JP6340734B2 - 圧力センサ - Google Patents
圧力センサ Download PDFInfo
- Publication number
- JP6340734B2 JP6340734B2 JP2015185684A JP2015185684A JP6340734B2 JP 6340734 B2 JP6340734 B2 JP 6340734B2 JP 2015185684 A JP2015185684 A JP 2015185684A JP 2015185684 A JP2015185684 A JP 2015185684A JP 6340734 B2 JP6340734 B2 JP 6340734B2
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- JP
- Japan
- Prior art keywords
- sensor
- pressure sensor
- holder
- pressure
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
-
- 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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
- G01L9/0044—Constructional details of non-semiconductive diaphragms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
- G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L2009/0066—Mounting arrangements of diaphragm transducers; Details thereof, e.g. electromagnetic shielding means
Description
センサには、略中央部のダイヤフラム部に抵抗体が設けられ、抵抗体の外周側となり押え部に臨む位置に、ホルダ側に向かって突出した凸部が設けられることを特徴とする。
16…ホルダ 18、60、70、80、90…センサ
22…シールリング 34…押え部
38…ベース体 40a〜40d…抵抗体
46…第1保護膜 48…第2保護膜
50、62、72、82…凸部 56…ダイヤフラム部
102…スペーサ
Claims (7)
- 圧力流体の導入される流路を有したボディと、該ボディの端部に設けられ前記流路に臨む薄膜状のダイヤフラム部を有したセラミック製のセンサと、前記センサが内部に収納された状態で前記ボディの端部へと連結されるホルダとを有し、前記ホルダの外縁部に形成された押え部によって前記センサを前記ボディ側へと押圧して固定する圧力センサにおいて、
前記センサには、略中央部の前記ダイヤフラム部に抵抗体が設けられ、該抵抗体の外周側となり前記押え部に臨む位置に、該ホルダ側に向かって突出した凸部が設けられることを特徴とする圧力センサ。 - 請求項1記載の圧力センサにおいて、
前記凸部は、前記センサの周方向に沿って互いに離間した複数設けられることを特徴とする圧力センサ。 - 請求項1又は2記載の圧力センサにおいて、
前記凸部は、前記ボディの軸線方向から見て矩形状又は円形状に形成されることを特徴とする圧力センサ。 - 請求項1〜3のいずれか1項に記載の圧力センサにおいて、
前記抵抗体は保護膜によって覆われることを特徴とする圧力センサ。 - 請求項1〜4のいずれか1項に記載の圧力センサにおいて、
前記ホルダと前記センサとの間に挟持されるスペーサが設けられることを特徴とする圧力センサ。 - 請求項5記載の圧力センサにおいて、
前記スペーサは前記ホルダよりも低硬度の材質から形成されることを特徴とする圧力センサ。 - 請求項1〜6のいずれか1項に記載の圧力センサにおいて、
前記凸部は、前記抵抗体と共にスクリーン印刷で形成されることを特徴とする圧力センサ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015185684A JP6340734B2 (ja) | 2015-09-18 | 2015-09-18 | 圧力センサ |
US15/179,163 US10067021B2 (en) | 2015-09-18 | 2016-06-10 | Pressure sensor having resistive bodies |
DE102016111625.4A DE102016111625A1 (de) | 2015-09-18 | 2016-06-24 | Drucksensor |
TW105120151A TWI687665B (zh) | 2015-09-18 | 2016-06-27 | 壓力感測器 |
KR1020160082626A KR102444872B1 (ko) | 2015-09-18 | 2016-06-30 | 압력센서 |
CN201610506034.7A CN106546376B (zh) | 2015-09-18 | 2016-06-30 | 压力传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015185684A JP6340734B2 (ja) | 2015-09-18 | 2015-09-18 | 圧力センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017058339A JP2017058339A (ja) | 2017-03-23 |
JP6340734B2 true JP6340734B2 (ja) | 2018-06-13 |
Family
ID=58224772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015185684A Active JP6340734B2 (ja) | 2015-09-18 | 2015-09-18 | 圧力センサ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10067021B2 (ja) |
JP (1) | JP6340734B2 (ja) |
KR (1) | KR102444872B1 (ja) |
CN (1) | CN106546376B (ja) |
DE (1) | DE102016111625A1 (ja) |
TW (1) | TWI687665B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5391682B2 (ja) * | 2007-12-28 | 2014-01-15 | 住友化学株式会社 | 化合物、光学フィルム及び光学フィルムの製造方法 |
JP6410105B2 (ja) * | 2015-09-18 | 2018-10-24 | Smc株式会社 | 圧力センサ及びその製造方法 |
DE102016218211A1 (de) * | 2016-09-22 | 2018-03-22 | Robert Bosch Gmbh | Drucksensor zur Erfassung eines Drucks eines fluiden Mediums in einem Messraum |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
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US3258971A (en) * | 1962-01-26 | 1966-07-05 | Edward D Padgett | Stress-strain gauge |
JPS60152949U (ja) | 1984-03-21 | 1985-10-11 | 株式会社東海理化電機製作所 | セラミツク圧力センサ |
JPH041472Y2 (ja) | 1984-11-30 | 1992-01-20 | ||
JPH0731091B2 (ja) | 1987-05-27 | 1995-04-10 | 日本碍子株式会社 | 歪検出器 |
JPH02112201A (ja) * | 1988-10-21 | 1990-04-24 | Hitachi Ltd | 厚膜混成集積回路 |
JP2707717B2 (ja) * | 1989-04-27 | 1998-02-04 | 富士通株式会社 | 混成集積回路 |
JPH0319940U (ja) * | 1989-07-07 | 1991-02-27 | ||
DE4111149A1 (de) * | 1991-04-06 | 1992-10-08 | Bosch Gmbh Robert | Drucksensor |
DE4205264A1 (de) * | 1992-02-21 | 1993-08-26 | Draegerwerk Ag | Messkopf fuer ein druckmessgeraet mit einem drucksensor zur gleichzeitigen betaetigung eines schaltkontaktes |
WO1997032320A1 (en) * | 1996-02-28 | 1997-09-04 | Sigma-Netics, Inc. | Improved strain gauge and method of manufacture |
JPH10132681A (ja) * | 1996-11-01 | 1998-05-22 | Hokuriku Electric Ind Co Ltd | 半導体圧力センサ |
US5974893A (en) * | 1997-07-24 | 1999-11-02 | Texas Instruments Incorporated | Combined pressure responsive transducer and temperature sensor apparatus |
EP0905496A3 (en) * | 1997-09-30 | 1999-10-13 | Matsushita Electric Works, Ltd. | Pressure sensor |
JP2000292283A (ja) | 1999-04-13 | 2000-10-20 | Matsushita Electric Ind Co Ltd | 歪検出装置 |
EP1128172B1 (de) * | 2000-02-22 | 2011-04-06 | Endress + Hauser GmbH + Co. KG | Drucksensor |
JP3410711B2 (ja) * | 2000-07-10 | 2003-05-26 | 株式会社テムテック研究所 | 耐腐食性のダイヤフラム圧力センサ |
US6625029B2 (en) * | 2000-11-06 | 2003-09-23 | Skg Italiana Spa | Sensor unit |
JP4774678B2 (ja) * | 2003-08-29 | 2011-09-14 | 富士電機株式会社 | 圧力センサ装置 |
JP4708711B2 (ja) * | 2004-02-03 | 2011-06-22 | 株式会社デンソー | 圧力センサ |
JP2009085931A (ja) | 2007-10-03 | 2009-04-23 | Valcom:Kk | 圧力センサ |
CN201229217Y (zh) * | 2008-06-10 | 2009-04-29 | 重庆巨合机械有限公司 | 陶瓷芯压力变送器 |
IT1391187B1 (it) * | 2008-08-01 | 2011-11-18 | Eltek Spa | Dispositivo sensore di pressione |
DE102008051400A1 (de) | 2008-10-11 | 2010-06-17 | Metallux Ag | Drucksensor |
EP2395336B1 (en) * | 2010-06-08 | 2018-08-01 | Sensata Technologies, Inc. | Hermetically sealed pressure sensing device |
DE102010061322A1 (de) * | 2010-12-17 | 2012-06-21 | Turck Holding Gmbh | Drucksensor mit Zwischenring |
ITMI20120456A1 (it) * | 2012-03-23 | 2013-09-24 | Microtel Tecnologie Elettroniche S P A | Sensore di pressione ceramico e relativo metodo di produzione, e trasduttore che incorpora un sensore di pressione ceramico |
JP5958691B2 (ja) * | 2012-03-30 | 2016-08-02 | ミネベア株式会社 | 圧力センサ |
CN103868639A (zh) * | 2012-12-12 | 2014-06-18 | 浙江盾安人工环境股份有限公司 | 一种压力变送器 |
US9810594B2 (en) * | 2015-01-08 | 2017-11-07 | Kulite Semiconductor Products, Inc. | Thermally stable high temperature pressure and acceleration optical interferometric sensors |
CN104535253B (zh) * | 2015-01-19 | 2018-05-25 | 北京大学 | 一种高温压力传感器及其加工方法 |
FR3032791B1 (fr) * | 2015-02-18 | 2018-09-07 | L'essor Francais Electronique | Capteur de pression miniature a membrane metallique et procede de fabrication |
JP6410105B2 (ja) * | 2015-09-18 | 2018-10-24 | Smc株式会社 | 圧力センサ及びその製造方法 |
JP6663314B2 (ja) * | 2016-07-08 | 2020-03-11 | アズビル株式会社 | 圧力センサ |
IT201600081649A1 (it) * | 2016-08-03 | 2018-02-03 | Kolektor Microtel S P A | Sensore di pressione piezoresistivo munito di resistore di calibrazione dell’offset |
-
2015
- 2015-09-18 JP JP2015185684A patent/JP6340734B2/ja active Active
-
2016
- 2016-06-10 US US15/179,163 patent/US10067021B2/en active Active
- 2016-06-24 DE DE102016111625.4A patent/DE102016111625A1/de active Pending
- 2016-06-27 TW TW105120151A patent/TWI687665B/zh active
- 2016-06-30 CN CN201610506034.7A patent/CN106546376B/zh active Active
- 2016-06-30 KR KR1020160082626A patent/KR102444872B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
TW201712309A (zh) | 2017-04-01 |
US20170082513A1 (en) | 2017-03-23 |
CN106546376A (zh) | 2017-03-29 |
DE102016111625A1 (de) | 2017-03-23 |
US10067021B2 (en) | 2018-09-04 |
KR20170034300A (ko) | 2017-03-28 |
CN106546376B (zh) | 2020-08-21 |
JP2017058339A (ja) | 2017-03-23 |
TWI687665B (zh) | 2020-03-11 |
KR102444872B1 (ko) | 2022-09-19 |
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