CN103489546A - Insulation tube for optical fiber insulator and manufacturing method thereof and optical fiber insulator - Google Patents
Insulation tube for optical fiber insulator and manufacturing method thereof and optical fiber insulator Download PDFInfo
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- CN103489546A CN103489546A CN201310437031.9A CN201310437031A CN103489546A CN 103489546 A CN103489546 A CN 103489546A CN 201310437031 A CN201310437031 A CN 201310437031A CN 103489546 A CN103489546 A CN 103489546A
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- optical fiber
- insulated tube
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Abstract
The invention discloses an insulation tube for an optical fiber insulator, a manufacturing method of the optical fiber insulator and the optical fiber insulator. A tube wall of the insulation tube is formed on an elastic framework, the elastic framework is distributed in the extending direction of the insulation tube, and the elastic framework is provided with a C-shaped or annular supporting piece. According to the insulation tube, the elastic framework made of flexible base materials is adopted, a composite insulation sheath is formed on the insulation tube of the elastic framework, the insulation tube has definite elasticity and bendability, the elastic framework is formed inside the insulation tube made of the flexible base materials, the shape of an inner cavity of the insulation tube can be guaranteed, and the original shape of the inner cavity cannot be lost due to external force extrusion; in a designed bending radius, the structure of the insulation tube cannot be damaged, the insulation tube has definite strength, the structure of the inner cavity can be kept, production, transportation and storage of the insulator are facilitated, and meanwhile due to the fact that the insulator is made of elastic materials on the whole, the optical fiber penetrating inside the insulator has definite elastic adaptability.
Description
Technical field
The invention belongs to high voltage direct current power transmission and distribution field, be specifically related to a kind of insulated tube and manufacture method and optical fiber insulator for optical fiber insulator of high voltage direct current transmission high pressure optical current mutual inductor.
Background technology
The method of traditional high-voltage current measurement is to utilize the electromagnetic transformer based on electromagnetic induction principle to measure electric current, but along with the continuous increase of power capacity, the continuous rising of electric pressure, traditional electromagnetic transformer presents a unsurmountable difficult problem.In large capacity, ultrahigh voltage power system, traditional electromagnetic transformer can cause the phenomenon of measurement result serious distortion.But because Optical Fiber Transmission current signal transfer efficiency is high, stable performance, measurement be accurate, so traditional electromagnetic current transducer is replaced by the photo-electricity mutual-inductor based on optical principle gradually.In this photo-electricity mutual-inductor, optical fiber is being born the task of signal transmission.Be subject to the interference of external signal for fear of the signal of Optical Fiber Transmission, optical fiber needs composite insulator to provide external insulation for this optical fiber in the transmission current signal process.A new generation's photoelectricity instrument transformer structure is light and handy, be quick on the draw, signal is accurate, and the signal of output is light signal, is convenient to gather, measures and controls.Owing to supporting weight (construction weight of high-pressure side) greatly to reduce, therefore the post insulator as photo-electricity mutual-inductor also becomes more and more lighter and handier.
The optical fiber insulator of high voltage direct current equipment for power transmission and distribution comprises compound inslation sheath and insulated tube two parts: insulating sleeve is comprised of several composite silicone rubber full skirts that vary in size, domestic production composite silicone rubber full skirt is generally to adopt injection moulding at present, splicing is bonded on insulated tube again, forms integral insulation.In present insulator, insulated tube generally adopts hollow glass filament steel winding cylinder, the glass fiber steel cylinder adopts glass fiber to add epoxy resin and is wound around one-shot forming, belong to hard material, because electric pressure in the extra-high voltage direct-current transmission engineering is higher, cause the insulator length of optical transformer larger, generally, all more than 10 meters, be unfavorable for production, transportation and the storage of insulator; Simultaneously, because insulator integral body is hard material, the optical fiber that insulator inside the is run through adaptation that lacks flexibility.
Chinese Patent Application No. is 201120569520.6 all to disclose a kind of optical fiber insulator, its compound edge sheath adopts composite silicone rubber full skirt or high-temperature vulcanized silicon full skirt cover, its insulated tube is all to adopt glass fiber yarn and basis material (epoxy resin, vinylite, or polyurethane resin) be composited, there are the problems referred to above in former capital.
Summary of the invention
The purpose of this invention is to provide the manufacture method of a kind of optical fiber insulator with insulated tube, the problem that lacks flexibility and adapt to solve the difficult optical fiber of producing, transporting and store and insulator inside is run through of existing fiber insulator provides a kind of optical fiber insulator that utilizes the insulated tube of the method manufacture and use this insulated tube simultaneously.
In order to realize above purpose, the technical scheme that optical fiber insulator of the present invention adopts by the manufacture method of insulated tube is: the manufacture method of insulated tube for a kind of optical fiber insulator, the tube wall of the described insulated tube of moulding on an elastic skeleton, described elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
Described elastic skeleton adopts elastic insulated elastomeric material; The tube wall of described insulated tube is formed in the elastic skeleton moulding by the PVC basis material.
Described elastic skeleton is linked in sequence and is formed helical structure by one group of C shape strutting piece.
The technical scheme that optical fiber insulator of the present invention adopts with insulated tube is: comprise an elastic skeleton, the tube wall of the described insulated tube of moulding on elastic skeleton, described elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
Described elastic skeleton adopts elastic insulated elastomeric material; The tube wall of described insulated tube is formed in the elastic skeleton moulding by the PVC basis material.
Described elastic skeleton is linked in sequence and is formed helical structure by one group of C shape strutting piece.
The technical scheme that optical fiber insulator of the present invention adopts is: comprise hollow insulated tube and the insulating sleeve that is arranged on hollow insulated tube outer surface, described hollow insulated tube comprises an elastic skeleton, the tube wall of the described insulated tube of moulding on elastic skeleton, described elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
Described elastic skeleton adopts elastic insulated elastomeric material; The tube wall of described insulated tube is formed in the elastic skeleton moulding by the PVC basis material.
Described elastic skeleton is linked in sequence and is formed helical structure by one group of C shape strutting piece.
Insulated tube and manufacture method and optical fiber insulator for optical fiber insulator of the present invention, its insulated tube adopts the flexible substrate material, be equipped with the insulated tube of elastic skeleton, the compound inslation sheath is molded on the insulated tube that is equipped with elastic skeleton, make insulated tube possess certain elasticity and flexible, elastic skeleton is molded over the insulated tube inside of flexible substrate material, plays the supporting role of insulated tube, can guarantee the shape of insulated tube internal cavities, can not lose its original shape because of the external force extruding; And in the design bending radius, insulating tube structure can be not destroyed, and possesses certain intensity, can keep inner cavity structure, such structure is convenient to the production of insulator, and transportation stores, because insulator integral body is elastomeric material, the optical fiber that insulator inside is run through also has certain elasticity adaptive capacity simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of optical fiber insulator embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of optical fiber insulator of the present invention;
Fig. 3 is the insulation unit figure of Split type insulator of the present invention;
Fig. 4 is the structure chart of annular support member;
Fig. 5 is the elastic skeleton structure chart that C shape strutting piece forms.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.
The invention provides the manufacture method of a kind of optical fiber insulator with insulated tube, the tube wall of profiled insulation pipe on an elastic skeleton, elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
The elastic skeleton of the present embodiment adopts elastic insulated elastomeric material, and the tube wall of insulated tube is formed in the elastic skeleton moulding by the PVC basis material; Elastic skeleton can be the helical structure that is linked in sequence and is formed by one group of C shape strutting piece, and as shown in Figure 5, this spirality elastic skeleton can be integral structure, can be also split type package assembly; In addition, this elastic skeleton also can be for by one group of spaced structure formed of annular support member as shown in Figure 4.
Elastic skeleton is molded over the insulated tube inside of PVC material, plays the supporting role of PVC insulated tube, can guarantee the shape of insulated tube internal cavities, can not lose its original shape because of the external force extruding.
The present invention also provides a kind of insulated tube that utilizes above-mentioned manufacture method to produce, the structure of this insulated tube and material as mentioned above,
Be the structural representation of optical fiber insulator embodiment provided by the invention as shown in FIG. 1 to 3, as seen from the figure, this optical fiber insulator comprises hollow insulated tube 3 and the insulating sleeve 2 that is arranged on hollow insulated tube outer surface, and the two ends of hollow insulated tube 3 are connected with flange 1.The structure of hollow insulated tube 3 and material are as mentioned above, consider that the photo-electricity mutual-inductor insulator do not do requirement to the bending resistance of insulator, just play the protection internal optical fiber, and realize the function of an insulation against ground, therefore the above-mentioned insulated tube that adopts flexible material that has is provided, be equipped with the pvc pipe of elastic caoutchouc skeleton, the injection moulding of compound inslation sheath is on the pvc pipe that is equipped with the elastic caoutchouc skeleton, and this insulated tube possesses certain flexible, in the design bending radius, insulating tube structure can be not destroyed, and possesses certain intensity, can keep inner cavity structure.
The photo-electricity mutual-inductor of the present embodiment has following two kinds of structures:
(1) Integral-type insulator: hollow insulated tube is designed to an integral tube as required, and by composite insulation outer coat in its surperficial injection moulding.It is higher that the insulator of this structure mainly is used in insulating requirements, the situation that environment for use is severe, integral type injection moulding can farthest improve insulator anti-pollution ability and rainproof sudden strain of a muscle ability, simultaneously because inner isolated pipe is flexible duct, permission has certain bending in production, transportation, storing process, has reduced the difficulty that above link produces for meeting the maximum overall dimension of insulator.
As shown in Figure 2, this Integral-type insulator is divided into three parts: hollow insulated tube 3, insulating sleeve 2 and flange 1, the embedded elastic skeleton formed by annular support member 4 of insulated tube, insulating sleeve 2 injection mouldings are on the surface of hollow insulated tube 3, and hollow insulated tube 3 is connected with flange 1.
(2) Split type insulator: insulator designs as required and is divided into some joints, between each joint, relies on and self is threaded.Be illustrated in figure 3 a joint insulation unit wherein, form complete insulator shown in Fig. 1 after some joint insulation unit assemblings, when assembling, utilize the wherein set external screw thread 6 of joint insulation unit insulated tube one end to be screwed in the internal thread 5 of another joint insulation unit insulated tube other end, become a large insulating subunit, be connected to become one by one so in turn an insulation daughter, two ends adpting flange again form insulator.
Claims (9)
1. the manufacture method of insulated tube for an optical fiber insulator, it is characterized in that: the tube wall of the described insulated tube of moulding on an elastic skeleton, described elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
2. the manufacture method of insulated tube for optical fiber insulator according to claim 1, it is characterized in that: described elastic skeleton adopts elastic insulated elastomeric material; The tube wall of described insulated tube is formed in the elastic skeleton moulding by the PVC basis material.
3. the manufacture method of insulated tube for optical fiber insulator according to claim 1 and 2, it is characterized in that: described elastic skeleton is linked in sequence and is formed helical structure by one group of C shape strutting piece.
4. an optical fiber insulator insulated tube is characterized in that: comprise an elastic skeleton, and the tube wall of the described insulated tube of moulding on elastic skeleton, described elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
5. optical fiber insulator insulated tube according to claim 5, it is characterized in that: described elastic skeleton adopts elastic insulated elastomeric material; The tube wall of described insulated tube is formed in the elastic skeleton moulding by the PVC basis material.
6. according to the described optical fiber insulator insulated tube of claim 5 or 6, it is characterized in that: described elastic skeleton is linked in sequence and is formed helical structure by one group of C shape strutting piece.
7. an optical fiber insulator, comprise hollow insulated tube and the insulating sleeve that is arranged on hollow insulated tube outer surface, it is characterized in that: described hollow insulated tube comprises an elastic skeleton, the tube wall of the described insulated tube of moulding on elastic skeleton, described elastic skeleton distributes along the bearing of trend of insulated tube, and described elastic skeleton has the strutting piece of C ring shape.
8. optical fiber insulator according to claim 7, it is characterized in that: described elastic skeleton adopts elastic insulated elastomeric material; The tube wall of described insulated tube is formed in the elastic skeleton moulding by the PVC basis material.
9. according to the described optical fiber insulator of claim 7 or 8, it is characterized in that: described elastic skeleton is linked in sequence and is formed helical structure by one group of C shape strutting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437031.9A CN103489546B (en) | 2013-09-23 | 2013-09-23 | Insulation tube for optical fiber insulator and manufacturing method thereof and optical fiber insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437031.9A CN103489546B (en) | 2013-09-23 | 2013-09-23 | Insulation tube for optical fiber insulator and manufacturing method thereof and optical fiber insulator |
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| CN103489546A true CN103489546A (en) | 2014-01-01 |
| CN103489546B CN103489546B (en) | 2017-02-22 |
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| CN201310437031.9A Expired - Fee Related CN103489546B (en) | 2013-09-23 | 2013-09-23 | Insulation tube for optical fiber insulator and manufacturing method thereof and optical fiber insulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157378A (en) * | 2014-08-18 | 2014-11-19 | 国家电网公司 | Composite wiring insulation bottle |
| CN107356218A (en) * | 2017-07-26 | 2017-11-17 | 国网山东省电力公司临朐县供电公司 | Transmission line icing monitoring system |
| CN108801970A (en) * | 2018-06-11 | 2018-11-13 | 清华大学深圳研究生院 | The detection method of support insulator boundary defect and interface state |
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| JPH01166422A (en) * | 1987-12-21 | 1989-06-30 | Ngk Insulators Ltd | Lightning insulator |
| WO1999063377A1 (en) * | 1998-06-01 | 1999-12-09 | Minnesota Mining And Manufacturing Company | High voltage insulator for optical fibers |
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| CN200946723Y (en) * | 2006-06-27 | 2007-09-12 | 漯河科莱堡洁具配件有限公司 | Plastic screw enwound reinforced composite hose |
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| CN101341639A (en) * | 2005-12-23 | 2009-01-07 | Abb技术有限公司 | A method for manufacturing a post insulator and a post insulator |
| CN201765889U (en) * | 2010-08-24 | 2011-03-16 | 河南电力试验研究院 | High-voltage insulation strut |
| CN102055164A (en) * | 2010-11-10 | 2011-05-11 | 王飞鹏 | Internal insulation tube for internal stress liner of middle joint of 10-35 KV high-voltage cable |
| CN103021589A (en) * | 2012-12-05 | 2013-04-03 | 江苏神马电力股份有限公司 | Support composite insulator for isolating switch and filled with solid insulating media |
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2013
- 2013-09-23 CN CN201310437031.9A patent/CN103489546B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01166422A (en) * | 1987-12-21 | 1989-06-30 | Ngk Insulators Ltd | Lightning insulator |
| WO1999063377A1 (en) * | 1998-06-01 | 1999-12-09 | Minnesota Mining And Manufacturing Company | High voltage insulator for optical fibers |
| CN2859160Y (en) * | 2005-08-05 | 2007-01-17 | 赵连英 | Screwed PVC hose |
| CN101341639A (en) * | 2005-12-23 | 2009-01-07 | Abb技术有限公司 | A method for manufacturing a post insulator and a post insulator |
| CN101079537A (en) * | 2006-05-24 | 2007-11-28 | 蒂科电子雷切姆有限责任公司 | Supporting screw pipe with mechanical locking device and manufacturing method thereof |
| CN200946723Y (en) * | 2006-06-27 | 2007-09-12 | 漯河科莱堡洁具配件有限公司 | Plastic screw enwound reinforced composite hose |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157378A (en) * | 2014-08-18 | 2014-11-19 | 国家电网公司 | Composite wiring insulation bottle |
| CN107356218A (en) * | 2017-07-26 | 2017-11-17 | 国网山东省电力公司临朐县供电公司 | Transmission line icing monitoring system |
| CN108801970A (en) * | 2018-06-11 | 2018-11-13 | 清华大学深圳研究生院 | The detection method of support insulator boundary defect and interface state |
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| CN103489546B (en) | 2017-02-22 |
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