Aerosol-generating article

Abstract

The present application provides an aerosol-generating article comprising a substrate and an aerosol-generating medium. Wherein the aerosol generating medium is arranged on one side of the substrate and comprises a first aerosol generating medium and a second aerosol generating medium; wherein at the first temperature, the first aerosol generating medium and the second aerosol generating medium are both in a first state, the first state is a solid state, and at the second temperature, the first aerosol generating medium is maintained in the first state, and the second aerosol generating medium is converted into a second state; and the second aerosol generating medium is converted from the first state to the second state to form a heat absorption process. Specifically, the aerosol generating medium comprises a first aerosol generating medium and a second aerosol generating medium, and the second aerosol generating medium absorbs heat at a second temperature and is converted from a first state to a second state, so that the temperature of the first aerosol generating medium is kept stable, the difficulty of a temperature control technology can be reduced, and the temperature control efficiency is improved. And uniform heating of the aerosol generating medium is realized.

Description

Technical Field

[0001] The present application relates to the field of atomization technology, and in particular to an aerosol generating product. Background Art

[0002] Low-temperature baked aerosol-generating products can greatly reduce the harmful substances in the aerosol produced after baking and heating, and therefore gradually become a safer and healthier leisure activity.

[0003] However, since the main component of low-temperature baking aerosol generating products is generally a solid aerosol generating medium, for example, solid media such as filamentous, sheet-like, thin-sheet, granular, powdered, columnar, etc. plant leaves containing specific aromas, etc., and solid media are prone to uneven heating problems, it is difficult to achieve accurate temperature control of the solid medium with existing heating methods to ensure uniform heating of the solid medium. Summary of the invention

[0004] The present application provides an aerosol generating product, which can solve the problem of uneven heating of solid media in existing aerosol generating products.

[0005] To solve the above problems, the present application provides a technical solution: providing an aerosol generating product, comprising: a substrate; an aerosol generating medium, arranged on one side of the substrate, comprising a first aerosol generating medium and a second aerosol generating medium; wherein, at a first temperature, the first aerosol generating medium and the second aerosol generating medium are both in a first state, the first state being solid, and at a second temperature, the first aerosol generating medium is maintained in the first state, and the second aerosol generating medium is transformed into a second state; the transformation of the second aerosol generating medium from the first state to the second state is an endothermic process.

[0006] In one embodiment, the second state is liquid or gas.

[0007] In one embodiment, at the third temperature, the first aerosol generating medium is maintained in the first state, and the second aerosol generating medium is transformed from the second state to the third state; and the transformation of the second aerosol generating medium from the second state to the third state is an endothermic process.

[0008] In one embodiment, the first aerosol generating medium forms a first aerosol generating medium layer, the second aerosol generating medium forms a second aerosol generating medium layer, and the first aerosol generating medium layer and the second aerosol generating medium layer are stacked.

[0009] In one embodiment, one of the first aerosol generating medium layer and the second aerosol generating medium layer is a patterned aerosol generating medium layer, and the patterned aerosol generating medium layer has a plurality of openings.

[0010] In one embodiment, the second aerosol generating medium layer is a patterned aerosol generating medium layer, a plurality of openings divide the second aerosol generating medium layer into a plurality of independent second aerosol generating medium blocks, and a distance between two adjacent second aerosol generating medium blocks is 0.1-5 mm.

[0011] In one embodiment, the first aerosol generating medium and the second aerosol generating medium are both patterned and disposed in the same layer; and the patterned first aerosol generating medium and the second aerosol generating medium form complementary patterns.

[0012] In one embodiment, the patterned second aerosol generating medium has a plurality of openings arranged at intervals, and the patterned first aerosol generating medium includes a plurality of first aerosol generating medium blocks arranged at intervals and having the same shape and size as the openings, and each first aerosol generating medium block is accommodated in one opening.

[0013] In one embodiment, the patterned first aerosol generating medium includes a plurality of first aerosol generating medium blocks, and the patterned second aerosol generating medium includes a plurality of second aerosol generating medium blocks. The plurality of first aerosol generating medium blocks and the plurality of second aerosol generating medium blocks are arranged alternately, and the distance between two adjacent second aerosol generating medium blocks is 0.1-5 mm.

[0014] In one embodiment, the substrate includes: a photothermal conversion material layer, which is used to absorb laser energy to generate thermal energy; and a thermal conductive layer, which is arranged between the photothermal conversion material layer and the aerosol generating medium and is used to transfer the thermal energy generated by the photothermal conversion material layer to the aerosol generating medium.

[0015] Different from the prior art, the aerosol generating product provided by the present application comprises an aerosol generating medium including a first aerosol generating medium and a second aerosol generating medium, and when the aerosol generating medium is heated, the second aerosol generating medium absorbs heat at a second temperature and changes from a first state to a second state, thereby maintaining the temperature stability of the first aerosol generating medium, reducing the difficulty of temperature control technology, and achieving uniform heating of the aerosol generating medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0017] Figure 1 A schematic structural diagram of a specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0018] Figure 2 for Figure 1 A cross-sectional view of the structure of the aerosol generating article along line AA shown;

[0019] Figure 3 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0020] Figure 4 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0021] Figure 5 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0022] Figure 6 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0023] Figure 7 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0024] Figure 8 A schematic structural diagram of a specific implementation of a patterned aerosol generating medium layer in the first embodiment of the aerosol generating article provided in the present application;

[0025] Fig. 9 A schematic structural diagram of another specific implementation of the patterned aerosol generating medium layer in the first embodiment of the aerosol generating article provided in the present application;

[0026] Fig.10 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0027] Fig.11 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0028] Fig.12 A schematic structural diagram of a specific implementation of the second embodiment of the aerosol generating article provided in the present application;

[0029] Fig.13 for Fig.12 A cross-sectional view of the structure of the aerosol generating article along line AA shown;

[0030] Fig.14A schematic structural diagram of another specific implementation of the second embodiment of the aerosol generating medium provided in the present application;

[0031] Fig.15 for Fig.14 A cross-sectional view of the structure of the aerosol generating article along line AA shown;

[0032] Fig.16 A top view of another specific implementation of the second embodiment of the aerosol generating article provided by the present application;

[0033] Fig.17 A schematic structural diagram of a third embodiment of the aerosol generating article provided in the present application;

[0034] Fig.18 for Fig.17 The aerosol generating article is shown in a cross-sectional view along line AA. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] The terms "first", "second", "third" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In the embodiments of this application, all directional indications (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the steps or units listed, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0037] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0038] The present application is described in detail below with reference to the accompanying drawings and embodiments.

[0039] The applicant has found that due to the low thermal conductivity of the existing solid aerosol generating medium, when the solid aerosol generating medium is baked and heated, the part close to the heat source is easy to burn, resulting in a poor taste of the generated aerosol, and the aerosol generating medium far from the heat source has insufficient thermal conductivity, resulting in insufficient aerosol release, resulting in low user satisfaction. In addition, precise temperature control technology is required to achieve rapid release of aerosol, and it is difficult to accurately adjust the temperature using the current heating method.

[0040] To solve the above problems, see Figure 1-Figure 18 , Figure 1 A schematic structural diagram of a specific implementation of the first embodiment of the aerosol generating article provided in the present application; Figure 2 for Figure 1 A cross-sectional view of the structure of the aerosol generating article along line AA shown; Figure 3 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application; Figure 4 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application; Figure 5 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application;

[0041] Figure 6 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application; Figure 7 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application; Figure 8 A schematic structural diagram of a specific implementation of a patterned aerosol generating medium layer in the first embodiment of the aerosol generating article provided in the present application; Fig. 9 A schematic structural diagram of another specific implementation of the patterned aerosol generating medium layer in the first embodiment of the aerosol generating article provided in the present application; Fig.10 A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application; Fig.11A structural cross-sectional view along line AA of another specific implementation of the first embodiment of the aerosol generating article provided in the present application; Fig.12 A schematic structural diagram of a specific implementation of the second embodiment of the aerosol generating article provided in the present application; Fig.13 for Fig.12 A cross-sectional view of the structure of the aerosol generating article along line AA shown; Fig.14 A schematic structural diagram of another specific implementation of the second embodiment of the aerosol generating medium provided in the present application; Fig.15 for Fig.14 A cross-sectional view of the structure of the aerosol generating article along line AA shown; Fig.16 A top view of another specific implementation of the second embodiment of the aerosol generating article provided by the present application; Fig.17 A schematic structural diagram of a third embodiment of the aerosol generating article provided in the present application; Fig.18 for Fig.17 The aerosol generating article is shown in a cross-sectional view along line AA.

[0042] Specifically, the present application provides an aerosol generating article 100 , including a substrate 10 and an aerosol generating medium 20 . The aerosol generating medium 20 is disposed on one side of the substrate 10 , and includes a first aerosol generating medium 30 and a second aerosol generating medium 40 .

[0043] The shape of the aerosol generating article 100 is not limited to Figure 1 , Fig.12 , Fig.14 as well as Fig.17 The square sheet, cylindrical shape, etc. shown in the figure may also be a round cake, a prism, etc., and the cross section perpendicular to the AA line may be a triangle, a five-pointed star, an ellipse, a rectangle, a diamond, etc.; the length and / or width of the aerosol generating article 100 may be extended or reduced. This is not a limiting example.

[0044] The first aerosol generating medium 30 may be a solid medium of plant stems and leaves containing a specific aroma, such as filaments, sheets, flakes, particles, powders, columns, etc.; or other types of ordered solid aerosol generating medium, disordered solid aerosol generating medium, and particle solid aerosol generating medium, etc. The first aerosol generating medium 30 may generate aerosol when the temperature is higher than 250°C.

[0045] The second aerosol generating medium 40 can be a solid substance in a gel state at room temperature by adding a thickener to an oily substance such as glycerin or propylene glycol containing a specific aroma. It can be understood that, in one example, the thermal conductivity of the second aerosol generating medium 40 in a gel state is higher than the thermal conductivity of the first aerosol generating medium 30. Of course, the second aerosol generating medium 40 can also be other solid substances with high thermal conductivity, which is not limited here.

[0046] Among them, at the first temperature, the first aerosol generating medium 30 and the second aerosol generating medium 40 are both in the first state, wherein the first temperature can be room temperature or a temperature lower than the first preset temperature, wherein the first preset temperature can be lower than 100°, and the states of the first aerosol generating medium 30 and the second aerosol generating medium 40 at the first preset temperature will not change; the first state is solid.

[0047] At the second temperature, the first aerosol generating medium 30 is maintained in the first state, and the second aerosol generating medium 40 is transformed into the second state; wherein, the second temperature may be greater than 100°, the second state may be a gaseous state or a liquid state, and the transformation of the second aerosol generating medium 40 into the second state may be an endothermic process such as melting or sublimation. It can be understood that the second aerosol generating medium 40 needs to absorb energy when it is transformed from a solid state to a gaseous state or a liquid state. Therefore, the second temperature is greater than the first temperature, and the transformation of the second aerosol generating medium 40 from the first state to the second state is an endothermic process.

[0048] Specifically, the aerosol generating product 100 provided in the embodiment of the present application, by setting the aerosol generating medium 20 to include a first aerosol generating medium 30 and a second aerosol generating medium 40, and the second aerosol generating medium 40 absorbs heat at the second temperature and changes from the first state to the second state. On the one hand, it can absorb and consume excess energy on the first aerosol generating medium 30 to avoid local burning of the first aerosol generating medium 30; on the other hand, the second aerosol generating medium 40 has a high thermal conductivity and can play a role in transferring heat, thereby maintaining the temperature of the first aerosol generating medium 30 stable and keeping the overall temperature of the aerosol generating medium 20 uniform, without the need for real-time temperature feedback, thereby reducing the difficulty of temperature control technology and achieving uniform heating of the aerosol generating medium 20.

[0049] In one embodiment, at the third temperature, the first aerosol generating medium 30 is maintained in the first state, and the second aerosol generating medium 40 is changed from the second state to the third state; the second aerosol generating medium is changed from the second state to the third state in a heat absorbing process. In this embodiment, the second state can be a liquid state, and the third state can be a gaseous state. When the second aerosol generating medium 40 is changed from a solid state to a liquid state, and from a liquid state to a gaseous state, it absorbs a large amount of heat and releases aerosol at the same time, so that the temperature of the first aerosol generating medium 30 is easy to be moderately maintained in a stable state when heated rapidly, so that the first aerosol generating medium 30 will not be burnt, which is significantly helpful for the smoking experience; and the second aerosol generating medium 40 can make the temperature relatively stable, without the need for real-time temperature feedback, and reduce the cost of temperature control detection.

[0050] The first temperature may be a temperature value or a temperature range, the second temperature may be a temperature value or a temperature range, and the third temperature may be a temperature value or a temperature range.

[0051] In this embodiment, the second aerosol generating medium 40 is a gel-state substance containing glycerin, propylene glycol, etc. with a specific aroma. The main component of the second aerosol generating medium 40 can be liquefied when the temperature is higher than 100 degrees Celsius; when the temperature is higher than 250 degrees Celsius, the liquefied gel medium is vaporized, absorbing a large amount of heat and releasing aerosol. It should be noted that due to the material characteristics, the amount of aerosol generated by heating the second aerosol generating medium 40 is greater than the amount of aerosol generated by heating the first aerosol generating medium 30, so as to improve user satisfaction.

[0052] The aerosol generating product 100 may be heated by at least one of circumferential induction heating, central needle resistance heating, and laser heating.

[0053] Please continue to see Figure 3 In the embodiment of the present application, the aerosol generating product 100 is heated by laser heating, and the substrate 10 includes a photothermal conversion material layer 11 and a heat conductive layer 12. The photothermal conversion material layer 11 is used to absorb laser energy and generate heat energy; the heat conductive layer 12 is arranged between the photothermal conversion material and the aerosol generating medium 20, and is used to transfer the heat energy generated by the photothermal conversion material layer 11 to the aerosol generating medium 20, so as to heat the aerosol generating medium 20 to generate an aerosol that can be used by the user.

[0054] The heat-conducting layer 12 includes but is not limited to materials with high thermal conductivity such as aluminum foil, copper foil, and stainless steel.

[0055] The photothermal conversion material layer 11 includes but is not limited to a ceramic coating with a high absorption rate, a carbon-containing coating, or other materials that can absorb laser light.

[0056] Of course, in another embodiment, the heat-conducting layer 12 may not be provided, and the light-to-heat conversion material layer 11 may be directly provided on one side of the aerosol generating medium 20 , or wrap the aerosol generating medium 20 .

[0057] The following description is made under the condition that the heat source is a semiconductor laser chip which outputs laser by providing current to the semiconductor laser chip, and the laser wavelength is between 355 and 1550 nm; the second aerosol generating medium 40 is a gel-state substance containing glycerin, propylene glycol, etc. with a specific aroma, and the thickness is 0.01 mm-0.5 mm; and the thickness of the first aerosol generating medium 30 is 0.05 mm-0.4 mm.

[0058] Specifically, the purpose of setting the thickness of the second aerosol generating medium 40 to 0.01mm-0.5mm is that the second aerosol generating medium 40 will release aerosol after heating, and the physical state is manifested as gel state to liquid state to gas state, and gasification layer by layer. If the thickness is too thin, it is not enough to stimulate enough aerosol, and if the thickness is too thick, a single heating is not enough to fully release all the gels, resulting in waste. The purpose of setting the thickness of the first aerosol generating medium 30 to 0.05mm-0.4mm is that if the first aerosol generating medium 30 is too thick, the aerosol release will be poor, reducing the amount of aerosol released, and if the first aerosol generating medium 30 is too thin, it will result in too little aerosol generated by itself, reducing the amount of aerosol released.

[0059] Of course, the first aerosol generating medium 30 and the second aerosol generating medium 40 may be provided with other suitable thickness ranges according to actual conditions, which are not limited here.

[0060] See also Figure 1-Figure 11 In the first embodiment of the present application, the first aerosol generating medium 30 forms a first aerosol generating medium layer, the second aerosol generating medium 40 forms a second aerosol generating medium layer, and the first aerosol generating medium layer and the second aerosol generating medium layer are stacked.

[0061] See also Figure 2 or Figure 3Specifically, the second aerosol generating medium layer is arranged between the first aerosol generating medium layer and the substrate 10, the heat source heats the photothermal conversion material layer 11, and the photothermal conversion material layer 11 absorbs the laser energy and heats the second aerosol generating medium layer through the heat conductive layer 12. After the second aerosol generating medium layer absorbs the heat, part of the heat will be taken away by the released aerosol, and part of the heat will be transferred to the first aerosol generating medium layer, so that the first aerosol generating medium layer and the second aerosol generating medium layer release aerosols at the same time. Since the second aerosol generating medium layer absorbs heat and melts, it will absorb a large amount of heat, so that the temperature of the first aerosol generating medium layer is easy to be moderate and maintained in a stable state. In addition, since the first aerosol generating medium 30 needs to be preheated for a certain period of time to generate aerosols, and the second aerosol generating medium 40 can quickly emit mist when the temperature reaches the condition, therefore, in this embodiment, the second aerosol generating medium layer absorbs heat first, so that the aerosol can be quickly released.

[0062] See also Figure 4 Specifically, the first aerosol generating medium layer is arranged between the second aerosol generating medium layer and the substrate 10, and the heat source heats the photothermal conversion material layer 11. After the photothermal conversion material layer 11 absorbs laser energy, it heats the first aerosol generating medium layer through the heat conductive layer 12. After the first aerosol generating medium layer absorbs heat, part of the heat will be taken away by the released aerosol, and part of the heat will be transferred to the second aerosol generating medium layer. The second aerosol generating medium layer absorbs heat to melt and release a large amount of aerosol, so that the first aerosol generating medium layer and the second aerosol generating medium layer release aerosol at the same time. Since the second aerosol generating medium layer absorbs a large amount of heat during the heating process, the temperature of the first aerosol generating medium 30 is easy to be moderate and maintained in a stable state.

[0063] Further, in the first embodiment of the present application, one of the first aerosol generating medium layer and the second aerosol generating medium layer may be a patterned aerosol generating medium layer, and the patterned aerosol generating medium layer has a plurality of openings X.

[0064] Specifically, the first aerosol generated by heating the first aerosol generating medium 30 has a stronger original fragrance, and the second aerosol generated by heating the second aerosol generating medium 40 has a larger atomization amount. Therefore, by adjusting the proportion of the first aerosol and the second aerosol in the generated mixed aerosol, the taste requirements of different users can be met.

[0065] See also Figure 5The second aerosol generating medium layer is disposed between the first aerosol generating medium layer and the substrate 10, and the second aerosol generating medium layer is a patterned aerosol generating medium layer. Specifically, by providing the opening X on the second aerosol generating medium layer, the substance content of the second aerosol generating medium layer can be reduced, thereby reducing the amount of the second aerosol generated by the second aerosol generating medium layer, thereby increasing the proportion of the first aerosol generated by the first aerosol generating medium layer, and thus improving the original fragrance of the mixed aerosol.

[0066] See also Figure 6 The second aerosol generating medium layer is disposed between the first aerosol generating medium layer and the substrate 10, and the first aerosol generating medium layer is a patterned aerosol generating medium layer. Specifically, by providing the opening X on the first aerosol generating medium layer, the substance content of the first aerosol generating medium layer can be reduced, thereby reducing the amount of the first aerosol generated by the first aerosol generating medium layer, thereby increasing the proportion of the second aerosol generated by the second aerosol generating medium layer, and reducing the original aroma of the mixed aerosol, so as to meet the taste requirements of different users.

[0067] See also Figure 7 The first aerosol generating medium layer is disposed between the second aerosol generating medium layer and the substrate 10, and the first aerosol generating medium layer is a patterned aerosol generating medium layer. Specifically, by providing the opening X on the first aerosol generating medium layer, the substance content of the first aerosol generating medium layer can be reduced, thereby reducing the amount of the first aerosol generated by the first aerosol generating medium layer, thereby increasing the proportion of the second aerosol generated by the second aerosol generating medium layer, and reducing the original aroma of the mixed aerosol, so as to meet the taste requirements of different users.

[0068] Among them, taking the aerosol generating medium in the form of a square sheet as an example, see Figure 8 The patterned aerosol generating medium layer may be an integral structure, and the plurality of openings X may be through holes disposed on the patterned aerosol generating medium layer.

[0069] Alternatively, the patterned aerosol generating medium layer may be a split structure. Fig. 9 As shown, the second aerosol generating medium layer is a patterned aerosol generating medium layer, and a plurality of openings X divide the second aerosol generating medium layer into a plurality of independent second aerosol generating medium blocks 41, and the distance between two adjacent second aerosol generating medium blocks 41 is 0.1-5 mm, for example, it can be 0.1 mm, 0.5 mm, 2 mm, 3 mm, 4 mm or 5 mm, etc.

[0070] Specifically, if the distance between two adjacent second aerosol generating medium blocks 41 is too large, the heat transfer of the first aerosol generating medium layer projected between the two adjacent second aerosol generating medium blocks 41 may be insufficient, thereby making it difficult for the first aerosol generating medium layer to reach the atomization temperature and releasing insufficient first aerosol. In this embodiment, by setting the distance between the two adjacent second aerosol generating medium blocks 41 to be 0.1-5 mm, the heat transfer effect of the second aerosol generating medium block 41 on the first aerosol generating medium layer can be ensured, thereby avoiding insufficient heating of the first aerosol generating medium layer and resulting in low atomization amount.

[0071] Furthermore, in the first embodiment of the present application, the patterned aerosol generating medium layer can be disposed close to the substrate 10, and the substrate 10 has a protrusion 13, the protrusion 13 extends into the opening (not shown) and contacts the other of the first aerosol generating medium layer and the second aerosol generating medium layer. Fig.10 and Fig.11 As shown, the patterned aerosol generating medium layer is a patterned second aerosol generating medium layer, and the protrusion 13 extends into the opening and contacts the first aerosol generating medium layer.

[0072] Specifically, by providing the base 10 with a protrusion 13, the protrusion 13 extends into the opening to contact the non-patterned aerosol generating medium layer, so that heat can be transferred to the two stacked aerosol generating matrix layers at the same time, thereby improving the atomization efficiency. In this embodiment, the distance between two adjacent medium blocks may not be limited.

[0073] See also Figure 13-Figure 16 In the second embodiment of the present application, the first aerosol generating medium 30 and the second aerosol generating medium 40 are both patterned and arranged in the same layer; and the patterned first aerosol generating medium 30 and the patterned second aerosol generating medium 40 form complementary patterns.

[0074] For example, see Fig.12 and Fig.13 The patterned first aerosol generating medium 30 includes a plurality of first aerosol generating medium blocks 31, and the patterned second aerosol generating medium 40 includes a plurality of second aerosol generating medium blocks 41. The plurality of first aerosol generating medium blocks 31 and the plurality of second aerosol generating medium blocks 41 are arranged alternately to form a complementary pattern. The distance between two adjacent second aerosol generating medium blocks 41 is 0.1-5 mm. For example, it can be 0.1 mm, 0.5 mm, 2 mm, 3 mm, 4 mm or 5 mm.

[0075] Specifically, although the heat on the substrate 10 can be directly transferred to the first aerosol generating medium block 31, it is difficult to achieve accurate temperature control using existing heating methods. If the two adjacent second aerosol generating medium blocks 41 are too large, the energy transferred by the second aerosol generating medium blocks 41 and the heat absorbed by melting may not be able to maintain the temperature of the first aerosol generating medium block 31 in a relatively stable state. Therefore, the distance between the two adjacent second aerosol generating medium blocks 41 is set to 0.1-5mm. The second aerosol generating medium blocks 41 can be used to melt and absorb a large amount of heat to keep the temperature of the first aerosol generating medium 30 in a stable state, so that the first aerosol generating medium 30 will not burn, which is significantly helpful for the smoking experience; and the second aerosol generating medium 40 can make the temperature relatively stable, without the need for real-time temperature feedback, thereby reducing the cost of temperature control detection.

[0076] For example, see Fig.14 and Fig.15 The patterned second aerosol generating medium 40 has a plurality of openings (not marked in the figure) arranged at intervals, and the patterned first aerosol generating medium 30 includes a plurality of first aerosol generating medium blocks 31 arranged at intervals and having the same shape and size as the openings, and each first aerosol generating medium block 31 is accommodated in an opening, thereby forming a complementary pattern.

[0077] For example, see Fig.16 , the patterned first aerosol generating medium 30 has a first meshing portion 32, and the patterned second aerosol generating medium 40 has a second meshing portion 42, and the first meshing portion 32 and the second meshing portion 42 are complementary, so that the patterned first aerosol generating medium 30 and the patterned second aerosol generating medium 40 are connected together through the first meshing portion 32 and the second meshing portion 42. Among them, one of the first meshing portion 32 and the second meshing portion 42 is a first tooth shape, and the other is a second tooth shape complementary to the first tooth shape; or one of the first meshing portion 32 and the second meshing portion 42 is a first arc shape, and the other is a second arc shape complementary to the first arc shape; or one of the first meshing portion 32 and the second meshing portion 42 is a groove, and the other is a protrusion complementary to the groove. The specific design can be based on actual needs.

[0078] Specifically, different from the prior art, the aerosol generating matrix provided by the present application, by setting the aerosol generating medium 20 to include a first aerosol generating medium 30 and a second aerosol generating medium 40, and the second aerosol generating medium 40 absorbs heat at the second temperature and changes from the first state to the second state. On the one hand, it can absorb and consume excess energy on the first aerosol generating medium 30 to avoid local burning of the first aerosol generating medium 30; on the other hand, the second aerosol generating medium 40 has a high thermal conductivity and can play a role in transferring heat, thereby maintaining the temperature of the first aerosol generating medium 30 stable and keeping the overall temperature of the aerosol generating medium 20 uniform, without the need for real-time temperature feedback, thereby reducing the difficulty of temperature control technology and achieving uniform heating of the aerosol generating medium 20.

[0079] The above are only implementation methods of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An aerosol generating product, characterized in that include: substrate; an aerosol generating medium, disposed on one side of the substrate, comprising a first aerosol generating medium and a second aerosol generating medium; Among them, at a first temperature, the first aerosol generating medium and the second aerosol generating medium are both in a first state, and the first state is solid; at a second temperature, the first aerosol generating medium maintains in the first state, and the second aerosol generating medium changes to a second state; the second aerosol generating medium changes from the first state to the second state in an endothermic process.

2. The aerosol-generating article according to claim 1, wherein The second state is liquid or gas.

3. The aerosol-generating article according to claim 1, wherein At the third temperature, the first aerosol generating medium is maintained in the first state, and the second aerosol generating medium is transformed from the second state to the third state; and the transformation of the second aerosol generating medium from the second state to the third state is an endothermic process.

4. An aerosol generating article according to any one of claims 1 to 3, characterized in that The first aerosol generating medium forms a first aerosol generating medium layer, the second aerosol generating medium forms a second aerosol generating medium layer, and the first aerosol generating medium layer and the second aerosol generating medium layer are stacked.

5. An aerosol generating article according to claim 4, characterized in that One of the first aerosol generating medium layer and the second aerosol generating medium layer is a patterned aerosol generating medium layer, and the patterned aerosol generating medium layer has a plurality of openings.

6. An aerosol generating article according to claim 5, characterized in that The second aerosol generating medium layer is the patterned aerosol generating medium layer, and the plurality of openings divide the second aerosol generating medium layer into a plurality of independent second aerosol generating medium blocks, and the distance between two adjacent second aerosol generating medium blocks is 0.1-5 mm.

7. An aerosol-generating article according to any one of claims 1 to 3, characterized in that The first aerosol generating medium and the second aerosol generating medium are both patterned and arranged in the same layer; and the patterned first aerosol generating medium and the patterned second aerosol generating medium form a complementary pattern.

8. An aerosol-generating article according to claim 7, characterized in that The patterned second aerosol generating medium has a plurality of openings arranged at intervals, and the patterned first aerosol generating medium includes a plurality of first aerosol generating medium blocks arranged at intervals and having the same shape and size as the openings, and each first aerosol generating medium block is accommodated in one of the openings.

9. The aerosol-generating article of claim 7, wherein: The patterned first aerosol generating medium includes a plurality of first aerosol generating medium blocks. The patterned second aerosol generating medium includes a plurality of second aerosol generating medium blocks. The plurality of first aerosol generating medium blocks and the plurality of second aerosol generating medium blocks are arranged alternately, and the distance between two adjacent second aerosol generating medium blocks is 0.1-5 mm.

10. The aerosol-generating article of claim 1, wherein: The substrate comprises: A photothermal conversion material layer, wherein the photothermal conversion material layer is used to absorb laser energy to generate thermal energy; The heat-conducting layer is disposed between the light-to-heat conversion material layer and the aerosol-generating medium, and is used to transfer the heat energy generated by the light-to-heat conversion material layer to the aerosol-generating medium.

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