CN104092496B - Optical communication system applied to high-voltage iron tower - Google Patents
Optical communication system applied to high-voltage iron tower Download PDFInfo
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- CN104092496B CN104092496B CN201410334070.0A CN201410334070A CN104092496B CN 104092496 B CN104092496 B CN 104092496B CN 201410334070 A CN201410334070 A CN 201410334070A CN 104092496 B CN104092496 B CN 104092496B
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- 229910052742 iron Inorganic materials 0.000 title claims abstract description 38
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Abstract
The invention relates to an optical communication system applied to a high-voltage iron tower. The optical communication system comprises optical cables and an optical fiber column which are arranged on the high-voltage iron tower. One end of each optical cable is connected with one photo-electric conversion unit through a low-voltage optical cable through connection box, the optical fiber column and a high-voltage optical cable through connection box sequentially. The other ends of the optical cables are connected with another photo-electric conversion unit through optical cable buried through connection pipes and buried metal PVC pipes sequentially. The optical communication system can safely transmit measuring data under high-voltage environment onto the ground.
Description
Technical field:
The present invention relates to a kind of light communication system, is more particularly to a kind of light communication system on high voltage iron tower.
Background technology:
To implement national energy policy, it is ensured that power industry comprehensively, coordinate, continuable sound development, national grid is public
Department proposes the Major Strategic behave for accelerating development alternating current-direct current extra-high voltage grid according to China's national situation.UHV transmission is in superelevation
Grow up on the basis of pressure transmission of electricity, it is possible to achieve remote, high capacity transmission electric energy, be adapted to interconnection power system.With spy
High-voltage AC transmission is different, and the circuit cost of extra-high voltage direct-current transmission is lower, and power attenuation is less, is more suitable for the big of overlength distance
Capacity electrical energy transportation.
In recent years, China is further to improve electrical energy transportation capacity and distance, built complete Burner zone-Shanghai ±
800kV extra-high voltage direct-current transmission engineerings, while State Grid Corporation of China has been turned at present ± 1100kV extra-high voltage direct-current transmission technologies
Research and building-up work.
In high voltage AC and DC electricity transmission process, some occasions need for weak electric signal measurement apparatus to be installed on high voltage
Under environment, the signal obtained by measurement apparatus is usually the signal of telecommunication, and the signal of telecommunication of high-voltage side is can to pass through place
Reason is just directly transferred to the low voltage side on ground.High-voltage side electric signal transmission to ground can be used into two methods, Yi Zhongshi
Radio communication, it is adaptable in the case that the transfer rate of signal is less high;Another kind is fiber optic communication, can high-speed signal transmission.
Corona current measurement on high-tension line, the sample frequency of needs is very high, at least need to reach 10MHz with
On.In the past power system measuring corona current was only focused on studying corona loss, and traditional measuring system sample frequency is low (logical
Often in below 2MHz), measurement performance is electric far from the synthesis of UHV transmission line audible noise, radio interference and direct current is met
The Research Requirements of field.Needed to promote by the research of corona current, China Electric Power Research Institute has successfully developed frequency response
For the sampling detector of 30MHz, but these are not met by the demand of extra-high voltage direct-current corona characteristic research, need further to grind
The higher measuring system of sample frequency processed.
The light conduction work that optical fiber is usually a kind of total reflection of utilization light in fiber made by glass or plastics and reaches
Tool, is manufactured by insulant, non-conductive.Thus, when some occasions need electrical isolation and must realize signal transmission, optical fiber
Just become conventional signal transmission carrier.Due to optical fiber as signal transmssion line have in use it is easily pure, not anti-extrusion, intolerant to
The features such as impact, specialty optical fiber interconnecting device is needed in some special occasions, to realize the switching of optical fiber and optical fiber.
In high voltage AC and DC electricity transmission process, some occasions need for weak electric signal measurement apparatus to be installed on high voltage
Under environment, the signal obtained by measurement apparatus is usually the signal of telecommunication, and the signal of telecommunication of high-voltage side is can to pass through place
Reason is just directly transferred to the low voltage side on ground.How to design a kind of electric signal transmission by high voltage iron tower to lead to the light on ground
News system becomes the key of a whole set of Transmission system.
The content of the invention:
It is an object of the invention to provide a kind of light communication system on high voltage iron tower, the system is by under high voltage environment
Measurement data safely transmit to ground.
For achieving the above object, the present invention is employed the following technical solutions:A kind of light communication system on high voltage iron tower,
The system includes the optical cable and optical fiber cylinder being arranged on the high voltage iron tower, and described optical cable one end passes sequentially through low pressure optical cable and turns
Connect box, optical fiber cylinder and high voltage optical cable interconnecting device to be connected with photoelectric conversion unit;The other end of the optical cable passes sequentially through optical cable and buries
Ground transfer tube and buried band metal pvc pipe are connected with another photoelectric conversion unit.
A kind of light communication system on high voltage iron tower that the present invention is provided, the photoelectric conversion unit includes connecting successively
The sampling detector being arranged under extra-high voltage environment, the extra-high voltage for connecing is when ground terminal measuring unit, optical fiber, home measuring unit
And host computer;The optical fiber is provided with optical fiber cylinder.
A kind of light communication system on high voltage iron tower that the present invention is provided, the extra-high voltage works as ground terminal measuring unit bag
Include be connected with the sampling detector high-speed broadband numeric field data collecting unit, by USB interface and high-speed broadband domain number
The photoelectric conversion unit A connected according to collecting unit and the Integrated Energy being connected with the photoelectric conversion unit A by serial line interface
Administrative unit;The Integrated Energy administrative unit connects respectively with independently-powered unit and the high-speed broadband numeric field data collecting unit
Connect;The independently-powered unit is connected with the high-speed broadband numeric field data collecting unit;
The home measuring unit includes the opto-electronic conversion being connected with the photoelectric conversion unit A by the optical fiber
Unit B and the power subsystem being connected with electric converting unit B;The photoelectric conversion unit B is respectively by USB interface and serial
Interface is connected with the host computer.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the low pressure optical cable switching
Box includes grading ring and vertically connects the switching cylinder of the grading ring;The switching cylinder axis is provided with and stretches out cylinder;It is described to stretch out
The installing plate of perpendicular connection is provided with the middle of cylinder.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the switching cylinder two ends point
The removable cover that Wei be arranged on the grading ring internal diameter and fixed lid, the removable cover and fixed lid are by band pad screw and institute
State switching cylinder connection;Band pad screw for being fixedly connected with installing plate is provided with installing plate junction in the cylinder that stretches out.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided is vertical on the installing plate
It is provided with rounded equally distributed fiber alignment flange;It is described to stretch out a top and bottom is respectively equipped with connecting rod, wherein one end
The connecting rod be provided with the connecting hole being connected with the optical cable;Connecting rod described in the other end is fixedly connected simultaneously with the optical fiber cylinder
And the connecting rod is provided with the clamp that is fixedly connected of switching cylinder and by band pad screw and is fixed.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the high voltage optical cable switching
Box is identical with the low pressure optical cable interconnecting device structure;On the high voltage optical cable interconnecting device and it is equipped with light on low pressure optical cable interconnecting device
Fine switching interface is respectively used to connect electrooptic switching element and outdoor optical fiber.
A kind of another preferred light communication system on high voltage iron tower that the present invention is provided, the optical fiber cylinder includes light
Fine post extends gold utensil and extends two insulators that gold utensil is connected with by optical fiber cylinder;Each described insulator is respectively arranged at two ends with
Pressure ring, one of them described insulator one end is connected by grading ring with described high voltage optical cable interconnecting device one end;Described in another
Insulator one end passes through grading ring and is connected with described low pressure optical cable interconnecting device one end.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the optical cable is by absorption
Magnet is fixed on steel tower, and the adsorption magnet is provided with the adjustable buckle of size.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the optical cable is by arranging
The buried transfer tube of the optical cable at the steel tower column foot enters ground;The transfer tube surface is coated with anticorrosion plated film, its angle
Can be curved according to the concrete pedestal shape at column foot;The iron pipe wall thickness 2-10mm, one end of iron pipe should enter at least
50cm, the other end should be fixed on the tower angle of steel tower.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the optical cable is in underground Jing
Buried band metal pvc pipe is connected with the electrooptic switching element.
Another preferred a kind of light communication system on high voltage iron tower that the present invention is provided, the low pressure optical cable switching
The other end of box is connected with low-pressure end connection gold utensil;The other end of the high voltage optical cable interconnecting device fixes adjustable spring with optical fiber cylinder
Connection.
With immediate prior art ratio, the present invention provide technical scheme there is following excellent effect
1st, system of the invention safely transmits the measurement data under high voltage environment to ground;
2nd, both achievable extra-high voltage side isolates the present invention with the electric absolute of low-pressure side, can guarantee that high and low pressure side each again
Plant and electric breakdown phenomena does not occur under weather condition;
3rd, the adsorption magnet for fixing optical cable in the present invention on steel tower causes the fixation procedure of whole lightguide cable link both simple
Single, convenience, but it is solid and reliable, and extremely facilitate during optical cable changes layout path, maintenance etc.;
4th, the buried use with metal pvc pipe in the present invention can significantly improve the aging of buried cable and damage
Journey, plays certain protective effect;
5th, the present invention adopts digital optical fiber transmission unit, and bandwidth, decay are few, strong antijamming capability, and effectively away from
From big, long-range measurement demand can be met;
6th, the buried band metal pvc pipe in the present invention is macromolecular material, and light weight is durable, ageing-resistant, long service life, thing
Change function admirable, resistance to chemical attack, the characteristics of shock strength is high, optical cable is imbedded underground and is connected under tower by the pvc pipe with metal
It is connected to ground installation;
7th, system of the invention had both protected well optical cable, while ensure that the stability of measurement.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention;
Fig. 2 is the photoelectric conversion unit structural representation of the present invention;
Fig. 3 is the schematic diagram of the interconnecting device of the present invention;
Fig. 4 is the optical fiber cylinder schematic diagram of the present invention;
Fig. 5 is adsorption magnet schematic diagram on the steel tower of the present invention;
Fig. 6 is the structural representation of iron pipe at the lower tower of the present invention;
Fig. 7 is the buried structural representation with metal pvc pipe of the present invention;
Wherein, 1- connecting rods, 2- removable covers, 3- band pad screws, 4- grading rings, 5- band pad screw holes, 6- Optical fiber plugs peace
Dress plate, 7- switching cylinders, 8- fixes lid, and 9- stretches out cylinder, 10- clamps, 11- fiber alignment flanges, 12- connecting holes, 13-. low-pressure ends
Connection gold utensil, 14- low pressure optical cable interconnecting devices, 15- optical fiber cylinders extend gold utensil, and 16- high voltage optical cable interconnecting devices, 17-. optical fiber cylinders are fixed
Adjustable spring, 18- optical fiber cylinders are pressed with outdoor optical fiber connecting interface, 19- optical fiber cylinders and measuring system optical fiber connecting interface, 20-
Ring B, 21- insulator, 22- adsorption magnets, 23- optical fiber cylinders, 24- optical cables, the buried transfer tube of 25- optical cables, 26- buried metal PVC
Pipe.
Specific embodiment
With reference to embodiment, the invention will be described in further detail.
Embodiment 1:
As shown in figs. 1-7, the invention of this example is used for light communication system on high voltage iron tower, and the system is described including being arranged on
Optical cable 24 and optical fiber cylinder 23 on high voltage iron tower, the one end of the optical cable 24 passes sequentially through low pressure optical cable interconnecting device 14, optical fiber cylinder 23
It is connected with photoelectric conversion unit with high voltage optical cable interconnecting device 16;The other end of the optical cable 24 passes sequentially through the buried transfer tube of optical cable
25 and buried band metal pvc pipe 26 be connected with another photoelectric conversion unit.
The photoelectric conversion unit is as shown in Fig. 2 including the sampling sensing being arranged under extra-high voltage environment being sequentially connected
Device, extra-high voltage work as ground terminal measuring unit, optical fiber, home measuring unit and host computer;The optical fiber is provided with optical fiber cylinder 23.
The extra-high voltage includes that the high-speed broadband numeric field data being connected with the sampling detector is gathered when ground terminal measuring unit
Unit, the photoelectric conversion unit A being connected with the high-speed broadband numeric field data collecting unit by USB interface and by serial line interface
The Integrated Energy administrative unit being connected with the photoelectric conversion unit A;The Integrated Energy administrative unit respectively with it is independently-powered
Unit and the high-speed broadband numeric field data collecting unit connect;The independently-powered unit is gathered with the high-speed broadband numeric field data
Unit connects;
The home measuring unit includes the opto-electronic conversion being connected with the photoelectric conversion unit A by the optical fiber
Unit B and the power subsystem being connected with electric converting unit B;The photoelectric conversion unit B passes through respectively USB interface, serial
Interface is connected with the host computer.The sampling detector and extra-high voltage are worked as when ground terminal measuring unit is located at integrated extra-high voltage
In ground unit, the sampling detector is sampled to the corona current signal of hvdc transmission line, by corona current letter
Number voltage signal is converted to, the extra-high voltage is acquired when ground terminal measuring unit to the voltage signal, and Jing opto-electronic conversion is obtained
To optical signal, fiber-optic transfer unit described in the optical signal Jing is sent to the home measurement end unit, the security bit
Put measurement end unit and the optical signal is converted into into voltage signal, the host computer is processed voltage signal, stored and shown
Show.
The low pressure optical cable interconnecting device 14 is as shown in figure 3, connect including grading ring 4 and vertically the switching for pressing 4 rings
Cylinder 7;The switching axis of cylinder 7 is provided with and stretches out cylinder 9;It is described to stretch out the Optical fiber plug peace that perpendicular connection is provided with the middle of cylinder 9
Dress plate 6.The switching cylinder 7 is located at the internal diameter of grading ring 4, and two ends are welded and fixed with grading ring 4.
Switching cylinder 7 two ends are respectively the removable cover 2 and fixed lid 8 being arranged on the internal diameter of the grading ring 4, the work
Dynamic lid 2 and fixed lid 8 are connected by the screwed hole being provided with the switching cylinder 7 with pad screw 3;Cylinder 9 and optical fiber are stretched out described
The junction of patch bay 6 is provided with the band pad screw 3 for being fixedly connected with installing plate.
Rounded equally distributed fiber alignment flange 11 is vertically provided with the installing plate, there are eight light on this installing plate
Fine abutted flange 11, four use during incoming fiber optic, and four standby;It is described to stretch out the top of cylinder 9 and bottom is respectively equipped with connecting rod
1, the connecting rod 1 of wherein one end is provided with and is connected to form hanging connecting hole 12 with the optical cable;Connect described in the other end
Bar 1 is fixedly connected with the optical fiber cylinder 23 and the connecting rod 1 is provided with the clamp 10 that is fixedly connected of switching cylinder 7 and passes through
Band pad screw 3 is fixed, so that total is fixed.There is circular hole the middle part of the removable cover 2, to by connecting rod
1。
The high voltage optical cable interconnecting device 16 is identical with 14 structures of the low pressure optical cable interconnecting device;The high voltage optical cable interconnecting device
It is equipped with optic fibre switching interface on 16 and on low pressure optical cable interconnecting device 14 to be respectively used to connect electrooptic switching element and outdoor optical fiber.
The optical fiber cylinder 23 includes that optical fiber cylinder extends gold utensil 15 and extends two insulation that gold utensil 14 is connected with by optical fiber cylinder
Son 21;Each described insulator 21 is respectively arranged at two ends with grading ring B20, and one of them one end of the insulator 21 passes through grading ring
B20 is connected with described one end of high voltage optical cable interconnecting device 16;Another one end of insulator 21 by grading ring B20 with it is described
The one end of low pressure optical cable interconnecting device 14 connects.
The optical cable 24 is fixed on steel tower by adsorption magnet 22, and the adsorption magnet 22 is provided with the adjustable card of size
Button.The optical cable 24 enters ground by being arranged on the buried transfer tube 25 of the optical cable at the steel tower column foot;The transfer tube table
Face is coated with anticorrosion plated film, and its angle can be curved according to the concrete pedestal shape at column foot;The iron pipe wall thickness 2-
10mm, one end of iron pipe should enter at least 50cm, the other end should be fixed on the tower angle of steel tower.The optical cable 24 is buried in underground Jing
Area metal pvc pipe 26 is connected with the electrooptic switching element.
The other end of the low pressure optical cable interconnecting device 14 is connected with low-pressure end connection gold utensil 13;The high voltage optical cable interconnecting device
16 other end is fixed adjustable spring 17 and is connected with optical fiber cylinder;Wherein, the low-pressure end connection gold utensil 13 is connected to low potential side
Fixing point on, low pressure optical cable interconnecting device 14, high voltage optical cable interconnecting device 16 is used for the switching of outdoor optical fiber and optical fiber cylinder 23;It is described
Switching interface corresponds to respectively optical fiber cylinder 23 and is connected with measuring system optical fiber with outdoor optical fiber connecting interface 18 and optical fiber cylinder 23 connect
Mouth 19;Optical fiber cylinder fixes adjustable spring 17 to be used to provide the certain installation nargin of optical fiber cylinder 23 and small range mobility, institute
Grading ring B20 is stated for preventing surface-discharge, the insulator 21 to be used for circuit high-pressure side and install the exhausted of hanging point with test tower
Edge..
The light communication system of the present embodiment is realized on the test line segment of UHV DC test base station.In test wire
In current broadband domain corona current measurement system on the T3 towers of section, sampling detector enters to the corona current signal of hvdc transmission line
Row sampling, by corona current signal voltage signal is converted into, and extra-high voltage is acquired when ground terminal measuring unit to voltage signal, Jing
Opto-electronic conversion obtains optical signal, and optical signal Jing fiber-optic transfer units are sent to home measurement end unit, home measurement
End unit converts optical signals into voltage signal, and host computer is processed voltage signal, stored and shown.Optical fiber and optical fiber cylinder
23 are mainly used in extra-high voltage when the communication between ground terminal and home measurement end and data transfer.Due to extra-high voltage special electromagnetic
The impact of environment, may destroy optical fiber transmission medium, and affect the stability transmitted.Therefore, first will in Practical Project
Extra-high voltage is effectively isolated when the special communication optical fiber posts of optical signal Jing that ground terminal sends enter horizontal high voltage, then again will by outdoor optical fiber
Signal transmission is to home measurement end.Special communication optical fiber post design is adopted and is situated between in the transmission of common interior insulator welding optic fibre
The method of matter, requires according to mounting design, and extra-high voltage communication insulator being articulated on UHV transmission line shaft tower is local
End.The superiors of pvc pipe skin covering of the surface are paints, and middle main component is polrvinyl chloride, it is possible to additionally incorporate other compositions to strengthen it
Thermostability, toughness, ductility etc., orlop is back of the body coating adhesive.It is liked deeply in the world today, it is rather popular and
A kind of synthetic material being widely used.With functions such as sealing, insulation, anti-corrosion, antirust, protections.The bayonet socket of adsorption magnet 22
Part size is adjustable, for the optical cable 24 of fixed difference bore, can be adsorbed on high voltage iron tower, is easily installed, dismantles, and adds
Work is convenient, economical and practical.Current broadband domain corona current measurement system proposed by the invention can be in extra-high voltage direct-current environment and various
Run steadily in the long term under the conditions of extreme natural environment.
The optical cable interconnecting device, due to optical fiber as signal transmssion line have in use it is easily pure, not anti-extrusion, intolerant to punching
The features such as hitting, in some special occasions specialty optical fiber interconnecting device is needed, and to realize the switching of optical fiber and optical fiber, and is prevented in switching
During cause unnecessary corona discharge;
The optical fiber cylinder 23, using optical fiber optic communication and light delivery are carried out, and the optical fiber cylinder two ends of each group duct unit can
The very high voltage of tolerance, using series-mode frame, optical fiber can not interrupt from the beginning to the end, exempt from melting welding, improve the exhausted of optical fiber
Edge performance and used life, reduces light loss, and can fold, and is easy to production and transportation;
Optical fiber, the light conduction instrument for being a kind of total reflection of utilization light in fiber made by glass or plastics and reaching,
By insulant manufacture, it is non-conductive, with reelability it is good, aperture is little, loss is low, can long-distance transmissions, light field can be improved
Distribution, the advantages of obtain the circular symmetry hot spot of high efficiency, small-bore, needs electrical isolation and must realize letter in some occasions
Number transmission when, become conventional signal transmission carrier, bring great convenience to practical application.In the present system can more optical fiber
The length of transmission range is using single mode or multimode fibre.
Enter ground transfer tube at lower tower, surface is coated with anticorrosion plated film, for protecting optical cable.Its angle can be according to column foot at
Concrete pedestal shape is curved;The photoelectric conversion unit of low-pressure side, the optical signal inverse transformation transmitted by high-pressure side is obtained
To the signal of telecommunication.
Finally it should be noted that:Above example only to illustrate technical scheme rather than a limitation, institute
The those of ordinary skill in category field with reference to above-described embodiment although should manage still enter the specific embodiment of the present invention
Row modification or equivalent, these any modifications or equivalent without departing from spirit and scope of the invention, in application
Within pending claims of the invention.
Claims (8)
1. a kind of light communication system on high voltage iron tower, the system include the optical cable being arranged on the high voltage iron tower and
Optical fiber cylinder, it is characterised in that:Described optical cable one end pass sequentially through low pressure optical cable interconnecting device, optical fiber cylinder and high voltage optical cable interconnecting device with
Photoelectric conversion unit connects;The other end of the optical cable pass sequentially through the buried transfer tube of optical cable and it is buried band metal pvc pipe with it is another
One photoelectric conversion unit connects;
The optical cable is fixed on steel tower by adsorption magnet, and the adsorption magnet is provided with the adjustable buckle of size;
The optical cable enters ground by being arranged on the buried transfer tube of the optical cable at the steel tower column foot;The transfer tube plated surface
There is anticorrosion plated film, its angle can be curved according to the concrete pedestal shape at column foot;The iron pipe wall thickness 2-10mm, ferrum
One end of pipe should enter at least 50cm, the other end should be fixed on the tower angle of steel tower;
The optical cable is connected in the buried band metal pvc pipes of underground Jing with another photoelectric conversion unit;
The photoelectric conversion unit includes that the sampling detector being arranged under extra-high voltage environment being sequentially connected, extra-high voltage work as ground terminal
Measuring unit, optical fiber, home measuring unit and host computer;The optical fiber is provided with optical fiber cylinder.
2. a kind of light communication system on high voltage iron tower as claimed in claim 1, it is characterised in that:The extra-high voltage is worked as
Ground terminal measuring unit includes the high-speed broadband numeric field data collecting unit being connected with the sampling detector, by USB interface and institute
State the photoelectric conversion unit A of high-speed broadband numeric field data collecting unit connection and by serial line interface and the photoelectric conversion unit A
The Integrated Energy administrative unit of connection;The Integrated Energy administrative unit respectively with independently-powered unit and the high-speed broadband domain
Data acquisition unit connects;The independently-powered unit is connected with the high-speed broadband numeric field data collecting unit;
The home measuring unit includes the photoelectric conversion unit being connected with the photoelectric conversion unit A by the optical fiber
B and the power subsystem being connected with the photoelectric conversion unit B;The photoelectric conversion unit B is respectively by USB interface and serial interface
Mouth is connected with the host computer.
3. a kind of light communication system on high voltage iron tower as claimed in claim 1, it is characterised in that:The low pressure optical cable
Interconnecting device includes grading ring and vertically connects the switching cylinder of the grading ring;The switching cylinder axis is provided with and stretches out cylinder;It is described
Stretch out the installing plate that perpendicular connection is provided with the middle of cylinder.
4. a kind of light communication system on high voltage iron tower as claimed in claim 3, it is characterised in that:The switching cylinder two
End is respectively the removable cover and fixed lid being arranged on the grading ring internal diameter, and the removable cover and fixed lid are by band pad screw
It is connected with the switching cylinder;Band pad spiral shell for being fixedly connected with installing plate is provided with installing plate junction in the cylinder that stretches out
Silk.
5. a kind of light communication system on high voltage iron tower as claimed in claim 4, it is characterised in that:On the installing plate
Vertically it is provided with rounded equally distributed fiber alignment flange;It is described to stretch out a top and bottom is respectively equipped with connecting rod, wherein
The connecting rod of one end is provided with the connecting hole being connected with the optical cable;Connecting rod described in the other end is fixed with the optical fiber cylinder and connected
Connect and the connecting rod is provided with the clamp that is fixedly connected of switching cylinder and by band pad screw and is fixed.
6. a kind of light communication system on high voltage iron tower as described in claim 1-5 any one, it is characterised in that:Institute
State high voltage optical cable interconnecting device identical with the low pressure optical cable interconnecting device structure;Turn with low pressure optical cable on the high voltage optical cable interconnecting device
Connect and be equipped with box optic fibre switching interface and be respectively used to connect photoelectric conversion unit and outdoor optical fiber.
7. a kind of light communication system on high voltage iron tower as claimed in claim 1, it is characterised in that:The optical fiber cylinder bag
Include optical fiber cylinder and extend gold utensil with two insulators being connected by optical fiber cylinder prolongation gold utensil;Each described insulator two ends sets respectively
There is grading ring, one of them described insulator one end is connected by grading ring with described high voltage optical cable interconnecting device one end;Another
Described insulator one end passes through grading ring and is connected with described low pressure optical cable interconnecting device one end.
8. a kind of light communication system on high voltage iron tower as claimed in claim 7, it is characterised in that:The low pressure optical cable
The other end of interconnecting device is connected with low-pressure end connection gold utensil;The other end of the high voltage optical cable interconnecting device fixes flexible with optical fiber cylinder
Spring connects.
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US11774695B2 (en) | 2021-01-22 | 2023-10-03 | Macleon, LLC | Optical fiber cable |
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