WO2011054711A2 - Geschirrspülmaschine mit einer optimierten füllsequenz - Google Patents
Geschirrspülmaschine mit einer optimierten füllsequenz Download PDFInfo
- Publication number
- WO2011054711A2 WO2011054711A2 PCT/EP2010/066231 EP2010066231W WO2011054711A2 WO 2011054711 A2 WO2011054711 A2 WO 2011054711A2 EP 2010066231 W EP2010066231 W EP 2010066231W WO 2011054711 A2 WO2011054711 A2 WO 2011054711A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- concentricity
- filling
- rinsing
- dishwasher
- control device
- Prior art date
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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
- A47L15/0018—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
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
-
- 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
- A47L2401/08—Drain or recirculation pump parameters, e.g. pump rotational speed or current absorbed by the motor
-
- 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
Definitions
- the present invention relates to a dishwasher, in particular
- Circulation pump for circulating the rinsing fluid located in the washing chamber.
- Commercial dishwashers are for automatically filling their
- Rinsing chamber formed with rinsing liquid Despite sometimes consuming filling process, however, it is not always possible to meter the filled amount of rinse liquid exactly. In addition, some filling methods may result in undesirable noise during the filling of rinsing liquid into the rinsing chamber.
- the object of the present invention is to provide a dishwasher, in particular a domestic dishwasher, in which the filling of rinsing liquid into the rinsing chamber is improved.
- the object is achieved in a dishwasher of the type mentioned above in that the rinse cycle comprises at least one filling sequence,
- the supply valve is open during a primary filling phase, the duration of which depends on a time value which is a target quantity of into the rinsing chamber
- the dishwasher according to the invention has 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.
- sequence control in particular as electronic sequence control.
- Flushing programs are provided, one of which can be selected and started by the operator. This makes it possible to adjust the sequence of a wash 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 wash cycle.
- the stored washing programs may preferably be designed such that the respective wash cycle controlled by them in particular at least one pre-rinse for pre-cleaning items, at least one cleaning operation for thoroughly cleaning items, at least one intermediate rinse for removing soiled rinse liquid from the items to be washed, at least one rinse cycle to avoid of stains on the items to be washed and / or for preparing a drying step, and / or at least one drying course for drying the items to be washed. prewash,
- Drying cycle is usually not a use of washing liquid
- the flushing chamber is associated with an inlet valve, which allows to fill flushing liquid into the washing chamber.
- the rinsing chamber is associated with a circulating pump for circulating the filled rinsing liquid, which makes it possible to flush the rinsing liquid contained in the rinsing chamber, e.g. from one
- the inlet valve and also the Circulation pump can be controlled by the control device of the dishwasher.
- a rinsing liquid is understood here to mean, in particular, 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 liquid can also be provided for heating the items to be washed, which is customary, for example, during a rinsing step.
- the rinsing liquid entering the rinsing chamber via the inlet valve is usually fresh water.
- the rinsing liquid in the rinsing chamber can be enriched with cleaning agents, with cleaning auxiliaries, such as, for example, rinse aid and / or with dirt that has been removed from the items to be washed. But there are also cases conceivable in which already enriched water is filled as flushing liquid via the inlet valve in the washing chamber.
- the dishwashing machine according to the invention is designed such that during the execution of a rinse cycle at least one filling sequence for filling the
- Rinsing chamber is performed with rinsing liquid, which includes a Primär hypochllphase and a concentricity test.
- the primary filling phase is a time interval during which the inlet valve is opened, so that during the primary filling phase rinsing liquid in the
- the duration of the primary filling phase is dependent on a time specification, which is stored for example in the control device of the dishwasher.
- the amount of flushing liquid filled during the primary filling phase thus depends on the time specification value.
- the timing value is chosen so that in a trouble-free filling such an amount of rinsing liquid is filled into the rinsing chamber, which corresponds to be filled into the rinsing chamber set amount of rinsing liquid.
- the target amount is set so that the circulation pump can be operated at its rated speed or a desired target speed in the concentricity.
- the rated speed of the circulating pump can be selected in particular a speed at which the circulating pump reaches its maximum intended delivery capacity.
- a circulating pump is generally in the concentricity when sufficient rinsing liquid is present in the collecting device of the rinsing chamber in order to prevent suction of air through the circulating pump. Whether in individual cases air is sucked in or not, depends among other things on the speed of the
- Circulation pump off The reason for this is that as the rotational speed of the circulating pump increases, an ever smaller portion of the total rinsing liquid present in the rinsing chamber is in the collecting device, since it takes a certain amount of time for the rinsing liquid sprayed onto the items to be returned to the collecting device.
- the target amount is designed for concentricity of the circulation pump at rated speed, it can be ensured that at a trouble-free filling at the end of the Primär Schollphase operation of the circulating pump with rated speed in the concentricity is possible.
- the optimum actual amount of rinsing liquid is in the rinsing chamber.
- a concentricity check is carried out, which serves to determine whether the circulating pump running at a rated speed is actually concentric.
- a concentricity monitoring unit is used. This may in particular be part of the control device, or be connected to the control device of the dishwasher for data exchange.
- a significant advantage of the dishwasher according to the invention is its simplicity.
- a simple, switchable inlet valve can be used, which can only assume an open position and a closed position, since a variation of the inflow stream of the rinsing liquid during filling into the Flushing chamber is not required.
- control device can also be designed simply, since it is only provided for outputting two control commands to the inlet valve, namely "open valve” and "close valve". Even a complex control of the speed of the circulating pump is not required. Rather, they can always be operated with a specific rated speed or target speed, which both the structure of the circulation pump and the structure of the control device of the
- the continuation of the filling sequence comprises a secondary filling phase, during which the inflow valve at the
- Concentricity monitoring unit has determined that the circulating pump is in the concentricity. This ensures in a simple manner that in the shortest possible time required for the concentricity of the circulating pump at rated speed amount of
- Rinsing liquid is introduced into the rinsing chamber. Neither control of the rotational speed of the circulation pump nor control of the speed of the inflow of the rinsing liquid into the rinsing chamber is required.
- the secondary filling phase if necessary, is followed by the primary filling phase.
- the inlet valve is open from the beginning of the primary filling phase until the end of the secondary filling phase, if necessary.
- the time requirement of the filling sequence can be further reduced.
- the circulating pump may possibly be switched off during the primary filling phase before the concentricity check takes place. In this way, during the Primär Schollphase unwanted noise can be avoided by the suction of air through the circulation pump with a small amount of rinsing liquid.
- the filling sequence is provided at the beginning of at least one water-carrying Part istgangs the rinse cycle. In this way, it is ensured that at the beginning of the partial rinse cycle in the shortest possible time a sufficient amount of rinsing liquid is admitted in the rinsing chamber.
- an inlet side of the inlet valve is provided for connection to an external water supply device.
- Circulation pump an electric motor, wherein the concentricity monitoring unit is designed to monitor at least one electrical operating parameter of the electric motor. This is based on the knowledge that electrical
- Concentricity monitoring unit designed to monitor fluctuations in the electrical operating parameter of the electric motor. At too low an amount Rinsing liquid in the rinsing chamber sucks the circulation pump, as already described, not only rinsing liquid but also air. The ratio of intake air and sucked rinsing fluid varies by a statistical average. These fluctuations in turn lead to fluctuations in the electrical operating parameter of the circulating pump, so that the evaluation of the fluctuations without detection of the absolute value of the operating parameter allow a statement as to whether the circulating pump is in concentricity or not. This can improve the quality of the
- the invention also relates to a method for carrying out a rinse cycle for the cleaning of items to be washed with rinsing liquid in a rinsing chamber of a
- Dishwasher by means of the control device, wherein the dishwasher comprises a controllable by the control device inlet valve for filling rinsing liquid into the rinsing chamber and a circulating pump for circulating the rinsing liquid located in the rinsing chamber. Thereby at least one filling sequence becomes
- the inlet valve is opened during a Primär hypoxia, the duration of which depends on a time value corresponding to a to be filled for a concentricity of the circulation pump in the rinsing chamber desired amount of rinsing liquid, and is determined at the end of the Primär colllphase with a concentricity test, whether the circulating pump running at a rated speed is in concentricity, wherein when the circulating pump is in concentricity, the filling sequence is terminated and, if the circulating pump is not in concentricity, the filling sequence is continued.
- the inventive method allows a simple, fast and safe
- Dishwasher invention be provided.
- Figure 1 is an advantageous embodiment of an inventive
- FIG. 2 shows a block diagram of the household dishwasher of FIG. 1, FIG.
- FIG. 3 shows a flowchart of a filling sequence for the
- Household dishwasher of Figures 1, 2, and Figure 4 shows an exemplary rinse cycle for the dishwasher of Figures 1 and 2.
- Dishwasher provided with reference numerals and explained which are required for the understanding of the invention. It goes without saying that the dishwasher according to the invention can comprise further parts and assemblies.
- Figure 1 shows an advantageous embodiment of an inventive
- Household dishwasher 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, especially dishes, is deposited. Conveniently, a plurality of washing programs are stored, so that by selecting a suitable washing program, the sequence of a controlled by the control device 2 rinse, for example, to the
- Loading amount can be adapted to the type of loading, to the degree of contamination of the dishes and / or to the desired duration of the wash cycle.
- the control device 2 is associated with an operating device 3, which it a
- control device 2 is associated with an output device 4, which allows the output of messages to the operator.
- Output device 4 may include display lamps, light-emitting diodes, an alpha-numeric display and / or a graphic display for outputting optical messages. Furthermore, the output device 4 for the output of acoustic
- Messages have a buzzer, a speaker and / or the like.
- 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.
- the rinsing container 5 can possibly inside a housing 8 of the
- Dishwasher 1 may be arranged. In built-in dishwashers, the housing 8 is not required and may be omitted altogether at the top.
- 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 allows 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 also 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. In particular, according to an alternative embodiment variant, the control device may possibly also be accommodated in a floor module below the washing compartment.
- the control device 2 could also be designed decentralized, which is understood to include spatially separated components, which via
- Communication means are connected so that they can work together.
- the dishwasher 1 has an upper for positioning dishes
- the upper dish rack 9 is arranged on extension rails 1 1, which in each case opposite to each other, in Depth direction of the washing container extending side walls of the washing compartment 5 are attached.
- the dish rack 9 is at the door 6 open by means of the extension rails 1 1 from the washing 5 extendable, which loading or unloading the upper
- Dish rack 9 facilitates.
- the lower dish rack 10 is in an analogous manner
- Extension rails 12 arranged.
- the one or more stored in the control device 2 washing programs can each provide several Operalustruderie, for example, in this order at least one prewash, at least one cleaning cycle, at least one intermediate rinse, at least one rinse and / or at least one drying cycle.
- pre-wash cycle, cleaning cycle, intermediate rinse cycle and rinse cycle are referred to as water-carrying partial rinses, since during their implementation, the items to be washed positioned in the rinsing chamber 7 are treated with a rinsing liquid S.
- a treatment of the items to be washed with rinsing liquid S is generally not provided.
- Water supply device WH in particular a drinking water supply network, and can be filled into the rinsing chamber 7.
- Water supply device WH in particular a drinking water supply network, and can be filled into the rinsing chamber 7.
- a rinsing liquid S of a partial rinse cycle in a storage container (not shown) and to refill it into the rinsing chamber 7 in a later partial rinse cycle.
- the dishwasher 1 of FIG. 1 comprises a water inlet device 13, which is provided for connection to the external water supply device WH.
- the external water supply device WH may be a faucet of a building-side water installation which provides pressurized feed water ZW.
- the water inlet device 13 comprises a connection piece 14, which is provided for connection to the water tap WH.
- the connection can, for example via a threaded arrangement, a Bayonet arrangement or the like.
- a connection hose 15 is provided, which is preferably designed to be flexible. The downstream end of the connection tube 15 is fixed to the housing
- a supply line 17 is provided, which is connected to an input side of a switchable by means of the control device 2 inlet valve 18.
- An output side of the inlet valve 18 in turn is connected to a liquid inlet 19 of the rinsing chamber 7.
- the inlet valve 18 may be formed as a switchable solenoid valve, which has only an open position and a closed position.
- Supply line 17 may be a water treatment plant, not shown, for example, a water softening system, may be provided.
- an external inlet valve in particular a so-called aqua-stop valve, preferably by means of
- Control device switchable, in particular shut-off and apparently
- the inflow amount of flushing liquid S into the rinsing chamber 7 per unit of time results in particular primarily in the first place. a. From the construction of the inlet valve 18 and from the pressure of the rinsing liquid S at the inlet side of the inlet valve 18. If the input side pressure of the rinsing liquid S in a designated tolerance of, for example, + - 10% and otherwise no interference occurs, results in open inlet valve 18 a constant
- the amount of flushing liquid filled S results from the product of the nominal inlet flow and the duration of the nominal inlet flow.
- the inlet valve 18 is opened for a defined time, then the amount of introduced into the rinsing chamber 7 can
- Rinsing fluid S are derived. However, when malfunctions occur during operation of the dishwasher 1, the feed flow actually achieved can be significantly below that
- Such disturbances are, for example, a drop in the Pressure of the washing liquid S on the inlet side of the inlet valve 18,
- the rinsing liquid S which has reached the rinsing chamber 7 via the liquid inlet 19 passes into a collection device 21 which is formed on a base 20 of the rinsing container 5 and which can preferably be designed as a collection pot 21.
- An input side of a circulation pump 22 is liquid-conducting connected to the collection pot 21.
- an output side of the circulation pump 22 is connected to a spraying device 23, 24, which makes it possible in the
- Flushing chamber 7 to be loaded with rinse liquid S to apply.
- the spray means 23, 24 comprises an upper rotatable spray arm 23 and a lower rotatable spray arm 24. However, it could also be provided alternatively or additionally fixed spray elements.
- the flushing liquid S emerging from the spraying device 23, 24 when the circulating pump 22 is switched on is returned to the collecting pot 21 due to its weight within the flushing chamber 21.
- the circulation pump 22 is intended to be operated concentrically. The circulating pump 22 is then in the concentricity, if here is such a large amount of flushing fluid S is available that they exclusively excluding flushing liquid S or otherwise expressed promotes no air.
- the circulation pump 22 in the concentricity By the operation of the circulation pump 22 in the concentricity on the one hand can be achieved sufficient for a planned cleaning effect pump pressure and on the other hand, the formation of disturbing Schlürfge syndromeschen be avoided.
- a concentricity monitoring unit 25 This can be provided as a separate component or possibly also be part of the control device 2.
- Dosing device 26 which makes it possible to offset the introduced into the rinsing chamber 7 rinsing liquid S with cleaning agents and / or cleaning aids to improve the cleaning effect and / or the drying effect of a rinse cycle.
- the dishwasher 1 shown in FIG. 1 has a drainage device 27, which serves to pump out rinsing liquid S no longer required as wastewater AW from the rinsing chamber 7 to the outside.
- the drainage device 27 comprises a drain pump 28 whose inlet side is connected to the collection pot 21.
- the outlet side of the drain pump 28, however, is connected to a connecting line 29, the downstream end of which is connected to a housing-fixed connection 30 of the dishwasher 1.
- Terminal 30 is attached to a sewage hose 31 which is flexible.
- the sanitation AR may be a sewer pipe of a building-side water installation.
- Connection between the connector 32 and the sewer pipe can as
- Screw be designed as a bayonet connection, as a connector or the like.
- FIG. 2 shows a block diagram of the household dishwasher 1 of Figure 1, wherein in particular the control and communication concept is shown.
- a signal line 33 is provided, which connects the operating device 3 with the control device 2 such that operating commands of an operator from the operating device 3 to the control device 2 are transferable. Furthermore, one is
- Signal line 34 is provided which connects the control device 2 with the output device 4, so that information provided by the control device 2 can be transmitted to the output device 4 and output there to the operator. Furthermore, a control line 35 is provided, which connects the control device 2 with the switchable inlet valve 18 such that the inlet valve 18 through the
- Control device 2 can be closed or opened. In this way, the filling of washing liquid S in the washing chamber 7 through the
- Control device 2 are controlled.
- a further control line 36 connects the control device 2 with the circulation pump 22.
- the circulation of rinsing liquid S in the rinsing chamber 7 by the control device 2 is adjustable, in particular controllable or adjustable.
- a signal line 37 is provided, which connects the Rundlaufuberwachungstechnik 25 with the control device 2. The signal line 37 makes it possible to generate information generated by the roundness monitoring unit 25 with respect to the
- control device 2 is designed so that it can take into account this information from the concentricity monitoring unit 25 in the circuit, in particular in the control of closing and / or opening times, possibly also control or regulation of the inlet valve 18. Further, a control line 38 is provided, which the
- Control device 2 connects to the drain pump 28, so that the drain pump 28 by the control device 2 switchable, in particular off and on, is.
- FIG. 3 shows a flow chart of a filling sequence F in the case of the invention
- the filling sequence F represents an independent aspect of the invention. It can be carried out or controllable by the control device 2 and can be carried out one or more times during the execution of a rinse cycle.
- a primary filling phase PF is carried out, during which the inlet valve 18 is opened.
- the duration of the primary filling phase PF depends on a time value which may be contained in a washing program called by the operator, for example. The time value is set so that in the trouble-free operation of the dishwasher 1, such a desired amount of washing liquid S enters the washing chamber 7, which for a concentricity of running at a rated speed
- Circulation pump 22 is sufficient.
- a concentricity test RP follows, in which it is checked with the concentricity monitoring unit 25 whether the circulating pump 22 running at the nominal rotational speed or nominal rotational speed is concentric or not.
- a case distinction is provided. Namely, if the circulating pump 22 is in the concentricity as intended, the end EN of the filling sequence F is reached immediately. This case occurs whenever the
- Filling sequence F is not affected by disturbances, which cause the actual feed stream is less than the nominal inlet flow or nominal inlet flow of fresh water.
- the filling sequence F is continued. It will advantageously carried out a Sekundär spallphase SF, during which the inlet valve 18 is open at the rated speed or set speed circulation pump 22 is opened, wherein the running properties of the circulation pump 22 are monitored during the Sekundär colllphase SF, and the Sekundär spallphase SF is terminated when the circulation pump 22, the concentricity reached.
- the filling sequence F explained with reference to FIG. 3 ensures that, at its end EN, the circulating pump 22 can be operated at its nominal rotational speed in the concentricity. Neither a complex variable control of the rotational speed of the circulation pump 22 nor a control of the feed stream of the filled rinsing liquid S is required. Compared to a conventional dishwasher, in which the amount of the filled rinsing liquid S is only time-controlled, with regard to the structural design of the dishwasher 1 according to the invention only the
- the filling sequence F also allows economical use of
- the time value can be a minimum value, which allows under favorable conditions just a run of running at rated speed circulation pump 22.
- the provision of reserves is in this case not necessary, since caused by disturbances too low an actual amount of
- Rinsing liquid S to the end of the primary filling phase PF in the course of the filling sequence F can be compensated.
- Concentricity test RP a concentricity of the circulation pump 22 detects so disturbing snorkeling noise can be completely avoided. If at the end of the
- Primary filling phase PF has not set any concentricity during the
- Snorkeling sounds occur, which usually only occurs for a short period of time, so that these noises can be tolerated. Possibly. It may also be expedient if the circulation pump is switched on already at the beginning of the water inlet during the Primär hypollphase.
- FIG. 4 shows an exemplary time sequence of a wash cycle SG of FIG
- the rinse cycle SG comprises three water-carrying partial rinses, namely a pre-wash cycle VG, a cleaning cycle RG and a final rinse cycle KG.
- the wash cycle SG largely comprises a drying cycle TG.
- a curve Z18, a curve FM, a curve N22, a curve P22 and a curve Z28 are shown on a common time axis t.
- the curve Z18 shows the operating state of the inlet valve 18.
- the inlet valve 18 can assume an operating state "0", in which it is closed, and assume an operating state "1", in which it is open.
- the curve FM shows the actual amount of the rinsing liquid S in the rinsing chamber 7.
- the curve N22 shows the rotational speed of the circulation pump 22.
- the curve Z28 symbolizes the operating state of the drain pump 28.
- the operating state "0" means that the drain pump 28 is switched off and the operating state "1" that the drain pump 28 is switched on.
- Rinsing chamber 7 is introduced and pumped out of the rinsing chamber 7 again at the end of the respective partial rinse cycle VG, RG and KG.
- a first filling sequence Fi is provided, in which a primary filling phase PF is carried out, the duration of which depends on a time value DT stored in the control device 2.
- the Primär spallphase PF runs smoothly, so that at the end of the Primär spallphase PF located in the rinsing chamber 7 actual amount FM- ⁇ of rinsing fluid S in the rinsing chamber 7 corresponds to an intended target amount FMS.
- the power P22-I received by the circulation pump reaches a value which corresponds to its nominal power consumption PN, if now at the end of the primary filling phase PF the circulation pump 22 switched on and operated at its rated speed NN.
- the concentricity test RP which is based on a comparison of the actually absorbed power P22-I and the nominal power consumption PN of the circulation pump 22, leads in the present case to the result that the circulation pump 22 is in concentricity. Therefore, the filling sequence Fi is terminated after the end of the primary filling phase PF and the inlet valve 18 is closed.
- the circulating pump 22 is now operated for a predetermined time by the control device 2 further with rated speed NN while receiving the rated power PN to pre-purify the dishes. Shortly before the end of the pre-wash VG the circulation pump 22 is turned off and the flushing liquid S of the pre-wash VG pumped out of the washing chamber 7 by the drain pump 28 is turned on temporarily. When the flushing liquid S of the pre-wash VG is pumped out, the
- Lase pump 28 switched off again and passed to the cleaning cycle RG.
- a filling sequence F 2 is provided here in the exemplary embodiment, wherein first the primary filling phase PF is carried out, the duration of which is determined by the time specification value DT.
- the actual quantity FM 2 of flushing fluid S located at the end of the primary filling phase PF in the flushing chamber 7 is less than the setpoint quantity FMS.
- the circulation pump 22 is turned on again and with
- Circulation pump 22 remains switched on. In this case, a concentricity monitoring is performed until the concentricity of the circulation pump 22 is reached. At this time, the supply valve 18 is closed so that the secondary filling phase SF and the
- Flushing chamber 7 of the dishwasher 1 to fill time-controlled, so that in
- Concentricity of the circulation pump 22 is sufficient. However, in the event of a malfunction, for example at too low a pressure in a building water installation WH, it is possible that the nominal level will not be reached with the correct time control. Therefore, following the timed primary filling phase PF, a
- Concentricity monitoring procedure RP performed. If no concentricity has yet been reached, it is refilled in a subsequent secondary phase until the concentricity has been reached. In this way disturbing snorkeling noise during filling of the dishwasher 1 can be minimized. In addition, a deficient
- Dishwashing result by a disturbance due to low amount of washing liquid S can be avoided.
- the invention can be implemented inexpensively.
- the following cost-optimized, quality-based filling process may be expedient:
- Time filling refers to the filling of a water-operated household appliance
- Minimum line pressure prevails (e.g., at least 1 bar). If this is below this certain level, less water is filled in a given time unit than expected and the household appliance does not have enough water for the concentricity of the pump.
- the principle of concentricity filling monitors certain motor parameters of the circulation pump motor during a filling process. By interpreting the fluctuation of the signal of the motor parameter, a statement can be made as to whether the pump is already in run-flat mode. During filling, the circulation pump is permanently in operation and generates due to the not yet existing concentricity
- Snorkeling sound As long as no concentricity is detected, metering is continued until the circulation of the circulation pump is reached.
- the basic principle here is that now the household appliance is first filled via time filling to a static nominal level at which concentricity should be reached. In incidents such as in cases of negative pressure or other disturbances in the network, a concentricity is not yet achievable. Therefore, a runout monitoring procedure is always added after this first time filling. If no concentricity has been achieved, the corresponding additional volume will be included in these cases
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- Washing And Drying Of Tableware (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800493723A CN102595993A (zh) | 2009-11-03 | 2010-10-27 | 具有优化充液次序的洗碗机 |
RU2012120617/12A RU2531269C2 (ru) | 2009-11-03 | 2010-10-27 | Посудомоечная машина с оптимизированной последовательностью наполнения |
EP10771103.8A EP2496126B1 (de) | 2009-11-03 | 2010-10-27 | Geschirrspülmaschine mit einer optimierten füllsequenz |
US13/503,031 US9055850B2 (en) | 2009-11-03 | 2010-10-27 | Dishwasher with an optimized filling sequence |
PL10771103T PL2496126T3 (pl) | 2009-11-03 | 2010-10-27 | Zmywarka do naczyń ze zoptymalizowaną sekwencją napełniania |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009046359.3 | 2009-11-03 | ||
DE102009046359A DE102009046359A1 (de) | 2009-11-03 | 2009-11-03 | Geschirrspülmaschine mit einer optimierten Füllsequenz |
Publications (2)
Publication Number | Publication Date |
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WO2011054711A2 true WO2011054711A2 (de) | 2011-05-12 |
WO2011054711A3 WO2011054711A3 (de) | 2011-07-14 |
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PCT/EP2010/066231 WO2011054711A2 (de) | 2009-11-03 | 2010-10-27 | Geschirrspülmaschine mit einer optimierten füllsequenz |
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US (1) | US9055850B2 (de) |
EP (1) | EP2496126B1 (de) |
CN (1) | CN102595993A (de) |
DE (1) | DE102009046359A1 (de) |
PL (1) | PL2496126T3 (de) |
RU (1) | RU2531269C2 (de) |
TR (1) | TR201900622T4 (de) |
WO (1) | WO2011054711A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013100859A1 (de) * | 2013-01-29 | 2014-07-31 | Miele & Cie. Kg | Geschirrspülautomat sowie Verfahren zur Einleitung von Frischwasser in einen Geschirrspülautomaten |
DE102015203530A1 (de) * | 2015-02-27 | 2016-09-01 | BSH Hausgeräte GmbH | Geschirrspülmaschine mit einem einen Latentwärmespeicher aufweisenden Wärmetauscher |
DE102018209076A1 (de) * | 2018-06-07 | 2019-12-12 | BSH Hausgeräte GmbH | Geschirrspülmaschine, Verfahren zum Betreiben einer Geschirrspülmaschine und Computerprogrammprodukt |
WO2023117094A1 (en) * | 2021-12-22 | 2023-06-29 | Electrolux Appliances Aktiebolag | Washing appliance with improved control of circulation pump and inlet valve |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1967121C3 (de) * | 1969-11-25 | 1979-03-01 | Agfa-Gevaert Ag, 5090 Leverkusen | Schaltungsanordnung zur Lampen-Ausfallsanzeige |
FR2499396A1 (fr) * | 1981-02-06 | 1982-08-13 | Esswein Sa | Machine a laver la vaisselle |
FR2577788B1 (fr) * | 1985-02-28 | 1988-08-19 | Esswein Sa | Lave-vaisselle a electrovanne d'introduction d'eau commandee par la pression de la pompe de cyclage |
DE3537970A1 (de) * | 1985-10-25 | 1987-04-30 | Licentia Gmbh | Geschirrspuelmaschine |
DE19630357A1 (de) * | 1996-07-26 | 1998-02-05 | Aweco Kunststofftech Geraete | Vorrichtung zur Regelung der Wassermenge in vorzugsweise Spülmaschinen |
DE19907189A1 (de) | 1999-02-19 | 2000-08-24 | Bsh Bosch Siemens Hausgeraete | Haushalt-Geschirrspülmaschine |
KR100457430B1 (ko) * | 2002-11-25 | 2004-11-16 | 엘지전자 주식회사 | 식기 세척기 및 그 제어방법 |
US6887318B2 (en) * | 2003-07-09 | 2005-05-03 | Whirlpool Corporation | Adaptive fill for dishwashers |
DE102007011307B3 (de) | 2007-03-06 | 2008-08-21 | Miele & Cie. Kg | Verfahren zur Durchführung eines Wassereinlaufs in den Spülbehälter einer Spülmaschine |
-
2009
- 2009-11-03 DE DE102009046359A patent/DE102009046359A1/de not_active Withdrawn
-
2010
- 2010-10-27 EP EP10771103.8A patent/EP2496126B1/de active Active
- 2010-10-27 TR TR2019/00622T patent/TR201900622T4/tr unknown
- 2010-10-27 WO PCT/EP2010/066231 patent/WO2011054711A2/de active Application Filing
- 2010-10-27 PL PL10771103T patent/PL2496126T3/pl unknown
- 2010-10-27 RU RU2012120617/12A patent/RU2531269C2/ru active
- 2010-10-27 US US13/503,031 patent/US9055850B2/en active Active
- 2010-10-27 CN CN2010800493723A patent/CN102595993A/zh active Pending
Non-Patent Citations (1)
Title |
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None |
Also Published As
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US20120204907A1 (en) | 2012-08-16 |
EP2496126B1 (de) | 2019-01-02 |
EP2496126A2 (de) | 2012-09-12 |
RU2012120617A (ru) | 2013-12-10 |
RU2531269C2 (ru) | 2014-10-20 |
CN102595993A (zh) | 2012-07-18 |
DE102009046359A1 (de) | 2011-05-05 |
WO2011054711A3 (de) | 2011-07-14 |
PL2496126T3 (pl) | 2019-06-28 |
US9055850B2 (en) | 2015-06-16 |
TR201900622T4 (tr) | 2019-02-21 |
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