EP1966427B1 - Sèche-linge à pompe à chaleur peltier - Google Patents

Sèche-linge à pompe à chaleur peltier Download PDF

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Publication number
EP1966427B1
EP1966427B1 EP06830224A EP06830224A EP1966427B1 EP 1966427 B1 EP1966427 B1 EP 1966427B1 EP 06830224 A EP06830224 A EP 06830224A EP 06830224 A EP06830224 A EP 06830224A EP 1966427 B1 EP1966427 B1 EP 1966427B1
Authority
EP
European Patent Office
Prior art keywords
peltier
air
filter
module
heat pump
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.)
Not-in-force
Application number
EP06830224A
Other languages
German (de)
English (en)
Other versions
EP1966427A1 (fr
Inventor
Harald MOSCHÜTZ
Ingo Schulz
Andreas Stolze
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1966427A1 publication Critical patent/EP1966427A1/fr
Application granted granted Critical
Publication of EP1966427B1 publication Critical patent/EP1966427B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 
    • D06F58/206—Heat pump arrangements
    • 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 

Definitions

  • the invention relates to a clothes dryer with Peltier heat pump according to the preamble of patent claim 1.
  • Such a tumble dryer is for example from the DE 69 26 182 U known.
  • Such a dryer is also in the DE 201 01 641 U1 or EP 1 342 828 A2 disclosed.
  • Peltier-Element From a document published on November 25, 2005 from the Internet address http://en.wikipedia.org/wiki/Peltier-Element was downloadable, a commercially available Peltier element in construction and function is known. Half elements of this Peltier element, are formed in column or cuboid and consist of doped semiconductors as materials.
  • the semiconductors are in particular bismuth telluride, and a p-type doped semiconductor and an n-type doped semiconductor are used.
  • a half element of the p-type doped semiconductor and a half element of the n-type doped semiconductor are each connected to one side via a printed circuit board, also referred to as a metal bridge, and at another side, which is opposite to said one side , connected in each case via a further printed circuit board with a further half-element or a connection contact for connection of the Peltier element to an electrical network.
  • a printed circuit board also referred to as a metal bridge
  • One from one in the "Patent Abstracts of Japan" data collection JP 08 057 194 A belonging to English short extract device for drying laundry, which in turn corresponds to the type described input contains in its first channel system in addition to a hot side and a cold side, both of which belong to a thermoelectrically operable heat pump, a cold side upstream additional heat exchanger for cooling the of the Laundry goods discharged air flow and one of the hot side downstream additional heating device for further heating of the air flow before applying the laundry.
  • a Peltier element module in a corresponding heat pump device has a cold side and a hot side. On the cold side air is passed in a tube for cooling and for dispensing moisture. The thus dried air is passed in a tube on the hot side for reheating.
  • Water on a Peltier element can cause corrosion and even short-circuit or short-circuit, causing the entire Peltier element module to fail.
  • a filter permeable to air and water vapor is arranged in the tube, which runs along the hot side of the module (ie, guided along there), to the Peltier elements.
  • This filter provides a transport of water effective connection between the space in which the Peltier elements are arranged, and the warm side of the Peltier module, where there is a minimum partial pressure of water vapor at least in the area of the Peltier module. Due to the filter, this minimum partial pressure also adjusts itself to the Peltier elements, and any excess water that might have accumulated there is carried away by the filter to the warm side, thus escaping unwanted moisture from the Peltier elements in the pipe.
  • the Peltier elements are now ventilated, from the hot side, and at the same time actively dehumidified.
  • the sealing effort in the production of the modules is reduced and the overall quality of the heat pump is improved.
  • the filter is preferably impermeable to a liquid, such as water, to preclude ingress of liquid water, at least from the hot side.
  • a filter is particularly suitable a filter made of polytetrafluoroethylene, z. B. from expanded polytetrafluoroethylene, as it is offered by the company Gore & Ass. On the market.
  • the Peltier elements are preferably arranged in an interior of the Peltier module defined by walls, and the filter creates an air and water vapor permeable connection from the pipe to the interior (and thus also from the interior to the pipe). Due to the sufficient ventilation of the interior of the Peltier element module Pressure fluctuations are prevented, and any moisture that may penetrate can evaporate from inside the module due to the water vapor partial pressure gradient.
  • FIG. 1 Figure schematically illustrates the construction of a tumble dryer.
  • the laundry In the tumble dryer, the laundry is in a laundry drum 10.
  • the laundry drum 10 has an outlet 12 and an inlet 14 for air.
  • the air from the outlet 12 first passes into a tube 16, in which it is sucked into by means of a pump 18, wherein the tube to the cold side (right in the picture) is guided out of a Peltier elements 20 Peltier element module.
  • a Peltier elements 20 Peltier element module At the cold side of the Peltier element module, water from the air taken from the laundry in the drum 10 condenses and is collected in a container (not shown).
  • the dried air is now passed via the tube 22 into the tube 24, which connects the hot side of the Peltier element module with the inlet 14 of the drum 10. There, the dried air is warmed up, so that it enters the inlet 14 as warm air in order to be able to dry laundry in the drum 10 again.
  • the guidance of the air shown in the figure only as a schematic representation of a real leadership, according to which the Peltier elements 20 shown in the figure would have to be successively swept by the air, first at the respective cold side, then at the respective warm side.
  • the real guide is to be interpreted as an S-shaped loop passing twice as described above the Peltier elements 20.
  • the Peltier element module is sealed to the outside according to the preferred embodiment shown here by walls 26, wherein in the image laterally the tubes 16 and 24 each form the conclusion.
  • a filter 28 is provided which is disposed in the tube 24 and creates a connection from the tube interior of the tube 24 to the interior of the Peltier element module.
  • the filter 28, shown only schematically herein, is located at a location where it least affects the warming of the air in the pipe 24 on the hot side of the Peltier element module and the interior of the Peltier element module with a location in the pipe 24, at which there is a minimum partial pressure of water vapor, connects.
  • the filter 28 which is made of expanded polytetrafluoroethylene, which is permeable to air and water vapor, but impermeable to liquids, may optionally in the interior of the Peltier element module between the walls 26, for example via leaks to the pipe 16 on the cold side , Liquid entered, evaporate and pass through the filter 28 into the tube 24, and thus out of the interior of the Peltier element module out again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Gloves (AREA)

Claims (4)

  1. Sèche-linge avec une pompe à chaleur qui présente un module à élément Peltier avec des éléments Peltier (20), qui a une face froide devant laquelle de l'air est amené dans un tuyau (16) pour le refroidir et le déshumidifier et qui a une face chaude devant laquelle l'air séché est amené dans un tuyau (24) pour le réchauffer, caractérisé en ce qu'un filtre (28) perméable à l'air et à la vapeur d'eau est disposé dans le tuyau (24) qui s'étend le long de la face chaude du module, en direction des éléments Peltier (20).
  2. Sèche-linge selon la revendication 1, dans lequel le filtre (28) est imperméable aux liquides.
  3. Sèche-linge selon l'une des revendications précédentes, dans lequel le filtre est en polytétrafluoroéthylène (PTFE), de manière préférée en polytétrafluoroéthylène expansé.
  4. Sèche-linge selon l'une des revendications précédentes, dans lequel les éléments Peltier (20) sont disposés dans un espace intérieur du module de Peltier délimité par des parois (26), et dans lequel le filtre (28) crée une liaison perméable à l'air et à la vapeur d'eau du tuyau (24) vers l'espace intérieur.
EP06830224A 2005-12-19 2006-11-30 Sèche-linge à pompe à chaleur peltier Not-in-force EP1966427B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005060673A DE102005060673A1 (de) 2005-12-19 2005-12-19 Wäschetrockner mit Peltier-Wärmepumpe
PCT/EP2006/069120 WO2007071536A1 (fr) 2005-12-19 2006-11-30 Sèche-linge à pompe à chaleur peltier

Publications (2)

Publication Number Publication Date
EP1966427A1 EP1966427A1 (fr) 2008-09-10
EP1966427B1 true EP1966427B1 (fr) 2009-05-13

Family

ID=37712456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06830224A Not-in-force EP1966427B1 (fr) 2005-12-19 2006-11-30 Sèche-linge à pompe à chaleur peltier

Country Status (6)

Country Link
US (1) US20100212176A1 (fr)
EP (1) EP1966427B1 (fr)
KR (1) KR20080079326A (fr)
AT (1) ATE431455T1 (fr)
DE (2) DE102005060673A1 (fr)
WO (1) WO2007071536A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2372012B1 (fr) 2010-03-30 2016-08-31 DBK David + Baader GmbH Unité de condensateur, appareil domestique, et procédé de contrôle de cet appareil domestique
US9088018B2 (en) * 2010-12-15 2015-07-21 The Boeing Company Water harvesting system
US10378143B2 (en) 2011-04-29 2019-08-13 Tai-Her Yang Heat reflux drying machine utilizing inlet/outlet air temperature difference to condense water
DE102014013045A1 (de) 2014-09-03 2016-03-03 Detlef Görgens Wäschetrockner oder Waschmaschine mit Wäschetrocknungseinrichtung mit Wärmepumpeneinrichtung, bei denen Teile der Maschinen aus Mineralguss bestehen.
DE102019210546A1 (de) * 2019-07-17 2021-01-21 BSH Hausgeräte GmbH Haushaltsgerätefilter und Haushaltsgerät damit

Family Cites Families (9)

* 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
DE1410206A1 (de) * 1959-09-21 1968-10-10 Siemens Elektrogeraete Gmbh Waschmaschine
DE6926182U (de) * 1969-07-01 1969-12-04 Christian Schneider Waeschetrockner
DE3134506A1 (de) * 1981-09-01 1983-03-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "verfahren und anordnung zur kondensation von damp aus einem dampf-gas-gemisch"
US5575835A (en) * 1995-08-11 1996-11-19 W. L. Gore & Associates, Inc. Apparatus for removing moisture from an environment
DE20101641U1 (de) * 2001-01-29 2002-06-06 Akg Thermotechnik Gmbh & Co Kg Kondensations-Wäschetrockner und dafür geeigneter Kondensations-Wärmeaustauscher
DE20202782U1 (de) * 2002-02-21 2002-04-25 Blum Theodor Wäschetrockner
DE102004055926A1 (de) * 2004-11-19 2006-05-24 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einer Trocknungseinheit
US7526879B2 (en) * 2005-11-04 2009-05-05 Lg Electronics Inc. Drum washing machine and clothes dryer using peltier thermoelectric module

Also Published As

Publication number Publication date
WO2007071536A1 (fr) 2007-06-28
US20100212176A1 (en) 2010-08-26
KR20080079326A (ko) 2008-08-29
EP1966427A1 (fr) 2008-09-10
DE102005060673A1 (de) 2007-06-21
DE502006003748D1 (de) 2009-06-25
ATE431455T1 (de) 2009-05-15

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