EP1108810A1 - Wäschebehandlungsmaschine - Google Patents
Wäschebehandlungsmaschine Download PDFInfo
- Publication number
- EP1108810A1 EP1108810A1 EP00124852A EP00124852A EP1108810A1 EP 1108810 A1 EP1108810 A1 EP 1108810A1 EP 00124852 A EP00124852 A EP 00124852A EP 00124852 A EP00124852 A EP 00124852A EP 1108810 A1 EP1108810 A1 EP 1108810A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- laundry
- treatment machine
- machine according
- laundry treatment
- transducer
- 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.)
- Ceased
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 238000005406 washing Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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
- D06F34/18—Condition of the laundry, e.g. nature or weight
-
- 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
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- 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
- D06F2103/26—Imbalance; Noise level
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
-
- 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
- D06F34/16—Imbalance
Definitions
- the invention relates to a laundry treatment machine with a laundry drum, which is rotatably mounted within a housing in a carrier, and with at least one electromechanical converter, the output signals of a control circuit are feedable and a measure of the weight of a placed in the laundry drum Represent laundry items.
- Such a laundry treatment machine is already known from DE 30 25 088 C2.
- this laundry treatment machine for example a washing machine, are electromechanical transducers on parts of the carrier, which under the influence of the Drum weight particularly exposed loads are provided.
- the Output signals generated by the transducers are a measure of the drum weight or for its change. In this way it is possible to change the one filled in Weight gain caused by laundry to be recorded and evaluated fully automatically.
- a weight gain can be recorded with a resolution of approx. 0.1 kg.
- a tub is provided as the carrier, which consists of metal in a known manner.
- On the back is means Screws and straps attached a star, in the bearing housing the pin one Laundry drum is mounted on two roller bearings.
- Exemplary embodiments shown in C2 are the electromechanical transducers either attached to the straps or spokes of the star.
- this object is achieved in the case of a laundry treatment machine at the beginning mentioned type solved in that the carrier is made of plastic and that Transducer is attached to a rear wall of the carrier.
- Carriers made of plastic are often used for laundry treatment machines today, for example as a tub for a washing machine.
- a carrier plastic is designed on its back wall in itself so that not an additional one Support star must be provided.
- the carrier has radial Reinforcing ribs on, in addition, can also be a bearing for the drive shaft a concentric reinforcement rings rotating in the tub of laundry be provided.
- the at least one electromechanical Transducer is attached to the back wall of the carrier itself.
- the rear wall has a first central part surrounding the shaft and a second, the first part surrounding the outer part, the parts under different Angles are inclined to the shaft, it is advantageous to the electrical To arrange transducers in the transition area between the two parts.
- the transducer is preferably there on a reinforcing rib attached where it crosses a reinforcement ring.
- electromechanical Transducers come with either strain gauges or piezoelectric pressure transducers for use.
- the stretching and compression in the area of the rear wall of the Carrier is a very immediate measurement of weight change when Filling or possible when taking out the laundry. This results in high accuracy when determining the change in weight.
- the invention also use to determine the balancing behavior of a laundry drum; as well the invention is applicable for monitoring the mechanical stability and the Vibration ratios of the carrier floor, d. H. of the base of the tub.
- a plurality of electrical Transducers used, preferably the converter, based on the storage the shaft, opposite points on the bottom wall of the beam are arranged, for example a first transducer below the bearing and a second Transducer above the bearing, so that the one transducer by filling the laundry caused compression of the back wall and the other the accompanying Elongation of the back wall registered, so that both measurements in the calculation of the laundry weight flow, which increases the accuracy of measurement considerably.
- It can multiple converters can also be used side by side and below one another. Suitable as a converter strain gauges and piezoelectric transducers.
- a washing machine has a housing 1 (Fig. 1) which u. a. a tub 2 encloses the one on resilient and possibly also damping supports 3 Floor 4 of the washing machine is supported.
- the tub 2 is above support plates 5 connected to the supports 3.
- the tub 2 is made of a plastic, such as polypropylene and has a rear wall 6, the stability of which is additionally provided by radial reinforcing ribs 7 and reinforcing rings 9 extending concentrically to a bearing sleeve 8 (FIG. 2) is.
- the bearing sleeve 8 receives a shaft journal 10, the roller bearings 11, 12 in the Bearing sleeve 8 is mounted.
- the shaft journal 10 carries a laundry drum 13, which is in the Inside the tub 2 rotates.
- the tub 2 thus forms the carrier of the Washing machine.
- the invention there is always at least one converter, ie either converter 17 or the converter 18 provided; in addition to the transducers 17, 18, however, on the Attach 6 additional transducers in addition so that their measurement signals are connected to each other can be compared and from a plurality of measurement signals in an evaluation circuit (not shown here) an average is formed. This enables the measurement accuracy increase.
- the difference signal which is in an evaluation circuit can be processed.
- the converters 17, 18 are connected to a Control circuit 21 connected, in which the measurement signals are evaluated.
- the control circuit 21 thus takes over the function of an evaluation circuit.
- Strain gauges or piezoelectric ones are suitable as electromechanical transducers 17, 18 Pressure transducer.
- the transducers are also located on the inside of the rear wall 6, i. H. on the side facing the laundry drum 13 can be arranged. It is the same possible, the converter in the area between the roller bearings 11, 12 and the bearing sleeve or to be arranged between the bearing sleeve 8 and the first region 15.
- the arrangement of the transducers 17, 18 shown in FIG. 2 has the advantage of being light Accessibility and easy interchangeability.
- the transducers 17, 18 are also advantageous in the area of the reinforcing rings 9 and additionally arranged on one of the reinforcing ribs 7.
- the carrier of the laundry drum 13 in a simple manner by means of electromechanical Determine transducers 17, 18, in particular the structure of the rear wall 6 with reinforcing rings 9 and reinforcing ribs 7 in the arrangement of Transducers 17, 18 are taken into account, at which compressive and tensile stresses occur more frequently.
- the control circuit 21 By evaluating the measurement signals in the control circuit 21, these are also available to the operator and / or customer service.
- the measured weight data can be displayed on the control panel by means of a display element, so that the operator knows the weight F w of the laundry item 14 in the laundry drum 13.
- the control circuit 21 therefore serves as a signal processing device.
- transducers 17, 18 can also be on a other side wall of the tub 2 may be attached.
- the control circuit 21 uses the measured values supplied by the converters 17, 18 both statically determines the weight of the laundry drum 13 and dynamically that Imbalance behavior of the laundry drum 13 and the tub 2 determined. Out These values are determined by the control circuit 21 when, for example, when one is reached maximum allowed unbalance, the spin speed of the laundry drum 13 is lowered must become.
- At least one further electromechanical transducer is provided which the Measures vibration conditions of the base of the tub. Due to saved Values for maximum permissible deflections of the base of the tub and / or one Side wall of the tub 2 is its mechanical stability from the control circuit 21 monitors. If a predetermined limit is exceeded, the breaks Control circuit 21 from the washing process or generates information for the operator or customer service.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
- Fig. 1
- eine Draufsicht auf die Rückwand des Laugenbehälters und
- Fig. 2
- einen Querschnitt durch einen Laugenbehälter und eine Wäschetrommel in einer Waschmaschine an einer Schnittlinie II -II.
Claims (12)
- Wäschebehandlungsmaschine mit einer Wäschetrommel (13), die innerhalb eines Gehäuses (1) in einem Träger (2) drehbar gelagert ist, und mit mindestens einem elektromechanischen Wandler (17, 18), dessen Ausgangssignale einer Steuerschaltung (21) zuführbar sind und ein Maß für das Gewicht eines in die Wäschetrommel (13) eingebrachten Wäschepostens (14) darstellen, dadurch gekennzeichnet, daß der Träger (2) aus Kunststoff besteht und daß der Wandler (17, 18) an einer Seitenwand des Trägers (2) angebracht ist.
- Wäschebehandlungsmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Seitenwand die Rückwand (6) des Trägers (2) ist.
- Wäschebehandlungsmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwei Wandler (17, 18) vorhanden sind, die oberhalb bzw. unterhalb eines in der Rückwand (6) gelagerten Wellenzapfens (10) angeordnet sind.
- Wäschebehandlungsmaschine nach Anspruch 3, dadurch gekennzeichnet, daß in der Steuereinrichtung (21) ein aus den von den Wandlern (17, 18) erzeugten Meßsignalen ermitteltes Differenzsignal auswertbar ist.
- Wäschebehandlungsmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Rückwand (6) radiale Verstärkungsrippen (7) aufweist und daß der Wandler (17, 18) auf einer der Verstärkungsrippen (7) angeordnet ist.
- Wäschebehandlungsmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Rückwand (6) konzentrische Verstärkungsringe (9) aufweist und daß der Wandler (17, 18) auf einem der Verstärkungsringe (9) angeordnet ist.
- Wäschebehandlungsmaschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Rückwand (6) einen ersten eine größere Wandungsdicke aufweisenden Bereich (15) hat, der eine den Wellenzapfen (10) aufnehmende Lagerhülse (8) konzentrisch umgibt, daß die Rückwand (6) einen zweiten Bereich (16) aufweist, der den ersten Bereich (15) umgibt und daß der Wandler (17, 18) im Übergangsbereich zwischen dem ersten (15) und dem zweiten Bereich (16) angeordnet ist.
- Wäschebehandlungsmaschine nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Wandler (17, 18) ein Dehnungsmeßstreifen oder ein piezoelektrischer Wandler ist.
- Wäschebehandlungsmaschine nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die von dem Wandler (17, 18) erzeugten Meßsignale als Gewicht des in der Wäschetrommel (13) eingebrachten Wäschepostens (14) anzeigbar sind.
- Wäschebehandlungsmaschine nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß sie eine Steuerschaltung (21) aufweist, in der das Gewicht des Wäschepostens (14) ermittelbar ist.
- Wäschebehandlungsmaschine nach Anspruch 10, dadurch gekennzeichnet, daß in der Steuerschaltung (21) aus während des Schleuderns von dem Wandler (17, 18) gemessenen Werten das Unwuchtverhalten der Wäschetrommel (13) ermittelbar ist.
- Wäschebehandlungsmaschine nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß aus den von dem Wandler (17, 18) und/oder von einem weiteren an dem Boden des Trägers (2) angeordneten Wandler während des Schleuderns gemessenen Werten in der Steuerschaltung (21) das Schwingungsverhalten des Trägers (2) ableitbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19960847A DE19960847A1 (de) | 1999-12-16 | 1999-12-16 | Wäschebehandlungsmaschine |
DE19960847 | 1999-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1108810A1 true EP1108810A1 (de) | 2001-06-20 |
Family
ID=7932989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00124852A Ceased EP1108810A1 (de) | 1999-12-16 | 2000-11-14 | Wäschebehandlungsmaschine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1108810A1 (de) |
DE (1) | DE19960847A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2189566A1 (de) * | 2007-05-17 | 2010-05-26 | Lg Electronics Inc. | Wäschebehandlungsmaschine |
EP1760186A3 (de) * | 2005-09-06 | 2011-07-06 | Herbert Kannegiesser GmbH | Verfahren und Vorrichtung zum Waschen und/oder Schleudern von Wäsche |
US8028548B2 (en) | 2007-05-17 | 2011-10-04 | Lg Electronics Inc. | Laundry machine with height increasing member and drainage filter servicing section |
US8191382B2 (en) | 2007-11-05 | 2012-06-05 | Lg Electronics Inc. | Refrigerator having a switching compartment and controlling method for the same |
DE102015104857A1 (de) | 2015-03-30 | 2016-10-06 | Miele & Cie. Kg | Waschmaschine oder Waschtrockner mit einem Laugenbehälter aus Kunststoff |
DE102018221057A1 (de) | 2018-12-05 | 2020-06-10 | BSH Hausgeräte GmbH | Wäschebehandlungsgerät und Verfahren zum Betreiben eines Wäschebehandlungsgeräts |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004043838B3 (de) * | 2004-09-08 | 2005-05-25 | Miele & Cie. Kg | Verfahren zum Betreiben einer Waschmaschine |
DE102010013386A1 (de) | 2010-03-30 | 2011-10-06 | Emz-Hanauer Gmbh & Co. Kgaa | Vorrichtung zum Erfassen der Relativposition eines lageveränderlichen Bauteils relativ zu einem Referenzbauteil eines Wäschebehandlungsgeräts sowie entsprechendes Wäschebehandlungsgerät |
DE102010062913A1 (de) | 2010-12-13 | 2012-06-14 | BSH Bosch und Siemens Hausgeräte GmbH | Hausgerät zur Pflege von Wäschestücken mit einem Laugenbehälter, welcher bewegungsfest mit dem Gehäuse des Hausgeräts verbunden ist |
DE102015204331B4 (de) * | 2015-03-11 | 2019-06-19 | BSH Hausgeräte GmbH | Haushaltsgerät zur Pflege von Wäschestücken mit einer Messvorrichtung an einer Dichtungsmanschette |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3025088A1 (de) * | 1980-07-02 | 1982-01-21 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Waeschebehandlungsmaschine |
EP0294014A1 (de) * | 1987-03-18 | 1988-12-07 | Creda Limited | Waschmaschine mit Gewichtsmessvorrichtungen und Unwuchtmessvorrichtungen |
EP0962576A1 (de) * | 1998-06-05 | 1999-12-08 | Ciapem | Waschmaschine mit einer Vorrichtung zum Ermitteln der Wäscheart |
DE29820605U1 (de) * | 1998-11-18 | 2000-03-23 | Aeg Hausgeraete Gmbh | Waschmaschine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2157326A (en) * | 1984-04-13 | 1985-10-23 | Philips Electronic Associated | Wash tub |
-
1999
- 1999-12-16 DE DE19960847A patent/DE19960847A1/de not_active Ceased
-
2000
- 2000-11-14 EP EP00124852A patent/EP1108810A1/de not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3025088A1 (de) * | 1980-07-02 | 1982-01-21 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Waeschebehandlungsmaschine |
EP0294014A1 (de) * | 1987-03-18 | 1988-12-07 | Creda Limited | Waschmaschine mit Gewichtsmessvorrichtungen und Unwuchtmessvorrichtungen |
EP0962576A1 (de) * | 1998-06-05 | 1999-12-08 | Ciapem | Waschmaschine mit einer Vorrichtung zum Ermitteln der Wäscheart |
DE29820605U1 (de) * | 1998-11-18 | 2000-03-23 | Aeg Hausgeraete Gmbh | Waschmaschine |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1760186A3 (de) * | 2005-09-06 | 2011-07-06 | Herbert Kannegiesser GmbH | Verfahren und Vorrichtung zum Waschen und/oder Schleudern von Wäsche |
EP2189566A1 (de) * | 2007-05-17 | 2010-05-26 | Lg Electronics Inc. | Wäschebehandlungsmaschine |
US8028548B2 (en) | 2007-05-17 | 2011-10-04 | Lg Electronics Inc. | Laundry machine with height increasing member and drainage filter servicing section |
US8136896B2 (en) | 2007-05-17 | 2012-03-20 | Lg Electronics Inc. | Laundry treating machine |
US8191382B2 (en) | 2007-11-05 | 2012-06-05 | Lg Electronics Inc. | Refrigerator having a switching compartment and controlling method for the same |
DE102015104857A1 (de) | 2015-03-30 | 2016-10-06 | Miele & Cie. Kg | Waschmaschine oder Waschtrockner mit einem Laugenbehälter aus Kunststoff |
DE102018221057A1 (de) | 2018-12-05 | 2020-06-10 | BSH Hausgeräte GmbH | Wäschebehandlungsgerät und Verfahren zum Betreiben eines Wäschebehandlungsgeräts |
Also Published As
Publication number | Publication date |
---|---|
DE19960847A1 (de) | 2001-06-28 |
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