WO2021098292A1 - 导液件、雾化芯、雾化器及气溶胶产生系统 - Google Patents

导液件、雾化芯、雾化器及气溶胶产生系统 Download PDF

Info

Publication number
WO2021098292A1
WO2021098292A1 PCT/CN2020/108184 CN2020108184W WO2021098292A1 WO 2021098292 A1 WO2021098292 A1 WO 2021098292A1 CN 2020108184 W CN2020108184 W CN 2020108184W WO 2021098292 A1 WO2021098292 A1 WO 2021098292A1
Authority
WO
WIPO (PCT)
Prior art keywords
core layer
porous core
region
liquid guide
liquid
Prior art date
Application number
PCT/CN2020/108184
Other languages
English (en)
French (fr)
Inventor
邱伟华
Original Assignee
常州市派腾电子技术服务有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 常州市派腾电子技术服务有限公司 filed Critical 常州市派腾电子技术服务有限公司
Priority to EP20889954.2A priority Critical patent/EP4062781A4/en
Publication of WO2021098292A1 publication Critical patent/WO2021098292A1/zh
Priority to US17/749,181 priority patent/US20220273039A1/en

Links

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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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
    • A24F40/10—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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the invention relates to the technical field of aerosol generation systems, in particular to a liquid guide, an atomization core, an atomizer and an aerosol generation system.
  • the aerosol generation system is mainly composed of two parts, the atomization core and the battery assembly.
  • the liquid guide and heating element in the atomization core are the core components of the atomization technology, which play a decisive role in the taste of the aerosol generation system product.
  • porous ceramics are often used as the liquid guide of the aerosol generating system, and porous ceramics as the liquid guide of the aerosol generating system have the advantages of large aerosol volume, long life, and good taste.
  • the porous ceramics used in the prior art have larger pores to store aerosols to form a matrix. In this way, an excessive amount of aerosol-forming substrate will be present at the position of the heating element, and a leakage problem of the aerosol-forming substrate will occur.
  • porous ceramics with small pores as liquid guides can not only minimize the risk of aerosol-forming matrix leakage, but also increase the storage space of the liquid guide.
  • the aerosol forming matrix will not be sufficiently transported from the liquid guide to the heating element, and dry burning, coking, or insufficient aerosol amount will easily occur.
  • the present invention provides an aerosol-forming substrate with a low risk of leakage and can avoid dry burning, coking, or insufficient aerosol volume.
  • a liquid guide the liquid guide cooperates with a heating element for atomizing an aerosol to form a substrate
  • the liquid guide includes at least one porous core layer; the porous core layer farthest from the heating element is defined as The first porous core layer, the porous core layer adjacent to the heating element is the i-th porous core layer, i is a positive integer and i ⁇ 1;
  • the flow transmission in the porous core layer is characterized by the effective performance index E of the liquid guide, which is characterized in that E satisfies:
  • E is the effective performance index of the liquid guide
  • c i is the permeability coefficient of the i-th porous core layer
  • ⁇ i is the porosity of the i-th porous core layer
  • R i is the average of the i-th porous core layer Pore radius
  • l i is the thickness of the i-th porous core layer.
  • the liquid guide is divided into a plurality of areas, the area far away from the heating element is defined as the first area, the area adjacent to the heating element is the i-th area, and the first area and the area adjacent to the heating element are defined as the i-th area.
  • the area between the i-th area is the x-th area; R is defined as the average pore radius of the porous core layer, then the average pore radius of the porous core layer in the first area is greater than or equal to the porous core layer in the i-th area
  • the average pore radius of is greater than the average pore radius of the porous core layer in the x-th region, that is, the average pore radius R from the first region to the i-th region satisfies: R 1 ⁇ R i and R 1 > R x , 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the average pore radius R x of the porous core layer in the x-th region satisfies that at least one R x is smaller than the flow velocity R i in the i-th region.
  • the average pore radius R x of the porous core layer in the x- th region gradually decreases from the first region to the i-th region.
  • the average pore radius R x of the porous core layer in the x-th region satisfies: at least one R x is not less than the flow velocity R i in the i-th region.
  • the liquid guide is divided into a plurality of areas, the area far away from the heating element is defined as the first area, the area adjacent to the heating element is the i-th area, and the first area and the area adjacent to the heating element are defined as the i-th area.
  • the region between the i-th region is the x-th region; the porosity ⁇ of the porous core layer from the first region to the i-th region satisfies: ⁇ 1 ⁇ ⁇ i and ⁇ 1 > ⁇ x , 1 ⁇ x ⁇ i, where i is a positive integer and i ⁇ 2.
  • the porosity ⁇ x of the porous core layer in the x-th region satisfies: at least one ⁇ x is smaller than the flow velocity ⁇ i in the i-th region.
  • the porosity ⁇ x of the porous core layer in the x- th region gradually decreases from the first region to the i-th region.
  • the porosity ⁇ x of the porous core layer in the x-th region satisfies: at least one ⁇ x is not less than the flow velocity ⁇ i in the i-th region.
  • the liquid guide is divided into a plurality of areas, the area far away from the heating element is defined as the first area, the area adjacent to the heating element is the i-th area, and the first area and the area adjacent to the heating element are defined as the i-th area.
  • the area between the i-th area is the x-th area; the thickness of the porous core layer in two adjacent areas is L satisfies: 1 ⁇ L n-1 /L n ⁇ 100, n is a positive integer and 1 ⁇ n ⁇ i, i is a positive integer and i ⁇ 2.
  • the liquid guide includes at least two porous core layers, one porous core layer corresponds to one of the regions, the first porous core layer of the liquid guide corresponds to the first region, and the liquid guide The xth porous core layer corresponds to the xth region, and the ith porous core layer of the liquid guide corresponds to the ith region.
  • the liquid guide only includes one porous core layer, and the one porous core layer is divided into a plurality of the regions.
  • a groove is formed on the xth porous core layer, and the x-1th porous core layer is accommodated in the groove of the xth porous core layer, wherein 1 ⁇ x ⁇ i.
  • a groove is formed from the second porous core layer to the i-th porous core layer, and the i-1th porous core layer is accommodated in the groove of the i-th porous core layer.
  • a liquid guide the liquid guide cooperates with a heating element for atomizing an aerosol to form a matrix
  • the liquid guide is divided into a plurality of areas, and the region farthest from the heating element is defined as the first Area, the area adjacent to the heating element is the i-th area, and the area between the first area and the i-th area is defined as the x-th area, then the aerosol-forming matrix is in the first area to the first area
  • the flow velocity Q in the i areas satisfies: Q 1 ⁇ Q i , and Q 1 >Q x , 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the aerosol-forming substrate flow rate Q satisfies x in the x-th area: at least one less than the flow velocity in the x Q i-th area Q i.
  • the flow velocity Q x of the aerosol-forming substrate in the x-th area gradually decreases from the first area to the i-th area.
  • the flow rate Q x of the aerosol-forming substrate in the x-th region satisfies: at least one Q x is not less than the flow rate Q i in the i-th region.
  • the liquid guide includes at least one porous core layer; by defining R as the average pore radius of the porous core layer, the average pore radius of the porous core layer in the first region is greater than or equal to the porous core in the i-th region
  • the average pore radius of the layer is greater than the average pore radius of the porous core layer in the x-th region, that is, the average pore radius R from the first region to the i-th region satisfies: R 1 ⁇ R i and R 1 >R x , 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the average pore radius R x of the porous core layer in the x-th region satisfies that at least one R x is smaller than the flow velocity R i in the i-th region.
  • the average pore radius R x of the porous core layer in the x- th region gradually decreases from the first region to the i-th region.
  • the average pore radius R x of the porous core layer in the x-th region satisfies: at least one R x is not less than the flow velocity R i in the i-th region.
  • the liquid guide includes at least one porous core layer; the porosity ⁇ of the porous core layer in the first region to the i-th region satisfies: ⁇ 1 ⁇ ⁇ i and ⁇ 1 > ⁇ x , 1 ⁇ x ⁇ i, where i is a positive integer and i ⁇ 2.
  • the porosity ⁇ x of the porous core layer in the x-th region satisfies: at least one ⁇ x is smaller than the flow velocity ⁇ i in the i-th region.
  • the porosity ⁇ x of the porous core layer in the x- th region gradually decreases from the first region to the i-th region.
  • the porosity ⁇ x of the porous core layer in the x-th region satisfies: at least one ⁇ x is not less than the flow velocity ⁇ i in the i-th region.
  • the thickness of the porous core layer in two adjacent regions is L satisfies: 1 ⁇ L n -1 /L n ⁇ 100, n is a positive integer and 1 ⁇ n ⁇ i.
  • the liquid guide includes at least two porous core layers, one porous core layer corresponds to one of the regions, the first porous core layer of the liquid guide corresponds to the first region, and the liquid guide The xth porous core layer corresponds to the xth region, and the ith porous core layer of the liquid guide corresponds to the ith region.
  • the liquid guide only includes one porous core layer, and the one porous core layer is divided into a plurality of the regions.
  • a groove is formed on the xth porous core layer, and the x-1th porous core layer is received in the groove of the xth porous core layer.
  • a groove is formed from the second porous core layer to the i-th porous core layer, and the i-1th porous core layer is accommodated in the groove of the i-th porous core layer.
  • An atomizing core includes a heating element, the atomizing core further includes a liquid guiding element as described above, the heating element is arranged on the liquid guiding element opposite to the heating element Adjacent to the porous core layer.
  • a groove is formed on the xth porous core layer, and the x-1th porous core layer is accommodated in the groove of the xth porous core layer, wherein 1 ⁇ x ⁇ i.
  • a groove is formed from the second porous core layer to the i-th porous core layer, and the i-1th porous core layer is accommodated in the groove of the i-th porous core layer.
  • the liquid guide includes at least two porous core layers, one porous core layer corresponds to one of the regions, the first porous core layer of the liquid guide corresponds to the first region, and the liquid guide The xth porous core layer corresponds to the xth region, and the ith porous core layer of the liquid guide corresponds to the ith region.
  • the liquid guide only includes one porous core layer, and the one porous core layer is divided into a plurality of the regions.
  • An atomizer comprising a liquid storage cavity and an atomization cavity communicating with the liquid storage cavity.
  • the liquid storage cavity is used to store an aerosol forming matrix.
  • a liquid outlet is formed on the wall, the atomizer further includes an atomizing core as described above, and the liquid guide is in fluid communication with the liquid outlet.
  • a groove is formed on the xth porous core layer, and the x-1th porous core layer is accommodated in the groove of the xth porous core layer, wherein 1 ⁇ x ⁇ i.
  • a groove is formed from the second porous core layer to the i-th porous core layer, and the i-1th porous core layer is accommodated in the groove of the i-th porous core layer.
  • the liquid guide includes at least two porous core layers, one porous core layer corresponds to one of the regions, the first porous core layer of the liquid guide corresponds to the first region, and the liquid guide The xth porous core layer corresponds to the xth region, and the ith porous core layer of the liquid guide corresponds to the ith region.
  • the liquid guide only includes one porous core layer, and the one porous core layer is divided into a plurality of the regions.
  • the aerosol generation system includes a battery assembly, an airflow channel, and an atomizer as described above; the airflow channel is in communication with the atomization cavity, and the airflow channel is used for The aerosol flowing out of the atomization cavity circulates to the outside for human inhalation; the battery assembly is electrically connected to the heating element, and the battery assembly is used to provide the heating element with the need for atomizing the aerosol-forming matrix Of electrical energy.
  • a groove is formed on the xth porous core layer, and the x-1th porous core layer is accommodated in the groove of the xth porous core layer, wherein 1 ⁇ x ⁇ i.
  • a groove is formed from the second porous core layer to the i-th porous core layer, and the i-1th porous core layer is accommodated in the groove of the i-th porous core layer.
  • the liquid guide includes at least two porous core layers, one porous core layer corresponds to one of the regions, the first porous core layer of the liquid guide corresponds to the first region, and the liquid guide The xth porous core layer corresponds to the xth region, and the ith porous core layer of the liquid guide corresponds to the ith region.
  • the liquid guide only includes one porous core layer, and the one porous core layer is divided into a plurality of the regions.
  • the atomization core, atomizer, and aerosol generation system provided by the present invention all include a liquid guide member, the liquid guide member includes at least one porous core layer, and the aerosol forming matrix has a porous core layer in the first region
  • the flow rate Q 1 within is greater than or equal to the flow rate Q i of the aerosol-forming substrate in the porous core layer in the i-th region, and greater than the flow rate Q of the aerosol-forming substrate in the x-th porous core layer x to control the flow rate of the aerosol-forming substrate from the porous core layer in the region adjacent to the heating element 32 (the i-th region), thereby reducing the risk of leakage of the aerosol-forming substrate and ensuring the
  • the aerosol-forming substrate is sufficiently transported from the liquid-conducting element to the heating element, so that the phenomenon of dry burning, coking, or insufficient aerosol amount can be avoided.
  • Fig. 1 is a schematic diagram of an aerosol generation system provided by the first, second, third, and fourth embodiments of the present invention.
  • Fig. 2 is a top view of the liquid absorbing member shown in Fig. 1.
  • FIG. 3 is a schematic diagram of an aerosol generation system provided by the fifth embodiment of the present invention.
  • the first embodiment of the present invention provides an aerosol generating system 100.
  • the aerosol generating system 100 includes a housing assembly 10, an atomizing core 30, and a battery assembly 40.
  • the atomizing core 30 and the battery assembly 40 are housed in the housing assembly 10, and the battery assembly 40 is electrically connected to the atomizing core 30.
  • a liquid storage cavity 13, an atomization cavity 14, a battery cavity 15 and an air flow channel 16 are formed in the housing assembly 10.
  • the liquid storage cavity 13, the atomization cavity 14 and the atomization core 30 constitute an atomizer 110. Therefore, the aerosol generating system 100 can also be considered to be composed of the battery cavity 15, the air flow channel 16, the atomizer 110 and the battery assembly 40.
  • the battery cavity 15 may not be included in the housing assembly 10, but may be detachably installed with the housing assembly 10. That is, the battery assembly 40 and the atomizer 110 are detachably installed together.
  • the atomizer 110 may be installed separately from the liquid storage cavity 13, for example, the atomizer 110 and the battery assembly 40 are installed together, and the liquid storage device with the liquid storage cavity 13 is separate. Set up.
  • the liquid storage cavity 13 is in communication with the atomization cavity 14, and the atomization cavity 14 is in communication with the air flow channel 16.
  • the liquid storage cavity 13 is used to store the aerosol forming substrate.
  • the atomization cavity 14 is used for accommodating the atomization core 30.
  • the battery cavity 15 is used for accommodating the battery assembly 40.
  • the air flow channel 16 is used to allow the aerosol flowing out of the atomization cavity 14 to circulate to the outside for human inhalation.
  • a liquid injection port 131 and a liquid outlet 132 are formed on the wall of the liquid storage chamber 13.
  • the liquid injection port 131 is used for injecting an aerosol into the liquid storage cavity 13 to form a matrix.
  • the liquid outlet 132 is in fluid communication with the atomization core 30, and the liquid storage cavity 13 is in communication with the atomization cavity 14 through the liquid outlet 132.
  • the liquid outlet 132 is used to allow the aerosol-forming substrate to enter the atomizing core 30, and the atomizing core 30 atomizes the aerosol-forming substrate to generate an aerosol.
  • the liquid storage cavity 13 is not provided with a liquid injection port 131, especially for a disposable aerosol generation system that cannot be repeatedly injected.
  • An aerosol outlet 141 is formed on the wall of the atomization cavity 14.
  • the atomization cavity 14 is in communication with the air flow channel 16 through the aerosol outlet 141.
  • the aerosol outlet 141 is used to allow the aerosol-forming substrate entering the atomization core 30 to flow into the airflow channel 16 through the atomization of the atomization core 30 to form the aerosol.
  • the wall of the air flow channel 16 has an air outlet 161.
  • the air outlet 161 is used to allow the aerosol to flow from the air flow channel 16 to the outside for human inhalation.
  • the housing assembly 10 is further formed with an air inlet (not shown).
  • the aerosol generating system 100 When the aerosol generating system 100 is used, the external airflow enters from the air inlet, and the atomizing core 30 The atomized aerosol passes through the air flow channel 16 along with the air flow and is led out from the air outlet 161 for human inhalation.
  • the atomization core 30 is used to atomize the aerosol-forming substrate entering the atomization core 30 into an aerosol.
  • the atomization core 30 includes a liquid guiding element 31 and a heating element 32.
  • the liquid guide 31 is fixed on the inner wall of the atomization cavity 14 and is in fluid communication with the liquid outlet 132.
  • a seal (not shown) is formed between the liquid guide 31 and the inner wall of the atomization cavity 14, and the seal is arranged around the liquid outlet 132 to prevent the formation of the aerosol The matrix leaks into the atomization cavity 14 without passing through the liquid guide 31.
  • the liquid guide 31 includes an oil suction surface 311 and an atomization surface 312.
  • the oil absorbing surface 311 faces the liquid outlet 132, and the atomizing surface 312 is opposite to the oil absorbing surface 311.
  • the heating element 32 is fixed or formed on the atomizing surface 312 of the liquid guiding member 31, so that the aerosol formed from the oil suction surface 311 to the atomizing surface 312 is atomized into a matrix Aerosol.
  • the liquid guide 31 can be fixed in the atomization cavity 14 by a fixing member (not shown), and the liquid guide 31 is attached to the inner wall of the atomization cavity by itself or other liquid guide elements.
  • the matrix is formed by absorbing the aerosol flowing out from the liquid outlet 132.
  • the liquid guide 31 partially extends from the atomization cavity 14 to the liquid outlet 13 to absorb aerosol to form a matrix.
  • the liquid guide 31 is divided into a plurality of areas, the area adjacent to the liquid outlet 132 is defined as the first area, and the area adjacent to the heating element 32 is defined as the i-th area, and defines The area between the first area and the i-th area is the x-th area, and the flow velocity Q of the aerosol-forming substrate from the first area to the i-th area satisfies: Q 1 ⁇ Q i , and Q 1 > Q x , 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the aerosol-forming substrate flow rate Q x in the x-th region is further met: at least one less than the flow rate Q x Q i in the i-th area.
  • the flow velocity Q x of the aerosol-forming substrate in the x-th region gradually decreases from the first region to the i-th region.
  • the aerosol-forming substrate flow rate Q x in the x-th region is further satisfied: at least not less than a flow rate of Q x Q i in the i-th area.
  • the liquid guide 31 includes at least one porous core layer.
  • R as the average pore radius of the porous core layer, then the average pore radius of the porous core layer in the first region is greater than or equal to the average pore radius of the porous core layer in the i-th region, and greater than the porous core in the x-th region
  • the average pore radius of the core layer that is, the average pore radius R from the first region to the i-th region satisfies: R 1 ⁇ R i and R 1 >R x , 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the porous inner core region of the x-th mean pore radius R & lt further satisfies x: x is less than at least one of R & lt flow rate R i in the i-th area. Further, the average pore radius R x of the porous core layer in the x- th region gradually decreases from the first region to the i-th region. Preferably, R i-1 ⁇ 1.2R i .
  • the porous inner core region of the x-th mean pore radius R & lt further satisfies x: x is not less than at least one of R & lt flow rate R i in the i-th area.
  • the liquid guide 31 includes at least two porous core layers, and one porous core layer corresponds to one region. That is, the first porous core layer of the liquid guide 31 corresponds to the first area, the xth porous core layer of the liquid guide 31 corresponds to the xth area, and the The i-th porous core layer corresponds to the i-th region.
  • the porous core layer is all made of porous materials.
  • the ceramic material includes oxides and non-oxides, for example, metal oxides, silicates, carbides and nitrides.
  • the porous core layer can be prepared by methods such as sintering of filler particles, addition of pore formers, organic foam impregnation, gel injection molding process, freeze drying and the like.
  • the porous core layer is prepared by adding a pore-forming agent.
  • the method of adding a pore-forming agent to prepare the porous core layer includes the following steps: first, mixing ceramic powder with a pore-forming agent to obtain a mixture.
  • the pore-forming agent is usually carbon or an organic material, such as starch. , Polymethyl methacrylate (PMMA) and so on.
  • PMMA Polymethyl methacrylate
  • a conventional ceramic molding method is used to mold the mixture into the shape of the liquid guide 31 to obtain a green product, which may be powder pressing, belt casting or injection molding.
  • the green embryo product is fired at a high temperature to remove the pore-forming agent and solidify the green product into a monolithic piece.
  • the liquid guide 31 includes a first porous core layer 313 and a second porous core layer 314.
  • the first porous core layer 313 is fixed on the wall of the atomization cavity 14 and faces the liquid outlet 132.
  • the second porous core layer 314 is formed on the first porous core layer 313.
  • the oil absorption surface 311 is the surface of the first porous core layer 313 facing the liquid outlet 132
  • the atomization surface 312 is the surface of the second porous core layer 314 away from the first The surface of the porous core layer 313.
  • the first porous core layer 313 and the second porous core layer 314 are both made of porous materials.
  • the first porous core layer 313 and the second porous core layer 314 are made of porous ceramic materials.
  • the ceramic material includes oxides and non-oxides, for example, metal oxides, silicates, carbides and nitrides.
  • the porous ceramic has a large specific surface area and strong adsorption capacity, which can make the aerosol-forming matrix in the liquid storage cavity 13 enter the liquid guide 31 and be introduced to the heating element 32.
  • first porous core layer 313 and the second porous core layer 314 can also be made of other porous materials.
  • both the first porous core layer 313 and the second porous core layer 314 have a hollow cylindrical shape.
  • the first porous core layer 313 and the second porous core layer 314 are co-circular.
  • the performance of the liquid guide 31 can be characterized by formula 1, where E is the effective performance index of the liquid guide 31, the E is related to the structure of the porous core layer, and the E is used for Characterizing the flow and transmission of the aerosol-forming substrate in the porous core layer of the liquid guiding member 31, thereby characterizing the change in the flow rate of the aerosol-forming substrate in the liquid guiding member 31.
  • the E is related to the porosity, average pore radius, permeability coefficient, and thickness of the liquid guide 31.
  • the porosity, average pore radius and thickness of the liquid guiding member 31 can be artificially set, and the permeability coefficient can be determined by Equation 2 or Equation 3.
  • E is the effective performance index of the liquid guide 31
  • l 1 is the thickness of the first porous core layer 31
  • l 2 is the thickness of the second porous core layer 31
  • ⁇ 1 is the thickness of the first porous core layer 313.
  • Porosity ⁇ 2 is the porosity of the second porous core layer 31
  • R 1 is the average pore radius of the first porous core layer 313, and R 2 is the average pore radius of the second porous core layer 314
  • C 1 is the permeability coefficient of the first porous core layer 313,
  • c 2 is the permeability coefficient of the second porous core layer 31
  • ⁇ i is the porosity of the i-th porous core layer
  • R i is the i-th The average pore radius of the porous core layer, where l i is the thickness of the i-th porous core layer.
  • the leakage risk of the aerosol-forming substrate is ensured, and the sufficient transportation of the aerosol-forming substrate from the liquid guiding member 31 to the heating member 32 can be ensured, so that the phenomenon of dry burning, coking, or insufficient aerosol amount can be avoided.
  • the structural characteristics of the liquid guiding member 31 can be characterized by a standard porous material characterization test method (for example, mercury intrusion porosity measurement method).
  • the structural characteristics of the liquid guide 31 can be obtained through experiments based on formula 2 or formula 3 to obtain the permeability coefficient c i each time, where formula 2 and formula 3 are the deformation of the percolation equation, Those skilled in the art can measure the flow rate Q of the aerosol-forming substrate in Equations 2 and 3 through standard porous material characterization test methods, and then calculate the permeability coefficient c i through Equations 2 and 3.
  • Q is the flow rate of aerosol-forming substrate
  • a i is the i-th layer porous core cross-sectional area
  • L i is the i-th layer thickness of the porous core layer
  • i [epsilon] is the porosity of the porous core layer i
  • R i is the average pore radius of the i-th porous core layer
  • ⁇ is the dynamic viscosity of the aerosol-forming substrate
  • ⁇ is the contact angle of the gas-liquid system
  • ⁇ is the surface tension of the aerosol-forming substrate
  • ⁇ is the density
  • the heating element 32 may be a heating coating, a heating coil, a heating sheet, a heating net, or a printed circuit formed on the liquid guide 31 or the like. In this embodiment, the heating element 32 is a heating sheet.
  • the heating element 32 is a spiral columnar heating sheet, and the outer wall surface of the heating element 32 and the atomizing surface 312 are arranged in close contact with each other.
  • the heating element 32 can atomize and uniformly heat the aerosol-forming substrate, and the heating temperature is more consistent, and the atomized particles will not be larger due to the local temperature being too low, which effectively ensures the uniformity of the atomized particles and improves the aerosol.
  • the taste of the sol producing system At the same time, the contact area between the heating element 32 and the aerosol forming substrate can be increased, so that the atomization efficiency can be improved.
  • the battery assembly 40 is contained in the battery cavity 15 and is electrically connected to the heating element 32.
  • the battery assembly 40 is used to provide the heating element 32 with electrical energy required to atomize the aerosol-forming substrate.
  • the aerosol generating system 100 further includes a cigarette holder 50, which communicates with the air flow channel 16 through the air outlet 161, and flows out through the air outlet 161 of the air outlet 161 The aerosol flows out through the cigarette holder for human ingestion.
  • the aerosol generating system 100 may not include the cigarette holder 50.
  • the aerosol generating system 100 further includes a heat insulation layer 60 disposed on the inner wall of the air flow channel 16.
  • the heat insulation layer 60 helps prevent the heat in the air flow channel 16 from being dissipated, thereby preventing the aerosol caused by the temperature in the air flow channel 16 from dropping too fast on the inner wall of the air flow channel 16 to quickly cool and condense into smoke. liquid.
  • the aerosol generating system 100 further includes a liquid absorbing member 70, the liquid absorbing member 70 is disposed on the heat insulation layer 60, and the liquid absorbing member 70 is used for absorbing condensed smoke. liquid.
  • the liquid absorbing member 70 has a hollow cylindrical shape or other shapes.
  • the liquid absorbing member 70 is made of porous material, for example, super absorbent resin/sponge/cotton/paper/porous ceramic or other porous materials.
  • the aerosol generating system 100 further includes a liquid absorbing member 70 which is arranged on the inner wall of the air flow channel 16.
  • the second embodiment of the present invention provides an aerosol generating system 300.
  • the structure of the aerosol generating system 300 is similar to that of the aerosol generating system 100, except that the first area to The porosity ⁇ of the porous core layer in the i-th region satisfies: ⁇ 1 ⁇ i and ⁇ 1> ⁇ x, 1 ⁇ x ⁇ i.
  • i is a positive integer and i ⁇ 2.
  • the porosity ⁇ x of the porous core layer in the x-th region further satisfies that at least one ⁇ x is smaller than the flow velocity ⁇ i in the i-th region.
  • the porosity ⁇ x of the porous core layer in the x- th region gradually decreases from the first region to the i-th region. Preferably, ⁇ 0.6.
  • the porosity ⁇ x of the porous core layer in the x-th region further satisfies that at least one ⁇ x is not less than the flow velocity ⁇ i in the i-th region.
  • the aerosol generation system 300 may also satisfy the restriction condition of R in 100 at the same time.
  • the third embodiment of the present invention provides an aerosol generating system 400.
  • the structure of the aerosol generating system 400 is similar to that of the aerosol generating system 100 or 300. The only difference is that two adjacent aerosol generating systems the porous core layer thickness in the regions L satisfies: 1 ⁇ L n-1 / L n ⁇ 100, n is a positive integer and 1 ⁇ n ⁇ i, i is a positive integer i ⁇ 2.
  • the aerosol generation system 400 may also satisfy the limiting conditions of R and ⁇ in 100 and 300 at the same time.
  • the fourth embodiment of the present invention provides an aerosol generating system 500.
  • the structure of the aerosol generating system 500 is similar to that of the aerosol generating system 100 or 300 or 400, except that The liquid guide 31 includes only one porous core layer, and the one porous core layer is also divided into multiple regions.
  • the flow velocity Q of the aerosol-forming substrate from the first region to the i-th region satisfies: Q 1 ⁇ Q i , and Q 1 >Q x , 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the aerosol generating system 500 may also meet the limiting conditions of R, ⁇ , and L in the aerosol generating system 100 or 300 or 400 at the same time.
  • a fifth embodiment of the present invention provides an aerosol generation system 200.
  • the structure of the aerosol generation system 200 is basically the same as the structure of the aerosol generation system 100 or 300 or 400, except that: the aerosol generation system 200 has the xth porous core layer of the liquid guide 33 A groove 3161 is formed, and the x-1th porous core layer is received in the groove 3161 of the xth porous core layer.
  • 1 ⁇ x ⁇ i, i is a positive integer and i ⁇ 2.
  • the heating element 34 is fixed on the surface (atomization surface) of the i-th porous core layer.
  • the thickness of the porous core layer with the groove 3161 refers to the distance from the bottom of the groove 3161 to the surface of the porous core layer facing away from the opening of the groove 3161.
  • a groove 3161 is formed from the second porous core layer to the i-th porous core layer, and the i-1th porous core layer is received in the groove 3161 of the i-th porous core layer.
  • the liquid guide 33 includes a first porous core layer 315 and a second porous core layer 316.
  • a groove 3161 is formed on the second porous core layer 316, and the first porous core layer 315 is received and fixed in the groove 3161.
  • the first porous core layer 315 is fixed on the inner wall of the atomization cavity 17 of the aerosol generating system 200 and faces the liquid outlet 133.
  • the second porous core layer 316 covers the first porous core layer 315 and is fixed on the inner wall of the atomization cavity 17 of the aerosol generating system 200.
  • the aerosol generating system 200 can also meet the limiting conditions of R, ⁇ , and L in the aerosol generating systems 100, 300, and 400 at the same time.
  • the performance of the liquid guide 31 can be characterized by Formula 1, where E is the effective performance index of the liquid guide 33, the E is related to the structure of the porous core layer, and the E is used for Characterize the flow and transmission of the aerosol-forming substrate in the porous core layer of the liquid guide 33, thereby characterizing the change in the flow rate of the aerosol-forming substrate in the liquid guide 33.
  • the E is related to the porosity, average pore radius, permeability coefficient and thickness of the liquid guide 33.
  • the porosity, average pore radius and thickness of the liquid guiding member 33 can be considered to be set, and the permeability coefficient can be determined by Equation 2 or Equation 3.
  • E is the effective performance index of the liquid guide 33
  • l 1 is the thickness of the first porous core layer 315
  • l 2 is the thickness of the second porous core layer 316
  • ⁇ 1 is the thickness of the first porous core layer 315.
  • Porosity ⁇ 2 is the porosity of the second porous core layer 316
  • R 1 is the average pore radius of the first porous core layer 315
  • R 2 is the average pore radius of the second porous core layer 316
  • C 1 is the permeability coefficient of the first porous core layer 315
  • c 2 is the permeability coefficient of the second porous core layer 316
  • ⁇ i is the porosity of the i-th porous core layer
  • R i is the i-th The average pore radius of the porous core layer, where l i is the thickness of the i-th porous core layer.
  • the structural characteristics of the liquid guiding member 33 can be characterized by a standard porous material characterization test method (for example, mercury intrusion porosity measurement method).
  • the structural characteristics of the liquid guiding member 33 can be obtained through experiments based on equations 2 and 3 to obtain the permeability coefficient c i each time, where equations 2 and 3 are the deformation of the percolation equation, Those skilled in the art can measure the flow rate Q of the aerosol-forming substrate in Equations 2 and 3 through standard porous material characterization test methods, and then calculate the permeability coefficient c i through Equations 2 and 3.
  • Q is the flow rate of aerosol-forming substrate
  • a i is the i-th layer porous core cross-sectional area
  • L i is the i-th layer thickness of the porous core layer
  • i [epsilon] is the porosity of the porous core layer i
  • R i is the average pore radius of the i-th porous core layer
  • ⁇ is the dynamic viscosity of the aerosol-forming substrate
  • ⁇ is the density of the aerosol-forming substrate
  • ⁇ is the contact angle of the gas-liquid system
  • ⁇ is the aerosol-forming substrate
  • the surface tension of, g is the gravitational constant.
  • the flow rate Q of the aerosol-forming substrate decreases, which indicates that the flow and transmission speed of the aerosol-forming substrate of the liquid guide 33 becomes slower, so that in the same time, the flow rate of the aerosol-forming substrate from the liquid guide 33 and the heating
  • the amount of the aerosol-forming substrate flowing out of the adjacent porous core layer of the member 34 is reduced, thereby reducing the risk of leakage of the aerosol-forming substrate and ensuring that the aerosol-forming substrate is sufficiently transported from the liquid-conducting member to the heating member. , So as to avoid dry burning, coking or insufficient aerosol.
  • the atomization core, atomizer, and aerosol generation system provided by the present invention all include a liquid guide member, the liquid guide member includes at least one porous core layer, and the aerosol forming matrix has a porous core layer in the first region
  • the flow rate Q 1 within is greater than or equal to the flow rate Q i of the aerosol-forming substrate in the porous core layer in the i-th region, and greater than the flow rate Q of the aerosol-forming substrate in the x-th porous core layer x to control the flow rate of the aerosol-forming substrate from the porous core layer in the region adjacent to the heating element 32 (the i-th region), thereby reducing the risk of leakage of the aerosol-forming substrate and ensuring the
  • the aerosol-forming substrate is sufficiently transported from the liquid-conducting element to the heating element, so that the phenomenon of dry burning, coking, or insufficient aerosol amount can be avoided.

Landscapes

  • Nozzles (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

一种导液件（31），该导液件（31）与一发热件（32）配合用于雾化气溶胶形成基质，该导液件（31）分为多个区域，定义距离该发热件（32）最远的区域为第1个区域，与该发热件（32）相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域，则气溶胶形成基质在第1个区域至第i个区域内的流速Q满足：Q 1≥Q i，且Q 1＞Q x，1＜x＜i，i为正整数且i≥2。提供的导液件（31）、雾化芯（30）、雾化器（110）及气溶胶产生系统（100）不仅能够降低气溶胶形成基质泄漏风险，还能够避免出现干烧、焦化或气溶胶量不够的现象。

Description

导液件、雾化芯、雾化器及气溶胶产生系统 技术领域
本发明涉及气溶胶产生系统技术领域，尤其涉及一种导液件、雾化芯、雾化器及气溶胶产生系统。
背景技术
气溶胶产生系统主要由雾化芯和电池组件两部分组成。雾化芯中的导液件及发热件是雾化技术的核心部件，其对气溶胶产生系统产品的口感起决定性作用。现有技术中，常采用多孔陶瓷作为气溶胶产生系统的导液件，多孔陶瓷作为气溶胶产生系统的导液件具有气溶胶量大、寿命长、口感佳等优势。现有技术中使用的多孔陶瓷具有较大的孔隙以存储气溶胶形成基质。如此，将导致过量的气溶胶形成基质存在于发热件的位置，进而出现气溶胶形成基质泄漏问题。另外，为解决上述问题，业界采用具有小孔隙的多孔陶瓷作为导液件。小孔隙的多孔陶瓷作为导液件不仅能够将气溶胶形成基质泄漏风险降至最低，还能够增加导液件的存储空间。但由于导液件的孔隙较小，将会导致气溶胶形成基质自导液件到发热件之间的输送不充分，容易出现干烧、焦化或气溶胶量不够的现象。
发明内容
有鉴于此，本发明提供一种气溶胶形成基质泄漏风险低且能够避免出现干烧、焦化或气溶胶量不够等现象的吸液件。
还有必要提供一种气溶胶形成基质泄漏风险低且能够避免出现干烧、焦化或气溶胶量不够等现象的雾化芯。
还有必要提供一种气溶胶形成基质泄漏风险低且能够避免出现干烧、焦化或气溶胶量不够等现象的雾化器。
还有必要提供一种气溶胶形成基质泄漏风险低且能够避免出现干烧、焦化或气溶胶量不够等现象的气溶胶产生系统。
一种导液件，所述导液件与一发热件配合用于雾化气溶胶形成基质，所述导液件包括至少一个多孔芯层；定义距离所述发热件最远的多孔芯层为第1个多孔芯层，与所述发热件相邻的多孔芯层为第i个多孔芯层，i为正整数且i≥1；所述气溶胶形成基质在所述导液件的所述多孔芯层内的流动传输通过所述导液件的有效性能指数E表征，其特征在于，E满足：
Figure PCTCN2020108184-appb-000001
其中，E为导液件的有效性能指数，c i为所述第i多孔芯层的渗透系数，ε i为第i个多孔芯层的孔隙率，R i为第i个多孔芯层的平均孔隙半径，l i为第i个多孔芯层的的厚度。
进一步地，所述导液件分为多个区域，定义远离所述发热件的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域；定义R为多孔芯层的平均孔隙半径，则第1个区域内的多孔芯层的平均孔隙半径大于等于第i个区域内的多孔芯层的平均孔隙半径，且大于第x个区域内的多孔芯层的平均孔隙半径，也即，第1个区域至第i个区域内的平均孔隙半径R满足：R 1≥R i且R 1＞R x，1＜x＜i，i为正整数且i≥2。
进一步地，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x小于第i个区域内的流速R i。
进一步地，第x个区域内的多孔芯层的平均孔隙半径R x自第1个区域向第i个区域逐渐递减。
进一步地，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x不小于第i个区域内的流速R i。
进一步地，所述导液件分为多个区域，定义远离所述发热件的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域；第1个区域至第i个区域内的多孔芯层的孔隙率ε满足：ε 1≥ε i且ε 1＞ε x，1＜x＜i，其中，i为正整数且i≥2。
进一步地，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x小于第i个区域内的流速ε i。
进一步地，第x个区域内的多孔芯层的孔隙率ε x自第1个区域向第i个区域逐渐递减。
进一步地，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x不小于第i个区域内的流速ε i。
进一步地，所述导液件分为多个区域，定义远离所述发热件的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域；相邻两个区域内的多孔芯层的厚度为L满足：1≤L n-1/L n≤100，n为正整数且1＜n≦i，i为正整数且i≥2。
进一步地，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所 述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
进一步地，其特征在于，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
进一步地，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
进一步地，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
一种导液件，所述导液件与一发热件配合用于雾化气溶胶形成基质，所述导液件分为多个区域，定义距离所述发热件最远的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域，则气溶胶形成基质在第1个区域至第i个区域内的流速Q满足：Q 1≥Q i,且Q 1＞Q x，1＜x＜i，i为正整数且i≥2。
进一步地，所述气溶胶形成基质在第x个区域内的流速Q x满足：至少一个Q x小于第i个区域内的流速Q i。
进一步地，所述气溶胶形成基质在第x个区域内的流速Q x自第1个区域向第i个区域逐渐递减。
进一步地，所述气溶胶形成基质在第x个区域内的流速Q x满足：至少一个Q x不小于第i个区域内的流速Q i。
进一步地，所述导液件包括至少一个多孔芯层；定义R为多孔芯层的平均孔隙半径，则第1个区域内的多孔芯层的平均孔隙半径大于等于第i个区域内的多孔芯层的平均孔隙半径，且大于第x个区域内 的多孔芯层的平均孔隙半径，也即，第1个区域至第i个区域内的平均孔隙半径R满足：R 1≥R i且R 1＞R x，1＜x＜i，i为正整数且i≥2。
进一步地，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x小于第i个区域内的流速R i。。
进一步地，第x个区域内的多孔芯层的平均孔隙半径R x自第1个区域向第i个区域逐渐递减。
进一步地，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x不小于第i个区域内的流速R i。
进一步地，所述导液件包括至少一个多孔芯层；第1个区域至第i个区域内的多孔芯层的孔隙率ε满足：ε 1≥ε i且ε 1＞ε x，1＜x＜i，其中，i为正整数且i≥2。
进一步地，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x小于第i个区域内的流速ε i。
进一步地，第x个区域内的多孔芯层的孔隙率ε x自第1个区域向第i个区域逐渐递减。
进一步地，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x不小于第i个区域内的流速ε i。
进一步地，相邻两个区域内的多孔芯层的厚度为L满足：1≤L n-1/L n≤100，n为正整数且1＜n≦i。
进一步地，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
进一步地，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
进一步地，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内。
进一步地，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
一种雾化芯，所述雾化芯包括一发热件，所述雾化芯还包括一如上所述的导液件，所述发热件设置在所述导液件的与所述发热件相邻的多孔芯层上。
进一步地，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
进一步地，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
进一步地，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
进一步地，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
一种雾化器，所述雾化器包括一储液腔及一与所述储液腔相连通的雾化腔，所述储液腔用于存储气溶胶形成基质，所述储液腔的壁上形成有一出液口，所述雾化器还包括如上所述的雾化芯，所述导液件与所述出液口流体连通。
进一步地，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
进一步地，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
进一步地，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
进一步地，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
一种气溶胶产生系统，所述气溶胶产生系统包括电池组件、气流通道以及如上所述的雾化器；所述气流通道与所述雾化腔相连通，所述气流通道用于供从所述雾化腔流出的气溶胶流通至外界，以供人吸食；所述电池组件与所述发热件电连接，所述电池组件用于给所述发热件提供使气溶胶形成基质雾化所需的电能。
进一步地，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
进一步地，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
进一步地，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
进一步地，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
本发明提供的雾化芯、雾化器及气溶胶产生系统均包括导液件，所述导液件包括至少一个多孔芯层，所述气溶胶形成基质在第1个区域内的多孔芯层内的流速Q 1大于等于所述气溶胶形成基质在第i个区域内的多孔芯层内的流速Q i，且大于所述气溶胶形成基质在第x个所述多孔芯层内的流速Q x，以控制所述气溶胶形成基质从与所述发热件32相邻的区域(第i个区域)内的多孔芯层流出的速度，从而降低气溶胶形成基质的泄漏风险，并保证所述气溶胶形成基质自导液件到发热件之间的输送充分，从而能够避免出现干烧、焦化或气溶胶量不够的现象。
附图说明
图1为本发明第一、二、三、四实施方式提供的一种气溶胶产生系统的示意图。
图2为图1所示的吸液件的俯视图。
图3为本发明第五实施方式提供的一种气溶胶产生系统的示意图。
主要元件符号说明
气溶胶产生系统 100，200，300,400,500
雾化器 110
壳体组件 10
储液腔 13
注液口 131
出液口 132，133
雾化腔 14，17
气溶胶出口 141
电池腔 15
气流通道 16
出气口 161
雾化芯 30
导液件 31，33
吸油面 311
雾化面 312
第一多孔芯层 313，315
第二多孔芯层 314，316
凹槽 3161
发热件 32，34
电池组件 40
烟嘴 50
隔热层 60
吸液件 70
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
下面将结合本发明实施方式中的附图1-3，对本发明实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式仅是本发明一部分实施方式，而不是全部的实施方式。基于本发明中的实施 方式，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式，都属于本发明保护的范围。
需要说明的是，当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中设置的元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本发明。
请参阅图1-2，本发明第一实施方式提供一种气溶胶产生系统100，所述气溶胶产生系统100包括壳体组件10、雾化芯30及电池组件40。所述雾化芯30及所述电池组件40收容在所述壳体组件10内，所述电池组件40与所述雾化芯30电连接。
在本实施方式中，所述壳体组件10内形成有储液腔13、雾化腔14、电池腔15及气流通道16。其中，所述储液腔13、所述雾化腔14及所述雾化芯30组成一雾化器110。从而，所述气溶胶产生系统100也可以认为是由所述电池腔15、所述气流通道16、所述雾化器110及所述电池组件40组成的。
在其他实施方式中，所述电池腔15也可以不包含在所述壳体组件10内，而是与所述壳体组件10可拆卸安装在一起。也即，电池组件40与雾化器110可拆卸地安装在一起。
可以理解的，在其他实施方式中，所述雾化器110可以与储液腔13分体设置，如雾化器110与电池组件40安装在一起，而具有储液腔13的储液装置单独设置。
其中，所述储液腔13与所述雾化腔14相连通，所述雾化腔14与所述气流通道16相连通。所述储液腔13用于存储气溶胶形成基质。所述雾化腔14用于收容所述雾化芯30。所述电池腔15用于收容所述电池组件40。所述气流通道16用于供从所述雾化腔14流出的气溶胶流通至外界，以供人吸食。
在本实施方式中，所述储液腔13的壁上形成有注液口131及出液口132。所述注液口131用于往所述储液腔13内注入气溶胶形成基质。所述出液口132与所述雾化芯30流体连通，所述储液腔13通过所述出液口132与所述雾化腔14连通。所述出液口132用于使得所述气溶胶形成基质进入所述雾化芯30内，所述雾化芯30使气溶胶形成基质雾化产生气溶胶。
在其他实施方式中，所述储液腔13上不设置注液口131，特别是针对不可重复注液的一次性气溶胶产生系统。
所述雾化腔14的壁上形成有气溶胶出口141。所述雾化腔14与所述气流通道16通过所述气溶胶出口141连通。所述气溶胶出口141用于使得进入所述雾化芯30内的气溶胶形成基质经所述雾化芯30雾化形成的气溶胶流入所述气流通道16内。
所述气流通道16的壁上具有出气口161。所述出气口161用于使所述气溶胶从所述气流通道16流至外界，以供人吸食。
在其他实施方式中，所述壳体组件10还形成有进气口(图未示)，在使用上述气溶胶产生系统100时，外界气流从所述进气口进入，所述雾化芯30雾化所得的气溶胶随气流一起经所述气流通道16并从所述出气口161导出，以供人吸食。
所述雾化芯30用于将进入所述雾化芯30内的所述气溶胶形成基质雾化成气溶胶。所述雾化芯30包括导液件31及发热件32。其中，所述导液件31固定在所述雾化腔14的内壁上且与所述出液口132流体连通。优选地，所述导液件31与所述雾化腔14的内壁之间形成有一密封件(图未示)，所述密封件环绕所述出液口132设置，以防所述气溶胶形成基质不经过导液件31而漏进所述雾化腔14内。其中，所述导液件31包括吸油面311及雾化面312。所述吸油面311面向所述出液口132，所述雾化面312与所述吸油面311相背。其中，所述发热件32固定或形成在所述导液件31的所述雾化面312上，以使得自所述吸油面311输送至所述雾化面312上的气溶胶形成基质雾化成气溶胶。
可以理解的，所述导液件31可以通过固定件(图未示)固定在雾化腔14内，所述导液件31通过自身或者其他导液元件与所述雾化腔内壁贴合，以吸收自出液口132流出的气溶胶形成基质。或者，所述导液件31自雾化腔14部分伸出于所述出液口13，用以吸收气溶胶形成基质。
其中，所述导液件31分为多个区域，定义与所述出液口132相邻的区域为第1个区域，与所述发热件32相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域，则气溶胶形成基质在第1个区域至第i个区域内的流速Q满足：Q 1≥Q i,且Q 1＞Q x，1＜x＜i，i为正整数且i≥2。
在一实施方式中，所述气溶胶形成基质在第x个区域内的流速Q x进一步满足：至少一个Q x小于第i个区域内的流速Q i。
在一实施方式中，所述气溶胶形成基质在第x个区域内的流速Q x自第1个区域向第i个区域逐渐递减。
在一实施方式中，所述气溶胶形成基质在第x个区域内的流速Q x进一步满足：至少一个Q x不小于第i个区域内的流速Q i。
其中，所述导液件31包括至少一个多孔芯层。定义R为多孔芯层的平均孔隙半径，则第1个区域内的多孔芯层的平均孔隙半径大于等于第i个区域内的多孔芯层的平均孔隙半径，且大于第x个区域内的多孔芯层的平均孔隙半径，也即，第1个区域至第i个区域内的平均孔隙半径R满足：R 1≥R i且R 1＞R x，1＜x＜i，i为正整数且i≥2。
在一实施方式中，第x个区域内的多孔芯层的平均孔隙半径R x进一步满足：至少一个R x小于第i个区域内的流速R i。进一步地，第x个区域内的多孔芯层的平均孔隙半径R x自第1个区域向第i个区域逐渐递减。优选地，R i-1≥1.2R i。
在一实施方式中，第x个区域内的多孔芯层的平均孔隙半径R x进一步满足：至少一个R x不小于第i个区域内的流速R i。
在本实施方式中，所述导液件31包括至少两个多孔芯层，一个多孔芯层对应一个所述区域。也即，所述导液件31的第1个多孔芯层对应于第1个区域，所述导液件31的第x个多孔芯层对应于第x个区域，所述导液件31的第i个多孔芯层对应于第i个区域。
其中，所述多孔芯层均由多孔材料制备而成。所述陶瓷材料包括氧化物和非氧化物，例如，金属氧化物、硅酸盐、碳化物及氮化物等。
其中，所述多孔芯层可以采用填充颗粒烧结、添加成孔剂、有机泡沫浸渍、凝胶注模工艺、冷冻干燥等方法制备。在本实施方式中，采用添加成孔剂的方法制备所述多孔芯层。
具体地，采用添加成孔剂的方法制备所述多孔芯层包括如下步骤：首先，将陶瓷粉末与成孔剂混合，得到一混合物，所述成孔剂通常是炭或有机材料，例如，淀粉、聚甲基丙烯酸甲酯(polymethyl methacrylate,PMMA)等等。其次，使用常规的陶瓷成型方法将所述混合物成型成上述导液件31的形状，得到生胚制品，可以是粉末压制、带式浇注或注射成型。再次，将所述生胚制品在高温下烧制以除去成孔剂并将生胚制品固化成整体件。
在本实施方式中，所述导液件31包括第一多孔芯层313及第二多孔芯层314。其中，所述第一多孔芯层313固定在所述雾化腔14的壁上且正对所述出液口132。所述第二多孔芯层314形成在所述第一多孔芯层313上。其中，所述吸油面311为所述第一多孔芯层313的面向所述出液口132的表面，所述雾化面312为所述第二多孔芯层314的背离所述第一多孔芯层313的表面。
其中，所述第一多孔芯层313及所述第二多孔芯层314均由多孔材料制备而成。在本实施方式中，所述第一多孔芯层313及所述第二多孔芯层314由多孔陶瓷材料制备而成。所述陶瓷材料包括氧化物和非氧化物，例如，金属氧化物、硅酸盐、碳化物及氮化物等。多孔陶瓷的比表面积大、吸附能力强，能够使储液腔13内的气溶胶形成基质进入所述导液件31内并导入至所述发热件32上。
在其他实施方式中，所述第一多孔芯层313及所述第二多孔芯层314也可以由其他的多孔材料制备而成。
在本实施方式中，所述第一多孔芯层313及所述第二多孔芯层314均呈中空的圆柱形。所述第一多孔芯层313及所述第二多孔芯层314共圆。
其中，所述导液件31的性能可以通过式1来表征，式1中的E为导液件31的有效性能指数，所述E与所述多孔芯层的结构有关，所述E用于表征所述气溶胶形成基质在所述导液件31的所述多孔芯层内的流动传输，从而表征气溶胶形成基质在所述导液件31中的流量的变化。在本发明中，所述E与所述导液件31的孔隙率、平均孔隙半径、渗透系数及厚度有关。其中，所述导液件31的孔隙率、平均孔隙半径及厚度可以人为设定，而渗透系数则可以通过式2或式3来测定。
Figure PCTCN2020108184-appb-000002
其中，E为导液件31的有效性能指数，l 1为第一多孔芯层313的厚度，l 2为第二多孔芯层314的厚度，ε 1为第一多孔芯层313的孔隙率，ε 2为所述第二多孔芯层314的孔隙率，R 1为第一多孔芯层313的平均孔隙半径，R 2为所述第二多孔芯层314的平均孔隙半径，c 1为第一多孔芯层313的渗透系数，c 2为所述第二多孔芯层314的渗透系数，ε i为第i个多孔芯层的孔隙率，R i为第i个多孔芯层的平均孔隙半径，l i为第i个多孔芯层的的厚度。
由式1可知，当孔隙率ε变小时，有效性能指数E变小；当平均孔隙半径R变小时，有效性能指数E变小；而有效性能指数E变小表征所述导液件31的气溶胶形成基质的流动传输变慢，从而在同样的时间内，从所述导液件31的与所述加热件32相邻的多孔芯层中流出的气溶胶形成基质的量变少，从而能够降低气溶胶形成基质的泄漏风险，并保证所述气溶胶形成基质自导液件31到发热件32之间的输送充分，从而能够避免出现干烧、焦化或气溶胶量不够的现象。
其中，所述导液件31的结构特性可以通过标准多孔材料表征测试方法(例如汞侵入孔隙率测定法)来表征。对于本实施方式的导液件31，所述导液件31的结构特性可以基于式2或式3通过实验获得每次的渗透系数c i，其中，式2及式3为渗流方程的变形，本领域技术人员，通过标准多孔材料表征测试方法，可以测得式2及式3中的气溶胶形成基质的流速Q，再通过式2及式3，可计算出渗透系数c i。
Figure PCTCN2020108184-appb-000003
Figure PCTCN2020108184-appb-000004
其中，Q是气溶胶形成基质的流速，A i是第i层多孔芯层的横截面积，l i是第i层多孔芯层的厚度，ε i为第i层多孔芯层的孔隙率，R i为第i层多孔芯层的平均孔隙半径，μ为气溶胶形成基质的动态粘滞度，θ是气液系统的接触角，γ是气溶胶形成基质的表面张力，ρ是密度，g是万有引力常量。
由简化变形后的式2及式3可知，当孔隙率ε(ε≦0.6)变小时，气溶胶形成基质的流速Q变小；当平均孔隙半径R变小时，气溶胶形成基质的流速Q变小；而气溶胶形成基质的流速Q变小表征所述导液件31的气溶胶形成基质的流动传输速度变慢，从而在同样的时间内，从所述导液件31的与所述加热件32相邻的多孔芯层中流出的气溶胶形成基质的量变少，从而能够降低气溶胶形成基质的泄漏风险，并保证所述气溶胶形成基质自导液件31到发热件32之间的输送充分，从而能够避免出现干烧、焦化或气溶胶量不够的现象。
所述发热件32可以为发热涂层、发热线圈、发热片、发热网或形成在所述导液件31上的印刷线路等。在本实施方式中，所述发热件32为发热片。
在本实施方式中，所述发热件32呈螺旋柱状的发热片，所述发热件32的外壁面与所述雾化面312贴合设置。如此，所述发热件32能够使气溶胶形成基质雾化且均匀受热，受热温度较为一致，不会因为局部温度过低而致使雾化颗粒较大，有效保证了雾化颗粒均匀，提高了气溶胶产生系统的口感。同时，还能增加所述发热件32与所述气溶胶形成基质的接触面积，使雾化效率得以提高。
所述电池组件40收容在所述电池腔15内且与所述发热件32电连接。所述电池组件40用于给所述发热件32提供使气溶胶形成基质雾化所需的电能。
在本实施方式中，所述气溶胶产生系统100还包括一烟嘴50，所述烟嘴50通过所述出气口161与所述气流通道16相连通，经所述气流通道16的出气口161流出的气溶胶，经所述烟嘴流出，以供人吸食。在其他实施方式中，所述气溶胶产生系统100还可以不包括烟嘴50。
在另一实施方式中，所述气溶胶产生系统100还包括一隔热层60，所述隔热层60设置在所述气流通道16的内壁上。所述隔热层60有利于防止所述气流通道16内的热量散失，从而防止因气流通道16内的温度降低过快而导致的气溶胶在所述气流通道16的内壁上快速冷却凝结成烟液。
在另一实施方式中，所述气溶胶产生系统100还包括一吸液件70，所述吸液件70设置在所述隔热层60上，所述吸液件70用于吸收冷凝的烟液。其中，所述吸液件70呈中空的柱状或其他形状。所述吸液件 70由多孔材料制成，例如，高吸水性树脂/海绵/棉花/纸/多孔陶瓷或其他多孔材料。
在另一实施方式中，所述气溶胶产生系统100还包括一吸液件70，所述吸液件70设置在所述气流通道16的内壁上。
请参阅图1-2，本发明第二实施方式提供一种气溶胶产生系统300，所述气溶胶产生系统300与所述气溶胶产生系统100的结构相似，区别仅在于，第1个区域至第i个区域内的多孔芯层的孔隙率ε满足：ε1≥εi且ε1＞εx，1＜x＜i。其中，i为正整数且i≥2。
在一实施方式中，第x个区域内的多孔芯层的孔隙率ε x进一步满足：至少一个ε x小于第i个区域内的流速ε i。
在一实施方式中，第x个区域内的多孔芯层的孔隙率ε x自第1个区域向第i个区域逐渐递减。优选地，ε≦0.6。
在一实施方式中，第x个区域内的多孔芯层的孔隙率ε x进一步满足：至少一个ε x不小于第i个区域内的流速ε i。
当然，在其他实施方式中，所述气溶胶产生系统300也可以同时满足100中关于R的限定条件。
请参阅图1-2，本发明第三实施方式提供一种气溶胶产生系统400，所述气溶胶产生系统400与所述气溶胶产生系统100或300的结构相似，区别仅在于，相邻两个区域内的所述多孔芯层的厚度L满足：1≤L n-1/L n≤100，n为正整数且1＜n≦i，i为正整数且i≥2。
当然，在其他实施方式中，所述气溶胶产生系统400也可以同时满足100及300中关于R及ε的限定条件。
请参阅图1-2，本发明第四实施方式提供一种气溶胶产生系统500，所述气溶胶产生系统500与所述气溶胶产生系统100或300或400的 结构相似，区别仅在于，所述导液件31仅包括1个多孔芯层，所述1个多孔芯层也分为多个区域，气溶胶形成基质在第1个区域至第i个区域内的流速Q满足：Q 1≥Q i,且Q 1＞Q x，1＜x＜i，i为正整数且i≥2。
当然，在其他实施方式中，所述气溶胶产生系统500也可以同时满足所述气溶胶产生系统100或300或400中关于R、ε及L的限定条件。
请参阅图3，本发明第五实施方式提供一种气溶胶产生系统200。所述气溶胶产生系统200的结构与所述气溶胶产生系统100或300或400的结构基本相同，区别仅在于：所述气溶胶产生系统200的导液件33的第x个多孔芯层上形成有一凹槽3161，第x-1个多孔芯层收容在第x个多孔芯层的凹槽3161内。其中，1＜x≦i，i为正整数且i≥2。所述发热件34固定在第i个多孔芯层的表面(雾化面)上。其中，具有凹槽3161的多孔芯层的厚度是指自凹槽3161的底部到所述多孔芯层的背离所述凹槽3161的开口的表面之间的距离。
在其他实施方式中，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽3161，第i-1个多孔芯层收容在第i个多孔芯层的凹槽3161内。
具体地，在本实施方式中，所述导液件33包括第一多孔芯层315及第二多孔芯层316。所述第二多孔芯层316上形成有一凹槽3161，所述第一多孔芯层315收容并固定在所述凹槽3161内。其中，所述第一多孔芯层315固定在所述气溶胶产生系统200的雾化腔17的内壁上且面向所述出液口133。优选地，所述第二多孔芯层316包覆所述第一多孔芯层315且固定在所述气溶胶产生系统200的雾化腔17的内壁上。
当然，在其他实施方式中，所述气溶胶产生系统200也可以同时满足所述气溶胶产生系统100，300及400中关于R、ε及L的限定条件。
其中，所述导液件31的性能可以通过式1来表征，式1中的E为导液件33的有效性能指数，所述E与所述多孔芯层的结构有关，所述E用于表征所述气溶胶形成基质在所述导液件33的所述多孔芯层内的流动传输，从而表征气溶胶形成基质在所述导液件33中的流量的变化。在本发明中，所述E与所述导液件33的孔隙率、平均孔隙半径、渗透系数及厚度有关。其中，所述导液件33的孔隙率、平均孔隙半径及厚度可以认为设定，而渗透系数则可以通过式2或式3来测定。
Figure PCTCN2020108184-appb-000005
其中，E为导液件33的有效性能指数，l 1为第一多孔芯层315的厚度，l 2为第二多孔芯层316的厚度，ε 1为第一多孔芯层315的孔隙率，ε 2为所述第二多孔芯层316的孔隙率，R 1为第一多孔芯层315的平均孔隙半径，R 2为所述第二多孔芯层316的平均孔隙半径，c 1为第一多孔芯层315的渗透系数，c 2为所述第二多孔芯层316的渗透系数，ε i为第i个多孔芯层的孔隙率，R i为第i个多孔芯层的平均孔隙半径，l i为第i个多孔芯层的的厚度。
由式1可知，当孔隙率ε变小时，有效性能指数E变小；当平均孔隙半径R变小时，有效性能指数E变小；而有效性能指数E变小表征所述导液件33的气溶胶形成基质的流动传输变慢，从而在同样的时间内，从所述导液件33的与所述加热件34相邻的多孔芯层中流出的气溶胶形成基质的量变少，从而能够降低气溶胶形成基质的泄漏风险， 并保证所述气溶胶形成基质自导液件到发热件之间的输送充分，从而能够避免出现干烧、焦化或气溶胶量不够的现象。
其中，所述导液件33的结构特性可以通过标准多孔材料表征测试方法(例如汞侵入孔隙率测定法)来表征。对于本实施方式的导液件33，所述导液件33的结构特性可以基于式2及式3通过实验获得每次的渗透系数c i，其中，式2及式3为渗流方程的变形，本领域技术人员，通过标准多孔材料表征测试方法，可以测得式2及式3中的气溶胶形成基质的流速Q，再通过式2及式3，可计算出渗透系数c i。
Figure PCTCN2020108184-appb-000006
或       (式2)
Figure PCTCN2020108184-appb-000007
其中，Q是气溶胶形成基质的流速，A i是第i层多孔芯层的横截面积，l i是第i层多孔芯层的厚度，ε i为第i层多孔芯层的孔隙率，R i为第i层多孔芯层的平均孔隙半径，μ为气溶胶形成基质的动态粘滞度，ρ是气溶胶形成基质的密度，θ是气液系统的接触角，γ是气溶胶形成基质的表面张力，g是引力常数。
由简化变形后的式2及式3可知，当孔隙率ε(ε≦0.6)变小时，气溶胶形成基质的流速Q变小；当平均孔隙半径R变小时，气溶胶形成基质的流速Q变小；而气溶胶形成基质的流速Q变小表征所述导液件33的气溶胶形成基质的流动传输速度变慢，从而在同样的时间内，从所述导液件33的与所述加热件34相邻的多孔芯层中流出的气溶胶形成基质的量变少，从而能够降低气溶胶形成基质的泄漏风险，并保证所述气溶胶形成基质自导液件到发热件之间的输送充分，从而能够避免出现干烧、焦化或气溶胶量不够的现象。
本发明提供的雾化芯、雾化器及气溶胶产生系统均包括导液件，所述导液件包括至少一个多孔芯层，所述气溶胶形成基质在第1个区域内的多孔芯层内的流速Q 1大于等于所述气溶胶形成基质在第i个区域内的多孔芯层内的流速Q i，且大于所述气溶胶形成基质在第x个所述多孔芯层内的流速Q x，以控制所述气溶胶形成基质从与所述发热件32相邻的区域(第i个区域)内的多孔芯层流出的速度，从而降低气溶胶形成基质的泄漏风险，并保证所述气溶胶形成基质自导液件到发热件之间的输送充分，从而能够避免出现干烧、焦化或气溶胶量不够的现象。
以上所述，仅是本发明的较佳实施方式而已，并非对本发明任何形式上的限制，虽然本发明已是较佳实施方式揭露如上，并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施方式，但凡是未脱离本发明技术方案内容，依据本发明的技术实质对以上实施方式所做的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (46)

  1. 一种导液件，所述导液件与一发热件配合用于雾化气溶胶形成基质，所述导液件包括至少一个多孔芯层；定义距离所述发热件最远的多孔芯层为第1个多孔芯层，与所述发热件相邻的多孔芯层为第i个多孔芯层，i为正整数且i≥1；所述气溶胶形成基质在所述导液件的所述多孔芯层内的流动传输通过所述导液件的有效性能指数E表征，其特征在于，E满足：
    Figure PCTCN2020108184-appb-100001
    其中，E为导液件的有效性能指数，c i为所述第i多孔芯层的渗透系数，ε i为第i个多孔芯层的孔隙率，R i为第i个多孔芯层的平均孔隙半径，l i为第i个多孔芯层的的厚度。
  2. 如权利要求1所述的导液件，其特征在于，所述导液件分为多个区域，定义远离所述发热件的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域；定义R为多孔芯层的平均孔隙半径，则第1个区域内的多孔芯层的平均孔隙半径大于等于第i个区域内的多孔芯层的平均孔隙半径，且大于第x个区域内的多孔芯层的平均孔隙半径，也即，第1个区域至第i个区域内的平均孔隙半径R满足：R 1≥R i且R 1＞R x，1＜x＜i，i为正整数且i≥2。
  3. 如权利要求2所述的导液件，其特征在于，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x小于第i个区域内的流速R i。
  4. 如权利要求3所述的导液件，其特征在于，第x个区域内的多孔芯层的平均孔隙半径R x自第1个区域向第i个区域逐渐递减。
  5. 如权利要求2所述的导液件，其特征在于，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x不小于第i个区域内的流速R i。
  6. 如权利要求1所述的导液件，其特征在于，所述导液件分为多个区域，定义远离所述发热件的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域；第1个区域至第i个区域内的多孔芯层的孔隙率ε满足：ε 1≥ε i且ε 1＞ε x，1＜x＜i，其中，i为正整数且i≥2。
  7. 如权利要求6所述的导液件，其特征在于，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x小于第i个区域内的流速ε i。
  8. 如权利要求7所述的导液件，其特征在于，第x个区域内的多孔芯层的孔隙率ε x自第1个区域向第i个区域逐渐递减。
  9. 如权利要求6所述的导液件，其特征在于，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x不小于第i个区域内的流速ε i。
  10. 如权利要求1所述的导液件，其特征在于，所述导液件分为多个区域，定义远离所述发热件的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域；相邻两个区域内的多孔芯层的厚度为L满足：1≤L n-1/L n≤100，n为正整数且1＜n≦i，i为正整数且i≥2。
  11. 如权利要求2-10任一项所述的导液件，其特征在于，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔 芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
  12. 如权利要求2-10任一项所述的导液件，其特征在于，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
  13. 如权利要求11所述的导液件，其特征在于，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
  14. 如权利要求13所述的导液件，其特征在于，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
  15. 一种导液件，所述导液件与一发热件配合用于雾化气溶胶形成基质，所述导液件分为多个区域，定义距离所述发热件最远的区域为第1个区域，与所述发热件相邻的区域为第i个区域，并定义第1个区域与第i个区域之间的区域为第x个区域，则气溶胶形成基质在第1个区域至第i个区域内的流速Q满足：Q 1≥Q i,且Q 1＞Q x，1＜x＜i，i为正整数且i≥2。
  16. 如权利要求15所述的导液件，其特征在于，所述气溶胶形成基质在第x个区域内的流速Q x满足：至少一个Q x小于第i个区域内的流速Q i。
  17. 如权利要求16所述的导液件，其特征在于，所述气溶胶形成基质在第x个区域内的流速Q x自第1个区域向第i个区域逐渐递减。
  18. 如权利要求15所述的导液件，其特征在于，所述气溶胶形成基质在第x个区域内的流速Q x满足：至少一个Q x不小于第i个区域内的流速Q i。
  19. 如权利要求15所述的导液件，其特征在于，所述导液件包括至少一个多孔芯层；定义R为多孔芯层的平均孔隙半径，则第1个区域内的多孔芯层的平均孔隙半径大于等于第i个区域内的多孔芯层的平均孔隙半径，且大于第x个区域内的多孔芯层的平均孔隙半径，也即，第1个区域至第i个区域内的平均孔隙半径R满足：R 1≥R i且R 1＞R x，1＜x＜i，i为正整数且i≥2。
  20. 如权利要求19所述的导液件，其特征在于，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x小于第i个区域内的流速R i。
  21. 如权利要求20所述的导液件，其特征在于，第x个区域内的多孔芯层的平均孔隙半径R x自第1个区域向第i个区域逐渐递减。
  22. 如权利要求19所述的导液件，其特征在于，第x个区域内的多孔芯层的平均孔隙半径R x满足：至少一个R x不小于第i个区域内的流速R i。
  23. 如权利要求15所述的导液件，其特征在于，所述导液件包括至少一个多孔芯层；第1个区域至第i个区域内的多孔芯层的孔隙率ε满足：ε 1≥ε i且ε 1＞ε x，1＜x＜i，其中，i为正整数且i≥2。
  24. 如权利要求23所述的导液件，其特征在于，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x小于第i个区域内的流速ε i。
  25. 如权利要求24所述的导液件，其特征在于，第x个区域内的多孔芯层的孔隙率ε x自第1个区域向第i个区域逐渐递减。
  26. 如权利要求23所述的导液件，其特征在于，第x个区域内的多孔芯层的孔隙率ε x满足：至少一个ε x不小于第i个区域内的流速ε i。
  27. 如权利要求15所述的导液件，其特征在于，相邻两个区域内的多孔芯层的厚度为L满足：1≤L n-1/L n≤100，n为正整数且1＜n≦i。
  28. 如权利要求15-27任一项所述的导液件，其特征在于，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
  29. 如权利要求15-27任一项所述的导液件，其特征在于，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
  30. 如权利要求28所述的导液件，其特征在于，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内。
  31. 如权利要求30所述的导液件，其特征在于，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
  32. 一种雾化芯，所述雾化芯包括一发热件，其特征在于，所述雾化芯还包括一如权利要求2-10及15-27中任一项所述的导液件，所述发热件设置在所述导液件的与所述发热件相邻的多孔芯层上。
  33. 如权利要求32所示的雾化芯，其特征在于，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
  34. 如权利要求33所示的雾化芯，其特征在于，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
  35. 如权利要求32所示的雾化芯，其特征在于，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
  36. 如权利要求32所示的雾化芯，其特征在于，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
  37. 一种雾化器，其特征在于，所述雾化器包括一储液腔及一与所述储液腔相连通的雾化腔，所述储液腔用于存储气溶胶形成基质，所述储液腔的壁上形成有一出液口，所述雾化器还包括如权利要求32所述的雾化芯，所述导液件与所述出液口流体连通。
  38. 如权利要求37所示的雾化器，其特征在于，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
  39. 如权利要求38所示的雾化器，其特征在于，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
  40. 如权利要求37所示的雾化器，其特征在于，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
  41. 如权利要求37所示的雾化器，其特征在于，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
  42. 一种气溶胶产生系统，其特征在于，所述气溶胶产生系统包括电池组件、气流通道以及如权利要求37所述的雾化器；所述气流通道 与所述雾化腔相连通，所述气流通道用于供从所述雾化腔流出的气溶胶流通至外界，以供人吸食；所述电池组件与所述发热件电连接，所述电池组件用于给所述发热件提供使气溶胶形成基质雾化所需的电能。
  43. 如权利要求42所示的气溶胶产生系统，其特征在于，第x个多孔芯层上形成有一凹槽，第x-1个多孔芯层收容在第x个多孔芯层的凹槽内，其中，1＜x≦i。
  44. 如权利要求43所示的气溶胶产生系统，其特征在于，自第2个多孔芯层至第i个多孔芯层上均形成有一凹槽，第i-1个多孔芯层收容在第i个多孔芯层的凹槽内。
  45. 如权利要求42所示的气溶胶产生系统，其特征在于，所述导液件包括至少两个多孔芯层,一个多孔芯层对应一个所述区域，所述导液件的第1个多孔芯层对应于第1个区域，所述导液件的第x个多孔芯层对应于第x个区域，所述导液件的第i个多孔芯层对应于第i个区域。
  46. 如权利要求42所示的雾化器，其特征在于，所述导液件仅包括1个多孔芯层，所述1个多孔芯层分为多个所述区域。
PCT/CN2020/108184 2019-11-22 2020-08-10 导液件、雾化芯、雾化器及气溶胶产生系统 WO2021098292A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20889954.2A EP4062781A4 (en) 2019-11-22 2020-08-10 LIQUID GUIDE ELEMENT, ATOMIZER CORE, ATOMIZER AND AEROSOL GENERATION SYSTEM
US17/749,181 US20220273039A1 (en) 2019-11-22 2022-05-20 Liquid Guiding Member, Atomizing Core, Atomizer and Aerosol Generating System

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911158496.4A CN112826132B (zh) 2019-11-22 2019-11-22 导液件、雾化芯、雾化器及气溶胶产生系统
CN201911158496.4 2019-11-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/749,181 Continuation-In-Part US20220273039A1 (en) 2019-11-22 2022-05-20 Liquid Guiding Member, Atomizing Core, Atomizer and Aerosol Generating System

Publications (1)

Publication Number Publication Date
WO2021098292A1 true WO2021098292A1 (zh) 2021-05-27

Family

ID=75922598

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/108184 WO2021098292A1 (zh) 2019-11-22 2020-08-10 导液件、雾化芯、雾化器及气溶胶产生系统

Country Status (4)

Country Link
US (1) US20220273039A1 (zh)
EP (1) EP4062781A4 (zh)
CN (1) CN112826132B (zh)
WO (1) WO2021098292A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023242091A1 (en) * 2022-06-14 2023-12-21 Philip Morris Products S.A. Heater assembly for an aerosol-generating system and related manufacturing method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215992753U (zh) * 2021-08-31 2022-03-11 常州市派腾电子技术服务有限公司 雾化芯、雾化器及气溶胶发生装置
JP2024518229A (ja) * 2021-12-23 2024-05-01 深▲ゼン▼市華誠達精密工業有限公司 気流室を有する霧化コア
CN114287669A (zh) * 2021-12-23 2022-04-08 深圳市华诚达精密工业有限公司 雾化效果好的雾化装置
CN114468385A (zh) * 2021-12-23 2022-05-13 深圳市华诚达精密工业有限公司 具有气流仓的雾化芯
CN115804476A (zh) * 2022-11-09 2023-03-17 深圳市卓尔悦电子科技有限公司 雾化芯、雾化器及气溶胶发生装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150184846A1 (en) * 2013-12-26 2015-07-02 Qiuming Liu Atomizer, electronic cigarette, and method for assembling the atomizer
CN105310114A (zh) * 2015-10-21 2016-02-10 深圳麦克韦尔股份有限公司 电子烟及其雾化组件的制造方法
CN108185530A (zh) * 2018-01-27 2018-06-22 深圳市新宜康电子技术有限公司 借助热力推动流体的装置
US20180289068A1 (en) * 2017-04-11 2018-10-11 Microjet Technology Co., Ltd. Electronic cigarette
CN109984387A (zh) * 2019-04-22 2019-07-09 深圳市合元科技有限公司 雾化组件及其制备方法
CN110447962A (zh) * 2019-07-25 2019-11-15 深圳麦克韦尔科技有限公司 雾化元件和电子烟

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI608805B (zh) * 2012-12-28 2017-12-21 菲利浦莫里斯製品股份有限公司 加熱型氣溶膠產生裝置及用於產生具有一致性質的氣溶膠之方法
RU2688868C2 (ru) * 2014-02-10 2019-05-22 Филип Моррис Продактс С.А. Картридж для генерирующей аэрозоль системы
CN105092885B (zh) * 2015-07-27 2018-01-26 华中科技大学 一种火焰气溶胶流速的测量装置和方法
KR102526442B1 (ko) * 2016-06-20 2023-04-28 필립모리스 프로덕츠 에스.에이. 에어로졸 발생 시스템용 증발기 조립체
GB2561867B (en) * 2017-04-25 2021-04-07 Nerudia Ltd Aerosol delivery system
CN207181111U (zh) * 2017-05-31 2018-04-03 未来与挑战株式会社 高温高压用气溶胶取样系统
EP3510880B1 (en) * 2018-01-13 2024-01-24 Shenzhen Innokin Technology Co., Ltd. Atomizing core and its manufacturing method, and an atomization generating device including said atomizing core

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150184846A1 (en) * 2013-12-26 2015-07-02 Qiuming Liu Atomizer, electronic cigarette, and method for assembling the atomizer
CN105310114A (zh) * 2015-10-21 2016-02-10 深圳麦克韦尔股份有限公司 电子烟及其雾化组件的制造方法
US20180289068A1 (en) * 2017-04-11 2018-10-11 Microjet Technology Co., Ltd. Electronic cigarette
CN108185530A (zh) * 2018-01-27 2018-06-22 深圳市新宜康电子技术有限公司 借助热力推动流体的装置
CN109984387A (zh) * 2019-04-22 2019-07-09 深圳市合元科技有限公司 雾化组件及其制备方法
CN110447962A (zh) * 2019-07-25 2019-11-15 深圳麦克韦尔科技有限公司 雾化元件和电子烟

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4062781A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023242091A1 (en) * 2022-06-14 2023-12-21 Philip Morris Products S.A. Heater assembly for an aerosol-generating system and related manufacturing method

Also Published As

Publication number Publication date
CN112826132B (zh) 2022-07-08
EP4062781A4 (en) 2024-02-07
US20220273039A1 (en) 2022-09-01
CN112826132A (zh) 2021-05-25
EP4062781A1 (en) 2022-09-28

Similar Documents

Publication Publication Date Title
WO2021098292A1 (zh) 导液件、雾化芯、雾化器及气溶胶产生系统
WO2021227413A1 (zh) 一种雾化器及其电子雾化装置
US11259570B2 (en) Electronic cigarette and atomizer thereof
US9993027B1 (en) Heater element for a vaporization device
JPH03500923A (ja) 間接蒸発式ガス冷却装置
CN114668183A (zh) 电子雾化装置及其雾化芯、多孔体和多孔体的制造方法
CN114668182A (zh) 电子雾化装置及其雾化芯
CN111657547A (zh) 一种雾化装置
CN212088061U (zh) 雾化装置及用于储存溶液的装置
WO2022252958A1 (zh) 电子雾化装置及其雾化器和雾化组件
CN113475770B (zh) 一种雾化器导液装置
WO2021086110A1 (ko) 미세입자 발생장치용 세라믹 히터의 설치 구조
WO2022052063A1 (zh) 一种雾化器及其电子雾化装置
CN214594168U (zh) 一种雾化器及其电子雾化装置
KR20210052200A (ko) 미세입자 발생장치용 세라믹 히터 설치 구조
CN108095200A (zh) 一种声表面波导液装置
WO2022252479A1 (zh) 电子烟雾化芯和电子烟
WO2023123250A1 (zh) 发热组件、雾化器及电子雾化装置
CN110574970A (zh) 雾化装置及用于储存溶液的装置
WO2015182013A1 (ja) 加湿素子および加湿装置
WO2023035168A1 (zh) 雾化组件及雾化装置
CN115299648A (zh) 雾化芯及电子雾化装置
CN114747810A (zh) 一种雾化器及电子雾化装置
WO2019016873A1 (ja) ウィック
WO2023124162A1 (zh) 发热组件、雾化器及电子雾化装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20889954

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2020889954

Country of ref document: EP

Effective date: 20220622