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基于单片机的智能路灯控制新版系统外文文献.doc

1、 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 lamp switch control function;A

2、nd 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 ambient light and street light fa

3、ult 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 89C51;Clock chip DS1302;photosenso

4、rIntroductionFor 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,because of the lack of scientific and effectiv

5、e 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 and to citizens Life bring inconvenience.Inte

6、lligent 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,realize dynamic wisdom of road lighting Can managemen

7、t,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,environment and hand it in Scene control methods of fac

8、tors 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 lighting scene,To improve the quality of lighting at the s

9、ame 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 operation. Circuit must have MD conversion function,adopt STCl2C5

10、608AD 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 acquisition. Light intensity,temperature sensor using photosensi

11、tive 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 for MD conversion interface,set a threshold voltage for light intensity

12、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 environment temperature and time control to modify parameters. S1 for four dia

13、l 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 light Sample,using photosensitive diode on-off to street lamp equipment Obstacle d

14、etection;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 malfunctioning of the street lamp light hint;Communication moduleBlocks,used to transmit command

15、s 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 t

16、urn 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 5:30 to turn off the lights.Dynamically changes of this period of time,changes in the operation A machine to complete,through the communication module will hold instructi

17、ons written to STC 89 c51 chip,then changed the point open to turn off the lights During work time.Photosensitive resistance,by appropriate wavelength of light ,the current will along with the increase of light intensity,thus Realize the photoelectric conversion. To die by ADC0832 device Hold number

18、 converted to provide single-chip,STC 89 c51 according to The default program realize the electric lamp switch function. (1) automatic metering,during the day (or light) When lights go out,night (dark or light) street lights automatically Light up. (2) the sensitivity is adjustable,can adjust accord

19、ing to need Any work under the light. (3) to prevent the instant bright light interference,the AD hoc Delay off function (to strong light,the light switch When 30 seconds to shut down automatically).Photosensitive diode is to use silicon PN knot when the light is produced A photoelectric device,ligh

20、t current work in reverse bias Because of the pressure. During the day light or lamp light photosensitive 2 directly Diode reverse resistance decreases,and diode conduction;Light is very Hours photosensitive diode reverse resistance increases,the diode The check. Using photosensitive diode,detection

21、 of street lamp is night Normal work. When the photosensitive diode as shows that street lamp Equipment failure or theft,acousto-optic quote on STC 89 c51 started Alarm device,at the same time in four LED digital tube display the corresponding The street number.2.The system software design The softw

22、are design of this system is divided into seven parts,mainly Including the LED digital tube display program design;Light to check the Test program design;Equipment fault detection program design;when Clock driver chip design;Open to turn off the lights program design;Communication program design;Aud

23、ible and visual alarm program design,etc.Software includes:main program,system initialization,anti-fuzzy functions,A/D conversion subroutine,communication processing subroutine,keyboard processing subroutine,warp/weft clock computing functions,dial the code switch handle child,switch input processin

24、g function,the switch quantity output treatment function,display function. MCU software programming to CodeVisionAVR C compiler as a development platform,USES C written in a high-level language.3.TAGUSES the wireless transceiver module and single-chip integration design,can reduce the hardware cost

25、of the system,convenient installation,easy maintenance. Adopt type a 15 STR micropower wireless digital module,high efficiency forward error correction channel coding technology,improves the data the abrupt interference and random interference resistance ability. Using high-speed microcontroller W7E

26、58,improve the measurement precision of the liquid level,simplified the hardware structure of the system. The system not only for level measurement is a kind of safe and effective solutions,can be applied to other material level measurement under the bad environment.Street lamp lighting system is in

27、dispensable to the road traffic Facilities,design a kind of intelligent street light control system,right Increase induced by road,improve the driving safety at night And comfort,effectively prevent criminal activity,beautify the environment,Save power resources,has a certain practical significance

28、and can be Development value.References 1,truth,science and technology. 8051 series single chip microcomputer C program design manual M. Completely People post and telecommunications press,. 2 realistic technology. Microcontroller peripheral devices and applications M. Typical people Posts and telec

29、ommunications press,2. 3 BianChunYuan,wang zhiqiang. MCS - 51 single chip microcomputer application development practical subroutine M. Peoples posts and telecommunications press,9. 4 Shen Gongwei. Based on single chip microcomputer intelligent syste design and implementation M. Electronic Industria

30、l press,. m 5 Wan Guangyi,nine sun Ann,Cai Jianping. SOC SCM experiment,practice and should be With design - based on C8051F series M. Beijing university of aeronautics and astronautics Publisher,. 6 Xu Aijun Peng Xiuhua. Keil Cx51 V7.0 microcontroller programming in a high-level language and Mu Vis

31、ion2 application practice M. Beijing:electronic industry press,. 7 blockbuster,special expensive,were yu. Intelligent street light control system design and application research. The modern electronic technology,. (1) :207-207. 8 kang hua guang,Chen Taiqin. Analog part electronic technology foundati

32、on M. Beijing:higher education press,.基于单片机智能路灯控制系统【摘要】设计了一种路灯自动控制系统,具备时控、光控相结合路灯开关控制功能;以及路灯故障检测并显示故障路灯编号功能。采用STC 89C51单片机作为核心控制部件;运用时钟芯片DS1302对路灯进行时控开关灯控制;由光敏器件完毕环境光照度采集与路灯故障检测,从而实现光控开关灯与故障路灯编号显示。本系统可以通过RS-232原则通信端口与路灯控制室上位机进行通信。【核心词】STC 89C51单片机;时钟芯片DS1302;光敏器件引言当前国内绝大某些都市和地区路灯照明控制采用光控、时间控制及单点电子控制

33、,维修管理采用人工巡逻及群众反映等老式方式,由于缺少科学有效监控管理手段,白天大面积亮灯,夜间大面积不亮灯现象经常发生,往往不能及时发现和解决,不但导致电力资源、人力资源挥霍,提高了系统运营成本,又给市民生活带来不便。智能化道路照明系统可以依照不同区域不同功能需求,在每天不同步段、不同自然光照度或者不同交通流量状况下,按照特定设立,实现对道路照明动态智能化管理,即TPO管理(TIME时间PLACE地点OCCASION场合)。智能化道路照明控制系统,通过综合考虑和分析与道路照明密切有关时间、路段、环境照度和交通流量等因素场景控制办法,在微机中按照预设控制方略,对道路照明进行动态智能化管理,控制路

34、灯在不同状况下工作在不同状态实现多样化道路照明场景,从而在提高照明质量同步获得最佳节能效果。1.系统硬件设计控制电路重要完毕对光线、温度信号采集,数据运算和分析,以及依照运算成果控制路灯驱动电路。电路需具备MD转换功能,采用STCl2C5608AD单片机作为控制单元,该单片机为单时钟周期增强型8051内核单片机,片内含8KBFLASH程序存储器,有8路lO位MD转换接口,可满足数据采集需要。光强度、温度传感器分别采用光敏电阻和热敏电阻。如图一所示: 图一 图二光敏电阻Rx与电阻R2构成分压电路,光强变化时,单片机P1.7引脚输入电压变化,P1.7引脚可设立为MD转换接口,为光强设立一种临界电压

35、即可区别白天和黑夜。热敏电阻Rx与R3构成分压电路,温度变化时,P15引脚电压变化,经图1控制电路绿色质量观测L NAD转换可计算实际环境温度,以修改时间控制参数。s1为4位拨码开关,可用于以为设定参数,以增长控制器灵活性。1.1 硬件设计系统硬件模块包括:控制模块,采用STC 89C51单片机实现;传感器模块,采用光敏电阻实现对周边环境光照度采样,采用光敏二极管通断进行路灯设备故障检测;时钟模块,采用DS1302时钟芯片;显示模块,由4个LED数码管构成,用来显示故障路灯编号;声光报警模块,块,用于传播来自上位机指令。1.2 模块功能STC 89C51单片机依照时钟芯片DS1302提供时钟信

36、号,按照下列时段实现时控开关灯空。(1)冬季时间:傍晚18:00开灯,次日上午7:30关灯。(2)春秋季时间:傍晚19:00开灯,次日上午6:30关灯。(3)夏季时间:傍晚20:00开灯,次日上午5:30关灯。这个时段可动态修改,修改操作在上位机完毕,通过通信模块将指令写入STC89C51芯片内,随后就变化了时控开关灯工作时段。光敏电阻,受到恰当波长光线照射时,电流就会随光强增长而变大,从而实现光电转换。通过ADC0832器件进行模数转换后提供应单片机,STC 89C51按照预设方案实现如下光控路灯开关功能。(1)自动测光,白天(或光线强时),夜晚(或光线暗时)路灯自动点亮。(2)感光度可调,

37、可依照需要调节在任意光线下工作。(3)为防止瞬间强光干扰,特设延时关闭功能(光线达到强光时,开关延时30秒左右才自动关闭)。光敏二极管是运用硅PN结受光照后产生光电流一种光电器件,工作于反向偏压。白天受光照或路灯直接照射时光敏二极管反向电阻减小,二极管导通;光照很小时光敏二极管反向电阻增大,二极管截止。采用光敏二极管,检测夜晚路灯与否正常工作。当光敏二极管截止时表白路灯设备故障或被盗,STC 89C51启动声光报警装置,同步在4位LED数码管上显示相应路灯编号。2.软件设计本系统软件设计分为七某些,重要涉及LED数码管显示程序设计;光照度检测程序设计;设备故障检测程序设计;时钟芯片驱动程序设计

38、;开关灯程序设计;通信程序设计;声光报警程序设计等。软件程序涉及:主程序、系统初始化子函数、AD转换子程序、通讯解决子函数、键盘解决子函数、经纬时钟计算解决子函数、拨码开关解决子函数、开关量输入解决子函数、开关量输出解决子函数、显示解决子函数。单片机软件编程以CodeVisionAVR C编译器作为开发平台,采用C高档语言编写。3.结束语采用无线收发模块与单片机集成设计,可减少系统硬件成本,安装以便,易于维护。采用STR一15型微功率无线数传模块、高效前向纠错信道编码技术,提高了数据抗突发干扰和随机干扰能力。采用高速单片机W7E58,提高了液位测量精度,简化了系统硬件构造。该系统不但对液位测量

39、是一种安全、有效解决方案,也可以应用于其他恶劣环境下物位测量。路灯系统是道路交通不可缺少照明设施,设计一种智能化路灯控制系统,对提高道路诱导性,提高夜间行车安全感和舒服感,有效防止犯罪活动,美化环境,节约电力资源,具备一定现实意义和可开发价值。参照文献1求是科技.8051系列单片机C程序设计完全手册M.人民邮电出版社,.2求是科技.单片机典型外围器件及应用实例M.人民邮电出版社,2.3边春远,王志强.MCS-51单片机应用开发实用子程序M.人民邮电出版社,9.4沈红卫.基于单片机智能系统设计与实现M.电子工业出版社,.5万光毅,孙九安,蔡建平.SOC单片机实验、实践与应用设计基于C8051F系列M.北京航空航天大学出版社,.6徐爱钧,彭秀华.Keil Cx51 V7.0单片机高档语言编程与Vision2应用实践M.北京:电子工业出版社,.7赞一鸣,王祟贵,刘进宇智能路灯控制系统设计与应用研究们当代电子技术,(1):207-2108慷华光,陈太钦电子技术基本模仿某些M北京:高等教诲出版社,4 指引教师意见(对课题深度、广度及工作量意见) 指引教师: 年 月 日 5 所在系审查意见: 系主管领导: 年 月 日

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