Xaar-128喷头驱动硬件设计.pdf

学兔兔 机械工程师 MECHANlCAL E卜jG{NEER Xaar一128喷头驱动硬件设计 王明伟。 胡德计 (天津职业技术师范大学 机械工程学院，天津 300222 Hardware Circuit Deign of Xaar—-128 Nozzle Drive WANG Mingwei， HU Deji (Tia州in University ofTechnology anti Education， rianjin 300222，China) Abstract：This paper designs the nozzle control module in the industrial printing machine．This nozzle control module is an independent module of the inkiet printer，in which C8051F120 MCU is used as the CPU to eontrol nozzle print，a serial pod is used to communicate with uppel’machine．The nozzle control module designed in this paper includes the construction and programming of the hardware circuit．Software control interface iS used to verifv the drive function of nozzle．At present，most of the inkjet printers in the market adopts integral structure，which leads to inconvenient maintenance and lower(1evelopment performance．This paper separates the nozzle independent module from the main board t(／reduce the maintenance cost and greatly improve the bl’oad development performance． l、he new structure has broad market prospects and development potentia1． Key words：inkjet printer；nozzle Xaar-1 28；C805 l F I 20；RS-485 communication 0 引 言 2 硬件设计内容 喷码标识设备在工业上应用广泛，喷码机己经成为 本次设计的电路连接总框图如图1所示，本次设计 标识设备的重要组成部分。生产企业采用喷码机替代人 电源模块、复位模 1-喷印．提高生产效率，满足大规模生产的要求，但喷码 块、外RAM存储模 机产品大体上始终存在以下问题 ：1)喷印解析度低，无 块、仿真器接口模 法喷印分辨率较高的条形码、复杂商标等；2)采用低速控 块、串