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Study on Opto-electronic Digital Intelligent Detection System of Blood Coagulation Time

Author: WuYongFeng
Tutor: YuHongZuo
School: Chongqing University
Course: Instrument Science and Technology
Keywords: Coagulometer Dual-CPU system PT Dual-port RAM
CLC: TH789
Type: Master's thesis
Year: 2006
Downloads: 16
Quote: 0
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Abstract


Blood coagulation time detection technology , mainly used for the clotting disease diagnosis and pharmaceutically test the anticoagulant effect of the drug to achieve smart real-time , reliable detection of blood clotting time coagulation analyzer has a broad application prospects and important scientific significance and social benefits. Paper combines coagulation analyzer system development status at home and abroad and the actual proposed MCS-51 microcontroller as the core , dual-port RAM (Random Access Memory) for the transmission link between the photoelectric conversion circuit for a dual-CPU system structure of the sensor , the establishment of photoelectric digital - the blood coagulation smart detection system and detection system design and development . The papers using dual-CPU system architecture instead of a single - CPU system structure , designed to improve the reliability of the entire detection system and the detection speed ; build clotting detection system with a low-cost microcontroller as the core , designed to reduce costs . At the same time , communications technology instead of dual-port RAM bit serial communication transmission technology , making the dual CPU detection systems to achieve fast , reliable detection possible . Thesis to complete the work of the following aspects : 1. On the basis of a detailed analysis and discussion of the characteristics of the blood clotting process , a the coagulation detection system overall structural design . 2. Cheap chip microcontroller AT89C51 as the detection system 's main CPU. The main , from the CPU to implement division of labor, mainly from the CPU AD574A fast data acquisition with the completion of the main CPU to complete the the coagulation detection system data processing . 3. The design of the dual-port RAM interface , the interface , Lord, from the CPU between fast data communication ; RS-232 interface is also designed to achieve the communication system and PC . 4. LCD display interface circuit , to display the solidification curve of coagulation indicators and portrayed . 5. The good performance of the photoelectric conversion circuit , in order to achieve capture of the scattered light . 6. The use of assembly language the coagulation detection system software . 7. Coagulation detection system hardware, software debugging , the establishment of the the coagulation detection system experiment device , and live chicken blood PT (Prothrombin Time) indicators detection experiments .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Instruments, meters > Medical and health devices > Other medical devices
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