CN203386601U - Large-power high-frequency high-voltage rectifier transformer - Google Patents
Large-power high-frequency high-voltage rectifier transformer Download PDFInfo
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- CN203386601U CN203386601U CN201320522583.5U CN201320522583U CN203386601U CN 203386601 U CN203386601 U CN 203386601U CN 201320522583 U CN201320522583 U CN 201320522583U CN 203386601 U CN203386601 U CN 203386601U
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- iron core
- pressure winding
- insulating barrier
- voltage
- low pressure
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Abstract
The utility model discloses a large-power high-frequency high-voltage rectifier transformer. The large-power high-frequency high-voltage rectifier transformer comprises iron cores, high-voltage windings, rectifier bridges, low-voltage windings and an oil box and further comprises a supporting frame, wherein the iron cores are at least two in number and are sequentially arranged on the supporting frame, a gap is formed between every two adjacent iron cores, the iron cores are wound by the high-voltage windings respectively, and the high-voltage windings are connected with the rectifier bridges matched with the high-voltage windings. The output ends of the rectifier bridges are sequentially connected in series to achieve output, the low-voltage windings penetrate through iron core holes in a wound mode, an insulation layer is arranged between every two high-voltage windings which wound on the adjacent iron cores, another insulation layer is arranged between each high-voltage winding and each low-voltage winding, and supporting frame is arranged in the oil box. The large-power high-frequency high-voltage rectifier transformer can avoid the phenomenon that local temperature rises very high, thereby slowing aging speed of material, and prolonging service life of transformer oil; meanwhile, service life of the transformer is prolonged.
Description
Affiliated technical field
The utility model 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 rectangular iron oxysome or the producing ultra microcrystal voltage transformer iron core that contains long limit and minor face, the low pressure winding divides on two groups of equidirectional two low-voltage frameworks that are around on the long limit of iron core with wide Copper Foil, the high pressure sub-winding of half quantity in the high pressure winding is wound on a high voltage ring skeleton successively, the high pressure sub-winding of second half quantity in the high pressure winding is successively on another high voltage ring skeleton, two high voltage ring skeletons are set on two low pressure windings, each high pressure sub-winding in the high pressure winding is connected with the input of supporting separately rectifier bridge respectively, the positive pressure side of the transformer output after the output of each rectifier bridge is connected successively is connected with transformer case, the negative pressure end of transformer output is connected with high-voltage output end.In above-mentioned transformer, due to high pressure winding and low pressure winding multiple-layer stacked on same iron core, not only winding loss is large, the effect of proximity effect is obvious, and the heat that the high and low pressure coil windings is sent is difficult for shedding, therefore around iron core, heating is concentrated, and the very high phenomenon of the local temperature rise of transformer occurs, this has not only accelerated the aging of material, affects the useful life of transformer oil; And the life cycle of shortening transformer.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of high-power high-frequency high-voltage rectifier transformer, this transformer can be avoided the generation of the very high phenomenon of local temperature rise, thereby reduced the aging speed of material, extended the useful life of transformer oil, also extended 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 utility model, containing cored, the high pressure winding, rectifier bridge, low pressure winding and fuel tank, also contain bracing frame, at least two of described iron cores, iron core is successively set on bracing frame, leave spacing between adjacent iron core, described high voltage winding group is wrapped in respectively on each iron core, and be connected with the rectifier bridge matched, the output of each rectifier bridge rear output of connecting successively, described low pressure winding is worn in each iron core hole, be provided with insulating barrier between the high pressure winding be wound around on described adjacent iron core, be provided with another insulating barrier 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 of staying between described adjacent iron core is identical.
Described wearing between the low pressure winding in each iron core hole and described each iron core keeps spacing.
The insulating barrier that another insulating barrier be provided with between described high pressure winding and low pressure winding is tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of described each iron core.
The insulating barrier that another insulating barrier be provided with between described high pressure winding and low pressure winding is tubular structure and the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of described each iron core, and the insulating barrier of this tubular structure is sleeved on the low pressure winding that is positioned at each iron core periphery.
A kind of high-power high-frequency high-voltage rectifier transformer of the utility model, containing cored, the high pressure winding, rectifier bridge, low pressure winding and fuel tank, also contain bracing frame, at least two of described iron cores, iron core is successively set on bracing frame, leave spacing between adjacent iron core, described high voltage winding group is wrapped in respectively on each iron core, after high pressure windings in series on described each iron core, with the rectifier bridge matched, be connected, described low pressure winding is worn in each iron core hole, be provided with insulating barrier between the high pressure winding be wound around on described adjacent iron core, be provided with another insulating barrier 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 having adopted at least two iron cores, therefore total magnetic core cross section is large, and primary and secondary umber of turn is few, and the number of plies is also few, is generally one deck, and the effect of winding proximity effect is little, and winding loss greatly reduces; Owing to adopting distributed frame, not only heating disperses, surface loading is little, and temperature rise is low, and and cooling media, as transformer oil directly contacts, therefore good heat dissipation effect, thus overcome the generation of the very high phenomenon of prior art local temperature rise, therefore reduced the aging speed of material, extend the useful life of transformer oil, also extended the useful life of transformer simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-power high-frequency high-voltage rectifier transformer the first example of the utility model.
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 the second example of the utility model
Fig. 4 is the electric sketch of the first embodiment.
Fig. 5 is the electric sketch 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 also contains bracing frame 5, at least two of described iron cores, in this first embodiment, iron core adopts four, be the first iron core 15, the 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.The first iron core 15, the 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, the second iron core 13, the 3rd iron core 11 and the 4th iron core 9, between adjacent iron core, 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, the second high pressure sub-winding 14, third high, and the first high pressure sub-winding 16, the second high pressure sub-winding 14, third high press sub-winding 12 and the 4th high pressure sub-winding 10 to be wrapped in respectively on the first iron core 15, the second iron core 13, the 3rd iron core 11 and the 4th iron core 9.The first high pressure sub-winding 16, the second high pressure sub-winding 14, third high press sub-winding 12 to be connected with the 4th rectifier bridge 8 with the first rectifier bridge 4, the second rectifier bridge 6, the 3rd rectifier bridge 7 that match respectively with the 4th high pressure sub-winding 10.The output of the first rectifier bridge 4, the second rectifier bridge 6, the 3rd rectifier bridge 7 and the 4th rectifier bridge 8 rear output of connecting successively.Described low pressure winding 1 is worn in the first iron core 15, the second iron core 13, the 3rd iron core 11 and the 4th iron core 9 holes, and the end of incoming cables of low pressure winding 1 is 2, and this end of incoming cables 2 is connected with inverter.Described the first high pressure sub-winding 16, the second high pressure sub-winding 14, third high are pressed in sub-winding 12 and the 4th high pressure sub-winding 10, between adjacent high pressure sub-winding, are provided with insulating barrier 3.Be provided with another insulating barrier 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 the first iron core 15, the second iron core 13, the 3rd iron core 11 and the 4th iron core 9, the spacing of staying between adjacent iron core is identical.Described wearing between the low pressure winding 1 in each iron core hole and described each iron core keeps spacing.The insulating barrier 18 that another insulating barrier be provided with between described high pressure winding and low pressure winding 1 is 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 described each iron core, and the insulating barrier 17 of tubular structure is sleeved on the low pressure winding 1 that is positioned at each iron core periphery.As another kind of execution mode of the present utility model, as shown in Figure 3, with above-mentioned execution mode difference, be: after the first high pressure sub-winding 16, the 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 having adopted at least two iron cores, therefore total magnetic 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 heating disperses, surface loading is little, and temperature rise is low, and and cooling media, as transformer oil directly contacts, therefore good heat dissipation effect, thus overcome the generation of the very high phenomenon of prior art local temperature rise, therefore reduced the aging speed of material, extend the useful life of transformer oil, also extended the useful life of transformer simultaneously.
Claims (14)
1. a high-power high-frequency high-voltage rectifier transformer, containing cored, the high pressure winding, rectifier bridge, low pressure winding and fuel tank, it is characterized in that: also contain bracing frame, at least two of described iron cores, iron core is successively set on bracing frame, leave spacing between adjacent iron core, described high voltage winding group is wrapped in respectively on each iron core, and be connected with the rectifier bridge matched, the output of each rectifier bridge rear output of connecting successively, described low pressure winding is worn in each iron core hole, be provided with insulating barrier between the high pressure winding be wound around on described adjacent iron core, be provided with another insulating barrier between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank.
2. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, it is characterized in that: described iron core is rectangle or ring transformer cores.
3. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 2, it is characterized in that: the material of described iron core is producing ultra microcrystal voltage transformer iron core.
4. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, it is characterized in that: the spacing of staying between described adjacent iron core is identical.
5. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1 is characterized in that: described wearing between the low pressure winding in each iron core hole and described each iron core keeps spacing.
6. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, it is characterized in that: the insulating barrier that another insulating barrier be provided with between described high pressure winding and low pressure winding is tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of described each iron core.
7. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 1, it is characterized in that: the insulating barrier that another insulating barrier be provided with between described high pressure winding and low pressure winding is tubular structure and the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of described each iron core, and the insulating barrier of this tubular structure is sleeved on the low pressure winding that is positioned at each iron core periphery.
8. a high-power high-frequency high-voltage rectifier transformer, containing cored, the high pressure winding, rectifier bridge, low pressure winding and fuel tank, it is characterized in that: also contain bracing frame, at least two of described iron cores, iron core is successively set on bracing frame, leave spacing between adjacent iron core, described high voltage winding group is wrapped in respectively on each iron core, after high pressure windings in series on described each iron core, with the rectifier bridge matched, be connected, described low pressure winding is worn in each iron core hole, be provided with insulating barrier between the high pressure winding be wound around on described adjacent iron core, be provided with another insulating barrier between described high pressure winding and low pressure winding, support frame as described above is arranged in fuel tank.
9. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 8, it is characterized in that: described iron core is rectangle or ring transformer cores.
10. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 9, it is characterized in that: the material of described iron core is producing ultra microcrystal voltage transformer iron core.
11. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 8 is characterized in that: the spacing of staying between described adjacent iron core is identical.
12. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 8 is characterized in that: described wearing between the low pressure winding in each iron core hole and described each iron core keeps spacing.
13. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 8, it is characterized in that: the insulating barrier that another insulating barrier be provided with between described high pressure winding and low pressure winding is tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of described each iron core.
14. a kind of high-power high-frequency high-voltage rectifier transformer according to claim 8, it is characterized in that: the insulating barrier that another insulating barrier be provided with between described high pressure winding and low pressure winding is tubular structure and the insulating barrier of tubular structure, the insulating barrier of this tubular structure is sleeved in the centre bore of described each iron core, and the insulating barrier of this tubular structure is sleeved on the low pressure winding that is positioned at each iron core periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522583.5U CN203386601U (en) | 2013-08-27 | 2013-08-27 | Large-power high-frequency high-voltage rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522583.5U CN203386601U (en) | 2013-08-27 | 2013-08-27 | Large-power high-frequency high-voltage rectifier transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386601U true CN203386601U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320522583.5U Withdrawn - After Issue CN203386601U (en) | 2013-08-27 | 2013-08-27 | Large-power high-frequency high-voltage rectifier transformer |
Country Status (1)
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| CN (1) | CN203386601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413663A (en) * | 2013-08-27 | 2013-11-27 | 盐城正邦环保科技有限公司 | High power, high frequency and high voltage rectifier transformer |
-
2013
- 2013-08-27 CN CN201320522583.5U patent/CN203386601U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413663A (en) * | 2013-08-27 | 2013-11-27 | 盐城正邦环保科技有限公司 | High power, high frequency and high voltage rectifier transformer |
| CN103413663B (en) * | 2013-08-27 | 2016-03-16 | 盐城正邦环保科技有限公司 | A kind of high-power high-frequency high-voltage rectifier transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |