Heating assembly and aerosol generating device

Abstract

The utility model discloses a heating assembly and an aerosol generating device.The heating assembly comprises a containing pipe, a heating body and a positioning support, and a containing space is formed in the containing pipe and used for containing an aerosol generating substrate; the heating body is wound and at least partially attached to the outside of the containing pipe, and the heating body is used for generating heat when being powered on; the positioning support is used for limiting and matching with the heating body so as to keep the heating body fixed in a preset form. According to the heating assembly, the positioning support is in limiting fit with the heating body, so that the heating body can be stably installed outside the containing pipe in the preset form, the assembly consistency of the heating assembly is improved, and it is guaranteed that the heating consistency of the aerosol generating matrix is good.

Description

Technical Field

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

[0002] Aerosol-generating devices use a heating element to provide a heat source, heating an aerosol-generating substrate contained within a quartz tube, thereby forming an aerosol. In related art, the heating element is typically positioned relative to the quartz tube using electrical leads. However, this positioning method can easily lead to inconsistent heating of the heating element relative to the quartz tube in mass-produced aerosol-generating devices. Utility Model Content

[0003] In view of the above problems, embodiments of the present application provide a heating component and an aerosol generating device.

[0004] The heating component of the embodiment of the present application includes a accommodating tube, a heating element and a positioning bracket, wherein a accommodating space is formed inside the accommodating tube, and the accommodating space is used to accommodate the aerosol generating matrix; the heating element is wrapped around and at least partially attached to the outside of the accommodating tube, and the heating element is used to generate heat when powered on; the positioning bracket is used to limit the position and cooperate with the heating element to keep the heating element fixed in a preset shape.

[0005] The heating element in the embodiment of the present application utilizes a positioning bracket to limit the position of the heating element, allowing the heating element to maintain a preset shape and be stably installed outside the container tube, thereby improving the assembly consistency of the heating element and ensuring better heating consistency of the aerosol-generating matrix. In addition, compared to the positioning method of embedding the heating element in the container tube, the heating element in the embodiment of the present application is simple to assemble and does not require special molding processes. The positioning bracket can adapt to a variety of heating element shapes and structures, which is conducive to the mass production of the product.

[0006] In some embodiments, the positioning bracket is provided with a plurality of positioning structures at intervals, and the plurality of positioning structures correspond to different positions of the limiting cooperation heating element to maintain a relatively fixed shape between the heating element and the positioning bracket.

[0007] In some embodiments, the heating element is wound around the outside of the accommodating tube and extends in an axial spiral along the accommodating tube. The positioning bracket is roughly arranged along the axial direction relative to the accommodating tube. A plurality of positioning structures are roughly arranged at intervals along the axial direction of the accommodating tube. The plurality of positioning structures correspond to different axial positions of the heating element relative to the accommodating tube.

[0008] In some embodiments, the positioning bracket is in a strip shape as a whole, and the plurality of positioning structures are arranged in a straight line, and the distance between two adjacent positioning structures corresponds to the pitch of the heating element.

[0009] In some embodiments, the positioning structure is a snap-fit ​​groove, and the heating element is inserted into the snap-fit ​​groove.

[0010] In some embodiments, the engaging groove is an open groove, the groove opening of the engaging groove is away from the wall of the accommodating tube, the heating element abuts the bottom of the open groove, and the positioning bracket abuts the wall of the accommodating tube.

[0011] In some embodiments, the engaging groove is an open groove, the groove opening of the engaging groove faces the accommodating tube, and the heating element is arranged between the groove wall of the engaging groove and the accommodating tube.

[0012] In some embodiments, the slot size of the engaging groove is smaller than the inner size to engage with the heating element, and the positioning bracket abuts against the wall of the accommodating tube. The positioning bracket is connected to the wall of the accommodating tube by dispensing glue.

[0013] The heating component also includes two clamps, which are respectively arranged at the opposite ends of the accommodating tube. Each clamp is respectively sleeved outside the heating body and abuts against the accommodating tube.

[0014] The aerosol generating device according to the embodiment of the present application includes the heating component according to any one of the above embodiments.

[0015] 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

[0016] 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:

[0017] Figure 1 It is a schematic structural diagram of a heating component according to an embodiment of the present application;

[0018] Figure 2 1 is a schematic diagram of the structure of the heating component in the embodiment of the present application from a front perspective;

[0019] Figure 3 This is a schematic diagram of the structure of the heating component in an embodiment of the present application from a top view;

[0020] Figure 4 Schematic diagram of the structure of the positioning bracket of the first embodiment of the present application;

[0021] Figure 5 This is a schematic diagram of the structure of the positioning bracket in Example 1 of the present application from a front perspective;

[0022] Figure 6 This is a schematic diagram of the structure of the positioning bracket in Example 1 of the present application from a top view;

[0023] Figure 7 is a schematic structural diagram of a heating component according to another embodiment of the present application;

[0024] Figure 8 This is a schematic structural diagram of the positioning bracket of Example 2 of the present application;

[0025] Figure 9 This is a schematic diagram of the structure of the positioning bracket in Example 2 of the present application from a top view;

[0026] Figure 10 This is a schematic structural diagram of a heating component according to another embodiment of the present application;

[0027] Figure 11 Schematic diagram of the structure of the positioning bracket of the third embodiment of the present application;

[0028] Figure 12 This is a schematic diagram of the structure of the positioning bracket of Example 3 of the present application from a front perspective.

[0029] Description of main component symbols:

[0030] 10-heating component; 11-accommodating tube; 101-accommodating space; 12-heating element; 121-main body; 123-electrical connection end; 40-positioning bracket; 41-positioning structure; 42-engaging groove; 421-notch; 43-first branch; 44-second branch; 30-fixing device; 31-clamp; 60-insulating member. DETAILED DESCRIPTION

[0031] 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.

[0032] In the description of the present 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 limiting the present 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 indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0033] 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.

[0034] 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.

[0035] 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.

[0036] The aerosol generating device is a structure that can generate aerosol by generating heat through electromagnetic action and acting on an aerosol generating matrix (not shown). The aerosol generating matrix is ​​a substance that has been processed and heated to generate an aerosol. The aerosol generating matrix is ​​atomized by heat to form an aerosol. The aerosol may be visible or invisible and may include vapor (for example, fine particulate matter in a gaseous state, which is usually liquid or solid at room temperature) and liquid droplets of gas and condensed vapor. The aerosol may contain volatile compounds. The user can inhale the aerosol into the oral cavity, nasal cavity or lungs through the mouth or nose. The aerosol inhaled into the user's respiratory system can be used for various purposes such as food, medicine, health care, and entertainment.

[0037] The aerosol-forming substrate may be in a solid or semi-solid form, or in a liquid form. For example, a solid aerosol-forming substrate may be a plant flower, stem, or leaf product prepared by processes such as roller pressing, slurrying, die casting, or extrusion. For another example, a liquid aerosol-forming substrate may include a liquid composition based on plant extracts and / or various flavoring agents.

[0038] See also Figures 1-4 The heating component 10 of the embodiment of the present application includes a accommodating tube 11, a heating element 12 and a positioning bracket 40, wherein the accommodating tube 11 is formed with an accommodating space 101, and the accommodating space 101 is used to accommodate the aerosol generating matrix; the heating element 12 is wound around and at least partially attached to the outside of the accommodating tube 11, and the heating element 12 is used to generate heat when powered; the positioning bracket 40 is used to limit the position of the heating element 12 to keep the heating element 12 fixed in a preset shape.

[0039] The heating element 10 of the embodiment of the present application utilizes a positioning bracket 40 to limit the position of the heating element 12, allowing the heating element 12 to be stably installed outside the accommodating tube 11 in a preset configuration, thereby improving the assembly consistency of the heating element 10 and ensuring better heating consistency of the aerosol generating matrix. In addition, compared to the positioning method in which the heating element 12 is embedded in the accommodating tube 11, the heating element 10 of the embodiment of the present application is simple to assemble and does not require special molding processes. The positioning bracket 40 can adapt to a variety of heating element 12 shapes and structures, which is conducive to the mass production of the product.

[0040] Specifically, when powered, the heating element 12 converts electrical energy into thermal energy. The heat generated by the heating element 12 is transferred to the aerosol-generating substrate via the contact surfaces between the heating element 12 and the accommodating tube 11, and then between the accommodating tube 11 and the aerosol-generating substrate. Alternatively, the heat can be transmitted through the accommodating tube 11 to the aerosol-generating substrate via infrared radiation. The aerosol-generating substrate absorbs the heat, raising its temperature to a certain level, and then atomizes to generate aerosol.

[0041] Optionally, the heating element 12 includes a main body 121 and an electrical connection end 123 connected to the main body 121. The electrical connection end 123 can extend away from the accommodating tube 11 and partially detach from the accommodating tube 11. The electrical connection end 123 can be connected to both ends of the main body 121 along the axial direction of the accommodating tube 11. The two electrical connection ends 123 can be connected to the two output ends of a power supply, or respectively connected to the high and low potentials of an external circuit. The main body 121 and the electrical connection end 123 can be separate structures, or they can be local sections of the integrally formed heating element 12 that are differentiated according to their functions.

[0042] Optionally, the heating element 12 is generally cylindrical in shape to increase the heating surface area. To improve the circumferential uniformity of the heating element 12, the heating element 12 can be coaxial with the accommodating tube 11. The cross-sectional shape of the heating element 12 matches the cross-sectional shape of the accommodating tube 11, thereby improving the fit between the heating element 12 and the accommodating tube 11.

[0043] Optionally, the heating element 12 is wound around the outer surface of the accommodating tube 11. The heating element 12 can be a variety of structures, such as wire, strip, mesh, sheet, plate, rod, or film layer, and this application does not limit this. For example, the heating element 12 can be a heating mesh that wraps around the accommodating tube 11 to form a cylindrical structure. For another example, the heating element 12 can be a cylindrical structure formed by multiple heating rods arranged along the circumference of the accommodating tube 11.

[0044] Optionally, the accommodating tube 11 is a hollow tube, the hollow section inside the accommodating tube 11 forming the accommodating space 101, and the wall of the accommodating tube 11 serves as an interface separating the accommodating space 101 from the outside of the accommodating tube 11. The accommodating tube 11 has an opening at at least one end, and the aerosol-generating substrate can be fully solid and cylindrical, inserted into the accommodating space 101 through the opening.

[0045] Taking the axial direction of the accommodating tube 11 as the longitudinal direction, the cross-sectional shape of the accommodating tube 11 can be circular, elliptical, triangular, quadrilateral, polygonal, diamond, star-shaped, runway-shaped, olive-shaped or other irregular shapes, etc., and this application does not impose any restrictions on this.

[0046] Exemplarily, the accommodating tube 11 is a hollow circular tube with both ends open in the axial direction. For example, if the cross-section of the accommodating tube 11 is circular, the wall thickness of the accommodating tube 11 can range from 0.1 mm to 0.5 mm. For example, the wall thickness of the accommodating tube 11 can be 0.1 mm, 0.12 mm, 0.25 mm, 0.3 mm, 0.36 mm, 0.4 mm, 0.44 mm, or 0.5 mm.

[0047] Optionally, the accommodating tube 11 is made of a heat-resistant and strong material, such as quartz or glass, so that the accommodating tube 11 can provide a stable mounting support for the heating element 12 and has good high-temperature reliability. For example, if the accommodating tube 11 is made of quartz, the wall thickness of the accommodating tube 11 can range from 0.3 mm to 0.4 mm.

[0048] Optionally, the positioning bracket 40 is fixedly connected to the accommodating tube 11 and cooperates with the accommodating tube 11 to fix the heating element 12 outside the accommodating tube 11. This application does not limit the fixing method of the positioning bracket 40 and the accommodating tube 11. For example, the positioning bracket 40 and the accommodating tube 11 can be fixedly connected by at least one of welding, riveting, sintering, snap connection, fixing connection, adhesive connection, threaded connection, etc. Exemplarily, the end of the positioning bracket 40 is fixed to the accommodating tube 11 by a fixing.

[0049] Optionally, the positioning bracket 40 is made of a material that absorbs less heat and has a certain strength, such as a metal material, a ceramic material, etc. In a preferred embodiment, the positioning bracket 40 is made of a metal material.

[0050] Optionally, the thickness of the positioning bracket 40 may range from 0.05 mm to 0.3 mm. For example, the thickness of the positioning bracket 40 may be 0.05 mm, 0.1 mm, 0.12 mm, 0.21 mm, 0.245 mm, 0.27 mm, 0.3 mm, etc.

[0051] In some embodiments, the positioning bracket 40 is provided with a plurality of positioning structures 41 at intervals. The plurality of positioning structures 41 correspond to different positions of the limiting heating element 12 to keep the heating element 12 fixed in a preset shape.

[0052] In this way, a plurality of positioning structures 41 are arranged at intervals on the positioning bracket 40 , and the plurality of positioning structures 41 correspond to and limit different positions of the heating element 12 , thereby more accurately defining the shape of the heating element 12 .

[0053] Specifically, the number of positioning structures 41 is not limited, and the structural type of the positioning structures 41 can match the heating element 12. For example, the positioning structures 41 can be various structures such as holes, grooves, buckles, clips, ribs, etc. The positioning structures 41 can resist, press, surround or clamp the local position of the heating element 12. The positioning structures 41 can form point contact, line contact, surface contact, etc. with the heating element 12. Furthermore, the mating surface between the positioning structures 41 and the heating element 12 can be flat or curved.

[0054] The positioning structures 41 on the same positioning bracket 40 can be of the same type or of different types. In the case where the heating element 12 has a regular repeating structure, the positioning bracket 40 can be provided with positioning structures 41 of the same structure, and multiple positioning structures 41 can be regularly arranged.

[0055] The heating element 12 can have a variety of preset shapes, for example, the heating element 12 can be in a fence shape, a mesh shape, a spiral shape, etc. The positioning structures 41 are spaced apart according to the preset shape of the heating element 12. The positioning structures 41 are respectively matched with different positions of the heating element 12 to limit the heating element 12 to remain fixed at the positions where the positioning structures 41 are distributed, thereby maintaining the preset linear shape of the heating element 12 as a whole.

[0056] See also Figure 1-Figure 3In some embodiments, the heating element 12 is wound around the outside of the accommodating tube and extends spirally along the axial direction of the accommodating tube 11. The positioning bracket 40 is roughly arranged along the axial direction relative to the accommodating tube 11. A plurality of positioning structures 41 are roughly arranged at intervals along the axial direction of the accommodating tube 11. The plurality of positioning structures 41 correspond to different axial positions of the heating element 12 relative to the accommodating tube 11.

[0057] In this way, the heating element 12 is wound around the outside of the accommodating tube 11 and extends in a spiral along the axial direction of the accommodating tube 11. This helps the heating element 12 fully cover the accommodating tube 11, increases the effective heating area, and improves heating uniformity. Several positioning structures 41 correspondingly engage different axial positions of the heating element 12 relative to the accommodating tube 11, forming multiple positioning anchor points along the axial direction of the accommodating tube 11. This effectively restricts the heating element 12 to maintain the preset spiral shape during assembly and heating, improving product consistency.

[0058] Specifically, the heating element 12 can be a wire. The heating element 12 can be a round wire, a flat wire or a wire with other cross-sectional shapes. It is wound on the accommodating tube 11 and extends axially along the accommodating tube 11 to form a spiral extension path.

[0059] Optionally, the heating element 12 includes a main body 121 and a power connection end 123. The main body 121 spirally extends from one axial end of the accommodating tube 11 to the other end, forming a solenoid shape. There are two power connection ends 123, and the two power connection ends 123 are connected to the starting and ending ends of the extension of the main body 121 at the two axial ends of the accommodating tube 11. The power connection ends 123 continue to extend from the end of the main body 121 along the axial direction of the accommodating tube 11 for a distance, then bend and continue to extend outward in the transverse direction away from the accommodating tube 11, so that the distance between the two power connection ends 123 is as large as possible to reduce the risk of short circuit or discharge.

[0060] Optionally, the heating element 12 is made of metal, which has good electrical conductivity, is easy to shape, and has good heat resistance. For example, the heating element 12 is a metal wire, which is wound outside the accommodating tube 11 and has a solenoid shape as a whole and has a certain elasticity.

[0061] The number of positioning structures 41 may correspond to the number of turns of the helical extension of the heating element 12. The number of turns of the heating element 12 is at least one. Generally, the heating element 12 forms a multi-turn solenoid to improve heating efficiency. Each turn of the heating element 12 can be limitedly engaged with at least one positioning structure 41.

[0062] Optionally, the plurality of positioning structures 41 are arranged at intervals in the axial direction of the accommodating tube 11 , and may be staggered in the circumferential direction of the accommodating tube 11 .

[0063] Optionally, the plurality of positioning structures 41 are spaced apart in the axial direction of the accommodating tube 11 , and may also be at the same position in the circumferential direction of the accommodating tube 11 , and each turn of the heating element 12 is limitedly engaged with a positioning structure 41 .

[0064] See also Figure 1 and Figure 2 In some embodiments, the positioning bracket is strip-shaped as a whole, and the plurality of positioning structures 41 are arranged in a straight line. The distance between two adjacent positioning structures 41 corresponds to the pitch of the heating element 12.

[0065] In this way, multiple positioning structures 41 are arranged in a straight line along the axial direction of the accommodating tube 11, and the distance between two adjacent positioning structures 41 corresponds to the pitch of the heating element 12, so that the heating element 12 can maintain the preset pitch during the assembly and heating process, thereby improving the consistency of the product.

[0066] Specifically, multiple positioning structures 41 are arranged in a straight line along the axial direction of the accommodating tube 11, and multiple positioning structures 41 can be located at the same position along the circumference of the accommodating tube 11. In this embodiment, the heating element 12 is generally solenoid-shaped, and the pitch of the heating element 12 can be a fixed value to ensure that the heating element 12 is evenly distributed along the axial direction of the accommodating tube 11. The distance between two adjacent positioning structures 41 can be the same as the pitch of the heating element 12, and each turn of the solenoid on the heating element 12 engages with a positioning structure 41.

[0067] Optionally, the positioning bracket 40 is strip-shaped as a whole and is vertically arranged along the axial direction of the accommodating tube 11, thereby reducing the area of ​​the positioning bracket 40 relative to the accommodating tube 11 and in contact with the heating element 12, reducing heat loss. At the same time, the installation structure of the positioning bracket 40 is simple and stable, and easy to install.

[0068] Optionally, the positioning bracket 40 partially abuts against the outer wall surface of the accommodating tube 11 .

[0069] Optionally, the positioning bracket 40 cooperates with the heating element 12 , and the positioning bracket 40 is separated from the wall surface of the accommodating tube 11 .

[0070] Optionally, the positioning bracket 40 includes a first branch 43 and a second branch 44 , wherein the second branch 44 is connected to the first branch 43 and an angle is formed at the connection. The first branch 43 and / or the second branch 44 are formed with a plurality of positioning structures 41 .

[0071] Optionally, refer to Figures 1-6In the first embodiment, the first branch 43 is a long, narrow, sheet-like structure extending from one axial end of the accommodating tube 11 to the other. The second branch 44 is a short, thin sheet-like structure that forms an approximately 90° angle with the first branch 43, forming a positioning bracket 40 with a generally L-shaped cross-section. Multiple second branches 44 are spaced apart on the first branch 43 along the axial direction of the accommodating tube 11, with the space between two adjacent second branches 44 forming a positioning structure 41.

[0072] Furthermore, in the first embodiment, the first branch portion 43 may be attached to the outer wall of the accommodating tube 11 , or may be partially or completely separated from the outer wall of the accommodating tube 11 to form a gap.

[0073] Optionally, refer to Figure 7-Figure 9 In the second embodiment, the second branch 44 is elongated and extends from one axial end of the accommodating tube 11 to the other. The second branch 44 may be curved and face the outer wall of the accommodating tube 11. The first branch 43 is a short, thin structure, forming an angle of approximately 90° between the first branch 43 and the second branch 44. The root of the first branch 43 is connected to the second branch 44, and the end of the first branch 43 away from the second branch 44 abuts the outer wall of the accommodating tube 11. The second branch 44 may connect the two first branches 43 in the width direction, forming a positioning bracket 40 with a generally U-shaped cross-section.

[0074] In the second embodiment, the first branch 43 abuts against the end of the outer wall of the accommodating tube 11 to form a notch. The heating element 12 passes through the notch and is positioned and restrained by the first branch 43. The notch can serve as the positioning structure 41. There can be multiple first branches 43, and the multiple first branches 43 can be spaced apart on the second branch 44. The spacing can correspond to the pitch of the heating element 12.

[0075] Optionally, refer to Figure 10-11 In the third embodiment, the first branch 43 is in the shape of a short strip and fits the outer wall of the accommodating tube 11. The two ends of the second branch 44 are respectively connected to the two first branches 43. The second branch 44 is arc-shaped and protrudes from the outer wall of the accommodating tube 11, forming a snap-fit ​​structure. The heating element 12 passes between the second branch 44 and the outer wall of the accommodating tube 11, that is, it is snap-fitted with the snap-fit ​​structure. Furthermore, multiple first branches 43 and multiple second branches 44 are alternately arranged along the axial direction of the accommodating tube 11, and the distance between two adjacent second branches 44 corresponds to the pitch of the heating element 12.

[0076] In some extended embodiments, the number of positioning brackets 40 may be two or more. For example, two strip-shaped positioning brackets 40 are arranged radially opposite to each other along the accommodating tube 11, and each positioning bracket is formed with several positioning structures 41 arranged roughly along the axial direction. In this way, each turn of the heating element 12 is limited by two groups of positioning structures 41, thereby enhancing the limiting effect.

[0077] It should be noted that the positioning bracket 40 of the embodiment of the present application includes but is not limited to the three different shapes provided in Example 1, Example 2 and Example 3.

[0078] In some embodiments, the positioning structure 41 is a snap-fitting groove 42 , and the heating element 12 is inserted into the snap-fitting groove 42 .

[0079] In this way, the heating element 12 is fixed at a preset position on the wall of the accommodating tube 11 by passing the heating element 12 through the engaging groove 42 , thereby reducing displacement of the heating element 12 during assembly and heating, and simplifying the assembly process.

[0080] Specifically, the positioning bracket 40 includes a first branch 43 and a second branch 44. The first branch 43 abuts against the outer wall of the accommodating tube 11, and the second branch 44 is connected to the first branch 43 and forms an angle with the first branch 43. The first branch 43 and / or the second branch 44 are formed with a snap-fit ​​groove 42, for example, referring to Figures 1-6 In the positioning bracket 40 of the first embodiment, an engaging groove 42 is formed between two adjacent second branches 44 along the axial direction of the accommodating tube 11 , and the first branch 43 forms the bottom surface of the engaging groove 42 .

[0081] For example, refer to Figure 7-Figure 9 In the positioning bracket 40 of the second embodiment, the first branch 43 abuts the end of the wall of the accommodating tube 11 to form a notch. The shape of the notch can match the end shape of the wire in the heating element 12. The first branch 43 and the wall of the accommodating tube 11 at the notch together form a snap-fitting groove 42. Two first branches 43 spaced apart from each other can be provided at the same position in the axial direction of the accommodating tube 11. The two snap-fitting grooves 42 on the two first branches 43 together form a snap-fitting structure.

[0082] For example, refer to Figure 10-12 In the positioning bracket 40 of the third embodiment, the second branch 44 is in an arc shape protruding from the wall of the accommodating tube 11. The second branch 44 can be semicircular, and a locking groove 42 is formed between the second branch 44 and the wall of the accommodating tube 11.

[0083] In some embodiments, the engaging groove 42 is an open groove, and the notch 421 of the engaging groove 42 faces away from the wall of the accommodating tube 11. Thus, the notch 421 of the engaging groove 42 faces away from the wall of the accommodating tube 11, so that the heating element 12 can be directly engaged with the engaging groove 42 through the notch 421 of the engaging groove 42 after the positioning bracket 40 is assembled with the accommodating tube 11, which simplifies assembly.

[0084] Optionally, refer to Figures 1-6In the positioning bracket 40 of the first embodiment, an engagement groove 42 is formed between two adjacent second branches 44 along the axial direction of the accommodating tube 11. The first branch 43 forms the bottom surface of the engagement groove 42, and the notch 421 of the engagement groove 42 faces away from the wall of the accommodating tube 11. In this embodiment, the portion of the heating element 12 in the engagement groove 42 does not contact the wall of the accommodating tube 11, but can be closely attached to the first branch 43.

[0085] In some embodiments, the engaging groove 42 is an open groove, with the notch 421 of the engaging groove 42 facing the accommodating tube 11, and the heating element 12 is disposed between the groove wall of the engaging groove 42 and the accommodating tube 11. In this way, the notch 421 of the engaging groove 42 faces the accommodating tube 11, and the heating element 12 is disposed between the groove wall of the engaging groove 42 and the accommodating tube 11. The heating element 12 can pass through the engaging groove 42 while being in contact with the wall of the accommodating tube 11, further reducing the contact area between the positioning bracket 40 and the accommodating tube 11, thereby minimizing heat loss.

[0086] Optionally, refer to FIG. Figure 7-Figure 9 In the positioning bracket 40 of the second embodiment, the first branch 43 abuts the end of the wall of the accommodating tube 11 to form a notch. The shape of the notch can match the end shape of the wire in the heating element 12. The first branch 43 and the wall of the accommodating tube 11 at the notch together form a snap-fitting groove 42. Two first branches 43 can be provided at the same position in the axial direction of the accommodating tube 11. The two snap-fitting grooves 42 on the two first branches 43 together form a snap-fitting structure. The second branch 44 forms the bottom surface of the snap-fitting groove 42, and the notch 421 of the snap-fitting groove 42 faces the wall of the accommodating tube 11.

[0087] Optionally, refer to FIG. Figure 10-12 In the positioning bracket 40 of the third embodiment, the second branch 44 is arc-shaped and protrudes from the wall of the accommodating tube 11. The second branch 44 can be approximately annular. A snap-fit ​​groove 42 is formed between the second branch 44 and the wall of the accommodating tube 11. The second branch 44 forms the bottom surface of the snap-fit ​​groove 42, and the notch 421 of the snap-fit ​​groove 42 faces the wall of the accommodating tube 11. The heating element 12 of the second and third embodiments can be completely attached to the wall of the accommodating tube 11.

[0088] The positioning bracket 40 can be first assembled on the accommodating tube 11, and the heating element 12 can be sequentially passed through the multiple engaging grooves 42 to be fixedly installed on the outer wall of the accommodating tube 11. The heating element 12 can also first pass through the multiple engaging grooves 42 on the positioning bracket 40 to form a solenoid with a fixed pitch, and then be sleeved on the accommodating tube 11.

[0089] See also Figure 10-12In some embodiments, the notch 421 of the engaging groove 42 is smaller than the internal dimensions to accommodate the heating element 12, and the positioning bracket 40 abuts the wall of the accommodating tube 11. This facilitates stable engagement of the engaging groove 42 with the heating element 12, improving the securing effect. The positioning bracket 40 can also be connected to the wall of the accommodating tube 11 by dispensing glue, thereby increasing the overall structural stability of the heating assembly.

[0090] Specifically, the internal dimensions of the engaging groove 42 match the cross-sectional dimensions of the heating element 12 passing through the engaging groove 42, so that the outer surface of the heating element 12 can fit against the groove wall in the engaging groove 42. The notch 421 of the engaging groove 42 is smaller than the internal dimensions and also smaller than the cross-sectional dimensions of the heating element 12, thereby preventing the heating element 12 from falling out after being engaged. The positioning bracket 40 has a certain degree of elasticity, so that the notch 421 of the engaging groove 42 can be expanded to a certain extent to allow the heating element 12 to be inserted into the engaging groove 42 through the notch 421.

[0091] For example, the heating element 12 is a round wire, the cross-section of the heating element 12 is circular, the groove wall of the snap-fit ​​groove 42 is arc-shaped and the internal size of the snap-fit ​​groove 42 is the same as or close to the diameter of the heating element 12, so that the groove wall of the snap-fit ​​groove 42 can fit the outer surface of the heating element 12, and the size of the slot 421 is smaller than the diameter of the heating element 12.

[0092] See also Figure 1 In some embodiments, the heating component 10 further includes two clamps 31 , which are respectively disposed at opposite ends of the accommodating tube 11 , and each clamp 31 is sleeved outside the heating element 12 and abuts against the accommodating tube 11 .

[0093] In this way, the two clamps 31 are respectively pressed against the accommodating tube 11 at both ends of the accommodating tube 11 and are sleeved outside the heating element 12, so that the heating element 12 is close to the accommodating tube 11, thereby reducing and avoiding the gap between the heating element 12 and the accommodating tube 11 to a certain extent, increasing the heat transfer from the heating element 12 to the aerosol generating matrix, thereby improving the heating efficiency and enhancing the atomization effect.

[0094] Optionally, the heating element 12 includes a main body 121 and an electrical connection end 123 connected to the main body 121 . The main body 121 is attached to the accommodating tube 11 and heats the aerosol-generating substrate.

[0095] Optionally, the main body 121 of the heating element 12 is in a solenoid shape, and the clamp 31 can be sleeved on the axial end of the heating element 12 to press the main body 121 and the power connection end 123 against the wall of the accommodating tube 11 .

[0096] The clamp 31 is generally annular and can be an open ring or a closed ring. The clamp 31 can be an annular ring, an elliptical ring or other annular shapes that match the cross-sectional shape of the accommodating tube 11. For example, referring to Figure 1The accommodating tube 11 is a round tube, and the clamp 31 is an open ring. The difference between the outer diameter and the inner diameter of the clamp 31 is small, that is, the thickness of the clamp 31 is thin, which is beneficial to reducing the overall weight and volume of the heating component 10.

[0097] Optionally, the clamp 31 has a certain elasticity. The clamp 31 can be made of metal material. The metal ring-shaped clamp 31 has a certain circumferential elasticity, a greater structural strength, and a smaller size.

[0098] Optionally, the accommodating tube 11, the heating element 12 and the clamp 31 are pre-installed as a heating component 10, and the clamp 31 is clamped at the opposite ends of the accommodating tube 11 to limit the heating element 12 at both ends, so that the heating element 12 is assembled to the accommodating tube 11 in a relatively consistent position and shape, which is beneficial to the consistency of the product.

[0099] Optionally, the part of the clamp 31 that contacts the heating element 12 can be fixedly connected to the wall of the accommodating tube 11 by glue spotting, thereby achieving a reinforcement effect.

[0100] See also Figure 1 In some embodiments, the aerosol generating device 100 further includes an insulating member 60 , which is disposed in the housing assembly 40 . The insulating member 60 is used to insulate and protect the end of the heating element 12 connected to the power supply.

[0101] In this way, the end of the heating element 12 connected to the power supply is insulated and protected by the insulating member 60, thereby preventing the heating element 12 from being electrically connected to the housing assembly 40 or other metal parts and causing a short circuit.

[0102] Specifically, the insulating member 60 can be a variety of structures, such as insulating glue, insulating coating, insulating housing, insulating block, insulating sleeve, etc., and this application does not impose any restrictions on this. The insulating member 60 is disposed in the housing assembly 40 and can be installed in the reflective cavity 401 or incorporated into or installed in the housing assembly 40. The insulating member 60 can cooperate with the clamp 31, and the end of the heating element 12 connected to the power supply, i.e., the power supply end 123, at least partially passes through or contacts the insulating member 60.

[0103] Optionally, the insulating member 60 is annular and is sleeved on the accommodating tube 11. The insulating member 60 is located on the side of the end of the clamp 31 facing the heating element 12 that is connected to the power supply. With the axial direction of the accommodating tube 11 as the vertical direction, that is, the up and down direction, the insulating member 60 and the clamp 31 are stacked up and down, and the insulating member 60 is located above the clamp 31 at the upper end of the accommodating tube 11, and the insulating member 60 is located below the clamp 31 at the lower end of the accommodating tube 11. The end of the heating element 12 that is connected to the power supply, that is, the end 123 of the power supply, passes between the clamp 31 and the wall of the accommodating tube 11, and can be passed through the insulating member 60 or between the insulating member 60 and the wall of the accommodating tube 11. In this embodiment, the insulating member 60 can be made of ceramic or PEEK plastic.

[0104] Optionally, the insulating member 60 is an insulating coating, which is coated on the end of the heating element 12 that is connected to electricity.

[0105] Optionally, the insulating member 60 forms a shell structure, which is arranged outside the heating element 12 and the accommodating tube 11 .

[0106] In some embodiments, the containing tube 11 is a transparent quartz tube.

[0107] Thus, the accommodating tube 11 is a transparent quartz tube, which increases the transmittance of infrared radiation, thereby improving the efficiency of heat transfer from the heating element 12 to the aerosol generating matrix, which is conducive to rapid heating and atomization.

[0108] Specifically, the accommodating tube 11 is a hollow transparent quartz tube, and the wall thickness of the accommodating tube 11 can range from 0.3 mm to 0.4 mm. It is understood that the heat generated by the heating element 12 is dissipated in the form of infrared radiation. The transparent quartz tube 11 increases the amount of infrared radiation that passes through the accommodating tube 11 and reaches the aerosol-generating substrate, thereby improving the heating speed and efficiency.

[0109] Optionally, the accommodating tube 11 may be a completely transparent quartz tube or partially transparent. If the accommodating tube 11 is a partially transparent quartz tube, at least the wall of the accommodating tube 11 opposite the heating element 12 is transparent. For example, the heating element 12 is sleeved in the middle section of the accommodating tube 11, and the middle section of the accommodating tube 11 is a transparent quartz tube.

[0110] The aerosol generating device (not shown) of the embodiment of the present application includes the heating component 10 of any of the above embodiments.

[0111] The aerosol generating device of the embodiment of the present application cooperates with the heating element 12 on the positioning bracket 40 to limit the position, so that the heating element 12 is stably installed outside the accommodating tube 11 in a preset shape, thereby improving the assembly consistency and ensuring better heating consistency of the aerosol generating matrix.

[0112] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are 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. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

[0113] 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: a receiving tube, wherein a receiving space is formed inside the receiving tube, and the receiving space is used to receive the aerosol generating matrix; a heating element, the heating element being wound around and at least partially attached to the outside of the accommodating tube, the heating element being used to generate heat when powered; and A positioning bracket is used to limit the position of the heating element to keep the heating element in a preset shape.

2. The heating component according to claim 1, characterized in that The positioning bracket is provided with a plurality of positioning structures at intervals, and the plurality of positioning structures are correspondingly limited to cooperate with different positions of the heating element to maintain a relatively fixed state between the heating element and the positioning bracket.

3. The heating component according to claim 2, characterized in that The heating element is wound around the outside of the accommodating tube and extends spirally along the axial direction of the accommodating tube. The positioning bracket is roughly arranged along the axial direction relative to the accommodating tube. Several positioning structures are roughly arranged at intervals along the axial direction of the accommodating tube. Several positioning structures correspond to different axial positions of the heating element relative to the accommodating tube.

4. The heating component according to claim 3, characterized in that The positioning bracket is in a strip shape as a whole, and a plurality of the positioning structures are arranged in a straight line. The distance between two adjacent positioning structures corresponds to the pitch of the heating element.

5. The heating component according to claim 2, characterized in that: The positioning structure is a snap-fitting groove, and the heating element is inserted into the snap-fitting groove.

6. The heating component according to claim 5, characterized in that: The engaging groove is an open groove, the notch of the engaging groove is away from the wall surface of the accommodating tube, the heating element abuts against the bottom of the open groove, and the positioning bracket abuts against the wall surface of the accommodating tube.

7. The heating component according to claim 5, characterized in that: The engaging groove is an open groove, and the notch of the engaging groove faces the accommodating tube.

8. The heating component according to claim 7, characterized in that: The slot size of the engaging slot is smaller than the inner size so as to engage with the heating element, and the positioning bracket abuts against the wall of the accommodating tube; and / or, The positioning bracket is connected to the wall surface of the accommodating tube by glue dispensing.

9. The heating component according to claim 1, characterized in that: The heating component further includes two clamps, which are respectively arranged at opposite ends of the accommodating tube. Each of the clamps is respectively sleeved outside the heating body and abuts against the accommodating tube.

10. An aerosol generating device, characterized in that: The heating component comprises the heating component according to any one of claims 1 to 9.

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