
Low-voltage coil group and high-tension coil group, adjacent low-voltage coil group, adjacent high-tension coil is respectively adopted in the utility model It is separated by broach 404 between group, convenient, simple for process, coil the loss of coiling is small, while by increasing and decreasing low-voltage line respectively The number of circle group and high-tension coil group carrys out the coiling length of regulating winding, to play the role of adjusting transformer capacity, uses Flexibly.
Further, further include the cooling fan 7 being arranged in the both sides of support base 17, cooling fan 7 is equipped with to be thoroughly done away with more The top of edge exhaust tube 9, insulation exhaust tube 9 is arranged in winding 4.When transformer works, cooling fan 7 is evacuated by insulating Pipe 9 extracts the heat inside winding 4 out discharge, can concentrate heat dissipation, transformer overload ability is strong, heatproof is high to make.
Further, the outside of the first channel steel 1 is equipped with outwardly directed upper lead frame 2, the outside of third channel steel 6 be equipped with to The lower lead frame 5 of outer stretching, the first channel steel 1 is drawn equipped with high pressure arranges 11 and the first insulated terminal 12 connected to it, and second Channel steel 13 draws row 16 and the second insulated terminal 15 connected to it equipped with low pressure, and high pressure draws row 11, upper lead frame 2, height Between pressure insulation winding 405 and lower lead frame 5 and low pressure draws and passes through lead between row 16 and low-voltage insulation winding 402 10 connections.Wherein, as shown in figure 5, by lead 10 being to be connected in series between high-voltage isulation winding 405 between adjacent winding 4, As shown in fig. 6, by lead 10 being to be connected in parallel between low-voltage insulation winding 402 between adjacent winding 4.
Further, the first channel steel 1, the second channel steel 13, third channel steel 6 and the 4th channel steel 14 are set between insulating cylinder respectively There are cushion block 3, cushion block 3 to use silicon rubber cushion block.
Further, low-voltage insulation winding 402 includes multiple low-voltage coils, and high-tension coil group includes multiple high-tension coils, The outside of low-voltage coil and high-tension coil is coated with waterproof layer, and low-voltage coil is all made of polyester enamelled wire, protective wire with high-tension coil Circle is not invaded by rainwater, is prolonged the service life.
Cylinder 403 is equipped with H class B insulation layers, be effectively ensured cylinder 403 and iron core 401 and high-voltage isulation winding 405 it Between insulating properties, avoid can leaky generation, safety and stability during equipment use, Er Qienai has been effectively ensured High temperature.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various modifications and improvement that the technical solution of utility model is made should all fall into the protection of the utility model claims book determination In range.

Claims (8)

1. a kind of H grade insulation dry transformers, it is characterised in that:Including pedestal and the support base being set on the base, the branch It supports seat and is equipped with three-phase windings, winding described in every group includes iron core and the low-voltage insulation winding being sequentially sleeved at outside iron core, absolutely The top of edge cylinder and high-voltage isulation winding, the iron core is clamped and fastened between the first channel steel and the second channel steel, the iron core Bottom end is clamped and fastened between third channel steel and the 4th channel steel, and the third channel steel and the 4th channel steel are mounted on support base, institute It includes cylinder and multiple broach for uniformly being worn along cylinder circumferencial direction to state insulating cylinder, and the broach is vertical with the axis of cylinder, The low-voltage insulation winding includes multiple low-voltage coil groups, and the high-voltage isulation winding includes multiple high-tension coil groups, adjacent institute It states and is separated by broach between low-voltage coil group, the adjacent high-tension coil group.
2. H grade insulation dry transformers according to claim 1, it is characterised in that:Further include being arranged the two of support base The cooling fan of side, the cooling fan are equipped with more eradication edge exhaust tubes, and the top of the insulation exhaust tube is arranged in winding It is interior.
3. H grade insulation dry transformers according to claim 1, it is characterised in that:The outside of first channel steel is equipped with The outside of outwardly directed upper lead frame, the third channel steel is equipped with outwardly directed lower lead frame.
4. H grade insulation dry transformers according to claim 3, it is characterised in that:First channel steel is equipped with high pressure The row of extraction and the first insulated terminal connected to it, second channel steel are equipped with low pressure and draw row and connected to it second absolutely Acies.
5. H grade insulation dry transformers according to claim 4, it is characterised in that:The high pressure draws row, upper lead Between frame, high-voltage isulation winding and lower lead and the low pressure is drawn and is connected by conducting wire between row and low-voltage insulation winding It connects.
6. H grade insulation dry transformers according to claim 1, it is characterised in that:First channel steel, the second channel steel, Third channel steel and the 4th channel steel are equipped with cushion block between insulating cylinder respectively, and the cushion block uses silicon rubber cushion block.
7. H grade insulation dry transformers according to claim 1, it is characterised in that:The low-voltage coil group includes multiple Low-voltage coil, the high-tension coil group include multiple high-tension coils, and the outside of the low-voltage coil and high-tension coil is coated with waterproof Layer, the low-voltage coil are all made of polyester enamelled wire with high-tension coil.
8. H grade insulation dry transformers according to claim 1, it is characterised in that:The cylinder is equipped with H class B insulations Layer.
CN201820065867.9U 2018-01-15 2018-01-15 H grade insulation dry transformers Active CN207719005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820065867.9U CN207719005U (en) 2018-01-15 2018-01-15 H grade insulation dry transformers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820065867.9U CN207719005U (en) 2018-01-15 2018-01-15 H grade insulation dry transformers

Publications (1)

Publication Number Publication Date
CN207719005U true CN207719005U (en) 2018-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820065867.9U Active CN207719005U (en) 2018-01-15 2018-01-15 H grade insulation dry transformers

Country Status (1)

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CN (1) CN207719005U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114300239A (en) * 2021-12-29 2022-04-08 江苏神马电力股份有限公司 Dry-type transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114300239A (en) * 2021-12-29 2022-04-08 江苏神马电力股份有限公司 Dry-type transformer

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