發(fā)布時(shí)間：2018-02-25 21:02

  本文關(guān)鍵詞： 步進(jìn)電機(jī) 單片機(jī) 遙控收發(fā)電路 霍爾傳感器　出處：《中國海洋大學(xué)》2011年碩士論文　論文類型：學(xué)位論文

【摘要】：醫(yī)院里造影劑的注入應(yīng)用廣泛。目前醫(yī)院放射科的各種造影檢查，從注射造影劑，，到全程檢查、造影拍片過程，都是在放射室內(nèi)進(jìn)行，時(shí)間長達(dá)數(shù)十分鐘。給長期工作在放射科的醫(yī)生造成很大的危害。迫切需要對現(xiàn)在X射線下手推注射造影劑的方法進(jìn)行更新。 本文設(shè)計(jì)的醫(yī)用造影劑專用泵控制系統(tǒng)，以單片機(jī)為核心控制步進(jìn)電機(jī)，實(shí)現(xiàn)全自動(dòng)、多功能隔室遙控的造影劑專用泵，代替了原來完全手動(dòng)的造影劑注射。單片機(jī)是系統(tǒng)控制的核心，來自微動(dòng)行程開關(guān)、傳感器的檢測信號及遙控接收信號，均經(jīng)單片機(jī)判斷處理后，輸出為數(shù)碼管顯示及驅(qū)動(dòng)步進(jìn)電機(jī)等多種控制信號。本控制系統(tǒng)的設(shè)計(jì)實(shí)現(xiàn)了醫(yī)務(wù)人員的遠(yuǎn)距離隔室遙控，具有造影過程中的藥液量兩地顯示，可任意兩地控制起停及造影劑流速快慢等功能，以及各種狀態(tài)聲光報(bào)警等特點(diǎn)。減輕了醫(yī)務(wù)人員勞動(dòng)強(qiáng)度，避免了X射線的對工作人員的輻射，提高了工作效率，減輕了病人的痛苦。 在整體方案設(shè)計(jì)中，在保證設(shè)計(jì)的系統(tǒng)能達(dá)到的使用要求和穩(wěn)定度的前提下，考慮到系統(tǒng)的實(shí)用性、可靠性，對電路系統(tǒng)進(jìn)行了優(yōu)化，并根據(jù)系統(tǒng)的硬件設(shè)計(jì)和控制要求，設(shè)計(jì)編寫了單片機(jī)主程序、步進(jìn)電機(jī)驅(qū)動(dòng)程序、按鍵控制程序、行程與限位控制程序、數(shù)碼管顯示程序等模塊。在硬件和軟件設(shè)計(jì)中還采用了各種必要的抗干擾措施。
[Abstract]:The injection of contrast media in hospitals is widely used. At present, all kinds of radiographic examinations in the hospital radiology departments, from the injection of contrast media to the whole process of examination and radiography, are carried out in the radiation room. It lasts for dozens of minutes. It does a lot of harm to the doctors who have been working in radiology for a long time. There is an urgent need to update the current methods of X-ray injection. The special pump control system for medical contrast agent is designed in this paper. The stepping motor is controlled by single chip microcomputer, and the special pump for contrast agent is realized by remote control of automatic and multifunctional compartment. The microcontroller is the core of the system control. It comes from the fretting stroke switch, the detection signal of the sensor and the remote control signal, all of which are processed by the single chip microcomputer. The output signals are digital tube display and stepper motor drive. The control system is designed to realize the remote control of the remote compartment of the medical staff, and has the dual display of the amount of liquid in the process of radiography. It can be used in any two places to control the functions of stopping up and stopping and the speed of contrast medium flow, as well as the characteristics of sound and light alarm in various states. It reduces the labor intensity of medical personnel, avoids the radiation of X-ray to the staff, and improves the working efficiency. The pain of the patient was alleviated. In the overall scheme design, the circuit system is optimized according to the hardware design and control requirements of the system, considering the practicability and reliability of the system, on the premise of ensuring the system can meet the requirements of use and stability. The main program of single chip microcomputer, step motor driver program, key control program, stroke and limit control program, digital tube display program and other modules are designed and written. In the design of hardware and software, all kinds of necessary anti-interference measures are also adopted.
【學(xué)位授予單位】：中國海洋大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH38;TP273

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本文編號：1535128