CN205749637U - High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler - Google Patents
High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler Download PDFInfo
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- CN205749637U CN205749637U CN201620438383.5U CN201620438383U CN205749637U CN 205749637 U CN205749637 U CN 205749637U CN 201620438383 U CN201620438383 U CN 201620438383U CN 205749637 U CN205749637 U CN 205749637U
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- fiber coupler
- magnetic fluid
- high voltage
- voltage line
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Abstract
This utility model discloses a kind of high voltage line current sensor-based system based on magnetic fluid parcel fiber coupler, including laser instrument, fiber coupler, magnetic fluid and light power meter, described fiber coupler includes first input port, first output port and pyrometric cone district, described first input port and described first output port are separately positioned on the two ends in described pyrometric cone district, described first input port is connected with described laser instrument, described first output port is connected with described light power meter, it is arranged with sleeve pipe outside described pyrometric cone district, gap between described pyrometric cone district and the medial wall of described sleeve pipe is filled with described magnetic fluid.This utility model high voltage line current sensor-based system based on magnetic fluid parcel fiber coupler, solves at a distance high-tension line safety monitoring based on the signal of telecommunication and has that cost is high, efficiency is low, big problem is lost.
Description
Technical field
This utility model relates to high voltage line current monitoring field, particularly relates to a kind of based on magnetic fluid parcel optical fiber
The high voltage line current sensor-based system of bonder.
Background technology
Along with demand to the energy in productive life, electric power has been deep into every aspect, more pacifies as than fossil fuel
Entirely, efficiently, the energy existing way of environmental protection, electricity has irreplaceable status, and the transmission of electric power also becomes most important
Link.The production of electric power and use are generally in different regions, utilize high-tension line to be shifted by the electric power resource in the place of production, source
It it is exactly the transmission of electric power to consumption area.The transmission of powerful electric power makes the voltage and current in circuit the highest, its safety
Property particularly important, therefore, the in real time monitoring to electrical power transmission system Important Parameters becomes sensor in electrical power transmission system
Most common application.Owing to the distributed areas of transmission line of electricity are quite varied, either in meagrely-populated Gobi desert, mountain region or numerous
The metropolis of China, is required for carrying out the transmission of electric power, and the sensor-based system during electric power is transmitted by this proposes challenge.On the one hand, pass
Defeated large scale cannot realize merely the real-time monitoring of line security by manpower at all, and the reason on the other hand relating to cost also needs
Low cost to be used, high efficiency automatization Application in Sensing.
In traditional sensor field, electronic sensor either from application range or cost has the biggest advantage,
But, the sensor based on electronic devices and components big voltage, big electric current, big magnetic field applied environment in be highly susceptible to do
Disturbing, accuracy and the stability of measurement are difficult to ensure that.Further, the signal of telecommunication in large scale scope transmits the most more difficulty.This is
Owing in electrical signal online road, loss is very big, it is difficulty with the transmission of remote transducing signal, just needs every certain length
Relaying and be amplified signal, cost is difficult to effectively cut down.
In sum, at present at a distance high-tension line safety monitoring based on the signal of telecommunication exists that cost is high, efficiency is low, damages
Consume big deficiency.
Utility model content
The purpose of this utility model is to provide a kind of high voltage line current based on magnetic fluid parcel fiber coupler to pass
Sensing system, solves at a distance high-tension line safety monitoring based on the signal of telecommunication and has that cost is high, efficiency is low, big ask is lost
Topic.
In order to reach above-mentioned purpose, solution of the present utility model is:
Based on magnetic fluid parcel fiber coupler high voltage line current sensor-based system, including laser instrument, fiber coupler,
Magnetic fluid and light power meter, described fiber coupler includes first input port, the first output port and pyrometric cone district, described
First input port and described first output port are separately positioned on the two ends in described pyrometric cone district, described first input port and institute
Stating laser instrument to connect, described first output port is connected with described light power meter, is arranged with sleeve pipe outside described pyrometric cone district, described molten
Gap between cone district and the medial wall of described sleeve pipe is filled with described magnetic fluid.
Described fiber coupler also includes the second input port and the second output port, described second input port and described
Second output port is also set, respectively on the two ends in described pyrometric cone district.
Two end faces of described sleeve pipe are the center end face with the through hole passed for described fiber coupler of closing,
The centrage of the through hole on two end faces of described sleeve pipe is on same axis.
Through hole week on two end faces of described sleeve pipe is along being coated with the glue preventing described magnetic fluid from leaking outside respectively.
After using said structure, this utility model high voltage line current sensing based on magnetic fluid parcel fiber coupler is
System, being mainly used in electric pressure is on 10kv, 20kv, 35kv, 110kv electric line, compared to the prior art have with
Lower beneficial effect:
Compared with the most existing power system security monitoring system based on signal of telecommunication transmission, the sensing cost of optical signal
Lower, long transmission distance, it is not necessary to relaying, efficiency of transmission is higher.Further, high voltage line current sensor-based system based on optical fiber structure
Anti-electromagnetic interference capability higher, good stability.
Therefore, this utility model high voltage line current sensor-based system based on magnetic fluid parcel fiber coupler, solve
There is cost height in high-tension line safety monitoring based on the signal of telecommunication at a distance, efficiency is low, big problem is lost.
Further, described fiber coupler also includes the second input port and the second output port, and described laser instrument also may be used
To be connected with described second input port, optical signal distributes through pyrometric cone district, it is also possible to by the second output port output.
Accompanying drawing explanation
Fig. 1 is this utility model high voltage line current sensor-based system based on magnetic fluid parcel fiber coupler.
In figure:
Laser instrument 1 fiber coupler 2
First input port 21 second input port 22
First output port 23 second output port 24
Pyrometric cone district 25 magnetic fluid 3
Light power meter 4 sleeve pipe 5
End face 51
Detailed description of the invention
In order to the technical solution of the utility model is explained further, below by specific embodiment, this utility model is entered
Row elaborates.
Based on magnetic fluid parcel fiber coupler high voltage line current sensor-based system, as it is shown in figure 1, include laser instrument 1,
Fiber coupler 2, magnetic fluid 3 and light power meter 4, fiber coupler 2 includes first input port the 21, second input port
22, the first output port the 23, second output port 24 and pyrometric cone district 25, first input port 21 and the second input port 22 set
Putting the one end in pyrometric cone district 25, the first output port 23 and the second output port 24 are arranged on the other end in pyrometric cone district 25, laser
Device 1 is connected with first input port 21 or the second input port 22, in order to the input of optical signal, in the present embodiment, and laser instrument 1
Being connected with first input port 21, the second input port 22 available fiber port protection set entangles or does not make any process, light
Energy meter 4 is connected with the first output port 23 or the second output port 24, in the present embodiment, and light power meter 4 and the first output
Port 23 connects, and the second output port 24 can not make any process.Optical signal distributes through pyrometric cone district 25, by the first output port
After 23 outputs, send light power meter 4 to and measure luminous power.
Being arranged with sleeve pipe 5 outside pyrometric cone district 25, the gap between the medial wall of pyrometric cone district 25 and sleeve pipe 5 is filled with magnetic fluid 3,
Two end faces 51 of sleeve pipe 5 are the center end face with the through hole passed for light bonder 2 of closing, two of sleeve pipe 5
The centrage of the through hole on end face 51 is on same axis, and the through hole week on two end faces 51 of sleeve pipe 5 is along being coated with respectively
Prevent the glue that magnetic fluid 3 leaks outside, in order to block through hole.
When this high voltage line current sensor-based system is near high-tension line, the magnetic field that the electric current in high-tension line produces
The refractive index of magnetic fluid 3 in sleeve pipe 5 is produced impact, and the variations in refractive index of magnetic fluid 3 can cause the light splitting of fiber coupler 2
Ratio, the luminous power finally recorded by light power meter 4 is also with change, thus realizes the light sensing of electric current.
After using said structure, this utility model high voltage line current sensing based on magnetic fluid parcel fiber coupler is
System, being mainly used in electric pressure is on 10kv, 20kv, 35kv, 110kv electric line, and such as distribution substation powers, leader cable
The High Level AC Voltage of middle output 10kV, the electric current in leader cable is a critically important parameter, needs to measure, if should in real time
High voltage line current sensor-based system is arranged in parallel with leader cable, and the luminous power recorded by light power meter then can be gone out with backwards calculation
Electric current in leader cable, the individuality that this high voltage line current sensor-based system is spatially separated with leader cable, flexible operation side
And capacity of resisting disturbance is strong just,.
Compared to the prior art this utility model has the advantages that
Compared with the most existing power system security monitoring system based on signal of telecommunication transmission, the sensing cost of optical signal
Lower, long transmission distance, it is not necessary to relaying, efficiency of transmission is higher.Further, high voltage line current sensor-based system based on optical fiber structure
Anti-electromagnetic interference capability higher, good stability.This utility model high-tension line electricity based on magnetic fluid parcel fiber coupler
Spread sensing system, solve high-tension line safety monitoring based on the signal of telecommunication at a distance and have that cost is high, efficiency is low, loss is big
Problem.
Laser instrument 1, fiber coupler 2 and light power meter 4 in this utility model is the known device of this area, swashs
Between light device 1, fiber coupler 2 and light power meter 4, connected mode is also the connected mode that this area is conventional.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any art
Those of ordinary skill is suitably changed what it did or modifies, and all should be regarded as without departing from patent category of the present utility model.
Claims (4)
1. high voltage line current sensor-based system based on magnetic fluid parcel fiber coupler, including laser instrument, fiber coupler, magnetic
Fluid and light power meter, described fiber coupler includes first input port, the first output port and pyrometric cone district, described
One input port and described first output port are separately positioned on the two ends in described pyrometric cone district, it is characterised in that: described first defeated
Inbound port is connected with described laser instrument, and described first output port is connected with described light power meter, is arranged with outside described pyrometric cone district
Sleeve pipe, the gap between described pyrometric cone district and the medial wall of described sleeve pipe is filled with described magnetic fluid.
High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler the most according to claim 1, it is special
Levy and be: described fiber coupler also includes the second input port and the second output port, described second input port and described
Second output port is also set, respectively on the two ends in described pyrometric cone district.
High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler the most according to claim 1, it is special
Levy and be: two end faces of described sleeve pipe are the center end face with the through hole passed for described fiber coupler of closing,
The centrage of the through hole on two end faces of described sleeve pipe is on same axis.
High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler the most according to claim 3, it is special
Levy and be: the through hole week on two end faces of described sleeve pipe is along being coated with the glue preventing described magnetic fluid from leaking outside respectively.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2016201858601 | 2016-03-11 | ||
CN201620185860 | 2016-03-11 |
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Publication Number | Publication Date |
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CN205749637U true CN205749637U (en) | 2016-11-30 |
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CN201620438383.5U Expired - Fee Related CN205749637U (en) | 2016-03-11 | 2016-05-13 | High voltage line current sensor-based system based on magnetic fluid parcel fiber coupler |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105954561A (en) * | 2016-03-11 | 2016-09-21 | 华侨大学 | Magnetic fluid wrapped optical fiber coupler based high-voltage line current sensing system |
CN111624390A (en) * | 2020-06-12 | 2020-09-04 | 河南大学 | Optical fiber reflection type current sensor, system and method based on magnetic fluid |
-
2016
- 2016-05-13 CN CN201620438383.5U patent/CN205749637U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105954561A (en) * | 2016-03-11 | 2016-09-21 | 华侨大学 | Magnetic fluid wrapped optical fiber coupler based high-voltage line current sensing system |
CN111624390A (en) * | 2020-06-12 | 2020-09-04 | 河南大学 | Optical fiber reflection type current sensor, system and method based on magnetic fluid |
CN111624390B (en) * | 2020-06-12 | 2021-12-21 | 河南大学 | Optical fiber reflection type current sensor, system and method based on magnetic fluid |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170513 |