Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/50—Control or monitoring
  • A24F40/57—Temperature control
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
  • A24F40/46—Shape or structure of electric heating means
  • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
• • 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

Definitions

• the present invention relates to the field of atomization device technology, and particularly to an aerosol generation device, and a temperature control method and apparatus thereof.
• the operating principle of the aerosol generation device is mainly to heat the atomization medium in the electromagnetic induction heating mode by means of atomization to evaporate the atomization medium into the aerosol, which is then inhaled by a consumer to achieve a smoking experience. Since the electromagnetic heating has the advantages of rapid temperature rise and energy conservation, it is more conducive to the rapid control of an aerosol generation device.
• the conventional temperature control technology mainly measures a DC current at the power supply terminl of a heating circuit and controls a temperature of a heating component according to the DC current.
• a heating module is made of a magnetic material, and the magnetic material has a Curie temperature, that is, when the heating module reaches the Curie temperature, magnetic permeability and electrical conductivity may change suddenly, which may cause a sudden change in inductance and resistance, and then lead to unclear correspondence between the DC current and the temperature of the heating component, which results in an inaccuracy of temperature control through the measurement of the DC current in the circuit in the conventional technology.
• an aerosol generation device including a power supply module, a control module, a heating circuit, and a detection circuit;
• the heating circuit comprises a first capacitor, a second capacitor, the electromagnetic heating component, and a first switch,
• the heating circuit further includes a third capacitor, a fourth capacitor, the electromagnetic heating component, a second switch, and a first resistor,
• the heating circuit further includes a fifth capacitor, a sixth capacitor, the electromagnetic heating component, and a third switch,
• the heating circuit further includes a transformer and a second resistor connected to each other in parallel,
• the detection circuit includes a rectifier module, a follower module, and a filter module sequentially connected in series, an input terminal of the rectifier module is connected to the electromagnetic heating component, an output terminal of the filter module is connected to the control module.
• the detection circuit further includes a voltage divider module connected between the rectifier module and the follower module.
• a temperature control method for an aerosol generation device including:
• controlling the operating time of the heating circuit according to the preset corresponding relationship to control the temperature of the electromagnetic heating component includes: controlling turn-on or turn-off of a switch in the aerosol generation device according to the preset corresponding relationship to control the operating time of the heating circuit.
• a temperature control apparatus for an aerosol generation device including:
• the processing module is further configured to control turn-on or turn-off of a switch in the aerosol generation device according to the preset corresponding relationship to control the operating time of the heating circuit.
• the aerosol generation device includes: a power supply module, a control module, a heating circuit, and a detection circuit.
• the power supply module is configured to provide energy to the heating circuit.
• the control module is configured to obtain the electrical signal of the electromagnetic heating component in the heating circuit through the detection circuit, and control the operating time of the heating circuit according to the preset corresponding relationship after a sudden change in the electrical signal of the electromagnetic heating component is detected, to control the temperature of the electromagnetic heating component.
• the preset corresponding relationship is provided between the electrical signal variation and the temperature variation.
• the detection circuit detects the electrical signal of the electromagnetic heating component in the aerosol generation device, the characteristic that the electromagnetic heating component has the Curie temperature is employed, so that it can be clearly determined that the electromagnetic heating component reaches the Curie temperature when a sudden change in the detected electrical signal is detected, thereby avoiding influences of various other factors during the use of the aerosol generation device.
• the operating time of the heating circuit is controlled according to the corresponding relationship between the electrical signal variation and the temperature variation, in order to control the temperature of the electromagnetic heating component. Accordingly, the temperature can be accurately controlled.
• first, second, etc. used in the present application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish a first element from another element.
• an aerosol generation device may include: a power supply module 110, a control module 120, a heating circuit 130, and a detection circuit 140.
• the power supply module 110 is connected to the control module 120 and the heating circuit 130 respectively.
• the control module 120 is further connected to the heating circuit 130.
• the heating circuit 130 is connected to the detection circuit 140.
• the power supply module 110 is configured to provide energy to the heating circuit 130. Similarly, the power supply module 110 is also configured to provide energy to the control module 120, so that the heating circuit 130 and the control module 120 operate normally.
• the heating circuit 130 may include an electromagnetic heating component. The electromagnetic heating component heats an atomization substrate inside the aerosol generation device by using the energy provided by the power supply module 110.
• the control module 120 may control operating time of the heating circuit 130 within a unit operating cycle, thereby adjusting a power of the heating circuit 130 and controlling a temperature of the electromagnetic heating component.
• the control module 120 is configured to obtain an electrical signal of the electromagnetic heating component in the heating circuit 120 through the detection circuit 140, and control the operating time of the heating circuit 120 according to a preset corresponding relationship after a sudden change in the electrical signal of the electromagnetic heating component is detected, to control the temperature of the electromagnetic heating component.
• the preset corresponding relationship is provided between an electrical signal variation and a temperature variation.
• the magnetic heating material has the characteristic of Curie temperature, when the heating temperature reaches the Curie temperature of the magnetic heating component, magnetic permeability and an electrical conductivity thereof may suddenly change, thereby causing sudden changes in inductance and a resistance.
• this characteristic is employed to detect the corresponding electrical signal of the magnetic heating material when determining that the magnetic heating material reaches the Curie temperature, thereby avoiding the problem of incorrespondence between the temperature and electrical signal of the magnetic heating material due to the influence of an operating environment or an operating state, etc., of the aerosol generation device.
• the electrical signal may include a voltage or a current.
• the control module 120 obtains the electrical signal of the electromagnetic heating component in the heating circuit 120 through the detection circuit 140, and then detects/identifies the obtained electrical signal.
• a sudden change in the electrical signal of the electromagnetic heating component is detected, it indicates that the temperature of the electromagnetic heating component reaches the Curie temperature.
• the operating time of the heating circuit 120 within the unit operating cycle can be controlled according to the pre-stored corresponding relationship. Accordingly, a magnitude of the electrical signal applied to the magnetic heating component within the unit operating cycle is controlled, thereby the control of the temperature of the electromagnetic heating component is implemented.
• the above-mentioned aerosol generation device includes: a power supply module, a control module, a heating circuit, and a detection circuit.
• the power supply module is configured to provide energy to the heating circuit.
• the control module is configured to obtain the electrical signal of the electromagnetic heating component in the heating circuit through the detection circuit, and control the operating time of the heating circuit according to the preset corresponding relationship after a sudden change in the electrical signal of the electromagnetic heating component is detected, to control the temperature of the electromagnetic heating component.
• the preset corresponding relationship is provided between the electrical signal variation and the temperature variation.
• the detection circuit detects the electrical signal of the electromagnetic heating component in the aerosol generation device, the characteristic that the electromagnetic heating component has the Curie temperature is employed, so that it can be clearly determined that the electromagnetic heating component reaches the Curie temperature when a sudden change in the detected electrical signal is detected, thereby avoiding influences of various other factors during the use of the aerosol generation device.
• the operating time of the heating circuit is controlled according to the corresponding relationship between the electrical signal variation and the temperature variation, in order to control the temperature of the electromagnetic heating component. Accordingly, the temperature can be accurately controlled.
• the heating circuit 130 may include a first capacitor 131, a second capacitor 132, an electromagnetic heating component 133, and a first switch 134.
• the first switch 134 is connected to the first capacitor 131 in parallel.
• a first terminal of the second capacitor 132 is connected to a first terminal of the first capacitor 131, and a second terminal of the second capacitor 132 is connected to a first terminal of the electromagnetic heating component 133.
• the first terminal of the second capacitor 132 is further connected to the power supply module 110.
• a second terminal of the electromagnetic heating component 133 is connected to the second terminal of the first capacitor 131 and is grounded.
• the detection circuit 140 is connected to the electromagnetic heating component 133 in parallel, and the detection circuit 140 is configured to detect the electrical signal of the electromagnetic heating component 133.
• the first switch 134 is a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET), and also may be other types of switches in other specific implementations.
• the control module 120 is connected to an enable terminal of the MOSFET. The control module 120 can control turn-on or turn-off of the MOSFET, thereby implementing the control of the electromagnetic heating component 133.
• the control module 120 controls the MOSFET to be turned on, a current output by the power supply module 110 and an alternating current on the electromagnetic heating component 133 and the second capacitor 132 flow through the first switch 134, and a voltage across the first capacitor 131 is equal to 0.
• the control module 120 controls the MOSFET to be turned off, the current output by the power supply module 110 and the alternating current on the electromagnetic heating component 133 and the second capacitor 132 first charge the first capacitor 131.
• the alternating current enters a negative half cycle until an instantaneous absolute value of the alternating current value is greater than the value of the current output by the power supply module 110, the first capacitor 131 begins to discharge. After the discharge of the first capacitor 131 is completed, the voltage across the first capacitor 131 is equal to 0, that is, the voltage across the MOSFET is equal to 0. Subsequently, the next cycle is entered, and the MOSFET is turned on.
• the heating circuit 130 is of E class. In one cycle, when the MOSFET is turned on, the voltage on the MOSFET is equal to 0, while the current is unequal to 0. When the MOSFET is turned off, the voltage on the MOSFET is unequal to 0, while the current is equal to 0. So that the MOSFET does not consume electric energy.
• the electromagnetic heating component 133 and the second capacitor 132 are always in a resonant state. An alternating voltage across the electromagnetic heating component 133 is converted, through the detection circuit 140, into a direct current (DC) voltage signal appropriate for being collected by the control module 120.
• the control module 120 performs the collection through the detection circuit 140 and obtains the DC voltage signal of the electromagnetic heating component 133.
• the control module 120 determines whether the electromagnetic heating component 1312 reaches the Curie temperature according to the collected voltage signal. When the electromagnetic heating component 1312 reaches the Curie temperature, equivalent inductance and an equivalent resistance of the electromagnetic heating component 133 may change significantly, and the corresponding voltage across the electromagnetic heating component 133 may change significantly.
• FIG. 3 it is a schematic curve diagram of electrical signals and envelopes acquired during a test of the circuit shown in FIG. 2 .
• a horizontal axis represents time and a vertical axis represents voltage (or current in specific implementations).
• Each of the envelopes is a detected voltage or current waveform, and then a curve is drawn with a maximum point of each of the envelopes, so that a corresponding electrical signal (DC signal) curve graph is formed, and in this case the electrical signal is a voltage signal.
• FIG. 3 shows that the voltage signal shows a turning point (the moment of the left trough) at the Curie temperature.
• the control module 120 determines the turning point, which indicates that the electromagnetic heating component 1312 reaches the Curie temperature at the moment.
• the control module 120 controls the magnitude of the voltage signal applied across the electromagnetic heating component 133 by controlling on-time of the MOSFET (duty cycle), meanwhile the temperature of the electromagnetic heating component 1312 is measured through a temperature measuring instrument, and the corresponding curve of the temperature and the voltage is established. Finally, the control module 120 controls, according to the temperature/voltage curve, the temperature of the electromagnetic heating component 1312 by controlling the magnitude of the voltage signal applied across the electromagnetic heating component 133.
• the AC signal Since the AC signal is stronger than the DC signal, the AC signal has a stronger anti-interference capability. Accordingly, data obtained by detecting the AC signal of the electromagnetic heating component 137 in the embodiment is more accurate than data obtained by detecting the DC signal in the circuit in the existing technology. Meanwhile, the electromagnetic heating component 137 is directly detected, which can avoid influences of other devices or wiring, and the detection result is reliable.
• the heating circuit 130 may include a third capacitor 135, a fourth capacitor 136, an electromagnetic heating component 137, a second switch 138, and a first resistor 139.
• the detection circuit 140 is connected to the first resistor 139 in parallel, and is configured to detect an electrical signal of the first resistor 139.
• the control module 120 is further configured to obtain an electrical signal of the electromagnetic heating component 137 according to the electrical signal of the first resistor 139.
• the second switch 138 is an MOSFET, and may also be other types of switches in other specific implementations.
• the control module 120 is connected to an enable terminal of the MOSFET.
• the control module 120 can control the turn-on or turn-off of the MOSFET, in order to control the electromagnetic heating component 137.
• the control module 120 controls the MOSFET to be turned on
• the current output by the power supply module 110 and the alternating current on the electromagnetic heating component 137 and the fourth capacitor 136 flow through the second switch 138, and the voltage across the third capacitor 135 is equal to 0.
• the control module 120 controls the MOSFET to be turned off the current output by the power supply module 110 and the alternating current on the electromagnetic heating component 137 and the fourth capacitor 136 first charge the third capacitor 135, and as the alternating current enters the negative half cycle until the instantaneous absolute value of the alternating current value is greater than the value of the current output by the power supply module 110, the third capacitor 135 begins to discharge. After the discharge of the third capacitor 135 is completed, the voltage across the third capacitor 135 is equal to 0, that is, the voltage across the MOSFET is equal to 0. Subsequently, the next cycle is entered, and the MOSFET is turned on.
• the heating circuit 130 is of E class. In one cycle, when the MOSFET is turned on, the voltage on the MOSFET is equal to 0, and the current is unequal to 0. When the MOSFET is turned off, the voltage on the MOSFET is unequal to 0, and the current is equal to 0. Accordingly, the MOSFET does not consume electric energy. In the operating state, the electromagnetic heating component 137 and the fourth capacitor 136 are always in the resonant state.
• the current flowing through the electromagnetic heating component 137 is the same as the current flowing through the first resistor 139.
• the AC current on the first resistor 139 is converted into the AC voltage, and is converted, through the detection circuit 140, into the DC voltage signal appropriate for being collected by the control module 120.
• the control module 120 performs the collection through the detection circuit 140, and then the control module 120 performs the conversion and obtains the DC voltage signal of the electromagnetic heating component 137.
• FIG. 5 it is a schematic curve diagram of electrical signals and envelopes acquired during a test of the circuit shown in FIG. 4 .
• the horizontal axis represents time and the vertical axis represents voltage (or current in the specific implementations)
• each envelope is a detected voltage waveform, and then a curve is drawn with a maximum point of each of the envelopes, so that a corresponding electrical signal (DC signal) curve is formed.
• the electrical signal is a voltage signal.
• the difference between this embodiment and the previous embodiment is that in this embodiment the voltage of the electromagnetic heating component 137 is indirectly obtained by detecting the voltage of the resistor connected to the electromagnetic heating component 137 in series.
• Other descriptions are substantially the same.
• the heating circuit 130 may include a fifth capacitor 1310, a sixth capacitor 1311, an electromagnetic heating component 1312, and a third switch 1313.
• the third switch 1313 is connected to the sixth capacitor 1311 in parallel and then is connected to the electromagnetic heating component 1312 in series.
• a first terminal of the fifth capacitor 1310 is connected to a terminal of the electromagnetic heating component 1312 away from the sixth capacitor 1311, and a second terminal of the fifth capacitor 1310 is connected to a terminal of the sixth capacitor 1311 away from the electromagnetic heating component 1312 and is grounded.
• the detection circuit 140 is configured to detect the electrical signal of the electromagnetic heating component 1312.
• the third switch 1313 may be a MOSFET.
• the control module 120 controls the third switch 1313 to be turned on, the DC current of the power supply module 110 and the AC current on the electromagnetic heating component 1312 and the fifth capacitor 1310 flow through the third switch 1313, and the voltage across the sixth capacitor 1311 is equal to 0.
• the MCU controls the third switch 1313 to be turned off, the DC current of the power supply module 110 and the AC current on the electromagnetic heating component 1312 and the fifth capacitor 1310 first charge the sixth capacitor 1311, and as the AC current enters the negative half cycle until the instantaneous value of the value of the AC current is greater than the value of the DC current of the power supply module 110, the sixth capacitor 1311 begins to discharge. After the discharge of the sixth capacitor 1311 is completed, the voltage across the sixth capacitor 1311 is equal to 0, that is, the voltage across the third switch 1313 is equal to 0. Subsequently, the next cycle is entered, and the third switch 1313 is turned on.
• the heating circuit 130 is of inverse E class. In one cycle, when the third switch 1313 is turned on, the voltage on the third switch 1313 is equal to 0, and the current is unequal to 0. When the third switch 1313 is turned off, the voltage on the third switch 1313 is unequal to 0, and the current is equal to 0. Accordingly, the third switch 1313 does not consume electric energy. In the operating state, the electromagnetic heating component 1312 and the fifth capacitor 1310 are always in the resonant state. After the AC voltage across the electromagnetic heating component 1312 passes through the detection circuit 140, the control module 120 can detect and obtain the AC voltage across the electromagnetic heating component 1312 (or the current is detected in specific implementations).
• the control module 120 determines whether the electromagnetic heating component 1312 reaches the Curie temperature according to the collected voltage signal.
• the electromagnetic heating component 1312 reaches the Curie temperature, the equivalent inductance and the equivalent resistance on a coil of the electromagnetic heating component 1312 may change significantly, and the voltage across the electromagnetic heating component 1312 may change significantly (at the moment of the left trough).
• the control module 120 determines the turning point, which indicates that the electromagnetic heating component 1312 reaches the Curie temperature at the moment. Meanwhile, it is concluded that the voltage value at the moment corresponds to the Curie temperature of the electromagnetic heating component 1312.
• the control module 120 controls the magnitude of the voltage signal applied across the electromagnetic heating component 1312 by controlling the on-time of the third switch 1313 (duty cycle), meanwhile the temperature of the electromagnetic heating component 1312 is measured through a temperature measuring instrument, and the corresponding curve of the temperature and the voltage is established. Finally, the control module 120 controls, according to the temperature/voltage curve, the temperature of the electromagnetic heating component 1312 by controlling the magnitude of the voltage signal applied across the electromagnetic heating component 1312.
• the heating circuit 130 may further include a transformer 1314 and a second resistor 1315 connected to each other in parallel.
• the transformer 1314 is configured to sense the electrical signal of the electromagnetic heating component 1312.
• the detection circuit 140 is configured to detect the electrical signal of the second resistor 1315.
• the embodiment shown in FIG. 8 further includes a transformer 1314 and a second resistor 1315.
• the AC current signal on the electromagnetic heating component 1312 is converted into the AC voltage signal through the transformer 1314 and the second resistor 1315, and then the control module 120 detects the DC voltage signal of the second resistor 1315 through the detection circuit 140 (a detection graph is shown in FIG. 9 ), and determines whether there is a turning point (a mutation point, that is, a position corresponding to the moment of the left trough) according to the DC voltage signal. When there is a turning point, it indicates that the electromagnetic heating component 1312 reaches the Curie temperature at the moment.
• the control module 120 controls the magnitude of the voltage signal applied across the electromagnetic heating component 1312 by controlling the on-time of the third switch 1313 (duty cycle), meanwhile the temperature of the electromagnetic heating component 1312 is measured through a temperature measuring instrument, and the corresponding curve of the temperature and the voltage is established. Finally, the control module 120 controls, according to the temperature/voltage curve, the temperature of the electromagnetic heating component 1312 by controlling the magnitude of the voltage signal applied across the electromagnetic heating component 1312.
• FIG. 10 it is a schematic diagram of a temperature variation curve over time according to an embodiment.
• the temperature of the magnetic heating component can be adjusted according to the provided variation of the electrical signal after the magnetic heating component is determined to reach the Curie temperature thereof.
• the detection circuit 140 may include a rectifier module 141, a voltage divider module 144, a follower module 142, and a filter module 143 sequentially connected in series.
• An input terminal of the rectifier module 141 is connected to the electromagnetic heating component, the first resistor or the second resistor.
• An output terminal of the filter module 143 is connected to the control module 120.
• the detection circuit 140 may further include a rectifier module 141, a follower module 142, and a filter module 143 sequentially connected in series.
• An input terminal of the rectifier module 141 is connected to the electromagnetic heating component, the first resistor or the second resistor.
• An output terminal of the filter module 143 is connected to the control module 120.
• other detection circuits may be used, which is not limited here.
• the rectifier module 141 converts an AC signal into a DC signal.
• the follower module 142 is configured to isolate a signal input to the follower module 142 from a signal output from the follower module 142, in order to avoid the influence of the input signal.
• the filter module 143 is configured to filter out a noise wave in the signal output by the follower module 142.
• a temperature control method for the above-mentioned aerosol generation device is provided.
• the solution to the problem provided by the method is similar to the solution described in the above-mentioned aerosol generation device. Accordingly, as for the specific limitations in one or more embodiments of the temperature control method for an aerosol generation device provided below, reference can be made to the above limitations on the aerosol generation device, which will not be repeated here.
• the temperature control method may include the following steps.
• Step 1210 an electrical signal of an electromagnetic heating component in the aerosol generation device is obtained.
• Step 1220 after a sudden change in the electrical signal of the electromagnetic heating component is detected, operating time of the heating circuit is controlled according to a preset corresponding relationship to control a temperature of the electromagnetic heating component.
• the preset corresponding relationship is provided between an electrical signal variation and a temperature variation.
• the present application can be applied to the control module described in any of the above embodiments.
• the control module can directly or indirectly obtain the electrical signal of the electromagnetic heating component in the aerosol generation device, and then detect/identify the obtained electrical signal.
• a sudden change in the electrical signal of the electromagnetic heating component is detected, it indicates that the temperature of the electromagnetic heating component reaches the Curie temperature.
• the operating time of the heating circuit in a unit cycle can be controlled according to the pre-stored corresponding relationship. Accordingly, the control of the magnitude of the electric signal applied to the magnetic heating component in the unit cycle is implemented, thereby implementing the control of the temperature of the electromagnetic heating component.
• the step of controlling the operating time of the heating circuit according to the preset corresponding relationship to control the temperature of the electromagnetic heating component may include: turn-on or turn-off of the switch in the aerosol generation device is controlled according to the preset corresponding relationship to control the operating time of the heating circuit.
• control module controls the turn-on or turn-off of the switch in the aerosol generation device according to the preset corresponding relationship, in order to control the operating time of the heating circuit.
• control may also be performed in other ways, such as controlling the turn-on or turn-off of the power supply module to implement the same function.
• the electrical signal of the electromagnetic heating component in the aerosol generation device is detected through the detection circuit, and the characteristic that the electromagnetic heating component has the Curie temperature is employed, so that it can be clearly determined that the electromagnetic heating component reaches the Curie temperature when the detected electrical signal has a sudden change, thereby avoiding the influences of various other factors during the use of the aerosol generation device.
• the operating time of the heating circuit is controlled according to the corresponding relationship between the electrical signal variation and the temperature variation, the control of the temperature of the electromagnetic heating component is implemented, thereby accurately controlling the temperature.
• a temperature control apparatus for an aerosol generation device for implementing the above-mentioned temperature control method for the aerosol generation device.
• the solution to the problem provided by the apparatus is similar to the solution described in the temperature control method for the aerosol generation device described above. Accordingly, as for the specific limitations in one or more embodiments of the temperature control apparatus for the aerosol generation device provided below, reference can be made to the above limitations on the temperature control method for the aerosol generation device, which will not be repeated here.
• a temperature control apparatus for an aerosol generation device including:
• the processing module 1320 is further configured to control turn-on or turn-off of the switch in the aerosol generation device according to the preset corresponding relationship to control the operating time of the heating circuit.
• the modules in the temperature control apparatus for the aerosol generation device may be implemented in whole or in part by software, hardware or a combination thereof.
• the above modules may be embedded in or independent of a processor in a computer device in the form of hardware, or may be stored in a memory in a computer device in the form of software, so that the processor can invoke and execute operations corresponding to the above modules.
• the database involved in each embodiment of the present invention may include at least one of a relational database and a non-relational database.
• the non-relational database may include, but is not limited to, a distributed database based on blockchain.
• the processor involved in each embodiment of the present invention may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic unit, a data processing logic unit based on quantum computing, etc., but is not limited thereto.

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• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Control Of Resistance Heating (AREA)
• Control Of Temperature (AREA)

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• 2022
  • 2022-11-21 CN CN202211454965.9A patent/CN115778006A/zh active Pending
• 2023
  • 2023-09-11 EP EP23893357.6A patent/EP4620331A4/de active Pending
  • 2023-09-11 WO PCT/CN2023/117925 patent/WO2024109264A1/zh not_active Ceased

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