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 PDFInfo
- 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
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
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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
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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
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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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
- G01S7/483—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
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- 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
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- 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
Landscapes
- 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***工作状态,或者动态调控***工作状态。
Description
PCT国内申请,说明书已公开。
Claims (45)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
Family
ID=73050561
Family Applications (1)
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 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20220120899A1 (zh) |
CN (1) | CN112204427A (zh) |
WO (1) | WO2020223879A1 (zh) |
Families Citing this family (3)
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*** |
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、***及存储介质 |
Citations (5)
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*** |
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)
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*** |
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2019
- 2019-05-06 CN CN201980008819.3A patent/CN112204427A/zh active Pending
- 2019-05-06 WO PCT/CN2019/085723 patent/WO2020223879A1/zh active Application Filing
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2021
- 2021-11-05 US US17/520,209 patent/US20220120899A1/en active Pending
Patent Citations (5)
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*** |
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 |
Also Published As
Publication number | Publication date |
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US20220120899A1 (en) | 2022-04-21 |
WO2020223879A1 (zh) | 2020-11-12 |
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