嵌入式超声波热量表系统的研制  

Development of embedded ultrasonic heat meter system

作　　者：凌启东[1] 苏晓龙[1] 王香婷[1] 李裕建[1] 

机构地区：[1]中国矿业大学,江苏徐州221008

出　　处：《计算机工程与设计》2009年第9期2098-2101,共4页Computer Engineering and Design

摘　　要：分析和研究了时差法超声波热量表的测量原理,设计了一种嵌入式超声波热量表系统。以低功耗的嵌入式微处理器MSP430做为核心控制模块,选用先进的时间数字转换芯片TDC-GP2保证了流量的测量精度,将嵌入式操作系统C/OS-Ⅱ引入到软件系统的设计过程中。与传统的热量表相比,系统精度高,耗能低,稳定性、实时性和可扩展性都有很大的提高。The measure theory of time difference ultrasonic heat meter is analyzed and researched,and an embedded ultrasonic heat meter system is designed.The kernel control module is based on low power MSP430 embedded microcomputer.An advanced time-to-digital chip TDC-GP2 is selected to guarantee the measurement precision.The embedded operating system C/OS-Ⅱ is introduced into software system.Compared with the traditional heat meters,measure is more precise,power consumption is lower,and the stability,real-time performance and expansibility are greatly improved.

关 键 词：时差法 焓差法 MSP430F1611 TDC-GP2 嵌入式操作系统 C/OS-Ⅱ 

分 类 号：TP271[自动化与计算机技术—检测技术与自动化装置]