CN112369713A - Heating assembly and aerosol generating device with same - Google Patents

Heating assembly and aerosol generating device with same Download PDF

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Publication number
CN112369713A
CN112369713A CN202010464876.7A CN202010464876A CN112369713A CN 112369713 A CN112369713 A CN 112369713A CN 202010464876 A CN202010464876 A CN 202010464876A CN 112369713 A CN112369713 A CN 112369713A
Authority
CN
China
Prior art keywords
heating element
heating assembly
heating
electrically insulating
resistive heating
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010464876.7A
Other languages
Chinese (zh)
Inventor
刘华臣
李丹
陈义坤
杨俊鹏
王昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Hubei Industrial LLC
Original Assignee
China Tobacco Hubei Industrial LLC
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 China Tobacco Hubei Industrial LLC filed Critical China Tobacco Hubei Industrial LLC
Priority to CN202010464876.7A priority Critical patent/CN112369713A/en
Publication of CN112369713A publication Critical patent/CN112369713A/en
Priority to JP2022543692A priority patent/JP2023512935A/en
Priority to PCT/CN2021/092724 priority patent/WO2021238632A1/en
Priority to EP21814595.1A priority patent/EP4159060A1/en
Priority to KR1020227024071A priority patent/KR20220143645A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/148—Silicon, e.g. silicon carbide, magnesium silicide, heating transistors or diodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • 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
    • A24F40/20—Devices using solid 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
    • A24F40/70—Manufacture
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/032—Heaters specially adapted for heating by radiation heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

The invention discloses a heating assembly and an aerosol generating device with the same. The heating assembly comprises a resistance heating element for converting electric energy into internal energy, wherein a first electric insulation base body is arranged inside and/or outside the resistance heating element, and an infrared layer used for emitting infrared rays outwards after being heated is arranged on the surface of the first electric insulation base body and/or the resistance heating element. The aerosol generating device comprises a shell, wherein a smoking medium accommodating part, the heating assembly and a power supply for supplying power to the heating assembly are arranged in the shell, and the resistance heating element, the first electric insulation base body and the infrared layer of the heating assembly are arranged in the smoking medium accommodating part together. The invention can improve the heating efficiency and reduce the energy consumption, thereby improving the cruising ability of the power supply.

Description

Heating assembly and aerosol generating device with same
Technical Field
The invention belongs to the technical field of novel cigarettes, and particularly relates to a heating assembly and an aerosol generating device with the same.
Background
The electric heating low-temperature cigarette is an important direction for the current development of novel tobacco, and as the heater is an important part of the electric heating low-temperature cigarette, the heating efficiency of the heater and the heating uniformity can have important influence on the smoking taste and the continuity of the product. However, the conventional heater generally has the problems of low thermal efficiency, unstable heat generation, short life and poor stability.
Disclosure of Invention
The invention aims to provide a heating assembly and an aerosol generating device with the same aiming at the defects of the prior art, and the heating assembly can improve the heating efficiency and reduce the energy consumption.
In order to solve the technical problems, the invention adopts the following technical scheme: a heating assembly comprises a resistance heating element for converting electric energy into internal energy, wherein a first electric insulation base body is arranged inside and/or outside the resistance heating element, and an infrared layer used for emitting infrared rays outwards after being heated is arranged on the surface of the first electric insulation base body and/or the resistance heating element.
In a specific embodiment, the infrared layer is made of at least one of a carbide, a silicide, a nitride, and an oxide.
In a particular embodiment, the first electrically insulating matrix is made of at least one of a carbide, a silicide, a nitride, and an oxide.
In a specific embodiment, the surface of the infrared layer is provided with a light transmissive layer for conducting and transmitting infrared light.
In a particular embodiment, both the interior and the exterior of the resistive heating element are provided with the first electrically insulating matrix, and the infrared layer is provided on the outer surface of the first electrically insulating matrix located outside and/or inside the resistive heating element.
In a particular embodiment, the resistive heating element, the first electrically insulating base, and the infrared layer are collectively for insertion into a smoking medium.
In a particular embodiment, the first electrically insulating substrate is provided on the inside of the resistive heating element, the infrared layer is provided on the outer surface of the resistive heating element, and the infrared layer is also provided on the outer surface of the first electrically insulating substrate.
In a specific embodiment, the heating assembly includes a second electrically insulating base disposed on a bottom of the first electrically insulating base and an electrically conductive element disposed on a bottom of the resistive heating element and electrically connected to the resistive heating element.
In a particular embodiment, the electrically conductive element and the resistive heating element are co-located at a position between the first electrically insulating substrate and the second electrically insulating substrate.
In a particular embodiment, the cross-sectional area of the conductive element is equal to or greater than the cross-sectional area of the resistive heating element.
In a specific embodiment, the resistive heating element and the electrically conductive element are made of the same material, and the electrical resistance of the electrically conductive element is less than the electrical resistance of the resistive heating element.
In a particular embodiment, the resistive heating element and the electrically conductive element are both made of a ceramic, metal, or alloy.
In one embodiment, the resistive heating element and the conductive element are made of nichrome, platinum alloy, tungsten, nichrome, or a cermet compound.
In one embodiment, the resistive heating element and the electrically conductive element are each made of a different material, and the electrically conductive element has a resistivity less than the resistivity of the resistive heating element.
In one embodiment, the resistive heating element is made of nichrome, platinum alloy, tungsten, nichrome or cermet compound and the conductive element is made of gold, silver, copper, gold alloy, silver alloy, copper alloy or superconductor material.
In a particular embodiment, the heating assembly further comprises a mount connected to the second electrically insulating base and/or the electrically conductive element for securing the heating assembly within an aerosol generating device.
In a specific embodiment, the heating assembly further comprises a plurality of electrodes, each disposed at the bottom of the conductive element and used for connecting an external power source.
In a particular embodiment, the cross-sections of the resistive heating element, the first electrically insulating matrix and the infrared layer are together arranged in a circle, an ellipse, a square, a rectangle or a polygon.
In one embodiment, the top of the heating assembly is provided with a tapered or pointed end.
An aerosol generating device comprises a housing, a smoking medium containing portion, a heating assembly and a power supply for supplying power to the heating assembly are arranged in the housing, and the resistance heating element, the first electrical insulating base body and the infrared layer of the heating assembly are arranged in the smoking medium containing portion.
In a specific embodiment, a control part is arranged in the shell and used for controlling the heating power of the heating assembly
Compared with the prior art, the invention has the beneficial effects that:
1. the heating assembly is provided with the resistance heating element and the infrared layer, so that the heat conduction heating and the radiation heating of the heating assembly can be realized simultaneously, the heating efficiency can be obviously improved, the energy consumption is reduced, the cruising ability of a power supply is enhanced, the fuming medium can be heated more uniformly, and the heating effect is good.
2. The first electric insulation substrate of the heating assembly is made of at least one of carbide, silicide, nitride and oxide, so that the heating efficiency and the heating effect of the heating assembly can be further improved.
3. The heating assembly is provided with the light transmission layer, so that the surface smoothness of the heating assembly and the service life of a product can be kept.
4. The cross section area of the conductive element is larger than or equal to that of the resistance heating element, so that heat can be generated by the resistance heating element, energy loss is prevented, and the integral bending strength of the heating assembly can be improved.
5. The heating assembly of the present invention also includes a base that can quickly secure the heating assembly within the aerosol generating device.
6. The top of the heating assembly of the present invention is provided with a tapered or pointed end to facilitate insertion into the interior of a smoking medium.
7. The aerosol generating device comprises the heating assembly, so that the heating efficiency can be obviously improved, the energy consumption is reduced, the cruising ability of a power supply is enhanced, the fuming medium can be heated more uniformly, and the heating effect is good.
8. The aerosol generating device is provided with the control part, the heating power of the heating assembly can be controlled, so that the temperature of the heating assembly can be controlled in real time, the temperature of the heating assembly is kept at the appropriate temperature in real time to heat the fuming medium, the fuming medium is prevented from being overheated or insufficiently heated, the smoke of the fuming medium is in the state suitable for being sucked, and the user experience is good.
Drawings
FIG. 1 shows a schematic structural view of one embodiment of a heating assembly of the present invention;
FIG. 2 shows a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 shows a schematic structural view of another embodiment of a heating assembly of the present invention;
FIG. 4 shows a schematic structural view of yet another embodiment of a heating assembly of the present invention;
FIG. 5 shows a schematic cross-sectional view B-B of FIG. 4;
FIG. 6 shows a schematic structural view of yet another individual embodiment of a heating assembly of the present invention;
figure 7 shows a schematic structural view of a particular embodiment of an aerosol generating device of the invention having the heating assembly;
figure 8 shows a schematic diagram of a comparison of the aerosol-generating device of the invention having the heating assembly of the aerosol-generating device of the invention of smoke release concentration and temperature.
Wherein, 100-heating assembly; 1-a resistive heating element; 2-a first electrically insulating substrate; 3-an infrared layer; 4-a second electrically insulating substrate; 5-a conductive element; 6-an electrode; 7-a base; 8-a smoking medium; 9-a housing; 10-a smoking medium receptacle; 11-a power supply; 12-a control section.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 1 to 6, the heating assembly 100 of the present invention includes a resistance heating element 1 for converting electric energy into internal energy, a first electrically insulating base 2 is disposed inside and/or outside the resistance heating element 1, and an infrared layer 3 (shown in fig. 2 and 5) for emitting infrared rays to the outside after being heated is disposed on the surface of the first electrically insulating base 2 and/or the resistance heating element 1. During the use, when electric current was through resistance heating element 1, resistance heating element 1 can produce the heat, and the heat that produces can conduct to first electrical insulation base member 2 for infrared layer 3 is heated and is produced infrared wave, can realize heating assembly 100's conduction heating and radiant heating, and heating efficiency is high, and heats effectually.
In a specific embodiment, the infrared layer 3 is made of at least one of carbide, silicide, nitride, and oxide.
In a specific embodiment, the first electrically insulating substrate 2 is made of at least one of a carbide, a silicide, a nitride, and an oxide, which can further improve the heating efficiency and the heating effect of the heating assembly 100.
In a particular embodiment, the infrared layer 3 and/or the first electrically insulating matrix 2 are capable of generating infrared waves in the wavelength range of 1 to 25 microns.
In a specific embodiment, the surface of the infrared layer 3 is provided with a light-transmitting layer for conducting and transmitting infrared light, which can keep the surface of the heating assembly 100 smooth and the service life of the product.
In a specific embodiment, as shown in fig. 1 and fig. 2, the first electrically insulating base 2 is disposed inside and outside the resistance heating element 1, and the infrared layer 3 is disposed on the outer surface of the first electrically insulating base 2 outside the resistance heating element 1, so that the heating efficiency is high and the heating effect is good. And the first electric insulation base body 2 and the resistance heating element 1 which are positioned in the resistance heating element 1 and the first electric insulation base body 2 which is positioned outside the resistance heating element 1 are arranged side by side, so that the structure is attractive, and the use is convenient.
In a particular embodiment, the resistive heating element 1 and the first electrically insulating substrate 2 are provided in one piece.
In a particular embodiment, the resistive heating element 1 and the first electrically insulating substrate 2 are provided as separate bodies.
In a particular embodiment, as shown in fig. 4, 5, the interior of the resistive heating element 1 is provided with a first electrically insulating matrix 2. The outer surface of the resistance heating element 1 is provided with the infrared layer 3, the outer surface of the first electric insulation base body 2 is also provided with the infrared layer 3, the heating efficiency is high, and the heating effect is good. And the resistance heating element 1 and the first electric insulation base body 2 are arranged side by side, so that the structure is attractive and the use is convenient.
In one particular embodiment, as shown in FIGS. 1-6, the heating assembly 100 includes a second electrically insulative base 4 and an electrically conductive member 5. Wherein the second electrically insulating base 4 is arranged at the bottom of the first electrically insulating base 2 and the electrically conductive element 5 is arranged at the bottom of the resistance heating element 1 and is electrically connected to the resistance heating element 1.
In a particular embodiment, as shown in fig. 1, 3, the electrically conductive element 5 and the resistive heating element 1 are co-located at a position between the first electrically insulating substrate 2 and the second electrically insulating substrate 4.
In one particular embodiment, as shown in fig. 4, the cross-sectional area of the conductive element 5 is equal to the cross-sectional area of the resistive heating element 1.
In a specific embodiment, the resistive heating element 1 and the electrically conductive element 5 are made of the same material, and the electrical resistance of the electrically conductive element 5 is less than the electrical resistance of the resistive heating element 1.
In a particular embodiment, both the resistive heating element 1 and the conductive element 5 are made of ceramic, metal or alloy.
In a particular embodiment, the resistive heating element 1 and the conductive element 5 are made of nichrome, platinum alloy, tungsten, nichrome or a cermet compound.
In a specific embodiment, the resistive heating element 1 and the conductive element 5 are made of different materials, respectively, and the resistivity of the conductive element 5 is smaller than the resistivity of the resistive heating element 1.
In a particular embodiment, the resistive heating element 1 is made of at least one of nichrome, platinum alloy, tungsten, nichrome, and a cermet compound. The conductive member 5 is made of at least one of gold, silver, copper, gold alloy, silver alloy, copper alloy, and superconductor material.
In a specific embodiment, as shown in fig. 1, 3, 6, the cross-sectional area of the conductive element 5 is equal to or greater than the cross-sectional area of the resistive heating element 1. When the resistance heating element 1 and the conductive element 5 are made of the same material, the cross-sectional area of the conductive element 5 is larger than the cross-sectional area of the resistance heating element 1, and the resistance value of the conductive element 5 can be reduced so that heat is mainly generated from the resistance heating element 1. Meanwhile, the bending strength of the conductive element 5 is higher than that of the second electric insulation base 4, and the overall bending strength of the heating assembly can be improved. When the resistance heating element 1 and the conductive element 5 are made of different materials, the cross-sectional area of the conductive element 5 is larger than or equal to the cross-sectional area of the resistance heating element 1, and the resistance value of the conductive element 5 can be reduced by combining that the resistivity of the conductive element 5 is smaller than that of the resistance heating element 1, so that heat is mainly generated by the resistance heating element 1.
In a particular embodiment, the second electrically insulating base 4 and the electrically conductive element 5 are provided in one piece.
In a particular embodiment, the second electrically insulating base 4 and the electrically conductive element 5 are arranged separately.
In a particular embodiment, as shown in fig. 1, 3, 4, the heating assembly 100 further comprises a plurality of electrodes 6. A plurality of electrodes 6 are each provided at the bottom of the conductive member 5 and are used for connection to an external power supply.
In a particular embodiment, as shown in fig. 3, 4, the heating assembly 100 further comprises a base 7 connected to the second electrically insulating base 4 and/or the electrically conductive element 5, the base 7 being used to secure the heating assembly 100 within the aerosol generating device.
In a specific embodiment, the resistive heating element 1, the first electrically insulating base body 2 and the infrared layer 3 are used together for insertion into a smoking medium 8 (as shown in fig. 7), which can heat the smoking medium 8 with high heating efficiency and good heating effect.
In a particular embodiment, the resistive heating element 1, the first electrically insulating matrix 2 and the infrared layer 3 are arranged together in a circular, elliptical, square, rectangular or polygonal cross-section.
In a particular embodiment, as shown in fig. 1, 3, 4, the top of the heating assembly 100 is provided with a tapered or pointed end to facilitate insertion into the interior of the smoking medium 8.
As shown in fig. 7, the aerosol generating device of the present invention includes a housing 9, a smoking medium container 10, a heating assembly 100, and a power supply 11 for supplying power to the heating assembly 100 are disposed in the housing 9, and the resistive heating element 1, the first electrically insulating base body 2, and the infrared layer 3 are disposed in the smoking medium container 10, and can be used to heat the smoking medium 8, so that the heating efficiency is high, and the heating effect is good.
In a specific embodiment, a control portion 12 is disposed in the housing 9, and the control portion 12 is used for controlling the heating power of the heating assembly 100. Specifically, the control part 12 can control the power supply 11 to supply power to the heating element 100, and control the power supply 11 to output the electric quantity of the heating element 100, so as to control the temperature of the heating element 100 in real time, so that the temperature of the heating element 100 is kept at a proper temperature (for example, 150 to 350 ℃) in real time to heat the smoking medium 8, and the smoking medium 8 is prevented from being overheated or insufficiently heated, so that the smoke of the smoking medium 8 is in a state suitable for smoking.
As shown in fig. 8, the temperature required by the heating element 100 of the present invention is T2 (in degrees celsius) and the temperature required by the non-infrared heating element 100 is T1 (in degrees celsius) at the same atomization level C1 (aerosol emission concentration in mg/mouth), with T2 being less than T1, indicating that the heating element 100 of the present invention can produce better atomization at lower temperatures, as compared to the thermal efficiency of the heating element 100 of the present invention.
The protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (20)

1. A heating assembly, characterized by, including being used for turning into the resistance heating element of internal energy with electric energy, resistance heating element's inside and/or outside is provided with first electric insulation base member, first electric insulation base member and/or resistance heating element be provided with on the surface be used for the infrared layer that sends infrared ray outward after being heated.
2. The heating element of claim 1, wherein the infrared layer is made of at least one of a carbide, a silicide, a nitride, and an oxide.
3. The heating element of claim 1, wherein the first electrically insulating matrix is made of at least one of a carbide, a silicide, a nitride, and an oxide.
4. A heating assembly according to claim 1, wherein a surface of the infrared layer is provided with a light transmissive layer for conducting heat and transmitting infrared light.
5. The heating assembly of claim 1, wherein both the interior and exterior of the resistive heating element are provided with the first electrically insulating matrix, and the infrared layer is provided on an outer surface of the first electrically insulating matrix located outside and/or inside the resistive heating element.
6. The heating assembly of claim 1, wherein the resistive heating element, the first electrically insulating base, and the infrared layer are collectively for insertion into a smoking medium.
7. The heating assembly of claim 1, wherein the interior of the resistive heating element is provided with the first electrically insulating substrate, the outer surface of the resistive heating element is provided with the infrared layer, and the outer surface of the first electrically insulating substrate is also provided with the infrared layer.
8. The heating assembly of claim 1, comprising a second electrically insulating base disposed at a bottom of the first electrically insulating base and an electrically conductive element disposed at a bottom of and electrically connected to the resistive heating element.
9. The heating assembly of claim 8, wherein the electrically conductive element and the resistive heating element are collectively disposed at a location between the first electrically insulative substrate and the second electrically insulative substrate.
10. The heating assembly of claim 8, wherein the cross-sectional area of the electrically conductive element is equal to or greater than the cross-sectional area of the resistive heating element.
11. The heating assembly of claim 8, wherein the resistive heating element and the electrically conductive element are made of the same material, and the electrically conductive element has a resistance less than the resistance of the resistive heating element.
12. The heating assembly of claim 11, wherein the resistive heating element and the electrically conductive element are each made of a ceramic, a metal, or an alloy.
13. The heating assembly of claim 12 wherein said resistive heating element and said electrically conductive element are each made of nichrome, platinum alloy, tungsten, nichrome or cermet compounds.
14. The heating assembly of claim 8, wherein the resistive heating element and the electrically conductive element are each made of a different material, and the electrically conductive element has a resistivity less than the resistivity of the resistive heating element.
15. The heating assembly of claim 14, wherein the resistive heating element is made of nichrome, platinum alloy, tungsten, nichrome or a cermet compound and the conductive element is made of gold, silver, copper, gold alloy, silver alloy, copper alloy or a superconductor material.
16. A heating assembly as claimed in claim 8, further comprising a mount connected to the second electrically insulating base and/or the electrically conductive element for securing the heating assembly within an aerosol generating device.
17. The heating assembly of claim 8, further comprising a plurality of electrodes each disposed at a bottom of the conductive element and adapted to be connected to an external power source.
18. The heating assembly of claim 1, wherein the resistive heating element, the first electrically insulating matrix, and the infrared layer are collectively arranged in cross-section in a circle, oval, square, rectangle, or polygon.
19. The heating assembly of claim 1, wherein the top of the heating assembly is provided with a tapered or pointed end.
20. An aerosol generating device comprising a housing in which is disposed a smoking media receptacle, a heating assembly according to any one of claims 1 to 19 and a power supply for supplying power to the heating assembly, the resistive heating element, the first electrically insulating base and the infrared layer of the heating assembly being collectively disposed within the smoking media receptacle.
CN202010464876.7A 2020-05-27 2020-05-27 Heating assembly and aerosol generating device with same Pending CN112369713A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202010464876.7A CN112369713A (en) 2020-05-27 2020-05-27 Heating assembly and aerosol generating device with same
JP2022543692A JP2023512935A (en) 2020-05-27 2021-05-10 Heating assembly and aerosol generator comprising the heating assembly
PCT/CN2021/092724 WO2021238632A1 (en) 2020-05-27 2021-05-10 Heating assembly and aerosol generating device having the heating assembly
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WO2021223716A1 (en) * 2020-05-06 2021-11-11 深圳市合元科技有限公司 Heater and aerosol generation device comprising same
WO2021238632A1 (en) * 2020-05-27 2021-12-02 湖北中烟工业有限责任公司 Heating assembly and aerosol generating device having the heating assembly
WO2023093535A1 (en) * 2021-11-26 2023-06-01 深圳麦克韦尔科技有限公司 Heating assembly and aerosol generation apparatus

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CN109380766A (en) * 2017-08-10 2019-02-26 常州市派腾电子技术服务有限公司 Atomising head, atomizer and electronic cigarette
CN108903063A (en) * 2018-08-28 2018-11-30 深圳伊卡普科技有限公司 Low temperature cigarette heating system
CN209376676U (en) * 2018-08-28 2019-09-13 深圳伊卡普科技有限公司 Low temperature cigarette air heating apparatus
CN109770433A (en) * 2019-01-25 2019-05-21 安徽中烟工业有限责任公司 A kind of periphery formula infrared radiation heating aerosol generation system
CN209527880U (en) * 2019-01-25 2019-10-25 安徽中烟工业有限责任公司 A kind of belly core infrared radiation heating aerosol generation system
CN110959918A (en) * 2019-12-09 2020-04-07 深圳麦时科技有限公司 Heating assembly and electronic atomization device
CN112369713A (en) * 2020-05-27 2021-02-19 湖北中烟工业有限责任公司 Heating assembly and aerosol generating device with same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021223716A1 (en) * 2020-05-06 2021-11-11 深圳市合元科技有限公司 Heater and aerosol generation device comprising same
WO2021238632A1 (en) * 2020-05-27 2021-12-02 湖北中烟工业有限责任公司 Heating assembly and aerosol generating device having the heating assembly
WO2023093535A1 (en) * 2021-11-26 2023-06-01 深圳麦克韦尔科技有限公司 Heating assembly and aerosol generation apparatus

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