AT523625A3 - pressure sensor - Google Patents

pressure sensor Download PDF

Info

Publication number
AT523625A3
AT523625A3 ATA8008/2021A AT80082021A AT523625A3 AT 523625 A3 AT523625 A3 AT 523625A3 AT 80082021 A AT80082021 A AT 80082021A AT 523625 A3 AT523625 A3 AT 523625A3
Authority
AT
Austria
Prior art keywords
pressure
measuring
sensor housing
area
signal derivation
Prior art date
Application number
ATA8008/2021A
Other languages
German (de)
Other versions
AT523625B1 (en
AT523625A2 (en
Inventor
Dipl Ing Franz (Fh) Steinbrugger
Baumgartner Dipl -Ing Martin
Original Assignee
Piezocryst Advanced Sensorics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from ATA50535/2013A external-priority patent/AT514607B1/en
Application filed by Piezocryst Advanced Sensorics filed Critical Piezocryst Advanced Sensorics
Priority claimed from ATA50098/2021A external-priority patent/AT524358B1/en
Publication of AT523625A2 publication Critical patent/AT523625A2/en
Publication of AT523625A3 publication Critical patent/AT523625A3/en
Application granted granted Critical
Publication of AT523625B1 publication Critical patent/AT523625B1/en

Links

Classifications

    • 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
    • G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
    • 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
    • G01L19/0672—Leakage or rupture protection or detection
    • 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
    • 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
    • G01L19/142—Multiple part housings
    • G01L19/143—Two part housings
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

Die Erfindung betrifft einen Drucksensor (1), vorzugsweise zur Messung heißer, explosiver Medien, mit einem im Wesentlichen rotationssymmetrischen, in eine Messbohrung einsetzbaren Sensorgehäuse (2), das einen Messwandler (3) auf- nimmt, mit einem druckseitig am Sensorgehäuse (2) angeordneten Membranelement (4), sowie mit einer zum Sensorgehäuse (2) elektrischen isolierten Signalableitung (5). Erfindungsgemäß ist das Sensorgehäuse (2) in axialer Richtung in einen Hochdruckbereich (H) und einen Niederdruckbereich (N) unterteilt, wo- bei der Hochdruckbereich (H) den Messwandler (3) aufnimmt und in Abgrenzung zum Niederdruckbereich (N) eine druckdichte Barriere (10) aufweist, die die Signalableitung (5) druckdicht durchsetzt. Bei einem Membranbruch kann somit das Austreten von heißen Gasen aus dem Messbereich verhindert werden.The invention relates to a pressure sensor (1), preferably for measuring hot, explosive media, with an essentially rotationally symmetrical sensor housing (2) that can be inserted into a measuring bore and accommodates a measuring transducer (3), with a sensor housing (2) on the pressure side arranged membrane element (4), and to the sensor housing (2) electrically insulated signal derivation (5). According to the invention, the sensor housing (2) is divided in the axial direction into a high-pressure area (H) and a low-pressure area (N), with the high-pressure area (H) accommodating the measuring transducer (3) and a pressure-tight barrier ( 10) which penetrates the signal derivation (5) in a pressure-tight manner. In the event of a diaphragm rupture, hot gases can thus be prevented from escaping from the measuring area.

ATA8008/2021A 2013-08-30 2014-08-07 pressure sensor AT523625B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50535/2013A AT514607B1 (en) 2013-08-30 2013-08-30 pressure sensor
ATA50098/2021A AT524358B1 (en) 2021-02-15 2021-02-15 Structure to form a deformable body

Publications (3)

Publication Number Publication Date
AT523625A2 AT523625A2 (en) 2021-09-15
AT523625A3 true AT523625A3 (en) 2022-05-15
AT523625B1 AT523625B1 (en) 2022-07-15

Family

ID=82399718

Family Applications (1)

Application Number Title Priority Date Filing Date
ATA8008/2021A AT523625B1 (en) 2013-08-30 2014-08-07 pressure sensor

Country Status (1)

Country Link
AT (1) AT523625B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3423711A1 (en) * 1983-07-07 1985-01-17 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.h.c. Hans List, Graz Pickup for measuring hot media, and method for installing it
DE4419138A1 (en) * 1993-06-01 1994-12-08 Nippon Denso Co High temperature pressure sensor
US5377547A (en) * 1992-09-11 1995-01-03 Matsushita Electric Industrial Co., Ltd. Piezoelectric pressure sensor having tubular charge detecting unit and method of assembling same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3423711A1 (en) * 1983-07-07 1985-01-17 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.h.c. Hans List, Graz Pickup for measuring hot media, and method for installing it
US5377547A (en) * 1992-09-11 1995-01-03 Matsushita Electric Industrial Co., Ltd. Piezoelectric pressure sensor having tubular charge detecting unit and method of assembling same
DE4419138A1 (en) * 1993-06-01 1994-12-08 Nippon Denso Co High temperature pressure sensor

Also Published As

Publication number Publication date
AT523625B1 (en) 2022-07-15
AT523625A2 (en) 2021-09-15

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