WO2024041124A1 - Noyau d'atomisation, atomiseur et dispositif de génération d'aérosol - Google Patents

Noyau d'atomisation, atomiseur et dispositif de génération d'aérosol Download PDF

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Publication number
WO2024041124A1
WO2024041124A1 PCT/CN2023/100774 CN2023100774W WO2024041124A1 WO 2024041124 A1 WO2024041124 A1 WO 2024041124A1 CN 2023100774 W CN2023100774 W CN 2023100774W WO 2024041124 A1 WO2024041124 A1 WO 2024041124A1
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WO
WIPO (PCT)
Prior art keywords
heating
conductor
heating element
parts
heating unit
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Application number
PCT/CN2023/100774
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English (en)
Chinese (zh)
Inventor
邱伟华
李景超
Original Assignee
常州市派腾电子技术服务有限公司
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Publication of WO2024041124A1 publication Critical patent/WO2024041124A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring

Definitions

  • the utility model belongs to the field of atomization technology, and in particular, relates to an atomization core, an atomizer and an aerosol generating device.
  • the aerosol generating device usually includes an atomizer and a power supply device electrically connected to the atomizer.
  • the atomizer can heat and atomize the aerosol-forming matrix stored in the atomizer under the electric driving action of the power supply device. Aerosols are formed.
  • the heating device used in atomizers is generally a coil spring-shaped heating wire inlaid on the inner surface of liquid-conducting cotton. Due to the limited contact area between the spiral spring-shaped heating wire and the liquid-conducting cotton, the small heating area of the spiral spring-shaped heating wire, and the uneven heat distribution on the spiral spring-shaped heating wire, it is difficult to fully atomize the aerosol-forming matrix. , it is easy for users to inhale the aerosol-forming matrix directly into the mouth, affecting the taste.
  • one of the purposes of the embodiments of the present invention is to provide an atomizing core to solve the problem of the small heating area and uneven heat distribution of the spiral spring-shaped heating wire existing in the prior art. This makes it difficult for the aerosol-forming matrix to be fully atomized, leading to the problem that the user inhales the aerosol-forming matrix directly into the mouth.
  • the technical solution adopted by this utility model is to provide an atomizer, including:
  • the first conductor is used for electrical connection with the positive electrode of the power supply device
  • the second conductor is used for electrical connection with the negative electrode of the power supply device
  • At least two heating units are used to generate heat after being powered on, and the heating units are respectively connected with the third A conductor is electrically connected to the second conductor;
  • a plurality of coupling conductors electrically connected between two adjacent heating units
  • At least two of the heating units are spaced between the first conductor and the second conductor, and a plurality of coupling conductors can connect two adjacent heating units in series or parallel. , so that the heating element forms a mesh heating element.
  • the heating unit is a zigzag heating element composed of multiple V-shaped heating parts connected, and the two outermost V-shaped heating parts in the same heating unit are connected to the first conductor and the first conductor respectively.
  • the second conductor is electrically connected, and the connection between two adjacent V-shaped heating parts in the same heating unit forms a connection part, and the two ends of each coupling conductor are respectively connected with the two adjacent ones.
  • the corresponding connecting parts in the heating unit are connected so that the heating elements form a mesh heating element with a honeycomb structure;
  • the heating unit is a corrugated heating element composed of multiple U-shaped heating parts connected, and the two outermost U-shaped heating parts in the same heating unit are connected to the first conductor and the first conductor respectively.
  • the second conductor is electrically connected, and the connection between two adjacent U-shaped heating parts in the same heating unit forms a connection part, and the two ends of each coupling conductor are respectively connected to the two adjacent ones.
  • the corresponding connecting parts in the heating unit are connected so that the heating elements constitute a mesh heating element;
  • the heating unit is a zigzag heating element composed of multiple W-shaped heating parts connected, and the two outermost W-shaped heating parts in the same heating unit are connected to the first conductor and the first conductor respectively.
  • the second conductor is electrically connected, and the connection between two adjacent W-shaped heating parts in the same heating unit forms a connection part, and the two ends of each coupling conductor are respectively connected to the two adjacent ones.
  • the corresponding connecting parts in the heating unit are connected so that the heating elements constitute a mesh heating element;
  • the heating unit is a zigzag heating element composed of multiple N-shaped heating parts connected, and the two outermost N-shaped heating parts in the same heating unit are connected to the first conductor and the first conductor respectively.
  • the second conductor is electrically connected, and the connection between two adjacent N-shaped heating parts in the same heating unit forms a connection part, and the two ends of each coupling conductor are respectively connected with the two adjacent ones.
  • the corresponding connecting parts in the heating unit are connected, so that the heating element forms a mesh heating element.
  • the heating element also includes a device for dispersing and conducting the heat on the heating unit.
  • the thermal conductive member is provided on the heating unit.
  • the number of the heat conductive members is set to be multiple, and the plurality of heat conductive members are arranged at intervals on the heating unit.
  • the heating unit is a zigzag heating element composed of multiple V-shaped heating parts connected together.
  • the number of the heat conducting parts is set to be multiple.
  • One end of each heat conducting part is connected to the tip of the corresponding V-shaped heating part.
  • the two outermost V-shaped heating parts in the same heating unit are electrically connected to the first conductor and the second conductor respectively, and the adjacent V-shaped heating parts in the same heating unit are electrically connected to each other.
  • the connection between the two V-shaped heating parts forms a connection part, and the two ends of each coupling conductor are respectively connected to the corresponding connection parts in the two adjacent heating units, so that the heating element A mesh heating element with a honeycomb structure is formed.
  • the heating unit is a zigzag-shaped heating element composed of multiple V-shaped heating parts connected together.
  • the number of the heat conductive members is set to be multiple, and the two V-shaped heating parts located on the outermost side of the same heating unit are They are electrically connected to the first conductor and the second conductor respectively, and the connection between two adjacent V-shaped heating parts in the same heating unit forms a connection part.
  • One end is connected to the connecting portion of the corresponding V-shaped heating part, and the two ends of each coupling conductor are respectively connected to the tips of the corresponding V-shaped heating parts in the two adjacent heating units, so that
  • the heating element constitutes a mesh heating element with a honeycomb structure.
  • the mesh heating element is bent to form an arc, and there is a gap between the first conductor and the second conductor.
  • both the first conductor and the second conductor are arranged in a strip shape or a columnar shape, and the first conductor and the second conductor are arranged parallel and spaced apart along the first direction, and at least two The heating units are arranged at equal intervals between the first conductor and the second conductor along the second direction.
  • the heating element is a mesh heating element
  • the liquid absorbing element is a tubular porous ceramic
  • the inner surface of the porous ceramic forms an atomization surface
  • the mesh heating element is combined with the porous ceramic. the inner surface.
  • the second purpose of the embodiments of the present invention is to provide An atomizer having the atomizing core in any of the above solutions.
  • the technical solution adopted by the present utility model is to provide an atomizer, which includes an atomizing core and a liquid absorbing member for transmitting an aerosol-forming matrix to the atomizing core, and the atomizing core is The atomization core provided by any of the above solutions.
  • the third purpose of the embodiments of the present invention is to provide an aerosol generating device having an atomizing core or an atomizer in any of the above-mentioned solutions.
  • the technical solution adopted by the present utility model is to provide an aerosol generating device, including the atomizing core or the atomizer provided by any of the above solutions.
  • the atomizer and the aerosol generating device in the embodiment of the present invention in the atomizing core structure, at least two heating units are spaced between the first conductor and the second conductor, and use Multiple coupling conductors connect two adjacent heating units in series or parallel, so that two adjacent heating units are connected to form a mesh heating element, which can easily control the heating area of the heating element and the number of heating units.
  • the cross-sectional size of the heating element should be reasonably adjusted to effectively increase the heating area of the heating element within the design range of the resistance value of the heating element, and avoid excessive concentration of heat in the heating unit, so that the heat on the entire heating element is evenly distributed, which is beneficial to the air
  • the sol-forming matrix is fully atomized to prevent the insufficiently atomized aerosol-forming matrix droplets from being directly inhaled into the user's mouth and affecting the taste. Therefore, it can well overcome the small heating area of the spiral spring-shaped heating wire within the design range of resistance value, and the heat is too concentrated, making it difficult for the aerosol-forming substrate to be fully heated and atomized, causing the user to directly inhale the aerosol-forming substrate into the mouth. The problem.
  • Figure 1 is a schematic structural diagram of a heating element provided by an embodiment of the present utility model
  • Figure 2 is a partial enlarged structural diagram of part A in Figure 1;
  • Figure 3 is a schematic structural diagram of a heating element provided by another embodiment of the present invention.
  • Figure 4 is a schematic structural diagram of a heating element provided by another embodiment of the present invention.
  • Figure 5 is a schematic three-dimensional structural diagram of the atomizing core provided by the embodiment of the present utility model
  • Figure 6 is a schematic cross-sectional structural view of the atomizing core shown in Figure 5;
  • Figure 7 is an exploded view of the atomizer core shown in Figure 5;
  • Figure 8 is a simulated temperature distribution cloud diagram of the heating element in Figure 1;
  • Figure 9 is a simulated temperature distribution cloud diagram of the heating element in Figure 4.
  • each figure in the figure is marked with: 1-heating element; 11-first conductor; 12-second conductor; 13-coupling conductor; 14-heating unit; 141-V-shaped heating part; 142-connection part; 143-tip part; 15- Thermal conductive parts; 2-Liquid-absorbing parts; 21-Atomization surface; 3-lead; 4-gap.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, it is limited to “first”, A “second” feature may explicitly or implicitly include one or more of these features.
  • plurality means two or more than two, unless otherwise explicitly and specifically limited.
  • “Plural” means one or more than one, unless otherwise expressly and specifically limited.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a removable connection.
  • Detachable connection, or integral connection can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a removable connection.
  • the atomizing core provided by the embodiment of the present utility model is suitable for the atomizer of the aerosol generating device.
  • Power is supplied to the atomizing core through the power supply device of the aerosol generating device.
  • the heating element of the atomizing core generates heat after being energized to form an aerosol.
  • the substrate is heated and atomized to form an aerosol.
  • the atomization core provided by the embodiment of the present invention includes a heating element 1 for heating an aerosol-forming substrate and atomizing it to form an aerosol and a heating element 1 for forming the aerosol into the aerosol.
  • the substrate is transferred to the liquid absorbing element 2 of the heating element 1 .
  • the heating element 1 includes a first conductor 11 , a second conductor 12 , a plurality of coupling conductors 13 and at least two heating units 14 .
  • the first conductor 11 is used to electrically connect with the positive electrode of the power supply device.
  • the body 12 is used to electrically connect with the negative electrode of the power supply device.
  • At least two heating units 14 are arranged between the first conductor 11 and the second conductor 12, and each heating unit 14 is connected to the first conductor 11 and the second conductor 12 respectively.
  • the conductors 12 are electrically connected.
  • the power supply device of the aerosol generating device supplies power to the first conductor 11 and the second conductor 12 respectively, at least two heating units 14 generate heat after being energized, which can be transmitted to the liquid absorbing member 2
  • the aerosol-forming matrix is heated and atomized.
  • the thickness range of the heating unit 14 is controlled at 0.10 ⁇ 0.16 mm.
  • Multiple coupling conductors 13 means that the number of coupling conductors 13 is more than three.
  • At least two heating units 14 refer to the heating unit.
  • the setting number of 14 can be two or more.
  • the heating element 1 shown in Figure 1 is provided with two heating units 14, the heating element 1 shown in Figure 3 is provided with three heating units 14, and the heating element 1 shown in Figure 4 is provided with six heating units 14. There are three heating units 14.
  • the specific number of heating units 14 can be reasonably set according to the heating requirements of the heating element 1, and is not uniquely limited here.
  • At least two heating units 14 are spaced between the first conductor 11 and the second conductor 12 , and a plurality of coupling conductors 13 are electrically connected to adjacent ones. Between the two heating units 14, two adjacent heating units 14 can be connected in series or in parallel through a plurality of coupling conductors 13, so that the heating element 1 forms a mesh heating element.
  • the two heating units 14 are connected to form a whole.
  • the heating area of the heating element 1, the cross-sectional size of the heating element 1, and the number of heating units 14 can be easily adjusted.
  • the resistance value of the heating element 1 is within the design range, which can effectively increase the heating area of the heating element 1 and prevent the heat generated by the heating unit 14 from being too concentrated, so that the heat is evenly distributed on the entire heating element 1 and slows down the accumulation caused by local high temperatures.
  • Carbon is produced to keep the amount of atomization and taste consistent before and after, which is conducive to fully atomizing the aerosol-forming matrix and preventing the small droplets of the aerosol-forming matrix that are not fully atomized from being directly inhaled by the user and affecting the taste.
  • the heating unit 14 is provided with a heat conductor 15 that can disperse and conduct the heat on the heating element, which can further prevent the heat from being too concentrated in the heating unit 14 and make the heat distribution on the entire heating element 1 even.
  • a heat conductor 15 that can disperse and conduct the heat on the heating element, which can further prevent the heat from being too concentrated in the heating unit 14 and make the heat distribution on the entire heating element 1 even.
  • the temperatures of the heating unit 14, the coupling conductor 13, and the heat conductor 15 are distributed in a gradient manner, so that the aerosol-forming matrix is atomized at different temperatures to form aerosols of different components, thereby diversifying the atomized components and enriching the taste. , improve the taste of aerosol for users.
  • the heating element 1 provided by the embodiment of the present invention is configured by arranging at least two heating units 14 at intervals between the first conductor 11 and the second conductor 12, and using a plurality of conductive couplings.
  • the body 13 connects two adjacent heating units 14 in series or parallel, so that the two adjacent heating units 14 are connected to form a mesh heating element, which can conveniently adjust the heating area of the heating element 1 and the number of heating units 14
  • the cross-sectional size of the heating element 1 is reasonably adjusted to effectively increase the heating area of the heating element 1 within the design range of the resistance value of the heating element 1, and avoid excessive concentration of heat in the heating unit 14, so that the heat on the entire heating element 1 is evenly distributed.
  • the heating unit 14 can be composed of multiple V-shaped heating parts 141 connected to form a zigzag heating element.
  • the two outermost V-shaped heating parts 141 in the unit 14 are electrically connected to the first conductor 11 and the second conductor 12 respectively, and the connection between two adjacent V-shaped heating parts 141 in the same heating unit 14 A connection portion 142 is formed, and both ends of each coupling conductor 13 are connected to corresponding connection portions 142 in two adjacent heating units 14 , so that the heating element 1 forms a mesh heating element with a honeycomb structure.
  • the heating unit 14 may be composed of multiple U-shaped heating parts connected to form a corrugated heating element.
  • the two outermost U-shaped heating parts of the same heating unit 14 They are electrically connected to the first conductor 11 and the second conductor 12 respectively, and the connection between two adjacent U-shaped heating parts in the same heating unit 14 forms a connection part 142, each of which is coupled to two ends of the conductor 13. They are respectively connected to the corresponding connecting portions 142 in two adjacent heating units 14, so that the heating element 1 forms a mesh heating element.
  • the heating unit 14 may be composed of multiple W-shaped heating parts connected to form a zigzag heating element.
  • the two outermost W-shaped heating parts of the same heating unit 14 are connected with each other.
  • the first conductor 11 is electrically connected to the second conductor 12, and the connection between two adjacent W-shaped heating parts in the same heating unit 14 forms a connection part 142.
  • the two ends of each coupling conductor 13 are respectively connected to the phase.
  • the corresponding connecting parts 142 in two adjacent heating units 14 are connected, so that the heating element 1 forms a mesh heating element.
  • the heating unit 14 may be composed of multiple N-shaped heating parts connected to form a zigzag heating element.
  • the two outermost N-shaped heating parts of the same heating unit 14 are connected with each other respectively.
  • the first conductor 11 and the second conductor 12 are electrically connected, and the connection between two adjacent N-shaped heating parts in the same heating unit 14 forms a connection part 142.
  • the two ends of each coupling conductor 13 are respectively connected to the phase.
  • the corresponding connecting parts 142 in two adjacent heating units 14 are connected, so that the heating element 1 forms a mesh heating element.
  • the heating element 1 also includes a thermal conductive element 15 for dispersing and conducting the heat on the heating element 1 .
  • the thermal conductive element 15 is provided in the heating unit 14 superior.
  • the heat conductive member 15 is provided on the heating unit 14, and the heat on the heating member 1 is dispersed and conducted through the heat conductive member 15.
  • the heat on the heating unit 14 is prevented from being too concentrated and causing dry burning and carbon deposition.
  • it can increase the heating area of the aerosol-forming matrix, which is beneficial to improving the atomization effect and the amount of aerosol generated. Please further refer to FIGS. 2 and 3 .
  • the number of heat conductive members 15 is set to multiple, and the plurality of heat conductive members 15 are arranged at intervals on the heating unit 14 , which is beneficial to dissipating the heat on the heating member 1 .
  • the conduction is conducted quickly and dispersedly around the heating unit 14 so that the temperature on the heating element 1 is evenly distributed, thereby preventing excessive concentration of heat on the heating unit 14 and causing dry burning and carbon deposition.
  • the number of heat conductive elements 15 is set to multiple. Two adjacent ones of the same heating unit 14 The spacing between the thermal conductive members 15 is equal.
  • the heating unit 14 is a zigzag-shaped heating element composed of multiple V-shaped heating parts 141 connected together.
  • the number of heat-conducting parts 15 is set to multiple.
  • One end of each heat-conducting part 15 is connected to the tip 43 of the corresponding V-shaped heating part 141.
  • the same heating unit 14 The two outermost V-shaped heating parts 141 are electrically connected to the first conductor 11 and the second conductor 12 respectively, and the connection between two adjacent V-shaped heating parts 141 in the same heating unit 14 forms a connection.
  • each coupling conductor 13 is respectively connected to the corresponding connecting portions 142 of two adjacent heating units 14, so that the heating element 1 forms a mesh heating element with a honeycomb structure.
  • the heating element 1 forms a mesh heating element with a honeycomb structure.
  • the position on the V-shaped heating part 141 located between the two connecting parts 142 has the highest temperature, so the effect of disposing the heat conductive member 15 here is the best.
  • the V-shaped heating part 141 is located at the middle position of the two connecting parts 142, which is the tip part 43 of the V-shaped heating part.
  • the heating unit 14 is a zigzag heating element composed of multiple V-shaped heating parts 141 connected together.
  • the number of heat conductive members 15 is set to be multiple.
  • the same heating unit 14 is located in The two outermost V-shaped heating parts 141 are electrically connected to the first conductor 11 and the second conductor 12 respectively, and the connection between two adjacent V-shaped heating parts 141 in the same heating unit 14 forms a connection part 142 , one end of each thermal conductor 15 is connected to the connecting portion 142 of the corresponding V-shaped heating portion 141 , and both ends of each coupling conductor 13 are respectively connected to the tip portion 43 of the corresponding V-shaped heating portion 141 in two adjacent heating units 14 They are connected together so that the heating element 1 forms a mesh heating element with a honeycomb structure.
  • the honeycomb-structured mesh heating element by connecting one end of the heat conductive member 15 to the connecting portion 142 of the corresponding V-shaped heating portion 141 , it is conducive to conduct the heat on the heating member 1 to the surroundings of the heating unit 14 quickly and dispersedly, so that the heating member 1 The temperature distribution on the heating unit 14 is even, so as to avoid excessive concentration of heat on the heating unit 14 and causing dry burning and carbon deposition.
  • the main advantages of the honeycomb-structured mesh heating element are: strong bearing capacity, compact structure, practicality, and material saving. Due to the arrangement of multiple walls and a series of continuous honeycomb-shaped mesh structures, it can disperse external forces from all sides, making the mesh heating element with a honeycomb structure more resistant to extrusion than any circle or square. Much higher.
  • the mesh heating element is bent to form an arc shape, and there is a gap 4 between the first conductor 11 and the second conductor 12 .
  • the mesh heating element by bending the mesh heating element to form an arc, and allowing a gap 4 between the first conductor 11 and the second conductor 12, the first conductor 11 and the second conductor 12 are effectively prevented from being contact and cause a short circuit.
  • the first conductor 11 and the second conductor 12 are arranged in a strip shape or a columnar shape. 12 are arranged parallel and spaced along the first direction, and at least two heating units 14 are equally spaced between the first conductor 11 and the second conductor 12 along the second direction, and the second direction is perpendicular to the first direction.
  • the first conductor 11 and the second conductor 12, both of which are arranged in a strip or columnar shape are arranged parallel and spaced along the first direction, and at least two heating units 14 are arranged at equal intervals along the second direction.
  • the heating element 1 forms a mesh heating element with good structural consistency, ensuring that the heating area of the heating element 1 is effectively increased within the design range of the resistance value of the heating element 1, and preventing the temperature on the heating element 1 from being concentrated locally.
  • the first conductor 11 and the second conductor 12 are respectively provided with leads 3 to facilitate the connection between the first conductor 11 and the second conductor 12 .
  • the power supply device is electrically connected.
  • the heating element 1 provided by the embodiment of the present invention has a large heating area and uniform temperature distribution, which can effectively avoid excessive concentration of heat on the heating unit 14 and cause Dry burning carbon deposits.
  • Embodiments of the present invention also provide an atomizer, which includes the heating element 1 provided in any of the above embodiments and a liquid absorbing element 2 for transmitting the aerosol-forming matrix to the heating element 1.
  • the heating element 1 is provided with on the liquid-absorbing part 2.
  • the atomizer has all the technical features of the heating element 1 provided in any of the above embodiments, it has the same technical effect as the above-mentioned heating element 1 .
  • the heating unit 14 mentioned in the embodiment of the present invention can be, but is not limited to, metal parts such as pure nickel alloy, nickel-chromium alloy, nickel-iron alloy, iron-chromium alloy, iron-chromium-aluminum alloy, titanium alloy or stainless steel.
  • the second conductor 12 may be, but is not limited to, a conductive metal part.
  • the heat conductive part 15 mentioned in the embodiment of the present invention may be, but is not limited to, a heat conductive metal part.
  • the liquid absorbing part mentioned in the embodiment of the present invention 2 can be, but is not limited to, porous ceramics, porous metals, porous glass, liquid-absorbent cotton or liquid-absorbent fibers, etc.
  • the liquid-absorbing member 2 is arranged in a tubular or annular shape.
  • the inner surface of the tubular or annular liquid-absorbing member 2 forms an atomization surface 7
  • the heating element 1 is embedded in the inner surface of the liquid-absorbing member 2 .
  • the heating element 1 is a mesh heating element
  • the liquid absorbing element 2 is a tubular porous ceramic.
  • the inner surface of the porous ceramic forms an atomization surface 7, and the mesh heating element is combined with
  • the thermal field covers a wide range of porous ceramics.
  • the mesh heating element can increase the heat transfer rate.
  • the field covers the range of the pores of the porous ceramic, fully atomizing the aerosol-forming matrix in the pores of the porous ceramic, reducing fluid accumulation, further slowing down oil leakage, preventing users from inhaling the aerosol-forming matrix into their mouths, and maintaining the taste.
  • the mesh heating element covers a large area of the porous ceramic, so the thermal field covers a wide range of the porous ceramic, which makes up for the disadvantage of the porous ceramic's insufficient liquid locking ability.
  • the mesh heating element can increase the range of the thermal field covering the small holes of the porous ceramic.
  • the aerosol-forming matrix in the small pores of the porous ceramic is fully atomized, reducing liquid accumulation, further slowing down oil leakage, preventing users from inhaling the aerosol-forming matrix into their mouths, and maintaining the taste. It can be understood that as an implementation method, a mesh heating element is made by forming a pattern on the heating sheet by precise etching. The spacing between the heating units 14 can be controlled by designing the etching pattern.
  • the heating units 14 After etching, the heating units 14 The spacing between the heating units 14 is fixed to prevent the spacing between the heating units 14 from being reduced when impacted, so that short circuits will not occur between the heating units 14 and the resistance value of the heating element 1 will not change due to the impact of the heating element 1. Improve the consistency of the resistance value of heating element 1, thereby improving the atomization effect.
  • the first direction is parallel to the axial direction of the liquid-absorbing member 2
  • the first conductor 11 and the second conductor 12 are axially connected by the liquid-absorbing member 2 .
  • the two end faces facing upward are led out of the liquid absorbing member 2 respectively, or the first conductor 11 and the second conductive body 12 are led out of the liquid absorbing member 2 from any end face in the axial direction of the liquid absorbing member 2 .
  • the first conductor 11 and the second conductor 12 are arranged parallel and spaced apart along the first direction, and the first direction is parallel to the axial direction of the liquid absorbing member 2, so that the first conductor 11 and the second conductor 12 can be from the same end face in the axial direction of the liquid suction part 2 or
  • the two opposite end faces are led out of the liquid-absorbing member 2, so that the atomizing core can meet the requirements of transverse or axial arrangement in the atomizer, especially when the atomizing core is axially arranged in the atomizer, It is possible to avoid bending of one of the first conductor 11 and the second conductor 12 so as to be led from the same end surface in the axial direction of the liquid absorbing member 2 to the outside of the liquid absorbing member 2, thereby simplifying the electrical connection structure.
  • the first direction is parallel to the axial direction of the liquid-absorbing member 2
  • a conductor 1 and a second conductor 12 are respectively provided with leads 3, and the leads 3 corresponding to the first conductor 11 are connected by the liquid-absorbing member 2.
  • 2 is led out from one end face of the liquid absorbing member 2 in the axial direction to the outside of the liquid absorbing member 2
  • the lead wire 3 corresponding to the second conductor 12 is led out from the other end face of the liquid absorbing member 2 in the axial direction to the outside of the liquid absorbing member 2, or the first conductive body 11
  • the corresponding lead wires 3 and the corresponding lead wires 3 of the second conductor 12 are both led out from any end surface of the liquid absorbing member 2 in the axial direction to the outside of the liquid absorbing member 2 .
  • the first conductor 11 and the second conductor 12 are arranged parallel and spaced apart along the first direction, and the first direction is parallel to the axial direction of the liquid absorbing member 2, so that the leads 3 corresponding to the first conductor 11 and The corresponding leads 3 of the second conductor 12 can be led out of the liquid absorbing member 2 from the same axial end surface or two opposite end surfaces of the liquid absorbing member 2, so that the atomizing core can be arranged laterally in the atomizer or
  • the need for axial arrangement, especially when the atomizer core is axially arranged in the atomizer, can avoid bending of one of the lead wires 3 corresponding to the first conductor 11 and the lead wire 3 corresponding to the second conductor 12 to achieve The same end surface of the liquid-absorbing part 2 in the axial direction is led out of the liquid-absorbing part 2, thus simplifying the electrical connection structure.
  • An embodiment of the present invention also provides an aerosol generating device, which includes the heating element 1 or the atomizer provided in any of the above embodiments. Since the aerosol generating device has all the technical features of the heating element 1 or the atomizer provided in any of the above embodiments, it has the same technical effect as the above-mentioned heating element 1 or the atomizer.
  • the aerosol generating device mentioned in the embodiment of the present invention generally includes an atomizer and a power supply device electrically connected to the atomizer.
  • the power supply device can provide electric energy to the atomizer, and the atomizer heats and atomizes the aerosol-forming matrix stored in the atomizer under the action of electric drive, and the aerosol-forming matrix is atomized to form of aerosols available for users to inhale.

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  • Resistance Heating (AREA)

Abstract

La présent modèle d'utilité concerne un noyau d'atomisation, un atomiseur et un dispositif de génération d'aérosol. Le noyau d'atomisation comprend un élément chauffant et un élément d'aspiration de liquide. L'élément chauffant comprend un premier conducteur électrique, un second conducteur électrique, une pluralité de conducteurs électriques de couplage et au moins deux unités de chauffage. Les au moins deux unités de chauffage sont agencées entre le premier conducteur électrique et le second conducteur électrique à des intervalles, et des groupes de deux unités de chauffage adjacentes sont connectés en série ou en parallèle au moyen de la pluralité de conducteurs électriques de couplage, de sorte que des groupes de deux unités de chauffage adjacentes sont reliés pour former un élément chauffant en forme de maille, la zone de chauffage de l'élément chauffant, le nombre d'unités de chauffage et la taille de section transversale de l'élément chauffant peuvent être ajustés de manière pratique et raisonnable, la zone de chauffage de l'élément chauffant peut être efficacement augmentée dans une plage de conception de valeur de résistance de l'élément chauffant et une concentration excessive de chaleur sur les unités de chauffage peut être évitée ; par conséquent, la distribution de chaleur sur l'ensemble de l'élément chauffant est uniforme, ce qui facilite l'atomisation complète d'un substrat de formation d'aérosol et empêche de petites gouttelettes du substrat de formation d'aérosol qui ne sont pas complètement atomisées d'être directement inhalées dans la bouche d'un utilisateur.
PCT/CN2023/100774 2022-08-26 2023-06-16 Noyau d'atomisation, atomiseur et dispositif de génération d'aérosol WO2024041124A1 (fr)

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