A heating component and an aerosol generating device having the heating component

Abstract

The present invention discloses a heating component and an aerosol generating device having the heating component. The heating component of the present invention includes a resistive heating element for converting electrical energy into internal energy, and a first electrical insulating matrix is provided inside and / or outside the resistive heating element. An infrared layer for emitting infrared rays outward after being heated is provided on the surface of the first electrical insulating matrix and / or the resistive heating element. The aerosol generating device of the present invention includes a housing, a smoke generating medium accommodating portion, the heating component, and a power source for supplying power to the heating component are provided inside the housing. The resistive heating element, the first electrical insulating matrix, and the infrared layer of the heating component are jointly provided inside the smoke generating medium accommodating portion. The present invention can improve the heating efficiency, reduce the energy consumption, and thus can improve the battery life of the power source.

Description

Technical Field

[0001] The present invention belongs to the technical field of new cigarettes, and particularly relates to a heating component and an aerosol generating device having the heating component. Background Art

[0002] As an important development direction of new tobacco at present, for an electrically heated low-temperature cigarette, since the heater is an important component of the electrically heated low-temperature cigarette, the heating efficiency and the heating uniformity of the heater will have an important impact on the smoking taste and persistence of the product. However, in the prior art, the heater generally has problems such as low thermal efficiency, unstable heat generation, short service life, and poor stability. Summary of the Invention

[0003] The purpose of the present invention is to provide a heating component and an aerosol generating device having the heating component for the deficiencies of the prior art, which can improve the heating efficiency and reduce the energy consumption.

[0004] To solve the above technical problems, the present invention adopts the following technical solution: a heating component, comprising a resistive heating element for converting electrical energy into internal energy, a first electrical insulation matrix is provided inside and / or outside the resistive heating element, and an infrared layer for emitting infrared rays outward after being heated is provided on the surface of the first electrical insulation matrix and / or the resistive heating element.

[0005] In a specific embodiment, the infrared layer is made of at least one of carbides, silicides, nitrides, and oxides.

[0006] In a specific embodiment, the first electrical insulation matrix is made of at least one of carbides, silicides, nitrides, and oxides.

[0007] In a specific embodiment, a light-transmitting layer for heat conduction and infrared light transmission is provided on the surface of the infrared layer.

[0008] In a specific embodiment, the first electrical insulation matrix is provided both inside and outside the resistive heating element, and the infrared layer is provided on the outer surface of the first electrical insulation matrix located outside and / or inside the resistive heating element.

[0009] In a specific embodiment, the resistive heating element, the first electrical insulation matrix, and the infrared layer are jointly used for insertion into the smoke-generating medium.

[0010] In a specific embodiment, the first electrical insulation matrix is provided inside 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 electrical insulation matrix.

[0011] In a specific embodiment, the heating component includes a second electrically insulating substrate and a conductive element. The second electrically insulating substrate is disposed at the bottom of the first electrically insulating substrate, and the conductive element is disposed at the bottom of the resistive heating element and is electrically connected to the resistive heating element.

[0012] In a specific embodiment, the conductive element and the resistive heating element are jointly disposed at a position between the first electrically insulating substrate and the second electrically insulating substrate.

[0013] In a specific embodiment, the cross-sectional area of the conductive element is greater than or equal to the cross-sectional area of the resistive heating element.

[0014] In a specific embodiment, the resistive heating element and the conductive element are made of the same material, and the resistance of the conductive element is less than the resistance of the resistive heating element.

[0015] In a specific embodiment, both the resistive heating element and the conductive element are made of ceramic, metal or alloy.

[0016] In a specific embodiment, both the resistive heating element and the conductive element are made of nickel-chromium alloy, platinum, platinum alloy, tungsten, Inconel or cermet compound.

[0017] In a specific embodiment, the resistive heating element and the conductive element are made of different materials respectively, and the resistivity of the conductive element is less than the resistivity of the resistive heating element.

[0018] In a specific embodiment, the resistive heating element is made of nickel-chromium alloy, platinum, platinum alloy, tungsten, Inconel or cermet compound, and the conductive element is made of gold, silver, copper, gold alloy, silver alloy, copper alloy or superconducting material.

[0019] In a specific embodiment, the heating component further includes a base connected to the second electrically insulating substrate and / or the conductive element. The base is used to fix the heating component in the aerosol generating device.

[0020] In a specific embodiment, the heating component further includes a plurality of electrodes. The plurality of electrodes are all disposed at the bottom of the conductive element and are used to connect to an external power source.

[0021] In a specific embodiment, the cross-sections of the resistive heating element, the first electrically insulating substrate and the infrared layer are jointly arranged in a circular, oval, square, rectangular or polygonal shape.

[0022] In a specific embodiment, the top of the heating component is arranged as a conical end or a tip.

[0023] An aerosol generating device comprises a shell, in which a smoke-generating medium accommodating portion, a heating component and a power supply for supplying power to the heating component are arranged, and the resistance heating element, the first electrically insulating substrate and the infrared layer of the heating component are arranged together inside the smoke-generating medium accommodating portion.

[0024] In a specific embodiment, a control unit is provided in the housing, and the control unit is used to control the heating power of the heating component.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The heating component of the present invention is provided with a resistance heating element and an infrared layer, which can realize heat conduction heating and radiation heating of the heating component at the same time, thereby significantly improving the heating efficiency, reducing energy consumption, enhancing the endurance of the power supply, and being able to heat the smoke-generating medium more evenly, with a good heating effect.

[0027] 2. The first electrical insulating substrate of the heating component of the present invention is made of at least one of carbide, silicide, nitride and oxide, which can further improve the heating efficiency and heating effect of the heating component.

[0028] 3. The heating component of the present invention is provided with a light-transmitting layer, which can keep the surface of the heating component smooth and extend the service life of the product.

[0029] 4. The cross-sectional area of the conductive element of the present invention is greater than or equal to the cross-sectional area of the resistance heating element, so that heat can be generated by the resistance heating element, thus preventing energy loss and improving the overall flexural strength of the heating component.

[0030] 5. The heating component of the present invention also includes a base, which can quickly fix the heating component in the aerosol generating device.

[0031] 6. The top of the heating assembly of the present invention is configured as a tapered end or a pointed end, which can be easily inserted into the interior of the smoke-generating medium.

[0032] 7. The aerosol generating device of the present invention includes a heating component, which can significantly improve heating efficiency, reduce energy consumption, enhance the endurance of the power supply, and can heat the smoke-generating medium more evenly with a good heating effect.

[0033] 8. The aerosol generating device of the present invention is provided with a control unit, which can control the heating power of the heating component, so as to control the temperature of the heating component in real time, so that the temperature of the heating component is maintained at an appropriate temperature in real time to heat the smoke-generating medium, prevent the smoke-generating medium from being overheated or insufficiently heated, and make the smoke of the smoke-generating medium in a state suitable for inhalation, so as to provide a good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 The structural schematic diagram of a specific embodiment of a heating component of the present invention is shown;

[0035] Figure 2 Shown is Figure 1 The schematic cross-sectional view taken along the line A-A of

[0036] Figure 3 The structural schematic diagram of another specific embodiment of a heating component of the present invention is shown;

[0037] Figure 4 The structural schematic diagram of still another specific embodiment of a heating component of the present invention is shown;

[0038] Figure 5 Shown is Figure 4 The schematic cross-sectional view taken along the line B-B of

[0039] Figure 6 The structural schematic diagram of yet another specific embodiment of a heating component of the present invention is shown;

[0040] Figure 7 The structural schematic diagram of a specific embodiment of an aerosol generating device of the present invention having such a heating component is shown;

[0041] Figure 8 The schematic diagram of the comparative relationship between the smoke release concentration and temperature of a specific embodiment of an aerosol generating device of the present invention having such a heating component is shown.

[0042] Among them, 100 - heating component; 1 - resistance heating element; 2 - first electrical insulation matrix; 3 - infrared layer; 4 - second electrical insulation matrix; 5 - conductive element; 6 - electrode; 7 - base; 8 - smoke generating medium; 9 - housing; 10 - smoke generating medium accommodating portion; 11 - power supply; 12 - control portion. Detailed embodiments

[0043] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0044] As Figures 1 to 6 shown, the heating component 100 of the present invention includes a resistance heating element 1 for converting electrical energy into internal energy. A first electrical insulation matrix 2 is provided inside and / or outside the resistance heating element 1, and an infrared layer 3 for emitting infrared rays outward after being heated is provided on the surface of the first electrical insulation matrix 2 and / or the resistance heating element 1 (such as Figure 2 , Figure 5As shown). When in use, when an electric current passes through the resistance heating element 1, the resistance heating element 1 generates heat, and the generated heat is conducted to the first electrically insulating substrate 2, so that the infrared layer 3 is heated to generate infrared waves, enabling the conduction heating and radiation heating of the heating assembly 100, with high heating efficiency and good heating effect.

[0045] In a specific embodiment, the infrared layer 3 is made of at least one of carbides, silicides, nitrides, and oxides.

[0046] In a specific embodiment, the first electrically insulating substrate 2 is made of at least one of carbides, silicides, nitrides, and oxides, which can further improve the heating efficiency and heating effect of the heating assembly 100.

[0047] In a specific embodiment, the infrared layer 3 and / or the first electrically insulating substrate 2 can generate infrared waves in the range of 1 to 25 micrometers.

[0048] In a specific embodiment, a light-transmitting layer for heat conduction and infrared light transmission is provided on the surface of the infrared layer 3, which can keep the surface of the heating assembly 100 smooth and extend the service life of the product.

[0049] In a specific embodiment, as Figure 1 、 Figure 2 shown, the first electrically insulating substrate 2 is provided both inside and outside the resistance heating element 1, and the infrared layer 3 is provided on the outer surface of the first electrically insulating substrate 2 located outside the resistance heating element 1, with high heating efficiency and good heating effect. And the first electrically insulating substrate 2 located inside the resistance heating element 1, the resistance heating element 1, and the first electrically insulating substrate 2 located outside the resistance heating element 1 are arranged side by side, with beautiful structure and convenient use.

[0050] In a specific embodiment, the resistance heating element 1 and the first electrically insulating substrate 2 are integrally provided.

[0051] In a specific embodiment, the resistance heating element 1 and the first electrically insulating substrate 2 are separately provided.

[0052] In a specific embodiment, as Figure 4 、 Figure 5 shown, the first electrically insulating substrate 2 is provided inside the resistance heating element 1. The infrared layer 3 is provided on the outer surface of the resistance heating element 1, and the infrared layer 3 is also provided on the outer surface of the first electrically insulating substrate 2, with high heating efficiency and good heating effect. And the resistance heating element 1 and the first electrically insulating substrate 2 are arranged side by side, with beautiful structure and convenient use.

[0053] In a specific embodiment, as Figures 1 to 6As shown, the heating assembly 100 includes a second electrical insulating substrate 4 and a conductive element 5. Among them, the second electrical insulating substrate 4 is disposed at the bottom of the first electrical insulating substrate 2, and the conductive element 5 is disposed at the bottom of the resistive heating element 1 and is electrically connected to the resistive heating element 1.

[0054] In a specific embodiment, as Figure 1 , Figure 3 shown, the conductive element 5 and the resistive heating element 1 are jointly disposed at a position between the first electrical insulating substrate 2 and the second electrical insulating substrate 4.

[0055] In a specific embodiment, as Figure 4 shown, the cross-sectional area of the conductive element 5 is equal to the cross-sectional area of the resistive heating element 1.

[0056] In a specific embodiment, the resistive heating element 1 and the conductive element 5 are made of the same material, and the resistance of the conductive element 5 is less than the resistance of the resistive heating element 1.

[0057] In a specific embodiment, both the resistive heating element 1 and the conductive element 5 are made of ceramic, metal or alloy.

[0058] In a specific embodiment, both the resistive heating element 1 and the conductive element 5 are made of nickel-chromium alloy, platinum, platinum alloy, tungsten, Inconel or cermet compound.

[0059] 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 less than the resistivity of the resistive heating element 1.

[0060] In a specific embodiment, the resistive heating element 1 is made of at least one of nickel-chromium alloy, platinum, platinum alloy, tungsten, Inconel and cermet compound. The conductive element 5 is made of at least one of gold, silver, copper, gold alloy, silver alloy, copper alloy and superconducting material.

[0061] In a specific embodiment, as Figure 1 , Figure 3 , Figure 6As shown, the cross-sectional area of the conductive element 5 is greater than or equal to the cross-sectional area of the resistive heating element 1. When the resistive 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 that of the resistive heating element 1, which can reduce the resistance value of the conductive element 5, so that the heat is mainly generated by the resistive heating element 1. At the same time, the flexural strength of the conductive element 5 is higher than that of the second electrical insulating matrix 4, and the overall flexural strength of the heating assembly can be improved. When the resistive heating element 1 and the conductive element 5 are made of different materials respectively, the cross-sectional area of the conductive element 5 is greater than or equal to the cross-sectional area of the resistive heating element 1. Combining with the resistivity of the conductive element 5 being less than that of the resistive heating element 1, the resistance value of the conductive element 5 can be reduced, so that the heat is mainly generated by the resistive heating element 1.

[0062] In a specific embodiment, the second electrical insulating matrix 4 and the conductive element 5 are integrally provided.

[0063] In a specific embodiment, the second electrical insulating matrix 4 and the conductive element 5 are separately provided.

[0064] In a specific embodiment, as Figure 1 、 Figure 3 、 Figure 4 shown, the heating assembly 100 further includes a plurality of electrodes 6. The plurality of electrodes 6 are all arranged at the bottom of the conductive element 5 and are used to connect to an external power supply.

[0065] In a specific embodiment, as Figure 3 、 Figure 4 shown, the heating assembly 100 further includes a base 7 connected to the second electrical insulating matrix 4 and / or the conductive element 5. The base 7 is used to fix the heating assembly 100 in the aerosol generating device.

[0066] In a specific embodiment, the resistive heating element 1, the first electrical insulating matrix 2 and the infrared layer 3 are jointly used to be inserted into the smoking medium 8 (as Figure 7 shown), which can heat the smoking medium 8, and has high heating efficiency and good heating effect.

[0067] In a specific embodiment, the cross-sections of the resistive heating element 1, the first electrical insulating matrix 2 and the infrared layer 3 are jointly arranged in a circular, elliptical, square, rectangular or polygonal shape.

[0068] In a specific embodiment, as Figure 1 、 Figure 3 、 Figure 4 shown, the top of the heating assembly 100 is arranged as a conical end or a tip, which can facilitate the insertion into the interior of the smoking medium 8.

[0069] As Figure 7As shown, the aerosol generating device of the present invention includes a shell 9, in which a smoke-generating medium accommodating portion 10, a heating component 100 and a power supply 11 for supplying power to the heating component 100 are arranged. A resistance heating element 1, a first electrically insulating substrate 2 and an infrared layer 3 are arranged together inside the smoke-generating medium accommodating portion 10, and can be used to heat the smoke-generating medium 8, with high heating efficiency and good heating effect.

[0070] In a specific embodiment, a control unit 12 is provided in the housing 9, and the control unit 12 is used to control the heating power of the heating component 100. Specifically, the control unit 12 can control the power supply 11 to supply power to the heating component 100, and control the power output of the power supply 11 to the heating component 100, so as to control the temperature of the heating component 100 in real time, so that the temperature of the heating component 100 is kept at a suitable temperature (such as 150 to 350 degrees Celsius) in real time to heat the smoke-generating medium 8, prevent the smoke-generating medium 8 from being overheated or insufficiently heated, and make the smoke of the smoke-generating medium 8 in a state suitable for inhalation.

[0071] like Figure 8 As shown, the thermal efficiency of the aerosol generating device of the present invention is compared with that of the non-infrared heating component 100. Under the same atomization amount C1 (smoke release concentration, unit is mg / puff), the temperature required by the heating component 100 of the present invention is (unit is Celsius) T2, while the temperature required by the non-infrared heating component 100 is T1 (unit is Celsius). T2 is less than T1, indicating that the heating component 100 of the present invention can produce better atomization effect at a lower temperature.

[0072] The protection scope of the present invention is not limited to the above-mentioned embodiments. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the scope and spirit of the present invention. If these changes and modifications fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these changes and modifications.

Claims

1. An aerosol generating device, characterized in that, It includes a housing, in which a smoke-generating medium accommodating part, a heating assembly, and a power source for supplying power to the heating assembly are provided. The heating assembly includes a resistive heating element for converting electrical energy into internal energy, a first electrically insulating substrate, and an infrared layer for emitting infrared rays outward after being heated. A light-transmitting layer for heat conduction and infrared light transmission is provided on the surface of the infrared layer. The resistive heating element, the first electrically insulating substrate, and the infrared layer are jointly used for insertion into the smoke-generating medium. The resistive heating element, the first electrically insulating substrate, and the infrared layer of the heating assembly are jointly arranged inside the smoke-generating medium accommodating part. The first electrically insulating substrate is provided both inside and outside the resistive heating element, and the infrared layer is provided on the outer surface of the first electrically insulating substrate located inside the resistive heating element; or, the first electrically insulating substrate is provided both inside and outside the resistive heating element, and the infrared layer is provided on the outer surfaces of the first electrically insulating substrates located outside and inside the resistive heating element; or, the first electrically insulating substrate is provided inside 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.

2. The aerosol generating device according to claim 1, wherein The infrared layer is made of at least one of carbides, silicides, nitrides, and oxides.

3. The aerosol generating device according to claim 1, wherein, The first electrically insulating substrate is made of at least one of carbides, silicides, nitrides, and oxides.

4. The aerosol generating device according to claim 1, characterized in that, The heating assembly includes a second electrically insulating substrate and a conductive element. The second electrically insulating substrate is provided at the bottom of the first electrically insulating substrate, and the conductive element is provided at the bottom of the resistive heating element and is electrically connected to the resistive heating element.

5. The aerosol generating device according to claim 4, characterized in that, The conductive element and the resistive heating element are jointly arranged at a position between the first electrically insulating substrate and the second electrically insulating substrate.

6. The aerosol generating device according to claim 4, wherein, The cross-sectional area of the conductive element is greater than or equal to the cross-sectional area of the resistive heating element.

7. The aerosol generating device according to claim 4, wherein The resistive heating element and the conductive element are made of the same material, and the resistance of the conductive element is less than the resistance of the resistive heating element.

8. The aerosol generating device according to claim 7, wherein Both the resistive heating element and the conductive element are made of ceramics, metals, or alloys.

9. The aerosol generating device according to claim 8, wherein, Both the resistive heating element and the conductive element are made of nickel-chromium alloy, platinum, platinum alloy, tungsten, or Inconel.

10. The aerosol generating device according to claim 4, wherein, The resistive heating element and the conductive element are made of different materials respectively, and the resistivity of the conductive element is less than the resistivity of the resistive heating element.

11. The aerosol generating device according to claim 10, characterized in that, The resistive heating element is made of nickel-chromium alloy, platinum, platinum alloy, tungsten, Inconel, or cermet compound, and the conductive element is made of gold, silver, copper, gold alloy, silver alloy, copper alloy, or superconducting material.

12. The aerosol generating device according to claim 4, wherein, The heating assembly further includes a base connected to the second electrically insulating substrate and / or the conductive element, and the base is used for fixing the heating assembly in the aerosol generating device.

13. The aerosol generating device according to claim 4, wherein, The heating assembly further includes a plurality of electrodes, and the plurality of electrodes are all provided at the bottom of the conductive element and are used for connecting to an external power source.

14. The aerosol generating device according to claim 1, wherein, The cross-sections of the resistance heating element, the first electrically insulating substrate, and the infrared layer are jointly arranged to be circular, oval, square, or rectangular.

15. The aerosol generating device according to claim 1, wherein, The top of the heating assembly is arranged to be a tapered end.

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