Reflective Axicon Optical Imaging System
An optical imaging system and reflective cone mirror technology, applied in the field of imaging, can solve the problem that the image cannot faithfully reflect the actual situation of the hole wall, and achieve the effect of correcting the influence
Active Publication Date: 2017-11-17
CHONGQING GEOLOGICAL INSTR FACTORY
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Problems solved by technology
[0005] The purpose of the present invention is to provide a reflective axicon optical imaging system, and the purpose is to solve the problem that the image formed by the existing reflective axicon optical imaging system cannot faithfully reflect the actual situation of the hole wall
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[0021] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] A specific embodiment of the reflective cone mirror optical imaging system provided by the present invention is as follows: figure 2 As shown, the system includes:
[0023] Reflective cone mirror 1, camera and outer layer shield, wherein, described reflective cone mirror 1 is fixedly installed on the described outer layer shield, and described camera head is positioned at the top of described reflecti...
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The invention discloses a reflective axicon optical imaging system, which is used to image the entire wall of a borehole, comprising: a reflective axicon, a camera and an outer shield, wherein the reflective axicon is fixedly installed on the On the outer shield, the camera is located above the reflective cone, and the center of the camera is on the same straight line as the center of the reflector, and the mirror surface of the reflector is in line with the reflector The central axis of the axicon is at an angle of 40 degrees. The reflective axicon optical imaging system provided by the present invention can keep the image captured by the camera consistent with the image of the same plane wall of the reflective axicon, and correct the influence of the refractive index of light in the axicon optical imaging system, thereby avoiding the Due to image distortion, it cannot faithfully reflect the actual situation of the hole wall.
Description
technical field [0001] The invention relates to the field of imaging technology, in particular to a reflective axicon optical imaging system. Background technique [0002] The borehole axicon optical imaging system is widely used in hydrology and water conservancy engineering. For example, the JKX-3 drilling full-hole wall imaging system uses an downhole camera to capture images around the hole wall through a conical mirror, uses a computer to control the image acquisition and image processing system, automatically collects images, and performs unfolding and splicing processing to form a borehole Real-time display of continuous images of the columnar profile of the full-hole wall, and continuous acquisition and recording of the full-hole wall images. [0003] The existing axicon optical imaging system is generally composed of three parts, namely a camera, a light source and a reflective axicon. The center of the camera is in the same line as the center of the reflective co...
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IPC IPC(8): G03B17/17G02B7/182G02B5/10H04N5/225
CPCG02B7/1822G03B17/17G02B5/10H04N23/50
Inventor 潘雷
Owner CHONGQING GEOLOGICAL INSTR FACTORY