EP1284627B1 - Dispositif de sechage de vaisselle integre a un lave-vaisselle - Google Patents

Dispositif de sechage de vaisselle integre a un lave-vaisselle Download PDF

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Publication number
EP1284627B1
EP1284627B1 EP01929644A EP01929644A EP1284627B1 EP 1284627 B1 EP1284627 B1 EP 1284627B1 EP 01929644 A EP01929644 A EP 01929644A EP 01929644 A EP01929644 A EP 01929644A EP 1284627 B1 EP1284627 B1 EP 1284627B1
Authority
EP
European Patent Office
Prior art keywords
water
air
heat exchanger
wash tank
reservoir
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
EP01929644A
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German (de)
English (en)
Other versions
EP1284627A2 (fr
Inventor
Bertram Schmid
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.)
Diehl AKO Stiftung and Co KG
Original Assignee
Diehl AKO Stiftung and Co KG
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 Diehl AKO Stiftung and Co KG filed Critical Diehl AKO Stiftung and Co KG
Publication of EP1284627A2 publication Critical patent/EP1284627A2/fr
Application granted granted Critical
Publication of EP1284627B1 publication Critical patent/EP1284627B1/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
    • A47L15/48—Drying arrangements
    • A47L15/483—Drying arrangements by using condensers
    • 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
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0034—Drying phases, including dripping-off phases
    • 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
    • A47L2401/12—Water temperature
    • 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
    • A47L2401/19—Air humidity
    • 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
    • A47L2501/02—Water discharge, e.g. opening or closure of discharge valve

Definitions

  • the invention relates to a device according to the preamble of the claim 1, as is known from FR 24 91 322 A.
  • the canal branches out over that drip tray the vertical condensation chimney from the side to a circulation fan and a heater connected downstream through the inlet opening into the wash cabinet due.
  • FR 24 87 186 A provides for the periodic regeneration of a Ion exchangers for water softening also require fresh water flow use to dry out the wash cabinet after completing the wash cycle, as a cooling medium over part of the housing wall of the wash cabinet flows and thereby the temperature in the wash cabinet during a drying cycle lowers for the condensation of the moist wash cabinet air.
  • the condensate runs into the pump sump in the wash cabinet and becomes there as a result of evaporation partially taken up again by the washroom air, which is the anyway weak drying effect of the large-volume cooling further impaired.
  • DE 35 13 639 A1 describes a device for Condensation of the water vapor in the rinse tank by means of Cold water described.
  • the cold water cools down Inner wall side of the wash cabinet.
  • the object of the invention is to provide a device to create the type mentioned at the time for the Condensation necessary water remains usable and at Condensate and dehumidified air separated effectively become.
  • the condensate and the dehumidified air separate in the lower area of the Heat exchanger surface effectively, so that the Air returned to the wash cabinet is largely dehumidified is.
  • the device can be constructed to save space, so that they do not increase the usual size of one Dishwasher or a downsizing of the Volume of the wash cabinet.
  • the wash cabinet air flows through one at the top Outlet opening provided in the air control space and through a lower inlet opening into the Washroom back.
  • This direction of flow corresponds to natural convection of the system since the wash cabinet is on top is hot and the washroom air on the heat exchanger surface cooled down sinks. It follows that the Circulation of the washroom air itself without Circulation blower takes place. However, a is preferred Circulation blower provided that the humid wash cabinet air through the air duct. This is one more even flow around the dishes in the wash cabinet possible. However, if the circulation fan fails, it remains because of the natural convection of the circulatory system Receive washroom air.
  • the heat exchanger surface is preferably at least partially arranged vertically.
  • a particularly safe one Separation between the condensate and the dehumidified Air can be achieved by being near the bottom Edge of the heat exchanger surface in the air control space Partition is arranged, being on one side the dividing wall between this and the There is a gap through the heat exchanger surface through which Condensate flows into the buffer, and at the dehumidified on the other side of the septum Air from the wash cabinet flows back into the wash cabinet.
  • the water management room is with the intermediate storage preferably connected via a valve or a throttle.
  • cooling water flows in the heat exchanger surface, preferably as a water film, continuously during the drying process Buffer. If a valve is provided, then the cooling water heated by the condensation discontinuously replaced.
  • the valve can be time-dependent or depending on the temperature of the water in the Water management room and / or the temperature of the Dishwashing air or depending on the humidity of the Wash cabinet air can be controlled or regulated. The Control or regulation takes place in such a way that a possible short drying time and the best possible Drying result is achieved.
  • a heat exchanger element and / or Heat transfer surface formed such that heat from the clipboard to the dehumidified Rinse air and / or the wash cabinet is transmitted. This ensures that the condensation resulting heat for the drying process is used that the dehumidified air or the air in the The wash cabinet is heated. It can remove more moisture from it Take dishes to be dried with you, as with a lower air temperature would be possible.
  • a dishwasher 1 has a washing compartment 2, in the crockery baskets and not shown Spray arms are arranged. Outside the washroom 2 forming rinsing container 3 is on the top and side or a drying device 4 is arranged at the rear.
  • the drying device 4 has a heat exchanger 5 on the one side of a heat exchanger surface 6 a water management room 7 and on the other side of the Heat exchanger surface 6 forms an air guide space 8.
  • a Buffer 9 designed with the Water guide space 7 in the embodiments Figures 1 and 3 is connected via a valve 10.
  • the Water guide space 7 via a throttle or capillary 11 in the buffer 9.
  • the water guide space 7 has a water inlet 12 at the top on that directly to the domestic water network or via a known water inlet system to that connected.
  • the water inlet 12 can also have a known softening system of the Dishwasher 1 be fed.
  • the Buffer 9 opens at the bottom via a valve 13 in the Washroom 2.
  • At the top of the wash cabinet 2 is an outlet opening 14 for hot, moist washroom air provided that about a horizontal shaft 15 leads into the air control space 8.
  • a circulation blower 16 is arranged in the shaft 15.
  • the air guiding space 8 opens out on the side of the partition 17 below through an inlet opening 19 in the wash cabinet 2. Die Width B of the heat exchanger 5 is depending on that in the Dishwasher 1 available space about 10 mm to 30 mm. The width B1 of the air guiding space 8 is about 5 mm to 15 mm. In contrast is the width of the gap 18 much smaller.
  • the width of the gap 18 is dimensioned such that on the heat exchanger surface 6 running condensate drops or one at the Heat exchanger surface 6 running condensate film in the Buffer 9 arrives and if possible not from the dehumidified air through the inlet opening 19 in the Washroom 2 is returned.
  • the extension of the Heat exchanger 5 is much larger than the width. For example, it can be approximately 30 cm.
  • the volume of the buffer store 9 is significantly larger than the volume of the water guide space 7.
  • the Buffer 9 has, for example, a volume of 1.5 l, whereas the water guide space 7 has a volume of for example about 0.5 l.
  • the dishwasher 1 is 10 cold water in the closed valve Water guide room 7 let in.
  • the circulation fan 16 runs and conveys hot, moist in the circuit Air from the wash cabinet 2 through the shaft 15, through the air guide space 8 and through the inlet opening 19 back into the wash cabinet 2.
  • the valve 13 On the heat exchanger surface 6 condensate condenses and runs under Gravity through the gap 18 in the Buffer 9, the valve 13 is closed. Dehumidified air thus passes through the inlet opening 19 into the washroom 2 and supports the others Drying the dishes. Over the course of the condensation takes the temperature difference at the heat exchanger surface 6 inevitably from. It is effective for another Condensation is no longer sufficient, then the valve 10 opened and the heated water from the Water management space 7 is in the intermediate storage 9 dismiss.
  • the valve 10 is then closed again and fresh cold water is in the water management room 7 filled, after which the condensation continues.
  • the Valve 10 can be time-controlled in a simple manner. It can also be a temperature-dependent control and Regulation should be provided in which the temperature of the Water in the water guide room 7 and / or the temperature the washroom air, preferably the dehumidified Rinse air, detected in the area of the inlet opening 19 becomes. It is also possible to control or regulate of the valve 10 depending on the humidity of the Air from the wash cabinet.
  • Dishwasher 1 can be accommodated.
  • the water guide space 7 is less wide than in Embodiment according to Figure 1. It is preferably only so narrow that a 6 at the heat exchanger surface Water film runs in the water guide room 7. This is avoided cooling water due to a Temperature difference in the water management room 7 circulates what is the effectiveness of condensation would affect.
  • the throttle or capillary 11 is for example, dimensioned so that 50 ml to Run through 100 ml / min.
  • the Heat exchanger surface 6 also in an approximately horizontal Area 6 'with a slight slope in the area of the shaft 15. This means that even in the area of horizontal shaft 15 a heat exchange and a Condensation takes place. By enlarging the Heat exchanger surface 6 supports the condensation. Otherwise, the embodiment of FIG. 2 is the same that of FIG. 1.
  • a Heat exchanger element 22 arranged on the one hand the water of the buffer 9 absorbs heat and this on the dehumidified washroom air in the area of Inlet opening 19 transmits.
  • the heat exchanger element 22 in the simplest case, a body can do well be heat-conducting material, which on the one hand in the Buffer 9 and on the other hand in the stream of dehumidified air sticks out.
  • the heat exchanger element 22 can also be formed by a coil which in the dehumidified air stream protrudes and that of water from the Water guide space 7 and condensate is flowed through.
  • a shell 23 in the intermediate store 9 formed into which the heat exchanger element 22 projects and that of condensate and water from the water management space 7 is filled before it is stored in the buffer 9 overflows.
  • the buffer 9 borders with a Heat transfer surface 24 to the wash cabinet 2.
  • the Heat transfer surface 24 is from the water of the Buffer 9 warms and gives heat to the Air from the wash cabinet. To in the course of the condensation process quickly warm water to the heat transfer surface 24 to get is in the buffer 9 under this a bowl 25 formed from which the water the inclined to the valve 13 bottom 9 'of Buffer 9 overflows.
  • the drying device 4 is on known water inlet system 26 and / or per se known water softening system or regeneration-metering system combined into one assembly.
  • the Water inlet 12 of the heat exchanger 5 is from the Water intake system or the water softening system Dishwasher 1 fed.
  • FIG 4 is an arrangement of the drying device 4 to the side of the door 1 'of the dishwasher 1 arranged. The usual is above the door 1 ' Control panel 1 ''.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Drying Of Solid Materials (AREA)

Claims (10)

  1. Dispositif de séchage de vaisselle comportant un dispositif de condensation pour de l'air chaud et humide de l'enceinte de lavage - passant à travers une ouverture de sortie (14) à la partie supérieure de l'enceinte de lavage (2) d'un lave-vaisselle (1) - qui, après sa déshydratation - par condensation dans une enceinte de guidage d'air (8) à l'extérieur de l'enceinte de lavage (2) - reflue par une ouverture d'entrée (19) située plus bas, dans l'enceinte de lavage (2), tandis que le condensat s'accumule dans un accumulateur intermédiaire (9) à vidanger dans l'enceinte de lavage (2), caractérisé en ce que l'enceinte de guidage d'air (8) est séparée par une enceinte de guidage d'eau (7), débouchant également dans l'accumulateur intermédiaire (9), par une surface d'échange de chaleur (6), le long de laquelle le condensat s'écoule, sous l'effet de la force de gravité, dans l'accumulateur intermédiaire (9), parallèlement à une paroi de séparation (17) qui pénètre à l'intérieur de l'enceinte de guidage d'air (8), entre la surface d'échange de chaleur (6) et l'ouverture d'entrée (19), à proximité de son bord inférieur.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il comporte une soufflante de mise en circulation (16) qui transporte l'air chaud et humide de l'enceinte de lavage à travers l'enceinte de guidage d'air (8).
  3. Dispositif selon la revendication 2, caractérisé en ce que la soufflante de mise en circulation (16) est disposée dans un compartiment (15) qui mène de l'ouverture de sortie (14) à l'enceinte de guidage d'air (8).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'enceinte de guidage d'eau (7) peut être raccordée, à sa partie supérieure, au réseau de distribution d'eau, directement ou indirectement par un système d'arrivée d'eau (26) et/ou un système adoucisseur du lave-vaisselle (1).
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'enceinte de guidage d'eau (7) est reliée à l'accumulateur intermédiaire (9) par une soupape (10) ou un organe d'étranglement (11) ou des capillaires.
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'accumulateur intermédiaire (9) est raccordé, par une soupape (13), à l'enceinte de lavage (2).
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que sur l'accumulateur intermédiaire (9) est réalisé un élément d'échange de chaleur (22) et/ou une surface de transmission de chaleur (24) de telle sorte que la chaleur provenant de l'accumulateur intermédiaire (9) soit transmise à l'air déshydraté de l'enceinte de lavage et/ou à l'enceinte de lavage (2).
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif (4) forme un ensemble qui peut être placé de l'extérieur sur une cuve de lavage (3), formant l'enceinte de lavage (2) du lave-vaisselle (1).
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif (4) est réuni en un ensemble avec un système d'arrivée d'eau connu du lave-vaisselle (1) et/ou un système d'adoucissement d'eau connu du lave-vaisselle (1).
  10. Dispositif selon l'une des revendications 1 à 3 ou 6 à 9 précédentes, caractérisé en ce que l'enceinte de guidage d'eau (7) peut être raccordée, à sa partie inférieure, au réseau de distribution d'eau, directement ou indirectement par un système d'arrivée d'eau (26) et/ou un système adoucisseur du lave-vaisselle (1), et comporte, à sa partie supérieure, un trop-plein par lequel l'eau ayant monté dans l'enceinte de guidage d'eau (7) s'écoule dans l'accumulateur intermédiaire (9).
EP01929644A 2000-05-12 2001-05-11 Dispositif de sechage de vaisselle integre a un lave-vaisselle Expired - Lifetime EP1284627B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10023346 2000-05-12
DE10023346A DE10023346A1 (de) 2000-05-12 2000-05-12 Vorrichtung zum Trocknen von Geschirr in einer Geschirrspülmaschine
PCT/EP2001/005421 WO2001085003A2 (fr) 2000-05-12 2001-05-11 Dispositif de sechage de vaisselle integre a un lave-vaisselle

Publications (2)

Publication Number Publication Date
EP1284627A2 EP1284627A2 (fr) 2003-02-26
EP1284627B1 true EP1284627B1 (fr) 2004-08-04

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EP01929644A Expired - Lifetime EP1284627B1 (fr) 2000-05-12 2001-05-11 Dispositif de sechage de vaisselle integre a un lave-vaisselle

Country Status (7)

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US (1) US20030140517A1 (fr)
EP (1) EP1284627B1 (fr)
AT (1) ATE272351T1 (fr)
DE (2) DE10023346A1 (fr)
ES (1) ES2225535T3 (fr)
PL (1) PL197997B1 (fr)
WO (1) WO2001085003A2 (fr)

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CN105455759A (zh) * 2014-08-11 2016-04-06 青岛海尔洗碗机有限公司 洗碗机及其控制方法

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IT238875Y1 (it) * 1995-12-19 2000-11-15 Electrolux Zanussi Elettrodome Lavastoviglie con dispositivo perfezionato di asciugaturaper condensazione
DE19806700C2 (de) * 1998-02-18 2001-09-27 Whirlpool Co Anordnung zum Trocknen von Geschirr in einer Geschirrspülmaschine
DE10022088A1 (de) * 1999-05-26 2001-01-04 Miele & Cie Programmgesteuerte Geschirrspülmaschine mit einer Einrichtung zum Trocknen von Geschirr

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009028803A1 (fr) * 2007-08-31 2009-03-05 Lg Electronics Inc. Lave-vaisselle
US8291922B2 (en) 2007-08-31 2012-10-23 Lg Electronics Inc. Dish washing machine
DE102013014553A1 (de) 2013-09-03 2013-11-21 Meiko Maschinenbau Gmbh & Co. Kg Geschirrspülmaschine
CN105455759A (zh) * 2014-08-11 2016-04-06 青岛海尔洗碗机有限公司 洗碗机及其控制方法

Also Published As

Publication number Publication date
ES2225535T3 (es) 2005-03-16
ATE272351T1 (de) 2004-08-15
US20030140517A1 (en) 2003-07-31
PL197997B1 (pl) 2008-05-30
PL361313A1 (en) 2004-10-04
DE50103120D1 (de) 2004-09-09
DE10023346A1 (de) 2001-11-15
WO2001085003A2 (fr) 2001-11-15
EP1284627A2 (fr) 2003-02-26
WO2001085003A3 (fr) 2002-04-18

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