CN104465058B - Manufacturing method of transformer body of oil immersion type amorphous alloy transformer - Google Patents
Manufacturing method of transformer body of oil immersion type amorphous alloy transformer Download PDFInfo
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- CN104465058B CN104465058B CN201410698082.1A CN201410698082A CN104465058B CN 104465058 B CN104465058 B CN 104465058B CN 201410698082 A CN201410698082 A CN 201410698082A CN 104465058 B CN104465058 B CN 104465058B
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Abstract
The invention discloses a manufacturing method of a transformer body of an oil immersion type amorphous alloy transformer. The manufacturing method includes the following steps: (1) annealing treatment is carried out on iron cores; (2) the iron cores are pushed to the testing position for testing according to the furnace exiting sequence; (3) coils for forming the transformer body of the transformer draw close; (4) iron core jackets are drawn off after the iron cores are pushed into the testing position; (5) packing is carried out; (6) binding is carried out, wherein the binding belt tension ranges from 1500 N to 2500 N according to different weights of the transformer body; (7) after an amorphous sheet layer on the outmost face is closed, a shock pad is placed on the outer face of the amorphous sheet layer, a silicon steel sheet hasp on the outer layer is tightened, the hasp part is firmly glued through adhesive tape, and the adhesive tape is used for firm gluing if the hasp is damaged; (8) the coils are cleaned; (9) the lap joint position is coated with glass cement; (10) upper clamp insulation is arranged, and an upper clamp is installed in place. By means of the manufacturing method, stable-performance annealing parameters can be guaranteed, the fixing effect is improved through an elastic insulation binding belt, and the sound insulation effect and the sound absorption effect can be improved.
Description
Technical field
The present invention relates to transformer technology field, be especially the device body manufacture method of a kind of oil-immersed type non-crystal alloy transformer.
Background technology
Oil-immersed type non-crystal alloy transformer, in order to cost-effective, must reduce transformer body volume, then reduce various raw-material
Consumption, must be controlled the annealing unshakable in one's determination of transformator and transformer body carries out colligation, ensure the loss water of transformator
Flat, safe insulation distance and resistance to voltage levels, but owing to amorphous core counter stress is very sensitive, colligation the tightliest causes the noise of transformator
And loss increases, colligation dynamics not can be bad because of elasticity, and in transformator running, device body vibration steel band comes off, unshakable in one's determination loose
Noise can sharply increase, and destroys outsourcing insulation most probably, even causes transformator multipoint earthing, burn transformator.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of annealing parameter that can guarantee that stable performance, uses elastic insulation to tie up
Band increases fixed effect, can increase the device body manufacture method of the oil-immersed type non-crystal alloy transformer of sound insulation and sound-absorbing effect.
The technical scheme is that, it is provided that the device body manufacture method of the oil-immersed type non-crystal alloy transformer of a kind of following steps, its
It is characterised by: comprise the following steps: binder
(1) iron core is made annealing treatment: iron core is put into annealing furnace, open heater switch, when monitoring maximum temperature liter unshakable in one's determination
During to 120 DEG C, open field ionization source and the field ionization source time opened in record；When the minimum temperature that monitoring is unshakable in one's determination rises to 200 DEG C, close
Heater switch, starts to draw the temperature difference, record to draw the temperature difference time started, and drawing the temperature time is 1H, if monitoring iron core after drawing temperature difference 1H
The temperature difference still > 30 DEG C, then continue to draw temperature, no longer than 1.5H；After La Wen terminates, open heater switch, heating-up temperature control
System, at 335～345 DEG C, stops heating and thermal insulation 1H；Open fire door, accelerate iron core cooling, maximum temperature fall unshakable in one's determination with axial blower fan
To 150 DEG C, iron core is transported out annealing furnace；
(2) shift iron core onto test position by order of coming out of the stove, as requested in joint unshakable in one's determination around covering corresponding number of turns test cable, open
Opening electrical quantity general measuring instrument, regulating frequency is 50Hz, first taps exterior sheathing unshakable in one's determination with iron hammer, then supreme by bottom with iron hammer
Percussion exterior sheathing unshakable in one's determination in portion's, to remove the stress existed between core-lamination stack, notices during percussion that electrical quantity general measuring instrument shows specified
Loss value under voltage, is repeated several times and makes the loss value under rated voltage no longer decline after reaching a minimum；
(3) coil constituting the device body of transformator is drawn close by binder, inserts C-shaped insulation, must be by the master of coil when inserting
Insulation crimped paper turnover is pressed in the flange of c-type insulation, then adjusts bracket and coil, make all coils be in sustained height and
End face keeps in one plane, and the lower surface of coil window and must be assembled platen and is positioned in approximately the same plane, will with U.S. stricture of vagina paper
Gap closing between flange and the coil of c-type insulation；
(4) it is transported to iron core assemble on platen, pushes in coil, before iron core pushes and puts in place, at the window's position unshakable in one's determination
Place epoxy plate, to facilitate iron core to push, then iron core push-tight is put in place, iron core pump after pushing iron core sheath, when iron core is inserted in by
According to the order of housing after first inside casing；
(5) baling press air hose is connected on quick union, prepares binder, with binder, device body is tied, afterbody
Stay 200～400mm；The overlapping part of binder must separate, and unclamps stretcher；Pin tension switch until binder stretches tight completely
Tightly, pinning vibroswitch until binder cuts off and welding, the persistent period is 2～3 seconds；
(6) every 50～80mm colligations together, it is 1500～2500N according to untanking mass difference binder tension force,
(7) after pass gets togather one layer of amorphous lamella of outermost, outside it, put cushion, and tighten up the stalloy hasp of outer layer,
Then cementing fastener section with adhesive tape, if hasp damages application, adhesive tape sticking is firm；
(8) after iron core all closes, cleaning coil surface and the top and bottom of amorphous core overlap, in case there being amorphous broken
Sheet is stayed on coil；
(9) binder is at lap-joint's brushing glass cement, blocks amorphous chip, if one layer of iron core need to be equal at the upper and lower faying surface of iron core
Even brushing glass cement, if two-layer is unshakable in one's determination, must be coated with at lower floor unshakable in one's determination faying surface up and down unshakable in one's determination and the upper faying surface of upper strata iron core
Brush glass cement；
(10) putting clamp insulation, loaded onto by upper clamping piece and put in place, fasten with bolt, the upset of device body is stood up by recycling driving,
Flow into next procedure after the assay was approved, complete whole operation.
Using after above-mentioned steps, the present invention compared with prior art, has the advantage that 1, the low about 0.12w/kg of specific loss unshakable in one's determination,
The little about 0.2VA/kg of unit excitation unshakable in one's determination；2, holder body effect is more superior, and tensile force is controlled, makes the anti-short circuit capability of transformator
It is guaranteed, stops steel band and come off the fault of multipoint earthing；3, elastic insulated binding strap, deadening felt and glass cement, be in operation
Transformator vibrations can be played cushioning effect, it is ensured that noise and loss, survey lower noise about 3～5dB；Four, simple to operate easily
Learn, improve production efficiency.4 separately absorb noise at lap-joint unshakable in one's determination brushing glass cement, prevent cushion buffering vibration, then wrap up
Deadening felt, on the one hand slackens acoustic energy, the another reinforcement insulation to folder unshakable in one's determination.
Detailed description of the invention
The invention will be further described below.
The device body manufacture method of a kind of oil-immersed type non-crystal alloy transformer of the present invention, comprises the following steps:
(1) iron core is made annealing treatment: iron core is put into annealing furnace, open heater switch, when monitoring maximum temperature liter unshakable in one's determination
During to 120 DEG C, open field ionization source and the field ionization source time opened in record；The power supply that field ionization source anneals electromagnetic field for providing amorphous core,
When the minimum temperature that monitoring is unshakable in one's determination rises to 200 DEG C, utilize the temperature that thermocouple thermometer monitoring is unshakable in one's determination, close heater switch,
Starting to draw the temperature difference, drawing the temperature difference is to utilize thermal inertia and ambient temperature, reduces the temperature contrast unshakable in one's determination in annealing furnace, and record draws the temperature difference
Time started, drawing the temperature time is 1H, if monitoring the temperature difference of iron core after drawing temperature difference 1H still > 30 DEG C, the temperature difference refers to that temperature is the highest
The iron core iron core minimum with temperature, then continue to draw temperature, no longer than 1.5H；After La Wen terminates, open heater switch, root
According to single furnace annealing amount and and the weight of single iron core, heating and temperature control, at 335～345 DEG C, stops heating and thermal insulation 1H；Open stove
Door, accelerates iron core cooling with axial blower fan, and maximum temperature unshakable in one's determination is down to 150 DEG C, iron core is transported out annealing furnace；
(2) shift iron core onto test position by order of coming out of the stove, as requested in joint unshakable in one's determination around covering corresponding number of turns test cable, open
Opening electrical quantity general measuring instrument, regulating frequency is 50Hz, first taps exterior sheathing unshakable in one's determination with iron hammer, then supreme by bottom with iron hammer
Percussion exterior sheathing unshakable in one's determination in portion's, to remove the stress existed between core-lamination stack, during percussion from the beginning of bottom iron core, connects to iron core through both sides
Head position, joint area being exerted oneself moderate in order to avoid damaging joining seam unshakable in one's determination, being noted the specified electricity that electrical quantity general measuring instrument shows during percussion
The loss value of pressure, is repeated several times and makes the loss value under rated voltage no longer decline after reaching a minimum.
(3) coil constituting the device body of transformator is drawn close by binder, inserts C-shaped insulation, and C-shaped insulation is a kind of insulating board,
It is shaped like letter C, the major insulation crimped paper of coil must be turned down in the flange being pressed in c-type insulation when inserting, then adjust
Bracket and coil, make all coils be in sustained height and end face and keep in one plane, the lower surface of coil window must and
Assembling platen is positioned in approximately the same plane, the gap closing between the flange and the coil that c-type are insulated with U.S. stricture of vagina paper；
(4) it is transported to iron core assemble on platen, pushes in coil, before iron core pushes and puts in place, at the window's position unshakable in one's determination
Place epoxy plate, to facilitate iron core to push, then iron core push-tight is put in place, iron core pump after pushing iron core sheath, when iron core is inserted in by
According to the order of housing after first inside casing；
(5) being connected on quick union by baling press air hose, baling press is the portable pneumatic packaging machine of QD-19 (Qingdao
Wheat lattice) and external air gauge, prepare binder, described insulated binding band, through test of many times, I takes charge of employing signode binder
Tenax binder (company of Cigna of the U.S., code name 2040, width 15.6mm, material PET), with binder by device body
Tying, afterbody about stays 200～400mm；The overlapping part of binder by fixing blade separately must unclamp stretcher；With the right side
Hands thumb pins tension switch until binder is fully tensioned, with pinning vibroswitch until binder cuts off and welding, when continuing
Between be about 2～3 seconds；
(6) every 50～80mm colligations together, it is about 1500～2500N according to untanking mass difference binder tension force,
(7) after pass gets togather one layer of amorphous lamella of outermost, outside it, put cushion, and tighten up the stalloy hasp of outer layer,
Then cementing fastener section with 3M adhesive tape, if hasp damages application, 3M adhesive tape sticking is firm；
(8) after iron core all closes, cleaning coil surface and the top and bottom of amorphous core overlap, in case there being amorphous broken
Sheet is stayed on coil；
(9) binder is at lap-joint's brushing glass cement, and glass cement uses delight to reach glass cement, blocks amorphous chip, if one layer
Iron core need to be at the upper and lower faying surface of iron core uniform brushing glass cement, if two-layer is unshakable in one's determination, and must be at lower floor unshakable in one's determination faying surface up and down unshakable in one's determination
And the upper faying surface that upper strata is unshakable in one's determination, brushing glass cement；
(10) putting clamp insulation, loaded onto by upper clamping piece and put in place, fasten with bolt, the upset of device body is stood up by recycling driving,
Flow into next procedure after the assay was approved, complete whole operation.
Claims (1)
1. the device body manufacture method of an oil-immersed type non-crystal alloy transformer, it is characterised in that: comprise the following steps:
(1) iron core is made annealing treatment: iron core is put into annealing furnace, open heater switch, when monitoring maximum temperature unshakable in one's determination rises to 120 DEG C, open field ionization source and the field ionization source time opened in record；When the minimum temperature that monitoring is unshakable in one's determination rises to 200 DEG C, closing heater switch, start to draw the temperature difference, record to draw the temperature difference time started, drawing the temperature time is 1H, if monitoring the temperature difference of iron core after drawing temperature difference 1H still > 30 DEG C, then continue to draw temperature, no longer than 1.5H；After La Wen terminates, opening heater switch, heating and temperature control, at 335～345 DEG C, stops heating and thermal insulation 1H；Opening fire door, accelerate iron core cooling with axial blower fan, maximum temperature unshakable in one's determination is down to 150 DEG C, iron core is transported out annealing furnace；
(2) iron core is shifted onto test position by order of coming out of the stove, as requested in joint unshakable in one's determination around covering corresponding number of turns test cable, open electrical quantity general measuring instrument, regulating frequency is 50Hz, first tap exterior sheathing unshakable in one's determination with iron hammer, then exterior sheathing unshakable in one's determination is tapped to remove the stress existed between core-lamination stack with iron hammer by bottom to top, note the loss value under the rated voltage that electrical quantity general measuring instrument shows during percussion, be repeated several times and make the loss value under rated voltage no longer decline after reaching a minimum；
(3) coil constituting the device body of transformator is drawn close, insert C-shaped insulation, the major insulation crimped paper of coil must be turned down when inserting and be pressed in C-shaped
In the flange of insulation, then adjusting bracket and coil, make all coils be in sustained height and end face keeps in one plane, the lower surface of coil window and must be assembled platen and is positioned in approximately the same plane, with U.S. stricture of vagina paper by C-shaped
Gap closing between flange and the coil of insulation；
(4) it is transported to iron core assemble on platen, pushes in coil, before iron core pushes and puts in place, place epoxy plate at the window's position unshakable in one's determination, to facilitate iron core to push, then iron core push-tight is put in place, iron core pumps sheath unshakable in one's determination after pushing, according to the order of housing after first inside casing when iron core is inserted in；
(5) being connected on quick union by baling press air hose, prepare binder, tied by device body with binder, afterbody stays 200～400mm；The overlapping part of binder must separate, and unclamps stretcher；Pinning tension switch until binder is fully tensioned, pin vibroswitch until binder cuts off and welding, the persistent period is 2～3 seconds；
(6) every 50～80mm colligations together, it is 1500～2500N according to untanking mass difference binder tension force,
(7) after pass gets togather one layer of amorphous lamella of outermost, putting cushion outside it, and tighten up the stalloy hasp of outer layer, then cement fastener section with adhesive tape, if hasp damages application, adhesive tape sticking is firm；
(8) after iron core all closes, cleaning coil surface and the top and bottom of amorphous core overlap, in case there being amorphous fragment to stay on coil；
(9) at lap-joint's brushing glass cement, amorphous chip is blocked, if one layer of iron core need to be at the upper and lower faying surface of iron core uniform brushing glass cement, if two-layer is unshakable in one's determination, must be at lower floor unshakable in one's determination faying surface up and down unshakable in one's determination and the upper faying surface of upper strata iron core, brushing glass cement；
(10) putting clamp insulation, loaded onto by upper clamping piece and put in place, fasten with bolt, the upset of device body is stood up by recycling driving, flows into next procedure after the assay was approved, completes whole operation.
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| CN201410698082.1A CN104465058B (en) | 2014-11-27 | 2014-11-27 | Manufacturing method of transformer body of oil immersion type amorphous alloy transformer |
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| CN201410698082.1A CN104465058B (en) | 2014-11-27 | 2014-11-27 | Manufacturing method of transformer body of oil immersion type amorphous alloy transformer |
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| CN108039272B (en) * | 2017-11-13 | 2020-06-23 | 江苏宏源电气有限责任公司 | Assembly method of protective oil-immersed amorphous transformer core |
| CN109994311A (en) * | 2019-04-26 | 2019-07-09 | 通变电器有限公司 | A kind of resistance to shorting amorphous alloy transformer core noise-reduction method |
| CN110117700A (en) * | 2019-05-23 | 2019-08-13 | 重庆源通电器设备制造有限责任公司 | A kind of amorphous alloy core annealing technology |
| CN111180187A (en) * | 2020-01-20 | 2020-05-19 | 河南泰隆电力设备股份有限公司 | Method for assembling burst short circuit resistant amorphous alloy transformer body |
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| CN101368228A (en) * | 2008-10-13 | 2009-02-18 | 上海日港置信非晶体金属有限公司 | Method for removing amorphous alloy iron core localized stress |
| CN202473520U (en) * | 2012-01-29 | 2012-10-03 | 沪光集团(安徽)电气有限公司 | Amorphous alloy iron core protection structure of transformer |
| CN103509916A (en) * | 2013-10-29 | 2014-01-15 | 中电电气(江苏)股份有限公司 | Vacuum annealing method for amorphous alloy iron cores |
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| JPS62128510A (en) * | 1985-11-29 | 1987-06-10 | Fuji Electric Co Ltd | Manufacture of wound core for induction apparatus |
| JP4369164B2 (en) * | 2003-06-13 | 2009-11-18 | 株式会社日立産機システム | Method for manufacturing amorphous iron core transformer |
| CN102292784B (en) * | 2009-01-23 | 2013-11-06 | 丰田自动车株式会社 | Method for producing dust core |
| CN101572182B (en) * | 2009-02-27 | 2011-04-13 | 南京国电环保设备有限公司 | Ultracrystalline transformer core manufacturing method and special mould therefor |
| CN101950662B (en) * | 2010-09-29 | 2012-11-14 | 株洲市变压器有限公司 | Method for manufacturing wound core of triangular wound core transformer and product |
| CN102543383B (en) * | 2012-04-09 | 2014-06-18 | 佛山市中研非晶科技股份有限公司 | Amorphous alloy plane stepped iron core and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368228A (en) * | 2008-10-13 | 2009-02-18 | 上海日港置信非晶体金属有限公司 | Method for removing amorphous alloy iron core localized stress |
| CN202473520U (en) * | 2012-01-29 | 2012-10-03 | 沪光集团(安徽)电气有限公司 | Amorphous alloy iron core protection structure of transformer |
| CN103509916A (en) * | 2013-10-29 | 2014-01-15 | 中电电气(江苏)股份有限公司 | Vacuum annealing method for amorphous alloy iron cores |
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Address after: No. 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province, 315031 Patentee after: Ningbo Aokes Intelligent Technology Co.,Ltd. Address before: No. 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province, 315031 Patentee before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. |
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