WO2021218759A1 - 洗碗机的控制方法和控制装置 - Google Patents

洗碗机的控制方法和控制装置 Download PDF

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Publication number
WO2021218759A1
WO2021218759A1 PCT/CN2021/088881 CN2021088881W WO2021218759A1 WO 2021218759 A1 WO2021218759 A1 WO 2021218759A1 CN 2021088881 W CN2021088881 W CN 2021088881W WO 2021218759 A1 WO2021218759 A1 WO 2021218759A1
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WIPO (PCT)
Prior art keywords
water
washing
softening device
dishwasher
regeneration
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PCT/CN2021/088881
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English (en)
French (fr)
Inventor
黄隆重
徐伟
周静
黄海
许伟东
黄宁杰
Original Assignee
三花亚威科电器设备（芜湖）有限公司
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Priority to EP21797871.7A priority Critical patent/EP4144278A4/en
Publication of WO2021218759A1 publication Critical patent/WO2021218759A1/zh

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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
    • A47L15/0021—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
    • A47L15/0028—Washing phases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • 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
    • A47L15/4229—Water softening arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, e.g. turbidity
    • 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
    • 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
    • A47L2401/03—Operation mode, e.g. delicate washing, economy washing, reduced time, sterilizing, water softener regenerating, odor eliminating or service
    • 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
    • A47L2401/06—Water supply, circulation or discharge information
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/09—Water level
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/11—Water hardness, acidity or basicity
    • 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
    • A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/02—Water discharge, e.g. opening or closure of discharge valve
    • 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
    • A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
    • 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
    • A47L2501/18—Water softening 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
    • 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
    • A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit

Definitions

  • This application relates to the field of household appliances, and in particular to a control method and control device of a dishwasher.
  • the present application provides a method for controlling a dishwasher.
  • the dishwasher includes a water softening device.
  • the water softening device includes a plurality of first electrodes and a plurality of second electrodes stacked together.
  • the first electrode and the The second electrodes are arranged alternately; a channel through which water flows are formed between the first electrode and the adjacent second electrode, and the side of the first electrode facing the channel is provided with an adsorption layer for adsorbing target cations;
  • the control method includes the following steps:
  • the water softening device is in a regeneration working state, the first electrode is connected to positive electricity, and the second electrode is connected to negative electricity;
  • the water generated by the water softening device in the regeneration working state is controlled to be discharged through the drain pipe or flow into the water storage tank.
  • the present application also provides a control device for a dishwasher.
  • the dishwasher includes a water softening device.
  • the water softening device includes a plurality of first electrodes and a plurality of second electrodes stacked together.
  • the second electrodes are arranged alternately; a channel through which water flows are formed between the first electrode and the adjacent second electrode, and the side of the first electrode facing the channel is provided with an adsorption layer for adsorbing target cations ;
  • the control device includes:
  • the first control module is used to control the water generated by the water softening device in the regeneration working state to flow into the washing cavity of the dishwasher when it is determined that the washing stage of the dishwasher to be operated is the first washing stage that does not require heating of washing water Or control the water in the water storage tank to flow into the washing cavity of the dishwasher for the first washing stage; the water storage tank stores the water generated by the regeneration function of the water softening device;
  • the second control module is used to control the water produced by the water softening device in the regeneration working state to be discharged through the drain pipe when it is determined that the washing stage of the dishwasher to be operated is the second washing stage in which the washing water needs to be heated. Flow into the water storage tank;
  • the first electrode when the water softening device is in a regenerative working state, the first electrode is connected to positive electricity, and the second electrode is connected to negative electricity.
  • Figure 1 (a) is a flow chart of a method for controlling a dishwasher according to an exemplary embodiment of the present application
  • Fig. 1(b) is a flowchart of another method for controlling a dishwasher according to an exemplary embodiment of the present application
  • Fig. 1(c) is a flowchart of another method for controlling a dishwasher according to an exemplary embodiment of the present application
  • Fig. 2 is a flowchart of another method for controlling a dishwasher according to an exemplary embodiment of the present application
  • Fig. 3 is a flowchart of another method for controlling a dishwasher according to an exemplary embodiment of the present application
  • Fig. 4 is a flowchart of another method for controlling a dishwasher according to an exemplary embodiment of the present application.
  • Fig. 5 is a flowchart of another method for controlling a dishwasher according to an exemplary embodiment of the present application.
  • Fig. 6 is a flowchart of yet another method for controlling a dishwasher according to an exemplary embodiment of the present application.
  • Fig. 7(a) is a schematic structural diagram of a water softening device according to an exemplary embodiment of the present application.
  • Figure 7(b) is a cross-sectional view of the water softening device shown in Figure 7(a) from a perspective;
  • Fig. 8 is a schematic structural diagram of a control device for a dishwasher provided by an exemplary embodiment of the present application.
  • the control method of the dishwasher provided in the present application can be applied to a dishwasher with a capacitive deionization type water softening device.
  • the water softening device may include a first electrode and a second electrode with opposite polarities.
  • the water softening device operates a regeneration function by changing the polarity of the first electrode and the polarity of the second electrode to restore the water softening capacity of the water softening device .
  • the dishwasher is equipped with a control device, such as a control circuit board.
  • the control device is electrically connected with the water softening device, the washing device and other working components to control the operation of other devices or components.
  • the capacitive deionization type water softening device 300 includes a plurality of first electrode sheets 1 and a plurality of second electrode sheets 2, a plurality of first electrode sheets 1 and a plurality of second electrode sheets
  • the electrode sheets 2 are alternately arranged, and a channel through which water flows is formed between the adjacent first electrode sheet 1 and the second electrode sheet 2.
  • the channel can be realized by connecting the first electrode sheet 1 and the second electrode sheet 2 Insert an insulating filter, etc. between 2.
  • the insulating filter screen may be a material with a hole-like structure. After the first electrode sheet 1 and the second electrode sheet 2 are fixed together by a certain pressure, the insulating filter screen is filled between the first electrode sheet 1 and the second electrode sheet 2.
  • a channel for water to pass through between the first electrode sheet 1 and the second electrode sheet 2 is formed.
  • the first electrode sheet 1 and the second electrode sheet 2 can be thin graphite electrode sheets or other conductive materials.
  • the first electrode sheet 1 and the second electrode sheet 2 are respectively connected to the positive and negative electrodes of the power supply, so that the first electrode An electric field can be formed between the sheet 1 and the second electrode sheet 2.
  • the first electrode sheet 1 is provided with a first adsorption layer (not shown) for adsorbing target cations (such as calcium and magnesium ions in water, etc.), and the second electrode sheet 2 may be provided with a first adsorption layer (not shown) for adsorbing anions (such as water in water).
  • the second electrode sheet 2 may not be provided with an anion-specific adsorption layer (not shown).
  • the first electrode sheet 1 When the water softening device 300 is powered on, the first electrode sheet 1 is connected to the negative pole of the DC power supply, and the second electrode sheet 2 is connected to the positive pole of the DC power supply. At this time, when the water flows from the first electrode sheet 1 to the second electrode When the sheet 2 passes through the middle, the cations and anions in the water are adsorbed on the first adsorption layer and the second adsorption layer, respectively, so as to achieve the purpose of softening water.
  • the positive and negative directions of the power supply connected to the first electrode sheet 1 and the second electrode sheet 2 can be exchanged, that is, the direction of the first electrode sheet 1 and the DC power supply
  • the positive electrode is connected, and the second electrode sheet 2 is connected to the negative electrode of the DC power supply.
  • the cations adsorbed on the first adsorption layer are separated from the first adsorption layer under the action of the electric field, and the second adsorption layer adsorbs the cations Poor capacity, cations are not easily adsorbed on the second adsorption layer, so the cations return to the water to restore the adsorption capacity of the first adsorption layer.
  • the anions adsorbed on the second adsorption layer are removed from the second adsorption layer under the action of an electric field. The upper detachment restores the adsorption capacity of the second adsorption layer, thereby achieving the purpose of regeneration.
  • the method for controlling the dishwasher provided in the present application may include the following steps:
  • step S101 when it is determined that the washing stage of the dishwasher to be operated is the first washing stage that does not require heating of washing water, control the water generated by the water softening device in the regenerating state to flow into the washing cavity of the dishwasher or control The water in the water storage tank flows into the washing cavity of the dishwasher for the first washing stage.
  • the water storage tank stores the water generated by the water softening device operating the regeneration function.
  • step S102 when it is determined that the washing stage of the dishwasher to be operated is the second washing stage in which washing water needs to be heated, the water generated by the water softening device in the regeneration working state is controlled to be discharged through the drain pipe or flow into the The storage water tank.
  • the washing stage of the dishwasher may include one or a combination of a pre-washing stage, a main washing stage, and a rinsing stage.
  • the washing stage of a complete dishwashing process is only the main washing stage.
  • the washing phase of a complete dishwashing process includes the main washing phase and the rinsing phase in sequence.
  • the washing stage of a complete dishwashing process includes a pre-washing stage, a main washing stage, and a rinsing stage in sequence.
  • Some dishwashers also have a drying function after the above-mentioned washing process is completed.
  • Each washing stage of the dishwasher can use heated washing water or unheated washing water.
  • Detergent can be added or not added to each washing stage of the dishwasher.
  • the rinsing stage may specifically be a hot water rinsing stage in which hot water is used to wash the tableware or a cold water rinsing stage in which unheated water (such as tap water) is used to wash the tableware.
  • the washing stage of a dishwasher includes a pre-washing stage, a main washing stage, and a rinsing stage as an example for description.
  • unheated water such as tap water
  • the rinsing stage is a cold water rinsing stage in which unheated water (such as tap water) is used to wash the tableware.
  • brightener or rinse aid may be added during the rinsing phase to wash the dishes.
  • the first washing stage may include a pre-washing stage or a cold water rinsing stage.
  • the second washing stage may include a main washing stage.
  • the second washing stage may also include a hot water rinsing stage.
  • step S101 it is determined that the washing stage of the dishwasher to be operated is the first washing stage that does not require heating of washing water, which can be specifically realized by determining that the washing stage of the dishwasher is the pre-washing stage or the cold water rinsing stage, according to In the pre-washing stage or the cold water rinsing stage, non-heated water is used to wash the tableware, and it is judged that the washing stage to be operated does not need to heat the washing water. For example, when it is determined that the washing stage of the dishwasher to be operated is the prewash stage, the water generated by the water softening device in the regeneration working state is controlled to flow into the washing cavity of the dishwasher.
  • step S102 it is determined that the washing stage of the dishwasher to be operated is the second washing stage in which washing water needs to be heated, and the washing stage to be operated of the dishwasher may be specifically determined as the main washing stage or the hot water rinsing stage. According to the characteristics that hot water is needed to wash the tableware in the main washing stage or the hot water rinsing stage, it is judged that the washing stage to be operated needs to be heated for washing water. For example, when the washing stage of the dishwasher is determined to be the main washing stage, the water generated by the water softening device in the regenerative working state is controlled to flow into the drain pipe, not into the washing cavity, thereby reducing the tableware and dishwasher pipes Possibility of scale production at the place.
  • the water outlet of the water softening device and the washing chamber, and the water outlet of the water softening device and the drainage pipeline may be connected by pipes.
  • a valve can be set at the water inlet of the washing chamber and the water inlet of the drainage pipe, or in the pipeline or at the outlet of the water softening device, so that the water outlet and the water softening device can be controlled by controlling the opening and closing of the valve. The opening or closing of the pipeline between the washing chambers, and the opening or closing of the pipeline between the water outlet of the water softening device and the drainage pipeline are controlled.
  • the pipe between the water outlet of the water softening device and the washing chamber can be opened by the control valve, and the water outlet between the water softening device and the drain pipe can be closed
  • the pipe is used to realize the water generated by the water softening device in the regeneration working state to flow into the washing cavity of the dishwasher.
  • a similar method can also be used to achieve this, which will not be repeated here.
  • the water outlet of the water softening device, the washing chamber, and the drain pipe can be connected in series by pipes. That is, the water outlet of the water softening device is communicated with the drainage pipeline through the washing cavity.
  • Valves can be set at the water inlet of the washing cavity and the water inlet of the drainage pipe, or in the pipeline or at the outlet of the water softening device, so that the water outlet and washing cavity of the water softening device can be controlled by controlling the opening and closing of the valve The opening or closing between the water outlet, and the opening or closing of the pipe between the water outlet of the washing chamber and the drain pipe are controlled.
  • the pipe between the water outlet of the water softening device and the washing cavity can be opened through the control valve, and the water outlet of the washing cavity and the drain pipe can be closed
  • the pipe is used to realize the water generated by the water softening device in the regeneration working state to flow into the washing cavity of the dishwasher.
  • the pipe between the water outlet of the washing cavity and the drain pipe is opened, so that the water in the washing cavity of the dishwasher is discharged from the drain pipe.
  • a similar method can also be used to achieve this, and it will not be repeated here.
  • water storage tanks can be added to further save water resources.
  • the water outlet of the water softening device can be connected to the washing chamber of the dishwasher and the water inlet of the water storage tank through a three-way valve and other devices. That is, in some working conditions, the three-way valve is connected to the water softening The water outlet of the device and the washing chamber of the dishwasher, in other working conditions, the three-way valve connects the water outlet of the water softening device and the water inlet of the water storage tank.
  • the water outlet of the water storage tank can be connected to the washing chamber through an on-off valve member to control the conduction state.
  • the regeneration time of the water softening device can be more free.
  • the water softening device can also run the regeneration function, and the regenerated hard water Store in the water tank.
  • the water outlet flow rate of the water storage tank can be designed to be larger than that of the water softening device, so that the water outlet flow rate of the water storage tank can achieve a shorter water intake time of the dishwasher, which is beneficial to shorten the entire dishwashing time.
  • Fig. 1(a) is a flowchart of a method for controlling a dishwasher according to an exemplary embodiment of the present application. Please refer to Figure 1 (a), and combine Figure 1 (b), Figure 1 (c) and Figure 2 as necessary. Wherein, the same method steps in Fig. 1(a), Fig. 1(b), Fig. 1(c), and Fig. 2 all use the same reference numerals.
  • the control method of the dishwasher may include the following steps S11 and S12:
  • step S11 the water softening device is activated to operate the regeneration function.
  • step S12 it is determined whether the washing stage to be operated requires heating.
  • step S11 the water generated by starting the water softening device to operate the regeneration function can directly enter the washing cavity of the dishwasher in different application scenarios, or be replenished into the water storage tank, or discharged through the drain pipeline.
  • the dishwasher can determine whether the washing stage to be run needs to be heated. Specifically, it can be determined by determining whether the washing stage of the dishwasher to be operated is a prewash stage, a main wash stage, a cold water rinsing stage, or a hot water rinsing stage.
  • Step S12 may specifically include step S121.
  • step S121 it is determined whether the washing stage to be operated is the pre-washing stage.
  • step S11 can also be executed after step S12, which is not limited in this application, and can be set according to a specific application environment.
  • control method may include step S103.
  • step S103 it is determined whether the water volume in the washing chamber reaches the rated water volume.
  • control method further includes: detecting the amount of water in the washing chamber.
  • a water volume detection device can be provided in the washing chamber to detect the water volume in the washing chamber in real time, or to detect the water volume in the washing chamber at intervals of a preset time period.
  • a water inlet detection device can also be installed at the water inlet of the washing chamber to detect the amount of water entering the washing chamber at the current water inlet stage in real time or to detect the amount of water entering the washing chamber at the current water inlet stage at a preset time interval, and use the amount of water entering the washing chamber as The amount of water in the washing chamber.
  • the stage of injecting washing water into the washing chamber can be understood as the water inlet stage.
  • step S104 is executed. Otherwise, the water generated by the water softening device in the regenerative working state can be controlled to continue to flow into the washing cavity of the dishwasher.
  • step S104 the dishwasher is controlled to start the washing function.
  • step S1041 is executed: pre-washing is started, that is, the dishwasher is controlled to enter the first washing stage. Otherwise, the water generated by the water softening device in the regenerative working state can be controlled to continue to flow into the washing cavity of the dishwasher.
  • the pipe between the water outlet of the water softening device and the washing cavity may also be closed.
  • the regeneration function of the water softening device can be turned off. If the regeneration function is not completed, the pipe between the water outlet of the water softening device and the drainage pipe can be opened, and the water produced by the water softening device's continued operation of the regeneration function can be discharged through the drainage pipe.
  • the three-way valve can also be controlled to make the water outlet of the water softening device communicate with the water inlet of the water storage tank, and the water generated by the water softening device's continued operation of the regeneration function can flow into the water storage tank.
  • the control method includes step S105: determining whether the hardness value of the water produced by the water softening device that is currently in the regeneration working state is Less than the first hardness threshold.
  • the water hardness value is used to determine whether the regeneration function of the water softening device has been completed.
  • the range of the first hardness threshold is 0-11dh.
  • the specific value of the first hardness threshold can be set according to specific requirements of dishwasher products, etc., which is not limited in this application.
  • the water hardness values involved in this application all adopt the water hardness standards currently used in Germany.
  • control method may include: obtaining the hardness value of the regenerated water produced by the water softening device in the regeneration working state at the current moment.
  • a total dissolved solids value detector can be installed at the water outlet of the water softening device to detect the total dissolved solids value of the regenerated water generated at the water outlet of the water softening device at the current moment in real time. And according to the conversion relationship between the total dissolved solids value and the hardness value, the hardness value corresponding to the detected total dissolved solids value of the reclaimed water is calculated.
  • a conductivity meter can also be installed at the water outlet of the water softening device to detect in real time the conductivity value of the regenerated water produced at the water outlet of the water softening device at the current moment. Furthermore, according to the conversion relationship between the conductivity value and the hardness value, the hardness value corresponding to the detected conductivity value of the reclaimed water is calculated.
  • step S105 when it is determined in step S105 that the hardness value of the regenerated water is less than the first hardness threshold value, the water softening device is controlled to execute step S106. Otherwise, the water softening device can be controlled to continue to run the regeneration function.
  • the regenerated water generated by the continuous operation of the regeneration function of the water softening device can be continuously discharged through the drainage pipe or flow into the water storage tank.
  • step S106 the water softening device is controlled to end the operation of the regeneration function, that is, the operation of the regeneration function of the water softening device is stopped.
  • step S107 may be executed, that is, the water softening device is switched to run the softening function.
  • the water generated by the water softening device operating the softening function can be controlled to flow into the washing chamber for the second washing stage.
  • control method may include step S110: determining the water hardness of the water produced by the water softening device in the regeneration working state Whether the change value is less than the hardness change threshold.
  • the water hardness change value is used to determine whether the regeneration function of the water softening device has been completed.
  • the hardness change value of the water produced by the water softening device in the regeneration working state is less than the hardness change threshold, it can be understood that the water softening device produces very little change in the hardness of the hardened water during the subsequent regeneration process, and the water softening device The regeneration function of the water softening device has been completed, and the softening capacity of the water softening device has been restored.
  • the hardness change threshold can be set according to specific conditions, which is not limited in this application.
  • control method may include: acquiring the hardness change value of the water produced at the water outlet of the water softening device in the regeneration working state in a unit time period.
  • the interval length can be 1s, 3s, 5s, 8s, 10s, 12s, 15s...etc.
  • the interval length can be set according to the specific situation. Taking an interval of 10s as an example, the dishwasher will obtain the hardness value of the water produced at the water outlet of the water softening device in the regeneration working state every 10s. The ratio of the difference between the hardness values obtained two adjacent times and the interval duration of 10 s is taken as the hardness change value of the water produced by the water softening device in the regeneration working state.
  • the method of obtaining the hardness value of water can refer to the above-mentioned related description, which will not be repeated here.
  • step S106 is executed. Otherwise, the water softening device can be controlled to continue to run the regeneration function. Similarly, the water produced by the water softening device's continued operation of the regeneration function can continue to be discharged through the drain pipe or flow into the water storage tank.
  • control method may further include: determining whether the hardness value of the water generated at the water outlet of the water softening device is greater than a second hardness threshold when the water softening device is running a softening function, If so, it is determined that the water softening device needs to run the regeneration function, and the water softening device is controlled to run the regeneration function before the next washing stage after the washing stage corresponding to the running softening function is started.
  • control method may include the following steps S1001 and S1002.
  • step S1001 the hardness value of the water produced at the water outlet of the water softening device when the softening function is operated is detected.
  • the hardness value of the water produced when the water softening device runs the softening function can refer to the above-mentioned detection method for detecting the hardness value of the water.
  • the above-mentioned total dissolved solids value detector can be used to detect the water softening device running the softening function.
  • the hardness value of the water generated when the water softening device runs the softening function is determined according to the total dissolved solid matter value or the electrical conductivity value of the water. Not detailed here.
  • step S1002 it is determined whether the water hardness value generated when the water softening device runs the softening function is greater than the second hardness threshold value.
  • the hardness value of the water is used to determine whether the water generated by the softening function of the water softening device can meet the washing demand.
  • the acquired hardness value of the water produced by the water softening device running the softening function is greater than the second hardness threshold, it can be understood that the water produced by the water softening device running the softening function cannot meet the washing demand.
  • the range of the second hardness threshold is 8dh-11dh.
  • the specific value of the second hardness threshold can be set according to specific requirements of dishwasher products, etc., which is not limited in this application.
  • step S11 is executed before the start of the next washing stage after the washing stage corresponding to the softening function is executed in S1001, and the control station is controlled.
  • the water softening device in the dishwasher runs a regeneration function.
  • step S1001 and S1002 running before step S11 are the same washing stage, for example, the main washing stage that requires heating of washing water; step S11 can be started after the main washing stage ends, correspondingly, step S12 (S121 or S122) is determined to be waiting
  • the running washing stage can be understood as the next washing stage after the washing stage corresponding to the above-mentioned running softening function, such as the hot water rinsing stage.
  • step S13 may be executed: controlling the dishwasher before reaching the rated water volume
  • the water softening device continues to run the softening function.
  • the water generated by the water softening device running the softening function will flow into the washing cavity of the dishwasher.
  • the softening function can also be stopped.
  • FIGS. 3 to 6 are respectively different control methods of the dishwasher provided according to exemplary embodiments of the present application. It should be noted that in the control methods shown in FIGS. 3 to 6, the same method steps as those in FIG. 2 use the same reference numerals. For details, refer to the above-mentioned related descriptions. The differences are mainly explained below.
  • step S105 is used after step S102 to control the regeneration of the water softening device by determining whether the hardness value of the water generated by the water softening device running the regeneration function is less than the first hardness threshold.
  • step S110 is used after step S102 to control the continuation of the regeneration function of the water softening device by determining whether the change in hardness of the water generated by the regeneration function of the water softening device is less than the hardness change threshold. Or end.
  • the pre-washing stage of the dishwasher adopts cold water washing. Affected by the temperature of the washing water, washing with water produced by the regeneration function of the water softening device has little effect on the scale.
  • the relatively hard water produced by the regeneration function can be used for washing, avoiding the waste of water caused by draining from the drain pipe, so that the dishwasher can achieve the purpose of saving water, and other washing stages, such as the main washing stage and the hot rinsing stage
  • the water needs to be heated for washing, and hot water has a greater impact on the scale. Therefore, avoid the relatively hard water generated by the regeneration function from entering the washing chamber, and control the hard water generated by the regeneration function to drain from the drain pipe, thereby reducing
  • the effect of hard water on the formation of scale in the hot water washing stage improves the user experience.
  • step S12 of FIG. 2 specifically includes step S121: determining whether the washing stage to be operated is a prewashing stage, and FIG. 2
  • step S1041 is used after step S103 to indicate the start of a specific pre-wash function.
  • step S12 in FIG. 4 specifically includes step S122: determining whether the washing stage to be operated is the main washing stage.
  • the water generated by the water softening device in the regeneration working state is controlled to flow into the washing chamber of the dishwasher, and when the washing stage to be operated is determined to be the main washing stage , Controlling the water generated by the water softening device in the regeneration working state to be discharged through the drain pipe or flow into the water storage tank.
  • step S110 is used to control the continuation or termination of the regeneration function of the water softening device by determining whether the hardness change value of the water produced by the regeneration function of the water softening device is less than the hardness change threshold value, instead of using step S105 Method to control the continuation or termination of the regeneration function of the water softening device.
  • the main washing stage of the dishwasher is performed to heat the washing water.
  • the harder water produced by the water softening device running the regeneration function is easy to produce.
  • Scale therefore, avoids the relatively hard water produced by the regeneration function from entering the washing chamber, and can control the hard water generated by the regeneration function to drain from the drain pipe, thereby reducing the influence of hard water on the scale formation during the hot water washing stage and improving the user experience.
  • Other washing procedures such as pre-wash and cold rinsing stages, can be washed without heating the washing water. Therefore, the relatively hard water produced by the regeneration function can be used for washing to avoid waste of water caused by draining from the drainage pipe. So that the dishwasher achieves the purpose of saving water.
  • control method of the dishwasher shown in FIG. 6 The difference between the control method of the dishwasher shown in FIG. 6 and the control method of the dishwasher shown in FIG. 2 is that the control method of the dishwasher shown in FIG. 6 further includes step S1001 before step S11. And step S1002, and further include step S13 after step S1002.
  • the embodiment of the present application also provides a control device for a dishwasher, as shown in FIG. 8, including:
  • the first control module 100 is used to control the water generated by the water softening device in the regeneration working state to flow into the washing of the dishwasher when it is determined that the washing stage of the dishwasher to be operated is the first washing stage that does not require heating of washing water. Or control the water in the water storage tank to flow into the washing cavity of the dishwasher for the first washing stage; the water storage tank stores the water generated by the regeneration function of the water softening device;
  • the second control module 200 is used to control the water produced by the water softening device in the regeneration working state to be discharged through the drain pipe when it is determined that the washing stage of the dishwasher to be operated is the second washing stage in which the washing water needs to be heated Or flow into the water storage tank;
  • the water softening device includes a plurality of first electrodes and a plurality of second electrodes stacked together, the first electrodes and the second electrodes are arranged alternately and the two electrodes have opposite polarities; the first electrodes and A channel through which the water flow passes is formed between the adjacent second electrode.
  • One side of the two electrodes facing the channel is provided with an adsorption layer for adsorbing target cations; the water softening device changes the first The polarity of one electrode and the polarity of the second electrode realize the switching of softening function and regeneration function.
  • the embodiment of the present application also provides a non-transitory computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the method for controlling the dishwasher provided in the embodiment of the present application can be implemented.

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Abstract

一种洗碗机的控制方法包括：在确定洗碗机待运行的洗涤阶段不需要加热洗涤用水时，控制处于再生工作状态的水软化装置（300）所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔（S101）；在确定洗碗机待运行的洗涤阶段需要加热洗涤用水时，控制处于再生工作状态的水软化装置（300）所产生的水通过排水管路排出或者流入存水箱（S102）；水软化装置（300）包括堆叠在一起交替设置且极性相反的若干第一电极（1）和第二电极（2），相邻的第一电极（1）和第二电极（2）之间形成通过水流的通道，两个电极中的一个朝向通道的一侧设有吸附目标阳离子的吸附层，通过交换第一电极（1）和第二电极（2）的极性实现软化功能和再生功能的切换。

Description

洗碗机的控制方法和控制装置
本申请要求于2020年04月30日提交中国专利局、申请号为202010365510.4、发明名称为“洗碗机的控制方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及生活电器领域，尤其涉及一种洗碗机的控制方法和控制装置。
背景技术
相关技术中存在采用电极材料对水中钙镁等金属阳离子吸附从而实现软化水质的电容去离子型软水器，当软水器对金属阳离子的吸附能力饱和后，需要执行再生功能将吸附的钙镁等离子脱吸附至水中，从而恢复水软化装置的软化能力。在一些技术中该种软水器主要应用于专业的大型水处理设备，当洗碗机采用电容去离子软水器时，如何结合洗碗机的洗涤流程对电容去离子型的软水器的再生过程进行控制，从而合理利用水资源成为函待解决的问题。
发明内容
本申请提供一种洗碗机的控制方法，所述洗碗机包括水软化装置，所述水软化装置包括堆叠在一起的若干第一电极和若干第二电极，所述第一电极和所述第二电极交替设置；所述第一电极和与其相邻的第二电极之间形成供水流通过的通道，所述第一电极朝向所述通道的一侧设有用以吸附 目标阳离子的吸附层；所述控制方法包括如下步骤：
启动再生功能，所述水软化装置处于再生工作状态，所述第一电极接正向电，所述第二电极接负向电；
判断待运行的洗涤阶段是否需要加热；
若否，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔；
若是，控制处于再生工作状态的水软化装置所产生的水通过排水管路排出或者流入所述存水箱。
本申请还提供一种洗碗机的控制装置，所述洗碗机包括水软化装置，所述水软化装置包括堆叠在一起的若干第一电极和若干第二电极，所述第一电极和所述第二电极交替设置；所述第一电极和与其相邻的第二电极之间形成供水流通过的通道，所述第一电极朝向所述通道的一侧设有用以吸附目标阳离子的吸附层；所述控制装置包括：
第一控制模块，用于在确定洗碗机待运行的洗涤阶段为不需要加热洗涤用水的第一洗涤阶段时，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔，以用于第一洗涤阶段；所述存水箱中存储由所述水软化装置运行再生功能所产生的水；
第二控制模块，用于在确定洗碗机待运行的洗涤阶段为需要加热洗涤用水的第二洗涤阶段时，控制处于再生工作状态的所述水软化装置所产生的水通过排水管路排出或者流入所述存水箱；
其中，在所述水软化装置处于再生工作状态时，所述第一电极接正向 电，所述第二电极接负向电。
附图说明
图1(a)是根据本申请一示例型实施例提出的一种洗碗机的控制方法的流程图；
图1(b)是根据本申请一示例型实施例提出的另一种洗碗机的控制方法的流程图；
图1(c)是根据本申请一示例型实施例提出的另一种洗碗机的控制方法的流程图；
图2是根据本申请一示例型实施例提出的另一种洗碗机的控制方法的流程图；
图3是根据本申请一示例型实施例提出的另一种洗碗机的控制方法的流程图；
图4是根据本申请一示例型实施例提出的另一种洗碗机的控制方法的流程图；
图5是根据本申请一示例型实施例提出的另一种洗碗机的控制方法的流程图；
图6是根据本申请一示例型实施例提出的又一种洗碗机的控制方法的流程图；
图7(a)是根据本申请一示例型实施例提出的一种水软化装置的结构示意图；
图7(b)是图7(a)所示水软化装置的一个视角的剖视图；
图8是本申请一示例性实施例提出的一种洗碗机的控制装置的结构示 意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。
在本申请使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
应当理解，本申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个；类似的，“多个”等表示两个及两个以上的数量。
下面结合附图，对本申请示例型实施例进行详细说明。在不冲突的情况下，下述的实施例及实施方式中的特征可以相互补充或相互组合。
本申请提供的洗碗机的控制方法可应用于具有电容去离子型水软化装置的洗碗机。其中，水软化装置可包括极性相反的第一电极和第二电极，水软化装置通过变换第一电极的极性和第二电极的极性来运行再生功能，以恢复水软化装置的软水能力。洗碗机设有控制装置，比如控制电路板。控制装置与水软化装置、洗涤装置以及其他工作部件电连接，以控制其他装置或部件工作。
参考图7(a)和图7(b)，电容去离子型水软化装置300包括多个第一电极片1和多个第二电极片2，多个第一电极片1和多个第二电极片2交替设置，相邻的第一电极片1和第二电极片2之间形成有供水流通过的通道，具体的，该通道的实现可通过在第一电极片1与第二电极片2之间塞入绝缘滤网等。绝缘滤网可以为具有孔状结构的材料，当第一电极片1和第二电极片2通过一定的压力固定在一起后，绝缘滤网填充于第一电极片1和第二电极片2之间，从而形成用以供水从第一电极片1与第二电极片2的中间穿过的通道。
第一电极片1和第二电极片2可以为薄的石墨电极片，也可以是其他导电材料，第一电极片1和第二电极片2分别与电源的正负极相连，从而第一电极片1和第二电极片2之间能够形成电场。
所述第一电极片1设有用以吸附目标阳离子(如水中的钙镁离子等)的第一吸附层(未图示)，所述第二电极片2可以设有用以吸附阴离子(如水中的氯离子等)的第二吸附层(未图示)，当然，第二电极片2也可以不设置针对阴离子的吸附层。
当水软化装置300接通电源，第一电极片1与直流电源的负极相连接，第二电极片2与直流电源的正极相连接，此时，当水从第一电极片1与第二电极片2的中间穿过时，水中的阳离子与阴离子分别被吸附到第一吸附层与第二吸附层上，从而起到软水的目的。
当第一吸附层和第二吸附层的吸附能力饱和后，可以通过交换与第一电极片1和第二电极片2所连接的电源正负极方向，即第一电极片1与直流电源的正极相连接，第二电极片2与直流电源的负极相连接，此时，吸 附在第一吸附层上的阳离子在电场作用下从第一吸附层上脱离，并且第二吸附层对阳离子的吸附能力较差，阳离子不容易吸附在第二吸附层，因此阳离子又回到水中使得第一吸附层的吸附能力恢复，同理吸附在第二吸附层上的阴离子在电场作用下从第二吸附层上脱离，使得第二吸附层的吸附能力恢复，从而实现再生的目的。
本申请提供的洗碗机的控制方法可包括如下步骤：
在步骤S101中：在确定洗碗机待运行的洗涤阶段为不需要加热洗涤用水的第一洗涤阶段时，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔，以用于第一洗涤阶段。其中，存水箱中存储由水软化装置运行再生功能所产生的水。
在步骤S102中：在确定洗碗机待运行的洗涤阶段为需要加热洗涤用水的第二洗涤阶段时，控制处于再生工作状态的所述水软化装置所产生的水通过排水管路排出或者流入所述存水箱。
洗碗机的洗涤阶段可包括预洗阶段、主洗阶段和漂洗阶段中的一种或多种的组合。比如，在一些洗碗机产品中，一次完整的洗碗流程其洗涤阶段只有主洗阶段。在另一些洗碗机产品中，一次完整的洗碗流程其洗涤阶段包括依序进行的主洗阶段和漂洗阶段。在又一些洗碗机产品中，一次完整的洗碗流程其洗涤阶段包括依序进行的预洗阶段、主洗阶段及漂洗阶段。一些洗碗机在上述水洗过程结束后还带有烘干功能等。
洗碗机的各洗涤阶段可采用加热的洗涤用水，也可采用不加热的洗涤用水。洗碗机的各洗涤阶段可以添加洗涤剂，也可不添加洗涤剂。比如，漂洗阶段可具体为采用热水对餐具进行洗涤的热水漂洗阶段或采用不加热 的水(比如自来水)对餐具进行洗涤的冷水漂洗阶段。
本申请的一些实施例以洗碗机的洗涤阶段包括预洗阶段、主洗阶段及漂洗阶段为例进行说明。其中，在预洗阶段采用不加热的水(比如自来水)对餐具进行洗涤，在主洗阶段通过添加洗涤剂并采用热水洗涤的方式对餐具进行洗涤。漂洗阶段为采用不加热的水(比如自来水)对餐具进行洗涤的冷水漂洗阶段。在一些场景中，漂洗阶段可添加光亮剂或者亮碟剂以对餐具进行洗涤。相应地，第一洗涤阶段可包括预洗阶段或冷水漂洗阶段。第二洗涤阶段可包括主洗阶段。当然，在其他实施例中，若漂洗阶段采用热水漂洗的，第二洗涤阶段也可包括热水漂洗阶段。
在步骤S101中，确定洗碗机待运行的洗涤阶段为不需要加热洗涤用水的第一洗涤阶段，可具体通过确定洗碗机待运行的洗涤阶段为预洗阶段或冷水漂洗阶段来实现，根据预洗阶段或冷水漂洗阶段采用不加热的水对餐具进行洗涤的特点，判断出待运行的洗涤阶段不需要加热洗涤用水。比如，在确定洗碗机待运行的洗涤阶段为预洗阶段时，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔。
相应地，在步骤S102中，确定洗碗机待运行的洗涤阶段为需要加热洗涤用水的第二洗涤阶段，可具体通过确定洗碗机待运行的洗涤阶段为主洗阶段或热水漂洗阶段，根据主洗阶段或热水漂洗阶段需要采用热水对餐具进行洗涤的特点，判断出待运行的洗涤阶段需要加热洗涤用水。比如，确定洗碗机待运行的洗涤阶段为主洗阶段时，控制处于再生工作状态的水软化装置所产生的水流入排水管路，而不流入洗涤腔，从而降低餐具和洗碗机管路处水垢产生的可能性。
在一些实施例中，水软化装置的出水口与洗涤腔之间以及水软化装置的出水口与排水管路之间可通过管道连通。比如，可在洗涤腔的入水口处和排水管路的入水口处、或管道中或水软化装置的出水口处设置阀门，从而可通过控制阀门的开闭来控制水软化装置的出水口与洗涤腔之间管道的开通或者闭合，以及控制水软化装置的出水口与排水管路之间管道的开通或者闭合。相应地，在确定洗碗机待运行的洗涤阶段为预洗阶段时，可通过控制阀门开通水软化装置的出水口与洗涤腔之间管道并且闭合水软化装置的出水口与排水管路之间管道，来实现处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔。此外，对于水软化装置在运行软化功能所产生的水需要进入洗涤腔的，也可采用类似的方法实现，此处不予以赘述。
在另一些实施例中，水软化装置的出水口、洗涤腔以及排水管路三者可通过管道串接。即水软化装置的出水口通过洗涤腔与排水管路连通。可在洗涤腔的入水口处和排水管路的入水口处、或管道中或水软化装置的出水口处设置阀门，从而可通过控制阀门的开闭来控制水软化装置的出水口与洗涤腔之间的开通或者闭合，以及控制洗涤腔的出水口与排水管路之间管道的开通或者闭合。相应地，在确定洗碗机待运行的洗涤阶段为预洗阶段时，可通过控制阀门开通水软化装置的出水口与洗涤腔之间管道，并且闭合洗涤腔的出水口与排水管路之间管道，来实现处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔。排水时则开通洗涤腔的出水口与排水管路之间管道，从而实现洗碗机的洗涤腔内的水从排水管路排出。对于水软化装置在运行软化功能所产生的水需要进入洗涤腔的，也可采用 类似的方法实现，此处不予以赘述。
在一些实施例中，还可以通过增加存水箱，进一步节约水资源。具体的，水软化装置的出水口可以通过三通阀件等装置实现分别与洗碗机的洗涤腔连接以及与存水箱的进水口连接，即在一些工作状态下，三通阀件连通水软化装置的出水口与洗碗机的洗涤腔，在另外一些工作状态下，三通阀件连通水软化装置的出水口与存水箱的进水口。
存水箱的出水口可以与洗涤腔通过开关阀件控制导通状态。
并且，结合存水箱的存储再生水的功能，水软化装置的再生时间可以有更多的自由性，例如在洗碗机洗涤过程的中间，水软化装置也可以运行再生功能，并且将再生的硬水在存水箱内进行存储。
并且，存水箱的出水流量相比水软化装置可以设计的较大，从而存水箱的出水流量可以实现较短的洗碗机的进水时长，从而有利于缩短整个洗碗的时间。
图1(a)是根据本申请一示例型实施例提出的一种洗碗机的控制方法的流程图。请参照图1(a)，并在必要时结合图1(b)、图1(c)以及图2所示。其中，图1(a)、图1(b)、图1(c)以及图2中相同的方法步骤均采用相同的标号。在一些实施例中，洗碗机的控制方法在步骤S101之前，可包括如下步骤S11和S12：
在步骤S11中，启动水软化装置运行再生功能。
在步骤S12中，确定待运行的洗涤阶段是否需要加热。
步骤S11中启动水软化装置运行再生功能所产生的水在不同的应用场景中可以直接进入洗碗机的洗涤腔，或补充入存水箱，或通过排水管路排 出。
启动水软化装置运行再生功能之后，洗碗机可确定待运行的洗涤阶段是否需要加热。具体地，可通过确定洗碗机待运行的洗涤阶段为预洗阶段、主洗阶段、冷水漂洗阶段或热水漂洗阶段来确定。
比如，请结合图2所示，以确定待运行的洗涤阶段是否为预洗阶段为例。步骤S12可具体包括步骤S121。在步骤S121中，确定待运行的洗涤阶段是否是预洗阶段。
当然，在其他实施例中，步骤S11也可在步骤S12之后运行，本申请对此不做限定，可根据具体应用环境进行设置。
进一步，在步骤S101之后，所述控制方法可包括步骤S103。
在步骤S103中，确定洗涤腔内的水量是否达到额定水量。
在步骤S103之前，该控制方法还包括：检测所述洗涤腔内的水量。
具体可在洗涤腔内设置水量检测装置，以实时检测洗涤腔内的水量，或者间隔预设时间段检测洗涤腔内的水量。也可在洗涤腔入水口处设置进水量检测装置，实时检测当前进水阶段进入洗涤腔的水量或者间隔预设时间段检测当前进水阶段进入洗涤腔的水量，并将进入洗涤腔的水量作为洗涤腔内的水量。其中，洗碗机运行每一洗涤阶段之前，都需要先向洗涤腔注入本次洗涤阶段所需要的洗涤用水。这里向洗涤腔注入洗涤用水的阶段可理解为进水阶段。
在步骤S103中确定所述洗涤腔内的水量达到额定水量时，执行步骤S104。否则，可控制处于再生工作状态的所述水软化装置所产生的水继续流入洗碗机的洗涤腔。
在步骤S104中，控制洗碗机开始运行洗涤功能。
请继续结合图2所示，在确定所述洗涤腔内的水量达到额定水量时，执行步骤S1041：开始进行预洗，即控制所述洗碗机进入第一洗涤阶段。否则，可控制处于再生工作状态的所述水软化装置所产生的水继续流入洗碗机的洗涤腔。
需要说明的是，在洗涤腔内的水量达到额定水量时，除了执行步骤S104之外，还可关闭水软化装置的出水口与洗涤腔之间管道。此外，对于再生功能运行完成的，可关闭水软化装置的再生功能。对于再生功能没有运行完成的，可开通水软化装置的出水口与排水管路之间管道，将水软化装置继续运行再生功能所产生的水通过排水管路排出。当然，也可通过控制三通阀件使得水软化装置的出水口与存水箱的进水口之间连通，将水软化装置继续运行再生功能所产生的水流入存水箱。
进一步，请结合图1(b)所示，在一些实施例中，在步骤S102之后，所述控制方法包括步骤S105：确定当前时刻处于再生工作状态的水软化装置所产生的水的硬度值是否小于第一硬度阈值。
本实施例通过水的硬度值来确定水软化装置的再生功能是否已经完成。处于再生工作状态的水软化装置所产生的水的硬度值小于第一硬度阈值时，可理解为该水软化装置的再生功能已经完成，该水软化装置的软化能力已经恢复完成。一些实施方式中，第一硬度阈值的范围为0～11dh。第一硬度阈值的具体数值可根据具体的洗碗机产品要求等进行设置，本申请对此不做限定。此外，在一些实施方式中，本申请所涉及的水的硬度值均采用目前德国所用的水硬度标准。
相应地，在步骤S105之前，所述控制方法可包括：获取当前时刻处于再生工作状态的水软化装置所产生的再生水的硬度值。
具体的，可在水软化装置的出水口处设置总溶解性固体物质值检测仪，实时检测当前时刻水软化装置出水口处所产生的再生水的总溶解性固体物质值。并根据总溶解性固体物质值与硬度值的换算关系，计算出所检测到的所述再生水的总溶解性固体物质值所对应的硬度值。
当然，也可在水软化装置的出水口处设置电导率仪，实时检测当前时刻水软化装置出水口处所产生的再生水的电导率值。进而根据电导率值与硬度值的换算关系，计算出所检测到的所述再生水的电导率值所对应的硬度值。
进而，在步骤S105中确定所述再生水的硬度值小于第一硬度阈值时，控制所述水软化装置执行步骤S106。否则，可控制所述水软化装置继续运行再生功能。水软化装置继续运行再生功能所产生的再生水可通过排水管路继续排出或流入存水箱中。
在步骤S106中，控制所述水软化装置结束运行再生功能，即停止水软化装置再生功能的运行。
在结束水软化装置的再生功能之后，还可执行步骤S107，即将所述水软化装置切换为运行软化功能。
并且，可控制运行软化功能的水软化装置所产生的水流入所述洗涤腔，以用于第二洗涤阶段。
进一步的，请结合图1(c)所示，在另一些实施例中，在步骤S102之后，该控制方法可包括步骤S110：确定处于再生工作状态的水软化装置 所产生的水的水的硬度变化值是否小于硬度变化阈值。
本实施例通过水的硬度变化值来确定水软化装置的再生功能是否已经完成。处于再生工作状态的水软化装置所产生的水的硬度变化值小于硬度变化阈值时，可理解为该水软化装置在后续的再生过程中，所产生的硬化水硬度变化极小，该水软化装置的再生功能已经完成，该水软化装置的软化能力已经恢复完成。该硬度变化阈值可根据具体情况进行设置，本申请对此不做限定。
相应地，在步骤S110之前，所述控制方法可包括：获取单位时长内所述处于再生工作状态的水软化装置其出水口处所产生的水的硬度变化值。
这里可以根据预先设定的间隔时长的硬度变化值与间隔时长的比值来确定。间隔时长可以是1s，3s，5s，8s，10s，12s，15s……等。该间隔时长可根据具体情况进行设置。以间隔时长为10s为例，洗碗机每间隔10s会获取一次处于再生工作状态的水软化装置其出水口处所产生的水的硬度值。并将相邻两次所获取的硬度值的差值与该间隔时长10s的比值作为该处于再生工作状态的水软化装置所产生的水的硬度变化值。其中，水的硬度值的获取方式，可参考上述相关描述，此处不予以赘述。
进而，在步骤S110中确定单位时长内所述处于再生工作状态的水软化装置所产生的水的硬度变化值小于硬度变化阈值时，执行步骤S106。否则，可控制所述水软化装置继续运行再生功能。同样，水软化装置继续运行再生功能所产生的水可通过排水管路继续排出或流入存水箱。
进一步，在一些实施例中，所述控制方法还可包括：通过在所述水软化装置运行软化功能时，判断所述水软化装置出水口处所产生的水的硬度 值是否大于第二硬度阈值，若是，则确定所述水软化装置需运行再生功能，以及控制所述水软化装置在运行软化功能所对应的洗涤阶段之后的下一洗涤阶段启动前运行再生功能。
具体地，在一些实施例中，在步骤S11之前，所述控制方法可包括如下步骤S1001和步骤S1002。
在步骤S1001中，检测水软化装置运行软化功能时其出水口处所产生的水的硬度值。
该水软化装置运行软化功能时所产生的水的硬度值可参照上述检测水的硬度值的检测方式，比如，可以采用上述总溶解性固体物质值检测仪来检测运行软化功能的水软化装置其出水口处所产生的水的总溶解性固体物质值，或采用上述电导率仪来检测运行软化功能的水软化装置其出水口处所产生的水的电导率值。进而根据水的总溶解性固体物质值或电导率值来确定该水软化装置运行软化功能时所产生的水的硬度值。此处不予详述。
在步骤S1002中，确定该水软化装置运行软化功能时所产生的水硬度值是否大于第二硬度阈值。
本实施例通过水的硬度值来确定水软化装置运行软化功能所产生的水是否能满足洗涤需求。当获取的水软化装置运行软化功能时所产生的水的硬度值大于第二硬度阈值时，可理解为该水软化装置运行软化功能所产生的水无法满足洗涤需求。可选的，所述第二硬度阈值的范围为8dh～11dh。第二硬度阈值的具体数值可根据具体的洗碗机产品要求等进行设置，本申请对此不做限定。
在确定所述水软化装置运行软化功能时所产生的水的硬度值大于第二 硬度阈值时，则在S1001即执行软化功能对应的洗涤阶段之后的下一洗涤阶段启动前执行步骤S11，控制所述洗碗机中水软化装置运行再生功能。
步骤S11之前运行的S1001和S1002为同一洗涤阶段，例如需要加热洗涤用水的主洗阶段；步骤S11可以在主洗阶段结束后启动运行，相应地，步骤S12(S121或S122)，其确定的待运行洗涤阶段可以理解为上述运行软化功能所对应的洗涤阶段之后的下一洗涤阶段，例如热水漂洗阶段。
需要说明的是，在确定所述水软化装置运行软化功能时所产生的水的硬度值小于或等于第二硬度阈值时，可执行步骤S13：在未达到额定水量之前控制所述洗碗机中水软化装置继续运行软化功能。该运行软化功能的水软化装置产生的水会流入洗碗机的洗涤腔。当然，对于水软化装置运行软化功能时所产生的水能够满足本次洗涤阶段所需要的洗涤用水的，也可停止运行软化功能。
此外，图3至图6分别为根据本申请示例型实施例提供的洗碗机的不同控制方法。需要说明的是图3至图6中所示的控制方法中，与图2中相同的方法步骤均采用相同的标号，具体可参照上述相关描述。下面主要说明不同之处。
如图3所示的洗碗机的控制方法，与图2所示的控制方法一样，均以确定待运行的洗涤阶段是否为预洗阶段为例。不同的是，图2所示的控制方法中，在步骤S102之后采用步骤S105，通过确定水软化装置运行再生功能所产生的水的硬度值是否小于第一硬度阈值，来控制水软化装置的再生功能的继续或结束。而图3所示的控制方法中，在步骤S102之后采用步骤S110，通过确定水软化装置运行再生功能所产生的水的硬度变化值是否 小于硬度变化阈值，来控制水软化装置的再生功能的继续或结束。
图2和图3所示意的实施方式中，洗碗机的预洗阶段采用冷水洗涤，受洗涤用水的水温影响，采用水软化装置运行再生功能所产生的水进行洗涤对水垢产生影响不大，可以利用再生功能产生的硬度相对较大的水进行洗涤，避免从排水管路排出造成水的浪费，从而使得洗碗机达到节省水量的目的，而其他洗涤阶段，如主洗阶段、热漂洗阶段需要对用水进行加热洗涤，而热水对水垢产生影响较大，因此，避免再生功能产生的硬度相对较大的水进入洗涤腔，可控制再生功能产生的硬水从排水管路排走，从而降低硬水对热水洗涤阶段水垢生成的影响，提升用户体验。
如图4所示的洗碗机的控制方法，与图2所示的控制方法不同的是，图2的步骤S12具体包括步骤S121：确定待运行的洗涤阶段是否为预洗阶段，且图2所示的控制方法中，在步骤S103之后采用步骤S1041示意出开始运行具体的预洗功能。而图4的步骤S12具体包括步骤S122：确定待运行的洗涤阶段是否为主洗阶段。相应地，在确定待运行的洗涤阶段不是主洗阶段时，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔，而在确定待运行的洗涤阶段为主洗阶段时，控制处于再生工作状态的所述水软化装置所产生的水通过排水管路排出或流入存水箱。
图5所示的洗碗机的控制方法与图2所示的洗碗机的控制方法的不同之处，除了具有图4与图2的不同之外，还包括图3所示的控制方法中，在步骤S102之后采用步骤S110，通过确定水软化装置运行再生功能所产生的水的硬度变化值是否小于硬度变化阈值，来控制水软化装置的再生功能的继续或结束，而非采用步骤S105的方法来控制水软化装置的再生功能 的继续或结束。
图4和图5所示意的实施方式中，洗碗机的主洗阶段执行加热洗涤用水，受洗涤用水的水温影响，采用水软化装置运行再生功能所产生的硬度较大的水进行洗涤容易产生水垢，因此，避免再生功能产生的硬度相对较大的水进入洗涤腔，可控制再生功能产生的硬水从排水管路排走，从而降低硬水对热水洗涤阶段水垢生成的影响，提升用户体验。而其他洗涤程序，如预洗和冷漂洗阶段可采用不加热洗涤用水的方式进行洗涤，因此可以利用再生功能产生的硬度相对较大的水进行洗涤，避免从排水管路排出造成水的浪费，从而使得洗碗机达到节省水量的目的。
图6所示的洗碗机的控制方法与图2所示的洗碗机的控制方法的不同之处在于，图6所示的洗碗机的控制方法中，在步骤S11之前还包括步骤S1001和步骤S1002，并且在步骤S1002之后还可包括步骤S13。
上述图3至图6中与图2(以及与图1(a)、图1(b)、图1(c))相同标号所示的方法步骤，可参照上述相关描述，这里不予以赘述。
本申请的实施例还提供了一种洗碗机的控制装置，如图8所示，包括：
第一控制模块100，用于在确定洗碗机待运行的洗涤阶段为不需要加热洗涤用水的第一洗涤阶段时，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔，以用于第一洗涤阶段；所述存水箱中存储由所述水软化装置运行再生功能所产生的水；
第二控制模块200，用于在确定洗碗机待运行的洗涤阶段为需要加热洗涤用水的第二洗涤阶段时，控制处于再生工作状态的所述水软化装置所 产生的水通过排水管路排出或者流入所述存水箱；
其中，所述水软化装置包括堆叠在一起的若干第一电极和若干第二电极，所述第一电极和所述第二电极交替设置且该两个电极极性相反；所述第一电极和与其相邻的第二电极之间形成供水流通过的通道，该两个电极中的一个朝向所述通道的一侧设有用以吸附目标阳离子的吸附层；所述水软化装置通过变换所述第一电极的极性和所述第二电极的极性实现软化功能和再生功能的切换。
本申请实施例还提供一种非临时性计算机可读存储介质，其上存储有计算机程序，上述计算机程序被处理器执行时可以实现本申请实施例提供的洗碗机的控制方法。

Claims (12)

  1. 一种洗碗机的控制方法，其特征在于，所述洗碗机包括水软化装置，所述水软化装置包括堆叠在一起的若干第一电极和若干第二电极，所述第一电极和所述第二电极交替设置；所述第一电极和与其相邻的第二电极之间形成供水流通过的通道，所述第一电极朝向所述通道的一侧设有用以吸附目标阳离子的吸附层；所述控制方法包括如下步骤：
    启动再生功能，所述水软化装置处于再生工作状态，所述第一电极接正向电，所述第二电极接负向电；
    判断待运行的洗涤阶段是否需要加热；
    若否，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔；
    若是，控制处于再生工作状态的水软化装置所产生的水通过排水管路排出或者流入所述存水箱。
  2. 如权利要求1所述的控制方法，其特征在于，控制处于再生工作状态的所述水软化装置所产生的水通过排水管路排出或者流入所述存水箱后，所述控制方法包括：
    获取当前时刻处于再生工作状态的水软化装置所产生的水的硬度值；
    在该硬度值小于第一硬度阈值时，控制所述水软化装置停止运行再生功能。
  3. 如权利要求2所述的控制方法，其特征在于，所述获取当前时刻处于再生工作状态的水软化装置所产生的水的硬度值包括：
    检测当前时刻处于再生工作状态的水软化装置其出水口处所产生的水 的总溶解性固体物质值；根据总溶解性固体物质值与硬度值的换算关系，计算出所述处于再生工作状态的水软化装置其出水口处所产生的水的总溶解性固体物质值所对应的硬度值。
  4. 如权利要求2所述的控制方法，其特征在于，检测当前时刻处于再生工作状态的水软化装置其出水口处所产生的水的电导率值；根据电导率值与硬度值的换算关系，计算出所述处于再生工作状态的水软化装置其出水口处所产生的水的电导率值所对应的硬度值。
  5. 如权利要求2所述的控制方法，其特征在于，所述第一硬度阈值的范围为0～11dh。
  6. 如权利要求1所述的控制方法，其特征在于，控制处于再生工作状态的所述水软化装置所产生的水通过排水管路排出或者流入所述存水箱后，所述控制方法包括：
    获取单位时长内处于再生工作状态的水软化装置其出水口处所产生的水的硬度变化值；
    在确定单位时长内该硬度变化值小于硬度变化阈值时，控制所述水软化装置停止运行再生功能。
  7. 如权利要求1至6任一所述的控制方法，其特征在于，在确定洗碗机待运行的洗涤阶段为不需要加热洗涤用水的第一洗涤阶段时，控制处于再生工作状态的所述水软化装置所产生的水流入洗碗机的洗涤腔之后，所述控制方法包括：
    检测所述洗涤腔内的水量；
    在确定所述洗涤腔内的水量达到额定水量时，控制所述洗碗机进入第 一洗涤阶段；否则，控制处于再生工作状态的所述水软化装置所产生的水继续流入洗碗机的洗涤腔。
  8. 如权利要求1至6任一所述的控制方法，其特征在于，所述洗涤阶段包括不需要加热洗涤用水的第一洗涤阶段和需要加热洗涤用水的第二洗涤阶段，所述第一洗涤阶段包括预洗阶段或冷水漂洗阶段；所述第二洗涤阶段包括主洗阶段或热水漂洗阶段。
  9. 如权利要求1所述的控制方法，其特征在于，所述控制方法还包括：通过在所述水软化装置运行软化功能时，判断所述水软化装置出水口处所产生的水的硬度值是否大于第二硬度阈值，若是，则确定所述水软化装置需运行再生功能，以及控制所述水软化装置在运行软化功能所对应的洗涤阶段之后的下一洗涤阶段启动前运行再生功能。
  10. 如权利要求9所述的控制方法，其特征在于，所述第二硬度阈值的范围为8dh～11dh。
  11. 如权利要求2或6所述的控制方法，其特征在于，在控制所述水软化装置停止运行再生功能之后，所述方法还包括：
    将所述水软化装置切换为运行软化功能；
    控制运行软化功能的水软化装置所产生的水流入所述洗涤腔，以用于需要加热洗涤用水的第二洗涤阶段。
  12. 一种洗碗机的控制装置，所述洗碗机包括水软化装置，所述水软化装置包括堆叠在一起的若干第一电极和若干第二电极，所述第一电极和所述第二电极交替设置；所述第一电极和与其相邻的第二电极之间形成供水流通过的通道，所述第一电极朝向所述通道的一侧设有用以吸附目标阳离 子的吸附层；所述控制装置包括：
    第一控制模块，用于在确定洗碗机待运行的洗涤阶段为不需要加热洗涤用水的第一洗涤阶段时，控制处于再生工作状态的水软化装置所产生的水流入洗碗机的洗涤腔或者控制存水箱中的水流入洗碗机的洗涤腔，以用于第一洗涤阶段；所述存水箱中存储由所述水软化装置运行再生功能所产生的水；
    第二控制模块，用于在确定洗碗机待运行的洗涤阶段为需要加热洗涤用水的第二洗涤阶段时，控制处于再生工作状态的所述水软化装置所产生的水通过排水管路排出或者流入所述存水箱；
    其中，在所述水软化装置处于再生工作状态时，所述第一电极接正向电，所述第二电极接负向电。
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