Abstract: The present disclosure relates to the field of smoking sets and provides a heater and a cigarette utensil containing same. The heater comprises a base having a surface; and a first electrode film, an infrared film, and a second electrode film are sequentially formed on the surface of the base along the direction perpendicular to the surface of the base, wherein the first electrode film and the second electrode film are electrically connected to a power supply. The infrared film is used for generating the heat under the function of the electric power, and transferring the generated heat to an aerosol forming matrix at least in an infrared radiation manner to generate the aerosol for inhaling. The conductive cross-sectional area of the infrared film is increased, the electric heating conversion rate of the infrared film is increased, the pre-heating time of the aerosol forming matrix is shortened, and the user experience is improved.

Abstract: A heater includes: a base body; an infrared electrothermal coating, including a first infrared electrothermal coating and a second infrared electrothermal coating formed spaced apart on a surface of the base body; and a conductive element, including a first electrode, a second electrode, and a common electrode arranged spaced apart on the base body, where a conductive portion of the first electrode is electrically connected to the first infrared electrothermal coating, a conductive portion of the second electrode is electrically connected to the second infrared electrothermal coating, and a conductive portion of the common electrode is electrically connected to the first infrared electrothermal coating and the second infrared electrothermal coating; and coupling portions of the first electrode, the second electrode, and the common electrode are all arranged adjacent to two ends of the base body to couple a power supply to feed an electric power to the infrared electrothermal coating.

Abstract: A vaporizer and an electronic vaporization device is provided. The vaporizer includes a liquid storage cavity to store a liquid substrate; a seal element partially sealing the liquid storage cavity; a holder to support the seal element to locate the seal element between the holder and the liquid storage cavity; and a first air channel, providing a first flowing path for air to enter the liquid storage cavity, where the first air channel is partially defined by the holder, and has an air outlet end formed on a surface of the holder; the seal element has a blocking part configured to seal the air outlet end; and the blocking part has a free end away from a center of the seal element, and the free end is configured to bend or deform in response to a negative pressure change in the liquid storage cavity, to open the air outlet end.

Abstract: An atomizer and an electronic atomization device are provided. The electronic atomization device includes an atomizer and a power supply mechanism. The atomizer includes a proximal end and a distal end facing away from each other in a longitudinal direction, an air inhalation port, a liquid storage cavity, a porous body, a through hole, and a heating element. The air suction port is located at the proximal end. The liquid storage cavity is configured to store a liquid substrate. The porous body includes a first end close to the proximal end and a second end close to the distal end. The through hole includes a first section close to the first end and a second section close to the second end. A cross-sectional area of the second section at the second end is greater than a cross-sectional area thereof close to the first section.

Abstract: The present application relates to the technical field of smoking sets, and embodiments of the present application are a heating assembly and an electric heating smoking set. The heating assembly comprises: a heating tube comprising a tube body and a conductive part formed on the tube body; at least a base, the base being connected to the tube body; an insulating element provided between the base and the tube body; and a conductive element provided on the base and comprising a first part and a second part which are electrically connected to each other, wherein the first part is located between the insulating element and the tube body and makes contact with the conductive part to form electric connection, the second part deviates in the direction away from the tube body with respect to the first part, and the second part is used for being coupled with a power source.

Abstract: A heating assembly and an aerosol generation device are provided. The heating assembly includes a tubular body having a cavity. A near end of the tubular body is open and used for allowing an aerosol forming substrate to enter the cavity. The tubular body has a heating area and a blank area. A part of the heating area and a part of the blank area are arranged to surround a periphery of the aerosol forming substrate. A temperature and/or temperature rising speed of the blank area is lower than a temperature and/or temperature rising speed of the heating area. A near end of the heating area is closer to the near end of the tubular body than a far end thereof. The far end of the heating area and a far end of the tubular body are spaced apart from each other in a longitudinal direction of the tubular body.

Abstract: The present invention provides a heating assembly and a low-temperature smoking set, wherein the heating assembly comprises a heating body and a cavity for containing at least a part of the cigarette, the heating body comprises a base, an infrared radiation layer and an electrode, the base comprises a surface, the infrared radiation layer is arranged on the surface for generating infrared radiation to heat at least a part of the cigarette located in the cavity; at least a part of the electrode is recessed from the surface and buried in the base so that the electrode and the base are formed into an integral structure, and the electrode is electrically connected with the infrared radiation layer. The present utility model well prevents the infrared radiation layer from being scraped off and prevents the electrode from falling off.

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 e-cigarette, an e-cigarette vaporizer, and a vaporization assembly are provided. The e-cigarette vaporizer includes: a liquid storage cavity, configured to store a liquid substrate; a porous body, in fluid communication with the liquid storage cavity to absorb the liquid substrate; and a heating element, including a first electrode connection portion, a second electrode connection portion, and a resistance heating trajectory extending between the first electrode connection portion and the second electrode connection portion. A curvature of any position on a part of the resistance heating trajectory close and connected to the first electrode connection portion and/or the second electrode connection portion is not zero. The heating element of the e-cigarette vaporizer adopts the resistance heating trajectory to perform heating, and causes a part of the resistance heating trajectory that is close and connected to an electrode connection portion to be in a bending shape whose curvature is not zero.

Abstract: An aerosol-generation device includes a cavity, configured to receive an aerosol-forming substrate; a heater, configured to heat the aerosol-forming substrate received in the cavity; a heat insulation tube, arranged outside the heater, where the heat insulation tube has an inner tube and an outer tube that are arranged along a radial direction of the cavity, and a sealing space is formed between the inner tube and the outer tube; and the sealing space is filled with gas; and a heat insulation layer, arranged between the heater and the heat insulation tube. In this application, the heat insulation layer can reduce radiant heat transfer of the heater, and the heat insulation tube arranged outside the heater can further prevent the heat from being transferred outward, thereby preventing a user from feeling hot due to a high shell temperature of the aerosol-generation device, and improving user experience.

Abstract: This application provides an aerosol generation device and a control method thereof. The aerosol generation device includes, a housing, provided with a through hole and an air inlet; a cavity, where an aerosol-forming substrate is received in the cavity or removed from the cavity through the through hole; a heater, configured to heat the aerosol-forming substrate received in the cavity; a heat drain device, arranged on a gas flow path extending between the air inlet and the through hole; and a circuit, configured to, after the heater starts for heating and before the heater enters an inhalation stage, control the heat drain device to start operation to drain hot air generated by heating out of the housing along the gas flow path. Before a smoker inhales on the aerosol generation device, the heat drain device drains an aerosol comprising vapor out of the housing.

Abstract: An aerosol generation apparatus and an induction coil are provided are provided. The aerosol generation device includes: a chamber used to receive or store an aerosol generation substrate; an induction coil used to generate a changing magnetic field; and a susceptor configured to be penetrated by the changing magnetic field and generate heat, thereby heating the aerosol generation substrate to generate an aerosol. The induction coil is structured as a solenoid coil, and a cross section of a wire material forming the induction coil has a first dimension extending along a radial direction and a second dimension extending along an axial direction, the first dimension being greater than the second dimension. The wire material of the induction coil has a smaller or thinner size in the axial direction, and there are more coil turns or windings per unit length, which is beneficial to increasing the inductance 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 atomizer, an electronic atomization device, a porous body, and a preparation method are provided. The atomizer includes: an e-liquid storage cavity, configured to store an e-liquid matrix; a porous body, communicated to the e-liquid storage cavity to absorb the e-liquid matrix; and a heating element, at least partially bonded with the porous body, to heat at least part of the e-liquid matrix in the porous body to generate an aerosol. The porous body is formed by sintering gel, and the gel is obtained by gelation of sol that contains silicon and/or a metal.

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 electronic atomization device and a control method thereof are provided. The electronic atomization device includes a power supply assembly and an atomizer. The atomizer includes a susceptor. The power supply assembly includes a battery cell; an inverter, including at least one resonant component, the inverter being configured to generate a varying magnetic field; and a controller, configured to control the battery cell to provide a pulse voltage for the inverter, to detect whether the atomizer is connected to the power supply assembly, and further configured to adjust a resonance frequency of the inverter and/or a voltage value of the pulse voltage when detecting whether the atomizer is connected to the power supply assembly, so that a resonance voltage of the inverter is lower than a voltage resistance value of the at least one resonant component.

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: A smoking set control circuit for a smoking set includes: a power circuit first and second sampling circuits; a voltage regulating circuit having power tubes; a microcontroller configured to: control the power tubes to work at a plurality of different preset switching frequencies; acquire first electrical parameters and second electrical parameters at different preset switching frequencies, and accordingly determine corresponding efficiencies of the voltage regulating circuit at different preset switching frequencies; control the power tube to take the preset switching frequency corresponding to the highest efficiency among the corresponding efficiencies as the working frequency.