CN202166765U - Ultralow loss and temperature OPGW optical cable - Google Patents
Ultralow loss and temperature OPGW optical cable Download PDFInfo
- Publication number
- CN202166765U CN202166765U CN2011202459589U CN201120245958U CN202166765U CN 202166765 U CN202166765 U CN 202166765U CN 2011202459589 U CN2011202459589 U CN 2011202459589U CN 201120245958 U CN201120245958 U CN 201120245958U CN 202166765 U CN202166765 U CN 202166765U
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- temperature
- low
- loss
- fiber
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Communication Cables (AREA)
Abstract
The utility model relates to an ultralow loss and temperature OPGW optical cable which is especially suitable for an extra-high voltage long distance transmission network which is long in distance, big in capacity and low in loss. The ultralow loss and temperature OPGW optical cable can be used for the communication in severe environments, such as high altitude environment, low temperature environment, severe cold environment, dry climate environment, complex and changeable environment, and dust storm environment, and the like. The ultralow loss and temperature OPGW optical cable includes ultralow loss optical cables, G652D optical cables, a lower temperature fiber paste, first stainless steel pipes, second stainless steel pipes, inner high strength aluminium covered steel wires, and external high strength aluminium covered steel wires. The inside of the first stainless steel pipe is provided with the ultralow loss optical cables, and is evenly filled with a first stainless steel optical fiber unit which is composed of the low temperature fiber paste. The second stainless steel pipe is provided with the G652D optical fibers, and is evenly filled with a second stainless steel optical fiber unit which is composed of the low temperature fiber paste. The first stainless steel optical fiber unit and the second stainless steel optical fiber unit are synchronously twisted with the inner aluminium covered steel wires, and are evenly coated with the fiber paste, and then the outside is twisted by adopting the external aluminium covered steel wires, and finally the ultralow loss and temperature OPGW optical cable having two armored layers is formed.
Description
Technical field
The utility model relates to that a kind of ultra-low loss, ultralow temperature OPGW optical cable are specially adapted at a distance, high capacity, low-loss extra-high voltage long distance powedr transmission network, can be used for the communications field of height above sea level high and low temperature severe cold, multiple rugged surroundings such as dry and complicated and changeable, windy and dusty.
Background technology
Successful operation along with the southeast-Nanyang, 1000kV Shanxi-Jingmen extra-high-voltage alternating current experiment and demonstration engineering of the nearly 700km of fed distance; China has built up the work transmission line that electric pressure is the highest, technical merit is the highest, transport capacity is the strongest that is moving in the world; Indicate that China obtains important breakthrough on remote, high capacity, low-loss extra-high voltage core technology, and walk in the prostatitis in the world.Exchange building up of more extra-high voltage alternating current-direct current transmission line of electricity such as double back transmission line along with Xiang Jiaba～Shanghai, silk screen～southern Jiangsu ± 800kV extra-high voltage direct-current transmission engineering, Huainan-Shanghai 1000kV, China will form the extra-high voltage long distance powedr transmission network of maximum in the world.For further promoting power circuit communication technology level, the construction transmission range is farther, the transmission capacity non-relay fiber-optic communication project of overlength stop spacing bigger, that loss is lower seems particularly important.
Qinghai-Tibet ± 400kV DC networking project OPGW lightguide cable link be the high height above sea level of Chinese article one, the ultralow temperature ground head of district apart from overhead communication line, form by Xining-Golmud 750kV project of transmitting and converting electricity (1492 kilometers) and Golmud-Lhasa ± 400kV DC transmission engineering (1038 kilometers) two parts." the first in the world " of Qinghai-Tibet networking project:
(1) the longest high height above sea level DC power transmission line of distance: the highest height above sea level 5300m of circuit, mean sea level 4500m, its intermediate altitude account for 87% in the area more than 4000 meters;
(2) pass through the longest DC power transmission line of frozen soil mileage (about 565 kilometers of continuous for many years frozen soil): need to adopt the arrangement and method for construction of " with excavation, with supporting, sealing early, lining cutting soon ", solve technical barriers such as " containing native ice sheet ", " ice-rich permafrost ";
(3) the high height above sea level DC power transmission line of ecologic environment most fragile: height above sea level high and low temperature severe cold, dry and complicated and changeable, windy and dusty.Make great efforts to build ecological environment-friendly type engineering with plateau characteristic.
(4) lack a kind of OPGW optical cable that is applicable to Qinghai-Tibet ± 400kV DC networking project OPGW lightguide cable link at present.
Summary of the invention
The utility model purpose is to above-mentioned weak point a kind of ultra-low loss, ultralow temperature OPGW optical cable to be provided; Be a kind of remote, high capacity, low-loss extra-high voltage long distance powedr transmission network of being applicable to, can be used for the communications field of height above sea level high and low temperature severe cold, multiple rugged surroundings such as dry and complicated and changeable, windy and dusty.
The ULL ultra-low-loss fiber is after the OPGW production process is optical fiber coloring operation, light unit tubing operation, stranded stranding operation; Optical fiber attenuation is not more than 0.175dB/km under 1550nm; G652D optical fiber is after the OPGW production process is optical fiber coloring operation, light unit tubing operation, stranded stranding operation, and optical fiber attenuation is not more than 0.190dB/km under 1550nm.
By the OPGW optical cable of ULL ultra-low-loss fiber and G652D optical fiber co-production under the abominable low temperature of ultralow temperature-60 ℃, optical fiber under 1310nm and 1550nm wavelength additional attenuation less than 0.01dB.
The OPGW optical cable (Optical Fiber Composite Overhead Ground Wire) also claim OPGW.Be placed on optical fiber in the ground wire of aerial high voltage power line, in order to constitute the fiber optic communication network on the transmission line of electricity, this version has the ground wire and the dual-use function of communicating by letter concurrently, generally is called the OPGW optical cable.
The purpose of the utility model is in order to combine area, Qinghai-Tibet height above sea level, adverse weather conditions such as temperature is low, day and night temperature is big, windy and dusty weather; The used optical fiber of OPGW, fine cream and the supporting gold utensil annex of OPGW etc. have been proposed higher request for utilization; There are a lot of technology and application difficult point need develop tackling key problem, to reach the service requirement under this engineering-environment and the meteorological condition.
Ultra-low loss, ultralow temperature OPGW optical cable take following technical scheme to realize:
Ultra-low loss, ultralow temperature OPGW optical cable comprise ultra-low-loss fiber (ULL optical fiber), G652D optical fiber, the fine cream of low temperature, first stainless-steel tube, second stainless-steel tube, internal layer high-strength aluminium steel clad wire and outer high-strength aluminium steel clad wire.Ultra-low-loss fiber (ULL optical fiber) is installed in first stainless-steel tube; And evenly be filled with the fine cream of low temperature and form the first stainless steel fiber unit; G652D optical fiber is installed in second stainless-steel tube; And evenly be filled with the fine cream of low temperature and form the second stainless steel fiber unit, the external diameter of the said first stainless steel fiber unit and the second stainless steel fiber unit is φ 2.5～φ 2.7mm.The first stainless steel fiber unit and the second stainless steel fiber unit and unlined aluminium steel clad wire are stranded synchronously, evenly are coated with cable cream, and the outer aluminum-clad steel wire of outer employing carries out stranded, form ultra-low loss, the ultralow temperature OPGW optical cable of double armor.
Said ultralow temperature is-60 ℃ of ultralow temperature.The ultra-low loss ULL optical fiber that said ultra-low-loss fiber (ULL optical fiber) is produced for Corning Incorporated; Be called for short ULL optical fiber; The China's Electric Power Industry standard code, under the 1550nm window, optical fiber attenuation is not more than 0.22dB/km; The decay of healthy and free from worry ULL ultra-low-loss fiber is stipulated well below power industry standard, so be referred to as ultra-low-loss fiber.Said G652D optical fiber is no water peak single mode fiber.Said first stainless-steel tube and second stainless-steel tube are 304 stainless-steel tubes.The fine cream of said low temperature is the fine cream of-60 ℃ of low temperature.
The said first stainless steel fiber unit and the second stainless steel fiber unit adopt vertical bag welded structure; Described high-strength aluminium steel clad wire armouring unit is the plus tolerance aluminum-clad steel wire, adopts the layer-twisted type structure.
As the further improvement of the utility model, described fiber unit adopts healthy and free from worry ULL ultra-low-loss fiber, G652D optical fiber, the fine cream of low temperature and the vertical bag of stainless steel band to be welded diameter phi 2.5mm, φ 2.7mm, wall thickness 0.2mm.Be to improve the low temperature tolerance ability of fiber unit, promptly under the abominable low temperature of ultralow temperature-60 ℃, additional attenuation is less than 0.01dB under 1310nm and 1550nm wavelength for optical fiber, and we have adopted low temperature resistant fine cream and ultra-low-loss fiber (ULL optical fiber).Adopt the high-strength aluminium steel clad wire to carry out armouring; Improve the tensile strength and the load-bearing capacity of optical cable; Described high-strength aluminium steel clad wire adopts the plus tolerance type, and high-strength aluminium steel clad wire diameter is φ 2.5mm, φ 2.75mm, φ 3.1mm and φ 3.25mm, and optical cable tensile strength is greater than 137.4kN.
Said ultra-low loss, ultralow temperature OPGW optical cable are the supporting OPGW optical cable of Qinghai-Tibet ± 400kV DC networking project.
Ultra-low loss, ultralow temperature OPGW optical cable working method are following:
1, the stainless steel coiled material is installed to steel band and put on the tape holder, through the steel band traction engine steel band is led and deliver to steel pipe workbench place, the tension force of putting band will be stablized, and the phenomenon of shake can not be arranged, and puts the band Tension Control at 80～90N.
2, at steel pipe workbench place stainless steel band divided and switch to the required width of mould; The stainless steel band width is 10.35mm, and thickness is 0.2mm, enters into the steel pipe mould of φ 3.4mm then; The vertical stainless-steel tube that is bundled into seam; Simultaneously ultra-low-loss fiber (ULL optical fiber) is imported, optical fiber ointment is forced into 0.2MPa through air pump, is filled into stainless-steel pipe through oil-filled pin; Pass through laser-beam welding machine again; Vertical sealing welding behind the vertical wrap molding of stainless steel band is complete; Stainless steel fiber unit after welding is good through drawing mould, carries out drawing; Drawing die bore chi is φ 2.7mm and φ 2.5mm, and traction has just become complete stainless steel fiber unit through caterpillar tractor again.Stainless steel fiber unit after the drawing moulding is delivered to take-up stand through traction engine, and the tractive force of traction engine is 90～110N, on the drum of coiling steel pipe, promptly processes the first stainless steel fiber unit on the receipts.The surplus length of the first stainless steel fiber unit is controlled at 2.0-2.5 ‰.
3, at steel pipe workbench place stainless steel band divided and switch to the required width of mould; The stainless steel band width is 10.35mm, and thickness is 0.2mm, enters into the steel pipe mould of φ 3.4mm then; The vertical stainless-steel tube that is bundled into seam; Simultaneously G652D is imported, optical fiber ointment is forced into 0.2 MPa through air pump, is filled into stainless-steel pipe through oil-filled pin; Pass through laser-beam welding machine again; Vertical sealing welding behind the vertical wrap molding of stainless steel band is complete; Stainless steel fiber unit after welding is good through drawing mould, carries out drawing; Drawing die bore chi is φ 2.7mm and φ 2.5mm, and traction has just become complete stainless steel fiber unit through caterpillar tractor again.Stainless steel fiber unit after the drawing moulding is delivered to take-up stand through traction engine, and the tractive force of traction engine is 90～110N, on the drum of coiling steel pipe, promptly processes the second stainless steel fiber unit on the receipts.The second stainless steel fiber unit surplus length be controlled at 2.0-2.5 ‰.
4, the first stainless steel fiber unit and the second stainless steel fiber unit and internal layer high-strength aluminium steel clad wire is stranded synchronously; Evenly smear cable cream; Outer reusable outer high-strength aluminium steel clad wire carries out stranded, forms the OPGW optical cable of double armor, promptly processes ultra-low loss, ultralow temperature OPGW optical cable.
Ultra-low loss, ultralow temperature OPGW optical cable can be used for Qinghai-Tibet ± 400kV DC networking project OPGW optical cable, reasonable in design, and manufacturing technique method is unique, and attenuation loss is low, and is simple and reliable, and usability is good.
Ultra-low loss, ultralow temperature OPGW optical cable technology characteristics through the utility model making:
1, the low temperature resistant temperature of the optical fiber of ultralow temperature fiber unit reaches as high as-60 ℃, and high temperature reaches as high as+and 80 ℃.
2, the ULL low loss fiber is after the OPGW production process is optical fiber coloring operation, light unit tubing operation, stranded stranding operation; Optical fiber attenuation is not more than 0.175dB/km under 1550nm; G652D optical fiber is after the OPGW production process is optical fiber coloring operation, light unit tubing operation, stranded stranding operation, and optical fiber attenuation is not more than 0.190dB/km under 1550nm.
,By the OPGW optical cable of ULL low loss fiber and G652D optical fiber co-production under the abominable low temperature of ultralow temperature-60 ℃, optical fiber under 1310nm and 1550nm wavelength additional attenuation less than 0.01dB.
4, Qinghai-Tibet ± 400kV DC networking project OPGW lightguide cable link be the high height above sea level of Chinese article one, the ultralow temperature ground head of district apart from overhead communication line, be referred to as " the first in the world " of Qinghai-Tibet networking project.
Description of drawings
Below will combine accompanying drawing that the utility model is described further:
Fig. 1 is ultra-low loss, ultralow temperature OPGW cable configuration synoptic diagram, the optical cable specifications and models be OPGW-2S2/ (12B1 (ULL)+20B1 (G652D)) (0/108-54.5).
Label among the figure: 1, ultra-low-loss fiber; 2, the fine cream of low temperature; 3, first stainless-steel tube; 4, second stainless-steel tube; 5, internal layer high-strength aluminium steel clad wire; 6, outer high-strength aluminium steel clad wire; 7, G652D optical fiber.
Embodiment
With reference to accompanying drawing 1, ultra-low loss, ultralow temperature OPGW optical cable comprise the fine cream of ultra-low-loss fiber (ULL optical fiber) 1, G652D optical fiber 7, low temperature 2, first stainless-steel tube 3, second stainless-steel tube 4, internal layer high-strength aluminium steel clad wire 5 and outer high-strength aluminium steel clad wire 6.Ultra-low-loss fiber (ULL optical fiber) 1 is installed in first stainless-steel tube 3; And evenly be filled with the fine cream 2 of low temperature and form the first stainless steel fiber unit; In second stainless-steel tube 4, G652D optical fiber 7 is installed; And evenly being filled with fine cream 2 compositions of the low temperature second stainless steel fiber unit, the external diameter of the said first stainless steel fiber unit and the second stainless steel fiber unit is φ 2.5～φ 2.7mm.The first stainless steel fiber unit and the second stainless steel fiber unit and unlined aluminium steel clad wire 5 are stranded synchronously, evenly are coated with cable cream, and the outer aluminum-clad steel wire 6 of outer employing carries out stranded, form ultra-low loss, the ultralow temperature OPGW optical cable of double armor.
Said ultralow temperature is-60 ℃ of ultralow temperature.The ultra-low loss ULL low loss fiber that said ultra-low-loss fiber (ULL optical fiber) is produced for Corning Incorporated; The China's Electric Power Industry standard code; Under the 1550nm window; Optical fiber attenuation is not more than 0.22dB/km, and the decay of healthy and free from worry ULL ultra-low-loss fiber is stipulated well below power industry standard, so be referred to as ultra-low-loss fiber.Said G652D optical fiber 7 is no water peak single mode fiber.Said first stainless-steel tube and second stainless-steel tube are 304 stainless-steel tubes.The fine cream of said low temperature is the fine cream of-60 ℃ of low temperature.
The said first stainless steel fiber unit and the second stainless steel fiber unit adopt vertical bag welded structure; Described high-strength aluminium steel clad wire armouring unit is the plus tolerance aluminum-clad steel wire, adopts the layer-twisted type structure.
As further improvement of the present invention, described fiber unit adopts healthy and free from worry ULL ultra-low-loss fiber, G652D optical fiber, the fine cream of low temperature and the vertical bag of stainless steel band to be welded diameter phi 2.5mm, φ 2.7mm, wall thickness 0.2mm.Be to improve the low temperature tolerance ability of fiber unit, promptly under the abominable low temperature of ultralow temperature-60 ℃, additional attenuation is less than 0.01dB under 1310nm and 1550nm wavelength for optical fiber, and we have adopted low temperature resistant fine cream and ultralow low loss fiber (ULL optical fiber).Adopt the high-strength aluminium steel clad wire to carry out armouring; Improve the tensile strength and the load-bearing capacity of optical cable; Described high-strength aluminium steel clad wire adopts the plus tolerance type, and high-strength aluminium steel clad wire diameter is φ 2.5mm, φ 2.75mm, φ 3.1mm and φ 3.25mm, and optical cable tensile strength is greater than 137.4kN.
Said ultra-low loss, ultralow temperature OPGW optical cable are the supporting OPGW optical cable of Qinghai-Tibet ± 400kV DC networking project.
Ultra-low loss, ultralow temperature OPGW optical cable working method are following:
1, the stainless steel coiled material is installed to steel band and put on the tape holder, through the steel band traction engine steel band is led and deliver to steel pipe workbench place, the tension force of putting band will be stablized, and the phenomenon of shake can not be arranged, and puts the band Tension Control at 80～90N.
2, at steel pipe workbench place stainless steel band divided and switch to the required width of mould; The stainless steel band width is 10.35mm, and thickness is 0.2mm, enters into the steel pipe mould of φ 3.4mm then; The vertical stainless-steel tube that is bundled into seam; Simultaneously ultra-low-loss fiber (ULL optical fiber) is imported, optical fiber ointment is forced into 0.2MPa through air pump, is filled into stainless-steel pipe through oil-filled pin; Pass through laser-beam welding machine again; Vertical sealing welding behind the vertical wrap molding of stainless steel band is complete; Stainless steel fiber unit after welding is good through drawing mould, carries out drawing; Drawing die bore chi is φ 2.7mm and φ 2.5mm, and traction has just become complete stainless steel fiber unit through caterpillar tractor again.Stainless steel fiber unit after the drawing moulding is delivered to take-up stand through traction engine, and the tractive force of traction engine is 90～110N, on the drum of coiling steel pipe, promptly processes the first stainless steel fiber unit on the receipts.The surplus length of the first stainless steel fiber unit is controlled at 2.0-2.5 ‰.
3, at steel pipe workbench place stainless steel band divided and switch to the required width of mould; The stainless steel band width is 10.35mm, and thickness is 0.2mm, enters into the steel pipe mould of φ 3.4mm then; The vertical stainless-steel tube that is bundled into seam; Simultaneously G652D is imported, optical fiber ointment is forced into 0.2MPa through air pump, is filled into stainless-steel pipe through oil-filled pin; Pass through laser-beam welding machine again; Vertical sealing welding behind the vertical wrap molding of stainless steel band is complete; Stainless steel fiber unit after welding is good through drawing mould, carries out drawing; Drawing die bore chi is φ 2.7mm and φ 2.5mm, and traction has just become complete stainless steel fiber unit through caterpillar tractor again.Stainless steel fiber unit after the drawing moulding is delivered to take-up stand through traction engine, and the tractive force of traction engine is 90～110N, on the drum of coiling steel pipe, promptly processes the second stainless steel fiber unit on the receipts.The second stainless steel fiber unit surplus length be controlled at 2.0～2.5 ‰.
4, the first stainless steel fiber unit and the second stainless steel fiber unit and internal layer high-strength aluminium steel clad wire is stranded synchronously; Evenly smear cable cream; Outer reusable outer high-strength aluminium steel clad wire carries out stranded, forms the OPGW optical cable of double armor, promptly processes ultra-low loss, ultralow temperature OPGW optical cable.
The decay of G652D optical fiber requires high in the ultra-low-loss fiber in the first stainless steel fiber unit (ULL optical fiber) and the second stainless steel fiber unit; The ULL ultra-low-loss fiber is after the OPGW production process is optical fiber coloring operation, light unit tubing operation, stranded stranding operation; Optical fiber attenuation is not more than 0.175dB/km under 1550nm; G652D optical fiber is after the OPGW production process is optical fiber coloring operation, light unit tubing operation, stranded stranding operation, and optical fiber attenuation is not more than 0.190dB/km under 1550nm.
G652D optical fiber is under low temperature-60 ℃ environment in the ultra-low-loss fiber in the first stainless steel fiber unit (ULL optical fiber) and the second stainless steel fiber unit, and the optical fiber additional attenuation requires high.Optical fiber under 1310nm and 1550nm wavelength additional attenuation less than 0.01dB.
The armor of the OPGW optical cable of said double armor carries out one deck armouring and two layers of armouring with the high-strength aluminium steel clad wire respectively outward; The laying tension of described high-strength aluminium steel clad wire monofilament is controlled at 10～12kg; The high-strength aluminium steel clad wire is arranged closely; The prestress typing, section configuration was stable after optical cable blocked, and it is loose that aluminum-clad steel wire does not take place.
Ultra-low loss, ultralow temperature OPGW optic cable diameter reach 14.1mm～14.55mm, and the maximum tensile strength reaches 136.5KN, and minimum bending radius reaches 282 mm, 1550nm attenuation coefficient behind the ultra-low-loss fiber stranding≤0.18 dB/km; 1550nm attenuation coefficient behind the G652D optical fiber cabling≤0.195 dB/km, temperature range behind the stranding: mounting temperature-10 ℃ is to+50 ℃, and transportation and running temperature are-60 ℃ to+80 ℃.
Claims (3)
1. a ultra-low loss, ultralow temperature OPGW optical cable is characterized in that comprising ultra-low-loss fiber, G652D optical fiber, the fine cream of low temperature, first stainless-steel tube, second stainless-steel tube, internal layer high-strength aluminium steel clad wire and outer high-strength aluminium steel clad wire; In first stainless-steel tube, ultra-low-loss fiber is installed; And evenly be filled with the fine cream of low temperature and form the first stainless steel fiber unit; G652D optical fiber is installed in second stainless-steel tube; And evenly be filled with the fine cream of low temperature and form the second stainless steel fiber unit, the first stainless steel fiber unit and the second stainless steel fiber unit and unlined aluminium steel clad wire are stranded synchronously, evenly are coated with cable cream; The outer aluminum-clad steel wire of outer employing carries out stranded, forms ultra-low loss, the ultralow temperature OPGW optical cable of double armor.
2. ultra-low loss according to claim 1, ultralow temperature OPGW optical cable, the external diameter that it is characterized in that the said first stainless steel fiber unit and the second stainless steel fiber unit is φ 2.5～φ 2.7mm.
3. ultra-low loss according to claim 1, ultralow temperature OPGW optical cable; It is characterized in that ultra-low loss, ultralow temperature OPGW optic cable diameter reach 14.1mm～14.55mm; The maximum tensile strength reaches 136.5KN; Minimum bending radius reaches 282 mm, 1550nm attenuation coefficient behind the ultra-low-loss fiber stranding≤0.18 dB/km; 1550nm attenuation coefficient behind the G652D optical fiber cabling≤0.195 dB/km, temperature range behind the stranding: mounting temperature-10 ℃ is to+50 ℃, and transportation and running temperature are-60 ℃ to+80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202459589U CN202166765U (en) | 2011-07-13 | 2011-07-13 | Ultralow loss and temperature OPGW optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202459589U CN202166765U (en) | 2011-07-13 | 2011-07-13 | Ultralow loss and temperature OPGW optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166765U true CN202166765U (en) | 2012-03-14 |
Family
ID=45802582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202459589U Withdrawn - After Issue CN202166765U (en) | 2011-07-13 | 2011-07-13 | Ultralow loss and temperature OPGW optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166765U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243346A (en) * | 2011-07-13 | 2011-11-16 | 中天日立光缆有限公司 | Ultra-low loss and ultra-low temperature OPGW (optical fiber composite overhead ground wire) and production method thereof |
| CN102915805A (en) * | 2012-11-01 | 2013-02-06 | 广东电网公司电力调度控制中心 | Lightning stroke-resistant optical fibre composite overhead ground wire |
| USD779440S1 (en) | 2014-08-07 | 2017-02-21 | Henkel Ag & Co. Kgaa | Overhead transmission conductor cable |
| CN107561663A (en) * | 2017-10-24 | 2018-01-09 | 江苏中天科技股份有限公司 | A kind of OPGW optical cables being applied under the conditions of extremely trembling with fear and its production method |
-
2011
- 2011-07-13 CN CN2011202459589U patent/CN202166765U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243346A (en) * | 2011-07-13 | 2011-11-16 | 中天日立光缆有限公司 | Ultra-low loss and ultra-low temperature OPGW (optical fiber composite overhead ground wire) and production method thereof |
| CN102243346B (en) * | 2011-07-13 | 2013-06-19 | 中天日立光缆有限公司 | Ultra-low loss and ultra-low temperature OPGW (optical fiber composite overhead ground wire) and production method thereof |
| CN102915805A (en) * | 2012-11-01 | 2013-02-06 | 广东电网公司电力调度控制中心 | Lightning stroke-resistant optical fibre composite overhead ground wire |
| USD779440S1 (en) | 2014-08-07 | 2017-02-21 | Henkel Ag & Co. Kgaa | Overhead transmission conductor cable |
| USD868701S1 (en) | 2014-08-07 | 2019-12-03 | Henkel Ag & Co. Kgaa | Overhead transmission conductor cable |
| CN107561663A (en) * | 2017-10-24 | 2018-01-09 | 江苏中天科技股份有限公司 | A kind of OPGW optical cables being applied under the conditions of extremely trembling with fear and its production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102243346B (en) | Ultra-low loss and ultra-low temperature OPGW (optical fiber composite overhead ground wire) and production method thereof | |
| CN102074301B (en) | Intelligent photoelectric hybrid detecting optical cable and production method thereof | |
| CN204808960U (en) | Multicore optic fibre with novel protective structure | |
| CN202166765U (en) | Ultralow loss and temperature OPGW optical cable | |
| CN202196616U (en) | Optic/electric composite cable | |
| CN102280197A (en) | Absolutely-dry photoelectric composite cable | |
| CN204614536U (en) | The light-duty composite rope of dynamic photoelectric under water | |
| CN107561663A (en) | A kind of OPGW optical cables being applied under the conditions of extremely trembling with fear and its production method | |
| CN103325470B (en) | For optical phase conductor and the system of distributed temperature strain monitoring | |
| CN201600959U (en) | Central tube type ribbon photoelectric compound optical cable | |
| CN202711818U (en) | Photoelectric composite transmission cable | |
| CN100420971C (en) | Buried full medium optical cable | |
| CN2916864Y (en) | Composite optical/electric cable | |
| CN202711813U (en) | Combination cable for photoelectric signal transmission | |
| CN103364903A (en) | High-strength micro optical fiber cable and manufacturing method thereof | |
| CN101504480A (en) | Integrated communication optical cable | |
| CN201904162U (en) | Intelligent optoelectronic hybrid detection cable | |
| CN204857283U (en) | Control of wisdom energy highway high definition is with synthesizing power cable | |
| CN202584868U (en) | Optical-fibre and power combined cable | |
| CN209525970U (en) | Based on micro seismic monitoring shear wave enhanced sensitivity sensor fibre charge bearing detecting cable | |
| CN201477248U (en) | Novel anti-mouse integrated communication optical cable | |
| CN201740899U (en) | Absolutely-dry high combustion resistance temperature-feedback optical cable | |
| CN202142351U (en) | Full-dry type photoelectric composite cable | |
| CN208781587U (en) | A kind of electro-optical composite cable | |
| CN203150310U (en) | A photoelectric integrated cable used for indoor introduction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120314 Effective date of abandoning: 20130619 |
|
| RGAV | Abandon patent right to avoid regrant |