仪表技术与传感器
儀錶技術與傳感器
의표기술여전감기
INSTRUMENT TECHNIQUE AND SENSOR
2015年
5期
46-49,52
,共5页
ARM-Linux%红外测油仪%便携%MiniGui%锁相放大%嵌入式
ARM-Linux%紅外測油儀%便攜%MiniGui%鎖相放大%嵌入式
ARM-Linux%홍외측유의%편휴%MiniGui%쇄상방대%감입식
ARM-Linux%infrare d oil content analyzer%portable%MiniGui%lock-in amplifier%embedded
针对传统油类分析检测仪器体积大,需要上位机进行协作的特点,研制了基于ARM-Linux的便携式红外测油仪。该仪器采用S3C2440为主控器,在嵌入式Linux系统下开发了MiniGUI图形用户界面,通过液晶触摸屏来实现对仪器的控制、采集、存储和显示。该系统的硬件由光源、分光模块、信号调制采集模块,A/D转换模块和ARM控制处理模块组成。为了提高信号的精度和采集的抗干扰能力,信号调制模块采用了锁相放大技术,从而获得了较好的检测结果。设计的仪器体积小、稳定性高、重复性好、操作简单、符合国家标准,具有较好的推广价值。
針對傳統油類分析檢測儀器體積大,需要上位機進行協作的特點,研製瞭基于ARM-Linux的便攜式紅外測油儀。該儀器採用S3C2440為主控器,在嵌入式Linux繫統下開髮瞭MiniGUI圖形用戶界麵,通過液晶觸摸屏來實現對儀器的控製、採集、存儲和顯示。該繫統的硬件由光源、分光模塊、信號調製採集模塊,A/D轉換模塊和ARM控製處理模塊組成。為瞭提高信號的精度和採集的抗榦擾能力,信號調製模塊採用瞭鎖相放大技術,從而穫得瞭較好的檢測結果。設計的儀器體積小、穩定性高、重複性好、操作簡單、符閤國傢標準,具有較好的推廣價值。
침대전통유류분석검측의기체적대,수요상위궤진행협작적특점,연제료기우ARM-Linux적편휴식홍외측유의。해의기채용S3C2440위주공기,재감입식Linux계통하개발료MiniGUI도형용호계면,통과액정촉모병래실현대의기적공제、채집、존저화현시。해계통적경건유광원、분광모괴、신호조제채집모괴,A/D전환모괴화ARM공제처리모괴조성。위료제고신호적정도화채집적항간우능력,신호조제모괴채용료쇄상방대기술,종이획득료교호적검측결과。설계적의기체적소、은정성고、중복성호、조작간단、부합국가표준,구유교호적추엄개치。
Due to traditional oil content instrumentation is in-large volume and also requires host computer ,a portable infrared oil content analyzer based on ARM-Linux was developed in this paper.S3C2440 was used as the main controller.The LCD was used as display that depends on MiniGui graphical user interface in an open-source Linux system.By the LCD touch screen,it can control the whole instrument,such as collection,storage and display.The system consists of light source,spectrum module,signal acquisition module,A/D converter module and the ARM control module.In order to improve the detection precision and signal an-ti-interference ability,lock-in amplifier technology was used in signal modulation modules.The new equipment is small ,highly sta-ble,and has high repeatability and high repeatability.It is in line with national standards and is very hopeful in application.