Heating element, atomizing assembly and aerosol generating device

Abstract

The utility model relates to the technical field of heating atomization equipment, and provides a heating piece, an atomization assembly and an aerosol generating device.The heating piece comprises a conductive part, a connecting part and at least two heating parts, and the conductive part is used for external power supply and guaranteeing the atomization function of the heating piece; the heating part is used for directly heating the liquid aerosol generating substrate and atomizing to generate aerosol; the conductive part comprises a first conductive part and at least two second conductive parts, the first conductive part and all the second conductive parts are distributed side by side at intervals in the first direction, one end of each heating part is electrically connected with the same first conductive part, and the other end of each heating part is electrically connected with one second conductive part; the plurality of heating parts, the first conductive part and the second conductive part can form a plurality of heating circuits, so that a user can conveniently adjust the number of the access circuits to adjust the heating area of the heating element, the selectivity and diversity of the heating element on atomization power adjustment are effectively increased, adjustment of various mist output amounts can be realized, and the taste of the user is enriched.

Description

Technical Field

[0001] The present application relates to the technical field of heating atomization equipment, and in particular to a heating element, an atomization assembly and an aerosol generating device. Background Art

[0002] An aerosol generating device is an electronic device that uses a battery to power a liquid aerosol generating matrix and a heater to generate aerosol through atomization for use by users. In some aerosol generating devices, the heater uses a single heating circuit and the heating area of ​​the heater is fixed, so that the atomization power of the heater is single and the mist output is relatively constant, resulting in a relatively single taste for users.

[0003] Therefore, the prior art has defects and needs to be improved and developed. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present application is to provide a heating element, an atomization assembly and an aerosol generating device, aiming to solve the technical problem that the atomization power adjustment of the heating element is limited.

[0005] A technical solution adopted by the present application to solve the technical problem is as follows: a heating element is applied to an atomizing component in an aerosol generating device to heat an atomized liquid aerosol generating substrate, and the heating element comprises:

[0006] A conductive portion, the conductive portion comprising a first conductive portion and at least two second conductive portions, the first conductive portion and all the second conductive portions are arranged side by side and spaced apart along a first direction;

[0007] At least two heating parts, all of which are arranged side by side and spaced apart in a direction perpendicular to the first direction; the heating parts are located between the first conductive part and the second conductive part; one end of all of the heating parts is electrically connected to the same first conductive part, and the other end is electrically connected to one of the second conductive parts respectively;

[0008] A connecting portion, through which at least one end of at least one of the heat generating portions is electrically connected to the conductive portion.

[0009] Optionally, the heating portion is in a mesh shape.

[0010] Optionally, along a direction perpendicular to the first direction, the heat generating portion or the heat generating portion and the connecting portion, with the first conductive portion and the second conductive portion respectively connected at both ends, have a size increasing in the first direction.

[0011] Optionally, the at least two heating parts include:

[0012] A first heating portion and at least one second heating portion, wherein all of the second heating portions are arranged side by side and spaced apart on the same side of the first heating portion in a direction perpendicular to the first direction;

[0013] The first heating part and the second heating part have the same structure and size;

[0014] Two ends of the first heating portion are respectively connected to the first conductive portion and the second conductive portion;

[0015] One end of the second heating part is connected to the first conductive part or the second conductive part through one of the connecting parts, and the other end is connected to the second conductive part or the first conductive part;

[0016] Along a direction perpendicular to the first direction and away from the first heat-generating portion, a size of the connecting portion in the first direction increases gradually.

[0017] Optionally, the at least two heating parts include:

[0018] A first heating portion and at least one second heating portion, wherein all of the second heating portions are arranged side by side and spaced apart on the same side of the first heating portion in a direction perpendicular to the first direction;

[0019] The first heating part and the second heating part have the same structure and size;

[0020] Two ends of the first heating portion are respectively connected to the first conductive portion and the second conductive portion;

[0021] One end of the second heating part is connected to the first conductive part through the same connecting part, and the other end is connected to one of the second conductive parts respectively;

[0022] A side of the connecting portion away from the first conductive portion is in a decreasing step shape along a direction approaching the first heating portion.

[0023] Optionally, the at least two heating parts include:

[0024] A first heating portion and at least one second heating portion, wherein all of the second heating portions are arranged side by side and spaced apart on the same side of the first heating portion in a direction perpendicular to the first direction;

[0025] The first heating portion and the second heating portion have the same structure;

[0026] The first heating portion and the second heating portion have the same size in a direction perpendicular to the first direction; the size of the second heating portion in the first direction increases gradually from the direction away from the first heating portion, and compared with all the second heating portions, the size of the first heating portion in the first direction is the smallest.

[0027] Optionally, the structures and sizes of all the heating parts in a direction perpendicular to the first direction are the same; and at least two of all the heating parts have different sizes in the first direction.

[0028] Optionally, the structures and sizes of all the heating parts in a direction perpendicular to the first direction are the same; and at least two of all the heating parts have the same size in the first direction.

[0029] Another technical solution adopted by the present application to solve the technical problem is as follows: an atomization component, comprising:

[0030] The liquid guiding member and the heating member as described above, wherein the liquid guiding member is provided with an atomizing hole, and the outer periphery of the heating member is in contact with the inner wall of the atomizing hole.

[0031] Another technical solution adopted by the present application to solve the technical problem is as follows: an aerosol generating device includes the atomization assembly as described above.

[0032] Compared with the prior art, the present application provides a heating element, an atomization assembly and an aerosol generating device, wherein the heating element comprises a conductive part, a connecting part and at least two heating parts, wherein the conductive part is used for external power supply to ensure the atomization function of the heating element; the heating part is used for directly heating the liquid aerosol generating matrix to generate aerosol by atomization; the conductive part comprises a first conductive part and at least two second conductive parts, wherein the first conductive part and all the second conductive parts are arranged side by side and spaced apart along a first direction, and one end of all the heating parts is electrically connected to the same first conductive part, and the other end is electrically connected to a second conductive part respectively, so that a plurality of heating parts and the first conductive part and the second conductive part can form a plurality of heating circuits, which is convenient for the user to adjust the number of connected circuits to adjust the heating area of ​​the heating element, effectively increasing the selectivity and diversity of the heating element in adjusting the atomization power, and realizing the adjustment of a variety of mist output amounts, which is beneficial to enriching the user's taste.

[0033] By adopting multiple heating parts, when in use, the multiple heating parts are attached to the inner wall of the atomization hole of the liquid guide part, which can improve the utilization rate of the space, increase the total heating area, and help improve the atomization efficiency.

[0034] At least one end of at least one heating part is electrically connected to the conductive part through the connecting part. The structure and size of the heating part determine the heating area of ​​the heating part. When multiple heating parts are powered externally through the first conductive parts at both ends and multiple second conductive parts, since the second conductive parts are distributed at intervals, there must be differences in size between the multiple heating parts. At least one end of the heating part is electrically connected to the first conductive part or the second conductive part through the connecting part. The size of the connecting part can be adjusted to ensure that the size of the heating part meets the requirements, that is, to ensure that the heating area meets the design needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1It is a schematic diagram of the three-dimensional structure of the atomization assembly provided in this application;

[0036] Figure 2 is a front schematic diagram of the unfolded state of the heating element provided in the present application;

[0037] Figure 3 is a front schematic diagram of the unfolded state of the heating element deformation structure provided in the present application;

[0038] Figure 4 is a front schematic diagram of the unfolded state of the heating element deformation structure provided in the present application;

[0039] Figure 5 is a front schematic diagram of the unfolded state of the heating element deformation structure provided in the present application;

[0040] Figure 6 It is a front view schematic diagram of the unfolded state of the heating element deformation structure provided in the present application.

[0041] Description of reference numerals:

[0042] 10. Heating element; 11. Conductive part; 12. Connecting part; 13. Heating part; 111. First conductive part; 112. Second conductive part; 131. First heating part; 132. Second heating part; 20. Atomizing assembly; 21. Liquid guiding part; 211. Atomizing hole. DETAILED DESCRIPTION

[0043] 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 cannot be understood as limiting the present application.

[0044] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. 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 technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, "multiple" means two or more.

[0045] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] The present application aims to solve the technical problem that the atomization power adjustment of the heating element is limited, and provides a heating element, an atomization assembly and an aerosol generating device. The heating element includes a conductive part, a connecting part and at least two heating parts. The conductive part is used for external power supply to ensure the atomization function of the heating element; the heating part is used to directly heat the liquid aerosol generating matrix and atomize to produce aerosol; the conductive part includes a first conductive part and at least two second conductive parts, the first conductive part and all the second conductive parts are arranged side by side and spaced along a first direction, one end of all the heating parts is electrically connected to the same first conductive part, and the other end is electrically connected to a second conductive part respectively, so that multiple heating parts and the first conductive part and the second conductive part can form multiple heating circuits, which is convenient for users to adjust the number of connected circuits to adjust the heating area of ​​the heating element, effectively increasing the selectivity and diversity of the heating element in atomization power adjustment, and can realize the adjustment of multiple mist output amounts, which is conducive to enriching the user's taste; please refer to the following embodiments for details.

[0047] Please refer to Figure 1 , Figure 2 and Figure 3 In the first embodiment of the present application, a heating element 10 is provided, which is applied to an atomizing assembly 20 in an aerosol generating device to heat an atomized liquid aerosol generating matrix, and the heating element 10 includes a conductive part 11, a connecting part 12 and at least two heating parts 13; the conductive part 11 includes a first conductive part 111 and at least two second conductive parts 112, and the first conductive part 111 and all the second conductive parts 112 are arranged side by side and spaced apart along a first direction; all the heating parts 13 are arranged side by side and spaced apart along a direction perpendicular to the first direction; the heating part 13 is located between the first conductive part 111 and the second conductive part 112; one end of all the heating parts 13 is electrically connected to the same first conductive part 111, and the other end is electrically connected to one of the second conductive parts 112; at least one end of at least one heating part 13 is electrically connected to the conductive part 11 through the connecting part 12.

[0048] It can be understood that the heating element 10 provided in the present application is installed in the atomization assembly 20, and is used to heat the liquid aerosol generation matrix, and atomize to generate aerosol for the user to use; the heating element 10 includes a conductive part 11, a connecting part 12 and at least two heating parts 13, the conductive part 11 is used to connect the control circuit board or battery core in the external aerosol generation device to ensure the normal power supply of the heating element 10; the heating part 13 is used to directly heat the liquid aerosol generation matrix, and atomize to generate aerosol; the conductive part 11 includes a first conductive part 111 and at least two second conductive parts 112, the first conductive part 111 and all the second conductive parts 112 are connected along the first conductive part 111. The heating parts 13 are arranged side by side and spaced apart in one direction, one end of all the heating parts 13 is electrically connected to the same first conductive part 111, and the other end is electrically connected to a second conductive part 112, so that the plurality of heating parts 13 and the first conductive part 111 and the second conductive part 112 can form a plurality of heating circuits, which is convenient for the user to adjust the number of connected circuits to adjust the heating area of ​​the heating element 10, effectively increasing the selectivity and diversity of the atomization power adjustment of the heating element 10, and realizing the adjustment of a variety of mist output amounts, which is conducive to enriching the user's taste; for example: the first conductive part 111 is connected to the negative power supply or the positive power supply, and the second conductive part 112 is connected to the positive The plurality of heating parts 13 and the first conductive part 111 and the second conductive part 112 can form a plurality of parallel heating circuits; at the same time, the plurality of heating parts 13 are used. When in use, the plurality of heating parts 13 are attached to the inner wall of the atomization hole 211 of the liquid guide 21, which can improve the utilization rate of the space, increase the total heating area, and help improve the atomization efficiency; at least one end of at least one heating part 13 is electrically connected to the conductive part 11 through the connecting part 12, and the structure and size of the heating part 13 determine the heating area of ​​the heating part 13. When external power is supplied, since the second conductive parts 112 are spaced apart, the sizes of the plurality of heating parts 13 are necessarily different. At least one end of the heating part 13 is electrically connected to the first conductive part 111 or the second conductive part 112 through the connecting part 12. The size of the connecting part 12 can be adjusted to ensure that the size of the heating part 13 meets the requirements, that is, to ensure that the heating area meets the design requirements. For example, when the structures and sizes of the plurality of heating parts 13 are designed to be the same, the size of the connecting part 12 connected to the conductive part 11 is adjusted to ensure that the second conductive parts 112 are spaced apart from each other, so that the plurality of heating circuits can be independently controlled.

[0049] Please continue reading Figure 2 and Figure 3 In some embodiments, the heating portion 13 is mesh-shaped.

[0050] It can be understood that the heating portion 13 is in a mesh shape, so that the heating portion 13 evenly heats the liquid aerosol to generate a matrix, which is beneficial to improving the uniformity of aerosol mist output and improving the user's taste.

[0051] Please continue reading Figure 2 and Figure 3 In some embodiments, along a direction perpendicular to the first direction, the heat generating portion 13 or the heat generating portion 13 and the connecting portion 12 , whose two ends are respectively connected to the first conductive portion 111 and the second conductive portion 112 , have a size increasing in the first direction.

[0052] It can be understood that a heating part 13 or a heating part 13 and a connecting part 12 may be electrically connected between a first conductive part 111 and a second conductive part 112; the heating part 13 or the heating part 13 and the connecting part 12, which are respectively connected to a first conductive part 111 and a second conductive part 112 at both ends, have an increasing size in the first direction, so that the heating part 13 or the heating part 13 and the connecting part 12 electrically connected between a first conductive part 111 and a second conductive part 112 are distributed in a stepped manner, ensuring that a plurality of second conductive parts 112 are spaced apart, which is beneficial to ensuring that a plurality of heating circuits formed by the plurality of heating parts 13 can be independently controlled, and is beneficial to improving space utilization, increasing the total heating area, and improving atomization efficiency.

[0053] See also Figure 4 In some embodiments, the at least two heating parts 13 include a first heating part 131 and at least one second heating part 132, and all of the second heating parts 132 are arranged side by side and spaced apart on the same side of the first heating part 131 along a direction perpendicular to the first direction; the structures and sizes of the first heating part 131 and the second heating part 132 are the same; the two ends of the first heating part 131 are respectively connected to the first conductive part 111 and the second conductive part 112; one end of the second heating part 132 is connected to the first conductive part 111 or the second conductive part 112 through one of the connecting parts 12, and the other end is connected to the second conductive part 112 or the first conductive part 111; along the direction perpendicular to the first direction and away from the first heating part 131, the size of the connecting part 12 in the first direction increases gradually.

[0054] It can be understood that all the heating parts 13 include a first heating part 131 and at least one second heating part 132, all the second heating parts 132 are located on the same side of the first heating part 131, and are spaced side by side in a direction away from the first heating part 131, the first heating part 131 and the second heating part 132 have the same structure and size, so that the heating area of ​​the first heating part 131 and the second heating part 132 are the same, and a plurality of heating circuits with the same resistance can be formed after external power supply is provided by the first conductive part 111 and the second conductive part 112, so that the user can directly adjust the number of heating circuits connected to the power supply, realize the step-by-step adjustment of the heating power, and realize the selection of a variety of mist output amounts, which is conducive to enriching the user's taste. The two ends of the first heating part 131 are directly connected to the first conductive part 111 and the second conductive part 112 respectively. One end of the second heating part 132 is connected to the first conductive part 111 or the second conductive part 112 through a connecting part 12, and the other end is directly connected to the second conductive part 112 or the first conductive part 111. Along the direction perpendicular to the first direction and away from the first heating part 131, the size of the connecting part 12 in the first direction increases gradually. By designing the size of the connecting part 12 in the first direction, it is ensured that intervals are formed between the multiple second conductive parts 112 to avoid short circuit, which is beneficial to ensuring that the multiple heating circuits formed by the first heating part 131 and the multiple second heating parts 132 can be independently controlled, and is beneficial to fully utilizing the space, effectively increasing the total heating area, and improving the atomization efficiency.

[0055] See also Figure 5 In some embodiments, the at least two heating parts 13 include a first heating part 131 and at least one second heating part 132, and all the second heating parts 132 are arranged side by side and spaced apart on the same side of the first heating part 131 along a direction perpendicular to the first direction; the structures and sizes of the first heating part 131 and the second heating part 132 are the same; the two ends of the first heating part 131 are respectively connected to the first conductive part 111 and the second conductive part 112; one end of the second heating part 132 is connected to the first conductive part 111 through the same connecting part 12, and the other end is respectively connected to one of the second conductive parts 112; the side of the connecting part 12 away from the first conductive part 111 is in a decreasing step shape along the direction approaching the first heating part 131.

[0056] It can be understood that all the heating parts 13 include a first heating part 131 and at least one second heating part 132, all the second heating parts 132 are located on the same side of the first heating part 131, and are spaced side by side in a direction away from the first heating part 131, the first heating part 131 and the second heating part 132 have the same structure and size, so that the heating area of ​​the first heating part 131 and the second heating part 132 are the same, and a plurality of heating circuits with the same resistance can be formed after external power supply is provided by the first conductive part 111 and the second conductive part 112, so that the user can directly adjust the number of heating circuits connected to the power supply, realize the step-by-step adjustment of the heating power, and realize the selection of a variety of mist output amounts, which is conducive to enriching the user's taste. The two ends of the first heating part 131 are directly connected to the first conductive part 111 and the second conductive part 112 respectively. One end of all the second heating parts 132 are connected to the first conductive part 111 through the same connecting part 12, and the other end is connected to the second conductive part 112 respectively. The side of the connecting part 12 away from the first conductive part 111 is in a decreasing step shape along the direction close to the first heating part 131. By designing the size of the connecting part 12 in the first direction, it is ensured that a plurality of second conductive parts 112 are spaced to avoid short circuit, which is conducive to ensuring that the plurality of heating circuits formed by the first heating part 131 and the plurality of second heating parts 132 can be independently controlled, and is conducive to making full use of the space, effectively increasing the total heating area, and improving the atomization efficiency. At the same time, one end of all the second heating parts 132 are connected to the first conductive part 111 through the same connecting part 12, and the use of the same connecting part 12 is conducive to reducing the difficulty of processing.

[0057] See also Figure 6 In some embodiments, the at least two heating parts 13 include a first heating part 131 and at least one second heating part 132, all of the second heating parts 132 are arranged side by side and spaced apart on the same side of the first heating part 131 along a direction perpendicular to the first direction; the first heating part 131 and the second heating part 132 have the same structure; the first heating part 131 and the second heating part 132 have the same size perpendicular to the first direction; the size of the second heating part 132 in the first direction increases gradually from the direction away from the first heating part 131, and compared with all of the second heating parts 132, the first heating part 131 has the smallest size in the first direction.

[0058] It can be understood that all the heating parts 13 include a first heating part 131 and at least one second heating part 132. All the second heating parts 132 are located on the same side of the first heating part 131 and are spaced side by side in a direction away from the first heating part 131. The first heating part 131 and the second heating part 132 have the same structure but different sizes. Specifically, the first heating part 131 and the second heating part 132 have the same size perpendicular to the first direction, and the size of the second heating part 132 in the first direction increases from the direction away from the first heating part 131. Compared with all the second heating parts 132, the first heating part 131 has the smallest size in the first direction, that is, the heating area of ​​the first heating part 131 and all the second heating parts 132 increases gradually from the first heating part 131 in the direction away from the first heating part 131. After the first conductive part 111 and the second conductive part 112 are externally powered, a plurality of heating circuits with different resistances can be formed, so that the user can directly switch the connected heating circuits with different resistances to realize the step-by-step adjustment of the heating power, and realize the selection of a variety of mist output amounts, which is conducive to enriching the user's taste.

[0059] Since the first heating portion 131 and all the second heating portions 132 are arranged in a step-by-step manner in a direction away from the first heating portion 131, it can be ensured that intervals are formed between the multiple second conductive portions 112 to avoid short circuits, which is beneficial to ensuring that the multiple heating circuits formed by the first heating portion 131 and the multiple second heating portions 132 can be independently controlled, and is beneficial to achieving full utilization of space, effectively increasing the total heating area, and improving the atomization efficiency; the first heating portion 131 and all the second heating portions 132 can be electrically connected to the first conductive portion 111 through the same connecting portion 12 or through a connecting portion 12 respectively.

[0060] Please continue reading Figure 3 and Figure 6 In some embodiments, the structures and sizes of all the heating parts 13 in a direction perpendicular to the first direction are the same; and at least two of all the heating parts 13 have different sizes in the first direction.

[0061] It can be understood that the structures and dimensions of all the heating parts 13 perpendicular to the first direction are the same, and the resistance of the heating part 13 can be designed by controlling the dimensions of the heating part 13 in the first direction to achieve different atomization power design requirements; at least two of all the heating parts 13 have different resistance values, which is conducive to enriching the atomization power and enhancing the diversified taste experience of users.

[0062] Please continue reading Figure 2 , Figure 3 , Figure 4 and Figure 5In some embodiments, the structures and sizes of all the heating parts 13 in a direction perpendicular to the first direction are the same; and at least two of all the heating parts 13 have the same size in the first direction.

[0063] It can be understood that the structures and dimensions of all the heating parts 13 perpendicular to the first direction are the same, and the resistance of the heating part 13 can be designed by controlling the dimensions of the heating part 13 in the first direction to achieve different atomization power design requirements; at least two of all the heating parts 13 have the same resistance value, which is conducive to enriching the atomization power and enhancing the diversified taste experience of users.

[0064] Please continue to refer to Figure 1 , Figure 2 and Figure 3 In the second embodiment of the present application, an atomization assembly 20 is also provided, including a liquid guiding member 21 and the heating member 10 as described above, wherein the liquid guiding member 21 is provided with an atomization hole 211 , and the outer periphery of the heating member 10 is in contact with the inner wall of the atomization hole 211 .

[0065] It can be understood that the liquid guiding member 21 is used to absorb and guide the liquid aerosol generating matrix; the heating member 10 is used to heat the liquid aerosol generating matrix to generate aerosol by atomization; the liquid guiding member 21 has an atomization hole 211 for accommodating the heating member 10; the outer periphery of the heating member 10 is fitted with the inner wall of the atomization hole 211 to ensure that the heating member 10 is in full contact with the liquid guiding member 21, which is conducive to ensuring the atomization power and improving the atomization effect; the heating member 10 includes a conductive part 11, a connecting part 12 and at least two heating parts 13, the conductive part 11 is used to connect the control circuit board or battery core in the external aerosol generating device to ensure the normal power supply of the heating member 10; the heating part 13 is used to directly heat the liquid aerosol generating matrix. The substrate is atomized to produce aerosol; the conductive part 11 includes a first conductive part 111 and at least two second conductive parts 112, the first conductive part 111 and all the second conductive parts 112 are arranged side by side and spaced apart along the first direction, one end of all the heating parts 13 is electrically connected to the same first conductive part 111, and the other end is electrically connected to a second conductive part 112 respectively, so that the multiple heating parts 13 and the first conductive part 111 and the second conductive part 112 can form multiple heating circuits, which is convenient for users to adjust the number of connected circuits to adjust the heating area of ​​the heating element 10, effectively increasing the selectivity and diversity of the heating element 10 in adjusting the atomization power, and realizing the adjustment of multiple mist output amounts, which is conducive to the rich The user's taste is enriched; for example: the first conductive part 111 is connected to the negative power supply or the positive power supply, and the second conductive part 112 is connected to the positive power supply or the negative power supply. The multiple heating parts 13 and the first conductive part 111 and the second conductive part 112 can form multiple parallel heating circuits; at the same time, multiple heating parts 13 are used. When in use, the multiple heating parts 13 are attached to the inner wall of the atomization hole 211 of the liquid guide part 21, which can improve the utilization rate of the space, increase the total heating area, and help improve the atomization efficiency; at least one end of at least one heating part 13 is electrically connected to the conductive part 11 through the connecting part 12, and the structure and size of the heating part 13 determine the heating area of ​​the heating part 13. When the first conductive part 111 at one end and the plurality of second conductive parts 112 are externally powered, since the second conductive parts 112 are distributed at intervals, there must be differences in size between the plurality of heating parts 13. At least one end of the heating part 13 is electrically connected to the first conductive part 111 or the second conductive part 112 through the connecting part 12. The size of the connecting part 12 can be adjusted to ensure that the size of the heating part 13 meets the requirements, that is, to ensure that the heating area meets the design requirements. For example, when the structures and sizes of the plurality of heating parts 13 are designed to be the same, the size of the connecting part 12 connected to the conductive part 11 is adjusted to ensure that the second conductive parts 112 are spaced apart from each other, thereby ensuring that the plurality of heating circuits can be independently controlled.

[0066] A third embodiment of the present application further provides an aerosol generating device, comprising the atomizing assembly 20 as described above.

[0067] It can be understood that the aerosol generating device provided in the present application adopts the above-mentioned atomizing component 20, and the atomizing component 20 includes a liquid guiding component 21 and a heating component 10, the liquid guiding component 21 is used to adsorb and guide the liquid aerosol generating matrix; the heating component 10 is used to heat the liquid aerosol generating matrix to atomize and generate aerosol; the liquid guiding component 21 has an atomizing hole 211 for accommodating the heating component 10; the outer periphery of the heating component 10 is fitted with the inner wall of the atomizing hole 211 to ensure that the heating component 10 is in full contact with the liquid guiding component 21, which is conducive to ensuring the atomization power and improving the atomization effect; the heating component 10 includes a conductive part 11, a connecting part 12 and at least two heating parts 13, and the conductive part 11 is used to connect to the control circuit board or The battery core ensures that the power supply of the heating element 10 is normal; the heating part 13 is used to directly heat the liquid aerosol generation matrix and atomize to generate aerosol; the conductive part 11 includes a first conductive part 111 and at least two second conductive parts 112, the first conductive part 111 and all the second conductive parts 112 are arranged side by side and spaced apart along the first direction, one end of all the heating parts 13 is electrically connected to the same first conductive part 111, and the other end is electrically connected to a second conductive part 112 respectively, so that multiple heating parts 13 and the first conductive part 111 and the second conductive part 112 can form multiple heating circuits, which is convenient for users to adjust the number of connected circuits to adjust the heating area of ​​the heating element 10, and effectively increases the optional atomization power adjustment of the heating element 10 The selectivity and diversity can realize the adjustment of various mist output amounts, which is beneficial to enrich the user's taste; for example: the first conductive part 111 is connected to the negative power supply or the positive power supply, and the second conductive part 112 is connected to the positive power supply or the negative power supply, and multiple heating parts 13 and the first conductive part 111 and the second conductive part 112 can form multiple parallel heating circuits; at the same time, multiple heating parts 13 are used. When in use, the multiple heating parts 13 are attached to the inner wall of the atomization hole 211 of the liquid guide part 21, which can improve the utilization rate of the space, increase the total heating area, and is beneficial to improve the atomization efficiency; at least one end of at least one heating part 13 is electrically connected to the conductive part 11 through the connecting part 12, and the structure and size of the heating part 13 determine the heating area of ​​the heating part 13. When the plurality of heating parts 13 are powered externally through the first conductive parts 111 at both ends and the plurality of second conductive parts 112, since the second conductive parts 112 are distributed at intervals, the plurality of heating parts 13 must be different in size. At least one end of the heating part 13 is electrically connected to the first conductive part 111 or the second conductive part 112 through the connecting part 12. The size of the connecting part 12 can be adjusted to ensure that the size of the heating part 13 meets the requirements, that is, to ensure that the heating area meets the design requirements. For example, when the structures and sizes of the plurality of heating parts 13 are designed to be the same, the size of the connecting part 12 connected to the conductive part 11 is adjusted to ensure that the second conductive parts 112 are spaced apart from each other, thereby ensuring that the plurality of heating circuits can be independently controlled.

[0068] In summary, the present application provides a heating element, an atomization assembly and an aerosol generating device. The heating element includes a conductive part, a connecting part and at least two heating parts. The conductive part is used for external power supply to ensure the atomization function of the heating element; the heating part is used to directly heat the liquid aerosol generating matrix and atomize to produce an aerosol; the conductive part includes a first conductive part and at least two second conductive parts. The first conductive part and all the second conductive parts are arranged side by side and spaced apart along a first direction. One end of all the heating parts is electrically connected to the same first conductive part, and the other end is electrically connected to a second conductive part respectively, so that multiple heating parts and the first conductive part and the second conductive part can form multiple heating circuits, which is convenient for users to adjust the number of connected circuits to adjust the heating area of ​​the heating element, effectively increasing the selectivity and diversity of the heating element in atomization power adjustment, and can realize the adjustment of multiple fog output amounts, which is beneficial to enriching the user's taste.

[0069] It should be understood that the application of the present application is not limited to the above examples. For ordinary technicians in this field, improvements or changes can be made based on the above description. All these improvements and changes should fall within the scope of protection of the claims attached to this application.

Claims

1. A heating element, applied to an atomizing assembly in an aerosol generating device, to heat and atomize a liquid aerosol generating substrate, characterized in that: The heating element comprises: A conductive portion, the conductive portion comprising a first conductive portion and at least two second conductive portions, the first conductive portion and all the second conductive portions are arranged side by side and spaced apart along a first direction; At least two heating parts, all of which are arranged side by side and spaced apart in a direction perpendicular to the first direction; the heating parts are located between the first conductive part and the second conductive part; one end of all of the heating parts is electrically connected to the same first conductive part, and the other end is electrically connected to one of the second conductive parts respectively; A connecting portion, through which at least one end of at least one of the heat generating portions is electrically connected to the conductive portion.

2. The heating element according to claim 1, characterized in that The heating part is in a mesh shape.

3. The heating element according to claim 2, characterized in that: Along the direction perpendicular to the first direction, the heat generating portion or the heat generating portion and the connecting portion, at both ends of which are respectively connected to the first conductive portion and the second conductive portion, have a size increasing gradually in the first direction.

4. The heating element according to claim 3, characterized in that The at least two heating parts include: A first heating portion and at least one second heating portion, wherein all of the second heating portions are arranged side by side and spaced apart on the same side of the first heating portion in a direction perpendicular to the first direction; The first heating part and the second heating part have the same structure and size; Two ends of the first heating portion are respectively connected to the first conductive portion and the second conductive portion; One end of the second heating part is connected to the first conductive part or the second conductive part through one of the connecting parts, and the other end is connected to the second conductive part or the first conductive part; Along a direction perpendicular to the first direction and away from the first heat-generating portion, a size of the connecting portion in the first direction increases gradually.

5. The heating element according to claim 3, characterized in that: The at least two heating parts include: A first heating portion and at least one second heating portion, wherein all of the second heating portions are arranged side by side and spaced apart on the same side of the first heating portion in a direction perpendicular to the first direction; The first heating part and the second heating part have the same structure and size; Two ends of the first heating portion are respectively connected to the first conductive portion and the second conductive portion; One end of the second heating part is connected to the first conductive part through the same connecting part, and the other end is connected to one of the second conductive parts respectively; A side of the connecting portion away from the first conductive portion is in a decreasing step shape along a direction approaching the first heating portion.

6. The heating element according to claim 3, characterized in that: The at least two heating parts include: A first heating portion and at least one second heating portion, wherein all of the second heating portions are arranged side by side and spaced apart on the same side of the first heating portion in a direction perpendicular to the first direction; The first heating portion and the second heating portion have the same structure; The first heating portion and the second heating portion have the same size in a direction perpendicular to the first direction; the size of the second heating portion in the first direction increases gradually from the direction away from the first heating portion, and compared with all the second heating portions, the size of the first heating portion in the first direction is the smallest.

7. The heating element according to claim 3, characterized in that: All of the heating parts have the same structure and the same size in a direction perpendicular to the first direction; at least two of the heating parts have different sizes in the first direction.

8. The heating element according to claim 3, characterized in that: All the heating parts have the same structure and the same size in a direction perpendicular to the first direction; at least two of the heating parts have the same size in the first direction.

9. An atomizing assembly, characterized in that: include: A liquid guiding member and a heating member as described in any one of claims 1 to 8, wherein the liquid guiding member is provided with an atomization hole, and the outer periphery of the heating member is in contact with the inner wall of the atomization hole.

10. An aerosol generating device, characterized in that: Comprising the atomization assembly as described in claim 9.

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