RU2800502C1 - Aerosol generation - Google Patents

Abstract

FIELD: aerosol generation.

SUBSTANCE: aerosol-forming unit comprises: an aerosol-forming substrate; a heating layer, wherein the heating layer surrounds the concave part, and the aerosol-forming substrate is disposed in the concave part; and a cover layer covering at least a portion of the heating layer and an opening of the concave portion, wherein the aerosol-forming substrate is disposed between the heating layer and the cover layer; the through hole is provided at a position of the cover layer corresponding to the hole; and the heating layer is configured to generate eddy currents in the magnetic field to generate heat, so that the aerosol-forming substrate is heated to form aerosols.

EFFECT: preventing the burning taste or odour caused by heating the reusable heating layer and improving aerosol taste.

12 cl, 28 dwg

Description

FIELD OF TECHNOLOGY TO WHICH THE INVENTION RELATES

The present application relates to the field of evaporator technology, and in particular to an aerosol generating article.

BACKGROUND OF THE INVENTION

At present, the heating body of the non-combustion heating (HNB) product on the market is independent of the HNB product, and when used by the user, this heating body is inserted into the HNB product or wrapped around the outside of the HNB product so that the heating body is in direct contact with the product HNB, and the heating body is energized to generate heat to further heat the HNB product to cause the HNB product to generate inhalation aerosols. Since the HNB product is in direct contact with the heating body and the heating body needs to be reused, the dirt generated by the HNB product during use continuously accumulates and adheres to the heating body, it is difficult to clean, and after repeatedly heating the dirt generated HNB product, a burnt taste and smell may appear, which affects the consistency of taste.

SUMMARY OF THE INVENTION

The technical problem mainly solved by the present application is to provide an aerosol generating article to solve the problem that, in the prior art, the dirt adhering to the heating body during repeated heating affects the taste.

In order to solve the above technical problem, the technical solution adopted in the present application is to provide an aerosol-forming article that contains: an aerosol-forming substrate; a heating layer, wherein the heating layer surrounds the concave portion and the aerosol-forming substrate is disposed in the concave portion; and a cover layer covering at least a portion of the heating layer and an opening of the concave portion, wherein the aerosol-forming substrate is disposed between the heating layer and the cover layer; at a position of the cover layer that corresponds to the hole, a through hole is provided; and the heating layer is configured to generate eddy currents in the magnetic field to generate heat to heat the aerosol-forming substrate to form aerosols.

The concave part contains an annular side wall and a bottom wall, and the outer side of the annular side wall contains a suspension loop. The heating layer surrounds a plurality of concave portions, annular side walls of adjacent concave portions are spaced apart from each other, and adjacent concave portions share the same suspension loop.

The heating layer is provided with a first separating hole on a suspension loop shared by adjacent concave parts.

A second separating hole is provided on the cover layer, and the second separating hole and the first separating hole are respectively provided.

Each heating layer surrounds one concave portion, adjacent concave portions are spaced apart, and suspension loops of adjacent concave portions are spaced apart.

The aerosol-forming substrate is assembled to form a layered body, the bottom wall of the concave portion is attached to the lower surface of the aerosol-forming substrate, and the distance between the side wall of the concave portion and the side surface of the aerosol-forming substrate is 0.1 mm to 1.0 mm.

The thickness of the aerosol-forming substrate is 0.5 mm to 3 mm, and the depth of the concave portion is 0.5 mm to 3 mm.

The cross-sectional shape of the aerosol-generating substrate is a circle, and the diameter of the aerosol-generating substrate is 3.0 mm to 20 mm.

The thickness of the heating layer is from 0.05 mm to 0.3 mm. The heating layer is made of aluminum foil.

The thickness of the cover layer is from 0.02 mm to 0.1 mm; and the cover layer is made of aluminum foil. Advantageous effects of the present application are as follows: an aerosol generating article is provided which is different from the prior art, the aerosol generating article comprises: an aerosol generating substrate; a heating layer, wherein the heating layer surrounds the concave portion and the aerosol-forming substrate is disposed in the concave portion; and a cover layer covering at least a portion of the heating layer and an opening of the concave portion, wherein the aerosol-forming substrate is disposed between the heating layer and the cover layer; at the position of the cover layer which corresponds to the hole, a through hole is provided; and the heating layer is configured to generate eddy currents in the magnetic field to generate heat to heat the aerosol-forming substrate to form aerosols. According to the aerosol-generating article provided in the present application, eddy currents are generated in the magnetic current to generate heat, and the aerosol-generating substrate is further heated, thereby preventing the burning taste or odor caused by heating the reusable heating layer and improving aerosol taste.

BRIEF DESCRIPTION OF GRAPHICS

For a clearer description of the technical solutions in the embodiments of the present application, the accompanying drawings necessary to describe these embodiments are briefly presented below. Obviously, the accompanying graphics in the following description only show some embodiments of the present application, and those skilled in the art can still obtain other accompanying graphics from these accompanying graphics without creative effort.

In FIG. 1 is a block diagram of an aerosol generating device according to the present application;

in fig. 2 is a block diagram of a first embodiment of an aerosol generating article according to the present application;

in fig. 3 is a block diagram of a second embodiment of an aerosol generating article according to the present application;

in fig. 4 is a block diagram of a third embodiment of an aerosol generating article according to the present application;

in fig. 5 is a block diagram of a fourth embodiment of an aerosol generating article according to the present application;

in fig. 6 is a block diagram of a fifth embodiment of an aerosol generating article according to the present application;

in fig. 7 is another block diagram of a fifth embodiment of an aerosol generating article according to the present application;

in fig. 8 is a block diagram of a sixth embodiment of an aerosol generating article according to the present application;

in fig. 9 is another block diagram of a sixth embodiment of an aerosol generating article according to the present application;

in fig. 10 is a block diagram of an evaporative main unit according to the present application;

in fig. 11 is a block diagram of the mounting base according to the present application;

in fig. 12 is another block diagram of the mounting base in the evaporative main unit according to the present application;

in fig. 13 is a schematic partial cross-sectional view of the first embodiment of the evaporative main unit according to the present application;

in fig. 14a is a schematic cross-sectional view of one embodiment of a heating element in a first embodiment of an evaporative main unit according to the present application;

in fig. 14b is a schematic cross-sectional view of another embodiment of the heating element in the first embodiment of the evaporative main unit according to the present application;

in fig. 15 is a three-dimensional block diagram of a heating element in the first embodiment of an evaporative main unit according to the present application;

in fig. 16 is a block diagram of the heating circuit layer of the heating element in the first embodiment of the evaporative main unit according to the present application;

in fig. 17 is a diagram of the relationship between heating time and temperature of an aerosol generating article according to the present application;

in fig. 18 is a partial block diagram of a second embodiment of an evaporative main unit according to the present application;

in fig. 19 is a schematic partial cross-sectional view of a second embodiment of an evaporative main unit according to the present application;

in fig. 20 is a flow chart of an aerosol generating method according to the present application;

in fig. 21 is a block diagram of the air service component of the present application;

in fig. 22 is a schematic cross-sectional view of the air service component of the present application;

in fig. 23 is a schematic cross-sectional view of the top cover in the air communication component of the present application;

in fig. 24 is a schematic cross-sectional view of the bottom cover in the air communication component of the present application;

in fig. 25 is a schematic partial cross-sectional view of an aerosol generating device according to the present application;

in fig. 26 is a diagram of the direction of air flow in the air communication component according to the present application;

in fig. 27 is a block diagram of another aerosol generating device according to the present application; And

in fig. 28 is a block diagram of yet another aerosol generating device according to the present application.

DETAILED DESCRIPTION

The present application is further described in detail below with reference to the accompanying drawings and embodiments. In particular, it should be noted that the following embodiments are used only to describe the present application and not to limit the scope of the present application. Likewise, the following embodiments are only some, but not all, of the embodiments of the present application, and all other embodiments obtained without creative effort by those skilled in the art are within the scope of the present application.

The terms "first", "second" and "third" in this application are for the purpose of description only, and should not be understood as indicating or implying relative importance or implicitly indicating the number of these technical features. Therefore, the features defined by the terms "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "many" means at least two, such as two and three, unless otherwise specifically defined. All indications of directions (for example, "up", "down", "left", "right", "front", and "rear") in the embodiments of the present application are used only to clarify the relationships of relative positions, driving situations, and the like. between different components in a specific position (shown in the accompanying graphics). If that particular position is changed, the direction indications change accordingly. In embodiments of the present application, the terms "include", "have", and any variation thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device comprising a number of steps or blocks is not limited to the steps or blocks listed, but optionally also includes a step or block that is not listed, or optionally also includes another step or component inherent in the process, method, product or device.

The term "embodiment" as used herein means that certain features, structures, or characteristics described with reference to that embodiment may be included in at least one embodiment of the present application. This term, as used throughout this specification, may not refer to the same embodiment or to an independent or alternative embodiment that is mutually exclusive with another embodiment. A person skilled in the art, whether explicitly or implicitly, understands that the embodiments described herein may be combined with other embodiments.

As shown in FIG. 1 in FIG. 1 is a block diagram of an aerosol generating device according to the present application. The aerosol generating device comprises an aerosol generating article 1, an air communication component 2, and an evaporative main unit 3. The evaporative main unit 3 includes a heating element 31, the heating element 31 is located at the end of the evaporative main unit 3 adjacent to the air communication component 2, and the aerosol generating article 1 is located at the end of the evaporative main unit 3 next to the air communication component 2. That is, the aerosol generating article 1 is located between the air communication component 2 and the evaporation main unit 3, and the aerosol generating article 1 is in contact with the heating element 31.

The aerosol generating article 1 is secured by connecting and securing between the air communication component 2 and the evaporative main unit 3.

In particular, the air communication component 2 and the evaporative main unit 3 can be fixed and connected by magnetic attraction. That is, to realize the connection by magnetic attraction, magnetic elements are arranged on the air communication component 2 and the evaporative main unit 3, respectively, or to realize the connection by magnetic attraction, a magnet is located on one element of the air communication component 2 and the evaporative main unit 3, and on the other of of these elements, the metal element is suitably located. The air communication component 2 and the evaporative main unit 3 can be fixed and connected by carabiners. That is, a protrusion is provided on the air communication component 2 to realize a carabiner connection, and a groove is appropriately provided on the evaporative main unit 3, or a protrusion is provided on the evaporation main unit 3 to realize a carabiner connection, and a groove is appropriately provided on the air communication component 2. The connection method between the air communication component 2 and the evaporative main unit 3 is designed according to requirements and is not limited in this application.

As shown in FIG. 2 in FIG. 2 is a block diagram of a first embodiment of an aerosol generating article according to the present application.

The aerosol forming article 1 comprises an aerosol forming substrate 11 and an encapsulating layer 12. The enclosing layer 12 covers at least a portion of the aerosol forming substrate 11 such that the enclosing layer 12 isolates the aerosol forming substrate 11, from the heating element 31. The aerosol generating article 1 is a replaceable and disposable product. The area of the aerosol-forming substrate 11 covered by the encapsulating layer 12 is selected according to the specific embodiment, provided that the enclosing layer 12 can isolate the aerosol-generating substrate 11 from the heating element 31, that is, provided that the substrate The aerosol generating substrate 11 and the heating element 31 cannot be in direct contact due to the coating of the area of the aerosol generating substrate 11 with the encapsulating layer 12.

The heating element 31 is configured to heat the enclosing layer 12, and the enclosing layer 12 conducts heat to the aerosol-forming substrate 11 in the aerosol-forming article 1 to form aerosols, that is, the aerosol-forming article 1 is heated in a resistive manner . Alternatively, the heating element 31 is an electromagnetic element such as an electromagnetic coil, and the encapsulating layer 12 generates eddy currents in the magnetic field of the electromagnetic element to generate heat to heat the aerosol-forming substrate 11 to form aerosols, that is, the product 1 forming aerosol is heated electromagnetically. When the aerosol-forming article 1 is electromagnetically heated, the jacketing layer 12 is a heating layer, and this heating layer generates eddy currents in the magnetic field of the heating element 31 (electromagnetic element) to generate heat to heat the aerosol-forming substrate 11, with the formation of aerosols.

When the aerosol-forming article 1 is heated in a resistive manner, the encapsulating layer 12 has a uniform thermal conductivity characteristic and can be made of glasses, ceramics, or metals as long as requirements are met. That is, the encapsulating layer 12 may be a metal layer, a ceramic layer, or a glass layer. It can be understood that the aerosol-forming substrate 11 can be heated uniformly due to the uniform heat conduction characteristic of the jacketing layer 12, thereby helping to improve the quality consistency, that is, the taste consistency, of the aerosols. When the aerosol generating article 1 is electromagnetically heated, the encapsulating layer 12 is made of a metal such as aluminum foil, which can generate heat in a magnetic field.

The aerosol forming article 1 is said to comprise an aerosol forming substrate 11 and an encapsulating layer 12 and an enclosing layer 12 covering at least a portion of the aerosol forming substrate 11 such that the enclosing layer 12 isolates the substrate 11 aerosol-generating substrate 31. Therefore, the heating element 31 is prevented from being in direct contact with the aerosol-generating substrate 11, that is, the aerosol residues are prevented from adhering to the heating element 31 when the heating element 31 heats the aerosol-generating substrate 11 to generate aerosols, and further prevents the problem that residual aerosols adhering to the heating element 31 are difficult to clean. The taste of the aerosols is not affected even if the heating element 31 is reused, thereby improving the user experience. In addition, the enclosing layer 12 covers at least a portion of the aerosol-forming substrate 11, after the aerosol-forming substrate 11 is used up, the enclosing layer 12 and the aerosol-forming substrate 11 are discarded together and replaced with a new one. aerosol generating article 1, so that the replacement of the aerosol generating substrate 11 is more convenient, quick and clean.

In a particular implementation, the aerosol-forming substrate 11 may be in the form of a powder, fibers, or may form a pouch through collection. When the aerosol-forming substrate 11 is in the form of a powder or fibers, the shape of the aerosol-forming substrate cannot be fixed. In this case, a mold is required for laying the encapsulating layer 12 into the mold, and the mold is then filled with an aerosol-forming substrate 11 to subsequently obtain an aerosol-forming article 1 of a predetermined shape. When the aerosol-forming substrate 11 is a bag, it is more convenient to assemble the aerosol-forming substrate 11 and the encapsulating layer 12 to form the aerosol-forming article 1. In addition, as required, the aerosol generating substrate 11 can be configured as a columnar body, a layered body, or another shape, and the desired shape of the aerosol generating article 1 is further obtained. In the following description, the aerosol-forming substrate 11 is described as a package.

It can be understood that at least a portion of the jacketing layer 12 covering the aerosol-forming substrate 11 is for isolating the aerosol-forming substrate 11 from the heating element 31 to provide a relatively high heating efficiency, and a portion of the jacketing layer 12 is attached to substrate 11, forming an aerosol.

In the first embodiment of the aerosol-forming article 1, the aerosol-forming substrate 11 is assembled to form a columnar body, and the encapsulating layer 12 is found to be in the form of a hollow column and covers the side surface of the aerosol-forming substrate 11.

For example, the enclosing layer 12 may be in the form of a sheet to form a hollow column by wrapping; or enclosing layer 12 may be in the form of a tape to form a hollow column by spiral wrapping. In this embodiment, the aerosol generating article 1 may be heated in a resistive manner, or may be heated in an electromagnetic manner, as specifically selected according to requirements. It can be understood that the side surface of the aerosol-generating substrate 11 in this embodiment is a heating surface, and its lower surface is an aerosol-generating surface.

For example, the columnar body formed by the aerosol-generating substrate 11 by collecting may be a cylinder, a triangular prism, or a quadrilateral prism, and the size of the structure of the encapsulating layer 12 and the size of the structure of the aerosol-generating substrate 11 are arranged in an interactive manner, provided that that the encapsulating layer 12 completely covers the side surface of the aerosol-forming substrate 11.

In order to provide a relatively high heating efficiency, the encapsulating layer 12 is attached to the side surface of the aerosol generating substrate 11.

When the aerosol-forming article 1 is electromagnetically heated, the heating element 31 is an electromagnetic element, the jacketing layer 12 is a heating layer, and this heating layer generates eddy currents in the magnetic field of the electromagnetic element to generate heat to heat the substrate 11, forming an aerosol, with the formation of aerosols. The heating layer surrounds the columnar structure and forms an open loop, and the aerosol-forming substrate 11 is disposed in the columnar structure. In particular, the heating layer is arranged in a twisted manner and surrounds the containing space, and this containing space is adapted to receive the aerosol-generating substrate 11. The heating layer contains the first end and the second end opposite the first end, while the first end and the second end are located opposite each other. The surface of the heating layer that is in contact with the aerosol-generating substrate 11 is the surface of the inner wall of the containing space, and the surface of the heating layer that is not in contact with the aerosol-forming substrate 11 is the surface of the outer wall of the containing space. Both the first end and the second end of the heating layer are at a distance from the surface of the inner wall and the surface of the outer wall of the containing space.

In one embodiment, the aerosol forming substrate 11 is assembled to form a columnar body, the heating layer surrounds the side surface of the aerosol forming substrate 11 and surrounds the hollow tubular body, and a recess is provided on the side wall of the hollow tubular body so that the heating layer forms an open loop. That is, the first end and the second end of the heating layer are opposite each other and are at a distance from each other. The two opposite ends of the hollow tubular body are open ends, and the heating layer covers the side surface of the aerosol-forming substrate 11, which structure is shown in FIG. 2. The recess extends from one end of the hollow tubular body to the other end in the axial direction of the hollow tubular body.

In another embodiment, the heating layer is in the form of a rectangular sheet, the heating layer is arranged in a twisted manner, surrounding one end thereof, to form a hollow columnar body, and there is a gap between two opposite sides of the heating layer, so that the heating layer forms an open circuit, while this the structure is shown in Fig. 2. It can be understood that the cross-sectional shape of the aerosol-forming substrate 11 may be a circle or a triangle. When the cross-sectional shape of the aerosol-generating substrate 11 is a circle, the diameter of the aerosol-generating substrate 11 is 3.0 mm to 20 mm. The heating layer is made of aluminum foil or copper foil, and the thickness of the heating layer is from 0.05mm to 0.3mm.

When the aerosol generating article 1 is heated in a resistive manner, the encapsulating layer 12 in the structure shown in FIG. 2 may form a closed loop or an open loop, which is specifically designed in accordance with the requirements.

As shown in FIG. 3, in FIG. 3 is a block diagram of a second embodiment of an aerosol generating article according to the present application.

In the second embodiment of the aerosol-forming article 1, the aerosol-forming substrate 11 is assembled to form a columnar body. For example, the aerosol-forming substrate 11 may be in the form of a cylinder, a triangular prism, or a quadrangular prism. An insertion groove 111 is provided on the aerosol-forming substrate 11, the encapsulating layer 12 is located in the insertion groove 111 and covers the inner wall of the insertion groove 111, and the heating element 31 is inserted into the cavity 120 surrounded by the encapsulating layer 12. B In this embodiment, the aerosol generating article 1 is heated in a resistive manner. It can be understood that in this embodiment, the surface of the inner wall of the groove 111 for inserting the aerosol-generating substrate 11 is a heating surface, and the outer surface of the aerosol-generating substrate 11 can be used as the aerosol-generating surface, which is specifically designed according to with requirements. In one embodiment, the encapsulating layer 12 may alternatively be folded into a multilayer structure and then inserted into the aerosol forming substrate 11. During use, the sheet heating element 31 is inserted into the layers of the jacketing layer 12, thereby preventing the heating element 31 from being in contact with the aerosol-forming substrate 11.

As shown in FIG. 4 in FIG. 4 is a block diagram of a third embodiment of an aerosol generating article according to the present application.

In the third embodiment of the aerosol-forming article 1, the aerosol-forming substrate 11 is assembled to form a layered body, and the encapsulating layer 12 and the aerosol-forming substrate 11 are stacked and twisted together into a column shape or a shape like column, such as the shape of a spring roll, so that the outer surface of the aerosol-forming substrate 11 is wrapped with the jacketing layer 12, and the jacketing layer 12 is also located inside the aerosol-forming substrate. That is, the encapsulating layer 12 comprises a first end and a second end, the second end being rolled to surround the first end to form a bead shape, and the aerosol forming substrate 11 filling the gap of the rolled encapsulating layer 12. For example, the transverse the section of the layered aerosol forming substrate 11 may be square or rectangular, and the column formed by the aerosol forming substrate 11 and the wrapping layer 12 by twisting may be a cylinder, a triangular prism or a quadrangular prism. In this embodiment, the aerosol generating article 1 may be heated in a resistive manner, or may be heated in an electromagnetic manner, as specifically selected according to requirements.

It can be understood that the side surface of the column formed by the aerosol-generating substrate 11 and the wrapping layer 12 by twisting is a heating surface, and its bottom surface is an aerosol-generating surface. The size of the structure of the encapsulating layer 12 and the size of the structure of the layered aerosol-forming substrate 11 are co-located such that the encapsulating layer 12 and the aerosol-forming substrate 11 are twisted together, and the enclosing layer 12 isolates the aerosol-forming substrate 11 , from heating element 31.

When the aerosol-forming article 1 is electromagnetically heated, the heating element 31 is an electromagnetic element, the jacketing layer 12 is a heating layer, and this heating layer generates eddy currents in the magnetic field of the electromagnetic element to generate heat to heat the substrate 11, forming an aerosol, with the formation of aerosols. The heating layer surrounds the columnar structure and forms an open loop, and the aerosol-forming substrate 11 is disposed in the columnar structure. Specifically, the aerosol-generating substrate 11 is assembled to form a column-shaped body, the heating layer is in the form of a rectangular sheet, one side of the heating layer is located on the side surface of the aerosol-generating substrate 11, the heating layer is twisted; and the other side of the heating layer is located inside the aerosol-forming substrate 11 to form an open loop (as shown in FIG. 4). That is, the aerosol forming substrate 11 covers the heating layer, the second end of the heating layer is positioned to surround the first end thereof, the first end of the heating layer is twisted and located inside the aerosol forming substrate 11, and the second end of the heating layer is located on the outside of the substrate. 11 forming an aerosol. The surface of the inner wall of the containing space is the first surface 127 of the heating layer, and the part of the heating layer that is twisted inside the aerosol-forming substrate 11 is the second surface 128. The surface of the outer wall of the containing space is the part of the heating layer that is not twisted inside the substrate 11 that forms aerosol, and is not in contact with the aerosol-forming substrate 11. The first end of the heating layer and the surface of the inner wall of the containing space are at a distance from each other, and the second end of the heating layer and the surface of the outer wall of the containing space are at a distance from each other.

As shown in FIG. 5 in FIG. 5 is a block diagram of a fourth embodiment of an aerosol generating article according to the present application.

In the fourth embodiment of the aerosol generating article 1, the aerosol generating substrate 11 is assembled to form a layered body, and the encapsulating layer 12 covers the entire outer surface of the aerosol generating substrate 11. In addition, on the enclosing layer 12, on one side of the aerosol-forming substrate 11 away from the heating element 31, a first through hole 121 is provided for releasing aerosols. In this embodiment, the aerosol generating article 1 may be heated in a resistive manner, or may be heated in an electromagnetic manner, as specifically selected according to requirements.

For example, the cross section of the layered aerosol forming substrate 11 may be a circle, a square, or a rectangle, as specifically designed according to requirements. It can be understood that in this embodiment, since the encapsulating layer 12 covers the entire outer surface of the aerosol-forming substrate 11, all surfaces of the aerosol-forming substrate 11 in contact with the encapsulating layer 12 are heating surfaces, and the surface of the aerosol-generating substrate 11, which corresponds to the first through hole 121 provided on the enclosing layer 12, is an aerosol-generating surface.

As shown in FIG. 6 and FIG. 7 in FIG. 6 is a block diagram of a fifth embodiment of an aerosol generating article according to the present application, and FIG. 7 is another block diagram of a fifth embodiment of an aerosol generating article according to the present application.

In the fifth embodiment of the aerosol-forming article 1, the aerosol-forming substrate 11 is assembled to form a layered body. For example, the cross section of the layered aerosol forming substrate 11 may be a circle, a square, or a rectangle, as specifically designed according to requirements. The jacketing layer 12 covers the surface of one side of the aerosol-forming substrate 11 next to the heating element 31 to isolate the aerosol-forming substrate 11 from the heating element 31. That is, the jacketing layer 12 surrounds the concave portion 122, and the substrate 11 forming aerosol is located in the concave portion 122. The concave portion 122 includes an annular side wall and a bottom wall, and the outer side of the annular side wall includes a hanging loop 1221 for connecting the aerosol generating article 1 to the evaporative main unit 3.

It can be understood that in this embodiment, the surface of the aerosol-forming substrate 11 that is in contact with the encapsulating layer 12 is a heating surface, and all surfaces other than the surface in contact with the enclosing layer 12 are on aerosol-generating substrate 11 are aerosol-generating surfaces that are specifically designed according to requirements. That is, the bottom surface of the aerosol generating substrate 11 is attached to the bottom wall of the concave portion 122, and the side surface of the aerosol generating substrate 11 may or may not be in contact with the annular side wall of the concave portion 122, as specifically designed according to requirements. In this embodiment, the aerosol generating article 1 may be heated in a resistive manner, or may be heated in an electromagnetic manner, as specifically selected according to requirements.

In one embodiment, the plurality of aerosol generating articles 1 are independent of each other. As shown in FIG. 6, the wrapping layers 12 of a plurality of aerosol-forming articles 1 are independent of each other. Specifically, each encapsulating layer 12 surrounds one concave portion 122, a plurality of encapsulating layers 12 surround a plurality of concave portions 122, an aerosol-forming substrate 11 is disposed in each concave portion 122, and adjacent concave portions 122 are spaced apart from each other. friend. For ease of assembly of the aerosol generating article 1 into the aerosol generating device, in addition to covering the surface of the side of the aerosol generating substrate 11 adjacent to the heating element 31, the wrapping layer 12 of the aerosol generating article 1 is additionally folded towards the side surface of the substrate 11 forming an aerosol to form a hanging loop 1221 so that the aerosol forming article 1 is connected to the evaporative main unit 3. In this embodiment, the hanging loops 1221 of adjacent concave portions 122 are at a distance from each other. That is, the encapsulating layer 12 is folded over to form the concave portion 122, and the aerosol generating substrate 11 is disposed in the concave portion 122. 0.1 mm to 1.0 mm. Optionally, the distance between the annular side wall of the concave portion 122 and the side surface of the aerosol generating substrate 11 is 0.2 mm to 0.3 mm. To improve the heating efficiency, the bottom surface of the aerosol forming substrate 11 is attached to the bottom wall of the concave portion 122.

In another embodiment, for ease of assembling a plurality of aerosol generating articles 1 into an aerosol generating device, the plurality of aerosol generating articles 1 has been found to be a one-piece structure. That is, the encapsulating layers 12 of the plurality of aerosol forming articles 1 are a solid layer structure, and as shown in FIG. 7, a plurality of aerosol forming articles 1 form an integral structure by an encapsulating layer 12. In particular, there are a plurality of concave portions 122 surrounded by an enclosing layer 12. That is, the enclosing layer 12 is folded to form a plurality of spaced concave parts 122, and an aerosol-forming substrate 11 is disposed in each of a plurality of concave parts 122. The annular side walls of adjacent concave parts 122 are spaced from each other so that adjacent aerosol-forming substrates 11 are independent of each other. Therefore, adjacent aerosol-forming substrates 11 can be heated independently, and adjacent aerosol-forming substrates 11 do not affect each other during heating. Suspension loops 1221 adjacent concave parts 122 contain a common part. In addition, in order to improve the heating efficiency, the hanging loop 1221 is provided with a first separation hole 123 serving as a common part between adjacent concave portions 122 on the encasing layer 12, and the heat conduction between adjacent concave portions 122 is reduced due to air thermal insulation, so that the interference between adjacent aerosol-forming substrates 11 is reduced to the maximum extent during heating. For improved aerosol release, the distance between the annular side wall of the concave portion 122 and the side surface of the aerosol generating substrate 11 is 0.1 mm to 1.0 mm. Optionally, the distance between the annular side wall of the concave portion 122 and the side surface of the aerosol generating substrate 11 is 0.2 mm to 0.3 mm. To improve the heating efficiency, the bottom surface of the aerosol forming substrate 11 is attached to the bottom wall of the concave portion 122.

As shown in FIG. 8 and FIG. 9, in FIG. 8 is a block diagram of a sixth embodiment of an aerosol generating article according to the present application, and FIG. 9 is another block diagram of a sixth embodiment of an aerosol generating article according to the present application.

In the sixth embodiment of the aerosol generating article 1, the structure of the aerosol generating article 1 is basically the same as in the fifth embodiment, and the difference is that the aerosol generating article further comprises a cover layer 13.

In the sixth embodiment of the aerosol-forming article 1, the aerosol-forming substrate 11 is assembled to form a layered body. For example, the cross section of the layered aerosol forming substrate 11 may be a circle, a square, or a rectangle, as specifically designed according to requirements. The encapsulating layer 12 covers the surface of one side of the aerosol-forming substrate 11 next to the heating element 31 to isolate the aerosol-forming substrate 11 from the heating element 31. That is, the enclosing layer 12 surrounds the concave portion 122 and the substrate 11 forming aerosol is located in the concave portion 122. The concave portion 122 includes an annular side wall and a bottom wall, and the outer side of the annular side wall includes a hanging loop 1221 for connecting the aerosol generating article 1 to the evaporative main unit 3. The cover layer 13 covers at least the part of the enclosing layer 12 and the opening of the concave part 122, and the aerosol forming substrate 11 are located between the enclosing layer 12 and the cover layer 13. At the position of the cover layer 13 corresponding to the opening of the concave part 122, a second through hole 131 is provided, and the second through hole 131 is configured to release aerosols. That is, the cover layer 13 is located on the surface of the encapsulating layer 12 and covers the concave part 122, and the second through hole 131 is provided at the position of the cover layer 13 which corresponds to the concave part 122. The main function of the cover layer 13 is to fix the aerosol-forming substrate 11, in the concave portion 122, and the cover layer 13 is secured to the encapsulating layer 12 by rivets or wrapping or using a high temperature adhesive. The cover layer 13 is made of a metallic material. Optionally, the material of the cover layer 13 is aluminum foil. The thickness of the cover layer is from 0.02 mm to 0.1 mm. Optionally, the thickness of the cover layer is from 0.02 mm to 0.05 mm.

It can be understood that in this embodiment, the surface of the aerosol forming substrate 11 that is in contact with the encapsulating layer 12 is a heating surface, and all surfaces other than the surface in contact with the enclosing layer 12 are on aerosol-generating substrate 11 are aerosol-generating surfaces that are specifically designed according to requirements. That is, the bottom surface of the aerosol generating substrate 11 is attached to the bottom wall of the concave portion 122, and the side surface of the aerosol generating substrate 11 may or may not be in contact with the annular side wall of the concave portion 122, as specifically designed according to requirements. In this embodiment, the aerosol generating article 1 may be heated in a resistive manner, or may be heated in an electromagnetic manner, as specifically selected according to requirements.

In one embodiment, the plurality of aerosol generating articles 1 are independent of each other. That is, the enclosing layers 12 of the plurality of aerosol forming articles 1 are independent of each other, and the cover layers 13 of the plurality of aerosol forming articles 1 are independent of each other. As shown in FIG. 8, one enclosing layer 12 surrounds one concave part 122, and one cover layer 13 covers one concave part 122. In particular, the way of arranging the enclosing layer 12 is the same as the way of arranging the enclosing layer 12 in the article 1 , which forms an aerosol, shown in Fig. 6, and the contact relationship between the encapsulating layer 12 and the aerosol forming substrate 11 is the same as the contact relationship between the enclosing layer 12 and the aerosol forming substrate 11 in the aerosol forming article 1 shown in FIG. . 6, which is not described in detail in this document.

In another embodiment, for ease of assembling a plurality of aerosol generating articles 1 into an aerosol generating device, the plurality of aerosol generating articles 1 has been found to be a one-piece structure. That is, the envelope layers 12 of the plurality of aerosol forming articles 1 are a solid layer structure, the cover layers 13 of the plurality of aerosol forming articles 1 are a solid layer structure, and as shown in FIG. 9, a plurality of aerosol forming articles 1 form an integral structure by means of the encapsulating layer 12 and the cover layers 13. aerosol shown in Fig. 7 and the contact relationship between the encapsulating layer 12 and the aerosol forming substrate 11 is the same as the contact relationship between the enclosing layer 12 and the aerosol forming substrate 11 in the aerosol forming article 1 shown in FIG. . 6, which is not described in detail in this document. In contrast to the aerosol generating article 1 shown in FIG. 7 in the aerosol generating article 1 shown in FIG. 9, the cover layer 13 covers a plurality of concave portions 122, and a second aerosol release through hole 131 is provided at a position of the cover layer 13 that corresponds to the concave portion 122. A second separating hole 132 is provided on the cover layer 13 corresponding to the first separating hole 123, and the thermal conductivity between adjacent concave portions 122 decreases due to the air thermal insulation, so that interference between adjacent aerosol-forming substrates 11 during heating is reduced to the maximum extent.

In the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment and the sixth embodiment of the aerosol forming article 1, the enclosing layer 12 is made of a metal material. Optionally, the material of the encapsulating layer 12 is copper foil or aluminum foil. In order to achieve a relatively high heating efficiency, the thickness of the encasing layer 12 has been found to be between 0.05 mm and 0.3 mm. Optionally, the thickness of the enclosing layer 12 is between 0.1 mm and 0.15 mm.

In the first embodiment and the second embodiment of the aerosol generating article 1, the largest distance between two points on the cross section of the columnar aerosol generating substrate 11 is 0.5 mm to 3 mm, so that the aerosol generating substrate 11 can be better heated and it was possible to prevent local heating of the aerosol-forming substrate 11 for a long time. In the third embodiment, the fourth embodiment, the fifth embodiment and the sixth embodiment of the aerosol generating article 1, the thickness of the aerosol forming substrate sheet 11 was found to be 0.5 mm to 3 mm. The thinner thickness indicates that the surface of the aerosol generating substrate 11 further away from the encapsulating layer 12 can be heated better, as well as the shorter time during which the aerosol generating substrate 11 is heated and consumed. Therefore, it is possible to prevent the aerosol-generating substrate 11 from being locally heated for a long time, and further, it is possible to prevent the appearance of a burnt smell from affecting the taste. Optionally, the thickness of the aerosol forming substrate 11 is between 1.0 mm and 2.0 mm.

In the fourth embodiment, the fifth embodiment and the sixth embodiment of the aerosol generating article 1, the cross-sectional shape of the sheet aerosol generating substrate 11 is a circle, and the diameter of the aerosol generating substrate 11 is found to be 3.0 mm to 20 mm. Optionally, the diameter of the aerosol forming substrate 11 is between 8.0 mm and 12.0 mm.

In the following description, the aerosol generating article 1 adopts the structure of the sixth embodiment shown in FIG. 9.

As shown in FIG. 10 in FIG. 10 is a block diagram of an evaporative main unit according to the present application.

The evaporative main unit 3 further comprises a housing 30, a mounting base 32, a controller 33, and a power supply 34. Housing 30 includes mounting space 300. Mounting base 32 is located in mounting space 300 and is open at one end of housing 30 to come into contact with air communication component 2 to form evaporative cavity 24 (as shown in FIG. 25). The mounting base 32 is provided with at least one mounting portion 320, the mounting portion 320 is configured to mount the aerosol generating article 1, and the heating element 31 is positioned in correspondence with the mounting portion 320 and configured to heat the aerosol generating article 1. The controller 33 and the power supply 34 are located in the mounting space 300 and placed on the same side of the mounting base 32 remote from the air communication component 2, and the controller 33 controls the power supply 34 to supply power to the heating element 31. It can be understood that in the mounting part 320 can be located one or more products 1, forming an aerosol. Alternatively, one aerosol generating article 1 can be located in one mounting part 320, that is, the number of mounting parts 320 and the number of heating elements 31 are equal to the number of aerosol generating articles 1, which is specifically designed according to the requirements. The following description is presented using an example in which one aerosol generating article 1 is located in one mounting portion 320.

As shown in FIG. 11 and FIG. 12, in FIG. 11 is a block diagram of a mounting base in an evaporative main unit according to the present application, and FIG. 12 is another block diagram of the mounting base in the evaporative main unit according to the present application. In a specific embodiment, the fact that at least one mounting portion 320 is formed on the mounting base 32 may mean that at least one groove 321 is formed on the mounting base 32. One groove 321 is used as one mounting portion 320, and the inner the space formed by the groove 321 is the mounting position of the aerosol generating article 1 (as shown in FIG. 11). That is, the groove 321 is used as the mounting portion 320 and is configured to receive the aerosol generating article 1. Alternatively, a plurality of projections 322 may be provided on the mounting base 32, the space surrounded by the plurality of projections 322 is the mounting position of the aerosol generating article 1, and the space surrounded by the plurality of projections 322 is used as one mounting portion 320 (as shown in FIG. 12). The positioning method of the mounting portion 320 can be made as required, provided that the aerosol generating article 1 can be fixed.

In order to improve the heating efficiency, a gap is present between the side surface of the aerosol generating article 1 and the inner side surface of the mounting part 320 to realize air heat insulation, and to realize air heat insulation between the heating element 31 and the surface of the inner wall of the groove 321, the heating element 31 and the inner side surface of the mounting portion 320 are at least partially spaced apart, so that the heat of the heating element 31 for heating the aerosol generating article 1 is mostly absorbed by the aerosol generating article 1, and only a small part of the heat is conducted into the mounting base 32, whereby heat losses are reduced.

As shown in FIG. 13, in FIG. 13 is a schematic partial cross-sectional view of the first embodiment of the evaporative main unit according to the present application.

In the first embodiment of the evaporative main unit 3, as the mounting portion 320, a groove 321 is formed on the mounting base 32. That is, the mounting portion 320 forms a groove 321, and the aerosol generating article 1 and the heating element 31 are disposed in the groove 321. Specifically, the groove 321 includes a containment cavity (not shown in the figure), and the containment cavity is configured to receive an aerosol generating article 1. The heating element 31 is disposed in the groove 321, and the heating element 31, when voltage is applied, generates heat to heat the aerosol generating article 1. Specifically, the heating element 31, when energized, generates heat to heat the jacketing layer 12, and the jacketing layer 12 conducts heat to the aerosol-forming substrate 11 to generate aerosols. That is, the aerosol-forming article 1 is heated in a resistive manner. In order to improve the heating efficiency, the heating element 31 is attached to the enclosing layer 12 of the aerosol generating article 1. It can be understood that one or more heating elements 31 may be disposed in the mounting portion 320 as long as the aerosol generating article 1 is heated uniformly as specifically selected according to requirements. The following will be described using an example in which a single heating element 31 is disposed in the mounting portion 320.

In one embodiment, a plurality of aerosol generating articles 1 are disposed, a mounting base 32 is provided with a plurality of mounting portions 320, and a heating element 31 and an aerosol generating article 1 are disposed in each mounting portion 320. That is, a plurality of grooves 321 are provided on the mounting base 32, one groove 321 is used as one mounting portion 320, and one aerosol generating article 1 is disposed in one groove 321. The evaporative main unit 3 includes a plurality of heating elements 31, and one heating element 31 is arranged in correspondence with one mounting portion 320. That is, one heating element 31 is disposed in one groove 321. The pin of the heating element 31 is electrically connected to a power source 34 outside the housing cavity. To connect to the power source 34, the pin of the heating element 31 bypasses the containing cavity, or to connect to the power source 34, the pin of the heating element 31 passes through the bottom wall of the groove 321.

In order to uniformly heat the aerosol generating article 1, the protrusion of the aerosol generating article 1 on the heating element 31 at least covers a portion of the heating element 31. That is, the surface area of the heating element 31 in contact with the aerosol generating article 1 is greater than the surface area heating element 31, so that the heating element 31 evenly heats the entire cross section of the aerosol-forming article 1, which helps to maintain a constant taste.

Since the aerosol generating article 1 and the heating element 31 are located in the groove 321 formed on the mounting base 32, the heating element 31 heats the aerosol generating article 1 in the groove 321. To improve the heating efficiency and reduce heat loss, the mounting base 32 is made of material with low thermal conductivity and high thermal resistance, such as ceramics or foams. In this embodiment, the mounting base 32 is made of ceramic with low thermal conductivity and high thermal resistance.

To avoid interference between adjacent grooves 321, a third separation hole 323 is provided on the mounting base 32 to further reduce heat loss between adjacent grooves 321.

In order to further improve the heating efficiency for realizing air thermal insulation, there is a gap between the side surface of the aerosol-forming article 1 and the side surface of the groove 321. To realize air thermal insulation between the heating element 31 and the inner wall surface of the groove 321, the heating element 31 and the inner wall surface of the groove 321 are at least partially spaced apart so that the heat of the heating element 31 for heating the aerosol generating article 1 is mostly absorbed by the aerosol generating article 1, and only a small part of the heat is conducted into the mounting base 32, thereby reducing heat loss .

In one embodiment, the heating element 31 includes a heating body 311 and a mounting foot 312 rigidly connected to the heating body 311. The heating body 311 is connected to the side surface of the groove 321 through the mounting foot 312, that is, the heating body 311 is fixed in the groove 321 by the mounting support protrusion 312. In addition, the heating body 311 and the bottom surface of the groove 321 are spaced from each other to realize air thermal insulation. It can be understood that a smaller contact area between the mounting protrusion 312 and the side surface of the groove 321 is more conducive to reducing heat loss, provided that the mounting protrusion 312 can fix the heating body 311 to the side surface of the groove 321. 321 is the same for a plurality of grooves 321.

In another embodiment, a bulge 3211 is provided on the bottom surface of the groove 321, and the heating element 31 is positioned on the bulge 3211. The bulge 3211 is in contact with a portion of the heating element 31, and the heating element 31 and the side surface of the groove 321 are at least partially spaced apart. from each other to implement air thermal insulation.

It can be understood that a smaller contact area between the bulge 3211 and the heating element 31 is more conducive to reducing heat loss, provided that the bulge 3211 can secure the heating element 31 in the groove 321. The method of attachment between the heating element 31 and the groove 321 is the same for a plurality of grooves 321.

In this embodiment, in order to secure the position of the heating element 31 and prevent vibration of the heating element 31 in the groove 321, the heating element 31 includes a heating body 311 and a mounting support projection 312 rigidly connected to the heating body 311. The heating body 311 and the side surface of the groove 321 are at a distance from each other, the heating body 311 is connected to the side surface of the groove 321 by the mounting support protrusion 312, and the heating body 311 and the bottom surface of the groove 321 are at a distance from each other. A bulge 3211 is provided on the bottom surface of the groove 321, and the heating body 311 is connected to the bulge 3211. That is, the heating body 311 is fixed in the groove 321 by the mounting support protrusion 312 and the bulge 3211. The fixing method between the heating element 31 and the groove 321 is the same for multiple grooves 321.

The heating element 31 has been found to be capable of raising the temperature to 500° C. within 3 seconds, so that the heating element 31 can cause the aerosol forming substrate 11 in the aerosol forming article 1 to quickly reach its volatilization temperature in order to release aerosols. In addition, the heating efficiency is generally improved by using the high thermal conductivity performance of the encapsulating layer 12 in the aerosol forming article 1, a feature of the fast thermal conductivity of the aerosol forming substrate 11, due to the performance of the thin thickness, low thermal conductivity and high thermal stability of the assembly. base 32 and air insulation between the mounting base 32 and the heating element 31 with the product 1, forming an aerosol. Therefore, the aerosol-forming substrate 11 in the aerosol-forming article 1 can rapidly release aerosols.

As shown in FIG. 14a, fig. 14b and fig. 15, in FIG. 14a is a schematic cross-sectional view of one embodiment of a heating element in the first embodiment of an evaporative main unit according to the present application, FIG. 14b is a schematic cross-sectional view of another embodiment of the heating element in the first embodiment of the evaporative main unit according to the present application, and FIG. 15 is a three-dimensional block diagram of a heating element in the first embodiment of an evaporative main unit according to the present application.

The heating element 31 includes a heating body 311 and a mounting support protrusion 312. The heating body 311 includes a heat conductive base layer 319, a heating circuit layer 315, and an electrode 317. That is, the heating element 31 includes a heat conduction base layer 319, a heating circuit layer 315, and an electrode 317 The thermally conductive base layer 319 has a first surface and a second surface that are opposed to each other, and the second surface of the thermally conductive base layer 319 is configured to be in contact with the aerosol generating article 1. The heating circuit layer 315 is located on the first surface of the thermally conductive base layer 319. The heating circuit layer 315 is located on the first surface of the thermally conductive base layer 319 so that the entire surface of the thermally conductive base layer 319 has a uniform temperature. That is, the entire surface of the heat conductive base layer 319 is a high temperature area. An electrode 317 is located on the surface of one side of the heating circuit layer 315 remote from the heat conductive base layer 319 and is electrically connected to the heating circuit layer 315.

The heating element 31 further comprises a pin 317a in which one end of the pin 317a is connected to the electrode 317 and the other end of the pin is configured to be connected to the power source 34.

In the prior art, a larger portion of the heating element is inserted into the aerosol generating substrate and a smaller portion of the heating element is exposed to the outside of the aerosol generating substrate. The portion of the heating element inserted into the aerosol-generating substrate forms a high temperature region for heating the aerosol-generating substrate. The portion exposed to the outside of the aerosol-forming substrate forms a low temperature region for ease of positioning the wire support assembly points. A wire area for arranging wires is provided in the low temperature area for realizing the electrical connection between the heating element and the controller. The heating element adopts an arrangement consisting of a high temperature region, a low temperature region, and a wire region, and the low temperature region, which has poor temperature uniformity, is used as the support assembly points. The entire surface of the heating element 31 in the present application is a high temperature region that has a uniform temperature, and the assembly of the electrode 317 is carried out in the high temperature region.

The heating body 311 of the heating element 31 in the present application is a sheet structure. The heating body 311 is found to be a sheet structure, so that the heating element 31 and the aerosol generating article 1 are in contact in a large scale manner. Therefore, the aerosol-forming article 1 is heated evenly and the flavor is maintained constant. The heating circuit layer 315 generates heat and conducts heat to the heat conductive base layer 319. To improve heat utilization of the heating circuit layer 315, the thickness of the heat conduction base layer 319 is 0.1 mm to 1.0 mm. Optionally, the thickness of the thermally conductive base layer 319 is 0.2 mm. The shape of the thermally conductive base layer 319 may be made into a circle or a square as required.

The thermally conductive base layer 319 may be made of a thermally conductive ceramic material. The heating element 31 further includes a protective layer 316, and the protective layer 316 is disposed on the surface of the side of the heating circuit layer 315 remote from the heat conductive base layer 319 (as shown in Fig. 14a). The shape of the protective layer 316 is made in accordance with the shape of the thermally conductive base layer 319, and the material of the protective layer 316 includes the characteristics of high hardness and high thermal resistance to protect the heating circuit layer 315 and improve the high thermal resistance of the heating circuit layer 315. Optionally, the material of the protective layer 316 is a ceramic glaze.

Alternatively, the thermally conductive base layer 319 may be made of a metallic material. The heating element 31 further comprises an insulating layer 314 and a protective layer 316. The insulating layer 314 is located between the heat conductive base layer 319 and the heating circuit layer 315, and the protective layer 316 is located on the surface of one side of the heating circuit layer 315 remote from the insulating layer 314, that is, the protective layer 316 is located on the surface of the side of the heating circuit layer 315 remote from the thermally conductive base layer 319 (as shown in Fig. 14b). Specifically, the heat conductive base layer 319 is made of a high thermal conductivity metal material such as stainless steel, copper alloy, or aluminum alloy. Such a material has high strength and toughness, is difficult to break, and has high reliability, so that the temperature field of the thermally conductive base layer 319 has high uniformity under a rapid heating condition. Optionally, the material of the thermally conductive base layer 319 is 430 grade stainless steel. The shapes of the insulating layer 314 and the protective layer 316 are made in accordance with the shape of the thermally conductive base layer 319. The material of the protective layer 316 includes the characteristics of high hardness and high thermal resistance to protect the heating circuit layer 315 and improve high thermal stability layer 315 of the heating circuit. Optionally, the material of the protective layer 316 is a ceramic glaze.

Since the heating body 311 is attached to the aerosol generating article 1, only the surface of the heating body 311 is in contact with the aerosol generating article 1, that is, only the second surface of the heat conductive base layer 319 is in contact with the aerosol generating article 1. the layer 314 does not have to be located on the first surface and the second surface of the thermally conductive base layer 319, and furthermore, the protective layer 316 does not have to be located on these two surfaces, thereby simplifying the processing procedure.

To further increase the area of contact between the heating element 31 and the aerosol generating article 1, the second surface of the thermally conductive base layer 319 is found to be an arcuate surface structure, and the corresponding surface of the aerosol generating article 1 in contact with the second surface of the thermally conductive base layer. layer 319 is found to be an arcuate surface. That is, the surface of the aerosol generating article 1 in contact with the heating element 31 is an arcuate surface. In addition, the bending direction and bending degree of the surface of the aerosol generating article 1 in contact with the heating element 31 and the bending direction and bending degree of the heat conductive base layer 319 are cooperatively set.

In addition, the heating circuit layer 315 generates heat and conducts heat to the thermally conductive base layer 319. In order to ensure that the temperature of the entire surface of the thermally conductive base layer 319 is uniform in temperature, the first surface of the thermally conductive base layer 319 is also found to be an arcuate surface, and the bending direction and the bending degree of the first surface are the same as the bending direction and the bending degree of the second surface. That is, the first surface of the thermally conductive base layer 319 is found to be an arcuate surface structure corresponding to the second surface. In one embodiment, the protrusion direction of the first surface and the second surface is the direction away from the electrode 317. In another embodiment, the protrusion direction of the first surface and the second surface is the direction of approach to the electrode 317.

It can be understood that when the thermally conductive base layer 319 is made of a metallic material, and the first surface and the second surface of the thermally conductive base layer 319 are arcuate surface structures, in order to ensure uniform temperature of the entire surface of the thermally conductive base layer 319, the cross section of the insulating layer 314 is arcuate, and the bending direction and bending degree of the arc are the same as the bending direction and bending degree of the second surface of the heat conductive base layer 319. The insulating layer 314 can still maintain relatively satisfactory high temperature insulation stability and performance.

Mounting protrusion 312 is disposed on the thermally conductive base layer 319. Specifically, a plurality of spaced mounting protrusions 312 are disposed at the periphery of the thermally conductive base layer 319, and the mounting protrusion 312 is configured to secure the heating element 31. The contact length ratio between the mounting protrusion 312 and the side surface of the heat conductive base layer 319 to the circumference of the side surface is less than 1:12. The smaller contact area between the mounting pad 312 and the heat conductive base layer 319 indicates less heat conducted by the heating body 311 to other components via the mounting pad 312 and is more conducive to reducing heat loss of the heating element 31 provided that the size of the mounting pad the protrusion 312 may secure the heating body 311.

It can be understood that the mounting support protrusion 312 may be formed by the periphery of the thermally conductive base layer 319 by extending outward. Optionally, the thickness of the mounting foot 312 is less than the thickness of the thermally conductive base layer 319, so that the amount of heat conducted by the heating body 311 to other components through the mounting foot 312 can be reduced, which helps to reduce the heat loss of the heating element 31. The heating element 31 is installed in the groove 321 through the mounting support protrusion 312, and the thermally conductive base layer 319 and the side wall of the groove 321 form an air gap to improve energy utilization of the heating element 31 through air thermal insulation.

The heating circuit layer 315 in the heating element 31 includes a temperature coefficient of resistance characteristic (TCR), and the heating circuit layer 315 is electrically connected to the controller 33 via an electrode 317. The temperature of the heating circuit layer 315 can rise to 500°C in 3 seconds. The entire layer 315 of the heating circuit is a region of high temperature. Assembly of the electrode 317 located on the heating circuit layer 315 is carried out in a high temperature region.

As shown in FIG. 16, in FIG. 16 is a block diagram of the heating circuit layer of the heating element in the first embodiment of the evaporative main unit according to the present application.

The heating circuit layer 315 is a heating circuit, and the structures formed by bending the heating circuit include a first section 3151, a second section 3152, and a third section 3153. each other. The second section 3152 and the third section 3153 are located in the area surrounded by the first section 3151, the second section 3152 and the third section 3153 are connected to the first section 3151, and the structures surrounded by the second section 3152 and the third section 3153 are arranged symmetrically. Specifically, two ends of the second section 3152 are respectively connected to two end portions of one of the first recesses 3154 of the first section 3151, and two ends of the third section 3153 are respectively connected to two end portions of the other of the first recesses 3154 of the first section 3151. There are two electrodes 317, with In this, one electrode 317 is connected to the second section 3152 and the other electrode 317 is connected to the third section 3153.

For example, the cross section of the thermally conductive base layer 319 is a circle. The first section 3151 layer of the heating circuit is located near the edge of the insulating layer 314 with the formation of the shape of a circular ring and contains two first recesses 3154, located opposite each other. The second section 3152 and the third section 3153 are located in a circular ring surrounded by the first section 3151, the second section 3152 and the third section 3153 respectively have the shape of a triangle and form the second recess 3155 at the vertex angle, and the triangles surrounded by the second section 3152 and the third section 3153 are located symmetrical. The two end portions of the second recess 3155 of the second section 3152 are respectively connected to the two end portions of one of the first recesses 3154 of the first section 3151, and the two end portions of the second recess 3155 of the third section 3153 are respectively connected to the two end portions of the other of the first recesses 3154 of the first section 3151.

In the first embodiment of the evaporative main unit 3, the controller 33 controls the operation of the heating element 31 to heat the aerosol generating article 1 in the mounting portion 320 corresponding to the heating element 31.

In particular, the controller 33 may control the simultaneous operation of a plurality of heating elements 31 or control the sequential operation of a plurality of heating elements 31, as specifically designed according to requirements. When the controller 33 controls the sequential operation of the plurality of heating elements 31, the aerosol-forming articles 1 in the plurality of mounting portions 320 are heated sequentially. That is, after controlling the heating of one aerosol-generating article 1 by one heating element 31, the controller 33 continues to control the heating of the next aerosol-generating article 1 by the next heating element 31. The total operating time during which the controller 33 controls each heating element 31 is is the first preset duration, and the first preset duration is the time for which the aerosol generating substrate 11 is consumed in the aerosol generating article 1.

The total heating duration of the plurality of aerosol generating articles 1 is equal to the total heating duration of a conventional non-burning heating (HNB) product, and the total number of times that aerosols can be inhaled after heating of the plurality of aerosol generating articles 1 is equal to the number of times that the aerosols can be inhaled after heating a traditional HNB product. The conventional HNB product is replaced by a plurality of aerosol forming articles 1, the thickness of the aerosol forming substrate 11 in the aerosol forming article 1 is found to be 0.5 mm to 3 mm in order to reduce the shape volume of the aerosol forming substrate, and a plurality of articles The aerosol-forming 11 are heated successively, so that the aerosol-forming substrate 11 can be prevented from heating locally for a long time, and the influence of the appearance of a burnt smell on the taste can be further prevented, thereby improving the consistency of the taste.

In one embodiment, the controller 33 controls the early actuation of the next heating element 31 before the total operating time of the current heating element 31 reaches the first preset duration. Specifically, the controller 33 controls the operation of the next heating element 31 when the total operation time of the current heating element 31 reaches the second preset duration and the second preset duration is less than the first preset duration. The difference between the second preset duration and the first preset duration is 5 seconds to 15 seconds. Optionally, the difference between the second preset duration and the first preset duration is 10 seconds.

The controller 33 controls the operation of the next heating element 31 when the total operation time of the current heating element 31 reaches the second preset duration, so that the next aerosol generating article 1 is preheated in advance when the heating of the current aerosol generating article 1 comes to an end, and the amount of aerosols emitted is relatively stable, whereby a sharp decrease in the amount of aerosols emitted is prevented, and this helps to improve the user experience.

In one embodiment, the controller 33 detects the interruption of the heating process of the current heating element 31, and controls the actuation of the next heating element 31 after the controller 33 detects the interruption of the heating process of the current heating element 31 and that the total operation time of the interrupted heating element 31 has reached the third preset duration. Until the operation of the heating element 31 reaches the first preset duration, the aerosol-generating article 1 continues to be heated by residual heat after the heating is interrupted, whereby a small amount of the aerosol-generating substrate may be consumed. To prevent unproductive burning of the heating element 31, the third preset duration is shorter than the second preset duration. The difference between the third preset duration and the second preset duration is 1 second to 5 seconds. That is, when the controller 33 controls the operation of the plurality of heating elements 31, the controller first detects whether there is an interruption of the heating element 31 during heating. If it is, the controller first activates the interrupted heating element 31, that is, first heats the aerosol generating article 1 which is not consumed, and causes the next aerosol generating article 1 to be preheated by the next heating element 31 when the total time heating of the interrupted heating element 31 reaches the third preset duration.

As shown in FIG. 17, in FIG. 17 is a diagram of the relationship between heating time and temperature of an aerosol generating article according to the present application.

The continuous operation time during which the controller 33 controls the first heating element 31 is the first preset duration. The first preset duration of the first heating element 31 includes a first time period, a second time period, and a third time period. The controller 33 controls the first heating element 31 to cause the temperature of the aerosol-forming substrate 11 in the aerosol-forming article 1 to rise from a first temperature to a second temperature during a first period of time, to cause the temperature of the aerosol-forming substrate 11 to decrease in the aerosol-forming article 1. aerosol, from the second temperature to the third temperature during the second period of time, ensuring that the aerosol-forming substrate 11 in the aerosol-forming article 1 is maintained at the third temperature during the third period of time, and the heating is stopped at the end of the third period of time.

The first preset duration of the first heating element 31 further includes a fourth time period. The fourth period of time is between the first period of time and the second period of time, and during the fourth period of time, the aerosol-forming substrate 11 in the aerosol-forming article 1 is maintained at the second temperature.

The first time period is 5 seconds to 7 seconds, the second time period is 3 seconds to 5 seconds, the third time period is 22 seconds to 25 seconds, and the fourth time period is 3 seconds to 4 seconds. The first temperature is 20°C to 30°C, the second temperature is 300°C to 350°C, and the third temperature is 220°C to 280°C. Optionally, the first temperature is 25°C, the second temperature is 330°C, and the third temperature is 250°C. The third temperature is the temperature at which the aerosol-forming substrate 11 can release aerosols.

In one embodiment, the first preset duration is the continuous operation time during which the controller 33 controls the second heating element 31, the third heating element 31, and the fourth heating element 31 other than the first heating element 31. The first preset duration of the second heating element 31, the third heating element 31 and the fourth heating element 31, different from the first heating element 31, includes a fifth time period and a sixth time period. The controller 33 controls the heating element 31 to cause the temperature of the aerosol-forming substrate 11 in the aerosol-forming article 1 to rise from a first temperature to a third temperature in a fifth time period, to maintain the aerosol-forming substrate 11 in the aerosol-forming article 1, at the third temperature during the sixth period of time and cessation of heating at the end of the sixth period of time. The fifth time period is 2 seconds to 5 seconds, and the sixth time period is 25 seconds to 28 seconds.

The aerosol generating substrate 11 in the first aerosol generating article 1 is heated to a second temperature that is higher than the aerosol generating temperature (third temperature) of the first heating element 31 during the first period of time, which contributes to the rapid release of aerosols by the aerosol generating substrate 11. Therefore, when the user inhales through the aerosol generating device, the aerosols are inhaled for the shortest possible time, thereby improving the user's experience of use. It can be understood that since the preheating of the next aerosol generating article 1 by the next heating element 31 is provided when the heating of the current heating element 31 comes to an end, the second heating element 31, the third heating element 31 and the fourth heating element 31, different from the first heating element 31 need not first raise the temperature of the aerosol-forming substrates 11 in the respective second aerosol-forming article 1, third aerosol-forming article 1, and fourth aerosol-forming article 1 to a second temperature and then lowering to a third temperature. temperature, and, conversely, to increase the temperature of these aerosol-forming substrates directly to a third temperature. This is because when the heating of the heating element 31 comes to an end, most of the aerosol-generating substrate 11 in the corresponding aerosol-generating article 1 is consumed, and the concentration of generated aerosols decreases. In order to ensure a constant concentration of aerosols to be emitted to ensure a constant taste, heating of the next aerosol generating article 1 by the next heating element 31 to emit aerosols is provided when the heating of the heating element 31 comes to an end.

It can be understood that after controlling the operation of one heating element 31 for a second preset duration, the controller 33 controls the operation of the next heating element 31. In this case, the next heating element 31 corresponds to the aerosol generating article 1 which is not heated. That is, after the controller 33 detects that the aerosol-generating substrate 11 in the aerosol-generating article 1 has been heated for a first preset duration, the controller 33 no longer controls the operation of the corresponding heating element 31 to prevent the heating element 31 from unproductively burning, and unproductive energy costs. The numbers of mounting parts 320, heating elements 31, and aerosol generating articles 1 are set accordingly and designed according to requirements.

As shown in FIG. 18 and FIG. 19, in FIG. 18 is a partial block diagram of a second embodiment of an evaporative main unit according to the present application; and FIG. 19 is a schematic partial cross-sectional view of a second embodiment of an evaporative main unit according to the present application.

In the second embodiment of the evaporative main unit 3, the structure of the evaporative main unit 3 is basically the same as the structure in the first embodiment, the functions and control method of the controller 33 are the same as in the first embodiment, and the difference lies in the structure of the heating element 31 and relationship of positions between the heating element 31 and the mounting part 320. In the second embodiment, the aerosol generating product 1 disposed on the evaporative main unit 3 may be the aerosol generating product 1 shown in FIG. 5-9.

In this embodiment, the heating element 31 is an electromagnetic element, and this electromagnetic element is configured to provide an alternating magnetic field.

Specifically, the electromagnetic element comprises an electromagnetic coil, the jacketing layer 12 is a heating layer, and this heating layer generates eddy currents in the magnetic field of the electromagnetic element to generate heat to heat the aerosol-forming substrate 11 to form aerosols. That is, eddy currents are generated when the alternating magnetic field generated by the electromagnetic coil penetrates the metal heating layer, so that the metal heating layer generates heat and heats the aerosol-forming substrate 11. The electromagnetic coil is wound horizontally to form a disk-type structure. That is, after fixing one end of the electromagnetic coil, the other end of the electromagnetic coil is wound along the outer side of the electromagnetic coil. The electromagnetic coil is located on the bottom surface of the groove 321, the side surface of the electromagnetic coil and the side surface of the groove 321 are at a distance from each other, and the electromagnetic coil and the aerosol generating article 1 are at a distance from each other.

An aerosol generating method is provided based on the operation method by which the controller 33 controls the heating element 31. As shown in FIG. 20 in FIG. 20 is a flow chart of an aerosol generation method according to the present application.

The steps of the aerosol generating method are as follows:

S01: Providing a plurality of aerosol forming articles and a plurality of heating elements.

In particular, the aerosol generating articles 1 and the heating elements 31 are arranged accordingly. That is, the number of aerosol generating articles 1 is equal to the number of heating elements 31, and one heating element 31 heats one aerosol generating article 1.

The aerosol forming article 1 comprises an aerosol forming substrate 11 and an encapsulating layer 12. The enclosing layer 12 covers at least a portion of the aerosol forming substrate 11 such that the enclosing layer 12 isolates the aerosol forming substrate 11, from heating element 31.

The heating element 31 includes a high resistance wire, and this high resistance wire heats the jacketing layer 12 so that the jacketing layer 12 heats the aerosol forming substrate 11 to generate aerosols. That is, the heating element 31 heats the jacketing layer 12 so that the jacketing layer 12 heats the aerosol-forming substrate 11 to generate aerosols. Alternatively, the heating element 31 comprises an electromagnetic coil, the electromagnetic coil and the jacketing layer 12 (the jacketing layer 12 is a heating layer) generate heat by the magnetic field of the electromagnetic coil, and the jacketing layer 12 heats the aerosol-forming substrate 11 to aerosol formation. In order to increase the heating efficiency of the heating element 31, the jacketing layer 12 is attached to the heating element 31.

S02: The controller controls the sequential operation of a plurality of heating elements.

In particular, the controller 33 controls the successive heating of the aerosol-forming articles 1 by the plurality of heating elements 31. All of the plurality of heating elements 31 operate for a first preset duration, and the controller 33 is further configured to control the operation of the next heating element 31 when the heating element 31 runs for a second preset duration. The second preset duration is less than the first preset duration.

In this method, the method by which the controller 33 controls the heating element 31 may implement the functions of the controller 33 described above, which is not described in detail here.

As shown in FIG. 21-25, in Fig. 21 is a block diagram of the air communication component of the present application, FIG. 22 is a schematic cross-sectional view of the air communication component of the present application, FIG. 23 is a schematic cross-sectional view of the top cover in the air communication component of the present application, FIG. 24 is a schematic cross-sectional view of the bottom cover in the air communication component of the present application, and FIG. 25 is a schematic partial cross-sectional view of an aerosol generating device according to the present application.

The air communication component 2 comprises a top cover 21 and a bottom cover 22. The top cover 21 is provided with a first cavity 211 and a second cavity 212 that communicate with each other. An opening 231 is provided on the wall of the second cavity 212 to let air out for inhalation by the user. The bottom cover 22 includes a bottom cover main body 221 and a protrusion 222 provided on the bottom cover main body 221, the bottom cover main body 221 being located in the first cavity 211 and the protrusion 222 being provided in the second cavity 212. The protrusion 222 is provided with a channel 23 for air release.

The bottom cover 22 is configured to come into contact with one end of the evaporative main unit 3 provided with the aerosol generating product 1 to form a evaporative cavity 24. That is, the air communication component 2 comes into contact with the evaporative main unit 3 to form an evaporative cavity 24. The product 1, which generates an aerosol, is located at one end of the evaporative main unit 3 next to the air communication component 2, and the product 1, which generates an aerosol, is located in the evaporative cavity 24. In particular, the main part 221 of the bottom cover includes a first surface 2211 and a second surface 2212, located opposite the first surface 2211. A protrusion 222 is provided on the first surface 2211, the second surface 2212 includes a recess 2213, and the recess 2213 comes into contact with the end of the evaporative main unit 3 provided with the aerosol generating article 1 to form an evaporative cavity 24.

The bottom cover main body 221 and the top wall of the first cavity 211 are spaced apart to form an air inlet 25 .

That is, an air inlet 25 is formed between the lower cover 22 and the upper cover 21, the air inlet 25 communicates the evaporator cavity 24 with outside air, and the air outlet 23 communicates the evaporator cavity 24 with the air outlet 231.

The air inlet 25 is formed between the upper cover 21 and the lower cover 22. In this way, during the inhalation by the user, external cold air continuously flows into the air inlet 25, and heating in the air inlet 25 is carried out in the process of air flow towards the evaporator. cavity 24 so that the top cover 21 is cooled, that is, the outer wall of the air communication component 2 is cooled, and the cooling efficiency is improved, thereby preventing the user from being burned due to high temperature.

In order to allow external air to flow from one end of the gap between the top cover 21 and the bottom cover 22 to the other end of the gap after the air communication component 2 enters, an air inlet hole 251 is provided on the side wall of the first cavity 211.

The wall of the second cavity 212 includes a top wall and an annular side wall, and an air outlet 231 is provided on the top wall of the second cavity 212. The upper surface of the protrusion 222 is adjacent to the upper wall of the second cavity 212, the annular side wall of the second cavity 212 and the side surface of the protrusion 222 are spaced apart, and a shield sheet 26 is provided between the annular side wall of the second cavity 212 and the side surface of the protrusion 222. The shield sheet 26 divides the cavity formed by the protrusion 222 with the second cavity 212 and the first cavity 211 by coming into contact into the first space 261 and the second space 262. External air enters the first space 261 through the air inlet 251 and enters the second space 262 from of the first space 261 in the direction of passage of the projection 222. It can be understood that the shield sheet 26 may be located on the side surface of the projection 222, or may be located on the annular side wall of the second cavity 212.

As shown in FIG. 25, in this embodiment, the shield sheet 26 is located on the side surface of the protrusion 222. In particular, the shield sheet 26 is located on two sides of the protrusion 222. of the shield sheet 26 extends onto the main body 221 of the bottom cover, and a portion of the shield sheet 26 abuts the surface of the inner wall of the first cavity 211. 212 and the first cavity 211 by engaging into first space 261 and second space 262.

In one embodiment, one end of the shield sheet 26 adjacent to the second cavity 212 abuts the top wall of the second cavity 212, and the end of the shield sheet 26 adjacent to the second cavity 212 is provided with a recess 263 for communicating the first space 261 with the second space 262. The size of the recess 263 is made in meeting the requirements for inhalation resistance and airflow.

In another embodiment, one end of the shield sheet 26 adjacent to the second cavity 212 is adjacent to the top wall of the second cavity 212, and the end of the shield sheet 26 adjacent to the second cavity 212 is provided with a through hole to communicate the first space 261 with the second space 262. The size of the through hole is made in meeting the requirements for inhalation resistance and airflow.

In yet another embodiment, there is a gap between one end of the shield sheet 26 adjacent to the second cavity 212 and the top wall of the second cavity 212 to communicate the first space 261 with the second space 262. The distance (gap) between the end of the shield sheet 26 adjacent to the second cavity 212 and the top wall of the second cavity 212 is 4 mm to 7 mm, and the size of the gap is made in accordance with the requirements for inhalation resistance and air flow.

In one embodiment, the bottom cover 22 further comprises a resilient member 223. The resilient member 223 is located on the bottom cover body 221 and is configured to compress the aerosol generating article 1 such that the aerosol generating article 1 is tightly attached to the heating element 31 in the evaporative chamber. main block 3. A mounting hole 2214 is provided on the bottom wall of the recess 2213 of the bottom cover body 221, and the mounting hole 2214 is configured to mount the elastic member 223. That is, the size of the structure and the positioning method of the mounting hole 2214 and the size of the structure and the positioning method of the elastic member 223 are established in an interactive manner.

The surface of the elastic member 223 near the aerosol generating article 1 is provided with a recess 2231, and the air outlet of the aerosol generating article 1 is opened into the recess 2231, that is, the aerosols vaporized by the aerosol generating article 1 are emitted in the recess 2231. recess 2231 contains a through hole or recess to allow aerosols in recess 2231 to enter the evaporation cavity 24.

On the bottom cover body 221, a plurality of resilient members 223 are disposed, with one resilient member 223 located in correspondence with the protrusion 222, and the remaining resilient members 223 are disposed on the bottom cover main portion 221 in a direction away from the protrusion 221. On the resilient member 223, furthest from the ledge 222, a first communication hole 2232 is provided, configured to communicate the air inlet channel 25 with the evaporation cavity 24. The second communication hole 2233 is provided on the resilient member 223, is positioned cavity 24 with a channel 23 for air release.

It can be understood that the elastic member 223 is located on the bottom cover main body 221, at least one recess 2231 is provided on one side of the elastic member 223 adjacent the aerosol generating article 1, the recess 2231 is provided in accordance with the aerosol generating article 1, and on the side wall of the recess 2231 is provided with a notch or through hole for engaging with the aerosol generating article 1 to form an evaporative cavity 24. A second communication hole 2233 is provided at a position of the elastic member 223 that corresponds to the protrusion 222 to communicate the evaporative cavity 24 with the channel 23 for air release. At the position of the resilient member 223 corresponding to the aerosol generating article 1 which is furthest from the protrusion 222, a first communication hole 2232 is provided to communicate the air inlet channel 25 with the evaporation cavity 24.

As shown in FIG. 26, in FIG. 26 is a diagram of the direction of air flow in the air communication component according to the present application.

After entering the air communication component through the air inlet 251, external air enters the second space 262 from the first space 261 through the recess 263 on the shield sheet 26 in the direction of the projection 222, then enters the gap between the bottom cover body 221 and the top wall of the first cavity 211, enters the evaporation cavity 24 through the first communication port 2232, and enters the air outlet duct 23 along with the aerosols through the second communication port 2233. The user then inhales the aerosols from the air outlet 231.

For complete transfer of aerosols from the evaporator cavity 24, the location of the through hole or notch in the side wall of the first communication hole 2232 on the resilient member 223 that is furthest from the protrusion 222 faces away from the adjacent resilient member 223; and the location position of the through hole or notch in the side wall of the second communication hole 2233 on the resilient member 223, which is located in correspondence with the protrusion 222, faces away from the adjacent resilient member 223.

It can be understood that the structures of the air communication component 2 and the evaporative main unit 3 described above are applicable to the structures of the fourth embodiment, the fifth embodiment and the sixth embodiment of the aerosol generating article 1 of the present application. For the structures of the first embodiment and the third embodiment of the aerosol generating article 1 of the present application, the evaporative main unit 3 of another structure is further provided in the present application.

As shown in FIG. 27, in FIG. 27 is a block diagram of another aerosol generating device according to the present application.

The aerosol generating device comprises an aerosol generating article 1, an air communication component 2, and an evaporative main unit 3. The evaporative main unit 3 includes a housing 30, a heating element 31, a controller 33, and a power source 34. The controller 33 and the power supply 34 are located in the cavity defined by the housing 30, and the controller 33 controls the power supply 34 to supply power to the heating element 31. One end of the housing 30 defines a mounting groove 35, and the mounting groove 35 is configured to receive the heating element 31 and articles 1 forming an aerosol. In particular, the heating element 31 is located on the side wall of the mounting groove 35, and the aerosol generating article 1 is located in the space surrounded by the heating element 31.

The air communication component 2 comprises a cooling element 28 and a filter element 27. The cooling element 28 is located between the aerosol generating article 1 and the filter element 27. The cooling element 28 is a tubular body, and this tubular body forms a communication opening. In one embodiment, one end of the cooling element 28 is inserted into the mounting groove 35 and connected to the aerosol generating article 1, and the other end of the cooling element is located outside the mounting groove 35 and connected to the filter element 27. The encapsulating layer 12 of the aerosol generating article 1 , heats the aerosol-generating substrate 11 to generate aerosols, and the aerosols reach the filter element 27 through the communication hole. In the process of passing the aerosols through the message hole, heat loss occurs so that the temperature of the aerosols is reduced, and then they are transferred to the user's mouth through the filter element 27, thereby preventing the user from being burned by aerosols with too high a temperature. The material of the cooling element 28 is a heat-resistant and dense material. For example, the material of the cooling element 28 may be plastic or ceramic.

A filter element 27 is mounted on one end of the cooling element 28 distal to the mounting groove 35, and the filter element 27 covers the opening of one end of the communication port distal to the mounting groove 35 to transfer aerosols in the communication port to the user's mouth through the filter element 27. The filter element 27 is configured to filter the aerosol-forming substrate 11 that enters the communication port along with the air flow containing the aerosols. The material of the filter element 27 may be a porous material such as a cotton core.

The structures of the evaporative main unit 3 and the air communication component 2 in this embodiment are applicable to the structures of the first embodiment and the third embodiment of the aerosol generating article 1 of the present application. The heating element 31 is the main body for resistive heating.

As shown in FIG. 28, in FIG. 28 is a block diagram of yet another aerosol generating device according to the present application.

The aerosol generating device comprises an aerosol generating article 1, an air communication component 2, and an evaporative main unit 3. The aerosol generating device in FIG. 28 and the aerosol generating device of FIG. 27 are basically the same in structure, and the difference is that the heating element 31 is the main part for electromagnetic heating, while the heating element 31 contains a spiral coil, and a mounting sleeve 36 is located in the spiral coil, configured to accommodate the product 1 , which forms an aerosol.

In particular, the spiral coil and the mounting sleeve 36 are co-located in the mounting groove 35, the spiral coil is located on the outer surface of the mounting sleeve 36, and the cavity formed by the mounting sleeve 36 is configured to receive the aerosol generating article 1. In one embodiment, the helical coil is embedded in the side wall of the mounting groove 35 (as shown in FIG. 28). In another embodiment, the coiled coil is interference-fitted to the side wall of the mounting groove 35, or secured to the mounting groove 35 by a structure such as a carabiner.

In the case where the heating element 31 is the main body for resistive heating, the present application provides an aerosol generating method, and the steps are as follows:

S11: Providing an aerosol-forming article, wherein the aerosol-forming article comprises an aerosol-forming substrate and an encapsulating layer.

In particular, the aerosol-forming article 1 comprises an aerosol-forming substrate 11 and an encapsulating layer 12. The encapsulating layer 12 covers at least a portion of the aerosol-forming substrate 11 such that the enclosing layer 12 isolates the substrate 11, forming an aerosol, from the heating element 31.

S12: The heating element heats the jacketing layer so that the jacketing layer heats the aerosol-forming substrate to generate aerosols.

In particular, the heating element 31 is configured to heat the aerosol generating article 1. The heating element 31 includes a high resistance wire, and this high resistance wire heats the jacketing layer 12 so that the jacketing layer 12 heats the aerosol forming substrate 11 to generate aerosols. That is, the heating element 31 heats the jacketing layer 12 so that the jacketing layer 12 heats the aerosol-forming substrate 11 to generate aerosols. In order to increase the heating efficiency of the heating element 31, the jacketing layer 12 is attached to the heating element 31.

Any combination of the above-described structure of the aerosol generating article 1, the structure of the air communication component 2, and the structure of the evaporative main unit 3 is applicable to this method, so the structure of the device according to this method is not described in detail.

In the case where the heating element 31 is the main body for electromagnetic heating, the present application provides an aerosol generation method, and the steps are as follows:

S31: Providing an aerosol-forming article, wherein the aerosol-forming article comprises an aerosol-forming substrate and an encapsulating layer.

In particular, the aerosol-forming article 1 comprises an aerosol-forming substrate 11 and an encapsulating layer 12. The encapsulating layer 12 covers at least a portion of the aerosol-forming substrate 11 such that the enclosing layer 12 isolates the substrate 11, forming an aerosol, from the heating element 31.

S32: Providing an alternating magnetic field to the aerosol-generating article by an electromagnetic element such that the enclosing layer generates eddy currents to generate heat to heat the aerosol-generating substrate.

Specifically, the heating element 31 is an electromagnetic element. The electromagnetic element is energized, after the electromagnetic element is energized, an alternating magnetic field is generated, and when the alternating magnetic field generated by the electromagnetic element penetrates the enclosing layer 12, eddy currents are generated so that the enclosing layer 12 generates heat and heats the substrate 11 forming an aerosol.

Any combination of the above-described structure of the aerosol generating article 1, the structure of the air communication component 2, and the structure of the evaporative main unit 3 is applicable to this method, so the structure of the device according to this method is not described in detail.

An aerosol-forming article according to the present application comprises: an aerosol-forming substrate; a heating layer, wherein the heating layer surrounds the concave part, and the aerosol-forming substrate is disposed in the concave part; and a cover layer covering at least a portion of the heating layer and an opening of the concave portion, wherein the aerosol-forming substrate is disposed between the heating layer and the cover layer; at the position of the cover layer which corresponds to the hole, a through hole is provided; and the heating layer is configured to generate eddy currents in the magnetic field to generate heat to heat the aerosol-forming substrate to form aerosols. According to the aerosol-generating article provided in the present application, eddy currents are generated in the magnetic current to generate heat, and the aerosol-generating substrate is further heated, thereby preventing the burning taste or odor caused by heating the reusable heating layer and improving aerosol taste.

The foregoing descriptions are embodiments of the present application, and the scope of legal protection of the present application is not limited to them. All equivalent changes in structures and methods, made in accordance with the contents of this description and the accompanying drawings in this application or by direct or indirect application of this application in other related fields of technology, are included in the scope of protection of this application.

Claims (16)

1. An aerosol-forming article containing: an aerosol-forming substrate; a heating layer, wherein the heating layer surrounds the concave part, and the aerosol-forming substrate is disposed in the concave part; And a cover layer covering at least a portion of the heating layer and an opening of the concave portion, wherein the aerosol-forming substrate is disposed between the heating layer and the cover layer; at the position of the cover layer which corresponds to the hole, a through hole is provided; And the heating layer is configured to generate eddy currents in a magnetic field to generate heat, so that the aerosol-forming substrate is heated to form aerosols. 2. An aerosol-forming article according to claim 1, characterized in that the concave portion comprises an annular side wall and a bottom wall, and the outer side of the annular side wall comprises a hanging loop. 3. An aerosol-forming article according to claim 2, characterized in that the heating layer surrounds a plurality of concave parts, the annular side walls of adjacent concave parts are spaced apart from each other, and the adjacent concave parts share the same suspension loop. 4. An aerosol generating article according to claim 3, characterized in that the heating layer is provided with a first separating hole on a suspension loop shared by adjacent concave parts. 5. An aerosol-forming article according to claim 4, characterized in that a second separating hole is provided on the cover layer, and the second separating hole is provided in a position corresponding to the position of the first separating hole. 6. An aerosol-forming article according to claim 2, characterized in that each heating layer surrounds one concave portion, adjacent concave portions are spaced apart, and the suspension loops of adjacent concave portions are spaced apart. 7. An aerosol-forming article according to claim 1, characterized in that the aerosol-forming substrate is assembled to form a layered body, the lower wall of the concave portion is attached to the lower surface of the aerosol-forming substrate, and the distance between the side wall of the concave portion and the side the surface of the substrate that forms the aerosol is from 0.1 mm to 1.0 mm. 8. An aerosol-forming article according to claim 7, characterized in that the thickness of the aerosol-forming substrate is from 0.5 mm to 3 mm and the depth of the concave portion is from 0.5 mm to 3 mm. 9. An aerosol-forming article according to claim 7, characterized in that the cross-sectional shape of the aerosol-forming substrate is a circle and the diameter of the aerosol-forming substrate is from 3.0 mm to 20 mm. 10. An aerosol-forming article according to claim 1, characterized in that the thickness of the heating layer is from 0.05 mm to 0.3 mm. 11. An aerosol-forming article according to claim 1, characterized in that the heating layer is made of aluminum foil. 12. The product that generates an aerosol, according to claim 1, characterized in that the thickness of the cover layer is from 0.02 mm to 0.1 mm; and the cover layer is made of aluminum foil.