CN102760562A - Three-dimensional rolling iron core dry type transformer insulation tube between high voltage and low voltage - Google Patents
Three-dimensional rolling iron core dry type transformer insulation tube between high voltage and low voltage Download PDFInfo
- Publication number
- CN102760562A CN102760562A CN2012102803091A CN201210280309A CN102760562A CN 102760562 A CN102760562 A CN 102760562A CN 2012102803091 A CN2012102803091 A CN 2012102803091A CN 201210280309 A CN201210280309 A CN 201210280309A CN 102760562 A CN102760562 A CN 102760562A
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- polyester films
- iron core
- insulating cylinder
- type transformer
- insulation tube
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Abstract
The invention discloses a three-dimensional rolling iron core dry type transformer insulation tube between high voltage and low voltage. The insulation tube comprises two polyester films wrapped on the outside of a low voltage coil and located on the inside of a high voltage coil. The extending length of the two polyester films folded together is 150-250cm larger than the perimeter of the polyester films, and a double faced adhesive tape is arranged on the overlapping portion of the two polyester films. The insulation tube is simple and easy to carry and improves voltage withstand performance of the transformer.
Description
Technical field
The present invention relates to a kind of transformer, insulating cylinder between specifically a kind of three-dimensional coil iron core dry-type transformer high-low pressure.
Background technology
As a kind of novel distribution transformer, three-dimensional coil iron core dry-type transformer becomes a kind of trend of distribution transformer with its pair energy-saving advantages.But with respect to common dry-type transformer, its coil winding is accomplished on the iron core of sealing, and Fig. 1 is that three-dimensional coil iron core dry-type transformer coil winding is in sealing sketch map unshakable in one's determination.Among Fig. 1, the 11st, high-voltage coil and low-voltage coil, the 12nd, unshakable in one's determination.Insulating cylinder between the high-low pressure then must add after the whole moulding of coil again.Now three-dimensional volume iron core is done the manufacturer that becomes and is all adopted and make two semicircle insulating cylinders and add the main aperture roads, the interface that bonds again mode, the method efficient is low, insulating cylinder must be made specially, cost is higher.
Summary of the invention
The purpose of this invention is to provide insulating cylinder between a kind of three-dimensional coil iron core dry-type transformer high-low pressure, this insulating cylinder is simple, has improved the withstand voltage properties of transformer.
The objective of the invention is to realize through following technical scheme:
Insulating cylinder between a kind of three-dimensional coil iron core dry-type transformer high-low pressure; It is characterized in that: this insulating cylinder comprises two polyester films; Said two polyester films are coated on the low-voltage coil outside and are positioned at the high-tension coil inboard; And the expansion length of two polyester films that lump together is than insulating cylinder Zhou Changda 150-250mm, is provided with double faced adhesive tape at the lap of two polyester films.
Among the present invention, the monolithic polyester film launches length=insulating cylinder girth/2+100mm, and the expansion length of two polyester films that lump together is than insulating cylinder Zhou Changda 200mm.On the 100mm that monolithic polyester film both sides have more, paste double faced adhesive tape.
The present invention is simple, has improved the withstand voltage properties of transformer, is applicable to the insulating cylinder between new-type three-dimensional coil iron core dry-type transformer high-low pressure.
Description of drawings
Fig. 1 is that three-dimensional coil iron core dry-type transformer coil winding is in sealing sketch map unshakable in one's determination.
Fig. 2 is a structural representation of the present invention.
Embodiment
Insulating cylinder between a kind of three-dimensional coil iron core dry-type transformer high-low pressure of the present invention; See Fig. 2; This insulating cylinder comprises two polyester films 3; Two polyester films 3 are coated on low-voltage coil 2 outsides and are positioned at high-tension coil 4 inboards, and the expansion length of two polyester films that lump together is than insulating cylinder Zhou Changda 200mm, and promptly the monolithic polyester film launches length=insulating cylinder girth/2+100mm.Lap at two polyester films is provided with double faced adhesive tape, promptly on the 100mm that monolithic polyester film both sides have more, pastes double faced adhesive tape.
During making, at first make two polyester films, the monolithic polyester film launches length=insulating cylinder girth/2+100mm.Coiling low-voltage coil 2 on unshakable in one's determination 1; Low-voltage coil 2 coilings directly roll into insulating cylinder in low-voltage coil 2 outsides with two polyester films after accomplishing, and lap-joint's high temperature resistant double faced adhesive tape of 31 usefulness of insulating cylinder is bonding, keep insulating cylinder and low-voltage coil 2 relative fixed; The dress high-tension coil internal mold in insulating cylinder 3 outsides, coiling high-tension coil 4; Adorn mould after the high-low pressure demoulding, directly stay between high-tension coil 4 and the low-voltage coil 2, obtain insulating cylinder between three-dimensional coil iron core dry-type transformer high-low pressure by the insulating cylinder that two polyester films roll into.
The present invention is simple, has improved efficiency.Add this insulating cylinder and improved the withstand voltage properties of transformer.
Claims (2)
1. insulating cylinder between a three-dimensional coil iron core dry-type transformer high-low pressure; It is characterized in that: this insulating cylinder comprises two polyester films (3); Said two polyester films (3) are coated on low-voltage coil (2) outside and are positioned at high-tension coil (4) inboard; And the expansion length of two polyester films (3) that lump together is than insulating cylinder Zhou Changda 80-120mm, is provided with double faced adhesive tape at the lap of two polyester films (3).
2. insulating cylinder between three-dimensional coil iron core dry-type transformer high-low pressure according to claim 1 is characterized in that: the expansion length of two polyester films (3) that lump together is than insulating cylinder Zhou Changda 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102803091A CN102760562A (en) | 2012-08-08 | 2012-08-08 | Three-dimensional rolling iron core dry type transformer insulation tube between high voltage and low voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102803091A CN102760562A (en) | 2012-08-08 | 2012-08-08 | Three-dimensional rolling iron core dry type transformer insulation tube between high voltage and low voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102760562A true CN102760562A (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102803091A Pending CN102760562A (en) | 2012-08-08 | 2012-08-08 | Three-dimensional rolling iron core dry type transformer insulation tube between high voltage and low voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102760562A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064343A (en) * | 2014-07-02 | 2014-09-24 | 北京德威特继保自动化科技股份有限公司 | Current mutual inductance device and current transformer |
| CN105914019A (en) * | 2016-05-30 | 2016-08-31 | 江苏国能合金科技有限公司 | 10-KV epoxy cast dry-type transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0945549A (en) * | 1995-08-01 | 1997-02-14 | Toko Denki Kk | Molded transformer |
| CN2572526Y (en) * | 2002-09-28 | 2003-09-10 | 常州华迪特种变压器有限公司 | Dry type transformer |
| CN202275706U (en) * | 2011-10-12 | 2012-06-13 | 南京大全变压器有限公司 | Long-round insulation cylinder of transformer |
| CN202695091U (en) * | 2012-08-08 | 2013-01-23 | 江苏中容科技有限公司 | Insulating cylinder between high voltage and low voltage of stereoscopic roll iron core dry type transformer |
-
2012
- 2012-08-08 CN CN2012102803091A patent/CN102760562A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0945549A (en) * | 1995-08-01 | 1997-02-14 | Toko Denki Kk | Molded transformer |
| CN2572526Y (en) * | 2002-09-28 | 2003-09-10 | 常州华迪特种变压器有限公司 | Dry type transformer |
| CN202275706U (en) * | 2011-10-12 | 2012-06-13 | 南京大全变压器有限公司 | Long-round insulation cylinder of transformer |
| CN202695091U (en) * | 2012-08-08 | 2013-01-23 | 江苏中容科技有限公司 | Insulating cylinder between high voltage and low voltage of stereoscopic roll iron core dry type transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064343A (en) * | 2014-07-02 | 2014-09-24 | 北京德威特继保自动化科技股份有限公司 | Current mutual inductance device and current transformer |
| CN105914019A (en) * | 2016-05-30 | 2016-08-31 | 江苏国能合金科技有限公司 | 10-KV epoxy cast dry-type transformer |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121031 |