CN110720670A - Method and device for controlling fragrance of atomized steam and application - Google Patents

Method and device for controlling fragrance of atomized steam and application Download PDF

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Publication number
CN110720670A
CN110720670A CN201911172998.2A CN201911172998A CN110720670A CN 110720670 A CN110720670 A CN 110720670A CN 201911172998 A CN201911172998 A CN 201911172998A CN 110720670 A CN110720670 A CN 110720670A
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temperature
thermal cracking
heating
atomized liquid
aroma
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CN110720670B (en
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樊冰
张鹏
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Burton (shanghai) Biotechnology Co Ltd
Shanghai Longyin Biotechnology Co Ltd
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Burton (shanghai) Biotechnology Co Ltd
Shanghai Longyin Biotechnology Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/015Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03Apparatus therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/12Air-humidification, e.g. cooling by humidification by forming water dispersions in the air

Abstract

The invention belongs to the technical field of atomization, and particularly relates to a method and a device for controlling the fragrance of atomized steam and application of the method and the device. The method comprises the steps that at least one aroma precursor with different thermal cracking temperatures is contained in atomized liquid, and the thermal cracking temperature of each aroma precursor is different from that of the atomized liquid; sequentially increased heating temperatures are selectively set between the atomized liquid and the thermal cracking temperature of each aroma precursor, which are sequentially increased from low to high, each heating temperature is higher than the adjacent low thermal cracking temperature and lower than the adjacent high thermal cracking temperature, and the highest heating temperature is set higher than the highest thermal cracking temperature. An atomization device convenient for implementing the method, and an electronic cigarette system, a humidifier, a fumigator or a medical atomizer for inhalation aromatherapy prepared by the atomization device are also designed. The technical defects that the switching between the existing fragrance and the non-fragrance and the switching of various fragrances cannot be realized in the atomization process are solved. The method is simple and convenient, simple in structure, easy to operate and easy to regulate and control.

Description

Method and device for controlling fragrance of atomized steam and application
Technical Field
The invention belongs to the technical field of atomization, and particularly relates to a method and a device for controlling the fragrance of atomized steam and application of the method and the device.
Background
Nebulizer systems are widely used in a wide variety of life scenarios. For example, a heating atomizer is a core component of an electronic cigarette, and electronic cigarette oil is atomized by the atomizer to generate vapor for a smoker to eat. It compares with traditional cigarette product, through the atomizer mode, and tobacco composition does not pass through the burning, and this harmful component such as tar that makes traditional tobacco combustion process produce reduces by a wide margin, has reduced the harm of tobacco through the atomizer mode. The atomizer in the electronic cigarette generally adopts a heating atomization mode, the principle is that a battery cover control board and the atomizer provide power, and a core component heating wire (or a heating core) in the atomizer is heated under the control of a circuit, so that tobacco tar volatilizes to form smoke. In addition, the atomizer is also applied to a medical atomization device, which is mainly used for an atomization inhaler for respiratory tract treatment or drug administration, wherein atomization is generally carried out in an ultrasonic atomization mode, wherein electronic high-frequency oscillation (oscillation frequency is 1.7MHz or 2.4MHz, which exceeds the auditory range of human beings, and the electronic oscillation has no harm to human bodies and animals) is utilized to break away molecular bond acting force among liquid water molecules through high-frequency resonance of a ceramic atomization sheet so as to generate naturally elegant water mist. The atomizer is usually in a room temperature state after ultrasonic atomization, but a part of the ultrasonic atomization devices are additionally provided with a heat exchange device or a heating device to heat the solution before atomization or the atomized vapor after atomization, so that the atomized vapor has the required temperature. For example, the ultrasonic atomizer disclosed in the patent ultrasonic heating atomizer (CN2385809Y) is composed of an ultrasonic generator, a transducer, a cold water tank, a heat dissipation cylinder, a hot water tank, a heater and a temperature controller, wherein the atomization is realized by ultrasonic atomization, and the heating is realized by the heater. In addition, the atomizer is also used for atomizing water vapor in the indoor humidifier, and most of the existing indoor humidifiers adopt ultrasonic atomization, but some of the indoor humidifiers adopt a heating atomization mode.
Fragrance is very important in many nebulizer application scenarios. For example, the flavor of the atomized vapor in the electronic cigarette determines the taste of the electronic cigarette, and generally, the flavor is prepared by dissolving a prepared flavor component in a suitable solvent to prepare a corresponding electronic cigarette oil, and a heating atomizer of the electronic cigarette generates the atomized vapor with flavor by atomizing the electronic cigarette oil so as to be sucked by a smoker. The existing electronic cigarette atomizer usually has only one taste, so that the electronic cigarette with different tastes needs to be cleaned and replaced with the internal tobacco tar, the operation is inconvenient, and the experience brought to a user is poor. The utility model provides a but multi-taste key switch taste electron cigarette (CN110313650A) provides a solution, has contained two sets of independent atomizing systems of each other promptly in same electron cigarette, and every set of system contains independent oil storage room, atomizing core, drive module, airflow channel, consequently can add the electron tobacco tar of two kinds of different tastes respectively in its two independent oil storage rooms, realizes the switching between two atomizing systems through touch switch, realizes the switching of the vapor of two kinds of different tastes then. In some other atomizer application scenarios, such as air humidifiers, essential oils or liquid fragrances are often atomized with water vapor to achieve both humidifying and fragrancing functions. For example, the function of the fragrance and humidifier in the atomizing base and fragrance and humidifier (CN110068093A) can be realized by the same atomizing base. However, like in the electronic cigarette, the replacement of the fragrance still requires the replacement of the liquid perfume or the scented water in the water storage tank of the washing humidifier (or the fragrance machine), and the free switching between different fragrances or the switching between the presence or absence of fragrance cannot be realized. In addition, since the liquid in the water tank of the humidifier (or the fragrance machine) is stored for a long time, volatile fragrance components or essential oil volatilizes and escapes during the storage, which causes problems such as instability and unevenness of fragrance.
Disclosure of Invention
The main application scenario of the present invention is in the field of applications where nebulizers are used to generate nebulized vapor with fragrance, such as electronic cigarette systems, humidifiers (or stainers), or medical nebulizers for inhaled aromatherapy.
The heating atomizer consists of an atomized liquid storage bin (or storage tank), atomized liquid, a heating element, an atomized core (common atomized core types comprise various types such as cotton core, ceramic core, liquid guide rod and the like), a control circuit and a power supply. Wherein, heating element usually sets up at atomizing core surface or atomizing core inside, thereby the process of atomizing steam production is realized to the atomizing liquid atomizing that makes absorption in the atomizing core through the heating. The atomizing core plays a role in continuously absorbing and conveying the atomized liquid in the atomized liquid storage bin to the surface of the heating element so as to heat and atomize the atomized liquid, and common atomizing cores include a cotton core (such as CN209473601U, an atomizer and an electronic cigarette), a porous ceramic core (such as CN208837112U, a horizontal electronic cigarette atomizer), and the like.
The existing atomization system can not control and change the aroma of the atomized steam, the aroma of the atomized steam completely depends on the aroma molecules added into the atomized liquid at the beginning, and the aroma can not be controlled or changed without replacing the atomized liquid.
Aiming at the defects of the prior art, the invention provides a method for controlling the fragrance of atomized steam, which solves the technical defects that the switching between the existing fragrance and the non-fragrance and the switching of various fragrances cannot be realized in the atomization process.
The technical scheme of the invention is that the method for controlling the fragrance of the atomized steam comprises the following steps that atomized liquid contains at least one fragrance precursor with different thermal cracking temperatures, and the thermal cracking temperature of each fragrance precursor is different from that of the atomized liquid; sequentially increased heating temperatures are selectively set between the atomized liquid and the thermal cracking temperature of each aroma precursor, which are sequentially increased from low to high, each heating temperature is higher than the adjacent low thermal cracking temperature and lower than the adjacent high thermal cracking temperature, and the highest heating temperature is set higher than the highest thermal cracking temperature.
The aroma precursor is a glycoside derivative or sugar ester derivative of aroma molecules, and specifically comprises one or more of beta-phenethyl alcohol glucoside, eugenol glucoside, beta-linalool glucoside, vanillin-beta-glucoside or santalol glucoside.
The atomized liquid can be water or tobacco tar and the like according to the use requirement.
The atomized liquid contains at least two aroma precursors with different thermal cracking temperatures, namely, the types of the aroma precursors can be 2, 3, 4, 5, 6, 7, 8 or more, and the atomized liquid is adjusted and applied according to actual needs.
In one embodiment, the atomized liquid contains at least one aroma precursor with different thermal cracking temperature, and the thermal cracking temperature of each aroma precursor is higher than that of the atomized liquid.
In order to ensure the implementation of the method for controlling the fragrance of the atomized steam, the invention also provides an atomization device for controlling the fragrance of the atomized steam, which comprises an atomization bin and at least one temperature-controllable heating element arranged in the atomization bin, wherein the atomization bin can be added with atomized liquid containing at least one fragrance precursor with different thermal cracking temperatures and different from the atomized liquid, the temperature-controllable heating element is set to have a heating temperature from low to high in sequence, the heating temperature is between the thermal cracking temperature of the atomized liquid and the thermal cracking temperature of each fragrance precursor which are sequentially increased from low to high, and the highest heating temperature is higher than the highest thermal cracking temperature.
The atomizing device also includes a power source electrically connected to the heating element via a control circuit.
The heating element is a heating wire, a heating core, a heating sheet or a heating rod and the like.
The invention adds the heat stable fragrance precursor into the atomized liquid and atomizes the atomized liquid by adopting a heating atomization mode. The temperature of the heating element (heating wire, heating core, heating sheet or heating rod) of the heating atomizer is controllable, and at least one temperature in the temperature adjusting range (or gear) is lower than the thermal cracking temperature of the fragrance precursor and at least one temperature is higher than the thermal cracking temperature of the fragrance precursor. When the temperature of the heating element is above the pyrolysis temperature of the aroma precursor, the aroma precursor is pyrolyzed to release aroma molecules, and when the temperature is below the pyrolysis temperature of the aroma precursor, the aroma precursor remains stable and the aroma molecules are not released. In the examples, the pyrolysis temperature of the glycosidic bond of the glycoside derivative of the aroma molecules as aroma precursor is typically between 150 ℃ and 350 ℃, so the temperature of the heating element is adjusted in the range of 150 ℃ to 350 ℃.
The atomization device for controlling the fragrance of the atomized steam can be used for preparing an electronic cigarette system, a humidifier, a fumigator, a medical atomizer for inhalation type aromatherapy and the like.
The electronic cigarette system as one embodiment of the invention comprises the atomization device for controlling the fragrance of the atomized steam. Specifically, this electron cigarette system contains host computer (10), atomizing storehouse (3) and tobacco tar storehouse (2), be provided with the power in host computer (10), control chip and temperature control circuit, and control element (9), be provided with heating element and lead the oil core in the casing of atomizing storehouse (3), be provided with intake duct (6) on the casing of atomizing storehouse (3), lead hydraulic fluid port (7) and suction nozzle (1), heating element fixes on leading the oil core, lead the oil core and fix on leading hydraulic fluid port (7), lead hydraulic fluid port (7) and communicate tobacco tar storehouse (2), intake duct (6) intercommunication air, in the air inlet direction, it is located the front end of intake duct (6) to lead the oil core, suction nozzle (1) is located the front end of leading the oil core, control element 9 electricity connection heating element.
Specifically, the tobacco tar bin (2) wraps the atomization bin (3), and the suction nozzle (1) arranged on the shell of the atomization bin (3) penetrates through the tobacco tar bin (2).
The control element (9) is electrically connected with the heating element through the thimble (8).
The heating element is a heating wire, a heating core, a heating sheet or a heating rod and the like.
The oil guide core is a cotton core, a ceramic core or a liquid guide rod and the like.
The power supply is a battery or a charging plug.
The tobacco tar in the tobacco tar bin contains at least one aroma precursor with different thermal cracking temperatures and different from the tobacco tar.
The humidifier as one embodiment of the invention comprises the atomization device for controlling the fragrance of the atomized steam. Specifically, the humidifier comprises a base (12), a steam channel (17) and a water tank (11), wherein the water tank (11) is positioned at the upper part of the base (12), a power supply, a control panel and a temperature control circuit are arranged in the base (12), a temperature control knob (18) and an air inlet (22) are fixed on a shell of the base (12), the temperature control knob (18) regulates and controls the connection and disconnection between the power supply and the control panel as well as between the power supply and the temperature control circuit, a fan is arranged on the air inlet (22), and the fan is electrically connected with the control panel and the temperature control;
steam channel (17) are located water tank (11) and are independent of water tank (11), be provided with heating element (14) and atomizing core in steam channel (17), be provided with intake duct (23) and inlet (16) on the casing of steam channel (17), heating element (14) are fixed on the atomizing core, the atomizing core is fixed on inlet (16), inlet (16) intercommunication water tank (11), intake duct (23) are through rather than air inlet (22) of intercommunication to steam channel (17) in the input air, in the direction of admission, the atomizing core is located the front end of intake duct (23), control panel and temperature control circuit electricity connect heating element (14), and the temperature of regulating and controlling heating element (14) through temperature control knob (18).
The control board and the temperature control circuit are electrically connected with the heating element (14) through the thimble (15).
The heating element (14) is a heating wire, a heating core, a heating sheet or a heating rod and the like.
The atomization core is a cotton core, a ceramic core or a liquid guide rod and the like.
The power supply is a battery or a charging plug.
The bottom of the base (12) is also provided with a base (20).
And a water tank cover (19) is also arranged on the water tank (11).
The water in the water tank contains at least one aroma precursor having a thermal cracking temperature that is different from the thermal cracking temperature of the tobacco tar.
Drawings
Fig. 1 is a schematic structural view of an electronic cigarette in embodiment 1.
FIG. 2 shows the formula of vanillin glucoside of example 2.
FIG. 3 is a graph of the rate of thermal weight loss of vanillin-beta-glucoside of example 2.
Fig. 4 is a circuit for regulating the temperature of an atomizer in an electronic cigarette in embodiment 3.
Fig. 5 is a schematic structural view of a humidifier according to embodiment 4.
Fig. 6 is a temperature control circuit of the humidifier according to embodiment 4.
FIG. 7 shows the molecular formula of santalol glucoside in example 4.
Detailed Description
Example 1 switching between variable scent e-cigarettes herbal scent and rose scent
Figure 1 is the electron cigarette structure picture, and it includes suction nozzle 1, tobacco tar storehouse 2, atomizing storehouse 3, heater strip 4 leads the cotton core of oil 5, intake duct 6, lead hydraulic fluid port 7, thimble 8, controlling element 9, host computer 10, its heating atomizer part is (1) to the part that (7) contain, is equipped with the battery, control chip and the temperature control circuit of electron cigarette in the host computer 10, the interface that charges, controlling element 9, the host computer realizes the current input intercommunication with the atomizer part through thimble 8. When the tobacco tar atomizing device works, tobacco tar containing essence, nicotine and other components stored in the tobacco tar bin (2) permeates into the atomizing bin 3 through the oil guide opening 7 and is sucked to the heating wire 4 through the capillary infiltration effect of the oil guide cotton core 5. When a user inhales, air flow enters the atomizing bin 3 through the air inlet 6 and activates a microphone switch (not marked in the attached drawing 1) at the same time, so that a control chip control circuit in the host machine energizes the heating wire to heat the heating wire, and the tobacco tar is atomized.
Be provided with heater strip 4 and lead oil cotton core 5 in the casing in atomizing storehouse 3, be provided with intake duct 6 on atomizing storehouse 3's the casing, lead hydraulic fluid port 7 and suction nozzle 1, suction nozzle 1 passes the tobacco oil storehouse 2, heater strip 4 is fixed on leading oil cotton core 5, lead oil cotton core 5 and fix on leading hydraulic fluid port 7, lead hydraulic fluid port 7 intercommunication tobacco oil storehouse 2, intake duct 6 communicates the air, in the air inlet direction, heater strip 4 is located the front end of intake duct 6, suction nozzle 1 is located the front end of leading oil cotton core 5, control element 9 is through 8 electric connections heating element of thimble.
In this embodiment, the heating wire 4 is provided with two temperature adjustment gears, the heating temperature of the first gear heating wire is 160 ± 5 ℃, and the heating stability of the second gear heating wire is 230 ± 5 ℃.
The main compositions of the tobacco tar in this example are shown in table 1, wherein the basic fragrance of the tobacco tar is composed of nicotine base liquid and tobacco extract (containing tobacco fragrance compositions such as beta-ionone, megastigmatrienone, neophytadiene). And the second fragrance of the tobacco tar is composed of heat-stable fragrance precursors of beta-phenethyl alcohol glucoside, eugenol glucoside and beta-linalool glucoside. The fragrance precursors with thermal stability of beta-phenethyl alcohol glucoside, eugenol glucoside and beta-linalool glucoside have extremely low volatility, do not have fragrance per se, and have recognizable fragrance only when the beta-phenethyl alcohol glucoside, eugenol glucoside and linalool glucoside are cracked by thermal pyrolysis of glycosidic bonds and release fragrant phenethyl alcohol, eugenol and linalool. Wherein the thermal cracking temperatures of the beta-phenethyl alcohol glucoside, the eugenol glucoside and the beta-linalool glucoside molecules are 201 ℃, 196 ℃ and 187 ℃, respectively, so that the temperatures of the beta-phenethyl alcohol glucoside, the eugenol glucoside and the beta-linalool glucoside molecules are all lower than the second-grade temperature (230 +/-5 ℃) and higher than the first-grade heating temperature by 160 ℃.
Therefore, when the electronic cigarette is smoked at the first-grade temperature (160 +/-5 ℃), the beta-phenethyl alcohol glucoside, the eugenol glucoside and the beta-linalool glucoside are in stable and low-volatile glucoside states, and do not crack to release aroma molecules. And basic aroma components such as beta-ionone, megastigmatrienone, neophytadiene, nicotine and the like show the original tobacco aroma along with the atomization process, and when the electronic cigarette is smoked at the first grade temperature, the electronic cigarette shows the strong original tobacco aroma but does not have the rose aroma or other floral aroma.
Then, when the electric heating wire is heated to a second gear (230 +/-5 ℃), the electronic cigarette contains a lingering and light rose fragrance in the smoke besides the tobacco fragrance. The thermal cracking of the beta-phenethyl alcohol glucoside, the eugenol glucoside and the beta-linalool glucoside at the heating temperature releases corresponding phenethyl alcohol, eugenol and linalool components, and the rose fragrance formed by the components is fragrant, so that a smoker feels the fragrance of the rose.
Then, when the electric heating wire is adjusted back to the first gear (160 +/-5 ℃), the rose fragrance in the smoke gradually weakens along with the gradual reduction of the temperature of the heating wire, and the pure tobacco fragrance is gradually recovered. The reason is that after the temperature of the heating wire is reduced, the beta-phenethyl alcohol glucoside, the eugenol glucoside and the beta-linalool glucose can not be continuously thermally cracked to release aroma components.
TABLE 1 fragrance-variable electronic cigarette main component formula table
Figure BDA0002289231190000061
Example 2 taste switching of fruit and vanilla flavors for electronic cigarettes
Electronic tobacco tar of Leisheng diver series (sweet watermelon flavor, Shenzhen city)Produced by the Lisheng science and technology Co., Ltd.) as base tobacco tar, and 2% vanillin-beta-glucoside (molecular structure shown in figure 2) is added into the electronic tobacco tar. Measured with a thermogravimetric analyzer (heating rate 10 ℃/min, air atmosphere, TG 209F3Germany, koshihiki) is shown in fig. 3, and it is understood from the graph that the pyrolysis starting temperature of vanillin- β -glucoside is 208 ℃, and 318 ℃ reaches the maximum decomposition rate.
Therefore, the first gear of the heating element of the electronic cigarette is set to be 190 +/-5 ℃ and lower than the pyrolysis temperature of the vanillin-beta-glucoside, and the second gear is set to be 230 +/-5 ℃ and higher than the pyrolysis temperature of the vanillin-beta-glucoside. Injecting the electronic cigarette oil added with the vanillin-beta-glucoside into an electronic cigarette containing a program temperature control program, and adjusting to 190 +/-5 ℃. When the temperature of the electronic cigarette is set to 190 +/-5 ℃, the vanillin-beta-glucoside cannot be pyrolyzed, and meanwhile, the vanillin-beta-glucoside does not have fragrance, so that the electronic cigarette steam presents the fruit fragrance of electronic cigarette oil of the Sheng-diver series, when the temperature is adjusted to 230 ℃, the glycosidic bond of the vanillin-beta-glucose is broken, vanillin molecules are released, and the cigarette steam has strong vanilla fragrance.
Embodiment 3 atomizer temperature regulation and control circuit in electron cigarette
The embodiment provides a temperature regulating and controlling circuit in an electronic cigarette. Because the fragrance of the atomizer in the electronic cigarette is switched by using the heat-stable fragrance precursor in a temperature control mode, the required atomizer needs to be capable of providing at least two different atomizing temperatures (the temperatures are respectively higher than and lower than the pyrolysis temperature of the fragrance precursor), and the regulation and control mode of the temperature control circuit is described in conjunction with the embodiment.
The circuit is connected with a driving unit through a power supply, the driving unit is responsible for power supply of the whole heating and temperature control system, the driving unit is controlled by a power switch and a microphone switch, and the power switch controls the connection and the disconnection of the driving unit. When the power switch is connected, when a user of the electronic cigarette absorbs the electronic cigarette, the microphone switch is triggered and is communicated with the driving unit to connect a circuit to supply power to the heating and temperature control system; otherwise, the microphone switch is in a disconnected state, and the drive unit disconnection circuit does not supply power to the heating and temperature control system. The heating and temperature control system consists of a temperature controller, a temperature sensor and a heater. The temperature controller controls the power supply voltage of the heater, and the temperature sensor feeds back the temperature signal of the heater to the temperature controller. In this embodiment, the temperature sensor is a thermistor, and the feedback data is the resistance value of the thermistor (measured by the feedback current received by the temperature controller under constant voltage). The temperature controller stores the relation between the temperature of the thermistor and the resistance value of the resistor, so that the temperature of the heater corresponding to the feedback data is determined, and meanwhile, the temperature controller controls the power supply to be turned on or turned off according to the target temperature.
Example 4 example of use of heated atomizer for fragrance control in humidifier applications
In the embodiment, a humidifier structure is adopted as shown in fig. 5, and the humidifier generates water vapor by adopting a heating and atomizing mode so as to achieve the humidification purpose. The humidifier comprises a water tank 11, a base 12, a ceramic atomizing core 13, a heating element 14, a thimble 15, a liquid inlet 16, a steam channel 17, a temperature control knob 18, a water tank cover 19, a base 20, an input power plug 21, an air inlet 22, an air inlet channel 23 and atomized liquid 24. The water tank 11 is positioned at the upper part of the base 12, a power supply, a control panel and a temperature control circuit are arranged in the base 12, a temperature control knob 18 and an air inlet 22 are fixed on a shell of the base 12, the temperature control knob 18 regulates and controls the on-off of the power supply, the control panel and the temperature control circuit, a fan is arranged on the air inlet 22, and the fan is electrically connected with the control panel and the temperature control circuit;
steam channel 17 is located water tank 11 and is independent of water tank 11, be provided with heating element 14 and ceramic atomizing core 13 in the steam channel 17, be provided with intake duct 23 and inlet 16 on steam channel 17's the casing, heating element 14 is fixed on ceramic atomizing core 13, ceramic atomizing core 13 is fixed on inlet 16, inlet 16 communicates water tank 11, intake duct 23 is through the air inlet 22 rather than the intercommunication to steam channel 17 in the input air, in the direction of admission, ceramic atomizing core 13 is located the front end of intake duct 23, control panel and temperature control circuit pass through thimble 15 electricity and connect heating element 14, and regulate and control heating element's 14 temperature through temperature control knob 18.
Wherein the ceramic atomizing core 13 sucks the atomized liquid 24 stored in the water tank 11 to the heating element 14 by infiltration and capillary action. In this embodiment, the heating element 14 is a nichrome heating wire that surrounds the ceramic atomizing core 13. The working process of the humidifier is that when the power supply is switched on and in a working state, the heating wire is electrified to heat and raise the temperature, so that the atomized liquid 24 in the ceramic atomization core 13 is atomized. Meanwhile, the humidifier base 12 is provided with an air inlet 22, and a fan (not shown in the drawing) is arranged in the humidifier base, and generates air flow to the periphery of the heating element 14 through an air inlet channel 23 via the air inlet 22 when the humidifier is in operation, and the atomized steam is blown out of the humidifier via the steam channel 17 to generate a humidifying effect. The temperature control knob 18 is a knob that controls the heating element 14. In this embodiment, the heating control circuit is implemented as shown in fig. 6, the temperature control knob 18 is connected to a driving pulse signal sent by a control board, and after the driving pulse signal is amplified by a low-power NPN-type silicon tube triode Q1, the conduction time of the bidirectional thyristor, that is, the magnitude of the current flowing through the nickel-chromium alloy wire (heating element) is controlled, so as to achieve the purpose of temperature adjustment. In this embodiment, the heating temperature of the heating wire can be controlled to be 100 ℃ to 350 ℃.
Sandalwood is a common fragrance of a fumigator, but in daily use, fragrance release cannot be controlled, and fragrance is too heavy, so that the fragrance of the known fumigator or atomizer in the prior art is determined by the perfume or essential oil added in the atomized liquid, and the fragrance of the atomized vapor cannot be controlled. The technical scheme that this embodiment provided solves the control to the fragrance of atomizing steam, including realizing that atomizing steam has fragrant and non-fragrant control, the strong and weak control of fragrance. The control scheme is as follows:
(1) the atomized liquid of the humidifier is water, and 2% w/v fragrance precursor santalol glucoside (the molecular structure is shown in figure 7) is added at the same time, the santalol glucoside has almost no fragrance, the minimum thermal cracking temperature is 208 ℃, and the maximum thermal cracking rate is reached at 305 ℃.
(2) Adding atomized liquid containing fragrance precursor santalol glucoside into humidifier, connecting with power supply, rotating heating knob to raise temperature to 180 + -5 deg.C, wherein the minimum thermal decomposition temperature of santalol glucoside is not reached. At this time, the mist generated by the humidifier has almost no fragrance. And continuously raising the temperature of the heating wire to 220 +/-5 ℃, starting pyrolysis of the santalol glucoside in the atomization liquid in the atomizer at the moment, and releasing santalol molecules to ensure that the atomized vapor has sandalwood smell, and continuously raising the temperature of the heating wire to 270 +/-5 ℃, wherein at the moment, the pyrolysis speed of the santalol glucoside is obviously accelerated, and the strong degree of the sandalwood smell is obviously higher than that at the temperature of 220 +/-5 ℃. Then, the heating knob is rotated to reduce the heating power, so that the temperature is again lower than 190 +/-5 ℃, and the fragrance in the atomized steam begins to fade rapidly until the fragrance disappears completely.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (10)

1. A method for controlling the aroma of atomized steam is characterized in that atomized liquid contains at least one aroma precursor with different thermal cracking temperatures, and the thermal cracking temperature of each aroma precursor is different from that of the atomized liquid; sequentially increased heating temperatures are selectively set between the atomized liquid and the thermal cracking temperature of each aroma precursor, which are sequentially increased from low to high, each heating temperature is higher than the adjacent low thermal cracking temperature and lower than the adjacent high thermal cracking temperature, and the highest heating temperature is set higher than the highest thermal cracking temperature.
2. The method of claim 1, wherein the atomized liquid contains at least one aroma precursor having a thermal cracking temperature that is different from the thermal cracking temperature of the atomized liquid, and the thermal cracking temperature of each aroma precursor is higher than the thermal cracking temperature of the atomized liquid.
3. A method according to claim 1 or 2, wherein the aroma precursor is a glycoside derivative or a sugar ester derivative of an aroma molecule and the atomized liquid is water or tobacco tar.
4. The method of claim 3, wherein the glycoside derivative of the aroma molecule comprises any one or more of β -phenethyl alcohol glucoside, eugenol glucoside, β -linalool glucoside, vanillin- β -glucoside, or santalol glucoside.
5. The method of claim 1 or 2, wherein the atomized liquid contains at least two aroma precursors having different thermal cracking temperatures.
6. The atomizing device using the method according to any one of claims 1 to 5, comprising an atomizing chamber and at least one temperature-controllable heating element disposed in the atomizing chamber, wherein the atomizing chamber can be filled with the atomized liquid containing at least one aroma precursor having different thermal cracking temperatures from the atomized liquid, the temperature-controllable heating element is set to have a heating temperature ranging from low to high in order and ranging from low to high in order, and the highest heating temperature is higher than the highest thermal cracking temperature.
7. The atomizing device of claim 6, further comprising a power source electrically connected to the heating element via the control circuit; the heating element is a heating wire, a heating core, a heating sheet or a heating rod.
8. Use of the nebulizing device according to claim 6 or 7 for the preparation of an electronic cigarette system, a humidifier, a fumigator, or a medical nebulizer for inhaled aromatherapy.
9. An electronic cigarette system comprising the atomizing device according to claim 6 or 7.
10. A humidifier/fumigator/medical vaporizer comprising the atomizing device according to claim 6 or 7.
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