CN203672960U - Portable all-insulation optical-fiber electric current detector - Google Patents
Portable all-insulation optical-fiber electric current detector Download PDFInfo
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- CN203672960U CN203672960U CN201320200938.9U CN201320200938U CN203672960U CN 203672960 U CN203672960 U CN 203672960U CN 201320200938 U CN201320200938 U CN 201320200938U CN 203672960 U CN203672960 U CN 203672960U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 title abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 239000004020 conductor Substances 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a portable all-insulation optical-fiber electric current detector which comprises an all-optical-fiber electric current transformer, a photoelectric digital sampling processor and an output display module. A fiber probe is fixedly mounted through a fixing device, and the fiber probe of the all-optical-fiber electric current transformer is fixedly mounted on a high-voltage electric power conductor through the fixing device. A signal output end of the all-optical-fiber electric current transformer is connected with an input end of the photoelectric digital sampling processor, and an output end of the photoelectric digital sampling processor is connected with the output display module. The fiber probe of the all-optical-fiber electric current transformer is used for detecting high-voltage electric power conductors and electric cables. The portable all-insulation optical-fiber electric current detector is characterized by simple structure, convenient-to-carry property, convenience of use, and accurate measurement. Moreover, online measurement of primary and secondary values of electric currents of a high-voltage class is achieved, and efficiency of condition-based maintenance and failure analysis is improved.
Description
Technical field
The utility model relates to a kind of portable all-insulated optic fibre current detecting instrument.
Background technology
In current power system, all rely on the measurements of hard-wired current transformer for the wire of the above voltage levels of 10kV and the detection of cable current, and due to the restriction of principle own, manufacturing process and the insulating requirements of conventional current mutual inductor, cannot realize manufacture Portable type measurement unit.Thereby the measurement means that lacks other is carried out online contrast and online detection to a secondary current and current transformer progress of disease performance.
Summary of the invention
The utility model provides a kind of portable all-insulated optic fibre current detecting instrument, it is not only simple in structure, carries with easy to use, measures accurately, and one or two sub-values that realize electric current to voltage levels realize on-line measurement, improve in repair based on condition of component and fault analysis efficiency.
The utility model has adopted following technical scheme: a kind of portable all-insulated optic fibre current detecting instrument, it comprises all-fiber current transformator, photoelectric figure sampling processor and output display module, described fibre-optical probe is fixedly mounted by stationary installation, the fibre-optical probe of all-fiber current transformator is fixedly mounted on high-voltage power wire by stationary installation, the signal output part of all-fiber current transformator is connected with the input end of photoelectric figure sampling processor, the output terminal of photoelectric figure sampling processor is connected with output display module, the fibre-optical probe of all-fiber current transformator is for detection of high-tension electrical lead and cable, the electric current formed magnetic field that fibre-optical probe detects high-tension electrical lead and cable makes the light polarization angle in optical fiber that deflection occur, and angle and size of current are linear, thereby form contain the magnitude of current light signal and by optical signal transmission to photoelectric figure sampling processor, photoelectric figure sampling processor is shown and is read by output display module after changing light signal into current digital amount.
Described all-fiber current transformator is passive all-fiber current transformator.Described stationary installation is set to the ferrule that all insulation material is made, and fibre-optical probe is fixed on ferrule, and ferrule is enclosed within on high-voltage power wire.Described output display module is set to the display of sampling.Described fibre-optical probe is set to Fibre Optical Sensor ring.
The utlity model has following beneficial effect: the utility model utilizes all-fiber current transformator principle, all-fiber current transformator after portable design and photoelectric figure sampling processing, output display module are combined, integrated rear a kind of function that is similar to traditional clamp on amperemeter that realizes.Current transformer after portable design is to utilize based on Faraday magnetooptical effect, the full optical fiber OCT of Ampere circuit law and match lattice Neck effect measurement principle realizes, make like this detection probe of whole fibre-optic current detector there are insulating property, no matter be high pressure bare conductor or insulated conductor, all there is good insulating of electric measurement of high pressure performance, according to the size of insulation course, go for the high-voltage power wire of different electric pressures, under the normal operating conditions such as cable, use safely, other power equipment does not need to stop using especially, and the utility model is all-insulated optic fibre to the detection probe of electrical lead to be measured or cable, but not traditional electrical magnetic coil, add and adopt lightweight all insulation sleeve pipe or support, single unit system quality is light, be convenient to that testing staff carries and execute-in-place, the utility model all adopts insulating material to form, insulating property are high, body breakage, insulation ag(e)ing is less on the impact of insulating property.The utility model has been integrated the follow-up sampling to light signal and processing and display module, can directly on display, read corresponding current value for technician.The utility model not only replaces the electromagnet of the clamp on amperemeter of traditional thick heaviness by the light optical fiber depending on all insulation stock support, carry out current measurement to 10kV and with upper conductor, cable easily, and can solve conventional current table and easily touch by mistake and cause charged position to cause the problem of potential safety hazard, for work on the spot provides safety assurance, improves work on the spot efficiency; Also be when hard-wired current transformer is carried out to real-time online detection, to have improved secondary current measured value precision simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In Fig. 1, the utility model provides a kind of portable all-insulated optic fibre current detecting instrument, it comprises all-fiber current transformator, photoelectric figure sampling processor and output display module, all-fiber current transformator is passive all-fiber current transformator, described fibre-optical probe is fixedly mounted by stationary installation, described fibre-optical probe is set to Fibre Optical Sensor ring, the fibre-optical probe of all-fiber current transformator is fixedly mounted on high-voltage power wire by stationary installation, stationary installation is set to the ferrule that all insulation material is made, fibre-optical probe is fixed on ferrule, ferrule is enclosed within on high-voltage power wire, the signal output part of all-fiber current transformator is connected with the input end of photoelectric figure sampling processor, the output terminal of photoelectric figure sampling processor is connected with output display module, the fibre-optical probe of all-fiber current transformator is for detection of high-tension electrical lead and cable, the electric current formed magnetic field that fibre-optical probe detects high-tension electrical lead and cable makes the light polarization angle in optical fiber that deflection occur, and angle and size of current are linear, thereby form contain the magnitude of current light signal and by optical signal transmission to photoelectric figure sampling processor, photoelectric figure sampling processor is shown and is read by output display module after changing light signal into current digital amount, output display module is set to the display of sampling.
Claims (5)
1. a portable all-insulated optic fibre current detecting instrument, it is characterized in that it comprises all-fiber current transformator, photoelectric figure sampling processor and output display module, described fibre-optical probe is fixedly mounted by stationary installation, the fibre-optical probe of all-fiber current transformator is fixedly mounted on high-voltage power wire by stationary installation, the signal output part of all-fiber current transformator is connected with the input end of photoelectric figure sampling processor, the output terminal of photoelectric figure sampling processor is connected with output display module, the fibre-optical probe of all-fiber current transformator is for detection of high-tension electrical lead and cable, the electric current formed magnetic field that fibre-optical probe detects high-tension electrical lead and cable makes the light polarization angle in optical fiber that deflection occur, and angle and size of current are linear, thereby form contain the magnitude of current light signal and by optical signal transmission to photoelectric figure sampling processor, photoelectric figure sampling processor is shown and is read by output display module after changing light signal into current digital amount.
2. portable all-insulated optic fibre current detecting instrument according to claim 1, is characterized in that described all-fiber current transformator is passive all-fiber current transformator.
3. portable all-insulated optic fibre current detecting instrument according to claim 1, is characterized in that described stationary installation is set to the ferrule that all insulation material is made, and fibre-optical probe is fixed on ferrule, and ferrule is enclosed within on high-voltage power wire.
4. portable all-insulated optic fibre current detecting instrument according to claim 1, is characterized in that described output display module is set to the display of sampling.
5. portable all-insulated optic fibre current detecting instrument according to claim 1, is characterized in that described fibre-optical probe is set to Fibre Optical Sensor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320200938.9U CN203672960U (en) | 2013-04-21 | 2013-04-21 | Portable all-insulation optical-fiber electric current detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320200938.9U CN203672960U (en) | 2013-04-21 | 2013-04-21 | Portable all-insulation optical-fiber electric current detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672960U true CN203672960U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320200938.9U Expired - Fee Related CN203672960U (en) | 2013-04-21 | 2013-04-21 | Portable all-insulation optical-fiber electric current detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203672960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257266A (en) * | 2013-04-21 | 2013-08-21 | 国家电网公司 | Portable all-insulation optical-fiber current detector |
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2013
- 2013-04-21 CN CN201320200938.9U patent/CN203672960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257266A (en) * | 2013-04-21 | 2013-08-21 | 国家电网公司 | Portable all-insulation optical-fiber current detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20180421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |