CN106531418A - Composite insulation oil immersion capacitive transformer bushing - Google Patents
Composite insulation oil immersion capacitive transformer bushing Download PDFInfo
- Publication number
- CN106531418A CN106531418A CN201611217841.3A CN201611217841A CN106531418A CN 106531418 A CN106531418 A CN 106531418A CN 201611217841 A CN201611217841 A CN 201611217841A CN 106531418 A CN106531418 A CN 106531418A
- Authority
- CN
- China
- Prior art keywords
- epoxy
- frp pipes
- capacitive type
- bushing shell
- flange
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
- H01B17/325—Single insulators consisting of two or more dissimilar insulating bodies comprising a fibre-reinforced insulating core member
Abstract
The invention discloses a composite insulation oil immersion capacitive transformer bushing, comprising insulation oil, high-temperature vulcanized silicone rubber full skirts, a resin impregnated paper capacitor core, a high-compactness epoxy glass steel tube and a conductive tube. The bushing is compact in structure and convenient in maintenance. According to double seal structures at the end parts of the epoxy glass steel tube and an epoxy binding technology employed for an upper flange, a lower flange and a middle flange, the product is effectively prevented from leaking oil to cause an environment pollution accident in the operation process, through structure matching of a composite insulation coat and the resin impregnated paper capacitor core, an explosion accident is well prevented from occurring when faults such as insulation breakdown occur in the product, and the safety of a transformer and an operator is greatly protected.
Description
Technical field
The present invention relates to a kind of bushing shell for transformer, the structure of capacitance type transformer sleeve, belong to technical field of electric equipment.
Background technology
At present, electrical network one time power transformation equipment such as oil-immersed sleeve pipe mainly adopts porcelain overcoat, easily sends out in actual moving process
The explosion accident of green overcoat, has a strong impact on the safe and stable operation of electrical network；Explode simultaneously the serious prestige of considerable damage brought
The safety of side of body surrounding devices and the personal safety of operating personnel, in the urgent need to carrying out correlational study, it is ensured that equipment safety and people
Body safety.
The content of the invention
The technical problem to be solved is the defect existed for prior art, there is provided a kind of one kind that provides prevents letting out
Leakage, explosion-proof capacitance type transformer sleeve.
To solve this technical problem, the invention provides a kind of compound inslation immersion capacitive type bushing shell for transformer, including
Insulating oil, high-temperature silicon disulfide rubber full skirt, glue impregnated paper capacitor core, high compactness epoxy FRP pipes and contact tube, the glue
Impregnated paper capacitor core is by electric insulation crimped paper and aluminium foil by pre-set programs size wound on the middle part 2/3 of contact tube, by four
Impregnate the solidification of electric insulation crimped paper under fine vacuum, high pressure after the degassing of component epoxide resin system vacuum to form, electric power is exhausted
Cushion is provided between edge crimped paper and contact tube；One end that the glue impregnated paper capacitor core exposes contact tube is arranged on expoxy glass
In steel pipe, it is insulating oil between glue impregnated paper capacitor core and epoxy FRP pipes；With high temperature sulfur outside the epoxy FRP pipes
Change silicon rubber umbrella skirt sulfuration to be integrated；The two ends of the high compactness epoxy FRP pipes respectively with epoxy FRP pipes upper flange
Connect by epoxy glue load with epoxy FRP pipes lower flange, and before mucilage binding connection surface through interface processing；The ring
Oxygen glass reinforced plastic pipe lower flange is bolted with intermediate sleeve flange, and intermediate sleeve flange passes through ring with glue impregnated paper capacitor core
Oxygen mucilage binding connect, and before mucilage binding connection surface through interface processing；Epoxy FRP pipes upper flange passes through bolt with conservator
Connection；The contact tube two ends are connected with binding post.
The glue impregnated paper capacitor core inserts the aluminium foil of design requirement in appropriate chart drum position during winding.
The high-temperature silicon disulfide rubber full skirt passes through high-temperature silicon disulfide rubber integral injection molding.
The high compactness epoxy FRP pipes are formed by glass fiber yarn epoxy resin-impregnated hot setting.
The high-temperature silicon disulfide rubber full skirt and high compactness epoxy FRP pipes pass through coupling agent treatment and each bonding
After the plasma treatment of interface, using high temperature, high pressure on epoxy FRP pipes sulfidization molding.
The epoxy FRP pipes upper flange and epoxy FRP pipes lower flange end adopt double sealing structure and oil resistant
Ageing-resistant sealing ring.
The insulating oil is silicone oil or transformer oil or other liquid state insulating oils.
The intermediate sleeve flange is provided with measurement terminal.
The conservator is provided with oil level glass.
Beneficial effect：Present configuration is compact, easy to maintenance, the double sealing structure of fiber glass epoxy tube end and on
Lower flange, the epoxy mucilage binding technique of spacer flanger can effectively prevent the product from oil seepage occurring in operation and cause environmental pollution
The respective outer side edges of the generation of accident, composite insulation outer coat and glue impregnated paper capacitor core preferably avoid such product to be occurred absolutely
There is explosion accident when the failure such as puncturing in edge, greatly protect the safety of transformator and operating personnel.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1 binding post, 2 conservators, 3 oil level glass, 4 epoxy FRP pipes upper flanges, 5 insulating oils, 6 high temperature sulfur
Change silicon rubber umbrella skirt, 7 glue impregnated paper capacitor cores, 8 high compactness epoxy FRP pipes, 9 epoxy FRP pipes lower flanges, in the middle of 10
Sleeve flange, 11 contact tubes, 12 measurement terminal.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is specifically described to the present invention.
Fig. 1 show the structural representation of the present invention.
The present invention includes binding post 1, conservator 2, epoxy FRP pipes upper flange 4, insulating oil 5, high-temperature silicon disulfide rubber
Full skirt 6, glue impregnated paper capacitor core 7,8 epoxy FRP pipes lower flange 9 of high compactness epoxy FRP pipes, intermediate sleeve flange 10
With contact tube 11.
The glue impregnated paper capacitor core 7 presses pre-set programs size wound on contact tube 11 by electric insulation crimped paper and aluminium foil
Middle part 2/3, by four component epoxide resin system vacuums deaerate after under fine vacuum, high pressure impregnate electric insulation crimped paper
Solidification is formed, and the glue impregnated paper capacitor core 7 is needed by full-automatic machine insertion design in appropriate chart drum position during winding
The aluminium foil asked, the structure can make the radial and axial Electric Field Distribution of fuse uniform.
Cushion is provided between the electric insulation crimped paper and contact tube 11, glue impregnated paper capacitor core 7 pairs can be effectively improved
The conformability of different running environment.
11 two ends of the contact tube reliably, are firmly connected by bolt with binding post 1.
One end that the glue impregnated paper capacitor core 7 exposes contact tube 11 is arranged in epoxy FRP pipes 8, glue impregnated paper electric capacity
It is insulating oil 5 between fuse 7 and epoxy FRP pipes 8, this structure can be avoided such product and the event such as insulation breakdown is occurring
There is explosion accident during barrier, greatly protect the safety of transformator and operating personnel.
The high-temperature silicon disulfide rubber full skirt 6 passes through high-temperature silicon disulfide rubber integral injection molding.
The high compactness epoxy FRP pipes 8 are formed by glass fiber yarn epoxy resin-impregnated hot setting.
The high-temperature silicon disulfide rubber full skirt 6 and high compactness epoxy FRP pipes 8 pass through coupling agent treatment and each viscous
After the plasma treatment of junction face, using high temperature, high pressure on epoxy FRP pipes 8 sulfidization molding.
The insulating oil 5 is silicone oil or transformer oil or other liquid state insulating oils.
The two ends of the high compactness epoxy FRP pipes 8 respectively with epoxy FRP pipes upper flange 4 and fiber glass epoxy
Pipe lower flange 9 is connect by epoxy glue load, and connection surface, through interface processing, can effectively prevent oil from ring before mucilage binding
Leak between oxygen pipe and flange.
The epoxy FRP pipes upper flange 4 and 9 end of epoxy FRP pipes lower flange adopt double sealing structure and resistance to
The ageing-resistant sealing ring of oil, preferably prevents the oily leakage accident of generation.
The epoxy FRP pipes lower flange 9 is firmly connected by bolt with intermediate sleeve flange 10, intermediate sleeve flange
10 are firmly connected by epoxy mucilage binding with glue impregnated paper capacitor core 7, and connection surface, can be with through interface processing before mucilage binding
Effectively prevent oil from leaking from middle flange.
The intermediate sleeve flange 10 is provided with and measures convenient measurement terminal 12 to 7 end shield of glue impregnated paper capacitor core.
The epoxy FRP pipes upper flange 4 is firmly connected by bolt with conservator 2.
The conservator 2 is provided with oil level glass 3.
The operation principle of the present invention：
The double sealing structure of fiber glass epoxy tube end and upper lower flange, the epoxy mucilage binding technique of spacer flanger can
Effectively prevent the product from the generation that oil seepage causes environmental pollution accident, composite insulation outer coat and glue impregnated paper electricity occurring in operation
The respective outer side edges of appearance fuse preferably avoid such product and explosion accident occur when there is the failures such as insulation breakdown, greatly protect
The safety of transformator and operating personnel is protected.
The embodiment above of the present invention, is merely illustrative, be not it is only, it is all within the scope of the present invention or equivalent this
Change in the range of invention is by present invention encirclement.
Claims (10)
1. a kind of compound inslation immersion capacitive type bushing shell for transformer, it is characterised in that：Including contact tube (11), glue impregnated paper capacitance core
Sub (7), insulating oil (5), high compactness epoxy FRP pipes (8) and high-temperature silicon disulfide rubber full skirt (6), the glue impregnated paper electric capacity
Fuse (7) presses pre-set programs size wound on the middle part 2/3 of contact tube (11), by four groups by electric insulation crimped paper and aluminium foil
Impregnate the solidification of electric insulation crimped paper under fine vacuum, high pressure after part epoxy resin system vacuum outgass to form, electric insulation
Cushion is provided between crimped paper and contact tube (11)；The glue impregnated paper capacitor core (7) is exposed one end of contact tube (11) and is arranged
In epoxy FRP pipes (8), it is insulating oil (5) between glue impregnated paper capacitor core (7) and epoxy FRP pipes (8), the ring
Oxygen glass reinforced plastic pipe (8) is outside to be integrated with high-temperature silicon disulfide rubber full skirt (6) sulfuration；The high compactness epoxy FRP pipes
(8) two ends are connect by epoxy glue load with epoxy FRP pipes upper flange (4) and epoxy FRP pipes lower flange (9) respectively,
Epoxy FRP pipes lower flange (9) is bolted with intermediate sleeve flange (10), intermediate sleeve flange (10) and glue impregnated paper
Capacitor core (7) is connect by epoxy glue load；Epoxy FRP pipes upper flange (4) is bolted with conservator (2)；It is described to lead
Fulgurite (11) two ends are connected with binding post (1).
2. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：The glue impregnated paper electricity
Hold during fuse (7) winds the aluminium foil of design requirement is inserted in appropriate chart drum position.
3. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：It is described high temperature vulcanized
Silicon rubber umbrella skirt (6) is by high-temperature silicon disulfide rubber integral injection molding.
4. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：The high compactness
Epoxy FRP pipes (8) are formed by glass fiber yarn epoxy resin-impregnated hot setting.
5. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：It is described high temperature vulcanized
Silicon rubber umbrella skirt (6) and high compactness epoxy FRP pipes (8) are by coupling agent treatment and each bonding interface plasma treatment
Afterwards, using high temperature, high pressure on epoxy FRP pipes (8) sulfidization molding.
6. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：The expoxy glass
Steel pipe upper flange (4) and epoxy FRP pipes lower flange (9) end adopt double sealing structure, the ageing-resistant sealing ring of oil resistant.
7. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：The upper flange (4),
Lower flange (9), the epoxy mucilage binding technique of spacer flanger (10) adopt interface plasma treatment process.
8. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：The insulating oil
(5) it is silicone oil or transformer oil or other liquid state insulating oils.
9. compound inslation immersion capacitive type bushing shell for transformer according to claim 1, it is characterised in that：The intermediate sleeve
Flange (10) is provided with measurement terminal (12).
10. the compound inslation immersion capacitive type bushing shell for transformer according to any one of claim 1-9, it is characterised in that：Institute
State conservator (2) and be provided with oil level glass (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217841.3A CN106531418A (en) | 2016-12-26 | 2016-12-26 | Composite insulation oil immersion capacitive transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217841.3A CN106531418A (en) | 2016-12-26 | 2016-12-26 | Composite insulation oil immersion capacitive transformer bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106531418A true CN106531418A (en) | 2017-03-22 |
Family
ID=58338771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217841.3A Pending CN106531418A (en) | 2016-12-26 | 2016-12-26 | Composite insulation oil immersion capacitive transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531418A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492945A (en) * | 2018-05-03 | 2018-09-04 | 江苏神马电力股份有限公司 | insulating sleeve |
| CN110010312A (en) * | 2019-04-09 | 2019-07-12 | 天津大学 | High-voltage direct-current sleeve pressure-equalizing device and method based on nonlinear conductance epoxy resin |
| CN112863831A (en) * | 2021-01-07 | 2021-05-28 | 国网山东省电力公司菏泽供电公司 | Natural ester insulating oil impregnated oilpaper capacitive bushing and detection method thereof |
| CN114334310A (en) * | 2021-12-30 | 2022-04-12 | 江苏昆泰科技有限公司 | Casing and method for manufacturing the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3760089A (en) * | 1972-04-27 | 1973-09-18 | Westinghouse Electric Corp | Electrical bushing assembly having resilient means enclosed within sealing means |
| CN203312015U (en) * | 2013-07-01 | 2013-11-27 | 江苏智达高压电气有限公司 | Epoxy impregnated paper capacitive transformer bushing |
| CN203659604U (en) * | 2014-01-14 | 2014-06-18 | 江苏智达高压电气有限公司 | Dry type sleeve with shock-resistant flame retardant glass fiber reinforced plastic outer sheath |
| CN105590706A (en) * | 2016-02-01 | 2016-05-18 | 大连耐道电器有限公司 | Production technology method of glass fiber reinforced plastic capacitance transformer bushing |
| CN205304157U (en) * | 2015-09-29 | 2016-06-08 | 北京诺德威电力技术开发有限责任公司 | Dry type high -pressure wall bushing |
| CN206331888U (en) * | 2016-12-26 | 2017-07-14 | 山东彼岸电力科技有限公司 | A kind of compound inslation immersion capacitive type bushing shell for transformer |
-
2016
- 2016-12-26 CN CN201611217841.3A patent/CN106531418A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3760089A (en) * | 1972-04-27 | 1973-09-18 | Westinghouse Electric Corp | Electrical bushing assembly having resilient means enclosed within sealing means |
| CN203312015U (en) * | 2013-07-01 | 2013-11-27 | 江苏智达高压电气有限公司 | Epoxy impregnated paper capacitive transformer bushing |
| CN203659604U (en) * | 2014-01-14 | 2014-06-18 | 江苏智达高压电气有限公司 | Dry type sleeve with shock-resistant flame retardant glass fiber reinforced plastic outer sheath |
| CN205304157U (en) * | 2015-09-29 | 2016-06-08 | 北京诺德威电力技术开发有限责任公司 | Dry type high -pressure wall bushing |
| CN105590706A (en) * | 2016-02-01 | 2016-05-18 | 大连耐道电器有限公司 | Production technology method of glass fiber reinforced plastic capacitance transformer bushing |
| CN206331888U (en) * | 2016-12-26 | 2017-07-14 | 山东彼岸电力科技有限公司 | A kind of compound inslation immersion capacitive type bushing shell for transformer |
Non-Patent Citations (3)
| Title |
|---|
| 刘振亚: "《特高压交流输电技术研究成果专辑 2010年》", 30 October 2011, 中国电力出版社 * |
| 刘振亚: "《特高压交流输电技术研究成果专辑 2012年》", 31 May 2014, 中国电力出版社 * |
| 邱志贤: "《高压绝缘子的设计与应用》", 30 November 2006, 中国电力出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492945A (en) * | 2018-05-03 | 2018-09-04 | 江苏神马电力股份有限公司 | insulating sleeve |
| CN110010312A (en) * | 2019-04-09 | 2019-07-12 | 天津大学 | High-voltage direct-current sleeve pressure-equalizing device and method based on nonlinear conductance epoxy resin |
| CN112863831A (en) * | 2021-01-07 | 2021-05-28 | 国网山东省电力公司菏泽供电公司 | Natural ester insulating oil impregnated oilpaper capacitive bushing and detection method thereof |
| CN114334310A (en) * | 2021-12-30 | 2022-04-12 | 江苏昆泰科技有限公司 | Casing and method for manufacturing the same |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |