An aerosol generating system
By adopting a solid granular or rollable aerosol-generating matrix, combined with movable barriers and connecting port design, the problem of high cost of the existing aerosol-generating system is solved, and a low-cost and environmentally friendly aerosol-generating effect is achieved.
Patent Information
- Application Number
- CN202110168278.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-02-07
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2041-02-07
AI Technical Summary
The existing aerosol generation system is costly, mainly due to the complex production process of tobacco branch aerosol generation matrix, which consumes a lot of paper and auxiliary materials.
The solid aerosol is used to generate a matrix, designed as a granular or rollable shape, stored in the storage compartment in the shell, and replenish and heated through the communication port between the heating chamber and the storage compartment. The heating part is atomized to generate aerosol, and there is no need for a smoke branch structure in the system.
It reduces the production cost of aerosol generation system, reduces waste, and improves the convenience of use and environmental friendliness.
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Figure CN112790444B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of aerosols, and particularly to an aerosol generating system. Background Art
[0002] With the technological development in the field of aerosols and the improvement of people's demands, more and more electrically heated aerosol generating systems have emerged. An aerosol generating system generally includes an aerosol generating substrate and a device for heating the aerosol generating substrate. For new tobacco products, low-harm cigarettes have currently become the future development trend in the tobacco field. At present, heated cigarettes are developing well and have a high acceptance rate. However, among the products on the market, the aerosol generating substrate mainly takes the form of cigarette sticks. When storing, the cigarette sticks and the heating components need to be stored separately. When in use, the cigarette sticks are inserted into the heating cavity of the smoking device, and then the cigarette sticks are heated to generate aerosols. Summary of the Invention
[0003] The applicant has found that the aerosol generating system in the prior art has the problem of high cost. The applicant further studies and finds that this is because in the prior art, the aerosol generating substrate is mostly in the form of cigarette sticks, the production process is complex, consuming a large amount of paper, acetate fiber and various cooling materials, and the costs of equipment and raw and auxiliary materials are high, which leads to a high total cost of the aerosol generating system.
[0004] The purpose of the present invention is to solve the problem of high cost of the aerosol generating system in the prior art.
[0005] To solve the above technical problems, an embodiment of the present invention discloses an aerosol generating system, including: a housing, on which a first operation part is provided; a power source arranged inside the housing; a first storage bin for storing the standby aerosol generating substrate, and the aerosol generating substrate is solid; a heating cavity arranged inside the housing, the heating cavity is provided with a heating part, a first communication port is arranged between the heating cavity and the first storage bin, the first storage bin is provided with a first barrier, the first barrier is connected to the first operation part, and the first operation part is used to control the movement of the first barrier to open or close the first communication port, and the heating part is electrically connected to the power source to atomize the aerosol generating substrate in the heating cavity; a mouthpiece communicated with the heating cavity.
[0006] By adopting the above technical solution, the cost of the aerosol generating system is low.
[0007] Optionally, the mouthpiece, the heating cavity and the power source are sequentially arranged along the extending direction of the housing, the heating cavity and the first storage bin are sequentially arranged along a first direction, and the first direction is perpendicular to the extending direction of the housing.
[0008] Optionally, an air inlet hole is arranged at the bottom of the heating cavity, and the maximum aperture of the air inlet hole is smaller than the minimum particle size of the aerosol generating substrate.
[0009] Optionally, the first storage bin is provided with a closable first hatch for communicating with the outside world.
[0010] Optionally, the suction nozzle is detachably connected to the housing.
[0011] Optionally, the aerosol-forming substrate is granular, and a filtering component is provided at one end of the suction nozzle connected to the heating chamber.
[0012] Optionally, the heating part is fixed at the center of the heating chamber.
[0013] Optionally, the heating part includes a radially extending heating surface, and holes are provided on the heating surface, and the aperture of the holes is larger than the particle size of the aerosol-forming substrate.
[0014] Optionally, the aerosol generating system further includes: a second storage bin for storing the used and discarded aerosol-forming substrate, the second storage bin is provided with a second hatch for communicating with the outside world, and the second storage bin is provided with a second barrier; a second communication port is provided between the heating chamber and the second storage bin, and a second operating part is further provided on the housing, the second barrier is connected to the second operating part, and the second operating part is used to control the movement of the second barrier to open or close the second communication port.
[0015] Optionally, the aerosol-forming substrate is in a rollable shape, and the angle of repose of the aerosol-forming substrate does not exceed 35°.
[0016] Optionally, the aerosol-forming substrate is granular, and the density of a single particle in the aerosol-forming substrate is less than 1.2 g / cm 3 .
[0017] Optionally, the particle size of a single particle in the aerosol-forming substrate does not exceed 2.5 mm.
[0018] Optionally, the content of the tobacco source material in the aerosol-forming substrate accounts for at least 35% of the total weight.
[0019] Optionally, the content of the aerosolizing agent in the aerosol-forming substrate accounts for at least 12% of the total weight.
[0020] Optionally, the moisture content of the aerosol-forming substrate is not higher than 13%. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 Shows a perspective view of the aerosol generating system in one embodiment of the present invention;
[0022] Figure 2 Shows a schematic diagram of the use of the aerosol generating system in one embodiment of the present invention;
[0023] Figure 3 Shows a perspective view of the aerosol generating system in another embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION
[0024] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be introduced in conjunction with preferred embodiments, this does not mean that the features of this invention are limited to this implementation manner. On the contrary, the purpose of introducing the invention in conjunction with the implementation manner is to cover other alternatives or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, many specific details will be included in the following description. The present invention can also be implemented without using these details. In addition, in order to avoid confusing or obscuring the key points of the present invention, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.
[0025] It should be noted that in this specification, similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0026] In the description of the embodiments of the present invention, it should be noted that the orientation or coordinate relationship indicated by terms such as "upper", "lower", "inner", "bottom", etc. is based on the orientation or coordinate relationship shown in the drawings, or the orientation or coordinate relationship in which the invention product is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 to the present invention.
[0027] Terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0028] In the description of the embodiments of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific situations.
[0029] To make the purpose, technical solution and advantages of the present invention clearer, the implementation manners of the present invention will be further described in detail below with reference to the drawings.
[0030] Refer to Figure 1As shown, an embodiment of the present invention provides an aerosol generating system, comprising: a housing 1, on which a first operation part 11 is provided; a power source 2, arranged inside the housing 1; a first storage bin 3, for storing a spare aerosol generating substrate 4, the aerosol generating substrate 4 being solid; a heating chamber 5, arranged inside the housing 1, the heating chamber 5 being provided with a heating part 51, a first communication port 6 being arranged between the heating chamber 5 and the first storage bin 3, the first storage bin 3 being provided with a first barrier member 31, the first barrier member 31 being connected to the first operation part 11, the first operation part 11 being used to control the movement of the first barrier member 31 to open or close the first communication port 6, the heating part 51 being electrically connected to the power source 2 to atomize the aerosol generating substrate 4 in the heating chamber 5; and a mouthpiece 7, communicating with the heating chamber 5.
[0031] In this embodiment, the heating chamber 5 of the aerosol generating system can store a certain amount of the aerosol generating substrate 4 in advance without separate storage. When the aerosol generating substrate 4 in the heating chamber 5 is insufficient, the user can control the movement of the first barrier member 31 by operating the first operation part 11 to open the first communication port 6. In one embodiment, the first barrier member 31 is a movable partition, and the first operation part 11 is a high-temperature resistant plastic handle, and the two are mechanically fixedly connected. The user can control the movement of the movable partition by moving the handle, thereby opening or closing the first communication port 6. In other embodiments, the first operation part 11 and the first barrier member 31 can also be of other materials or structures, and can also be electrically connected, and this embodiment does not limit this. Then refer to Figure 2 As shown, through the first communication port 6, the spare aerosol generating substrate 4 in the first storage bin 3 can be poured into the heating chamber 5 to complete the replenishment of the aerosol generating substrate 4. When it is necessary to heat the aerosol generating substrate 4, the user can operate the first operation part 11 to control the movement of the first barrier member 31 to close the first communication port 6, so as to isolate the heating chamber 5 from the first storage bin 3, reduce the heat and aerosol entering the first storage bin 3, ensure the quality of the aerosol generating substrate 4 in the first storage bin 3, and ensure the amount of aerosol inhaled by the user. Then, the power source 2 can control the heating part 51 to atomize the aerosol generating substrate 4 in the heating chamber 5. The heating part 51 can be a heating device arranged on the inner wall of the heating chamber 5, or can be heating components such as heating sheets, columns, needles arranged in the heating chamber 5, as long as it can heat all or part of the aerosol generating substrate 4 filled in the heating chamber 5 to a temperature above a predetermined temperature. In one embodiment, the aerosol generating substrate 4 is a tobacco-containing material, and the predetermined temperature is 200 °C. In other embodiments, the aerosol generating substrate can be one or more materials, such as natural plant materials, and the predetermined temperature can be set and adjusted as needed, and this embodiment does not limit this.
[0032] That is to say, in the aerosol generating system disclosed in this embodiment, the aerosol generating substrate does not need to be produced in the form of a cigarette, and can be in the form of particles, flakes, filaments, etc. Therefore, in the production process, various auxiliary materials such as paper in the cigarette industry are not required, and the cost is low. Moreover, the aerosol generating substrate produces less waste after use, having little impact on the environment.
[0033] Adopting the above technical solution, the aerosol generating system disclosed in this embodiment has a low cost.
[0034] Refer to Figure 3 As shown, another embodiment of the present invention provides an aerosol generating system. The mouthpiece 7, the heating chamber 5 and the power source 2 are sequentially arranged along the extending direction of the housing 1 ( Figure 3 shown as the X direction), and the heating chamber 5 and the first storage bin 3 are sequentially arranged along the first direction ( Figure 3 shown as the Y direction), and the first direction is perpendicular to the extending direction of the housing 1. In this embodiment, the mouthpiece 7, the heating chamber 5 and the power source 2 are sequentially arranged up and down along the extending direction of the housing 1, facilitating the electrical connection between the heating part 51 and the power source 2. And the heating chamber 5 and the first storage bin 3 are sequentially arranged along the first direction, that is, the horizontal direction, that is, they are arranged left and right, and then are horizontally communicated through the first communication port 6. It can be understood that on the premise that the same aerosol generating substrate 4 is stored in the first storage bin 3, compared with arranging the heating chamber 5 and the first storage bin 3 up and down, the overall length of the aerosol generating system in this embodiment is smaller, facilitating carrying. And it can avoid the first storage bin affecting the stability of the circuit connection between the power source and the heating part when arranged up and down, and avoid the aerosol generating substrate from accidentally entering other components in the housing during use, making it difficult to clean. In one embodiment, the side walls of the heating chamber 5 and the first storage bin 3 are in contact with each other, and the first communication port 6 is arranged on the side walls of the heating chamber 5 and the first storage bin 3. In other embodiments, the first communication port can also be arranged at other positions to communicate the heating chamber and the first storage bin. Preferably, the side walls of the heating chamber and the side walls of the first storage bin are integrally formed, and the first communication port is arranged on the common side wall of the two, which is convenient for manufacturing and has better sealing performance during use.
[0035] Refer to Figure 3
[0036] Refer to Figure 3 As shown, another embodiment of the present invention provides an aerosol generating system. The first storage chamber 3 is provided with a closable first hatch 32 for communicating with the outside. In this embodiment, by opening the first hatch 32, it is convenient to replenish the aerosol generating substrate 4 into the first storage chamber 3. By closing the first hatch 32, the aerosol generating substrate 4 can be sealed in the first storage chamber 3 to avoid moisture, so it will not be affected by moisture and the smoking effect will not be affected like a cigarette-shaped aerosol generating substrate after opening the package. Preferably, a screw cap is used to seal the first hatch 32 to further enhance the sealing effect. Optionally, the housing 1 and the first storage chamber 3 are integrally formed, with better sealing performance and convenience for carrying.
[0037] Another embodiment of the present invention provides an aerosol generating system. The mouthpiece 7 is detachably connected to the housing 1. In this embodiment, by detachably connecting the mouthpiece 7 to the housing 1, it is convenient to wash and clean the mouthpiece 7, and it is also convenient to directly pour out the discarded aerosol generating substrate 4 in the heating chamber 5. Preferably, the mouthpiece 7 is snap-connected to the housing 1.
[0038] Refer to Figure 3 As shown, another embodiment of the present invention provides an aerosol generating system. The aerosol generating substrate 4 is granular, and a filtering component 71 is provided at one end of the mouthpiece 7 connected to the heating chamber 5. In this embodiment, by providing the filtering component 71 on the mouthpiece 7, it can both reduce the entry of the aerosol generating substrate 4 into the airway 72 of the mouthpiece 7 and facilitate the pouring of the discarded aerosol generating substrate 4. The filtering component can be a structure such as a mesh, a sieve mesh, or a porous channel, etc., which can block the passage of solid particles. This embodiment does not limit this, as long as it has a suitable suction resistance and can block particles from entering the airway in the mouthpiece.
[0039] Refer to Figure 3 As shown, another embodiment of the present invention provides an aerosol generating system. The heating part 51 is fixed at the center of the heating chamber 5. In this embodiment, by arranging the heating part 51 at the center of the heating chamber 5 instead of on the inner wall of the heating chamber 5, the heat insulation effect is better. Preferably, the heating part 51 extends along the axial direction of the heating chamber 5 ( Figure 3 shown as the X direction), which can enable the heating part 51 to fully contact the aerosol generating substrate at different heights in the heating chamber 5, making the atomization more uniform and the heating effect better.
[0040] Another embodiment of the present invention provides an aerosol generating system. The heating part 51 includes a radially extending heating surface, on which holes are provided, and the aperture of the holes is larger than the particle size of the aerosol generating substrate 4. In this embodiment, the heating part 51 includes a radially extending heating surface, which can increase the contact area between the heating part 51 and the aerosol generating substrate 4, so that the aerosol generating substrate 4 can be heated more fully and uniformly, and the holes can be provided to enable the aerosol generating substrate 4 to be evenly distributed in the heating chamber 5. In some embodiments, the heating surface can extend from the center of the heating chamber to the side wall of the heating chamber. In other embodiments, the heating surface can extend from the side wall of the heating chamber to the inside of the heating chamber, such as the center of the heating chamber. The number and specific shape of the heating surface can be set as needed. For example, the heating surface can be a flat surface or a spiral curved surface, etc. Optionally, the cross-section of the heating part 51 is radially centrosymmetric, that is, the heating part 51 has a plurality of symmetric heating surfaces, further improving the heating area and heating uniformity, especially suitable for heating the particulate aerosol generating substrate 4.
[0041] Another embodiment of the present invention provides an aerosol generating system, further comprising: a second storage bin (not shown in the figure), for storing the used and discarded aerosol generating substrate 4, the second storage bin is provided with a second hatch (not shown in the figure) for communicating with the outside, and the second storage bin is provided with a second barrier member (not shown in the figure); a second communication port (not shown in the figure) is provided between the heating chamber 5 and the second storage bin, and a second operation part is further provided on the housing 1, the second barrier member is connected to the second operation part, and the second operation part is used to control the movement of the second barrier member to open or close the second communication port.
[0042] In this embodiment, by providing a second storage bin that can cooperate with the first storage bin 3, the replenishment of the aerosol-generating matrix 4 and the collection of the aerosol-generating matrix 4 after use and disposal can be conveniently completed. In one embodiment, when the aerosol-generating matrix 4 needs to be replenished in the heating chamber 5, the second barrier closes the second connecting port, sealing the second storage bin. The user operates the first operating part 11 to control the first barrier 31 to open the first connecting port 6, and then pours the aerosol-generating matrix 4 in the first storage bin 3 into the heating chamber 5 through the first connecting port 6. After replenishment is completed, the first operating part 11 is operated to control the first barrier 31 to close the first connecting port 6. At this time, the first storage bin 3 and the second storage bin are both sealed, and the heating part 51 in the heating chamber 5 heats the aerosol-generating matrix 4 to produce aerosol. After the aerosol-generating matrix 4 in the heating chamber 5 is fully heated and discarded after use, the user operates the second operating part to control the second barrier to open the second connecting port, and pours the discarded aerosol-generating matrix 4 into the second storage bin through the second connecting port. Then, the second door of the second storage bin can be opened to dump the stored waste aerosol-generating substrate 4. Thus, the aerosol-generating system disclosed in this embodiment is more convenient to use, as the waste aerosol-generating substrate 4 can be collected first and then dumped when the second storage bin is full or when there is a garbage collection device near the user.
[0043] Reference Figure 1 As shown, another embodiment of the present invention provides an aerosol generating system, wherein the aerosol generating matrix 4 is in a rollable shape, and the angle of repose of the aerosol generating matrix 4 does not exceed 35°. In this embodiment, the rollable shape can be particles, pills, beads, etc. The angle of repose (angle of repose) of the aerosol generating matrix 4 does not exceed 35°, which is convenient for the flow of the aerosol generating matrix 4. Preferably, the angle of repose of the aerosol generating matrix 4 should not exceed 30°. After a large number of experimental studies, the applicant found that when the angle of repose of the aerosol generating matrix 4 is less than or equal to 30°, the aerosol generating matrix 4 in a rollable shape can be easily poured from the first storage bin 3 into the heating chamber 5, and at this time, the fluidity of the aerosol generating matrix after use and disposal still remains good, which is convenient for pouring it to the outside of the aerosol generating system.
[0044] Another embodiment of the present invention provides an aerosol generating system, wherein the aerosol generating matrix 4 is granular, and the density of a single particle in the aerosol generating matrix 4 is less than 1.2 g / cm 3 In this embodiment, the density of a single particle in the aerosol-generating matrix 4 is less than 1.2 g / cm 3 , at this time, the aerosol-generating matrix 4 has a relatively loose structure. Preferably, the density of a single particle is between 0.5 g / cm 3 -0.9g / cm 3 It is easy to produce and allows the volatile substances inside to fully evaporate to form aerosol.
[0045] Another embodiment of the present invention provides an aerosol generating system. The particle size of a single particle in the aerosol generating substrate 4 does not exceed 2.5 mm, and it has a large specific surface area, enabling full utilization of the space in the heating chamber 5 and the first storage bin 3. Preferably, the particle size of a single particle in the aerosol generating substrate 4 is between 0.5 mm and 2 mm, which is convenient for production and pouring.
[0046] Another embodiment of the present invention provides an aerosol generating system. The content of the tobacco source material in the aerosol generating substrate 4 accounts for at least 35% of the total weight. The tobacco source material refers to substances derived from tobacco, including but not limited to tobacco, tobacco extracts, extracts, extracts, etc. In this embodiment, the content of the tobacco source material in the aerosol generating substrate 4 accounts for at least 35% of the total weight, enabling the formation of a smoke with a strong tobacco aroma, enhancing the flavor and taste.
[0047] Another embodiment of the present invention provides an aerosol generating system. The content of the aerosolizing agent in the aerosol generating substrate 4 accounts for at least 12% of the total weight. In this embodiment, with the content of the aerosolizing agent accounting for at least 12% of the total weight, the aerosol generating substrate 4 has good aerosolizing performance. The aerosolizing agent can be one or several of polyhydric alcohols such as propylene glycol and glycerol. Preferably, glycerol is used as the aerosolizing agent, which has less peculiar smell and less impact on the sensory quality. Preferably, the content of the aerosolizing agent is between 15% and 30%, which enables the aerosol generating substrate 4 to be more easily formed during processing and have good compressive properties.
[0048] Another embodiment of the present invention provides an aerosol generating system. The moisture content of the aerosol generating substrate 4 is not higher than 13%. In this embodiment, with the moisture content of the aerosol generating substrate 4 not higher than 13%, the aerosol generating substrate 4 has a better smoking effect. Preferably, the moisture content of the aerosol generating substrate 4 is not higher than 7%, further enhancing the smoking effect and being easy to form.
[0049] Although the present invention has been illustrated and described by referring to certain preferred embodiments of the present invention, those of ordinary skill in the art should understand that the above content is a further detailed description of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is only limited to these descriptions. Those skilled in the art can make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.
Claims
1. An aerosol generating system, characterized in that, Comprising: A housing, on which a first operating part is provided; A power source, arranged inside the housing; A first storage bin, for storing spare aerosol - generating matrix, and the aerosol - generating matrix is solid; A heating chamber, arranged inside the housing, the heating chamber is provided with a heating part, a first communication port is arranged between the heating chamber and the first storage bin, the first storage bin is provided with a first barrier member, the first barrier member is connected to the first operating part, and the first operating part is used to control the movement of the first barrier member to open or close the first communication port, and the heating part is electrically connected to the power source to atomize the aerosol - generating matrix in the heating chamber; A mouthpiece, communicating with the heating chamber; When the aerosol - generating matrix in the heating chamber is insufficient, the first operating part controls the movement of the first barrier member to open the first communication port and pour the spare aerosol - generating matrix in the first storage bin into the heating chamber; When it is necessary to heat the aerosol - generating matrix, the first operating part controls the movement of the first barrier member to close the first communication port and isolate the heating chamber from the first storage bin.
2. The aerosol generating system according to claim 1, wherein The mouthpiece, the heating chamber and the power source are arranged in sequence along the extending direction of the housing, the heating chamber and the first storage bin are arranged in sequence along a first direction, and the first direction is perpendicular to the extending direction of the housing.
3. The aerosol generating system according to claim 1 or 2, characterized in that, An air inlet hole is arranged at the bottom of the heating chamber, and the maximum aperture of the air inlet hole is smaller than the minimum particle size of the aerosol - generating matrix.
4. The aerosol generating system according to claim 1, wherein The first storage bin is provided with a closable first hatch for communicating with the outside.
5. The aerosol generating system according to claim 1, characterized in that, The mouthpiece is detachably connected to the housing.
6. The aerosol generating system according to claim 1 or 5, characterized in that, The aerosol - generating matrix is granular, and a filtering component is arranged at one end of the mouthpiece connected to the heating chamber.
7. The aerosol generating system according to claim 1, wherein The heating part is fixed at the center of the heating chamber.
8. The aerosol generating system according to claim 1 or 7, characterized in that, The heating part includes a radially - extending heating surface, and holes are arranged on the heating surface, and the aperture of the holes is larger than the particle size of the aerosol - generating matrix.
9. The aerosol generating system according to claim 1, wherein, Further comprising: A second storage bin, for storing the used and discarded aerosol - generating matrix, the second storage bin is provided with a second hatch for communicating with the outside, and the second storage bin is provided with a second barrier member; A second communication port is arranged between the heating chamber and the second storage bin, a second operating part is further arranged on the housing, the second barrier member is connected to the second operating part, and the second operating part is used to control the movement of the second barrier member to open or close the second communication port.
10. The aerosol generating system according to claim 1, wherein, The aerosol - generating matrix is in a rollable shape, and the angle of repose of the aerosol - generating matrix does not exceed 35°.
11. The aerosol generating system according to claim 10, wherein, The aerosol - generating substrate is granular, and the density of a single particle in the aerosol - generating substrate is less than 1.2 g / cm 3 .
12. The aerosol generating system according to claim 11, wherein, The particle size of a single particle in the aerosol - generating matrix does not exceed 2.5 mm.
13. The aerosol generating system according to claim 1, wherein, The content of the tobacco - derived substance in the aerosol - generating matrix accounts for at least 35% of the total weight.
14. The aerosol generating system according to claim 13, wherein, The content of the atomizing agent in the aerosol - generating matrix accounts for at least 12% of the total weight.
15. The aerosol-generating system according to claim 14, wherein, The moisture content of the aerosol - generating matrix is not higher than 13%.
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