Uncooled infrared and laser composite circumferential scanning detection device
An uncooled infrared detection device technology, applied in the field of optical detection, can solve the problems of detection blind spots, insufficient precision, large size, etc., and achieve the effect of improving target capture rate, high reliability, and small size
Active Publication Date: 2019-11-15
NANJING UNIV OF SCI & TECH
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Problems solved by technology
[0004] The technical problem solved by the present invention is to provide an uncooled infrared and laser composite circumferential scanning detection device to solve the problems of insufficient precision, large volume and detection blind spots in the traditional single system and fixed direction detection method
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Embodiment
[0029] The uncooled infrared and laser composite circumferential scanning detection device of this embodiment can be used in UAV anti-collision systems, road flow detection systems, industrial production line detection, and automobile autonomous cruise systems.
[0030] In this embodiment, the laser is emitted from the first reflector 5 and the included angle between the optical path and the axial direction of the laser from the third reflector 7 is 60° as a special angle to set the first fixed seat 1, the second fixed seat 2, For the annular gap between the third fixing seats 3, in other cases, other angles can also be adopted according to the particularity of the use environment.
[0031] In order to make the first reflector 5 emit and the angle between the optical path and the axial direction of the laser receiving from the third reflector 7 is 60°, the first fixed seat 1 is a cone, and the second fixed seat 2 is a V-shaped rotating body , the third fixed seat 3 is an inner...
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The invention discloses an uncooled infrared and laser combining circumferential scanning and detecting device comprising a first fixed seat, a second fixed seat, a third fixed seat, a laser emittingsystem, a first reflector, a second reflector, a third reflector, a rotating electric motor, a semitransparent mirror, a laser receiving system and an infrared detector; middle parts of the first fixed seat, the second fixed seat and the third fixed seat are provided with coaxial via holes; a laser emitting light path and a laser receiving light path are parallel to each other, the laser emittingsystem is arranged on one end of the first fixed seat, the first reflector is arranged in the via hole on the one end of the first fixed seat, the rotating electric motor is fixed in the via hole of the second fixed seat, the second reflector and the third reflector are fixedly connected with the rotating electric motor, the second reflector is positioned on the laser emitting light path, the third reflector is positioned on the laser receiving light path, the semitransparent mirror is fixed on the other end of the third fixed seat, the laser receiving system and the infrared detector are fixed on the third fixed seat, and object capture rates and space utilization rates can be improved via the detecting device disclosed in the invention.
Description
technical field [0001] The invention belongs to the field of optical detection, in particular to an uncooled infrared and laser composite circumferential scanning detection device. Background technique [0002] Infrared and laser composite detection technology is an optical multi-mode detection method, which uses two methods of infrared passive detection and laser active ranging to realize infrared discovery and identification of space targets, and uses pulsed laser ranging technology to achieve distance detection of targets. Fusion of infrared and laser detection data results to obtain the orientation and information of the target relative to the system. This technology can be used to detect and identify long-distance moving targets, obtain rich target detection information, and conduct preliminary exploratory research for the future development of infrared and laser composite detection technology for space payloads. [0003] The existing circumferential scanning detection...
Claims
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IPC IPC(8): G05D1/10G01S17/10G01J5/00
CPCG01J5/00G01S17/10G05D1/101
Inventor 张祥金冯涛姚宗辰戴炜张合何勇徐楠
Owner NANJING UNIV OF SCI & TECH