CN203826181U - Novel insulated dry type power transformer made from silicone rubber - Google Patents
Novel insulated dry type power transformer made from silicone rubber Download PDFInfo
- Publication number
- CN203826181U CN203826181U CN201320623225.3U CN201320623225U CN203826181U CN 203826181 U CN203826181 U CN 203826181U CN 201320623225 U CN201320623225 U CN 201320623225U CN 203826181 U CN203826181 U CN 203826181U
- Authority
- CN
- China
- Prior art keywords
- transformer
- type power
- coil
- silicon rubber
- power transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 26
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 26
- 239000011162 core material Substances 0.000 claims description 12
- 239000002966 varnish Substances 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000002178 crystalline material Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
Abstract
The utility model provides a novel insulated dry type power transformer made from silicone rubber. The transformer is formed by an iron core and a plurality of coils, wherein each coil is vacuum casted or vacuum impregnated via hydraulic silicon rubber; the coils are solidified into an integral structure via the silicone rubber penetrated between turns and layers; and the internal and external surfaces of each coil are provided with a silicone rubber layer formed in a casting or impregnating way. The insulated dry type power transformer made from silicone rubber has strong overload and heat impact resistance capability; great insulation performance, low partial discharge magnitude and well heat radiation property are provided; and the transformer is dust, moisture and vibration resistant, thereby being suitable for application in special occasions with high requirements like industries, ships and subways as well as high-speed rails.
Description
Technical field
The utility model relates to a kind of dry-type power transformer, belongs to field of electrical equipment, particularly adopts the dry-type power transformer of silicone insulation.
Background technology
Common dry-type power transformer has the dry-type transformer of poured with epoxy resin and non-two kinds of insulation modes sealing insulating varnish dipping, a little less than the dry-type transformer capability of overload of poured with epoxy resin, the shortcomings such as heat-transfer capability is poor, the partial discharge quantity increase that the aging meeting of epoxy resin causes; The shortcomings such as the non-dry-type transformer preventing dust tidal range of sealing insulating varnish dipping.
Utility model content
The purpose of this utility model is: propose a kind of dry-type power transformer of new type silicone rubber insulation, this dry-type transformer can overcome the shortcoming that above-mentioned two class dry-type transformers exist well.
Realization of the present utility model is: this transformer is made up of unshakable in one's determination and multiple coils, and coil is enclosed within on the stem of installation coil unshakable in one's determination; Coil adopts fluid silicone rubber vacuum pouring or vacuum impregnation, and coil is cured as overall structure by the silicon rubber of turn-to-turn and interlayer infiltration, the silastic-layer that coil surfaces externally and internally has cast or dipping to form.
In the utility model: the coil of vacuum impregnation moulding is many impregnate layer composite insulation structure, its bottom is insulating varnish impregnate layer, and top layer is silicon rubber impregnate layer, and the silicon rubber on top layer is attached to insulating varnish impregnate layer surface.
In the utility model: the surface attachment unshakable in one's determination of transformer has silicon rubber impregnate layer.
In the utility model: the coil of transformer be paper tinsel around or winding structure.
In the utility model: the iron core of transformer is plane laminated core structure.
In the utility model: the iron core of transformer is three dimensional wound core structure.
In the utility model: the core material of transformer adopts non-crystalline material or silicon steel material.
The utility model has the advantage of: have good insulation preformance, partial discharge quantity is low, thermal diffusivity is good, dust and moisture, and noise is low, and mechanical strength advantages of higher can be applied in the place of the particular/special requirements such as industry and naval vessel, subway high ferro and nuclear power.
Brief description of the drawings
Fig. 1 is the utility model plane laminated core structure embodiment schematic diagram;
Fig. 2 is the utility model three dimensional wound core structure embodiment schematic diagram;
Fig. 1 is plane laminated core structure dry-type transformer horizontal sectional drawing, and coil is many impregnate layer structure; Fig. 2 is three dimensional wound core structure dry-type transformer horizontal sectional drawing, and coil is many impregnate layer structure.
Embodiment
Accompanying drawing, only with regard to many impregnate layer structure, discloses basic structure of the present utility model without limitation, does not represent the whole of utility model content and claim, below in conjunction with legend, the utility model is described further.
In Fig. 1 and Fig. 2: 1 is the section of plane laminated core or three dimensional wound core, 2 is the silastic-layer on surface unshakable in one's determination, the 3rd, low-voltage coil, the 4th, low-voltage coil silastic-layer, the 5th, the silastic-layer of high-tension coil inwall, the 6th, high-tension coil, the 7th, the insulating varnish impregnate layer of high-tension coil, the 8th, the outer silastic-layer of high-tension coil, the 9th, the air flue between transformer high-low-voltage coil; Many impregnate layer technique is under vacuum condition, and impregnated insulating paint, after insulating varnish impregnate layer is solidified, floods silicon rubber again.
Claims (7)
1. the dry-type power transformer of a silicon rubber insulation, this transformer is made up of unshakable in one's determination and multiple coils, coil is enclosed within on the stem of installation coil unshakable in one's determination, it is characterized in that: coil adopts fluid silicone rubber vacuum pouring or vacuum impregnation, coil is cured as overall structure by the silicon rubber of turn-to-turn and interlayer infiltration, the silastic-layer that coil surfaces externally and internally has cast or dipping to form.
2. the dry-type power transformer of a silicon rubber insulation as claimed in claim 1: the coil of vacuum impregnation moulding is many impregnate layer composite insulation structure, its bottom is insulating varnish impregnate layer, top layer is fluid silicone rubber impregnate layer, and the silicon rubber on top layer is attached to insulating varnish impregnate layer surface.
3. the dry-type power transformer of a silicon rubber insulation as claimed in claim 1: the surface attachment unshakable in one's determination of transformer has silicon rubber impregnate layer.
4. the dry-type power transformer of a silicon rubber insulation as claimed in claim 1: the coil of transformer be paper tinsel around or winding structure.
5. the dry-type power transformer of a silicon rubber insulation as claimed in claim 1: the iron core of transformer is plane laminated core structure.
6. the dry-type power transformer of a silicon rubber insulation as claimed in claim 1: the iron core of transformer is three dimensional wound core structure.
7. the dry-type power transformer of a silicon rubber insulation as claimed in claim 1: the core material of transformer adopts non-crystalline material or silicon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623225.3U CN203826181U (en) | 2013-10-09 | 2013-10-09 | Novel insulated dry type power transformer made from silicone rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623225.3U CN203826181U (en) | 2013-10-09 | 2013-10-09 | Novel insulated dry type power transformer made from silicone rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826181U true CN203826181U (en) | 2014-09-10 |
Family
ID=51481654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623225.3U Expired - Lifetime CN203826181U (en) | 2013-10-09 | 2013-10-09 | Novel insulated dry type power transformer made from silicone rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474217A (en) * | 2013-10-09 | 2013-12-25 | 薛建仁 | Novel silicon rubber insulation dry-type power transformer |
| CN108242325A (en) * | 2017-12-11 | 2018-07-03 | 海鸿电气有限公司 | A kind of amorphous alloy stereo roll iron core transformer winding fixing means |
| CN112562997A (en) * | 2020-12-04 | 2021-03-26 | 国网河北省电力有限公司沧州供电分公司 | Insulating damping structure and transformer |
| CN112768206A (en) * | 2020-12-24 | 2021-05-07 | 宁波宁变电力科技股份有限公司 | Epoxy-cast dry-type transformer winding capable of improving anti-cracking capacity |
-
2013
- 2013-10-09 CN CN201320623225.3U patent/CN203826181U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474217A (en) * | 2013-10-09 | 2013-12-25 | 薛建仁 | Novel silicon rubber insulation dry-type power transformer |
| CN108242325A (en) * | 2017-12-11 | 2018-07-03 | 海鸿电气有限公司 | A kind of amorphous alloy stereo roll iron core transformer winding fixing means |
| CN112562997A (en) * | 2020-12-04 | 2021-03-26 | 国网河北省电力有限公司沧州供电分公司 | Insulating damping structure and transformer |
| CN112768206A (en) * | 2020-12-24 | 2021-05-07 | 宁波宁变电力科技股份有限公司 | Epoxy-cast dry-type transformer winding capable of improving anti-cracking capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170704 Address after: LAN Hui Road high tech Industrial Development Zone, Nanjing city of Jiangsu Province, No. 3 210061 Patentee after: NANJING GUOXIN ENERGY Co.,Ltd. Address before: LAN Hui Road high tech Industrial Development Zone, Nanjing city of Jiangsu Province, No. 3 210061 Co-patentee before: Xue Tao Patentee before: Xue Jianren |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |