WO2023136446A1 - Dispositif de cuisson et son procédé de commande - Google Patents

Dispositif de cuisson et son procédé de commande Download PDF

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Publication number
WO2023136446A1
WO2023136446A1 PCT/KR2022/018023 KR2022018023W WO2023136446A1 WO 2023136446 A1 WO2023136446 A1 WO 2023136446A1 KR 2022018023 W KR2022018023 W KR 2022018023W WO 2023136446 A1 WO2023136446 A1 WO 2023136446A1
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WO
WIPO (PCT)
Prior art keywords
probe
cooking
temperature
mode
control unit
Prior art date
Application number
PCT/KR2022/018023
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English (en)
Korean (ko)
Inventor
김경민
김동욱
김경환
박종호
장환
Original Assignee
삼성전자주식회사
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Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of WO2023136446A1 publication Critical patent/WO2023136446A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J2202/00—Devices having temperature indicating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/06—Cook-top or cookware capable of communicating with each other

Definitions

  • the disclosed invention relates to a cooking device connected to a probe for sensing a temperature of food and a method for controlling the same.
  • An induction heating cooking appliance is a cooking appliance that heats and cooks a cooking vessel using the principle of induction heating.
  • the induction heating cooking appliance may include a cooking table on which a cooking vessel is placed, and an induction heating coil generating a magnetic field when current is applied.
  • the convenience of cooking activities can be provided by providing various services (eg, recipe information) necessary in the kitchen to users, and furthermore, the cooking appliance can provide an automatic cooking function together with a separate temperature sensor.
  • various services eg, recipe information
  • the cooking appliance can provide an automatic cooking function together with a separate temperature sensor.
  • the above-described temperature sensor may be mounted on a cooking vessel to provide temperature information of food during a cooking process. In order for the temperature sensor to provide accurate temperature information, it needs to be properly mounted on the cooking container and make sufficient contact with the food.
  • the temperature sensor should continuously provide temperature information to the cooking appliance until the cooking process ends. If the battery of the temperature sensor is discharged while cooking is in progress, the cooking device cannot sufficiently perform an automatic cooking function because temperature information is not provided.
  • One aspect of the disclosed invention is to provide an automatic cooking function through a probe connected to a cooking device and providing temperature information.
  • a cooking device includes a cooking plate on which a cooking vessel is positioned; an induction heating coil installed below the cooking plate and generating a magnetic field; a driving unit supplying driving power to the induction heating coil; a communication unit that is mounted on the cooking vessel and communicates with a probe that obtains the temperature of the food; and a control unit configured to adjust power output from the driving unit, wherein the control unit receives a charge amount of a battery of the probe and generates a control command for changing a data transmission period of the probe based on the charge amount of the battery; Controls the communication unit to transmit the generated control command to the probe.
  • the control unit may generate a control command to increase the data transmission period when the charge amount of the battery of the probe is less than a predetermined ratio.
  • the communication unit may receive probe data including at least one of a temperature of food contained in the cooking vessel, a battery charge amount of the probe, and an internal temperature of the probe.
  • the probe includes a first mode for transmitting the probe data according to a first period and a second mode for transmitting the probe data according to a second period longer than the first period.
  • control unit may generate a message indicating that the probe is unavailable.
  • control unit may detect a mounting state of the probe.
  • the control unit may receive the temperature acquired by the probe, and detect a mounting state of the probe with respect to the cooking vessel based on a change in the temperature.
  • the control unit may generate a message informing of the mounting state of the probe when the probe is in an unmounted state or a disengaged state.
  • the control unit controls the driving unit so that power output from the driving unit is reduced when the probe is in an unmounted state or a separation state.
  • the control unit may end the cooking mode using a probe when a user's confirmation input for the message is not detected.
  • a method for controlling a cooking apparatus includes performing communication with a probe mounted on a cooking vessel to obtain a temperature of food, and receiving a battery charge amount of the probe; generating a control command for changing a data transmission period of the probe based on the battery charge amount; and transmitting the generated control command to the probe.
  • Transmitting the generated control command to the probe may include generating a control command to increase the data transmission period when the charge amount of the battery of the probe is less than a predetermined ratio.
  • Receiving the battery charge amount of the probe may include receiving probe data including at least one of a temperature of food contained in the cooking vessel, a battery charge amount of the probe, and an internal temperature of the probe.
  • the probe includes a first mode for transmitting the probe data according to a first period and a second mode for transmitting the probe data according to a second period longer than the first period.
  • the control method of the cooking apparatus may further include generating a message informing that the use of the probe is unavailable when the probe cannot perform both the first mode and the second mode. .
  • the control method of the cooking apparatus may further include detecting a mounting state of the probe when the probe is operated according to one of the first mode and the second mode.
  • the sensing of the mounting state of the probe may include receiving a temperature acquired by the probe and detecting a mounting state of the probe with respect to the cooking vessel based on a change in the temperature.
  • the control method of the cooking apparatus may further include generating a message informing of the mounting state of the probe when the probe is in an unmounted state or a disengaged state.
  • the control method of the cooking apparatus may further include controlling the driving unit so that power output from the driving unit of the cooking apparatus is reduced when the probe is in an unmounted state or a disengaged state.
  • the control method of the cooking apparatus may further include terminating a cooking mode using a probe when a user's confirmation input for the message is not detected.
  • the automatic cooking function using the probe when the automatic cooking function using the probe is performed, it is possible to improve the completeness of cooking and prevent safety accidents due to the probe not being installed or being separated by determining whether the probe is not attached or detached.
  • the operation of the probe may be maintained until the automatic cooking function is terminated.
  • FIG. 1 illustrates appearances of a cooking device and a probe kit according to an embodiment.
  • FIG 2 shows a probe mounted on a cooking vessel according to one embodiment.
  • FIG 3 shows the interior of a cooking device according to one embodiment.
  • FIG. 4 illustrates a method of heating a cooking vessel by a cooking device according to an embodiment.
  • FIG. 5 is a control block diagram of a cooking device according to an embodiment.
  • FIG. 6 is a control block diagram of a probe according to an exemplary embodiment.
  • FIG. 7 is a flowchart of a method of controlling a cooking device according to an exemplary embodiment.
  • FIG. 8 illustrates an interface in a probe pairing process according to an embodiment.
  • FIG. 9 is a flowchart of a process of proceeding in an efficiency mode of a probe according to an embodiment.
  • FIG. 11 is a flow chart of a process of detecting mounting/dismounting of a probe according to an exemplary embodiment.
  • FIG. 12 illustrates an interface according to a user input when a probe is not mounted or separated, according to an embodiment.
  • the identification code is used for convenience of description, and the identification code does not explain the order of each step, and each step may be performed in a different order from the specified order unless a specific order is clearly described in context. there is.
  • FIG. 1 shows the appearance of a cooking device and a probe kit according to an embodiment
  • FIG. 2 shows a probe mounted in a cooking container according to an embodiment
  • FIG. 3 shows the inside of the cooking device according to an embodiment.
  • FIG. 4 illustrates a method of heating a cooking vessel by a cooking device according to an embodiment.
  • the cooking device 100 forms the exterior of the cooking device 100 and includes a main body 101 in which various parts constituting the cooking device 100 are installed. can include
  • a cooking plate 102 having a flat plate shape on which the cooking container 1 can be placed may be provided on the upper surface 101a of the main body 101 .
  • the cooking plate 102 may be made of a reinforced oil such as ceramic glass so as not to be easily damaged.
  • a user interface 120 may be provided on one side of the cooking plate 102 to receive a control command from a user and display operation information of the cooking device 100 to the user.
  • the location of the user interface 120 is not limited to the cooking plate 102, and may be provided at various locations such as the front side 101b and/or side 101c of the main body 101.
  • the cooking device 100 may communicate with the probe 200 mounted on the cooking container 1 to measure the temperature of food.
  • the probe 200 is mounted on the cooking vessel 1, and one end of the probe 200 may contact the food to measure the temperature of the food.
  • the probe 200 may be configured as a set with the charging device 202 that performs battery charging, and the probe 200 may be accommodated in the charging device 202 to store and simultaneously charge the battery.
  • the cooking device 100 may transmit and receive data with the probe 200 through various communication methods.
  • the cooking device 100 and the probe 200 may include at least one of radio frequency (RF), infrared communication, Wi-Fi, Bluetooth, Zigbee, or Near Field Communication (NFC). may be applied.
  • RF radio frequency
  • Wi-Fi Wi-Fi
  • Bluetooth Zigbee
  • NFC Near Field Communication
  • a separate button 204 is provided on the probe 200 so that pairing with the cooking device 100 can be performed through a user input to the button 204 .
  • a heating layer 200 may be provided.
  • Each of the plurality of induction heating coils 201 may generate a magnetic field and/or an electromagnetic field for heating the cooking vessel 1 .
  • a magnetic field B may be induced around the induction heating coil 201 as shown in FIG. 3 .
  • a current whose size and direction changes with time that is, an alternating current
  • a magnetic field B whose size and direction changes with time around the induction heating coil 201 can be induced.
  • the magnetic field B around the induction heating coil 201 can pass through the tempered glass cooking plate 102 and reach the cooking vessel 1 placed on the cooking plate 102 .
  • An eddy current (EI) rotating around the magnetic field B may be generated in the cooking container 1 due to the magnetic field B, whose size and direction change with time.
  • EI eddy current
  • Electric resistance heat may be generated in the cooking container 1 due to the eddy current EI.
  • Electrical resistance heat is heat generated in a resistor when a current flows through it, and is also called Joule heat.
  • the cooking vessel 1 is heated by the electric resistance heat, and food contained in the cooking vessel 1 may be heated.
  • each of the plurality of induction heating coils 201 may heat the cooking vessel 1 by using electromagnetic induction and electrical resistance heat.
  • a plurality of induction heating coils 201 may be arranged in a predetermined pattern under the cooking plate 102 .
  • a plurality of induction heating coils 201 may be arranged like a matrix by matching columns and rows.
  • the plurality of induction heating coils 201 may be disposed at predetermined intervals from the front to the rear of the body 101 and may be disposed at predetermined intervals from the right side of the body 101 to the left.
  • the arrangement of the plurality of induction heating coils 201 is not limited to that shown in FIG. 3, and the plurality of induction heating coils 201 may be arranged in various forms.
  • the plurality of induction heating coils 201 may be arranged in a honeycomb shape such that a distance between the induction heating coils 201 is minimized.
  • a main assembly 250 implementing the user interface 120 may be provided below the user interface 120 provided on one side of the cooking plate 102 .
  • the main assembly 250 includes a display, a switch element, an integrated circuit element, etc. for implementing the user interface 120, and a printed circuit board (PCB) on which they are installed (Printed Board Assembly, PBA). ) can be.
  • PCB printed circuit board
  • the location of the main assembly 250 is not limited to that shown in FIG. 3 and may be arranged in various locations.
  • the main assembly 250 may be disposed behind the front surface 101b of the main body 101 separately from the heating layer 200.
  • the driving layer 300 includes a plurality of printed board assemblies 311, 321, 322, 331, 332 implementing a circuit for supplying driving current to the plurality of induction heating coils 201. ) can be provided.
  • the driving layer 300 may include a plurality of printed board assemblies 311 , 321 , 322 , 331 and 332 , and the plurality of printed board assemblies 311 , 321 , 322 , 331 and 332 ) may each include a switch element for supplying driving current, an integrated circuit element, and the like, and a printed circuit board on which they are installed.
  • the plurality of printed board assemblies 311, 321, 322, 331, and 332 detect the presence of the cooking vessel 1 and the sub-assembly 311 in which a sensing circuit for detecting the temperature of the cooking vessel 1 is installed.
  • drive assemblies 321 and 322 provided with drive circuits for supplying drive current to the plurality of induction heating coils 201, and power supply assemblies 331 and 332 provided with power circuits for supplying power to the drive circuits.
  • the sensing circuit, the driving circuit, and the power supply circuit are respectively installed in separate printed board assemblies, assembly quality may be improved in the manufacturing process of the cooking apparatus 100 .
  • the sensing circuit, the driving circuit, and the power supply circuit are respectively connected to the sub-assembly 311, the driving assemblies 321 and 322, and the power supply. Installation to the assemblies 331 and 332 facilitates the fabrication of printed board assemblies. In addition, it is easier to assemble a plurality of small-sized printed board assemblies to the main body than assembling large printed board assemblies to the main body.
  • the sensing circuit, the driving circuit, and the power circuit are installed in separate printed board assemblies. In other words, even if a defect occurs in any one of the printed board assemblies, the defective printed board assembly may be selectively replaced.
  • the sensing circuit By installing the sensing circuit, the driving circuit, and the power supply circuit in separate printed board assemblies, interference between the circuits can be reduced. For example, since the sensing circuit is spatially separated from a power supply circuit that supplies AC power, noise from the power supply circuit to the sensing circuit can be significantly reduced.
  • the cooking device 100 includes a plurality of induction heating coils 201 . (According to the example shown in FIG. 2, there are 44 induction heating coils.) Therefore, it may not be efficient to supply driving current to all the induction heating coils 201 using one driving circuit.
  • the cooking apparatus 100 may include a plurality of driving circuits, and the plurality of driving circuits may be installed in the plurality of driving assemblies 321 and 322 .
  • the plurality of driving circuits may be installed in the plurality of driving assemblies 321 and 322 .
  • two driving circuits may be respectively installed in the two driving assemblies 321 and 322 .
  • the number of induction heating coils 201 (according to the example shown in FIG. 2, the number of induction heating coils is 44) is the number of drive assemblies 321 and 322 (according to the example shown in FIG. 2, the number of drive assemblies is two). ) more than
  • the induction heating coil 201 can be divided into groups of the number of drive assemblies 321 and 322 .
  • the cooking apparatus 100 may divide the induction heating coils 201 into two groups so that the two driving assemblies 321 and 322 supply driving current to the 44 induction heating coils 201.
  • the cooking device 100 determines the induction heating coil overlapping the cooking vessel 1, that is, the induction heating coil overlapping the cooking vessel 1, and divides the induction heating coil overlapping the cooking vessel 1 into two can be divided into groups.
  • the two driving assemblies 321 and 322 may respectively drive the induction heating coils 201 belonging to the two groups.
  • the number of driving assemblies and the number of groups are not limited to those shown in FIG. 3 , and the number of driving assemblies and the number of groups are the number of induction heating coils, the size of the cooking device 100, and the size of elements constituting the driving circuit. , the size of the drive current supplied to each of the induction heating coils, the size of the current that each drive assembly can output, and the like.
  • the driving circuit may be installed in six or eight driving assemblies, respectively.
  • the driving assemblies 321 and 322 may be disposed on both sides of the sub-assembly 311 as the center.
  • the first driving assembly 321 may be disposed on the left side of the sub assembly 311 and the second driving assembly 322 may be disposed on the right side of the sub assembly 311 .
  • the power circuit may be installed in two power assemblies 331 and 332 .
  • Two power assemblies 331 and 332 may be provided on both sides of the driving assemblies 321 and 322 to supply AC power to the driving assemblies 321 and 322 disposed on both sides of the subassembly 311, respectively.
  • the first power assembly 331 may be provided on a side surface of the first driving assembly 321
  • the second power supply assembly 332 may be provided on a side surface of the second driving assembly 322 .
  • the cooking apparatus 100 includes a plurality of induction heating coils 201 for heating the cooking vessel 1, a sensing circuit for supplying a drive current to the induction heating coil 201, a drive circuit, and A power circuit may be included.
  • the sensing circuit, the driving circuit, and the power circuit may be installed on a plurality of printed board assemblies 311, 321, 322, 331, and 332 separated from each other.
  • the sensing circuit, the driving circuit, and the power supply circuit are installed in the plurality of printed board assemblies 311, 321, 322, 331, and 332, the printed board assemblies 311, 321, 322, 331, and 332 are manufactured and assembled. This becomes easy, and productivity of the cooking device 100 can be improved.
  • the cooking apparatus 100 includes a plurality of induction heating coils 201, a user interface 120, a vessel detector 130, a temperature detector 140, a first drive unit 150, It includes a second driving unit 160, a control unit 110 and a communication unit 170.
  • the probe 200 performing wireless communication with the cooking device 100 includes a probe temperature sensor 210 , a probe control unit 220 , a probe communication unit 230 and a battery 240 .
  • the plurality of induction heating coils 201 may generate a magnetic field and/or an electromagnetic field for heating the cooking vessel 1 as described above.
  • the user interface 120 includes a touch screen 121 that receives a touch input from a user and displays an image related to the operation of the cooking apparatus 100 in response to the user's touch input, and an input button that receives a control command from the user ( 122) may be included.
  • the touch screen 121 may include a touch panel that receives a touch input from a user, a display panel that displays an image related to the operation of the cooking device 100, and a touch screen controller that controls the operation of the touch panel and the display panel.
  • the touch screen 121 may display an image related to the operation of the cooking device 100 and output a user's touch input to the controller 110 .
  • information on the operation of the cooking device 100 may be received from the control unit 110 and an image corresponding to the received information may be displayed.
  • the input button 122 may include a plurality of buttons that receive a predetermined control command from a user and output an electrical signal corresponding to the user's control command to the control unit 110 .
  • the input button 122 may include an operation button for receiving a power on/off command of the cooking device 100, a power-up button for receiving the strength of a magnetic field and/or an electromagnetic field output from the cooking device 100, and a power A down button may be included.
  • the input button 122 may be implemented as a button (or switch) in various forms such as a push button, a slide button, a toggle button, a touch button, and a dial.
  • the user interface 120 may receive a control command from a user and output an electrical signal corresponding to the user's control command to the control unit 110 . Also, the user interface 120 may receive information about the operation of the cooking device 100 from the controller 110 and display an image corresponding to the information about the operation of the cooking device 100 .
  • the user interface 120 may display a message indicating a process for performing pairing between the cooking device 100 and the probe 200 on the touch screen 121 .
  • the user interface 120 may display an image for indicating the battery charge amount of the probe 200 on the touch screen 121 .
  • the user interface 120 may display a message indicating a mounting state of the probe 200 with respect to the cooking container 1 on the touch screen 121, and information about the mounting state A message asking for user confirmation may be displayed on the touch screen 121 .
  • the vessel detection unit 130 may detect the position of the cooking vessel 1 placed on the cooking plate 102 .
  • the cooking vessel 1 can be positioned anywhere on the cooking plate 102 .
  • the cooking device 100 may detect the position of the cooking vessel 1 on the cooking plate 102 and selectively operate the induction heating coil 201 corresponding to the position of the cooking vessel 1. .
  • the container detection unit 130 processes the output of the plurality of container sensors 131 and the container sensor 131 for detecting the position of the cooking container 1 and transmits information about the position of the cooking container 1 to the control unit 110.
  • the container detection unit 130 may include a container detection circuit 132 outputting to.
  • the vessel sensor 131 may include a capacitive sensor for detecting the cooking vessel 1 . Specifically, the vessel sensor 131 may detect a change in capacitance of the cooking vessel 1 .
  • the container sensor 131 is not limited to a capacitive sensor, and may include various sensors capable of detecting the cooking container 1 placed on the cooking plate 102, such as an infrared sensor, a weight sensor, a micro switch, and a membrane switch. can
  • the vessel sensor 131 may output information about detection of the cooking vessel 1 to the vessel detection circuit 132 .
  • the container detection circuit 132 receives the detection result of the cooking container 1 from the plurality of container sensors 131, and according to the detection result, the position where the cooking container 1 is placed, that is, the cooking container 1 overlaps with the induction. You can judge the heating coil.
  • the container detection circuit 132 includes a multiplexer for sequentially receiving detection results from a plurality of container sensors 131 (44 in the example shown in FIG. 2 ) and a plurality of container sensors 131 A microprocessor for processing detection results may be included.
  • the container detection circuit 132 may output container position data obtained by processing detection results of the plurality of container sensors 131 to the controller 110 .
  • the vessel detector 130 may determine whether the induction heating coil 201 overlaps with the cooking vessel 1, and may output a detection result to the controller 110.
  • the control unit 110 may display the location of the cooking vessel 1 on the user interface 120 based on the detection result of the vessel detection unit 130 .
  • the vessel detection unit 131 may be omitted, and the controller 110 may directly determine the induction heating coil overlapping with the cooking vessel 1 .
  • the temperature sensor 140 may detect the temperature of the cooking vessel 1 placed on the cooking plate 102 .
  • the cooking vessel 1 is heated by the induction heating coil 201 and may be overheated depending on the material. Therefore, for safe operation, the cooking device 100 detects the temperature of the cooking vessel 1 placed on the cooking plate 102, and when the cooking vessel 1 is overheated, the operation of the induction heating coil 201 can be blocked. .
  • the temperature sensor 140 includes a plurality of temperature sensors 141 for detecting the temperature of the cooking vessel 1, processes the output of the temperature sensor 141, and transmits information about the position of the cooking vessel 1 to the control unit. 110) may include a temperature sensing circuit 142 output.
  • Each of the plurality of temperature sensors 141 is installed near the plurality of induction heating coils 201 and can measure the temperature of the cooking vessel 1 heated by the induction heating coils 201 .
  • the temperature sensor 141 may include a thermistor whose electrical resistance changes according to temperature.
  • the temperature sensor 141 may output a signal indicating the temperature of the cooking vessel 1 (a signal indicating the temperature of the cooking vessel or a signal indicating the temperature of the cooking plate) to the temperature sensing circuit 142 .
  • the temperature sensing circuit 142 may receive signals indicating the temperature of the cooking vessel 1 from the plurality of temperature sensors 141 and determine the temperature of the cooking vessel 1 from the received signals.
  • the temperature sensing circuit 142 includes a multiplexer for sequentially receiving signals representing temperature from a plurality of temperature sensors 141 (44 in the example shown in FIG. 3), and a signal representing temperature as digital temperature data. It may include an analog-digital converter (ADC) that converts.
  • ADC analog-digital converter
  • the temperature sensing circuit 142 may process signals indicating the temperature of the cooking vessel 1 output from the plurality of temperature sensors 141 and output temperature data to the controller 110 .
  • the temperature sensor 140 may detect the temperature of the cooking container 1 and output the detection result to the control unit 110 .
  • the control unit 110 may determine whether the cooking vessel 1 is overheated based on the detection result of the temperature sensor 140, and stop heating the cooking vessel 1 when overheating of the cooking vessel 1 is determined. there is.
  • the first and second driving units 150 and 160 may receive power from an external power source and supply current to the induction heating coil 201 according to a driving control signal from the control unit 110 .
  • the communication unit 170 may communicate with the probe 200 .
  • the communication unit 170 may be implemented with various wireless communication technologies. For example, at least one of Radio Frequency (RF), infrared communication, Wi-Fi, Bluetooth, Zigbee, or Near Field Communication (NFC) may be applied to the communication unit 170 .
  • RF Radio Frequency
  • Wi-Fi Wireless Fidelity
  • Bluetooth Wireless Fidelity
  • Zigbee Bluetooth
  • NFC Near Field Communication
  • the communication unit 170 may be a Bluetooth module.
  • the probe temperature sensor 210 is positioned on one end of the probe 200 so as to measure the temperature of the food when the probe temperature sensor 210 is placed in the cooking container 1 and comes into contact with the food. can In addition, the probe temperature sensor 210 may measure the external temperature or measure the temperature due to heat generated in the cooking container 1 when it is not in contact with food.
  • the probe temperature sensor 210 is provided with a plurality of temperature sensors and can measure the internal temperature of the probe itself in addition to the various temperatures described above.
  • the probe temperature sensor 210 provides the cooking appliance 1 with the internal temperature of the probe 200 so that a message notifying when the probe 200 is overheated can be provided through the touch screen 121 (FIG. 5). .
  • the probe temperature sensor 210 may provide probe data including at least one of the temperature of food contained in the cooking container 1, the external temperature, and the internal temperature of the probe 200.
  • the probe data is data including information about the probe 200 and may further include a battery charge amount of the probe 200 to be described later.
  • the probe data is transmitted to the cooking device 100 according to a predetermined data transmission cycle.
  • the probe temperature sensor 210 may include a thermistor whose electrical resistance changes according to temperature.
  • the probe controller 220 obtains probe data from the probe temperature sensor 210 and the battery 240 and controls the probe communication unit 230 to transmit the probe data to the cooking device 100 . Also, the probe control unit 220 may change the transmission period of probe data based on a control command received from the communication unit 170 of the cooking apparatus 100 .
  • the probe communication unit 230 may communicate with the communication unit 170 of the cooking device 100 to transmit/receive data.
  • the probe communication unit 230 may be implemented with various wireless communication technologies. For example, at least one of Radio Frequency (RF), infrared communication, Wi-Fi, Bluetooth, Zigbee, or Near Field Communication (NFC) may be applied to the communication unit 440 .
  • RF Radio Frequency
  • Wi-Fi Wireless Fidelity
  • Bluetooth Wireless Fidelity
  • NFC Near Field Communication
  • the probe communication unit 230 may be a Bluetooth module.
  • the battery 240 is a power source for driving various elements of the probe 200 .
  • the battery 240 may supply current to the probe temperature sensor 210 , the probe control unit 220 , and the probe communication unit 230 .
  • the battery 240 may be charged by the probe 200 and the detachable charging device 202 (FIG. 1).
  • the charging device 202 converts external power to suit the battery 240 and supplies it.
  • the charging device 202 may display the battery charge amount on the exterior through various methods according to the charge amount of the battery 240 .
  • each component constituting the cooking device 100 and the probe 200 and the operation of each component have been described.
  • a method of managing the battery 240 of the probe 200 during a cooking process based on the above-described configuration and a method of detecting a mounting state of the probe 200 with respect to the cooking container 1 will be described in detail.
  • FIG. 7 is a flowchart of a method of controlling a cooking device according to an exemplary embodiment.
  • the controller 110 checks whether the cooking that the user intends to proceed is cooking using the probe 200 (701).
  • the cooking apparatus 100 acquires the temperature of the food from the probe 200, thereby providing the user with the actual temperature of the food and at the same time controlling the temperature applied to the food according to the current temperature of the food. can do.
  • a user mounts the probe 200 on the cooking container 1 as shown in FIG. 2 so that one end of the probe 200 can directly contact the food.
  • Cooking using the probe 200 may be determined according to a user's input. Various processes for appropriately heating food are stored in the cooking device 100 so that a user can select an appropriate cooking process. At this time, whether cooking using the probe 200 may be determined based on a user input or a separation state of the probe 200 .
  • the controller 110 checks whether the probe 200 is paired with the cooking device 100 (702). If the probe 200 is not in a paired state, the user is guided to perform pairing through the user interface 120 .
  • the controller 110 provides a pairing progress guide through the user interface 120 (708). For example, referring to FIG. 8 , the controller 110 controls the touch screen 121 to display a message for pairing the probe 200 with the cooking device 100 . At this time, the user can complete pairing by pressing the pairing button 204 (FIG. 1) provided on the probe 200.
  • the controller 110 determines whether the probe 200 is separated from the charging device 202 (FIG. 1) (703).
  • the controller 110 checks the battery charge amount of the probe 200 (704) and determines whether cooking is possible in the high-performance mode (705). In the disclosed invention, the cooking apparatus 100 may determine whether to cook in a high performance mode or an efficiency mode according to the battery charge amount of the probe 200 .
  • the high-performance mode sets the data transmission cycle, which is the frequency at which the probe 200 transmits information for cooking, etc. to the cooking device 100 as shortest as possible so that the user can accurately check the temperature change of the food,
  • the degree of heating of the cooking device 100 according to temperature change can be finely adjusted.
  • the cooking data transmission cycle is short, resulting in increased battery consumption of the probe 200.
  • the disclosed invention adds an efficiency mode to the probe 200 .
  • the data transmission period of the probe 200 is set relatively long, so that the frequency of providing information is low, but data transmission of the probe 200 can be prevented from being interrupted during the cooking process.
  • the controller 110 proceeds with cooking according to the efficiency mode (706).
  • the controller 110 detects the mounting state of the probe 200 with respect to the cooking vessel 1 (707).
  • the control unit 110 receives the charge amount of the battery of the probe 200, generates a control command for changing the probe data transmission/reception cycle based on the charge amount of the battery, and transmits the generated control command to the probe 200. Controls the communication unit 170 to do so. Upon receiving the control command, the probe 200 transmits data according to a period longer than the basic data transmission/reception period.
  • the controller 110 generates a control command to increase a data transmission/reception period when the charge amount of the battery of the probe 200 is less than a predetermined ratio.
  • the data transmission/reception period may be determined according to the current battery charge amount.
  • the controller 110 controls the probe 200 so that the data transmission/reception cycle becomes longer as the current battery charge decreases.
  • the controller 110 may control the probe 200 according to the data transmission/reception cycle stored in the memory 111 .
  • Data transmission/reception cycles according to the high performance mode, the efficiency mode, and the high efficiency mode may be stored in the memory 11 .
  • FIG. 9 is a flowchart illustrating a process of a probe in an efficiency mode according to an exemplary embodiment, and FIG. 10 illustrates a possible operating time for each remaining battery capacity of the probe in an efficiency mode.
  • the cooking apparatus 100 may further include a high efficiency mode in addition to the efficiency mode.
  • the high efficiency mode is a mode that is activated when the battery charge is very low, and refers to a mode that lowers the data transmission/reception cycle in all sections during the cooking process (see FIG. 10).
  • the controller 110 checks the battery charge of the probe 200, determines whether cooking is possible based on the efficiency mode (901), and selects the efficiency mode when the probe 200 has sufficient battery charge to perform the efficiency mode. Executed (903), and the mounting state of the probe 200 is detected (905)
  • the controller 110 executes the high-efficiency mode when the probe 200 has sufficient battery charge to perform the high-efficiency mode (904), and detects the mounting state of the probe 200 (905).
  • the controller 110 controls the touch screen 121 to notify that the probe cannot be used (906).
  • the data transmission period of the probe 200 may be increased in the basic setting (high performance mode) according to the mode according to the amount of charge of the battery.
  • the data transmission period is determined to be 1 second, and the probe 200 provides probe data to the cooking device 100 every second.
  • the data transmission period may have a different value for each time period.
  • the efficiency mode may be set to 2 seconds in the heating power increase section and 5 seconds (8 seconds in the high efficiency mode) in the temperature maintenance section.
  • the degree of completeness of cooking may be improved by checking the temperature of the food more in a section where the temperature changes than in a section where the temperature is kept constant.
  • FIG. 11 is a flowchart illustrating a process of detecting attachment/detachment of a probe according to an embodiment
  • FIG. 12 illustrates an interface according to a user input when a probe is not mounted or detached according to an embodiment.
  • the controller 110 detects separation between the probe 200 and the charging device 202 (1101).
  • the probe 200 may be mounted on the cooking container 1 or positioned around the cooking device 100 . That is, the probe 200 is in a normal mounting state accurately mounted on the cooking vessel 1 after being separated from the charging device 202, an unmounted state in which it is not mounted on the cooking vessel 1 at all, and a cooking vessel 1. It may include a disengagement state in which food has been fermented but not properly contacted with food.
  • the control unit 110 may receive the temperature obtained by the probe 200 and check the mounting state of the probe 200 with respect to the cooking container 1 based on the temperature change.
  • the controller 110 may determine that the probe 200 is not mounted when the temperature obtained from the probe 200 does not rise by 3° C. or more within a predetermined time. In addition, the controller 110 may determine that the probe 200 is detached when the temperature obtained from the probe 200 is lowered by a predetermined rate or more for a predetermined time period.
  • controller 110 When the controller 110 detects that the probe 200 is not mounted on the cooking vessel 1 at all (1102), it notifies the probe 200 and/or adjusts the output power (1103).
  • the controller 110 controls the touch screen 121 to display a message prompting the user to mount the probe 200 on the cooking container 1 .
  • the controller 110 reconfirms whether the probe 200 is mounted on the cooking vessel 1.
  • controller 110 detects that the probe 200 is mounted on the cooking container 1 (1102), it detects whether the probe 200 is separated (1105).
  • control unit 110 performs an unloaded notification and/or adjusts the output power (1107).
  • the control unit 110 controls the driving unit so that the power output from the driving unit decreases when the probe 200 is in an unmounted state or in a disengaged state.
  • the control unit 110 outputs a message for the user to confirm separation of the probe 200 .
  • the user manually manipulates the probe 200 so that the probe 200 can accurately contact the food.
  • the controller 110 continues cooking when it detects the user's confirmation input (OK button) in response to this message.
  • OK button the user's confirmation input
  • the user confirms the separation of the probe 200 and presses the OK button to restart cooking using the probe a temperature change is detected based on the current temperature. This is because the change in temperature is relatively large when based on the previous temperature, so it can be determined as deviation again.
  • the controller 110 ends the cooking mode using the probe.
  • the disclosed embodiments may be implemented in the form of a recording medium storing instructions executable by a computer. Instructions may be stored in the form of program codes, and when executed by a processor, create program modules to perform operations of the disclosed embodiments.
  • the recording medium may be implemented as a computer-readable recording medium.
  • Computer-readable recording media include all types of recording media in which instructions that can be decoded by a computer are stored. For example, there may be read only memory (ROM), random access memory (RAM), a magnetic tape, a magnetic disk, a flash memory, an optical data storage device, and the like.
  • ROM read only memory
  • RAM random access memory
  • magnetic tape a magnetic tape
  • magnetic disk a magnetic disk
  • flash memory an optical data storage device
  • the device-readable recording medium may be provided in the form of a non-transitory recording medium.
  • 'non-temporary recording medium' only means that it is a tangible device and does not contain signals (e.g., electromagnetic waves), and this term refers to the case where data is stored semi-permanently on a recording medium and temporary It does not discriminate if it is saved as .
  • a 'non-temporary recording medium' may include a buffer in which data is temporarily stored.
  • the method according to various embodiments disclosed in this document may be provided by being included in a computer program product.
  • Computer program products may be traded between sellers and buyers as commodities.
  • a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smartphones.
  • a part of a computer program product eg, a downloadable app
  • a device-readable storage medium such as a memory of a manufacturer's server, an application store's server, or a relay server. It can be temporarily stored or created temporarily.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Induction Heating Cooking Devices (AREA)

Abstract

Un dispositif de cuisson selon un aspect divulgué comprend : une plaque de cuisson sur laquelle un récipient de cuisson est positionné ; une bobine de chauffage par induction, qui est disposée sous la plaque de cuisson et génère un champ magnétique ; une unité d'entraînement pour fournir une puissance d'entraînement à la bobine de chauffage par induction ; une unité de communication pour communiquer avec une sonde maintenue sur le récipient de cuisson de façon à acquérir la température des aliments ; et une unité de commande pour ajuster la puissance délivrée par l'unité d'entraînement, l'unité de commande recevant la quantité de charge de batterie de la sonde, générant, sur la base de la quantité de charge de batterie, une instruction de commande pour changer le cycle de transmission de données de la sonde, et commandant l'unité de communication de façon à transmettre l'instruction de commande générée à la sonde.
PCT/KR2022/018023 2022-01-13 2022-11-15 Dispositif de cuisson et son procédé de commande WO2023136446A1 (fr)

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KR1020220005100A KR20230109299A (ko) 2022-01-13 2022-01-13 조리 장치 및 그 제어 방법
KR10-2022-0005100 2022-01-13

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009133501A (ja) * 2007-11-28 2009-06-18 Toshiba Corp 温度検出ユニット
JP2016125992A (ja) * 2015-01-08 2016-07-11 三菱電機株式会社 温度センサプローブ、給電装置、及び加熱調理器
US20170248474A1 (en) * 2014-10-14 2017-08-31 Nels Nielsen Wireless cooking thermometer
KR20200112302A (ko) * 2019-03-21 2020-10-05 엘지전자 주식회사 조리 보조 장치 및 조리 시스템
KR20210032719A (ko) * 2019-09-17 2021-03-25 디자인 주식회사 사물인터넷 배터리 디바이스 및 이의 통합 관리 플랫폼

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009133501A (ja) * 2007-11-28 2009-06-18 Toshiba Corp 温度検出ユニット
US20170248474A1 (en) * 2014-10-14 2017-08-31 Nels Nielsen Wireless cooking thermometer
JP2016125992A (ja) * 2015-01-08 2016-07-11 三菱電機株式会社 温度センサプローブ、給電装置、及び加熱調理器
KR20200112302A (ko) * 2019-03-21 2020-10-05 엘지전자 주식회사 조리 보조 장치 및 조리 시스템
KR20210032719A (ko) * 2019-09-17 2021-03-25 디자인 주식회사 사물인터넷 배터리 디바이스 및 이의 통합 관리 플랫폼

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