EP2260138A1 - Wäschetrockner - Google Patents
WäschetrocknerInfo
- Publication number
- EP2260138A1 EP2260138A1 EP09729448A EP09729448A EP2260138A1 EP 2260138 A1 EP2260138 A1 EP 2260138A1 EP 09729448 A EP09729448 A EP 09729448A EP 09729448 A EP09729448 A EP 09729448A EP 2260138 A1 EP2260138 A1 EP 2260138A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drying drum
- electric motor
- process air
- detected
- drive 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
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
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers
-
- 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
-
- 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
- D06F2103/24—Spin speed; Drum movements
-
- 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
- D06F2103/44—Current or voltage
- D06F2103/46—Current or voltage of the motor driving the drum
-
- 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
- D06F2105/28—Electric heating
-
- 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
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
- D06F58/08—Driving arrangements
Definitions
- the present invention relates to a tumble dryer according to the preamble of claim 1.
- the rotary drive of the drying drum is usually carried out by a single-phase operable asynchronous motor with auxiliary winding, wherein the necessary for generating the rotating field phase shift of the current in the auxiliary winding in a known manner by series connection of a capacitor or caused by different resistance ratios of the main and auxiliary winding.
- This drive motor for the drying drum usually runs at a fixed, load-dependent speed and simultaneously serves to drive a process air blower and a cooling air blower, as described for example in DE 199 04 993 C2 or DE 10 2004 055 927 A1.
- this drive motor is equipped with a temperature protection switch to prevent its overheating when the drive is blocked or overloaded.
- the temperature of the process air through the drying drum or the electrical resistance of the laundry in the drying drum to determine the degree of drying of the laundry can be detected (DE 199 04 993 C2). Furthermore, from the behavior of a speed of the drive motor during deceleration and
- the invention has for its object to provide a clothes dryer with a rotatably mounted drying drum, which allows improved operation over known clothes dryers. Another object of the invention is to provide an improved method of operating a tumble dryer with a rotatably mounted drying drum.
- the tumble dryer has a rotatably mounted drying drum for receiving laundry to be dried (load) and a drive motor for rotary drive of this drying drum.
- the drive motor is a single-phase or multi-phase electric motor, which is controlled by a frequency converter.
- the rotary drive of the drying drum can be used in each case with the current operating mode (drying program,
- the frequency converter includes a
- a rotational speed measuring device for detecting the rotational speed and / or a position measuring device for detecting the rotational angle of the electric motor is also provided.
- an increased mechanical load of the electric motor can be determined, so that the electric motor can optionally be switched off before the motor winding reaches inadmissibly high temperatures.
- a loading amount and / or type of the drying drum can be determined.
- a degree of drying of the laundry in the drying drum can be determined. The drying process of the tumble dryer can then be optimized to the parameters thus determined.
- a heater for heating a process air by the drying drum is further provided and this heating is associated with a switching means for switching on and off of the heater.
- This switching means is optionally integrated in the frequency converter or in a main control of the tumble dryer.
- a blocking of the electric motor for the drying drum can be determined, for example, so that the heater can optionally be switched off for safety reasons.
- Angle of rotation of the electric motor a faulty rotary drive of the drying drum by the electric motor (eg cracked or cracked belt) be determined so that the heater can be switched off for safety reasons, if necessary.
- a process air blower for blowing a process air through the drying drum is further provided.
- the drive motor of the drying drum can then also be designed to drive this process air blower in order to achieve a compact construction of the entire drive of the tumble dryer.
- Drive motor can be provided for the drying drum separate drive motor.
- This variant has the advantage that the rotational speeds for driving the drying drum and the drive of the process air blower can be controlled independently of each other and thus each optimized.
- FIGURE 1 shows a greatly simplified illustration of the structure of a tumble dryer according to the present invention.
- the drying drum 1 shows a drying drum 1 of a tumble dryer, which can be loaded in a known manner with laundry 3 to be dried.
- the drying drum 1 is rotatably mounted in the housing of the clothes dryer and is driven in rotation by a drive motor 4 via a belt 2.
- the drive motor 4 for the drying drum 1 is generally a single- or multi-phase electric motor.
- three-phase electric motors such as three-phase asynchronous motors, BLDC motors (brushless DC motors), PMAC-
- the drive motor 4 for the drying drum 1 is driven by a frequency converter 14.
- the frequency converter 14 has a for this purpose
- Mains terminal 13 a mains rectifier 11 connected thereto, a three-phase power drive 8 connected downstream of the mains rectifier 11, and a DC link capacitor 10 connected between the mains rectifier 11 and the power control 8. Since the construction and operation of such a frequency converter 14 are well known to those skilled in the art, a more detailed description can be dispensed with. In addition, the skilled person will be able to easily adapt the frequency converter 14 to the respective electric motor 4 for driving the drying drum 1.
- the frequency converter 14 is preferably provided with a main controller 15 of the
- This main controller 15 usually includes a microcontroller and in turn is connected to an input device via which a user can select, for example, a drying program.
- the tumble dryer further comprises a process air blower (not shown) for
- the heater 6 also connected to the mains connection 13 of the tumble dryer, wherein in the supply lines, a switching means 12 is provided for switching on and off of the heater 6.
- This switching means 12 is used in particular for the safety shutdown of the heater 6, wherein different operating states of the tumble dryer or its components may require or make desirable a heater shutdown.
- the switching means 12 associated with the heater 6 of the process air 7 may for example be integrated in the frequency converter 14, as in the embodiment shown, or may also be arranged in the main controller 15.
- the drive motor 4 can be used for the drying drum 1 or a separate drive motor (not shown) can be used.
- a common drive motor 4 results in a compact design, as is known for example from the above-mentioned publications DE 199 04 993 C2 and DE 10 2004 055 927 A1.
- the drive motor 4 is then used in a condensation clothes dryer usually also for driving a cooling air blower (not shown) for a heat exchanger of a condensing device.
- a drive motor 4 separate from the drive motor 4 for the drying drum 1 drive motor is used for the process air blower (and the cooling air blower).
- this drive motor is advantageously also a single- or multi-phase electric motor used, so that the fan can be operated at variable speed.
- the process air stream 7 can be adapted to the aerodynamic resistance of the exhaust air duct or the air flow profile can be optimized in the further program sequence.
- the use of e.g. a single-phase on the grid operable asynchronous motor with auxiliary winding for driving the process air blower possible.
- this drive motor is advantageously also for a
- Cooling air blower of a condensation tumble dryer used. in principle but is also the use of a total of three separate drive motors for these components conceivable.
- a speed measuring device 5 for detecting the rotational speed of the drive motor 4 and a built in the frequency converter 14 phase current measuring device 9 for detecting the power of the drive 8 of the frequency converter 14 to the three phases of
- the clothes dryer may additionally be provided with other sensor arrangements known from conventional clothes dryers (e.g., sensors for measuring voltage, current, power, torque, temperature, weight, etc.).
- the two mentioned measuring devices 5 and 9 are in a multi-phase electric motor 4, which is driven by a frequency converter 14, usually present anyway, so that for the drive motor 4 of the tumble dryer, a standard motor without the need for modifications can be used (sensorless variant).
- Frequency inverter 14 a rotating field is specified, the heater 6 is switched off by means of the switching means 12. This ensures that at standstill of the drying drum 1 no overheating or even ignition located near the air inlet laundry items 3 by the heater 6, which is usually operated at high power takes place.
- Measuring device 5 and / or the phase current measuring device 9 determines characteristics of the drive motor 4, which indicate a significantly low mechanical load or a significantly low fluctuation of the actual speed of the drive motor 4, the heater 6 is switched off by means of the switching means 12. This is necessary because in such a case the
- Drying drum 1 obviously no longer rotates, which may be caused by a broken or cracked belt 2. In this case as well, overheating or even ignition of laundry items 3 in the vicinity of the air inlet of the drying drum 1 can thus be reliably avoided.
- Characteristics of the drive motor 4 are determined during operation of the clothes dryer by means of the speed measuring device 5 and / or the phase current measuring device 9, which on an excessive mechanical
- the drive motor 4 is turned off via the power drive 8 of the frequency converter 14 before the Motor winding reaches impermissibly high temperatures (thermal motor protection).
- More complex speed profiles for determining the load on the determination of the moment of inertia of the drying drum are, for example, from the above-mentioned publications DE 199 28 657 A1 and DE 103 05
- the degree of drying or dewatering of the laundry 3 in the drying drum 1 can be determined by the decreasing loading / mass inertia in the course of the drying process. This information can be used advantageously to terminate the drying process upon reaching a predetermined degree of drying or dewatering. Diehl AKO Foundation & Co. KG. Pfannerstr. 75. 88239 cheeks
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09729448T PL2260138T3 (pl) | 2008-04-11 | 2009-04-08 | Suszarka do ubrań |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008018356A DE102008018356A1 (de) | 2008-04-11 | 2008-04-11 | Wäschetrockner |
PCT/EP2009/002583 WO2009124736A1 (de) | 2008-04-11 | 2009-04-08 | Wäschetrockner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2260138A1 true EP2260138A1 (de) | 2010-12-15 |
EP2260138B1 EP2260138B1 (de) | 2013-06-12 |
Family
ID=41009908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09729448.2A Revoked EP2260138B1 (de) | 2008-04-11 | 2009-04-08 | Wäschetrockner |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110023322A1 (de) |
EP (1) | EP2260138B1 (de) |
DE (1) | DE102008018356A1 (de) |
ES (1) | ES2425494T3 (de) |
PL (1) | PL2260138T3 (de) |
WO (1) | WO2009124736A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2910882A1 (de) | 2014-02-03 | 2015-08-26 | Kordecka, Wieslawa | Trockner zum Trocknen von feuchten Objekten mit Zirkulation eines Trocknungsmediums und Verfahren zum Schutz der Wärmepumpe des Trockners zum Trocknen von feuchten Gegenständen vor Überhitzung |
EP2910883A1 (de) | 2014-02-03 | 2015-08-26 | Kordecka, Wieslawa | Trockner zum trocknen von feuchten objekten mit zirkulation eines trocknungsmediums und verfahren zum trocknen von feuchten gegenständen |
EP2281935B1 (de) * | 2009-08-07 | 2016-04-20 | BSH Hausgeräte GmbH | Wäschebehandlungsgerät mit einem Elektromotor |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010031266A1 (de) * | 2010-07-13 | 2012-01-19 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Erkennen eines Ausfalls eines Riemens in einem Haushaltsgerät zur Pflege von Wäschestücken |
DE102012207741A1 (de) * | 2012-05-09 | 2013-11-14 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Betrieb eines Trockners mit variabler Motordrehzahl während einer Aufheizphase sowie hierfür geeigneter Trockner |
DE102012221919A1 (de) | 2012-11-29 | 2014-06-05 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit einem beleuchtbaren Behandlungsraum |
DE102013202969A1 (de) * | 2013-02-22 | 2014-08-28 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät, insbesondere Wäschetrockner, mit einem bürstenlosen Gleichstrommotor und Verfahren zum Betreiben eines bürstenlosen Gleichstrommotors in einem Haushaltsgerät |
DE102016220009A1 (de) * | 2016-10-13 | 2018-04-19 | Continental Automotive Gmbh | Schaltvorrichtung für eine elektrische Maschine, Klimakompressoranordnung mit elektrischer Maschine und Verfahren zum Betreiben einer elektrischen Maschine und eines Heizelements |
CN111118823B (zh) * | 2019-12-27 | 2022-08-02 | 无锡飞翎电子有限公司 | 洗衣机的控制装置及洗衣机 |
CN113417124A (zh) * | 2021-06-29 | 2021-09-21 | 江苏新安电器股份有限公司 | 一种不拆机可精准判断干衣机皮带断裂的检测方案 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431846C2 (de) * | 1994-09-07 | 2001-02-15 | Diehl Ako Stiftung Gmbh & Co | Verfahren zum beladungsabhängigen Steuern und/oder Regeln einer Waschmaschine oder eines Wäschetrockners |
KR100436152B1 (ko) * | 1997-02-17 | 2004-06-18 | 밀러 운트 씨에. 게엠 베하 운트 코 | 드럼축상에 배치된 구동모터를 가지는 세탁처리장치 |
JP3986195B2 (ja) * | 1999-02-04 | 2007-10-03 | アルプス電気株式会社 | テレビジョン信号受信用チュ−ナ |
DE19904993C2 (de) | 1999-02-08 | 2003-04-17 | Miele & Cie | Kondensationswäschetrockner |
DE19928657A1 (de) * | 1999-06-23 | 2000-12-28 | Diehl Ako Stiftung Gmbh & Co | Verfahren zur Messung der Beladung einer Wäschetrommel |
DE20008430U1 (de) * | 2000-05-10 | 2001-09-13 | Diehl Ako Stiftung Gmbh & Co | Elektrische Steuereinrichtung einer Waschmaschine oder eines Wäschetrockners |
DE10239493A1 (de) * | 2002-08-28 | 2004-03-11 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschebehandlungsgerät |
US6784673B2 (en) * | 2002-09-13 | 2004-08-31 | Whirlpool Corporation | Condition sensor for a dryer |
US6819255B2 (en) * | 2002-09-25 | 2004-11-16 | Whirlpool Corporation | Load size detection in a fabric dryer |
DE10305675B3 (de) | 2003-02-12 | 2004-05-27 | Diehl Ako Stiftung & Co. Kg | Verfahren zum Bestimmen der Trommel einer Wäschebehandlungsmaschine |
CN100417004C (zh) * | 2003-07-23 | 2008-09-03 | 松下电器产业株式会社 | 电动机控制设备及使用其的洗衣机和干燥机 |
JP4254472B2 (ja) * | 2003-10-15 | 2009-04-15 | パナソニック株式会社 | 洗濯機 |
DE10361405A1 (de) * | 2003-12-29 | 2005-07-28 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschebehandlungsgerät mit einer Steueranordnung zum Betreiben eines elektrischen Motors |
EP1819865A1 (de) * | 2004-10-22 | 2007-08-22 | Alliance International, besloten vennootschap met beperkte aansprakelijkheid | Waschmaschine, -trockner oder dergleichen mit drehbarem trommelschild |
DE102004055927A1 (de) | 2004-11-19 | 2006-05-24 | BSH Bosch und Siemens Hausgeräte GmbH | Antriebsmotor für einen Kondensations-Wäschetrockner |
-
2008
- 2008-04-11 DE DE102008018356A patent/DE102008018356A1/de not_active Ceased
-
2009
- 2009-04-08 WO PCT/EP2009/002583 patent/WO2009124736A1/de active Application Filing
- 2009-04-08 ES ES09729448T patent/ES2425494T3/es active Active
- 2009-04-08 PL PL09729448T patent/PL2260138T3/pl unknown
- 2009-04-08 EP EP09729448.2A patent/EP2260138B1/de not_active Revoked
-
2010
- 2010-10-12 US US12/902,258 patent/US20110023322A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2009124736A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2281935B1 (de) * | 2009-08-07 | 2016-04-20 | BSH Hausgeräte GmbH | Wäschebehandlungsgerät mit einem Elektromotor |
EP2910882A1 (de) | 2014-02-03 | 2015-08-26 | Kordecka, Wieslawa | Trockner zum Trocknen von feuchten Objekten mit Zirkulation eines Trocknungsmediums und Verfahren zum Schutz der Wärmepumpe des Trockners zum Trocknen von feuchten Gegenständen vor Überhitzung |
EP2910883A1 (de) | 2014-02-03 | 2015-08-26 | Kordecka, Wieslawa | Trockner zum trocknen von feuchten objekten mit zirkulation eines trocknungsmediums und verfahren zum trocknen von feuchten gegenständen |
Also Published As
Publication number | Publication date |
---|---|
US20110023322A1 (en) | 2011-02-03 |
WO2009124736A1 (de) | 2009-10-15 |
EP2260138B1 (de) | 2013-06-12 |
DE102008018356A1 (de) | 2009-10-15 |
ES2425494T3 (es) | 2013-10-15 |
PL2260138T3 (pl) | 2013-11-29 |
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