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1、江西理工大学南昌校区毕业设计(论文)题目:触摸开关的研究系:信息工程系专业:应用电子技术班级:学生:学号:指导教师:职称:讲师市场经济的发展,人们对开关的需求越來越高,开关的种类也因此越来越齐全。声控开关、机械开关、光控开关等产品逐步进入生活中。但由于机械开关属于有触点开关元件,它有接触不良、故障率高、使用不便等缺点,且摩擦较大容易损坏;盛开开关严重浪费了屯力资源,干扰了环境安宁;光控开关是采用光线的强弱來实现对用电器电源自动控制的电子开关,它对光线强弱的要求苛刻。针对以上开关的各种缺点,促使我们寻求更为理想的开关电器设备替代元件,方便人们生活。触摸开关是一种新型的电子节能开关,可广泛应用
2、于多层住宅和办公室外的走廊、门厅、楼梯间、电梯间、过道等公共场所,也可以在家庭安装。本次设计利用模拟电路和数字电路,以直流稳压电源电路、NE555单稳态电路、和继电器控制电路为核心设计延时触摸开关。需要开关灯时,手指触摸开关感应区,电灯自动点亮,延时约一分钟,屯灯自动熄灭。该操作简单,使用节能,又没冇声控开关有声音就亮的弊端。主要由NE555定时器,直流稳压电路和继电器控制电路组成。具备以下功能特点:节约电能,无触点,无污染,安全可靠。关键词:触摸开关;模拟电路;延时;感应;节能ABSTRACTThedevelopmentofmarketeconomy,peopletoswitchthed
3、emandishigherandhigher,thetypesandthereforelessswitchiscomplete.Sonicswitch,mechanicalswitch,opticalswitchetc.Producthasgraduallytakenintolife.Butduetomechanicalswitchbelongtohaveswitchcomponents,ithasbadcontacts,failureratehigh,useinconvenienceoffaults,andfrictionlargerdamageeasily;Bloomingswitch
4、powerresources,seriouswastetointerferewiththeenvironmentaltranquility,Opticalswitchisusingthestrengthofthelighttoachievewithelectricpowerautomaticcontrolofelectronicswitch,itissolightintensityrequirementsharsh.Inviewoftheaboveswitch,promptingflawsweseekmoreidealswitchelectricalequipmentreplacement
5、components,convenientforpeopletolife.Corridordelaytouchswitchisanewtypeofelectronicenergysavingswitch,canbewidelyusedinmulti-storeyresidentialandofficecorridorsoutside,vestibular,stair,elevator,corridorinpublicplaces,alsocanbeinhomeinstallation.Thisdesignusinganaloganddigitalcircuit,inordertodirec
6、tcurrentvoltage-stabilizedsourcecircuit,NE555singlestatecircuit,andrelaycontrolcircuitasthecoredesigndelaytouchswitch.Needtoturnoffthelightswhenopenfingersswitchinductivezone,lightsautomaticlight,delayaboutaminute,electricautomaticextinguished.Theoperationissimple,useenergy-saving,againhavenovoice
7、soundslightswitchhasthedrawbacks.MainlybyNE555timer,devoltagecircuitandrelaycontrolcircuitcomposed.Havethefollowingfunctioncharacteristics:saveelectricenergy,non-contact,clean,safeandreliable.Keywords:touchswitch