EP2439329A1 - Lave-sèche-linge doté d'une unité de séchage - Google Patents
Lave-sèche-linge doté d'une unité de séchage Download PDFInfo
- Publication number
- EP2439329A1 EP2439329A1 EP10401174A EP10401174A EP2439329A1 EP 2439329 A1 EP2439329 A1 EP 2439329A1 EP 10401174 A EP10401174 A EP 10401174A EP 10401174 A EP10401174 A EP 10401174A EP 2439329 A1 EP2439329 A1 EP 2439329A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- process air
- drying
- air
- channel
- washing
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 132
- 239000002274 desiccant Substances 0.000 claims abstract description 57
- 238000005406 washing Methods 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000009833 condensation Methods 0.000 claims abstract description 30
- 230000005494 condensation Effects 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000003795 desorption Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000013505 freshwater Substances 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 6
- 230000000274 adsorptive effect Effects 0.000 claims abstract description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 3
- 239000011707 mineral Substances 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 239000010457 zeolite Substances 0.000 claims abstract description 3
- 239000002918 waste heat Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005201 scrubbing Methods 0.000 claims 1
- 230000037237 body shape Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000003599 detergent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- D06F58/24—Condensing arrangements
Definitions
- the invention relates to a washer-dryer with a tub for holding washing liquid, in which a driven by a motor drum is rotatably mounted, and with a drying device with a process air duct for providing process air for drying the laundry, a blower for generating the process air, an air Heating register and a condensation channel into which fresh water can be sprayed to extract moisture from the process air by condensation.
- a laundry dryer comprises a process air channel which extends from the tub into the front drum area, comprises a fan, a heating device and a condensation device.
- the fan generates a process air stream, which is heated through the interior of the drum, wherein the moisture from the laundry enters the process air.
- a tumble dryer is known in which the process air is dehumidified with a desiccant.
- a complex channel and flap arrangement is necessary to carry out the adsorption process for dehumidifying the process air and the desorption process for dehumidifying the drying agent. Further, it has become shown that a significant proportion of the heat energy supplied during the desorption process must be led out of the device as heat loss, since moist air can not be used here.
- the invention is therefore based on the object to provide a washer-dryer, in which the energy consumption is reduced or the effectiveness of the operation is improved.
- the essential advantage of the method according to the invention is that the energy balance is improved in a simple manner in a combined washing-drying cycle or alone drying cycle.
- the process air duct comprises a desiccant unit provided with adsorptive drying means, through which the process air can flow.
- the process air flows through the desiccant unit so that the desiccant removes or binds moisture out of the process air that has previously passed through the interior of the drum.
- the moisture bound therefrom was removed from the drying agent by heating.
- the waste heat is used here to heat the laundry in the drum during the washing phase, so that no or very little waste heat is dissipated unused into the environment.
- the properties of the drying agent can thus be used optimally in the operation of a washer dryer.
- the desiccant consists of zeolites in granulated or pebble form with a particle size in the range from about 1 to 6 mm in diameter. This can be incorporated in a desiccant unit of almost any shape and is safe to operate.
- the desiccant consists of an open-pored, mineral or ceramic material in granulated form or pebble-shaped with a particle size in the range of about 1 to 6 mm in diameter.
- open-pore plastic material in granular or pebble-shaped with a particle size in the range of about 1 to 6 mm in diameter can be used.
- a mixture of the respective materials for tuning the properties is also possible.
- a monolithic, open-pore shaped body can also be used.
- the washer-dryer in the process air duct has an additional, separately controllable air-heating coil for heating the drying agent for
- the supply of heat to the drying agent can be controlled.
- the desiccant unit is arranged in a bypass air duct formed as a bypass of the process air duct, wherein by means of closure devices at least a portion of the process air flow can be made accessible by the desiccant unit.
- the drying process can be continued in a conventional manner, if after a portion of the drying phase, the drying agent is saturated with moisture.
- the washer-dryer comprises an additional separate secondary air duct functioning as a process air duct, from which a first end opens into the tub or at the lower end of the condensation duct and a second end in the front drum compartment, and the auxiliary air duct is provided with a fan for providing the Process air stream and the heating coil Provide a desorption process to remove moisture from the desiccant.
- a portion of the process air in the secondary air duct can be generated by means there existing, during the washing phase in the secondary air duct, a hot air flow is generated in the opposite direction to the drying agent heat to dissipate the moisture bound in the drying agent in the tub or interior the drum. The moist, hot air is thus used in the desorption process for the washing process for heating the washing liquid.
- the channel end opening into the suds container or into the condensation channel is provided with a device for preventing water from entering the secondary air channel. This prevents that in the tub or in the condensation channel resulting liquid enters the drying unit and unnecessarily increases the moisture content of the drying agent.
- the blower is adapted to convey the process air in a first direction and also to convey the process air in the opposite direction in order to apply the desiccant with heated air to provide the desorption process.
- a single blower can be used both for the adsorption process, ie for generating the dry process air and for the desorption process, ie for applying hot air to the desiccant.
- the heating device of the drying unit is connected downstream, during the desorption process, when the air flow against the Flow direction of the process air stream flows, the heater of the drying unit is connected upstream.
- An additional fan or complex and space-consuming deflections for the process air duct or the secondary air duct are not necessary.
- the condensation channel is designed to temporarily store a portion of the washing or rinsing liquid which can be heated during the desorption process. As a result, only a portion of the washing or rinsing liquid is heated during the desorption process, wherein additionally washing or rinsing liquid can be supplied through the cooling water inlet into the condensation channel of the washing phase or rinsing phase.
- the invention further relates to a washer-dryer with a tub for holding washing liquid, in which a drum driven by a motor is rotatably mounted, and with a drying device with a fan, an air-heating coil and a process air duct for providing process air for drying the laundry, wherein the washer-dryer further comprises a flooding device.
- the process air duct comprises an adsorbent desiccant drying agent unit through which process air can flow, wherein a heater is arranged to heat both the desiccant to provide the desorbing operation and those in To wash the circulating device promoted washing liquid during washing.
- control device which is adapted to turn on the heater during a washing phase and control the fan to provide the desorbing operation of the desiccant and during a drying phase the heater and fan to provide an absorption process of the desiccant.
- the invention further relates to a method for operating a washer dryer as described above, with the phases washing, rinsing, final spin and drying, in which the air - heating coil is activated to heat the process air, wherein in the washing phase or the rinsing phase, the drying agent for providing the Heat is applied to the desorption process and, during the drying phase, the desiccant is supplied with process air which releases moisture to the previously heated and dehumidified desiccant in order to dehumidify the process air.
- the waste heat of the heat supplied for the desorption process is introduced into the tub for heating the washing liquid. This will dry the drying agent released waste heat is not lost, but is used for the washing process during the washing phase.
- Fig. 1 is a purely schematic representation of a washer-dryer 1, shown with a tub 2.
- the position and direction information refer to the operational installation position of the washer dryer 1.
- Drum 3 is arranged, which moves the items located in the tub 2 or drum 8 pieces.
- the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding and stored in proper installation position of the washer-dryer 1 in a horizontal or inclined axis.
- the housing 4 has a loading opening 18, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
- the loading opening 10 can be closed by means of the door 5.
- the washing liquid which is needed for cleaning or treating the laundry 8.
- a radiator 7 is arranged in the lower region of the tub 2.
- Machine 1 is an inlet valve 15 outlines that controls the entry of water from the supply network.
- the connecting tube 14 comprises a closure device or a siphon so that no process air can escape during drying.
- a drain device 12 is arranged below the tub 2, which brings out the spent washing liquid or the rinse water 7 from the tub 2 to the drain line 12a, which usually opens into a sewer.
- the control device 17 controls the water inlet 15, the activity of the discharge device 10, the drive motor 13 and the radiator 7.
- the control device 17 is in this case connected to an operating and display device 17a, which serves for program and parameter setting.
- the washer-dryer also has a drying device a process air duct 18, which directs the process air PL in the drum 3.
- the process air is conveyed by means of a blower 19 and heated by means of an air heater 21.
- the process air is sucked out of the tub 2 via the condensation channel 16, in this channel 16 by means of the inlet valve 15a cooling water is introduced, whereby the moist air condenses and the condensate is discharged together with the cooling water from the tub 2 by means of the drain device 12 ,
- a drying unit 20 is arranged, is held in the desiccant 20 a substantially stationary.
- the drying unit is arranged and designed such that at least a portion of the process air PL can flow therethrough to react with the desiccant 20a.
- an adsorption process takes place, wherein the moisture-laden process air is dehumidified.
- the drying agent 20a absorbs moisture.
- the blower 19 is operated in the opposite direction and the auxiliary heating 21a turned on to supply heat to the drying means 20a and thereby dissipate the moisture bound in the drying agent 20a.
- the moisture-enriched, hot air is supplied to the tub 2 during the desorption process, so that a heating of the washing liquid takes place in the tub 2.
- a part of the washing or rinsing liquid can be temporarily stored in the lower region of the condensation channel 16, which is heated due to the waste heat of the heat supplied to the drying agent 20a.
- the drying unit 20 can be sealed off within the process air channel 18, so that when the drying agent 20a is saturated, the drying phase can be continued in a conventional manner, without the influence of the drying unit 20.
- the execution according to Fig. 2 differs from the embodiment described above in that the drying unit 20 is arranged in a separate secondary air channel 23.
- the secondary air channel 23 opens at its first end 25a in the lower region of the condensation channel 16 or in the tub 2, wherein a mushroom-shaped cover 24 prevents trickling water, as it arises during condensation, from entering the secondary air channel and thus into the drying unit 20.
- the other end of the secondary air channel 23 opens into the interior of the drum 3, in this example, the end 25 b protrudes into the opening region of the drum 3.
- the pipe end 25 b may alternatively open in the main channel 18.
- the secondary air duct 23 further comprises a separate fan 19a, which can produce a secondary airflow NL acting as a process air flow for the absorption process, and an airflow during the desorption process DE in the opposite direction, in which case the heater 21 a for heating the drying agent 20 a is turned on.
- the execution according to Fig. 3 differs from the first embodiment in that the drying unit 20 is arranged in the process air duct 18 so that it can be traversed by the entire process air PL.
- the blower 19 is operated during the drying phase TR such that the heating coil 21 of the drying unit 20 is connected downstream.
- the washer-dryer 1 in this embodiment has a circulation device 26, which comprises a pump 26a for pumping the washing liquid from the lower region of the tub 2 into the interior of the drum 3.
- a heater 21b is configured to directly heat the drying unit 20 by contact, and on the other hand, the heater 21b communicates with a passage portion 26b to heat the washing liquid located thereon or passing therethrough.
- the fan 19 is in this case designed so that it can only be operated in one direction, ie in the direction of the process air flow PL.
- the advantage of these embodiments is that the high temperature of about 200 to 400 ° C, which arises during the desorption process, ie when drying the drying agent or is supplied to this is not lost as waste heat, but the washing process can be supplied.
- Fig. 4 the sequence for a combined wash-drying program WTP is sketched.
- the procedure covers the washing phase WA, rinsing SP, sling SL and drying TR.
- the individual phases run one after the other.
- the middle diagram DE the activity of the radiator 21 a 21 b for heating the drying unit 20 is shown.
- T 0 usually water is introduced into the tub 2 and the drum 3 is rotated.
- the time axis T is shown here only schematically, wherein for each period between two adjacent times T a certain time can be provided, for example, 5 to 20 minutes.
- the heater 21 a 21 b is turned on to heat the drying unit 20.
- the drying of the drying agent 20a can also take place during the rinsing phase SP, so that the laundry 8 can be rinsed with warm water. These details are not shown here.
- the rinsing phase SP begins, in which the laundry is to be freed of detergent residues or dirt residues.
- the washing liquid was at the end of the washing phase WA discharged so that flushing SP fresh water is introduced into the tub 2.
- the water remaining in the laundry is ejected by means of the fast, for example, 800 to 1600 rev / min, rotating drum 3.
- the spin phase is completed and the drying phase TR begins.
- the drum 3 is reversely rotated, for example at about 25 to 60 rpm, and through which process air PL flows.
- the process air PL is passed through the drying unit 20, wherein due to the pre-dehumidified drying agent 20a, an absorption process AB takes place, in which the process air PL is dehumidified.
- the drying agent 20a is saturated with moisture, so that it can no longer extract moisture from the process air PL.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10401174A EP2439329B1 (fr) | 2010-10-08 | 2010-10-08 | Lave-sèche-linge doté d'une unité de séchage |
ES10401174T ES2403085T3 (es) | 2010-10-08 | 2010-10-08 | Lavadora-secadora con una unidad de secado |
PL10401174T PL2439329T3 (pl) | 2010-10-08 | 2010-10-08 | Suszarka do bielizny z jednostką suszącą |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10401174A EP2439329B1 (fr) | 2010-10-08 | 2010-10-08 | Lave-sèche-linge doté d'une unité de séchage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2439329A1 true EP2439329A1 (fr) | 2012-04-11 |
EP2439329B1 EP2439329B1 (fr) | 2013-03-06 |
Family
ID=43770657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10401174A Active EP2439329B1 (fr) | 2010-10-08 | 2010-10-08 | Lave-sèche-linge doté d'une unité de séchage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2439329B1 (fr) |
ES (1) | ES2403085T3 (fr) |
PL (1) | PL2439329T3 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012221830A1 (de) * | 2012-11-29 | 2014-06-05 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrockner und Verfahren zum Betreiben eines Wäschetrockners |
CN108004714A (zh) * | 2016-10-31 | 2018-05-08 | 博西华电器(江苏)有限公司 | 洗衣干衣机的控制方法 |
CN114753088A (zh) * | 2022-04-29 | 2022-07-15 | 珠海格力电器股份有限公司 | 一种衣物处理装置和洗干机 |
CN114967293A (zh) * | 2021-02-18 | 2022-08-30 | 许苍宏 | 镜头吸湿套结构 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015107033B4 (de) | 2015-05-06 | 2017-11-23 | Miele & Cie. Kg | Waschtrockner und Verfahren zum Betreiben eines Waschtrockners |
DE102015107051B4 (de) | 2015-05-06 | 2017-10-12 | Miele & Cie. Kg | Waschtrockner und Verfahren zum Betreiben eines Waschtrockners |
DE102015107036A1 (de) | 2015-05-06 | 2016-11-10 | Miele & Cie. Kg | Waschtrockner und Verfahren zum Betreiben eines Waschtrockners |
DE102015107063A1 (de) | 2015-05-06 | 2016-11-10 | Miele & Cie. Kg | Waschtrockner und Verfahren zum Betreiben eines Waschtrockners |
DE102016107887A1 (de) | 2016-04-28 | 2017-11-02 | Miele & Cie. Kg | Waschtrockner und Verfahren zum Betreiben eines Waschtrockners |
DE102016107884A1 (de) | 2016-04-28 | 2017-11-02 | Miele & Cie. Kg | Waschtrockner und Verfahren zum Betreiben eines Waschtrockners |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3626887A1 (de) * | 1986-08-08 | 1988-02-11 | Miele & Cie | Waeschebehandlungs- und spuelgeraet, herd o. dgl., mit einer entfeuchtungseinrichtung |
GB2284164A (en) * | 1993-11-24 | 1995-05-31 | Bosch Siemens Hausgeraete | Regeneration of hygroscopic material in a laundry drying appliance |
EP1302586A1 (fr) * | 2001-10-10 | 2003-04-16 | Electrolux Home Products Corporation N.V. | Machine combinée pour le lavage et le séchage du linge |
US20030196277A1 (en) * | 2002-04-22 | 2003-10-23 | General Electric Company | Apparatus and method for article cleaning |
US20050071929A1 (en) * | 2003-10-01 | 2005-04-07 | Vanita Mani | Integral laundry cleaning and drying system and method |
WO2010053959A2 (fr) * | 2008-11-04 | 2010-05-14 | Donaldson Company, Inc | Matériau d'adsorption d'eau personnalisé |
-
2010
- 2010-10-08 EP EP10401174A patent/EP2439329B1/fr active Active
- 2010-10-08 ES ES10401174T patent/ES2403085T3/es active Active
- 2010-10-08 PL PL10401174T patent/PL2439329T3/pl unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3626887A1 (de) * | 1986-08-08 | 1988-02-11 | Miele & Cie | Waeschebehandlungs- und spuelgeraet, herd o. dgl., mit einer entfeuchtungseinrichtung |
GB2284164A (en) * | 1993-11-24 | 1995-05-31 | Bosch Siemens Hausgeraete | Regeneration of hygroscopic material in a laundry drying appliance |
EP1302586A1 (fr) * | 2001-10-10 | 2003-04-16 | Electrolux Home Products Corporation N.V. | Machine combinée pour le lavage et le séchage du linge |
US20030196277A1 (en) * | 2002-04-22 | 2003-10-23 | General Electric Company | Apparatus and method for article cleaning |
US20050071929A1 (en) * | 2003-10-01 | 2005-04-07 | Vanita Mani | Integral laundry cleaning and drying system and method |
WO2010053959A2 (fr) * | 2008-11-04 | 2010-05-14 | Donaldson Company, Inc | Matériau d'adsorption d'eau personnalisé |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012221830A1 (de) * | 2012-11-29 | 2014-06-05 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrockner und Verfahren zum Betreiben eines Wäschetrockners |
WO2014082825A1 (fr) * | 2012-11-29 | 2014-06-05 | BSH Bosch und Siemens Hausgeräte GmbH | Sèche-linge et procédé pour faire fonctionner un sèche-linge |
CN108004714A (zh) * | 2016-10-31 | 2018-05-08 | 博西华电器(江苏)有限公司 | 洗衣干衣机的控制方法 |
CN108004714B (zh) * | 2016-10-31 | 2021-07-06 | 博西华电器(江苏)有限公司 | 洗衣干衣机的控制方法 |
CN114967293A (zh) * | 2021-02-18 | 2022-08-30 | 许苍宏 | 镜头吸湿套结构 |
CN114753088A (zh) * | 2022-04-29 | 2022-07-15 | 珠海格力电器股份有限公司 | 一种衣物处理装置和洗干机 |
CN114753088B (zh) * | 2022-04-29 | 2023-09-22 | 珠海格力电器股份有限公司 | 一种衣物处理装置和洗干机 |
Also Published As
Publication number | Publication date |
---|---|
PL2439329T3 (pl) | 2013-06-28 |
ES2403085T3 (es) | 2013-05-14 |
EP2439329B1 (fr) | 2013-03-06 |
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