EP2207930A1 - Method and device for cleaning a component, particularly an evaporator of a condenser device, and washer/dryer or dryer having such a device - Google Patents
Method and device for cleaning a component, particularly an evaporator of a condenser device, and washer/dryer or dryer having such a deviceInfo
- Publication number
- EP2207930A1 EP2207930A1 EP08804660A EP08804660A EP2207930A1 EP 2207930 A1 EP2207930 A1 EP 2207930A1 EP 08804660 A EP08804660 A EP 08804660A EP 08804660 A EP08804660 A EP 08804660A EP 2207930 A1 EP2207930 A1 EP 2207930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- evaporator
- condensate water
- water
- process air
- chamber
- 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 abstract description 86
- 238000004140 cleaning Methods 0.000 title claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 164
- 230000008569 process Effects 0.000 claims abstract description 64
- 238000003860 storage Methods 0.000 claims abstract description 39
- 238000001035 drying Methods 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims description 37
- 239000008399 tap water Substances 0.000 claims description 19
- 235000020679 tap water Nutrition 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims 2
- 230000008901 benefit Effects 0.000 description 15
- 238000007789 sealing Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 7
- 238000005192 partition Methods 0.000 description 6
- 238000010981 drying operation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008237 rinsing water Substances 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
- D06F58/22—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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
Definitions
- the invention relates to a method and a device for cleaning a arranged within a process air cycle of a washer or dryer components, in particular an evaporator of a condenser device by means of condensate, which is recovered in the process air cycle from the drying of wet laundry and collected in a condensate water tank from which it is passed to a collection vessel provided above the evaporator and discharged from the outlet side to the relevant evaporator.
- the invention further relates to a washer or dryer with a device of the aforementioned kind.
- a washer dryer is understood to mean a combination appliance which has a washing function for washing laundry and a drying function for drying wet laundry features.
- a tumble dryer only has a drying function for drying wet laundry.
- a device for cleaning the evaporator of a condenser device in a tumble dryer is also known (EP 0 468 573 A1).
- the evaporator of the condenser device consisting of a large number of lamellae arranged parallel to one another can be cleaned by means of a cleaning device on its side opposite a condensate water trough.
- This cleaning device consists of a reciprocating comb-like brush or bristle arrangement, which is additionally supplied in the condensate water tank contained condensate water.
- a blower for generating the process air stream is provided, which can be brought into contact with the laundry to be dried for the absorption of moisture in a drying room.
- a section of the process air duct is flooded with a liquid at least partially for a certain period of time in a cleaning phase with the blower switched off. This liquid is then removed from the flooded section of the process air duct at the end of the cleaning phase.
- the liquid in question is in particular condensate liquid from a condensate container in which condensate water is collected during the drying of the laundry, the is obtained from the drying of wet laundry.
- this is to be sealed by means of a sealing arrangement, which however is sometimes considered undesirable because of the associated expense.
- a simpler solution is sought for cleaning a component arranged within a process air cycle of a washer or tumble dryer.
- a separate collecting container is also provided, into which condensate water can likewise be pumped out of the condensate water tray, which can be drained off as waste water by emptying the relevant collecting container.
- the above-described object is achieved in a method of the type mentioned above in that the condensate water is supplied to a rinsing chamber of a collecting container containing these and an overflow area serving as a storage chamber, from the rinsing chamber of which the condensate contained therein by sudden opening of the respective rinsing chamber the outlet side of which is delivered as a water surge to said component and from the storage chamber of which the condensate water contained there is discharged for disposal.
- the invention has the advantage that, on the one hand, flushing water and storage water can be collected from the condensed water collected in the condensate water tank, on the other hand can be done by a simple process step, namely by dispensing the condensate water from the washing chamber as a water surge and that, moreover, the condensate water collected as storage water can be easily discharged.
- a component arranged inside a process air cycle of a washing or tumble drier in particular an evaporator of a condenser device, can be efficiently cleaned, in particular of lint that has accumulated there during a drying process of damp laundry ,
- the said efficient cleaning of the component or evaporator of the condenser device is achieved in that this amount of condensate within a period of about 1 s to 2s is delivered bubbly , In the case of dispensing 2.5 liters of condensate water within 1 s, this corresponds to a discharge volume of 150 liters / min condensate water.
- the condensate water contained in the storage chamber of the collecting container is discharged by emptying the relevant collecting container after it has been led out of a receiving device. This results in the advantage that the condensate water from the storage chamber of the collecting container can be removed in a relatively simple manner.
- the emptying of the condensate water contained in the storage chamber of the collecting container is carried out by draining and / or pumping into a wastewater collecting device, since in this way the condensate contained in the storage chamber of the collecting container without removing the collecting container from a receiving device and without any further manual handling can be dissipated.
- the flow of water to be delivered to the component is largely equalized in its delivery quantity between the beginning and the end of the delivery. This results in the advantage of a relatively uniform rinsing effect between the beginning and the end of the discharge of the water ripple on or in the component to be cleaned.
- a further advantageous embodiment of the present invention is formed in a said component forming the evaporator of a capacitor device of Water surge delivered to a preferably located only at a specified distance from the inlet region of the process air in the evaporator evaporator area.
- This has the advantage that deposits which are usually increasingly occurring in the form of lint throughout the inlet area of the evaporator can be effectively removed.
- the Wasserschwallabgabe is preferably carried out immediately after completion of a drying operation of wet laundry to be dried, since at this time at the mentioned component or evaporator of the capacitor device adhering contaminants, especially lint, are still wet and are relatively easy to remove by the bubbly dispensed rinsing liquid ,
- the water surge delivery is also carried out in this case, preferably immediately after completion of a drying operation of wet laundry to be dried, since at this time on the mentioned component or evaporator of the capacitor device adhering impurities, in particular lint, are still wet and by the bubbly dispensed rinsing liquid are good to remove.
- the condensate water is pumped by a pump from the condensate water tank into the washing chamber.
- the performance of such a pump PE is clearly on the order of magnitude below the performance of a pump, as initially mentioned in connection with the basic embodiment of the present invention.
- the sudden opening of the washing chamber is controlled on the outlet side by actuating a bistable Spülschschphraschphras.
- This brings the advantage of a particularly effective sudden opening of the washing chamber on the outlet side with it.
- the effect can be exploited in an advantageous manner that a relatively short stroke on the controlled side of an actuator for the actuation of the SpülschschverInstitutes can be achieved by a relatively short operating stroke on the control side.
- a so-called step function given to the bistable rinsing chamber closure can be utilized for the actuation of the bistable rinsing chamber closure, by means of which a sudden movement of the rinsing chamber closure can be carried out for its opening and also for its closing.
- the aforementioned operation of the rinsing chamber closure takes place thermally or electromagnetically. This brings the advantage of a particularly simple operation of SpülschschInstitutes with it.
- a device for carrying out the method according to the invention, preferably a device is provided with a component to be cleaned, in particular an evaporator of a condenser device, arranged within a process air cycle of a laundry or tumble dryer, and with a condensate water pan into which emerges in the process air cycle by drying damp laundry Condensate water trappable, out of this provided to a collecting vessel provided above the evaporator and can be discharged from this to the relevant component.
- a component to be cleaned in particular an evaporator of a condenser device, arranged within a process air cycle of a laundry or tumble dryer, and with a condensate water pan into which emerges in the process air cycle by drying damp laundry Condensate water trappable, out of this provided to a collecting vessel provided above the evaporator and can be discharged from this to the relevant component.
- This device is according to the invention characterized in that the collecting container has a rinsing chamber with an inlet region for condensate water from the condensate water tank and a discharge area for the discharge of condensate contained in the rinsing chamber and serving as a storage chamber overflow area and that on an outlet side of the outlet region of the rinsing chamber a closure part is arranged, by the sudden opening of the collecting container in his Spülkam- mer contained condensate water like a surge through a downpipe to the said component allowed.
- the further advantage is achieved that ensures that the condensate water in the case of a reduced loading of the respective collection container containing washer or dryer by little to be dried laundry a sufficient amount of condensate water for cleaning the component to be cleaned is available and not otherwise used or dissipated.
- a further advantageous embodiment of the invention in addition to the delivery of the rinsing water from the rinsing chamber by the sudden opening on the outlet side as a flood of water still under pressure tap water can be delivered to the relevant component.
- tap water can be delivered to the relevant component.
- Such a measure can preferably be used in a washer-dryer in which a water inlet device for the supply of pressurized tap water and a water drainage device for the discharge of wastewater are available in any case.
- the condensate contained in the storage chamber of the collecting container through the inlet region of the washing chamber of the respective collecting container after removing it from a receiving device again deductible. In this way you get out with a particularly easy to design collection container.
- the condensate water contained in the storage chamber of the collecting container can be discharged through a discharge device and / or a pump into a wastewater collecting device.
- the condensate contained in each case in the storage chamber of the collecting container without removing the collecting container can be removed from a receiving device and without any further manual handling.
- said downpipe on a region which is narrowed relative to the cross section of the outlet region of the washing chamber.
- the water surge in the case of an evaporator of a condenser device which forms the named component, can be delivered to a fixedly arranged flushing nozzle connected to the downpipe, preferably at a fixed distance from the inlet region of the process air into the evaporator ,
- a flushing nozzle connected to the downpipe, preferably at a fixed distance from the inlet region of the process air into the evaporator .
- the flushing nozzle and / or the downpipe during the delivery of the water surge by a mechanically, hydraulically, pneumatically or electromechanically operated deflection of a located at the inlet region of the process air in the evaporator of the capacitor device initial region to a distance thereof deflectable towards the exit region of the process air from the evaporator end region.
- the rinsing chamber is connected to the condensate water tank by means of a pump. This has the advantage that the rinsing chamber can be filled with condensate water in a relatively simple manner.
- the closure part of the rinsing container is connected to a bistable spring arrangement which can be actuated to open the outlet region of the rinsing chamber which is closed by the closure part.
- a bistable spring arrangement which can be actuated to open the outlet region of the rinsing chamber which is closed by the closure part.
- thermoelectric or magnetic relay coupled thereto is preferably provided. This results in the advantage that can be done with a particularly low cost for the control of the bistable spring arrangement.
- FIG. 1 is a schematic representation of a device according to an embodiment of the present invention
- FIG. 2 in a schematic representation and partly in section provided in the apparatus of FIG. 1, containing condensate water, inserted into a device body and largely closed on its upper side by a lid collecting container with an actuator for surge-like dispensing contained in a rinsing chamber condensate water
- 3 shows a schematic representation of the collection container shown in FIG. 2 in a state partly pulled out of the device body mentioned, FIG.
- FIGS. 2 and 3 are plan views of the collection container shown in FIGS. 2 and 3 with the cover removed,
- FIG. 5 is a schematic representation of a possible guide device for the collection container shown in Fig. 4,
- FIG. 6 is a schematic representation of a plan view of an evaporator of a capacitor device, as provided in the device shown in FIG. 1, FIG.
- FIG. 7 shows an arrangement, by means of which the condensate water discharged from the rinsing chamber of the collecting container in the device according to FIG. 1 can be dispensed over a definable area of the evaporator of the condenser device; and
- FIG. 8 shows a modification of the device shown in FIG present invention.
- the device shown in a schematic representation in FIG. 1 is contained in a washing or tumble dryer, of which in FIG. 1, however, only the parts essential to an understanding of the present invention are shown.
- a washing or laundry drum WT to be dried, which is to be dried, and a process air flow arrangement connected thereto, which is considered in more detail below, through which process air flows in the direction of the arrows indicated in FIG.
- the process air flow arrangement comprises a series of process air ducts LU 1, LU 2, LU 3 and LU 4 as well as devices connected thereto, namely a blower GB, a heating device HE and an evaporator EV of a capacitor device, not shown here.
- the evaporator EV is on the outlet side via serving as a transition part funnel-shaped terminal TR1 with the one end of the process air duct LU 1 is connected to which cold, dry process air is supplied and which is connected at its other end to an input port of the blower GB.
- this blower GB is connected via the process air duct LU2 to the input side of the heating device HE, which is connected on the output side through the process air duct LU3 to the input side of the washing or laundry drum WT for the supply of now hot, dry process air.
- the washing or laundry drum WT for the discharge of hot, moist process air which is discharged from it to be dried wet laundry, through the process air duct LU4 and an adjoining, also serving as a transition part funnel-shaped connection TR2 with the inlet side connected to the evaporator EV.
- condensation of the moisture of the hot, moist process air supplied by the process air duct LU4 from the washing or laundry drum WT takes place.
- the resulting in the evaporator EV condensate occurs, as indicated in Fig. 1, in the form of water droplets in a arranged below the evaporator EV condensate water tank KW, in which it is collected.
- the condensate water collected in the condensate water tank KW must now be removed from it so that it does not overflow there.
- the condensate water tank KW is connected in the present case by a connecting channel K1 with the input side of an electric pump P1, which may be, for example, an impeller.
- the pump P1 On the output side, the pump P1 is connected by a connecting channel K2 to the inlet or inlet side of a rinsing chamber SB of a collecting container SA.
- This collecting tank SA in addition to the rinsing chamber SB, also has an overflow area serving as a storage chamber SP immediately adjacent to the rinsing chamber SB.
- the rinsing chamber SB and the storage chamber SP of the collecting container SA are separated from each other only by a partition wall TR, which is lower in height than the rinsing chamber SB and the storage chamber SP.
- the condensate water pumped up by the pump P1 from the condensate water tank KW first passes through the connection channel K2 into the inlet region of the rinsing chamber SB. Since the partition wall TR, as mentioned, is lower in height than the rinsing chamber SB and the storage chamber SP and thus lower than the edge regions of the collecting container SA, first the rinsing chamber SB is filled with condensate water from the condensate water trough KW.
- the rinsing chamber SB of the collecting container SA is filled with condensate water, further condensate water supplied to it passes through the dividing wall TR Overflow water into the storage chamber SP, where it initially remains. If necessary, overflowing condensate water via the storage chamber SP then passes through an overflow arrangement into a return duct RK and thus directly back into the condensate water tank KW.
- the collecting container SA thus represents a combination or short a combination container.
- the collecting container SA can be a collecting container which can be removed manually from a receiving opening provided in the associated washing or tumble dryer, by which the condensate water pumped up from the condensate water tank KW can be disposed of, in particular of the condensate water contained in the storage chamber SP, after the condensate water collected in the rinsing chamber SB has been removed for cleaning the evaporator EV.
- the disposal of the condensate water from the collecting tank SA can also take place in that the relevant collecting tank SA is completely removed from the washing or tumble dryer and emptied in a waste water discharge device. This emptying can be done manually.
- the condensate contained in the storage chamber SP is pumped by means of an electric pump and discharged into the mentioned wastewater discharge device. In this case, the collecting container SA need not be taken out of the mentioned receiving opening.
- the rinsing chamber SB of the collecting container SB is connected with its outlet or exit side via a normally closed closure part VT1, which is to be opened by actuation or driving, with a drop tube FR.
- This drop tube FR which has a relatively large cross-section, preferably has a length defining a drop height of about 500 mm to 600 mm for the condensate water to be dispensed from the rinsing tank SB in each case in a surge-like manner. It is provided at its lower end in FIG.
- an approximately oval-shaped outlet region extending over the entire width of the evaporator EV and having a width of approximately 6 mm to 10 mm, which has the longitudinal center of its exit region at a predetermined distance, which here is about 10mm to 50mm, is arranged by the right in Fig. 1 inlet region of the evaporator EV for hot, moist process air.
- consisting of downpipe FR and rinsing nozzle DU condensate water emerging from the washing container SB with the closure part open VT as a water surge to a preferably only in the specified Ab- was delivered from the inlet region of the process air in the evaporator EV evaporator area.
- the dimensions of the passage opening of the closure part VT and of the cross section of the downpipe FR and the rinsing nozzle DU are preferably selected so that the condensate water collected in the rinsing chamber SB - ie according to the example assumed above about 2.5 liters of condensate water - within a very short time span of 1 to 2 seconds is given as water surge to the evaporator EV.
- the downpipe FR has a region to which the rinsing nozzle DU belongs, based on the cross section of the outlet region of the rinsing container SB is narrowed.
- the minimum amount of condensate water specified above per unit of time is provided for purging the evaporator EV.
- a controller ST For controlling the various devices shown in Fig. 1 as mentioned above, a controller ST is provided.
- This control device ST may include, for example, a microcontroller with its own software or a microprocessor control with a CPU, a ROM containing an operating program and a work program and a RAM RAM and interface circuits to which the input side actuating signals are supplied and the output control signals to the various devices allow to submit the device shown in Fig. 1.
- the control device ST has, for example, two input terminals E1 and E2 to which switches S1 and S2 are connected, each of which is connected to a voltage terminal U, which for example may carry a voltage of + 5V.
- the control device ST in the present case, for example, five output terminals A1, A2, A3, A4 and A5.
- the output terminal A1 of the control device ST is connected to a control input of the blower GB, which can be switched on or off by him on this control input supplied control signals.
- the output terminal A2 of the control device ST is connected to a corresponding control input of the heating device HE, which can be switched on or off by the control input supplied control signals.
- the output terminal A3 of the control device ST is connected via a connection to the washing or laundry drum WT, which is to be understood merely as an operative connection, which can be set in rotation or can be stopped in rotation via control signals output via the relevant connection.
- the output terminal A4 of the control device ST is connected to an actuating input of the closure part VT1, which is either closed or fully opened by the control signal supplied thereto from the output terminal A4 of the control device ST.
- the closure part VT1 it is also possible for the closure part VT1 to be normally closed and to be completely opened only by a control signal (for example corresponding to a binary signal "1") output from the output terminal A4 of the control device ST.
- the output terminal A5 of the control device ST is connected to a control input of said pump P1, which can be set to its pumped by this connection control signals either started or stopped.
- the control device ST could be connected to the voltage connection U with a further input via a further switch (not shown).
- This flushing process can optionally be carried out once or several times with the relevant condensate water.
- the condensate water collected again in the condensate water sump KW is pumped up into the rinsing chamber SB, from which it is then discharged again into the evaporator EV in a surge-like manner.
- the condensate water collected in the condensate water sump KW must either be discharged into an existing wastewater system or pumped into the rinsing chamber SB and the storage chamber SP of the sump SA, which is then to be emptied manually.
- FIG. 2 and 3 show the only schematically indicated in Fig. 1 collection container SA in a possible embodiment in more detail.
- 2 and 3 show the collecting container SA in a sectional view as a cuboid receiving body which is covered on its upper side by a lid DE.
- This cover DE can with the relevant receiving body, for example, be connected by a snap connection arrangement.
- the respective receiving body of the collecting container SA has a handle GR, with which the collecting container SA can be inserted into a corresponding receiving opening of a device body GK of the washing or tumble dryer.
- Fig. 2 shows the collecting container SA in a state in which it is fully inserted into a receiving opening GO of the device body GK
- Fig. 3 shows the case that the collecting container SA is slightly pulled out of this receiving opening of the device body GK.
- the collecting container SA In the inserted into said receiving opening GO state, the collecting container SA is located with its in Fig. 2 left end region shown on buffers PU, which abut from the inside of the collecting container SA receiving opening GO.
- the collecting container SA In this state, the collecting container SA is accommodated with cam receivers NA1 and NA2 provided on its underside, of cams NO1 and NO2, respectively, which protrude from the underside of the respective receiving opening GO.
- the collecting container SA is lowered with respect to the underside of the mentioned receiving opening GO of the device body GK and thus abuts sealingly against the underside of the mentioned receiving opening GO by a sealing member in the form of a sealing disk Dl.
- two passage openings OP1 and OP2 are aligned with one another, of which the passage opening OP1 is provided in the rear area of the mentioned receiving opening GO of the device body GK and of which the passage opening 0P2 in the corresponding area of the lid DE the collection container SA is provided.
- these aligned through openings which are preferably of the same size, condensate water is introduced through the connecting channel K2 shown in Fig. 1 in the collecting container SA.
- the dividing wall TW is indicated, which has already been mentioned in the consideration of the collection container shown in Fig. 1 SA.
- the height of the partition wall TW is lower than the height of the interior of the collecting container SA.
- the shutter member TE shown in Figs. 2 and 3 is supported by a short support member TT1 received in a through hole included in the bottom portion of the collecting container SA so that the collecting container SA with the shutter member TE relative to that mentioned Receiving opening GO can be moved.
- an actuating pin TT2 lying opposite the supporting pin TT1 is located in a corresponding passage opening which is provided in the bottom region of the mentioned receiving opening GO.
- an actuating pin TT2 acts an actuating arrangement, which comprises a controllable by the control device ST shown in FIG. 1 actuator BE and the bistable spring FE.
- This formed for example by a leaf spring bistable spring FE, which is preferably equipped with a jump function is carried at its storage point of a stationary arranged support member TL, around which the respective bistable spring FE is able to snap back on their operation.
- a plunger of the actuator BE At the end of its relatively short pivoting range of the support member TL from the bistable spring FE is connected to a plunger of the actuator BE.
- This actuating device BE may preferably be a thermally or electromechanically operating actuating device, such as a thermal relay or a magnetic relay, which can be actuated by the control device ST1 (from its output port A4 according to FIG. 1).
- a relatively short stroke of the actuating device BE can trigger a considerably larger stroke of the closure actuator TE (lever principle), preferably due to the bistable step function of the spring FE , so that in the rinsing chamber SB Contained condensate water can be delivered as a surge of water through the downpipe FR and the flushing nozzle DU to the evaporator EV of FIG. 1.
- a corresponding activation of the actuating device BE by the control device ST, as shown in FIG. 1, causes the actuation pin TT2 to push up the support pin TT1 by switching over the bistable spring FE, and thus the closure member TE from its sealing system to the sealing lips DL lifts up.
- the rinsing chamber separated by the dividing wall TW in the collecting tank SA is directly connected to the downpipe FR and can deliver the condensate water collected in this rinsing chamber upwards through the downpipe FR.
- Fig. 4 shows a plan view of the collecting container SA shown in Fig. 2 and 3 with the cover removed DE.
- the dividing wall TW in the interior of the collecting container SA initially extends almost semicircularly from its end shown on the left.
- This designated EL area represents the inlet area for the condensate water, which is pumped through said connecting channel K2 in the collecting tank SA.
- a constriction area EN then adjoins this inlet area EL, which then ends in an extended area which serves as a flushing area of the so relatively large flushing chamber SB.
- the respective partition wall TW then extends to the lower side wall of the collecting container SA shown in FIG.
- FIG. 4 divides the interior of the collecting container SA into the previously mentioned rinsing chamber SB and into the storage chamber SP shown in FIG. 4.
- the mentioned rinsing chamber SB is the mentioned in connection with FIGS. 2 and 3 outlet opening AU, which is shown here without a closure member, such as the closure plate mentioned in connection with FIGS. 2 and 3.
- the bottom area within the rinsing chamber SB can, as indicated in FIG. 4 by dashed lines, be designed in such a way that this bottom area, as it were, tapers in a funnel shape toward the outlet opening AU. As a result, the outlet of the condensate water collected in the rinsing chamber SB can still be supported by the outlet opening AU.
- guide pins or guide rollers FS are indicated by dashed lines on the outer longitudinal sides of the collecting container SA.
- the guide pins or rollers FS provided on each outer side of the collecting container SA shown in FIG. 4 can each be received by a guide track FB of a guide rail FU, one of which is shown in FIG. Two such guide rails are mounted opposite the respective longitudinal sides of the collecting container SA on the inside of the mentioned with reference to FIGS. 2 and 3 receiving opening GO.
- These guide pins or rollers FS and the associated guide rails with their guide tracks for the relevant guide pins or rollers FS can be provided as an alternative to the cams NO1, NO2 and cam receptacles NA1, NA2 shown in FIGS. 2 and 3.
- the mentioned guide rails FU can in each case for a lowering of the collecting container SA in its fully inserted state according to FIG. 2 in the mentioned receiving opening GO lowering areas AB1 and AB2 contain, in which the associated guide pins or rollers FS of the collecting container SA can be accommodated.
- the guideway FB shown in Fig. 5 can be provided with their Absenkungs Suiteen AB1 and AB2 corresponding guideways in the longitudinal outer sides of the collection container shown in Fig. 4 SA and that mentioned with reference to FIGS. 2 and 3 receiving opening GO can be provided with corresponding guide pins or rollers, which allow to receive the collecting container SA with its guide track FB.
- the respective guideway FB is provided with its lowering portions AB1 and AB2 in the respective longitudinal outer side of the collecting container SA so that it is open at the left end shown in Fig. 4 and facing the opposite end directed Ab- lowering portions AB1 and AB2 , It can be provided with their own lowering areas for the individual guide pins or rollers separate guideways.
- FIG. 6 which shows in a schematic representation a plan view of the evaporator EV in the apparatus shown in FIG. 1, the evaporator EV consists of a series of mutually parallel laminations LA. These lamellae LA are formed by metal plates, which are cooled in the condenser device mentioned in such a way that moisture of the moist process air supplied to them from the right side in FIG.
- FIG. 6 precipitates on the cold surfaces of the lamellae LA and, as in FIG indicated, leads to the discharge of condensate water to the condensate water tank shown there KW.
- Fig. 6 the stationary position of the flushing nozzle DU is indicated with respect to the evaporator EV.
- FIG. 7 shows a device in which the rinsing nozzle DU can be displaced relative to the evaporator EV, or more precisely can be deflected.
- a drive device is provided above the evaporator EV of the capacitor device mentioned, which consists of an electric motor MO which can be controlled by the control device ST, a threaded spindle GW rotatable by the latter and a nut part MU coupled thereto, which in the present case is connected to the Flush nozzle DU is connected.
- the threaded spindle GW is supported on its end remote from the motor MO by a support bearing SL.
- the rinsing nozzle DU is connected as shown in FIG. 7 with the downpipe FR by a movable connecting part BV, which may be formed for example by a Faltenbalgteil or a corrugated hose.
- a movable connecting part BV which may be formed for example by a Faltenbalgteil or a corrugated hose.
- the condensate water discharged through the downpipe FR and the rinsing nozzle DU can also be made by the fact that the downpipe FR is deflected together with the flushing nozzle DU accordingly.
- the mentioned deflection can also be performed in a different manner than in FIG. 7, ie generally by a mechanically, hydraulically, pneumatically or electromechanically actuated deflection device.
- the apparatus shown in Fig. 8 differs from the apparatus according to the present invention shown in Fig. 1 substantially only in that, in addition to the condensate water delivered out of the flushing chamber SB of the collecting tank SA in a normal manner, under a pressure of e.g. 3bar to 6bar standing tap water can be discharged for cleaning. For this reason, reference will be made in the following only to the features with which the device shown in Fig. 8 differs from the device shown in Fig. 1.
- a water supply pipe WA is provided to which the mentioned pressurized tap water is supplied.
- a closure part VT2 is connected to the delivery side of the respective water supply pipe WA, which can be, for example, a normal shut-off valve which can be actuated by an output connection A4a of the control device ST.
- the output terminal A4b of the control device ST shown in FIG. 8 corresponds to the output terminal A4 of the control device ST shown in FIG. 1, with which the control device ST shown in FIG. 8 otherwise coincides with regard to its construction and operation.
- a Wasserabwholesomerohr ZR is provided, which projects into the lower region of the downpipe FR in this, so according to FIG. 1 above the flushing nozzle DU of the respective downpipe FR.
- the tap water can be added to the bubbly from the washing container SB Condensate water for cleaning the evaporator EV are discharged.
- the pressurized tap water can be discharged to the evaporator EV in a corresponding manner for its purification, as has been explained with respect to the condensate water with reference to Figs. 6 and 7.
- the device according to the present invention can also be realized in another way than has been explained above.
- the collecting container SA by means of the dividing wall TW into an at least approximately round middle rinsing chamber SB and into a storage chamber SP surrounding it.
- the funnel-shaped lowering of the outlet opening AU mentioned in connection with FIG. 4 could be realized particularly easily in the bottom area of the washing chamber.
- the actuator assembly for the sudden opening of the respective outlet opening AU may be constructed in a different manner than has been explained above. LIST OF REFERENCE NUMBERS
- TR1 funnel-shaped connections (transition parts)
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08804660T PL2207930T3 (en) | 2007-10-12 | 2008-09-24 | Method and device for cleaning a component, particularly an evaporator of a condenser device, and washer/dryer or dryer having such a device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007049061A DE102007049061A1 (en) | 2007-10-12 | 2007-10-12 | Method and device for cleaning a component, in particular an evaporator of a condenser device, and laundry or tumble dryer with such a device |
PCT/EP2008/062751 WO2009050004A1 (en) | 2007-10-12 | 2008-09-24 | Method and device for cleaning a component, particularly an evaporator of a condenser device, and washer/dryer or dryer having such a device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2207930A1 true EP2207930A1 (en) | 2010-07-21 |
EP2207930B1 EP2207930B1 (en) | 2012-11-14 |
Family
ID=40134764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08804660A Active EP2207930B1 (en) | 2007-10-12 | 2008-09-24 | Method and device for cleaning a component, particularly an evaporator of a condenser device, and washer/dryer or dryer having such a device |
Country Status (7)
Country | Link |
---|---|
US (1) | US9347171B2 (en) |
EP (1) | EP2207930B1 (en) |
CN (1) | CN101821443B (en) |
DE (1) | DE102007049061A1 (en) |
EA (1) | EA016554B1 (en) |
PL (1) | PL2207930T3 (en) |
WO (1) | WO2009050004A1 (en) |
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CN101821443A (en) | 2010-09-01 |
US20100212369A1 (en) | 2010-08-26 |
CN101821443B (en) | 2011-11-02 |
PL2207930T3 (en) | 2013-04-30 |
EP2207930B1 (en) | 2012-11-14 |
WO2009050004A1 (en) | 2009-04-23 |
DE102007049061A1 (en) | 2009-04-16 |
US9347171B2 (en) | 2016-05-24 |
EA016554B1 (en) | 2012-05-30 |
EA201070436A1 (en) | 2010-10-29 |
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