Heating element base material, heating element, atomizer and electronic atomization device

Abstract

The utility model provides a heating element base material, a heating element, an atomizer and an electronic atomization device, the heating element base material comprises a composite part, the composite part comprises a plurality of composite filaments extending in the Y direction, and the multiple composite filaments are arranged side by side in the X direction and the Z direction and are in fusion connection; the composite filament comprises a plurality of sub-composite filaments extending in the Y direction, the sub-composite filaments are arranged side by side in the X direction and the Z direction and connected in a fused mode, each sub-composite filament comprises a core body and an outer wrapping body wrapping the periphery of the core body, the core body is made of a soluble material and can be removed through solution corrosion, and the outer wrapping body is made of a corrosion-resistant material. The thickness direction of the heating body base material is the Z direction, the two opposite faces, perpendicular to the Z direction, of the heating body base material are faces to be punched, and the faces to be punched are used for being provided with a plurality of through vertical micropores. Thus, after the heating body base material is subjected to corrosive washing, a plurality of transverse micropores can be formed in the composite part, the transverse micropores are communicated with the vertical micropores, and the problems that in the prior art, the liquid storage amount of a heating body of an electronic atomization device is small, and a core is prone to being burnt due to dry burning are solved.

Description

Technical Field

[0001] This application relates to the field of electronic atomization device technology, specifically to a heating element substrate, a heating element, an atomizer, and an electronic atomization device. Background Technology

[0002] Electronic atomizing devices are a common type of electronic product. Their atomizers can heat and atomize liquid aerosol matrix to form aerosols.

[0003] Generally, atomizers require porous materials to transport liquid aerosols to form a matrix, and currently, most use cotton wicks or ceramic wicks as heating elements. However, the pore structures of cotton and ceramic wicks are often disordered and difficult to customize, resulting in poor consistency in liquid delivery and difficulty in ensuring consistent flavor. With the development of technology, thin-film heating elements with fully customizable pore structures have been developed. These have vertically oriented arrays of micropores, which improve liquid delivery capacity. However, these thin-film heating elements are prone to forming air bubbles on the side absorbing the liquid matrix, blocking the liquid inlet. In addition, the thin substrate results in a smaller liquid storage capacity, which can further lead to the problem of dry burning and scorching of the heating element. Utility Model Content

[0004] In view of this, this application provides a heating element substrate, a heating element, an atomizer, and an electronic atomizing device to solve the problem that the heating element of the electronic atomizing device in the prior art has a small liquid storage capacity and is prone to dry burning and scorching.

[0005] To achieve the above objectives, this application provides the following technical solution:

[0006] A heating element substrate includes a composite portion, the composite portion including a plurality of composite filaments extending along the Y direction, the plurality of composite filaments being arranged side by side and fused together along the X and Z directions;

[0007] The composite filament includes multiple sub-composite filaments extending along the Y direction. The multiple sub-composite filaments are arranged side by side and fused together along the X and Z directions. Each sub-composite filament includes a core and an outer casing covering the periphery of the core. The core is a soluble and corrosive material that can be removed by solution corrosion, and the outer casing is a corrosion-resistant material.

[0008] The thickness direction of the heating element substrate is Z-direction, and the two opposite sides of the heating element substrate perpendicular to the Z-direction are the surfaces to be drilled. The surfaces to be drilled are used to open multiple through vertical microholes.

[0009] Optionally, the composite yarn includes a full-form composite yarn and a half-form composite yarn. The full-form composite yarn has a regular hexagonal cross-section, and the half-form composite yarn has an isosceles trapezoidal cross-section that is half the cross-section of the full-form composite yarn, wherein:

[0010] The full-form composite wire and the half-form composite wire are arranged to form a plane on both sides of the surface to be punched; or...

[0011] The full-shaped composite wire and the half-shaped composite wire are arranged such that one side of the surface to be drilled is a plane and the other side of the surface to be drilled is a concave-convex surface.

[0012] Optionally, it also includes a monomer section, which includes a plurality of monofilaments extending along the Y direction, the plurality of monofilaments being arranged side by side and fused together along the X and Z directions, the monofilaments being a corrosion-resistant material;

[0013] In the X direction, the monomer portion is fused to both sides of the composite portion.

[0014] Optionally, the monofilament includes a full-form monofilament and a half-form monofilament. The cross-section of the full-form monofilament is a regular hexagon, and the cross-section of the half-form monofilament is an isosceles trapezoid and is half the cross-section of the full-form monofilament.

[0015] The composite yarn includes a full-shape composite yarn and a half-shape composite yarn. The cross-section of the full-shape composite yarn is a regular hexagon, and the cross-section of the half-shape composite yarn is an isosceles trapezoid and is half the cross-section of the full-shape composite yarn.

[0016] in:

[0017] The full-form composite wire, the half-form composite wire, the full-form monofilament, and the half-form monofilament are arranged to form a plane on both sides of the surface to be punched; or...

[0018] The full-type composite filament, the half-type composite filament, the full-type monofilament, and the half-type monofilament are arranged such that one side of the surface to be punched is a plane, and the other side of the surface to be punched is a concave-convex surface.

[0019] Optionally, the sub-composite yarn has two specifications and is divided into large-diameter sub-composite yarn and small-diameter sub-composite yarn. The core diameter of the large-diameter sub-composite yarn is larger than the core diameter of the small-diameter sub-composite yarn, and the outer casing diameter of the large-diameter sub-composite yarn is larger than the outer casing diameter of the small-diameter sub-composite yarn.

[0020] The composite filament composed of the large-diameter composite filament is a type I composite filament, and the composite filament composed of the small-diameter composite filament is a type II composite filament, and the type I composite filament and the type II composite filament have the same size.

[0021] In the Z direction, all the type I composite wires are arranged in a concentrated manner to form one side of the surface to be drilled, and all the type II composite wires are arranged in a concentrated manner to form the other side of the surface to be drilled.

[0022] Optionally, the core is made of an acid-soluble material, the outer casing is made of an acid-resistant material, and the monofilament is made of an acid-resistant material.

[0023] A heating element, obtained based on the above-described heating element substrate, is applied to an electronic atomization device and used to heat an atomized aerosol forming matrix, the heating element comprising:

[0024] The substrate is obtained by etching and washing away each of the cores of the heating element substrate, and each of the outer shells forms transverse micropores. The substrate has a plurality of vertical micropores that penetrate along the Z direction and are distributed in an array. The transverse micropores and the vertical micropores are interconnected. The substrate has a liquid absorption surface and an atomizing surface.

[0025] A heating film is disposed on the atomizing surface;

[0026] In the substrate, at least one of the surfaces with the lateral micropores or the vertical micropores is the liquid-absorbing surface and at least one is the atomizing surface, so as to guide the aerosol forming matrix from the liquid-absorbing surface to the atomizing surface.

[0027] Optionally, the side of the substrate with the vertical micropores is the atomizing surface;

[0028] The opposite surfaces of the atomizing surface, and / or the opposite surfaces of the substrate on which the transverse micropores are distributed, constitute the liquid-absorbing surface.

[0029] Optionally, the heating film includes a heating element and electrode elements distributed on both sides of the heating film, wherein:

[0030] On the atomizing surface, the distribution area of ​​the vertical micropores coincides with the distribution area of ​​the heating element; or,

[0031] The vertical micropores cover the atomizing surface.

[0032] Optionally, the length direction of the heating element is Y-direction; or, the width direction of the heating element is Y-direction.

[0033] An atomizer, comprising:

[0034] The liquid storage chamber is used to store the aerosol formation matrix;

[0035] A heating element is in fluid communication with the liquid storage cavity, and the heating element is any of the heating elements mentioned above.

[0036] An electronic atomizing device, comprising:

[0037] The atomizer is the one described above;

[0038] The main unit is used to provide electrical power for the operation of the atomizer.

[0039] The heating element substrate provided in this application includes a composite part, which includes multiple composite filaments extending along the Y direction. The multiple composite filaments are arranged side by side and fused together along the X and Z directions. The composite filaments include multiple sub-composite filaments extending along the Y direction. The multiple sub-composite filaments are arranged side by side and fused together along the X and Z directions. The sub-composite filaments include a core and an outer casing covering the periphery of the core. The core is a soluble and erodible material that can be removed by solution corrosion, and the outer casing is a corrosion-resistant material. The thickness direction of the heating element substrate is the Z direction, and the two opposite sides of the heating element substrate perpendicular to the Z direction are surfaces to be drilled. The surfaces to be drilled are used to open multiple through vertical micropores. With this configuration, after etching, the heating element substrate provided in this application can form a dense and regularly arranged plurality of transverse micropores in the composite part. In this way, after the heating element substrate is cut in the Y direction and vertical micropores are opened on the surface to be drilled, a porous and dense heating element matrix is ​​formed. Such a heating element matrix has improved liquid storage and liquid conduction capacity, and can realize the connection between the plurality of transverse micropores extending in the Y direction and the plurality of vertical micropores extending in the Z direction. This effectively avoids the formation of air bubbles on the side absorbing the liquid matrix, prevents air bubbles from blocking the liquid supply, and thus prevents the heating element from dry burning. This solves the problem of low liquid storage capacity and easy dry burning of the heating element in the prior art electronic atomization device. Attached Figure Description

[0040] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0041] Figure 1 This is a schematic diagram of the structure of the heating element provided in Embodiment A of this application;

[0042] Figure 2 This is a schematic diagram of the structure of the heating element provided in Embodiment B of this application;

[0043] Figure 3 This is a schematic diagram of the structure of the heating element provided in Embodiment C of this application;

[0044] Figure 4 This is a schematic diagram of the structure of the heating element provided in Embodiment D of this application;

[0045] Figure 5 This is a schematic diagram of the structure of the heating element provided in embodiment E of this application;

[0046] Figure 6 This is a schematic diagram of the structure of the heating element provided in embodiment F of this application;

[0047] Figure 7 This is an enlarged schematic diagram of the full-type composite filament provided in the embodiments of this application;

[0048] Figure 8 This is an enlarged schematic diagram of a semi-shaped composite filament provided in an embodiment of this application.

[0049] exist Figures 1-8 middle:

[0050] 10. Substrate; 20. Heating film;

[0051] 11. Composite part; 12. Monomer part;

[0052] 111. Full-type composite yarn; 112. Semi-type composite yarn;

[0053] 1110. Sub-composite filament; 1111. Core; 1112. Outer casing;

[0054] 121. Full-type monofilament; 122. Half-type monofilament;

[0055] 101. Horizontal micropores; 102. Vertical micropores; 103. Grooves; 104. Atomizing surface. Detailed Implementation

[0056] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0057] In related technologies, the heating element used in electronic atomization devices is generally configured to include a substrate 10 and a heating film 20. Micropores penetrating the substrate 10 are opened on the atomization surface 104 of the substrate 10 to absorb and transfer the liquid matrix. The heating film 20 is deposited on the atomization surface 104 of the substrate 10.

[0058] like Figures 1-8As shown, this application embodiment provides a heating element substrate for providing a substrate for manufacturing a heating element. The heating element substrate includes a composite part 11, which includes a plurality of composite filaments extending along the Y direction. The plurality of composite filaments are arranged side by side and fused together along the X and Z directions. The composite filaments include a plurality of sub-composite filaments 1110 extending along the Y direction. The plurality of sub-composite filaments 1110 are arranged side by side and fused together along the X and Z directions. The sub-composite filaments 1110 include a core 1111 and an outer casing 1112 covering the outer periphery of the core 1111. The core 1111 is a soluble and erodible material that can be removed by solution corrosion, and the outer casing 1112 is a corrosion-resistant material. The thickness direction of the heating element substrate is the Z direction, and the two opposite sides of the heating element substrate perpendicular to the Z direction are surfaces to be drilled. The surfaces to be drilled are used to open a plurality of through vertical microholes 102.

[0059] With this configuration, after etching, the heating element substrate provided in this application can form a dense and regularly arranged plurality of transverse micropores 101 in the composite part 11. In this way, after the heating element substrate is cut in the Y direction and vertical micropores 102 are opened on the surface to be drilled, a porous and dense heating element substrate 10 is formed. Such a heating element substrate 10 has improved liquid storage and liquid conduction capabilities, and can realize the communication between the plurality of transverse micropores 101 extending in the Y direction and the plurality of vertical micropores 102 extending in the Z direction. This effectively avoids the formation of air bubbles on the side absorbing the liquid matrix, prevents air bubbles from blocking the liquid supply, and thus prevents the heating element from dry burning. This solves the problem of the heating element in the prior art having a small liquid storage capacity and being prone to dry burning and scorching.

[0060] For example, the composite wire is made of glass, wherein the soluble material is acid-soluble glass and the corrosion-resistant material is acid-resistant glass. The process of forming the heating element substrate can be as follows: First, a cylindrical acid-resistant outer glass and a cylindrical acid-soluble core glass are fitted together. The resulting sleeve glass is melted and drawn into wire. This first composite process forms a primary composite glass wire. Then, multiple primary composite glass wires are stacked and arranged, and melted and drawn again. This second composite process forms a secondary composite glass wire. Next, multiple secondary composite glass wires are stacked and arranged, and melted and drawn again to form the heating element substrate. Finally, the secondary composite glass wire forms a composite wire in the heating element substrate, the primary composite glass wire forms a sub-composite wire 1110 in the heating element substrate, the cylindrical acid-resistant outer glass forms an outer casing 1112 in the heating element substrate, and the cylindrical acid-soluble core glass forms a core 1111 in the heating element substrate.

[0061] In some optional embodiments, multiple primary composite glass wires are arranged into regular hexagons and isosceles trapezoids and then melt-drawn to obtain secondary composite glass wires with regular hexagonal and isosceles trapezoidal shapes. This results in the final composite wire having two forms: a full-form composite wire 111 and a half-form composite wire 112. The full-form composite wire 111 has a regular hexagonal cross-section, and the half-form composite wire 112 has an isosceles trapezoidal cross-section that is half the cross-section of the full-form composite wire 111. Please refer to [reference needed]. Figures 7-8 ,in:

[0062] The full-shaped composite wire 111 and the half-shaped composite wire 112 are arranged to form a plane on both sides of the surface to be drilled. Specifically, the plane is formed by the side of the full-shaped composite wire 111 and the side of the half-shaped composite wire 112 with the largest surface area. With this design, the heating element manufactured based on the heating element substrate has two planes on both sides where the vertical microhole 102 is located.

[0063] Alternatively, the full-shaped composite wire 111 and the half-shaped composite wire 112 are arranged such that one side of the surface to be drilled is a plane and the other side of the surface to be drilled is a concave-convex surface. Specifically, the concave-convex surface is formed by the full-shaped composite wire 111 being arranged at intervals, and a groove 103 with the same shape as the half-shaped composite wire 112 is formed between two adjacent full-shaped composite wires 111. In this design, one of the two sides where the vertical microhole 102 is located has a groove design.

[0064] Besides the design where the heating element substrate is entirely composed of the composite part 11, in some other specific embodiments, the heating element substrate also includes a monomer part 12. The monomer part 12 comprises multiple monofilaments extending along the Y direction, arranged side-by-side and fused together along the X and Z directions. The monofilaments are made of corrosion-resistant material. In the X direction, the monomer part 12 is fused to both sides of the composite part 11. It should be noted that the dimensions of the monofilaments are the same as the dimensions of the composite filaments. This design contributes to a higher level of structural strength for the heating element substrate.

[0065] For example, the monofilament is made of glass, and the corrosion-resistant material is acid-resistant glass. The process of forming the heating element substrate can be as follows: multiple secondary composite glass filaments and multiple solid acid-resistant glass filaments are stacked and arranged, and then melted and drawn again to form the heating element substrate. Finally, the solid acid-resistant glass filaments form monofilaments in the heating element substrate.

[0066] Furthermore, the monofilament has two forms: a full-form monofilament 121 and a half-form monofilament 122. The cross-section of the full-form monofilament 121 is a regular hexagon, and the cross-section of the half-form monofilament 122 is an isosceles trapezoid and is half the cross-section of the full-form monofilament 121; wherein:

[0067] The full-type composite wire 111, the half-type composite wire 112, the full-type monofilament 121 and the half-type monofilament 122 are arranged to form a plane on both sides of the surface to be punched.

[0068] Alternatively, the full-type composite wire 111, the half-type composite wire 112, the full-type monofilament 121 and the half-type monofilament 122 are arranged such that one side of the surface to be punched is a plane and the other side of the surface to be punched is a concave-convex surface.

[0069] In some optional embodiments, the sub-composite wires 1110 have two specifications: large-diameter sub-composite wires and small-diameter sub-composite wires. The core diameter 1111 of the large-diameter sub-composite wire is larger than that of the core diameter 1111 of the small-diameter sub-composite wire, and the outer casing diameter 1112 of the large-diameter sub-composite wire is larger than that of the outer casing diameter 1112 of the small-diameter sub-composite wire. The composite wires composed of large-diameter sub-composite wires are type I composite wires, and the composite wires composed of small-diameter composite wires are type II composite wires, and the type I and type II composite wires have the same dimensions. In the Z-direction, all type I composite wires are arranged in a concentrated manner to form one side of the surface to be drilled, and all type II composite wires are arranged in a concentrated manner to form the other side of the surface to be drilled. With this configuration, the heating element substrate after etching has a portion with large-diameter lateral micropores 101 and another portion with small-diameter lateral micropores 101, providing a design basis for gradient porosity in the thickness direction of the heating element.

[0070] In conjunction with the aforementioned scheme, both the full-type composite yarn 111 and the half-type composite yarn 112 have two specifications.

[0071] This application embodiment also provides a heating element, obtained based on the above-mentioned heating element substrate. The heating element is applied to an electronic atomizing device and used to heat the atomized aerosol forming matrix. The heating element includes a substrate 10 and a heating film 20. The substrate 10 is obtained by etching and washing away each core 1111 of the heating element substrate, and each outer body 1112 has transverse micropores 101 formed therein. The substrate 10 has a plurality of vertical micropores 102 that are arranged in an array along the Z direction. The transverse micropores 101 and the vertical micropores 102 are interconnected. The substrate 10 has a liquid absorption surface and an atomizing surface 104. The heating film 20 is disposed on the atomizing surface 104. Among the surfaces of the substrate 10 with transverse micropores 101 or vertical micropores 102, at least one is a liquid absorption surface and at least one is an atomizing surface 104, so as to guide the aerosol forming matrix from the liquid absorption surface to the atomizing surface 104.

[0072] Thus, the heating element, due to the porous and dense structure of the substrate 10, has improved liquid storage and conduction capabilities, and can achieve communication between multiple transverse micropores 101 extending along the Y direction and multiple vertical micropores 102 extending along the Z direction, effectively avoiding the formation of bubbles on the atomization surface 104, preventing bubbles from blocking the liquid supply, and thus preventing the heating element from dry burning.

[0073] It should be noted that the heating element provided in this application may refer to the sheet heating element commonly referred to in the field, that is, the substrate 10 is a sheet-like body, so the heating element naturally has a length direction, a width direction and a thickness direction.

[0074] Regarding the distribution design of the atomizing surface 104 and the liquid-absorbing surface, in some optional embodiments, the side of the substrate 10 with vertical micropores 102 is the atomizing surface 104; the opposite side of the atomizing surface 104, and / or the two opposite sides of the substrate 10 with transverse micropores 101, are the liquid-absorbing surfaces. That is, the liquid-absorbing surface is the opposite side of the atomizing surface 104, or the liquid-absorbing surface is the two opposite sides with transverse micropores 101, or the liquid-absorbing surface is the opposite side of the atomizing surface 104 and the two opposite sides with transverse micropores 101. When there is more than one liquid-absorbing surface, it is beneficial to increase the liquid absorption and conduction area and to quickly absorb and conduct liquid.

[0075] When the side with vertically distributed micropores 102 is designed as the atomizing surface 104, in some optional embodiments, the heating film 20 includes a heating element and electrode elements distributed on both sides of the heating film 20, wherein:

[0076] On the atomizing surface 104, the distribution area of ​​the vertical micropores 102 coincides with the distribution area of ​​the heating element. This design benefits the heating element by having a denser perimeter and higher strength of the substrate 10. Furthermore, since the substrate 10 contains transverse micropores 101 that are not penetrated by the vertical micropores 102, these transverse micropores 101 can store air, which helps reduce the thermal conductivity around the substrate 10. This reduces the amount of heat dissipated from the perimeter of the substrate 10, allowing more heat to be utilized by the core atomizing area on the atomizing surface 104, thus improving the atomization efficiency of the heating element; or...

[0077] Vertical micropores 102 are distributed throughout the atomizing surface 104. This design is beneficial for the heating element to have a large liquid storage capacity and fast liquid absorption and conduction. Figures 1-6 This example demonstrates the local distribution of vertical micropores 102 on the atomizing surface 104.

[0078] Furthermore, depending on the design of the heating element, the extension direction of the transverse micro-holes 101 can be aligned with the length direction of the heating element, or the extension direction of the transverse micro-holes 101 can be aligned with the width direction of the heating element, that is:

[0079] The length direction of the heating element is Y-direction. This design can ensure that the heating element has a large liquid storage capacity and fast liquid absorption and conduction. In addition, since the electrode part is generally arranged opposite to each other in the length direction of the heating element, this arrangement direction is consistent with the extension direction of the composite wire, which helps the substrate 10 to better resist the bending moment of the electrode top and improve the reliability of the substrate 10.

[0080] Alternatively, the width direction of the heating element is Y-direction. This design ensures a large liquid storage capacity and fast liquid absorption and conduction. In addition, since the electrode part is generally arranged opposite to each other in the length direction of the heating element, although this arrangement sacrifices some of the bending moment resistance of the substrate 10, compared with the former scheme, the composite wire in this scheme is shorter and the acid etching depth of the transverse micropores 101 is shorter. Therefore, it can save the manufacturing cycle and cost, and also help improve the quality of the transverse micropores 101.

[0081] Based on the design of the substrate 10 having one side with vertically distributed micropores 102 as an atomizing surface 104 and at least the opposite side of the atomizing surface 104 as a liquid-absorbing surface, combined with the aforementioned various designs of the heating element substrate, a variety of heating element design schemes are formed, which are illustrated below:

[0082] In scheme A: the liquid absorption surface is planar, the extension direction of the transverse micropores 101 is consistent with the length direction of the heating element, and the base 10 of the heating element is formed only by the composite part 11, that is, the transverse micropores 101 are distributed throughout the base 10. For example, please refer to... Figure 1 .

[0083] In scheme B: the liquid absorption surface is planar, the extension direction of the transverse micropores 101 is consistent with the length direction of the heating element, and the base 10 of the heating element is formed by a composite part 11 and a single part 12, that is, the transverse micropores 101 are distributed in the middle part of the base 10. For example, please refer to Figure 2 .

[0084] In scheme C: the liquid absorption surface is planar, the extension direction of the transverse micropores 101 is consistent with the width direction of the heating element, and the base 10 of the heating element is formed only by the composite part 11, that is, the transverse micropores 101 are distributed throughout the base 10. For example, please refer to... Figure 3 .

[0085] In scheme D: the liquid absorption surface is planar, the extension direction of the transverse micropores 101 is consistent with the width direction of the heating element, and the base 10 of the heating element is formed by a composite part 11 and a monomer part 12, that is, the transverse micropores 101 are distributed in the middle part of the base 10. For example, please refer to Figure 4 .

[0086] In Option E: Based on Option A, B, C, or D, the liquid-absorbing surface is changed from a flat surface to a concave-convex surface. This involves using a heating element substrate with fully-formed composite filaments 111 and fully-formed monofilaments 121 arranged alternately on a surface to be perforated. This heating element, with the formed grooves 103, can increase the liquid storage capacity of the absorbing surface, further improving its resistance to dry burning. For example, please refer to... Figure 5 .

[0087] In Option F: Based on Option A, B, C, D, or E, the diameter of the transverse micropores 101 is differentiated along the thickness direction of the heating element. This involves using both large-diameter and small-diameter composite filaments to fabricate the heating element substrate. The transverse micropores 101 near the liquid absorption surface have a larger diameter, while those near the atomizing surface 104 have a smaller diameter, creating a gradient porosity. The larger diameter transverse micropores 101 increase the heating element's oil storage and conduction capacity, while the smaller diameter transverse micropores 101 maintain the heating element's leak-proof capability. For example, please refer to... Figure 6 .

[0088] Based on the aforementioned heating element, this application embodiment also provides an atomizer, which has a liquid storage chamber for storing an aerosol forming matrix, and the heating element of the atomizer is the aforementioned heating element, which is in fluid communication with the liquid storage chamber. Other structural components of the atomizer can be designed with reference to known solutions in related technologies, and will not be described in detail here.

[0089] Based on the atomizer described above, this application also provides an electronic atomizing device, which includes an atomizer and a main unit. The atomizer is the atomizer described above, and the main unit includes a battery to provide power for the operation of the atomizer.

[0090] The basic principles of this application have been described above with reference to specific embodiments. However, it should be noted that the advantages, benefits, and effects mentioned in this application are merely examples and not limitations, and should not be considered as essential features of each embodiment of this application. Furthermore, the specific details disclosed above are for illustrative and facilitative purposes only, and are not limitations. These details do not limit the application to the necessity of employing the aforementioned specific details for implementation.

[0091] The block diagrams of devices, apparatuses, devices, and systems involved in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As those skilled in the art will recognize, these devices, apparatuses, devices, and systems can be connected, arranged, and configured in any manner. Words such as “comprising,” “including,” “having,” etc., are open-ended terms meaning “including but not limited to,” and are used interchangeably with them. The terms “or” and “and” as used herein refer to the terms “and / or,” and are used interchangeably with them unless the context clearly indicates otherwise. The term “such as” as used herein refers to the phrase “such as but not limited to,” and is used interchangeably with it.

[0092] It should also be noted that in the apparatus, equipment, and methods of this application, the components or steps can be disassembled and / or recombined. These disassemblies and / or recombinations should be considered as equivalent solutions of this application.

[0093] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use this application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of this application. Therefore, this application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0094] It should be understood that the qualifiers “first,” “second,” “third,” “fourth,” “fifth,” and “sixth” used in the description of the embodiments of this application are only used to more clearly illustrate the technical solutions and are not intended to limit the scope of protection of this application.

[0095] The above description has been given for illustrative and descriptive purposes. Furthermore, this description is not intended to limit the embodiments of this application to the forms disclosed herein. Although numerous exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.

Claims

1. A heating element substrate, characterized in that, Includes a composite section (11), which includes a plurality of composite filaments extending along the Y direction, the plurality of composite filaments being arranged side by side and fused together along the X and Z directions; The composite filament includes a plurality of sub-composite filaments (1110) extending along the Y direction. The plurality of sub-composite filaments (1110) are arranged side by side and fused together along the X and Z directions. Each sub-composite filament (1110) includes a core (1111) and an outer casing (1112) covering the periphery of the core (1111). The core (1111) is a soluble and corrosive material that can be removed by solution corrosion, and the outer casing (1112) is a corrosion-resistant material. The thickness direction of the heating element substrate is Z-direction, and the two opposite surfaces of the heating element substrate perpendicular to the Z-direction are the surfaces to be drilled. The surfaces to be drilled are used to open a plurality of through vertical microholes (102).

2. The heating element substrate according to claim 1, characterized in that, The composite yarn includes a full-form composite yarn (111) and a half-form composite yarn (112). The full-form composite yarn (111) has a regular hexagonal cross-section, and the half-form composite yarn (112) has an isosceles trapezoidal cross-section that is half the cross-section of the full-form composite yarn (111). The full-form composite wire (111) and the half-form composite wire (112) are arranged to form a plane on both sides of the surface to be punched; or, The full-type composite wire (111) and the half-type composite wire (112) are arranged such that one side of the surface to be drilled is a plane and the other side of the surface to be drilled is a concave-convex surface.

3. The heating element substrate according to claim 1, characterized in that, It also includes a monomer part (12), which includes a plurality of monofilaments extending along the Y direction. The plurality of monofilaments are arranged side by side and fused together along the X and Z directions. The monofilaments are made of corrosion-resistant material. In the X direction, the monomer part (12) is fused to both sides of the composite part (11).

4. The heating element substrate according to claim 3, characterized in that, The monofilament includes a full-type monofilament (121) and a half-type monofilament (122). The cross-section of the full-type monofilament (121) is a regular hexagon, and the cross-section of the half-type monofilament (122) is an isosceles trapezoid and is half the cross-section of the full-type monofilament (121). The composite filament includes a full-shaped composite filament (111) and a half-shaped composite filament (112). The cross-section of the full-shaped composite filament (111) is a regular hexagon, and the cross-section of the half-shaped composite filament (112) is an isosceles trapezoid and is half the cross-section of the full-shaped composite filament (111). in: The full-form composite filament (111), the half-form composite filament (112), the full-form monofilament (121), and the half-form monofilament (122) are arranged to form a plane on both sides of the surface to be punched; or, The full-type composite filament (111), the half-type composite filament (112), the full-type monofilament (121), and the half-type monofilament (122) are arranged such that one side of the surface to be punched is a plane and the other side of the surface to be punched is a concave-convex surface.

5. The heating element substrate according to any one of claims 1-4, characterized in that, The sub-composite filament (1110) has two specifications and is divided into large-diameter sub-composite filament and small-diameter sub-composite filament. The core (1111) diameter of the large-diameter sub-composite filament is larger than the core (1111) diameter of the small-diameter sub-composite filament, and the outer sheath (1112) diameter of the large-diameter sub-composite filament is larger than the outer sheath (1112) diameter of the small-diameter sub-composite filament. The composite filament composed of the large-diameter composite filament is a type I composite filament, and the composite filament composed of the small-diameter composite filament is a type II composite filament, and the type I composite filament and the type II composite filament have the same size. In the Z direction, all the type I composite wires are arranged in a concentrated manner to form one side of the surface to be drilled, and all the type II composite wires are arranged in a concentrated manner to form the other side of the surface to be drilled.

6. The heating element substrate according to claim 3, characterized in that, The core (1111) is an acid-soluble material, the outer casing (1112) is an acid-resistant material, and the monofilament is an acid-resistant material.

7. A heating element, characterized in that, The heating element is obtained based on the heating element substrate according to any one of claims 1-6, the heating element being applied to an electronic atomization device and used for heating the atomized aerosol forming matrix, the heating element comprising: The substrate (10) is obtained by etching and washing away each of the cores (1111) of the heating element substrate, and each of the outer shells (1112) has transverse micropores (101). The substrate (10) has a plurality of vertical micropores (102) that are distributed in an array along the Z direction. The transverse micropores (101) and the vertical micropores (102) are interconnected. The substrate (10) has a liquid absorption surface and an atomizing surface (104). A heating film (20) is disposed on the atomizing surface (104); In the substrate (10), at least one of the surfaces with the transverse micropores (101) or the vertical micropores (102) is the liquid-absorbing surface and at least one is the atomizing surface (104), so as to guide the aerosol forming matrix from the liquid-absorbing surface to the atomizing surface (104).

8. The heating element according to claim 7, characterized in that, The side of the substrate (10) with the vertical micropores (102) is the atomizing surface (104); The opposite surfaces of the atomizing surface (104) and / or the opposite surfaces of the substrate (10) having the lateral micropores (101) distributed thereon are the liquid absorption surfaces.

9. The heating element according to claim 8, characterized in that, The heating film (20) includes a heating part and electrode parts distributed on both sides of the heating film (20), wherein: On the atomizing surface (104), the distribution area of ​​the vertical micropores (102) coincides with the distribution area of ​​the heating element; or, On the atomizing surface (104), the vertical micropores (102) cover the atomizing surface (104).

10. The heating element according to claim 7, characterized in that, The length direction of the heating element is Y-direction; or, the width direction of the heating element is Y-direction.

11. An atomizer, characterized in that, include: The liquid storage chamber is used to store the aerosol formation matrix; A heating element is in fluid communication with the liquid storage cavity, and the heating element is the heating element according to any one of claims 7-10.

12. An electronic atomizing device, characterized in that, include: The atomizer is the atomizer as described in claim 11; The main unit is used to provide electrical power for the operation of the atomizer.

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