EP3100664B1 - Lave-vaisselle et procédé de fonctionnement en économie d'énergie d'un lave-vaisselle - Google Patents

Lave-vaisselle et procédé de fonctionnement en économie d'énergie d'un lave-vaisselle Download PDF

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Publication number
EP3100664B1
EP3100664B1 EP16176366.9A EP16176366A EP3100664B1 EP 3100664 B1 EP3100664 B1 EP 3100664B1 EP 16176366 A EP16176366 A EP 16176366A EP 3100664 B1 EP3100664 B1 EP 3100664B1
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EP
European Patent Office
Prior art keywords
boiler
water
temperature
rinsing
dishwasher
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EP16176366.9A
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German (de)
English (en)
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EP3100664A1 (fr
Inventor
Andreas Fischer
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Winterhalter Gastronom GmbH
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Winterhalter Gastronom GmbH
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0047—Energy or water consumption, e.g. by saving 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • 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
    • A47L15/0076—Washing or rinsing machines for crockery or tableware of non-domestic use type, e.g. commercial dishwashers for bars, hotels, restaurants, canteens or hospitals
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/12—Water temperature
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/06—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
    • 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
    • A47L2501/36—Other output

Definitions

  • the invention relates to a designed for commercial use dishwasher, in particular a (basket) feed-through dishwasher. Furthermore, the invention relates to a method for energy saving in the standby mode of a dishwasher.
  • Dishwashers designed for commercial use hereinafter also commercial dishwashers, are characterized, without restriction of generality, by the fact that they are structurally designed for an almost continuous operation, which places particularly high demands on pumps and power-electric components such as relays and contactors, the millions of cycles should work without failure.
  • a rinse cycle (rinse) of a commercial dishwasher usually lasts only very short (typically only a few minutes) and requires only small amounts of fresh water (typically only a few liters).
  • the water used for rinsing the items to be washed is electrically heated in a rinsing water tank and in a boiler of the dishwasher by means of radiators. Tubular heaters are often used.
  • the tubular heater can be considered in principle as a resistor R, which converts electrical energy into heat
  • U the electrical mains voltage of the low-voltage network to which the dishwasher is connected
  • R denotes the resistance of the tubular heater.
  • the power output from the tubular heater changes quadratically and the current changes linearly with the voltage when the resistance of the radiator remains constant.
  • the three-phase low-voltage networks are designed as a delta network (three phases without neutral) or star network (three phases with neutral), depending on the country.
  • the regeneration of the tank water takes place via the fresh water which is supplied from the boiler at the end of a rinsing cycle. Due to the very short flushing times, the fresh water in the boiler must be heated from tap water temperature (about 5 ° C-25 ° C) to about 80-85 ° C in a very short time (e.g., less than 2 minutes). The heating of the water in the boiler is carried out electrically via one or more radiators with a capacity of up to 12 kW. The rinse water tank is heated parallel to the boiler to keep the temperature of the dishwasher at about 62 ° C. In particular, the rinsing of cold dishes of the tank are withdrawn considerable amounts of energy. In a feed-through dishwasher for commercial use, the performance of the tank heater is typically up to 5 kW.
  • WO 2006/034760 A1 relates to a method with which supposedly dishwasher can be operated energy-saving. Especially for larger businesses, such as canteens in hospitals or large farms, as well as in the field of medical disinfection, an energy-saving operation of dishwashers plays an important role. Therefore, a method is proposed in which a group of electrical consuming elements of a dishwasher is assigned a maximum total electrical power. Furthermore, each electrical load element of this group assigned at least two levels of performance. In a demand determination step, then, depending on an operating state B of the dishwasher, an optimum combination of power levels is selected, wherein for each consumer element the selected power level is matched to the power demand of the consumer element in operating state B and the total power of all the load element does not exceed the maximum total electrical power.
  • the operation of the dishwasher can be divided into three phases, a start phase, a switch-on phase and a load control phase.
  • the power levels of the individual consumer elements are optimally adapted, whereby it is also possible to react to fluctuations in the operating state.
  • EP 1 867 775 A1 describes a circuit arrangement for household appliances.
  • This circuit comprises an electrical heating element and one or more load impedances connected in parallel with electrical power supply terminals.
  • Power supply terminals are adapted to be connected to a line voltage to supply an alternating current to the electrical heating element and load impedances, and a semiconductor switch means connected in series with the heating element and modulating the line cycle time of the heating element to supply the current
  • a control means continuously controls the value of the current flowing through the load impedances and controls the semiconductor switch means such that the value of the sum of all currents entering the circuit does not exceed a predetermined limit.
  • US 4,561,904 discloses a control system for controlling a dishwasher having a plurality of sequentially arranged workstations. Each of the stations performs a process on the items to be washed therein, such as washing, rinsing, drying, and the like.
  • a conveyor belt transports the items to be washed through the individual stations. The passage of the items to be washed by the stations is monitored and the conveyor belt is stopped if necessary.
  • An object of the invention is to provide a dishwasher, which can be operated energy-saving. It is further desirable that even with an energy-saving operation of the dishwasher, the dishwasher can perform a cleaning cycle in the shortest possible time and allows hygienic cleaning of the dishes. Another The object of the invention is to improve a dishwasher so that it can be operated as possible without adaptation in different low-voltage networks.
  • the invention relates to an energy-saving operation of a (commercial) dishwasher.
  • the dishwasher in standby mode, the water temperatures in a tank or boiler of the dishwasher and ensures that a certain lowest possible temperature is not exceeded.
  • This temperature is chosen so that in the event of start of a rinse cycle (ie rinse operation is initiated and sweep cycle), the water in a rinse cycle of desired (target) temperature, at the desired time and optionally (depending on the embodiment) as well can be provided in the desired amount to allow a hygienic rinsing operation.
  • target desired
  • the water temperatures in standby mode are reduced to minimum temperatures.
  • the power consumption of the dishwasher in standby can be significantly reduced while ensuring a hygienic cleaning of the dishes.
  • the dishwasher the on-site low-voltage network to which it is connected, independently recognize and based on the detected low-voltage network, the available power of the on-site low-voltage network (optionally taking into account a safety reserve) optimally distributed to individual electrical load elements of the dishwasher.
  • the power controller can control the distribution of power from the low-voltage network.
  • the power controller may include a switching unit which, depending on the detected low-voltage network, interconnects the individual phases of the low-voltage network with the electrical consuming elements.
  • the consumer elements can be switched on and off dynamically, for example as a function of the electrical consuming elements of the dishwasher required in the respective process step of the rinsing cycle.
  • An embodiment of the invention relates to a feed-through dishwasher comprising a boiler with a boiler heater for heating fresh water and a temperature sensor for determining the temperature of the fresh water in the boiler.
  • the boiler provides fresh water for rinsing the dishes in a rinse cycle.
  • the Feed-through dishwasher also has a power controller for detecting the low-voltage network to which the feed-through dishwasher is connected, and a temperature control unit for continuously monitoring the fresh water temperature in the boiler by means of the temperature sensor while the feed-through dishwasher is in a standby mode.
  • the temperature control unit further controls the power supply to the boiler heater in the standby mode of the feed-through dishwasher, so that the water temperature in the boiler does not fall below a respective predetermined minimum boiler temperature.
  • the respective predetermined minimum boiler temperature is calculated as a function of the performance of the detected low-voltage network so that the fresh water is provided for rinsing in the desired amount, with desired temperature and at the desired time in the rinse cycle from the boiler in a rinsing cycle to a to allow hygienic rinsing operation.
  • the temperature control unit corresponds for example to the control unit or the processor unit of the power controller of the dishwasher previously described.
  • the feed-through dishwasher also includes a rinse water tank with a tank heater for heating the rinse water and a temperature sensor for detecting the temperature of the rinse water in the rinse water tank, and a circulation pump for circulating the rinse water in the rinse water tank during the rinse cycle to the Clean dishes.
  • the temperature control unit continuously monitors the purge water temperature in the purge water tank by means of the temperature sensor, and controls the supply of power to the tank heater in the standby mode of the feedthrough dishwasher so that the purge water temperature in the purge water tank becomes a predetermined minimum Tank temperature does not fall below, with the predetermined minimum tank temperature depends on the performance of the detected low-voltage network.
  • the respective predetermined minimum tank temperature depending on the performance of the detected low-voltage network can be selected so that the rinse water is provided in the rinse cycle with the desired temperature and at the desired time from the water tank.
  • the temperature control unit may prioritize the boiler heater to supply power to the tank heater To ensure that in a rinse cycle, the fresh water for rinsing in the desired amount, at the desired temperature and at the desired time in the rinse cycle is provided by the boiler to ensure a hygienic rinsing operation is ensured. In such a case, it may happen that not enough "residual power" is available in order not to drop the rinse water temperature below the specified tank temperature.
  • Another embodiment of the invention relates to a method for energy saving in a feed-through dishwasher.
  • the low-voltage network to which the feed-through dishwasher is connected is detected and the fresh-water temperature in a boiler of the dishwasher is continuously monitored while the feed-through dishwasher is in a standby mode.
  • the boiler is equipped with a boiler heater for heating fresh water.
  • the power supply to the boiler heater in the standby mode of the feed-through dishwasher is controlled such that the fresh water temperature in the boiler is a respective predetermined minimum Boiler temperature does not fall below.
  • the respective predetermined minimum boiler temperature is selected as a function of the performance of the detected low-voltage network so that the fresh water is provided in a desired rinse cycle, desired temperature and at the desired time in the rinse cycle from the boiler to a hygienic rinsing operation to enable.
  • the method may further comprise continuously monitoring the purge water temperature in a purge water tank of the feed-through dishwasher in a further embodiment, further assuming that the purge water tank comprises a tank heater for heating the purge water.
  • the power supply to the tank heater is controlled in the standby mode of the feed-through dishwasher so that the rinse water temperature in the rinse water tank does not fall below a respective predetermined minimum tank temperature, wherein the predetermined minimum tank temperature depends on the performance of the detected low-voltage network.
  • the respective predetermined minimum tank temperature depending on the performance of the detected low-voltage network can be selected so that the rinse water is provided in the rinse cycle at the desired temperature and at the desired time from the water tank.
  • the boiler heater in the power supply to the tank heater to ensure that in a rinse cycle, the fresh water for rinsing in the desired amount, with the desired temperature and at the desired time in the rinse cycle of Boiler is provided so that a hygienic flushing operation is ensured.
  • the tank heater can be prioritized in the power supply to the boiler heater to ensure that in a rinse cycle the rinse water of the rinse water tank with the desired temperature and at the desired time in the rinse cycle from the rinse water tank is provided for rinsing the dishes, so that a hygienic flushing operation is ensured.
  • Another embodiment of the invention is a computer-readable medium having stored thereon instructions which, when executed by a processor unit of a through-feed dishwasher, cause the feed-through dishwasher to follow the steps of the energy-saving method in a feed-through dishwasher according to any one of the various described embodiments perform.
  • the dishwasher further comprises a plurality of electrical load elements and a multi-conductor power input terminal for connecting the power controller to the conductors of the on-site low-voltage network, having one or more phases, in particular three phases.
  • the power controller is able to detect the type of low-voltage network on the basis of the power controller supplied single-phase or multi-phase grid voltage of the low-voltage network.
  • the power controller comprises a switching unit which electrically connects the conductors of the power input terminal to groups of the load elements depending on the detected type of low voltage network. Each group comprises at least one consumer element or a plurality of consumer elements connected in parallel to each other, and at least one switch for controlling the power supply to the consumer elements of the respective group.
  • the switching unit may be single-stage, two-stage or multi-stage.
  • a separate switch is provided for each electrical load element of each group.
  • the power controller can be designed as a power electronic printed circuit board (PCB). It is also possible that the power inlet clamp of the dishwasher forms part of the power controller.
  • the mains input terminal and / or the terminals of all consumer elements of the dishwasher can be designed, for example, as a releasable connecting element, in particular as a plug.
  • the dishwasher for detecting the voltage network comprises a measuring unit for determining the number of phases of the voltage network; and a processor unit for detecting the type of voltage network based on the determined number of phases.
  • the measuring unit may, for example, be designed so that it determines the relative (phase) position of the phases and / or the mains voltage of the low-voltage network.
  • the processor unit may for example be adapted to recognize the type of voltage network based on the determined number of phases, and on the basis of the relative phase position and / or the mains voltage.
  • which parameters are required to detect the type of low-voltage network also depends on the low-voltage networks in which the dishwasher is to be used and what differences exist between these low-voltage networks in terms of voltage, number of phases and relative phase.
  • the processor unit is capable of switching the switches of the switching unit and of the groups of electrical load elements such that the total current supplied to the electrical consuming elements does not exceed the protection of the low-voltage network, optionally taking into account a safety reserve.
  • the power supply to each consumer element in at least one of the groups of electrical consumer elements can be controlled individually with a switch by the processor unit.
  • the processor unit can switch the power supply to the electrical consuming elements as a function of the respective process step of a rinsing cycle of the dishwasher by means of the switches of the groups of electrical consumer elements.
  • the processor unit of the dishwasher is adapted to read out the security of the low-voltage network from a memory of the line adjuster or the dishwasher or a coding circuit manually coded according to the protection.
  • the power controller includes a memory that stores configuration information.
  • This configuration information may indicate, for example, how the processor unit, depending on the detected (type) low-voltage network and its protection must cause the controller unit to switch the switches of the switching unit and the individual groups of electrical load elements, so that the power of the low-voltage network to the electrical Consumers of the dishwasher is distributed, that the total current does not exceed the protection of the low voltage network, optionally taking into account a safety reserve.
  • the resistance values of the individual electrical load elements of the dishwasher can also be stored in the configuration information of the memory.
  • the processor unit reads out the configuration information for the respective recognized low-voltage network and its protection from the memory and switches the switches of the switching unit on the basis of the read-out configuration information.
  • the processor unit can optionally control the voltage of the Low voltage network from a memory of the line actuator or the dishwasher read, for example, if this can be entered by the user or must.
  • the switching unit is capable of switchably connecting each phase of the mains voltage to a group of electrical load elements.
  • this interconnection may look as follows: If the detected low-voltage network is only a single-phase network, all the consumer elements are driven with this one phase. In a three-phase delta network, the three phases are connected to a respective group (or groups) of electrical load elements. In a three-phase, neutral-mode, low-voltage network, the three phases and the neutral are respectively connected to a respective group (or groups) of electrical consuming elements.
  • the power controller may, for example, have switches to connect each phase of the mains voltage to a group of electrical load elements.
  • the switches can also be designed as a short-circuit switch or bridges to short circuit the head of the power input terminal of the dishwasher according to the detected low-voltage network and so supply the individual phases by means of the individual (possibly with each other short-circuited) conductors to the consumer elements.
  • the processor unit is capable of switching these switches, depending on the type of low-voltage network detected, to short-circuit individual conductors of the mains input terminal and / or to connect them to the groups of consumable elements.
  • switches do not necessarily have to be provided in the dishwasher as part of the power controller, but corresponding switches or bridges may alternatively be operated manually, e.g. during the installation of the dishwasher, switched according to the existing low-voltage network, or set.
  • the power controller for the load elements comprises a plurality of power regulators. These can be designed, for example, as pulse width modulators.
  • the power regulators serve to reduce the (electrical) power to be delivered to the consumer elements.
  • everyone Power controller leads the reduced power in each case to an electrical load element (or optionally also several).
  • the dishwasher may also comprise a control unit which communicates via a data bus with the processor unit of the power controller.
  • the processor unit receives control signals for the electrical consuming elements of the dishwasher from the control unit and, in accordance with the control signals, controls the supply of power to the respective consumer elements.
  • the functionality of the control unit may also be implemented in the processor unit of the power controller itself. If the power controller and the control unit are executed on different electronic printed circuit boards (PCBs), it is advantageous to provide corresponding plug connections on the electronic printed circuit boards in order to be able to couple them by means of a data cable and thus enable the communication between the control unit and processor unit (power controller).
  • PCBs electronic printed circuit boards
  • One aspect of the invention relates to the design of a dishwasher, in particular for commercial use, which can be operated in different low-voltage networks.
  • the dishwasher is designed so that, despite the ability to operate the dishwasher in different low-voltage networks, ideally no differences in the structure of the dishwasher, especially with regard to the (number of) installed radiators, pumps and power electronic components such the power controller, needs.
  • the dishwasher according to this aspect of the invention is able to independently recognize the on-site low-voltage network to which it is connected and optimally based on the detected low-voltage network, the available capacity of the on-site low-voltage network (optionally taking into account a safety reserve) to individual electrical consumer elements to distribute the dishwasher. It is thus possible, depending on the detected low-voltage network, to use its maximum power effectively.
  • the dishwasher includes a power controller that controls the distribution of power from the low-voltage grid.
  • the power controller can for this purpose comprise a switching unit which, depending on the detected low-voltage network, interconnects the individual phases of the low-voltage network with the electrical consumer elements.
  • the switching unit can, as will be explained in more detail below, be formed in one or more stages.
  • the electrical consumer elements which are taken into account according to the invention, are not necessarily all electrical consumer elements of the dishwasher, but for example, only those that can absorb significant power.
  • these are electrical load elements that have a current flow in the three-digit mA range or cause more, such as circulating pump or radiator, or their heating coils for boiler or Spülwassertank.
  • Electrical consumer elements that consume little power, for example, in the two-digit mA range or less, need not be considered, but can be considered, for example, a lump sum (for example, by a power reserve).
  • Electrical consumer elements, which are traversed by very little current are for example solenoid valves for supplying the fresh water or pumps for the rinsing chemistry, the power consumption of the power controller itself or the control electronics, etc.
  • the power controller can be designed as a power electronic printed circuit board (PCB).
  • the semiconductor power controller is implemented on a power electronic board, i. it includes substantially power semiconductor devices such as power diodes, thyristors, triacs, power MOSFETs and / or IGTB devices capable of switching the necessary currents and voltages occurring in a low voltage network.
  • substantially power semiconductor devices such as power diodes, thyristors, triacs, power MOSFETs and / or IGTB devices capable of switching the necessary currents and voltages occurring in a low voltage network.
  • the use of power semiconductors in the power controller multiplies the number of switching cycles, which significantly improves the service life.
  • the dishwasher For recognizing the on-site low-voltage network to which the dishwasher is connected, the dishwasher according to one embodiment comprises a measuring unit and a processor unit.
  • the measuring unit determines, for example, the number of phases of the on-site low-voltage network and optionally their (relative) phase relationship to one another and / or the voltage of the on-site low-voltage network.
  • the processor unit From the determined information of the on-site low-voltage network, the processor unit subsequently determines to which type of low-voltage network the dishwasher has been connected and configures the switching unit of the power controller such that the individual phases of the detected low-voltage network are supplied so that they can supply power to corresponding electrical consuming elements.
  • the individual conductors of the mains connection can be additionally secured with a fuse.
  • individual information on the on-site low-voltage network can be configured manually, eg during the installation of the dishwasher.
  • the voltage of the low-voltage network and / or the on-site protection of the low-voltage network could also be configured manually.
  • individual parameters of the low-voltage network can also be configured / specified become.
  • the configuration information can be stored, for example, in a data memory of the power controller of the dishwasher, to which the processor unit can read and optionally also write access.
  • the power supply to each electrical load element may be individually controlled with a switch by the processor unit.
  • Each phase of the on-site low-voltage network is advantageously connected to a group consisting of several electrical consumer elements, but the individual consumer elements can be individually acted upon by means of the associated switch with power.
  • the electrical consumer elements of a feed-through dishwasher which are supplied by the power controller with power from the on-site low-voltage network, the heating coils of the radiator for the flushing water tank and the boiler, and a circulating pump for circulating the rinse water in Spülwassertank.
  • the circulation pump motor can also be controlled by a frequency converter.
  • further electrical consumer elements can be provided in the feed-through dishwasher, which can also be supplied with power by the power controller. These may be, for example, solenoid valves, dosing pumps for the rinsing chemistry, a pump for supplying the fresh water from the boiler and / or a pump for pumping out rinsing water.
  • these elements consume little power compared to the radiators of the boiler or the rinsing water tank and the circulation pump. It is therefore possible that these only slightly power-consuming elements of the dishwasher are already taken into account with a safety margin and thus need not be explicitly taken into account by the power controller in the distribution of power from the detected low-voltage network. Of course, it is also possible to consider consumer elements with low power consumption in the distribution of the connected load of the low-voltage network; This primarily only increases the complexity of the power distribution.
  • FIG. 1 A feed-through dishwasher according to an exemplary embodiment of the invention is shown in FIG Fig. 1 shown.
  • Fig. 2 shows a functionally explanatory structure of the feed-through dishwasher Fig. 1 ,
  • the exemplary through-feed dishwasher comprises in its upper region a washing compartment, which is formed on the one hand by the rear wall and the rinsing water tank of the feed-through dishwasher and on the other by the example of the top to be pivoted open hood of the feed-through dishwasher.
  • the washing compartment serves to receive the items to be cleaned.
  • the items to be washed are cleaned by circulating the rinsing water in the rinsing water tank, which is located in the lower area of the rinsing room, as in Fig. 2 can be seen.
  • the rinse water tank has a radiator for heating the rinse water and can typically accommodate a rinse water amount of about 15 to 45 liters.
  • the dishwasher comprises a rotatable washing arm, which is rotatably arranged in the lower region of the washing compartment below the items to be cleaned. Additionally or alternatively, a rinsing arm can also be provided lying above the ware, as exemplified in FIG Fig. 2 shown.
  • the rinsing water is pumped into the rinsing arm (or the rinsing arms) and cleans the dishes.
  • the flushing arm can be used to rinse after the Umisselzphase in the rinse cycle with the items supplied from the boiler, heated clean water and so at the same time supply fresh water to the rinse water in the tank.
  • a separate Vietnamesearm be provided for this purpose.
  • Corresponding pumps (motors) for supplying the rinsing water or fresh water via the rinsing arm (or Vietnamese chandelierarm, if available), supply of the detergent and for removal of contaminated rinse water are also provided, but in Fig. 2 only hinted.
  • control electronics control unit
  • the power controller which will be discussed in more detail below, as well as the aforementioned circulation pump and the boiler.
  • the capacity of the boiler for example, correspond to the amount of fresh water required for rinsing. But it is also possible that the boiler holds more fresh water than necessary for rinsing. In this way, the Vietnamesemenge to be adjusted to higher and lower values in accordance with the dishwasher.
  • other conventional elements of the feed-through dishwasher such as the fresh water supply and rinse water drain, the heating of Spülwassertanks and the boiler, a frequency converter for controlling the pumps or mains connection of the on-site low-voltage network.
  • the control unit and the power controller can be implemented on different electronic printed circuit boards (PCBs) and connected to each other via a data cable. But it is also possible to execute the control unit and the power controller in an electronic printed circuit board (PCB).
  • the individual process steps of the rinsing cycle of the through-feed dishwasher include, for example, the so-called circulation time (circulation phase) in which the circulation pump of the dishwasher cleans the items to be washed by circulating the liquor in the rinse water tank, and a post-rinse phase in which the cleaned items to be washed Fresh water is rinsed.
  • the dishwasher according to the invention should enable hygienic cleaning of the items to be washed. This means that at least in one process step of the rinsing cycle, the water must have a temperature that ensures the hygienic cleaning of the dishes. If one starts from the exemplary rinsing cycle of a feed-through dishwasher described above, then either the final rinsing of the items to be washed with 2 to 5 liters of fresh water and / or the cleaning of the items to be wiped must take place by circulation at correspondingly high temperatures. For rinsing the fresh water should therefore have a temperature of 60 ° C to 90 ° C, advantageously from 80 ° C to 85 ° C.
  • the fresh water is heated to 85 ° C for rinsing. If the rinsing process is to ensure the hygienic cleaning of the items to be washed, the items to be washed are cleaned for a certain time with rinse water in the temperature range between 55 ° C and 70 ° C, advantageously between 60 ° C and 65 ° C.
  • rinsing the dishes with rinse water having a temperature of 62 ° C.
  • a hygienic rinse result can also be influenced by the duration of the rinse cycle and the final rinse, by the temperatures of the rinse water in the circulation phase and the fresh water in the final rinse phase, and by the rinse chemistry. For particularly long rinse times or when using special rinsing chemistry, the temperatures of rinse water and fresh water may differ from the typical temperatures listed above beispielhalft, in particular lower.
  • the electric radiators (or, where applicable, their individually controllable heating coils) of the boiler and the rinsing water tank, as well as the circulating pump represent the relevant power consumers in the dishwasher.
  • These electrical load elements usually have a power consumption in the kW range, while other electrical consumers, such as electrically operated metering pumps and solenoid valves, the power controller, the control electronics, electrical controls or a display, etc. only require currents in the single-digit or double-digit mA range and thus contribute only slightly to energy consumption.
  • radiators The heating of the water in the boiler or the rinsing water tanks takes place electrically via radiators.
  • a radiator can be used as a radiator, a tubular heater.
  • a heater has a plurality of heating coils (e.g., 2, 3, or 4) that may have different or identical heating cables.
  • a three-way radiator is used for boiler and / or flushing water tank covering the entire mains voltage range worldwide.
  • the radiator for boiler and / or rinse water tank can also be designed as diminu-helical.
  • a radiator may, for example, have a total heating power of up to 18 kW, but higher or lower heating capacities may also be used.
  • the individual heating coils of the radiator can in an exemplary implementation individually controlled by the power controller.
  • Each filament of the radiator can have a different resistance and thus gives off a different power at the same mains voltage. If the heating coils can be switched individually, this results in a large number of heating powers, which can be adjusted with the feeder.
  • different heating strands can be switched on by the power controller. It also takes into account how the switching unit distributes the groups of consumable elements to the individual phases of the grid connection.
  • radiators by means of plugs (and possibly cables) to the power controller.
  • the plugging of the radiator on the power controller means in comparison to the screw connection with the shooters a simplification and acceleration of the assembly processes.
  • the power controller may also allow the electrical power to be distributed by half-wave control between boiler and flushing water tank, or between the boiler radiators.
  • the heat output in the rinsing water tank and boiler can be adjusted very finely, which enables exact regulation of the temperatures in the rinsing water tank and boiler.
  • the individual consumer elements can also be controlled with a pulse width modulation in order to control their power consumption.
  • the control unit of the feed-through dishwasher can transmit, for example, via a bus to the power controller, which heating coil is turned on and how the power is distributed between the individual heating coils (half-wave control).
  • the software of the processor unit for example, a microcontroller, the power controller takes over the control of the power semiconductors and ensures, for example, that they switch in voltage zero crossing and a switchover between different heating coils happens as possible flicker.
  • Fig. 3 shows a power controller according to an embodiment of the invention, which controls the supply of power from the low-voltage network to a boiler heater with four heating coils, a Spül investigatingung with a heating coil and to a circulation pump.
  • the power to the circulation pump UP can optionally be interrupted with a safety relay 305, for example, to prevent the pump circulating the rinse water when the hood / door of the dishwasher is opened.
  • the power controller 300 of the dishwasher has a power input terminal 301, which is designed as a connector and is connected to the on-site network.
  • the mains input terminal 301 is designed as a 4-pole plug and accordingly four conductors are fed to the configuration switching unit 302.
  • the conductors are labeled L1, L2, L3 and N, where N is the neutral and the conductors L1, L2, L3 are up to three phases of the low voltage network. But it is also possible to additionally provide a PE (Protective Earth) conductor and to carry out the mains input terminal 301 as a five-pin plug.
  • PE Protected Earth
  • a measuring device 303 is in Fig. 3 connected in front of the configuration switching unit 302 to the conductors L1, L2, L3 and N.
  • the measuring device 303 measures for each of the three conductors L1, L2, L3 whether a phase of the on-site low-voltage network is applied to it and, if so, the phase difference between the individual conductors. Furthermore, the measuring device 303 can also detect the voltage applied to the respective conductors L1, L2, L3. Based on these metrics, the processor unit 307 can determine which type of low voltage network has been connected to the power input terminal. The processor unit 307 can thus distinguish single-phase and three-phase low-voltage networks, recognize the voltage of the low-voltage network and recognize from the phase differences, whether it is a three-phase star network (with neutral) or a triangular network (without neutral).
  • one phase of the mains connection 301 may be connected to only one of the conductors L1, L2, L3 (eg, conductor L1).
  • the measuring device 303 recognizes the single-phase on-site low-voltage network because only one of the conductors (eg L1) has an alternating voltage.
  • the processor unit 307 recognizes a single-phase low-voltage network based on the measurement results of the measuring device 303, it causes the configuration switching unit 302 to connect all groups of consumable elements to the one phase.
  • the dishwasher can be a star network (L1, L2, L3 and N connected) or a delta network (L1, L2 and L3 connected).
  • the measuring unit compares the phase positions of star voltages U L1-N , U L2-N and U L3-N with each other. If the neutral conductor is not connected, it runs via a circuit in the measuring unit 303 synchronously with one of the phases L1, L2 or L3. Via the phase position, the measuring unit 303 calculates whether it is a triangular network or star network.
  • the configuration switching unit 302 may also be implemented "manually.” For this purpose, instead of processor unit-controlled configuration switches (short-circuit) terminals are used manually during the installation of the dishwasher to achieve the necessary according to the network type interconnection of the conductors L1, L2, L3 and N.
  • processor unit-controlled configuration switches short-circuit terminals are used manually during the installation of the dishwasher to achieve the necessary according to the network type interconnection of the conductors L1, L2, L3 and N.
  • the conductors L1, L2 and L3 are short-circuited using short-circuit terminals or bridges so that the same phase is applied to all three conductors of the grid connection.
  • the conductors L1, L2, L3 and N must be connected by means of short-circuit terminals or bridges in such a way that the (groups of) the consumer elements as in Fig. 6 shown connected to the phases, ie the on-site (not existing) neutral is not used.
  • the plug of the connection cable already correctly transmits the individual phases to the mains connection terminal of the dishwasher.
  • the measuring device 303 can only be connected to the individual conductors L1, L2, L3 and N after this. Accordingly, in this case, the set bridges must be taken into account in detecting the type of mesh from the measuring device 303.
  • the processor unit 307 causes the configuration switching unit 302 in the event that a star network is detected (and thus a neutral), the configuration switches 312 to switch so that they the switches T1-T6 of the switching unit 304 with the neutral Connect N In the event that a triangular network has been detected (and thus no neutral is present), the processor unit 307 causes the configuration switching unit 302 to switch the configuration switches 312 so as to connect the switches T1, T2, T4, T5 and T6 of the switching unit 304 connects to the conductor L3 and T3 to L2.
  • the processor unit 307 causes the configuration switching unit 302, the conductors L1, L2, L3 and N (star network) and conductors L1, L2 and L3 (delta network) with the electrical load elements, ie in the embodiment with the heating coils of the radiator and the circulation pump connect to.
  • Fig. 4 shows an exemplary interconnection of the electrical consumer elements, ie the four coils (B1.1, B1.2, B1.3 and B1.4) of the boiler radiator, the coil (T1.1) of the Spül currentlyerMap stressess and the circulating pump in Fig. 3 in a star network.
  • Fig. 5 shows an exemplary interconnection of the electrical consumer elements, ie the four coils (B1.1, B1.2, B1.3 and B1.4) of the boiler radiator, the coil (T1.1) of the Spül adventerMap stressess and the circulating pump in Fig. 3 in an AC network.
  • Fig. 6 shows the interconnection in a triangle mesh.
  • the switches T1 to T6 show the individual switches of the switching unit 3 04 in Fig. 3 ,
  • the configuration of the configuration switches S1-S4 of the configuration switching unit 302 corresponding to each recognized low-voltage network can be stored, for example, at the factory in a memory device 308 of the power controller (for example a ROM, EEPROM, or other readable and optionally writable non-volatile memory).
  • the processor unit 307 may then read the corresponding configuration information for the configuration switches S1-S4 from the memory unit 308 depending on the detected low-voltage network and cause the configuration switching unit 302 to switch the configuration switches S1-S4 accordingly.
  • the conductors L1, L2, L3 and the neutral conductor N are connected to the electrical load elements such that each of the conductors L1, L2 and L3 and the neutral conductor N (if present on-site) with a group of several consumer elements is connected.
  • Each consumer element is further switchable via a switch of the switching unit 304, wherein the respective switch of the consumer element can be opened and closed by the processor unit 307.
  • the processor unit 307 can individually control the flow of current through the individual consumer elements. This allows processor unit 307 to selectively control the power supplied to the load elements to the individual process steps of a purge cycle while ensuring that the power consumed by the load elements does not exceed the maximum power provided by the detected low voltage network (optionally less power margin).
  • the table below shows, by way of example for different grids, how the consumer elements of the tank heater, boiler heater and circulating pump are switched when the boiler is prioritized, if there is a corresponding heating demand. Other combinations are conceivable. It is assumed that the following performances of the individual heating elements and the circulation pump at a voltage of 230 V eff .
  • the circulation pump (consumer element) UP has a capacity of 1.5 kW.
  • the respective switch positions of the switches of the switching unit 304 store.
  • the processor unit 307 can here again depending on the detected low-voltage network and the respective process step in the flushing cycle, the corresponding switching information for the switches T1-T6 of the switching unit 304 from the memory unit 308th and cause the switching unit 304 to switch the switches T1-T6 of the switching unit 304 accordingly.
  • the respective available power in the different types of low-voltage networks depends on the number of phases and the mains voltage and the protection of the low-voltage network, i. the maximum current flow per phase.
  • the protection of the phases can be specified, for example, by a coding circuit during the installation of the dishwasher. Alternatively, the security can also be programmed by the user of the dishwasher and is stored in the storage device.
  • the processor unit 307 is able to read out the coding circuit or to read out the protection of the phases from the memory device in order thus to determine the respective maximum power (per phase) of the recognized low-voltage network.
  • the processor unit 307 can read out the corresponding switch positions of the switching unit 304 for the respective process steps of the flushing cycle from the memory unit 308 and cause the switching unit 304 to open or close the switches of the switching unit 304 accordingly.
  • the amount of mains voltage can be indicated by a coding circuit during the installation of the dishwasher or alternatively can be programmed by the user of the dishwasher and stored in the memory device. In this case, it is not necessary for the measuring device 303 to determine the mains voltage of the on-site low-voltage network, but the value can be read out from the coding circuit or the memory device 308 by the processor unit 307.
  • the type of low voltage network to which the dishwasher is connected and its mains voltage and protection are set by one or more encoding circuits and read out by the processor unit 307 to switch the configuration switching unit 302 and switching unit 304 according to the coded information.
  • the information can be programmed by the user of the dishwasher and stored in the memory unit of the power controller. The processor unit 307 may then read this information and control the configuration switching unit 302 and the switching unit 304 accordingly.
  • the in Fig. 3 shown exemplary power controller 300 according to an embodiment of the invention is provided with a two-stage switching arrangement.
  • the first stage corresponds to the configuration switching unit 302, which connects the lines L1, L2, L3 and N of the grid connection in dependence on the detected low-voltage network with the electrical load elements.
  • the second stage corresponds to the switching unit 304 and makes it possible to control the power supply to the individual load elements by means of their switches T1-T6. In another embodiment, it is provided to realize these two stages in a single switch arrangement.
  • the power controller 300 comprises instead of the configuration switching unit 302 and switching unit 304 a switching matrix with switches that allow each electrical load element depending on the detected low-voltage network (and the power provided) and depending on the process step of the rinse cycle with one of the conductors L1 , L2 and L3 and the neutral conductor (star network and single-phase AC network) or to connect to two of the conductors L1, L2 and L3 (delta network).
  • the configuration of the power controller, and in particular the manner in which the configuration switching unit 302 and the switching unit 304 are switched by the processor unit 307 depends, as explained, both on the number and the individual powers of the considered load elements, as well as on the low-voltage network the dishwasher is connected (type of mains, voltage and protection).
  • the invention is not on the in Fig. 3 shown number of consumer elements, in particular limited to a 4-way boiler heater and a 1-way tank heater.
  • the boiler heater and tank heater may also have more or less heating coils (and thus consumer elements).
  • the power controller 300 can not be implemented on a single power electronic PCB (PCB), but that several power controllers, which in turn can drive different groups of consumer elements, are used in cascade.
  • the individual phases of the low-voltage network can be connected to the mains connection terminal 301 of the parallel-connected power controller 300.
  • control electronics can be implemented on its own electronic printed circuit board (PCB) and the necessary control information to control the configuration switching units 302 and the switching unit 304 via data bus to the power controller, or their Transmit processor units 307.
  • the power controllers are connected to the control unit with data cables (see data bus connection 306).
  • An embodiment of the invention relates to the energy-saving operation of a (commercial) dishwasher, as described for example in relation to Fig. 1 to 3 has been described.
  • the dishwasher monitors in standby mode the temperature of water required in a rinse cycle provided by a tank or boiler of the dishwasher and ensures that the water temperature does not fall below a certain predetermined temperature. This temperature is chosen so that at the start of a rinse cycle (ie, the rinsing operation is taken and a rinse cycle to go through), the water during the rinse cycle with the desired (target) temperature, at the desired time and optionally in the desired amount (depending on the embodiment) can be provided to allow a hygienic rinsing operation.
  • the dishwasher activates and deactivates the heating of the boiler and / or rinse water tank.
  • the dishwasher according to an embodiment of the invention allows that during the standby time of the dishwasher, the temperatures of at least the fresh water in the boiler and optionally also the rinsing water in the tank can be lowered and not fall below certain minimum temperatures.
  • the predetermined temperature for the fresh water which should not be fallen below, so this is chosen so that in the case of starting a rinse the rinse cycle can be started immediately and completed in the desired time, but still a hygienic cleaning by rinsing with sufficient heated water (eg 85 ° C) is ensured.
  • the predetermined temperature is selected so that the boiler can provide fresh water in the desired amount and at the desired temperature at the beginning of the post-rinse phase in the rinse cycle (or at least for a sufficient time within the rinse phase).
  • the predetermined temperature which should not be undershot, chosen so that the The boiler heats the water in the boiler within 104 seconds to the desired temperature of 85 ° C.
  • the boiler volume may be selected so that, irrespective of the rinse volume selected, the amount of residual water in the boiler after rinsing is constant (e.g., 4.5 liters).
  • the value of the given fresh water temperature depends inter alia on the power that can be made available to the radiator during the available time span (ie 104 sec in the preceding example). Among other things, this power may depend on the maximum power of the low voltage network (ie voltage, number of phases and their protection). Of course (as explained) also influences the volume of the boiler and the amount of residual water remaining in the boiler, the power of the boiler heater or its coils, the required amount of water, as well as the time available for heating the fresh water to the predetermined temperature should not fall below.
  • the table below for a selection of different services of the low voltage network shows by way of example, which temperature of the fresh water should not fall below in standby mode, so that 2 or 3 liters of fresh water for the 104 seconds after cycle start incipient rinsing with 85 ° C provided can be.
  • Table 3 below assumes that after rinsing, a residual water quantity of 4.5 l will always remain in the boiler. Accordingly, after refilling the boiler 6.5 1 and 7.5 1 fresh water in the boiler, which must be heated and then should not fall below the minimum temperatures shown in Table 3.
  • the rinse water has a certain temperature, for example 62 ° C., for a certain time.
  • a certain rinse water temperature can be set, which should not be undershot in standby mode, so that the rinse cycle can be started immediately and yet the rinse water is available at a desired time of the rinse cycle with the desired temperature.
  • the recirculation time lasts 104 seconds.
  • the certain rinse water temperature which should not be undershot in the standby mode, can be selected so that at least for a certain time, for example 15, 30 seconds or 45 seconds of recirculation time the rinse water (at least) a certain temperature, eg 62 ° C, owns. Similar to Table 3 makes it clear that, for different low-voltage networks (and optionally for different flushing water volumes), the respective minimum flushing water temperatures, which should not be undershot in standby mode, are determined.
  • the fresh water is often supplied at a temperature below the designated minimum temperature of the fresh water in the boiler. If the grid connection power is low, it may happen that the temperatures required by the user for rinsing can not always be reached at the desired time when the next rinse cycle is started immediately after a rinse cycle has ended. In such a case, the dishwasher may correspondingly extend the rinse cycle or one or more process steps in which a desired temperature is to be achieved until the desired temperatures are reached.
  • the energy management and the temperature control of the dishwasher can be taken over either by the processor unit 307 of the power controller 300 or by the control unit of the dishwasher. If the control unit is used, it transmits the necessary control information via a data bus to the power controller, or its processor unit 307, which assumes the control of the switching unit 304 accordingly.
  • a bus connection 306 is indicated, which is a communication between the processor unit 307 and the control unit (see. Fig. 1 and Fig. 2 ).
  • the hygienic rinsing is to be made possible by a sufficiently high temperature of the rinsing water, then again it makes sense to prioritize the tank heating in the supply of power to the boiler heater. This ensures that in a rinse cycle the rinse water of the rinse water tank with the desired temperature and at the desired time in the rinse cycle from the rinse water tank is provided for rinsing the items to be cleaned.

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  • Washing And Drying Of Tableware (AREA)

Claims (13)

  1. Lave-vaisselle à translation, comprenant :
    un chauffe-eau avec un chauffage de chauffe-eau destiné au chauffage d'eau fraîche et avec une sonde de température destinée à la détermination de la température de l'eau fraîche dans le chauffe-eau,
    un régulateur de puissance (300), et
    une unité de commande de température destinée à la surveillance continue de la température de l'eau fraîche dans le chauffe-eau à l'aide de la sonde de température,
    caractérisé en ce que
    le chauffe-eau est adapté pour mettre à disposition de l'eau fraîche destinée au rinçage de l'article à laver dans un cycle de lavage ;
    le régulateur de puissance (300) est adapté pour détecter le réseau de basse tension auquel est connecté le lave-vaisselle à translation ; et
    l'unité de commande de température est adaptée pour surveiller de façon continue la température de l'eau fraîche dans le chauffe-eau à l'aide de la sonde de température pendant que le lave-vaisselle à translation se trouve dans un mode standby, et commande l'amenée de puissance au chauffage de chauffe-eau dans le mode standby du lave-vaisselle à translation de telle sorte que la température de l'eau dans le chauffe-eau ne passe pas au-dessous d'une température de chauffe-eau minimale prédéfinie respective,
    la température de chauffe-eau minimale prédéfinie respective étant choisie en fonction de la puissance du réseau de basse tension détecté de telle sorte que, dans un cycle de lavage, l'eau fraîche est mise à disposition par le chauffe-eau pour le rinçage en quantité souhaitée, à la température souhaitée et au moment souhaité dans le cycle de lavage pour permettre un mode de lavage hygiénique.
  2. Lave-vaisselle à translation selon la revendication 1, comprenant également :
    un réservoir d'eau de lavage avec un chauffage de réservoir destiné au chauffage de l'eau de lavage et avec une sonde de température destinée à la détermination de la température de l'eau de lavage dans le réservoir d'eau de lavage, et
    une pompe de circulation destinée à faire circuler l'eau de lavage dans le réservoir d'eau de lavage pendant le cycle de lavage pour nettoyer l'article à laver,
    l'unité de commande de température étant en outre adaptée pour, dans le mode standby du lave-vaisselle à translation, surveiller de façon continue la température de l'eau de lavage dans le réservoir d'eau de lavage à l'aide d'une sonde de température, et pour contrôler l'amenée de puissance au chauffage de réservoir dans le mode standby du lave-vaisselle à translation de telle sorte que la température de l'eau de lavage dans le réservoir d'eau de lavage ne passe pas au-dessous d'une température de réservoir minimale prédéfinie respective ; et
    la température de réservoir minimale prédéfinie étant fonction de la puissance du réseau de basse tension détecté.
  3. Lave-vaisselle à translation selon la revendication 2, la température de réservoir minimale prédéfinie respective étant choisie en fonction de la puissance du réseau de basse tension détecté de telle sorte que l'eau de lavage dans le cycle de lavage est mise à disposition par le réservoir d'eau à la température souhaitée et au moment souhaité.
  4. Lave-vaisselle à translation selon la revendication 2 ou 3, l'unité de commande de température étant adaptée pour prioriser le chauffage de chauffe-eau par rapport au chauffage de réservoir lors de l'amenée de puissance afin d'assurer que, dans un cycle de lavage, l'eau fraîche destinée au rinçage est mise à disposition par le chauffe-eau à la quantité souhaitée, à la température souhaitée et au moment souhaité dans le cycle de lavage afin qu'un mode de lavage hygiénique soit assuré.
  5. Lave-vaisselle à translation selon la revendication 2 ou 3, l'unité de commande de température étant adaptée pour prioriser le chauffage de réservoir par rapport au chauffage de chauffe-eau lors de l'amenée de puissance pour assurer que, dans un cycle de lavage, l'eau de lavage du réservoir d'eau de lavage est mise à disposition par le réservoir d'eau de lavage à la température souhaitée et au moment souhaité dans le cycle de lavage, pour le lavage de l'article à laver afin qu'un mode de lavage hygiénique soit assuré.
  6. Lave-vaisselle à translation selon l'une des revendications 1 à 5, la température minimale prédéfinie respective du chauffe-eau ou respectivement du réservoir d'eau étant fonction d'au moins un des paramètres suivantes :
    - la puissance maximale qui peut être acheminée au chauffage de chauffe-eau ou respectivement au chauffage de réservoir à partir du réseau de basse tension détecté,
    - les quantités d'eau respectives en provenance du chauffe-eau ou respectivement du réservoir d'eau qui sont nécessaires dans un cycle de lavage,
    - la température souhaitée des quantités d'eau respectives en provenance du chauffe-eau ou respectivement du réservoir d'eau qui sont nécessaires dans le cycle de lavage, et
    - le moment dans le cycle de lavage où les quantités d'eau respectives en provenance du chauffe-eau ou respectivement du réservoir d'eau doivent être mises à disposition à la température respectivement souhaitée.
  7. Procédé de fonctionnement en économie d'énergie d'un lave-vaisselle à translation, le procédé comprenant :
    la surveillance continue d'une température de l'eau fraîche dans un chauffe-eau du lave-vaisselle, le chauffe-eau étant équipé d'un chauffage de chauffe-eau destiné au chauffage de l'eau fraîche ;
    caractérisé en ce que
    la surveillance continue de la température de l'eau fraîche s'effectue dans un mode standby du lave-vaisselle à translation, et
    le procédé comprend également :
    la détection du réseau de basse tension auquel le lave-vaisselle à translation est connecté,
    la commande de l'amenée de puissance au chauffage de chauffe-eau dans le mode standby du lave-vaisselle à translation de telle sorte que la température de l'eau fraîche dans le chauffe-eau ne passe pas au-dessous d'une température minimale prédéfinie respective de chauffe-eau,
    la température minimale prédéfinie respective de chauffe-eau étant choisie en fonction de la puissance du réseau de basse tension détecté de telle sorte que, dans un cycle de lavage, l'eau fraîche est mise à disposition par le chauffe-eau en quantité souhaitée, à la température souhaitée et au moment souhaité dans le cycle de lavage afin de permettre un mode de lavage hygiénique.
  8. Procédé selon la revendication 7, comprenant en outre :
    la surveillance continue de la température de l'eau de lavage dans un réservoir d'eau de lavage du lave-vaisselle à translation, le réservoir d'eau de lavage comprenant un chauffage de réservoir destiné au chauffage de l'eau de lavage,
    la commande de l'amenée de puissance au chauffage de réservoir dans le mode standby du lave-vaisselle à translation de telle sorte que la température de l'eau de lavage dans le réservoir d'eau de lavage ne passe pas au-dessous d'une température minimale prédéfinie respective du réservoir, la température minimale prédéfinie respective du réservoir étant fonction de la puissance du réseau de basse tension détecté.
  9. Procédé selon la revendication 8, la température minimale prédéfinie respective du réservoir étant choisie en fonction de la puissance du réseau de basse tension détecté de telle sorte que l'eau de lavage dans le cycle de lavage est mise à disposition par le réservoir d'eau dans le cycle de lavage à la température souhaitée et au moment souhaité.
  10. Procédé selon la revendication 8 ou 9, le chauffage de chauffe-eau étant priorisé par rapport au chauffage de réservoir lors de l'amenée de puissance pour assurer que, dans un cycle de lavage, l'eau fraîche destinée au rinçage est mise à disposition par le chauffe-eau en quantité souhaitée, à la température souhaitée et au moment souhaité dans le cycle de lavage afin qu'un mode de lavage hygiénique soit assuré.
  11. Procédé selon la revendication 8 ou 9, le chauffage de réservoir étant priorisé par rapport au chauffage de chauffe-eau lors de l'amenée de puissance afin d'assurer que, dans un cycle de lavage, l'eau fraîche du réservoir d'eau de lavage est mise à disposition par le réservoir d'eau de lavage pour le lavage de l'article à laver à la température souhaitée et au moment souhaité dans le cycle de lavage afin qu'un mode de lavage hygiénique soit assuré.
  12. Procédé selon l'une des revendications 7 à 11, la température minimale prédéfinie respective du chauffe-eau ou respectivement du réservoir d'eau étant fonction en plus d'au moins un des paramètres suivantes :
    - la puissance maximale qui peut être acheminée au chauffage de chauffe-eau ou respectivement au chauffage de réservoir à partir du réseau de basse tension détecté,
    - les quantités d'eau respectives en provenance du chauffe-eau ou respectivement du réservoir d'eau qui sont nécessaires dans un cycle de lavage,
    - la température souhaitée des quantités d'eau respectives en provenance du chauffe-eau ou respectivement du réservoir d'eau qui sont nécessaires dans le cycle de lavage, et
    - le moment dans le cycle de lavage où les quantités d'eau respectives en provenance du chauffe-eau ou respectivement du réservoir d'eau doivent être mises à disposition à la température respectivement souhaitée.
  13. Support lisible par ordinateur, sur lequel sont enregistrées des instructions qui, quand elles sont exécutées par une unité de processeur d'un lave-vaisselle à translation, amènent le lave-vaisselle à translation à effectuer les étapes du procédé selon l'une des revendications 7 à 12.
EP16176366.9A 2012-12-12 2013-12-11 Lave-vaisselle et procédé de fonctionnement en économie d'énergie d'un lave-vaisselle Active EP3100664B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012024308.1A DE102012024308A1 (de) 2012-12-12 2012-12-12 Spülmaschine zum Betrieb in unterschiedlichen Niederspannungsnetzen und Verfahren zum energiesparenden Betrieb einer Spülmaschine
EP13817662.3A EP2931109B2 (fr) 2012-12-12 2013-12-11 Lave-vaisselle pouvant fonctionner dans des réseaux tension différents

Related Parent Applications (2)

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EP13817662.3A Division-Into EP2931109B2 (fr) 2012-12-12 2013-12-11 Lave-vaisselle pouvant fonctionner dans des réseaux tension différents
EP13817662.3A Division EP2931109B2 (fr) 2012-12-12 2013-12-11 Lave-vaisselle pouvant fonctionner dans des réseaux tension différents

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EP3100664A1 EP3100664A1 (fr) 2016-12-07
EP3100664B1 true EP3100664B1 (fr) 2018-03-14

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EP16176366.9A Active EP3100664B1 (fr) 2012-12-12 2013-12-11 Lave-vaisselle et procédé de fonctionnement en économie d'énergie d'un lave-vaisselle
EP13817662.3A Active EP2931109B2 (fr) 2012-12-12 2013-12-11 Lave-vaisselle pouvant fonctionner dans des réseaux tension différents

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EP (2) EP3100664B1 (fr)
DE (1) DE102012024308A1 (fr)
ES (2) ES2666577T3 (fr)
TR (1) TR201818770T4 (fr)
WO (1) WO2014090844A1 (fr)

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EP3095372B1 (fr) 2015-05-21 2017-09-27 Illinois Tool Works Inc. Lave-vaisselle à système de chauffage efficace
DE102017212229A1 (de) * 2017-07-18 2019-01-24 BSH Hausgeräte GmbH Haushaltsgerät mit zumindest einer beweglichen Tür oder Klappe
CN110179349B (zh) * 2019-06-25 2021-12-31 九阳股份有限公司 一种食品加工机的清洗方法
DE102019004677A1 (de) * 2019-07-08 2021-01-14 Stiebel Eltron Gmbh & Co. Kg Zentralheizungselement mit wenigstens einem Wärmepumpenmodul und wenigstens einer elektrischen Widerstansheizeinrichtung
CN117752269B (zh) * 2024-02-21 2024-05-03 深圳市凯度电器有限公司 一种洗碗机的工作状态自动控制方法及装置

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Also Published As

Publication number Publication date
EP2931109B1 (fr) 2018-11-21
TR201818770T4 (tr) 2019-01-21
ES2709876T3 (es) 2019-04-22
ES2709876T5 (es) 2024-12-10
ES2666577T3 (es) 2018-05-07
EP3100664A1 (fr) 2016-12-07
EP2931109B2 (fr) 2024-04-03
DE102012024308A1 (de) 2014-06-12
WO2014090844A1 (fr) 2014-06-19
EP2931109A1 (fr) 2015-10-21

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