WO2009054503A1 - Ｐｗｍ制御方法及び装置、並びに、調光装置 - Google Patents

Ｐｗｍ制御方法及び装置、並びに、調光装置 Download PDF

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Publication number
WO2009054503A1
WO2009054503A1 PCT/JP2008/069361 JP2008069361W WO2009054503A1 WO 2009054503 A1 WO2009054503 A1 WO 2009054503A1 JP 2008069361 W JP2008069361 W JP 2008069361W WO 2009054503 A1 WO2009054503 A1 WO 2009054503A1
Authority
WO
WIPO (PCT)
Prior art keywords
pwm signal
duty ratio
control method
signal duty
pwm control
Prior art date
Application number
PCT/JP2008/069361
Other languages
English (en)
French (fr)
Inventor
Nobuya Inamori
Original Assignee
Sumitomo Wiring Systems, Ltd.
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 Sumitomo Wiring Systems, Ltd. filed Critical Sumitomo Wiring Systems, Ltd.
Priority to DE112008002804T priority Critical patent/DE112008002804T5/de
Priority to CN2008801041618A priority patent/CN101785186B/zh
Priority to US12/739,504 priority patent/US8278834B2/en
Publication of WO2009054503A1 publication Critical patent/WO2009054503A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Dc-Dc Converters (AREA)
  • Semiconductor Lasers (AREA)

Abstract

　ＰＷＭ制御方法は、ＰＷＭ信号のデューティー比を所定の分解能で増減させることにより、ＰＷＭ制御する場合におけるＰＷＭ信号のデューティー比を制御する。ＰＷＭ信号のデューティー比におけるハイ期間が前記ＰＷＭ信号の立ち上がり時間よりも短い場合には、前記ＰＷＭ信号のデューティー比の分解能を大きくして前記ハイ期間を前記立ち上がり時間よりも長くする。前記ＰＷＭ信号のデューティー比におけるロウ期間が前記ＰＷＭ信号の立ち下がり時間よりも短い場合には、前記ＰＷＭ信号のデューティー比の分解能を大きくして前記ロウ期間を前記立ち下がり時間よりも長くする。
PCT/JP2008/069361 2007-10-25 2008-10-24 Ｐｗｍ制御方法及び装置、並びに、調光装置 WO2009054503A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112008002804T DE112008002804T5 (de) 2007-10-25 2008-10-24 PWM Steuer-bzw. Regelverfahren und Vorrichtung und Lichteinstellvorrichtung
CN2008801041618A CN101785186B (zh) 2007-10-25 2008-10-24 Pwm控制方法和装置以及调光装置
US12/739,504 US8278834B2 (en) 2007-10-25 2008-10-24 PWM control method and device and light adjusting device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-277733 2007-10-25
JP2007277733A JP4840328B2 (ja) 2007-10-25 2007-10-25 Ｐｗｍ制御方法及び装置、並びに、調光装置

Publications (1)

Publication Number Publication Date
WO2009054503A1 true WO2009054503A1 (ja) 2009-04-30

Family

ID=40579606

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/069361 WO2009054503A1 (ja) 2007-10-25 2008-10-24 Ｐｗｍ制御方法及び装置、並びに、調光装置

Country Status (5)

Country Link
US (1) US8278834B2 (ja)
JP (1) JP4840328B2 (ja)
CN (1) CN101785186B (ja)
DE (1) DE112008002804T5 (ja)
WO (1) WO2009054503A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8947145B2 (en) * 2011-03-28 2015-02-03 Renesas Electronics Corporation PWM signal generation circuit and processor system
CN102231931A (zh) * 2011-07-27 2011-11-02 宁波市鄞州赛艾富光电科技有限公司 一种led驱动装置
CN103036541A (zh) * 2011-10-10 2013-04-10 联创汽车电子有限公司 一种pwm电路
CN103850964B (zh) * 2012-11-29 2016-08-03 深圳市海洋王照明工程有限公司 一种风扇调节驱动电路及直流风扇
CN103857099A (zh) * 2012-11-29 2014-06-11 深圳市海洋王照明工程有限公司 一种led调光电路
JP6131602B2 (ja) * 2013-01-17 2017-05-24 株式会社島津製作所 磁気軸受装置および真空ポンプ
US9624974B2 (en) 2013-01-28 2017-04-18 Shimadzu Corporation Magnetic bearing device and vacuum pump
JP6148492B2 (ja) * 2013-02-18 2017-06-14 矢崎総業株式会社 車両用電源制御装置
US9766648B2 (en) 2013-07-16 2017-09-19 Ford Global Technologies, Llc Controller system coordinated using a timing signal and method of controller coordination using a timing signal
JP2016100116A (ja) * 2014-11-19 2016-05-30 四国計測工業株式会社 Ｌｅｄ照明装置、ｌｅｄ点灯装置およびｌｅｄ照明調光制御方法
CN105491729B (zh) * 2016-01-22 2017-12-08 常州星宇车灯股份有限公司 一种汽车室内氛围灯调光电路
CN105974992B (zh) * 2016-06-03 2017-12-05 沙洲职业工学院 一种强电磁干扰环境中pwm控制信号传输方法和装置
CN113470582B (zh) * 2021-07-28 2022-07-15 昆山龙腾光电股份有限公司 一种pwm输出电路和液晶显示装置
CN114567956B (zh) * 2022-03-09 2024-02-20 北京中瑞方兴科技有限公司 直流照明供电中应对轻载直流载波信号畸变的方法及系统

Citations (4)

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JP2004032095A (ja) * 2002-06-21 2004-01-29 Sharp Corp パルス幅変調器
JP2004032732A (ja) * 2003-05-23 2004-01-29 Seiko Epson Corp Ｐｗｍ制御回路、マイクロコンピュータ、及び電子機器
JP2004064922A (ja) * 2002-07-30 2004-02-26 Minebea Co Ltd パルス幅変調回路及びそれを用いた照明装置
JP2006121139A (ja) * 2004-10-19 2006-05-11 Sutekina Kk ディジタルｐｗｍ手段

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JPH0645895A (ja) * 1992-07-27 1994-02-18 Fujitsu Ltd 信号幅制御回路
JP3203162B2 (ja) * 1995-08-31 2001-08-27 株式会社日立製作所 自動車用負荷駆動装置
JP2000177480A (ja) 1998-12-16 2000-06-27 Mitsubishi Cable Ind Ltd 車両用照明装置
US6462971B1 (en) * 1999-09-24 2002-10-08 Power Integrations, Inc. Method and apparatus providing a multi-function terminal for a power supply controller
EP1269628B1 (en) * 2000-03-23 2008-09-10 Ericsson AB Method and apparatus for generating a pulse width modulated signal
US6870328B2 (en) * 2001-12-19 2005-03-22 Toyoda Gosei Co., Ltd. LED lamp apparatus for vehicles
JP4380179B2 (ja) * 2003-02-28 2009-12-09 ソニー株式会社 制御装置及び制御方法
JP2006032095A (ja) 2004-07-15 2006-02-02 Alps Electric Co Ltd カード用アダプタ
JP2007290450A (ja) * 2006-04-21 2007-11-08 Denso Corp 照明装置
TW200847593A (en) * 2007-05-18 2008-12-01 Richtek Techohnology Corp Digital voltage transformer and its control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004032095A (ja) * 2002-06-21 2004-01-29 Sharp Corp パルス幅変調器
JP2004064922A (ja) * 2002-07-30 2004-02-26 Minebea Co Ltd パルス幅変調回路及びそれを用いた照明装置
JP2004032732A (ja) * 2003-05-23 2004-01-29 Seiko Epson Corp Ｐｗｍ制御回路、マイクロコンピュータ、及び電子機器
JP2006121139A (ja) * 2004-10-19 2006-05-11 Sutekina Kk ディジタルｐｗｍ手段

Also Published As

Publication number Publication date
US8278834B2 (en) 2012-10-02
JP2009105821A (ja) 2009-05-14
US20100253240A1 (en) 2010-10-07
JP4840328B2 (ja) 2011-12-21
CN101785186A (zh) 2010-07-21
DE112008002804T5 (de) 2011-02-24
CN101785186B (zh) 2012-12-12

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