Abstract: An aerosol generation apparatus and a control method therefor are provided. The method includes: in a light source calibration stage, outputting initial driving current, driving a light source based on the initial driving current, determining a color value corresponding to a color label under illumination of the light source, and determining the initial driving current as calibration current if the color value satisfies a preset standard color value; and in a recognition stage for an aerosol generation product, driving the light source based on the calibration current, determining a color value corresponding to the color label under the illumination of the light source, and determining at least one of a type, an insertion state, or a disengagement state of the aerosol generation product based on the color value.

Abstract: An ultrasonic atomizer, and a resonant-frequency determination method based on the ultrasonic atomizer are provided. The ultrasonic atomizer includes a storage cavity, an ultrasonic atomization piece, a control circuit and a power supply. The storage cavity stores an atomization matrix. The ultrasonic atomization piece generates oscillation to atomize the atomization matrix. The control circuit includes a controller, a driving branch and an impedance branch, the driving branch is connected to the power supply and the controller, the driving branch generates a driving voltage in response to a first pulse signal; the impedance branch is connected between the driving branch and the ultrasonic atomization piece, the impedance branch makes a combined impedance of the impedance branch and the ultrasonic atomization piece match the impedance of the driving branch.

Abstract: An impedance identification method for an ultrasonic atomizer (100), and an ultrasonic atomizer (100). The impedance identification method is used for identifying the impedance of an ultrasonic atomization sheet (12) in an ultrasonic atomizer (100). The method comprises: acquiring a first current, wherein the first current is a current which is output from a power source (14) in an ultrasonic atomizer (100) when an ultrasonic atomization sheet (12) operates at a resonant frequency; and according to preset correspondences between currents and impedance intervals, determining an impedance interval corresponding to the first current.

Abstract: The present application relates to a multi-point temperature measurement device, an aerosol generation device and a temperature control method. The multi-point temperature measurement device comprises at least two thermocouples, at least two signal processing circuits and a processor, wherein the at least two thermocouples are arranged at different position points on a conductor under test, the thermocouples correspond to the signal processing circuits on a one-to-one basis, and the at least two thermocouples are used for detecting the temperature of said conductor at the different position points. No current flows between any two thermocouples, and any two thermocouples do not influence each other, that is, a first potential signal and a second potential signal, which are obtained by means of any thermocouple, are not interfered with by other thermocouples, such that the temperature detection of different position points on a conductor under test does not influence each other.

Abstract: A power supply assembly, an electronic atomization device, and a control method thereof are provided. The electronic atomization device includes: a liquid storage cavity for storing a liquid substrate; a power supply for supplying electricity; a magnetic field generating circuit electrically connected to the power supply for generating a varying magnetic field; a susceptor to be penetrated by the varying magnetic field to generate heat. to heat the liquid substrate to generate aerosols; and a controller electrically connected to the magnetic field generating circuit, for monitoring an electrical characteristic parameter of the magnetic field generating circuit and determine, based on the electrical characteristic parameter of the magnetic field generating circuit, whether adverse conditions exist in the susceptor.

Abstract: An ultrasonic atomization apparatus is provided. The apparatus includes a liquid storage cavity for storing a liquid substrate, an ultrasonic atomization sheet in liquid communication with the liquid storage cavity and generating oscillation to atomize the liquid substrate, a power supply, and a driving control circuit. The driving control circuit includes a controller, a driving circuit, and an impedance matching circuit. The impedance matching circuit includes a capacitance branch and an inductance branch. The capacitance branch and the ultrasonic atomization sheet are connected in series to form a first circuit. The inductance branch is connected to the first circuit to form a second circuit. The driving circuit is separately connected to the controller, the power supply, and the second circuit. The driving circuit is configured to output, based on control of the controller, a driving voltage used to drive the ultrasonic atomization sheet.

Abstract: An aerosol generation device is provided. The device is configured to heat an aerosol-generating product to generate an aerosol. The device includes a plasma generator configured to generate plasma to heat the aerosol-generating product through the plasma. In the aerosol generation devices, the plasma generator provides the plasma to the aerosol-generating product to heat the aerosol-generating product.

Abstract: An ultrasonic atomizer is provided. The ultrasonic atomizer includes a liquid storage cavity for storing a liquid substrate an ultrasonic atomization sheet for generating oscillation to atomize the liquid substrate. The ultrasonic atomizer further includes a controller, a control circuit, and a power supply. The control circuit includes a power supply branch, a switching branch, a resonance branch, and an impedance branch. The resonance branch is used for resonating in response to on or off of the switching branch, to output a driving voltage based on a pulse voltage. The impedance branch is used for enabling impedance of a combination of the impedance branch and the ultrasonic atomization sheet to match impedance of a combination of the power supply branch, the switching branch, and the resonance branch.

Abstract: An ultrasonic atomizer and a working state determining method are provided. The ultrasonic atomizer includes a liquid storage cavity, an ultrasonic atomization sheet, a controller, a control circuit, and a power supply. The control circuit includes: a first switch branch, being turned on or turned off in response to a first pulse signal outputted by the controller; a first boost branch. boosting an output voltage of the power supply in response to the turning-on or the turning-off of the first switch branch, to output a first drive signal for driving the ultrasonic atomization sheet; and an energy storage branch, storing energy in response to the first drive signal, and outputting a first detection voltage to the controller, to enable the controller to determine a current working state of the ultrasonic atomizer based on the first detection voltage.

Abstract: This application provides an electronic atomization apparatus and a control method. The electronic atomization apparatus includes: a liquid storage chamber; a vibrable element, configured to generate vibration to atomize a liquid substrate for generating an aerosol; and a peak voltage detection module, configured to detect a peak voltage at both terminals of the vibrable element; and a controller, configured to control vibration of the vibrable element based on the peak voltage. The foregoing electronic atomization apparatus may obtain liquid substrate supply and working parameters on the vibrable element by detecting a peak voltage at the both terminals of the vibrable element, to correspondingly adjust operation of the vibrable element to prevent the vibrable element from working when the liquid supply is inadequate or in a deviated state.

Abstract: An embodiment of this application provides an aerosol generation device, configured to heat an aerosol generation product to generate aerosols for inhalation. The device includes: a susceptor, configured to be penetrated by a variable magnetic field to generate heat, to heat the aerosol generation product; a series LC oscillator or a series LCC oscillator including an inductance coil, configured to guide a variable alternating current to flow through the inductance coil to drive the inductance coil to generate the variable magnetic field; and a circuit, configured to determine an oscillation frequency of the series LC oscillator or the series LCC oscillator according to a change rate of an oscillation voltage of the series LC oscillator or the series LCC oscillator. According to the foregoing aerosol generation device, the oscillation frequency is determined according to the change rate of the oscillation voltage.

Abstract: A vapor generation device, includes a core to supply power; a susceptor to generate heat upon penetration by a changing magnetic field, to heat the aerosol generation product an LC oscillator, including an inductance coil and a first capacitor; a first switch tube, positioned between the core and the LC oscillator, where the first switch tube is configured to be intermittently turned on to drive the LC oscillator to oscillate; a temperature sensor to sense a temperature of the susceptor; a sampling module to sample a sensing result of the temperature sensor; and a DC-DC booster, having an input terminal connected to the core and an output terminal connected to the sampling module, where the DC-DC booster is to boost an output voltage of the core and output the boosted voltage to the sampling module to supply power to the sampling module when the first switch tube is turned on.

Abstract: Provided is vapor generation device and a control method thereof, the vapor generation device including a susceptor, configured to be penetrated by a changing magnetic field to generate heat to heat a vapor generation product; an oscillator, including an inductance coil and a capacitor and configured to guide a changing current to flow through the inductance coil to drive the inductance coil to generate the changing magnetic field; a peak detection unit, configured to detect a peak voltage of the oscillator; and a controller, configured to control the oscillator to guide a current based on the peak voltage. The vapor generation device detects a peak voltage of the oscillator during oscillation and controls the oscillation of the oscillator according to the peak voltage.

Abstract: An aerosol generation device includes: a chamber to receive an aerosol generation product; a cell, including a first electrode and a second electrode; a first switch tube and a second switch tube; an LCC oscillator, including an inductance coil, a first capacitor, and a second capacitor; a first end of the inductance coil is connected to the second end of the first capacitor, and a second end of the inductance coil is connected to the first electrode through the first switch tube and is connected to the second electrode through the second switch tube; and the first switch tube and the second switch tube are turned on and turned off alternately, to guide an alternating current to flow through the inductance coil to generate a variable magnetic field; and a susceptor, configured to be penetrated by the variable magnetic field to generate heat, to heat the aerosol generation product.

Abstract: This application provides an aerosol-generation device, and a method and system thereof. The aerosol-generation device includes a housing, having an opening; a cavity, configured to receive or remove an aerosol-generation product through the opening; a heater, configured to heat at least a part of the aerosol-generation product received in the cavity to generate an aerosol for inhalation; a color detection apparatus, configured to emit light to the cavity and detect reflection of the light to generate a color signal; and a controller, configured to obtain the color signal generated by the color detection apparatus, and generate a control signal according to the color signal to control operation of the heater. This application detects the insertion or removal of the aerosol-generation product into or from the cavity through the color detection apparatus, and then controls operation of the heater.

Abstract: A smoking set comprises: a heating cavity and a heater; a first detection module, being configured to detect whether an object exists at a first position in the heating cavity to output a first detection signal; a second detection module, being configured to detect whether an object exists at a second position in the heating cavity to output a second detection signal; a microcontroller, being configured to: acquire the first detection signal and the second detection signal; identify object situation in the heating cavity according to different combinations of the first detection signal and the second detection signal. According to the present application, object situation in the heating cavity is identified according to different combinations of the first detection signal and the second detection signal; and the heater may be controlled to start heating or be turned off according to the identification result.