| 时差法超声流量计低功耗设计方法的研究 |
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| 引用本文： | 刘强,王让定,姚灵,左富强.时差法超声流量计低功耗设计方法的研究[J].宁波大学学报(理工版),2012(2):37-41. |
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| 作者姓名： | 刘强 王让定 姚灵 左富强 |
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| 作者单位： | 宁波大学信息科学与工程学院;宁波水表股份有限公司 |
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| 基金项目： | 浙江省优先主题重点工业项目(2010C11025);浙江省教育厅重大攻关项目(ZD2009012);宁波市重大科技攻关项目(2009B10003) |
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| 摘 要： | 针对时差法超声流量计系统的功耗问题,设计使用MSP430F449单片机为系统核心,硬件上采用多个独立电源为系统的不同模块供电,实现对相关模块的独立控制;软件上通过对单片机内部寄存器的合理设置,实现系统对时钟频率、时间计量以及LCD、按键等模块的精确控制.
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| 关 键 词： | 时差法超声流量计 MSP430F449 低功耗 |
Low-power Design Method of Time Difference Ultrasonic Flow Meter |
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| LIU Qiang,WANG Rang-ding,YAO Ling,ZUO Fu-qiang.Low-power Design Method of Time Difference Ultrasonic Flow Meter[J].Journal of Ningbo University(Natural Science and Engineering Edition),2012(2):37-41. |
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| Authors: | LIU Qiang WANG Rang-ding YAO Ling ZUO Fu-qiang |
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| Affiliation: | 1.Faculty of Information Science and Engineering,Ningbo University,Ningbo 315211,China;2.Ningbo Water Meter Co.Ltd.,Ningbo 315211,China) |
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| Abstract: | To tackle the problem with power consumption of time difference ultrasonic flow meter system,a system is designed with the MSP430F449 microcontroller.For the hardware part,the system supplies multiple independent power to the various modules,so that it can achieve independent control of the relevant modules;for the software part,with a set of the internal registers on the microcontroller,it can achieve a precise control to the system clock frequency,time measurement,LCD,button module and so on. |
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| Keywords: | time difference ultrasonic flow meter MSP430F449 low power consumption |
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