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 PDFInfo
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- 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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- 238000004146 energy storage Methods 0.000 claims abstract description 191
- 239000003990 capacitor Substances 0.000 claims abstract description 143
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- 230000005540 biological transmission Effects 0.000 claims description 24
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- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract description 13
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- 208000033999 Device damage Diseases 0.000 description 1
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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
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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)
- PCT国内申请,权利要求书已公开。
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PCT/CN2020/070500 WO2021138770A1 (zh) | 2020-01-06 | 2020-01-06 | 一种光发射装置及测距设备、移动平台 |
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WO (1) | WO2021138770A1 (zh) |
Citations (7)
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)
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 |
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2020
- 2020-01-06 CN CN202080030162.3A patent/CN113728243A/zh active Pending
- 2020-01-06 WO PCT/CN2020/070500 patent/WO2021138770A1/zh active Application Filing
Patent Citations (7)
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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