CN112204427A - 一种测距装置及移动平台 - Google Patents

一种测距装置及移动平台 Download PDF

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Publication number
CN112204427A
CN112204427A CN201980008819.3A CN201980008819A CN112204427A CN 112204427 A CN112204427 A CN 112204427A CN 201980008819 A CN201980008819 A CN 201980008819A CN 112204427 A CN112204427 A CN 112204427A
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CN
China
Prior art keywords
light
power
light emitting
reflecting surface
laser diode
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Pending
Application number
CN201980008819.3A
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English (en)
Inventor
颜悦
刘祥
董帅
黄淮
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SZ DJI Technology Co Ltd
SZ DJI Innovations Technology Co Ltd
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SZ DJI Technology Co Ltd
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Filing date
Publication date
Application filed by SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Publication of CN112204427A publication Critical patent/CN112204427A/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
    • G01S7/4814—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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • 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
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4861—Circuits for detection, sampling, integration or read-out
    • 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
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4286—Optical modules with optical power monitoring
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers

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

Abstract

一种测距装置，包括：光发射装置(1,2,3)、导光装置、第一光接收装置和第二光接收装置，光发射装置(1,2,3)用于出射至少一路光脉冲序列；第二光接收装置用于接收经物体反射的光脉冲信号，以及基于接收的光脉冲信号确定物体与测距装置的距离；其中，光发射装置(1,2,3)发出的部分辐射功率入射至导光装置，导光装置将部分辐射功率传导至第一光接收装置，导光装置具有光入射面(6)、反射面(4,5)和光出射面(7)，反射面(4,5)包括第一反射面(4)和第二反射面(5)，且第一反射面(4)和第二反射面(5)中至少一个反射面包括曲面形状，第一光接收装置用于监测光发射装置的输出光功率。该测距装置能够有效监测激光二极管功率变化，用以监控系统工作状态，或者动态调控系统工作状态。

Description

PCT国内申请，说明书已公开。

Claims (45)

  1. PCT国内申请，权利要求书已公开。
CN201980008819.3A 2019-05-06 2019-05-06 一种测距装置及移动平台 Pending CN112204427A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/085723 WO2020223879A1 (zh) 2019-05-06 2019-05-06 一种测距装置及移动平台

Publications (1)

Publication Number Publication Date
CN112204427A true CN112204427A (zh) 2021-01-08

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Application Number Title Priority Date Filing Date
CN201980008819.3A Pending CN112204427A (zh) 2019-05-06 2019-05-06 一种测距装置及移动平台

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US (1) US20220120899A1 (zh)
CN (1) CN112204427A (zh)
WO (1) WO2020223879A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218920B (zh) * 2017-08-04 2020-07-10 美国西北仪器公司 距离测定方法及距离测定系统
EP4350406A1 (en) * 2022-10-05 2024-04-10 EFFECT Photonics B.V. Reflective optical coupling and beam profile shaping unit, opto-electronic assembly and opto-electronic system comprising the same
CN117283171B (zh) * 2023-11-02 2024-05-14 成都储翰科技股份有限公司 一种bosa结构焊接定位监测方法、系统及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101813778A (zh) * 2010-04-20 2010-08-25 长春艾克思科技有限责任公司 汽车多线激光雷达系统
CN103941262A (zh) * 2014-04-01 2014-07-23 中国科学院合肥物质科学研究院 一种脉冲激光测距装置及采用该装置的脉冲激光测距方法
CN105807284A (zh) * 2016-04-29 2016-07-27 北醒（北京）光子科技有限公司 光学扫描测距装置
JP2016191630A (ja) * 2015-03-31 2016-11-10 株式会社トプコン 光波距離計
CN108781116A (zh) * 2017-11-30 2018-11-09 深圳市大疆创新科技有限公司 一种功率调整方法及激光测量装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101806896B (zh) * 2010-01-25 2013-02-06 华北电力大学（保定） 相位法激光测距装置
CN106970392A (zh) * 2017-05-31 2017-07-21 南京先进激光技术研究院 高灵敏度气体污染探测激光雷达系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101813778A (zh) * 2010-04-20 2010-08-25 长春艾克思科技有限责任公司 汽车多线激光雷达系统
CN103941262A (zh) * 2014-04-01 2014-07-23 中国科学院合肥物质科学研究院 一种脉冲激光测距装置及采用该装置的脉冲激光测距方法
JP2016191630A (ja) * 2015-03-31 2016-11-10 株式会社トプコン 光波距離計
CN105807284A (zh) * 2016-04-29 2016-07-27 北醒（北京）光子科技有限公司 光学扫描测距装置
CN108781116A (zh) * 2017-11-30 2018-11-09 深圳市大疆创新科技有限公司 一种功率调整方法及激光测量装置

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WO2020223879A1 (zh) 2020-11-12
US20220120899A1 (en) 2022-04-21

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