CN107643601A - One kind is based on CO2Laser tube light source expand and real-time focusing device - Google Patents
One kind is based on CO2Laser tube light source expand and real-time focusing device Download PDFInfo
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- CN107643601A CN107643601A CN201711094072.7A CN201711094072A CN107643601A CN 107643601 A CN107643601 A CN 107643601A CN 201711094072 A CN201711094072 A CN 201711094072A CN 107643601 A CN107643601 A CN 107643601A
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Abstract
The invention discloses one kind to be based on CO2Laser tube light source expand and real-time focusing device, using two 45 degree of plane mirrors by CO2The optical axis direction of laser beam is transferred 180 °, shortens the length of Laser emission cylinder, miniaturization and the portability of Laser emission cylinder is realized, beneficial to field transport and work；And it can be realized according to target apart from Real-time Focusing to different distance target, under conditions of laser tube power is certain, CO2The hot spot of laser is minimum, and laser power density highest is most strong to the Scavenging activity of foreign matter.
Description
Technical field
The present invention relates to laser technology field, and in particular to one kind is based on CO2Laser tube light source expand and Real-time Focusing
Device.
Background technology
The power line of power transmission network generally exposed, naked layer, hangs the foreign matters such as the kite, cloth, plastic cloth of winding above
Answer timely processing.If being otherwise infected with sleet dew or being influenceed by other conditions, easily cause phase fault, it is hidden to there is the safety such as fire
Suffer from, be additionally likely to result in tripping, jeopardize the power supply of large area city and cause great economic loss.Clear up foreign matter on power line
Conventional method have：It is artificial to climb up shaft tower is cleared up, aerial lift device with insulated arm lift-off is won, unmanned plane flame is removed etc..Manually climb
Upper shaft tower carries out cleaning and won with aerial lift device with insulated arm lift-off, because power line is typically higher, and when being cleared up operating personnel away from
Circuit is excessively near, security risk be present；Unmanned plane flame is removed, and because nobody is very sensitive to wind direction, requires high to operating personnel.
Using CO2Laser power grid foreign matter removes instrument, removes kite, plastics, the foreign matter such as pieces of cloth on electric wire, has long distance
The advantages that from, non-contact, high efficiency.Existing CO2Laser power grid foreign body eliminating apparatus or the beam emissions side using collimation formula
Formula, or the focus emission mode using fixed focal length.Collimated light beam radiation pattern, CO2The CO of laser tube output2Laser beam divergence
Greatly, reach in target hot spot is big, laser power density is low, it is difficult to be directly realized by the removing to foreign matter on remote electric wire, swash
The utilization rate of luminous power is low.And the focus emission mode of fixed focal length, beam expander optical system use same focal length, it is impossible to realize
CO2Laser focuses on to the target of different distance, it is difficult to realizes the removing to different distance foreign matter.
The content of the invention
To solve at least one above-mentioned technical problem, the present invention provides one kind and is based on CO2Laser tube light source expand with
Real-time focusing device.The CO of the present invention2Laser beam expanding unit is to CO2Laser is expanded, to compress CO2The angle of divergence of laser, together
When according to foreign matter apart from Real-time Focusing, make the CO at foreign matter2The hot spot of laser is minimum, laser power density highest, to foreign matter
Scavenging activity it is most strong.
To achieve these goals, the present invention uses following technical scheme：
One kind is based on CO2Laser tube light source expand and real-time focusing device, including：CO2Laser tube, CO2Laser beam expanding list
Member and CO2Laser focusing unit；
The CO2Laser tube is used to produce CO2Laser beam；
The CO2Laser beam expanding unit includes expanding secondary mirror and expands primary mirror；It is described to expand secondary mirror and expand primary mirror installation
In the CO2In the light path of laser beam, it is expanded；
The CO2Laser focusing unit includes laser range finder, signal transacting and control system and motorized precision translation stage；It is described
Secondary mirror is expanded to be fixed on the motorized precision translation stage；
The laser range finder carries out ranging to target and by institute's ranging from feeding back to the signal transacting and control system；
The signal transacting calculates the movement of the motorized precision translation stage with the distance that control system is fed back according to the laser range finder
Amount；
The motorized precision translation stage expands secondary mirror under the control of the signal transacting and control system along institute described in driving
State CO2The optical axis direction movement of laser beam, carries out Real-time Focusing.
Preferably, it is described to be based on CO2Expanding for laser tube light source also includes CO with real-time focusing device2Laser beam axis is transferred
Unit；The CO2Laser beam axis turnover unit includes the first turning mirror and the second turning mirror, for by the CO2Laser tube exports
CO2Transfer 180 ° in the direction of laser beam；
It is described to expand secondary mirror and expand primary mirror and be installed on the CO2In light path after 180 ° of laser beam turnover.
Beneficial effects of the present invention
It is provided by the invention to be based on CO2Laser tube light source expand and real-time focusing device, it is anti-using two 45 degree of planes
Mirror is penetrated by CO2The optical axis direction of laser beam is transferred 180 °, is shortened the length of Laser emission cylinder, is realized Laser emission cylinder
Miniaturization and portability, it is adapted to field transport and work；And it can be realized according to target apart from Real-time Focusing to difference
Distance objective, under conditions of certain power laser pipe, CO2The hot spot of laser is minimum, laser power density highest, to the clear of foreign matter
Removing solid capacity is most strong.
Brief description of the drawings
Fig. 1 is based on CO for the present invention2The light path schematic diagram expanded with real-time focusing device of laser tube light source；
Description of reference numerals：1-CO2Laser tube, the turning mirrors of 21- first, the turning mirrors of 22- second, 31- expand secondary mirror, 32-
Expand primary mirror, 41- laser range finders, 42- signal transactings and control system, 43- motorized precision translation stages.
Embodiment
The present invention is specifically described below by embodiment, it is necessary to it is pointed out here that be that the present embodiment is served only for pair
The present invention is further described, it is impossible to is interpreted as limiting the scope of the invention, the person skilled in the art in the field can
Some nonessential modifications and adaptations are made with the content of the invention more than.In the case where not conflicting, the reality in the present invention
Applying the feature in example and embodiment can be mutually combined.
As shown in figure 1, the present invention provides a kind of preferred embodiment, one kind is based on CO2Laser tube light source expand with real time
Focus control, including：CO2Laser tube 1, CO2Laser beam expanding unit and CO2Laser focusing unit；
The CO2Laser tube 1 is used to produce CO2Laser beam；The foreign matter on electric wire is removed after focusing and expanding；
The CO2Laser beam expanding unit includes expanding secondary mirror 31 and expands primary mirror 32；It is described to expand secondary mirror 31 and expand master
Mirror 32 is installed on the CO2In the light path of laser beam, it is expanded, so as to compress CO2Laser tube 1 exports CO2Laser light
The angle of divergence of beam；
The CO2Laser focusing unit includes laser range finder 41, signal transacting and control system 42 and motorized precision translation stage
43；The secondary mirror 31 that expands is fixed on the motorized precision translation stage 43；
The laser range finder 41 carries out ranging to target and by institute's ranging
System 42；The signal transacting calculates the electric translation with the distance that control system 42 is fed back according to the laser range finder 41
The amount of movement of platform 43；The motorized precision translation stage 43 drives the control for expanding secondary mirror 31 in the signal transacting and control system 42
Along the CO under system2The optical axis direction movement of laser beam, carries out Real-time Focusing.So as to realize CO2Laser beam expanding unit is not to
The focusing of same distance foreign matter target.
In the preferred embodiment, it is described to be based on CO2Expanding for laser tube light source also includes CO with real-time focusing device2Swash
Light optical axis turnover unit；The CO2Laser beam axis turnover unit includes the first turning mirror 21 and the second turning mirror 22, for by institute
State CO2The CO that laser tube 1 exports2Transfer 180 ° in the direction of laser beam；It is described to expand secondary mirror 31 and expand primary mirror 32 and be installed on institute
State CO2In light path after 180 ° of laser beam turnover.
The CO2Laser beam axis turnover unit is made up of two 45 degree of plane mirrors, i.e. the first turning mirror 21 and second
Turning mirror 22, for by CO2The CO that laser tube 1 exports2The direction of laser beam is transferred 180 °, so as to reduce the length of optical system
Degree, is CO2The portable design that laser removes instrument lays the foundation.
CO2The CO that laser tube 1 goes out2Laser beam, by the first turning mirror 21, beam direction transfer 90 ° with original direction
Vertically；CO2Laser beam passes through the second turning mirror 22 again, and beam direction is transferred 90 ° again, makes CO2The optical axis and CO of laser beam2
The original CO that laser tube 1 exports2The optical axis of laser beam is parallel, but in the opposite direction.CO2Laser beam expanding unit expands secondary mirror 31
The CO after the second turning mirror 22 is put with primary mirror 32 is expanded2On the optical axis of laser beam.Using above-mentioned light channel structure, can effectively subtract
Small CO2The length of laser optical system, so as to be portable CO2The design that laser electricity power network foreign matter removes instrument lays the foundation.
Using big multiplying power, transmission-type CO2Laser beam expanding unit, secondary mirror 31 is expanded and a piece of primary mirror 32 that expands is formed by a piece of
Transmission-type CO2Laser beam expanding optical system, realize under the conditions of simple structure to CO2Laser tube 1 exports CO2Laser beam expands,
So as to compress CO2Laser tube 1 exports CO2The angle of divergence of laser beam, bring up to up to the CO at foreign matter2The power of laser facula is close
Degree, improve CO2Laser power grid foreign matter removes Scavenging activity of the instrument to remote foreign matter.
Using CO2The laser range finder 41 of laser Real-time Focusing unit can carry out real time distance, Ran Houxin to foreign matter target
Number processing with control system 42 according to range information and focusing algorithm, generation CO2The amount of movement of laser beam expanding unit secondary mirror, control
Motorized precision translation stage 6.3 moves, so as to drive CO2Laser beam expanding unit expands secondary mirror 31 along CO2The optical axis of laser beam does flat
Shifting movement, realize CO2Laser beam expanding unit is to the Real-time Focusing of different distance foreign matter target, so that CO2Laser beam expanding unit is defeated
The CO gone out2Laser vernier focusing is brought up to up to the CO at foreign matter at foreign matter target2The power density of laser facula, improve CO2
Laser power grid foreign matter removes Scavenging activity of the instrument to remote foreign matter target.
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of the present invention.
Claims (2)
1. one kind is based on CO2Laser tube light source expand and real-time focusing device, it is characterised in that including：CO2Laser tube, CO2
Laser beam expanding unit and CO2Laser focusing unit；
The CO2Laser tube is used to produce CO2Laser beam；
The CO2Laser beam expanding unit includes expanding secondary mirror and expands primary mirror；It is described expand secondary mirror and expand primary mirror be installed on it is described
CO2In the light path of laser beam, it is expanded；
The CO2Laser focusing unit includes laser range finder, signal transacting and control system and motorized precision translation stage；It is described to expand
Secondary mirror is fixed on the motorized precision translation stage；
The laser range finder carries out ranging to target and by institute's ranging from feeding back to the signal transacting and control system；It is described
Signal transacting calculates the amount of movement of the motorized precision translation stage with the distance that control system is fed back according to the laser range finder；
The motorized precision translation stage expands secondary mirror under the control of the signal transacting and control system along the CO described in driving2
The optical axis direction movement of laser beam, carries out Real-time Focusing.
2. according to claim 1 be based on CO2Laser tube light source expand and real-time focusing device, it is characterised in that it is described
Based on CO2Expanding for laser tube light source also includes with real-time focusing device：CO2Laser beam axis turnover unit；
The CO2Laser beam axis turnover unit includes the first turning mirror and the second turning mirror, for by the CO2Laser tube exports
CO2Transfer 180 ° in the direction of laser beam；
It is described to expand secondary mirror and expand primary mirror and be installed on the CO2In light path after 180 ° of laser beam turnover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094072.7A CN107643601A (en) | 2017-11-09 | 2017-11-09 | One kind is based on CO2Laser tube light source expand and real-time focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094072.7A CN107643601A (en) | 2017-11-09 | 2017-11-09 | One kind is based on CO2Laser tube light source expand and real-time focusing device |
Publications (1)
| Publication Number | Publication Date |
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| CN107643601A true CN107643601A (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094072.7A Pending CN107643601A (en) | 2017-11-09 | 2017-11-09 | One kind is based on CO2Laser tube light source expand and real-time focusing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469680A (en) * | 2018-03-30 | 2018-08-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of laser light source |
| CN108746087A (en) * | 2018-07-17 | 2018-11-06 | 云南电网有限责任公司曲靖供电局 | The clear line apparatus of laser and system |
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| CN200969479Y (en) * | 2006-08-09 | 2007-10-31 | 南京德朔实业有限公司 | Semiconductor laser pumped solid state laser |
| CN101201457A (en) * | 2007-12-07 | 2008-06-18 | 中国科学院上海光学精密机械研究所 | Large multiplying power beam expander for high power laser system |
| CN103246065A (en) * | 2013-05-17 | 2013-08-14 | 中国工程物理研究院应用电子学研究所 | Device for remotely and accurately focusing laser beam |
| CN105929407A (en) * | 2016-04-24 | 2016-09-07 | 西南技术物理研究所 | Laser wind-finding radar optical antenna focal length self-adaptive adjustment method |
| CN106816824A (en) * | 2017-02-22 | 2017-06-09 | 南通斯派特激光科技有限公司 | A kind of fully-automatic laser obstacle eliminating system and method for trolley line |
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2017
- 2017-11-09 CN CN201711094072.7A patent/CN107643601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200969479Y (en) * | 2006-08-09 | 2007-10-31 | 南京德朔实业有限公司 | Semiconductor laser pumped solid state laser |
| CN101201457A (en) * | 2007-12-07 | 2008-06-18 | 中国科学院上海光学精密机械研究所 | Large multiplying power beam expander for high power laser system |
| CN103246065A (en) * | 2013-05-17 | 2013-08-14 | 中国工程物理研究院应用电子学研究所 | Device for remotely and accurately focusing laser beam |
| CN105929407A (en) * | 2016-04-24 | 2016-09-07 | 西南技术物理研究所 | Laser wind-finding radar optical antenna focal length self-adaptive adjustment method |
| CN106816824A (en) * | 2017-02-22 | 2017-06-09 | 南通斯派特激光科技有限公司 | A kind of fully-automatic laser obstacle eliminating system and method for trolley line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469680A (en) * | 2018-03-30 | 2018-08-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of laser light source |
| CN108746087A (en) * | 2018-07-17 | 2018-11-06 | 云南电网有限责任公司曲靖供电局 | The clear line apparatus of laser and system |
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Application publication date: 20180130 |
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