CN115486574A - Air heating's heating does not burn smoking set - Google Patents

Abstract

The invention discloses an air heating smoking set without burning, which comprises a pipe body, an air guide layer and a heating component, wherein the pipe body is provided with a pipe body; the pipe body comprises an upper cavity and a lower cavity, the air guide layer is arranged in the pipe body, the upper cavity is positioned above the air guide layer, and the lower cavity is positioned below the air guide layer; the air guide layer is provided with an air guide through hole; the upper cavity is used for placing cigarettes, and the heating component is arranged in the lower cavity; the heating assembly comprises a heat insulation main body, a plurality of heating channels and a heating body; the heating channel penetrates through the heat insulation main body, the heating channel is communicated with the air guide through hole, and the heating body is arranged in the heating channel; the cigarette is uniformly heated in an air heating mode, and the heating assembly has small influence on the temperature of the smoking set shell.

Description

Air heating's heating does not burn smoking set

Technical Field

The invention relates to the technical field of heating non-combustion, in particular to an air heating non-combustion smoking set.

Background

The heating non-combustion product mainly comprises a cigarette and cigarette heating equipment which are specially manufactured, and in the using process, the heating temperature is lower, so that the burning point of the tobacco can not be reached, a large amount of harmful components generated due to pyrolysis are avoided, a consumer can obtain satisfaction and reduce the harm of the tobacco to the body, and meanwhile, the pollution to the environmental smoke is reduced, so that the heating non-combustion product is more and more favored by the consumer.

At present, heating incombustible smoking set mainly adopts heating pin or heating plate to insert to the cigarette in the middle of putting to the heating, and this kind of heating method heating source only is used in the central point of cigarette and puts, can lead to the heating inhomogeneous to cigarette, and then the cigarette intermediate temperature is high appears, the condition that outer fringe part temperature is low to lead to smog release inhomogeneous, and pull out and insert a cigarette in-process and cause the heating plate fracture easily, the replacement cost is high. The cigarette is inserted into the heating cup to be heated, the outer edge part of the cigarette is heated, and heat is transferred to the center of the cigarette through heat conduction, so that the phenomenon of uneven heating exists, the temperature of the outer edge part of the cigarette is high, and the temperature of the center of the cigarette is low.

In addition, the heating does not burn the product and can produce the heat in the heating process, and these heats are transmitted to the smoking set casing through modes such as radiation, conduction to cause the casing temperature higher, influence user experience.

Disclosure of Invention

The invention aims to provide an air heating smoking set which is not combusted, cigarettes are uniformly heated in an air heating mode, and the heating assembly has small influence on the temperature of a smoking set shell.

The invention provides an air-heating non-combustion smoking set, which comprises a pipe body, an air guide layer and a heating component, wherein the pipe body is provided with a plurality of air guide holes; the pipe body comprises an upper cavity and a lower cavity, the air guide layer is arranged in the pipe body, the upper cavity is positioned above the air guide layer, and the lower cavity is positioned below the air guide layer; the air guide layer is provided with an air guide through hole; the upper cavity body is used for placing cigarettes, and the heating component is arranged in the lower cavity body.

The heating assembly comprises a heat insulation main body, a plurality of heating channels and a heating body; the heating channel penetrates through the heat insulation main body, the heating channel is communicated with the air guide through hole, and the heating body is arranged in the heating channel.

Further, the heating body is attached to the inner side wall of the heating channel.

Further, the heat generating channel comprises a channel body and a heat conducting layer, the channel body is formed on the heat insulation main body in a penetrating mode, and the heat conducting layer is arranged on the side wall of the channel body.

Further, the heating channel further comprises a mounting groove, and the heating body is mounted on the mounting groove.

Further, the heat-generating channel further comprises a heat-insulating layer, and the heat-insulating layer is arranged between the channel body and the heat-conducting layer.

Further, the aperture of the heating channel is gradually reduced from bottom to top.

Further, the heating element is spirally arranged, and the heating element is attached to the inner side wall of the heating channel.

Further, the top surface of the heat conduction layer abuts against the air guide layer.

Furthermore, a heat radiation layer is arranged on the side wall of the lower cavity.

Further, the heating assembly comprises at least two heating channels, and the heating channels are arranged by taking the central shaft of the heat insulation main body as an axis array.

The invention has the beneficial effects that:

(1) According to the invention, the plurality of heating channels are arranged in the heat insulation main body, and the heating body is arranged in the heating channels, so that on one hand, the heating efficiency of air in unit volume can be improved, on the other hand, the heat conduction of heat can be reduced by the heat insulation main body, and further, the dissipation of heat is reduced, so that the heat generated by the heating body is better concentrated in the heating channels to heat the air, and meanwhile, the heat generated by the heating body is not easy to be transferred to the shell, thereby avoiding the situation of overhigh temperature of the shell; when the heating body is in operation, a hot air flow formed after a strand of heated air is formed in each heating channel, and the hot air flow flowing out of a plurality of heating channels passes through the air guide layer and then enters the upper cavity body to heat the cigarette, so that the heating is more uniform.

(2) The heating body is spirally arranged in the heating channel, so that hot air flow formed after air is heated has a spiral rising trend, the contact path of the hot air flow and the heating body is further prolonged, the temperature of the hot air flow entering the upper cavity is increased, and the heating effect on cigarettes is improved.

(3) The aperture of the heating channel is gradually reduced from bottom to top, and the flow speed of the airflow passing through the heating channel is increased in the process from bottom to top, so that the speed of the airflow flowing through the air guide layer is increased, the heated airflow can enter the cigarette more deeply to be heated, and the heating effect is improved.

(4) According to the invention, the heat conduction layer is arranged in the heating channel, so that the heat conduction layer is heated under the action of the heating body, and the heating effect on air is further improved.

(5) According to the invention, the heat insulation layer is arranged between the heat conduction layer and the hole wall of the heating through hole, so that the heat insulation effect is further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. On the attached sheet

In the figure:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the first embodiment of the present invention.

Fig. 3 is a schematic perspective view of the thermal insulation main body, the thermal insulation layer and the thermal conduction layer according to the first embodiment of the present invention.

Fig. 4 is a schematic sectional view of the thermal insulation body, the thermal insulation layer and the heat conductive layer according to the first embodiment of the present invention.

FIG. 5 is a schematic view showing a structure of a heat-generating body in the first embodiment of the present invention.

FIG. 6 is a partial schematic view of a gas guiding layer according to a second embodiment of the present invention.

FIG. 7 is a partial schematic view of a gas directing layer in a third embodiment of the invention.

FIG. 8 is a partial schematic view of a gas directing layer in a fourth embodiment of the invention.

Reference numerals are as follows: 1. a pipe body; 11. an upper cavity; 12. a lower cavity; 13. a heat radiation layer; 2. a gas-conducting layer; 21. an air guide through hole; 22. a transverse through hole; 23. a one-way valve; 31. a thermally insulating body; 32. a channel body; 33. a heating element; 4. a heat conductive layer; 41. installing a groove; 5. a thermal insulation layer; 61. a power source; 62. and an electrode.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

A first embodiment.

Referring to fig. 1 and 2, a heating non-combustion smoking set for heating air according to a first embodiment of the present invention includes a tube 1, an air guide layer 2 and a heating element; the pipe body 1 comprises an upper cavity 11 and a lower cavity 12, the air guide layer 2 is arranged in the pipe body 1, the upper cavity 11 is positioned above the air guide layer 2, and the lower cavity 12 is positioned below the air guide layer 2; the air guide layer 2 is provided with an air guide through hole 21; the upper cavity 11 is used for placing cigarettes, and the heating component is arranged in the lower cavity 12.

The heating component comprises a heat insulation main body 31, a plurality of heating channels and a heating body 33; the heating channel penetrates through the heat insulation main body 31, the heating channel is communicated with the air guide through hole 21, and the heating body 33 is arranged in the heating channel.

In this embodiment, the heat generating channels are disposed through upper and lower end surfaces of the heat insulating main body 31.

According to the arrangement, the plurality of heating channels are arranged in the heat insulation main body 31, and the heating body 33 is arranged in the heating channels, so that on one hand, the heating efficiency of air in unit volume can be improved, on the other hand, the heat conduction of heat can be reduced by the heat insulation main body 31, further, the dissipation of heat is reduced, the heat generated by the heating body 33 is better concentrated in the heating channels to heat the air, and meanwhile, the heat generated by the heating body 33 is not easy to be transferred to the shell, so that the situation that the temperature of the shell is too high is avoided; when the heating body 33 works, a hot air flow formed after a strand of heated air is formed in each heating channel, and the hot air flow flowing out of a plurality of heating channels passes through the air guide layer 2 and then enters the upper cavity 11 to heat cigarettes so as to heat more uniformly.

Specifically, the air guide through holes 21 may be arranged on the air guide layer 2 in order or in disorder, and the cross-sectional shape of the air guide through holes 21 may be circular, rectangular, or regular polygonal. In this embodiment, the cross section of the air guide layer is circular, the cross section of the air guide through holes 21 is circular, and the air guide through holes 21 are arranged in an array by taking the central axis of the air guide layer 2 as an axis.

Further, the heating element 33 is attached to the inner side wall of the heating channel. Thus, the hot air flow formed after the air is heated can pass through the heat generating channel.

Further, referring to fig. 2 and 4, the heat generating channel includes a channel body 32 and a heat conducting layer 4, the channel body 32 is formed on the heat insulating main body 31 in a penetrating manner, and the heat conducting layer is disposed on a side wall of the channel body.

Specifically, the channel body 32 is disposed through the upper and lower end surfaces of the heat insulation main body 31, and the heat conduction layer 4 is disposed corresponding to the inner side wall of the channel body 32. The material of the heat conduction layer 4 may be at least one of aluminum having an aluminum oxide or aluminum oxide surface layer, aluminum nitride, aluminum having an aluminum nitride surface layer, and magnesium metal.

With the above arrangement, the heat conduction layer 4 is arranged in the channel body 32, so that the heat conduction layer 4 heats up under the action of the heating body 33, and the heating effect on the air is further improved.

In this embodiment, the heating body 33 is the strip setting, just the spiral attached setting of heating body 33 is in on the heat-conducting layer 4, the lateral wall of heating body 33 with heat-conducting layer 4 butt. The material of the heating element 33 may be at least one of nickel, iron chromium aluminum, stainless steel, and carbon fiber.

In other embodiments, a plurality of heating elements may be disposed in the channel body at equal intervals (not shown in the figures), or one heating element may be disposed in the channel body at a bent interval (not shown in the figures), so as to increase a contact path between a hot air flow and the heating element, and further improve a heating effect on the hot air flow.

Further, referring to fig. 4, the heat generating channel further includes a mounting groove 41, and the heat generating body 33 is mounted on the mounting groove 41. In the present embodiment, the mounting recess 41 is formed recessed inward from the heat conductive layer 4. Like this, be convenient for with the heat-generating body 33 is fixed in the passageway generates heat, simultaneously the heat-generating body 33 can directly be with heat transfer to on the heat-conducting layer 4, and then heat-conducting layer 4 can further heated air, improves the heating effect.

In other embodiments, the heat generating channel includes only the channel body 32, and the mounting groove 41 is concavely formed from a sidewall of the channel body 32.

Further, referring to fig. 2 and 4, the heat generating channel further includes a heat insulating layer 5, and the heat insulating layer 5 is disposed between the channel body and the heat conducting layer 4. The material of the thermal insulation layer 5 can be aerogel, thermal insulation cotton or mica.

Above setting heat-conducting layer 4 with set up insulating layer 5 between the lateral wall of passageway body, further improved thermal-insulated effect, be favorable to the heat to concentrate in the passageway that generates heat.

Further, referring to fig. 2 and 4, the inner diameter of the heat generating channel gradually decreases from bottom to top. Specifically, the vertical section of the heating channel is an isosceles trapezoid, wherein the upper base edge of the isosceles trapezoid is smaller than the lower base edge.

Specifically, the heating element 33 is attached to the inner side wall of the heating channel, and in different embodiments, the specific position where the heating element 33 is disposed is different.

When the heating channel only comprises the channel body 32, at this time, the inner side wall of the channel body 32 is the inner side wall of the heating channel, the heating element 33 is attached to the inner side wall of the channel body 32, and the inner diameter of the channel body 32 is gradually reduced from bottom to top.

When the passageway that generates heat includes passageway body 32 and heat-conducting layer 4, this moment the inside wall of heat-conducting layer 4 does the inside wall of the passageway that generates heat, the attached setting of heat-generating body 33 is in on the inside wall of heat-conducting layer 4, the internal diameter of heat-conducting layer 4 can set up to the upwards diminishing gradually from bottom to top.

When the heat generating channel includes the channel body 32 and the installation groove 41, the inner sidewall of the installation groove 41 is the inner sidewall of the heat generating channel, the heat generating body 33 is installed on the installation groove 41, and the inner diameter of the installation groove 41 may be set to be gradually reduced from bottom to top.

When the heat generating channel includes the channel body 32, the heat conducting layer 4 and the mounting groove 41, at this moment the inside wall of the mounting groove 41 is the inside wall of the heat generating channel, the heat generating body 33 is installed on the mounting groove 41, the inside diameter of the mounting groove 41 can be set to be gradually reduced from bottom to top.

In the present embodiment, the heat generating channel includes a channel body 32, a heat conducting layer 4, and a mounting groove 41, and the inner diameters of the channel body 32, the heat conducting layer 4, and the mounting groove 41 are all set to gradually decrease from bottom to top.

The above setting, through inciting somebody to action the aperture of the passageway that generates heat sets up to upwards reducing gradually from bottom to top, can with make the process the velocity of flow of the air current of the passageway that generates heat is more and more fast from ascending in-process down to improve the air current and flowing through speed during air guide layer 2 for air current after the heating can get into a cigarette inside more deeply and heat, improves the heating effect.

Further, referring to fig. 2 and 5, the heating element 33 is spirally disposed, and the heating element 33 is attached to the inner side wall of the heating channel.

In the present embodiment, the mounting groove 41 is spirally provided; in other embodiments, at least one of the channel body 32 and the thermally conductive layer 4 is helically arranged. The heating element 33 is arranged in a strip shape.

Above setting, through inciting somebody to action the heat-generating body 33 is in spiral setting in the heat-generating channel for the hot gas flow that forms behind the heated air has spiral ascending trend, and then prolonged the hot gas flow with the contact route of heat-generating body 33 has improved the hot gas flow and has got into temperature when going up cavity 11, thereby the improvement is to the heating effect of cigarette.

Further, referring to fig. 2, the top surface of the heat conductive layer 4 abuts against the air conductive layer 2. Specifically, the top surfaces of the heat insulating body 31 and the heat insulating layer 5 are respectively abutted against the bottom surface of the air guide layer 2.

Above setting up, the heat-conducting layer 4 the insulating layer 5 thermal-insulated main part 31 can arrive heat transfer through heat-conducting mode respectively on the air guide layer 2, it is right to have improved the temperature of air guide layer 2, on the one hand, can also heat the flow through after the air guide layer 2 heaies up air guide through hole 21's air current heats, on the other hand, air guide layer 2 can also be evenly with heat transfer for cigarette with the tip of air guide layer 2 contact has strengthened the heating effect to cigarette.

The heat insulation main body 31 may be fixedly connected to the air guide layer 2, specifically, may be fixedly connected to the air guide layer 2 by being integrally formed, or may be fixedly connected to the air guide layer 2 by being welded, bonded, or the like; in addition, the heat insulation main body 31 may be fixedly connected to the inner sidewall of the pipe body 1 by a connection structure or an integral molding manner, so as to fix the heat insulation main body 31.

Further, referring to fig. 2, a heat radiation layer 13 is disposed on a sidewall of the lower cavity 12.

Further, referring to fig. 2-4, the heat generating component includes at least two heat generating channels, and the heat generating channels are arranged by taking the central axis of the heat insulating main body 31 as an axis array. Specifically, the cross-sectional shape of the heat generating channel may be circular, rectangular, regular polygonal, or the like.

In this embodiment, referring to fig. 3, the heat insulation main body 31 is a cylindrical structure, five heat generating channels are arranged on the heat insulation main body 31, and the heat generating channels are distributed in a matrix manner by using a central axis of the heat insulation main body 31; the cross section of the heating channel is circular, one heating channel is arranged at the center of the heat insulation main body 31, the central axis of the heating channel and the central axis of the heat insulation main body 31 are positioned on the same straight line, and the other four heating channels are distributed in an array mode by the central axis of the heat insulation main body 31; in this embodiment, the heat generating channels are not communicated with each other, and in other embodiments, the heat generating channels may be communicated with each other. The material of the thermal insulation body 31 may be porous alumina ceramic, porous closed-cell foam, or the like.

Specifically, the air-heated, non-burning smoking set further comprises an electrode 62 and a power source 61; the power supply 61 is used for supplying power to the heating element 33.

Specifically, referring to fig. 2 and 5, the electrode 62 includes a positive electrode 62 and a negative electrode 62, the heating element 33 is respectively connected to the two electrodes 62, and the heating element 33 is electrically connected to the power supply 61 through the electrodes 62. One of the electrodes 62 is connected to the upper end of the heating element 33 provided in a spiral shape, and the other electrode 62 is connected to the lower end of the heating element 33 provided in a spiral shape.

In this embodiment, the electrodes 62 are arranged in a column shape, two of the electrodes 62 are respectively fixedly connected with the heating element 33, and one end of the electrode 62 far away from the heating element 33 is fixedly connected with the power supply 61. Thus, the electrode 62 can provide structural support for the heating element 33 while also providing electrical connection between the heating element 33 and the power source 61.

A second embodiment.

Referring to fig. 6, a difference between the air heating non-combustion smoking set according to the second embodiment of the present invention and the first embodiment is that, in the present embodiment, the air guide through hole 21 extends into the upper cavity 11. Specifically, the pore wall of the air guide through hole 21 extends into the upper cavity 11, so that the hot air flow flowing through the air guide through hole 21 directly enters the cigarette, and the heating effect on the cigarette is improved.

A third embodiment.

Referring to fig. 7, a difference between the air heating non-combustion smoking set according to the third embodiment of the present invention and the second embodiment is that in the present embodiment, the air guide through hole 21 is further provided with a transverse through hole 22 on the side wall of the end far away from the air guide layer 2.

Above setting, the air current can also pass through transverse through hole 22 lateral flow on the air guide through hole 21 passes through transverse through hole 22 outflow's air current can heat the outward appearance of cigarette, further improves heating effect and the degree of consistency to cigarette.

A fourth embodiment.

Referring to fig. 8, a difference between the air heating non-combustion smoking set according to the fourth embodiment of the present invention and the second embodiment is that in the present embodiment, a check valve 23 is disposed at an upper end of the air guide through hole 21.

With the arrangement, when the smoking set is used, hot air flows open the check valve 23 and enter the upper cavity 11 to heat cigarettes; the one-way valve 23 may be effective to prevent debris or dust from entering the airflow conduit when smoking articles are not in use or when the airflow is insufficient to open the one-way valve 23.

In this embodiment, the one-way valve 23 is preferably a duckbill valve.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A smoking set heated by air without combustion is characterized by comprising a pipe body, an air guide layer and a heating component; the pipe body comprises an upper cavity and a lower cavity, the air guide layer is arranged in the pipe body, the upper cavity is positioned above the air guide layer, and the lower cavity is positioned below the air guide layer; the air guide layer is provided with an air guide through hole; the upper cavity is used for placing cigarettes, and the heating component is arranged in the lower cavity;

the heating component comprises a heat insulation main body, a plurality of heating channels and a heating body; the heating channel penetrates through the heat insulation main body, the heating channel is communicated with the air guide through hole, and the heating body is arranged in the heating channel.

2. The air-heated, non-burning smoking article of claim 1, wherein the heat-generating body is attached to the inner wall of the heat-generating channel.

3. The air heated non-combustion smoking article of claim 2, wherein the heat generating channel includes a channel body formed through the insulating body and a heat conductive layer disposed on a side wall of the channel body.

4. The air-heated, non-combustion smoking article of claim 2 or 3, wherein the heat-generating channel further comprises a mounting recess, the heat-generating body being mounted on the mounting recess.

5. The air heated non-combustion smoking article of claim 3, wherein the heat generating channel further comprises an insulating layer disposed between the channel body and the heat conductive layer.

6. The air heated, non-burning smoking article of claim 2, wherein the inner diameter of the heat generating channel decreases from bottom to top.

7. The air-heated non-combustion smoking article of claim 2 or 3, wherein the heat generating element is disposed spirally and attached to the inner wall of the heat generating channel.

8. The air heated non-combustion smoking article of claim 2, wherein the top surface of the heat conductive layer and the air guide layer abut.

9. The air heated non-combustion smoking article of claim 1, wherein the side wall of the lower chamber is provided with a heat radiating layer.

10. The air heated non-combustion smoking article of claim 1, wherein the heat generating assembly comprises at least two heat generating channels arranged in an axial array about a central axis of the insulating body.

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