动感霓虹灯毕业论文.doc

摘 要 该动感霓虹灯设计是基于8031单片机、串口联级新型的共阴极驱动芯片—MAX7219霓虹灯扫描控制器，采用环保节能LED及LED灯组以实现个性化的动态显示效果。该设计的动感霓虹灯，整体上可以分为电源模块、显示模块和控制模块三个部分。电源模块采用变压器、桥式整流滤波电路和7805稳压芯片构成，为CPU、EPROM及MAX7219等弱电电路供电。显示模块采用LED及LED灯组，灯线采用独立LED有序排列形成，灯字则采用LED灯组来实现，并用MAX7219来实现恒流驱动，整体效果动感十足，醒目形象。控制模块包括单片机8031、程序存储器EPROM2732、地址锁存器74LS373、地址锁存器74LS138等，完成向显示驱动模块输送扫描花样信号的任务。设计采用新型扫描控制器及MAX7219驱动，具有较高的通用性及很大的实用价值，显示则采用LED实现动感效果，节能环保，经济实用。整体设计成本低廉，实用性强，节能环保，有较高的通用性。 关键词：LED，动感霓虹灯，单片机，扫描控制，软件设计 The Design of Large-scale Dynamic Neon Abstract This design of dynamic Neon light is based on 8031 Single Chip Micyoco, the serial port association level new common cathode drives to move the chip - MAX7219 neon light scanning controller, uses LED and the LED lamp bank realizes the personalized dynamic demonstration effect.This article introduced the design of dynamic neon light, divide into the power source module, the demonstration module and the control module roughly.The power source module uses the transformer, the bridge type rectification filter circuit and 7805 constant voltage chip constitution, is CPU, EPROM and MAX7219 and so on the weak electricity electric circuit power supply.The demonstration module uses LED and the LED lamp bank, the lamp wire uses the independent LED order arrangement formation, the lamp character uses the LED lamp bank to realize, and realizes the constant flow actuation with MAX7219, the overall effect project is full, striking image.The control module including the monolithic integrated circuit 8031, program memory EPROM2732, address latch 74LS373, address latch 74LS138 and so on, completes to the demonstration actuation module transportation scanning pattern signal duty.The design uses the new scanning controller and the MAX7219 actuation, has the high versatility and the very great practical value, demonstrated uses the LED to realize dynamic effect, the economy is practical.The overall design cost is inexpensive, usable, the energy conservation environmental protection, has the high ve