JP6487655B2 - 圧力センサ - Google Patents
圧力センサ Download PDFInfo
- Publication number
- JP6487655B2 JP6487655B2 JP2014180887A JP2014180887A JP6487655B2 JP 6487655 B2 JP6487655 B2 JP 6487655B2 JP 2014180887 A JP2014180887 A JP 2014180887A JP 2014180887 A JP2014180887 A JP 2014180887A JP 6487655 B2 JP6487655 B2 JP 6487655B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- distribution cap
- cap
- pressing portion
- pressure
- 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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- 238000003825 pressing Methods 0.000 claims description 33
- 238000009826 distribution Methods 0.000 claims description 31
- 238000005259 measurement Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 description 10
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/18—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by resistance strain gauges
-
- 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
- G01L19/0618—Overload protection
-
- 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
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection
-
- 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
- G01L19/0663—Flame protection; Flame barriers
-
- 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
- G01L19/0681—Protection against excessive heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Measuring Fluid Pressure (AREA)
Description
以下、複数の実施形態を参照して、本発明を詳細に説明する。各図は以下を示している。
Claims (13)
- 測定変換器(3)を収容するセンサハウジング(2)と、環状の可撓部(12)に囲まれた中央の押圧部(11)を有する圧力側に配置されたダイヤフラム(10)とを具え、圧力側において、前記押圧部(11)には、ダイヤフラム(10)への伝熱に影響を及ぼす遮蔽体が取り付けられている構成の圧力センサ(1)であって、
前記遮蔽体は、該遮蔽体の中央領域(24)が前記押圧部(11)と伝熱接合された分配キャップ(20)として形成され、
前記環状の可撓部(12)は前記分配キャップ(20)により遮蔽されていないことを特徴とする圧力センサ(1)。 - 前記分配キャップ(20)は、前記押圧部(11)の凸部(16)を収容する中央の凹部ないし開口部(23)を具えていることを特徴とする、請求項1に記載の圧力センサ(1)。
- 前記分配キャップ(20)は、前記中央の凹部ないし開口部(23)の領域で、前記押圧部(11)の前記凸部(16)と摩擦係合または溶接されていることを特徴とする、請求項2に記載の圧力センサ(1)。
- 前記分配キャップ(20)は、該キャップの前記中央領域(24)で、前記押圧部(11)の中央部と溶接ないしハンダ付けされていることを特徴とする、請求項1に記載の圧力センサ(1)。
- 前記押圧部(11)は、基本的に円筒状に形成された外周部(14)を有し、
該外周部は少なくとも部分的に前記分配キャップ(20)の円筒状の保持フランジ(21)により被覆ないし包囲されていることを特徴とする、請求項1から4のいずれか一項に記載の圧力センサ。 - 前記分配キャップ(20)の前記保持フランジ(21)は、前記押圧部(11)の前記外周部(14)を摩擦係合により包囲しているか、または前記押圧部(11)の圧力側表面(15)の近傍で、前記外周部(14)と少なくとも部分的に溶接されていることを特徴とする、請求項5に記載の圧力センサ(1)。
- 前記押圧部(11)の圧力側表面(15)と前記分配キャップ(20)との間には、前記中央領域(24)に隣接して半径方向に、この領域における伝熱を低減ないし阻止する隙間(18)が形成されていることを特徴とする、請求項1から6のいずれか一項に記載の圧力センサ(1)。
- 前記分配キャップ(20)は、該キャップの半径方向領域(22)に、複数の開口部(25,26)を有していることを特徴とする、請求項1から7のいずれか一項に記載の圧力センサ(1)。
- 前記分配キャップ(20)の前記複数の開口部(26)は半径方向に非対称的に分布していることを特徴とする、請求項8に記載の圧力センサ(1)。
- 前記分配キャップ(20)は、形状および大きさの異なる複数の開口部(25,26)を有していることを特徴とする、請求項8または9に記載の圧力センサ(1)。
- 前記圧力センサ(1)は点火プラグに組み込まれていることを特徴とする、請求項1から10のいずれか一項に記載の圧力センサ(1)。
- 前記測定変換器(3)は圧電効果素子または電歪効果素子またはひずみゲージを有していることを特徴とする、請求項1から11のいずれか一項に記載の圧力センサ(1)。
- 高温の動的プロセスに使用される、請求項1から12のいずれか一項に記載の圧力センサ(1)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50553/2013A AT514770B1 (de) | 2013-09-05 | 2013-09-05 | Drucksensor, vorzugsweise für den Einsatz in heissen dynamischen Prozessen |
ATA50553/2013 | 2013-09-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015052597A JP2015052597A (ja) | 2015-03-19 |
JP2015052597A5 JP2015052597A5 (ja) | 2017-09-07 |
JP6487655B2 true JP6487655B2 (ja) | 2019-03-20 |
Family
ID=51417146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014180887A Active JP6487655B2 (ja) | 2013-09-05 | 2014-09-05 | 圧力センサ |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2846144B1 (ja) |
JP (1) | JP6487655B2 (ja) |
AT (1) | AT514770B1 (ja) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT258610B (de) * | 1965-12-09 | 1967-12-11 | H C Hans Dipl Ing Dr Dr List | Piezoelektrischer Druckgeber |
AT374922B (de) * | 1979-08-09 | 1984-06-12 | List Hans | Messanordner mit einem druckgeber zum messen des druckes heisser medien |
SU920414A1 (ru) * | 1980-07-15 | 1982-04-15 | Предприятие П/Я А-1891 | Термозащитное устройство дл датчика давлени |
AT383895B (de) * | 1983-06-15 | 1987-09-10 | Avl Verbrennungskraft Messtech | Druckaufnehmer |
JPS60135645U (ja) * | 1984-02-21 | 1985-09-09 | トヨタ自動車株式会社 | 圧力センサ内蔵点火プラグ |
JPH0812123B2 (ja) * | 1987-11-27 | 1996-02-07 | 日本碍子株式会社 | 圧力センサ |
GB2217846A (en) * | 1988-04-22 | 1989-11-01 | Stc Plc | Pressure sensor |
JPH0610641B2 (ja) * | 1988-07-26 | 1994-02-09 | 株式会社豊田中央研究所 | 高温流体用圧力センサ |
GB2344179A (en) * | 1998-11-28 | 2000-05-31 | Ford Global Tech Inc | Spark plug with combustion pressure sensor |
JP3942176B2 (ja) * | 2003-03-17 | 2007-07-11 | 日本特殊陶業株式会社 | 燃焼圧検知機能付きグロープラグ及びその製造方法 |
DE10312491B3 (de) * | 2003-03-20 | 2005-02-03 | Robert Bosch Gmbh | Drucksensor mit Hitzeschild zum Einsatz in Verbrennungskraftmaschinen |
JP5034394B2 (ja) * | 2006-09-13 | 2012-09-26 | 株式会社デンソー | 圧力センサ |
WO2008055377A2 (de) | 2006-11-10 | 2008-05-15 | Kistler Holding Ag | Drucksensor für messungen in heissen, dynamischen prozessen |
DE102008025045A1 (de) * | 2007-06-02 | 2008-12-04 | Marquardt Gmbh | Sensor |
AT509919B1 (de) | 2010-05-25 | 2012-09-15 | Piezocryst Advanced Sensorics | Thermoschutzelement für einen drucksensor |
SG188777A1 (en) * | 2011-09-28 | 2013-04-30 | Agency Science Tech & Res | A sensor device |
-
2013
- 2013-09-05 AT ATA50553/2013A patent/AT514770B1/de not_active IP Right Cessation
-
2014
- 2014-08-18 EP EP14181241.2A patent/EP2846144B1/de active Active
- 2014-09-05 JP JP2014180887A patent/JP6487655B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
AT514770B1 (de) | 2015-05-15 |
EP2846144B1 (de) | 2018-02-14 |
AT514770A1 (de) | 2015-03-15 |
JP2015052597A (ja) | 2015-03-19 |
EP2846144A1 (de) | 2015-03-11 |
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