An aerosol generating device

Abstract

The application belongs to the technical field of aerosol generating devices, and relates to an atomizing core and an aerosol generating device. The atomizing core comprises a main body, a heating assembly, a plurality of heating fins and a plurality of connecting leads and a common lead. The plurality of heating fins are sequentially connected to the common lead in the length direction of the common lead and are distributed at intervals. The connecting lead is connected to the heating fin one by one. The heating fin is a hollow structure. The application can avoid the phenomenon of carbon deposition after long-term work of a single heating fin by alternately working the heating fins, thereby improving the use efficiency, service life and experience of the user of the atomizing core. Meanwhile, the plurality of heating fins can be started simultaneously.

Description

Technical Field

[0001] This application relates to the field of aerosol generating device technology, and more specifically, to an atomizing core and an aerosol generating device. Background Technology

[0002] Aerosol generating devices typically include an atomizing core, a reservoir, and a suction channel. The atomizing core is located in the reservoir, which contains the aerosol generating medium. The atomizing core consists of a main body and a heating element. The main body is usually made of porous ceramic or high-fiber cotton, while the heating element is connected to the main body and heats the aerosol generating medium that is in contact with it. After contacting the atomizing core, the aerosol generating medium is heated to form an aerosol. The aerosol then passes through the suction channel for consumption by the user.

[0003] In the manufacturing process of existing atomizing cores, the heating film is usually printed directly onto the main body using a thick-thickness printing method. As a result, the heating film is prone to falling off the main body. At the same time, the existing heating elements are usually cross-mesh structures, which are complex and cannot fully heat the aerosol to generate the medium. They are also prone to carbon buildup during long-term operation, which reduces their efficiency. This leads to a poor user experience and high costs.

[0004] In summary, existing aerosol generating devices suffer from low atomization core efficiency, high cost, and poor user experience. Utility Model Content

[0005] The technical problem to be solved by the embodiments of this application is that the atomizing core of existing aerosol generating devices has low efficiency, high cost, and poor user experience.

[0006] To solve the above-mentioned technical problems, the embodiments of this application adopt the following solutions:

[0007] An atomizing coil includes:

[0008] The main body is provided with a through hole;

[0009] The heating element includes multiple heating elements, multiple connecting leads, and a common lead. The multiple heating elements are sequentially connected to the common lead along its length and are spaced apart. The connecting leads are connected to the heating elements one by one. The heating elements have a hollow structure and are connected to the inner wall of the through hole.

[0010] Furthermore, the heating element includes a first end and a second end disposed opposite to each other, the first end being connected to the common lead, the second end being connected to the connecting lead, and the connecting lead coinciding with the axis of symmetry of the heating element along the length direction of the heating element.

[0011] Furthermore, the main body is provided with a through hole, the heating element is connected to the inner wall of the through hole and arranged sequentially along the circumference of the through hole, and at least part of the common lead and connecting lead are connected to the inner wall of the through hole.

[0012] Furthermore, a gap is formed between adjacent heating elements, the width of the gap being in ratio of 1:(2-10) to the circumference of the through hole; and / or,

[0013] The heating element includes multiple hollow hexagonal frames, which are connected sequentially along the length of the heating element; and / or,

[0014] The through hole is a circular hole, and the main body is a cylinder; and / or,

[0015] The heating element includes at least one of a hollow triangular frame, a quadrilateral frame, a pentagonal frame, and a circular frame.

[0016] Furthermore, along the arrangement direction of the plurality of heating elements, the farthest distance between the plurality of heating elements is a first distance, and the ratio of the first distance to the circumference of the through hole is 1:(1~5).

[0017] Furthermore, the main body is a triangular prism, the main body is provided with a through hole, the through hole is a triangular through hole, there are at least three heating elements, and the heating elements are evenly distributed on the three inner sidewalls of the triangular through hole, and the common lead is bent and connected to the three inner sidewalls of the triangular through hole.

[0018] Furthermore, along the arrangement direction of the heating elements, the spacing between adjacent heating elements is equal to the width of a single heating element.

[0019] Furthermore, the main body is a quadrangular prism, the main body is provided with a through hole, the through hole is a quadrilateral through hole, there are at least four heating elements, and the heating elements are evenly distributed on the four inner sidewalls of the quadrilateral through hole, and the common lead is bent and connected to the four inner sidewalls of the quadrilateral through hole.

[0020] Furthermore, the common lead is bent toward the length direction of the connecting lead to form a connecting portion and a conductive portion. The heating element is connected to the connecting portion and is arranged sequentially along the length direction of the connecting portion. The conductive portion is parallel to the connecting lead.

[0021] Accordingly, this application also provides an aerosol generating device, which includes the atomizing core described in any one of the above embodiments.

[0022] Compared with the prior art, the embodiments of this application have the following main advantages:

[0023] Users can switch the operation of different heating elements by disconnecting and connecting their respective leads. They can also simultaneously energize the leads of multiple heating elements, allowing them to operate concurrently and thus improving efficiency. Therefore, alternating operation of different heating elements prevents carbon buildup, and simultaneous operation enhances heating efficiency. Attached Figure Description

[0024] To more clearly illustrate the solutions in this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the atomizing core in this application embodiment when the main body is a cylinder;

[0026] Figure 2 This is a schematic diagram of the structure of the atomizing core in this application embodiment when the main body is a square prism;

[0027] Figure 3 This is a structural diagram of an embodiment of this application where the main body is a triangular prism;

[0028] Figure 4 This is a schematic diagram of the structure of the heating component in an embodiment of this application;

[0029] Figure 5 This is a schematic diagram of the structure of the heating element in an embodiment of this application.

[0030] Figure label:

[0031] Atomizing core 10, main body 100, through hole 110, heating component 200, common lead 210, bending point 211, connecting part 212, conductive part 213, connecting lead 220, heating element 230. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. Furthermore, it should be understood that the specific embodiments described herein are only for illustration and explanation of this application and are not intended to limit this application.

[0033] In this application, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in its actual use or operating state, specifically the orientation shown in the accompanying drawings; while "inner" and "outer" refer to the outline of the device. Furthermore, in the description of this application, the term "comprising" means "including but not limited to". The terms first, second, third, etc., are used merely as illustrative purposes and do not impose numerical requirements or establish a numerical order.

[0034] In this application, "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. A and B can be singular or plural.

[0035] In this application, "at least one" means one or more, and "more than one" means two or more. "At least one," "at least one of the following," or similar expressions refer to any combination of these items, including any combination of single or multiple items. For example, "at least one of a, b, or c," or "at least one of a, b, and c," can both mean: a, b, c, ab (i.e., a and b), ac, bc, or abc, where a, b, and c can be single or multiple.

[0036] Various embodiments of this application may exist in the form of a range; it should be understood that the description in the form of a range is merely for convenience and brevity and should not be construed as a hard limitation on the scope of this application; therefore, it should be considered that the range description has specifically disclosed all possible sub-ranges and single numerical values ​​within that range. For example, it should be considered that the range description from 1 to 6 has specifically disclosed sub-ranges such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., and single numbers within the range, such as 1, 2, 3, 4, 5, and 6, regardless of the range. Furthermore, whenever a numerical range is referred to herein, it means including any referenced number (fraction or integer) within the referred range.

[0037] Please refer to Figures 1-5 This application provides an atomizing core 10, comprising:

[0038] Main body 100;

[0039] The heating element includes multiple heating elements 230, multiple connecting leads 220, and a common lead 210. The multiple heating elements 230 are connected to the common lead 210 sequentially along the length of the common lead 210 and are spaced apart. The connecting leads 220 are connected to the heating elements 230 one by one. The heating elements 230 have a hollow structure.

[0040] In this embodiment, the atomizing core 10 operates as follows: First, the user can energize a connecting lead 220 and a common lead 210, causing the heating element 230 between the connecting lead 220 and the common lead 210 to heat up under the influence of the current, thereby heating the aerosol generating medium in contact with the atomizing core 10. Second, after a period of use, the current to the connecting lead 220 of the heating element 230 is disconnected, and the connecting lead 220 corresponding to another heating element 230 is energized, thus switching the operation of the heating element 230. Then, if it is necessary to increase the heating efficiency of the atomizing core 10, the connecting leads 220 of multiple heating elements 230 can be energized simultaneously, so that multiple heating elements 230 can work at the same time, thereby improving the working efficiency of the heating elements 230.

[0041] In summary, the atomizing core 10 of this embodiment has a simple structure and can switch the number and target of the energized connecting leads 220 to allow the heating elements 230 to work alternately, avoiding carbon buildup after a single heating element 230 has been working for a long time. This improves the efficiency, lifespan, and user experience of the atomizing core 10. At the same time, it can also improve the heating efficiency of the atomizing core 10 by activating multiple heating elements 230 simultaneously, thereby enhancing the user experience.

[0042] Further, please refer to Figures 4-5 The heating element 230 includes a first end and a second end that are disposed opposite to each other. The first end is connected to a common lead 210 and the second end is connected to a connecting lead 220. Along the length of the heating element 230, the connecting lead 220 coincides with the axis of symmetry of the heating element 230.

[0043] In this embodiment, the first ends of multiple heating elements 230 are connected to a common lead 210, thus saving on lead wire installation, improving the space utilization of the atomizing core 10, and reducing costs. The coincidence of the connecting lead 220 with the axis of symmetry of the heating element 230 should be understood as meaning that, along the length direction of the heating element 230 (Z direction in the figure), each heating element 230 has an axis of symmetry. The coincidence of the connecting lead 220 with this axis of symmetry ensures that the force on both sides of each heating element 230 is even, preventing it from easily rotating clockwise or counterclockwise under stress, thereby improving the service life of the atomizing core 10.

[0044] Further, please refer to Figures 1-5 The main body 100 is provided with a through hole 110, and heating elements 230 are connected to the inner wall of the through hole 110 and arranged sequentially along the circumference of the through hole 110. At least a portion of the common leads 210 and connecting leads 220 are connected to the inner wall of the through hole 110; and / or,

[0045] The heating element 230 includes multiple hollow hexagonal frames, which are connected sequentially along the length of the heating element 230.

[0046] In this embodiment, the through hole 110 serves to accommodate the heating element 230 and is connected to the suction channel, allowing the heating element 230 to heat the aerosol and generate a medium, which is then directly used for suction by the user. The heating elements 230 are arranged sequentially along the circumference of the through hole 110, ensuring uniform distribution within the hole and preventing uneven heating of the aerosol generation medium.

[0047] It should be understood that the main body 100 includes materials such as porous ceramics or oil-absorbing cotton, which allows the aerosol generating medium to permeate into the outer wall and then be heated by the heating element 230 on the inner wall of the through hole 110 to generate aerosol. The aerosol will be drawn in by the user along the length of the through hole 110. When the heating element 230 is a hollow hexagonal frame, its structure is stable, and it can effectively distribute the force to its six corners when under stress, thereby improving the structural strength of the heating element 230. At the same time, the hexagonal frame can increase the heating area of ​​the heating element 230.

[0048] Further, please refer to Figures 1-5 A gap is formed between adjacent heating elements 230, and the ratio of the width of the gap to the circumference of the through hole 110 is 1:(2~10).

[0049] In this embodiment, the width of the gap will affect the total width of the multiple heating elements 230. Since the heating elements 230 are disposed within the through hole 110, the ratio of the gap width to the perimeter of the through hole 110 in this embodiment can ensure that the heating elements 230 are evenly distributed within the through hole 110, and can effectively prevent adjacent heating elements 230 from contacting each other when subjected to force or bending, thereby preventing current transmission between adjacent heating elements 230.

[0050] Further, please refer to Figures 1-5 Along the arrangement direction of the multiple heating elements 230, the farthest distance between the multiple heating elements 230 is the first distance, and the ratio of the first distance to the circumference of the through hole 110 is 1:(1~5).

[0051] In this embodiment, the first distance should be understood as the farthest distance between the heating elements 230 on both sides along the X direction in the figure, and the straight line formed by this first distance should be parallel to the X-axis. Taking the heating element 230 in the figure as a hexagonal frame as an example, the first distance is the distance between the two corners of the hexagonal frame that are farthest apart on the same X-axis. The ratio of the first distance to the perimeter of the through hole 110 is such that the heating element 230... The preferred ratio of the first distance to the perimeter of the through hole 110 is 2:3.

[0052] Further, please refer to Figures 1-5The main body 100 is a triangular prism, the through hole 110 is a triangular through hole 110, there are at least three heating elements 230, and the heating elements 230 are evenly distributed on the three inner sidewalls of the triangular through hole 110, and the common lead 210 is bent and connected to the three inner sidewalls of the triangular through hole 110.

[0053] In this embodiment, when the main body 100 is a triangular prism, the heating element 230 can be evenly distributed on the three inner walls of the triangular through hole 110, ensuring that each inner wall of the triangular through hole 110 can be heated when the heating element 230 is working simultaneously, thereby achieving uniform heating efficiency. This improves the yield and taste of aerosols.

[0054] Further, please refer to Figures 1-5 Along the arrangement direction of the heating elements 230, the spacing between adjacent heating elements 230 is equal to the width of a single heating element 230.

[0055] In this embodiment, the design of the heating element 230 having a width equal to the gap width allows the arrangement of the heating element 230 on the inner wall of the through hole 110 to achieve a balance between maximizing heating area coverage and uniform heat distribution. The space (width) occupied by the heating element 230 itself is equal to the space (gap width) left for aerosol flow and medium penetration, ensuring effective coverage of the heating area while providing sufficient and uniform channels for aerosol generation and flow, which helps to improve overall thermal efficiency and the smoothness of aerosol flow.

[0056] Further, please refer to Figures 1-5 The main body 100 is a quadrangular prism, the through hole 110 is a quadrilateral through hole, there are at least four heating elements 230, and the heating elements 230 are evenly distributed on the four inner side walls of the quadrilateral through hole 110. The common lead 210 is bent and connected to the four inner side walls of the quadrilateral through hole 110.

[0057] Further, please refer to Figures 1-5 The common lead 210 is bent toward the length direction of the connecting lead 220 to form a connecting portion 212 and a conductive portion 213. The heating element 230 is connected to the connecting portion 212 and is arranged sequentially along the length direction of the connecting portion 212. The conductive portion 213 is parallel to the connecting lead 220; and / or,

[0058] Through hole 110 is a round hole, and body 100 is a cylinder; and / or,

[0059] The heating element 230 includes at least one of a hollow triangular frame, a quadrilateral frame, a pentagonal frame, and a circular frame.

[0060] In this embodiment, the common lead 210 can be bent at the bending point 211, thereby forming a connecting portion 212 and a conductive portion 213. This bending design (forming the connecting portion 212 and the conductive portion 213) achieves a compact spatial layout. The connecting portion 212 is positioned along the inner wall of the through hole 110 (e.g., the circumference of a circular hole), facilitating the uniform distribution of the heating element 230 on it; the conductive portion 213 is parallel to the direction of the connecting lead 220, allowing for centralized routing to the power connection point, simplifying the internal wiring layout and reducing assembly complexity.

[0061] It should be understood that when the main body 100 is a cylinder, the structure of the heating element 230 can be as follows: Figure 5 As shown, it is set as an arc-shaped piece to fit and conform to the inner wall of the through hole 110.

[0062] Further, please refer to Figures 1-5 The hollow frame structure of the heating element 230 has multiple layers on a plane perpendicular to the ZX plane.

[0063] In this embodiment, a multi-layered (perpendicular to the ZX plane) nested or stacked frame structure (e.g., a double-layered hexagonal grid) is designed within the plane of the heating element 230. This significantly increases the effective heating area and surface area per unit projected area of ​​the heating element 230, not only improving thermal efficiency and allowing the aerosol generating medium to be heated more quickly and fully, thus increasing atomization; at the same time, the increased surface area helps to disperse the heat flux density, slowing down local high-temperature charring, and the microchannels formed by the multi-layered structure also facilitate capillary penetration and uniform heating of the aerosol medium, further inhibiting the formation of carbon deposits and maintaining efficiency and taste during long-term use.

[0064] Accordingly, please refer to Figures 1-5 This application also provides an aerosol generating device, which includes the atomizing core 10 of any of the above embodiments.

[0065] In this embodiment, since the aerosol generating device of this application includes the atomizing core 10 in the above embodiment, the structure of the aerosol generating device is simple. It can switch the number and target of the energized connecting leads 220 so that the heating elements 230 work alternately, avoiding carbon buildup after a single heating element 230 has been working for a long time. This improves the efficiency, service life and user experience of the aerosol generating device. At the same time, it can also improve the heating efficiency of the aerosol generating device by activating multiple heating elements 230 at the same time, thereby improving the user experience.

[0066] Further, please refer to Figures 1-5The aerosol generating device also includes a control circuit and a temperature sensor. At least one heating element 230 or its connected lead 220 is connected to the temperature sensor, and the temperature sensor signal is connected to the control circuit.

[0067] In this embodiment, an integrated temperature sensor (such as a miniature thermistor or utilizing the temperature coefficient of resistance (RTD) of the heating element 230 material itself) can monitor the actual operating temperature of the heating element 230 in real time. Based on the temperature value fed back by the sensor, the control circuit dynamically adjusts the current (power) supplied to the heating element 230 to ensure the temperature remains stable within the set optimal atomization range (e.g., avoiding insufficient atomization due to excessively low temperatures or burning due to excessively high temperatures). This not only improves the consistency of atomization and taste quality but also prevents accelerated carbon buildup or device damage caused by overheating, further optimizing energy efficiency and safety, and enhancing the user experience.

[0068] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

[0069] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, combinations, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. An atomizing core, characterized in that, include: main body; A heating element includes multiple heating elements, multiple connecting leads, and a common lead. The multiple heating elements are sequentially connected to the common lead along its length and are spaced apart. The connecting leads are connected to the heating elements one-to-one. The heating elements have a hollow structure.

2. The atomizing core according to claim 1, characterized in that, The heating element includes a first end and a second end disposed opposite to each other. The first end is connected to the common lead, and the second end is connected to the connecting lead. Along the length direction of the heating element, the connecting lead coincides with the axis of symmetry of the heating element.

3. The atomizing core according to claim 1, characterized in that, The main body is provided with a through hole, the heating element is connected to the inner wall of the through hole and arranged sequentially along the circumference of the through hole, and at least part of the common lead and connecting lead are connected to the inner wall of the through hole.

4. The atomizing core according to claim 3, characterized in that, A gap is formed between adjacent heating elements, and the ratio of the width of the gap to the circumference of the through hole is 1:(2-10); and / or, The heating element includes multiple hollow hexagonal frames, which are connected sequentially along the length of the heating element; and / or, The through hole is a circular hole, and the main body is a cylinder; and / or, The heating element includes at least one of a hollow triangular frame, a quadrilateral frame, a pentagonal frame, and a circular frame.

5. The atomizing core according to claim 3, characterized in that, Along the arrangement direction of the plurality of heating elements, the farthest distance between the plurality of heating elements is a first distance, and the ratio of the first distance to the circumference of the through hole is 1:(1~5).

6. The atomizing core according to claim 1, characterized in that, The main body is a triangular prism, and the main body is provided with a through hole. The through hole is a triangular through hole. There are at least three heating elements, and the heating elements are evenly distributed on the three inner sidewalls of the triangular through hole. The common lead is bent and connected to the three inner sidewalls of the triangular through hole.

7. The atomizing core according to claim 6, characterized in that, Along the arrangement direction of the heating elements, the spacing between adjacent heating elements is equal to the width of a single heating element.

8. The atomizing core according to claim 1, characterized in that, The main body is a quadrangular prism, and the main body is provided with a through hole, which is a quadrilateral through hole. There are at least four heating elements, and the heating elements are evenly distributed on the four inner sidewalls of the quadrilateral through hole. The common lead is bent and connected to the four inner sidewalls of the quadrilateral through hole.

9. The atomizing core according to claim 1, characterized in that, The common lead is bent toward the length direction of the connecting lead to form a connecting part and a conductive part. The heating element is connected to the connecting part and is arranged sequentially along the length direction of the connecting part. The conductive part is parallel to the connecting lead.

10. An aerosol generating device, characterized in that, The aerosol generating device includes the atomizing core as described in any one of claims 1 to 9.

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