A heating assembly, an atomizer applying the same, and an aerosol-generating device

Abstract

The application discloses a heating assembly, an atomizer applying the same and an aerosol generating device. The heating assembly comprises a first electrode area, a second electrode area and a heating wire structure. The heating wire structure comprises a first arc section, a first straight section, a second arc section, a second straight section, a third arc section, a third straight section and a fourth arc section connected in sequence. The first arc section is connected with the first electrode area, and the fourth arc section is connected with the second electrode area. The first arc section and the third arc section are arranged concentrically close to the first electrode area. The second arc section and the fourth arc section are arranged concentrically close to the second electrode area. The application can effectively weaken the thermal stress caused by cold and hot impact when the assembly works. The concentric arrangement can make the spacing between each section of the heating film consistent, make the heating of the heating wire structure more uniform, avoid local film breakage and warping caused by uneven heating, and improve the service life of the ceramic and the taste.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of aerosol generating devices, and relates to a heating assembly, an atomizer applying the same, and an aerosol generating device. BACKGROUND

[0002] In recent years, due to the continuous attention of consumers to the concept of health, the development of electronic atomization equipment is becoming more and more rapid. The electronic atomization equipment is an electronic device that atomizes an aerosol substrate into an aerosol by a heating wire for a user to use. Because the electronic atomization equipment does not contain harmful substances, it has been loved by people since its inception.

[0003] At present, the aerosol generating devices on the market have a structure of heating by a porous ceramic heating film. The existing porous ceramic heating film has a complex shape, and it is difficult to manufacture. The line width is not uniform, which leads to uneven heating. Uneven heating of the heating film can cause local film breakage and warping of the heating film, thereby affecting the service life of the ceramic porous ceramic heating film and the smoking taste of the user. SUMMARY

[0004] Therefore, the present application provides a heating assembly, an atomizer applying the same, and an aerosol generating device, which solves the technical problem that the complex shape of the traditional porous ceramic heating film causes high manufacturing difficulty, thereby affecting the service life of the ceramic porous ceramic heating film and the smoking taste of the user.

[0005] In order to solve the above problems, according to one aspect of the present application, the embodiments of the present application provide a heating assembly, which comprises a first electrode area, a second electrode area, and a heating wire structure for connecting the first electrode area and the second electrode area; the heating wire structure comprises a first arc-shaped section, a first straight section, a second arc-shaped section, a second straight section, a third arc-shaped section, a third straight section, and a fourth arc-shaped section connected in sequence, wherein the first arc-shaped section is connected with the first electrode area, the fourth arc-shaped section is connected with the second electrode area, the first arc-shaped section and the third arc-shaped section are close to the first electrode area and are concentrically arranged, and the second arc-shaped section and the fourth arc-shaped section are close to the second electrode area and are concentrically arranged.

[0006] In some embodiments, the first arc-shaped section comprises a first arc-shaped segment and a second arc-shaped segment, and the first arc-shaped segment is arranged inside the second arc-shaped segment.

[0007] In some embodiments, the second arc-shaped section comprises a third arc-shaped segment and a fourth arc-shaped segment, and the third arc-shaped segment is arranged inside the fourth arc-shaped segment.

[0008] In some embodiments, the third arc-shaped section comprises a fifth arc-shaped segment and a sixth arc-shaped segment, and the fifth arc-shaped segment is arranged inside the sixth arc-shaped segment.

[0009] In some embodiments, the fourth arc-shaped section includes a seventh arc-shaped segment and an eighth arc-shaped segment, and the seventh arc-shaped segment is arranged inside the eighth arc-shaped segment.

[0010] In some embodiments, the first arc-shaped segment and the seventh arc-shaped segment have the same radius of curvature, and the second arc-shaped segment and the eighth arc-shaped segment have the same radius of curvature.

[0011] In some embodiments, the third arc-shaped segment and the fifth arc-shaped segment have the same radius of curvature, and the fourth arc-shaped segment and the sixth arc-shaped segment have the same radius of curvature.

[0012] In some embodiments, the first straight line section includes a first straight line segment and a second straight line segment arranged in parallel; the second straight line section includes a third straight line segment and a fourth straight line segment arranged in parallel; and the third straight line section includes a fifth straight line segment and a sixth straight line segment arranged in parallel.

[0013] According to another aspect of the present application, embodiments of the present application provide an atomizer, which includes a porous substrate capable of adsorbing atomized liquid and the heating assembly described above, the heating assembly being arranged on a side of the porous substrate, and the heating assembly forming a resistance heating track after being powered.

[0014] According to another aspect of the present application, embodiments of the present application provide an aerosol generating device, which includes a liquid storage cavity, an atomization cavity, and the atomizer described above, the liquid storage cavity being in communication with the atomization cavity, and the atomizer being arranged in the atomization cavity.

[0015] Compared with the prior art, the heating assembly of the present application has at least the following beneficial effects:

[0016] The heating assembly provided by the present application includes a first electrode region, a second electrode region, and a heating wire structure for connecting the first electrode region and the second electrode region; the heating wire structure includes a first arc-shaped section, a first straight line section, a second arc-shaped section, a second straight line section, a third arc-shaped section, a third straight line section, and a fourth arc-shaped section connected in sequence, wherein the first arc-shaped section is connected with the first electrode region, the fourth arc-shaped section is connected with the second electrode region, the first arc-shaped section and the third arc-shaped segment are arranged concentrically close to the first electrode region, and the second arc-shaped section and the fourth arc-shaped segment are arranged concentrically close to the second electrode region.

[0017] Firstly, in the heating assembly provided by the application, the first arc-shaped section is connected with the first electrode area, and the fourth arc-shaped section is connected with the second electrode area, which can effectively weaken the thermal stress caused by cold and hot impact during the operation of the assembly, thereby prolonging the service life; secondly, the first arc-shaped section and the third arc-shaped section are arranged concentrically near the first electrode area, and the second arc-shaped section and the fourth arc-shaped section are arranged concentrically near the second electrode area, which can make the spacing between the sections of the heating film consistent, thereby making the heating of the heating film (i.e. the heating wire structure) more uniform, avoiding the problems of local film breakage and warping caused by uneven heating of the heating film during operation, and prolonging the service life and taste of the ceramic.

[0018] On the other hand, the atomizer provided by the application is designed based on the above-mentioned heating assembly, and the beneficial effects thereof are described above. Here, they will not be described again.

[0019] On the other hand, the aerosol generating device provided by the application is designed based on the above-mentioned atomizer, and the beneficial effects thereof are described above. Here, they will not be described again.

[0020] The above description is only a summary of the technical solutions of the application. In order to more clearly understand the technical means of the application and to implement the content of the description, the following will describe the preferred embodiments of the application in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0022] Fig. 1 is a front view of a heating assembly provided by an embodiment of the application;

[0023] Fig. 2 is a detailed front view of a heating assembly provided by an embodiment of the application;

[0024] Fig. 3 is a structural schematic view of an aerosol generating device provided by an embodiment of the application.

[0025] Among them:

[0026] 1, first electrode region; 2, second electrode region; 3, heating wire structure; 4, porous base; 5, atomization surface; 11, first vertical edge; 21, second vertical edge; 31, first arc-shaped section; 32, first straight section; 33, second arc-shaped section; 34, second straight section; 35, third arc-shaped section; 36, third straight section; 37, fourth arc-shaped section; 311, first arc-shaped segment; 312, second arc-shaped segment; 321, first straight segment; 322, second straight segment; 331, third arc-shaped segment; 332, fourth arc-shaped segment; 341, third straight segment; 342, fourth straight segment; 351, fifth arc-shaped segment; 352, sixth arc-shaped segment; 361, fifth straight segment; 362, sixth straight segment; 371, seventh arc-shaped segment; 372, eighth arc-shaped segment. DETAILED DESCRIPTION

[0027] To further illustrate the technical means and effects taken by the present application to achieve the intended purpose, the following describes the specific embodiments, structures, features and effects according to the present application in detail in combination with the drawings and preferred embodiments. In the following description, different "an embodiment" or "embodiments" do not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0028] In the description of the present application, it should be noted that the terms "first", "second", and the like in the description of the present application and claims and the above drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence; the terms "vertical", "horizontal", "longitudinal", "front", "back", "left", "right", "up", "down", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not mean that the devices or elements referred to must have a particular orientation or position, and therefore cannot be understood as a limitation on the present application.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Example 1

[0031] The present embodiment provides a heating assembly, such as Figs. 1-3As shown, the heating assembly includes a first electrode area 1, a second electrode area 2, and a heating wire structure 3 for connecting the first electrode area 1 and the second electrode area 2; the heating wire structure 3 includes a first arc-shaped section 31, a first straight section 32, a second arc-shaped section 33, a second straight section 34, a third arc-shaped section 35, a third straight section 36, and a fourth arc-shaped section 37 connected in sequence, wherein the first arc-shaped section 31 is connected with the first electrode area 1, the fourth arc-shaped section 37 is connected with the second electrode area 2, the first arc-shaped section 31 and the third arc-shaped section 35 are close to the first electrode area 1 and are concentrically arranged, and the second arc-shaped section 33 and the fourth arc-shaped section 37 are close to the second electrode area 2 and are concentrically arranged.

[0032] Specifically, in the embodiment, the first electrode area 1 and the second electrode area 2 are connected by the heating wire structure 3, that is, the heating film, and the heating wire structure 3 includes the first arc-shaped section 31, the first straight section 32, the second arc-shaped section 33, the second straight section 34, the third arc-shaped section 35, the third straight section 36, and the fourth arc-shaped section 37 connected in sequence. Since the heating wire structure 3 has arc-shaped sections, a heating film with an S-shaped structure is formed between the first electrode area 1 and the second electrode area 2.

[0033] First, in the heating assembly provided in the embodiment, the first arc-shaped section 31 is connected with the first electrode area 1, and the fourth arc-shaped section 37 is connected with the second electrode area 2, which can effectively weaken the thermal stress caused by cold and hot impact during the operation of the assembly and improve the service life. Second, the first arc-shaped section 31 and the third arc-shaped section 35 are close to the first electrode area 1 and are concentrically arranged, and the second arc-shaped section 33 and the fourth arc-shaped section 37 are close to the second electrode area 2 and are concentrically arranged. This arrangement can make the spacing between the sections of the heating film consistent, so that the heating of the heating film (i.e., the heating wire structure 3) is more uniform, avoiding problems such as local film breakage and warping caused by uneven heating during operation of the heating film, and improving the service life and taste of the ceramic.

[0034] More specifically, the concentric arrangement is that taking the same point as the center and obtaining arcs with different diameters, which is the concentric arrangement.

[0035] In addition, the first arc-shaped section 31 and the third arc-shaped section 35 are arranged close to the first electrode area 1, and the second arc-shaped section 33 and the fourth arc-shaped section 37 are arranged close to the second electrode area 2. Specifically, the heating wire structure 3 is divided into two parts along the vertical center of the heating wire structure 3, the first part is connected with the first electrode area 1, and the second part is connected with the second electrode area 2. The first arc-shaped section 31 and the third arc-shaped section 35 are both located in the first part, and the second arc-shaped section 33 and the fourth arc-shaped section 37 are both located in the second part.

[0036] In specific embodiments, the first arc-shaped section 31 comprises a first arc-shaped segment 311 and a second arc-shaped segment 312, the first arc-shaped segment 311 is arranged inside the second arc-shaped segment 312 to form a first arc-shaped channel; that is, taking the same point as the center, two arcs are formed by drawing arcs with different radii, and the two arcs form the first arc-shaped channel; wherein the first arc-shaped segment 311 is inside the second arc-shaped segment 312, and the arc radius of the first arc-shaped segment 311 is smaller than the arc radius of the second arc-shaped segment 312.

[0037] The second arc-shaped section 33 comprises a third arc-shaped segment 331 and a fourth arc-shaped segment 332, the third arc-shaped segment 331 is arranged inside the fourth arc-shaped segment 332 to form a second arc-shaped channel; that is, taking the same point as the center, two arcs are formed by drawing arcs with different radii, and the two arcs form the second arc-shaped channel; wherein the third arc-shaped segment 331 is inside the fourth arc-shaped segment 332, that is, the arc radius of the third arc-shaped segment 331 is smaller than the arc radius of the fourth arc-shaped segment 332.

[0038] The third arc-shaped section 35 comprises a fifth arc-shaped segment 351 and a sixth arc-shaped segment 352, the fifth arc-shaped segment 351 is arranged inside the sixth arc-shaped segment 352 to form a third arc-shaped channel; that is, taking the same point as the center, two arcs are formed by drawing arcs with different radii, and the two arcs form the third arc-shaped channel; wherein the fifth arc-shaped segment 351 is inside the sixth arc-shaped segment 352, that is, the arc radius of the fifth arc-shaped segment 351 is smaller than the arc radius of the sixth arc-shaped segment 352.

[0039] The fourth arc-shaped section 37 comprises a seventh arc-shaped segment 371 and an eighth arc-shaped segment 372, the seventh arc-shaped segment 371 is arranged inside the eighth arc-shaped segment 372 to form a fourth arc-shaped channel. That is, taking the same point as the center, two arcs are formed by drawing arcs with different radii, and the two arcs form the fourth arc-shaped channel; wherein the seventh arc-shaped segment 371 is inside the eighth arc-shaped segment 372, that is, the arc radius of the seventh arc-shaped segment 371 is smaller than the arc radius of the eighth arc-shaped segment 372.

[0040] In specific embodiments, the first arc-shaped segment 311 and the seventh arc-shaped segment 371 have the same curvature radius, the second arc-shaped segment 312 and the eighth arc-shaped segment 372 have the same curvature radius;

[0041] The third arc-shaped segment 331 and the fifth arc-shaped segment 351 have the same curvature radius, and the fourth arc-shaped segment 332 and the sixth arc-shaped segment 352 have the same curvature radius.

[0042] More specifically, the reciprocal of the curvature is the radius of curvature, the curvature is the rate of rotation of the tangent direction angle of a point on the curve to the arc length, which indicates the degree of deviation of the curve from a straight line; the radius of curvature is mainly used to describe the degree of bending change of the curve at a certain place; in the embodiment, the bending degrees of the first arc-shaped section 311 and the seventh arc-shaped section 371 are equivalent, and the bending degrees of the fourth arc-shaped section 332 and the sixth arc-shaped section 352 are equivalent.

[0043] In specific embodiments, the first electrode area 1 has a first vertical edge 11, and the first arc-shaped section 311 is connected with the first vertical edge 11; the second electrode area 2 has a second vertical edge 21, and the seventh arc-shaped section 371 is connected with the second vertical edge 21.

[0044] In specific embodiments, the first straight line section 32 includes a first straight line section 321 and a second straight line section 322, and the first straight line section 321 and the second straight line section 322 are arranged in parallel to form a first straight line channel;

[0045] The second straight line section 34 includes a third straight line section 341 and a fourth straight line section 342, and the third straight line section 341 and the fourth straight line section 342 are arranged in parallel to form a second straight line channel;

[0046] The third straight line section 36 includes a fifth straight line section 361 and a sixth straight line section 362, and the fifth straight line section 361 and the sixth straight line section 362 are arranged in parallel to form a third straight line channel.

[0047] More specifically, in the embodiment, the second arc-shaped section 312, the second straight line section 322, the fourth arc-shaped section 332, the fourth straight line section 342, the fifth arc-shaped section 351, the sixth straight line section 362, and the seventh arc-shaped section 371 are sequentially connected, and the first arc-shaped section 311, the first straight line section 321, the third arc-shaped section 331, the third straight line section 341, the sixth arc-shaped section 352, the fifth straight line section 361, and the eighth arc-shaped section 372 are sequentially connected; and then a first arc-shaped channel, a first straight line channel, a second arc-shaped channel, a second straight line channel, a third arc-shaped channel, a third straight line channel, and a third arc-shaped channel are sequentially connected.

[0048] The heating assembly provided in the embodiment is a traditional heating film, and the processing methods of the heating film include thick film screen printing, pad printing, electroplating, PVD, etching, and different processing technology forms.

[0049] Embodiment 2

[0050] The embodiment provides an atomizer, which includes a porous substrate 4 capable of adsorbing atomized liquid and the heating assembly of the embodiment 1, the heating assembly is arranged on the side surface of the porous substrate 4, and the heating assembly forms a resistance heating track after being powered on.

[0051] Specifically, the porous base 4 includes different systems of porous ceramics such as silicon-based porous ceramics, aluminum-based porous ceramics, diatomite ceramics, and the like, and different materials such as porous metals, and the median pore size of the micropores is within 10-100 μm, so that different atomized liquids can be conducted from the liquid guide surface to the atomization surface 5.

[0052] Embodiment 3

[0053] The embodiment provides an aerosol generating device, which comprises a liquid storage cavity, an atomization cavity, and the atomizer of the embodiment 2, the liquid storage cavity is communicated with the atomization cavity, and the atomizer is arranged in the atomization cavity.

[0054] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described device, apparatus and unit can refer to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0055] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A heat generating component, characterized by The heating assembly comprises a first electrode area (1), a second electrode area (2), and a heating wire structure (3) for connecting the first electrode area (1) and the second electrode area (2); the heating wire structure (3) comprises a first arc-shaped section (31), a first straight section (32), a second arc-shaped section (33), a second straight section (34), a third arc-shaped section (35), a third straight section (36), and a fourth arc-shaped section (37) connected in sequence, wherein the first arc-shaped section (31) is connected with the first electrode area (1), the fourth arc-shaped section (37) is connected with the second electrode area (2), the first arc-shaped section (31) and the third arc-shaped section (35) are arranged concentrically and close to the first electrode area (1), and the second arc-shaped section (33) and the fourth arc-shaped section (37) are arranged concentrically and close to the second electrode area (2). The first arc-shaped section (31) comprises a first arc-shaped segment (311) and a second arc-shaped segment (312), and the first arc-shaped segment (311) is arranged inside the second arc-shaped segment (312). The fourth arc-shaped section (37) comprises a seventh arc-shaped segment (371) and an eighth arc-shaped segment (372), and the seventh arc-shaped segment (371) is arranged inside the eighth arc-shaped segment (372). The first arc-shaped segment (311) and the seventh arc-shaped segment (371) have the same radius of curvature, and the second arc-shaped segment (312) and the eighth arc-shaped segment (372) have the same radius of curvature.

2. The heat generating component of claim 1, wherein, The second arc-shaped section (33) comprises a third arc-shaped segment (331) and a fourth arc-shaped segment (332), and the third arc-shaped segment (331) is arranged inside the fourth arc-shaped segment (332).

3. The heat generating assembly of claim 2, wherein, The third arc-shaped section (35) comprises a fifth arc-shaped segment (351) and a sixth arc-shaped segment (352), and the fifth arc-shaped segment (351) is arranged inside the sixth arc-shaped segment (352).

4. The heat generating assembly of claim 3, wherein, The third arc-shaped segment (331) and the fifth arc-shaped segment (351) have the same radius of curvature, and the fourth arc-shaped segment (332) and the sixth arc-shaped segment (352) have the same radius of curvature.

5. The heat generating assembly according to any of claims 1-4, characterized in that, The first straight section (32) comprises a first straight segment (321) and a second straight segment (322) arranged in parallel; the second straight section (34) comprises a third straight segment (341) and a fourth straight segment (342) arranged in parallel; and the third straight section (36) comprises a fifth straight segment (361) and a sixth straight segment (362) arranged in parallel.

6. An atomiser characterised in that, The atomizer comprises a porous substrate (4) capable of adsorbing atomized liquid, and the heating assembly according to any one of claims 1-5, which is arranged on the side of the porous substrate (4) and forms an electric resistance heating track after being electrified.

7. An aerosol-generating device comprising: The aerosol generating device comprises a liquid storage cavity, an atomization cavity, and the atomizer according to claim 6, wherein the liquid storage cavity and the atomization cavity are in communication, and the atomizer is arranged in the atomization cavity.

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