CN108646254A - A kind of comprehensive nothing draws the laser ranging emitter of circle - Google Patents
A kind of comprehensive nothing draws the laser ranging emitter of circle Download PDFInfo
- Publication number
- CN108646254A CN108646254A CN201810463560.9A CN201810463560A CN108646254A CN 108646254 A CN108646254 A CN 108646254A CN 201810463560 A CN201810463560 A CN 201810463560A CN 108646254 A CN108646254 A CN 108646254A
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- China
- Prior art keywords
- telescope
- laser
- circle
- psd
- draws
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/484—Transmitters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Telescopes (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to laser ranging fields, and in particular to a kind of comprehensive nothing draws the laser ranging emitter of circle, including motorized adjustment mirror, spectroscope, PSD displacement sensors, drive control device, 45 ° of speculums, transmitter-telescope, receiving telescope, detection reception terminal；Laser reflexes to spectroscope through motorized adjustment mirror, part light is reflexed to through spectroscope on PSD displacement sensors, and through spectroscope through 45 ° of speculums, transmitter-telescope emits to detection target, the return laser beam of detection target is received telescope reception, final detected reception end-probing.PSD displacement sensors record transmitting laser optical path, telescope is horizontal or the caused pattern displacement for emitting laser of short transverse rotation is drawn circle and detected by PSD displacement sensors, drive control device controls motorized adjustment mirror, so that light beam is restored to the record position of original PSD displacement sensors, it is changed to reach light beam non-displacement, realizes that the transmitting comprehensive nothing of laser draws the transmission of circle.
Description
Technical field
The invention belongs to laser ranging fields, more particularly, are related to a kind of laser ranging transmitting of comprehensive nothing stroke circle
Device.
Background technology
Laser ranging has the good characteristics such as precision is high, and ranging distance is remote, in the position of the extraterrestrial targets such as satellite, space junk
It sets in measurement and is widely used.Artificial satellite is widely applied to communication, science exploration and experiment, military defence, meteorology
Equal fields.Global position system GPS and the BEI-DOU position system in China are answered in the social activities of people, life extensively
With far-reaching changes people’s lives mode, promotes the development of the mankind.Meanwhile the mankind are during exploring space, it is more next
More artificial satellite, deep space probe emit to space.In high radiation, vacuum, weightless severe space environment, these
The aircraft of mankind's manufacture, often the offset with position, damage equivalent risk, thus gradually lose its function.Laser satellite is surveyed
Away from the advantages that remote by its ranging, range accuracy is high, a kind of conventional means of satellite/space junk orbit determination and monitoring are become,
Paid attention to by every country.
The mode that generally use transmitter-telescope is detached with receiving telescope in satellite laser range-measurement system at present, transmitting are hoped
Remote mirror is only responsible for the transmitting of laser, and receiving telescope is responsible for the detection of return laser beam, and in order to realize effective reception, receives
The bore of telescope is generally bigger than the bore of transmitter-telescope.Thus, receiving telescope is also commonly used to load CCD and realizes to defending
The real-time tracking of star/space junk and monitoring.The satellite or space junk speed of LEO are fast, inswept rail at ranging website
Mark radian is long, requires the orientation span of the tracking operation of the telescope in ranging process big in this way.In each orientation of telescope
Tracking during, since the optical axis of transmitting laser and receiving telescope is with temperature, the influence of the environmental factors such as machinery, not
Can realize the coaxial of stricti jurise so that telescope in different direction, everywhere transmitting laser with respect to receiving telescope light
The axis depth of parallelism is inconsistent, and micro-displacement occurs for transmitting light path, i.e. under each orientation, transmitting laser drawing circle telescope occurs, to
Aiming of the transmitting laser to satellite/space junk is influenced, the difficulty of ranging is increased.
Invention content
The object of the present invention is to provide the laser ranging emitters that a kind of comprehensive nothing draws circle, utilize PSD displacement sensings
Device, motorized adjustment mirror, drive control device etc. realize that telescope under each orientation, emits laser non-displacement biased, avoids sharp
Circle phenomenon is drawn during ligh-ranging.
The present invention is as follows using technical solution：
A kind of comprehensive nothing draws the laser ranging emitter of circle, including motorized adjustment mirror, spectroscope, and PSD displacement sensors drive
Movement controller, 45 ° of speculums, transmitter-telescope, receiving telescope, detection receive terminal；It is characterized in that, laser is through electric adjustable
Section mirror reflexes to spectroscope, and part light is reflexed to through spectroscope on PSD displacement sensors, and the direction of propagation of light beam is recorded；Thoroughly
Spectroscope is crossed through 45 ° of speculums, transmitter-telescope, which emits, to be detected the return laser beam of target to detection target and be received telescope and connect
It receives, final detected reception end-probing.PSD displacement sensors are connect by drive control device with motorized adjustment mirror, are visited by light
Record transmitting laser optical path is surveyed, the displacement of transmitting laser beam caused by telescope is horizontal or short transverse rotates draws circle by PSD
Displacement sensor detects, drive control device control driving motorized adjustment mirror so that light beam is restored to original PSD displacement sensings
The record position of device changes to reach light beam non-displacement, realizes that the transmitting comprehensive nothing of laser draws the transmission of circle.
Preferably, the motorized adjustment mirror by the first motorized adjustment mirror and the second motorized adjustment microscope group at and being
45 ° of speculums, are adjusted by electro-motor and piezoelectric ceramics, and electro-motor carries out coarse adjustment, and piezoelectric ceramics carries out fine tuning, realizes
The high-precision of the motorized adjustment mirror is adjusted.
Preferably, the spectroscope thickness is 2~3mm, a diameter of 20~60mm of bore, and the reflection power to laser is
2mW, remaining laser is completely through reflectivity is 2mW divided by entrant laser power.
Preferably, the PSD displacement sensors are by the condenser lens, the PSD azimuthal displacements sensor and the PSD
Angle displacement sensor forms.The focusing focal length of the condenser lens be 100~200mm, the PSD azimuthal displacements sensor with
The photosensitive size of the PSD angle displacement sensors is 8mm × 8mm, to the change in displacement detection resolution of hot spot up to 1~2um.
Preferably, the drive control device can receive the change in displacement information that PSD displacement sensors receive light beam, work as light beam
The motorized adjustment mirror is driven to adjust light beam when displacement changes.
Preferably, the transmitter-telescope is by the concavees lens, and the 3rd 45 ° of speculum, the convex lens group is at transmitting is hoped
Remote mirror expands multiple by the focal length of the convex lens divided by the focal length of the concavees lens, and the concavees lens can carry out position in 20mm
Fine tuning realizes that the angle of divergence of transmitter-telescope is adjusted.The 3rd 45 ° of speculum can be controlled, pitch regulation.
Preferably, the motorized adjustment mirror, 45 ° of speculums, transmitter-telescope, receiving telescope and detection receive terminal plating
There are the high-reflecting film or high transmittance film consistent with laser optical band.
The advantageous effect that technical solution provided by the invention is brought is：
(1) present invention provides a kind of laser ranging emitter of comprehensive nothing stroke circle, and a kind of comprehensive nothing of present invention offer is drawn
The laser ranging emitter of circle detects record transmitting laser optical path using PSD displacement sensors, and telescope is horizontal or height side
Circle is drawn to the displacement for emitting laser beam caused by rotation to be detected by PSD displacement sensors, is controlled and is driven by drive control device
Motorized adjustment mirror so that light beam is restored to the record position of original PSD displacement sensors, becomes to reach light beam non-displacement
It is dynamic, realize that the transmitting comprehensive nothing of laser draws the transmission of circle.
(2) be to realize that the high-precision of light path is adjusted, motorized adjustment mirror that the present invention uses adjust driving by electro-motor with
Piezoelectric ceramics is adjusted, and electro-motor carries out coarse adjustment, and piezoelectric ceramics carries out fine tuning, realizes and adjusts angular accuracy up to 1~2urad,
1~2um. of displacement accuracy
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is that a kind of laser ranging emitter of comprehensive nothing stroke circle according to a preferred embodiment of the present invention shows
It is intended to；
Fig. 2 is the laser ranging emitter that a kind of comprehensive nothing draws circle as shown in Figure 1, PSD displacement detectors, motorized adjustment mirror
To the schematic diagram of optical path adjusting；
Fig. 3 is the laser ranging emitter that a kind of comprehensive nothing draws circle as shown in Figure 1, and transmitter-telescope emits laser offset tune
Save schematic diagram.
Fig. 3 is that a kind of laser ranging emitter of comprehensive nothing stroke circle according to a preferred embodiment of the present invention shows
It is intended to；
In figure：
1- motorized adjustment mirrors, 11- the first motorized adjustment mirrors, 12- the second motorized adjustment mirrors；2- spectroscopes, 3-PSD displacement sensings
Device, 31- convex lenses, the first PSD displacement sensors of 32-, the 2nd PSD displacement sensors of 33-, 4- drive control devices, 5-45 ° of reflection
Mirror, the one 45 ° of speculum of 51-, the 2nd 45 ° of speculum of 51-, 6- transmitter-telescopes, 61- concavees lens, the 3rd 45 ° of speculum of 62-
63 convex lenses, 7- receiving telescopes, 8- detections receive terminal.
Specific implementation mode
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail, makes to be better understood when this hair
Bright function, feature.
Emit dress as shown in Figure 1 to draw the laser ranging of circle according to a kind of comprehensive nothing of one embodiment of the present of invention
It sets, including motorized adjustment mirror 1, spectroscope 2, PSD displacement sensors 3,4,45 ° of speculums 5 of drive control device, transmitter-telescope 6,
Receiving telescope 7, detection receive terminal 8.Laser reflexes to spectroscope 2 through motorized adjustment mirror 1, and part light is reflected through spectroscope 2
To PSD displacement sensors 3, remaining is through spectroscope 3 through 45 ° of speculums 5, the transmitting of transmitter-telescope 6 to detection target, detection
The return laser beam of target is received telescope and receives 7, and the final detected terminal 8 that receives detects.When telescope rotates, telescope water
The displacement of transmitting laser beam caused by the rotation of flat or short transverse is drawn circle and is detected by PSD displacement sensors 3, drive control device
4 control driving motorized adjustment mirrors 1 so that light beam is restored to the original detection record position of PSD displacement sensors 3, to reach
Light beam non-displacement changes, and realizes that the transmitting comprehensive nothing of laser draws the transmission of circle.
Again referring to Fig. 2, being PSD displacement detectors 3 shown in FIG. 1, schematic diagram of the motorized adjustment mirror 1 to optical path adjusting.
1. laser optical path is initially transmitted by light path, when telescope carries out tracking rotary rotation to target, light beam draws circle, and light path is at this time
2. offseting by original light path.The orientation of light path, angle offset are detected by PSD displacement detectors 3, and PSD displacement detectors will
The change information detected is transferred to drive control device 4,4 drive control motorized adjustment mirror 1 of drive control device, in motorized adjustment mirror
Under 1 adjusting, 1. light path is restored to light path.Wherein, the motorized adjustment mirror 1 is by 11 and second electricity of the first motorized adjustment mirror
The dynamic mirror 12 that adjusts forms, and is 45 ° of speculums, is adjusted by electro-motor and piezoelectric ceramics, and electro-motor carries out coarse adjustment,
Piezoelectric ceramics carries out fine tuning, realizes that the high-precision of the motorized adjustment mirror 1 is adjusted, degree of regulation is up to 1~2urad；The light splitting
2 thickness of mirror is 2~3mm, a diameter of 20~60mm of bore, and the reflection power to laser is 2mW, and remaining laser is completely through instead
It is 2mW divided by entrant laser power to penetrate rate；The PSD displacement sensors 3 are by the condenser lens 31, PSD azimuthal displacements sensing
Device 32 is formed with PSD angle displacement sensors 33.The focusing focal length of the condenser lens 31 is 100~200mm, the side PSD
The photosensitive size of Bit Shift sensor 31 and PSD angle displacement sensors 32 is 8mm × 8mm, is detected to the change in displacement of hot spot
Resolution ratio is up to 1~2um.
Again referring to Fig. 3, emitting laser offset for transmitter-telescope adjusts schematic diagram.1. laser optical path is initially passed by light path
Defeated, when adjusting laser emission angle, i.e., small variation occurs for the described concavees lens 61, light path, 2. light path becomes light path, offsets by
Initial light path position, at this time by adjusting the 3rd 45 ° of speculum 62 so that light path is restored to light path 1., to ensure angle of divergence tune
The front and back light path consistency of section.Wherein, the transmitter-telescope 6 has the 61, the 3rd 45 ° of speculum 62 of the concavees lens, convex lens
63 compositions, transmitter-telescope, which expands multiple, the focal length of the convex lens divided by the focal length of the concavees lens, the concavees lens 61
Fine position in 20mm can be carried out, realizes that the angle of divergence of transmitter-telescope is adjusted.The 3rd 45 ° of speculum 62 can carry out a left side
The right side, pitch regulation.
The motorized adjustment mirror, 45 ° of speculums, transmitter-telescope, receiving telescope and detection receive terminal and are coated with and swash
Light optical band consistent high-reflecting film or high transmittance film.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes.Made by i.e. every claims applied according to the present invention and description
Simply, equivalent changes and modifications fall within the claims of patent of the present invention.The not detailed description of the present invention is
Routine techniques content.
Claims (7)
1. a kind of comprehensive nothing draws the laser ranging emitter of circle, which is characterized in that the comprehensive nothing draws the Laser Measuring of circle
Include motorized adjustment mirror (1), spectroscope (2), PSD displacement sensors (3), drive control device (4), 45 ° of reflections away from emitter
Mirror (5), transmitter-telescope (6), receiving telescope (7), detection receive terminal (8).
2. a kind of comprehensive nothing according to claim 1 draws the laser ranging emitter of circle, which is characterized in that the electricity
The dynamic mirror (1) that adjusts is made of the first motorized adjustment mirror (11) and the second motorized adjustment mirror (12), and is 45 ° of speculums, by electricity
Dynamic motor is adjusted with piezoelectric ceramics, and electro-motor carries out coarse adjustment, and piezoelectric ceramics carries out fine tuning, realizes the motorized adjustment mirror
High-precision adjust, adjustings angular accuracy be 1~2urad, 1~2um of displacement accuracy.
3. a kind of comprehensive nothing according to claim 1 draws the laser ranging emitter of circle, which is characterized in that described point
Light microscopic (2) thickness is 2~3mm, a diameter of 20~60mm of bore, and the reflection power to laser is 2mW, and remaining laser is completely saturating
It crosses, reflectivity is 2mW divided by entrant laser power.
4. a kind of comprehensive nothing according to claim 1 draws the laser ranging emitter of circle, which is characterized in that described
PSD displacement sensors (3) are sensed by condenser lens (31), the PSD azimuthal displacements sensor (32) with the PSD angle displacements
Device (33) forms, and the focusing focal length of the condenser lens (31) is 100~200mm, the PSD azimuthal displacements sensor (32) with
The photosensitive size of the PSD angle displacement sensors (33) is 8mm × 8mm, to the change in displacement detection resolution of hot spot up to 1
~2um.
5. a kind of comprehensive nothing according to claim 1 draws the laser ranging emitter of circle, which is characterized in that the drive
Movement controller (4) can receive the pattern displacement change information of PSD displacement sensors (3) detection, when pattern displacement becomes
The motorized adjustment mirror (1) is driven to adjust when change.
6. a kind of comprehensive nothing according to claim 1 draws the laser ranging emitter of circle, which is characterized in that the hair
Telescope (6) is penetrated by concavees lens (61), the 3rd 45 ° of speculum (62), convex lens (63) composition, transmitter-telescope expand multiple by
The quotient of the focal length of convex lens (63) divided by the focal length of the concavees lens (61), it is micro- that the concavees lens (61) can carry out position in 20mm
It adjusts, realizes that the angle of divergence of transmitter-telescope is adjusted, the 3rd 45 ° of speculum (62) can be controlled, pitch regulation.
7. a kind of comprehensive nothing according to claim 1 draws the laser ranging emitter of circle, which is characterized in that the electricity
Dynamic to adjust mirror (1), 45 ° of speculums (5), transmitter-telescope (6), receiving telescope (6) and detection receive terminal (7) and are coated with and swash
Light optical band consistent high-reflecting film or high transmittance film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463560.9A CN108646254A (en) | 2018-05-15 | 2018-05-15 | A kind of comprehensive nothing draws the laser ranging emitter of circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463560.9A CN108646254A (en) | 2018-05-15 | 2018-05-15 | A kind of comprehensive nothing draws the laser ranging emitter of circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108646254A true CN108646254A (en) | 2018-10-12 |
Family
ID=63755939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810463560.9A Pending CN108646254A (en) | 2018-05-15 | 2018-05-15 | A kind of comprehensive nothing draws the laser ranging emitter of circle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274842A (en) * | 2000-06-08 | 2000-11-29 | 中国科学院上海光学精密机械研究所 | Method and device for detecting optical far field parameters of optical system |
| CN2423581Y (en) * | 2000-06-08 | 2001-03-14 | 中国科学院上海光学精密机械研究所 | Optical far field parameter detection device of optical system |
| CN103760916A (en) * | 2013-12-23 | 2014-04-30 | 苏州帝尔泰司精密仪器有限公司 | Micro-nanoscale moving and sample operating device of multi-movement platform |
| CN104267406A (en) * | 2014-09-03 | 2015-01-07 | 中国科学院云南天文台 | Diffuse reflection laser ranging and high resolution imaging synchronous measurement photoelectric telescope system |
| CN104393932A (en) * | 2014-11-20 | 2015-03-04 | 中国科学院光电技术研究所 | Real-time correction method for optical axis of telescope of quantum communication ground station |
-
2018
- 2018-05-15 CN CN201810463560.9A patent/CN108646254A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274842A (en) * | 2000-06-08 | 2000-11-29 | 中国科学院上海光学精密机械研究所 | Method and device for detecting optical far field parameters of optical system |
| CN2423581Y (en) * | 2000-06-08 | 2001-03-14 | 中国科学院上海光学精密机械研究所 | Optical far field parameter detection device of optical system |
| CN103760916A (en) * | 2013-12-23 | 2014-04-30 | 苏州帝尔泰司精密仪器有限公司 | Micro-nanoscale moving and sample operating device of multi-movement platform |
| CN104267406A (en) * | 2014-09-03 | 2015-01-07 | 中国科学院云南天文台 | Diffuse reflection laser ranging and high resolution imaging synchronous measurement photoelectric telescope system |
| CN104393932A (en) * | 2014-11-20 | 2015-03-04 | 中国科学院光电技术研究所 | Real-time correction method for optical axis of telescope of quantum communication ground station |
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| Title |
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| 丁仁杰 等: "高自动化卫星激光测距系统研究与设计", 《激光与红外》 * |
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