CN220557429U - Aerosol generating device and heating element - Google Patents
Aerosol generating device and heating element Download PDFInfo
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- CN220557429U CN220557429U CN202322126393.8U CN202322126393U CN220557429U CN 220557429 U CN220557429 U CN 220557429U CN 202322126393 U CN202322126393 U CN 202322126393U CN 220557429 U CN220557429 U CN 220557429U
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- heating
- heating element
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- heating body
- aerosol
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 161
- 239000000443 aerosol Substances 0.000 title claims abstract description 38
- 230000003247 decreasing effect Effects 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000004308 accommodation Effects 0.000 claims description 6
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 23
- 238000000605 extraction Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 241000208125 Nicotiana Species 0.000 description 6
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
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- Resistance Heating (AREA)
Abstract
An aerosol-generating device and a heating element comprising a heating body having a first end and a second end in a length direction, the heating body increasing in cross-sectional dimension from the first end toward the second end; the heating body is of a multi-section structure, the multi-section structure comprises at least two sections, and the increasing rate of the cross section size of each section in the heating body is decreased towards the direction of the second end. Compared with the prior art, the aerosol production device and the heating element can be applied to conventional heating cigarettes, and friction force born in the process of inserting or extracting the cigarettes can be reduced.
Description
Technical Field
The present application relates to the technical field of tobacco smoking articles, and more particularly to an aerosol-generating device and a heating element.
Background
Aerosol-generating devices are typically configured to include a receiving cavity that receives an aerosol-substrate-generated consumable (e.g., a cigarette comprising a wrapper surrounding a tobacco rod) from which the consumable may be removed and replaced with a new consumable after use of the consumable or depletion of the aerosol-generating substrate.
Aerosol-generating devices currently often employ a heating element inserted into a consumable such that the heating element contacts an aerosol-generating substrate within the consumable, the heating element generating aerosol substrate for the user to draw by heat, the heating element currently typically being a heat-generating needle, but after the draw is completed, the heating element tends to carry the tobacco rod out of the cavity so that the tobacco rod falls within the receiving cavity, affecting subsequent use.
The prior art has improved the structure of the cigarette and the porosity of the distribution of aerosol-generating substrate in the cigarette, so as to reduce the friction between the heating element and the aerosol-generating substrate in the consumable, but the prior art is only used in the improved consumable, and has little effect on the conventional consumable.
Accordingly, there is a need for an aerosol-generating device and heating element that is suitable for use in conventional heated cigarettes and that reduces the frictional forces experienced during insertion or extraction of the cigarettes.
Disclosure of Invention
In order to solve the technical problems, the application provides an aerosol generating device and a heating element, which can be applied to conventional heating cigarettes and can reduce friction force applied to the cigarette in the inserting or extracting process.
The technical scheme provided by the application is as follows:
a heating element comprising a heating body having a first end and a second end in a length direction, the heating body increasing in cross-sectional dimension from the first end toward the second end;
the heating body is of a multi-section structure, the multi-section structure comprises at least two sections, and the increasing rate of the cross section size of each section in the heating body is decreased towards the direction of the second end.
Preferably, the cross-sectional shape of the heating body is in particular rectangular or circular.
Preferably, the heating body includes a penetrating portion and a heating portion disposed in order from the first end toward the second end;
wherein the maximum cross-sectional dimension of the piercing portion is 10% to 40% of the diameter of the aerosol matrix segment of the consumable to be heated and the maximum cross-sectional dimension of the heating portion is 20% to 70% of the diameter of the aerosol matrix segment.
Preferably, the maximum cross-sectional dimension of the piercing section is in particular 1.5mm in diameter; the maximum cross-sectional dimension of the heating portion is specifically 2.8mm in diameter.
Preferably, the length of the heating body is greater than 70% of the length of the aerosol matrix segment and less than the length of the aerosol matrix segment; the length of the piercing portion is no more than 30% of the length of the heating body.
Preferably, the length of the heating body is specifically 11.5mm; the length of the piercing section is specifically 1.5mm.
Preferably, the method further comprises:
and a resistance heating circuit or an infrared heating material coated on the outer surface of the heating part.
Preferably, the method comprises the steps of,
the heating body is specifically an integrally formed structure of ferromagnetic materials.
Preferably, the method further comprises:
and the temperature sensor is arranged at the second end of the heating body and is used for measuring the temperature.
An aerosol-generating device comprising:
the base, base upper portion is equipped with the accommodation chamber that holds the consumable that waits to heat, the top of accommodation chamber is provided with the opening, the bottom of accommodation chamber is equipped with the heating element of above-mentioned arbitrary one.
According to the heating element provided by the utility model, firstly, the heating body is provided with the first end and the second end in the length direction, the cross section of the heating body is gradually increased from the first end to the second end, on one hand, when the first end of the heating element is inserted into a consumable, the insertion resistance of the heating element is gradually increased from small, the heating element is easier to be inserted into the consumable, on the other hand, the cross section of the heating element close to the second end is gradually increased, the aerosol generating substrate close to the bottom of the consumable is more tightly extruded by the heating element, and when the consumable is used or the aerosol generating substrate is exhausted, the friction force between the consumable and the heating element is gradually reduced, and the aerosol generating substrate close to the bottom of the consumable is not easy to adhere to the heating element, so that the aerosol generating substrate is prevented from scattering in the accommodating cavity, and the complete extraction of the consumable is facilitated. Secondly, the heating body is specifically a multi-section structure, the multi-section structure comprises at least two sections, the section increasing speed of each section in the heating body is gradually decreased towards the direction of the second section, the section increasing speed of the first section of the heating body, which is close to the first end, is maximum, the taper of the first section is larger, so that the consumable is easier to insert into the heating element, the section increasing speed of the consumable is gradually decreased towards the direction away from the first end, and the taper is slowed down, so that the limitation of the length and the radial dimension of the heating element is met. Therefore, compared with the prior art, the heating element provided by the embodiment of the utility model can be suitable for conventional consumables, can reduce friction force applied to the consumable in the process of inserting or extracting the consumable, prevents aerosol generating matrixes from being scattered in the accommodating cavity when the consumable is extracted, and is beneficial to complete extraction of the consumable.
The utility model also provides an aerosol-generating device comprising the heating element, which can produce the same effect and is not described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first configuration of a heating element according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a first configuration of the section A-A of FIG. 1;
FIG. 3 is a schematic view of a second construction of the section A-A of FIG. 1;
FIG. 4 is a schematic diagram of a second configuration of a heating element according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of an aerosol-generating device according to an embodiment of the present utility model.
Reference numerals: 1. heating the body; 2. a penetrating portion; 3. a heating section; 4. a temperature sensor; 10. a base; 20. a consumable to be heated; 30. a receiving chamber; 40. a power supply; 50. an electrical system; 60. a heating element; 70. aerosol matrix segments.
Detailed Description
In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
The embodiment of the utility model is written in a progressive manner.
As shown in fig. 1 to 4, the embodiment of the present utility model provides a heating element, which comprises a heating body 1, wherein the heating body 1 has a first end and a second end along the length direction, and the cross section of the heating body 1 increases in size from the first end towards the second end; the heating body 1 is a multi-section structure, the multi-section structure comprises at least two sections, and the increasing rate of the cross section size of each section in the heating body 1 is decreased towards the direction of the second end.
The prior art is not applicable to conventional consumables by merely improving the structure of the consumables.
It should be noted that, when the consumable in the embodiments of the present utility model is specifically a cigarette, the aerosol-generating substrate in the embodiments of the present utility model refers to a tobacco segment of the cigarette, and the tobacco segment is heated by heating the heating body to generate aerosol for the user to inhale.
According to the heating element provided by the utility model, firstly, due to the arrangement of the heating body 1, the heating body 1 is provided with the first end and the second end in the length direction, the cross section size of the heating body 1 is gradually increased from the first end to the second end, on one hand, when the first end of the heating element is inserted into a consumable, the insertion resistance of the heating element is gradually increased from small, the heating element is easier to insert into the consumable, on the other hand, the cross section size of the heating element close to the second end is gradually increased, the aerosol generating substrate close to the bottom of the consumable is more compact when being extruded by the heating element, and when the consumable is used or the aerosol generating substrate is exhausted, the friction force between the consumable and the heating element is gradually reduced, and the aerosol generating substrate close to the bottom of the consumable is not easy to adhere to the heating element, so that the aerosol generating substrate is prevented from scattering in the accommodating cavity 30, and the complete extraction of the consumable is facilitated. Secondly, the heating body 1 is specifically a multi-section structure, the multi-section structure comprises at least two sections, the section increasing rate of each section in the heating body 1 is gradually decreased towards the direction of the second section, the section increasing rate of the first section of the heating body 1 close to the first end is maximum, the taper of the first section is larger, so that the consumable is easier to insert into the heating element, the section increasing rate of the consumable is gradually decreased towards the direction far away from the first end, and the taper is slowed down, so that the limitation of the length and the radial dimension of the heating element is met. Therefore, compared with the prior art, the heating element provided by the embodiment of the utility model can be suitable for conventional consumables, can reduce friction force applied to the consumable during insertion or extraction, and can prevent aerosol generating substrates from being scattered in the accommodating cavity 30 when the consumable is extracted, so that the complete extraction of the consumable is facilitated.
In the above structure, as one of the embodiments, the first section of the heating body 1 near the first end in the embodiment of the present utility model is specifically a closed needle structure, wherein the consumable product is more convenient to be inserted into the heating element, and the friction force applied to the consumable product during the insertion is smaller.
In the above-described structure, as shown in fig. 2 and 3, as one embodiment, the cross-sectional shape of the heating body 1 in the embodiment of the present utility model is specifically rectangular or circular.
Still further, as one of the embodiments, the heating body 1 in the embodiment of the present utility model includes the penetrating portion 2 and the heating portion 3 sequentially disposed from the first end toward the second end, wherein the maximum cross-sectional dimension of the penetrating portion 2 is specifically 10% to 40% of the diameter of the aerosol matrix section 70 of the consumable 20 to be heated, and the maximum cross-sectional dimension of the heating portion 3 is 20% to 70% of the diameter of the aerosol matrix section 70. Wherein, the tapering of penetrating portion 2 is great, and penetrating portion 2 is convenient for the insertion of consumable, and the tapering of heating portion 3 is less, increases the area of contact of heating portion 3 and aerosol matrix, heats the consumable through heating portion 3 generates heat for aerosol matrix can fully burn.
In the above-described structure, as a specific embodiment, the maximum cross-sectional dimension of the piercing portion 2 in the example of the present utility model is specifically 1.5mm in diameter, and the maximum cross-sectional dimension of the heating portion 3 is specifically 2.8mm in diameter.
Still further, in the embodiment of the present utility model, the length of the heating body 1 is greater than 70% of the length of the aerosol matrix section 70, and the length of the heating body 1 is smaller than the length of the aerosol matrix section 70, so that the heating body 1 can be more stable after being inserted into a consumable, and the heating body 1 can fully heat the aerosol matrix section 70 without affecting other parts of the consumable. Further, in the embodiment of the present utility model, the length of the penetrating segment does not exceed 30% of the length of the heating body 1, the length of the penetrating portion 2 is shorter, the taper is larger, so that the heating element can smoothly penetrate into the consumable, the heating portion 3 is a heating body, the cross-sectional area of the heating portion 3 is increased, the heating area is gradually increased, when the consumable is pulled out, the resistance between the aerosol substrate and the heating portion 3 is gradually reduced, the aerosol substrate near the bottom of the consumable is more compact when being extruded, the aerosol substrate near the bottom is not easy to adhere to the heating element, and the aerosol substrate is scattered out to a certain extent, so that the complete pulling-out of the consumable is facilitated.
More specifically, the length of the heating body in the embodiment of the utility model is specifically 11.5mm; the length of the piercing section 2 is specifically 1.5mm.
In the above-described structure, the piercing portion 2 and the heating portion 3 in the embodiment of the present utility model are specifically an integrally molded structure. Further, the piercing portion 2 in the embodiment of the present utility model is specifically a one-stage structure or a multi-stage structure, wherein the multi-stage structure includes at least two stages, and the heating portion 3 in the embodiment of the present utility model is specifically a one-stage structure or a multi-stage structure, wherein the multi-stage structure includes at least two stages. In the embodiment of the present utility model, the penetrating portion 2 in fig. 1 is specifically a one-stage structure, the heating portion is specifically a two-stage structure, the penetrating portion 2 in fig. 4 is specifically a one-stage structure, and the heating portion is specifically a one-stage structure.
In the above-described structure, as one of the embodiments, the heating element in the embodiment of the present utility model further includes a resistance heat generating circuit or an infrared heat generating material coated on the outer surface of the heating portion 3. In the present embodiment, the aerosol substrate is heated mainly by the heating section 3.
In the above-described structure, as another implementation manner, the heating element in the embodiment of the present utility model is integrally formed by using a ferromagnetic material, and is integrally heated in cooperation with an alternating magnetic field generator in the aerosol generating device.
In the above-described structure, as one of the embodiments, the heating element in the embodiment of the present utility model further includes the temperature sensor 4, wherein the temperature sensor 4 is provided at the second end of the heating body 1, and the temperature of the heating body 1 is measured by the temperature sensor 4.
Further, the second end of the heating body 1 in the embodiment of the present utility model is further provided with a mounting groove for placing the temperature sensor 4, so as to avoid the temperature sensor 4 from being extruded during mounting.
As shown in fig. 5, the present utility model further provides an aerosol-generating device, which comprises a base 10, a housing chamber 30 for accommodating a consumable 20 to be heated is provided on the base 10, an opening is provided at the top of the housing chamber 30, and the heating element 60 is provided at the bottom of the housing chamber 30. In use, the consumable 20 to be heated is placed into the receiving cavity 30 and the first end of the heating element 60 is inserted into the aerosol-generating substrate of the consumable 20 to be heated, the aerosol-generating substrate being heated by the heating element 60 itself, and the aerosol-generating effect being better. Due to the heating element 60, the aerosol-generating device with the heating element 60 can be applied to conventional consumables, friction force applied to the consumable during insertion or extraction can be reduced, the aerosol-generating substrate is prevented from being scattered in the accommodating cavity 30 when the consumable is extracted, and complete extraction of the consumable is facilitated.
In the above structure, as one of the implementation manners, the aerosol-generating device according to the embodiment of the present utility model further includes the power source 40 and the electrical system 50, where the power source 40 is electrically connected to the electrical system 50, and the electrical system 50 is electrically connected to the heating element 60.
Further, the heating element 60 in the embodiment of the present utility model is provided with the temperature sensor 4, and the temperature sensor 4 is electrically connected with the electrical system 50, when the temperature of the heating element 60 detected by the temperature sensor 4 is too high, the heating element 60 stops continuously heating, and when the temperature of the heating element 60 detected by the temperature sensor 4 is too low, the heating element 60 continues heating.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A heating element, characterized by comprising a heating body (1), the heating body (1) having a first end and a second end in a length direction, the cross-sectional dimension of the heating body (1) increasing from the first end towards the second end;
the heating body (1) is of a multi-section structure, the multi-section structure comprises at least two sections, and the increasing rate of the cross section size of each section in the heating body (1) is decreased towards the direction of the second end.
2. A heating element as claimed in claim 1, wherein,
the cross section of the heating body (1) is particularly rectangular or circular.
3. A heating element as claimed in claim 2, wherein,
the heating body (1) comprises a penetrating part (2) and a heating part (3) which are sequentially arranged from the first end towards the second end;
wherein the maximum cross-sectional dimension of the piercing portion (2) is 10% to 40% of the diameter of the aerosol matrix section of the consumable to be heated, and the maximum cross-sectional dimension of the heating portion (3) is 20% to 70% of the diameter of the aerosol matrix section.
4. A heating element according to claim 3, wherein,
the maximum cross-sectional dimension of the piercing section (2) is in particular 1.5mm in diameter; the maximum cross-sectional dimension of the heating portion (3) is specifically 2.8mm in diameter.
5. A heating element according to claim 3, wherein,
the length of the heating body (1) is greater than 70% of the length of the aerosol matrix segment and less than the length of the aerosol matrix segment; the length of the piercing section (2) is not more than 30% of the length of the heating body (1).
6. A heating element as claimed in claim 5, wherein,
the length of the heating body (1) is specifically 11.5mm; the length of the piercing portion (2) is specifically 1.5mm.
7. A heating element according to any one of claims 3 to 6,
further comprises:
a resistance heating circuit or an infrared heating material coated on the outer surface of the heating part (3).
8. A heating element according to any one of claims 1 to 6,
the heating body (1) is specifically of an integrally formed structure of ferromagnetic materials.
9. A heating element according to any one of claims 1 to 6,
further comprises:
and a temperature sensor (4) arranged at the second end of the heating body (1) and used for measuring the temperature.
10. An aerosol-generating device, comprising:
a base (10), the upper portion of base (10) is equipped with accommodation chamber (30) that holds to wait to heat consumable (20), the top of accommodation chamber (30) is provided with the opening, the bottom of accommodation chamber (30) is equipped with the heating element of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322126393.8U CN220557429U (en) | 2023-08-08 | 2023-08-08 | Aerosol generating device and heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322126393.8U CN220557429U (en) | 2023-08-08 | 2023-08-08 | Aerosol generating device and heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220557429U true CN220557429U (en) | 2024-03-08 |
Family
ID=90101144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322126393.8U Active CN220557429U (en) | 2023-08-08 | 2023-08-08 | Aerosol generating device and heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220557429U (en) |
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2023
- 2023-08-08 CN CN202322126393.8U patent/CN220557429U/en active Active
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