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| 电磁流量计三值方波励磁信号的控制 | |
| 引用本文： | 王经卓. 电磁流量计三值方波励磁信号的控制[J]. 微计算机信息, 2011, 0(6): 26-27,80 |
| 作者姓名： | 王经卓 |
| 作者单位： | 淮海工学院电子工程学院; |
| 摘 要： | 电磁流量计是一种根据法拉第电磁感应定律来测量管内导电介质体积流量的感应式仪表。本文在分析电磁流量计的励磁信号种类和特点的基础上,选择了低频三值矩形方波作为电磁流量计的励磁信号,设计了电磁流量计的励磁线圈,并分析了线圈的物理和几何参数,在此基础上设计励磁系统硬件电路,包括电源、固态继电器、控制器Labjack的选型和控制方法等。最后设计了低频三值方波的控制程序,为电磁流量计提供了一种性能良好的励磁控制方案。 |
| 关 键 词： | 电磁流量计 低频三值矩形波 励磁方式 励磁线圈 Labjack |
Control of Excitation Signal with Three-value Square Wave for Electromagnetic Flowmeter |
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| WANG Jing-zhuo. Control of Excitation Signal with Three-value Square Wave for Electromagnetic Flowmeter[J]. Control & Automation, 2011, 0(6): 26-27,80 | |
| Authors: | WANG Jing-zhuo |
| Affiliation: | WANG Jing-zhuo(School of Electronic Engineering,Huaihai Institute of Technology,Lianyungang 222005,China) |
| Abstract: | Electromagnetic flowmeter is an induction type instrument which is based on Faraday's induction law to measure volume and flow of the conductive medium in the duct.This paper studies the exciting types and characteristics of excitation signal of electromagnetic flowmeter.The low-frequency three-value square wave was selected as the excitation signal.The excitation coils were designed.Their phsical and geometrical parameters were analyzed.On this basis,the hardware circuit of excitation system was designed,w... |
| Keywords: | electromagnetic flowmeter low-frequency three-value square wave excitation mode excitation coils Labjack |
| 本文献已被 CNKI 等数据库收录！ | |