A heat-not-burn aerosol generating device and an aerosol generating system including the same

Abstract

The application discloses a heating non-combustion type aerosol generating device, comprising a device main body (1), a containing cylinder (2) and a heating part (3) in the main body (1); the containing cylinder (2) has a bottom wall (22); the heating part (3) has a bottom end (32); the height of the bottom end (32) of the heating part (3) is higher than the height of the bottom wall (22) of the containing cylinder (2) in the vertical direction, so that the bottom end (32) of the heating part (3) is higher than the end face of the aerosol generating substrate side of the aerosol generating article in the vertical direction, thereby ensuring that the part of the aerosol generating substrate side of the bottom end is not surrounded by the heating part, so that the temperature of the part is lower, and almost no aerosol is generated, which avoids the problem that after stopping smoking, the aerosol in the part condenses and flows out to contaminate the bottom wall of the heating pipe. In addition, the aerosol generating substrate section (82) of the aerosol generating article has a tight section (81) at the end far away from the filter section (84).

Description

Technical Field

[0001] This invention patent relates to the field of low-temperature heating non-combustible aerosol generating device technology, specifically to a heating non-combustible aerosol generating device and an aerosol generating system including the same. Background Technology

[0002] The heating temperature of the heated non-combustible aerosol generating matrix is ​​generally between 250-350℃. Compared with ordinary cigarettes, heated non-combustible aerosol generating products can significantly reduce the harm of harmful substances in the aerosol generating matrix to smokers while retaining the traditional cigarette flavor. It does not undergo a high-temperature combustion and decomposition process, thereby reducing the release of tar and harmful substances in the aerosol generating matrix and significantly reducing the harm of secondhand smoke.

[0003] Currently, heating technologies for heating aerosol-generating products typically include resistance heating or electromagnetic heating. The heating element typically takes the form of a tubular heating tube used to heat the aerosol-generating product, or a plate / needle-shaped heating plate / needle inserted into the aerosol-generating product. For resistance heating, heat is generated by electricity flowing through the resistive circuitry on the heating element, thus heating the aerosol-generating product. For electromagnetic heating, current is generated by an induced magnetic field, which then generates heat to heat the aerosol-generating product. Existing heating technologies for non-combustible aerosol-generating products include a filter section for inhalation at the user's mouth and an aerosol-generating matrix section located away from the filter section. Airflow enters the aerosol-generating product from the end face of the aerosol-generating matrix section and exits from the end face of the filter section. The problem this causes is that, regardless of whether the heating is done via a heating tube or a heating element / heater to heat the aerosol generating matrix, on the one hand, when the user is not pumping, a small amount of cold air still enters the aerosol generating matrix section through its end face. A small portion of the atomized aerosol in the aerosol generating matrix section condenses upon encountering the cold air, forming liquid that flows out from the end face of the aerosol generating matrix section and contaminates the appliance. On the other hand, when the user is pumping, the low negative pressure in the aerosol generating matrix section causes the aerosol to flow towards the filter section. However, when the user is not pumping, the lack of suction force causes a small portion of the aerosol to flow from the filter section towards the aerosol generating matrix section under negative pressure, and upon condensation, forms liquid that flows out from the end face of the aerosol generating matrix section and contaminates the appliance.

[0004] In addition, in existing heat-generating non-combustible aerosol generating devices that heat the aerosol-generating product through a heating tube, the bottom end of the heating tube is usually flush with the bottom end of the aerosol generating matrix, and the bottom wall of the heating tube supports the bottom end of the aerosol generating matrix. In this case, the heating tube heats the bottom end of the aerosol generating matrix (the end furthest from the filter nozzle). Thus, after the suction stops, the aerosol generated by atomization at the bottom end of the aerosol generating matrix section cannot be suctioned in time and will condense and flow out from the end face of the aerosol generating matrix section, contaminating the bottom of the heating tube. Furthermore, if outside air enters from the end face of the aerosol generating matrix section at this time, the pre-cooling of the aerosol generated by atomization at the bottom end of the aerosol generating matrix section will make it easier for the aerosol to condense and flow out, contaminating the bottom wall of the heating tube.

[0005] Therefore, preventing the atomized aerosol from condensing again is an important way to avoid contaminating the equipment.

[0006] To address the above problems, this invention is proposed. Summary of the Invention

[0007] The present invention provides a heated non-combustible aerosol generating device, characterized in that it includes a device body 1, a receiving cylinder 2 located within the body 1 for containing an aerosol generating product, and a heating part 3 for heating the aerosol generating product to generate aerosol.

[0008] The receiving cylinder 2 includes a top opening 21 for inserting the aerosol-generating article, and a bottom wall 22 opposite to the top opening 21, wherein the aerosol-generating article is inserted through the top opening 21 and contained within the receiving cylinder 2.

[0009] The heating part 3 includes a top end 31 and a bottom end 32 opposite to the top end 31;

[0010] The bottom end 32 of the heating section 3 is vertically higher than the bottom wall 22 of the receiving cylinder 2. Here, the purpose of limiting the vertical height of the bottom end 32 of the heating section 3 to be higher than the bottom wall 22 of the receiving cylinder 2 is that when the receiving cylinder 2 does not contain an aerosol generating product, the bottom end 32 of the heating section 3 is vertically higher than the end face of the aerosol generating matrix side of the aerosol generating product.

[0011] Preferably, the heating part 3 is a heating tube separately disposed from the receiving cylinder 2, and it and the receiving cylinder 2 together contain the aerosol-generated product. That is, the heating tube and the receiving cylinder 2 are two separate components.

[0012] Preferably, the heating tube is coaxially arranged inside the receiving cylinder 2, and the bottom end 32 of the heating tube is higher than the bottom wall 22 of the receiving cylinder 2 in vertical height.

[0013] Preferably, the receiving cylinder 2 is generally in the shape of a stepped tube, comprising upper and lower parts with different diameters. The junction of the upper and lower parts, i.e., the step, has a larger diameter in the upper part than in the lower part. The top of the lower part fits into the heating tube 3, while the upper part surrounds the outside of the heating tube 3. In other words, there is no heating tube on the inner side of the lower part, while there is a heating tube on the inner side of the upper part, thus achieving a situation where the bottom of the heating tube 3 is vertically higher than the bottom wall of the receiving cylinder 2.

[0014] In another preferred embodiment, the heating tube is coaxially disposed above the receiving cylinder 2, and the bottom end 32 of the heating tube is vertically higher than the top end of the receiving cylinder 2. That is, the heating tube and the receiving cylinder 2 may partially overlap in the vertical direction, or they may be two completely separate segments.

[0015] Preferably, the heating element 3 is integral with the receiving cylinder 2, and the heating element 3 is a part of the receiving cylinder 2. That is, the portion of the receiving cylinder 2 near the top has a heating function, serving both as a receiving cylinder for containing aerosol-generated products and as a heating element for heating aerosol-generated products.

[0016] Preferably, a guide tube 4 for introducing aerosol-generated products is provided at the top opening 21 of the receiving cylinder 2.

[0017] The bottom wall 22 of the receiving cylinder 2 can at least partially seal the end face of the aerosol generating substrate of the contained aerosol generating product to prevent or reduce the entry of gas into the aerosol generating substrate through the end face of the aerosol generating substrate. It should be noted that the partial sealing of the end face of the aerosol generating substrate by the bottom wall 22 is optional. When the end face of the aerosol generating substrate of the contained aerosol generating product has a built-in seal, the partial sealing of that end face by the bottom wall 22 can be omitted or retained. However, when the end face of the aerosol generating substrate of the contained aerosol generating product does not have a seal, meaning that gas can enter the aerosol generating substrate unimpeded through this end face, the partial sealing of that end face by the bottom wall 22 must be retained.

[0018] Preferably, the heated non-combustible aerosol generating device is an electromagnetic heating device, with a coil 5 wound around the heating part 3. The coil 5 can generate electromagnetic induction, and the heating part 3 can receive the electromagnetic induction generated by the coil 5 and generate heat. The heating part 3 is selected from, but not limited to, electromagnetic metal materials. There is a heat insulation structure 6 between the heating part 3 and the coil 5, and the heat insulation structure 6 is spaced apart from the heating part 3.

[0019] In another preferred embodiment, the heated non-combustible aerosol generating device is a resistance heating device, and the heating part 3 is an insulating tube with resistance heating wires on its inner and / or outer surfaces. The insulating tube can be made of insulating materials, such as ceramic, or of non-insulating materials that have undergone insulation treatment, such as metal. The resistance heating wires on the inner and / or outer surfaces can be formed into resistance circuits through methods such as screen printing to heat the aerosol generating product via resistance heating. The arrangement of the heating tube in this invention can draw upon existing descriptions of electromagnetic heating tubes and resistance heating methods.

[0020] A second aspect of the present invention provides an aerosol generation system, which includes the heated non-combustible aerosol generation device described in the first aspect of the present invention, and an aerosol generation article 8.

[0021] Preferably, the aerosol generating article includes a compact section 81, an aerosol generating matrix section 82, an air passage section 83, and a filter section 84;

[0022] The airway section 83 is located between the aerosol generating matrix section 82 and the filter section 84;

[0023] The compact section 81 is located at the end of the aerosol generating matrix section 82 that is away from the filter section 84;

[0024] The airway section 83 has an airflow channel 831 that extends axially through the airway section 83;

[0025] The axial permeability of the compact section 81 is less than that of the aerosol generating matrix section 82. Preferably, the axial permeability of the compact section 81 is 0, meaning that gas is not allowed to pass through axially.

[0026] The compact section 81, aerosol generating matrix section 82, airway section 83, and filter section 84 are formed by rolling together a wrapper to create each segment of the aerosol generating product, or by filling the product into an integrally molded tube.

[0027] Preferably, the bottom end of the heating part 3 is vertically higher than or flush with the connection between the compact section 81 and the aerosol generating matrix section 82.

[0028] Preferably, the compact segment 81 is selected from non-aerosol-generating materials, including but not limited to carbon fiber materials, metal films, ceramics, or polymer materials; the polymer material is selected from but not limited to polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, or polylactic acid.

[0029] Alternatively, the compact segment 81 and the aerosol generating matrix segment 82 may be made of the same material, both selected from aerosol generating materials, but the bulk density of the compact segment 81 is greater than that of the aerosol generating matrix segment 82. In other words, the materials of the compact segment 81 and the aerosol generating matrix segment 82 are identical, both being aerosol generating materials, but their compactness is completely different at both ends; the density of the compact segment 81 is greater than that of the aerosol generating matrix segment 82. The axial permeability of the compact segment 81 is less than that of the aerosol generating matrix segment 82. When the compact segment 81 is an aerosol generating material, it can be integrally formed with the aerosol generating matrix segment 82 during the manufacturing process of the aerosol generating matrix, and a high-density aerosol generating matrix segment can be shaped into the compact segment 81 through a compression process, simplifying manufacturing.

[0030] Preferably, the airway section 83 is hollow, having sidewalls and a hollow cavity, the hollow cavity being an airflow channel 831 axially penetrating the airway section 83; the airway section 83 is cylindrical and made of cellulose acetate material.

[0031] Preferably, the sidewall of the air passage section 83 also has a side flow hole 832 penetrating the sidewall; the axial position of the side flow hole 832 is close to the aerosol generating matrix section 82 and far away from the filter section 84; the reason for being closer to the aerosol generating matrix section 82 is that the closer the axial position of the side flow hole 832 is to the aerosol generating matrix section 82, the easier it is to extract aerosols from the aerosol generating matrix section 82. The number of side flow holes 832 can be, but is not limited to, 6-8.

[0032] Preferably, the airway segment 83 includes a first airway segment 833 near the aerosol generating matrix segment 82 and a second airway segment 834 near the filter segment 84; the first airway segment 833 and the second airway segment 834 may be integral or two separable segments.

[0033] The cross-sectional area of ​​the airflow channel 831 of the first airway segment 833 is less than or equal to or greater than the cross-sectional area of ​​the airflow channel 831 of the second airway segment 834. When the airway segment 83 is hollow, it has sidewalls and a hollow cavity, the hollow cavity being the airflow channel 831 that axially penetrates the airway segment 83. The inner diameter of the hollow cavity of the first airway segment 833 is less than or equal to or greater than the inner diameter of the hollow cavity of the second airway segment 834. In this case, the connection between the two can be a conical slope or a vertical cross-section, and can be a flat angle or a structure with rounded corners. When the inner diameter of the hollow cavity of the first airway segment 833 is greater than the inner diameter of the hollow cavity of the second airway segment 834, the first airway segment 833 introduces more air, resulting in better aerosol extraction and a larger aerosol volume. When the inner diameter of the hollow cavity of the first airway section 833 is smaller than the inner diameter of the hollow cavity of the second airway section 834, the second airway section 834 can gather more aerosols, resulting in better condensation and cooling of the aerosols, making it more suitable for suction.

[0034] Preferably, when the heated non-combustible aerosol generating device is an electromagnetic heating device, the aerosol generating matrix section 82 also has a metal sheet 7 arranged along the axial direction, and the metal sheet 7 in the middle can also sense the electromagnetic field generated by the coil and generate heat.

[0035] Preferably, the airway segment 83 is cylindrical and is made of, but not limited to, cellulose acetate material or polymer material.

[0036] The aerosol generating matrix section 82 contains aerosol generating material, which is a particulate or filamentous aerosol generating material.

[0037] This is just an example to illustrate the forms of aerosol generating materials, but in practice it is not limited to the above forms. Any aerosol generating medium that can produce aerosols is applicable.

[0038] In this invention, the total length of the aerosol-generated product can be 30-80 mm, wherein the compact section ranges from 2-10 mm, preferably 5 mm, the length of the aerosol-generating matrix section 82 is 8-25 mm, preferably 12 mm, the length of the air passage section 83 is 10-20 mm, preferably 15 mm, and the length of the filter section 84 is 8-15 mm, preferably 10 mm.

[0039] Provided there is no conflict, the above preferred options can be freely combined.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] 1. The heated non-combustible aerosol generating device of the present invention includes a main body 1, a receiving cylinder 2, and a heating section 3. The bottom end 32 of the heating section 3 is vertically higher than the bottom wall 22 of the receiving cylinder 2, so that the bottom end 32 of the heating section 3 is vertically higher than the end face of the aerosol generating matrix of the aerosol generating product. This ensures that a portion of the bottom side of the aerosol generating matrix of the aerosol generating product is not surrounded by the heating section, resulting in a lower temperature in this section and almost no aerosol generation. This also avoids the problem of un-vacuumed aerosol condensing and flowing out from the end face after the suction stops, contaminating the bottom wall of the heating tube.

[0042] 2. In a preferred embodiment of the present invention, the bottom wall 22 of the receiving cylinder 2 can at least partially seal the end face of the aerosol generating substrate of the contained aerosol generating product, to prevent or reduce the entry of gas into the aerosol generating substrate through the end face of the aerosol generating substrate. This prevents cold air from entering the aerosol generating matrix section through the end face of the aerosol generating matrix section. A small portion of the atomized aerosol in the aerosol generating matrix section is condensed upon encountering cold air, forming liquid that flows out from the end face of the aerosol generating matrix section.

[0043] 3. In this invention, the heating tube and the receiving cylinder 2 can be two separate components, coaxially arranged, and may partially overlap in the vertical direction, or they can be two completely separate segments. Alternatively, the heating tube and the receiving cylinder 2 can be integrated, with the heating part 3 being a portion of the receiving cylinder 2. That is, the portion of the receiving cylinder 2 near the top has a heating function, serving both as a receiving cylinder for containing the aerosol-generated product and as a heating part for heating the aerosol-generated product, resulting in a simpler structure and easier implementation.

[0044] 4. In a preferred embodiment of the present invention, the aerosol generating product 8 has a tight section 81 at the end of the aerosol generating matrix section 82 away from the filter section 84. The axial permeability of the tight section 81 is less than that of the aerosol generating matrix section 82, which can reduce and prevent air from entering the aerosol generating matrix section 82 through the tight section 81. This can prevent cold air from entering the aerosol generating matrix section through the end face of the aerosol generating matrix section. A small portion of the atomized aerosol in the aerosol generating matrix section is condensed when it encounters cold air, forming liquid that flows out from the end face of the aerosol generating matrix section.

[0045] 4. In the prior art, gas passes through the end of the aerosol generation matrix section during the suction process. The aerosol generation matrix section is under negative pressure during the suction process. Therefore, at the moment the suction stops, the aerosol that has not been suctioned will flow back from the filter section to the aerosol generation matrix section.

[0046] However, when a compaction section is added in front of the aerosol generation matrix section, during the user's suction process, since external gas can hardly enter the aerosol matrix section through the compaction section, the negative pressure of the aerosol matrix section will not rise. This prevents aerosol from flowing back into the aerosol matrix section and out of the end face of the aerosol generation matrix section when suction stops, further solving the problem of aerosol condensate flowing out of the end face of the aerosol generation matrix section and contaminating the equipment.

[0047] 5. In a preferred embodiment, the compact segment 81 is selected from non-aerosol generating materials, including but not limited to carbon fiber materials, metal films, ceramics, or polymer materials. Alternatively, the compact segment 81 may be selected from aerosol generating materials. The density of the compact segment 81 is greater than that of the aerosol generating matrix segment 82, resulting in a wide range of material selection. Furthermore, when the compact segment 81 is an aerosol generating material, it can be integrally formed with the aerosol generating matrix segment 82 during the manufacturing process of the aerosol generating matrix, and the high-density aerosol generating matrix segment can be shaped into the compact segment 81 through a compression process, simplifying the manufacturing process.

[0048] 6. In a preferred embodiment, the sidewall of the airway section 83 is further provided with a side flow hole 832 that penetrates the sidewall. The side flow hole is provided to facilitate the suction of aerosols and reduce the suction resistance during suction.

[0049] 7. In a preferred embodiment, the axial position of the side flow hole 832 is close to the position of the aerosol generating matrix section 82 and far away from the position of the filter section 84. The air introduced by the side flow hole has an extraction effect on the aerosol generated by the aerosol generating matrix section 82.

[0050] 8. In a preferred embodiment, the airway segment 83 includes a first airway segment 833 near the aerosol generating matrix segment 82 and a second airway segment 834 near the filter segment 84. The cross-sectional area of ​​the airflow channel 831 of the first airway segment 833 is less than or equal to or greater than the cross-sectional area of ​​the airflow channel 831 of the second airway segment 834; when the airway segment 83 is hollow, it has sidewalls and a hollow cavity, the hollow cavity being an airflow channel 831 axially penetrating the airway segment 83. The inner diameter of the hollow cavity of the first airway segment 833 is less than or equal to or greater than the inner diameter of the hollow cavity of the second airway segment 834.

[0051] When the inner diameter of the hollow cavity of the first airway section 833 is larger than the inner diameter of the hollow cavity of the second airway section 834, the first airway section 833 introduces more air, resulting in better aerosol extraction and a larger aerosol volume.

[0052] When the inner diameter of the hollow cavity of the first airway section 833 is smaller than the inner diameter of the hollow cavity of the second airway section 834, the second airway section 834 can gather more aerosols, resulting in better condensation and cooling of the aerosols, making it more suitable for suction. Attached Figure Description

[0053] Figure 1 This is a schematic diagram of the aerosol generation system structure after combining the aerosol generation product with a compact section and the heated non-combustible aerosol generation device in Example 1.

[0054] Figure 2 This is a schematic diagram of the structure of the aerosol-generated article with compact segments in Example 1;

[0055] Figure 3 This is a schematic diagram of the aerosol generation system structure after combining the aerosol generation product with a compact section and the heated non-combustible aerosol generation device in Example 4.

[0056] Figure 4 This is a schematic diagram of the structure of the aerosol-generated article with compact segments in Example 4;

[0057] Figure 5 This is a schematic diagram of the structure of the aerosol-generated article with compact segments in Example 5;

[0058] Figure 6 This is a schematic diagram of the structure of the aerosol-generated article with compact segments in Example 6;

[0059] Figure 7 This is a schematic diagram of the structure of the aerosol-generated article with compact segments in Example 7;

[0060] The names of the reference numerals in the accompanying drawings are as follows: 1-Main body of the device, 2-Containing cylinder, 21-Top opening, 22-Bottom wall, 3-Heating part, 31-Top end, 32-Bottom end, 4-Guide tube, 5-Coil, 6-Insulation structure, 7-Metal sheet, 8-Aerosol generating product, 81-Compact section, 82-Aerosol generating matrix section, 83-Airway section, 84-Filter section, 831-Airflow channel, 832-Side flow hole, 833-First airway section, 834-Second airway section. Detailed Implementation

[0061] The present invention will now be described in further detail with reference to the embodiments.

[0062] Those skilled in the art will understand that the following embodiments are for illustrative purposes only and should not be construed as limiting the scope of the invention. Where specific techniques or conditions are not specified in the embodiments, they are performed in accordance with the techniques or conditions described in the literature in the field or according to the product instructions. Materials or equipment whose manufacturers are not specified are all conventional products that can be obtained by purchase.

[0063] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” to another element, it can be directly connected to the other element, or there may be an intermediate element. Furthermore, the term “connected” as used herein can include wireless connections.

[0064] In the description of this invention, unless otherwise stated, "a plurality of" means two or more. The terms "inner," "upper," "lower," etc., indicate the orientation or state relationship based on the orientation or state relationship shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention.

[0065] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "equipped with" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art will understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0066] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the meaning consistent with their meaning in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as herein.

[0067] Example 1

[0068] In this embodiment, the total length of the aerosol-generating product 8 can be 42mm, of which the compact section is 5mm, the aerosol-generating matrix section 82 is 12mm long, the air passage section 83 is 15mm long, and the filter section 84 is 10mm long.

[0069] like Figure 2 As shown, the aerosol generating article 8 has a compact section, which includes a compact section 81, an aerosol generating matrix section 82, an air passage section 83, and a filter section 84.

[0070] The airway section 83 is located between the aerosol generating matrix section 82 and the filter section 84;

[0071] The compact section 81 is located at the end of the aerosol generating matrix section 82 that is away from the filter section 84;

[0072] The airway section 83 has an airflow channel 831 that extends axially through the airway section 83;

[0073] The axial permeability of the compact section 81 is less than that of the aerosol generating matrix section 82.

[0074] The compact segment 81 is selected from non-aerosol-generating materials and carbon fiber materials.

[0075] The airway section 83 is hollow, having sidewalls and a hollow cavity, the hollow cavity being an airflow channel 831 that axially penetrates the airway section 83.

[0076] The sidewall of the air passage section 83 also has a side flow hole 832 that penetrates the sidewall.

[0077] The axial position of the side flow hole 832 is close to the position of the aerosol generating matrix section 82 and far away from the position of the filter section 84.

[0078] The number of side flow holes 832 is 6.

[0079] The airway section 83 is cylindrical and made of cellulose acetate material.

[0080] like Figure 1 As shown, the heated non-combustible aerosol generating device used therein includes a main body 1, a container cylinder 2 located within the main body 1 for containing the aerosol generating product, and a heating section 3 for heating the aerosol generating product to generate aerosol.

[0081] The receiving cylinder 2 includes a top opening 21 for inserting the aerosol-generating article, and a bottom wall 22 opposite to the top opening 21, wherein the aerosol-generating article is inserted through the top opening 21 and contained within the receiving cylinder 2.

[0082] The heating part 3 includes a top end 31 and a bottom end 32 opposite to the top end 31;

[0083] The bottom end 32 of the heating part 3 is higher than the height of the bottom wall 22 of the receiving cylinder 2 in vertical height.

[0084] The heating section 3 is a heating tube separately arranged from the receiving cylinder 2, and together with the receiving cylinder 2, it contains the aerosol-generated product. The heating tube is coaxially arranged inside the receiving cylinder 2, and the bottom end 32 of the heating tube is higher than the bottom wall 22 of the receiving cylinder 2 in vertical height.

[0085] The container 2 is generally in the shape of a stepped tube, which includes upper and lower parts with different diameters. The junction of the upper and lower parts is the step. The diameter of the upper part is larger than that of the lower part. The top of the lower part fits into the heating tube 3, and the upper part surrounds the outside of the heating tube 3.

[0086] The top opening 21 of the container cylinder 2 is provided with a guide tube 4 for introducing aerosol-generated products.

[0087] The heated non-combustible aerosol generating device is an electromagnetic heating device. A coil 5 is wound around the heating part 3. The coil 5 can generate electromagnetic induction. The heating part 3 can receive the electromagnetic induction generated by the coil 5 and generate heat. The heating part 3 is selected from, but not limited to, electromagnetic metal materials. There is a heat insulation structure 6 between the heating part 3 and the coil 5. The heat insulation structure 6 is spaced apart from the heating part 3.

[0088] The bottom of the heating tube 3 is vertically higher than the connection point between the compact section 81 and the aerosol generating matrix section 82.

[0089] Example 2

[0090] The aerosol generating product used in this embodiment is the same as that in the embodiment, except that the heated non-combustible aerosol generating device is different from that in embodiment 1.

[0091] In this embodiment, the heated non-combustible aerosol generating device uses a heating unit 3, which is a heating tube separately from the receiving cylinder 2. Both the heating unit and the receiving cylinder 2 contain the aerosol-generated product. The heating tube is coaxially positioned above the receiving cylinder 2, and the bottom end 32 of the heating tube 3 is vertically higher than the top end of the receiving cylinder 2. Other features of the heated non-combustible aerosol generating device are consistent with those of Embodiment 1.

[0092] Example 3

[0093] The aerosol generating product used in this embodiment is the same as that in the embodiment, except that the heated non-combustible aerosol generating device is different from that in embodiment 1.

[0094] In this embodiment, the heating element 3 of the heat-not-combustible aerosol generating device is integrated with the receiving cylinder 2, and the heating element 3 is a part of the receiving cylinder 2. That is, the portion of the receiving cylinder 2 near the top has a heating function, serving both as a receiving cylinder for containing the aerosol-generated product and as a heating element for heating the aerosol-generated product. Other features of the heat-not-combustible aerosol generating device are consistent with those of Embodiment 1.

[0095] Example 4

[0096] like Figure 3 As shown, the heated non-combustible aerosol generating device used in this embodiment is the same as that in Embodiment 1. The difference lies in the aerosol product generated.

[0097] like Figure 4 The aerosol generating product 8 shown has a compact section. Its structure differs from that of Example 1 in that the aerosol generating matrix section 82 also has a metal sheet 7 arranged along the axial direction. The metal sheet 7 in the middle can also sense the electromagnetic field generated by the coil and generate heat.

[0098] Example 5

[0099] The heated non-combustible aerosol generating device used in this embodiment is the same as that in Embodiment 1. The difference lies in the aerosol product generated.

[0100] like Figure 5 The aerosol generating article 8 shown has a compact section, and its structure differs from that of Example 1 in that the airway section 83 includes a first airway section 833 near the aerosol generating matrix section 82 and a second airway section 834 near the filter section 84. The first airway section 833 and the second airway section 834 are two separable sections.

[0101] In this configuration, the cross-sectional area of ​​the airflow channel 831 in the first airway section 833 is smaller than that in the second airway section 834. When the airway section 83 is hollow, it has sidewalls and a hollow cavity, the hollow cavity being the airflow channel 831 that axially penetrates the airway section 83. The inner diameter of the hollow cavity in the first airway section 833 is smaller than that in the hollow cavity in the second airway section 834; in this case, the connection between the two can be a conical inclined surface.

[0102] When the inner diameter of the hollow cavity of the first airway section 833 is smaller than the inner diameter of the hollow cavity of the second airway section 834, the second airway section 834 can gather more aerosols, resulting in better condensation and cooling of the aerosols, making it more suitable for suction.

[0103] Example 6

[0104] The heated non-combustible aerosol generating device used in this embodiment is the same as that in Embodiment 1. The difference lies in the aerosol product generated.

[0105] like Figure 6 The aerosol generating article 8 shown has a compact section, and its structure differs from that of Example 1 in that the airway section 83 includes a first airway section 833 near the aerosol generating matrix section 82 and a second airway section 834 near the filter section 84. The first airway section 833 and the second airway section 834 are two separable sections.

[0106] In this configuration, the cross-sectional area of ​​the airflow channel 831 in the first airway section 833 is larger than that in the second airway section 834. When the airway section 83 is hollow, it has sidewalls and a hollow cavity, the hollow cavity being the airflow channel 831 that axially penetrates the airway section 83. The inner diameter of the hollow cavity in the first airway section 833 is larger than that in the second airway section 834, and the connection between the two can be a conical inclined surface.

[0107] When the inner diameter of the hollow cavity of the first airway section 833 is larger than the inner diameter of the hollow cavity of the second airway section 834, the first airway section 833 introduces more air, resulting in better aerosol extraction and a larger aerosol volume.

[0108] Example 7

[0109] The heated non-combustible aerosol generating device used in this embodiment is the same as that in Embodiment 1. The difference lies in the aerosol product generated.

[0110] like Figure 7 The aerosol-generating article 8 shown has a structure that differs from that of Example 1 in that the compact segment 81 is selected from an aerosol-generating material, and the density of the compact segment 81 is greater than the density of the aerosol-generating matrix segment 82. In other words, the material of the compact segment 81 and the aerosol-generating matrix segment 82 is the same—both are aerosol-generating materials—but the compactness at both ends is completely different. The density of the compact segment 81 is greater than the density of the aerosol-generating matrix segment 82. The axial permeability of the compact segment 81 is less than the axial permeability of the aerosol-generating matrix segment 82.

[0111] The compact segment 81 can be integrally formed with the aerosol generating matrix segment 82 during the manufacturing process of the aerosol generating matrix, and the high-density aerosol generating matrix segment can be shaped into the compact segment 81 through a compression process, which simplifies the manufacturing process.

Claims

1. A heat-not-burn aerosol generating device, characterized by, The device comprises a device body (1), a receiving cylinder (2) for receiving an aerosol generating article in the body (1), and a heating portion (3) for heating the aerosol generating article to generate an aerosol; The receiving cylinder (2) comprises a top opening (21) for insertion of the aerosol generating article, and a bottom wall (22) opposite to the top opening (21), the aerosol generating article being inserted from the top opening (21) and received in the receiving cylinder (2); The heating portion (3) comprises a top end (31) and a bottom end (32) opposite to the top end (31); The bottom end (32) of the heating portion (3) is higher than the height of the bottom wall (22) of the receiving cylinder (2) in vertical height, and the bottom end (32) of the heating portion (3) is higher than the end surface of the aerosol generating substrate side of the aerosol generating article in vertical height.

2. The heat-not-burn aerosol generating device according to claim 1, characterized in that, The heating portion (3) is a heating tube arranged separately from the receiving cylinder (2), and the heating tube and the receiving cylinder (2) jointly receive the aerosol generating article.

3. The heat-not-burn aerosol generating device according to claim 2, characterized in that, The heating tube is coaxially arranged in the receiving cylinder (2), and the bottom end (32) of the heating tube is higher than the bottom wall (22) of the receiving cylinder (2) in vertical height.

4. The heat-not-burn aerosol generating device according to claim 3, characterized in that, The receiving cylinder (2) is a stepped tubular as a whole, comprising upper and lower portions with different diameters, the upper portion having a larger diameter than the lower portion, the top end of the lower portion being sleeved with the heating tube, and the upper portion being arranged outside the heating tube.

5. The heat-not-burn aerosol generating device according to claim 2, characterized in that, The heating tube is coaxially arranged above the receiving cylinder (2), and the bottom end (32) of the heating tube is higher than the top end of the receiving cylinder (2) in vertical height. 6.The heating, not combusting, aerosol-generating device of claim 1, wherein, The heating portion (3) is integral with the receiving cylinder (2), and the heating portion (3) is part of the receiving cylinder (2).

7. The heat-not-burn aerosol generating device according to claim 1, characterized in that, A guide tube (4) for guiding the aerosol generating article is arranged at the top opening (21) of the receiving cylinder (2).

8. The heat-not-burn aerosol generating device according to claim 1, characterized in that, The bottom wall (22) of the receiving cylinder (2) at least partially seals the end surface of the aerosol generating substrate side of the received aerosol generating article, so as to prevent or reduce the gas entering the aerosol generating substrate through the end surface of the aerosol generating substrate side. 9.The heating, not burning, type aerosol generating device of claim 1, wherein, The heating not-burning type aerosol generating device is an electromagnetic heating device, a coil (5) capable of generating electromagnetic induction is wound around the periphery of the heating portion (3), the heating portion (3) can receive the electromagnetic induction generated by the coil (5) to heat, and the heating portion (3) is selected from electromagnetic metal materials. 10.The heating, not burning, type aerosol generating device of claim 9, wherein, A heat insulation structure (6) is arranged between the heating portion (3) and the coil (5). 11.The heating, not burning, type aerosol generating device of claim 1, wherein, The heating not-burning type aerosol generating device is a resistance heating device, and the heating portion (3) is an insulating tube, and the inner surface and / or the outer surface of the insulating tube has a resistance heating wire.

12. An aerosol-generating system comprising: The device comprises the heating not-burning type aerosol generating device according to any one of claims 1-11, and an aerosol generating article (8).

13. An aerosol-generating system according to claim 12, wherein, The aerosol generating article (8) comprises a compact segment (81), an aerosol generating substrate segment (82), an airway segment (83), and a filter segment (84); The airway segment (83) is located between the aerosol generating substrate segment (82) and the filter segment (84); The compact segment (81) is located at one end of the aerosol generating substrate segment (82) away from the filter segment (84); The airway segment (83) has an airflow passage (831) axially through the airway segment (83); The axial permeability of the compact segment (81) is less than that of the aerosol generating substrate segment (82).

14. An aerosol-generating system according to claim 13, wherein, The bottom end (32) of the heating portion (3) is higher than or flush with the junction of the compact segment (81) and the aerosol generating substrate segment (82) in vertical height.

15. An aerosol-generating system according to claim 13, wherein, The compact segment (81) is selected from non-aerosol generating materials, selected from carbon fiber materials, metal films, ceramics or polymer materials.

16. An aerosol-generating system according to claim 13, wherein, The compact segment (81) and the aerosol generating substrate segment (82) are made of the same material, which is selected from aerosol generating materials, but the bulk density of the compact segment (81) is greater than that of the aerosol generating substrate segment (82).

17. An aerosol-generating system according to claim 13, wherein, The airway segment (83) is hollow, having a side wall and a hollow cavity, which is an airflow passage (831) axially through the airway segment (83); the airway segment (83) is cylindrical and made of acetate fiber material.

18. An aerosol-generating system according to claim 13, characterised in that, The airway segment (83) further has a side flow hole (832) through the side wall; the axial position of the side flow hole (832) is close to the position of the aerosol generating substrate segment (82) and away from the position of the filter segment (84).

19. An aerosol-generating system according to claim 13, characterised in that, The airway segment (83) includes a first airway segment (833) close to the aerosol generating substrate segment (82) and a second airway segment (834) close to the filter segment (84); The cross-sectional area of the airflow passage (831) of the first airway segment (833) is less than or equal to or greater than that of the second airway segment (834).

20. An aerosol-generating system according to claim 13, wherein, When the heating non-combustion type aerosol generating device is an electromagnetic heating device, the aerosol generating substrate segment (82) further has a metal sheet (7) arranged axially.

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