WO2024078083A1 - 控制洗碗机的方法、设备和存储介质 - Google Patents

控制洗碗机的方法、设备和存储介质 Download PDF

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Publication number
WO2024078083A1
WO2024078083A1 PCT/CN2023/108107 CN2023108107W WO2024078083A1 WO 2024078083 A1 WO2024078083 A1 WO 2024078083A1 CN 2023108107 W CN2023108107 W CN 2023108107W WO 2024078083 A1 WO2024078083 A1 WO 2024078083A1
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WO
WIPO (PCT)
Prior art keywords
water
washing water
washing
heat exchanger
phase change
Prior art date
Application number
PCT/CN2023/108107
Other languages
English (en)
French (fr)
Inventor
王文鹏
Original Assignee
广东美的白色家电技术创新中心有限公司
美的集团股份有限公司
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Application filed by 广东美的白色家电技术创新中心有限公司, 美的集团股份有限公司 filed Critical 广东美的白色家电技术创新中心有限公司
Publication of WO2024078083A1 publication Critical patent/WO2024078083A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0028—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
    • A47L15/0018—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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4287—Temperature measuring or regulating arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present application relates to the technical field of dishwashers, and in particular to a method, device and storage medium for controlling a dishwasher.
  • heat pump system has received widespread attention as a new heating technology. Due to its characteristics of recovering low-temperature waste heat and saving energy, heat pump system has been widely used in many terminal devices, such as dishwashers.
  • a heat pump system usually includes components such as a compressor, a condenser, and an evaporator.
  • the compressor, condenser, and evaporator are interconnected.
  • the compressor sucks in low-temperature, low-pressure gas from the evaporator and delivers high-temperature, high-pressure gas to the condenser.
  • the high-temperature, high-pressure gas condenses into liquid at the condenser and releases heat to the outside to heat the washing water for washing dishes in the dishwasher.
  • the condensed liquid flows into the evaporator and absorbs heat at the evaporator to evaporate and form low-temperature, low-pressure gas.
  • phase change materials have the characteristics of large thermal conductivity, large specific heat capacity, and the ability to store or release more heat
  • phase change materials are usually used as heat exchange media. After releasing heat, phase change materials usually change from liquid to solid.
  • auxiliary heat exchangers are usually set to heat phase change materials.
  • the embodiment of the present application provides a method, device and storage medium for controlling a dishwasher, which can ensure the normal use of a dishwasher that uses phase change materials as a heat exchange medium in the related art.
  • the technical solution is as follows:
  • the present application provides a method for controlling a dishwasher, the method comprising:
  • the wash water in the water tank is injected into the auxiliary heat exchanger to heat the phase change material in the phase change heat exchanger;
  • injecting the washing water in the water tank into the auxiliary heat exchanger includes:
  • injection amount is equal to a preset injection amount threshold, injection of the wash water into the auxiliary heat exchanger is stopped, and the remaining wash water in the water tank is drained.
  • washing the dishes in the dishwasher includes:
  • the circulating water pump is controlled to operate
  • the circulating water pump is controlled to stop running.
  • the method further includes:
  • the circulating water pump is controlled to operate so that the washing water circulates in the circulating water pump and the auxiliary heat exchanger until the phase change material heating end condition is met.
  • the method before injecting the washing water into the water tank, the method further includes:
  • the washing water is injected into the water tank.
  • controlling the circulating water pump to operate includes:
  • the circulating water pump is controlled to operate.
  • controlling the compressor to operate to heat the washing water includes:
  • the compressor When the pressure value is greater than or equal to a preset pressure threshold, the compressor is controlled to operate, and injection of the washing water into the water tank is stopped.
  • controlling the compressor to stop running includes:
  • the compressor stops running.
  • controlling the circulating water pump to stop running includes:
  • the circulating water pump is controlled to stop running.
  • discharging the washing water in the auxiliary heat exchanger includes:
  • the washing water in the auxiliary heat exchanger is discharged.
  • discharging the washing water in the auxiliary heat exchanger includes:
  • the washing water in the auxiliary heat exchanger is discharged.
  • the present application provides a computer device, comprising a processor and a memory, wherein the memory stores at least one instruction, and the at least one instruction is loaded and executed by the processor to implement the operations performed by the method for controlling a dishwasher as described in any one of the first aspect and possible implementations thereof.
  • the present application provides a computer device, wherein the storage medium stores at least one instruction, and the at least one instruction is loaded and executed by a processor to implement the operations performed by the method for controlling a dishwasher as described in any one of the first aspect and possible implementations thereof.
  • the washing water in the sink can be injected into the auxiliary heat exchanger, and the washing water with residual temperature can be used to heat the phase change material in the phase change heat exchanger.
  • the washing water in the auxiliary heat exchanger can be discharged to stop heating the phase change material in the phase change heat exchanger.
  • this solution can be adopted to achieve the normal operation of the dishwasher.
  • the washing water with residual heat is used to provide heat for the regeneration of the phase change material, which is conducive to the recycling of heat and reduces energy consumption.
  • FIG1 is a schematic structural diagram of a dishwasher provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of the structure of a heat pump system provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a partial structure of a dishwasher provided in an embodiment of the present application.
  • FIG4 is a schematic diagram of the structure of a controller provided in an embodiment of the present application.
  • FIG5 is a flow chart of a method for controlling a dishwasher provided by an embodiment of the present application.
  • FIG6 is a flow chart of a method for controlling a dishwasher provided by an embodiment of the present application.
  • FIG7 is a flow chart of a method for controlling a dishwasher provided by an embodiment of the present application.
  • FIG8 is a schematic diagram of the structure of a computer device provided in an embodiment of the present application.
  • Words such as "connect” or “connected” and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up”, “down”, “left”, “right” and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
  • FIG1 is a schematic diagram of the structure of a dishwasher provided in an embodiment of the present application
  • FIG2 is a schematic diagram of the structure of a heat pump system provided in an embodiment of the present application
  • FIG3 is a schematic diagram of a partial structure of a dishwasher provided in an embodiment of the present application.
  • the dishwasher includes a controller, a heat pump system, and a water circulation system.
  • the heat pump system includes a compressor, an evaporator, a condenser, a phase change heat exchanger, an auxiliary heat exchanger, and a micro-drain pump.
  • the water circulation system includes a water tank, a heat exchange box, a circulation system, and a heat exchanger. Ring water pump, spray arm and drain pump.
  • the compressor, evaporator and condenser are interconnected.
  • the compressor has an air intake port and an air exhaust port
  • the evaporator has a first interface and a second interface
  • the condenser has a third interface and a fourth interface.
  • the air intake port of the compressor is connected to the first interface of the evaporator
  • the air exhaust port of the compressor is connected to the fourth interface of the condenser
  • the second interface of the evaporator is connected to the third interface of the condenser.
  • the phase change heat pump system may further include a throttle valve, which is respectively connected to the evaporator and the condenser, that is, the two ends of the throttle valve are respectively connected to the second interface of the evaporator and the third interface of the condenser, and the throttle valve is used to control the flow rate of the medium flowing from the evaporator to the condenser.
  • a throttle valve which is respectively connected to the evaporator and the condenser, that is, the two ends of the throttle valve are respectively connected to the second interface of the evaporator and the third interface of the condenser, and the throttle valve is used to control the flow rate of the medium flowing from the evaporator to the condenser.
  • the phase change heat exchanger includes a first housing and a phase change material, the phase change material is filled in the first housing, and the phase change heat exchanger is used to perform heat exchange with the evaporator.
  • the evaporator is located in the first housing, a first spacing space is formed between the evaporator and the inner wall of the first housing, the phase change material is located in the first spacing space, and at least part of the evaporator is immersed in the phase change material.
  • phase change materials can be solid-liquid phase change energy storage materials.
  • phase change material changes from liquid to solid, it releases heat to the outside to play the role of heat preservation and heating.
  • phase change material changes from solid to liquid, it absorbs external heat to play the role of cooling and heat storage.
  • the phase change material may be an inorganic phase change material.
  • the phase change material may be sodium sulfate, such as sodium sulfate hydrate with an anti-phase separation agent added, etc.; the phase change material may be sodium acetate, such as sodium acetate trihydrate with an anti-phase separation agent added, etc.; the phase change material may be calcium chloride, such as calcium chloride hydrate, etc.; the phase change material may be phosphate, such as disodium hydrogen phosphate dodecahydrate, etc.
  • phase change material may also be an organic phase change material, such as paraffin or fatty acid.
  • the auxiliary heat exchanger may include a second box and a heat medium, the heat medium is filled in the second box, and the auxiliary heat exchanger is thermally connected to the phase change heat exchanger, and the thermal connection here can also be called thermal coupling, indicating that heat exchange can be performed between the auxiliary heat exchanger and the phase change heat exchanger to heat the phase change material in the phase change heat exchanger.
  • the first box is located in the second box, and a second spacing space is formed between the inner walls of the first box and the second box, the heat medium is located in the second spacing space, and at least part of the first box is immersed in the heat medium.
  • the micro drainage pump is connected to the second tank body and is used to discharge the heat medium in the second tank body.
  • the water tank is connected to the heat exchange box through a one-way valve, and the heat exchange box is connected to the circulating water pump.
  • the circulating water pump is connected to the spray arm through a one-way valve.
  • the water tank has a water inlet for conveying water (hereinafter referred to as washing water) from the outside to the water tank.
  • washing water water
  • the circulating water pump is in the first working state
  • the water tank is connected to the heat exchange box, and the circulating water pump is connected to the spray arm through the one-way valve.
  • the washing water flows from the water tank through the heat exchange box, the circulating water pump and the spray arm in sequence, and is sprayed out by the spray arm.
  • the tableware is washed in the receiving box where the tableware to be washed is placed, and then flows back to the water tank.
  • the drainage pumps are respectively connected to the water tanks, and the drainage pumps are used to discharge the washing water in the water tanks.
  • the condenser is located in the heat exchange box, and at least part of the condenser is immersed in the washing water in the heat exchange box.
  • the condenser is used to heat the washing water in the heat exchange box.
  • the second housing can be connected to the water tank, that is, the second housing and the water tank can be switched between a connected state and a disconnected state.
  • the second housing and the water tank are connected via a one-way valve, and the one-way valve can adjust the on-off relationship between the second housing and the water tank.
  • the washing water in the water tank will be injected into the second housing as a heat medium, that is, the washing water in the water tank will be injected into the auxiliary heat exchanger.
  • the second housing may have a first circulation port and a second circulation port
  • the circulating water pump may have a heat medium extraction port and a heat medium discharge port.
  • the first circulation port is connected to the heat medium extraction port via a one-way valve
  • the second circulation port is connected to the heat medium discharge port via a second one-way valve.
  • the drain pump has one water inlet and two water outlets, the water inlet is connected to the water tank, one water outlet is connected to the second box, and the other water outlet is connected to the drainage pipe.
  • the washing water sprayed by the spray arm flows back to the water tank and needs to be drained, the washing water to be drained enters the drain pump through the water inlet, and the washing water entering the drain pump can flow into the second box through one water outlet, and at the same time flow into the drainage pipe through the other water outlet to be discharged to the outside.
  • the embodiment of the present application provides a method for controlling a dishwasher, which is applied to the above-mentioned dishwasher, and the execution subject of the method is a controller of the dishwasher.
  • the controller can be electrically connected to the water tank, the circulating water pump, the spray arm, the first box (i.e., the phase change heat exchanger), the second box (i.e., the auxiliary heat exchanger), the micro water pump, and various one-way valves and other components, and is used to control the working state of the above-mentioned various components to execute the method for controlling the dishwasher provided in the embodiment of the present application.
  • the controller may include a processor 410 , a memory 420 , a communication component 430 , a display component 440 , and the like.
  • the processor 410 may be a CPU (Central Processing Unit) or a SoC (System on Chip), etc.
  • the processor 410 may be used to obtain the injection amount of the washing water in the auxiliary heat exchanger, to determine the total amount of the washing water injected into the water tank, and so on.
  • the memory 420 may be various volatile memories or non-volatile memories, such as SSD (Solid State Disk), DRAM (Dynamic Random Access Memory), etc.
  • the memory 420 may be used to store an injection volume threshold, a total water volume threshold, a first temperature threshold, and the like.
  • the communication component 430 may be a wired network connector, a WiFi (Wireless Fidelity) module, a Bluetooth module, a cellular network communication module, etc.
  • the communication component 430 may be used to transmit data with other components, and the other components may be temperature sensors, pressure sensors, etc.
  • the communication component 430 may be used to receive the first temperature value of the phase change heat exchanger, may be used to receive the pressure value of the washing water at the water outlet of the spray arm, and so on.
  • the display component 440 may be a display panel connected to the controller body, and the display component 440 may be a TN (Twisted Nematic) panel, a VA (Vertical Alignment) panel, an IPS (In-Plane Switching) panel, etc.
  • the display component 440 may be used to display a control indicating "start washing", etc.
  • the display component 440 may also be a display device that is separate from the controller and has a communication connection established therewith, and no limitation is imposed on the display component 440 herein.
  • FIG5 is a flow chart of a method for controlling a dishwasher provided by an embodiment of the present application. As shown in FIG5 , the method for controlling a dishwasher may include the following steps:
  • the user Before using a dishwasher, the user will place the dishes to be washed in a designated position of the dishwasher to ensure that the washing water sprayed by the spray arm can wash the surface of the dishes. After placing the dishes, the user can trigger the dishwasher to start washing the dishes through a designated operation, wherein the designated operation can be a physical button indicating "start washing” set on the motor dishwasher, or a control indicating "start washing” on the display touch screen of the dishwasher, etc.
  • the user can also select a washing mode.
  • the dishwasher can be set with multiple washing modes, such as energy-saving washing, quick washing, and strong washing. Different washing modes may differ in terms of washing time, amount of washing water used during washing, temperature of washing water, and amount of detergent used, which are not limited here.
  • the washing modes have similar cleaning processes for tableware, and therefore, the washing modes are not distinguished when introducing the method for controlling the dishwasher provided in the embodiment of the present application below.
  • the dishes in the dishwasher can be washed.
  • the washing process will be described in detail below.
  • the washing water used to wash the dishes will be collected in the sink.
  • the controller can control the sink to inject the washing water into the auxiliary heat exchanger. Since the washing water has a certain amount of residual heat, the washing water injected into the auxiliary heat exchanger can exchange heat with the phase change heat exchanger to heat the phase change material in the phase change heat exchanger. The process of injecting washing water into the auxiliary heat exchanger will be described in detail below.
  • the dishwasher washes the dishes only once, in which case the washing water in the sink can be injected into the auxiliary heat exchanger only once.
  • the dishwasher can wash the dishes multiple times, in which case the washing water in the sink can fill the auxiliary heat exchanger after the first wash, or a specified volume of washing water can be injected into the auxiliary heat exchanger after each wash.
  • the controller can store the phase change material heating end condition in advance.
  • the controller detects that the dishwasher (or a specified component in the dishwasher) meets the phase change material heating end condition, the washing water in the auxiliary heat exchanger will be discharged, thereby completing the heating process of the phase change material in the phase change heat exchanger.
  • the phase change material heating end condition will be described in detail below.
  • phase change material changes from solid to liquid, which completes the heat storage.
  • the phase change material can provide heat to the evaporator, thereby ensuring that the condenser releases heat to the outside to heat the washing water.
  • FIG6 is a flow chart of a method for controlling a dishwasher provided by an embodiment of the present application
  • FIG7 is a flow chart of a method for controlling a dishwasher provided by an embodiment of the present application.
  • the method for controlling a dishwasher may specifically include the following steps:
  • the controller pre-stores a first temperature threshold, which is the temperature at which the phase change material cannot release heat, and can also be considered as the temperature at which the liquid phase change material changes to a solid state, such as -5 degrees Celsius, -3 degrees Celsius, -1 degrees Celsius, etc.
  • the first temperature threshold can also be the temperature at which the dishwasher washes the dishes.
  • the temperature at which the phase change material stores all the heat required by the evaporator is 15 degrees Celsius, 5 degrees Celsius, 0 degrees Celsius, etc.
  • the first temperature threshold is set according to actual product requirements and will not be described in detail here.
  • the controller After the user completes the above-mentioned designated operation of triggering the dishwasher to start washing the dishes, the controller will receive a washing start instruction.
  • the controller can obtain the first temperature value of the phase change heat exchanger, that is, the temperature value of the phase change material in the phase change heat exchanger at the current moment.
  • a temperature sensor can be provided on the inner wall or outer wall of the first box of the phase change heat exchanger, and the temperature sensor establishes communication with the controller. The temperature sensor is used to detect the first temperature value of the phase change material and send the first temperature value to the controller.
  • the method for detecting the temperature of the phase change heat exchanger is not limited to using a temperature sensor, which will not be described in detail here.
  • the controller After receiving the first temperature value, the controller compares it with the first temperature threshold. If the first temperature value is greater than or equal to the first temperature threshold, the controller controls the water inlet of the water tank to be connected to the external water source, and at this time, washing water begins to be injected into the water tank.
  • the controller will send a prompt message indicating "cannot start” to the user to remind the user to maintain the dishwasher.
  • the controller will send a prompt message indicating "the temperature of the phase change heat exchanger is too low” to the user to remind the user to replace the phase change heat exchanger or heat the phase change material in the phase change heat exchanger.
  • the controller after receiving the wash start instruction, starts to adjust the connectivity between the components of the dishwasher.
  • the connectivity is as follows: the water tank and the second box of the auxiliary heat exchanger are not connected, the water tank and the heat exchange box are connected, the water tank and the drain pump are not connected, the circulating water pump and the spray arm are connected, the circulating water pump and the second box are not connected, etc.
  • the above connectivity is adjusted when the dishwasher is turned on, that is, before the controller receives the wash start instruction.
  • the controller can continuously obtain the volume of washing water in the sink (which can be called the washing water volume).
  • the controller has a timing function, and it can be approximately considered that the water inflow at the water inlet of the sink is constant. In this case, the controller only needs to record the water inflow time to determine the washing water volume.
  • a laser sensor may be provided in the water tank, the laser sensor including a light transmitter and a light receiver, the controller may record the time from when the light transmitter transmits the laser to when the light receiver receives the laser, and determine the water level of the washing water in the water tank by the time, further, according to the cross-sectional shape and cross-sectional size of the water tank, The method for obtaining the amount of washing water is not limited herein.
  • the controller stores a washing water volume threshold in advance.
  • the controller controls the circulating water pump to start running.
  • the washing water flows through the sink, heat exchange box, circulating water pump and spray arm in sequence under the action of the circulating water pump, and is sprayed out by the spray arm to clean the surface of the tableware, and then flows back to the sink.
  • a contact sensor can be provided at a specified height of the sink.
  • the contact sensor will send a corresponding "contact signal" to the controller.
  • the controller receives the "contact signal”, it will consider that the amount of washing water is equal to the washing water threshold, and then control the operation of the circulating water pump.
  • the controller may store a water volume warning mechanism in advance. For example, after the washing water is injected into the water tank for more than a preset first time, the washing water volume still does not reach the washing water volume threshold. At this time, the controller may issue a prompt message indicating "abnormal washing water volume" to prompt the user to check in time. For another example, after the washing water volume reaches the washing water volume threshold for more than a preset second time, the circulating water pump still does not start. At this time, the controller may issue a prompt message indicating "abnormal washing” to prompt the user to check in time.
  • washing water is continuously injected into the water tank, and the controller continuously obtains the pressure value of the washing water at the water outlet of the spray arm.
  • the pressure value is related to the size of the water outlet of the spray arm and the amount of washing water. Since the size of the water outlet is constant, the pressure value of the washing water can be obtained by only detecting the amount of washing water.
  • a pressure sensor is provided at the water outlet of the spray arm, and the pressure sensor establishes communication with the controller.
  • the pressure sensor is used to detect the pressure value at the water outlet of the spray arm and send the detected pressure value to the controller.
  • the controller stores a pressure threshold in advance. When the pressure value is greater than or equal to the pressure threshold, the controller can control the compressor to operate. At this time, the evaporator, condenser and phase change heat exchanger all start to operate. The condenser exchanges heat with the heat exchanger to heat the washing water, and the evaporator exchanges heat with the phase change heat exchanger. The phase change material in the phase change heat exchanger releases heat to provide heat for the evaporator. At the same time, the controller blocks the water inlet of the water tank from the external water source to stop injecting washing water into the water tank.
  • a high washing water temperature will not improve the cleanliness of the dishes, but will cause unnecessary energy consumption. Therefore, a second temperature threshold is pre-stored in the controller, and the second temperature threshold indicates that the washing water temperature is too high during the washing process.
  • the highest temperature of washing water such as 60 degrees Celsius, 55 degrees Celsius, etc.
  • the controller can continuously obtain the second temperature value of the washing water in the sink.
  • a temperature sensor is provided in the sink, and the temperature sensor establishes communication with the controller. The temperature sensor is used to detect the second temperature value and send the second temperature value to the controller at a specified period.
  • the controller will control the compressor to stop running, that is, stop heating the washing water to reduce unnecessary energy consumption. If the second temperature value is less than the second temperature threshold, the washing water will continue to be heated.
  • the controller may not obtain the above-mentioned second temperature value, nor store the second temperature threshold, but pre-set a third time period. If the compressor running time reaches the third time period, the controller controls the compressor to stop running to stop heating the washing water.
  • the controller may store both the second temperature threshold and the third duration. In this case, when the second temperature value is greater than or equal to the second temperature threshold or the compressor operation duration reaches the third duration, the controller controls the compressor to stop operating.
  • the temperature of the heated washing water will gradually decrease during the process of washing dishes.
  • the temperature sensor at the sink can detect the third temperature value of the washing water and send the third temperature value to the controller.
  • the controller controls the circulating water pump to stop running, and the dishwasher ends the single wash of the dishes. If the third temperature value is greater than the preset third temperature threshold, the circulating water pump continues to run, that is, the single wash is not finished.
  • the controller may not obtain the above-mentioned third temperature value or store the third temperature threshold, but may pre-set a fourth time duration. If the running time of the circulating water pump reaches the fourth time duration, the controller controls the circulating water pump to stop running to end a single wash.
  • the controller may store both the third temperature threshold and the fourth duration. In this case, when the third temperature value is less than or equal to the third temperature threshold or the running time of the circulating water pump reaches the fourth duration, the controller controls the circulating water pump to stop running.
  • the controller adjusts the water tank and the second box of the auxiliary heat exchanger from an unconnected state to a connected state. At this time, the washing water in the water tank that completes a single wash begins to enter the auxiliary heat exchanger (i.e., enters the second box) to heat the phase change material in the phase change heat exchanger.
  • the total amount of washing water in the water tank is greater than the total volume of the second box.
  • the controller may pre-store a threshold for the amount of washing water to be injected into the second box after a single wash.
  • the maximum volume of water is, for example, 3 liters, 5 liters, etc.
  • the dishwasher performs only one wash, and the filling amount threshold is the total volume of the second tank.
  • the dishwasher performs two washes, and the above injection amount threshold is the total volume of the second box.
  • the second box is filled with washing water after the dishwasher completes the first wash, and the dishwasher will not inject washing water into the second box after completing the second wash.
  • the dishwasher performs two washes, and the above injection amount threshold is half of the total volume of the second box. At this time, the dishwasher injects half of the total volume of washing water into the second box after completing the first wash, and injects half of the total volume of washing water into the second box after completing the second wash.
  • the controller can obtain the injection amount of washing water.
  • the water inflow of the auxiliary heat exchanger is approximately considered to be constant, so the injection amount of washing water can be inferred by the length of time for injecting washing water into the auxiliary heat exchanger.
  • the controller obtains the above-mentioned water injection amount.
  • the controller adjusts the water tank and the second box of the auxiliary heat exchanger from a connected state to a disconnected state to stop injecting wash water into the auxiliary heat exchanger. In addition, the controller adjusts the water tank and the drain pump from a disconnected state to a connected state to drain the remaining wash water in the water tank.
  • the controller can determine the total amount of washing water that has been injected into the sink, that is, the sum of the amount of washing water injected into the sink during each washing process. For example, the dishwasher performs two washes, and the amount of washing water that is finally injected into the sink during the first wash is 3 liters, and the amount of washing water that is finally injected into the sink during the second wash is also 3 liters. Then the controller determines that the total amount of washing water that is accumulated and injected into the sink is 6 liters, and so on.
  • the dishes are usually washed multiple times before the dishes are considered to be washed, that is, the dishes are considered to be washed only after the multiple washing end conditions are met. For example, after completing two washes (that is, satisfying the two washing end conditions), the dishwasher stops washing the dishes. At this time, the dishes are clean and the user can take out the dishes, etc.
  • the controller can pre-store a total water volume threshold, such as 7 liters, 9 liters, etc. The total water volume threshold is used to determine whether the dishwasher has completed the dishwashing operation.
  • the controller switches to injecting washing water into the water tank for the next wash.
  • the dishwashing process can be considered to be over, and the controller adjusts the connection relationship between the components as follows: the water tank and the heat exchange box are adjusted from the connected state to the unconnected state, the circulating water pump and the spray arm are adjusted from the connected state to the unconnected state, and the circulating water pump and the second box are adjusted from the connected state to the unconnected state.
  • the disconnected state is adjusted to the connected state.
  • the controller controls the circulation water pump to operate, so that the washing water circulates in the circulation water pump and the auxiliary heat exchanger to heat the phase change material in the phase change heat exchanger until the phase change material heating end condition is met.
  • the fourth temperature threshold is pre-stored in the controller.
  • the fourth temperature threshold can be the temperature when the washing water has no heating effect on the phase change material, or the temperature when the heating efficiency of the phase change material is significantly reduced. It can also be the temperature of the washing water when the heated phase change material reaches the above-mentioned first temperature threshold, and so on.
  • a temperature sensor may be provided on the inner wall or outer wall of the first box of the auxiliary heat exchanger, and the temperature sensor establishes communication with the controller, and the temperature sensor is used to detect the fourth temperature value of the washing water and send the fourth temperature value to the controller.
  • the method for detecting the temperature of the washing water is not limited to using a temperature sensor, and is not described in detail here.
  • the controller After the controller receives the fourth temperature value, if the fourth temperature value is less than or equal to the fourth temperature threshold, the controller controls the circulating water pump to stop running, and controls the second box of the auxiliary heat exchanger and the micro-drain pump to switch from a disconnected state to a connected state, and the micro-drain pump is used to drain the washing water in the auxiliary heat exchanger, thereby ending the heating treatment of the phase change material in the phase change heat exchanger. If the fourth temperature value is greater than the fourth temperature threshold, the circulating water pump continues to run.
  • the controller may not detect the fourth temperature value of the washing water, but may detect the first temperature value of the phase change material. After the phase change material releases heat, if the first temperature threshold is reached under the heating of the washing water, the controller may control the circulating water pump to stop running, and control the micro drainage pump to drain the washing water in the auxiliary heat exchanger.
  • the controller may not detect the fourth temperature value of the washing water, but may count the heating time of the auxiliary heat exchanger to heat the phase change material.
  • the controller pre-stores a heating time threshold. If the heating time is equal to the heating time threshold, it can be considered that the washing water cannot heat the phase change material.
  • the controller can control the circulating water pump to stop running and control the micro-drain pump to drain the washing water in the auxiliary heat exchanger.
  • the heating time threshold can be measured by the dishwasher R&D personnel through multiple tests, and no limitation is made here.
  • the controller can pre-store a fourth temperature threshold and a heating time threshold.
  • the controller controls the circulating water pump to stop running and controls the micro drain pump to drain the washing water in the auxiliary heat exchanger.
  • the washing water in the water tank can be injected into the auxiliary heat exchanger, and the washing water with residual heat can be used to heat the phase change material in the phase change heat exchanger.
  • the washing water in the auxiliary heat exchanger can be discharged to stop heating the phase change material in the phase change heat exchanger.
  • this solution can be used to achieve normal operation of the dishwasher.
  • the washing water with residual heat is used to provide heat for the regeneration of the phase change material, which is conducive to the recycling of heat and reduces energy consumption.
  • a computer device provided in an embodiment of the present application may be a terminal device in the above embodiment.
  • Figure 8 is a schematic diagram of the structure of the computer device.
  • the computer device 800 may have relatively large differences due to different configurations or performances, and may include one or more CPUs 810 and one or more memories 820, wherein the memory 820 stores at least one instruction, and the at least one instruction is loaded and executed by the processor 810 to implement the methods provided in the above-mentioned various method embodiments.
  • the computer device may also have components such as a wired or wireless network interface, a keyboard, and an input and output interface for input and output.
  • the computer device may also include other components for implementing device functions, which will not be described in detail here.
  • a computer-readable storage medium such as a memory including instructions, which can be executed by a processor in a terminal to complete the method for determining the amount of crustal shortening in the above embodiment.
  • the computer-readable storage medium can be non-transient.
  • the computer-readable storage medium can be a ROM (Read-Only Memory), a RAM (Random Access Memory), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • the information including but not limited to user device information, user personal information, etc.
  • data including but not limited to data used for analysis, stored data, displayed data, etc.
  • signals including but not limited to signals transmitted between user terminals and other devices, etc.

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  • Washing And Drying Of Tableware (AREA)

Abstract

一种控制洗碗机的方法、设备（800）和存储介质，属于洗碗机技术领域。方法包括：对洗碗机中的餐具进行洗涤（S501）；在单次洗涤结束后，将水槽中的洗涤水注入辅助换热器（S502）；当满足相变材料加热结束条件时，将辅助换热器中的洗涤水排出（S503）。应用相变材料为蒸发器提供热量的洗碗机可以实现正常工作，而且，利用带有余热的洗涤水为相变材料的再生提供热量，有利于热量的循环使用，降低能耗。

Description

控制洗碗机的方法、设备和存储介质
本申请要求于2022年10月13日提交的申请号为202211256143.X、发明名称为“控制洗碗机的方法、设备和存储介质”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
本申请涉及洗碗机技术领域，特别涉及一种控制洗碗机的方法、设备和存储介质。
背景技术
随着科技的发展，热泵系统作为一种新的供热技术受到广泛关注，由于热泵系统具有回收低温废热、节约能源等特点，已经被广泛应用到众多终端设备中，如洗碗机。
以洗碗机为例，热泵系统通常包括压缩机、冷凝器和蒸发器等器件，压缩机、冷凝器和蒸发器两两之间相互连通，压缩机由蒸发器处吸入低温低压气体，并向冷凝器输送高温高压气体，高温高压气体在冷凝器处冷凝成液体并向外部放热以加热洗碗机中清洗餐具的洗涤水，冷凝后的液体流入蒸发器并在蒸发器处吸热蒸发形成低温低压的气体。为了保证蒸发器的工作效率，会在蒸发器处设置换热媒介，由于相变材料具有导热系数大、比热容大、能贮藏或放出较多的热量等特点，通常会将相变材料作为换热媒介。相变材料放热后通常会由液态变为固态，为了保证相变材料的重复利用，通常会设置辅助换热器以加热相变材料。
当前针对应用相变材料作为换热媒介的洗碗机，需要提供一种控制洗碗机工作的方法，以保证洗碗机正常使用。
发明内容
本申请实施例提供了一种控制洗碗机的方法、设备和存储介质，能保证相关技术中应用相变材料作为换热媒介的洗碗机的正常使用。技术方案如下：
第一方面，本申请提供了一种控制洗碗机的方法，所述方法包括：
对所述洗碗机中的餐具进行洗涤；
在单次洗涤结束后，将水槽中的洗涤水注入辅助换热器，以加热相变换热器中的相变材料；
当满足相变材料加热结束条件时，将所述辅助换热器中的所述洗涤水排出。
在一种可能的实现方式中，所述将水槽中的洗涤水注入辅助换热器，包括：
向所述辅助换热器注入所述洗涤水；
获取所述辅助换热器中所述洗涤水的注入量；
如果所述注入量等于预先设定的注入量阈值，停止向所述辅助换热器注入所述洗涤水，且将所述水槽中剩余的洗涤水排出。
在一种可能的实现方式中，所述对所述洗碗机中的餐具进行洗涤，包括：
接收洗涤开始指令，向水槽中注入所述洗涤水；
当满足开始洗涤条件时，控制循环水泵运行；
当满足洗涤水加热条件时，控制压缩机运行以加热所述洗涤水；
当满足洗涤水加热结束条件时，控制所述压缩机停止运行；
当满足单次洗涤结束条件时，控制所述循环水泵停止运行。
在一种可能的实现方式中，所述将水槽中的洗涤水注入辅助换热器之后，还包括：
确定所述水槽中累计注入的所述洗涤水的总水量；
如果所述总水量小于预先设定的总水量阈值，转置执行向水槽中注入所述洗涤水；
如果所述总水量大于或等于预先设定的总水量阈值，控制所述循环水泵运行，以使所述洗涤水在所述循环水泵和所述辅助换热器中循环流动，直到满足相变材料加热结束条件。
在一种可能的实现方式中，所述向水槽中注入所述洗涤水之前，还包括：
获取所述相变换热器的第一温度值；
如果所述第一温度值大于或等于预先设定的第一温度阈值，则向水槽中注入所述洗涤水。
在一种可能的实现方式中，所述当满足开始洗涤条件时，控制循环水泵运行，包括：
获取所述水槽中的所述洗涤水的洗涤水量；
当所述洗涤水量大于或等于预先设定的洗涤水量阈值时，控制循环水泵运行。
在一种可能的实现方式中，所述当满足洗涤水加热条件时，控制压缩机运行以加热所述洗涤水，包括：
获取喷臂的出水口处的所述洗涤水的压力值；
当所述压力值大于或等于预先设定的压力阈值时，控制压缩机运行，且停止向所述水槽注入所述洗涤水。
在一种可能的实现方式中，所述当满足洗涤水加热结束条件时，控制所述压缩机停止运行，包括：
获取所述水槽中所述洗涤水的第二温度值；
当所述第二温度值大于或等于预先设定的第二温度阈值时，所述压缩机停止运行。
在一种可能的实现方式中，所述当满足单次洗涤结束条件时，控制所述循环水泵停止运行，包括：
获取所述水槽中的所述洗涤水的第三温度值；
当所述第三温度值小于或等于预先设定的第三温度阈值时，控制所述循环水泵停止运行。
在一种可能的实现方式中，所述当满足相变材料加热结束条件时，将所述辅助换热器中的所述洗涤水排出，包括：
获取所述辅助换热器中的所述洗涤水的第四温度值；
当所述第四温度值小于或等于预先设定的第四温度阈值时，将所述辅助换热器中的所述洗涤水排出。
在一种可能的实现方式中，所述当满足相变材料加热结束条件时，将所述辅助换热器中的所述洗涤水排出，包括：
获取所述辅助换热器加热所述相变材料的加热时长；
如果所述加热时长等于预先设定的加热时长阈值，将所述辅助换热器中的所述洗涤水排出。
第二方面，本申请提供了一种计算机设备，所述计算机设备包括处理器和存储器，所述存储器中存储有至少一条指令，所述至少一条指令由所述处理器加载并执行以实现如第一方面及其可能的实现方式中任一项所述的控制洗碗机的方法所执行的操作。
第三方面，本申请提供了一种计算机设备，所述存储介质中存储有至少一条指令，所述至少一条指令由处理器加载并执行以实现如第一方面及其可能的实现方式中任一项所述的控制洗碗机的方法所执行的操作。
本申请实施例提供的技术方案带来的有益效果是：
本申请实施例提供的方案中，洗碗机对餐具进行洗涤的过程中，在单次洗涤结束后，可以将水槽中的洗涤水注入辅助换热器，利用带有余温的洗涤水加热相变换热器中的相变材料。而且，当满足相变材料加热结束条件时，可以将辅助换热器中的洗涤水排出，以停止对相变换热器中相变材料的加热。针对应用相变材料为蒸发器提供热量的洗碗机，采用本方案，可以实现洗碗机的正常工作。而且，采用本方案，利用带有余热的洗涤水为相变材料的再生提供热量，有利于热量的循环使用，降低能耗。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本申请。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的一种洗碗机的结构示意图；
图2是本申请实施例提供的一种热泵系统的结构示意图；
图3是本申请实施例提供的一种洗碗机的局部结构示意图；
图4是本申请实施例提供的一种控制器的结构示意图；
图5是本申请实施例提供的一种控制洗碗机的方法的流程图；
图6是本申请实施例提供的一种控制洗碗机的方法的流程图；
图7是本申请实施例提供的一种控制洗碗机的方法的流程图；
图8是本申请实施例提供的一种计算机设备的结构示意图。
具体实施方式
除非另作定义，此处使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开专利申请说明书以及权利要求书中使用的“第一”、“第二”、“第三”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。“包括”或者“包含”等类似的词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则所述相对位置关系也可能相应地改变。
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
下面，先对洗碗机的结构进行介绍：
图1是本申请实施例提供的一种洗碗机的结构示意图，图2是本申请实施例提供的一种热泵系统的结构示意图，图3是本申请实施例提供的一种洗碗机的局部结构示意图。参考图1所示，该洗碗机包括控制器、热泵系统和水循环系统。参考图2所示，热泵系统包括压缩机、蒸发器、冷凝器、相变换热器、辅助换热器和微型排水泵。参考图3所示，水循环系统包括水槽、换热箱、循 环水泵、喷臂和排水泵。
参考图2所示，压缩机、蒸发器和冷凝器两两之间相互连通，作为示例，压缩机具有吸气口和排气口，蒸发器具有第一接口和第二接口，冷凝器具有第三接口和第四接口，压缩机的吸气口与蒸发器的第一接口相连通，压缩机的排气口与冷凝器的第四接口相连通，蒸发器的第二接口与冷凝器的第三接口相连通。
作为示例，该相变热泵系统还可以包括节流阀，节流阀分别与蒸发器和冷凝器相连通，即节流阀的两端分别与蒸发器的第二接口、冷凝器的第三接口相连通，节流阀用于控制由蒸发器流向冷凝器的介质的流速。
参考图2所示，相变换热器包括第一箱体和相变材料，相变材料填充在第一箱体中，相变换热器用于与蒸发器进行热交换。作为示例，蒸发器位于第一箱体内，蒸发器与第一箱体的内壁之间形成第一间隔空间，相变材料位于第一间隔空间中，并且蒸发器的至少部分浸没在相变材料中。
通常，相变材料可以是固液相变储能材料，相变材料由液态变化为固态的时候向外部释放热量，以起到保温加热的作用，而相变材料由固态变化为液态的时候吸收外部的热量，以起到降温储热的作用。
作为示例，相变材料可以是无机相变材料。相变材料可以是硫酸钠类，如加入防相分离剂的硫酸钠水合盐等；相变材料可以是醋酸钠类，如加入防相分离剂的三水醋酸钠等；相变材料可以是氯化钙类，如氯化钙的含水盐等；相变材料可以是磷酸盐类，如磷酸氢二钠的十二水盐等。
可选地，相变材料也可以是有机相变材料。相变材料可以是石蜡，也可以是脂肪酸类。
参考图2所示，辅助换热器可以包括第二箱体和热媒，热媒填充在第二箱体中，辅助换热器与相变换热器热连通，此处的热连通又可以称为热耦合，表示辅助换热器与相变换热器之间可以进行热交换，以加热相变换热器中的相变材料。作为示例，第一箱体位于第二箱体内，且第一箱体与第二箱体的内壁之间形成第二间隔空间，热媒位于第二间隔空间中，且第一箱体的至少部分浸在热媒中。
参考图1所示，微型排水泵与第二箱体连通，用于将第二箱体中的热媒排出。
参考图1和图3所示，水槽与换热箱通过单向阀连接，换热箱与循环水泵 连通，循环水泵通过单向阀与喷臂连接。水槽具有进水口，用于从外部向水槽中输送水(下文中称为洗涤水)，当循环水泵处于第一工作状态时，水槽与换热箱连通，并且循环水泵通过单向阀与喷臂连通，此时洗涤水由水槽依次流经换热箱、循环水泵和喷臂，并由喷臂喷出。洗涤水由喷臂喷出后，在放置待清洗餐具的容纳箱中完成对餐具的清洗，然后回流至水槽中。排水泵分别与水槽相连通，排水泵用于将水槽中的洗涤水排出。
参考图1和图3所示，上述冷凝器则位于换热箱内，且冷凝器的至少部分浸在换热箱中的洗涤水中，压缩机工作时，冷凝器用于加热换热箱中的洗涤水。
参考图1所示，上述第二箱体可以与水槽相连，即第二箱体与水槽之间可以在连通状态与非连通状态之间切换。作为示例，第二箱体与水槽之间通过单向阀相连，单向阀可以实现第二箱体和水槽之间通断关系的调整。而且，当第二箱体与水槽连通时，水槽中的洗涤水将作为热媒注入第二箱体中，即水槽中的洗涤水注入辅助换热器中。
作为示例，第二箱体可以具有第一循环口和第二循环口，循环水泵可以具有热媒抽取口和热媒排放口。第一循环口与热媒抽取口通过单向阀相连，第二循环口与热媒排放口通过第二单向阀相连。当循环水泵处于第二工作状态时，循环水泵与第三箱体、喷臂之间均处于不连通状态，而且第二箱体与水槽之间也处于不连通状态，此时，第二箱体与循环水泵之间形成回路，在循环水泵的作用下，热媒在第二箱体和循环水泵中循环流动。
作为示例，排水泵具有一个入水口和两个出水口，入水口与水槽连通，一个出水口与第二箱体连通，另一个出水口与排水管道连通。当由喷臂喷出的洗涤水回流至水槽且需要将洗涤水排出时，需要排出的洗涤水由入水口进入排水泵，进入排水泵的洗涤水可以通过一个出水口流入第二箱体中，并同时通过另一个出水口流入排水管道排向外部。
本申请实施例提供了一种控制洗碗机的方法，该方法应用于上述洗碗机中，该方法的执行主体为洗碗机的控制器。控制器可以与水槽、循环水泵、喷臂、第一箱体(即相变换热器)、第二箱体(即辅助换热器)、微型水泵、以及各个单向阀等部件电性相连，用于控制上述各个部件的工作状态，以执行本申请实施例提供的控制洗碗机的方法。
从硬件组成上来看，如图4所示，该控制器可以包括处理器410、存储器420、通信部件430和显示部件440等。
处理器410可以是CPU(Central Processing Unit，中央处理器)，也可以是SoC(System on Chip，系统级芯片)等。处理器410可以用于获取辅助换热器中洗涤水的注入量，用于确定水槽中累计注入的洗涤水的总水量，等等。
存储器420可以是各种易失性存储器或非易失性存储器，如SSD(Solid State Disk，固态硬盘)、DRAM(Dynamic Random Access Memory，动态随机存取存储器)内存等。存储器420可以用于存储注入量阈值、总水量阈值、第一温度阈值，等等。
通信部件430可以是有线网络连接器、WiFi(Wireless Fidelity，无线保真)模块、蓝牙模块、蜂巢网通信模块等。通信部件430可以用于与其他部件进行数据传输，其他部件可以是温度传感器、压力传感器等。通信部件430可以用于接收相变换热器的第一温度值，可以用于接收喷臂的出水口处的洗涤水的压力值，等等。
显示部件440可以是与控制器体的显示面板，显示部件440可以是TN(Twisted Nematic，扭曲向列型)面板，也可以是VA(Vertical Alignment，垂直配向型)面板，还可以是IPS(In-Plane Switching，平面转换型)面板，等等。显示部件440可以用于显示表示“开始洗涤”的控件，等等。
可选地，显示部件440也可以是与控制器分离的建立有通信连接的显示设备，此处不对显示部件440进行任何限定。
图5是本申请实施例提供的一种控制洗碗机的方法的流程图。如图5所示，该控制洗碗机的方法可以包括如下步骤：
S501、对洗碗机中的餐具进行洗涤。
使用洗碗机前，使用者会将待清洗的餐具放入洗碗机的指定位置处，以保证喷臂喷出的洗涤水可以冲洗餐具的表面。完成餐具放置后，使用者可以通过指定操作触发洗碗机开始对餐具洗涤，其中，指定操作可以是电机洗碗机上设置的表示“开始洗涤”的物理按钮，也可以洗碗机的显示触控屏中表示“开始洗涤”的控件，等等。
可选地，使用者通过指定操作触发洗碗机开始对餐具洗涤之前，还可以选择清洗模式，作为示例，洗碗机可以设置多种清洗模式，如节能洗、快速洗、强力洗等。不同清洗模式之间可能在清洗时间、清洗时的洗涤水的用量、洗涤水的温度、以及洗涤剂的用量等方面存在差异，此处不进行任何限定。不同清 洗模式对餐具的清洗过程相似，因此，下文中对本申请实施例提供的控制洗碗机的方法进行介绍时不区分清洗模式。
使用者完成上述指定操作后，便可以对洗碗机中的餐具进行洗涤，下文会对洗涤过程进行详细说明。
S502、在单次洗涤结束后，将水槽中的洗涤水注入辅助换热器。
洗碗机在完成对餐具的单次洗涤后，完成餐具清洗的洗涤水会汇集到水槽中，此时，控制器可以控制水槽将洗涤水注入辅助换热器，由于洗涤水具有一定的余热，注入辅助换热器的洗涤水可以与相变换热器进行热交换，以加热相变换热器中的相变材料。向辅助换热器注入洗涤水的过程，下文会进行详细说明。
可选地，洗碗机只对餐具进行一次洗涤，此时，水槽中的洗涤水可以只向辅助换热器注入一次。洗碗机可以对餐具进行多次洗涤，此种情况下，水槽中的洗涤水可以在第一次洗涤结束后就将辅助换热器注满，也可以在每次洗涤结束后均向辅助换热器注入指定体积的洗涤水。
S503、当满足相变材料加热结束条件时，将辅助换热器中的洗涤水排出。
控制器中可以预先存储相变材料加热结束条件，当控制器检测到洗碗机(或洗碗机中某一指定部件)满足相变材料加热结束条件时，便会将辅助换热器中的洗涤水排出，从而完成对相变换热器中的相变材料的加热处理。对于相变材料加热结束条件，下文会进行详细说明。
洗涤水排出辅助换热器后，相变材料从固态变为液态，也即完成储热。洗碗机再次对餐具进行洗涤时，相变材料可以向蒸发器提供热量，从而，保证冷凝器向外部放热以加热洗涤水。
下面，对本申请实施例提供的控制洗碗机的方法进行详细说明。
图6是本申请实施例提供的一种控制洗碗机的方法的流程图，图7是本申请实施例提供的一种控制洗碗机的方法的流程图。参考图6和图7所示，该控制洗碗机的方法具体可以包括如下步骤：
S601、接收洗涤开始指令，向水槽中注入洗涤水。
控制器中预先存储了第一温度阈值，第一温度阈值为相变材料无法放热时的温度，也可以认为是液态相变材料变为固态后的温度，如-5摄氏度、-3摄氏度、-1摄氏度等。可选地，第一温度阈值也可以是，洗碗机对餐具进行清洗的 过程中加热洗涤水时，相变材料储存有蒸发器所需的全部热量时的温度，如15摄氏度、5摄氏度、0摄氏度等。第一温度阈值根据实际产品需求进行设定，此处不进行赘述。
使用者完成上述触发洗碗机开始对餐具洗涤的指定操作后，控制器会接收到洗涤开始指令。
然后，控制器可以获取相变换热器的第一温度值，即相变换热器中相变材料当前时刻的温度值。相变换热器的第一箱体的内壁或外壁上可以设置有温度传感器，该温度传感器与控制器建立通信，该温度传感器用于检测相变材料的第一温度值并向控制器发送第一温度值。对于检测相变换热器温度的方式，可以不局限于使用温度传感器，此处不予赘述。
控制器接收到第一温度值后，将其与第一温度阈值进行比较。如果第一温度值大于或等于第一温度阈值，则控制器控制水槽的进水口与外部水源连通，此时，水槽中开始注入洗涤水。
如果第一温度值小于第一温度阈值，则控制器会向使用者发出表示“无法启动”的提示信息，以提醒使用者对洗碗机进行维护。可选地，控制器会向使用者发送表示“相变换热器温度过低”的提醒信息，以提示使用者更换相变换热器或对相变换热器(中的相变材料)进行加热。
在一些示例中，控制器在接收洗涤开始指令后，便开始调整洗碗机各部件之间的连通关系。连通关系如下：水槽与辅助换热器的第二箱体处于未连通状态，水槽与换热箱处于连通状态，水槽与排水泵处于未连通状态，循环水泵与喷臂处于连通状态，循环水泵与第二箱体处于未连通状态，等等。可选地，上述连通关系在洗碗机开机时便完成调整，也即在控制器接收洗涤开始指令前便完成调整。
S602、当满足开始洗涤条件时，控制循环水泵运行。
在向水槽中注入洗涤水的过程中，控制器可以持续获取水槽中洗涤水的体积(可以称为洗涤水量)。作为示例，控制器具有计时功能，而且可以近似认为水槽的进水口处的进水量是恒定的，此种情况下，控制器只需要记录进水时长就可以确定洗涤水量。
可选地，水槽中可以设置有激光传感器，激光传感器包括光发射器和光接收器，控制器可以记录光发射器发射激光到光接收器接收到激光的时长，并通过该时长确定水槽中洗涤水的水位，进一步地，根据水槽的截面形状及截面尺 寸确定洗涤水量。对于获取洗涤水量的方法，此处不进行任何限定。
控制器中预先存储洗涤水量阈值，当控制器获取到的洗涤水量大于或等于预先设定的洗涤水量阈值时，控制器控制循环水泵开始运行。此时，洗涤水在循环水泵的作用下依次流经水槽、换热箱、循环水泵和喷臂，由喷臂喷出后清洗餐具表面，然后回流至水槽。
可选地，水槽的指定高度处可以设置有接触式传感器，当水槽中洗涤水的水位等于接触式传感器的高度时，接触式传感器会向控制器发送相应的“接触信号”，控制器接收到“接触信号”便认为洗涤水量等于洗涤水量阈值，然后控制循环水泵运行。
可选地，控制器中可以预先存储水量预警机制。例如，向水槽注入洗涤水超过预先设定的第一时长后，洗涤水量仍然未达到洗涤水量阈值，此时，控制器可以发出表示“洗涤水量异常”的提示信息，提示使用者及时检查。再例如，洗涤水量达到洗涤水量阈值的时长超过预先设定的第二时长后，循环水泵仍未启动，此时，控制器可以发出表示“洗涤异常”的提示信息，提示使用者及时检查。
S603、当满足洗涤水加热条件时，控制压缩机运行以加热洗涤水。
循环水泵开始运行后，水槽中持续注入洗涤水，并且控制器持续获取喷臂的出水口处的洗涤水的压力值。作为示例，上述压力值与喷臂的出水口处的尺寸、以及洗涤水量有关，由于出水口的尺寸是不变的，所以只需要检测洗涤水量便可以获取上述洗涤水的压力值。
可选地，喷臂的出水口处设置有压力传感器，压力传感器与控制器建立通信，压力传感器用于检测喷臂出水口处的压力值，并将检测到的压力值发送给控制器。
控制器中预先存储有压力阈值，当上述压力值大于或等于压力阈值时，控制器可以控制压缩机运行，此时，蒸发器、冷凝器和相变换热器都开始运行，冷凝器与换热器进行热交换以加热洗涤水，蒸发器与相变换热器进行热交换，相变换热器中的相变材料放热为蒸发器提供热量。同时，控制器将水槽的进水口与外部水源阻断，以停止向水槽注入洗涤水。
S604、当满足洗涤水加热结束条件时，控制压缩机停止运行。
洗涤水温度过高不会提高餐具的清洁程度，反而会造成不必要的能耗，因此，控制器中预先存储有第二温度阈值，第二温度阈值表示清洗餐具过程中洗 涤水的最高温度，如60摄氏度、55摄氏度等。
控制器可以持续获取水槽中的洗涤水的第二温度值，作为示例，水槽中设置有温度传感器，该温度传感器与控制器建立通信，该温度传感器用于检测第二温度值，并按指定周期向控制器发送第二温度值。
如果第二温度值大于或等于第二温度阈值时，控制器将控制压缩机停止运行，即停止对洗涤水进行加热，以降低不必要的能耗。如果第二温度值小于第二温度阈值时，则持续对洗涤水进行加热。
可选地，控制器可以不获取上述第二温度值，也未存储第二温度阈值，而是预先设定第三时长，如果压缩机运行时长达到第三时长，则控制器控制压缩机停止运行以停止对洗涤水进行加热。
可选地，控制器可以既存储有第二温度阈值，又存储有第三时长。此种情况下，当第二温度值大于或等于第二温度阈值或压缩机运行时长达到第三时长，则控制器控制压缩机停止运行。
S605、当满足单次洗涤结束条件时，控制循环水泵停止运行。
加热后的洗涤水在清洗餐具的过程中温度会逐渐降低，水槽处的温度传感器可以检测洗涤水的第三温度值，并向控制器发送该第三温度值。
如果第三温度值小于或等于预先设定的第三温度阈值，则控制器控制循环水泵停止运行，此时，洗碗机结束对餐具的单次洗涤。如果第三温度值大于预先设定的第三温度阈值，则循环水泵持续运行即单次洗涤未结束。
可选地，控制器可以不获取上述第三温度值，也未存储第三温度阈值，而是预先设定第四时长，如果循环水泵运行时长达到第四时长，则控制器控制循环水泵停止运行以结束单次洗涤。
可选地，控制器可以既存储有第三温度阈值，又存储有第四时长。此种情况下，当第三温度值小于或等于第三温度阈值或循环水泵运行时长达到第四时长，则控制器控制循环水泵停止运行。
S606、在单次洗涤结束后，将水槽中的洗涤水注入辅助换热器。
在单次洗涤结束后，控制器将水槽与辅助换热器的第二箱体由未连通状态调整为连通状态，此时，水槽中完成单次洗涤的洗涤水开始进入辅助换热器(即进入第二箱体)，以加热相变换热器中的相变材料。
通常水槽中洗涤水的总水量大于第二箱体的总容积，控制器中可以预先存储有洗涤水的注入量阈值，注入量阈值为单次洗涤结束后向第二箱体注入洗涤 水的最大体积，如3升、5升等。作为示例，洗碗机只进行一次洗涤，注入量阈值为第二箱体的总容积。
可选地，洗碗机进行两次洗涤，上述注入量阈值为第二箱体的总容积，此时，洗碗机在完成第一次洗涤后第二箱体中便注满洗涤水，洗碗机完成第二次洗涤后也不会再向第二箱体中注入洗涤水。
可选地，洗碗机进行两次洗涤，上述注入量阈值为第二箱体的总容积的一半，此时，洗碗机在完成第一次洗涤后向第二箱体注入总容积一半的洗涤水，洗碗机完成第二次洗涤后再向第二箱体注入总容积一半的洗涤水。
在向辅助换热器注入洗涤水的过程中，控制器可以获取洗涤水的注入量。作为示例，辅助换热器的进水量近似认为是恒定的，因此，可以通过向辅助换热器注入洗涤水的时长便可以推断洗涤水的注入量。对于控制器获取上述注水量的方式，此处不进行任何限定。
如果上述注入量等于预先设定的注入量阈值，则控制器将水槽与辅助换热器的第二箱体由连通状态调整为未连通状态，以停止向辅助换热器注入洗涤水。并且，控制器将水槽与排水泵由未连通状态调整为连通状态，以将水槽中剩余的洗涤水排出。
水槽中剩余的洗涤水完全排出后，控制器可以确定水槽中累计注入的洗涤水的总水量，即统计每次洗涤过程中水槽的注入的洗涤水量的和。例如，洗碗机进行了两次洗涤，第一次洗涤过程中最终注入水槽的洗涤水量为3升，第二次洗涤过程中最终注入水槽的洗涤水量也为3升，则控制器确定水槽中累计注入的洗涤水的总水量为6升，等等。
使用洗碗机清洗餐具时，通常会对餐具进行多次洗涤才认为是完成餐具清洗，即满足多次洗涤结束条件后才认为完成餐具清洗，例如，完成两次洗涤(即满足两次洗涤结束条件)后洗碗机停止对餐具进行清洗，此时餐具清洗干净，使用者可以取出餐具，等等。控制器中可以预先存储有总水量阈值，如7升、9升等，总水量阈值用于判断是否完成洗碗机对餐具的清洗作业。
如果上述总水量小于总水量阈值，控制器转置执行向水槽中注入洗涤水，进行下一次洗涤。
如果上述总水量大于或等于总水量阈值，则可以认为结束餐具洗涤的过程，控制器调整各部件之间的连通关系如下：水槽与换热箱由连通状态调整为未连通状态，循环水泵与喷臂由连通状态调整为未连通状态，循环水泵与第二箱体 由未连通状态调整为连通状态。并且，控制器控制循环水泵运行，使洗涤水在循环水泵和辅助换热器中循环流动，以加热相变换热器中的相变材料，直到满足相变材料加热结束条件。
S607、当满足相变材料加热结束条件时，将辅助换热器中的洗涤水排出。
控制器中预先存储第四温度阈值，第四温度阈值可以是洗涤水对相变材料没有加热效果时的温度，也可以是对相变材料的加热效率明显下降时的温度，还可以使加热后的相变材料达到上述第一温度阈值时洗涤水的温度，等等。
辅助换热器的第一箱体的内壁或外壁上可以设置有温度传感器，该温度传感器与控制器建立通信，该温度传感器用于检测洗涤水的第四温度值，并向控制器发送第四温度值。对于检测洗涤水温度的方式，可以不局限于使用温度传感器，此处不予赘述。
控制器接收到第四温度值后，如果第四温度值小于或等于第四温度阈值，则控制器控制循环水泵停止运行，并且控制辅助换热器的第二箱体与微型排水泵由未连通状态切换为连通状态，微型排水泵用于将辅助换热器中的洗涤水排水，从而，结束对相变换热器中相变材料的加热处理。如果第四温度值大于第四温度阈值，则循环水泵持续运行。
可选地，控制器可以不检测洗涤水的第四温度值，而是检测上述相变材料的第一温度值。相变材料放热后，如果在洗涤水的加热下达到上述第一温度阈值，则控制器可以控制循环水泵停止运行，并控制微型排水泵将辅助换热器中的洗涤水排出。
可选地，控制器可以不检测洗涤水的第四温度值，而是统计辅助换热器加热相变材料的加热时长。此种情况下，控制器中预先存储加热时长阈值，如果上述加热时长等于加热时长阈值，则可以认为洗涤水无法对相变材料进行加热，此时，控制器可以控制循环水泵停止运行，并控制微型排水泵将辅助换热器中的洗涤水排出。其中，加热时长阈值可以由洗碗机研发人员经过多次试验测得，此处不进行任何限定。
可选地，控制器可以预先存储第四温度阈值和加热时长阈值，当第四温度值小于或等于第四温度阈值或者加热时长等于加热时长阈值时，控制器便控制循环水泵停止运行，并控制微型排水泵将辅助换热器中的洗涤水排出。
本申请实施例提供的方案中，洗碗机对餐具进行洗涤的过程中，在单次洗 涤结束后，可以将水槽中的洗涤水注入辅助换热器，利用带有余温的洗涤水加热相变换热器中的相变材料。而且，当满足相变材料加热结束条件时，可以将辅助换热器中的洗涤水排出，以停止对相变换热器中相变材料的加热。针对应用相变材料为蒸发器提供热量的洗碗机，采用本方案，可以实现洗碗机的正常工作。而且，采用本方案，利用带有余热的洗涤水为相变材料的再生提供热量，有利于热量的循环使用，降低能耗。
本申请实施例提供的一种计算机设备，该计算机设备可以是上述实施例中的终端设备。图8是该计算机设备的结构示意图，该计算机设备800可因配置或性能不同而产生比较大的差异，可以包括一个或一个以上CPU810和一个或一个以上的存储器820，其中，所述存储器820中存储有至少一条指令，所述至少一条指令由所述处理器810加载并执行以实现上述各个方法实施例提供的方法。当然，该计算机设备还可以具有有线或无线网络接口、键盘以及输入输出接口等部件，以便进行输入输出，该计算机设备还可以包括其他用于实现设备功能的部件，在此不做赘述。
在示例性实施例中，还提供了一种计算机可读存储介质，例如包括指令的存储器，上述指令可由终端中的处理器执行以完成上述实施例中确定地壳缩短量的方法。该计算机可读存储介质可以是非暂态的。例如，所述计算机可读存储介质可以是ROM(Read-Only Memory，只读存储器)、RAM(Random Access Memory，随机存取存储器)、CD-ROM、磁带、软盘和光数据存储设备等。
需要说明的是，本申请所涉及的信息(包括但不限于用户设备信息、用户个人信息等)、数据(包括但不限于用于分析的数据、存储的数据、展示的数据等)以及信号(包括但不限于用户终端与其他设备之间传输的信号等)，均为经用户授权或者经过各方充分授权的，且相关数据的收集、使用和处理需要遵守相关国家和地区的相关法律法规和标准。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或 光盘等。
以上所述仅为本申请的可选实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (13)

  1. 一种控制洗碗机的方法，其特征在于，所述方法包括：
    对所述洗碗机中的餐具进行洗涤；
    在单次洗涤结束后，将水槽中的洗涤水注入辅助换热器，以加热相变换热器中的相变材料；
    当满足相变材料加热结束条件时，将所述辅助换热器中的所述洗涤水排出。
  2. 根据权利要求1所述的方法，其特征在于，所述将水槽中的洗涤水注入辅助换热器，包括：
    向所述辅助换热器注入所述洗涤水；
    获取所述辅助换热器中所述洗涤水的注入量；
    如果所述注入量等于预先设定的注入量阈值，停止向所述辅助换热器注入所述洗涤水，且将所述水槽中剩余的洗涤水排出。
  3. 根据权利要求1所述的方法，其特征在于，所述对所述洗碗机中的餐具进行洗涤，包括：
    接收洗涤开始指令，向水槽中注入所述洗涤水；
    当满足开始洗涤条件时，控制循环水泵运行；
    当满足洗涤水加热条件时，控制压缩机运行以加热所述洗涤水；
    当满足洗涤水加热结束条件时，控制所述压缩机停止运行；
    当满足单次洗涤结束条件时，控制所述循环水泵停止运行。
  4. 根据权利要求3所述的方法，其特征在于，所述将水槽中的洗涤水注入辅助换热器之后，还包括：
    确定所述水槽中累计注入的所述洗涤水的总水量；
    如果所述总水量小于预先设定的总水量阈值，转置执行向水槽中注入所述洗涤水；
    如果所述总水量大于或等于预先设定的总水量阈值，控制所述循环水泵运行，以使所述洗涤水在所述循环水泵和所述辅助换热器中循环流动，直到满足相变材料加热结束条件。
  5. 根据权利要求3所述的方法，其特征在于，所述向水槽中注入所述洗涤水之前，还包括：
    获取所述相变换热器的第一温度值；
    如果所述第一温度值大于或等于预先设定的第一温度阈值，则向水槽中注入所述洗涤水。
  6. 根据权利要求3所述的方法，其特征在于，所述当满足开始洗涤条件时，控制循环水泵运行，包括：
    获取所述水槽中的所述洗涤水的洗涤水量；
    当所述洗涤水量大于或等于预先设定的洗涤水量阈值时，控制循环水泵运行。
  7. 根据权利要求3所述的方法，其特征在于，所述当满足洗涤水加热条件时，控制压缩机运行以加热所述洗涤水，包括：
    获取喷臂的出水口处的所述洗涤水的压力值；
    当所述压力值大于或等于预先设定的压力阈值时，控制压缩机运行，且停止向所述水槽注入所述洗涤水。
  8. 根据权利要求3所述的方法，其特征在于，所述当满足洗涤水加热结束条件时，控制所述压缩机停止运行，包括：
    获取所述水槽中所述洗涤水的第二温度值；
    当所述第二温度值大于或等于预先设定的第二温度阈值时，所述压缩机停止运行。
  9. 根据权利要求3所述的方法，其特征在于，所述当满足单次洗涤结束条件时，控制所述循环水泵停止运行，包括：
    获取所述水槽中的所述洗涤水的第三温度值；
    当所述第三温度值小于或等于预先设定的第三温度阈值时，控制所述循环水泵停止运行。
  10. 根据权利要求1-9任一项所述的方法，其特征在于，所述当满足相变材料加热结束条件时，将所述辅助换热器中的所述洗涤水排出，包括：
    获取所述辅助换热器中的所述洗涤水的第四温度值；
    当所述第四温度值小于或等于预先设定的第四温度阈值时，将所述辅助换热器中的所述洗涤水排出。
  11. 根据权利要求1-9任一项所述的方法，其特征在于，所述当满足相变材料加热结束条件时，将所述辅助换热器中的所述洗涤水排出，包括：
    获取所述辅助换热器加热所述相变材料的加热时长；
    如果所述加热时长等于预先设定的加热时长阈值，将所述辅助换热器中的所述洗涤水排出。
  12. 一种计算机设备，其特征在于，所述计算机设备包括处理器和存储器，所述存储器中存储有至少一条指令，所述至少一条指令由所述处理器加载并执行以实现如权利要求1至权利要求11任一项所述的控制洗碗机的方法所执行的操作。
  13. 一种计算机可读存储介质，其特征在于，所述存储介质中存储有至少一条指令，所述至少一条指令由处理器加载并执行以实现如权利要求1至权利要求11任一项所述的控制洗碗机的方法所执行的操作。
PCT/CN2023/108107 2022-10-13 2023-07-19 控制洗碗机的方法、设备和存储介质 WO2024078083A1 (zh)

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