Heating structure, atomizing core and aerosol generating device

Abstract

The invention is suitable for the technical field of atomization, and provides a heating structure, an atomization core and an aerosol generating device, the aerosol generating device comprises the atomization core, the atomization core comprises the heating structure, and the heating structure comprises a heating piece. The two opposite sides of the heating piece in the thickness direction are an atomizing face and a non-atomizing face respectively, and the area of the atomizing face is larger than that of the non-atomizing face. The area of the atomizing surface is larger than the area of the non-atomizing surface, so that the area of the non-atomizing surface of the heating sheet is reduced, the contact area of the non-atomizing surface and air in the air channel is reduced, the heat dissipation efficiency of the non-atomizing surface can be effectively reduced, heat supplemented to the non-atomizing surface by the atomizing surface can be reduced, and heat loss is reduced. Therefore, the energy utilization rate of the heating structure is improved, and the atomization efficiency of the aerosol generating device formed by the heating structure is improved.

Description

Technical Field

[0001] The present application belongs to the field of atomization technology, and more specifically, relates to a heating structure, an atomization core and an aerosol generating device. Background Art

[0002] The aerosol generating device refers to a device for heating an aerosol generating substrate to atomize the aerosol generating substrate to form an aerosol. The aerosol generated by atomizing the aerosol generating substrate can be used for inhalation by a user.

[0003] The aerosol generating device generally includes a heating structure. During the operation of the aerosol generating device, the heating structure can generate heat when powered on to generate heat, and the heat can heat the aerosol generating substrate, so that the aerosol generating substrate is heated and atomized to form an aerosol, and the aerosol is discharged with the air through the airway in the aerosol generating device.

[0004] The heating structure generally has two opposite surfaces, namely, an atomizing surface and a non-atomizing surface. The non-atomizing surface of the heating structure is connected to the airway, and the atomizing surface of the heating structure is used to contact the aerosol generating substrate, so that the heating structure can heat the aerosol generating substrate through the atomizing surface. However, during the operation of the aerosol generating device, when the aerosol is atomized with the air in the airway, the air will take away the heat on the non-atomizing surface, and the non-atomizing surface will absorb the heat of the atomizing surface and continue to conduct or radiate toward the airway, which will inevitably cause heat loss, thereby inevitably reducing the energy utilization rate of the heating structure and reducing the atomization efficiency of the aerosol generating device. Summary of the invention

[0005] One of the purposes of the embodiments of the present application is to provide a heating structure, an atomizing core, and an aerosol generating device, which can reduce the problem of heat loss of the heating structure.

[0006] In order to solve the above technical problems, the technical solution adopted in the embodiment of the present application is:

[0007] In a first aspect, an embodiment of the present application provides a heating structure, including:

[0008] The heating sheet has two opposite sides along the thickness direction, namely an atomized surface and a non-atomized surface, and the area of ​​the atomized surface is larger than that of the non-atomized surface.

[0009] In some embodiments, the heat generating sheet comprises:

[0010] A plurality of conductive heating components are arranged at intervals along a first direction and are arranged in parallel;

[0011] A plurality of first heat-conducting members, wherein a plurality of first heat-conducting members spaced apart along the second direction are connected between any two adjacent conductive heat-generating components, and any two adjacent first heat-conducting members and two adjacent conductive heat-generating components are surrounded to form a through hole;

[0012] Wherein, the first direction, the second direction and the thickness direction are perpendicular to each other;

[0013] The atomized surface includes a first surface, the non-atomized surface includes a second surface, the two opposite sides of the conductive heating component along the thickness direction are the first surface and the second surface respectively, and the area of ​​the first surface is greater than that of the second surface.

[0014] In some embodiments, the conductive heating component includes a plurality of conductive heating elements connected in sequence along the second direction to conduct, the two ends of the conductive heating element along the second direction are respectively connected to two first heat-conducting elements adjacent to each other along the second direction, and the two first heat-conducting elements adjacent to each other along the second direction and the conductive heating elements of the two adjacent conductive heating components are surrounded to form a through hole;

[0015] Wherein, in the thickness direction, the area of ​​the side surface of the conductive heating element used to form the first surface is larger than the area of ​​the side surface of the conductive heating element used to form the second surface.

[0016] In some embodiments, the conductive heating element includes two heating strips, wherein one end of the two heating strips along the second direction is relatively bent and connected to be conductive, and the other end is respectively connected to two first heat-conducting elements adjacent to each other along the second direction;

[0017] Wherein, two adjacent first heat-conducting members and the heating strips of two adjacent conductive heating components along the second direction are arranged to form a through hole;

[0018] The first surface includes a first sub-surface, the second surface includes a second sub-surface, the two opposite sides of the heating strip along the thickness direction are the first sub-surface and the second sub-surface respectively, and the area of ​​the first sub-surface is greater than that of the second sub-surface.

[0019] In some embodiments, on a projection plane perpendicular to the thickness direction, the orthographic projection of the first surface extends beyond the orthographic projection of the second surface at two opposite sides along the width direction of the conductive heating component.

[0020] In some embodiments, the atomized surface also includes a third surface connected to the first surface, the non-atomized surface also includes a fourth surface connected to the second surface, and the opposite sides of the first heat conductor along the thickness direction are the third surface and the fourth surface, respectively, and the area of ​​the third surface is greater than the area of ​​the fourth surface.

[0021] In some embodiments, on a projection plane perpendicular to the thickness direction, an orthographic projection of at least one third surface extends beyond an orthographic projection of the fourth surface at two opposite sides along the width direction of the first heat conducting member.

[0022] In some embodiments, the number of conductive heating components is two, and a plurality of second heat-conducting components spaced apart along a second direction are connected to one side of the conductive heating component away from the first heat-conducting component along the first direction, the atomized surface also includes a fifth surface connected to the first surface, the non-atomized surface also includes a sixth surface connected to the second surface, and the opposite sides of the second heat-conducting component along the thickness direction are the fifth surface and the sixth surface, respectively, and the area of ​​the fifth surface is greater than the area of ​​the sixth surface.

[0023] In some embodiments, on a projection plane perpendicular to the thickness direction, an orthographic projection of at least one fifth surface extends beyond an orthographic projection of the sixth surface at two opposite sides along the width direction of the second heat conducting member.

[0024] In some embodiments, a side surface is connected between the atomized surface and the non-atomized surface, at least one side surface is an inclined surface inclined relative to the thickness direction, and an angle ∈ [45°, 70°] between the inclined surface and the atomized surface.

[0025] In some embodiments, the heating structure further includes pins, which are disposed on the non-atomized surface and are electrically connected to the heating sheet.

[0026] In a second aspect, an embodiment of the present application provides an atomizer core, comprising:

[0027] Heating structure;

[0028] The dielectric member is arranged on the atomizing surface of the heating structure;

[0029] The medium is a liquid storage medium or a solid aerosol generating matrix.

[0030] In a third aspect, an embodiment of the present application provides an aerosol generating device, comprising an atomizing core.

[0031] The beneficial effects of the heating structure, atomizing core and aerosol generating device provided in the embodiments of the present application are:

[0032] The heating structure provided in the embodiment of the present application reduces the area of ​​the non-atomizing surface of the heating sheet by setting the area of ​​the atomizing surface to be larger than the area of ​​the non-atomizing surface, thereby reducing the contact area between the non-atomizing surface and the air in the airway, and can effectively reduce the heat dissipation efficiency of the non-atomizing surface, thereby reducing the amount of heat added from the atomizing surface to the non-atomizing surface, thereby reducing heat loss. Therefore, it is helpful to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the aerosol generating device composed of the heating structure.

[0033] The atomizer core provided in the embodiment of the present application, by adopting the heating structure involved in the above embodiments, helps to reduce the heat loss of the heating structure, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the atomizer core.

[0034] The aerosol generating device provided in the embodiment of the present application, by adopting the atomizing core involved in the above embodiments, helps to reduce the heat loss of the heating structure, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the aerosol generating device.

[0035] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 A three-dimensional structural diagram of a heating structure provided in some embodiments of the present application;

[0038] Figure 2 A three-dimensional structural diagram of a heating sheet of a heating structure provided in some embodiments of the present application;

[0039] Figure 3 for Figure 2 A schematic diagram of a heating sheet of a provided heating structure at one viewing angle;

[0040] Figure 4 for Figure 2 A schematic diagram of a heating sheet of a heating structure provided at another viewing angle;

[0041] Figure 5 for Figure 3 The enlarged view of point A in the middle;

[0042] Figure 6 for Figure 3 The enlarged view of point B in the middle;

[0043] Figure 7 for Figure 3 Enlarged view of point C in the middle;

[0044] Figure 8 for Figure 5 Sectional view along DD.

[0045] Among them, the reference numerals in the figure are:

[0046] 10-heating sheet; 101-atomized surface; 1011-first surface; 10111-first sub-surface; 1012-third surface; 1013-fifth surface; 102-non-atomized surface; 1021-second surface; 10211-second sub-surface; 1022-fourth surface; 1023-sixth surface; 103-through hole; 104-side; 104a-inclined surface; 1-conductive heating component; 11-conductive heating element; 111-heating strip; 2-first heat-conducting element; 3-second heat-conducting element; 4-conductive element; 20-pin; β-angle; Z-thickness direction; Y-first direction; X-second direction; a-first width direction; b-second width direction; c-third width direction. DETAILED DESCRIPTION

[0047] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0048] Unless otherwise specified, all implementations and optional implementations of the embodiments of the present application can be combined with each other to form a new technical solution.

[0049] Unless otherwise specified, all technical features and optional technical features of the embodiments of the present application can be combined with each other to form a new technical solution.

[0050] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0051] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0052] In the description of the embodiments of the present application, "multiple" means more than two, and unless otherwise clearly and specifically defined, "more than two" includes two. Accordingly, "multiple groups" means more than two groups, including two groups.

[0053] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0054] In the description of this application, the term "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists, A and B exist at the same time, and B exists. In addition, in this application, the character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0055] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, the technical terms "adjacent" and "adjacent" refer to proximity in position. For example, among the three components A1, A2 and B, the distance between A1 and B is greater than the distance between A2 and B. Then A2 is closer to B than A1, that is, A2 is adjacent to B. It can also be said that B is adjacent to A2. In other words, A2 is adjacent to B. For another example, when there are multiple C components, the multiple C components are C1, C2...CN, and when one of the C components, such as C2, is closer to the B component than the other C components, then B is adjacent to C2. It can also be said that C2 is adjacent to B. In other words, C2 is adjacent to B.

[0056] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0057] The following is a detailed description with reference to the accompanying drawings and embodiments:

[0058] Please also read Figures 1 to 4 ,in, Figure 1 A three-dimensional structural diagram of a heating structure provided in some embodiments of the present application, Figure 2 A three-dimensional structural diagram of a heating sheet 10 of a heating structure provided in some embodiments of the present application, Figure 3 for Figure 2 A schematic diagram of a heating sheet 10 of a heating structure provided under one viewing angle, Figure 4 for Figure 2The heating structure provided in the embodiment of the present application includes a heating sheet 10, wherein the heating sheet 10 has an atomized surface 101 and a non-atomized surface 102 on opposite sides along the thickness direction Z, and the area of ​​the atomized surface 101 is larger than that of the non-atomized surface 102.

[0059] The heating structure refers to a structure used to generate heat when powered on, wherein the heat generated by the heating structure is mainly used to heat the aerosol generating substrate, so that the aerosol generating substrate is atomized to form an aerosol.

[0060] The heating sheet 10 is the main part of the heating structure and is a sheet structure. The heating sheet 10 has conductive properties and is used for generating heat. Specifically, the heating sheet 10 is a resistive load so that the heating sheet 10 can be energized, and the heating sheet 10 can generate heat to generate heat when energized.

[0061] The atomized surface 101 and the non-atomized surface 102 are surfaces on opposite sides of the heating sheet 10 along the thickness direction Z. That is, the area of ​​the atomized surface 101 is the area of ​​the entire surface of one side of the heating sheet 10 along the thickness direction Z, and the area of ​​the non-atomized surface 102 is the area of ​​the entire surface of the other side of the heating sheet 10 along the thickness direction Z. The thickness direction Z refers to the thickness direction Z of the heating sheet 10. Unless otherwise specified below, the thickness direction Z refers to the thickness direction Z of the heating sheet 10.

[0062] The heating structure is used in conjunction with the dielectric member, and the heating structure and the dielectric member can be combined to form an atomizing core. When the heating structure and the dielectric member are used in conjunction, the heating sheet 10 is disposed on the dielectric member, and the atomizing surface 101 contacts the dielectric member, that is, the dielectric member is disposed on the atomizing surface 101. The dielectric member can be a liquid storage medium for storing an aerosol generating matrix, such as porous ceramics, a liquid storage surface, etc.; the dielectric member can also be a solid aerosol generating matrix.

[0063] Wherein, when the dielectric member is a liquid storage medium, the aerosol generating matrix on the liquid storage medium can be conducted to the atomizing surface 101, and the heat on the atomizing surface 101 of the heating sheet 10 can heat the aerosol generating matrix, so that the aerosol generating matrix is ​​atomized to form an aerosol. When the dielectric member is a solid aerosol generating matrix, the heat on the atomizing surface 101 of the heating sheet 10 can heat the solid aerosol generating matrix, so that the solid aerosol generating matrix is ​​atomized to form an aerosol.

[0064] It should be noted that an airway is formed inside the aerosol generating device, the non-atomizing surface 102 of the heating sheet 10 is connected to the airway, and the atomizing surface 101 is in contact with the dielectric member. When the aerosol generating device is working, the heat on the atomizing surface 101 of the heating sheet 10 heats the aerosol generating matrix, and the aerosol generating matrix is ​​heated and atomized to form an aerosol, and the aerosol is discharged with the air in the airway. In this process, the heat of the non-atomizing surface 102 of the heating sheet 10 will continue to dissipate with the air, and the heat on the atomizing surface 101 will continue to be added to the non-atomizing surface 102, resulting in heat loss.

[0065] The heating structure provided in the embodiment of the present application is arranged such that the area of ​​the atomized surface 101 is larger than the area of ​​the non-atomized surface 102, so that the area of ​​the non-atomized surface 102 of the heating sheet 10 is reduced. In this way, the contact area between the non-atomized surface 102 and the air in the airway is reduced, and the heat dissipation efficiency of the non-atomized surface 102 can be effectively reduced, so that the heat added to the non-atomized surface 102 by the atomized surface 101 can be reduced to reduce heat loss. In addition, the area of ​​the non-atomized surface 102 of the heating sheet 10 is reduced, and when the heat on the non-atomized surface 102 is dissipated with the air, the heat added by the atomized surface 101 of the non-atomized surface 102 will also be reduced, so that the heat added to the non-atomized surface 102 by the atomized surface 101 can be reduced to reduce heat loss. Therefore, it is helpful to reduce the heat loss of the heating sheet 10, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the aerosol generating device composed of the heating structure.

[0066] In some embodiments, the heating plate 10 can be made of at least one of the metal materials such as iron-chromium-aluminum, stainless steel, nickel-chromium alloy, pure nickel, and pure titanium. The heating plate 10 made of these materials has fast heat generation, high thermal efficiency, high strength, certain corrosion resistance, and a long service life.

[0067] In some embodiments, please refer to Figures 2 to 4 , and combined with other drawings. The heating sheet 10 includes a plurality of conductive heating components 1 and a plurality of first heat-conducting members 2. The plurality of conductive heating components 1 are arranged at intervals along the first direction Y and are arranged in parallel. A plurality of first heat-conducting members 2 are connected between any two adjacent conductive heating components 1, and a plurality of first heat-conducting members 2 between any two adjacent conductive heating components 1 are arranged at intervals along the second direction X. Any two adjacent first heat-conducting members 2 and two adjacent conductive heating components 1 are surrounded to form a through hole 103. Among them, the first direction Y is perpendicular to the second direction X, the first direction Y is perpendicular to the thickness direction Z, and the second direction X is perpendicular to the thickness direction Z. Among them, the atomized surface 101 includes a first surface 1011, the non-atomized surface 102 includes a second surface 1021, and the conductive heating component 1 has a first surface 1011 and a second surface 1021 on opposite sides along the thickness direction Z, respectively, and the area of ​​the first surface 1011 is greater than the area of ​​the second surface 1021.

[0068] The conductive heating component 1 refers to a component structure on the heating sheet 10 for conducting electricity to generate heat, that is, the main heating part of the heating sheet 10. The first heat-conducting member 2 refers to a component on the heating sheet 10 for conducting heat.

[0069] The first direction Y refers to the approximate distribution direction of the plurality of conductive heat-generating components 1 , and the second direction X refers to the approximate distribution direction of the plurality of first heat-conducting members 2 between two adjacent conductive heat-generating components 1 .

[0070] It can be understood that the through hole 103 penetrates the heating sheet 10 along the thickness direction Z.

[0071] It can be understood that the current can pass through the multiple conductive heating components 1 in parallel, so that the multiple conductive heating components 1 generate heat when powered. The heat on the conductive heating components 1 can be transferred to the first heat-conducting member 2. Based on this, the heat on the conductive heating components 1 and the first heat-conducting member 2 can be used to heat the aerosol generating substrate.

[0072] The first surface 1011 and the second surface 1021 are surfaces on opposite sides of the conductive heating component 1 along the thickness direction Z, respectively. The first surface 1011 is a part of the atomized surface 101, and the second surface 1021 is a part of the non-atomized surface 102. That is, the area of ​​the first surface 1011 is the area of ​​the entire surface of one side of the conductive heating component 1 along the thickness direction Z, and the area of ​​the second surface 1021 is the area of ​​the entire surface of the other side of the conductive heating component 1 along the thickness direction Z.

[0073] It can be understood that the atomized surface 101 includes a plurality of first surfaces 1011, and each conductive heating component 1 has a first surface 1011 on one side along the thickness direction Z. The non-atomized surface 102 includes a plurality of second surfaces 1021, and each conductive heating component 1 has a second surface 1021 on the other side along the thickness direction Z.

[0074] The conductive heating component 1 has two opposite sides along the thickness direction Z, namely the first surface 1011 and the second surface 1021, and the area of ​​the first surface 1011 is larger than the area of ​​the second surface 1021, so that the heat loss of the conductive heating component 1 can be effectively reduced, that is, the heat loss of the main heating part of the heating sheet 10 can be effectively reduced, thereby effectively reducing the heat loss of the heating sheet 10. Therefore, it is helpful to reduce the heat loss of the heating sheet 10, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the aerosol generating device composed of the heating structure.

[0075] The through hole 103 formed by any two adjacent first heat-conducting members 2 and two adjacent conductive heating components 1 helps the heating sheet 10 to dissipate heat through the through hole 103 , thereby helping to reduce the problem of excessive local heat in the heating sheet 10 .

[0076] Furthermore, the provision of the through hole 103 also helps to balance the air pressure on the two opposite sides of the heating sheet 10 along the thickness direction Z, so that the air pressure at the atomizing core formed by the heating structure is balanced. This helps to improve the liquid supply balance of the aerosol generating matrix of the atomizing core formed by the heating structure and improve the burning problem.

[0077] In some embodiments, please refer to Figures 1 to 4 , and combined with other drawings. The conductive heating component 1 includes a plurality of conductive heating elements 11, and in the conductive heating component 1, the plurality of conductive heating elements 11 are sequentially connected along the second direction X to be conducted in series. The two ends of the conductive heating element 11 along the second direction X are respectively connected to two first heat-conducting elements 2 adjacent to each other along the second direction X, and the two first heat-conducting elements 2 adjacent to each other along the second direction X and the conductive heating elements 11 of the two adjacent conductive heating components 1 are surrounded to form a through hole 103. Among them, in the thickness direction Z, the area of ​​the side surface of the conductive heating element 11 used to form the first surface 1011 is greater than the area of ​​the side surface of the conductive heating element 11 used to form the second surface 1021.

[0078] The conductive heating element 11 refers to a component of the conductive heating assembly 1, and the conductive heating element 11 has a conductive property and is used to generate heat. That is, the conductive heating element 11 can generate heat when powered on to generate heat.

[0079] It can be understood that the first heat-conducting element 2 can be connected to the connection between two adjacent conductive heating elements 11 along the second direction X.

[0080] The conductive heating component 1 includes a plurality of conductive heating elements 11 which are connected in series in sequence. Thus, the size and shape of the through hole 103 can be adjusted by adjusting the shape of each conductive heating element 11, so that the heating sheet 10 can effectively dissipate heat through the through hole 103, and the air pressure on the two opposite sides of the heating sheet 10 along the thickness direction Z is balanced, so as to achieve the liquid supply balance of the aerosol generating matrix and improve the burning problem.

[0081] The current may pass through the multiple conductive heating elements 11 of the conductive heating assembly 1 in sequence, so that the multiple conductive heating elements 11 generate heat to generate heat.

[0082] In some embodiments, please refer to Figures 2 to 4, and combined with other drawings. The conductive heating element 11 includes two heating strips 111, and the two heating strips 111 are connected in sequence along the second direction X. In the conductive heating element 11, one end of the two heating strips 111 along the second direction X is relatively bent and connected to be conductive; the other ends of the two heating strips 111 are respectively connected to two first heat-conducting members 2 adjacent to each other along the second direction X. Among them, the two first heat-conducting members 2 adjacent to each other along the second direction X and the heating strips 111 of the two adjacent conductive heating components 1 are surrounded to form a through hole 103. Among them, the first surface 1011 includes a first sub-surface 10111, and the second surface 1021 includes a second sub-surface 10211. The opposite sides of the heating strip 111 along the thickness direction Z are respectively the first sub-surface 10111 and the second sub-surface 10211, and the area of ​​the first sub-surface 10111 is larger than the area of ​​the second sub-surface 10211.

[0083] The heating strip 111 is a component of the conductive heating element 11 that generates heat when electricity is supplied.

[0084] The first sub-surface 10111 and the second sub-surface 10211 are surfaces on opposite sides of the heating strip 111 along the thickness direction Z, respectively. The first sub-surface 10111 is a part of the first surface 1011, and the second sub-surface 10211 is a part of the second surface 1021. That is, the area of ​​the first sub-surface 10111 is the area of ​​the entire surface of one side of the heating strip 111 along the thickness direction Z, and the area of ​​the second sub-surface 10211 is the area of ​​the entire surface of the other side of the conductive heating component 1 along the thickness direction Z.

[0085] It can be understood that the first surface 1011 includes a plurality of first sub-surfaces 10111, and each heating strip 111 has a first sub-surface 10111 on one side along the thickness direction Z. The second surface 1021 includes a plurality of second sub-surfaces 10211, and each heating strip 111 has a second sub-surface 10211 on the other side along the thickness direction Z.

[0086] It can be understood that on the projection plane perpendicular to the thickness direction Z, the orthographic projection of the conductive heating element 11 is a broken line structure, so that the orthographic projection of the through hole 103 on the projection plane perpendicular to the thickness direction Z can be a polygon, which helps to improve the structural stability of the heating plate 10.

[0087] By making the area of ​​the first sub-surface 10111 larger than the area of ​​the second sub-surface 10211, the area of ​​the first surface 1011 formed by the first sub-surfaces 10111 of the plurality of heating strips 111 is larger than the area of ​​the second surface 1021 formed by the second sub-surfaces 10211 of the plurality of heating strips 111, thereby effectively improving the heat loss of the conductive heating component 1, that is, effectively reducing the heat loss of the main heating part of the heating sheet 10, thereby effectively reducing the heat loss of the heating sheet 10. Therefore, it is helpful to reduce the heat loss of the heating sheet 10, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the aerosol generating device composed of the heating structure.

[0088] In other embodiments, on the projection plane perpendicular to the thickness direction Z, the conductive heating element 11 may be arranged to extend in a straight line or may be a curved structure.

[0089] In some embodiments, please refer to Figures 2 to 5 , and combined with other drawings. Among them, Figure 5 for Figure 3 The enlarged view of the point A in the middle. On the projection plane perpendicular to the thickness direction Z, the orthographic projection of the first surface 1011 exceeds the orthographic projection of the second surface 1021 at two opposite sides along the width direction of the conductive heating component 1 .

[0090] By such arrangement, the area of ​​the first surface 1011 can be larger than the area of ​​the second surface 1021, so that the area of ​​the atomizing surface 101 can be larger than the area of ​​the non-atomizing surface 102. In this way, it can help to reduce the heat loss of the heating sheet 10, improve the energy utilization rate of the heating structure, and improve the atomization efficiency of the aerosol generating device.

[0091] Specifically, on the projection plane perpendicular to the thickness direction Z, the orthographic projection of the first sub-surface 10111 exceeds the orthographic projection of the second sub-surface 10211 on two opposite sides along the width direction of the heating strip 111. Based on this, the area of ​​the first surface 1011 formed by the plurality of first sub-surfaces 10111 can be greater than the area of ​​the second surface 1021 formed by the plurality of second sub-surfaces 10211.

[0092] For ease of description, the width direction of the heating bar 111 is defined as the first width direction a. The first width direction a is perpendicular to the thickness direction Z and the length extension direction of the heating bar 111. The length extension direction of the heating bar 111 is perpendicular to the thickness direction Z.

[0093] As an example, the first width direction a intersects with the first direction Y, but is not perpendicular to the first direction Y. The first width direction a intersects with the second direction X, but is not perpendicular to the first direction Y.

[0094] In other embodiments, on a projection plane perpendicular to the thickness direction Z, only one side of the orthographic projection of the first surface 1011 along the width direction of the conductive heating component 1 exceeds the orthographic projection of the second surface 1021 .

[0095] In some embodiments, please refer to Figures 2 to 4 , and in combination with other drawings. The atomized surface 101 further includes a third surface 1012 connected to the first surface 1011, and the non-atomized surface 102 further includes a fourth surface 1022 connected to the second surface 1021. The first heat-conducting member 2 has the third surface 1012 and the fourth surface 1022 on opposite sides along the thickness direction Z, and the area of ​​the third surface 1012 is greater than the area of ​​the fourth surface 1022.

[0096] The third surface 1012 and the fourth surface 1022 are surfaces on opposite sides of the first heat-conducting member 2 along the thickness direction Z, respectively. The third surface 1012 is a part of the atomized surface 101, and the fourth surface 1022 is a part of the non-atomized surface 102. That is, the area of ​​the third surface 1012 is the area of ​​the entire surface of one side of the first heat-conducting member 2 along the thickness direction Z, and the fourth surface 1022 is the area of ​​the entire surface of the other side of the first heat-conducting member 2 along the thickness direction Z.

[0097] It can be understood that the atomized surface 101 includes a plurality of first surfaces 1011 and a plurality of third surfaces 1012, and each first heat-conducting member 2 is provided with a third surface 1012 on one side along the thickness direction Z. The non-atomized surface 102 includes a plurality of second surfaces 1021 and a plurality of fourth surfaces 1022, and each first heat-conducting member 2 is provided with a fourth surface 1022 on the other side along the thickness direction Z.

[0098] The opposite sides of the first heat conducting member 2 along the thickness direction Z are respectively the third surface 1012 and the fourth surface 1022 , and the area of ​​the third surface 1012 is larger than that of the fourth surface 1022 , which is also helpful to reduce the heat loss of the heating sheet 10 .

[0099] In some embodiments, please refer to Figures 2 to 4 , Figure 6 , and combined with other drawings. Among them, Figure 6 for Figure 3 Enlarged view of point B in the figure. On the projection plane perpendicular to the thickness direction Z, the orthographic projection of at least one third surface 1012 exceeds the orthographic projection of the fourth surface 1022 at two opposite sides along the width direction of the first heat conducting member 2 .

[0100] For ease of description, the width direction of the first heat conducting member 2 is defined as the second width direction b. The second width direction b is perpendicular to the thickness direction Z and perpendicular to the length extension direction of the first heat conducting member 2. The length extension direction of the first heat conducting member 2 is perpendicular to the thickness direction Z.

[0101] As an example, the second width direction b is perpendicular to the first direction Y and parallel to the second direction X, and the length extension direction of the first heat conducting member 2 is parallel to the first direction Y.

[0102] Such configuration makes the area of ​​the third surface 1012 larger than the area of ​​the fourth surface 1022 .

[0103] In other embodiments, on a projection plane perpendicular to the thickness direction Z, only one side of the orthographic projection of the third surface 1012 along the width direction of the first heat conducting member 2 exceeds the orthographic projection of the fourth surface 1022 .

[0104] In some embodiments, please refer to Figures 2 to 4 , and combined with other drawings. The number of the conductive heating components 1 is two, and a plurality of second heat-conducting components 3 arranged at intervals along the second direction X are connected to the side of the conductive heating component 1 away from the first heat-conducting component 2 along the first direction Y, the atomized surface 101 also includes a fifth surface 1013 connected to the first surface 1011, and the non-atomized surface 102 also includes a sixth surface 1023 connected to the second surface 1021, and the second heat-conducting component 3 has the fifth surface 1013 and the sixth surface 1023 on opposite sides along the thickness direction Z, respectively, and the area of ​​the fifth surface 1013 is larger than the area of ​​the sixth surface 1023.

[0105] The second heat-conducting member 3 refers to a component with heat-conducting properties. The second heat-conducting member 3 is mainly used to dissipate the heat of the conductive heating component 1 to improve the problem of local overheating of the heating plate 10 .

[0106] The fifth surface 1013 and the sixth surface 1023 are surfaces on opposite sides of the second heat-conducting member 3 along the thickness direction Z, respectively. The fifth surface 1013 is a part of the atomized surface 101, and the sixth surface 1023 is a part of the non-atomized surface 102. That is, the area of ​​the fifth surface 1013 is the area of ​​the entire surface of one side of the second heat-conducting member 3 along the thickness direction Z, and the sixth surface 1023 is the area of ​​the entire surface of the other side of the second heat-conducting member 3 along the thickness direction Z.

[0107] It can be understood that the atomized surface 101 includes a plurality of first surfaces 1011, a plurality of third surfaces 1012, and a plurality of fifth surfaces 1013, and each second heat-conducting member 3 is provided with a fifth surface 1013 on one side along the thickness direction Z. The non-atomized surface 102 includes a plurality of second surfaces 1021, a plurality of fourth surfaces 1022, and a plurality of sixth surfaces 1023, and each second heat-conducting member 3 is provided with a sixth surface 1023 on the other side along the thickness direction Z.

[0108] The opposite sides of the second heat conducting member 3 along the thickness direction Z are respectively the fifth surface 1013 and the sixth surface 1023 , and the area of ​​the fifth surface 1013 is larger than that of the sixth surface 1023 , which also helps to reduce the heat loss of the heating sheet 10 .

[0109] In some embodiments, please refer to Figures 2 to 4 , Figure 7 , and combined with other drawings. Among them, Figure 7 for Figure 3 Enlarged view of point C in the middle. On the projection plane perpendicular to the thickness direction Z, the projection of at least one fifth surface 1013 exceeds the projection of the sixth surface 1023 on two opposite sides along the width direction of the second heat conducting member 3 .

[0110] For ease of description, the width direction of the second heat conducting member 3 is defined as the third width direction c. The third width direction c is perpendicular to the thickness direction Z and perpendicular to the length extension direction of the second heat conducting member 3. The length extension direction of the second heat conducting member 3 is perpendicular to the thickness direction Z.

[0111] As an example, the third width direction c is perpendicular to the first direction Y and parallel to the second direction X, and the length extension direction of the second heat conducting member 3 is parallel to the first direction Y.

[0112] Such configuration makes the area of ​​the fifth surface 1013 larger than the area of ​​the sixth surface 1023 .

[0113] In some embodiments, please refer to Figure 5 and Figure 8 , and combined with other drawings. Among them, Figure 8 for Figure 5 A side surface 104 is connected between the atomized surface 101 and the non-atomized surface 102 , and at least one side surface 104 is an inclined surface 104a inclined relative to the thickness direction Z, and an angle β∈[45°, 70°] is formed between the inclined surface 104a and the atomized surface 101 .

[0114] The side surface 104 refers to a surface used to connect the atomized surface 101 and the non-atomized surface 102 .

[0115] At least one side surface 104 is an inclined surface 104 a , and the inclined surface 104 a is inclined relative to the thickness direction Z.

[0116] Among them, Figure 2 , Figure 3 , Figure 5 and Figure 8 As shown, the side surface 104 of the conductive heating component 1 may be formed with an inclined surface 104 a , and specifically, the side surface 104 of the heating strip 111 is the inclined surface 104 a .

[0117] Among them, Figure 2 and Figure 3 As shown, at least one side surface 104 of the first heat conducting member 2 may be an inclined surface 104a.

[0118] Among them, Figure 2 and Figure 3 As shown, at least one side surface 104 of the second heat conducting member 3 may be an inclined surface 104a.

[0119] Among them, the angle β between the inclined surface 104a and the atomizing surface 101 can be 45°, 46°, 47°, 48°, 49°, 50°, 51°, 52°, 53°, 54°, 55°, 56°, 57°, 58°, 59°, 60°, 61°, 62°, 63°, 64°, 65°, 66°, 67°, 68°, 69°, 70°, etc.

[0120] With such a configuration, on the one hand, the area of ​​the non-atomizing surface 102 can be effectively smaller than the area of ​​the atomizing surface 101, and on the other hand, the heating sheet 10 as a whole has a better volume for powering on and generating heat, so that the heating sheet 10 can effectively heat the aerosol generating matrix when powered on.

[0121] In some embodiments, see Figure 1 The heating structure further includes a pin 20 , which is disposed on the non-atomized surface 102 and is electrically connected to the heating sheet 10 .

[0122] Specifically, there are two pins 20. When the heating structure is working, current can enter the heating sheet 10 from one of the pins 20, so that the heating sheet 10 is powered on to generate heat, and then flow out from the other pin 20 to achieve a closed loop.

[0123] The pins 20 are arranged on the non-atomizing surface 102 , which helps the atomizing surface 101 to contact the dielectric member, thereby helping to improve the effect of the heating sheet 10 heating the aerosol production matrix through the atomizing surface 101 .

[0124] In some embodiments, please refer to Figures 1 to 4 , and combined with other drawings. The heating sheet 10 may also include two conductive members 4, and the conductive member 4 refers to a component with conductive properties. The two conductive members 4 are respectively arranged on opposite sides of each conductive heating component 1 along the second direction X, and one of the conductive members 4 is connected to the first thermal conductive member 2 at one end of the heating sheet 10 along the second direction X for conduction; the other conductive member 4 is connected to the first thermal conductive member 2 at the other end of the heating sheet 10 along the second direction X for conduction. In this way, the through hole 103 is arranged between the two conductive members 4 along the second direction X. The pin 20 is arranged on the conductive member 4.

[0125] The atomizer core provided in the embodiment of the present application includes a heating structure and a dielectric member, and the dielectric member is arranged on the atomization surface 101 of the heating structure. Among them, the dielectric member is a liquid storage medium or a solid aerosol generating matrix. Among them, the heating structure in this embodiment is the same as the heating structure in the above embodiments. For details, please refer to the relevant description of the heating structure in the above embodiments, which will not be repeated here.

[0126] The atomizer core provided in the embodiment of the present application, by adopting the heating structure involved in the above embodiments, helps to reduce the heat loss of the heating structure, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the atomizer core.

[0127] The aerosol generating device provided in the embodiment of the present application includes an atomizing core. The atomizing core in this embodiment is the same as the atomizing core in the above embodiments. For details, please refer to the relevant description of the atomizing core in the above embodiments, which will not be repeated here.

[0128] The aerosol generating device provided in the embodiment of the present application, by adopting the atomization core involved in the above embodiments, helps to reduce the heat loss of the heating structure, thereby helping to improve the energy utilization rate of the heating structure and improve the atomization efficiency of the aerosol generating device.

[0129] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A heating structure, characterized in that: include: A heating sheet, wherein two opposite sides of the heating sheet along the thickness direction are respectively an atomized surface and a non-atomized surface, and the area of ​​the atomized surface is larger than the area of ​​the non-atomized surface.

2. The heating structure according to claim 1, characterized in that: The heating sheet comprises: A plurality of conductive heating components are arranged at intervals along a first direction and are arranged in parallel; A plurality of first heat-conducting members, wherein a plurality of the first heat-conducting members spaced apart along the second direction are connected between any two adjacent conductive heat-generating components, and any two adjacent first heat-conducting members and two adjacent conductive heat-generating components are surrounded to form a through hole; Wherein, the first direction, the second direction and the thickness direction are perpendicular to each other; The atomized surface includes a first surface, the non-atomized surface includes a second surface, the two opposite sides of the conductive heating component along the thickness direction are the first surface and the second surface respectively, and the area of ​​the first surface is greater than that of the second surface.

3. The heating structure according to claim 2, characterized in that: The conductive heating component comprises a plurality of conductive heating elements connected in sequence along the second direction for conduction, the two ends of the conductive heating element along the second direction are respectively connected to two adjacent first heat-conducting elements along the second direction, and the two adjacent first heat-conducting elements along the second direction and the conductive heating elements of the two adjacent conductive heating components are surrounded to form the through hole; Wherein, in the thickness direction, an area of ​​a side surface of the conductive heating element used to form the first surface is larger than an area of ​​a side surface of the conductive heating element used to form the second surface.

4. The heating structure according to claim 3, characterized in that: The conductive heating element comprises two heating strips, wherein one end of the two heating strips along the second direction is relatively bent and connected to be conductive, and the other end is respectively connected to two adjacent first heat-conducting elements along the second direction; Wherein, two adjacent first heat-conducting members along the second direction and the heating strips of two adjacent conductive heating components surround to form the through hole; The first surface includes a first sub-surface, the second surface includes a second sub-surface, the two opposite sides of the heating strip along the thickness direction are the first sub-surface and the second sub-surface respectively, and the area of ​​the first sub-surface is greater than that of the second sub-surface.

5. The heating structure according to claim 2, characterized in that: On a projection plane perpendicular to the thickness direction, the orthographic projection of the first surface extends beyond the orthographic projection of the second surface at two opposite sides along the width direction of the conductive heating component.

6. The heating structure according to claim 2, characterized in that: The atomized surface also includes a third surface connected to the first surface, and the non-atomized surface also includes a fourth surface connected to the second surface. The first heat conductor has the third surface and the fourth surface on opposite sides along the thickness direction, and the area of ​​the third surface is greater than that of the fourth surface.

7. The heating structure according to claim 6, characterized in that: On a projection plane perpendicular to the thickness direction, an orthographic projection of at least one of the third surfaces extends beyond an orthographic projection of the fourth surface at two opposite sides along the width direction of the first heat conducting member.

8. The heating structure according to claim 2, characterized in that: The number of the conductive heating components is two, and a plurality of second heat-conducting components spaced apart along the second direction are connected to a side of the conductive heating component away from the first heat-conducting component along the first direction, the atomized surface also includes a fifth surface connected to the first surface, and the non-atomized surface also includes a sixth surface connected to the second surface, and the opposite sides of the second heat-conducting component along the thickness direction are the fifth surface and the sixth surface, respectively, and the area of ​​the fifth surface is greater than that of the sixth surface.

9. The heating structure according to claim 8, characterized in that: On a projection plane perpendicular to the thickness direction, an orthographic projection of at least one of the fifth surfaces extends beyond an orthographic projection of the sixth surface at two opposite sides along the width direction of the second heat conducting member.

10. The heating structure according to any one of claims 1 to 9, characterized in that: A side surface is also connected between the atomized surface and the non-atomized surface, at least one of the side surfaces is an inclined surface inclined relative to the thickness direction, and an angle ∈[45°, 70°] between the inclined surface and the atomized surface.

11. The heating structure according to any one of claims 1 to 9, characterized in that: The heating structure further includes a pin, which is arranged on the non-atomized surface and is electrically connected to the heating sheet.

12. An atomizer core, characterized in that: include: The heating structure according to any one of claims 1 to 11; A dielectric member, disposed on the atomizing surface of the heating structure; Wherein, the medium element is a liquid storage medium or a solid aerosol generating matrix.

13. An aerosol generating device, characterized in that: Comprising the atomizer core according to claim 12.

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