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Multi-line laser radar

A multi-line laser and radar technology, used in radio wave measurement systems, re-radiation of electromagnetic waves, utilization of re-radiation, etc., can solve problems such as high cost and complex structure

Active Publication Date: 2019-08-23
SUTENG INNOVATION TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the traditional multi-line lidar has the problems of complex structure and high cost

Method used

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Embodiment Construction

[0039] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0040] In one embodiment, figure 1 Schematic diagram of a multi-line lidar provided for one embodiment. Such as figure 1 As shown, the multi-line laser radar 1 includes: a laser emitter device 10, including at least two laser emitters 101, for emitting multiple paths of outgoing laser light; a secondary reflector 11, for reflecting the outgoing laser light to a vibrating mirror 12 The vibrating mirror 12 is used to receive the outgoing laser light reflected by the secondary reflector 11, and reflects the outgoing laser light to the detection field of view for reciprocating scanning; the ...

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Abstract

The invention relates to a multi-line laser radar. The multi-line laser radar comprises a laser emitting device which comprises at least two laser emitters and is used for emitting multiple paths of emergent laser light, a minor reflector used for dividing the emergent laser light into multiple beams of laser light and reflecting the multiple beams of laser light to a galvanometer at a specific angle, the galvanometer used for reflecting the emergent laser light reflected by the minor reflector again to a target object in a detection field of view, a main reflector used for receiving the reflected laser light and reflecting the reflected laser light to a laser detection device, a receiving lens used for collecting the reflected laser light to the laser detection device, and the laser detection device used for receiving the reflected laser light and outputting a detection signal, wherein the reflected laser light is the laser light returned after reflection of the target object; and thegalvanometer and the main reflector rotate synchronously around a central axis. According to the multi-line laser radar, the two-dimensional space scanning detection of the multi-line laser radar canbe realized by only rotating the galvanometer and the main reflector, so that the usage amount of devices is greatly reduced, the structure of the multi-line laser radar is simplified, and the manufacturing cost of a multi-line laser is further reduced.

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 the multi-line laser radar structure often includes multiple laser transmitters and multiple corresponding laser receivers. Among them, multiple laser emitters are arranged vertically to generate multi...

Claims

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Application Information

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IPC IPC(8): G01S17/02G01S7/481
CPCG01S7/481G01S17/02
Inventor 王超
Owner SUTENG INNOVATION TECH CO LTD
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