WO2019072000A1 - 无人驾驶光电软驱动恒流电路、集成电路与控制系统 - Google Patents
无人驾驶光电软驱动恒流电路、集成电路与控制系统 Download PDFInfo
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- WO2019072000A1 WO2019072000A1 PCT/CN2018/097975 CN2018097975W WO2019072000A1 WO 2019072000 A1 WO2019072000 A1 WO 2019072000A1 CN 2018097975 W CN2018097975 W CN 2018097975W WO 2019072000 A1 WO2019072000 A1 WO 2019072000A1
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- Prior art keywords
- transistor
- circuit
- unmanned
- constant current
- photoelectric
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/461—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using an operational amplifier as final control device
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/468—Regulating voltage or current wherein the variable actually regulated by the final control device is dc characterised by reference voltage circuitry, e.g. soft start, remote shutdown
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (4)
- 一种无人驾驶光电软驱动恒流电路,其特征在于,包括:启动电路,接电源端,为所连接的恒流电路提供软启动电压;恒流电路,调节所述无人驾驶光电软驱动恒流电路的回路电流,使得所述回路电流保持恒定;所述启动电路包括二个晶体管,所述晶体管采用场效应管、双极晶体管中的一种或多种,其中:第一N晶体管(N1)的漏极、栅极并接,并同时与第一P晶体管(P1)的漏极、第二N晶体管(N2)的栅极连接,源极接地;所述第一P晶体管(P1)的源极与第二N晶体管(N2)的漏极同时连接至直流电源端,栅极接地;所述第一N晶体管(N1)、第二N晶体管(N2)为NMOS管,所述第一P晶体管(P1)为PMOS管;所述恒流电路包括一个运算放大器、一个电光二极管、一个晶体管与一个电阻,其中:第三N晶体管(N3)的源极通过第一电阻(R1)与运算放大器的负输入端、调整电路端口连接,漏极通过反向电光二极管(D1)与第二N晶体管(N2)的源极连接;所述运算放大器的正输入端与参考电压Vref连接,输出端与所述第三N晶体管(N3)的栅极连接,所述第一N晶体管(N1)与第三N晶体管(N3)的面积相等。
- 根据权利要求1所述的无人驾驶光电软驱动恒流电路,其特征在于,所述电光二极管(D1)包括单个电光二极管或电光二极管串。
- 一种无人驾驶光电驱动集成电路,其特征在于,包括调整电路、权利要求1-2任一项所述的无人驾驶光电软驱动恒流电路,所述调整电路包括一接地的采样电阻Rext,所述采样电阻调节所述恒流电路中的电光二极管D1负载在单位时间内的电流保持恒定。
- 一种无人驾驶光电驱动控制系统,其特征在于,包括整流电路、权利要求1-2任一项所述的无人驾驶光电软驱动恒流电路,所述整流电路对交流电进行全波整流,对连接的所述启动电路进行供电。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710929174.XA CN107678481B (zh) | 2017-10-09 | 2017-10-09 | 无人驾驶光电软驱动恒流电路、集成电路与控制系统 |
CN201710929174.X | 2017-10-09 |
Publications (1)
Publication Number | Publication Date |
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WO2019072000A1 true WO2019072000A1 (zh) | 2019-04-18 |
Family
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Family Applications (1)
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PCT/CN2018/097975 WO2019072000A1 (zh) | 2017-10-09 | 2018-08-01 | 无人驾驶光电软驱动恒流电路、集成电路与控制系统 |
Country Status (2)
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CN (1) | CN107678481B (zh) |
WO (1) | WO2019072000A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107678481B (zh) * | 2017-10-09 | 2018-11-20 | 江苏先云信息技术有限公司 | 无人驾驶光电软驱动恒流电路、集成电路与控制系统 |
Citations (7)
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JP2009169749A (ja) * | 2008-01-17 | 2009-07-30 | Mitsumi Electric Co Ltd | ソフトスタート回路 |
KR20100045342A (ko) * | 2008-10-23 | 2010-05-03 | 심현섭 | 전원안정화 기능을 갖는 교류전원 엘이디 조명장치 |
CN103218001A (zh) * | 2013-04-15 | 2013-07-24 | 无锡普雅半导体有限公司 | 一种软启动的电压调整电路 |
CN103281832A (zh) * | 2013-06-06 | 2013-09-04 | 东莞博用电子科技有限公司 | 一种用于交流led驱动的电流软启动电路 |
CN104796127A (zh) * | 2015-04-10 | 2015-07-22 | 西安电子科技大学 | 用于红外接近感测器的红外发光二极管驱动电路 |
CN107071982A (zh) * | 2017-05-19 | 2017-08-18 | 深圳市晟碟半导体有限公司 | Led驱动装置及其恒功率调光电路、调光方法 |
CN107678481A (zh) * | 2017-10-09 | 2018-02-09 | 东莞市翔实信息科技有限公司 | 无人驾驶光电软驱动恒流电路、集成电路与控制系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101778509B (zh) * | 2010-01-20 | 2012-11-07 | 友达光电股份有限公司 | 发光元件的驱动装置 |
CN102858053B (zh) * | 2011-04-28 | 2015-08-12 | 凹凸电子(武汉)有限公司 | 光源驱动电路、方法及印刷电路板 |
CN103529891B (zh) * | 2012-07-06 | 2016-03-30 | 国民技术股份有限公司 | 一种软启动装置及方法 |
US9367072B2 (en) * | 2012-11-08 | 2016-06-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | AC-DC converters and method with soft-start scheme for AC-DC converters |
CN103729007B (zh) * | 2013-11-22 | 2016-08-17 | 三星半导体(中国)研究开发有限公司 | 具有软启动控制电路的线性稳压源 |
TWI535166B (zh) * | 2014-10-23 | 2016-05-21 | 智原科技股份有限公司 | 具軟啟動電路的電壓調整器 |
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2017
- 2017-10-09 CN CN201710929174.XA patent/CN107678481B/zh active Active
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2018
- 2018-08-01 WO PCT/CN2018/097975 patent/WO2019072000A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009169749A (ja) * | 2008-01-17 | 2009-07-30 | Mitsumi Electric Co Ltd | ソフトスタート回路 |
KR20100045342A (ko) * | 2008-10-23 | 2010-05-03 | 심현섭 | 전원안정화 기능을 갖는 교류전원 엘이디 조명장치 |
CN103218001A (zh) * | 2013-04-15 | 2013-07-24 | 无锡普雅半导体有限公司 | 一种软启动的电压调整电路 |
CN103281832A (zh) * | 2013-06-06 | 2013-09-04 | 东莞博用电子科技有限公司 | 一种用于交流led驱动的电流软启动电路 |
CN104796127A (zh) * | 2015-04-10 | 2015-07-22 | 西安电子科技大学 | 用于红外接近感测器的红外发光二极管驱动电路 |
CN107071982A (zh) * | 2017-05-19 | 2017-08-18 | 深圳市晟碟半导体有限公司 | Led驱动装置及其恒功率调光电路、调光方法 |
CN107678481A (zh) * | 2017-10-09 | 2018-02-09 | 东莞市翔实信息科技有限公司 | 无人驾驶光电软驱动恒流电路、集成电路与控制系统 |
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CN107678481B (zh) | 2018-11-20 |
CN107678481A (zh) | 2018-02-09 |
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