CN111406981A - Heating module, controllable heating module and electronic smoking device - Google Patents

Abstract

The invention provides a heating module, a controllable heating module and an electronic smoking set, wherein the heating module comprises: a heating tube assembly for insertion of a cigarette therein to preheat the cigarette; an air duct assembly connected to an end of the heat pipe assembly for introducing air into the heat pipe assembly; the air heating component is arranged in the air pipe component and used for heating the air, and the air heated by the air heating component enters the heating pipe component, so that the preheated cigarette generates smoke. According to the invention, the cigarette is preheated by the heating pipe component, and the high-temperature air heated by the air heating component is adopted, so that the cigarette is further heated to generate smoke, and the cigarette heating device has the beneficial effects of improving the heating uniformity of the cigarette and improving the taste.

Description

Heating module, controllable heating module and electronic smoking device

technical field

The invention relates to the field of electronic cigarettes, in particular to a heating module, a controllable heating module and an electronic cigarette.

Background technique

In the prior art, heat-not-burn and dry-burn electronic cigarettes are usually heated by inserting a heating sheet or a heating needle into the cut tobacco part of the heated cigarette. Among them, the heating piece or heating needle has a certain physical shape and volume. After the heating element is inserted into the cut tobacco part of the cigarette, it will affect the arrangement of the cut tobacco in the cut tobacco part, resulting in uneven smoking intensity and uneven heating. Since the heating element is in the middle of the cigarette, the cut tobacco close to the heating element is overheated, while the cut tobacco far from the heating element is insufficiently heated, resulting in poor product experience.

SUMMARY OF THE INVENTION

The present invention provides a heating module, a controllable heating module and an electronic cigarette, so as to improve the heating uniformity of cigarettes and improve user experience.

An embodiment of the present invention provides a heating module for use in electronic cigarettes, the heating module includes:

a heating tube assembly for inserting cigarettes therein to preheat the cigarettes;

an air tube assembly connected to an end of the heating tube assembly for directing air into the heating tube assembly; and

an air heating assembly, the air heating assembly is arranged in the air pipe assembly for heating the air, and the air heated by the air heating assembly enters the heating pipe assembly, so that the preheated air Cigarettes produce smoke.

In the heating module of the present invention, the heating tube assembly includes a first round tube and a heating resistance layer disposed on the outer wall of the first round tube.

In the heating module of the present invention, the heating tube assembly further includes a ceramic glaze film disposed on the heating resistance layer.

In the heating module of the present invention, the air pipe assembly includes an air intake pipe and a heating air pipe; the air intake pipe is connected to one end of the heating air pipe, and the other end of the heating air pipe is connected to the end of the heating pipe assembly The air heating assembly is arranged in the heating air pipe.

In the heating module of the present invention, the heating module further includes an isolation grid sheet; the heating gas pipe includes a thin pipe part and a thick pipe part that are coaxially connected, and one end of the thin pipe part is inserted into the At one end of the air intake pipe, the isolation mesh sheet is arranged in the thick pipe part and on the end surface of the thin pipe part, and the end of the heating pipe assembly is inserted into the thick pipe part and connects all the parts. The isolation grid sheet is compressed, and the air heating component is arranged in the thin tube portion.

In the heating module of the present invention, the heating gas pipe is made of zirconia ceramic material.

In the heating module of the present invention, the air heating component is a heating wire or a ceramic heating body provided with ventilation holes.

Another embodiment of the present invention also provides a controllable heating module, including the above-mentioned heating module, and the controllable module further includes:

an airflow sensor, which is arranged in the trachea assembly and is used to detect the inhaled gas flow information;

a temperature sensor, the temperature sensor is disposed on the side wall of the heating pipe assembly, and is used for detecting temperature information in the heating pipe assembly; and

a control component, the control component is electrically connected with the airflow sensor, the control component is electrically connected with the temperature sensor, the control component is used for controlling the heating of the air heating component according to the gas flow information, and used for The heating tube assembly is controlled to generate heat according to the temperature information.

Another embodiment of the present invention also provides an electronic cigarette, including the above-mentioned controllable heating module, the electronic cigarette further comprising: a power supply module, the power supply module is connected to the controllable heating module and power supply.

In the electronic cigarette device of the present invention, the power supply module includes a drive circuit and a battery assembly; the battery assembly is electrically connected to the drive circuit and the control assembly.

In the electronic cigarette device of the present invention, the temperature sensor is electrically connected to the control component, and the control component is used for controlling the heating power of the heating tube component according to the temperature information.

In the electronic cigarette device of the present invention, the airflow sensor is electrically connected to the control component, and the control component is configured to control the heating power of the air heating component according to the gas flow information.

In the electronic cigarette device of the present invention, the electronic cigarette device further comprises a heat insulation layer, and the heat insulation layer is arranged on the outer surface of the controllable heating module.

The heating module, the controllable heating module and the electronic smoking device according to the embodiments of the present invention use the heating tube assembly to preheat the cigarette, and use the high-temperature air heated by the air heating assembly to further heat the cigarette to generate smoke, and have the advantages of: The beneficial effect of improving the uniformity of heating of cigarettes to improve the taste.

Description of drawings

In order to illustrate the technical solutions in the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of an exploded structure of a heating module in an embodiment of the present invention;

FIG. 2 is a schematic diagram of the assembly structure of the heating module according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an electronic cigarette device according to an embodiment of the present invention.

4 is a schematic diagram of an exploded structure of a controllable heating module in another embodiment of the present invention;

5 is a schematic diagram of the assembly structure of a controllable heating module in another embodiment of the present invention; and

FIG. 6 is a schematic structural diagram of an electronic cigarette device in another embodiment of the present invention.

Detailed ways

The technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings in the various embodiments of the present invention. Obviously, the described embodiments are only a part of, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 at the same time. FIG. 1 is a schematic diagram of an exploded structure of a heating module according to an embodiment of the present invention. FIG. 2 is a schematic diagram of an assembly structure of a heating module in an embodiment of the present invention. FIG. 3 is a schematic structural diagram of an electronic cigarette device in an embodiment of the present invention. The heating module 1001 is used in the electronic cigarette, and the heating module 1001 and the power supply module 1002 are assembled to form the electronic cigarette 1000 . The heating module 1001 is used to heat the cigarette 100 without burning it to form smoke.

In this embodiment, the heating module 1001 includes: a heating pipe assembly 10 , an air heating assembly 20 , an air pipe assembly 30 , and an isolation grid sheet 40 . The heating tube assembly 10 is used for inserting the cigarette 100 therein to heat the cigarette 100 . The air pipe assembly 30 is connected to the end of the heating pipe assembly 10 for introducing air into the heating pipe assembly 10 . The air heating assembly 20 is disposed in the air pipe assembly 30 for heating the air therein. The isolation grid sheet 40 is disposed in the trachea assembly 30 . The isolation grid sheet 40 is located on the side of the air heating assembly 20 facing the heating tube assembly 10 , and is used to prevent the cigarettes 100 remaining in the heating tube assembly 10 from falling onto the air heating assembly 30 .

Specifically, the heating tube assembly 10 includes a first round tube 11 and a heating resistance layer 12 disposed on the outer side wall of the first round tube 11 . The heating resistance layer 12 is electrically connected to the power supply module 1002 through two wires 121 . Wherein, the first round tube 11 is made of zirconia ceramic material. The inner diameter of the first round tube 11 may be 3.5 mm to 12 mm. The length of the first round tube 11 may be 5 mm to 80 mm. The wall thickness of the first round tube 11 may be 0.25 mm to 1.5 mm. The heating resistor layer 12 is made into a heating resistor with a resistance value ranging from 0.2 ohms to 5 ohms by printing a conductive thick film method or sputtering a conductive layer. A round pipe 11, the cigarette is preheated by the first round pipe 11. A layer of high temperature resistant ceramic glaze film 90 is also provided on the outer wall of the first round tube 11 . The ceramic glaze film 90 is disposed on the heating resistance layer 12 .

In one embodiment, the air heating component 20 may be a heating wire, and the heating is in a spiral coil shape. In other embodiments, the air heating component 20 may also be a ceramic heating body provided with ventilation holes.

In this embodiment, the air pipe assembly 30 includes an air intake pipe 32 and a heating air pipe 31 . The air inlet pipe 32 is connected to one end of the heating gas pipe 31 . The other end of the heating gas pipe 31 is connected to the end of the heating pipe assembly 10 . The air heating assembly 20 is arranged in the heating air pipe 31 .

Specifically, the heating gas pipe 31 can be made of zirconia ceramic material. The heating gas pipe 31 is in the shape of a stepped pipe. The heating gas pipe 31 includes a thin pipe part 312 and a thick pipe part 311 that are coaxially connected. Both the thin tube portion 312 and the thick tube portion 311 are in the shape of a round tube. One end of the thin tube portion 312 is inserted into one end of the air intake pipe 32 . The isolation mesh sheet 40 is disposed in the thick pipe portion 311 and is located on the end surface of the thin pipe portion 312 , that is, disposed at the junction of the thin pipe portion 312 and the thick pipe portion 311 . The end of the heating pipe assembly 10 is inserted into the thick pipe part 311 and the isolation mesh sheet 40 is pressed tightly, and the air heating element 20 is arranged in the thin pipe part 312 .

The isolation grid sheet 40 is made of heat-resistant material, and a plurality of ventilation holes are formed thereon, so that the high-temperature hot gas in the heating gas pipe 31 can enter the heating pipe assembly 10 . The isolation mesh sheet 40 is a 304 stainless steel mesh sheet provided with a plurality of mesh holes. The aperture of the mesh is 0.1 mm to 0.5 mm. The bottom of the intake pipe 32 is provided with an intake hole 321 for sucking in external air.

In some embodiments, the electronic cigarette device 1000 further includes a thermal insulation layer 70 , and the thermal insulation layer 70 is disposed on the outer surface of the heating assembly 1001 .

During operation, the heating pipe assembly 10 preheats the shredded tobacco 100 inserted into it at about 100-300 degrees Celsius, and the air heating assembly 20 heats the air sucked into the air pipe assembly 30 to above 300 degrees Celsius, and the high temperature heats The air then enters the cut tobacco portion of the heated non-combustible cigarette product through the end of the heating tube assembly 10, so that the cut tobacco can be fully heated by the hot air, thereby generating smoke. The heating temperature of the heating pipe assembly 10 is lower than the heating temperature of the air heating assembly 20 .

The power supply module 1002 is respectively electrically connected to the heating tube assembly 10 and the air heating assembly 20 of the heating module 1001 .

The power supply module 1002 includes a battery assembly 1012 and a driving circuit 1022 . The battery assembly 1012 is electrically connected to the drive circuit 1022, and the drive circuit 1022 is electrically connected to the heating pipe assembly 10 and the air heating assembly 20 to provide different driving voltages for the heating pipe assembly 10 and the air heating assembly 20, respectively.

In this embodiment, the heating tube assembly 10 is used to preheat the cigarette 100, and the high temperature air heated by the air heating assembly 20 is used to further heat the cigarette 100 to generate smoke, which has the beneficial effect of improving the heating uniformity of the cigarette and improving the taste.

Please refer to FIG. 4 , FIG. 5 and FIG. 6 at the same time. FIG. 4 is a schematic diagram of an exploded structure of a controllable heating module in another embodiment of the present invention. FIG. 5 is a schematic diagram of an assembly structure of a controllable heating module in another embodiment of the present invention. FIG. 6 is a schematic structural diagram of an electronic cigarette device in another embodiment of the present invention. The controllable heating module 2001 is applied in the electronic smoking device 2000, and the controllable heating module 2001 and the power supply module 2002 are assembled to form the electronic smoking device. The controllable heating module is used to heat the cigarette without burning it to form smoke.

The controllable heating module 2001 includes the aforementioned heating module 1001 , and further includes an airflow sensor 60 , a temperature sensor 70 and a control assembly 80 .

In this embodiment, the airflow sensor 60 is disposed in the trachea assembly 30 for detecting the flow rate information of the inhaled gas. The temperature sensor 50 is disposed on the side wall of the heating pipe assembly 10 for detecting temperature information in the heating pipe assembly 10 . The control assembly 80 is electrically connected to the airflow sensor 70, and the control assembly 80 is electrically connected to the temperature sensor 50. The control assembly 80 is used to control the heating of the air heating assembly 20 according to the gas flow information, and to control the heating of the heating pipe assembly 10 according to the temperature information.

Specifically, the temperature sensor 50 is electrically connected to the control assembly 80, and the control assembly 80 is used to control the heating power of the heating pipe assembly 20 according to the temperature information. The air flow sensor 70 is electrically connected with the control assembly 80, and the control assembly 80 is used for controlling the heating power of the air heating assembly 20 according to the air flow information.

In this embodiment, the heating tube assembly 10 is used to preheat the cigarette 100, and the high temperature air heated by the air heating assembly 20 is used to further heat the cigarette 100 to generate smoke, which has the beneficial effect of improving the heating uniformity of the cigarette and improving the taste.

The heating modules and electronic cigarettes provided by the various embodiments of the present invention are described above in detail. The principles and embodiments of the present invention are described in this paper using specific examples. The descriptions of the above embodiments are only used to help understand the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific embodiments and application scope. To sum up, the content of this specification should not be construed as a limitation of the present invention.

Claims (13)

1. The utility model provides a heating module, is applied to in the electron smoking set, its characterized in that, heating module includes:

a heating tube assembly for insertion of a cigarette therein to preheat the cigarette;

an air duct assembly connected to an end of the heat pipe assembly for introducing air into the heat pipe assembly;

the air heating component is arranged in the air pipe component and used for heating the air, and the air heated by the air heating component enters the heating pipe component, so that the preheated cigarette generates smoke.

2. The heating module of claim 1, wherein the heater tube assembly comprises a first circular tube and a heating resistor layer disposed on an outer wall of the first circular tube.

3. The heating module of claim 2, wherein the heater tube assembly further comprises a ceramic glaze layer disposed on the heating resistor layer.

4. The heating module of claim 1, wherein the air tube assembly comprises an air inlet tube and a heated air tube; the air inlet pipe is connected with one end of the heating air pipe, the other end of the heating air pipe is connected with the end of the heating pipe assembly, and the air heating assembly is arranged in the heating air pipe.

5. The heating module of claim 4, further comprising a spacer grid sheet; the heating air pipe comprises a thin pipe part and a thick pipe part which are coaxially connected, one end of the thin pipe part is inserted into one end of the air inlet pipe, the isolation grid piece is arranged in the thick pipe part and located on the end face of the thin pipe part, the end part of the heating pipe assembly is inserted into the thick pipe part and compresses the isolation grid piece, and the air heating assembly is arranged in the thin pipe part.

6. The heating module of claim 4, wherein the heating gas pipe is made of a zirconia ceramic material.

7. The heating module according to claim 1, wherein the air heating component is a heating wire or a ceramic heater provided with a vent hole.

8. A controllable heating module comprising the heating module of any of claims 1-7, wherein the controllable heating module further comprises:

the air flow sensor is arranged in the air pipe assembly and used for detecting the flow information of the sucked air;

the temperature sensor is arranged on the side wall of the heating pipe component and used for detecting temperature information in the heating pipe component;

the control assembly is electrically connected with the airflow sensor, the control assembly is electrically connected with the temperature sensor, and the control assembly is used for controlling the air heating assembly to generate heat according to the gas flow information and controlling the heating pipe assembly to generate heat according to the temperature information.

9. An electronic smoking article comprising the controllable heating module of claim 8, wherein the electronic smoking article further comprises a power supply module, and the power supply module is connected with the controllable heating module and supplies power.

10. The electronic smoking article of claim 9, wherein the power module comprises a driving circuit and a battery assembly; the battery assembly is electrically connected with the driving circuit and the control assembly.

11. The electronic smoking article of claim 10, wherein the temperature sensor is electrically connected to the control assembly, and the control assembly is configured to control the heating power of the heater tube assembly based on the temperature information.

12. The electronic smoking article of claim 10, wherein the airflow sensor is electrically connected to the control assembly, the control assembly being configured to control the heating power of the air heating assembly based on the airflow information.

13. The electronic smoking article of claim 9, further comprising a thermal insulation layer disposed on an outer surface of the controllable heating module.

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