EP2843125B1 - Appareil de traitement du linge et procédé pour faire fonctionner un tel appareil - Google Patents

Appareil de traitement du linge et procédé pour faire fonctionner un tel appareil Download PDF

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Publication number
EP2843125B1
EP2843125B1 EP13182327.0A EP13182327A EP2843125B1 EP 2843125 B1 EP2843125 B1 EP 2843125B1 EP 13182327 A EP13182327 A EP 13182327A EP 2843125 B1 EP2843125 B1 EP 2843125B1
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EP
European Patent Office
Prior art keywords
dry
program
cycle
filter device
operational position
Prior art date
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Application number
EP13182327.0A
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German (de)
English (en)
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EP2843125A1 (fr
Inventor
Paolo Driussi
Paolo Quattrin
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Electrolux Appliances AB
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Electrolux Appliances AB
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Priority to EP13182327.0A priority Critical patent/EP2843125B1/fr
Publication of EP2843125A1 publication Critical patent/EP2843125A1/fr
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    • 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 
    • D06F58/22—Lint collecting 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/20—Operation modes, e.g. delicate laundry washing programs, service modes or refreshment cycles
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/50—Starting machine operation, e.g. delayed start or re-start after power cut
    • 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
    • D06F2105/54—Changing between normal operation mode and special operation modes, e.g. service mode, component cleaning mode or stand-by mode
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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 invention relates to laundry treatment apparatus, in particular a laundry dryer or a washing machine having a drying function, comprising a laundry treatment chamber for treating laundry using process air, a removable filter device for filtering the process air and a detector unit for detecting the position of the filter device. Furthermore, the invention relates to a method of operating such a laundry treatment apparatus.
  • DE 10 2008 045 525 A1 discloses a heat pump laundry dryer comprising a drum for drying laundry by using heated process air and comprising a process air channel for guiding the process air from and to the laundry treatment chamber.
  • a removable air filter is disposed within the process air channel to filter the process air from lint which is exhausted from the drum.
  • the air filter is inserted in a removable manner within a filter compartment disposed close to the drum.
  • the laundry dryer also comprises a detector unit detecting the position of the air filter, i.e. detecting if the air filter is inserted in the filter compartment or not.
  • a control unit is emitting a warning signal and stopping the operation of the laundry dryer if the detector unit is detecting that the air filter is not in its inserted position. Thus, the control unit avoids operating the laundry dryer when the air filter is not inserted correctly in the filter compartment.
  • EP 2 392 723 A2 suggests a laundry dryer having a lint filter supported at the loading door.
  • the filter is mounted via magnets at the inner side of the door. During drying the drying air is passing from the drum through the filter.
  • a magnet switch is provided at the cabinet of the dryer below the operation panel. The magnet switch is operated when the loading door is closed with the filter mounted at the door.
  • a drying program is enabled under the control of a controller, only if the switch signal indicates that the filter is in its position.
  • a laundry treatment apparatus comprises a control unit controlling the operation of the laundry treatment apparatus.
  • the laundry treatment apparatus - in the following description denoted in brief "apparatus" - is in particular configured as a laundry dryer or a washing machine having a drying function (washer-dryer).
  • the apparatus has a heat pump system.
  • the apparatus is a heat pump laundry dryer or a heat pump washing machine having a drying function.
  • the heat pump system has a refrigerant loop, in which the refrigerant fluid is circulated through a first heat exchanger and a second heat exchanger.
  • a compressor circulates the refrigerant fluid through the refrigerant loop and preferably a cooling fan unit is arranged for cooling the compressor.
  • the apparatus may be an exhaust-type dryer or washer-dryer or a closed-process air loop (condensate dryer or washer-dryer.
  • the apparatus comprises a cabinet and a laundry treatment chamber for treating laundry using process air.
  • the process air is guided within a process air channel arranged within the housing or cabinet of the apparatus.
  • the apparatus also comprises a removable filter device for filtering the process air from lint, fluff, particles or the like.
  • the filter device is removable from an operational position within the cabinet to be cleaned by a user (fluff removal).
  • a filter compartment is arranged within the cabinet for receiving the filter device. When the filter device is properly inserted in the filter compartment, then the filter device is in its operational position.
  • the apparatus comprises a detector unit for detecting the filter device being either in its operational position or in a removed non-operational position.
  • the process air channel may be provided such as to guide the process air from the outlet of the laundry treatment chamber to the inlet of the laundry treatment chamber to form a closed process air loop or circuit.
  • the process air coming from the laundry treatment chamber is first cooled for dehumidifying and then heated before entering the laundry treatment chamber again.
  • Cooling can be made by a heat exchanger which is cooled by flowing cooling air from the outside of the apparatus cabinet therethrough or by a refrigerant if the apparatus comprises a heat pump system.
  • Heating of the process air can be made, by an electrical heater (resistor heater) and alternatively or additionally - if a heat pump is used - by a heat exchanger transferring heat to the process air.
  • the filter device is arranged upstream the process air cooling device (e.g. heat exchanger for cooling), preferably between the process air outlet of the laundry treatment chamber and the inlet of the heat exchanger.
  • the process air cooling device e.g. heat exchanger for cooling
  • the process air channel may be provided as exhaust type process air channel in which a first portion of the channel guides the drying air coming from the ambient outside the apparatus cabinet over a heater to the inlet of the laundry treatment chamber. And a second portion of the channel guides the process air from the process air outlet of the laundry treatment chamber through the filtering device to the outside of the apparatus cabinet.
  • the removable filter device is arranged in an outlet section of the process air channel which is guiding the process air downstream the outlet of the laundry treatment chamber.
  • the filter compartment is or is partially arranged in the process air channel or is forming part of the process air channel.
  • a signal is applied or generated from the detector unit and supplied to the control unit to indicate the non-operational position and the operational position depending on the signal.
  • the operational position is an inserted position where the filter device is properly inserted in the filter compartment.
  • the non-operational position is a non-inserted position where the filter device is not or not properly positioned in the operational position.
  • the operation of the apparatus comprises at least the following method features: a laundry treatment program is started, and after starting the program the position of the filter device is detected. In case of detecting the non-operational position of the filter device during execution of the program, a suspension of the program or of the presently executed subroutine is delayed by a predetermined time period.
  • a user can start a program even if the filter device is not in its operational position.
  • the program or subroutine will be suspended only after the operational position is not achieved within the predetermined time period. Consequently, a user can remove the filter device and re-insert it within the predetermined time period without any disturbance with regard to the executing program or subroutine.
  • the apparatus has a heat pump system it is possible to avoid any stop of this heat pump system if the filter device was disposed again in its operational position within the predetermined time period.
  • the described concept of time delay is applied to those operations where air filtering is basically required (e.g. drying programs).
  • the method provides a time delay allowing the user to (re-)insert the filter device without any interruption of the operation.
  • the term "suspension” can have the meaning of stopping completely or pausing the currently executed program or subroutine.
  • subroutine means preferably a part of the executed program, e.g. the drying cycle or the washing cycle within a washing and drying program.
  • the operation control is able to restrict a possible suspension to those programs or subroutines where air filtering is required (e.g. drying program or drying cycle within a washing and drying program).
  • this program/subroutine can be made continuously despite a detected non-operational position of the filter device, thus enhancing the operation efficiency of the apparatus.
  • any other program or subroutine without the need of air filtering e.g. washing program or washing cycle within a washing and drying program
  • any other program or subroutine without the need of air filtering is executed continuously regardless of a detected non-operational position of the filter device during such program/subroutine execution.
  • control unit is adapted to control execution of a plurality of user-selectable programs or a plurality of subroutines within a program.
  • the method of operating the apparatus comprises preferably the following features in case of detecting the non-operational position of the filter device before starting the program:
  • This preferred operation control can be easily made by considering a signal indicating the position of the filter device before starting the selected program.
  • the operation concept according to the invention comprises at least the following method features to achieve an efficient operating performance: a laundry treatment program is started, and after starting the program the position of the filter device is detected. In case of detecting the non-operational position of the filter device during execution of the program, a suspension of the program or of the presently executed subroutine is delayed by a predetermined time period.
  • control unit is adapted to control the execution of a plurality of user-selectable programs or a plurality of subroutines within a (laundry treatment) program, wherein the operation of the apparatus comprises in case of detecting the non-operational position of the filter device at least the following method features:
  • group means that the group has at least one member, i.e. at least one program and/or subroutine.
  • This alternative operation concept is advantageously provided in a laundry treatment apparatus where in at least one program and/or subroutine no drying or no intensive drying is required (e.g. washing program/subroutine in a washer-dryer or business refreshing program/subroutine). Since such programs/subroutines do not require drying, a position signal indicating the non-operational position of the filter device can be ignored by the control unit such that these programs/subroutines can be continuously executed. For example, a washing program without drying function can be executed continuously regardless of a detected non-operational position of the filter device. Similarly, a washing subroutine within a washing and drying program can be executed continuously until the drying subroutine is provided to start. Thus, unnecessary suspensions of the apparatus operation can be avoided which supports the overall efficiency of the apparatus. Particularly, in case the apparatus has a heat pump system it is possible to avoid any unnecessary stop of this heat pump.
  • a position signal can be applied or generated from the detector unit and supplied to the control unit to indicate the non-operational position and the operational position depending on the signal.
  • the operational position is an inserted position where the filter device is properly inserted in the filter compartment.
  • the non-operational position is a non-inserted position where the filter device is not or not properly positioned in the operational position.
  • the suspension of the program or of the presently executed subroutine is delayed by a predetermined time period in case of detecting the non-operational position of the filter device during execution of the program. Considering this time delay the current program or subroutine is able to be executed without any suspension or interruption despite a non-operational position of the filter device. This continued or non-interrupted execution of a program or subroutine only requires that the filter device is re-inserted into its operational position within the predetermined time period. Thus, unnecessary suspensions of the apparatus operation even within programs/subroutines requiring basically air filtering can be avoided which supports the overall efficiency of the apparatus. The program or subroutine will be suspended only after the operational position is not achieved within the predetermined time period.
  • a user can remove the filter device and re-insert it within the predetermined time period without any disturbance with regard to the executing program or subroutine.
  • the apparatus has a heat pump system it is possible to avoid any stop of this heat pump system if the filter device was disposed again in its operational position within the predetermined time period.
  • the suspension of the program or of the presently executed subroutine of the program is delayed by the predetermined time period if the following two conditions apply:
  • the operation control is able to restrict a possible suspension to those programs or subroutines where air filtering is required (e.g. drying program or drying cycle within a washing and drying program). If air filtering is not required during operation of an executed program/subroutine then this program/subroutine can be made continuously despite a detected non-operational position of the filter device, thus enhancing the operation efficiency of the apparatus.
  • air filtering e.g. drying program or drying cycle within a washing and drying program.
  • Starting or executing in this regard means that the program or subroutine can be started or executed without suspension and/or without delayed suspension. Examples for these programs or subroutines are:
  • At least one laundry treatment program is composed of at least two subroutines, wherein
  • said program has preferably a wash subroutine and a dry subroutine, wherein the wash subroutine can be executed regardless of the operational position of the filter device and the dry subroutine will be executed/suspended depending on the detected position of the filter device.
  • the non-operational position of the filter device is detected and when after expiry of the predetermined time period the non-operational position of the filter device is detected again or is furthermore detected, the program or subroutine is suspended and the operation mode of the laundry treatment apparatus is changed to another operation mode.
  • the operation mode "execution of a selected program/subroutine” is suspended and particularly changed to the operation mode "PAUSE" or "STOP".
  • the method further comprises at least one of the following operation steps:
  • the method is operating such that the remaining time to the end of an executed program or subroutine is determined. If the determined time to the end is less than a predetermined final time, the suspension is suppressed and the program or subroutine is continued until the end of the current program/subroutine.
  • the performance efficiency of the apparatus is additionally enhanced in case of relative small remaining operation times to the end of an executed program/subroutine if the non-operational position of the filter device is detected within this remaining time.
  • a program selection e.g. a drying cycle
  • a program start command is detected or received.
  • the start command is ignored if the filter device is in the non-operational position.
  • the start command is ignored if the filter device is in the non-operational position and the selected program requires the filter device being in the operational position. Since the start command is usually executed by the
  • Said user-optimized advice by ignoring a start command is preferably still enhanced by starting the selected program after commanding the program start at least one time more, i.e. a second time or further time.
  • the user in case of detecting the non-operational position of the filter device the user will be provided with a user information signal.
  • the user it is very facile for the user to arrange the operational position of the filter device in due time, e.g. within the predetermined time period.
  • the user information signal comprises at least one of the following signals: A light signal, an acoustic signal, a display signal.
  • the user information signal is emitted via a display device or display unit arranged at the front of the apparatus cabinet.
  • the method is providing at least two different levels of a user information signal, i.e. the profile of the user information signal is different depending on status or operation mode of the concerned program.
  • the method provides
  • the first level user information signal can be an optical signal (e.g. yellow) and/or a smooth acoustic signal whereas the second level user information signal is an annoying optical signal (e.g. red) and/or an annoying acoustic signal.
  • the detector unit comprises preferably a sensor operated by moving the filter device.
  • the sensor comprises a switch which can be easily controlled by moving the filter device.
  • the switch is configured as a space-saving micro switch. Controlling the sensor can be easily done by disposing the sensor at the filter compartment.
  • the value of the predetermined time period for delaying the suspension is different depending on specific conditions or features. Particularly, this value depends on one or more of the following features:
  • Fig. 1 shows a schematically depicted laundry treatment apparatus 2 which in this embodiment is a heat pump washer dryer.
  • the apparatus 2 comprises a cabinet 3 and a heat pump system 4, including a closed refrigerant loop 6 which comprises in the following order of refrigerant flow B: a first heat exchanger 10 acting as evaporator for evaporating the refrigerant and cooling process air, a compressor 14, a second heat exchanger 12 acting as condenser for cooling the refrigerant and heating the process air, and an expansion device 16 from where the refrigerant is returned to the first heat exchanger 10.
  • the heat pump system forms the refrigerant loop 6 through which the refrigerant is circulated by the compressor 14 as indicated by dashed circular flow B.
  • the process air flow within the treatment apparatus 2 is guided through a compartment of the home appliance 2 for receiving articles to be treated, e.g. a drum 18.
  • the articles to be treated are textiles, laundry 19, clothes, shoes or the like.
  • the drum 18 is surrounded by a tub 17 in which the drum is rotatably mounted.
  • a drain pump 36 is in fluid connection with the sump 30 and is activated when the wash water or condensate is to be drained to the outside of the apparatus cabinet 2.
  • the condensate formed at the first heat exchanger 10 is guided from the heat exchanger 10 via a drain pipe 46 to the sump 30.
  • the process air flow is indicated by arrows A in Fig. 1 and is driven by a process air blower 8.
  • the process air channel 20 guides the process air flow A outside the drum 18 and includes different sections, including the section forming the battery channel 20a in which the first and second heat exchangers 10, 12 are arranged.
  • the process air exiting the second heat exchanger 12 flows into a rear channel 20b in which the process air blower 8 is arranged.
  • the air conveyed by blower 8 is guided downward in a descending channel 20c to the backside of the drum 18.
  • the process air is filtered from lint, fluff and other particles by a filter device 66 (see details in Figs. 2 to 6 ).
  • the filter device 66 is disposed in the cabinet 3 such that the filter device can be accessed from outside without opening a door closing the drum 18.
  • a control unit 51 is disposed in the cabinet 3 of the apparatus 2 to control several parts and particularly to control and monitor the overall operation of the apparatus 2.
  • the control unit 51 receives signals from a detector unit 54 comprising a sensor 55.
  • the sensor 55 is operated by moving the removable filter device 66 between an operational position and a non-operational position. In the operational position, the filter device 66 is properly inserted in a filter compartment arranged within the cabinet 3. In the non-operational position, the filter device is removed from the operational position.
  • the detector unit 54 is able to detect the filter device being in the operational position or in the non-operational position and to send corresponding signals to the control unit 51.
  • Fig. 2 shows the opened top section 58 of the apparatus 2 shown here in more detail and with the heat pump system 4 removed.
  • This top section 58 is part of a washer-dryer having a washing and drying function. Several parts of this washer-dryer are not shown explicitly but have the same function as described above in relation to Fig. 1 .
  • the top section 58 is assembled with the other parts of the cabinet 3 (not shown in Fig. 2 ) and comprises a front top panel 60 having a display 62 for user information and an input section 64 wherein here the details of the input section 64 are not shown (like indicators, switches, buttons, turning switch etc.).
  • the front top panel 60 frames the casing of a filter device 66 which can be properly inserted in a filter compartment 68 to achieve its operational position ( Fig. 4 ).
  • Fig. 2 , Fig. 3 and Fig. 4 show an example for moving the filter device 66 between the non-operational position ( Fig. 2 , Fig. 3 ) and the operational position ( Fig. 4 ).
  • the filter device 66 is properly inserted in the filter compartment 68. This means that the detector unit 54 is detecting the operational position of the filter device 66.
  • a press-button 70 can be actuated, i.e. pressed, by a user.
  • This press-button is arranged at or next to a filter handle 72 in the front section of the filter device 66. Pressing the press-button 70 causes an unlocking of locking means 74.
  • guiding means 76 are disposed in a casing recess 77 at the casing of the filter device 66 ( Fig. 5, Fig. 6 ).
  • the guiding means 76 comprise a compression spring 78 which is in a pre-loaded state during the operational position of the filter device 66 ( Fig. 4 ).
  • the filter device 66 can be moved by the filter handle 72 along the moving direction 79 to the operational position according to Fig. 4 , where the locking means 74 are transferred automatically into the locking state thereby locking the filter device 66 in the operational state.
  • the guiding means 76 further comprise a counter bearing 80 having a thorn 82 and a carrier 84 for carrying the counter bearing 80 and the compression spring 78 ( Fig. 5, Fig. 6 ).
  • the compression spring 78 is mounted at the thorn 82 (pin) and the counter bearing 80 and the carrier 84 are movable relative to each other in order to implement the biasing of the compression spring 78 by moving the filter device 66 from the non-operational position to the operational position ( Fig. 3, Fig. 4 ).
  • the sensor 55 comprises a switch (e.g. micro switch) and is disposed at the filter compartment 68 in such a manner (not explicitly shown) that the properly inserted filter device 66 is pressing the sensor switch or keeping it permanently actuated in one state releasing the 'locked' signal. If the filter device 66 is removed from the operational position, the sensor switch is no longer pressed or actuated and releases the 'unlocked' signal. Thus, the control unit 51 always receives the switch signals corresponding to the actual position of the filter device 66.
  • a switch e.g. micro switch
  • control unit 51 for considering the detected position of the filter device 66 and for controlling the operation of the apparatus 2 in dependency of said detected position will be explained by the flow diagrams according to Fig. 7 and Fig. 8 .
  • Fig. 7 and Fig. 8 The functioning of the control unit 51 for considering the detected position of the filter device 66 and for controlling the operation of the apparatus 2 in dependency of said detected position will be explained by the flow diagrams according to Fig. 7 and Fig. 8 .
  • a washer-dryer as an embodiment of an apparatus 2 is described.
  • step S1 When the washer-dryer is operated, it is regularly monitored and verified if the filter device 66 is in the non-operational position pos_nop (step S1). If the non-operational position pos_nop is detected, the further operation of the apparatus 2 depends on several conditions.
  • step S3 If there is no running set-up subroutine (denoted as "set-up phase") for setting-up the heat pump system 4 of the apparatus 2 (verified in step S2), the control unit 51 verifies, if a drying program dry_cycle or a drying subroutine dry_sub is executed (step S3).
  • a drying program dry_cycle or a drying subroutine dry_sub is executed (step S3).
  • the control unit 51 will not intervene into the operation despite detection of the non-operational position pos_nop of the filter device 66.
  • a user information signal info_1 is provided.
  • the content of this signal info_1 is a kind of first level.
  • the user information signal is e.g. a light signal (particularly LED and/or icon symbol) and/or emission of an acoustic signal.
  • step S4 When a predetermined time period T1_pred is expired (step S4) it is verified, if the time to the end T_end of the drying program dry_cycle is less than a predetermined final time Tfin_pred (step S5). If the time T_end is not less than the predetermined final time Tfin_pred, the position of the filter device 66 is detected again (step S6) and in case of the detected non-operational position pos_nop the drying program or drying subroutine is suspended by changing its executing operation mode to the operation mode "STOP". Then, the control unit 51 is waiting for a command or action by the user.
  • the filter device 66 If the filter device 66 is detected in step 6 as being in the operational position, then the drying program or drying subroutine is not suspended. Rather, a suspension is avoided because the user has moved the filter device 66 from the non-operational position pos_nop to the operational position within the predetermined time period T1_pred. Insofar, considering the predetermined time period T1_pred allows delaying a suspension of a presently executed program or subroutine.
  • step S5 If the time T_end until the end of the drying program is less than the predetermined final time Tfin_pred (step S5), the drying program will be executed until the end of the drying program because under this time condition it is more beneficial to enhance the apparatus efficiency by a non-interrupted program than to filter the process air A. In other words, the position of the filter device 66 will not be considered, thus suppressing a suspension of the drying program even if the non-operational position of the filter device 66 is detected.
  • step S2 If the set-up subroutine/set-up phase is detected in step S2, then it is verified in the subsequent steps S7, S8, S9 which kind of program is selected by the user.
  • a verification is made whether the user has selected a program within a group of programs containing a drying program (step S7), a washing-drying program (step S8) and a washing program (step S9).
  • additional or other programs and/or subroutines e.g. business refreshing, laundry washing, spin or rinsing, deodorizing or sterilizing, anti-crease or loosening, program/subroutine not requiring a process air flow through the drum are verified if these were selected by the user.
  • step S7 If a signal prog_select indicates a drying program dry_cycle as the selected program (step S7), the control unit 51 is waiting for a start command START by the user (step S10) as can be seen along the sequel SEQ-1 in Fig. 7 and Fig. 8 .
  • a user information signal info_1 e.g. a light signal, particularly LED and/or icon symbol and an acoustic signal
  • step 11 If the user requests the start command START a second time (step 11), the drying program is started and executed.
  • a user information signal info_2 is emitted by maintaining the light signal already emitted by the signal info_1 before step 11.
  • step S12 it is verified, if the predetermined time period T2_pred for delaying a suspension of the drying program dry_cycle is expired.
  • the predetermined time period T2_pred is different as compared to the predetermined time period T1_pred in step S4 or both predetermined time period T1_pred and T2_pred are equal.
  • step 13 After expiry of the predetermined time period T2_pred in step 12 it is verified in step 13 again, if the filter device 66 is in the operational position or in the non-operational position pos_nop. If the operational position was detected, the control unit 51 is waiting for requesting a start command START (step S14) by the user to execute the drying program dry_cycle. Alternatively, the execution of the drying program is continued automatically without request of any user input like a start command, if the operational position is detected in step S14. If the non-operational position pos_nop is detected in step S13 the drying program is suspended by changing its executing operation mode to the operation mode "PAUSE". In this regard, a user information signal info_3 is emitted to inform and warn the user.
  • This signal info_3 comprises preferably a light signal (e.g. LED, icon symbol) and an acoustic signal as already mentioned with regard to the signals info_1 and info_2. Additionally, the signal info_3 comprises a verbal warning (e.g. "Check air filter presence") in the display 62.
  • the signal info_3 can be regarded as a kind of a second level user information signal having more information with a stronger warning character as compared to the first level user information signal (e.g. info_1, info_2).
  • the drying program dry_cycle is able to continue its execution - either by receiving the start command START (step S14) or automatically after detecting the operational position of the filter device 66.
  • step S15 If the signal prog_select indicates a washing-drying program wash-dry_cycle as the selected program, this program immediately starts after receiving a start command START (step S15). This is because within this program the first subroutine is a washing subroutine wash-sub which does not require air filtering. Therefore, this subroutine will be executed regardless of a detected non-operational position pos_nop of the filter device 66. However, the user will be informed and warned by emitting the user information signal info_1 (e.g. a light signal, particularly LED and/or icon symbol and an acoustic signal).
  • info_1 e.g. a light signal, particularly LED and/or icon symbol and an acoustic signal.
  • step S16 it is verified if the washing subroutine wash-sub is finished. If this is the case, a drying subroutine dry_sub is provided for execution. This execution is dependent on a verification in subsequent step S17 as can be seen along the sequel SEQ-2 in Fig. 7 and Fig. 8 .
  • step S17 If the non-operational position pos_nop is not detected in step S17 (i.e. the filter device 66 is detected being in the operational position), the drying subroutine dry_sub will be executed immediately and no command by the user is required. After that, if a non-operational position pos_nop of the filter device 66 is detected again during execution of the drying subroutine dry_sub, the further operation of the drying subroutine dry_sub occurs along the already explained steps S3 - S6.
  • step S17 the further operation for executing and suspending the drying subroutine dry_sub will occur along the already explained steps S10 - S14.
  • step S9 If the signal prog_select indicates a washing program wash-cycle as the selected program (step S9), no air filtering is required in this program and consequently this program can be executed regardless of the detected position of the filter device 66. Therefore, this washing program will be executed upon the start command START is executed by the user (step 18).
  • top section T_end time to end of program/subroutine 60 front top panel Tfin_pred predetermined final time 62 display T1_pred predetermined time period 64 input section T2_pred predetermined time period 66 filter device wash_cycle washing program 68 filter compartment wash-dry_cycle washing-drying program 70 press-button wash-sub washing subroutine 72 filter handle 74 locking means 76 guiding means

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (22)

  1. Procédé pour faire fonctionner un appareil (2) de traitement de linge, plus particulièrement un sèche-linge ou une machine à laver dotée d'une fonction de séchage, l'appareil (2) de traitement de linge comprenant :
    un caisson (3),
    une unité de commande (51) commandant le fonctionnement de l'appareil (2) de traitement de linge,
    une chambre (18) de traitement de linge destinée à traiter du linge (19) à l'aide d'air de traitement (A),
    un canal (20) d'air de traitement destiné à guider l'air de traitement (A) en provenance et en direction de la chambre (18) de traitement de linge,
    un dispositif filtre amovible (66) destiné à filtrer l'air de traitement (A), le dispositif filtre (66) étant amovible par rapport à une position fonctionnelle à l'intérieur du caisson (3),
    un compartiment (68) de filtre agencé à l'intérieur du caisson (3), destiné à recevoir le dispositif filtre (66) ; lorsque le dispositif filtre (66) est correctement introduit dans le compartiment (68) de filtre, le dispositif filtre (66) occupant sa position fonctionnelle,
    une unité de détection (54) destinée à détecter le dispositif filtre (66) occupant la position fonctionnelle ou une position non fonctionnelle (pos_nop),
    le procédé comprenant :
    le lancement d'un programme de traitement de linge (dry_cycle, wash_cycle, wash-dry_cycle),
    en cas de détection de la position non fonctionnelle (pos_nop) du dispositif filtre (66) au cours de l'exécution du programme (dry_cycle, wash-dry-cycle), le report de la suspension du programme (dry_cycle) ou de la sous-routine en cours d'exécution (dry_sub) du programme de traitement de linge d'une période de temps prédéterminée (T1_pred, T2_pred), de telle sorte que, grâce au report de la suspension, le programme ou la sous-routine en cours d'exécution du programme soit exécuté ou exécutée sans aucune suspension ou interruption en dépit de la position non fonctionnelle du dispositif filtre de manière à contribuer l'efficacité globale de l'appareil.
  2. Procédé selon la revendication 1, dans lequel la suspension du programme (dry_cycle) ou de la sous-routine en cours d'exécution (dry_sub) est reportée de la période de temps prédéterminée (T1_pred, T2_pred) si les deux conditions suivantes s'appliquent :
    la position non fonctionnelle (pos_nop) du dispositif filtre (66) au cours de l'exécution du programme (dry_cycle) est détectée, et
    additionnellement le programme exécuté (dry_cycle) ou la sous-routine en cours d'exécution (dry_sub) du programme (wash-dry_cycle) nécessite le filtrage de l'air de traitement (A) par le dispositif filtre (66).
  3. Procédé selon la revendication 1 ou 2, dans lequel la suspension du programme ou de la sous-routine en cours d'exécution du programme est reportée de la période de temps prédéterminée si es deux conditions suivantes s'appliquent :
    - la position non fonctionnelle du dispositif filtre est détectée au cours de l'exécution du programme, et
    - le programme exécuté ou la sous-routine en cours d'exécution du programme nécessite le filtrage de l'air de traitement par le dispositif filtre, et, sinon
    si le programme (wash_cycle, wash-dry_cycle) ou la sous-routine en cours d'exécution (wash_sub) ne nécessite pas le dispositif filtre (66), la poursuite du programme (wash_cycle, wash-dry_cycle) ou de la sous-routine (wash_sub) du programme en dépit d'une position non fonctionnelle détectée du dispositif filtre.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel l'unité de commande (51) est adaptée à commander l'exécution d'une pluralité de programmes sélectionnables par un utilisateur (wash_cycle, wash-dry_cycle, dry_cycle) ou d'une pluralité de sous-routines (wash_sub, dry_sub) au sein d'un programme de traitement de linge (wash-dry_cycle), et
    lequel procédé comprend en outre, préalablement au lancement du programme de traitement de linge (wash_cycle, wash-dry_cycle, dry_cycle) et en cas de détection de la position non fonctionnelle (pos_nop) du dispositif filtre (66) :
    la suspension du lancement ou la suspension de l'exécution d'au moins un des programmes sélectionnables (dry_cycle) mais le lancement ou la poursuite de l'exécution d'au moins un autre des programmes sélectionnables (wash_cycle, wash-dry_cycle), ou
    la suspension du lancement ou la suspension de l'exécution d'une sous-routine (dry_sub) d'un programme de traitement de linge (wash-dry_cycle) mais le lancement ou la poursuite de l'exécution d'au moins une autre sous-routine (wash_sub) du programme de traitement de linge (wash-dry_cycle).
  5. Procédé pour faire fonctionner un appareil (2) de traitement de linge, plus particulièrement un sèche-linge ou une machine à laver dotée d'une fonction de séchage, l'appareil (2) de traitement de linge comprenant :
    un caisson (3),
    une unité de commande (51) commandant le fonctionnement de l'appareil (2) de traitement de linge,
    une chambre (18) de traitement de linge destinée à traiter du linge (19) à l'aide d'air de traitement (A),
    un canal (20) d'air de traitement destiné à guider l'air de traitement (A) en provenance et en direction de la chambre de traitement de linge,
    un dispositif filtre amovible (66) destiné à filtrer l'air de traitement (A), le dispositif filtre (66) étant amovible par rapport à une position fonctionnelle à l'intérieur du caisson (3),
    un compartiment (68) de filtre agencé à l'intérieur du caisson (3), destiné à recevoir le dispositif filtre (66) ; lorsque le dispositif filtre (66) est correctement introduit dans le compartiment (68) de filtre, le dispositif filtre (66) occupant sa position fonctionnelle,
    une unité de détection (54) destinée à détecter le dispositif filtre (66) occupant la position fonctionnelle ou une position non fonctionnelle (pos_nop),
    l'unité de commande (51) étant adaptée à commander l'exécution d'une pluralité de programmes sélectionnables par un utilisateur (wash_cycle, wash-dry_cycle, dry_cycle) ou d'une pluralité de sous-routines (wash_sub, dry_sub) au sein d'un programme de traitement de linge (wash-dry_cycle), et
    lequel procédé comprend, en cas de détection de la position non fonctionnelle (pos_nop) du dispositif filtre (66),
    la suspension du lancement ou la suspension de l'exécution d'au moins un des programmes sélectionnables (dry_cycle) mais le lancement ou la poursuite de l'exécution d'au moins un autre des programmes sélectionnables (wash_cycle, wash-dry_cycle), ou
    la suspension du lancement ou la suspension de l'exécution d'une sous-routine (dry_sub) d'un programme de traitement de linge (wash-dry_cycle) mais le lancement ou la poursuite de l'exécution d'au moins une autre sous-routine (wash_sub) du programme de traitement de linge (wash-dry_cycle).
  6. Procédé selon la revendication 5, lequel procédé comprend en outre :
    en cas de détection de la position non fonctionnelle (pos_nop) du dispositif filtre (66) au cours de l'exécution du programme, le report de la suspension du programme (dry_cycle) ou de la sous-routine en cours d'exécution (dry_sub) du programme (wash-dry_cycle) d'une période de temps prédéterminée (T1_pred, T2_pred).
  7. Procédé selon la revendication 6, dans lequel la suspension du programme (dry_cycle) ou de la sous-routine en cours d'exécution (dry_sub) est reportée de la période de temps prédéterminée (T1_pred, T2_pred) si les deux conditions suivantes s'appliquent :
    la position non fonctionnelle (pos_nop) du dispositif filtre (66) au cours de l'exécution du programme (dry_cycle, wash-dry_cycle) est détectée, et
    additionnellement le programme exécuté (dry_cycle) ou la sous-routine en cours d'exécution (dry_sub) du programme (wash-dry_cycle) nécessite le filtrage de l'air de traitement (A) par le dispositif filtre (66).
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel un ou une ou plusieurs des programmes ou sous-routines suivants ou suivantes seront lancés ou lancées ou au moins partiellement exécutés ou exécutées indépendamment de la position non fonctionnelle (pos_nop) du dispositif filtre (66) :
    un programme ou une sous-routine de rafraîchissement de tenues professionnelles,
    un programme de lavage de linge (wash_cycle, wash-dry_cycle) ou une sous-routine de lavage de linge (wash_sub),
    un programme ou une sous-routine d'essorage ou de rinçage,
    un programme ou une sous-routine de désodorisation ou de stérilisation,
    un programme ou une sous-routine d'antifroissage ou de brassage, et
    un programme (wash_cycle) ou une sous-routine (wash_sub) ne nécessitant pas la circulation d'air de traitement (A) à travers la chambre de traitement de linge.
  9. Procédé selon l'une quelconque des revendications précédentes, dans lequel un ou une ou plusieurs des programmes ou sous-rutines suivants ou suivantes seront suspendus ou suspendues, ne seront pas lancés ou lancées ou seront poursuivis ou poursuivies pendant une période de temps prédéterminée (T1_pred, T2_pred) si la position non fonctionnelle (pos_nop) du dispositif filtrant (66) est détectée :
    un programme de séchage (dry_cycle) ou une sous-routine de séchage (dry_sub), et
    une sous-routine d'initialisation ou de mise en température destinée à initialiser ou mettre en température un système de pompe à chaleur (4) de l'appareil (2) de traitement de linge.
  10. Procédé selon l'une quelconque des revendications précédentes, dans lequel au moins un programme (2) de traitement de linge se compose de :
    au moins une sous-routine (wash_sub) ne nécessitant pas que le dispositif filtre (66) occupe la position fonctionnelle et susceptible d'être exécutée sans suspension, et
    au moins une sous-routine (dry_sub) nécessitant que le dispositif filtre (66) occupe la position fonctionnelle et qui sera suspendue ou sera suspendue après la période de temps prédéterminée (T2_pred) si le dispositif filtre (66) occupe la position non fonctionnelle (pos_nop).
  11. Procédé selon l'une quelconque des revendications précédentes, lequel procédé comprend en outre :
    lorsque la position non fonctionnelle (pos_nop) du dispositif filtre (66) est détectée et lorsque, après expiration de la période de temps prédéterminée (T1_pred, T2_pred), la position non fonctionnelle (pos_nop) du dispositif filtre (66) est à nouveau détectée ou est par ailleurs détectée, le programme (dry_cycle) ou la sous-routine (dry_sub) est suspendu ou suspendue et le mode de fonctionnement de l'appareil (2) de traitement de linge passe à un autre mode de fonctionnement (STOP, PAUSE).
  12. Procédé selon l'une quelconque des revendications précédentes, lequel procédé comprend en outre :
    la poursuite du programme (dry_cycle) ou de la sous-routine (dry_sub) après l'expiration de la période de temps prédéterminée (T1_pred, T2_pred) si la position fonctionnelle du dispositif filtre (66) est détectée, ou
    la fin de la suspension et la poursuite du programme ou de la sous-routine (dry_sub) en cas de détection, au cours de la suspension, que le dispositif filtre (66) occupe la position fonctionnelle.
  13. Procédé selon l'une quelconque des revendications précédentes, lequel procédé comprend en outre :
    la détermination du temps restant jusqu'à la fin (T_end) d'un programme (dry_cycle) ou d'une sous-routine (dry_sub), et
    si le temps restant jusqu'à la fin (T_end) est inférieur à un temps final prédéterminé (Tfin_pred), la suppression de la suspension et la poursuite du programme (dry_cycle) ou de la sous-routine (dry_sub) jusqu'à la fin du programme (dry_cycle) ou de la sous-routine (dry_sub).
  14. Procédé selon l'une quelconque des revendications précédentes, lequel procédé comprend en outre, préalablement au lancement du programme :
    la réception d'une sélection de programme (dry_cycle) et d'une commande de lancement de programme (START), et
    la non-prise en compte de la commande de lancement (START) si le dispositif filtre (66) occupe la position non fonctionnelle (pos_nop), ou la non-prise en compte de la commande de lancement (START) si le dispositif filtre (66) occupe la position non fonctionnelle (pos_nop) et le programme sélectionné (dry_cycle) nécessite que le dispositif filtre (66) occupe la position fonctionnelle.
  15. Procédé selon l'une quelconque des revendications précédentes, dans lequel, si la commande de lancement de programme (START) n'a pas été prise en compte et la commande de lancement de programme (START) a été donnée une deuxième fois ou plus, le lancement du programme sélectionné (dry_cycle).
  16. Procédé selon l'une quelconque des revendications précédentes, lequel procédé comprend en outre :
    la fourniture d'un signal d'informations utilisateur (info_l, info_2, info_3) en cas de détection de la position non fonctionnelle (pos_nop) du dispositif filtre (66).
  17. Procédé selon la revendication 16, dans lequel le signal d'informations utilisateur (info_l, info_2, info_3) comprend au moins un des signaux suivants : un signal lumineux, un signal acoustique et un signal d'affichage.
  18. Procédé selon la revendication 16 ou 17, lequel procédé comprend en outre : la fourniture du signal d'informations utilisateur (info_l, info_2, info_3)
    lors d'une requête de lancement du programme sélectionné (dry_cycle, wash-dry_cycle), ou
    lorsque la position non fonctionnelle (pos_nop) du dispositif filtre (66) est détectée au cours de l'exécution d'un programme (dry_cycle) ou d'une sous-routine (dry_sub).
  19. Procédé selon l'une quelconque des revendications précédentes, lequel procédé comprend en outre :
    la fourniture d'un signal d'informations utilisateur de premier niveau (info_l, info_2) lorsque le dispositif filtre (66) occupe la position non fonctionnelle (pos_nop) pendant l'exécution du programme (dry_cycle) ou de la sous-routine (wash_sub, dry_sub), et
    la fourniture d'un signal d'informations utilisateur de deuxième niveau (info_3) lorsque le dispositif filtre (66) occupe la position non fonctionnelle (pos_nop) et l'exécution du programme (dry_cycle) ou de la sous-routine (dry_sub) est suspendue.
  20. Procédé selon l'une quelconque des revendications précédentes, dans lequel l'unité de détection (54) comprend un capteur (55) déclenché par un mouvement du dispositif filtre (66).
  21. Procédé selon l'une quelconque des revendications précédentes, dans lequel la période de temps prédéterminée (T1_pred, T2_pred) pour le report de la suspension dépend d'au moins un des éléments suivants :
    l'exécution en cours du programme (dry_cycle) ou de la sous-routine (dry_sub),
    une option de programme sélectionnée par l'utilisateur,
    un état fonctionnel de l'appareil (2) de traitement de linge, et
    une charge de linge, une humidité de linge ou un type de linge.
  22. Appareil (2) de traitement de linge, plus particulièrement sèche-linge à pompe à chaleur ou machine à laver à pompe à chaleur dotée d'une fonction de séchage, l'appareil (2) de traitement de linge comprenant :
    une unité de commande (51) commandant le fonctionnement de l'appareil (2) de traitement de linge,
    une chambre (18) de traitement de linge destinée à traiter du linge (19) à l'aide d'air de traitement (A),
    un canal (20) d'air de traitement destiné à guider l'air de traitement (A) en provenance et en direction de la chambre de traitement de linge,
    un dispositif filtre amovible (66) destiné à filtrer l'air de traitement (A), le dispositif filtre (66) étant amovible entre une position fonctionnelle et une position non fonctionnelle (pos_nop),
    un compartiment (68) de filtre destiné à recevoir le dispositif filtre (66) dans sa position fonctionnelle, et
    une unité de détection (54) destinée à détecter le dispositif filtre (66) occupant la position fonctionnelle ou la position non fonctionnelle (pos_nop),
    l'unité de commande (51) étant adaptée à commander le fonctionnement de l'appareil (2) de traitement de linge selon l'une quelconque des revendications précédentes.
EP13182327.0A 2013-08-30 2013-08-30 Appareil de traitement du linge et procédé pour faire fonctionner un tel appareil Active EP2843125B1 (fr)

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CN107938288A (zh) * 2017-10-31 2018-04-20 青岛海尔洗衣机有限公司 一种具有烘干功能的衣物处理设备及烘干控制方法

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