Multi-line lidar

A multi-line laser and laser technology, used in radio wave measurement systems, instruments, measurement devices, etc., can solve problems such as high cost and complex structure, reduce power consumption and heat generation, and meet the requirements of field of view and resolution. , the effect of expanding the spot diameter
CN110133620BActive Publication Date: 2021-10-19SUTENG INNOVATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SUTENG INNOVATION TECH CO LTD
Publication Date
2021-10-19

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Abstract

The invention relates to a multi-line laser radar. Including: a laser transmitter, used to emit outgoing laser light; a light shaper, used to expand the coverage of the outgoing laser light; a secondary reflector, used to reflect the outgoing laser light passing through the light shaper to the main reflector; the main reflector The mirror is used to reflect the laser light reflected by the secondary reflection mirror to the target object in the detection field of view, and is also used to receive the reflected laser light and reflect the reflected laser light to the laser detector; wherein the reflected laser light is the The outgoing laser is reflected by the target object and returned; the receiving lens is used to gather the reflected laser to the laser detector. The laser detector is used to receive reflected laser light and output detection signals; wherein, the laser transmitter, secondary reflector, primary reflector, receiving lens, and laser detector all rotate synchronously around the central axis. The multi-line laser radar proposed in the present application realizes laser detection with single emission and multi-receipt, and has a simple structure and low cost.
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Description

technical field

[0001] The present application relates to the technical field of laser radar, in particular to a multi-line laser radar. Background technique

[0002] With the development and application of optical technology, many laser radar systems that emit laser beams to detect the position, speed, attitude, orientation, shape and other characteristic quantities of target objects have appeared one after another, and the laser radar system can be widely used in various The field of measurement, for example, the field of navigation and positioning technology, the field of engineering ranging technology, etc.

[0003] At present, the laser radar system mainly uses multi-line laser radar to realize the feature scanning and measurement of target objects in all directions, and in the multi-line laser radar structure, it often includes multiple laser emitters and multiple corresponding laser detectors. Among them, multiple laser emitters are arranged vertically to generate mu...

Claims

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