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單片機(jī)液體點(diǎn)滴速度控制裝置設(shè)計(jì)
單片機(jī)液體點(diǎn)滴速度控制裝置設(shè)計(jì)摘要：本系統(tǒng)采用主站控制從站的有線監(jiān)控方式實(shí)現(xiàn)醫(yī)療輸液過程的群控。其中主站采用586PC機(jī)作為主控制器，用Visual Basic 6.0面向?qū)ο蟮?2位可視化高級語言編寫人機(jī)界面，從而使得系統(tǒng)具有界面友好，使用方便的特點(diǎn)。主站能定點(diǎn)和巡回檢測并顯示從站信息，對從站的報(bào)警信息進(jìn)行實(shí)時(shí)提示等。
從站采用單片機(jī)AT89C51作為核心器件來實(shí)現(xiàn)液體滴速的檢測、滴速異常報(bào)警、滴速的設(shè)定及控制等，其軟件采用MCS-51匯編語言實(shí)現(xiàn)。
主站與從站之間的通信采用RS-485總線連接，有效地實(shí)現(xiàn)了主從式網(wǎng)絡(luò)設(shè)計(jì)。在主站的VB設(shè)計(jì)中用到了專用串行通訊控件—MCSComm控件。關(guān)鍵詞：液體點(diǎn)滴；單片機(jī)；串行通訊；VB；RS-485總線
The Single-Chip Controlling Device Designing
Of The Velocity of The TransfusionABSTRACT：The system use the cable surveillance of the home site control subordinate site method to realize the distribute control of the medical transfusion process. We use the 586 PC as the home site controller, and use VB 6.0 the Object-Oriented 32-bit visual programming language to build the man-machine interface, in this way, the system has friendly interface and easy to use characteristics. The home site can detect and display the information of the subordinate site both pointing position and itinerantly, and give a real-time indication of warning information from the subordinate site.
The subordinate site use AT89C51 Single-chip controller as the core instrument to realize the detection of the transfusion current velocity, the abnormal current velocity alarming, the setup and control of the current velocity, etc. This software is built by MCS-51 assembly language programming.
We use the RS-485 bus unit to connect the communication of the home site and the subordinate site, this can greatly realize the home site and subordinate site network design. We use the MCSComm control component as the specially serial communication component in the VB programming of the home site.Keywords: Transfusion；One_chip Computer；Serial Communication；VB；RS-485 Bus Unit..........................
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