CN1817549A - Portable laser cleaning system - Google Patents
Portable laser cleaning system Download PDFInfo
- Publication number
- CN1817549A CN1817549A CN 200610065407 CN200610065407A CN1817549A CN 1817549 A CN1817549 A CN 1817549A CN 200610065407 CN200610065407 CN 200610065407 CN 200610065407 A CN200610065407 A CN 200610065407A CN 1817549 A CN1817549 A CN 1817549A
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- laser
- optical fiber
- cleaning
- scanning optics
- portable
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- 238000004140 cleaning Methods 0.000 title claims abstract description 60
- 239000013307 optical fiber Substances 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000010354 integration Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 241000931526 Acer campestre Species 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000001012 protector Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 15
- 231100000719 pollutant Toxicity 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A portable laser cleaning system for road, billboard, etc is composed of power supply, optical fiber laser device, control system, optical fiber, handheld cleaning head, optical scanning system, ray-shielding protector, and ranging-focusing unit. Its advantages are simple structure, small size, high conversion efficiency and long service life.
Description
Technical field
The present invention relates to a kind of portable laser cleaning system, be applied in various public places, can dirt, rust staining, paint, rubber, plastics, residual solvent and the binding agent on the body surfaces such as road, billboard, electric pole and various stone material, brick material, building exterior wall be effectively cleaned and remove.
Background technology
Traditional cleaning method comprises mechanical ablution and wet-cleaning method etc.Mechanical means such as the machinery ablution promptly adopts and scrapes, wipes, brush, sandblast are removed surface contaminants; The wet-cleaning method is to utilize water or organic washing agent, removes surface attachments by measures such as spray, pouring, immersions.The machinery ablution can't satisfy the high cleanliness cleaning requirement, and damage is cleaned the surface of thing easily; And the wet-cleaning method can not effectively be handled the recovery and the discharging of washing agent in the cleaning process, has directly polluted environment, and the cleannes of acquisition are also very limited.
Laser cleaning technique is meant and adopts high power density laser bundle irradiation surface of the work, makes dirt, rust staining or the coating generation flash evapn on surface or peels off, thereby reach the process of cleaningization.Compare with conventional clean technology, laser cleaning technique has following characteristics: do not need cleaning solution or other chemical solution; The base material range of removing the scope of dirt and being suitable for is very extensive; By the regulation and control laser technical parameters, can on the basis of not damaging substrate surface, effectively remove pollutant, restored sth. to its original state in the surface; High adaptability and flexibility are arranged, can realize automation mechanized operation easily; The laser washer can use for a long time, and operating cost is low; Laser cleaning technique is a kind of " green " cleaning, and environment is not polluted basically.What laser cleaning was used in the past is excimer laser or YAG laser instrument, and it is bulky, and needs corresponding supporting cooling infrastructure since have be difficult for moving and drawbacks limit such as maintenance its generality of application.
Summary of the invention
The objective of the invention is to solve existing laser cleaning method because bulky and problem can not extensive use, a kind of portable laser cleaning system has been proposed, this system replaces excimer laser or YAG laser instrument with optical fiber laser, it is little to make this device have a volume, advantages such as in light weight, easy to operate, easy maintenance, long service life can be widely used in the cleaning of public place of city or enterprises and institutions.
The technical solution adopted in the present invention, concrete structure be referring to Fig. 1, this system mainly by power supply 10, optical fiber laser 30, control system 20, optical fiber 110, control formula cleaning 40, scanning optics 50, range finding focusing mechanism 70 and form; Wherein, power supply 10 and optical fiber laser 30; control system 20; scanning optics 50 connects; be its power supply; control system 20 links to each other with scanning optics 50 with optical fiber laser 30; optical fiber laser 30 by optical fiber 110 with control formula cleaning 40 and be connected; the end fitting of optical fiber is embedded into controls formula cleaning 40; controlling formula cleaning 40 is connected with scanning optics 50; control 40 pairs optical fiber 110 of formula cleaning and scanning optics 50 and can play protection and linking effect; scanning optics 50 is connected 70 with the range finding focusing mechanism again, and this device also is provided with and prevents the laser beam anti-ray protective device 60 of radiation to external world.Different optical fiber lasers can be selected at different cleaning object by this system, and Wavelength of Laser is between the scope of 532 nanometers to 1.5 micron, and the optical fiber laser emitted laser is continuous laser or pulse laser.
Optical scanning system is by controllable galvanometer, the frequency of galvanometer and amplitude can be controlled with a condenser lens and form, make laser beam converge the hot spot in city and finish scanning work, perhaps the integration mirror adds focus lamp and composition, makes laser beam pool a zonule and finishes scanning work.
The length a of anti-ray protective device is less than the focal distance f of condenser lens in the optical scanning system; the range finding focusing mechanism is by being made up of the rough positioning device and the adjustable accurate positioning device of fixing length; its length b can regulate; be used to make the focus of the laser beam after the focusing accurately to shine pollutant, referring to Fig. 2.
The function that each parts had in this system is: optical fiber laser is used for launching laser; Scanning optics can make laser that image is scanned, and scanning optics is controlled according to the optimization parameter that control system sets, and can make laser beam scanning on the either direction on X, the Y direction in the space; Control system can be controlled and optical scanning system is controlled the parameters of laser beam of optical fiber laser simultaneously, and the control parameter of laser beam is comprised the power of laser beam, the wavelength of laser beam, the pulsewidth of laser beam.Control to optical scanning system relates to sweep speed, scan mode, scanning area size, the modification of the arbitrary parametric variable of scanning patter and control.Simultaneously, control system also has the optimum organization parameter library, according to the attribute of cleaning of objects and the attribute of the pollutant on the cleaning of objects, can select the proper optimization combination parameter.Scanning optics is made corresponding scan mode according to the instruction of sending from control system.
Anti-ray protective device is used the Coating Materials of laser absorption is made; also can make by inboard Coating Materials the laser reflection; this device is airtight to cleaning the zone, thus can be when purging system work move, and protection surrounding enviroment and operating personnel prevent to be subjected to laser emission.
Operation principle of the present invention is: optical fiber laser is as light source, and the laser beam of a branch of high light beam quality that sends from optical fiber laser, bombardment with laser beams are to pollutant, and pollutant flash evapn takes place or is peeled off under the effect of irradiation of laser.
Because the present invention adopts semiconductor pumped optical fiber laser as light source, it is simple in structure, and volume is little, the conversion efficiency height, laser beam quality is good, and the life-span is long, and is non-maintaining, therefore, in cleaning course, do not need huge cooling device, be convenient to the cleaning of public arena.
Description of drawings
Fig. 1 is the pie graph of portable laser cleaning system.
Fig. 2 is a portable laser cleaning system range finding focusing schematic diagram.
Among the figure: the 10-power supply, the 20-control system, 30-optical fiber laser, 40-are controlled formula cleaning head, the 50-scanning optics, 60-prevents the ray protective device, the 70-focusing mechanism of finding range, the 80-condenser lens, 300-cleans thing, 400-pollutant, 110-optical fiber.
The specific embodiment
Specific embodiments of the invention can be referring to Fig. 1, and Fig. 2 mainly includes power supply 10, control system 20, and optical fiber laser 30 is controlled formula cleaning 40, scanning optics 50, range finding focusing mechanism 70, anti-ray protective device 60, optical fiber 110.Wherein, power supply 10 and optical fiber laser 30; control system 20; scanning optics 50 connects; be its power supply; controller links to each other with scanning optics with optical fiber laser; optical fiber laser by optical fiber with control formula cleaning head and be connected; controlling formula cleaning head is connected with scanning optics; the terminal street corner of optical fiber can be embedded into controls formula cleaning 40; control 40 pairs optical fiber 110 of formula cleaning and scanning optics 50 and can play protection and linking effect; scanning optics is connected with the range finding focusing mechanism again, and this device also is provided with and prevents the laser beam anti-ray protective device of radiation to external world.Can select different fiber laser instrument 30 at cleaning object, such as cleaning adhesive sticker, with 5 watts of laser instruments, the clean metal surface, with 50 watts of laser instruments, Wavelength of Laser can be between the scope of 532 nanometers to 1.5 micron, such as, can use short wavelength's 532 nanometers when cleaning object is the macromolecular material material, clean ferrous metal, with long wavelength's 1.5 micron fiber laser.Controlling formula cleaning 40 can be a hand-held handle, also can be a handle of controlling for mechanical arm.
Scanning optics 50 can be that a controllable galvanometer adds a condenser lens 80, can make laser beam pool a hot spot and finish scanning work, can also be that a controllable galvanometer adds focus lamp and integration mirror, can make laser beam pool a zonule and finish scanning work.
Portable laser cleaning system range finding focusing schematic diagram, as shown in Figure 2, the laser beam 500 after line focus lens 80 focus on shines pollutant 400, and pollutant 400 is attached on and cleans on the thing 300.The focal length of condenser lens 80 is f, and the orientation distance of range finding focusing mechanism 70 is focal distance f, and anchored object is the distance of the center line of condenser lens 80 to pollutant 400 surfaces.The focus of laser beam 500 can be fallen on the pollutant 400.The natural length of anti-ray protective device 60 is a, and a＜f.Range finding focusing mechanism 70 is adjustable devices, and its adjustable-length is b.So; surface thickness w at hypothesis pollutant 400; can draw f=a+b-w; and this moment; the focal length of three parameter condenser lenses 80 is that the natural length of f, anti-ray protective device 60 is that the surface thickness w of a and pollutant 400 is definite value in the equation, has only the adjustable-length b that regulates range finding focusing mechanism 70 to make equation set up.When cleaning adhesive sticker class small advertisement or scribble, the surface thickness w value of pollutant 400 is very little, can ignore, and can get f ≈ a+b this moment.Before cleaning operation, understand the surface thickness w of pollutant 400, the adjustable-length b of range finding focusing mechanism 70 is set.
The function of control system 20 is simultaneously the parameters of laser beam of optical fiber laser 30 to be controlled and optical scanning system 50 is controlled.Control system can be with comprising that PLC, single-chip microcomputer, single board computer or microprocessor realize, and be furnished with corresponding interface equipment and ancillary equipment.
Portable laser cleaning system is when carrying out cleaning, and system can also be equipped with and use assist gas, and a tracheae is housed on the cleaning head, blows downwards, blows to pollutant and just at cleaning face, improves cleaning efficiency with assist gas.
Claims (6)
1, portable laser cleaning system is characterized in that: this system mainly by power supply (10), optical fiber laser (30), control system (20), optical fiber (110), control formula cleaning head (40), scanning optics (50), range finding focusing mechanism (70) is formed; Wherein, power supply (10) is connected with optical fiber laser (30), control system (20), scanning optics (50), control system (20) links to each other with scanning optics (50) with optical fiber laser (30), optical fiber laser (30) by optical fiber (110) with control formula cleaning head (40) and be connected, control formula cleaning head (40) and be connected with scanning optics (50), scanning optics (50) is connected with range finding focusing mechanism (70) again.
2, portable laser cleaning system according to claim 1 is characterized in that: this device also is provided with and prevents the laser beam anti-ray protective device (60) of radiation to external world.
3, portable laser cleaning system according to claim 1 is characterized in that: scanning optics (50) is made up of frequency and the controllable galvanometer of amplitude and a condenser lens (80), perhaps adds condenser lens (80) by the integration mirror and forms.
4, according to claim 2 or 3 described portable laser cleaning systems, it is characterized in that: the length a of anti-ray protective device (60) is less than the focal distance f of condenser lens (80), and the length b of range finding focusing mechanism (70) is adjustable.
5, portable laser cleaning system according to claim 1 is characterized in that: the laser of optical fiber laser (30) output is continuous laser or pulse laser, and laser power is 5 watts to 100 watts.
6, portable laser cleaning system according to claim 1 is characterized in that: the optical maser wavelength of optical fiber laser (30) output is 532 nanometers to 1.5 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100654078A CN100374237C (en) | 2006-03-23 | 2006-03-23 | Portable laser cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100654078A CN100374237C (en) | 2006-03-23 | 2006-03-23 | Portable laser cleaning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1817549A true CN1817549A (en) | 2006-08-16 |
| CN100374237C CN100374237C (en) | 2008-03-12 |
Family
ID=36917851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100654078A Expired - Fee Related CN100374237C (en) | 2006-03-23 | 2006-03-23 | Portable laser cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100374237C (en) |
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| CN102059457A (en) * | 2010-10-29 | 2011-05-18 | 深圳市大族激光科技股份有限公司 | Laser paint-removing system and method |
| CN101486279B (en) * | 2008-01-16 | 2011-08-17 | 俞国麟 | Laser marker |
| CN102513325A (en) * | 2011-12-29 | 2012-06-27 | 江苏大学 | Automatic collecting device for laser cleaning pollutants |
| CN102764747A (en) * | 2012-07-03 | 2012-11-07 | 安徽工业大学 | Method and device for descaling inner wall of metal pipeline based on laser impact wave technology |
| CN102886363A (en) * | 2012-10-23 | 2013-01-23 | 中国船舶重工集团公司第七一七研究所 | Laser cleaning system for rubber module |
| CN103658140A (en) * | 2013-12-04 | 2014-03-26 | 北京航天时代光电科技有限公司 | Optical shaping device of handheld laser cleaning machine |
| CN104128332A (en) * | 2014-08-04 | 2014-11-05 | 武汉和骏激光技术有限公司 | Laser cleaning machine with focus tracking function |
| CN104127959A (en) * | 2014-08-04 | 2014-11-05 | 武汉和骏激光技术有限公司 | Miniature laser cleaning machine |
| CN104259142A (en) * | 2014-08-04 | 2015-01-07 | 武汉和骏激光技术有限公司 | Fiber laser cleaning machine |
| CN105030168A (en) * | 2015-06-25 | 2015-11-11 | 武汉大学 | Robot and method for cleaning external glass in room based on femtosecond laser |
| CN105170573A (en) * | 2015-07-24 | 2015-12-23 | 苏州市星科四达激光科技有限公司 | Laser cleaning device and method of ink container |
| CN106001008A (en) * | 2016-06-21 | 2016-10-12 | 上海临仕激光科技有限公司 | Laser cleaning method for marine paint |
| CN106514013A (en) * | 2016-12-29 | 2017-03-22 | 中科和光（天津）应用激光技术研究所有限公司 | Portable and movable laser drilling and cutting equipment |
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| CN107225330A (en) * | 2017-07-19 | 2017-10-03 | 云南电网有限责任公司电力科学研究院 | A kind of high voltage alive equipment laser rust-removing device |
| CN107309221A (en) * | 2017-08-09 | 2017-11-03 | 温州大学激光与光电智能制造研究院 | A kind of hand-held adaptive laser cleaner of dual wavelength composite light beam shaping |
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