CN104599820A - Water-cooled transformer for high-power medium-high frequency power supply - Google Patents
Water-cooled transformer for high-power medium-high frequency power supply Download PDFInfo
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- CN104599820A CN104599820A CN201510004439.6A CN201510004439A CN104599820A CN 104599820 A CN104599820 A CN 104599820A CN 201510004439 A CN201510004439 A CN 201510004439A CN 104599820 A CN104599820 A CN 104599820A
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Abstract
The invention relates to a water-cooled transformer for a high-power medium-high frequency power supply. The water-cooled transformer comprises an ultra-crystalline annular core, primary copper pipe windings and secondary copper pipe windings, wherein the primary copper pipe windings and the secondary copper pipe windings are evenly wound on the ultra-crystalline annular core; each set of primary copper pipe windings consists of U-shaped copper pipes of which the number is N1 and U-shaped connecting copper pipes of which the number is N1-1; each set of secondary copper pipe windings consists of U-shaped steel pipes of which the number is N2 and U-shaped connecting copper pipes of which the number is N2-1; the primary copper pipe windings and the secondary copper pipe windings are arranged alternately to form a transformer structure of which the no-load voltage ratio is n1/n2; annular colloidal silica is encapsulated by surrounding the ultra-crystalline annular core, the primary copper pipe windings and the secondary copper pipe windings. The water-cooled transformer can be widely applied to the high-power and large-current medium-high frequency power supply of which the output power reaches 5000kVA-50000kVA and the output current reaches 10000A-50000A.
Description
Technical field
The present invention relates to a kind of water-cooled high-power medium-high frequency power transformer, can be applicable to intermediate frequency induction heating power supply and high frequency switch power.
Background technology
Usually a kind of medium/high frequency transformer is used in medium-high frequency power supply, play the effect of electrical isolation and impedance matching, its structure comprises toroidal core, input winding is around on toroidal core, the outside that copper pipe and copper bar are coated on toroidal core forms outer ring and inner ring with middle, and copper pipe and copper bar form the output winding of every platform medium/high frequency transformer.The shortcoming of the medium/high frequency transformer of said structure is: the output winding of toroidal core, input winding, copper pipe and copper coin composition is under the operating mode of low-voltage, high-current, structure, processed complex, cost is high, and the output heating in winding amount of toroidal core, input winding, copper pipe and copper coin composition is large, by natural cooling, air-cooled or water-cooled, poor to toroidal core, input winding cooling effect.And because of the restriction requirement of low-voltage, high-current when being applied to high power switching power supply current switch transformer, often adopt multiple transformer to carry out connection in series-parallel and meet instructions for use, structure takes up room greatly, and this structure magnetic circuit is open, input windings in series time line long, can around space produce High-frequency Interference magnetic field, have influence on the reliability of equipment and disturb other electronic equipment.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and possess anti-electromagnetic interference capability and the good water-cooled high-power medium-high frequency power transformer of cooling effect.
For solving the problem, the technical solution used in the present invention is: water-cooled high-power medium-high frequency power transformer, comprise: ultracrystallite annular core, uniform ring are around in elementary copper pipe winding on ultracrystallite annular core and secondary copper pipe winding, describedly often organize elementary copper pipe winding and be made up of the U-shaped connecting copper pipe of quantity to be the U-shaped copper pipe of N1 and quantity be N1-1, requirement according to transformer combined closure system and no-load voltage ratio arranges the spaced apart elementary copper pipe winding of n1 group, and the extraction copper pipe of the elementary copper pipe winding of n1 group joins end to end and forms the cooling water channel of one-in-and-one-out; Describedly often organize secondary copper pipe winding and be made up of the U-shaped connecting copper pipe of quantity to be the U-shaped copper pipe of N2 and quantity be N2-1, requirement according to transformer combined closure system and no-load voltage ratio arranges the spaced apart secondary copper pipe winding of n2 group, and the extraction copper pipe of the secondary copper pipe winding of n2 group joins end to end and forms the cooling water channel of one-in-and-one-out; Elementary copper pipe winding and the spaced layout of secondary copper pipe winding, forming no-load voltage ratio is the transformer device structure of n1/n2; Around the colloidal silica of ultracrystallite annular core, elementary copper pipe winding and secondary copper pipe encapsulating winding annular.
The Same Name of Ends of described elementary copper pipe winding is connected in parallel by annular copper bar, annular copper bar assembles electrical connecting terminal copper bar, form input and the output of primary, the Same Name of Ends of secondary copper pipe winding is connected in parallel by annular copper bar, annular copper bar assembles electrical connecting terminal copper bar, forms input and the output of transformer secondary output.
The invention has the beneficial effects as follows: significantly reduce volume, compact conformation when the transformer of said structure is used for high-power low-voltage, high-current structure, process implementing is convenient.Transformer device structure forms circular closure magnetic circuit, and externally interference is little, and Electro Magnetic Compatibility is good.Armature winding and the secondary winding of transformer are spaced, and be arranged in equably on the nanocrystalline alloy cores of annular, coupling effect is good, and leakage field is little, and current-sharing is effective.Wherein armature winding and time pole winding are all made up of the copper pipe by cooling water, and copper pipe had both played current-carrying effect, also played cooling effect, transformer good heat dissipation effect.Fill completely with the space of Embedding Material by toroidal core, armature winding and secondary winding, play fixing, gain in strength and the effect of insulate isolation, noise decrease, and heat conduction is even, and radiating effect is better.The present invention can make the power output of the medium-high frequency power supply of this transformer device structure of application reach 5000kVA ~ 50000kVA, and output current reaches 10000A ~ 50000A.
Accompanying drawing explanation
Fig. 1 is the coiling schematic diagram of transformer of the present invention;
Fig. 2 is the upward view of the elementary coiling of transformer of the present invention;
Fig. 3 is the cutaway view of the elementary coiling of transformer of the present invention;
Fig. 4 is the upward view of the secondary coiling of transformer of the present invention;
Fig. 5 is the cutaway view of the secondary coiling of transformer of the present invention;
Fig. 6 is the elementary coiling of transformer of the present invention and the upward view of the spaced layout of secondary winding;
Fig. 7 is the elementary coiling of transformer of the present invention and the cutaway view of the spaced layout of secondary winding;
Fig. 8 is the upward view after transformer embedding of the present invention;
Fig. 9 is the end view after transformer embedding of the present invention;
In figure: 1, ultracrystallite annular core, 31, first U-shaped copper pipe, 32, first U-shaped connecting copper pipe, 33, 34, first draws copper pipe, 35, 36, first copper pipe, 341, 342, the copper pipe of the first band water nozzle, 61, second U-shaped copper pipe, 62, second U-shaped connecting copper pipe, 63, 64, second draws copper pipe, 65, 66, second copper pipe, 641, 642, the copper pipe of the second band water nozzle, 21, annular copper bar, 22, annular copper bar, 23, electrical connecting terminal copper bar, 24, electrical connecting terminal copper bar, 41, annular copper bar, 42, annular copper bar, 43, electrical connecting terminal copper bar, 44, electrical connecting terminal copper bar, 7, colloidal silica.
Embodiment
Below by specific embodiment, water-cooled high-power medium-high frequency power transformer of the present invention is described in further detail.
As shown in Figure 1, in the present embodiment, the principle of described water-cooled high-power medium-high frequency power transformer, diagram A1a1 is primary winding coil, be made up of with ordering to hold to be connected in parallel some elementary group of coils, diagram B1b1 is secondary winding, is also made up of with ordering to hold to be connected in parallel some groups of secondary coils.2 groups of coils share one group of iron core.
As Fig. 6, shown in Fig. 7, in the present embodiment, described water-cooled high-power medium-high frequency power transformer comprises: comprising: ultracrystallite annular core 1, uniform ring is around in elementary copper pipe winding on ultracrystallite annular core 1 and secondary copper pipe winding, as Fig. 2, shown in Fig. 3, the first U-shaped connecting copper pipe 32 of quantity to be the first U-shaped copper pipe 31 of N1 and quantity be N1-1 forms one group of elementary copper pipe winding, requirement according to transformer combined closure system and no-load voltage ratio arranges the spaced apart elementary copper pipe winding of n1 group, first of the elementary copper pipe winding of n1 group draws copper pipe 33, 34 by the first copper pipe 35, 36 join end to end forms the cooling water channel of one-in-and-one-out, the copper pipe 341 of the first band water nozzle, 342 water routes being respectively one-in-and-one-out, for connecting water pipe, as shown in Figure 4, Figure 5, the second U-shaped connecting copper pipe 62 of quantity to be the second U-shaped copper pipe 61 of N2 and quantity be N2-1 forms one group of secondary copper pipe winding, requirement according to transformer combined closure system and no-load voltage ratio arranges the spaced apart secondary copper pipe winding of n2 group, second extraction copper pipe 63,64 of the secondary copper pipe winding of n2 group is joined end to end by the second copper pipe 65,66 and forms the cooling water channel of one-in-and-one-out, the copper pipe 641,642 of the second band water nozzle is respectively the water route of one-in-and-one-out, for connecting water pipe, elementary copper pipe winding and the spaced layout of secondary copper pipe winding, forming no-load voltage ratio is the transformer device structure of n1/n2.Around the colloidal silica 7 of ultracrystallite annular core 1, elementary copper pipe winding and secondary copper pipe encapsulating winding annular.
As shown in Figure 8, Figure 9, the initial Same Name of Ends of elementary copper pipe winding is connected in parallel by annular copper bar 21, and be welded with electrical connecting terminal copper bar 23, form the input of primary, elementary copper pipe winding end Same Name of Ends is connected in parallel by annular copper bar 22, and be welded with electrical connecting terminal copper bar 24, form the output of primary; The initial Same Name of Ends of secondary copper pipe winding is connected in parallel by annular copper bar 41, and be welded with electrical connecting terminal copper bar 43, form the input of transformer secondary output, secondary copper pipe winding end Same Name of Ends is connected in parallel by annular copper bar 42, and be welded with electrical connecting terminal copper bar 44, form the output of primary;
The water-cooled high-power high frequency electric source transformer connecting structure of said structure is simple, easy to use, good cooling results, ampacity is large, electromagnetic interference is little, can be applicable to high-power medium-high frequency power supply, especially power output reaches 5000kVA ~ 50000kVA, and output current reaches the high-power medium-high frequency power supply of 10000A ~ 50000A.
The above embodiments are the principle of illustrative the invention and effect thereof only, and the embodiment that part is used, but not for limiting the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (2)
1. water-cooled high-power medium-high frequency power transformer, comprise: ultracrystallite annular core, uniform ring are around in elementary copper pipe winding on ultracrystallite annular core and secondary copper pipe winding, it is characterized in that: describedly often organize elementary copper pipe winding and be made up of the U-shaped connecting copper pipe of quantity to be the U-shaped copper pipe of N1 and quantity be N1-1, requirement according to transformer combined closure system and no-load voltage ratio arranges the spaced apart elementary copper pipe winding of n1 group, and the extraction copper pipe of the elementary copper pipe winding of n1 group joins end to end and forms the cooling water channel of one-in-and-one-out; Describedly often organize secondary copper pipe winding and be made up of the U-shaped connecting copper pipe of quantity to be the U-shaped copper pipe of N2 and quantity be N2-1, requirement according to transformer combined closure system and no-load voltage ratio arranges the spaced apart secondary copper pipe winding of n2 group, and the extraction copper pipe of the secondary copper pipe winding of n2 group joins end to end and forms the cooling water channel of one-in-and-one-out; Elementary copper pipe winding and the spaced layout of secondary copper pipe winding, forming no-load voltage ratio is the transformer device structure of n1/n2; Around the colloidal silica of ultracrystallite annular core, elementary copper pipe winding and secondary copper pipe encapsulating winding annular.
2. water-cooled high-power medium-high frequency power transformer according to claim 1, it is characterized in that: the Same Name of Ends of described elementary copper pipe winding is connected in parallel by annular copper bar, annular copper bar assembles electrical connecting terminal copper bar, form input and the output of primary, the Same Name of Ends of secondary copper pipe winding is connected in parallel by annular copper bar, annular copper bar assembles electrical connecting terminal copper bar, forms input and the output of transformer secondary output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004439.6A CN104599820A (en) | 2015-01-06 | 2015-01-06 | Water-cooled transformer for high-power medium-high frequency power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004439.6A CN104599820A (en) | 2015-01-06 | 2015-01-06 | Water-cooled transformer for high-power medium-high frequency power supply |
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| CN104599820A true CN104599820A (en) | 2015-05-06 |
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| CN201510004439.6A Pending CN104599820A (en) | 2015-01-06 | 2015-01-06 | Water-cooled transformer for high-power medium-high frequency power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686544A (en) * | 2019-01-24 | 2019-04-26 | 上海波卉电源科技有限公司 | A kind of high-power multi-tap high frequency transformer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297665A (en) * | 1979-08-06 | 1981-10-27 | Paton Boris E | Doughnut-type transformer for resistance butt welding |
| US5097241A (en) * | 1989-12-29 | 1992-03-17 | Sundstrand Corporation | Cooling apparatus for windings |
| CN2773871Y (en) * | 2004-12-03 | 2006-04-19 | 中山市怡能电气有限公司 | High-frequency switching transformer |
| CN101364471A (en) * | 2007-08-08 | 2009-02-11 | 深圳市宝安联华实业有限公司 | Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method |
| CN101752064A (en) * | 2008-12-09 | 2010-06-23 | 张家港市东方四通科技有限公司 | Winding structure for secondary and primary coil of high-power medium-frequency transformer |
| CN101752072A (en) * | 2008-12-09 | 2010-06-23 | 张家港市东方四通科技有限公司 | High-power medium-frequency transformer |
| CN103680880A (en) * | 2012-09-18 | 2014-03-26 | 天津市信诺创能科技发展有限公司 | High-power high-frequency transformer |
| CN204029567U (en) * | 2014-09-04 | 2014-12-17 | 台力电气有限公司 | Water-cooled transformer |
| CN204407152U (en) * | 2015-01-06 | 2015-06-17 | 江苏东方四通科技股份有限公司 | Water-cooled high-power medium-high frequency power transformer |
-
2015
- 2015-01-06 CN CN201510004439.6A patent/CN104599820A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297665A (en) * | 1979-08-06 | 1981-10-27 | Paton Boris E | Doughnut-type transformer for resistance butt welding |
| US5097241A (en) * | 1989-12-29 | 1992-03-17 | Sundstrand Corporation | Cooling apparatus for windings |
| CN2773871Y (en) * | 2004-12-03 | 2006-04-19 | 中山市怡能电气有限公司 | High-frequency switching transformer |
| CN101364471A (en) * | 2007-08-08 | 2009-02-11 | 深圳市宝安联华实业有限公司 | Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method |
| CN101752064A (en) * | 2008-12-09 | 2010-06-23 | 张家港市东方四通科技有限公司 | Winding structure for secondary and primary coil of high-power medium-frequency transformer |
| CN101752072A (en) * | 2008-12-09 | 2010-06-23 | 张家港市东方四通科技有限公司 | High-power medium-frequency transformer |
| CN103680880A (en) * | 2012-09-18 | 2014-03-26 | 天津市信诺创能科技发展有限公司 | High-power high-frequency transformer |
| CN204029567U (en) * | 2014-09-04 | 2014-12-17 | 台力电气有限公司 | Water-cooled transformer |
| CN204407152U (en) * | 2015-01-06 | 2015-06-17 | 江苏东方四通科技股份有限公司 | Water-cooled high-power medium-high frequency power transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686544A (en) * | 2019-01-24 | 2019-04-26 | 上海波卉电源科技有限公司 | A kind of high-power multi-tap high frequency transformer |
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Application publication date: 20150506 |