Abstract: A heater includes a base body, a conductive module, and an infrared electrothermal coating. The conductive module includes a first electrode and a second electrode spaced on the base body. The first electrode includes a first bar electrode axially extending from a first end to a second end, the second electrode includes a second bar electrode axially extending from the first end to the second end, and at least a part of the infrared electrothermal coating is located between the first bar electrode and the second bar electrode. An equivalent resistance of a part of the infrared electrothermal coating adjacent to the first end is less than an equivalent resistance of a middle part of the infrared electrothermal coating. An equivalent resistance of a part of the infrared electrothermal coating adjacent to the second end is less than the equivalent resistance of the middle part of the infrared electrothermal coating.

Abstract: An atomizer of an electronic cigarette includes an outer housing, and the outer housing is internally provided with a liquid storage cavity and an atomization assembly; the atomization assembly includes a first side wall and a second side wall opposite to each other, and an atomization surface extending from the first side wall to the second side wall; a holder is provided within the outer housing, and the holder is provided with a first surface opposite to the atomization surface along the axial direction of the outer housing; and an atomization cavity is formed between the first surface and the atomization surface; and the first surface is configured to be inclined towards the atomization surface along the extension direction of the atomization surface, and is configured to receive a liquid substrate seeped from the atomization assembly and/or condensate formed by condensation of the aerosol within the atomization cavity.

Abstract: An atomizer and an electronic atomization device are provided. The atomizer includes a main housing. The main housing has: a liquid storage cavity configured to store a liquid substrate, the liquid storage cavity having an opening; a first liquid guide element configured to cover the opening and absorb and store the liquid substrate from the liquid storage cavity; a flexible second liquid guide element, a portion thereof being arranged to extend into the liquid storage cavity to directly absorb the liquid substrate from the liquid storage cavity, and a portion thereof comes into contact with the first liquid guide element to indirectly absorb, from the first liquid guide element, the liquid substrate from the liquid storage cavity; and a heating element coupled to the second liquid guide element and configured to heat at least part of the liquid substrate held on the second liquid guide element to generate an aerosol.

Abstract: An aerosol generating device, and a heater for an aerosol generating device. The aerosol generating device includes the heater that is configured to be inserted into an aerosol generating product for heating. The heater includes: a housing, which includes a free front end and a tail end arranged away from each other in a length direction, and a cavity extending between the free front end and the tail end; a porous matrix, which extends in the cavity; and a heating coil, which is located in the cavity and is at least partially arranged around the porous matrix. In the aerosol generating device, the heating coil of the heater is arranged around the porous matrix, which is conducive to increasing the length of a high-temperature zone of the heater and reducing power consumption.

Abstract: A heater, an atomizer and an aerosol generation device are provided. The atomizer includes a liquid storage cavity used for storing a liquid substrate; a porous liquid guide body, including a first end and a second end longitudinally opposite each other and an outer side surface extending between the first end and the second end; a heating element bonded to the porous liquid guide body and used for atomizing a liquid substrate absorbed by the porous liquid guide body; and sealing elements surrounding parts of the outer side surface of the porous liquid guide body. The outer side surface of the porous liquid guide body is provided with a ventilation groove. The ventilation groove includes a first portion and a second portion, which are in communication with each other.

Abstract: This application provides a composition and a product thereof. The composition includes arecoline and an acid. The composition is convenient to use and widely used, with a low pH value and weak irritation.

Abstract: An electronic atomization device, a susceptor and a method thereof are provided. The electronic atomization device includes: a liquid storage cavity, configured to store an atomizable liquid substrate; a magnetic field generator, configured to generate a varying magnetic field; and a susceptor, including a first metal material configured to be penetrable by the varying magnetic field to generate heat, to heat the liquid substrate from the liquid storage cavity to generate aerosols, a metal layer being formed on a surface of the susceptor, and the metal layer including a second metal material different from the first metal material.

Abstract: An aerosol generating device and a heating module are provided. The aerosol generating device includes a power supply assembly including a positive electrode output end and a negative electrode output end; a heating module including a plurality of heating members and a plurality of electrodes, the plurality of heating members including a first heating member and a second heating member, the plurality of electrodes including a first electrode, a second electrode and a third electrode, the first electrode being electrically connected to the first heating member, the second electrode being electrically connected to the first heating member and the second heating member, and the third electrode being electrically connected to the second heating member; and a switch control circuit, connected to the power supply assembly and the plurality of electrodes.

Abstract: An atomizer and an electronic atomization device are provided. The atomizer includes a housing assembly, in which a liquid storage chamber for storing a liquid substrate is arranged. The housing assembly includes a first part and a second part longitudinally arranged. An air outlet is formed on an end of the first part. At least part of the liquid storage chamber is defined by the first part. The second part longitudinally extends from an end of the first part away from the air outlet. A radial size of the second part is reduced relative to that of the first part. The atomize further includes a susceptor accommodated in the second part and configured to be penetrated by a variable magnetic field to generate heat, for heating the liquid substrate from the liquid storage chamber to generate an aerosol; and an airflow channel for guiding the aerosol to the air outlet.

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 generating apparatus and a method for counting a number of puffs of a user are provided. The apparatus includes a heater configured to heat an aerosol generating product to generate an aerosol for the user to inhale, a power source electrically connected to the heater to cause a temperature on the heater to reach a target temperature corresponding to each puff of the user, and a controller connected to the heater. The controller is configured to: during operation of the aerosol generating apparatus, detect an actual temperature of the heater, determine a temperature change speed, add 1 to a number of puffs of the user each time the temperature change speed meets a preset condition, and record the number of puffs. The temperature change speed is a change amount of the actual temperature of the heater relative to the target temperature per unit time.

Abstract: An aerosol producing product, a preparation method and an aerosol producing system are provided. The aerosol producing product includes an external wrapper, and an aerosol forming substrate and an infrared absorption material which are limited in the external wrapper. The infrared absorption material absorbs infrared rays for heating the aerosol forming substrate through radiation. The wavelength range of the absorption peak of the infrared absorption material at least partially coincides with the wavelength range of the absorption peak of moisture in the aerosol forming substrate. When the aerosol producing product is heated, the infrared absorption material absorbs the infrared rays used for heating the aerosol forming substrate through radiation.

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.