EP2887764A3 - Domestic appliance and monitoring method for a domestic appliance - Google Patents

Domestic appliance and monitoring method for a domestic appliance Download PDF

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Publication number
EP2887764A3
EP2887764A3 EP14198582.0A EP14198582A EP2887764A3 EP 2887764 A3 EP2887764 A3 EP 2887764A3 EP 14198582 A EP14198582 A EP 14198582A EP 2887764 A3 EP2887764 A3 EP 2887764A3
Authority
EP
European Patent Office
Prior art keywords
domestic appliance
household appliance
monitoring method
node
feedback signal
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
EP14198582.0A
Other languages
German (de)
French (fr)
Other versions
EP2887764B1 (en
EP2887764A2 (en
Inventor
Ralf Hochhausen
Ralf Krebs
Markus Wecker
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2887764A2 publication Critical patent/EP2887764A2/en
Publication of EP2887764A3 publication Critical patent/EP2887764A3/en
Application granted granted Critical
Publication of EP2887764B1 publication Critical patent/EP2887764B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • 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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • 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
    • A47L15/4285—Water-heater arrangements

Landscapes

  • Control Of Resistance Heating (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

Die Erfindung betrifft ein Haushaltsgerät (1), insbesondere ein wasserführendes Haushaltsgerät, mit zumindest zwei Heizelementen (3, 4), wobei ein jeweiliges Heizelement der zumindest zwei Heizelemente (3, 4) über einen jeweiligen ersten Knoten (K1, K2) mit einem jeweiligen Arbeitsrelais (5, 6) zur Ansteuerung des jeweiligen Heizelementes (3, 4) gekoppelt ist, wobei die ersten Knoten (K1, K2) über eine Feedback-Einrichtung (FB) zur Bereitstellung eines gemeinsamen Arbeitsrelais-Feedback-Signals (7) hochohmig gekoppelt sind, und einer Überwachungseinrichtung (2) zum Überwachen des bereitgestellten Arbeitsrelais-Feedback-Signals (7), um einen Fehlerzustand des Haushaltsgerätes (1) zu erkennen.

Figure imgaf001
The invention relates to a household appliance (1), in particular a water-conducting household appliance, with at least two heating elements (3, 4), wherein a respective heating element of the at least two heating elements (3, 4) via a respective first node (K1, K2) with a respective Operating relay (5, 6) for driving the respective heating element (3, 4) is coupled, wherein the first node (K1, K2) via a feedback device (FB) for providing a common working relay feedback signal (7) coupled high impedance and monitoring means (2) for monitoring the provided working relay feedback signal (7) to detect a fault condition of the household appliance (1).
Figure imgaf001
EP14198582.0A 2013-12-20 2014-12-17 Domestic appliance and monitoring method for a domestic appliance Active EP2887764B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013226833.5A DE102013226833A1 (en) 2013-12-20 2013-12-20 Home appliance and monitoring method for a household appliance

Publications (3)

Publication Number Publication Date
EP2887764A2 EP2887764A2 (en) 2015-06-24
EP2887764A3 true EP2887764A3 (en) 2015-07-08
EP2887764B1 EP2887764B1 (en) 2016-10-12

Family

ID=52103078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14198582.0A Active EP2887764B1 (en) 2013-12-20 2014-12-17 Domestic appliance and monitoring method for a domestic appliance

Country Status (3)

Country Link
EP (1) EP2887764B1 (en)
DE (1) DE102013226833A1 (en)
PL (1) PL2887764T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017206102A1 (en) * 2017-04-10 2018-10-11 BSH Hausgeräte GmbH Switching arrangement for checking a switching element
CN111557626A (en) * 2020-05-21 2020-08-21 上海明略人工智能(集团)有限公司 Method and device for detecting faults of heating pipe of dish-washing machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007317409A (en) * 2006-05-23 2007-12-06 Inax Corp Heater malfunction detecting circuit
EP2353485A1 (en) * 2010-02-05 2011-08-10 Whirlpool Corporation An improved load driving circuit for an electrical household appliance, such as a washing machine, dishwasher or drier
DE102010028533A1 (en) * 2010-05-04 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Home appliance and method for checking an electrical load of a household appliance
EP2386680A1 (en) * 2010-05-14 2011-11-16 Electrolux Home Products Corporation N.V. Heating circuit with monitoring arrangement for a household appliance
EP2386806B1 (en) * 2010-05-14 2013-05-22 Electrolux Home Products Corporation N.V. Monitoring faults in the heating circuit of an appliance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634842A (en) * 1984-12-28 1987-01-06 General Electric Company Diagnostic testing arrangement for an electric cooking appliance incorporating commutated relay switching circuits
DE19755089C2 (en) 1997-12-11 2003-07-03 Whirlpool Co Safety circuit for a heating circuit in a washing machine, dishwasher or dryer
EP2386675B1 (en) * 2010-05-14 2014-07-16 Electrolux Home Products Corporation N.V. Heating circuit with monitoring arrangement for a household appliance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007317409A (en) * 2006-05-23 2007-12-06 Inax Corp Heater malfunction detecting circuit
EP2353485A1 (en) * 2010-02-05 2011-08-10 Whirlpool Corporation An improved load driving circuit for an electrical household appliance, such as a washing machine, dishwasher or drier
DE102010028533A1 (en) * 2010-05-04 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Home appliance and method for checking an electrical load of a household appliance
EP2386680A1 (en) * 2010-05-14 2011-11-16 Electrolux Home Products Corporation N.V. Heating circuit with monitoring arrangement for a household appliance
EP2386806B1 (en) * 2010-05-14 2013-05-22 Electrolux Home Products Corporation N.V. Monitoring faults in the heating circuit of an appliance

Also Published As

Publication number Publication date
PL2887764T3 (en) 2017-03-31
EP2887764B1 (en) 2016-10-12
EP2887764A2 (en) 2015-06-24
DE102013226833A1 (en) 2015-06-25

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