CN116784536A - Aerosol generating device capable of sucking material and preparation method thereof - Google Patents
Aerosol generating device capable of sucking material and preparation method thereof Download PDFInfo
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- CN116784536A CN116784536A CN202310775541.0A CN202310775541A CN116784536A CN 116784536 A CN116784536 A CN 116784536A CN 202310775541 A CN202310775541 A CN 202310775541A CN 116784536 A CN116784536 A CN 116784536A
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- aerosol generating
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- 239000000463 material Substances 0.000 title claims abstract description 40
- 239000000443 aerosol Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000004080 punching Methods 0.000 claims abstract description 20
- 238000003754 machining Methods 0.000 claims abstract description 18
- 238000000889 atomisation Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims abstract description 3
- 238000005245 sintering Methods 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052716 thallium Inorganic materials 0.000 claims description 6
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910026551 ZrC Inorganic materials 0.000 claims description 3
- LRTTZMZPZHBOPO-UHFFFAOYSA-N [B].[B].[Hf] Chemical compound [B].[B].[Hf] LRTTZMZPZHBOPO-UHFFFAOYSA-N 0.000 claims description 3
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 3
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010344 co-firing Methods 0.000 claims description 3
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910021344 molybdenum silicide Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 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
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- 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
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses an aerosol generating device of a smokable material and a preparation method thereof, and relates to the technical field of electronic atomization. The aerosol generating device of the smokable material comprises a liquid suction part, a liquid suction part and a liquid suction part, wherein a plurality of first through holes are formed in the liquid suction part; the heating part is in butt joint with the liquid suction part in the height direction and is of an integrated structure, one end of the heating part, which is far away from the liquid suction part, is constructed into an atomization surface, a plurality of second through holes penetrating through the heating part are formed in the atomization surface, the plurality of first through holes are communicated with the plurality of second through holes, and the first through holes and the second through holes are formed in a machining punching mode; and the conductive components are arranged on the heating part and respectively connected with the heating part and are used for switching on an external power supply to supply electric energy to the heating part. The aerosol generating device adopts the through holes formed by machining and punching, and the aperture and the porosity are adjustable, so that the liquid substrate can be smoothly conducted, the atomization effect can be improved, and the service life of the aerosol generating device can be prolonged.
Description
Technical Field
The invention relates to the technical field of electronic atomization, in particular to an aerosol generating device capable of sucking materials and a preparation method thereof.
Background
At present, porous ceramics are added with pore-forming agents and sintered, on one hand, the strength is poor, powder is easy to fall off after being burned for a long time, and the powder falling not only affects the taste, but also causes certain potential safety hazard; on the other hand, the pore size and the porosity of the porous ceramic sintered by the pore-forming agent cannot be accurately regulated and controlled, and dead holes and blind holes are formed in local positions, so that oil guiding is affected, insufficient oil supply is caused, and the problem of dry burning of the core is caused. In addition, the existing porous ceramic heating element is mostly metal heating wires or thick film heating slurry, and because the difference of the thermal expansion coefficients of the heating element and the porous ceramic is large, stress is easy to generate in the atomization process, so that the heating element is separated from a film or broken, and the service life of a product is influenced.
Disclosure of Invention
The invention mainly aims to provide an aerosol generating device capable of sucking materials, and aims to solve the technical problem of short service life of the existing porous ceramics.
To achieve the above object, the present invention provides an aerosol generating device of a smokable material, comprising:
the liquid suction part is provided with a plurality of first through holes;
the heating part is in butt joint with the liquid suction part in the height direction and is of an integrated structure, one end of the heating part, which is far away from the liquid suction part, is constructed into an atomization surface, a plurality of second through holes penetrating through the heating part are formed in the atomization surface, the plurality of first through holes are communicated with the plurality of second through holes, and the first through holes and the second through holes are formed in a machining punching mode;
and the conductive components are arranged on the heating part and are respectively and electrically connected with the heating part, and are used for switching on an external power supply so as to supply electric energy to the heating part.
In some embodiments, the machining perforations include at least one of laser perforation, spark perforation, and ultrasonic perforation.
In some embodiments, the liquid absorbing part and the heating part are formed into a whole structure through high-temperature co-firing, and the sintering temperature of the liquid absorbing part and the heating part is 1500-2200 ℃.
In some embodiments, the sintered material of the wick includes a first structural phase and the sintered material of the heating portion includes a mixture of a second structural phase and a conductive phase.
In some embodiments, the first structural phase and the second structural phase are the same material.
In some embodiments, the first structural phase and the second structural phase each comprise at least one of silicon carbide, silicon oxide, aluminum oxide, and zirconium oxide, and the conductive phase comprises at least one of titanium nitride, zirconium nitride, titanium carbonitride, titanium carbide, zirconium carbide, thallium carbide, hafnium carbide, titanium boride, zirconium boride, thallium boride, hafnium boride, molybdenum silicide, and tungsten carbide.
In some embodiments, the first through holes in the height direction of the liquid absorbing part and the heating part have a pore size of 5-120 μm, and the adjacent two first through holes have a pore spacing of 5-120 μm; and/or the pore size of the second through holes in the height direction of the liquid absorbing part and the heating part is 5-120 mu m, and the pore distance between two adjacent second through holes is 5-120 mu m.
In some embodiments, the first through hole is provided on both the end surface and the side surface of the liquid absorbing part.
In some embodiments, the wick has a thickness of 0.1mm to 15mm and/or the heating portion has a thickness of 0.05mm to 5mm.
In some embodiments, the second through-hole and the first through-hole are in the shape of one or a combination of round, square, prismatic, star-shaped, heart-shaped.
Preferably, the liquid absorbing part and the heating part are in a cylinder or a prism; the prism may be any one of triangular pyramid, quadrangular prism, pentagonal prism, and hexagonal prism.
Further, the conductive component is an electrode, including a positive electrode and a negative electrode. The positive electrode and the negative electrode are arranged on two sides of the heating part. The electrode is selected from one of silver electrode, copper alloy electrode, zinc electrode and tungsten alloy electrode. Preferably, the electrodes are applied by thick film printing, physical Vapor Deposition (PVD), chemical Vapor Deposition (CVD), electroplating or electroless plating processes.
The invention also provides a preparation method of the aerosol generating device of the smokable material, which comprises the following steps:
1) The sintering material of the liquid suction part and the sintering material of the heating part are molded into an integrated structure;
2) Performing glue discharging oxidation on the integrated structure;
3) The ceramic body with the integrated liquid suction part and the heating part is formed by atmosphere sintering after the glue is discharged and oxidized;
4) Forming a plurality of first through holes on the liquid suction part of the ceramic body in a machining and punching mode, and forming a plurality of second through holes on the heating part of the ceramic body in a machining and punching mode;
5) The heating part is connected with a conductive component.
Preferably, in the step 2), the process conditions of the glue discharging oxidation are that the temperature is raised to 1000-1300 ℃, the temperature is kept for 1-5 hours, and the temperature raising rate is 0.1-5 ℃/min. More preferably, the temperature is raised to 1150-1250 ℃ by adopting the temperature raising rate of 2-3 ℃/min, and the temperature is kept for 3-4 hours.
Preferably, in the step 3), the technological condition of atmosphere sintering is that the temperature is raised to 1500-2200 ℃ for sintering for 1-5 hours under the atmosphere of nitrogen or argon, and the temperature raising rate is 0.1-5 ℃/min. More preferably, the sintering is performed for 3-4 hours under nitrogen or argon atmosphere at a temperature rising to 1800-2000 ℃ at a rate of 2-3 ℃/min.
Compared with the prior art, the invention solves the following technical problems: firstly, the through hole formed by adopting a machining punching mode can not have a blind hole, so that a liquid substrate can be smoothly conducted, and the problems of insufficient oil supply and dry burning of a core are avoided. And secondly, the aperture and the porosity of the through hole formed by adopting a machining punching mode are adjustable, so that the atomization effect can be improved. Thirdly, the liquid suction part and the heating part are of an integrated structure, so that the problem that the heating film falls off is avoided, and the service life of the product is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an aerosol-generating device of ceramic smokable material according to embodiment 1 of the present invention.
Fig. 2 is a cross-sectional view of an aerosol-generating device of ceramic smokable material according to embodiment 1 of the present invention.
Fig. 3 is a flow chart of an aerosol generating device for preparing ceramic smokable material according to embodiment 1 of the present invention.
The figure identifies the description: the aerosol generating device for sucking material comprises a heating part-100, a liquid sucking part-111, front and back through holes-112, a second through hole-113, left and right through holes-114, side through holes-115, upper and lower through holes-116, a first through hole-117, a conductive component-120 and an atomizing surface-130.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance. It should also be noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 and 2, an aerosol generating device 100 of smokable material includes a heating portion 110, a liquid absorbing portion 111, and a conductive assembly 120. The heating part 110 and the liquid absorbing part 111 are butted in the height direction and are of an integrated structure, and the conductive assemblies 120 are arranged on the heating part 110 and respectively connected with the heating part 110 for switching on an external power supply to supply electric energy to the heating part 110.
The heating part 110 may be a cylinder or a prism, the prism may be any one of a triangular pyramid, a quadrangular prism, a pentagonal prism and a hexagonal prism, and the thickness of the heating part 110 is 0.05mm-5mm; in this embodiment, the heating portion 110 is a cylinder.
One end of the heating part 110 far away from the liquid absorbing part 111 is configured as an atomization surface 130, and a plurality of second through holes 113 penetrating the heating part 110 from top to bottom are formed on the atomization surface 130. The second through holes 113 have a pore size of 5 μm to 120 μm, and the adjacent two second through holes have a pore spacing of 5 μm to 120 μm. Specifically, one distribution manner of the second through holes 113 is that the hole pitch and the hole diameter of two adjacent second through holes 113 are unequal, and another embodiment is that the hole diameter of the second through holes in the central area of the atomizing surface 130 is larger than the hole diameters of the surrounding second through holes, and the hole pitch of the second through holes in the central area is smaller than the hole pitch of the surrounding second through holes.
The conductive component 120 is an electrode, including a positive electrode and a negative electrode, which are disposed on opposite sides of the heating portion and connected through an electrode welding spot. The electrode can be any one of silver electrode, copper alloy electrode, zinc electrode and tungsten alloy electrode. The electrodes may be applied by thick film printing, physical Vapor Deposition (PVD), chemical Vapor Deposition (CVD), electroplating or electroless plating processes, preferably sintered using printed silver paste for reduced manufacturing costs and optimized processes.
The liquid absorbing portion 111 may be a cylinder or a prism, and the prism may be any one of a triangular pyramid, a quadrangular prism, a pentagonal prism, and a hexagonal prism, and the thickness of the liquid absorbing portion 111 is 0.1mm to 15mm. Preferably, the shape of the liquid absorbing portion 111 is the same as that of the heating portion 110, and as in the present embodiment, the liquid absorbing portion 111 is a cylinder with the same diameter as that of the heating portion 110.
The liquid suction portion 111 is provided with a plurality of first through holes 117, the size of the apertures of the first through holes 117 is 5 μm to 120 μm, and the pitch of the apertures of the first through holes is 5 μm to 120 μm. Preferably, the hole spacing and the hole diameter of two adjacent first through holes 117 are not equal.
In this embodiment, the liquid suction portion 111 is provided with a first through hole 117 on both the end surface and the side surface. Specifically, the first through-hole 117 includes an upper and lower through-hole 116 penetrating the liquid suction portion from top to bottom in the height direction and a side through-hole 115 penetrating the liquid suction portion from side to side, and the upper and lower through-hole 116 communicates with at least one of the side through-holes 115. The side through holes 115 include front and rear through holes 112 that extend through the liquid absorbing portion from front to rear and left and right through holes 114 that extend through the liquid absorbing portion from left to right. The upper and lower through holes 116, the front and rear through holes 112, and the left and right through holes 114 on the liquid suction portion form liquid guide channels.
Further, in the present embodiment, the front-rear through hole 112 and the left-right through hole 114 are spatially perpendicular to each other; five front and rear through holes 112, wherein one front and rear through hole 112 positioned in the center is a central hole, and the other four front and rear through holes 112 are distributed around the central hole; more preferably, the central aperture has a larger aperture than the remaining four front-to-rear through-holes 112. The number of the left through holes 114 and the right through holes 114 is five, and the distribution of the five left through holes 114 and the five right through holes 114 is the same as that of the five front through holes 112 and the five rear through holes 112; the front and rear through holes 112 and the left and right through holes 114 of the same height on the liquid suction portion 111 communicate with each other.
The plurality of first through holes 117 communicate with the plurality of second through holes 113. In this embodiment, the second through holes 113 are at least communicated with one of the upper and lower through holes 116, specifically, as shown in fig. 2, the positions of the upper and lower through holes 116 and the second through holes 113 are in one-to-one correspondence, the upper and lower through holes 116 are mutually communicated with the corresponding second through holes 113, and the apertures of the upper and lower through holes 116 and the corresponding communicated second through holes 113 are the same.
The first through hole 117 and the second through hole 113 are formed by machining and punching, and in particular, the machining and punching is one or a combination of mechanical punching, laser punching, spark punching and ultrasonic punching. The shape of the second through hole and the first through hole is one or a combination of more of round, square, prismatic, star-shaped and heart-shaped.
In the aerosol generating device 100 of the smokable material of this embodiment, the liquid suction portion and the heating portion are formed into an integral structure by high-temperature co-firing, and the sintering temperature of the liquid suction portion and the heating portion is 1500-2200 ℃. Preferably, the sintering temperature is controlled between 1800 ℃ and 2000 ℃. After sintering, the resistance of the heating portion 110 is 0.1 to 2 Ω.
The sintered material of the liquid absorbing portion 111 includes a first structural phase, which may be a combination of one or more of silicon carbide, silicon oxide, aluminum oxide, and zirconium oxide. The sintered material of the heating part 110 includes a mixture of a second structural phase and a conductive phase; the second structural phase may be a composition of one or more of silicon carbide, silicon oxide, aluminum oxide, zirconium oxide, and the conductive phase may be a composition of one or more of titanium nitride, zirconium nitride, titanium carbonitride, titanium carbide, zirconium carbide, thallium carbide, hafnium carbide, titanium boride, zirconium boride, thallium boride, hafnium boride, molybdenum silicide, tungsten carbide. To reduce the manufacturing cost and difficulty of the sintering process, the first structural phase of the liquid absorbing part 111 and the second structural phase of the heating part 110 are made of the same material.
The preparation method of the aerosol generating device of the smokable material comprises the following steps of:
1) The sintering material of the liquid suction part and the sintering material of the heating part are molded into an integrated structure;
2) Performing glue discharging oxidation on the integrated structure; specifically, the temperature is increased to 1200 ℃ at a heating rate of 3 ℃/min, and the temperature is kept for 3 hours;
3) The ceramic body with the integrated liquid suction part and the heating part is formed by atmosphere sintering after the glue is discharged and oxidized; specifically, the temperature is raised to 2000 ℃ at a heating rate of 3 ℃/min under the atmosphere of nitrogen or argon, and the mixture is sintered for 4 hours and then cooled along with a furnace.
4) Forming a plurality of first through holes on the liquid suction part of the ceramic body in a machining and punching mode, and forming a plurality of second through holes on the heating part of the ceramic body in a machining and punching mode;
5) The heating part is connected with a conductive component.
According to the aerosol generating device for the smokeable material, through holes formed by machining and punching are free of blind holes, so that liquid substrates can be smoothly conducted, and the problems of insufficient oil supply and dry burning of cores are avoided; meanwhile, the aperture and the porosity of the through hole formed by adopting a machining punching mode are adjustable, so that the atomization effect can be improved; in addition, the liquid suction part and the heating part are of an integrated structure, so that the problem that the heating film falls off is avoided, and the service life of the aerosol generating device can be prolonged.
Example 2
The aerosol generating device of the smokable material in this embodiment is different from that of embodiment 1 in that the diameter of the heating portion 110 and the cylindrical body of the liquid suction portion 111 is 8mm. The second through holes 113 and the first through holes 117 are round holes and are uniformly distributed; the second through-holes 113 had a pore diameter of 20 μm, a pore pitch of 20 μm, a height of the heating portion 110 of 1mm, a pore diameter of the first through-holes 117 of 30 μm, a pore pitch of 35 μm, and a height of the liquid absorbing portion 111 of 8mm.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. An aerosol-generating device of smokable material, comprising:
the liquid suction part is provided with a plurality of first through holes;
the heating part is in butt joint with the liquid suction part in the height direction and is of an integrated structure, one end of the heating part, which is far away from the liquid suction part, is constructed into an atomization surface, a plurality of second through holes penetrating through the heating part are formed in the atomization surface, the plurality of first through holes are communicated with the plurality of second through holes, and the first through holes and the second through holes are formed in a machining punching mode;
and the conductive components are arranged on the heating part and are respectively and electrically connected with the heating part, and are used for switching on an external power supply so as to supply electric energy to the heating part.
2. The aerosol generating device of claim 1, wherein the machining perforations comprise at least one of laser perforation, spark perforation, and ultrasonic perforation.
3. The aerosol generating device of smokable material according to claim 1, wherein said liquid absorbing portion and said heating portion are formed into a unitary structure by co-firing at a high temperature, and wherein said liquid absorbing portion and said heating portion have a sintering temperature of 1500-2200 ℃.
4. An aerosol generating device of smokable material according to claim 3, wherein the sintered material of said wick comprises a first structural phase and the sintered material of said heating portion comprises a mixture of a second structural phase and a conductive phase.
5. The aerosol generating device of smokable material according to claim 4, wherein said first structural phase and said second structural phase are the same material.
6. The aerosol generating device of claim 5, wherein the first structural phase and the second structural phase each comprise at least one of silicon carbide, silicon oxide, aluminum oxide, and zirconium oxide, and the conductive phase comprises at least one of titanium nitride, zirconium nitride, titanium carbonitride, titanium carbide, zirconium carbide, thallium carbide, hafnium carbide, titanium boride, zirconium boride, thallium boride, hafnium boride, molybdenum silicide, and tungsten carbide.
7. The aerosol generating device of a smokable material according to claim 1, wherein the first through holes in the height direction of said liquid sucking portion and said heating portion have a pore size of 5 to 120 μm, and the adjacent two first through holes have a pore spacing of 5 to 120 μm; and/or the number of the groups of groups,
the aperture size of the second through holes in the height direction of the liquid absorbing part and the heating part is 5-120 mu m, and the hole spacing between two adjacent second through holes is 5-120 mu m.
8. An aerosol generating device of smokable material according to claim 1, wherein said first through hole is provided in both the end face and the side face of said liquid absorbing portion.
9. An aerosol generating device of smokable material according to claim 1, wherein said wick is 0.1mm to 15mm thick and/or said heating portion is 0.05mm to 5mm thick.
10. A method of making an aerosol-generating device of smokable material, comprising the steps of:
1) The sintering material of the liquid suction part and the sintering material of the heating part are molded into an integrated structure;
2) Performing glue discharging oxidation on the integrated structure;
3) The ceramic body with the integrated liquid suction part and the heating part is formed by atmosphere sintering after the glue is discharged and oxidized;
4) Forming a plurality of first through holes on the liquid suction part of the ceramic body in a machining and punching mode, and forming a plurality of second through holes on the heating part of the ceramic body in a machining and punching mode;
5) The heating part is connected with a conductive component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310775541.0A CN116784536A (en) | 2023-06-27 | 2023-06-27 | Aerosol generating device capable of sucking material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310775541.0A CN116784536A (en) | 2023-06-27 | 2023-06-27 | Aerosol generating device capable of sucking material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116784536A true CN116784536A (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310775541.0A Pending CN116784536A (en) | 2023-06-27 | 2023-06-27 | Aerosol generating device capable of sucking material and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN116784536A (en) |
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2023
- 2023-06-27 CN CN202310775541.0A patent/CN116784536A/en active Pending
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