EP1238622B1 - Lave-vaiselle avec dispositif d'arrosage monté tournant et procédé de commande pour celui-ci - Google Patents

Lave-vaiselle avec dispositif d'arrosage monté tournant et procédé de commande pour celui-ci Download PDF

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Publication number
EP1238622B1
EP1238622B1 EP01130767A EP01130767A EP1238622B1 EP 1238622 B1 EP1238622 B1 EP 1238622B1 EP 01130767 A EP01130767 A EP 01130767A EP 01130767 A EP01130767 A EP 01130767A EP 1238622 B1 EP1238622 B1 EP 1238622B1
Authority
EP
European Patent Office
Prior art keywords
spraying device
dishwasher
spray
angle
spray arm
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
EP01130767A
Other languages
German (de)
English (en)
Other versions
EP1238622A3 (fr
EP1238622A2 (fr
Inventor
Winfried Steiner
Karlheinz Kohles
Stefan Füglein
Klaus-Martin Forst
Jürgen Vogel
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.)
AEG Hausgeraete GmbH
Original Assignee
AEG 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 AEG Hausgeraete GmbH filed Critical AEG Hausgeraete GmbH
Publication of EP1238622A2 publication Critical patent/EP1238622A2/fr
Publication of EP1238622A3 publication Critical patent/EP1238622A3/fr
Application granted granted Critical
Publication of EP1238622B1 publication Critical patent/EP1238622B1/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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays
    • 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
    • A47L15/4289—Spray-pressure measuring or regulating arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/24—Spray arms status, e.g. detection of spray arm rotation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/20—Spray nozzles or spray arms

Definitions

  • the invention relates to a dishwasher with a rotatably mounted spraying device for distributing washing liquid onto the dishes to be stored in the dishwasher.
  • the rinsing liquid is supplied by a circulating pump to a rotatably mounted spray arm, from which the rinsing liquid is distributed to the items to be stored in the dishwasher.
  • the spray arm is set in motion, wherein due to the uniform supply of the rinsing liquid, the rotational movement is carried out at a constant angular velocity. It is known that in the corners, which are not immediately below the rotational range of the spray, less rinse liquid meets the items to be washed and so the cleaning effect is reduced there.
  • a dishwasher according to the preamble of claim 1 is made GB-A-1 119 449 known.
  • a control means which controls the rotation of the spray means in an angle-dependent manner, i. the angular velocity of the sprayer is dependent on the instantaneous angle of the sprayer, which is one revolution between 0 and 360 °.
  • the spray device is, for example, a rotatably mounted spray arm or another, rotatably mounted spray device, which distributes a rinsing liquid in the dishwasher interior by a rotating rotation.
  • the control device can be designed so that the spray rotates at each rotation with the same angle-dependent rotational or angular velocity, wherein the angular velocity differs at least at a predetermined angle of the angular velocity at the other angles.
  • the angular velocity is e.g. adjustable depending on a currently running washing program.
  • the spray can At the beginning of a cleaning or rinse cycle, more and more rinse liquid is emitted in the direction of the dosing device for the cleaning agent or the dosing device for the rinse aid, so that the cleaning or rinse aid is dissolved more quickly in the rinsing liquid and distributed to the items to be washed.
  • the circulation pump is controlled by the control device such that the spray device is an angle dependent an adjustable Spülillonkeitsmenge supplied.
  • the speed of the circulation pump can be increased to increase the flow rate. Due to the inertia accelerates the spray device, which is driven by the recoil pulse of the rinsing liquid, delayed first, so that the quadrant with increased rinsing liquid feed is passed slowly and the acceleration leads only to an increased angular velocity of the sprayer.
  • the subsequent quadrants with less Spülierikeits system be through go through the previous acceleration faster and slowed down at the same time by the lower Spülckenkeitszuschreib.
  • a braking or retaining element is controlled by the control device.
  • the braking or holding element acts on the angular velocity of the spraying device and by slowing down or holding the spraying device, an increased amount of flushing liquid is introduced into the area in which braking or holding is carried out.
  • a drive for the spray device which drives the spray device angle-dependent with different speed.
  • the spraying device slowly pass through a given quadrant of the dishwashing basket while, at the same time, the mechanical cleaning action of the dishwashing liquid is particularly strong due to the increased flushing liquid feed from the circulating pump.
  • a position sensor which detects the actual position of the spray device at least at one point.
  • the position sensor may be regularly a mechanical switch, an optical sensor, a magnetic switch or the like, which emits a signal when the spray is in a certain position.
  • the controller may also drive a flow control element or a flow control element be at least part of the control device, which also controls the amount of flushing liquid, which is supplied to the spraying device.
  • the control device also sets the rinsing fluid quantity sprayed by the spraying device and possibly the angular velocity of the spraying device which is changed by the recoil.
  • the angle-dependent rotational speed of the spray can also be adjusted by the fact that the spray device is braked by a friction and / or potential barrier.
  • a potential barrier the direction of spray is e.g. raised in the desired slow-pass through one or more guide cam over one or more predetermined angular ranges, so that the spray and the amount of flushing liquid therein must be raised.
  • By lifting the rotational energy is converted into potential energy, so that the spray is slowed down. Thereafter, it recovers its rotational energy as the spray falls back to its normal level.
  • Fig. 1 shows the bottom view of an upper spray arm of a dishwasher.
  • the spray nozzles 2 oriented downwards in different directions are distributed.
  • the spray arm 1 combined spray and drive nozzles 3 are arranged, which spray the rinsing liquid partially horizontal and perpendicular to the spray arm 1, so that the spray arm is rotated by the recoil of the sprayed rinsing liquid in rotary motion.
  • the direction of rotation is in Fig. 1 indicated by the arrow.
  • the spray surface is indicated, which is applied during the rotation of the spray arm 1 in normal operation evenly with Speller thoroughlykeitsmenge when the spray arm 1 rotates at a uniform angular velocity and the rinsing liquid is supplied with a constant amount of time.
  • a position sensor 4 is arranged, which the spray arm in the in Fig. 1 detected position detected.
  • Fig. 2 is shown schematically a block diagram of Spül folkkeitsmengenregultechnik the dishwasher.
  • the position sensor 4 detects the position of the spray arm 1 and is at each revolution of the spray arm 1 a signal to a program sequence control 5.
  • the program control 5 in turn outputs control signals to a circulation pump 6, with which the speed of the circulation pump 6 is set.
  • the circulation pump 6 then leads the spray arm 1 to the rinsing liquid with controllable amount.
  • the detergent must be rinsed out of the dosing compartment in the front door of the dishwasher.
  • the dosing is located from the spray arm 1 in the radial direction between the in Fig. 1 shown quadrants B and C.
  • this boundary region is passed through by the spray arm 1 relatively slowly. Only after the boundary between the quadrants B and C is exceeded, the angular velocity of the spray arm 1 reaches its maximum. At the same time, after exceeding the limit range, the rotational speed of the circulation pump 6 is lowered again by a time delay in the program sequence control 5, so that the rinsing liquid quantity supplied to the spray arm 1 is again reduced.
  • the adjacent to the border area quadrants are thus supplied with less Spülillonkeitsmenge, since both the speed of the spray arm 1 is higher and the Spülillonkeitsmenge is reduced.
  • the supply of rinsing liquid into the corners of the dishwasher is increased.
  • the corners are each approximately in the middle of the Quadrants A to D in radial. Direction.
  • the speed of the circulation pump 6'hightens so that in the middle An increased amount of flushing liquid is supplied to the area of the quadrants, while the acceleration of the spraying arm 1 essentially only has an effect after passing through the central area.
  • the spray arm 1 was again braked by friction, so that the next central area of a quadrant is run through again at a slow speed.
  • an increased amount of flushing liquid is introduced into the corners of the dishwasher, while in the intermediate areas a reduced amount of flushing liquid is provided, so that the cleaning effect of the flushing liquid also in the corners of the dishwasher corresponds to the cleaning effect, the in Fig. 1 is achieved in the uniform spray circuit.
  • Fig. 3 shows a throttle device 7, which is installed in the cross section of a Spülmatikeitszulauf effet for a spray arm.
  • the throttle device 7 is composed of two parallel, directly adjacent perforated disks 8, 9.
  • the perforated disc 8 is in Fig. 3 shown with a solid circle and has an oval opening 10.
  • the perforated disc 8 is arranged stationarily in the inlet in front of the spray arm.
  • the perforated disc 9 is in Fig. 3 shown in dashed lines and has a round opening 11th on.
  • the perforated disc 9 is firmly connected to the spray arm and rotates with this.
  • the free cross section for the rinsing fluid changes during the rotation of the spray arm.
  • the free opening cross section is the sectional area between the oval opening 10 and the round opening 11, which in Fig. 3 hatched. If the circular opening 11 is offset in the direction of the short axes of the oval opening 10, a reduced amount of rinsing liquid enters the spray arm, which then applies reduced rinsing liquid quantity to the dishes. If the circular opening 11 lies in the direction of the long axes of the oval opening 10, then the maximum amount of flushing liquid enters the spray arm. As a result, the amount of rinsing liquid is varied during the circulation of the spray arm and an angle-dependent supply of the rinsing liquid quantity into the spray arm is achieved by the throttle device 7.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Claims (10)

  1. Lave-vaisselle avec une installation d'arrosage (1) montée tournante, caractérisé par une installation de commande (5, 7) par laquelle la vitesse angulaire de la rotation de l'installation d'arrosage (1) est réglable en fonction de l'angle.
  2. Lave-vaisselle selon la revendication 1, caractérisé en ce que l'installation de commande (5) commande une pompe de circulation (6) qui amène à l'installation d'arrosage (1) une quantité de liquide de lavage réglable.
  3. Lave-vaisselle selon la revendication 1 ou 2, caractérisé en ce que l'installation de commande (5) commande un élément de freinage ou de retenue qui agit sur le mouvement de rotation de l'installation d'arrosage (1).
  4. Lave-vaisselle selon la revendication 1, 2 ou 3, caractérisé en ce que l'installation de commande (5) comprend un entraînement commandé par moteur ou hydraulique, au moyen duquel l'installation d'arrosage (1) peut être entraînée en fonction de l'angle.
  5. Lave-vaisselle selon l'une des revendications précédentes, caractérisé par un capteur de position (4) qui détecte la position de l'installation d'arrosage (1) au moins dans une position et émet un signal de position à l'installation de commande (5).
  6. Lave-vaisselle selon l'une des revendications précédentes, caractérisé par un élément de commande de flux traversant (7) pour le réglage de la quantité de liquide de lavage amenée à l'installation d'arrosage (1).
  7. Lave-vaisselle selon la revendication 6, caractérisé en ce que l'élément de commande de flux traversant (7) est disposé dans l'afflux de l'installation d'arrosage (1) et commande la quantité de liquide en fonction de l'angle, ou bien que l'élément de commande de flux traversant peut être commandé par une commande de programme (5) du lave-vaisselle.
  8. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce que l'installation de commande est une barrière de frottement et/ou de potentiel qui bloque en fonction de l'angle le mouvement de rotation de l'installation d'arrosage (1).
  9. Procédé de commande d'un lave-vaisselle, où le lave-vaisselle comporte une pompe de circulation (6) et une installation d'arrosage (1) montée tournante, caractérisé en ce que la vitesse angulaire de l'installation d'arrosage (1) est commandée en fonction de l'angle.
  10. Procédé de commande selon la revendication 9, caractérisé en ce que la quantité de liquide de lavage amenée par la pompe de circulation (6) à l'installation d'arrosage (1) est commandée avec une variation dans le temps et/ou l'installation d'arrosage (1) est entraînée par un entraînement à vitesse angulaire dépendant de l'angle.
EP01130767A 2001-03-10 2001-12-22 Lave-vaiselle avec dispositif d'arrosage monté tournant et procédé de commande pour celui-ci Expired - Lifetime EP1238622B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10111533A DE10111533A1 (de) 2001-03-10 2001-03-10 Geschirrspülmaschine mit einer drehbar gelagerten Sprüheinrichtung und Steuerverfahren hierfür
DE10111533 2001-03-10

Publications (3)

Publication Number Publication Date
EP1238622A2 EP1238622A2 (fr) 2002-09-11
EP1238622A3 EP1238622A3 (fr) 2003-03-19
EP1238622B1 true EP1238622B1 (fr) 2010-02-10

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EP01130767A Expired - Lifetime EP1238622B1 (fr) 2001-03-10 2001-12-22 Lave-vaiselle avec dispositif d'arrosage monté tournant et procédé de commande pour celui-ci

Country Status (2)

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EP (1) EP1238622B1 (fr)
DE (2) DE10111533A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9220393B2 (en) 2012-09-13 2015-12-29 Whirlpool Corporation Dishwasher with controlled rotation of lower spray arm
US11026555B2 (en) 2015-12-21 2021-06-08 Electrolux Appliances Aktiebolag Dishwasher comprising a wash arm arrangement
DE102020207578A1 (de) 2020-06-18 2021-12-23 BSH Hausgeräte GmbH System mit einer Geschirrspülmaschine, Verfahren zum Betreiben einer Geschirrspülmaschine und Computerprogrammprodukt
US11464390B2 (en) 2017-10-31 2022-10-11 Electrolux Appliances Aktiebolag Fan-shaped spray detergent nozzle

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US7988791B2 (en) 2008-01-14 2011-08-02 Whirlpool Corporation Dishwasher with multiple wash zones
DE102010051218A1 (de) * 2010-11-12 2012-05-16 Belimed Ag Wascharm für eine Reinigungsmaschine zum Reinigen von medizinischen, pharmazeutischen und/oder Labor-Utensilien
ITTO20120199A1 (it) * 2012-03-08 2013-09-09 Bitron Spa Assieme per il lavaggio applicato ad una macchina lavatrice e/o asciugatrice.
WO2013132458A1 (fr) * 2012-03-08 2013-09-12 Bitron S.P.A. Ensemble lavage appliqué à un lave-linge et/ou sèche-linge
WO2015090461A1 (fr) * 2013-12-20 2015-06-25 Electrolux Appliances Aktiebolag Agencement pour un lave-vaisselle permettant de créer une zone de lavage dont la position peut être sélectionnée
RU2643608C2 (ru) 2013-12-20 2018-02-02 Электролюкс Апплайнсиз Актиеболаг Устройство в посудомоечной машине, предназначенное для создания зоны мытья с более интенсивным мытьем
RU2659941C1 (ru) 2013-12-20 2018-07-04 Электролюкс Апплайнсиз Актиеболаг Устройство для обеспечения зоны мытья
US10194782B2 (en) 2014-12-18 2019-02-05 Electrolux Appliances Aktiebolag Dishwasher comprising a spray arm arrangement
KR102448862B1 (ko) * 2016-01-05 2022-09-30 엘지전자 주식회사 식기 세척기 및 식기 세척기의 제어방법
CN106419794A (zh) * 2016-10-20 2017-02-22 珠海格力电器股份有限公司 洗碗机喷淋装置及洗碗机
WO2018228679A1 (fr) * 2017-06-14 2018-12-20 Haier Deutschland GmbH Lave-vaisselle et procédé de fonctionnement d'un lave-vaisselle
US10531781B2 (en) 2017-09-29 2020-01-14 Midea Group Co., Ltd. Dishwasher with discretely directable tubular spray elements
US10524634B2 (en) 2017-09-29 2020-01-07 Midea Group Co., Ltd. Dishwasher with combined liquid and air sprayers
WO2019086107A1 (fr) 2017-10-31 2019-05-09 Electrolux Appliances Aktiebolag Ensemble bras de lavage
US11464391B2 (en) 2017-10-31 2022-10-11 Electrolux Appliances Aktiebolag Spray arm assembly
US11071440B2 (en) 2018-09-14 2021-07-27 Midea Group Co., Ltd. Dishwasher with rack-mounted conduit return mechanism
US11000176B2 (en) 2018-09-14 2021-05-11 Midea Group Co., Ltd. Dishwasher with rotatable diverter valve
US10765291B2 (en) 2018-09-14 2020-09-08 Midea Group Co., Ltd. Dishwasher with check valve in rotatable docking port
US10631708B2 (en) 2018-09-14 2020-04-28 Midea Group Co., Ltd. Dishwasher with docking arrangement for elevation-adjustable rack
US11045066B2 (en) 2019-03-11 2021-06-29 Midea Group Co., Ltd. Dishwasher with keyed coupling to rack-mounted conduit
US11191416B2 (en) 2019-09-30 2021-12-07 Midea Group Co., Ltd. Dishwasher with image-based position sensor
US11026559B2 (en) 2019-09-30 2021-06-08 Midea Group Co., Ltd. Dishwasher with image-based fluid condition sensing
US11484183B2 (en) 2019-09-30 2022-11-01 Midea Group Co., Ltd. Dishwasher with image-based object sensing
US11259681B2 (en) 2019-09-30 2022-03-01 Midea Group Co., Ltd Dishwasher with image-based diagnostics
US11399690B2 (en) 2019-09-30 2022-08-02 Midea Group Co., Ltd. Dishwasher with cam-based position sensor
US11464389B2 (en) 2019-09-30 2022-10-11 Midea Group Co., Ltd. Dishwasher with image-based detergent sensing
US11202550B2 (en) 2019-11-20 2021-12-21 Midea Group Co., Ltd. Dishwasher thermal imaging system
US11185209B2 (en) 2019-11-20 2021-11-30 Midea Group Co., Ltd. Dishwasher steam generator
US11497374B2 (en) 2020-02-19 2022-11-15 Midea Group Co., Ltd. Dishwasher with wall-mounted rotatable conduit
US11412912B2 (en) 2020-09-21 2022-08-16 Midea Group Co., Ltd. Dishwasher with tubular spray element slip ring alignment
US11484180B2 (en) 2020-11-11 2022-11-01 Midea Group Co., Ltd. Dishwasher with tubular spray element including multiple selectable spray patterns
US11826001B2 (en) 2022-02-15 2023-11-28 Midea Group Co., Ltd. Dishwasher with tubular spray element including elongated metal tube and retaining tab for mounting support member thereto
CN117086043A (zh) * 2023-10-17 2023-11-21 常州诺清智能科技有限公司 一种喷淋清洗设备

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DE1259034B (de) * 1964-12-22 1968-01-18 Constructa Werke Ges Mit Besch Vorrichtung zum Erzeugen von Spruehstrahlen, insbesondere fuer eine Geschirrspuelmaschine
DE19832982C2 (de) * 1998-07-22 2000-08-03 Premark Feg Llc Spülvorrichtung für eine Geschirrspülmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9220393B2 (en) 2012-09-13 2015-12-29 Whirlpool Corporation Dishwasher with controlled rotation of lower spray arm
US11026555B2 (en) 2015-12-21 2021-06-08 Electrolux Appliances Aktiebolag Dishwasher comprising a wash arm arrangement
US11464390B2 (en) 2017-10-31 2022-10-11 Electrolux Appliances Aktiebolag Fan-shaped spray detergent nozzle
DE102020207578A1 (de) 2020-06-18 2021-12-23 BSH Hausgeräte GmbH System mit einer Geschirrspülmaschine, Verfahren zum Betreiben einer Geschirrspülmaschine und Computerprogrammprodukt
WO2021254758A1 (fr) 2020-06-18 2021-12-23 BSH Hausgeräte GmbH Système comprenant un lave-vaisselle, procédé de fonctionnement d'un lave-vaisselle et produit-programme informatique

Also Published As

Publication number Publication date
EP1238622A3 (fr) 2003-03-19
DE50115338D1 (de) 2010-03-25
EP1238622A2 (fr) 2002-09-11
DE10111533A1 (de) 2002-09-12

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