WO2024036870A1

WO2024036870A1 - Multi-layer heating element structure, and atomization device comprising same

Info

Publication number: WO2024036870A1
Application number: PCT/CN2022/143810
Authority: WO
Inventors: 陈跃勇; 赵贯云; 赵波洋; 孟繁轲; 陈杰; 张倩
Original assignee: 深圳市吉迩科技有限公司
Priority date: 2022-08-17
Filing date: 2022-12-30
Publication date: 2024-02-22
Also published as: CN115211605A

Abstract

Provided in the present application is a multi-layer heating element structure, comprising a heating layer and a first coating, wherein several micropore structures are provided in the heating layer, and the heating layer has a first atomization surface on which the first coating is coated, so that micropores in the first atomization surface are sealed by means of the first coating. In the multi-layer heating element structure and an atomization device comprising same provided in the present application, several micropores are provided in the heating layer so as to achieve the functions of ventilation, oil guiding, and heating; and the sealing coating is provided on one or both sides or the inside so as to appropriately reduce the number of micropores to avoid the generation of a large number of bubbles during atomization due to excessive micropores, thereby reducing noise and improving an atomization effect and the user experience.

Description

A multi-layer heating element structure and its atomization device

This application is based on the Chinese patent application with application number 202210986386.2 and a filing date of August 17, 2022, and claims its priority. The entire content of the application is hereby incorporated into this application as a whole.

Technical field

The present application relates to the technical field of atomization devices, and in particular to a multi-layer heating element structure and an atomization device thereof.

Background technique

The aerosol generating device generally heats the atomized liquid through a heating mechanism, and atomizes it to produce aerosol. Among them, the characteristics of the heating mechanism and the atomization liquid supply rate have a greater impact on the atomization effect. There are also various heating mechanisms with different structural designs in existing atomization equipment, such as heating wires and heating films. However, existing heating mechanisms generally only have the function of heating and atomizing, and additional design of diversion media and ventilation structures are required so that the atomized liquid can be uniformly and constantly supplied to the heating mechanism and the atomized aerosol can be output to the user. Therefore, there is an urgent need to design a heating mechanism that can ventilate, conduct oil, and generate heat.

Contents of the invention

The purpose of this application is to overcome the shortcomings of the existing technology and provide a multi-layer heating element structure and an atomization device thereof, so as to solve the technical problem that the heating mechanism of the existing atomization device only has a single function.

In order to achieve the above purpose, this application adopts the following technical solutions:

In the first aspect, embodiments of the present application provide a multi-layer heating element structure, which includes: a heating layer and a first coating; a plurality of microporous structures are provided in the heating layer, and the heating layer has a first mist The first coating layer is coated on the first atomizing surface, so that the first coating layer seals the micropores of the first atomizing surface.

Wherein, the first coating layer is also provided with a plurality of through holes, so that part of the microporous structure is exposed.

Wherein, the through holes are evenly distributed on the first coating layer.

Wherein, the first coating is an inorganic coating, an organic coating or a metal coating.

Wherein, the micropore diameter of the microporous structure in the heating layer is 1um-1mm.

Wherein, the heating layer is a metal felt.

Wherein, the heating layer also has a second atomization surface opposite to the first atomization surface, and a second coating is provided on the second atomization surface.

Wherein, the first coating layer and/or the second coating layer are also provided with a plurality of through holes, so that part of the microporous structure on the heating layer is exposed.

In the second aspect, this embodiment also provides another multi-layered heating element structure, which includes: a heating layer and a coating, the heating layer is provided with a number of microporous structures, and the heating layer has an atomization surface, The coating is embedded in the heating layer, and the coating is arranged relative to the atomization surface; wherein the coating partially or completely covers the atomization surface.

In a third aspect, this embodiment also provides an atomization device, which includes: a multi-layer heating element structure as described in any one of the above.

The multi-layer heating element structure and its atomization device of the present application realize ventilation, oil conduction and heating functions by setting a number of micropores in the heating layer, and provide a sealing coating on one side, both sides or inside, appropriately reducing The number of micropores avoids the generation of a large number of bubbles during the atomization process due to more micropores, thereby reducing noise and improving the atomization effect and user experience.

The above description is only an overview of the technical solutions of the present application. In order to have a clearer understanding of the technical solutions of the present application, they can be implemented in accordance with the contents of the description. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following Preferred embodiments are specifically cited and described in detail below.

Description of drawings

Figure 1 is a cross-sectional view of the multi-layer heating element structure of the first embodiment of the present application;

Figure 2 is a cross-sectional view of the multi-layer heating element structure of the second embodiment of the present application;

Figure 3 is a schematic diagram of the surface structure of the first coating described in Figure 1;

Figure 4 is a cross-sectional view of the multi-layer heating element structure of the third embodiment of the present application;

Figure 5 is a cross-sectional view of the multi-layer heating element structure of the fourth embodiment of the present application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of this application.

In the description of this application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The directions or positions indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" etc. The relationship is based on the orientation or positional relationship described in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore It should not be construed as a limitation on this 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 quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, "plurality" means two or more than two, unless otherwise explicitly and specifically limited.

In this application, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a connection or a detachable connection. Or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In this application, unless otherwise explicitly stated and limited, the term "above" or "below" a first feature on a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the present application. In this specification, schematic expressions of the above terms should not be understood as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Please refer to Figure 1. In this first embodiment, a multi-layer heating element structure 100 is provided. The multi-layer heating element structure 100 includes: a heating layer 11 and a first coating 12; the heating layer 11 has a A plurality of microporous structures 111, the heating layer 11 has a first atomization surface, and the first coating 12 is coated on the first atomization surface, so that the first coating 12 The first atomization surface is microporous sealed. In the embodiment, the first atomization surface is disposed on the top surface of the heating layer 11, so the first coating 12 is coated on the top surface of the heating layer 11. If the multi-layer heating element structure 100 is as shown in the figure 1 is assembled in the atomizing device in the direction described in 1. At this time, the heating layer 11 is located below the first coating 12, the atomized liquid can be supplied from the side wall of the heating layer 11, and the aerosol generated after atomization comes from the heating layer 11 The underside release is output from the side perimeter.

Referring to FIG. 3 , the first coating layer 12 is also provided with a plurality of through holes 121 to expose part of the microporous structure 111 . The arrangement of the through hole 121 can expose part of the microporous structure 111 so that the atomized liquid can be input and the aerosol can be output from the through hole 121 . It can be understood that the number and size of the through holes 121 can be set accordingly according to the number of microporous structures 111 in the heat generating layer 11 and the thickness of the heat generating layer 11. The shape and size of the through holes 121 can be arbitrary, and the through holes 121 can have any shape and size. The distribution of holes 121 can also be arbitrary.

In order to simplify the processing and atomization effect, in the first embodiment, the through holes 121 are evenly distributed on the first coating 12, and the through holes 121 are round holes.

Wherein, the first coating 12 is an inorganic coating, an organic coating or a metal coating. The first coating 12 itself does not generate heat during the atomization process. It has good sealing performance and can block and seal part of the microporous structure 111 on the heating layer 11, thereby reducing the number of micropores. Bubbles will be generated during the atomization process, and the bursting of bubbles will produce noise. Therefore, reducing the microporous structure can reduce the number of bubbles, and ultimately achieve the effect of reducing atomization noise.

Wherein, the micropore diameter of the microporous structure 111 in the heating layer 11 is 1um-1mm. It can be understood that in other embodiments, the micropore diameter of the micropore structure 111 can also be larger or smaller, depending on the preparation process of the heat-generating layer 11 and the atomization parameter requirements.

In this embodiment, the heating layer 11 is a metal felt. The metal felt is a relatively mature material in the existing technology. There is no need to perform secondary processing on the material itself. The metal felt has many fine pores that can penetrate the atomized liquid. , can also be ventilated, and the metal material has the characteristics of electric heating, microwave heating or electromagnetic induction heating.

Please refer to Figure 2. In the second embodiment, the multi-layer heating element structure 200 includes: a heating layer 21 and a first coating 22; a plurality of microporous structures 211 are provided in the heating layer 21. 21 has a first atomized surface, and the first coating 22 is coated on the first atomized surface, so that the first coating 22 seals the micropores of the first atomized surface. In the embodiment, the first atomization surface is disposed on the bottom surface of the heating layer 21, so the first coating 22 is coated on the bottom surface of the heating layer 21. If the multi-layer heating element structure 200 is as shown in FIG. 2 The atomization device is assembled in the above direction. At this time, the heat-generating layer 21 is located above the first coating 22. The atomized liquid can be supplied from the top of the heat-generating layer 21. The aerosol generated after atomization comes from the top surface of the heat-generating layer 21. Released.

In the second embodiment, the difference between the multi-layer heating element structure 200 and the multi-layer heating element structure 100 in the above-mentioned first embodiment lies in the relative positional relationship between the first coating layer and the heating layer. Similarly, the first coating layer and the heating layer are different from each other. A coating layer 22 is also provided with a plurality of through holes, so that part of the microporous structure 211 is exposed. In the second embodiment, the number, size and shape of the through holes can be arbitrary. Preferably, the heating layer 21 is also made of metal felt. Other structures are the same as those in Embodiment 1 and will not be described again.

Please refer to Figure 4. The multi-layer heating element structure 300 includes: a heating layer 31. The heating layer 31 also has a first atomization surface and a second atomization surface arranged oppositely. The second atomization surface is provided with The second coating 33 has a first coating 32 provided on the first atomization surface. The heating layer 31 is provided with a plurality of microporous structures 311, and the microporous structures 311 are used for ventilation or oil conduction. The first coating 32 and the second coating 33 can fully or partially cover their respective atomization surfaces. When the atomization surfaces are fully covered, both ventilation and oil conduction can be performed from the side walls of the heating layer 31 . If it is partially covered, it can be carried out through the uncovered part.

Furthermore, a plurality of through holes are provided on the first coating layer 32 and/or the second coating layer 33 to expose part of the microporous structure 311 on the heating layer 31 . Similar to the above-mentioned first embodiment and second real-time mode, the number, shape, and size of the through holes can be arbitrary, and can be appropriately selected according to the thickness or size of the heating layer 31 . Other structures of the heating layer 31, the first coating layer 32, and the second coating layer 33 are the same as those in the first and second embodiments described above, and will not be described again here.

Please refer to Figure 5 again. This embodiment also provides a fourth multi-layer heating element structure implementation, which includes: a heating layer and a coating 41. The heating layer is provided with a number of microporous structures. The heating layer has An atomized surface, the coating 41 is embedded in the heat-generating layer, and the coating 41 is arranged relative to the atomized surface; wherein the coating 41 partially or completely covers the atomized surface. It should be noted that when the coating 41 completely covers the atomized surface, any through holes can also be provided on the coating 41. The coating 41 is approximately opposite to the atomized surface. The coating 41 can be a plane, a curved surface or any other shape. Irregular surfaces are available.

This embodiment also provides an atomization device, which includes the multi-layer heating element structure 100, the multi-layer heating element structure 200, the multi-layer heating element structure 300 or the multi-layer heating element structure as described in any one of the above. 400.

The above-mentioned examples are only used to further illustrate the technical content of the present application, so that readers can understand it more easily, but it does not mean that the implementation of the present application is limited to this. Any technical extension or re-creation based on this application shall be protected by this application. protection of. The scope of protection of this application shall be determined by the claims.

Claims

A multi-layer heating element structure, which includes: a heating layer and a first coating; a plurality of microporous structures are provided in the heating layer, the heating layer has a first atomization surface, and the first coating Coating on the first atomized surface, so that the first coating layer seals the micropores of the first atomized surface.
The multilayer heating element structure according to claim 1, wherein the first coating layer is further provided with a plurality of through holes to expose part of the microporous structure.
The multilayer heating element structure according to claim 2, wherein the through holes are evenly distributed on the first coating.
The multilayer heating element structure according to claim 1, wherein the first coating is an inorganic coating, an organic coating or a metal coating.
The multilayer heating element structure according to claim 1, wherein the micropore diameter of the microporous structure in the heating layer is 1um-1mm.
The multilayer heating element structure according to claim 2, wherein the micropore diameter of the microporous structure in the heating layer is 1um-1mm.
The multilayer heating element structure according to claim 5, wherein the heating layer is a metal felt.
The multi-layer heating element structure according to claim 1, wherein the heating layer further has a second atomization surface opposite to the first atomization surface, and a third atomization surface is provided on the second atomization surface. Two coats.
The multilayer heating element structure according to claim 8, wherein the first coating layer and/or the second coating layer are further provided with a plurality of through holes, so that part of the microporous structure on the heating layer is exposed.
A multi-layer heating element structure, which includes: a heating layer and a coating, the heating layer is provided with a number of microporous structures, the heating layer has an atomization surface, and the coating is embedded in the heating layer. within the layer, and the coating is disposed relative to the atomization surface; wherein the coating partially or completely covers the atomization surface.
An atomization device, which includes: a multi-layer heating element structure; the multi-layer heating element structure includes: a heating layer and a first coating; a plurality of microporous structures are provided in the heating layer, and the heating layer has A first atomization surface, the first coating layer is coated on the first atomization surface, so that the first atomization surface is microporous sealed by the first coating layer.
The atomization device according to claim 11, wherein the first coating layer is further provided with a plurality of through holes to expose part of the microporous structure.
The atomization device according to claim 12, wherein the through holes are evenly distributed on the first coating.
The atomization device according to claim 11, wherein the first coating is an inorganic coating, an organic coating or a metal coating.
The atomization device according to claim 11, wherein the micropore diameter of the microporous structure in the heat generating layer is 1um-1mm.
The atomization device according to claim 12, wherein the micropore diameter of the microporous structure in the heat generating layer is 1um-1mm.
The atomization device according to claim 15, wherein the heat-generating layer is a metal felt.
The atomization device according to claim 11, wherein the heat-generating layer further has a second atomization surface opposite to the first atomization surface, and a second coating layer is provided on the second atomization surface. layer.
The atomization device according to claim 18, wherein the first coating layer and/or the second coating layer are further provided with a plurality of through holes to expose part of the microporous structure on the heating layer.
An atomization device, which includes: a multi-layer heating element structure; the multi-layer heating element structure includes: a heating layer and a coating, the heating layer is provided with a number of microporous structures, and the heating layer has a mist atomized surface, the coating is embedded in the heating layer, and the coating is arranged relative to the atomized surface; wherein the coating partially or completely covers the atomized surface.