CN101226276A - Essence tracing subsystem for laser communication tracking system - Google Patents
Essence tracing subsystem for laser communication tracking system Download PDFInfo
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- CN101226276A CN101226276A CNA2008100502888A CN200810050288A CN101226276A CN 101226276 A CN101226276 A CN 101226276A CN A2008100502888 A CNA2008100502888 A CN A2008100502888A CN 200810050288 A CN200810050288 A CN 200810050288A CN 101226276 A CN101226276 A CN 101226276A
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- galvanometer motor
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Abstract
The invention relates to an accurate track subsystem of free space laser communication system, which comprises a lens vibration motor 1, a scanning mirror 2, a scanning mirror 3, a lens vibration motor 4, a F-theta lens 5, a high frame frequency camera 6 and a control system 7. The invention uses the motor 1, scanning mirror 2, scanning mirror 3, and motor 4 to form a two-dimension lens vibration assembly to realize the motion in two-dimension space, and uses the two-dimension lens vibration assembly and the F-theta lens 5 to form a new fine adjustment mechanism to expand track range, with confirmed track precision and track speed, while the maximum track range can reach +-5 degrees and the cost is reduced 35-40%.
Description
Technical field
The present invention relates to the essence tracing subsystem in the free space laser communication system
Background technology
The tracker of laser communication is divided into thick tracker and two subsystems of smart tracker, and the present invention is exactly the essence tracing subsystem in the laser communication tracker.It is that PZT drives that existing laser communication relies on piezoelectric ceramics with the essence tracing subsystem in the tracker, as shown in Figure 1, this system drives two-dimentional tilting mirror 10 by two-dimentional PZT driver 9, two dimension tilting mirror 10 reflexes to four-quadrant photo detector 11 with incoming laser beam 8, by four-quadrant photo detector 11 light signal is converted to electric signal and give control system 12, give two-dimentional PZT driver 9 by control system 12 output control signals again, adjust the position of two-dimentional tilting mirror 10 by two-dimentional PZT driver 9, thereby realized the essence of lasing light emitter is followed the tracks of; The advantage of Fig. 1 system is that volume is little, precision is high, response speed is fast; Shortcoming is that working range is little, the maximum operating range of present PZT formula high-precision tracking system is 7 ' and, be easy to lose light source, and cost is very high.(list of references: Yue Bing, Yang Wenshu, Fu Cheng give birth the smart tracking test of Fast Steering Mirror in Space Laser Communication system photoelectric project the 29th volume in June, 2002 the 3rd phase)
Summary of the invention
As shown in Figure 2, constituting of the essence tracing subsystem of laser communication tracker provided by the invention: 1 is galvanometer motor, and 2 is scanning mirror, and 3 is scanning mirror, and 4 is galvanometer motor, and 5 is F-θ lens, and 6 is high frame frequency camera, and 7 is control system.The present invention utilizes galvanometer motor 1, scanning mirror 2, scanning mirror 3, galvanometer motor 4 to constitute the 2-D vibration mirror groups, substituted two-dimentional PZT driver 1 among Fig. 1 and two-dimentional tilting mirror 2 and finished in the position of two-dimensional space and move; Be imaged on high frame frequency camera 6 behind the F-θ lens 5 convergent laser bundles 8, substituted four-quadrant photo detector 3 among Fig. 1.Wherein: galvanometer motor 1 drives scanning mirror 2 and is implemented on the directions X scanning to laser beam 8, galvanometer motor 4 drives scanning mirrors 3 and is implemented on the Y direction scanning to laser beam 8,5 pairs of laser beam 8 of F-θ lens focus on the generation hot spot, the facula position that high frame frequency camera 6 detects after focusing on, 7 pairs of facula position information of controller read and handle, the output control signal is returned and is driven that galvanometer motor 1 and galvanometer motor 4 continues to drive scanning mirrors 2 and scanning mirror 3 is worked, thereby has finished the smart tracking section in the Laser Tracking process.
Beneficial effect: the objective of the invention is existing essence tracing subsystem is improved, the essence tracing subsystem that a kind of working range is big, cost is low is provided.Its advantage has been to adopt the two-dimensional scan galvanometer group of technology maturation to replace the two-dimentional tilting mirror 2 that is driven by two-dimentional PZT driver 1, and the 2-D vibration mirror group is formed new micro-adjusting mechanism with F-θ lens 5 again.Essence tracing subsystem of the present invention has enlarged following range when guaranteeing tracking accuracy and tracking velocity, and maximum tracking range can reach ± and 5 °, and make cost can be reduced to original 35%--40%.
Description of drawings
Fig. 1 is the structural representation of existing smart tracker.9 is that two-dimentional PZT driver, 10 is that two-dimentional tilting mirror, 11 is that four-quadrant photo detector, 12 is control system
Fig. 2 is the structural representation of smart tracker of the present invention.1 is galvanometer motor, and 2 is scanning mirror, and 3 is scanning mirror, and 4 is galvanometer motor, and 5 is F-θ lens, and 6 is high frame frequency camera, and 7 is control system, and 8 is incoming laser beam
Embodiment
The structure that accompanying drawing 2 shows is embodiments of the invention.Among the figure, 1 is the TL-8203 galvanometer motor, and 2 is Φ 12 scanning mirrors, and 3 is Φ 12 scanning mirrors, and 4 is the TL-8203 galvanometer motor, and 5 is the F-θ lens of focal length 30mm, and 6 is the high frame frequency camera of M60, and 7 is control system, and 8 is incoming laser beam.
System finishes the laser beam that enters into smart tracker after the thick tracking work, utilize galvanometer motor 1, scanning mirror 2, scanning mirror 3, galvanometer motor 4 constitutes the 2-D vibration mirror group, finish in the position of two-dimensional space and move, the 2-D vibration mirror group is formed new micro-adjusting mechanism with F-θ lens 5 again, be imaged on the high frame frequency camera 6 behind the F-θ lens 5 convergent laser bundles, the facula position that high frame frequency camera 6 detects after focusing on, 7 pairs of facula position information of controller read and handle, the output control signal is returned and is driven that galvanometer motor 1 and galvanometer motor 4 continues to drive scanning mirrors 2 and scanning mirror 3 is worked, thereby has finished the smart tracking section in the Laser Tracking process.
Maximum tracking range of the present invention after tested can reach ± and 5 °, and make cost can be reduced to original 35%--40%.
Claims (1)
1. the essence tracing subsystem in the laser communication tracker is characterized in that, it constitutes (1) galvanometer motor, (2) scanning mirror, (3) scanning mirror, (4) galvanometer motor, (5) F-θ lens, (6) high frame frequency camera, (7) control system; Wherein: galvanometer motor (1) drives scanning mirror (2) and is implemented on the directions X scanning to laser beam (8), galvanometer motor (4) drives scanning mirror (3) and is implemented on the Y direction scanning to laser beam (8), F-θ lens (5) focus on the generation hot spot to laser beam (8), high frame frequency camera (6) detects the facula position after focusing on, controller (7) reads and handles facula position information, the output control signal is returned and is driven that galvanometer motor (1) and galvanometer motor (4) continue drive scanning mirror (2) and scanning mirror (3) comes work, thereby has finished the smart tracking section in the Laser Tracking process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100502888A CN100504498C (en) | 2008-01-22 | 2008-01-22 | Precision tracing subsystem for laser communication tracking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100502888A CN100504498C (en) | 2008-01-22 | 2008-01-22 | Precision tracing subsystem for laser communication tracking system |
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| Publication Number | Publication Date |
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| CN101226276A true CN101226276A (en) | 2008-07-23 |
| CN100504498C CN100504498C (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2008100502888A Expired - Fee Related CN100504498C (en) | 2008-01-22 | 2008-01-22 | Precision tracing subsystem for laser communication tracking system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650153B (en) * | 2009-09-08 | 2011-06-08 | 长春理工大学 | Angular measuring device of flight stance simulation platform |
| CN102222329A (en) * | 2010-03-17 | 2011-10-19 | 微软公司 | Raster scanning for depth detection |
| CN101645741B (en) * | 2009-09-04 | 2012-02-01 | 中国科学院上海技术物理研究所 | Method for on-site self-calibrating visual axis of quantum communication system tracking camera |
| CN104570146A (en) * | 2014-12-23 | 2015-04-29 | 长春理工大学 | Space debris detection imaging and communication system |
| CN104914445A (en) * | 2015-05-29 | 2015-09-16 | 长春理工大学 | Composite scanning system used for laser radar |
| CN109725325A (en) * | 2019-01-10 | 2019-05-07 | 中国科学院微电子研究所 | Laser tracking measurement system and method |
| CN111884720A (en) * | 2020-08-19 | 2020-11-03 | 哈尔滨工业大学 | Rapid scanning method applied to no-load laser communication technology |
| WO2021026766A1 (en) * | 2019-08-13 | 2021-02-18 | 深圳市大疆创新科技有限公司 | Motor rotation speed control method and device for scanning module, and distance measurement device |
| CN114137994A (en) * | 2021-11-12 | 2022-03-04 | 长春理工大学 | Image and communication composite high-precision tracking control method in airborne laser communication system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106405828B (en) * | 2016-11-21 | 2018-12-04 | 同济大学 | The compound coarse-fine coupling scanning means of light beam |
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2008
- 2008-01-22 CN CNB2008100502888A patent/CN100504498C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645741B (en) * | 2009-09-04 | 2012-02-01 | 中国科学院上海技术物理研究所 | Method for on-site self-calibrating visual axis of quantum communication system tracking camera |
| CN101650153B (en) * | 2009-09-08 | 2011-06-08 | 长春理工大学 | Angular measuring device of flight stance simulation platform |
| CN102222329A (en) * | 2010-03-17 | 2011-10-19 | 微软公司 | Raster scanning for depth detection |
| CN102222329B (en) * | 2010-03-17 | 2014-06-18 | 微软公司 | Raster scanning for depth detection |
| US9147253B2 (en) | 2010-03-17 | 2015-09-29 | Microsoft Technology Licensing, Llc | Raster scanning for depth detection |
| CN104570146A (en) * | 2014-12-23 | 2015-04-29 | 长春理工大学 | Space debris detection imaging and communication system |
| CN104914445A (en) * | 2015-05-29 | 2015-09-16 | 长春理工大学 | Composite scanning system used for laser radar |
| CN109725325A (en) * | 2019-01-10 | 2019-05-07 | 中国科学院微电子研究所 | Laser tracking measurement system and method |
| WO2021026766A1 (en) * | 2019-08-13 | 2021-02-18 | 深圳市大疆创新科技有限公司 | Motor rotation speed control method and device for scanning module, and distance measurement device |
| CN111884720A (en) * | 2020-08-19 | 2020-11-03 | 哈尔滨工业大学 | Rapid scanning method applied to no-load laser communication technology |
| CN114137994A (en) * | 2021-11-12 | 2022-03-04 | 长春理工大学 | Image and communication composite high-precision tracking control method in airborne laser communication system |
| CN114137994B (en) * | 2021-11-12 | 2023-08-04 | 长春理工大学 | Image and communication composite high-precision tracking control method in airborne laser communication system |
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| Publication number | Publication date |
|---|---|
| CN100504498C (en) | 2009-06-24 |
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Granted publication date: 20090624 Termination date: 20120122 |