WO2010023085A1 - Lave-vaisselle présentant un dispositif de séchage par sorption - Google Patents

Lave-vaisselle présentant un dispositif de séchage par sorption Download PDF

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Publication number
WO2010023085A1
WO2010023085A1 PCT/EP2009/060258 EP2009060258W WO2010023085A1 WO 2010023085 A1 WO2010023085 A1 WO 2010023085A1 EP 2009060258 W EP2009060258 W EP 2009060258W WO 2010023085 A1 WO2010023085 A1 WO 2010023085A1
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WO
WIPO (PCT)
Prior art keywords
sorption
container
dishwasher according
air
tsi
Prior art date
Application number
PCT/EP2009/060258
Other languages
German (de)
English (en)
Inventor
Daniel Delle
Ulrich Ferber
Helmut Jerg
Kai Paintner
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2010023085A1 publication Critical patent/WO2010023085A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/18—Air temperature
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/11—Air heaters

Definitions

  • the present invention relates to a dishwasher, in particular a domestic dishwasher, with at least one rinsing container and at least one sorption drying system for drying items to be washed, wherein the sorption drying system has at least one sorption container with reversibly dehydratable sorption material, which is connected via at least one air duct with the rinsing container for generating an air flow.
  • DE 103 53 774 A1, DE 103 53 775 A1 or DE 10 2005 004 096 A1 disclose dishwashers with a so-called sorption column for drying dishes. Moist air from the washing compartment of the dishwasher is passed through the sorption column by means of a blower in the partial program step "drying" of the respective dishwashing program of the dishwasher and moisture is removed from the air passed through it by means of its reversibly dehydratable dry material by condensation for regeneration, ie desorption The sorption column is heated to its reversibly dehydratable dry material to very high temperatures in.
  • the object of the invention is to provide a dishwasher, in particular a domestic dishwasher, with further improved sorption and / or desorption results for the reversibly dehydratable dry material of the sorption unit of its sorption drying apparatus.
  • This object is achieved in a dishwasher of the aforementioned type in that at least one thermal overheating protection device (TSI) is provided for at least one component of the drying device.
  • TTI thermal overheating protection device
  • FIG. 1 shows schematically a dishwasher with a washing container and a sorption drying system whose components are designed according to the construction principle according to the invention
  • Fig. 2 shows a schematic perspective view of the open
  • washing container of the dishwasher of Figure 1 with components of the sorption drying system, partially uncovered, ie without
  • Fig. 3 in a schematic side view of the entirety of
  • Sorptionstrocknungssystems of Figure 1, 2 the components are partially housed on the outside of a side wall of the washing and partly in a floor assembly below the washing container,
  • Fig. 4 as a detail schematically in perspective exploded view of various components of the sorption of the
  • FIG. 5 is a schematic plan view of the sorption container of FIG. 4;
  • Fig. 6 seen in a schematic plan view from below as a component of
  • Fig. 7 seen in a schematic plan view from below as another
  • Tube coil heater of Figure 7 which is disposed above the slot plate of Figure 6,
  • Fig. 11 in a schematic plan view from above the entirety of the components of the Sorptionstrocknungssystems the
  • Fig. 15 in a schematic sectional view seen from the side of the
  • FIG. 17 is a schematic representation of the thermoelectric heat protection of the sorption container of FIGS. 4 and 10 of the sorption drying system of FIGS. 1, 3, 11.
  • FIG. 1 shows a schematic illustration of a dishwasher GS, which has as main components a rinsing container SPB, a base assembly BG arranged underneath, and a sorption drying system TS according to the design principle according to the invention.
  • the sorption drying system TS is preferably provided externally, ie outside the washing container SPB, partly on a side wall SW and partly in the bottom assembly BG. It comprises as main components at least one air duct LK, at least one fan unit inserted in it or a fan LT and at least one sorption tank SB.
  • In the washing container SB are preferably one or more grid baskets GK for receiving and rinsing items such. B. pieces of dishes housed.
  • one or more spraying devices such as one or more rotating spray arms SA, are provided in the interior of the washing container SPB.
  • a lower spray arm and an upper spray arm are suspended in the washing container SPB in a rotating manner.
  • Dishwashers undergo washing programs that have a plurality of program steps for cleaning items to be washed.
  • the respective rinsing program can comprise in particular the following individual program steps which proceed one after the other: a pre-rinsing step for removing soiling, a cleaning step with detergent addition to liquid or water, an intermediate rinsing step, a rinsing step with application of liquid or water added with expansion agents or rinse aid , and a final drying step, in which the cleaned items is dried.
  • fresh water and / or service water mixed with detergent is added to this, for example. for a cleaning process, for an intermediate rinsing, and / or applied for a rinse on the respective items to be washed.
  • the fan unit LT and the sorption SB are here in the embodiment in the bottom assembly BG below the bottom BO of the washing container SPB housed.
  • the air duct LK extends from an outlet opening ALA, which is provided above the bottom BO of the washing container SBP in the side wall SW, outside of this side wall SW with an inlet-side pipe section RA1 down to the fan unit LT in the bottom assembly BG.
  • the outlet of the fan unit LT Via a connecting section VA of the air duct LK, the outlet of the fan unit LT is connected to an inlet opening EO of the sorbent container SB in its area near the ground.
  • the outlet opening ALA of the washing container SPB is preferably provided above its bottom BO in the middle region or in the central region of the side wall SW for drawing in air from the interior of the washing container SPB.
  • the outlet opening ALA in the rear wall RW (see Figure 2) of the washing container SPB.
  • the outlet opening is preferably at least above a Foam level up to which foam can form in a cleaning process, preferably in the upper half of the washing container SPB in one of its side walls SW and / or provide back wall.
  • the fan unit LT is preferably designed as an axial fan. It serves for the forced flow of a sorption unit SE in the sorption container SB with moist-hot air LU from the rinsing container SPB.
  • the sorption unit SE contains reversibly dehydratable sorption material ZEO, which can absorb and store moisture from the air LU passed through it.
  • the sorption SB has in the near-ceiling region of its housing on the top of an outflow opening AO (see Figures 4, 5), which is connected via an outlet element AUS through an insertion opening DG (see Figure 13) in the bottom BO of the washing compartment SPB with its interior.
  • this sorption drying system TS a closed air circulation system is provided by this sorption drying system TS.
  • the spatial arrangement of the various components of this sorption drying system TS is apparent from the schematic perspective view of Figure 2 and the schematic side view of the figure 3.
  • the course of the bottom BO is also shown in dash-dotted lines, whereby the spatial-geometric relationships of the structure of the Sorptionstrocknungssystems TS are better illustrated.
  • the outlet opening ALA is preferably arranged at a location above the bottom BO, which allows the collection or suction of as much moist hot air LU from the upper half of the washing container SPB in the air duct LK.
  • moist hot air preferably collects above the bottom BO, in particular in the upper half of the washing container SPB.
  • the outlet opening ALA is preferably at an altitude above the level of foam, which may occur during regular flushing operation or in the event of a fault.
  • foam can be caused by detergent in the water during the cleaning process.
  • the position of the exit point or outlet opening ALA is selected such that a rising distance on the side wall SW is still freely available for the inlet-side pipe section RA1 of the air duct LK.
  • the outlet opening or outlet opening in the middle region, ceiling region, and / or upper region of the side wall SW and / or rear wall RW of the washing container SPB also largely prevents water from the sump in the bottom of the washing container or from its liquid spraying system through the outlet opening ALA of the washing container Rinsing container SPB injected directly into the air duct LK and then can get into the sorbent SB, what else there sorption ZEO inadmissible damp, partially damage or unusable, or even completely destroyed.
  • the sorption SB is viewed in the flow direction before the sorption SE at least one heater HZ for desorption and thus regeneration of the sorbent ZEO arranged.
  • the heating device HZ is used to heat air LU, which is driven through the fan unit LT by the air duct LK in the sorption.
  • This positively heated air absorbs the stored moisture, in particular water, from the sorption material ZEO as it flows through the sorption material ZEO.
  • This expelled from the sorbent ZEO water is transported by the heated air through the outlet element AUS of the sorbent SB into the interior of the washing.
  • This desorption process preferably takes place when liquid is carried out for a cleaning process or other rinsing process of a subsequent dishwashing program. It can be used for the desorption process heated by the heating device HZ be used simultaneously to heat the liquid in the washing container SPB, which is energy efficient.
  • FIG. 2 shows, with the door TR of the dishwasher GS of FIG. 1 open, main components of the sorption drying system TS in the side wall SW and of the base assembly BG partially in exposed state in a perspective view.
  • FIG. 3 shows the entirety of the components of the sorption drying system TS seen from the side.
  • the inlet-side pipe section RA1 of the air duct LK has, starting from the height position of its inlet opening El at the location of the outlet opening ALA of the washing compartment SPB a pipe section AU rising upward with respect to the direction of gravity and then a pipe section AB sloping downwards with respect to the direction of gravity SKR.
  • the upwardly rising pipe section AU extends slightly upward with respect to the vertical direction of gravity SKR and merges into a curved section KRA, which is bent convexly and for the inflowing air flow LS1 a directional reversal of about 180 ° downwards into the adjoining, substantially vertically downwards sloping pipe section AB forces. This ends in the fan unit LT.
  • the first, upwardly rising pipe section AU, the curvature section KRA, and the downstream, second, downwardly sloping pipe section AB form a flat channel with a substantially flat rectangular cross-sectional geometry shape.
  • one or more flow guide ribs or drainage ribs AR are provided, which follow its curvature profile.
  • a plurality of arcuate drainage ribs AR are substantially nested concentrically in one another and arranged at a transverse distance from one another in the interior of the curved section KRA. They extend here in the embodiment in the rising pipe section AU and in the sloping pipe section AB on a partial length.
  • These drainage ribs AR are arranged at height positions above the outlet ALA of the purge tank SPB and the inlet El of the inlet side pipe section RA1 of the air duct LK.
  • These drainage ribs AR serve to receive liquid droplets and / or condensate from the air flow LS1 drawn in from the washing container SPB.
  • the flow guide ribs AR drip off collected liquid droplets in the direction of the outlet ALA.
  • the liquid droplets can drip off the flow guide ribs AR in the direction of a return rib RR.
  • the return rib RR is provided at a point in the interior of the sloping pipe section AB, which is higher than the outlet opening ALA of the washing container SPB or higher than the inlet opening El of the air duct LK.
  • the return rib RR in the interior of the sloping pipe section AB forms a drainage slope and is aligned with a cross-connection line RF in the direction of the outlet ALA of the washing compartment SPB.
  • the cross-connection line RF bridges the gap between the leg of the upwardly rising pipe section AU and the leg of the downwardly sloping pipe section AB.
  • the cross-connection line RF connects the interior of the upwardly rising pipe section AU and the interior of the downwardly sloping pipe section AB with each other.
  • the slope of the return rib RR and the adjoining, aligned cross-connection line RF is selected such that a condensate return of condensate or other liquid droplets that drip down from the gutters AR in the region of the sloping pipe section AB, in the outlet opening ALA of the washing container SPB is ensured.
  • the drainage ribs AR are preferably mounted on the inner wall of the air duct LK facing away from the Spül organizationsenwand SW, since this outer side inner wall of the air duct is cooler than the flushing tank SPB facing inner wall of the air duct. At this cooler inner wall condensate precipitates stronger than on the side wall SW facing inner wall of the air duct LK down. It may therefore be sufficient if the drainage ribs AR are designed as web elements which protrude from the outer inner wall of the air duct LK only over a partial width of the total cross-sectional width of the formed as a flat channel air duct in the direction of the inner side wall SW facing inner wall of the air duct, so that a lateral cross-section gap remains for air flow.
  • the return rib RR is preferably mounted on the inside of the outer inner wall of the air duct LK as a web element, which protrudes in the direction of its inner inner wall on a partial width or partial width of the entire width of the flat formed air duct LK. This ensures that a sufficient passage cross-section remains free in the region of the return rib RR for the passage of the air flow LS1.
  • the drainage ribs AR and the return rib RR serve in particular also to separate water droplets, detergent droplets, rinse aid droplets, and / or other aerosols which are located in the inflowing air LS1 and return them through the outlet opening ALA into the rinsing container SPB.
  • This is particularly advantageous in a desorption process when a cleaning step takes place at the same time.
  • a relatively large amount of steam or mist may be present in the washing container SPB, in particular due to the spraying of liquid by means of the spraying arms SA.
  • Such a vapor or mist may contain finely divided water as well as detergent or rinse aid and other cleaning agents.
  • the drainage ribs AR For these finely dispersed liquid particles entrained in the air flow LS1, the drainage ribs AR, a deposition device, form.
  • other deposition means in particular structures with a plurality of edges, such as e.g. Wire mesh, be provided.
  • the tube section AU ascending obliquely upwards or substantially vertically ensures that liquid droplets or even spray jets which are sprayed out by a spraying device SA, for example a spray arm during the cleaning process or other rinsing process, are largely prevented from passing directly over the suctioned Air flow LS1 to enter the sorbent of the sorption.
  • a spraying device SA for example a spray arm during the cleaning process or other rinsing process
  • the Sorption material ZEO for a sorption process during the drying step are made inadmissibly humid and unusable. In particular, it could lead to premature saturation by introduced liquid droplets such as mist droplets or vapor droplets.
  • the dishwasher GS here has a drying device for drying items to be washed by sorption by means of reversibly dehydratable sorption material ZEO, which is stored in a sorption container SE.
  • This is connected via at least one air duct LK to the washing container SPB for generating an air flow LS1.
  • the air duct has along its inlet-side pipe section RA1 a substantially flat rectangular cross-sectional geometry shape. Viewed in the direction of flow, the air-guiding channel, according to its inlet-side pipe section RA1, merges into a substantially cylindrical pipe section VA. It is preferably made of at least one plastic material.
  • the air duct LK has at least one upwardly rising pipe section AU. It extends from the outlet opening ALA of the washing container SPB upwards. He further has, viewed in the flow direction after the rising pipe section AU at least one downwardly sloping pipe section AB. Between the rising pipe section AU and the sloping pipe section AB at least one curvature section KRA is provided.
  • the curvature section KRA in particular has a larger cross-sectional area than the rising tube section AU and / or the sloping pipe section AB.
  • one or more flow guide ribs AR are provided for equalizing the air flow LS1. If necessary, at least one of the flow guide ribs AR extends beyond the curved section KRA into the rising pipe section AU and / or sloping pipe section AB.
  • the one or more flow guide ribs AR are provided at positions above the height position of the outlet ALA of the purge tank SPB.
  • the respective flow guide rib AR extends from the Spül actuallyergeophuse- facing channel wall to the opposite, Spül relieergephase- remote channel wall of the air duct LK, preferably substantially continuously.
  • At least one return rib RR is provided in the interior of the sloping tube section AB on the Spippo constituergetude- facing channel wall and / or Spül successiveergephaseuse- remote channel wall of the air duct LK at a location which is higher than the inlet opening of the air duct LK.
  • the return rib RR is connected via a cross connection line RF in the space between the descending pipe section AU and the sloping pipe section AB for condensate return to the inlet opening El of the air duct LK. It has a slope to the inlet opening El out.
  • the return rib extends from the Spül relieergetude- facing channel wall to the opposite, Spül relieergetude- remote channel wall of the air duct LK preferably only on a partial cross-sectional width.
  • the sloping branch AB of the air duct LK is introduced essentially vertically into the fan unit LT.
  • the sucked-in air flow LS1 is blown from the fan unit LT on the output side via a tubular connection section VA into an inlet connection ES of the sorption container SB coupled to it in the area near the bottom thereof.
  • the air flow LS1 flows into the lower region of the sorption container SB with an inflow direction ESR and changes into a different flow direction DSR with which it flows through the interior of the sorption container SB.
  • This through-flow direction DSR runs from bottom to top through the sorption SB.
  • the inlet nozzle ES directs the incoming air flow LS1 into the sorption container SB such that it is deflected from its inflow direction ESR, in particular by approximately 90 degrees, into the throughflow direction DSR of the sorption container SB.
  • the sorption container SB below the bottom BO is arranged in a bottom assembly BG of the washing container SPB largely free-hanging such that it has a predetermined minimum gap LS (see also FIG. 10) with respect to adjacent components and / or parts of the bottom assembly BG for heat protection.
  • At least one transport securing element TRS is provided at a predetermined free space distance FRA for the free-hanging sorbent container SB below the bottom BO of the floor assembly BG, so that the sorption container SB is supported from below if the sorption container SB moves downwards during its transport from its freely suspended position ,
  • the sorption container SB has at least one outer housing AG in addition to its inner housing IG in such a way that its entire housing is double-walled there. Between the inner housing IG and the outer housing AG thus an air gap clearance LS is present as a thermal insulation layer.
  • a further overheating protection measure is additionally or independently provided for the freely suspended storage or accommodation of the sorbent container SB in order to present any adjacent components and components of the floor assembly BG Inadequate levels of overheating or burns should be adequately protected.
  • the housing of the sorption container SB has such a geometry that there is a sufficient gap distance as heat protection around the remaining parts or components of the base assembly BG.
  • the sorption container SB for this purpose on its the rear wall RW of the bottom assembly BG facing housing wall SW2 to a curved shape AF, which corresponds to the geometry facing the rear wall RW.
  • the sorption container SB is attached to the underside of the bottom BO, in particular in the region of a passage opening DG (see FIGS. 3, 13) of the bottom BO, of the washing container SB. This is illustrated in particular in the schematic side view of FIG. There, the bottom BO of the washing container SPB, starting from its outer edges ARA on a liquid collecting FSB tapered slope on.
  • the sorption container SB is mounted on the bottom BO of the washing container SPB in such a way that its lid part DEL extends substantially parallel to the underside of the bottom BO and with a predetermined gap distance LSP to the latter.
  • a coupling connection between at least one bottom side member, in particular a base SO, the sorbent SB and a bottom-top component, in particular the outlet element OFF, the sorbent SB in the region of a passage opening DG in the bottom BO of the purge SB provided.
  • a coupling connection in particular a clamping connection is provided.
  • the clamping connection can be formed by a detachable connection, in particular screw connection, with or without bayonet lock BJ (see FIG. 13), between the bottom-side component of the sorption container SB and the bottom-top component of the sorbent container SB.
  • An edge zone RZ see FIG.
  • the bottom-side outlet component and / or the bottom-top splash guard component AUS projects with its end-side end portion through the passage opening DG of the bottom BO.
  • the bottom-side outlet part has a base SO around the outlet opening AO of the cover part DEL of the sorbent container SB.
  • the floor-top splash protection component AUS has a discharge connection AKT and a splash protection cover SH. At least one sealing element DU is provided between the floor-top-side component AUS and the bottom-floor-side component SO.
  • the sorption SB is therefore arranged below the bottom BO of the washing container SPB largely free-hanging so that it has a predetermined minimum gap distance LSP with respect to adjacent components and parts of the bottom assembly BG for heat protection.
  • a transport securing element TRS is additionally fixed in a predetermined free space distance FRA at the bottom of the floor assembly. This transport securing element TRS is used to support the sorbent container SB, which is suspended below the bottom BO of the washing container SPB, if necessary from below, if this is to be supported, for example during transport together with the Bottom BO vibrates down due to shocks.
  • This transport securing element TRS can be formed, in particular, by a downwardly U-shaped metal clamp, which is fixedly mounted on the bottom of the floor assembly.
  • the sorption SB has at the top of its cover part DEL on the outflow opening AO.
  • an upwardly projecting socket SO is attached.
  • a cylindrical base nozzle element STE is mounted (see Figures 4, 5, 9, 13) which projects upwards and serves as a counterpart to the outflow or AKTK. It preferably has an external thread with integrated bayonet lock BJ, which interacts with the internal thread of the Ausblaskaminstutzens AKT accordingly.
  • the base SO has the sealing ring DU on its upper side, concentrically running around the base nozzle STE. This is illustrated in FIGS. 3, 4, 9, 13.
  • the sorbent SB is pressed with this seal DU on the bottom of the bottom BO pressed firmly. It is held by the height of the base SO on clearance LSP from the bottom of the bottom BO. From the top of the bottom BO ago is through the through-hole DG of the bottom BO of the exhaust stack AKT down pushed through and bolted to the counter-piece base socket STE and the opening secured by the bayonet lock BJ.
  • the exhaust gas nozzle AKT surrounds an outer edge zone RZ of the bottom BO around the passage opening DG with an annular outer edge APR.
  • the base SO projects upwards by a base height LSP from the remaining surface of the cover part DEL ensures that there is a gap between the cover part DEL and the bottom of the bottom BO is present.
  • the bottom BO of the washing container SPB runs obliquely inclined, starting from its peripheral edge zone, with the side walls SW and the rear wall RW in the direction of a preferably central liquid collecting region FSB.
  • the pump sump PSU of a circulation pump UWP can be located (see FIG. 16).
  • this bottom BO which tapers obliquely from outside to inside onto the lower collecting area FSB, is shown by dash-dotted lines.
  • the arrangement of the pump sump PSU with the recirculation pump UWP seated therein below the lower collection area FSB can be seen from the plan view image of the floor assembly BG of FIG.
  • the sorption container SB is preferably mounted on the bottom BO of the washing container SPB such that its lid part DEL extends substantially parallel to the underside of the bottom BO and with a predetermined gap distance LSP thereto.
  • the base SO is placed obliquely on the seated base stub STE with respect to the surface normal of the cover part DEL with a corresponding inclination angle.
  • the sorption container SB has a cup-shaped housing part GT, which is closed by a cover part DEL. At least the sorption unit SE with reversibly dehydratable sorption material ZEO is provided in the cup-shaped housing part GT.
  • the sorption unit SE is accommodated in the cup-shaped housing part GT in such a way that its sorption material ZEO can be flowed through in or against the direction of gravity with an air flow LS2 generated by deflecting the air flow LS1 brought about via the air duct LK.
  • the sorption unit SE has at least one lower sieve element or grating element US and at least one upper sieve element or grating element OS at a predefinable height distance H from one another (see in particular FIG. 9).
  • cup-shaped housing part GT At least one heating device HZ is provided.
  • the heating device HZ In the cup-shaped housing part GT viewed in the direction of flow DSR of the sorbent SB, the heating device HZ is provided in particular in front of the sorption SE with the reversibly dehydratable sorbent ZEO.
  • the heating device HZ is provided in a lower cavity UH of the cup-shaped housing part GT for collecting inflowing air LS1 from the air duct LK.
  • cup-shaped Housing part GT is the inlet opening EO provided for the air duct LK.
  • the outlet opening AO In the cover part DEL the outlet opening AO is provided for the outlet element OFF.
  • a heat-resistant material in particular metal sheet, preferably stainless steel or a stainless steel alloy is used.
  • the cover part DEL closes the pot-shaped housing part GT largely hermetically.
  • the peripheral outer edge of the cover part DEL is connected to the upper edge of the cup-shaped housing part GT only by a mechanical connection, in particular by a forming, joining, latching, clamping, in particular by a beaded connection, or clinch connection.
  • the pot-shaped housing part GT has one or more side walls SW1, SW2 (see FIG. 5), which run substantially vertically. It has an outer contour shape that substantially corresponds to the inner contour shape of a mounting area EBR provided for it, in particular in a floor assembly BG (see FIG. 16).
  • the two adjoining side walls SW1, SW2 have outer surfaces that are substantially perpendicular to each other.
  • At least one side wall, such as SW2 has at least one formation, such as AF, which is substantially complementary to a formation on the rear wall and / or side wall of the bottom assembly BG provided below the bottom BO of the purge bin SPB.
  • the sorption container SB is provided in a rear corner region EBR between the rear wall RW and an adjacent side wall SW of the dishwasher GS, in particular its bottom assembly BG.
  • the pot-shaped housing part GT has at least one passage opening DUF for at least one electrical contact element AP1, AP2 (see FIG. 4).
  • a drip protection plate TSB is attached at least over the extent thereof.
  • the drip protection plate TSB has a drainage slope.
  • FIG. 4 shows, on the basis of a schematic and perspective exploded view, the various components of the sorption container SB in the disassembled state.
  • the components of the sorption container SB are arranged one above the other in several situation levels.
  • This construction of the sorption container SB, which is layered from the bottom to the top, is illustrated in particular in the sectional view of FIG. 9 and in the cutaway perspective view of FIG.
  • the sorption SB has the bottom, lower cavity UH, for collecting inflowing air from the inlet port ES on. Above this lower cavity UH sits a slotted sheet SK, which serves as a flow conditioning agent for a pipe coil heater HZ arranged above it.
  • the slotted sheet SK sits on an all around in the interior of the sorbent SB circumferential support edge.
  • This support edge has over the inner bottom of the sorbent SB a predetermined height distance to form the lower cavity UH.
  • the slotted sheet SK preferably has one or more clamping parts in order to jam it laterally or laterally with a partial surface, at least one inner wall of the sorption container SB. As a result, a reliable storage protection for the slotted sheet SK can be provided.
  • this slot SL Corresponding to the bottom view of the slotted plate of Figure 6, this slot SL, which follow substantially the course of the winding arranged over the slotted plate coil heater.
  • the slots or passages SL of the slotted plate SK are formed at those locations at which the air flow LS1 entering the sorption container SB in the throughflow direction DSR of the sorbent container SB has a lower velocity is greater, in particular wider or wider, than at those locations in which the air flow LS1 entering the sorption container has a greater velocity in the throughflow direction DSR of the sorption container SB.
  • a substantial homogenization of the local flow cross-sectional profile of the air flow LS2 is achieved, which flows through the sorption container SB from bottom to top in the throughflow direction DSR.
  • homogenizing the local flow cross-sectional profile of the air flow means in particular that essentially the same volume of air passes through the same flow rate at each entry point of a flow area.
  • the coil heater RZ is arranged with a predetermined height clearance in the direction of flow DSR behind the slotted sheet SK. For this purpose, it can be held at a height distance above the passages SL by means of a plurality of sheet metal parts BT, which are web-like. These sheet metal parts BT (see FIG. 6) preferably support the pipe coil heating in their course alternately once from below and once from above. As a result, on the one hand a reliable Lankfund hymn the pipe coil heater HZ on the slotted sheet SK allows. On the other hand are distortions of the slot plate SK, which under the Heat development of the coil heater HZ could occur, largely avoided. Viewed in the direction of flow DSR, the coil heater HZ follows a free space ZR (see FIG.
  • This sorption unit SE has on the input side a lower screen element or grid element US.
  • an output-side, upper screen element or grid element OS is provided.
  • the two screen elements US, OS are preferably arranged parallel to each other in this predetermined height distance H.
  • the sorption material ZEO is filled in such a way that the volume between the two sieve elements US, OS is largely completely filled.
  • the input-side screen element US and the output side screen element OS relative to the vertical center axis of the sorbent SB or based on the flow direction DSR in substantially horizontal planes of position above one another with the predetermined height distance H from each other.
  • the sorption unit SE is formed by a filling volume of sorption material ZEO between a lower sieve element US and an upper sieve element OS.
  • the upper cavity OH for collecting outflowing air is provided above the sorption unit SE. This outflowing air LS2 is led through the outlet AO of the base nozzle STE into the blow-off nozzle ATK, from where it is blown out into the interior of the washing container SPB.
  • slotted sheet SK flow conditioning or flow influencing of the flow LS2 ascending from bottom to top in the direction of flow DSR is performed such that the coil heater is substantially surrounded by substantially the same volume of air flow at each point of its longitudinal course.
  • slotted plate and arranged above pipe coil heater HZ is largely ensured that the air flow LS2 in front of the entrance surface of the lower screen US Sorption unit SE can be heated largely uniformly during the desorption process.
  • the slotted sheet ensures a largely uniform local distribution of the heated air volume flow over the inlet cross-sectional area STF of the sorption unit SE.
  • the slotted sheet SK it may also be expedient to provide a heating device outside of the sorption container BE in the connection section between the fan unit LT and the inlet opening of the sorption container SB. Since the average cross-sectional area of this tubular connecting portion VA is smaller than the average cross-sectional area of the sorbing tank SB for an air flow, the air flow LS1 before it enters the sorption SB can be heated in advance largely uniformly for the desorption process. Then, if necessary, the slotted sheet SK completely eliminated.
  • the heating of the air takes place by means of a heating device in the sorption SB, it may also be appropriate, viewed in the flow direction DSR of the sorbent SB both before and after the heating device HZ at least one
  • the flow cross-sectional area SDF of the sorption material is preferably between 2 and 40 times, in particular between 4 and 30 times, preferably between 5 and 25 times, larger than the average cross-sectional area of the inlet nozzle ES of the air duct LK, with this opens into the inlet opening EO of the sorbent SB.
  • the sorbent material ZEO fills a bulk volume between the lower sieve element US and the upper sieve element OS in such a way that the flow inlet cross-sectional area SDF as well as a
  • Flow outlet sectional area SAF substantially perpendicular to the flow direction DSR, which extends in the vertical direction, having.
  • the lower sieve element US, the upper sieve element OS and the sorption material ZEO interposed therebetween each have mutually congruent penetration surfaces for the air LS2 flowing through. This largely ensures that at any point in the volume of sorption unit SE whose sorption material can be acted upon by about the same volume flow. As a result, during the desorption overheating points and thus any damage to the sorbent ZEO are largely avoided.
  • sorption a uniform absorption of moisture from the air to be dried and thus optimum utilization of the sorption material ZEO provided in the sorption unit SE are made possible.
  • at least one of its lower cavity UH is at least one Flow conditioning SK provided with height distance in front of the heater HZ.
  • a slotted sheet or perforated plate is provided here in the embodiment.
  • the slots SL in the slotted sheet SK essentially follow the winding course of a coil heater HZ, which is positioned with free space above the slits SL in the slotted sheet as a heating device.
  • the slotted plate is arranged substantially parallel to and at a free space distance from the air inlet cross-sectional area SDF of the sorption unit SE of the sorption container SE.
  • Air passages, in particular slits SL, in the flow conditioning element SK are formed at those locations at which the airflow LS1 entering the sorption container SB in the flow direction DSR of the sorbent container SB has a lower velocity than at those locations at which the sorbent container SB enters Air flow LS1 in the flow direction DSR of the sorbent SB has a greater speed.
  • the sorting drying system TS has the following specific flow conditions in the region of the sorption container SB.
  • the air duct LK is coupled to the sorbent vessel SB such that the incoming air flow LS1 enters the sorbent vessel SB with an inflow direction ESR and merges into a different flow direction DSR with which it flows through the interior of the sorbent vessel SB.
  • the outlet flow direction of the air flow LS2 emerging from the sorption container SB essentially corresponds to the throughflow direction DSR.
  • the inlet-side pipe section RA1 of the air duct LK opens into the sorption SB so that its inflow ESR in the flow direction DSR of the sorbent SB, in particular between 45 ° and 135 °, preferably by about 90 °, is deflected.
  • the fan unit LT In the flow direction, in front of the sorption container SB, at least the fan unit LT is inserted into the inlet-side tube section RA1 of the air-guiding channel LK for generating a forced air flow LS1 in the direction of at least one inlet opening EO of the sorbent container SB.
  • the fan unit LT is arranged in the floor assembly BG below the washing container SPB.
  • the flow cross-sectional area SDF for the sorption material ZEO inside the sorption container SB is formed larger than the passage cross-sectional area of the inlet nozzle ES of the air duct LK, with which this in the Inlet EO of the sorbent SB opens.
  • the flow cross-sectional area SDF of the sorption container SB is preferably between 2 and 40 times, in particular between 4 and 30 times, preferably between 5 and 25 times, larger than the passage cross-sectional area of the end-side inlet nozzle ES of the air guide channel LK. with which this opens into the inlet opening EO of the sorbent SB.
  • At least one sorption unit SE with sorption material ZEO is accommodated in the sorption container such that the sorption material ZEO can be flowed through air LS1 essentially in or counter to the direction of gravity, which is led out of the rinsing container SPB into the sorption container SB via the air guidance channel LK.
  • the sorption unit SE of the sorption container SB has at least one lower sieve element or grating element US and at least one upper sieve element or grating element OS at a predefinable height distance H from one another, wherein the volume of space between the two sieve elements or grating elements US, OS is largely completely filled with the sorption material ZEO ,
  • the inlet cross-sectional area SDF and the outlet cross-sectional area SAF of the sorption unit SE of the sorption container SB are in particular selected to be substantially the same size.
  • the inlet cross-sectional area SDF and the outlet cross-sectional area SAF of the sorption unit SE of the sorption container SB are expediently also arranged substantially congruent to one another.
  • the sorption container has, viewed in its throughflow direction DSR, at least one stratification of a lower cavity UH and a sorption unit SE arranged above it and arranged downstream in the flow direction DSR. He has in his lower cavity UH at least one heater HZ.
  • the sorption container SE has, via its sorption unit SE, at least one upper hollow space OH for collecting outflowing air LS2.
  • the sorption material ZEO fills a bulk volume in such a way that a flow inlet cross-sectional area SDF arranged essentially perpendicular to the throughflow direction DSR and a flow exit cross-sectional area SAF arranged largely parallel thereto are formed.
  • the sorption container has in its upper cover part DEL at least one outflow opening AO, which is connected via a passage opening DG in the bottom BO of the washing container SPB with its interior by means of at least one Ausströmbauteils AKT.
  • the sorption material ZEO is stored in the sorption container SB in an advantageous manner in the form of the sorption unit SE, such that essentially every entry point of the passage cross-sectional area SDF of the sorption unit SE can be acted upon by a substantially identical air volume flow value.
  • the sorbent material ZEO is preferably an aluminum and / or silicon oxide-containing, reversibly dehydratable material, silica gel, and / or zeolite, in particular zeolite of type A, X, Y, alone or in any desired combination.
  • the sorption material is expediently provided in the sorption container SB in the form of a granular solid or granules having a multiplicity of particle bodies with a grain size substantially between 1 and 6 mm, in particular between 2.4 and 4.8 mm, the bulk height H the particle body corresponds to at least 5 times its grain size.
  • the sorption material ZEO present as a granular solid or granulate expediently exists in the direction of gravity in the sorption container with a bulk height which corresponds essentially to 5 to 40 times, in particular 10 to 15 times, the particle size of the granular solid or granules.
  • the bed height H of the sorbent material ZEO is preferably selected substantially between 1, 5 and 25 cm, in particular between 2 and 8 cm, preferably between 4 and 6 cm.
  • the granular solid or granules may preferably be formed from a plurality of substantially spherical particle bodies.
  • the sorption material ZEO which is in the form of a granular solid or granulate, advantageously has an average bulk density of at least 500 kg / m 3 , in particular substantially between 500 and 800 kg / m 3 , in particular between 600 and 700 kg / m 3 , in particular between 630 to 650 kg / m 3 , particularly preferably from about 640 kg / m 3 , on.
  • the reversibly dehydratable sorbent material ZEO for absorbing a moisture amount transported in the air flow LS2 is expediently provided with such a weight amount that the amount of moisture absorbed by the sorption material ZEO is less than an amount of liquid applied to the items to be washed, in particular an amount of liquid applied in the final rinse step. is.
  • the reversibly dehydratable sorption material with such a weight amount is provided in the sorption container SB, that this is sufficient to absorb a moisture amount, which corresponds substantially to a wetting amount, with which the items to be washed is wetted after the end of a rinse step.
  • the amount of absorbed water preferably corresponds to between 4 and 25%, in particular between 5 and 15%, of the amount of liquid applied to the items to be washed.
  • sorbent SB a weight amount substantially between 0.2 and 5 kg, in particular between 0.3 and 3 kg, preferably between 0.5 and 2.5 kg, housed in sorbent ZEO.
  • the sorption material ZEO in particular has pores preferably with a size substantially between 1 and 12 angstroms, in particular between 2 and 10, preferably between 3 and 8 angstroms.
  • a sorption material is provided, which is desorbable at a temperature substantially in the range between 80 ° and 450 0 C, in particular between 220 ° and 250 0 C.
  • the air duct, the sorption, and / or one or more additional flow influencing elements are suitably designed such that by the sorbent for its sorption and / or desorption an air flow with a flow rate substantially between 2 and 15 l / sec, in particular between 4 and 7 l / sec is effected.
  • the sorption material ZEO is assigned at least one heating device HZ with which an equivalent heating power between 250 and 2500 W, in particular between 1000 and 1800 W, preferably between 1200 and 1500 W, can be provided for heating the sorption material for its desorption is.
  • the ratio of heating power of at least one heating device, which is assigned to the sorption material for its desorption, and air volume flow of the air flow flowing through the sorbent material between 100 and 1250 W sec / l, in particular between 100 and 450 W sec / l, preferably between 200 and 230 W sec / l, selected.
  • the bed height H of the sorption material ZEO is essentially constant over the inlet cross-sectional area SDF of the sorbent container SB.
  • the sorption material for absorbing an amount of water essentially between 150 and 400 ml, in particular between 200 and 300 ml, in the sorption container SB.
  • At least one thermal overheating protection device TSI (see FIGS. 4, 6, 8, 9) is provided for at least one component of the sorption drying system TS.
  • a component may preferably be formed by a component of the sorbent container SB.
  • At least one thermal overheating protection device TSI can be assigned to this component.
  • This thermal overheat protection device TSI is mounted on the outside of the sorption SB.
  • As thermal overheating protection device at least one electrical temperature protection unit is provided. It is assigned here in the embodiment of the heating device HZ, which is housed in the sorption SB.
  • the electrical temperature protection unit is provided in the embodiment of Figures 4, 6, 8 and 9 in an outside indentation EBU on the inner housing IG of the sorbent SB in the high altitude range of the heater HZ. It comprises at least one electrical thermal switch TSA and / or at least one fuse SSI (see FIG. 17).
  • the electrical thermal switch TSA and / or the fuse SSI of the electrical temperature protection unit TSI are respectively, preferably in series, in at least one power supply line UB1, UB2 the heater HZ inserted (see Figure 8).
  • At least one control device HE, ZE (see FIG. 16), which in particular interrupts the energy supply to the heating device HZ in the event of a fault.
  • An error case is formed for example by exceeding an upper temperature limit.
  • the largely freely suspended suspension of the sorption container in particular below the bottom BO of the washing container SPB, can also be used.
  • the thermal overheating protection device may further comprise a mounting of the sorption container SB such that the sorption container SB has a predetermined minimum gap distance LSP with respect to adjacent components and / or parts of a base assembly BG.
  • At least one outer housing AG may be provided in addition to the inner housing IG of the sorption container SB, in addition to or independently of the above measures, at least in the region of the sorption unit SE of the sorption container SB. Between the inner housing IG and the outer housing AG while an air gap clearance LS is present as a thermal insulation layer.
  • the coil heater HZ of Figures 4, 7, 8, 9 has two terminal poles AP1, AP2, which are guided through corresponding passage openings in the housing of the washing SB to the outside.
  • Each terminal pin AP1, AP2 is preferably connected in series with an overheat protection element.
  • the overheat protection elements are combined in the temperature fuse unit TSI, which is arranged on the outside of the housing of the sorption container SB in the vicinity of the two pole pins AP1, AP2.
  • FIG. 17 shows the overheating protection circuit for the coil heater HZ of FIG. 8.
  • the first bypass cable UB1 is attached to the first, rigid pole pin AP1 by means of a welded connection SWE1.
  • the second, rigid Polw AP2 by means of a welded joint SWE2 the second bridging line UB2 attached.
  • the bridging line UP2 is electrically contacted with the thermal switch TSA.
  • the bridging line UB1 is electrically connected to the thermoelectric fuse SSI via a plug contact SV3.
  • a first power supply line SZL1 is connected via a plug-in connection SV1 to a connection lug AF1 of the fuse element SSI guided to the outside.
  • a second power supply line SZL2 is connected via a plug connection SV2 to the outwardly guided connection lug AF2 of the thermal switch element TSA.
  • the second power supply line SZL2 forms a neutral, while the first power supply line SZL1 can be a "live phase.”
  • the thermal switch TSA opens as soon as a first upper limit for the temperature of the coil heater HZ is exceeded If, however, a critical upper limit of the upper limit for the coil heater HZ is reached, the SSI fuse melts and the circuit for the coil heater HZ is permanently interrupted
  • the temperature-protection device TSI is in largely intimate, heat-conducting contact with the inner housing IG of the sorption container and can be triggered separately from each other if certain, specifically assigned, upper temperature limits are exceeded the.
  • the outlet connection AKT which is connected to the outlet opening AO in the base SO of the sorbent container SB, passes through the through-opening GK of the bottom BO, preferably in a corner region EBR of the washing container SPB, which passes outside of the spray arm SA Rotation surface is located.
  • the outflow nozzle AKT protrudes from the bottom BO to a position in the interior of the washing container SPB, which lies outside the area of rotation detected by the lower spray arm SA.
  • the exhaust gas nozzle or the outlet connection AKT is covered or slipped over along its upper end section by a splash guard SH.
  • the splash guard SH slips over the outflow nozzle AKT umbrella-like or mushroom-like. It is viewed from above.
  • the splash guard SH is shown schematically in the figure 12 viewed from above.
  • the transition zones GF, URA it has convexly curved flattenings GF (see FIG. 13) between its largely plane-surface top side and its substantially vertically downwardly projecting side walls (viewed from the inside outward). If a spray jet from the spray arm SA meets these edge zones flattened or arched transition zones GF, URA, then this film pours largely over the entire area over the splash guard SH and cools it during the desorption process.
  • a lower edge zone UR of the semicircular cylinder-section-like side wall of the splash guard SH is curved toward the inside in the direction of the outflow AKT or arched. This is clearly evident from FIG.
  • a circumferential, radially outwardly projecting spray water deflector element or shielding element PB, in particular baffle plate is provided in the area of the upper edge of the outflow connecting piece AKT. This is radially outward into the gap or gap between the circular cylindrical outflow AKT and the inner wall of the splash guard SH from.
  • the outwardly projecting shielding element PB is supported in the embodiment of Figure 13 at individual peripheral points of its outer edge by means of web elements SET with respect to the inner wall of the circumferential in the form of a ring segment portion side wall of the splash guard SH.
  • the splash guard SH is arranged with respect to the outlet connection AKT with a free height distance to form a free space or cavity.
  • FIG 14 shows the splash guard SH viewed from below together with the outflow AKT.
  • the shielding element PB shields the outlet opening of the Outflow nozzle AKT as laterally or laterally projecting edge or web substantially all around.
  • the shielding element PB closes off the underside of the splash guard SH in the region of the rectilinear side wall facing the spray arm SA. Only in the semicircular curved portion of the splash guard SH between the shielding PB and the radially offset, outside concentrically arranged side wall of the splash guard SH a gap clearance LAO is released, through which the air from the outflow AKT can flow into the interior of the sump SPB.
  • the gap clearance LAO is formed substantially sickle-like.
  • the air flow LS2 is thereby forced to a deflection ALS, which deflects it from its vertical upward flow direction downwards, where it can emerge only through the crescent-shaped, partial circle portion-shaped gap clearance LAO in the lower part of the splash guard SH.
  • the outflow AKT is expediently with such a height HO from the bottom BO from that its upper edge is higher than the level of intended for a rinsing process target total amount of rinsing or - foam amount.
  • the outflow element AUS which is mounted on the output side of the sorption container SB and projects into the interior of the rinse container SPB, is thus expediently designed such that the air flow LS2 emerging from it is directed away from the spray arm SA.
  • the outflowing airflow LS2 is directed into a rearward corner area between the rear wall RW and the adjacent side wall SW of the washing compartment. In this way it is largely avoided that spray water or foam during cleaning or other flushing through the opening of the Ausströmstutzens can get into the interior of the sorption. This could impair or even nullify the desorption process.
  • sorbent material could be permanently damaged by flushing liquid.
  • At least one outflow device AUS which is connected to at least one outflow opening AO of the sorbent container SB, arranged in the interior of the washing container SPB, the air blown out of her LS2 of at least one housed in the washing container SPB sprayer SA is largely directed away.
  • the outflow device AUS is arranged outside the working range of the spray device SA.
  • the spraying device may, for example, be a rotating spray arm SA.
  • the outflow device AUS is preferably provided in a rear corner region EBR between the rear wall RW and an adjacent side wall SW of the washing container SPB.
  • the outflow device AUS has a blow-out opening ABO with a height clearance HO above the bottom BO of the rinse container SPB, which is higher than the level of a set rinse bath total amount provided for a rinse operation.
  • the outflow device AUS comprises a discharge connection AKT and a splash protection cover SH.
  • the splash guard SH has a geometry which has the blow-out opening ABO of the outflow nozzle AKT.
  • the splash guard SH is slipped over the outflow AKT so that a downwardly flowing forced flow path ALS can be impressed by the outflow port AKT from the sorbent SB with an ascending flow direction high after air emerging from the exhaust port ABO of the outflow.
  • the above the bottom BO of the washing container SPB upwardly projecting outflow AKT is coupled to the connection piece STE on the cover part DEL of the arranged under the bottom BO sorption SB.
  • the splash guard SH is designed to be closed on its upper side and underside in its housing area GF facing the spraying device SA.
  • the splash guard SH covers the blow-off opening ABO of the outlet connection AKT with an upper free space.
  • the outflow branch AKT has an upper, outwardly curved edge or circumferential collar KR.
  • the splash guard SH envelopes an upper end portion of the outflow AKT such that between its inner wall and the outer wall of the outflow AKT a clearance SPF is formed.
  • the gap SPF between the splash guard SH and the outflow AKT is formed such that an Luftausströmweg ALS is provided from the outflow AKT, which is directed away from the spray SA in the washing container SB.
  • a projecting into the gap SPF SPITZ Spritzwasserabweiselement is provided at the outflow AKT a projecting into the gap SPF SPITZ Spritzementabweiselement is provided.
  • a lower edge zone UR of the splash guard SH is curved inwards.
  • the splash guard SH has such a rounded outer surface, that it can pour an incident spray of the spray SA to film over its surface.
  • FIG. 15 shows a schematic longitudinal sectional illustration of the fixing of the inlet-side end-face end section ET of the air-guiding channel LK in the region of the outlet opening ALA in the side wall SW of the washing container SPB of FIG. 2.
  • the end-side end section ET of the air-guiding channel LK projects into the interior of the washing container SPB in such a way that in that a collar edge protruding vertically against the side wall SW is formed.
  • This has an internal thread SG.
  • an annular inlet element IM is screwed with an external thread. It thus acts as a fixing element for holding the end portion ET.
  • This annular fixing element has a toroidal, round receiving chamber for a sealing element DI2.
  • This sealing element DI2 seals an annular gap between the outer edge of the inlet-side, end-side end section ET of the air duct LK and the fixing element.
  • the fixing element is formed here in the exemplary embodiment in particular by a union nut-like screw ring, which is bolted to the inlet side, front end portion ET of the air duct LK.
  • the annular fixing element IM a central passage MD, can be sucked through the air LU from the interior of the washing container SPB.
  • At least one rib-shaped engagement protection in / or in front of the inlet opening MD of the inlet-side tube section ET of the air-guiding channel LK, which has freely continuous gaps between its engagement ribs RIP for the inflow of air from the rinsing container.
  • these ribs RIP are indicated by dash-dotted lines.
  • FIG. 16 shows a schematic top view of the floor assembly BG.
  • the fan unit LT the sorption tank SB, the circulation pump UWP, etc.
  • it comprises a main control unit HE for controlling and checking it.
  • the heating device HZ of the sorption container SB is also regulated for its desorption process by means of at least one control device. This is formed here in the embodiment by an additional control device ZE. It serves to the Disconnect the power supply line SZL to the heating device HZ as required or connect it through.
  • the additional control device ZE is of the
  • Main controller HE controlled from a bus line BUL.
  • Main controller HE is a power supply line SVL for
  • Additional control device ZE out It also controls the fan unit LT via a control line SLL.
  • the power supply line of the fan unit LT can also be integrated in the control line SLL.
  • At least one temperature sensor TSE (see FIG. 2), which supplies corresponding measurement signals for the temperature in the interior of the washing compartment to the main control unit, is also connected to the main control unit HE via a signal line.
  • the temperature sensor TSE is suspended between stiffening ribs VR (see FIG. 3) in the intermediate space between the two legs of the inlet-side pipe section RA1 of the air duct LK. In this case, it is brought into contact with the side wall SW of the washing container SPB.
  • the main control device HE simultaneously activates the additional control device ZE via the bus line BUL in such a way that an electrical voltage is applied to the pole pins AP1, AP2 of the heating device HZ via the current connection line SZL.
  • the main control unit HE can determine via the measuring signals of the temperature sensor, it can instruct the additional control unit ZE via the bus line BUL to remove the voltage at the power supply line SZL and thereby the heating device HZ completely switch off.
  • the desorption process for the sorbent material in the sorption tank to be terminated.
  • an operator of the dishwasher may provide the option of activating or deactivating the sorption drying system TS via the activation or deactivation of a specially provided program key or corresponding selection of a program menu.
  • a program key or a program menu item PG1 is shown, which uses a control line SL1 Control signals SS1 of the control logic HE corresponding activation or deactivation signals to turn on and off the Sorptionstrockensystems TE.
  • a first selection key for selecting a program variant "energy” or "sorption operation” can be provided in the control panel of the dishwasher.
  • This program focuses on saving energy. This is achieved in that the rinse process is not heated at all by means of a continuous flow heater and the drying of the items to be washed, in particular of the dishes, is effected solely by means of the sorption drying system TS.
  • Another button “Drying capacity” may be provided in the control panel of the dishwasher, which increases the fan run time of the fan unit. As a result, an improved drying of all crockery parts can be achieved.
  • a further "program run time” key may be provided If the sorption drying system is switched on, the program run time may be reduced compared to conventional drying systems (without sorption drying) By increasing the motor speed of the circulating pump, the running time during cleaning can be further shortened Furthermore, by increasing the rinsing temperature, the drying time can be further shortened.
  • an operating button with the function "influencing the cleaning performance” can be provided. that at the same time the sorption process is started during the cleaning process and thereby hot air, which is loaded with a leaked from the sorbent amount of water, enters the washing, heating energy can be saved for heating a desired Spülbad- total liquid quantity.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

Selon l'invention, le dispositif de séchage (TE) d'un lave-vaisselle (GS) comprend au moins une cuve de sorption (SB) contenant une matière de sorption à déshydratation réversible (ZEO). Cette cuve est reliée par au moins un canal de ventilation (LK) à une cuve de lavage (SPB) du lave-vaisselle. Pour au moins un composant (HZ) du dispositif de séchage (TE), il est prévu au moins un dispositif de protection de surchauffe thermique (TSI).
PCT/EP2009/060258 2008-08-27 2009-08-07 Lave-vaisselle présentant un dispositif de séchage par sorption WO2010023085A1 (fr)

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DE200810039886 DE102008039886A1 (de) 2008-08-27 2008-08-27 Geschirrspülmaschine mit Sorptionstrockenvorrichtung
DE102008039886.1 2008-08-27

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EP2583615B1 (fr) * 2011-10-19 2013-12-11 Miele & Cie. KG Lave-vaisselle automatique

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DE8026931U1 (de) * 1980-10-08 1982-02-04 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Einrichtung zum erwaermen von spuelfluessigkeit und luft in einer geschirrspuelmaschine
EP0358279A1 (fr) * 1988-09-09 1990-03-14 Bauknecht Hausgeräte GmbH Dispositif de séchage de la vaisselle dans un lave-vaisselle
DE4340065A1 (de) * 1993-11-24 1995-06-01 Bosch Siemens Hausgeraete Verfahren zum Regenerieren eines hygroskopischen Materials in einem Wäschetrockner
DE10353774A1 (de) * 2003-07-30 2005-02-24 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
WO2006061280A1 (fr) * 2004-12-09 2006-06-15 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle et procede d'exploitation correspondant
WO2006061287A1 (fr) * 2004-12-09 2006-06-15 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle a dispositif de sechage a sorption

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US3034221A (en) * 1957-10-11 1962-05-15 Gen Motors Corp Clothes drier having absorbent bed
DE8026931U1 (de) * 1980-10-08 1982-02-04 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Einrichtung zum erwaermen von spuelfluessigkeit und luft in einer geschirrspuelmaschine
EP0358279A1 (fr) * 1988-09-09 1990-03-14 Bauknecht Hausgeräte GmbH Dispositif de séchage de la vaisselle dans un lave-vaisselle
DE4340065A1 (de) * 1993-11-24 1995-06-01 Bosch Siemens Hausgeraete Verfahren zum Regenerieren eines hygroskopischen Materials in einem Wäschetrockner
DE10353774A1 (de) * 2003-07-30 2005-02-24 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
WO2006061280A1 (fr) * 2004-12-09 2006-06-15 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle et procede d'exploitation correspondant
WO2006061287A1 (fr) * 2004-12-09 2006-06-15 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle a dispositif de sechage a sorption

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