EP2692936A1 - Verfahren zur Steuerung der Geschwindigkeit einer Drehtrommel einer Waschmaschine mit horizontaler Achse und Waschmaschine mit diesem Verfahren - Google Patents
Verfahren zur Steuerung der Geschwindigkeit einer Drehtrommel einer Waschmaschine mit horizontaler Achse und Waschmaschine mit diesem Verfahren Download PDFInfo
- Publication number
- EP2692936A1 EP2692936A1 EP12178421.9A EP12178421A EP2692936A1 EP 2692936 A1 EP2692936 A1 EP 2692936A1 EP 12178421 A EP12178421 A EP 12178421A EP 2692936 A1 EP2692936 A1 EP 2692936A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- speed
- drum
- performance index
- washing machine
- motor
- 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
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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
-
- 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
- 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
Definitions
- the present invention relates to a method for controlling the speed of a rotating drum of a horizontal axis washing machine comprising a step in which the load of the laundry is estimated or measured.
- the present invention relates to a horizontal washing machine adapted to carry out such method as well.
- horizontal axis washing machine we mean every appliance in which the rotating drum is mounted with a substantially horizontal axis; therefore washing machines with a slanted axis of rotation are comprised in the above definition.
- JP 2004236704 discloses a washing machine in which the drum is rotated slowly for performing soaking when wash eater is present in the drum, and at high speed for performing tumbling when wash water is drained from the drum.
- One of the most relevant features of the method according to the invention is to increase the efficiency during the tumbling phase of the washing process in a horizontal axis washing machine by changing dynamically the reference speed of the drum.
- the main benefits of the invention are a higher mechanical action and so reduced time for washing (and energy) and maximization of the motor efficiency having an equal mechanical action and time but saving energy.
- the adaptive speed control has the target to consider two main metrics, i.e. the mechanical action exerted upon the load and the motor efficiency.
- the output of the control logic is the magnitude A of the reference speed signal of a single base tumbling cycle, where in a first part of the cycle the drum speed A is clockwise and in a second part of such cycle the speed A is counterclockwise (or vice versa).
- the mechanical power can be estimated or measured from motor in different ways.
- the fire angle or the motor current can be converted to torque and then to mechanical power by using a look-up table or observer.
- the mechanical action trend has different shape. For example, for a full load (8 kg), the amount of mechanical action that can be generated is quite small, whatever speed you set. Otherwise, for a small load the variation of mechanical action can be very important against a little change of the rotation speed.
- Figure 3 shows a similar analysis done for electrical motor power required against speed and load size. Typically the higher is the speed the higher is the efficiency of the motor.
- the graphs of figure 3 show curves for universal motor used in an 8 kg machine with different loads.
- the algorithm according to the invention starts selecting an initial tumbling speed by using a predicted or calculated dry load mass and a look-up table.
- the benefits due to the speed variation are shown in Error! Reference source not found.. More in details, the energy consumption of two different tests with the same configuration for all the parameters are illustrated. The first one refers to standard control logic, i.e. with a fixed tumbling speed, while the second one refers to the adaptive logic according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES12178421.9T ES2587267T3 (es) | 2012-07-30 | 2012-07-30 | Método para controlar la velocidad de un tambor giratorio de una máquina de lavar ropa de eje horizontal y máquina de lavar que usa tal método |
EP12178421.9A EP2692936B1 (de) | 2012-07-30 | 2012-07-30 | Verfahren zur Steuerung der Geschwindigkeit einer Drehtrommel einer Waschmaschine mit horizontaler Achse und Waschmaschine mit diesem Verfahren |
PL12178421T PL2692936T3 (pl) | 2012-07-30 | 2012-07-30 | Sposób sterowania prędkością bębna obrotowego maszyny piorącej o osi poziomej oraz maszyna piorąca wykorzystująca ten sposób |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12178421.9A EP2692936B1 (de) | 2012-07-30 | 2012-07-30 | Verfahren zur Steuerung der Geschwindigkeit einer Drehtrommel einer Waschmaschine mit horizontaler Achse und Waschmaschine mit diesem Verfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2692936A1 true EP2692936A1 (de) | 2014-02-05 |
EP2692936B1 EP2692936B1 (de) | 2016-07-20 |
Family
ID=46750177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12178421.9A Not-in-force EP2692936B1 (de) | 2012-07-30 | 2012-07-30 | Verfahren zur Steuerung der Geschwindigkeit einer Drehtrommel einer Waschmaschine mit horizontaler Achse und Waschmaschine mit diesem Verfahren |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2692936B1 (de) |
ES (1) | ES2587267T3 (de) |
PL (1) | PL2692936T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017020772A1 (zh) * | 2015-07-31 | 2017-02-09 | 广东威灵电机制造有限公司 | 滚筒洗衣机及其控制方法和装置 |
US10422068B2 (en) | 2016-02-12 | 2019-09-24 | Whirlpool Corporation | Laundry treating appliance and methods of operation |
EP3546633A4 (de) * | 2016-12-23 | 2019-10-09 | Samsung Electronics Co., Ltd. | Waschmaschine und verfahren zur steuerung der waschmaschine |
DE102019216697A1 (de) * | 2019-10-30 | 2021-05-06 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einer Steuerung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004236704A (ja) | 2003-02-03 | 2004-08-26 | Sanyo Electric Co Ltd | ドラム式洗濯機 |
US20080115295A1 (en) * | 2006-11-17 | 2008-05-22 | Kalyanakrishnan Vadakkeveedu | Mechanical action estimation for washing machines |
EP1441055B1 (de) * | 2003-01-15 | 2009-03-25 | Lg Electronics Inc. | Verfahren zu Kontrolle der Schleudergeschwindigkeit einer Waschmaschine |
EP2080832A1 (de) * | 2008-01-16 | 2009-07-22 | Electrolux Home Products Corporation N.V. | Textilbehandlungsvorrichtung mit drehbarer Trommel |
US20110016738A1 (en) * | 2009-07-22 | 2011-01-27 | Whirlpool Corporation | Laundry treating appliance with controlled mechanical energy |
EP2471993A1 (de) * | 2009-08-24 | 2012-07-04 | Kabushiki Kaisha Toshiba | Trommelwaschmaschine |
-
2012
- 2012-07-30 PL PL12178421T patent/PL2692936T3/pl unknown
- 2012-07-30 ES ES12178421.9T patent/ES2587267T3/es active Active
- 2012-07-30 EP EP12178421.9A patent/EP2692936B1/de not_active Not-in-force
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1441055B1 (de) * | 2003-01-15 | 2009-03-25 | Lg Electronics Inc. | Verfahren zu Kontrolle der Schleudergeschwindigkeit einer Waschmaschine |
JP2004236704A (ja) | 2003-02-03 | 2004-08-26 | Sanyo Electric Co Ltd | ドラム式洗濯機 |
US20080115295A1 (en) * | 2006-11-17 | 2008-05-22 | Kalyanakrishnan Vadakkeveedu | Mechanical action estimation for washing machines |
EP2080832A1 (de) * | 2008-01-16 | 2009-07-22 | Electrolux Home Products Corporation N.V. | Textilbehandlungsvorrichtung mit drehbarer Trommel |
US20110016738A1 (en) * | 2009-07-22 | 2011-01-27 | Whirlpool Corporation | Laundry treating appliance with controlled mechanical energy |
EP2471993A1 (de) * | 2009-08-24 | 2012-07-04 | Kabushiki Kaisha Toshiba | Trommelwaschmaschine |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017020772A1 (zh) * | 2015-07-31 | 2017-02-09 | 广东威灵电机制造有限公司 | 滚筒洗衣机及其控制方法和装置 |
US10422068B2 (en) | 2016-02-12 | 2019-09-24 | Whirlpool Corporation | Laundry treating appliance and methods of operation |
EP3546633A4 (de) * | 2016-12-23 | 2019-10-09 | Samsung Electronics Co., Ltd. | Waschmaschine und verfahren zur steuerung der waschmaschine |
US11180883B2 (en) | 2016-12-23 | 2021-11-23 | Samsung Electronics Co., Ltd. | Washing machine and method for controlling washing machine |
DE102019216697A1 (de) * | 2019-10-30 | 2021-05-06 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einer Steuerung |
Also Published As
Publication number | Publication date |
---|---|
PL2692936T3 (pl) | 2017-08-31 |
EP2692936B1 (de) | 2016-07-20 |
ES2587267T3 (es) | 2016-10-21 |
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