CN112704262A - Closed heating non-combustion cigarette and assembly - Google Patents
Closed heating non-combustion cigarette and assembly Download PDFInfo
- Publication number
- CN112704262A CN112704262A CN202010241686.9A CN202010241686A CN112704262A CN 112704262 A CN112704262 A CN 112704262A CN 202010241686 A CN202010241686 A CN 202010241686A CN 112704262 A CN112704262 A CN 112704262A
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- heating
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/008—Cigars; Cigarettes dividable
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
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- Manufacture Of Tobacco Products (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The utility model provides a closed heating does not burn cigarette and subassembly, includes closed heating does not burn cigarette and heating smoking set, and closed heating does not burn cigarette cartridge and heats the smoking set and carry out the smoking during use, and the characteristic is: the closed type heating non-combustible cigarette comprises a tobacco rod, a hollow smoke extraction cone, a smoke transmission pipe and a filter tip, wherein each part is sequentially abutted and wrapped by an external rolling material, and the side wall of the smoke transmission pipe is provided with at least one through hole which penetrates through the external rolling material; the heating smoking set comprises a heating section, a cover cap and a sealing ring, wherein a cigarette accommodating cavity and a heating element are arranged in the heating section, and the inner cavity of the cover cap is of a gradually expanding structure. The invention has the advantages that: air does not flow through the tobacco section, so that the oxygen content of the tobacco section can be reduced, and the heating temperature is greatly increased; the sealed structure is adopted, so that no tobacco residue falls off, and the smoking set does not need to be cleaned frequently; the aroma components in the tobacco are released more fully, the sustained release is easy, the taste is closer to that of the traditional tobacco, and the traditional tobacco is easier to accept by traditional smokers.
Description
Technical Field
The invention belongs to the field of heating non-combustion tobacco products, and particularly relates to a closed heating non-combustion cigarette and a component.
Background
Traditional tobacco has been in the past for centuries and has been incorporated into the lives of most smokers. In recent years, along with the improvement of living standard of people, the problems of smoking, health, harm of second-hand smoke and the like are more and more emphasized by people, and the harmfulness brought by the traditional tobacco products is more and more prominent. Meanwhile, with the implementation of WHO tobacco control framework convention, especially the gradual expansion of smoking ban in public places of all countries in the world, the development environment of tobacco products has been changed significantly and profoundly, and the structure of tobacco products is being adjusted rapidly towards the development direction of diversification and no smoke. (the crowning, li baojiang, handong, new tobacco development of the world [ J ]. chinese tobacco, 2014 (3): 38.) the new tobacco products are gradually becoming the realistic choice for the large transnational tobacco enterprises to deal with the sales of the traditional tobacco products. (Liu ya Li, Wang jin Jiang, Zheng Xin Chao, etc.. heating non-combustible tobacco products development status and prospect [ J ]. Chinese tobacco academic newspaper, 2018,24(4))
At present, most of the non-combustible heating cigarettes adopt air as a carrier of smoke, in order to ensure that the tobacco is not combusted, the applied heating temperature is usually lower and generally does not exceed 300 ℃, compared with the traditional cigarette, the tobacco aroma components of the novel non-combustible heating cigarette are difficult to completely release, and the smoke quantity is insufficient, so that the cigarette is difficult to be accepted by traditional smokers. In addition, in order to ensure air circulation, most of the tobacco ends of the cigarettes which are not heated and combusted are in an open structure, namely, the cut tobacco or the reconstituted tobacco sheets are directly exposed outside or are connected with the outside atmosphere through a certain airflow channel, and tobacco residues can drop off and easily pollute the smoking set in the process of pulling out the cigarettes after smoking is finished, so that the smoking set is cleaned by the tobacco in time after the tobacco is used for a period of time.
If a closed cigarette structure is adopted, the oxygen content is reduced along with the heating process (due to the replacement effect of fresh smoke on the internal atmosphere), at the moment, even if the heating temperature is increased, the combustion phenomenon can not occur, and meanwhile, the situation that the tobacco residues fall to pollute the smoking set can not occur. However, closed cigarette smoke migration would be difficult because no carrier gas is flowing through the tobacco.
The coanda effect, also known as coanda effect or coanda effect, means that when a fluid flows over a surface of an object, the flow of the fluid water or air tends to move away from the original direction of flow instead following the surface of the protrusions due to the surface friction. The venturi phenomenon is a phenomenon in which low pressure is generated in the vicinity of a fluid flowing at a high speed, thereby generating an adsorption effect. By utilizing the coanda effect, air entering the small hole can flow along the surface of the hollow smoke extraction cone; due to the venturi phenomenon, the gas flowing along the surface of the extraction cone at high speed forms a negative pressure area at the opening of the extraction cone. By utilizing the coanda effect and the Venturi phenomenon, concentration difference and air pressure difference can be formed inside and outside the sealed tobacco section, and then fresh smoke generated by the tobacco section is extracted by utilizing active diffusion of air.
Disclosure of Invention
The invention aims to solve the problems of most of the cigarettes which are heated and not combusted in the background, and discloses a closed type heated and not combusted cigarette and a component.
A closed type heating non-combustion cigarette comprises a tobacco rod, a hollow smoke extraction cone, a smoke transmission pipe, a functional filter tip and an external rolling material. Wherein the tobacco rod, the hollow smoke extraction cone, the smoke transmission pipe and the functional filter tip are sequentially abutted and wrapped by an external wrapping material.
The circumference and/or the upstream end face of the tobacco rod are wrapped by a paper base or a foil base material with air impermeability or controllable air permeability to form a closed system.
The hollow smoke extraction cone comprises a cylindrical base and a tapered cone and is provided with a tapered cavity; the tapered cone is provided with a tapered hole on the cone top and/or the side wall.
The circumferential side wall of the smoke conveying pipe is provided with at least one through hole and penetrates through the outer rolling material. Preferably, the axial distance from the through hole to the bottom surface of the cone is smaller than the axial distance from the taper hole to the bottom surface of the cone;
and an inserting sealing structure is arranged between the hollow smoke extraction cone and the smoke transmission pipe.
Preferably, the tobacco rod comprises cut tobacco, tobacco flakes, tobacco particles, tobacco extruded shapes or tobacco containing gels.
The outer wrapping material can be common cigarette paper, tipping paper, and heat-resistant and air-impermeable thin material, such as Polytetrafluoroethylene (PTFE), polyether ether ketone (PEEK) resin, and silica gel.
The number of the through holes on the flue gas conveying pipe is inversely proportional to the aperture.
A closed heating non-combustion cigarette component comprises the closed heating non-combustion cigarette and a closed heating smoking set.
The closed heating smoking set comprises a heating section, and the heating section comprises a cigarette accommodating cavity.
The cigarette containing cavity is internally provided with heating elements on the circumferential side wall and/or the bottom surface, and is characterized in that when the closed type heating non-combustible cigarette is inserted, the circumferential part or the circumferential part of the closed type heating non-combustible cigarette is completely wrapped by the tobacco rod.
The closed heating smoking set also comprises a cover cap, the cover cap and the heating section are directly detachably connected with each other or detachably connected through a sealing ring, and the cover cap is provided with a gradually-expanding inner cavity.
The divergent inner cavity of the cap is in a truncated cone shape, the vertex angle of the cone is not more than 10 degrees, and the smaller inner diameter end of the cap is directly or indirectly detachably connected with the heating section.
The use mode or process of the invention is as follows: the heating smoking set cap is taken down firstly, the sealed type heating non-combustible cigarette is inserted, then the cap is installed back and locked, and the heating is started while the cap is locked. During suction, air firstly enters a space between the cap and the cigarette, then enters the smoke transmission pipe through the through hole on the smoke transmission pipe of the closed heating non-combustible cigarette and is sprayed to the surface of the extraction cone, and negative pressure is formed at the cone hole due to the Venturi effect and the coanda effect; heating the tobacco rod creates a positive pressure in the tobacco rod portion; the existence of positive negative pressure difference and flue gas concentration difference can lead to the initiative diffusion of flue gas, therefore the flue gas flows out from the taper hole, gets into the oral cavity through flue gas conveying pipe inner chamber and filter tip. The flue gas transmission pipe has the dual functions of flue gas extraction and flue gas cooling. The smoking resistance of the cigarette can be adjusted by changing the diameter and the position of the through hole on the wall of the smoke extraction cavity (namely the smoke transmission pipe) of the closed heating non-burning cigarette.
The invention has the advantages that: 1. the air does not flow through the tobacco section, and the oxygen content of the tobacco section can be reduced, so that the heating temperature can be greatly increased; 2. the sealed structure is adopted, so that no tobacco residue falls off, and the smoking set does not need to be cleaned frequently; 3. the aroma components in the tobacco are released more fully, the sustained release is easy, the taste is closer to that of the traditional tobacco, and the traditional tobacco is easier to accept by traditional smokers.
Drawings
FIG. 1 is a schematic view of the whole structure of a sealed heating non-combustion cigarette assembly,
figure 2 is an axial cross-sectional view of a closed heat non-burning cigarette assembly,
in fig. 1 and 2: 1. a closed type heating non-combustion cigarette, 2, a heating smoking set.
Figure 3 is an axial cross-section of a closed heated non-burning cigarette,
FIG. 4 is an exploded view of a sealed type cigarette to be assembled with heating and non-burning
In fig. 3 and 4: 1-1, tobacco rod; 1-2 parts of an extraction cone, 1-2-1 parts of a cylindrical base, 1-2-2 parts of a cone, 1-2-2-1 parts of a taper hole, 1-2-3 parts of a tapered cavity; 1-3 parts of a smoke conveying pipe, 1-4 parts of a filter tip, 1-5 parts of an external rolling material.
FIG. 5 is a schematic view of a hollow smoke extraction cone,
figure 6 is an axial cross-section of a hollow flue gas extraction cone,
in fig. 5 and 6: 1-2-1, a cylindrical base, 1-2-2, a cone, 1-2-2-1, a taper hole, 1-2-3 and a tapered cavity.
Figure 7 is an axial cross-section of a heating smoking article,
figure 8 is an exploded view of the heating smoking article to be assembled,
in fig. 7 and 8: 2-1, a heating section, 2-1-1, a cigarette accommodating cavity, 2-1-2 and a heating element; 2-2 parts of sealing ring, 2-3 parts of cover cap, 2-3-1 parts of divergent inner cavity.
FIG. 9 is an axial sectional view of the hollow smoke extraction cone (with a cone hole on the side wall of the cone),
in the figure: 1-2-2-1, a taper hole, 1-2-3 and a tapered cavity.
Detailed Description
The invention further describes a closed type heating non-combustion cigarette and a component thereof by combining the attached drawings:
example 1
A closed type heating non-combustion cigarette comprises a tobacco rod (1-1), a hollow smoke extraction cone (1-2), a smoke transmission pipe (1-3), a functional filter tip (1-4) and an external rolling material (1-5). Wherein the tobacco rod (1-1), the hollow smoke extraction cone (1-2), the smoke transmission pipe (1-3) and the functional filter tip (1-4) are abutted in sequence and are wrapped by external wrapping materials (1-5). (as shown in FIG. 4)
The circumference and/or the upstream end face of the tobacco rod (1-1) are wrapped by a paper base material or a foil base material with air impermeability or controllable air permeability to form a closed system.
The hollow smoke extraction cone (1-2) comprises a cylindrical base (1-2-1) and a tapered cone (1-2-2), and is provided with a tapered cavity (1-2-3) (as shown in figure 3); the tapered cone (1-2-2) is provided with a taper hole (1-2-2-1) on the cone top and/or the side wall (as shown in figures 3, 5, 6 and 9).
The circumferential side wall of the smoke conveying pipe (1-3) is provided with at least one through hole (1-3-1) and penetrates through the outer rolling material (1-5). Preferably, the axial distance of the through hole (1-3-1) from the bottom surface of the cone is smaller than the axial distance of the taper hole (1-2-2-1) from the bottom surface of the cone (1-2-2). (as shown in FIG. 3)
And an inserting sealing structure is arranged between the hollow smoke extraction cone (1-2) and the smoke transmission pipe (1-3).
Preferably, the tobacco rod (1-1) is a traditional tobacco or reconstituted tobacco lamina base.
The outer tipping materials (1-5) may be both plain cigarette paper and tipping paper.
When a cigarette is wrapped up, the tobacco rod, the extraction cone and the smoke transmission pipe are connected together through the cigarette paper wrapping up, and then the tipping paper is connected with the filter tip wrapping up.
The extraction cone and the smoke transmission pipe are connected with each other in a sealing way through a boss and a clamping groove which are processed on the end faces of the extraction cone base and the smoke transmission pipe.
The ratio between the length of the cone and the length of the flue gas transport pipe is in the range of 1:3 to 1:6, preferably 1: 4. The appearance of the smoke extraction cone body can adopt a standard cone, and also can adopt a non-standard cone body with an inward concave or outward convex surface.
Example 2
A closed heating non-combustion cigarette component comprises the closed heating non-combustion cigarette and a closed heating smoking set (2).
The closed heating smoking set (2) comprises a heating section (2-1), and the heating section (2-1) comprises a cigarette accommodating cavity (2-1-1). (as shown in FIG. 7 and FIG. 8)
Heating elements (2-1-2) are arranged on the inner circumferential side wall and/or the bottom surface of the cigarette accommodating cavity (2-1-1) (as shown in figure 7), and when the closed type heating non-combustible cigarette is inserted, the cigarette rod is completely wrapped in the circumferential direction.
The closed heating smoking set (2) further comprises a cover cap (2-3), the cover cap (2-3) and the heating section (2-1) are directly detachably connected with each other or detachably connected through a sealing ring (2-2), and the cover cap (2-3) is provided with a gradually expanding inner cavity (2-3-1). (as shown in FIG. 7)
The divergent inner cavity (2-3-1) of the cover cap (2-3) is in a truncated cone shape, the conical vertex angle is not more than 10 degrees, and the smaller inner diameter end of the cover cap (2-3) is directly or indirectly detachably connected with the heating section (2-1).
The heating section, the sealing ring and the cap are coaxial, and the cap is connected with the heating section through threads.
The sealing ring can be embedded on the heating section through a groove machined on the end face of the heating section.
The heating section is heated electrically.
Example 3
The using mode of the invention is shown in fig. 1 and fig. 2, and the specific process is as follows: the heating smoking set cap is taken down firstly, the sealed type heating non-combustible cigarette is inserted, then the cap is installed back and locked, and the heating is started while the cap is locked. During suction, air firstly enters a space between the cap and the cigarette, then enters the smoke transmission pipe through the through hole on the smoke transmission pipe of the closed heating non-combustible cigarette and is sprayed to the surface of the extraction cone, and negative pressure is formed at the cone hole due to the Venturi effect and the coanda effect; heating the tobacco rod creates a positive pressure in the tobacco rod portion; the existence of positive negative pressure difference and flue gas concentration difference can lead to the initiative diffusion of flue gas, therefore the flue gas flows out from the taper hole, gets into the oral cavity through flue gas conveying pipe inner chamber and filter tip.
The flue gas transmission pipe has the dual functions of flue gas extraction and flue gas cooling. The smoke resistance of the cigarette can be adjusted by changing the diameter and the position of the through hole on the wall of the smoke extraction cavity (namely the smoke transmission pipe)) of the closed heating non-burning cigarette.
Claims (9)
1. A closed heating non-combustible cigarette is characterized in that: comprises a tobacco rod (1-1), a hollow smoke extraction cone (1-2), a smoke transmission pipe (1-3), a functional filter tip (1-4) and an external rolling material (1-5);
the tobacco rod (1-1), the hollow smoke extraction cone (1-2), the smoke transmission pipe (1-3) and the functional filter tip (1-4) are sequentially abutted and are wrapped by an external wrapping material (1-5);
the circumference and/or the upstream end face of the tobacco rod (1-1) are wrapped by a paper base or foil base material with air impermeability or controllable air permeability to form a closed system;
the hollow smoke extraction cone (1-2) comprises a cylindrical base (1-2-1) and a tapered cone (1-2-2), and is provided with a tapered cavity (1-2-3); the tapered cone (1-2-2) is provided with at least one tapered hole (1-2-2-1) at the cone top and/or the side wall;
the circumferential side wall of the flue gas conveying pipe (1-3) is provided with at least one through hole (1-3-1) and penetrates through the outer rolled material (1-5), and the axial distance from the through hole (1-3-1) to the bottom surface of the cone is smaller than the axial distance from the conical hole (1-2-2-1) to the bottom surface of the cone (1-2-2);
and an inserting sealing structure is arranged between the hollow smoke extraction cone (1-2) and the smoke transmission pipe (1-3).
2. The closed type heating non-combustible cigarette as claimed in claim 1, wherein: the tobacco rod (1-1) comprises tobacco shreds, tobacco flakes, tobacco particles, tobacco extrusion formed bodies or tobacco-containing gel bodies.
3. The closed type heating non-combustible cigarette as claimed in claim 1, wherein: the outer wrapping materials (1-5) can be common cigarette paper, tipping paper or heat-resistant and air-impermeable thin materials, such as Polytetrafluoroethylene (PTFE), polyether ether ketone (PEEK) resin and silica gel.
4. The closed type heating non-combustible cigarette as claimed in claim 1, wherein: the aperture of the through holes on the flue gas conveying pipe is inversely proportional to the number of the holes.
5. A closed heating non-burning cigarette assembly, characterized by comprising a closed heating non-burning cigarette and a closed heating smoking set (2) according to any one of the preceding claims 1 to 4.
6. The closed heating non-combustible cigarette component of claim 5, characterized in that: the closed heating smoking set (2) comprises a heating section (2-1), and the heating section (2-1) comprises a cigarette accommodating cavity (2-1-1).
7. A closed heating non-combustible cigarette assembly as in claim 5, characterized in that the closed heating smoking set (2) further comprises a cap (2-3), the cap (2-3) and the heating section (2-1) are detachably connected with each other directly or through a sealing ring (2-2), the cap (2-3) has a divergent inner cavity (2-3-1).
8. A closed heating non-burning cigarette assembly as claimed in claim 6, wherein the cigarette accommodating chamber (2-1-1) is provided with heating elements (2-1-2) at its inner circumferential side wall and/or bottom surface, wherein when said closed cigarette is inserted, it partially or completely wraps the tobacco rod in its circumferential direction.
9. A closed type heating non-combustible cigarette component as in claim 7, characterized in that the divergent inner cavity (2-3-1) of the cap (2-3) is in a truncated cone shape, the cone vertex angle is not more than 10 degrees, and the smaller inner diameter end of the cap (2-3) is directly or indirectly detachably connected with the heating section (2-1).
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CN201911021676 | 2019-10-25 |
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CN112704262B CN112704262B (en) | 2022-11-29 |
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Cited By (2)
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WO2022133982A1 (en) * | 2020-12-25 | 2022-06-30 | 中国烟草总公司郑州烟草研究院 | Sidewall-punctured heated tobacco product |
CN114739974A (en) * | 2022-03-23 | 2022-07-12 | 厦门大学 | Method for detecting novel coronavirus SARS-CoV-2 antigen by two-dimensional plane combined SERS |
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WO2022133982A1 (en) * | 2020-12-25 | 2022-06-30 | 中国烟草总公司郑州烟草研究院 | Sidewall-punctured heated tobacco product |
CN114739974A (en) * | 2022-03-23 | 2022-07-12 | 厦门大学 | Method for detecting novel coronavirus SARS-CoV-2 antigen by two-dimensional plane combined SERS |
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