Universal laser distance measuring sensor for super-wide temperature range

Abstract

The invention relates to a universal laser distance measuring sensor which is suitable for a super-wide temperature range, comprising a laser emission unit, a laser reception unit, and a microprocessor analysis unit, wherein the laser emission unit is provided with a piece of light-guide fiber to connect with a laser emitter, laser is emitted from the extended light-guide fiber end, the laser emitter is put in a normal temperature environment of -10-40 DEG C, the light-guide fiber emitting end is put at a super-wide range ambient temperature, and the light-guide fiber is bent a plurality of times in its path. According to the invention, the problem of limited applicable temperature of lasers is effectively solved, the application of the laser distance measuring sensor in various ambient temperatures is realized, and the large-range adjustment of laser emitting direction is realized.

Description

technical field [0001] The invention relates to the technical field of optical measurement, in particular to a universal laser ranging sensor applicable to an ultra-wide temperature range. Background technique [0002] The basic structure of the laser distance measuring device is already known, and most of the existing laser distance measuring devices use the phase method for distance measurement. For example, the Chinese Patent Literature Publication No. CN2265525Y discloses a pulsed semiconductor laser distance measuring device, including: a signal transmitting system, a signal receiving system, a microprocessor and a display. The receiving system is composed of a focusing lens, a limiting aperture, an interference filter, and an avalanche photodiode, which are close to the cutting edge of the cutting edge lens. Chinese patent document announcement number CN1034142C discloses a distance measuring device, specifically a visible light measuring beam generated by a semicondu...

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide an ultra-wide temperature range universal laser ranging sensor, which solves the problem of exceeding the continuous working environment temperature of -10°C to 40°C and the intermittent working environment temperature of -10°C to 60°C. Unable to use the laser distance sensor

[0005] Another object of the present invention is to solve the problem of adjusting the laser emission direction in a large range when the sensor has been installed

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