Abstract: This application provides a vaporizer, an electronic vaporization device, and a seal element for a vaporizer. The vaporizer includes: a liquid storage cavity; a vaporization assembly, configured to vaporize a liquid substrate to generate an aerosol; a liquid channel, configured to provide a flowing path for the liquid substrate in the liquid storage cavity to flow to the vaporization assembly; and a seal element, including a blocking portion configured to seal the liquid channel and at least one weak region. The at least one weak region is constructed to be ruptured or broken, thereby releasing the seal of the liquid channel. Before use of the vaporizer, the liquid channel is sealed by the seal element to prevent the liquid substrate from being provided to the vaporization assembly; and in use, the liquid channel is unblocked by rupturing or breaking the weak region of the seal element.

Abstract: A vaporizer includes a housing having a liquid storage cavity; a vaporization assembly having a vaporization surface to vaporize a liquid substrate to generate aerosol; a support including a holding space to hold the vaporization assembly; a flexible seal element having an interference fit region to provide a seal between the housing and the vaporization assembly through an interference fit of a partial region to prevent the liquid substrate from flowing out from the liquid storage cavity through a region other than the vaporization surface; and an air channel to provide an airflow path for air to enter the liquid storage cavity, where the airflow path avoids the interference fit region, and the air channel includes a first part extending from an outer surface of the support to an inner surface of the holding space, and a second part extending between the seal element and a surface of the support.

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 e-cigarette cartridge includes a housing with an air inlet and an air outlet; and the housing is provided with a liquid storage cavity, a porous body, a vaporization cavity, a heating element, a support frame, and a vapor output channel, where the vaporization cavity is in airflow communication with the air inlet; the support frame is constructed to provide the porous body with support and holding; and the vapor output channel includes a first channel part and a second channel part that are formed on the support frame and extend in a width direction of the housing. One end of the first channel part is in communication with the vaporization cavity and the other end is in communication with the air outlet; one end of the second channel part is in airflow communication with the vaporization cavity and the other end is in airflow communication with the air outlet.

Abstract: The present application provides an aerosol generating device and an infrared emitter. The aerosol generating device comprises: a cavity, being configured to receive a smokable material; an infrared emission thin film, being configured to radiate infrared rays to the cavity so as to heat the smokable material. The aerosol generating device and the infrared emitter described above adopt thin film formation capable of radiating infrared rays to heat the smokable material, and the thin film may be conveniently obtained and then wound for fixation, which is more convenient in production and preparation as well as disassembly and replacement during use as compared to the infrared emitter with printed coating.

Abstract: A vaporizer includes a liquid storage cavity for storing a liquid substrate; a porous body in fluid communication with the liquid storage cavity to receive the liquid substrate; a heating element combined with the porous body to heat the liquid substrate to generate an aerosol; a holder to hold the porous body; and a seal element, arranged between the holder and the porous body to seal a gap between the holder and the porous body, where the seal element includes a plurality of side walls surrounding the porous body along a circumferential direction of the porous body and an upper end wall. The seal element includes convex ribs extending on outer surfaces of the plurality of side walls and the upper end wall or on inner surfaces of the plurality of side walls and the upper end wall, and the convex ribs are connected into at least one closed ring.

Abstract: Provided are an atomizer of an electronic cigarette, and the electronic cigarette. The atomizer comprises a liquid storage chamber for storing a liquid matrix; an air channel, which provides a flow path for allowing external air to enter the liquid storage chamber and has a communication port for allowing external air to enter the liquid storage chamber; and a sealing element comprising a shielding portion that shields the communication port. The shielding portion can open at least part of the communication port in response to a negative pressure change in the liquid storage chamber to allow external air to enter the liquid storage chamber.

Abstract: This application provides an e-cigarette vaporizer and an e-cigarette. The e-cigarette vaporizer includes an outer housing including an open end and an end cap arranged at the open end, where a liquid storage cavity and a sealing base configured to seal the liquid storage cavity are provided in the outer housing; a sealing ring is arranged between the end cap and the outer housing; a vaporization cavity is provided between the sealing ring and the sealing base, and the liquid substrate is vaporized in the vaporization cavity to generate aerosol released to the vaporization cavity; and a plurality of liquid storage grooves configured to adsorb and hold aerosol condensate are provided in the vaporization cavity. The e-cigarette vaporizer uses the liquid storage groove for absorbing the condensate through the capillary action, and prevents the condensate from being taken out along with inhaling airflow during inhaling.

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 aerosol-generating device comprises an infrared emitter and an electric core for supplying power to the infrared emitter; the infrared emitter comprises at least one first infrared emission region and at least one second infrared emission region arranged in sequence along the circumferential direction of the chamber; the first infrared emission region and the second infrared emission region are independently activatable to independently radiate infrared rays into the chamber to heat different portions of the smokable material. In the above aerosol-generating device, the regions of the smokable material receiving chamber which are different along the circumferential direction correspond to the first infrared emission region and the second infrared emission region, respectively, and can be independently heated by the first infrared emission region and the second infrared emission region, respectively, in use, so that the smokable material can be gradually heated from part to whole in use.

Abstract: The present invention discloses a platform and method for intelligent management of integration of construction and maintenance of rail transportation work, comprising: a work construction information sharing module based on GIS and BIM is configured to realize the integration and data sharing between BIM model of each station and section of the rail transportation and a 3D geological management platform of rail transportation; a work construction informatization management module based on progress control is configured to provide an information control of work preparation plan, contract performance and measurement and pricing, safety and quality investigation, risk early warning and design change in the work construction stage; a rail transportation operation and maintenance module based on the integration of construction and maintenance is configured to provide an information management and control of equipment, materials and safety risk early warning in the rail transportation operation and maintenance sta