WO2021213375A1 - Atomiseur à ultrasons et cigarette électronique - Google Patents

Atomiseur à ultrasons et cigarette électronique Download PDF

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Publication number
WO2021213375A1
WO2021213375A1 PCT/CN2021/088365 CN2021088365W WO2021213375A1 WO 2021213375 A1 WO2021213375 A1 WO 2021213375A1 CN 2021088365 W CN2021088365 W CN 2021088365W WO 2021213375 A1 WO2021213375 A1 WO 2021213375A1
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WO
WIPO (PCT)
Prior art keywords
atomization
ultrasonic
air
air inlet
ultrasonic atomizer
Prior art date
Application number
PCT/CN2021/088365
Other languages
English (en)
Chinese (zh)
Inventor
刘建福
钟科军
郭小义
尹新强
易建华
汪洋
周永权
Original Assignee
湖南中烟工业有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202020631450.1U external-priority patent/CN212437275U/zh
Application filed by 湖南中烟工业有限责任公司 filed Critical 湖南中烟工业有限责任公司
Publication of WO2021213375A1 publication Critical patent/WO2021213375A1/fr

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Classifications

    • 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
    • A24F40/05—Devices without heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • 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
    • 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
    • A24F40/42—Cartridges or containers for inhalable precursors

Definitions

  • the invention relates to an electronic cigarette, in particular to an ultrasonic atomizer and an electronic cigarette.
  • the air inlet and outlet of the atomization cavity are arranged at equal distances from the bottom surface of the atomization cavity, and the cross-sectional area of the air inlet and the air outlet are almost the same.
  • the airflow velocity of the air inlet and the air outlet are the same, which makes the atomization area of the ultrasonic atomizer sheet condense too much smoke oil, and the smoke entering the air outlet is not fully mixed with the airflow, which makes the smoke taste inconsistent by the user.
  • droplets of e-liquid are contained in the smoke, which makes it easy for users to inhale e-liquid.
  • the flow direction of the air intake airflow in the atomization chamber of the existing ultrasonic atomizer is basically the same as the flow direction of the smoke generated by ultrasonic atomization, which is not conducive to the removal of smoke oil droplets contained in the smoke, and makes it easy for users to inhale smoke oil droplets. a feeling of.
  • the technical problem to be solved by the present invention is to overcome the disadvantages in the prior art that the atomization area of the ultrasonic atomizer sheet is easy to condense e-liquid and the taste of the smoke is inconsistent, and to provide a method for avoiding the condensation of too much e-liquid in the ultrasonic atomization area and the taste of the smoke Consistent ultrasonic atomizer and electronic cigarette.
  • the present invention provides an ultrasonic atomizer, which includes an atomization cavity, an ultrasonic atomization sheet is arranged at the bottom of the atomization cavity, and an air inlet and an outlet are arranged on the top surface of the atomization cavity.
  • the air inlet, the air inlet is arranged directly to the atomization area of the ultrasonic atomizing sheet, and the distance from the air inlet to the ultrasonic atomizing sheet is smaller than the distance from the air outlet to the ultrasonic atomizing sheet.
  • the air inlet of the present invention is arranged directly opposite to the atomization area of the ultrasonic atomizer sheet, and the distance from the air inlet to the ultrasonic atomizer sheet is smaller than the distance from the air outlet to the ultrasonic atomizer sheet, so that the ultrasonic atomizer of the present invention has the following advantages:
  • the airflow from the air inlet can more concentratedly wash or disperse the condensed e-liquid in the atomization area of the ultrasonic atomizer, so that the condensed e-liquid can be dispersed or spread, so it is easier to be ultrasonically atomized into smoke. That is to participate in the ultrasonic atomization again, so that the e-liquid is more fully atomized, and the e-liquid is atomized more efficiently.
  • the ultrasonic atomizer is working and the e-liquid is atomized to emit smoke, that is to say, the rate of smoke is increased. Meet the needs of users for the amount of smoke;
  • the inflow direction of the air inlet airflow is opposite to the spraying direction of the smoke generated by ultrasonic atomization, so that the smoke is carried by the air inlet airflow to deviate from the original flow direction and flow, and the smoke oil droplets in the smoke hit the atomization cavity
  • the top surface and return to the ultrasonic atomizing sheet to participate in ultrasonic atomization again which not only further improves the utilization rate and atomization efficiency of e-liquid, but also prevents users from inhaling e-liquid droplets in the smoke;
  • the ultrasonic atomized smoke can be fully mixed with the airflow entering the atomization chamber and then discharged through the air outlet, so that the final smoke tasted by the user is more consistent, and effectively avoids more than two kinds of smoke in the same puff.
  • Taste such as smoke heat, fine smoke, etc.
  • the cross-sectional area of the air outlet is larger than the cross-sectional area of the air inlet, so that the air inlet airflow of the atomization cavity can flow in rapidly, overcome the power of the ultrasonic atomization to spray the smoke, and add more smoke.
  • the smoke oil droplets are blown to the atomization area of the ultrasonic atomizer sheet to participate in the ultrasonic atomization again; and the smoke in the atomization cavity can flow out from the air outlet at a relatively slow flow rate, thereby reducing or avoiding the smoke band out of the atomization cavity
  • the smoke oil droplets are removed, so that the smoke oil droplets are accumulated in the atomizing cavity, and the probability of the user inhaling the smoke oil droplets is reduced.
  • the top of the atomization cavity is provided with an air inlet, a central hole, and an air outlet groove, the central hole is arranged vertically, and the bottom of the central hole is the air inlet, and the air outlet groove The bottom of is the air outlet, and the air inlet is connected to the atomization cavity through the central hole.
  • the central hole is arranged perpendicular to the atomization area of the ultrasonic atomization sheet, so that the air flow out of the central hole can flow to the ultrasonic atomization sheet at a rapid speed opposite to the spraying direction of the smoke generated by ultrasonic atomization.
  • the surface of the fogging area is arranged perpendicular to the atomization area of the ultrasonic atomization sheet, so that the air flow out of the central hole can flow to the ultrasonic atomization sheet at a rapid speed opposite to the spraying direction of the smoke generated by ultrasonic atomization.
  • an adapter seat is arranged on the upper surface of the atomization cavity, and the atomization cavity is arranged between the ultrasonic atomization sheet and the adapter seat, and the outer circumference of the adapter seat is covered with storage.
  • the two ends of the oil storage member are arranged directly opposite to the oil outlet of the oil bin, and the middle part of the oil storage member is in contact with the atomization area of the ultrasonic atomization sheet.
  • an oil storage installation groove is provided on the outer periphery of the adapter seat, both ends of the oil storage member are inserted into the oil storage installation groove, and the air inlet and the oil storage installation groove Stagger the settings to prevent the oil reservoir from blocking the air inlet.
  • an air supplement groove is provided in the oil storage installation groove, and the bottom of the air supplement groove communicates with the atomization cavity, and the top of the air supplement groove faces the oil outlet and is higher than the oil outlet. Describe the oil outlet setting.
  • the ultrasonic atomizer further includes a housing and a plug body that are clamped and combined with each other, an air inlet channel communicating with the atmosphere is provided between the housing and the plug body, and the plug body is provided with An air hole, and the air passing hole communicates with the air inlet hole.
  • the present invention also provides an electronic cigarette, which includes the ultrasonic atomizer described above.
  • the air inlet and air outlet of the atomization cavity are both set on the top of the atomization cavity, but the distance between the air inlet and the air outlet and the ultrasonic atomizer is different, so the impact force on the smoke is different, making the inlet
  • the airflow flowing in from the air port flows directly to the atomization area of the ultrasonic atomizer sheet, disperses the condensed smoke oil on the ultrasonic atomizer sheet and re-participates in ultrasonic atomization, and the smoke can be fully mixed with the intake air flow in the atomization cavity. It flows out through the air outlet, so that the smoke from the air outlet has a better taste.
  • the cross-sectional area of the air inlet and the air outlet are different, so the air flow velocity of the air inlet is greater than that of the air outlet, which can make the smoke oil droplets in the smoke return to the ultrasonic atomizer to participate in the atomization again, thereby reducing users The phenomenon of smoke droplets.
  • Fig. 1 is a front cross-sectional view of the first embodiment of the ultrasonic atomizer of the present invention.
  • Fig. 2 is a cross-sectional view taken along the line AA of Fig. 1, and the arrows in the figure indicate the direction of air flow.
  • Fig. 3 is a schematic diagram of the three-dimensional structure of the adaptor of the present invention.
  • Fig. 4 is a schematic sectional axonometric structure diagram of the adapter seat of the present invention.
  • Fig. 5 is a front cross-sectional view of the adapter seat of the present invention, and the arrow in the figure indicates the direction of air flow.
  • Fig. 6 is an exploded view of the components of the first embodiment of the ultrasonic atomizer of the present invention.
  • Oil guide structure 21. Oil outlet; 22. Oil storage parts; 23. Adapter seat; 24. Spring; 231. Air inlet; 232. Center hole; 233. Atomization cavity; 234. Air outlet groove; 235. Oil storage installation groove; 2351. Air supply groove;
  • Atomization core 31. Atomization sleeve; 32. Ultrasonic atomization sheet; 33. Insulation seat; 34. PCB board; 35. Electrode assembly.
  • the ultrasonic atomizer of this embodiment includes a body 1, an oil guiding structure 2 and an atomizing core 3.
  • the main body 1 includes a casing 11, a plug body 12 and a bottom cover 14 which are mutually clamped and combined. After the casing 11 and the plug body 12 are joined to each other, an oil tank 13 is formed inside.
  • the housing 11 is provided with a suction nozzle 111 and an air outlet pipe 112.
  • the plug body 12 is preferably a silicone plug with elasticity.
  • the top of the plug body 12 is provided with an oil outlet 21, and the middle portion of the plug body 12 is provided with an oil guide structure installation groove 121 and an atomization core installation groove 122 in sequence from top to bottom.
  • the oil guide structure 2 is placed in the oil guide structure installation groove 121.
  • the oil guide structure 2 includes an oil outlet 21, an oil storage member 22, and an adapter seat 23 provided on the plug body 12.
  • the adapter seat 23 is installed in the oil guide structure installation groove 121, and the adapter seat 23 is The cavity is connected to the air outlet pipe 112, the outer circumference of the adapter seat 23 covers both ends of the oil storage member 22, and both ends of the oil storage member 22 are set directly opposite to the oil outlet 21 of the oil bin 13.
  • the oil storage member 22 is preferably made of cotton material.
  • the atomizing core 3 includes a hollow atomizing sleeve 31 with conductivity, and an ultrasonic atomizing sheet 32, an insulating seat 33, and a PCB board 34 are sequentially arranged in the inner cavity of the atomizing sleeve 31 from top to bottom.
  • An electrode assembly 35 is provided in the middle of the insulating seat 33 and the PCB board 34.
  • the upper surface of the ultrasonic atomization sheet 32 is provided with an upper surface electrode and an atomization area, and the lower surface is provided with a lower surface electrode.
  • the upper end of the atomization sleeve 31 is in contact with the upper surface electrode of the ultrasonic atomization sheet 32, and the lower end of the atomization sleeve 31 is wrapped around the bottom surface of the PCB board 34 as the first electrode connection end.
  • the lower surface electrode of the ultrasonic atomization sheet 32 is connected with
  • the electrode assembly 35 is electrically connected, and the electrode assembly 35 serves as a second electrode terminal.
  • the atomization core 3 is installed in the atomization core installation groove 123, and an atomization cavity 233 is provided between the ultrasonic atomization sheet 32 and the bottom surface of the adapter seat 23.
  • the bottom of the atomization cavity 233 is provided with an ultrasonic atomization sheet 32, and the bottom surface of the adapter seat 23 is the top surface of the atomization cavity 233.
  • the bottom of the adapter seat 23 is provided with an air inlet 231, a central hole 232, and an air outlet 234.
  • the air inlet 231 is arranged horizontally, and the central hole 232 and the air outlet 234 are arranged vertically (that is, the central hole 232).
  • the outlet groove 234 is arranged perpendicular to the atomization area of the ultrasonic atomization sheet 32), the air inlet 231 communicates with the central hole 232, and the central hole 232 communicates with the atomization cavity 233, so that The bottom of the central hole 232 is the air inlet of the atomization cavity 233, and the air outlet groove 234 is in communication with the atomization cavity 233, so that the bottom of the air outlet groove 234 is the outlet of the atomization cavity 233.
  • the air inlet, the air inlet (central hole 232) of the atomization cavity 233 is arranged directly opposite to the atomization area of the ultrasonic atomization sheet 32, and the air inlet of the atomization cavity 233 is connected to the ultrasonic atomization sheet 32
  • the distance of is smaller than the distance between the air outlet of the atomization cavity 233 and the ultrasonic atomization sheet 32, and the cross-sectional area of the air inlet of the atomization cavity is smaller than the cross-sectional area of the air outlet of the atomization cavity.
  • the bottom of the adapter seat 23 is provided with a spring 24, and the spring 24 resists the middle part of the oil storage member 22 against the atomization area of the ultrasonic atomization sheet 32.
  • An air inlet passage 15 communicating with the atmosphere is provided between the casing 11 and the plug body 12, an air passage hole 123 is provided on the plug body 12, and the air passage hole 123 is in communication with the air inlet hole 231.
  • an oil storage member installation groove 235 is provided on the outer periphery of the adapter seat 23, and both ends of the oil storage member 22 are inserted into the oil storage member installation groove 235.
  • the air inlet 231 and the oil storage installation groove 235 are staggered.
  • the oil storage member installation groove An air supplement groove 2351 is provided in 235, and the bottom of the air supplement groove 2351 is in communication with the atomization cavity 233, and the top of the air supplement groove 2351 is directly opposite to the oil outlet 21 and higher than the oil outlet 21 is set so that the air entering the atomization cavity 233 can enter the oil bin 13 through the air supplement groove 2351.
  • the air inlet of the atomization chamber 233 may be cylindrical, preferably a horn shape as shown in the figure, to increase the flow rate of the airflow and collect splashed smoke oil droplets.
  • the ultrasonic atomizer is connected with the power supply assembly to form an electronic cigarette.
  • the user sucks from the suction nozzle 111 of the body 1, so that the external air passes through the air hole 123, the air hole 231, and the central hole 232 from the air inlet channel 15 so as to be perpendicular to the ultrasonic atomizing sheet 32.
  • the direction of the atomization area enters the atomization cavity 233 from the top of the atomization cavity 233, and the e-liquid flows out of the oil bin 13 through the oil outlet 21 to the oil storage member 22, and then is conducted by the oil storage member 22 to the ultrasonic atomization sheet 32.
  • the atomization area is stored in the middle of the oil storage member 22.
  • the ultrasonic atomization sheet 32 is electrically connected to the external power supply through the atomization sleeve 31 and the electrode assembly 35, and the smoke oil in the atomization area is ultrasonically atomized.
  • the smoke is not affected by the intake airflow, most of it is ejected toward the central hole 232. Under the action of the intake airflow out of the central hole 232, the flow direction of the smoke changes (flowing back toward the ultrasonic atomizer), so that the smoke is mixed.
  • the smoke oil droplets impact on the bottom surface of the adapter seat 23 and condense and return to the ultrasonic atomization sheet to participate in ultrasonic atomization again.
  • the smoke from which the smoke oil droplets are removed is fully mixed with the intake airflow in the atomization chamber 233 and sprayed from the outlet groove 234.
  • the e-liquid in the atomization area of the ultrasonic atomization sheet 32 is impacted by the rapid intake air flow and the thickness becomes thinner.
  • the ultrasonic atomization sheet oscillates at high frequency, it is easier to remove
  • the smoke oil in the atomization area is atomized into smoke, which in turn makes the ultrasonic atomizer emit smoke faster.

Abstract

La présente invention concerne un atomiseur à ultrasons et une cigarette électronique. L'atomiseur à ultrasons comprend une cavité d'atomisation (233) ; une feuille d'atomisation par ultrasons (32) est prévue sur le fond de la cavité d'atomisation (233) ; une entrée d'air et une sortie d'air sont formées sur la surface supérieure de la cavité d'atomisation (233) ; l'entrée d'air est formée de manière à faire face à une région d'atomisation de la feuille d'atomisation par ultrasons (32), et la distance entre l'entrée d'air et la feuille d'atomisation par ultrasons (32) est inférieure à la distance entre la sortie d'air et la feuille d'atomisation par ultrasons (32) ; et la section transversale de la sortie d'air est supérieure à celle de l'entrée d'air. Le liquide à vapoter est plus complètement atomisé, et la vapeur comprend moins de gouttelettes du liquide à vapoter, ce qui permet de prévenir efficacement qu'un utilisateur vapote des gouttelettes de liquide à vapoter.
PCT/CN2021/088365 2020-04-23 2021-04-20 Atomiseur à ultrasons et cigarette électronique WO2021213375A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202020631450.1 2020-04-23
CN202010326990.3 2020-04-23
CN202020631450.1U CN212437275U (zh) 2020-04-23 2020-04-23 一种超声波雾化器及电子烟
CN202010326990 2020-04-23

Publications (1)

Publication Number Publication Date
WO2021213375A1 true WO2021213375A1 (fr) 2021-10-28

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Application Number Title Priority Date Filing Date
PCT/CN2021/088365 WO2021213375A1 (fr) 2020-04-23 2021-04-20 Atomiseur à ultrasons et cigarette électronique

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WO (1) WO2021213375A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9867398B2 (en) * 2015-04-09 2018-01-16 David Guo Ultrasonic e-cigarette device
CN207185926U (zh) * 2017-09-13 2018-04-06 湖南中烟工业有限责任公司 一种超声波电子烟雾化器
CN109512035A (zh) * 2018-07-27 2019-03-26 深圳中芯量子科技有限公司 雾化设备及其雾化装置
CN209152372U (zh) * 2018-10-26 2019-07-26 湖南中烟工业有限责任公司 一种超声波雾化器及其电子烟
CN110328093A (zh) * 2019-04-24 2019-10-15 深圳爱芯怡科技有限公司 超声波雾化设备及其超声波雾化装置
CN209732614U (zh) * 2019-03-15 2019-12-06 湖南中烟工业有限责任公司 一种电子烟雾化芯及雾化器
CN212437275U (zh) * 2020-04-23 2021-02-02 湖南中烟工业有限责任公司 一种超声波雾化器及电子烟

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9867398B2 (en) * 2015-04-09 2018-01-16 David Guo Ultrasonic e-cigarette device
CN207185926U (zh) * 2017-09-13 2018-04-06 湖南中烟工业有限责任公司 一种超声波电子烟雾化器
CN109512035A (zh) * 2018-07-27 2019-03-26 深圳中芯量子科技有限公司 雾化设备及其雾化装置
CN209152372U (zh) * 2018-10-26 2019-07-26 湖南中烟工业有限责任公司 一种超声波雾化器及其电子烟
CN209732614U (zh) * 2019-03-15 2019-12-06 湖南中烟工业有限责任公司 一种电子烟雾化芯及雾化器
CN110328093A (zh) * 2019-04-24 2019-10-15 深圳爱芯怡科技有限公司 超声波雾化设备及其超声波雾化装置
CN212437275U (zh) * 2020-04-23 2021-02-02 湖南中烟工业有限责任公司 一种超声波雾化器及电子烟

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