DE29918237U1 - Capacitive flexible sensor - Google Patents

Capacitive flexible sensor

Info

Publication number
DE29918237U1
DE29918237U1 DE29918237U DE29918237U DE29918237U1 DE 29918237 U1 DE29918237 U1 DE 29918237U1 DE 29918237 U DE29918237 U DE 29918237U DE 29918237 U DE29918237 U DE 29918237U DE 29918237 U1 DE29918237 U1 DE 29918237U1
Authority
DE
Germany
Prior art keywords
sensor according
individual
base plate
sensor
members
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.)
Expired - Lifetime
Application number
DE29918237U
Other languages
German (de)
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.)
SIE SENSORIK IND ELEKTRONIK GM
Original Assignee
SIE SENSORIK IND ELEKTRONIK GM
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 SIE SENSORIK IND ELEKTRONIK GM filed Critical SIE SENSORIK IND ELEKTRONIK GM
Priority to DE29918237U priority Critical patent/DE29918237U1/en
Publication of DE29918237U1 publication Critical patent/DE29918237U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (14)

1. Kapazitiver flexibler Sensor mit drei in eine Auswerteelektronik führenden, voneinander getrennten Elektroden, zur Detektion des Füllstandes eines Mediums in einem Gefäß, dadurch gekennzeichnet, daß jede der Elektroden untergliedert ist in eine für alle Elektroden gleiche Anzahl von Abschnitten, wobei jeder Abschnitt einer Elektrode zusammen mit den jeweils zugehörigen Abschnitten der anderen Elektroden mechanisch starr verbunden ist und je ein starres Einzelglied (1) bildet, so daß jedes Ein­ zelglied (1) einen Abschnitt jeder Elektrode umfaßt, wobei die Einzelglieder (1) voneinander beabstandet sind und durch eine durchlaufende Basisplatte (6) aus flexiblem Material kettenartig untereinander verbunden sind, und die Abschnitte jeder Elektrode durch flexible Leiter (7), die auf der flexiblen Basisplatte (6) aufgebracht sind, elektrisch miteinander verbunden sind.1. Capacitive flexible sensor with three leading in an evaluation electronics, separate electrodes for detecting the level of a medium in a vessel, characterized in that each of the electrodes is divided into an equal number of sections for all electrodes, each section of an electrode is mechanically rigidly connected together with the respectively associated sections of the other electrodes and each forms a rigid individual member ( 1 ), so that each individual member ( 1 ) comprises a section of each electrode, the individual members ( 1 ) being spaced apart and by a continuous one Base plate ( 6 ) made of flexible material are connected to one another like a chain, and the sections of each electrode are electrically connected to one another by flexible conductors ( 7 ) which are applied to the flexible base plate ( 6 ). 2. Sensor nach Anspruch 1, dadurch gekennzeichnet, daß jedes Einzelglied (1) einen Abschnitt einer Nutzelektrode (12), einer Abschirmelektrode (13) und einer Masseelektrode (14) enthält.2. Sensor according to claim 1, characterized in that each individual member ( 1 ) contains a section of a useful electrode ( 12 ), a shielding electrode ( 13 ) and a ground electrode ( 14 ). 3. Sensor nach Anspruch 1, dadurch gekennzeichnet, daß jedes Einzelglied (1) mit einem eigenen starren, von seinen Nachbarn jeweils beabstandeten Schutzgehäuse umgeben ist.3. Sensor according to claim 1, characterized in that each individual member ( 1 ) is surrounded by its own rigid protective housing spaced from its neighbors. 4. Sensor nach Anspruch 1, dadurch gekennzeichnet, daß die Auswerteelektronik auf der flexiblen Basisplatte (6) in einem oder einer Mehrzahl von separaten starren voneinander und von den Einzelgliedern (1) beabstandeten Gehäusen (2) untergebracht ist.4. Sensor according to claim 1, characterized in that the evaluation electronics on the flexible base plate ( 6 ) in one or a plurality of separate rigid from each other and from the individual members ( 1 ) spaced housings ( 2 ) is housed. 5. Sensor nach Anspruch 1, dadurch gekennzeichnet, daß der Sensor an seinen Enden jeweils ein vom Sensor beabstandetes, flexibel angebrachtes Befestigungselement (3) aufweist.5. Sensor according to claim 1, characterized in that the sensor has at its ends a spaced from the sensor, flexibly attached fastening element ( 3 ). 6. Sensor nach Anspruch 1 und 3, dadurch gekennzeichnet, daß die Ebene der Basisplatte (6) in der halben Höhe der Einzelglieder (1) verläuft. 6. Sensor according to claim 1 and 3, characterized in that the plane of the base plate ( 6 ) at half the height of the individual links ( 1 ). 7. Sensor nach Anspruch 1, 3 und 6, dadurch gekennzeichnet, daß die Querschnittsform der Schutzgehäuse der Einzelglieder (1) sechseckig ist.7. Sensor according to claim 1, 3 and 6, characterized in that the cross-sectional shape of the protective housing of the individual members ( 1 ) is hexagonal. 8. Sensor nach Anspruch 1, 3 und 6, dadurch gekennzeichnet, daß die Bauhöhe der Schutzgehäuse der Einzelglieder (1) und die Bauhöhe des Schutzgehäuses (2) oder der Schutzgehäuse (2) für die Auswerteelektronik identisch sind.8. Sensor according to claim 1, 3 and 6, characterized in that the overall height of the protective housing of the individual members ( 1 ) and the overall height of the protective housing ( 2 ) or the protective housing ( 2 ) for the evaluation electronics are identical. 9. Sensor nach Anspruch 1, dadurch gekennzeichnet, daß der Sensor mit Befestigungselementen (3) versehen ist.9. Sensor according to claim 1, characterized in that the sensor is provided with fastening elements ( 3 ). 10. Sensor nach Anspruch 1, 4 und 5, dadurch gekennzeichnet, daß die Gehäuse der Einzelglieder (1), die Gehäuse (2) für die Auswerte­ elektronik, die Verbindungsstege (5) und die Befestigungselemente (4) aus PBT- oder PP-Kunststoff bestehen.10. Sensor according to claim 1, 4 and 5, characterized in that the housing of the individual elements ( 1 ), the housing ( 2 ) for the evaluation electronics, the connecting webs ( 5 ) and the fastening elements ( 4 ) made of PBT or PP Plastic. 11. Sensor nach Anspruch 1, dadurch gekennzeichnet, daß die Basisplatte (6) aus Polyimidfolie besteht.11. Sensor according to claim 1, characterized in that the base plate ( 6 ) consists of polyimide film. 12. Sensor nach Anspruch 1 und 3, dadurch gekennzeichnet, daß die Basisplatte (6) entlang der Bodenflächen der Einzelglieder (1) verläuft.12. Sensor according to claim 1 and 3, characterized in that the base plate ( 6 ) runs along the bottom surfaces of the individual members ( 1 ). 13. Sensor nach Anspruch 1 und 3, dadurch gekennzeichnet, daß die Basisplatte (6) entlang der Deckflächen der Einzelglieder (1) verläuft.13. Sensor according to claim 1 and 3, characterized in that the base plate ( 6 ) runs along the top surfaces of the individual members ( 1 ). 14. Sensor nach einem der vorhergehenden Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Einzelglieder (1) an der Basisplatte (6) äquidistant angeordnet sind und mit dieser eine fortlaufende Kette bilden, wobei sich die Auswerte­ elektronik an den Enden der Kette in einem Abstand zu den äußeren Einzelgliedern (1) auf der Basisplatte (6) befindet und in zwei Gehäusen (2) untergebracht ist, die somit weitere Kettenglieder bilden, wobei an deren äußerer Stirnseite mittels flexibler mechanischer Verbindungsstege (5) jeweils ein Befestigungselement (3) angebracht ist, dessen Bauhöhe mit derjenigen der Einzelglieder (1) und der Gehäuse (2) für die Auswerteelektronik identisch ist, so daß die Befestigungselemente (3) als Endglieder der Kette fungieren, wobei die Befestigungsglieder (3) mit Aussparungen (4) versehen sind, die eine Befestigung des Sensors an einer Fläche ermöglichen.14. Sensor according to any one of the preceding claims 1 to 11, characterized in that the individual links ( 1 ) on the base plate ( 6 ) are arranged equidistantly and form a continuous chain with the latter, the evaluation electronics at the ends of the chain in one Distance to the outer individual links ( 1 ) is on the base plate ( 6 ) and is housed in two housings ( 2 ), which thus form further chain links, with a fastening element ( 3 ) attached to each of their outer end faces by means of flexible mechanical connecting webs ( 5 ) is, the height is identical to that of the individual members (1) and the housing (2) for the transmitter, so that the fastening elements act (3) and end members of the chain, whereby the fastening members (3) are provided with recesses (4), that allow the sensor to be attached to a surface.
DE29918237U 1999-10-15 1999-10-15 Capacitive flexible sensor Expired - Lifetime DE29918237U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29918237U DE29918237U1 (en) 1999-10-15 1999-10-15 Capacitive flexible sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29918237U DE29918237U1 (en) 1999-10-15 1999-10-15 Capacitive flexible sensor

Publications (1)

Publication Number Publication Date
DE29918237U1 true DE29918237U1 (en) 2000-03-02

Family

ID=8080360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29918237U Expired - Lifetime DE29918237U1 (en) 1999-10-15 1999-10-15 Capacitive flexible sensor

Country Status (1)

Country Link
DE (1) DE29918237U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208956A1 (en) * 2013-05-15 2014-11-20 Areva Gmbh Sensor carrier and associated device for level measurement
ITUA20163239A1 (en) * 2016-04-18 2017-10-18 Eltek Spa DEVICE FOR DETECTION OF THE LEVEL OF A MEDIA
CN114054555A (en) * 2021-11-11 2022-02-18 四川泛华航空仪表电器有限公司 Capacitive sensor with bending design

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208956A1 (en) * 2013-05-15 2014-11-20 Areva Gmbh Sensor carrier and associated device for level measurement
ITUA20163239A1 (en) * 2016-04-18 2017-10-18 Eltek Spa DEVICE FOR DETECTION OF THE LEVEL OF A MEDIA
WO2017182917A1 (en) * 2016-04-18 2017-10-26 Eltek S.P.A. Device for detecting the level of a medium
CN109313057A (en) * 2016-04-18 2019-02-05 埃尔特克有限公司 For detecting the device of the height of medium
US10935411B2 (en) 2016-04-18 2021-03-02 Eltek S.P.A. Device for detecting the level of a medium
CN109313057B (en) * 2016-04-18 2021-08-03 埃尔特克有限公司 Device for detecting the level of a medium
CN114054555A (en) * 2021-11-11 2022-02-18 四川泛华航空仪表电器有限公司 Capacitive sensor with bending design
CN114054555B (en) * 2021-11-11 2024-04-05 四川泛华航空仪表电器有限公司 Capacitive sensor with bending design

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000406

R163 Identified publications notified

Effective date: 20000515

R150 Term of protection extended to 6 years

Effective date: 20021205

R151 Term of protection extended to 8 years

Effective date: 20050812

R152 Term of protection extended to 10 years

Effective date: 20070814

R071 Expiry of right