DE4031981A1 - Measuring unit for washing machines - for accurate measurement of moisture and temp. of washing and of chemical compsn. of washing soln. - Google Patents

Measuring unit for washing machines - for accurate measurement of moisture and temp. of washing and of chemical compsn. of washing soln.

Info

Publication number
DE4031981A1
DE4031981A1 DE4031981A DE4031981A DE4031981A1 DE 4031981 A1 DE4031981 A1 DE 4031981A1 DE 4031981 A DE4031981 A DE 4031981A DE 4031981 A DE4031981 A DE 4031981A DE 4031981 A1 DE4031981 A1 DE 4031981A1
Authority
DE
Germany
Prior art keywords
washing
measuring
moisture
temp
soln
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
DE4031981A
Other languages
German (de)
Other versions
DE4031981C2 (en
Inventor
Martin Dipl Ing Englmeier
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.)
Conti Temic Microelectronic GmbH
Original Assignee
Telefunken Electronic 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 Telefunken Electronic GmbH filed Critical Telefunken Electronic GmbH
Priority to DE4031981A priority Critical patent/DE4031981C2/en
Publication of DE4031981A1 publication Critical patent/DE4031981A1/en
Application granted granted Critical
Publication of DE4031981C2 publication Critical patent/DE4031981C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/12—Temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight

Abstract

Unit for measuring the temp. and moisture degree of the washing and chemical comspn. of the washing soln. in the washing drum of a washing machine. The temp. measuring sensor, moisture measuring sensor and the sensor for measuring the chemical compsn. are incorporated into a container located in the washing drum together with the washing. A receiver is located outside the drum for receiving the measuring results, which are led on to the control unit of the washing machine for evaluation. ADVANTAGE - Permits exact measuring of temp. moisture and chemical compsn..

Description

Die Erfindung betrifft eine Meßvorrichtung für Tempera­ tur- und Feuchtegradmessung des Waschgutes sowie für die Messung der chemischen Zusammensetzung der Waschlauge in einer Waschtrommel einer Waschmaschine gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a measuring device for tempera tur- and moisture degree measurement of the laundry and for the measurement of the chemical composition of the Soapy water in a washing drum of a washing machine according to the preamble of claim 1.

Die Messung der Temperatur bei Waschmaschinen wird in der Regel dadurch vorgenommen, daß die Temperatur des in die Waschtrommel fließenden Wassers festgestellt wird. Diese Temperatur entspricht natürlich nicht der in der Waschtrommel während des Waschvorganges im Waschgut herrschenden tatsächlichen Temperatur. Dies trifft ebenso zu für die Messung des tatsächlichen Feuchtegrades des Waschgutes nach dem Schleudervorgang bzw. während eines Trocknungsvorganges. Das Wascher­ gebnis hängt unter anderem von einer exakten Einhaltung der eingestellten Temperatur ab. Weiterhin können bei zu hoher Waschtemperatur manche Textilien zu stark strapaziert werden, wodurch deren Lebensdauer sinkt. Schließlich läßt sich mit einer exakten Kenntnis des Feuchtegrades der Wäsche der Energieeinsatz für den Schleuder- bzw. Trocknungsvorgang minimieren. Auch die Messung der chemischen Zusammensetzung der Waschlauge, beispielsweise des Ph-Wertes, ist im Hinblick eines op­ timalen, waschmittelsparenden Waschvorganges wünschens­ wert.The measurement of temperature in washing machines is in usually made by the temperature of the water flowing into the washing drum becomes. This temperature is of course not the same in the washing drum during the washing process in Laundry actual temperature. This also applies to the measurement of the actual Degree of moisture of the laundry after the spin cycle or during a drying process. The washer The result depends, among other things, on exact compliance the set temperature. Furthermore, at too high washing temperature some textiles too strong be stressed, which reduces their lifespan. Finally, with an exact knowledge of the Moisture levels of the laundry the energy input for the Minimize the spinning or drying process. Also the Measurement of the chemical composition of the wash liquor, for example the pH value, is in view of an op  a quick, detergent-saving washing process value.

Die Aufgabe der Erfindung besteht daher darin, eine Meßvorrichtung für Waschmaschinen der eingangs genann­ ten Art anzugeben, die eine exakte Messung der Tempera­ tur und des Feuchtegrades des Waschgutes sowie der chemischen Zusammensetzung der Waschlauge zuläßt.The object of the invention is therefore a Measuring device for washing machines mentioned above Specify the type that an exact measurement of the tempera structure and the degree of moisture of the laundry and the chemical composition of the wash liquor.

Die Lösung dieser Aufgabe ist bei der erfindungsgemäßen Meßvorrichtung durch die kennzeichnenden Merkmale des Patentanspruches 1 gelöst.The solution to this problem is with the invention Measuring device by the characteristic features of the Claim 1 solved.

Demnach besteht das Wesen der Erfindung darin, die Tem­ peratur und den Feuchtegrad direkt sowie die chemische Zusammensetzung im Waschgut bzw. in der Waschlauge zu ermitteln und nicht-drahtgebunden mittels einer Sende­ einheit einer Empfangseinheit zu übermitteln, die außerhalb der Trommel in der Waschmaschine angeordnet ist. Die der Steuereinheit der Waschmaschine zugeführ­ ten Meßergebnisse können derart verarbeitet werden, daß eine optimale Steuerung des Waschvorganges erzielt wird.Accordingly, the essence of the invention is that the tem temperature and the degree of moisture directly as well as the chemical Composition in the laundry or in the wash liquor too determine and not wired by means of a transmission to transmit a receiving unit, the arranged outside the drum in the washing machine is. The supplied to the control unit of the washing machine th measurement results can be processed such that optimal control of the washing process achieved becomes.

Im folgenden wird die Erfindung anhand eines Ausfüh­ rungsbeispieles im Zusammenhang mit der einzigen Figur erläutert.In the following the invention is based on an embodiment Example in connection with the single figure explained.

Diese Figur zeigt eine schematische Darstellung einer Waschmaschine 1 mit einer Waschtrommel 3 und einer Steuereinheit 6, die auch die Bedieneinheiten aufweist. Die Waschtrommel 3 enthält außer dem Waschgut 4 eine Meßkugel 2, die ein kugelförmiges Behältnis für einen Temperatur- und einen Feuchtegradmeßfühler sowie einen Meßfühler zur Bestimmung der chemischen Zusammenset­ zung, beispielsweise des ph-Wertes, zusammen mit einer Meßelektronik und einer Sendeeinheit enthält. Die Sen­ deeinheit dient zur drahtlosen Übermittlung der von der Meßelektronik aufgenommenen Meßergebnisse zu einer Emp­ fangseinheit 5, die außerhalb der Waschtrommel 3 in dem Gehäuse der Waschmaschine 1 angeordnet ist. Diese Meßergebnisse werden dann an die Steuereinheit 6 der Waschmaschine weitergeleitet.This figure shows a schematic representation of a washing machine 1 with a washing drum 3 and a control unit 6 , which also has the operating units. The washing drum 3 contains, in addition to the items to be washed 4, a measuring ball 2 which contains a spherical container for a temperature and a moisture degree measuring sensor and a measuring sensor for determining the chemical composition, for example the pH value, together with measuring electronics and a transmitting unit. The Sen deeinheit is used for wireless transmission of the measurement results recorded by the measuring electronics to an Emp receiving unit 5 , which is arranged outside the washing drum 3 in the housing of the washing machine 1 . These measurement results are then forwarded to the control unit 6 of the washing machine.

Zur Energieversorgung der Meßelektronik und der Sende­ einheit kann in der Meßkugel 2 ein Energiespeicher, beispielsweise eine auswechselbare Batterie vorgesehen werden. Auch kann hierzu ein aufladbarer Energiespei­ cher, beispielsweise ein Kondensator vorgesehen werden, der vor Beginn des Waschvorganges aufgeladen wird, und soviel elektrische Energie enthält, daß die Meßelektro­ nik und die Sendeeinheit während des gesamten Waschvor­ ganges mit ausreichender Betriebsspannung versorgt wird.To supply energy to the measuring electronics and the transmitting unit, an energy store, for example a replaceable battery, can be provided in the measuring ball 2 . Also, a rechargeable Energiespei cher, for example, a capacitor can be provided, which is charged before the start of the washing process, and contains enough electrical energy that the measuring electronics and the transmitter unit is supplied with sufficient operating voltage during the entire washing process.

Für die Form des die Meßfühler, die Meßelektronik und die Sendeeinheit aufnehmenden Behältnisses 2 kann auch eine andere als die in diesem Beispiel angeführte Form vorgesehen werden.A shape other than that shown in this example can also be provided for the shape of the container 2 which receives the measuring sensors, the measuring electronics and the transmitting unit.

Claims (1)

Meßvorrichtung für Temperatur- und Feuchtegradmes­ sung des Waschgutes sowie für die Messung der chemi­ schen Zusammensetzung der Waschlauge in einer Wasch­ trommel einer Waschmaschine, die eine Steuereinheit aufweist, dadurch gekennzeichnet, daß Temperaturmeßfüh­ ler, Feuchtegradmeßfühler und Meßfühler zur Messung der chemischen Zusammensetzung zusammen mit einer Meßelek­ tronik und einer zur drahtlosen Übertragung der Meßer­ gebnisse vorgesehenen Sendeeinheit in einem Behält­ nis (2) untergebracht sind, wobei dieses Behältnis (2) zusammen mit dem Waschgut (4) sich in der Waschtrom­ mel (3) befindet, daß außerhalb der Waschtrommel (3) zum Empfang der Meßergebnisse eine Empfangseinheit (5) vorgesehen ist und daß die von der Empfangseinheit (5) empfangenen Meßergebnisse zur Auswertung an die Steuereinheit (6) der Waschmaschine (1) weitergeleitet werden.Measuring device for temperature and humidity measurement of the laundry and for measuring the chemical composition of the wash liquor in a washing drum of a washing machine which has a control unit, characterized in that temperature sensors, moisture level sensors and sensors for measuring the chemical composition together with a measuring electrode electronics and results of for the wireless transmission of the knife provided for transmitting unit are housed in a container nis (2), said container (2) to (3) is located together with the laundry (4) in the Waschtrom mel that outside the washing tub (3 ) a reception unit ( 5 ) is provided for receiving the measurement results and that the measurement results received by the reception unit ( 5 ) are forwarded to the control unit ( 6 ) of the washing machine ( 1 ) for evaluation.
DE4031981A 1990-10-09 1990-10-09 Measuring device for washing machines Expired - Fee Related DE4031981C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4031981A DE4031981C2 (en) 1990-10-09 1990-10-09 Measuring device for washing machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4031981A DE4031981C2 (en) 1990-10-09 1990-10-09 Measuring device for washing machines

Publications (2)

Publication Number Publication Date
DE4031981A1 true DE4031981A1 (en) 1992-04-16
DE4031981C2 DE4031981C2 (en) 1996-03-07

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Family Applications (1)

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Country Status (1)

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DE (1) DE4031981C2 (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549467A1 (en) * 1991-12-23 1993-06-30 Crouzet Appliance Controls Stop control system for a laundry dryer
DE4304009A1 (en) * 1993-02-11 1994-08-18 Miele & Cie Laundry treatment appliance
DE4415823A1 (en) * 1994-05-05 1995-11-09 Licentia Gmbh Household dish washer cleaning programme
DE19712365A1 (en) * 1997-03-25 1998-10-01 Smartco Mes Und Regeltechnik G Wood moisture detection device for wood drying chamber
DE29808479U1 (en) * 1998-04-30 1999-09-09 Geraberger Thermometerwerk Gmb Electronic clinical thermometer
DE19816872A1 (en) * 1998-04-16 1999-10-28 Ebro Electronic Electronic barograph for use in autoclaves
WO2001007702A1 (en) * 1999-07-27 2001-02-01 Unilever N.V. Method and monitoring device for monitoring a wash process
EP1306045A1 (en) * 2001-10-23 2003-05-02 Chemische Fabrik Dr. Weigert GmbH & Co. KG. Device for monitoring the washing in a dishwasher
EP1321563A2 (en) * 2001-12-21 2003-06-25 BSH Bosch und Siemens Hausgeräte GmbH Laundry treatment device
US6822461B2 (en) 2001-12-28 2004-11-23 Ebro Electronic Gmbh & Co. Kg Process and device for measuring the state of degradation of oils or fats
US6958693B2 (en) 2002-05-24 2005-10-25 Procter & Gamble Company Sensor device and methods for using same
DE102004056796A1 (en) * 2004-11-24 2006-06-01 Ebro Electronic Gmbh & Co. Kg Device for recording and storing measured values
WO2007004173A1 (en) * 2005-06-30 2007-01-11 The Procter & Gamble Company A fabric article treating device and system
WO2008022741A1 (en) * 2006-08-23 2008-02-28 Meiko Maschinenbau Gmbh & Co. Kg Method for assessing and guaranteeing the thermal hygiene effect in a multi-tank dishwasher
RU2442852C2 (en) * 2006-09-04 2012-02-20 Электролюкс Хоум Продактс Корпорейшн Н.В. Washing machine with dryer or drying machine with modified control unit
WO2018224268A1 (en) * 2017-06-09 2018-12-13 Arcelik Anonim Sirketi A bearer suitable for use with a washer-dryer
WO2018224267A1 (en) * 2017-06-08 2018-12-13 Arcelik Anonim Sirketi A bearer and a washer-dryer using the same
WO2019037992A1 (en) * 2017-08-25 2019-02-28 Arcelik Anonim Sirketi A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer
WO2019219363A1 (en) * 2018-05-17 2019-11-21 Arcelik Anonim Sirketi A washer-dryer in which dryness of the laundry items is effectively detected
WO2019219365A1 (en) * 2018-05-17 2019-11-21 Arcelik Anonim Sirketi A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer
CN112127129A (en) * 2019-06-25 2020-12-25 三星电子株式会社 Wireless sensing device, dryer and control method thereof
WO2021261773A1 (en) * 2020-06-26 2021-12-30 삼성전자주식회사 Sensing device for dryer
EP4310236A1 (en) 2022-07-20 2024-01-24 BSH Hausgeräte GmbH Measuring unit of household appliance

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DE19713686A1 (en) * 1997-04-03 1998-10-08 Frank Dipl Ing Arbeiter Indicator unit e.g for programme-controlled washing machine or drier
DE19810907C2 (en) * 1998-03-12 2003-05-08 Maas Ruth Detection device for laundry items
DE102021203780A1 (en) 2021-04-16 2022-10-20 BSH Hausgeräte GmbH System for determining washing-mechanical data in a laundry treatment device and method for its operation

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Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549467A1 (en) * 1991-12-23 1993-06-30 Crouzet Appliance Controls Stop control system for a laundry dryer
DE4304009A1 (en) * 1993-02-11 1994-08-18 Miele & Cie Laundry treatment appliance
DE4304009C2 (en) * 1993-02-11 1999-07-01 Miele & Cie Laundry treating appliance
DE4415823C2 (en) * 1994-05-05 2001-07-19 Aeg Hausgeraete Gmbh Method for controlling the washing program in household dishwashers and device for carrying out the method
DE4415823A1 (en) * 1994-05-05 1995-11-09 Licentia Gmbh Household dish washer cleaning programme
DE19712365A1 (en) * 1997-03-25 1998-10-01 Smartco Mes Und Regeltechnik G Wood moisture detection device for wood drying chamber
DE19712365C2 (en) * 1997-03-25 2000-06-21 Smartco Mes Und Regeltechnik G Wood moisture detection device of a wood drying chamber
DE19816872A1 (en) * 1998-04-16 1999-10-28 Ebro Electronic Electronic barograph for use in autoclaves
US6308574B1 (en) 1998-04-16 2001-10-30 Ebro Electronic Gmbh & Co. Kg Measuring device to measure the pressure of an atmosphere
DE19816872B4 (en) * 1998-04-16 2005-12-15 Ebro Electronic Gmbh & Co. Kg Measuring device for measuring the pressure of an atmosphere
DE29808479U1 (en) * 1998-04-30 1999-09-09 Geraberger Thermometerwerk Gmb Electronic clinical thermometer
WO2001007702A1 (en) * 1999-07-27 2001-02-01 Unilever N.V. Method and monitoring device for monitoring a wash process
US6536060B1 (en) 1999-07-27 2003-03-25 Unilever Home & Personal Care Usa Division Of Conopco, Inc. Method and monitoring device for monitoring a wash process
AU758793B2 (en) * 1999-07-27 2003-03-27 Unilever Plc Method and monitoring device for monitoring a wash process
EP1306045A1 (en) * 2001-10-23 2003-05-02 Chemische Fabrik Dr. Weigert GmbH & Co. KG. Device for monitoring the washing in a dishwasher
EP1321563A3 (en) * 2001-12-21 2004-04-21 BSH Bosch und Siemens Hausgeräte GmbH Laundry treatment device
DE10163200A1 (en) * 2001-12-21 2003-07-10 Bsh Bosch Siemens Hausgeraete Laundry treatment device
EP1321563A2 (en) * 2001-12-21 2003-06-25 BSH Bosch und Siemens Hausgeräte GmbH Laundry treatment device
US6822461B2 (en) 2001-12-28 2004-11-23 Ebro Electronic Gmbh & Co. Kg Process and device for measuring the state of degradation of oils or fats
US6958693B2 (en) 2002-05-24 2005-10-25 Procter & Gamble Company Sensor device and methods for using same
DE102004056796A1 (en) * 2004-11-24 2006-06-01 Ebro Electronic Gmbh & Co. Kg Device for recording and storing measured values
US7935306B2 (en) 2004-11-24 2011-05-03 Ebro Electronic Gmbh & Co. Kg Measurement system
WO2007004173A1 (en) * 2005-06-30 2007-01-11 The Procter & Gamble Company A fabric article treating device and system
WO2008022741A1 (en) * 2006-08-23 2008-02-28 Meiko Maschinenbau Gmbh & Co. Kg Method for assessing and guaranteeing the thermal hygiene effect in a multi-tank dishwasher
RU2442852C2 (en) * 2006-09-04 2012-02-20 Электролюкс Хоум Продактс Корпорейшн Н.В. Washing machine with dryer or drying machine with modified control unit
WO2018224267A1 (en) * 2017-06-08 2018-12-13 Arcelik Anonim Sirketi A bearer and a washer-dryer using the same
WO2018224268A1 (en) * 2017-06-09 2018-12-13 Arcelik Anonim Sirketi A bearer suitable for use with a washer-dryer
WO2019037992A1 (en) * 2017-08-25 2019-02-28 Arcelik Anonim Sirketi A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer
WO2019219363A1 (en) * 2018-05-17 2019-11-21 Arcelik Anonim Sirketi A washer-dryer in which dryness of the laundry items is effectively detected
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EP3794176B1 (en) * 2018-05-17 2023-08-02 Arçelik Anonim Sirketi A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer
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EP4310236A1 (en) 2022-07-20 2024-01-24 BSH Hausgeräte GmbH Measuring unit of household appliance

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