DE4031981C2 - Measuring device for washing machines - Google Patents
Measuring device for washing machinesInfo
- Publication number
- DE4031981C2 DE4031981C2 DE4031981A DE4031981A DE4031981C2 DE 4031981 C2 DE4031981 C2 DE 4031981C2 DE 4031981 A DE4031981 A DE 4031981A DE 4031981 A DE4031981 A DE 4031981A DE 4031981 C2 DE4031981 C2 DE 4031981C2
- Authority
- DE
- Germany
- Prior art keywords
- washing
- measuring
- measuring device
- temperature
- measurement
- 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.)
- Expired - Fee Related
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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Description
Die Erfindung betrifft eine Meßvorrichtung für Temperatur- und Feuchtegradmessung des Waschgutes sowie für die Messung der chemischen Zusammensetzung der Waschlauge in einer Waschtrommel einer Waschmaschine gemäß dem Oberbegriff des Patentanspruches 1 (DE 86 05 065 U1).The invention relates to a measuring device for temperature and Moisture level measurement of the laundry and for measuring the chemical composition of the wash liquor in a washing drum a washing machine according to the preamble of claim 1 (DE 86 05 065 U1).
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 optimalen, waschmittelsparenden Waschvorganges wünschenswert.The measurement of temperature in washing machines is usually done made that the temperature of the flowing into the washing drum Water is detected. Of course, this temperature does not correspond to that in the washing drum in the laundry during the washing process prevailing actual temperature. This also applies to the Measurement of the actual moisture level of the laundry after Spin process or during a drying process. The washer The result depends, among other things, on exact adherence to the set Temperature. Furthermore, if the washing temperature is too high, some Textiles are too stressed, which reduces their lifespan. Finally, with an exact knowledge of the degree of moisture the Wash the energy used for the spinning or drying process minimize. Even measuring the chemical composition of the Wash liquor, for example the pH value, is in view of an optimal detergent-saving washing process desirable.
So ist in der gattungsbildenden DE 86 05 065 U1 eine Drehtrommel-Industrie waschmaschine mit einer Regelungseinrichtung für eine Produktkonzen tration des Waschgutes vorgesehen, wobei die Regelungseinrichtung aus einer Meßvorrichtung zur Messung eines konzentrationsabhängigen phy sikalischen Parameters des Waschgutes, aus einer Dosiereinrichtung zum Eindosieren des Produkts in das Waschgut und aus einer elektrischen Re geleinheit zum Überwachen der Meßvorrichtung und zum Einstellen der Do sierung der Dosiereinrichtung in Abhängigkeit von dem durch die Überwa chung der Meßvorrichtung festgestellten Meßergebnis des konzentrations abhängigen physikalischen Parameters besteht, wobei die Produktkonzen trationsregelungseinrichtung derart ausgebildet und angeordnet ist, daß ihre Meßvorrichtung an der Trommel anzuordnen und zugleich mit dieser in Drehbewegung zu versetzen ist.So is in the generic DE 86 05 065 U1 a rotary drum industry Washing machine with a control device for a product concentration tration of the laundry is provided, the control device a measuring device for measuring a concentration-dependent phy sical parameters of the laundry, from a dosing device to Dosing the product into the laundry and from an electrical re Gel unit for monitoring the measuring device and for setting the Do. sation of the dosing device as a function of that by the monitoring Chung the measuring device determined result of the concentration dependent physical parameters, the product conc tion control device is designed and arranged such that arrange their measuring device on the drum and at the same time with this in Is to be rotated.
Die elektrische Verbindung zwischen der Meßvorrichtung und der Regeleinheit ist in Form eines Schleifkontakts in der Welle ausgebildet. Diese Art der elektrischen Verbindung findet sich bereits bei einer herkömmlichen Art einer Eintrommel-Tunnelwaschmaschine in der Form eines Schleifring/Kohlebürsten-Kontakts, der das Thermometer in der Trommel mit der Temperatur-Regeleinheit verbindet.The electrical connection between the measuring device and the Control unit is designed in the form of a sliding contact in the shaft. These The type of electrical connection is already found in one conventional type of a single drum tunnel washing machine in the form a slip ring / carbon brush contact, which the thermometer in the Connects drum to the temperature control unit.
Da die bekannte Meßvorrichtung fest mit der Waschtrommel verbunden ist, dreht sie sich mit dieser während des Waschbetriebes und taucht daher zyklisch aus dem Waschgut, so daß beispielsweise eine Temperaturmessung ungenau wird. Es müssen daher entsprechende Maßnahmen getroffen werden, die eine Verfälschung des Meßergebnisses verhindern.Since the known measuring device is firmly connected to the washing drum, she turns with it during the washing operation and therefore dives cyclically from the laundry, so that for example a temperature measurement becomes inaccurate. Appropriate measures must therefore be taken that prevent falsification of the measurement result.
Der Vollständigkeit halber wird erwähnt, daß aus der Druckschrift Techn. Mitt. AEG Telefunken 63 (1973), 7, Seite 278 bis 284 eine kontaktlose Meßvorrichtung zum kontinuierlichen Erfassen von Temperaturwerten auf rotierenden Teilen, insbesondere bei elektrischen Maschinen, bekannt ist. Auch bei dieser bekannten Meßvorrichtung ist die Meßelektronik zusammen mit dem Temperaturfühler fest mit dem rotierenden Teil verbunden, so daß bei Verwendung dieser Meßvorrichtung in einer Waschtrommel das schon o.g. Problem ebenfalls auftritt.For the sake of completeness, it is mentioned that Techn. Mitt. AEG Telefunken 63 (1973), 7, pages 278 to 284 a contactless Measuring device for the continuous recording of temperature values rotating parts, especially in electrical machines, is known. In this known measuring device, the measuring electronics are together with the temperature sensor firmly connected to the rotating part, so that when using this measuring device in a washing drum the above. Problem also occurs.
Die Aufgabe der Erfindung besteht daher darin, eine Meßvorrichtung für Waschmaschinen der eingangs genannten Art anzugeben, die eine exakte Messung der Temperatur und des Feuchtegrades des Waschgutes sowie der chemischen Zusammensetzung der Waschlauge zuläßt, ohne die oben ge nannten Nachteile aufzuweisen.The object of the invention is therefore to provide a measuring device for To specify washing machines of the type mentioned that have an exact Measurement of the temperature and the degree of moisture of the laundry as well as the chemical composition of the wash liquor allows without the above ge mentioned disadvantages.
Die Lösung dieser Aufgabe ist bei der erfindungsgemäßen Meßvorrichtung durch die kennzeichnenden Merkmale des Patentanspruches 1 gelöst. This object is achieved in the measuring device according to the invention solved by the characterizing features of claim 1.
Demnach besteht das Wesen der Erfindung darin, die Temperatur und den Feuchtegrad direkt sowie die chemische Zusammensetzung im Waschgut bzw. in der Waschlauge zu ermitteln und nicht-drahtgebunden mittels einer Sendeeinheit einer Empfangseinheit zu übermitteln, die außerhalb der Trommel in der Waschmaschine angeordnet ist. Die der Steuereinheit der Waschmaschine zugeführten Meßergebnisse können derart verarbeitet wer den, daß eine optimale Steuerung des Waschvorganges erzielt wird.Accordingly, the essence of the invention is the temperature and the Degree of moisture directly as well as the chemical composition in the laundry or in the wash liquor and not wired using a Transmitting unit to transmit a receiving unit that is outside the Drum is arranged in the washing machine. That of the control unit of the Measurement results fed to the washing machine can be processed in this way that an optimal control of the washing process is achieved.
Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles im Zu sammenhang mit der einzigen Figur erläutert.In the following the invention based on an embodiment in Zu 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 Bedieneinhei ten aufweist. Die Waschtrommel 3 enthält außer dem Waschgut 4 eine Meß kugel 2, die ein kugelförmiges Behältnis für einen Temperatur- und einen Feuchtegradmeßfühler sowie einen Meßfühler zur Bestimmung der chemi schen Zusammensetzung, beispielsweise des ph-Wertes, zusammen mit ei ner Meßelektronik und einer Sendeeinheit enthält. Die Sendeeinheit dient zur drahtlosen Übermittlung der von der Meßelektronik aufgenommenen Meßergebnisse zu einer Empfangseinheit 5, die außerhalb der Waschtrom mel 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 laundry 4, a measuring ball 2 , which contains a spherical container for a temperature and a humidity level sensor and a sensor for determining the chemical composition, for example the pH value, together with egg measuring electronics and a transmitting unit. The transmitter unit is used for wireless transmission of the measurement results recorded by the measuring electronics to a receiving unit 5 , which is arranged outside the wash flow mel 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 Sendeeinheit kann in der Meßkugel 2 ein Energiespeicher, beispielsweise eine auswechselbare Batte rie vorgesehen werden. Auch kann hierzu ein aufladbarer Energiespeicher, beispielsweise ein Kondensator vorgesehen werden, der vor Beginn des Waschvorganges aufgeladen wird, und soviel elektrische Energie enthält, daß die Meßelektronik und die Sendeeinheit während des gesamten Wasch vorganges mit ausreichender Betriebsspannung versorgt wird.To supply energy to the measuring electronics and the transmitter unit, an energy store, for example a replaceable battery, can be provided in the measuring ball 2 . Also, a rechargeable energy storage device, for example a capacitor, can be provided for this purpose, which is charged before the start of the washing process and contains so much electrical energy that the measuring electronics and the transmitter unit are 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 transmitter unit.
Claims (1)
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 DE4031981A1 (en) | 1992-04-16 |
DE4031981C2 true DE4031981C2 (en) | 1996-03-07 |
Family
ID=6415916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4031981A Expired - Fee Related DE4031981C2 (en) | 1990-10-09 | 1990-10-09 | Measuring device for washing machines |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4031981C2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP3794174B1 (en) * | 2018-05-17 | 2024-02-07 | Arçelik Anonim Sirketi | A washer-dryer in which dryness of the laundry items is effectively detected |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2685359B1 (en) * | 1991-12-23 | 1995-10-20 | Sextant Avionique | SYSTEM FOR CONTROLLING THE STOPPAGE OF A DRYER. |
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 |
DE19712365C2 (en) * | 1997-03-25 | 2000-06-21 | Smartco Mes Und Regeltechnik G | Wood moisture detection device of a wood drying chamber |
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 GmbH, 98716 Geschwenda | Electronic clinical thermometer |
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 |
DE10163200A1 (en) * | 2001-12-21 | 2003-07-10 | Bsh Bosch Siemens Hausgeraete | Laundry treatment device |
DE10163760C5 (en) | 2001-12-28 | 2012-02-02 | Ebro Electronic Gmbh & Co. Kg | Apparatus and method for measuring the condition of oils and 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 |
US20070000068A1 (en) * | 2005-06-30 | 2007-01-04 | Gerard France Paul Amaat R | Fabric article treating device and system |
DE102006039434A1 (en) * | 2006-08-23 | 2008-05-29 | Meiko Maschinenbau Gmbh & Co. Kg | Method for evaluating and ensuring the thermal hygiene effect in a multi-tank dishwasher |
PL1895043T3 (en) * | 2006-09-04 | 2009-10-30 | Electrolux Home Products Corp Nv | Control device for a laundry washing and/or drying machine |
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 |
TR201712711A2 (en) * | 2017-08-25 | 2019-03-21 | Arcelik As | |
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 |
KR20210000449A (en) * | 2019-06-25 | 2021-01-05 | 삼성전자주식회사 | Wireless sensing device, dryer and method for controlling the same |
KR20220000580A (en) * | 2020-06-26 | 2022-01-04 | 삼성전자주식회사 | Sensing device for dryer |
EP4310236A1 (en) | 2022-07-20 | 2024-01-24 | BSH Hausgeräte GmbH | Measuring unit of household appliance |
Family Cites Families (16)
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US2820304A (en) * | 1954-12-17 | 1958-01-21 | Gen Electric | Clothes drying machines |
DE1102613B (en) * | 1959-10-06 | 1961-03-16 | Garrett Corp | Remote measuring device |
US3122426A (en) * | 1961-06-27 | 1964-02-25 | Gen Electric | Laundry dryer control mechanism |
US3222798A (en) * | 1962-11-26 | 1965-12-14 | Controls Co Of America | Dryer sensing device |
DE6604732U (en) * | 1968-08-23 | 1970-02-12 | Siemens Gmbh | WASHING MACHINE |
US4075632A (en) * | 1974-08-27 | 1978-02-21 | The United States Of America As Represented By The United States Department Of Energy | Interrogation, and detection system |
US4340796A (en) * | 1978-08-31 | 1982-07-20 | Sharp Kabushiki Kaisha | Wireless temperature-sensing system inclusive of thermally-responsive oscillator |
DE2841954A1 (en) * | 1978-09-27 | 1980-04-17 | Licentia Gmbh | HOUSEHOLD APPLIANCE, IN PARTICULAR DISHWASHER OR THE LIKE |
DE2852679A1 (en) * | 1978-12-06 | 1980-06-19 | Bosch Gmbh Robert | Temp. measuring device for electric motor or generator winding - uses thermistor to control modulation frequency of transmitted light beam |
DE2937656A1 (en) * | 1979-09-18 | 1981-04-02 | Neumünstersche Maschinen- und Apparatebau GmbH (Neumag), 2350 Neumünster | Temp. monitor for rotating spool for thread or web - uses modulated light beam transmitted between rotating and fixed elements |
DE3219558C2 (en) * | 1982-05-25 | 1986-10-23 | Norbert H.L. Dr.-Ing. 5173 Aldenhoven Koster | Device for determining the local temperature in living tissue |
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DE3575442D1 (en) * | 1985-06-25 | 1990-02-22 | Unilever Nv | INDUSTRIAL WASHING MACHINE WITH DEVICE FOR ADJUSTING THE CONCENTRATION PRODUCT. |
DE3538687A1 (en) * | 1985-10-31 | 1987-05-07 | Bosch Gmbh Robert | TEST SETUP |
DE3642459C3 (en) * | 1986-12-12 | 1997-06-05 | Aeg Hausgeraete Gmbh | Laundry drum for a household appliance for drying laundry |
DE3836099A1 (en) * | 1988-10-22 | 1990-05-10 | Asea Brown Boveri | Telemetering device (remote measuring device) for measuring and transmitting various data within a cooking pot (saucepan) |
-
1990
- 1990-10-09 DE DE4031981A patent/DE4031981C2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP3794174B1 (en) * | 2018-05-17 | 2024-02-07 | Arçelik Anonim Sirketi | A washer-dryer in which dryness of the laundry items is effectively detected |
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 |
Also Published As
Publication number | Publication date |
---|---|
DE4031981A1 (en) | 1992-04-16 |
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Legal Events
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, 7100 HEILBR |
|
8120 | Willingness to grant licences paragraph 23 | ||
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |