Heating assembly and aerosol generating device

Abstract

A heating assembly (100) and an aerosol generating device (1000). The heating assembly (100) comprises a base (90), an outer tube (20), an inner tube (10), a first electrode (110), and a second electrode (120). The outer tube (20) is mounted on the base (90); the inner tube (10) comprises a first end (1031) and a second end (1032) opposite to each other, the first end (1031) of the inner tube (10) is arranged in the outer tube (20), and the second end (1032) of the inner tube (10) is arranged outside the outer tube (20) and is movably arranged relative to the base (90); the first electrode (110) and the second electrode (120) are at least partially arranged in the outer tube (20), the first electrode (110) and the second electrode (120) are opposite and spaced apart, and when the first electrode (110) and the second electrode (120) are energized, plasma is generated between the first electrode (110) and the second electrode (120).

Description

Heating components and aerosol generating devices

[0001] Priority information

[0002] This application claims priority and benefits of patent application No. 202311159739.2 filed with the State Intellectual Property Office of China on September 8, 2023, and the entire text of which is incorporated herein by reference. Technical Field

[0003] The present application relates to the technical field of aerosol generating devices, and in particular to a heating component and an aerosol generating device. Background Art

[0004] In related art, an aerosol-generating device includes an outer tube and an inner tube, with the inner tube at least partially disposed within the outer tube. The outer tube can contact an aerosol-forming substrate, and the aerosol-generating device can heat the aerosol-forming substrate using plasma heating to form an aerosol. However, since the outer tube is susceptible to lateral forces during connection with the aerosol-forming substrate, the inner tube is susceptible to the forces acting on it by the outer tube, resulting in defects such as breakage.

[0005] Summary of the Invention

[0006] The present application provides a heating component and an aerosol generating device.

[0007] The heating component of the embodiment of the present application includes a base, an outer tube, an inner tube, a first electrode and a second electrode, wherein:

[0008] The outer tube is mounted on the base;

[0009] The inner tube includes a first end and a second end opposite to each other, the first end of the inner tube is disposed inside the outer tube, and the second end of the inner tube is disposed outside the outer tube and is movably disposed relative to the base;

[0010] The first electrode and the second electrode are at least partially arranged in the outer tube, the first electrode and the second electrode are opposite to each other and spaced apart, and plasma is generated between the first electrode and the second electrode when power is applied to the first electrode and the second electrode.

[0011] The heating component of the embodiment of the present application sets the second end of the inner tube to be movable relative to the base, so that when the outer tube is subjected to a lateral force during the connection between the outer tube and the aerosol forming matrix, the inner tube and the outer tube can move in the same part relative to the base, thereby making it less likely for the inner tube to form defects such as breakage, thereby improving the reliability of the heating component.

[0012] In some embodiments, the base includes a first bracket and a second bracket detachably connected to the first bracket, the first bracket and the second bracket together enclose an installation space, the outer tube is installed on the second bracket and partially arranged in the installation space, and the second end of the inner tube is movably arranged in the installation space.

[0013] In some embodiments, the first bracket includes a bottom wall and a side wall connected to the bottom wall, the second bracket is installed on the side wall, the second end of the inner tube faces the bottom wall and is spaced apart from the bottom wall, the first electrode is partially arranged outside the inner tube from the second end of the inner tube, and the heating component includes a wire, which is electrically connected to the first electrode.

[0014] In some embodiments, the heating component includes a connector connected to an end of the first electrode located outside the inner tube, and one end of the wire is connected to the connector.

[0015] In some embodiments, the heating component includes a fixing member disposed on the bottom wall, and the fixing member is fixedly connected to the wire.

[0016] In some embodiments, the heating component includes a connector connecting an outer wall of the outer tube and the base to limit the axial movement of the outer tube relative to the base.

[0017] In some embodiments, a connector connects the outer tube and the inner tube.

[0018] In some embodiments, the heating component includes an elastic member, which is sleeved outside the outer tube and connects the outer tube and the base.

[0019] In some embodiments, the first electrode is at least partially disposed in the inner tube, and at least a portion of the second electrode is disposed at one end of the inner tube.

[0020] In some embodiments, the heating component includes an insulating member, which is sleeved on the inner tube and surrounds a portion of the first electrode located outside the inner tube.

[0021] The aerosol generating device according to the embodiment of the present application includes the heating component according to any one of the above embodiments.

[0022] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] FIG1 is a schematic structural diagram of an aerosol generating device according to an embodiment of the present application;

[0025] FIG2 is a schematic structural diagram of a heating component according to an embodiment of the present application;

[0026] FIG3 is a schematic structural diagram of the heating component of FIG2 from a top view;

[0027] FIG4 is a schematic structural diagram of the heating component of FIG2 from a bottom-up perspective;

[0028] FIG5 is a schematic cross-sectional view of the heating component of FIG3 along the AA direction;

[0029] FIG6 is a schematic diagram of the exploded structure of the heating component according to an embodiment of the present application;

[0030] FIG7 is a schematic structural diagram of a base according to an embodiment of the present application;

[0031] FIG8 is a schematic cross-sectional view of the heating component of FIG3 along the BB direction;

[0032] FIG9 is a cross-sectional schematic diagram of a heating component according to another embodiment of the present application;

[0033] FIG10 is a schematic structural diagram of an elastic member according to an embodiment of the present application;

[0034] FIG11 is a schematic structural diagram of an insulating member according to an embodiment of the present application.

[0035] Explanation of the accompanying drawings: Aerosol generating device 1000, power supply 200, aerosol forming matrix 300, control center 400, cover body 500; heating component 100, inner tube 10, first end 1031, second end 1032, outer tube 20, tapered end 21, open end 22, first electrode 110, wire 113, second electrode 120, discharge area 130, conductive member 30, connecting wire 33, insulating member 40, connector 50, elastic member 70, connecting member 71, base 90, first bracket 91, bottom wall 911, side wall 912, mounting handle 913, second bracket 92, mounting hole 921, top surface 922, side circumference 923, mounting buckle 924, mounting space 930, first outlet hole 931, second outlet hole 932, fixing member 940, second fixing member 942. DETAILED DESCRIPTION

[0036] The 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 only used to explain the present application, and should not be understood as limiting the present application.

[0037] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", 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 this 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 operate in a specific orientation, and therefore cannot be understood as limiting this application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0038] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0039] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0040] The disclosure below provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0041] Referring to FIG1 , the present application provides a heating component 100 and an aerosol generating device 1000. The heating component 100 is used in the aerosol generating device 1000 to heat an aerosol generating substrate 300 using plasma to form an aerosol. The aerosol generated in the aerosol generating device 1000 can be used for various purposes, including food, medicine, and industrial production.

[0042] 2-5 , the heating assembly 100 according to the embodiment of the present application includes a base 90, an outer tube 20, an inner tube 10, a first electrode 110, and a second electrode 120. The outer tube 20 is mounted on the base 90. The inner tube 10 includes a first end 1031 and a second end 1032 opposite to each other. The first end 1031 of the inner tube 10 is disposed within the outer tube 20, and the second end 1032 of the inner tube 10 is disposed outside the outer tube 20 and is movable relative to the base 90.

[0043] The first electrode 110 and the second electrode 120 are at least partially disposed in the outer tube 20 . The first electrode 110 and the second electrode 120 are disposed opposite to each other and spaced apart. When the first electrode 110 and the second electrode 120 are energized, plasma is generated between the first electrode 110 and the second electrode 120 .

[0044] It should be noted that the first electrode 110 and the second electrode 120 can be connected to either direct current or alternating current. When direct current is applied to the first electrode 110 and the second electrode 120, the first electrode 110 and the second electrode 120 use the direct current to form a plasma; when alternating current is applied to the first electrode 110 and the second electrode 120, the first electrode 110 and the second electrode 120 use the alternating current to form a plasma.

[0045] The heating component 100 of the embodiment of the present application sets the second end 1032 of the inner tube 10 to be movable relative to the base 90, so that when the outer tube 20 is subjected to a lateral force during the connection between the outer tube 20 and the aerosol-forming matrix 300, the inner tube 10 and the outer tube 20 can move synchronously relative to the base 90, thereby making it less likely for the inner tube 10 to form defects such as breakage, thereby improving the reliability of the heating component 100.

[0046] Referring to Figures 5 and 6 , the outer tube 20 may be a hollow tube, with one end having an opening and the other end being closed at opposite axial ends of the outer tube 20. The closed end of the outer tube 20 may be inserted into the aerosol-forming substrate 300 and project outwardly to form a tapered end 21. The open end of the outer tube 20 may be an open end 22. The open end 22 is at least partially inserted into the base 90, allowing the outer tube 20 to be mounted on the base 90.

[0047] The inner tube 10 can be a hollow tube, with a first end 1031 and a second end 1032 of the inner tube 10 being axially opposite ends of the inner tube 10. The inner tube 10 extends from the opening of the outer tube 20 into the outer tube 20 and is partially inserted into the outer tube 20. The first end 1031 of the inner tube 10 is completely located within the hollow body of the outer tube 20, near the tapered end 21 of the outer tube 20. The inner tube 10 can be substantially coaxial with the outer tube 20, extending from the tapered end 21 to the open end 22 within the outer tube 20 along the axial direction of the outer tube 20. The second end 1032 of the inner tube 10 is exposed outside the outer tube 20 through the opening and is inserted into the base 90 along with the outer tube 20.

[0048] The inner tube 10 is movable relative to the base 90, meaning that the second end 1032 can move relative to the base when an external force is applied to the inner tube 10. It should be noted that when no external force is applied to the inner tube 10, the second end 1032 remains fixed relative to the base 90.

[0049] The direction from the tapered end 21 to the open end 22 along the axial direction of the outer tube 20 may be from top to bottom. The upper end of the outer tube 20 is inserted into the aerosol-forming substrate 300, and the lower end is mounted in the base 90. The direction from the first end 1031 to the second end 1032 along the axial direction of the inner tube 10 is from top to bottom.

[0050] In the related art, the inner tube is partially inserted into the outer tube, the upper end of the inner tube is inserted into the aerosol-forming matrix along with the outer tube, and the lower end of the inner tube is fixed in the base. The upper end of the outer tube is subjected to a lateral force, which drives the upper end of the inner tube or the entire tube to tilt relative to the base, so that the upper end of the inner tube is bent relative to the lower end of the inner tube, and the inner tube is easily broken.

[0051] The second end 1032 of the inner tube 10 in the embodiment of the present application is disposed within the base 90 and is movable relative to the base 90. The second end 1032 can translate, rotate, deflect, etc. relative to the base 90. The second end 1032 can move forward, backward, left, right, up, or down relative to the base 90. For example, when a lateral force is applied to the outer tube 20, the outer tube 20 drives the inner tube 10 as a whole to tilt relative to the base 90, and the second end 1032 of the inner tube 10 can swing left and right relative to the base 90. This reduces the influence of the force caused by the tilt on the inner tube 10 as a whole, making it less likely to bend or break.

[0052] In some embodiments, as shown in FIG. 5 , both the first end 1031 and the second end 1032 of the inner tube 10 have openings. A second electrode 120 is disposed at the first end 1031, covering the opening of the first end 1031. The first electrode 110 extends into the inner tube 10 through the opening of the second end 1032, facing the second electrode 120 and spaced a predetermined distance apart. The first electrode 110 and the second electrode 120 are connected to the two poles of a power source 200, respectively. Discharge and breakdown can occur between the first electrode 110 and the second electrode 120, generating plasma through arc discharge. The generation of the arc may be accompanied by a hissing sound. The area within the inner tube 10 where the first electrode 110 and the second electrode 120 face each other and are spaced apart is a discharge region 130, where plasma is generated.

[0053] In some embodiments, as shown in FIG9 , the second end 1032 of the inner tube 10 has an opening, while the first end 1031 is closed. The first electrode 110 extends from the opening of the second end 1032 into the inner tube 10 and extends to the first end 1031. The second electrode 120 can be disposed outside the inner tube 10, opposite the first electrode 110. In the region where the first electrode 110 and the second electrode 120 face each other, at least a portion of the inner tube 10 forms a gap with the first electrode 110 and / or the second electrode 120, and plasma is generated in the gap. In this embodiment, plasma is generated between the first electrode 110 and the second electrode 120 via dielectric barrier discharge (DBD). Dielectric barrier discharge is a high-voltage discharge between two electrodes separated by an insulating dielectric barrier. The insulating dielectric is a material with very low electrical conductivity. The DBD process is uniform, stable, and nearly silent.

[0054] It can be understood that plasma is a form of matter that contains a large number of charged particles and neutral atoms and molecules, and maintains electrical neutrality as a whole. Plasma can be generated by the ionization of gas under the action of an electric field. The plasma generation process can generate a large amount of heat, and the plasma temperature in a stable state can reach above 1000°C. The heating component 100 of the embodiment of the present application utilizes the plasma generation process and the high temperature of the plasma to heat the aerosol-forming matrix 300, so that the aerosol-forming matrix 300 is atomized to form an aerosol.

[0055] In some embodiments, a working gas can be filled between the first electrode 110 and the second electrode 120 to generate plasma through ionization. The working gas can be air, nitrogen, argon, carbon dioxide, or the like. The outer tube 20 and the base 90 can form a sealed space to prevent leakage of the working gas and contamination caused by spillage of byproducts of the ionized working gas.

[0056] The inner tube 10 and the outer tube 20 can both be made of materials with relatively high insulation strength, for example, the outer tube 20 and the inner tube 10 can be made of materials such as quartz, ceramics, and quartz glass.

[0057] The first electrode 110 and the second electrode 120 can be made of a material with high conductivity, such as nickel and nickel-based alloys, iron alloys, copper-based alloys, zirconium, hafnium, tungsten, etc. The materials used for the first electrode 110 and the second electrode 120 can be matched with the type of working gas.

[0058] Please refer to Figures 5-7. In some embodiments, the base 90 includes a first bracket 91 and a second bracket 92 detachably connected to the first bracket 91. The first bracket 91 and the second bracket 92 together form an installation space 930. The outer tube 20 is installed on the second bracket 92 and partially disposed in the installation space 930. The second end 1032 of the inner tube 10 is movably disposed in the installation space 930.

[0059] In this way, the outer tube 20 and the components disposed in the outer tube 20 can be stably mounted on the base 90 , and the second end 1032 can move within a certain range relative to the base 90 .

[0060] Specifically, the first bracket 91 has an opening on one side, and the second bracket 92 can overlap the first bracket 91, covering the opening of the first bracket 91. The outer tube 20 is mounted above the base 90 relative to the base 90, with the lower end of the outer tube 20 disposed in the installation space 930. The first bracket 91 and the second bracket 92 can overlap each other from top to bottom, together enclosing the installation space 930. In some embodiments, the first bracket 91 and the second bracket 92 can also be interlocked from side to side, together enclosing the installation space 930, with the outer tube 20 extending into the installation space 930 from between the first bracket 91 and the second bracket 92.

[0061] In some embodiments, the first bracket 91 and the second bracket 92 overlap, with the second bracket 92 covering the opening on the upper side of the first bracket 91. The outer tube 20 extends through the second bracket 92, with the lower end of the outer tube 20 inserted into the installation space 930. The second bracket 92 has a mounting hole 921 in its center. The diameter of the mounting hole 921 can match the outer diameter of the outer tube 20. The outer tube 20 can be inserted into the second bracket 92 through the mounting hole 921. The outer tube 20 has one open end, namely, the open end 22, which extends into the installation space 930. The outer tube 20 stands upright relative to the base 90, with the axial direction of the outer tube 20 being approximately perpendicular to the top surface 922 of the second bracket 92. The first end 1031 of the inner tube 10 is located within the outer tube 20, and the second end 1032 can be exposed outside the outer tube 20 through the open end 22 and extend into the installation space 930. The inner tube 10 is coaxial with the outer tube 20 and also stands upright relative to the base 90.

[0062] The inner tube 10 is encased in the outer tube 20 and extends through the mounting hole 921 into the mounting space 930. The inner tube 10 can maintain a certain clearance with both the second bracket 92 and the first bracket 91, without directly contacting the base 90. The second end 1032 of the inner tube 10, under the force of the outer tube 20, can translate, rotate, deflect, etc. relative to the second bracket 92 and the first bracket 91 in the axial or radial direction of the outer tube 20. For example, during insertion of the outer tube 20 into the aerosol-forming substrate 300, the outer tube 20 is subjected to a lateral force, causing the tapered end 21 to deflect radially along the outer tube 20, while the open end 22 remains fixed to the base 90. Driven by the deflection of the tapered end 21, the first end 1031 of the inner tube 10 deflects in the same direction as the tapered end 21. The second end 1032 can deflect a certain distance within the mounting space 930 in a direction opposite to the deflection direction of the first end 1031, thereby allowing the inner tube 10 to deflect relative to the outer tube 20 as a whole while maintaining its upright position. This movement process can also be regarded as the inner tube 10 swinging relative to the mounting hole 921. It should be noted that the "upright" mentioned above does not mean vertical, but rather does not bend.

[0063] In some embodiments, the cross-section of the end of the outer tube 20 disposed within the installation space 930 is enlarged relative to the area of ​​the end in contact with the aerosol-forming substrate 300 to enhance the strength of the end of the outer tube 20 for installation and reduce the possibility of defects such as breakage of the outer tube 20 under the action of lateral forces.

[0064] Please refer to Figures 5, 7 and 8. In some embodiments, the first bracket 91 includes a bottom wall 911 and a side wall 912 connected to the bottom wall 911. The second bracket 92 is installed on the side wall 912. The second end 1032 of the inner tube 10 faces the bottom wall 911 and is spaced apart from the bottom wall 911. The first electrode 110 is partially arranged outside the inner tube 10 from the second end 1032 of the inner tube 10. The heating component 100 includes a wire 113, which is electrically connected to the first electrode 110.

[0065] In this way, the second end 1032 of the inner tube 10 , the first electrode 110 extending out of the second end 1032 , and the wire 113 can be placed in the base 90 .

[0066] Specifically, the bottom wall 911 and the side wall 912 of the first bracket 91 form a hollow structure with an opening on one side. The second bracket 92 covers the opening of the first bracket 91, is engaged with the side wall 912, and is opposite to the bottom wall 911. The second bracket 92 includes a top surface 922 and a side wall 923. The top surface 922 covers the opening of the first bracket 91 and is opposite to the bottom wall 911. The mounting hole 921 can pass through the center of the top surface 922. The top surface 922, the side wall 912 and the bottom wall 911 together define an installation space 930. The side wall 923 surrounds the top surface 922 and extends from the top surface 922 toward the bottom wall 911.

[0067] In some embodiments, the side panels 923 are provided with mounting buckles 924, which may be protruding in a direction away from the mounting space 930. The side walls 912 may be provided with mounting grooves 913 that match the shape of the mounting buckles 924. The second bracket 92 may be mounted on the side walls 912 by inserting the side panels 923 into the mounting space 930 along the side walls 912, with the mounting buckles 924 engaging with the mounting grooves 913 to securely connect the second bracket 92 to the first bracket 91. This embodiment is one method of connecting the components of the base 90. The components of the base 90 may also be connected by bonding, mortise and tenon joints, screw locking, or other methods.

[0068] The second end 1032 of the inner tube 10 passes through the second bracket 92 through the mounting hole 921 at the center of the second bracket 92 and extends axially toward the bottom wall 911 of the inner tube 10. The end surface of the second end 1032 is spaced a certain distance from the bottom wall 911. The second end 1032 is also spaced a certain distance from the side wall 912 or the side panel 923 along its own circumference.

[0069] Exemplarily, the second end 1032 of the inner tube 10 has an opening, and the first electrode 110 partially extends from the opening of the second end 1032 to the outside of the inner tube 10 and into the installation space 930. The portion of the first electrode 110 extending into the inner tube 10 is enclosed by the inner tube 10 and is opposite and spaced apart from the second electrode 120. The portion of the first electrode 110 extending out of the inner tube 10 extends axially along the inner tube 10 and toward the bottom wall 911, spaced a certain distance from the bottom wall 911. Clearly, in the axial direction of the inner tube 10, the distance between the end surface of the second end 1032 and the bottom wall 911 is greater than the distance between the end surface of the first electrode 110 facing the bottom wall 911 and the bottom wall 911.

[0070] One end of the first electrode 110 facing the bottom wall 911 is electrically connected to a wire 113, which is then connected to one terminal of the power supply 200. The wire 113 is a flexible wire that connects the first electrode 110 to one output terminal of the power supply 200. One end of the wire 113 extends into the mounting space 930 and is electrically connected to the first electrode 110. The other end of the wire 113 can pass through the bottom wall 911 or the side wall 912 and extend outside the heating component 100 to connect to the power supply 200.

[0071] Referring to FIG. 5 and FIG. 6 , in some embodiments, the heating component 100 includes a connector 50 connected to one end of the first electrode 110 located outside the inner tube 10 , and one end of the wire 113 is connected to the connector 50 .

[0072] In this way, the end of the first electrode 110 extending outside the inner tube 10 and the end of the wire 113 electrically connected to the first electrode 110 can be fixed together through the connector 50, so that the electrical connection between the first electrode 110 and the wire 113 remains stable.

[0073] Specifically, the connector 50 is located in the installation space 930 and can be set in the interval between the second end 1032 and the bottom wall 911, extending along the axial direction of the inner tube 10. Along the axial direction of the inner tube 10, the end surface of the upper end of the connector 50 can be close to and cover the end surface of the second end 1032 facing the bottom wall 911, and there is a certain gap between the end surface of the lower end of the connector 50 and the bottom wall 911. The connector 50 can be disc-shaped with a through hole in the center. The first electrode 110 and the wire 113 can be inserted into the connector 50 so that the connector 50 covers the portion of the first electrode 110 exposed at the second end 1032. The connector 50 can be a conductive element, electrically connected to the first electrode 110, and at the same time connected to one end of the wire 113. The first electrode 110 can be connected to the power supply 200 through the connector 50 and the wire 113.

[0074] Referring to Figures 4 and 5, in some embodiments, the heating component 100 includes a fixing member 940 disposed on the bottom wall 911, and the fixing member 940 is fixedly connected to the wire 113. It should be noted that the wire 113 has a certain amount of movement between the connector 50 and the fixing member 940, and the portion of the wire 113 that extends from the bottom wall 911 outside the installation space 930 can also move relative to the base 90. The movement of the wire 113 between the connector 50 and the fixing member 940 reduces the restriction on the movement of the inner tube 10 when the outer tube 20 and the inner tube 10 are tilted as a whole, thereby reducing the pulling force of the wire 113 on the inner tube 10.

[0075] In this way, the fixing member 940 limits the movement of the wire 113 on the bottom wall 911, which can reduce the force on the inner tube 10 caused by the movement of the wire 113, thereby reducing the probability of defects such as breakage of the inner tube 10.

[0076] Specifically, a first wire outlet hole 931 may be defined in the bottom wall 911, and a fixing member 940 may be disposed within the first wire outlet hole 931. The fixing member 940 has a passageway that allows the wire 113 to pass through the passageway. One end of the wire 113 passes through the fixing member 940 and connects to the connector 50. The first wire outlet hole 931 may be located opposite the second end 1032 along the axial direction of the inner tube 10. The wire 113 may extend substantially along the axial direction of the inner tube 10 between the fixing member 940 and the connector 50.

[0077] In some embodiments, the fixing member 940 may be a wire clip, a wire clamp, or the like. The wire 113 passes through the fixing member 940 and is clamped to the bottom wall 911 by the fixing member 940. The position of the wire 113 passing through the bottom wall 911 is fixed by the fixing member 940, so that the movement of the wire 113 relative to the bottom wall 911 is limited by the fixing member 940. The fixing member 940 and the size of the passageway of the fixing member 940 can match the diameter and number of the wires 113.

[0078] The length of the wire 113 between the fixing member 940 and the connector 50 can be slightly greater than the straight-line distance between the fixing member 940 and the connector 50. The wire 113 is kept slack between the fixing member 940 and the connector 50, so that the wire 113 has a certain amount of movement between the first electrode 110 and / or the connector 50 and the bottom wall 911, allowing for a certain amount of deflection or twisting relative to the bottom wall 911. It will be understood that if the wire 113 moves relative to the bottom wall 911 with an excessive range of movement, the wire 113 is easily tensed, thereby pulling on the first electrode 110 and the inner tube 10. Therefore, limiting the movement of the wire 113 relative to the bottom wall 911 by the fixing member 940 can reduce the probability of the inner tube 10 being subjected to stress and causing defects.

[0079] In some embodiments, the fixing member 940 is a conductive element, and the wire 113 is electrically connected to the fixing member 940. The fixing member 940 and the wire 113 can be fixedly connected by welding or other methods. The fixing member 940 can be made of a metal or alloy material with good electrical conductivity. The fixing member 940 can be an electrode connector 50 fixed to the base 90, or it can be a pad formed by welding the wire 113 to the bottom wall 911. The fixing member 940 with conductive properties can strengthen the fixing effect of the wire 113 and the connector 50, while improving the stability of the electrical connection.

[0080] In other embodiments, when the wire 133 has a sufficient stretching length, the fixing member 940 can be omitted. In this case, the wire 133 can be passed through the bottom wall 911, and deformation sections such as bending and winding can be set between the connector 50 and the bottom wall 911, so that when the wire 133 is stretched, the wire 133 can be unfolded, thereby reducing the force on the wire 133 and the connector 50.

[0081] Referring to Figures 2 and 5 , in some embodiments, the second electrode 120 is electrically connected to the other terminal of the power source 200 via the connecting wire 33. A second wire outlet hole 932 may be defined in the side wall 912, through which the connecting wire 33 can pass to connect to the power source 200. A second fixing member 942 may be disposed within the second wire outlet hole 932 to restrict movement of the connecting wire 33 relative to the base 90. Similarly, the second fixing member 942 can reduce the force applied to the inner tube 10 due to movement of the second electrode 120 caused by movement of the connecting wire 33, further reducing the possibility of fracture of the inner tube 10.

[0082] The second fixing member 942 is spaced a certain distance from the fixing member 940. Preferably, the insulation distance between the second fixing member 942 and the fixing member 940 is greater than the distance between the first electrode 110 and the second electrode 120 to ensure the insulation strength between the connecting wire 33 and the wire 113 and reduce the possibility of discharge and breakdown between the connecting wire 33 and the wire 113 before the first electrode 110 and the second electrode 120.

[0083] In some embodiments, a sufficient insulation distance is maintained between the fixing member 940 and the second fixing member 942. The fixing member 940 can be set on the bottom wall 911, or on the side wall 912 opposite to the second fixing member 942, or can be fixed to a certain position in the installation space 930 relative to the base 90 by a hook, a hanging ring, etc.

[0084] 5 and 8 , in some embodiments, the heating assembly 100 includes a connector 71 , which connects the outer wall of the outer tube 20 and the base 90 to limit the axial movement of the outer tube 20 relative to the base 90 .

[0085] In this way, the connector 71 can provide support for the outer tube 20 during the insertion of the outer tube 20 into the aerosol-forming substrate 300 , maintaining the relative positions of the outer tube 20 and the aerosol-forming base 90 and the base 90 in the axial direction of the outer tube 20 .

[0086] In one example, the connector 71 may be a sleeve having certain elasticity and insulation properties. The connector 71 may be independently formed relative to the base 90 and sleeved on the outer tube 20 through an assembly process.

[0087] In another example, the connector 71 can also be a part formed by curing a thermosetting insulating material poured between the outer tube 20 and the upper base 90. The thermosetting insulating material used to form the connector 71 by pouring can be selected from polyurethane, silicone, epoxy resin, etc. The thermosetting insulating material is in liquid form in the early stage of the manufacturing or molding process and can be poured between the outer tube 20 and the second bracket 92, the outer tube 20 and the side wall 912, and the outer tube 20 and the bottom wall 911. After curing, the connector 71 is formed to bond and fix the outer tube 20 to the base 90. The cured connector 71 is insoluble in water and difficult to heat-melt or soften again. At the same time, the glue pouring can also improve the sealing performance of the outer tube 20 and the base 90, prevent the leakage of working gas or discharge odor, and prevent moisture and dust.

[0088] The outer tube 20 is inserted into the base 90 through the mounting hole 921 of the second bracket 92. The opening of the open end 22 is opposite and spaced a certain distance from the bottom wall 911. The outer wall of the outer tube 20 is partially inserted into the base 90, opposite and spaced a certain distance from the side wall 912 or the side panel 923. The connector 71 connects the outer wall of the outer tube 20 to the base 90, providing support for the outer tube 20 and enhancing the stability of the lower end of the outer tube 20.

[0089] 5 and 8 , in some embodiments, the connector 71 connects the outer tube 20 and the inner tube 10 .

[0090] In this way, the inner tube 10 and the outer tube 20 are connected to form a whole through the connecting piece 71, and then connected in an integral manner in the second bracket 92, so that the inner tube 10 and the outer tube 20 can move synchronously relative to the base 90, greatly improving the stress strength of the outer tube 20 and significantly reducing the probability of the inner tube 10 breaking.

[0091] In some embodiments, the connector 71 may be a sleeve that fits over the open end 22, enclosing the open end 22 and the inner tube 10 extending therefrom. The connector 71 may be made of an insulating material with a certain degree of elasticity, such as silicone or rubber. The elastic connector 71 encloses the end of the outer tube 20 extending into the base 90 and the inner tube 10 extending outside the outer tube 20, thereby connecting the inner tube 10 within the base 90 to the outer tube 20.

[0092] In some embodiments, the connector 71 is formed by pouring glue and curing it between the top surface 922 and the side enclosure 923 of the second bracket 92, and between the side enclosure 923 and the side wall 912 of the first bracket 91. The connector 71 formed after curing covers the outer wall of the end of the outer tube 20 extending into the base 90 and the outer wall of the inner tube 10 extending from the outer tube 20. The outer tube 20 and the inner tube 10 extending into the installation space 930 are bonded together by the connector 71. Pouring glue into the base 90 can also prevent direct exposure of components and circuits in the base 90, improve the insulation between components and circuits, and facilitate miniaturization and lightweighting of the heating component 100.

[0093] It should be noted that the connector 71 is formed by glue pouring, and the glue poured into the base 90 should be avoided from entering the inner tube 10 and the outer tube 20 to avoid the temperature of the heating component 100 rising and the connector 71 expanding and contracting due to heat and cooling, causing the inner tube 10 or the outer tube 20 to burst.

[0094] Referring to FIG. 5 and FIG. 10 , in some embodiments, the heating component 100 includes an elastic member 70 . The elastic member 70 is sleeved outside the outer tube 20 and connects the outer tube 20 and the base 90 .

[0095] In this way, the elastic member 70 can fix the outer tube 20 and improve the mechanical impact resistance of the heating component 100. In some embodiments, the second bracket 92 is filled with glue to form the connecting member 71, and the elastic member 70 can act as a seal at the mounting hole 921 to prevent the glue from leaking out of the base 90.

[0096] Specifically, the elastic member 70 can be in the shape of a hollow tube, and can be sleeved outside the tube section of the outer tube 20 inserted into the mounting hole 921. The elastic member 70 can be a through tube, and the outer tube 20 is passed through the elastic member 70. The elastic member 70 has a certain elasticity, wraps the outer tube 20, the inner tube 10 and the first electrode 110, and can be assembled with the outer tube 20 by interference extrusion, thereby improving the coaxiality of the outer tube 20 and the inner tube 10, thereby making the temperature distribution of the heating component 100 more uniform. The second bracket 92, the outer tube 20, the elastic member 70 and the inner tube 10 can be fixedly connected together by the connecting member 71. The elastic member 70 can be made of an insulating material with a certain elasticity, for example, the elastic member 70 can be made of rubber, silicone and other materials.

[0097] Referring to FIG. 5 , FIG. 6 and FIG. 8 , in some embodiments, the first electrode 110 is at least partially disposed in the inner tube 10 , and at least a portion of the second electrode 120 is disposed at one end of the inner tube 10 .

[0098] In this manner, the first electrode 110 and the second electrode 120 face each other in the inner tube 10 , and a plasma arc is generated in the discharge region 130 between the first electrode 110 and the second electrode 120 to form plasma.

[0099] For example, both the first end 1031 and the second end 1032 of the inner tube 10 may have openings. The first electrode 110 is cylindrical, partially inserted into the inner tube 10 and partially exposed outside the inner tube 10 at the second end 1032. The end of the first electrode 110 inserted into the inner tube 10 is spaced a predetermined distance from the end surface of the first end 1031. The portion of the first electrode 110 exposed at the second end 1032 is connected to a wire 113, which is then connected to an output terminal of the power supply 200. The second electrode 120 is disc-shaped and covers the opening at the first end 1031. The first and second electrodes 110, 120 discharge in the discharge region 130 to generate plasma.

[0100] The second electrode 120 is connected to the other output terminal of the power supply 200 via the conductive member 30. The conductive member 30 can be coated on the outer wall of the inner tube 10, surrounding the second electrode 120 at the first end 1031, and electrically connected to the second electrode 120. The conductive member 30 can extend axially from the first end 1031 to the second end 1032 of the inner tube 10, and be spaced a predetermined distance from the first electrode 110 exposed at the second end 1032.

[0101] The conductive member 30 includes a connection wire 33, which can connect the conductive member 30 to the other output terminal of the power supply 200. It should be noted that the conductive member 30 and the second electrode 120 can be integrally formed components of the same material, or they can be two independent parts. This application does not limit whether the conductive member 30 and the second electrode 120 are integral or separate.

[0102] The outer tube 20 encloses the first electrode 110, the second electrode 120, the conductive member 30, and the inner tube 10 and is inserted into the second bracket 92. The portion of the first electrode 110 protruding from the inner tube 10 at the second end 1032 extends into the installation space 930 along the second end 1032. The portion of the first electrode 110 extending from the second end 1032 to the bottom wall 911 connects the connector 50 and the wire 113. The wire 113 can continue to extend axially along the inner tube 10 between the connector 50 and the fixing member 940, passing through the bottom wall 911 from the fixing member 940, and exiting the base 90. The conductive member 30 can extend axially along the inner tube 10 into the installation space 930, where it connects to the connection wire 33. The connection wire 33 can extend radially along the outer tube 20, passing through the second fixing member 942 on the side wall 912 and exiting the base 90.

[0103] Referring to FIG. 5 and FIG. 11 , in some embodiments, the heating component 100 includes an insulating member 40 . The insulating member 40 is sleeved on the inner tube 10 . The insulating member 40 surrounds a portion of the first electrode 110 located outside the inner tube 10 .

[0104] In this way, the insulating member 40 can enhance the insulation strength of the first electrode 110 and other conductive elements and circuits in the base 90 , and reduce the distance between elements in the base 90 to a certain extent, which is conducive to the miniaturization of the heating component 100 .

[0105] Specifically, the insulating member 40 may be a hollow tube, with the inner tube 10 and the first electrode 110 extending from the open end 22 and being disposed within the insulating member 40. The upper edge of the insulating member 40 may form a stepped surface to accommodate the inner tube 10 and the first electrode 110, which extend out of the outer tube 20 to varying lengths. The insulating member 40 may cover the end surface of the second end 1032 of the inner tube 10 and the outer surface of the portion of the first electrode 110 extending out of the second end 1032.

[0106] The lower edge of the insulating member 40 can contact the first bracket 91 and can move relative to the first bracket 91, allowing the inner tube 10, the first electrode 110, and the connector 50 to move within a certain range relative to the first bracket 91, including but not limited to translation, rotation, and deflection. When the outer tube 20 deflects at a certain angle, the first electrode 110, the second electrode 120, the conductive member 30, the inner tube 10, and other components in the outer tube 20 can deflect along with the outer tube 20, and the force exerted by the bottom wall 911 on the insulating member 40 can be negligible.

[0107] The insulating member 40 can be made of a soft insulating material, such as rubber. The insulating member 40 can be fixed between the portion of the first electrode 110 extending beyond the second end 1032 and the second end 1032 by gluing or melting. The insulating member 40 strengthens the connection between the inner tube 10 and the first electrode 110, facilitating the integration of the outer tube 20, the inner tube 10, and the first electrode 110, thereby maintaining synchronized movement under load.

[0108] Referring to Figures 2 and 6 , in some embodiments, the heating component 100 further includes a temperature measuring component 80 connected to the outer tube 20. The temperature measuring component 80 is used to detect the temperature of the outer tube 20. Referring to Figure 1 , the temperature measuring component 80 can be connected to the control center 400, so that the temperature measuring component 80 can transmit the detected temperature data to the control center 400. When the temperature is too high or insufficient, the control center 400 adjusts the voltage or output power of the power supply 200 to control the voltage between the first electrode 110 and the second electrode 120, thereby adjusting the heating temperature.

[0109] Please refer to FIG. 1 again. The aerosol generating device 1000 according to the embodiment of the present application includes the heating component 100 according to any of the above embodiments.

[0110] The aerosol generating device 1000 according to the embodiment of the present application can utilize the plasma in the heating component 100 to heat the aerosol-forming substrate 300 to generate aerosol.

[0111] In some embodiments, the aerosol-generating device 1000 may include components such as a battery 210, a transformer 220, a control center 400, and a cover 500. The battery 210 and transformer 220 may constitute the power supply 200 of the heating component 100. Referring to FIG4 , the first electrode 110 and the second electrode 120 are connected to the two output terminals of the transformer 220, respectively, conducting high-voltage alternating current, forming a high-intensity electric field in the inner tube 10, thereby generating plasma, generating high temperatures and heat. The heat is transferred to the aerosol-forming substrate 300 through the inner tube 10 and the outer tube 20. The aerosol-forming substrate 300 absorbs the heat and atomizes to form an aerosol.

[0112] 1 , 2 , and 5 , the heating assembly 100 can be secured to the aerosol-generating device 1000 via a base 90. The base 90 can be integrated with the housing of the aerosol-generating device 1000. The outer tube 20, along with components such as the inner tube 10, the first electrode 110, and the second electrode 120 disposed therein, is inserted into the aerosol-forming substrate 300, with the outer tube 20 in direct contact with the aerosol-forming substrate 300. The first end 1031 of the inner tube 10 is inserted into the aerosol-forming substrate 300 along with the outer tube 20, while the second end 1032 is mounted in the base 90 and can swing or deflect relative to the base 90. The outer tube 20 is susceptible to lateral forces and deflection relative to the base 90. The inner tube 10 is integrally connected and fixed to the outer tube 20, deflecting synchronously with the outer tube 20, reducing the forces acting on the inner tube 10 alone and reducing the likelihood of fracture defects within the inner tube 10.

[0113] Throughout this specification, reference to terms such as "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0114] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A heating component, characterized in that: include: Pedestal; an outer tube, the outer tube being mounted on the base; an inner tube, the inner tube comprising a first end and a second end opposite to each other, the first end of the inner tube being disposed inside the outer tube, and the second end of the inner tube being disposed outside the outer tube and movably disposed relative to the base; A first electrode and a second electrode, wherein the first electrode and the second electrode are at least partially disposed in the outer tube, the first electrode and the second electrode are disposed opposite to each other and spaced apart, and plasma is generated between the first electrode and the second electrode when the first electrode and the second electrode are energized.

2. The heating component according to claim 1, characterized in that: The base includes a first bracket and a second bracket detachably connected to the first bracket, the first bracket and the second bracket jointly enclose an installation space, the outer tube is installed on the second bracket and partially arranged in the installation space, and the second end of the inner tube is movably arranged in the installation space.

3. The heating component according to claim 2, characterized in that: The first bracket includes a bottom wall and a side wall connected to the bottom wall, the second bracket is installed on the side wall, the second end of the inner tube faces the bottom wall and is spaced apart from the bottom wall, the first electrode is partially arranged outside the inner tube from the second end of the inner tube, and the heating component includes a wire, which is electrically connected to the first electrode.

4. The heating component according to claim 3, characterized in that: The heating component includes a joint connected to one end of the first electrode located outside the inner tube, and one end of the wire is connected to the joint.

5. The heating component according to claim 3, characterized in that: The heating component comprises a fixing member arranged on the bottom wall, and the fixing member is fixedly connected to the wire.

6. The heating component according to claim 1, characterized in that: The heating component comprises a connecting piece, and the connecting piece connects the outer wall of the outer tube and the base to limit the axial movement of the outer tube relative to the base along the outer tube.

7. The heating component according to claim 6, characterized in that: The connecting piece connects the outer tube and the inner tube.

8. The heating component according to claim 1, characterized in that: The heating component comprises an elastic member, which is sleeved outside the outer tube and connects the outer tube and the base.

9. The heating component according to claim 1, characterized in that: The first electrode is at least partially disposed in the inner tube, and at least partially disposed in the second electrode at one end of the inner tube.

10. The heating component according to claim 9, characterized in that: The heating component includes an insulating member, which is sleeved on the inner tube and surrounds a portion of the first electrode located outside the inner tube.

11. An aerosol generating device, characterized in that: It comprises the heating component described in any one of claims 1-10.

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