EP1099790A2 - Steuereinrichtung einer Waschmaschine oder eines Wäschetrockners - Google Patents
Steuereinrichtung einer Waschmaschine oder eines Wäschetrockners Download PDFInfo
- Publication number
- EP1099790A2 EP1099790A2 EP00124019A EP00124019A EP1099790A2 EP 1099790 A2 EP1099790 A2 EP 1099790A2 EP 00124019 A EP00124019 A EP 00124019A EP 00124019 A EP00124019 A EP 00124019A EP 1099790 A2 EP1099790 A2 EP 1099790A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- control
- door
- reversing
- program
- 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
Links
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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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
-
- 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
- D06F34/08—Control circuits or arrangements thereof
Definitions
- the invention relates to a control device Washer or dryer, the Control device a control electronics and a electromechanical program switch with one Program drum and a reversing drum and with a Has drive unit, and the reversing drum Reversing contacts for clockwise rotation, standstill, counterclockwise rotation Drum motor controls.
- Such a hybrid control device is in the EP 0 695 982 A1 for washing machines or tumble dryers described. It has control electronics and electromechanical program switch with Program drum, reversing drum and with one Drive unit on. To expand the The reversing drum switches program options Reversing contacts of the washing machine motor Cycle functions: clockwise rotation, standstill, counterclockwise rotation, Standstill.
- the control electronics receives from the Program drum program control commands and stops the Reversing drum for the desired duration of the Cycle functions by changing the drive unit that the Program drum and drives the reversing drum, stops.
- the program drum switches one at a time Program step further if the cycle functions have gone through several times.
- the control of a Door locking device is in EP 0 695 982 A1 not described.
- the door locking device is closed a contact of the program drum activated. If the Program drum into the OFF position comes, i.e. all units of the washing machine are switched off by opening a Control contact deactivates the door lock and after The door can then be opened after a holding time.
- a control circuit does not exist Possibility to open the door after starting the program to open again. This is often for the user impractical, for example if it is after the Start or remove a piece of laundry from the program start want.
- the door locking device controlled by a triac or relay. It is it possible to lock the door in Activate depending on the respective machine status or inactivate. For example, the door on Program end remain locked if in the event of an error the water is not pumped out, or the laundry drum still spins. There is also the option of Deactivate door lock if appropriate Operating state exists, for example Have items loaded afterwards. Such Control circuit is complex and therefore expensive.
- the object of the invention is to provide a control device for the to propose the type mentioned at the beginning with which one Door locking device in an economical way is so controllable that the door even during The program sequence can be opened in suitable cases.
- the above object is characterized by the features of characterizing part of claim 1 solved.
- This device is according to a control device of EP 0 695 982 A1 to implement inexpensively because only one controlled by the reversing drum Control contact is necessary. Through this facility is on the one hand ensures that the Door locking device is always active when the Laundry drum motor is running. On the other hand, the Deactivate the door lock while the program is running, if the door can be opened in one program step should be released.
- a control device of a washing machine has electromechanical program switching mechanism 1 and one Control electronics 2 on.
- the program switching mechanism 1 comprises a program drum 3 and a reversing drum 4, the from a common drive unit 5 gradually are drivable.
- the drive unit 5 includes one Stepper drive, for example ratchet drive, and a timer motor driving this.
- Drive unit 5 is operated by an electronic switch 6 of the control electronics 2 step in and switched off.
- the program drum 3 is 7 via coding contacts control commands for each program drum the control electronics 2.
- a laundry drum motor 8 is 9.10 in via reversing contacts Clockwise rotation, standstill and counterclockwise rotation controllable.
- the Reversing contacts 9,10 are from the reversing drum 4, specifically one or two appropriately designed Cam discs of the reversing drum 4, controlled.
- about an electronic switch 11 of the control electronics 2 is the laundry drum motor 8 to the network LN in the way switchable that it different depending on the program step Speeds assumes. Acts to control the speed Speed sensor 12 on the control electronics 2. Also a another sensor 13, the water level in the Laundry drum detected, acts on the control electronics 2.
- the driven by the laundry drum motor 8, not closer illustrated laundry drum is a door of the Washer or dryer in the usual way assigned, loading through the door and the laundry drum is unloadable.
- the door works with a commercially available Door locking device 16 together.
- Switch S2 is in series with the network LN and the laundry drum motor 8 and the others Aggregates of the washing machine. As long as the door is open is not a unit of the washing machine (also the Do not switch on the laundry drum motor 8). The door can only be opened when switch S2 is open.
- the door locking device 16 contains a for example thermal, delay element 17, the formed by a bimetal or a PTC resistor can be.
- the delay element 17 determines one Hold time for holding switch S2 in its Closed position. Switch S2 only opens when it expires the hold time.
- Control contact S1 provided, in series on the LN network to the delay element 17.
- the control contact S1 is from another cam disk of the reversing drum 4 controlled. If the control contact S1 is closed, then the delay element 17 has current flowing through it, so that the door locking device 16 is active, that is Switch S2 is kept in the closed state and thus the Door cannot be opened.
- the control contact S1 is from the reversing drum 4 closed when the reversing contacts 9.10 on clockwise rotation or counterclockwise rotation of the laundry drum motor 8 are switched. In this case, the door cannot be opened.
- the door locking device 16 is active.
- FIG. 2a shows a functional example in which the control contact S1 is closed by the reversing drum 4 from the time t0 to the time t1.
- the switch S2 is kept closed, so that the door locking device 16 is active (cf. FIG. 2c) and the door cannot be opened.
- the control contact S1 is opened by the cam disk of the reversing drum 4 assigned to it.
- the time period between t0 and t1 can be determined in that the drive unit 5 stops the reversing drum 4 during this time period.
- the switch S2 (see FIG. 2b) remains closed, so that the door cannot be opened during this holding time t H. Only when the holding time t H has elapsed at time t2 is the switch S2 opened, ie the door locking device 16 becomes inactive and the door can be opened.
- the control contact S1 is assigned by the The cam disk of the reversing drum 4 is opened when the Reversing contacts 9.10 to a standstill of the laundry drum motor 8 are switched.
- FIG. 3a a functional example is shown, in which the control contact S1, controlled by the reversing drum 4 closed at time t0, opened at time t1, closed at time t2, opened at time t3, closed at time t4, opened at time t5 and at Time t6 is closed. Since the time periods t1 to t2 and t3 to t4 and t5 to t6 are shorter than the holding time t H, it follows that the switch S2 (see FIG. 3b) remains closed, that is to say the door cannot be opened because the opening times of the Control contact S1 are shorter than the delay time determined by the delay element 17.
- Figure 4a is a partial settlement of that Cam discs of the reversing drum 4 shown, the Switches or reversing contacts 9, 10 in cycle function Z in Right-hand rotation stop-left rotation standstill of the Drum motor 8 controls how this in the EP 0 695 982 A1.
- Figure 4a are for example between two program step advance positions F five cycle functions Z intended.
- the switching states of the cycle functions assigned times are indicated by one of the Control electronics 2 controlled stopping of the Drive unit 5 set.
- the reversing drum 4 passes through a program step advance position F and triggers a step on Program drum 3 by one program step. Both on Beginning and end of the five cycle functions there is one program step advance position each F.
- FIG. 4b shows a partial development of the cam disk of the reversing drum 4 that controls the control contact S1.
- the control contact S1 is always closed, ie the door locking device 16 is activated when the laundry drum motor 8 is switched to clockwise and counterclockwise rotation.
- the control contact S1 is open, so that it does not activate the door locking device 16 (door opening step).
- a single such door opening step TO is provided in FIG.
- control unit 2 stops the drive unit 5 for a stop duration that is longer than the - thermal - holding time t H of the door locking device 16 This stop duration then unlocks the door locking device, switch S2 opens and the door is thus released for opening.
- this standstill position is passed over by the control electronics 2 not applying a stop signal to the drive unit 5 which is longer than the holding time t H.
- the control contact S1 is briefly opened, whereby the activation of the door locking device 16 is briefly interrupted.
- the duration of this interruption is significantly shorter than the duration of the - thermal - holding time t H of the door locking device 16. This ensures that the door locking remains activated.
- the program switch runs 1 in an OFF step in which all units of the Washing machine are switched off.
- this OFF step the door lock must be released so that the Laundry can be unloaded. So it has to be Reversing drum moved into a door opening position be in the unlocking of the door lock is possible. During this trip it must be ensured that - even in the event of an error - none the program drum is switched on independently.
- the drive unit 5 is like this designed that in these OFF program steps then continue to independently rotate the program drum is not possible if a on the reversing drum Program advance position F is overrun.
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)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims (7)
- Steuereinrichtung einer Waschmaschine oder eines Wäschetrockners, wobei die Steuereinrichtung eine Steuerelektronik und ein elektromechanisches Programmschaltwerk mit einer Programmtrommel und mit einer Reversiertrommel und mit einem Antriebsaggregat aufweist, und die Reversiertrommel Wendekontakte für Rechtslauf, Stillstand und Linkslauf eines Wäschetrommelmotors steuert,
dadurch gekennzeichnet,
dass der Reversiertrommel(4) ein Ansteuerkontakt(S1) für eine Türverriegelungseinrichtung(16) zugeordnet ist, mit dem die Türverriegelungseinrichtung(16) aktiv oder inaktiv schaltbar ist, und dass der Ansteuerkontakt(Sl) von der Reversiertrommel(4) geschlossen und damit die Türverriegelungseinrichtung(16) aktivierbar ist, wenn die Wendekontakte(9,10) auf Rechtslauf oder Linkslauf geschaltet sind und dass der Ansteuerkontakt(S1) von der Reversiertrommel(4) geöffnet ist, wenn die Wendekontakte (9,10) auf Stillstand geschaltet sind. - Steuereinrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass die Reversiertrommel(4) eine Nockenscheibe zur Steuerung des Ansteuerkontakts(S1) aufweist. - Steuereinrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Türverriegelungseinrichtung(16) ein Verzögerungselement(17) aufweist, das eine Haltezeit(tH) definiert. - Steuereinrichtung nach Anspruch 2 oder 3,
dadurch gekennzeichnet,
dass an der der Steuerung des Ansteuerkontakts(S1) dienenden Nockenscheibe innerhalb eines Programmschritts, bei dem in Zyklusfunktionen mehrmals Rechtslauf-Stillstand-Linkslauf-Stillstand angesteuert werden, wenigstens bei einem Stillstandsschritt ein Türöffnungsschritt(TO) vorgesehen ist. - Steuereinrichtung nach Anspruch 3 und 4,
dadurch gekennzeichnet,
dass durch Anhalten des Antriebsaggregats(5) im Türöffnungsschritt(TO) für eine Dauer, die länger als die Haltezeit(tH) ist, die Türverriegelungseinrichtung (16) inaktiviert wird. - Steuereinrichtung nach den Ansprüchen 3, 4, 5,
dadurch gekennzeichnet,
dass, wenn die Türverriegelungseinrichtung(16) aktiv bleiben soll, der Türöffnungsschritt(TO) dadurch überfahren wird, dass das Antriebsaggregat(5) nicht für eine Dauer gestoppt wird, die länger als die Haltezeit (tH) ist. - Steuereinrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass das Antriebsaggregat(5) so ausgelegt ist, dass in einem AUS-Schritt des Programmschaltwerks(1), in dem die Reversiertrommel(4) den Ansteuerkontakt(S1) öffnet, ein selbständiges Weiterdrehen der Programmtrommel(3) vermieden ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19953633A DE19953633A1 (de) | 1999-11-09 | 1999-11-09 | Steuereinrichtung einer Waschmaschine oder eines Wäschetrockners |
| DE19953633 | 1999-11-09 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1099790A2 true EP1099790A2 (de) | 2001-05-16 |
| EP1099790A3 EP1099790A3 (de) | 2002-08-21 |
| EP1099790B1 EP1099790B1 (de) | 2004-05-19 |
Family
ID=7928258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00124019A Expired - Lifetime EP1099790B1 (de) | 1999-11-09 | 2000-11-04 | Steuereinrichtung einer Waschmaschine oder eines Wäschetrockners |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1099790B1 (de) |
| AT (1) | ATE267285T1 (de) |
| DE (2) | DE19953633A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100088917A1 (en) * | 2008-10-10 | 2010-04-15 | Samsung Lectronics Co., Ltd. | Clothes dryer and door thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005049892B3 (de) * | 2005-10-17 | 2007-05-03 | Diehl Ako Stiftung & Co. Kg | Schaltung zur Ansteuerung eines Geräts zur Wäschebehandlung |
| DE602008006516D1 (de) * | 2008-02-18 | 2011-06-09 | Electrolux Home Prod Corp | Türverschlussvorrichtung mit Wärmeschutz und Wärmeschutzverfahren für eine Türverschlussvorrichtung in einer Haushaltsvorrichtung |
| DE102008044378A1 (de) * | 2008-12-05 | 2010-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit automatischer Abschaltung |
| ITRN20100071A1 (it) * | 2010-11-11 | 2012-05-12 | Indesit Co Spa | Elettrodomestico per l'esecuzione di un trattamento su prodotti. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2048314B (en) * | 1979-05-14 | 1983-05-18 | Ti Domestic Appliances Ltd | Electrical machines |
| DE3709660C2 (de) * | 1987-03-24 | 1994-11-24 | Ymos Ag Ind Produkte | Verschluß für ein Haushaltsgerät |
| DE4425757A1 (de) * | 1994-07-21 | 1996-01-25 | Ako Werke Gmbh & Co | Hybrid-Steuereinrichtung, insbesondere für Waschmaschinen |
| IT1267583B1 (it) * | 1994-09-13 | 1997-02-07 | Zanussi Elettrodomestici | Macchina lavabiancheria con dispositivi perfezionati di comando e controllo |
-
1999
- 1999-11-09 DE DE19953633A patent/DE19953633A1/de not_active Withdrawn
-
2000
- 2000-11-04 DE DE50006472T patent/DE50006472D1/de not_active Expired - Fee Related
- 2000-11-04 AT AT00124019T patent/ATE267285T1/de not_active IP Right Cessation
- 2000-11-04 EP EP00124019A patent/EP1099790B1/de not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100088917A1 (en) * | 2008-10-10 | 2010-04-15 | Samsung Lectronics Co., Ltd. | Clothes dryer and door thereof |
| US8266816B2 (en) * | 2008-10-10 | 2012-09-18 | Samsung Electronics Co., Ltd. | Clothes dryer and door thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1099790A3 (de) | 2002-08-21 |
| DE19953633A1 (de) | 2001-05-10 |
| EP1099790B1 (de) | 2004-05-19 |
| DE50006472D1 (de) | 2004-06-24 |
| ATE267285T1 (de) | 2004-06-15 |
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