EP0351564B1 - Lave-vaisselle à usage ménager - Google Patents

Lave-vaisselle à usage ménager Download PDF

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Publication number
EP0351564B1
EP0351564B1 EP89111100A EP89111100A EP0351564B1 EP 0351564 B1 EP0351564 B1 EP 0351564B1 EP 89111100 A EP89111100 A EP 89111100A EP 89111100 A EP89111100 A EP 89111100A EP 0351564 B1 EP0351564 B1 EP 0351564B1
Authority
EP
European Patent Office
Prior art keywords
float
machine according
dishwashing machine
salt
domestic dishwashing
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.)
Expired - Lifetime
Application number
EP89111100A
Other languages
German (de)
English (en)
Other versions
EP0351564A1 (fr
Inventor
Helmut Dipl.-Ing. Jerg
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0351564A1 publication Critical patent/EP0351564A1/fr
Application granted granted Critical
Publication of EP0351564B1 publication Critical patent/EP0351564B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L15/4229—Water softening arrangements

Definitions

  • the invention relates to a household dishwasher according to the preamble of the first claim.
  • a water softening device consisting of a salt storage container and ion exchanger, regeneration water storage container and heat exchanger, a storage container connected in a heat-conducting manner, the ion exchanger, the salt storage container, the storage container, is a free one
  • the flow path and a level transmitter are combined in a water inlet container, the water inlet container having a tube which is in flow connection with the salt reservoir and in which a float is provided to indicate the lack of salt.
  • a filler opening of the salt storage container which can be closed by a lid, is guided through a side wall of the washing container and is accessible from the washing compartment of the washing container, the filling opening being inserted into a side wall of the washing container Frame is arranged and the lid is pivotally mounted in the region of the lower filling edge of the frame.
  • a chute receiving the regenerating agent for the salt storage container can be inserted into the lid and is held in the metering position in the lid when the lid is closed.
  • the salt deficiency indicator is not deleted immediately after the salt has been filled in by the user, since a longer time is required to dissolve the salt and thus to display the filling status of the salt storage container. This incorrect display leads to further unnecessary refilling of salt by the user.
  • the additional filling of salt leads to an overflow of the salt storage container and the overflowed brine is led into the drain via the washing container of the household dishwasher, which leads to an unnecessary salt load in the waste water.
  • the salt deficiency indicator cannot be functionally checked during manufacture.
  • Household dishwashers are also used in areas where the water hardness is so low that the operation of the water softening devices is not necessary and the user should not fill in salt.
  • the salt deficiency indicator In household dishwashers of the type mentioned at the outset, however, the salt deficiency indicator then constantly indicates a salt deficiency, which leads to the user being deceived.
  • the invention has for its object to design a household dishwasher of the type mentioned so that a false display in the aforementioned cases is avoided and a production control is possible.
  • adjusting means are arranged, via which the float can be adjusted by the user into a position indicating at least brine and is released in this position.
  • Preferred embodiments are set out below.
  • the cover moves the adjusting means when opening or closing and releases the adjusting means when closing.
  • the float remains in the position indicating at least salt brine until the salt poured into the salt reservoir is largely dissolved.
  • the float is expediently fixed by the filled salt in the position indicating at least the salt brine.
  • the actuating means for the forced movement of the float are an opening in the float, the lid and a rocker arranged in the area of the filler opening, the rocker being forcibly moved by closing the lid.
  • the rocker is rotatably mounted on the frame of the filling opening and is equipped with a switching lever protruding into the area of the cover and with a release lever protruding into the opening of the float.
  • the cover is expediently equipped with a switching bracket formed in one piece in the region of the rocker.
  • the switching bracket acts on the float during the closing movement of the cover via the rocker.
  • the switching bracket releases the rocker when the cover is completely closed.
  • the rocker which projects with its release lever into the opening of the float is rotated by closing the lid in such a way that the float is raised and when the lid is completely closed, the rocker is released again.
  • the float is permanently fixed with adjusting means in a position indicating at least brine.
  • the actuating means for permanently fixing the float are the breakthrough of the float, the rocker and a locking cam arranged on the frame of the filler opening, the rocker being permanently fixed by means of the locking cam.
  • the float acts on a display device that emits an optical or acoustic signal.
  • the display device can be arranged on an operating unit of the household dishwasher or in the area of the cover.
  • the float is provided with a triggering device which acts on a switching device which switches the display device directly or indirectly.
  • the triggering device of the float is a permanent magnet which switches a magnetically switchable switch which is arranged outside the salt container and serves as a switching device.
  • This magnetically switchable switch is attached to the water inlet tank in a height-adjustable manner.
  • the triggering device of the float is a switch cam which is arranged in one piece on the float and which acts on a lever of a microswitch serving as a switching device which projects into the filler neck of the salt container.
  • the magnetically switchable switch or the microswitch expediently interrupts the circuit to the display device in the position of the float which indicates at least brine.
  • the immediate switching of the display device is achieved according to a preferred embodiment of the invention in that the rocker is designed as a switching device and as a display device and that the rocker is equipped with a pointer serving as a display device, which in the at least brine-indicating position of the float through a breakthrough of the lid protrudes.
  • a cover and a bulkhead are preferably arranged in the water inlet container in the area of the rocker and the float.
  • This protective device prevents penetration of the poured salt in the protected area and thus malfunctions of the arrangement according to the invention.
  • the production control for the correct installation and the correct function of the parts necessary for the salt deficiency indicator can be easily done by opening and closing the lid. Since no salt is poured in during production control, the float is completely released by the rocker when the lid is fully closed and drops to the position leading to the salt deficiency indicator, so that when the lid is properly installed and functioning correctly, the arrangement to be tested is closed a display of brine and if the lid is completely closed, a salt deficiency indicator must be displayed.
  • the household dishwasher 1 has a washing container 4 which can be closed at the front by a door 2 and in which crockery baskets 5 are arranged.
  • a fill opening 8 which can be closed by a cover 15, of which a filler neck 31 leads to a salt reservoir 30 of a water softening device arranged between a machine housing side wall 7 and the washing container side wall 6 outside the washing container 4 in a water inlet container 10.
  • the cover 15 shown in FIG. 1 in the closed position and in the open position is hinged at the lower edge of the filling opening 8 into the washing compartment 4 so that it can be pivoted open by approximately 90 °. 20 with a filling opening 8 is designated frame, which is inserted tightly into the rinsing container side wall 6 and connected to the water inlet container 10.
  • the salt for filling the salt storage container 30 is filled into a chute 9 which can be removed from the cover 15.
  • the filled chute 9 is then reinserted into the opened lid 15.
  • the chute 9 is tilted into its metering position and the salt can fall into the salt reservoir 30 located below via the filler neck 31.
  • a catch 19 holds the cover 15 in the closed position.
  • the lid 15 can be handled by a grip element 18, a recessed grip or the like.
  • the water inlet container 10 consists of a plastic container which contains an ion exchanger 40 in the bottom region, the ion exchanger mass of which is located in a chamber between sieve walls 41, 42. Above the ion exchanger 40, the plastic container has the salt reservoir 30, which can be filled with salt through the filler neck 31 from the washing container 4. A brine line 46 leads from the salt storage container 30 to the ion exchanger 40. Above the salt storage container 30, the plastic container of the water inlet container 10 forms a multi-chambered storage 60, in whose channel connection 62 to the salt storage container 30 a control element 61, water hardness switch or the like is provided.
  • the adjusting element 61 protruding through the frame 20 into the washing container 4, the adjustment to the hardness of the fresh water at the installation location of the household dishwasher 1, the amount of brine required for regeneration of the ion exchanger 40 can be adjusted, the salt reservoir 30 depending on the setting of the adjusting element 61 an amount of water corresponding to the required amount of brine can be supplied from the reservoir 60.
  • the water inlet container 10 is connected via a fresh water connection piece 66 behind a water inlet and / or safety valve, not shown, to the fresh water supply line of the domestic dishwasher 1. From the fresh water connection piece 66, a fresh water channel 67 is led up in the water inlet container 10 to a free flow path 68 which is also integrated in the water inlet container 10. Behind the free flow section 68, a fresh water connection channel 69 leads as a down pipe via an outlet valve 43 to the ion exchanger 40.
  • the water inlet container 10 further comprises a level sensor 64.
  • a reservoir 63 is also connected to the water inlet container 10, which can be made of metal for better heat-conducting contact with the washing container 4.
  • the water inlet container 10 is connected to the drain pan of the washing container 4 through an outlet 45 of the ion exchanger 40.
  • the water inlet container 10 also has a housing 51 for a regeneration valve 50.
  • a first opening 52 is provided in the channel connection 62 from the reservoir 60 to the valve housing 51 and the channel connection 62 leads to the salt reservoir 30 via the second opening 53.
  • the brine line 46 in turn leads via a third valve housing opening 54 to the regeneration valve 50 and from a fourth opening 55 this valve to the ion exchanger 40.
  • a chamber 65 for a safety level transmitter is formed on the bottom next to the ion exchanger 40.
  • the precisely measured amount of water in the reservoir container 63 can be softened via the ion exchanger 40 and its outlet 45 depending on the position of the outlet valve 43 designed as a double valve flow the washing container 4.
  • the latter Opposite the outlet of the brine line 46 from the salt reservoir 30, the latter has a bottom sieve 32 and a side wall sieve 33.
  • an overflow channel 35 branches off to the ion exchanger 40. If the salt reservoir 30 is filled with salt, the displaced excess brine passes through the overflow channel 35 into the ion exchanger 40 and the brine is prevented from unused and undesirably overflowing into the rinsing container 4.
  • 34 denotes a channel for venting the brine line 46 and 36 denotes a salt reservoir filling level determined by an overflow wall 37 in the brine line 46.
  • the domestic dishwasher 1 has a display device and a float 70 arranged in the salt storage container 30, which is provided with a triggering device 71 which acts on a switching device 80 which acts directly or indirectly switches the display device.
  • the float 70 extends with the trigger device 71 into the area of the filler neck 31.
  • the switching device 80 is arranged in the area of the filler neck 31.
  • Positioning means are arranged, by means of which the float (70) can be adjusted by the user into a position indicating at least brine and is released in this position.
  • the float 70 has an opening 72 in the area of the filler neck 31, into which a release lever 22 of a rocker 21 projects, which is rotatably mounted on a bolt 25 integrally formed on the frame 20 of the filler opening 8.
  • a switching lever 23 of the rocker 21 protrudes into the area of the cover 15 which is equipped with a switching bracket 16 which is integrally formed and projects into the area of the rocker 21.
  • the switching lever 23 of the rocker 21 is acted upon by the switching bracket 16 of the cover 15, so that it is rotated downwards in the direction of the float 70.
  • the release lever 22 lifts the float 70 into a position indicating at least brine and thus brings the release device 71 into the release position.
  • the switching bracket 16 disengages from the switching lever 23 and releases the rocker 21 again.
  • the float 70 is fixed by the filled salt in the position indicating at least salt brine (FIG. 4) until it is largely dissolved.
  • a cover 27 and a bulkhead 39 are arranged in the water inlet container 10 in the area of the rocker 21 and the float 70.
  • the cover 27 is attached to the frame 20.
  • the bulkhead rib 39 is formed as an integrally molded rib of the water inlet container 10.
  • the float 70 is guided by means of guide pins 73 integrally molded on both sides in vertical guide ribs 38 of the salt reservoir 30.
  • the frame 20 is equipped with a locking cam 26.
  • the rocker 21 with its switching lever 23 is deflected beyond the switching cam 26, which thus constantly releases the float 70 via the trigger lever 22 in an at least brine supply indicating position.
  • the trigger device 71 of the float 70 is constantly in the trigger position.
  • the triggering device 71 of the float 70 is a permanent magnet 74 which switches a magnetically switchable switch 75 arranged outside the salt reservoir 30 and serving as a switching device 80.
  • This magnetically switchable switch 75 is attached to the water inlet container 10 so that it can be adjusted in height.
  • the triggering device 71 of the float 70 is a switching cam 76 which is integrally formed on the float 70 and which has a lever 77 protruding into the filler neck 31 of the salt container 30 of a microswitch 78 serving as switching device 80 acted upon.
  • the magnetically switchable switch 75 or the microswitch 78 switches a display device, not shown, which is used in the aforementioned embodiments of the invention is arranged on an operating unit 3 of the household dishwasher 1.
  • the float 70 acts with its triggering device 71, the permanent magnet 74 or the integrally formed switching cam 76, on the magnetically switchable switch 75 or microswitch 78 serving as the switching device 80, which indirectly switches the display device in that it interrupts the circuit to the display device in the position of the float 70 which indicates at least brine.
  • the rocker 21 is designed as a switching device 80 and as a display device and is equipped with a pointer 24 which serves as a display device and which, in the position of the float 70 which indicates at least brine, through a breakthrough 17 of the Cover 15 protrudes (Fig. 2).
  • the float 70 via the release lever 22 of the rocker 21 protruding through its opening 72 serving as a release device 71, directly switches the pointer 24, which is arranged in the region of the cover 15 and serves as a display device.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (21)

  1. Lave-vaisselle ménager comportant une cuve (4) fermée sur le devant par une porte (2) ainsi qu'un réservoir de sel (30) pour un échangeur d'ions (40) d'un dispositif d'adoucissement de l'eau, le réservoir de sel (30) étant situé à l'extérieur de la cuve (4) dans un bac d'entrée d'eau (10), sur une paroi latérale (6) de la cuve, et comportant une ouverture de remplissage (8) qui traverse la paroi latérale (6) de la cuve au moyen d'un cadre, est accessible à partir de la cuve (4) et est fermée par un couvercle (15) rabattable et le réservoir de sel (30) comportant un flotteur (70) qui indique le manque de sel, caractérisé par le fait qu'il est prévu des moyens de commande (16, 21) à l'aide desquels l'utilisateur peut amener le flotteur dans une position indiquant au moins la présence de solution de sel et le libérer dans cette position.
  2. Lave-vaisselle ménager selon la revendication 1, caractérisé par le fait que le couvercle (15) actionne les moyens de commande lors de son ouverture ou de sa fermeture et que le couvercle (15) libère les moyens de commande lors de sa fermeture.
  3. Lave-vaisselle ménager selon la revendication 1 ou 2, caractérisé par le fait que le flotteur (70) est maintenu dans la position indiquant au moins la présence de solution de sel jusqu'à ce que le sel versé dans le réservoir de sel (30) soit en grande partie dissous.
  4. Lave-vaisselle ménager selon l'une des revendications 1 à 3, caractérisé par le fait que le flotteur (70) est maintenu par le sel versé dans la position indiquant au moins la présence de solution de sel.
  5. Lave-vaisselle ménager selon l'une des revendications 1 à 4, caractérisé par le fait que les moyens de commande permettant de déplacer par force le flotteur (70) sont constitués par une ouverture (72) du flotteur (70), le couvercle (15) et une bascule (21) disposée dans la région de l'ouverture de remplissage (8), la bascule (21) étant déplacée par force par la fermeture du couvercle (15).
  6. Lave-vaisselle ménager selon la revendication 5, caractérisé par le fait que la bascule (21) est montée pivotante sur le cadre (20) de l'ouverture de remplissage (8) et comporte un levier d'actionnement (23) qui fait saillie dans la région du couvercle (15) et un levier de déclenchement (22) qui pénètre dans l'ouverture (72) du flotteur (70).
  7. Lave-vaisselle ménager selon la revendication 5 ou 6, caractérisé par le fait que le couvercle (15) est muni d'un étrier d'actionnement formé d'une pièce avec lui dans la région de la bascule (21).
  8. Lave-vaisselle ménager selon l'une des revendications 5 à 7, caractérisé par le fait que l'étrier d'actionnement (16) agit sur le flotteur (70) par l'intermédiaire de la bascule (21), aux fins de lever celui-ci, lors du mouvement de fermeture du couvercle (15),.
  9. Lave-vaisselle ménager selon l'une des revendications 5 à 8, caractérisé par le fait que l'étrier d'actionnement (16) libère de nouveau la bascule (21) lorsque le couvercle (15) est complètement fermé.
  10. Lave-vaisselle ménager selon la revendication 1, caractérisé par le fait que le flotteur (70) est maintenu de manière permanente dans une position indiquant au moins la présence de solution de sel par des moyens de commande.
  11. Lave-vaisselle ménager selon la revendication 10, caractérisé par le fait que les moyens de commande permettant de maintenir de manière permanente le flotteur (70) sont constitués par l'ouverture (72) du flotteur (70), la bascule (15) et une ergot d'arrêt (26) disposé sur le cadre (20) de l'ouverture de remplissage (8), la bascule (21) étant retenue de manière permanente par l'ergot d'arrêt (26).
  12. Lave-vaisselle ménager selon l'une des revendications 1 à 11, caractérisé par le fait que le flotteur (70) agit sur un dispositif d'affichage qui délivre un signal optique ou acoustique.
  13. Lave-vaisselle ménager selon l'une des revendications 1 à 12, caractérisé par le fait que le dispositif d'affichage est disposé sur une unité de commande (3) du lave-vaisselle (1) ménager.
  14. Lave-vaisselle ménager selon l'une des revendications 1 à 13, caractérisé par le fait que le dispositif d'affichage est disposé dans la région du couvercle (15).
  15. Lave-vaisselle ménager selon l'une des revendications 1 à 14, caractérisé par le fait que le flotteur (70) est muni d'un dispositif de déclenchement (71) qui agit sur un dispositif de commutation (80) qui déclenche de manière directe ou indirecte le dispositif d'affichage.
  16. Lave-vaisselle ménager selon la revendication 15, caractérisé par le fait que le dispositif de déclenchement (71) du flotteur (70) est un aimant permanent (74) qui commande un commutateur (75) à commande magnétique servant de dispositif de commutation (80) et disposé à l'extérieur du réservoir de sel (80).
  17. Lave-vaisselle ménager selon la revendication 16, caractérisé par le fait que le commutateur (75) à commande magnétique est monté sur le bac d'entrée d'eau ( 10) avec possibilité de réglage en hauteur.
  18. Lave-vaisselle ménager selon la revendication 17, caractérisé par le fait que le dispositif de déclenchement (71) du flotteur (70) est un doigt d'actionnement (76) formé d'une pièce avec le flotteur (70) qui agit sur un levier (77) d'un microcontacteur (78) servant de dispositif de commutation (80), lequel levier fait saillie dans le conduit de remplissage (31) du réservoir de sel (30).
  19. Lave-vaisselle ménager selon les revendications 16 à 18, caractérisé par le fait que le commutateur (75) à commande magnétique ou le microcontacteur (78) interrompt le circuit menant au dispositif d'affichage lorsque le flotteur (70) est dans la position indiquant au moins la présence de solution de sel.
  20. Lave-vaisselle ménager selon la revendication 15, caractérisé par le fait que la bascule (21) est agencée sous forme de dispositif de commutation (80) et de dispositif d'affichage et que la bascule (21) est munie d'une aiguille servant de dispositif d'affichage, laquelle aiguille fait saillie par une ouverture (17) du couvercle (15) lorsque le flotteur (70) est dans la position indiquant au moins la présence de solution de sel.
  21. Lave-vaisselle ménager selon l'une des revendications 1 à 20, caractérisé par le fait qu'un couvercle (27) et une cloison (39) sont disposés dans le bac d'entrée d'eau, dans la région de la bascule (21) et du flotteur (70).
EP89111100A 1988-07-19 1989-06-19 Lave-vaisselle à usage ménager Expired - Lifetime EP0351564B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3824565A DE3824565A1 (de) 1988-07-19 1988-07-19 Haushalt-geschirrspuelmaschine
DE3824565 1988-07-19

Publications (2)

Publication Number Publication Date
EP0351564A1 EP0351564A1 (fr) 1990-01-24
EP0351564B1 true EP0351564B1 (fr) 1992-09-02

Family

ID=6359102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111100A Expired - Lifetime EP0351564B1 (fr) 1988-07-19 1989-06-19 Lave-vaisselle à usage ménager

Country Status (2)

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EP (1) EP0351564B1 (fr)
DE (2) DE3824565A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4039510C2 (de) * 1990-12-11 1994-04-21 Bosch Siemens Hausgeraete Haushalt-Geschirrspülmaschine
DE4142665C2 (de) * 1991-12-21 2002-03-21 Miele & Cie Programmgesteuerte Geschirrspülmaschine oder Waschmaschine mit integrierter Rohwasser-Aufbereitungseinrichtung
DE4243605C2 (de) * 1992-12-22 1998-01-15 Bosch Siemens Hausgeraete Haushalt-Geschirrspülmaschine
DE19643151B4 (de) * 1996-10-18 2004-02-19 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betrieb einer Enthärtungseinrichtung einer Haushalt-Geschirrspülmaschine
IT1291035B1 (it) * 1997-02-18 1998-12-14 Prealpina Tecnoplastica Sistema per il caricamento e il dosaggio del liquido di lavaggio in una lavastoviglie.
NZ518288A (en) 2002-04-10 2004-09-24 Fisher & Paykel Appliances Ltd Washing appliance water softner
DE102004035849A1 (de) 2004-07-23 2006-03-16 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit modularem Aufbau
DE102006061151A1 (de) * 2006-12-22 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Drehbarer Reinigerbehälter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410651C3 (de) * 1984-03-23 1994-07-14 Bauknecht Hausgeraete Salzbehälter mit einer verschließbaren Einfüllöffnung und einem in einem Käfig geführten Schwimmer als Anzeigevorrichtung
DE3544580C1 (en) * 1985-12-17 1987-06-19 Bosch Siemens Hausgeraete Device for introducing salt into the salt container of a household dish-washing machine
DE8703731U1 (fr) * 1987-03-12 1987-04-23 Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De
DE3805084A1 (de) * 1988-02-18 1989-08-31 Bosch Siemens Hausgeraete Haushalt-geschirrspuelmaschine

Also Published As

Publication number Publication date
DE3824565C2 (fr) 1990-06-07
DE58902196D1 (de) 1992-10-08
EP0351564A1 (fr) 1990-01-24
DE3824565A1 (de) 1990-01-25

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