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1、资料内容仅供您学习参考，如有不当之处，请联系改正或者删除。 毕业设计(论文)外文资料翻译系 别 光电信息系 专 业 测控技术与仪器 班 级 B090102 姓 名 马丽娜 学 号 36 外文出处 Spriger Link 附 件 1. 原文; 2. 译文 3月Based on single chip microcomputer intelligent street light control system【 abstract 】 A street light automatic control system design, combined with the control, electric
2、 lamp switch control function; And street lamp fault detection and fault street lamp according to the function of the number. Use on STC 89C51 as the core Control unit; Using DS1302 clock chip to control the point open to turn off the lights when street lamps; By a photosensor complete collection of
3、 ambient light and street light fault detection, so as to realize the number of optically controlled open to turn off the lights and fault street lamp display. This system Can through the RS - 232 communication port with the street light control room of the upper machine communication.【key words】STC
4、 89C51; Clock chip DS1302; photosensorIntroductionFor the most part at present domestic cities and regions of the street lamp Lighting adopts electric control, time control and single point of electrons Control, maintenance management and manual inspections and the masses The traditional way, becaus
5、e of the lack of scientific and effective monitoring Means, large area lighting during the day, night not large area Light phenomenon occurs frequently, often cant find and in a timely manner Processing, not only caused power resources, human resources Cost, improve the operating costs of the system
6、 and to citizens Life bring inconvenience.Intelligent road lighting system can according to different area Domain of different functional requirements, at different times and different every day Natural light or under different traffic flow conditions, the press According to a specific setting, real
7、ize dynamic wisdom of road lighting Can management, namely the TPO management (TIME/PLACE, TIME Location/OCCASION occasions). Intelligent road lighting Control system, through the comprehensive consideration and analysis and road Ming is closely related to the intensity of illumination time, road, e
8、nvironment and hand it in Scene control methods of factors such as flow rate, in the microcomputer According to the preset control strategy, the road lighting into action Street lamp intelligent management and control in different conditions normally In different states implement diversified road li
9、ghting scene, To improve the quality of lighting at the same time get the best section Can effect.1. The system hardware designControl circuit mainly to light, temperature signal acquisition, data computing and analysis, and control of street lamp driver circuit according to the results of the opera
10、tion. Circuit must have MD conversion function, adopt STCl2C5608AD single chip microcomputer as control unit, the single-chip computer as a single clock cycle enhanced 8051 kernel microcontroller, it contains 8 KB FLASH program memory, eight road lO MD conversion interface, can meet the need of data
11、 acquisition. Light intensity, temperature sensor using photosensitive resistance and thermal resistance, respectively. Figure 1Figure 2Photosensitive resistor Rx and resistance R2 bleeder circuit, light intensity changes, microcontroller P1.7 pin input voltage changes, and P1.7 pin can be set up fo
12、r MD conversion interface, set a threshold voltage for light intensity can distinguish between day and night. Thermal resistor Rx and R3 bleeder circuit, the temperature changes, P1.5 pin voltage change, the figure 1 watch NA L/D conversion control circuit green quality can calculate the actual envi
13、ronment temperature and time control to modify parameters. S1 for four dial the code switch, can be used to think.1.1 hardware designSystem hardware modules include: control module, mining Use 89 c51 to realize on STC; Sensor module, Using photosensitive resistance on the surrounding environment lig
14、ht Sample, using photosensitive diode on-off to street lamp equipment Obstacle detection; The clock module, using DS1302 clock chip Slice; Display module, which is made up of four LED digital tube, use To display the fault street lamp number; Sound and light alarm module, Implementation of malfuncti
15、oning of the street lamp light hint; Communication moduleBlocks, used to transmit commands from PC.1.2 module functionOn STC 89 c51 based on DS1302 clock chip Provide the clock signal, according to the following time implementation control Turn off the lights.(1) : winter time 18:00 lights at night, The next morning at 7:30 to turn off the lights.(2) age season time: the evening number is turn on the light, The next morning at 6:30 to turn off the lights.(3) in the summer time: 20:00 lights at night, The next morning at
