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Ordinary monochromatic light distance-measuring system, method and its uses

A monochromatic light, ordinary technology, applied in the field of ordinary monochromatic light ranging system, can solve the problem of high operation requirements

Inactive Publication Date: 2008-01-09
BEIJING ZEBANON SCI & TECH
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Problems solved by technology

[0012] The purpose of the present invention is to provide an ordinary monochromatic light measuring system that can avoid the above-mentioned shortcomings and deficiencies in view of the above-mentioned shortcomings and deficiencies that exist in the above-mentioned existing laser ranging systems and methods due to excessive requirements on operation. systems and methods

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  • Ordinary monochromatic light distance-measuring system, method and its uses

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Embodiment Construction

[0020] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0021] The present invention relates to a retro-reflective high-reflective material with retro-reflective properties, which is currently widely used on traffic signs. The main mechanism of this material is that the reflective material products use high-refractive index glass beads with aluminum coating on the rear half surface as a retroreflector, which has extremely strong retroreflective performance and can directly reflect 85% of the light back to the light source.

[0022] The general monochromatic light ranging system provided by the present invention can be applied in various fields, and is not limited to the fields described in detail in the following embodiments. The specific implementation of the present invention will be described in detail below by selecting a typical field for the ordinary monochromatic light rangi...

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Abstract

The invention provides a common unicolor light distance measuring system and method, and the system comprises light emitter emitting light signal, measured object coated with high reflectivity material with regression and reflection properties, photoelectric device receiving reflected light signal, and a circuit system measuring light path length by light transmission time, where the light emitter converts electric signal provided by the circuit system into light signal and reflects the light signal to the measured object; the measured object makes the light signal mainly return along the original path; the photoelectric device converts the received reflected light signal into electric signal; the circuit system calculates light path distance by measuring the difference of time between transmitting light signal from the light emitter and receiving light signal by the photoelectric device. And it largely improves distance measurement accuracy. And it can reduce system implementation cost and largely improve its performance.

Description

technical field [0001] The invention relates to a system and method for distance measurement with ordinary monochromatic light, in particular to the application of the system and method in measuring the height of hooks in oil drilling engineering. Background technique [0002] In systems that use light waves as signals for distance measurement, the widely used distance measurement method is mainly the laser distance measurement method. Laser ranging uses the characteristics of laser monochromaticity, good coherence, and strong directionality to achieve high-precision measurement of distance. According to different measurement methods, laser range finders can usually be divided into two types of measurement: pulse type and continuous wave phase type. [0003] The principle of pulsed laser ranging is similar to that of radar ranging. The rangefinder emits a laser signal to the target, and it will be reflected back when it hits the target. Since the propagation speed of light ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/08
Inventor 李代甫
Owner BEIJING ZEBANON SCI & TECH
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