CN101996751A - Epoxy resin pouring shielding cylinder of transformer - Google Patents
Epoxy resin pouring shielding cylinder of transformer Download PDFInfo
- Publication number
- CN101996751A CN101996751A CN 201010529653 CN201010529653A CN101996751A CN 101996751 A CN101996751 A CN 101996751A CN 201010529653 CN201010529653 CN 201010529653 CN 201010529653 A CN201010529653 A CN 201010529653A CN 101996751 A CN101996751 A CN 101996751A
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- shielding cylinder
- shielding
- transformer
- poured
- 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.)
- Pending
Links
Images
Landscapes
- Insulating Of Coils (AREA)
Abstract
The invention relates to an epoxy resin pouring shielding cylinder of a transformer, belonging to the technical field of dry type transformers. The epoxy resin pouring shielding cylinder of the transformer is characterized by adopting a structure in the shape of a pouring shielding cylinder; and grounded shields inside the shielding cylinder are a plurality of open type metal straps in winding structures. The invention has the advantages of simple structure, reliable property, high insulating withstand voltage, reduced eddy-current loss, good heat-radiating effect, convenience in operation and assembly, manufacturing cost saving, reliable grounded shielding, safety operation of the transformer, and the like.
Description
Technical field
The invention belongs to the Dry-Transformer Technology field, particularly relate to a kind of transformer poured with epoxy resin shielding cylinder.
Background technology
At present, the earth shield of existing dry-type transformer all be with one whole with the highly contour metal foil of coil reactance on iron core or coil, reduced the dielectric voltage withstand level and the heat dispersion of dry-type transformer.Solderless wrapped connection ground masking operation difficulty on iron core and coil, technology be difficult to guarantee, the operation of transformer is had potential safety hazard.
Summary of the invention
The present invention provides a kind of transformer poured with epoxy resin shielding cylinder for solving the problem that prior art exists.
The object of the invention provides a kind of simple in structure, dependable performance, dielectric voltage withstand height, reduce eddy current loss, good heat dissipation effect, operation and easy to assembly, save cost of manufacture, shielding is reliable over the ground, the transformer poured with epoxy resin shielding cylinder of characteristics such as transformer security of operation.
Earth shield of the present invention is made up of several half opening metal strips, and earth shield on the mould that designs, is carried out vacuum pouring with epoxy resin, forms a cast-type shielding cylinder.The cast shielding cylinder has good insulation performance and thermal level.
Transformer poured with epoxy resin shielding cylinder of the present invention adopts following technical scheme:
A kind of transformer poured with epoxy resin shielding cylinder is characterized in that: the poured with epoxy resin shielding cylinder is a cast-type shielding tubular construction, and the earth shield in the shielding cylinder is the open type metal tape of several winding structures.
Transformer poured with epoxy resin shielding cylinder of the present invention can also adopt following technical measures:
Described transformer poured with epoxy resin shielding cylinder is characterized in: cast-type shielding tubular construction is followed successively by insulation in the cast shielding, earth shield and cast shielding external insulation from inside to outside.
Described transformer poured with epoxy resin shielding cylinder is characterized in: the open type metal tape of several winding structures is a half opening formula metal forming.
Described transformer poured with epoxy resin shielding cylinder is characterized in: be welded with on the metal forming and draw copper strips.
Described transformer poured with epoxy resin shielding cylinder is characterized in: the metal forming opening is 4-5mm.
Described transformer poured with epoxy resin shielding cylinder, be characterized in: the metal forming opening is spaced apart 50-80mm.
Advantage that the present invention has and good effect:
Transformer poured with epoxy resin shielding cylinder, owing to adopted brand-new technology scheme of the present invention, compared with prior art, this transformer has following characteristics:
1, earth shield is made up of several half opening metal strips, has reduced the eddy current in the shielding effectively.
2, pour into shielding cylinder after, form the integral body of a rigidity, be convenient to transhipment, operation and assembling, can independently place, need on iron core or coil, not improve the heat radiation level of iron core or coil.
3, shielding cylinder has inside and outside insulation resin, has improved the dielectric voltage withstand level, can effectively reduce the insulation distance with iron core or coil, has saved cost.
The present invention has simple in structure, dependable performance, and the dielectric voltage withstand height reduces eddy current loss, good heat dissipation effect, cost of manufacture is saved in operation and easy to assembly, and shielding is reliable over the ground, advantages such as transformer security of operation.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of the mask tape metal forming among Fig. 1.
Among the figure, insulation in the 1-cast shielding, 2-earth shield, 3-cast shielding external insulation, 4-draws metal tape, 5-Copper Foil opening, 6-Copper Foil.
Embodiment
For further understanding technology contents of the present invention, characteristics and effect, enumerate following example now, and conjunction with figs. is described in detail as follows.
Embodiment
With reference to accompanying drawing 1, Fig. 2 and Fig. 3.
A kind of transformer poured with epoxy resin shielding cylinder is cast-type shielding tubular construction, and cast-type shielding tubular construction is followed successively by insulation 1 in the cast shielding, earth shield 2 and cast shielding external insulation 3 from inside to outside.Earth shield 2 in the shielding cylinder is the half opening formula Copper Foil 6 of 2 winding structures, is welded with on the Copper Foil 6 and draws metal tape 4, and metal forming opening 5 is 5mm, and metal forming 6 openings are spaced apart 70mm.
The concrete structure of present embodiment and the course of processing thereof:
Require and overall dimension making cast shielding cylinder mould and earth shield Copper Foil 2 according to design of transformer.Earth shield is by Copper Foil 6 and draw metal tape 4 and be welded.Wherein Copper Foil 6 needs design earth shield Copper Foil opening 5.Single opening size 5mm, opening is spaced apart 70mm.Add man-hour,, earth shield on the mould that designs, is carried out vacuum pouring with epoxy resin, form a cast-type shielding cylinder according to the figure paper size.The cast shielding cylinder has good insulation performance and thermal level.
Claims (6)
1. transformer poured with epoxy resin shielding cylinder is characterized in that: the poured with epoxy resin shielding cylinder is a cast-type shielding tubular construction, and the earth shield in the shielding cylinder is the open type metal tape of several winding structures.
2. according to the described transformer poured with epoxy resin of claim 1 shielding cylinder, it is characterized in that: cast-type shielding tubular construction is followed successively by insulation in the cast shielding, earth shield and cast shielding external insulation from inside to outside.
3. according to the described transformer poured with epoxy resin of claim 1 shielding cylinder, it is characterized in that: the open type metal tape of several winding structures is a half opening formula metal forming.
4. according to the described transformer poured with epoxy resin of claim 3 shielding cylinder, it is characterized in that: be welded with on the metal forming and draw metal tape.
5. according to claim 3 or 4 described transformer poured with epoxy resin shielding cylinders, it is characterized in that: the metal forming opening is 4-5mm.
6. according to the described transformer poured with epoxy resin of claim 5 shielding cylinder, it is characterized in that: the metal forming opening is spaced apart 50-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010529653 CN101996751A (en) | 2010-11-03 | 2010-11-03 | Epoxy resin pouring shielding cylinder of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010529653 CN101996751A (en) | 2010-11-03 | 2010-11-03 | Epoxy resin pouring shielding cylinder of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101996751A true CN101996751A (en) | 2011-03-30 |
Family
ID=43786756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010529653 Pending CN101996751A (en) | 2010-11-03 | 2010-11-03 | Epoxy resin pouring shielding cylinder of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101996751A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360841A (en) * | 2011-08-01 | 2012-02-22 | 保定天威集团有限公司 | Grounded shield structure for dry rectifier transformer, and manufacturing method for grounded shield structure |
| CN102543396A (en) * | 2012-02-18 | 2012-07-04 | 山东达驰电气有限公司 | Grounding screen structure of iron core of transformer |
| CN104867666A (en) * | 2015-05-12 | 2015-08-26 | 山东电工电气集团智能电气有限公司 | Dry-type transformer high-voltage coil insulation structure |
| CN107331498A (en) * | 2016-04-28 | 2017-11-07 | 王大彦 | A kind of toroidal transformer of magnetic shielding cylinder embedding |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1074633A (en) * | 1996-08-29 | 1998-03-17 | Fuji Electric Co Ltd | Gas-isolated induction electric winding |
| CN2359788Y (en) * | 1998-07-17 | 2000-01-19 | 山东省金曼克电气集团股份有限公司 | Resin pouring winding air flue shielding structure of power transformer |
| CN201522927U (en) * | 2009-11-03 | 2010-07-07 | 天津市特变电工变压器有限公司 | Dry-type exciting rectifier transformer grounded shield device |
| CN201886881U (en) * | 2010-11-03 | 2011-06-29 | 天津市特变电工变压器有限公司 | Epoxy resin pouring shielding barrel of transformer |
-
2010
- 2010-11-03 CN CN 201010529653 patent/CN101996751A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1074633A (en) * | 1996-08-29 | 1998-03-17 | Fuji Electric Co Ltd | Gas-isolated induction electric winding |
| CN2359788Y (en) * | 1998-07-17 | 2000-01-19 | 山东省金曼克电气集团股份有限公司 | Resin pouring winding air flue shielding structure of power transformer |
| CN201522927U (en) * | 2009-11-03 | 2010-07-07 | 天津市特变电工变压器有限公司 | Dry-type exciting rectifier transformer grounded shield device |
| CN201886881U (en) * | 2010-11-03 | 2011-06-29 | 天津市特变电工变压器有限公司 | Epoxy resin pouring shielding barrel of transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360841A (en) * | 2011-08-01 | 2012-02-22 | 保定天威集团有限公司 | Grounded shield structure for dry rectifier transformer, and manufacturing method for grounded shield structure |
| CN102543396A (en) * | 2012-02-18 | 2012-07-04 | 山东达驰电气有限公司 | Grounding screen structure of iron core of transformer |
| CN104867666A (en) * | 2015-05-12 | 2015-08-26 | 山东电工电气集团智能电气有限公司 | Dry-type transformer high-voltage coil insulation structure |
| CN107331498A (en) * | 2016-04-28 | 2017-11-07 | 王大彦 | A kind of toroidal transformer of magnetic shielding cylinder embedding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101996751A (en) | Epoxy resin pouring shielding cylinder of transformer | |
| CN201886881U (en) | Epoxy resin pouring shielding barrel of transformer | |
| CN205318998U (en) | Soft -magnetic paper tinsel of high frequency is around mixing reactor | |
| CN204989400U (en) | A integral type high -voltage testing transformer for insulating oily withstanding voltage tester | |
| CN107516578A (en) | A kind of direct outlet structures of power transformer 750kV | |
| CN201522927U (en) | Dry-type exciting rectifier transformer grounded shield device | |
| CN202930193U (en) | Double-shielded dry-type mutual inductor | |
| CN2862285Y (en) | Teeming transformer coil having shielding | |
| CN203910460U (en) | Double-foil-winding energy-saving power distribution transformer | |
| CN202695120U (en) | Armored shielded high-voltage test transformer | |
| CN202285190U (en) | Small-sized energy-saving dry-type transformer | |
| CN201749765U (en) | High-capacity and high-impedance transformer | |
| CN201663038U (en) | Novel dry-type transformer coil structure | |
| CN207529751U (en) | A kind of outdoor dry type transformer | |
| CN205751814U (en) | Assembled common mode inductance | |
| CN201910312U (en) | Novel intermediate voltage transformer | |
| CN102903486A (en) | Power transformer | |
| CN201804675U (en) | Transformer core of dry-type explosion-proof mobile substation for amorphous alloy ore | |
| CN220357929U (en) | Three-phase high-frequency pouring reactor | |
| CN201449871U (en) | Electromagnetic type potential transformer with open type iron core | |
| CN203386583U (en) | Winding assembly of 20kV dry-type electric transformer | |
| CN202217580U (en) | Current transformer for metal enclosed switch device | |
| CN203491072U (en) | Grounding shielding device for dry-type rectifier excitation transformer | |
| CN203466032U (en) | Winding structure of multi-winding transformer | |
| CN212848009U (en) | Electromagnetic voltage transformer with shielding ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Open date: 20110330 |