液氮冷冻刀温度检测与显示系统实现  

The realization of temperature detection and display system of cryoprobe

作　　者：王震[1] 田学隆[1] 倪润明[1] 童明伟[2] 王槐志[3] 

机构地区：[1]重庆大学生物工程学院,重庆400030 [2]重庆大学动力工程学院,重庆400030 [3]第三军医大学西南医院全军肝胆外科研究所,重庆400038

出　　处：《低温与超导》2013年第11期9-13,共5页Cryogenics and Superconductivity

基　　金：重庆市重点科技攻关项目(CSTC2010AA5049)资助

摘　　要：针对液氮冷冻设备监测和控制的需要,以单片机STC12C5410AD为控制核心,采用K型热电偶传感器为测温元件,设计并实现了液氮冷冻刀的温度检测与显示系统。最后将液氮冷冻刀刀头放入不同温度的介质中,对系统进行了验证,结果表明:系统测得的温度值与红外测温仪测得的温度值基本吻合,满足冷冻设备要求,具有一定的临床应用价值。In order to meet the needs of low temperature refrigeration equipment monitoring and control,STC12C5410AD MCU as control core,using type K thermocouple sensor for temperature measurement components,design and realize the detection and display system of liquid nitrogen cryoprobe.Finally making liquid nitrogen cryoprobe cutter into the medium of different temperature,the system is verified,the results show that the system measured temperature and infrared thermometer temperature are basic same and meet the refrigeration equipment requirements,which have certain clinical value.

关 键 词：冷冻刀 K型热电偶 温度 热电动势 

分 类 号：TS205.7[轻工技术与工程—食品科学]