EP2268184B1 - Appareil ménager à circulation d'eau - Google Patents

Appareil ménager à circulation d'eau Download PDF

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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.)
Active
Application number
EP09724289.5A
Other languages
German (de)
English (en)
Other versions
EP2268184A1 (fr
Inventor
Johannes BÜSING
Stephan Lutz
Bruno Reiter
Michael Rosenbauer
Pedro Sancho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL09724289T priority Critical patent/PL2268184T3/pl
Publication of EP2268184A1 publication Critical patent/EP2268184A1/fr
Application granted granted Critical
Publication of EP2268184B1 publication Critical patent/EP2268184B1/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
    • A47L15/4214—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)

Claims (20)

  1. Appareil ménager à circulation d'eau, en particulier machine à laver la vaisselle ou machine à laver, présentant au moins un répartiteur d'eau pour la répartition du bain de lavage, qui présente au moins un élément de support (29), auquel un mécanisme de commande (23) est fixé, caractérisé en ce que l'élément de support (29) est une pièce moulée fabriquée par un procédé de moulage par injection de matière synthétique, dans lequel des moyens conducteurs sont intégrés pour la commande du mécanisme de commande (23).
  2. Appareil ménager à circulation d'eau selon la revendication précédente, caractérisé en ce que les moyens conducteurs sont exécutés comme des conducteurs électriques (31, 32, 33).
  3. Appareil ménager à circulation d'eau selon la revendication 2, caractérisé en ce que les conducteurs électriques (31, 32, 33) sont découpés et/ou pliés dans au moins une plaque métallique.
  4. Appareil ménager à circulation d'eau selon la revendication 2 ou 3, caractérisé en ce que les conducteurs électriques (31, 32, 33) présentent au moins un premier point de contact (35) pour la connexion au mécanisme de commande (23) et au moins un deuxième point de contact (37) pour la connexion à une alimentation électrique.
  5. Appareil ménager à circulation d'eau selon l'une des revendications 1 à 4, caractérisé en ce qu'un moyen de reconnaissance de la position est associé au mécanisme de commande (23).
  6. Appareil ménager à circulation d'eau selon la revendication 5, caractérisé en ce que les moyens de reconnaissance de la position comprennent un commutateur (49) qui présente des moyens conducteurs intégrés dans l'élément de support (29) avec des points de contact de commutateur (51, 52) pouvant être mis en contact les uns avec les autres.
  7. Appareil ménager à circulation d'eau selon la revendication 5 ou 6, caractérisé en ce que l'élément de support (29) présente un évidement (53) dans lequel est disposé le moyen de reconnaissance de position.
  8. Appareil ménager à circulation d'eau selon la revendication 7, caractérisé en ce que des points de contact (51, 52) des moyens conducteurs saillent dans l'évidement (53) de l'élément de support (29).
  9. Appareil ménager à circulation d'eau selon la revendication 8, caractérisé en ce que les points de contact (51, 52) sont configurés comme des pôles de contact à ressort.
  10. Appareil ménager à circulation d'eau selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (29) présente une section portante (38) sur laquelle est disposé l'élément constitutif.
  11. Appareil ménager à circulation d'eau selon la revendication 10, caractérisé en ce que les moyens conducteurs sont intégrés dans la section portante (38) de l'élément de support (29).
  12. Appareil ménager à circulation d'eau selon l'une des revendications 1 à 11, caractérisé en ce que le mécanisme de commande (23) comprend un arbre de commande (44) avec un élément à came (48) actionnant, à la rotation de l'arbre de commande (44), le moyen de reconnaissance de la position (49).
  13. Appareil ménager à circulation d'eau selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (29) présente au moins une section de logement (46, 47) pour le logement d'un élément d'entraînement (42, 43), comme une roue dentée.
  14. Appareil ménager à circulation d'eau selon la revendication 13, caractérisé en ce qu'un premier élément d'entraînement (42) siège sur l'arbre de commande (44) du mécanisme de commande (23) et un deuxième élément d'entraînement (43) y raccordé, sur un élément d'entraînement entraînant un composant de réglage (21).
  15. Appareil ménager à circulation d'eau selon l'une des revendications 13 ou 14, caractérisé en ce que l'élément à came (48) est réalisé en matériau unique et/ou d'un seul tenant avec l'un des élément d'entraînement (42, 43).
  16. Appareil ménager à circulation d'eau selon l'une des revendications 13 à 15, caractérisé en ce que la section de logement (47) de l'élément de support (29) est un tourillon sur lequel se loge à rotation l'élément d'entraînement (43).
  17. Appareil ménager à circulation d'eau selon l'une des revendications 13 à 16, caractérisé en ce que la section de logement (46) de l'élément de support (29) est un logement en cylindre creux (46) dans lequel la section de moyeu (47) d'un élément d'entraînement (42) est logée à rotation.
  18. Appareil ménager à circulation d'eau selon l'une des revendications 13 à 17, caractérisé en ce que la section de logement (46, 47) est formée en matériau unique et d'un seul tenant à l'élément de support (29).
  19. Appareil ménager à circulation d'eau selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (29) présente au moins un élément protubérant (40) avec lequel l'élément constitutif peut s'encliqueter à l'élément de support (29).
  20. Appareil ménager à circulation d'eau selon l'une des revendications 14 à 19,
    caractérisé en ce que le composant de réglage (21) est le disque de répartition à actionnement rotatif d'un répartiteur disposé dans le cycle hydraulique d'une machine à laver la vaisselle.
EP09724289.5A 2008-03-28 2009-03-24 Appareil ménager à circulation d'eau Active EP2268184B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09724289T PL2268184T3 (pl) 2008-03-28 2009-03-24 Prowadzące wodę urządzenie gospodarstwa domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008016171A DE102008016171A1 (de) 2008-03-28 2008-03-28 Wasserführendes Haushaltsgerät
PCT/EP2009/053426 WO2009118308A1 (fr) 2008-03-28 2009-03-24 Appareil ménager à circulation d'eau

Publications (2)

Publication Number Publication Date
EP2268184A1 EP2268184A1 (fr) 2011-01-05
EP2268184B1 true EP2268184B1 (fr) 2018-05-16

Family

ID=40786584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09724289.5A Active EP2268184B1 (fr) 2008-03-28 2009-03-24 Appareil ménager à circulation d'eau

Country Status (11)

Country Link
US (1) US20110088733A1 (fr)
EP (1) EP2268184B1 (fr)
JP (1) JP2011515168A (fr)
CN (1) CN101980651A (fr)
AU (1) AU2009228781A1 (fr)
DE (1) DE102008016171A1 (fr)
NZ (1) NZ587450A (fr)
PL (1) PL2268184T3 (fr)
RU (1) RU2499542C2 (fr)
TR (1) TR201808013T4 (fr)
WO (1) WO2009118308A1 (fr)

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CN101980651A (zh) 2011-02-23
DE102008016171A1 (de) 2009-10-01
TR201808013T4 (tr) 2018-06-21
PL2268184T3 (pl) 2018-11-30
RU2499542C2 (ru) 2013-11-27
AU2009228781A1 (en) 2009-10-01
US20110088733A1 (en) 2011-04-21
EP2268184A1 (fr) 2011-01-05
JP2011515168A (ja) 2011-05-19
RU2010140985A (ru) 2012-05-10
NZ587450A (en) 2013-03-28
WO2009118308A1 (fr) 2009-10-01

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