ATE237795T1 - Flüssigkeitsstand-tastsonde und steuerschaltung - Google Patents

Flüssigkeitsstand-tastsonde und steuerschaltung

Info

Publication number
ATE237795T1
ATE237795T1 AT94201933T AT94201933T ATE237795T1 AT E237795 T1 ATE237795 T1 AT E237795T1 AT 94201933 T AT94201933 T AT 94201933T AT 94201933 T AT94201933 T AT 94201933T AT E237795 T1 ATE237795 T1 AT E237795T1
Authority
AT
Austria
Prior art keywords
sampling probe
control circuit
amplitude
respect
output signal
Prior art date
Application number
AT94201933T
Other languages
English (en)
Inventor
Blaine Edward Ramey
Mario Moreno
Original Assignee
Bio Merieux Inc
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 Bio Merieux Inc filed Critical Bio Merieux Inc
Application granted granted Critical
Publication of ATE237795T1 publication Critical patent/ATE237795T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • 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
    • G01F23/266—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 measuring circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N2035/1025—Fluid level sensing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7306—Electrical characteristic sensing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Cookers (AREA)
  • Level Indicators Using A Float (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AT94201933T 1993-07-09 1994-07-05 Flüssigkeitsstand-tastsonde und steuerschaltung ATE237795T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/088,656 US5493922A (en) 1993-07-09 1993-07-09 Liquid level sensing probe and control circuit

Publications (1)

Publication Number Publication Date
ATE237795T1 true ATE237795T1 (de) 2003-05-15

Family

ID=22212636

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94201933T ATE237795T1 (de) 1993-07-09 1994-07-05 Flüssigkeitsstand-tastsonde und steuerschaltung

Country Status (13)

Country Link
US (1) US5493922A (de)
EP (1) EP0633456B1 (de)
JP (1) JP3662951B2 (de)
KR (1) KR100434818B1 (de)
AT (1) ATE237795T1 (de)
AU (1) AU678248B2 (de)
CA (1) CA2126823C (de)
DE (1) DE69432501T2 (de)
DK (1) DK0633456T3 (de)
ES (1) ES2196017T3 (de)
FI (1) FI943270A (de)
PT (1) PT633456E (de)
ZA (1) ZA944646B (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
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US5879628A (en) * 1996-05-06 1999-03-09 Helena Laboratories Corporation Blood coagulation system having a bar code reader and a detecting means for detecting the presence of reagents in the cuvette
JP3158054B2 (ja) * 1996-07-19 2001-04-23 株式会社日立製作所 液体採取装置
US5866426A (en) * 1996-12-17 1999-02-02 Akzo Nobel N.V. Device and method for determining liquid-probe contact
US6024249A (en) * 1997-06-27 2000-02-15 Taiwan Semiconductor Manufacturing Company Fluid delivery system using an optical sensor to monitor for gas bubbles
ES2271984T3 (es) 1997-11-19 2007-04-16 Grifols, S.A. Aparato para la realizacion automatica de pruebas de laboratorio.
ES2132034B1 (es) * 1997-11-19 2000-03-01 Grifols Grupo Sa Dispositivo para la manipulacion y deteccion de nivel de liquidos.
US5992447A (en) * 1998-09-04 1999-11-30 Miller; Russell Device for filling vinyl lined pools
EP0990908A1 (de) * 1998-09-30 2000-04-05 F. Hoffmann-La Roche Ag Analysenautomat mit Mitteln zur Überwachung von Pipettiervorgängen
EP2230521A3 (de) 2000-02-29 2013-11-13 Gen-Probe Incorporated Fluidabgabe- und Flüssigkeitsoberflächenprüfungssystem und -methode
CA2342023C (en) * 2000-04-10 2007-07-03 Randox Laboratories Ltd. Paramagnetic particle detection
US20040084065A1 (en) * 2002-11-04 2004-05-06 Edelmann David Charles Systems and methods for controlling warewasher wash cycle duration, detecting water levels and priming warewasher chemical feed lines
US7222526B2 (en) * 2004-06-17 2007-05-29 Ortho-Clinical Diagnostics, Inc Liquid measurements using capacitive monitoring
WO2006053086A2 (en) * 2004-11-09 2006-05-18 Perkinelmer Las, Inc. Methods and systems for determining a position of a probe
US7150190B2 (en) * 2005-03-21 2006-12-19 Dade Behring Inc. Method and apparatus for capacitively determining the uppermost level of a liquid in a container
US8296088B2 (en) 2006-06-02 2012-10-23 Luminex Corporation Systems and methods for performing measurements of one or more materials
KR100794125B1 (ko) * 2006-07-27 2008-01-10 웅진코웨이주식회사 비접촉식 수위 제어 장치
US7814788B2 (en) 2006-10-20 2010-10-19 Abbott Laboratories, Inc. Liquid level sensor
EP1947463A1 (de) * 2007-01-16 2008-07-23 Roche Diagnostics GmbH Entnahme von flüssigen Analyseproben zum Zweck der klinischen Analyse
US7804599B2 (en) * 2008-07-24 2010-09-28 MGM Instruments, Inc. Fluid volume verification system
CA2744871A1 (en) * 2008-11-28 2010-06-03 Ametek, Inc. Apparatus for high precision measurement of varied surface and material levels
CN101858770B (zh) * 2009-04-09 2013-04-24 深圳迈瑞生物医疗电子股份有限公司 液面检测装置及加样系统
GB201015009D0 (en) 2010-09-09 2010-10-20 Randox Lab Ltd Capacitive liquid level sensor
ITMI20111313A1 (it) * 2011-07-14 2013-01-15 Carpigiani Group Ali Spa Macchina per preparazione di gelato
US9599501B2 (en) * 2011-12-29 2017-03-21 Abbott Laboratories Devices and systems for liquid level detection in hematology instruments, and methods related thereto
US9521941B2 (en) 2012-08-21 2016-12-20 Premark Feg L.L.C. Warewash machine chemical sensor and related system and method
JP6040733B2 (ja) * 2012-11-27 2016-12-07 東ソー株式会社 検知機能を有した試料分注装置
WO2014123519A1 (en) * 2013-02-06 2014-08-14 Empire Technology Development Llc Devices, systems, and methods for detecting odorants
US10240966B2 (en) 2013-07-12 2019-03-26 Siemens Healthcare Diagnostics Inc. Fluid level detection system and method
US20160097670A1 (en) * 2014-10-01 2016-04-07 Honeywell International Inc. Resolution mode switching for pulsed radar
CN104697605A (zh) * 2015-03-19 2015-06-10 北京中航赛维生物科技有限公司 一种液面智能感应电路及其装置
CH711157A2 (de) * 2015-06-02 2016-12-15 Tecan Trading Ag Verfahren zur Detektion einer Schaumgrenze und entsprechend ausgestattete Vorrichtung.
CN106289448A (zh) * 2015-06-11 2017-01-04 北京勤邦生物技术有限公司 一种液位检测预警装置
WO2017223214A1 (en) * 2016-06-22 2017-12-28 Abbott Laboratories Liquid level sensing apparatus and related methods
US11819890B2 (en) * 2016-12-27 2023-11-21 Hitachi High-Tech Corporation Nozzle cleaner and automatic analyzer using the same
CN108107929B (zh) * 2018-02-06 2023-11-10 欣灵电气股份有限公司 液位控制器
JP2022142208A (ja) * 2021-03-16 2022-09-30 キヤノンメディカルシステムズ株式会社 自動分析装置

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US4173893A (en) * 1976-10-12 1979-11-13 Hedrick Geoffrey S Fluid quantity indicator
US4169543A (en) * 1977-10-20 1979-10-02 Keystone International, Inc. Amplitude responsive detector
US4380091A (en) * 1978-11-13 1983-04-19 Lively Olin A Control circuitry for water level control of pools
US4559507A (en) * 1983-09-01 1985-12-17 Simmonds Precision Products, Inc. Controlled hybrid microcircuit oscillator
US4736638A (en) * 1985-12-20 1988-04-12 Beckman Instruments, Inc. Liquid level sensor
US4912976A (en) * 1987-06-26 1990-04-03 Beckman Instruments, Inc. Liquid level sensing apparatus
JP2582795B2 (ja) * 1987-08-10 1997-02-19 株式会社東芝 液面検知装置
US4943353A (en) * 1988-03-10 1990-07-24 Pure Water, Inc. Control for modular water distiller
US5005407A (en) * 1988-10-11 1991-04-09 Level Electronics, Inc. Fluid level sensing system
US5083470A (en) * 1990-01-18 1992-01-28 E. I. Du Pont De Nemours And Company Capacitive liquid level sensor
US5216926A (en) * 1990-04-18 1993-06-08 E. I. Du Pont De Nemours And Company Closed and open tube sampling apparatus
US5130254A (en) * 1990-05-25 1992-07-14 E. I. Du Pont De Nemours And Company Method for pipetting liquid from a sealed container
US5178019A (en) * 1991-03-26 1993-01-12 Akzo N.V. Heated liquid sampling probe for an automated sampling apparatus
JPH06507496A (ja) * 1991-06-13 1994-08-25 アボツト・ラボラトリーズ 位置決め及び細胞カウントのための光学像形成
US5365783A (en) * 1993-04-30 1994-11-22 Packard Instrument Company, Inc. Capacitive sensing system and technique

Also Published As

Publication number Publication date
EP0633456A1 (de) 1995-01-11
EP0633456B1 (de) 2003-04-16
FI943270A0 (fi) 1994-07-08
ES2196017T3 (es) 2003-12-16
ZA944646B (en) 1995-02-13
JP3662951B2 (ja) 2005-06-22
PT633456E (pt) 2003-09-30
KR100434818B1 (ko) 2004-10-20
AU678248B2 (en) 1997-05-22
US5493922A (en) 1996-02-27
CA2126823A1 (en) 1995-01-10
JPH07146166A (ja) 1995-06-06
CA2126823C (en) 2004-08-24
AU6736194A (en) 1995-01-19
DE69432501D1 (de) 2003-05-22
DE69432501T2 (de) 2004-01-08
KR960014912A (ko) 1996-05-22
DK0633456T3 (da) 2003-05-19
FI943270A (fi) 1995-01-10

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