CN114184181A - Active target device with infrared tracking and beacon light pointing functions - Google Patents
Active target device with infrared tracking and beacon light pointing functions Download PDFInfo
- Publication number
- CN114184181A CN114184181A CN202111481477.2A CN202111481477A CN114184181A CN 114184181 A CN114184181 A CN 114184181A CN 202111481477 A CN202111481477 A CN 202111481477A CN 114184181 A CN114184181 A CN 114184181A
- Authority
- CN
- China
- Prior art keywords
- light
- reflector
- energy
- beacon
- infrared
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
Abstract
An active target device with infrared tracking and beacon light pointing functions belongs to the technical field of mechanical engineering and aims to solve the technical problem that the prior art cannot emit active beacon light with the farthest distance of 2 meters under an airborne condition; after the infrared tracking unit finds the host, the infrared tracking unit tracks the host, and simultaneously transmits the position information to the beacon light directing unit, and the beacon light directing unit emits beacon light to the host according to the transmitted information. The invention adopts the tracking rotary table with the infrared detection function to realize tracking and realizes the pointing function to the host according to the information of the infrared tracking rotary table.
Description
Technical Field
The invention relates to an active target device with infrared tracking and beacon light pointing functions, and belongs to the field of mechanical engineering.
Background
The infrared tracking and beacon light pointing function device provides five paths of beacon light with the farthest distance of 2 meters and the parallelism superior to 0.3 degree for the host, mainly finishes the capture and stable tracking aiming of the host under the airborne condition, emits the actively pointing beacon light after the host is successfully tracked, and provides a group of five real-time actively pointing beacon lights for the host.
The scheme needs to satisfy the tracking under the all-day condition, and the device needs to have the infrared tracking function, and the transmission integration of infrared tracking of prior art scheme and beacon light can't realize the requirement of beacon light emission furthest interval 2 meters, and beacon light emission power is big, and there is the risk of damaging optical fiber cable along with the long-time work of revolving stage rotation.
Disclosure of Invention
The invention provides an active target device with infrared tracking and beacon light pointing functions, aiming at solving the technical problems that active beacon light with a maximum distance of 2 meters cannot be emitted under an airborne condition, beacon light emission power is high, an optical fiber cable works for a long time along with rotation of a turntable to damage an optical fiber, and multi-optical-axis calibration is not needed.
The technical scheme of the invention is as follows:
the active target device with the infrared tracking and beacon light pointing functions comprises an infrared tracking unit, a beacon light pointing unit, a self-calibration light path, an installation frame and a shock absorber, wherein the infrared tracking unit is fixed under the installation frame; after the infrared tracking unit finds the host, the infrared tracking unit tracks the host, and simultaneously transmits the position information to the beacon light directing unit, and the beacon light directing unit emits beacon light to the host according to the transmitted information.
The infrared tracking unit includes: the infrared detector interprets the host equipment and then sends information to the spherical rotary table, and the spherical rotary table drives the infrared detector to change the posture so as to complete real-time tracking of the host; the calibration light source is arranged on the infrared detector, the optical axis of the calibration light source is parallel to that of the infrared detector, the first refraction reflector and the calibration light source form an angle of 45 degrees, and light beams of the calibration light source penetrate through the spherical rotary table through the refraction reflector to enter the self-calibration light path.
The beacon light pointing unit includes: the light rays sequentially pass through the optical fibers and the collimating mirror group to emit beacon light with a certain beam divergence angle, then pass through the reflector, and then pass through the two-axis rotary table to adjust the angle of the reflector to change the light ray direction, and according to the information of the infrared tracking unit, the beacon light is directed to the host, and the testing reflector is arranged on the back of the reflector and is parallel to the reflector and the two.
The self-calibration optical path comprises: the device comprises a second turning reflector, a first energy spectroscope, a second energy spectroscope, a third turning reflector, a third energy spectroscope, a fourth turning reflector and five PSD detectors, wherein the five PSD detectors respectively correspond to five beacon light direction units; a light beam of the calibration light source enters a self-calibration light path through the first deflection reflector, a part of the light beam enters a fourth energy beam splitter through the third energy beam splitter, and the light beam enters a corresponding test reflector through the reflected light of the fourth energy beam splitter and is reflected on a target surface of the PSD detector; the light beams transmitted by the fourth energy beam splitter pass through a fourth turning reflector, and the light beams reflected by the fourth turning reflector enter the corresponding test reflector on the target surface of the corresponding PSD detector; the light beam of the calibration light source enters a third energy beam splitter of the self-calibration light path through the first folding reflector, the other part of the light beam is transmitted to enter the third folding reflector, is reflected and then enters a second energy beam splitter, and the light beam is partially reflected by the second energy beam splitter and then is irradiated on a corresponding PSD detector through the test reflector; the light beams transmitted by the second energy light-splitting piece enter the first energy light-splitting piece, one part of light passing through the first energy light-splitting piece is reflected to the corresponding testing reflector and is irradiated on the corresponding PSD detector, and the other part of light is transmitted to the second turning reflector and is irradiated on the PSD detector through the corresponding testing reflector.
The invention has the beneficial effects that:
the device effectively solves the problems of insufficient distance between beacon light and the risk caused by rotation of the optical fiber along with the turntable as well as the parallelism error of different beacon light emission optical axes caused by temperature, installation and transportation.
Drawings
Fig. 1 is a schematic diagram of an active target device with infrared tracking and beacon light pointing functions according to the present invention.
Fig. 2 is a schematic diagram of the composition of the infrared tracking unit according to the present invention, and fig. 2(b) is a sectional view taken along the direction a of fig. 2 (a).
Fig. 3 is a schematic diagram of the beacon light direction unit according to the present invention.
Fig. 4(a) is a schematic diagram of the self-calibration optical path composition according to the present invention, and fig. 4(b) is a cross-sectional view taken along the direction of fig. 4 (a).
Detailed Description
The invention is further illustrated with reference to the accompanying drawings:
as shown in fig. 1, the active target device with infrared tracking and beacon light direction functions comprises an infrared tracking unit 1, a beacon light direction unit 2, a self-calibration light path 3, a mounting frame 4 and a damper 5, wherein the infrared tracking unit 1 is fixed under the mounting frame 4, the beacon light direction unit 2 is fixed at the left end and the right end of the mounting frame 4, the distance between the two farthest beacon emitting units is greater than 2m, the self-calibration light path 3 is installed inside the infrared tracking unit 1 and the mounting frame 4, the lower end of the damper 5 is connected with the fixed upper end of the mounting frame 4, and the damper 5 is connected with an airplane. After finding the host, the infrared tracking unit 1 tracks the host, simultaneously transmits the position information of the spherical rotary tables 1-4 to the beacon light directing unit 2, and the beacon light directing unit 2 adjusts the two-axis rotary tables 2-2 to emit beacon light to the host according to the transmitted information.
As shown in fig. 2(a) and (b), the infrared tracking unit 1 includes: the device comprises an infrared detector 1-1, a calibration light source 1-2, a first energy light splitting sheet 1-3 and a spherical rotary table 1-4. The infrared detector 1-1 interprets the host equipment, then sends information to the spherical turntable 1-4, and the spherical turntable 1-4 drives the infrared detector 1-1 to change the posture to complete real-time tracking of the host; the calibration light source 1-2 is arranged on the infrared detector 1-1, the optical axis of the calibration light source 1-2 is parallel to the optical axis of the infrared detector 1-1, the first folding reflector 1-3 and the calibration light source 1-2 form an angle of 45 degrees, and light beams of the calibration light source 1-2 pass through the spherical turntable 1-4 through the folding reflector 1-3 and enter the self-calibration light path 3.
As shown in fig. 3, the beacon light pointing unit 2 includes: the device comprises a reflector 2-1, a two-axis turntable 2-2, a collimating lens group 2-3, an optical fiber 2-4 and a test reflector 2-5. The light rays emit beacon light with a certain beam divergence angle through the optical fibers 2-4 and the collimating lens group 2-3, then the beacon light passes through the reflector (2-1), the angle of the reflector (2-1) is adjusted through the two-axis rotary table (2-2) to change the light ray direction, the beacon light is directed to the host according to the information of the infrared tracking unit 1, and the testing reflector 2-5 is installed on the back of the reflector 2-1 and is parallel to the reflector 2-1.
As shown in fig. 4(a) and (b), the self-calibration optical path 3 includes: the device comprises a second turning reflector 3-1, a first energy spectroscope 3-2, a second energy spectroscope 3-3, a third turning reflector 3-4, a third energy spectroscope 3-5, a fourth energy spectroscope 3-6, a fourth turning reflector 3-7 and five PSD detectors 3-8, wherein the five PSD detectors 3-8 correspond to five beacon light direction units 2 respectively. Light beams of the calibration light source 1-2 enter the self-calibration light path 3 through the first folding reflector 1-2, a part of the light beams enter fourth energy light splitting 3-6 through the third energy light splitting sheet 3-5, and light beams enter the corresponding testing reflector 2-5 through the reflected light of the fourth energy light splitting sheet 3-6 and are reflected to hit on a target surface of the PSD detector 3-8; the light beams transmitted by the fourth energy beam splitter 3-6 pass through a fourth turning reflector 3-7, and the light beams enter a corresponding testing reflector 2-5 through the fourth turning reflector (3-7) to be reflected and then are projected on the target surface of a corresponding PSD detector 3-8; light beams of the calibration light source 1-2 enter a third energy light splitting sheet 3-5 in the self-calibration light path 3 through a first folding reflector 2-1, the other part of the light beams are transmitted to a third folding reflector 3-4, are reflected and then enter a second energy light splitting sheet 3-3, are partially reflected by the second energy light splitting sheet 3-3 and then are irradiated on a corresponding PSD detector 3-8 through a testing reflector 2-5; the light beams transmitted by the second energy light splitter 3-3 enter the first energy light splitter 3-2, one part of the first energy light splitter 3-2 is reflected to the testing reflector 2-5 and then strikes on the corresponding PSD detector 3-8, the other part of the first energy light splitter 3-2 is transmitted to the second turning reflector 3-1 and then strikes on the PSD detector 3-8 through the testing reflector 2-5.
The initial pointing position of the beacon light pointing unit 2 is determined according to the installation and adjustment precision and the tracking precision of the infrared unit 1, the tracking precision of the infrared unit 1 is high, the initial parallelism error of 5 beacon light pointing units 2 mainly determines the pointing error of the beacon light pointing unit 2, the optical axes of the infrared unit 1 and the 5 beacon light pointing units 2 can be installed and adjusted to be high in precision by using a theodolite and a light pipe, and the optical axes of the infrared unit 1 and the 5 beacon light pointing units 2 are parallel to the optical axis of the calibration light source 1-2 after the whole device is installed and adjusted; the calibration light source 1-2 is parallel to the optical axis of the infrared unit 1, the distribution of the device structure is concentrated, the external influence on the calibration light source 1-2 is small, the optical axis of the calibration light source 1-2 can represent the optical axis of the infrared detector 1-1, at the moment, the light emitted by the calibration light source 1-2 passes through the reflector and the light splitting sheet, the calibration light source 1-2 can be arranged on the PSD detectors 3-8 corresponding to the 5 beacon emission units 2, the PSD detectors can detect two angle variation amounts of light spots, and the positions of the light spots on the PSD detectors 3-8 are recorded after the device is installed and adjusted; the device is transported, the parallelism of each optical axis of the beacon pointing unit 2 and the optical axis of the infrared unit 1 can be changed due to temperature change and other factors, beacon pointing errors are generated, before the beacon transmitting unit 2 works, the optical axis position is calibrated by using the calibration light path 3, the calibration light source 1-2 is turned on, light spots appear on the PSD detectors 3-8 corresponding to the beacon transmitting unit 2 at the moment, the light spots are compared with the previously adjusted light spot positions, the test reflecting mirror 2-5 rotates along with the two-axis rotary table 2-2 through adjustment, the light spots are adjusted to the positions of the corresponding PSD detectors 3-8 during adjustment, and the system errors caused by transportation, temperature and the like can be rapidly and accurately eliminated through the method.
Claims (4)
1. The active target device with the infrared tracking and beacon light pointing functions is characterized by comprising an infrared tracking unit (1), a beacon light pointing unit (2), a self-calibration light path (3), an installation frame (4) and a shock absorber (5), wherein the infrared tracking unit (1) is fixed under the installation frame (4), the beacon light pointing unit (2) is fixed at the left end and the right end of the installation frame (4), the self-calibration light path (3) is installed inside the infrared tracking unit (1) and the installation frame (4), the lower end of the shock absorber (5) is connected with the upper end of the installation frame (4), and the shock absorber (5) is connected with an airplane; after the infrared tracking unit (1) finds the host, the host is tracked, meanwhile, the position information is transmitted to the beacon light directing unit (2), and the beacon light directing unit (2) emits beacon light to the host according to the transmitted information.
2. The active target device with infrared tracking and beacon light pointing functionality according to claim 1, characterized by the infrared tracking unit (1) comprising: the system comprises an infrared detector (1-1), a calibration light source (1-2), a first energy light splitting sheet (1-3) and a spherical rotary table (1-4), wherein the infrared detector (1-1) interprets host equipment, then sends information to the spherical rotary table (1-4), and the spherical rotary table (1-4) drives the infrared detector (1-1) to change the posture to complete real-time tracking of the host; the calibration light source (1-2) is arranged on the infrared detector (1-1), the optical axis of the calibration light source (1-2) is parallel to the optical axis of the infrared detector (1-1), the first turning reflector (1-3) and the calibration light source (1-2) form an angle of 45 degrees, and light beams of the calibration light source (1-2) penetrate through the spherical turntable (1-4) through the turning reflector (1-3) and enter the self-calibration light path (3).
3. Active target device with infrared tracking and beacon light pointing functionality according to claim 1, characterized by the beacon light pointing unit (2) comprising: the device comprises a reflector (2-1), a two-axis rotary table (2-2), a collimating lens group (2-3), optical fibers (2-4) and a testing reflector (2-5), wherein light sequentially passes through the optical fibers (2-4) and the collimating lens group (2-3) to emit beacon light with a certain beam divergence angle, then passes through the reflector (2-1), then changes the light direction by adjusting the angle of the reflector (2-1) through the two-axis rotary table (2-2), points the beacon light to a host according to the information of an infrared tracking unit (1), and the testing reflector (2-5) is arranged on the back of the reflector (2-1) and is parallel to the reflector (2-1).
4. The active target device with infrared tracking and beacon light pointing functions as claimed in claim 2, characterized by the self-calibration light path (3) comprising: the device comprises a second turning reflector (3-1), a first energy spectroscope (3-2), a second energy spectroscope (3-3), a third turning reflector (3-4), a third energy spectroscope (3-5), a fourth energy spectroscope (3-6), a fourth turning reflector (3-7) and five PSD detectors (3-8), wherein the five PSD detectors (3-8) respectively correspond to five beacon light pointing units (2); light beams of the calibration light source (1-2) enter a self-calibration light path (3) through a first deflection reflector (1-2), one part of the light beams enter fourth energy light splitting (3-6) through a third energy light splitting sheet (3-5), and light beams enter a corresponding test reflector (2-5) through reflected light of the fourth energy light splitting sheet (3-6) and are reflected on a target surface of a PSD detector (3-8); the light beams transmitted by the fourth energy beam splitter (3-6) pass through a fourth turning reflector (3-7), and the light beams enter corresponding testing reflectors (2-5) through the fourth turning reflector (3-7) to be reflected and are projected on the target surfaces of corresponding PSD detectors (3-8); light beams of the calibration light source (1-2) enter a third energy light splitting sheet (3-5) in the self-calibration light path (3) through a first turning reflector (2-1), the other part of the light beams are transmitted to a third turning reflector (3-4), are reflected and then enter a second energy light splitting sheet (3-3), are partially reflected through the second energy light splitting sheet (3-3), and then are irradiated on a corresponding PSD detector (3-8) through a testing reflector (2-5); the light beams transmitted by the second energy light-splitting piece (3-3) enter the first energy light-splitting piece (3-2), one part of light passing through the first energy light-splitting piece (3-2) is reflected to the corresponding testing reflector (2-5) and then is irradiated on the corresponding PSD detector (3-8), the other part of light is transmitted to the second turning reflector (3-1) and then is irradiated on the PSD detector (3-8) through the corresponding testing reflector (2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481477.2A CN114184181B (en) | 2021-12-06 | 2021-12-06 | Active target device with infrared tracking and beacon light pointing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481477.2A CN114184181B (en) | 2021-12-06 | 2021-12-06 | Active target device with infrared tracking and beacon light pointing functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114184181A true CN114184181A (en) | 2022-03-15 |
| CN114184181B CN114184181B (en) | 2023-08-01 |
Family
ID=80542477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111481477.2A Active CN114184181B (en) | 2021-12-06 | 2021-12-06 | Active target device with infrared tracking and beacon light pointing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114184181B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388713A (en) * | 2022-08-22 | 2022-11-25 | 长春理工大学 | Multifunctional dynamic target detection system |
| CN115508910A (en) * | 2022-09-21 | 2022-12-23 | 长春理工大学 | Image quality detection device, method, equipment and medium for optical system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1447130A (en) * | 2003-03-21 | 2003-10-08 | 孔鹏 | Infrared self direction system |
| US7292319B1 (en) * | 2005-05-24 | 2007-11-06 | Lockheed Martin Corp. | Optical tracking device employing a three-axis gimbal |
| US20090147238A1 (en) * | 2007-03-27 | 2009-06-11 | Markov Vladimir B | Integrated multi-sensor survailance and tracking system |
| CN104246535A (en) * | 2012-09-19 | 2014-12-24 | 法罗技术股份有限公司 | Method for using a handheld appliance to select, lock onto, and track a retroreflector with a laser tracker |
| US20140373369A1 (en) * | 2013-05-10 | 2014-12-25 | Leica Geosystems Ag | Laser tracker with a target sensing unit for target tracking and orientation detection |
| US20190142525A1 (en) * | 2017-11-15 | 2019-05-16 | Stryker Corporation | High Bandwidth And Low Latency Hybrid Communication Techniques For A Navigation System |
-
2021
- 2021-12-06 CN CN202111481477.2A patent/CN114184181B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1447130A (en) * | 2003-03-21 | 2003-10-08 | 孔鹏 | Infrared self direction system |
| US7292319B1 (en) * | 2005-05-24 | 2007-11-06 | Lockheed Martin Corp. | Optical tracking device employing a three-axis gimbal |
| US20090147238A1 (en) * | 2007-03-27 | 2009-06-11 | Markov Vladimir B | Integrated multi-sensor survailance and tracking system |
| CN104246535A (en) * | 2012-09-19 | 2014-12-24 | 法罗技术股份有限公司 | Method for using a handheld appliance to select, lock onto, and track a retroreflector with a laser tracker |
| US20140373369A1 (en) * | 2013-05-10 | 2014-12-25 | Leica Geosystems Ag | Laser tracker with a target sensing unit for target tracking and orientation detection |
| US20190142525A1 (en) * | 2017-11-15 | 2019-05-16 | Stryker Corporation | High Bandwidth And Low Latency Hybrid Communication Techniques For A Navigation System |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388713A (en) * | 2022-08-22 | 2022-11-25 | 长春理工大学 | Multifunctional dynamic target detection system |
| CN115508910A (en) * | 2022-09-21 | 2022-12-23 | 长春理工大学 | Image quality detection device, method, equipment and medium for optical system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114184181B (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114184181B (en) | Active target device with infrared tracking and beacon light pointing functions | |
| CN204044359U (en) | A kind of two-dimensional scan formula laser ranging system | |
| CN105137415B (en) | The apparatus and method that laser range finder field of view of receiver is demarcated and parallelism of optical axis is measured | |
| ES2370471T3 (en) | SYSTEM OF DETECTION OF LIGHT AND DETERMINATION OF DISTANCE. | |
| WO2020156372A1 (en) | Distributed laser radar system and laser ranging method | |
| US7064817B1 (en) | Method to determine and adjust the alignment of the transmitter and receiver fields of view of a LIDAR system | |
| US4917490A (en) | Boresight alignment measuring apparatus and method for electro-optic systems | |
| CN106468523B (en) | A kind of infrared/laser Shared aperture the target simulator of miniaturization | |
| CN109450562B (en) | System and method for testing comprehensive performance of off-axis dual-waveband laser communication | |
| CN101319884B (en) | Multi-light axis consistency test device based on multiband target plate and rotating reflection mirror | |
| CN103575233B (en) | Method for detecting large-caliber large-relative-aperture parabolic reflector surface shape error | |
| CN109945743B (en) | Active illumination type synchronous monitoring common-caliber tracking and aiming emission system and method | |
| CN102519305B (en) | Device for monitoring and aligning infrared multispectral laser | |
| CN114200687B (en) | Optical self-calibration device and method for laser communication system | |
| CN109738880A (en) | A kind of laser radar system and laser ranging system | |
| CN110926761A (en) | Large-caliber collimator for airborne photoelectric aiming system detection and detection method | |
| CN112596230B (en) | Light path system for photoelectric tracking active chromatographic illumination | |
| US8588617B2 (en) | Optical transceiver assembly with transmission-direction control | |
| CN106383354A (en) | Coaxial device without blind area | |
| CN111982467B (en) | Device and method for aligning optical axis of collimator and optical axis of optical-mechanical system in stray light test | |
| CN114266807A (en) | Method and system for detecting device with tracking and pointing functions | |
| CN106767403B (en) | A kind of optical axis position error detection method of more optical axis optical systems | |
| CN114264279B (en) | Method and device for detecting device with tracking and variable beam divergence angle pointing functions | |
| CN102608738B (en) | System for emitting and tracking light beams sharing aperture and light path | |
| CN201177500Y (en) | Multi- light axis consistency test device based on multi- light spectrum target plate and rotating reflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |