CN105520198A - Electronic cigarette and atomizing chamber thereof - Google Patents
Electronic cigarette and atomizing chamber thereof Download PDFInfo
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- CN105520198A CN105520198A CN201610061277.4A CN201610061277A CN105520198A CN 105520198 A CN105520198 A CN 105520198A CN 201610061277 A CN201610061277 A CN 201610061277A CN 105520198 A CN105520198 A CN 105520198A
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- spray chamber
- electronic cigarette
- polyalcohol
- cotton
- adjustment member
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Abstract
The invention discloses an atomizing chamber of an electronic cigarette. An outlet temperature regulation component is arranged at the outlet position of the atomizing chamber, and is a polyhydric alcohol fiber composite phase change material arranged in the atomizing chamber in a filling manner; and the polyhydric alcohol fiber composite phase change material is composed of polyhydric alcohol pentaerythritol and tris(hydroxymethyl) aminomethane. The invention further discloses the electronic cigarette comprising the atomizing chamber. According to the invention, through phase-change heat transfer of the polyhydric alcohol fiber composite phase change material, the weighted temperature of the plane area of an atomized gas outlet and the weighted temperature of the inner volume of a gas channel of the atomizing chamber can be effectively controlled to be within the suitable range.
Description
Technical field
The present invention relates to electronic cigarette field, particularly a kind of electronic cigarette and spray chamber thereof.
Background technology
The material produced after cigarette lighter is roughly divided into six large classes: one is aldehydes, nitride, olefines; Two is nicotine classes; Three is amine, cyanide and heavy metal; Four is Benzpyrene, arsenic, cadmium, methyl hydrazine, amino phenols, other radioactive substances; Five is phenolic compound and formaldehyde etc.; Six is carbon monoxide, and these materials have injury to human body.
Within 2007, Englishman has invented a kind of electronic cigarette of people's smoking cessation that can help to be addicted to smoking, and electronic cigarette is primarily of components and parts compositions such as lithium battery, electrode, spray chamber, pressure sensor, control circuit board, light emitting diodes.This device shape and the similar normal cigarette of size, by the work about electric power that battery provides, during smoker inhales, pressure sensor will open the switch of heater coil, light-emitting diode flash, just as point fires, in spray chamber, propane diols is evaporated simultaneously, the nicotine solution contained being atomized into steam, just as smoldering, making people produce the sensation of smoking.Owing to only containing a kind of composition of nicotine in electronic cigarette, the injury of smoker is reduced far away.
At present, the electronic cigarette quality problems of consumer's reflection mainly concentrate on: 1, and after a number of uses, smog has peculiar smell, stimulate throat; 2, after sucking many mouthfuls, smog temperature is too high, has the sensation of boiling hot mouth.These problems are all relevant with electronic cigarette atomizing room quality.Tobacco juice by thermal evaporation, forms smog at spray chamber, and the service behaviour of spray chamber determines electronic cigarette quality height.A good spray chamber should be able to produce high-quality aerosol efficiently and have quick, stable response speed.
The spray chamber of electronic cigarette has much special place: 1, and volume is little, and the response time is short, so the power of battery can not be too little; 2, adopt resistance wire directly heat tobacco juice and the mode be atomized although, only cotton directly the contact with resistance wire of Oil Guide and become and be mainly atomized a little more, if the infiltration of territory, oil storage cotton region nicotinic liquid not in time, easy formation dry combustion method, localized hyperthermia makes the cotton carbonization of Oil Guide, thus atomization gas produces peculiar smell.Therefore for ensureing abundant nicotinic liquid quick break, spray chamber operating temperature must in suitable high temperature range, but because the smog after atomization is directly inhaled into smoker oral cavity, its temperature must drop in the scope of human comfort again within very short time and narrow space.
Current electronic cigarette does not take any measure for reduction atomizing gas outlet temperature, and after atomization gas produces, inside overstocked sealing region, passage aisle directly enters in absorber's mouth.Because temperature when nicotinic liquid is atomized reaches on 120 DEG C, through time of exit passageway and path all shorter, and be the poor sealant material of heat-conductive characteristic around exit passageway, so the atomizing air temperature entered in smoker's mouth may reach more than 50 DEG C.
Polyalcohol is the organic material with solid-solid phase-change characteristic, changes unordered plastic crystal phase at a certain temperature, and absorb energy by by a kind of orderly crystalline phase in this phase transition process.Less Volume Changes is related to when the phase transition temperature, higher enthalpy of phase change, weak erosive and the solid-solid phase-change that are suitable for due to polyalcohol, suitable to phase change heat storage material.At present, what report in document is all infrared absorption spectroscopy, solid-solid phase-change enthalpy, phase transition temperature, phasor, physicochemical properties such as crystal structure characteristic before and after phase transformation about them, has no it as the application example of heat-storing material in life is produced.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art with not enough, the spray chamber of the electronic cigarette that the object of the present invention is to provide a kind of atomization gas outlet temperature to be suitable for.
Another object of the present invention is to provide a kind of electronic cigarette, preparation cost be low, atomization gas outlet temperature is suitable, healthy and safe.
Object of the present invention is achieved through the following technical solutions:
A spray chamber for electronic cigarette, is provided with outlet temperature adjustment member in the exit position of spray chamber, and described outlet temperature adjustment member is the polyalcohol fibre composite phase_changing material be filled in spray chamber.
Described polyalcohol fibre composite phase_changing material is made up of polyalcohol pentaerythrite and trishydroxymethylaminomethane.
The mol ratio of described pentaerythrite and trishydroxymethylaminomethane is 07 ~ 0.8:1.
Described outlet temperature adjustment member is made up of the polyalcohol fibre composite phase_changing material be sealed in canister;
The cylindrical-shaped structure that described canister is logical in being, comprises inner and outer wall; Many metal fiber wires have been disposed radially between described inner and outer wall;
Described polyalcohol fibre composite phase_changing material is filled between inner and outer wall.
Described canister is aluminium vessel; Described metal fiber wire is copper filament.
Described metal fiber wire is welded on inwall.
Described spray chamber comprises columned shell, and described enclosure is provided with high-temperature glass fibre pipe, silicone insulation material, oil storage is cotton, Oil Guide is cotton, resistive heater, outlet temperature adjustment member, O-ring seal; Described high-temperature glass fibre pipe, outlet temperature adjustment member, O-ring seal are the tubular structure of hollow, and oil storage cotton, outlet temperature adjustment member, O-ring seal are filled between high-temperature glass fibre pipe and shell successively;
The surface that described high-temperature glass fibre Guan Yu oil storage cotton contacts is provided with an accommodating breach; Described resistive heater is located on accommodating breach; The cotton position nicotinic liquid be stored in oil storage cotton being penetrated into resistive heater of the cotton Oil Guide by being arranged at accommodating indentation, there of described oil storage;
Spray chamber one end is located at by described silicone insulation material, and silicone insulation material is provided with the pore flowed into for extraneous air; Described O-ring seal is located at the other end of spray chamber.
A kind of electronic cigarette, comprises the spray chamber of above-mentioned electronic cigarette.
Principle of the present invention is as follows:
When electronic cigarette works, polyalcohol passes through self heat transfer and copper filament and atomization gas, liquid nicotinic liquid heat exchange and heats up, and undergoes phase transition, absorb more heat after reaching phase transition temperature, thus effectively reduces atomization gas outlet temperature.When electronic cigarette inoperative, polyalcohol and external environment heat exchange, the heat of transformation of storing before releasing, gets back to initial physical state.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) the present invention is by polyalcohol fibre composite phase_changing material phase-change heat-exchange, can effectively control in suitable scope by atomizing gas outlet area of plane weighted temperature, spray chamber gas passage inner volume weighted temperature.When sucking mouthful number and being 15 times, conventional electrical aerosolization gas pelvic outlet plane Area-weighted temperature exceeds 25.82 DEG C than the present invention, and in spray chamber, gas passage volume weighting temperature exceeds 12.06 DEG C.
(2) the present invention can reduce the liquid nicotinic liquid ratio in gas passage, thus reduces the possibility that consumer sucks liquid nicotinic liquid.When sucking mouthful number and being 15 times, in conventional electrical cigarette gas passage, liquid nicotinic liquid volume ratio exceeds 67.4% than the present invention.
(3) the present invention can reduce the gaseous state nicotinic liquid ratio in territory, oil storage cotton region, thus improves liquid nicotinic liquid mobile performance, reduces the possibility of the cotton carbonization because of dry combustion method of Oil Guide.When sucking mouthful number and being 15 times, in territory, conventional electrical cigarette oil storage cotton region, gaseous state nicotinic liquid volume ratio exceeds 67.6% than the present invention.
(4) the present invention can increase the atomization quantity of nicotinic liquid, and when sucking mouthful number and being 15 times, in the gas passage of electronic cigarette atomizing room of the present invention, gaseous state nicotinic liquid volume basis compares conventional electrical cigarette and exceeds 73.4%.
(5) the present invention adopts and in polyalcohol pentaerythrite/trishydroxymethylaminomethane binary system material, lays the radial metallic copper fiber of many groups, reinforced transformation material and atomization gas heat transfer effect, more effectively controls atomization gas outlet temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of the spray chamber of the electronic cigarette of embodiments of the invention.
Fig. 2 is the front view of the outlet temperature adjustment member of embodiments of the invention.
Fig. 3 is the side view of the outlet temperature adjustment member of embodiments of the invention.
Fig. 4 is the sectional view of the outlet temperature adjustment member of embodiments of the invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the spray chamber of the present embodiment comprises columned shell 1, and described shell 1 inside is provided with silicone insulation material 2, oil storage cotton 3, Oil Guide cotton 4, resistive heater 5, outlet temperature adjustment member 7, O-ring seal 8, high-temperature glass fibre pipe 9; Described high-temperature glass fibre pipe 9, outlet temperature adjustment member 7, O-ring seal 8 are the tubular structure of hollow, and oil storage cotton 3, outlet temperature adjustment member 7, O-ring seal 8 are filled between high-temperature glass fibre pipe 9 and shell 1 successively; Gas passage district 6 is the hollow region surrounded by high-temperature glass fibre pipe 9.
Described high-temperature glass fibre pipe 9 is provided with an accommodating breach on the surface contacted with oil storage cotton 3; Described resistive heater 5 is located on accommodating breach, draws and the wire passing SOI glue material is connected with from outer electrode; The nicotinic liquid be stored in oil storage cotton 3 is penetrated into the position of resistive heater 5 by described oil storage cotton 3 by the Oil Guide cotton 4 that is arranged at accommodating indentation, there.
Spray chamber one end is located at by described silicone insulation material 2, and silicone insulation material 2 is provided with the pore flowed into for extraneous air; Described O-ring seal 8 is located at the other end of spray chamber.
As shown in figs. 2 to 4, described outlet temperature adjustment member is made up of the polyalcohol fibre composite phase_changing material be sealed in aluminium vessel; The cylindrical-shaped structure that described aluminium vessel is logical in being, comprises inwall 71 and outer wall 72, container wall thickness 0.2mm, whole phase-change material district axial length 2mm; The middle part (the A-A plane shown in Fig. 3) of described outlet temperature adjustment member has been disposed radially many copper filaments 73 (as shown in Figure 4) between inwall 71 and outer wall 72, described copper filament 73 is welded on inwall 71, in 0 °, 30 °, 60 °, 90 ° angle radiation shape distributions.Described polyalcohol fibre composite phase_changing material is filled between inwall 71 and outer wall 72.
First alcohol fibre composite phase_changing material of the present embodiment is made up of polyalcohol pentaerythrite and trishydroxymethylaminomethane; The mol ratio of described pentaerythrite and trishydroxymethylaminomethane is 07 ~ 0.8:1.The pentaerythrite (PE, 2,2-Bis (Hydroxymethyl)-1,3-Propanediol, Pentaerythritol, phase transition temperature 186 DEG C, the enthalpy of phase change 339.55J.g that adopt in the present embodiment
-1)/trishydroxymethylaminomethane (TRIS, Trishydroxymethylaminomethane, phase transition temperature 135 DEG C, enthalpy of phase change 295.61J.g
-1) binary system (PE/TRIS, PE mol ratio 0.754, phase transition temperature 120 DEG C, the enthalpy of phase change 320.55J.g that form
-1).Compare polyalcohol unitary system, PE/TRIS binary system more matches with the temperature field in spray chamber when repeatedly sucking with consumer, and ensure that enough large unit mass latent heat of phase change.Compared to solid-liquid phase change, because polyalcohol generation is solid-solid phase-change, be not only easy to leakproof, and before and after phase transformation, Volume Changes is little, more can adapts to the requirement that atomization gas outlet temperature " drops in the scope of human comfort " by electronic cigarette in narrow space.
The outlet temperature adjustment member of the present embodiment, by being welded on the copper filament augmentation of heat transfer of inwall, overcome the unfavorable factor that the polyalcohol coefficient of heat conduction is little, build heat transfer by all kinds of means, the transfer of heat of spray chamber, atomization gas being carried at faster speed is to inner polyalcohol place, make more polyalcohol to participate in solid-solid phase-change, more can adapt to the requirement that atomization gas outlet temperature " drops in the scope of human comfort " by electronic cigarette in a short period of time.
Adopt the electronic cigarette of the spray chamber of the present embodiment, during consumer's air-breathing, pressure sensor will open the switch of resistive heater, battery functions, in spray chamber, liquid nicotine solution is atomized into steam, form atomization gas and enter gas passage district by high-temperature glass fibre pipe cutting opening together with air, in polyalcohol fibre composite phase_changing material district, fluid sealant district, surveying passage enter in consumer's mouth.When electronic cigarette works, in spray chamber, the temperature in oil storage cotton region, gas passage district rises very soon, polyalcohol PE/TRIS absorbs sensible heat by self heat transfer and filametntary augmentation of heat transfer effect and heats up, when reaching solid-solid phase-change temperature, polyalcohol changes unordered plastic crystal phase into by orderly crystalline phase, in isothermal phase change process, absorb a large amount of latent heat, thus rapidly, effectively delay spray chamber temperature ascendant trend.
The present embodiment has done sunykatuib analysis to existing electronic cigarette and electronic cigarette of the present invention.Arranging lithium battery model during simulation is 3.7V/650mAh, utilizes GAMBIT software to conventional electrical cigarette and the present invention's difference Modling model and grid division, carries out analog computation with FLUENT14.0 software.During calculating, selection-" pressure-based ", " unsteady ", " implicit " in " SOLER " option group, " viscous " selection " standardk-e ".To the thing phase of nicotinic liquid, " phase " selection " MIXTURE "/" condensation-evaporation " model, arranging thing is three-phase (liquid nicotinic liquid, gaseous state nicotinic liquid, air) mutually.The thing phase of polyalcohol fibre composite phase_changing material, by its phase-change characteristic of UDF programme-control.Atomization gas outlet is set in boundary condition for PRESSURE-OUTLET, outside wall surface is WALL, heat exchange free with outside air, arranging region (also comprising fibre composite phase_changing material district in the present invention) interfaces such as fluid sealant, high-temperature glass fibre pipe, spray chamber shell, silicone insulation material is INTERFACE type.The territory, oil storage cotton region of soaking nicotinic liquid is set to the porous material that porosity is 90%." scheme " selection " SIMPLE ", " transient " selection " firstorderimplicit ".Initialize temperature and be set to 20 DEG C.Iteration time is spaced apart 0.1s, and each time step iterations is 5.
By FLUENT14.0 post-processed, analog result is as shown in table 1 ~ 3.
As can be seen from Table 1, when sucking mouthful number and being 15 times, conventional electrical aerosolization gas pelvic outlet plane Area-weighted temperature exceeds 25.82 DEG C than the present invention, and in spray chamber, gas passage volume weighting temperature exceeds 12.06 DEG C.Therefore, atomizing gas outlet area of plane weighted temperature, spray chamber gas passage inner volume weighted temperature, by polyalcohol fibre composite phase_changing material phase-change heat-exchange, can control in suitable scope by the present invention effectively.
Table 1 analog temperature result
As can be seen from Table 2, when sucking mouthful number and being 15 times, in conventional electrical cigarette gas passage, liquid nicotinic liquid volume ratio exceeds 67.4% than the present invention.Therefore, the present invention can reduce the liquid nicotinic liquid ratio in gas passage, thus reduces the possibility that consumer sucks liquid nicotinic liquid.
As can be seen from Table 2, when sucking mouthful number and being 15 times, in the territory, oil storage cotton region of conventional electrical cigarette, gaseous state nicotinic liquid volume ratio exceeds 67.6% than the present invention.Therefore, the present invention can reduce the gaseous state nicotinic liquid ratio in territory, oil storage cotton region, thus improves liquid nicotinic liquid mobile performance, reduces the possibility of the cotton carbonization because of dry combustion method of Oil Guide.
The liquid phase of table 2 analog gas passage and territory, oil storage cotton region and nicotinic liquid gas phase Phase Proportion result
As can be seen from Table 3, when sucking mouthful number and being 15 times, in the gas passage of electronic cigarette atomizing room of the present invention, gaseous state nicotinic liquid volume basis compares conventional electrical cigarette and exceeds 73.4%, and therefore, the present invention can increase the atomization quantity of nicotinic liquid.
Table 3 analog gas passage atomization gas phase Phase Proportion result
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not limited by the examples; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. a spray chamber for electronic cigarette, is characterized in that, is provided with outlet temperature adjustment member in the exit position of spray chamber, and described outlet temperature adjustment member is the polyalcohol fibre composite phase_changing material be filled in spray chamber.
2. the spray chamber of electronic cigarette according to claim 1, is characterized in that, described polyalcohol fibre composite phase_changing material is made up of polyalcohol pentaerythrite and trishydroxymethylaminomethane.
3. the spray chamber of electronic cigarette according to claim 2, is characterized in that, the mol ratio of described pentaerythrite and trishydroxymethylaminomethane is 07 ~ 0.8:1.
4. the spray chamber of electronic cigarette according to claim 1, is characterized in that, described outlet temperature adjustment member is made up of the polyalcohol fibre composite phase_changing material be sealed in canister;
The cylindrical-shaped structure that described canister is logical in being, comprises inner and outer wall; Many metal fiber wires have been disposed radially between described inner and outer wall;
Described polyalcohol fibre composite phase_changing material is filled between inner and outer wall.
5. the spray chamber of electronic cigarette according to claim 4, is characterized in that, described canister is aluminium vessel; Described metal fiber wire is copper filament.
6. the spray chamber of electronic cigarette according to claim 4, is characterized in that, described metal fiber wire is welded on inwall.
7. the spray chamber of the electronic cigarette according to any one of claim 1 ~ 6, it is characterized in that, described spray chamber comprises columned shell, and described enclosure is provided with high-temperature glass fibre pipe, silicone insulation material, oil storage is cotton, Oil Guide is cotton, resistive heater, outlet temperature adjustment member, O-ring seal; Described high-temperature glass fibre pipe, outlet temperature adjustment member, O-ring seal are the tubular structure of hollow, and silicone insulation material, oil storage cotton, outlet temperature adjustment member, O-ring seal are filled between high-temperature glass fibre pipe and shell successively;
The surface that described high-temperature glass fibre Guan Yu oil storage cotton contacts is provided with an accommodating breach; Described resistive heater is located on accommodating breach; The cotton position nicotinic liquid be stored in oil storage cotton being penetrated into resistive heater of the cotton Oil Guide by being arranged at accommodating indentation, there of described oil storage;
Spray chamber one end is located at by described silicone insulation material, and silicone insulation material is provided with the pore flowed into for extraneous air; Described O-ring seal is located at the other end of spray chamber.
8. an electronic cigarette, is characterized in that, comprises the spray chamber of the electronic cigarette described in any one of claim 1 ~ 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610061277.4A CN105520198B (en) | 2016-01-28 | 2016-01-28 | A kind of electronic cigarette and its spray chamber |
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| CN201610061277.4A CN105520198B (en) | 2016-01-28 | 2016-01-28 | A kind of electronic cigarette and its spray chamber |
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| CN105520198A true CN105520198A (en) | 2016-04-27 |
| CN105520198B CN105520198B (en) | 2018-09-14 |
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Cited By (4)
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| CN110574972A (en) * | 2019-10-15 | 2019-12-17 | 中国科学技术大学先进技术研究院 | Peripheral non-combustion tobacco heating device and suction device |
| CN110616505A (en) * | 2019-10-15 | 2019-12-27 | 南通醋酸纤维有限公司 | Composite acetate fiber non-woven material for cigarette filter tip, preparation method and application |
| CN110699853A (en) * | 2019-10-15 | 2020-01-17 | 南通醋酸纤维有限公司 | Composite fiber non-woven material for cigarette filter tip, preparation method and application |
| CN113174238A (en) * | 2021-04-13 | 2021-07-27 | 深圳市康吸科技有限公司 | Composite phase change material for rapidly reducing smoke temperature of electronic cigarette, preparation method of composite phase change material and electronic cigarette |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110574972A (en) * | 2019-10-15 | 2019-12-17 | 中国科学技术大学先进技术研究院 | Peripheral non-combustion tobacco heating device and suction device |
| CN110616505A (en) * | 2019-10-15 | 2019-12-27 | 南通醋酸纤维有限公司 | Composite acetate fiber non-woven material for cigarette filter tip, preparation method and application |
| CN110699853A (en) * | 2019-10-15 | 2020-01-17 | 南通醋酸纤维有限公司 | Composite fiber non-woven material for cigarette filter tip, preparation method and application |
| CN113174238A (en) * | 2021-04-13 | 2021-07-27 | 深圳市康吸科技有限公司 | Composite phase change material for rapidly reducing smoke temperature of electronic cigarette, preparation method of composite phase change material and electronic cigarette |
| CN113174238B (en) * | 2021-04-13 | 2021-11-16 | 深圳市康吸科技有限公司 | Composite phase change material for rapidly reducing smoke temperature of electronic cigarette, preparation method of composite phase change material and electronic cigarette |
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| CN105520198B (en) | 2018-09-14 |
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