CN103472550A - Cable interconnecting device for high-voltage transmission line - Google Patents
Cable interconnecting device for high-voltage transmission line Download PDFInfo
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- CN103472550A CN103472550A CN2013104072146A CN201310407214A CN103472550A CN 103472550 A CN103472550 A CN 103472550A CN 2013104072146 A CN2013104072146 A CN 2013104072146A CN 201310407214 A CN201310407214 A CN 201310407214A CN 103472550 A CN103472550 A CN 103472550A
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- optical cable
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- transmission line
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Abstract
The invention provides a cable interconnecting device for a high-voltage transmission line. The cable interconnecting device comprises an interconnecting barrel, a movable cover, an optical fiber plug installation plate, a fixed cover, grading rings and a connecting rod. The movable cover and the fixed cover are respectively fixed at the upper end and the lower end of the interconnecting barrel, the grading rings are arranged at the periphery of the movable cover and the periphery of the fixed cover, the grading rings are fixed with the interconnecting barrel in a welding mode, the optical fiber plug installation plate is arranged in the interconnecting barrel and parallel to the fixed cover, the connecting rod sequentially penetrates through the movable cover, the optical fiber plug installation plate and the fixed cover from top to bottom, and the grading rings, the connecting rod and the interconnecting barrel are all made of 5A02 materials. The cable interconnecting device for the high-voltage transmission line is stable in structure and small in mechanical machining difficulty, can finish interconnecting of cables and can further avoid corona discharge.
Description
Technical field
The invention belongs to the transmission line of electricity technical field, be specifically related to a kind of interconnecting device of the optical cable for ultra-high-tension power transmission line.
Background technology
Optical fiber has that reelability is good, aperture is little, loss is low, can long-distance transmissions, can improve optical field distribution, obtain the advantages such as circular symmetry hot spot of high-level efficiency, small-bore, to practical application, bring great convenience.Optical fiber is generally a kind of light conduction instrument that utilizes the total reflection of light in the fiber that glass or plastics are made and reach, by the insulating material manufacture, non-conductive.Thereby, when some occasion needs electrical isolation and must realize the signal transmission, optical fiber just becomes signal transport vehicle commonly used.
Because optical fiber in use has easy essence, not anti-extruding, the characteristics such as not shock-resistant as signal transmssion line, need the specialty optical fiber interconnecting device at some special occasions, to realize the switching of optical fiber and optical fiber.The disclosure of the invention that application number is 201310081474.9 a kind of resistance to compression optical fiber airtight switching box body, comprise the first fiber-optical socket plate and the second fiber-optical socket plate of encapsulating body, number cover bare fibre assembly, encapsulating body both sides.The installing optical fibres connector all distributes on each fiber-optical socket plate.The encapsulating body is symmetrically arranged with several encapsulating cylinders that run through the encapsulating body along central shaft.The bare fibre assembly passes from the encapsulating cylinder; be connected to form the optic fibre switching socket with the joints of optical fibre on the first fiber-optical socket plate, the second fiber-optical socket plate; inject liquid sealant by gradation in the encapsulating cylinder and realize the sealing to the bare fibre assembly; thereby the gas passage that cuts off bare fibre assembly two ends; the bare fibre assembly is outside equipped with the fiber optic protection cylinder, and the fiber optic protection cylinder is connected with both sides, encapsulating inside and outside outer wall.
The patent of invention that application number is 201110388681.X discloses a kind of optical fiber airtight transfer socket, comprise housing and be arranged at the contact pin component in housing, contact pin component comprises two ceramic contact pins and connects the optical cable of the belt leather of two ceramic contact pins, two ceramic contact pins are assemblied in a sheath and by sheath and are assemblied in housing after connecting by optical cable, and the inserted terminal of two ceramic contact pins stretches out respectively the corresponding end of sheath.
The patent of invention that application number is 200810140722.1 discloses a kind of seal socket for wall penetration optical fibers, comprise Socket casing, be fixed with ring flange in Socket casing, establish the contact pin of optical fiber in fixedly being fitted with in ring flange, stretch out from the two ends of ring flange respectively at the two ends of contact pin, be provided with a plurality of outer O-ring seals between flange plate outer ring and Socket casing inwall, be provided with axial pin holes in ring flange, be provided with a plurality of interior O-ring seals that are sleeved on contact pin in pin holes.
The patent of invention that application number is 200910218516.2 discloses a kind of isolated optical fiber seal switching device, comprise interior side flange, outer flange and glass-to-metal seal window, the glass-to-metal seal window is welded on outer flange, the calm device of interior side flange is inboard with outer flange is fixed and the glass-to-metal seal window is clipped between interior side flange and outer flange, and outer flange is used for being tightly connected from outside of containers and container joint; Be provided with at least one collimating apparatus mounting hole on interior side flange, be provided with respective numbers and position collimating apparatus mounting hole one to one on outer flange, be fixed with respectively optical fiber collimator in each collimating apparatus mounting hole, optical fiber collimator on interior side flange penetrates for the light signal of input being transformed into to directional light, and the optical fiber collimator on outer flange is for receiving the directional light of incident and the directional light received being coupled in optical fiber and being transmitted; The glass-to-metal seal window comprises optical glass and, with the thin-wall metal cylinder of flange, the glass-to-metal seal window is for medium and the light conducting signal of isolating seal windowpane both sides.
In high voltage AC and DC transmission of electricity process, some occasion need to be installed on the weak electric signal measurement mechanism under high voltage environment, the signal obtained by measurement mechanism is generally electric signal, and the electric signal of high-voltage side is just directly to transfer to the low voltage side on ground through processing.The high-voltage side electric signal transmission can be used to two kinds of methods to ground, a kind of is radio communication, is applicable in situation that the transfer rate of signal is not too high; A kind of is optical fiber communication, but the high-speed transfer signal.In optical fiber communication, the measuring-signal of high-voltage side will lead to low voltage side by optical fiber insulator after changing light signal into, and, at this process intermediate demand optical cable interconnecting device, how to design the structure of optical cable interconnecting device and can avoid causing that corona discharge is the key that guarantees optical cable interconnecting device availability under high voltage environment.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of interconnecting device of the optical cable for ultra-high-tension power transmission line, Stability Analysis of Structures, mechanical processing difficulty is little, can will complete the switching of optical cable, can prevent from causing again corona discharge.
In order to realize the foregoing invention purpose, the present invention takes following technical scheme:
A kind of interconnecting device of the optical cable for ultra-high-tension power transmission line is provided, and described optical cable interconnecting device comprises switching cylinder, removable cover, Optical fiber plug installing plate, fixed cap, grading ring and connecting link; Described removable cover and fixed cap are separately fixed at the top and bottom of described switching cylinder, are equipped with grading ring around both, and described grading ring is fixing with the switching cylinder by welding manner; It is inner that described Optical fiber plug installing plate is positioned at described switching cylinder, and be arranged in parallel with described fixed cap, and described connecting link is from top to bottom successively through removable cover, Optical fiber plug installing plate and fixed cap; The material that described grading ring, connecting link and switching cylinder adopt is 5A02.
The internal diameter of described grading ring equates with the external diameter of described switching cylinder; The internal diameter of described switching cylinder and the equal diameters of described Optical fiber plug installing plate.
The barrel thickness of described switching cylinder is 2～12mm, and it is highly 250～500mm, and the internal diameter of described grading ring is 250～400mm.
Described removable cover is provided with band pad screw hole, optical cable input hole and connecting link input hole; Band pad screw is connected removable cover through described band pad screw hole with described switching cylinder.
Described Optical fiber plug installing plate is provided with band pad screw hole and fiber alignment flange; Band pad screw is connected the Optical fiber plug installing plate through described band pad screw hole with the cylinder that stretches out of described fixed cap, described fiber alignment flange is provided with 8,10,12 or 14, evenly is arranged on described Optical fiber plug installing plate.
The material that described Optical fiber plug installing plate and fiber alignment flange adopt is 0Cr13Al, it is with the alloy preparation that carbon content is 0.075%, silicone content is 0.94%, manganese content is 0.97%, phosphorus content is 0.035%, sulfur content is 0.025%, chromium content is 14.0%, surplus is iron, and described percentage is percent by weight.
Described fixed cap is provided with band pad screw hole, optical cable delivery outlet and connecting link delivery outlet; Band pad screw is connected fixed cap through described band pad screw hole with the switching cylinder, and is connected with described connecting link by welding manner.
Also be provided with the cylinder that stretches out perpendicular to fixed cap on described fixed cap, it is highly 200～300mm.
Described connecting link upper end is provided with connecting hole, by described connecting hole, described optical cable interconnecting device is connected with optical cable; Its lower end is provided with connecting link clamp and band pad screw hole, by the connecting link clamp, connecting link is connected with the switching cylinder, and is undertaken fastening by band pad screw.
Described 5A02 adopts that content of magnesium is 2.0～2.8%, manganese content is 0.15～0.4%, copper content is 0.1%, iron content is 0.2%, silicone content is 0.4%, Ti content is 0.1%, prepared by the alloy that all the other be aluminium, and described percentage is mass percent.
Compared with prior art, beneficial effect of the present invention is:
1. the grading ring in this optical cable interconnecting device is circular, by the smooth surface obtained by machining, can under high voltage environment, reduce surface field intensity;
2. 8 fiber alignment flanges are arranged on the Optical fiber plug installing plate, by the input optical cable is divided into to 4 parts, by different fiber alignment flanges then four parts altogether, so both can safe transmission also can make structure more firm.
3. this optical cable interconnecting device mechanical processing difficulty is little, can will complete the switching of optical cable, can prevent from causing again corona discharge.
The accompanying drawing explanation
Fig. 1 is for the optical cable interconnecting device structural representation of ultra-high-tension power transmission line in the embodiment of the present invention;
Fig. 2 is Equalized voltage ring construction schematic diagram in the embodiment of the present invention;
Fig. 3 is embodiment of the present invention transfer extend neck and grading ring syndeton schematic diagram;
Fig. 4 is movable cover structure schematic diagram in the embodiment of the present invention;
Fig. 5 is Optical fiber plug mounting plates structure schematic diagram in the embodiment of the present invention;
Fig. 6 is fixed cap structural representation in the embodiment of the present invention;
Fig. 7 is connecting link schematic diagram in the embodiment of the present invention;
Wherein, the 1-connecting link, the 2-removable cover, 3-band pad screw, the 4-grading ring, 5-band pad screw hole, 6-Optical fiber plug installing plate, 7-transfer tin, the 8-fixed cap, 9-connecting link clamp, 10-fiber alignment flange, 11-stretches out cylinder, the 12-connecting hole.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, a kind of interconnecting device of the optical cable for ultra-high-tension power transmission line is provided, described optical cable interconnecting device comprises switching cylinder 7, removable cover 2, Optical fiber plug installing plate 6, fixed cap 8, grading ring 4 and connecting link 1; Described removable cover 2 and fixed cap 8 are separately fixed at the top and bottom of described switching cylinder 7, are equipped with grading ring 4 around both, and described grading ring 4 is fixing with switching cylinder 7 by welding manner; Described Optical fiber plug installing plate 6 is positioned at described switching cylinder 7 inside, and be arranged in parallel with described fixed cap 8, and described connecting link 1 is from top to bottom successively through removable cover 2, Optical fiber plug installing plate 6 and fixed cap 8; The material that described grading ring 4, connecting link 1 and switching cylinder 7 adopt is 5A02.
The internal diameter of described grading ring 4 equates with the external diameter of described switching cylinder 7; The internal diameter of described switching cylinder 7 and the equal diameters of described Optical fiber plug installing plate 6.
The barrel thickness of described switching cylinder 7 is 2～12mm, and it is highly 250～500mm, and the internal diameter of described grading ring 4 is 250～400mm.
Described removable cover 2 is provided with band pad screw hole, optical cable input hole and connecting link input hole; Band pad screw 3 is connected removable cover 2 through described band pad screw hole with described switching cylinder 7.
Described Optical fiber plug installing plate 6 is provided with band pad screw hole 5 and fiber alignment flange 10; Band pad screw is connected Optical fiber plug installing plate 6 through described band pad screw hole 5 with the cylinder 11 that stretches out of described fixed cap 8, and is welded, and described fiber alignment flange 10 is provided with 8, evenly is arranged on described Optical fiber plug installing plate 6.
The material that described Optical fiber plug installing plate 6 and fiber alignment flange 10 adopt is 0Cr13Al, it is with the alloy preparation that carbon content is 0.075%, silicone content is 0.94%, manganese content is 0.97%, phosphorus content is 0.035%, sulfur content is 0.025%, chromium content is 14.0%, surplus is iron, and described percentage is percent by weight.
Described fixed cap 8 is provided with band pad screw hole, optical cable delivery outlet and connecting link delivery outlet; Band pad screw is connected fixed cap 8 through described band pad screw hole with switching cylinder 7, and is connected with described connecting link 1 by welding manner.
On described fixed cap 8, also be provided with perpendicular to fixed cap 8 stretch out the cylinder 11, it is highly 200～300mm.
Described connecting link 1 upper end is provided with connecting hole 12, by described connecting hole 12, described optical cable interconnecting device is connected with optical cable; Its lower end is provided with connecting link clamp 9 and band pad screw hole, by connecting link clamp 9, connecting link 1 is connected with switching cylinder 7, and is undertaken fastening by band pad screw.
Described 5A02 adopts that content of magnesium is 2.0～2.8%, manganese content is 0.15～0.4%, copper content is 0.1%, iron content is 0.2%, silicone content is 0.4%, Ti content is 0.1%, prepared by the alloy that all the other be aluminium, and described percentage is mass percent.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. the interconnecting device of the optical cable for ultra-high-tension power transmission line is characterized in that: described optical cable interconnecting device comprises switching cylinder, removable cover, Optical fiber plug installing plate, fixed cap, grading ring and connecting link; Described removable cover and fixed cap are separately fixed at the top and bottom of described switching cylinder, are equipped with grading ring around both, and described grading ring is fixing with the switching cylinder by welding manner; It is inner that described Optical fiber plug installing plate is positioned at described switching cylinder, and be arranged in parallel with described fixed cap, and described connecting link is from top to bottom successively through removable cover, Optical fiber plug installing plate and fixed cap; The material that described grading ring, connecting link and switching cylinder adopt is 5A02.
2. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 1 is characterized in that: the internal diameter of described grading ring equates with the external diameter of described switching cylinder; The internal diameter of described switching cylinder and the equal diameters of described Optical fiber plug installing plate.
3. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 2 is characterized in that: the barrel thickness of described switching cylinder is 2～12mm, and it is highly 250～500mm, and the internal diameter of described grading ring is 250～400mm.
4. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 1 is characterized in that: described removable cover is provided with band pad screw hole, optical cable input hole and connecting link input hole; Band pad screw is connected removable cover through described band pad screw hole with described switching cylinder.
5. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 2 is characterized in that: described Optical fiber plug installing plate is provided with band pad screw hole and fiber alignment flange; Band pad screw is connected the Optical fiber plug installing plate through described band pad screw hole with the cylinder that stretches out of described fixed cap, described fiber alignment flange is provided with 8,10,12 or 14, evenly is arranged on described Optical fiber plug installing plate.
6. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 5, it is characterized in that: the material that described Optical fiber plug installing plate and fiber alignment flange adopt is 0Cr13Al, it is with the alloy preparation that carbon content is 0.075%, silicone content is 0.94%, manganese content is 0.97%, phosphorus content is 0.035%, sulfur content is 0.025%, chromium content is 14.0%, surplus is iron, and described percentage is percent by weight.
7. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 1 is characterized in that: described fixed cap is provided with band pad screw hole, optical cable delivery outlet and connecting link delivery outlet; Band pad screw is connected fixed cap through described band pad screw hole with the switching cylinder, and is connected with described connecting link by welding manner.
8. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 7, it is characterized in that: also be provided with the cylinder that stretches out perpendicular to fixed cap on described fixed cap, it is highly 200～300mm.
9. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 1, it is characterized in that: described connecting link upper end is provided with connecting hole, by described connecting hole, described optical cable interconnecting device is connected with optical cable; Its lower end is provided with connecting link clamp and band pad screw hole, by the connecting link clamp, connecting link is connected with the switching cylinder, and is undertaken fastening by band pad screw.
10. the interconnecting device of the optical cable for ultra-high-tension power transmission line according to claim 1, it is characterized in that: described 5A02 adopts that content of magnesium is 2.0～2.8%, manganese content is 0.15～0.4%, copper content is 0.1%, iron content is 0.2%, silicone content is 0.4%, Ti content is 0.1%, the alloy preparation that all the other are aluminium, described percentage is mass percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407214.6A CN103472550B (en) | 2013-09-09 | 2013-09-09 | Cable interconnecting device for high-voltage transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407214.6A CN103472550B (en) | 2013-09-09 | 2013-09-09 | Cable interconnecting device for high-voltage transmission line |
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| Publication Number | Publication Date |
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| CN103472550A true CN103472550A (en) | 2013-12-25 |
| CN103472550B CN103472550B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310407214.6A Active CN103472550B (en) | 2013-09-09 | 2013-09-09 | Cable interconnecting device for high-voltage transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092496A (en) * | 2014-07-14 | 2014-10-08 | 国家电网公司 | Optical communication system applied to high-voltage iron tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793921A (en) * | 1995-03-20 | 1998-08-11 | Psi Telecommunications, Inc. | Kit and method for converting a conductive cable closure to a fiber optic cable closure |
| CN101587214A (en) * | 2009-06-25 | 2009-11-25 | 哈尔滨工业大学 | Soft insulating optical fiber insulator |
| CN202474795U (en) * | 2012-03-13 | 2012-10-03 | 福建三元达通讯股份有限公司 | Switching box for photoelectric composite cable |
| CN103135178A (en) * | 2013-03-15 | 2013-06-05 | 中国工程物理研究院核物理与化学研究所 | Anti-compression optical fiber air-tight-seal interconnecting box body |
| CN203405612U (en) * | 2013-09-09 | 2014-01-22 | 国家电网公司 | Optical cable switching box for high voltage transmission line |
-
2013
- 2013-09-09 CN CN201310407214.6A patent/CN103472550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793921A (en) * | 1995-03-20 | 1998-08-11 | Psi Telecommunications, Inc. | Kit and method for converting a conductive cable closure to a fiber optic cable closure |
| CN101587214A (en) * | 2009-06-25 | 2009-11-25 | 哈尔滨工业大学 | Soft insulating optical fiber insulator |
| CN202474795U (en) * | 2012-03-13 | 2012-10-03 | 福建三元达通讯股份有限公司 | Switching box for photoelectric composite cable |
| CN103135178A (en) * | 2013-03-15 | 2013-06-05 | 中国工程物理研究院核物理与化学研究所 | Anti-compression optical fiber air-tight-seal interconnecting box body |
| CN203405612U (en) * | 2013-09-09 | 2014-01-22 | 国家电网公司 | Optical cable switching box for high voltage transmission line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092496A (en) * | 2014-07-14 | 2014-10-08 | 国家电网公司 | Optical communication system applied to high-voltage iron tower |
| CN104092496B (en) * | 2014-07-14 | 2017-04-12 | 国家电网公司 | Optical communication system applied to high-voltage iron tower |
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| Publication number | Publication date |
|---|---|
| CN103472550B (en) | 2015-07-08 |
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