EP4698858A1 - Vibrationsgrenzstandschalter und kabel für einen vibrationsgrenzstandschalter - Google Patents
Vibrationsgrenzstandschalter und kabel für einen vibrationsgrenzstandschalterInfo
- Publication number
- EP4698858A1 EP4698858A1 EP24720452.2A EP24720452A EP4698858A1 EP 4698858 A1 EP4698858 A1 EP 4698858A1 EP 24720452 A EP24720452 A EP 24720452A EP 4698858 A1 EP4698858 A1 EP 4698858A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- current
- limit switch
- piezo element
- vibration limit
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
-
- 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2961—Acoustic waves for discrete levels
-
- 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
-
- 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2968—Transducers specially adapted for acoustic level indicators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/206—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using only longitudinal or thickness displacement, e.g. d33 or d31 type devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102023110124.2A DE102023110124B3 (de) | 2023-04-20 | 2023-04-20 | Vibrationsgrenzstandschalter und Kabel für einen Vibrationsgrenzstandschalter |
| PCT/EP2024/060296 WO2024218089A1 (de) | 2023-04-20 | 2024-04-16 | Vibrationsgrenzstandschalter und kabel für einen vibrationsgrenzstandschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4698858A1 true EP4698858A1 (de) | 2026-02-25 |
Family
ID=90732442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24720452.2A Pending EP4698858A1 (de) | 2023-04-20 | 2024-04-16 | Vibrationsgrenzstandschalter und kabel für einen vibrationsgrenzstandschalter |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4698858A1 (de) |
| CN (1) | CN120981702A (de) |
| DE (1) | DE102023110124B3 (de) |
| WO (1) | WO2024218089A1 (de) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59811545D1 (de) * | 1998-09-02 | 2004-07-15 | Endress & Hauser Gmbh & Co Kg | Messaufnehmer |
| US7236342B2 (en) * | 2003-07-28 | 2007-06-26 | Rockwell Automation Technologies, Inc. | In-line passive barrier for intrinsically safe communication network |
| DE102007058608A1 (de) * | 2007-12-04 | 2009-06-10 | Endress + Hauser Flowtec Ag | Elektrisches Gerät |
| DE102009009238B4 (de) * | 2009-02-17 | 2013-08-08 | Kidler Solutions Gmbh | Piezoelektrischer Sensor |
| EP2239955B1 (de) * | 2009-04-09 | 2016-07-06 | VEGA Grieshaber KG | Energiegesteuerte Datenübermittlung eines Feldgeräts |
| DE102010025194B4 (de) * | 2010-06-26 | 2021-03-25 | Volkswagen Ag | Ultraschallwandler, Anordnung eines Ultraschallsensors in einem Kunststoffbauteil eines Kraftfahrzeugs und Herstellung der Anordnung |
| JP5187648B2 (ja) * | 2010-10-08 | 2013-04-24 | 横河電機株式会社 | コネクタ |
| EP2503860A1 (de) | 2011-03-25 | 2012-09-26 | VEGA Grieshaber KG | Flexibles Verbindungskabel zur elektrischen Verbindung eines Messwertaufnehmers und einer Auswerteelektronik einer Messbaugruppe |
| DE102012107315B4 (de) * | 2012-08-09 | 2022-02-10 | Vega Grieshaber Kg | Schwingvorrichtung für eine Füllstandsmesseinheit |
| CN109923685B (zh) | 2016-11-18 | 2023-11-10 | Vega格里沙贝两合公司 | 压电发射和接收装置及其制造方法,以及振动传感器 |
| DE102019111384B3 (de) * | 2019-05-02 | 2020-09-03 | Vega Grieshaber Kg | Piezoelektrische Sende- und/oder Empfangseinrichtung und Vibrationsgrenzstandsensor mit einer solchen |
| DE102020102028A1 (de) * | 2020-01-28 | 2021-07-29 | Vega Grieshaber Kg | Piezoelektrisch angetriebener Vibrationssensor |
-
2023
- 2023-04-20 DE DE102023110124.2A patent/DE102023110124B3/de active Active
-
2024
- 2024-04-16 CN CN202480026498.0A patent/CN120981702A/zh active Pending
- 2024-04-16 EP EP24720452.2A patent/EP4698858A1/de active Pending
- 2024-04-16 WO PCT/EP2024/060296 patent/WO2024218089A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102023110124B3 (de) | 2024-05-08 |
| CN120981702A (zh) | 2025-11-18 |
| WO2024218089A1 (de) | 2024-10-24 |
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Legal Events
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17P | Request for examination filed |
Effective date: 20251031 |
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| AK | Designated contracting states |
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