EP2482702B1 - Lave-vaisselle doté d'un réservoir pour eau de lavage et procédé associé - Google Patents

Lave-vaisselle doté d'un réservoir pour eau de lavage et procédé associé Download PDF

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Publication number
EP2482702B1
EP2482702B1 EP10745626.1A EP10745626A EP2482702B1 EP 2482702 B1 EP2482702 B1 EP 2482702B1 EP 10745626 A EP10745626 A EP 10745626A EP 2482702 B1 EP2482702 B1 EP 2482702B1
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EP
European Patent Office
Prior art keywords
hot water
cycle
rinsing
washing
dishwasher
Prior art date
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Active
Application number
EP10745626.1A
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German (de)
English (en)
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EP2482702A2 (fr
Inventor
Helmut Jerg
Michael Rosenbauer
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL10745626T priority Critical patent/PL2482702T3/pl
Publication of EP2482702A2 publication Critical patent/EP2482702A2/fr
Application granted granted Critical
Publication of EP2482702B1 publication Critical patent/EP2482702B1/fr
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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
    • A47L15/4287—Temperature 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0015—Washing processes, i.e. machine working principles characterised by phases or operational steps other treatment phases, e.g. steam or sterilizing phase
    • 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
    • A47L15/0023—Water filling
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
    • 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
    • A47L2401/12—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
    • A47L2501/06—Water heaters
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump

Definitions

  • the present invention relates to a dishwasher, in particular domestic dishwasher, whose liquid system comprises a fleet storage device for providing rinsing liquor for the rinse cycle of a subsequent dishwasher program.
  • a dishwasher is known in which the option exists to perform a preheat cycle for preheating rinse before performing a rinse for rinsing items to be washed, in which the items to be washed in a rinsing chamber is treated with rinse.
  • This operating function is called a "wait & run" function. If this option is selected, a preheated wash liquor is available at the beginning of the wash cycle, so that at least one heating phase can be shortened or even hidden during at least one liquid-conducting partial wash cycle of the wash cycle. As a result, the time required for a rinse can be reduced.
  • a dishwashing machine comprising a washing container connected to a drainage conduit via a pump and capable of being filled with water to perform, controlled by a program control unit, functional cycles comprising at least one washing phase and / or one final washing phase is known. Furthermore, a reservoir is provided which stores at least a portion of the water from at least one of the phases to reuse the water during a subsequent phase of operation.
  • the object of the present invention is to provide a dishwasher with preheat option, in which the energy efficiency is improved.
  • the object is achieved in a dishwasher of the type mentioned above in that for the filling of the fleet storage with rinsing water hot water from an external hot water supply via a hot water supply obtainable and can be introduced into the fluid system.
  • hot water can be supplied from an external hot water supply via a hot water inlet and introduced into the liquid system of the dishwasher for filling the float storage tank, it is possible to install the device Save heating energy. Because in a subsequently started dishwashing program, this hot water from the fleet storage can be used for a partial wash cycle such as a cleaning cycle or rinse, which requires heated water. If the temperature of the hot water from the fleet storage tank is sufficiently high, a heating phase in this partial rinse can be partially or completely eliminated. In particular, the pre-rinse cycle of a rinse cycle implemented or effected by a selected dishwasher program can be omitted or omitted. In this way, the expiration of dishwasher programs can be shortened. In particular, this hot water reference for a "wait &run" be energy efficient.
  • the hot water can be introduced without reheating in the fleet storage, when its inlet temperature is equal to or greater than a minimum temperature. This allows for maximum energy savings.
  • the inlet temperature of the hot water purchased is smaller than the minimum temperature, it may be appropriate to heat the hot water by reheating to at least the desired minimum temperature prior to its introduction into the fleet storage or introduced into the fleet storage hot water. This can be done with little device-side energy consumption.
  • the hot water inlet for receiving hot water from the external hot water supply is controlled by a control device. This allows the incoming hot water amount to be dosed.
  • fleet storage means in particular, a storage container which serves for the intermediate storage of rinsing liquor liquid.
  • E is expediently arranged outside the washing container of the dishwasher.
  • the liquid system of the dishwashing machine may in particular comprise a circulating pump, a sump in the bottom of the dishwashing container of the dishwasher, an electric heater, one or more spraying devices, one or more fluid lines, and / or include the fleet storage.
  • a controllable by a control device cold water inlet for receiving cold water from an external cold water supply is provided in addition to the hot water connection.
  • specific hot water and / or cold water can be fed into the liquid system of the dishwasher according to the invention for each program step of a selected dishwasher program or for each sub-wash associated therewith, whereby an increase in efficiency, in particular with regard to drying line and / or cleaning performance of the dishwasher according to the invention is effected.
  • a control device is provided, with the at least one wash program for controlling a wash cycle for washing dishes in a wash chamber and at least one preliminary preheating program for controlling a preheat cycle for the wash liquor to be buffered in the liquor store, in particular separately from each other, are callable.
  • this preheating program may include a hot water reference from the external hot water supply. It is possible in this way, in particular, that the preheating limited to a pumping phase during which the hot water is pumpable into the fleet storage.
  • a Nachconcephase for the hot water referred can therefore be omitted if its inlet temperature is equal to or greater than a desired minimum temperature. If the inlet temperature of the purchased hot water is less than the desired minimum temperature, the preheating may in particular include a Nachfindphase during which the hot water is reheated.
  • the invention relates to a dishwasher, in particular a domestic dishwasher, with a control device, in which at least one wash program for controlling a wash cycle for washing items in a wash chamber and at least one preheat program for controlling a preheat cycle or -, which a heating phase for preheating a wash liquor for provides a rinse cycle, in particular each separately from each invoked.
  • a control device in which at least one wash program for controlling a wash cycle for washing items in a wash chamber and at least one preheat program for controlling a preheat cycle or -, which a heating phase for preheating a wash liquor for provides a rinse cycle, in particular each separately from each invoked.
  • it has a controllable by the controller hot water inlet, which is provided for receiving hot water for connection to an external hot water supply, wherein during the Vorholicgangs or cycle by means of the hot water inlet takes a recording of hot water, said provided for preheating rinse using the recorded hot water is formed.
  • the dishwasher thus has, in particular, a control device for the automatic control of operating sequences of the dishwasher.
  • the control device can be designed as so-called sequence control, in particular as electronic sequence control.
  • At least one wash program for controlling a wash cycle for washing items to be washed, in particular for washing dishes, is stored in the control device.
  • several wash programs are provided, one of which can be selected and started by the operator. This makes it possible to adjust the sequence of a rinse cycle in particular to the load, to the type of loading, to the degree of soiling of the items to be washed and / or to the desired duration of the rinse cycle.
  • the respective stored washing program can in particular at least one pre-rinsing step for pre-cleaning items in a pre-rinse, at least one cleaning step to thoroughly clean items in a cleaning cycle, at least one intermediate rinse step for removing soiled rinse from the dishes in a rinse cycle, at least one rinse step to avoid stains on the items to be washed and / or for the preparation of a drying step in a rinse cycle, and / or at least one drying step for drying the items to be washed.
  • At least one preheating program for controlling a preheating cycle or cycle for preheating rinsing liquor for a rinse cycle is stored in the control device.
  • a plurality of preheating programs may be provided in which, for example, rinsing liquor is preheated to different temperatures.
  • the respective Vorffygang or cycle may be limited only to a pumping phase, with which the hot water is pumped into the fleet storage tank, if the inlet temperature of the hot water is equal to or higher than a desired minimum temperature. Only if the inlet temperature of the hot water is lower than this required minimum temperature, the pumping phase can be assigned a real preheating phase for reheating the hot water in parallel or upstream.
  • this hot water is preferably only with the help of the switched circulating pump of the dishwasher according to the invention and when open Valve whose fleet storage pumped into these.
  • the heating device in the liquid system of the dishwasher in particular liquid circulation of the circulating pump, and / or any specially provided Fleet storage heater remains switched off. After filling the fleet storage valve is closed. The cached in the fleet storage hot water is ready for retrieval there at least for a first liquid-carrying sectionzzigang a later started dishwashing program.
  • a rinsing liquor is understood in particular to mean a liquid which is intended to be applied to the ware in order to clean it and / or to treat it in another way.
  • the rinsing liquor may also be provided for heating the items to be washed, which is customary, for example, during a rinsing step.
  • a rinse liquor usually consists to a large extent of water.
  • the rinsing liquor can be cleaned with cleaning agents, with cleaning aids, such as For example, rinse aid, other additives, and / or be enriched with dirt that has been solved by the dishes.
  • the intended for the filling of the fleet storage rinse water is in particular raw water from an external hot water supply system.
  • This can be partially or completely heated in particular by a thermal solar system.
  • energy sources in particular CO 2 -reduced or CO 2 -neutral, or regenerative energy sources such as pellet or wood chip heating systems can be provided for the hot water supply system.
  • the preheated washing liquor can be temporarily stored in the dishwasher until the start of a wash cycle and used in the wash cycle for treating the washware, in particular in at least one liquid-conducting partial wash cycle, whereby heating times can be shortened or faded out during the wash cycle.
  • Preheating and washing program can be started independently by an operator of the dishwasher in an advantageous manner.
  • the operator has the opportunity to start the preheat program first and to initiate a rinse program at any later time after completion of the preheat program.
  • the items to be washed need to be invited after the completion of the preheat program in the washing chamber of the dishwasher.
  • the time can be shortened, in which the ware is not available for its intended use.
  • the dishwasher is at least partially loaded before the preheating program.
  • the water required for carrying out rinses is expediently taken up in the dishwasher according to the invention via a water inlet device which has at least one hot water inlet which can be controlled by the control device.
  • the hot water supply is connected to an external hot water supply to accommodate hot water can.
  • external hot water supply it may be e.g. to a domestic hot water supply, in particular a solar-powered or solar-assisted hot water supply system act, which, for example, hot water with a set temperature, in particular between 40 ° C and 60 ° C, provides.
  • the hot water inlet is designed so that it can withstand the expected for a hot water supply temperatures over the entire life of the dishwasher.
  • the dishwasher according to the invention is provided in particular during the preheat cycle by means of the hot water inlet to receive hot water and to use the recorded hot water in the formation of vorzuraceenden wash liquor.
  • the energy required to preheat the rinsing fluid can be drastically reduced.
  • the rinse liquor is at a temperature of e.g. 80 ° C can be heated when receiving hot water, which has a temperature of e.g. 45 ° C, compared to the intake of cold water, which has a temperature of e.g. 10 ° C, in particular up to 50 percent of the required for the preheat cycle electrical energy can be saved.
  • the dishwasher can have a controllable by the control device cold water inlet, which is for receiving cold water for connection to an external cold water supply is provided.
  • the hot water supply a hot water valve and the cold water inlet include a cold water valve, the hot water valve and the cold water valve can be independently controlled by the controller.
  • the energetic load of the external hot water supply can be minimized by the removal of hot water. It can be adjusted by mixing cold water and hot water, a resulting temperature exactly to the needs of each operating phase.
  • a water inlet device which in particular has a hot water inlet and a cold water inlet, can also be referred to as a bithermic water inlet device.
  • the controllable hot water valve and / or the controllable cold water valve may preferably be designed as solenoid valves, which have only an open state and a closed state.
  • solenoid valves By using such valves, it is possible in a simple manner, depending on the respective washing program to form a rinsing liquor, which comprises hot water from the hot water supply and / or cold water from the cold water supply.
  • throttle valves which make it possible to precisely control the flow of hot water or cold water. In both cases can be dispensed with an external device for controlling the water absorption.
  • the hot water valve is arranged at an upstream end of a hot water hose and designed such that it can be fastened to a connection piece of the external hot water supply, and / or that the cold water valve is arranged at an upstream end of a cold water hose and configured that it can be attached to a connector of the external cold water supply.
  • the hot water valve and / or the cold water valve can have, for example, connection threads which correspond to threads of domestic taps.
  • Such valves can be designed in particular as Wasserstopp- or Aquastop valves. Therefore, a water supply device, which has a equipped with an aquastop valve hot water inlet and equipped with an aquastop valve cold water inlet, also referred to as bithermic Aquastop inlet device.
  • the expedient arrangement of the hot water valve and / or the cold water valve at the upstream end of the water inlet device has in particular the advantage that practically no leakage water can escape from the dishwasher even in the event of damage as long as the valves are closed. If the valves are designed to close when not energized, leaking of leakage water from a switched-off dishwasher is prevented in virtually all cases.
  • the flow control device may in particular be associated with a leak water sensor for detecting leakage water, so that the flow control device can close the valves when leak water occurs during operation of the dishwasher.
  • the preheating cycle may in particular provide for pumping the rinsing liquor into the liquor storage facility, wherein during a heating phase the rinsing liquor pumped into the liquor store can be heated with a liquor storage heater assigned to the liquor store.
  • a liquor storage heater assigned to the liquor store assigned to the liquor store.
  • the rinsing liquor can be circulated during a heating phase in a circulation circuit, wherein the circulation circuit comprises a circulation pump for circulating the rinsing liquor, a heater for heating the circulated rinsing liquor and a spraying device for spraying the dishes with the circulated rinsing liquor, wherein by doing Circulation cycle the rinsing liquor is passed from a rinsing chamber and returned via the spray system in the rinsing chamber, wherein the rinsing liquor is heated by the heating device.
  • the circulation circuit comprises a circulation pump for circulating the rinsing liquor, a heater for heating the circulated rinsing liquor and a spraying device for spraying the dishes with the circulated rinsing liquor, wherein by doing Circulation cycle the rinsing liquor is passed from a rinsing chamber and returned via the spray system in the rinsing chamber, wherein the rinsing liquor is heated by the heating device.
  • Such a circulation circuit is practically present in every modern dishwashing machine in order to be able to supply wash ware to the items to be washed in the water-carrying partial wash cycles, ie in particular during a pre-wash cycle, during a wash cycle, during an intermediate wash cycle and / or during a rinse cycle.
  • the circulating pump, the heater and the spray system optionally associated valves, water switches and the like can be controlled by the control device of the dishwasher.
  • the already existing circulating pump can be used during the heating phase for circulating the rinsing liquor, wherein the circulated rinsing liquor can be passed to the already existing heating device and heated by them.
  • the already existing spray can be used.
  • the invention can thus be implemented without a design change of a known dishwasher by providing a preheating program which automatically controls said components during the preheat cycle.
  • the entire volume of the rinsing liquor can be heated quickly and uniformly.
  • a first recirculation circuit can be provided for impinging washware in a rinsing chamber with the rinsing liquor
  • the first circulating circuit is a circulating pump for circulating the rinsing liquor, a heating device for heating the circulated rinsing liquor and a spraying device for spraying the washware with the circulating rinsing liquor
  • the rinsing liquor is led out of the rinsing chamber and returned to the rinsing chamber via the spraying device
  • a branching point is provided which is associated with flow control means which make it possible to selectively circulate the rinse liquor in the first recirculation circuit and / or in a second recirculation circuit
  • the second circulation circuit comprises the circulating pump, the heating device and a fleet storage device, wherein in the second circulation circulation the rinsing liquor is conducted
  • the first circulation circuit described here basically corresponds to the previously described circulation circuit.
  • additional flow control means are provided, which make it possible to selectively carry rinsing fluid through the second circulation circuit.
  • flow control means are understood to mean those means which can influence the flow of a rinsing liquid.
  • electrically actuatable flow control means are provided, which allow an automatic control of the flow of rinsing liquid by a control device of the dishwasher in a simple manner.
  • the flow control means are expediently designed so that in a first operating state, the rinsing liquor can circulate at least substantially in the first circulation circuit. In this way, a conventional treatment of items to be washed, such as dishes, possible. Furthermore, they are designed so that in a second operating state, the rinsing liquor can circulate at least substantially in the second circulation circuit.
  • other operating states may also be provided in which no circulation or circulation in both recirculation circuits is possible.
  • a predominant part of the total volume of the rinsing liquor during the circulation in the second circulation circuit can be located in the fleet storage itself, which ultimately also means that only a small part of the circulated rinsing water is in the washing chamber and can give off heat there.
  • the rinsing liquor is circulated in the second circulation and heated thereby, the rinsing container, the insulation, possibly located in the rinse container and washed with the rinse container thermally connected other components of the dishwasher are heated less than is the case with the conventional heating a rinsing liquor.
  • a rinsing liquor can be heated with a lower energy input.
  • less water vapor is generated in the washing chamber, which further reduces energy losses.
  • the second opening of the fleet storage can be connected in particular to the rinsing container that the rinsing fluid circulated in the second circulation cycle in the rinsing chamber travels a shorter distance until it reaches the collection pot, as in a circulated in the first recirculation and thus in the spray circulation system in the Rinsing container introduced flushing liquid is the case.
  • the heat output of the rinsing liquor in the rinsing chamber continues to decrease.
  • the proposed according to this advantageous embodiment variant dishwasher allows the heating of rinsing water both in the first circulation and in the second circulation with only one heater. This results in a simple construction of the dishwasher according to the invention.
  • the heating device can be arranged, for example, in the washing container, in the collecting pot, between the collecting pot and the circulating pump or between the circulating pump and the branching point.
  • the circulating pump can be connected on the input side to a collection pot arranged on the rinsing container for collecting rinsing liquid and preferably in or be arranged on the collecting pot, which is why this is also referred to as a pump pot.
  • a temperature of the rinsing liquor may be monitored during the preheating cycle by means of a temperature sensor connected to the control device for transmitting measured temperature values, the intended heating phase of the preheating cycle being controlled as a function of the measured temperature of the rinsing liquor.
  • a temperature sensor For monitoring the temperature, for example, a temperature sensor can be used, which is also used during the execution of a rinse cycle for measuring the temperature of the rinse water used in each case. For this purpose, it can be arranged such that it is in thermal contact both with a rinsing liquor circulated in the first circulation circuit and with a rinsing fluid circulated in the second circulation circuit.
  • the rinsing liquor in the second recirculation circuit can be returned to the rinsing chamber in such a way that it flows downwards along an inner side of a wall of the rinsing chamber, in particular along a side wall.
  • the rinsing fluid circulated in the second circulating circuit does not come in contact or only slightly with dishes placed in dish racks. This applies even if the rinsing liquor is introduced into an upper area of the rinsing chamber for design reasons. In this way, a heat transfer of the wash liquor is avoided to the items to be washed, so that the efficiency of the dishwasher continues to increase.
  • the second opening may be connected via a return line for returning the rinsing liquor to the rinsing chamber.
  • a return line makes it possible regardless of the arrangement of the fleet storage to initiate the rinsing liquor in the rinsing chamber, that this gives off little heat there.
  • the return line can run inside and / or outside the rinsing chamber.
  • the mouth of the return line may be provided in the vicinity of the collecting pot.
  • the second opening may be formed as an overflow opening.
  • a uniform rinsing liquid level is ensured in the float storage tank without complex control means in the region of the second opening.
  • About the overflow opening leaves per unit time, in particular exactly that amount of rinsing the fleet storage, which is supplied to the fleet storage via the first opening.
  • a favorable for the heating circulation speed for example, in the order of 20 to 30 l / min, can be adjusted in a simple manner by controlling the speed of the circulating pump. This results in a uniform recirculation flow, so that the located outside of the fleet storage amount of rinsing water can be kept low, which is energy efficient, without this there is a risk of dry running of the water heater, which could damage them.
  • the first opening and the second opening are arranged at opposite end areas of the float tank.
  • flow guidance elements can be provided in the fleet memory.
  • the formation of Strömungsstoten or flow-reduced zones in the fleet memory can be further reduced.
  • the first opening may be arranged at a lower end of the fleet storage. This makes it possible to empty the fleet storage with the aid of the weight of the rinsing liquor through the first opening. This makes it possible in a simple manner, to lead stored in the fleet storage rinse back into the first circulation when, for example, the items to be washed by means of the rinsing liquor to be treated.
  • the flow control means may in particular comprise a water diverter which has at least one controllable outlet which is connected to at least one spray element of the spray device and which has a further outlet which is connected to a connection line leading to the liquor storage.
  • a water diverter is present in virtually all modern dishwashers and serves, in particular, to distribute rinsing liquid supplied by the circulating pump to different spray elements of the spray system of the dishwasher.
  • the spray system may include an upper rotatable spray arm, a lower rotatable spray arm, and a fixed overhead shower, each of which may be connected to an outlet of the water switch.
  • the water switch may have various operating states in which individual ones of these outputs, several of these outputs or all these outputs are selectively opened or closed. The control of the water switch takes place automatically.
  • the branch point can be integrated into the water switch, so that the design of the dishwasher is simple.
  • the water switch may in particular be designed so that all provided for the spray system outputs can be closed simultaneously. In this way, it is possible without much effort to interrupt the first recirculation cycle when the rinsing fluid through the second circulation circuit should be performed, for example, to heat the rinsing liquid, without wanting to treat the dishes at the same time.
  • the output for the connecting line can in particular be designed so that it is controllable, or that it is always open.
  • the flow control means may in particular comprise a check valve, which is arranged in the connecting line.
  • a shut-off valve is understood to mean valves which, unlike conventional water diverters, which can only block in a flow direction, can interrupt a flow of liquid in both directions of flow.
  • the heater is designed as a water heater.
  • a water heater comprises a water-conducting element, for example a pipe, on or in which at least one heating element is arranged.
  • a water heater also called continuous heating, is characterized by a small size, by a good efficiency and by a uniform heating of the circulated rinsing water.
  • the continuous heating may expediently be integrated into that pump which is used during the heating phase for circulating the rinsing liquor.
  • insulating means may be provided which counteract a transfer of heat located in the interior of the reservoir to the outside.
  • Such insulating agents counteract cooling of the rinsing liquor in the reservoir. In this way, the efficiency of the dishwasher can be increased, in particular if there is a longer period of time between the preheating cycle and the rinse cycle.
  • At least a substantial part of the hot water is stored without reheating or heated during a post-heating phase rinsing after Vorterrorismzyklus, preferably at least until the beginning of the rinse, stored in the fleet storage.
  • the heated water is stored in the washing chamber of the dishwasher after completion of the preheat cycle, in such a dishwasher advantageously formed both heat losses by heat conduction and heat losses can be reduced by evaporation of wash liquor.
  • the temperature of the stored rinsing liquor may be higher, in particular at the beginning of the respective rinsing program compared to a cold water filling, an intensive thermal effect is achieved with the rinsing liquor already at the beginning of the treatment of the ware, which is for example during a Cleaning cycle of the rinse makes noticeable by a higher cleaning performance, which in turn can allow a shortening of the cleaning cycle with comparable cleaning effect.
  • a rinse cycle for example, if prewarmed rinse liquor is used, the items to be washed can be heated more quickly, so that the items to be washed can reach the temperature required for a subsequent drying cycle more quickly. As a result, the duration of the rinse cycle can be further shortened overall.
  • the heated hot water without or with subsequent heating in the liquor storage tank can be prevented from leaving the dishwasher during the loading of the wash after a preheat cycle. In this way, in particular an enrichment of the ambient air with moisture can be reduced. In addition, an undesirable effect of water vapor on the operator during loading of the washing chamber of the dishwasher can be avoided. As a result, the ease of use can be increased.
  • a temperature measuring sequence downstream of the preheating cycle for measuring the temperature of the rinsing liquor heated during the preheating cycle can be provided by means of a temperature sensor.
  • a cooling of the caching rinse liquor can be detected between the preheat cycle and the beginning of the rinse cycle.
  • the rinsing liquor can be circulated during the measurement in the second circulating circuit, so that the temperature sensor can be arranged at any point in the second circulating circuit. In addition, this results in a thorough mixing of the rinsing liquor, so that a meaningful average temperature can be detected.
  • a post-heating sequence in which the rinsing liquor is preferably circulated and heated in the second circulation circuit. In this way it can be ensured that at the beginning of the rinse the rinse liquor has the intended temperature.
  • a first partial rinse cycle of the rinse cycle is in particular a cleaning cycle in which rinsing liquor heated and then stored during the preheating cycle is used.
  • a rotational speed of the circulating pump during a circulation of washing liquor in the second circulating circuit, in particular during the heating phase may be lower than during the circulating in the first circulating circuit, in particular as during a partial washing cycle of the washing cycle. In this way, turbulence of the rinsing liquor in the rinsing container can be reduced, which leads to a lower heat output of the rinsing liquor.
  • an output of a message can be provided after the end of the preheat cycle, which signals the end of the preheat cycle to the user. This will enable the operator to use the wash program as soon as possible.
  • the message can be made via an output device, which in particular comprises acoustic and / or visual output means.
  • Acoustic output means may in particular comprise lamps, light-emitting diodes, alpha-numeric and / or graphic output means.
  • Optical output means may include, for example, buzzer and / or speakers.
  • the invention also relates to a method for providing rinsing liquor in a liquor storage of the liquid system of a dishwasher, in particular domestic dishwasher, for the rinse of a subsequent Geschirr Hopkinsprogramms, which is characterized in that for the filling of the fleet storage with rinsing hot water from an external hot water supply via a hot water supply and introduced into the fluid system.
  • an advantageous development of the invention relates to a method for operating a dishwasher according to the invention, in particular domestic dishwasher, in which a rinse cycle for rinsing items to be washed in one Rinsing chamber and a preheat cycle for preheating rinse liquor for the rinse cycle is performed.
  • a rinse cycle for rinsing items to be washed in one Rinsing chamber and a preheat cycle for preheating rinse liquor for the rinse cycle is performed.
  • hot water is taken up by an external hot water supply by means of a hot water supply during the preheating cycle, wherein the hot water taken is used to form the intended for preheating rinse.
  • This advantageous variant of the method enables an efficient operation of a dishwasher, in particular a dishwasher according to the invention.
  • FIG. 1 only those components of a dishwasher are provided with reference numerals and explained which are necessary for the understanding of the invention. It goes without saying that the dishwasher according to the invention can comprise further parts and assemblies.
  • FIG. 1 shows an advantageous embodiment of a household dishwasher according to the invention 1 in a schematic side view.
  • the dishwasher 1 has a control device 2, in which at least one wash program for controlling a wash cycle for washing dishes, in particular dishes, is deposited.
  • a plurality of washing programs are stored, so that by selecting a suitable washing program, the sequence of a controlled by the control unit 2 rinse, for example, to the load, to the type of load, to the degree of contamination of the dishes and / or to the desired duration of the wash can be adjusted.
  • the one or more washing programs may comprise, for example, at least one pre-rinsing step, at least one cleaning step, at least one intermediate rinsing step, at least one rinsing step and / or at least one drying step.
  • At least one preheating program for controlling a preheating cycle for preheating the washing liquor S for a rinse cycle is stored in the control device 2.
  • the preheating program can be carried out before the washware intended for rinsing is loaded into the dishwasher 1.
  • preheated rinse liquor is available at the beginning of the rinse cycle, so that one or more heating phases for rinse liquor can be shortened or faded out during the rinse cycle.
  • the rinse can be completed much faster overall.
  • the time duration in which the items to be washed in the dishwasher 1 at least remain and consequently not available for use can be reduced. This advantage arises in particular when there is a greater difference between the rinse water temperature provided for the rinse cycle and the temperature of the water provided by an external water supply.
  • the control device 2 is associated with an operating device 3, which allows an operator of the dishwasher 1 to call one of the preheating programs or one of the washing programs independently of each other and thereby start.
  • the operator has the option of first initiating a preheating cycle or preheating cycle and, later, a rinse cycle.
  • the start of the rinse cycle can be done in principle at any time after completion of the preheat cycle or cycle.
  • the dishwasher 2 can be used very flexibly according to the needs of the operator.
  • the operator has the opportunity to start a rinse without a previous preheat cycle, which may be useful if sufficient time is available to carry out a rinse cycle or if an intended implementation of a preheat cycle has been omitted by mistake.
  • control device 2 is associated with an output device 4, which allows the output of messages to the operator.
  • the output device 4 may comprise, in particular, indicator lamps, light-emitting diodes, an alpha-numeric display and / or a graphic display for outputting optical messages.
  • the output device 4 for outputting acoustic messages may in particular comprise a buzzer, a loudspeaker and / or the like.
  • the operator can be notified by means of the output device 4 of the completion of a preheat cycle.
  • the dishwasher 1 further comprises a rinsing container 5, which can be closed by a door 6, so that a closed rinsing chamber 7 is formed for rinsing dishes.
  • a rinsing container 5 which can be closed by a door 6, so that a closed rinsing chamber 7 is formed for rinsing dishes.
  • the door 6 is shown in its closed position.
  • the door 6 can be brought into an open position by pivoting about an axis arranged perpendicular to the plane of the drawing, in which it is aligned substantially horizontally and enables the introduction or removal of items to be washed.
  • the operating device 3 is arranged in an easy to use manner at an upper portion of the door 6.
  • the output device 4 is also arranged on the upper portion of the door 6, so that optical messages are clearly visible and audible messages are clearly audible.
  • the control device 2 is positioned there, so that the required signal connections between the operating device 3, the output device 4 and the control device 2 can be kept short. In principle, however, it is possible to arrange the operating device 3, the output device 4 and / or the control device 2 elsewhere.
  • the control device 2 could also be designed decentralized, which is understood to include spatially separated components, which are connected via communication means such that they can cooperate.
  • the dishwasher 1 has an upper dish rack 8 and a lower dish rack 9 for positioning dishes.
  • the upper dish rack 8 is arranged on extension rails 10, which are each attached to a side wall of the washing compartment 5.
  • the crockery basket 8 can be moved out of the washing container 5 with the door 6 open by means of the extension rails 10, which facilitates the loading and unloading of the upper crockery basket 8.
  • the lower dish rack 9 is arranged in an analogous manner on extension rails 11.
  • the dishwasher 1 comprises a schematically illustrated water inlet device 12.
  • This has a hot water inlet 13, 14 and a cold water inlet 15, 16, wherein the hot water inlet 13, 14 for receiving hot water WW from an external hot water supply WH and the cold water inlet 15, 16 for receiving of cold water KW from an external cold water supply KH is provided.
  • a water supply device 12 is also referred to as a bithermic water supply device 12.
  • the hot water supply 13, 14 comprises a hot water valve 13 and the cold water inlet 15, 16, a cold water valve 15.
  • the hot water valve 13 and cold water valve 15 are constructed by the control device 2 controllable and basically identical.
  • both valves 13, 15 may be formed as a solenoid valve.
  • the inlet sides of the valves 13, 15 are each formed so that they can be attached to fittings WH, KH a household water supply, for example, to faucets WH, KH, can be attached.
  • the connection can be made in each case by means of a screw connection, a snap connection or the like.
  • Such valves 13, 15 can be used in particular as Aquastop valves 13, 15 be formed.
  • the bithermic water inlet device 12 can therefore also be referred to as a bithermic aquastop device 12.
  • valves 13, 15 are closed when they are not activated, so that the dishwasher 1 is disconnected from the water supply WH, WK in the off state. In this way, leakage of leakage water from the switched-off dishwasher 1 can be avoided in the event of a fault.
  • FIG. 1 the input side of the hot water valve 13 to a hot water tap WH and the input side of the cold water valve 15 connected to a cold water tap KH.
  • the output side of the hot water valve 13 is connected to a hot water hose 14 and the output side of the cold water valve 15 with a cold water hose 16, wherein the downstream ends of the hot water hose 14 and the cold water hose 16 are connected to an input side of a connector 17 to a housing 18 of the dishwasher 1.
  • the water inlet device 12 it is therefore possible to individually direct hot water WW from an external hot water supply WH and / or cold water KW from an external cold water supply KH into the interior of the dishwasher 1.
  • the hot water supply can be partially or completely fed with thermal energy in particular by a solar thermal system.
  • the hot water hose 14 and / or the cold water hose 16 may be formed as safety hoses with an inner water-carrying pressure hose and an outer Hüllschlauch, wherein between the pressure hose and Hüllschlauch each a leakage water channel for discharging any leak water may be provided.
  • leak water which occurs during operation of the dishwasher 1 in the region of the water inlet device 12, be conducted via the housing-fixed connection piece 17 in the interior of the dishwasher 1.
  • a leak water sensor not shown, so that appropriate measures, such as closing the hot water valve 13 and cold water valve 15, can be initiated.
  • the dishwasher 1 further comprises liquid-conducting connection means 19, which make it possible to direct the absorbed water WW, KW from the outlet of the housing-fixed connection piece 17 in the rinsing chamber 7. It can be provided that in the liquid-conducting connection means 19, a water treatment device, not shown for processing the absorbed water WW, KW and / or a heat exchanger for preheating the recorded water WW, KW is performed before it enters the washing chamber 7.
  • a collecting pot 21 is formed, in which the washing liquor S located in the washing chamber 7 collects due to its gravitational force.
  • the collecting pot 21 stands in connection with a circulating pump 22, with the aid of which washing liquor S can be pumped out of the collecting pot 21 via a heating device 23 to a water distributor 24.
  • the circulating pump 22, the heating device 23 and the water diverter 24 are controlled by the control device 2 during the operation of the dishwasher 1.
  • the circulation pump 22 preferably has a brushless electric motor, preferably a brushless permanent magnet motor, which may be designed as a DC motor, AC motor or synchronous motor.
  • the rotor of a brushless permanent magnet motor comprises at least one permanent magnet, whereas the stator has a plurality of electromagnets. These electromagnets are commutated via a control electronics.
  • the direction of rotation of the permanent magnet motor can be clearly defined, so that the water-carrying parts of the circulation pump 22 can be fluidly optimized with respect to a designated direction of rotation. This results in a high flow rate with low energy consumption.
  • the speed of the motor and thus the delivery rate of the circulation pump 22 can be controlled as needed by means of the control electronics.
  • the brushless permanent magnet motor can be designed as a wet rotor, so that elaborate sealing measures are eliminated.
  • the heater 23 is provided for heating rinse S and designed as a continuous heating 23.
  • an openly arranged heating element for example a heating element arranged in the rinsing chamber 7 or in the collecting pot 21, could also be provided.
  • the water switch 24 allows a controlled forwarding of the supplied from the circulation pump 22 rinse liquor S. It has in the embodiment of three outputs, of which a first with an upper rotary spray arm 25 and a second with a lower rotatable spray arm 26 is connected.
  • the spray arms 25 and 26 form a spray unit 25, 26 which is arranged in the rinsing chamber 7 and which enables the rinsing liquor S to be loaded with wicks.
  • the water diverter 24 is controllable such that the rinsing fluid S conveyed by the circulating pump 22 is selectively conveyed into the rinsing chamber 7 by none of the spray arms 25, 26, by one of the spray arms 25, 26 or by both spray arms 25, 26.
  • a first recirculation circuit formed in the wash liquor S removed from the collecting pot 21 of the washing chamber 7 and the circulation pump 22, the heater 23, the water distributor 24 and the spray system 25, 26 in the collecting pot 21st can be returned.
  • the first circulating circuit serves, in particular, to wash the dishes with washing liquor S emerging from the spraying arms 25, 26 and which is in FIG. 1 shown with dotted arrows to apply.
  • the circulated rinsing liquor S can be heated simultaneously by means of the heating device 23, wherein the temperature of the rinsing liquor S can be monitored by means of a temperature sensor 27.
  • the temperature sensor is connected to the control device 2 for the transmission of measured temperature values.
  • the heater 23 can be controlled as needed and automatically.
  • the temperature of the wash liquor S can thus be brought to the required temperature during a partial wash cycle of a wash cycle in which wash ware is subjected to wash liquor S and optionally held at this temperature.
  • Another output of the water distributor 24 is connected to a check valve 28 which is controllable by the control device 2 and in turn is connected to a first opening 29 of a float tank 30.
  • a check valve 28 which is controllable by the control device 2 and in turn is connected to a first opening 29 of a float tank 30.
  • Exits may be provided on the water gate 24, for example, to allow the feeding of further spray arms or fixed spray elements.
  • the connected to the check valve 28 output of the water switch 24 can always be open. In this way, the fleet storage 30 can be charged with flushing valve S open when the check valve 28 by means of the circulation pump 22.
  • the rinsing liquor S located in the float storage 30 can then be stored in the float storage 30 by closing the check valve 28 and drained by reopening the check valve 28 via the first opening 29 from the hopper 30 under the action of gravity, since the first opening 29 in a bottom area of the fleet storage 30 is arranged.
  • the fleet storage device has at a top end a second opening 31 which is formed as an overflow opening 31.
  • the overflow opening 31 is connected fluid-conducting with the rinsing chamber 7, so that overflowing rinsing fluid S enters the rinsing chamber 7 and flows there into the collecting pot 21.
  • rinsing solution S can be circulated in a second recirculation, taken in the wash liquor S from the collection pot 21 and the circulation pump 22, the heater 23, the water gate 24, the check valve 28 and the hopper 30 in the collecting pot 21 can be returned.
  • the water switch 24 can be controlled so that its outputs connected to the spray system 25, 26 are closed.
  • Rinse liquor S, which is circulated in the second recirculation cycle, is in FIG. 1 illustrated with solid arrows.
  • the second recirculation cycle can in particular make it possible to circulate rinsing liquor S without the wash liquor S being supplied with items to be washed.
  • the recirculated rinsing liquor comes into contact only with a smaller area of the rinsing container 5.
  • a rinsing fluid S circulated in the second circulation circuit can be heated by means of the heating device 23 without major heat losses, which is advantageous, in particular, during a preheating cycle since, as a rule, only heating of the rinsing liquor S, but not loading of items to be washed with the rinsing solution S, is desired there.
  • less water vapor is produced in the rinsing chamber, which likewise leads to less energy losses.
  • less water vapor for example, is also advantageous if the door 6 is opened after the preheating cycle to invite first or additional items to be washed in the washing chamber 7, since then the room climate is less burdened by exiting steam.
  • the rinsing fluid S recirculated in the second circulating circuit passes along an inner wall of the rinsing container 5 and along the bottom 20 of the rinsing container 5 from the overflow opening 31 back into the collecting pot 21.
  • the overflow opening 31 via return means with the rinsing chamber. 7 is connected, which may be formed as tubes, hoses and the like.
  • the mouth of such return means may be arranged in the vicinity of the collecting pot 21 or in the collecting pot 21, so that the heat emission of the washing liquor S to the washing chamber 7 and / or the vapor formation can be further reduced.
  • the fleet storage 30 may be provided on a substantial part of its surface with stratified thermal insulation means 32, so that a flushing liquid S located in the fleet storage 30 at most emits little heat.
  • the dishwasher 1 may further comprise a metering device 33, which is arranged, for example, on the inside of the door 6.
  • the metering device 33 is controlled by the control device 2 and makes it possible for the wash liquor S to be automatically added with cleaning agents and / or cleaning aids, for example rinse aid, during a wash cycle.
  • a drain pump 34 can be provided, with which no longer required rinsing liquor S can be pumped off as wastewater AW via a wastewater connection 35.
  • the sewage connection 35 can be connected to an external sewage disposal system with a sewage hose (not shown).
  • the function of the dishwasher 1 is now the following:
  • an intended amount of hot water WW is first introduced by means of the hot water inlet 13, 14 into the liquid system 100 of the dishwasher 1, in particular in its rinsing chamber 7.
  • the hot water WW thus introduced forms a rinsing liquor S there.
  • This rinsing liquor S collects in the collecting pot 21 of the liquid system 100 due to its gravitational force.
  • the circulation pump 22 of the liquid system is turned on, so that washing liquor is pumped from the collecting pot 21 to the heater 23.
  • the heating device 23 may optionally be switched on at least temporarily, so that the circulated rinsing liquor S in an optional Nachmosphase NHP (in the FIG. 2 dash-dotted lines indicated) is reheated, if this is necessary at all to achieve a desired setpoint temperature MT.
  • the actual temperature ET of the incoming hot water WH may be equal to or greater than the desired setpoint temperature MT.
  • no reheating by means of the heater 23 is required and this can remain off or be turned off.
  • the water switch 24 connected to the outlet of the heating device 23 is controlled during a possibly required heating phase NHP so that the conveyed wash liquor S can not reach the spray system 25, 26.
  • the rinsing fluid S passes through the open check valve 28 to the first opening 29 of the float storage tank 30 and enters this by the pumping operation of the switched-circulation pump 22 a.
  • the fleet storage tank 30 is filled with incoming hot water by means of the circulation pump 22, so that the excess rinse S flows through the second opening 31 of the fleet storage back into the collection pot 21.
  • the rinsing liquor is circulated during the possibly required Nachloomphase in the second recirculation cycle.
  • the circulation pump 22 and the heater 23 are turned off and the check valve 28 closed. Heating phase NHP and the preheating VHZ total are thus completed.
  • the incoming hot water already has an inlet temperature ET which is equal to the required or greater than the required minimum temperature MT, then it may be sufficient to pump by means of the circulation pump 22 of this hot water WW in the fleet storage tank 30 until a desired amount of water is filled into this or until it is particularly full. Then, the intake valve 28 is closed and the circulation pump is turned off.
  • this hot water WW is only with the help of the switched-circulation pump 22 and with the valve open 28th pumped into the fleet storage 30.
  • the heater 23 remains switched off. After filling the fleet storage 30, the valve 28 is closed.
  • the hot water cached in the fleet memory is available there for retrieval.
  • the door 6 can now be opened for the first time or additionally to introduce items to be washed into the rinsing chamber 7.
  • the operator may call a rinse program to control a rinse cycle.
  • the rinsing program can now be carried out using rinsing liquor S located in the float storage 30, so that heating phases during the rinse cycle can be shorter or total compared to conventional dishwashers.
  • the items to be washed can be treated with wash liquor S by passing wash liquor S, which is first removed from the liquor store 30 via the check valve 28, to the spray arms 25 and 26 by means of the circulation pump 22 via the heater 23 and via the water switch 24 , If necessary, the heating device 23 can be used as needed for reheating the rinsing liquor S.
  • the water diverter 24 can be controlled so that the spray arms 25 and 26 are supplied alternately or simultaneously with rinsing water S.
  • the circulation pump 22 is usually operated at its normal speed, so that the exiting from the spray arms 25 and 26 wash liquor S is sprayed from below against the dishes. The exit of the wash liquor S during the wash cycle is in FIG. 1 illustrated by dotted arrows.
  • FIG. 2 shows the timing of an exemplary operation BA of a dishwasher 1 according to the invention, wherein a preheat cycle VHZ and a rinse SG is shown.
  • a curve Z13 shows the operating state of the hot water valve 13 of the hot water inlet 13, 14, a curve Z15 the operating state of the cold water valve 15 of the cold water inlet 15, 16, a curve Z22 the operating state of the circulation pump 22, a curve Z23 the operating state of the heater 23, a curve Z24 shows the operating state of the water switch 24 and a curve Z28 shows the operating state of the check valve 28.
  • a filling phase is carried out, the purpose of which is to form an intended amount of washing liquor S in the washing chamber 7 of the dishwasher 1.
  • the hot water valve 13 can be brought into an operating state "1", in which an inflow of hot water WW takes place.
  • the circulation pump 22 is turned on at low speed and the check valve 28 is opened, which in FIG. 2 each also referred to as operating state "1".
  • the heater 23 is first turned off, which is in FIG. 2 is designated as operating state "0". Both outputs of the water switch 24 are closed. This operating state of the water switch is in FIG. 2 denoted by "0".
  • the wash liquor S is circulated in the second recirculation circuit.
  • their inlet temperature ET is measured by means of the sensor 27 in the collecting pot 21. If the measured temperature ET is below a predetermined target temperature MT, a Nachtropicphase NHP is started by the heater 23 is switched on, which in the FIG. 2 represented by the operating state "1" dash-dotted lines. If, on the other hand, the temperature of the rinsing liquor S were higher than the intended setpoint temperature MT, the heating phase NHP would not be carried out. The heater 23 then remains off. Rather, the temperature could possibly be lowered by the cold water valve 15 is opened to receive cold water.
  • the heating phase HP is carried out until the wash liquor S is heated to the required temperature MT.
  • the circulation pump 22 and the heater 23 are turned off and the check valve 28 is closed.
  • the preheating cycle VHZ is thus completed.
  • the output of a message may be provided which signals the end of preheat cycle VHZ to the user. This will enable the operator to use the now possible rinse as soon as possible.
  • the output of the message can be done via the output device 4, which may include acoustic and / or optical output means for this purpose.
  • a temperature test sequence TP can be provided in order to be able to detect a drop in the temperature of the rinsing liquor S.
  • the temperature check sequence TP can be carried out automatically, for example after a predetermined time, possibly several times.
  • the circulation pump 22 is again operated at low speed and the check valve 28 is opened, so that the wash liquor S is circulated in the first recirculation circuit.
  • the rinsing liquor S is guided along the temperature sensor 27 so that it can take up a mean temperature of the rinsing liquor S. Since the rinsing liquor S is not guided via the spray system 25, 26, the rinsing liquid S cools only slightly during the temperature test sequence TP.
  • a Nachffyphase NP can be performed when the temperature has fallen, for example, below a predetermined limit.
  • the dishwasher 1 is operated as in the heating phase HP of the preheating cycle.
  • the dishwasher 1 now remains idle until the operator starts a wash cycle SG by calling a wash program or another temperature measurement sequence TP is carried out.
  • the rinse cycle SG now carried out comprises in particular a cleaning cycle RG, an intermediate rinse cycle ZG, a rinse cycle KG and a drying cycle TG.
  • the rinse SG could also include additional partial rinses.
  • a pre-rinse cycle can be dispensed with if a shortening of the program runtime is desired in an advantageous manner. For now is already at the beginning of the cleaning cycle RG a preheated or preheated amount of water from the fleet storage available.
  • the blocking valve 28 is opened in order to allow the preheated or preheated rinsing liquid S to enter the rinsing chamber 7.
  • the curve Z28 symbolizes this operating state by briefly taking the value "1".
  • the circulation pump 22 is turned on and operated at high speed, which is represented by the operating state "2". If necessary, the heater 23 may be turned on for a short period of time if the temperature of the rinsing liquid S should not be sufficient.
  • the water switch 24 is controlled so that alternately the lower spray arm 26 and the upper spray arm 25 is charged with flushing liquid S.
  • the curve Z24 shows this by alternately taking the values "1" and "2".
  • the circulation pump 22 is switched off and the flushing liquid S of the cleaning cycle RG is pumped off with the aid of the drain pump 34 via a wastewater connection.
  • the following intermediate rinse ZG essentially serves the complete removal of the rinsing liquor S of the cleaning cycle RG from the items to be washed.
  • cold water can be used without major disadvantages. Therefore, at the beginning of the intermediate rinse ZG, the cold water valve 15 is opened to introduce cold water KW into the rinsing chamber 7.
  • the circulation pump 22 is turned on again and operated at high speed.
  • the heater 23 is not turned on during the intermediate rinse ZG in most cases.
  • the water switch 24 is also controlled during the rinse cycle KG so that the spray arms 25 and 26 are alternately supplied with flushing liquid S.
  • the rinsing liquid S of the intermediate rinse cycle ZG can also be pumped out by means of the drain pump 34.
  • the hot water valve 13 is opened again to introduce hot water WW in the washing chamber 7.
  • the circulation pump 22 is turned on again and operated at high speed. Since during the rinse cycle KG usually a higher temperature for the rinsing liquid is required than during a cleaning cycle RG, the heater 23 is usually turned on again for a certain period of time. However, by using hot water WW, the required heating time can be kept short. With sufficient hot water temperature of the incoming hot water, if necessary, no reheating by means of the heater 22 is required, i. then the incoming hot water with its inlet temperature is sufficient.
  • the water switch 24 is also controlled during the rinse cycle KG so that the spray arms 25 and 26 are alternately supplied with flushing liquid S. At the end of the rinse cycle KG, the rinsing liquid S of the rinse cycle KG can be pumped out by means of the drain pump 34 to the outside.
  • the subsequent drying of the items to be washed in the drying cycle TG takes place, for example, by so-called self-drying, in which the residual water adhering to the items to be washed evaporates and condenses, for example, on the rinsing container 5, or by a drying unit not described in the context of this application.
  • a dishwashing machine has a liquor store and a bithermic aquastop.
  • a preheating cycle can be started in particular via a standby key.
  • hot water is filled into the unit and, if necessary, further heated, for example to 80 ° C. If the inlet temperature is too high, however, the heating up can be omitted and / or cold water mixed in.
  • the dishwashing machine reports readiness after completion of the preheat cycle and waits.
  • the customer can fill the device with items to be cleaned and start a rinse cycle.
  • the stored liquid water can be used in the first liquid-conducting partial rinse cycle of the rinse cycle. For further partial rinses hot water and / or cold water can be filled.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (7)

  1. Lave-vaisselle (1), en particulier lave-vaisselle ménager (1), dont le système fluidique (100) englobe un réservoir à eau de lavage (30) pour la mise à disposition d'eau de lavage (S) pour le cycle de lavage (SG) d'un programme de lavage de vaisselle subséquent, caractérisé en ce que
    - pour le remplissage du réservoir à eau de lavage (30) en eau de lavage, de l'eau chaude (WH) peut être prélevée auprès d'une alimentation en eau chaude externe (WH) via une arrivée d'eau chaude (13, 14) et peut être intégrée au système fluidique (100) et
    - un dispositif de commande (2) est prévu, lequel permet au moins d'appeler un programme de lavage pour la commande d'un cycle de lavage (SG) servant à laver de la vaisselle dans une chambre de lavage (7) et au moins un programme de préchauffage précédent pour la commande d'un cycle de préchauffage (VHZ) destiné à l'eau de lavage (S) à stocker temporairement dans le réservoir à eau de lavage (30), le cycle de préchauffage (VHZ) se limitant à une phase de pompage (PP), durant laquelle l'eau chaude peut être pompée dans le réservoir à eau de lavage, ou le cycle de préchauffage englobe une phase de réchauffement durant laquelle l'eau chaude peut être réchauffée.
  2. Lave-vaisselle selon la revendication 1, caractérisé en ce que l'eau chaude (WH) peut être intégrée au réservoir à eau de lavage (30) sans réchauffage, lorsque sa température d'entrée (ET) est supérieure ou égale à une température minimale (MT).
  3. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce qu'avant son intégration au réservoir d'eau de lavage (30), l'eau chaude (WH) ou l'eau chaude (WH) intégrée au réservoir d'eau chaude (30) peut être réchauffée à au moins une température minimale souhaitée (MT), lorsque sa température d'entrée (ET) est inférieure à la température minimale (MT).
  4. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce que l'arrivée d'eau chaude (13, 14) est commandable via un dispositif de commande (2) pour l'intégration d'eau chaude (WW) au départ de l'alimentation en eau chaude externe (WH).
  5. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce qu'une arrivée d'eau froide (15, 16) commandable via un dispositif de commande (2) pour l'intégration d'eau froide (KW) au départ d'une alimentation en eau froide externe (KH) est prévue.
  6. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce qu'au moins un programme de lavage pour la commande d'un cycle de lavage (SG) servant à laver de la vaisselle dans une chambre de lavage (7) et au moins un programme de préchauffage précédent pour la commande d'un cycle de préchauffage (VHZ) destiné à l'eau de lavage (S) à stocker temporairement dans le réservoir à eau de lavage (30) peuvent être appelés indépendamment l'un de l'autre via le dispositif de commande (2).
  7. Procédé de mise à disposition d'eau de lavage (S) dans un réservoir à eau de lavage (30) du système fluidique (100) d'un lave-vaisselle (1), en particulier d'un lave-vaisselle ménager (1), pour le cycle de lavage (SG) d'un programme de lavage de vaisselle subséquent, en particulier selon l'une des revendications précédentes, caractérisé en ce que
    - pour le remplissage du réservoir à eau de lavage (30) en eau de lavage, de l'eau chaude (WH) est prélevée au départ d'une alimentation en eau chaude externe (WH) via une arrivée d'eau chaude (13, 14) et intégrée au système fluidique (100) et
    - au moins un programme de lavage pour la commande d'un cycle de lavage (SG) servant à laver de la vaisselle dans une chambre de lavage (7) et au moins un programme de préchauffage précédent pour la commande d'un cycle de préchauffage (VHZ) destiné à l'eau de lavage (S) à stocker temporairement dans le réservoir à eau de lavage (30) peuvent être appelés via un dispositif de commande (2), le cycle de préchauffage (VHZ) se limitant à une phase de pompage (PP), durant laquelle l'eau chaude peut être pompée dans le réservoir à eau de lavage, ou le cycle de préchauffage englobe une phase de réchauffement durant laquelle l'eau chaude peut être réchauffée.
EP10745626.1A 2009-09-03 2010-08-23 Lave-vaisselle doté d'un réservoir pour eau de lavage et procédé associé Active EP2482702B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10745626T PL2482702T3 (pl) 2009-09-03 2010-08-23 Zmywarka do naczyń z zasobnikiem na roztwór oraz odpowiedni sposób

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009029186A DE102009029186A1 (de) 2009-09-03 2009-09-03 Geschirrspülmaschine mit einem Flottenspeicher sowie zugehöriges Verfahren
PCT/EP2010/062242 WO2011026755A2 (fr) 2009-09-03 2010-08-23 Lave-vaisselle doté d'un réservoir pour eau de lavage et procédé associé

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EP2482702A2 EP2482702A2 (fr) 2012-08-08
EP2482702B1 true EP2482702B1 (fr) 2018-03-14

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US (1) US20120145200A1 (fr)
EP (1) EP2482702B1 (fr)
DE (1) DE102009029186A1 (fr)
PL (1) PL2482702T3 (fr)
WO (1) WO2011026755A2 (fr)

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EP2547247B1 (fr) 2010-03-18 2021-08-18 Electrolux Home Products Corporation N.V. Procédé de remplissage d'eau du bac d'un lave-vaisselle
DE102011002051A1 (de) * 2011-04-14 2012-10-18 Miele & Cie. Kg Geschirrspülautomat
DE102011084396B4 (de) 2011-10-13 2023-11-02 BSH Hausgeräte GmbH Vorrichtung und Verfahren zum Füllen eines Flottenspeichers einer Geschirrspülmaschine
KR102025807B1 (ko) * 2013-02-12 2019-11-04 엘지전자 주식회사 식기세척기 및 그 제어방법
KR102000066B1 (ko) * 2013-02-28 2019-07-15 엘지전자 주식회사 식기세척기 및 그 제어방법
PL3073886T3 (pl) * 2013-11-29 2022-09-19 Electrolux Appliances Aktiebolag Zmywarka do naczyń
KR102306964B1 (ko) * 2013-12-31 2021-10-01 삼성전자주식회사 식기 세척기
US10221952B2 (en) 2013-12-31 2019-03-05 Samsung Electronics Co., Ltd. Dish washing machine
US9183636B1 (en) 2014-04-16 2015-11-10 I.R.I.S. Line segmentation method
US9839945B2 (en) 2014-05-02 2017-12-12 Electrolux Home Products, Inc. Methods, systems, and apparatuses for performing a quick cycle in a dishwasher
WO2017095163A1 (fr) * 2015-12-03 2017-06-08 삼성전자주식회사 Cuve pour lave-vaisselle, lave-vaisselle, et son procédé de commande
KR102639692B1 (ko) 2015-12-03 2024-02-23 삼성전자주식회사 식기세척기용 터브, 식기세척기 및 그 제어방법
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EP3918127A1 (fr) 2019-01-31 2021-12-08 Ecolab USA Inc. Dispositif de commande dun système de réutilisation d'eau de rinçage et procédés d'utilisation
CA3128365A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Regulation des niveaux d'eau et de la concentration de detergent dans un cycle de lavage
US20210138517A1 (en) * 2019-11-08 2021-05-13 Dr. Kakar Products, Llc Automatic washer for continuous positive airway pressure equipment

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IT1289370B1 (it) * 1996-04-10 1998-10-02 Electrolux Zanussi Elettrodome Macchina lavatrice con serbatoio d'acqua multifunzionale
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Publication number Publication date
WO2011026755A2 (fr) 2011-03-10
US20120145200A1 (en) 2012-06-14
PL2482702T3 (pl) 2018-08-31
DE102009029186A1 (de) 2011-03-10
EP2482702A2 (fr) 2012-08-08
WO2011026755A3 (fr) 2011-06-30

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