CN111084425A - Electric heating element and aerosol generating device, preparation method and heating control method - Google Patents
Electric heating element and aerosol generating device, preparation method and heating control method Download PDFInfo
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- CN111084425A CN111084425A CN202010072750.5A CN202010072750A CN111084425A CN 111084425 A CN111084425 A CN 111084425A CN 202010072750 A CN202010072750 A CN 202010072750A CN 111084425 A CN111084425 A CN 111084425A
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- heating element
- aerosol
- temperature
- resistive layer
- electrical heating
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/57—Temperature control
Abstract
The invention relates to an electric heating element, an aerosol generating device, a preparation method and a heating control method. According to the electric heating element, the resistance layer is arranged outside the main body, the resistance layer can be in full-covering contact with the aerosol generating product, and the electric heating element has the characteristic of high heat conduction, so that the aerosol generating product can be rapidly, comprehensively and uniformly heated by the electric heating element, and the taste effect is improved.
Description
Technical Field
The invention relates to an electric heating element, an aerosol generating device, a preparation method and a heating control method.
Background
The traditional cigarette needs to be ignited and combusted by open fire to generate tobacco smoke, and thousands of mixed substances harmful to human bodies can be released by tobacco in the high-temperature and cracking processes. And the low-temperature heating smoking set can effectively reduce the generation of harmful substances and is healthier. When the low-temperature cigarette is used, a cigarette body is inserted into a heating pipe of a smoking set or a heating sheet is inserted into the cigarette body, then a power supply is electrified to enable the heating pipe/the heating sheet to generate heat, and the cigarette body is heated to generate smoke.
The low temperature among the prior art heats and does not burn the electrically conductive orbit of design on the electric heating element that the smoking set used so that the resistance is bigger, can make the electric current little in the ohmic heating process to the power saving, but this kind of electrically conductive orbit appears local overheat easily, especially during initial heating, leads to the cigarette body to heat inhomogeneous, the taste is not good enough.
Disclosure of Invention
Based on this, it is necessary to provide an electric heating element and an aerosol-generating apparatus, and a manufacturing method and a controlled heating method thereof.
An electrical heating element for heating an aerosol-generating article, the heating element comprising a body having at least one electrically conductive pathway arranged thereon for generating heat from a power supply, the body having a surface coated with a resistive layer comprising a resistive material.
In a preferred embodiment, the resistive layer covers at least the region of the body in contact with the aerosol-generating article.
In a preferred embodiment, the resistive layer is a layer structure extending continuously along the outer circumference of the body.
In a preferred embodiment, the resistive layer has a temperature coefficient of resistance characteristic such that the resistive layer functions as a temperature sensor for the electric heating element.
In a preferred embodiment, the resistive layer senses the temperature of the electric heating element based on the temperature coefficient of resistance characteristic, and the power supply supplies power to at least one of the conductive paths depending on the sensed temperature of the resistive layer and a desired temperature.
In a preferred embodiment, the resistive material comprises one or more of a ceramic-doped semiconductor, a conductive ceramic, carbon, graphite, graphene, a metal alloy, a composite of a doped ceramic and a metal.
In a preferred embodiment, at least one of the electrically conductive paths is formed on the surface of the main body, at least the surface of the electrically conductive path is covered with an insulating and heat conducting layer made of insulating and heat conducting material, and the resistive layer is further covered on the surface of the insulating and heat conducting layer.
In a preferred embodiment, at least one of the electrically conductive vias is formed in the body, and the body is made of an insulating and thermally conductive material.
In a preferred embodiment, each of the conductive paths is at least one of a line, a wire, a trace and a print formed on the main body by a conductive material.
In a preferred embodiment, the conductive material comprises one or more of silver, platinum, copper, nickel and palladium.
In a preferred example, the insulating and heat conducting material comprises one or more of glass, ceramic, anodized metal and polyimide.
In a preferred embodiment, the surface of the resistive layer is further covered with a passivation layer.
In a preferred embodiment, the passivation layer is made of one or more of gold, nickel and glass.
The present invention also provides an aerosol-generating device comprising:
at least one electrical heating element as described above for heating an aerosol-generating article to produce an aerosol;
a power source for supplying power to the at least one power-on circuit on the at least one electric heating element.
The invention also provides a preparation method of the electric heating element, which comprises the following steps: forming a main body, forming at least one conductive path on the main body, wherein the conductive path is powered by a power supply to generate heat, and forming a resistance layer containing a resistance material on the surface of the main body.
The invention also provides a method of controlling heating of an aerosol-generating device comprising a power supply and at least one electrical heating element, the electrical heating element comprising a body having at least one electrically conductive pathway arranged therein for generating heat from power supplied by the power supply, the body having a surface coated with a resistive layer comprising a resistive material. (ii) a
The method of controlling heating of an aerosol-generating article by an aerosol-generating device comprises:
measuring the resistivity of the resistive layer;
deriving an actual temperature of the electrical heating element from the measured resistivity;
comparing the actual temperature with a preset temperature;
adjusting the power supplied by the power source to at least one conductive path to make the actual temperature below the preset temperature.
In a preferred embodiment, the aerosol-generating article comprises a plurality of volatile compounds, and the predetermined temperature satisfies at least one of the following two conditions: the predetermined temperature is less than or equal to the minimum release temperature of at least one of the volatile compounds in the aerosol-generating article, and the predetermined temperature is less than or equal to the temperature at which heating of the aerosol-generating article generates aerosol but does not cause a combustion event.
According to the electric heating element disclosed by the embodiment of the invention, the resistance measuring layer is arranged outside the main body, the resistance measuring layer can be in full-covering contact with the aerosol generating product, and the heat conduction property is high, so that the aerosol generating product can be rapidly, comprehensively and uniformly heated by the electric heating element, and the taste effect is improved.
Drawings
Fig. 1 is a schematic external view of an electric heating element according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an electric heating element according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, when an element is referred to as being "fixed to" another element, it may be directly on the other element or intervening elements may also be present, unless otherwise specified "directly 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 intervening elements may also be present, unless expressly stated otherwise. In contrast, when an element is referred to as being "directly connected" or "directly secured," there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. The various objects of the drawings are drawn to scale for ease of illustration and not to scale for actual components.
An "aerosol-generating device" as described in embodiments of the present invention refers to a device, such as a smoking article, for providing thermal or electrical energy to an aerosol-generating article. The aerosol-generating device may provide thermal energy directly to heat the aerosol-generating article or, preferably, to provide electrical energy to an aerosol-generating article which converts the electrical energy to thermal energy to heat the smoking material.
An "aerosol-generating article" as described in embodiments of the present invention refers to a product, such as an aerosol-generating article, cartridge or cigarette, preferably a disposable article, containing a smoking material, capable of generating an aerosol, such as smoke or a mist, upon heating. The aerosol-generating article is not capable of providing electrical energy by itself.
The "smoking material" in the embodiments of the present invention refers to a smoking material, which is a material that can generate odor and/or nicotine and/or smoke upon heating or combustion, i.e., a material that can be atomized, i.e., an aerosol generating material. The tobacco material can be solid, semi-solid and liquid. Solid tobacco materials are often processed into sheet-like products due to considerations such as breathability, assembly, and manufacture, and are also commonly referred to as sheet, and filamentary sheet is also referred to as sheet filament. The tobacco material discussed in the embodiments of the present invention may be natural or synthetic tobacco liquid, tobacco oil, tobacco gum, tobacco paste, tobacco shred, tobacco leaf, etc., for example, the synthetic tobacco material contains glycerin, propylene glycol, nicotine, etc. The tobacco liquid is liquid, the tobacco tar is oily, the tobacco gel is gelatinous, the tobacco paste is pasty, the tobacco shreds comprise natural or artificial or extracted tobacco shreds, and the tobacco leaves comprise natural or artificial or extracted tobacco leaves. The smoking material may be heated in the form of an enclosure with other materials, such as in a heat-degradable package, for example a microcapsule, from which the desired volatile material is derived after heating.
The tobacco material of the embodiment of the invention may or may not contain nicotine. The tobacco material containing nicotine may include at least one of natural tobacco leaf product, tobacco liquid, tobacco oil, tobacco glue, tobacco paste, tobacco shred, tobacco leaf, etc. prepared from nicotine. The tobacco liquid is in water state, the tobacco tar is in oil state, the tobacco gum is in gel state, the tobacco paste is in paste state, the tobacco shred comprises natural or artificial or extracted tobacco shred, and the tobacco leaf comprises natural or artificial or extracted tobacco leaf. The nicotine-free tobacco material mainly contains fragrant substances, such as spices, and can be atomized to simulate smoking process and quit smoking. In one embodiment, the flavoring comprises peppermint oil. The smoking material may also include other additives such as glycerin and/or propylene glycol.
Referring to figures 1-2, embodiments of the present invention provide an aerosol-generating device comprising at least one electrical heating element for heating an aerosol-generating article to generate an aerosol, the electrical heating element comprising a body 1, at least one electrically conductive pathway 2 for generating heat from a power supply being provided on the body 1, and a resistive layer 4 comprising a resistive material being provided on a surface of the body 1. The aerosol-generating device further comprises a power supply for supplying power to the at least one electrically conductive pathway 2 on the at least one electric heating element.
The body 1 is rigid, and the body 1 may be a sheet-like or rod-like body 1 inserted into the aerosol-generating article, in which case the resistive layer 4 is provided on the outer wall surface of the body 1. In other embodiments, the body 1 may also be a tubular body 1 that covers the outer circumference of the aerosol-generating article, in which case the resistive layer 4 covers the inner wall surface of the body 1.
In some embodiments, the at least one electrically conductive pathway 2 is formed on a surface of the body 1, where the surface of the body 1 refers to a surface for heating the aerosol-generating article, which may be an internal or external surface. When the conductive path 2 is formed on the surface of the main body 1, at least the surface of the conductive path 2 is covered with an insulating and heat conducting layer 3 made of insulating and heat conducting material, and the resistance layer 4 is also covered on the surface of the insulating and heat conducting layer 3. The purpose of the insulating and heat conducting layer 3 is to avoid short circuit between the resistance layer 4 and the conductive path 2, and the insulating and heat conducting material includes one or more of paper, glass, ceramic, anodized metal and polyimide. The insulating and heat conducting layer 3 may be only covered on the area of the conductive path 2, or may be completely covered on the surface of the main body 1, the conductive path 2 is located between the surface of the main body 1 and the insulating and heat conducting layer 3, and the resistance layer 4 is covered on the insulating and heat conducting layer 3. Wherein the body 1 is rigid, and the body 1 is made of one or more of glass, ceramic, anodized metal, coated metal, and polyimide. The ceramic may include mica, alumina (Al2O3), zirconia (ZrO2), or the like.
In other embodiments, at least one conductive path 2 is formed in the main body 1, that is, the conductive path 2 is embedded in the structure of the main body 1, and the main body 1 is made of insulating and heat conductive material, wherein the insulating and heat conductive material includes one or more of glass, ceramic, anodized metal, coated metal and polyimide. The ceramic may include mica, alumina (Al2O3), zirconia (ZrO2), or the like.
Each of the conductive paths 2 is a pattern formed on the main body 1 by a conductive material, and may be a line of any pattern, which is not limited herein. The conductive path 2 may be a line, a wire, a print, a trace, etc. made of a conductive material. Conductive materials include, but are not limited to: semiconductors such as doped ceramics, "conductive" ceramics (e.g., molybdenum disilicide), carbon, graphite, metals, metal alloys, and composites made of ceramic and metallic materials. The composite material may comprise doped or undoped ceramics. Examples of suitable doped ceramics include doped silicon carbide. Examples of suitable metals include titanium, zirconium, tantalum, and platinum group metals. Examples of suitable metal alloys include stainless steel, alloys containing nickel, cobalt, chromium, aluminum, titanium, zirconium, hafnium, niobium, molybdenum, tantalum, tungsten, tin, gallium, manganese, and iron, and superalloys based on nickel, iron, cobalt, stainless steel, and iron-manganese-aluminum based alloys. The conductive material preferably comprises one or more of silver, platinum, copper, nickel and palladium.
Wherein the resistive layer 4 covers at least the area of the body 1 in contact with the aerosol-generating article. That is, the main body 1 is inserted into a portion of the aerosol-generating product, and the entire outer periphery of the portion is covered with the resistance layer 4, or the main body 1 is covered with a portion of the aerosol-generating product, and the entire inner wall of the portion is covered with the resistance layer 4.
The resistive layer 4 preferably has a continuous layer structure, i.e., the resistive layer 4 is a layer structure extending continuously along the outer circumference of the body 1, i.e., a continuous surface is formed, i.e., the resistive layer 4 is a layer structure extending continuously along the starting position of the body 1 and winding around to the starting position. In other embodiments, the resistive layer 4 may also include a plurality of cells arranged, in which case each cell may individually act as a temperature sensor.
Wherein the resistive material includes, but is not limited to: semiconductors such as doped ceramics, "conductive" ceramics (e.g., molybdenum disilicide), carbon, graphite, metals, metal alloys, and composites made of ceramic and metallic materials. The composite material may comprise doped or undoped ceramics. Examples of suitable doped ceramics include doped silicon carbide. Examples of suitable metals include titanium, zirconium, tantalum, and platinum group metals. Examples of suitable metal alloys include stainless steel, alloys containing nickel, cobalt, chromium, aluminum, titanium, zirconium, hafnium, niobium, molybdenum, tantalum, tungsten, tin, gallium, manganese, and iron, and superalloys based on nickel, iron, cobalt, stainless steel, and iron-manganese-aluminum based alloys. The resistive material preferably comprises one or more of a ceramic doped semiconductor, a conductive ceramic, carbon, graphite, graphene, a metal alloy, a composite of a doped ceramic and a metal. More preferably, the resistive material comprises one or more of silver, platinum, copper, nickel and palladium.
The surface of the resistance layer 4 is also covered with a passivation layer 5 to prevent the resistance layer 4 from being oxidized, corroded and the like. The passivation layer 5 is made of one or more materials of gold, nickel and glass.
Wherein the resistive layer 4 has a temperature coefficient of resistance characteristic such that the resistive layer 4 functions as a temperature sensor of the electric heating element. The resistive layer 4 senses the temperature of the electrical heating element based on the temperature coefficient of resistance characteristic, and the power supply supplies power to the at least one conductive path 2 in dependence on the sensed temperature of the resistive layer 4 and a desired temperature. The aerosol-generating device further comprises a control circuit arranged for this purpose for regulating the power supplied by the control power source to the at least one conductive path 2 in dependence on a comparison between the sensed temperature and a desired temperature of the resistive layer 4. In addition, when the resistive layer 4 includes a plurality of cells arranged, each cell may be individually used as a temperature sensor.
The preparation method of the electric heating element comprises the following steps: the body 1 is formed by forming at least one conductive path 2 on the surface of the body 1 by means of pasting, plating, printing, coating, printing, vapor deposition, or the like, or by embedding the conductive path 2 in the body 1, the resistive layer 4 is formed on the surface of the body 1 by means of plating, printing, coating, printing, vapor deposition, or the like, together with the conductive path 2.
The method of controlling heating of an aerosol-generating article by an aerosol-generating device as described above comprises: measuring the resistivity of the resistive layer 4; deriving an actual temperature of the electrical heating element from the measured resistivity; comparing the actual temperature with a preset temperature; adjusting the power supplied by the power source to the at least one conductive path 2 such that the actual temperature is below the predetermined temperature.
Wherein the aerosol-generating article comprises a plurality of volatile compounds, and the predetermined temperature satisfies at least one of the following two conditions: the predetermined temperature is less than or equal to the minimum release temperature of at least one of the volatile compounds in the aerosol-generating article, and the predetermined temperature is less than or equal to the temperature at which heating of the aerosol-generating article generates aerosol but does not cause a combustion event. The preset temperature may be stored in the controller in advance. The preset temperature may also be an acceptable range, such as a range within 5% of the preset temperature.
It is noted that it has been reported in the prior art that resistivity p increases with increasing temperature, resistance R ═ V/I, where V is the voltage across the resistive layer 4 and I is the current through the resistive layer 4, resistance R depends on the configuration of the resistive layer 4 and on the temperature and is represented by the relationship R ═ p (T) × L/S, where p (T) is the temperature dependent resistivity, L is the length of the resistive layer 4 and S is the cross-sectional area of the resistive layer 4, L and S are fixed and can be measured for a given configuration of the resistive layer 4, and thus, for a given design of the resistive layer 4, R is proportional To the resistive layer p (T), resistivity ρ (T) of the resistive layer 4 can be expressed in terms of ρ (T) × (1+ α 1T + α 2T2), where ρ (T) Po × (1+ α T + 852T 2) is the resistivity at the reference temperature To, and α 1 and α 2 are the coefficients of the polynomials, thus, the resistivity ρ (T) and R4 are known and the coefficients of the resistivity of the resistance R4 can be obtained by a simple temperature control characteristic which can be obtained by a simple look-up table with a temperature control, or by a simple temperature control, which can be obtained by applying a temperature control characteristic curve obtained by a simple look-up table with a temperature control.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (17)
1. An electrical heating element for heating an aerosol-generating article, the heating element comprising a body having at least one electrically conductive pathway arranged thereon for generating heat from electrical power, wherein the body is coated on a surface thereof with a resistive layer comprising a resistive material.
2. An electrical heating element as claimed in claim 1 wherein the resistive layer overlies at least the region of the body that is in contact with the aerosol-generating article.
3. An electric heating element as claimed in claim 1, characterized in that the resistive layer is a layer structure extending continuously along the periphery of the body.
4. An electric heating element as claimed in claim 1, characterized in that the resistive layer has a temperature coefficient of resistance characteristic such that the resistive layer functions as a temperature sensor of the electric heating element.
5. The electrical heating element of claim 4, wherein said resistive layer senses a temperature of said electrical heating element based on said temperature coefficient of resistance characteristic, and said power source supplies power to at least one of said conductive paths depending on the sensed temperature of said resistive layer and a desired temperature.
6. An electrical heating element as claimed in claim 1 wherein the resistive material comprises one or more of a ceramic doped semiconductor, a conductive ceramic, carbon, graphite, graphene, a metal alloy, a composite of a doped ceramic and a metal.
7. An electrical heating element as claimed in claim 1 wherein at least one said electrically conductive path is formed on a surface of said body, at least the surface of the electrically conductive path being coated with an insulating and thermally conductive layer of an insulating and thermally conductive material, said electrically resistive layer also being coated on the surface of said insulating and thermally conductive layer.
8. An electrical heating element as claimed in claim 1 wherein at least one said electrically conductive path is formed in said body, said body being formed of an insulating and thermally conductive material.
9. The electrical heating element of claim 1, wherein each of said electrically conductive pathways is at least one of a patterned line, wire, trace, or imprint formed on said body from an electrically conductive material.
10. An electric heating element as claimed in claim 9, wherein the electrically conductive material comprises one or more of silver, platinum, copper, nickel and palladium.
11. An electrical heating element as claimed in claim 7 or 8 wherein the insulating and thermally conductive material comprises one or more of glass, ceramic, anodised metal and polyimide.
12. An electric heating element as claimed in claim 1, characterized in that the surface of the resistive layer is further coated with a passivation layer.
13. An electric heating element as claimed in claim 12, characterized in that the passivation layer is made of one or more of gold, nickel and glass.
14. An aerosol-generating device, comprising:
at least one electrical heating element as claimed in any of claims 1 to 13 for heating an aerosol-generating article to produce an aerosol;
a power source for supplying power to the at least one power-on circuit on the at least one electric heating element.
15. A method of making an electrical heating element according to any one of claims 1 to 13, comprising: forming a main body, forming at least one conductive path on the main body, wherein the conductive path is powered by a power supply to generate heat, and forming a resistance layer containing a resistance material on the surface of the main body.
16. A method of controlling heating of an aerosol-generating device comprising a power source and at least one electrical heating element, the electrical heating element comprising a body having at least one electrically conductive pathway therein for generating heat from the power source, the body having a surface coated with a resistive layer comprising a resistive material. (ii) a
The method of controlling heating of an aerosol-generating article by an aerosol-generating device comprises:
measuring the resistivity of the resistive layer;
deriving an actual temperature of the electrical heating element from the measured resistivity;
comparing the actual temperature with a preset temperature;
adjusting the power supplied by the power source to at least one conductive path to make the actual temperature below the preset temperature.
17. A method according to claim 16, wherein the aerosol-generating article comprises a plurality of volatile compounds, and wherein the predetermined temperature is at least one of: the predetermined temperature is less than or equal to the minimum release temperature of at least one of the volatile compounds in the aerosol-generating article, and the predetermined temperature is less than or equal to the temperature at which heating of the aerosol-generating article generates aerosol but does not cause a combustion event.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072750.5A CN111084425A (en) | 2020-01-21 | 2020-01-21 | Electric heating element and aerosol generating device, preparation method and heating control method |
| PCT/CN2021/071369 WO2021147715A1 (en) | 2020-01-21 | 2021-01-13 | Electric heating element, aerosol generating device, preparation method for electric heating element and heating control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010072750.5A CN111084425A (en) | 2020-01-21 | 2020-01-21 | Electric heating element and aerosol generating device, preparation method and heating control method |
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| CN111084425A true CN111084425A (en) | 2020-05-01 |
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| WO (1) | WO2021147715A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111418896A (en) * | 2020-05-06 | 2020-07-17 | 李可夫 | Heating needle assembly for an aerosol-generating system and corresponding method of manufacture |
| CN111972720A (en) * | 2020-07-03 | 2020-11-24 | 深圳麦克韦尔科技有限公司 | Electromagnetic induction heating element and electromagnetic induction heating element assembly |
| WO2021147715A1 (en) * | 2020-01-21 | 2021-07-29 | 深圳御烟实业有限公司 | Electric heating element, aerosol generating device, preparation method for electric heating element and heating control method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5665262A (en) * | 1991-03-11 | 1997-09-09 | Philip Morris Incorporated | Tubular heater for use in an electrical smoking article |
| CN107920394A (en) * | 2017-12-13 | 2018-04-17 | 惠州市吉瑞科技有限公司深圳分公司 | Heating plate, its preparation method and electronic cigarette |
| WO2019178800A1 (en) * | 2018-03-22 | 2019-09-26 | 惠州市吉瑞科技有限公司深圳分公司 | Heating portion assembly, relevant products of heating portion assembly and processing method |
| CN108451053A (en) * | 2018-06-15 | 2018-08-28 | 东莞市麦斯莫科电子科技有限公司 | Heating device and electrical smoking system for heating electronic cigarette |
| CN109105962B (en) * | 2018-10-13 | 2020-08-28 | 娄底市安地亚斯电子陶瓷有限公司 | Resistance material, heating sheet and preparation method of heating sheet |
| CN209185762U (en) * | 2018-11-12 | 2019-08-02 | 深圳市赛尔美电子科技有限公司 | A kind of metal film Heating Cup |
| CN209788480U (en) * | 2019-01-26 | 2019-12-17 | 深圳市合元科技有限公司 | Cigarette heating assembly and electric heating smoking device |
| CN211861814U (en) * | 2020-01-21 | 2020-11-06 | 深圳御烟实业有限公司 | Electrical heating element and aerosol-generating device |
| CN111084425A (en) * | 2020-01-21 | 2020-05-01 | 深圳御烟实业有限公司 | Electric heating element and aerosol generating device, preparation method and heating control method |
-
2020
- 2020-01-21 CN CN202010072750.5A patent/CN111084425A/en active Pending
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2021
- 2021-01-13 WO PCT/CN2021/071369 patent/WO2021147715A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147715A1 (en) * | 2020-01-21 | 2021-07-29 | 深圳御烟实业有限公司 | Electric heating element, aerosol generating device, preparation method for electric heating element and heating control method |
| CN111418896A (en) * | 2020-05-06 | 2020-07-17 | 李可夫 | Heating needle assembly for an aerosol-generating system and corresponding method of manufacture |
| CN111972720A (en) * | 2020-07-03 | 2020-11-24 | 深圳麦克韦尔科技有限公司 | Electromagnetic induction heating element and electromagnetic induction heating element assembly |
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| WO2021147715A1 (en) | 2021-07-29 |
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