CN104438227B - A kind of aircraft illiteracy paint laser cleaning equipment - Google Patents
A kind of aircraft illiteracy paint laser cleaning equipment Download PDFInfo
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- CN104438227B CN104438227B CN201310424758.3A CN201310424758A CN104438227B CN 104438227 B CN104438227 B CN 104438227B CN 201310424758 A CN201310424758 A CN 201310424758A CN 104438227 B CN104438227 B CN 104438227B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
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- Laser Beam Processing (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of aircrafts to cover paint laser cleaning equipment, including laser 2 and surface cleaning head 3 connected to it, using semiconductor pumped solid pulse laser, pass through MOPA structure, laser output power is improved by the way of electric-optically Q-switched, and it is passed through into hollow cone coupled into optical fibres, it is transmitted by optical fiber, realize a wide range of interior and long-time stable the washing and cleaning operation of relatively long distance, the security risk caused by body greatly reduces cleaning cost, and reduces pollution of the paint stripper to environment, it can be achieved to automatically control, use cost is low, high-efficient.
Description
Technical field
The present invention relates to laser cleaning technique field, it is especially applied to clean aircraft skin, can also be applied to simultaneously
The cleaning of the dirts of the body surfaces such as mold clean, stone material, metal, rusty stain and solvent residues, nuclear industry maintenance cleaning subtract
It is useless, artifact, traces, ancient building decontamination maintenance.
Background technique
Aircraft is after using a period of time (5 years or so), it is necessary to which overhaul is primary.In overhaul, surface is needed to paint
It all removes, this obtains a brand-new decorative coveringn not only for painting again after overhaul, even more finds to detect
The defect and fatigue crack of body or structural member, to avoid aircraft that fatigue failure accident occurs.
In the prior art, paint removal work is mainly carried out to airframe using paint stripper at present.However it is removed using paint stripper
There are many shortcomings that paint, not only toxic to have pollution, and paint stripper usage amount is very big, and cost is very high；Paint stripper exists to riveting
Steel rivet on body has corrosiveness, and is not only asked without above-mentioned using Investigation of Laser Delacquer-ing (Laser Paint Stripping)
Topic, and it is convenient for real-time control, thus widely paid close attention in laser cleaning field.
The report of China Aviation Industry Corporation I's publication claims, and by 2023, China's passenger and freight transportation machine will be up to 2769
Frame.If military secret and general-purpose aircraft are taken into account again, the aircraft number in China is even more very huge.China's medium transport aircraft
When paint removal, every frame needs 2.4 tons of paint stripper, and paint stripper per ton is worth 3.8 ten thousand yuans, it follows that the type aircraft is de-
Paint expense, light paint stripper one just need 9.12 ten thousand yuan；If the cost of aircraft paint removal is mainly exactly laser using Investigation of Laser Delacquer-ing technology
The power consumption expense of device.
It is 5 kilowatts of laser that aircraft Investigation of Laser Delacquer-ing, which needs an output power, can be completed within continuous work 48 hours
Whole airplane paint removal task.The electro-optical efficiency of laser is 10%, and power consumption calculates as follows: (5KW*48H)/10%=2400
(degree)；According to commercial power standard, every 1.2 yuan of degree electricity, the electricity charge are amounted to are as follows: 2400 degree * 1.2 yuan /=2880 yuan of degree；It is only equivalent to
It using the 3% of paint stripper expense, calculates according to 2000 frame of aircraft ownership in current China Civil Aviation market, flies referring to one medium-sized
Machine covers the expense of paint laser cleaning equipment using aircraft, and the cost calculation that can be saved is as follows: (91200-2880) * 2000=
1.7664 hundred million yuan, economic benefit is very huge, and huge cost will be saved to client.
Aircraft has the requirement of intimate harshness to safety, so in aircraft industry department, either production or maintenance,
Improvement to each procedure, what is expected first is not cost but safety.Therefore laser paint stripping will replace traditional paint stripper
Method, to be offered first is exactly safety assurance, and laser paint stripping will not have a bit damage to airframe.If laser paint stripping
Speed is slow, will delay the maintenance time of aircraft, and thus caused economic loss is quite serious.So only laser is de-
The speed of paint reach so that more than paint stripper paint stripping rate, that is, about 22m can be removed per hour2Body paint layer, swash
The advantages of light depainting, can just emerge from.
How providing a kind of aircraft and covering paint laser cleaning equipment and effectively to carry out aircraft skin cleaning is worth our to think deeply.
Summary of the invention
The purpose of the present invention is to provide a kind of aircraft skin coating removal laser cleaning equipment, solve paint stripper paint removal to body
Caused by security risk, reduce cleaning cost, reduce paint stripper and clean pollution to environment.
To achieve the above object, the present invention provides a kind of aircraft and covers paint laser cleaning equipment, including laser 2 and and its
The surface cleaning head 3 of connection, wherein the laser 2 includes that the total reflection mirror 21, first being set in turn in optical path pumps mould
Block 22, electro-optic Q switch 23,24, the 1st ° of reflecting mirrors 25 of outgoing mirror, the first beam dump 26,27, the 2nd 45 ° of attenuator
Reflective mirror 28, the second pump module 29, switching element 211, the second beam dump 212, the 3rd 45 ° of reflective mirrors 213, optical fiber
Coupler 214, and all device axis are coaxial, and the pumping of the first pump module 22 generates laser, is adjusted by electro-optic Q switch 23
Q output high-power pulse laser, and laser power is amplified by the second pump module 29 again, and high power pulsed laser is passed through
Fiber coupler 214 is coupled into optical fiber 7；
The surface cleaning head 3 includes beam expanding lens 31, and the output light direction of beam expanding lens is equipped with 32,45 ° of 45 ° of reflective copper sheets instead
The reflected light path of light copper sheet is equipped with scanning galvanometer 33, and the reflected light path of scanning galvanometer is equipped with condenser lens 34, condenser lens
Lens combination light path output outgoing laser beam 35 be used for cleaning of objects 6.
It preferably, further include dust exhaust apparatus 5, the dust exhaust apparatus is connected to the front end of surface cleaning head 3, dust exhaust apparatus 5
In be connected with tracheae 51, to absorb during laser cleaning caused by clast protect focus lamp 34, scanning galvanometer 33 to produce from cleaning
Raw dirt contamination.
Preferably, further include condenser 4, further include light absorbing device 36 in the surface cleaning head 3, be equipped in light absorbing device
Cooling water pipe, cooling water pipe are connected by outlet pipe 41 and return pipe 42 with condenser 4, and the light absorbing device absorbs laser conversion
It is heat to carry out radiating treatment to laser 2 and surface cleaning head 3.
It preferably, further include touch screen display unit, the controller of laser connects the touch screen display unit, by described
Touch screen display unit carries out laser cleaning parameter setting and cleaning model selection.
It preferably, further include power meter 210, the power meter is controlled through the controller of laser, and real by I/O interface
When monitoring cleaning when laser power.
Preferably, the fiber coupler 214 is hollow cone coupler.
Preferably, the laser 2 is MOPA laser.
Preferably, first pump module, the second pump module are continuous pump modules.
Preferably, 3 lower end of surface cleaning head is equipped with handle 37.
Preferably, the front end of the surface cleaning head 3 is additionally provided with protective cover.
As described above, a kind of aircraft of the invention covers paint laser cleaning equipment, including laser 2 and cleaning connected to it
Processing head 3, by MOPA structure, improves laser output work using pumped solid pulse laser by the way of electric-optically Q-switched
Rate, and it is transmitted by hollow cone coupled into optical fibres by optical fiber, realize that relatively long distance is a wide range of interior and long-time stable
Washing and cleaning operation, and without using chemical reagent thus nontoxic and pollution-free, it can be achieved that automatically controlling, use cost is low, high-efficient.
Detailed description of the invention
Invention is further described in detail with embodiment with reference to the accompanying drawing；
Fig. 1 is that one of embodiment of the present invention aircraft covers paint laser cleaning device structure schematic diagram；
Fig. 2 is laser structure schematic diagram in Fig. 1；
Fig. 3 is that aircraft covers paint laser cleaning apparatus control system modular structure schematic diagram；
Fig. 1 into Fig. 3,
Control cabinet 1, laser 2, total reflective mirror 21, the first pump module 22, electro-optic Q switch 23, outgoing mirror 24, first
45 ° of reflecting mirrors 25, the first collection of beam current 26,27, the 2nd 45 ° of reflective mirrors 28 of attenuator, the second pump module 29, power meter 210,
Switching element 211, fiber coupler 214, surface cleaning head 3, expands second beam dump, 212, the 3rd 45 ° of reflective mirrors 213
Beam mirror 31, reflective copper sheet 32, scanning galvanometer 33, focus lamp 34, laser beam 35, light absorbing device 36, handle 37, condenser 4, water outlet
Pipe 41, return pipe 42, dust exhaust apparatus 5, tracheae 51, cleaning of objects 6, optical fiber 7.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be noted that structure, ratio, size etc. depicted in this specification attached drawing, only to cooperate explanation
The revealed content of book is not intended to limit the invention enforceable restriction so that those skilled in the art understands and reads
Condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, in not shadow
It rings under the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed technology contents and be contained
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified,
It is changed under technology contents without essence, when being also considered as the enforceable scope of the present invention.
It please refers to shown in Fig. 1, the structural schematic diagram of paint laser cleaning equipment is covered for aircraft of the invention, in combination with figure
2 structural schematic diagram of laser shown in 2, the cleaning equipment include: laser 2 and surface cleaning head 3 connected to it, described
Laser 2 is the laser of MOPA structure, and the laser 2 includes that the total reflection mirror 21, first being set in turn in optical path pumps
Pu module 22, electro-optic Q switch 23, outgoing mirror 24, the one 45 ° of reflecting mirror 25, the first beam dump 26, attenuator 27,
212, the 3rd 45 ° of 2 45 ° of reflective mirrors 28, the second pump module 29, switching element 211, the second beam dump reflective mirrors
213, fiber coupler 214, and all device axis are coaxial, and the pumping of the first pump module 22 generates laser, by electric-optically Q-switched
Switch 23 adjusts Q output high-power pulse laser, and amplifies laser power again by the second pump module 29, and described the
One, the second pump module 22,29 is continuous pump module, and high power pulsed laser is coupled into light through fiber coupler 214
Fibre is to realize long distance transmission.
The surface cleaning head 3 includes beam expanding lens 31, and the output light direction of beam expanding lens is equipped with 32,45 ° of 45 ° of reflective copper sheets instead
The reflected light path of light copper sheet is equipped with scanning galvanometer 33, and the reflected light path of scanning galvanometer is equipped with condenser lens 34, condenser lens
Lens combination light path output outgoing laser beam 35 be used for cleaning of objects 6.
The cleaning equipment of this programme can also include dust exhaust apparatus 5, before the dust exhaust apparatus is connected to surface cleaning head 3
It holds, is connected with tracheae 51 in dust exhaust apparatus 5, clast caused by absorbing laser cleaning in the process with help is to protect focus lamp 34, sweep
Retouch the dirt contamination that galvanometer 33 is generated from cleaning.
The cleaning equipment of this programme can also include condenser 4, further include light absorbing device 36 in the surface cleaning head 3,
Cooling water pipe is equipped in light absorbing device, cooling water pipe is connected by outlet pipe 41 and return pipe 42 with condenser 4, the extinction dress
It sets absorption laser and is converted to heat to carry out radiating treatment to laser 2 and surface cleaning head 3.
In the above scheme, with 10m long between laser 2 and surface cleaning head 3, the optical fiber 17 that core diameter is 600um is connected,
Wherein the fiber coupler 214 is hollow cone coupler, can be effectively relieved during high-power laser coupling to optical fiber 7
It burns, while coupling efficiency can achieve 80%, and be effectively reduced cost, the laser cleaning within 10m may be implemented, so as to
Expand cleaning use scope.
3 lower end of surface cleaning head is equipped with handle 37, and mechanical arm and artificial may be implemented by handle and facilitate behaviour
Make；The front end of the surface cleaning head 3 is additionally provided with protective cover, and cleaning fragment can be effectively prevent to pollute focus lamp 34.
Incorporated by reference to shown in Fig. 3, paint laser cleaning apparatus control system modular structure schematic diagram is covered for aircraft of the invention,
It includes controller,
Controller passes through the signal of I/O interface laser switch, to start pump module power supply, adjust electric-optically Q-switched open
Close drive module, and driving scanning galvanometer driving unit；
The cleaning equipment of this case can also include power meter 210, and the power meter is controlled through the controller of laser, and is led to
The laser power when cleaning of I/O interface real-time monitoring is crossed, and obtains laser power in real time；
It can also include touch screen display unit connected to the controller, by touch screen display unit progress parameter setting and clearly
Wash operating mode selection；
The parameter set is converted into two-way simulation by D/A converting unit by A/D converting unit connected to the controller
Voltage signal, analog voltage signal controls pump supply source to power to pump module all the way, and another way analog voltage signal inputs
To galvanometer driving unit to drive scanning galvanometer 33；
Controller generates the driving of Laser Modulation frequency signal and adjusts Q drive module, and Q drive module is adjusted to drive electro-optic Q switch
Laser output laser is modulated, exports high peak power pulse laser, the peak of output after making continuous pumping laser tune Q
Value power pulsed laser can pass through MOPA(master oscillation power amplification structure) by with high light beam quality seed signal light and
Pump light is amplified by certain mode coupled into double-clad fiber, is amplified to realize to the high power of seed light source,
Then fiber coupling exports.
Laser 2, condenser 4, dust exhaust apparatus 5 in this programme can be arranged in together in control cabinet 1, and aircraft covers paint
The laser cleaning equipment course of work is as follows, and control cabinet 1 powers on, and carries out after opening power supply to each section state in control cabinet 1
The handle 37 of surface cleaning head 2 is gone out photoswitch rotation by setting, and laser 2 exports high peak power pulse laser beam, through expanding
Mirror 31 is irradiated on reflective copper sheet 32 after expanding, and reflective copper sheet and main optical path angle at 45 ° are placed, and copper sheet 32 of giving out light is by laser beam 35
It is reflected into scanning galvanometer 33, also angle at 45 ° is placed for scanning galvanometer and main optical path, and 33 high speed of scanning galvanometer scans back and forth and by laser
Beam 35 is reflected into focus lamp 34, is focused on laser beam 35 on cleaning of objects 6 by focus lamp, removes its body surface illiteracy
Paint, at the same laser cleaning operation when, dust exhaust apparatus 5 works at the same time, to protect focus lamp 35 and scanning galvanometer not contaminated；Clearly
It when washing complete, is switched by the reflective copper sheet 32 on rotating handles 37, optical path rotation is got on light absorbing device 36, and laser is absorbed
Heat is converted to, equipment is cooled down by condenser 4.
In the scheme of the present embodiment, using the PH-LW16-27-BHP laser condenser 4 of Shenzhen Dong Luyang, pump supply source is
The CW Laser Diode Driver of Sino Laser, using the GN100Series of Sino Laser, 300W DPSS Laser
Module type pump module, output power are 300 watts, and electro-optic Q switch 23 uses the ancient odd electro-optic Q switch of Britain, electricity
Modulation output 500W, pulsewidth 10ns, the outgoing mirror 24 for the use of transmitance being 40%, beam expanding lens 31 when light q-frequency is 10KHz
Using Jenoptik Beam expander, expanding multiplying power is 2 times, and scanning galvanometer 33 selects the uniaxial 10mm bore of ScanLab
Galvanometer dynAXIS3-S, 34 focal length f=254mm of focus lamp reach 25m2/h, cleaning effect for airframe paint removal cleaning speed
Well.
A kind of aircraft of the invention covers paint laser cleaning equipment, combines surface cleaning head 3 using MOPA structure laser 1,
Luminous energy is conducted using large-power optical fiber 7, realizes that long range, laser cleaning that is large-scale and being capable of long-term stable work are made
Industry；And without using chemical reagent thus nontoxic and pollution-free, it can be achieved that automatically controlling, use cost is low.So the present invention is effective
It overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, those of ordinary skill in the art institute without departing from the spirit and technical ideas disclosed in the present invention such as
All equivalent modifications or change completed, should be covered by the claims of the present invention.
Claims (8)
1. a kind of aircraft covers paint laser cleaning equipment, which is characterized in that add including laser (2) and cleaning connected to it
Foreman (3), wherein the laser (2) includes total reflection mirror (21), the first pump module being set in turn in optical path
(22), electric-optically Q-switched switch (23), outgoing mirror (24), the one 45 ° of reflecting mirror (25), the first beam dump (26), decaying
Device (27), the 2nd 45 ° of reflective mirror (28), the second pump module (29), switching element (211), the second beam dump
(212), the 3rd 45 ° of reflective mirror (213), fiber coupler (214), and all device axis are coaxial, the first pump module
(22) pumping generates laser, adjusts Q output high-power pulse laser by electric-optically Q-switched switch (23), and pass through the second pumping
Module (29) amplifies laser power again, and high power pulsed laser is coupled into optical fiber (7) through fiber coupler (214)；Institute
Stating surface cleaning head (3) includes beam expanding lens (31), and the output light direction of beam expanding lens is equipped with 45 ° of reflective copper sheets (32), and 45 ° reflective
The reflected light path of copper sheet is equipped with scanning galvanometer (33), and the reflected light path of scanning galvanometer is equipped with condenser lens (34), focuses saturating
The lens combination light path output outgoing laser beam (35) of mirror is used for cleaning of objects (6)；
Further include condenser (4), further includes light absorbing device (36) in the surface cleaning head (3), be equipped with cooling in light absorbing device
Water pipe, cooling water pipe are connected by outlet pipe (41) and return pipe (42) with condenser (4), and the light absorbing device absorbs laser
Heat is converted to carry out radiating treatment to laser (2) and surface cleaning head (3)；
It further include power meter (210), the power meter is controlled through the controller of laser, and is supervised in real time by I/O interface
Survey laser power when cleaning.
2. the aircraft covers paint laser cleaning equipment according to claim 1, which is characterized in that further include dust exhaust apparatus
(5), the dust exhaust apparatus is connected to the front end of surface cleaning head (3), and tracheae (51) are connected in dust exhaust apparatus (5), is swashed with absorbing
The dirt contamination that caused clast protection focus lamp (34), scanning galvanometer (33) are generated from cleaning in light cleaning process.
3. the aircraft covers paint laser cleaning equipment according to claim 1, which is characterized in that further include that touch screen display is single
The controller of member, laser connects the touch screen display unit, carries out laser cleaning parameter by the touch screen display unit and sets
It sets and cleaning model selection.
4. the aircraft covers paint laser cleaning equipment according to claim 1, which is characterized in that the fiber coupler
It (214) is hollow cone coupler.
5. aircraft according to claim 1 covers paint laser cleaning equipment, which is characterized in that the laser (2) is MOPA
Laser.
6. the aircraft covers paint laser cleaning equipment according to claim 1, which is characterized in that first pump module
(22), the second pump module (29) is continuous pump module.
7. the aircraft covers paint laser cleaning equipment according to claim 1, which is characterized in that the surface cleaning head (3)
Lower end is equipped with handle (37).
8. the aircraft covers paint laser cleaning equipment according to claim 1, which is characterized in that the surface cleaning head (3)
Front end be additionally provided with protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310424758.3A CN104438227B (en) | 2013-09-16 | 2013-09-16 | A kind of aircraft illiteracy paint laser cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310424758.3A CN104438227B (en) | 2013-09-16 | 2013-09-16 | A kind of aircraft illiteracy paint laser cleaning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104438227A CN104438227A (en) | 2015-03-25 |
| CN104438227B true CN104438227B (en) | 2018-12-18 |
Family
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| CN201310424758.3A Active CN104438227B (en) | 2013-09-16 | 2013-09-16 | A kind of aircraft illiteracy paint laser cleaning equipment |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406090B (en) * | 2018-02-05 | 2019-12-27 | 中国航发北京航空材料研究院 | High-energy short pulse laser processing method for removing stealth coating on metal surface |
| CN108372158A (en) * | 2018-02-28 | 2018-08-07 | 彭州启光科技有限公司 | A kind of laser cleaner for aircraft skin depainting |
| CN108421798A (en) * | 2018-06-15 | 2018-08-21 | 彭州启光科技有限公司 | A kind of aircraft skin laser cleaner |
| CN109226095B (en) * | 2018-08-08 | 2021-11-23 | 江苏大学 | Efficient laser cleaning device and method based on stress superposition |
| CN110052716B (en) * | 2019-05-15 | 2021-11-09 | 大茂伟瑞柯车灯有限公司 | Laser stripping method applied to car lamp |
| CN110976435A (en) * | 2019-12-19 | 2020-04-10 | 山东省科学院激光研究所 | Hand-held laser cleaning device |
| CN113649359B (en) * | 2021-08-02 | 2022-08-12 | 江苏百世诺智能科技有限公司 | Intelligent laser paint removing equipment, system and method for removing paint of complete airplane |
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| FR2674983B1 (en) * | 1991-04-05 | 1994-08-05 | Framatome Sa | LASER WORKING PROCESS AND EQUIPMENT IN A CONTAMINATED AREA OF A NUCLEAR FACILITY. |
| FR2863916B1 (en) * | 2003-12-19 | 2007-04-27 | Commissariat Energie Atomique | METHOD AND DEVICE FOR CLEANING A SURFACE USING A LASER BEAM |
| CN101574697B (en) * | 2009-06-15 | 2010-10-13 | 长春理工大学 | Portable all solid state dual wavelength laser cleaner |
| CN201776251U (en) * | 2010-09-07 | 2011-03-30 | 上海天影激光科技有限公司 | Laser cleaner for electrification cleaning |
| CN102280812A (en) * | 2011-06-30 | 2011-12-14 | 武汉凌云光电科技有限责任公司 | Side-pumped high-power laser device |
| CN102886364A (en) * | 2012-10-23 | 2013-01-23 | 中国船舶重工集团公司第七一七研究所 | Portable-type laser cleaning head |
| 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 |
| CN203526145U (en) * | 2013-09-16 | 2014-04-09 | 上海海固电器设备有限公司 | Laser washing device |
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Effective date of registration: 20201112 Address after: Area a010, 3 / F, No. 4 workshop, Suzhou Baishi automobile service building, No. 2266 Taiyang Road, Xincheng high speed railway, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Haigu Technology (Suzhou) Co., Ltd Address before: 201514 149, building 4619, No. 5, Shanghai Hangzhou highway, Shanghai, Jinshan District Patentee before: SHANGHAI HIGO ELECTRONIC TECHNOLOGY Co.,Ltd. |