CN107732640A - A kind of laser ablation barrier clearing device - Google Patents
A kind of laser ablation barrier clearing device Download PDFInfo
- Publication number
- CN107732640A CN107732640A CN201711068047.1A CN201711068047A CN107732640A CN 107732640 A CN107732640 A CN 107732640A CN 201711068047 A CN201711068047 A CN 201711068047A CN 107732640 A CN107732640 A CN 107732640A
- Authority
- CN
- China
- Prior art keywords
- laser
- optical fiber
- clearing device
- barrier clearing
- laser ablation
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
- H01S3/06733—Fibre having more than one cladding
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The present invention provides a kind of laser ablation barrier clearing device, and its structure includes：Low-power optical fiber laser, indication laser, highly transmissive high reflection mirror, the first circle long-radius elbow lens and the second circle long-radius elbow lens.Wherein low-power optical fiber laser includes laser seed source, optical fiber pre-amplification stage（Semiconductor laser pumping source, beam coupler and the first gain media optical fiber）And optical fiber power amplifying stage（Semiconductor laser pumping source, beam coupler and the second gain media optical fiber）.The laser ablation barrier clearing device is lifted on unmanned plane by Shock-proof bolt and calcination can fall foreign matter on the transmission line of electricity of high-altitude at a distance.
Description
Technical field
The present invention relates to high-altitude obstacle removing of power transmission line technical field, more particularly to a kind of laser ablation barrier clearing device.
Background technology
Transmission line of electricity is the important component of power network, the regular visit to transmission line of electricity be effectively ensured transmission line of electricity and
One basic work of its equipment safety operation.Often there is icing, floating object etc., extreme influence power network in overhead transmission line
Safe operation, it is necessary to periodical inspection inspection is carried out to transmission line of electricity, grasps and understand the running situation of transmission line of electricity at any time, so as to
Find and remove a hidden danger in time, the generation prevented accident, it is ensured that power supply safety.To ensure power system and circuit and facility just
Often operation is, it is necessary to periodically clear up the foreign matter on power circuit and facility, the cleaning of foreign matter, Traditional Man particularly on line
The method of cleaning is taken time, and long, human cost is high, difficulty is big, efficiency is low, and the life security of employee is also formed seriously
Threat.South electric network has formulated the lean patrol strategy of " machine patrol+people patrol ", plan to realize and patrol with machine in the year two thousand twenty based on,
People patrol supplemented by patrol mode, this proposes higher requirement to unmanned plane inspection operation.
The cleaning of foreign matter is main manually with Xian Shang robots mode at present on high-voltage line, and manual type efficiency is low, to people
The life security of member causes；Robot automation's degree is high on line, but there is also can not realize patrolling for large area long distance line
Examine operation；In recent years, as the miniaturization of sensor and being gradually improved for flight control system, unmanned air vehicle technique have obtained soon
The development of speed, unmanned plane is widely applied in each field, also the inspection operation for transmission line of electricity provide new thinking and
Technical method.
Wavelength has higher water absorption coefficient in the laser of 1.4 ~ 2.1 mu m wavebands, and the wealthy value of the damage to human eye is relatively low, tool
There is human eye security feature, there is important answer in fields such as laser radar, laser ranging, laser medicine, optical communication and pumping sources
With.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of laser ablation barrier clearing device, Liftable is in more rotors
On unmanned plane, the foreign matter for high-altitude transmission line of electricity removes work.
In order to solve the above-mentioned technical problem, the present invention provides a kind of laser ablation barrier clearing device, and it may include：
Low-power optical fiber laser, optical transmission system and indication laser,
Wherein, the low-power optical fiber laser includes：
Seed source, produce flashlight；
The optical fiber pre-amplification stage being connected with the laser seed source, the laser seed source according to the flashlight direction of transfer according to
It is secondary including：Semiconductor laser pumping source, beam coupler and the first gain media optical fiber；
The optical fiber power amplifying stage being connected by the unrelated optoisolator of high-power polarization with the first gain media optical fiber, it is described
Optical fiber power amplifying stage includes successively according to the flashlight direction of transfer：Semiconductor laser pumping source, beam coupler and
Second gain media optical fiber；
By one section of passive laser ejecting end for being connected with the second gain media optical fiber of matching optical fiber, for by described second
The signal light output of gain media optical fiber output is superlaser,；
Wherein, the optical transmission system includes：
Highly transmissive high reflection mirror, the first circle moon that the rectilinear direction of superlaser is arranged successively are projected according to the laser ejecting end
Curved lens and the second circle long-radius elbow lens；
The indication laser is used to project visible light beam, after the visible light beam is reflected by the highly transmissive high reflection mirror,
For being oriented to and indicating superlaser through the highly transmissive high reflection mirror, the first circle long-radius elbow lens and the second circle long-radius elbow lens
Position and for being oriented to position of the superlaser on object to be removed obstacles.
In an alternate embodiment of the invention, the low-power optical fiber laser is 80 watt of 2 micron optical fiber laser.
In an alternate embodiment of the invention, two semiconductor laser pumpings side by side are included in the optical fiber pre-amplification stage
Source, it is 12 watts that maximum, which projects power,.
In an alternate embodiment of the invention, the first gain media optical fiber in the optical fiber pre-amplification stage is that a length is
4 meters of double clad mixes thulium gain fibre, and core diameter is 10 microns, and numerical aperture is 0.15 micron, and inner cladding diameter is 130 micro-
Rice, numerical aperture are 0.46 micron.
In an alternate embodiment of the invention, the semiconductor laser pumping source in the optical fiber power amplifying stage, maximum project
Power is 12 watts, is multiple distributed architectures side by side.
In an alternate embodiment of the invention, the second gain media optical fiber in the optical fiber power amplifying stage is a length
Thulium gain fibre is mixed for 5 meters of polarization-maintaining double clads, core diameter is 25 microns, and numerical aperture is 0.09 micron, inner cladding diameter
For 400 microns, numerical aperture is 0.45 micron.
In an alternate embodiment of the invention, the passive matching fiber lengths are 0.7 meter.
In an alternate embodiment of the invention, there is corner cut the end face of the laser ejecting end.
In an alternate embodiment of the invention, the end face corner cut angle of the laser ejecting end is 8 °.
In an alternate embodiment of the invention, the highly transmissive high reflection mirror is that laser ejecting end injection high energy swashs described in transmissive
Light, while the lens for the visible light beam that the indication laser projects can be reflected.
In an alternate embodiment of the invention, the reflecting surface of the highly transmissive high reflection mirror and the visible light beam are in 45 ° of angles.
In an alternate embodiment of the invention, the first circle long-radius elbow lens and the second circle long-radius elbow lens material are silica, and spacing is
135 millimeters.Wherein, the composition radius of curvature of the first circle long-radius elbow lens is -88 millimeters, and 1055 millimeters, second justifies long-radius elbow lens
It is 515 millimeters, -2073 millimeters to form radius of curvature.
In an alternate embodiment of the invention, the superlaser by optical transmission system transmission is in laser ejecting end 6
The temperature located over rice may be up to 575 degrees Celsius.
In an alternate embodiment of the invention, the laser ablation barrier clearing device is lifted on multi-rotor unmanned aerial vehicle by Shock-proof bolt
On, under ground remote control operation, it can be found at a distance on the transmission line of electricity of high-altitude by the camera of the multi-rotor unmanned aerial vehicle
Foreign matter, while be directed at foreign matter and send high-temperature laser beam calcination and fall foreign matter..
The beneficial effect of the embodiment of the present invention is：
The present invention uses laser ablation barrier clearing device, is mounted in multi-rotor unmanned aerial vehicle and the foreign matter on the transmission line of electricity of high-altitude is carried out
Calcination remove, on the one hand, eliminate operating personnel climb in person remove foreign matter caused by Personal Risk, greatly save fettler
The time of work and manpower；On the one hand, high temperature caused by superlaser, can remotely clear up foreign matter, without by multi-rotor unmanned aerial vehicle too
Close to ultra-high-tension power transmission line, avoid that electromagnetic interference occurs.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the organigram of one embodiment of the laser ablation barrier clearing device of the present invention.
Embodiment
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The present invention provides a kind of laser ablation barrier clearing device, such as Fig. 1, and the structure of one embodiment may include：Low-power
Optical fiber laser 1.As an example, low-power optical fiber laser 1 of the invention can be arranged on the afterbody of laser ablation barrier clearing device.
The inside of low-power optical fiber laser 1 includes laser seed source 10, optical fiber pre-amplification stage 2 and optical fiber power amplifying stage 3.As
Citing, the laser seed source 10 of the present embodiment is used to produce flashlight, and the continuous thulium doped optical fiber laser of low-power can be selected in it
Seed source.After flashlight is sent by laser seed source 10, it is transferred to optical fiber pre-amplification stage 2 and is amplified, as an example, optical fiber
Pre-amplification stage 2 can mix thulium gain by 11, one, semiconductor laser pumping source beam coupler 12 and 4 meters of long double clads
Optical fiber 13 connects and composes, and so allows for flashlight and passes sequentially through semiconductor laser pumping source 11, beam coupler 12 and double
Doped cladding layer thulium gain fibre 13, by pre-amplification it is follow-up resume it is defeated.As an example, two semiconductors side by side are used in the present embodiment
Laser pumping source 11.In alternative embodiments, the centre wavelength in semiconductor laser pumping source 11 is 793 nanometers, and maximum is penetrated
Go out power for 12 watts；The core diameter that double clad mixes thulium gain fibre 13 can be 10 microns, and numerical aperture is 0.15 micron, interior bag
A diameter of 130 microns of layer, numerical aperture are 0.46 micron.Certainly in other alternative embodiments, the semiconductor laser pumping source
11 specification and number, double clad mixes the specification of thulium gain fibre 13 and line length to be selected according to the actual requirements.In addition,
In other optional embodiments, the thulium that double clad is mixed in thulium gain fibre 13 also can be replaced other media.
It is prevented big flashlight thulium gain fibre 13 is mixed by double clad and is transferred to optical fiber power amplifying stage 3.As act
Example, in the present embodiment, optical fiber power amplifying stage 3 includes successively according to the direction of signal optical transport：Semiconductor laser pumping source
11st, a beam coupler 12 and one 5 meters long of polarization-maintaining double clad mix thulium gain fibre 14；As an example, the present embodiment
18 semiconductor laser pumping sources 11 side by side have been used inside middle optical fiber power amplifying stage 3；Thulium is mixed from polarization-maintaining double clad to increase
The core diameter of beneficial optical fiber 14 is 25 microns, and numerical aperture is 0.09 micron, and inner cladding diameter is 400 microns, and numerical aperture is
0.45 micron.So allow for flashlight after by optical fiber power amplifying stage 3 power amplification to 80 watts.Certainly can at other
Select in embodiment, specification and number, the polarization-maintaining double clad in the semiconductor laser pumping source 11 in the optical fiber power amplifying stage 3 mix thulium
The specification and line length of gain fibre 14 can be selected according to the actual requirements, to obtain projecting the different flashlight of power.This
Outside, in other alternative-embodiments, the thulium that polarization-maintaining double clad is mixed in thulium gain fibre 14 also can be replaced other media.
In order to preferably radiate, the ejecting end of thulium gain fibre 14 and low-power optical fiber laser 1 is mixed in polarization-maintaining double clad
Between the one long 0.7 meter passive matching optical fiber 15 of welding.The end face corner cut of the ejecting end of low-power optical fiber laser 1 is 8 °,
To avoid producing Fresnel reflection so as to have influence on laser characteristics.
The superlaser that low-power optical fiber laser 1 projects passes through the optical transmission system of laser ablation barrier clearing device front end
High-temperature laser beam is can be changed to, in the present embodiment, the temperature that the high-temperature laser beam is located over 6 meters of laser ejecting end may be up to
575 degrees Celsius.As an example, the optical transmission system of the present embodiment may include 2 microns of highly transmissive and 532 nanometers of high reflection mirrors
16th, the first circle long-radius elbow lens 17（It is -88 millimeters, 1055 millimeters to form radius of curvature）And the second circle long-radius elbow lens 18（Composition
Radius of curvature is 515 millimeters, -2073 millimeters）, the speculum 16, first circle long-radius elbow lens 17 and the second circle long-radius elbow lens 18
Plain cloth is on the injection direction of high-temperature laser beam successively, and the first circle long-radius elbow lens 17 are with the spacing of the second circle long-radius elbow lens 18
135 millimeters, material is silica.Certainly in other alternative embodiments, the specification of speculum and circle long-radius elbow lens can be according to reality
Demand reselects.
An indication laser 4 is also equipped with above low-power optical fiber laser 1, it is micro- by 2 visible light beam can be projected
After the highly transmissive simultaneous 532 nanometers of high reflection mirrors 16 of rice reflect（The visible light beam and the speculum 16 are in 45 ° of angles）, for be oriented to and
The position and distance that instruction superlaser is hit to, and the path after visible light beam reflection is the path of superlaser.
The laser ablation barrier clearing device that said structure is formed is lifted in multi-rotor unmanned aerial vehicle by Shock-proof bolt, on ground
Under straighforward operation, the foreign matter on the transmission line of electricity of high-altitude can be found at a distance by the camera of multi-rotor unmanned aerial vehicle, be aligned simultaneously
Foreign matter sends high-temperature laser beam calcination and falls foreign matter.Certainly in other alternative embodiments, the laser ablation barrier clearing device can also pacify
Loaded in other equipment, for removing the low ignition point foreign matter under other environment.
By described above, the beneficial effects of the present invention are：
It is mounted in multi-rotor unmanned aerial vehicle and calcination removal is carried out to the foreign matter on the transmission line of electricity of high-altitude, on the one hand, eliminates operation
Personnel climb in person remove foreign matter caused by Personal Risk, greatly save time and the manpower of cleaning work；On the one hand, high energy
High temperature caused by laser, foreign matter can be remotely cleared up, without multi-rotor unmanned aerial vehicle is too near into ultra-high-tension power transmission line, avoid that electricity occurs
Magnetic disturbance.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (14)
- A kind of 1. laser ablation barrier clearing device, it is characterised in that including：Low-power optical fiber laser, optical transmission system and indication laser,Wherein, the low-power optical fiber laser includes：Seed source, for producing flashlight；The optical fiber pre-amplification stage being connected with the laser seed source, the laser seed source according to the flashlight direction of transfer according to It is secondary including：Semiconductor laser pumping source, beam coupler and the first gain media optical fiber；The optical fiber power amplifying stage being connected by the unrelated optoisolator of high-power polarization with the first gain media optical fiber, it is described Optical fiber power amplifying stage includes successively according to the flashlight direction of transfer：Semiconductor laser pumping source, beam coupler and Second gain media optical fiber；By one section of passive laser ejecting end for being connected with the second gain media optical fiber of matching optical fiber, for by described second The signal light output of gain media optical fiber output is superlaser；Wherein, the optical transmission system includes：Highly transmissive high reflection mirror, the first circle moon that the rectilinear direction of superlaser is arranged successively are projected according to the laser ejecting end Curved lens and the second circle long-radius elbow lens；The indication laser is used to project visible light beam, after the visible light beam is reflected by the highly transmissive high reflection mirror, For being oriented to and indicating superlaser through the highly transmissive high reflection mirror, the first circle long-radius elbow lens and the second circle long-radius elbow lens Position and for being oriented to position of the superlaser on object to be removed obstacles.
- 2. laser ablation barrier clearing device according to claim 1, it is characterised in that the low-power optical fiber laser is 80 Watt 2 micron optical fiber lasers.
- 3. laser ablation barrier clearing device according to claim 1, it is characterised in that comprising simultaneously in the optical fiber pre-amplification stage Two semiconductor laser pumping sources of row, it is 12 watts that maximum, which projects power,.
- 4. laser ablation barrier clearing device according to claim 1, it is characterised in that described in the optical fiber pre-amplification stage First gain media optical fiber is that the double clad that a length is 4 meters mixes thulium gain fibre, and core diameter is 10 microns, numerical aperture For 0.15 micron, inner cladding diameter is 130 microns, and numerical aperture is 0.46 micron.
- 5. laser ablation barrier clearing device according to claim 1, it is characterised in that the institute in the optical fiber power amplifying stage Semiconductor laser pumping source is stated, it is 12 watts that maximum, which projects power, is multiple distributed architectures side by side.
- 6. laser ablation barrier clearing device according to claim 1, it is characterised in that the institute in the optical fiber power amplifying stage It is that the polarization-maintaining double clad that a length is 5 meters mixes thulium gain fibre to state the second gain media optical fiber, and core diameter is 25 microns, number It is 0.09 micron to be worth aperture, and inner cladding diameter is 400 microns, and numerical aperture is 0.45 micron.
- 7. laser ablation barrier clearing device according to claim 1, it is characterised in that it is described it is passive matching fiber lengths be 0.7 meter.
- 8. laser ablation barrier clearing device according to claim 1, it is characterised in that cut the end face of the laser ejecting end Angle.
- 9. laser ablation barrier clearing device according to claim 1, it is characterised in that the end face corner cut of the laser ejecting end Angle is 8 °.
- 10. laser ablation barrier clearing device according to claim 1, it is characterised in that the highly transmissive high reflection mirror is can Transmit the laser ejecting end and project superlaser, while the lens for the visible light beam that the indication laser projects can be reflected.
- 11. laser ablation barrier clearing device according to claim 10, it is characterised in that the highly transmissive high reflection mirror it is anti- It is in 45 ° of angles that face, which is penetrated, with the visible light beam.
- 12. laser ablation barrier clearing device according to claim 1, it is characterised in that the first circle long-radius elbow lens and second Circle long-radius elbow lens material is silica, and spacing is 135 millimeters, wherein, the composition radius of curvature of the first circle long-radius elbow lens is -88 millis Rice, 1055 millimeters, the composition radius of curvature of the second circle long-radius elbow lens is 515 millimeters, -2073 millimeters.
- 13. laser ablation barrier clearing device according to claim 1, it is characterised in that passed by the optical transmission system The temperature that the defeated superlaser is located over 6 meters of laser ejecting end may be up to 575 degrees Celsius.
- 14. laser ablation barrier clearing device according to claim 1, it is characterised in that the laser ablation barrier clearing device leads to Cross Shock-proof bolt to be lifted in multi-rotor unmanned aerial vehicle, under ground remote control operation, pass through the camera of the multi-rotor unmanned aerial vehicle The foreign matter on the transmission line of electricity of high-altitude can be found at a distance, while is directed at foreign matter and is sent high-temperature laser beam calcination and fall foreign matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068047.1A CN107732640A (en) | 2017-11-03 | 2017-11-03 | A kind of laser ablation barrier clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068047.1A CN107732640A (en) | 2017-11-03 | 2017-11-03 | A kind of laser ablation barrier clearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107732640A true CN107732640A (en) | 2018-02-23 |
Family
ID=61222166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711068047.1A Pending CN107732640A (en) | 2017-11-03 | 2017-11-03 | A kind of laser ablation barrier clearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107732640A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666931A (en) * | 2018-07-27 | 2018-10-16 | 广东电网有限责任公司 | Laser barrier clearing device |
| CN110445051A (en) * | 2019-07-10 | 2019-11-12 | 深圳供电局有限公司 | Electric line foreign matter remove device |
| WO2019218264A1 (en) * | 2018-05-16 | 2019-11-21 | 深圳大学 | Thulium-doped fiber laser amplifier |
| CN110829261A (en) * | 2018-08-08 | 2020-02-21 | 北京林江科技有限公司 | Multispectral all-weather coaxial real-time monitoring laser remote foreign matter removing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204144662U (en) * | 2014-09-19 | 2015-02-04 | 武汉锐科光纤激光器技术有限责任公司 | A kind of reaction type high-peak power Picopulse optical fiber laser system |
| CN105226569A (en) * | 2015-11-13 | 2016-01-06 | 江苏省电力公司电力科学研究院 | A kind of portable overhead transmission line foreign matter laser scavenge unit and using method thereof |
| CN205646620U (en) * | 2015-12-18 | 2016-10-12 | 深圳供电局有限公司 | A clearance sacrifice device for overhead transmission line |
| CN106159652A (en) * | 2015-04-27 | 2016-11-23 | 杭州法博激光科技有限公司 | The double mode thulium-doped all-fiber laser device of hectowatt grade |
| CN106532567A (en) * | 2017-01-11 | 2017-03-22 | 国网江苏省电力公司电力科学研究院 | Optical fiber laser device-based laser removal device for foreign matter on overhead line |
-
2017
- 2017-11-03 CN CN201711068047.1A patent/CN107732640A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204144662U (en) * | 2014-09-19 | 2015-02-04 | 武汉锐科光纤激光器技术有限责任公司 | A kind of reaction type high-peak power Picopulse optical fiber laser system |
| CN106159652A (en) * | 2015-04-27 | 2016-11-23 | 杭州法博激光科技有限公司 | The double mode thulium-doped all-fiber laser device of hectowatt grade |
| CN105226569A (en) * | 2015-11-13 | 2016-01-06 | 江苏省电力公司电力科学研究院 | A kind of portable overhead transmission line foreign matter laser scavenge unit and using method thereof |
| CN205646620U (en) * | 2015-12-18 | 2016-10-12 | 深圳供电局有限公司 | A clearance sacrifice device for overhead transmission line |
| CN106532567A (en) * | 2017-01-11 | 2017-03-22 | 国网江苏省电力公司电力科学研究院 | Optical fiber laser device-based laser removal device for foreign matter on overhead line |
Non-Patent Citations (1)
| Title |
|---|
| 余兆明: "《电信新技术培训系列教材 图像通信》", 31 December 1993, 人民邮电出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019218264A1 (en) * | 2018-05-16 | 2019-11-21 | 深圳大学 | Thulium-doped fiber laser amplifier |
| CN108666931A (en) * | 2018-07-27 | 2018-10-16 | 广东电网有限责任公司 | Laser barrier clearing device |
| CN110829261A (en) * | 2018-08-08 | 2020-02-21 | 北京林江科技有限公司 | Multispectral all-weather coaxial real-time monitoring laser remote foreign matter removing system |
| CN110445051A (en) * | 2019-07-10 | 2019-11-12 | 深圳供电局有限公司 | Electric line foreign matter remove device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107732640A (en) | A kind of laser ablation barrier clearing device | |
| Pagnano et al. | A roadmap for automated power line inspection. Maintenance and repair | |
| CN104064989B (en) | Device and method for laser remote removal of foreign matter on transmission line | |
| CN106532567A (en) | Optical fiber laser device-based laser removal device for foreign matter on overhead line | |
| CN102183291B (en) | Systems and methods for measuring turbine blade vibratory response | |
| CN206673456U (en) | A kind of electric line foreign matter laser remove device based on carbon dioxide laser | |
| CN105226569A (en) | A kind of portable overhead transmission line foreign matter laser scavenge unit and using method thereof | |
| CN113107787B (en) | Wind power blade internal inspection robot system and internal state model construction method thereof | |
| CN108919289B (en) | Laser relay redirection energy transmission device for unmanned aerial vehicle | |
| CN207937609U (en) | A kind of laser radar detection instrument based on unmanned plane | |
| CN205302006U (en) | Many rotor unmanned aerial vehicle's oil -gas pipeline system of patrolling and examining based on planning airline operation | |
| CN107565453A (en) | A kind of fool proof long distance laser obstacle eliminating system and application method | |
| IT9020022A1 (en) | OPTICAL FIBER SAFETY SYSTEM | |
| CN103956022A (en) | Forest fire early warning system based on intermediate infrared laser | |
| CN107552949A (en) | A kind of sighting device and application method for long distance laser obstacle eliminating system | |
| CN104237898A (en) | Natural gas leakage telemetering laser radar | |
| CN105572802A (en) | Fiber welding point processing method | |
| CN112476461A (en) | Transformer substation inspection robot carrying unmanned aerial vehicle and inspection method | |
| CN210294057U (en) | Water content measuring system of electric arc heater | |
| CN105261918B (en) | A kind of pumping coupler automatically switching radiating mode | |
| CN206981345U (en) | The accurate-location device of integrated carbon dioxide laser obstacle cleaning machine | |
| CN105244737A (en) | Pump coupler for hectowatt fiber laser | |
| CN215548735U (en) | Carry on unmanned aerial vehicle's transformer substation and patrol and examine robot | |
| WO2020034379A1 (en) | Solid-state light source of laser radar, and laser radar | |
| CN205819557U (en) | A kind of fire-fighting early warning unmanned plane and dispatching patcher thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
|
| RJ01 | Rejection of invention patent application after publication |