EP1928289A1 - Lave-vaisselle pourvu d'un bras gicleur - Google Patents

Lave-vaisselle pourvu d'un bras gicleur

Info

Publication number
EP1928289A1
EP1928289A1 EP06805943A EP06805943A EP1928289A1 EP 1928289 A1 EP1928289 A1 EP 1928289A1 EP 06805943 A EP06805943 A EP 06805943A EP 06805943 A EP06805943 A EP 06805943A EP 1928289 A1 EP1928289 A1 EP 1928289A1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
transmitting
transponder element
spray arm
receiving
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.)
Withdrawn
Application number
EP06805943A
Other languages
German (de)
English (en)
Inventor
Wolfgang Schleifer
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Publication of EP1928289A1 publication Critical patent/EP1928289A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • 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
    • A47L2501/26—Indication or alarm to the controlling device or to the user

Definitions

  • the invention relates to a dishwasher with a detection device for detecting the rotation of a spray arm, a spray arm for such a device, and a household appliance with a device for detecting the presence of components of the household appliance.
  • a dishwasher with a position sensor for detecting the speed and position of a spray arm is known.
  • a permanent magnet is provided, and in a rinse aid dispenser, a Hall sensor is arranged, with which the
  • the Hall sensor triggers a signal, based on which the rotation or rotational speed of the spray arm is closed.
  • the dishwasher has a
  • Detection device comprising a transmitting / receiving device which can emit electromagnetic waves to a transponder element and receives a response signal of the transponder element.
  • the transmitting part and the receiving part of the detection device can be arranged at different locations or at a single point.
  • the transponder element is arranged on the spray arm and can itself be designed as an extremely simple, passive element or as an active element. The passive element is excited, for example by the frequency of the transmitting device and is due to the excitation of a response signal of the same or another frequency to the
  • An active element can receive either a simple excitation from the transmitting device or a complex signal sequence, which is then also answered with a complex signal sequence or a response to different frequencies, so that the detection device can distinguish between different transponder elements due to the signal emitted by the transponder element.
  • An example of this is an RFID Transponder element (Radio-Frequency Identification), in which an identification of the transponder element identifies the transponder element either via an excitation specially tuned to the transponder element or via a special signal sequence or frequency emitted by the transponder element.
  • the spray arm or another component of a household appliance see below
  • Transponder elements are available, for example, as adhesive labels, wherein the use in the rough Spipporaumatmospreheat a dishwasher is made possible by suitable choice of the adhesive and the label material of the transponder element.
  • a passive transponder element consists only of metallic interconnects as antenna and simple resistance or capacitance elements. Neither the space required nor the weight of transponder elements are significant, so that an already existing Sprüharmtype can be provided without further and without generating an imbalance with a transponder element.
  • a rotation of the spray arm is detected in that the receiving or transmitting the transponder element is direction-dependent, so that the receiving device of the detection device can not detect a response signal of the transponder element in each rotational position of the spray arm and thus due to a temporal variation of the detection / non-detection of Response of the transponder element to the rotational position and thus the rotation of the spray arm is closed back.
  • the transmission / reception system of detection device and transponder is designed so that the transponder can not be detected at any spatial position within the dishwasher's washing compartment, but only if he is in a limited spatial area around the detection device. In a separate arrangement of the transmitting and receiving device of the detection device, the limited spatial area can either to the transmission to the transponder or the
  • the spatial dependence is advantageously determined so that the transponder can not be detected in every position of the spray arm.
  • a chronological sequence of detecting / not detecting the transponder is reached, on the basis of which the rotation of the spray arm can be concluded.
  • the transmission and / or reception power of the transmitting / receiving device can be changed in a particularly advantageous manner, so that the detectability of the transponder element also changes spatially or positionally.
  • the transponder element can be detected over longer distances or in any angular position, while at low transmit or receive power only certain angular positions or spatial distances are detected to the transponder element.
  • a function test or a presence test is carried out in which the communication capability of the detection device is tested and in which the presence of the transponder element or of the spray arm. The same applies in application to a household appliance in general for detecting the presence of a component which is provided with the transponder.
  • this configuration and function test is completed at a higher power, it is possible to reduce to low power in order to detect a relative position of the transponder element, ie, for example, the different distance of the transponder element during the spray arm rotation or the different angular position.
  • the power is increased when a high Rinsing fluid volume is circulated within the washing compartment, and so the attenuation of the electromagnetic waves is increased within the Spülraums.
  • the presence of a component of the household appliance is checked by the fact that the corresponding component is provided with a transponder element and the presence of the transponder element is queried by means of a transmitting / receiving device;
  • the comments and variations concerning the transponder element and the transmitting / receiving device or the detection device that have been made previously apply analogously here.
  • the detection of components of the household appliance facilitates the operation of the household appliance for the user, since the configuration of the household appliance does not have to be entered or at least only partially if, for example, programs or functions of the household appliance depend on the presence / absence of this component (s).
  • the household appliance comprises a
  • Control device which receives a detection signal from the transmitting / receiving device, based on which the control device automatically detects the configuration of the household appliance and optionally controls a program sequence or function of the household appliance in dependence on the presence / absence of the individual components.
  • individualizing transponder elements are preferably provided, so that the transceiver can detect different types of transponder elements and thereby the presence / absence of-several different components in or on the household appliance.
  • the transponder element is advantageously already integrated in the spray arm material.
  • the Transponder element permanently enclosed in the Sprüharmmaterial so that a permanent and corrosion-resistant integration of the transponder element is provided on the spray arm.
  • transponder element In general, it is provided to provide components of a household appliance with a transponder element, so that they can be used for example as anti-theft device in a department store. If a self-identifying transponder element is used (see above) it is possible to identify different models of a household appliance that are assembled on the same assembly line and require different components depending on the model to identify the component using a transceiver. This ensures that the right component is installed in the right model. This results in the transponder element not only a detection of the position of the spray arm in a dishwasher or a detection of a component in a household appliance, but a
  • Fig.l a schematic arrangement of components in a dishwasher
  • FIG. 2 is a block diagram of the control of the dishwasher of FIG. 1.
  • FIG. 2 is a block diagram of the control of the dishwasher of FIG. 1.
  • FIG. 1 schematically shows a cross section through an interior of a dishwasher 1.
  • a washing container 5 of the dishwasher 1 are an upper dish rack 9, an upper spray arm 11, a lower rack 13 and a lower spray arm 15 are arranged.
  • an extendable cutlery basket 19 is arranged, to which a spray jet from a rotatably mounted ceiling shower 17 is supplied.
  • To the front is the
  • Rinsing 5 closed by a door 3, in which a metering device 7 is arranged for the rinse aid and dishwashing detergent.
  • an RFID reader 30 is arranged behind a housing wall of the metering device 7 in the metering device 7.
  • the housing wall of the metering device 7 shields the RFID reader 30 against the spray jets, while through the plastic wall electromagnetic waves (radio waves) radiated into the interior of the washing compartment 5 and can be received from this radio waves.
  • a first transponder 32 and a second transponder 34 are arranged on the spray arms 11, 15.
  • the transponders 32, 34 are RFID tags (adhesive labels) adhered with special adhesive and whose film (e.g., polyamide) is resistant to the purge atmosphere.
  • a third transponder 36 is attached in the rear of the cutlery basket 19, a third transponder 36 is attached.
  • the three transponders 32, 34, 36 each transmit a different response signal which can be detected by the receiving part of the RFID reader 30.
  • the detectability depends on whether the transponder respond to the query signal at all (can respond) or the power received by the transponder sufficient that the response signal from the transponders 32, 34, 36 from the reader 30 is receivable.
  • the transmission power of the reader 30 can be adjusted so that at elevated transmission power, the response of the transponder 32, 34, 36 is ensured in any case, regardless of the distance or orientation of the transponder to the reader 30. This case is in 1 symbolized by the dashed reading area with the radius Rl. With reduced transmission power of the reading device 30, the reliable detectability of the transponder reduces to the reading area shown in dashed lines, which is symbolized by the communication radius R2.
  • Reading range is shown in Fig. 1 only very simplified and it is understood that the actual reading range within the interior of a washing container 5 is much more complex due to reflections and damping or oscillating elements within the washing compartment.
  • Fig. 2 shows a simplified block diagram of the control of the dishwasher 1 of Fig. 1.
  • a controller 21 controls the dishwasher depending on the
  • Program options may be entered by a user via an input field 25 connected to the controller 21.
  • the controller 21 displays operating conditions or program option selection options on a display 23.
  • the controller 21 is connected to the communication device 28, which comprises the reader 30 and the transponder readable by the reader (here the transponders 32, 34, 36 of FIG. 1).
  • Distinction of the transponder 32, 34, 36 is carried out by a time-shifted transmission of signals with three different transmission frequencies by the reader 30.
  • the each by the specific frequency excitable transponder responds to the receipt of the excitation frequency with a Response signal, which is detected by the reader 30, as far as transmission power, orientation of the transponder and removal of the transponder to the reader 30 for receiving the response signal by the reader 30 is sufficient.
  • the reading device 30 transmits with higher power, so that a response signal is also obtained from the remoter transponder element 36 of the cutlery basket 19.
  • the presence of all three transponders 32, 34, 36 is detected. Should one of the transponders 32 or 34 be missing, a corresponding error signal is displayed on the display 23.
  • the controller 21 assumes that no cutlery basket 19 is present in the rinsing container 5 and thus no special program for cleaning cutlery stored in the cutlery basket 19 has to be called up or run through. In this case, either the ceiling shower 17 is supplied with no rinsing liquid, or a separate rinsing step is omitted, in which only the ceiling shower 17 rinsing liquid for intensive cleaning of the cutlery is supplied.
  • R1, R2 range

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention concerne un lave-vaisselle (1) pourvu d'au moins un bras gicleur (9, 13) et d'un dispositif de détection (30) servant à détecter la rotation et/ou la présence de ce ou de ces bras gicleurs (9, 13). Selon l'invention, le dispositif de détection (30) est un dispositif émetteur/récepteur destiné à émettre et recevoir des ondes électromagnétiques et le ou les bras gicleurs (9, 13) présentent au moins un élément transpondeur (32, 34), en particulier un élément transpondeur RFID. L'invention concerne en outre un appareil électroménager (1) comprenant un composant (9, 13, 19) qui est marqué au moyen d'un élément transpondeur (32, 34, 36) et peut être détecté grâce à celui-ci.
EP06805943A 2005-09-30 2006-09-29 Lave-vaisselle pourvu d'un bras gicleur Withdrawn EP1928289A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005046803A DE102005046803B4 (de) 2005-09-30 2005-09-30 Geschirrspülmaschine mit Sprüharm
PCT/EP2006/009458 WO2007039236A1 (fr) 2005-09-30 2006-09-29 Lave-vaisselle pourvu d'un bras gicleur

Publications (1)

Publication Number Publication Date
EP1928289A1 true EP1928289A1 (fr) 2008-06-11

Family

ID=37478786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06805943A Withdrawn EP1928289A1 (fr) 2005-09-30 2006-09-29 Lave-vaisselle pourvu d'un bras gicleur

Country Status (9)

Country Link
US (1) US20080186170A1 (fr)
EP (1) EP1928289A1 (fr)
KR (1) KR20080049101A (fr)
CN (1) CN101277638B (fr)
AU (1) AU2006299060B2 (fr)
CA (1) CA2624650A1 (fr)
DE (1) DE102005046803B4 (fr)
RU (1) RU2399364C2 (fr)
WO (1) WO2007039236A1 (fr)

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CN109938662B (zh) * 2017-12-21 2022-07-22 青岛海尔洗碗机有限公司 一种洗碗机的喷淋报警系统及安装有该系统的洗碗机
CN109938661B (zh) * 2017-12-21 2022-07-22 青岛海尔洗碗机有限公司 一种洗碗机喷淋报警装置和使用方法及具有其的洗碗机
CN110432846A (zh) * 2018-05-04 2019-11-12 青岛海尔洗碗机有限公司 一种中喷淋洗碗机的喷淋结构及具有该结构的洗碗机
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KR20220067574A (ko) * 2020-11-16 2022-05-25 엘지전자 주식회사 식기 세척기
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Also Published As

Publication number Publication date
DE102005046803A1 (de) 2007-04-12
AU2006299060A1 (en) 2007-04-12
US20080186170A1 (en) 2008-08-07
DE102005046803B4 (de) 2008-04-03
WO2007039236A8 (fr) 2008-05-02
CN101277638A (zh) 2008-10-01
CN101277638B (zh) 2011-09-28
WO2007039236A1 (fr) 2007-04-12
KR20080049101A (ko) 2008-06-03
AU2006299060B2 (en) 2010-11-18
CA2624650A1 (fr) 2007-04-12
RU2399364C2 (ru) 2010-09-20
RU2008117129A (ru) 2009-11-10

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