ITTO20090902A1 - Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati - Google Patents

Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati

Info

Publication number
ITTO20090902A1
ITTO20090902A1 IT000902A ITTO20090902A ITTO20090902A1 IT TO20090902 A1 ITTO20090902 A1 IT TO20090902A1 IT 000902 A IT000902 A IT 000902A IT TO20090902 A ITTO20090902 A IT TO20090902A IT TO20090902 A1 ITTO20090902 A1 IT TO20090902A1
Authority
IT
Italy
Prior art keywords
container
lens
detect
liquid level
optical sensor
Prior art date
Application number
IT000902A
Other languages
English (en)
Inventor
Alessio Chianura
Klemen Dobravec
Sergio Giordano
Domenico Pietrafesa
Original Assignee
Illinois Tool Works
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 IT000606A external-priority patent/ITTO20090606A1/it
Application filed by Illinois Tool Works filed Critical Illinois Tool Works
Priority to ITTO2009A000902A priority Critical patent/IT1398785B1/it
Priority to TR2012/01135T priority patent/TR201201135T1/xx
Priority to KR1020127002967A priority patent/KR101767163B1/ko
Priority to PCT/IB2010/001922 priority patent/WO2011015934A1/en
Priority to DE112010002873.7T priority patent/DE112010002873B4/de
Priority to CN201080042732.7A priority patent/CN102695945B/zh
Priority to US13/388,756 priority patent/US8994812B2/en
Publication of ITTO20090902A1 publication Critical patent/ITTO20090902A1/it
Application granted granted Critical
Publication of IT1398785B1 publication Critical patent/IT1398785B1/it

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
    • G01F23/28—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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
    • 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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • 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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0668—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror having non-imaging properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0085—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with both a detector and a source

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Washing And Drying Of Tableware (AREA)
ITTO2009A000902A 2009-08-04 2009-11-23 Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati IT1398785B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ITTO2009A000902A IT1398785B1 (it) 2009-08-04 2009-11-23 Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati
TR2012/01135T TR201201135T1 (tr) 2009-08-04 2010-08-02 Bir kap, özellikle ev tipi bir elektrikli alet için ayrılabilir bir kap içindeki sıvı seviyesinin algılanması için optik sensör ve bağlantılı mercek ve usul.
KR1020127002967A KR101767163B1 (ko) 2009-08-04 2010-08-03 용기, 특히 가전 기기를 위한 탈착가능한 용기 내의 액체 레벨을 검출하기 위한 광학 센서, 및 관련 렌즈와 방법
PCT/IB2010/001922 WO2011015934A1 (en) 2009-08-04 2010-08-03 Optical sensor for detecting the liquid level in a container, in particular for a removable container for an electric household appliance and associated lens and method
DE112010002873.7T DE112010002873B4 (de) 2009-08-04 2010-08-03 Optischer Sensor zum Erfassen des Flüssigkeitsniveaus in einem Behälter, insbesondere für einen lösbaren Behälter für ein elektrisches Haushaltsgerät, sowie eine zugeordnete Linse und Verfahren
CN201080042732.7A CN102695945B (zh) 2009-08-04 2010-08-03 用于检测容器内液位的光学感测器和相关透镜及方法
US13/388,756 US8994812B2 (en) 2009-08-04 2010-08-03 Optical sensor for detecting the liquid level in a container, in particular for a removable container for an electric household appliance and associated lens and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000606A ITTO20090606A1 (it) 2009-08-04 2009-08-04 Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati
ITTO2009A000902A IT1398785B1 (it) 2009-08-04 2009-11-23 Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati

Publications (2)

Publication Number Publication Date
ITTO20090902A1 true ITTO20090902A1 (it) 2011-02-05
IT1398785B1 IT1398785B1 (it) 2013-03-18

Family

ID=42989489

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2009A000902A IT1398785B1 (it) 2009-08-04 2009-11-23 Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati

Country Status (7)

Country Link
US (1) US8994812B2 (it)
KR (1) KR101767163B1 (it)
CN (1) CN102695945B (it)
DE (1) DE112010002873B4 (it)
IT (1) IT1398785B1 (it)
TR (1) TR201201135T1 (it)
WO (1) WO2011015934A1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2591713B1 (de) 2013-01-29 2023-02-01 V-Zug AG Haushaltgerät mit Wasserstandssensor
WO2015143760A1 (zh) * 2014-03-26 2015-10-01 无锡小天鹅股份有限公司 洗涤剂盒组件及具有它的洗衣机
DE102015224946A1 (de) * 2015-12-11 2017-06-14 BSH Hausgeräte GmbH Kombiniertes optisches Behälter- und Füllstandserkennungssystem
ITUA20161342A1 (it) * 2016-03-04 2017-09-04 Eltek Spa Dispositivo sensore per contenitori di sostanze liquide
WO2018111554A1 (en) 2016-12-12 2018-06-21 Illinois Tool Works, Inc. Optical level sensor for wash aid removable container
FR3062907B1 (fr) * 2017-02-10 2021-07-02 Safran Electrical & Power Sonde optique de mesure du niveau d'un liquide dans un reservoir
US10947708B2 (en) 2018-02-28 2021-03-16 Kohler Co. Container filling faucet
JP7080766B2 (ja) * 2018-08-07 2022-06-06 株式会社荏原製作所 液面検出センサと組み合わせて使用されるセンサターゲットカバー、および湿式処理装置
CN109660709B (zh) * 2019-01-15 2021-04-06 江苏东方赛光电有限公司 一种内嵌液位实时检测功能的智能摄像机使用方法
FR3096668B1 (fr) 2019-05-29 2022-07-15 Heyliot système DE GESTION DE TAUX DE REMPLISSAGE DE CONTENANTS
CN111020977A (zh) * 2019-12-06 2020-04-17 珠海格力电器股份有限公司 一种洗涤剂液位检测方法及洗衣机
US11815284B2 (en) 2020-04-24 2023-11-14 Midea Group Co., Ltd. Dehumidifier with condensate tank
KR20230126491A (ko) 2022-02-23 2023-08-30 아주자동차대학 산학협력단 스마트키를 통한 차주 호출장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580802A5 (it) * 1975-07-21 1976-10-15 Hectronic Ag
GB2149112B (en) * 1983-10-27 1987-12-09 Lucas Ind Plc Liquid level detector
US5068527A (en) * 1987-01-07 1991-11-26 Kabushiki Kaisha Toshiba Wide range fiber optical displacement sensor
US4961069A (en) * 1988-12-07 1990-10-02 Aeroquip Corporation Dual optical level monitor
FR2653555B1 (fr) 1989-10-24 1993-12-03 Jaeger Dispositif optique de mesure du niveau d'un liquide dans un reservoir, par collection et guidage de la lumiere d'une source.
US5804831A (en) 1997-05-15 1998-09-08 Casco Products Corporation Liquid level sensor for use in a hot, pressurized liquid
US6173609B1 (en) * 1997-06-20 2001-01-16 Optical Sensor Consultants, Inc. Optical level sensor
US7017408B2 (en) 2004-02-13 2006-03-28 Be Intellectual Property, Inc. Electro-optic liquid level sensing system for aircraft beverage brewing
US7049622B1 (en) 2004-04-09 2006-05-23 Sandia Corporation Optical position sensor for determining the interface between a clear and an opaque fluid
US7191649B1 (en) 2005-11-14 2007-03-20 Gregory Coogle Water level sensor
JP2007248375A (ja) 2006-03-17 2007-09-27 Tokyo Electric Power Co Inc:The 光学式油検知器
DE102006014277A1 (de) 2006-03-23 2007-09-27 M.U.T Aviation-Technology Gmbh Vorrichtung und Verfahren zur kontinuierlichen optischen Bestimmung des Füllstands von Flüssigkeiten in Flüssigkeitsvorratsbehältern von Fahrzeugen oder Flugzeugen
US7535571B2 (en) 2006-07-26 2009-05-19 Mitsubishi Electric Research Laboratories, Inc. Optical fluid level encoder

Also Published As

Publication number Publication date
WO2011015934A8 (en) 2011-05-05
WO2011015934A1 (en) 2011-02-10
US20120133759A1 (en) 2012-05-31
KR20120050994A (ko) 2012-05-21
CN102695945A (zh) 2012-09-26
IT1398785B1 (it) 2013-03-18
DE112010002873B4 (de) 2015-07-30
CN102695945B (zh) 2015-06-03
DE112010002873T5 (de) 2012-06-14
TR201201135T1 (tr) 2012-05-21
KR101767163B1 (ko) 2017-08-10
US8994812B2 (en) 2015-03-31

Similar Documents

Publication Publication Date Title
IT1398785B1 (it) Sensore ottico per rilevare il livello di liquido in un contenitore, in particolare per un contenitore asportabile per un elettrodomestico e lente e metodo associati
ZA201401183B (en) Fluid level sensor and related methods
EP2723397A4 (en) LIQUID LEVEL DETECTOR
EP2265910A4 (en) Contactless liquid level sensor
ZA201202459B (en) System and method for sensing a liquid level
EP2718680A4 (en) OPTICAL DETECTION DEVICE FOR LIQUID DETECTION AND METHOD THEREFOR
EP2347225A4 (en) LIQUID LEVEL SENSOR WITH LEVEL ALARM
EP2799820A4 (en) LIQUID LEVEL MEASURING DEVICE, METHOD AND PROGRAM
BR112013016194A2 (pt) artigo absorvente compreendendo um sensor de detecção de descarga de líquido.
EP2413111A4 (en) DEVICE FOR DETECTING THE LEVEL OF A LIQUID
EP2805135A4 (en) LIQUID LEVEL TRANSDUCER WITH INSULATED SENSORS
SG10201502164TA (en) Optical Circuit For Sensing A Biological Entity In A Fluid And Method Of Configuring The Same
IT1400755B1 (it) Sensore optoelettronico
EP2757366A4 (en) SUPPLY DEVICE FOR A SENSOR FOR DETECTING BIOLOGICAL INFORMATION
EP2751542A4 (en) ULTRASOUND LIQUID LEVEL DETECTOR
EP2508852A4 (en) DEVICE FOR DETERMINING THE FLUID LEVEL
GB0804363D0 (en) Liquid level sensing system
GB2492721B (en) Detecting surface stains using high absorbance spectral regions in the mid-ir
PL2731259T3 (pl) Zmywarka oraz sposób wykrywania poziomu wody wewnątrz zmywarki
IT1402558B1 (it) Dispositivo ottico per un sensore optoelettronico
IT1392978B1 (it) Sensore ottico per il rilevamento di cambiamenti di stato.
EP2754176A4 (en) SENSOR FOR DETECTING LOW NOISE IN LIQUIDS
EP2310814A4 (en) LIQUID LEVEL DETECTION SYSTEM
DK2261414T3 (da) Fremgangsmåde til bestemmelse af rengøringsaktive substanser i en behandlingsvæske
SE0800368L (sv) System och metod för invägning av en hisskorg i en hissanordning