GB9318442D0 - Apparatus for monitoring an electrical cell - Google Patents

Apparatus for monitoring an electrical cell

Info

Publication number
GB9318442D0
GB9318442D0 GB939318442A GB9318442A GB9318442D0 GB 9318442 D0 GB9318442 D0 GB 9318442D0 GB 939318442 A GB939318442 A GB 939318442A GB 9318442 A GB9318442 A GB 9318442A GB 9318442 D0 GB9318442 D0 GB 9318442D0
Authority
GB
United Kingdom
Prior art keywords
monitoring
electrical cell
cell
electrical
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.)
Granted
Application number
GB939318442A
Other versions
GB2270754B (en
GB2270754A (en
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
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 Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Publication of GB9318442D0 publication Critical patent/GB9318442D0/en
Publication of GB2270754A publication Critical patent/GB2270754A/en
Application granted granted Critical
Publication of GB2270754B publication Critical patent/GB2270754B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/484—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring electrolyte level, electrolyte density or electrolyte conductivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/022—Liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02433—Gases in liquids, e.g. bubbles, foams
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Secondary Cells (AREA)
GB9318442A 1992-09-05 1993-09-06 Apparatus for monitoring an electrical cell Expired - Fee Related GB2270754B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4229735A DE4229735C2 (en) 1992-09-05 1992-09-05 Device for determining the temperature, the acid level and the acid density in the acid space of a battery, in particular a lead-acid battery, filled up to an acid level with acid

Publications (3)

Publication Number Publication Date
GB9318442D0 true GB9318442D0 (en) 1993-10-20
GB2270754A GB2270754A (en) 1994-03-23
GB2270754B GB2270754B (en) 1996-03-27

Family

ID=6467337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9318442A Expired - Fee Related GB2270754B (en) 1992-09-05 1993-09-06 Apparatus for monitoring an electrical cell

Country Status (3)

Country Link
DE (1) DE4229735C2 (en)
GB (1) GB2270754B (en)
IT (1) IT1272570B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819013C2 (en) * 1998-04-29 2000-09-28 Ulrich Kuipers Arrangement for measuring the density, the filling level and the temperature of the electrolyte of battery cells and their use
US9548520B2 (en) 2012-05-11 2017-01-17 Liebert Corporation Ultrasonic electrolyte sensor
EP2816630A1 (en) * 2013-06-17 2014-12-24 Siemens Aktiengesellschaft Electrochemical storage device with status detector
DE102015008767B4 (en) 2015-07-06 2020-08-20 Audi Ag Electrical energy storage device, motor vehicle and method for operating an electrical energy storage device
DE102018218012A1 (en) 2018-10-22 2020-04-23 Robert Bosch Gmbh Method for diagnosing a mechanical state of an electrochemical energy store
DE102019109215A1 (en) * 2019-04-08 2020-10-08 Kautex Textron Gmbh & Co. Kg Operating fluid container with ultrasonic level sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086934A5 (en) * 1970-04-14 1971-12-31 Fulmen
GB8607111D0 (en) * 1986-03-21 1986-04-30 Procontech Ltd Liquid level sensing
DE3915475A1 (en) * 1989-05-11 1990-11-15 Siemens Ag Sensor measuring charge of accumulator with moving float - dependent on acid density and float on surface of electrolyte and sensor for measuring temp.
US5121340A (en) * 1990-06-08 1992-06-09 Campbell Scientific, Inc. Multi-level probe and system for measurement of physical conditions in liquid-containing tanks
ES2073630T3 (en) * 1990-09-28 1995-08-16 Siemens Ag ULTRASONIC DENSIMETER (US) TO MEASURE THE SPECIFIC DENSITY OF A FLUID.

Also Published As

Publication number Publication date
GB2270754B (en) 1996-03-27
DE4229735A1 (en) 1994-03-10
IT1272570B (en) 1997-06-23
GB2270754A (en) 1994-03-23
DE4229735C2 (en) 1994-11-10
ITMI931901A0 (en) 1993-09-03
ITMI931901A1 (en) 1995-03-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970906