CN113728243A - 一种光发射装置及测距设备、移动平台 - Google Patents

一种光发射装置及测距设备、移动平台 Download PDF

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Publication number
CN113728243A
CN113728243A CN202080030162.3A CN202080030162A CN113728243A CN 113728243 A CN113728243 A CN 113728243A CN 202080030162 A CN202080030162 A CN 202080030162A CN 113728243 A CN113728243 A CN 113728243A
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module
period
energy storage
emitting device
light
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梅雄泽
张朝
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SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Semiconductor Lasers (AREA)

Abstract

一种光发射装置及其控制方法,光发射装置包括至少一组发射组件,发射组件包括光源(D3)和储能模块(C1),发射组件用于周期性出射光脉冲序列,在一个周期内包括工作时段和等待时段,其中,工作时段包括第一时段和第二时段,在第一时段内给储能模块(C1)储能;在第二时段内控制储能模块(C1)给光源(D3)供电,其中,第二时段在第一时段之后,且第二时段和第一时段之间的间隔小于等待时段的时长;避免高温下电容电压漏电问题,每线电压可分别调整且满足安规要求,适用于多线激光发射的产品;其能够避免电容电压高温漏电问题;多线激光器功率单独可调,均能符合人眼安全的限制,简化电路,降低硬件成本。

Description

PCT国内申请,说明书已公开。

Claims (59)

  1. PCT国内申请,权利要求书已公开。
CN202080030162.3A 2020-01-06 2020-01-06 一种光发射装置及测距设备、移动平台 Pending CN113728243A (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB878348A (en) * 1957-03-01 1961-09-27 Beckman Instruments Inc Signal comparison circuit
US20110284507A1 (en) * 2010-05-18 2011-11-24 Institut National D'optique Method for stablizing an output of a pulsed laser system using pulse shaping
US20170328993A1 (en) * 2016-05-10 2017-11-16 Texas Instruments Incorporated Methods and apparatus for lidar operation with sequencing of pulses
US20180267152A1 (en) * 2016-12-30 2018-09-20 Panosense, Inc. Lidar system
US20180372873A1 (en) * 2017-06-21 2018-12-27 Analog Value Ltd. LIDAR system
CN109870703A (zh) * 2019-03-11 2019-06-11 西安知微传感技术有限公司 一种激光脉冲能量调节装置、方法及多能级脉冲激光器
CN110146868A (zh) * 2019-05-31 2019-08-20 深圳市速腾聚创科技有限公司 激光雷达系统和激光雷达回波信号的确定方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100477477C (zh) * 2005-12-08 2009-04-08 西安电子科技大学 脉冲激光器高频模式供电装置
US7970031B2 (en) * 2009-11-11 2011-06-28 Flir Systems, Inc. Q-switched laser with passive discharge assembly
CN109490910A (zh) * 2018-10-25 2019-03-19 西安三科数码光电有限责任公司 汽车防撞用激光测距传感器
CN109391006A (zh) * 2018-11-14 2019-02-26 深圳市速腾聚创科技有限公司 供能电路以及激光雷达装置
CN110120667A (zh) * 2019-05-07 2019-08-13 华北电力大学(保定) 用于降低能源代价的可再生能源与传统能源的分配方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB878348A (en) * 1957-03-01 1961-09-27 Beckman Instruments Inc Signal comparison circuit
US20110284507A1 (en) * 2010-05-18 2011-11-24 Institut National D'optique Method for stablizing an output of a pulsed laser system using pulse shaping
US20170328993A1 (en) * 2016-05-10 2017-11-16 Texas Instruments Incorporated Methods and apparatus for lidar operation with sequencing of pulses
US20180267152A1 (en) * 2016-12-30 2018-09-20 Panosense, Inc. Lidar system
US20180372873A1 (en) * 2017-06-21 2018-12-27 Analog Value Ltd. LIDAR system
CN109870703A (zh) * 2019-03-11 2019-06-11 西安知微传感技术有限公司 一种激光脉冲能量调节装置、方法及多能级脉冲激光器
CN110146868A (zh) * 2019-05-31 2019-08-20 深圳市速腾聚创科技有限公司 激光雷达系统和激光雷达回波信号的确定方法

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