CN103632777A - Optical fiber composite insulator - Google Patents
Optical fiber composite insulator Download PDFInfo
- Publication number
- CN103632777A CN103632777A CN201310631797.0A CN201310631797A CN103632777A CN 103632777 A CN103632777 A CN 103632777A CN 201310631797 A CN201310631797 A CN 201310631797A CN 103632777 A CN103632777 A CN 103632777A
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- China
- Prior art keywords
- optical fiber
- fiber composite
- insulated tube
- composite insulator
- insulation
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- 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
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Abstract
The invention relates to an optical fiber composite insulator, comprising an insulation pipe and flanges arranged at two ends of the insulation pipe; the insulation pipe is a glass reinforced plastic pipe and is internally provided with a cavity for being filled with insulation gas. The insulation pipe of the optical fiber composite insulation adopts the glass reinforced plastic pipe, and the mechanical performance of the insulation pipe can be changed by changing the winding angle; gas can be injected in the cavity of the insulation pipe as an insulation material; as the whole processing technology is changed and use of high-temperature organic material is avoided, the yield and the electrical strength of the optical fiber composite insulator are improved, the weight of the optical fiber composite insulator is reduced, and the insulation strength of the insulator is increased.
Description
Technical field
The present invention relates to a kind of all-fiber current sensor composite insulator.
Background technology
Along with the development of the development of power industry, particularly extra-high voltage electric transmission and transformation, the testing equipment in electric power system is had higher requirement.There is many defects such as loss is large, the response characteristic of high-frequency signal is poor in traditional electromagnetic transformer, is difficult to meet the demand of ultra-high/extra-high voltage electric power system.Optical current sensor has that anti-electromagnetic interference capability is strong, security performance advantages of higher, can meet the requirement of high voltage, large electric current, live line measurement in real time.All-fiber current sensor is usingd the passage of optical fiber as communication.For fear of the signal of Optical Fiber Transmission, be subject to the interference of external signal, optical fiber needs optical fiber composite insulator that external insulation is provided in the process of transmission current.
Optical fiber composite insulator generally comprises an insulated tube, a sheath that is coated on this insulated tube outside, the full skirt group that at least one is coated on this sheath outside, is arranged on the flange at described insulated tube two ends and at least one optical fiber through optical fiber composite insulator axis.
Existing optical fiber composite insulator adopts organic material as the filler of hollow insulated tube more, the effect of playing fixed fiber and improving mechanical strength.Above-mentioned optical fiber composite insulator, in manufacturing process, first by embedded fibers insulated tube, adopts high temperature organic insulating material to fix, then outside this insulated tube injection moulding full skirt.Above-mentioned optical fiber composite insulator is when implanting optical fiber, and because needs are inserted high temperature organic insulating material, the optical fiber of implantation is difficult to survive completely; Meanwhile, above-mentioned optical fiber composite insulator manufacturing process need to be carried out the composite insulator of implanting optical fiber integral body heating, and this can cause peeling off of optical fibre packages coating, the easy brittle failure of optical fiber.In addition, the difference of thermal expansion coefficients being used as in above-mentioned optical fiber composite insulator between organic insulating material, insulated tube and the optical fiber of insulated tube sealing use is larger, while therefore heating, the thermal expansion meeting of organic insulating material makes formation stress in hollow insulator body, thereby the loss of optical fiber is increased.Several situations all can reduce the qualification rate of made insulator above.
Summary of the invention
The object of this invention is to provide a kind of optical fiber composite insulator, to solve the problem that existing fiber composite insulator rate of finished products is low, insulating reliability is low.
For achieving the above object, optical fiber composite insulator of the present invention comprises an insulated tube and the flange that is arranged on these insulated tube two ends, and described insulated tube is glass reinforced plastic pipe, is provided with for filling the cavity of insulating gas in this insulated tube.
Described insulated tube inwall is provided with corrosion resisting liner layer.
Described corrosion resisting liner layer is the epoxy woven dacron that is wound in insulated tube inwall.
The flange at described insulated tube two ends and the cooperation contact-making surface of insulated tube are provided with at least one annular groove.
Described annular groove is distributed in flange inner surface.
The glass reinforced plastic pipe that the insulated tube of optical fiber composite insulator of the present invention adopts, can change by changing winding angle the mechanical performance of insulated tube; Can be in the cavity of insulated tube blanketing gas as insulating material, due to the change of integral processing and high temperature organic insulating material avoid use, rate of finished products and the electrical strength of optical fiber composite insulator have been improved, alleviate the weight of optical fiber composite insulator, increased the dielectric strength of insulator; Insulated tube inwall is wound around the inner covering of the corrosion resistant epoxy woven dacron of one deck, to prevent SF
6the corrosivity of electric arc analyte; Being arranged so that in flange crimping process of annular groove, at groove, can form a plurality of dead rings, this dead ring is the connection of insulated tube and flange closely, plays the effect of O type circle sealing, form the integral body of good seal, promoted the sealing property of optical fiber composite insulator; Dead ring increases the frictional force of flange and insulated tube contact-making surface, thereby promotes the flange installation mechanical strength of optical fiber composite insulator.
Accompanying drawing explanation
Fig. 1 is the structural representation of optical fiber composite insulator embodiment;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.At this, it should be noted that, the explanation of these execution modes is used for helping to understand the present invention, but does not form limitation of the invention.In addition,, in each execution mode of described the present invention, involved technical characterictic just can not combine mutually as long as do not form each other conflict.
As shown in Figure 1, optical fiber composite insulator is hollow combined insulator, adopt in shape coaxial configuration, this optical fiber composite insulator comprises an insulated tube 1, a sheath 2 that is coated on this insulated tube 1 outside, at least one is arranged on the full skirt group 3 in described sheath 2 outsides, have one at least through the optical fiber 4 of insulated tube axis, be arranged on upper flanges 5, the lower end flanges 6 in insulated tube 1 outside, and be arranged on the annular groove 7 on upper flanges 5 and lower end flanges 6 and insulated tube 1 contact-making surface.
In insulated tube 1, be provided with for filling the cavity of insulating gas.The insulating material being filled in this insulated tube is SF
6with the mist that air forms, the electrical strength that the electrical strength of this mist is compared air is improved significantly.Amplitude and SF that the electrical strength of this mist promotes
6the content of gas is relevant, increases SF
6the content of gas can promote the electrical strength of mist.
Insulated tube 1 is a hollow-core construction glass reinforced plastic pipe, employing be that uninterrupted glass fibre (yarn) is entwined with certain winding angle, there is certain mechanical strength and electrical strength, play the effect of supporting insulator.The first epoxy resin-impregnated of glass fibre during making (yarn), then be wound on steel mandrel, hot setting moulding after coiling certain thickness, passed through again.The angle of glass fiber (yarn) coiling direction and insulated tube axis is called winding angle.Can change by changing winding angle the mechanical performance of insulated tube.Insulated tube 1 inwall has also been wound around the inner covering of the corrosion resistant epoxy woven dacron of one deck, and this inner covering can prevent SF
6electric arc analyte corrosion insulated tube.
Sheath 2 is bonded between insulated tube 1 outside by bonding agent, in sheath 2 arranged outside, there are at least one full skirt group 3 and sheath 2, full skirt group (3) is comprised of a gamp (31) and two umbellules (32), full skirt group 3 and sheath 2 are all to adopt organic silicon rubber to make, adopt one-body molded technology, durability against pollution is strong, and manufacture craft is succinct.Full skirt group 3 adopts a kind of aerodynamic type full skirt design, and umbrella edge thinnest part is more than or equal to 4mm, and jacket thickness is more than or equal to 5mm, and umbrella spacing is got 75~100mm, and full skirt upper surface inclination angle is greater than 5 °, and lower surface inclination angle is greater than 2 °.
Claims (5)
1. optical fiber composite insulator, comprises an insulated tube and the flange that is arranged on these insulated tube two ends, it is characterized in that: described insulated tube is glass reinforced plastic pipe, is provided with for filling the cavity of insulating gas in this insulated tube.
2. optical fiber composite insulator according to claim 1, is characterized in that: described insulated tube inwall is provided with corrosion resisting liner layer.
3. optical fiber composite insulator according to claim 2, is characterized in that: described corrosion resisting liner layer is the epoxy woven dacron that is wound in insulated tube inwall.
4. according to the optical fiber composite insulator described in any one in claim 1-3, it is characterized in that: the flange at described insulated tube two ends and the cooperation contact-making surface of insulated tube are provided with at least one annular groove.
5. optical fiber composite insulator according to claim 4, is characterized in that: described annular groove is distributed in flange inner surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310631797.0A CN103632777A (en) | 2013-11-30 | 2013-11-30 | Optical fiber composite insulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310631797.0A CN103632777A (en) | 2013-11-30 | 2013-11-30 | Optical fiber composite insulator |
Publications (1)
Publication Number | Publication Date |
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CN103632777A true CN103632777A (en) | 2014-03-12 |
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Family Applications (1)
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CN201310631797.0A Pending CN103632777A (en) | 2013-11-30 | 2013-11-30 | Optical fiber composite insulator |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104835604A (en) * | 2015-04-03 | 2015-08-12 | 华南理工大学 | One-large two-small umbrella-shaped DC composite post insulator for high-altitude area |
CN105047330A (en) * | 2015-08-27 | 2015-11-11 | 武汉华高高电压设备新技术有限公司 | Optical fiber insulator |
CN106992047A (en) * | 2017-05-04 | 2017-07-28 | 江苏神马电力股份有限公司 | A kind of insulator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4296276A (en) * | 1979-11-17 | 1981-10-20 | Ngk Insulators, Ltd. | Rod-type synthetic resin insulator with overcoat and metal fittings |
JPH02158018A (en) * | 1988-12-12 | 1990-06-18 | Ngk Insulators Ltd | Optical fiber composite insulator |
CN2582013Y (en) * | 2002-11-20 | 2003-10-22 | 顺德特种变压器厂 | Hanging optical fibre composite isolator |
CN201181616Y (en) * | 2008-01-25 | 2009-01-14 | 中国西电电气股份有限公司 | Electric arc-resistant hollow combined insulator |
CN202384115U (en) * | 2011-12-30 | 2012-08-15 | 西安超码复合材料公司 | Optical fiber support composite insulator for optical electronic transformer |
CN203165586U (en) * | 2013-04-08 | 2013-08-28 | 丽水市中仪电力科技有限公司 | Composite fiber insulator |
-
2013
- 2013-11-30 CN CN201310631797.0A patent/CN103632777A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4296276A (en) * | 1979-11-17 | 1981-10-20 | Ngk Insulators, Ltd. | Rod-type synthetic resin insulator with overcoat and metal fittings |
JPH02158018A (en) * | 1988-12-12 | 1990-06-18 | Ngk Insulators Ltd | Optical fiber composite insulator |
CN2582013Y (en) * | 2002-11-20 | 2003-10-22 | 顺德特种变压器厂 | Hanging optical fibre composite isolator |
CN201181616Y (en) * | 2008-01-25 | 2009-01-14 | 中国西电电气股份有限公司 | Electric arc-resistant hollow combined insulator |
CN202384115U (en) * | 2011-12-30 | 2012-08-15 | 西安超码复合材料公司 | Optical fiber support composite insulator for optical electronic transformer |
CN203165586U (en) * | 2013-04-08 | 2013-08-28 | 丽水市中仪电力科技有限公司 | Composite fiber insulator |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104835604A (en) * | 2015-04-03 | 2015-08-12 | 华南理工大学 | One-large two-small umbrella-shaped DC composite post insulator for high-altitude area |
CN105047330A (en) * | 2015-08-27 | 2015-11-11 | 武汉华高高电压设备新技术有限公司 | Optical fiber insulator |
CN106992047A (en) * | 2017-05-04 | 2017-07-28 | 江苏神马电力股份有限公司 | A kind of insulator |
WO2018201927A1 (en) * | 2017-05-04 | 2018-11-08 | 江苏神马电力股份有限公司 | Insulator |
CN106992047B (en) * | 2017-05-04 | 2020-05-12 | 江苏神马电力股份有限公司 | Insulator |
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Application publication date: 20140312 |
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