WO2019110004A1 - 一种超声波电子烟雾化芯及雾化器 - Google Patents

一种超声波电子烟雾化芯及雾化器 Download PDF

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Publication number
WO2019110004A1
WO2019110004A1 PCT/CN2018/119778 CN2018119778W WO2019110004A1 WO 2019110004 A1 WO2019110004 A1 WO 2019110004A1 CN 2018119778 W CN2018119778 W CN 2018119778W WO 2019110004 A1 WO2019110004 A1 WO 2019110004A1
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WIPO (PCT)
Prior art keywords
oil
cup
sleeve
atomizing
cotton
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PCT/CN2018/119778
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English (en)
French (fr)
Inventor
刘建福
钟科军
郭小义
黄炜
于宏
代远刚
尹新强
易建华
周永权
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湖南中烟工业有限责任公司
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Publication of WO2019110004A1 publication Critical patent/WO2019110004A1/zh

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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
    • A24F40/05—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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/44—Wicks
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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

Definitions

  • the invention belongs to the technical field of electronic cigarettes, and particularly relates to an ultrasonic electronic aerosolizing core and an atomizer.
  • the ultrasonic electronic cigarette atomizer comprises a nozzle, an oil chamber assembly and an atomizing core, wherein the atomizing core comprises an ultrasonic atomizing sheet, a cup-shaped atomizing cotton, an inner sleeve and an outer sleeve which are connected to the inner casing, wherein the cup-shaped atomizing cotton
  • the side wall is sandwiched between the inner sleeve and the outer sleeve, and the outer bottom surface of the cup-shaped atomized cotton abuts against the atomizing surface of the ultrasonic atomizing sheet, and the oil hole is opened on the side wall of the outer sleeve.
  • the smoke oil in the oil chamber assembly is guided to the cup-shaped atomized cotton through the oil hole, and finally leads to the atomization of the ultrasonic atomizing sheet to generate smoke, and the smoke generated by the atomization passes through The outlet passage and the suction nozzle enter the user's mouth for the user to smoke.
  • the existing structure does not pay attention to the spacing between the lower section of the inner sleeve and the outer sleeve (for the inner sleeve of the atomizing core, the lower section refers to a section close to the atomizing surface of the ultrasonic atomizing sheet, and the upper section refers to It is a section away from the atomizing surface of the ultrasonic atomizing sheet.
  • the distance between the lower part of the inner sleeve and the outer sleeve is equal to the thickness of the cup-shaped atomized cotton, the amount of smoke is small and the amount of smoke per mouth is inconsistent.
  • the pitch is smaller than the thickness of the cup-shaped atomized cotton, the amount of smoke is smaller and the phenomenon of burning cotton may occur, and the ultrasonic atomized sheet may be dry-fired, and the service life of the ultrasonic atomized sheet is short.
  • the spacing is too large, the user can easily smoke the oil, and the ultrasonic atomizing sheet is easy to foam, and the ultrasonic atomizing sheet has a slow starting speed and a poor user experience.
  • the existing structure does not pay attention to the length of the cup-shaped atomized cotton sidewall between the lower part of the inner casing and the outer casing.
  • the oil guiding speed is slower, otherwise the oil guiding speed is faster. It is prone to burning cotton or foaming, the amount of smoke is unstable, and the user experience is poor.
  • the cup-shaped atomized cotton only has the outer side wall and one side in contact with the oil and oil, so in the atomization process, the cup-shaped atomized cotton can not be added to the smoked oil in time and quickly, the oil guiding speed is unstable, and the smoke is unstable. The amount is unstable.
  • the outlet passage is consistent with the inner diameter of the nozzle. Since the electronic cigarette is inclined when smoking, the large particle oil beads condensed on the side wall of the outlet passage easily flow along the side wall of the outlet passage to the suction nozzle, causing the user to suck the large particle oil beads. The smell of smoke is poor.
  • the object of the present invention is to provide an improved ultrasonic electronic aerosol core and atomizer for the above-mentioned deficiencies of the prior art.
  • the flow rate of the smoke oil is stable, and the phenomenon of burning cotton and foaming oil is not easy to occur, and the amount of smoke is stable.
  • the smoke speed is fast, and the user is not easy to suck the large particle smoke oil beads on the inner side wall of the air outlet passage, and the user experience is good.
  • the technical solution adopted by the present invention is:
  • An ultrasonic electronic aerosolizing core comprising an ultrasonic atomizing sheet, a cup-shaped atomizing cotton, an inner sleeve and an outer sleeve connected to the inner casing, wherein the cup-shaped atomizing cotton sidewall is sandwiched between the inner sleeve and the outer sleeve
  • the outer bottom surface of the cup-shaped atomized cotton abuts the atomizing surface of the ultrasonic atomizing sheet, and the oil hole is opened on the side wall of the outer sleeve, and the structural feature is that the spacing between the lower portion of the inner sleeve and the outer sleeve is smaller than the cup-shaped mist.
  • the thickness of the cotton is 0.1 to 0.5 mm.
  • the existing ultrasonic electronic aerosolized core structure does not pay attention to the spacing between the lower section of the inner sleeve and the outer sleeve: when the distance between the lower section of the inner sleeve and the outer sleeve is equal to the thickness of the cup-shaped atomized cotton, the amount of smoke is small. And the amount of smoke per mouth is inconsistent. When the pitch is smaller than the thickness of the cup-shaped atomized cotton, the amount of smoke is smaller and the phenomenon of burning cotton may occur, and the ultrasonic atomized sheet may be dry-fired, and the service life of the ultrasonic atomized sheet is short.
  • the present invention controls the oil guiding rate of the cup-shaped atomized cotton by carefully designing the gap between the lower portion of the inner sleeve and the outer sleeve.
  • the distance between the lower portion of the inner sleeve and the outer sleeve is 0.1 to 0.5 mm larger than the thickness of the cup-shaped atomized cotton, and the thickness of the expansion of the cup-shaped atomized cotton when absorbing the smoke oil is also 0.1 mm to 0.5 mm. Therefore, when smoking, the airflow passes through the cup-shaped atomized cotton surface to generate a difference in air pressure, so that the external airflow can easily enter the oil storage chamber through the spacing to achieve oil and gas displacement, so that the smoke oil can pass through the cup-shaped atomized cotton.
  • the atomization on the ultrasonic atomizing sheet can effectively control the conduction rate of the tobacco oil in the atomized cotton.
  • the rate of the conductive smoke is more stable, the supply of the ultrasonic atomizing sheet in the high-frequency oscillation atomization process is sufficient. There will be no dry burning or soaking oil, the amount of smoke is stable, the user is not easy to smoke the smoke oil, the smoke tastes good, the ultrasonic atomizer starts fast, and the user experience is good.
  • the spacing between the lower portion of the inner sleeve and the outer sleeve is 0.2 to 0.3 mm greater than the thickness of the cup-shaped atomized cotton.
  • the length of the cup-shaped atomized cotton sidewall between the lower portion of the inner sleeve and the outer sleeve is 1 to 6 times the spacing.
  • the matching height between the lower part of the inner sleeve and the outer sleeve determines the length of the cup-shaped atomized cotton in the gap, if the length of the clip is longer, the oil-gas displacement speed inside and outside the oil storage chamber is slow, resulting in the atomization speed of the atomized cotton. The slower, on the contrary, the faster the oil guiding speed, the phenomenon of burning cotton or foaming is likely to occur.
  • the length of the cup-shaped atomized cotton is carefully designed, and the length of the cup-shaped atomized cotton sidewall between the lower portion of the inner sleeve and the outer sleeve is designed to be 1 to 6 times of the spacing, thereby guiding
  • the oil rate is proportional to the atomization rate to achieve a balance between supply and demand, so the amount of smoke is stable, the atomization effect is good, and the phenomenon of not burning or foaming is better, and the user experience is better.
  • the length of the cup-shaped atomized cotton sidewall between the lower portion of the inner sleeve and the outer sleeve is 3-4 times the spacing.
  • the cup-shaped atomized cotton has a thickness of 0.3 to 2.0 mm.
  • the cup-shaped atomized cotton has a thickness of 0.5 to 1.2 mm.
  • the outer side wall of the middle portion of the inner sleeve is provided with a groove.
  • an oil preparation chamber is formed between the groove and the side wall of the cup-shaped atomized cotton.
  • the smoke oil enters into the cup-shaped atomized cotton from the oil hole.
  • the atomized cotton that abuts the oil hole absorbs the smoke oil, part of the oil is stored in the oil preparation cavity, so that the cup-shaped fog
  • the inner side and the outer side of the side wall of the cotton are in contact with the smoke oil. If the amount of smoke passing through the oil hole is insufficient during the atomization process, the smoke oil in the oil preparation chamber is timely added to the atomized cotton.
  • the smoke oil stabilizes the oil guiding speed, and the amount of smoke atomized per mouth is stable, which improves the user experience.
  • the outer side wall of the lower portion of the inner sleeve opens a plurality of oil leakage grooves along the axial direction of the inner sleeve.
  • the oil in the oil preparation chamber can be quickly guided to the unclamped portion of the cup-shaped atomized cotton through the oil permeable tank, so that the oil can be quickly replenished, the stability of the smoke amount can be improved, and the dry burning phenomenon can be prevented.
  • the present invention also provides an ultrasonic electronic aerosolizer, comprising a nozzle, an oil chamber assembly, and the ultrasonic electronic aerosolizing core, the atomizing core is connected to the oil chamber assembly, and the oil chamber assembly The oil reservoir is connected to the cup-shaped atomized cotton through the oil hole.
  • the inner diameter of the upper portion of the inner sleeve is larger than the inner diameter of the middle portion of the inner sleeve
  • the oil chamber assembly includes a connecting sleeve
  • the upper portion of the atomizing core is placed in the connecting sleeve
  • the oil blocking oil can be enclosed between the connecting sleeve and the upper portion of the inner sleeve
  • the atomized cotton of the ultrasonic atomizing sheet is sequentially connected to the inner cavity of the inner sleeve and the inner cavity of the connecting sleeve and the suction nozzle.
  • the oil blocking chamber is disposed at the top end of the atomizing core, and the inner diameter of the oil blocking chamber is larger than the inner diameter of the nozzle after the atomizing core is inserted into the oil chamber assembly.
  • the oil chamber assembly includes an upper cover, a lower cover and a bottom cover connected in sequence from top to bottom.
  • the connection sleeve is disposed in the upper cover, and the oil storage is formed between the inner wall of the upper cover and the outer wall of the connection sleeve.
  • the cavity is provided with an oil inlet hole on the side wall of the connecting sleeve, and the oil storage chamber is sequentially connected with the cup-shaped atomized cotton through the oil inlet hole and the oil passage hole.
  • the utility model further comprises an intake pipe, wherein the suction nozzle is provided with a conversion head, one end of the intake pipe is fixedly connected with the conversion head and communicates with the outside, and the other end of the intake pipe is connected with the cup-shaped atomizing cotton inner cavity.
  • the atomizing core further comprises a spring, one end of the spring abuts against the inner side wall of the inner sleeve, and the other end of the spring abuts against the inner bottom surface of the cup-shaped atomizing cotton.
  • the atomizing core further comprises an atomizing seat in the outer sleeve, and the ultrasonic atomizing sheet is fixed on the atomizing seat.
  • the atomizing core further comprises a lower electrode, a threaded seat at the bottom end of the outer sleeve, the lower electrode passes through the threaded seat and is electrically connected to the ultrasonic atomizing sheet, and the lower electrode and the threaded seat are insulated by an insulating ring.
  • the flow rate of the smoke oil of the invention is stable, and the phenomenon of burning cotton and foaming oil is not easy to occur, the amount of smoke is stable, the speed of smoke is fast, and the user is not easy to suck the large particle smoked oil beads, and the user experience is good.
  • Figure 1 is a front cross-sectional view showing the first embodiment of the atomizing core.
  • Fig. 2 is an enlarged view of a portion I in Fig. 1.
  • Figure 3 is a front cross-sectional view of the second embodiment of the atomizing core.
  • FIG. 4 is a schematic structural view of the inner sleeve of FIG. 3.
  • Figure 5 is a front cross-sectional view of an embodiment of an atomizer.
  • Fig. 6 is a cross-sectional view taken along line A-A of Fig. 5;
  • Figure 7 is a schematic view showing the structure of the oil chamber assembly.
  • Figure 8 is an exploded view of the upper portion of the atomizer.
  • Figure 9 is an exploded view of the lower portion of the atomizer.
  • 1 ultrasonic atomizing sheet
  • 2 cup-shaped atomizing cotton
  • 3 inner casing
  • 301 groove
  • 302 oil leakage groove
  • 4 outer casing
  • 401 oil hole
  • 5 nozzle
  • 7 is the atomizing core
  • 8 is the oil storage chamber
  • 9 is the connecting sleeve
  • 901 is the oil inlet hole
  • 10 is the oil blocking chamber
  • 11 is the upper cover
  • 12 is the lower cover
  • 13 is the bottom cover
  • 14 is the bottom cover
  • 14 is the bottom cover
  • 14 For the intake pipe, 15 is a spring
  • 16 is an atomizing seat
  • 17 is a lower electrode
  • 18 is a threaded seat
  • 19 is an insulating ring
  • 20 is a gasket
  • 21 is a sealing ring
  • 22 is a conversion head.
  • the first embodiment of the ultrasonic electronic aerosolizing core comprises an ultrasonic atomizing sheet 1, a cup-shaped atomizing cotton 2, an inner sleeve 3 and an outer sleeve 4, and the ultrasonic atomizing sheet 1 is The solid piezoelectric ceramic atomizing sheet, the smoke oil is ultrasonically atomized on the surface of the ultrasonic atomizing sheet 1 to generate smoke, wherein the outer sleeve 4 has an oil hole 401 formed on the side wall thereof, and the cup-shaped atomized cotton 2 side wall is sandwiched between Between the inner sleeve 3 and the outer sleeve 4, and abutting at one end of the oil passage hole 401, the outer bottom surface of the cup-shaped atomized cotton 2 abuts against the atomizing surface of the ultrasonic atomizing sheet 1, and the lower portion of the inner sleeve 3 is The spacing d between the outer sleeves 4 is 0.1 to 0.5 mm larger than the thickness of the
  • the clamping state of the cup-shaped atomizing cotton 2 can be controlled by the distance d, thereby controlling the flow speed of the cup-shaped atomizing cotton 2 at the place where the smoke oil is.
  • the phenomenon that the ultrasonic atomizing sheet 1 is dry or foamed during the working process is prevented.
  • the oil-conducting rate of the cup-shaped atomized cotton 2 and the atomization rate of the ultrasonic atomizing sheet 1 having a diameter of 16 mm are optimally: the spacing between the lower section of the inner sleeve 3 and the outer sleeve 4.
  • d is 0.2 to 0.3 mm larger than the thickness of the cup-shaped atomized cotton 2. .
  • the length h corresponding to the spacing d also affects the flow velocity of the soot oil at the cup-shaped atomized cotton 2, so the cup-shaped atomized cotton 2 side wall is in the lower section of the inner sleeve 3 and the outer sleeve 4
  • the interposition length h between them is 1 to 6 times the pitch d.
  • the length h of the side wall of the cup-shaped atomized cotton 2 between the lower section of the inner sleeve 3 and the outer sleeve 4 is 3 to 4 times the distance d.
  • the cup-shaped atomized cotton 2 has a thickness of 0.3 to 2.0 mm.
  • the cup-shaped atomized cotton 2 has a thickness of 0.5 to 1.2 mm.
  • a groove 301 is disposed at a position corresponding to the outer side wall of the inner sleeve 3 and the oil hole 401.
  • the groove 301 can be used for accommodating the wrinkle deformation which occurs when the cup-shaped atomized cotton 2 is assembled, and the cup for preventing wrinkle deformation.
  • the atomized cotton 2 conducts the smoke oil not smoothly; it can also be used to store a certain amount of smoke oil as a backup, so as to avoid the phenomenon that the ultrasonic atomizing sheet 1 has insufficient supply of smoke oil during the ultrasonic atomization process and dry burning.
  • the upper portion of the inner sleeve 3 and the upper portion of the outer sleeve 4 are riveted so that the cup-shaped atomized cotton 2 is fixedly sandwiched between the inner sleeve 3 and the outer sleeve 4.
  • the second embodiment of the ultrasonic electronic aerosolization core is similar to the structure of the ultrasonic electronic aerosolization core embodiment, except that in the second embodiment, the outer side wall of the inner sleeve 3 is along the inner sleeve.
  • a plurality of oil leakage grooves 302 are axially opened. The amount of the soot oil penetrating downward can be passed through the number of the oil permeable grooves 302.
  • the oil permeable grooves 302 communicate with the groove 301, so that the spare oil in the groove 301 can be infiltrated; or the spacing d can be locally reduced.
  • the tightness of the cup-shaped atomized cotton 2 is squeezed, thereby controlling the local oil guiding speed of the soot oil in the cup-shaped atomized cotton 2.
  • the same structures as those in the first embodiment in the second embodiment are not described herein, but do not affect the understanding and implementation of the present invention by those skilled in the art.
  • the ultrasonic electronic cigarette atomizer comprises a suction nozzle 5 and an oil chamber assembly 6, and further comprises an ultrasonic electronic aerosolizing core 7 as described in the first embodiment, and the atomizing core 7 is connected to the oil chamber assembly 6.
  • the oil reservoir 8 of the oil chamber assembly 6 communicates with the cup-shaped atomized cotton 2 through the oil hole 401.
  • the inner diameter of the upper portion of the inner sleeve 3 is larger than the inner diameter of the middle portion of the inner sleeve 3.
  • the oil chamber assembly 6 includes a connecting sleeve 9. The upper portion of the atomizing core 7 is placed in the connecting sleeve 9, and the connecting sleeve 9 and the upper portion of the inner sleeve 3 are enclosed to accommodate The oil repellent chamber 10 of the soot oil; the atomized cotton of the ultrasonic atomizing sheet 1 is sequentially connected to the inner cavity of the inner sleeve 3 and the inner cavity of the connecting sleeve 9 and the suction nozzle 5, and the smoke generated by the ultrasonic atomizing sheet 1 passes through the inside.
  • the inner cavity of the sleeve 3, the oil blocking chamber 10, and the inner cavity of the connecting sleeve 9 are discharged to the suction nozzle 5 for the user to suck. Therefore, during the discharging process, the oil blocking chamber 10 can block the large particles of smoke in the smoke, preventing the user from absorbing large Particles of smoked oil beads affect the taste of the smoke.
  • the oil chamber assembly 6 includes an upper cover 11, a lower cover 12 and a bottom cover 13 which are sequentially connected from top to bottom.
  • the connecting sleeve 9 is disposed in the upper cover 11, and the inner wall of the upper cover 11 and the outer wall of the connecting sleeve 9 form the
  • the oil storage chamber 8 defines an oil inlet hole 901 on the side wall of the connecting sleeve 9.
  • the oil storage chamber 8 is in communication with the cup-shaped atomized cotton 2 through the oil inlet hole 901 and the oil passing hole 401 in sequence.
  • the direction indicated by the arrow in Fig. 6 is the direction of the oil guide.
  • a gasket 20 is disposed between the upper cover 11 and the suction nozzle 5.
  • a seal ring 21 is disposed between the upper cover 11 and the lower cover 12.
  • the atomizer further includes an intake pipe 14 , and the nozzle 5 is provided with a conversion head 22 .
  • One end of the intake pipe 14 is fixedly connected with the conversion head 22 and communicates with the outside, and the other end of the intake pipe 14 and the cup-shaped atomized cotton 2
  • the cavity is in communication, and the airflow enters the inner cavity of the cup-shaped atomizing cotton 2 from the air inlet pipe 14, and then is discharged from the inner cavity 3, the oil-repellent cavity 10, the inner cavity of the connecting sleeve 9, and the suction nozzle 5.
  • the atomizing core 7 further includes a spring 15, one end of the spring 15 abuts against the inner side wall of the inner sleeve 3, and the other end of the spring 15 abuts against the inner bottom surface of the cup-shaped atomized cotton 2.
  • the atomizing core 7 further includes an atomizing seat 16 in the outer sleeve 4, and the ultrasonic atomizing sheet 1 is fixed on the atomizing seat 16.
  • the atomizing core 7 further includes a lower electrode 17, a threaded seat 18 at the bottom end of the outer sleeve 4, the lower electrode 17 passes through the threaded seat 18 and is electrically connected to the ultrasonic atomizing sheet 1, and the lower electrode 17 and the threaded seat 18 are insulated.
  • the ring 19 is insulated and connected.
  • the thickness of the cup-shaped atomized cotton Under the remaining conditions, the thickness of the cup-shaped atomized cotton, the distance d between the lower part of the inner sleeve 3 and the outer sleeve 4, the side wall of the cup-shaped atomized cotton 2, the lower part of the inner sleeve 3 and the outer sleeve
  • the length h between the four is set to stand for 30 minutes, and the amount of smoke from the first to fourth ports is as shown in Table 1. It can be seen that after the application of the present invention, the flow rate of the smoke oil is stable, and it is difficult to burn the cotton and the oil. Phenomenon, the amount of smoke is stable, the speed of smoke is fast, and the user is not easy to smoke large particles of smoked oil beads, and the user experience is good.

Abstract

一种超声波电子烟雾化芯（7）及雾化器，其中超声波电子烟雾化芯（7）包括超声雾化片（1）、杯状雾化棉（2）、内外套接的内套管（3）和外套管（4），其中杯状雾化棉（2）侧壁夹设于内套管（3）与外套管（4）之间，杯状雾化棉（2）的外底面与超声雾化片（1）的雾化面相抵接，外套管（4）侧壁上开设过油孔（401），内套管（3）下段与外套管（4）之间的间距比杯状雾化棉（2）的厚度大0.1～0.5mm。雾化器烟油流速稳定，不易出现烧棉和泡油的现象，烟雾量稳定，出烟速度快，用户不易吸食到大颗粒烟油珠，用户体验好。

Description

一种超声波电子烟雾化芯及雾化器 技术领域
本发明属于电子烟技术领域，特别涉及一种超声波电子烟雾化芯及雾化器。
背景技术
超声波电子烟雾化器包括吸嘴、油腔组件和雾化芯，其中雾化芯包括超声雾化片、杯状雾化棉、内外套接的内套管和外套管，其中杯状雾化棉侧壁夹设于内套管与外套管之间，杯状雾化棉的外底面与超声雾化片的雾化面相抵接，外套管侧壁上开设过油孔。当雾化芯与油腔组件连接时，油腔组件内的烟油通过过油孔导至杯状雾化棉，并最终导至超声雾化片雾化产生烟雾，雾化产生的烟雾依次经过出气通道和吸嘴进入用户口腔，供用户吸食。
现有的超声波电子烟雾化器具有以下缺点：
1.现有结构并未关注内套管下段与外套管之间的间距大小(对于雾化芯的内套管而言，下段指得是靠近超声雾化片雾化面的一段，上段指得是远离超声雾化片雾化面的一段)，当内套管下段与外套管之间的间距等于杯状雾化棉的厚度时，烟雾量偏小且每口的烟雾量大小不一致。当所述间距比杯状雾化棉的厚度小时，烟雾量更小且可能出现烧棉的现象，还会引起超声雾化片干烧，超声雾化片的使用寿命短。当所述间距过大时，用户容易吸食到烟油，且超声雾化片容易泡油，超声雾化片启动速度慢，用户体验差。
2.现有结构并未关注杯状雾化棉侧壁在内套管下段与外套管之间的夹设长度，当夹设长度越长，导油速度越慢，反之则导油速度越快，容易出现烧棉或泡油的现象，烟雾量不稳定，用户体验差。
3.由于杯状雾化棉仅有外侧壁与一面与烟油接触并导油，因而在雾化过程中，不能及时迅速地对杯状雾化棉补充烟油，导油速度不稳定，烟雾量不稳定。
4.出气通道与吸嘴内径一致，由于吸烟时需倾斜电子烟，因而出气通道侧壁上凝聚的大颗粒油珠容易顺着出气通道侧壁流至吸嘴，导致用户吸食到大颗粒油珠，烟雾口感差。
发明内容
本发明的目的在于，针对上述现有技术的不足，提供一种改进了的超声波电子烟雾化芯及雾化器，烟油流速稳定，不易出现烧棉和泡油的现象，烟雾量稳定，出烟速度快，用户不易吸食到出气通道内侧壁上的大颗粒烟油珠，用户体验好。
为解决上述技术问题，本发明所采用的技术方案是：
一种超声波电子烟雾化芯，包括超声雾化片、杯状雾化棉、内外套接的内套管和外套管，其中杯状雾化棉侧壁夹设于内套管与外套管之间，杯状雾化棉的外底面与超声雾化片的雾化面相抵接，外套管侧壁上开设过油孔，其结构特点是内套管下段与外套管之间的间距比杯状雾化棉的厚度大0.1～0.5mm。
现有超声波电子烟雾化芯结构并未关注内套管下段与外套管之间的间距大小：当内套管下段与外套管之间的间距等于杯状雾化棉的厚度时，烟雾量偏小且每口的烟雾量大小不一致。当所述间距比杯状雾化棉的厚度小时，烟雾量更小且可能出现烧棉的现象，还会引起超声雾化片干烧，超声雾化片的使用寿命短。当所述间距过大时，用户容易吸食到烟油，且超声雾化片容易泡油，超声雾化片启动速度慢，用户体验差。由于杯状雾化棉侧壁夹在内套管与外套管之间，因而本发明通过精心设计内套管下段与外套管之间的间隙大小来控制杯状雾化棉的导 油速率，在本发明中，内套管下段与外套管之间的间距比杯状雾化棉的厚度大0.1～0.5mm，由于杯状雾化棉吸收烟油时膨胀的厚度也为0.1mm～0.5mm，因此在吸烟时，气流通过的杯状雾化棉表面而产生的气压差，从而使外部气流更容易通过该间距进入到储油腔内实现油气置换才能使烟油通过杯状雾化棉导流至超声雾化片上雾化，才能够有效的控制烟油在雾化棉内的传导速率即使传导烟油速率更加稳定，使超声雾化片在高频振荡雾化的过程烟油供应量充足，不会出现干烧或泡油的现象，烟雾量稳定，用户不易吸食到烟油，烟雾口感好，超声雾化片启动速度快，用户体验好。
作为一种优选方式，内套管下段与外套管之间的间距比杯状雾化棉的厚度大0.2～0.3mm。
进一步地，杯状雾化棉侧壁在内套管下段与外套管之间的夹设长度为所述间距的1～6倍。
由于内套管下段与外套管之间的配合高度决定杯状雾化棉在间隙的被夹长度，如果被夹长度越长，储油腔内外的油气置换速度慢，导致雾化棉导油速度越缓慢，反之则导油速度越快，容易出现烧棉或泡油的现象。本发明通过精心设计杯状雾化棉的被夹长度，将杯状雾化棉侧壁在内套管下段与外套管之间的夹设长度设计为所述间距的1～6倍，从而导油速率与雾化速率成比例关系达到供需平衡，所以烟雾量稳定，雾化效果好，不干烧或泡油的现象，用户体验更佳。
作为一种优选方式，杯状雾化棉侧壁在内套管下段与外套管之间的夹设长度为所述间距的3～4倍。
作为一种优选方式，所述杯状雾化棉的厚度为0.3～2.0mm。
作为一种优选方式，所述杯状雾化棉的厚度为0.5～1.2mm。
进一步地，所述内套管中段外侧壁设有凹槽。
由于内套管中段外侧壁设有凹糟，该凹槽与杯状雾化棉侧壁之间形成备油腔。烟油从过油孔进入到杯状雾化棉，当抵接在过油孔上的那段雾化棉吸收烟油饱和时，有部分的烟油存储在备油腔内，从而杯状雾化棉侧壁内侧面和外侧面均与烟油接触，在雾化的过程中若过油孔通过的烟油量不足时，则由该备油腔内的烟油及时的给雾化棉补充烟油，使导油速度稳定，每口雾化出来的烟雾量稳定，提升用户体验。
进一步地，所述内套管下段外侧壁沿内套管轴向开设若干渗油槽。
可以通过渗油槽将备油腔内的烟油快速引导到杯状雾化棉未被夹紧的部分，从而能够使烟油能够快速补给，提升烟雾量的稳定性，也可以防止干烧现象。
基于同一个发明构思，本发明还提供了一种超声波电子烟雾化器，包括吸嘴、油腔组件，还包括所述的超声波电子烟雾化芯，雾化芯与油腔组件相连，油腔组件的储油腔通过过油孔与杯状雾化棉相连通。
进一步地，内套管上段内径大于内套管中段内径，油腔组件包括连接套，雾化芯上段置于连接套内，连接套与内套管上段之间围成可容纳烟油的阻油腔；超声雾化片的雾化棉依次通过内套管内腔、连接套内腔与吸嘴相连通。
阻油腔设置在雾化芯的顶端，在雾化芯插入油腔组件后阻油腔的内径大于吸嘴的内径。当用户倾斜电子烟吸烟时，出气通道侧壁上凝聚的大颗粒油珠顺着出气通道侧壁向吸嘴方向流动并滞留在阻油腔内，可以防止用户吸食到大颗粒油珠，烟雾口感好。
作为一种优选方式，所述油腔组件包括从上往下依次相连的上盖、下盖与底盖，连接套设于上盖内，上盖内壁与连接套外壁之间形成所述储油腔，连接套侧壁上开设进油孔，储油腔依次通过进油孔、过油孔与杯状雾化棉相连通。
进一步地，还包括进气管，吸嘴内设有转换头，进气管的一端与转换头固连 并与外界相连通，进气管的另一端与杯状雾化棉内腔相连通。
进一步地，所述雾化芯还包括弹簧，弹簧的一端与内套管内侧壁抵接，弹簧的另一端与杯状雾化棉内底面抵接。
作为一种优选方式，所述雾化芯还包括外套管内的雾化座，超声雾化片固设于雾化座上。
作为一种优选方式，所述雾化芯还包括下电极、外套管底端的螺纹座，下电极穿过螺纹座并与超声雾化片电连接，下电极与螺纹座之间通过绝缘环绝缘相连。
与现有技术相比，本发明烟油流速稳定，不易出现烧棉和泡油的现象，烟雾量稳定，出烟速度快，用户不易吸食到大颗粒烟油珠，用户体验好。
附图说明
图1为雾化芯实施例一的正剖视图。
图2为图1中Ⅰ部的放大图。
图3为雾化芯实施例二的正剖视图。
图4为图3中内套管的结构示意图。
图5为雾化器实施例的正剖视图。
图6为图5的A-A剖视图。
图7为油腔组件的结构示意图。
图8为雾化器上部的爆炸图。
图9为雾化器下部的爆炸图。
其中，1为超声雾化片，2为杯状雾化棉，3为内套管，301为凹槽，302为渗油槽，4为外套管，401为过油孔，5为吸嘴，6为油腔组件，7为雾化芯，8为储油腔，9为连接套，901为进油孔，10为阻油腔，11为上盖，12为下盖，13为底盖，14为进气管，15为弹簧，16为雾化座，17为下电极，18为螺纹座，19为绝缘环，20为密封垫，21为密封圈，22为转换头。
具体实施方式
雾化芯实施例一
如图1和图2所示，超声波电子烟雾化芯实施例一包括超声雾化片1、杯状雾化棉2、内外套接的内套管3和外套管4，超声雾化片1为实心压电陶瓷式雾化片，烟油在该超声雾化片1表面进行超声雾化产生烟雾，其中外套管4侧壁上开设过油孔401，杯状雾化棉2侧壁夹设于内套管3与外套管4之间，并且抵接在过油孔401的一端，杯状雾化棉2的外底面与超声雾化片1的雾化面相抵接，内套管3下段与外套管4之间的间距d比杯状雾化棉2的厚度大0.1～0.5mm。由于该间距d与超声雾化片1表面最近，所以可以通过该间距d大小来控制杯状雾化棉2的夹紧状态，从而控制烟油在该处杯状雾化棉2的流动速度，防止超声雾化片1在工作过程中出现干烧或泡油的现象。在不断的实验过程中得到，杯状雾化棉2导油速率与直径为16mm的超声雾化片1的雾化率匹配最为理想的是：内套管3下段与外套管4之间的间距d比杯状雾化棉2的厚度大0.2～0.3mm。。
在间距d确定后，在对应该间距d的长度h也影响烟油在该处杯状雾化棉2的流动速度，因此杯状雾化棉2侧壁在内套管3下段与外套管4之间的夹设长度h为所述间距d的1～6倍。优选地，杯状雾化棉2侧壁在内套管3下段与外套管4之间的夹设长度h为所述间距d的3～4倍。
所述杯状雾化棉2的厚度为0.3～2.0mm。优选地，所述杯状雾化棉2的厚度为0.5～1.2mm。
在所述内套管3中段外侧壁与过油孔401对应位置处设有凹槽301，凹槽301可以用于容纳在组装杯状雾化棉2时发生的褶皱变形，防止褶皱变形的杯状雾化棉2传导烟油不顺畅；也可以用于存储一定量的烟油作为备用，避免超声雾化片1在超声雾化的过程中出现烟油量供应不足而干烧的现象。
内套管3上段和外套管4上段通过铆接方式使得杯状雾化棉2固定夹持在内套管3和外套管4之间。
雾化芯实施例二
如图3和图4所示，超声波电子烟雾化芯实施例二与超声波电子烟雾化芯实施例一结构类似，区别在于，实施例二中，所述内套管3下段外侧壁沿内套管3轴向开设若干渗油槽302。可通过渗油槽302的数量对往下渗透的烟油量，这些渗油槽302与凹槽301连通，所以可以将凹槽301内的备用油往下渗；也可以局部减小间距d对该处杯状雾化棉2挤压的松紧度，从而控制烟油在杯状雾化棉2的局部导油速度。对于实施例二中与实施例一中相同的结构，在此不做文字赘述，但并不影响本领域的技术人员对本发明的理解和实现。
雾化器实施例
如图5至图9所示，超声波电子烟雾化器包括吸嘴5、油腔组件6，还包括实施例一中所述的超声波电子烟雾化芯7，雾化芯7与油腔组件6相连，油腔组件6的储油腔8通过过油孔401与杯状雾化棉2相连通。
内套管3上段内径大于内套管3中段内径，油腔组件6包括连接套9，雾化芯7上段置于连接套9内，连接套9与内套管3上段之间围成可容纳烟油的阻油腔10；超声雾化片1的雾化棉依次通过内套管3内腔、连接套9内腔与吸嘴5相连通，超声雾化片1工作时产生的烟雾经过内套管3内腔、阻油腔10、连接套9内腔排至吸嘴5供用户吸食，因此在排出过程中，阻油腔10可以阻挡烟雾中大颗粒烟油珠，防止用户吸食到大颗粒烟油珠而影响烟雾口感。
所述油腔组件6包括从上往下依次相连的上盖11、下盖12与底盖13，连接套9设于上盖11内，上盖11内壁与连接套9外壁之间形成所述储油腔8，连接套9侧壁上开设进油孔901，储油腔8依次通过进油孔901、过油孔401与杯状雾化棉2相连通。图6中箭头所示方向为导油方向。
上盖11与吸嘴5之间设有密封垫20。上盖11与下盖12之间设有密封圈21。
雾化器还包括进气管14，吸嘴5内设有转换头22，进气管14的一端与转换头22固连并与外界相连通，进气管14的另一端与杯状雾化棉2内腔相连通，气流从进气管14进入杯状雾化棉2内腔，然后从内套管3内腔、阻油腔10、连接套9内腔、吸嘴5排出。
所述雾化芯7还包括弹簧15，弹簧15的一端与内套管3内侧壁抵接，弹簧15的另一端与杯状雾化棉2内底面抵接。
所述雾化芯7还包括外套管4内的雾化座16，超声雾化片1固设于雾化座16上。
所述雾化芯7还包括下电极17、外套管4底端的螺纹座18，下电极17穿过螺纹座18并与超声雾化片1电连接，下电极17与螺纹座18之间通过绝缘环19绝缘相连。
在其余条件不变的条件下，改变杯状雾化棉的厚度、内套管3下段与外套管4之间的间距d、杯状雾化棉2侧壁在内套管3下段与外套管4之间的夹设长度h，静置30分钟，得到第1～4口的烟雾量大小如下表1所示，可见，运用本发明后，烟油流速稳定，不易出现烧棉和泡油的现象，烟雾量稳定，出烟速度快， 用户不易吸食到大颗粒烟油珠，用户体验好。
Figure PCTCN2018119778-appb-000001
表1对比实验效果
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是局限性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，这些均属于本发明的保护范围之内。

Claims (15)

  1. 一种超声波电子烟雾化芯，包括超声雾化片(1)、杯状雾化棉(2)、内外套接的内套管(3)和外套管(4)，其中杯状雾化棉(2)侧壁夹设于内套管(3)与外套管(4)之间，杯状雾化棉(2)的外底面与超声雾化片(1)的雾化面相抵接，外套管(4)侧壁上开设过油孔(401)，其特征在于，内套管(3)下段与外套管(4)之间的间距比杯状雾化棉(2)的厚度大0.1～0.5mm。
  2. 如权利要求1所述的超声波电子烟雾化芯，其特征在于，内套管(3)下段与外套管(4)之间的间距比杯状雾化棉(2)的厚度大0.2～0.3mm。
  3. 如权利要求1所述的超声波电子烟雾化芯，其特征在于，杯状雾化棉(2)侧壁在内套管(3)下段与外套管(4)之间的夹设长度为所述间距的1～6倍。
  4. 如权利要求3所述的超声波电子烟雾化芯，其特征在于，杯状雾化棉(2)侧壁在内套管(3)下段与外套管(4)之间的夹设长度为所述间距的3～4倍。
  5. 如权利要求1所述的超声波电子烟雾化芯，其特征在于，所述杯状雾化棉(2)的厚度为0.3～2.0mm。
  6. 如权利要求5所述的超声波电子烟雾化芯，其特征在于，所述杯状雾化棉(2)的厚度为0.5～1.2mm。
  7. 如权利要求1至6任一项所述的超声波电子烟雾化芯，其特征在于，所述内套管(3)中段外侧壁设有凹槽(301)。
  8. 如权利要求7所述的超声波电子烟雾化芯，其特征在于，所述内套管(3)下段外侧壁沿内套管(3)轴向开设若干渗油槽(302)。
  9. 一种超声波电子烟雾化器，包括吸嘴(5)、油腔组件(6)，其特征在于，还包括如权利要求1至8任一项所述的超声波电子烟雾化芯(7)，雾化芯(7)与油腔组件(6)相连，油腔组件(6)的储油腔(8)通过过油孔(401)与杯状雾化棉(2)相连通。
  10. 如权利要求9所述的超声波电子烟雾化器，其特征在于，内套管(3)上段内径大于内套管(3)中段内径，油腔组件(6)包括连接套(9)，雾化芯(7)上段置于连接套(9)内，连接套(9)与内套管(3)上段之间围成可容纳烟油的阻油腔(10)；超声雾化片(1)的雾化棉依次通过内套管(3)内腔、连接套(9)内腔与吸嘴(5)相连通。
  11. 如权利要求9所述的超声波电子烟雾化器，其特征在于，所述油腔组件(6)包括从上往下依次相连的上盖(11)、下盖(12)与底盖(13)，连接套(9)设于上盖(11)内，上盖(11)内壁与连接套(9)外壁之间形成所述储油腔(8)，连接套(9)侧壁上开设进油孔(901)，储油腔(8)依次通过进油孔(901)、过油孔(401)与杯状雾化棉(2)相连通。
  12. 如权利要求11所述的超声波电子烟雾化器，其特征在于，还包括进气管(14)，吸嘴(5)内设有转换头(22)，进气管(14)的一端与转换头(22)固连并与外界相连通，进气管(14)的另一端与杯状雾化棉(2)内腔相连通。
  13. 如权利要求9所述的超声波电子烟雾化器，其特征在于，所述雾化芯(7)还包括弹簧(15)，弹簧(15)的一端与内套管(3)内侧壁抵接，弹簧(15)的另一端与杯状雾化棉(2)内底面抵接。
  14. 如权利要求9所述的超声波电子烟雾化器，其特征在于，所述雾化芯(7)还包括外套管(4)内的雾化座(16)，超声雾化片(1)固设于雾化座(16)上。
  15. 如权利要求9所述的超声波电子烟雾化器，其特征在于，所述雾化芯(7)还包括下电极(17)、外套管(4)底端的螺纹座(18)，下电极(17)穿过螺纹 座(18)并与超声雾化片(1)电连接，下电极(17)与螺纹座(18)之间通过绝缘环(19)绝缘相连。
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