A scanning mechanism optical path debugging device and debugging method
A scanning mechanism and optical path technology, applied in optics, optical components, instruments, etc., can solve the problems of limited precision of machined parts and difficulty in guaranteeing the verticality requirements of the photoelectric radar scanning mechanism.
Active Publication Date: 2020-05-05
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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Problems solved by technology
[0003] At present, the photoelectric radar scanning mechanism only uses the dimensional accuracy of the mechanical parts to ensure that the verticality of the infrared and laser light paths and the azimuth axis of the scanning mechanism meets the requirements; but due to the limited accuracy of the machined parts, it is difficult to guarantee the verticality of the photoelectric radar scanning mechanism Requirements, it is necessary to design corresponding installation and adjustment devices and methods to meet the optical path design requirements in the installation process of the photoelectric radar scanning mechanism
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[0025] Embodiments of the present invention are described in detail below, and the embodiments are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0026] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.
[0027] In addition,...
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The invention provides a scanning mechanism optical path debugging device and a debugging method. The device comprises an installation support, a debugging rotation bench, a clamping mechanism, a first autocollimator A, a second autocollimator B, a third autocollimator C, a flat crystal reflector, a dual-channel rotary transformer reader and a reflector. The device is characterized in that the rotating shaft of the rotation bench is vertical to the optical axes of the first autocollimator A and the second autocollimator B; the optical axis of the third autocollimator C passes through the reflector and then is parallel to the rotating shaft of the rotation bench so as to form an orthogonal optical reference taking a rotated rotation bench axis as a reference; the debugging rotation bench surface is provided with an angle adjusting mechanism so that angle fine tuning of two orthogonal directions can be realized; and the debugging rotation bench is provided with the dual-channel rotary transformer reader so as to realize the accurate measurement of a rotation angle. By using the debugging device and the debugging method, the positions and the angles of a scanning mechanism spectroscope and a fixed reflector can be adjusted respectively, the verticality of an infrared optical path and a scanning mechanism azimuth axis is ensured to be less than or equal to 10'', and the verticalityof a laser optical path and the scanning mechanism azimuth axis is ensured to be less than or equal to 10''.
Description
technical field [0001] The invention belongs to the technical field of optical machine assembly and adjustment, and specifically relates to an optical path debugging device and a debugging method of a scanning mechanism. The invention can be used for the assembly and adjustment of the scanning mechanism with infrared and laser refraction light paths. Background technique [0002] The photoelectric radar scanning mechanism is an important part of the photoelectric radar. The scanning mechanism includes a scanning mirror, an infrared laser beam splitter, and a fixed mirror. The scanning mirror can scan in the direction of azimuth and elevation, receive infrared and laser information, and then separate the infrared and laser through the infrared laser beam splitter, and enter the infrared system and laser optical system respectively. It is required that the perpendicularity between the infrared optical path and the azimuth axis of the scanning mechanism is ≤10", and the perpen...
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IPC IPC(8): G02B27/62
CPCG02B27/62
Inventor 屈亮远卓申亚男
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC