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1、I摘要现今社会，LED 的应用表现在许多方面，从 LED 显示器到 LED 节能灯的广泛应用，可以说现阶段 LED 的应用已经渗透到各行各业中，当今社会的发展导致能源趋于枯竭，而 LED 照明灯具有很多的优势，它发出的光是冷光源，光效高，工作电压低，能耗少，寿命长，环保无污染，安全可靠便于维护，在对该课题的选择时考虑到设计过程中需要设计相关的传感器，需要对一定量的数据进行处理，所以在整个设计的过程中加入单片机作为整个系统数据处理和控制核心。在整个系统设计中采用 INTEL 公司的 8051 单片机作为系统的控制处理核心，该单片机内部有足够的资源供系统设计的需要，在传感器方面我们采用的传感器有热
2、释电红外探测器、噪声探测传感器、可见光探测器。另外在处理采集过程中我们采用了 A/D 转换芯片 ADC0809、D/A 转换芯片 DAC0832、集成运算放大器LM324、在驱动电路的选择中我们采用 AP-2B320，该驱动器用 220 伏交流市电供电，给发光二极管提供 320mA 稳定的单向电流，可以串连驱动 1040 只 1 瓦的大功率发光二极管工作。通过各种传感器的相互协调工作，通过单片机控制和调节 LED 照明灯的开关和亮度。关键词：LED 照明灯，单片机，传感器 IIAbstractPresent-day society, LED application performance in
3、 many aspects, from LED display to the wider use of energy-saving lamps, LED can say at this stage of the application have penetrated into all walks of life in the contemporary social development tends to lead to depletion of energy, and LED lighting Lamps have a lot of advantages, its just cold lig
4、ht, high-efficiency, low voltage, low energy consumption, long life, environmental pollution-free, safe and reliable easy to maintain, in the choice of the topic to take into account the design process Need to design-related sensors, the need for a certain amount of data processing, throughout the d
5、esign process of accession to the MCU as a whole system of data management and control of the core.Throughout the system design used in the 8051 INTEL MCU as the control system processing core, the MCU have sufficient internal resources for the needs of system design, the sensor, we used a pyroelect
6、ric sensor infrared detector , Noise detection sensors, visible light detectors. Also in the collection process, we dealt with by the A / D converter chip ADC0809, D / A converter chip DAC0832, integrated operational amplifier LM324. In the drive circuit in the choice we use AP-2B320, the 220 volts
7、used in the exchange-driven electricity supply, to provide 320 mA LED stability of the current one-way, the thread can drive 10 40 only 1 watt The high-power LED work. Through co-ordination between the various sensors controlled by MCU control and regulation of LED lighting switches and brightness.K
8、ey words: LED lighting Lamps，MCU ，detectors1目 录摘要 .IAbstract.II1 绪论 .11.1 课题背景 .11.2 国内外大功率 LED 与半导体照明产业发展状况 .11.3 LED 照明灯和其他照明灯的优缺点 .31.3.1 白炽灯 .31.3.2 日光灯 .31.3.3 节能灯 .31.3.4 LED 节能灯 .41.4 半导体照明技术对推动经济与社会发展的意义 .41.5 国家对推动 LED 照明灯产业具有的好处与优势 .51.5.1 经济社会效益 .51.5.2 环境效益 .51.5.3 中国对发展 LED 照明具有的优势 .62 系统方案设计 .72.1 性能指标 .72.2 方案选择 .72.2.1 方案提出 .72.2.2 方案论证 .82.2.3 方案选定 .83 系统硬件设计 .103.1 系统总体框图 .
