CN218605047U - Heating assembly and aerosol-generating device - Google Patents
Heating assembly and aerosol-generating device Download PDFInfo
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- CN218605047U CN218605047U CN202221892728.6U CN202221892728U CN218605047U CN 218605047 U CN218605047 U CN 218605047U CN 202221892728 U CN202221892728 U CN 202221892728U CN 218605047 U CN218605047 U CN 218605047U
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- electrode
- infrared electrothermal
- infrared
- electrothermal coating
- coating
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 112
- 239000011248 coating agent Substances 0.000 claims abstract description 105
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 239000002390 adhesive tape Substances 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims abstract description 5
- 239000000443 aerosol Substances 0.000 abstract description 15
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
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- 241000208125 Nicotiana Species 0.000 description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 8
- 239000000463 material Substances 0.000 description 8
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- 239000000203 mixture Substances 0.000 description 5
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- 238000009413 insulation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
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- PMTRSEDNJGMXLN-UHFFFAOYSA-N titanium zirconium Chemical compound [Ti].[Zr] PMTRSEDNJGMXLN-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- ZDJFDFNNEAPGOP-UHFFFAOYSA-N dimethyl tetradecanedioate Chemical compound COC(=O)CCCCCCCCCCCCC(=O)OC ZDJFDFNNEAPGOP-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910001257 Nb alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 239000000956 alloy Substances 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
- 239000010425 asbestos Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- DAMJCWMGELCIMI-UHFFFAOYSA-N benzyl n-(2-oxopyrrolidin-3-yl)carbamate Chemical compound C=1C=CC=CC=1COC(=O)NC1CCNC1=O DAMJCWMGELCIMI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- IZMOTZDBVPMOFE-UHFFFAOYSA-N dimethyl dodecanedioate Chemical compound COC(=O)CCCCCCCCCCC(=O)OC IZMOTZDBVPMOFE-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- YTBWYQYUOZHUKJ-UHFFFAOYSA-N oxocobalt;oxonickel Chemical compound [Co]=O.[Ni]=O YTBWYQYUOZHUKJ-UHFFFAOYSA-N 0.000 description 1
- ZARVOZCHNMQIBL-UHFFFAOYSA-N oxygen(2-) titanium(4+) zirconium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4] ZARVOZCHNMQIBL-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- 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
- A24F40/10—Devices using liquid inhalable precursors
-
- 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
-
- 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
-
- 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
Abstract
The present application provides a heating assembly and an aerosol-generating device, the heating assembly comprising: a base including a proximal end and a distal end, a surface extending between the proximal end and the distal end; the infrared electrothermal coating is formed on the surface of the substrate; the infrared electro-thermal coating is configured to receive electrical power to generate heat to generate infrared radiation for radiatively heating the aerosol-forming substrate; an electrode connecting member extending along an axial direction of the base body; a holder comprising an adhesive tape or a heat shrink tube; the holder is wound on the electrode connecting piece or sleeved outside the electrode connecting piece, so that the electrode connecting piece is in contact with the infrared electrothermal coating and forms electric connection. This application makes electrode connecting piece and infrared electrothermal coating contact and form the electricity and connect through sticky tape or pyrocondensation pipe, and heating element simple structure and size are little, do benefit to aerosol generating device's thermal-insulated design and miniaturization.
Description
Technical Field
The application relates to the technical field of electronic atomization, in particular to a heating assembly and an aerosol generating device.
Background
Smoking articles such as cigarettes and cigars burn tobacco during use to produce an aerosol. Attempts have been made to provide alternatives to these tobacco-burning articles by creating products that release compounds without burning. An example of such a product is a so-called heat not burn product, which releases a compound by heating tobacco rather than burning tobacco.
The problem that current aerosol generating device exists is that the heating element part is complicated, and the size is great, is unfavorable for thermal-insulated design and miniaturization.
SUMMERY OF THE UTILITY MODEL
The application provides a heating element and aerosol generating device, aims at solving current aerosol generating device heating element size great, is unfavorable for thermal-insulated design and miniaturized problem.
One aspect of the present application provides a heating assembly comprising:
a base including a proximal end and a distal end, a surface extending between the proximal end and the distal end;
the infrared electrothermal coating is formed on the surface of the substrate; the infrared electro-thermal coating is configured to receive electrical power to generate heat to generate infrared radiation for radiatively heating the aerosol-forming substrate;
an electrode connecting member extending in an axial direction of the base body;
a holder comprising an adhesive tape or a heat shrink tube; the holder is wound on the electrode connecting piece or sleeved outside the electrode connecting piece, so that the electrode connecting piece is in contact with the infrared electrothermal coating and forms electric connection.
Another aspect of the application provides an aerosol-generating device comprising:
a housing assembly;
the heating assembly is arranged in the shell assembly;
the battery cell is used for providing power;
and one end of the wire is electrically connected with the battery cell, and the other end of the wire is fixedly connected with the electrode connecting piece.
The application provides a heating element and aerosol generate device makes electrode connecting piece and infrared electric heat coating contact and form the electricity and connect through sticky tape or pyrocondensation pipe, and heating element simple structure and size are little, do benefit to aerosol generate device's thermal-insulated design and miniaturization.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Figure 1 is a schematic diagram of an aerosol-generating device provided by an embodiment of the present application;
figure 2 is an exploded schematic view of an aerosol-generating device provided by embodiments of the present application;
FIG. 3 is a schematic view of a heating assembly provided by an embodiment of the present application;
FIG. 4 is an exploded schematic view of a heating assembly provided by embodiments of the present application;
FIG. 5 is a schematic view of a heater in a heating assembly provided by an embodiment of the present application;
FIG. 6 is a schematic view of another heater provided by embodiments of the present application;
FIG. 7 is a schematic view of yet another heater provided by embodiments of the present application;
fig. 8 is a schematic plan view of a further heater according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. 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 be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1-2 illustrate an aerosol-generating device 100 including a housing assembly 6 and a heater 11, according to embodiments of the present disclosure. The heater 11 is provided within the housing assembly 6. The heater 11 may radiate infrared radiation to heat the aerosol-forming substrate to generate a smokable aerosol.
The housing assembly 6 includes a housing 61, a fixing housing 62, a base and a bottom cover 64, the fixing housing 62 and the base are both fixed in the housing 61, wherein the base is used for fixing the heater 11, the base is disposed in the fixing housing 62, the bottom cover 64 is disposed at one end of the housing 61 and covers the housing 61. The stationary shell 62 is provided with an insertion opening through which the aerosol-forming substrate is removably received or inserted in the heater 11.
The base is including cup jointing base 22 in heater 11 upper end and cup jointing base 21 in heater 11 lower extreme, base 22 and base 21 are all located in fixed shell 62, bottom 64 epirelief is equipped with intake pipe 641, the one end that base 21 deviates from base 22 is connected with intake pipe 641, base 22, heater 11, base 21 and intake pipe 641 coaxial arrangement, and it is sealed through the sealing member between heater 11 and base 22, the base 21, base 21 is also sealed with intake pipe 641, intake pipe 641 and outside air intercommunication so that can smoothly admit air when the user sucks.
The aerosol-generating device 100 further comprises a circuit board 3 and a cell 7. The fixed casing 62 comprises a front casing 621 and a rear casing 622, the front casing 621 is fixedly connected with the rear casing 622, the circuit board 3 and the battery cell 7 are both arranged in the fixed casing 62, the battery cell 7 is electrically connected with the circuit board 3, the key 4 is arranged on the casing 61 in a protruding mode, and the heater 11 can be powered on or powered off by pressing the key 4. The circuit board 3 is further connected with a charging interface 31, the charging interface 31 is exposed on the bottom cover 64, and a user can charge or upgrade the aerosol generating device 100 through the charging interface 31 to ensure the continuous use of the aerosol generating device 100.
The aerosol-generating device 100 further comprises an insulating tube 5, the insulating tube 5 is disposed in the fixed case 62, the insulating tube 5 is disposed on the periphery of the heater 11, and the insulating tube 5 can prevent a large amount of heat from being transferred to the case 61 to cause the user to feel hot. The heat insulation pipe comprises heat insulation materials, and the heat insulation materials can be heat insulation glue, aerogel felt, asbestos, aluminum silicate, calcium silicate, diatomite, zirconia and the like. The heat insulation pipe may be a vacuum heat insulation pipe. An infrared reflective coating may also be formed within the insulating tube 5 to reflect infrared radiation from the heater 11 towards the aerosol-forming substrate to improve heating efficiency.
The aerosol-generating device 100 further comprises a temperature sensor 13, for example a NTC, PTC, thermocouple or like temperature sensor, for detecting the real-time temperature of the heater 11 and transmitting the detected real-time temperature to the circuit board 3, the circuit board 3 adjusting the magnitude of the current flowing through the heater 11 in accordance with the real-time temperature. In particular, the method comprises the following steps of,
when the temperature sensor 13 detects that the real-time temperature of the heater 11 is low, for example, when the temperature of the heater 11 is detected to be less than 150 ℃, the circuit board 3 controls the battery cell 7 to output a higher voltage to the electrode, so that the current fed into the heater 11 is increased, the heating power of the aerosol-forming substrate is increased, and the waiting time for the user to suck aerosol is reduced.
When the temperature sensor 13 detects that the temperature of the heater 11 is 150-200 ℃, the circuit board 3 controls the battery cell 7 to output normal voltage to the heater 11.
When the temperature sensor 13 detects that the temperature of the heater 11 is 200-250 ℃, the circuit board 3 controls the battery cell 7 to output a lower voltage to the heater 11.
When the temperature sensor 13 detects that the temperature of the heater 11 is 250 ℃ or above, the circuit board 3 controls the battery cell 7 to stop outputting the voltage to the heater 11.
Fig. 3-5 illustrate a heating assembly provided in an embodiment of the present application, which includes a heater 11, an electrode connector 12, a temperature sensor 13, and a holder 14. The heater 11 includes:
the base 111 has a chamber formed therein adapted to receive an aerosol-forming substrate.
In particular, base 111 includes a proximal end and a distal end, a surface extending between the proximal and distal ends. The base 111 is hollow internally forming a chamber adapted to receive an aerosol-forming article. The substrate 111 may be tubular, such as cylindrical, prismatic, or other cylindrical shapes. The substrate 111 is preferably cylindrical, with the chamber being a cylindrical bore through the centre of the substrate 111, the bore having an inner diameter slightly larger than the outer diameter of the aerosol-forming article to facilitate the aerosol-forming article being placed in the chamber and heated. The inner diameter of the substrate 111 is 7mm to 14mm, or 7mm to 12mm, or 7mm to 10mm.
The substrate 111 may be made of a material that is resistant to high temperature and transmits infrared rays, such as quartz glass, ceramic, or mica, or may be made of other materials having high infrared transmittance, for example: the high temperature resistant material having an infrared transmittance of 95% or more is not particularly limited.
An aerosol-forming substrate is a substrate capable of releasing volatile compounds that can form an aerosol. Such volatile compounds may be released by heating the aerosol-forming substrate. The aerosol-forming substrate may be solid or liquid or comprise solid and liquid components. The aerosol-forming substrate may be adsorbed, coated, impregnated or otherwise loaded onto a carrier or support. The aerosol-forming substrate may conveniently be part of an aerosol-generating article.
The aerosol-forming substrate may comprise nicotine. The aerosol-forming substrate may comprise tobacco, for example may comprise a tobacco-containing material containing volatile tobacco flavour compounds which are released from the aerosol-forming substrate when heated. Preferred aerosol-forming substrates may comprise homogenised tobacco material, for example deciduous tobacco. The aerosol-forming substrate may comprise at least one aerosol-former, which may be any suitable known compound or mixture of compounds which, in use, facilitates the formation of a dense and stable aerosol and is substantially resistant to thermal degradation at the operating temperature of the aerosol-generating system. Suitable aerosol-forming agents are well known in the art and include, but are not limited to: polyols such as triethylene glycol, 1,3-butanediol and glycerol; esters of polyhydric alcohols, such as glycerol mono-, di-or triacetate; and fatty acid esters of mono-, di-or polycarboxylic acids, such as dimethyldodecanedioate and dimethyltetradecanedioate. Preferred aerosol formers are polyhydric alcohols or mixtures thereof, such as triethylene glycol, 1,3-butanediol, and most preferably glycerol.
An infrared electrothermal coating 112 is formed on the surface of the substrate 111. The infrared electrothermal coating 112 may be formed on the outer surface of the substrate 111, or may be formed on the inner surface of the substrate 111.
In this example, an infrared electrothermal coating 112 is formed on the outer surface of the substrate 111. The infrared electrothermal coating 112 receives electric power to generate heat, and further generates infrared rays with certain wavelengths, such as: 8-15 μm far infrared ray. When the wavelength of the infrared light matches the absorption wavelength of the aerosol-forming substrate, the energy of the infrared light is readily absorbed by the aerosol-forming substrate.
The infrared electrothermal coating 112 is preferably formed by fully and uniformly stirring far infrared electrothermal ink, ceramic powder and an inorganic adhesive, then coating the mixture on the outer surface of the substrate 111, and then drying and curing the mixture for a certain time, wherein the thickness of the infrared electrothermal coating 112 is 30-50 μm; certainly, the infrared electrothermal coating 112 can also be prepared by mixing and stirring tin tetrachloride, tin oxide, antimony trichloride, titanium tetrachloride and anhydrous copper sulfate according to a certain proportion and then coating the mixture on the outer surface of the substrate 111; or one of a silicon carbide ceramic layer, a carbon fiber composite layer, a zirconium-titanium oxide ceramic layer, a zirconium-titanium nitride ceramic layer, a zirconium-titanium boride ceramic layer, a zirconium-titanium carbide ceramic layer, an iron-based oxide ceramic layer, an iron-based nitride ceramic layer, an iron-based boride ceramic layer, an iron-based carbide ceramic layer, a rare earth oxide ceramic layer, a rare earth nitride ceramic layer, a rare earth boride ceramic layer, a rare earth carbide ceramic layer, a nickel-cobalt oxide ceramic layer, a nickel-cobalt nitride ceramic layer, a nickel-cobalt boride ceramic layer, a nickel-cobalt carbide ceramic layer or a high-silicon molecular sieve ceramic layer; the infrared electrothermal coating 112 may also be a coating of other materials that are known in the art.
And the electrodes comprise a first electrode 113 and a second electrode 114 which are arranged on the base body 111 at intervals and are used for feeding electric power provided by the battery cell 7 to the infrared electrothermal coating 112.
The first electrode 113 and the second electrode 114 are both electrically connected with the infrared electrothermal coating 112. The first electrode 113 and the second electrode 114 are conductive coatings, and the conductive coatings may be metal coatings, and the metal coatings may include silver, gold, palladium, platinum, copper, nickel, molybdenum, tungsten, niobium, or metal alloy materials thereof.
The first electrode 113 and the second electrode 114 are symmetrically disposed along the central axis of the substrate 111. The first electrode 113 and the second electrode 114 each extend along the axial direction of the base 111 and have a long strip shape. The axial extension of the first electrode 113 and the second electrode 114 are both the same as the axial extension of the infrared electrothermal coating 112. The circumferential extension length or width of the first electrode 113 and the second electrode 114 is between 0.2mm and 5mm; preferably between 0.2mm and 4mm; further preferably between 0.2mm and 3mm; further preferably between 0.2mm and 2mm; more preferably between 0.5mm and 2mm. Thus, the first electrode 113 and the second electrode 114 partition the infrared electrothermal coating 112 into two sub-infrared electrothermal coatings along the circumferential direction of the substrate 111. After the first electrode 113 and the second electrode 114 are electrically conductive, current may flow from one of the electrodes to the other electrode substantially along the circumferential direction of the substrate 111 via the infrared electrothermal coating 112.
In one example, electrodes or infrared electrocaloric coatings 112 may be spaced apart from the proximal or distal ends of the substrate 111. For example: in FIG. 5, neither part B1 nor part B2 on the outer surface of the substrate 111 is provided with an electrode and an infrared electrothermal coating 112; the axial extension of the portions B1 and B2 may be as small as possible. Generally, the axial extension of the portions B1 and B2 is between 0 and 1mm, i.e. greater than 0 and equal to or less than 1mm; in specific examples, it may be 0.2mm, 0.4mm, 0.5mm, 0.7mm, and the like.
In one example, it is also possible that the electrode or infrared electrothermal coating 112 is not spaced from the proximal or distal end of the substrate 111, i.e., the electrode or infrared electrothermal coating 112 has the same axial extension as the substrate 111. Thus, on one hand, the coating area of the infrared electrothermal coating 112 can be increased, and on the other hand, the loss of heat can be avoided.
The electrode connecting member 12 is held in contact with the electrode to form an electrical connection. The number of electrode connections 12 corresponds to the number of electrodes, i.e. the first electrode 113 has corresponding electrode connections 12 and the second electrode 114 has corresponding electrode connections 12. The electrode connecting piece 12 can be electrically connected to the battery cell 7 by a wire, for example: one end of the wire is welded on the electrode connecting piece 12, and the other end of the wire is electrically connected with the battery cell 7 (electrically connected with the battery cell 7 through the circuit board 3, or directly electrically connected with the battery cell 7). The electrode connecting member 12 is preferably made of a material of copper, copper alloy, aluminum or aluminum alloy having good conductivity, and the surface is plated with silver or gold to reduce contact resistance and improve weldability of the material surface.
Like the electrode, the electrode connecting member 12 extends in the axial direction of the base 111 and has a strip shape. The axial extension of the electrode connector 12 and the axial extension of the electrode or infrared electrothermal coating 112 may be the same. The circumferential extension length or width of the electrode connecting piece 12 is 0.2 mm-5 mm; preferably between 0.2mm and 4mm; further preferably between 0.2mm and 3mm; further preferably between 0.2mm and 2mm; more preferably between 0.5mm and 2mm. The thickness of the electrode connecting piece 12 is 0.05 mm-1 mm, namely the electrode connecting piece can be made thinner; in a specific example, the thickness of the electrode connection member 12 may be 0.1mm, 0.2mm, 0.4mm, 0.5mm, or the like. In a preferred embodiment, the axial extension of the electrode connector 12 is greater than the axial extension of the electrode or infrared electrothermal coating 112, but less than the sum of the axial extension of the electrode or infrared electrothermal coating 112 and the axial extension of the portion B2; or the axial extension length of the electrode connecting piece 12 is greater than the sum of the axial extension length of the electrode or the infrared electrothermal coating 112 and the axial extension length of the part B2, namely the upper end of the electrode connecting piece 12 is flush with the upper end of the electrode or the infrared electrothermal coating 112, and the lower end of the electrode connecting piece 12 extends out of the far end of the substrate 111; this facilitates the welding of the wire to the electrode connecting member 12. In a further preferred embodiment, the distance between the lower end of the electrode connecting piece 12 and the distal end of the base 111 is between 1mm and 10mm; preferably between 1mm and 8mm; further preferably between 1mm and 6mm; more preferably between 1mm and 4mm.
The outer surface of the base 111 has a mark a of a preset position so that a user can assemble, i.e., position, the temperature sensor 13 to the preset position according to the mark a. The mark A can mark the pigment at a preset position by printing or spraying. Typically, the predetermined position is located at a middle position in the axial direction of the infrared electrothermal coating 112. In this way, an optimum temperature for controlling the heater 11 can be obtained by the temperature sensor 13.
The holder 14 serves to hold the electrode connection on the electrode and/or the temperature sensor 13 on the marking a. The holder 14 comprises a high temperature adhesive tape or heat shrink tubing; in practical applications, the high temperature adhesive tape may be directly wound on the electrode connecting member and/or the temperature sensor 13; or sleeving a heat-shrinkable tube outside the electrode connecting piece and/or the temperature sensor 13, and then shrinking the heat-shrinkable tube by heating and fastening the electrode connecting piece and/or the temperature sensor 13. In a preferred embodiment, the electrode connecting member 12 is partially exposed from the holder 14; this facilitates the welding of the wire to the electrode connecting member 12.
It should be noted that in other examples, it is also possible that the electrode connector 12 may directly contact and form an electrical connection with the infrared electrothermal coating 112. At this time, it is also possible that the first electrode 113 and the second electrode 114 are not provided.
Fig. 6 is another heater provided in the embodiment of the present application, and unlike the examples of fig. 3 to 5,
the B3 portion on the outer surface of the substrate 111 divides the infrared electrothermal coating 112 into two upper and lower independently controllable heating regions, i.e., the infrared electrothermal coating 1121 and the infrared electrothermal coating 1122, and the axial extension length of the B3 portion may be as small as possible, for example, 0.4mm to 1mm, preferably 0.4mm to 0.8mm, and further preferably 0.5mm;
the electrodes further comprise a third electrode 115 arranged on the substrate 111 at intervals, namely the first electrode 113, the second electrode 114 and the third electrode 115 are all arranged at intervals; the third electrode 115 is in contact with the infrared electrothermal coating 1121 and the infrared electrothermal coating 1122 to form an electrical connection, the first electrode 113 is in contact with the infrared electrothermal coating 1121 to form an electrical connection, and the second electrode 114 is in contact with the infrared electrothermal coating 1122 to form an electrical connection.
In this way, by controlling the energisation of the first 113, second 114 and third 115 electrodes, a segmented heating of the aerosol-forming substrate may be achieved; for example: the infrared electrothermal coating 1121 is started to heat (the first electrode 113 and the third electrode 115 are controlled to be electrified), and then the infrared electrothermal coating 1122 is started to heat (the second electrode 114 and the third electrode 115 are controlled to be electrified); or, the infrared electrothermal coating 1121 is first activated to heat (the first electrode 113 and the third electrode 115 are controlled to be electrified), and then the infrared electrothermal coating 1121 and the infrared electrothermal coating 1122 are activated to heat together (the first electrode 113, the second electrode 114 and the third electrode 115 are controlled to be electrified together).
In the example of fig. 6, the infrared electrothermal coating 1121 is not spaced apart from the proximal end of the substrate 111, and the infrared electrothermal coating 1122 is spaced apart from the distal end of the substrate 111 (refer to B4 in the figure).
In the example of fig. 6, the axial extension of the third electrode 115 is the sum of the axial extension of the infrared electrothermal coating 1121, the axial extension of the portion B3, and the axial extension of the infrared electrothermal coating 1122; the axial extension length of the first electrode 113 is the same as the axial extension length of the infrared electrothermal coating 1121; the axial extension of the second electrode 114 is the same as the axial extension of the infrared electrothermal coating 1122.
Similar to the example of fig. 3-5, the temperature of the infrared electrothermal coating 1121 and/or 1122 can be measured by one or more temperature sensors 13 and used to control the temperature of the heater 11.
Similar to the examples of fig. 3-5, the infrared electrothermal coating 1121 and/or 1122 can be provided with corresponding indicia for the temperature sensor 13.
Similar to the examples of fig. 3-5, contact can be maintained with the electrode and electrical connection can be made to the cell 7 by means of an electrode connection 12.
In a preferred embodiment, the axial extension length of the electrode connecting member corresponding to the third electrode 115 is greater than the sum of the axial extension length of the third electrode 115 and the axial extension length of the portion B4, that is, the upper end of the electrode connecting member corresponding to the third electrode 115 is flush with the third electrode 115, and the lower end extends out of the distal end of the substrate 111; the axial extension length of the electrode connecting piece corresponding to the first electrode 113 is the same as that of the first electrode 113; the axial extension length of the electrode connecting member corresponding to the second electrode 114 is greater than the sum of the axial extension length of the second electrode 114 and the axial extension length of the portion B4, that is, the upper end of the electrode connecting member corresponding to the second electrode 114 is flush with the second electrode 114, and the lower end extends out of the distal end of the base 111. Thus, one end of the lead wire corresponding to each electrode connector can be welded to the electrode connector, and the other end of the lead wire extends from the distal end of the base 111 to be electrically connected to the battery cell 7.
Fig. 7-8 illustrate another heater provided by the present application, which, unlike the example of fig. 3-5,
the whole outer surface of the substrate 11 is provided with an infrared electrothermal coating 112; the electrodes include a first electrode 113, a second electrode 114, a third electrode 115, and a fourth electrode 116 which are disposed on the substrate 111 at intervals. In this way, the first electrode 113, the second electrode 114, the third electrode 115 and the fourth electrode 116 divide the infrared electrothermal coating 112 into four infrared electrothermal coatings distributed in sequence in the circumferential direction. When the first electrode 113 and the third electrode 115 are controlled to be energized and the third electrode 115 and the fourth electrode 116 are controlled to be energized, the infrared electrothermal coating 1122 between the first electrode 113 and the second electrode 114, and the infrared electrothermal coating 1122 between the third electrode 115 and the fourth electrode 116 receive electric power to radiate infrared rays to heat the aerosol-forming substrate, and the infrared electrothermal coating 1121 between the first electrode 113 and the fourth electrode 116, and the infrared electrothermal coating 1121 between the third electrode 115 and the second electrode 114 form a short circuit. Conversely, the infrared electrothermal coating 1121 between the first electrode 113 and the fourth electrode 116, and the infrared electrothermal coating 1121 between the third electrode 115 and the second electrode 114 receive electric power radiating infrared rays to heat the aerosol-forming substrate, while the infrared electrothermal coating 1122 between the first electrode 113 and the second electrode 114, and the infrared electrothermal coating 1122 between the third electrode 115 and the fourth electrode 116 form a short circuit.
In the example of fig. 7-8, the axial extensions of the first electrode 113, the second electrode 114, the third electrode 115, and the fourth electrode 116 are all the same as the axial extension of the infrared electrothermal coating 1121 or 1122.
It should be noted that the electrode design can be commonly used in the example of fig. 6 and the examples of fig. 7 to 8. For example: similar to the example of fig. 6, in the example of fig. 7-8, three electrodes may be employed to achieve segmented heating; similar to the examples of fig. 7-8, in the example of fig. 6, four electrodes may be employed to achieve segmented heating (two axially extending electrodes are disposed on each of the infrared electrocaloric coating 1121 and 1122).
It should be noted that the description of the present application and the accompanying drawings set forth preferred embodiments of the present application, however, the present application may be embodied in many different forms and is not limited to the embodiments described in the present application, which are not intended as additional limitations to the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. Moreover, the above-mentioned technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope described in the present specification; further, modifications and variations may occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the scope of the appended claims.
Claims (17)
1. A heating assembly, comprising:
a base including a proximal end and a distal end, a surface extending between the proximal end and the distal end;
the infrared electrothermal coating is formed on the surface of the substrate; the infrared electro-thermal coating is configured to receive electrical power to generate heat to generate infrared radiation for radiatively heating the aerosol-forming substrate;
an electrode connecting member extending along an axial direction of the base body;
a holder comprising an adhesive tape or a heat shrink tube; the holder is wound on the electrode connecting piece or sleeved outside the electrode connecting piece, so that the electrode connecting piece is in contact with the infrared electrothermal coating and forms electric connection.
2. A heating assembly as claimed in claim 1, in which the substrate is configured as a tube with a hollow interior forming a chamber for receiving an aerosol-forming substrate.
3. The heating assembly of claim 1, wherein the infrared electro-thermal coating has an axial extension that is less than or equal to an axial extension of the substrate.
4. The heating assembly of claim 1, wherein the infrared electrothermal coating is spaced from the proximal end or the distal end of the substrate by a distance of 0-1 mm.
5. The heating assembly of claim 1, wherein an axial extent of the electrode connection is the same as an axial extent of the infrared electrothermal coating.
6. The heating assembly of claim 1, wherein one end of the electrode connector is flush with one end of the infrared electro-thermal coating, and the other end of the electrode connector extends beyond the proximal or distal end of the substrate.
7. The heating assembly of claim 6, wherein the distance between the other end of the electrode connector and the proximal or distal end of the base is between 1mm and 10mm.
8. The heating assembly of claim 1, wherein the electrode connection has a width of 0.2mm to 5mm; and/or the thickness of the electrode connecting piece is 0.05 mm-1 mm.
9. The heating assembly of claim 1, further comprising electrodes formed on the substrate, the electrodes comprising first and second electrodes for feeding the electrical power to the infrared electro-thermal coating.
10. The heating assembly of claim 9, wherein the first electrode and the second electrode each extend along an axial direction of the substrate, and wherein the first electrode and the second electrode each have an axial extension that is the same as an axial extension of the infrared electro-thermal coating.
11. The heating assembly of claim 9, wherein the first electrode and the second electrode are symmetrically disposed along a central axis of the substrate.
12. The heating assembly of claim 9, wherein the width of the first electrode or the second electrode is between 0.2mm and 5mm.
13. The heating assembly of claim 9, wherein the electrode connection is in contact with the infrared electro-thermal coating through the electrode.
14. The heating assembly of claim 9, wherein the electrode further comprises a third electrode formed on the substrate, and the infrared electrothermal coating comprises a first infrared electrothermal coating and a second infrared electrothermal coating which are arranged at intervals;
the first and third electrodes feed first electrical power to the first infrared electrothermal coating, the second and third electrodes feed second electrical power to the second infrared electrothermal coating;
the axial extension length of the first electrode is the same as that of the first infrared electrothermal coating, the axial extension length of the second electrode is the same as that of the second infrared electrothermal coating, and the axial extension length of the third electrode is equal to the sum of the axial extension length of the first infrared electrothermal coating, the axial extension length of the second infrared electrothermal coating and the distance between the first infrared electrothermal coating and the second infrared electrothermal coating; or the axial extension length of the first infrared electrothermal coating is the same as that of the second infrared electrothermal coating, and the axial extension lengths of the first electrode, the second electrode and the third electrode are all the same as that of the first infrared electrothermal coating or the second infrared electrothermal coating.
15. The heating assembly of claim 9, wherein the electrodes further comprise a third electrode and a fourth electrode formed on the substrate, and the infrared electrothermal coating comprises a first infrared electrothermal coating and a second infrared electrothermal coating which are arranged at intervals;
the first and second electrodes feed first electrical power to the first infrared electrothermal coating, and the third and fourth electrodes feed second electrical power to the second infrared electrothermal coating;
the axial extension lengths of the first electrode and the second electrode are the same as the axial extension length of the first infrared electrothermal coating, and the axial extension lengths of the third electrode and the fourth electrode are the same as the axial extension length of the second infrared electrothermal coating; or the axial extension length of the first infrared electrothermal coating is the same as that of the second infrared electrothermal coating, and the axial extension lengths of the first electrode, the second electrode, the third electrode and the fourth electrode are all the same as that of the first infrared electrothermal coating or the second infrared electrothermal coating.
16. The heating assembly of claim 1, further comprising a temperature sensor for sensing temperature, wherein the surface of the substrate is provided with indicia at predetermined locations for positioning during assembly of the temperature sensor.
17. An aerosol-generating device, comprising:
a housing assembly;
the heating assembly of any of claims 1-16, disposed within the housing assembly;
the battery cell is used for providing electric power;
and one end of the wire is electrically connected with the battery cell, and the other end of the wire is fixedly connected with the electrode connecting piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221892728.6U CN218605047U (en) | 2022-07-21 | 2022-07-21 | Heating assembly and aerosol-generating device |
| PCT/CN2023/105762 WO2024017059A1 (en) | 2022-07-21 | 2023-07-04 | Heating assembly and aerosol generating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221892728.6U CN218605047U (en) | 2022-07-21 | 2022-07-21 | Heating assembly and aerosol-generating device |
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| Publication Number | Publication Date |
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| CN218605047U true CN218605047U (en) | 2023-03-14 |
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| CN202221892728.6U Active CN218605047U (en) | 2022-07-21 | 2022-07-21 | Heating assembly and aerosol-generating device |
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| Country | Link |
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| CN (1) | CN218605047U (en) |
| WO (1) | WO2024017059A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024017059A1 (en) * | 2022-07-21 | 2024-01-25 | 深圳市合元科技有限公司 | Heating assembly and aerosol generating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209931486U (en) * | 2019-02-28 | 2020-01-14 | 深圳市合元科技有限公司 | Low-temperature tobacco baking tool |
| CN113080522A (en) * | 2020-01-08 | 2021-07-09 | 深圳市合元科技有限公司 | Aerosol generator |
| CN213848764U (en) * | 2020-08-03 | 2021-08-03 | 深圳市合元科技有限公司 | Heater and smoking set comprising same |
| CN213587433U (en) * | 2020-09-01 | 2021-07-02 | 深圳市合元科技有限公司 | Aerosol generating device and resistance heater |
| WO2022107150A1 (en) * | 2020-11-22 | 2022-05-27 | Omega Life Science Ltd. | Aerosol generating devices for aqueous cannabinoid compositions |
| CN216220207U (en) * | 2021-07-23 | 2022-04-08 | 深圳麦时科技有限公司 | Heating assembly and aerosol generating device |
| CN218605047U (en) * | 2022-07-21 | 2023-03-14 | 深圳市合元科技有限公司 | Heating assembly and aerosol-generating device |
-
2022
- 2022-07-21 CN CN202221892728.6U patent/CN218605047U/en active Active
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- 2023-07-04 WO PCT/CN2023/105762 patent/WO2024017059A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024017059A1 (en) * | 2022-07-21 | 2024-01-25 | 深圳市合元科技有限公司 | Heating assembly and aerosol generating apparatus |
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