设计了一种基于STM32的4路双对通道定循环次数气动或液动压力装置定时充排系统,主要对管路中的电磁阀进行定时开或关。在STM32中移植了FATFS文件系统、UCOSIII操作系统和emWIN图形设计系统,系统设置的数据保存在W25Q64中,采用电阻式触摸屏和LCD进行界面操作和显示。设计制作了系统桌面、屏幕校准、监视器、系统设置、手动操作和关于系统共6个界面。通过操作系统定时函数和定时计数,全局变量设计了两种定时逻辑,可进行高压和低压两种定时模式的选择,而在手动操作模式下,系统关闭充电磁阀,只进行充排过程定时。结果表明,系统运行良好,能够根据设置准确地完成定时充排任务,可应用于多种气动或液动压力装置中。
Abstract
A timing charging and discharging system of pneumatic or hydraulic pressure device based on STM32 is designed, which mainly opens or closes the solenoid valve in the pipeline. FATFS file system, UCOSIII OS and emWin graphic design system are transplanted into STM32. The data of system settings are saved in W25Q64. The interface operation and display are carried out by resistive touch screen and LCD. Six interfaces including system desktop, screen calibration, monitor, system setting, manual operation and about the system are designed and manufactured. Two kinds of timing logic are designed by timing function and global variable of timing count, which can select two timing modes of high pressure and low pressure. In manual operation mode, the system closes the charging valve and performs exhaust timing only. The results show that the device can be used accurately in many kinds of pneumatic or hydraulic pressure charging and discharging tasks.
关键词
电磁阀 ;
STM32 ;
UCOSIII ;
触摸屏 ;
定时器
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Key words
solenoid valve ;
STM32 ;
UCOSIII ;
touch screen ;
timer
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