煤田地质与勘探
煤田地質與勘探
매전지질여감탐
COAL GEOLOGY & EXPLORATION
2014年
6期
105-109
,共5页
空心包体应力计%温度补偿%温度传感器
空心包體應力計%溫度補償%溫度傳感器
공심포체응력계%온도보상%온도전감기
hollow inclusion stress gauge%temperature compensation%temperature sensor
空心包体应力计广泛用于测量地应力,目前采用热敏电阻进行完全温度自补偿。通过对热敏电阻和 DS18B20温度传感器进行综合比较和分析,发现采用 DS18B20测量工作应变片的温度变化更有优势。设计了一种使用DS18B20作为敏感元件的测温电路系统,采用单片机进行控制,数码管进行显示,经实验室试验校核及在煤矿现场应用,证明了其可靠性和可行性。
空心包體應力計廣汎用于測量地應力,目前採用熱敏電阻進行完全溫度自補償。通過對熱敏電阻和 DS18B20溫度傳感器進行綜閤比較和分析,髮現採用 DS18B20測量工作應變片的溫度變化更有優勢。設計瞭一種使用DS18B20作為敏感元件的測溫電路繫統,採用單片機進行控製,數碼管進行顯示,經實驗室試驗校覈及在煤礦現場應用,證明瞭其可靠性和可行性。
공심포체응력계엄범용우측량지응력,목전채용열민전조진행완전온도자보상。통과대열민전조화 DS18B20온도전감기진행종합비교화분석,발현채용 DS18B20측량공작응변편적온도변화경유우세。설계료일충사용DS18B20작위민감원건적측온전로계통,채용단편궤진행공제,수마관진행현시,경실험실시험교핵급재매광현장응용,증명료기가고성화가행성。
The hollow inclusion stress gauge is widely used in measurement of ground stress, now the method which uses thermistor for complete temperature compensation is widely adopted. Through comprehensive comparison and analysis of the thermistor and temperature sensor DS18B20, it was found that DS18B20 is more suitable. A circuit system for temperature measurement using DS18B20 as the sensor was designed, controlled by single chip microcomputer with digital tube display. The circuit, verified in laboratory experiment, has been successfully applied in mines.