Heating element, atomizing core and electronic atomizing device

Abstract

The utility model provides a heating element, an atomization core and an electronic atomization device, and relates to the technical field of electronic atomization, the heating element comprises a connecting part, a first heating part and a second heating part, the connecting part is connected with a first electrode pin, the first heating part is formed by extending from the connecting part in a first direction, and the second heating part is formed by extending from the connecting part in a second direction; the first direction is different from the second direction, and the first heating part and the second heating part are adjacently arranged in the length direction of the connecting part and are not completely overlapped; the first heating part and the second heating part are connected with second electrode pins. The atomizing core comprises a liquid guide part and a heating part, an atomizing face is arranged on the liquid guide part, and the first heating part and the second heating part are arranged adjacently in the axial direction of the liquid guide part and attached to the two sides of the atomizing face in an arc mode respectively. The electronic atomization device comprises a shell, an atomization core and a control module. The heating element is high in heating efficiency, and the problems of core pasting and carbon deposition caused by heat accumulation on one side are solved.

Description

Technical Field

[0001] The present application relates to the field of electronic atomization technology, and in particular to a heating element, an atomization core and an electronic atomization device. Background Art

[0002] Electronic atomization devices utilize a heating element in the atomizer core to heat the atomizing matrix, which is transferred from the liquid guide to the atomizing surface, to generate atomized gas. In related technologies, the heating element of electronic atomization devices utilizes a single heating mesh structure. This single heating mesh has a small atomization area and relatively low atomization efficiency. To improve atomization efficiency, the atomization power of the atomizer core must be increased accordingly. Maintaining high power usage not only shortens the atomizer core's service life but also makes it more susceptible to core burnout and carbon deposits. Utility Model Content

[0003] This application provides a heating element, an atomizer core, and an electronic atomizer device, addressing the technical issues of existing atomizer cores with heating elements that utilize a single heating mesh structure, resulting in low atomization efficiency and service life, and the susceptibility to core burning and carbon deposits. The heating element provided in this application has a high atomization efficiency and, through the use of a first heating portion and a second heating portion spaced and staggered in an upper and lower arrangement, addresses the problem of heat accumulation on one side of the heating element, leading to core burning and carbon deposits. This significantly improves the quality of the atomized material, thereby providing a better vaping experience.

[0004] In some embodiments of the present application, a heating element is provided, which includes: a connecting portion, the connecting portion being electrically connected to a first electrode pin; a first heating portion, the first heating portion being electrically connected to the connecting portion, the first heating portion extending from the connecting portion along a first direction, the first direction being perpendicular to the length direction of the connecting portion; a second heating portion, the second heating portion and the first heating portion being adjacently arranged in the length direction of the connecting portion, the second heating portion extending from the connecting portion along a second direction, the second direction being perpendicular to the length direction of the connecting portion; wherein the first direction and the second direction are different, the first heating portion and the second heating portion do not completely overlap in the length direction of the connecting portion; and at least two second electrode pins, the second electrode pins being electrically connected to the first heating portion and the second heating portion, respectively.

[0005] In some embodiments, the first heating portion and the second heating portion are heating meshes respectively.

[0006] In some embodiments, a distance between adjacent first heat-generating portions and adjacent second heat-generating portions in a width direction of the connecting portion is between 0.3 mm and 0.5 mm.

[0007] In some embodiments, the spacing between the adjacent first heating portions and the second heating portions in the length direction of the connecting portion is between 0.8 mm and 1.0 mm.

[0008] In some embodiments, the resistance values of the first heating portion and the second heating portion are both between 0.5 Ω and 1.2 Ω.

[0009] In some embodiments, the heating element includes a plurality of the first heating portions or / and a plurality of the second heating portions.

[0010] In some embodiments, the resistance values of the adjacent first heating portion and the second heating portion increase or decrease in sequence in the length direction of the connecting portion.

[0011] In some embodiments, the connecting portion, the first heating portion, and the second heating portion are of an integral structure.

[0012] In some embodiments of the present application, an atomizing core is provided, which includes a liquid guiding member and the heating element described in any one of the above. An axially extending atomizing surface is provided on the liquid guiding member; the heating element is wound into a cylindrical structure and at least partially nested in the liquid guiding member. The adjacent first heating portions and the second heating portions are arranged adjacent to each other along the axis of the liquid guiding member and are respectively arc-shaped and attached to both sides of the atomizing surface.

[0013] In some embodiments of the present application, an electronic atomizing device is provided, which includes a housing, the atomizing core described above, and a control module. The atomizing core is received in the housing, and the control module is electrically connected to the first electrode pin and the second electrode pin of the heating element respectively to control the first heating portion and the second heating portion to heat separately, simultaneously, or alternately according to a preset heating mode.

[0014] The heating element provided by the present application includes a connecting portion, a first heating portion, a second heating portion, a first electrode pin, and at least two second electrode pins. The first electrode pin is electrically connected to the connecting portion, and the second electrode pins are electrically connected to the first heating portion and the second heating portion respectively, so that the two heating portions are connected in parallel to achieve independent heating. The first heating portion and the second heating portion are arranged adjacent to each other in the length direction of the connecting portion and extend along the first direction and the second direction respectively, and the first heating portion and the second heating portion do not completely overlap in the length direction of the connecting portion, so that a form of upper and lower adjacent and at least partially staggered arrangement is formed between the corresponding heating portions located downstream of the air flow and the corresponding heating portions located upstream of the air flow.

[0015] Compared with the single heating mesh structure design of the existing heating element, the heating element provided by the present application has a first heating portion and a second heating portion, which significantly increases the atomizing area of the heating element, improves the atomizing efficiency of the heating element, and prolongs the service life of the heating element.

[0016] During actual use, the corresponding heating part upstream of the airflow heats the atomizing matrix around it until it is atomized. When the formed atomized airflow continues to move to the downstream of the airflow, the adjacent first heating part and the second heating part are staggered, which effectively reduces the degree of temperature accumulation on the same side of the heating element, improves the heat distribution uniformity and temperature control effect of the heating element, and significantly reduces the risk of atomizer core sticking and carbon deposition due to excessive heat accumulation on the same side.

[0017] Moreover, the adjacent first and second heating parts of the heating element of the present application are arranged adjacent to each other and staggered. After being wound into a cylindrical structure and assembled with the liquid guide to form an atomizer core, the two adjacent heating parts are respectively attached to the two sides of the atomizing surface of the liquid guide in an arc shape, so that the heat of the heating element can be more evenly distributed to the liquid guide through the heating parts arranged on both sides, so that the utilization area of the atomizing matrix on the liquid guide becomes wider, the heat is more uniform, the uniformity of the heat distribution of the atomizer core is improved, and the risk of excessive accumulation of temperature on the same side of the atomizing surface of the liquid guide is reduced, thereby reducing the risk of carbon deposition and sticking to the core. The adjacent first and second heating parts of the heating element are arranged adjacent to each other and staggered, which also increases the air flow path, making the atomization of the atomizing matrix more uniform, helping to take away excess heat, improving the air flow path of the atomizer core, and can further reduce the risk of excessive accumulation of temperature on the same side of the atomizing surface of the liquid guide, and achieving better atomization effect.

[0018] In addition, after the atomizer core of the present application is assembled into the shell of the electronic atomizer device, the control module can control the first heating part and the second heating part to heat individually, simultaneously, or alternately according to a preset heating mode, further expanding the adjustable space of the heating element, improving the temperature control effect, and improving the atomization and smoking quality of the electronic atomizer device, which can bring a better smoking experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0020] Figure 1 This is a schematic diagram of the structure of one specific embodiment of the heating element of this application. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the structure of one specific embodiment of the heating element of this application. Figure 2 ;

[0022] Figure 3 This is a schematic diagram of the extension direction of the first heating part and the second heating part of one specific embodiment of the heating element of the present application. Figure 1 ;

[0023] Figure 4 Schematic diagram of the extending directions of the first heating part and the second heating part of one specific embodiment of the heating element in the present application Figure 2 ;

[0024] Figure 5 Schematic diagram of the structure of one specific embodiment of the heating element in the present application Figure 3 ;

[0025] Figure 6 Overall structure schematic diagram of one specific embodiment of the atomization core in the present application;

[0026] Figure 7 is Figure 6 Exploded view schematic diagram of the structure of the atomization core in

[0027] Figure 8 is Figure 6 Cross-sectional structure schematic diagram of the atomization core in

[0028] Figure 9 Cross-sectional structure schematic diagram of one specific embodiment of the electronic atomization device in the present application.

[0029] Reference numerals are as follows:

[0030] 1 - Heating element, 11 - Connection part, 12 - First heating part, 13 - Second heating part, 14 - First electrode pin, 15 - Second electrode pin;

[0031] 10 - Atomization core, 2 - Liquid guiding part, 21 - Atomization surface;

[0032] 100 - Electronic atomization device, 3 - Housing, 31 - Liquid storage chamber, 32 - Air flow channel, 4 - Control module, 5 - Power supply module, 6 - Core base. Specific embodiments

[0033] The technical solution of the present application will be further described in detail below in conjunction with the specific embodiments and the accompanying drawings. In the following embodiments, many detailed descriptions are provided to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by their components, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification to avoid overwhelming the core part of the present application with excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the descriptions in the specification and the general technical knowledge in the art.

[0034] In addition, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can also be reordered or adjusted in a manner obvious to those skilled in the art. Therefore, the various sequences in the specification and drawings are only for clearly describing a certain embodiment and do not mean that they are necessary sequences, unless it is stated otherwise that a certain sequence must be followed.

[0035] Please refer to Figure 1 and Figure 9 , in some embodiments of the present application, a heating element 1 is provided. The heating element 1 is used in the atomization core 10 of the electronic atomization device 100 to heat the atomization matrix on the atomization core 10 to atomize and generate atomized gas.

[0036] Please refer to Figure 1 , the heating element 1 includes a connecting portion 11, a first heating portion 12, a second heating portion 13, a first electrode pin 14, and at least two second electrode pins 15. The connecting portion 11 is preferably arranged in a regular rectangular strip structure. The first electrode pin 14 is electrically connected to the connecting portion 11 and extends along the length direction of the connecting portion 11.

[0037] The first heating portion 12 is electrically connected to the connecting portion 11, and the first heating portion 12 is formed by extending from the connecting portion along a first direction, and the first direction is perpendicular to the length direction of the connecting portion.

[0038] The second heating portion 13 and the first heating portion 12 are adjacent to each other in the length direction of the connecting portion, and the second heating portion 13 is formed by extending from the connecting portion along a second direction, and the second direction is perpendicular to the length direction of the connecting portion. Among them, the first direction and the second direction are different, and the first heating portion 12 and the second heating portion 13 do not completely overlap in the length direction of the connecting portion.

[0039] The second electrode pins are respectively electrically connected to the first heating portion 12 and the second heating portion 13, and each second electrode pin is parallel to the first electrode pin.

[0040] The heating element 1 provided in the present application includes a connecting portion 11, a first heating portion 12, a second heating portion 13, a first electrode pin 14, and at least two second electrode pins 15. The first electrode pin 14 is electrically connected to the connecting portion 11, and the second electrode pins 15 are respectively electrically connected to the first heating portion 12 and the second heating portion 13.

[0041] Both the first direction and the second direction are perpendicular to the length direction of the connecting portion 11, and the first direction is different from the second direction. The first heating portion 12 and the second heating portion 13 do not completely overlap in the length direction of the connecting portion 11, so that an up-and-down adjacent and staggered arrangement is formed between the corresponding heating portions located downstream of the air flow and the corresponding heating portions located upstream of the air flow. Compared with the single heating mesh structure design of the existing heating element, the heating element provided in the present application has the first heating portion 12 and the second heating portion 13, which effectively increases the atomization area of the heating element 1, improves the atomization efficiency of the heating element 1, and prolongs the service life of the heating element 1.

[0042] The first heating portion 12 and the second heat release portion of the heating element 1 in the present application do not completely overlap in the length direction of the connecting portion 11, which can ensure that at least partial regions of the first heating portion 12 and the second heating portion 13 form a staggered arrangement, so as to disperse the heat of the heating element 1 through the staggered heating portions, effectively reducing the degree of heat accumulation on the same side of the heating element, improving the thermal distribution uniformity and temperature control effect of the heating element, and significantly reducing the risk of atomization core caking and carbon deposition caused by excessive heat accumulation on the same side.

[0043] In some other embodiments, the first heating portion 12 and the second heating portion 13 of the heating element in the present application can also be set to be connected or spaced apart in the length direction of the connecting portion, that is, the distance between the first heating portion 12 and the second heating portion 13 in the length direction of the connecting portion is 0 or greater than 0. In this way, it can be ensured that the adjacent first heating portion 12 and the second heating portion 13 of the heating element 1 form an up-and-down spaced and staggered arrangement, which can disperse the heat of the heating element 1 to the greatest extent, further reducing the degree of heat accumulation on the same side of the heating element 1, and avoiding the problems of atomization core caking and carbon deposition caused by excessive heat accumulation on the same side.

[0044] Please refer to Figure 3 ., in some embodiments, for the heating element 1 provided in the present application, the included angle α between the first direction and the second direction on the vertical plane of the connecting portion 11 is preferably set to 180°, so that the first heating portion 12 and the second heating portion 13 extend in opposite directions from the connecting portion, which can avoid the first heating portion 12 and the second heating portion 13 approaching each other on the same side, and can reduce the degree of heat accumulation on the same side of the heating element 1 during use to the greatest extent. In addition, the design that the first direction and the second direction are completely opposite also makes the heating element 1 generally in a sheet-like structure, which is convenient for the production, manufacturing, storage and transportation of the heating element 1.

[0045] Please refer to Figure 4, in some embodiments, for the heating element 1 provided in the present application, the included angle α between the first direction and the second direction on the vertical plane of the connecting portion 11 can also be set to 90°, so that the first heating portion 12 and the second heating portion 13 extend from the connecting portion in mutually perpendicular directions, preventing the first heating portion 12 and the second heating portion 13 from approaching each other on the same side, and at the same time improving the layout flexibility of the first heating portion 12 and the second heating portion 13.

[0046] In some other embodiments, for the heating element 1 provided in the present application, the included angle α between the first direction and the second direction on the vertical plane of the connecting portion 11 can also be set between 90° and 180°. In this way, it is possible to prevent the first heating portion 12 and the second heating portion 13 from approaching each other on the same side, so as to prevent excessive heat accumulation on the same side of the heating element 1 during use.

[0047] For the heating element 1 provided in the present application, the number of the second electrode pins 15 is the same as the number of the first heating portion 12 and the second heating portion 13. The second electrode pins 15 are respectively electrically connected to the sides of the corresponding heating portions away from the connecting portion 11 and are arranged parallel to the first electrode pins 14, so as to realize parallel connection between all the heating portions on the heating element 1, facilitating independent operation of the first heating portion 12 and the second heating portion 13 of the heating element 1.

[0048] The first heating portion 12 described in the present application refers to the corresponding heating portion extending along the first direction from the connecting portion 11, and the second heating portion 13 described in the present application refers to the corresponding heating portion extending along the second direction from the connecting portion 11. At least one of the first heating portion 12 and the second heating portion 13 on the heating element 1 is provided. The specific number of settings can be designed according to actual use requirements, and the present application does not limit this, as long as the atomization use requirements are met.

[0049] In some other embodiments, the heating element 1 provided in the present application may also include a third heating portion (not shown in the figure) at the same time. The third heating portion is formed by extending from the connecting portion 11 along a third direction, and the third direction can also be set perpendicular to the length direction of the connecting portion, and the third direction is different from the first direction and the second direction.

[0050] In some embodiments, for the heating element 1 provided in the present application, the first heating portion 12 and the second heating portion 13 are respectively heating mesh sheets, and each heating mesh sheet is connected in a form of being vertically adjacent and stagger-arranged with the connecting portion 11 as the common side. A grid-like structure is provided on the heating mesh sheet. During use, the atomization matrix can be heated and atomized through the grid-like structures on each heating portion, ensuring the atomization effect of the heating element 1.

[0051] The grid-like structure on the heating mesh can be set to be evenly distributed, that is, the grid density on the heating mesh is consistent, so that the heat generation of each part of the first heating part 12 and the second heating part 13 of the heating element 1 is uniform.

[0052] The grid density on the heating mesh can also be set to gradually decrease from the downstream of the air flow to the upstream of the air flow, thereby reducing the temperature on the side of the heating part close to the atomized gas discharge end, and reducing the risk of carbon deposition.

[0053] The following takes an example in which the heating element 1 is provided with a first heating part 12 and a second heating part 13 for illustration. The connecting part 11 is vertically extended. The included angle between the first direction and the second direction on the vertical plane of the connecting part 11 is 180°. The first heating part 12 and the second heating part 13 are respectively heating meshes with a uniform grid-like structure, and are arranged at intervals in the length direction of the connecting part 11.

[0054] Please refer to Figure 2 , in some embodiments, the first heating part 12 is connected above the connecting part 11 and extends along the first direction to the left side of the width direction of the connecting part. The second heating part 13 is connected below the connecting part 11 and extends along the second direction to the right side of the width direction of the connecting part. The first heating part 12 and the second heating part 13 are arranged at intervals in the length direction of the connecting part 11. A second electrode pin 15 is electrically connected to the left side of the first heating part 12 far from the connecting part 11, and another second electrode pin 15 is electrically connected to the right side of the second heating part 13 far from the connecting part 11.

[0055] The first heating part 12 and the second heating part 13 are preferably both set as rectangular heating meshes, so that the first heating part 12 and the second heating part 13 spaced up and down are parallel to each other and offset left and right, which can ensure that there is no interference between the first heating part 12 and the second heating part 13 after the heating element 1 is wound into a cylindrical structure, and can prevent short circuit due to interference contact between the heating meshes.

[0056] In addition, please refer to Figure 7 , after the heating element 1 is wound into a cylindrical structure with the connecting part 11 as the axis, the left and right sides of the first heating part 12 and the second heating part 13 approach each other but do not contact in the length direction of the connecting part 11. At the same time, the two second electrode pins 15 do not contact each other, and the two second electrode pins 15 do not contact the first electrode pin 14 either, so as to prevent short circuit due to direct contact between the pins of the heating element 1.

[0057] The heating element 1 provided in this application uses the uniform grid-like structure on the first heating part 12 and the second heating part 13 to realize uniform heating and atomization of the atomization matrix, ensure the uniformity of the generated atomized gas, and have a better atomization effect.

[0058] In a specific embodiment, the first heating part 12 and the second heating part 13 are preferably arranged as rectangular heating mesh sheets with the same size. The extension lengths of the first heating part 12 and the second heating part 13 in the width direction of the connecting part 11 are preferably both set to 5 mm, and the extension lengths of the first heating part 12 and the second heating part 13 in the length direction of the connecting part 11 are also preferably both set to 5 mm, so that the first heating part 12 and the second heating part 13 have the same heating area and the heating is more uniform.

[0059] In some other embodiments, the first heating part 12 and the second heating part 13 can also be arranged as heating mesh sheets with different shapes or / and sizes. The specific shapes and sizes of the first heating part 12 and the second heating part 13 can be adjusted accordingly according to the use scenario and actual use requirements. The present application does not limit this, as long as the actual use requirements are met.

[0060] In some embodiments, the distance between the adjacent first heating part 12 and the second heating part 13 in the width direction of the connecting part 11 is between 0.3 and 0.5 mm. The connecting part 11 is preferably arranged as a regular rectangular strip structure, and its width determines the distance between the adjacent first heating part 12 and the second heating part 13 in the width direction of the connecting part 11.

[0061] By limiting the distance between the adjacent first heating part 12 and the second heating part 13 in the width direction of the connecting part 11, the present application's heating element 1 enables the connecting part 11 to connect the first heating part 12 and the second heating part 13 with an appropriate width, ensuring the connection reliability between each heating part and the connecting part 11, while reserving sufficient heating area for the grid-like structure of each heating part and ensuring the heating effect.

[0062] In some embodiments, the distance between the adjacent first heating part 12 and the second heating part 13 in the length direction of the connecting part 11 is between 0.8 mm and 1.0 mm. The connecting part 11 is preferably arranged as a regular rectangular strip structure, and its length between the adjacent first heating part 12 and the second heating part 13 determines the distance between the adjacent first heating part 12 and the second heating part 13 in the length direction of the connecting part 11.

[0063] By limiting the distance between the adjacent first heating part 12 and the second heating part 13 in the length direction of the connecting part 11, the present application's heating element 1 enables the adjacent first heating part 12 and the second heating part 13 to be arranged at an appropriate distance and spaced apart vertically, so as to fully heat the atomization matrix through the first heating part 12 and the second heating part 13 and prevent excessive heat concentration between the first heating part 12 and the second heating part 13.

[0064] In some embodiments, the distance between adjacent first heating portions 12 and second heating portions 13 in the width direction of the connecting portion 11 is between 0.3 mm and 0.5 mm. At the same time, the distance between adjacent first heating portions 12 and second heating portions 13 in the length direction of the connecting portion 11 is between 0.8 mm and 1.0 mm. In this way, by limiting the distances between adjacent first heating portions 12 and second heating portions 13 on the heating element 1 in the width and length directions of the connecting portion 11, on the one hand, the connection reliability between each heating portion and the connecting portion 11 is ensured, and the heating area of the grid-like structure of each heating portion is ensured. On the other hand, it also enables the adjacent and staggeredly arranged heating portions up and down to be arranged at appropriate horizontal and vertical distances, ensuring that when the first electrode pins 14 are shared between the heating portions, effective cotton wrapping can be carried out without causing the mesh to deform due to excessive elasticity, and at the same time enabling each heating portion to fully heat and atomize the matrix, and avoiding excessive heat concentration on the same side of the heating element 1, further improving the atomization effect.

[0065] In some embodiments, for the heating element 1 provided in the present application, the resistance values of both the first heating portion 12 and the second heating portion 13 are between 0.5 Ω and 1.2 Ω. The resistance values of the first heating portion 12 and the second heating portion 13 can be set to be the same, so as to improve the overall heating uniformity of the heating element 1. In addition, by setting the first heating portion 12 and the second heating portion 13 as heating mesh sheets with exactly the same shape and size, the resistance values of the heating portions of the heating element 1 can be unified, which can reduce the manufacturing difficulty and manufacturing cost of the heating element 1. The resistance values of the first heating portion 12 and the second heating portion 13 can also be set to be different, so as to adaptively adjust the resistance values of the corresponding heating portions according to the flow direction of the atomizing air flow, and avoid the atomizing gas from being overheated and causing carbon deposition.

[0066] In some embodiments, multiple first heating portions 12 or multiple second heating portions 13 can also be provided on the heating element 1 provided in the present application. The first heating portion 12 extends from the connecting portion 11 along a first direction, and the second heating portion 13 extends from the connecting portion 11 along a second direction. Here, the term "multiple" refers to two or more.

[0067] The more the number of heating portions on the heating element 1, the larger the overall effective heating area, the higher the heating efficiency, and the longer the service life.

[0068] Please refer to Figure 5, in a specific embodiment, taking the example that two first heating parts 12 and one second heating part 13 are connected to the connecting part 11 of the heating element 1 provided in the present application, the two first heating parts 12 and the one second heating part 13 are preferably both arranged as rectangular structure heating mesh sheets with the same size. Among them, the two first heating parts 12 are both formed by extending from the connecting part 11 along the first direction to the left side in the width direction of the connecting part 11, and the two first heating parts 12 are respectively located at the upper and lower parts of the connecting part 11. One second heating part 13 is formed by extending from the connecting part 11 along the second direction to the right side in the width direction of the connecting part 11, and the second heating part 13 is located in the middle of the connecting part 11. In this way, an up-and-down adjacent and staggered arrangement form is formed between any adjacent first heating part 12 and second heating part 13, so that there is enough gap between the two first heating parts 12 corresponding to the same side up and down, which can effectively reduce the degree of heat accumulation of the heating element 1 on the same side. While ensuring the effective heating area and atomization efficiency of the heating element 1, the problems of carbon deposition and wicking of the atomization core caused by excessive heat accumulation on the same side are avoided.

[0069] Please refer to Figure 5 , in a specific embodiment, for the heating element 1 having multiple first heating parts 12 or / and second heating parts 13, the distance between adjacent first heating parts 12 and second heating parts 13 in the length direction of the connecting part 11 can be set to be equal. As shown in the figure, the distance between the corresponding first heating part 12 and the second heating part 13 above the connecting part 11 is L1, and the distance between the corresponding first heating part 12 and the second heating part 13 below the connecting part 11 is L2, L1 = L2, and L1 and L2 are preferably any specific value between 0.8 mm and 1.0 mm.

[0070] For the heating element 1 having multiple first heating parts 12 or / and multiple second heating parts 13, the distance between any adjacent first heating part 12 and second heating part 13 in the length direction of the connecting part 11 can be set to be the same. In this way, the heating parts of the heating element 1 can be arranged in a staggered manner with equal intervals up and down, significantly improving the consistency of the overall structure of the heating element 1 and ensuring the overall heating uniformity of the heating element 1.

[0071] For the heating element 1 having multiple first heating parts 12 or / and multiple second heating parts 13, the distance between adjacent first heating parts 12 and second heating parts 13 in the length direction of the connecting part 11 can also be set to increase or decrease sequentially along the length direction of the connecting part 11.

[0072] Taking the heating element 1 with two first heating parts 12 and one second heating part 13 provided simultaneously as an example, the distance between the corresponding first heating part 12 and the second heating part 13 above the connecting part 11 can be set to be equal to 1.0 mm, and the distance between the corresponding first heating part 12 and the second heating part 13 below the connecting part 11 can be set to be equal to 0.8 mm. In this way, the distance between adjacent first heating parts 12 and second heating parts 13 decreases successively from top to bottom in the length direction of the connecting part 11, or it can also be expressed that the distance between adjacent first heating parts 12 and second heating parts 13 increases successively from bottom to top in the length direction of the connecting part 11. This increasing or decreasing trend can be a linear change trend or a non-linear change trend, which can be set accordingly according to the actual use requirements of the heating element 1.

[0073] The smaller the distance between adjacent first heating parts 12 and second heating parts 13 in the axial direction of the connecting part 11, the greater the heating density of the heating element 1 in this part, which is beneficial to the rapid atomization of the atomization matrix; the greater the distance between adjacent first heating parts 12 and second heating parts 13 in the length direction of the connecting part 11, the relatively smaller the heating density of the heating element 1 in this part, which can reduce the degree of reheating of the atomization gas in this part by the heating element 1 and avoid excessive accumulation of heat on the same side of the heating element 1.

[0074] During actual manufacturing, the distance between each heating part in the length direction of the connecting part 11 can be adjusted adaptively according to the flow direction of the atomization airflow, so that the distance between adjacent first heating parts 12 and second heating parts 13 upstream of the atomization airflow is relatively smaller, and the distance between adjacent first heating parts 12 and second heating parts 13 downstream of the atomization airflow is relatively larger, ensuring that the atomization matrix upstream of the airflow can be heated and atomized faster to form an atomization airflow, and ensuring that the atomization airflow will not be overheated by the corresponding heating parts arranged on the same side during the downstream flow process, and avoiding excessive accumulation of heat on the same side of the heating element 1.

[0075] The heating element 1 provided in this application can optimize and improve the heat distribution form of the heating element 1 by adjusting the change trend of the distance between adjacent first heating parts 12 and second heating parts 13 in the length direction of the connecting part 11, so as to improve the heating and atomization effect of the heating element 1 on the atomization matrix.

[0076] Please refer to Figure 5 , in some embodiments, for the heating element 1 with multiple first heating parts 12 or / and multiple second heating parts 13, the resistance values of adjacent first heating parts 12 and second heating parts 13 can also be set to increase or decrease successively in the length direction of the connecting part 11.

[0077] Taking the example of two first heating parts 12 and one second heating part 13 being simultaneously provided on the heating element 1, the resistance value of the corresponding first heating part 12 located above the connecting part 11 can be set to be equal to 0.5 Ω, the resistance value of the second heating part 13 located in the middle of the connecting part 11 can be set to be equal to 0.8 Ω, and the resistance value of the corresponding first heating part 12 located below the connecting part 11 can be set to be equal to 1.2 ohms. In this way, the resistance values of adjacent first heating parts 12 and second heating parts 13 increase sequentially from top to bottom in the length direction of the connecting part 11, or it can also be stated that the resistance values of adjacent first heating parts 12 and second heating parts 13 decrease sequentially from bottom to top in the length direction of the connecting part 11. This increasing or decreasing trend can be a linear change trend or a non-linear change trend, which can be set accordingly according to the actual use requirements of the heating element 1.

[0078] The larger the resistance value of the heating part, the greater the heating power under the same conditions, and the higher the heating and atomizing efficiency of the atomizing matrix; the smaller the resistance value of the heating part, the smaller the heating power under the same conditions, and the lower the heating and atomizing efficiency of the atomizing matrix. During actual manufacturing, the specific resistance values of each heating part can be adjusted adaptively according to the flowing direction of the atomizing air flow, so that the resistance value of the corresponding heating part located upstream of the atomizing air flow is relatively larger, and the resistance value of the corresponding heating part located downstream of the atomizing air flow is relatively smaller, ensuring that the atomizing matrix upstream of the air flow can be heated and atomized faster to form an atomizing air flow, and ensuring that during the downstream flow of the atomizing air flow, it will not be overheated by the corresponding heating part arranged on the same side, avoiding excessive heat accumulation on the same side of the heating element 1.

[0079] The heating element 1 provided by the present application can achieve different power outputs at different heating positions of the heating element 1 by adjusting the specific resistance values of adjacent first heating parts 12 and second heating parts 13, increasing the heat distribution form of the heating element 1, and being able to adapt to the actual atomizing requirements of different types of atomizing cores 10 and atomizing devices 100, with higher adaptability.

[0080] In some embodiments, for the heating element 1 provided by the present application, the first heating part 12, the second heating part 13 and the connecting part 11 are of an integral structure, ensuring the overall structural strength of the heating element 1, preventing problems such as breakage and disconnection of the heating mesh after winding, and improving the use reliability of the heating element 1. In addition, the integral-structured heating part and the connecting part 11 can also be directly cut and formed by laser cutting, which is convenient for production and manufacturing.

[0081] The first electrode pin 14 can be fixedly connected to the connecting part 11 by means of welding, and the second electrode pin 15 can also be fixedly connected to the side of the corresponding heating part away from the connecting part 11 by means of welding.

[0082] In some embodiments, the heating element 1 provided in the present application, the first heating portion 12, the second heating portion 13, and the connecting portion 11 can be manufactured by cutting a high-temperature nickel-chromium alloy thin sheet or an iron-chromium-aluminum alloy thin sheet, so that the heating element 1 has good thermal conductivity and corrosion resistance.

[0083] Please refer to Figures 6 to 7 , in some embodiments of the present application, an atomization core 10 is provided. The atomization core 10 includes a liquid guiding member 2 and the heating element 1 described in any one of the foregoing items. An atomization surface 21 is axially provided on the liquid guiding member 2.

[0084] The heating element 1 is wound into a cylindrical structure and at least partially nested in the liquid guiding member 2. The adjacent first heating portion 12 and the second heating portion 13 are arranged at intervals up and down along the axis of the liquid guiding member 2 and are respectively arc-shaped and attached to both sides of the atomization surface 21.

[0085] The liquid guiding member 2 is preferably arranged in a cylindrical structure, and an atomization channel (not labeled) for air flow to flow from the lower end to the upper end is axially penetrated thereon. The atomization channel forms the atomization surface 21 on the cylindrical inner wall surface of the liquid guiding member 2. The heating element 1 is described by taking one first heating portion 12 and one second heating portion 13 as an example. When winding the heating element 1, with the connecting portion 11 as the axis, the first heating portion 12 and the second heating portion 13 which are adjacent up and down and arranged in a staggered manner are bent towards each other and wound into an arc shape and nested in the atomization channel, so that the first heating portion 12 and the second heating portion 13 wound into an arc shape are arranged adjacent to each other up and down along the axis of the atomization channel and are respectively arc-shaped and attached to both sides of the atomization surface 21. The tails of the first electrode pin 14 and the second electrode pin 15 extend downward out of the atomization channel, facilitating connection to the power supply module 5 (such as Figure 9 shown), to supply power to the heating element 1 and realize the independent operation of the first heating portion 12 and the second heating portion 13.

[0086] Please refer to Figure 8, since the adjacent first heating part 12 and second heating part 13 of the heating element 1 are arranged adjacent to each other vertically and staggeredly, after being wound and nested on the liquid guiding element 2, in fact, only the right half of the atomization surface 21 at the lower part of the atomization channel contacts the second heating part 13, and only the left half of the atomization surface 21 at the upper part of the atomization channel contacts the first heating part 12. In actual use, after the second heating part 13 heats the atomization matrix around the atomization surface 21 on the right side of the lower part of the atomization channel to atomization, when this part of the atomized gas moves upward to the upper part of the atomization channel, only a very small part of this part of the atomized gas will be reheated by the first heating part 12 arranged on the left side; in the case of a relatively fast air flow rate, this part of the atomized gas will hardly be reheated by the first heating part 12 arranged on the left side; if the first heating part 12 is set to not work and not heat at this time, this part of the atomized gas will not be reheated. In this way, the degree of temperature accumulation on the same side of the heating element 1 is greatly reduced, the thermal distribution uniformity and temperature control effect of the heating element 1 are improved, and the problems of core coking and carbon deposition are solved.

[0087] Since the first heating part 12 and the second heating part 13 of the heating element 1 do not completely overlap in the length direction of the connecting part 11, and the first heating part 12 and the second heating part 13 are relatively bent into an arc shape and approach each other axially, therefore, the sum of the lengths of the respective heating parts extending in the width direction of the connecting part 11 and the width of the connecting part 11 itself should preferably be less than or close to half of the perimeter of the cross-section of the atomization channel, so as to avoid the two side edges of the first heating part 12 and the second heating part 13 after winding, or the second electrode pins 15 connected to the two heating parts from contacting each other, and avoid short-circuiting due to interference contact between the respective heating parts of the heating element 1.

[0088] In some other embodiments, in order to increase the overall heating area of the heating element 1 and improve the atomization efficiency, multiple first heating parts 12 or / and multiple second heating parts 13 can also be provided on the heating element 1 at the same time.

[0089] In the present application, each heating part of the heating element 1 adopts a form of being adjacent up and down and arranged in a staggered manner. After being wound into a cylindrical structure and assembled with the liquid guiding element 2 to form the atomization core 10, the adjacent first heating part 12 and second heating part 13 are respectively arc-shaped and attached to both sides of the atomization surface 21 of the liquid guiding element 2, so that the heat of the heating element 1 can be more evenly distributed to the liquid guiding element 2 through the heating parts arranged on both sides, making the utilization area of the atomization matrix on the liquid guiding element 2 wider, the heating more uniform, improving the uniformity of the heat distribution of the atomization core 10, and reducing the risk of excessive heat accumulation on the same side of the atomization surface 21 of the liquid guiding element 2, thereby reducing the risks of carbon deposition and wicking. The form of adjacent up and down and staggered arrangement between the heating parts of the heating element 1 also increases the air flow path, making the atomization of the atomization matrix more uniform, helping to take away the excess heat, improving the air flow path of the atomization core 10, and being able to further reduce the risk of excessive heat accumulation on the same side of the atomization surface 21 of the liquid guiding element 2, with a better atomization effect.

[0090] Please refer to Figure 8 and Figure 9 In some embodiments of the present application, an electronic atomization device 100 is provided. The electronic atomization device 100 includes a housing 3, the atomization core 10 as described above, a power supply module 5, and a control module 4. The atomization core 10 is received in the housing 3. The control module 4 is electrically connected to the power supply module 5 and the heating element 1 respectively to control each heating part to heat separately, simultaneously, or alternately according to a preset heating mode.

[0091] A liquid storage chamber 31 for storing the atomization matrix and an air flow channel 32 for discharging the atomized gas are provided in the housing 3. Among them, the atomization core 10 is hermetically fixed in the housing 3 through a core seat 6 and seals the liquid storage chamber 31, and at least part of the liquid guiding element 2 of the atomization core 10 is connected to the liquid storage chamber 31 and at least part is connected to the air flow channel 32.

[0092] The atomization core 10 includes the liquid guiding element 2 and the heating element 1 of any one of the above in the present application. The atomization channel of the liquid guiding element 2 is communicated with the air flow channel 32. The heating element 1 is wound into a cylindrical structure and at least part of it is nested in the atomization channel of the liquid guiding element 2. The adjacent first heating part 12 and second heating part 13 are arranged at intervals up and down along the axis of the liquid guiding element 2 and are respectively arc-shaped and attached to both sides of the atomization surface 21 of the liquid guiding element 2. The first electrode pin and the second electrode pin of the heating element 1 respectively extend downward out of the atomization core 10 and are electrically connected to the control module 4 and the power supply module 5 provided in the housing 3.

[0093] During use, the liquid guiding member 2 guides the atomization matrix in the liquid storage chamber 31 into the atomization core 10 and finally transmits it to the atomization surface 21. The control module 4 controls the operation of each heating part of the heating member 1 according to a preset heating mode to heat and atomize the atomization matrix around the atomization surface 21 contacted by the heating part to obtain atomized gas, and the atomized gas is finally discharged through the air flow channel 32 for the user to inhale.

[0094] Since the adjacent first heating part 12 and the second heating part 13 on the heating member 1 are arranged at intervals up and down along the axial direction of the liquid guiding member 2 and are respectively arc-shaped and attached to both sides of the atomization surface 21, during use, after the corresponding heating part in the upstream of the air flow heats the atomization matrix around it to atomize, when the formed atomized air flow continues to move to the downstream of the air flow, due to the staggered arrangement form between the heating parts, this part of the atomized air flow is prevented from being reheated on the same side, greatly reducing the degree of temperature accumulation on the same side of the heating member 1, improving the uniformity of the heat distribution and the temperature control effect of the heating member 1, and solving the problems of core clogging and carbon deposition.

[0095] In addition, for the electronic atomization device 100 provided in the present application, the control module 4 can control the first heating part 12 and the second heating part 13 of the heating member 1 to heat separately, simultaneously or alternately according to a preset heating mode, further expanding the adjustable space of the heating member 1, improving the temperature control effect, being able to adapt to different atomization use requirements of different products, and being able to significantly improve the quality of the atomized substance, thus bringing a better inhalation experience.

[0096] The preset heating mode can be set accordingly according to the actual working requirements of the product. For example, one of the heating modes can be set as follows: each heating part heats alternately according to the set heating time; this can prevent the heating part from working for a long time and causing excessive temperature accumulation, thereby causing problems such as carbon deposition and core clogging.

[0097] One of the heating modes can be set as follows: each heating part heats simultaneously, but the heating power of the corresponding heating part is gradually reduced in the flowing direction of the atomized air flow, which can prevent the atomized gas in the upstream of the air flow from being reheated by the corresponding heating part in the downstream of the air flow, prevent excessive heat accumulation on the same side of the heating member, and avoid the problems of core clogging and carbon deposition of the atomization core.

[0098] One of the heating modes can be set as follows: the heating part works independently within the set cumulative operation duration range, stops working after reaching the set cumulative operation duration, and then starts the next heating part to work independently within the set cumulative operation duration range; after all heating parts have completed one round of work, it can be set to start a new round of work or be set to be scrapped.

[0099] The above preset heating modes are only some specific embodiments of the present application and do not limit the present application. In some other embodiments, the preset heating modes can be set accordingly according to the actual usage requirements of the electronic atomization device.

[0100] The above uses specific examples to elaborate on the technical solution of the present application, which is only used to help understand the content of the present application and does not limit the present application. For those skilled in the technical field to which the present application belongs, based on the idea of the present application, several simple deductions, deformations or substitutions can also be made.

Claims

1. A heating element, characterized in that, Comprising: A connecting part, the connecting part being electrically connected to the first electrode pin; A first heating part, the first heating part being electrically connected to the connecting part, the first heating part being formed by extending from the connecting part along a first direction, the first direction being perpendicular to the length direction of the connecting part; A second heating part, the second heating part and the first heating part being arranged adjacent to each other in the length direction of the connecting part, the second heating part being formed by extending from the connecting part along a second direction, the second direction being perpendicular to the length direction of the connecting part; Wherein, the first direction and the second direction are different, and the first heating part and the second heating part do not completely overlap in the length direction of the connecting part; At least two second electrode pins, the second electrode pins being electrically connected to the first heating part and the second heating part respectively.

2. The heating element according to claim 1, characterized in that, The first heating part and the second heating part are respectively heating mesh sheets.

3. The heating element according to claim 1, wherein, The distance between the adjacent first heating part and the second heating part in the width direction of the connecting part is between 0.3 and 0.5 mm.

4. The heating element according to claim 1, characterized in that, The distance between the adjacent first heating part and the second heating part in the length direction of the connecting part is between 0.8 mm and 1.0 mm.

5. The heating element according to claim 1, wherein The resistance values of the first heating part and the second heating part are both between 0.5 Ω and 1.2 Ω.

6. The heating element according to any one of claims 1-5, characterized in that, Comprising a plurality of the first heating parts or / and a plurality of the second heating parts.

7. The heating element according to claim 6, wherein, The resistance values of the adjacent first heating part and the second heating part increase or decrease sequentially in the length direction of the connecting part.

8. The heating element according to claim 1, wherein, The connecting part and the first heating part and the second heating part are of an integral structure.

9. An atomizing core, characterized in that, Comprising a liquid guiding member and the heating member according to any one of claims 1-8, the liquid guiding member being provided with an axially extending atomizing surface; The heating member is wound into a cylindrical structure and at least partially nested in the liquid guiding member, and the adjacent first heating part and the second heating part are arranged adjacent to each other along the axis of the liquid guiding member and are respectively arc-shaped and attached to both sides of the atomizing surface.

10. An electronic atomization device, characterized in that, Comprising a housing, the atomizing core according to claim 9, and a control module, the atomizing core being received in the housing, and the control module being electrically connected to the first electrode pin and the second electrode pin of the heating member respectively to control the first heating part and the second heating part to heat separately or simultaneously or alternately according to a preset heating mode.

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