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A multifunctional laser rangefinder

A laser range finder and multi-functional technology, applied in the field of multi-functional laser range finder, can solve the problems such as the inability to realize the ranging requirement, and achieve the effect of overcoming the single application requirement

Active Publication Date: 2020-11-24
LANHAI PHOTOELECTRICITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual use, different distance measurement products are selected according to different application requirements, but it is impossible to realize the distance measurement requirements of a product for long and short distances

Method used

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  • A multifunctional laser rangefinder
  • A multifunctional laser rangefinder
  • A multifunctional laser rangefinder

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Experimental program
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Effect test

Embodiment

[0016] A multifunctional laser rangefinder, such as Figure 1-Figure 4 As shown, it includes a monocular telescope, two laser emitting systems and two laser receiving systems, the monocular telescope is located between the laser emitting system and the laser receiving system, and the laser emitting system includes a long-distance laser emitting system and a short-distance laser emitting system system, the long-distance laser emission system includes the first laser light source 106, the first emission lens 105, the cemented prism 102, the roof half pentaprism 101, the objective lens 100, and the short-distance laser emission system includes the second laser light source 108 and the second emission lens 107 , the laser receiving system includes a long-distance laser receiving system and a short-distance laser receiving system, and the long-distance laser receiving system includes a receiving lens 109 plated with a 400-1000nm full-band anti-reflection coating, a mirror 110, a narr...

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Abstract

The invention relates to a laser ranging device and discloses a multifunctional laser range finder comprising a monocular telescope, two laser emitting systems and two laser receiving systems. The monocular telescope is arranged between the laser transmitting systems and the laser receiving systems. The laser emitting systems consist of long-range laser emitting systems and short-range laser emitting systems. The laser receiving systems include long-range laser receiving systems and close-range laser receiving systems. On the basis of combination of the laser pulse with the phase, a novel ranging mode of close-range high-precision laser phase ranging and long-range pulsed laser ranging is realized. According to the invention, integration of pulse ranging and phase ranging modules is realized. Because the ranging principles of the pulse ranging and phase ranging modules do not interfere with each other, the used laser light sources have different wavelengths, so that integrated measurement of high-precision short-range measurement and long-range measurement of the product is realized; various application demands can be satisfied by one product; a defect of single ranging applicationdemand of the previous products is overcome; and the multi-functionalization effect of the product is represented.

Description

technical field [0001] The invention relates to a laser distance measuring device, in particular to a multifunctional laser distance measuring instrument. Background technique [0002] The common laser range finder can measure long distance, generally can measure one thousand to two thousand meters, or even farther, and also can measure short distance, generally within tens of meters, and also within a few meters, laser range finder is commonly used The ranging principle includes pulse ranging, phase ranging and triangulation ranging, etc. Pulse ranging uses the propagation time of transmitted light and received light to calculate the detection distance. The phase difference that occurs when propagating in space is used to detect the distance. The triangulation method uses the geometric principle of light to calculate the detection distance according to the position of the light spot reflected back by the measured object on the photosensitive element. In actual use, differe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S17/08G01S7/481
CPCG01S7/481G01S17/08
Inventor 钱向伟刘崇求
Owner LANHAI PHOTOELECTRICITY TECH CO LTD
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