CN219422208U - Breathable heating component and heating non-combustion device - Google Patents

Abstract

The utility model relates to the field of heating non-combustion equipment and provides a ventilation heating component and a heating non-combustion device, wherein the ventilation heating component comprises a support pipe fitting, a heating structure and a ventilation limiting part, wherein the heating structure is arranged in the support pipe fitting for heating; the ventilation channel part of the support pipe fitting is suitable for being inserted into a herbal product, and the other end of the herbal product is suitable for being sucked by a user; the ventilation heating component can heat through heat convection and heat conduction on the surface of the supporting pipe fitting, so that the herbal product is heated more uniformly, the taste of a user is improved, and the heating efficiency is high and the energy consumption is low.

Description

Breathable heating component and heating non-combustion device

Technical Field

The utility model relates to the field of heating non-combustion equipment, in particular to a ventilation heating component and a heating non-combustion device.

Background

The heating non-combustion device is used for heating the herbal product by using the heating structure to generate heat, so that the fragrant substances of the herbal product are released for the user to suck, wherein the herbal product can be heated non-combustion tobacco, or other types of aerosol-generating products such as tobacco leaves, tobacco shreds and the like.

Most of heating structures in the market are heating needles or heating sheets and the like, and the heating structures are inserted into the middle of columnar herbal products to heat the herbal products layer by layer from the middle to the periphery, so that the fragrance substances of the herbal products are gradually released, but in order to enable the herbal products at the edges to reach the temperature capable of releasing the fragrance substances, the heating structures gradually increase the surface temperature, so that the herbal products near the heating structures are excessively baked, bad substances such as burnt smell are released, and the taste of users is influenced.

Disclosure of Invention

The problem addressed by the present utility model is how to heat herbal products more evenly.

The utility model provides a ventilation heating component, which comprises a support pipe fitting, a heating structure and a ventilation limiting part, wherein the heating structure is arranged in the support pipe fitting for heating, one end of the support pipe fitting is provided with an opening, the periphery of the ventilation limiting part is abutted in the opening end of the support pipe fitting for fixing the heating structure and simultaneously carrying out air inlet, and a plurality of air holes are formed in the pipe wall of the support pipe fitting at intervals in a penetrating way so as to form a plurality of ventilation channels; the ventilation channel portion of the support tube is adapted to be inserted within a herbal product, the other end of which is adapted to be sucked by a user.

Optionally, the pipe body part of the supporting pipe fitting is in a columnar structure, and one end of the supporting pipe fitting, which is away from the opening end of the supporting pipe fitting, is in a protruding conical structure.

Optionally, the wall of the supporting pipe is a single-layer wall, each air hole is arranged on the peripheral outer wall of the supporting pipe in a penetrating way at intervals to form a plurality of ventilation channels, and the ventilation of each ventilation channel is adjusted by arranging the aperture and the interval of each air hole.

Optionally, the pipe wall of the supporting pipe fitting is an inner pipe wall and an outer pipe wall double-layer interlayer, the head part of the inner pipe wall of the conical structure is provided with air holes in a penetrating manner so as to communicate air in the supporting pipe fitting and the interlayer, and the lower part of the peripheral outer pipe wall of the columnar structure, which is close to the opening end, is provided with a plurality of air holes in a penetrating manner so as to communicate air in the herbal product and the interlayer.

Optionally, the heating structure includes a plurality of heating pipe fittings, each heating pipe fitting is arranged along the axial direction of the supporting pipe fitting at intervals, each heating pipe fitting is electrically connected in series or in parallel, and the anode and the cathode of the heating structure are suitable for being electrically connected with the control unit through a wire, so that each heating pipe fitting heats the air in the supporting pipe fitting.

Optionally, each heating pipe is of a hollow columnar structure, so as to form a heating ventilation channel inside each heating pipe, and each heating pipe is arranged at intervals, so that a heating ventilation channel is formed between each heating pipe, and air in the supporting pipe is rapidly heated.

Optionally, the heating pipe is at least one long heating pipe and a plurality of short heating pipes, the long heating pipe is arranged in the middle position inside the supporting pipe, so that one end of the long heating pipe is close to the air hole at the head of the conical structure, and the short heating pipes are arranged around the long heating pipe at intervals in a surrounding mode.

Optionally, the heating structure is a heating wire structure or a honeycomb heating body, wherein the honeycomb heating body is made of conductive ceramics or carbon materials (such as graphite), and the heating wire structure is a fancy heating wire or a spiral coil-shaped heating wire made of the heating wire.

Compared with the prior art, the support pipe fitting has the beneficial effects that the support pipe fitting is the accommodating cavity with one end open, the heating structure is accommodated in the support pipe fitting, the air in the support pipe fitting is heated through the heating structure to form hot air, the periphery of the ventilation limiting part is abutted in the open end of the support pipe fitting, the ventilation limiting part can fix the heating structure, meanwhile, the outside air can enter the support pipe fitting through the ventilation limiting part, a plurality of air holes are formed in the pipe wall of the support pipe fitting in a penetrating mode at intervals, so that a plurality of ventilation channels are formed, the ventilation channels are communicated with the inside and the outside space of the support pipe fitting, and therefore the hot air in the support pipe fitting can be discharged. The ventilation channel part of the supporting pipe fitting is suitable for being inserted in the herbal product, the other end of the herbal product is suitable for user suction, the pressure intensity in the herbal product is reduced when the user sucks, at the moment, hot air in the supporting pipe fitting is discharged into the herbal product through each ventilation channel and moves in the herbal product, so that the herbal product is heated and roasted to form fragrant substances for the user to suck, and the heating of the herbal product is more balanced through the mode of combined heating of hot air convection and the surface conduction of the supporting pipe fitting, so that the taste of the user is improved, the heating efficiency is high, the energy consumption is low, meanwhile, the ventilation heating component is simple in structure and low in process cost.

The utility model also provides a heating non-combustion device, which comprises the ventilation heating component, a heating element fixing piece, a tubular shell, a battery unit and a control unit, wherein one end of the tubular shell and the heating element fixing piece are sequentially sleeved on the opening end of the ventilation heating component, so that the ventilation heating component is fixed, the ventilation heating component is accommodated in the tubular shell, the ventilation heating component is electrically connected with the control unit through a wire, and the control unit is electrically connected with the battery unit so as to supply power.

Optionally, an elastic gas seal is also included, the elastic gas seal being disposed between the tubular housing and the herbal product to restrict gas flow between the herbal product and the tubular housing.

Therefore, since the heating non-combustion device includes the ventilation heating component, the heating non-combustion device has at least the beneficial effects of the ventilation heating component, and will not be described herein.

Drawings

FIG. 1 is a schematic cross-sectional view of a breathable heat-generating component according to an embodiment of the utility model;

FIG. 2 is a schematic cross-sectional view of a support tube according to an embodiment of the present utility model;

FIG. 3 is a second schematic cross-sectional view of a support tube according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a heat generating structure according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a second cross-section of a heat generating structure according to an embodiment of the utility model;

FIG. 6 is a schematic cross-sectional view of a heated non-combustible device in accordance with an embodiment of the utility model;

FIG. 7 is a schematic diagram of a heating nonflammable device in an embodiment of the present utility model.

The reference numerals shown in the drawings: 1-supporting a pipe fitting; 2-a heating structure; 3-ventilation limiting pieces; 4-herbal preparation; 5-conducting wires; 6-a tubular housing; 7-a heating element fixing member; 8-an elastic airtight member; 11-air holes; 21-a long heating tube; 22-short heating tubes.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

It is noted that the terms "first," "second," and the like in the description and claims of the utility model and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

The present utility model will be described in detail with reference to the accompanying drawings.

In order to solve the above technical problems, as shown in fig. 1, an embodiment of the present utility model provides a ventilation heating assembly, which includes a support pipe 1, a heating structure 2 disposed in the support pipe 1 for heating, and a ventilation limiting member 3, wherein one end of the support pipe 1 is provided with an opening, the periphery of the ventilation limiting member 3 abuts against the inside of the opening end of the support pipe 1 to maintain the heating structure 2 and perform air intake, and a plurality of air holes 11 are formed on the pipe wall of the support pipe 1 at intervals in a penetrating manner to form a plurality of ventilation channels; the ventilation channel portion of the support tube 1 is adapted to be inserted in a herbal product 4, the other end of the herbal product 4 being adapted to be sucked by a user.

It should be noted that, support pipe fitting 1 is one end open-ended holding chamber, the structure 2 that generates heat is in support pipe fitting 1 is interior, heats through the heating of the structure 2 that generates heat the air in the support pipe fitting 1 forms the hot air, the periphery butt of ventilative locating part 3 is in the open end of support pipe fitting 1, ventilative locating part 3 can be right the structure 2 that generates heat is fixed, can make the outside air get into in the support pipe fitting 1 through ventilative locating part 3 simultaneously, the interval runs through on the pipe wall of support pipe fitting 1 is provided with a plurality of gas pockets 11, in order to form a plurality of ventilative passageways, a plurality of ventilative passageway intercommunication support pipe fitting 1 inside and outside space, consequently, can be with the inside hot air of support pipe fitting 1 discharge. The ventilation channel portion of the support tube 1 is adapted to be inserted into a herbal product 4, and the other end of the herbal product 4 is adapted to be sucked by a user, and in practice, the herbal product 4 may be heated non-combustible tobacco, or may be other types of aerosol-generating products, such as tobacco leaves, tobacco shreds, etc., which may be determined according to the actual use requirements of the user, and this embodiment is not particularly limited. The term "heating non-combustible tobacco" is mainly used to refer to an aerosol-generating product made of materials such as cut tobacco, tobacco particles, plant fragments, tobacco essence, propylene glycol, etc., and the external shape of the product may be in a column shape, such as a cylinder shape, so that the heating non-combustible tobacco is also called heating, and under the condition of low temperature heating, volatile substances such as nicotine and other aromatic substances in the product can volatilize without generating solid particles, and only atomized steam is generated. It should be understood that the low temperature herein refers to a temperature at which the herbal product 4 can generate aerosol without burning, the temperature is generally 200-400 ℃, the pressure in the herbal product 4 becomes small when the user sucks, at this time, the hot air in the supporting tube 1 is discharged into the herbal product 4 through each ventilation channel, so that the herbal product is heated to be fragrant substances for the user to suck, and the hot air moves in the herbal product 4 in a mode of heat conduction combined heating of the hot air convection and the surface of the supporting tube 1, so that the heating of the herbal product 4 is more balanced, the user taste is improved, the heating efficiency is high, the energy consumption is low, and meanwhile, the ventilation heating component has a simple structure and low process cost.

In one embodiment of the present utility model, as shown in fig. 1, the pipe body of the support pipe 1 has a cylindrical structure, and the end of the support pipe 1 facing away from the open end thereof has a protruding conical structure.

It should be noted that, the body part of the support pipe fitting 1 is a columnar structure, the columnar structure comprises a cylinder and a prism, one side of the support pipe fitting 1 deviating from the opening end is a convex cone-shaped structure, the cone-shaped structure comprises a cone and a pyramid, the columnar structure and the design of the cone-shaped structure integrated into one piece can provide more accommodating spaces for the heating structure 2, and the peripheral surface of the inner slope of the cone-shaped structure can facilitate convection of hot air heated by the heating structure 2, so that the hot air is more uniform in temperature, and the heating of the herbal product 4 is more balanced.

In one embodiment of the present utility model, as shown in fig. 3, the wall of the supporting tube 1 is a single-layer wall, and the air holes 11 are arranged on the circumferential outer wall of the supporting tube 1 at intervals to form a plurality of air ventilation channels, and the air ventilation of each air ventilation channel is adjusted by setting the aperture and the interval of each air hole 11.

It should be noted that, the pipe wall of the supporting pipe fitting 1 is a single-layer pipe wall, each air hole 11 is arranged on the peripheral outer wall of the supporting pipe fitting 1 in a penetrating way at intervals, so as to communicate the inside and outside air of the supporting pipe fitting 1, so as to form a plurality of ventilation channels, so as to exhaust the heated air inside the supporting pipe fitting 1, so that the heated air flows through the herbal product 4 by the user sucking the herbal product, and meanwhile, the position and the size of ventilation air flow can be adjusted by adjusting the aperture and the interval of each air hole 11, so that the position and the size of the exhausted hot air are changed, and the air flow and the temperature field are changed.

In an embodiment of the present utility model, as shown in fig. 4, the wall of the supporting tube 1 is a double-layer interlayer of an inner tube wall and an outer tube wall, the head of the inner tube wall of the conical structure is provided with air holes 11 in a penetrating manner so as to communicate air inside the supporting tube 1 and air inside the interlayer, and the lower part of the peripheral outer tube wall of the columnar structure, which is close to the opening end, is provided with a plurality of air holes 11 in a penetrating manner so as to communicate air inside the herbal product and air inside the interlayer.

It should be noted that, the pipe wall of the supporting pipe fitting 1 is an inner pipe wall and an outer pipe wall double-layer interlayer, wherein, one side close to the heating structure 2 is the inner pipe wall, one side away from the heating structure 2 is the outer pipe wall, a gap is left between the inner pipe wall and the outer pipe wall, so that hot air flows, the head of the inner pipe wall of the conical structure penetrates through a plurality of air holes 11 at intervals, so that the hot air heated inside the supporting pipe fitting 1 enters the interlayer between the inner pipe wall and the outer pipe wall, a plurality of air holes 11 are arranged at the lower part of the peripheral outer wall of the columnar structure close to the opening end, so that the hot air between the inner pipe wall and the outer pipe wall can be communicated, the air inside the supporting pipe fitting 1 and the interlayer can be formed, a plurality of ventilation channels are formed, and each ventilation channel has a certain length, so that the temperature of the hot air and the temperature field on the surface of the supporting pipe fitting 1 can be balanced, and the heating of the herbal product 4 can be facilitated.

In one embodiment of the present utility model, as shown in fig. 1, 5 and 6, the heat generating structure 2 includes a plurality of heat generating tubes, each of the heat generating tubes is disposed at intervals along an axial direction of the support tube 1, the heat generating tubes are electrically connected in series or in parallel, and positive and negative electrodes of the heat generating structure 2 are adapted to be electrically connected to a control unit through a wire 5 so as to drive each of the heat generating tubes to heat air in the support tube 1.

It should be noted that, the heating structure 2 includes a plurality of the heating pipe fittings, each the heating pipe fitting central axis is along the axial direction interval setting of support pipe fitting 1, each the welding connection is passed through between the heating pipe fitting, and each the series connection or parallel connection electricity is connected between the heating pipe fitting, the positive and negative pole of heating structure 2 is suitable for through wire 5 and control power electricity connection, wire 5 runs through ventilative locating part 3 sets up, the control unit is given the heating structure 2 is electric power supply carries out the control of generating heat simultaneously, thereby with the drive the heating structure 2 generates heat, each the heating pipe fitting can be the pipe fitting that conductive ceramics or heating wire material made, the quality of heating structure 2 is little, and the energy consumption is low, and the heating rate is fast.

In one embodiment of the present utility model, as shown in fig. 1, 5 and 6, each of the heat-generating pipe members has a hollow cylindrical structure to form a heat ventilation channel inside each of the heat-generating pipe members, and each of the heat-generating pipe members is disposed at intervals to form a heat ventilation channel between each of the heat-generating pipe members to rapidly heat the air inside the support pipe member 1.

It should be noted that, each of the heat-generating pipe members is of a hollow columnar structure so as to form a heating ventilation channel inside each of the heat-generating pipe members, and each of the heat-generating pipe members is arranged at intervals so as to form a heating ventilation channel between each of the heat-generating pipe members, so that when a user sucks the herbal product 4, a part of air entering from the air-permeable limiting member 3 is heated through the heating ventilation channel inside each of the heat-generating pipe members, and another part of air is heated through the heating ventilation channel between each of the heat-generating pipe members, thereby improving the contact area of the air and each of the heat-generating pipe members, and further improving the heating efficiency.

In an embodiment of the present utility model, as shown in fig. 5 and 6, the heating tube is at least one long heating tube 21 and a plurality of short heating tubes 22, the long heating tube 21 is disposed at a middle position inside the support tube 1, so that one end of the long heating tube 21 is close to the air hole 11 at the head of the cone structure, and each short heating tube 22 is disposed around the long heating tube 21 at a surrounding interval.

It should be noted that, the arrangement manner of the heating pipe fitting at least includes the following two embodiments, as shown in fig. 5, in the first embodiment, the heating pipe fitting includes a long heating pipe 21 and a plurality of short heating pipes 22, the long heating pipe 21 is disposed at a middle position inside the supporting pipe fitting 1, so that an air outlet end of the long heating pipe 21 is close to the cone structure, and a diameter of the long heating pipe 21 may be greater than a diameter of each short heating pipe 22, at this time, when the cone structure is provided with air holes 11, hot air exhausted from the heating ventilation channel inside the long heating pipe 21 is directly exhausted through the air holes 11 on the cone structure, and when the cone structure is not provided with the air holes 11, the hot air is directly guided to the air holes 11 on the pipe body through a peripheral surface inside the cone structure, and by setting the long heating pipe 21, a distance between the hot air and an upper part of the cone structure is shortened, thereby improving ventilation efficiency.

Unlike the first embodiment, as shown in fig. 6, the plurality of long heat pipes 21 are arranged at the middle position inside the support pipe 1 at intervals, so that the ventilation end of each long heat pipe 21 is close to the head of the cone-shaped structure, at this time, the hot air passing through each heating ventilation channel inside each long heat pipe 21 and the hot air discharged from each heating ventilation channel between each long heat pipe 21 can be directly discharged through the air holes 11 on the upper part of the cone-shaped structure when the air holes 11 are arranged on the cone-shaped structure, and when the air holes 11 are not arranged on the cone-shaped structure, the hot air can be directly guided to the air holes 11 on the pipe body through the peripheral surface inside the cone-shaped structure, and the space between the hot air and the upper part of the cone-shaped structure is shortened by arranging a plurality of long heat pipes 21, so that the ventilation efficiency is improved.

In one embodiment of the present utility model, the heating structure 2 is a heating filament structure or a honeycomb heating element, wherein the honeycomb heating element is made of conductive ceramics or carbon material (such as graphite), and the heating filament structure is a fancy heating filament or a spiral coil-shaped heating filament made of a heating filament.

It should be noted that, the heating structure 2 is a heating filament structure or a honeycomb heating element, the honeycomb heating element is made of conductive ceramics or carbon materials (such as graphite), and the heating filament structure is a fancy heating filament or a spiral coil heating filament made of a heating filament, so as to improve the heating efficiency of the heating filament, so long as the heating of the air inside the supporting tube 1 can be achieved and the technical scheme suitable for heating the herbal product 4 is suitable for the technical scheme, and the technical scheme is not limited specifically.

The embodiment of the utility model also provides a heating non-combustion device, which is shown in fig. 7, and comprises the ventilation heating component, a heating element fixing piece 7, a tubular shell 6, a battery unit and a control unit, wherein one end of the tubular shell 6 and the heating element fixing piece 7 are sequentially sleeved on the opening end of the ventilation heating component so as to fix the ventilation heating component, and simultaneously, the ventilation heating component is accommodated in the tubular shell 6, the ventilation heating component is electrically connected with the control unit through a wire, and the control unit is electrically connected with the battery unit so as to supply power.

It should be noted that, the tubular housing 6 is the holding chamber that both ends opening set up, the one end of tubular housing 6 is the echelonment shrink, and this pot head is established on ventilative heating element's open end, can keep on ventilative heating element prevents that the air from ventilative heating element with the contact surface of this end of tubular housing 6 flows in and will ventilative heating element holds in tubular housing 6, ventilative heating element pass through the wire with the control unit electricity is connected, the control unit with the battery cell electricity is connected, in order to supply power, the control unit can be right ventilative heating element carries out heating control, wherein the control unit can be the control circuit board.

In one embodiment of the utility model, as shown in connection with fig. 7, an elastic airtight member 8 is further included, said elastic airtight member 8 being disposed between said tubular housing 6 and said herbal product 4 to restrict the flow of gas between said herbal product 4 and said tubular housing 6.

It should be noted that, the elastic airtight member 8 is disposed between the tubular housing 6 and the herbal product 4, where the elastic airtight member 8 may be disposed at an inlet where the herbal product 4 is inserted into the tubular housing 6, and the air-extracting air flow may only enter from the air-permeable limiting member 3 at this time, so as to ensure the air-intake flow, and the elastic airtight member 8 may also be disposed at other positions of a gap between the tubular housing 6 and the herbal product 4, so long as the gap between the herbal product 4 and the tubular housing 6 can be sealed, and the technical scheme is not specifically limited, and the elastic airtight member 8 may be made of silica gel, so long as the material capable of making the elastic airtight member 8 to seal the gap between the herbal product 4 and the tubular housing 6 is suitable for the technical scheme, and is not specifically limited.

The above-described features are continuously combined with each other to form various embodiments not listed above, and are regarded as the scope of the present utility model described in the specification; and, it will be apparent to those skilled in the art from this disclosure that modifications and variations can be made without departing from the scope of the utility model defined in the appended claims.

Claims (10)

1. The ventilation heating assembly is characterized by comprising a supporting pipe fitting, a heating structure and a ventilation limiting part, wherein the heating structure is arranged in the supporting pipe fitting for heating, one end of the supporting pipe fitting is provided with an opening, the periphery of the ventilation limiting part is abutted in the opening end of the supporting pipe fitting for fixing the heating structure and simultaneously carrying out air inlet, and a plurality of air holes are formed in the pipe wall of the supporting pipe fitting in a penetrating mode at intervals so as to form a plurality of ventilation channels; the ventilation channel portion of the support tube is adapted to be inserted within a herbal product, the other end of which is adapted to be sucked by a user.

2. A breathable heat component according to claim 1, characterized in that the tubular body portion of the support tube is of cylindrical configuration, and the end of the support tube facing away from the open end thereof is of convex conical configuration.

3. The breathable heat assembly of claim 2, wherein the wall of the support tube is a single-layer wall, and each of the air holes is arranged on the circumferential outer wall of the support tube at intervals so as to form a plurality of ventilation channels, and the ventilation of each ventilation channel is adjusted by arranging the aperture and the interval of each air hole.

4. The breathable heat generating component according to claim 2, wherein the wall of the supporting tube is a double-layer interlayer of an inner tube wall and an outer tube wall, the head of the inner tube wall of the conical structure is provided with air holes in a penetrating manner so as to communicate air in the supporting tube with air in the interlayer, and the lower part of the outer tube wall of the columnar structure, which is close to the opening end, is provided with a plurality of air holes in a penetrating manner so as to communicate air in the herbal product and the interlayer.

5. A gas-permeable heat generating assembly according to any one of claims 2 to 4, wherein the heat generating structure comprises a plurality of heat generating tubes, each of the heat generating tubes is disposed at intervals along an axial direction of the support tube, each of the heat generating tubes is electrically connected in series or in parallel, and positive and negative electrodes of the heat generating structure are adapted to be electrically connected to a control unit through wires to drive each of the heat generating tubes to heat air in the support tube.

6. The breathable heat assembly of claim 5 wherein each of said heat-generating tubes is of hollow cylindrical configuration to form a heating ventilation channel within each of said heat-generating tubes, each of said heat-generating tubes being spaced apart to form a heating ventilation channel between each of said heat-generating tubes to rapidly heat air within said support tube.

7. The breathable heat generating assembly according to claim 6, wherein the heat generating tube is at least one long heat generating tube and a plurality of short heat generating tubes, the long heat generating tube is disposed at a middle position inside the support tube, such that one end of the long heat generating tube is close to the air hole of the head of the cone-shaped structure, and each of the short heat generating tubes is disposed around the long heat generating tube in a surrounding shape at intervals.

8. The air-permeable heating assembly according to claim 1, wherein the heating structure is a heating filament structure or a honeycomb heating element, wherein the honeycomb heating element is made of conductive ceramics or carbon material, and the heating filament structure is a fancy heating filament or a spiral coil-shaped heating filament made of a heating filament.

9. A heating non-combustion device, which is characterized by comprising the ventilation heating component, a heating element fixing part, a tubular shell, a battery unit and a control unit according to any one of claims 1-8, wherein one end of the tubular shell and the heating element fixing part are sequentially sleeved on the opening end of the ventilation heating component so as to fix the ventilation heating component and simultaneously accommodate the ventilation heating component in the tubular shell, the ventilation heating component is electrically connected with the control unit through a wire, and the control unit is electrically connected with the battery unit so as to supply power.

10. The heated non-combustion device of claim 9 further comprising an elastic gas seal disposed between the tubular housing and the herbal product to restrict gas flow between the herbal product and the tubular housing.