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Multi-line laser radar

A multi-line laser and radar technology, applied in the radio wave measurement system, electromagnetic wave re-radiation, utilization of re-radiation, etc., can solve problems such as high cost and complex structure, reduce power consumption and heat production, and meet the field of view angle and resolution requirements, reducing the effect of device usage

Active Publication Date: 2019-08-16
SUTENG INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the traditional multi-line lidar has multiple laser transmitters and laser receivers, and its structure is complex and costly

Method used

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Embodiment Construction

[0045] 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.

[0046] 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 transmitter 10 for emitting outgoing laser light; a light shaper 25 for expanding the beam coverage of the outgoing laser light; a secondary reflector 11 for shaping the passing light The outgoing laser light of the device 25 is reflected to the primary reflector 12; the primary reflective mirror 12 is used to reflect the outgoing laser light reflected by the secondary reflective mirror 11 to the target object 13...

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Abstract

The invention relates to multi-line laser radar. The multi-line laser comprises a laser emitter, a light shaping device, a secondary mirror, a primary mirror, a receiving lens and a laser detector, wherein the laser emitter is used for emitting outgoing laser; the light shaping device is used for expanding the coverage of the outgoing laser; the secondary mirror is used for reflecting the laser light emitted through the light shaping device onto the primary mirror; the primary mirror is used for reflecting the laser light reflected by the secondary mirror onto a target object in a detection field of view, receiving the reflected laser light and reflecting the reflected laser light to the laser detector; the reflected laser light is laser that returns after the outgoing laser is reflected by the target object; the receiving lens is used for collecting the reflected laser light onto the laser detector; the laser detector is used for receiving the reflected laser light and outputting detection signals; and the laser emitter, the secondary mirror, the primary mirror, the receiving lens and the laser detector synchronously rotate around a central axis. The multi-line laser radar disclosed in the application realizes single-shot and multi-receiving laser detection, and is simple in structure and low in cost.

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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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/481G01S7/487G01S7/493G01S17/88
CPCG01S7/481G01S7/487G01S7/493G01S17/88
Inventor 王超
Owner SUTENG INNOVATION TECH CO LTD
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