JP5746187B2 - 圧力センサマウントを備えた圧力トランスミッタ - Google Patents
圧力センサマウントを備えた圧力トランスミッタ Download PDFInfo
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- JP5746187B2 JP5746187B2 JP2012532296A JP2012532296A JP5746187B2 JP 5746187 B2 JP5746187 B2 JP 5746187B2 JP 2012532296 A JP2012532296 A JP 2012532296A JP 2012532296 A JP2012532296 A JP 2012532296A JP 5746187 B2 JP5746187 B2 JP 5746187B2
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- pressure
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/145—Housings with stress relieving means
- G01L19/146—Housings with stress relieving means using flexible element between the transducer and the support
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Measuring Fluid Pressure (AREA)
Description
本発明は、工業プロセス制御及びモニタリング用途における使用のための圧力トランスミッタに関する。より具体的には、本発明は、圧力トランスミッタにおいて電気的分離を提供する圧力センサマウントに関する。
本発明は、圧力トランスミッタ中の圧力センサのための、圧力センサを圧力トランスミッタのボディから電気的に分離するために使用することができるマウントを提供する。
Claims (10)
- 圧力計測回路と、
プロセス圧に結合するように構成された圧力カップリングを有する、圧力トランスミッタの金属ボディと、
前記プロセス圧を受け、それに応じて前記プロセス圧に関するセンサ出力を前記圧力計測回路に提供するように構成された圧力センサであって、前記センサ出力が前記計測回路に電気的に結合される圧力センサと、を含み、
前記金属ボディは、
前記金属ボディを貫通する毛管と、
前記毛管の第一端側に設けられ、前記プロセス圧を受けて撓む分離ダイヤフラムと、
前記毛管に充填され、前記分離ダイヤフラムの撓みを伝達するための分離流体と、
前記毛管の第二端側に形成されたセンサマウントと、を含み、
前記センサマウントは、
前記毛管の第二端側に位置するキャビティと、
前記圧力センサに結合された第一端を有し、前記プロセス圧に対応する、その第二端で受けられた印加圧を前記圧力センサに加えるように構成された導電性導管であって、前記キャビティ内に非導電性圧縮接合によって結合されている導電性導管と、
前記キャビティ内における前記金属ボディと前記導電性導管の前記第二端との間に配置され、前記導電性導管を前記圧力トランスミッタの前記金属ボディから電気的に分離するように構成された非導電性スペーサであって、その中に形成され、前記印加圧を前記金属ボディから前記導電性導管に運ぶように配設された開口を有する非導電性スペーサと、
前記キャビティ内に充填された、前記非導電性圧縮接合としての気密シールガラス材と、を含み、
前記導電性導管は、前記気密シールガラス材の熱膨張率よりも低い熱膨張率を有する金属から作製された、圧力トランスミッタ。 - 前記非導電性スペーサが誘電性スペーサを含む、請求項1記載の圧力トランスミッタ。
- 前記導電性導管が前記非導電性スペーサに当接して、それにより、前記非導電性スペーサを所定位置に固定する、請求項1記載の圧力トランスミッタ。
- 前記非導電性スペーサが、前記金属ボディの前記キャビティ中に嵌るように構成されている、請求項1記載の圧力トランスミッタ。
- 前記非導電性スペーサの前記開口が、前記金属ボディの前記毛管と整合しており、それにより、前記印加圧が前記プロセス圧を含む、請求項1記載の圧力トランスミッタ。
- 前記導電性導管が前記圧力センサに結合されている、請求項1記載の圧力トランスミッタ。
- 前記導電性導管の前記第一端と前記圧力センサとの間に配置された圧力センサマウント導管であって、前記印加圧を前記導電性導管から前記圧力センサに加えるように構成された、その中に形成された開口を有する圧力センサマウント導管を含む、請求項1記載の圧力トランスミッタ。
- 前記圧力センサマウント導管が前記導電性導管及び前記圧力センサに結合されている、請求項7記載の圧力トランスミッタ。
- 前記印加圧が基準圧を含む、請求項7記載の圧力トランスミッタ。
- 前記圧力センサがシリコンで形成されている、請求項1記載の圧力トランスミッタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/571,611 | 2009-10-01 | ||
US12/571,611 US8371175B2 (en) | 2009-10-01 | 2009-10-01 | Pressure transmitter with pressure sensor mount |
PCT/US2010/050815 WO2011041481A1 (en) | 2009-10-01 | 2010-09-30 | Pressure transmitter with pressure sensor mount |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013506841A JP2013506841A (ja) | 2013-02-28 |
JP5746187B2 true JP5746187B2 (ja) | 2015-07-08 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012532296A Expired - Fee Related JP5746187B2 (ja) | 2009-10-01 | 2010-09-30 | 圧力センサマウントを備えた圧力トランスミッタ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8371175B2 (ja) |
EP (1) | EP2483653B1 (ja) |
JP (1) | JP5746187B2 (ja) |
CN (2) | CN102369423A (ja) |
WO (1) | WO2011041481A1 (ja) |
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2009
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EP2483653A1 (en) | 2012-08-08 |
US8371175B2 (en) | 2013-02-12 |
CN102369423A (zh) | 2012-03-07 |
JP2013506841A (ja) | 2013-02-28 |
US20110079086A1 (en) | 2011-04-07 |
WO2011041481A1 (en) | 2011-04-07 |
EP2483653B1 (en) | 2020-04-15 |
CN104634506A (zh) | 2015-05-20 |
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