Infrared heating device and system for generating aerosols

Abstract

An infrared heating device and system for generating an aerosol, comprising an apparatus housing (1), an infrared heating assembly (2) disposed within a receiving cavity of the apparatus housing (1), the infrared heating assembly (2) comprising an infrared heating barrel (3) having an open top and a closed bottom, the inner cavity of the infrared heating barrel (3) being formed as a heating cavity (4) for inserting an aerosol generating assembly (13), the infrared heating barrel (3) having a two-layered barrel structure, the inner barrel wall and the outer barrel wall being made of a material having a thickness of about 100 μm. The space between the two layers of the cylinder wall is formed as a vacuum intermediate layer (5), an infrared heating coating (6) is applied to the outer surface of the inner cylinder wall of the infrared heating cylinder (3), both ends of the infrared heating coating (6) are connected to conductive electrodes (7), the two conductive electrodes (7) extend from the outer cylinder wall of the infrared heating cylinder (3) and are connected to the positive and negative poles of a power source (8), and the current-carrying infrared heating coating (6) generates infrared rays to heat the aerosol generating assembly (13) in the heating cavity (4) in the circumferential direction. This improves the insulation performance, simplifies the cleaning work, and increases the infrared heating efficiency.

Description

[Technical field]

[0001] The present invention relates to infrared heated smoking devices, and more particularly to infrared heated devices and systems for generating aerosols. [Background technology]

[0002] In the electrically heated non-combustible device, a pin-type or sheet-type resistance heating element is always inserted into the aerosol generating assembly for heating, which causes problems of leakage of the smoke-releasing material and insufficient heating after smoking is finished. Problems In order to optimize the heating uniformity and permeability and improve the heating uniformity and permeability, patent CN2021109014160 put forward a highly efficient infrared circumferential heating element and its manufacturing method. The infrared heating can realize the circumferential heating of the aerosol generating assembly and can utilize the permeability of infrared light to achieve better energy transfer. However, this infrared heating device adopts a tubular structure that penetrates both ends, and the droplets formed after the smoke condenses tend to flow down through the tube wall and accumulate at the bottom of the receiving cavity of the device housing, which is inconvenient to clean, and the surface temperature of the device housing is too high, which makes the smoker feel very uncomfortable. Summary of the Invention [Problem to be solved by the invention]

[0003] In order to overcome the deficiencies of the prior art, the present invention aims to provide an infrared heating device and system for generating aerosols, improve the insulation performance of the heating device, simplify the cleaning operation, and increase the infrared heating efficiency. [Means for solving the problem]

[0004] The present invention is implemented by the following technical solutions.

[0005] The infrared heating device for generating an aerosol includes a device housing, the device housing Insidean infrared heating assembly is disposed in the receiving cavity, the infrared heating assembly comprising an infrared heating barrel having an open top and a closed bottom, the inner cavity of the infrared heating barrel being formed as a heating cavity for inserting an aerosol generating assembly, the infrared heating barrel having a two-layered cylindrical structure formed by two cylindrical walls, an inner cylindrical wall and an outer cylindrical wall, the space between the two cylindrical walls, the inner cylindrical wall and the outer cylindrical wall, being formed as a vacuum intermediate layer, an infrared heating coating being applied to the outer surface of the inner cylindrical wall of the infrared heating barrel, both ends of the infrared heating coating being connected to conductive electrodes, the two conductive electrodes extending from the outer cylindrical wall of the infrared heating barrel being connected to the positive and negative poles of a power source, respectively, the infrared heating coating being energized to generate infrared rays to heat the aerosol generating assembly in the heating cavity in the circumferential direction.

[0006] In a preferred embodiment of the above device, a plurality of recessed rectangular grooves are provided along the circumferential direction on the inner wall of the heating cavity of the infrared heating barrel, the extension direction of each rectangular groove is parallel to the axial direction of the infrared heating barrel, and the internal space of the rectangular groove is formed as a first gas flow passage for allowing the aerosol to flow out.

[0007] In a preferred embodiment of the above device, a plurality of rectangular protruding ribs are provided circumferentially on the inner wall of the heating cavity of the infrared heating barrel, the extension direction of each rectangular protruding rib is parallel to the axial direction of the infrared heating barrel, and the gaps between adjacent rectangular protruding ribs are formed as a second gas flow passage for allowing the aerosol to flow out.

[0008] In a preferred embodiment of the above device, a plurality of support bosses protruding upward are provided on the bottom wall surface of the heating cavity of the infrared heating barrel, the upper surfaces of the plurality of support bosses are used to support the aerosol generating assembly, and each support boss is positioned offset from the first gas flow passage or the second gas flow passage.

[0009] In a preferred embodiment of the above device, the infrared heating cylinder is a glass cylinder.

[0010] In a preferred form of the device, the power supply is located in the device housing.

[0011] The present invention further provides a system for generating an aerosol comprising a heating device and an aerosol generating assembly, the heating device being an infrared heating device as described above, and the aerosol generating assembly being disposed in a heating cavity of the infrared heating device. Effect of the Invention

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] In the infrared heating device and system for generating aerosol provided by the present invention, the infrared heating assembly adopts a two-layer cylinder structure, and the vacuum intermediate layer between the two cylinder walls, the inner cylinder wall and the outer cylinder wall, can effectively insulate and prevent heat from escaping to the outside, not only improving the infrared heating efficiency but also preventing the device housing from becoming excessively hot, improving the smoking experience. Furthermore, since the infrared heating cylinder of the infrared heating assembly is closed at the bottom, the droplets formed by condensation of smoke are directly concentrated inside the infrared heating cylinder and do not accumulate in the receiving cavity of the device housing, making it easy to clean. [Brief description of the drawings]

[0014] [Figure 1] 1 is a cross-sectional view of a system according to the present invention; [Diagram 2] FIG. 1 is a cross-sectional view of an infrared heating device according to the present invention in combination with an aerosol generating assembly. [Diagram 3] FIG. 2 is a top view of a first installation form of a gas flow passage according to the present invention; [Figure 4] FIG. 4 is a top view of a second type of installation form of the gas flow passage according to the present invention. [Diagram 5] FIG. 2 is a perspective view of an infrared heating cylinder according to the present invention. [Figure 6] FIG. 2 is a top view of the infrared heating cylinder according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] The following provides a detailed description of the examples of the present invention. The examples are implemented on the basis of the technical solutions of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of protection of the present invention is not limited to the following examples.

[0016] 1 to 6, the present embodiment discloses an infrared heating device for generating aerosols, which includes a device housing 1, a receiving cavity installed in the device housing 1, an infrared heating assembly 2 disposed in the receiving cavity, and an infrared heating assembly 2 including an infrared heating cylinder 3 with an open upper portion and a closed lower portion, the infrared heating cylinder 3 being a glass cylinder. The inner cavity of the infrared heating cylinder 3 is formed as a heating cavity 4 for inserting an aerosol generating assembly 13, the infrared heating cylinder 3 being a two-layered cylinder structure formed by two cylinder walls, an inner cylinder wall and an outer cylinder wall, and the space between the two cylinder walls, the inner cylinder wall and the outer cylinder wall, is formed as a vacuum intermediate layer 5, which plays a role in heat insulation and heat retention. An infrared heating coating 6 is applied to the outer surface of the inner cylindrical wall of the infrared heating cylinder 3, and both ends of the infrared heating coating 6 are connected to conductive electrodes 7, and the two conductive electrodes 7 extend from sealing openings in the outer cylindrical wall of the infrared heating cylinder 3 and are connected to the positive and negative electrodes of a power source 8, respectively, which is disposed in the device housing 1. When electrified, the infrared heating coating 6 generates infrared rays to heat the aerosol generating assembly 13 in the heating cavity 4 in the circumferential direction.

[0017] In order to facilitate the flow of the aerosol, several gas flow passages are provided along the circumferential direction on the inner wall of the heating cavity 4 of the infrared heating cylinder 3, and the installation method of the gas flow passages can adopt one of the following two types of installation methods.

[0018] The first type of installation method is as follows: A plurality of rectangular grooves 9 are provided along the circumferential direction on the inner wall of the heating cavity 4 of the infrared heating cylinder 3. In this embodiment, four rectangular grooves 9 are uniformly distributed along the circumferential direction, and the cross-sectional shape of the rectangular grooves 9 is an arc. The extension direction of each rectangular groove 9 is parallel to the axial direction of the infrared heating cylinder 3, and the internal space of the rectangular groove 9 is formed as a first gas flow passage for discharging the aerosol.

[0019] The second type of installation method is as follows: A plurality of rectangular protruding ribs 10 are provided along the circumferential direction protruding from the inner wall of the heating cavity 4 of the infrared heating cylinder 3. In this embodiment, four rectangular protruding ribs 10 are uniformly distributed along the circumferential direction, and the cross-sectional shape of the rectangular protruding ribs 10 is an arc. The extension direction of each rectangular protruding rib 10 is parallel to the axial direction of the infrared heating cylinder 3, and the gap between adjacent rectangular protruding ribs 10 is formed as a second gas flow passage 11 for allowing the aerosol to flow out.

[0020] The above two types of installation methods have different cross-sectional areas of the entire gas flow passages, and therefore have different air convection effects. Specifically, one of them can be selected and used according to needs.

[0021] A plurality of support bosses 12 protruding upward are provided on the bottom wall surface of the heating cavity 4 of the infrared heating barrel 3, and the upper surfaces of the plurality of support bosses 12 are used to support the aerosol generating assembly 13, and each support boss 12 is disposed offset from the first gas flow passage or the second gas flow passage 11. The plurality of support bosses 12 are provided to lift the bottom of the aerosol generating assembly 13, thereby forming a gap between the bottom surface of the aerosol generating assembly 13 and the bottom wall surface of the heating cavity 4, facilitating the exchange of airflow.

[0022] This embodiment further provides a system for generating aerosol, comprising a heating device and an aerosol generating assembly 13, in which the heating device adopts the above-mentioned infrared heating device, the aerosol generating assembly 13 is disposed in the heating cavity 4 of the infrared heating device, and the electrically energized infrared heating coating 6 generates infrared rays to heat the aerosol generating assembly 13 in the heating cavity 4 in a circumferential direction.

[0023] The aerosol generating assembly 13 is a device for generating a substance that can be atomized into an aerosol composition. Includes When the aerosol generating assembly 13 is heated by the infrared heating rays, an inhalable aerosol mixture is released.

[0024] In this embodiment, the infrared heating device is optimized, the heat insulating performance of the infrared heating device is improved, the infrared heating efficiency is increased, and the cleaning operation is simplified.

[0025] The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. [Explanation of symbols]

[0026] 1 Device housing 2 Infrared Heating Assembly 3 Infrared heater 4 Heating Cavity 5 Vacuum intermediate layer 6. Infrared heating coating 7 Conductive electrode 8 Power supply 9 Strip-shaped groove 10. Strip-shaped protruding rib 11 Second gas flow passage 12 Support Boss 13 Aerosol generation assembly.

Claims

1. an infrared heating device for generating an aerosol, comprising an apparatus housing, an accommodating cavity installed in the apparatus housing, and an infrared heating assembly disposed in the accommodating cavity, the infrared heating assembly comprising an infrared heating barrel having an open upper portion and a closed lower portion, an internal cavity of the infrared heating barrel formed as a heating cavity for inserting an aerosol generating assembly, the infrared heating barrel having a two-layered cylindrical structure formed by two cylindrical walls, an inner cylindrical wall and an outer cylindrical wall, a space between the two cylindrical walls, the inner cylindrical wall and the outer cylindrical wall, formed as a vacuum intermediate layer, an infrared heating coating applied to an outer surface of the inner cylindrical wall of the infrared heating barrel, both ends of the infrared heating coating being connected to conductive electrodes, the two conductive electrodes extending from the outer cylindrical wall of the infrared heating barrel and connected to positive and negative poles of a power source, respectively, the infrared heating device for generating an aerosol,

2. 2. The infrared heating device for generating aerosols as described in claim 1, characterized in that a plurality of recessed rectangular grooves are provided along the circumferential direction on the inner wall of the heating cavity of the infrared heating cylinder, the extension direction of each rectangular groove is parallel to the axial direction of the infrared heating cylinder, and the internal space of the rectangular groove is formed as a first gas flow passage for discharging the aerosol.

3. 2. The infrared heating device for generating an aerosol as described in claim 1, characterized in that a plurality of strip-shaped protruding ribs protruding from the inner wall of the heating cavity of the infrared heating cylinder are provided along the circumferential direction, the extension direction of each strip-shaped protruding rib is parallel to the axial direction of the infrared heating cylinder, and the gap between adjacent strip-shaped protruding ribs is formed as a second gas flow passage for allowing the aerosol to flow out.

4. An infrared heating device for generating aerosols as described in any one of claims 1 to 3, characterized in that a plurality of support bosses protruding upward are provided on the bottom wall surface of the heating cavity of the infrared heating barrel, the upper surfaces of the plurality of support bosses are used to support an aerosol generating assembly, and each support boss is positioned offset from the first gas flow passage or the second gas flow passage.

5. 2. The infrared heating device for generating aerosols according to claim 1, wherein the infrared heating cylinder is a glass cylinder.

6. 2. The infrared heating device for generating an aerosol according to claim 1, characterized in that the power source is disposed in the device housing.

7. A system for generating an aerosol comprising a heating device and an aerosol generating assembly, characterized in that the heating device is an infrared heating device described in any one of claims 1 to 6, and the aerosol generating assembly is disposed in a heating cavity of the infrared heating device.

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