WO2018228131A1 - 通电加热装置及其应用、香烟、气溶胶生成装置和系统 - Google Patents
通电加热装置及其应用、香烟、气溶胶生成装置和系统 Download PDFInfo
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- WO2018228131A1 WO2018228131A1 PCT/CN2018/087550 CN2018087550W WO2018228131A1 WO 2018228131 A1 WO2018228131 A1 WO 2018228131A1 CN 2018087550 W CN2018087550 W CN 2018087550W WO 2018228131 A1 WO2018228131 A1 WO 2018228131A1
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- WIPO (PCT)
- Prior art keywords
- electric heating
- heating device
- cigarette
- tobacco material
- tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
Definitions
- the present application relates to an electric heating device for an aerosol-generating article and an application thereof, a cigarette, an aerosol generating device and a system having the electric heating device.
- the traditional electronic cigarette mainly consists of an atomizer, a battery unit and a cigarette holder.
- the battery unit supplies power to heat the heating wire of the atomizer.
- the heating wire is generally wrapped with an oil absorbing rope.
- the two ends of the oil absorbing rope are placed in the smoky oil cavity.
- the oil absorbing rope draws the smoky oil into the heating wire, and the heating wire temperature rises after heating.
- the smoke on the oil absorbing rope is volatilized by heat, forming smoke, and is sucked into the mouth of the smoker from the mouthpiece. Since there is no burning, the content of harmful substances such as carbon monoxide and tar is relatively small, which greatly reduces the harm of second-hand smoke.
- Low-temperature heating (rolling) cigarettes also known as heating non-combustion (rolling) cigarettes, are more common in the form of cigarettes.
- the following are collectively referred to as low-temperature heating fumes, which are different from conventional cigarettes that produce flue gas.
- the low-temperature heating smoke designed with the idea of “heating without burning” can make the tobacco leaf just heated enough to emit the taste without igniting the tobacco leaf.
- ordinary cigarettes produce a lot of harmful substances at high temperatures of 400 ° C to 1000 ° C, while low temperature heating smoke is below 400 ° C, and because many of the harmful substances in natural or synthetic tobacco products that have been heated have been Pre-processing and removal, resulting in a significant reduction in harmful substances in first-hand and second-hand smoke.
- an electric heating device also referred to as a heating member
- an electric heating device to provide an electric heating device, a cigarette, an aerosol generating device and system, such as an electronic cigarette or a low temperature heating cigarette.
- An energized heating device that coats a tobacco material, is coated with a tobacco material, and/or is placed in a tobacco material.
- An application of the above-described electric heating device is applied to an electrically heated cigarette, a hookah, a pipe or a medical cannabis heating device.
- a cigarette comprising a tobacco material and the electric heating device, the electric heating device covering the tobacco material, being coated with the tobacco material, and/or placed in the tobacco material.
- An aerosol generating device having a cavity for accommodating the cigarette and having a positive and negative power source for supplying power to the energized heating device of the cigarette.
- the aerosol generating device further comprises a voltage and/or current regulating device, and a power switch.
- An aerosol generating system comprising the cigarette.
- the aerosol generating system further comprises the aerosol generating device.
- An electronic cigarette or a low-temperature heating smoke comprising the tobacco material and the energized heating electric heating device.
- the material for preparing the electric heating device includes a derivative and/or a compound in which carbon is a part or all of a constituent element, or a metal, an alloy, and/or a metal compound which is energized and heated.
- the carbon and some or all of the constituents of the derivative and / or compound include carbon nanotubes, carbon nanotube film, graphene, carbon fiber, carbon fiber film, carbon film, carbon fiber cloth, carbon black, carbon black
- carbon powder activated carbon, porous carbon, mesocarbon microbeads, graphene, graphene oxide, reduced graphene oxide, graphene, and the like.
- the energized heat-generating metal comprises one or more of gold, silver, copper, aluminum, nickel, chromium, iron, and stainless steel; and the electrically-heated alloy and/or metal compound includes a nickel-chromium alloy, One or more of a metal oxide, an iron-chromium aluminum alloy, a palladium alloy, and an amorphous metal alloy.
- the electric heating device is in the form of a fiber, a column, a sheet or a film.
- the tobacco material is a solid, a liquid or a semi-solid.
- the film-like electric heating device is arranged to wind up a sheet-like spring structure, and the tobacco material is placed in a space of the winding sheet or carried on the surface of the winding sheet.
- the tobacco material is coated or disposed on the surface of the take-up sheet.
- the tobacco material may be coated or disposed as a layer of tobacco on the surface of the roll-in sheet.
- the film-like electric heating device is provided in a cylindrical or spherical shape, the tobacco material is placed inside the cylinder or the sphere, or is used to carry the tobacco material on the surface of the cylinder or sphere.
- the electric heating device is an electric heating cylinder, and the tobacco material is disposed inside the electric heating cylinder.
- the tobacco material is coated or disposed on the inner and/or outer walls of the cylinder or sphere.
- the tobacco material may be coated or provided as a layer of tobacco on the inner and/or outer walls of the cylinder or sphere.
- the tobacco material is provided in a cylindrical or spherical shape, or placed in a cylindrical or spherical container or accommodating space, and the film-like electric heating device is placed inside the cylinder or the sphere.
- the tobacco material and the electrically powered heating device together form a cylindrical or spherical structure.
- the film-shaped electric heating device is disposed in a concentric cylinder shape, and the tobacco material is disposed between the inner wall and the outer wall of the concentric cylinder, or is used to carry the tobacco material to the concentric circle On the wall of the barrel.
- the tobacco material is coated or disposed on the wall of the concentric cylinder.
- the tobacco material may be coated or provided as a layer of tobacco on the wall of the concentric cylinder.
- the film-like electric heating device is disposed in a sheet-like structure arranged side by side in parallel, the tobacco material is placed in a space between adjacent sheet-like structures, or used to carry the tobacco material in the same Said on the sheet structure.
- the tobacco material is coated or disposed on the surface of the sheet-like electric heating device.
- the tobacco material may be coated or disposed as a tobacco layer on the surface of the sheet structure.
- the film-like electric heating device is provided as a wavy sheet-like structure, and the tobacco material is in contact with the wavy sheet-like structure.
- the tobacco material is coated or disposed on the surface of the undulating sheet structure.
- the tobacco material may be coated or provided as a tobacco layer on the surface of the wavy sheet structure.
- the electric heating device After the positive and negative electrodes of the power source are connected to either end of the electric heating device, the electric heating device generates heat by resistance heating and/or infrared rays.
- the energized heating device adjusts the heating temperature through the voltage and/or current regulating device, and the power switch, and rapidly starts heating and stops heating.
- the material for preparing the electric heating device comprises a solid composite material, wherein the solid composite material may be composed of two or more materials having different physical and chemical properties, wherein one of the materials may be a metal-containing, a semiconductor, or a conductive material.
- a conductive substance of a polymer, an alloy or a carbon material, and other substances may include a resin, a rubber, a ceramic, a fiber, or a synthetic polymer compound.
- the polyimide heating film is also known as a polyimide film.
- the energized heating device comprises a powdered, platelet-shaped, small-grained or short-fiber-like electrically conductive heating material for mixing with the tobacco material and interconnecting to form a conductive path.
- the powdered, platelet-shaped, small-granular or short-fiber-like electrically heated material may have a size of, for example, 10 nm to 5 mm.
- the electric heating material is made into a small piece or a short fiber or a powder or a small particle, and is mixed into the tobacco or the cigarette paper (the outer wrapping paper of the cigarette body), so that the electric heating is performed.
- the material density or concentration is greater than a predetermined range, and the energized heating materials are interconnected to form the energized heating device. As long as the tobacco material mixed with the energized heating material is energized, the overall uniform heating of the tobacco material can be achieved.
- the electric heating material replaces the cigarette paper coated tobacco material, or the electric heating material is combined with other materials to form an electrically heatable composite cigarette paper or a composite coating layer covering the tobacco material.
- the cigarette further comprises first and second electrodes spaced apart from each other in space, respectively mechanically connected to the electric heating device for electrical connection.
- the tobacco material is a cylindrical shape, a spherical shape or a rectangular parallelepiped
- the electric heating device is in the form of a film, and is disposed inside the cylindrical material, the spherical shape or the rectangular parallelepiped of the tobacco material. Or external.
- the electric heating device is a two-dimensional structure
- the first electrode and the second electrode are strip-shaped, and are respectively disposed on opposite sides of the two-dimensional structure.
- the first electrode is disposed at a first end of the electric heating cylinder in an axial direction, and is mechanically connected to the first end to be electrically connected;
- the second electrode is disposed at the The second end of the electric heating cylinder in the axial direction is mechanically connected to the second end to be electrically connected.
- the cigarette further comprises a heat insulating layer separating the tobacco material into a plurality of portions that are thermally isolated from each other, so that the plurality of portions of the tobacco material can be sequentially heated independently of each other.
- the tobacco materials are sequentially heated independently of each other by providing a heat insulating layer or separating a part of the tobacco material and its heating zone from other parts of the tobacco material and heating thereof.
- the energized heating material can be used as a heating medium for electronic cigarettes and low temperature heating smoke.
- these electrically energized heating materials can be directly mixed into the tobacco material to make a special cigarette comprising an electric heating device and a tobacco material.
- the energized heating material can be placed in the electronic cigarette and the low temperature heating smoke device, and the tobacco material is mixed for electrification heating.
- Some of the energized heating materials require low voltage, low power consumption, high heating efficiency, and/or high mechanical strength.
- the electric heating material may include carbon nanotubes, carbon nanotube films, graphene, carbon fibers, carbon fiber films, carbon films, carbon fiber cloths, other derivatives and compounds having carbon as a part or all of constituent elements, and gold, silver, and the like.
- a kind of metal, alloy and compound which are energized and heated such as copper, aluminum, nickel, chromium, iron, stainless steel, nickel-chromium alloy, metal oxide, iron-chromium-aluminum alloy, palladium alloy and amorphous metal alloy. Or several.
- the electronic cigarette with the electric heating material and the low-temperature heating (rolling) smoke do not need to be ignited, and the generated gas contains only a small amount of tar, which can meet the requirements of smoking, and can avoid environmental pollution and the surrounding population to the utmost extent. influences.
- FIG. 1A is a schematic structural view of a special cigarette including a film-shaped heating member and a tobacco material in Embodiment 1
- FIG. 1B is a cross-sectional view of the special cigarette in Embodiment 1
- FIG. 1C is a special cigarette for use in the embodiment 1.
- FIG. 2A is a schematic structural view of a special cigarette containing a film-like heating member and a tobacco material in Embodiment 2
- FIG. 2B is a cross-sectional view of the special cigarette in Embodiment 2;
- FIG. 3A is a schematic structural view of a special cigarette containing a film-shaped heating member and a tobacco material in Embodiment 3
- FIG. 3B is a cross-sectional view of the special cigarette in Embodiment 3;
- FIG. 4A is a schematic structural view of a special cigarette containing a sheet-like heating device and a tobacco material in Embodiment 4, and FIG. 4B is a cross-sectional view of the special cigarette in Embodiment 4;
- FIG. 5A is a schematic structural view of a special cigarette containing a sheet-like heating device and a tobacco material in Embodiment 5, and FIG. 5B is a cross-sectional view of the special cigarette in Embodiment 5;
- FIG. 6A is a schematic structural view of a special cigarette containing a film-like heating member and a tobacco material in Embodiment 6, wherein the tobacco material can be heated in stages
- FIG. 6B is a cross-sectional view of the special cigarette in Embodiment 6;
- FIG. 7A is a schematic structural view of a special cigarette containing a film-like heating member and a tobacco material in Embodiment 7, wherein the tobacco material can be heated in stages
- FIG. 7B is a cross-sectional view of the special cigarette in Embodiment 7;
- FIG. 8A is a schematic structural view of a special cigarette having a first electrode and a second electrode perpendicular to the longitudinal direction of the cigarette in the embodiment 12, and FIG. 8B is a schematic view showing the connection of the special cigarette in the embodiment 12 for the electronic cigarette or the low-temperature heating cigarette;
- Fig. 9 is a schematic view showing the structure of a special cigarette having a first electrode and a second electrode electric heating device wound around a tobacco material in the twelfth embodiment.
- Figure 10 is a schematic view showing the structure of a special cigarette having a first electrode and a second electrode extending in the longitudinal direction of the cigarette in Example 13.
- Figure 11 is a schematic view showing the structure of a special cigarette in which the electric heating material is uniformly mixed with the tobacco material in Embodiment 14, and the first motor and the second electrode are directly disposed at both ends of the tobacco material.
- Fig. 12 is a structural schematic view showing the specific cigarette in which the electric heating material and the tobacco material are uniformly mixed in the embodiment 14 and the first motor and the second electrode are disposed at both ends of the cigarette paper.
- Embodiments of the present application provide an aerosol-generating article, such as a cigarette, for use in an aerosol generating system, such as an electronic cigarette or a low temperature heating (rolling) cigarette, having an energized heating device inside.
- the energized heating device encloses the tobacco material in the cigarette, is coated with the tobacco material, and/or placed in the tobacco material.
- An embodiment of the present application also provides an aerosol generating apparatus for powering the cigarette.
- the electric heating device is an element that converts electrical energy into thermal energy, and therefore the main difference between the electric heating device and the heat conducting device that simply acts as a heat conduction is that the electric heating device needs to be able to pass current and can convert the current into Thermal energy.
- the energized heating device utilizes a resistor to convert electrical energy into thermal energy.
- the energization heating device generates infrared rays when energized, and heats the tobacco material with the infrared rays.
- the electric heating device itself can also function as a heat conduction at the same time.
- any two ends of the electric heating device may be connected to the positive and negative electrodes of the power source, and the electric heating device may generate heat by resistance heating and/or infrared rays.
- the electric heating device can adjust the heating temperature through the voltage and/or current regulating device and the power switch, and quickly start heating or stop heating.
- the conventional energized heating device that converts electrical energy into thermal energy is typically placed separately from the cigarette rather than as part of the cigarette.
- a conventional electric heating device is fixedly connected to a power supply unit such as a power source, a voltage and/or a current regulating device and a switch (for example, to a housing of an electronic cigarette or a low-temperature heating cigarette), and the cigarette containing the tobacco material is only Heating is required to approach the energized heating device (e.g., inserted into the housing) when heating is required to dissipate the aerosol.
- a power supply unit such as a power source, a voltage and/or a current regulating device and a switch
- the cigarette containing the tobacco material is only Heating is required to approach the energized heating device (e.g., inserted into the housing) when heating is required to dissipate the aerosol.
- the cigarette in the embodiment of the present application has an electric heating device inside, or the cigarette includes an electric heating device, which means that the electric heating device belongs to a part of the cigarette, for example, the electric heating is added during the manufacturing process of the cigarette.
- the energized heating device forms an electrical connection with the positive and negative electrodes of the power source when the cigarette needs to emit an aerosol.
- the electric heating device is disposed inside the cigarette, that is, the electric heating device is used as an element of the cigarette itself, so that the tobacco material can be more fully and fully contacted with the electric heating device during the manufacturing process of the cigarette. Improve heating efficiency.
- the shape and configuration of the energized heating device can be varied, and there is no need to have a higher strength to withstand the pressure of multiple insertions of cigarette smoke.
- the preheating time of the cigarette of the present application is expected to be shortened to within one tenth of the conventional low temperature heating smoke, and the cost and energy consumption are not significantly increased.
- the cigarette itself may not include an electrode, and the power supply unit of the aerosol generating device may include two electrodes respectively electrically connected to the positive and negative poles of the power source, and the two electrodes are disposed at the power supply unit for housing In the cavity of the cigarette. Also, the position of the two electrodes enables the cigarette to be in direct physical contact with both ends of the energized heating device when inserted into the cavity to form an electrical connection.
- the cigarette itself may include a first electrode (for example, a positive electrode) and a second electrode (for example, a negative electrode) for respectively separating the positive and negative electrodes of the power supply unit after the cigarette is inserted into the power supply unit. Electrically connected to electrically connect to the positive and negative terminals of the power supply.
- the cigarette of the embodiment of the present application is separable from the power supply unit of the aerosol generating device.
- the cigarette of the embodiment of the present application can be made in a shape close to a common burning tobacco type cigarette, such as a tobacco rod or a cigarette.
- cigarette has the same meaning as "aerosol-generating article” and refers to a product comprising a tobacco material that is capable of generating an aerosol, such as smoke or mist, by heating.
- the cigarette itself may not provide electrical energy.
- the cigarette may be a disposable cigarette. Therefore, the electric heating device may be disposable, which avoids problems caused by repeated use of the electric heating device, such as contamination caused by substances such as tar remaining on the surface of the electric heating device being difficult to remove. And accumulation of harmful substances.
- the material for preparing the electric heating device may include, but is not limited to, carbon nanotubes, carbon nanotube films, graphene, carbon fibers, carbon fiber films, carbon films, carbon fiber cloths, including gold, silver, copper.
- Metals, alloys and metal compounds that are energized and heated such as aluminum, nickel, chromium, iron, stainless steel, nickel-chromium alloys, metal oxides, iron-chromium-alloys, palladium alloys, and amorphous metal alloys, and other carbon-based It is one or more of a derivative, a compound, and the like of the constituent elements.
- the above materials can be divided into two categories, one is carbon as a constituent element of derivatives and compounds, including carbon nanotubes, carbon nanotube film, graphene, carbon fiber, carbon fiber film, carbon film, carbon fiber cloth, etc.; It is one or more of metals, alloys and metal compounds that are energized and heated, such as gold, silver, copper, aluminum, nickel, chromium, iron, stainless steel, nickel-chromium alloy, metal oxide, iron-chromium-aluminum alloy, palladium alloy. And one or more of amorphous metal alloys and the like.
- the electrothermal material is used as a heating medium for the electronic cigarette and the low-temperature heating smoke, and the tobacco material is heated after being energized.
- the material for preparing the electric heating device may include a solid composite material, which may be composed of two or more substances having different physical and chemical properties, one of which may be metal-containing.
- a conductive material of a semiconductor, a conductive polymer, an alloy or a carbon material, and other materials may include, but are not limited to, a resin, a rubber, a ceramic, a fiber, or a synthetic polymer compound.
- the polyimide heating film is also known as a polyimide film.
- smoke material refers to a smoking substance that is a substance that can be atomized by heating or burning to produce odor and/or nicotine and/or smoke, that is, an aerosol generating substance.
- the tobacco material can be solid, semi-solid and liquid. Solid smoke materials are often processed into flakes due to considerations of gas permeability, assembly and production, and are therefore commonly referred to as flakes, which are also referred to as flakes.
- the tobacco materials discussed in the examples of the present application may be natural or synthetic tobacco liquid, smoky oil, smog, tobacco, tobacco, tobacco, etc.
- the synthetic tobacco contains glycerin, propylene glycol, nicotine and the like.
- the smoke liquid is a liquid
- the smoke oil is oily
- the smoke glue is gelatinous
- the smoke paste is a paste
- the cut tobacco comprises natural or artificial or extracted processed cut tobacco
- the tobacco leaf Includes natural or artificial or extracted processed tobacco leaves.
- the tobacco material can be heated in the form of being sealed by other substances, such as in a thermally degradable package, such as a microcapsule, and the desired volatile material is removed from the degraded or voided sealed package after heating.
- the tobacco material described in the examples of the present application may or may not contain nicotine.
- the nicotine-containing tobacco material may include at least one of a natural tobacco leaf product, a tobacco liquid made of nicotine, a smoke oil, a tobacco gel, a tobacco paste, a tobacco, a tobacco leaf, and the like.
- the liquid is watery
- the oil is oily
- the gelatin is gelatinous
- the smoke is creamy
- the tobacco includes natural or artificial or extracted processed tobacco.
- the tobacco includes natural or artificial or extracted processed tobacco leaf.
- Tobacco containing no nicotine mainly contains aroma substances, such as spices, which can be atomized to simulate the smoking process and to quit smoking.
- the fragrance comprises peppermint oil.
- the tobacco material may also include other additives such as glycerin and/or propylene glycol.
- the overall heating temperature of the tobacco material is controlled at a lower temperature (for example, below 400 ° C) to reduce the generation of harmful substances.
- a lower temperature for example, below 400 ° C
- the tobacco material is usually a poor conductor of heat.
- the temperature of the heat source may need to be high, so that the tobacco material away from the heat source can be heated in a short time, but this easily makes the smoke close to the heat source. The material is heated to an excessive temperature.
- the electric heating device of the cigarette is capable of relatively sufficient and rapid heat exchange with the tobacco material in the cigarette, so that even if the temperature of the electric heating device is low, the The tobacco material throughout the cigarette can also be rapidly heated to emit an aerosol at substantially the same time, or for a short period of time, effectively achieving both low temperature and rapid heating.
- the tobacco material is in direct direct contact with the energized heating device. In order to achieve a relatively sufficient and rapid heat exchange with the tobacco material, the surface area of the electric heating device provided by the cigarette per unit volume can be increased.
- the unit volume of cigarettes may have a surface area of the energized heating device of from about 0.1 cm 2 /cm 3 to about 100 cm 2 /cm 3 , and in further embodiments may be about 1.2 cm 2 /cm. 3 to about 10 cm 2 /cm 3 .
- the energized heating device has a two-dimensional structure, such as a sheet, layer, or film, to have a larger surface area.
- the electric heating device may be a foil layer made of a metal, an alloy or a carbon material, such as an aluminum foil, a copper foil, a carbon paper, a carbon fiber paper or a carbon nanotube film.
- the two-dimensional structure of the heating device may be rigid or flexible, for example, may have a certain strength, but can be bent.
- the electrically heated heating device of the two-dimensional structure can be further bent or crimped so that the same volume of cigarette inside can accommodate a larger area of the energized heating device.
- the two-dimensional structure of the electric heating device is a continuous electrical conductor.
- the continuous preferably is substantially continuous at various locations within the two-dimensional plane of the two-dimensional structure, and even though there are discontinuous openings in the localized regions, the apertures may be small in size, such as from 10 nanometers to 1 millimeter.
- a grid woven from a plurality of warp wires and/or weft wires can also be regarded as a two-dimensional structure, the inventors have found that the wire itself is smaller than the more uniform continuous class two-dimensional conductor.
- a wire grid of 2 mm and a hole larger than 1 mm is used as an electric heating device, there may still be a problem that the local temperature is relatively high. This is because the tobacco material is a poor conductor of heat and cannot quickly transfer heat to the adjacent side. In the tobacco material, the local accumulation of heat in the vicinity of the wire is caused.
- the electrically heated device of the two-dimensional structure may have a thickness of from 10 nanometers to 1 millimeter, in one embodiment from 500 nanometers to 500 micrometers, and in one embodiment from 1 micrometer to 10 micrometers.
- the two-dimensionally-structured electric heating device 120 is disposed in a spiral shape in the tobacco material 110.
- the cigarette 100 can be manufactured by means of a cigarette, that is, the tobacco material is first formed into a tobacco sheet, and then the tobacco sheet is rolled into a rod shape or a rod shape. In this process, the two-dimensional structure electric heating device 120 can be used. The laminated body is superimposed on the tobacco sheet to form a laminated structure, and the laminated structure is wound into a rod shape or a rod shape to form the cigarette 100. Then, the electric heating device 120 having a spiral shape in the tobacco material 100 is obtained.
- the two-dimensional structure of the electric heating device 120 may be wrapped around the entire periphery of the tobacco material 110.
- the tobacco material 110 is integrally formed in a rod shape or a rod shape, and the electric heating device 120 is bent into a cylindrical structure and sleeved on the outer periphery of the entire tobacco material 110.
- the height of the tubular structure may be greater than or equal to the overall height of the rod-shaped or rod-shaped tobacco material 110 in order to heat the various regions of the tobacco material 110 more uniformly.
- the cigarette 100 may further include a cigarette paper covering the whole of the tobacco material 120, such as a wrapping paper, which may be wrapped around the periphery of the electric heating device 120 or sandwiched between the electric heating device 120. Between the entirety of the tobacco material 110, in the latter case, the wrapping paper preferably has better thermal conductivity.
- the electric heating device 120 itself can serve as a cigarette paper or a supporting outer tube, and functions to wrap, support and accommodate the tobacco material while being electrically heated.
- the tubular structure of the electric heating device 120 is disposed in the tobacco material 110, a portion of the tobacco material 110 is disposed in the electric heating device 120 of the cylindrical structure, and another portion of the tobacco material 110 is disposed. Outside the electric heating device 120, the outer surface of the electric heating device 120 is wrapped such that the inner and outer surfaces of the electric heating device 120 are sufficiently in contact with the tobacco material.
- two or more cylindrical heating devices 120 are sleeved and spaced by the tobacco material 110, and the innermost electric heating device 120 can be filled with the tobacco material 110, the outermost side.
- the exterior of the energized heating device 120 can be wrapped by the tobacco material 110.
- the outer surface of the outermost electric heating device 120 may not be wrapped by the tobacco material 110, for example, as a cigarette paper or a support tube; the innermost electric heating device 120 may also be filled with the tobacco material 110, for example, for placing other components. , such as support rods.
- the electric heating device 120 of the two-dimensional structure is not limited to the above-described spiral structure or cylindrical structure as long as the tobacco material 110 can be coated, covered by the tobacco material 110, and/or placed in the tobacco material 110. Just in the middle.
- a plurality of two-dimensionally-structured electric heating devices 120 may be stacked one on another in the tobacco material 110, and any two adjacent two-dimensionally-structured electric heating devices 120 are spaced by the tobacco material 110.
- the two-dimensional structure of the electric heating device 120 may be bent and disposed in the tobacco material, for example, bent into a zigzag structure.
- the cigarette 100 itself may not include an electrode.
- the two ends of the electric heating device 120 may be connected to the positive and negative poles of the power source to supply power to the electric heating device 120 to achieve the purpose of energizing and heating the tobacco material 110.
- the power supply unit 200 of the aerosol generating device includes two electrodes 224 and 222 respectively electrically connected to the positive and negative poles of the power source, and the two electrodes 224, 222 are disposed at the power supply.
- Unit 200 is for housing the cavity of the cigarette 100.
- the positions of the two electrodes 224, 222 enable the cigarette 100 to be inserted into the cavity such that the two electrodes 224, 222 form a direct physical contact with both ends of the energization heating device 120, thereby forming Electrical connection.
- the cigarette 100 itself includes a first electrode 122 (eg, a positive electrode) and a second electrode 124 (eg, a negative electrode) for insertion.
- the power supply unit 200 is electrically connected to the positive electrode 222 and the negative electrode 224 of the power supply unit 200, respectively.
- the first electrode 122 and the second electrode 124 are spaced apart from each other, and are respectively mechanically connected to both ends of the electric heating device 120 to be electrically connected, for example, directly fixed on the surface of the electric heating device 120.
- the material of the first electrode 122 and the second electrode 124 may be a material having better conductivity with respect to the electric heating device 120, and the shape may be a layer, a film, a filament, a sheet or a block.
- the first electrode 122 and the second electrode 124 may be respectively soldered to the electric heating device 120, fixedly connected by a snap, or bonded by a conductive adhesive.
- the first electrode 122 and the second electrode 124 may also be formed on the surface of the electric heating device 120 by plating, spraying or printing.
- the first electrode 122 and the second electrode 124 may be exposed on the surface of the cigarette 100 or wrapped by the wrapping paper of the cigarette 100, and the user may be peeled off after the wrapping paper is exposed.
- An electrode 122 and a second electrode 124 are inserted into the power supply unit 200.
- the cigarette 100 includes a first electrode 122 and a second electrode in order to uniformly pass current to each position of the two-dimensionally structured electric heating device 120 to make the temperature uniform.
- the first electrode 122 and the second electrode 124 are respectively disposed at two ends of the electric heating device 120 of the two-dimensional structure along the first direction x, for example, opposite sides in the first direction x, and
- the first electrode 122 and the second electrode 124 are strip-shaped and traverse the electric heating device 120 of the two-dimensional structure in the second direction y.
- the first direction x and the second direction y are in the plane of the two-dimensional structure and intersect each other, for example, perpendicular to each other.
- the first electrode 122 and the second electrode 124 are wound into a cylindrical structure or a spiral structure with the electric heating device 120 of the two-dimensional structure. Referring to FIG. 9, the winding direction may be around the first direction x such that the first electrode 122 and the second electrode 124 extend circumferentially around the cigarette 100 and are disposed at opposite ends of the cigarette 100 in the longitudinal direction.
- the winding direction may also be around the second direction y such that the first electrode 122 and the second electrode 124 extend along the length of the cigarette 100.
- the first electrode 122 may be disposed at an inner side of the spiral electric heating device 120
- the second electrode 124 may be It is disposed on the outer side of the spiral electric heating device 120.
- the positions of the first electrode 122 and the second electrode 124 can be determined according to the material and structure of the electric heating device 120 and the electrical connection with the power supply unit 200.
- the electric heating device 120 may include a powdered, small piece, small granular or short fiber-like electric heating material 126 , and the electric heating material 126 and the smoke The material 110 was uniformly mixed.
- the electric heating material 126 may include a powder, a small piece, a small particle of a metal or an alloy; at least one of a carbon powder, a carbon fiber powder, a graphene powder, and a carbon nanotube powder.
- the particle size of the powdered or small particulate electrically conductive heating material 126 may be, for example, from 1 nanometer to 500 micrometers.
- the thickness of the platelet-shaped energized heating heating material 126 may be, for example, 1 nm to 500 ⁇ m, and the length and width may be, for example, 1 nm to 5 mm.
- the short fiber-shaped energized heating material 126 may have a diameter of, for example, 1 nm to 500 ⁇ m and a length of 1 nm to 10 mm.
- the electric heating material 126 is evenly distributed in the tobacco material 110, and can be connected to each other to form a conductive network in the tobacco material 110, so that the electric heating material 126 can be present in the vicinity of the tobacco material 110 in all local areas, so that the tobacco material is made.
- the 110 is heated at substantially the same time, further increasing the heating efficiency.
- the conductive network formed by the energized heating material 126 enables a conductive path to be formed between the first electrode 122 and the second electrode 124.
- the cigarette may further include a binder, and the electric heating material 126 is uniformly mixed with the tobacco material 110 and bonded together to form a monolithic and electrically conductive tobacco block, such as a rod or a rod. And the inside of the conductive tobacco block is porous to allow air to circulate. In addition, one or more through holes may be further formed in the tobacco block for the airflow to flow along the through holes.
- the first electrode 122 and the second electrode 124 may be respectively fixedly disposed at two ends of the tobacco block.
- the energized heating material 126 may be preliminarily made into a porous three-dimensional electric heating device to become a conductive skeleton, and then the tobacco material 110 is filled or coated in the pores of the conductive skeleton to form the electric heating material 126 and A composite of tobacco material 110.
- the porous carbon rod can be immersed in the smoky oil so that the porous carbon rod sufficiently absorbs the smoky oil.
- the cigarette 100 may further include a support tube or a cigarette paper 150 wrapped around the periphery of the mixture of the tobacco material 110 and the electric heating material 126, and formed by the support tube or the support of the cigarette paper 150. 100 shape.
- the mixture of the tobacco material 110 and the energized heating material 126 can be loosely bonded without adhesive bonding.
- the energized heating material 126 is some metal debris that is mixed with the shredded tobacco or tobacco leaves of the tobacco material 110.
- the first electrode 122 and the second electrode 124 may be respectively fixed at both ends of the support tube or the cigarette paper 150, and form physical contact with the electric heating material 126 to achieve electrical connection.
- the first electrode 122 and the second electrode 124 may be printed on two opposite edges of the cigarette paper 150.
- the appearance of the cigarette 100 in this embodiment can be more similar to a conventional burning cigarette.
- the tobacco material 110 and the electrically conductive heating material 126 may be previously mixed with a liquid medium to form a slurry which is coated on the surface of the bottom mesh or ground and formed to form after drying.
- the conductive tobacco sheet or the tobacco block is rolled into a rod shape or a rod shape, and the outer paper 150 is wrapped or disposed in the support tube to form the cigarette 100.
- a flexible porous conductive material such as carbon fiber paper or conductive porous carbon, may be immersed in the tobacco oil to form a conductive tobacco sheet, and then the conductive tobacco sheet may be rolled into a rod shape or a rod shape, and the outer wrapping paper 150 may be disposed or disposed.
- a cigarette 100 is formed in the support tube.
- the cigarette 100 may include two or more different embodiments of the energized heating device 120.
- the cigarette paper 150 of the cigarette 100 is a metal foil or a carbon nanotube film, and the tobacco 126 is also mixed with the energization heating material 126, such as metal powder or carbon powder.
- the energized heating material 126 mixed with the tobacco material 110 may also serve to conduct heat to conduct heat to the interior of the cigarette 100 more quickly or more uniformly.
- the cigarette 100 can include a thermally conductive material that is uniformly mixed with the tobacco material 110 to conduct heat more rapidly or more evenly to various local locations within the interior of the cigarette 100.
- the heat conductive material may include a powdery, small piece, small particle or short fiber heat conductive material, such as a powder or a small piece of a metal or an alloy; carbon powder, carbon fiber powder, graphene powder, and carbon nanotube At least one of the powders.
- the cigarette 100 may further include a heat insulating layer 140 that partitions the tobacco material 110 into a plurality of portions that are thermally isolated from each other.
- An independently controlled energizing heating device 120 may be disposed around each portion of the tobacco material 110 to enable the plurality of portions of the tobacco material 110 to be sequentially heated independently of each other.
- a separate energized heating device 120 may be provided for each portion of the tobacco material 110, and a separate first electrode 122 and second electrode 124 may be further provided.
- the plurality of pairs of electrodes 122, 124 are respectively connected to the control circuit 230 of the power supply unit 200 for independent control.
- the tobacco material 110 of each portion has different materials, and can produce aerosols of different flavors. By heating or heating different combinations thereof, various flavors of smoke can be obtained.
- the cigarette may further include a filter 130 disposed at one end in the longitudinal direction of the cigarette 100 and located at an airflow out end, and the other end of the cigarette 100 in the longitudinal direction is an airflow inflow end.
- the selection surface of the material of the electric heating device can be wider, for example, a flexible material or even a conductive powder, fiber or particle having no fixed shape can be selected. It is better to achieve sufficient and uniform heating of the tobacco in each partial area of the cigarette.
- the above-mentioned electrothermal materials have faster heating performance, stronger flexibility, higher strength and larger specific surface area than other heating materials, and are more favorable for rapid temperature rise under application of voltage. , high heating efficiency.
- the heating temperature can be adjusted to quickly initiate or restart the heating, for example only when the smoker smokes.
- the energized heating device after being energized can uniformly heat up, and also causes the tobacco material to be uniformly heated and converted into a mist.
- the fibrous, columnar, and sheet-like energized heating means are dispersed or encased in the tobacco material; the film-like electrically heated heating device coats the tobacco material and/or is disposed in the tobacco material, the tobacco material is solid , liquid or semi-solid.
- the electric heating device can be in full contact with the tobacco material, so that the heating area exceeds most other electronic cigarettes and low temperature heating tobacco products on the market, and the heating structure and mode require low voltage, low power consumption, and high heating efficiency. High mechanical strength.
- the electronic cigarette and the low-temperature heating cigarette of the cigarette with the electric heating device do not need to be ignited, and the amount of tar generated is small, which can meet the requirements of smoking, and can avoid environmental pollution and the influence on the surrounding people to the utmost extent.
- the cigarette of the embodiment of the present application can be applied to other devices that need to heat a specific material, including but not limited to electric heating heated water pipes, pipes, and medical cannabis heating devices, in addition to electronic cigarettes and low temperature heating smoke.
- Embodiment 1 is a heating device 120 for an electronic cigarette containing a carbon nanotube film and a low temperature heating smoke.
- the electronic cigarette or the low-temperature heating smoke includes two portions for use, and the sleeve 200 for power supply connected to the battery is as shown in FIG. 1C, and is dedicated to the film-like heating member 120 and the tobacco material 110.
- Cigarette 100 is shown in Figure 1A.
- the special cigarette 100 has a built-in electric heating device 120, and the electric heating device 120 inside is energized and self-heated, and the tobacco material 110 is heated and sucked through the filter 130.
- a cavity is provided in the sleeve 200 for inserting a special cigarette 100 that is shaped to fit the specialty cigarette 100, with contacts or contacts 222, 224 for power supply.
- the electric heating device 120 is made of a carbon nanotube film material, and the carbon nanotube film and the tobacco material are simultaneously wound into a winding sheet-like spring structure, and the cross section thereof is as shown in FIG. 1B, and the tobacco material 110 is placed on the roll. In the gap of the tight sheet, the carbon nanotube film is coated with the tobacco material 110.
- the spiral center is connected to the positive pole of the power source 210, and the spiral end is connected to the negative pole of the power source 210.
- Embodiment 2 is a heating device 120 for an electronic cigarette containing a carbon nanotube film and a low temperature heating smoke.
- the electronic cigarette or low-temperature heating smoke includes two parts for use, a sleeve for power supply (not shown in the drawing, similar to the structure of FIG. 1), and a special cigarette 100 including the film-shaped heating member 120 and the tobacco material 110.
- Figure 2A The main structure of the sleeve and the special cigarette 100 is similar to that in the first embodiment. The main difference is that the special cigarette 100 is simultaneously rolled into a cylindrical shape using the carbon nanotube film and the tobacco material 110, and its cross section is as shown in FIG. 2B, and the tobacco material 110 is used.
- the tobacco material 110 can be heated in the form of being sealed by other substances, such as in a package that can be thermally degraded; or the position of the tobacco material 110 and the film Alternatively, the tobacco material 110 is placed outside the cylinder such that the tobacco material coats the carbon nanotube film (not shown).
- the special cigarette 100 is inserted into the sleeve, the carbon nanotube film is connected to the positive and negative wires of the power supply of the inner wall of the sleeve (not shown) to be applied with a voltage, and the tobacco material is uniformly heated rapidly.
- Embodiment 3 is a heating device 120 for an electronic cigarette containing a carbon nanotube film and a low temperature heating smoke.
- the electronic cigarette and the low-temperature heating smoke include two parts for use, a sleeve for power supply (not shown in the drawings, similar to the structure of FIG. 1), and a special cigarette 100 including the film-shaped heating member 120 and the tobacco material 110.
- Figure 3A The main structure of the sleeve and the special cigarette 100 is similar to that in the first embodiment. The main difference is that the special cigarette 100 is simultaneously wound into a concentric cylinder type using a carbon nanotube film and a tobacco material 110, and its cross section is as shown in FIG. 3B.
- the carbon nanotube film 110 is placed inside the concentric cylinder type and between the inner wall and the outer wall of the concentric cylinder, and the carbon nanotube film serves as the inner and outer surface of the tobacco material 110.
- the carbon nanotube film is coated with the tobacco material 110.
- Embodiment 4 is a heating device 120 for an electronic cigarette containing an alloy heating wire and a low temperature heating smoke.
- the electronic cigarette and the low-temperature heating smoke include two parts for use, a sleeve for power supply (not shown in the drawing, similar to the structure of FIG. 1), and a sheet-like alloy electric heating wire heating member 120 and a tobacco material 110.
- the dedicated cigarette 100 is shown in Figure 4A.
- the main structure of the sleeve and the special cigarette 100 is similar to that in the first embodiment. The main difference is that the special cigarette 100 is arranged in parallel with the alloy heating wire, and the structure is as shown in FIG. 4B, and the tobacco material 110 is placed in the phase.
- the sheet-like alloy electric heating wire is placed in the tobacco material 110.
- the ends of each of the sheet-like alloy heating wires are connected to the positive and negative electrodes of the power source (not shown) to be applied with a voltage, and the tobacco material 110 is uniformly heated rapidly.
- Embodiment 5 is a heating device 120 for an electronic cigarette containing an alloy heating wire and a low temperature heating smoke.
- the electronic cigarette and the low-temperature heating smoke include two parts for use, a sleeve for power supply (not shown in the drawing, similar to the structure of FIG. 1), and a sheet-like alloy electric heating wire heating member 120 and a tobacco material 110.
- a special cigarette is shown in Figure 5A.
- the main structure of the sleeve and the special cigarette 100 is similar to that in the first embodiment. The main difference is that the special cigarette 100 is formed into a wave-shaped sheet-like structure using an alloy heating wire, and its structure is as shown in FIG. 5B, and the tobacco material 110 is filled with a special cigarette.
- the special cigarette 100 and the tobacco material 110 is in contact with the waves such that the alloy heating wire is placed in the tobacco material 110.
- the ends of each of the sheet-like alloy heating wires are connected to the positive and negative electrodes of the power source (not shown) to be applied with a voltage, and the tobacco material 110 is uniformly heated rapidly.
- the special cigarette 100 is provided with a plurality of undulating sheet-like structures side by side using an alloy heating wire, and the tobacco material 110 is placed in an adjacent wavy space when the special cigarette 100 is inserted into the sleeve.
- the two ends of each wavy alloy heating wire are connected to the positive and negative poles of the power source (not shown), and the cigarette 110 is uniformly heated rapidly.
- Embodiment 1 is an extended embodiment of Embodiment 1.
- the electronic cigarette and the low-temperature heating smoke include two parts for use, a sleeve for power supply (not shown in the drawings, similar to the structure of FIG. 1), and a special cigarette 100 including the film-shaped heating member 120 and the tobacco material 110.
- a sleeve for power supply not shown in the drawings, similar to the structure of FIG. 1
- a special cigarette 100 including the film-shaped heating member 120 and the tobacco material 110.
- FIG. 6A the main structure of the sleeve and the special cigarette 100 is similar to that in the first embodiment.
- the main difference is that the special cigarette 100 is wound into a strip at the same time using the carbon nanotube film and the tobacco material 110, and its structure is as shown in FIG. 6B.
- a heat insulating layer 140 is disposed in the strip-shaped dedicated cigarette 100, and the heat insulating layer 140 separates the dedicated cigarette 100 into the first portion and the second portion in the drawing.
- setting the n thermal insulation layers 140 separates the dedicated cigarette into n+1 portions. After different parts are applied with voltages at different time points, they can be heated in batches.
- the electronic cigarette and the low-temperature heating smoke include two parts for use, a sleeve for power supply (not shown in the drawing, similar to the structure of FIG. 1), and a film.
- a sleeve for power supply not shown in the drawing, similar to the structure of FIG. 1
- a film As shown in FIG. 7A, the main structure of the sleeve and the special cigarette 100 is similar to that in the first embodiment. The main difference is that the special cigarette uses a carbon nanotube film and a cigarette simultaneously.
- the concentric cylinder type has a cross section as shown in FIG. 7B, and the tobacco material 110 is placed inside the concentric cylinder type between the inner wall and the outer wall of the concentric cylinder, and the carbon nanotube film serves as the inner layer and the outer layer surface of the tobacco material 110.
- a heat insulating layer 140 is disposed between the inner layer and the outer layer, and the heat insulating layer 140 separates the dedicated cigarette 100 into the first portion and the second portion in the drawing.
- the heat insulating layer 140 divides the dedicated cigarette 110 into three portions.
- n layers of carbon nanotube film are arranged concentrically, n-1 heat insulating layers 140 may be disposed therebetween, and the heat insulating layer 140 divides the dedicated cigarette 100 into three parts. After different parts are applied with voltages at different time points, they can be heated in batches.
- the material carbon nanotube film of the electric heating device in the above embodiments 1, 2, 3, 6, and 7 was replaced with a graphene film or a carbon fiber/carbon fiber film for heating the tobacco material.
- the material of the heating device may also be a composite material made of at least two kinds of carbon nanotubes, carbon nanotube films, graphene, carbon fibers, carbon fiber films, carbon films, and carbon fiber cloths, for example, a film made of a mixture of carbon nanotubes and carbon fibers.
- the alloy heating wires of Examples 4 and 5 are replaced with other types of energized heating metals, alloys and metal compounds such as gold, silver, copper, aluminum, nickel, chromium, iron, stainless steel, nichrome, metal.
- the carbon nanotube film of the heating device in the above embodiments 1, 2, 3, 6, and 7 is replaced with a solid composite material for heating the tobacco material, for example, a composite material obtained by compounding silicone rubber, rubber, and conductive polymer, carbon fiber. Composite material obtained by compounding with graphene, composite material obtained by composite of conductive polymer and ceramic, carbon fiber paper, carbon paper.
- the carbon nanotube film of the heating device in the above embodiments 1, 2, 3, 6, and 7 is replaced with a polyimide film for heating the tobacco material.
- a polyimide coating or a poly A film of imide fiber are examples of the carbon nanotube film of the heating device.
- the heating material prepared in the above-mentioned Embodiment 1-9 is made into a small piece or a short fiber or a powder or a small particle, and is mixed into the tobacco material or the cigarette paper, so that the density or concentration of the electric heating material is greater than a preset.
- the range, specific density or concentration range is such that the heating material is capable of forming an interconnect, and the energized heating materials are interconnected to form the heating device. As long as the tobacco material mixed with the energized heating material is energized, the overall uniform heating of the tobacco material can be achieved.
- the tobacco material of the above Examples 1-7 was replaced with a natural tobacco leaf product, and a low-temperature heating smoke similar to the above structure was obtained.
- the embodiment 12 is a cigarette 100 having a first electrode 122 and a second electrode 124.
- the electric heating device 120 has a two-dimensional structure and is wrapped around the outer periphery of the tobacco material 110 to form a cylindrical shape.
- the height of the tubular structure of the energized heating device 120 is equal to the overall height of the tobacco material 110 so that the various regions of the tobacco material are more uniformly heated.
- the first electrode 122 and the second electrode 124 are respectively disposed at both ends in the height direction of the electric heating device 120 of the cylindrical structure.
- the embodiment 13 is similar to the embodiment 12 except that the first electrode 122 and the second electrode 124 are parallel to each other and parallel to the height direction of the electric heating device 120 of the cylindrical structure.
- a line perpendicular to the height direction of the one electrode 122 and the second electrode 124 passes through the axis of the cylindrical structure, and the electric heating device 120 is divided into two equal regions.
- embodiment 14 is an embodiment in which the energized heating device 120 includes a plurality of energized heating materials 126 that are uniformly mixed with the tobacco material 110.
- the energized heating material 126 forms a conductive network in the tobacco material 110, and the first electrode 122 and the second electrode 124 are disposed at both ends of the hybrid structure as a whole, and are electrically connected to the conductive network, or are disposed to wrap the mixed structure
- the ends of the cigarette paper 150 are electrically connected to the conductive network.
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- Resistance Heating (AREA)
Abstract
一种电子烟和低温加热烟的通电加热装置,用以制作一次性烟弹,烟弹内部包括可通电发热的发热装置和被所述发热装置加热的烟料。制备该加热装置的材料包括碳纳米管、碳纳米管薄膜、石墨烯、碳纤维、碳纤维薄膜等以碳为组成元素的衍生物和化合物,以及含镍铬合金、金属氧化物、铁铬铝合金和钯合金等在内的通电发热合金和金属化合物。上述电热材料在通电后对烟料进行加热。烟料除包括天然或人工合成的烟液、烟油、烟胶、烟膏、烟丝、烟叶等外,还包括可在电子烟中使用的所有添加剂,如甘油、丙二醇和烟碱等。本申请还包括一种香烟、气溶胶生成装置和气溶胶生成系统。
Description
相关申请
本申请要求2017年6月14日申请的,申请号为201710448292.9,名称为“一种电子烟和低温加热烟的加热装置”和2017年6月27日申请的,申请号为201710501463.X,名称为“一种电子烟和低温加热烟的加热装置”的中国专利申请的优先权,在此将其全文引入作为参考。
本申请涉及用于气溶胶生成制品的通电加热装置及其应用,具有所述通电加热装置的香烟,气溶胶生成装置和系统。
传统的电子烟主要由雾化器、电池部、烟嘴组成。电池部提供电源,对雾化器的电热丝进行加热。电热丝一般都会缠绕有吸油绳,吸油绳的两端放入烟油容腔内,当烟油容腔充入烟油后,吸油绳将烟油吸入发热丝处,加热后的发热丝温度升高,吸油绳上的烟受热挥发,形成烟雾,从烟嘴部吸入吸烟者口中。由于没有经过燃烧,故而一氧化碳和焦油等有害物质含量较少,较大程度减少了二手烟危害。
低温加热(卷)烟,又称加热不燃烧(卷)烟,卷烟形式比较多见,下文统称为低温加热烟,与传统的燃烧产生烟气的卷烟不同。以“加热不燃烧”为思路设计的低温加热烟,能使烟叶刚好加热到足以散发出味道的程度,而无需点燃烟叶。通常情况下,普通卷烟在400℃至1000℃的吸食高温下会产生众多有害物质,而低温加热烟大都是在400℃以下,并且因为所加热的天然或合成烟草制品中的很多有害物质已经被事先加工清除,导致一手烟和二手烟中的有害物质大幅减少。
发明内容
有鉴于此,确有必要提供一种通电加热装置,又称加热件,提供一种通电加热装置的应用,一种香烟,一种气溶胶生成装置和系统,例如电子烟或低温加热烟。
一种通电加热装置,所述通电加热装置包覆烟料、被烟料包覆和/或置于烟料中。
一种所述的通电加热装置的应用,应用于通电加热的卷烟、水烟、烟斗或医用大麻加热装置。
一种香烟,包括烟料和所述通电加热装置,所述通电加热装置包覆所述烟料、被所述烟料包覆和/或置于所述烟料中。
一种气溶胶生成装置,开设有用于容纳所述香烟的空腔,并具有用于给所述香烟的所述通电加热装置供电的电源正负极。可选择的,所述气溶胶生成装置还包括电压和/或电流调节装置,和电源开关。
一种气溶胶生成系统,包括所述香烟。可选择的,所述气溶胶生成系统还包括所述气溶胶生成装置。
一种电子烟或低温加热烟,包括所述烟料和所述的通电发热通电加热装置。
可选择的,制备所述通电加热装置的材料包括以碳为部分或全部组成元素的衍生物和/或化合物,或者通电发热的金属、合金和/或金属化合物。
可选择的,所述以碳为部分或全部组成元素的衍生物和/或化合物包括碳纳米管、碳纳米管薄膜、石墨烯、碳纤维、碳纤维薄膜、碳膜、碳纤维布、碳黑、炭黑、碳粉、活性炭、多孔炭、中间相碳微球、石墨烯、氧化石墨烯、还原的氧化石墨烯、石墨炔等中的一种或几种。
可选择的,所述通电发热的金属包括金、银、铜、铝、镍、铬、铁和不锈钢中的一种或多种;所述通电发热的合金和/或金属化合物包括镍铬合金、金属氧化物、铁铬铝合金、钯合金和非晶态金属合金等中的一种或几种。
可选择的,所述通电加热装置为纤维状、柱状、片状或者薄膜状。
可选择的,所述烟料为固体、液体或者半固体。
可选择的,所述薄膜状的通电加热装置设置为卷紧片状的发条结构,所述烟料置于所述卷紧片的空隙中或者承载于所述卷紧片表面。可选择的,所述烟料涂敷或设置于所述卷紧片表面。例如,所述烟料可以在所述卷进片表面涂覆或设置为烟料层。
可选择的,所述薄膜状的通电加热装置设置为圆筒型或球型,烟料置于该圆筒或球体内部,或用于将所述烟料承载于所述圆筒或球体表面。例如,所述通电加热装置为一电加热筒,所述烟料设置于该电加热筒内部。
可选择的,所述烟料涂敷或设置于所述圆筒或球体的内壁和/或外壁。例如,所述烟料可以在所述圆筒或球体的内壁和/或外壁上涂覆或设置为烟料层。
可选择的,所述烟料设置为圆筒型或球型,或放置在圆筒型或球型的容器或容纳空间内,所述薄膜状的通电加热装置置于该圆筒或球体内部。
可选择的,所述烟料和所述通电加热装置共同构成圆筒或球体结构。
可选择的,所述薄膜状的通电加热装置设置为同心圆筒型,所述烟料置于所述同心圆筒内壁与外壁之间,或用于将所述烟料承载于所述同心圆筒的筒壁上。可选择的,所述烟料涂敷或设置于所述同心圆筒的筒壁上。例如,所述烟料可以在所述同心圆筒的筒壁上涂覆或设置为烟料层。
可选择的,所述薄膜状的通电加热装置设置为平行并排设置的片状结构,所述烟料置于 相邻片状结构之间的空间中,或用于将所述烟料承载于所述片状结构上。可选择的,所述烟料涂敷或设置于所述片状通电加热装置表面。例如,所述烟料可以在所述片状结构表面涂覆或设置为烟料层。
可选择的,所述薄膜状的通电加热装置设置为波浪形的片状结构,所述烟料与所述波浪形的片状结构接触。可选择的,所述烟料涂敷或设置于所述波浪形的片状结构表面。例如,所述烟料可以在所述波浪形的片状结构表面涂覆或设置为烟料层。
可选择的,在所述通电加热装置的任意两端连接电源的正负极后,所述通电加热装置通过电阻发热和/或红外线发热。
可选择的,所述通电加热装置通过电压和/或电流调节装置,及电源开关,调节加热温度,及迅速开始加热和停止加热。
可选择的,制备所述通电加热装置的材料包括固体复合材料,所述固体复合材料可由两种或两种以上物理和化学性质不同的物质组成,其中一种物质可为含金属、半导体、导电高分子、合金或碳材料的可导电物质,其它物质可包括树脂、橡胶、陶瓷、纤维、人工合成高分子化合物。例如,硅橡胶、橡胶和导电高分子复合,碳纤维和石墨烯复合,导电高分子和陶瓷复合,以及碳纤维纸(短切碳纤维与纸浆及其他高分子聚合添加剂复合而成)、碳纸(碳粉或石墨粉与纸浆及其他添加剂复合而成),聚酰亚胺加热膜。聚酰亚胺加热膜又名聚酰亚胺薄膜(polyimide film)。
可选择的,所述通电加热装置包括粉末状、小片状、小颗粒状或短纤维状的通电加热材料,所述通电加热材料用于与所述烟料混合并且相互连接形成导电通路。所述粉末状、小片状、小颗粒状或短纤维状的通电加热材料的尺寸例如可以为10纳米至5毫米。
可选择的,把通电加热材料做成小片状或短纤维状或粉末状或小颗粒状,混入所述烟料或者烟纸(烟体包卷烟料的外包装纸),使得所述通电加热材料密度或浓度大于预设范围,所述通电加热材料互相连接形成所述通电加热装置。只要对混和了通电加热材料的烟料通电,即可实现对烟料的整体均匀加热。
可选择的,所述通电加热材料替代烟纸包覆烟料,或者所述通电加热材料与其它材料复合做成可通电加热的复合烟纸或复合包覆层包覆烟料。
可选择的,所述的香烟还包括空间上相互间隔的第一电极和第二电极,分别与所述通电加热装置机械连接从而电连接。
可选择的,所述的香烟中,所述烟料为圆柱型、球型或长方体,所述通电加热装置为薄膜状,设置于所述圆柱型、球型或长方体的所述烟料的内部或外部。
可选择的,所述的香烟中,所述通电加热装置为类二维结构,所述第一电极和第二电极为条带状,分别设置在所述类二维结构相对的两边。
可选择的,所述的香烟中,所述第一电极设置在所述电加热筒沿轴向的第一端,与所述第一端机械连接从而电连接;所述第二电极设置在所述电加热筒沿轴向的第二端,与所述第二端机械连接从而电连接。
可选择的,所述香烟还包括绝热层,所述绝热层将所述烟料分隔为相互热隔离的多个部分,使所述多个部分的烟料能够相互独立地依次加热。所述电子烟和低温加热烟中通过设置绝热层或将部分烟料及其加热区与其它部分烟料及其加热区分隔开等方式,实现烟料相互独立地次序加热。
本申请中,通电加热材料可以作为电子烟和低温加热烟的加热媒介。在一实施例中,可直接将这些通电加热材料混入烟料,制成包含通电加热装置和烟料的特制香烟。在另一实施例中,通电加热材料可放置在电子烟和低温加热烟设备内,混入烟料进行通电加热。所述通电加热材料中一些材料所需电压低、耗电少、加热效率高和/或机械强度大。所述通电加热材料可包括碳纳米管、碳纳米管薄膜、石墨烯、碳纤维、碳纤维薄膜、碳膜、碳纤维布、其它以碳为部分或全部组成元素的衍生物和化合物,以及包括金、银、铜、铝、镍、铬、铁、不锈钢、镍铬合金、金属氧化物、铁铬铝合金、钯合金和非晶态金属合金等在内的通电发热的金属、合金和化合物等的一种或几种。具有所述通电加热材料的电子烟和低温加热(卷)烟无需点火,所产生的气体只含极少量的焦油,可以既满足吸烟的要求,又能最大限度的避免环境污染和对周围人群的影响。
为了清楚地说明本申请的技术方案,下面将对实施例中所需要使用的附图作简单地介绍。显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1A为实施例1中包含有薄膜状加热件和烟料的专用香烟的结构示意图,图1B为实施例1中该专用香烟的截面图,图1C为实施例1中该专用香烟用于电子烟或低温加热烟的连接示意图;
图2A为实施例2中含有薄膜状加热件和烟料的专用香烟的结构示意图,图2B为实施例2中该专用香烟的截面图;
图3A为实施例3中含有薄膜状加热件和烟料的专用香烟的结构示意图,图3B为实施例3中该专用香烟的截面图;
图4A为实施例4中含有片状加热装置和烟料的专用香烟的结构示意图,图4B为实施例4中该专用香烟的截面图;
图5A为实施例5中含有片状加热装置和烟料的专用香烟的结构示意图,图5B为实施例 5中该专用香烟的截面图;
图6A为实施例6中含有薄膜状加热件和烟料的专用香烟的结构示意图,其中烟料可分段加热,图6B为实施例6中该专用香烟的截面图;
图7A为实施例7中含有薄膜状加热件和烟料的专用香烟的结构示意图,其中烟料可分段加热,图7B为实施例7中该专用香烟的截面图;
图8A为实施例12中具有垂直于香烟长度方向的第一电极和第二电极的专用香烟的结构示意图,图8B为实施例12中的专用香烟用于电子烟或低温加热烟的连接示意图;
图9为实施例12中具有第一电极和第二电极通电加热装置卷绕在烟料外制成专用香烟的结构示意图。
图10为实施例13中具有沿香烟长度方向延伸的第一电极和第二电极的专用香烟的结构示意图。
图11为实施例14中通电加热材料与烟料均匀混合,且第一电机与第二电极直接设置在烟料两端的专用香烟的结构示意图。
图12为实施例14中通电加热材料与烟料均匀混合,且第一电机与第二电极设置在烟纸两端的专用香烟的结构示意图。
为了使本申请的目的、技术方案及优点更加清楚明白,以下结合附图及实施例对本申请进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本申请,并不用于限定本申请。
在本揭露中,当元件被称为“固定于”另一个元件,除非特别限定为“直接地”,它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件,除非特别限定为“直接地”,它可以是直接连接到另一个元件或者可能同时存在居中元件。相反,当元件被称作“直接地连接”或“直接地固定”时,不存在该居中元件。实施例附图中各种不同对象按便于列举说明的比例绘制,而非按实际组件的比例绘制。
本申请实施例提供一种在气溶胶生成系统,例如电子烟或低温加热(卷)烟,中使用的气溶胶生成制品,例如香烟,所述香烟内部具有通电加热装置。所述通电加热装置包覆所述香烟中的烟料、被所述烟料包覆和/或置于所述烟料中。本申请实施例还提供一种用于为所述香烟供电的气溶胶生成装置。
在电子烟或低温加热烟中,热量是靠电能提供的。所述通电加热装置是将电能转换为热能的元件,因此所述通电加热装置与单纯起到热传导作用的导热装置的主要区别在于所述通电加热装置需要能够通入电流,且能够将电流转变为热能。在一实施例中,所述通电加热装 置利用电阻将电能转换为热能。在另一实施例中,所述通电加热装置在通电时产生红外线,利用所述红外线加热烟料。当然,所述通电加热装置本身也可以同时起到导热的作用。作为一种实现方式,可以将所述通电加热装置的任意两端连接电源的正负极,使所述通电加热装置通过电阻发热和/或红外线发热。所述通电加热装置可通过电压和/或电流调节装置,及电源开关,实现调节加热温度,迅速开始加热或停止加热。
在传统的电子烟或低温加热烟中,所述将电能转换为热能的传统的通电加热装置通常与香烟分开设置,而非作为香烟的一部分。例如,传统的通电加热装置与供电单元,例如电源、电压和/或电流调节装置和开关固定连接(例如容置于电子烟或低温加热烟的壳体中),而含有烟料的香烟只在需要加热以散发出气溶胶时才与所述通电加热装置靠近(例如插入所述壳体中)以实现加热。这些传统的低温加热烟存在通电加热装置与烟料接触面积小,热传导效率低,导致加热时间较长,加热不均匀的问题。
与此相区别的,本申请实施例的所述香烟内部具有通电加热装置,或者所述香烟包括通电加热装置,是指通电加热装置属于香烟的一部分,例如香烟制造过程中即加入所述通电加热装置。香烟在需要发出气溶胶时所述通电加热装置才与所述电源的正负极形成电连接。本申请实施例通过将通电加热装置设置在所述香烟内部,即将所述通电加热装置作为香烟本身具有的元件,可以在香烟的制造过程中使烟料与通电加热装置实现更良好充分的接触,提高加热效率。通电加热装置的形状和结构可以多样化,且无需具有较高强度耐受多次插入香烟烟料受到的压力。本申请的香烟的预热时间有望缩短到传统低温加热烟的十分之一以内,而成本和能耗没有显著增加。
所述香烟本身可以不包括电极,所述气溶胶生成装置的所述供电单元可包括两个分别与电源正负极电连接的电极,所述两个电极设置在所述供电单元用于容纳所述香烟的空腔中。并且,两个电极的位置能够使所述香烟插入所述空腔时正好与所述通电加热装置的两端形成直接的物理接触,从而形成电连接。为更好的使香烟与供电单元电连接,所述香烟本身可包括第一电极(例如正极)和第二电极(例如负极),用于在香烟插入供电单元后与供电单元的正负极分别电连接,从而与电源的正负极分别电连接。
本申请实施例的香烟与气溶胶生成装置的供电单元是可分离的。本申请实施例的香烟可以制作成接近普通燃烧烟叶式香烟的形状,例如烟杆或卷烟状。
本申请所称“香烟”与“气溶胶生成制品”含义相同,指包含烟料,能够通过加热产生气溶胶,例如烟气或雾气的产品。所述香烟本身可不提供电能。
所述香烟可以为一次性香烟,因此所述通电加热装置也可以是一次性的,避免了通电加热装置反复使用带来的问题,例如残留在通电加热装置表面的焦油等物质难以清除造成的污染和有害物质累积。
制备该通电加热装置的材料(本文中简称“电热材料”)可包括但不限于碳纳米管、碳纳米管薄膜、石墨烯、碳纤维、碳纤维薄膜、碳膜、碳纤维布、包括金、银、铜、铝、镍、铬、铁、不锈钢、镍铬合金、金属氧化物、铁铬铝合金、钯合金和非晶态金属合金等在内的通电发热的金属、合金和金属化合物,以及其它以碳为组成元素的衍生物和化合物等中的一种或几种。
上述材料可分为两类,一类是以碳为组成元素的衍生物和化合物,包括碳纳米管、碳纳米管薄膜、石墨烯、碳纤维、碳纤维薄膜、碳膜、碳纤维布等;另一类是通电发热的金属、合金和金属化合物中的一种或几种,例如金、银、铜、铝、镍、铬、铁、不锈钢、镍铬合金、金属氧化物、铁铬铝合金、钯合金和非晶态金属合金等中的一种或几种。上述电热材料作为电子烟和低温加热烟的加热媒介,在通电后对烟料进行加热。
在另一些实施例中,制备所述通电加热装置的材料可包括固体复合材料,所述固体复合材料可由两种或两种以上物理和化学性质不同的物质组成,其中一种物质可为含金属、半导体、导电高分子、合金或碳材料的可导电物质,其它物质可包括但不限于树脂、橡胶、陶瓷、纤维、人工合成高分子化合物。例如,硅橡胶、橡胶和导电高分子复合,碳纤维和石墨烯复合,导电高分子和陶瓷复合,以及碳纤维纸(短切碳纤维与纸浆及其他高分子聚合添加剂复合而成)、碳纸(碳粉或石墨粉与纸浆及其他添加剂复合而成),聚酰亚胺加热膜。聚酰亚胺加热膜又名聚酰亚胺薄膜(polyimide film)。
本文所称“烟料”指发烟物质,是经加热或燃烧可以产生气味和/或尼古丁和/或烟气的物质,即可被雾化的物质,即气溶胶生成物质。烟料可以是固态、半固态和液态。固态烟料因为透气性、组装和制作等方面的考虑,经常加工成薄片状,因此又俗称为薄片,丝状薄片也称为薄片丝。本申请实施例所讨论的烟料可为天然的或人工合成的烟液、烟油、烟胶、烟膏、烟丝、烟叶等,例如,人工合成的烟料含有甘油、丙二醇和烟碱等。所述烟液为液体,所述烟油为油状,所述烟胶为凝胶状,所述烟膏为膏状,所述烟丝包括天然的或人造的或萃取加工过的烟丝,所述烟叶包括天然的或人造的或萃取加工过的烟叶。烟料可以在被其它物质封存的形式下被加热,如保存在可遇热降解的包装中,例如微胶囊中,加热后所需挥发性物质从降解或有孔隙的封存包装中导出。
本申请实施例所述的烟料可以含有烟碱,也可以不含有烟碱。含有烟碱的烟料可以包括天然烟叶制品,以烟碱为原料制成的烟液、烟油、烟胶、烟膏、烟丝、烟叶等中的至少一种。烟液为水状,烟油为油状,烟胶为凝胶状,烟膏为膏状,烟丝包括天然的或人造的或萃取加工过的烟丝,烟叶包括天然的或人造的或萃取加工过的烟叶。不含有烟碱的烟料主要含有香味物质,例如香料,既可被雾化以起到模拟吸烟过程又起到戒烟等目的。在一实施例中,所述香料包括薄荷油。所述烟料还可包括其他添加剂,例如甘油和/或丙二醇。
低温加热烟中,烟料的整体加热温度被控制在较低温度(例如低于400℃)以减少有害物质生成。但另一方面,产生气溶胶速度越快越好,以模拟普通的点燃烟叶式香烟。但烟料通常是热的不良导体,在传统的低温加热烟中,热源的温度可能需要较高,才能使远离热源的烟料也能够在短时间被得到加热,但这容易使得靠近热源的烟料被加热到过高温度。
相对于此,在本申请实施例中,所述香烟的通电加热装置能够与香烟内各处的烟料较为充分、快速的热交换,使得即使所述通电加热装置的温度较低,位于所述香烟内各处的烟料也可以在基本相同的时间,或者很短的一段时间内被迅速加热至发出气溶胶,有效地同时实现低温和快速加热。在一些实施例中,所述烟料与所述通电加热装置充分地直接接触。为实现与所述烟料较为充分、快速的热交换,可以提高单位体积香烟具有的通电加热装置的表面积。在一些实施例中,单位体积的香烟具有的所述通电加热装置的表面积可以为约0.1cm
2/cm
3至约100cm
2/cm
3,在进一步的实施例中可以为约1.2cm
2/cm
3至约10cm
2/cm
3。
在一些实施例中,所述通电加热装置具有类二维结构,例如片状、层状或薄膜状,从而具有较大的表面积。更具体的,所述通电加热装置可以为由金属、合金或碳材料制造的箔层,例如铝箔、铜箔、碳纸、碳纤维纸或碳纳米管薄膜等。所述类二维结构的加热装置可以为刚性或柔性,例如可以具有一定强度,但能够被弯折。所述类二维结构的通电加热装置可以被进一步弯折或卷曲,使相同体积的香烟内部能容纳更大面积的所述通电加热装置。
优选的,所述类二维结构的通电加热装置为各处连续的导电体。所述连续优选是在类二维结构的二维面内各个位置均基本连续,即使在局部区域有不连续的开孔,所述开孔的尺寸可以较小,例如10纳米至1毫米。虽然由多条经线金属丝和/或纬线金属丝编织的栅网也可以看做类二维结构,但发明人发现相对于更为均匀连续的类二维导电体,当将金属丝自身宽度小于2毫米而开孔大于1毫米的金属丝栅网作为通电加热装置时,仍可能存在局部温度相对过高的问题,这是由于烟料是热的不良导体,无法快速的将热量传至相邻的烟料中,造成热量在金属丝附近的局部累积。
所述类二维结构的通电加热装置的厚度可以为10纳米至1毫米,在一实施例中为500纳米至500微米,在一实施例中为1微米至10微米。
请参阅图1A和图1B,在一实施例中,所述类二维结构的通电加热装置120呈螺旋形的设置在所述烟料110中。香烟100可采用卷烟的方式制造,即先将烟料形成烟料片,再将烟料片卷成棒状或杆状,在这一过程中,可以将所述类二维结构的通电加热装置120叠加在所述烟料片上,形成层叠结构,再将所述层叠结构卷成棒状或杆状,从而形成香烟100,则得到在所述烟料100中呈螺旋形的通电加热装置120。
请参阅图2A和图2B,在另一实施例中,所述类二维结构的通电加热装置120可以包裹在烟料110整体的外围。例如,所述烟料110整体形成棒状或杆状,所述通电加热装置120 被弯曲成筒状结构,套设在所述烟料110整体的外围。所述筒状结构的高度可以大于或等于所述棒状或杆状的烟料110整体的高度,以便使烟料110的各个区域更为均匀的被加热。
进一步的,所述香烟100还可以包括包裹所述烟料120整体的烟纸,例如包装纸,所述烟纸可以包裹在所述通电加热装置120的外围,或者夹于所述通电加热装置120和所述烟料110整体之间,在后一种情形中,所述包装纸优选具有较好的导热性。
在另一实施例中,所述通电加热装置120本身即可作为烟纸或支撑外管,在通电加热的同时起到包裹、支撑和容置所述烟料的作用。
在另一实施例中,所述筒状结构的通电加热装置120设置在所述烟料110中,一部分烟料110设置在所述筒状结构的通电加热装置120中,另一部分烟料110设置在通电加热装置120外,包裹所述通电加热装置120的外表面,从而使所述通电加热装置120的内外表面均充分与所述烟料接触。
请参阅图3A和图3B,两个或多个筒状结构的通电加热装置120相互套设并通过所述烟料110间隔,最内侧的通电加热装置120内部可填充烟料110,最外侧的通电加热装置120外部可被烟料110包裹。当然,最外侧的通电加热装置120外表面也可以不被烟料110包裹,例如可以作为烟纸或支撑管;最内侧的通电加热装置120内部也可不填充烟料110,例如用于安置其他元件,如支撑棒。
所述类二维结构的通电加热装置120不限于上述螺旋形结构或筒状结构,只要能够包覆所述烟料110、被所述烟料110包覆和/或置于所述烟料110中即可。例如,多个类二维结构的通电加热装置120可以在烟料110中相互堆叠设置,任意相邻的两个类二维结构的通电加热装置120通过烟料110间隔。或者,所述类二维结构的通电加热装置120可以弯折的设置在所述烟料中,例如弯折成锯齿形结构。
所述香烟100本身可以不包括电极,理论上只要将所述通电加热装置120的两端连接至电源的正负极即可对通电加热装置120供电,达到通电加热烟料110的目的。请参阅图1A至图1C,所述气溶胶生成装置的所述供电单元200包括两个分别与电源正负极电连接的电极224、222,所述两个电极224、222设置在所述供电单元200用于容纳所述香烟100的空腔中。并且,两个电极224、222的位置能够使所述香烟100插入所述空腔时正好使所述两个电极224、222与所述通电加热装置120的两端形成直接的物理接触,从而形成电连接。
请参阅图8A和图8B,为更好的使香烟100与供电单元200电连接,所述香烟100本身包括第一电极122(例如正极)和第二电极124(例如负极),用于在插入供电单元200后与所述供电单元200的正极222和负极224分别电连接。所述第一电极122和所述第二电极124相互间隔,分别与所述通电加热装置120的两端机械连接从而电连接,例如直接固定设置在通电加热装置120表面。所述第一电极122和所述第二电极124的材料可以为相对于通电加 热装置120导电性更好的材料,形态可以为层状、膜状、丝状、片状或块状等。所述第一电极122和所述第二电极124可以分别与所述通电加热装置120焊接、通过卡扣固定连接或通过导电胶粘结。或者,所述第一电极122和所述第二电极124也可以通过镀膜、喷涂或印刷的方式形成在所述通电加热装置120的表面。为方便的与外部电源连接,所述第一电极122和所述第二电极124可以暴露在所述香烟100表面,或者被香烟100的包装纸包裹,由使用者撕掉包装纸后暴露出第一电极122和第二电极124,再插入所述供电单元200。
请参阅图9,在一些实施例中,为了使所述类二维结构的通电加热装置120的各个位置均匀的通入电流从而使温度均匀,所述香烟100包括第一电极122和第二电极124,所述第一电极122和所述第二电极124分别设置在所述类二维结构的通电加热装置120沿第一方向x的两端,例如沿第一方向x相对的两边,并且所述第一电极122和所述第二电极124的形状为条带状,沿第二方向y横贯所述类二维结构的通电加热装置120。所述第一方向x与所述第二方向y在所述类二维结构的平面内,且相互交叉,例如相互垂直。这种设置方式可以避免通电加热装置120与第一电极122和第二电极124的接触电阻过大而导致的局部温度过高。所述第一电极122和第二电极124随所述类二维结构的通电加热装置120卷绕为筒状结构或螺旋状结构。请参阅图9,卷绕的方向可以是绕第一方向x,使所述第一电极122和第二电极124绕香烟100周向延伸,并设置在香烟100沿长度方向相对的两端。
请参阅图10,卷绕方向也可以是绕第二方向y,使所述第一电极122和第二电极124沿香烟100长度方向延伸。当所述类二维结构的通电加热装置120卷绕为螺旋状结构时,所述第一电极122可以设置在所述螺旋形的通电加热装置120的内侧边,所述第二电极124可以设置在所述螺旋形的通电加热装置120的外侧边。
可以理解,所述第一电极122和第二电极124的位置可以根据所述通电加热装置120的材料和结构,以及与所述供电单元200的电连接方式确定。
请参阅图11,在另一些实施例中,所述通电加热装置120可以包括粉末状、小片状、小颗粒状或短纤维状的通电加热材料126,所述通电加热材料126与所述烟料110均匀混合。具体的,所述通电加热材料126可以包括金属或合金的粉体、小片、小颗粒;碳粉、碳纤维粉末、石墨烯粉末和碳纳米管粉末中的至少一种。
粉末状或小颗粒状的通电加热材料126的粒径例如可以为1纳米至500微米。小片状的通电加热加热材料126的厚度例如可以为1纳米至500微米,长度和宽度例如可以为1纳米至5毫米。所述短纤维状的通电加热材料126的直径例如可以为1纳米至500微米,长度可以为1纳米至10毫米。
通电加热材料126的尺寸越小,比表面积越大,从而提高单位体积香烟100中的通电加热装置120的表面积。所述通电加热材料126在所述烟料110中均匀分布,且能够互相连接, 在烟料110中形成导电网络,使所有局部区域的烟料110附近均能够存在通电加热材料126,使烟料110在基本相同的时间同时被加热,进一步提高了加热效率。当所述香烟100包括第一电极122和第二电极124时,由所述通电加热材料126形成的导电网络能够使在第一电极122和第二电极124之间形成导电通路。
所述香烟可进一步包括粘结剂,将所述通电加热材料126与所述烟料110均匀混合后粘结在一起,在宏观上形成一个整体的且能够导电的烟料块,例如棒状或杆状,且导电烟料块内部为多孔结构以便空气流通。另外,也可以进一步在烟料块上开设一个或多个通孔,用于气流沿通孔流通。所述第一电极122和第二电极124可分别固定设置在所述烟料块的两端。
在另一实施例中,也可以预先将通电加热材料126制作成多孔的三维通电加热装置,成为导电骨架,再将烟料110填充或涂敷在导电骨架的孔道中,形成通电加热材料126与烟料110的复合物。例如,可以把多孔碳棒浸泡在烟油中,使多孔碳棒充分吸收烟油。
请参阅图12,所述香烟100可进一步包括支撑管或烟纸150,包裹在所述烟料110与所述通电加热材料126的混合物整体的外围,通过支撑管或烟纸150的支撑形成香烟100的形状。在此实施例中,所述烟料110与所述通电加热材料126的混合物可为松散的结合而无需粘结剂结合固定。例如,所述通电加热材料126为一些金属碎屑,与所述烟料110的烟丝或烟叶混合。所述第一电极122和第二电极124可分别固定在所述支撑管或烟纸150的两端,并与所述通电加热材料126形成物理接触从而实现电连接。例如,所述第一电极122和第二电极124可以印刷在烟纸150两个相对的边缘。这一实施例中的香烟100的外观可更加类似传统的燃烧式香烟。
如果与传统的卷烟工艺结合,所述烟料110和所述通电加热材料126可预先加入液相介质混合形成浆料,所述浆料涂布在底网表面或者磨制成型,干燥后形成导电烟料片或烟料块,再将所述导电烟料片或烟料块卷成棒状或杆状,外部包裹烟纸150或设置在支撑管中,形成香烟100。或者,可以将柔性多孔导电材料,例如碳纤维纸或导电多孔碳浸泡在烟油中形成导电烟料片,再将所述导电烟料片卷成棒状或杆状,外部包裹烟纸150或设置在支撑管中,形成香烟100。
可以理解,上述实施例相互之间可以组合,所述香烟100可以同时包括两个或多个不同实施例的通电加热装置120。例如,所述香烟100的烟纸150为金属箔或碳纳米管薄膜,所述烟料126还与所述通电加热材料126,例如金属粉或碳粉混合。
可以理解,与烟料110混合的通电加热材料126还可以起到导热作用,更快速或更均匀地将热量传导到香烟100的内部。在一实施例中,所述香烟100可包括导热材料,与所述烟料110均匀混合,使热量更快速或更均匀的传导到香烟100内部的各局部位置。所述导热材料可以包括粉末状、小片状、小颗粒状或短纤维状的导热材料,例如金属或合金的粉体、小 片、小颗粒;碳粉、碳纤维粉末、石墨烯粉末和碳纳米管粉末中的至少一种。
请一并参阅图1C、图6A和图7B,所述香烟100可进一步包括绝热层140,所述绝热层140将所述烟料110分隔为相互热隔离的多个部分。每个部分的烟料110周围可以设置独立控制的通电加热装置120,可以使所述多个部分的烟料110能够相互独立地依次加热。在一实施例中,可以为每个部分的烟料110提供单独的通电加热装置120,并可进一步提供单独的第一电极122和第二电极124。多对电极122,124分别用于连接至供电单元200的控制电路230,实现独立控制。每个部分的烟料110的材料不同,可以产生不同风味的气溶胶,通过单独加热或者加热其中的不同组合,可以得到风味多样的烟雾。
所述香烟可进一步包括过滤嘴130,设置在所述香烟100长度方向上的一端,并位于气流流出端,所述香烟100长度方向的另一端为气流流入端。
在本申请实施例中,由于通电加热装置是在制造香烟时加入烟料中,通电加热装置的材料的选择面可以更广,例如可以选择柔性材料,甚至无固定形状的导电粉末、纤维或颗粒,能够更好的实现香烟中的各个局部区域的烟料被充分和均匀的加热。
上述列举的电热材料,相比于其它加热材料具有的更快的加热性能、更强的柔韧性、更高的强度和更大的比表面积,在施以电压的情况下,更有利于快速升温,加热效率高。通过调节通入电热材料的电压和/或电流,可调节加热温度,快速启动或重新启动加热,例如只有在吸烟者吸烟时才加热。通电后的通电加热装置可以均匀发热,也使得烟料均匀受热转变成雾气。在一些实施例中,纤维状、柱状和片状的通电加热装置分散或包裹在所述烟料中;薄膜状的通电加热装置包覆烟料和/或置于烟料中,烟料为固体、液体或者半固体。所述通电加热装置可以和烟料充分接触,使加热面积超过市面上的其它大多数电子烟和低温加热烟产品,所述加热结构和方式所需的电压低、耗电少、加热效率高、机械强度大。具有所述通电加热装置的香烟的电子烟和低温加热烟无需点火,产生焦油量较少,可以既满足吸烟的要求,又能最大限度的避免环境污染和对周围人群的影响。
本申请实施例的香烟除了可应用在电子烟和低温加热烟,还可应用于其它对需要对特定材料进行加热的装置,包括但不限于通电加热的水烟、烟斗和医用大麻加热装置。
实施例1:
实施例1为含有碳纳米管薄膜的电子烟和低温加热烟的加热装置120。如图1A至1C所示,该电子烟或低温加热烟包括配套使用的两个部分,与电池连接用于供电的套筒200如图1C,以及包含薄膜状加热件120和烟料110的专用香烟100如图1A。该专用香烟100内置通电加热装置120,其内部的通电加热装置120通电自发热,烟料110加热后通过过滤嘴130吸食。套筒200上设置空腔用于插入专用香烟100,该空腔与专用香烟100形状适配,两者接触的位置设置触点或者触条222,224用于供电。本实施例中,通电加热装置120为碳纳米 管薄膜材料制成,使用碳纳米管薄膜与烟料同时卷成卷紧片状的发条结构,其截面如图1B,烟料110置于卷紧片的空隙中,使得碳纳米管薄膜包覆烟料110。螺旋形中心接电源210正极,螺旋形末端接电源210负极,当专用香烟插入烟嘴中,碳纳米管薄膜上条形的正负极与烟嘴内壁电源连线接通被施加电压,烟料均匀地被快速加热。
实施例2:
实施例2为含有碳纳米管薄膜的电子烟和低温加热烟的加热装置120。该电子烟或低温加热烟包括配套使用的两个部分,用于供电的套筒(图中未示出,与图1结构类似),以及包含薄膜状加热件120和烟料110的专用香烟100如图2A。套筒和专用香烟100的主要结构与实施例1中类似,主要区别之处是该专用香烟100使用碳纳米管薄膜与烟料110同时卷成圆筒型,其截面如图2B,烟料110置于圆筒内部,使得碳纳米管薄膜包覆烟料110,烟料110可以在被其它物质封存的形式下被加热,如保存在可遇热降解的包装中;或者烟料110与薄膜位置变换,烟料110置于圆筒外部,使得烟料包覆碳纳米管薄膜(图中未示出)。当专用香烟100插入套筒中,碳纳米管薄膜与套筒内壁的电源正负极连线(图中未标出)接通被施加电压,烟料均匀地被快速加热。
实施例3:
实施例3为含有碳纳米管薄膜的电子烟和低温加热烟的加热装置120。该电子烟和低温加热烟包括配套使用的两个部分,用于供电的套筒(图中未示出,与图1结构类似),以及包含薄膜状加热件120和烟料110的专用香烟100如图3A。套筒和专用香烟100的主要结构与实施例1中类似,主要区别之处是该专用香烟100使用碳纳米管薄膜与烟料110同时卷成同心圆筒型,其截面如图3B,烟料110置于同心圆筒型内部和位于同心圆筒内壁与外壁之间,碳纳米管薄膜作为烟料110的内层和外层表面。使得碳纳米管薄膜包覆烟料110。当专用香烟100插入套筒中,碳纳米管薄膜与套筒内壁的电源正负极连线(图中未标出)接通被施加电压,烟料均匀地被快速加热。
实施例4:
实施例4为含有合金电热丝的电子烟和低温加热烟的加热装置120。该电子烟和低温加热烟包括配套使用的两个部分,用于供电的套筒(图中未示出,与图1结构类似),以及包含片状合金电热丝加热件120和烟料110的专用香烟100如图4A。套筒和专用香烟100的主要结构与实施例1中类似,主要区别之处是该专用香烟100使用合金电热丝设置为平行并排设置的片状,其结构如图4B,烟料110置于相邻片状的空间中,使得片状合金电热丝置于烟料110中。当专用香烟100插入套筒中,每个片状的合金电热丝的两端与电源正负极连线(图中未标出)接通被施加电压,烟料110均匀地被快速加热。
实施例5:
实施例5为含有合金电热丝的电子烟和低温加热烟的加热装置120。该电子烟和低温加热烟包括配套使用的两个部分,用于供电的套筒(图中未示出,与图1结构类似),以及包含片状合金电热丝加热件120和烟料110的专用香烟如图5A。套筒和专用香烟100的主要结构与实施例1中类似,主要区别之处是该专用香烟100使用合金电热丝设置为波浪形的片状结构,其结构如图5B,烟料110填充专用香烟100并且烟料110与波浪形接触,使得合金电热丝置于烟料110中。当专用香烟100插入套筒中,每个片状的合金电热丝的两端与电源正负极连线(图中未标出)接通被施加电压,烟料110均匀地被快速加热。在本实施例的延伸实施例中,专用香烟100中使用合金电热丝并排设置多个波浪形的片状结构,烟料110置于相邻波浪形的空间中,当专用香烟100插入套筒中,每个波浪形的合金电热丝的两端与电源正负极连线接通(图中未标出)被施加电压,烟料110均匀地被快速加热。
实施例6:
本实施例为实施例1的延伸实施例。该电子烟和低温加热烟包括配套使用的两个部分,用于供电的套筒(图中未示出,与图1结构类似),以及包含薄膜状加热件120和烟料110的专用香烟100如图6A,套筒和专用香烟100的主要结构与实施例1中类似,主要区别之处是该专用香烟100使用碳纳米管薄膜与烟料110同时卷成条状,其结构如图6B,该条状的专用香烟100中设置一个绝热层140,该绝热层140将专用香烟100分隔为图中第1部分和第2部分。当然,设置n个绝热层140就可以将专用香烟分隔为n+1个部分。不同部分分别在不同时间点被施加电压后,可以分批次顺序加热。
实施例7:
本实施例为实施例3的延伸实施例,该电子烟和低温加热烟包括配套使用的两个部分,用于供电的套筒(图中未示出,与图1结构类似),以及包含薄膜状加热件120和烟料110的专用香烟100如图7A,套筒和专用香烟100的主要结构与实施例1中类似,主要区别之处是该专用香烟使用碳纳米管薄膜与烟料同时卷成同心圆筒型,其截面如图7B,烟料110置于同心圆筒型内部,位于同心圆筒内壁与外壁之间,碳纳米管薄膜作为烟料110的内层和外层表面。内层和外层之间设置一个绝热层140,该绝热层140将专用香烟100分隔为图中第1部分和第2部分。当然,如果有3层碳纳米管薄膜同心圆设置,即可在其间设置2个绝热层140,该绝热层140将专用香烟110分隔为3个部分。同理,如果有n层碳纳米管薄膜同心圆设置,即可在其间设置n-1个绝热层140,该绝热层140将专用香烟100分隔为3个部分。不同部分分别在不同时间点被施加电压后,可以分批次顺序加热。
实施例8:
将上述实施例1、2、3、6、7中通电加热装置的材料碳纳米管薄膜更换为石墨烯薄膜、碳纤维/碳纤维薄膜,用于加热烟料。加热装置的材料也可以为碳纳米管、碳纳米管薄膜、石 墨烯、碳纤维、碳纤维薄膜、碳膜、碳纤维布中至少两种制成的复合材料,例如碳纳米管与碳纤维混合制成的薄膜。或者,将实施例4和5中的合金电热丝替换为其它种类的通电发热的金属、合金和金属化合物,例如金、银、铜、铝、镍、铬、铁、不锈钢、镍铬合金、金属氧化物、铁铬铝合金、钯合金和非晶态金属合金中的一种或几种。
实施例9:
将上述实施例1、2、3、6、7中加热装置的材料碳纳米管薄膜更换为固体复合材料用于加热烟料,例如,硅橡胶、橡胶和导电高分子复合得到的复合材料,碳纤维和石墨烯复合得到的复合材料,导电高分子和陶瓷复合得到的复合材料,碳纤维纸,碳纸。或者,将将上述实施例1、2、3、6、7中加热装置的材料碳纳米管薄膜更换为聚酰亚胺薄膜用于加热烟料当然,也可以使用聚酰亚胺涂层、聚酰亚胺纤维薄膜。
实施例10:
将上述实施例1-9中制备加热装置的加热材料做成小片状或短纤维状或粉末状或小颗粒状,混入所述烟料或者烟纸,使得通电加热材料密度或浓度大于预设范围,具体密度或浓度范围以加热材料能够形成互相连接为准,通电加热材料互相连接形成所述加热装置。只要对混和了通电加热材料的烟料通电,即可实现对烟料的整体均匀加热。
实施例11:
将上述实施例1-7中烟料替换为天然烟叶制品,得到与上述结构类似的低温加热烟。
实施例12
请参阅图8A和图8B,实施例12为具有第一电极122和第二电极124的香烟100,所述通电加热装置120为类二维结构,包裹在烟料110整体的外围,成为筒状结构的通电加热装置120。所述筒状结构的通电加热装置120的高度等于烟料110整体的高度,以便使烟料的各个区域更为均匀的被加热。所述第一电极122和第二电极124分别设置在所述筒状结构的通电加热装置120的高度方向的两端。
实施例13
请参阅图10,实施例13与实施例12相似,区别在于所述第一电极122和第二电极124相互平行,且平行于所述筒状结构的通电加热装置120的高度方向,所述第一电极122和第二电极124垂直于所述高度方向的连线经过所述筒状结构的轴心,将所述通电加热装置120划分为两个相等的区域。
实施例14
请参阅图11和图12,实施例14为通电加热装置120包括多个与烟料110均匀混合的通电加热材料126的实施例。所述通电加热材料126在烟料110中形成导电网络,所述第一电极122和第二电极124设置在混合结构整体的两端,并与导电网络导通,或者设置在包裹所 述混合结构的烟纸150的两端,并与导电网络导通。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本申请专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本申请构思的前提下,还可以做出若干变形和改进,这些都属于本申请的保护范围。因此,本申请专利的保护范围应以所附权利要求为准。
Claims (26)
- 一种通电加热装置,其特征在于,所述通电加热装置能够包覆烟料、被烟料包覆和/或置于烟料中。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置为纤维状、柱状、片状或者薄膜状。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置的材料包括以碳为部分或全部组成元素的衍生物和/或化合物,或者通电发热的金属、合金和/或金属化合物。
- 根据权利要求3所述的通电加热装置,其特征在于,所述以碳为部分或全部组成元素的衍生物和/或化合物包括碳纳米管、碳纳米管薄膜、石墨烯、碳纤维、碳纤维薄膜、碳膜、碳纤维布、碳纤维纸、碳纸中的一种或几种。
- 根据权利要求3所述的通电加热装置,其特征在于,所述通电发热的金属包括金、银、铜、铝、镍、铬、铁和不锈钢中的一种或多种;所述通电发热的合金和/或金属化合物包括镍铬合金、金属氧化物、铁铬铝合金、钯合金和非晶态金属合金等中的一种或几种。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置为薄膜状,所述薄膜状的通电加热装置设置为卷紧片状的发条结构,用于将所述烟料置于所述卷紧片的空隙中,或用于将所述烟料承载于所述卷紧片表面。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置为薄膜状,所述薄膜状的通电加热装置设置为圆筒型或球型,用于将烟料置于该圆筒或球体内部,或用于将所述烟料承载于所述圆筒或球体表面。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置为薄膜状,所述薄膜状的通电加热装置设置为同心圆筒型,用于将所述烟料置于所述同心圆筒内壁与外壁之间,或用于将所述烟料承载于所述同心圆筒的筒壁上。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置为薄膜状,所述薄膜状的通电加热装置设置为平行并排设置的片状,用于将所述烟料置于相邻片状的空间中,或用于将所述烟料承载于所述片状的通电加热装置上。
- 根据权利要求1所述的通电加热装置,其特征在于,所述通电加热装置为薄膜状,所述薄膜状的通电加热装置设置为波浪形的片状结构,所述烟料与所述波浪形的片状结构接触。
- 根据权利要求1中所述的通电加热装置,其特征在于,所述通电加热装置包括粉末状、小片状、颗粒状或纤维状的通电加热材料,所述通电加热材料用于与所述烟料混合并且相互连接形成导电通路。
- 根据权利要求1中所述的通电加热装置,其特征在于,所述通电加热装置的两端用 于与电源的正负极电连接,通过电阻发热和/或红外线发热。
- 根据权利要求1所述的通电加热装置,其特征在于,制备所述通电加热装置的材料包括固体复合材料,所述固体复合材料由两种或两种以上物理和化学性质不同的物质组成,其中一种物质为含金属、半导体、导电高分子、合金或碳材料的可导电物质,其它物质包括树脂、橡胶、陶瓷、纤维和人工合成高分子化合物中的至少一种。
- 根据权利要求13所述的通电加热装置,其特征在于,所述固体复合材料包括硅橡胶、橡胶和导电高分子复合得到的复合材料,碳纤维和石墨烯复合得到的复合材料,导电高分子和陶瓷复合得到的复合材料中的至少一种。
- 一种根据权利要求1至14中任一项所述的通电加热装置的应用,其特征在于,应用于通电加热的卷烟、水烟、烟斗或医用大麻加热装置。
- 一种香烟,其特征在于,包括烟料和根据权利要求1至14中任一项所述的通电加热装置。
- 根据权利要求16所述的香烟,其特征在于,所述通电加热装置同时为烟纸,或者所述香烟包括能够通电加热的复合烟纸,所述复合烟纸包括通电加热材料。
- 根据权利要求16所述的香烟,其特征在于,还包括空间上相互间隔的第一电极和第二电极,分别设置在所述通电加热装置两端并与所述通电加热装置电连接。
- 根据权利要求16所述的香烟,其特征在于,所述烟料为圆柱型、球型或长方体,所述通电加热装置为薄膜状,设置于所述圆柱型、球型或长方体的所述烟料的内部或外部。
- 根据权利要求16所述的香烟,其特征在于,所述通电加热装置为类二维结构,所述第一电极和第二电极为条带状,分别设置在所述类二维结构相对的两边。
- 根据权利要求16所述的香烟,其特征在于,还包括绝热层,所述绝热层将所述烟料分隔为相互热隔离的多个部分,使所述多个部分的烟料能够相互独立地依次加热。
- 根据权利要求16所述的香烟,其特征在于,所述烟料为固体、液体或者半固体。
- 一种气溶胶生成装置,其特征在于,开设有用于容纳根据权利要求16至22中任一项所述香烟的空腔,并具有用于为所述香烟的所述通电加热装置供电的电源正负极。
- 根据权利要求23所述的气溶胶生成装置,其特征在于,还包括电压和/或电流调节装置、电源和开关。
- 根据权利要求23所述的气溶胶生成装置,其特征在于,为电子烟、低温加热烟、通电加热的卷烟、水烟、烟斗或医用大麻加热装置。
- 一种气溶胶生成系统,其特征在于,包括根据权利要求16至22中任一项所述的香烟。
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