大功率LED照明系统及其驱动电源设计
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摘要
大功率照明LED(Light Emitting Diode)是新一代光源,它的光转换效率高,也称作绿色光源。若能以LED照明取代目前低效率、高能耗的传统照明,无疑对缓解当前越来越紧迫的能源短缺和环境恶化问题起到举足轻重的作用。本文针对LED的特性和室内照明灯具的要求,研究设计了一款大功率LED面板灯及其恒流驱动电源。
本文针对室内照明的要求,阐述了大功率LED照明系统的设计与灯具结构。在灯具的设计中,铝基板、灯具底板充分考虑了LED散热问题,为了使出光均匀,面板上加了扩散板,达到出光柔和的效果,适合室内照明使用。
由于LED照明应用的推广,驱动开关电源装置也得到了广泛的应用。相比传统的开关电源,LED驱动对电源提出了更高的要求,高效型、体积小和污染低的驱动电源成为了研发的主流技术。本文将PFC技术、准谐振DC/DC变换技术相结合,设计出一款低电磁污染的开关电源,既保证了较高的功率因数,改善了对电网的影响,又能保证高效率,可靠实用。
本文设计的驱动电源采用两级驱动结构。前级电路为功率因数校正级。详细分析了工作在临界断续模式的Boost PFC电路,进行了主电路参数的推导和设计以及基于L6562的控制电路的设计。后级为准谐振的反激变换电路,介绍了反激变换及准谐振模式的理论基础和应用,并基于NCP1207设计了后级的DC/DC电路。电源的输出采用AP4313进行恒流控制。
最后通过实验验证了所设计的灯具及驱动电源具有可行性。
High power LED(Light Emitting Diode)is a new generation of high-power light source, its high optical conversion efficiency, also known as the“green light”. It is no doubt that the environmental deterioration and current energy shortage will be alleviated if LED lighting replace traditional lighting of low efficiency and high energy consumption. According to the characteristics of LED and indoor LED lighting requirements, this paper researched and designed a high-power LED panel light and the constant current drive power.
According to the requirements of indoor lighting, a high-power LED lighting system and lighting structure had been designed. In the design, the heat and uniformity had been considered. The LED lamp is suitable for indoor use.
Since the promotion of LED lighting applications, the switching power supply have also been widely used. Compared to traditional switching power supply, LED driver requirements higher requirements. High efficiency, small size and low pollution driver becomes a mainstream technology of R&D. This paper attempts to assoeiate PFC teehnology with Quasi-Resonnat DC/DC technology, to work out a novel switching power supply with higher efficiency and low contamination, which both achieved high power factor, improved effecting on electrical network and ensured high efficieney, furthermore, it is easy to be realized and controlled in circuit. Therefore it has great value of application.
In this paper, we propose a new type of two-stage program, the former rank of PFC class,after class for the DC/DC level. The CRM mode PFC of the working principle and the main circuit parameters are derived and design,as well as the L6562-based PFC control circuit design of the study in detail. Followed by detailed information on the theory of Flyback and Quasi-resonant mode of basic and applied, based on the NCP1207 flyback converter a low-loss quasi-resonant converter had been design. Constant current output of the driver was designed based on the AP4313.
Finally, the feasibility of the LED lamp and driver was velidated by experiment.
本文针对室内照明的要求,阐述了大功率LED照明系统的设计与灯具结构。在灯具的设计中,铝基板、灯具底板充分考虑了LED散热问题,为了使出光均匀,面板上加了扩散板,达到出光柔和的效果,适合室内照明使用。
由于LED照明应用的推广,驱动开关电源装置也得到了广泛的应用。相比传统的开关电源,LED驱动对电源提出了更高的要求,高效型、体积小和污染低的驱动电源成为了研发的主流技术。本文将PFC技术、准谐振DC/DC变换技术相结合,设计出一款低电磁污染的开关电源,既保证了较高的功率因数,改善了对电网的影响,又能保证高效率,可靠实用。
本文设计的驱动电源采用两级驱动结构。前级电路为功率因数校正级。详细分析了工作在临界断续模式的Boost PFC电路,进行了主电路参数的推导和设计以及基于L6562的控制电路的设计。后级为准谐振的反激变换电路,介绍了反激变换及准谐振模式的理论基础和应用,并基于NCP1207设计了后级的DC/DC电路。电源的输出采用AP4313进行恒流控制。
最后通过实验验证了所设计的灯具及驱动电源具有可行性。
High power LED(Light Emitting Diode)is a new generation of high-power light source, its high optical conversion efficiency, also known as the“green light”. It is no doubt that the environmental deterioration and current energy shortage will be alleviated if LED lighting replace traditional lighting of low efficiency and high energy consumption. According to the characteristics of LED and indoor LED lighting requirements, this paper researched and designed a high-power LED panel light and the constant current drive power.
According to the requirements of indoor lighting, a high-power LED lighting system and lighting structure had been designed. In the design, the heat and uniformity had been considered. The LED lamp is suitable for indoor use.
Since the promotion of LED lighting applications, the switching power supply have also been widely used. Compared to traditional switching power supply, LED driver requirements higher requirements. High efficiency, small size and low pollution driver becomes a mainstream technology of R&D. This paper attempts to assoeiate PFC teehnology with Quasi-Resonnat DC/DC technology, to work out a novel switching power supply with higher efficiency and low contamination, which both achieved high power factor, improved effecting on electrical network and ensured high efficieney, furthermore, it is easy to be realized and controlled in circuit. Therefore it has great value of application.
In this paper, we propose a new type of two-stage program, the former rank of PFC class,after class for the DC/DC level. The CRM mode PFC of the working principle and the main circuit parameters are derived and design,as well as the L6562-based PFC control circuit design of the study in detail. Followed by detailed information on the theory of Flyback and Quasi-resonant mode of basic and applied, based on the NCP1207 flyback converter a low-loss quasi-resonant converter had been design. Constant current output of the driver was designed based on the AP4313.
Finally, the feasibility of the LED lamp and driver was velidated by experiment.
引文
[1]黄天宏. LED照明技术的研究和设计实例[D].长沙:湖南大学,2009
[2]江珊.照明LED技术标准简述[J].中国照明电器,2007,(2):23- 25
[3]刘耀彬,胡观敏.我国LED产业的发展现状、趋势及战略选择[J].科技进步与对策,2010,27(12):77- 81
[4]李军伟. LED的驱动电路研究[D].大连:大连理工大学,2007
[5]杨清德,康娅. LED及其工程应用[M].北京:人民邮电出版社,2007:8- 9
[6]王军喜.新型高效光源——白光LED[J].高科技与产业化,2011,(1):62- 63
[7]彭龑,李晓寒,何华平.驱动白光LED技术综述[J].中国照明电器,2010,(9):9- 11
[8]沈海平.大功率LED可靠性预测机制研究[D].杭州:浙江大学,2008
[9]前瞻商业资讯有限公司.中国LED行业产销需求与投资分析报告[R]. 2008:36
[10]彭万华.我国超高亮度及白光LED产业的现状与发展[J].激光与红外,2005,,35(4):223- 227
[11]雷玉堂,黎慧.未来的照明光源——白光LED技术及其发展[J].光学与光电技术,2003,5:33- 34
[12]李卓,朱崇恩,刘小鸿.固态发光器件前景光明[J].中国照明电器,2003,7(7):11- 13
[13] Horibe A, Izuhara M, and Nihei et al. Lumileds Lighting [J]. J of SID, 1995, 3(4): 169- 171
[14]张磊.关于LED新发展的探讨[J].电子质量,2011,(1):68- 70
[15]郑久云,韩志刚,罗胜钦.白光LED的应用与驱动[J].现代显示,2009,(8):43- 46
[16]林秀华,林彦.低碳经济促进LED节能照明[J].厦门科技,2010,(6):13- 17
[17]李佳峰.浅析发光二极管技术与产业的发展[J].汕头科技,2010,(1):31- 36
[18] Haitz R, Kish F, Tsao J et al. Innovation in Semiconductor Illumination: Opportunities for National Impact[C]. Optoelectronics Industry Development Association, USA, 1999
[19]广东省科学技术情报研究所信息传播中心. LED产业发展动态[J].广东科技,2010,(13):40- 44
[20]邵振波. LED普通照明灯具设计趋势研究[D].上海:上海交通大学,2007
[21]陈向荣. LED室内照明,实现真正的节能是关键[J].高科技与产业化,2011,(1):70- 71
[22]林怡,郝洛西,蔡烨震.半导体光源照明在办公空间中的应用分析[J].照明工程学报,2010,21(1):58- 63
[23]魏惠凤,秦大为.大功率LED路灯驱动电源的设计[J].电工技术,2009,(5):78- 80
[24]郭起宏,高京泉,贺孝田. LED路灯照明若干技术瓶颈问题探讨[J].照明工程学报,2010,21(1):64- 68
[25]郑同江.电力电子装置的谐波危害及其抑制对策[J].天津理工学院学报,1999,15(1):26- 29
[26] Luo Shiguo,Qiu Weihong. Flyboost Power Factor Correetion Cell and a New Family of Single-Stage AC/DC Converters [J]. IEEE Transaetions on Power Electronies,2006,20(l):25- 33
[27] Wu Xiaoqun , Dranga Oetavian. Fast-Scale Instability of Single-Stage Power-Factor-Correetion Power Supplies[J]. IEEE Transaetionson Cireuits And System,2006,53(l):204- 212
[28]刘霞.单相有源功率校正电路研究[D].成都:西南交通大学,2005
[29]邓卫波,张波.一种新颖的无源功率因数校正电路[J].电源技术应用,2002,12(5):643- 645
[30] Fimiani S.单级功率因数校正LED驱动器[J].电子设计应用,2008,(9):97- 99
[31]皮文兵.临界导通模式控制方式的PFC芯片的分析与设计[D].成都:电子科技大学,2007
[32] Zhang J.,Lee F.C.,Jovanovic M.M.. A novel interleaved discontinuous current mode single-stage power-factor-correction technique with universal-line input[J]. in Proc. PESC-01,pp.1007-1012,2001
[33]林建一,李建明,沈彭桦.用于1kW电源的有源功率因数校正器[J].东南大学学报(自然科学版),2003,(9):23- 26
[34]崔晶,柴贵兰.临界导电模式有源功率因数校正器的设计[J].现代电子技术,2009,(12):124- 126
[35] Datasheet of ST L6562[EB/OL]. http://www.st.com
[36]刘凤君.现代高频开关电源技术及应用[M].北京:电子工业出版社,2008
[37]刘霞,李国柱,郭东道.单相APFC变换器主电路的设计[J].西安文理学院学报(自然科学版),2007,10(1):110- 113
[38]谢运祥.开关电源入门[M].北京:人民邮电出版社,2007
[39]杨旭,裴云庆,王兆安.开关电源技术[M].北京:机械工业出版社,2004
[40]钱海,于锁平,陈乾宏.采用同步整流技术的准谐振反激变换器[J].电力电子技术,2008,42(11):40- 42
[41]夏一正.多模式准谐振反激式开关电源控制器设计[D].杭州:浙江大学,2007
[42] Abraham I. Pressman. Switching Power Supply Design[M]. Taiwan: McGraw-Hill international, 1999
[43]李龙文.新一代单端变换控制器——NCP1200系列及应用[J].电源技术应用,2006,9(11):57- 61
[44] Datasheet of NCP1207[EB/OL]. http://www.onsemi.com
[45]王维新,王书堂.低损耗准谐振反激变换器的实现[J].电源世界,2009,(7):34- 36
[46]汪洋,林海青,常越.反激式准谐振开关电源工作频率确定及电源研制[J].电力电子技术,2005,39(3):92- 94
[47]孟宪会,王笑娜,刑岩.反激变换器两种缓冲回路的比较研究[J],第五届电力电子与运动控制学术年会,APSC2004,103~106
[48] Datasheet of AP4313[EB/OL]. http://www.bcdsemi.com
[2]江珊.照明LED技术标准简述[J].中国照明电器,2007,(2):23- 25
[3]刘耀彬,胡观敏.我国LED产业的发展现状、趋势及战略选择[J].科技进步与对策,2010,27(12):77- 81
[4]李军伟. LED的驱动电路研究[D].大连:大连理工大学,2007
[5]杨清德,康娅. LED及其工程应用[M].北京:人民邮电出版社,2007:8- 9
[6]王军喜.新型高效光源——白光LED[J].高科技与产业化,2011,(1):62- 63
[7]彭龑,李晓寒,何华平.驱动白光LED技术综述[J].中国照明电器,2010,(9):9- 11
[8]沈海平.大功率LED可靠性预测机制研究[D].杭州:浙江大学,2008
[9]前瞻商业资讯有限公司.中国LED行业产销需求与投资分析报告[R]. 2008:36
[10]彭万华.我国超高亮度及白光LED产业的现状与发展[J].激光与红外,2005,,35(4):223- 227
[11]雷玉堂,黎慧.未来的照明光源——白光LED技术及其发展[J].光学与光电技术,2003,5:33- 34
[12]李卓,朱崇恩,刘小鸿.固态发光器件前景光明[J].中国照明电器,2003,7(7):11- 13
[13] Horibe A, Izuhara M, and Nihei et al. Lumileds Lighting [J]. J of SID, 1995, 3(4): 169- 171
[14]张磊.关于LED新发展的探讨[J].电子质量,2011,(1):68- 70
[15]郑久云,韩志刚,罗胜钦.白光LED的应用与驱动[J].现代显示,2009,(8):43- 46
[16]林秀华,林彦.低碳经济促进LED节能照明[J].厦门科技,2010,(6):13- 17
[17]李佳峰.浅析发光二极管技术与产业的发展[J].汕头科技,2010,(1):31- 36
[18] Haitz R, Kish F, Tsao J et al. Innovation in Semiconductor Illumination: Opportunities for National Impact[C]. Optoelectronics Industry Development Association, USA, 1999
[19]广东省科学技术情报研究所信息传播中心. LED产业发展动态[J].广东科技,2010,(13):40- 44
[20]邵振波. LED普通照明灯具设计趋势研究[D].上海:上海交通大学,2007
[21]陈向荣. LED室内照明,实现真正的节能是关键[J].高科技与产业化,2011,(1):70- 71
[22]林怡,郝洛西,蔡烨震.半导体光源照明在办公空间中的应用分析[J].照明工程学报,2010,21(1):58- 63
[23]魏惠凤,秦大为.大功率LED路灯驱动电源的设计[J].电工技术,2009,(5):78- 80
[24]郭起宏,高京泉,贺孝田. LED路灯照明若干技术瓶颈问题探讨[J].照明工程学报,2010,21(1):64- 68
[25]郑同江.电力电子装置的谐波危害及其抑制对策[J].天津理工学院学报,1999,15(1):26- 29
[26] Luo Shiguo,Qiu Weihong. Flyboost Power Factor Correetion Cell and a New Family of Single-Stage AC/DC Converters [J]. IEEE Transaetions on Power Electronies,2006,20(l):25- 33
[27] Wu Xiaoqun , Dranga Oetavian. Fast-Scale Instability of Single-Stage Power-Factor-Correetion Power Supplies[J]. IEEE Transaetionson Cireuits And System,2006,53(l):204- 212
[28]刘霞.单相有源功率校正电路研究[D].成都:西南交通大学,2005
[29]邓卫波,张波.一种新颖的无源功率因数校正电路[J].电源技术应用,2002,12(5):643- 645
[30] Fimiani S.单级功率因数校正LED驱动器[J].电子设计应用,2008,(9):97- 99
[31]皮文兵.临界导通模式控制方式的PFC芯片的分析与设计[D].成都:电子科技大学,2007
[32] Zhang J.,Lee F.C.,Jovanovic M.M.. A novel interleaved discontinuous current mode single-stage power-factor-correction technique with universal-line input[J]. in Proc. PESC-01,pp.1007-1012,2001
[33]林建一,李建明,沈彭桦.用于1kW电源的有源功率因数校正器[J].东南大学学报(自然科学版),2003,(9):23- 26
[34]崔晶,柴贵兰.临界导电模式有源功率因数校正器的设计[J].现代电子技术,2009,(12):124- 126
[35] Datasheet of ST L6562[EB/OL]. http://www.st.com
[36]刘凤君.现代高频开关电源技术及应用[M].北京:电子工业出版社,2008
[37]刘霞,李国柱,郭东道.单相APFC变换器主电路的设计[J].西安文理学院学报(自然科学版),2007,10(1):110- 113
[38]谢运祥.开关电源入门[M].北京:人民邮电出版社,2007
[39]杨旭,裴云庆,王兆安.开关电源技术[M].北京:机械工业出版社,2004
[40]钱海,于锁平,陈乾宏.采用同步整流技术的准谐振反激变换器[J].电力电子技术,2008,42(11):40- 42
[41]夏一正.多模式准谐振反激式开关电源控制器设计[D].杭州:浙江大学,2007
[42] Abraham I. Pressman. Switching Power Supply Design[M]. Taiwan: McGraw-Hill international, 1999
[43]李龙文.新一代单端变换控制器——NCP1200系列及应用[J].电源技术应用,2006,9(11):57- 61
[44] Datasheet of NCP1207[EB/OL]. http://www.onsemi.com
[45]王维新,王书堂.低损耗准谐振反激变换器的实现[J].电源世界,2009,(7):34- 36
[46]汪洋,林海青,常越.反激式准谐振开关电源工作频率确定及电源研制[J].电力电子技术,2005,39(3):92- 94
[47]孟宪会,王笑娜,刑岩.反激变换器两种缓冲回路的比较研究[J],第五届电力电子与运动控制学术年会,APSC2004,103~106
[48] Datasheet of AP4313[EB/OL]. http://www.bcdsemi.com