CN111955798A

CN111955798A - Tobacco smoking device

Info

Publication number: CN111955798A
Application number: CN202010942234.3A
Authority: CN
Inventors: 张和平; 邓玉睿; 程旭东; 王成虎
Original assignee: China Tobacco Anhui Industrial Co Ltd; Institute of Advanced Technology University of Science and Technology of China
Current assignee: China Tobacco Anhui Industrial Co Ltd; Institute of Advanced Technology University of Science and Technology of China
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-11-20

Abstract

The invention discloses a tobacco smoking device, which comprises a shell, a tobacco cartridge chamber, a combustion chamber, a fuel bin and a heat transfer piece, wherein the shell is internally provided with an installation cavity and is provided with a smoking port; the cigarette cartridge chamber is arranged in the mounting cavity and is detachably connected with the shell, the cigarette cartridge chamber is used for storing cigarette cartridges, and the cigarette cartridge chamber is communicated with the suction port; the combustion chamber is arranged in the mounting cavity and is arranged at intervals with the smoke cartridge chamber; a storage cavity for storing fuel is formed in the fuel bin, and the fuel bin is detachably connected with the shell and is communicated with the combustion chamber; one end of the heat transfer member is connected to the combustion chamber and the other end of the heat transfer member is inserted into the cartridge chamber to contact the cartridges of the cartridge chamber. In the technical scheme of the invention, the heat transfer piece is inserted into the smoke cartridge for heating, so that the heat loss is reduced; the smoke chamber and the shell are detachably connected to reduce heat transfer and prevent the temperature on the shell from being too high; and can dismantle the back with the cigarette bullet room after the use and carry out all-round cleanness, or use disposable to replace, keep the taste that the cigarette bullet used.

Description

Tobacco smoking device

Technical Field

The invention relates to the field of tobacco products, in particular to a tobacco smoking device.

Background

Conventional tobacco is typically ignited by a lighter or other igniter to produce an aerosol containing nicotine for the consumer to smoke. However, related studies have shown that the smoke generated by the combustion of tobacco contains various carcinogens and a great amount of other harmful substances, so that consumers can affect their health when inhaling the aerosol. Therefore, there is a market for smoking devices that heat a cartridge or other aerosol-generating article by low-temperature roasting, and that can effectively reduce the content of harmful substances contained in the aerosol, while producing an aerosol containing nicotine to satisfy consumers.

However, the cavity of the smoking device for placing the cigarette cartridge is difficult to clean, and the odor is easily generated to damage the taste of the cigarette cartridge after long-term storage, so that poor use experience is brought to a user.

Therefore, there is a need to provide a new tobacco smoking device to solve the above technical problems.

Disclosure of Invention

The invention mainly aims to provide a tobacco smoking device, and aims to solve the problems that a cavity of a cigarette bullet is difficult to clean, peculiar smell is easily generated after long-term storage, and the taste of the cigarette bullet is damaged.

In order to achieve the purpose, the tobacco smoking device provided by the invention comprises a shell, a tobacco cartridge chamber, a combustion chamber, a fuel bin and a heat transfer piece, wherein an installation cavity is formed in the shell, and a smoking opening is formed in the shell; the cigarette bullet chamber is arranged in the mounting cavity and is detachably connected with the shell, the cigarette bullet chamber is used for storing cigarette bullets, and the cigarette bullet chamber is communicated with the suction port; the combustion chamber is arranged in the mounting cavity and is arranged at intervals with the smoke cartridge chamber; a storage cavity for storing fuel is formed in the fuel bin, and the fuel bin is detachably connected with the shell and is communicated with the combustion chamber; one end of the heat transfer member is connected to the combustion chamber and the other end of the heat transfer member is inserted into the cartridge chamber to contact the cartridge of the cartridge chamber.

Preferably, a catalyst is provided within the combustion chamber to provide flameless combustion of the fuel within the combustion chamber.

Preferably, a carrier is further arranged in the combustion chamber, the carrier is of a porous structure, and the catalyst is loaded on the carrier.

Preferably, the heat transfer member is a rod-shaped structure, one end of the heat transfer member is connected with the combustion chamber, the other end of the heat transfer member forms a needle head part, and a high heat conduction coating is attached to the outer wall surface of the heat transfer member.

Preferably, the tobacco smoking device further comprises a heat collecting piece, a connecting pipe and a fuel conveying pipe which are sequentially communicated, the combustion chamber is formed in the heat collecting piece, an air outlet communicated with the combustion chamber is formed in the heat collecting piece, an air inlet is formed in the connecting pipe, and the shell is provided with a ventilation hole.

Preferably, an isolation net is arranged at the suction port.

Preferably, a heat insulation piece is arranged in the installation cavity, and the heat insulation piece is positioned between the smoke cartridge chamber and the heat collection piece.

Preferably, one end of the cartridge chamber is in threaded connection with the housing and is in communication with the suction port, and a gap is provided between the other end of the cartridge chamber and the thermal insulation member.

Preferably, the heat collecting member and the heat transfer member are of an integrally molded structure.

Preferably, the tobacco smoking device further comprises a flow adjusting part, the flow adjusting part is arranged at one end, far away from the shell, of the fuel bin, the flow adjusting part is in transmission connection with the fuel conveying pipe, the flow adjusting part is in rotation connection with the fuel bin, and the flow adjusting part rotates relative to the fuel bin to adjust the conveying amount of the fuel conveying pipe.

Preferably, the tobacco smoking device further comprises an ignition part, the ignition part is arranged on the shell or the fuel bin, and the ignition part is electrically connected to the combustion chamber to ignite the fuel in the combustion chamber.

Preferably, the ignition piece is a piezoelectric ceramic electric spark igniter or continuous electric pulse ignition, and the ignition piece forms a touch sensing sheet on the outer wall of the fuel bin; the tobacco smoking device further comprises a switch, wherein the switch is used for controlling the connection and disconnection between the combustion chamber and the fuel bin and controlling the starting and the closing of the ignition piece.

Preferably, set up on the casing with the observation window of installation cavity intercommunication, the outer wall of cigarette bullet room corresponds the position of observation window is equipped with temperature warning piece, temperature warning piece is used for sending out warning signal according to the intracavity temperature of cigarette bullet room.

Preferably, the temperature warning piece is a temperature-sensitive color-changing layer coated outside the cartridge chamber.

According to the technical scheme, the smoke cartridge is placed in the smoke cartridge chamber, fuel is stored in the storage chamber, when the smoke cartridge is used, the fuel in the storage chamber can be conveyed into the combustion chamber and is combusted in the combustion chamber to generate high temperature, the heat transfer member is inserted into the smoke cartridge to transfer the high temperature generated by the combustion of the fuel in the combustion chamber to the smoke cartridge, the smoke cartridge generates breathable gas under the action of the high temperature, and a user sucks the breathable gas generated by the smoke cartridge from the suction port on the shell. Therefore, the heat transfer piece heats the interior of the smoke cartridge, and the heat loss is effectively reduced; the cartridge chamber is detachably connected with the shell, so that heat transfer between the cartridge chamber and the shell can be reduced, and the situation that the temperature on the shell is too high to influence the holding and suction experience of a user is prevented; and can dismantle the back with the cartridge room after the use and clean, or use disposable to replace to realize the all-round cleanness to the cartridge room, keep the taste that the cartridge used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of the construction of a tobacco smoking device in accordance with an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a tobacco smoking device in accordance with an embodiment of the present invention;

fig. 3 is a schematic view of the structure of a heat collecting member, a connecting pipe, and a fuel delivery pipe in an embodiment of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 and fig. 2, in an embodiment of the present invention, a tobacco smoking device 100 includes a housing 1, a cartridge chamber 2, a combustion chamber 3, a fuel bin 4, and a heat transfer member 5, wherein the housing 1 has a mounting cavity 11 therein, and the housing 1 has a smoking opening 12; the cartridge chamber 2 is arranged in the mounting cavity 11 and is detachably connected with the shell 1, the cartridge chamber 2 is used for storing cartridges, and the cartridge chamber 2 is communicated with the suction port 12; the combustion chamber 3 is arranged in the installation cavity 11 and is arranged at intervals with the smoke chamber 2; a storage cavity 41 for storing fuel is formed in the fuel bin 4, and the fuel bin 4 is detachably connected with the shell 1 and is communicated with the combustion chamber 3; one end of the heat transfer member 5 is connected to the combustion chamber 3, and the other end of the heat transfer member 5 is inserted into the cartridge chamber 2 to be in contact with the cartridge of the cartridge chamber 2.

In the technical scheme, the cartridge chamber 2 is used for placing cartridges, the storage chamber 41 stores fuel, when the device is used, the fuel in the storage chamber 41 can be conveyed into the combustion chamber 3 and is combusted in the combustion chamber 3 to generate high temperature, the heat transfer member 5 is inserted into the cartridges to transfer the high temperature generated by the combustion of the fuel in the combustion chamber 3 to the cartridges, the cartridges generate breathable gas under the action of the high temperature, and a user sucks the breathable gas generated by the cartridges from the suction port 12 on the shell 1. Therefore, the heat transfer member 5 heats the interior of the smoke cartridge, and the heat loss is effectively reduced; moreover, as the cartridge chamber 2 is detachably connected with the shell 1, the heat transfer between the cartridge chamber 2 and the shell 1 can be reduced, and the situation that the holding and suction experience of a user is influenced due to overhigh temperature on the shell 1 is prevented; and can dismantle the back with cartridge chamber 2 after the use and clean, or use disposable to replace to realize the all-round cleanness to cartridge chamber 2, keep the taste that the cartridge used.

In one embodiment, a catalyst is provided within the combustion chamber 3 to provide flameless combustion of the fuel within the combustion chamber 3. The fuel is subjected to low-temperature flameless catalytic combustion by using the catalyst, so that the fuel is fully combusted. Specifically, a carrier 71 is further provided in the combustion chamber 3, the carrier 71 is a porous structure, and the catalyst is supported on the carrier 71. By providing the carrier 71 having a porous structure, the contact surface between the fuel and the catalyst is increased, and the catalytic combustion of the fuel is further ensured to be sufficiently performed. The catalyst can be one of noble metal catalyst, transition metal hydride catalyst and double oxide catalyst, the noble metal catalyst comprises noble metal hydrocarbon such as platinum, palladium, ruthenium and the like and derivatives thereof; transition metal hydride catalysts include egMnOx, CoOx, CuOx, and the like; the double oxide catalyst includes a perovskite type double oxide spinel type double oxide. The carrier 71 may be selected from a metal carrier or a ceramic carrier. The metal carrier 71 catalyst is generally formed by making a metal into a mesh or a belt and then depositing an active component thereon. The metal carrier catalyst has good heat conducting performance and high mechanical strength, and the ceramic material is silicon-aluminum oxide. The surface area of the granular carrier is large, and the mechanical strength of the honeycomb carrier is high, and the honeycomb carrier is wear-resistant and heat-resistant.

The heat transfer member 5 is a rod-shaped structure, one end of the heat transfer member 5 is connected with the combustion chamber 3, the other end forms a needle head part 51, and the outer wall surface of the heat transfer member 5 is attached with a high heat conduction coating. The end of the heat transfer member 5 remote from the combustion chamber 3 forms a tip segment 51 to facilitate insertion of the heat transfer member 5 into the cartridge, increasing the contact area of the heat transfer member 5 with the cartridge.

Referring to fig. 3, the tobacco smoking device 100 further includes a heat collecting member 61, a connecting pipe 62 and a fuel conveying pipe 63 which are sequentially communicated, a combustion chamber 3 is formed in the heat collecting member 61, an air outlet 611 which is communicated with the combustion chamber 3 is formed on the heat collecting member 61, an air inlet 621 is formed on the connecting pipe 62, and the ventilation hole 13 is formed on the housing 1. The fuel in the fuel bin 4 enters the combustion chamber 3 through the fuel conveying pipe 63, the fuel generates a venturi effect in the process of flowing to the combustion chamber 3, the fuel flows at a high speed at the position with the smallest aperture to generate low pressure, the fuel has an adsorption effect, the surrounding air enters from the air inlet hole 621 to form mixed gas, the mixed gas enters the combustion chamber 3 to contact with a catalyst, flameless catalytic combustion is generated, and the gas generated by combustion is discharged from the air outlet 611.

In the preferred embodiment, the heat collecting member 61 is of an integrally formed structure with the heat transfer member 5. This concentrates more heat to the heat transfer member 5 and increases the efficiency of the heat transfer member 5 in heating the cartridge. An isolation mesh 84 may be provided at the ventilation port. The installation cavity 11 is provided with the separation net 84, so that gas exchange with the outside is realized, and meanwhile, a user is prevented from contacting the combustion chamber 3 or the cartridge chamber 2, and the user is prevented from being scalded.

Preferably, the installation cavity 11 is provided with a heat insulation piece 72, and the heat insulation piece 72 is positioned between the smoke chamber 2 and the heat collection piece 61. The thermal shield 72 can accumulate heat on the heat transfer member 5 while preventing the cartridge from overheating. The heat insulator 72 is made of a material with low thermal conductivity and high temperature resistance, such as quartz glass, ceramic, etc. In the preferred embodiment, there is a gap between the thermal insulator 72 and the thermal transfer member 5 to ensure that the thermal transfer member 5 and the thermal insulator 72 do not contact.

One end of the cartridge chamber 2 is screwed to the housing 1 and communicates with the suction port 12, and a gap is provided between the other end of the cartridge chamber 2 and the heat insulator 72. The cigarette bullet chamber 2 and the threaded connection of casing 1, conveniently dismantle cigarette bullet chamber 2 and clean or change, have the clearance between cigarette bullet chamber 2 and the other end and the heat insulating part 72, and the user is when absorbing breathable gas, and outside air gets into in the cigarette bullet chamber 2 from the clearance between cigarette bullet chamber 2 and the heat insulating part 72.

In addition, the tobacco smoking device 100 further comprises a flow adjusting part 81, the flow adjusting part 81 is arranged at one end of the fuel bin 4 far away from the shell 1, the flow adjusting part 81 is in transmission connection with the fuel conveying pipe 63, the flow adjusting part 81 is in rotation connection with the fuel bin 4, and the flow adjusting part 81 rotates relative to the fuel bin 4 to adjust the conveying amount of the fuel conveying pipe 63. Realize adjusting fuel delivery pipe 63's aperture through rotating flow control spare 81 to adjust fuel delivery pipe 63 and carry to the fuel of combustion chamber 3, thereby realize the temperature control in suction process combustion chamber 3, avoid the not enough problem of aerial fog volume, and can the person of facilitating the use family carries out continuous suction, make suction device stronger to the suitability of cigarette bullet. The user can use flow control spare 81 to carry out temperature regulation to suction device according to the suction custom of oneself (like different suction frequency and single mouthful of suction volume), optimizes user experience. In a preferred embodiment, the flow regulator 81 may be arranged in an electronic gear type, with a "heating gear" and a "suction gear", which automatically jumps to the "suction gear" when the user sucks, rapidly heating the cartridge to generate breathable gas; when the user finishes pumping, the heating gear is automatically jumped to, the heat of the smoke bomb is preserved, the smoke bomb is in a heating state but can not generate breathable gas, the heating time can be shortened when the user sucks the smoke bomb next time, and the smoke bomb is heated rapidly so as to be convenient for the user to use.

The tobacco smoking device 100 further comprises an ignition element 82, the ignition element 82 being disposed on the housing 1 or the fuel cartridge 4, and the ignition element 82 being electrically connected to the combustion chamber 3 for igniting fuel in the combustion chamber 3. After the fuel is delivered to the combustion chamber 3, the initial ignition operation is performed through the ignition member 82, and after the ignition is successful, the fuel is subjected to low-temperature flameless catalytic combustion in the combustion chamber 3.

The ignition piece 82 is a piezoelectric ceramic spark igniter or continuous electric pulse ignition, and the ignition piece 82 forms a touch sensing sheet on the outer wall of the fuel bin 4; the tobacco smoking device 100 further comprises a switch 83, the switch 83 being used to control the connection and disconnection between the combustion chamber 3 and the fuel bin 4, and to control the activation and deactivation of the ignition element 82. The switch 83 controls the fuel delivery pipe 63 and the ignition member 82 at the same time, the switch 83 is turned on, the fuel in the fuel bin 4 can flow from the fuel delivery pipe 63 to the combustion chamber 3 to be released, meanwhile, the ignition member 82 is powered on, and at the moment, a user touches the touch sensing piece on the outer wall of the fuel bin 4 to trigger ignition. After ignition is successful, fuel is subjected to low-temperature flameless catalytic combustion in the combustion chamber 3, heat released by fuel combustion is transferred to the heat transfer member 5 through the heat collection member 61, and the heat transfer member 5 heats the smoke cartridge to realize a suction function.

An observation window communicated with the installation cavity 11 is formed in the shell 1, a temperature warning piece is arranged at the position, corresponding to the observation window, of the outer wall of the cigarette and bullet chamber 2, and the temperature warning piece is used for sending a warning signal according to the temperature in the cavity of the cigarette and bullet chamber 2. The temperature warning piece includes temperature detection end and warning end, and the temperature detection section is used for detecting the temperature in 2 cigarette bullet rooms, 2 wall temperature in cigarette bullet room or cigarette bullet temperature, and the warning end sends the warning signal according to the testing result of test end. As an embodiment, when the temperature in the heating chamber 13 reaches a value that can enable the cartridge to generate breathable gas, that is, when the user can perform suction, the temperature warning member sends a prompt signal to remind the user to perform suction, and when the fuel is about to be exhausted, the temperature starts to drop, and the temperature warning member sends a prompt message again to remind the user that suction is about to be finished.

Specifically, the temperature warning piece is a temperature-sensitive color-changing layer coated outside the cartridge chamber 2. The temperature-sensitive color-changing layer can change color at any time according to the temperature change of the wall surface of the cartridge chamber 2 so as to play a warning role. The temperature warning member may also warn by led or the like, vibration, sound, or the like.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A tobacco smoking device, comprising:

the suction device comprises a shell, a suction pipe and a suction pipe, wherein a mounting cavity is formed in the shell, and a suction port is formed in the shell;

the cigarette bullet chamber is arranged in the mounting cavity and is detachably connected with the shell, the cigarette bullet chamber is used for storing cigarette bullets, and the cigarette bullet chamber is communicated with the suction port;

the combustion chamber is arranged in the mounting cavity and is arranged at intervals with the smoke cartridge chamber;

the fuel bin is internally provided with a storage cavity for storing fuel, and the fuel bin is detachably connected with the shell and is communicated with the combustion chamber;

a heat transfer member having one end connected to the combustion chamber and the other end inserted into the cartridge chamber to contact a cartridge of the cartridge chamber.

2. The tobacco smoking apparatus of claim 1, wherein a catalyst is provided in the combustion chamber to provide flameless combustion of the fuel within the fuel in the combustion chamber.

3. The tobacco smoking apparatus of claim 2, wherein a carrier is further provided within the combustion chamber, the carrier being of a porous structure, the catalyst being supported on the carrier.

4. The tobacco smoking apparatus of claim 1, wherein the heat transfer member is a rod-shaped structure, one end of the heat transfer member is connected to the combustion chamber, the other end forms a needle head, and the outer wall surface of the heat transfer member is attached with a high thermal conductivity coating.

5. The tobacco smoking apparatus of claim 1, further comprising a heat collecting member, a connecting pipe and a fuel delivery pipe, which are sequentially connected, wherein the combustion chamber is formed in the heat collecting member, the heat collecting member is provided with an air outlet communicated with the combustion chamber, the connecting pipe is provided with an air inlet, and the housing is provided with an air vent.

6. The tobacco smoking apparatus of claim 5, wherein the suction opening is provided with an isolation mesh.

7. The tobacco smoking apparatus of claim 5, wherein a thermal insulator is disposed within the mounting cavity, the thermal insulator being positioned between the cartridge chamber and the heat collector.

8. The tobacco smoking apparatus of claim 7, wherein one end of the cartridge chamber is threaded into the housing and communicates with the suction opening, and wherein a gap is provided between the other end of the cartridge chamber and the insulation.

9. The tobacco smoking apparatus of claim 5, wherein the heat collection member is of unitary construction with the heat transfer member.

10. The tobacco smoking apparatus of claim 4, further comprising a flow regulating member, wherein the flow regulating member is disposed at an end of the fuel tank remote from the housing, and is drivingly connected to the fuel delivery pipe, and the flow regulating member is rotatably connected to the fuel tank, and rotates relative to the fuel tank to regulate the delivery amount of the fuel delivery pipe.

11. The tobacco smoking apparatus of any one of claims 1 to 10, further comprising an ignition member disposed on the housing or the fuel cartridge and electrically connected to the combustion chamber to ignite fuel therein.

12. The tobacco smoking apparatus of claim 11, wherein the ignition element is a piezo-ceramic spark igniter or a continuous electrical pulse ignition, the ignition element forming a touch sensitive strip on an outer wall of the fuel tank; the tobacco smoking device further comprises a switch, wherein the switch is used for controlling the connection and disconnection between the combustion chamber and the fuel bin and controlling the starting and the closing of the ignition piece.

13. The tobacco smoking device according to any one of claims 1 to 10, wherein the housing is provided with an observation window communicating with the installation cavity, and a temperature warning member is provided on an outer wall of the cartridge chamber at a position corresponding to the observation window, and the temperature warning member is configured to send a warning signal according to an inner temperature of the cartridge chamber.

14. The tobacco smoking apparatus of claim 13, wherein the temperature alert is a thermochromic layer applied to the exterior of the cartridge housing.