Smoore International Patente

This application relates to the field of electronic atomization technologies, and in particular, to an atomization core, an atomizer, and an electronic atomization device. This application provides an atomization core. The atomization core includes a porous substrate and a heating element. The porous substrate is a porous glass-ceramic substrate. A tortuosity factor of the porous glass-ceramic substrate ranges from 1 to 2.5. In this application, the tortuosity factor of the porous glass-ceramic substrate is controlled to be in a range of 1 to 2.5, and a through-hole path is relatively short, so as to achieve a desirable e-liquid guiding effect.

Embodiments of the present disclosure provide an atomizer and an electronic atomization device. The atomizer includes: a first liquid storage tank, including first internal space configured to accommodate an atomization medium and an atomization cavity formed inside the first liquid storage tank; a second liquid storage tank, including second internal space configured to accommodate a sacrificial medium, where the second liquid storage tank is provided with a first vent hole configured to allow air to enter the second internal space, a viscosity of the sacrificial medium is less than a viscosity of the atomization medium, the second internal space is in communication with the first internal space through a connection channel, and the connection channel is internally provided with a separator configured to allow the air to pass through and prevent the atomization medium and the sacrificial medium from passing through; an atomization core, arranged in the atomization cavity and configured to heat the atomization medium; and a leaked liquid collecting tank, configured to collect the sacrificial medium leaked from the second internal space through the first vent hole.

This application relates to the field of electronic atomization technologies, and in particular, to an atomization core, an atomizer, and an electronic atomization device. The atomization core provided in this application includes a porous substrate and a heating element. The porous substrate is a porous glass-ceramic substrate. Any 2 measurement areas on the porous glass-ceramic substrate are respectively denoted as a first measurement area and a second measurement area. By atomic percentage, a main element content in the first measurement area is denoted as Mat%, and a corresponding main element content in the second measurement area is denoted as Nat%, where |M-N|/M is less than 10% and/or |M-N|/N is less than 10%; the length of the measurement area is at least greater than 1 µm; and the main element is an element with an element content greater than 20 at% in the porous glass-ceramic substrate. Through control of the foregoing conditions, strength of the porous substrate can be effectively enhanced, the substrate exhibits better stability, and a service life thereof is effectively prolonged.

The present application belongs to the technical field of electronic cigarettes. The present application provides an atomizing core, including a substrate, where a tantalum thin-film is provided on the surface of the heating film away from the substrate; where the heating film is made of elemental metal or an alloy material having a melting point of 1400 °C or more, and a resistivity of less than 5 × 10<-7> Ωm, and the resistance of the tantalum thin-film is at least five times the resistance of the heating film. According to atomizing core of the present application, it is ensured that current mainly passes through a layer of the heating film having a low resistance. The amount of heat generated by the tantalum thin-film is not high, and the heat is mainly concentrated at the end of the heating film. This can effectively improve the high-temperature oxidation resistance of the heating film and the tantalum thin-film, enabling the entire atomizing core to have a strong resistance to dry-heating. In addition, the tantalum thin-film can significantly prevent the high-temperature electrochemical corrosion of a heating thin-film by an atomizing substrate, which improves the high-temperature wet-heating resistance and prolongs the service life. Therefore, the atomizing core of the present application has strong resistance to both dry-heating and wet-heating, and is a long-life atomizing core.

This application relates to an electronic atomization device, and a control method and apparatus thereof. The electronic atomization device includes: a heating element (130), an atomization surface of the heating element (130) being provided with a porous heating film; a power supply module (110), configured to supply energy to the heating element (130); and a processing module (120), configured to control the power supply module (110) to alternately supply energy to the heating element (130) according to a first preset power and a second preset power after detecting that the electronic atomization device is being puffed, where the first preset power is greater than the second preset power, the second preset power is greater than or equal to a minimum atomization power of an atomization substrate in the electronic atomization device, and an average power of the power supply module (110) is equal to a preset power when a puffing time during which the electronic atomization device is being puffed is greater than or equal to a preset time.

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This application relates to the technical field of porous materials, and in particular to a porous glass with multi-directional communication pores, an atomization core, and an electronic atomizer. The porous glass with multi-directional communication pores provided in this application includes a skeleton and multi-directional communication pores, where the multi-directional communication pore is a spherical pore and in communication with at least 6 pores around the multi-directional communicating pore. By defining the structure of the communication pore, this application enables an atomization liquid substrate such as an e-liquid to have a fast transmission speed and small differences in transmission paths. Multi-channel communication mitigates the problem of insufficient local e-liquid supply or unbalanced e-liquid supply in the atomization core, improves the local coking phenomenon during the vaping process, and enhances the taste and vaping experience of e-cigarettes.

This application relates to the field of porous material technologies, and specifically relates to a porous glass material having uniform pore channels, a vaporization core, and an electronic vaporizer. The porous glass material having uniform pore channels includes a framework and multi-directional interconnected pores. where multi-directional interconnected pores are connected to each other by pore throats. The pore throats have the average diameter of 25 to 45 micrometers, the sizes of the pore throats are distributed across the range of 5 to 60 micrometers, and the sizes of more than 50% of the pore throats are distributed across the range of 20 to 45 micrometers. In this application, with sizing of the pore throats, the dimensions of interconnected channels between pores are made uniform, avoiding uneven liquid guiding rate and localized overheating during use of the vaporization core. This avoids localized coking and carbon deposition, ensuring stable vapor generation with negligible performance degradation during vaping. Compared to a commercially available ceramic heating element, a porous glass substrate exhibits significantly reduced carbon deposition under the same conditions in vaping applications. In addition, the liquid guiding rate is significantly increased, with a maximum increase of 33% or greater compared with the commercially available porous ceramic heating element.

The present invention discloses a heat-not-burn device and a control method thereof. The control method includes: detecting, in real time after startup, whether an inhalation action occurs; controlling a heating component to start heating and remain at a preset target temperature when detecting that the inhalation action occurs, to enable the heating component to heat a corresponding region of an aerosol generating substrate, where the heating component is located at the periphery of the aerosol generating substrate and deviates from the central axis of the aerosol generating substrate; and controlling, when detecting that the inhalation action stops, the heating component and/or the aerosol generating substrate to rotate along the central axis of the aerosol generating substrate, to enable the heating component and the aerosol generating substrate to generate a corresponding displacement in the circumferential direction of the aerosol generating substrate.

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This application discloses a heating assembly, an atomizer, and an electronic atomization device. The heating assembly includes: a substrate, including a liquid absorption surface and an atomization surface that are oppositely disposed, where at least one liquid guide channel that runs through the liquid absorption surface and the atomization surface is provided on the substrate; and the liquid guide channel includes at least two liquid guide holes, and the liquid guide holes run through the liquid absorption surface and the atomization surface; and ports that are of two adjacent liquid guide holes in the liquid guide channel and that are located on the atomization surface overlap with each other and ports that are of two adjacent liquid guide holes and that are located on the liquid absorption surface are spaced apart from each other. Ports that are of two adjacent liquid guide holes in the liquid guide channel and that are located on the atomization surface overlap with each other, so as to increase the volume porosity on the atomization surface, improve the liquid feeding effect, and ensure sufficient liquid feeding. Ports that are of two adjacent liquid guide holes in the liquid guide channel and that are located on the liquid absorption surface are spaced apart from each other, so as to avoid an excessively large amount of liquid to be provided on the atomization surface, thereby preventing liquid spitting, and helping to reduce backflow during heating and atomization.

This application discloses a heating assembly, an atomizer, and an electronic atomization device, where the heating assembly includes a substrate and a heating film. The substrate includes a liquid absorbing surface and an atomizing surface that are oppositely disposed, the substrate is provided with a plurality of liquid guiding holes that run through the liquid absorbing surface and the atomizing surface. The heating film is disposed on the atomizing surface, the liquid guiding holes extend to the heating film and run through the heating film. A current flow direction in the heating film is defined as a first direction, a direction perpendicular to the current flow direction in the heating film is defined as a second direction, and the arrangement density of the plurality of liquid guiding holes in the first direction is greater than the arrangement density of the plurality of liquid guiding holes in the second direction, thereby ensuring the stability of the heating film while increasing the porosity of the substrate.

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