WO2023116919A3 - 一种激光雷达同轴收发系统及激光雷达 - Google Patents

一种激光雷达同轴收发系统及激光雷达 Download PDF

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Publication number
WO2023116919A3
WO2023116919A3 PCT/CN2022/141618 CN2022141618W WO2023116919A3 WO 2023116919 A3 WO2023116919 A3 WO 2023116919A3 CN 2022141618 W CN2022141618 W CN 2022141618W WO 2023116919 A3 WO2023116919 A3 WO 2023116919A3
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WO
WIPO (PCT)
Prior art keywords
light
laser radar
transceiving system
lens
outlet channel
Prior art date
Application number
PCT/CN2022/141618
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English (en)
French (fr)
Other versions
WO2023116919A2 (zh
Inventor
张帆
屈志巍
陈梦
Original Assignee
武汉万集光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉万集光电技术有限公司 filed Critical 武汉万集光电技术有限公司
Publication of WO2023116919A2 publication Critical patent/WO2023116919A2/zh
Publication of WO2023116919A3 publication Critical patent/WO2023116919A3/zh

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Classifications

    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

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

Abstract

一种激光雷达同轴收发系统及激光雷达，激光雷达同轴收发系统包括:壳体（1），壳体（1）内开设出光通道（12）、回光通道（13）、以及至少一端具有开口的消光腔（15），壳体（1）上还开设有与出光通道（12）连通的透窗（16），消光腔（15）通过开口与出光通道（12）连通；透镜（11），透镜（11）倾斜设置于出光通道（12）内，透镜（11）包括透光部（111）和反射部（112），透光部（111）反射的光束通过开口到达消光腔（15）内部，回光通道（12）与反射部光路连通。该结构可有效降低激光雷达同轴收发系统镜筒内部的杂散光。
PCT/CN2022/141618 2021-12-24 2022-12-23 一种激光雷达同轴收发系统及激光雷达 WO2023116919A2 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111604577.X 2021-12-24
CN202111604577.XA CN116338702A (zh) 2021-12-24 2021-12-24 一种激光雷达同轴收发系统及激光雷达

Publications (2)

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WO2023116919A2 WO2023116919A2 (zh) 2023-06-29
WO2023116919A3 true WO2023116919A3 (zh) 2023-08-10

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Country Status (2)

Country Link
CN (1) CN116338702A (zh)
WO (1) WO2023116919A2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118348510B (zh) * 2024-06-18 2024-09-13 珩辉光电测量技术(吉林)有限公司 一种激光雷达收发同轴的装调系统及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330843A (zh) * 2014-07-22 2015-02-04 凯迈（洛阳）环测有限公司 一种激光测云仪光学系统及其分光反射镜
KR20170135415A (ko) * 2016-05-31 2017-12-08 전자부품연구원 송수광 단일렌즈 광학계 구조를 가지는 스캐닝 라이다
CN208672797U (zh) * 2018-08-16 2019-03-29 北醒（北京）光子科技有限公司 一种激光雷达同轴光学系统及激光雷达
CN112327275A (zh) * 2019-01-07 2021-02-05 上海禾赛科技股份有限公司 一种激光雷达
CN112513669A (zh) * 2020-01-03 2021-03-16 深圳市速腾聚创科技有限公司 激光收发模块和激光雷达
CN112816962A (zh) * 2021-04-19 2021-05-18 上海思岚科技有限公司 一种激光雷达同轴光学核心装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330843A (zh) * 2014-07-22 2015-02-04 凯迈（洛阳）环测有限公司 一种激光测云仪光学系统及其分光反射镜
KR20170135415A (ko) * 2016-05-31 2017-12-08 전자부품연구원 송수광 단일렌즈 광학계 구조를 가지는 스캐닝 라이다
CN208672797U (zh) * 2018-08-16 2019-03-29 北醒（北京）光子科技有限公司 一种激光雷达同轴光学系统及激光雷达
CN112327275A (zh) * 2019-01-07 2021-02-05 上海禾赛科技股份有限公司 一种激光雷达
CN112513669A (zh) * 2020-01-03 2021-03-16 深圳市速腾聚创科技有限公司 激光收发模块和激光雷达
CN112816962A (zh) * 2021-04-19 2021-05-18 上海思岚科技有限公司 一种激光雷达同轴光学核心装置

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WO2023116919A2 (zh) 2023-06-29
CN116338702A (zh) 2023-06-27

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