Aerosol generating product and aerosol generating system

Abstract

Embodiments of the present disclosure provide an aerosol generating product and an aerosol generating system. The aerosol generating product comprises at least one combination unit. The combination unit comprises a matrix section and at least one first functional section, the at least one first functional section and the matrix section are arranged in a first direction, and are of an integrated structure, and at least the matrix section can be heated to generate aerosol.

Description

Aerosol-generating article and aerosol-generating system

[0001] Cross-reference to related applications

[0002] The present disclosure is based on and claims priority from Chinese Patent Application No. 202411104621.4 filed on August 12, 2024, the content of which is hereby incorporated by reference in its entirety into the present disclosure. TECHNICAL FIELD

[0003] The present disclosure relates to the technical field of smoking articles, in particular to an aerosol-generating article and an aerosol-generating system. BACKGROUND

[0004] The aerosol-generating article can form an aerosol by ignition or by heating without combustion (HNB). In the aerosol-generating article by heating without combustion, the aerosol-generating article is heated by an external heat source, and the aerosol-generating article is just heated to a sufficient extent to emit an aerosol, and the aerosol-generating article does not burn. By loading a smoking agent, the smoking agent is released to form an aerosol by heating the aerosol-generating article when in use.

[0005] In the existing aerosol-generating system, the substrate section and the functional section are manufactured separately, and in the process of manufacturing the aerosol-generating article, the substrate section and the functional section need to be multi-combined and twisted. There are problems of complicated production process, low production efficiency, and high manufacturing cost. Moreover, the combination and splicing of the substrate section and the functional section are not conducive to the transmission efficiency of the aerosol. SUMMARY

[0006] To solve the above technical problems, the present disclosure provides an aerosol-generating article and an aerosol-generating system, which can simplify the production process, improve the production efficiency, reduce the manufacturing cost, and improve the transmission efficiency of the aerosol.

[0007] The present disclosure provides an aerosol-generating article and an aerosol-generating system.

[0008] The first aspect of the present disclosure provides an aerosol-generating article, comprising:

[0009] At least one combined unit, the combined unit comprising a substrate section and at least one first functional section, the at least one first functional section and the substrate section being arranged along a first direction, and the at least one first functional section and the substrate section being an integral structure, and at least the substrate section being heatable to generate an aerosol.

[0010] In one embodiment, the combination unit is configured to be formed by at least one substrate, the substrate extends along the first direction, the substrate is configured to be formed by a plant comprising a plurality of natural through-holes arranged in parallel, the substrate has a plurality of airflow channels in the interior of the substrate, the natural through-holes form the airflow channels, and at least part of the substrate is loaded with a load capable of generating aerosol or aroma.

[0011] In one embodiment, the substrate has a columnar structure, and the combination unit is formed by a single substrate.

[0012] The substrate has a columnar structure, and the combination unit is formed by a plurality of substrates gathered together.

[0013] In one embodiment, the substrate has a sheet structure, and the combination unit is formed by at least one substrate wound or folded.

[0014] In one embodiment, the at least one first functional section comprises a front plug section, the front plug section is located at the distal lip end of the substrate section, and the front plug section and the substrate section are in an integrated structure.

[0015] In one embodiment, the substrate has a columnar structure, the total length of the front plug section and the substrate section is in the range of 12 mm to 50 mm, and the equivalent diameter of the combination unit is in the range of 4 mm to 15 mm.

[0016] In one embodiment, the substrate has a sheet structure, and the combination unit is formed by at least one substrate wound,

[0017] The length of the substrate is in the range of 12 mm to 50 mm, the width of the substrate is in the range of 10 mm to 50 mm, and the thickness of the substrate is in the range of 2 mm to 7.5 mm.

[0018] In one embodiment, at least part of the front plug section is loaded with a load capable of generating aerosol or aroma, or the loading amount of the load of the front plug section is less than or equal to the loading amount of the load of the substrate section, or the density of the front plug section is less than or equal to the density of the substrate section.

[0019] In one embodiment, the airflow channel penetrates through the front plug section and the substrate section.

[0020] In one embodiment, the at least one first functional section comprises a cooling section, the cooling section is located at the proximal lip end of the substrate section, and the substrate section and the cooling section are in an integrated structure.

[0021] In one embodiment, the base body is in a columnar structure, the total length of the front plug section, the cooling section and the substrate section is in a range from 35 mm to 75 mm, and the equivalent diameter of the combined unit is in a range from 4 mm to 15 mm.

[0022] In one embodiment, the base body is in a sheet structure, the combined unit is formed by winding at least one of the base bodies,

[0023] The length of the base body is in a range from 30 mm to 70 mm, the width of the base body is in a range from 10 mm to 50 mm, the thickness of the base body corresponding to the area of the substrate section is in a range from 2 mm to 7.5 mm, or the thickness of the base body corresponding to the area of the cooling section is in a range from 1 mm to 4 mm.

[0024] In one embodiment, at least part of the cooling section is loaded with a load capable of generating aerosol or aroma, or the loading amount of the load of the cooling section is less than the loading amount of the load of the substrate section, or the density of the cooling section is less than the density of the substrate section.

[0025] In one embodiment, the airflow passage penetrates through the cooling section and the substrate section.

[0026] In one embodiment, the at least one first functional section includes a front plug section and a cooling section, the front plug section is located at the distal lip end of the substrate section, the cooling section is located at the proximal lip end of the substrate section, and the front plug section, the substrate section and the cooling section are in an integrated structure.

[0027] In one embodiment, the base body is in a columnar structure, the total length of the front plug section, the cooling section and the substrate section is in a range from 35 mm to 75 mm, and the equivalent diameter of the combined unit is in a range from 4 mm to 15 mm.

[0028] In one embodiment, the base body is in a sheet structure, the combined unit is formed by winding at least one of the base bodies,

[0029] The length of the base body is in a range from 35 mm to 75 mm, the width of the base body is in a range from 10 mm to 50 mm, the thickness of the base body corresponding to the area of the substrate section is in a range from 2 mm to 7.5 mm, or the thickness of the base body corresponding to the area of the front plug section is in a range from 2.5 mm to 7.5 mm, or the thickness of the base body corresponding to the area of the cooling section is in a range from 1 mm to 4 mm.

[0030] In one embodiment, the airflow passage runs through the front plug section, the substrate section and the cooling section, or the density of the front plug section and the cooling section is less than the density of the substrate section, or the loading of at least one of the front plug section and the cooling section is less than the loading of the substrate section.

[0031] In one embodiment, the at least one first functional section comprises a cooling section and a filter section, the cooling section is located at the proximal lip end of the substrate section, and the filter section is located at the proximal lip end of the cooling section, and the substrate section, the cooling section and the filter section are in an integrated structure.

[0032] In one embodiment, the substrate is in a columnar structure, the total length of the filter section, the cooling section and the substrate section is in the range of 35mm to 75mm, and the equivalent diameter of the combined unit is in the range of 4mm to 15mm.

[0033] In one embodiment, the substrate is in a sheet structure, the combined unit is formed by winding at least one of the substrates,

[0034] The length of the substrate is in the range of 35mm to 75mm, the width of the substrate is in the range of 10mm to 50mm, the thickness of the substrate corresponding to the area of the substrate section is in the range of 2mm to 7.5mm, or the thickness of the substrate corresponding to the area of the filter section is in the range of 2.5mm to 7.5mm, or the thickness of the substrate corresponding to the area of the cooling section is in the range of 1mm to 4mm.

[0035] In one embodiment, the airflow passage runs through the substrate section, the cooling section and the filter section, or the density of the filter section and the cooling section is less than the density of the substrate section, or the loading of the substrate section is greater than the loading of the filter section and the cooling section.

[0036] In one embodiment, the at least one first functional section comprises a front plug section, a cooling section and a filter section, the front plug section is located at the distal lip end of the substrate section, the cooling section is located at the proximal lip end of the substrate section, and the filter section is located at the proximal lip end of the cooling section, and the front plug section, the substrate section, the cooling section and the filter section are in an integrated structure.

[0037] In one embodiment, the substrate is in a columnar structure, the total length of the front plug section, the filter section, the cooling section and the substrate section is in the range of 40mm to 80mm, and the equivalent diameter of the combined unit is in the range of 4mm to 15mm.

[0038] In one embodiment, the substrate is in a sheet structure, the combined unit is formed by winding at least one of the substrates,

[0039] The length of the substrate is in a range of 40 mm to 80 mm, the width of the substrate is in a range of 10 mm to 50 mm, the thickness of the substrate corresponding to the region of the substrate segment is in a range of 2 mm to 7.5 mm, the thickness of the substrate corresponding to the region of the front plug segment is in a range of 2.5 mm to 7.5 mm, or the thickness of the substrate corresponding to the region of the filter segment is in a range of 2.5 mm to 7.5 mm, or the thickness of the substrate corresponding to the region of the cooling segment is in a range of 1 mm to 4 mm.

[0040] In one implementation, the airflow passage extends through the front plug segment, the substrate segment, the cooling segment, and the filter segment, or the density of at least one of the filter segment, the front plug segment, and the cooling segment is less than or equal to the density of the substrate segment, or the loading of at least one of the filter segment, the front plug segment, and the cooling segment is less than or equal to the loading of the substrate segment.

[0041] In one implementation, the substrate segment is loaded with a loading, and the loading includes at least one of tobacco powder, non-tobacco plant powder, aerosol generating agent, essence and flavor, mouthfeel agent, and nicotine.

[0042] In one implementation, the substrate includes at least one of bamboo, wood, kudzu vine, wisteria, akebia vine, grape vine, milkvetch root, codonopsis root, rush stem, water onion stem, sugarcane, corn, sorghum, and reed.

[0043] In one implementation, the substrate includes cellulose, and the content of the cellulose in the substrate is greater than or equal to 50%.

[0044] In one implementation, the porosity of the substrate is in a range of 50% to 98%; and / or,

[0045] The density of the substrate is in a range of 0.05 g / cm 3 to 0.3 g / cm 3 .

[0046] In one implementation, the aerosol generating article includes a second functional segment, the second functional segment is arranged along a first direction with the substrate segment, and the second functional segment is in a separate structure from the substrate segment.

[0047] In one implementation, the second functional segment is formed from a plant preparation including a plurality of parallel natural through-holes.

[0048] A second aspect of the embodiments of the present disclosure provides an aerosol generating system including:

[0049] An aerosol generating device;

[0050] The aerosol generating article described above, the aerosol generating device includes a heating member for heating the aerosol generating article to generate an aerosol.

[0051] The aerosol generating article provided by the embodiments of the present disclosure includes at least one combined unit, the combined unit includes a substrate segment and at least one first functional segment, and the first functional segment and the substrate segment are in an integrated structure, that is, the first functional segment and the substrate segment can be integrally formed, the substrate segment can be heated to generate an aerosol, and the first functional segment can cooperate with the substrate segment to improve the smoking experience. In this way, when manufacturing the aerosol generating article, the first functional segment and the substrate segment can be integrally formed, without the need to separately manufacture the substrate segment and the functional segment, and without the need to multi-composite and intertwine the substrate segment and the functional segment, which can simplify the production process, improve production efficiency, and reduce manufacturing cost. In addition, compared with the substrate segment and the first functional segment that are combined and spliced, the integrally formed first functional segment and substrate segment are beneficial to improving the transmission efficiency of the aerosol in the substrate segment and the first functional segment. BRIEF DESCRIPTION OF DRAWINGS

[0052] FIG. 1 is a structural schematic diagram of an aerosol generating system according to some embodiments of the present disclosure;

[0053] FIG. 2 is a structural schematic diagram of a combined unit according to a first embodiment of the present disclosure;

[0054] FIG. 3 is a structural schematic diagram of a substrate according to the first embodiment of the present disclosure;

[0055] FIG. 4 is a structural schematic diagram of a substrate according to a second embodiment of the present disclosure;

[0056] FIG. 5 is a structural schematic diagram of an aerosol generating article according to the first embodiment of the present disclosure;

[0057] FIG. 6 is a cross-sectional view of FIG. 5;

[0058] FIG. 7 is a structural schematic diagram of an aerosol generating article according to a second embodiment of the present disclosure;

[0059] FIG. 8 is a structural schematic diagram of an aerosol generating article according to a third embodiment of the present disclosure;

[0060] FIG. 9 is a structural schematic diagram of an aerosol generating article according to a fourth embodiment of the present disclosure;

[0061] FIG. 10 is a structural schematic diagram of an aerosol generating article according to a fifth embodiment of the present disclosure;

[0062] FIG. 11 is a structural schematic diagram of an aerosol generating article according to a sixth embodiment of the present disclosure.

[0063] Reference signs 10, aerosol-generating article; 11, substrate segment; 12, filter segment; 13, temperature-reducing segment; 131, hollow channel; 14, front plug segment; 15, combined unit; 151, base; 152, airflow channel; 20, aerosol-generating device; 21, containing cartridge; 22, heating element; 23, power supply assembly; 100, aerosol-generating system. DETAILED DESCRIPTION

[0064] In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be described clearly below with reference to the drawings in the embodiments of the present disclosure. The following embodiments are only used to illustrate the technical solutions of the present disclosure more clearly, and therefore only serve as examples, and cannot be used to limit the protection scope of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present disclosure.

[0065] In the description of the embodiments of the present disclosure, the technical terms “first”, “second”, “third” and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present disclosure, the meaning of “a plurality of” is two or more, unless otherwise explicitly and specifically limited.

[0066] In this document, the reference to “an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present disclosure. The appearance of this phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with each other.

[0067] In the description of the embodiments of the present disclosure, the term “and / or” is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character “ / ” in this document generally represents an “or” relationship between the front and rear associated objects.

[0068] In the description of the embodiments of the present disclosure, unless specifically defined and limited otherwise, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0069] In the description of the embodiments of the present disclosure, unless specifically defined and limited otherwise, the technical term "contacting" should be understood in a broad sense, which can be direct contact or contact through an intermediate medium layer, and can be contact between two objects in contact without interaction force, or can be contact between two objects in contact with interaction force.

[0070] In the description of the present disclosure, the "first direction" orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It should be understood that these orientation terms are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present disclosure.

[0071] The present disclosure will be further described in detail below in combination with the drawings and specific embodiments.

[0072] Please refer to FIGS. 2 to 11, the present disclosure provides an aerosol generating article 10, the aerosol generating article 10 comprises at least one combination unit 15. The combination unit 15 comprises a substrate segment 11 and at least one first function segment, the at least one first function segment is arranged along a first direction with the substrate segment 11, and the at least one first function segment is integrated with the substrate segment 11, and at least the substrate segment 11 can be heated to generate aerosol.

[0073] In the embodiments of the present disclosure, the substrate segment 11 is suitable for heating and non-combustion for example.

[0074] The present disclosure also provides an aerosol generating system 100, please refer to FIG. 1, the aerosol generating system 100 comprises the aerosol generating article 10 of any embodiment of the present disclosure and the aerosol generating device 20.

[0075] The aerosol generating article 10 is used in cooperation with the aerosol generating device 20, and the aerosol generating device 20 is used to heat the aerosol generating article 10.

[0076] The aerosol generating article 10 is used to generate aerosol when heated for a user to smoke.

[0077] In the embodiments of the present disclosure, the aerosol generating article 10 is substantially cylindrical. The cylindrical shape can be a circular cylinder (i.e., the cross-sectional shape is circular), a prism (i.e., the cross-sectional shape is polygonal), an elliptical cylinder (i.e., the cross-sectional shape is elliptical), or an irregular cylinder, and the like, which is not limited herein.

[0078] Here, the number of the aerosol generating articles 10 in the aerosol generating device 20 can be one or more.

[0079] The plurality in the embodiments of the present disclosure means two or more.

[0080] Exemplarily, the substrate segment 11 includes an aerosol generating agent for forming an aerosol.

[0081] Exemplarily, the substrate segment 11 extends in a first direction. Exemplarily, the first direction is the direction indicated by L in FIGS. 4 to 6.

[0082] It should be noted that the aerosol generating article 10 is consistent with the extension direction of the substrate segment 11. That is, the aerosol generating article 10 also extends in the first direction.

[0083] The combination unit 15 includes at least one first function segment arranged in the first direction with the substrate segment 11.

[0084] It should be noted that the lines between different first function segments and between the substrate segment and the first function segment shown in FIGS. 5 to 11 are used to distinguish different first function segments or the substrate segment and the first function segment, which can exist or not exist in the actual product. When not existing in the embodiments, the density, relative position, concentration of the load, and the like can be used for distinction.

[0085] Referring to FIGS. 1 and 5, the first direction is the arrangement direction of the substrate segment 11 and the first function segment, the aerosol generating article 10 is inserted into the aerosol generating device 20 in the first direction, the substrate segment 11 is closer to the heating element 22, the aerosol generating article 10 is also taken out of the aerosol generating device 20 in the first direction, and the length of the substrate segment 11 in the first direction can be longer, shorter, or the same as the length in other directions.

[0086] For example, when the appearance profile of the combination unit 15 is cylindrical, the first direction is the axial direction of the combination unit 15. It should be noted that the axial length of the combination unit 15 can be smaller than the diameter thereof.

[0087] For another example, when the appearance profile of the combination unit 15 is a cuboid, the first direction is still the direction defined above, i.e. the arrangement direction of the substrate section 11 and the first functional section, or the direction in which the aerosol generating article 10 is taken off or placed on the aerosol generating device 20, and the first direction of the combination unit 15 can be any one of the length, width or height of the cuboid.

[0088] The aerosol generating article 10 can include one combination unit 15 or multiple combination units 15.

[0089] Referring to FIGS. 8 and 9, the combination unit 15 can include one first functional section, and referring to FIGS. 5 to 7, 10 and 11, the combination unit 15 can include multiple first functional sections. In the embodiment in which the number of the first functional sections is multiple, the multiple first functional sections and the substrate section 11 are of an integral structure.

[0090] The aerosol generating article 10 provided by the embodiment of the disclosure includes the combination unit 15, the combination unit 15 includes the substrate section 11 and at least one first functional section, and the first functional section and the substrate section 11 are of an integral structure, that is, the first functional section and the substrate section 11 can be integrally formed, the substrate section 11 can be heated to generate aerosol, and the first functional section can cooperate with the substrate section 11 to improve the smoking experience. In this way, when the aerosol generating article 10 is manufactured, the first functional section and the substrate section 11 can be integrally formed, the substrate section 11 and the functional section do not need to be separately manufactured, and the substrate section 11 and the functional section do not need to be multi-elementally compounded and twisted, which can simplify the production process, improve the production efficiency, reduce the manufacturing cost, and compared with the combination and splicing of the substrate section and the first functional section, the integrally formed first functional section and the substrate section are beneficial to improving the transmission efficiency of the aerosol in the substrate section and the first functional section.

[0091] In some embodiments, the combination unit 15 is configured to be prepared from at least one substrate 151, the substrate 151 extends along the first direction, the substrate 151 is configured to be prepared from a plant including multiple parallel natural through holes, the inside of the substrate 151 has multiple airflow channels 152, the natural through holes form the airflow channels 152, and at least part of the substrate 151 is loaded with a load capable of generating aerosol or aroma.

[0092] The combination unit 15 can be prepared from one substrate 151 or multiple substrates 151.

[0093] The base body 151 is configured to be prepared from a plant containing a plurality of natural through-holes arranged in parallel. That is, the base body 151 manufactured from a plant has a plurality of natural through-holes inside itself, and the natural through-holes form the airflow passage 152. Thus, the base body 151 is facilitated to form a plurality of airflow passages 152, thereby facilitating to improve the production efficiency of the functional section. In addition, the base body 151 is made of a plant from a natural source, and is biodegradable and environmentally friendly.

[0094] Since the plant containing a plurality of natural through-holes arranged in parallel has a high porosity, the combination unit 15 prepared from the base body 151 has a proper resistance to suction, thereby improving the suction experience.

[0095] The base body 151 is a structural framework, and the base body 151 does not generate an aerosol.

[0096] In addition, the raw material source of the base body 151 is relatively extensive, and the cost of acquisition is relatively low, thereby facilitating to reduce the manufacturing cost of the functional section and improve the production efficiency; and the temperature resistance of the base body 151 itself is relatively good, and basically no peculiar smell is generated after heating, thereby facilitating to improve the taste of the aerosol.

[0097] Exemplarily, the base body 151 includes at least one of bamboo, wood, kudzu vine, wisteria, akebia vine, grape vine, milkvetch root, codonopsis root, rush grass stem, water onion stem, sugarcane, corn, sorghum, and reed. That is, the base body 151 can be one of bamboo, wood, kudzu vine, wisteria, akebia vine, grape vine, milkvetch root, codonopsis root, rush grass stem, water onion stem, sugarcane, corn, sorghum, and reed, or can be a plurality of bamboo, wood, kudzu vine, wisteria, akebia vine, grape vine, milkvetch root, codonopsis root, rush grass stem, water onion stem, sugarcane, corn, sorghum, and reed.

[0098] Exemplarily, the base body 151 is prepared from a plant containing a plurality of natural through-holes arranged in parallel through pretreatment.

[0099] Exemplarily, the pretreatment refers to acid washing the plant, and then foaming the plant, thereby being able to remove lignin, hemicellulose, etc. in the plant. The plant after the pretreatment has a characteristic aroma that can be removed.

[0100] In this embodiment, the combination unit 15 is configured by at least one base body 151, and the base body 151 is configured by a plant containing a plurality of natural straight-through holes arranged in parallel, so that the natural straight-through holes of the plant form the airflow channels 152 of the base body 151, so that the combination unit 15 has a proper suction resistance. In addition, the combination unit 15 formed by the plant containing the natural straight-through holes has a certain high-temperature resistance, which can improve the structural stability of the combination unit 15 and prevent the combination unit 15 from deforming and melting after being heated. To some extent, it can improve the release of odor, the influence of suction resistance caused by the collapse of the airflow channels 152, and the blockage of the airflow channels 152, thereby improving the user experience. In addition, the base body 151 is configured by the plant containing a plurality of natural straight-through holes arranged in parallel, which is beneficial to the transmission of aerosol in the natural straight-through holes, that is, it is beneficial to further improve the transmission efficiency of aerosol between the substrate section and the first functional section.

[0101] In some embodiments, the base body 151 of the substrate section 11 is loaded with a load capable of generating aerosol.

[0102] Exemplarily, the load includes at least an aerosol generating agent.

[0103] The load can be a load liquid, and the base body 151 of the substrate section 11 can be adsorbed with the load liquid. The adsorption method can be soaking, injection, spraying, or dropwise addition. The load liquid includes one or more of tobacco powder, non-tobacco plant powder, aerosol generating agent, flavoring agent, mouthfeel agent, and nicotine.

[0104] The way in which the base body 151 is loaded with the load is not limited. For example, the load can be injected into the base body 151 by quantitative injection; or the base body 151 can be immersed in a load slurry in a liquid state and then taken out and dried to be shaped; or the base body 151 can be immersed in a load slurry in a liquid state, filled by pressure, and then dried to be shaped.

[0105] It should be noted that after the substrate section 11 is processed and shaped, the load is condensed into a solid state.

[0106] The load includes at least an aerosol generating agent, which is used to generate aerosol when heated for a user to inhale.

[0107] In some embodiments, the load can also include a smoking agent component. The smoking agent component is used to generate smoke when heated, and thus the smoking agent component cooperates with the aerosol generating agent and the plant component to ensure the generation amount of aerosol.

[0108] Exemplarily, the smoking agent component can include one or more of the following in combination: 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, glycerol diacetate mixture, triethyl citrate, benzyl benzoate, glycerol tributyrate); monocarboxylic acids; dicarboxylic acids; polycarboxylic acids (such as lauric acid, myristic acid) or fatty esters of polycarboxylic acids (such as dimethyl dodecanedioate, dimethyl tetradecanedioate, erythritol, 1,3-butanediol, tetraethylene glycol, triethyl citrate, propylene carbonate, ethyl laurate, Triactin, meso-erythritol, glycerol diacetate mixture, diethyl suberate, triethyl citrate, benzyl benzoate, benzyl phenyl acetate, ethyl vanillate, glycerol tributyrate, lauryl acetate).

[0109] In some embodiments, the porosity of the substrate 151 is in a range of 50% to 98%.

[0110] The porosity of the substrate 151 can be a point value of any one of 50%, 52%, 53%, 54%, 55%, 58%, 60%, 61%, 63%, 64%, 65%, 68%, 70%, 72%, 73%, 75%, 77%, 80%, 82%, 83%, 85%, 86%, 90%, 92%, 93%, 95%, 98% or a point value between any two of them.

[0111] It should be noted that the porosity of the substrate 151 refers to the ratio of the sum of the volumes of all airflow channels 152 inside the substrate 151 to the volume of the substrate 151.

[0112] The porosity can be measured according to the method specified in YC / T 473-2013 "Determination of apparent density, true density and internal pore volume of cut tobacco".

[0113] Here, when the porosity of the substrate 151 is too small, it can cause the resistance of the substrate 151 to be too large, which can greatly limit the generation and migration of aerosol, and when the porosity of the substrate 151 is too large, it can cause the resistance of the substrate 151 to be too small, which can cause the stiffness of the substrate 151 to be insufficient.

[0114] Therefore, by setting the porosity of the substrate 151 in a range of 50% to 98%, the resistance of the substrate 151 can be appropriate, which is conducive to the generation and migration of aerosol and has a certain stiffness.

[0115] Preferably, the porosity of the substrate 151 is in a range of 70% to 95%.

[0116] In some embodiments, the density of the substrate 151 is in a range of 0.03 g / cm 3Up to 0.3 g / cm 3 The range.

[0117] The density of matrix 151 can be 0.03 g / cm³. 3 0.05g / cm 3 0.06g / cm 3 0.08g / cm 3 0.1g / cm 3 0.12g / cm 3 0.13g / cm 3 0.15g / cm 3 0.16g / cm 3 0.17g / cm 3 0.2g / cm 3 0.22g / cm 3 0.23g / cm 3 0.24g / cm 3 0.25g / cm 3 0.26g / cm 3 0.28g / cm 3 0.3g / cm 3 The point value of any one of them or the point value between any two.

[0118] Here, when the density of the matrix 151 is too high, it may result in a large suction resistance of the matrix 151 and a small load on the load, which will lead to a small amount of smoke and a greater restriction on the generation and migration of aerosols. When the density of the matrix 151 is too low, it may result in insufficient stiffness of the matrix 151, a small amount of smoke, poor consistency of the matrix 151, and low smoking satisfaction.

[0119] Thus, by setting the density of matrix 151 to 0.05 g / cm³ 3 Up to 0.3 g / cm 3 The range can take into account the suction resistance, stiffness and load on the substrate 151, which is beneficial to improve the consistency of the aerosol product 10 and the suction satisfaction.

[0120] Preferably, the density of the matrix 151 is 0.1 g / cm³. 3 Up to 0.24 g / cm 3 The range.

[0121] In some embodiments, airflow channels 152 with an equivalent diameter of 1 μm to 2 mm account for more than 90% of all airflow channels 152 in the substrate 151.

[0122] That is, the ratio of the number of the airflow passages 152 with the equivalent diameter of 1 μm to 2 mm to the total number of the airflow passages 152 in the substrate 151 is greater than or equal to 90%.

[0123] It can be understood that the airflow passages 152 with the equivalent diameter less than 1 μm are easy to be blocked by the load or other substances, and if there are too many airflow passages 152 with the equivalent diameter less than 1 μm, the draw resistance of the substrate 151 after loading the load will be large, and the draw resistance may be small during use, affecting the consistency of the taste; and if there are too many airflow passages 152 with the equivalent diameter greater than 2 mm, the draw resistance of the substrate 151 will be small, and the load capacity of the substrate 151 for the load will be reduced.

[0124] Therefore, by setting the ratio of the number of the airflow passages 152 with the equivalent diameter of 1 μm to 2 mm to the total number of the airflow passages 152 in the substrate 151 to be greater than or equal to 90%, the draw resistance and the load capacity of the substrate 151 for the load can be considered, and the change of the draw resistance of the substrate 151 during use can be reduced, thereby improving the consistency of the taste.

[0125] It should be noted that the natural through hole of the plant can be exactly the same as the airflow passage 152 of the substrate 151, or the natural through hole of the plant can be processed to form the airflow passage 152 of the substrate 151, that is, the size and / or shape of the natural through hole are different from the size and / or shape of the airflow passage 152.

[0126] The natural through hole of the plant can extend only in the first direction, or can extend in the radial direction of the plant.

[0127] In some embodiments, in a cross section perpendicular to the first direction, the ratio of the sum of the cross-sectional areas of all the airflow passages 152 with the equivalent diameter in the range of 0.01 mm to 0.3 mm to the cross-sectional area of the substrate 151 is in the range of 10% to 60%.

[0128] In this way, the draw resistance of the substrate 151 can be appropriate, which is beneficial to the generation and migration of the aerosol and has a certain stiffness.

[0129] In some embodiments, in a cross section perpendicular to the first direction, the average equivalent diameter of all the airflow passages 152 with the equivalent diameter greater than or equal to 10 μm is in the range of 0.05 mm to 0.8 mm.

[0130] In some embodiments, the elastic recovery rate of the substrate 151 in the radial direction is in the range of 76% to 98%.

[0131] The elastic recovery rate of the base body 151 in the radial direction refers to the percentage of the original shape or size that the base body 151 can recover after deformation under the action of an external force. The core principle is based on the elastic mechanical properties of the material, and a higher value indicates stronger resistance to permanent deformation.

[0132] By setting the elastic recovery rate of the base body 151 in the radial direction to be in the range of 76% to 98%, the structural strength, stability and porosity of the base body 151 can be considered.

[0133] In some embodiments, the radial hardness of the base body 151 is in the range of 70% to 95%.

[0134] The radial hardness is a mechanical property index of the base body 151 that locally resists indentation deformation, reflecting the ability of the base body 151 to resist surface deformation under pressure.

[0135] The radial hardness of the base body 151 can be measured by indentation method: applying radial pressure to the surface of the base body 151, and calculating the hardness value according to the indentation depth or area.

[0136] By setting the radial hardness of the base body 151 to be in the range of 70% to 95%, the structural strength, stability and porosity of the base body 151 can be considered.

[0137] In some embodiments, the tensile strength of the base body 151 in the first direction is in the range of 5kN / m to 30kN / m.

[0138] Tensile strength, also known as tensile strength or breaking strength, is the breaking force per unit area.

[0139] Tensile strength is the maximum load that causes the base body 151 to break in the first direction from the original cross-section.

[0140] The measurement standard can use a horizontal tensile strength measuring instrument.

[0141] The tensile strength of the base body 151 in the first direction can be any one of 5kN / m, 6kN / m, 7kN / m, 8kN / m, 9kN / m, 10kN / m, 12kN / m, 13kN / m, 15kN / m, 16kN / m, 17kN / m, 18kN / m, 19kN / m, 20kN / m, 21kN / m, 23kN / m, 25kN / m, 26kN / m, 27kN / m, 29kN / m, 30kN / m or any point value between any two of them.

[0142] Here, by setting the tensile strength of the base body 151 in the first direction to be in the range of 5 kN / m to 30 kN / m, the case that the base body 151 is broken and falls off can be improved, which is conducive to improving the amount of smoke, the stability of smoking, and the yield rate. In addition, in the embodiment in which the substrate section 11 includes the base body 151, the substrate section 11 can also be a homogeneous system, which is conducive to continuously and uniformly generating aerosol.

[0143] In some embodiments, the tensile strength of the base body 151 in the direction perpendicular to the first direction is in the range of 0.5 kN / m to 10 kN / m.

[0144] The tensile strength of the base body 151 in the direction perpendicular to the first direction can be a point value of any one of 0.5 kN / m, 0.6 kN / m, 0.7 kN / m, 0.8 kN / m, 0.9 kN / m, 1 kN / m, 1.5 kN / m, 2 kN / m, 2.5 kN / m, 3 kN / m, 3.5 kN / m, 4 kN / m, 4.5 kN / m, 5 kN / m, 6 kN / m, 7 kN / m, 8 kN / m, 9 kN / m, 10 kN / m or a point value between any two of them.

[0145] Here, by setting the tensile strength of the base body 151 in the direction perpendicular to the first direction to be in the range of 0.5 kN / m to 10 kN / m, the structural strength and porosity of the base body 151 can be taken into account.

[0146] It should be noted that the specific structural form of the base body 151 is various.

[0147] In some embodiments, referring to FIGS. 8 to 11, the base body 151 is in a columnar structure, and the combined unit 15 is composed of a single base body 151.

[0148] The columnar structure can be a circular cylinder (i.e., the cross-sectional shape is circular), a prism (i.e., the cross-sectional shape is polygonal), an elliptical cylinder (i.e., the cross-sectional shape is elliptical), or an irregular column, etc., which is not limited here.

[0149] In some embodiments, referring to FIGS. 8 to 11, the combined unit 15 is composed of a single base body 151.

[0150] In other embodiments, referring to FIG. 2, the combined unit 15 is formed by gathering a plurality of base bodies 151.

[0151] Here, the plurality of base bodies 151 can be arranged in parallel or can be wound around each other.

[0152] In other embodiments, referring to FIGS. 3 and 4, the base body 151 is in a sheet structure, and the combined unit 15 is formed by winding or folding at least one base body 151.

[0153] The combination unit 15 can be formed by winding or folding one base body 151, or can be formed by winding or folding a plurality of base bodies 151.

[0154] Here, the number of the first functional segments can be one or multiple.

[0155] In some embodiments, referring to FIG. 8, the at least one first functional segment includes a front plug segment 14 located at a distal lip end of the substrate segment 11, and the front plug segment 14 and the substrate segment 11 are in an integrated structure.

[0156] In this embodiment, the aerosol generating article 10 is composed of the combination unit 15 (including the front plug segment 14 and the substrate segment 11), a formed paper tube, the filter segment 12 (the second functional segment), the cooling segment 13 (the second functional segment), and tipping paper.

[0157] The front plug segment 14 is arranged at one end of the substrate segment 11 and at the distal lip end of the aerosol generating article 10. On the one hand, in the use process, the front plug segment 14 mainly plays a role of isolation and support, and can effectively reduce the probability of the substrate segment 11 falling off from the outer wrapping layer. On the other hand, it can also effectively avoid the problem that the condensed aerosol flows downward and remains in the containing chamber 21 of the aerosol generating device 20, thereby causing internal pollution of the containing chamber 21 and being difficult to clean, and the problem of flavoring caused by smoking different flavored aerosol generating articles 10.

[0158] Due to the characteristic that the plant contains a plurality of naturally straight-through holes arranged in parallel, the front plug segment 14 using the plant as the base body 151 has relatively more naturally straight-through holes inside, which can increase the surface area of the front plug segment 14. The front plug segment 14 can adsorb the backflow condensed aerosol, improve the situation that the aerosol condensate flows back to the containing chamber 21 of the aerosol generating device 20, that is, can improve the anti-leakage effect of the front plug segment 14.

[0159] In addition, since the front plug segment 14 is arranged close to the substrate segment 11, it can improve the situation that the temperature of the substrate segment 11 is transferred to the front plug segment 14 and then deformed and fused, and can improve the situation that the released odor affects the suction resistance due to the collapse of the airflow channel 152 and blocks the airflow channel 152.

[0160] The density of the front plug segment 14 ranges from 0.05 g / cm 3 to 0.25 g / cm 3 . A density that is too low has poor isolation and anti-leakage effect, and a density that is too high affects the airflow passing through.

[0161] In some embodiments, the base body 151 has a columnar structure, the total length of the front plug segment 14 and the substrate segment 11 ranges from 12 mm to 50 mm, and the equivalent diameter of the combination unit 15 ranges from 4 mm to 15 mm.

[0162] The total length of the front plug segment 14 and the substrate segment 11 can be a point value of any one of 12 mm, 13 mm, 15 mm, 18 mm, 20 mm, 25 mm, 28 mm, 30 mm, 35 mm, 38 mm, 40 mm, 42 mm, 43 mm, 45 mm, 48 mm, 50 mm or a point value between any two of them.

[0163] By setting the total length of the front plug segment 14 and the substrate segment 11 to be in the range of 12 mm to 50 mm, the length of the substrate segment 11 can be appropriately made so that the aerosol generating article 10 can generate sufficient aerosol while the length of the front plug segment 14 can be appropriately made to effectively adsorb backflow aerosol after the end of puffing, to improve condensation of the aerosol in the aerosol generating device 20 while making the resistance of the front plug segment 14 appropriate.

[0164] The equivalent diameter of the combined unit 15 can be a point value of any one of 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm or a point value between any two of them.

[0165] Here, the equivalent diameter of one base body 151 can be in the range of 4 mm to 15 mm. Also, the equivalent diameter of the combined unit 15 after the plurality of base bodies 151 are gathered can be in the range of 4 mm to 15 mm.

[0166] Exemplarily, the plurality of base bodies 151 can be compressed and put into a forming paper tube, can be two or more strips spliced into a cylinder or a cuboid, spliced and gathered and then compressed and put into a forming paper tube.

[0167] In some embodiments, the base body 151 has a sheet structure, and the combined unit 15 is formed by winding at least one base body 151. The length of the base body 151 is in the range of 12 mm to 50 mm, the width of the base body 151 is in the range of 10 mm to 50 mm, and the thickness of the base body 151 is in the range of 2 mm to 7.5 mm.

[0168] Exemplarily, the thickness of the base body 151 corresponding to the area of the substrate segment 11 is in the range of 2 mm to 7.5 mm, or the thickness of the base body 151 corresponding to the area of the front plug segment 14 is in the range of 2.5 mm to 7.5 mm.

[0169] The base body 151 can have a sheet structure with a length in the range of 12 mm to 50 mm and a width in the range of 10 mm to 50 mm, and the combined unit 15 is formed by winding at least one base body 151. That is, the length of the combined unit 15 is in the range of 12 mm to 50 mm.

[0170] Here, the length of the substrate 151 can be greater than the width of the substrate 151, or the length of the substrate 151 can be less than the width of the substrate 151.

[0171] The front plug section 14 and the substrate section 11 can have different densities by adjusting the width, thickness, and other parameters of the sheet-shaped substrate 151 and by compression rolling.

[0172] The sheet-shaped substrate 151 can be placed in a forming paper tube after rolling, or can be connected by adhesion.

[0173] Here, the thickness of the substrate 151 corresponding to the area of the substrate section 11 can be greater than the thickness of the substrate 151 corresponding to the area of the front plug section 14, in which case the porosity of the substrate section 11 is less than the porosity of the front plug section 14. Alternatively, the thickness of the substrate 151 corresponding to the area of the substrate section 11 can be less than the thickness of the substrate 151 corresponding to the area of the front plug section 14, in which case the porosity of the substrate section 11 is greater than the porosity of the front plug section 14.

[0174] In some embodiments, at least part of the front plug section 14 is loaded with a load that can generate aerosol or aroma, or the load of the load of the front plug section 14 is less than or equal to the load of the load of the substrate section 11, or the density of the front plug section 14 is less than or equal to the density of the substrate section 11.

[0175] For example, the load can include at least one of tobacco powder, non-tobacco plant powder, flavoring, essence, nicotine, in addition to the aerosol generating agent.

[0176] By loading at least part of the front plug section 14 with a load that can generate aerosol or aroma, the aerosol of the substrate section 11 can be supplemented, and the consistency of the taste and smoke performance of each puff can be improved.

[0177] That is, the front plug section 14 can be partially loaded with a load, for example, the area close to the substrate section 11 is loaded with a load, or the front plug section 14 can be entirely loaded with a load.

[0178] The load of the front plug section 14 is less than the load of the substrate section 11, that is, the aerosol is mainly generated by the substrate section 11, and the aerosol generated by the front plug section 14 is supplemented.

[0179] In some embodiments, referring to FIG. 8, the airflow passage 152 penetrates the front plug section 14 and the substrate section 11.

[0180] Due to the characteristics of the plant containing a plurality of naturally straight-through holes arranged in parallel, the internal part of the substrate 151 prepared by the plant has a plurality of straight-through airflow passages 152, so that the airflow passage 152 penetrates the integrally formed front plug section 14 and the substrate section 11.

[0181] Since the airflow passage 152 penetrates through the front plug segment 14 and the substrate segment 11, that is, the same airflow passage 152 can be formed in the interiors of the front plug segment 14 and the substrate segment 11, it is beneficial for the external airflow to pass through the front plug segment 14 to enter the substrate segment 11 and carry the aerosol generated by the substrate segment 11 to the proximal-lip end.

[0182] In some embodiments, referring to FIG. 9, the at least one first functional segment includes a temperature-reducing segment 13, which is located at the proximal-lip end of the substrate segment 11, and the temperature-reducing segment 13 and the substrate segment 11 are in an integrated structure.

[0183] In this embodiment, the aerosol generating article 10 is composed of the combined unit 15 (including the temperature-reducing segment 13 and the substrate segment 11), the formed paper tube, the filter segment 12 (the second functional segment), the front plug segment 14 (the second functional segment), and the tipping paper.

[0184] The temperature-reducing segment 13 can play a role in reducing the temperature of the flowing aerosol, improving the "burning mouth" phenomenon when the user smokes the aerosol.

[0185] For example, the density of the temperature-reducing segment 13 ranges from 0.04 g / cm 3 to 0.25 g / cm 3 . If the density is too low, the processing strength is weak, and if the density is too high, excessive temperature reduction occurs, resulting in more condensate affecting the passage of the aerosol.

[0186] For example, the temperature-reducing segment 13 is a hollow tube, the hollow tube has a hollow passage 131 inside, and the density of the tube wall of the hollow tube ranges from 0.08 g / cm 3 to 0.25 g / cm 3 .

[0187] Since the plant contains a plurality of naturally straight-through holes arranged in parallel, the temperature-reducing segment 13 using the plant as the substrate 151 has relatively more naturally straight-through holes inside, which can increase the surface area of the temperature-reducing segment 13, thereby improving the temperature-reducing effect on the aerosol.

[0188] In addition, since the temperature-reducing segment 13 is located close to the substrate segment 11, it can improve the situation that the temperature of the substrate segment 11 is transferred to the temperature-reducing segment 13 and then deformed and fused, and can improve the situation that the released odor affects the draw resistance and blocks the airflow passage 152 due to the collapse of the airflow passage 152.

[0189] The method for preparing the aerosol generating article 10 is to roll the prepared combined unit 15 (including the temperature reduction section 13 and the substrate section 11) and the front plug section 14 and the filter section 12 by the tipping paper. The aerosol generating article 10 can be prepared by first preparing a cylindrical substrate 151, then adsorbing the loading liquid to form the combined unit 15, and then placing the combined unit 15 into the forming paper tube. Alternatively, the aerosol generating article 10 can be prepared by first adsorbing the loading liquid to the sheet-shaped or thin strip-shaped substrate 151, then stabilizing the substrate 151, and then rolling the substrate 151 into a cylindrical shape and placing the substrate 151 into the forming paper tube. The position of the adsorbed loading liquid can be a separate substrate section 11, the temperature reduction section 13 integrated with the substrate section 11, the loading amount of the substrate section 11 being greater than the loading amount of the temperature reduction section 13, or the temperature reduction section 13 being at least partially loaded and partially unloaded. The front plug section 14 and the filter section 12 can be made of acetate fiber, polylactic acid, polyester, or other materials. Alternatively, the substrate 151 (for example, foamed bamboo) can be used.

[0190] In some embodiments, the substrate 151 has a cylindrical structure, the total length of the temperature reduction section 13 and the substrate section 11 is in the range of 30 mm to 70 mm, and the equivalent diameter of the combined unit 15 is in the range of 4 mm to 15 mm.

[0191] The total length of the temperature reduction section 13 and the substrate section 11 can be any one of 30 mm, 35 mm, 38 mm, 40 mm, 42 mm, 43 mm, 45 mm, 48 mm, 50 mm, 51 mm, 53 mm, 55 mm, 57 mm, 60 mm, 62 mm, 63 mm, 65 mm, 68 mm, 70 mm, or any point value between any two of the above values.

[0192] By setting the total length of the temperature reduction section 13 and the substrate section 11 in the range of 30 mm to 70 mm, the length of the substrate section 11 can be appropriate, so that the aerosol generating article 10 can generate sufficient aerosol, and the length of the temperature reduction section 13 can be appropriate, so that the temperature reduction section 13 has sufficient temperature reduction effect and the resistance of the temperature reduction section 13 is appropriate.

[0193] The equivalent diameter of the combined unit 15 can be any one of 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, or any point value between any two of the above values.

[0194] Here, the equivalent diameter of one substrate 151 can be in the range of 4 mm to 15 mm. Alternatively, the equivalent diameter of the combined unit 15 formed by gathering a plurality of substrates 151 can be in the range of 4 mm to 15 mm.

[0195] In some embodiments, the substrate 151 is in a sheet structure, and the combination unit 15 is formed by winding at least one substrate 151. The length of the substrate 151 is in a range of 30 mm to 70 mm, the width of the substrate 151 is in a range of 10 mm to 50 mm, the thickness of the substrate 151 corresponding to the area of the substrate section 11 is in a range of 2 mm to 7.5 mm, or the thickness of the substrate 151 corresponding to the area of the cooling section 13 is in a range of 1 mm to 4 mm.

[0196] The substrate 151 can be in a sheet structure with a length in a range of 30 mm to 70 mm and a width in a range of 10 mm to 50 mm, and the combination unit 15 is formed by winding at least one substrate 151. That is, the length of the combination unit 15 is in a range of 30 mm to 70 mm.

[0197] Here, the length of the substrate 151 can be greater than the width of the substrate 151, or the length of the substrate 151 can be less than the width of the substrate 151.

[0198] By adjusting the width, thickness, and the like of the sheet substrate 151 in combination with compression rolling, the cooling section 13 and the substrate section 11 can be formed into cylindrical structures with different densities or cylindrical tube structures with a single central through hole.

[0199] After rolling the sheet substrate 151, the sheet substrate 151 can be placed in a forming paper tube or can be connected by adhesion.

[0200] Here, the thickness of the substrate 151 corresponding to the area of the substrate section 11 can be greater than the thickness of the substrate 151 corresponding to the area of the cooling section 13, in which case the porosity of the substrate section 11 is less than the porosity of the cooling section 13, or the thickness of the substrate 151 corresponding to the area of the substrate section 11 can be less than the thickness of the substrate 151 corresponding to the area of the cooling section 13, in which case the porosity of the substrate section 11 is greater than the porosity of the cooling section 13.

[0201] In some embodiments, at least part of the cooling section 13 is loaded with a load that can generate aerosol or aroma, or the loading amount of the load of the cooling section 13 is less than the loading amount of the load of the substrate section 11, or the density of the cooling section 13 is less than the density of the substrate section 11.

[0202] For example, the load can include at least one of tobacco powder, tobacco pulp, flavor, essence, nicotine, in addition to loading the aerosol generating agent.

[0203] By loading at least part of the cooling section 13 with a load that can generate aerosol or aroma, the aroma quality can be increased, and the consistency of the amount of smoke per puff can be improved.

[0204] That is, the cooling segment 13 can be partially loaded with the load, for example, the area close to the substrate segment 11 is loaded with the load, and the cooling segment 13 can also be entirely loaded with the load.

[0205] The load of the load of the cooling segment 13 is less than the load of the load of the substrate segment 11, that is, the aerosol is mainly generated by the substrate segment 11, and the cooling segment 13 can increase the aroma quality.

[0206] In some embodiments, referring to FIG. 9, the airflow passage 152 penetrates through the cooling segment 13 and the substrate segment 11.

[0207] Due to the characteristics of the plant containing a plurality of parallel natural through holes, the inside of the substrate 151 prepared by the plant has a plurality of through airflow passages 152, so that the airflow passage 152 can penetrate the integrally formed cooling segment 13 and the substrate segment 11.

[0208] Since the airflow passage 152 penetrates through the cooling segment 13 and the substrate segment 11, that is, the same airflow passage 152 can be formed in the inside of the cooling segment 13 and the substrate segment 11, it is beneficial for the airflow generated by the substrate segment 11 to directly pass through the airflow passage 152 into the cooling segment 13, and the aerosol is cooled when flowing through the airflow passage 152 in the cooling segment 13. That is, the aerosol directly flows in the airflow passage 152 without passing through the wall in the cooling segment 13, which is beneficial to reduce the loss of the aerosol during the flow process and improve the smoking experience.

[0209] In some embodiments, referring to FIG. 11, the at least one first functional segment includes the front plug segment 14 and the cooling segment 13, the front plug segment 14 is located at the distal lip end of the substrate segment 11, and the cooling segment 13 is located at the proximal lip end of the substrate segment 11. The front plug segment 14, the substrate segment 11 and the cooling segment 13 are an integral structure.

[0210] That is, when manufacturing the aerosol generating article 10, the front plug segment 14, the substrate segment 11 and the cooling segment 13 can be integrally formed, without separately producing and manufacturing the front plug segment 14, the substrate segment 11 and the cooling segment 13, and without multi-element composite twisting of the front plug segment 14, the substrate segment 11 and the cooling segment 13. It can simplify the production process, improve production efficiency, and reduce manufacturing cost.

[0211] The method for preparing the aerosol generating article 10 is to roll the prepared combined unit 15 (including the front plug segment 14, the temperature reduction segment 13, and the substrate segment 11) and the filter segment 12 by tipping paper. The aerosol generating article 10 can be a cylindrical substrate 151 first, and then the combined unit 15 is formed by adsorbing the loading liquid, and then placed in a forming paper tube after stabilization. Or the substrate 151 is in a sheet or thin strip shape, and then the combined unit 15 is formed by adsorbing the loading liquid, and then placed in a forming paper tube after stabilization. The site for adsorbing the loading liquid can be a separate substrate segment 11, the front plug segment 14 and the substrate segment 11 are integrated, the temperature reduction segment 13 and the substrate segment 11 are integrated, or the front plug segment 14, the temperature reduction segment 13, and the substrate segment 11 are integrated, and the filter segment 12 is made of acetate fiber, polylactic acid, polyester, or the like. The substrate 151 (for example, foamed bamboo) can also be used.

[0212] In some embodiments, the substrate 151 is in a columnar structure, the total length of the front plug segment 14, the temperature reduction segment 13, and the substrate segment 11 is in a range of 35 mm to 75 mm, and the equivalent diameter of the combined unit 15 is in a range of 4 mm to 15 mm.

[0213] The total length of the front plug segment 14, the temperature reduction segment 13, and the substrate segment 11 can be a point value of any one of 35 mm, 38 mm, 40 mm, 42 mm, 43 mm, 45 mm, 48 mm, 50 mm, 51 mm, 53 mm, 55 mm, 57 mm, 60 mm, 62 mm, 63 mm, 65 mm, 68 mm, 70 mm, 73 mm, 75 mm, or a point value between any two of them.

[0214] By setting the total length of the front plug segment 14, the temperature reduction segment 13, and the substrate segment 11 in a range of 35 mm to 75 mm, the length of the substrate segment 11 can be appropriate, so that the aerosol generating article 10 can generate sufficient aerosol, and the length of the front plug segment 14 can be appropriate, so that the front plug segment 14 can effectively adsorb the backflow aerosol after smoking is finished, improve the condensation of the aerosol in the aerosol generating device 20, and make the resistance of the front plug segment 14 appropriate. The length of the temperature reduction segment 13 can also be appropriate, so that the temperature reduction segment 13 has sufficient temperature reduction effect, and the resistance of the temperature reduction segment 13 can be appropriate.

[0215] The equivalent diameter of the combined unit 15 can be a point value of any one of 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, or a point value between any two of them.

[0216] Here, the equivalent diameter of one substrate 151 can be in a range of 4 mm to 15 mm. Or the equivalent diameter of the combined unit 15 formed by gathering a plurality of substrates 151 can be in a range of 4 mm to 15 mm.

[0217] Exemplarily, the plurality of substrates 151 can be compressed and placed into the forming paper tube, or can be two or more strips spliced into a cylinder or cuboid, and the spliced strips are bundled and compressed and placed into the forming paper tube.

[0218] In some embodiments, the substrate 151 is in a sheet structure, and the combination unit 15 is formed by winding at least one substrate 151. The length of the substrate 151 is in a range of 35 mm to 75 mm, the width of the substrate 151 is in a range of 10 mm to 50 mm, the thickness of the substrate 151 corresponding to the area of the substrate segment 11 is in a range of 2 mm to 7.5 mm, or the thickness of the substrate 151 corresponding to the area of the front plug segment 14 is in a range of 2.5 mm to 7.5 mm, or the thickness of the substrate 151 corresponding to the area of the cooling segment 13 is in a range of 1 mm to 4 mm.

[0219] The substrate 151 can be in a sheet structure with a length in a range of 35 mm to 75 mm and a width in a range of 10 mm to 50 mm, and the combination unit 15 is formed by winding at least one such substrate 151. That is, the length of the combination unit 15 is in a range of 35 mm to 75 mm.

[0220] Here, the length of the substrate 151 can be greater than the width of the substrate 151, or the length of the substrate 151 can be less than the width of the substrate 151.

[0221] By adjusting the width, thickness, and other parameters of the sheet substrate 151 in combination with compression and rolling, the front plug segment 14 and the substrate segment 11 can be obtained in a cylindrical structure with different densities or a cylindrical tubular structure with a single central through hole.

[0222] In some embodiments, referring to FIG. 11, the airflow channel 152 penetrates through the front plug segment 14, the substrate segment 11, and the cooling segment 13, or the densities of the front plug segment 14 and the cooling segment 13 are both less than the density of the substrate segment 11, or the load of at least one of the front plug segment 14 and the cooling segment 13 is less than the load of the substrate segment 11.

[0223] Due to the characteristic that the plant contains a plurality of parallelly arranged natural through holes, the interior of the substrate 151 prepared from the plant has a plurality of straight airflow channels 152, so that the airflow channel 152 can penetrate through the integrally formed front plug segment 14, the substrate segment 11, and the cooling segment 13.

[0224] Since the airflow passage 152 penetrates through the front plug section 14, the substrate section 11 and the cooling section 13, that is, the same airflow passage 152 can be formed inside the front plug section 14, the substrate section 11 and the cooling section 13 at the same time, the external airflow directly enters the substrate section 11 through the airflow passage 152 of the front plug section 14, and carries the aerosol generated by the substrate section 11 directly into the cooling section 13 through the airflow passage 152, and the aerosol is cooled when flowing through the airflow passage 152 in the cooling section 13. That is, the aerosol directly flows in the airflow passage 152 without passing through the wall body in the front plug section 14, the substrate section 11 and the cooling section 13, which is beneficial to reduce the loss of the aerosol in the flowing process and improve the smoking experience.

[0225] In some embodiments, referring to FIG. 10, the at least one first functional section includes the cooling section 13 located at the lip-close end of the substrate section 11 and the filter section 12 located at the lip-close end of the cooling section 13, and the substrate section 11, the cooling section 13 and the filter section 12 are in an integrated structure.

[0226] That is, when manufacturing the aerosol generating article 10, the substrate section 11, the cooling section 13 and the filter section 12 can be integrally formed, without separately manufacturing the substrate section 11, the cooling section 13 and the filter section 12, and without multi-element composite twisting of the substrate section 11, the cooling section 13 and the filter section 12, which can simplify the production process, improve the production efficiency and reduce the manufacturing cost.

[0227] The preparation method of the aerosol generating article 10 is to roll the prepared combination unit 15 (including the substrate section 11, the cooling section 13 and the filter section 12) and the front plug section 14 by tipping paper. The aerosol generating article 10 can be a cylindrical base 151 first, then adsorbing the load liquid to form the combination unit 15, and then putting it into the forming paper tube after stabilization, or the base 151 (such as foamed bamboo) in a sheet or thin strip shape first adsorbs the load liquid, and then is rolled into a cylindrical shape and put into a forming paper tube after stabilization. The site of adsorbing the load liquid can be a separate substrate section 11, the cooling section 13 and the substrate section 11 in one body, and the front plug section 14 is made of acetate fiber, polylactic acid, polyester and the like.

[0228] In some embodiments, the base 151 is in a columnar structure, the total length of the substrate section 11, the cooling section 13 and the filter section 12 is in the range of 35 mm to 75 mm, and the equivalent diameter of the combination unit 15 is in the range of 4 mm to 15 mm.

[0229] The total length of the substrate section 11, the cooling section 13, and the filter section 12 can be a point value of any one of 35 mm, 38 mm, 40 mm, 42 mm, 43 mm, 45 mm, 48 mm, 50 mm, 51 mm, 53 mm, 55 mm, 57 mm, 60 mm, 62 mm, 63 mm, 65 mm, 68 mm, 70 mm, 73 mm, 75 mm, or a point value between any two of them.

[0230] By setting the total length of the substrate section 11, the cooling section 13, and the filter section 12 to be in the range of 35 mm to 75 mm, the length of the substrate section 11 can be appropriately made so that the aerosol generating article 10 can generate sufficient aerosol, the length of the cooling section 13 can be appropriately made so that the cooling section 13 has sufficient cooling effect and the resistance to draw of the cooling section 13 is appropriate, and the length of the filter section 12 can be appropriately made so that the filter section 12 has sufficient filtering effect and the resistance to draw of the filter section 12 is appropriate.

[0231] The equivalent diameter of the combined unit 15 can be a point value of any one of 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, or a point value between any two of them.

[0232] Here, the equivalent diameter of one base body 151 can be in the range of 4 mm to 15 mm. Alternatively, the equivalent diameter of the combined unit 15 after the plurality of base bodies 151 are gathered can be in the range of 4 mm to 15 mm.

[0233] For example, the plurality of base bodies 151 can be compressed and put into a forming paper tube, can be two or more strips spliced into a cylinder or a cuboid, and can be gathered and compressed to be put into a forming paper tube.

[0234] In some embodiments, referring to FIG. 3, the base body 151 has a sheet structure, and the combined unit 15 is formed by winding at least one base body 151. The length of the base body 151 is in the range of 35 mm to 75 mm, the width of the base body 151 is in the range of 10 mm to 50 mm, the thickness of the base body 151 corresponding to the area of the substrate section 11 is in the range of 2 mm to 7.5 mm, or the thickness of the base body 151 corresponding to the area of the filter section 12 is in the range of 2.5 mm to 7.5 mm, or the thickness of the base body 151 corresponding to the area of the cooling section 13 is in the range of 1 mm to 4 mm.

[0235] The base body 151 can have a sheet structure with a length in the range of 35 mm to 75 mm and a width in the range of 10 mm to 50 mm, and the combined unit 15 is formed by winding at least one base body 151. That is, the length of the combined unit 15 is in the range of 35 mm to 75 mm.

[0236] Here, the length of the substrate 151 can be greater than the width of the substrate 151, or the length of the substrate 151 can be less than the width of the substrate 151.

[0237] The cylindrical structure with different densities or the cylindrical tube structure with a single central through hole can be obtained by adjusting the width, thickness and other parameters of the sheet-shaped substrate 151 and combining compression rolling.

[0238] In some embodiments, referring to FIG. 10, the airflow channel 152 penetrates the substrate section 11, the cooling section 13 and the filter section 12, or the densities of the filter section 12 and the cooling section 13 are both less than the density of the substrate section 11, or the load of the substrate section 11 is greater than the loads of the filter section 12 and the cooling section 13.

[0239] Due to the characteristic that the plant contains multiple parallel natural through holes, the internal part of the substrate 151 prepared from the plant has multiple straight airflow channels 152, so that the airflow channel 152 penetrates the integrally formed substrate section 11, cooling section 13 and filter section 12.

[0240] Since the airflow channel 152 penetrates the substrate section 11, the cooling section 13 and the filter section 12, that is, the same airflow channel 152 can be formed in the internal part of the substrate section 11, the cooling section 13 and the filter section 12 at the same time, the external airflow directly enters the substrate section 11 through the airflow channel 152, and the aerosol generated by the substrate section 11 directly enters the cooling section 13 through the airflow channel 152, and the aerosol is cooled when flowing through the airflow channel 152 in the cooling section 13, and then directly enters the filter section 12 through the airflow channel 152. That is, the aerosol directly flows in the airflow channel 152, without passing through the wall in the front plug section 14, the substrate section 11, the cooling section 13 and the filter section 12, which is beneficial to reduce the loss of the aerosol in the flowing process and improve the smoking experience.

[0241] In some embodiments, referring to FIGS. 4 to 7, the at least one first functional section includes the front plug section 14, the cooling section 13 and the filter section 12, the front plug section 14 is located at the distal lip end of the substrate section 11, the cooling section 13 is located at the proximal lip end of the substrate section 11, and the filter section 12 is located at the proximal lip end of the cooling section 13. The front plug section 14, the substrate section 11, the cooling section 13 and the filter section 12 are an integrated structure.

[0242] That is, the front plug section 14, the substrate section 11, the temperature reduction section 13 and the filter section 12 can be integrally formed when the aerosol generating article 10 is manufactured, without separately manufacturing the front plug section 14, the substrate section 11, the temperature reduction section 13 and the filter section 12, and without multi-complexly rolling the front plug section 14, the substrate section 11, the temperature reduction section 13 and the filter section 12, so that the production process can be simplified, the production efficiency can be improved, and the manufacturing cost can be reduced.

[0243] The preparation method of the aerosol generating article 10 is to first prepare the combined unit 15 (including the front plug section 14, the substrate section 11, the temperature reduction section 13 and the filter section 12), that is, to first prepare the cylindrical substrate 151, and then to adsorb the load liquid to form the combined unit 15, and to place the combined unit 15 into the forming paper tube after stabilization. Alternatively, the substrate 151 can be in a sheet or thin strip shape, the load liquid is adsorbed after stabilization, and then the substrate 151 is rolled into a cylindrical shape and placed into the forming paper tube. The position of the adsorbed load liquid can be the substrate section 11 alone, the temperature reduction section 13 and the substrate section 11 in one piece, the substrate section 11 and the front plug section 14 in one piece, or the temperature reduction section 13, the front plug section 14 and the substrate section 11 in one piece.

[0244] In some embodiments, the substrate 151 is in a columnar structure, the total length of the front plug section 14, the substrate section 11, the temperature reduction section 13 and the filter section 12 is in the range of 40 mm to 80 mm, and the equivalent diameter of the combined unit 15 is in the range of 4 mm to 15 mm.

[0245] The total length of the front plug section 14, the substrate section 11, the temperature reduction section 13 and the filter section 12 can be any one of 40 mm, 42 mm, 43 mm, 45 mm, 48 mm, 50 mm, 51 mm, 53 mm, 55 mm, 57 mm, 60 mm, 62 mm, 63 mm, 65 mm, 68 mm, 70 mm, 73 mm, 75 mm, 78 mm, 80 mm, or any point value between any two of the above values.

[0246] That is, the temperature reduction section 13 is arranged between the substrate section 11 and the filter section 12.

[0247] The aerosol generated by heating the aerosol generating article 10 can flow through the filter section 12, and the filter section 12 can filter out large particle components and undesirable impurities in the aerosol. That is, the aerosol generated by heating the aerosol generating article 10 is filtered by the filter section 12 and then inhaled by a user.

[0248] The aerosol generated by heating the aerosol generating article 10 can first flow through the temperature reduction section 13 to be reduced in temperature, and then flow through the filter section 12 after being reduced in temperature, and the filter section 12 can filter out large particle components and undesirable impurities in the aerosol. That is, the aerosol generated by heating the aerosol generating article 10 is sequentially reduced in temperature by the temperature reduction section 13 and filtered by the filter section 12 and then inhaled by a user.

[0249] By setting the total length of the front plug section 14, the substrate section 11, the temperature reduction section 13, and the filter section 12 to be in the range of 40 mm to 80 mm, the length of the substrate section 11 can be appropriately made so that the aerosol generating article 10 can generate sufficient aerosol while the length of the front plug section 14 can be appropriately made to effectively adsorb backflow aerosol after the end of puffing, improve condensation of the aerosol in the aerosol generating device 20, and make the suction resistance of the front plug section 14 appropriate, the length of the temperature reduction section 13 can be appropriately made so that the temperature reduction section 13 has sufficient temperature reduction effect and the suction resistance of the temperature reduction section 13 is appropriate, and the length of the filter section 12 can be appropriately made so that the filter section 12 has sufficient filtering effect and the suction resistance of the filter section 12 is appropriate.

[0250] The equivalent diameter of the combined unit 15 can be a point value of any one of 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm or a point value between any two of them.

[0251] Here, the equivalent diameter of one base body 151 can be in the range of 4 mm to 15 mm. Alternatively, the equivalent diameter of the combined unit 15 after the plurality of base bodies 151 are gathered can be in the range of 4 mm to 15 mm.

[0252] For example, the plurality of base bodies 151 can be compressed and put into a forming paper tube, can be two or more strips spliced into a cylinder or a cuboid, and can be gathered and compressed and put into a forming paper tube.

[0253] In some embodiments, referring to FIG. 4, the base body 151 has a sheet structure, and the combined unit 15 is formed by winding at least one base body 151. The length of the base body 151 is in the range of 40 mm to 80 mm, the width of the base body 151 is in the range of 10 mm to 50 mm, the thickness of the base body 151 corresponding to the area of the substrate section 11 is in the range of 2 mm to 7.5 mm, or the thickness of the base body 151 corresponding to the area of the front plug section 14 is in the range of 2.5 mm to 7.5 mm, or the thickness of the base body 151 corresponding to the area of the temperature reduction section 13 is in the range of 1 mm to 4 mm, or the thickness of the base body 151 corresponding to the area of the filter section 12 is in the range of 2.5 mm to 7.5 mm.

[0254] The base body 151 can have a sheet structure with a length in the range of 40 mm to 80 mm and a width in the range of 10 mm to 50 mm, and the combined unit 15 is formed by winding at least one base body 151. That is, the length of the combined unit 15 is in the range of 40 mm to 80 mm.

[0255] Here, the length of the base body 151 can be greater than the width of the base body 151, or the length of the base body 151 can be less than the width of the base body 151.

[0256] The front plug section 14 and the substrate section 11 can have different densities by adjusting the width, thickness, and other parameters of the sheet-shaped base body 151 and by compression rolling.

[0257] In some embodiments, referring to FIGS. 4-7, the airflow passage 152 extends through the front plug section 14, the substrate section 11, the temperature reduction section 13, and the filter section 12, or the density of at least one of the filter section 12, the front plug section 14, and the temperature reduction section 13 is less than or equal to the density of the substrate section 11, or the loading of at least one of the filter section 12, the front plug section 14, and the temperature reduction section 13 is less than or equal to the loading of the substrate section 11.

[0258] Because the plant contains a plurality of naturally straight-through holes arranged in parallel, the internal part of the base body 151 prepared from the plant has a plurality of straight-through airflow passages 152, so that the airflow passage 152 extends through the integrally formed front plug section 14, substrate section 11, temperature reduction section 13, and filter section 12.

[0259] Because the airflow passage 152 extends through the front plug section 14, the substrate section 11, the temperature reduction section 13, and the filter section 12, that is, the same airflow passage 152 can be formed in the internal part of the front plug section 14, the substrate section 11, the temperature reduction section 13, and the filter section 12, the external airflow directly enters the substrate section 11 through the airflow passage 152 of the front plug section 14 and carries the aerosol generated by the substrate section 11 directly into the temperature reduction section 13 through the airflow passage 152, and the aerosol is cooled when flowing through the airflow passage 152 in the temperature reduction section 13 and then directly enters the filter section 12 through the airflow passage 152. That is, the aerosol directly flows in the airflow passage 152 without passing through the wall of the front plug section 14, the substrate section 11, the temperature reduction section 13, and the filter section 12, which is beneficial to reduce the loss of the aerosol during the flow and improve the smoking experience.

[0260] In some embodiments, the base body 151 includes cellulose, and the content of the cellulose in the base body 151 is greater than or equal to 50%.

[0261] That is, the ratio of the mass of the cellulose in the base body 151 to the total mass of the base body 151 is greater than or equal to 50%.

[0262] In some embodiments, referring to FIGS. 8-11, the aerosol generating article 10 includes a second functional section arranged along the first direction with the substrate section 11, and the second functional section and the substrate section 11 are in a split structure.

[0263] Exemplarily, in some embodiments, the second functional segment may be configured to be formed from at least one substrate 151 extending along a first direction, the substrate 151 being configured to be formed from a plant containing a plurality of parallel-arranged natural through-holes, the interior of the substrate 151 having a plurality of airflow channels 152, the natural through-holes forming the airflow channels 152, and at least a portion of the substrate 151 being loaded with a load that can generate aerosols or aromas.

[0264] In other words, the second functional segment is prepared from a plant containing multiple parallel-arranged natural through-holes.

[0265] In other embodiments, the second functional segment may be constructed from materials such as cellulose acetate, polylactic acid, and polyester.

[0266] For example, the second functional section may include at least one of the pre-plug section 14, the cooling section 13, or the filtering section 12.

[0267] It should be noted that, in some embodiments, the first functional segment integrally formed with the matrix segment does not carry any load; in some embodiments, the first functional segment carries the same load as the matrix segment; in some embodiments, the first functional segment carries a different load than the matrix segment; in some embodiments, the first functional segment itself does not carry any load, but during contact with the matrix segment, it will adsorb a certain amount of load from the matrix segment; in some embodiments, the first functional segment can carry all or part of the load, which can be designed according to the heating method.

[0268] In the description of this disclosure, references to terms such as "in one embodiment," "in some embodiments," "in other embodiments," "in yet another embodiment," or "exemplary," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the embodiments of this disclosure. In this disclosure, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, those skilled in the art can combine the different embodiments or examples described in this disclosure and the features of the different embodiments or examples without contradiction.

[0269] The above description is merely a preferred embodiment of this disclosure and is not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure are included within the scope of protection of this disclosure.

Claims

An aerosol generating article, comprising: at least one combined unit, the combined unit comprising a substrate segment and at least one first functional segment, the at least one first functional segment being arranged along a first direction with the substrate segment, and the at least one first functional segment being integrated with the substrate segment, at least the substrate segment being heatable to generate aerosol. The aerosol generating article according to claim 1, wherein, the combined unit is configured to be formed from at least one base body, the base body extending along the first direction, the base body being configured to be formed from a plant material comprising a plurality of natural through-holes arranged in parallel, the base body having a plurality of airflow channels inside, the natural through-holes forming the airflow channels, at least part of the base body being loaded with a load capable of generating aerosol or aroma. The aerosol-generating article according to claim 2, wherein, the base body is in a columnar structure, and the combined unit is configured to be formed from a single base body; or the base body is in a columnar structure, and the combined unit is configured to be formed from a plurality of base bodies gathered together. The aerosol generating article according to claim 2, wherein, the base body is in a sheet structure, and the combined unit is configured to be formed from at least one base body wound or folded. The aerosol generating article according to claim 2, wherein, the at least one first functional segment comprises a front plug segment, the front plug segment being located at a distal lip end of the substrate segment, and the front plug segment being integrated with the substrate segment. The aerosol generating article according to claim 5, wherein, the base body is in a columnar structure, a total length of the front plug segment and the substrate segment is in a range of 12 mm to 50 mm, and an equivalent diameter of the combined unit is in a range of 4 mm to 15 mm. The aerosol generating article according to claim 5, wherein, the base body is in a sheet structure, and the combined unit is configured to be formed from at least one base body wound, a length of the base body is in a range of 12 mm to 50 mm, a width of the base body is in a range of 10 mm to 50 mm, and a thickness of the base body is in a range of 2 mm to 7.5 mm. The aerosol generating article according to claim 5, wherein, at least part of the front plug segment is loaded with a load capable of generating aerosol or aroma, or a load amount of the load of the front plug segment is less than or equal to a load amount of the load of the substrate segment, or a density of the front plug segment is less than or equal to a density of the substrate segment. An aerosol-generating article according to claim 5, wherein, the airflow channels pass through the front plug segment and the substrate segment. The aerosol generating article according to claim 2, wherein, the at least one first functional segment comprises a temperature lowering segment, the temperature lowering segment being located at a proximal lip end of the substrate segment, and the substrate segment being integrated with the temperature lowering segment. The aerosol generating article according to claim 10, wherein, the base body is in a columnar structure, a total length of the temperature lowering segment and the substrate segment is in a range of 30 mm to 70 mm, and an equivalent diameter of the combined unit is in a range of 4 mm to 15 mm. The aerosol generating article according to claim 10, wherein, the base body is in a sheet structure, and the combined unit is configured to be formed from at least one base body wound, The length of the substrate is in the range of 30mm to 70mm, the width of the substrate is in the range of 10mm to 50mm, the thickness of the substrate corresponding to the area of the substrate segment is in the range of 2mm to 7.5mm, or the thickness of the substrate corresponding to the area of the cooling segment is in the range of 1mm to 4mm. The aerosol generating article according to claim 10, wherein, At least part of the cooling segment is loaded with a load capable of generating aerosol or aroma, or the load of the load of the cooling segment is less than the load of the substrate segment, or the density of the cooling segment is less than the density of the substrate segment. An aerosol-generating article according to claim 10, wherein, The airflow passage passes through the cooling segment and the substrate segment. The aerosol generating article according to claim 2, wherein, The at least one first functional segment includes a front plug segment and a cooling segment, the front plug segment is located at the distal lip end of the substrate segment, the cooling segment is located at the proximal lip end of the substrate segment, and the front plug segment, the substrate segment and the cooling segment are in an integrated structure. The aerosol generating article according to claim 15, wherein, The substrate is in a columnar structure, the total length of the front plug segment, the cooling segment and the substrate segment is in the range of 35mm to 75mm, and the equivalent diameter of the combined unit is in the range of 4mm to 15mm. The aerosol generating article according to claim 15, wherein, The substrate is in a sheet structure, the combined unit is formed by winding at least one of the substrates, The length of the substrate is in the range of 35mm to 75mm, the width of the substrate is in the range of 10mm to 50mm, the thickness of the substrate corresponding to the area of the substrate segment is in the range of 2mm to 7.5mm, or the thickness of the substrate corresponding to the area of the front plug segment is in the range of 2.5mm to 7.5mm, or the thickness of the substrate corresponding to the area of the cooling segment is in the range of 1mm to 4mm. An aerosol-generating article according to claim 15, wherein, The airflow passage passes through the front plug segment, the substrate segment and the cooling segment, or the density of the front plug segment and the cooling segment is less than the density of the substrate segment, or the load of at least one of the front plug segment and the cooling segment is less than the load of the substrate segment. The aerosol generating article according to claim 2, wherein, The at least one first functional segment includes a cooling segment and a filter segment, the cooling segment is located at the proximal lip end of the substrate segment, the filter segment is located at the proximal lip end of the cooling segment, and the substrate segment, the cooling segment and the filter segment are in an integrated structure. The aerosol generating article according to claim 19, wherein, The substrate is in a columnar structure, the total length of the filter segment, the cooling segment and the substrate segment is in the range of 35mm to 75mm, and the equivalent diameter of the combined unit is in the range of 4mm to 15mm. The aerosol generating article according to claim 19, wherein, The substrate is in a sheet structure, the combined unit is formed by winding at least one of the substrates, The length of the substrate is in the range of 35mm to 75mm, the width of the substrate is in the range of 10mm to 50mm, the thickness of the substrate corresponding to the area of the substrate segment is in the range of 2mm to 7.5mm, or the thickness of the substrate corresponding to the area of the filter segment is in the range of 2.5mm to 7.5mm, or the thickness of the substrate corresponding to the area of the cooling segment is in the range of 1mm to 4mm. An aerosol-generating article according to claim 19, wherein, The airflow passage penetrates through the substrate segment, the cooling segment and the filter segment, or the density of the filter segment and the cooling segment is less than the density of the substrate segment, or the loading of the substrate segment is greater than the loading of the filter segment and the cooling segment. The aerosol generating article according to claim 2, wherein The at least one first functional segment comprises a front plug segment, a cooling segment and a filter segment, the front plug segment is located at the distal lip end of the substrate segment, the cooling segment is located at the proximal lip end of the substrate segment, the filter segment is located at the proximal lip end of the cooling segment, and the front plug segment, the substrate segment, the cooling segment and the filter segment are in an integrated structure. The aerosol generating article according to claim 23, wherein The substrate is in a columnar structure, the total length of the front plug segment, the filter segment, the cooling segment and the substrate segment is in the range of 40mm to 80mm, and the equivalent diameter of the combined unit is in the range of 4mm to 15mm. The aerosol generating article according to claim 23, wherein The substrate is in a sheet structure, the combined unit is formed by winding at least one of the substrates, The length of the substrate is in the range of 40mm to 80mm, the width of the substrate is in the range of 10mm to 50mm, the thickness of the substrate corresponding to the area of the substrate segment is in the range of 2mm to 7.5mm, the thickness of the substrate corresponding to the area of the front plug segment is in the range of 2.5mm to 7.5mm, or the thickness of the substrate corresponding to the area of the filter segment is in the range of 2.5mm to 7.5mm, or the thickness of the substrate corresponding to the area of the cooling segment is in the range of 1mm to 4mm. An aerosol-generating article according to claim 23, wherein, The airflow passage penetrates through the front plug segment, the substrate segment, the cooling segment and the filter segment, or the density of at least one of the filter segment, the front plug segment and the cooling segment is less than or equal to the density of the substrate segment, or the loading of at least one of the filter segment, the front plug segment and the cooling segment is less than or equal to the loading of the substrate segment. The aerosol-generating article according to any one of claims 1-26, wherein, The substrate segment is loaded with a loading, and the loading comprises at least one of tobacco powder, non-tobacco plant powder, aerosol generating agent, essence and flavor, mouthfeel agent, nicotine. The aerosol-generating article according to any one of claims 2-18, wherein, The substrate comprises at least one of bamboo, wood, kudzu vine, wisteria, akebia vine, grape vine, radix astragali, radix codonopsis, rush stem, iris stem, sugarcane, corn, sorghum, reed. An aerosol-generating article according to claim 28, wherein, The substrate comprises cellulose, and the content of the cellulose in the substrate is greater than or equal to 50%. The aerosol generating article according to any one of claims 2-26, wherein the porosity of the substrate is in the range of 50% to 98%; and / or, The density of the base body is in the range of 0.05 g / cm 3 to 0.3 g / cm 3 . The aerosol-generating article according to any one of claims 1-22, wherein, The aerosol-generating article comprises a second functional segment, the second functional segment is arranged along the first direction with the substrate segment, and the second functional segment is a separate structure from the substrate segment. The aerosol-generating article according to claim 31, wherein, The second functional segment is formed from plant material comprising a plurality of naturally straight through holes arranged in parallel. An aerosol-generating system comprising: An aerosol-generating device; The aerosol-generating article according to any one of claims 1-32, the aerosol-generating device comprising a heating element for heating the aerosol-generating article to generate an aerosol.

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