KR102249785B1 - 압력센서 - Google Patents
압력센서 Download PDFInfo
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- KR102249785B1 KR102249785B1 KR1020197029432A KR20197029432A KR102249785B1 KR 102249785 B1 KR102249785 B1 KR 102249785B1 KR 1020197029432 A KR1020197029432 A KR 1020197029432A KR 20197029432 A KR20197029432 A KR 20197029432A KR 102249785 B1 KR102249785 B1 KR 102249785B1
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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
- 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
- G01L9/0054—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements integral with a semiconducting diaphragm
-
- 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
- G01L19/069—Protection against electromagnetic or electrostatic interferences
-
- 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
-
- 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
- G01L19/0046—Fluidic connecting means using isolation membranes
-
- 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
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
도 2a는, 도 1에 나타내는 압력센서의 방전 부분을 확대하여 나타내는 종단면도이다.
도 2b는, 도 2a에 나타내는 실드판의 평면도이다.
도 2c는, 도 2b에 나타내는 IIC-IIC선을 따른 단면도이다.
도 3a는, 본 발명의 압력센서의 제1 실시형태인 액봉형의 압력센서의 전위조정부재의 근방을 확대하여 나타내는 종단면도이다.
도 3b는, 도 3a에 나타내는 실드판의 평면도이다.
도 3c는, 도 3b에 나타내는 IIIC-IIIC선을 따른 단면도이다.
도 4a는, 본 발명의 압력센서의 제2 실시형태인 액봉형의 압력센서의 전위조정부재의 근방을 확대하여 나타내는 종단면도이다.
도 4b는, 도 4a에 나타내는 실드판의 평면도이다.
도 4c는, 도 4b에 나타내는 IVC-IVC선을 따른 단면도이다.
도 5a는, 본 발명의 압력센서의 제3 실시형태인 액봉형의 압력센서의 전위조정부재의 근방을 확대하여 나타내는 종단면도이다.
도 5b는, 도 5a에 나타내는 실드판의 평면도이다.
도 5c는, 도 5b에 나타내는 VC-VC선을 따른 단면도이다.
도 6a는, 실드판의 외주부분의 가공방법의 변경을 설명하는 도면으로서, 종래의 펀칭 가공의 단면도이다.
도 6b는, 하프 펀칭 가공의 단면도이다.
도 6c는, 하프 펀칭-펀칭 아웃 가공의 단면도이다.
110: 유체도입부
111: 이음매부재
111a: 암나사부
111b: 포트
112: 베이스 플레이트
1112A: 압력실
120: 압력검출부
121: 하우징
122: 다이어프램
123: 다이어프램 보호커버
123a: 연통구멍
124: 헤르메틱 글라스
124A: 액봉실
125: 지주
125A: 접착제층
126: 압력검출소자
126a: 본딩와이어
127, 327, 427, 527: 전위조정부재
127A, 327A, 427A, 527A: 프레임
127Aa, 327Aa, 427Aa: 오목부
127B, 327B, 427B, 527B: 실드판
127Ba, 327Ba, 427Ba, 527Ba: 연통구멍
128: 리드핀
129: 오일충전용 파이프
130: 신호송출부
131: 단자대
132: 접속단자
132a: 접착제
133: 전선
133a: 심선
134: 정전기 보호층
134a: 접착층
134b: 피복층
134c: 부분
140: 커버부재
141: 방수케이스
142: 단자대캡
143: 밀봉제
427Bb, 527Bb: 오목부
Claims (10)
- 압력 검출되는 유체가 도입되는 압력실과, 봉입 오일이 충전된 액봉실을 구획하는 금속제의 다이어프램과,
상기 액봉실의 주위에 배치되는 금속제의 하우징과,
상기 액봉실에 액봉되고, 상기 다이어프램, 및 상기 봉입 오일을 통하여, 상기 유체의 압력을 검출하는 압력검출소자와,
상기 액봉실에 있어서, 상기 압력검출소자와, 상기 다이어프램, 및 상기 하우징과의 사이에 배치되며, 도전성을 가지고 상기 압력검출소자의 제로 전위의 단자에 접속되는 전위조정부재를 구비하고,
상기 전위조정부재와, 상기 다이어프램, 및 상기 하우징과의 사이의 거리가, 소정의 절연거리보다 떨어져서 구성되고,
상기 전위조정부재는,
상기 압력검출소자의 제로 전위에 접속된 금속제의 프레임과,
상기 다이어프램과 상기 압력검출소자와의 사이에 배치되는 금속제의 실드판으로 구성되고,
상기 실드판의 외주는 하프 펀칭-펀칭 아웃 가공에 의하여 형성되고,
상기 프레임은 상기 액봉실의 주위에 배치된 헤르메틱 글라스에 고정되어 있고,
상기 프레임과 상기 실드판은, 상기 액봉실의 내부에 배치된 상기 압력검출소자를 덮도록 용접에 의하여 접속되는 것을 특징으로 하는 압력센서. - 제 1 항에 있어서,
상기 소정의 절연거리는, 0.6mm 이상인 것을 특징으로 하는 압력센서. - 제 1 항에 있어서,
상기 소정의 절연거리는, 1.0mm 이상인 것을 특징으로 하는 압력센서. - 삭제
- 제 1 항에 있어서,
상기 프레임은, 상기 압력실측에 오목부를 가지는 형상으로 형성되고,
상기 실드판은, 평판 형상으로 형성되는 것을 특징으로 하는 압력센서. - 제 1 항에 있어서,
상기 프레임은, 상기 압력실측에 오목부를 가지는 형상으로 형성되고,
상기 실드판은, 상기 압력실에 대향하는 측에 오목부를 가지는 형상으로 형성되는 것을 특징으로 하는 압력센서. - 제 1 항에 있어서,
상기 프레임은, 평판 형상으로 형성되고,
상기 실드판은, 상기 압력실에 대향하는 측에 오목부를 가지는 형상으로 형성되는 것을 특징으로 하는 압력센서. - 제 1 항에 있어서,
상기 실드판의 외주는, 상기 프레임의 외주보다 동일하거나 외측이 되도록 형성되는 것을 특징으로 하는 압력센서. - 삭제
- 삭제
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2017-076906 | 2017-04-07 | ||
JP2017076906A JP6527193B2 (ja) | 2017-04-07 | 2017-04-07 | 圧力センサ |
PCT/JP2018/009220 WO2018186107A1 (ja) | 2017-04-07 | 2018-03-09 | 圧力センサ |
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KR20190126120A KR20190126120A (ko) | 2019-11-08 |
KR102249785B1 true KR102249785B1 (ko) | 2021-05-10 |
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US (1) | US11131594B2 (ko) |
EP (1) | EP3608646B1 (ko) |
JP (1) | JP6527193B2 (ko) |
KR (1) | KR102249785B1 (ko) |
CN (1) | CN110494729B (ko) |
WO (1) | WO2018186107A1 (ko) |
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WO2019150749A1 (ja) * | 2018-01-30 | 2019-08-08 | 日本電産コパル電子株式会社 | 圧力センサとその製造方法 |
US11480488B2 (en) * | 2018-09-28 | 2022-10-25 | Rosemount Inc. | Industrial process transmitter with radiation shield |
JP2021056071A (ja) * | 2019-09-30 | 2021-04-08 | 株式会社不二工機 | 圧力検出ユニット及びこれを用いた圧力センサ |
US11428593B2 (en) * | 2019-11-20 | 2022-08-30 | Honeywell International Inc. | Methods and apparatuses for providing freeze resistant sensing assembly |
JP7431094B2 (ja) | 2020-04-10 | 2024-02-14 | 株式会社鷺宮製作所 | 圧力センサ |
JP7433210B2 (ja) * | 2020-12-23 | 2024-02-19 | 株式会社鷺宮製作所 | 圧力センサ |
CN118424539B (zh) * | 2024-07-02 | 2024-10-18 | 宁波中车时代传感技术有限公司 | 一种压力传感器及制作方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003302300A (ja) * | 2001-11-20 | 2003-10-24 | Saginomiya Seisakusho Inc | 圧力センサ |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3910646A1 (de) * | 1989-04-01 | 1990-10-04 | Endress Hauser Gmbh Co | Kapazitiver drucksensor und verfahren zu seiner herstellung |
EP0658754B1 (de) * | 1993-12-14 | 1997-07-30 | ENVEC Mess- und Regeltechnik GmbH + Co. | Druckmessanordnung |
JP4124867B2 (ja) * | 1998-07-14 | 2008-07-23 | 松下電器産業株式会社 | 変換装置 |
JP2006078417A (ja) * | 2004-09-13 | 2006-03-23 | Toyoda Mach Works Ltd | 圧力センサ |
JP4049160B2 (ja) * | 2005-03-16 | 2008-02-20 | ヤマハ株式会社 | 蓋体フレーム、半導体装置、及びその製造方法 |
JP5490349B2 (ja) * | 2006-05-24 | 2014-05-14 | 株式会社デンソー | 圧力センサ |
WO2009087767A1 (ja) * | 2008-01-10 | 2009-07-16 | Saginomiya Seisakusho, Inc. | 圧力センサ及びその製造方法 |
CN201173834Y (zh) * | 2008-01-31 | 2008-12-31 | 南京高华科技有限公司 | 小体积高过载全不锈钢充油结构压力传感器 |
US8330239B2 (en) * | 2009-04-29 | 2012-12-11 | Freescale Semiconductor, Inc. | Shielding for a micro electro-mechanical device and method therefor |
DE202009013919U1 (de) * | 2009-10-14 | 2010-06-24 | Keller AG für Druckmeßtechnik | Drucktransmitter |
JP2014055826A (ja) * | 2012-09-12 | 2014-03-27 | Saginomiya Seisakusho Inc | 圧力センサ |
JP5651670B2 (ja) * | 2012-10-25 | 2015-01-14 | 株式会社鷺宮製作所 | 圧力検知ユニット |
EP3159670B1 (en) | 2014-06-17 | 2023-07-19 | Saginomiya Seisakusho, Inc. | Pressure detection device comprising a sensor unit |
DE102014115802A1 (de) * | 2014-10-30 | 2016-05-04 | Endress + Hauser Gmbh + Co. Kg | Kapazitiver Drucksensor und Verfahren zu dessen Herstellung |
DK3124947T3 (en) * | 2015-07-31 | 2019-04-01 | Kistler Holding Ag | PRESSURE SENSOR |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003302300A (ja) * | 2001-11-20 | 2003-10-24 | Saginomiya Seisakusho Inc | 圧力センサ |
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EP3608646A1 (en) | 2020-02-12 |
WO2018186107A1 (ja) | 2018-10-11 |
US20200182724A1 (en) | 2020-06-11 |
CN110494729B (zh) | 2023-12-05 |
US11131594B2 (en) | 2021-09-28 |
EP3608646A4 (en) | 2020-06-17 |
JP2018179649A (ja) | 2018-11-15 |
CN110494729A (zh) | 2019-11-22 |
KR20190126120A (ko) | 2019-11-08 |
EP3608646B1 (en) | 2021-07-21 |
JP6527193B2 (ja) | 2019-06-05 |
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