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CN114787658A - 一种测距系统以及移动平台 - Google Patents

一种测距系统以及移动平台 Download PDF

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Publication number
CN114787658A
CN114787658A CN201980102895.0A CN201980102895A CN114787658A CN 114787658 A CN114787658 A CN 114787658A CN 201980102895 A CN201980102895 A CN 201980102895A CN 114787658 A CN114787658 A CN 114787658A
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CN
China
Prior art keywords
mirror group
ranging system
laser
ranging
light
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Pending
Application number
CN201980102895.0A
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English (en)
Inventor
胡驰昊
晏蕾
熊伟
黄科
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Shenzhen Yinwang Intelligent Technology Co ltd
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Huawei Technologies Co Ltd
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Publication of CN114787658A publication Critical patent/CN114787658A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/51—Display arrangements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)

Abstract

一种测距系统以及移动平台，测距系统包括激光器(6031)、同轴光学镜组、反射镜组(602)、运动部件以及处理电路。激光器(6031)通过同轴光学镜组向反射镜组(602)发射激光时，运动部件驱动反射镜组(602)转动，使得激光照射至不同角度的被测物体，实现被测物体的测距。运动部件上承载的物体重量轻，运动部件转动快。因此若将该测距系统安装在车辆上，则能够实现对来往车辆的快速测距，达到自动驾驶技术的测距要求。此外，激光的光路和反射光的光路采用同轴设计，这种设计能够减小镜组中反射镜所需的面积，进一步减小测距系统的体积，有利于测距系统的小型化。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN201980102895.0A 2019-12-27 2019-12-27 一种测距系统以及移动平台 Pending CN114787658A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/129045 WO2021128239A1 (zh) 2019-12-27 2019-12-27 一种测距系统以及移动平台

Publications (1)

Publication Number Publication Date
CN114787658A true CN114787658A (zh) 2022-07-22

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US (1) US20220334263A1 (zh)
EP (1) EP4067941A4 (zh)
JP (1) JP2023508459A (zh)
CN (1) CN114787658A (zh)
WO (1) WO2021128239A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN118408473A (zh) * 2024-07-03 2024-07-30 挚感(苏州)光子科技有限公司 一种干涉式激光尺

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EP4067941A4 (en) 2022-12-14
JP2023508459A (ja) 2023-03-02
WO2021128239A1 (zh) 2021-07-01
US20220334263A1 (en) 2022-10-20
EP4067941A1 (en) 2022-10-05

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