电子测试
電子測試
전자측시
ELECTRONIC TEST
2015年
8期
28-30,34
,共4页
超声波检测%热能表%MSP430F413%TDC-GP2
超聲波檢測%熱能錶%MSP430F413%TDC-GP2
초성파검측%열능표%MSP430F413%TDC-GP2
Ultrasonic measurement%Calorimeter%MSP430F413%TDC-GP2
针对我国热能表的应用现状,提出了适合我国实际需求的基于超声波检测的新型热能表方案。采用TDC-GP2芯片的内嵌时差法逻辑测量技术和П型管延长超声波声程技术使超声波传播时差测量精度达到纳秒级,设计了基于MSP430F413的热能表系统,并完成了系统硬件电路和软件流程的设计。新型热能表在技术上是先进的,在经济上是可行的,并提高了热量计量的准确性与可靠性。
針對我國熱能錶的應用現狀,提齣瞭適閤我國實際需求的基于超聲波檢測的新型熱能錶方案。採用TDC-GP2芯片的內嵌時差法邏輯測量技術和П型管延長超聲波聲程技術使超聲波傳播時差測量精度達到納秒級,設計瞭基于MSP430F413的熱能錶繫統,併完成瞭繫統硬件電路和軟件流程的設計。新型熱能錶在技術上是先進的,在經濟上是可行的,併提高瞭熱量計量的準確性與可靠性。
침대아국열능표적응용현상,제출료괄합아국실제수구적기우초성파검측적신형열능표방안。채용TDC-GP2심편적내감시차법라집측량기술화П형관연장초성파성정기술사초성파전파시차측량정도체도납초급,설계료기우MSP430F413적열능표계통,병완성료계통경건전로화연건류정적설계。신형열능표재기술상시선진적,재경제상시가행적,병제고료열량계량적준학성여가고성。
According to the application of the calorimeter in our country,the new-type calorimeter’s technique scheme based on the ultrasonic measuring and met the actual demand of our country is researched in this paper.The chip TDC-GP2 which imbedding time-interval logic measuring technique is used andП pipeline technique which extending the distance of dissemination of the ultrasonic to upgrade the dissemination time difference measure accuracy of ultrasonic to nanosecond.The calorimeter system which based on MSP430F413 is designed,the hardware circuit and software flow design are designed.The new-type calorimeter which based on the ultrasonic measuring is advanced in technology and financially feasible, increased the accuracy and the reliability.