CN104465058A - 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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- CN104465058A CN104465058A CN201410698082.1A CN201410698082A CN104465058A CN 104465058 A CN104465058 A CN 104465058A CN 201410698082 A CN201410698082 A CN 201410698082A CN 104465058 A CN104465058 A CN 104465058A
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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, is specifically a kind of device body manufacture method of oil-immersed type non-crystal alloy transformer.
Background technology
Oil-immersed type non-crystal alloy transformer is in order to cost-saving, transformer body volume must be reduced, then various raw-material consumption is reduced, must to control the annealing of the iron core of transformer and transformer body carries out colligation, ensure the loss level of transformer, safe insulation distance and withstand voltage level, but because amorphous core counter stress is very sensitive, colligation too tightly causes the noise of transformer and loss to increase, colligation dynamics not can be bad because of elasticity, in transformer running, device body vibration steel band comes off, loose noise unshakable in one's determination can sharply increase, destroy outsourcing insulation most probably, even cause transformer multipoint earthing, burn transformer.
Summary of the invention
The technical problem to be solved in the present invention is, provides the annealing parameter that a kind of energy guaranteed performance is stable, adopts flexible insulated binding band to increase 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.
Technical scheme of the present invention is, provides a kind of device body manufacture method of oil-immersed type non-crystal alloy transformer of following steps, it is characterized in that: comprise the following steps:
(1) annealing in process is carried out to iron core: iron core is put into annealing furnace, open heater switch, when monitoring maximum temperature unshakable in one's determination and rising to 120 DEG C, open field ionization source and record and open the field ionization source time; When monitoring minimum temperature unshakable in one's determination and rising to 200 DEG C, close heater switch, start to draw the temperature difference, record draws the temperature difference time started, draws the temperature time to be 1H, if monitor the temperature difference still >30 DEG C unshakable in one's determination after drawing temperature difference 1H, then pull on temperature, no longer than 1.5H; After La Wen terminates, open heater switch, heating and temperature control, at 335 ~ 345 DEG C, stops heating and thermal insulation 1H; Open fire door, accelerate cooling unshakable in one's determination with axial blower fan, maximum temperature unshakable in one's determination is down to 150 DEG C, and 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 knock exterior sheathing unshakable in one's determination with iron hammer, then knock both sides unshakable in one's determination exterior sheathing to remove the stress existed between core lamination with iron hammer by bottom to top, when knocking, note the W value that electrical quantity general measuring instrument shows, no longer decline after repeatedly repeating to make W value reach a minimum;
(3) coil of the device body forming transformer is drawn close, insert the insulation of C shape, must the turnover of the main insulation crimped paper of coil be pressed in the flange of C type insulation when inserting, then bracket and coil is adjusted, make all coils be in sustained height and end face keep in one plane, the lower surface of coil window and must be assembled platen and is positioned in same plane, the gap closing between the flange insulated by C type with U.S. line paper and coil;
(4) iron core is transported on assembling platen, pushes in coil, before iron core pushes and puts in place, place epoxy plate at the window's position of iron core, to facilitate iron core to push, then push-tight unshakable in one's determination is put in place, sheath unshakable in one's determination is pumped, according to the order of housing after first inside casing when iron core is inserted in after iron core pushes;
(5) baling press air hose is connected on quick union, prepares binder. tied by device body with strap, afterbody stays about 200 ~ 400mm; The overlapping part of binder must separate, and unclamps stretcher; Pin tension switch until binder is tightened completely, pin vibroswitch until prick band to cut off also welding, the duration is 2 ~ 3 seconds;
(6) every 50 ~ 80mm colligation together, be 1500 ~ 2500N according to untanking mass different colligation drawstring tension force,
(7) after pass gets togather outermost one deck amorphous lamella, outside it, put beam, and tighten up outer field silicon steel sheet hasp, then cement fastener section with adhesive tape, if hasp damages application of tape firm pasting;
(8) after iron core all closes, the top and bottom of cleaning coil surface and amorphous core overlap, in case there is amorphous fragment to stay on coil;
(9) at lap-joint's brushing glass cement, shutoff amorphous chip, if one deck iron core need at the even brushing glass cement of the upper and lower faying surface of iron core, if two-layer iron core, must at the upper faying surface of the lower floor of iron core faying surface and upper strata iron core up and down unshakable in one's determination, brushing glass cement;
(10) put clamp insulation, loaded onto by upper clamping piece and put in place, by bolted, the upset of device body is stood up by recycling driving, flows into next procedure after the assay was approved, completes whole operation.
After adopting above-mentioned steps, the present invention compared with prior art, has the following advantages: 1, the low about 0.12w/kg of specific loss unshakable in one's determination, the little about 0.2VA/kg of unit unshakable in one's determination excitation; 2, fixture body effect is more superior, and tensile force is controlled, and the anti-short circuit capability of transformer is guaranteed, and stops steel band and to come off the fault of multipoint earthing; 3, elastic insulated binding strap, deadening felt and glass cement, be in operation and can play cushioning effect to transformer vibrations, ensure noise and loss, actual measurement noise reduces about 3 ~ 5dB; Four, simple to operate easy to learn, enhance productivity.4 separately absorb noise at lap-joint unshakable in one's determination brushing glass cement, prevent beam buffering vibration, then wrap up deadening felt, on the one hand attenuate acoustic energy, the another reinforcement insulation to folder unshakable in one's determination.
Embodiment
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) annealing in process is carried out to iron core: iron core is put into annealing furnace, open heater switch, when monitoring maximum temperature unshakable in one's determination and rising to 120 DEG C, open field ionization source and record and open the field ionization source time; The power supply that field ionization source anneals electromagnetic field for providing amorphous core, when monitoring minimum temperature unshakable in one's determination and rising to 200 DEG C, thermocouple thermometer is utilized to monitor temperature unshakable in one's determination, close heater switch, start to draw the temperature difference, the temperature difference is drawn to be utilize thermal inertia and ambient temperature, reduce the temperature contrast unshakable in one's determination in annealing furnace, record draws the temperature difference time started, draw the temperature time to be 1H, if monitor the temperature difference still >30 DEG C unshakable in one's determination after drawing temperature difference 1H, the temperature difference refers to the iron core that temperature is the highest and the minimum iron core of temperature, then pull on temperature, no longer than 1.5H; After La Wen terminates, open heater switch, 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 fire door, accelerate cooling unshakable in one's determination with axial blower fan, maximum temperature unshakable in one's determination is down to 150 DEG C, and 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 knock exterior sheathing unshakable in one's determination with iron hammer, then both sides unshakable in one's determination exterior sheathing is knocked to remove the stress existed between core lamination with iron hammer by bottom to top, when knocking from bottom unshakable in one's determination, through both sides to joint area unshakable in one's determination, joint area is firmly moderate in order to avoid damage joining seam unshakable in one's determination, the W value that electrical quantity general measuring instrument shows is noted when knocking, no longer decline after repeatedly repeating to make W value reach a minimum, W value is the loss value under rated voltage unshakable in one's determination.
(3) coil of the device body forming transformer is drawn close, insert the insulation of C shape, the insulation of C shape is a kind of insulating board, the similar letter C of shape, the main insulation crimped paper of coil must be turned down in the flange that be pressed in the insulation of C type when inserting, then adjustment bracket and coil, makes 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 same plane, the gap closing between the flange insulated by C type with U.S. line paper and coil;
(4) iron core is transported on assembling platen, pushes in coil, before iron core pushes and puts in place, place epoxy plate at the window's position of iron core, to facilitate iron core to push, then push-tight unshakable in one's determination is put in place, sheath unshakable in one's determination is pumped, according to the order of housing after first inside casing when iron core is inserted in after iron core pushes;
(5) baling press air hose is connected on quick union, 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 and adopts signode Tenax strap (company of Cigna of the U.S., code name 2040,, width 15.6mm, material PET). tied by device body with strap, afterbody approximately stays about 200 ~ 400mm; The overlapping part of binder must be fixed blade separately, unclamps stretcher; Pin tension switch until binder is tightened completely by hand thumb, with pinning vibroswitch until prick band to cut off also welding, the duration is about 2 ~ 3 seconds;
(6) every 50 ~ 80mm colligation together, 1500 ~ 2500N is about according to untanking mass different colligation drawstring tension force,
(7) after pass gets togather outermost one deck amorphous lamella, outside it, put beam, and tighten up outer field silicon steel sheet hasp, then cement fastener section with 3M adhesive tape, if hasp damages application 3M, tape-stripping is firm;
(8) after iron core all closes, the top and bottom of cleaning coil surface and amorphous core overlap, in case there is amorphous fragment to stay on coil;
(9) at lap-joint's brushing glass cement, glass cement adopts delight to reach glass cement, shutoff amorphous chip, if one deck iron core need at the even brushing glass cement of the upper and lower faying surface of iron core, if two-layer iron core, must at the upper faying surface of the lower floor of iron core faying surface and upper strata iron core up and down unshakable in one's determination, brushing glass cement;
(10) put clamp insulation, loaded onto by upper clamping piece and put in place, by bolted, the upset of device body is stood up by recycling driving, flows into next procedure after the assay was approved, completes whole operation.
Claims (1)
1. a device body manufacture method for oil-immersed type non-crystal alloy transformer, is characterized in that: comprise the following steps:
(1) annealing in process is carried out to iron core: iron core is put into annealing furnace, open heater switch, when monitoring maximum temperature unshakable in one's determination and rising to 120 DEG C, open field ionization source and record and open the field ionization source time; When monitoring minimum temperature unshakable in one's determination and rising to 200 DEG C, close heater switch, start to draw the temperature difference, record draws the temperature difference time started, draws the temperature time to be 1H, if monitor the temperature difference still >30 DEG C unshakable in one's determination after drawing temperature difference 1H, then pull on temperature, no longer than 1.5H; After La Wen terminates, open heater switch, heating and temperature control, at 335 ~ 345 DEG C, stops heating and thermal insulation 1H; Open fire door, accelerate cooling unshakable in one's determination with axial blower fan, maximum temperature unshakable in one's determination is down to 150 DEG C, and 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 knock exterior sheathing unshakable in one's determination with iron hammer, then knock both sides unshakable in one's determination exterior sheathing to remove the stress existed between core lamination with iron hammer by bottom to top, when knocking, note the W value that electrical quantity general measuring instrument shows, no longer decline after repeatedly repeating to make W value reach a minimum;
(3) coil of the device body forming transformer is drawn close, insert the insulation of C shape, must the turnover of the main insulation crimped paper of coil be pressed in the flange of C type insulation when inserting, then bracket and coil is adjusted, make all coils be in sustained height and end face keep in one plane, the lower surface of coil window and must be assembled platen and is positioned in same plane, the gap closing between the flange insulated by C type with U.S. line paper and coil;
(4) iron core is transported on assembling platen, pushes in coil, before iron core pushes and puts in place, place epoxy plate at the window's position of iron core, to facilitate iron core to push, then push-tight unshakable in one's determination is put in place, sheath unshakable in one's determination is pumped, according to the order of housing after first inside casing when iron core is inserted in after iron core pushes;
(5) baling press air hose is connected on quick union, prepares binder. tied by device body with strap, afterbody stays about 200 ~ 400mm; The overlapping part of binder must separate, and unclamps stretcher; Pin tension switch until binder is tightened completely, pin vibroswitch until prick band to cut off also welding, the duration is 2 ~ 3 seconds;
(6) every 50 ~ 80mm colligation together, be 1500 ~ 2500N according to untanking mass different colligation drawstring tension force,
(7) after pass gets togather outermost one deck amorphous lamella, outside it, put beam, and tighten up outer field silicon steel sheet hasp, then cement fastener section with adhesive tape, if hasp damages application of tape firm pasting;
(8) after iron core all closes, the top and bottom of cleaning coil surface and amorphous core overlap, in case there is amorphous fragment to stay on coil;
(9) at lap-joint's brushing glass cement, shutoff amorphous chip, if one deck iron core need at the even brushing glass cement of the upper and lower faying surface of iron core, if two-layer iron core, must at the upper faying surface of the lower floor of iron core faying surface and upper strata iron core up and down unshakable in one's determination, brushing glass cement;
(10) put clamp insulation, loaded onto by upper clamping piece and put in place, by bolted, 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108039272A (en) * | 2017-11-13 | 2018-05-15 | 江苏宏源电气有限责任公司 | A kind of assembly method for protecting oil immersed type amorphous transformer iron 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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| CN108039272A (en) * | 2017-11-13 | 2018-05-15 | 江苏宏源电气有限责任公司 | A kind of assembly method for protecting oil immersed type amorphous transformer iron core |
| 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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| CN104465058B (en) | 2017-01-11 |
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