EP3414387A1 - Haushaltsgerät und verfahren zum betreiben eines haushaltsgeräts - Google Patents
Haushaltsgerät und verfahren zum betreiben eines haushaltsgerätsInfo
- Publication number
- EP3414387A1 EP3414387A1 EP16819949.5A EP16819949A EP3414387A1 EP 3414387 A1 EP3414387 A1 EP 3414387A1 EP 16819949 A EP16819949 A EP 16819949A EP 3414387 A1 EP3414387 A1 EP 3414387A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- condensate
- level
- household appliance
- tray
- designed
- 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
- 238000000034 method Methods 0.000 title claims description 26
- 238000001035 drying Methods 0.000 claims description 21
- 238000005086 pumping Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 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
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing 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
- 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
- D06F2103/38—Time, e.g. duration
-
- 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
- D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
-
- 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
- D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
-
- 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
- D06F2105/36—Condensing arrangements, e.g. control of water injection therefor
-
- 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
- D06F2105/58—Indications or alarms to the control system or to the user
-
- 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
- D06F2105/62—Stopping or disabling machine operation
-
- 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
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target 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
- 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
Definitions
- the present invention relates to a household appliance, in particular a Wäschetrock- ner, and a method for operating a household appliance, in particular for operating a clothes dryer or for monitoring a drying process of a clothes dryer.
- the filling level of a condensate collecting tank is monitored in order then to generate a signal as an indication for carrying out a condensate removal process when a fill level threshold value is exceeded.
- this information alone may not be sufficient to allow further safe operation without interrupting the drying process.
- a domestic appliance in particular a tumble dryer
- a method for operating a domestic appliance in particular a tumble dryer
- This object is achieved by a household appliance and by a method according to respective independent claim. Further developments of the invention and optional features will be apparent from the dependent claims and the description and the figures of the accompanying drawing. Developments of the household appliance correspond, unless excluded for technical reasons, developments of the method and vice versa, and this even if it is not explicitly stated herein.
- a domestic appliance in particular a tumble dryer, comprises a condensate collecting tank and a condensate tray and a control device which is designed to detect a filling level of the condensate collecting tank and / or the condensate tray, wherein the control unit comprises at least one comparison value and wherein the control device is designed to control the or to compare the levels with the at least one comparison value, and wherein the control device is designed on reaching, exceeding or falling below the at least one comparison value to output a discharge time window for the condensate collector.
- the household appliance is preferably a laundry treatment appliance.
- the laundry treatment device is z. B. a tumble dryer, for example, an exhaust air dryer, a condensation dryer or a heat pump dryer.
- the household appliance may also be a combination device, which combines a washing machine function and a dryer function in itself.
- the household appliance is a device in which condensation occurs.
- the condensate pan and the condensate collection are provided for collecting the condensate.
- the condensate tray represents a first collecting vessel, which is permanently installed in the household appliance and which serves the direct / first recording of the condensate.
- the condensate tray is suitably fluidly connected to the condensate collecting tank, wherein according to a preferred embodiment, the household appliance comprises a pump which is designed to pump the condensate from the condensate tray to the condensate collecting tank.
- the condensate tray is expediently arranged in a lower part of the domestic appliance, for example below the rotating drum of the dryer, while the condensate collecting container is arranged higher up.
- the condensate collection container is designed and arranged such that it can be removed and emptied by a user.
- the control device is expediently an electrical unit which is designed to operate the domestic appliance. According to a preferred embodiment, the control device has corresponding input and output means, via which the household appliance z. B. can be served.
- a corresponding display device is provided which is intended to display certain information to a user.
- the control device is designed to detect a level of the condensate collection tank and / or the condensate pan and to calculate on this basis the emptying time window, which indicates, so to speak, the remaining period to the condensate.
- the detected level or the detected levels are compared with a comparison value, which also represents a certain level.
- the controller may calculate the discharge time window, ie, the period of time still available to empty the condensate collector.
- the at least one comparison value is a limit level of the condensate collection tank.
- the limit level is a level that is below a maximum level of the condensate collection tank.
- several levels / water levels are preferably measured or detected. If the maximum level of the condensate collection tank is reached, this leads to the termination of the drying process (condensate drop). That is, it may happen that the drying process ends before it is terminated by the sensing of the final moisture content desired by the user. Consequently, if necessary, the desired final moisture content is not reached, which can lead to dissatisfaction with the dry result.
- the emptying time window now advantageously indicates the period of time within which it is still possible to "react.”
- the limit level is about 50% to 90%, preferably about 60% to 80% of the maximum fill level of the condensate collection container.
- the control device is designed to transmit the emptying time window to a user or to send.
- the control device advantageously comprises a display device or the like.
- the household appliance or its control device comprises an extended user interface, preferably a mobile terminal.
- the display can be extended with a down-counting clock to clarify when the possibility of avoiding the delayed error event ends.
- the down-counting clock corresponds to the emptying time window, ie the period is available until a maximum level of the condensate collection tank is reached.
- the control device comprises a switching level, which is a filling level of the condensate tray, wherein the control unit is designed to control the pump when the switching level is reached or exceeded.
- This designation is called “event-controlled.”
- Event-controlled means that the pump triggers at a certain amount of water, the switching level, so that in the case of "event-driven" pumps, the condensate pump generally operates only when a certain predetermined amount of water is available a predetermined constant capacity works. If the specified amount of water is exceeded, the pump is switched off.
- the control device is parameterized such that, after the emptying time window has expired, pumping is again carried out and it is checked whether the pumping cycle was successful.
- the switching level which represents a level of the condensate tray, for example in a range of about 50% to 90% below a maximum level of the condensate tray, suitably in a range of about 60% to 80%.
- the pump can also be timed. Time-controlled in this case means a control based on predetermined time values z. B. in the program sequence of the household appliance / tumble dryer.
- the at least one comparison value may be a minimum fill level of the condensate tray. From the condensate tray, if this one specific Level has reached (see switching level), pumped via a pump, the collected or accumulated condensate in the condensate collection tank, which is usually located above the condensate tray.
- the controller is adapted to recognize if the pumping process was successful. The level is evaluated at a specified time after the pumping cycle. If there is no water, the pumping cycle is considered successful. Otherwise, the cycle was unsuccessful and, for example, the system sends a corresponding error or initiates appropriate measures.
- the emptying time window can now be started.
- the condensate tray in particular based on a minimum level of the condensate tray, issued a discharge time window for the condensate collection or started.
- the minimum level is to be understood as meaning that it is checked whether the condensate tray z. B. is empty. Thus, the conclusion can be drawn whether the pumping cycle was successful.
- control device comprises a timer, which is designed to control the pump after the emptying time window.
- the timing circuit thus makes it possible to check whether the pumping cycle was successful.
- the household appliance comprises a first measuring device, which is designed to detect the fill level of the condensate collecting container, wherein the first measuring device expediently comprises at least two electrodes, which are arranged in the condensate collecting container along a vertical axis at a distance from one another.
- the measuring device determines the conductance between two electrodes. In the case of two water levels, three electrodes suffice.
- the first measuring device can also be a continuous measuring system which operates with at least two threshold values.
- the use of two reed contacts with a float magnet can also be used.
- the household appliance also includes a second measuring device, which is designed to include the level of the condensate tray. Again, the above possibilities for the realization of the measurement apply.
- the invention also provides a method for operating a domestic appliance, in particular for monitoring a drying process of a tumble dryer, the household appliance having a condensate collecting tank and a condensate tray, comprising the steps:
- the minimum length of the emptying time window results from the vertical distance of the measuring points and the maximum condensation speed of the dryer.
- This design has other advantages that can be used in device operation.
- One advantage is the separation of the event-driven pumping element from the security element, which initiates fault management.
- Another advantage is the measurement of the condensation rate. Since the volume between the two measuring points is known, the condensation rate can be calculated over the time between reaching the two water levels. This parameter is dependent on the time within the drying and can be used to harden the identification of the drying phase. Thus, the condensation rate in the so-called plateau phase is constant. Before and after, however, it assumes lower values.
- the method further comprises the step:
- the transmission can take place, for example, via a display device of the control device, or via an extended user interface, for example in the form of an app.
- the method further comprises the step:
- the two existing storage volumes are used as best as possible. If the condensate collection tank is full, this does not yet have to lead to condensation, as the volume of the condensate tray can still be completely exhausted. Only when both levels have reached their maximum value, the operation of the household appliance, in this case in particular the drying process of the clothes dryer, ended.
- the emptying time window which refers to the still remaining volume of the condensate collection container still available, can therefore be extended by the volume of the condensate tray, whereby the termination of the drying process can be further delayed.
- the method further comprises the step:
- a residual maturity is calculated in advance.
- This precalculation is expediently based on the condensation rate mentioned.
- the end of the drying process can expediently be related to the emptying time window or to the length of the emptying time window. If the emptying time window is longer than the period until the end of the drying process or the remaining running time, it is expediently also possible for this information to be transmitted to a user. The user then knows that, at least after the end of the drying process, he should empty the condensate collector, but he also knows that there is no need to do it during operation.
- the method further comprises the steps: - Pumping condensate from the condensate pan to the condensate collector, when a switching level in the condensate pan is reached or exceeded;
- the method expediently comprises the step:
- Figure 1 is a sectional view of a tumble dryer.
- Fig. 1 shows in a sectional view an embodiment of a household appliance 10, in particular a tumble dryer. Shown in the embodiment shown here is a sectional view through a condensation dryer, this embodiment being only an example.
- the dryer 10 comprises in its upper region a controller 30, which comprises an operating unit or input / output means 32 and a display device 34.
- the display device 34 may be formed optically and / or acoustically.
- the controller is also designed to provide an enhanced user interface in the form of a mobile application such. For example, to include an app.
- the dryer 10 comprises a rotatably mounted drum 12, which can be filled via a door 16. Process air heated by a heater 68 can flow through a process air channel 14 and through the drum 12.
- the arrangements tion of an evaporator 62, a condenser 64, a pump 66 and a compressor 70 are basically known from the prior art.
- the focus is on the condensate tray 40, which is connected via a line 22 to a condensate collecting tank 20 arranged above it. Liquid or condensate can be transported from the condensate tray 40 to the condensate collecting tank 20 via a pump 60.
- the condensate collector 20 is suitably designed to be interchangeable, so that it can be emptied by a user if necessary.
- the condensate collecting tank 20 is also arranged in an upper region, for example above the drum 12, for example on a plane or in the region of the control device 30.
- the control device is now preferably via first and second measuring devices (not shown here) designed to detect the levels of the condensate pan 40 and the condensate collection tank 20.
- a limit level G in the condensate collection container 20 is indicated in which a discharge time window is started or output. This limit fill level G is below a maximum fill level M at which the condensate collection container 20 should be emptied, at least when the condensate pan 40 is completely filled.
- a switching level S is indicated, which represents a level of the condensate pan 40, when it reaches or exceeds the pump 60 is driven to transport condensate from the condensate pan 40 to the condensate collection tank 20.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Washing And Drying Of Tableware (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16819949T PL3414387T3 (pl) | 2016-02-12 | 2016-12-29 | Urządzenie gospodarstwa domowego i sposób eksploatacji urządzenia gospodarstwa domowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016202114.1A DE102016202114A1 (de) | 2016-02-12 | 2016-02-12 | Haushaltsgerät und Verfahren zum Betreiben eines Haushaltsgeräts |
PCT/EP2016/082811 WO2017137137A1 (de) | 2016-02-12 | 2016-12-29 | Haushaltsgerät und verfahren zum betreiben eines haushaltsgeräts |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3414387A1 true EP3414387A1 (de) | 2018-12-19 |
EP3414387B1 EP3414387B1 (de) | 2020-10-28 |
Family
ID=57681605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16819949.5A Active EP3414387B1 (de) | 2016-02-12 | 2016-12-29 | Haushaltsgerät und verfahren zum betreiben eines haushaltsgeräts |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3414387B1 (de) |
CN (1) | CN108699758B (de) |
DE (1) | DE102016202114A1 (de) |
PL (2) | PL3414387T3 (de) |
WO (1) | WO2017137137A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL3775359T3 (pl) * | 2018-04-02 | 2024-01-15 | Arçelik Anonim Sirketi | Suszarka do ubrań z pompą ciepła |
CN110820286A (zh) * | 2018-07-23 | 2020-02-21 | 青岛海尔滚筒洗衣机有限公司 | 一种防溢水方法及干衣机 |
DE102020111031A1 (de) | 2020-04-23 | 2021-08-05 | Miele & Cie. Kg | Gargerät zum Zubereiten von Speisen und Verfahren zum Betreiben eines solchen Gargerätes |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2933513C2 (de) * | 1979-08-18 | 1985-08-08 | Miele & Cie GmbH & Co, 4830 Gütersloh | Wäschetrockner mit Kondensationseinrichtung |
DE602004029438D1 (de) * | 2003-12-22 | 2010-11-18 | Lg Electronics Inc | Kondenswassersammelbehälter eines Trockners |
CN1724796A (zh) * | 2004-07-19 | 2006-01-25 | 乐金电子(天津)电器有限公司 | 冷凝式衣类干燥机及其满水位检测湿度检测方法 |
DE102007062863A1 (de) | 2007-12-21 | 2009-06-25 | Heidelberger Druckmaschinen Ag | Einrichtung zum Verspannen von Wellen |
DE102007062836A1 (de) * | 2007-12-27 | 2009-07-02 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Entsorgen eines Kondensats in einem Hausgerät zur Pflege von Wäschestücken |
EP2666902A1 (de) * | 2012-05-22 | 2013-11-27 | Electrolux Home Products Corporation N.V. | Wäschetrockner und Betriebsverfahren für einen Wäschetrockner |
US9593685B2 (en) * | 2013-05-28 | 2017-03-14 | Askoll Holding S.r.l., a socio unico | Method for collecting condensate inside an apparatus, apparatus equipped with a condensate collection system and motor-pump assembly intended for a condensate collection system |
WO2015082011A1 (en) * | 2013-12-05 | 2015-06-11 | Electrolux Appliances Aktiebolag | A method for controlling a laundry drying machine of the type comprising a heat pump system and a corresponding laundry drying machine |
DE102014204299A1 (de) * | 2014-03-10 | 2015-09-10 | BSH Bosch und Siemens Hausgeräte GmbH | Trockner mit Flusendepot und adaptiver Erkennung des Flusendepot-Befüllungsgrades sowie Verfahren zu dessen Betrieb |
CN105157358A (zh) * | 2015-09-15 | 2015-12-16 | 山东天力干燥股份有限公司 | 一种节能型真空干燥工艺及系统 |
-
2016
- 2016-02-12 DE DE102016202114.1A patent/DE102016202114A1/de not_active Withdrawn
- 2016-12-29 CN CN201680081699.6A patent/CN108699758B/zh active Active
- 2016-12-29 PL PL16819949T patent/PL3414387T3/pl unknown
- 2016-12-29 EP EP16819949.5A patent/EP3414387B1/de active Active
- 2016-12-29 WO PCT/EP2016/082811 patent/WO2017137137A1/de active Application Filing
-
2017
- 2017-02-10 PL PL420494A patent/PL230853B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
CN108699758B (zh) | 2020-09-11 |
CN108699758A (zh) | 2018-10-23 |
PL3414387T3 (pl) | 2021-04-19 |
PL230853B1 (pl) | 2018-12-31 |
EP3414387B1 (de) | 2020-10-28 |
WO2017137137A1 (de) | 2017-08-17 |
PL420494A1 (pl) | 2017-08-16 |
DE102016202114A1 (de) | 2017-08-17 |
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