EP1342828A2 - Sèche-linge - Google Patents

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Publication number
EP1342828A2
EP1342828A2 EP03002961A EP03002961A EP1342828A2 EP 1342828 A2 EP1342828 A2 EP 1342828A2 EP 03002961 A EP03002961 A EP 03002961A EP 03002961 A EP03002961 A EP 03002961A EP 1342828 A2 EP1342828 A2 EP 1342828A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
clothes dryer
fan
dryer according
warm
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
Application number
EP03002961A
Other languages
German (de)
English (en)
Other versions
EP1342828A3 (fr
EP1342828B1 (fr
Inventor
Theodor Blum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1342828A2 publication Critical patent/EP1342828A2/fr
Publication of EP1342828A3 publication Critical patent/EP1342828A3/fr
Application granted granted Critical
Publication of EP1342828B1 publication Critical patent/EP1342828B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • 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
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/206—Heat pump arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/40—Movement
    • B65H2513/42—Route, path

Definitions

  • the invention relates to a clothes dryer according to the preamble of claim 1.
  • Such a tumble dryer is known from DE 199 04 993 A1.
  • the blowers for the hot air and the cold air are operated in different directions of rotation.
  • an overall reduced drying time of the laundry in the drum results in an energy-reduced drying process.
  • the drying process is still not optimized.
  • a clothes dryer is also known from DE 69 26 182 U, in which a Peltier element is provided.
  • the Peltier element is arranged with both its cold side and its warm side in the same air line.
  • a laundry dryer is also known from JP Patent Abstracts of Japan 08057194 A, in which in turn a Peltier element is arranged in the same air flow both with its cold side and with its warm side.
  • the object of the invention is thus seen in improving the drying process in a tumble dryer of the type mentioned at the outset.
  • a clothes dryer with the features of the preamble of claim 1 is designed in accordance with the characterizing part of this claim.
  • the warm side of at least one Peltier element is provided as the heating device and is arranged in the warm air flow.
  • the cold side of the Peltier element is arranged in a closed stream of cold air. This leads to a very cheap one Energy balance for the drying process, since both the hot side and the cold side of the Peltier element are used.
  • the cooled cold air flow results in an increased condensation of the warm air in the heat exchanger, so that a quick dehumidification of the laundry in the drum is ensured.
  • several Peltier elements thermally connected in series are arranged in the form of a Peltier cascade instead of a Peltier element.
  • the tumble dryer Since the cold air circuit and the warm air circuit are closed, the tumble dryer is completely closed to the outside, so that the room climate at the installation site is not affected or only very slightly influenced by a slight rise in temperature. In particular, there is no increase in air humidity.
  • the heat exchanger is advantageously a countercurrent heat exchanger.
  • a cross-flow heat exchanger was used in the generic tumble dryer.
  • the countercurrent heat exchanger used in the tumble dryer according to the invention is characterized in that a temperature exchange of the two air streams takes place over the entire longitudinal sectional area of this heat exchanger.
  • a further embodiment of the invention provides that at least one spacer element is arranged between the cold side and the warm side of the at least one Peltier element to increase the distance between the cooler surfaces on the cold side and the warm side. This results in a better power balance, since the hot side and the cold side are thermally decoupled.
  • a further embodiment of the invention provides that the fan in the warm air circuit is a radial fan with a first fan wheel.
  • the same fan is expediently also used in the cold air circuit, a second fan wheel being provided for this purpose.
  • Both Fan wheels of the radial fan are arranged on the same axis and driven by a single drive motor.
  • a vacuum pump is provided.
  • the vacuum pump is located inside the dryer and reduces the air pressure inside the dryer by approximately 0.2 bar. This leads to an increase in the efficiency of the drying process, since the evaporation temperature is lowered by the use of the vacuum pump, so that a very low drying temperature is thereby made possible.
  • the clothes dryer 1 has a closed warm air circuit 2 and a closed cold air circuit 3.
  • a first fan wheel 5 of a blower 6, a warm side 7 of a Peltier cascade 8 with Peltier elements as a heating device, a rotatably mounted drum 9 for receiving the laundry to be dried, a fluff filter 10 and a heat exchanger 11 are arranged in the flow direction 4.
  • a second fan wheel 13 of the fan 6, a cold side 14 of the Peltier cascade 8 for cooling the cold air and the heat exchanger 11 are arranged in the flow direction 12.
  • a container 15 for receiving the condensed water is provided below the heat exchanger 11.
  • the fan 6 is a radial fan, the first fan wheel 5 and the second fan wheel 13 are arranged on the same axis and are driven by a single drive motor.
  • the warm side 7 of the Peltier cascade 8 is designed as a multi-part air cooler.
  • the cold side 14 of the Peltier cascade 8 is designed as a one-piece air cooler.
  • the Peltier cascade 8 has a total of 3 double Peltier elements 16, which are arranged thermally in series.
  • a spacer element 17 is provided between each double Peltier element 16 so that the warm side 7 and the cold side 14 are at a greater distance from one another and are therefore thermally decoupled.
  • insulating elements 18 are provided between the hot side 7 and the cold side 14.
  • the spacer elements 17 have a high thermal conductivity in order to enable effective heat transfer from the Peltier elements 16 to the warm side 7.
  • the spacer elements 17 are made of copper. However, other materials with high thermal conductivity are also conceivable.
  • the thickness of the Peltier elements is 4 mm and the thickness of each spacer element 17 is at least 10 mm.
  • the heat exchanger 11 is a counterflow heat exchanger.
  • the countercurrent heat exchanger has individual profile plates 19 arranged one above the other, each profile plate 19 having a hexagonal shape overall.
  • the profile plates 19 for the warm air and the profile plates 19 for the cold air lie alternately one above the other, the profile plates 19 for the cold air and the profile plates 19 for the warm air being rotated relative to one another in the plane of the plate by 180 °.
  • a separating layer is arranged between each profile plate 19.
  • Each profile plate 19 has a wave-shaped profile and consists of a first triangular shape 20, a second triangular shape 21 and a rectangular shape 22. On the opposite sides of the rectangular shape 22, as seen in the longitudinal direction of the profile plate 19, there is in each case a triangular shape 20, 21.
  • Each triangular shape 20, 21 is manufactured in such a way that each profile channel 23 of triangular shape 20 and each profile channel 24 of triangular shape 21 exactly adjoins two profile channels 25 of rectangular shape 22. This precise determination of the widths of the profile channels and is achieved in that each triangular shape is cut or punched out of a material such that the ratio of hypotenuse to height is 3.5 to 1 for each triangular shape.
  • the triangular shapes are identical.
  • the Profile channels 23, 24 of the triangular shapes 20, 21 run obliquely, in particular at an angle of approximately 60 °, to the longitudinal direction, while the profile channels 25 of the rectangular shape 22 run parallel to the longitudinal direction.
  • FIG. 2 shows schematically the arrangement of the Peltier cascade 8, the heat exchanger 11, the drum 9, the container 15 for the condensed water and a motor 27 for the drum 9 within the clothes dryer 1 according to the invention Peltier cascade 8. Furthermore, an operating bar 26 is provided on the front of the clothes dryer 1 for the operation of the clothes dryer 1.
  • a vacuum pump 28 is provided, which is arranged within the clothes dryer 1.
  • the air pressure within the tumble dryer 1 is reduced by approximately 0.2 bar, which increases the efficiency of the drying process, since the evaporation temperature is reduced by using the vacuum pump 28.
  • the heat exchanger 11 in FIG. 3 is only drawn out for better illustration of the air flow and is actually arranged in the clothes dryer 1.
  • the warm air flows through the drum 9 with the moist laundry in a closed circuit, then the fluff filter 10 and then the heat exchanger 11 and further the fan wheel 5 on the warm side and the warm side 7 of the Peltier cascade 8, which is designed as an air cooler, on the warm side.
  • the cold air flows in a closed circuit from the outlet of the cold side 14 designed as an air cooler through the heat exchanger 11, back to the fan wheel 13 on the cold side and again through the cold side 14.
  • the laundry can be dried at a low drying temperature and is therefore particularly gentle. Since the circuits for warm air and cold air are completely closed, the room climate at the installation site is only very slightly influenced by the drying process due to a slight increase in temperature. There is no increase in air humidity and no fluff.
  • the counterflow heat exchanger 11 enables a large temperature difference despite the low temperature. Furthermore, the tumble dryer is very quiet due to the closed arrangement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP03002961A 2002-02-21 2003-02-11 Sèche-linge Expired - Lifetime EP1342828B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20202782U 2002-02-21
DE20202782U DE20202782U1 (de) 2002-02-21 2002-02-21 Wäschetrockner

Publications (3)

Publication Number Publication Date
EP1342828A2 true EP1342828A2 (fr) 2003-09-10
EP1342828A3 EP1342828A3 (fr) 2004-12-01
EP1342828B1 EP1342828B1 (fr) 2006-12-20

Family

ID=7968139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03002961A Expired - Lifetime EP1342828B1 (fr) 2002-02-21 2003-02-11 Sèche-linge

Country Status (3)

Country Link
EP (1) EP1342828B1 (fr)
AT (1) ATE348909T1 (fr)
DE (2) DE20202782U1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005114755A2 (fr) * 2004-05-18 2005-12-01 Basf Aktiengesellschaft Tellurures presentant de nouvelles combinaisons de proprietes
WO2005114756A2 (fr) * 2004-05-18 2005-12-01 Basf Aktiengesellschaft Antimoniures ayant de nouvelles combinaisons de proprietes
DE102005057763A1 (de) * 2005-12-02 2007-06-06 BSH Bosch und Siemens Hausgeräte GmbH Thermoelektrisches Modul
WO2007071536A1 (fr) * 2005-12-19 2007-06-28 BSH Bosch und Siemens Hausgeräte GmbH Sèche-linge à pompe à chaleur peltier
WO2007071517A1 (fr) * 2005-12-15 2007-06-28 BSH Bosch und Siemens Hausgeräte GmbH Circuit pour module a effet peltier
WO2008031688A1 (fr) * 2006-09-13 2008-03-20 BSH Bosch und Siemens Hausgeräte GmbH Dispositif et procédé de séchage de linge comprenant une pompe à chaleur et un échangeur thermique
WO2008052906A2 (fr) * 2006-10-31 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Procédé pour faire fonctionner un appareil électroménager destiné à l'entretien du linge
WO2008077838A1 (fr) * 2006-12-25 2008-07-03 Arcelik Anonim Sirketi Machine à laver/sèche-linge
US7604014B2 (en) 2003-07-30 2009-10-20 Bsh Bosch Und Siemens Hausgeraete Gmbh Dishwasher
WO2012089514A1 (fr) * 2010-12-27 2012-07-05 Arcelik Anonim Sirketi Lave-vaisselle comprenant un module thermoélectrique
US8356496B2 (en) 2005-12-06 2013-01-22 Bsh Bosch Und Siemens Hausgeraete Gmbh Apparatus and method for loading items to be washed with an air flow
US8365539B2 (en) 2010-02-12 2013-02-05 Massachusetts Institute Of Technology System and method for thermal process including a thermoelectric heat pump and internal heat exchanger
US9322126B2 (en) 2005-12-16 2016-04-26 Bsh Hausgeraete Gmbh Domestic appliance comprising a thermoelectric heat pump

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055926A1 (de) * 2004-11-19 2006-05-24 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einer Trocknungseinheit
DE102005056942A1 (de) * 2005-11-29 2007-05-31 BSH Bosch und Siemens Hausgeräte GmbH Wärmetrockner mit Peltier-Wärmepumpe
DE102005060041A1 (de) * 2005-12-15 2007-06-21 BSH Bosch und Siemens Hausgeräte GmbH Schaltungsanordnung für ein Peltiermodul
DE102006000708A1 (de) * 2006-01-03 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Dichtungsanordnung für eine Wärmetauschervorrichtung
DE102006020579A1 (de) * 2006-05-03 2007-11-08 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Schaltungsanordnung zum Steuern eines Trock-nungsprozesses eines Hausgeräts zur Pflege von Wäschestücken
DE102006020578A1 (de) * 2006-05-03 2007-11-08 BSH Bosch und Siemens Hausgeräte GmbH Schaltungsanordnung und Verfahren zum Betreiben eines Peltier-Moduls einer Wärmepumpe eines Hausgeräts
DE102006026251A1 (de) * 2006-06-06 2007-12-13 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung und Verfahren zum Trocknen von Waschgut
DE102006051504A1 (de) 2006-10-31 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben eines Hausgeräts zur Pflege von Wäschestücken
DE102010034716A1 (de) * 2010-08-18 2012-02-23 Etimex Technical Components Gmbh Verfahren und Vorrichtung zum Betreiben einer wasserführenden Maschine
TR201106328A1 (tr) * 2011-06-27 2013-01-21 Arçeli̇k Anoni̇m Şi̇rketi̇ Termoelektrik ısı pompası içeren bir çamaşır kurutucu.
US9140396B2 (en) 2013-03-15 2015-09-22 Water-Gen Ltd. Dehumidification apparatus
WO2015136393A1 (fr) * 2014-03-11 2015-09-17 Water-Gen Ltd. Sèche-linge à condensation à cycle fermé avec régénération thermique
US10151060B2 (en) 2015-11-24 2018-12-11 Water-Gen Ltd Steam compression dryer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036383A (en) * 1958-08-26 1962-05-29 Philco Corp Drying apparatus
DE6926182U (de) * 1969-07-01 1969-12-04 Christian Schneider Waeschetrockner
JPH0857194A (ja) * 1994-08-26 1996-03-05 Matsushita Electric Ind Co Ltd 除湿型電気衣類乾燥機
DE19904993A1 (de) * 1999-02-08 2000-08-10 Miele & Cie Kondensationswäschetrockner
DE20101641U1 (de) * 2001-01-29 2002-06-06 Akg Thermotechnik Gmbh & Co Kg Kondensations-Wäschetrockner und dafür geeigneter Kondensations-Wärmeaustauscher

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036383A (en) * 1958-08-26 1962-05-29 Philco Corp Drying apparatus
DE6926182U (de) * 1969-07-01 1969-12-04 Christian Schneider Waeschetrockner
JPH0857194A (ja) * 1994-08-26 1996-03-05 Matsushita Electric Ind Co Ltd 除湿型電気衣類乾燥機
DE19904993A1 (de) * 1999-02-08 2000-08-10 Miele & Cie Kondensationswäschetrockner
DE20101641U1 (de) * 2001-01-29 2002-06-06 Akg Thermotechnik Gmbh & Co Kg Kondensations-Wäschetrockner und dafür geeigneter Kondensations-Wärmeaustauscher

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN Bd. 1996, Nr. 07, 31. Juli 1996 (1996-07-31) -& JP 08 057194 A (MATSUSHITA ELECTRIC IND CO LTD), 5. März 1996 (1996-03-05) *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7604014B2 (en) 2003-07-30 2009-10-20 Bsh Bosch Und Siemens Hausgeraete Gmbh Dishwasher
WO2005114756A2 (fr) * 2004-05-18 2005-12-01 Basf Aktiengesellschaft Antimoniures ayant de nouvelles combinaisons de proprietes
WO2005114756A3 (fr) * 2004-05-18 2006-05-04 Basf Ag Antimoniures ayant de nouvelles combinaisons de proprietes
WO2005114755A3 (fr) * 2004-05-18 2006-05-11 Basf Ag Tellurures presentant de nouvelles combinaisons de proprietes
WO2005114755A2 (fr) * 2004-05-18 2005-12-01 Basf Aktiengesellschaft Tellurures presentant de nouvelles combinaisons de proprietes
DE102005057763A1 (de) * 2005-12-02 2007-06-06 BSH Bosch und Siemens Hausgeräte GmbH Thermoelektrisches Modul
US8356496B2 (en) 2005-12-06 2013-01-22 Bsh Bosch Und Siemens Hausgeraete Gmbh Apparatus and method for loading items to be washed with an air flow
WO2007071517A1 (fr) * 2005-12-15 2007-06-28 BSH Bosch und Siemens Hausgeräte GmbH Circuit pour module a effet peltier
US9322126B2 (en) 2005-12-16 2016-04-26 Bsh Hausgeraete Gmbh Domestic appliance comprising a thermoelectric heat pump
WO2007071536A1 (fr) * 2005-12-19 2007-06-28 BSH Bosch und Siemens Hausgeräte GmbH Sèche-linge à pompe à chaleur peltier
WO2008031688A1 (fr) * 2006-09-13 2008-03-20 BSH Bosch und Siemens Hausgeräte GmbH Dispositif et procédé de séchage de linge comprenant une pompe à chaleur et un échangeur thermique
WO2008052906A2 (fr) * 2006-10-31 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Procédé pour faire fonctionner un appareil électroménager destiné à l'entretien du linge
WO2008052906A3 (fr) * 2006-10-31 2008-06-19 Bsh Bosch Siemens Hausgeraete Procédé pour faire fonctionner un appareil électroménager destiné à l'entretien du linge
CN101568681B (zh) * 2006-12-25 2011-08-17 阿塞里克股份有限公司 洗衣机/烘干机
WO2008077838A1 (fr) * 2006-12-25 2008-07-03 Arcelik Anonim Sirketi Machine à laver/sèche-linge
US9279212B2 (en) 2006-12-25 2016-03-08 Arcelik Anonim Sirketi Washer/dryer
US8365539B2 (en) 2010-02-12 2013-02-05 Massachusetts Institute Of Technology System and method for thermal process including a thermoelectric heat pump and internal heat exchanger
WO2012089514A1 (fr) * 2010-12-27 2012-07-05 Arcelik Anonim Sirketi Lave-vaisselle comprenant un module thermoélectrique

Also Published As

Publication number Publication date
DE50306006D1 (de) 2007-02-01
ATE348909T1 (de) 2007-01-15
EP1342828A3 (fr) 2004-12-01
EP1342828B1 (fr) 2006-12-20
DE20202782U1 (de) 2002-04-25

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