EP1920103A1 - Verfahren und vorrichtung zum trocknen eines textilstücks - Google Patents
Verfahren und vorrichtung zum trocknen eines textilstücksInfo
- Publication number
- EP1920103A1 EP1920103A1 EP06763871A EP06763871A EP1920103A1 EP 1920103 A1 EP1920103 A1 EP 1920103A1 EP 06763871 A EP06763871 A EP 06763871A EP 06763871 A EP06763871 A EP 06763871A EP 1920103 A1 EP1920103 A1 EP 1920103A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air flow
- oscillating
- textile
- drying
- piece
- 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
- 239000004753 textile Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000001035 drying Methods 0.000 title claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000003570 air Substances 0.000 description 32
- 239000000463 material Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000544 Gore-Tex Polymers 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/06—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by vibrating the textile material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
Definitions
- the invention relates to a method and an apparatus for drying a piece of fabric, wherein the drying is provided such that the textile piece is acted upon by an air flow for the removal of moisture, wherein a partial pressure of water vapor in the air stream is varied.
- EP 1 321 562 A2 provides that this process of drying takes place at a temperature which is reduced with respect to an initial temperature, when the moisture to be dried of the textile piece to be dried falls below a predetermined point with a corresponding sensor.
- the relevant thermodynamic laws require that a reduction of the temperature in a water vapor-containing air stream implies a reduction of a partial pressure of water vapor in this air stream, wherein EP 1 321 562 A2 does not contain any statement or doctrine.
- An automatic clothes dryer is shown in U.S. Patent 4,763,425.
- This dryer is a regulation of the temperature at which moist laundry is dried, depending on the type of textile laundry and the desired degree of drying of the laundry.
- the control of this temperature is effected by switching on and off of an electrical heating element, wherein the temperature for the duration of the drying process with a small, in particular plus or minus 5 degrees Fahrenheit (3 Kelvin) amount, constant deviation is kept constant.
- Layered textile material which is equipped with a so-called functional membrane, which is a semi-permeable membrane which, although permeable to water vapor but not to liquid water, is widely used for sports, rain and winter clothing. because this material has particularly favorable performance properties.
- Such functional membranes are marketed under the brand names GoreTEX and Sympatex. Such material is basically to wash or clean without specific precautions to protect the functional membrane, however, there is a problem when drying a wet piece of textile of this type in a conventional clothes dryer: The fact that liquid water can not penetrate such a functional membrane, it is not possible to evenly dry such a piece of fabric in a conventional drying process. Moisture shielded by the functional membrane from the airflow used for drying can not pass as moisture to the airflow, but must be vaporized to pass through the functional membrane and into the airflow. The conventional drying process thus functions only to a limited extent and at significantly increased expenditure of time on a textile membrane having a functional membrane.
- the invention to be described below is based on the object to provide a generic method and a generic device with which circumvents the problem described above and a quick and gentle drying of a semipermeable membrane having textile piece can be achieved.
- a method for drying a piece of fabric wherein the textile piece is acted upon by an air stream for removing moisture, wherein a partial pressure of water vapor is varied in the air flow, in which method the textile piece acting air flow an oscillating partial pressure of water vapor having.
- an apparatus for drying a textile article comprising: a) a treatment space for receiving the textile article; b) means for generating an air stream for removing moisture from the textile piece, the air stream having a variable partial pressure of water vapor; c) a control device, by which in the air flow an oscillating partial pressure of water vapor can be generated.
- the invention is based on the recognition that it is necessary in addition to the creation of an adapted temperature and adapted flow conditions for drying a piece of textile with a semi-permeable membrane to ensure the generation of the highest possible gradient of the partial pressure of water vapor over the semipermeable membrane, so that the moisture shielded from the semipermeable membrane is vaporized in the fabric and forced through the membrane.
- the invention is further based on the finding that such a partial pressure gradient is not achievable with a steady state of equilibrium, as always achieves in the context of a conventional drying process. Accordingly, the invention provides to selectively vary the partial pressure of water vapor in the air flow flowing around the textile piece.
- the partial pressure during the drying process oscillates, that is relatively fast compared to the duration of the process as a whole, is varied.
- the moisture in the fabric is heated to evaporate and thus be prepared for passage through the semipermeable membrane.
- the vaporized moisture is forced through the membrane.
- the oscillating partial pressure is caused by an oscillating temperature in the air flow;
- a heating device for the air flow is provided, which is set up for a corresponding oscillating, in particular cyclically switching on and off, heating of the air flow.
- the heater in particular by a correspondingly configured control device, alternately turned on and off, each period of switching off between 100 and 200 s, in particular between 120 and 180 s, lasts. In this case, it is provided in particular that to dry a single textile piece with a semi-permeable membrane, each period of switching off takes about 180 s. It is particularly important to cause a significant fluctuation of the partial pressure of water in the air flow by the alternating switching on and off of the heater in order to achieve the desired disturbance of the flow equilibrium on the semipermeable membrane.
- a preferred embodiment with respect to the variable temperature to be set in the air flow requires that the temperature oscillate with an amplitude of at least 10 Kelvin, in particular approximately 20 Kelvin.
- the desired disturbance of the flow equilibrium on a semipermeable membrane can be achieved well and expediently.
- the prior art knows already oscillating heaters and oscillating temperatures; However, such oscillations are apparative, in particular due to strict conditions in terms of permissible for a marketable product effort.
- the textile piece is moved in the air stream, for example by a rotating drum, in which the textile piece is introduced.
- a particularly uniform and thus fast and gentle drying of the textile piece is achieved.
- the device is designed as a clothes dryer of the condensation type.
- This circuit comprises, in particular, a fan for driving the air flow, a condenser for condensing out moisture, and a heater for heating the air flow after it has been freed of condensed moisture in the condenser. From the heater, the air flow back into the treatment room and from there to the condenser, the placement of the fan can basically be done at any point in the cycle.
- the adjustment of the oscillating partial pressure of water vapor in the air stream can also take place in such a way that the condensation out of moisture from the air stream takes place in an oscillating manner after the textile piece has been acted upon.
- This is accomplished in the device, in particular, by virtue of the fact that the circuit has a correspondingly configured capacitor which can be controlled by the control device.
- Such control can be accomplished by controlling heat removal from the condenser.
- the condensing performance can be controlled by controlling the supply of ambient air for heat exchange.
- the apparatus is preferably adapted to simultaneously dry a plurality of pieces of text.
- control means offers a user a plurality of methods for drying a piece of fabric for selection, one of these methods being designed in the manner just described and being offered for drying a piece of textile which has a layered finish Having structure with a semi-permeable membrane.
- Figures 1 and 2 curves of temperature and heating power in a method for drying a piece of fabric according to the teachings disclosed herein or conventional;
- FIG. 3 shows a sketch of a device for carrying out the here disclosed
- Fig. 4 a sketch of a textile piece with a layered structure and a semipermeable membrane.
- FIG. 1 The course of temperature T and heating power P of a method according to the present invention are shown in FIG. 1.
- the temperature T is not kept substantially constant, but in relatively fast steps around an average value oscillates; preferred time and temperature values can be found in the above description of preferred embodiments.
- the heating is also carried out in an oscillating manner. This oscillation breaks a steady state equilibrium which accords with the process.
- Fig. 2 would adjust, and supports the removal of moisture through a semi-permeable membrane. Corresponding textile pieces can therefore be dried considerably faster with a process according to FIG. 1 than with a process according to FIG. Fig. 2.
- FIG. 3 shows a sketch of a device for drying a textile piece 1.
- this is located in a rotating drum 2 in a treatment space is traversed by a symbolized by arrows with solid lines airflow.
- This has a suitable high temperature to dissipate moisture from the textile piece 1.
- the air flow is driven by a fan 3, which in turn is driven by a motor 4. From the blower 3, the air flow passes to a condenser 5, in which the air flow is cooled and a part of the moisture contained in it is condensed out.
- the condensed moisture is fed to a collecting vessel 6 and disposed of after use of the device.
- the cooled and freed of moisture air flow reaches a heater 7, where it is heated to the desired temperature for the treatment of the textile piece 1 again. From the heater 7, the air flow passes back to the drum 2 and the textile piece 1.
- a correspondingly programmed control device 8 is provided.
- the control device 8 controls the drum 2, the blower 3, the condenser 5 and the heater 7. It is designed and arranged to generate an oscillating partial pressure of water vapor in the air stream applied to the textile piece. For this purpose, it accesses the heating device 7 and / or the capacitor 5.
- the apparatus offers a user a variety of methods of drying a garment for selection.
- the selection is made by means of a knob 9, to which a corresponding scale 10 is attached.
- Fig. 4 shows a sketch of a textile piece 1 with a layered structure.
- a semipermeable membrane 13 is inserted between an upper textile layer 11 and a lower textile layer 12.
- This semipermeable membrane 13 may be provided as an independent component or as a layer on a suitable carrier material.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005035653A DE102005035653A1 (de) | 2005-07-29 | 2005-07-29 | Verfahren und Vorrichtung zum Trocknen eines Textilstücks |
PCT/EP2006/063529 WO2007012529A1 (de) | 2005-07-29 | 2006-06-26 | Verfahren und vorrichtung zum trocknen eines textilstücks |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1920103A1 true EP1920103A1 (de) | 2008-05-14 |
EP1920103B1 EP1920103B1 (de) | 2018-10-31 |
Family
ID=36923890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06763871.8A Active EP1920103B1 (de) | 2005-07-29 | 2006-06-26 | Verfahren und vorrichtung zum trocknen eines textilstücks |
Country Status (6)
Country | Link |
---|---|
US (1) | US8984768B2 (de) |
EP (1) | EP1920103B1 (de) |
KR (1) | KR101308315B1 (de) |
DE (1) | DE102005035653A1 (de) |
EA (1) | EA013173B1 (de) |
WO (1) | WO2007012529A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005020095A1 (de) * | 2005-04-29 | 2006-11-02 | BSH Bosch und Siemens Hausgeräte GmbH | Elektrischer Schaltkreis |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3254423A (en) * | 1961-12-04 | 1966-06-07 | Hamilton Mfg Co | Dryer control circuit |
US3253346A (en) * | 1962-04-09 | 1966-05-31 | Philco Corp | Laundry machine |
US3218730A (en) * | 1962-06-14 | 1965-11-23 | Gen Motors Corp | Termination control for a condensing clothes dryer |
US3621202A (en) * | 1970-11-16 | 1971-11-16 | Gsw Ltd | Automatic drying cycle for clothes dryers |
US4713894A (en) * | 1984-08-07 | 1987-12-22 | Intraspec, Inc. | Automated dryer control system |
US4763425A (en) * | 1987-06-25 | 1988-08-16 | Speed Queen Company | Automatic clothes dryer |
DE10162923A1 (de) * | 2001-12-20 | 2003-07-03 | Bsh Bosch Siemens Hausgeraete | Verfahren und Vorrichtung zum Trocknen von Textilien |
DE10163200A1 (de) * | 2001-12-21 | 2003-07-10 | Bsh Bosch Siemens Hausgeraete | Wäschebehandlungsvorrichtung |
-
2005
- 2005-07-29 DE DE102005035653A patent/DE102005035653A1/de not_active Withdrawn
-
2006
- 2006-06-26 WO PCT/EP2006/063529 patent/WO2007012529A1/de active Application Filing
- 2006-06-26 KR KR1020087004219A patent/KR101308315B1/ko not_active IP Right Cessation
- 2006-06-26 US US11/989,454 patent/US8984768B2/en not_active Expired - Fee Related
- 2006-06-26 EA EA200800139A patent/EA013173B1/ru not_active IP Right Cessation
- 2006-06-26 EP EP06763871.8A patent/EP1920103B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2007012529A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20090300938A1 (en) | 2009-12-10 |
EA200800139A1 (ru) | 2008-08-29 |
WO2007012529A1 (de) | 2007-02-01 |
KR101308315B1 (ko) | 2013-09-30 |
EP1920103B1 (de) | 2018-10-31 |
EA013173B1 (ru) | 2010-02-26 |
DE102005035653A1 (de) | 2007-02-01 |
KR20080032217A (ko) | 2008-04-14 |
US8984768B2 (en) | 2015-03-24 |
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