交流电磁阀智能控制模块设计

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摘要交流电磁阀是一种结构紧凑、体积小、全封闭的电磁电器,多用在空调制冷等行业中。以空调制冷行业交流电磁阀为控制本体设计智能控制模块,该模块以具有动态自供电功能的离线式开关电源芯片为核心,配合无源分立元件实现交流电磁阀的智能控制,具有交直流通用、宽电压输入、节能无声运行、保护性能完善等优点。开关电源芯片采用动态自供电方式工作无需外加辅助电源,同时又实现了电磁阀的起动闭环控制与保持闭环控制,将模块自身的供电与电磁阀的控制整合到单一芯片中,降低了控制模块的体积和成本。本文建立了详细的控制芯片瞬态仿真模型,对交流电磁阀的闭环起动过程进行仿真分析,结合相关实验,验证了所设计模块的有效性,给出了电磁阀的优化控制方法,取得较好的控制效果,提高了交流电磁阀的工作可靠性和使用寿命。

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	汤龙飞
	许志红

关键词 ：开关电源, 电磁阀, 智能控制, 流限开/关控制模式

Abstract：The AC electromagnetic valve is always used in air-conditioning system and refrigerating system, it's compact structure, small volume and totally closed. This paper designs an intelligent control module for the AC electromagnetic valve, and this module uses off-line switched- mode power supply chip as a core. The chip can dynamic self-supply with a few discrete components, and can realize intelligent control of the electromagnetic valve. With the module control, the AC electromagnetic valve can have the functions as follows: AC or DC general use, wide range input voltage, working silent and saving energy, perfect protection performance, etc. The AC electromagnetic valve can start and keep with closed-loop in DC mode without any auxiliary power supply. This paper analyzes the principle of the closed-loop starting. The experimental results verify the validity of the control module. The small module can make the AC electromagnetic valve more robust and improve the service life at a low cost.

Key words： Switched-mode power supply electromagnetic valves intelligent control current limit on/off control mode

收稿日期: 2013-03-13 出版日期: 2014-11-05

PACS:

TM572.2

基金资助:国家自然科学基金（51277031）和福建省自然科学基金 (2011J01295)资助项目

作者简介: 汤龙飞男,1987年生,博士研究生,研究方向为智能电器及其在线监测。许志红女,1963年生,博士、教授、博士生导师,研究方向为智能电器及其在线监测。

引用本文:

汤龙飞, 许志红. 交流电磁阀智能控制模块设计[J]. 电工技术学报, 2014, 29(5): 246-253. Tang Longfei, Xu Zhihong. Design of an Intelligent Control Module for AC Electromagnetic Valves. Transactions of China Electrotechnical Society, 2014, 29(5): 246-253.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I5/246

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