Abstract: A vaporizer includes: at least one inhalation opening; a liquid storage cavity, which is configured to store a liquid substrate; a vaporization assembly, which heats the liquid substrate to generate an aerosol; a holder, which at least partially accommodates or holds the vaporization assembly; and a vapor output pipe, which provides an airflow path for outputting the aerosol to the at least one inhalation opening. The vapor output pipe is provided with an air inlet end, which is connected to the holder in a fit manner. A protruding structure is provided on the holder, and the protruding structure is close to the air inlet end of the vapor output pipe, so as to guide a condensate which is generated in the vapor output pipe out of the vapor output pipe through the air inlet end.

Abstract: An output control circuit is applied in an electronic cigarette including a battery assembly and an atomizer. The output control circuit includes a controller, a first switching circuit, a driving circuit and a second switching circuit. The controller is for controlling switching-on or switching-off of the first switching circuit, and providing PWM signals to the driving circuit. The first switching circuit is respectively electrically connected with the battery assembly, the controller and the atomizer. The driving circuit is used for driving to switch on or switch off the second switching circuit according to the PWM signals. The second switching circuit is respectively electrically connected with the battery assembly, the driving circuit and the atomizer. The first switching circuit, the atomizer and the second switching circuit are electrically connected in series. The atomizer is switched on when the first switching circuit and the second switching circuit are switched on simultaneously.

Abstract: The present disclosure relates to electronic cigarettes, and in particular to an electronic cigarette and a power control method thereof. The power control method is used for controlling an output power of a power device to a heating element, and the method includes: determining a target power; setting an intermediate power according to the target power, the intermediate power being less than the target power; controlling the power device to output a power to the heating element, and enabling the output power of the power device to directly reach the intermediate power at a first stage; adjusting the output power of the power device to gradually reach the target power at a second stage, a duration of the first stage being less than a duration of the second stage; and controlling the power device to constantly output the target power to the heating element at a third stage.

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: A vapor generation device is configured to heat a vapor generation article to generate an aerosol for inhalation, including: a cavity, configured to receive a vapor generation article; a susceptor, configured to be penetrated by a changing magnetic field and generate heat, to heat the vapor generation article received in the cavity; an extractor, at least partially received in the cavity and configured to extract the vapor generation article vapor generation article through movement in an axial direction of the cavity or removal from the cavity; an induction coil, configured to generate the changing magnetic field and held on the extractor; and a first electrical contact, configured to conduct with the induction coil when the extractor is received in the cavity, to supply power to the induction coil.

Abstract: An aerosol-generating system includes a reservoir containing an aerosol-forming substrate. The system also includes first and second heating elements and first and second liquid transfer elements. The first and second heating elements are spaced apart from the reservoir. The first and second liquid transfer elements are configured to deliver aerosol-forming substrate from the reservoir to the heating elements. The first liquid transfer element has first and second end portions and a portion between the first and second end portions at the first heating element. The second liquid transfer element has first and second end portions and a portion between the first and second end portions at the second heating element. The portion of the first liquid transfer element at the first heating element may extend in a first direction. The portion of the second liquid transfer element at the second heating element may extend in a second direction.

Abstract: The present disclosure relates to electronic cigarettes, and in particular to a control method of an electronic cigarette and an electronic cigarette. The method includes: activating an electromagnetic heating component to output a predetermined output power at a first stage, so that a heating device heats up; feedback controlling the output power of the electromagnetic heating component through a first PID algorithm according to the temperature information of the heating device and a preset preheating temperature, so that the heating device reaches the preheating temperature; and after the heating device reaches the preheating temperature, adjusting the output power of the electromagnetic heating component at a second stage, so that the heating device keeps a target smoking temperature, the target smoking temperature being less than the preheating temperature. The control method of the electronic cigarette provided in the embodiment adopts a combination of PID algorithms and electromagnetic heating.

Abstract: Proposed by the present application are an aerosol-producing device and a control method therefor. The device comprises: an inductance coil for generating a changing magnetic field; a capacitor, which forms an LC oscillator with the inductance coil; and a susceptor, which is penetrated by the changing magnetic field to generate heat. A PFM inverter driving module drives the LC oscillator to oscillate so as to make the inductance coil generate the changing magnetic field, and comprises: a bridge circuit and a PFM controller, wherein the PFM controller outputs a PFM signal to the bridge circuit so as to drive the bridge circuit to turn on or off so as to make the LC oscillator oscillate.

Abstract: An aerosol generation system (10), comprising at least one vaporization device (200a, 200b), a vaporizer (300) that is used to vaporize an aerosol generation substrate so as to generate an aerosol, and an airflow sensor (205).

Abstract: Provided is an aerosol generation device, the aerosol generation device comprising a chamber for receiving at least some of a smokable material; a magnetic field generator configured to generate a varying magnetic field; a susceptor configured to be penetrated by the varying magnetic field so as to generate heat, thereby heating the at least some smokable material received in the chamber; and a circuit configured to determine the temperature of the susceptor by acquiring a resistance value of the at least some of the material on the susceptor and on the basis of the resistance value. According to the aerosol generation device of the present application, the temperature of the susceptor is determined by measuring the resistance of the susceptor, and compared with a temperature measuring mode using a temperature sensor, production and preparation are more convenient and rapider, and the temperature measuring effect is more accurate.

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: A vaporizer includes an air inlet, an air outlet, and an airflow channel from the air inlet to the air outlet a liquid storage cavity storing a liquid aerosol-forming substrate; a first porous substrate, including a first liquid absorbing surface and a first vaporization surface, where the first liquid absorbing surface is in fluid communication with the liquid storage cavity, and a first heating element to heat the liquid aerosol-forming substrate is formed on the first vaporization surface; and a second porous substrate, including a second liquid absorbing surface and a second vaporization surface, where the second liquid absorbing surface is in fluid communication with the liquid storage cavity, and a second heating element configured to heat the liquid aerosol-forming substrate is formed on the second vaporization surface; and both the first vaporization surface and the second vaporization surface are in a flat shape and exposed to the airflow channel.

Abstract: This application discloses an aerosol generation apparatus, including: a liquid storage unit, configured to store a liquid for generating an aerosol; a heating element, configured to heat the liquid; a liquid transfer unit, configured to transfer the liquid stored in the liquid storage unit to the heating element a power supply, configured to supply power to the heating element and a circuit, configured to determine whether the liquid stored in the liquid storage unit has decreased to a threshold after a specific preset time point during a period when the heating element starts for heating, where the preset time point is determined according to a time when a resistance change rate of the heating element decreases to a first resistance change rate during the heating period. Hence, dry burning occurs in the second half of each inhalation can be accurately determined.

Abstract: A vaporization device includes a vaporizer and a first connection circuit. The power supply device includes a battery cell and a second connection circuit. The first connection circuit includes a data line port, a clock line port, two current input ports, a storage module connected to the data line port and the clock line port, and a bridge circuit connected between the storage module and the two current input ports. The second connection circuit includes two data transmission ports for corresponding connection to the data line port and the clock line port, a positive electrode output port and a negative electrode output port for corresponding connection to the two current input ports, and a controller connected to the two data transmission ports and two ends of the battery cell.

Abstract: An electronic vaporization device includes a liquid storage part internally having a liquid storage chamber for storing a liquid substrate and an airflow channel isolated from the liquid storage chamber; a vaporization element for vaporizing the liquid substrate to generate aerosol; a first shell that defines an air outlet hole for the aerosol to escape from the electronic vaporization device; and a second shell connected to the liquid storage part and covering a second part of the outer surface of the liquid storage part; the liquid storage part includes a protrusion part protruding from the first or the second part of the outer surface, at least part of an outer surface of the protrusion part is not covered by the first shell nor by the second shell. During assembly, only the first shell and the second shell need to be fixedly connected to the liquid storage part respectively.

Abstract: An electronic atomizing device includes a battery cell, a heating element, a charging socket used for power charging the battery cell, and an airflow sensor used for measuring airflows flowing through the electronic atomizing device and being formed by inhaling of users. The airflow sensor includes a first port and a second port. The first port includes two electrical connections. A first electrical connection is electrically connected with a positive electrode of the charging socket, and a second electrical connection is electrically connected with the heating element via a switch transistor. The second port is electrically connected with a positive electrode of the battery cell. The switch transistor is disposed to be switched on when the positive electrode of the charging socket is at a low voltage level, and disposed to be switched off when the positive electrode of the charging socket is at a high voltage level.

Abstract: A vapor generation device includes a housing. The housing includes a near end and a far end opposite to each other in a length direction, the near end being provided with a first opening, and the far end being provided with a second opening. The housing is internally provided with: a cavity, located between the first opening and the second opening; and a heater, extending in an axial direction of the cavity and surrounding at least a part of the cavity, and configured to heat an inhalable material received in the cavity, at least a part of the heater close to the far end including an inner diameter-reduced region, to provide a stop for the inhalable material received in the cavity during use. In the foregoing vapor generation device, an inner diameter-reduced part of the heater abuts against the inhalable material to provide support.

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: An electronic vaporization device includes a shell; a vaporizer, including a liquid storage unit configured to store a liquid, and a vaporization core configured to heat the liquid to generate an aerosol; a battery; a circuit board, including a first electrical contact portion and a second electrical contact portion; a first conductive connector, where an end of the first conductive connector abuts against the vaporization core to form an electrical connection, and the other end of the first conductive connector abuts against the first electrical contact portion to form an electrical connection; and a second conductive connector, spaced apart from the first conductive connector, where an end of the second conductive connector abuts against the vaporization core to form an electrical connection, and the other end of the second conductive connector abuts against the second electrical contact portion to form an electrical connection.

Abstract: An electromagnetic induction heating-type aerosol-producing device and a control method are used to heat a smokeable material produce an aerosol. The device comprises: an LC oscillator, an inductance coil of which is inductively coupled with a susceptor; a power supply for providing a pulse voltage to the LC oscillator; the susceptor, which is penetrated by a changing magnetic field to generate heat, thereby heating the smokable material; and a frequency detection module for detecting the oscillation frequency of the LC oscillator; and according to the detection result of the frequency detection module, a controller adjusts the frequency of the pulse voltage provided by the power supply to the LC oscillator. The oscillation frequency of the LC oscillator is detected in real time, and the frequency of the power supplied to the LC oscillator is constantly corrected according to the detection results.