CN104223359A - Novel cigarette heater provided with aerogel heat-insulating layer - Google Patents
Novel cigarette heater provided with aerogel heat-insulating layer Download PDFInfo
- Publication number
- CN104223359A CN104223359A CN201410418052.0A CN201410418052A CN104223359A CN 104223359 A CN104223359 A CN 104223359A CN 201410418052 A CN201410418052 A CN 201410418052A CN 104223359 A CN104223359 A CN 104223359A
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- Prior art keywords
- aeroge
- phase
- aerogel
- thermal insulation
- heating element
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Classifications
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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
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F13/00—Appliances for smoking cigars or cigarettes
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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
- A24F40/20—Devices using solid inhalable precursors
Abstract
The invention discloses a novel cigarette heater provided with an aerogel heat-insulating layer. The novel cigarette heater comprises a shell 1, a heating element 3, a heating chamber 4 formed by the heating element 3, and a heat-insulating layer 2 positioned between the heating element 3 and the shell 1. The novel cigarette heater is characterized in that the heat-insulating material of the heat-insulating layer 2 is aerogel; the heat-insulating layer 2 is partitioned into an inner layer 2-1 and an outer layer 2-2; the inner layer 2-1 is in direct contact with the heating element 3; the outer layer 2-2 is positioned between the inner layer 2-1 and the shell 1; the aerogel porous structure of the outer layer 2-2 of the heat-insulating layer 2 is filled and/or adsorbed with a phase change material. The aim of protecting a user is fulfilled in the presence of the heat-insulating layer; moreover, the heat loss of the heating element can be reduced, and the heat energy utilization ratio is increased.
Description
Technical field
The invention belongs to technical field of cigarettes, be specifically related to a kind of new cigarette heater with thermal insulation layer.
Background technology
Along with the public to the reinforcement of traditional cigarette recognizing dangers and government to the increasing of traditional cigarette control dynamics, countries in the world tobacco enterprise all strengthens the exploitation to novel tobacco goods, ites is desirable to can to reduce to greatest extent on the basis meeting consumer demand the harm that tobacco brings.Wherein, new cigarette passes through heat tobacco but not burning tobacco, nicotine and fragrance is transmitted to human body in the mode of toasting out the fragrance matter in tobacco, at physiology impression, psychological response, to suck in mode etc. relatively traditional cigarette, easily being accepted by tobacco consumer, is the extremely potential novel tobacco goods of a class.Therefore, Development of Novel cigarette, accelerating by the extension of traditional cigarette to new cigarette, is one of important means promoting tobacco business future development.
Heating-up temperature when new cigarette uses, usually at 500 DEG C, in order to ensure that consumer is not burned in use or burns, needs between new cigarette housing and heating chamber, arrange a thermal insulation layer.On the one hand, thermal insulation layer can play thermal insulation protection; On the other hand, thermal insulation layer can also reduce the thermal loss of heater, thus improve heat utilization rate, reduce costs.At present, new cigarette is still in research and development, and market does not also occur salable item.Wherein, the design of thermal insulation layer is a great problem in new cigarette research and development.Therefore, choose suitable insulating layer material, the new cigarette heater of exploitation effect of heat insulation excellence has great importance.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of new cigarette heater with aerogel heat-proof layer, it has thermal insulation protection, reduces the effect of heat-energy losses.
The present invention relates to a kind of new cigarette heater with aerogel heat-proof layer, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1, it is characterized in that: the heat-barrier material of described thermal insulation layer 2 is aeroge and described thermal insulation layer 2 is divided into internal layer 2-1 and outer 2-2, internal layer 2-1 directly contacts with heating element heater 3, and outer 2-2 is then between internal layer 2-1 and housing 1; And in the aeroge loose structure of the outer 2-2 of described thermal insulation layer 2, fill and/or be adsorbed with the phase-change material of 2%-20% volume fraction.
Described phase-change material refers in certain temperature range, utilize the physical state of material own, the such as change of phase (such as solid state transformed is liquid state etc.) or structure (such as the degree of polymerization, crystal formation etc.), absorb or release latent heat of phase change to environment, thus reach a class material of Regulate Environment temperature.When environment temperature is higher than phase transition temperature, material absorbs and store heat, to reduce environment temperature; When environment temperature is lower than phase transition temperature, the heat that material release stores, to improve environment temperature.If phase is respectively solid and liquid before and after phase-change material phase transformation, then its phase-change type is solid-liquid, and such phase-change material is called solid-liquid phase change material; If phase is solid before and after phase-change material phase transformation, Gu then its phase-change type for solid-, such phase-change material is called solid-solid phase transition material.For solid-liquid phase change, when phase-change material is heated to fusion temperature, just produce from solid-state to the phase transformation of liquid state, in the process of fusing, phase-change material absorbs and stores a large amount of latent heat; When phase-change material cools, the heat of storage will be dispersed in environment and go in certain temperature range, carries out from liquid state to solid-state reverse transformation.In these two kinds of phase transition process, energy that is stored or release is called latent heat of phase change.When physical state changes, the temperature of material self almost remains unchanged before phase transformation completes, and forms a wide temperature platform, although temperature-resistant, absorb or the latent heat of release quite large.
The existence of thermal insulation layer 2 can completely cut off the heat of heater, reduces feel temperature, plays the effect of protection user; The heat loss of heating element heater can be reduced simultaneously, improve heat utilization rate, reduce costs.Described thermal insulation layer of the present invention plays the effect of effect of heat insulation from two aspects: be the existence of aerogel material on the one hand, aeroge be a kind of by ultramicro powder mutually coalescent form and high dispersive solid-state material using air as decentralized medium, there is the three-dimensional manometer network structure of high-permeability, its most high energy bears the high temperature of 1400 DEG C and thermal conductivity is low, insulating capacity is good, inherently excellent heat-barrier material; On the other hand for be filled with phase-change material in described aerogel material, it is the effect of heat insulation that the normal temperature phase change material of normal temperature to 90 DEG C is used for can significantly strengthening in the thermal insulation layer of new cigarette thermal insulation layer by phase transition temperature, when user aspirates new cigarette, once the temperature of heating chamber is higher than the phase transition temperature of phase-change material, phase-change material will utilize the change of oneself phase own or structure to absorb and store heat, the temperature of thermal insulation layer outside is unlikely and is too high; And after suction terminates, time below the phase transition temperature that temperature is reduced to this phase-change material, phase-change material then can discharge the heat of storage, and return to the state before heat absorption phase transformation, so recycle, play the effect regulating temperature.
In a preferred embodiment of the present invention, described aeroge is inorganic aerogels, organic aerogel or hybrid inorganic-organic aeroge.In a further preferred embodiment, wherein said inorganic aerogels is the combination of any one or they in aerosil, titania aerogel, alumina aerogels, tin oxide aeroge, zirconia aerogels, vanadium oxide aeroge; Wherein said organic aerogel is resorcinol-formaldehyde aeroge, the combination of any one or they in carbamide aeroge, graphene aerogel, polyimide aerogels, shitosan aeroge, chitin aerogel, cellulose aerogels or the carbon aerogels prepared by above organic aerogel; Wherein said hybrid inorganic-organic aeroge is the combination of any one or they in silsesquioxane gel, bridging silsesquioxane gel and plural gel, and wherein said plural gel is obtained by described inorganic gel, organogel and silsesquioxane compound.
According to further technical scheme, described aeroge is mixed with heat resistance fiber, prepare fibre-reinforced aerogel composite, wherein said heat resistance fiber is the combination of any one or they in quartz fibre, basalt fibre, mullite fiber, carbon fiber, silicon carbide fibre, alumina fibre or borosilicate carbon nitrogen fiber.
According to further technical scheme, the application form of wherein said aeroge is flexible mat, composite and flexible felt, particle or powder.When the application form of described aeroge be particle or powder time, at outer surface spraying aeroge coating and/or parcel one deck aluminium foil of described aeroge, prevent aerogel powder or particle from dropping.
In a preferred embodiment of the present invention, described phase-change material is organic phase-change material, inorganic-organic hybridization class phase-change material and/or composite phase-change material.In a further preferred embodiment, wherein said organic phase-change material be selected from aliphatic hydrocarbon (such as paraffin) that phase-change type is solid-liquid solid, aliphatic acid and fatty acid ester and/or phase-change type be solid-neopentyl glycol, trimethylolethane, one or more in polyethylene glycol.
Wherein said inorganic-organic hybridization class phase-change material be selected from silica-fatty acid complexes, imvite-fatty acid complexes, perlite-fatty acid complexes or ultralight pottery sand-fatty acid complexes one or more; It is the phase-change microcapsule with nucleocapsid structure that the film (such as using carbamide as film material) of organic phase-change material Surface coating one deck stable performance of solid-liquid is formed in phase-change type that wherein said composite phase-change material comprises application microcapsules technology.Or solid-liquid organic phase change material can be infiltrated from sub-micron in the porous media aperture space of hundreds of microns, occupy space, most hole, thus form composite phase-change material.Composite phase-change material solves solid-liquid phase change material and uses inconvenient shortcoming, and its production technology is simple, and non-corrosiveness, performance is more stable.When being applied to the thermal insulation layer of new cigarette, phase-change material can be filled or be adsorbed onto in aeroge hole, occupy space, most of hole, the composite of formation can have significant phase-change thermal storage cooling function and excellent endurance quality.
In further preferred embodiment, described phase-change material is solid-solid phase transition material, described solid-solid phase transition material utilizes the change of self-polymerization degree or crystal formation etc. to change own physical state, thus the temperature of material self is almost remained unchanged before and after phase transformation.For the solid-solid phase transition material changed by crystal formation, when solid-solid phase transition material absorbs heat, originally orderly crystalline structure becomes disorderly and unsystematic, or be another kind of crystal formation from a kind of transformation of crystal, thus store energy in phase-change material, and when the environment temperature decreases, phase-change material itself releases energy, come back in originally orderly crystalline structure.In above-mentioned crystal transfer process, the temperature of material itself substantially remains unchanged or only has very little change.Solid-solid phase transition material has the following advantages: (1), can directly machine-shaping without the need to container splendid attire; (2) the solid-solid phase change coefficient of expansion is less, and Volume Changes is little; (3) degree of supercooling is light, without phenomenon of phase separation; (4) nontoxic, corrosion-free, pollution-free; (5) thermal efficiency is high, stable performance, long service life; (6) easy to use, device is simple.
In a preferred embodiment of the present invention, the thickness of described thermal insulation layer 2 is 1mm-10mm, is preferably 2mm-8mm.
In a preferred embodiment of the present invention, wherein said thermal insulation layer 2 is covering heating elements 3 completely, and its shape changes with the change in shape of heating element heater 3.
Use thermal insulation layer of the present invention, its thermal conductivity factor is at room temperature lower than 0.03W/mK, and the temperature of housing, lower than 0.05W/mK, can be remained on room temperature between 45 DEG C by thermal conductivity factor when 500 DEG C, and preferred room temperature is between 40 DEG C.The maximum operation (service) temperature of the heating element heater contacted with described thermal insulation layer is between 600 DEG C to 1000 DEG C.
Beneficial effect of the present invention is:
1, aerogel heat-proof layer can completely cut off the heat of heater well, reduces feel temperature, ensures the temperature <45 DEG C of housing.
2, thermal insulation layer can retarding heat loss, and economize energy, increases operation rate.
3, fill in aeroge hole or be adsorbed with decalescence material, can strengthen its heat-insulating capability, under making same heat-insulating capability, aerogel layer can be thinner, and this is conducive to using in this accurate device of new cigarette.
4, structure of the present invention is simple, easily manufactured, with low cost, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation with the new cigarette heater of aerogel heat-proof layer of the present invention.
Wherein: 1, housing; 2, thermal insulation layer; 2-1, internal layer; 2-2, skin; 3, heating element heater; 4, heating chamber.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but should not be construed as limitation of the present invention.
Embodiment 1
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is bridging silsesquioxane aeroge, and application form is flexible mat, is filled with the imvite-fatty acid complexes of 2% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 5 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 45 DEG C.
Embodiment 2
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is for resorcinol-formaldehyde aeroge and be wherein mixed with quartz fibre, application form is particle and at described aerogel material surface parcel one deck aluminium foil, is filled with the Macrogol 2000 of 5% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 8 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 40 DEG C.
Embodiment 3
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is aerosil, and application form is powder and at described aerogel material face coat one deck aluminium foil, is filled with the oleic acid of 10% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 2 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 38 DEG C.
Embodiment 4
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is zirconia aerogels, and application form is composite and flexible felt, is filled with the phase-change microcapsule be made up of ethyl oleate coated one deck carbamide film of 8% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 3 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 42 DEG C.
Embodiment 5
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is for graphene aerogel and be wherein mixed with basalt fibre and mullite fiber, application form is particle and in described aerogel material surface spraying one deck aeroge coating, is filled with the laurate-capric acid of 5% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 8 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 40 DEG C.
Embodiment 6
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is silsesquioxane gel, and application form is particle, is filled with the laurate-capric acid of 5% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 10 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 40 DEG C.
Embodiment 7
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is silsesquioxane gel, and application form is flexible mat, is filled with the neopentyl glycol of 20% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 1 millimeter, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 40 DEG C.
Embodiment 8
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is silsesquioxane gel, and application form is flexible mat, is filled with the trimethylolethane of 5% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 10 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 39 DEG C.
Embodiment 9
Adopt the new cigarette heater with aerogel heat-proof layer as shown in Figure 1, it comprises housing 1, heating element heater 3, the heating chamber 4 formed by described heating element heater 3 and the thermal insulation layer 2 between described heating element heater 3 and described housing 1.The aerogel material that described thermal insulation layer uses is silsesquioxane gel, and application form is flexible mat, is filled with the paraffin of 5% volume fraction in the outer field aeroge of thermal insulation layer.The thickness of described thermal insulation layer is 4 millimeters, and when the temperature of heating element heater reaches 600 DEG C, the temperature of housing is 39 DEG C.
Claims (10)
1. one kind has the new cigarette heater of aerogel heat-proof layer, it comprises housing (1), heating element heater (3), the heating chamber (4) formed by described heating element heater (3) and the thermal insulation layer (2) be positioned between described heating element heater (3) and described housing (1), it is characterized in that: the heat-barrier material of described thermal insulation layer (2) is aeroge, and described thermal insulation layer (2) is divided into internal layer (2-1) and outer (2-2), internal layer (2-1) directly contacts with heating element heater (3), outer (2-2) is then positioned between internal layer (2-1) and housing (1), and in the aeroge loose structure of the skin (2-2) of described thermal insulation layer (2), fill and/or be adsorbed with the phase-change material of 2%-20% volume fraction.
2. the new cigarette heater of claim 1, wherein said aeroge is inorganic aerogels, organic aerogel or hybrid inorganic-organic aeroge.
3. the new cigarette heater of claim 2, wherein said inorganic aerogels is the combination of any one or they in aerosil, titania aerogel, alumina aerogels, tin oxide aeroge, zirconia aerogels, vanadium oxide aeroge; Wherein said organic aerogel is resorcinol-formaldehyde aeroge, the combination of any one or they in carbamide aeroge, graphene aerogel, polyimide aerogels, shitosan aeroge, chitin aerogel, cellulose aerogels or the carbon aerogels prepared by above organic aerogel; Wherein said hybrid inorganic-organic aeroge is the combination of any one or they in silsesquioxane gel, bridging silsesquioxane gel or plural gel, and wherein said plural gel is obtained by described inorganic gel, organogel and silsesquioxane compound.
4. the new cigarette heater any one of claim 1-3, wherein described aeroge is mixed with heat resistance fiber, prepare fibre-reinforced aerogel composite, wherein said heat resistance fiber is the combination of any one or they in quartz fibre, basalt fibre, mullite fiber, carbon fiber, silicon carbide fibre, alumina fibre or borosilicate carbon nitrogen fiber.
5. the new cigarette heater of claim 1, the application form of wherein said aeroge is flexible mat, composite and flexible felt, particle or powder.
6. the new cigarette heater of claim 5, when the application form of described aeroge be particle or powder time, at outer surface spraying aeroge coating and/or parcel one deck aluminium foil of described aeroge, prevent aerogel powder or particle from dropping.
7. the new cigarette heater of claim 1, wherein said phase-change material is organic phase-change material, inorganic-organic hybridization class phase-change material and/or composite phase-change material.
8. the new cigarette heater of claim 7, solid wherein said organic phase-change material be selected from aliphatic hydrocarbon, aliphatic acid and fatty acid ester that phase-change type is solid-liquid and/or phase-change type be solid-neopentyl glycol, trimethylolethane, one or more in polyethylene glycol; Wherein said inorganic-organic hybridization class phase-change material be selected from silica-fatty acid complexes, imvite-fatty acid complexes, perlite-fatty acid complexes or ultralight pottery sand-fatty acid complexes one or more; It is the phase-change microcapsule with nucleocapsid structure that the film of organic phase-change material Surface coating one deck stable performance of solid-liquid is formed in phase-change type that wherein said composite phase-change material comprises application microcapsules technology.
9. the new cigarette heater of claim 1, the thickness of wherein said thermal insulation layer (2) is 1mm-10mm.
10. the new cigarette heater of claim 1, wherein said thermal insulation layer (2) is covering heating elements (3) completely, and its shape changes with the change in shape of heating element heater (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418052.0A CN104223359A (en) | 2014-08-22 | 2014-08-22 | Novel cigarette heater provided with aerogel heat-insulating layer |
| PCT/CN2014/090719 WO2016026219A1 (en) | 2014-08-22 | 2014-11-10 | Cigarette heater having aerogel heat-insulating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418052.0A CN104223359A (en) | 2014-08-22 | 2014-08-22 | Novel cigarette heater provided with aerogel heat-insulating layer |
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| CN104223359A true CN104223359A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410418052.0A Pending CN104223359A (en) | 2014-08-22 | 2014-08-22 | Novel cigarette heater provided with aerogel heat-insulating layer |
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| WO (1) | WO2016026219A1 (en) |
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