WO2025001071A1 - 一种气溶胶生成基质及微波加热方法 - Google Patents

一种气溶胶生成基质及微波加热方法 Download PDF

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Publication number
WO2025001071A1
WO2025001071A1 PCT/CN2024/072300 CN2024072300W WO2025001071A1 WO 2025001071 A1 WO2025001071 A1 WO 2025001071A1 CN 2024072300 W CN2024072300 W CN 2024072300W WO 2025001071 A1 WO2025001071 A1 WO 2025001071A1
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WO
WIPO (PCT)
Prior art keywords
aerosol
wall
aerosol generating
generating substrate
wall body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2024/072300
Other languages
English (en)
French (fr)
Inventor
李航
李永福
刘咏名
倪军
杜靖
汤建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Smoore Technology Ltd
Smoore International Holdings Ltd
Original Assignee
Shenzhen Smoore Technology Ltd
Smoore International Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Smoore Technology Ltd, Smoore International Holdings Ltd filed Critical Shenzhen Smoore Technology Ltd
Priority to EP24829734.3A priority Critical patent/EP4736679A1/en
Priority to KR1020267000402A priority patent/KR20260020472A/ko
Publication of WO2025001071A1 publication Critical patent/WO2025001071A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves

Definitions

  • the present application relates to the technical field of smoking products, and in particular to an aerosol generating substrate and a microwave heating method.
  • the aerosol generating substrate generally generates aerosol by heating without burning. Specifically, the aerosol generating substrate is heated by an external heat source so that it is heated just enough to emit a fragrance. The aerosol generating substrate does not burn, but instead loads an atomizer and releases the atomizer by heating when in use to form smoke.
  • the methods for heating the aerosol generating matrix include resistance heating, electromagnetic heating, microwave heating, etc.
  • the aerosol generating matrix needs to be preheated. After preheating, the user can continue to inhale a predetermined number of puffs of the aerosol generating matrix to achieve the purpose of inhaling aerosol.
  • the density of the physical structure of the aerosol generating matrix is relatively high.
  • the extraction efficiency of the aerosol generating matrix is greatly reduced and cannot meet the requirements of instant extraction.
  • the embodiments of the present application hope to provide an aerosol generation matrix and a microwave heating method that can improve the aerosol extraction efficiency.
  • an embodiment of the present application provides an aerosol generating substrate, wherein the aerosol generating substrate has at least one aerosol release channel, and the thickness of the wall of the aerosol release channel constructed by the aerosol generating substrate is 0.1 mm to 1.2 mm.
  • the wall has a thickness of 0.3 mm to 0.5 mm.
  • the thickness difference of the wall at different positions of the aerosol generating substrate is 0 to 100%.
  • the aerosol-generating substrate is an extruded structure.
  • the cross-sectional area of each aerosol release channel is S1
  • the cross-sectional area of the wall forming the corresponding aerosol release channel is S2
  • S1:S2 1:1-5:1.
  • the wall body includes a first wall body, which constructs the outer contour of the aerosol generating matrix; a portion of the inner surface of the first wall body is recessed toward the outer side of the aerosol generating matrix, so that a plurality of first grooves arranged at intervals are formed on the inner peripheral side of the first wall body.
  • the wall body includes a first wall body, which constructs the outer contour of the aerosol generating matrix; a portion of the outer surface of the first wall body is recessed toward the inner side of the aerosol generating matrix, so that a plurality of second grooves arranged at intervals are formed on the outer peripheral side of the first wall body.
  • the aerosol generating substrate has a plurality of the first grooves and a plurality of the second grooves, and the first grooves and the second grooves are arranged opposite to each other one by one along the thickness direction of the wall.
  • the wall body includes a first wall body and a second wall body, wherein the first wall body constructs the outer contour of the aerosol generating substrate and a hollow area located inside the aerosol generating substrate, and the second wall body is arranged in the hollow area to separate the hollow area into at least two aerosol release channels.
  • each second wall body there are multiple second wall bodies, one side of each second wall body is connected to the first wall body, and the other sides opposite to each second wall body are connected to each other.
  • the aerosol release channel includes at least one first aerosol release channel and a plurality of second aerosol release channels, and the plurality of second aerosol release channels surround the first aerosol release channel.
  • the wall body includes a first wall body, a plurality of second wall bodies, and a ring-shaped
  • the third wall body, the first wall body constructs the outer contour of the aerosol generating matrix and the hollow area located inside the aerosol generating matrix; multiple second wall bodies and the third wall body are arranged in the hollow area, one side of each second wall body is respectively connected to the first wall body, and the other side opposite to each second wall body is respectively connected to the third wall body;
  • the first aerosol release channel is constructed in the third wall body, and the first wall body, the third wall body and two adjacent second wall bodies jointly construct the second aerosol release channel.
  • the wall is provided with air holes.
  • the wall has a wave absorbing material.
  • the wall is used to absorb microwaves and generate heat to generate aerosol.
  • one end of the aerosol release channel is an open end that penetrates the aerosol generating substrate, and the other end of the aerosol release channel opposite to the aerosol release channel is a closed end.
  • both opposite ends of the aerosol release channel are open ends that penetrate the aerosol generating substrate.
  • Another embodiment of the present application provides a microwave heating method for the above-mentioned aerosol-generating substrate, the method comprising:
  • the aerosol generating substrate is heated by microwaves so that the aerosol generated by the aerosol generating substrate is released into the aerosol releasing channel.
  • the number of the aerosol release channels is multiple, and the method includes:
  • the walls of some of the aerosol release channels among the plurality of aerosol release channels are heated each time.
  • the aerosol release channel includes at least one first aerosol release channel and a plurality of second aerosol release channels, and the plurality of second aerosol release channels surround the first aerosol release channel.
  • the method includes:
  • the walls of some of the second aerosol release channels among the plurality of second aerosol release channels are heated each time.
  • the embodiment of the present application provides an aerosol generating substrate and a microwave heating method, wherein the aerosol generating substrate has at least one aerosol release channel, and the aerosol generating substrate is configured to form an aerosol release channel.
  • the thickness of the wall is 0.1 mm to 1.2 mm.
  • the thickness of the wall is set within the range of 0.1 mm to 1.2 mm, which is conducive to the rapid release of aerosol during the heating process. While improving the aerosol extraction efficiency, it can also ensure the carbonization rate of the aerosol generation matrix and improve the utilization rate. In addition, this thickness range can also make the aerosol generation matrix have sufficient structural strength and is not easy to deform.
  • FIG1 is a schematic structural diagram of a first aerosol generating substrate according to an embodiment of the present application.
  • FIG2 is a schematic cross-sectional view of the aerosol generating substrate shown in FIG1 ;
  • FIG3 is a schematic diagram of the structure of a second aerosol generating substrate according to an embodiment of the present application.
  • FIG4 is a schematic cross-sectional view of the aerosol generating substrate shown in FIG3 ;
  • FIG5 is a schematic structural diagram of a third aerosol generating substrate according to an embodiment of the present application.
  • FIG6 is a schematic cross-sectional view of the aerosol generating substrate shown in FIG5 ;
  • FIG7 is a schematic structural diagram of a fourth aerosol generating substrate according to an embodiment of the present application.
  • FIG8 is a schematic cross-sectional view of the aerosol generating substrate shown in FIG7 ;
  • FIG9 is a schematic cross-sectional view of a fifth aerosol generating substrate according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a microwave heating method according to an embodiment of the present application.
  • the embodiment of the present application provides an aerosol generating substrate 100, please refer to Figures 1 to 9, the aerosol generating substrate 100 has at least one aerosol release channel 10, and the thickness of the wall 20 of the aerosol release channel 10 constructed by the aerosol generating substrate 100 (the letter D in Figures 2, 4, 6 and 8 represents the thickness of each wall 20) is 0.1mm ⁇ 1.2mm (including the endpoint values).
  • the aerosol generating substrate 100 is used in conjunction with an aerosol generating device having a heating component. Specifically, the heating component heats and atomizes the aerosol generating substrate 100 to generate an aerosol for inhalation by a user or for use in medicine, beauty, etc.
  • the heating methods include central heating and peripheral heating.
  • the central heating method refers to the heating component being inserted into the aerosol generating substrate 100 to heat the aerosol generating substrate.
  • the periphery heating method refers to that the heating component is arranged at the periphery of the aerosol generating substrate 100 to bake and heat the aerosol generating substrate 100 from the outside to the inside.
  • These heating methods can specifically be resistance heating, electromagnetic heating, infrared heating, microwave heating, laser heating, etc.
  • the aerosol-generating substrate 100 is used for microwave heating, and the wall of the aerosol-generating substrate 100 can be used to absorb microwaves and generate heat to generate aerosol.
  • the aerosol generating substrate 100 can be made of an atomizing medium itself, such as a smoke flavoring medium.
  • the aerosol generating substrate 100 can also include a substrate and an atomizing medium disposed on the substrate.
  • the substrate can be, for example, high-temperature resistant carbon fiber. In this way, by providing the substrate, the strength of the aerosol generating substrate 100 can be improved, and it can also withstand a certain degree of high temperature without generating odor.
  • the aerosol generating matrix 100 may include plant components, auxiliary components, smoke generating agent components, adhesive components, and the like.
  • the plant component is one or more combinations of powders formed by crushing tobacco raw materials, tobacco leaf fragments, tobacco stems, tobacco dust, and aromatic plants.
  • the plant component is the core source of the flavor of the product. Endogenous substances in the plant component, such as nicotine, enter the human blood through atomization, promote the pituitary gland to produce dopamine, and thus obtain physiological satisfaction.
  • the auxiliary agent component can be one or more combinations of inorganic fillers, lubricants, and emulsifiers.
  • the inorganic filler includes one or more combinations of heavy calcium carbonate, light calcium carbonate, zeolite, attapulgite, talc, and diatomaceous earth.
  • the inorganic filler can provide a skeleton support for the plant component, and the inorganic filler also has micropores, which can increase the porosity of the wall material after the plant component is formed, thereby increasing the aerosol release rate.
  • the lubricant includes one or more combinations of candelilla wax, carnauba wax, shellac, sunflower wax, rice bran, beeswax, stearic acid, and palmitic acid.
  • the lubricant can increase the fluidity of the particles, reduce the friction between the particles, make the overall density of the particle distribution more uniform, and also reduce the pressure required for mold molding and reduce the wear of the mold.
  • Emulsifiers include one or more combinations of polyglycerol fatty acid esters, Tween-80, and polyvinyl alcohol. Emulsifiers can slow down the loss of flavor substances during storage to a certain extent and increase the stability of flavor substances. Emulsifiers (also called surfactants) can reduce the interfacial tension of water-soluble and water-insoluble components in a mixed system and form a relatively strong film on the surface of the droplets or form a double electric layer on the surface of the droplets due to the charge given by the emulsifier, preventing the droplets from aggregating with each other and maintaining a uniform emulsion. Emulsifying and homogenizing two immiscible components can improve the consistency of product quality.
  • the smoke-generating agent component may include, for example: a monohydric alcohol (such as menthol); a polyhydric alcohol (such as propylene glycol, triethylene glycol, 1,3-butylene glycol and glycerol); an ester of a polyhydric alcohol (such as monoacetin, diacetin or triacetin); a monocarboxylic acid; a polycarboxylic acid (such as lauric acid, myristic acid) or an aliphatic ester of a polycarboxylic acid (such as dimethyl dodecanedioate, dimethyl tetradecanedioate, erythritol, 1,3-butylene glycol, tetraethylene glycol, triethyl citrate, propylene carbonate, ethyl laurate, Triactin, meso-ery
  • a monohydric alcohol such as menthol
  • a polyhydric alcohol such as propylene glycol, triethylene glycol, 1,
  • the adhesive component is a natural plant extract, a non-ionized modified viscous polysaccharide, including one or more combinations of tamarind polysaccharide, pullulan, seaweed polysaccharide, locust bean gum, guar gum, and xyloglucan.
  • the adhesive is in close contact with the interface of the product component material by wetting, generating an intermolecular attraction, thereby playing the role of bonding the powder, liquid, etc. of the component material.
  • the use of natural plant extracts and non-ionic adhesives can avoid the release of harmful substances such as methanol, formaldehyde, and acrolein caused by colloid modification, thereby improving the safety of the product.
  • the wall may further include a microwave absorbing material, which is a material with a high absorption rate for microwaves and can be better suited for microwave heating.
  • a microwave absorbing material which is a material with a high absorption rate for microwaves and can be better suited for microwave heating.
  • the aerosol generating matrix 100 can be a particle combination, which is a reconstituted tobacco medium, for example, a reconstituted tobacco medium containing components such as smoke-generating agents and tobacco.
  • the aerosol generating matrix 100 is an integrated structure, for example, an integrated structure that can be formed by injection molding, compression molding or extrusion technology.
  • extrusion molding refers to a processing method in which a raw material mixture is added to an extruder, and the material is pushed forward by the screw through the action between the extruder barrel and the screw, and continuously passes through the die to form various cross-section products or semi-finished products.
  • the aerosol matrix formed by extrusion molding is in strip shape.
  • the aerosol generating matrix 100 is a particle combination, it is an integrated medium when the aerosol generating matrix 100 is heated and inhaled or stops being heated, and is not prone to disintegration and falling off. This solves the problems of the thin sheet, filamentous or loose particle aerosol generating matrix 100 in the prior art, such as loose sheets, falling of filamentous components and particle components, and difficulty in cleaning.
  • the shape of the aerosol generating substrate 100 is not limited, as long as an aerosol release channel can be provided.
  • the aerosol generating substrate 100 can be columnar.
  • the cross-section of the columnar aerosol generating substrate 100 can be circular, polygonal (including but not limited to triangle, square, prism, etc.), elliptical, racetrack-shaped, irregular, etc., wherein irregular refers to other symmetrical or asymmetrical shapes other than the shapes listed above.
  • the aerosol release channel 10 is a channel for extracting aerosol during the heating process, that is, the aerosol generated by the aerosol generating substrate 100 when heated enters the aerosol release channel 10 and is discharged from the aerosol release channel 10 .
  • the number of the aerosol release channel 10 may be one or more.
  • One end of the aerosol release channel 10 may be an open end penetrating the aerosol generating substrate 100 , and the other end of the aerosol release channel 10 is a closed end, that is, the aerosol release channel 10 only penetrates one end of the aerosol generating substrate 100 .
  • the two opposite ends of the aerosol release channel 10 may also be open ends penetrating the aerosol generating substrate 100 , that is, the aerosol release channel 10 may penetrate the two ends of the aerosol generating substrate 100 .
  • the aerosol release channels 10 may be arranged at intervals along the circumference of the aerosol generating substrate 100 .
  • At least one aerosol release channel 10 may be provided in the middle region of the aerosol generating substrate 100, and other aerosol release channels 10 surround the periphery of the aerosol release channel 10 located in the middle region.
  • the aerosol release channels 10 in FIGS. 7 to 9 may be referred to as the first aerosol release channel 10a and the second aerosol release channel 10b, respectively.
  • FIGS. 7 to 9 only provide one first aerosol release channel 10a and a plurality of second aerosol release channels 10b, and the plurality of second aerosol release channels 10b surround the periphery of the first aerosol release channel 10a.
  • a plurality of first aerosol release channels 10a may be provided, and a plurality of second aerosol release channels 10b may surround the circumference of the first aerosol release channel 10a.
  • the wall body 20 that constructs the aerosol release channel 10 is equivalent to the side wall of the aerosol release channel 10, please refer to Figures 5 to 9.
  • the part where the aerosol generating matrix 100 separates two adjacent aerosol release channels 10 is also the wall body 20 described in the embodiment of the present application.
  • the specific thickness of the wall body 20 can be adjusted according to design requirements.
  • the thickness of the wall body 20 can be 0.1 mm, 0.2 mm, 0.35 mm, 0.6 mm, 0.8 mm, 0.9 mm, 1.1 mm, or 1.2 mm.
  • the wall 20 is relatively thick, which may cause the aerosol to be unable to be quickly extracted and to cool inside the aerosol generating matrix 100. If the thickness of the wall 20 is less than 0.1 mm, the wall 20 is relatively thin, and the aerosol generated by the heating of the aerosol generating matrix 100 per unit area is insufficient to meet the user's inhalation needs, and the aerosol generating matrix 100 is easily deformed. If the cross-section of the aerosol generating matrix 100 is circular, the deformation may result in insufficient roundness.
  • the thickness of the wall 20 is set within the range of 0.1 mm to 1.2 mm, which is conducive to the rapid release of aerosol during the heating process, and while improving the aerosol extraction efficiency, it can also ensure the carbonization rate of the aerosol generating matrix 100 and improve the utilization rate. In addition, this thickness range can also make the aerosol generating matrix 100 have sufficient structural strength and is not easy to deform.
  • the thickness of the wall 20 may be 0.3 mm to 0.5 mm (including the end values), for example, the thickness of the wall 20 may be 0.3 mm, 0.4 mm, or 0.5 mm.
  • This size range ensures that the aerosol generating substrate 100 has a high structural strength and is more conducive to the rapid release of the aerosol generated by the aerosol generating substrate 100 when heated.
  • the thickness difference of the wall 20 at different positions of the aerosol generating substrate 100 may be 0-100% (including the end points).
  • the different positions mentioned here may be the same wall body 20 or different wall bodies 20 .
  • the thickness difference at different positions of the wall 20 can be 0-100%.
  • the thickness difference at different positions of the wall 20 is 0
  • the thickness difference at different positions of the wall body 20 is greater than 0 and less than or equal to 100%, it is equivalent to that the wall body 20 is a non-uniform thickness structure with a maximum value and a minimum value, wherein the thickness difference between the maximum value and the minimum value is greater than 0 and less than or equal to 100%.
  • the wall bodies 20 located at different positions of the aerosol generating substrate 100 can be different wall bodies 20 on the aerosol generating substrate 100 (such as the first wall body 20a and any one of the second wall bodies 20b shown in Figures 5 and 6, or any two of the multiple second wall bodies 20b), or can be the same wall body 20 on the aerosol generating substrate 100 (such as the first wall body 20a shown in Figures 5 and 6, or any one of the second wall bodies 20b).
  • the thickness difference between different walls 20 on the aerosol generating substrate 100 is greater than 0 and less than or equal to 100%, if there are both walls 20 of non-uniform thickness and walls 20 of equal thickness, the thickness difference between the thickness of the walls 20 of equal thickness and the maximum thickness of the walls 20 of non-uniform thickness is greater than 0 and less than or equal to 100%, and the thickness difference between the thickness of the walls 20 of equal thickness and the minimum thickness of the walls 20 of non-uniform thickness is also greater than 0 and less than or equal to 100%.
  • the thickness difference between the maximum thickness of any one wall 20 of non-uniform thickness and the minimum thickness of the other wall 20 of non-uniform thickness is greater than 0 and less than or equal to 100%.
  • the difference in thickness of the wall 20 at different positions of the aerosol-generating substrate 100 may be 0%, 20%, 30%, 50%, 70%, 85%, or 100%.
  • the thickness difference of the wall 20 at different positions of the aerosol generating matrix 100 is 0 to 100%, which can facilitate processing and manufacturing. For example, taking the aerosol generating matrix 100 as an extrusion molding structure as an example, it can be ensured that the pressures borne by the force points at different extrusion positions of the extrusion die are relatively small during the extrusion molding process, and the aerosol generating matrix 100 can be smoothly, stably and completely extruded. If the thickness difference of the wall 20 at different positions of the aerosol generating matrix 100 is greater than 100%, the aerosol generating matrix 100 extruded by the extrusion die may appear incomplete in shape, for example, only a part of the aerosol generating matrix 100 may be extruded.
  • S1 may be used to represent the cross-sectional area of each aerosol release channel 10.
  • the ratio of S1 to S2 is less than 1:1, the cross-sectional area of the aerosol release channel 10 is small, the pressure when the aerosol release channel 10 extracts the aerosol is large, the airflow rate is too fast, and the aerosol generating matrix 100 begins to release aerosol before being sufficiently heated, thereby causing part of the aerosol to condense inside the aerosol generating matrix 100 and cannot be fully extracted.
  • the ratio of S1 to S2 is greater than 5:1, the cross-sectional area of the aerosol release channel 10 is too large, the pressure when the aerosol release channel 10 extracts the aerosol is small, and the airflow rate is slow, which is not conducive to the extraction of aerosol.
  • the ratio of S1 to S2 may be 1:1, 2.5:1, 3:1, 4:1, or 5:1.
  • the ratio of S1 to S2 is in the range of 1:1 to 5:1
  • the pressure of the aerosol release channel 10 when extracting the aerosol is moderate, and the air flow rate is also moderate, so that the aerosol generated by the heating of the aerosol generating matrix 100 per unit area can be fully and quickly extracted.
  • the wall 20 that forms the outer contour of the aerosol generating substrate 100 may be referred to as a first wall 20a.
  • Part of the inner surface of the first wall 20a may be recessed toward the outer side of the aerosol generating substrate 100, so that a plurality of first grooves 30 arranged at intervals are formed on the inner circumference of the first wall 20a.
  • the location of the first wall 20a where the first groove 30 is provided is equivalent to reducing the thickness of the first wall 20a at this location.
  • the aerosol generated by the heated aerosol generating substrate 100 can be quickly released through the first groove 30 for the convenience of inhalation by the user.
  • first wall 20 a with a relatively large thickness such as a first wall 20 a with a thickness of 0.5 mm to 1.2 mm (including end values), it is suitable to set the first groove 30 .
  • part of the outer surface of the first wall 20 a may also be recessed toward the inner side of the aerosol generating substrate 100 , so that a plurality of second grooves 40 arranged at intervals are formed on the outer peripheral side of the first wall 20 a .
  • the location of the second groove 40 in the first wall 20a is equivalent to reducing the thickness of the first wall 20a at this location.
  • the aerosol generated by the aerosol generating matrix 100 when heated can be quickly released through the second groove 40 for easy inhalation by the user.
  • the second groove 40 is also suitable for the first wall 20 a with a relatively large thickness, such as the first wall 20 a with a thickness of 0.5 mm to 1.2 mm (including the end values).
  • the first wall 20a in Figures 3 and 4 is provided with a first groove 30 and a second groove 40 at the same time.
  • the first groove 30 and the second groove 40 can be arranged one by one opposite to each other along the thickness direction of the first wall 20a, which is equivalent to the second groove 40 being located outside the position where the first groove 30 is provided on the first wall 20a.
  • This arrangement ensures that the first wall 20a has sufficient structural strength while also allowing the portion of the first wall 20a located between the first groove 30 and the second groove 40 to have a smaller thickness, which is more conducive to the rapid release of aerosols.
  • first groove 30 and the second groove 40 may also be staggered.
  • first wall 20 a is not limited to being provided with both the first groove 30 and the second groove 40 . In some embodiments, only the first groove 30 or only the second groove 40 may be provided.
  • Figures 3 and 4 show that a first groove 30 and a second groove 40 are arranged on the first wall 20a of an aerosol generating substrate 100 having only one aerosol release channel 10. In other embodiments, for an aerosol generating substrate 100 having multiple aerosol release channels 10, at least one of the first groove 30 and the second groove 40 may also be arranged on the first wall 20a.
  • pores may be provided on the wall 20 as required.
  • the number of pores may be one or more.
  • the location and manner of providing the pores are not limited.
  • the pores may penetrate at least one of the two opposite ends of the wall 20, or penetrate at least one of the inner and outer surfaces of the wall 20.
  • the pores may also be provided inside the wall 20 without penetrating any position of the wall 20.
  • the pores described in the embodiments of the present application are pores in the macroscopic sense.
  • the pores are mainly formed by processing. Therefore, the cross-sectional area and length and other dimensions of the pores may be changed according to design requirements. Providing pores is also more conducive to the rapid release of aerosols.
  • each aerosol release channel 10 may be constructed by different walls 20 .
  • the different walls 20 in FIG. 5 and FIG. 6 may be referred to as a first wall 20a and a second wall 20b, respectively.
  • the first wall 20a forms the outer contour of the aerosol generating substrate 100 and the hollow area inside the aerosol generating substrate 100
  • the second wall 20b forms the outer contour of the aerosol generating substrate 100 and the hollow area inside the aerosol generating substrate 100.
  • 20 b is disposed in the hollow area to divide the hollow area into at least two aerosol release channels 10 .
  • At least two aerosol release channels 10 may be formed by providing the first wall 20 a and the second wall 20 b .
  • each second wall 20b there are multiple second walls 20b in Figures 5 and 6, and one side of each second wall 20b is connected to the first wall 20a, and the other sides of each second wall 20b are connected to each other. That is to say, the second wall 20b are combined in the hollow area to form a radial shape, and each aerosol release channel 10 is constructed by the first wall 20a and two adjacent second walls 20b.
  • the different walls 20 in FIG. 7 and FIG. 8 may be respectively referred to as the first wall 20a, the second wall 20b and the third wall 20c.
  • the number of the second wall 20b is multiple
  • the third wall 20c is annular
  • the first wall 20a constructs the outer contour of the aerosol generating substrate 100 and the hollow area located inside the aerosol generating substrate 100.
  • the multiple second walls 20b and the third wall 20c are all arranged in the hollow area, one side of each second wall 20b is respectively connected to the first wall 20a, and the other side opposite to each second wall 20b is respectively connected to the third wall 20c.
  • the first aerosol release channel 10a is constructed in the third wall 20c, and the first wall 20a, the third wall 20c and the two adjacent second walls 20b together construct the second aerosol release channel 10b.
  • first aerosol release channel 10a described in the previous embodiment and a plurality of second aerosol release channels 10b surrounding the first aerosol release channel 10a can be formed by providing the first wall 20a, the second wall 20b and the third wall 20c.
  • each aerosol release channel 10 may not be constructed by different wall bodies 20.
  • each aerosol release channel 10 may not be constructed by different wall bodies 20.
  • the aerosol generating matrix 100 in Figure 9 also has multiple aerosol release channels 10.
  • the aerosol generating matrix 100 cannot be clearly divided into different wall bodies 20.
  • the present application also provides a microwave heating method for the aerosol generating substrate 100 provided in any embodiment of the present application. Please refer to FIG. 10 .
  • the method comprises the following steps:
  • Step S1 using microwaves to heat the aerosol generating substrate so that the aerosol generated by the aerosol generating substrate is released into the aerosol releasing channel.
  • the microwave field penetrates into the physical structure of the aerosol generating matrix 100, and the polar molecules of the aerosol generating matrix 100 move and generate heat under the action of microwaves.
  • the aerosol generating matrix 100 is heated, an aerosol is generated, and the aerosol enters the aerosol release channel 10 and is discharged from the aerosol release channel 10.
  • microwave heating is only one feasible heating method.
  • the aerosol generating matrix 100 may also be heated by other heating methods.
  • the walls of a portion of the aerosol release channels among the plurality of aerosol release channels may be heated each time.
  • microwaves can mainly heat the wall 20 of one aerosol release channel 10 at a time, so that the aerosol is mainly released into the aerosol release channel 10 constructed by the heated wall 20. After one heating is completed (for example, after the user puffs once or a certain number of times), the microwaves mainly heat the wall 20 of another aerosol release channel 10.
  • microwaves can also heat the walls 20 of a portion of aerosol release channels 10 that is greater than one at a time (i.e., the number of heated aerosol release channels 10 is greater than one and less than the total number of aerosol release channels 10).
  • the microwaves heat the walls 20 of another portion of aerosol release channels 10.
  • the aerosol generating device may be provided with a rotating component.
  • the rotating component may drive the aerosol generating matrix 100 to rotate, so that other aerosol release channels 10 on the aerosol generating matrix 100 may rotate to a position corresponding to the microwave field generated by the heating component.
  • the composition and temperature of the aerosol generated by the heating component heating the wall 20 at different times are relatively consistent, so that the taste consistency brought to the user when inhaling is relatively high.
  • the aerosol generating matrix 100 of the embodiment of the present application can fully and quickly release aerosol during the heating process, it is only necessary to heat the wall 20 of a part of the aerosol release channels 10 in the plurality of aerosol release channels 10 each time to meet the user's inhalation needs, and this heating method
  • the total number of heating times of the aerosol generating substrate 100 can be increased, which is equivalent to increasing the number of puffs of the user, thereby improving the user experience.
  • all aerosol release channels 10 may also be heated simultaneously.
  • the walls of some of the second aerosol release channels among the plurality of second aerosol release channels may be heated each time.
  • the aerosol is mainly released into the second aerosol release channel 10b constructed by the heated wall 20, and a small amount of aerosol is released into the first aerosol release channel 10a.
  • the wall 20 of the second aerosol release channel 10b is heated, while the wall 20 of the first aerosol release channel 10a does not need to be heated.
  • the side of the wall 20 close to the second aerosol release channel 10b can be heated, while the side of the wall 20 close to the first aerosol release channel 10a is not heated.
  • microwaves can heat only the wall 20 of one second aerosol release channel 10b at a time, so that the aerosol is mainly released into the second aerosol release channel 10b constructed by the heated wall 20, and a small amount of aerosol is released into the first aerosol release channel 10a. After one heating is completed (for example, after the user takes one puff or a certain number of puffs), the microwaves heat the wall 20 of another second aerosol release channel 10b.
  • microwaves can also heat a portion of the walls 20 of the second aerosol release channels 10b that is greater than one at a time (i.e., the number of heated second aerosol release channels 10b is greater than one and less than the total number of second aerosol release channels 10b).
  • the microwaves heat another portion of the walls 20 of the second aerosol release channels 10b.
  • each time only the wall 20 of a part of the second aerosol release channels 10b in the plurality of second aerosol release channels 10b needs to be heated to meet the user's inhalation needs.
  • This heating method can also increase the total number of heating times of the aerosol generating matrix 100, which is equivalent to increasing the number of puffs of the user, thereby improving the user experience.
  • all the second aerosol release channels 10b may also be heated simultaneously.
  • the wall 20 of the first aerosol release channel 10a may also be heated.
  • the description with reference to the terms “in one embodiment”, “in some embodiments”, “in other embodiments”, “in yet other embodiments”, or “exemplary” etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application.
  • the schematic representation of the above terms does not necessarily refer to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
  • those skilled in the art may combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

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Abstract

一种气溶胶生成基质（100）及微波加热方法，其中气溶胶生成基质（100）具有至少一个气溶胶释放通道（10），且气溶胶生成基质（100）构造出气溶胶释放通道（10）的壁体（20）的厚度为0.1-1.2mm。该气溶胶生成基质（100）可以提高气溶胶提取效率。

Description

一种气溶胶生成基质及微波加热方法
相关申请的交叉引用
本申请基于申请号为202310787002.9，申请日为2023年06月29日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及发烟制品技术领域，特别是涉及一种气溶胶生成基质及微波加热方法。
背景技术
气溶胶生成基质一般是通过加热不燃烧的方式来产生气溶胶，具体地，气溶胶生成基质利用外部热源加热，使其刚好加热到足以散发出香味的程度，气溶胶生成基质不会燃烧，而是通过负载雾化剂，使用时通过加热释放雾化剂，以形成烟雾。
相关技术中，对气溶胶生成基质进行加热的方式有电阻加热、电磁加热、微波加热等，在抽吸前，需要先对气溶胶生成基质进行预热，预热后，用户可以对气溶胶生成基质持续抽吸预定的口数，以达到吸食气溶胶的目的。
但是，相关技术中，气溶胶生成基质的实体结构的密度较高，在加热过程中，气溶胶在短时间内难以在气溶胶生成基质的实体结构内流通，或者难以从气溶胶生成基质的实体结构中释放到外界，由此导致气溶胶生成基质的提取效率大大降低，无法适应即抽的要求。
发明内容
有鉴于此，本申请实施例期望提供一种能够提高气溶胶提取效率的气溶胶生成基质及微波加热方法。
为达到上述目的，本申请实施例提供了一种气溶胶生成基质，所述气溶胶生成基质具有至少一个气溶胶释放通道，且所述气溶胶生成基质构造出所述气溶胶释放通道的壁体的厚度为0.1mm～1.2mm。
一种实施方式中，所述壁体的厚度为0.3mm～0.5mm。
一种实施方式中，位于所述气溶胶生成基质不同位置处的所述壁体的厚度差为0～100％。
一种实施方式中，所述气溶胶生成基质为挤出成型结构。
一种实施方式中，各所述气溶胶释放通道的横截面积为S1，构造出对应的所述气溶胶释放通道的所述壁体的横截面积为S2，S1：S2＝1：1～5：1。
一种实施方式中，所述壁体包括第一壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓；所述第一壁体的部分内表面朝向所述气溶胶生成基质的外侧凹陷，以使所述第一壁体的内周侧形成多个间隔设置的第一凹槽。
一种实施方式中，所述壁体包括第一壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓；所述第一壁体的部分外表面朝向所述气溶胶生成基质的内侧凹陷，以使所述第一壁体的外周侧形成多个间隔设置的第二凹槽。
一种实施方式中，所述气溶胶生成基质具有多个所述第一凹槽和多个所述第二凹槽，所述第一凹槽和所述第二凹槽沿所述壁体的厚度方向一一相对设置。
一种实施方式中，所述壁体包括第一壁体和第二壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓以及位于所述气溶胶生成基质内部的中空区域，所述第二壁体设置在所述中空区域内，以将所述中空区域分隔成至少两个所述气溶胶释放通道。
一种实施方式中，所述第二壁体的数量为多个，各所述第二壁体的一侧分别与所述第一壁体连接，各所述第二壁体相对的另一侧相互连接。
一种实施方式中，所述气溶胶释放通道包括至少一个第一气溶胶释放通道以及多个第二气溶胶释放通道，多个所述第二气溶胶释放通道环绕在所述第一气溶胶释放通道的周侧。
一种实施方式中，所述壁体包括第一壁体、多个第二壁体、以及呈环形的 第三壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓以及位于所述气溶胶生成基质内部的中空区域；多个所述第二壁体和所述第三壁体均设置在所述中空区域内，各所述第二壁体的一侧分别与所述第一壁体连接，各所述第二壁体相对的另一侧分别与所述第三壁体连接；所述第三壁体内构造出所述第一气溶胶释放通道，所述第一壁体、所述第三壁体与相邻的两个所述第二壁体共同构造出所述第二气溶胶释放通道。
一种实施方式中，所述壁体设置有气孔。
一种实施方式中，所述壁体具有吸波材料。
一种实施方式中，所述壁体用于吸收微波并产生热量，以生成气溶胶。
一种实施方式中，所述气溶胶释放通道的一端为贯穿所述气溶胶生成基质的开放端，所述气溶胶释放通道的相对的另一端为封闭端。
一种实施方式中，所述气溶胶释放通道的相对两端均为贯穿所述气溶胶生成基质的开放端。
本申请另一实施例提供了一种微波加热方法，用于上述所述的气溶胶生成基质，所述方法包括：
利用微波对所述气溶胶生成基质进行加热，以使所述气溶胶生成基质产生的气溶胶释放到所述气溶胶释放通道内。
一种实施方式中，所述气溶胶释放通道的数量为多个，所述方法包括：
每次对多个所述气溶胶释放通道中的部分所述气溶胶释放通道的所述壁体进行加热。
一种实施方式中，所述气溶胶释放通道包括至少一个第一气溶胶释放通道以及多个第二气溶胶释放通道，多个所述第二气溶胶释放通道环绕在所述第一气溶胶释放通道的周侧，所述方法包括：
每次对多个所述第二气溶胶释放通道中的部分所述第二气溶胶释放通道的所述壁体进行加热。
本申请实施例提供了一种气溶胶生成基质及微波加热方法，气溶胶生成基质具有至少一个气溶胶释放通道，且气溶胶生成基质构造出气溶胶释放通道的 壁体的厚度为0.1mm～1.2mm。壁体的厚度设置在0.1mm～1.2mm的范围内，有利于在加热过程中快速释放气溶胶，在提高气溶胶提取效率的同时，也可以保证气溶胶生成基质的碳化率，提升利用率。另外，该厚度范围也可以使气溶胶生成基质具有足够的结构强度，不易发生形变。
附图说明
图1为本申请实施例的第一种气溶胶生成基质的结构示意图；
图2为图1所示的气溶胶生成基质的横截面示意图；
图3为本申请实施例的第二种气溶胶生成基质的结构示意图；
图4为图3所示的气溶胶生成基质的横截面示意图；
图5为本申请实施例的第三种气溶胶生成基质的结构示意图；
图6为图5所示的气溶胶生成基质的横截面示意图；
图7为本申请实施例的第四种气溶胶生成基质的结构示意图；
图8为图7所示的气溶胶生成基质的横截面示意图；
图9为本申请实施例的第五种气溶胶生成基质的横截面示意图；
图10本申请实施例的一种微波加热方法的方法示意图。
具体实施方式
本申请实施例提供了一种气溶胶生成基质100，请参阅图1至图9，该气溶胶生成基质100具有至少一个气溶胶释放通道10，且气溶胶生成基质100构造出气溶胶释放通道10的壁体20的厚度(图2、图4、图6和图8中的字母D均表示各壁体20的厚度)为0.1mm～1.2mm(包含端点值)。
气溶胶生成基质100用于与具有加热组件的气溶胶生成装置配合使用，具体地，加热组件对气溶胶生成基质100进行加热雾化，以产生供用户吸食或者用于医药、美容等的气溶胶。
加热组件的加热方式有多种，示例性地，加热方式包括中心加热和周圈加热，中心加热方式是指加热组件插入气溶胶生成基质100内部对气溶胶生成基 质100从内到外进行烘烤加热。周圈加热方式是指加热组件设置在气溶胶生成基质100的外围，以对气溶胶生成基质100进行从外到内的烘烤加热。这些加热方式具体可为电阻加热、电磁加热、红外加热、微波加热、激光加热等。
示例性地，气溶胶生成基质100用于微波加热，气溶胶生成基质100的壁体可以用于吸收微波并产生热量，以生成气溶胶。
气溶胶生成基质100的具体结构在此不做限制，示例性地，一实施例中，气溶胶生成基质100可由雾化介质本身制成，例如由发烟味香料介质制成。另一些实施例中，气溶胶生成基质100也可以包括基体以及设置在基体上的雾化介质，基体例如可以是耐高温的碳纤维，如此，通过设置基体，既可以提高气溶胶生成基质100的强度，还可以承受一定程度的高温而不产生异味。
气溶胶生成基质100的具体成分在此不做限制，示例性地，一实施例中，气溶胶生成基质100可包括植物成分、助剂成分、发烟剂成分、粘合剂成分等。
在一实施例中，植物成分为烟叶原料、烟叶碎片、烟梗、烟末、香味植物等经破碎处理后形成的粉末中一种或多种组合。植物成分为制品香味的核心来源，植物成分中的内源物质，如烟碱通过雾化进入人体血液，促进脑垂体产生多巴胺，从而获得生理满足感。
在一实施例中，助剂成分可以为无机填料、润滑剂、乳化剂中一种或多种组合。其中，无机填料包括重质碳酸钙、轻质碳酸钙、沸石、凹凸棒石、滑石粉、硅藻土中一种或多种组合。无机填料可以为植物成分提供骨架支撑作用，同时无机填料还具有微孔，可以提高植物成分成型后的壁材孔隙率，从而提高气溶胶释放率。
润滑剂包括小烛树蜡、巴西棕榈蜡、虫胶、向日葵蜡、米糠、蜂蜡、硬脂酸、软脂酸中一种或多种组合。润滑剂可以增加颗粒的流动性，减少颗粒相互间的摩擦力，可使颗粒分布的整体密度较为均匀，也能降低模具成型所需的压力，降低模具的磨损。
乳化剂包括聚甘油脂肪酸酯、吐温-80、聚乙烯醇中一种或多种组合。乳化剂在一定程度上能够减缓香味物质在储存过程中的损失，增加香味物质的稳定 性，提高产品的感官品质。乳化剂(也可称为表面活性剂)可降低混合体系中水溶性和水不溶性组分的界面张力，并在微滴表面形成较坚固的薄膜或由于乳化剂给出的电荷而在微滴表面形成双电层，阻止微滴彼此聚集，而保持均匀的乳状液。两种不相融组分乳化均质可以提高制品质量的一致性。
发烟剂成分的作用是在加热时可以产生大量蒸汽，从而提升发烟制品的烟雾量。在一实施例中，发烟剂例如可以包括：一元醇(如薄荷醇)；多元醇(如丙二醇、三乙二醇、1,3-丁二醇和甘油)；多元醇的酯(如单乙酸甘油酯、二乙酸甘油酯或三乙酸甘油酯)；单羧酸；多元羧酸(如月桂酸、肉豆蔻酸)或多元羧酸的脂肪族酯(如十二烷二酸二甲酯、十四烷二酸二甲酯、赤藻糖醇、1,3-丁二醇、四乙二醇、柠檬酸三乙酯、碳酸亚丙酯、月桂酸乙酯、特瑞克汀(Triactin)、内消旋赤藻糖醇、二乙酸甘油酯混合物、辛二酸二乙酯、柠檬酸三乙酯、苯甲酸苯甲酯、苯基乙酸苯甲酯、香草酸乙酯、甘油三丁酸酯、乙酸月桂酯)中一种或多种组合。
在一实施例中，粘合剂成分为天然植物提取，非离子化改性粘性多糖，包括罗望子多糖、普鲁兰多糖、海藻多糖、刺槐豆胶、瓜尔胶、木葡聚糖中的一种或多种组合。粘合剂通过与制品组分材料界面润湿而紧密接触，产生分子间的吸引力，从而起到粘结组分材料的粉体、液体等的作用。同时选用天然植物提取、非离子该性粘合剂，可避免胶体改性带来的甲醇、甲醛、丙烯醛等有害物质的释放，提高制品的安全性。
在一实施例中，壁体中还可以具有吸波材料，吸波材料是对微波具有较高的吸收率的材料，可以更好地适用于微波加热。
示例性地，气溶胶生成基质100可以为颗粒结合体，颗粒结合体是一种重组烟草介质，例如是含发烟剂、烟草等成分的重组烟草介质。气溶胶生成基质100为一体式结构，例如，可以通过注塑、压塑或挤出工艺成型出的一体式结构。其中挤出成型是指将原料混合物加入到挤出机中，物料通过挤出机料筒和螺杆间的作用，被螺杆向前推送，连续通过机头而制成各种截面制品或半制品的一种加工方法。挤出成型形成的气溶胶基质呈条状。
由于气溶胶生成基质100为颗粒结合体，在气溶胶生成基质100受热抽吸或停止受热后均为一体式介质，不易出现崩解掉落的现象，解决了现有技术中的薄片状、丝状或散状颗粒气溶胶生成基质100出现如薄片松脱、丝状成分、颗粒成分脱落、不易清洁的问题。
气溶胶生成基质100的形状也不做限制，只要能够设置气溶胶释放通道即可。示例性地，请参阅图1，气溶胶生成基质100可以是柱状。柱状的气溶胶生成基质100的横截面的形状可以是圆形、多边形(包括但不限于三角形、方形、棱形等)，椭圆形、跑道形、异形等，其中，异形是指前面所列举的形状之外的其它对称或非对称的形状。
气溶胶释放通道10是加热过程中提取气溶胶的通道，也就是说，气溶胶生成基质100受热产生的气溶胶进入气溶胶释放通道10，并从气溶胶释放通道10中排出。
气溶胶释放通道10的数量可以是一个，也可以是多个。
气溶胶释放通道10的一端可以为贯穿气溶胶生成基质100的开放端，气溶胶释放通道10相对的另一端为封闭端，也就是说，气溶胶释放通道10只贯穿气溶胶生成基质100的一端。
气溶胶释放通道10的相对两端也可以均为贯穿气溶胶生成基质100的开放端，也就是说，气溶胶释放通道10可以贯穿气溶胶生成基质100的两端。
对于具有多个气溶胶释放通道10的气溶胶生成基质100，示例性地，请参阅图5和图6，可以将各气溶胶释放通道10沿气溶胶生成基质100的周向间隔设置。
示例性地，请参阅图7至图9，也可以在气溶胶生成基质100的中间区域设置至少一个气溶胶释放通道10，其它的气溶胶释放通道10环绕在位于中间区域的气溶胶释放通道10的周侧，比如，为便于描述，可以将图7至图9中的气溶胶释放通道10分别称为第一气溶胶释放通道10a和第二气溶胶释放通道10b，图7至图9只设置了一个第一气溶胶释放通道10a和多个第二气溶胶释放通道10b，多个第二气溶胶释放通道10b环绕在第一气溶胶释放通道10a的周 侧。在另一些实施例中，也可以设置多个第一气溶胶释放通道10a，多个第二气溶胶释放通道10b可以环绕在第一气溶胶释放通道10a的周侧。
构造出气溶胶释放通道10的壁体20相当于是气溶胶释放通道10的侧壁，请参阅图5至图9，当气溶胶释放通道10的数量为多个时，气溶胶生成基质100将相邻的两个气溶胶释放通道10隔开的部位(此部位也可以称为位于相邻的两个气溶胶释放通道10之间的间隔壁)也是本申请实施例所述的壁体20。
壁体20的具体厚度可以根据设计需要进行调整，示例性地，壁体20的厚度可以为0.1mm、0.2mm、0.35mm、0.6mm、0.8mm、0.9mm、1.1mm、1.2mm。
壁体20的厚度如果大于1.2mm，则壁体20较厚，易导致气溶胶因无法快速提取而在气溶胶生成基质100的内部冷却。壁体20的厚度如果小于0.1mm，则壁体20较薄，气溶胶生成基质100单位面积受热产生的气溶胶不足以满足用户的抽吸需求，且气溶胶生成基质100容易发生形变，如果气溶胶生成基质100的横截面的形状为圆形，则会因形变而导致圆度不足。
而壁体20的厚度设置在0.1mm～1.2mm的范围内，有利于在加热过程中快速释放气溶胶，在提高气溶胶提取效率的同时，也可以保证气溶胶生成基质100的碳化率，提升利用率。另外，该厚度范围也可以使气溶胶生成基质100具有足够的结构强度，不易发生形变。
较优选地，壁体20的厚度可以为0.3mm～0.5mm(包括端点值)，比如，壁体20的厚度可以为0.3mm、0.4mm、0.5mm。该尺寸范围在确保气溶胶生成基质100具有较高的结构强度的同时，更加有利于气溶胶生成基质100受热产生的气溶胶能够快速释放。
一实施例中，位于气溶胶生成基质100不同位置处的壁体20的厚度差可以为0～100％(包括端点值)。
这里所述的不同位置既可以是同一个壁体20，也可以是不同的壁体20。
比如，以图1至图4所示的气溶胶生成基质100为例，当只有一个气溶胶释放通道10时，构造出该气溶胶释放通道10的壁体20也只有一个，该壁体20不同位置处的厚度差可以为0～100％，当该壁体20不同位置处的厚度差为0 时，相当于该壁体20是任意位置处的厚度均相同的等厚结构，当该壁体20不同位置处的厚度差大于0且小于等于100％时，相当于该壁体20是厚度具有最大值和最小值的非等厚结构，其中，最大值与最小值之间的厚度差大于0且小于等于100％。
再比如，以图5和图6所示的气溶胶生成基质100为例，当气溶胶生成基质100具有多个气溶胶释放通道10时，位于气溶胶生成基质100不同位置处的壁体20既可以是该气溶胶生成基质100上不同的壁体20(比如图5和图6所示的第一壁体20a和任意一个第二壁体20b，或者多个第二壁体20b中的任意两个)，也可以是该气溶胶生成基质100上的同一个壁体20(比如图5和图6所示的第一壁体20a，或者其中任意一个第二壁体20b)。另外，当气溶胶生成基质100上不同的壁体20之间的厚度差大于0且小于等于100％时，如果既有非等厚的壁体20，又有等厚的壁体20，则等厚的壁体20的厚度与非等厚的壁体20的最大厚度之间的厚度差大于0且小于等于100％，等厚的壁体20的厚度与非等厚的壁体20的最小厚度之间的厚度差也大于0且小于等于100％。如果有至少两个非等厚的壁体20，则任意两个非等厚的壁体20中，其中任意一个非等厚的壁体20的最大厚度与另一个非等厚的壁体20的最小厚度之间的厚度差大于0且小于等于100％。
示例性地，位于气溶胶生成基质100不同位置处的壁体20的厚度差可以为0、20％、30％、50％、70％、85％、100％。
位于气溶胶生成基质100不同位置处的壁体20的厚度差为0～100％，可以便于加工制造。比如，以气溶胶生成基质100为挤出成型结构为例，可以在挤出成型过程中确保挤出模具不同挤出位置处的受力点所承受的压力相差较小，气溶胶生成基质100能够顺利、稳定地完整挤出。而如果位于气溶胶生成基质100不同位置处的壁体20的厚度差大于100％，则挤出模具挤出的气溶胶生成基质100可能出现形态不完整的情况，比如，可能仅能挤出气溶胶生成基质100的一部分。
一实施例中，为便于描述，可以用S1表示将各气溶胶释放通道10的横截 面积，用S2表示构造出对应的气溶胶释放通道10的壁体20的横截面积，S1与S2的比值可以为1：1～5：1，即S1：S2＝1：1～5：1(包括端点值)。
具体地，如果S1与S2的比值小于1：1，则气溶胶释放通道10的横截面积较小，气溶胶释放通道10提取气溶胶时的压强较大，气流流速过快，气溶胶生成基质100受热尚未充足就开始释放气溶胶，由此导致部分气溶胶在气溶胶生成基质100的内部冷凝而不能被充分提取，如果S1与S2的比值大于5：1，则气溶胶释放通道10的横截面积过大，气溶胶释放通道10提取气溶胶时的压强较小，气流流速慢，不利于气溶胶的提取。
示例性地，S1与S2的比值可以为1：1、2.5：1、3：1、4：1、5：1。
当S1与S2的比值在1：1～5：1的范围内时，气溶胶释放通道10提取气溶胶时的压强适中，气流流速也适中，由此可以使得单位面积的气溶胶生成基质100受热产生的气溶胶能够被充分快速地提取。
一实施例中，请参阅图3和图4，为便于描述，可以将构造出气溶胶生成基质100的外轮廓的壁体20称为第一壁体20a。第一壁体20a的部分内表面可以朝向气溶胶生成基质100的外侧凹陷，以使第一壁体20a的内周侧形成多个间隔设置的第一凹槽30。
第一壁体20a设置第一凹槽30的部位相当于是减小了第一壁体20a在该位置处的厚度，气溶胶生成基质100受热产生的气溶胶可以通过第一凹槽30快速释放，以便于用户抽吸。
对于厚度相对较大的第一壁体20a，比如厚度为0.5mm～1.2mm(包括端点值)的第一壁体20a，适合设置第一凹槽30。
请继续参阅图3和图4，第一壁体20a的部分外表面也可以朝向气溶胶生成基质100的内侧凹陷，以使第一壁体20a的外周侧形成多个间隔设置的第二凹槽40。
与第一凹槽30类似，第一壁体20a设置第二凹槽40的部位也相当于是减小了第一壁体20a在该位置处的厚度，气溶胶生成基质100受热产生的气溶胶可以通过第二凹槽40快速释放，以便于用户抽吸。
对于厚度相对较大的第一壁体20a，比如厚度为0.5mm～1.2mm(包括端点值)的第一壁体20a，也适合设置第二凹槽40。
图3和图4中的第一壁体20a同时设置了第一凹槽30和第二凹槽40，较优选地，第一凹槽30和第二凹槽40可以沿第一壁体20a的厚度方向一一相对设置，相当于第一壁体20a设置有第一凹槽30的位置的外侧就是第二凹槽40，此种设置方式在确保第一壁体20a具有足够的结构强度的同时，也可以使第一壁体20a位于第一凹槽30与第二凹槽40之间的部位具有较小的厚度，进而更有利于气溶胶的快速释放。
在一些实施例中，第一凹槽30和第二凹槽40也可以错开设置。
需要说明的是，第一壁体20a并不限于同时设置第一凹槽30和第二凹槽40，在一些实施例中，也可以只设置第一凹槽30，或者只设置第二凹槽40。
另外，图3和图4是在只有一个气溶胶释放通道10的气溶胶生成基质100的第一壁体20a上设置第一凹槽30和第二凹槽40，在另一些实施例中，对于具有多个气溶胶释放通道10的气溶胶生成基质100，其第一壁体20a上也可以至少设置第一凹槽30和第二凹槽40的其中之一。
在一些实施例中，也可以根据需要在壁体20上设置气孔，气孔的数量可以是一个，也可以是多个，气孔的设置位置和设置方式不限，比如，气孔可以贯穿壁体20的相对两端中的至少一端，也可以贯穿壁体20的内表面和外表面的至少其中一个表面，还可以设置在壁体20的内部，而不贯穿壁体20的任意一个位置。需要说明的是，本申请实施例所述的气孔属于宏观意义上的孔，气孔主要依靠加工而成，因此，气孔的横截面积以及长度等尺寸可以根据设计要求而改变。设置气孔也更有利于气溶胶的快速释放。
一实施例中，请参阅图5至图8，对于具有多个气溶胶释放通道10的气溶胶生成基质100，每个气溶胶释放通道10可以由不同的壁体20共同构造而成。
示例性地，请参阅图5和图6，为便于描述，可以将图5和图6中不同的壁体20分别称为第一壁体20a和第二壁体20b，第一壁体20a构造出气溶胶生成基质100的外轮廓以及位于气溶胶生成基质100内部的中空区域，第二壁体 20b设置在中空区域内，以将中空区域分隔成至少两个气溶胶释放通道10。
也就是说，可以通过设置第一壁体20a和第二壁体20b，以形成至少两个气溶胶释放通道10。
图5和图6中的第二壁体20b的数量为多个，各第二壁体20b的一侧分别与第一壁体20a连接，各第二壁体20b相对的另一侧相互连接，也就是说，各第二壁体20b在中空区域中组合形成放射状，每个气溶胶释放通道10都是由第一壁体20a与相邻的两个第二壁体20b共同构造而成。
在另一些实施例中，也可以只有一个第二壁体20b，第二壁体20b的相对两侧分别与第一壁体20a连接，相对于在中空区域中分隔出两个气溶胶释放通道10。
示例性地，请参阅图7和图8，为便于描述，可以将图7和图8中不同的壁体20分别称为第一壁体20a、第二壁体20b和第三壁体20c，第二壁体20b的数量为多个，第三壁体20c呈环形，第一壁体20a构造出气溶胶生成基质100的外轮廓以及位于气溶胶生成基质100内部的中空区域。多个第二壁体20b和第三壁体20c均设置在中空区域内，各第二壁体20b的一侧分别与第一壁体20a连接，各第二壁体20b相对的另一侧分别与第三壁体20c连接。第三壁体20c内构造出第一气溶胶释放通道10a，第一壁体20a、第三壁体20c与相邻的两个第二壁体20b共同构造出第二气溶胶释放通道10b。
也就是说，可以通过设置第一壁体20a、第二壁体20b和第三壁体20c来形成前面的实施例所述的第一气溶胶释放通道10a以及环绕在第一气溶胶释放通道10a的周侧的多个第二气溶胶释放通道10b。
需要说明的是，对于具有多个气溶胶释放通道10的气溶胶生成基质100，每个气溶胶释放通道10也可以不是由不同的壁体20共同构造而成，比如，请参阅图9，图9中的气溶胶生成基质100也具有多个气溶胶释放通道10，但是，该气溶胶生成基质100并不能明显地划分不同的壁体20。
本申请实施例还提供了一种微波加热方法，用于本申请任一实施例所提供的气溶胶生成基质100，请参阅图10，该方法包括以下步骤：
步骤S1：利用微波对气溶胶生成基质进行加热，以使气溶胶生成基质产生的气溶胶释放到气溶胶释放通道内。
具体地，以图1至图9所示的气溶胶生成基质100为例，在微波加热过程中，微波场穿入气溶胶生成基质100的实体结构，气溶胶生成基质100的极性分子在微波的作用下运动并产生热量，气溶胶生成基质100受热后产生气溶胶，气溶胶进入气溶胶释放通道10，并从气溶胶释放通道10排出。
需要说明的是，微波加热只是一种可行的加热方式，在其它的应用场景中，气溶胶生成基质100也可以采用其它的加热方式进行加热。
一实施例中，对于具有多个气溶胶释放通道的气溶胶生成基质，每次可以对多个气溶胶释放通道中的部分气溶胶释放通道的壁体进行加热。
以图5和图6所示的气溶胶生成基质100为例，示例性地，微波一次可以主要加热一个气溶胶释放通道10的壁体20，以使气溶胶主要释放到被加热的壁体20所构造出的气溶胶释放通道10内，当一次加热完毕后(例如用户抽吸一次或抽吸一定次数后)，微波再主要对另一个气溶胶释放通道10的壁体20进行加热。
示例性地，微波一次也可以对数量大于一个的一部分气溶胶释放通道10的壁体20进行加热(即被加热的气溶胶释放通道10的数量大于一个且小于气溶胶释放通道10的总数)，当一次加热完毕后(例如用户抽吸一次或抽吸一定次数后)，微波再对另一部分气溶胶释放通道10的壁体20进行加热。
气溶胶生成装置可以设置转动组件，当加热组件对相应的气溶胶释放通道10的壁体20加热完毕之后，转动组件可以带动气溶胶生成基质100转动，以使气溶胶生成基质100上的其它气溶胶释放通道10可以转动至与加热组件产生的微波场相对应的位置。如此，加热组件不同次加热壁体20产生的气溶胶的成分和温度等较一致，使得给用户抽吸时带来的口感一致性较高。
由于本申请实施例的气溶胶生成基质100在加热过程中能够充分、快速地释放气溶胶，因此，每次只需要对多个气溶胶释放通道10中的部分气溶胶释放通道10的壁体20进行加热，就可以满足用户的抽吸需求，而且此种加热方式 可以增加气溶胶生成基质100的总加热次数，相当于可以增加用户的抽吸次数，进而可以提高用户体验。
在一些实施例中，也可以同时对所有的气溶胶释放通道10进行加热。
一实施例中，对于具有第一气溶胶释放通道和第二气溶胶释放通道的气溶胶生成基质，每次也可以对多个第二气溶胶释放通道中的部分第二气溶胶释放通道的壁体进行加热。
以图7至图9所示的气溶胶生成基质100为例，气溶胶主要释放到被加热的壁体20所构造出的第二气溶胶释放通道10b内，还有少量的气溶胶则释放到第一气溶胶释放通道10a内。也就是说，只有第二气溶胶释放通道10b的壁体20被加热，而第一气溶胶释放通道10a的壁体20可以不用加热。需要说明的是，对于位于第一气溶胶释放通道10a和第二气溶胶释放通道10b之间的壁体20，比如图7和图8所示的第三壁体20c，可以是对该壁体20靠近第二气溶胶释放通道10b的一侧进行加热，而该壁体20靠近第一气溶胶释放通道10a的一侧则不进行加热。
示例性地，微波一次可以只加热一个第二气溶胶释放通道10b的壁体20，以使气溶胶主要释放到被加热的壁体20所构造出的第二气溶胶释放通道10b内，少量的气溶胶则释放到第一气溶胶释放通道10a内，当一次加热完毕后(例如用户抽吸一次或抽吸一定次数后)，微波再对另一个第二气溶胶释放通道10b的壁体20进行加热。
示例性地，微波一次也可以对数量大于一个的一部分第二气溶胶释放通道10b的壁体20进行加热(即被加热的第二气溶胶释放通道10b的数量大于一个且小于第二气溶胶释放通道10b的总数)，当一次加热完毕后(例如用户抽吸一次或抽吸一定次数后)，微波再对另一部分第二气溶胶释放通道10b的壁体20进行加热。
与前一实施例类似，每次只需要对多个第二气溶胶释放通道10b中的部分第二气溶胶释放通道10b的壁体20进行加热，就可以满足用户的抽吸需求，此 种加热方式也可以增加气溶胶生成基质100的总加热次数，相当于可以增加用户的抽吸次数，进而可以提高用户体验。
在一些实施例中，也可以同时对所有的第二气溶胶释放通道10b进行加热。
在一些实施例中，也可以对第一气溶胶释放通道10a的壁体20进行加热。
在本申请的描述中，参考术语“一实施例中”、“在一些实施例中”、“另一些实施例中”、“又一些实施例中”、或“示例性”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请实施例的至少一个实施例或示例中。在本申请中，对上述术语的示意性表述不是必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本申请中描述的不同实施例或示例以及不同实施例或示例的特征进行结合。
以上所述仅为本申请的较佳实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均包含在本申请的保护范围之内。

Claims (16)

  1. 一种气溶胶生成基质，所述气溶胶生成基质具有至少一个气溶胶释放通道，且所述气溶胶生成基质构造出所述气溶胶释放通道的壁体的厚度为0.1mm～1.2mm。
  2. 根据权利要求1所述的气溶胶生成基质，所述壁体的厚度为0.3mm～0.5mm。
  3. 根据权利要求1或2所述的气溶胶生成基质，位于所述气溶胶生成基质不同位置处的所述壁体的厚度差为0～100％；和/或，
    所述气溶胶生成基质为挤出成型结构。
  4. 根据权利要求1或2所述的气溶胶生成基质，各所述气溶胶释放通道的横截面积为S1，构造出对应的所述气溶胶释放通道的所述壁体的横截面积为S2，S1：S2＝1：1～5：1。
  5. 根据权利要求1或2所述的气溶胶生成基质，所述壁体包括第一壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓；
    所述第一壁体的部分内表面朝向所述气溶胶生成基质的外侧凹陷，以使所述第一壁体的内周侧形成多个间隔设置的第一凹槽；和/或，
    所述第一壁体的部分外表面朝向所述气溶胶生成基质的内侧凹陷，以使所述第一壁体的外周侧形成多个间隔设置的第二凹槽。
  6. 根据权利要求5所述的气溶胶生成基质，所述气溶胶生成基质具有多个所述第一凹槽和多个所述第二凹槽，所述第一凹槽和所述第二凹槽沿所述壁体的厚度方向一一相对设置。
  7. 根据权利要求1或2所述的气溶胶生成基质，所述壁体包括第一壁体和第二壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓以及位于所述气溶胶生成基质内部的中空区域，所述第二壁体设置在所述中空区 域内，以将所述中空区域分隔成至少两个所述气溶胶释放通道。
  8. 根据权利要求7所述的气溶胶生成基质，所述第二壁体的数量为多个，各所述第二壁体的一侧分别与所述第一壁体连接，各所述第二壁体相对的另一侧相互连接。
  9. 根据权利要求1或2所述的气溶胶生成基质，所述气溶胶释放通道包括至少一个第一气溶胶释放通道以及多个第二气溶胶释放通道，多个所述第二气溶胶释放通道环绕在所述第一气溶胶释放通道的周侧。
  10. 根据权利要求9所述的气溶胶生成基质，所述壁体包括第一壁体、多个第二壁体、以及呈环形的第三壁体，所述第一壁体构造出所述气溶胶生成基质的外轮廓以及位于所述气溶胶生成基质内部的中空区域；多个所述第二壁体和所述第三壁体均设置在所述中空区域内，各所述第二壁体的一侧分别与所述第一壁体连接，各所述第二壁体相对的另一侧分别与所述第三壁体连接；所述第三壁体内构造出所述第一气溶胶释放通道，所述第一壁体、所述第三壁体与相邻的两个所述第二壁体共同构造出所述第二气溶胶释放通道。
  11. 根据权利要求1或2所述的气溶胶生成基质，所述壁体设置有气孔。
  12. 根据权利要求1或2所述的气溶胶生成基质，所述壁体具有吸波材料；和/或，
    所述壁体用于吸收微波并产生热量，以生成气溶胶。
  13. 根据权利要求1或2所述的气溶胶生成基质，所述气溶胶释放通道的一端为贯穿所述气溶胶生成基质的开放端，所述气溶胶释放通道相对的另一端为封闭端；和/或，
    所述气溶胶释放通道的相对两端均为贯穿所述气溶胶生成基质的开放端。
  14. 一种微波加热方法，用于权利要求1-13任意一项所述的气溶胶生成基质，所述方法包括：
    利用微波对所述气溶胶生成基质进行加热，以使所述气溶胶生成基质产生的气溶胶释放到所述气溶胶释放通道内。
  15. 根据权利要求14所述的微波加热方法，所述气溶胶释放通道的数量为多个，所述方法包括：
    每次对多个所述气溶胶释放通道中的部分所述气溶胶释放通道的所述壁体进行加热。
  16. 根据权利要求14所述的微波加热方法，所述气溶胶释放通道包括至少一个第一气溶胶释放通道以及多个第二气溶胶释放通道，多个所述第二气溶胶释放通道环绕在所述第一气溶胶释放通道的周侧，所述方法包括：
    每次对多个所述第二气溶胶释放通道中的部分所述第二气溶胶释放通道的所述壁体进行加热。
PCT/CN2024/072300 2023-06-29 2024-01-15 一种气溶胶生成基质及微波加热方法 Ceased WO2025001071A1 (zh)

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