CN102506215A - 一种有关阀门电动执行器的无声三位浮点开关控制转换器 - Google Patents
一种有关阀门电动执行器的无声三位浮点开关控制转换器 Download PDFInfo
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CN 201210001076 CN102506215B (zh) | 2012-01-04 | 2012-01-04 | 一种有关阀门电动执行器的无声三位浮点开关控制转换器 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5884279A (ja) * | 1981-11-13 | 1983-05-20 | Toshiba Corp | 半導体式電動弁制御装置 |
JP2001221201A (ja) * | 2000-02-04 | 2001-08-17 | Yokogawa Electric Corp | 電空ポジショナ |
US6519508B1 (en) * | 1999-04-19 | 2003-02-11 | Yokogawa Electric Corporation | Valve positioner and current-to-pneumatic converter |
CN1746547A (zh) * | 2004-09-10 | 2006-03-15 | 上海阀特流体控制阀门有限公司 | 智能总线气动调节阀 |
CN1947078A (zh) * | 2004-04-21 | 2007-04-11 | 费希尔控制产品国际有限公司 | 利用控制环路操作控制阀并对该控制环路执行诊断的方法和装置 |
CN201210670Y (zh) * | 2008-06-18 | 2009-03-18 | 天津精通控制仪表技术有限公司 | 开关电路 |
CN202531959U (zh) * | 2012-01-04 | 2012-11-14 | 上海龙创自控系统有限公司 | 一种有关阀门电动执行器的无声三位浮点开关控制转换器 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5884279A (ja) * | 1981-11-13 | 1983-05-20 | Toshiba Corp | 半導体式電動弁制御装置 |
US6519508B1 (en) * | 1999-04-19 | 2003-02-11 | Yokogawa Electric Corporation | Valve positioner and current-to-pneumatic converter |
JP2001221201A (ja) * | 2000-02-04 | 2001-08-17 | Yokogawa Electric Corp | 電空ポジショナ |
CN1947078A (zh) * | 2004-04-21 | 2007-04-11 | 费希尔控制产品国际有限公司 | 利用控制环路操作控制阀并对该控制环路执行诊断的方法和装置 |
CN1746547A (zh) * | 2004-09-10 | 2006-03-15 | 上海阀特流体控制阀门有限公司 | 智能总线气动调节阀 |
CN201210670Y (zh) * | 2008-06-18 | 2009-03-18 | 天津精通控制仪表技术有限公司 | 开关电路 |
CN202531959U (zh) * | 2012-01-04 | 2012-11-14 | 上海龙创自控系统有限公司 | 一种有关阀门电动执行器的无声三位浮点开关控制转换器 |
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