Aerosol-generating article and aerosol-generating system

Abstract

This application discloses an aerosol generation product and an aerosol generation system. The aerosol generation product includes a pre-plug section, a matrix section, and a downstream section. A first air inlet is provided on the end face of one axial end of the pre-plug section. The matrix section is located at the end of the pre-plug section away from the first air inlet. The downstream section is located at the end of the matrix section away from the pre-plug section. A second air inlet is also provided on the peripheral sidewall of the aerosol generation product. The second air inlet includes a first sub-inlet and a second sub-inlet. The first sub-inlet is located near the junction of the pre-plug section and the matrix section. The axial projection of the second sub-inlet covers the orthographic projection of the downstream section. The air intake of the first air inlet accounts for 40% to 85% of the total air intake of the aerosol generation product. The aerosol generation product of this application can supplement its own air intake method, which is beneficial to optimizing the extraction and transmission efficiency of aerosols and improving sensory consistency during the suction process.

Description

Technical Field

[0001] This application relates to the field of smoke-generating products, and in particular to an aerosol-generating product and an aerosol-generating system. Background Technology

[0002] Smoke-generating products include aerosol-generating products that form aerosols by heating without combustion. During the use of an aerosol-generating product, heat is transferred from a heat source to the matrix section of the aerosol-generating product, causing the matrix section to release volatile compounds. These volatile compounds are carried into the air containing the aerosol-generating product when the user inhales it. As the released volatile compounds cool, they condense to form aerosols.

[0003] In related technologies, the air intake method of aerosol-generated products is restricted, which affects the heat transfer of the aerosol generation system and the extraction and transmission efficiency of aerosols, resulting in significant differences in sensory experience during the inhalation process. Utility Model Content

[0004] In view of this, the embodiments of this application aim to provide an aerosol generating article and an aerosol generating system, which are intended to supplement the air intake method of the aerosol generating article itself, and help optimize the extraction and transmission efficiency of aerosols, so as to improve the sensory consistency during the suction process.

[0005] To solve the above problems, the technical solution of this application embodiment is implemented as follows:

[0006] This application provides an aerosol generating article, comprising:

[0007] The front piston section has a first air inlet on one end face of its axial direction;

[0008] The matrix section is located at the end of the front plug section away from the first air inlet;

[0009] The downstream section is located at the end of the matrix section away from the fore plug section;

[0010] The aerosol generating product is provided with a second air inlet on its peripheral sidewall. The second air inlet includes a first sub-inlet and a second sub-inlet. The first sub-inlet is located near the junction of the front plug section and the matrix section. The axial projection of the second sub-inlet covers the orthographic projection of the downstream section. The air intake of the first air inlet accounts for 40%-85% of the total air intake of the aerosol generating product.

[0011] In some embodiments, the first sub-orifice is provided on the peripheral sidewall of the pre-plug section near one end of the matrix section; and / or,

[0012] The matrix segment has a first sub-orifice on its peripheral sidewall near one end of the foreplug segment; and / or,

[0013] The peripheral sidewalls of the pre-plug segment and the peripheral sidewalls of the matrix segment together define the first sub-orifice at their junction.

[0014] In some embodiments, the distance between the center of the first sub-orifice and the distal lip of the aerosol-generating article along its axial direction is 4 mm-10 mm; and / or,

[0015] The air intake of the first sub-port accounts for no more than 10% of the total air intake of the aerosol-generated product.

[0016] In some embodiments, the distance between the center of the second sub-orifice and the near-lip end of the aerosol-generating article along the axial direction is 6 mm-35 mm; and / or,

[0017] The proportion of the air intake volume of the second sub-port to the total air intake volume of the aerosol-generated product is not less than 15%.

[0018] In some embodiments, the downstream section includes a cooling section, which has an airflow channel running through both ends of its axial direction, and the second sub-port is connected to the airflow channel.

[0019] In some embodiments, the airflow channel includes a first sub-channel and a second sub-channel axially joined together along the cooling section. One end of the first sub-channel is adjacent to the matrix section, and the second sub-channel is located at the other end of the first sub-channel. The diameter of the first sub-channel is larger than the diameter of the second sub-channel.

[0020] In some embodiments, the ratio of the air intake volume of the second air intake to the air intake volume of the first air intake is 1:4 to 1:2.

[0021] In some embodiments, the axial dimension ratio of the fore-end section, the matrix section, and the downstream section is 2-4:4-20:10-21.

[0022] In some embodiments, the axial dimension of the aerosol-generated article is 40mm-90mm; and / or,

[0023] The aerosol-generated product has a suction resistance of 15mmWG-50mmWG.

[0024] In some embodiments, the axial dimension of the front plug section is 4mm-8mm; and / or,

[0025] The axial dimension of the matrix segment is 8mm-40mm; and / or,

[0026] The axial dimension of the downstream section is 20mm-42mm.

[0027] This application also provides an aerosol generation system, including:

[0028] An aerosol generating device is provided with a receiving chamber, and the aerosol generating device includes a heating component;

[0029] In any of the above embodiments, the aerosol generating article has its distal lip end disposed in the receiving chamber, and the matrix segment generates aerosol under the action of the heating component.

[0030] The aerosol generating article of this application embodiment has a first air inlet provided on the end face of the front plug section away from the matrix section, a first sub-port provided near the junction of the front plug section and the matrix section, and a second sub-port provided at the corresponding position in the downstream section. In this way, the air entering through the first inlet can accelerate the heat transfer from the periphery to the center of the aerosol-generated product, which is beneficial to improving the heat transfer efficiency of the heating zone. Furthermore, the air entering through the first inlet works in conjunction with the air entering through the first air inlet to increase the total air intake of the aerosol-generated product, thereby improving the extraction and transfer efficiency of the aerosol and dispersing some of the pressure in the heating zone. At the same time, the air entering through the second inlet mixes with the air flowing through the matrix section (air entering through the first air inlet and the first inlet). The air entering through the second inlet does not pass through the heating zone and has a lower temperature, which can reduce the temperature of the airflow flowing out of the matrix section, thereby improving the problem of the aerosol being "too hot to handle". Moreover, by adjusting the air intake area of ​​the second inlet, the suction resistance can be controlled, thus making it easier to coordinate the suction resistance of the aerosol-generated product to a suitable range.

[0031] Furthermore, by controlling the proportion of air intake at the first air inlet within the range of 40%-85%, on the one hand, the proportion of air intake at the first air inlet to the total air intake of the aerosol-generating product is not too small. This helps to ensure the proportion of airflow entering the matrix section along the axial direction of the aerosol-generating product per unit time, thereby ensuring the balance of internal and external airflow and pressure during heating, and improving the extraction and transmission efficiency of aerosols. On the other hand, the proportion of air intake at the first air inlet to the total air intake of the aerosol-generating product is not too large. This ensures that the proportion of air intake at the second air inlet to the total air intake of the aerosol-generating product is not too low. This helps to ensure the thermal conductivity of the matrix section and improve the extraction efficiency of aerosols. At the same time, it avoids excessively increasing the air intake area of ​​the first air inlet, which helps to ensure the limiting ability of the front plug section on the matrix section and the adsorption capacity of the front plug section on the condensate. Attached Figure Description

[0032] Figure 1This is a schematic diagram of the structure of the aerosol-generating article according to the first embodiment of this application;

[0033] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0034] Figure 3 This is a schematic diagram of the structure of the aerosol-generated article according to the second embodiment of this application;

[0035] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0036] Figure 5 This is a schematic diagram of the structure of the aerosol-generated article according to the third embodiment of this application;

[0037] Figure 6 for Figure 5 Enlarged diagram of point C in the middle.

[0038] Explanation of reference numerals in the attached figures

[0039] 100. Aerosol generating product; 100a. Proximal lip end; 100b. Distal lip end; 100c. Second air inlet; 100d. First sub-inlet; 10. Forward plug section; 20. Matrix section; 30. Downstream section; 31. Cooling section; 31a. Second sub-inlet; 31b. Airflow channel; 31b1. First sub-channel; 31b2. Second sub-channel; 32. Filter section. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of this application, and are therefore only examples, and should not be used to limit the scope of protection of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0041] In the description of the embodiments of this application, technical terms such as "first," "second," and "third" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0042] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0043] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0044] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0045] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0046] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0047] This application provides an aerosol-generating product; please refer to [link / reference]. Figures 1 to 6 The aerosol-generating product 100 includes a front plug section 10, a matrix section 20, and a downstream section 30.

[0048] The aerosol generating article 100 can be used for suction by heating without combustion. In this case, by heating the aerosol generating article 100 to a temperature that can generate aerosols but is insufficient for combustion, the aerosol generating article 100 can generate the aerosols required by the user without combustion.

[0049] The matrix section 20 is used to generate aerosols. Specifically, the aerosol generating article 100 is used in conjunction with the aerosol generating device. The whole consisting of the aerosol generating article 100 and the aerosol generating device is called the aerosol generating system. The aerosol generating device includes a heating component and a power supply component. The power supply component provides electrical energy to the heating component, and the heating component converts the electrical energy into other forms of energy and applies them to the matrix section 20, thereby heating the matrix section 20 to generate aerosols.

[0050] There are various heating methods for the heating components. For example, heating methods include peripheral heating and center heating. Peripheral heating refers to the heating component being positioned around the aerosol-generating article 100 to bake the matrix segment 20 from the outside in. Center heating refers to the heating component being inserted into the aerosol-generating article 100 to bake the matrix segment 20 from the inside out. These heating methods can specifically include resistance heating, electromagnetic induction heating, infrared heating, microwave heating, laser heating, air heating, electric field heating, carbon source heating, plasma heating, etc., and are not specifically limited herein.

[0051] The molding method of matrix segment 20 is not restricted.

[0052] For example, the matrix segment 20 is a one-piece structure, meaning it is integrally molded. Exemplarily, the matrix segment 20 is a granular composite, also known as a powder composite, which is a reconstituted tobacco medium, such as a reconstituted tobacco medium containing smoke-generating agents, tobacco, and other components. The matrix segment 20 is a one-piece structure, for example, it can be formed into a one-piece structure through extrusion, injection molding, or die casting processes. 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, continuously passing through the die at the extruder outlet to form products or semi-finished products of various cross-sections. The matrix structure formed by extrusion molding is strip-shaped. Thus, the matrix segment 20 remains a one-piece structure after being heated or after heating ceases, and is less prone to disintegration and falling off. This solves the problems of thin-sheet, filamentous, or loose granular matrix segments in related technologies, such as thin sheet detachment, filamentous component or granular component shedding, difficulty in cleaning, and uneven composition.

[0053] Of course, the matrix segment 20 may not be a one-piece structure. For example, it can be disordered tobacco shreds (formed by directly cutting plant leaves into shreds), ordered sheet-like structures (formed by papermaking of plant leaf material and other materials), or granular structures (formed by granulation of plant leaf material and other materials).

[0054] The specific composition of matrix segment 20 is not limited here.

[0055] In some embodiments, the matrix segment 20 may include plant-based ingredients, adjuvant ingredients, smoke-generating agents, adhesive ingredients, and fragrance ingredients, etc.

[0056] Plant-based ingredients are used to generate aerosols upon heating. Additive ingredients provide skeletal support for the plant-based ingredients. Smoke-generating ingredients produce smoke upon heating. Binder ingredients bind the various raw material components together. Fragrance ingredients provide characteristic aromas. Thus, the plant-based and smoke-generating ingredients ensure sufficient aerosol generation, while the fragrance ingredients enhance aroma release during inhalation, improving the user experience. Additive ingredients not only improve the flowability of the mixture but also create a porous structure in the matrix segment 20, facilitating aerosol extraction and flow. The binder ingredients ensure a stable mixture of plant-based and additive ingredients, preventing a loose structure.

[0057] For example, the plant-based ingredients can be one or more of the following: raw tobacco leaves, tobacco fragments, tobacco stems, tobacco dust, and aromatic plants, which are powdered after being crushed. The plant-based ingredients are the core source of the aroma, and the endogenous substances within them can provide users with a sense of physiological satisfaction. Endogenous substances, such as alkaloids, enter the bloodstream and promote the pituitary gland to produce dopamine, thereby achieving physiological satisfaction.

[0058] For example, the auxiliary components can be one or more combinations of inorganic fillers, lubricants, and emulsifiers. The inorganic fillers include one or more combinations of heavy calcium carbonate, light calcium carbonate, zeolite, attapulgite, talc, and diatomaceous earth. Inorganic fillers provide skeletal support for the plant components and also have micropores, which can increase the porosity of the matrix segment 20, thereby increasing the aerosol release rate. Lubricants include one or more combinations of candelilla wax, carnauba wax, shellac, sunflower wax, rice bran, beeswax, stearic acid, and palmitic acid. Lubricants can increase the flowability of the plant component powder, reduce the friction between the plant component powders, make the overall density of the plant component powder distribution more uniform, and also reduce the pressure required for extrusion molding, reducing die wear. Emulsifiers include one or more combinations of polyglycerol fatty acid esters, Tween-80, and polyvinyl alcohol. Emulsifiers can, to a certain extent, slow down the loss of aroma substances during storage, increase the stability of aroma substances, and improve the sensory quality of the product.

[0059] For example, the smoke-generating agent may include one or more combinations of: monohydric alcohols (such as menthol); polyhydric alcohols (such as propylene glycol, glycerol, triethylene glycol, 1,3-butanediol, and tetraethylene glycol); esters of polyhydric alcohols (such as triacetin, triethyl citrate, mixtures of diacetins, triethyl citrate, methylbenzyl benzoate, and triglyceride); monocarboxylic acids; dicarboxylic acids; polycarboxylic acids (such as lauric acid and myristic acid) or aliphatic esters of polycarboxylic acids (such as dimethyl dodecanoate, dimethyl tetradecanoate, erythritol, 1,3-butanediol, tetraethylene glycol, triethyl citrate, propylene carbonate, ethyl laurate, triacetin, mesoerythritol, mixtures of diacetins, diethyl octanoate, triethyl citrate, methylbenzyl benzoate, phenylacetic acid, ethyl vanillate, triglyceride, and lauryl acetate).

[0060] For example, the adhesive component achieves close contact with the component raw materials through wetting at the interface, generating intermolecular attraction, thereby binding the component raw materials, such as powders, liquids, etc. The adhesive component can be one or more combinations of natural plant extracts, non-ionic modified viscous polysaccharides, including tamarind polysaccharides, guar gum, and modified cellulose (such as carboxymethyl cellulose). The adhesive is used to bind particles together, preventing them from easily falling apart, and also improves the water resistance of the matrix segment 20, and is harmless to the human body.

[0061] For example, flavoring ingredients are used to provide characteristic aromas, such as hay, roasted sweetness, or solid or liquid substances of nicotine. Flavoring ingredients may include one or more combinations of tobacco or other plants, aromatic plant extracts, extracts, essential oils, and absolutes; flavoring ingredients may include one or more combinations of monomeric aroma substances, such as megastigmatrienone, neophytadiene, geraniol, nerol, etc.

[0062] A first air inlet is provided on the end face of one axial end of the front plug section 10, the matrix section 20 is located at the end of the front plug section 10 away from the first air inlet, and the downstream section 30 is located at the end of the matrix section 20 away from the front plug section 10.

[0063] Air from outside the aerosol generating article 100 can enter the interior of the aerosol generating article 100 through the first air inlet. The air entering through the first air inlet flows approximately along the axial direction of the aerosol generating article 100 and exits from the near-lip end 100a of the aerosol generating article 100. In this way, this portion of air flows through the matrix section 20, thereby entraining aerosols and leaving the aerosol generating article 100 for user use.

[0064] It should be noted that there are no restrictions on the specific method of forming the first air intake.

[0065] For example, the material of the front plug section 10 can be cellulose acetate, paper, non-woven fabric, silicone or other materials.

[0066] In some embodiments, the front plug section 10 is formed by agglomerating cellulose acetate bundles, with multiple cellulose acetate bundles forming dense pores in the axial direction. These pores constitute flow channels, allowing airflow to pass from one end of the front plug section 10 through these flow channels to the other end. It is understood that the pores on the end face of the front plug section 10 away from the matrix section 20 constitute the first air inlet.

[0067] In other embodiments, the front plug section 10 is formed by gathering and molding paper or nonwoven fabric, with gaps formed between the folded areas of the paper, which constitute flow channels. It is understood that the gap on the end face of the front plug section 10 away from the matrix section 20 constitutes the first air inlet.

[0068] In some embodiments, the front plug section 10 is integrally molded from silicone or other materials, and has at least one air passage extending through both axial ends of the front plug section 10, which constitutes a flow channel. It is understood that the end of the air passage furthest from the matrix section 20 is the first air inlet.

[0069] Please see Figure 1 , Figure 3 and Figure 5 The aerosol generating article 100 has two axial ends, namely a proximal lip end 100a and a distal lip end 100b. The proximal lip end 100a refers to the end of the aerosol generating article 100 that is close to the user's lips when the user uses it, and the distal lip end 100b refers to the end of the aerosol generating article 100 that is far away from the user's lips when the user uses it.

[0070] It is understandable that the end of the front plug section 10 away from the matrix section 20 along its axial direction is the distal lip end 100b of the aerosol generating article 100, while the end of the downstream section 30 away from the matrix section 20 along its axial direction is the proximal lip end 100a of the aerosol generating article 100.

[0071] It should be noted that, in this embodiment, the axial direction of the front plug section 10, the axial direction of the matrix section 20, and the axial direction of the downstream section 30 are all in the same direction, and are also parallel to the axial direction of the aerosol generating article 100. In this embodiment, the front plug section 10, the matrix section 20, and the downstream section 30 are arranged sequentially along the axial direction of the aerosol generating article 100.

[0072] The downstream section 30 refers to all structural sections located downstream of the matrix section 20, that is, all structural sections between the end of the matrix section 20 away from the front plug section 10 and the near lip end 100a of the aerosol generating article 100.

[0073] The specific structure of the downstream section 30 is not restricted.

[0074] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The downstream section 30 includes at least one of the support section, the filter section 32, and the cooling section 31.

[0075] The support section is located at one end of the matrix section 20 along its axial direction, one end of the cooling section 31 is located at the end of the support section away from the matrix section 20 along its axial direction, and the filter section 32 is located at the other end of the cooling section 31.

[0076] The support section can connect and support the matrix section 20 and the cooling section 31 at both ends. The cooling section 31 is used to reduce the temperature of the aerosol so that the temperature of the aerosol flowing out of the filter section 32 is suitable and avoids the problem of the aerosol "scalding".

[0077] Of course, the positions of the support section and the cooling section 31 can also be interchanged, that is, the cooling section 31 is connected to one end of the matrix section 20 along the axis, and the two ends of the support section are connected to the other end of the cooling section 31 and the filter section 32, respectively.

[0078] The structure of the support section is not limited. For example, it can be a hollow paper tube structure or a hollow aluminum foil tube structure. Hollow paper tube and hollow aluminum foil tube structures have good heat resistance, are not easily deformed by heat, and can maintain their shape after receiving heat conduction, which can increase the structural stability of the aerosol-generated product 100. Alternatively, it can also be a hollow cellulose acetate structure or a hollow silicone structure, etc.

[0079] The structure of the cooling section 31 is not limited. For example, it can be one of a hollow paper tube, a cellulose acetate tube, or an aluminum foil tube. That is, the cooling section 31 has a porous internal structure. When the airflow carrying aerosols passes through the cooling section 31, a Venturi effect is formed (the Venturi effect refers to the phenomenon that the fluid velocity increases when passing through a narrowed flow cross-section, and the velocity is inversely proportional to the flow cross-section). This allows the aerosols to pass through the cooling section 31 relatively quickly, thus enabling rapid aerosol extraction. The cooling section 31 has a large specific surface area, which allows for rapid cooling of the aerosols. Alternatively, the cooling section 31 can also be a corrugated paper tube, etc.

[0080] The support section and the cooling section 31 can also be combined into one section, that is, the same structural component can simultaneously achieve the functions of support and cooling. This type of structural form of support section and cooling section 31 is called support and cooling section.

[0081] In some embodiments, the downstream section 30 further includes a fragrance-carrying section, which loads flavoring substances such as fragrances and aromatics to enhance the aroma and enrich the taste of the aerosol. Alternatively, the downstream section 30 may not include a fragrance-carrying section; the same fragrance-carrying purpose can be achieved by loading flavoring substances such as fragrances and aromatics onto structural sections such as the filter section 32.

[0082] In some embodiments, the downstream section 30 may also have functions such as guiding flow and gathering airflow.

[0083] The specific material of the downstream section 30 is not limited. For example, the material of the downstream section 30 includes, but is not limited to, polyethylene terephthalate, paper products, polylactic acid, silicone, cellulose acetate, mineral-containing products, etc.

[0084] In some embodiments, the aerosol generating article 100 further includes a coating layer that coats the outer wall of the matrix section 20, at least a portion of the outer wall of the downstream section 30, and at least a portion of the outer wall of the foreplug section 10. This improves the reliability of the connection between the matrix section 20, the downstream section 30, and the foreplug section 10.

[0085] The coating layer has a certain degree of hardness, which can protect the substrate section 20 and reduce the surface area of ​​the substrate section 20 directly exposed to the outside world. This reduces the probability of the substrate section 20 becoming damp and deteriorating due to contact with air. At the same time, it helps to reduce the probability of the substrate section 20 coming into contact with other components of the aerosol generation device and causing pollution.

[0086] The specific material of the wrapping layer is not limited, such as one or more of the following: fiber paper, metal foil, metal foil composite fiber paper, polyethylene (PE), polyethylene composite fiber paper, PBAT (Poly(butylene adipate-co-terephthalate)).

[0087] The wrapping layer can wrap around the periphery of the downstream section 30.

[0088] It should be noted that when the coating layer covers the entire circumferential outer surface of the filter section 32, the user can directly put the coating layer in their mouth to use the aerosol. When the coating layer covers part of the circumferential outer surface of the filter section 32, the user can directly put the part of the filter section 32 exposed outside the coating layer in their mouth to inhale the aerosol. Of course, the user can also put a mouthpiece on the filter section 32 and inhale the aerosol through the mouthpiece.

[0089] It should be noted that the coating layer can be a single layer, that is, a single coating layer simultaneously wraps the matrix segment 20, the foreplug segment 10, and each downstream segment 30.

[0090] Of course, the coating layer can also be multi-layered. Any segment of the matrix segment 20, the fore-plug segment 10, and each downstream segment 30 can be wrapped by at least one coating layer to obtain a multi-segment structure; or, at least two segments of the matrix segment 20, the fore-plug segment 10, and each downstream segment 30 can be wrapped by at least one coating layer to obtain a multi-segment structure, and the multi-segment structure can be wrapped by one or more coating layers to obtain the aerosol-generated product 100.

[0091] Aerosol generating devices typically include a containment chamber. The aerosol product 100 is placed inside the containment chamber for use, and the matrix segment 20 is heated within the containment chamber to generate aerosol. During the process of removing the aerosol product 100 from the containment chamber, the matrix segment 20 is prone to detaching and remaining inside the containment chamber.

[0092] By setting a front plug section 10, the force of pulling out the aerosol-generated product 100 is transmitted to the front plug section 10, which can push the matrix section 20 away from the containment chamber, thereby effectively improving the problem of matrix section 20 falling off.

[0093] Furthermore, after suction stops, not all of the aerosol generated in the matrix section 20 may be used by the user. This portion of the aerosol may condense and flow back, causing contamination of the aerosol generating device. However, by incorporating the pre-stop section 10, which adsorbs this condensed and flowing aerosol, the problem of condensed aerosol flowing downwards and remaining in the aerosol generating device's containment chamber is effectively prevented, thus avoiding contamination and difficulty in cleaning. Additionally, it prevents cross-contamination of flavors when using aerosol-generated products 100 with different flavors.

[0094] The aerosol generating product 100 is also provided with a second air inlet 100c on its peripheral sidewall. The second air inlet 100c includes a first sub-inlet 100d and a second sub-inlet 31a. The first sub-inlet 100d is close to the junction of the front plug section 10 and the matrix section 20 and is projected along the axial direction of the second sub-inlet 31a. The orthographic projection of the downstream section 30 covers the orthographic projection of the second sub-inlet 31a.

[0095] Here, the second port 31a is disposed on the peripheral wall of the aerosol generating article 100 at the corresponding position in the downstream section 30.

[0096] Specifically, the first sub-port 100d may be directly located on the peripheral sidewall of the front plug section 10 and / or the matrix section 20, and the second sub-port 31a may be directly located on the peripheral sidewall of the downstream section 30.

[0097] Specifically, when the aerosol generating article 100 also includes the aforementioned coating layer, the first sub-port 100d is located near the junction of the front plug section 10 and the matrix section 20, corresponding to the position of the coating layer, and penetrates the coating layer; the second sub-port 31a is located at the position of the coating layer corresponding to the cooling section 31, and penetrates the coating layer.

[0098] Air from outside the aerosol generating article 100 can enter the interior of the aerosol generating article 100 radially through the second air inlet 100c.

[0099] Furthermore, when the first nozzle 100d is directly located on the peripheral wall of the structural section of the aerosol generating article 100, the specific location referred to as "near the junction of the front plug section 10 and the matrix section 20" can be one of the following three:

[0100] First option: Please refer to Figure 1 and Figure 2 The first sub-hole 100d is provided on the peripheral side wall of the front plug section 10 near the matrix section 20.

[0101] It should be noted that the boundary is the midpoint of the axial direction of the front plug section 10. The peripheral wall of the front plug section 10 between this boundary and the end face of the front plug section 10 near the matrix section 20 is the peripheral wall of the front plug section 10 near the matrix section 20.

[0102] The second option: Please refer to [the relevant document / reference] Figure 3 and Figure 4 The peripheral sidewalls of the fore-plug section 10 and the peripheral sidewalls of the matrix section 20 together define the first sub-hole 100d at their junction.

[0103] Here, the first sub-port 100d is formed by the periphery of the front plug section 10 and the periphery of the matrix section 20.

[0104] The third option: Please refer to [the relevant document / reference]. Figure 5 and Figure 6 The first sub-hole 100d is provided on the peripheral sidewall of the matrix section 20 near the end of the front plug section 10.

[0105] The specific location of the peripheral sidewall of the matrix segment 20 near the end of the fore-plug segment 10 can be understood by referring to the explanation of the specific location of the peripheral sidewall of the fore-plug segment 10 near the end of the matrix segment 20 mentioned above, and will not be repeated here.

[0106] The specific number of the first 100d is not limited.

[0107] It should be noted that when there is only one first sub-port 100d, the first sub-port 100d can be set in any of the three positions mentioned above; when there are multiple first sub-ports 100d, each first sub-port 100d can be set in any of the three positions mentioned above.

[0108] It is understood that in the embodiments of this application, "multiple" refers to any number of two or more.

[0109] Since the first inlet 100d is close to the junction of the front plug section 10 and the matrix section 20, it is also relatively close to the heating zone. Thus, based on the circumferential heating method, the air entering the aerosol generating product 100 through the first inlet 100d can accelerate the heat transfer from the periphery to the center of the aerosol generating product 100, which is beneficial to improving the heat transfer efficiency of the heating zone. Simultaneously, this air, in conjunction with the air entering through the first air inlet, helps to increase the total air intake of the aerosol generating product 100, thereby improving the extraction and transfer efficiency of the aerosol and dispersing some of the pressure in the heating zone.

[0110] In addition, by setting the first sub-port 100d, heat accumulation at the outer periphery of the aerosol generating product 100 can be reduced, thereby improving the appearance cleanliness problem caused by high temperature in some areas of the aerosol generating product 100, which is beneficial to improving the user's experience.

[0111] The air entering through the second sub-port 31a mixes with the air flowing through the matrix section 20 (air entering through the first air inlet and the first sub-port 100d). The air entering through the second sub-port 31a does not pass through the heating zone and has a lower temperature. This reduces the temperature of the airflow exiting the matrix section 20, thereby improving the problem of the aerosol being "too hot to handle". At the same time, by adjusting the air inlet area of ​​the second sub-port 31a, the suction resistance can be controlled. In this way, the suction resistance of the aerosol generating product 100 can be easily coordinated to a suitable range.

[0112] The air intake volume of the first air inlet accounts for 40%-85% of the total air intake volume of the aerosol-generated product 100. For example, it is 40%, 43%, 46%, 49%, 52%, 55%, 58%, 61%, 64%, 67%, 70%, 73%, 76%, 79%, 82%, 85%, etc.

[0113] It is understandable that the total air intake of the aerosol generating product 100 includes the air intake of the first air inlet, the air intake of the first sub-inlet 100d, and the air intake of the second sub-inlet 31a.

[0114] It should be noted that when the proportion of air intake at the first air inlet is less than 40%, the transmission ratio of airflow entering the matrix section 20 along the axial direction of the aerosol-generating product 100 per unit time is relatively weak, which will affect the balance of internal and external airflow and pressure during heating, thereby weakening the extraction and transmission efficiency of aerosols. Conversely, when the proportion of air intake at the first air inlet is greater than 85%, the transmission ratio of airflow entering the matrix section 20 along the axial direction of the aerosol-generating product 100 per unit time is too high, which will weaken the thermal conductivity of the matrix section 20, similarly leading to a decrease in aerosol extraction efficiency. Furthermore, if the air intake area of ​​the first air inlet is increased by increasing the pore area, the limiting effect of the front plug section 10 on the matrix section 20 will be poor, making it easy for the matrix section 20 to fall off. At the same time, it will also lead to poor adsorption effect of the front plug section 10 on the condensate and weak cleaning power.

[0115] By controlling the proportion of air intake at the first air inlet within the range of 40%-85%, on the one hand, the proportion of air intake at the first air inlet to the total air intake of the aerosol generating product 100 will not be too small. This helps to ensure the proportion of airflow entering the matrix section 20 along the axial direction of the aerosol generating product 100 per unit time, thereby ensuring the balance of internal and external airflow and pressure during heating, and improving the extraction and transmission efficiency of aerosols. On the other hand, the proportion of air intake at the first air inlet to the total air intake of the aerosol generating product 100 will not be too large. This also ensures that the proportion of air intake at the second air inlet 100c to the total air intake of the aerosol generating product 100 will not be too low. This helps to ensure the thermal conductivity of the matrix section 20 and improve the extraction efficiency of aerosols. At the same time, it is not necessary to increase the air intake area of ​​the first air inlet excessively, which helps to ensure the limiting ability of the front plug section 10 on the matrix section 20 and the adsorption capacity of the front plug section 10 on the condensate.

[0116] In related technologies, aerosol generating products based on peripheral heating have limited air intake methods during heating, which affects the heat transfer and aerosol extraction and transmission efficiency of the aerosol generating system. This results in significant differences in sensory experience during inhalation, reducing the user experience.

[0117] The aerosol generating article 100 of this application embodiment has a first air inlet on the end face of the front plug section 10 away from the matrix section 20, a first sub-port 100d near the junction of the front plug section 10 and the matrix section 20, and a second sub-port 31a at the corresponding position in the downstream section 30. In this way, the air entering through the first sub-port 100d can accelerate the heat transfer from the periphery to the center of the aerosol generating product 100, which is beneficial to improving the heat transfer efficiency of the heating zone. Furthermore, the air entering through the first sub-port 100d works in conjunction with the air entering through the first air inlet to increase the total air intake of the aerosol generating product 100, thereby improving the extraction and transfer efficiency of the aerosol and dispersing some of the pressure in the heating zone. At the same time, the air entering through the second sub-port 31a mixes with the air flowing through the matrix section 20 (the air entering through the first air inlet and the first sub-port 100d). The air entering through the second sub-port 31a does not pass through the heating zone and has a lower temperature. This can reduce the temperature of the airflow flowing out of the matrix section 20, thereby improving the problem of the aerosol being "too hot to handle". Moreover, by adjusting the air intake area of ​​the second sub-port 31a, the suction resistance can be controlled, thus making it easier to coordinate the suction resistance of the aerosol generating product 100 to a suitable range.

[0118] Furthermore, by controlling the proportion of air intake at the first air inlet within the range of 40%-85%, on the one hand, the proportion of air intake at the first air inlet to the total air intake of the aerosol generating product 100 will not be too small. This helps to ensure the proportion of airflow entering the matrix section 20 along the axial direction of the aerosol generating product 100 per unit time, thereby ensuring the balance of internal and external airflow and pressure during heating, and improving the extraction and transmission efficiency of aerosols. On the other hand, the proportion of air intake at the first air inlet to the total air intake of the aerosol generating product 100 will not be too large. This also ensures that the proportion of air intake at the second air inlet 100c to the total air intake of the aerosol generating product 100 will not be too low. This helps to ensure the thermal conductivity of the matrix section 20 and improve the extraction efficiency of aerosols. At the same time, it is not necessary to excessively increase the air intake area of ​​the first air inlet, which helps to ensure the limiting ability of the front plug section 10 on the matrix section 20 and the adsorption capacity of the front plug section 10 on the condensate.

[0119] It should be noted that each structural segment of the aerosol generating product 100 (such as the matrix segment 20, the fore-plug segment 10, etc.) can be cylindrical. Specifically, taking the matrix segment 20 as an example, the matrix segment 20 is based on a cylindrical structure, the peripheral sidewall of the matrix segment 20 is the cylindrical surface of the cylinder, and the two end faces of the matrix segment 20 in the axial direction are circular.

[0120] In some embodiments, please refer to Figures 1 to 6Along the axial direction of the aerosol generating article 100, the distance between the center of the first sub-mouth 100d and the distal lip end 100b of the aerosol generating article 100 is 4mm-10mm. For example, it is 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, or 10mm.

[0121] Here, it refers to the distance between the center of the first sub-port 100d and the end of the front plug section 10 away from the matrix section 20 in the axial direction of the aerosol generating article 100.

[0122] It should be noted that when the distance between the center of the first sub-port 100d and the distal lip 100b is less than 4mm, the first sub-port 100d will be too close to the first air inlet. After the air entering through the first sub-port 100d collides with the air entering through the first air inlet, it may affect the air intake of the first air inlet, thus affecting the aerosol extraction efficiency. When the distance between the center of the first sub-port 100d and the distal lip 100b is greater than 10mm, the distance that the air entering through the first sub-port 100d flows through the matrix section 20 is shorter. Thus, the improvement in the heat transfer effect of the heating area is limited, which may also affect the aerosol extraction efficiency.

[0123] It should be noted that the first sub-port 100d can be a port that only penetrates the wrapping layer.

[0124] Understandably, at the junction of the fore-plug section 10 and the matrix section 20, the gap between the coating layer and the structural segment of the aerosol generating article 100 is relatively large. Positioning the first sub-port 100d closer to the junction of the fore-plug section 10 and the matrix section 20 facilitates air intake for the first sub-port 100d. However, at a position farther from the junction of the fore-plug section 10 and the matrix section 20, the adhesion between the coating layer and the cylindrical surface of the structural segment of the aerosol generating article 100 is higher. This could cause the cylindrical surface of the structural segment to block the first sub-port 100d, thus affecting air intake.

[0125] In this embodiment, the distance between the center of the first sub-port 100d and the distal lip 100b is appropriate, which facilitates the air intake of the first sub-port 100d and thus facilitates the transfer of heat energy from the periphery to the center. At the same time, the air entering through the first sub-port 100d has little impact on the air intake of the first air inlet, which is beneficial to further improve the extraction and transmission efficiency of aerosols.

[0126] In some embodiments, please refer to Figures 1 to 6The proportion of the air intake of the first inlet 100d to the total air intake of the aerosol-generated product 100 shall not exceed 10%. For example, this can be 0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5%, or 10%.

[0127] It should be noted that if the air intake of the first port 100d is higher than 10%, there is a risk of significant dilution during the aerosol extraction process due to excessive air intake of the first port 100d, which will affect the aerosol transmission efficiency. At the same time, the aerosol product 100 is more likely to break during the process of leaving the aerosol generating device and during transportation, which will affect the consumer experience.

[0128] In this embodiment, the air intake ratio of the first sub-port 100d is appropriate, which helps to improve the problem of excessive dilution during aerosol extraction, thereby improving the aerosol transport efficiency. In addition, the air intake of the first sub-port 100d does not need to be too large. Therefore, the air intake area of ​​the first sub-port 100d does not need to be too large, and the area of ​​the holes on the sidewall of the aerosol generated product 100 can be reasonably controlled. This helps to improve the bending resistance of the aerosol generated product 100, thereby reducing the probability of breakage during the process of the aerosol generated product 100 leaving the aerosol generating device and during transportation.

[0129] Preferably, the air intake of the first sub-port 100d accounts for no more than 8% of the total air intake of the aerosol-generating product 100.

[0130] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 Along the axial direction of the aerosol generating article 100, the distance between the center of the second sub-mouth 31a and the near-lip end 100a of the aerosol generating article 100 is 6mm-35mm. For example, it is 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 35mm, etc.

[0131] Here, it refers to the distance between the center of the second sub-port 31a and the end of the downstream section 30 away from the matrix section 20 along the axial direction of the aerosol-generating article 100.

[0132] It should be noted that when the distance between the center of the second sub-port 31a and the near-lip end 100a is less than 6 mm, the mixing area between the air entering through the second sub-port 31a and the air flowing through the matrix section 20 is short, which is not conducive to the aroma expression of aerosols. When the distance between the center of the second sub-port 31a and the near-lip end 100a is greater than 35 mm, the aerosols extracted by the matrix section 20 are easily mixed with the outside air in advance, causing the aerosols to condense and throttle during the transmission process, thus causing a decrease in transmission efficiency.

[0133] In this embodiment, the distance between the center of the second sub-port 31a and the near-lip end 100a is appropriate. On the one hand, it helps to ensure the length of the mixing region where the air entering through the second sub-port 31a mixes with the air flowing through the matrix section 20, facilitating uniform mixing of the two airflows and thus achieving uniform cooling of the aerosol, ensuring the aroma expression ability of the aerosol. On the other hand, it helps to reduce the probability of premature mixing between the aerosol and the air entering through the second sub-port 31a, thereby improving problems such as condensation and throttling that occur during the transmission of the aerosol, thus helping to ensure the transmission efficiency of the aerosol.

[0134] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The air intake of the second port 31a shall account for no less than 15% of the total air intake of the aerosol-generated product 100. For example, it may be 15%, 18%, 21%, 24%, 27%, 30%, 33%, 36%, 39%, 42%, 45%, 48%, 51%, 54%, 57%, 60%, etc.

[0135] It should be noted that if the air intake of the second port 31a is less than 15%, the high-temperature aerosol generated by the matrix section 20 may not be easily cooled, and the aerosol may become "hot-mouthed".

[0136] In this embodiment, the air intake of the second port 31a is appropriate, which helps to ensure the amount of air entering through the second port 31a, thereby helping to ensure the cooling effect of the aerosol and thus reducing the probability of the aerosol causing a "hot mouth" problem.

[0137] Preferably, the air intake of the second port 31a accounts for no less than 20% of the total air intake of the aerosol-generating product 100.

[0138] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5The downstream section 30 includes a cooling section 31, which has airflow channels 31b extending through both ends of its axial direction. A second sub-port 31a communicates with the airflow channels 31b. Thus, when holes are drilled in the downstream section 30, the radial dimensions of these holes are relatively short, facilitating their creation. It is understood that these holes will penetrate the peripheral wall of the downstream section 30, and the penetration openings formed by these holes on the peripheral wall of the downstream section 30 are the second sub-port 31a.

[0139] In some embodiments, please refer to Figure 5 The airflow channel 31b includes a first sub-channel 31b1 and a second sub-channel 31b2 connected axially along the cooling section 31. One end of the first sub-channel 31b1 is adjacent to the matrix section 20, and the second sub-channel 31b2 is located at the other end of the first sub-channel 31b1. The diameter of the first sub-channel 31b1 is larger than the diameter of the second sub-channel 31b2. In this way, the airflow channel 31b can generate a guiding effect, which facilitates the aggregation of aerosols and helps to increase the concentration of aerosols per unit volume, thereby improving the suction experience.

[0140] In some embodiments, please refer to Figures 1 to 6 The ratio of the air intake volume of the second air intake 100c to the air intake volume of the first air intake is 1:4 to 1:2. For example, it is 1:4, 1:3.9, 1:3.8, 1:3.7, 1:3.6, 1:3.5, 1:3.4, 1:3.3, 1:3.2, 1:3.1, 1:3, 1:2.9, 1:2.8, 1:2.7, 1:2.6, 1:2.5, 1:2.4, 1:2.3, 1:2.2, 1:2.1, 1:2, etc.

[0141] It should be noted that when the ratio of the air intake volume of the second air inlet 100c to that of the first air inlet is less than 1:4, the air intake volume of the first air inlet is too large, and the airflow inside the aerosol generating product 100 is mainly longitudinal (axial direction of the aerosol generating product 100), resulting in excessive short-range airflow impact. The air intake volume of the second air inlet 100c is too small, which is not conducive to achieving thermal equilibrium with the air entering through the first air inlet, and can easily lead to problems such as the aerosol "burning the mouth". At the same time, the internal heat of the aerosol generating product 100... Flow stagnation can easily lead to a burnt sensation after overheating, which in turn affects the suction experience and appearance cleanliness. When the ratio of the air intake volume of the second air inlet 100c to that of the first air inlet is higher than 1:2, although the airflow inside the aerosol generating product 100 is mainly longitudinal, the excessive air intake of the second air inlet 100c results in a faster transverse (radial) airflow impact. This leads to excessive dilution of the aerosol extracted along the axial direction of the aerosol generating product 100, reducing the aerosol extraction utilization rate.

[0142] In this embodiment, the ratio of the air intake volume of the second air inlet 100c to that of the first air inlet is more appropriate. On the one hand, it facilitates the thermal flow balance between the air entering through the second air inlet 100c and the air entering through the first air inlet, reducing the probability of problems such as "scalding" aerosols. Furthermore, it facilitates the transfer of heat energy from the periphery of the aerosol-generating product 100 to the center, improving the unpleasant user experience caused by local overheating of the aerosol-generating product 100, such as a burnt feeling and poor appearance cleanliness. On the other hand, it facilitates the transmission of hot press heat flow along the axial direction of the aerosol-generating product 100, facilitating airflow balance, improving heating efficiency, and mitigating fluctuations during the aerosol extraction process.

[0143] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The axial dimension ratio of the fore-end section 10, the matrix section 20, and the downstream section 30 is 2-4:4-20:10-21.

[0144] Here, the ratio of the axial dimension of the front plug section 10 to the axial dimension of the matrix section 20 is 2:20-4:4 (i.e., 1:10-1:1). For example, it is 1:10, 1:9.5, 1:9, 1:8.5, 1:8, 1:7.5, 1:7, 1:6.5, 1:6, 1:5.5, 1:5, 1:4.5, 1:4, 1:3.5, 1:3, 1:2.5, 1:2, 1:1.5, 1:1, etc.

[0145] Here, the ratio of the axial dimension of the front section 10 to the axial dimension of the downstream section 30 is 2:21-4:10 (i.e., 2:21-2:5). For example, it is 2:21, 2:20, 2:19, 2:18, 2:17, 2:16, 2:15, 2:14, 2:13, 2:12, 2:11, 2:10, 2:9, 2:8, 2:7, 2:6, 2:5, etc.

[0146] Here, the ratio of the axial dimension of the matrix segment 20 to the axial dimension of the downstream segment 30 is 4:21-20:10 (i.e., 2:10.5-2:1). For example, it can be 2:10.5, 2:10, 2:9.5, 2:9, 2:8.5, 2:8, 2:7.5, 2:7, 2:6.5, 2:6, 2:5.5, 2:5, 2:4.5, 2:4, 2:3.5, 2:3, 2:2.5, 2:2, 2:1.5, 2:1, etc.

[0147] In this embodiment, the axial dimension of the front plug section 10 has a suitable proportion, which facilitates setting the first sub-port 100d in a more suitable position (e.g., 4mm-10mm from the distal lip end 100b); at the same time, the axial dimension of the downstream section 30 also has a suitable proportion, which facilitates setting the second sub-port 31a in a more suitable position (e.g., 6mm-35mm from the proximal lip end 100a); in addition, the axial dimension of the matrix section 20 also has a suitable proportion, which is beneficial to ensuring the service life of the aerosol-generated product 100.

[0148] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The axial dimension of the aerosol-generated product 100 is 40mm-90mm. For example, it is 40mm, 42mm, 44mm, 46mm, 48mm, 50mm, 52mm, 54mm, 56mm, 58mm, 60mm, 62mm, 64mm, 66mm, 68mm, 70mm, 72mm, 74mm, 76mm, 78mm, 80mm, 82mm, 84mm, 86mm, 88mm, 90mm, etc.

[0149] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The absorption resistance (RTD) of the aerosol-generated product 100 is 15mmWG-50mmWG. For example, it is 15mmWG, 20mmWG, 25mmWG, 30mmWG, 35mmWG, 40mmWG, 45mmWG, 50mmWG, etc.

[0150] “mmWG” refers to the static pressure unit, which is the pressure of 1 millimeter of mercury.

[0151] In this embodiment, the suction resistance of the aerosol generating product 100 is suitable. On the one hand, the suction resistance is not too small, which helps to reduce the probability of vacuum problems. On the other hand, the suction resistance is not too large, so that the user can draw in the aerosol by applying a certain suction force during the suction process.

[0152] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The axial dimension of the front plug section 10 is 4mm-8mm. For example, it is 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, etc.

[0153] In this embodiment, the axial dimension of the front plug section 10 is suitable. On the one hand, the axial dimension of the front plug section 10 is not too short. This allows the first sub-port 100d to be positioned further upstream of the aerosol generating article 100, while also ensuring the distance between the center of the first sub-port 100d and the distal lip end 100b. As a result, the air entering through the first sub-port 100d can flow through a longer section of the matrix section 20, which is beneficial for further improving the heat transfer efficiency. Furthermore, the impact of the air entering through the first sub-port 100d on the air intake of the first air inlet can be controlled within an acceptable range, thus ensuring the extraction and transfer efficiency of the aerosol. On the other hand, the axial dimension of the front plug section 10 is not too long. This ensures that the distance between the first sub-port 100d and the matrix section 20 is not too far, while maintaining a suitable distance between the center of the first sub-port 100d and the distal lip end 100b. As a result, the first sub-port 100d is closer to the heating area, facilitating the transfer of heat energy from the periphery to the center by the air entering through the first sub-port 100d.

[0154] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The axial dimension of the matrix segment 20 is 8mm-40mm. For example, it is 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, etc.

[0155] In some embodiments, please refer to Figure 1 , Figure 3 and Figure 5 The axial dimension of the downstream section 30 is 20mm-42mm. For example, it is 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm, 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, etc.

[0156] In this embodiment, the axial dimension of the downstream section 30 is more suitable, so that the second sub-port 31a can be set at a position with a more suitable distance from the near lip end 100a (for example, within the range of 6mm-35mm from the near lip end 100a).

[0157] The aerosol generating article 100 of this application will be further described below with reference to three specific embodiments:

[0158] First embodiment:

[0159] Please see Figure 1 and Figure 2 The aerosol generating product 100 consists of a pre-plug section 10, a matrix section 20, and a downstream section 30. The downstream section 30 includes a cooling section 31 and a filtration section 32. The axial dimension ratio of the pre-plug section 10, the matrix section 20, and the downstream section 30 is 3:10:17 (6mm:20mm:34mm), and the suction resistance of the aerosol generating product 100 is 20mmWG-25mmWG.

[0160] The front plug section 10 is a paper rod made by gathering and forming paper material. On the end face of the front plug section 10 away from the matrix section 20, the gap formed by the paper material folds is the first air inlet. The air intake of the first air inlet accounts for 70% of the total air intake of the aerosol generating product 100.

[0161] The distance between the center of the first sub-mouth 100d and the distal lip 100b is 5mm, and the air intake of the first sub-mouth 100d accounts for 8% of the total air intake of the aerosol-generating product 100.

[0162] The distance between the center of the second inlet 31a and the near-lip end 100a is 15mm. The air intake of the second inlet 31a accounts for 22% of the total air intake of the aerosol-generating product 100.

[0163] The ratio of the air intake volume of the second air intake 100c to the air intake volume of the first air intake is 1:2.3.

[0164] The aerosol generating product 100 of the first embodiment provides the main air intake through the air intake of the first air inlet. The air intake of the first sub-inlet 100d increases the heat energy transfer in the heating area, accelerates the heat source transfer from the periphery to the center, improves the extraction and transmission efficiency of aerosols in the upstream position, and disperses part of the pressure in the heating area. The air intake of the second sub-inlet 31a cools the extracted aerosol and regulates the suction resistance, coordinating it to a suitable suction resistance range.

[0165] Second embodiment:

[0166] Please see Figure 3 and Figure 4 The aerosol generating product 100 consists of a pre-plug section 10, a matrix section 20, and a downstream section 30. The downstream section 30 includes a cooling section 31 and a filtration section 32. The axial dimension ratio of the pre-plug section 10, the matrix section 20, and the downstream section 30 is 3:10:17 (6mm:20mm:34mm), and the suction resistance of the aerosol generating product 100 is 20mmWG-25mmWG.

[0167] The front plug section 10 is a paper rod made by gathering and forming paper material. On the end face of the front plug section 10 away from the matrix section 20, the gap formed by the paper material folds is the first air inlet. The air intake of the first air inlet accounts for 72% of the total air intake of the aerosol generating product 100.

[0168] The distance between the center of the first sub-mouth 100d and the distal lip 100b is 6mm, and the air intake of the first sub-mouth 100d accounts for 5% of the total air intake of the aerosol-generated product 100.

[0169] The distance between the center of the second inlet 31a and the near-lip end 100a is 17 mm. The air intake of the second inlet 31a accounts for 23% of the total air intake of the aerosol-generating product 100.

[0170] The ratio of the air intake volume of the second air intake 100c to the air intake volume of the first air intake is 1:3.17.

[0171] In the second embodiment, the aerosol generating product 100 provides the main air intake through the air intake of the first air inlet. The air intake of the first sub-inlet 100d increases the heat energy transfer in the heating area, accelerates the heat source transfer from the periphery to the center, improves the extraction and transfer efficiency of aerosols in the upstream position, and at the same time reduces the heat accumulation on the outer paper of the aerosol generating product 100, enhances the cleanliness of the appearance, and improves the user's experience. The air intake of the second sub-inlet 31a cools the extracted aerosol and regulates the suction resistance, coordinating it to a suitable suction resistance range.

[0172] Third embodiment:

[0173] Please see Figure 5 and Figure 6 The aerosol generating product 100 consists of a pre-plug section 10, a matrix section 20, and a downstream section 30. The downstream section 30 includes a cooling section 31 and a filtration section 32, with the cooling section 31 also serving a flow guiding function. The axial dimension ratio of the pre-plug section 10, the matrix section 20, and the downstream section 30 is 3:17:20 (6mm:34mm:40mm), and the suction resistance of the aerosol generating product 100 is 20mmWG-25mmWG.

[0174] The front plug section 10 is a paper rod made of non-woven fabric through agglomeration. On the end face of the front plug section 10 away from the matrix section 20, the gap formed by the non-woven fabric folds is the first air inlet. The air intake of the first air inlet accounts for 65% of the total air intake of the aerosol generating product 100.

[0175] The distance between the center of the first sub-mouth 100d and the distal lip 100b is 7mm, and the air intake of the first sub-mouth 100d accounts for 8% of the total air intake of the aerosol-generated product 100.

[0176] The distance between the center of the second inlet 31a and the near-lip end 100a is 20 mm. The air intake volume of the second inlet 31a accounts for 27% of the total air intake volume of the aerosol-generating product 100.

[0177] The ratio of the air intake volume of the second air intake 100c to the air intake volume of the first air intake is 1:2.7.

[0178] The aerosol generating product 100 of the third embodiment provides the main air intake through the air intake of the first air inlet. The air intake of the first sub-inlet 100d increases the heat energy transfer in the heating area, accelerates the heat source transfer from the periphery to the center, improves the extraction and transfer efficiency of aerosols in the upstream position, and disperses part of the pressure in the heating area. The air intake of the second sub-inlet 31a cools the extracted aerosol and regulates the suction resistance, coordinating it to a suitable suction resistance range.

[0179] This application also provides an aerosol generation system, which includes an aerosol generation device and an aerosol generation article 100 according to any embodiment of this application.

[0180] It should be noted that after using the aerosol generating article 100 of any embodiment of this application, the aerosol generating system has all the advantages of the aerosol generating article 100 of that embodiment. The specific advantages are understood with reference to the foregoing content, and will not be repeated here.

[0181] The aerosol generating device is equipped with a receiving chamber and includes a heating component. The distal lip end 100b of the aerosol generating product 100 is located in the receiving chamber, and the matrix section 20 generates aerosol under the action of the heating component.

[0182] The above embodiments are merely illustrative of the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An aerosol-generating article, characterized in that, include: The front piston section has a first air inlet on one end face of its axial direction; The matrix section is located at the end of the front plug section away from the first air inlet; The downstream section is located at the end of the matrix section away from the fore plug section; The aerosol generating product is provided with a second air inlet on its peripheral sidewall. The second air inlet includes a first sub-inlet and a second sub-inlet. The first sub-inlet is located near the junction of the front plug section and the matrix section. The axial projection of the second sub-inlet covers the orthographic projection of the downstream section. The air intake of the first air inlet accounts for 40%-85% of the total air intake of the aerosol generating product.

2. An aerosol-generating article according to claim 1, wherein, The first sub-port is provided on the peripheral sidewall of the pre-plug section near one end of the matrix section; and / or, The matrix segment has a first sub-orifice on its peripheral sidewall near one end of the foreplug segment; and / or, The peripheral sidewalls of the pre-plug segment and the peripheral sidewalls of the matrix segment together define the first sub-orifice at their junction.

3. An aerosol-generating article according to claim 1, wherein Along the axial direction of the aerosol-generating article, the distance between the center of the first sub-orifice and the distal lip of the aerosol-generating article is 4mm-10mm. And / or, The air intake of the first sub-port accounts for no more than 10% of the total air intake of the aerosol-generated product.

4. An aerosol-generating article according to claim 1, wherein Along the axial direction of the aerosol-generating article, the distance between the center of the second sub-orifice and the near-lip end of the aerosol-generating article is 6mm-35mm; and / or, The proportion of the air intake volume of the second sub-port to the total air intake volume of the aerosol-generated product is not less than 15%.

5. An aerosol-generating article according to claim 1, wherein The downstream section includes a cooling section, which is provided with an airflow channel running through both ends of its axial direction, and the second sub-port is connected to the airflow channel.

6. An aerosol-generating article according to claim 5, wherein, The airflow channel includes a first sub-channel and a second sub-channel that are axially connected along the cooling section. One end of the first sub-channel is adjacent to the matrix section, and the second sub-channel is located at the other end of the first sub-channel. The diameter of the first sub-channel is larger than the diameter of the second sub-channel.

7. An aerosol-generating article according to claim 1, wherein, The ratio of the air intake volume of the second air intake to the air intake volume of the first air intake is 1:4 to 1:

2.

8. An aerosol-generating article according to any one of claims 1 to 7, wherein, The axial dimension ratio of the fore-end section, the matrix section, and the downstream section is 2-4:4-20:10-21.

9. An aerosol-generating article according to any one of claims 1 to 7, wherein, The axial dimension of the aerosol-generated product is 40mm-90mm; and / or, The aerosol-generated product has a suction resistance of 15mmWG-50mmWG.

10. An aerosol-generating article according to any one of claims 1 to 7, wherein, The axial dimension of the front plug section is 4mm-8mm; and / or, The axial dimension of the matrix segment is 8mm-40mm; and / or, The axial dimension of the downstream section is 20mm-42mm.

11. An aerosol-generating system comprising: include: An aerosol generating device is provided with a receiving chamber, and the aerosol generating device includes a heating component; The aerosol generating article according to any one of claims 1-10, wherein the distal lip end of the aerosol generating article is disposed in the receiving chamber, and the matrix segment generates aerosol under the action of the heating component.

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