JP6793928B2 - 圧力センサ - Google Patents
圧力センサ Download PDFInfo
- Publication number
- JP6793928B2 JP6793928B2 JP2019547867A JP2019547867A JP6793928B2 JP 6793928 B2 JP6793928 B2 JP 6793928B2 JP 2019547867 A JP2019547867 A JP 2019547867A JP 2019547867 A JP2019547867 A JP 2019547867A JP 6793928 B2 JP6793928 B2 JP 6793928B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pressure receiving
- receiving portion
- strain
- diaphragm
- 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
-
- 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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- 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
- G01L9/02—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/04—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Description
図1は、本発明の第1実施形態による圧力センサ100の概略斜視図である。図2は、図1のII-II線に沿う圧力センサ100の概略断面図である。
次に、本発明の第2実施形態による圧力センサ100について説明する。本実施形態による圧力センサ100は、アンプユニット6による計測対象流体の圧力Pの算出方法が第1実施形態と相違する。以下、その相違点を中心に説明する。
次に、本発明の第2実施形態による圧力センサ100について説明する。本実施形態による圧力センサ100は、第1受圧部3に加えて第2受圧部4にもひずみゲージ5を取り付けた点が第1実施形態と相違すると共に、さらにアンプユニット6による計測対象流体の圧力Pの算出方法が第1実施形態と相違する。以下、その相違点を中心に説明する。
3 第1受圧部
4 第2受圧部
5 ひずみゲージ(第1ひずみゲージ)
6 アンプユニット
8 第2ひずみゲージ
100 圧力センサ
Claims (1)
- 圧力を受けて変位するダイヤフラムと、
前記ダイヤフラムによって押圧されてひずみが生じる第1受圧部と、
前記第1受圧部のひずみが所定値以上になったときに、当該第1受圧部と共に前記ダイヤフラムによって押圧されてひずみが生じる第2受圧部と、
前記第1受圧部に取り付けられて当該第1受圧部のひずみを検出する第1ひずみゲージと、
前記第2受圧部に取り付けられて当該第2受圧部のひずみを検出する第2ひずみゲージと、
前記第1受圧部のひずみに基づいて、ダイヤフラムに作用する圧力を算出するアンプユニットと、
を備え、
前記アンプユニットは、
前記第2受圧部のひずみに基づいて、前記ダイヤフラムに作用する圧力の計算方法を変更する、
圧力センサ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/037076 WO2019073582A1 (ja) | 2017-10-12 | 2017-10-12 | 圧力センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019073582A1 JPWO2019073582A1 (ja) | 2020-11-05 |
JP6793928B2 true JP6793928B2 (ja) | 2020-12-02 |
Family
ID=66100675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019547867A Active JP6793928B2 (ja) | 2017-10-12 | 2017-10-12 | 圧力センサ |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6793928B2 (ja) |
KR (1) | KR20200066311A (ja) |
CN (1) | CN111316081B (ja) |
DK (1) | DK181276B1 (ja) |
WO (1) | WO2019073582A1 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU555300A1 (ru) * | 1976-01-06 | 1977-04-25 | Предприятие П/Я А-1891 | Многопредельный динамометр |
JPH0729436A (ja) | 1993-07-07 | 1995-01-31 | Toshiba Corp | ガス絶縁ブッシング |
JPH10300602A (ja) * | 1997-04-25 | 1998-11-13 | Hitachi Ltd | 半導体圧力センサ |
CN106225901A (zh) * | 2016-01-20 | 2016-12-14 | 滁州贝腾特电器有限公司 | 一种可调节的双精度称重传感器 |
CN106092295A (zh) * | 2016-01-20 | 2016-11-09 | 申俊 | 改进型多功能双阶电子秤 |
CN106153170A (zh) * | 2016-01-20 | 2016-11-23 | 滁州贝腾特电器有限公司 | 一种智能型双阶称重电子秤 |
-
2017
- 2017-10-12 KR KR1020207010399A patent/KR20200066311A/ko not_active Application Discontinuation
- 2017-10-12 WO PCT/JP2017/037076 patent/WO2019073582A1/ja active Application Filing
- 2017-10-12 JP JP2019547867A patent/JP6793928B2/ja active Active
- 2017-10-12 CN CN201780095759.4A patent/CN111316081B/zh active Active
-
2020
- 2020-05-05 DK DKPA202070287A patent/DK181276B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DK202070287A1 (en) | 2020-05-11 |
DK202070287A8 (en) | 2020-11-03 |
WO2019073582A1 (ja) | 2019-04-18 |
DK181276B1 (en) | 2023-06-19 |
CN111316081A (zh) | 2020-06-19 |
JPWO2019073582A1 (ja) | 2020-11-05 |
KR20200066311A (ko) | 2020-06-09 |
CN111316081B (zh) | 2021-10-29 |
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