CN108731902A - Laser combines the pilot system and method for damage effect with airflow on surface - Google Patents
Laser combines the pilot system and method for damage effect with airflow on surface Download PDFInfo
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- CN108731902A CN108731902A CN201810541873.1A CN201810541873A CN108731902A CN 108731902 A CN108731902 A CN 108731902A CN 201810541873 A CN201810541873 A CN 201810541873A CN 108731902 A CN108731902 A CN 108731902A
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- target
- reflective mirror
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention belongs to laser application technique field, it is related to pilot system and method that a kind of laser combines damage effect with airflow on surface, it is therefore intended that the shortcomings that overcoming existing pilot system with high costs, bulky and narrow application range.The technical scheme is that：A kind of laser combines the pilot system of damage effect, including target, beam module, air-flow analog module and monitoring device with airflow on surface, and the beam module includes laser and the first total reflective mirror, and first total reflective mirror is arranged on the emitting light path of laser；The air-flow analog module includes motor and the support component connected with machine shaft；First total reflective mirror, target and monitoring device are each attached to support component upper end, wherein the first total reflective mirror sets centre, target and monitoring device are respectively provided at the both sides of the first total reflective mirror；For the light that laser is sent out through the first total reflective mirror reflected illumination on target, the optical signal on target surface enters monitoring device without being blocked by the first total reflective mirror.
Description
Technical field
The invention belongs to laser application technique field, it is related to the experiment system that a kind of laser combines damage effect with airflow on surface
System and method more particularly to a kind of laser irradiating effects experimental system of the simulated target state of flight in the way of high-speed rotating
And method.
Background technology
In high power laser light injures airbound target effect study, the flight for simulating target in laboratory environments is needed
State.Usual way is to carry out simulated experiment, influence of the research airflow on surface to target laser damage effect using wind-tunnel.In public affairs
" pilot system and the side of damage effect are combined in a kind of light laser with supersonic wind tunnel to the Chinese patent that the number of opening is CN105973563A
In method ", a kind of utilization wind tunnel simulation target airflow on surface, the method for Study of Laser irradiation effect are disclosed.But wind tunnel system
It is with high costs, it is bulky, and target volume is severely limited by the size of test chamber exhausting.
Invention content
It is an object of the invention to overcome existing pilot system with high costs, bulky and narrow application range,
It is proposed a kind of the laser irradiating effects experimental system and method for the simulated target state of flight in the way of high-speed rotating.
In order to complete above-mentioned purpose, specific technical solution of the invention is：A kind of laser is combined brokenly with airflow on surface
The pilot system of bad effect, is characterized in that：Including target, beam module, air-flow analog module and monitoring device,
The beam module includes laser and the first total reflective mirror, and the emergent light in laser is arranged in first total reflective mirror
On the road；
The air-flow analog module includes rotation support component, and the rotation support component includes motor and support component,
The machine shaft is connected in the middle part of support component；
First total reflective mirror, target and monitoring device are each attached to support component upper end, wherein the first total reflective mirror is set
Centre, target and monitoring device are respectively provided at the both sides of the first total reflective mirror；
For the light that laser is sent out through the first total reflective mirror reflected illumination on target, the optical signal on target surface enters prison
Measurement equipment by the first total reflective mirror without being blocked.
Further, the support component includes bull stick and is vertically installed at the target strut at bull stick both ends and monitoring is set
Standby strut, the first total reflective mirror are fixed on the middle part of bull stick, and target is mounted on target strut, and monitoring device is mounted on monitoring
On equipment strut；When the first total reflective mirror is on the line of target and monitoring device, the setting height of the first total reflective mirror is low
In the setting height of target and monitoring device.
Further, the support component includes turntable and target strut and monitoring device branch mounted on turntable outer rim
Bar, the first total reflective mirror are fixed on the center of turntable, and target is mounted on target strut, and monitoring device is mounted on monitoring device
On strut；When the first total reflective mirror is on the line of target and monitoring device, the setting height of the first total reflective mirror is less than target
The setting height of target and monitoring device.
Further, the turntable edge is equipped with the second total reflective mirror for carrying out positive irradiation to target, described
Second total reflective mirror is detachably connected with turntable.
Further, the edge of the support component is equipped with the track for constraining its movement locus.Outside to support component
The mode of mechanics constraint is held, airflow module is reduced due to vibrations caused by high speed rotation, improves stability and the safety of system.
Further, the laser emitting light optical axis sequentially passes through the center of the first total reflective mirror and the axis of machine shaft
The heart.
Further, first total reflective mirror and the second total reflective mirror are prism, metallic mirror or deielectric-coating speculum.
Further, the monitoring device is camera, radiation pyrometer or photodetector.
Meanwhile the invention also provides the experiment sides for combining damage effect pilot system with airflow on surface using above-mentioned laser
Method is characterized in that, is included the following steps：
1) target and monitoring device are separately mounted on target strut and monitoring device strut；
2) flight linear velocity needed for target and the distance at support component edge to its center calculate motor speed；
3) parameter of electric machine is set, monitoring device is opened while opening motor；
4) when motor is operated to setting speed, setting laser goes out optical parameter and opens laser, what laser was sent out
Light is radiated at after the reflection of the first total reflective mirror on target, or after the first total reflective mirror is reflected on the second total reflective mirror, then by
Second total reflection mirror reflexes to target；
5) motor is closed after laser light extraction, the data after motor stopping in export monitoring device.
Compared with the prior art, the advantages of the present invention are as follows：
1, pilot system of the invention drives the target being fixed on the outside of support component to reach experiment institute by motor rotation
The linear velocity needed, is then turned on laser and is irradiated to the target under state of flight, and recording joint by monitoring device destroys
Result corresponding to effect.Compared to wind tunnel system with high costs and bulky, have the characteristics that it is small, simple in structure,
And the target in the pilot system is in open space, and the scope of application is wider, is not limited by test chamber exhausting
Size.
2, target of the present invention be in normal atmosphere pressure, be not in wind tunnel system because air pressure increases can not simulate it is winged
The negative effects of row device state of flight at normal atmospheric pressure.
3, when bull stick is replaced with turntable by the present invention, the second total reflective mirror is installed at turntable edge, the light warp that laser is sent out
After first total reflective mirror is reflected on the second total reflective mirror, then target reflexed to by the second total reflection mirror；Utilize the second total reflective mirror reality
Now target front is irradiated, positive draft and laser joint damage effect can be simulated.And the second total reflective mirror and turntable are removable
Connection is unloaded, by adjusting position and the angle of the second total reflective mirror, the beam incident angle of ° continuous variable from 0 ° to 90 can be simulated.
Description of the drawings
Fig. 1 is the structural schematic diagram that laser of the present invention combines damage effect pilot system with airflow on surface；
Fig. 2 is vertical view when pilot system support component of the present invention uses turntable；
Fig. 3 be bull stick end or turntable edge of the present invention by it is track restrained when local state schematic diagram.
In figure：1- lasers；The first total reflective mirrors of 2-；The second total reflective mirrors of 3-；4- motors；5- machine shafts；6- bull sticks；7- targets
Target strut；8- targets；9- monitoring device struts；10- monitoring devices；11- turntables；12- tracks.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail：
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, following embodiment for illustrating the present invention, but
It is not limited to the scope of the present invention.
Embodiment one
Referring to Fig. 1 and Fig. 3, a kind of laser combines the pilot system of damage effect, including target 8, light with airflow on surface
Beam module, air-flow analog module and monitoring device 10, beam module include laser 1 and the first total reflective mirror 2, and described first is all-trans
Mirror 2 is arranged on the emitting light path of laser 1；Air-flow analog module includes rotation support component, the rotation support component packet
Motor 4 and support component are included, machine shaft 5 is connected in the middle part of support component；1 emergent light optical axis of the laser sequentially passes through
The axle center at the center and machine shaft 5 of one total reflective mirror 2.
The support component includes bull stick 6 and is vertically installed at the target strut 7 and monitoring device strut at 6 both ends of bull stick
9, the first total reflective mirror 2 is fixed on the middle part of bull stick 6, and target 8 is mounted on target strut 7, and monitoring device 10 is mounted on prison
On measurement equipment strut 9；The end of the bull stick 6 is equipped with the track 12 for constraining its movement locus, and the track 12 is circular air cushion
Track or magnetic-levitation.By way of to 6 outer end mechanics constraint of bull stick, airflow module is reduced due to caused by high speed rotation
Vibrations, improve stability and the safety of system.
First total reflective mirror 2 is prism, metallic mirror or deielectric-coating speculum.The monitoring device 10 be camera,
Radiation pyrometer or photodetector.
The light that laser 1 is sent out through 2 reflected illumination of the first total reflective mirror on target 8, the optical signal on 8 surface of target into
Enter monitoring device 10 without being blocked by the first total reflective mirror 2.When the first total reflective mirror 2 is in the line of target 8 and monitoring device 10
When upper, the setting height of the first total reflective mirror 2 is less than the setting height of target 8 and monitoring device 10.
Meanwhile the embodiment also proposed the experiment for combining damage effect pilot system with airflow on surface using above-mentioned laser
Method includes the following steps：
1) target 8 and monitoring device 10 are separately mounted on target strut 7 and monitoring device strut 9；
2) flight linear velocity needed for target 8 and the distance at 6 end of bull stick to its center calculate 4 rotating speed of motor；
3) 4 parameter of motor is set, monitoring device 10 is opened while opening motor 4；
4) when motor 4 is operated to setting speed, setting laser 1 goes out optical parameter and opens laser 1, and laser 1 is sent out
The light gone out is radiated at after the reflection of the first total reflective mirror 2 on target 8；
5) motor 4 is closed after 1 light extraction of laser, the data after the stopping of motor 4 in export monitoring device 10.
Embodiment two
Referring to Fig. 2, a kind of laser combines the pilot system of damage effect, including target 8, light beam mould with airflow on surface
Block, air-flow analog module and monitoring device 10, beam module include laser 1 and the first total reflective mirror 2, first total reflective mirror 2
It is arranged on the emitting light path of laser 1；Air-flow analog module includes rotation support component, and the rotation support component includes electricity
Machine 4 and support component, machine shaft 5 are connected in the middle part of support component；It is complete that 1 emergent light optical axis of the laser sequentially passes through first
The axle center at the center and machine shaft 5 of anti-mirror 2.
The support component includes turntable 11 and target strut 7 and monitoring device strut 9 mounted on 11 outer rim of turntable,
First total reflective mirror 2 is fixed on the center of turntable 11, and target 8 is mounted on target strut 7, and monitoring device 10 is mounted on monitoring
On equipment strut 9；The edge of turntable 11 is again provided with the track 12 for constraining its movement locus, and the track 12 is circular air cushion rail
Road or magnetic-levitation.
The optical signal on 8 surface of target enters monitoring device 10 without being blocked by the first total reflective mirror 2.When the first total reflective mirror 1
When on the line in target 8 and monitoring device 10, the setting height of the first total reflective mirror 2 is less than target 8 and monitoring device
10 setting height.
11 edge of turntable is equipped with the second total reflective mirror 3 for carrying out positive irradiation to target 8, what laser 1 was sent out
Light reflexes to target after the first total reflective mirror 2 is reflected on the second total reflective mirror 3, then by the second total reflection mirror 3；Second total reflective mirror
It is detachably connected with turntable, by adjusting position and the angle of second the second total reflective mirror of face 3, can simulate from 0 ° to 90 and ° continuously may be used
The beam incident angle of change.Target front is irradiated using the second total reflective mirror 3, positive draft can be simulated and laser joint destroys effect
It answers.
First total reflective mirror, 2 and second total reflective mirror 3 is prism, metallic mirror or deielectric-coating speculum.The monitoring
Equipment 10 is camera, radiation pyrometer or photodetector.
Meanwhile the embodiment also proposed the experiment for combining damage effect pilot system with airflow on surface using above-mentioned laser
Method includes the following steps：
1) target 8 and monitoring device 10 are separately mounted on target strut 7 and monitoring device strut 9；
2) flight linear velocity needed for target 8 and the distance at 11 edge of turntable to its center calculate 4 rotating speed of motor；
3) 4 parameter of motor is set, monitoring device 10 is opened while opening motor 4；
4) when motor 4 is operated to setting speed, setting laser 1 goes out optical parameter and opens laser 1, and laser 1 is sent out
The light gone out reflexes to target after the first total reflective mirror 2 is reflected on the second total reflective mirror, then by the second total reflection mirror；
5) motor 4 is closed after 1 light extraction of laser, the data after the stopping of motor 4 in export monitoring device 10.
In conjunction with the embodiments one and embodiment two be illustrated：
For example, simulation 0.8 Mach of subsonic flight state under empty temmoku target laser irradiating effects (such as guided missile and fly
Row device), it is about 272m/s to need the flight linear velocity of target 8 to be simulated, in the case where bull stick or turntable radius are 1m, if
It is 43 revolutions per seconds to set 4 rotating speed of motor.The target 8 of apparent size contracting ratio is made according to practical empty day target, and is fixed on target
On strut 7, video camera is fixed on monitoring device strut 9.Video camera is opened, motor 4 is run, waits for that target 8 reaches predetermined
After linear velocity, laser 1 is opened, the target 8 under state of flight is irradiated.Since video camera is relative to target 8
It sets and remains static, so video camera can clearly record effect phenomenon of the target 8 under laser irradiation.
It should be noted that has been described above is only a preferred embodiment of the present invention, for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (9)
1. a kind of laser combines the pilot system of damage effect with airflow on surface, it is characterised in that：Including target (8), light beam
Module, air-flow analog module and monitoring device (10),
The beam module includes laser (1) and the first total reflective mirror (2), and first total reflective mirror (2) is arranged in laser (1)
Emitting light path on；
The air-flow analog module includes rotation support component, and the rotation support component includes motor (4) and support component, electricity
Machine shaft (5) is connected in the middle part of support component；
First total reflective mirror (2), target (8) and monitoring device (10) are each attached to support component upper end, wherein first is complete
For the setting of anti-mirror (2) in centre, target (1) and monitoring device (10) are separately positioned on the both sides of the first total reflective mirror (2)；
The light that laser (1) is sent out through the first total reflective mirror (2) reflected illumination on target (8), believe by the light on target (8) surface
Number enter monitoring device (10) without being blocked by the first total reflective mirror (2).
2. laser according to claim 1 combines the pilot system of damage effect with airflow on surface, it is characterised in that：It is described
Support component includes bull stick (6) and is vertically installed at the target strut (7) and monitoring device strut (9) at bull stick (6) both ends, the
One total reflective mirror (2) is fixed on the middle part of bull stick (6), and target (8) is mounted on target strut (7), monitoring device (10) peace
On monitoring device strut (9)；When the first total reflective mirror (2) is on line of the target (8) with monitoring device (10), the
The setting height of one total reflective mirror (2) is less than the setting height of target (8) and monitoring device (10).
3. laser according to claim 1 combines the pilot system of damage effect with airflow on surface, it is characterised in that：It is described
Support component include turntable (11) and mounted on turntable (11) outer rim target strut (7) and monitoring device strut (9), first
Total reflective mirror (2) is fixed on the center of turntable (11), and target (8) is mounted on target strut (7), monitoring device (10) installation
On monitoring device strut (9)；When the first total reflective mirror (2) is on line of the target (8) with monitoring device (10), first
The setting height of total reflective mirror (2) is less than the setting height of target (8) and monitoring device (10).
4. laser according to claim 3 combines the pilot system of damage effect with airflow on surface, it is characterised in that：It is described
Turntable (11) edge is equipped with the second total reflective mirror (3) for carrying out positive irradiation to target (8), second total reflective mirror
(3) it is detachably connected with turntable.
5. laser according to claim 2 or 3 combines the pilot system of damage effect with airflow on surface, it is characterised in that：
The edge of the support component is equipped with the track (12) for constraining its movement locus.
6. laser according to claim 5 combines the pilot system of damage effect with airflow on surface, it is characterised in that：It is described
Laser (1) emergent light optical axis sequentially passes through the axle center at the center and machine shaft (5) of the first total reflective mirror (2).
7. laser according to claim 6 combines the pilot system of damage effect with airflow on surface, it is characterised in that：It is described
First total reflective mirror (2) and the second total reflective mirror (3) are prism, metallic mirror or deielectric-coating speculum.
8. laser according to claim 7 combines the pilot system of damage effect with airflow on surface, it is characterised in that：It is described
Monitoring device (10) is camera, radiation pyrometer or photodetector.
9. a kind of laser combines the test method of damage effect with airflow on surface, which is characterized in that include the following steps：
1) target (8) and monitoring device (10) are separately mounted on target strut (7) and monitoring device strut (9)；
2) flight linear velocity needed for target (8) and the distance at support component edge to its center calculate motor (4) and turn
Speed；
3) motor (4) parameter is set, monitoring device (10) is opened while opening motor (4)；
4) when motor (4) is operated to setting speed, setting laser (1) goes out optical parameter and opens laser (1), laser
(1) light sent out is radiated at after the first total reflective mirror (2) reflection on target (8), or is reflected into the through the first total reflective mirror (2)
After on two total reflective mirrors (3), then target (8) reflexed to by the second total reflection mirror (3)；
5) motor (4) is closed after laser (1) light extraction, the data after motor (4) stopping in export monitoring device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541873.1A CN108731902B (en) | 2018-05-30 | 2018-05-30 | Laser and surface airflow combined destructive effect test system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541873.1A CN108731902B (en) | 2018-05-30 | 2018-05-30 | Laser and surface airflow combined destructive effect test system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108731902A true CN108731902A (en) | 2018-11-02 |
| CN108731902B CN108731902B (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810541873.1A Expired - Fee Related CN108731902B (en) | 2018-05-30 | 2018-05-30 | Laser and surface airflow combined destructive effect test system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611542A (en) * | 2020-11-30 | 2021-04-06 | 湖北三江航天红林探控有限公司 | Target device for testing destructive capacity of laser dynamic target |
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| CN105973563A (en) * | 2016-05-12 | 2016-09-28 | 中国科学院力学研究所 | Strong laser and supersonic wind tunnel combined damage effect testing system and method |
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2018
- 2018-05-30 CN CN201810541873.1A patent/CN108731902B/en not_active Expired - Fee Related
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| CN104048812A (en) * | 2014-05-21 | 2014-09-17 | 西北核技术研究所 | Effect experimental device for optical elements irradiated with continuous wave high-energy lasers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611542A (en) * | 2020-11-30 | 2021-04-06 | 湖北三江航天红林探控有限公司 | Target device for testing destructive capacity of laser dynamic target |
| CN112611542B (en) * | 2020-11-30 | 2022-02-18 | 湖北三江航天红林探控有限公司 | Target device for testing destructive capacity of laser dynamic target |
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| CN108731902B (en) | 2020-03-20 |
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