EP3865042B1 - Wärmerückgewinnungsofen mit geschirrspüler - Google Patents

Wärmerückgewinnungsofen mit geschirrspüler Download PDF

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Publication number
EP3865042B1
EP3865042B1 EP21157704.4A EP21157704A EP3865042B1 EP 3865042 B1 EP3865042 B1 EP 3865042B1 EP 21157704 A EP21157704 A EP 21157704A EP 3865042 B1 EP3865042 B1 EP 3865042B1
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EP
European Patent Office
Prior art keywords
water
oven
dishwasher
firebox
water tank
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EP21157704.4A
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English (en)
French (fr)
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EP3865042A1 (de
Inventor
Vasif Can Yildiran
Yusuf Guclu
Aslihan Alsan
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Renta Elektrik Ev Aletleri SanVe Dis TicLtdSti
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Renta Elektrik Ev Aletleri SanVe Dis TicLtdSti
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    • 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
    • A47L15/0097—Combination of dishwashers with other household appliances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C13/00—Stoves or ranges with additional provisions for heating water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
    • 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
    • A47L15/4285—Water-heater 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • A47L2401/09—Water level
    • 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
    • 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
    • A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/18—Arrangement of compartments additional to cooking compartments, e.g. for warming or for storing utensils or fuel containers; Arrangement of additional heating or cooking apparatus, e.g. grills

Definitions

  • the present invention relates to a heat recovery oven with dishwasher that combines both dishwashing and cooking functions in a single structure.
  • the present invention allows for taking advantage of these two functions at the same time or at different times.
  • the present invention particularly relates to a household appliance that not only occupies less space as it is capable of performing both washing and cooking functions simultaneously but also saves energy by using the heat generated in the oven section during cooking for heating the water to be used in the dishwasher.
  • Heating devices used for cooking, drying, melting, or exposing a substance to a heat process within an enclosed area and for controlling the temperature for various aims are called ovens.
  • ovens are used in many different fields. For instance, ovens are used for preparing and cooking food in household kitchens, in medium-sized industrial enterprises such as restaurants, diners, cafes, hotel kitchens, in the food industry, for producing porcelain or glass in the cement industry, iron and steel industry, and aluminum industry.
  • the heat energy in the ovens can be generated by using fuels such as coal, fuel oil, or natural gas in solid, liquid, or gas form, or by using electricity or solar heat.
  • Ovens may vary as gas ovens, electric turbo ovens, multifunctional and static ovens, or based on their purpose of use, they may be classified as household type ovens and industrial type ovens. There are household-type ovens that are used for cooking food at appropriate temperatures and under suitable conditions, contain one or more properties as thermostatic, static, turbo, etc., and provide heat with the help of conventional electric or natural gas.
  • EP2196126A1 describes a system with a heat exchanger that is used for transferring heat between the kitchen appliances (such as oven and dishwasher, etc.).
  • the invention disclosed in said application comprises at least two different household appliances, utilizes a heat exchanger for exchanging air to water, and water is heated with hot air.
  • the utility model application numbered CN2772495Y discloses a system in which the oven firebox is cooled with water.
  • the aim is to prevent the liquid and solid food spilled from the cooked foods to the base of the oven firebox from burning in extreme heat and emitting odor and smoke. Therefore, it is aimed to eliminate the burning smell in cooked food.
  • the present invention eliminating the disadvantages in the state of the art, relates to a heat recovery household appliance that consists of two parts and that offers the functions of both a dishwasher and an oven.
  • the present invention relates to an energy-saving multifunctional household appliance that comprises two separate sections in which the functions of an oven and a dishwasher are provided in a single construct.
  • the present invention transfers the waste heat between different functions of a single household appliance.
  • an object of the present invention is to develop a household appliance that comprises both oven and dishwasher within a single body.
  • dishes may be washed in the dishwasher while food is cooked inside the oven simultaneously or at different times.
  • the present invention allows for saving space.
  • Another object of the present invention is to save energy while using the dishwasher and the oven.
  • the waste heat within the oven's firebox is used for heating the water to be used in the dishwasher while the cooking function is being performed or from the moment the cooking function is completed, thereby saving energy. Heat transfer is ensured by the flow of water over the firebox of the oven section.
  • Another object of the present invention is to prevent the ambient heat from increasing through the dissipation of heat of the oven section where cooking is carried out to the environment.
  • the mains water let into the water tank which is in contact with the oven firebox is transferred to the boiler of the dishwasher as soon as the dishwasher begins operating, the heat in the oven firebox is absorbed and the oven firebox is cooled as there is a water flow from the periphery of the oven firebox.
  • the oven is also cooled rapidly, and the ambient temperature is prevented from rising uncomfortably.
  • the rapid cooling of the oven prevents the food cooked in the oven from getting overcooked, thereby preserving the crispness of the food.
  • the present invention relates to a heat recovery oven with dishwasher that is capable of performing the functions of dishwashing and cooking in two separate sections within a single structure.
  • Heat recovery oven with dishwasher has two separate doors for these two functions ( Figure 1 ) and these two functions can be operated at the same time or at different times.
  • the cooking function of the oven section (2) and the dishwashing function of the dishwasher section (3) can operate independently at different times, can also operate independently at the same time, or the dishwashing function can operate in the dishwasher section (3) immediately after the cooking function in the oven section (2) relevant with each other in the economic function.
  • the waste heat generated in the oven firebox (2.3) is used in the dishwasher section (3).
  • the water received from the mains is used for the dishwashing function in the dishwasher section (3) when it is heated by the waste heat above the oven firebox (2.3) and is adjusted to the required temperature.
  • the mains water let into the water chamber (2.4) absorbs the heat in the oven firebox (2.3) after the cooking function in the oven section (2), the oven is cooled rapidly and the ambient temperature is prevented from rising uncomfortably.
  • energy saving is also achieved since the water heated by the waste heat is used in the dishwasher section (3).
  • the carrier body (1) of said heat recovery oven with dishwasher comprises two main sections; these are the oven section (2) and the dishwasher section (3). Moreover, a central control panel (1.1) is provided within the carrier body (1), and the oven section (2) and the dishwasher section (3) are controlled from this panel.
  • Carrier body (1) of the heat recovery oven with dishwasher comprises two separate doors as the oven door (2.2) and the dishwasher door (3.2) for the oven section (2) and the dishwasher section (3), external body sheets as the upper sheet (1.2) and the side sheet (1.3), and feet (1.5).
  • the oven section (2) where the cooking function is carried out comprises the oven firebox (2.3), a cooling fan (2.6), a turbo fan (2.8), wire racks, trays, a lighting lamp, the safety thermostat, oven upper resistance (2.10), oven lower resistance (2.13), a water tank (2.4) located around the oven firebox (2.3), a water level sensor (2.12) that measures the amount of water let into the water tank, a temperature sensor (2.9), a solenoid valve (2.14) (electric valve) to direct the water to the dishwasher after the water is heated.
  • a water transfer hose (1.6) is provided between the oven and dishwasher between two sections.
  • the dishwasher section (3) where the dishwashing function is performed, comprises the dishwasher boiler (3.3), resistances, the dishwasher basket (3.4), water pump, water spray propeller, water drain filter, wastewater hose, detergent compartment, dishwasher water temperature sensor (3.5), water level meter, dishwasher boiler (3.3), water tank, mains water inlet, temperature sensor, solenoid valve (2.14), water level sensor (2.12), upper water spray propeller, lower water spray propeller.
  • the oven and dishwasher sections can operate simultaneously.
  • the dishwashing cycle is preferably carried out in the dishwasher section right after the cooking cycle in the oven section so as to achieve the highest efficiency.
  • the operating method of the heat recovery oven with dishwasher in which the dishwashing cycle is commenced right after the cooking cycle so as to achieve high efficiency comprises the following process steps;
  • the body of the inventive heat recovery oven with dishwasher comprises an insulation material (2.11) located around the oven firebox (2.3).
  • the water tank (2.4) is positioned between the oven firebox (2.3) and the insulation material (2.11).
  • the water tank (2.4) and the oven firebox (2.3) consist of separate parts.
  • the water tank (2.4) is in contact with the oven firebox (2.3) ( Figure 4-B ) and it features high thermal conductivity and a water-resistant structure that allows heat transfer.
  • the water tank (2.4) is preferably made of stainless steel.
  • the water tank (2.4) that is in contact with the oven firebox (2.3) is positioned between the oven firebox (2.3) and the insulation material (2.11).
  • the insulation material (2.11) can be an insulation blanket made of rock wool or a similar material.
  • the water tank (2.3) and the oven firebox (2.4) consist of a single part ( Figure 4-A ).
  • the mains water let into the water tank (2.4) passes directly through the body of the oven firebox (2.3). Since there is no separate wall between them, a much more efficient heat transfer is achieved. Water directly comes into contact with the body of the oven firebox (2.3) where there is waste heat of the oven firebox and receives the waste heat.
  • the water tank (2.4) is always empty and the water tank (2.4) serves as an insulator by providing heat insulation by means of the air space within the same. In this configuration; after the cooking cycle in the oven is complete and the washing cycle in the dishwasher begins, the water to be used in the dishwasher is filled into the water tank (2.4).
  • the water filling the water tank (2.4) is heated by being fed through the waste heat of the oven. At this stage, the water temperature in the water tank is measured by the temperature sensor (2.9) and transferred to the dishwasher. If the temperature of the water is lower than the desired value, it is heated by the resistance of the dishwasher, and the dishwashing cycle is started.
  • the dishwasher washing program is selected by the user at the beginning of the high-efficiency cycle via the control panel (1.1).
  • Each program has different temperature settings. For example; in economic programs, dishes are washed at a temperature between 45-50 °C, and in the intensive programs, they are washed at a temperature between 60-75 °C.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Claims (9)

  1. Wärmerückgewinnungsofen mit Geschirrspülmaschine, umfassend:
    - einen Trägerkörper (1), welcher zwei separate Türen, nämlich die Ofentür (2.2) und die Geschirrspülmaschinentür (3.2), äußere Körperplatten, nämlich die obere Platte (1.2) und die Seitenplatte (1.3), und Füße (1.5) enthält,
    - einen Ofenteil (2), in dem die Kochfunktion ausgeführt wird und welcher einen Ofenfeuerraum (2.3), ein Kühlgebläse (2.6), ein Turbogebläse (2.8), die Drahtgestelle, die Backbleche, eine Beleuchtungslampe, einen Sicherheitsthermostat, einen oberen Ofenwiderstand (2.10), einen unteren Ofenwiderstand (2.13), einen Wassertank (2.4), einen Wasserstandssensor (2.12), die in den Wassertank aufgenommene Wassermenge misst, einen Temperatursensor (2.9), einen elektrischen Solenoidventil (2.14)
    zum Leiten des Wassers
    in die Geschirrspülmaschine nach dem Erhitzen
    des Wassers enthält,
    - einen Geschirrspülmaschinenteil (3) in dem die Geschirrspülfunktion ausgeführt wird und welcher den Geschirrspülmaschinenboiler (3.3), die Widerstände und den Wasserübertragungsschlauch zwischen Ofen und Geschirrspülmaschine (1.6) Geschirrspülmaschinenkorb (3.4), die Wasserpumpe, den Wassersprühpropeller, den Wasserablauffilter, den Abwasserschlauch, das Spülmittelfach, den Wassertemperatursensor der Geschirrspülmaschine (3.5), den Wasserstandsmesser, den Wassertank, den Leitungswasserzulauf, den Temperatursensor, das Solenoidventil (2.14), den Wasserstandssensor (2.12), den oberen Wassersprühpropeller, den unteren Wassersprühpropeller enthält; der Wärmerückgewinnungsofen mit Geschirrspülmaschine ist dadurch gekennzeichnet, dass der Wassertank (2.4) um den Ofenfeuerraum (2.3) platziert ist.
  2. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach Anspruch 1, dadurch gekennzeichnet, dass ein Isoliermaterial (2.11) um den Ofenfeuerraum (2.3) positioniert ist.
  3. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach Anspruch 2, dadurch gekennzeichnet, dass der Wassertank (2.4) zwischen dem Ofenfeuerraum (2.3) und dem Isoliermaterial (2.11) platziert ist.
  4. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Wassertank (2.4) und der Ofenfeuerraum (2.3) aus separaten Stücken bestehen.
  5. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach Anspruch 4, dadurch gekennzeichnet, dass der Wassertank (2.4) aus Edelstahl hergestellt ist.
  6. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Wassertank (2.4) und die Ofenfeuerraum (2.3) aus einem einzigen Stück bestehen.
  7. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach Anspruch 6, dadurch gekennzeichnet, dass der Wassertank (2.4) und der Ofenfeuerraum (2.3), die aus einem einzigen Stück bestehen, aus Edelstahl hergestellt sind.
  8. Wärmerückgewinnungsofen mit Geschirrspülmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kochfunktion im Ofenteil (2) und die Geschirrspülfunktion im Geschirrspülmaschinenteil (3) gleichzeitig oder zu verschiedenen Zeiten unabhängig voneinander ausgeführt werden können.
  9. Verfahren zum Betreiben des Wärmerückgewinnungsofens mit Geschirrspülmaschine nach einem der vorhergehenden Ansprüche, wobei der Geschirrspülvorgang kurz nach dem Kochvorgang beginnt, um eine hohe Effizienz zu erreichen, dadurch gekennzeichnet, dass es die folgenden Prozessschritte umfasst;
    i. Beginn des Kochvorgangs im Ofenteil durch Initialisierung des genannten Hocheffizienzvorgangs vom Bedienfeld aus (1.1),
    ii. Start der Entnahme von Wasser aus dem Leitungswasser durch Öffnen des Leitungswasserzulauf-Solenoidventils (1.8), welches die Wasserzufuhr aus dem Leitungswasserzulauf (1.9) für die Spülfunktion der Geschirrspülmaschine kurz nach dem Ende des Kochvorgangs im Ofenteil steuert,
    iii. Übertragung des Leitungswassers in den Wassertank (2.4), der sich um den Ofenfeuerraum (2.3) platziert,
    iv. Messung der Temperatur des Wassertanks (2.4) mittels des Temperatursensors (2.9) und Übertragung der Temperaturinformation an die Bedienungskarte,
    v. Erhitzen des Wassers im Wassertank (2.4) durch die Abwärme des Ofenfeuerraums im Wassertank (2.4), bis es die gewünschte Temperatur für den Geschirrspülvorgang im Geschirrspülmaschinenteil erreicht hat,
    vi.
    a) Übertragung des im Wassertank (2.4) erhitzten Wassers in den Geschirrspülmaschinenboiler (3.3) durch Auslösen des Solenoidventils (2.14) durch die Karte entsprechend den vom Temperatursensor (2.9) übermittelten Daten und durch Öffnen des Solenoidventils (2.14), wenn das mit der Abwärme des Ofenfeuerraums erhitzte Wasser die Temperatur erreicht, die für das vom Benutzer ausgewählte Spülprogramm erforderlich ist, oder
    b) Übertragung des Wassers in den Geschirrspülmaschinenboiler (3.3) nach dem Öffnen des Solenoidventils (2.14) durch die Karte, nachdem die Bedienungskarte mittels des Temperatursensors (2.9) festgestellt hat, dass die Wassertemperatur nicht weiter ansteigen kann, und die Karte festgestellt hat, dass der Ofenfeuerraum (2.3) das Wasser nicht mehr aufheizt, falls das mit der Abwärme der Ofenfeuerkammer aufgeheizte Wasser die Temperatur erreicht, die für das vom Benutzer ausgewählte Spülprogramm erforderlich ist;
    vii. Erhitzung des Wassers mit dem Widerstand, falls die Wassertemperatur im Geschirrspülmaschinenboiler (3.3) mittels des Wassertemperatursensors (3.5) gemessen und direkt für den Geschirrspülprozess verwendet wird oder das Wasser nicht die Temperatur erfüllt, die für das vom Benutzer ausgewählte Spülprogramm erforderlich ist,
    viii. Beginn des Geschirrspülvorgangs im Geschirrspülmaschinenteil und Spülen des Geschirrs, in dem das Wasser mit Spülmittel für eine bestimmte Zeit und Temperatur auf das Geschirr gesprüht wird,
    ix. Ablauf des Abwassers im Geschirrspülmaschinenboiler (3.3) durch die Abwasserabflussöffnung (3.7), wenn der Spülvorgang beendet ist und Ausschalten des Gerätes, wenn der Geschirrspülvorgang beendet ist.
EP21157704.4A 2020-02-17 2021-02-17 Wärmerückgewinnungsofen mit geschirrspüler Active EP3865042B1 (de)

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TR2020/02395A TR202002395A1 (tr) 2020-02-17 2020-02-17 Isı geri kazanımlı bulaşık makinalı fırın.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200007406A1 (it) 2022-04-13 2023-10-13 S P M Eng S R L Elettrodomestico per eseguire selettivamente una cottura di alimenti o un lavaggio di stoviglie
CN114947559A (zh) * 2022-06-01 2022-08-30 嵊州市浙江工业大学创新研究院 带余热收集装置的集成灶内电烤箱及余热收集换热方法

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DE3843039A1 (de) * 1988-12-21 1990-06-28 Bosch Siemens Hausgeraete Haushaltgeraet
DE3843040A1 (de) * 1988-12-21 1990-06-28 Bosch Siemens Hausgeraete Kombiniertes haushaltgeraet fuer ein kompakt-kuechenzentrum
GB2381442A (en) 2001-11-03 2003-05-07 Christopher Bridges Combined oven and dishwasher using a single chamber for both functions
CN2772495Y (zh) 2004-12-09 2006-04-19 白长发 具有蒸脸装置的美容推车构造
EP2412287A1 (de) 2008-12-12 2012-02-01 Electrolux Home Products Corporation N.V. System mit mindestens zwei Haushaltsgeräten und Verfahren
DE102012109153A1 (de) * 2012-09-27 2014-04-17 Miele & Cie. Kg Haushaltgeräteanordnung und Verfahren

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ES2920289T3 (es) 2022-08-02
EP3865042A1 (de) 2021-08-18

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