WO2020029909A1

WO2020029909A1 - Pipe bowl structure and flue-cured tobacco e-cigarette

Info

Publication number: WO2020029909A1
Application number: PCT/CN2019/099221
Authority: WO
Inventors: 邱伟华; 华能
Original assignee: 常州市派腾电子技术服务有限公司
Priority date: 2018-08-08
Filing date: 2019-08-05
Publication date: 2020-02-13
Also published as: EP3834641A4; CN208676379U; EP3834641A1

Abstract

A pipe bowl structure and a flue-cured tobacco e-cigarette, wherein the flue-cured tobacco e-cigarette comprises the pipe bowl structure. The pipe bowl structure comprises a pipe bowl body (2), a heating assembly and a shell (26); the pipe bowl body (2) comprises a storage part and a connection part (25) that is provided at the periphery of the storage part; a storage compartment (21) is formed in an inner chamber of the storage part; the connection part (25) is used for connection to the shell (26), and the heating assembly is connected to the storage part; a heating compartment (31) is formed in the heating assembly, wherein the heating compartment (31) is in communication with the storage compartment (21); and the heating assembly is at least partly contained inside of the shell (26). The pipe bowl structure may effectively improve heat transfer efficiency during heating as well as the flavor of the smoke.

Description

Tobacco pot structure and flue-cured electronic cigarette

Technical field

The utility model relates to the technical field of simulated smoking, in particular to a tobacco pot structure and an electronic cigarette with flue-cured tobacco.

Background technique

Flue-cured tobacco electronic cigarette is an electronic product that simulates smoking. It produces smoke by baking and heating tobacco or tobacco paste. The smoke has a taste similar to that of cigarettes. The user simulates the feeling of smoking by smoking the smoke generated by the electronic cigarette. Flue-cured tobacco electronic cigarettes can greatly improve the aroma of cigarettes and reduce the tar content. They are generally used as smoking cessation products or as alternative cigarettes for users. Existing flue-cured tobacco electronic cigarettes usually use contact conductive heating, such as ceramic heating and PI film heating. This contact conductive heating method has a complicated structure, low thermal efficiency, and poor smoke taste due to baking, which cannot meet user needs. .

Utility model content

The technical problem to be solved by the utility model is to provide a smoke pot structure and flue-cured electronic cigarettes, which can effectively improve the heat transfer efficiency and smoke taste during heating.

In order to solve the above technical problems, the technical solutions provided by the present utility model are as follows:

A chimney pot structure, the chimney pot structure includes a chimney pot body, a heating component, and a shell. The chimney pot body includes a material storage portion and a connecting portion provided on an outer periphery of the material storage portion. A storage bin, the connecting portion is used to connect the shell, the heating component is connected to the storage portion, a heating compartment is formed in the heating component, and the heating compartment is in communication with the storage compartment, the The heating assembly is at least partially contained in the casing.

In one embodiment, the heating assembly includes a casing, a heating element, and a communication port provided on the casing. The heating chamber is formed in an inner cavity of the casing, and the heating element is disposed in the heating chamber. The communication port is in communication with the storage bin.

A heat-insulating member is provided between the casing and the heating element.

In one embodiment, a heat-insulating pipe is provided in the housing, and the heat-insulating pipe is provided between the housing and the heating component.

In one embodiment, the connecting portion is sleeved on the outer periphery of the storage portion.

In one embodiment, heat radiation fins are provided on an outer wall of the connection portion.

In one embodiment, an air inlet is provided on the connecting portion, a first air inlet channel is formed between the connecting portion and the storage portion, and the air inlet is connected to the first air inlet channel The first intake channel is in communication with the heating chamber.

In one of the embodiments, a second air intake passage is formed between the housing and the heating assembly, and the first air intake passage communicates with the heating chamber through the second air intake passage.

In one embodiment, a filter screen is provided at a connection between the heating bin and the storage bin.

In one embodiment, the smoke pot structure described in any one of the above is included.

The utility model has the following beneficial effects:

1. The utility model adopts non-contact conductive heating, which directly heats the air through the heating element, and then heats the tobacco leaf or the tobacco paste through the heated air; the heating efficiency is high, the heating speed is fast, and the tobacco leaf or the tobacco paste can be more efficiently The active ingredients are baked out to enhance the smoke taste; the overall structure is simple, easy to install and remove, and the cost is low.

2. The utility model utilizes the connection of the shell to the body of the smoke pot, completely separates the heating element from the shell, accumulates heat in the heating element, reduces the heat loss caused by the contact type heat conduction of the heating element, and improves the heating efficiency of the heating element. Reduce the heating speed of the accumulated heat of the shell, and improve the user's grip comfort.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic cross-sectional structure diagram of a flue-cured electronic cigarette according to the present invention;

2 is a schematic exploded structure diagram of the flue-cured electronic cigarette of FIG. 1;

3 is a front view of the flue-cured electronic cigarette of FIG. 1;

4 is a schematic diagram of an exploded structure of the flue-cured electronic cigarette of FIG. 3;

5 is a left side view of the flue-cured electronic cigarette of FIG. 3;

6 is a schematic diagram of an exploded structure of the flue-cured electronic cigarette of FIG. 5;

In the picture: 1, cigarette holder, 2, smoke pot body, 21, storage bin, 22, first air inlet channel, 23, air inlet, 24, cooling fins, 25, connection portion, 26, housing, 3, Compartment shell, 31, heating chamber, 32, heating element, 4, heat insulator, 5, battery assembly, 51, battery, 52, electrode contact, 53, electrode column, 54, second air inlet channel, 6, seal ring 7, insulation, 8, electrode holder, 9, heat insulation tube, 10, sealed silicone, 11, silicone protective sleeve, 12, first filter, 13, second filter, 14, switch button, 15, plus Minus key, 16, display.

detailed description

The following further describes the present utility model with reference to the drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and implement it, but the examples given are not intended to limit the present utility model.

1-2, this embodiment discloses a smoking pot structure. The smoking pot structure includes a smoking pot body 2, a heating assembly, and a casing 26. The smoking pot body 2 includes a material storage portion and a connection provided on an outer periphery of the material storage portion. The storage part 21 is formed with a storage silo 21 in the inner cavity of the storage part. The storage silo 21 is used to store tobacco leaves or tobacco paste. The connection part 25 is used to connect the outer shell 26. The heating component is connected to the storage part. The heating component forms a heating compartment 31. The heating bin 31 is located at the bottom of the storage bin, and the heating bin 31 is in communication with the storage bin 21. The heating assembly is at least partially contained in the casing 26. The heating component is used to heat the air. The heated air enters the storage bin 21 through the heating bin 31, and further heats the tobacco leaves or the tobacco paste in the storage bin 21.

In one of the embodiments, the material storage portion has a cylindrical structure, and a cylindrical material storage bin 21 is formed inside the material storage portion. The heating chamber 31 and the smoking pot structure may also adopt a cylindrical structure.

In one embodiment, the connecting portion 25 and the storage portion may adopt an integrated structure, or the connecting portion 25 may be sleeved on the outer periphery of the storage portion, or the connecting portion 25 and the outer periphery of the storage portion may be threaded to facilitate the connection. Replacement and removal.

In one embodiment, the heating assembly includes a tank shell 3, a heating element 32, and a communication port (not shown) provided on the tank shell 3. The communication port is used for gas circulation. The heating tank 31 is formed in the tank shell 3. The internal cavity, the heating element 32 is arranged in the heating bin 31, and the communication port is in communication with the storage bin 21. The upper end of the heating bin 31 is in communication with the storage bin 21, and the lower end is in communication with the outside air.

The storage case 3 may adopt a cylindrical structure, and the storage case 3 may be detachably connected to the storage part. For example, the storage case 3 and the storage part may be connected by threads, sockets or snap connections.

Specifically, when a threaded connection is used between the bin shell 3 and the storage part, an external thread is provided on the outer wall of the bin shell 3, and an internal thread is provided on the inner wall of the storage bin 21, and the external thread and the internal thread are screwed together.

In one of the embodiments, the casing 26 is detachably connected to the connecting portion 25 of the smoking pot body 2. For example, the casing 26 and the connecting portion 25 may be connected by threading or socketing. A seal ring is provided between the casing 26 and the connection portion 25 to avoid air leakage.

In one embodiment, an air inlet 23 is provided on the connecting portion 25. A first air inlet passage 22 is formed between the connecting portion 25 and the storage portion. The air inlet 23 is in communication with the first air inlet passage 22. The air passage 22 is in communication with the heating chamber 31.

Among them, after the external air enters the first intake passage 22 from the air inlet 23, it enters the heating chamber 31 from the bottom of the casing 3, and the heating element 32 heats the air, and the heated air enters the storage bin 21, and then The tobacco leaves or tobacco paste in the storage bin 21 are heated.

In addition, the air inlet 23 is located at the upper part of the heating chamber 31, so that cold air can enter the periphery of the heating chamber 31 through the first air inlet passage 22, and then enter the heating chamber 31 for heating, thereby improving heating efficiency.

In one of the embodiments, the heating element 32 includes a plurality of bent portions to increase its heating area to air and improve heating efficiency.

In one embodiment, the heating element 32 has a spiral shape.

In one embodiment, the heating element 32 is a heating wire, a heating tube or a heating sheet.

In one of the embodiments, a heat insulation member 4 is provided between the storage case 3 and the heating element 32 to avoid contact thermal conduction between the storage case 3 and the storage bin 21, and at the same time, the heat can be concentrated in the heating compartment 31 In addition, the heat loss is reduced, and the heating efficiency of the heating element 32 to the air is improved, thereby increasing the heating effect on the tobacco leaf or the tobacco paste.

In one embodiment, the heat insulator 4 may be one or more of mica or ceramics, which not only has better heat insulation and high temperature resistance effects, but also has better insulation characteristics.

In one of the embodiments, the warehouse shell 3 uses a poor thermal conductor. For example, the warehouse shell 3 may be a non-metal or one or more of steel, aluminum or copper with a higher specific heat capacity, which may be better in this respect. The ground prevents the heat of the heating chamber 31 from diffusing to the battery module 5, on the other hand, the heat can also be concentrated inside the casing 3, which is convenient to improve the heating efficiency of the heating element 32 for air.

In one embodiment, the outer wall of the connecting portion 25 is provided with heat dissipation fins 24 to enhance the heat dissipation of the outer wall of the smoke pot body 2. Further, in order to better enhance the heat dissipation of the outer wall, the connecting portion 25 may use a good thermal conductor, for example, a metal material with a lower specific heat capacity may be selected.

In one of the embodiments, the heating chamber 31 is housed in the casing 26, and a second air inlet passage 54 is formed between the casing 26 and the casing 3, and the first air passage 22 passes through the second air passage 54 and the heating chamber 31. It communicates with each other so that the outside air enters the first intake passage 22 from the intake port 23 and then enters the heating chamber 31 through the second intake passage 54.

In one of the embodiments, the smoke pot structure further includes a battery assembly 5 including a battery 51 and an electrode post 53 disposed in the housing 26, the battery 51 and the electrode post 53 are electrically connected, and the electrode post 53 and the electrode contact 52 are electrically connected. connection.

In one of the embodiments, an insulation member 7 and an electrode contact 52 are provided in the heating chamber 31. The electrode contact 52 is sleeved on the end of the casing 3 away from the storage bin 21, and the insulation member 7 is provided on the casing 3 and the electrode contact 52. In order to insulate the cartridge case 3 from the electrode contact 52. A vent hole (not shown) is provided on the side wall of the electrode contact 52. When the electrode contact 52 and the electrode column 53 are electrically connected, the second air inlet passage 54 communicates with the inner cavity of the casing 3 through the vent hole. An electrode holder 8 is provided in the casing 26, and an electrode post 53 is provided in the electrode holder 8. The electrode holder 8 is made of an insulating material, such as plastic or silicone.

In one embodiment, one end of the heating element is electrically coupled to one of the positive or negative electrode of the battery 51 through the casing 3, the smoking pot body 2 connected to the casing 3, and the casing 26 connected to the smoking pot body 2 in this order. The other end of the heating assembly is electrically coupled to the other of the positive electrode or the negative electrode of the battery 51 through the electrode contact 52 and the electrode post 53 in this order.

In one of the embodiments, a heat-insulating tube 9 is provided in the casing 26, and the heat-insulating tube 9 is disposed between the casing 26 and the heating component. A heating chamber 31 is provided in the heat insulation tube 9. The heat insulation tube 9 has better insulation and heat insulation characteristics, and can prevent the heat of the heating chamber 31 from diffusing to the battery module 5, thereby ensuring the use effect and the service life of the battery module 5. In one embodiment, the heat-insulating tube 9 is a glass tube.

Further, two ends of the heat-insulating tube 9 abut against the outer casing 26 and the electrode holder 8 respectively, and a sealing silica gel 10 is provided at a connection between the heat-insulating tube 9 and the outer casing 26 to improve gas tightness.

In one of the embodiments, the outer casing 26 uses a poor thermal conductor. For example, the outer casing 26 may be made of non-metal, or one or more of steel, aluminum, or copper with a higher specific heat capacity. The waste heat of the body 2 is transmitted to the casing of the battery module 5, on the other hand, the heat of the heating chamber 31 can be better prevented from being diffused to the battery module 5 through the casing 26, and it is also beneficial to improve the user's holding comfort during use. In addition, the heating chamber 31 is separated from the battery module 5 by air, which can further prevent the heat of the heating chamber 31 from diffusing to the battery module 5.

In one embodiment, a silicone protective sleeve 11 is sleeved on the outside of the casing 26.

In one of the embodiments, a first filter screen 12 is disposed on the storage silo 21 and the heating silo 31 communicates with each other.

This embodiment also discloses an electronic cigarette with flue-cured tobacco. Referring to FIG. 3 to FIG. 6, it includes the smoking pot structure described in any one of the above, and the cigarette holder 1 connected to the smoking pot structure. The cigarette holder 1 and the storage bin 21 are connected. through.

In one of the embodiments, a second filter screen 13 is provided on the cigarette holder 1 to communicate with the storage bin 21 to filter the smoke flowing out of the storage bin 21.

The cigarette holder 1 can be made of plastic material, and the cigarette holder 1 is sleeved on the upper part of the smoking pot body 2.

In one embodiment, the flue-cured tobacco electronic cigarette further includes a controller and a temperature sensing element. Both the temperature sensing element and the battery assembly 5 are electrically connected to the controller. The temperature sensing element may be disposed near the heating element 32. The temperature sensing element is used for induction heating. The temperature of the element 32 changes and is fed back to the controller. Further, the heating element 32 has a resistance temperature coefficient characteristic. That is, the controller, the temperature sensing element, the heating element 32 and the battery assembly 5 together constitute a temperature control system, and the temperature control system adopts a TCR (Resistance Temperature Coefficient) mode for temperature control.

Further, referring to FIGS. 3-4, the surface of the flue-cured electronic cigarette is provided with a switch button 14 and an addition / subtraction button 15, the switch button 14 is used to start or stop heating, and the addition / subtraction button 15 is used to control the heating temperature of the heating element 32 That is, the heating temperature of the heating element 32 is increased or decreased by adding or subtracting the button 15. The surface of the flue-cured electronic cigarette is further provided with a display screen 16 for displaying working information of the electronic cigarette.

The switch button 14, the plus / minus button 15, and the display screen 16 are all electrically connected to the controller.

When the flue-cured electronic cigarette is in use, referring to FIG. 1, after the external air enters the first intake passage 22 from the air inlet 23, it flows into the second intake passage 54 outside the heating compartment 31, and then enters from the bottom of the casing 3 The heating chamber 31 is heated by the heating element 32 and enters the storage bin 21, so as to convectively heat the tobacco leaves or the tobacco paste in the storage bin 21, and the smoke generated by the heating evaporation flows out through the cigarette holder 1 for inhalation. The air flow direction in this process is the direction of the arrow in FIG. 1.

The smoke pot body 2 of this embodiment is provided separately from the heating element 32, and adopts non-contact conductive heating, that is, the air is directly heated by the heating element 32, and the tobacco leaf or the tobacco paste is heated by the heated air; this method has high heating efficiency. , The heating speed is fast, and the effective ingredients of the tobacco leaves or tobacco paste can be baked out more effectively, which improves the smoke taste; the overall structure is simple, easy to install and disassemble, and the cost is low.

The smoke pot body 2 of this embodiment is connected to the casing 26, completely separates the heating component from the casing 26, and accumulates heat in the heating component, reduces heat loss caused by the thermal conduction of the thermal component and improves the heating efficiency of the heating component. At the same time, the temperature rising speed of the heat accumulated in the casing 26 is significantly reduced, and the user's holding comfort is improved.

The above-mentioned embodiments are merely preferred embodiments for fully explaining the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or changes made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of this utility model is subject to the claims.

Claims

A smoking pot structure, characterized in that the smoking pot structure includes a smoking pot body, a heating component, and a shell. The smoking pot body includes a material storage portion and a connecting portion provided on an outer periphery of the material storage portion. A storage bin is formed in the cavity, the connection portion is used to connect the shell, the heating component is connected to the storage portion, a heating compartment is formed in the heating component, and the heating compartment is connected to the storage compartment The heating assembly is at least partially contained in the casing.
The smoke pot structure according to claim 1, wherein the heating component comprises a bin shell, a heating element, and a communication port provided on the bin shell, the heating bin is formed in an inner cavity of the bin shell, and The heating element is arranged in the heating bin, and the communication port is in communication with the storage bin.
The smoke pot structure according to claim 2, wherein a heat insulation member is provided between the storage case and the heating element.
The smoke pot structure according to claim 1, wherein a heat-insulating pipe is disposed in the housing, and the heat-insulating pipe is disposed between the housing and the heating component.
The smoking pot structure according to claim 1, wherein the connecting portion is sleeved on the outer periphery of the storage portion.
The smoke pot structure according to claim 1, wherein heat radiation fins are provided on an outer wall of the connecting portion.
The smoke pot structure according to claim 1, wherein an air inlet is provided on the connecting portion, and a first air inlet passage is formed between the connecting portion and the storage portion, and the air inlet and the The first intake passage is in communication, and the first intake passage is in communication with the heating chamber.
The smoke pot structure according to claim 7, wherein a second air inlet passage is formed between the casing and the heating component, and the first air inlet passage passes through the second air inlet passage and the The heating chambers are connected.
The smoke pot structure according to claim 1, wherein a filter screen is provided at a connecting place between the heating bin and the storage bin.
An electronic cigarette with flue-cured tobacco, characterized in that it comprises the smoking pot structure according to any one of claims 1-9.