WO2022193663A1 - Ensemble noyau d'atomisation, ensemble d'atomisation, atomiseur, appareil d'atomisation électronique, et cigarette électronique - Google Patents

Ensemble noyau d'atomisation, ensemble d'atomisation, atomiseur, appareil d'atomisation électronique, et cigarette électronique Download PDF

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Publication number
WO2022193663A1
WO2022193663A1 PCT/CN2021/126468 CN2021126468W WO2022193663A1 WO 2022193663 A1 WO2022193663 A1 WO 2022193663A1 CN 2021126468 W CN2021126468 W CN 2021126468W WO 2022193663 A1 WO2022193663 A1 WO 2022193663A1
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Prior art keywords
atomizing core
atomizing
core assembly
atomization
assembly
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PCT/CN2021/126468
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English (en)
Chinese (zh)
Inventor
江品颐
杨伟强
刘双任
吴学通
林信平
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比亚迪精密制造有限公司
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Publication of WO2022193663A1 publication Critical patent/WO2022193663A1/fr

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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
    • A24F40/10—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
    • 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
    • A24F40/42—Cartridges or containers for 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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present disclosure relates to the technical field of atomizing cores, and in particular, to atomizing core components, atomizing components, atomizers, electronic atomizing devices, and electronic cigarettes.
  • the atomizing core in the electronic cigarette is connected with the oil storage chamber that stores the atomizing liquid, which can conduct the atomizing liquid to the heating surface, and the atomizing liquid is heated on the heating surface to realize atomization.
  • the strength of the existing atomizing core is not good, and it is prone to cracks and even broken particles when subjected to external force, which affects the use of electronic cigarettes.
  • the present disclosure provides an atomizing assembly, which adopts a reinforcing layer with a small porosity to reinforce the atomizing core body, so as to improve the strength of the atomizing core assembly, while the atomizing core body maintains the original porosity and aperture, so as not to affect the atomization effect.
  • the present disclosure provides an atomizing core assembly, comprising an atomizing core body and a reinforcing layer, the atomizing core body includes a liquid absorbing surface and an atomizing surface arranged oppositely, and a connection between the liquid absorbing surface and the liquid absorbing surface is provided.
  • the outer peripheral surface of the atomizing surface, the reinforcing layer is arranged on the outer peripheral surface, and the porosity of the reinforcing layer is smaller than the porosity of the atomizing core body.
  • the porosity of the reinforcing layer is 0-50%.
  • the porosity of the atomizing core body is 30%-60%.
  • the thickness of the reinforcing layer is 0.1mm-0.5mm.
  • the atomizing core body has a plurality of first holes
  • the reinforcing layer has a plurality of second holes
  • the average hole diameter of the first holes is larger than the average hole diameter of the second holes.
  • the number of the first holes with a diameter of 10 ⁇ m-100 ⁇ m in the atomizing core body accounts for 90% or more.
  • the number of the second holes with a diameter of 0-50 ⁇ m in the reinforcing layer accounts for 90% or more.
  • the porosity of the atomizing core body gradually decreases.
  • the reinforcing layer completely covers the outer peripheral surface.
  • the crushing strength of the atomizing core assembly is 20MPa-120MPa.
  • the wear rate of the atomizing core assembly moving 20cm on 500# sandpaper is less than or equal to 6%.
  • the oil guiding speed of the atomizing core assembly is 0.5 mg/s-3 mg/s.
  • a reinforcing layer with a small porosity is used to reinforce the atomizing core body, so as to improve the strength of the atomizing core assembly, and improve the impact resistance and bumping resistance of the atomizing core assembly.
  • the body of the atomizing core maintains the original porosity and pore size, thereby maintaining the original atomization effect, ensuring the atomization performance of the atomizing core assembly, and is more conducive to its application.
  • the present disclosure provides an atomizing assembly, comprising the atomizing core assembly described in the first aspect and a heating body, and the heating body is disposed on the atomizing surface of the atomizing core assembly.
  • the atomization assembly provided by the present disclosure has high strength and good atomization effect, which is beneficial to its application.
  • the present disclosure provides an atomizer, including the atomization assembly and the oil storage assembly described in the second aspect; the oil storage assembly includes an oil storage cavity, the oil storage cavity and the atomization assembly contact with the suction surface.
  • the arrangement of the reinforcement layer improves the strength and sealing performance of the atomizer, and ensures that the atomizer has an excellent atomization effect.
  • the present disclosure provides an electronic atomization device, comprising the atomizer described in the third aspect and a power supply assembly, wherein the power supply assembly is electrically connected to the atomizer and is used to supply the atomizer to the atomizer. powered by.
  • the electronic atomization device provided by the present disclosure has good structural strength and long service life due to the use of the atomizing core assembly of the present disclosure, and has good atomization effect and good user experience.
  • the present disclosure provides an electronic cigarette, including the electronic atomizer described in the fourth aspect.
  • the electronic cigarette provided by the present disclosure has good structural strength, long service life, good atomization effect, and good user experience.
  • FIG. 1 is a schematic cross-sectional view of an atomizing core assembly provided by an embodiment of the present disclosure.
  • FIG. 2 is a schematic structural diagram of an atomizing core assembly provided by an embodiment of the present disclosure.
  • FIG 3 is a schematic cross-sectional view of an atomizing core body according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic cross-sectional view of an atomizing assembly provided by an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of an atomizing assembly provided by an embodiment of the present disclosure.
  • Atomizing core body-11 reinforcing layer-12, atomizing core assembly-10, liquid absorbing surface-111, atomizing surface-112, outer peripheral surface-113, heating body-20, atomizing assembly-100.
  • FIG. 1 and FIG. 2 are schematic cross-sectional views and schematic structural views of an atomizing core assembly provided in an embodiment of the present disclosure.
  • the atomizing core assembly 10 includes an atomizing core body 11 and a reinforcement layer 12 , and the atomizing core body 11 includes a relative The liquid absorbing surface 111 , the atomizing surface 112 and the outer peripheral surface 113 connecting the liquid absorbing surface 111 and the atomizing surface 112 are provided, and the reinforcing layer 12 is arranged on the outer peripheral surface 113 , and the porosity of the reinforcing layer 12 is smaller than that of the atomizing core body 11 . Porosity.
  • the reinforcing layer 12 with small porosity is used to reinforce the atomizing core body 11 with large porosity, so as to improve the strength of the entire atomizing core assembly 10 , and the reinforcing layer 12 is arranged on the outer peripheral surface of the atomizing core body 11 113, the porosity of the atomizing core body 11 is not affected, and thus the oil guiding ability and atomization effect are not affected.
  • the atomizing core assembly 10 greatly improves the strength of the atomizing core assembly 10, improves its impact resistance capability, ensures structural integrity and reliability, and prolongs the use of life, which is beneficial to its use.
  • FIG. 3 is a schematic cross-sectional view of an atomizing core body according to an embodiment of the present disclosure.
  • the atomizing core body 11 has a liquid absorbing surface 111 , an atomizing surface 112 , and a connection between the liquid absorbing surface 111 and the atomizing surface 112 . the outer peripheral surface 113. It can be understood that the atomized liquid enters the atomizing core body 11 through the liquid absorbing surface 111, and then is transferred to the heating surface, and atomized on the heating surface.
  • the reinforcing layer 12 in the present disclosure is disposed on the outer peripheral surface 113 of the atomizing core body 11, which does not affect the inhalation and transfer of the atomized liquid, nor does it affect the heat-generating atomization process.
  • the shape of the atomizing core body 11 may be, but not limited to, a rectangular parallelepiped, a cube, an irregular shape, etc., which is not limited thereto.
  • the porosity of the atomizing core body 11 is greater than the porosity of the reinforcing layer 12 to ensure the atomization effect of the atomizing core assembly 10 .
  • the porosity of the atomizing core body 11 is 30%-60%. Further, the porosity of the atomizing core body 11 is 40%-60%. Further, the porosity of the atomizing core body 11 is 45%-55%. Specifically, the porosity of the atomizing core body 11 may be, but not limited to, 30%, 33%, 42%, 45%, 47%, 50%, 53%, 55%, 58%, or 60%. Using the atomizing core body 11 with the above-mentioned porosity is more conducive to ensuring the atomization effect of the atomizing core assembly.
  • the atomizing core body 11 is a porous ceramic atomizing core.
  • the use of porous ceramic atomizing core can achieve stable liquid guiding and liquid locking functions, and the porous ceramic material is heated uniformly to ensure the atomization effect.
  • the porosity of the atomizing core body 11 gradually decreases. Therefore, the atomizing core body 11 can quickly absorb and transmit the atomizing liquid, so as to achieve a uniform and stable atomization effect. In one embodiment, along the direction from the liquid absorbing surface 111 to the atomizing surface 112 , the porosity of the atomizing core body 11 decreases continuously. In another embodiment, along the direction from the liquid absorbing surface 111 to the atomizing surface 112 , the porosity of the atomizing core body 11 decreases stepwise.
  • the reinforcement layer 12 is a ceramic layer. Further, the reinforcement layer 12 is a porous ceramic layer.
  • the porosity of the reinforcement layer 12 is 0-50%. Further, the porosity of the reinforcement layer 12 is 2%-40%. Further, the porosity of the reinforcing layer 12 is 5%-35%. Specifically, the porosity of the reinforcement layer 12 may be, but not limited to, 3%, 6%, 7%, 10%, 12%, 14%, 15%, 17%, 20%, 21%, 25%, 27%, 29%, 30%, 32%, 35%, 40%, 43%, 45%, 46% or 48% etc.
  • the structural strength of the atomizing core assembly 10 can be further enhanced by providing the reinforcing layer 12 with the above-mentioned porosity. In one embodiment, the porosity of the reinforcement layer 12 is less than 30%.
  • the reinforcing layer has a denser layer structure, which further improves the structural strength of the atomizing core assembly 10 . Further, the porosity of the reinforcement layer 12 is less than 25%. Further, the porosity of the reinforcement layer 12 is less than 20%.
  • the thickness of the reinforcement layer 12 is 0.1 mm-0.5 mm. Further, the thickness of the reinforcement layer 12 is 0.15mm-0.45mm. Further, the thickness of the reinforcing layer 12 is 0.2mm-0.4mm. Specifically, the thickness of the reinforcement layer 12 may be, but not limited to, 0.12mm, 0.14mm, 0.16mm, 0.2mm, 0.23mm, 0.27mm, 0.3mm, 0.31mm, 0.34mm, 0.35mm, 0.38mm, 0.41mm, 0.43mm mm or 0.47mm etc.
  • the reinforcement layer 12 completely covers the outer peripheral surface 113 . Therefore, the structural strength of the atomizing core assembly 10 can be greatly improved. In another embodiment of the present disclosure, the reinforcement layer 12 partially covers the outer peripheral surface 113 . Therefore, the specific position of the atomizing core assembly 10 can be reinforced.
  • the atomizing core body 11 has a plurality of first holes
  • the reinforcing layer 12 has a plurality of second holes
  • the average diameter of the first holes is larger than that of the second holes. That is, the porosity of the reinforcement layer 12 is greater than zero.
  • the number of first holes with a diameter of 10 ⁇ m-100 ⁇ m in the atomizing core body 11 accounts for 90% or more. Therefore, it is more beneficial to ensure the liquid guiding and liquid locking functions of the atomizing core body 11 during use, and to ensure the atomization effect of the atomizing core assembly 10 .
  • the number of second holes with a diameter of 0-50 ⁇ m in the reinforcement layer 12 accounts for 90% or more. Therefore, the compactness of the reinforcing layer 12 is better than that of the atomizing core body 11 , and further strengthens the atomizing core assembly 10 .
  • the crushing strength of the atomizing core assembly 10 is 20 MPa-120 MPa.
  • the atomizing core assembly 10 provided by the present disclosure has excellent structural strength, which is favorable for long-term stable use.
  • the crush strength of the atomizing core assembly 10 may be, but not limited to, 20 MPa, 25 MPa, 30 MPa, 37 MPa, 40 MPa, 50 MPa, 75 MPa, 90 MPa, 100 MPa, or 115 MPa.
  • the wear rate of the atomizing core assembly 10 moving 20cm on 500# sandpaper is less than or equal to 6%.
  • the atomizing core assembly 10 provided by the present disclosure has a small wear rate, and will not generate broken particles when subjected to external forces such as bumps, thereby ensuring its safety in use.
  • the wear rate of the atomizing core assembly 10 moving 20cm on 500# sandpaper is less than or equal to 5%.
  • the wear rate of the atomizing core assembly 10 moving 20cm on 500# sandpaper is less than or equal to 4%.
  • the oil guiding speed of the atomizing core assembly 10 is 0.5 mg/s-3 mg/s.
  • the oil guiding speed of the atomizing assembly 100 may be, but not limited to, 0.8 mg/s, 1 mg/s, 1.5 mg/s, 2 mg/s, 2.5 mg/s or 3 mg/s.
  • the structure of the atomizing core assembly 10 provided by the present disclosure is enhanced, but still has a relatively high oil guiding speed to ensure the atomization effect.
  • the present disclosure also provides a method for preparing the atomizing core assembly 10, so as to prepare the atomizing core assembly 10 in any of the above embodiments, the preparation method includes: providing an atomizing core blank after primary sintering, the atomizing core The green body has a liquid-absorbing surface, an atomizing surface and an appearance surface connecting the liquid-absorbing surface and the atomizing surface; the first sintering aid solution is coated on the appearance surface of the atomization core blank to form a first sintering aid Solution layer; the atomizing core assembly 10 is obtained after secondary sintering.
  • the first sintering aid solution by coating the first sintering aid solution on the appearance surface of the atomizing core blank, during the secondary sintering process, the first sintering aid melts and fills the surface layer of the appearance surface of the atomizing core blank, Therefore, the porosity of the surface layer of the appearance surface of the atomizing core blank is reduced after sintering, that is, the porosity of the surface layer filled with the first sintering aid is smaller than the porosity of the rest of the atomizing core blank, so that the The structural strength is increased, and the first sintering aid only fills the pores of the surface layer, and has no effect on the porosity of the rest of the atomizing core blank, thereby not affecting the atomization effect of the entire atomizing core assembly 10 .
  • providing an atomization core blank after primary sintering includes: mixing ceramic powder, a pore-forming agent, a molding additive, a second sintering aid, and a surfactant to obtain a mixed slurry; mixing the mixed slurry After forming, the atomizing core blank is obtained after one-time sintering.
  • the pore-forming agent accounts for 15%-35% of the weight of the ceramic powder
  • the molding additive accounts for 40%-60% of the weight of the ceramic powder
  • the second sintering aid accounts for 30%-50% of the weight of the ceramic powder
  • the surfactant accounts for 0.01%-5% of the weight of the ceramic powder.
  • the ceramic powder includes at least one of amorphous silicon oxide, quartz, aluminum oxide, silicon carbide, and titanium oxide.
  • the surfactant includes at least one of sodium carboxymethyl cellulose, polyammonium methacrylate, triethanolamine, and methyl cellulose.
  • the molding additive includes at least one of epoxy resin, sodium alginate, gelatin, paraffin, stearic acid and oleic acid.
  • the second sintering aid includes at least one of low-melting glass frit, silicon oxide, aluminum oxide, sodium oxide, potassium oxide, and sodium silicate.
  • the mixed slurry molding may be, but not limited to, die casting or injection molding.
  • the mixed slurry is injected into a molding machine and molded at 1 MPa-2 MPa.
  • the primary sintering includes heating at 20°C-30°C to 150°C-200°C, holding for 0.5h-2h, then heating to 600°C-700°C, holding for 0.5h-2h.
  • the organic components in the mixed slurry can be completely discharged to ensure the porosity and strength of the atomizing core blank.
  • the porosity of the atomizing core blank is 30%-60%.
  • the temperature is slowly lowered to room temperature, and the atomizing core blank can be taken out.
  • the first sintering aid in the first sintering aid solution includes at least one of low melting point glass frit, silica, alumina, sodium oxide, potassium oxide and sodium silicate.
  • the atomizing core assembly 10 after spraying the first sintering aid solution and then sintering, the atomizing core assembly 10 can be reinforced, and the use of the above-mentioned materials can help the atomizing core assembly 10 not to have defects such as cracking after secondary sintering Phenomenon. Further, the materials of the first sintering aid and the second sintering aid are the same.
  • the selection of the solvent in the first sintering aid solution is not limited, such as terpineol, water, ethanol, epoxy resin and the like.
  • the solid content of the first sintering aid solution is 30%-60%. Further, the solid content of the first sintering aid solution is 35%-55%. Further, the solid content of the first sintering aid solution is 40%-50%. Specifically, the solid content of the first sintering aid solution may be, but not limited to, 30%, 32%, 35%, 38%, 43%, 46%, 49%, 51%, 53%, 57%, or 60%, etc. .
  • the first sintering aid solution By using the above first sintering aid solution, not only can the first sintering aid solution have a certain viscosity, it can be better formed on the surface of the atomizing core blank, and at the same time, it can also provide excellent reinforcement after sintering It also ensures that there will be no defects such as cracks after sintering.
  • the first sintering aid solution can be coated on the appearance surface of the atomizing core blank by, but not limited to, spraying; The appearance surface of the core blank.
  • drying treatment is performed after spraying, so as to form a first sintering aid solution layer on the appearance surface of the atomization core blank.
  • drying includes treatment at 100°C-200°C for 20min-60min.
  • the thickness of the first sintering aid solution layer is 0.1 mm-0.5 mm. Therefore, spraying the first sintering aid solution can play a reinforcing role after sintering, and at the same time, it will not affect the atomization effect too much.
  • the secondary sintering includes treating at 500°C-650°C for 0.5h-2h.
  • the temperature of the secondary sintering can be, but not limited to, 500°C, 520°C, 530°C, 550°C, 575°C, 580°C, 600°C, 625°C or 640°C
  • the sintering time can be, but not limited to, 0.5h, 1h, 1.5h or 2h etc.
  • the temperature is slowly lowered to room temperature, and the atomizing core assembly 10 can be taken out for ultrasonic cleaning. Cracks appear.
  • the reinforcing layer 12 in the atomizing core assembly 10 is the surface layer of the appearance surface of the atomizing core blank filled with the first sintering aid. That is to say, the spraying amount of the first sintering aid solution is small.
  • the first sintering aid melts and completely fills the pores of the surface layer of the appearance of the atomizing core blank.
  • the surface layer of the appearance surface of the atomization core blank filled with the first sintering aid becomes the reinforcing layer 12 .
  • the reinforcing layer 12 in the atomizing core assembly 10 includes a surface layer on the appearance surface of the atomizing core blank filled with the first sintering aid, and the first sintering aid is in the appearance of the atomizing core blank. layer structure formed on the surface. That is to say, the spraying amount of the first sintering aid solution is large. During the secondary sintering process, part of the first sintering aid is melted and filled in the pores of the surface layer of the appearance of the atomizing core blank, and the other part is still covered in the mist.
  • the surface layer that is melted and filled by the first sintering aid, and the layer structure formed by the first sintering aid on the exterior surface of the atomizing core blank form the final Reinforcing layer 12 .
  • the porosity of the surface layer of the appearance surface of the atomization core blank filled with the first sintering aid is low, and the layer structure formed by the first sintering aid forms a relatively dense structure after sintering, so that the porosity of the reinforcing layer 12 is less than
  • the porosity of the atomizing core assembly 10 improves the structural strength of the atomizing core assembly 10 .
  • the porosity of the reinforcing layer 12 and the atomizing core body 11 in the atomizing core assembly 10 are different, and the materials of the reinforcing layer 12 and the atomizing core body 11 are also different, and the reinforcing layer 12 has the first sintering
  • the atomizing core body 11 only has the second sintering aid and does not have the first sintering aid; when the first sintering aid and the second sintering aid are of the same material, they cannot be distinguished , the total mass ratio of the first sintering aid to the second sintering aid in the reinforcement layer 12 is greater than the mass ratio of the second sintering aid in the atomizing core body 11; when the first sintering aid and the second sintering aid When the materials of the auxiliary agents are different, the mass proportion of the first sintering auxiliary agent in the reinforcing layer 12 is greater than the mass proportion of the first sintering auxiliary agent in the atomizing core body 11 (at this time,
  • the present disclosure also provides an atomizing assembly 100 , which is composed of the above-mentioned atomizing core assembly 10 .
  • the atomization assembly 100 provided by the present disclosure has high strength and good atomization effect, which is beneficial to its application.
  • FIG. 4 and FIG. 5 are schematic cross-sectional views and schematic structural views of an atomizing assembly provided in an embodiment of the present disclosure.
  • the atomizing assembly 100 includes an atomizing core assembly 10 and a heating body 20 , and the heating body 20 is disposed on the atomizing core assembly. 10 on the atomizing surface 112.
  • the heating body 20 includes any one of a heating coil or a heating mesh. Further, the heating body 20 is in an S shape or a U shape, so that the atomization surface 112 can be heated uniformly, so that the atomization effect is more uniform.
  • the present disclosure also provides an atomizer, the atomizer includes an oil storage assembly and the above-mentioned atomizing core assembly 10 , the oil storage assembly includes an oil storage cavity, the oil storage cavity and the liquid suction surface 111 of the atomizing core assembly 10 touch.
  • the arrangement of the reinforcement layer 12 improves the strength and sealing performance of the atomizer, and ensures that the atomizer has an excellent atomization effect.
  • the e-liquid is not easy to seep out from the outer peripheral surface 113 , and the sealing ability is improved.
  • the present disclosure also provides an electronic atomization device, the electronic atomization device includes a power supply assembly and the above-mentioned atomizer, the power supply assembly and the atomizer are electrically connected, and are used for supplying power to the atomizer.
  • the electronic atomization device provided by the present disclosure has good structural strength and long service life, and has good atomization effect and good user experience.
  • the present disclosure also provides an electronic cigarette, which includes the above-mentioned electronic atomizing device of the present disclosure.
  • the temperature of the barrel is 80 °C.
  • Use a vacuum pump to vacuum the barrel to discharge the air bubbles in the mixed slurry.
  • Use compressed air to press the slurry in the barrel into the mold. , the compressed air pressure was 1.5 MPa, and the mold temperature was 50° C. to obtain the first green body.
  • the first body was placed in a sintering furnace, heated to 300°C at a rate of 2°C/min, held at 300°C for 1 hour, raised to 650°C at a rate of 2°C/min, held at 650°C for 1 hour, and naturally cooled to obtain a sample, After ultrasonic cleaning, the required atomizing core blank is obtained after drying.
  • the low-melting glass powder is uniformly dispersed in pure water to prepare an aqueous solution of low-melting glass powder with a solid content of 30%.
  • the dried atomizing core was placed in a sintering furnace, raised to 650 °C at a rate of 2 °C/min, kept at 650 °C for 1 h, and the sample was obtained after natural cooling in the furnace.
  • the rate of porosity is 51%, the crushing strength is 25kgf, and the wear test is carried out under a load of 0.5kg, and the wear amount is 0.005g.
  • the detection method of porosity is to calculate the sample volume V, and then weigh the sample weight m 1 . Put it into pure water and vacuumize it.
  • the detection method of the wear amount is to place the atomizing core assembly on the 500# sandpaper under the load of 500g, and move the atomizing core assembly for 20cm under the condition of maintaining the load, and measure the difference between the quality before and after.
  • Example 1 The difference from Example 1 is that the performance test is carried out directly after making the atomizing core blank, wherein the mass of the atomizing core blank is 0.12g, the porosity is 53%, the crushing strength is 15kgf, and the load is 0.5kg.
  • the wear test was carried out under the following conditions, and the wear amount was 0.01 g.
  • Example 1 Comparative Example 1 that the strength of the atomizing core assembly with the reinforcing layer of the present disclosure is high, and the atomization effect is not affected, which is more beneficial to its application.

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Abstract

L'invention concerne un ensemble noyau d'atomisation (10), un ensemble d'atomisation (100), un atomiseur, un appareil d'atomisation électronique, et une cigarette électronique. L'ensemble noyau d'atomisation (10) comprend un corps de noyau d'atomisation (11) et une couche de renforcement (12) ; le corps de noyau d'atomisation (11) comprend une surface d'absorption de liquide (111) et une surface d'atomisation (112) qui sont disposées à l'opposé l'une de l'autre, et une surface périphérique (113) reliant la surface d'absorption de liquide (111) et la surface d'atomisation (112) ; la couche de renforcement (12) est disposée sur la surface périphérique (113) ; et la porosité de la couche de renforcement (12) est inférieure à la porosité du corps de noyau d'atomisation (11). Dans l'ensemble noyau d'atomisation (10), la couche de renforcement (12) ayant la faible porosité est utilisée pour renforcer le corps de noyau d'atomisation (11), ce qui améliore ainsi la résistance de l'ensemble noyau d'atomisation (10) ; en outre, le corps de noyau d'atomisation (11) maintient la porosité et l'ouverture d'origine, et ainsi, l'effet d'atomisation n'est pas affecté.
PCT/CN2021/126468 2021-03-15 2021-10-26 Ensemble noyau d'atomisation, ensemble d'atomisation, atomiseur, appareil d'atomisation électronique, et cigarette électronique WO2022193663A1 (fr)

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CN202120537486.8U CN215422793U (zh) 2021-03-15 2021-03-15 雾化芯组件、雾化组件、雾化器、电子雾化装置及电子烟
CN202120537486.8 2021-03-15

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Citations (6)

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