CN102032975A - 用于压力变送器的传感器转换电路 - Google Patents
用于压力变送器的传感器转换电路 Download PDFInfo
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- CN102032975A CN102032975A CN 201010559400 CN201010559400A CN102032975A CN 102032975 A CN102032975 A CN 102032975A CN 201010559400 CN201010559400 CN 201010559400 CN 201010559400 A CN201010559400 A CN 201010559400A CN 102032975 A CN102032975 A CN 102032975A
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- 238000006243 chemical reaction Methods 0.000 title abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000006870 function Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
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CN2010105594008A CN102032975B (zh) | 2010-12-15 | 2010-12-15 | 用于压力变送器的传感器转换电路 |
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CN2010105594008A CN102032975B (zh) | 2010-12-15 | 2010-12-15 | 用于压力变送器的传感器转换电路 |
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CN102032975A true CN102032975A (zh) | 2011-04-27 |
CN102032975B CN102032975B (zh) | 2012-05-23 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104595A (en) * | 1976-12-27 | 1978-08-01 | Borg-Warner Corporation | Signal translating circuit for variable area capacitive pressure transducer |
JPH11271163A (ja) * | 1998-03-20 | 1999-10-05 | Keyence Corp | 圧力計の較正方法及び装置 |
CN201145584Y (zh) * | 2008-01-24 | 2008-11-05 | 伊玛精密电子(苏州)有限公司 | 压力变送器 |
CN101329215A (zh) * | 2008-07-02 | 2008-12-24 | 浙江中控自动化仪表有限公司 | 电容式差压传感器的输出测量电路及测量方法 |
CN101726389A (zh) * | 2008-10-31 | 2010-06-09 | 沈阳仪表科学研究院 | 硅电容智能压力/差压变送器及其测量方法 |
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2010
- 2010-12-15 CN CN2010105594008A patent/CN102032975B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104595A (en) * | 1976-12-27 | 1978-08-01 | Borg-Warner Corporation | Signal translating circuit for variable area capacitive pressure transducer |
JPH11271163A (ja) * | 1998-03-20 | 1999-10-05 | Keyence Corp | 圧力計の較正方法及び装置 |
CN201145584Y (zh) * | 2008-01-24 | 2008-11-05 | 伊玛精密电子(苏州)有限公司 | 压力变送器 |
CN101329215A (zh) * | 2008-07-02 | 2008-12-24 | 浙江中控自动化仪表有限公司 | 电容式差压传感器的输出测量电路及测量方法 |
CN101726389A (zh) * | 2008-10-31 | 2010-06-09 | 沈阳仪表科学研究院 | 硅电容智能压力/差压变送器及其测量方法 |
Non-Patent Citations (2)
Title |
---|
《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 20050815 单继忠 智能变送器设计 1-39 1 , 第4期 2 * |
《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 20061015 陈祥 基于HART协议智能压力变送器的研究和开发 1-77 1 , 第10期 2 * |
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CN102032975B (zh) | 2012-05-23 |
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