XXXX年电子产品装配与调试试题1调试说明

第1页共5页2010年吉林省中等职业学校电工电子技术技能大赛电子产品装配与调试技能竞赛调试说明装订线一、功能说明抽油烟机自动控制系统—信号感测电路由温度自动检测电路和工作状态转换电路组成。温度自动检测电路自动检测温度的变化，并根据温度的变化输出状态指示；工作状态转换电路控制当前系统的工作状态。二、产品功能介绍1．电路正确连接后，J1接9V交流电。2．用手接近SE和RE，停顿约0.5秒移走，此时，J2输出单稳状态。3．用电烙铁给VD1加温（烙铁尖紧挨着VD1），LED2和LED3发光；移走电烙铁，经过一段时间后，VD1感测的温度降低，LED2和LED3熄灭；在经过一段时间之后，VD1感测到的是室内温度，系统恢复到初始状态。三、芯片介绍1、P521-2引脚如图所示：功能说明：1，2，3，4脚为输入端。5，6，7，8脚为输出端。2、7805引脚如图所示：引脚功能说明：1脚：Vi输入端。2脚：地端。3脚：Vo输出端。3、LM317引脚如图所示：引脚功能说明：1脚：Vo输出端。第2页共5页2010年吉林省中等职业学校电工电子技术技能大赛电子产品装配与调试技能竞赛调试说明装订线2脚：调整端。3脚：Vi输入端。4、LM324引脚如图所示：5、LM567引脚如图所示：引脚功能说明：1脚：输出滤波。2脚：回路滤波。3脚：输入端。4脚：电源。5脚：定时电阻。6脚：定时电容7脚：地。8脚：输出端。6、UA741引脚如图所示：引脚功能说明：1脚：偏置(调零端)。2脚：反相向输入端。3脚：同相输入端。4脚：地。5脚：偏置(调零端)。6脚：输出。7脚：电源。第3页共5页2010年吉林省中等职业学校电工电子技术技能大赛电子产品装配与调试技能竞赛调试说明装订线8脚：空脚。四、附图1电路原理图元件属性表序号元件封装数量属性值1BRIDGEBRIDGEPCB1整流桥2C1RAD-0.210.1uF3C2RAD-0.210.1uF4C3CAPPR2-5x6.81100uF5C4RAD-0.210.1uF6C5RAD-0.210.1uF7C6RAD-0.210.1uF8C7RAD-0.211uF9C8RAD-0.210.01uF10C9CAPPR2-5x6.8110uF11C10CR2012-080510.1uF12E1CAPPR5-5x51220uF13E2RAD-0.210.1uF14E3CAPPR5-5x51100uF15E4RAD-0.210.1uF16E5CAPPR2-5x6.8147uF17E6RAD-0.210.1uF18E7CR3216-1206110uF19E8CR2012-080510.1uF20J1HDR1X21交流9V21J2HDR1X21测试输出22JP1HDR1X21跳线23JP2HDR1X21跳线24JP3HDR1X21跳线25JP4HDR1X21跳线26LED1LEDSHARE1红色发光管27LED2LEDSHARE1红色发光管28LED3LEDSHARE1红色发光管29Q1BCY-W31S901230Q2BCY-W312N555131R1AXIAL-0.3115KΩ32R2AXIAL-0.3115KΩ33R3AXIAL-0.312KΩ34R4AXIAL-0.312KΩ35R5AXIAL-0.31300KΩ36R6AXIAL-0.31200KΩ37R7AXIAL-0.311KΩ第4页共5页2010年吉林省中等职业学校电工电子技术技能大赛电子产品装配与调试技能竞赛调试说明装订线序号元件封装数量属性值38R8AXIAL-0.3110KΩ39R9AXIAL-0.3110KΩ40R10AXIAL-0.3110KΩ41R11AXIAL-0.31150KΩ42R12AXIAL-0.316.8KΩ43R13AXIAL-0.31150KΩ44R14AXIAL-0.316.8KΩ45R15AXIAL-0.312KΩ46R16AXIAL-0.312KΩ47R17AXIAL-0.3110KΩ48R18AXIAL-0.3110KΩ49R19AXIAL-0.3151Ω50R20AXIAL-0.3110KΩ51R21AXIAL-0.311KΩ52R22AXIAL-0.311KΩ53R23AXIAL-0.3120KΩ54R24AXIAL-0.311KΩ55R25AXIAL-0.3120KΩ56R26AXIAL-0.31100KΩ57R27AXIAL-0.31100KΩ58R28AXIAL-0.31100KΩ59RELEDSHARE1红外接收管60RP1VR5120KΩ电位器61RP2VR5120KΩ电位器62RP3VR51200KΩ电位器63RP4VR5120KΩ电位器64RP5VR51200KΩ电位器65RP6VR512KΩ电位器66RP7VR512KΩ电位器67SELEDSHARE1红外发射管68U1DIP-141LM32469U2DIP-81P521-270U3DIP81UA74171U4DIP-81LM56772U5SO-G16174LS12373U6T03B1LM31774U7T03B1LM780575VD1DIO7.1-3.9x1.91IN4148第5页共5页2010年吉林省中等职业学校电工电子技术技能大赛电子产品装配与调试技能竞赛调试说明装订线序号元件封装数量属性值76VD2DIO7.1-3.9x1.91IN414877VD3DIO7.1-3.9x1.91IN4148五、附图2电路原理图元件属性表序号DesignatorFootprintLibRefCommentLibrary1C1RAD-0.2Cap0.1UfMiscellaneousDevices.IntLib2C2RAD-0.2Cap0.1uFMiscellaneousDevices.IntLib3C3CAPPR2-5x6.8CapPol1100uFMiscellaneousDevices.IntLib4J1HDR1X2Header2MiscellaneousConnectors.IntLib5J2HDR1X2Header2MiscellaneousConnectors.IntLib6J3HDR1X2Header2MiscellaneousConnectors.IntLib7LED1PIN2LED0MiscellaneousDevices.IntLib8LED2PIN2LED0MiscellaneousDevices.IntLib9LED3PIN2LED0MiscellaneousDevices.IntLib10R1AXIAL-0.3Res215KΩMiscellaneousDevices.IntLib11R2AXIAL-0.3Res215KΩMiscellaneousDevices.IntLib12R3AXIAL-0.3Res22KΩMiscellaneousDevices.IntLib13R4AXIAL-0.3Res22KΩMiscellaneousDevices.IntLib14R5AXIAL-0.3Res2300KΩMiscellaneousDevices.IntLib15R6AXIAL-0.3Res2200KΩMiscellaneousDevices.IntLib16R7AXIAL-0.3Res21KΩMiscellaneousDevices.IntLib17R8AXIAL-0.3Res210KΩMiscellaneousDevices.IntLib18R9AXIAL-0.3Res210KΩMiscellaneousDevices.IntLib19R10AXIAL-0.3Res210KΩMiscellaneousDevices.IntLib20R11AXIAL-0.3Res2150KΩMiscellaneousDevices.IntLib21R12AXIAL-0.3Res26.8KΩMiscellaneousDevices.IntLib22R13AXIAL-0.3Res2150KΩMiscellaneousDevices.IntLib23R14AXIAL-0.3Res26.8KΩMiscellaneousDevices.IntLib24R15AXIAL-0.3Res22KΩMiscellaneousDevices.IntLib25R16AXIAL-0.3Res22KΩMiscellaneousDevices.IntLib26R17AXIAL-0.3Res210KΩMiscellaneousDevices.IntLib27R18AXIAL-0.3Res210KΩMiscellaneousDevices.IntLib28RP1VR5RPot20KΩMiscellaneousDevices.IntLib29RP2VR5RPot20KΩMiscellaneousDevices.IntLib30U1DIP-14LM324NLM324STOperationalAmplifier.IntLib31U2自制P521-2自制P521-232VD1DIO7.1-3.9x1.9Diode1N41481N4148MiscellaneousDevices.IntLib33VD2DIO7.1-3.9x1.9Diode1N41481N4148MiscellaneousDevices.IntLib34VD3DIO7.1-3.9x1.9Diode1N41481N4148MiscellaneousDevices.IntLib第6页共5页