CN220004621U - Heating element structure and electronic atomization device - Google Patents
Heating element structure and electronic atomization device Download PDFInfo
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- CN220004621U CN220004621U CN202320870137.7U CN202320870137U CN220004621U CN 220004621 U CN220004621 U CN 220004621U CN 202320870137 U CN202320870137 U CN 202320870137U CN 220004621 U CN220004621 U CN 220004621U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 129
- 238000000889 atomisation Methods 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims description 39
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract description 9
- 239000000443 aerosol Substances 0.000 description 9
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a heating element structure and an electronic atomization device, wherein the heating element structure comprises: a microstructured substrate and a heat generating film; the heating film is arranged on the microstructure substrate; the heating film comprises a first electrode, a resistance heating section and a second electrode; the first electrode, the resistance heating section and the second electrode are sequentially arranged from left to right and are integrally connected; the resistance heating section comprises an arc pipeline assembly and a linear pipeline assembly; the circular arc pipeline component and the linear pipeline component are integrally connected; the linear pipeline assembly comprises a first linear pipeline, a second linear pipeline and a third linear pipeline; the distance between the first linear pipeline and the first electrode is equal to the distance between the third linear pipeline and the second electrode; the distance between the first linear pipeline and the second linear pipeline is equal to the distance between the second linear pipeline and the third linear pipeline. Thereby solve the heating element structure and generate heat the inhomogeneous heating membrane that leads to of membrane rupture or the problem of raising of membrane, and then improve the life of heating element structure.
Description
Technical Field
The utility model relates to the technical field of aerosol generating devices, in particular to a heating element structure and an electronic atomization device.
Background
The aerosol generating device generally adopts a heating element structure to heat the atomized liquid, so that the atomized liquid is heated and atomized, and then the aerosol generated after the atomized liquid is atomized is brought to the outside of the aerosol generating device through the flow of air flow. Therefore, the structure of the heating element is important in the aerosol generating device.
At present, a heating body structure in an aerosol generating device is formed by a microstructure substrate and a heating film, and atomized liquid stored in a liquid storage cavity is conducted to the heating film through the microstructure substrate to be heated and atomized. Although the heating body structure solves the problem of easy burning at high temperature, the spacing of each linear pipeline on the existing heating film is concentrated, so that the heating is uneven. And because the heating is uneven, the heating film on the heating body structure is easy to break or lift, and the service life of the heating body structure is further influenced.
Disclosure of Invention
The embodiment of the utility model provides a heating element structure and an electronic atomization device, and aims to solve the problem that a heating film on the heating element structure in the prior art is heated unevenly.
In order to achieve the above object, a first aspect of the present utility model provides a heat generating body structure comprising: a microstructured substrate and a heat generating film; the heating film is arranged on the microstructure substrate; the heating film comprises a first electrode, a resistance heating section and a second electrode; the first electrode, the resistance heating section and the second electrode are sequentially arranged from left to right; the first electrode, the resistance heating section and the second electrode are integrally connected; the resistance heating section comprises an arc pipeline assembly and a linear pipeline assembly; the circular arc pipeline assembly and the linear pipeline assembly are integrally connected; the linear pipeline assembly comprises a first linear pipeline, a second linear pipeline and a third linear pipeline; wherein the distance between the first linear pipeline and the first electrode is equal to the distance between the third linear pipeline and the second electrode; the distance between the first linear pipeline and the second linear pipeline is equal to the distance between the second linear pipeline and the third linear pipeline.
Further, the circular arc pipeline assembly comprises a first circular arc pipeline, a second circular arc pipeline, a third circular arc pipeline and a fourth circular arc pipeline; one end of the first circular arc pipeline is connected with the first electrode, and the other end of the first circular arc pipeline is connected with the first straight pipeline; one end of the second circular arc pipeline is connected with the first linear pipeline, and the other end of the second circular arc pipeline is connected with the second linear pipeline; one end of the third circular arc pipeline is connected with the second straight pipeline, and the other end of the third circular arc pipeline is connected with the third straight pipeline; one end of the fourth circular arc pipeline is connected with the third linear pipeline, and the other end of the fourth circular arc pipeline is connected with the second electrode.
Further, the first circular arc pipeline, the first straight line pipeline, the second circular arc pipeline, the second straight line pipeline, the third circular arc pipeline, the third straight line pipeline and the fourth circular arc pipeline are equal in pipeline width.
Further, the first electrode and the second electrode are symmetrically arranged on the same plane of the microstructure substrate; and the widths of the first electrode and the second electrode are equal.
Further, a vertical distance between a highest point of the third circular arc pipe and a lowest point of the second circular arc pipe is equal to a width of the first electrode and the second electrode; or the vertical distance between the highest point of the third circular arc pipeline and the lowest point of the second circular arc pipeline is larger than the widths of the first electrode and the second electrode; or the vertical distance between the highest point of the third circular arc pipeline and the lowest point of the second circular arc pipeline is smaller than the widths of the first electrode and the second electrode.
Further, the microstructure substrate is porous ceramic; the pore diameter of the micropores on the porous ceramic is 10-100 mu m.
Further, the upper surface of the microstructure substrate is an atomization surface; the first electrode, the resistance heating section and the second electrode are arranged on the atomizing surface.
Further, the lower surface of the microstructure substrate is a liquid guiding surface; the liquid guiding surface is used for conducting the atomized liquid to the atomization surface for heating and atomization.
Further, the ratio of the length of the resistance heating section to the length of the atomizing surface is in the range of 0.25-0.6.
In a second aspect of the present utility model, there is provided an electronic atomizing device, including the heating element structure according to the first aspect, and further including a power supply assembly and a liquid storage chamber connected to the heating element structure; one end of the power supply component is electrically connected with the first electrode, and the other end of the power supply component is electrically connected with the second electrode; the liquid storage cavity is arranged below the heating body structure.
The embodiment of the utility model provides a heating element structure and an electronic atomization device, wherein the heating element structure comprises: a microstructured substrate and a heat generating film; the heating film is arranged on the microstructure substrate; the heating film comprises a first electrode, a resistance heating section and a second electrode; the first electrode, the resistance heating section and the second electrode are sequentially arranged from left to right; the first electrode, the resistance heating section and the second electrode are integrally connected; the resistance heating section comprises an arc pipeline assembly and a linear pipeline assembly; the circular arc pipeline assembly and the linear pipeline assembly are integrally connected; the linear pipeline assembly comprises a first linear pipeline, a second linear pipeline and a third linear pipeline; wherein the distance between the first linear pipeline and the first electrode is equal to the distance between the third linear pipeline and the second electrode; the distance between the first linear pipeline and the second linear pipeline is equal to the distance between the second linear pipeline and the third linear pipeline. Thereby solve the heating element structure and generate heat the inhomogeneous heating membrane that leads to of membrane rupture or the problem of raising of membrane, and then improve the life of heating element structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a heat-generating body structure provided by an embodiment of the present utility model;
FIG. 2 is a top view of a heating element structure according to an embodiment of the present utility model;
FIG. 3 is another top view of a heat-generating body structure provided by an embodiment of the present utility model;
FIG. 4 is a top view showing a heating element structure according to an embodiment of the present utility model;
FIG. 5 is a front view of a heat-generating body structure provided by an embodiment of the present utility model;
FIG. 6 is a top view showing a heat-generating body structure according to another embodiment of the present utility model;
FIG. 7 is a plan view showing a heat-generating body structure according to still another embodiment of the present utility model;
fig. 8 is a schematic block diagram of an electronic atomization device according to an embodiment of the present utility model.
Wherein, each reference sign is as follows in the figure:
100. an electronic atomizing device; 101. a heating element structure; 1. a microstructured substrate; 11. an atomizing surface; 12. a liquid guiding surface; 2. a heat generating film; 21. a first electrode; 22. a resistance heating section; 221. an arc tube assembly; 2211. a first circular arc pipe; 2212. a second circular arc pipe; 2213. a third circular arc pipe; 2214. a fourth arc tube; 222. a linear conduit assembly; 2221. a first straight line pipe; 2222. a second straight line pipe; 2223. a third straight line pipe; 23. a second electrode; 102. a power supply assembly; 103. a liquid storage cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1-5, the present utility model provides a heating element structure 101, comprising: a microstructure substrate 1 and a heat generating film 2; the heating film 2 is arranged on the microstructure substrate 1; the heating film 2 comprises a first electrode 21, a resistance heating section 22 and a second electrode 23; the first electrode 21, the resistance heating section 22 and the second electrode 23 are sequentially arranged from left to right; and the first electrode 21, the resistance heating section 22 and the second electrode 23 are integrally connected; the resistance heating section 22 comprises a circular arc pipeline assembly 221 and a linear pipeline assembly 222; the circular arc pipe assembly 221 and the linear pipe assembly 222 are integrally connected; the linear conduit assembly 222 includes a first linear conduit 2221, a second linear conduit 2222, and a third linear conduit 2223; wherein the first linear pipe 2221 is spaced from the first electrode 21 by a distance equal to the third linear pipe 2223 is spaced from the second electrode 23; the distance between the first straight line pipe 2221 and the second straight line pipe 2222 is equal to the distance between the second straight line pipe 2222 and the third straight line pipe 2223.
In the present embodiment, the heat generating body structure 101 is applied to an aerosol generating device. The heat generating body structure 101 includes a microstructure substrate 1 for conducting an atomized liquid, and a heat generating film 2 for atomizing and heating the atomized liquid. The total length L14 of the heating film 2 after extension is preferably 5-20 mm; and the thickness L7 thereof is preferably 0.03 to 0.15mm, and the thickness L8 of the microstructure substrate 1 is preferably 2 to 6mm; and the heating film 2 is located on the upper surface of the microstructure substrate 1 so that the heating film 2 brings the atomized liquid after heating and atomization to the outside of the aerosol generating device. In addition, the heating film 2 is divided into an electrode region and a resistance heating section 22; the electrode region includes a first electrode 21 and a second electrode 23; the resistance heating section 22 is arranged in the middle area of the first electrode 21 and the second electrode 23; and the first electrode 21, the second electrode 23 and the resistance heating section 22 are integrally formed. The resistance heating section 22 is composed of an arc pipeline component 221 and a linear pipeline component 222, and the arc pipeline component 221 and the linear pipeline component 222 are connected by a tangent line, so that when the heating film 2 is in a heating state, the thermal stress formed by cold and hot impact can be weakened through the tangent line, and the heating film 2 is prevented from breaking or tilting. Wherein the linear conduit assembly 222 includes a first linear conduit 2221, a second linear conduit 2222, and a third linear conduit 2223; a distance L10 between the first straight line pipe 2221 and the first electrode 21 is equal to a distance L13 between the third straight line pipe 2223 and the second electrode 23, and a distance L11 between the first straight line pipe 2221 and the second straight line pipe 2222 is equal to a distance L12 between the second straight line pipe 2222 and the third straight line pipe 2223; preferably, the distance between the first linear pipeline 2221 and the first electrode 21, the distance between the third linear pipeline 2223 and the second electrode 23, the distance between the first linear pipeline 2221 and the second linear pipeline 2222 and the distance between the second linear pipeline 2222 and the third linear pipeline 2223 are all 0.3-1.5 mm, so that the distance between the first linear pipeline 2221 and the first electrode 21, the distance between the third linear pipeline 2223 and the second electrode 23, the distance between the first linear pipeline 2221 and the second linear pipeline 2222 and the distance between the second linear pipeline 2222 and the third linear pipeline 2223 are set, so that all components on the heating film 2 are heated uniformly, excessive concentration of heat of part of the components is avoided, atomization of atomized liquid is insufficient, and the using taste of a user is affected.
In one embodiment, as shown in fig. 1-2, the arcuate conduit assembly 221 includes a first arcuate conduit 2211, a second arcuate conduit 2212, a third arcuate conduit 2213, and a fourth arcuate conduit 2214; one end of the first arc tube 2211 is connected to the first electrode 21, and the other end of the first arc tube 2211 is connected to the first straight tube 2221; one end of the second circular arc pipe 2212 is connected to the first straight pipe 2221, and the other end of the second circular arc pipe 2212 is connected to the second straight pipe 2222; one end of the third circular arc tube 2213 is connected to the second straight tube 2222, and the other end of the third circular arc tube 2213 is connected to the third straight tube 2223; one end of the fourth arc tube 2214 is connected to the third straight tube 2223, and the other end of the fourth arc tube 2214 is connected to the second electrode 23.
In the present embodiment, the arc tube assembly 221 includes at least a first arc tube 2211, a second arc tube 2212, a third arc tube 2213, and a fourth arc tube 2214; wherein, one end of the first arc tube 2211 is connected with the first electrode 21, and the other end of the first arc tube 2211 is connected with the first straight tube 2221; one end of the second circular arc tube 2212 is connected with the first straight tube 2221, and the other end of the second circular arc tube 2212 is connected with the second straight tube 2222; one end of the third circular arc tube 2213 is connected to the second straight tube 2222, and the other end of the third circular arc tube 2213 is connected to the third straight tube 2223; one end of the fourth circular arc tube 2214 is connected to the third straight tube 2223, and the other end of the fourth circular arc tube 2214 is connected to the second electrode 23. Thus, the resistance heating section 22 is provided with the first arc tube 2211 and the fourth arc tube 2214 with non-zero curvature at the parts close to the first electrode 21 and the second electrode 23, so that the internal tensile stress formed by cold-hot impact difference is eliminated, and the heating film 2 is prevented from being broken or tilted under the cold-hot circulation.
In an embodiment, as shown in fig. 2-3, the first circular arc pipe 2211, the first straight pipe 2221, the second circular arc pipe 2212, the second straight pipe 2222, the third circular arc pipe 2213, the third straight pipe 2223, and the fourth circular arc pipe 2214 have equal pipe widths.
In the present embodiment, the widths of the first circular arc tube 2211, the second circular arc tube 2212, the third circular arc tube 2213 and the fourth circular arc tube 2214 on the circular arc tube assembly 221 are substantially identical to the widths L9 of the first straight tube 2221, the second straight tube 2222 and the third straight tube 2223 on the straight tube assembly 222 in size, so that the heated areas of the respective tube assemblies are uniformly distributed.
In one embodiment, as shown in fig. 1 and 2, the first electrode 21 and the second electrode 23 are symmetrically disposed on the same plane of the microstructure substrate 1; and the widths of the first electrode 21 and the second electrode 23 are equal.
In the present embodiment, the width dimensions of the first electrode 21 and the second electrode 23 are uniform; the shapes of the first electrode 21 and the second electrode 23 are substantially square, and may be other shapes such as circular in other embodiments, and are not particularly limited herein. In addition, the first electrode 21 and the second electrode 23 are disposed on both sides of the same plane of the microstructure substrate 1, and the first electrode 21 and the second electrode 23 are symmetrically disposed. Preferably, the first electrode 21 and the second electrode 23 are electrically connected with the power supply component to be connected through welding leads or electrode jacking and the like, so that the resistance heating section 22 is conducted and supplied with power, and further, the heating of the heating film 2 is realized.
In an embodiment, as shown in fig. 1-2, 4 and 6-7, the vertical distance between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 is equal to the widths of the first electrode 21 and the second electrode 23; or the vertical distance between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 is larger than the widths of the first electrode 21 and the second electrode 23; or the vertical distance between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 is smaller than the widths of the first electrode 21 and the second electrode 23.
In the present embodiment, a vertical distance L4 between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 in the resistance heating section 22 may be equal to or greater than or less than the widths of the first electrode 21 and the second electrode 23; wherein, when the vertical distance L4 between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 is greater than the widths of the first electrode 21 and the second electrode 23, the difference between the vertical distance L4 between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 and the widths of the first electrode 21 and the second electrode 23 is in the range of 0.4 to 2 mm; when the vertical distance L4 between the highest point of the third circular arc pipe 2213 and the lowest point of the second circular arc pipe 2212 is smaller than the widths of the first electrode 21 and the second electrode 23, the difference in the vertical distance L4 between the highest point of the third circular arc pipe 2213 and the lowest point of the second circular arc pipe 2212 and the widths of the first electrode 21 and the second electrode 23 is in the range of 0.4 to 2 mm; and as long as the difference between the two is within the specified range, the heating area of the resistance heating section 22 can be reasonably increased or reduced according to the self-requirement.
In one embodiment, as shown in fig. 1, the microstructure substrate 1 is a porous ceramic; the pore diameter of the micropores on the porous ceramic is 10-100 mu m.
In this embodiment, the microstructure substrate 1 is generally made of at least one of porous ceramics of different systems such as silicon-based porous ceramics, aluminum-based porous ceramics, diatomaceous earth ceramics, and different materials such as porous metals, wherein the pore size of the micropores on the microstructure substrate 1 is preferably 10 to 100 μm. The micro-holes on the microstructure substrate 1 can realize that atomized liquid is conducted to the heating film 2 for heating and atomization.
In one embodiment, as shown in fig. 1 and fig. 4-5, the upper surface of the microstructure substrate 1 is an atomization surface 11; the first electrode 21, the resistance heating section 22 and the second electrode 23 are arranged on the atomizing face 11.
In this embodiment, the atomizing surface 11 is disposed on the upper surface of the microstructure substrate 1, and a first electrode 21, a resistance heating section 22, and a second electrode 23 are disposed thereon; preferably, the length L1 of the atomizing face 11 is in the range of 6 to 15mm, and the width L2 of the atomizing face 11 is in the range of 2 to 6 mm. The atomized liquid can be heated and atomized to generate aerosol through the resistance heating section 22 by the atomizing surface 11.
In one embodiment, as shown in fig. 1 and 5, the lower surface of the microstructure substrate 1 is a liquid guiding surface 12; the liquid guiding surface 12 is used for conducting the atomized liquid to the atomization surface 11 for heating and atomization.
In the present embodiment, the liquid guiding surface 12 is disposed on the lower surface of the microstructure substrate 1; the atomized liquid can be conducted to the atomization surface 11 through the liquid guiding surface 12, and is heated and atomized through the heating film 2 arranged on the atomization surface 11.
In one embodiment, as shown in fig. 1-2 and 4-5, the ratio of the length of the resistance heating section 22 to the atomizing face 11 ranges from 0.25 to 0.6.
In the present embodiment, the heat generating film 2 is provided on the atomizing face 11; wherein the length of the resistance heating section 22 on the heating film 2 is smaller than the length of the atomizing surface 11; preferably, the ratio of the length L3 of the resistance heating section 22 to the length L1 of the atomizing face 11 is in the range of 0.25-0.6, and the ratio of the vertical distance L4 between the highest point of the third circular arc tube 2213 and the lowest point of the second circular arc tube 2212 on the resistance heating section 22 to the width L2 of the atomizing face 11 is in the range of 0.4-0.8.
Referring to fig. 1, 5 and 8, the present utility model proposes an electronic atomizing device 100, which is characterized by comprising a heating element structure 101 as described above, and further comprising a power supply assembly 102 and a liquid storage cavity 103 connected with the heating element structure 101; one end of the power supply assembly 102 is electrically connected with the first electrode 21, and the other end of the power supply assembly 102 is electrically connected with the second electrode 23; the liquid storage cavity 103 is disposed below the heating element structure 101.
In this embodiment, the electronic atomization device 100 mainly includes a heating element structure 101, a power supply assembly 102 connected with the heating element structure 101, and a liquid storage cavity 103; one end of the power supply assembly 102 is electrically connected with the first electrode 21 on the heating element structure 101, and the other end of the power supply assembly 102 is electrically connected with the second electrode 23 on the heating element structure 101, so that power supply for the heating film 2 is realized; the liquid storage cavity 103 is used for storing atomized liquid, and is arranged below the liquid guiding surface 12 in the heating body structure 101. When the electronic atomization device 100 works normally, atomized liquid in the liquid storage cavity 103 is conducted to the heating film 2 on the atomization surface 11 through the liquid guiding surface 12 of the microstructure substrate 1 and the porous structure of the microstructure substrate, so that heating atomization of the atomized liquid is realized.
The embodiment of the utility model provides a heating element structure and an electronic atomization device, wherein the heating element structure comprises: a microstructured substrate and a heat generating film; the heating film is arranged on the microstructure substrate; the heating film comprises a first electrode, a resistance heating section and a second electrode; the first electrode, the resistance heating section and the second electrode are sequentially arranged from left to right and are integrally connected; the resistance heating section comprises an arc pipeline assembly and a linear pipeline assembly; the circular arc pipeline component and the linear pipeline component are integrally connected; the linear pipeline assembly comprises a first linear pipeline, a second linear pipeline and a third linear pipeline; the distance between the first linear pipeline and the first electrode is equal to the distance between the third linear pipeline and the second electrode; the distance between the first linear pipeline and the second linear pipeline is equal to the distance between the second linear pipeline and the third linear pipeline. Thereby solve the heating element structure and generate heat the inhomogeneous heating membrane that leads to of membrane rupture or the problem of raising of membrane, and then improve the life of heating element structure.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A heat-generating body structure, characterized by comprising: a microstructured substrate and a heat generating film; the heating film is arranged on the microstructure substrate;
the heating film comprises a first electrode, a resistance heating section and a second electrode; the first electrode, the resistance heating section and the second electrode are sequentially arranged from left to right; the first electrode, the resistance heating section and the second electrode are integrally connected;
the resistance heating section comprises an arc pipeline assembly and a linear pipeline assembly; the circular arc pipeline assembly and the linear pipeline assembly are integrally connected;
the linear pipeline assembly comprises a first linear pipeline, a second linear pipeline and a third linear pipeline; wherein the distance between the first linear pipeline and the first electrode is equal to the distance between the third linear pipeline and the second electrode; the distance between the first linear pipeline and the second linear pipeline is equal to the distance between the second linear pipeline and the third linear pipeline.
2. A heat generating body structure as recited in claim 1, wherein said arc tube assembly comprises a first arc tube, a second arc tube, a third arc tube and a fourth arc tube;
one end of the first circular arc pipeline is connected with the first electrode, and the other end of the first circular arc pipeline is connected with the first straight pipeline;
one end of the second circular arc pipeline is connected with the first linear pipeline, and the other end of the second circular arc pipeline is connected with the second linear pipeline;
one end of the third circular arc pipeline is connected with the second straight pipeline, and the other end of the third circular arc pipeline is connected with the third straight pipeline;
one end of the fourth circular arc pipeline is connected with the third linear pipeline, and the other end of the fourth circular arc pipeline is connected with the second electrode.
3. The heat-generating body structure according to claim 2, wherein the first circular arc pipe, the first straight pipe, the second circular arc pipe, the second straight pipe, the third circular arc pipe, the third straight pipe, and the fourth circular arc pipe are equal in pipe width.
4. A heat-generating body structure as described in claim 2, wherein said first electrode and said second electrode are symmetrically disposed on the same plane of said microstructured substrate; and the widths of the first electrode and the second electrode are equal.
5. A heat-generating body structure as described in claim 4, wherein a vertical distance between a highest point of the third circular arc pipe and a lowest point of the second circular arc pipe is equal to widths of the first electrode and the second electrode;
or the vertical distance between the highest point of the third circular arc pipeline and the lowest point of the second circular arc pipeline is larger than the widths of the first electrode and the second electrode;
or the vertical distance between the highest point of the third circular arc pipeline and the lowest point of the second circular arc pipeline is smaller than the widths of the first electrode and the second electrode.
6. A heat-generating body structure as described in claim 1, wherein the microstructure substrate is a porous ceramic; the pore diameter of the micropores on the porous ceramic is 10-100 mu m.
7. A heat-generating body structure as described in claim 4, wherein the upper surface of the microstructured substrate is an atomized surface; the first electrode, the resistance heating section and the second electrode are arranged on the atomizing surface.
8. A heat-generating body structure as described in claim 7, wherein the lower surface of the microstructured substrate is a liquid guiding surface; the liquid guiding surface is used for conducting the atomized liquid to the atomization surface for heating and atomization.
9. A heat-generating body structure as described in claim 7, wherein a ratio of the length of said resistance heating section to the length of said atomizing face is in the range of 0.25 to 0.6.
10. An electronic atomizing device, characterized by comprising a heating body structure according to any one of claims 1 to 9, and further comprising a power supply assembly and a liquid storage cavity connected with the heating body structure; one end of the power supply component is electrically connected with the first electrode, and the other end of the power supply component is electrically connected with the second electrode; the liquid storage cavity is arranged below the heating body structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320870137.7U CN220004621U (en) | 2023-04-11 | 2023-04-11 | Heating element structure and electronic atomization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320870137.7U CN220004621U (en) | 2023-04-11 | 2023-04-11 | Heating element structure and electronic atomization device |
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| CN220004621U true CN220004621U (en) | 2023-11-14 |
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| CN202320870137.7U Active CN220004621U (en) | 2023-04-11 | 2023-04-11 | Heating element structure and electronic atomization device |
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| Country | Link |
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