WO2023214834A1 - Atomiseur céramique de dispositif de génération d'aérosol ayant des propriétés composites hydrophiles et hydrophobes - Google Patents
Atomiseur céramique de dispositif de génération d'aérosol ayant des propriétés composites hydrophiles et hydrophobes Download PDFInfo
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- WO2023214834A1 WO2023214834A1 PCT/KR2023/006140 KR2023006140W WO2023214834A1 WO 2023214834 A1 WO2023214834 A1 WO 2023214834A1 KR 2023006140 W KR2023006140 W KR 2023006140W WO 2023214834 A1 WO2023214834 A1 WO 2023214834A1
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- WIPO (PCT)
- Prior art keywords
- ceramic
- generating device
- atomizer
- aerosol generating
- ceramic atomizer
- Prior art date
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- 239000000919 ceramic Substances 0.000 title claims abstract description 132
- 239000000443 aerosol Substances 0.000 title claims abstract description 84
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 79
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims description 51
- 230000002745 absorbent Effects 0.000 claims description 35
- 239000002250 absorbent Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 19
- 238000005245 sintering Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 229910026551 ZrC Inorganic materials 0.000 claims description 3
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 3
- 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 claims description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims description 3
- 229910000953 kanthal Inorganic materials 0.000 claims description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000391 magnesium silicate Substances 0.000 claims description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 3
- 235000019792 magnesium silicate Nutrition 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 229910052878 cordierite Inorganic materials 0.000 claims description 2
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- 239000000758 substrate Substances 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000007602 hot air drying Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229960002715 nicotine Drugs 0.000 description 2
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/44—Wicks
-
- 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
-
- 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
- A24F40/70—Manufacture
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
Definitions
- the embodiments relate to a ceramic atomizer with a combination of hydrophilic and hydrophobic properties for an aerosol generating device, and more specifically, to a ceramic atomizer for an aerosol generating device having a hydrophobic silicate for preventing leakage and a hydrophilic silicate for moisture absorption and adsorption.
- Aerosols are small particles of liquid or solid that exist in suspension in the atmosphere and usually have a size of 0.001 to 1.0 ⁇ m.
- aerosol generating devices that allow people to inhale aerosols derived from liquid for various purposes, for example.
- liquid e-cigarettes and nebulizers There are liquid e-cigarettes and nebulizers.
- an aerosol generating device typically includes a battery and control electronics, and is equipped with a liquid cartridge that stores liquid for forming an aerosol. It may also include a core portion that absorbs the liquid in the liquid cartridge and a liquid heater for heating the core portion.
- the wick and liquid heater are called atomizers in that they are the elements that actually generate aerosols.
- the atomizer is a key element in an aerosol generating device that is directly related to the user experience. In particular, it determines the key qualities of the aerosol generating device, such as atomization amount, energy efficiency, preheating time, and taste uniformity. In addition, there is a need to meet design requirements such as structural simplification and miniaturization, so it is an element that particularly requires improvement.
- Republic of Korea Patent Publication No. 10-2021-0052200 discloses a ceramic heater installation structure for a fine particle generator. Ceramic atomizers were studied based on the fact that the micropores of porous ceramics could be advantageously utilized in aerosol generating devices. However, as it is still a new technology, research and development of a heater structure that will secure mass production while increasing the energy efficiency of ceramic heaters is needed.
- the purpose of the embodiments is to provide a ceramic atomizer for an aerosol generating device with further improved structure and performance.
- the embodiments aim to provide a ceramic atomizer for an aerosol generating device that can prevent liquid leakage with a simple structure and process in an atomizer made of ceramic material.
- the embodiments aim to provide a ceramic atomizer for an aerosol generating device with improved hygroscopicity, heat transfer ability, and heat resistance by adopting a ceramic material.
- the ceramic atomizer for an aerosol generating device includes a ceramic hygroscopic body made of a ceramic material and a heat source formed on one side of the ceramic hygroscopic body, and the ceramic hygroscopic body is formed of a hydrophilic silicate to absorb liquid. It is characterized as a single structure including an absorbent part for water absorption and a waterproof part for preventing leakage, which is formed of hydrophobic silicate.
- the material of the ceramic moisture absorber is magnesium silicate, aluminum silicate, silicic acid silicate, zeolite, titanium oxide, titanium carbide, zirconia, silica, silicon carbide, silicon nitride, mullite, and codi. It is characterized by being any one of aerite, tungsten carbide, zirconium carbide, and aluminum nitride, or a combination thereof.
- the ceramic atomizer for an aerosol generating device is characterized in that the waterproof portion is formed outside the absorbent portion.
- the ceramic atomizer for an aerosol generating device is characterized in that the absorbent portion has multiple sides and at least two surfaces are exposed without being blocked by the waterproof portion.
- the ceramic atomizer for an aerosol generating device is characterized in that the heat source is formed on the side of the absorbent portion that is exposed and not blocked by the waterproof portion.
- the ceramic atomizer for an aerosol generating device is characterized in that the heat source is formed on one surface of the ceramic moisture absorber through a printing process.
- the ceramic atomizer for an aerosol generating device is characterized in that the material of the heat source is any one of SUS, Kanthal, Ni-Cr, and graphene.
- the ceramic atomizer for an aerosol generating device is characterized in that the absorption portion is formed by sintering ceramic beads or powder, and includes micropores that absorb and retain the liquid through capillary action to form a predetermined porosity. do.
- the ceramic atomizer for an aerosol generating device is characterized in that the absorbing part is formed by sintering ceramic beads with a diameter of 10 ⁇ m to 300 ⁇ m.
- the ceramic atomizer for an aerosol generating device is characterized in that the micropores have a diameter of 5 ⁇ m to 75 ⁇ m.
- the ceramic atomizer for an aerosol generating device is characterized in that the porosity of the absorption portion is 30% to 70%.
- the ceramic atomizer for an aerosol generating device is characterized in that the absorption portion is formed by sintering ceramic powder to which a pore-forming agent for forming pores is added.
- the ceramic atomizer for an aerosol generating device is characterized in that the addition amount of the pore-forming agent for forming pores is 10 wt% to 40 wt% by weight relative to the raw material powder.
- the aerosol generating device of an embodiment of the present invention includes a ceramic atomizer for the aerosol generating device of any of the above embodiments, a liquid tank storing a liquid to be converted into an aerosol, and an airflow path providing an inhalation flow for the aerosol to be inhaled by the user.
- a control unit for controlling the heat generation of the ceramic atomizer and a battery for power supply and the ceramic atomizer and the liquid tank are coupled to each other so that the liquid stored in the liquid tank can be absorbed into the absorption part of the ceramic atomizer.
- a ceramic atomizer for an aerosol generating device can be provided that can maintain cleanliness inside the device by absorbing liquid aerosol-generating substrate well and preventing it from leaking to the outside with a composite structure of hydrophilic and hydrophobic silicate. .
- a ceramic atomizer with a composite structure of hydrophilic and hydrophobic silicates can be manufactured through a single sintering process, thereby providing a ceramic atomizer for an aerosol generating device with a simple structure and process.
- FIG. 1 is a side cross-sectional view of a ceramic atomizer 100 for an aerosol generating device according to an embodiment of the present invention
- Figure 2 is a cross-sectional view showing a ceramic atomizer 100 for an aerosol generating device combined with a liquid tank 200 according to an embodiment of the present invention.
- Figure 3 is a top view (a) and a bottom view (b) for explaining the heat source 120 formed on one surface of the ceramic moisture absorber 110 of an embodiment of the present invention.
- FIGS. 4 to 10 are perspective and cross-sectional views showing the ceramic atomizer 100 and the liquid tank 200 coupled thereto according to various embodiments of the present invention
- Figure 11 is an internal configuration diagram conceptually showing an aerosol generating device 1 including a ceramic atomizer 100 for an aerosol generating device according to an embodiment of the present invention.
- the ceramic atomizer for the aerosol-generating device of the embodiments can generate an aerosol by heating an aerosol-forming substrate.
- the aerosol-forming substrate in the embodiments is a mixed material containing at least one of, for example, cut herb, flavoring, nicotine, VG (vegetable glycerin), PG (propylene glycol), etc.
- the aerosol-forming article or smoking article is It is a mixed material containing at least one of a series of laminated structures such as a filter part, a cooling part, and an aerosol-forming base layer (e.g., cut herb, flavoring, nicotine, VG (vegetable glycerin), PG (propylene glycol), etc. ) and consists of.
- the aerosol-forming substrate may be stored in a liquid tank in the form of a liquid or gel.
- the ceramic atomizer for the aerosol generating device of the embodiments may be included with a battery and a control unit in the aerosol generating device to heat the aerosol-forming substrate by a user or automatic control to generate an aerosol so that the user can inhale it.
- FIG. 1 is a side cross-sectional view of a ceramic atomizer 100 for an aerosol generating device according to an embodiment of the present invention.
- the ceramic atomizer 100 includes a ceramic hygroscopic body 110 made of a ceramic material and a heat source 120 formed on one side of the ceramic hygroscopic body 110.
- the ceramic moisture absorber 110 is characterized as being a single structure including an absorbing portion 111 formed of hydrophilic silicate for absorbing liquid and a waterproof portion 112 formed of hydrophobic silicate to prevent liquid leakage. Do it as
- Ceramic moisture absorber 110 examples include magnesium silicate, aluminum silicate, silicate silicate, zeolite, titanium oxide, titanium carbide, zirconia, silica, silicon carbide, silicon nitride, mullite, cordierite, tungsten carbide, zirconium carbide, It may be any one of aluminum nitride or a combination thereof.
- the ceramic moisture absorber 110 can be manufactured by laminating and sintering powder-type or bead-type ceramic materials such as the examples above.
- silicate powder, binder, and pore material are mixed, and then freeze-dried using a spray dryer or nitrogen drip to produce beads.
- the beads, binder, and pore material are mixed and sintered by natural drying or hot air drying in the desired shape through a press mold or injection mold.
- powder and pore-forming agent are mixed and sintered in the desired shape through press mold or injection mold by natural drying or hot air drying.
- silicate beads, powder, binder, and pore-forming agents are mixed and sintered in the desired shape through press mold or injection mold by natural drying or hot air drying.
- the absorbent portion 111 of the ceramic moisture absorber 110 may be formed of a hydrophilic silicate material
- the waterproof portion 112 may be formed of a hydrophobic silicate material.
- the hydrophilic silicate material includes cases where the material's natural nature is hydrophilic, and cases where the material's natural nature is not hydrophilic, but it becomes hydrophilic by adding hydrophilic processing.
- the term hydrophobic silicate material here includes cases where the material's natural nature is hydrophobic, and cases where the natural nature of the material is not hydrophobic, but it becomes hydrophobic by adding hydrophobic processing.
- the absorption portion 111 is preferably formed of a hydrophilic porous ceramic material.
- the absorbent portion 111 includes micropores that absorb and support the liquid through capillary action (retain the liquid to a degree that it does not flow out when exposed to air at room temperature) and form a predetermined porosity. If the absorbent portion 111 is made of a hydrophilic material, the surface tension may decrease and the absorption power of the liquid may increase.
- the absorber 111 can be manufactured by laminating and sintering powder-type or bead-type porous ceramics. Porous ceramics have pore diameter, porosity, and bead size that take into account the viscosity of the moisture-absorbing liquid.
- the waterproof portion 112 is made of hydrophobic silicate, and its liquid absorption capacity is significantly lower than that of the absorbent portion 111. Accordingly, even when it comes into contact with the liquid carried in the absorbing part 111 or the liquid stored in the liquid tank, the liquid is hardly absorbed, thereby playing the role of preventing liquid leakage.
- the waterproof portion 112 can also be formed by laminating and sintering ceramics. Accordingly, the absorbent portion 111 and the waterproof portion 112 can be simultaneously manufactured as a single structure, the ceramic moisture absorber 110, through the same sintering process.
- the absorption portion 111 is preferably formed by sintering ceramic beads with a diameter of 10 ⁇ m to 300 ⁇ m.
- the diameter of the micropores of the absorbing part 111 is preferably 5 ⁇ m to 75 ⁇ m because it can absorb liquid aerosol-forming substrate well.
- the porosity of the absorbent portion 111 is preferably 30% to 70%.
- the absorber 111 may be formed by sintering ceramic powder to which a pore-forming agent has been added. In this case, the amount of the pore-forming agent added is 10 wt% to 40 wt% by weight relative to the raw material powder. desirable.
- FIG. 2 is a cross-sectional view showing a ceramic atomizer 100 for an aerosol generating device according to an embodiment of the present invention combined with a liquid tank 200 for storing liquid to be converted into aerosol.
- the waterproof portion 112 serves to prevent leakage of the liquid contained in the absorbent portion 111
- the waterproof portion 112 is preferably formed to surround the outside of the absorbent portion 111.
- the waterproof portion 112 is formed to partially cover the side and bottom surfaces of the absorbent portion 111.
- the absorbent portion 111 is preferably formed with multiple sides so that it can easily absorb the liquid for conversion into aerosol, and it is preferable that at least two of its sides are exposed without being blocked by the waterproof portion 112.
- the heat source 120 is formed on one side of the absorbent portion 111 that is exposed and not blocked by the waterproof portion 112, that side serves as a screen where aerosol is generated by heating of the heat source 120. can do.
- the remaining surface of the absorbent part 111 that is exposed and not blocked by the waterproof part 112 can be brought into contact with the liquid to function as an absorbent surface.
- the liquid phase of the liquid tank 200 is absorbed by the upper surface of the exposed surface of the absorber 111, and a heat source 120 is formed on the lower surface of the absorber 111, which is used as a screenless surface.
- Figure 3 is a top view (a) and a bottom view (b) for explaining the heat source 120 formed on one surface of the ceramic moisture absorber 110 according to an embodiment of the present invention.
- the heat source 120 is formed on or near the surface of the ceramic moisture absorber 110, and is particularly preferably formed through a printing process.
- the material of the heat source 120 is preferably one of SUS, Kanthal, Ni-Cr, and graphene.
- the heat source 120 may be formed by inserting a heat wire before or during sintering of the ceramic moisture absorber 110.
- the connection pad 130 electrically connected to the heat source 120 can also be formed on one surface of the ceramic moisture absorber 110 in the same manner to receive power.
- the heat source 120 may be formed on a flat surface, a convex surface, or a concave surface of the ceramic moisture absorber 110.
- the heating wire 120 generates heat while flowing electricity, thereby heating the ceramic moisture absorber 110, particularly the aerosol-forming substrate absorbed in the absorber 111, to a liquid form to generate an aerosol.
- FIGS. 4 to 10 are perspective and cross-sectional views showing the ceramic atomizer 100 and the liquid tank 200 coupled thereto according to various embodiments of the present invention.
- FIG 4 showing an embodiment of the present invention, (a) is a perspective view of the ceramic moisture absorber 110, and (b) and (c) are respectively a view of the ceramic atomizer 100 combined with the liquid tank 200.
- This is an illustrative cross-sectional view and perspective view.
- the ceramic moisture absorber 110 included in the ceramic atomizer 100 is formed of a cylindrical absorbent portion 111 and a waterproof portion 112 surrounding the lower side of the absorbent portion 111.
- the heat source 120 was formed on the lower surface of the absorber 111.
- the liquid tank 200 is combined with a ceramic atomizer 100 so that the liquid can be absorbed into the upper and upper sides of the absorption part 111, which is the absorption surface.
- a waterproof portion 112 surrounds the lower side of the absorbent portion 111 to prevent liquid from leaking, and aerosol is generated from the lower surface of the absorbent portion 111 where the heat source 120 is formed.
- FIG. 5 showing another embodiment of the present invention
- (a) is a perspective view of the ceramic moisture absorber 110
- (b) and (c) are respectively a view of the ceramic atomizer 100 combined with the liquid tank 200.
- the ceramic moisture absorber 110 is formed of a flat cylindrical absorbent portion 111 and a bowl-shaped waterproof portion 112 formed at the bottom thereof.
- the heat source 120 was also formed on the lower surface of the absorber 111.
- the liquid is absorbed into the upper surface of the absorber 111, and an aerosol is generated from the lower surface where the heat source 120 is located.
- an aerosol release hole (not shown) may be formed in the waterproof part 120 that blocks the lower surface of the absorbent part 111 to allow the aerosol to be released to the bottom.
- FIG. 6 showing another embodiment of the present invention
- (a) is a perspective view of the ceramic moisture absorber 110
- (b) and (c) are respectively a view of the ceramic atomizer 100 combined with the liquid tank 200.
- the ceramic moisture absorber 110 is formed of a cylindrical absorbent portion 111 and a waterproof portion 112 surrounding the lower bottom surface (excluding the side surfaces).
- the heat source 120 was also formed on the lower surface of the absorber 111.
- the liquid is absorbed into the upper surface of the absorber 111, and an aerosol is generated from the lower surface where the heat source 120 is located.
- an aerosol release hole (not shown) may be formed in the waterproof part 120 that blocks the lower surface of the absorbent part 111 to allow the aerosol to be released to the bottom.
- FIG. 7 showing another embodiment of the present invention
- (a) is a perspective view of the ceramic moisture absorber 110
- (b) and (c) are views of the ceramic atomizer 100 combined with the liquid tank 200, respectively.
- the ceramic moisture absorber 110 is formed of a long cylindrical absorbent portion 111 and a waterproof portion 112 surrounding the lower end of the absorbent portion 112 like a pipe.
- the heat source 120 was formed on the lower side of the absorber 111.
- the liquid tank 200 is combined with a ceramic atomizer 100 so that the liquid can be absorbed into the upper and upper sides of the absorption part 111, which is the absorption surface.
- a waterproof portion 112 surrounds the lower side of the absorbent portion 111 to prevent liquid from leaking, and aerosol is generated from the side of the absorbent portion 111 where the heat source 120 is formed.
- FIG. 8 showing another embodiment of the present invention
- (a) is a perspective view of the ceramic moisture absorber 110
- (b) and (c) are views of the ceramic atomizer 100 combined with the liquid tank 200, respectively.
- This is a cross-sectional view and perspective view illustrating.
- the ceramic moisture absorber 110 is formed of a short cylindrical absorbent portion 111 and a pipe-shaped waterproof portion 112 that surrounds the bottom and sides of the absorbent portion and extends to the top.
- the heat source 120 was formed on the lower surface of the absorber 111.
- the liquid may flow from the liquid tank 200 to the inside of the waterproof part 112 and be absorbed into the upper surface of the absorption part 111.
- FIG. 9 showing another embodiment of the present invention
- (a) is a perspective view of the ceramic moisture absorber 110
- (b) and (c) are views of the ceramic atomizer 100 combined with the liquid tank 200, respectively.
- This is a cross-sectional view and perspective view illustrating.
- the ceramic moisture absorber 110 is formed of a cylindrical absorbent portion 111 and a waterproof portion 112 surrounding the entire surface except the lower surface.
- the heat source 120 was formed on the lower surface of the absorber 111.
- an airflow passage (h) in the form of a hole extending long from the top to the bottom is formed in the absorbing part 111, so that the aerosol generated at the bottom can move to the top.
- the overall outline (cross-sectional shape) of the ceramic moisture absorber 110 was circular, but it is not limited to this, and a square, polygonal, or oval outer shape can also be assumed.
- FIGS. 9 and 10 are cross-sectional views schematically showing a ceramic atomizer 100 combined with a liquid tank 200 according to another embodiment of the present invention.
- the ceramic moisture absorber 110 is a bent type to expand the contact area with the liquid and is coupled to the corner of the liquid tank 200, and has a heat source 120 on the side opposite to the surface where the absorber 111 is in contact with the liquid. and is wrapped with a waterproof part 112 to prevent liquid leakage.
- arrows exemplarily indicate the movement path of air currents.
- FIG 11 conceptually shows the internal configuration of an aerosol generating device 1 including a ceramic atomizer 100 for an aerosol generating device according to an embodiment of the present invention.
- the aerosol generating device 1 includes a case 10 that accommodates and protects other components, a ceramic atomizer 100 of any embodiment of the present invention, and stores a liquid (aerosol-forming base material) to be converted into an aerosol.
- a liquid tank 200 an airflow path 300 that provides a suction flow for the aerosol to be inhaled by the user, a control unit 400 for controlling heat generation of at least the ceramic atomizer 100, and a battery for power supply. It may include (500).
- the ceramic atomizer 100 and the liquid tank 200 are coupled to each other so that the liquid stored in the liquid tank 200 can be absorbed into the absorption part 111 of the ceramic atomizer 100,
- the ceramic moisture absorber 110 of the ceramic atomizer 100 especially the absorber 111, absorbs the moisture and serves as a wick.
- the control unit 400 is electrically connected to the connection pad 130 of the ceramic atomizer 100 and finally supplies electricity so that the heat source 120 can generate heat, and thus the absorption portion ( 111)
- the absorbed liquid may be heated.
- the liquid is heated, an aerosol is generated in the atomization unit (S), and the user can inhale the aerosol through the filter or drip tip (1000), and the inhalation flow at this time can be supplied by the airflow path (300). there is.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
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- Organic Chemistry (AREA)
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Abstract
Des modes de réalisation concernent un atomiseur céramique de dispositif de génération d'aérosol ayant des propriétés composites hydrophiles et hydrophobes, et, plus spécifiquement, un atomiseur céramique de dispositif de génération d'aérosol ayant un silicate hydrophobe pour empêcher les fuites et un silicate hydrophile pour l'hygroscopicité et l'adsorption. L'atomiseur céramique de dispositif de génération d'aérosol d'un mode de réalisation comprend : un corps hygroscopique en céramique composé d'un matériau céramique ; et une source de chauffage formée au niveau d'un côté du corps hygroscopique en céramique, le corps hygroscopique en céramique étant une structure unique comprenant une partie d'absorption pour absorber un liquide, laquelle est composée d'un silicate hydrophile, et une partie étanche à l'eau de prévention des fuites, laquelle est composée d'un silicate hydrophobe.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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KR10-2022-0055770 | 2022-05-04 | ||
KR20220055770 | 2022-05-04 | ||
KR1020220078111A KR20230155928A (ko) | 2022-05-04 | 2022-06-27 | 에어로졸 발생 장치용 친수성과 소수성 복합 성질의 세라믹 무화기 |
KR10-2022-0078111 | 2022-06-27 |
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WO2023214834A1 true WO2023214834A1 (fr) | 2023-11-09 |
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PCT/KR2023/006140 WO2023214834A1 (fr) | 2022-05-04 | 2023-05-04 | Atomiseur céramique de dispositif de génération d'aérosol ayant des propriétés composites hydrophiles et hydrophobes |
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WO (1) | WO2023214834A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180168225A1 (en) * | 2015-07-09 | 2018-06-21 | Philip Morris Products S.A. | Heater assembly for an aerosol-generating system |
KR20190140479A (ko) * | 2017-05-05 | 2019-12-19 | 후베이 차이나 토바코 인더스트리 컴퍼니 리미티드 | 복합 세라믹 무화기 및 그 제조 방법 |
KR20200070268A (ko) * | 2017-10-13 | 2020-06-17 | 하우니 마쉬넨바우 게엠베하 | 흡입기용, 특히 전자 담배 제품용 증발기 유닛 |
KR20210036859A (ko) * | 2019-09-26 | 2021-04-05 | 주식회사 이노아이티 | 누액을 방지할 수 있는 액상 카트리지, 이를 포함하는 에어로졸 발생장치용 스틱 및 이를 위한 에어로졸 발생장치 |
KR20210098116A (ko) * | 2020-01-31 | 2021-08-10 | 주식회사 케이티앤지 | 다공성 윅 및 이를 포함하는 증기화기와 에어로졸 발생 장치 |
-
2023
- 2023-05-04 WO PCT/KR2023/006140 patent/WO2023214834A1/fr unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180168225A1 (en) * | 2015-07-09 | 2018-06-21 | Philip Morris Products S.A. | Heater assembly for an aerosol-generating system |
KR20190140479A (ko) * | 2017-05-05 | 2019-12-19 | 후베이 차이나 토바코 인더스트리 컴퍼니 리미티드 | 복합 세라믹 무화기 및 그 제조 방법 |
KR20200070268A (ko) * | 2017-10-13 | 2020-06-17 | 하우니 마쉬넨바우 게엠베하 | 흡입기용, 특히 전자 담배 제품용 증발기 유닛 |
KR20210036859A (ko) * | 2019-09-26 | 2021-04-05 | 주식회사 이노아이티 | 누액을 방지할 수 있는 액상 카트리지, 이를 포함하는 에어로졸 발생장치용 스틱 및 이를 위한 에어로졸 발생장치 |
KR20210098116A (ko) * | 2020-01-31 | 2021-08-10 | 주식회사 케이티앤지 | 다공성 윅 및 이를 포함하는 증기화기와 에어로졸 발생 장치 |
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