CN112219130A - 一种测距装置 - Google Patents

一种测距装置 Download PDF

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CN112219130A
CN112219130A CN201980005208.3A CN201980005208A CN112219130A CN 112219130 A CN112219130 A CN 112219130A CN 201980005208 A CN201980005208 A CN 201980005208A CN 112219130 A CN112219130 A CN 112219130A
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light
region
light source
detector
path changing
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CN112219130B (zh
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董帅
洪小平
黄淮
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SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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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
    • 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
    • G01S17/18—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
    • 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
    • G01S17/02—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
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/484—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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
    • H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
    • H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
    • H01L31/102—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier
    • H01L31/107—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier working in avalanche mode, e.g. avalanche photodiodes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

一种距离探测装置，包括：光源(1)，用于发射光脉冲(2)；收发元件(4)，用于准直光源(1)发射的光脉冲(2)，且会聚光脉冲(2)经探测物反射的回光(5)的至少部分；探测器(6)，与光源(1)放置于收发元件(4)的同一侧，用于接收收发元件(4)所会聚的回光(5)的至少部分，以及将所接收的回光(5)转换为电信号，电信号用于测量探测物与距离探测装置的距离；及光路改变元件(3)，与光源(1)和探测器(6)放置于收发元件(4)的同一侧，用于将光脉冲(2)的出射光路和探测器(6)的接收光路合并；其中，光路改变元件(3)包括第一区域，第一区域用于将来自光源(1)的光脉冲(2)的部分透射或者反射至收发元件(4)，第一区域对光脉冲(2)的接收立体角为探测器(6)对回光(5)的接收立体角的20％‑40％。

Description

PCT国内申请，说明书已公开。

Claims (36)

  1. PCT国内申请，权利要求书已公开。
CN201980005208.3A 2019-01-07 2019-01-07 一种测距装置 Active CN112219130B (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114779267A (zh) * 2022-04-19 2022-07-22 湖南阿秒光学科技有限公司 激光测距***以及激光测距装置
CN115825916A (zh) * 2021-12-03 2023-03-21 深圳市速腾聚创科技有限公司 一种光学接收装置及光学传感装置
CN116009009A (zh) * 2022-05-26 2023-04-25 湖南阿秒光学科技有限公司 Tof激光测量***、激光发射和接收模组以及激光雷达
CN116320746A (zh) * 2023-05-16 2023-06-23 武汉昊一源科技有限公司 Tof对焦装置、对焦方法及拍摄设备

Citations (8)

* 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***
US20100321669A1 (en) * 2009-06-22 2010-12-23 Nikon Vision Co., Ltd. Range finder
US20120113409A1 (en) * 2009-06-22 2012-05-10 Nikon Vision Co., Ltd. Range finder
CN103954955A (zh) * 2014-04-25 2014-07-30 南京先进激光技术研究院 合成孔径激光成像雷达收发同轴光学天线
CN105116557A (zh) * 2015-09-18 2015-12-02 王治霞 分光片及其激光共轴测距仪和应用
CN107290733A (zh) * 2017-06-12 2017-10-24 北京理工大学 收发天线一体化的激光雷达共轴光学***
CN208270762U (zh) * 2018-06-26 2018-12-21 天津杰泰高科传感技术有限公司 激光雷达探测***及激光雷达
CN210015229U (zh) * 2019-01-07 2020-02-04 深圳市大疆创新科技有限公司 一种距离探测装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205067877U (zh) * 2015-09-18 2016-03-02 王治霞 分光片及其激光共轴测距仪

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100321669A1 (en) * 2009-06-22 2010-12-23 Nikon Vision Co., Ltd. Range finder
US20120113409A1 (en) * 2009-06-22 2012-05-10 Nikon Vision Co., Ltd. Range finder
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***
CN103954955A (zh) * 2014-04-25 2014-07-30 南京先进激光技术研究院 合成孔径激光成像雷达收发同轴光学天线
CN105116557A (zh) * 2015-09-18 2015-12-02 王治霞 分光片及其激光共轴测距仪和应用
CN107290733A (zh) * 2017-06-12 2017-10-24 北京理工大学 收发天线一体化的激光雷达共轴光学***
CN208270762U (zh) * 2018-06-26 2018-12-21 天津杰泰高科传感技术有限公司 激光雷达探测***及激光雷达
CN210015229U (zh) * 2019-01-07 2020-02-04 深圳市大疆创新科技有限公司 一种距离探测装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115825916A (zh) * 2021-12-03 2023-03-21 深圳市速腾聚创科技有限公司 一种光学接收装置及光学传感装置
CN115825916B (zh) * 2021-12-03 2024-02-06 深圳市速腾聚创科技有限公司 一种光学接收装置及光学传感装置
CN114779267A (zh) * 2022-04-19 2022-07-22 湖南阿秒光学科技有限公司 激光测距***以及激光测距装置
CN114779267B (zh) * 2022-04-19 2023-03-10 湖南阿秒光学科技有限公司 激光测距***以及激光测距装置
CN116009009A (zh) * 2022-05-26 2023-04-25 湖南阿秒光学科技有限公司 Tof激光测量***、激光发射和接收模组以及激光雷达
CN116009009B (zh) * 2022-05-26 2023-06-30 湖南阿秒光学科技有限公司 Tof激光测量***、激光发射和接收模组以及激光雷达
CN116320746A (zh) * 2023-05-16 2023-06-23 武汉昊一源科技有限公司 Tof对焦装置、对焦方法及拍摄设备

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CN112219130B (zh) 2024-03-15
US20210341610A1 (en) 2021-11-04

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