FR3086058B1 - MINIATURIZED PRESSURE SENSOR - Google Patents

MINIATURIZED PRESSURE SENSOR Download PDF

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Publication number
FR3086058B1
FR3086058B1 FR1858411A FR1858411A FR3086058B1 FR 3086058 B1 FR3086058 B1 FR 3086058B1 FR 1858411 A FR1858411 A FR 1858411A FR 1858411 A FR1858411 A FR 1858411A FR 3086058 B1 FR3086058 B1 FR 3086058B1
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FR
France
Prior art keywords
pair
pressure sensor
wheatstone bridge
resistors
symmetry
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.)
Active
Application number
FR1858411A
Other languages
French (fr)
Other versions
FR3086058A1 (en
Inventor
Francois Goubert
Christine Darriet
Bertrand Dechambenoit
Pascal Cesard
Sebastien Labenne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ArianeGroup SAS
Original Assignee
ArianeGroup SAS
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
Application filed by ArianeGroup SAS filed Critical ArianeGroup SAS
Priority to FR1858411A priority Critical patent/FR3086058B1/en
Priority to PCT/FR2019/052176 priority patent/WO2020058628A1/en
Publication of FR3086058A1 publication Critical patent/FR3086058A1/en
Application granted granted Critical
Publication of FR3086058B1 publication Critical patent/FR3086058B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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

Abstract

L'invention concerne un capteur de pression comprenant un pont de Wheatstone (7) formé par quatre résistances (71) réparties en une première paire (7a) et en une deuxième paire (7b), le capteur de pression comprenant un dispositif d'alimentation électrique connecté au pont de Wheatstone (7) par une borne d'alimentation positive (81a) et une borne d'alimentation négative (81b), le capteur de pression comprenant un dispositif de mesure configuré pour mesurer la valeur de résistance des résistances (71) du pont de Wheatstone (7) qui est connecté au pont de Wheatstone (7) par une borne de mesure positive (82a) et une borne de mesure négative (82b), caractérisé en ce que la première paire (7a) comprend un premier axe de symétrie (Aa) par rapport auquel les deux résistances (71) formant ladite première paire (7a) sont symétriques, la deuxième paire (7b) comprend un deuxième axe de symétrie (Ab) par rapport auquel les deux résistances (71) formant ladite deuxième paire (7b) sont symétriques, le premier axe de symétrie (Aa) étant perpendiculaire au deuxième axe de symétrie (Ab), et en ce que la borne d'alimentation positive (81a), la borne d'alimentation négative (81b), la borne de mesure positive (82a) et la borne de mesure négative (82b) sont réparties autour du pont de Wheatstone (7).The invention relates to a pressure sensor comprising a Wheatstone bridge (7) formed by four resistors (71) distributed in a first pair (7a) and in a second pair (7b), the pressure sensor comprising a supply device. electrical connected to the Wheatstone bridge (7) by a positive supply terminal (81a) and a negative supply terminal (81b), the pressure sensor comprising a measuring device configured to measure the resistance value of the resistors (71 ) of the Wheatstone bridge (7) which is connected to the Wheatstone bridge (7) by a positive measurement terminal (82a) and a negative measurement terminal (82b), characterized in that the first pair (7a) comprises a first axis of symmetry (Aa) with respect to which the two resistors (71) forming said first pair (7a) are symmetrical, the second pair (7b) comprises a second axis of symmetry (Ab) with respect to which the two resistors (71) forming said second pair (7b) are symmetrical, the first axis of symmetry (Aa) being perpendicular to the second axis of symmetry (Ab), and in that the positive supply terminal (81a), the negative supply terminal (81b), the positive measurement terminal (82a ) and the negative measurement terminal (82b) are distributed around the Wheatstone bridge (7).

FR1858411A 2018-09-18 2018-09-18 MINIATURIZED PRESSURE SENSOR Active FR3086058B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1858411A FR3086058B1 (en) 2018-09-18 2018-09-18 MINIATURIZED PRESSURE SENSOR
PCT/FR2019/052176 WO2020058628A1 (en) 2018-09-18 2019-09-18 Miniaturized pressure sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858411A FR3086058B1 (en) 2018-09-18 2018-09-18 MINIATURIZED PRESSURE SENSOR

Publications (2)

Publication Number Publication Date
FR3086058A1 FR3086058A1 (en) 2020-03-20
FR3086058B1 true FR3086058B1 (en) 2021-10-22

Family

ID=65685490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1858411A Active FR3086058B1 (en) 2018-09-18 2018-09-18 MINIATURIZED PRESSURE SENSOR

Country Status (2)

Country Link
FR (1) FR3086058B1 (en)
WO (1) WO2020058628A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1447317A (en) * 1965-06-15 1966-07-29 Sopemea Advanced fluid pressure sensor device
FR2820202B1 (en) * 2001-01-31 2004-06-04 Snecma Moteurs PRESSURE SENSOR AND ROCKET MOTOR INCORPORATING THE SAME
DE102005027365A1 (en) * 2005-06-14 2006-12-21 Robert Bosch Gmbh High pressure sensor device and method for its production
FR3032791B1 (en) * 2015-02-18 2018-09-07 L'essor Francais Electronique MINIATURE METAL MEMBRANE PRESSURE SENSOR AND METHOD FOR MANUFACTURING THE SAME

Also Published As

Publication number Publication date
FR3086058A1 (en) 2020-03-20
WO2020058628A1 (en) 2020-03-26

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