Aerosol-generating product and aerosol-generating system

Abstract

Provided in the embodiments of the present application are an aerosol-generating product and an aerosol-generating system. The aerosol-generating product comprises a medium segment, a filter segment, a support segment, a cooling segment and a stopper; the medium segment is an integrated structure and has a first end and a second end which are opposite to each other in the length direction; the filter segment is arranged close to the second end of the medium segment; the support segment and the cooling segment are arranged between the filter segment and the medium segment; the stopper is arranged close to the first end of the medium segment and is in stop fit with the medium segment. The aerosol-generating product provided in the embodiments of the present application limits the medium segment to a space between the support segment and the stopper or a space between the cooling segment and the stopper, such that the position of the medium segment is relatively stable, thereby reducing the probability of the medium segment falling off under the action of gravity due to heating, shrinkage, deformation, etc. and the probability of the medium segment coming out due to the vibration of the aerosol-generating product during transport and use processes, and improving the structural stability of the aerosol-generating product.

Description

Aerosol generating product and aerosol generating system

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on the Chinese patent application with application number 202310929487.0 and application date of July 26, 2023, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into this application as a reference. Technical Field

[0003] The present application relates to the technical field of atomized aerosols, and in particular to an aerosol generating product and an aerosol generating system. Background Art

[0004] In recent years, with the advancement of the global tobacco control movement, new tobacco products represented by heated tobacco products have become increasingly popular among users.

[0005] Heat-not-burn (HTB) tobacco products, also known as aerosol-generating products, contain a media segment made of an aerosol-generating substrate. Aerosol-generating products are typically used in conjunction with an aerosol-generating device. The heating element in the aerosol-generating device heats the media segment to a temperature sufficient to atomize and generate an aerosol without combustion. The aerosol is then discharged from the aerosol-generating device for inhalation by the user.

[0006] In the related art, during use and transportation, the medium segment may be deformed and fall off due to factors such as temperature changes and external vibrations.

[0007] Summary of the Invention

[0008] In view of this, embodiments of the present application hope to provide an aerosol generating product and an aerosol generating system to reduce the probability of medium segments falling off.

[0009] The present invention provides an aerosol-generating product, comprising:

[0010] a medium segment for generating aerosol, wherein the medium segment is an integral structure and has a first end and a second end opposite to each other along a length direction;

[0011] a filter segment disposed near the second end of the media segment;

[0012] The supporting section and the cooling section are arranged between the filtering section and the medium section;

[0013] A stopper is provided near the first end of the media segment and is used for cooperating with the media segment stopper.

[0014] In some embodiments, the aerosol generating article further comprises a wrapping layer, which wraps around at least a portion of the stopper, the media segment, the support segment, the cooling segment, and a circumferential outer surface of at least a portion of the filter segment.

[0015] In some embodiments, the media segment has an airway hole extending lengthwise through at least one end of the media segment.

[0016] In some embodiments, the stopper is one of: a film structure with air permeability, a mesh structure, a hollow tubular structure, and a structure formed by arranging a partition in a hollow tubular structure.

[0017] In some embodiments, the stopper is an integral structure having one or more through-holes therein, and the through-holes pass through opposite ends of the stopper along the length direction.

[0018] In some embodiments, the stopper is a solid acetate fiber structure or a hollow tubular acetate fiber structure.

[0019] In some embodiments, the support segment is a solid acetate structure;

[0020] Alternatively, the supporting segment includes a first hollow structure, a hollow area of ​​the first hollow structure forms a first through hole, and the first through hole passes through opposite ends of the supporting segment.

[0021] In some embodiments, the first hollow structure is a hollow paper tube structure, a hollow acetate fiber structure, or a hollow aluminum foil tube structure.

[0022] In some embodiments, the support segment includes a spacing rib, and the spacing rib is disposed in the first through hole and connected to the first hollow structure.

[0023] In some embodiments, the temperature-lowering section includes a second hollow structure, a hollow area of ​​the second hollow structure forms a second through hole, and the second through hole passes through opposite ends of the temperature-lowering section.

[0024] In some embodiments, the second hollow structure is a hollow paper tube structure or a hollow acetate fiber structure.

[0025] In some embodiments, a groove is provided inside the tube wall of the second hollow structure, and the groove passes through at least one end of the cooling section along the axial direction.

[0026] In some embodiments, the stopper, the medium segment, the support segment, the cooling segment, and the filter segment have the same cross-sectional shape and cross-sectional size; and / or the aerosol generating article has a columnar structure.

[0027] In some embodiments, the stopper, the medium section, the support section, the cooling section, and the filtering section are cylindrical and coaxially arranged, and the length direction is the axial direction of the five.

[0028] The present invention provides an aerosol generating system, comprising:

[0029] aerosol generating devices;

[0030] and the aerosol-generating article according to any embodiment of the present application;

[0031] Wherein, the aerosol generating device includes a heating element, and the heating element is used to heat the medium segment to generate aerosol.

[0032] In the aerosol generating product provided in the embodiment of the present application, the medium segment cooperates with the stopper to confine the medium segment to the space between the support segment and the stopper or the space between the cooling segment and the stopper, so that the position of the medium segment is relatively stable, reducing the probability of the medium segment falling under gravity due to heat shrinkage deformation, etc., and also reducing the probability of the medium segment falling out due to the shaking of the aerosol generating product during transportation and use, thereby improving the structural stability of the aerosol generating product; in addition, the stopper can also adjust the suction resistance and reduce the probability of the condensate generated after the aerosol condenses to flow out of the aerosol generating product, thereby improving the user experience. The aerosol generated after the medium segment is atomized is cooled by the cooling segment, so that the use temperature of the aerosol is suitable. The filtering segment filters impurities contained in the aerosol, thereby improving the user experience. The structure of the support segment connecting the two ends of the support makes the structural arrangement of the aerosol generating product more reasonable and reliable. In this way, the overall reliability of the aerosol generating product is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] FIG1 is a schematic structural diagram of an aerosol generating article according to a first embodiment of the present application;

[0034] FIG2 is a schematic cross-sectional view of the structure shown in FIG1 ;

[0035] FIG3 is a schematic cross-sectional view of an aerosol-generating article according to a second embodiment of the present application;

[0036] FIG4 is a schematic cross-sectional view of an aerosol-generating article according to a third embodiment of the present application;

[0037] FIG5 is a schematic structural diagram of the cooling section shown in FIG4 ;

[0038] FIG6 is a schematic cross-sectional view of an aerosol-generating article according to a fourth embodiment of the present application;

[0039] FIG7 is a schematic cross-sectional view of an aerosol-generating article according to a fifth embodiment of the present application;

[0040] FIG8 is a schematic structural diagram of the support section shown in FIG7 ;

[0041] FIG9 is a schematic cross-sectional view of an aerosol-generating article according to a sixth embodiment of the present application;

[0042] FIG10 is a schematic cross-sectional view of an aerosol-generating article according to a seventh embodiment of the present application;

[0043] FIG11 is a schematic structural diagram of the stopper shown in FIG10 ;

[0044] FIG12 is a schematic cross-sectional view of an aerosol-generating article according to an eighth embodiment of the present application, wherein the dashed arrows in the figure indicate the direction of airflow;

[0045] FIG13 is a schematic cross-sectional view of an aerosol-generating article according to a ninth embodiment of the present application;

[0046] FIG14 is a schematic cross-sectional view of an aerosol-generating article according to a tenth embodiment of the present application. DETAILED DESCRIPTION

[0047] It should be noted that, unless there is a conflict, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed description in the specific implementation methods should be understood as an explanation of this application and should not be regarded as an improper restriction on this application.

[0048] In the description of the embodiments of the present application, the terms "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the embodiments of the present application.

[0049] An embodiment of the present application provides an aerosol generating product 1 , as shown in FIG. 1 to FIG. 14 , which includes a medium section 11 , a filter section 12 , a support section 13 , a cooling section 14 and a stopper 15 .

[0050] An embodiment of the present application provides an aerosol generating system, comprising an aerosol generating device and an aerosol generating article 1 of any embodiment of the present application. The aerosol generating article 1 can be plugged in and out of the aerosol generating device. The aerosol generating device includes a heating element, which is used to heat the medium segment 11 to generate an aerosol. The aerosol can be discharged from the aerosol generating device for inhalation by a user.

[0051] The medium segment 11 is used to generate aerosol, that is, at least a portion of the medium segment 11 is composed of an aerosol-generating substrate, so that the medium segment 11 can be used to generate aerosol for use by a user.

[0052] The specific form of the heating element is not limited, and can be a resistive heating film, an electromagnetic induction heating element, an infrared heating coating, a laser heating element, etc., and is not limited here.

[0053] The medium segment 11 is an integral structure, that is, the medium segment 11 is integrally formed, for example, integrally extruded, integrally injected, or integrally die-cast.

[0054] The medium segment 11 has a first end 11a and a second end 11b opposite to each other along the length direction. The filter segment 12 is arranged near the second end 11b of the medium segment 11. The support segment 13 and the cooling segment 14 are arranged between the filter segment 12 and the medium segment 11.

[0055] It is understandable that the air in the external environment needs to pass through the medium segment 11 to carry away the generated aerosol. In this embodiment, the air in the external environment can carry the aerosol through the second end 11b of the medium segment 11, the support segment 13, and the cooling segment 14 to flow to the filter segment 12 for use by the user. The filter segment 12 can absorb large particle droplets or other impurities generated by atomization, so that the user experience is better.

[0056] The specific manner in which the air in the external environment passes through the medium segment 11 is not limited.

[0057] For example, in some embodiments, as shown in Figures 2 and 12 , the air inlet end of the media segment 11 is the first end 11a of the media segment 11, and the air outlet end of the media segment 11 is the second end 11b of the media segment 11. In this way, air from the external environment can enter through the first end 11a of the media segment 11, entraining aerosol and passing through the second end 11b of the media segment 11, the support section 13, the cooling section 14, and the filter section 12 for inhalation by the user.

[0058] It can be understood that the air inlet end of the medium segment 11 is the end of the medium segment 11 close to the upstream direction of the airflow direction, and the air outlet end of the medium segment 11 is the end of the medium segment 11 close to the downstream direction of the airflow direction.

[0059] In other embodiments, the medium segment 11 is provided with multiple air inlets and multiple air outlets, and the multiple air inlets are all located on one side thereof perpendicular to its length direction, and the multiple air outlets are provided at the second end 11b of the medium segment 11. In this way, air in the external environment can enter the medium segment 11 from the multiple air inlets, and be entrained with aerosols to be inhaled by the user through the second end 11b of the medium segment 11, the support segment 13, the cooling segment 14, and the filter segment 12.

[0060] In some further embodiments, the air inlet and outlet ends of the medium segment 11 are both arranged at the second end 11b of the medium segment 11, that is, the air in the external environment can enter the medium segment 11 through the second end 11b of the medium segment 11, entraining the aerosol, and then be inhaled by the user from the second end 11b of the medium segment 11 through the support segment 13, the cooling segment 14, and the filter segment 12.

[0061] It should be noted that in the embodiments of the present application, the length direction does not specifically refer to the direction in which the outer contour of the media segment 11 is longest. The arrangement direction of the filter segment 12, support segment 13, cooling segment 14, and stopper 15 is consistent with the length direction; the direction in which the aerosol-generating article 1 is inserted into and removed from the aerosol-generating device is parallel to the length direction. The length dimension of the media segment 11 may be longer, shorter, or the same as the dimensions in other directions.

[0062] For example, in some examples, when the dielectric segment 11 is cylindrical, the length direction is the axial direction of the dielectric segment 11. It should be noted that even when the axial dimension of the dielectric segment 11 is smaller than its diameter, the length direction of the dielectric segment 11 is still the axial direction.

[0063] In other examples, when the outer contour of the medium segment 11 is a rectangular parallelepiped, the length direction is still the direction defined above, that is, the arrangement direction of the filter segment 12, the support segment 13, the cooling segment 14, and the stopper 15; or, in the direction of taking and placing the aerosol generating product 1, the length direction of the medium segment 11 can be any direction of the length, width, or height of the rectangular parallelepiped.

[0064] The support section 13 and the cooling section 14 may be arranged at any position.

[0065] In some examples, please refer to Figures 2, 3, 4, 6, 7, 9, 10, 12 and 13. The support section 13 is arranged between the cooling section 14 and the medium section 11. That is to say, the aerosol generated by the medium section flows out through the support section 13, the cooling section 14 and the filter section 12 in sequence for the user to inhale. The support section 13 can connect and support the medium section 11 and the cooling section 14 at both ends. The cooling section 14 is used to reduce the temperature of the aerosol so that the temperature of the aerosol flowing out of the filter section 12 is suitable and can be better used by the user.

[0066] In other examples, please refer to Figure 14. The cooling section 14 is arranged between the supporting section 13 and the medium section 11. That is to say, the aerosol flows out through the cooling section 14, the supporting section 13, and the filtering section 12 in sequence for the user to inhale. The supporting section 13 can connect and support the cooling section 14 and the filtering section 12 at both ends. The cooling section 14 is used to reduce the temperature of the aerosol so that the temperature of the aerosol flowing out of the filtering section 12 is appropriate and can be better used by the user.

[0067] The stopper 15 is configured to engage with the first end 11a of the media segment 11. That is, the stopper 15 can abut against the first end 11a of the media segment 11 to inhibit the media segment 11 from moving away from the filter segment 12. Specifically, referring to Figures 2, 3, 4, 6, 7, 9, 10, 12, and 13, when the support segment 13 is disposed between the cooling segment 14 and the media segment 11, the stopper 15 can confine the media segment 11 within the space between the support segment 13 and the stopper 15, preventing the media segment 11 from falling. Referring to Figure 14, when the cooling segment 14 is disposed between the support segment 13 and the media segment 11, the stopper 15 can confine the media segment 11 within the space between the cooling segment 14 and the stopper 15, preventing the media segment 11 from falling.

[0068] It is understandable that the stopper 15 can be connected to the supporting section 13 or the cooling section 14 to obtain force support, thereby achieving a stopper fit with the first end 11 a of the medium section 11 .

[0069] It is understandable that the manner of the stopper 15 and the medium segment 11 is not limited to the aforementioned manner. In other embodiments, the stopper 15 may also form a stopper with the side surface of the medium segment 11 .

[0070] It should be noted that the stopping cooperation between the stopper 15 and the first end 11a of the medium segment 11 can be that the medium segment 11 and the stopper 15 are spaced apart, and after the medium segment 11 moves a certain distance in the direction away from the filter segment 12, the stopper 15 abuts against the first end 11a of the medium segment 11; or the stopper 15 and the first end 11a of the medium segment 11 always maintain an abutting state.

[0071] It can be understood that in some examples, the air in the external environment can also enter the medium segment 11 from the stopper 15, that is, the stopper 15 is a structure for airflow to pass through, and the air in the external environment can directly pass through the stopper 15 to enter the medium segment 11. For example, please refer to Figure 12, the air in the external environment can pass through the stopper 15 and enter the medium segment 11 through the first end 11a of the medium segment 11, and the aerosol generated by atomization can enter the filter segment 12 from the second end 11b of the medium segment 11 through the support segment 13 and the cooling segment 14.

[0072] Therefore, in the aerosol generating product 1 provided in the embodiment of the present application, the medium segment 11 cooperates with the stop member 15 to confine the medium segment 11 in the space between the support segment 13 and the stop member 15 or in the space between the cooling segment 14 and the stop member 15, so that the position of the medium segment 11 is relatively stable, reducing the probability of the medium segment 11 falling under gravity factors due to heat shrinkage deformation, etc., and also reducing the probability of the medium segment 11 falling out due to the shaking of the aerosol generating product 1 during transportation and use, thereby improving the structural stability of the aerosol generating product 1; in addition, the stop member 15 can also adjust the suction resistance, and reduce the probability of condensate generated after the aerosol condenses to flow out of the aerosol generating product 1, thereby enhancing the user experience. The aerosol generated after the medium section 11 is atomized is cooled by the cooling section 14, so that the use temperature of the aerosol is suitable. The filtering section 12 filters the impurities contained in the aerosol, improving the user experience. The supporting section 13 connects the structures at both ends of the support. The structural arrangement of the aerosol generating product 1 is more reasonable and reliable. In this way, the overall reliability of the aerosol generating product 1 is high.

[0073] In some embodiments, referring to Figures 1 to 14, the aerosol generating article 1 further includes a wrapping layer 10, which wraps the circumferential outer surface of at least a portion of the stopper 15, the medium segment 11, the support segment 13, the cooling segment 14, and at least a portion of the filter segment 12.

[0074] Specifically, during the manufacturing process, the wrapping layer 10 can be directly wrapped on the circumferential outer surface of at least a portion of the stopper 15, the medium section 11, the support section 13, the cooling section 14, and at least a portion of the filter section 12 through a rolling process, so as to integrate the medium section 11, the filter section 12, the support section 13, the cooling section 14, and the stopper 15 together, thereby improving the overall structural strength of the aerosol generating product 1, reducing the probability of failure caused by separation of the various parts of the aerosol generating product 1 during transportation and use, and increasing the reliability of the aerosol generating product 1.

[0075] It is understood that the wrapping layer 10 has a certain structural strength to reduce the probability of deformation caused by airflow pressure during use of the aerosol generating article 1. The wrapping layer 10 can be an integrated structure or a combined structure.

[0076] The specific material of the wrapping layer 10 is not limited, such as one or more combinations of fiber paper, metal foil, metal foil composite fiber paper, PE (Polyethylene), polyethylene composite fiber paper, PBAT (Poly (butylene adipate-co-terephthalate, polybutylene terephthalate)), etc.

[0077] It should be noted that when the wrapping layer 10 wraps the entire circumferential outer surface of the filter segment 12, the user can directly hold the wrapping layer 10 in the mouth to use the aerosol. When the wrapping layer 10 wraps part of the circumferential outer surface of the filter segment 12, the user can directly hold the filter segment 12 exposed outside the wrapping layer 10 in the mouth to inhale the aerosol. Of course, the user can also install a suction nozzle on the outer surface of the filter segment 12 and inhale the aerosol through the suction nozzle.

[0078] It is understood that the stopper 15 and the wrapping layer 10 may be engaged in any manner. For example, in some embodiments, the stopper 15 may be engaged with the wrapping layer 10 through an interference fit. In other embodiments, the stopper 15 may be engaged with the wrapping layer 10 through bonding, snapping, or other methods. In this manner, the stopper 15 can be well secured to the wrapping layer 10, and the wrapping layer 10 can provide force support for the stopper 15, facilitating the engagement of the stopper 15 with the dielectric segment 11. Of course, a gap may also be provided between the wrapping layer 10 and the stopper 15, allowing air from the external environment to pass through the gap between the wrapping layer 10 and the stopper 15 and enter the dielectric segment 11.

[0079] It is understood that a certain force exists between the dielectric segment 11 and the wrapping layer 10 to inhibit the dielectric segment 11 from moving. For example, the outer circumferential surface of the dielectric segment 11 is in contact with the wrapping layer 10, and the friction between the outer circumferential surface of the dielectric segment 11 and the wrapping layer 10 maintains the dielectric segment 11 in place. The outer circumferential surface of the dielectric segment 11 and the wrapping layer 10 form an interference fit or a transition fit, which creates compression between the two and increases friction.

[0080] In the related art, the medium segment is easily moved due to the shaking of the aerosol generating product during transportation and use. In addition, the medium segment is easily shrunk and deformed during the heating process, thereby falling off from the wrapping layer under the action of gravity, affecting the structural reliability of the aerosol generating product.

[0081] In this embodiment, the provision of the wrapping layer 10 integrates the medium segment 11, the filter segment 12, the support segment 13, the cooling segment 14, and the stopper 15, thereby improving the overall structural strength of the aerosol generating product 1. The medium segment 11 cooperates with the stopper 15 to constrain the range of movement of the medium segment 11 in the wrapping layer 10, thereby stabilizing the position of the medium segment 11 in the wrapping layer 10 and reducing the probability of the medium segment 11 falling out of the wrapping layer 10 due to the shaking of the aerosol generating product 1 during transportation and use; at the same time, it also reduces the probability of the medium segment 11 being deformed due to heat shrinkage and falling from the wrapping layer 10 due to factors such as gravity.

[0082] The specific components of the aerosol-generating matrix are not limited here. For example, the aerosol-generating matrix may include plant components, auxiliary components, smoke-generating components, adhesive components, etc.

[0083] In some embodiments, the plant component is one or more combinations of powders formed from crushed tobacco leaves, tobacco leaf fragments, tobacco stems, tobacco dust, and flavorful 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 bloodstream through aerosolization, promoting dopamine production in the pituitary gland, thereby achieving a sense of physiological satisfaction.

[0084] In some embodiments, the auxiliary ingredient may be one or more combinations of inorganic fillers, lubricants, and emulsifiers. Inorganic fillers include one or more combinations of heavy calcium carbonate, light calcium carbonate, zeolite, attapulgite, talc, and diatomaceous earth. Inorganic fillers can provide skeletal support for the plant component and, because they have micropores, can increase the porosity of the wall material after the plant component is formed, thereby improving the aerosol release rate.

[0085] Lubricants include one or more of candelilla wax, carnauba wax, shellac, sunflower wax, rice bran, beeswax, stearic acid, and palmitic acid. Lubricants can increase particle flowability, reduce friction between particles, and achieve a more uniform particle density. They can also reduce mold pressure and reduce mold wear.

[0086] Emulsifiers include one or more combinations of polyglycerol fatty acid esters, Tween-80, and polyvinyl alcohol. Emulsifiers (also known as surfactants) reduce the interfacial tension between water-soluble and water-insoluble components in a mixed system and form a strong film on the surface of the droplets. Alternatively, due to the charge imparted by the emulsifier, an electrical double layer is formed on the droplet surface, preventing the droplets from agglomerating and maintaining a uniform emulsion. Emulsifying and homogenizing two immiscible components can improve the consistency of product quality.

[0087] The function of the smoke-generating agent component is to generate a large amount of vapor when heated, thereby increasing the amount of smoke produced by the smoking article. In one embodiment, the smoke-generating agent 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 glyceryl monoacetate, glyceryl diacetate, or glyceryl triacetate); 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-erythritol, a mixture of diacetyl glycerides, diethyl suberate, triethyl citrate, benzyl benzoate, benzyl phenylacetate, ethyl vanillate, tributyrin, and lauryl acetate).

[0088] In some embodiments, the adhesive component is a natural plant-derived, non-ionically modified viscous polysaccharide, including one or more combinations of tamarind polysaccharide, pullulan, seaweed polysaccharide, locust bean gum, guar gum, and xyloglucan. The adhesive wetting and intimately contacting the product's component materials creates intermolecular attraction, thereby bonding the powders and liquids of the component materials. The use of a natural plant-derived, non-ionic adhesive can prevent the release of harmful substances such as methanol, formaldehyde, and acrolein caused by colloid modification, thereby improving the safety of the product.

[0089] In some embodiments, referring to FIG. 2 to FIG. 4 , FIG. 6 to FIG. 7 , FIG. 9 to FIG. 10 , and FIG. 12 to FIG. 14 , the medium segment 11 has an airway hole 11 c passing through at least one end of the medium segment 11 along the length direction.

[0090] In this way, the aerosol generated by the heated atomization of the medium segment 11 can be released directly from the airway hole 11c, and the aerosol has sufficient release space, thereby improving the utilization rate of the aerosol.

[0091] It can be understood that there are many situations in which the medium segment 11 has the air passage hole 11c passing through at least one end of the medium segment 11 along the length direction.

[0092] The first type is that the airway hole 11c only passes through one end of the medium segment 11 toward the stopper 15, that is, the airway hole 11c is formed as a blind hole with one end open and the other end closed. The air in the external environment can enter the airway hole 11c and carry away the aerosol generated by atomization to flow to the filter segment 12.

[0093] Second, the airway hole 11c only passes through one end of the media segment 11 toward the filter segment 12. That is, the airway hole 11c is formed as a blind hole with one end open and the other closed. Air from the external environment can carry aerosols through the airway hole 11c and flow directly from the media segment 11 toward the filter segment 12. Third, the airway hole 11c passes through both ends of the media segment 11 along the length direction. That is, the airway hole 11c passes through both the end of the media segment 11 toward the stopper 15 and the end of the media segment 11 toward the filter segment 12. That is, the airway hole 11c is open at both ends. Air from the external environment enters the airway hole 11c, carrying aerosols and flowing directly toward the filter segment 12, resulting in a high aerosol utilization rate.

[0094] The number of the airway holes 11c is not limited and can be one or two or more.

[0095] It is understood that the medium segment 11 is formed with micropores, which are interconnected to form micro-airways. Some of the micropores are connected to the airway holes 11c, while other micro-airways directly pass through the air inlet and outlet ends of the medium segment 11. This allows aerosol to be discharged from the medium segment 11 in a variety of ways. For example, the aerosol generated by the heated medium segment 11 can directly enter the airway holes 11c and be entrained by the air in the external environment and discharged; alternatively, the air in the external environment directly enters the micro-airway and discharges the aerosol entrained in the micro-airway; or alternatively, the aerosol enters the airway holes 11c from the micro-airway.

[0096] It is understood that the micropores may be interconnected, with some micropores interconnected and others disconnected, or all micropores interconnected. For example, in an embodiment in which the medium segment 11 is a particle assembly, the gaps between the particles constitute the micropores, wherein the size of the micropores is determined by the gaps between the particles in the medium segment 11.

[0097] It should be noted that the airway holes 11 c are holes in a macroscopic sense and can be identified by the naked eye, while the micropores are holes in a peripheral sense and cannot be identified by the naked eye.

[0098] The airway holes 11c and micropores increase the surface area of ​​the media segment 11, facilitating heat transfer and improving heating efficiency. The aerosol-generating matrix within the media segment 11 releases aerosol upon heating. This aerosol is then transported to the filter segment 12 under the negative pressure generated by the user's inhalation. The airway holes 11c and micropores reduce the user's inhalation resistance, enhancing the user experience and reducing the adverse effects of condensed aerosol remaining in the media segment 11, which could affect airflow.

[0099] 2 , the stopper 15 is a solid acetate structure filled with acetate fiber tows. Gaps between the acetate fiber tows form airflow channels. When the aerosol-generating article 1 is heated, external airflow, such as air, can enter the interior of the medium segment 11 through the airflow channels within the stopper 15 and diffuse therein. The medium segment 11 has micropores, which are at least partially interconnected and connected to the airway apertures 11c. Aerosols generated by the medium of the medium segment 11 surrounding the airway apertures 11c (i.e., the portion of the medium segment 11 exposed to the airway apertures 11c) directly enter the airway apertures 11c. Aerosols generated by other portions of the medium segment 11 (i.e., the portion of the medium segment not exposed to the airway apertures 11c) can be collected within the airway apertures 11c through the micropores. In this way, during the inhalation process, the air entering from the air flow channel of the stopper 15 can carry the aerosol gathered in the airway hole 11c to the first through hole 13a of the support section 13 and the second through hole 14a of the cooling section 14 for cooling, and finally enter the user's mouth after being filtered by the filter section 12.

[0100] The specific structure of the stopper 15 is not limited.

[0101] In some examples, the stopper 15 is one of: a film structure with air permeability, a mesh structure, a hollow tubular structure, and a structure formed by disposing a partition in a hollow tubular structure.

[0102] When the stopper 15 is a film structure with a breathable function, please refer to Figure 13. The film structure is provided with many micropores, and the air in the external environment can pass through the stopper 15 through the micropores and enter the dielectric segment 11. On the one hand, the probability of the dielectric segment 11 falling out of the wrapping layer 10 after heating can be reduced, and the condensate formed by the adsorbed aerosol condensing toward the first end 11a of the dielectric segment 11 can be reduced, thereby reducing the probability of the condensate falling from the wrapping layer 10 and contaminating the aerosol generating device; on the other hand, the size of the aerosol generating product 1 along the length direction can be reduced, making the structure of the aerosol generating product 1 more compact, or, without changing the length of the aerosol generating product 1, the length of the dielectric segment 11 can be increased, thereby increasing the aerosol content.

[0103] It is understood that micropores are pores in a microscopic sense, that is, they cannot be directly identified by the naked eye.

[0104] When the stopper 15 is a mesh structure, please refer to Figure 14. The size of the stopper 15 along the length direction is very small. The stopper 15 can be interwoven by a plurality of crisscrossing filamentary structures. The air in the external environment can enter the medium segment 11 from the gaps between the plurality of filamentary structures. On the basis of achieving stop cooperation with the medium segment 11 after heating and shrinking, it can effectively reduce the overall size of the aerosol generating product 1, which is conducive to reducing the structure and making it more compact.

[0105] When the stopper 15 is a hollow tubular structure, please refer to Figure 12. On the one hand, it can reduce the medium segment 11 from falling out of the wrapping layer 10 after being heated and contracted. On the other hand, due to its hollow structure, sufficient air from the external environment can be stored in the stopper 15, which is beneficial to the full heat release of the medium segment 11 and also facilitates the extraction of aerosols.

[0106] The hollow tubular structure can be a hollow paper tube or a hollow aluminum foil paper tube.

[0107] When the stopper 15 is a structure formed by disposing a partition in the hollow tubular structure, refer to FIG. 10 and FIG. 11 . The partition can further enhance the stopping capability of the stopper 15 and provide sufficient support for the medium segment 11 .

[0108] In some embodiments, referring to FIG. 9 , the stopper 15 is an integrated structure having one or more through-holes 15 a therein. The through-holes 15 a pass through opposite ends of the stopper 15 along the length direction.

[0109] Please refer to Figure 9. The air in the external environment can enter the medium segment 11 through the perforation 15a. The condensate formed by the condensation of the aerosol toward the first end 11a of the medium segment 11 can also be absorbed by the stopper 15, thereby increasing the stopping reliability of the stopper 15.

[0110] It is understandable that in some examples, at least part of the perforations 15a and the airway holes 11c are connected, so that air from the external environment can quickly flow into the airway holes 11c after entering through the perforations 15a, thereby increasing the aerosol extraction efficiency.

[0111] In this embodiment, the method of integrally forming the stopper 15 is not limited. The stopper 15 can be an integral extrusion-molded structure, an integral injection-molded structure, or an integral die-casting structure. The molding method is simple and the molding speed is fast.

[0112] In some embodiments, referring to Figures 2 to 4 and Figures 6 to 7, the stopper 15 is a solid acetate fiber structure filled with acetate fiber tow. On the one hand, it can absorb the condensate formed by the aerosol condensing toward the first end 11a of the medium segment 11, thereby reducing the probability of the condensate escaping from the aerosol generating product 1 and causing contamination to the aerosol generating device, thereby facilitating the cleaning of the aerosol generating device. On the other hand, it can increase the suction resistance, thereby making the aerosol content generated per unit time more reasonable and enhancing the user experience.

[0113] Of course, in other examples, the stopper 15 may also be a hollow tubular acetate fiber structure, and the area between the inner wall and the outer wall of the hollow tubular acetate fiber structure is filled with acetate fiber tow.

[0114] It can be understood that acetate fiber refers to acetate fiber, also known as cellulose acetate or cellulose acetate, which is a chemically modified polymer compound obtained by esterifying the hydroxyl groups in cellulose molecules with acetate, including diacetate fiber and triacetate fiber, which has good acid and alkali resistance and organic solvent resistance.

[0115] It is understandable that in some examples, the stopper 15 may also include an aerosol generating matrix, which can participate in heating, provide aerosol, and increase aerosol content while preventing the medium segment 11 from falling off after being deformed by heat.

[0116] The specific structure of the filtering section 12 is not limited.

[0117] In some examples, see Figures 2-4, 6-7, 9-10, and 12-14. The filter segment 12 is a solid acetate fiber structure. This not only filters impurities entrained in the aerosol and absorbs condensate or large droplets formed by aerosol condensation, keeping the aerosol dry and enhancing the user experience, but also adjusts the suction resistance to achieve a more reasonable aerosol content per unit time.

[0118] Of course, in other examples, the filter segment 12 may also be an extruded porous structure, an injection-molded porous structure, or a die-cast porous structure.

[0119] The material of the filter segment 12 is not limited. For example, the material of the filter segment 12 includes, but is not limited to, one or more combinations of PE (polyethylene), PLA (Polylactic acid, also known as polylactide), PBAT (Poly (butylene adipate-co-terephthalate), PP (Polypropylene), acetate fiber, and acrylic fiber materials.

[0120] In other examples, see Figures 2-4, 6-7, 9-10, and 12-14. The support segment 13 includes a first hollow structure. The hollow region of the first hollow structure forms a first through-hole 13a. The first through-hole 13a extends through opposite ends of the support segment 13. This allows aerosol to flow through the first through-hole 13a toward the filter segment 12. The first through-hole 13a extends the aerosol's flow path and area, thereby slowing the aerosol's flow rate and achieving a cooling effect, resulting in a more suitable operating temperature for the aerosol.

[0121] It is understood that the first through hole 13a passes through opposite ends of the support segment 13 along the length direction. In the embodiment of the present application, the length directions of the medium segment 11, the support segment 13, the cooling segment 14, and the filter segment 12 are parallel to the length direction of the aerosol generating article 1.

[0122] The specific structure of the first hollow structure is not limited. For example, the first hollow structure can be a hollow paper tube structure or a hollow aluminum foil tube structure. Hollow paper tube structures and hollow aluminum foil tube structures have excellent heat resistance, are not easily deformed by heat, and can maintain their shape after heat conduction, thereby increasing the structural stability of the aerosol generating article 1.

[0123] The first hollow structure may also be a hollow acetate fiber structure, a hollow aluminum foil paper tube structure, a hollow silicone structure, etc., without limitation. For example, referring to FIG3 , the first hollow structure is a hollow acetate fiber structure, and referring to FIG2 , the first hollow structure is a hollow paper tube structure.

[0124] In some examples, as shown in Figures 7 and 8 , the support segment 13 includes spacing ribs 131. The spacing ribs 131 are disposed in the first through-hole 13a and connected to the first hollow structure. This can increase the structural strength of the support segment 13 itself, facilitate connection between the support segment 13 and the structures supporting its ends, and enhance the overall stability of the aerosol-generating article 1.

[0125] The material of the support segment 13 is not limited. For example, the material of the support segment 13 includes but is not limited to one or more combinations of PE (polyethylene), PLA (Polylactic acid, also known as polylactide), PBAT (Poly (butylene adipate-co-terephthalate, polybutylene terephthalate), PP (Polypropylene), acetate fiber, and acrylic fiber materials.

[0126] The specific structure of the cooling section 14 is not limited.

[0127] In some embodiments, as shown in Figures 2 to 4, 6 to 7, 9 to 10, and 12 to 14, the cooling section 14 includes a second hollow structure. The hollow region of the second hollow structure forms a second through hole 14a, which passes through opposite ends of the cooling section 14. This allows aerosol to flow through the second through hole 14a toward the filter section 12. The second through hole 14a extends the aerosol's flow path and flow area, thereby slowing the aerosol's flow rate and achieving a cooling effect, thereby making the aerosol's operating temperature more suitable.

[0128] The specific structure of the second hollow structure is not limited.

[0129] In some examples, the second hollow structure is a hollow paper tube structure or a hollow acetate fiber structure. These are lightweight, thus reducing the overall weight of the aerosol-generating article 1 and utilizing the hollow region to lower the aerosol temperature. For example, referring to FIG2 , the second hollow structure is a hollow acetate fiber structure, and referring to FIG3 , the second hollow structure is a hollow paper tube structure.

[0130] In some embodiments, referring to FIG. 4 , a groove 14 b is provided inside the tube wall of the second hollow structure. The groove 14 b passes through at least one axial end of the cooling section 14 . The groove 14 b can further reduce the temperature of the aerosol and increase the cooling effect of the cooling section 14 .

[0131] Please refer to Figure 5. The second hollow structure can be a hollow corrugated tube structure. The hollow corrugated tube has an inner wall and an outer wall. The inner wall encloses a hollow space. There is a groove 14b between the inner wall and the outer wall, and the cross-section of the area between the inner wall and the outer wall is roughly wavy.

[0132] In some embodiments, an aroma substance is provided in the channel 14b, thereby enriching the flavor of the aerosol and enhancing the user experience.

[0133] The material of the cooling section 14 is not limited. For example, the material of the cooling section 14 includes, but is not limited to, one or more combinations of PE (polyethylene), PLA (Polylactic acid, also known as polylactide), PBAT (Poly (butylene adipate-co-terephthalate), PP (Polypropylene), acetate fiber, and acrylic fiber materials.

[0134] It is understandable that the materials of the support section 13 , the cooling section 14 , and the filtering section 12 may be the same or different.

[0135] In some embodiments, as shown in Figures 2 to 14 , the stopper 15, the media segment 11, the support segment 13, the cooling segment 14, and the filter segment 12 have the same cross-section and dimensions. This facilitates the assembly and coordination of the stopper 15, the media segment 11, the support segment 13, the cooling segment 14, and the filter segment 12, reduces the size requirements for the wrapping layer 10, and increases the installation reliability of the aerosol-generating article 1.

[0136] The molding method of the support section 13, the cooling section 14, and the filtering section 12 is not limited. The support section 13, the cooling section 14, and the filtering section 12 can be integrally formed by extrusion molding, injection molding, die casting, etc.

[0137] In some embodiments, referring to FIG. 2 to FIG. 14 , the stopper 15 , the medium section 11 , the support section 13 , the cooling section 14 and the filtering section 12 are cylindrical and coaxially arranged, with the length direction being the axial direction of the five.

[0138] The stopper 15, the medium section 11, the support section 13, the cooling section 14 and the filtering section 12 are connected axially, and the sections can be easily matched. This can reduce the difficulty of wrapping the wrapping layer 10 outside each section, thereby reducing the difficulty of manufacturing the aerosol generating product 1.

[0139] The cross-sectional shape of the aerosol-generating article 1 is not limited. In some examples, as shown in Figures 1 to 14 , the cross-sectional shape of the aerosol-generating article 1 is generally circular, i.e., the aerosol-generating article 1 as a whole is generally cylindrical. In other examples, the cross-sectional shape of the aerosol-generating article 1 is generally rectangular, i.e., the aerosol-generating article 1 as a whole is generally in the shape of a rectangular column.

[0140] In the description of this application, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" 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. In this application, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine different embodiments or examples described in this application and features of different embodiments or examples without contradiction.

[0141] The foregoing description is merely a preferred embodiment of the present application and is not intended to limit the present application. Persons skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. An aerosol generating article comprising: A medium segment, used for generating aerosol, wherein the medium segment is an integral structure and has a first end and a second end opposite to each other along a length direction; a filter segment disposed near the second end of the medium segment; A supporting section and a cooling section are arranged between the filtering section and the medium section; A stopper is disposed near the first end of the medium segment and is used for cooperating with the medium segment stopper.

2. An aerosol-generating article according to claim 1, wherein The aerosol generating article further comprises a wrapping layer, which wraps around at least a portion of the stopper, the media segment, the support segment, the temperature reduction segment and a circumferential outer surface of at least a portion of the filter segment.

3. The aerosol-generating article of claim 1 , wherein: The media segment has an airway hole extending through at least one end of the media segment in a length direction.

4. The aerosol-generating article of claim 1 , wherein: The stopper is one of a film structure with air permeability, a mesh structure, a hollow tubular structure, and a structure formed by arranging a partition in a hollow tubular structure.

5. The aerosol-generating article of claim 1 , wherein: The stopper is an integral structure, and has one or more through holes inside, wherein the through holes pass through opposite ends of the stopper along the length direction.

6. The aerosol-generating article of claim 1 , wherein: The stopper is a solid acetate fiber structure or a hollow tubular acetate fiber structure.

7. The aerosol-generating article of claim 1, wherein: The support section is a solid acetate fiber structure; Alternatively, the support segment includes a first hollow structure, a hollow area of ​​the first hollow structure forms a first through hole, and the first through hole passes through opposite ends of the support segment.

8. An aerosol-generating article according to claim 7, wherein The first hollow structure is a hollow paper tube structure, or a hollow acetate fiber structure, or a hollow aluminum foil tube structure.

9. An aerosol-generating article according to claim 7, wherein: The supporting section includes a spacing rib, and the spacing rib is arranged in the first through hole and connected to the first hollow structure.

10. The aerosol-generating article of claim 1, wherein: The temperature reduction section includes a second hollow structure, a second through hole is formed in a hollow area of ​​the second hollow structure, and the second through hole passes through opposite ends of the temperature reduction section.

11. An aerosol-generating article according to claim 10, wherein The second hollow structure is a hollow paper tube structure or a hollow acetate fiber structure.

12. An aerosol-generating article according to claim 10, wherein A groove is arranged inside the tube wall of the second hollow structure, and the groove passes through at least one end of the cooling section along the axial direction.

13. An aerosol-generating article according to claim 1, wherein The stopper, the medium section, the support section, the cooling section and the filtering section have the same cross-sectional shape and the same cross-sectional size; and / or the aerosol generating product has a columnar structure.

14. An aerosol-generating article according to claim 1, wherein The stopper, the medium section, the support section, the cooling section and the filtering section are cylindrical and are coaxially arranged, and the length direction is the axial direction of the five.

15. An aerosol generating system comprising: Aerosol generating devices; and an aerosol-generating article according to any one of claims 1 to 14; Wherein, the aerosol generating device comprises a heating element, and the heating element is used to heat the medium segment to generate aerosol.

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