Heat-fired, non-combustion type aerosol generating product

Abstract

The present invention relates to a heat non-combustion type aerosol generating product, which comprises a filtration segment, an air flow passage segment, an aerosol generating material segment and a coating layer. The filtration segment, the air flow passage segment and the aerosol generating material segment are sequentially connected, and the coating layer is installed at least outside the air flow passage segment. At least one central duct is provided at the center of the air flow passage segment, and at least one secondary flow duct is installed between the air flow passage segment and the coating layer. The secondary flow duct is in air flow communication with the central duct. A first through hole is provided on the coating layer, and a second through hole is provided in the air flow passage segment. External gas flows through the first through hole into the second through hole and the secondary flow duct respectively and then enters the central duct. The present invention has a simple structure, extracts the aerosol generated in the aerosol generating material segment by using air, is installed as a double duct including a central duct and a secondary flow duct, and combines central intake and secondary flow intake, thereby stabilizing the aerosol extraction effect, increasing the extraction efficiency, increasing the concentration of the fragrance after extraction, and keeping the aerosol temperature relatively low.

Description

Technical Field

[0001] The present invention relates to the technical field of aerosol generation, and particularly to heated non-combustible aerosol generation products.

Background Art

[0002] Heated non-combustible aerosol generation products generate aerosols by heating aerosol generation materials without combustion. When such aerosol generation materials are inhaled with an electronic heating device, consumers can not only feel the aroma of the aerosol generation materials, but also significantly reduce unexpected substances generated during high-temperature combustion of conventional cigarettes due to the heating of heated non-combustible aerosol generation products under low-temperature conditions.

[0003] Currently, heated non-combustible aerosol generation products often extract by inhaling from the side to the central duct of the extraction member by the air-based aerosol extraction method. However, when inhaling and extracting from the center, the intake holes and the base material segment are separated by a certain distance, which affects the extraction effect.

Summary of the Invention

Problems to be Solved by the Invention

[0004] The technical problem to be solved by the present invention is to provide a heated non-combustible aerosol generation product with high aerosol extraction efficiency for the defects of the prior art.

Means for Solving the Problems

[0005] The technical solution used by the present invention to solve this technical problem is to construct a heated non-combustible aerosol generation product, and the heated non-combustible aerosol generation product includes a filtration segment, an air flow path segment, an aerosol generation material segment and a coating layer. The filtration segment, the air flow path segment and the aerosol generation material segment are sequentially connected, and the coating layer is installed at least outside the air flow path segment. At least one central duct is provided in the center of the airflow passage segment, and at least one secondary duct is installed between the airflow passage segment and the covering layer, and the secondary duct is in airflow communication with the central duct. On the coating layer at least one A first through-hole is provided, and the airflow passage segment At least one A second through-hole corresponding to the first through-hole is provided, and external air The fluid flows through the first through-hole, then through the second through-hole and the side duct, respectively, and into the central duct.

[0006] Preferably, the airflow passage segment is provided with a corrugated structure, and external air The fluid flows through the aforementioned wave structure and merges into the central duct.

[0007] Preferably, the waveform structure is Small It includes at least one groove, and at least one of the grooves forms the sideflow duct.

[0008] Preferably, at least one central hole is provided in the center of the airflow passage segment, and at least one of the central holes penetrates the airflow passage segment to form the central duct.

[0009] Preferably, a filtration member is provided within the central duct.

[0010] Preferably, the material of the filter member includes one of acetate fibers, polypropylene fibers, polylactic acid fibers, plant-derived polysaccharides, and plant-derived porous materials.

[0011] Preferably, the second through-hole is a tapered through-hole.

[0012] Preferably, the cross-sectional area of ​​the end of the second through-hole adjacent to the central duct is smaller than the cross-sectional area of ​​the end of the second through-hole adjacent to the coating layer.

[0013] Preferably, the coating layer includes side walls and a bottom wall, the side walls enclosing the sides of the airflow passage segment and the aerosol-generating material segment, and the bottom wall enclosing the end of the aerosol-generating material segment that is separated from the airflow passage segment.

[0014] Preferably, intake holes are provided in the bottom wall of the covering layer, and the intake holes are in airflow communication with the central duct. [Effects of the Invention]

[0015] The implementation of the present invention has the following beneficial effects. The present invention is installed as a double duct including a central duct and a side flow duct, and by combining the central intake and side flow intake, the aerosol extraction effect is stabilized, the extraction efficiency is increased, and the concentration of the fragrance after extraction is increased. The heated, non-combustible aerosol generating product has a simple structure, uses air to extract aerosols generated in the aerosol generating material segment, the air used to extract the aerosol does not need to flow through the aerosol generating material segment, the temperature is relatively low, it extracts aerosols and also has a cooling effect, the structure is simple, material costs are significantly reduced, and at the same time, the processing process is simpler and easier to operate, making it easier to industrialize. [Brief explanation of the drawing]

[0016] The present invention will be further described below with reference to the drawings and embodiments. [Figure 1] Figure 1 is a schematic diagram of the structure of one embodiment of the heat-activated, non-combustible aerosol generating product of the present invention. [Figure 2] Figure 2 is a schematic diagram of the structure of another embodiment of the heat-non-combustion type aerosol generating product of the present invention. [Figure 3] Figure 3 is a cross-sectional view of one embodiment of the airflow passage segment according to the present invention. [Modes for carrying out the invention]

[0017] To better understand the technical features, objectives, and effects of the present invention, specific embodiments of the invention will be described in detail below with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front," "back," "up," "down," "left," "right," "vertical," "horizontal," "vertical," "horizontal," "top," "bottom," "inside," "outside," "head," and "tail" are the directions or positional relationships shown in the drawings, and the purpose of configuring and operating in a specific direction is merely to facilitate the explanation of this technical invention, and does not indicate that the device or element being referred to must necessarily have a specific direction, and therefore should not be understood as limiting the present invention.

[0018] Furthermore, unless specifically defined and limited, terms such as “attachment,” “connection,” “bonding,” “fixing,” and “installation” should be understood broadly, for example, as fixed connections, removable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections via intermediate elements, internal communication between two elements, or interaction relationships between two elements. When one element is said to be located “above” or “below” another element, that element may be located “directly” or “indirectly” above the other element, or there may be one or more intermediate elements. Terms such as “first,” “second,” “third,” etc., are merely for the purpose of explaining this invention and should not be understood as indicating or implying relative importance or the number of technical features being indicated, thereby allowing features limited by “first,” “second,” “third,” etc., to explicitly or implicitly include one or more such features. Those skilled in the art will be able to understand the specific meaning of the above terms in this invention depending on the specific circumstances.

[0019] In the following description, for purposes of illustration and not limitation, specific details such as particular system architectures and technologies are proposed to thoroughly understand the embodiments of the present invention. However, as will be understood by those skilled in the art, the present invention can also be realized in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from hindering the description of the present invention.

[0020] FIGS. 1 to 2 are heat non-combustion aerosol generating products according to the present invention. The structure of the heat non-combustion aerosol generating product may be divided into three segments: a filtration segment 1, an air flow path segment 2, and an aerosol generating material segment 3. The filtration segment 1, the air flow path segment 2, and the aerosol generating material segment 3 are sequentially connected, and a coating layer 4 is provided outside thereof. That is, the filtration segment 1, the air flow path segment 2, and the aerosol generating material segment 3 after being sequentially connected are wrapped by the coating layer 4. The coating layer 4 shown in FIGS. 1 and 2 is in its unfolded state. The air flow path segment 2 may also be referred to as an aerosol extraction member and is intended to extract aerosol. It should be noted that it is sufficient that the coating layer 4 wraps at least the air flow path segment 2. In other embodiments, the filtration segment 1, the air flow path segment 2, and the aerosol generating material segment 3 may be wrapped with different packaging materials and then assembled together, and may be selected according to the actual situation, and the present application does not limit this.

[0021] Specifically, the material of the filtration segment 1 includes any one of materials such as acetate fiber, polypropylene fiber, paper filter rod, sheet tobacco, polylactic acid fiber, resin, plant polysaccharide, resin, and plant porous material, etc., to filter and adsorb aerosol, and realize the effect of improving the purity and comfort of the aerosol. As will be understood, the material of the filtration segment 1 may also include a combination of two or more of the above-mentioned materials.

[0022] At least one central duct 21 is provided at the center of the air flow passage segment 2, and further, at least one central duct 21 is installed through the center of the air flow passage segment 2 along the axial direction. At least one auxiliary duct 23 is installed between the air flow passage segment 2 and the coating layer 4, and the auxiliary duct 23 is in air flow communication with the central duct 21 and on the coating layer 4 at least one a first through hole 41 is provided, and in the air flow passage segment 2 At least one a second through hole 22 corresponding to the installation position of the first through hole 41 is provided, and the outside air flows through the first through hole 41 into the second through hole 22 and the auxiliary duct 23 respectively and then enters the central duct 21. The number of the first through holes 41 and the second through holes 22 is not specifically limited and may be adjusted according to the actual situation. As can be understood, the number of the first through holes 41 is usually equal to the number of the second through holes 22 and both are installed correspondingly. Specifically, the second through hole 22 is installed in the air flow passage segment 2, the second through hole 22 communicates with the central duct 21 to form an intake passage, and the second through hole 22 may be installed at any position of the air flow passage segment 2, and the intake passage communicates with the central duct 21 and the auxiliary duct 23 in the air flow passage segment 2.

[0023] Furthermore, the second through hole 22 may be a tapered through hole. It can be understood that the cross-sectional area of the end of the second through hole 22 close to the central duct 21 is smaller than the cross-sectional area of the end of the second through hole 22 close to the coating layer 4, and the inner surface area of the cross-section of the second through hole 22 is smaller than the outer surface area. The inner surface area refers to the cross-sectional area of the side of the second through hole 22 close to the central duct 21, and the outer surface area refers to the cross-sectional area of the side of the second through hole 22 close to the coating layer 4. A differential pressure is generated due to the difference between the inner surface area and the outer surface area, so that a part of the air flow Second through hole 22 flows from the coating layer 4 through the air flow passage segment 2 and merges into the central duct 21. In another embodiment, the second through hole 22 may be a rectangular through hole. In other embodiments, the second through hole 22 may be other polygonal through holes or circular or elliptical through holes, and the present invention does not limit this.

[0024] During smoking, lateral air is drawn in through the first through-hole 41, some of which flows downward along the side-flow duct 23 on the outer wall of the airflow passage segment 2, and then enters the central duct 21 at the confluence of the bottom of the airflow passage segment 2 and the aerosol-generating material segment 3, where it forms a negative pressure that extracts the aerosol generated in the aerosol-generating material segment 3. The remaining air enters the central duct 21 of the airflow passage segment 2 directly through the second through-hole 22, flows upward along the central duct 21, forms a negative pressure at the top of the central duct 21 that extracts the aerosol generated in the aerosol-generating material segment 3, and the aerosol extracted by these two parts flows through the filtration segment 1 and enters the smoker's mouth. The external airflow flows through two types of passages, the central duct 21 and the secondary duct 23, simultaneously extracting aerosols. Compared to extraction by a single central intake, the addition of secondary intake extraction brings the airflow closer to the aerosol-generating material segment 3, resulting in a higher extraction rate in this area, thereby improving the extraction rate. Furthermore, it maintains extraction by the central intake and avoids the secondary intake passage from being partially blocked by deformation of the aerosol-generating product due to processing or other causes, which can lead to instability in suction resistance.

[0025] Furthermore, a corrugated structure is provided in the airflow passage segment 2, and external air The air flows through the corrugated structure and merges into the central duct 21. As shown in Figure 3, the figure is a cross-sectional view of the airflow passage segment 2, and specifically, the corrugated structure includes at least one groove installed axially in the airflow passage segment 2, at least one groove forming a sub-duct 23, the corrugated structure is divided into an inner layer and an outer layer, and at least one groove is installed between the inner layer and the outer layer to form the sub-duct 23, and the embodiment includes several grooves, and the length of each groove is the length of the airflow passage segment 2The height of the corrugated structure is approximately equal to the height of the corrugated structure, and the few grooves are installed between the inner and outer layers to form a secondary flow duct 23. At least one central hole is provided in the center of the airflow passage segment 2, and at least one central hole penetrates the airflow passage segment 2 axially to form a central duct 21. The cross-sectional shape of the central duct 21 may be set to one of the following shapes: circular, rectangular, sawtooth, pentagram, elliptical, and honeycomb, in order to extract aerosols.

[0026] Furthermore, a filter member may be formed by selectively adding a filter material to the central duct 21 of the airflow passage segment 2 to filter the aerosol, and the material of the filter member may be acetate fiber, polylactic acid fiber, plant polysaccharide, or plant porous material. The aerosol generated in the aerosol generating material segment 3 flows through the filter material installed in the central duct 21 for primary filtration, and then the primary filtered aerosol flows through the filter segment 1 for secondary filtration, and finally enters the mouth of the smoker.

[0027] Furthermore, the aerosol-generating material segment 3 may also be called a substrate segment, and the material of the aerosol-generating material segment 3 may include one or more solid substrates such as threads, sheets, granules, powders, and pastes.

[0028] Furthermore, the shape of the coating layer 4 may be sheet-like or pipe-like, and the material of the coating layer 4 includes one or more of paper, tin foil, and aluminum foil. The coating layer 4 includes side walls and a bottom wall, the side walls enclosing the sides of the filtration segment 1, the airflow passage segment 2, and the aerosol generating material segment 3, and the bottom wall of the coating layer 4 enclosing the end of the aerosol generating material segment 3 that separates from the airflow passage segment 2.

[0029] Specifically, the coating layer 4 is a flexible sheet, formed by winding paper material, and may be in the form of a paper strip when unfolded. When bent, it can form a hollow column structure that completely encloses the filtration segment 1, the airflow passage segment 2, and the aerosol generating material segment 3. In another embodiment, the coating layer 4 may be in the form of a pipe, i.e., a pre-formed paper tube, and the pipe-shaped coating layer 4 is fitted over the filtration segment 1, the airflow passage segment 2, and the aerosol generating material segment 3.

[0030] Furthermore, the bottom wall of the coating layer 4 may be installed as a sealing structure, thereby sealing the bottom of the heated non-combustible aerosol generating product and preventing ventilation, allowing air to be drawn in only from the sides, and the aerosol generating material is heated in an oxygen-free environment and becomes purer. In another embodiment, an intake hole is provided in the bottom wall of the coating layer 4, and the intake hole communicates with the central duct 21 to allow air to be drawn in simultaneously from the bottom and sides of the heated non-combustible aerosol generating product, contributing to an increase in atomization amount, a reduction in inhalation resistance, and a reduction in the temperature entering the mouth when smoking.

[0031] As shown in Figure 1, in some embodiments, the filtration segment 1 has a length of 8 mm, is made of acetate fiber, and has a suction resistance of 320 Pa; the airflow passage segment 2 has a length of 25 mm, and a central duct 21 is provided that penetrates the center of the airflow passage segment 2 axially. The cross-section of the central duct 21 is circular, and its diameter is 4.0 mm. Airflow passage segment 2 material teeth paper quality Selectable Yes, the corrugated structure of the side duct 23 of the airflow passage segment 2 is specifically formed by curving and winding paper into an irregular corrugation in the central duct. 21 The outer layer is wrapped around the filtration segment 1, the airflow passage segment 2, and the aerosol generating material segment 3, all of which have grooves formed from irregularly corrugated paper with a depth of 0.1 mm to 2.0 mm. The covering layer 4 is made of paper and encloses the outer layers on three sides. The thickness of the covering layer 4 is 0.1 mm, and an intake hole for ventilation to the outside is provided at its bottom. Air is drawn in simultaneously from the bottom and sides, contributing to increased atomization, reduced suction resistance, and reduced temperature entering the mouth. A first through-hole 41 is provided on the coating layer 4, and a second through-hole 22 corresponding to the first through-hole 41 is provided in the airflow passage segment 2, the position of the second through-hole 22 is 20 mm away from the bottom of the aerosol-generating material segment 3, the second through-hole 22 communicates with the central duct 21, the inner cross-section of the second through-hole 22 that contacts one side of the central duct 21 is approximately circular and has a diameter of 0.45 mm, the outer cross-section of the second through-hole 22 that contacts one side of the coating layer 4 is approximately circular and has a diameter of 0.65 mm, there are four second through-holes 22, they may be uniformly spaced in the circumferential direction, or they may be installed at any position in the airflow passage segment 2, without specific limitations, the material of the aerosol-generating material segment 3 is tobacco flakes, i.e., sheet tobacco, and the length of the aerosol-generating material segment 3 is 12 mm.

[0032] As shown in Figure 2, in some other embodiments, the filtration segment 1 is 10 mm long, made of acetate fiber, and has a suction resistance of 500 Pa; the airflow passage segment 2 is 23 mm long, has eight grooves on its surface, each groove is 0.6 mm deep, and has a central duct 21 that penetrates axially through the center of the airflow passage segment 2, with the central duct 21 having a rectangular cross-section, specifically a square. Airflow passage segment 2The material is silica gel, the coating layer 4 is made of paper with a thickness of 0.15 mm, and the bottom has a sealed structure, so the bottom is sealed and ventilation is impossible, and air is drawn in only from the sides, the substrate inside the aerosol generating material segment 3 is heated in an oxygen-free environment and becomes purer, a first through hole 41 is provided on the paper coating layer 4, a second through hole 22 corresponding to the first through hole 41 is provided in the airflow passage segment 2, the position of the second through hole 22 is 25 mm away from the bottom of the aerosol generating material segment 3, the second through hole 22 communicates with the central duct 21, and The inner cross-section of the second through-hole 22 that contacts one side of the central duct 21 is approximately square, and the side length of the inner cross-section is 0.4 mm. The outer cross-section of the second through-hole 22 that contacts one side of the covering layer 4 is approximately square, and the diameter of the outer cross-section is 0.6 mm. There are six second through-holes 22, which may be uniformly spaced apart in the circumferential direction, or they may be installed at any position in the airflow passage segment 2. There are no specific limitations, but the material of the aerosol generating material segment 3 is shredded tobacco, and the length of the aerosol generating material segment 3 is 15 mm.

[0033] This invention is a central duct 21 and side flow duct 23 It is installed as a double duct including and, by combining central intake and sideflow intake, the aerosol extraction effect is stabilized, the extraction efficiency is increased, and the concentration of the aroma after extraction is increased. When smoking, the air flows through the airflow passage segments 2 Side flow duct formed by grooves on the surface 23 and airflow passage segments 2 A central duct formed by a central hole 21 Starting from there, the heated aerosol generation material segment 3 Aerosols generated can be extracted, and most of the air directly into the aerosol-generating material segment. 3 Aerosol-generating material segment that does not exchange heat through 3The substrate is relatively unaffected by turbulent airflow, the air entering through the airflow passage segment can dilute the high-temperature aerosol and perform a cooling effect, the aerosol temperature is relatively low, the temperature of the aerosol that reaches the lip can be maintained below 50°C, and the aerosol is purer. Furthermore, the structure of the aerosol generating product is simplified from a typical 4-segment type to a 3-segment type. Generally, a typical 4-segment type includes a substrate segment, an insulating segment, a cooling segment, and a filter segment. The present invention simplifies the above-mentioned cooling segment, insulating segment, and filter segment to one airflow passage segment 2 and one filtration segment 1, significantly simplifying the structure of the aerosol generating product, and the overall material cost is significantly reduced compared to 4-segment and 5-segment types. In addition, the processing process is simpler and easier to operate, making industrialization easier.

[0034] As should be understood, the above embodiments illustrate preferred embodiments of the present invention, and while the description is more specific and detailed, it should not be understood as limiting the scope of the patent of the present invention. It should be noted that those skilled in the art can freely combine the above technical features and make some modifications and improvements without departing from the concept of the present invention, all of which fall within the scope of protection of the present invention. Accordingly, any equivalent substitutions and modifications made to the claims of the present invention should all fall within the scope of application of the claims of the present invention.

Claims

1. A heating-non-combustion type aerosol generating product, The apparatus comprises a filtration segment (1), an airflow passage segment (2), an aerosol generating material segment (3), and a coating layer (4), wherein the filtration segment (1), the airflow passage segment (2), and the aerosol generating material segment (3) are sequentially connected, and the coating layer (4) is installed at least outside the airflow passage segment (2). At least one central duct (21) is provided in the center of the airflow passage segment (2), and at least one secondary flow duct (23) is installed between the airflow passage segment (2) and the covering layer (4), and the secondary flow duct (23) is in airflow communication with the central duct (21). A heating-non-combustion type aerosol generating product characterized in that at least one first through-hole (41) is provided on the coating layer (4), at least one second through-hole (22) corresponding to the first through-hole (41) is provided in the airflow passage segment (2), external air flows through the first through-hole (41) to the second through-hole (22) and the side-flow duct (23) respectively and enters the central duct (21), and the side-flow duct (23) communicates with the central duct (21) at the point where the bottom of the airflow passage segment (2) and the aerosol generating material segment (3) meet.

2. The heated, non-combustible aerosol generating product according to claim 1, characterized in that a corrugated structure is provided in the airflow passage segment (2), and external air flows through the corrugated structure and merges with the central duct (21).

3. The heated, non-combustible aerosol generating product according to claim 2, characterized in that the corrugated structure includes at least one groove, and at least one of the grooves forms the sideflow duct (23).

4. The heated, non-combustible aerosol generating product according to claim 1, characterized in that at least one central hole is provided in the center of the airflow passage segment (2), and at least one of the central holes penetrates the airflow passage segment (2) to form the central duct (21).

5. The heating-non-combustion type aerosol generating product according to claim 1, characterized in that a filtration member is provided in the central duct (21).

6. The heating-non-combustion type aerosol generating product according to claim 5, characterized in that the material of the filtration member includes one of acetate fiber, polypropylene fiber, polylactic acid fiber, plant-derived polysaccharide, and plant-derived porous material.

7. The heating-non-combustion type aerosol generating product according to claim 1, characterized in that the second through-hole (22) is a tapered through-hole.

8. The heating-non-combustion type aerosol generating product according to claim 7, characterized in that the cross-sectional area of ​​the end of the second through-hole (22) adjacent to the central duct (21) is smaller than the cross-sectional area of ​​the end of the second through-hole (22) adjacent to the coating layer (4).

9. The heating non-combustion type aerosol generating product according to claim 1, characterized in that the coating layer (4) includes a side wall and a bottom wall, the side wall enclosing the sides of the airflow passage segment (2) and the aerosol generating material segment (3), and the bottom wall enclosing the end of the aerosol generating material segment (3) that is separated from the airflow passage segment (2).

10. The heating-non-combustion type aerosol generating product according to claim 9, characterized in that an intake hole is provided in the bottom wall of the coating layer (4), and the intake hole is in airflow communication with the central duct (21).

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