EP2268184B1 - Water-bearing domestic appliance - Google Patents
Water-bearing domestic appliance Download PDFInfo
- Publication number
- EP2268184B1 EP2268184B1 EP09724289.5A EP09724289A EP2268184B1 EP 2268184 B1 EP2268184 B1 EP 2268184B1 EP 09724289 A EP09724289 A EP 09724289A EP 2268184 B1 EP2268184 B1 EP 2268184B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- domestic appliance
- appliance according
- bearing
- carrier element
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 10
- 239000007921 spray Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004851 dishwashing Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 240000001439 Opuntia Species 0.000 description 1
- 235000004727 Opuntia ficus indica Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
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
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4219—Water recirculation
- A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
Definitions
- the invention relates to a water-conducting household appliance according to the preamble of claim 1.
- controllable components such as, for example, of display elements or as actuators serving electric motors or solenoids in water-conducting household appliances, such as. Dishwashing or washing machines, are well known.
- a distributor or a water diverter is used, with which the upper and lower spray arms can be alternately applied during a rinse cycle in alternating operation with rinsing liquid.
- the electric actuator is mounted on a carrier element on the housing of the actuator.
- an electric motor connected via electrical lines with a corresponding connector.
- a corresponding dishwasher is, for example, by the EP 1 728 461 A1 discloses, wherein the dishwasher has a water diverter with a removable cover element.
- the cover element on which, for example, an electric motor and an actuator for operating the water switch can be arranged, it is possible to adapt the dishwasher to the respective requirements, without having to replace the entire water switch.
- a position detection switch associated with the actuator may be in signal communication with an electrical control device via electrical leads.
- the assembly of the actuator on the housing of the actuator is therefore designed consuming and expensive assembly technology.
- the object of the invention is to provide a domestic appliance, in particular a dishwasher, in which the actuator assembly technology is easy to mount on the housing of the actuator.
- the invention relates to a water-conducting household appliance, in particular dishwashing or washing machine, at least comprising a water diverter for distributing rinsing liquor, which has at least one carrier element to which an actuator is attached.
- the solution according to the invention is characterized in that the carrier element is a casting part produced in the plastic injection molding process, in which conduit means for driving the component are cast.
- the line means are accordingly designed for the transmission of electrical control signals or electrical energy or for the transmission of optical control signals.
- the electrical lines are integrated in the support element or already pre-positioned therein.
- an actuator on the support member thus the terminals of the actuator can be automatically brought into electrical contact with the pre-positioned on the carrier element terminals of the electrical lines.
- Vergussteil with appropriate properties for the transmission of optical signals as a carrier element use.
- the carrier element is produced in the plastic injection molding process, in which the electrical lines are cast in the carrier element.
- the electrical lines can thereby be easily manufactured from at least one sheet metal blank and / or bent.
- the punched sheet metal blank is then inserted as an insert in a plastic injection molding chamber and molded with plastic injection molding material.
- the embedded in the plastic material electrical lines can be exposed with their contact points of the plastic material be, of which a first contact point on the actuator can be connected and a second contact point is connected to a power supply plug.
- the actuator can be assigned a position detection switch with which an electronic control device detects the rotational position of a drive shaft of the actuator.
- the switch is actuated upon rotation of the drive shaft.
- the switch is brought as an additional component, such as a micro-switch, in operative connection with the actuator.
- the position detection switch according to the invention can be embodied in a production technology particularly simple manner by two switch contact points which can be contacted with one another of the electrical lines embedded in the carrier element.
- the support element may have a plastic-free space in which the switch is arranged.
- the respective switch contact points of the electrical lines protrude from the boundary walls of the free space.
- the arrangement within the free space, the switch pads are protected from external influences that can lead to a switch malfunction.
- To further increase the reliability of the space formed in the support element space for the switch pads can be closed circumferentially.
- the fixed contact points in the carrier element of the embedded therein electrical lines can be designed for a tolerance compensation as a resilient contact legs.
- the contact legs may additionally have infiltrations to further increase their flexibility.
- the support member may have a large area, plate-shaped support portion for dimensionally stable training, on which the actuator is arranged and the periphery may be limited by a stiffening wall.
- the plate-shaped support portion of the support member may preferably be embedded, the electrical lines.
- the above-mentioned position detection switch may be preferably operated by a cam member associated with the drive shaft of the actuator. Its cams can actuate the position detection switch upon rotation of the drive shaft.
- the drive shaft of the actuator is not located directly on the actuator, such as a distributor disc, but spaced therefrom.
- the actuator can abort on the actuator via an additional gear train.
- the gear elements, such as gears, the gear train may be mounted on a bearing portion of the support member.
- the bearing section can in turn be formed of the same material and integrally on the carrier element.
- the carrier element can thus bear in multiple function bearing sections for the gear train, the electrical lines and / or the position detection switch.
- a first gear element of the gear train can be seated on the drive shaft of the actuator.
- a second transmission element connected thereto can be seated on a power output shaft driving the actuator.
- the cam element for actuating the position detection switch can be embodied in the same material and / or in one piece with one of the gear elements.
- the bearing portion of the support member may be exemplified a bearing journal on which a hub portion of the transmission element is rotatably mounted.
- the bearing portion may be a hollow cylindrical bearing shaft, on the inner wall of which the hub portion of the gear element is rotatably mounted.
- the carrier element may have at least one latching element with which the actuator can easily be latched onto the carrier element in terms of assembly technology.
- the carrier element may additionally be designed shell-shaped and / or, together with the actuator housing, an outward-facing Limit closed transmission space in which the above-mentioned gear train can be arranged.
- the actuator may be a rotatably actuable distributor disk of a water distributor or a distributor arranged in the hydraulic circuit of a dishwasher. Depending on the switching state of the water switch, a lower or upper spray arm in the washing container of the dishwasher can thus be subjected to flushing liquid.
- FIG. 1 is roughly schematically shown a dishwasher with a washing container 1, in which not shown items to be washed in dish racks 3, 5 can be arranged.
- a washing container 1 shown two spraying arms 7, 9 provided in different spraying levels are arranged by way of example, with which the washware to be cleaned is supplied with washing liquid.
- Below the Spül electerteil a pump pot with associated circulating pump 13 is provided, which fluidly connected via fluid lines 14, 15, 16 with the spray arms 7, 9 is.
- the sump 11 is also connected via connecting pieces with a fresh water supply line 17 coupled to the water supply network and a discharge line 18 in which a sump pump 19 for pumping out contaminated rinsing liquid from the rinsing container 1 is arranged.
- a water distributor or a distributor 20 Downstream of the circulation pump 13 is located in the liquid line 14, a water distributor or a distributor 20, via the during the rinse cycle of the dishwasher, the upper and the lower spray arm 7, 9 are acted upon in alternating operation with rinsing liquid.
- the Indian Fig. 1 Generally illustrated as a switching valve distributor 20 is switchable between two switching states. In the first, in the Fig. 1 shown switching state, the liquid line 15 is released to the lower spray arm 9 during the wash cycle, while the liquid line 16 is decoupled to the upper spray arm 7 from the hydraulic circuit. In the second switching state, in contrast, the liquid line 16 is released to the upper spray arm 7, while the liquid line 15 is decoupled from the hydraulic circuit.
- the distributor 20 is associated with an electric actuator 23, which switches the distributor 20 between the two switching states.
- Fig. 2 is an exploded view of a distributor housing half 26 of the manifold 20 mounted thereon actuator 23, which is here an electric motor.
- the distributor housing half 26 is in the Fig. 2 formed in approximately pot-shaped with downwardly open hollow profile.
- a distributor disk 21 is rotatably mounted as an actuator, the rotational position of which is adjustable by means of the actuator 23.
- the distributor disc 21 has control openings 27 which can respectively overlap outlet openings, not shown, of the other distributor housing half, whereby the first or second liquid line 15, 16 can be released to the spray arms 7, 9.
- distributor housing half 26 is formed a connecting piece 28 to which the coming of the circulating pump 13 fluid line 14 can be connected.
- the actuator 23 is according to the Fig. 2 via an inventive carrier element 29 to the distributor housing half 26 via indicated screw 30 is mounted.
- the carrier element 29 is shown in isolation.
- the support element 29 is a plastic part produced in the plastic injection molding process, in which electrical leads 31, 32, 33 are cast as separate sheet metal platinum parts.
- the lines 31, 32, 33 are in the Fig. 4 shown in isolation.
- the sheet metal platinum parts 31, 32 as first contact points for connection to the contact tongues 34 of the actuator 23 (FIG. Fig. 2 ) each upturned, resilient contact legs 35.
- the contact legs 35 are therefore designed to be flexible overall for a tolerance compensation with the assembled actuator 23.
- the two sheet metal plate elements 31, 32 are connected to a flat connector, not shown, for power supply.
- the carrier element 29 has according to the Fig. 3 a plate-shaped, large-area support portion 38, projecting from the plane of the two contact legs 35.
- the support portion 38 is surrounded by an outer boundary wall 39, in the opposite flexible locking tabs 40 are formed, the side latching tongues 41 of the electric motor 43 can set.
- the exposed contact points 35, 37, 51, 52 are connected by flat sheet metal sections 56, 57 of the electrical lines. These sheet metal sections 56, 57 all extend in the support section 38 of the carrier element 29, parallel to one another and at a distance a over a majority of the support section 38.
- the sheet metal sections 56, 57 cast in the carrier element 29 increase the dimensional stability of the carrier element 29 overall.
- the support member 29 is formed with its peripheral boundary wall 39 is approximately cup-shaped and sits with the boundary wall 39 on the only dashed lines indicated outside of the distributor housing half 26.
- gear chamber 55 is according to the Fig. 5 a gear train with gears 42, 43 arranged.
- the gear train connects the drive shaft 44 of the actuator 23 with a distributor disk 21 lubbetätigbaren power take-off shaft 45.
- the support member 29 For storage of the two gears 42, 43, the support member 29 as a bearing portions hollow cylindrical bearing shaft 46 and a bearing pin 47, both of the same material and in one piece Carrier element 29 are integrally formed.
- water discharge openings 59 are provided in the support member 29, is passed through the leakage water from the gear chamber 55.
- the openings 59 are arranged centrally around the bearing pin 47 in the carrier element 29.
- the toothed wheel 42 In its hub region, the toothed wheel 42 has a hollow shaft 58, which sits positively on an outer toothing of the drive shaft 44. With its outer circumference, the central hollow shaft 58 of the gear 42 is in sliding contact with the bearing shaft 46.
- the gear 42 is cup-shaped in profile with a raised peripheral wall, at the upper peripheral edge of an annular cam member 48 is formed, the cam actuate a rotational position detection switch 49 described later can.
- the gear 42 meshes with the gear 43, the hollow cylindrical hub portion is in sliding contact on the bearing pin 47 of the support member 29.
- the hub portion of the gear 43 merges in the axial direction down into the power take-off shaft journal 45, on the outer toothing form fit the distributor disc 21 sits.
- the control device 25 of the dishwasher receives feedback about the rotational position of the distributor disc 21 Fig. 5 two opposite switch contact points, which are each formed on freely resilient contact legs 51, 52 of the two lines 31 and 33.
- the switch 49 with its two contact legs 51, 52 is according to the Fig. 3 provided in the region of a window-like free space 53 within the support portion 38 of the support member 29. Consequently, the two lines 31, 33 with their contact legs 51, 52 led out of the boundary walls 50 of the free space 39, resulting in a total of a vibration or other interference resistant switch device results.
- the contact leg 52 in this case has an embossed contact surface 54 against which the cams of the annular cam disc 48 can start and thus close a switching contact between the two contact legs 51, 52.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Water Supply & Treatment (AREA)
- Washing And Drying Of Tableware (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Multiple-Way Valves (AREA)
Description
Die Erfindung betrifft ein wasserführendes Haushaltsgerät nach dem Oberbegriff des Patentanspruches 1.The invention relates to a water-conducting household appliance according to the preamble of
Der Einsatz von ansteuerbaren Bauteilen, wie bspw. von Anzeigenelementen oder als Aktuatoren dienender elektrischer Motoren oder Elektromagnete in wasserführenden Haushaltsgeräten, wie bspw. Geschirrspül- oder Waschmaschinen, sind allgemein bekannt. So wird in einer Geschirrspülmaschine als Stellglied ein Verteiler bzw. eine Wasserweiche eingesetzt, mit der die oberen und unteren Sprüharme während eines Spülganges abwechselnd im Wechselbetrieb mit Spülflüssigkeit beaufschlagt werden können.The use of controllable components, such as, for example, of display elements or as actuators serving electric motors or solenoids in water-conducting household appliances, such as. Dishwashing or washing machines, are well known. Thus, in a dishwasher as an actuator, a distributor or a water diverter is used, with which the upper and lower spray arms can be alternately applied during a rinse cycle in alternating operation with rinsing liquid.
In einem solchen gattungsgemäßen Haushaltsgerät, insbesondere Geschirrspülmaschine, ist der elektrische Stellantrieb über ein Trägerelement am Gehäuse des Stellglieds montiert. Zur Stromversorgung ist der Stellantrieb, üblicherweise ein Elektromotor, über elektrische Leitungen mit einem entsprechenden Anschlussstecker verbunden.In such a generic household appliance, in particular dishwasher, the electric actuator is mounted on a carrier element on the housing of the actuator. To power the actuator, usually an electric motor, connected via electrical lines with a corresponding connector.
Eine entsprechende Geschirrspülmaschine wird beispielsweise durch die
Außerdem kann ein dem Stellantrieb zugeordneter Positionserkennungsschalter über elektrische Leitungen in Signalverbindung mit einer elektrischen Steuereinrichtung sein. Die Montage des Stellantriebs am Gehäuse des Stellglieds gestaltet sich daher bauteilaufwendig sowie montagetechnisch aufwendig.In addition, a position detection switch associated with the actuator may be in signal communication with an electrical control device via electrical leads. The assembly of the actuator on the housing of the actuator is therefore designed consuming and expensive assembly technology.
Die Aufgabe der Erfindung besteht darin, ein Haushaltsgerät, insbesondere eine Geschirrspülmaschine, bereitzustellen, bei der der Stellantrieb montagetechnisch einfach am Gehäuse des Stellglieds montierbar ist.The object of the invention is to provide a domestic appliance, in particular a dishwasher, in which the actuator assembly technology is easy to mount on the housing of the actuator.
Die Aufgabe ist durch die Merkmale des Patentanspruches 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen offenbart.The object is solved by the features of
Die Erfindung geht aus von einem wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine, wenigstens aufweisend eine Wasserweiche zur Verteilung von Spülflotte, die wenigstens ein Trägerelement aufweist, an dem ein Stellantrieb befestigt ist.The invention relates to a water-conducting household appliance, in particular dishwashing or washing machine, at least comprising a water diverter for distributing rinsing liquor, which has at least one carrier element to which an actuator is attached.
Die erfindungsgemäße Lösung ist dadurch gekennzeichnet, dass das Trägerelement ein im Kunststoffspritzgussverfahren hergestelltes Vergussteil ist, in dem Leitungsmittel zum Ansteuern des Bauteils eingegossen sind.The solution according to the invention is characterized in that the carrier element is a casting part produced in the plastic injection molding process, in which conduit means for driving the component are cast.
Die Leitungsmittel sind dementsprechend zur Übertragung elektrischer Steuersignale oder elektrischer Energie oder auch zur Übertragung optischer Steuersignale ausgebildet.The line means are accordingly designed for the transmission of electrical control signals or electrical energy or for the transmission of optical control signals.
Daher sind die elektrischen Leitungen im Trägeelement integriert bzw. bereits darin vorpositioniert. Bei lagerichtiger Montage z.B. eines Stellantriebs am Trägerelement können somit die Anschlüsse des Stellantriebs automatisch in elektrischen Kontakt mit den am Trägerelement vorpositionierten Anschlüssen der elektrischen Leitungen gebracht werden. Es kann jedoch auch ein Vergussteil mit entsprechenden Eigenschaften zur Übertragung von optischen Signalen als Trägerelement Verwendung finden.Therefore, the electrical lines are integrated in the support element or already pre-positioned therein. When mounted correctly, e.g. an actuator on the support member thus the terminals of the actuator can be automatically brought into electrical contact with the pre-positioned on the carrier element terminals of the electrical lines. However, it can also find a Vergussteil with appropriate properties for the transmission of optical signals as a carrier element use.
Erfindungsgemäß ist das Trägerelement im Kunststoffspritzgussverfahren hergestellt, in dem die elektrischen Leitungen im Trägerelement eingegossen werden. Die elektrischen Leitungen können dabei fertigungstechnisch einfach aus zumindest einer Blechplatine gestanzt und/oder gebogen werden. Die ausgestanzte Blechplatine wird dann als Einlegeteil in eine Kunststoffspritzgusskammer eingelegt und mit Kunststoffspritzgussmaterial umgossen. Die im Kunststoffmaterial eingebetteten elektrischen Leitungen können mit ihren Kontaktstellen vom Kunststoffmaterial freigelegt sein, von denen eine erste Kontaktstelle am Stellantrieb anschließbar ist und eine zweite Kontaktstelle an einem Stromversorgungsstecker anschließbar ist.According to the invention, the carrier element is produced in the plastic injection molding process, in which the electrical lines are cast in the carrier element. The electrical lines can thereby be easily manufactured from at least one sheet metal blank and / or bent. The punched sheet metal blank is then inserted as an insert in a plastic injection molding chamber and molded with plastic injection molding material. The embedded in the plastic material electrical lines can be exposed with their contact points of the plastic material be, of which a first contact point on the actuator can be connected and a second contact point is connected to a power supply plug.
In einer weiteren Ausführungsform kann dem Stellantrieb ein Positionserkennungsschalter zugeordnet sein, mit dem eine elektronische Steuereinrichtung die Drehposition einer Antriebswelle des Stellantriebs erfasst. Hierzu wird der Schalter bei einer Drehung der Antriebswelle betätigt. Der Einsatz solcher Schalter zur Drehpositionserfassung ist allgemein bekannt. Üblicherweise wird der Schalter als zusätzliches Bauteil, etwa ein Mikroschalter, in Wirkverbindung mit dem Stellantrieb gebracht. Der Positionserkennungsschalter kann erfindungsgemäß in einer fertigungstechnisch besonders einfachen Weise durch zwei miteinander kontaktierbare Schalterkontaktstellen der im Trägerelement eingebetteten elektrischen Leitungen ausgeführt sein.In a further embodiment, the actuator can be assigned a position detection switch with which an electronic control device detects the rotational position of a drive shaft of the actuator. For this purpose, the switch is actuated upon rotation of the drive shaft. The use of such switches for rotational position detection is well known. Usually, the switch is brought as an additional component, such as a micro-switch, in operative connection with the actuator. The position detection switch according to the invention can be embodied in a production technology particularly simple manner by two switch contact points which can be contacted with one another of the electrical lines embedded in the carrier element.
Für eine störungsfreie Funktion des Schalters ist es zweckmäßig, den Schalter geschützt vor betriebsbedingten Störeinflüssen, etwa Vibrationen, Wasser, etc., anzuordnen. Für eine solche geschützte Anordnung kann das Trägerelement einen kunststofffreien Freiraum aufweisen, in dem der Schalter angeordnet ist. Bevorzugt ragen aus den Begrenzungswänden des Freiraums die jeweiligen Schalterkontaktstellen der elektrischen Leitungen. Durch die Anordnung innerhalb des Freiraumes sind die Schalterkontaktstellen geschützt vor äußeren Einflüssen, die zu einer Schalter-Fehlbetätigung führen können. Zur weiteren Steigerung der Betriebssicherheit kann der im Trägerelement ausgebildete Freiraum für die Schalterkontaktstellen umfangsseitig geschlossen sein.For trouble-free operation of the switch, it is expedient to protect the switch against operational disturbances, such as vibrations, water, etc., to arrange. For such a protected arrangement, the support element may have a plastic-free space in which the switch is arranged. Preferably, the respective switch contact points of the electrical lines protrude from the boundary walls of the free space. The arrangement within the free space, the switch pads are protected from external influences that can lead to a switch malfunction. To further increase the reliability of the space formed in the support element space for the switch pads can be closed circumferentially.
Die im Trägerelement festgelegten Kontaktstellen der darin eingebetteten elektrischen Leitungen können für einen Toleranzausgleich als federnde Kontaktschenkel ausgeführt sein. Die Kontaktschenkel können zusätzlich zur weiteren Erhöhung ihrer Flexibilität Einsickungen aufweisen.The fixed contact points in the carrier element of the embedded therein electrical lines can be designed for a tolerance compensation as a resilient contact legs. The contact legs may additionally have infiltrations to further increase their flexibility.
Das Trägerelement kann zur formstabilen Ausbildung einen großflächigen, plattenförmigen Tragabschnitt aufweisen, auf dem der Stellantrieb angeordnet ist und der umfangsseitig durch eine Versteifungswand begrenzt sein kann. In dem plattenförmigen Tragabschnitt des Trägerelements können bevorzugt die elektrischen Leitungen eingebettet sein.The support member may have a large area, plate-shaped support portion for dimensionally stable training, on which the actuator is arranged and the periphery may be limited by a stiffening wall. In the plate-shaped support portion of the support member may preferably be embedded, the electrical lines.
Der oben erwähnte Positionserkennungsschalter kann bevorzugt durch ein Nockenelement betätigt werden, das der Antriebswelle des Stellantriebs zugeordnet ist. Dessen Nocken können bei Drehung der Antriebswelle den Positionserkennungsschalter betätigen.The above-mentioned position detection switch may be preferably operated by a cam member associated with the drive shaft of the actuator. Its cams can actuate the position detection switch upon rotation of the drive shaft.
Für eine bauraumgünstige sowie kompakte Anordnung des Stellantriebs am Stellglied-Gehäuse kann es von Vorteil sein, wenn die Antriebswelle des Stellantriebs nicht unmittelbar am Stellglied, etwa einer Verteilerscheibe, sondern davon beabstandet angeordnet ist. In diesem Fall kann der Stellantrieb über einen zusätzlichen Getriebezug auf das Stellglied abtreiben. Die Getriebeelemente, etwa Zahnräder, des Getriebezuges können an einem Lagerabschnitt des Trägerelements gelagert sein. Der Lagerabschnitt kann wiederum materialeinheitlich und einstückig am Trägerelement angeformt sein. Das Trägerelement kann somit in Mehrfachfunktion Lagerabschnitte für den Getriebezug, die elektrischen Leitungen und/oder den Positionserkennungsschalter tragen.For a space-saving and compact arrangement of the actuator on the actuator housing, it may be advantageous if the drive shaft of the actuator is not located directly on the actuator, such as a distributor disc, but spaced therefrom. In this case, the actuator can abort on the actuator via an additional gear train. The gear elements, such as gears, the gear train may be mounted on a bearing portion of the support member. The bearing section can in turn be formed of the same material and integrally on the carrier element. The carrier element can thus bear in multiple function bearing sections for the gear train, the electrical lines and / or the position detection switch.
In einer einfachen Ausführung des Getriebezugs kann ein erstes Getriebeelement des Getriebezuges auf der Antriebswelle des Stellantriebs sitzen. Ein damit verbundenes zweites Getriebeelement kann auf einer das Stellglied antreibenden Kraftabgabewelle sitzen. Im Sinne einer Bauteilreduzierung kann dabei das Nockenelement zur Betätigung des Positionserkennungsschalters materialeinheitlich und/oder einstückig mit einem der Getriebeelemente ausgeführt sein. Der Lagerabschnitt des Trägerelements kann beispielhaft ein Lagerzapfen sein, auf dem ein Nabenabschnitt des Getriebeelements drehbar gelagert ist. Alternativ kann der Lagerabschnitt ein hohlzylindrischer Lagerschaft sein, an dessen Innenwandung der Nabenabschnitt des Getriebeelements drehbar gelagert ist.In a simple embodiment of the gear train, a first gear element of the gear train can be seated on the drive shaft of the actuator. A second transmission element connected thereto can be seated on a power output shaft driving the actuator. In the sense of a component reduction, the cam element for actuating the position detection switch can be embodied in the same material and / or in one piece with one of the gear elements. The bearing portion of the support member may be exemplified a bearing journal on which a hub portion of the transmission element is rotatably mounted. Alternatively, the bearing portion may be a hollow cylindrical bearing shaft, on the inner wall of which the hub portion of the gear element is rotatably mounted.
Zur weiteren Erhöhung der Funktionalität kann das Trägerelement wenigstens ein Rastelement aufweisen, mit dem Stellantrieb montagetechnisch einfach am Trägerelement verrastbar ist.To further increase the functionality, the carrier element may have at least one latching element with which the actuator can easily be latched onto the carrier element in terms of assembly technology.
Das Trägerelement kann in einer weiteren Ausführungsform zusätzlich schalenförmig gestaltet sein und/oder zusammen mit dem Stellglied-Gehäuse einen nach außen geschlossenen Getrieberaum begrenzen, in dem der oben erwähnte Getriebezug angeordnet werden kann.In a further embodiment, the carrier element may additionally be designed shell-shaped and / or, together with the actuator housing, an outward-facing Limit closed transmission space in which the above-mentioned gear train can be arranged.
In einer besonderen Ausführungsform kann das Stellglied eine drehbetätigbare Verteilerscheibe einer im Hydraulikkreislauf einer Geschirrspülmaschine angeordneten Wasserweiche bzw. eines Verteilers sein. Je nach Schaltzustand der Wasserweiche kann somit ein unterer oder oberer Sprüharm im Spülbehälter der Geschirrspülmaschine mit Spülflüssigkeit beaufschlagt werden.In a particular embodiment, the actuator may be a rotatably actuable distributor disk of a water distributor or a distributor arranged in the hydraulic circuit of a dishwasher. Depending on the switching state of the water switch, a lower or upper spray arm in the washing container of the dishwasher can thus be subjected to flushing liquid.
Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand der beigefügten Figuren beschrieben.Hereinafter, an embodiment of the invention with reference to the accompanying figures will be described.
Es zeigen:
- Fig. 1
- in einem schematischen Blockdiagramm als Haushaltsgerät eine Geschirrspülmaschine;
- Fig. 2
- in einer Explosionsdarstellung eine Verteilergehäusehälfte mit zugeordneter Verteilerscheibe;
- Fig. 3
- ein erfindungsgemäßes Trägerelement zur Halterung des Stellantriebs an dem Verteilergehäuse;
- Fig. 4
- die im Trägerelement eingegossenen elektrischen Leitungen in Alleinstellung; und
- Fig. 5
- eine Schnittdarstellung entlang der Schnittebene I-I aus der
Fig. 2 .
- Fig. 1
- in a schematic block diagram as a household appliance, a dishwasher;
- Fig. 2
- in an exploded view, a distributor housing half with associated distributor disc;
- Fig. 3
- an inventive carrier element for mounting the actuator to the distributor housing;
- Fig. 4
- the cast in the support element electrical lines in isolation; and
- Fig. 5
- a sectional view along the section plane II of the
Fig. 2 ,
In der
Stromab der Umwälzpumpe 13 befindet sich in der Flüssigkeitsleitung 14 eine Wasserweiche bzw. ein Verteiler 20, über den während des Spülgangs der Geschirrspülmaschine der obere und der untere Sprüharm 7, 9 im Wechselbetrieb mit Spülflüssigkeit beaufschlagbar sind. Der in der
Wie aus der
In der
Der Stellantrieb 23 ist gemäß der
In der
Das Trägerelement 29 weist gemäß der
Die freigelegten Kontaktstellen 35, 37, 51, 52 sind über flächige Blechabschnitte 56, 57 der elektrischen Leitungen verbunden. Diese Blechabschnitte 56, 57 erstrecken sich allesamt im Tragabschnitt 38 des Trägerelements 29, und zwar parallel zueinander sowie in einem Abstand a über einen Großteil des Tragabschnittes 38. Die im Trägerelement 29 eingegossenen Blechabschnitte 56, 57 erhöhen insgesamt die Formstabilität des Trägerelements 29.The exposed contact points 35, 37, 51, 52 are connected by flat
Wie aus der
Wie aus den
Das Zahnrad 42 weist in seinem Nabenbereich eine Hohlwelle 58 auf, die formschlüssig auf einer Außenverzahnung der Antriebswelle 44 sitzt. Mit ihrem Außenumfang ist die zentrische Hohlwelle 58 des Zahnrads 42 in Gleitkontakt mit dem Lagerschaft 46. Das Zahnrad 42 ist im Profil topfförmig mit einer hochgezogenen Umfangswand ausgebildet, an deren oberem Umfangsrand ein kreisringförmiges Nockenelement 48 angeformt ist, dessen Nocken einen später beschriebenen Drehpositionserkennungsschalter 49 betätigen können.In its hub region, the
Das Zahnrad 42 kämmt mit dem Zahnrad 43, dessen hohlzylindrischer Nabenabschnitt in Gleitkontakt auf dem Lagerzapfen 47 des Trägerelements 29 sitzt. Der Nabenabschnitt des Zahnrads 43 geht in Axialrichtung nach unten in den Kraftabgabe-Wellenzapfen 45 über, auf dessen Außenverzahnung formschlüssig die Verteilerscheibe 21 sitzt.The
Mittels des bereits erwähnten Drehpositionserkennungs-Schalters 49 erhält die Steuereinrichtung 25 der Geschirrspülmaschine eine Rückmeldung über die Drehposition der Verteilerscheibe 21. Der Schalter 49 weist gemäß der
Der Schalter 49 mit seinen beiden Kontaktschenkeln 51, 52 ist gemäß der
- 11
- Spülbehälterrinse tank
- 3, 53, 5
- Geschirrkörbebaskets
- 7,97.9
- Sprüharmespray arms
- 1111
- Pumpentopfsump
- 1313
- Umwälzpumpecirculating pump
- 14, 15, 1614, 15, 16
- Flüssigkeitsleitungenfluid lines
- 1717
- FrischwasserzuleitungFresh water supply
- 1818
- Ablaufleitungdrain line
- 1919
- LaugenpumpeDrain pump
- 2020
- Verteilerdistributor
- 2121
- Verteilerscheibe, StellgliedDistributor disc, actuator
- 2323
- elektrischer Stellantriebelectric actuator
- 2525
- elektronische Steuereinrichtungelectronic control device
- 2626
- VerteilergehäusehälfteDistributor housing half
- 2727
- Steueröffnungen in der VerteilerscheibeControl holes in the distributor disc
- 2828
- Anschlussstutzenspigot
- 2929
- Trägerelementsupport element
- 3030
- Schraubverbindungenscrew
- 31,32,3331,32,33
- Blechplatinensheet metal blanks
- 3434
-
Anschlusskontakte des Stellantriebs 23Connection contacts of the
actuator 23 - 3535
-
erste Kontaktstellen der elektrischen Leitungen 31, 32first contact points of the
electrical lines 31, 32nd - 3636
- EinsickungenEinsickungen
- 3737
-
zweite Kontaktstellen der elektrischen Leitungen 31, 32second contact points of the
electrical lines 31, 32nd - 3838
- Tragabschnitt des TrägerelementsCarrying section of the support element
- 3939
- Begrenzungswandboundary wall
- 4040
- Rastelementlocking element
- 4141
- Rastzungecatch tongue
- 42, 4342, 43
- Getriebeelementetransmission elements
- 4444
- Antriebswelledrive shaft
- 4545
- Abtriebselementoutput element
- 46, 4746, 47
- Lagerabschnittebearing portions
- 4848
- Nockenelementcam member
- 4949
- PositionserkennungsschalterPosition sensing switch
- 5050
- Begrenzungswändeboundary walls
- 51, 5251, 52
- Kontaktschenkelcontact legs
- 5353
- Freiraumfree space
- 5454
- Einprägungimpressing
- 5555
- Getrieberaumgear compartment
- 56, 5756, 57
- Blechabschnittesheet metal sections
- 5959
- WasserablauföffnungenDrainage holes
- aa
-
Abstand zwischen den Blechabschnitten 56, 57Distance between the
56, 57sheet metal sections
Claims (20)
- Water-bearing domestic appliance, in particular a dishwasher or washing machine, at least having a water diverter to distribute washing liquor, said diverter having at least one carrier element (29) to which an actuator (23) is fastened, characterised in that the carrier element (29) is a cast part produced using a plastic injection moulding method, in which line means are cast for actuating the actuator (23).
- Water-bearing domestic appliance according to the preceding claim, characterised in that the line means are configured as electric lines (31, 32, 33).
- Water-bearing domestic appliance according to claim 2, characterised in that the electric lines (31, 32, 33) are stamped and/or bent from at least one sheet metal plate.
- Water-bearing domestic appliance according to claim 2 or 3, characterised in that the electric lines (31, 32, 33) have at least one first contact point (35) for connection to the actuator (23) and at least one second contact point (37) for connection to a power supply connection.
- Water-bearing domestic appliance according to one of claims 1 to 4, characterised in that a position identification means is assigned to the actuator (23).
- Water-bearing domestic appliance according to claim 5, characterised in that the position identification means comprise a switch (49), which has line means embedded in the carrier element (29) with mutually contactable switch contact points (51, 52).
- Water-bearing domestic appliance according to claim 5 or 6, characterised in that the carrier element (29) has a recess (53), in which the position identification means is disposed.
- Water-bearing domestic appliance according to claim 7, characterised in that contact points (51, 52) of the line means project into the recess (53) of the carrier element (29).
- Water-bearing domestic appliance according to claim 8, characterised in that the contact points (51, 52) are configured as resilient contact arms.
- Water-bearing domestic appliance according to one of the preceding claims, characterised in that the carrier element (29) has a support segment (38), on which the component is disposed.
- Water-bearing domestic appliance according to claim 10, characterised in that the line means are embedded in the support segment (38) of the carrier element (29).
- Water-bearing domestic appliance according to one of claims 1 to 11, characterised in that the actuator (23) comprises a drive shaft (44) having a cam element (48), which actuates the position identification means (49) during rotation of the drive shaft (44).
- Water-bearing domestic appliance according to one of the preceding claims, characterised in that the carrier element (29) has at least one bearing segment (46, 47) to support a gear element (42, 43), perhaps a toothed wheel.
- Water-bearing domestic appliance according to claim 13, characterised in that a first gear element (42) rests on the drive shaft (44) of the actuator (23) and a second gear element (43) connected thereto rests on a drive element (45) driving a final control element (21).
- Water-bearing domestic appliance according to one of claims 13 or 14, characterised in that the cam element (48) is embodied with material uniformity and/or as a single piece with one of the gear elements (42, 43).
- Water-bearing domestic appliance according to one of claims 13 to 15, characterised in that the bearing segment (47) of the carrier element (29) is a journal, on which the gear element (43) is supported in a rotatable manner.
- Water-bearing domestic appliance according to one of claims 13 to 16, characterised in that the bearing segment (46) of the carrier element (29) is a hollow cylindrical bearing stem (46), in which a hub segment (47) of a gear element (42) is supported in a rotatable manner.
- Water-bearing domestic appliance according to one of claims 13 to 17, characterised in that the bearing segment (46, 47) is moulded with material uniformity and as a single piece on the carrier element (29).
- Water-bearing domestic appliance according to one of the preceding claims,
characterised in that the carrier element (29) has at least one latching element (40), which can be used to latch the component to the carrier element (29). - Water-bearing domestic appliance according to one of claims 14 to 19, characterised in that the final control element (21) is a rotationally actuatable distributor disk of a distributor disposed in the hydraulic circuit of a dishwasher.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09724289T PL2268184T3 (en) | 2008-03-28 | 2009-03-24 | Water-bearing domestic appliance |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008016171A DE102008016171A1 (en) | 2008-03-28 | 2008-03-28 | Water-conducting household appliance |
PCT/EP2009/053426 WO2009118308A1 (en) | 2008-03-28 | 2009-03-24 | Water-bearing domestic appliance |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2268184A1 EP2268184A1 (en) | 2011-01-05 |
EP2268184B1 true EP2268184B1 (en) | 2018-05-16 |
Family
ID=40786584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09724289.5A Active EP2268184B1 (en) | 2008-03-28 | 2009-03-24 | Water-bearing domestic appliance |
Country Status (11)
Country | Link |
---|---|
US (1) | US20110088733A1 (en) |
EP (1) | EP2268184B1 (en) |
JP (1) | JP2011515168A (en) |
CN (1) | CN101980651A (en) |
AU (1) | AU2009228781A1 (en) |
DE (1) | DE102008016171A1 (en) |
NZ (1) | NZ587450A (en) |
PL (1) | PL2268184T3 (en) |
RU (1) | RU2499542C2 (en) |
TR (1) | TR201808013T4 (en) |
WO (1) | WO2009118308A1 (en) |
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- 2009-03-24 JP JP2011501197A patent/JP2011515168A/en active Pending
- 2009-03-24 WO PCT/EP2009/053426 patent/WO2009118308A1/en active Application Filing
- 2009-03-24 CN CN2009801109117A patent/CN101980651A/en active Pending
- 2009-03-24 PL PL09724289T patent/PL2268184T3/en unknown
- 2009-03-24 TR TR2018/08013T patent/TR201808013T4/en unknown
- 2009-03-24 EP EP09724289.5A patent/EP2268184B1/en active Active
- 2009-03-24 US US12/933,092 patent/US20110088733A1/en not_active Abandoned
- 2009-03-24 AU AU2009228781A patent/AU2009228781A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
TR201808013T4 (en) | 2018-06-21 |
RU2010140985A (en) | 2012-05-10 |
CN101980651A (en) | 2011-02-23 |
US20110088733A1 (en) | 2011-04-21 |
AU2009228781A1 (en) | 2009-10-01 |
DE102008016171A1 (en) | 2009-10-01 |
NZ587450A (en) | 2013-03-28 |
RU2499542C2 (en) | 2013-11-27 |
EP2268184A1 (en) | 2011-01-05 |
JP2011515168A (en) | 2011-05-19 |
PL2268184T3 (en) | 2018-11-30 |
WO2009118308A1 (en) | 2009-10-01 |
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