医疗装备
醫療裝備
의료장비
MEDICAL EQUIPMENT
2015年
6期
10-12,13
,共4页
高频电刀%单片机%USART%SPI%CPLD
高頻電刀%單片機%USART%SPI%CPLD
고빈전도%단편궤%USART%SPI%CPLD
high-frequency electric knife%MCU%USART%SPI%CPLD
针对高频电刀具有的结构比较复杂,采集和控制的数据量比较多的难点,提出了一种在多个单片机结构下的医用高频电刀设计及其配套的自动测试系统。数据采集、主控制、射频控制、用户界面分别采用独立的单片机控制。各个单片机之间分工协同工作,通过串行接口USART和SPI,并根据约定的通信协议进行通信;射频产生电路由负责射频控制的单片机控制复杂可编程逻辑器件( CPLD),从而产生控制功率驱动电路的方波。经测试,该系统输出频率稳定,系统参数灵活可调,且提高了高频电刀的实时性和安全性。
針對高頻電刀具有的結構比較複雜,採集和控製的數據量比較多的難點,提齣瞭一種在多箇單片機結構下的醫用高頻電刀設計及其配套的自動測試繫統。數據採集、主控製、射頻控製、用戶界麵分彆採用獨立的單片機控製。各箇單片機之間分工協同工作,通過串行接口USART和SPI,併根據約定的通信協議進行通信;射頻產生電路由負責射頻控製的單片機控製複雜可編程邏輯器件( CPLD),從而產生控製功率驅動電路的方波。經測試,該繫統輸齣頻率穩定,繫統參數靈活可調,且提高瞭高頻電刀的實時性和安全性。
침대고빈전도구유적결구비교복잡,채집화공제적수거량비교다적난점,제출료일충재다개단편궤결구하적의용고빈전도설계급기배투적자동측시계통。수거채집、주공제、사빈공제、용호계면분별채용독립적단편궤공제。각개단편궤지간분공협동공작,통과천행접구USART화SPI,병근거약정적통신협의진행통신;사빈산생전로유부책사빈공제적단편궤공제복잡가편정라집기건( CPLD),종이산생공제공솔구동전로적방파。경측시,해계통수출빈솔은정,계통삼수령활가조,차제고료고빈전도적실시성화안전성。
Because of the high frequency electric knife structure is more complex, data acquisition and control than more difficul-ty, we propose a high-frequency electric knife designed for medical and supporting the automatic test system under multiple MCU structure.Data acquisition, master control, radio control, user interface were used to separate MCU control.The division of work be-tween the various microcontroller via a serial interface USART, SPI, and communicate communication protocol in accordance with the agreement;RF generator circuit complex programmable logic device ( CPLD) is responsible for radio-controlled by the MCU control, power driver circuit to generate control the square wave.After testing, the system output frequency stability, flexible and adjustable system parameters, and to improve the high-frequency electric knife timeliness and safety.