Aerosol generating product

Abstract

An aerosol generating product, comprising a vapor-producing section (1), a flow-disturbing section (2) and a mouthpiece section (3), which are connected in sequence, wherein an axial through cavity (21) is provided in the flow-disturbing section (2); and the mouthpiece section (3) is provided with at least one ventilation hole (4), and the ventilation hole (4) is configured to guide external air into the mouthpiece section (3). By means of introducing a combined gradient ventilation structure, the aerosol generating product takes into consideration both the cooling and transfer of active substances in an aerosol; thus, the problem of an insufficient cooling effect or excessive condensation of the aerosol caused by implementing ventilation only by means of perforation is avoided, and bad consumption experiences such as local overheating of a cigarette and condensate accumulation can also be prevented; and the temperature of the outer wall of the cigarette and the temperature of vapor are both reduced.

Description

An aerosol generating product

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on August 8, 2023, with application number 202310995584.X and invention name “A Aerosol Generating Article”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of cigarette production, and in particular to an aerosol generating product. Background Art

[0003] Heated cigarettes are a new type of tobacco product that uses heat rather than combustion to produce an inhalable aerosol containing nicotine. The mainstream heated cigarettes currently on the market are used in conjunction with electric heating devices. The heating method and maximum heating temperature vary depending on the diameter of the cigarette. For heated cigarettes with a diameter less than 7mm, peripheral heating is generally used, with a maximum heating temperature generally below 300°C. For heated cigarettes with a diameter greater than 7mm, central heating is generally used, with a maximum heating temperature generally above 300°C.

[0004] The tobacco containing atomizers in heated cigarettes produces superheated aerosols after heating. As the superheated aerosols flow or mix with air, they cool, and the compounds within them condense to form inhalable aerosols. Aerosol temperature is crucial to the puffing experience. Excessively high temperatures can cause burning in the mouth and burn the lips. Excessively low temperatures can cause premature condensation and deposition of active ingredients in the aerosols, reducing puff quality.

[0005] Currently, heated cigarettes primarily use cooling materials (such as polylactic acid (PLA) and phase change polymers) or perforated ventilation to reduce temperature. Perforated ventilation is a relatively mature method for traditional cigarettes, but for heated cigarettes, which differ in length and structure from traditional cigarettes, the ventilation method still needs to be redesigned.

[0006] Summary of the Invention

[0007] In order to solve the above-mentioned technical problems, the purpose of the present invention is to provide an aerosol-generating product; the aerosol-generating product provided in the present application introduces a combined gradient ventilation structure, which takes into account both cooling and the transmission of effective aerosol substances, avoids the problems of insufficient cooling effect or excessive condensation of aerosols caused by a single perforated ventilation form, and can prevent local overheating of cigarettes and accumulation of condensates and other adverse consumer experiences, thereby achieving a dual reduction in the temperature of the outer wall of the cigarette and the smoke.

[0008] The technical solutions provided by the present invention are as follows:

[0009] An aerosol generating product comprises a smoke generating section, a flow disturbing section and a mouthpiece section connected in sequence.

[0010] The spoiler section is provided with a cavity which penetrates along the axial direction;

[0011] The mouthpiece segment is provided with at least one ventilation hole, and the ventilation hole is used to introduce external air into the mouthpiece segment.

[0012] Preferably, the cross-sectional size and shape of the cavity perpendicular to the axial direction are constant, or the cross-sectional size and / or shape vary.

[0013] Preferably, the wall thickness of the spoiler section is 1 mm to 2 mm.

[0014] Preferably, the cigarette holder segment comprises a cigarette holder tow and a tipping paper wrapped around the outer periphery of the cigarette holder tow;

[0015] The ventilation holes penetrate through the tipping paper.

[0016] Preferably, a plugging paper is provided between the cigarette holder tow and the tipping paper, and the ventilation degree of the plugging paper is greater than 6000 CU.

[0017] Preferably, when the length of the mouthpiece segment is ≥7 mm, the distance between the ventilation hole and the oral end surface of the mouthpiece segment is ≥6 mm;

[0018] When the length of the mouthpiece section is less than 7 mm, the ventilation hole is provided at the connection between the mouthpiece section and the spoiler section.

[0019] Preferably, the mouthpiece segment is provided with a plurality of ventilation holes, and the plurality of ventilation holes are arranged in a circle around the mouthpiece segment.

[0020] Preferably, the weight of the tipping paper is ≥40g / m 2 .

[0021] Preferably, the spoiler section is provided with at least one ventilation hole.

[0022] Preferably, the area of ​​the ventilation holes is 0.01 mm 2 ~0.10mm 2 .

[0023] Preferably, a transmission section is further provided between the spoiler section and the mouthpiece section, and the transmission section comprises an inner core of the transmission section and a tipping paper wrapped around the outer side.

[0024] Preferably, the inner core of the transmission section is a porous rod made of a cooling material, or a paper hollow tube, or an acetate fiber bundle wrapped with a wrapping paper, and the ventilation degree of the wrapping paper is greater than 6000 CU.

[0025] Preferably, the porous rod or hollow tube is further wrapped with a plugging paper, the plugging paper is located inside the tipping paper, and the ventilation degree is greater than 6000 CU.

[0026] Preferably, the acetate fiber tow wrapped by the forming paper is further provided with a hollow channel along the axial direction; the thickness of the acetate fiber tow is 1-2 mm.

[0027] Preferably, when the inner core of the transmission section is a hollow paper tube, the wall thickness of the transmission section is 1 mm to 2 mm.

[0028] Preferably, the tipping paper of the transport section is provided with at least one ventilation hole;

[0029] When the inner core of the transmission section is a paper hollow tube, the hollow tube is provided with through holes at positions corresponding to the ventilation holes on the tipping paper.

[0030] Preferably, when the inner core of the transmission section is a paper hollow tube or acetate fiber tow wrapped with forming paper, the ventilation hole is located in the middle of the transmission section;

[0031] When the inner core 71 of the transmission section is a porous rod made of a cooling material, the ventilation hole is located on the side of the transmission section close to the cigarette holder section.

[0032] Preferably, the area of ​​the ventilation holes is 0.01 mm 2 ~0.10mm 2 .

[0033] Preferably, a plurality of ventilation holes are provided, and the plurality of ventilation holes are arranged in a circle around the circumference of the transmission section.

[0034] The present application provides an aerosol-generating product, comprising a smoking section, a flow-disturbing section, and a mouthpiece section, which are sequentially connected. The flow-disturbing section is provided with an axially extending cavity. The mouthpiece section is provided with at least one ventilation hole, which is used to introduce external air into the mouthpiece section. In the aerosol-generating product provided by the present application, the aerosol generated by the smoking section after being heated first enters the axially extending cavity within the flow-disturbing section, is disturbed within the cavity, and then enters the mouthpiece section. Because the mouthpiece section is provided with at least one ventilation hole, external air can enter the mouthpiece section and mix with the aerosol, thereby achieving flow disturbance and cooling effects, thereby ensuring that the temperature of the aerosol flowing out of the mouthpiece section meets consumer demand.

[0035] The aerosol generating product provided in the present application introduces a combined gradient ventilation structure, which takes into account both cooling and the transmission of effective aerosol substances, avoids the problems of insufficient cooling effect or excessive condensation of aerosols caused by a single perforated ventilation form, and prevents local overheating of cigarettes and accumulation of condensates, which are adverse consumer experiences, thereby achieving a dual reduction in the temperature of the outer wall of the cigarette and the smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0037] FIG1 is a schematic diagram of the structure of an aerosol generating article according to an embodiment of the present invention (the mouthpiece section is provided with a plug wrapping paper, and the tipping paper of the mouthpiece section has ventilation holes);

[0038] FIG2 is a schematic diagram of the structure of an aerosol-generating article according to an embodiment of the present invention (both the mouthpiece section and the transfer section are provided with plug wrapping paper, and both the mouthpiece section and the transfer section have venting holes in their tipping paper);

[0039] FIG3 is a schematic diagram of the structure of an aerosol-generating article according to an embodiment of the present invention (the mouthpiece section is provided with a plug-wrapped paper, the tipping paper of the mouthpiece section and the transfer section are provided with ventilation holes, and the transfer section is a hollow paper tube provided with through holes corresponding to the ventilation holes in the tipping paper);

[0040] Reference numerals: 1 - smoking section; 2 - spoiler section; 21 - cavity; 3 - mouthpiece section; 31 - mouthpiece tow; 4 - ventilation hole; 5 - forming paper; 6 - tipping paper; 7 - transmission section; 71 - inner core of transmission section. DETAILED DESCRIPTION

[0041] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.

[0042] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0043] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0044] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout the description of this application, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0045] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0046] As shown in the figure, the technical solutions provided by the embodiment of the present invention are as follows:

[0047] An aerosol generating product comprises a smoking section 1, a flow-disturbing section 2 and a mouthpiece section 3 connected in sequence.

[0048] The spoiler section 2 is provided with a cavity 21 which penetrates along the axial direction;

[0049] The mouthpiece segment 3 is provided with at least one ventilation hole 4 , and the ventilation hole 4 is used to introduce external air into the mouthpiece segment 3 .

[0050] The present application provides an aerosol-generating product, comprising a smoking segment 1, a flow-disturbing segment 2, and a mouthpiece segment 3, which are connected in sequence. The flow-disturbing segment 2 is provided with an axially extending cavity 21. The mouthpiece segment 3 is provided with at least one ventilation hole 4, which is used to introduce external air into the mouthpiece segment 3. In the aerosol-generating product provided by the present application, the aerosol generated by the smoking segment 1 upon heating first enters the axially extending cavity 21 within the flow-disturbing segment 2, is disturbed within the cavity 21, and then enters the mouthpiece segment 3. Because the mouthpiece segment 3 is provided with at least one ventilation hole 4, external air can enter the mouthpiece segment 3 and mix with the aerosol, thereby causing flow disturbance and cooling, thereby ensuring that the temperature of the aerosol flowing out of the mouthpiece segment 3 meets consumer demand.

[0051] The aerosol generating product provided in the present application forms a combined ventilation structure in the airflow path through the combination of the cavity 21 provided in the turbulent section 2 and the ventilation holes 4, which takes into account both cooling and the transmission of effective aerosol substances, avoids the problems of insufficient cooling effect or excessive condensation of aerosol, and prevents local overheating of cigarettes and accumulation of condensates, which are bad consumer experiences.

[0052] In the present application, the axially penetrating cavity 21 is provided in the spoiler section 2, which means that the cavity 21 penetrates the spoiler section 2 in the axial direction, but the center line of the cavity 21 may or may not coincide with the center line of the spoiler section 21.

[0053] Preferably, the cross-sectional size and shape of the cavity 21 perpendicular to the axial direction are constant, or the cross-sectional size and / or shape vary.

[0054] The cross-sectional size and shape of cavity 21 perpendicular to the axial direction can be constant or variable. As smoke flows within cavity 21 along the axial direction of the turbulent section, changes in the cross-sectional shape or area of ​​cavity 21 perpendicular to the axial direction affect the aerosol flow, compressing, expanding, or altering the aerosol flow space. This results in heated aerosol aggregation and turbulence, leading to initial nucleation, cooling, and atomization.

[0055] It is preferred to adopt a solution of changing the cross-sectional size and / or shape, which can further enhance the turbulent flow effect and strengthen turbulent heat transfer.

[0056] When employing a scheme that varies the size and / or shape of the cross section, the cross section may be varied in size only, or in shape while maintaining a constant size (area); or both. The shape variation may be from circular to elliptical, square, or any other shape.

[0057] The cross-sectional shape can be circular, square or any other shape. When a cavity 21 with a constant cross-sectional size and shape is used, it can be set to be circular, and the spoiler section 2 is an O-shaped hollow structure.

[0058] Preferably, the wall thickness of the spoiler section 2 is 1 mm to 2 mm.

[0059] The wall thickness of the flow-disturbing section 2 is preferably ≥1mm, that is, the distance between the inner wall forming the cavity 21 and the outer wall of the flow-disturbing section 2 is ≥1mm. Since the downstream of the flow-disturbing section 2 is connected to the mouthpiece section 3 or further, the transmission section 7, and since the wall thickness of the flow-disturbing section is 1mm to 2mm, and the ventilation area of ​​the mouthpiece section 3 or the transmission section 7 is the entire cross-sectional area within the tipping paper or the plug wrap, if the outer diameter of the entire aerosol product is consistent, the ventilation area of ​​the flow-disturbing section 2 is smaller than that of the mouthpiece section 3 or the transmission section 7. Therefore, when the aerosol enters the next section from the flow-disturbing section 2, the space in which it flows further changes, thereby further disturbing the smoke.

[0060] The wall thickness of the turbulence section 2 is 1 mm to 2 mm, preferably 1.5 mm to 2 mm. The wall of a certain thickness can also prevent the movement of tobacco, thereby preventing the displacement of tobacco in the smoking section 1 from blocking the airflow path of the cigarette when contact center heating or a completely non-ordered tobacco structure is adopted.

[0061] The aerosol generating product provided in the present application has no special requirements for the heating method and heating device used, and can be heated by peripheral, central or non-contact heating methods.

[0062] Preferably, the cigarette holder segment 3 comprises a cigarette holder tow 31 and a tipping paper 6 wrapped around the outer periphery of the cigarette holder tow 31;

[0063] The ventilation holes 4 pass through the tipping paper 6 .

[0064] Preferably, a plugging paper 5 is provided between the cigarette holder tow 31 and the tipping paper 6 , and the air ventilation degree of the plugging paper 5 is greater than 6000 CU.

[0065] Preferably, the mouthpiece segment 3 includes a mouthpiece tow 31, a tipping paper 6 wrapped around the outer periphery of the mouthpiece tow 31, and a ventilation hole 4 extending through the tipping paper 6. This ventilation hole 4 allows outside air to pass through the tipping paper 6, effectively cooling the smoke and lowering the temperature of the mainstream aerosol, thereby maintaining puff quality. It also reduces the temperature of the cigarette's outer wall and the mouthpiece, thereby preventing local overheating. Furthermore, the strength of the tipping paper 6 ensures the strength of the cigarette.

[0066] Preferably, a plugging paper 5 is provided between the cigarette holder tow 31 and the tipping paper 6 , and the air ventilation degree of the plugging paper 5 is greater than 6000 CU.

[0067] The cigarette segments are typically pre-produced and then assembled. To facilitate the manufacturing process, the various basic rods are first wrapped with plug wrapping paper 5 and then cut. The individual rod units are then wrapped with tipping paper 6 to form cigarettes. Alternatively, the tipping paper 6 can be used to directly wrap the inner core of each segment. Therefore, plug wrapping paper 5 is preferably placed between the mouthpiece tow 31 and the tipping paper 6. The plug wrapping paper 5 has a ventilation coefficient greater than 6000 CU. This highly permeable plug wrapping paper 5 does not obstruct air flow.

[0068] The tipping paper 6 is preferably pre-punched before use, avoiding online laser punching or other methods to prevent the internal cigarette holder tow 31 from being deformed by high temperature. The present invention adopts the above-mentioned more mature traditional tipping paper punching technology, which is conducive to reducing costs, reducing quality fluctuations caused by online processing, and improving production efficiency.

[0069] The cigarette holder tow 31 is preferably a low-density tow, preferably having a total denier of 32,000-36,000 d and a single denier of 7.3-22.

[0070] During the cigarette production process, tipping paper 6 is used to wrap the various sections of the cigarette into a complete cigarette. After wrapping, the tipping paper 6 needs to be glued in place. Typically, this is done by applying glue to the tipping paper using a glue roller. This area is referred to as the glued area. The unglued area of ​​the tipping paper 6 is referred to as the "glue-free area." To prevent the glue from sticking to the tipping paper and the wrapping paper, preventing ventilation, ventilation holes 4 are preferably located in the glue-free area of ​​the tipping paper 6. Furthermore, by controlling the size of the ventilation holes 4, ventilation holes 4 can also be located in the glued area of ​​the tipping paper 6.

[0071] Preferably, when the length of the mouthpiece segment 3 is ≥7 mm, the distance between the ventilation hole 4 and the oral end surface of the mouthpiece segment 3 is ≥6 mm;

[0072] When the length of the mouthpiece section 3 is less than 7 mm, the ventilation hole 4 is provided at the connection between the mouthpiece section 3 and the spoiler section 2 .

[0073] According to the length of the mouthpiece segment 3, the distance between the ventilation hole 4 and the end surface of the mouthpiece segment 3 is limited. When the length of the mouthpiece segment 3 is ≥7mm, the distance between the ventilation hole 4 and the end surface of the mouthpiece segment 3 is ≥6mm, so as to avoid blocking the ventilation hole 4 when the user holds the cigarette in his mouth. When the length of the mouthpiece segment 3 is less than 7mm, the ventilation hole 4 is provided at the connection between the mouthpiece segment 3 and the spoiler segment 2. This is the farthest distance between the ventilation hole 4 provided in the mouthpiece segment 3 and the user's mouth. Combined with the conventional setting of the length of the mouthpiece segment 3 in the tobacco field, the need of not blocking the ventilation hole 4 can also be met. Alternatively, the ventilation hole 4 can be provided in conjunction with the spoiler segment 2 and / or the transmission segment 7. Then, when the ventilation hole 4 of the mouthpiece segment 3 is blocked, there are still ventilation holes in other areas to introduce air.

[0074] The applicant conducted an experiment and found that compared with the control product without any holes, the solution provided by this application only has holes in the mouthpiece section 3 (hole area 0.03mm 2 ) can reduce the flue gas temperature by 1.5℃, and only the perforation of the turbulent section 2 (hole area 0.03cm 2 ) can reduce the smoke temperature by 3.8°C. When both the mouthpiece section 3 and the spoiler section 2 are perforated, it can reduce the smoke temperature by 4.5°C.

[0075] The oral end face refers to the end face of the mouthpiece segment 3 that extends into the user's oral cavity (i.e., the end face away from the end of the smoking segment 1).

[0076] Preferably, the mouthpiece segment 3 is provided with a plurality of ventilation holes 4 , and the plurality of ventilation holes 4 are circumferentially arranged in a circle around the mouthpiece segment 3 .

[0077] Preferably, the mouthpiece segment 3 is provided with a plurality of ventilation holes 4, which are arranged in a circle around the mouthpiece segment 3 to introduce external air from all directions.

[0078] Preferably, the weight of the tipping paper 6 is ≥40g / m 2 .

[0079] The preferred weight of the tipping paper 6 is ≥40g / m 2 , thereby avoiding wrinkles in the tipping paper or a decrease in the hardness of the cigarette after punching.

[0080] Preferably, the spoiler section 2 is provided with at least one ventilation hole 4 .

[0081] Preferably, the area of ​​the ventilation hole 4 is 0.01mm 2 ~0.10mm 2 .

[0082] In addition to setting ventilation holes 4 in the mouthpiece section 3, at least one ventilation hole 4 can also be set in the spoiler section 2. When smoking, ventilation can be achieved in conjunction with the ventilation holes 4 in the mouthpiece section 3, and the ventilation capacity can be maintained when the ventilation holes 4 in the mouthpiece section 3 are blocked.

[0083] The ventilation holes 4 of both the mouthpiece section and the spoiler section 2 preferably have an area of ​​0.01 mm. 2 ~0.10mm 2 More preferably, the area is 0.03 mm 2 ~0.04mm 2 .

[0084] Preferably, a transmission section 7 is further provided between the spoiler section 2 and the mouthpiece section 3 , and the transmission section 7 comprises a transmission section inner core 71 and a tipping paper 6 wrapped on the outside.

[0085] The aerosol generating product provided in the present application can still achieve acceptable mainstream aerosol and cigarette outer wall temperatures through the ventilation holes 4 provided in the mouthpiece section 3 and the natural cooling of the entire cigarette.

[0086] More preferably, a transmission section 7 is provided between the spoiler section 2 and the mouthpiece section 3. The transmission section 7 includes a transmission section inner core 71 and an outer wrapping paper 6. When the transmission section 7 is provided, the smoke has a longer flow path and the natural cooling effect is better.

[0087] The inner diameter of the cross section of the transmission section 7 is also larger than that of the turbulent section 2, which can also enhance turbulence and improve convective heat transfer.

[0088] Preferably, the inner core 71 of the transmission section is a porous rod made of a cooling material, or a paper hollow tube, or an acetate fiber bundle wrapped with a wrapping paper 5, and the ventilation degree of the wrapping paper 5 is greater than 6000 CU.

[0089] It is more preferred that the transmission section 7 also has a cooling function. Through the combined cooling function of the transmission section 7 and the mouthpiece section 4, gradient cooling can be better achieved to maintain the smoking quality, and the temperature of the outer wall of the cigarette can be reduced, and the temperature of the mouthpiece can be reduced to prevent local overheating.

[0090] For example, the cooling function of the transmission section 7 can be achieved by the following methods: first, the inner core 71 of the transmission section is set as a porous rod made of a cooling material, and the cooling material is used to absorb heat; second, the inner core 71 of the transmission section is set as a hollow paper tube, and the space and air inside the hollow tube can cool the aerosol; third, the inner core 71 of the transmission section is set as an acetate fiber bundle wrapped in a molding paper 5, and the ventilation degree of the molding paper 5 is greater than 6000CU, and cooling is also achieved through air.

[0091] Preferably, the porous rod or hollow tube is further wrapped with a plugging paper 5 , which is located inside the tipping paper 6 and has a ventilation degree greater than 6000 CU.

[0092] The porous rod or paper hollow tube can be directly wrapped with the tipping paper 6 on the outside, or it can be wrapped with the plugging paper 5 (plugging paper with a ventilation degree greater than 6000CU) first and then with the tipping paper 6.

[0093] Preferably, the acetate tow wrapped by the shaping paper 5 is further provided with an axial hollow channel; the thickness of the acetate tow is 1mm to 2mm. Preferably, the acetate tow wrapped by the shaping paper 5 is further provided with an axial hollow channel, that is, there is no tow in the axial middle part of the acetate filter rod, and there is a circular "O" axial channel. When the hollow channel is provided, the thickness of the acetate tow is 1mm to 2mm (the thickness of the acetate tow in the radial direction with the O-shaped circle as the center). The thickness of the acetate tow is limited to 1mm to 2mm, which can prevent the movement of tobacco shreds, thereby preventing the displacement of tobacco shreds in the smoking section 1 from blocking the airflow path of the cigarette when contact center heating or a completely non-ordered tobacco structure is adopted.

[0094] Preferably, when the inner core 71 of the transmission section is a hollow tube made of paper, the wall thickness of the transmission section 7 is 1 mm to 2 mm.

[0095] Similarly, when the transmission section inner core 71 is a hollow paper tube, the wall thickness of the transmission section 7 is 1mm to 2mm, which can prevent the tobacco from moving. If the transmission section inner core 71 is a porous rod, the entire transmission section 7 is filled with porous material, and the wall thickness is no longer limited.

[0096] Preferably, the tipping paper 6 of the transport section 7 is provided with at least one ventilation hole 4;

[0097] When the inner core 71 of the transmission section is a hollow tube made of paper, the hollow tube is provided with through holes at positions corresponding to the ventilation holes 4 on the tipping paper 6 .

[0098] The tipping paper 6 of the transport section 7 preferably has at least one ventilation hole 4 to further enhance air flow and the cooling effect. If the transport section core 71 is a hollow paper tube, holes corresponding to the ventilation holes 4 in the tipping paper 6 are required to allow air to enter the tube.

[0099] When a paper hollow tube is used and the shaping paper 5 is not provided, the tipping paper 6 can be wrapped and then holes can be punched through the tipping paper 6 and the hollow tube by laser or physical methods, thereby ensuring accurate hole alignment.

[0100] Preferably, when the inner core 71 of the transmission section is a paper hollow tube or an acetate fiber tow wrapped with a molding paper 5 , the ventilation hole 4 is located in the middle of the transmission section 7 ;

[0101] When the inner core 71 of the transmission section is a porous rod made of a cooling material, the ventilation hole 4 is located on a side of the transmission section 7 close to the mouthpiece section 3 .

[0102] Depending on the material used for the transmission section inner core 71, the ventilation holes 4 are preferably located at different locations within the transmission section 7. The appropriate drilling location is preferably selected based on the material's wall thickness to facilitate laser drilling. When the transmission section inner core 71 is a hollow paper tube or acetate tow wrapped in wrapping paper 5, the ventilation holes 4 are located in the middle of the transmission section 7. When the transmission section inner core 71 is a porous rod made of a cooling material, the ventilation holes 4 are located on the side of the transmission section 7 near the mouthpiece section 3.

[0103] Preferably, the area of ​​the ventilation hole 4 is 0.01mm 2 ~0.10mm 2 .

[0104] When the transmission section 7 is provided with ventilation holes 4, the area of ​​the holes is preferably 0.01 mm 2 ~0.10mm 2 More preferably, the area is 0.03 mm 2 ~0.04mm 2 .

[0105] Preferably, a plurality of ventilation holes 4 are provided, and the plurality of ventilation holes 4 are circumferentially arranged in a circle around the transmission section 7 .

[0106] The transmission section 7 may also be provided with a plurality of ventilation holes 4 , which are arranged in a circle around the transmission section 7 .

[0107] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An aerosol generating product, characterized in that It comprises a smoking section (1), a flow-disturbing section (2) and a mouthpiece section (3) which are connected in sequence. The spoiler section (2) is provided with a cavity (21) which penetrates in the axial direction; The mouthpiece segment (3) is provided with at least one ventilation hole (4), and the ventilation hole (4) is used to introduce external air into the mouthpiece segment (3).

2. The aerosol-generating article according to claim 1, wherein The cross-sectional size and shape of the cavity (21) perpendicular to the axial direction are constant, or the cross-sectional size and / or shape vary.

3. The aerosol-generating article according to claim 2, wherein: The wall thickness of the spoiler section (2) is 1 mm to 2 mm.

4. An aerosol-generating article according to any one of claims 1 to 3, characterized in that The cigarette holder segment (3) comprises a cigarette holder filament bundle (31) and a tipping paper (6) wrapped around the outer periphery of the cigarette holder filament bundle (31); The ventilation hole (4) penetrates the tipping paper (6).

5. An aerosol generating article according to claim 4, characterized in that A shaping paper (5) is also provided between the cigarette holder thread bundle (31) and the tipping paper (6), and the ventilation degree of the shaping paper (5) is greater than 6000 CU.

6. The aerosol-generating article of claim 4, wherein: When the length of the mouthpiece section (3) is ≥7 mm, the distance between the ventilation hole (4) and the mouth-holding end surface of the mouthpiece section (3) is ≥6 mm; When the length of the mouthpiece section (3) is less than 7 mm, the ventilation hole (4) is arranged at the connection between the mouthpiece section (3) and the spoiler section (2).

7. The aerosol-generating article of claim 4, wherein: The mouthpiece segment (3) is provided with a plurality of ventilation holes (4), and the plurality of ventilation holes (4) are arranged in a circle around the mouthpiece segment (3).

8. The aerosol-generating article of claim 4, wherein: The weight of the tipping paper (6) is ≥40 g / m 2 .

9. The aerosol-generating article of claim 1, wherein: The spoiler section (2) is provided with at least one ventilation hole (4).

10. An aerosol-generating article according to claim 9, characterized in that The area of ​​the ventilation hole (4) is 0.01mm 2 ~0.10mm 2 .

11. The aerosol generating product according to any one of claims 1-3 and 5-10, characterized in that a transmission section (7) is further provided between the spoiler section (2) and the mouthpiece section (3), and the transmission section (7) comprises a transmission section inner core (71) and a plugging paper (6) wrapped on the outside.

12. An aerosol-generating article according to claim 11, characterized in that The inner core (71) of the transmission section is a porous rod made of a cooling material, or a paper hollow tube, or an acetate fiber bundle wrapped with a molding paper (5), and the ventilation degree of the molding paper (5) is greater than 6000CU.

13. An aerosol-generating article according to claim 12, characterized in that The outer side of the porous rod or hollow tube is also wrapped with a shaping paper (5), and the shaping paper (5) is located on the inner side of the tipping paper (6), and the ventilation degree is greater than 6000CU.

14. The aerosol-generating article of claim 12, wherein: The acetate fiber bundle wrapped by the molding paper (5) is also provided with a hollow channel along the axial direction; the thickness of the acetate fiber bundle is 1 mm to 2 mm.

15. The aerosol-generating article of claim 12, wherein: When the inner core (71) of the transmission section is a hollow tube made of paper, the wall thickness of the transmission section (7) is 1 mm to 2 mm.

16. An aerosol-generating article according to any one of claims 12 to 15, characterized in that The tipping paper (6) of the transport section (7) is provided with at least one ventilation hole (4); When the inner core (71) of the transmission section is a paper hollow tube, the hollow tube is provided with through holes at positions corresponding to the ventilation holes (4) on the tipping paper (6).

17. An aerosol-generating article according to claim 16, characterized in that When the inner core (71) of the transmission section is a paper hollow tube or an acetate fiber bundle wrapped by molding paper (5), the ventilation hole (4) is located in the middle of the transmission section (7); When the inner core (71) of the transmission section is a porous rod made of a cooling material, the ventilation hole (4) is located on a side of the transmission section (7) close to the cigarette holder section (3).

18. The aerosol-generating article of claim 16, wherein: The area of ​​the ventilation hole (4) is 0.01mm 2 ~0.10mm 2 .

19. The aerosol-generating article of claim 16, wherein: A plurality of ventilation holes (4) are provided, and the plurality of ventilation holes (4) are arranged in a circle around the transmission section (7).

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