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CN111837054A - 一种激光测距装置及移动设备 - Google Patents

一种激光测距装置及移动设备 Download PDF

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Publication number
CN111837054A
CN111837054A CN201880010939.2A CN201880010939A CN111837054A CN 111837054 A CN111837054 A CN 111837054A CN 201880010939 A CN201880010939 A CN 201880010939A CN 111837054 A CN111837054 A CN 111837054A
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China
Prior art keywords
module
laser ranging
ranging device
laser
optical
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Pending
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CN201880010939.2A
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English (en)
Inventor
刘祥
黄淮
洪小平
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SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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Publication of CN111837054A publication Critical patent/CN111837054A/zh
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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
    • 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
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • 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
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • 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
    • 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
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • 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

Landscapes

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

Abstract

一种激光测距装置及移动设备，该激光测距装置包括：发射模块(11)、包括准直透镜(12)和会聚透镜(13)的光学模块、探测模块和驱动系统，发射模块(11)用于发射激光脉冲序列，以探测待测物体；准直透镜(13)位于发射模块(11)的发射光路上，用于将发射模块(11)发射的激光脉冲序列准直后从激光测距装置出射，会聚透镜(13)用于会聚待测物体反射的回光的至少一部分；探测模块用于接收会聚透镜(13)所会聚的光束并转换为电信号，以及根据电信号确定待测物体与激光测距装置的距离；驱动系统(18)用于驱动光学模块在与激光脉冲序列的光轴垂直的平面内和/或沿光轴方向移动。

Description

PCT国内申请，说明书已公开。

Claims (31)

  1. PCT国内申请，权利要求书已公开。
CN201880010939.2A 2018-09-28 2018-09-28 一种激光测距装置及移动设备 Pending CN111837054A (zh)

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PCT/CN2018/108451 WO2020062080A1 (zh) 2018-09-28 2018-09-28 一种激光测距装置及移动设备

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CN111837054A true CN111837054A (zh) 2020-10-27

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US (1) US20210239801A1 (zh)
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WO (1) WO2020062080A1 (zh)

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CN113093207A (zh) * 2021-03-31 2021-07-09 维沃移动通信有限公司 移动终端及测距信息的获取方法
CN114413758A (zh) * 2022-01-24 2022-04-29 中国工程物理研究院机械制造工艺研究所 一种激光透射定位精度检测组件
CN116578034A (zh) * 2023-07-14 2023-08-11 西安炬光科技股份有限公司 电控模组、激光医疗设备和激光光束输出控制方法
CN118011427A (zh) * 2024-02-20 2024-05-10 常州市双爱家私股份有限公司 一种安全光栅装置及电动升降桌

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Publication number Priority date Publication date Assignee Title
CN113093207A (zh) * 2021-03-31 2021-07-09 维沃移动通信有限公司 移动终端及测距信息的获取方法
CN114413758A (zh) * 2022-01-24 2022-04-29 中国工程物理研究院机械制造工艺研究所 一种激光透射定位精度检测组件
CN116578034A (zh) * 2023-07-14 2023-08-11 西安炬光科技股份有限公司 电控模组、激光医疗设备和激光光束输出控制方法
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CN118011427A (zh) * 2024-02-20 2024-05-10 常州市双爱家私股份有限公司 一种安全光栅装置及电动升降桌

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