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WO2022143247A1 - Dispositif de chauffage électromagnétique et procédé et appareil de commande de la puissance de chauffage associés, et support d'enregistrement - Google Patents

Dispositif de chauffage électromagnétique et procédé et appareil de commande de la puissance de chauffage associés, et support d'enregistrement Download PDF

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Publication number
WO2022143247A1
WO2022143247A1 PCT/CN2021/139559 CN2021139559W WO2022143247A1 WO 2022143247 A1 WO2022143247 A1 WO 2022143247A1 CN 2021139559 W CN2021139559 W CN 2021139559W WO 2022143247 A1 WO2022143247 A1 WO 2022143247A1
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WO
WIPO (PCT)
Prior art keywords
heating
electromagnetic
units
cookware
pulse signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/139559
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English (en)
Chinese (zh)
Inventor
曾露添
朱成彬
雷俊
江德勇
刘文华
王云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Filing date
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Application filed by Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Publication of WO2022143247A1 publication Critical patent/WO2022143247A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety 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
    • H05B6/06—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
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • 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

Definitions

  • the present disclosure relates to the technical field of electromagnetic heating, and in particular, to a heating power control method for electromagnetic heating equipment, a computer-readable storage medium, an electromagnetic heating equipment, and a heating power control device for electromagnetic heating equipment.
  • the method for adjusting the heating power of an induction heater with multiple heating units forming one heating area is to first press the "heating unit” button, select the heating unit, and then press the "plus", “minus” button or adjust the "Fire Power Bar” to adjust the fire power. That is to say, the heating unit is selected first, and then the fire power is adjusted. Due to the large number of heating units, it is necessary to repeat the operation of selecting the heating unit and adjusting the fire power many times in the above process.
  • one object of the present disclosure is to provide a heating power control method for electromagnetic heating equipment, which can effectively reduce the user's operating burden on heating power, provide a more convenient cooking environment, and improve user experience.
  • a second object of the present disclosure is to propose a computer-readable storage medium.
  • a third object of the present disclosure is to propose an electromagnetic heating device.
  • the fourth object of the present disclosure is to provide a heating power control device for electromagnetic heating equipment.
  • the embodiment of the first aspect of the present disclosure provides a heating power control method for an electromagnetic heating device, wherein the electromagnetic heating device includes a plurality of heating units, and the plurality of heating units are regularly arranged at the same time. a heating area, and the heating power corresponding to the plurality of heating units changes according to a preset law, the heating power control method includes the following steps: after determining that the heating area is placed in the pot, detecting that the pot is in the the position of the heating zone; determine the heating unit that needs to perform resonance work according to the position of the cookware in the heating zone; control the heating unit that needs to perform the resonance work to perform the heating work, so as to adjust the heating power of the electromagnetic heating device .
  • the electromagnetic heating device of the embodiment of the present disclosure includes a plurality of heating units, wherein the plurality of heating units are regularly arranged in the same heating zone, and the heating power corresponding to the plurality of heating units changes according to a preset law.
  • the method for controlling the heating power of the electromagnetic heating device in this embodiment firstly determines that the pot is placed in the heating zone, detects the position of the pot in the heating zone, and then determines the heating unit that needs to perform resonance work according to the position of the pot in the heating zone. Control the heating unit that needs to perform resonance work to perform heating work, so as to adjust the heating power of the electromagnetic heating device. Therefore, the heating power control method of the electromagnetic heating device can effectively reduce the user's operating burden on the heating power, and at the same time, provide a more convenient cooking environment and improve user experience.
  • the plurality of heating units are arranged in the heating zone at equal intervals in the lateral or longitudinal direction.
  • the heating powers corresponding to the plurality of heating units vary according to any one of a monotonically increasing rule, a monotonically decreasing rule, a first-increase and then-decrease rule, and a first-decrease-and-increase rule.
  • determining that the cookware is placed in the heating area includes: controlling the plurality of heating units to perform resonant operation in sequence, and detecting the resonant current of the heating units performing the resonant operation; The resonant current of each heating unit generates a first pulse signal, and counts the first pulse signal; when the number of the first pulse signal when any one of the heating units performs resonant operation is less than the first preset value, determine The heating zone places the cookware.
  • detecting the position of the cookware in the heating zone includes: when each heating unit performs resonant operation, acquiring the heating in which the number of the first pulse signal is less than a first preset value The identification information of the unit; the position of the cookware in the heating zone is determined according to the identification information.
  • determining the heating area to place the cookware includes: controlling the plurality of heating units to perform resonance operation at the same time, and detecting the resonance current of the electromagnetic heating device; according to the resonance of the electromagnetic heating device The current generates a second pulse signal, and counts the second pulse signal; when the number of the second pulse signal is less than a second preset value, it is determined that the cookware is placed in the heating area.
  • detecting the position of the cookware in the heating zone includes: controlling the plurality of heating units to perform resonant operation in sequence, and detecting the resonant current of the heating unit performing the resonant operation; according to the The resonant current of each heating unit in the plurality of heating units generates a first pulse signal, and the first pulse signal is counted; the identification information of the heating unit whose number of the first pulse signal is less than the first preset value is acquired , and determine the position of the cookware in the heating zone according to the identification information.
  • the second aspect embodiment of the present disclosure proposes a computer-readable storage medium on which a heating power control program of an electromagnetic heating device is stored, and the heating power control program of the electromagnetic heating device is realized when executed by a processor The method for controlling the heating power of the electromagnetic heating device according to the above embodiments.
  • the processor executes the heating power control program of the electromagnetic heating device stored on the storage medium, which can effectively reduce the user's operating burden on the heating power and provide a more convenient cooking environment, Improve user experience.
  • an embodiment of the third aspect of the present disclosure proposes an electromagnetic heating device, which includes a memory, a processor, and a heating power control program of the electromagnetic heating device that is stored in the memory and can be run on the processor. , when the processor executes the heating power control program, the method for controlling the heating power of the electromagnetic heating device as described in the above embodiments is implemented.
  • the processor executes the heating power control program of the electromagnetic heating device stored in the memory, which can effectively reduce the user's operating burden on the heating power, provide a more convenient cooking environment, and improve user experience.
  • a fourth aspect of the present disclosure provides a heating power control device for an electromagnetic heating device.
  • the electromagnetic heating device includes a plurality of heating units, and the plurality of heating units are regularly arranged in the same heating unit. area, and the heating power corresponding to the plurality of heating units changes according to a preset rule, wherein the heating power control device includes: a detection module for detecting the pot after it is determined that the pot is placed in the heating area. the position of the device in the heating zone; the determining module is used to determine the heating unit that needs to perform resonance work according to the position of the cookware in the heating zone; the control module is used to control the heating unit that needs to perform resonance work Heating work is performed to adjust the heating power of the electromagnetic heating device.
  • the electromagnetic heating device of the embodiment of the present disclosure includes a plurality of heating units, the plurality of heating units are regularly arranged in the same heating area, and the heating power corresponding to the plurality of heating units changes according to a preset law.
  • the heating power control device in this embodiment includes a detection module, a determination module and a control module, wherein, after determining that the pot is placed in the heating zone, the detection module detects the position of the pot in the heating zone, and then uses the determination module to determine the position of the pot according to the position of the pot.
  • the position of the heating zone determines the heating unit that needs to perform resonance work, and finally the control module is used to control the heating unit that needs to perform resonance work to perform heating work, so as to adjust the heating power of the electromagnetic heating device. Therefore, the heating power control device of the electromagnetic heating device can effectively reduce the user's operating burden on the heating power, and at the same time, provide a more convenient cooking environment and improve user experience.
  • FIG. 1 is a flowchart of a method for controlling the heating power of an electromagnetic heating device according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a heating unit of an electromagnetic heating device according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a heating unit of an electromagnetic heating device according to another embodiment of the present disclosure.
  • FIG. 4 is a flow chart of determining a heating area for placing cookware according to a specific embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of each signal when no cookware is placed in the heating area according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of each signal when a cooker is placed in the heating area according to an embodiment of the present disclosure
  • FIG. 7 is a flow chart of determining a heating area for placing cookware according to another specific embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a pot placement state according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of the variation law of the heating power of the electromagnetic heating device according to a specific embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of the variation law of the heating power of the electromagnetic heating device according to another specific embodiment of the present disclosure.
  • FIG. 11 is a heating power control device of an electromagnetic heating apparatus according to an embodiment of the present disclosure.
  • FIG. 1 is a flowchart of a heating power control method of an electromagnetic heating device according to an embodiment of the present disclosure.
  • the electromagnetic heating device includes multiple (more than two) heating units, such as four, six, eight and so on. It can be understood that, as shown in FIG. 2 , the number of heating units of the electromagnetic heating device can determine the number of gears of the electromagnetic heating device. For example, the first heating unit 101 can reach the fire power P1, the second heating unit 102 can reach the fire power P2, And so on. It can be understood that the number of heating units of an electromagnetic heating device can be set according to the user's use environment or usage habits. For example, a small electromagnetic heating device used at home can control the number of heating units within eight, while The electromagnetic heating equipment used in business establishments such as restaurants can control the number of heating units to more than eight.
  • a plurality of heating units are regularly arranged in the same heating zone, and the heating power corresponding to the plurality of heating units changes according to a preset law.
  • the heating powers corresponding to the plurality of heating units may be changed according to any one of a monotonically increasing rule, a monotonically decreasing rule, a first increasing and then decreasing rule, and a first decreasing then increasing rule.
  • a plurality of heating units are arranged equidistantly in the heating zone in the lateral or longitudinal direction.
  • the cookware 200 can be placed on the heating area 100 , and the cookware 200 in this embodiment can be placed on two adjacent heating units, and the two heating units can simultaneously heat the cookware 200 . 200 for heating.
  • determining the heating area to place the cookware includes:
  • the first heating unit 101 the second heating unit 102 , . . .
  • the resonant current of the heating unit during resonant operation is a longitudinally arranged heating unit shown in FIG. 2 as an example for specific description.
  • S402 Generate a first pulse signal according to the resonant current of each heating unit in the plurality of heating units, and count the first pulse signal.
  • the first pulse signal is generated according to the resonant current, and the first pulse signal is counted.
  • W11 represents the resonant current signal
  • W10 represents the single-pulse pot detection signal sent by the controller
  • W12 is the first pulse signal generated according to the W11 signal.
  • the resonant current signal shown in Figure 5 is the electromagnetic heating
  • FIG. 6 is a schematic diagram of each signal when a pot is placed in the heating area according to an embodiment of the present disclosure.
  • the pot can consume energy, so the resonant current signal is weakened very fast, so that the number of first pulse signals is relatively small. Therefore, it can be judged according to the quantity of the first pulse signal whether or not a cooking utensil is placed in the heating area corresponding to the heating unit currently performing the resonance operation.
  • the first preset value can be set first, and optionally, the first preset value is 8. Therefore, after the number of the first pulse signals when the heating unit performs the resonant operation is obtained, the first pulse signal The number of signals is compared with the first preset value. If the number of the first pulse signals is less than 8, it is determined that there is a cookware placed in the heating area; if the number of the first pulse signals is greater than or equal to 8, it is determined that the heating area is not placed. cookware.
  • detecting the position of the cookware in the heating zone further includes: when each heating unit performs resonance operation, acquiring the identification information of the heating units whose number of the first pulse signals is less than the first preset value; according to the identification information Determine the position of the pan in the heating zone.
  • the position of the cookware mark of the current heating unit can also be set to be non-zero, which can be used as the identification information of the heating unit, and then the controller can use the mark according to the identification information.
  • the information determines the heating area where the pot is located; it is understandable that if the number of the first pulse signal is greater than or equal to the first preset value, then the position of the pot mark of the current heating unit is set to zero, which is also used as the mark of the heating unit information, and then the controller can determine, according to the identification information, that no cookware is placed in the heating area corresponding to the current heating unit.
  • determining the heating area to place the cookware includes:
  • S701 controlling multiple heating units to perform resonance operation at the same time, and detecting the resonance current of the electromagnetic heating device.
  • S702 Generate a second pulse signal according to the resonance current of the electromagnetic heating device, and count the second pulse signal.
  • S703 when the quantity of the second pulse signal is less than the second preset value, determine that the cookware is placed in the heating area.
  • this embodiment first controls a plurality of heating units to perform resonance operation at the same time, and then detects the resonance current on the electromagnetic heating device to generate a second pulse signal.
  • the second pulse signal can generally judge whether there is a cookware placed in the heating area of the electromagnetic heating device, and the specific judgment method can refer to the above-mentioned embodiment, which will not be repeated here.
  • detecting the position of the cookware in the heating zone includes: controlling a plurality of heating units to perform resonant operation in sequence, and detecting the resonant current of the heating unit performing the resonant operation; The current generates a first pulse signal, and counts the first pulse signal; acquires identification information of heating units whose number of first pulse signals is less than the first preset value, and determines the position of the cookware in the heating zone according to the identification information.
  • the cycle detection is performed; if it is judged that there are cookware placed on the heating area of the electromagnetic heating device, multiple heating units can be controlled to perform resonance work in sequence, and The resonant current of the heating unit currently performing the resonant operation is detected to generate a first pulse signal, and according to the first pulse signal, it is determined whether the heating area corresponding to the current heating unit is placed with a pot.
  • the position of the cookware mark of the current heating unit is set to be non-zero and used as the identification information of the heating unit, and then the controller can be based on the identification information.
  • the controller can determine, according to the identification information, that no cookware is placed in the heating area corresponding to the current heating unit. Through the method described in the above embodiment, the specific position of the cookware can be accurately found out.
  • a heating unit that needs to perform resonance work is determined according to the position of the cookware in the heating zone.
  • the heating unit that needs to perform resonance operation can be determined according to the position.
  • the heating unit that needs to perform resonance operation can be determined according to the position.
  • three pot placement states are respectively given, corresponding to different heating units, for example, state 21 corresponds to the first heating unit 101 and second heating unit 102 , and state 22 corresponds to the second heating unit 102 and the third heating unit 103, state 23 corresponds to the third heating unit 103 and the fourth heating unit 104.
  • the corresponding heating unit is controlled to perform heating work to adjust the heating power of the electromagnetic heating device.
  • the preset rule of heating power corresponding to a plurality of heating units is described as a monotonically increasing rule.
  • the fire power distribution strategy of the heating units is: allocate the fire power according to the monotonically increasing rule, as shown in the W11 box in FIG. 102 allocates a fire power of 400 watts, the third heating unit 103 allocates a fire power of 600 watts, and so on, the eighth heating unit 108 allocates a fire power of 1600 watts.
  • the heating power of the system is 200 watts.
  • the first and second heating units are heated together. Since the first heating unit distributes a fire power of 200 watts, and the second heating unit distributes a fire power of 400 watts, the total heating power of the system is 600 watts at this time.
  • the seventh and eighth heating units are heated together. Since the distributed fire power of the seventh heating unit is 1400 watts, and the distributed fire power of the eighth heating unit is 1600 watts, the total heating power of the system at this time is 3000 watts.
  • the embodiment of the present disclosure realizes the automatic adjustment function of the fire power from 200 watts of low fire to 3000 watts of high fire by moving the pot, without the need for the user to adjust by pressing keys. It can be understood that the embodiment in which the heating power of the plurality of heating units is monotonically decreasing is similar to the above-mentioned embodiment, and details are not described herein again.
  • the preset rule of heating power corresponding to multiple heating units is described as an example of increasing first and then decreasing.
  • the heating area 100 starts from the left, and 101 is the first heating unit.
  • 102 is the second heating unit
  • 103 is the third heating unit
  • 108 is the eighth heating unit.
  • the 8 heating units are evenly arranged horizontally.
  • the fire power distribution strategy of the heating units is as follows: first, the fire power is allocated according to the monotonically increasing and monotonically decreasing rules. As shown in the W12 box in FIG.
  • the second heating unit 102 allocates a fire power of 500 watts
  • the third heating unit 103 allocates a fire power of 1000 watts
  • the fourth heating unit 104 allocates a fire power of 1500 watts
  • the fifth heating unit 105 allocates a fire power of 1500 watts
  • the sixth heating unit 106 allocates a fire power of 1500 watts.
  • the fire power is 1000 watts
  • the seventh heating unit 107 allocates a fire power of 500 watts
  • the eighth heating unit 108 allocates a fire power of 100 watts.
  • the heating power of the system is 100 watts.
  • the cookware 200 moves to the right, when the cookware 200 is placed above the first heating unit 101 and the second heating unit 102, the first and second heating units are heated together. Since the first heating unit 101 allocates a fire power of 100 watts, and the second heating unit 102 allocates a fire power of 500 watts, the total heating power of the system at this time is 600 watts.
  • the cookware 200 is placed above the fourth heating unit 104 and the fifth heating unit 105, the fourth and fifth heating units are heated together.
  • the total heating power of the system at this time is 3000 watts.
  • the cookware 200 is placed above the seventh heating unit 107 and the eighth heating unit 108 , the seventh and eighth heating units are heated together. Since the seventh heating unit 107 allocates a fire power of 500 watts, and the eighth heating unit 108 allocates a fire power of 100 watts, the total heating power of the system at this time is 600 watts.
  • the cookware 200 is placed at the rightmost end, the cookware 200 only covers the eighth heating unit 108, and only the eighth heating unit 108 is heated, and the heating power of the system is 100 watts.
  • the embodiment of the present disclosure realizes the automatic adjustment function of the fire power from 100 watts of low fire to 3000 watts of high fire, and then to 100 watts of low fire by moving the pot from left to right. It can be understood that, the embodiment in which the heating power of the plurality of heating units is first decreased and then increased is similar to the above-mentioned embodiment, and details are not repeated here.
  • the method for controlling the heating power of the electromagnetic heating device in this embodiment can effectively reduce the user's operating burden on the heating power, while providing a more convenient cooking environment and improving user experience.
  • the present disclosure proposes a computer-readable storage medium on which a heating power control program of an electromagnetic heating device is stored, and when the heating power control program of the electromagnetic heating device is executed by a processor, the electromagnetic heating in the above-mentioned embodiment is realized.
  • a heating power control method for a heating device is realized.
  • the processor executes the heating power control program of the electromagnetic heating device stored on the storage medium, which can effectively reduce the user's operating burden on the heating power, provide a more convenient cooking environment, and improve the user experience.
  • the present disclosure proposes a kind of electromagnetic heating equipment, the equipment includes a memory, a processor and a heating power control program of the electromagnetic heating equipment stored on the memory and can be run on the processor, when the processor executes the heating power control program. , to realize the heating power control method of the electromagnetic heating device as in the above-mentioned embodiment.
  • the processor of the electromagnetic heating device of the embodiment of the present disclosure executes the heating power control program of the electromagnetic heating device stored in the memory, which can effectively reduce the user's operating burden on the heating power, provide a more convenient cooking environment, and improve user experience.
  • FIG. 11 is a heating power control device of an electromagnetic heating apparatus according to an embodiment of the present disclosure.
  • the present disclosure proposes a heating power control device for electromagnetic heating equipment.
  • the control device 300 includes a detection module 301 , a determination module 302 and a control module 303 .
  • the electromagnetic heating device includes a plurality of heating units, the plurality of heating units are regularly arranged in the same heating area, and the heating power corresponding to the plurality of heating units changes according to a preset law.
  • the detection module 301 is used to detect the position of the cookware in the heating zone after determining that the cookware is placed in the heating zone; the determination module 302 is used to determine the heating unit that needs to perform resonance work according to the position of the cookware in the heating zone; the control module 303 is used for Control the heating unit that needs to perform resonance work to perform heating work, so as to adjust the heating power of the electromagnetic heating device.
  • the electromagnetic heating device includes multiple (more than two) heating units, such as four, six, eight, and so on.
  • the number of heating units of the electromagnetic heating device can determine the number of gears of the electromagnetic heating device.
  • the first heating unit 101 can reach the fire power P1
  • the second heating unit 102 can reach the fire power P2, And so on.
  • the number of heating units of an electromagnetic heating device can be set according to the user's use environment or usage habits.
  • a small electromagnetic heating device used at home can control the number of heating units within eight
  • the electromagnetic heating equipment used in business establishments such as restaurants can control the number of heating units to more than eight.
  • a plurality of heating units are regularly arranged in the same heating zone, and the heating power corresponding to the plurality of heating units changes according to a preset law.
  • the cookware 200 can be placed on the heating area 100 .
  • the cookware 200 in this embodiment can be placed on two adjacent heating units, and the two heating units can heat the cookware 200 at the same time. .
  • the detection module 301 can firstly test whether there is a pan on the heating area, and then perform a pan detection test on the heating area corresponding to each heating unit, and then use the determination module 302 to determine that the pan is placed in the heating area. on the location. It is also possible to perform a pan inspection test on each heating unit in turn, and then determine the heating area where the pan is placed.
  • the determination module 302 can use the control module 303 to determine the heating unit that needs to perform resonance operation according to the position. Specifically, as shown in FIG. 8 , three pot placement states are respectively given, corresponding to different heating units, for example, state 21 corresponds to the first heating unit 101 and second heating unit 102 , and state 22 corresponds to the second heating unit 102 and the third heating unit 103, state 23 corresponds to the third heating unit 103 and the fourth heating unit 104.
  • the control module 303 can be used to control the corresponding heating unit to perform heating work to adjust the heating power of the electromagnetic heating device.
  • a plurality of heating units may be arranged in the heating zone at equal intervals in the lateral or longitudinal direction.
  • the heating power corresponding to the plurality of heating units varies according to any one of a monotonically increasing rule, a monotonically decreasing rule, a first-increase-and-decrease rule, and a first-decrease-and-increase rule.
  • control module is further configured to: control the plurality of heating units to perform resonant operation in sequence, and detect the resonant current of the heating units performing the resonant operation;
  • the resonant current of each heating unit in the heating unit generates a first pulse signal, and counts the first pulse signal; when the number of the first pulse signal when any one of the heating units performs resonance operation is less than the first preset value, determine Place pots and pans in the heating area.
  • the detection module for detecting the position of the cookware in the heating zone includes: when each heating unit performs resonance operation, acquiring identification information of heating units whose number of first pulse signals is less than a first preset value ; Determine the position of the cookware in the heating zone according to the identification information.
  • control module is further configured to: control the plurality of heating units to perform resonance operation at the same time, and detect the resonance current of the electromagnetic heating device; according to the resonance of the electromagnetic heating device The current generates a second pulse signal, and counts the second pulse signal; when the number of the second pulse signal is less than the second preset value, it is determined to place the cookware in the heating area.
  • detecting the position of the cookware in the heating zone by the detection module includes: controlling the plurality of heating units to perform resonance operation in sequence, and detecting the resonance current of the heating units performing the resonance operation;
  • the resonant current of each heating unit generates a first pulse signal, and the first pulse signal is counted; the identification information of the heating unit whose number of the first pulse signal is less than the first preset value is obtained, and according to the identification information, it is determined that the cookware is heating district location.
  • the heating power control device of the electromagnetic heating device of this embodiment can effectively reduce the user's operating burden on the heating power, while providing a more convenient cooking environment and improving user experience.

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  • Induction Heating Cooking Devices (AREA)

Abstract

Dispositif de chauffage électromagnétique et procédé et appareil de commande de la puissance de chauffage associés, et support d'enregistrement. Le dispositif de chauffage électromagnétique comprend une pluralité d'unités de chauffage, la pluralité d'unités de chauffage sont disposées de manière régulière dans une même zone de chauffage, et la puissance de chauffage correspondant à la pluralité d'unités de chauffage change selon une règle prédéfinie. Le procédé de commande de puissance de chauffage comprend les étapes suivantes : lors de la détermination qu'un pot est placé dans la zone de chauffage, la détection d'une position du pot dans la zone de chauffage ; la détermination, en fonction de la position du pot dans la zone de chauffage, d'une unité de chauffage qui a besoin d'effectuer une opération de résonance ; et la commande de l'unité de chauffage qui a besoin d'effectuer l'opération de résonance pour le chauffage, de façon à ajuster la puissance de chauffage du dispositif de chauffage électromagnétique.
PCT/CN2021/139559 2020-12-29 2021-12-20 Dispositif de chauffage électromagnétique et procédé et appareil de commande de la puissance de chauffage associés, et support d'enregistrement Ceased WO2022143247A1 (fr)

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CN202011591659.0A CN114688576A (zh) 2020-12-29 2020-12-29 电磁加热设备及其加热火力控制方法与装置、存储介质

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