Laser measurement system

A laser measurement system and laser emitting technology, which is applied in radio wave measurement systems, measurement devices, line-of-sight measurement, etc., can solve the problems of external power supply drive, increase in manufacturing cost and material cost, and achieve low power consumption and simple production and assembly , The effect of saving material cost

Pending Publication Date: 2021-08-20
HANGZHOU GREAT STAR IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, most of the dual laser ranging solutions on the market are simple superposition of two laser ranging modules, that is, 1+1 splicing of two laser ranging meters, so that the manufacturing cost and material cost are doubled. And in terms of product energy consumption, there is also a need for two rangefinders, which requires a larger external power drive. It can be understood that the existing technology is still at the stage of using two rangefinders together, not in the true sense dual laser ranging

Method used

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  • Laser measurement system
  • Laser measurement system
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Examples

Experimental program
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Effect test

Embodiment 1

[0021] A laser measuring system such as figure 1 As shown, it includes: a first emitting module 1, which emits laser light; a second emitting module 2, which emits laser light, and has a different emission direction from the first emitting module; a light splitting module 3, which is arranged in the intersection area of ​​the reflected light paths of the two laser beams, and Summarize the light beams; the receiving module 4 is used to receive the light splitting module to summarize the light beams and convert them into electrical signals.

[0022] In this embodiment, only one optical splitting module and receiving module are used to realize the distance measurement of dual lasers, and only one set of control circuit is needed, which saves material cost, reduces power consumption, and makes production and assembly easier.

[0023] In this embodiment, the emitting direction of the first emitting module is perpendicular to the emitting direction of the second emitting module.

...

Embodiment 2

[0026] Such as figure 2 As shown, the difference between this embodiment and the previous embodiment is that the emitting direction of the first emitting module is opposite to that of the second emitting module.

[0027] Wherein the beam splitting module includes a beam splitter, the beam splitter includes a transmission surface, a first semi-reflective surface and a second semi-reflective surface, the reflected light of one of the first emission module and the second emission module passes through the transmission surface and then passes through the first Reflected by the transflective surface, and then transmitted by the second semi-transparent surface, it enters the receiving module, and another beam of reflected light enters the receiving module after being reflected by the second semi-transparent surface. The beam splitter is generally a triangular prism.

Embodiment 3

[0029] Such as image 3 As shown, the difference between this embodiment and the previous embodiment is that it also includes a third emitting module, and the emission direction between the emitting modules is cross-shaped, and the light splitting module includes a four-cone mirror, and the surface of the four-cone mirror is coated with a reflective film, the laser light emitted by the transmitting module is reflected back to the receiving module through different reflective films of the four-cone mirror.

[0030] The substantive effects of the above embodiment include: using one optical splitting module and receiving module to realize multi-laser ranging, only one set of control circuit is needed, material cost is saved, power consumption is reduced, and production and assembly are simpler.

[0031] Through the description of the above embodiments, those skilled in the art can understand that for the convenience and brevity of the description, only the division of the above-m...

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PUM

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Abstract

The invention discloses a laser measurement system, which comprises a first transmitting module for transmitting laser, a second transmitting module, a light splitting module and a receiving module, wherein the second transmitting module is used for transmitting laser and is different from the first transmitting module in emitting directions; the light splitting module is arranged in an intersection area of reflection light paths of the two laser beams and gathers the light beams; and the receiving module receives the light beams gathered by the light splitting module and converts the light beams into electric signals. The system has the substantive effects that only one light splitting module and one receiving module are used for realizing dual-laser distance measurement, and only one set of control circuit is needed, so that the material cost is saved, the power consumption is reduced, and the production and assembly are simpler.

Description

technical field [0001] The invention relates to the field of laser ranging, in particular to a laser measuring system. Background technique [0002] Laser ranging has been widely used in professional and non-professional fields such as construction, decoration, home furnishing, and manufacturing, providing consumers with faster, more convenient and accurate surveying and mapping information acquisition and expansive development as data and information support. For example, the utility model with the publication number CN203535218U discloses a laser ranging optical path device. Most general-purpose laser distance measuring instruments are point-to-point and one-to-one tests. With the subdivision of professional and special application fields, some dual-laser measurement solutions and products have emerged on the market, such as vertical laser distance measurement. Quickly and accurately obtain area and volume data, which facilitates the calculation of coating and paving mate...

Claims

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Application Information

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IPC IPC(8): G01S17/48G01S7/481
CPCG01S17/48G01S7/481
Inventor 王伟毅
Owner HANGZHOU GREAT STAR IND CO LTD
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