CN103413663B - A kind of high-power high-frequency high-voltage rectifier transformer - Google Patents

A kind of high-power high-frequency high-voltage rectifier transformer Download PDF

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Publication number
CN103413663B
CN103413663B CN201310375254.7A CN201310375254A CN103413663B CN 103413663 B CN103413663 B CN 103413663B CN 201310375254 A CN201310375254 A CN 201310375254A CN 103413663 B CN103413663 B CN 103413663B
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iron core
pressure winding
insulating barrier
winding
low pressure
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CN103413663A (en
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王秀琳
蒋根才
朱志勇
马亮
梁从庆
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YANCHENG ZHENGBANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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YANCHENG ZHENGBANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

The invention discloses a kind of high-power high-frequency high-voltage rectifier transformer, containing cored, high pressure winding, rectifier bridge, low pressure winding and fuel tank, also containing bracing frame, described iron core at least two, iron core is successively set on bracing frame, spacing is left between adjacent iron cores, described high voltage winding group is wrapped on each iron core respectively, and be connected with the rectifier bridge matched, the output of each rectifier bridge exports after connecting successively, described low pressure winding is worn around in each iron core hole, insulating barrier is provided with between the high pressure winding that described adjacent iron cores is wound around, another insulating barrier is provided with between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank.This transformer can avoid the generation of the very high phenomenon of local temperature rise, thus reduces the aging speed of material, extends the useful life of transformer oil, also extends the useful life of transformer simultaneously.

Description

A kind of high-power high-frequency high-voltage rectifier transformer
Art
The present invention relates to a kind of high-power high-frequency high-voltage rectifier transformer.
Background technology
Existing a kind of high-power high-frequency high-voltage rectifier transformer for electric cleaner, containing cored, low pressure winding, high pressure winding, rectifier bridge and oil tank of transformer.Iron core adopts the rectangular iron oxysome or producing ultra microcrystal voltage transformer iron core that contain long limit and minor face, the wide Copper Foil of low pressure winding divides on two groups of equidirectional two low-voltage frameworks be around on the long limit of iron core, the high pressure sub-winding of the half quantity in high pressure winding is wound on a high voltage ring skeleton successively, the high pressure sub-winding of second half quantity in high pressure winding is successively around on another high voltage ring skeleton, two high voltage ring skeletons are set on two low pressure windings, each high pressure sub-winding in high pressure winding is connected with the input of rectifier bridge supporting separately respectively, the output of each rectifier bridge connect successively after the positive pressure side that exports of transformer be connected with transformer case, the negative pressure end that transformer exports is connected with high-voltage output end.In above-mentioned transformer, because high pressure winding and low pressure winding multiple-layer stacked are on same iron core, not only winding loss is large, the effect of proximity effect is obvious, and the heat that high and low pressure coil windings sends not easily sheds, therefore around iron core, heating is concentrated, and occurs the phenomenon that transformer local temperature rise is very high, this not only accelerates the aging of material, affects the useful life of transformer oil; And shorten the life cycle of transformer.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of high-power high-frequency high-voltage rectifier transformer, this transformer can avoid the generation of the very high phenomenon of local temperature rise, thus reduce the aging speed of material, extend the useful life of transformer oil, also extend the useful life of transformer simultaneously.
For solving the problems of the technologies described above, a kind of high-power high-frequency high-voltage rectifier transformer of the present invention, containing cored, high pressure winding, rectifier bridge, low pressure winding and fuel tank, also containing bracing frame, described iron core at least two, iron core is successively set on bracing frame, spacing is left between adjacent iron cores, described high voltage winding group is wrapped on each iron core respectively, and be connected with the rectifier bridge matched, the output of each rectifier bridge exports after connecting successively, described low pressure winding is worn around in each iron core hole, insulating barrier is provided with between the high pressure winding that described adjacent iron cores is wound around, another insulating barrier is provided with between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank.
Described iron core is rectangle or ring transformer cores.
The material of described iron core is producing ultra microcrystal voltage transformer iron core.
The spacing stayed between described adjacent iron cores is identical.
Described wearing keeps spacing around the low pressure winding in each iron core hole and between each iron core described.
Another insulating barrier be provided with between described high pressure winding and low pressure winding is the insulating barrier of tubular structure, and the insulating barrier of this tubular structure is sleeved in the centre bore of each iron core described.
Another insulating barrier be provided with between described high pressure winding and low pressure winding is the insulating barrier of tubular structure and the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of each iron core described, and the insulating barrier of this tubular structure is sleeved on and is positioned on the low pressure winding of each iron core periphery.
A kind of high-power high-frequency high-voltage rectifier transformer of the present invention, containing cored, high pressure winding, rectifier bridge, low pressure winding and fuel tank, also containing bracing frame, described iron core at least two, iron core is successively set on bracing frame, spacing is left between adjacent iron cores, described high voltage winding group is wrapped on each iron core respectively, be connected with the rectifier bridge matched after high pressure windings in series on each iron core described, described low pressure winding is worn around in each iron core hole, insulating barrier is provided with between the high pressure winding that described adjacent iron cores is wound around, another insulating barrier is provided with between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank.
In above-mentioned high-power high-frequency high-voltage rectifier transformer, owing to have employed at least two iron cores, therefore total core cross section is large, and primary and secondary umber of turn is few, and the number of plies is also few, and be generally one deck, the effect of winding proximity effect is little, and winding loss greatly reduces; Owing to adopting distributed frame, not only to generate heat dispersion, surface loading is little, and temperature rise is low, and and cooling media, as transformer oil directly contacts, therefore good heat dissipation effect, thus the generation overcoming the very high phenomenon of prior art local temperature rise, because this reducing the aging speed of material, extend the useful life of transformer oil, also extend the useful life of transformer simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-power high-frequency high-voltage rectifier transformer first of the present invention example.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of a kind of high-power high-frequency high-voltage rectifier transformer second of the present invention example
Fig. 4 is the electric diagram of the first embodiment.
Fig. 5 is the electric diagram of the second embodiment.
Embodiment
In Fig. 1 and Fig. 2, a kind of high-power high-frequency high-voltage rectifier transformer, containing cored, high pressure winding, rectifier bridge, low pressure winding 1.Described high-power high-frequency high-voltage rectifier transformer is also containing bracing frame 5, described iron core at least two, in the present first embodiment, iron core adopts four, be the first iron core 15, second iron core 13, the 3rd iron core 11 and the 4th iron core 9, these iron cores are rectangle or annular producing ultra microcrystal voltage transformer iron core.First iron core 15, second iron core 13, the 3rd iron core 11 and the 4th iron core 9 are successively set on bracing frame 5.In the first iron core 15, second iron core 13, the 3rd iron core 11 and the 4th iron core 9, between adjacent iron cores, leave spacing.Described high pressure winding presses sub-winding 12 and the 4th high pressure sub-winding 10 to form by the first high pressure sub-winding 16, second high pressure sub-winding 14, third high, and the first high pressure sub-winding 16, second high pressure sub-winding 14, third high pressure sub-winding 12 and the 4th high pressure sub-winding 10 are wrapped on the first iron core 15, second iron core 13, the 3rd iron core 11 and the 4th iron core 9 respectively.First high pressure sub-winding 16, second high pressure sub-winding 14, the sub-winding 12 of third high pressure are connected with the 4th rectifier bridge 8 with the first rectifier bridge 4, second rectifier bridge 6 matched, the 3rd rectifier bridge 7 respectively with the 4th high pressure sub-winding 10.The output of the first rectifier bridge 4, second rectifier bridge 6, the 3rd rectifier bridge 7 and the 4th rectifier bridge 8 exports after connecting successively.Described low pressure winding 1 is worn around in the first iron core 15, second iron core 13, the 3rd iron core 11 and the 4th iron core 9 hole, and the end of incoming cables of low pressure winding 1 is 2, and this end of incoming cables 2 is connected with inverter.In described first high pressure sub-winding 16, second high pressure sub-winding 14, third high pressure sub-winding 12 and the 4th high pressure sub-winding 10, between adjacent high pressure sub-winding, be provided with insulating barrier 3.Another insulating barrier is provided with between described high pressure winding and low pressure winding 1.Support frame as described above 5 is arranged in fuel tank, not shown in the figures.In first iron core 15, second iron core 13, the 3rd iron core 11 and the 4th iron core 9, the spacing stayed between adjacent iron cores is identical.Described wearing keeps spacing around the low pressure winding 1 in each iron core hole and between each iron core described.Another insulating barrier be provided with between described high pressure winding and low pressure winding 1 is the insulating barrier 18 of tubular structure, or be the insulating barrier 18 of tubular structure and the insulating barrier 17 of tubular structure, as shown in Figure 2, the insulating barrier 18 of tubular structure is sleeved in the centre bore of each iron core described, and the insulating barrier 17 of tubular structure is sleeved on and is positioned on the low pressure winding 1 of each iron core periphery.As another embodiment of the invention, as shown in Figure 3, distinguish with above-mentioned execution mode and be: after the first high pressure sub-winding 16, second high pressure sub-winding 14, third high press sub-winding 12 and the 4th high pressure sub-winding 10 to connect, then be connected with rectifier bridge 19.In above-mentioned high-power high-frequency high-voltage rectifier transformer, owing to have employed at least two iron cores, therefore total core cross section is large, and primary and secondary umber of turn is few, and the winding number of plies is few, is generally one deck, and the effect of proximity effect is little, and winding loss greatly reduces; Owing to adopting distributed frame, not only to generate heat dispersion, surface loading is little, and temperature rise is low, and and cooling media, as transformer oil directly contacts, therefore good heat dissipation effect, thus the generation overcoming the very high phenomenon of prior art local temperature rise, because this reducing the aging speed of material, extend the useful life of transformer oil, also extend the useful life of transformer simultaneously.

Claims (12)

1. a high-power high-frequency high-voltage rectifier transformer, containing cored, high pressure winding, rectifier bridge, low pressure winding and fuel tank, it is characterized in that: also containing bracing frame, described iron core at least two, iron core is successively set on bracing frame, spacing is left between adjacent iron cores, described high voltage winding group is wrapped on each iron core respectively, and be connected with the rectifier bridge matched, the output of each rectifier bridge exports after connecting successively, described low pressure winding is worn around in the hole of each iron core, insulating barrier is provided with between the high pressure winding that described adjacent iron cores is wound around, another insulating barrier is provided with between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank, described iron core is rectangle or ring transformer cores.
2. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, is characterized in that: the material of described iron core is producing ultra microcrystal voltage transformer iron core.
3. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, is characterized in that: the spacing stayed between described adjacent iron cores is identical.
4. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, is characterized in that: described in wear and keep spacing around the low pressure winding in the hole of each iron core and between each iron core described.
5. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, it is characterized in that: another insulating barrier be provided with between described high pressure winding and low pressure winding is the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of each iron core described.
6. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, it is characterized in that: another insulating barrier be provided with between described high pressure winding and low pressure winding is the insulating barrier of tubular structure and the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of each iron core described, and the insulating barrier of this tubular structure is sleeved on and is positioned on the low pressure winding of each iron core periphery.
7. a high-power high-frequency high-voltage rectifier transformer, containing cored, high pressure winding, rectifier bridge, low pressure winding and fuel tank, it is characterized in that: also containing bracing frame, described iron core at least two, iron core is successively set on bracing frame, spacing is left between adjacent iron cores, described high voltage winding group is wrapped on each iron core respectively, be connected with the rectifier bridge matched after high pressure windings in series on each iron core described, described low pressure winding is worn around in the hole of each iron core, insulating barrier is provided with between the high pressure winding that described adjacent iron cores is wound around, another insulating barrier is provided with between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank, described iron core is rectangle or ring transformer cores.
8. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 7, is characterized in that: the material of described iron core is producing ultra microcrystal voltage transformer iron core.
9. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 7, is characterized in that: the spacing stayed between described adjacent iron cores is identical.
10. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 7, is characterized in that: described in wear and keep spacing around the low pressure winding in the hole of each iron core and between each iron core described.
11. a kind of high-power high-frequency high-voltage rectifier transformers according to claim 7, it is characterized in that: another insulating barrier be provided with between described high pressure winding and low pressure winding is the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of each iron core described.
12. a kind of high-power high-frequency high-voltage rectifier transformers according to claim 7, it is characterized in that: another insulating barrier be provided with between described high pressure winding and low pressure winding is the insulating barrier of tubular structure and the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of each iron core described, and the insulating barrier of this tubular structure is sleeved on and is positioned on the low pressure winding of each iron core periphery.
CN201310375254.7A 2013-08-27 2013-08-27 A kind of high-power high-frequency high-voltage rectifier transformer Active CN103413663B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428045B (en) * 2015-12-21 2017-02-22 银川欣安瑞电气有限公司 high-frequency water-cooled transformer
CN105632712B (en) * 2015-12-31 2017-08-25 合肥雷科电子科技有限公司 A kind of high-frequency and high-voltage high-power rectifier transformer
CN105826065B (en) * 2016-04-23 2019-08-13 惠州永锋纳米科技有限公司 A kind of method and device thereof increasing transformer output power

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201515318U (en) * 2009-10-15 2010-06-23 厦门市天源兴环保科技有限公司 Two-column high-voltage winding overlaying connection structure
CN102290222A (en) * 2011-04-28 2011-12-21 南京国电环保设备有限公司 High-power, high-frequency and high-voltage rectifier transformer
CN202339809U (en) * 2011-11-23 2012-07-18 杭州天明电子有限公司 Low-loss large-power high-frequency and high-voltage rectifier transformer for electrostatic precipitator
CN203386601U (en) * 2013-08-27 2014-01-08 盐城正邦环保科技有限公司 Large-power high-frequency high-voltage rectifier transformer

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JP4606942B2 (en) * 2005-05-25 2011-01-05 株式会社日立産機システム Winding core manufacturing equipment

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN201515318U (en) * 2009-10-15 2010-06-23 厦门市天源兴环保科技有限公司 Two-column high-voltage winding overlaying connection structure
CN102290222A (en) * 2011-04-28 2011-12-21 南京国电环保设备有限公司 High-power, high-frequency and high-voltage rectifier transformer
CN202339809U (en) * 2011-11-23 2012-07-18 杭州天明电子有限公司 Low-loss large-power high-frequency and high-voltage rectifier transformer for electrostatic precipitator
CN203386601U (en) * 2013-08-27 2014-01-08 盐城正邦环保科技有限公司 Large-power high-frequency high-voltage rectifier transformer

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