WO2022056672A1 - 导液棉雾化单元 - Google Patents

导液棉雾化单元 Download PDF

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Publication number
WO2022056672A1
WO2022056672A1 PCT/CN2020/115308 CN2020115308W WO2022056672A1 WO 2022056672 A1 WO2022056672 A1 WO 2022056672A1 CN 2020115308 W CN2020115308 W CN 2020115308W WO 2022056672 A1 WO2022056672 A1 WO 2022056672A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
cotton
guiding
heating
support tube
Prior art date
Application number
PCT/CN2020/115308
Other languages
English (en)
French (fr)
Inventor
陈平
Original Assignee
深圳市华诚达精密工业有限公司
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
Application filed by 深圳市华诚达精密工业有限公司 filed Critical 深圳市华诚达精密工业有限公司
Priority to KR1020217040198A priority Critical patent/KR20220038598A/ko
Priority to US17/764,975 priority patent/US20220346446A1/en
Priority to PCT/CN2020/115308 priority patent/WO2022056672A1/zh
Priority to EP20953533.5A priority patent/EP4023083B1/en
Priority to CN202080106514.9A priority patent/CN116507232A/zh
Priority to CA3154658A priority patent/CA3154658C/en
Priority to ES20953533T priority patent/ES2959855T3/es
Priority to JP2021572004A priority patent/JP7246782B2/ja
Publication of WO2022056672A1 publication Critical patent/WO2022056672A1/zh

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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
    • A24F40/40—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
    • A24F40/10—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
    • A24F40/46—Shape or structure of electric 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0244—Heating of fluids
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids

Definitions

  • the invention relates to the technical field of electronic cigarettes, in particular to a liquid-guiding cotton atomizing unit.
  • liquid-conducting cotton as a liquid-conducting medium through the heating body is more and more popular among consumers due to its pure nature, low cost, and good atomization taste.
  • the use of liquid-conducting cotton as a liquid-conducting medium also has many problems in the process of mass production, as follows:
  • the atomizing core is formed by wearing liquid-conducting cotton through the heating body. Generally, the two ends enter the liquid, and the middle heats up. The path for the liquid to enter the middle of the heating body is long, and the middle part is prone to insufficient liquid supply and the middle temperature of the heating body. It is easy to be too high, and the liquid-conducting cotton will be easily carbonized and affect its life if it is kept at high temperature for a long time.
  • the outer diameter of the liquid-conducting cotton needs to be larger if the contact between the liquid-conducting cotton and the heating body is good.
  • the compressed cotton causes insufficient oil supply and is easy to burn, so the size of the liquid-conducting cotton is difficult to control.
  • the technical problem to be solved by the present invention is to provide a liquid-conducting cotton atomizing unit that improves the heating condition of the heating element.
  • a liquid-guiding cotton atomization unit which includes a heating element, a liquid-guiding cotton and at least one liquid-guiding support tube; the liquid-guiding cotton is axially penetrated at the In the heating body, the liquid guiding support tube is parallel to the axial direction of the liquid guiding cotton and is arranged in the liquid guiding cotton;
  • the heating element includes a heating part and two electrode parts respectively connected to both ends of the heating part; and at least one liquid outlet hole corresponding to the heating part is provided on the liquid guiding support tube.
  • the length of the liquid guiding support tube is greater than the length of the heat generating part.
  • At least one liquid inlet hole is provided on at least one end of the liquid guiding support tube.
  • the end face of at least one end of the liquid guiding support tube is provided with an inclined surface to form a pointed structure.
  • At least one end of the liquid guiding support tube extends axially and protrudes out of the end face of the liquid guiding cotton.
  • the end of the liquid guiding support tube extending out of the liquid guiding cotton is flared.
  • the outer diameter of the liquid-guiding cotton is smaller than the inner diameter of the heating element; the liquid-guiding support tube is penetrated in the liquid-guiding cotton, and the liquid-guiding cotton is enlarged so that it is sufficiently close to the heating element touch.
  • the outer diameter of the liquid guiding cotton is larger than the inner diameter of the heating element, and the liquid guiding cotton is provided with a channel extending axially and passing through opposite ends of the liquid guiding cotton; in the channel.
  • the heating part is a helical structure formed by helical winding of a heating wire; two electrode parts are respectively formed at both ends of the heating wire.
  • the heating element is a heating pipe
  • the middle section of the heating pipe is hollowed out to form the heating part
  • the opposite ends of the heating pipe respectively form two electrode parts.
  • the length of the liquid-conducting cotton is greater than the length of the heating tube, and opposite ends of the liquid-conducting cotton respectively protrude out of the electrode part.
  • the liquid guiding cotton atomizing unit of the present invention plays a role of guiding liquid through the liquid guiding support tube which is penetrated in the liquid guiding cotton, and the liquid outlet hole provided on the liquid guiding support tube guides the liquid to the heating part of the heating body, so as to realize The heating part on the heating element supplies liquid in multiple directions, which solves the problem of high temperature and insufficient life due to insufficient liquid supply in the middle part of the heating element for a long time.
  • the liquid guiding support tube also plays the role of expanding the outer diameter of the liquid guiding cotton, so that the liquid guiding cotton and the heating body are fully in contact, avoiding the problem of local high temperature scorching caused by poor contact, and also improving the structural strength of the entire atomizing unit. , so that it is not easy to deform, the size is controllable, the consistency and reliability of the atomizing unit are improved, and it is convenient for installation.
  • Fig. 1 is the structural representation of the liquid-conducting cotton atomizing unit of the first embodiment of the present invention
  • Fig. 2 is the sectional structure schematic diagram of the liquid-conducting cotton atomizing unit of the first embodiment of the present invention
  • Fig. 3 is the structural representation of the liquid guide support tube in Fig. 2;
  • FIG. 4 is a schematic cross-sectional structure diagram of a liquid-conducting cotton atomizing unit according to a second embodiment of the present invention.
  • FIG. 5 is a schematic cross-sectional structure diagram of a liquid-conducting cotton atomizing unit according to a third embodiment of the present invention.
  • FIG. 6 is a schematic cross-sectional structure diagram of a liquid-conducting cotton atomizing unit according to a fourth embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a liquid-conducting cotton atomizing unit according to a fifth embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a liquid-conducting cotton atomizing unit according to a sixth embodiment of the present invention.
  • Fig. 9 is the sectional structure schematic diagram of Fig. 8.
  • FIG. 10 is a schematic structural diagram of a liquid-conducting cotton atomizing unit according to a seventh embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of the liquid-conducting cotton atomizing unit according to the eighth embodiment of the present invention.
  • the liquid guiding cotton atomizing unit includes a heating element 10 , a liquid guiding cotton 20 and a liquid guiding support tube 30 .
  • the liquid guiding cotton 20 is axially penetrated in the heating body 10 ; the liquid guiding support tube 30 is parallel to the axial direction of the liquid guiding cotton 20 and is penetrated in the liquid guiding cotton 20 .
  • the heating element 10 After the heating element 10 is energized and heated, it heats and atomizes the smoke liquid adsorbed on the liquid-conducting cotton 20 in contact with it to form smoke.
  • the heating element 10 includes a heating portion 11 and two electrode portions 12 respectively connected to both ends of the heating portion 11 .
  • the electrode part 12 is mainly used as an external power supply for positive and negative electrodes, and the heating part 11 is mainly used to generate heat to heat and atomize the e-liquid after electrification.
  • the outer diameter of the liquid-conducting cotton 20 is smaller than the inner diameter of the heating body 10 , so that the liquid-conducting cotton 20 can easily and completely penetrate into the heating body 10 without causing deformation of the heating body 10 .
  • the liquid guiding support tube 30 is inserted into the liquid guiding cotton 20 , and the outer diameter of the liquid guiding cotton 20 is enlarged to make it fully contact with the heating element 10 .
  • the heating element 10 is made of heating wire.
  • the heating part 11 is a helical structure formed by a heating wire by helical winding; two electrode parts 12 are respectively formed at both ends of the heating wire.
  • the two electrode portions 12 extend outward at opposite ends of the heat generating portion 11 in a direction perpendicular to the axial direction of the heat generating portion 11 .
  • the electrode portion 12 may also extend outward in parallel with the axial direction of the heating portion 11 .
  • the heating element 10 is made of heating wire, and the length of the liquid-conducting cotton 20 is greater than the length of the heating part 11 (ie, the spiral structure), so that the opposite ends of the liquid-conducting cotton 20 protrude from the two ends of the heating part 11 respectively. , easy to absorb smoke liquid.
  • the length of the liquid guiding support tube 30 is greater than the length of the heating part 11, and the liquid guiding cotton 20 is enlarged to increase its outer diameter so as to be in full contact with the inner surface of the heating part 11, so as to avoid the heating part 11 from being damaged.
  • the structural strength of the liquid-conducting cotton 20 is improved, thereby improving the structural strength of the entire atomizing unit, which is conducive to the assembly and fixation in the electronic cigarette.
  • the entire length of the liquid guiding support tube 30 is smaller than the length of the liquid guiding cotton 20, and the whole is embedded therein.
  • the liquid guide support tube 30 is provided with at least one liquid outlet hole 31 corresponding to the heating part 11 . Due to the hollow structure of the liquid guide support tube 30, the opposite ends are open to form ports, and the smoke liquid can enter from the opposite two ports of the tube, and after coming out of the liquid outlet hole 31, it is conducted to the heating part 11 through the liquid guide cotton 20 to heat the mist. change.
  • the liquid outlet holes 31 may be disposed on at least one side of the side wall of the liquid guiding support tube 30 , and there are one or more liquid outlet holes 31 on each side, and the shape of the liquid outlet holes 31 is not limited.
  • At least one liquid inlet hole 32 is further provided on at least one end of the liquid guiding support tube 30 as required.
  • the liquid inlet hole 32 is located at at least one side of the liquid outlet hole 31 and is spaced apart from the liquid outlet hole 31 .
  • the setting of the liquid inlet hole 32 enables the smoke liquid absorbed by the liquid guiding cotton 20 to enter the liquid guiding support tube 30 through the port of the liquid guiding support tube 30 and the liquid inlet hole 32, and then flow out from the liquid outlet hole 31 to the corresponding guiding liquid.
  • the cotton part is adsorbed and then heated and atomized by the heating part.
  • the liquid guiding cotton atomizing unit includes a heating element 10 , a liquid guiding cotton 20 and a liquid guiding support tube 30 .
  • the liquid guiding cotton 20 is axially penetrated in the heating body 10; the liquid guiding support tube 30 is parallel to the axial direction of the liquid guiding cotton 20 and is penetrated in the liquid guiding cotton 20, and the liquid guiding cotton 20 is enlarged so that it is sufficiently close to the heating body 10. touch.
  • the heating element 10 is energized and heated, it heats and atomizes the smoke liquid adsorbed on the liquid-conducting cotton 20 in contact with it to form smoke.
  • the heating element 10 is made of heating wire.
  • the setting of the liquid outlet hole 31 on the liquid guide support tube 30, the liquid inlet hole is set as required, and the specific settings of the heating element 10, the liquid guide support tube 30 and the liquid guide cotton 20, etc. refer to the above-mentioned first and second embodiments, and here No longer.
  • This embodiment is different from the above-mentioned first and second embodiments in that the end face of at least one end of the catheterization support tube 30 is inclined to form a pointed structure 33, which facilitates the insertion of the catheterization support tube 30 into the catheterization cotton 20, and also Play a role in strengthening the introduction of smoke liquid.
  • the liquid guiding cotton atomizing unit includes a heating element 10 , a liquid guiding cotton 20 and a liquid guiding support tube 30 .
  • the liquid guiding cotton 20 is axially penetrated in the heating body 10; the liquid guiding support tube 30 is parallel to the axial direction of the liquid guiding cotton 20 and is penetrated in the liquid guiding cotton 20, and the liquid guiding cotton 20 is enlarged so that it is sufficiently close to the heating body 10. touch.
  • the heating element 10 is energized and heated, it heats and atomizes the smoke liquid adsorbed on the liquid-conducting cotton 20 in contact with it to form smoke.
  • the electrode part 12 is mainly used as an external power supply for positive and negative electrodes, and the heating part 11 is mainly used to generate heat to heat and atomize the e-liquid after electrification.
  • the heating element 10 includes a heating portion 11 and two electrode portions 12 respectively connected to both ends of the heating portion 11 .
  • the electrode part 12 is mainly used as an external power supply for positive and negative electrodes, and the heating part 11 is mainly used to generate heat to heat and atomize the e-liquid after electrification.
  • the liquid guide support tube 30 is provided with at least one liquid outlet hole 31 corresponding to the heating part 11 .
  • the smoke liquid can enter from two opposite ports of the liquid guiding support tube 30 , and after exiting from the liquid outlet hole 31 , it is conducted to the heating part 11 through the liquid guiding cotton 20 for heating and atomization.
  • the heating element 10 is made of heating wire.
  • the length of the liquid guiding support tube 30 is greater than the length of the heating part 11, and the liquid guiding cotton 20 is enlarged to increase its outer diameter so as to be in full contact with the inner surface of the heating part 11, and at the same time, the structural strength of the liquid guiding cotton 20 is also improved, thereby improving the The structural strength of the entire atomizing unit is conducive to the assembly and fixation in the electronic cigarette.
  • the setting of the liquid outlet hole 31 on the liquid guide support tube 30, the liquid inlet hole is set as required, and the specific settings of the heating element 10, the liquid guide support tube 30 and the liquid guide cotton 20, etc. refer to the above-mentioned first and second embodiments, and here No longer.
  • the difference between this embodiment and the above-mentioned first and second embodiments is that the length of the liquid guiding support tube 30 is greater than the length of the liquid guiding cotton 20 .
  • At least one end of the catheter support tube 30 extends axially and protrudes out of the end face of the catheter cotton 20, so that the port of the catheter support tube 30 is outside the catheter cotton 20, which is helpful for the introduction of smoke liquid, and the smoke liquid passes through the catheterization liquid
  • the liquid outlet hole 31 on the support tube 30 is adsorbed by the liquid guiding cotton 20, and finally conducts to the heating part 11 for heating and atomization.
  • end portion 34 of the liquid guiding support tube 30 extending out of the liquid guiding cotton 20 also facilitates the cooperation of the fixing member and the like, and the entire atomizing unit is fixed.
  • the end 34 of the liquid-guiding support tube 30 extending out of the liquid-guiding cotton 20 is flared to form a flared shape, In this way, the smoke liquid can enter the catheterization support tube 30 more smoothly.
  • the liquid guiding cotton atomizing unit includes a heating element 10 , a liquid guiding cotton 20 and a liquid guiding support tube 30 .
  • the liquid guiding cotton 20 is axially penetrated in the heating body 10; the liquid guiding support tube 30 is parallel to the axial direction of the liquid guiding cotton 20 and is penetrated in the liquid guiding cotton 20, and the liquid guiding cotton 20 is enlarged so that it is sufficiently close to the heating body 10. touch.
  • the heating element 10 is energized and heated, it heats and atomizes the smoke liquid adsorbed on the liquid-conducting cotton 20 in contact with it to form smoke.
  • the heating element 10 includes a heating portion 11 and two electrode portions 12 respectively connected to both ends of the heating portion 11 .
  • the electrode part 12 is mainly used as an external power supply for positive and negative electrodes, and the heating part 11 is mainly used to generate heat to heat and atomize the e-liquid after electrification.
  • the liquid guide support tube 30 is provided with at least one liquid outlet hole 31 corresponding to the heating part 11 . The smoke liquid entering the liquid guiding support tube 30 may exit from the liquid outlet hole 31 and then be conducted to the heating part 11 through the liquid guiding cotton 20 for heating and atomization.
  • the heating element 10 is a heating pipe, the middle section of the heating pipe is hollowed out to form the heating part 11 , and the opposite ends of the heating pipe are respectively formed with two electrode parts 12 .
  • the hollow arrangement of the heating portion 11 enables it to form a structure in which a plurality of heating rings are connected in sequence, as shown in FIG. 8 ;
  • the outer diameter of the liquid-conducting cotton 20 is smaller than the inner diameter of the heating body 10 , so that the liquid-conducting cotton 20 can easily and completely penetrate into the heating body 10 without causing deformation of the heating body 10 .
  • the length of the liquid-conducting cotton 20 is greater than the length of the heating pipe, and opposite ends of the liquid-conducting cotton 20 respectively protrude out of the electrode part 12 to facilitate adsorption of the smoke liquid.
  • the liquid guiding support tube 30 is inserted into the liquid guiding cotton 20, and the liquid guiding cotton 20 is enlarged to increase its outer diameter so as to be in full contact with the inner surface of the heating part 11, and at the same time, the structural strength of the liquid guiding cotton 20 is improved, thereby improving the performance of the liquid guiding cotton 20.
  • the structural strength of the entire atomizing core is more conducive to the assembly and fixation in the electronic cigarette.
  • the length of the liquid guide support tube 30 is greater than the length of the heat generating portion 11, and may also be greater than the length of the entire heat generating tube.
  • liquid guiding support tube 30 for the structure of the liquid guiding support tube 30 in this embodiment, reference may be made to the liquid guiding support tube 30 in the first to fifth above, which will not be repeated here.
  • the support rod in the first embodiment has an overall length less than the length of the liquid-conducting cotton 20 , is embedded in the liquid-conducting cotton 20 , and is provided with a pointed portion at one end to facilitate insertion into the liquid-conducting cotton 20 .
  • at least one end protrudes from the end of the liquid guide cotton 20 and is bent to form a positioning portion, which effectively prevents the support rod from falling out of the liquid guide cotton 20 .
  • the liquid-guiding cotton atomizing unit of the seventh embodiment of the present invention is different from the above-mentioned sixth embodiment in that it includes a plurality of liquid-guiding support tubes 30 .
  • a plurality of liquid-guiding support tubes 30 are arranged in parallel in the axial direction and pass through the liquid-guiding cotton 20,
  • the liquid guiding cotton atomizing unit includes a heating element 10 , a liquid guiding cotton 20 and a liquid guiding support tube 30 .
  • the liquid guiding cotton 20 is axially penetrated in the heating body 10; the liquid guiding support tube 30 is parallel to the axial direction of the liquid guiding cotton 20 and is penetrated in the liquid guiding cotton 20, and the liquid guiding cotton 20 is enlarged so that it is sufficiently close to the heating body 10. touch.
  • the heating element 10 is energized and heated, it heats and atomizes the smoke liquid adsorbed on the liquid-conducting cotton 20 in contact with it to form smoke.
  • the heating element 10 includes a heating portion 11 and two electrode portions 12 respectively connected to both ends of the heating portion 11 .
  • the electrode part 12 is mainly used as an external power supply for positive and negative electrodes, and the heating part 11 is mainly used to generate heat to heat and atomize the e-liquid after electrification.
  • the heating body 10 may be a helical structure made of a heating wire, or may be a heating tube, for details, please refer to the above-mentioned first embodiment or the seventh embodiment.
  • the outer diameter of the liquid guiding cotton 20 is larger than the inner diameter of the heating element 10 .
  • the liquid-conducting cotton 20 is provided with channels 21 extending axially and passing through opposite ends thereof. The arrangement of the channel 21 provides sufficient compression space for the liquid-conducting cotton 20 so that it can be compressed into the heating body 10 .
  • the liquid guide support tube 30 is inserted into the channel 21 of the liquid guide cotton 20, and the compressed liquid guide cotton 20 is appropriately stretched to make it fully contact with the inner surface of the heating body 10, so as to ensure the smoke liquid of each part of the heating body 10. continuous conduction for heating atomization.
  • the liquid-conducting cotton atomizing unit of the present invention is applied to electronic cigarettes and other products, has a long service life, and improves the atomization effect and user experience effect.

Abstract

一种导液棉雾化单元，包括发热体（10）、导液棉（20）以及至少一根导液支撑管（30）；导液棉（20）轴向穿设在发热体（10）内，导液支撑管（30）平行于导液棉（20）的轴向并穿设在导液棉（20）内；发热体（10）包括发热部（11）以及分别连接在发热部（11）两端的两个电极部（12）；导液支撑管（30）上设有至少一个与发热部（11）对应的出液孔（31）。该导液支撑管穿设在导液棉中，起到导液的作用，出液孔将液体引导至发热体的发热部，解决发热体中间部位长时间使用，因为供液不足而产生的温度高、寿命不足的问题。导液支撑管还可将导液棉外径撑大，使导液棉和发热体充分接触，避免接触不良造成局部高温、烧焦的问题，并可提高整个雾化单元的结构强度。

Description

导液棉雾化单元 技术领域
本发明涉及电子烟技术领域，尤其涉及一种导液棉雾化单元。
 背景技术
随着电子烟的不断发展，技术的不断创新和进步，电子烟在体验上越来越好，越来越被人们接受。现有的一些电子烟中，采用发热体内穿设导液棉作为导液介质形成的雾化芯，由于其纯天然、成本较低、雾化的口感好等优点越来越受消费者喜欢。但是，采用导液棉作为导液介质在大批量生产的过程中也存在着很多问题，如下：
1. 采用发热体内穿设导液棉形成的雾化芯，一般是两端进液，中间发热，液体进入到发热体中间位置的路径较长，中间部位容易出现供液不足，发热体中间温度容易过高，导液棉长期处于高温会容易碳化而影响寿命。
2.由于导液棉是穿在发热体内，要想导液棉和发热体的接触良好，导液棉的外径需要偏大，但是导液棉偏大时容易造成发热体变形，发热体容易压缩棉造成供油不足，容易烧焦，因此导液棉的尺寸难以控制。
3.当导液棉的外径较细时，导液棉较容易穿到发热体中间，导液棉和发热体容易出现局部接触不好，发热体局部位置没有接触到导液棉，容易造成发热体局部高温烧焦的问题，影响用户体验。
 技术问题
本发明要解决的技术问题在于，提供一种改善发热体发热情况的导液棉雾化单元。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：提供一种导液棉雾化单元，包括发热体、导液棉以及至少一根导液支撑管；所述导液棉轴向穿设在所述发热体内，所述导液支撑管平行所述导液棉的轴向并穿设在所述导液棉内；
所述发热体包括发热部、分别连接在所述发热部两端的两个电极部；所述导液支撑管上设有至少一个与所述发热部对应的出液孔。
优选地，所述导液支撑管的长度大于所述发热部的长度。
优选地，所述导液支撑管的至少一端上设有至少一个进液孔。
优选地，所述导液支撑管的至少一端的端面经斜面设置形成尖头结构。
优选地，所述导液支撑管的至少一端轴向延伸并伸出所述导液棉的端面。
优选地，所述导液支撑管伸出所述导液棉的端部呈扩口状。
优选地，所述导液棉的外径小于所述发热体的内径；所述导液支撑管穿设在所述导液棉内，撑大所述导液棉使其与所述发热体充分接触。
优选地，所述导液棉的外径大于所述发热体的内径，且所述导液棉内设有轴向延伸并贯穿其相对两端的通道；所述导液支撑管穿设在所述通道中。
优选地，所述发热部为发热丝通过螺旋绕覆形成的螺旋状结构；所述发热丝的两端分别形成两个所述电极部。
优选地，所述发热体为发热管，所述发热管的中段通过镂空设置形成所述发热部，所述发热管的相对两端分别形成两个所述电极部。
优选地，所述导液棉的长度大于所述发热管的长度，所述导液棉的相对两端分别伸出所述电极部外。
 有益效果
本发明的导液棉雾化单元，通过导液支撑管穿设在导液棉内起到导液的作用，导液支撑管上设置的出液孔将液体引导至发热体的发热部，实现发热体上发热部多方位供液，解决发热体中间部位长时间使用因为供液不足而产生的温度高寿命不足的问题。同时，导液支撑管还起到将导液棉外径撑大的作用，使得导液棉和发热体充分接触，避免接触不良造成局部高温烧焦的问题，还提高整个雾化单元的结构强度，使其不易变形，尺寸可控，提高雾化单元的一致性及可靠性，利于安装。
 附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明第一实施例的导液棉雾化单元的结构示意图；
图2是本发明第一实施例的导液棉雾化单元的剖面结构示意图；
图3是图2中导液支撑管的结构示意图；
图4是本发明第二实施例的导液棉雾化单元的剖面结构示意图；
图5是本发明第三实施例的导液棉雾化单元的剖面结构示意图；
图6是本发明第四实施例的导液棉雾化单元的剖面结构示意图；
图7是本发明第五实施例的导液棉雾化单元的结构示意图；
图8是本发明第六实施例的导液棉雾化单元的结构示意图；
图9是图8的剖面结构示意图；
图10是本发明第七实施例的导液棉雾化单元的结构示意图；
图11是本发明第八实施例的导液棉雾化单元的结构示意图。
 本发明的实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
如图1-3所示，本发明第一实施例的导液棉雾化单元，包括发热体10、导液棉20以及导液支撑管30。导液棉20轴向穿设在发热体10内；导液支撑管30平行导液棉20的轴向并穿设在导液棉20内。发热体10在通电发热后，将与其接触的导液棉20上吸附的烟液加热雾化形成烟雾。
其中，发热体10包括发热部11、分别连接在发热部11两端的两个电极部12。电极部12主要作为正负极外接电源，发热部11主要用于在通电后发热对烟液进行加热雾化。
导液棉20的外径小于发热体10的内径，这样导液棉20可以轻松完整地穿进发热体10且不会导致发热体10变形。导液支撑管30穿设在导液棉20内，撑大导液棉20的外径使其与发热体10充分接触。
本实施例中，发热体10由发热丝制成。发热部11为发热丝通过螺旋绕覆形成的螺旋状结构；发热丝的两端分别形成两个电极部12。两个电极部12在发热部11的相对两端，分别以垂直发热部11的轴向向外延伸。根据在电子烟中的安装需要，电极部12也可以平行发热部11的轴向向外延伸。
对应发热体10为发热丝制成的结构，导液棉20的长度大于发热部11（即螺旋状结构）的长度，这样导液棉20的相对两端分别伸出发热部11的两端外，便于吸附烟液。
进一步地，本实施例中，导液支撑管30的长度大于发热部11的长度，撑大导液棉20使其外径增大以与发热部11的内表面充分接触，避免发热部11有部分接触不到导液棉20的问题，同时还提高导液棉20的结构强度，进而提高整个雾化单元的结构强度，利于在电子烟中的组装固定。
导液支撑管30的整体长度小于导液棉20的长度，整体埋设在其中。导液支撑管30上设有至少一个与发热部11对应的出液孔31。导液支撑管30由于中空的结构，相对两端开放形成端口，烟液可以从管的相对两个端口进入，由出液孔31出来后经过导液棉20传导至发热部11以进行加热雾化。
出液孔31可以设置在导液支撑管30侧壁的至少一侧上，每一侧的出液孔31为一个或以上，并且出液孔31的形状不限。
如图4所示，在本发明第二实施例的导液棉雾化单元中，根据需要，导液支撑管30的至少一端上还设有至少一个进液孔32。在导液支撑管30的轴向上，进液孔32位于出液孔31的至少一侧并与出液孔31相间隔。进液孔32的设置，使得导液棉20吸附的烟液可通过导液支撑管30的端口和进液孔32进入导液支撑管30内，再从出液孔31流出被对应的导液棉部分吸附，再被发热部加热雾化。
如图5所示，本发明第三实施例的导液棉雾化单元，包括发热体10、导液棉20以及导液支撑管30。导液棉20轴向穿设在发热体10内；导液支撑管30平行导液棉20的轴向并穿设在导液棉20内，撑大导液棉20使其与发热体10充分接触。发热体10在通电发热后，将与其接触的导液棉20上吸附的烟液加热雾化形成烟雾。
本实施例中，发热体10由发热丝制成。导液支撑管30上出液孔31的设置，根据需要设置进液孔，发热体10、导液支撑管30与导液棉20的具体设置等参考上述第一和第二实施例，在此不再赘述。
本实施例不同于上述第一、第二实施例的是：导液支撑管30的至少一端的端面经斜面设置形成尖头结构33，利于导液支撑管30穿插进入导液棉20，还可起到加强烟液导入作用。
如图6所示，本发明第四实施例的导液棉雾化单元，包括发热体10、导液棉20以及导液支撑管30。导液棉20轴向穿设在发热体10内；导液支撑管30平行导液棉20的轴向并穿设在导液棉20内，撑大导液棉20使其与发热体10充分接触。发热体10在通电发热后，将与其接触的导液棉20上吸附的烟液加热雾化形成烟雾。部12。电极部12主要作为正负极外接电源，发热部11主要用于在通电后发热对烟液进行加热雾化。
其中，发热体10包括发热部11、分别连接在发热部11两端的两个电极部12。电极部12主要作为正负极外接电源，发热部11主要用于在通电后发热对烟液进行加热雾化。导液支撑管30上设有至少一个与发热部11对应的出液孔31。烟液可以从导液支撑管30的相对两个端口进入，由出液孔31出来后经过导液棉20传导至发热部11以进行加热雾化。
本实施例中，发热体10由发热丝制成。导液支撑管30的长度大于发热部11的长度，撑大导液棉20使其外径增大以与发热部11的内表面充分接触，同时还提高导液棉20的结构强度，进而提高整个雾化单元的结构强度，利于在电子烟中的组装固定。
导液支撑管30上出液孔31的设置，根据需要设置进液孔，发热体10、导液支撑管30与导液棉20的具体设置等参考上述第一和第二实施例，在此不再赘述。
进一步地，本实施例与上述第一、第二实施例不同的是：导液支撑管30的长度大于导液棉20的长度。导液支撑管30的至少一端轴向延伸并伸出导液棉20的端面，使得导液支撑管30的端口处于导液棉20外，有助于导进烟液，烟液再通过导液支撑管30上的出液孔31被导液棉20吸附，最后传导至发热部11以进行加热雾化。
另外，导液支撑管30伸出导液棉20外的端部34还方便固定件等与其配合，将整个雾化单元进行固定等。
如图7所示，在本发明第五实施例的导液棉雾化单元中，根据需要，将导液支撑管30伸出导液棉20的端部34扩口设置，形成扩口状，这样烟液可以更顺畅的进入导液支撑管30。
如图8、9所示，本发明第六实施例的导液棉雾化单元，包括发热体10、导液棉20以及导液支撑管30。导液棉20轴向穿设在发热体10内；导液支撑管30平行导液棉20的轴向并穿设在导液棉20内，撑大导液棉20使其与发热体10充分接触。发热体10在通电发热后，将与其接触的导液棉20上吸附的烟液加热雾化形成烟雾。
其中，发热体10包括发热部11、分别连接在发热部11两端的两个电极部12。电极部12主要作为正负极外接电源，发热部11主要用于在通电后发热对烟液进行加热雾化。导液支撑管30上设有至少一个与发热部11对应的出液孔31。进入导液支撑管30的烟液可以从出液孔31出来后经过导液棉20传导至发热部11以进行加热雾化。
本实施例中，发热体10为发热管，发热管的中段通过镂空设置形成发热部11，发热管的相对两端分别形成两个电极部12。发热部11的镂空设置，使得其可以形成多个发热环依次连接的结构，如图8中所示结构；发热部11还可以是分布多个通孔的镂空状等等。
导液棉20的外径小于发热体10的内径，这样导液棉20可以轻松完整地穿进发热体10且不会导致发热体10变形。
导液棉20的长度大于发热管的长度，导液棉20的相对两端分别伸出电极部12外，便于吸附烟液。导液支撑管30穿设在导液棉20中，撑大导液棉20使其外径增大以与发热部11的内表面充分接触，同时还提高导液棉20的结构强度，进而提高整个雾化芯的结构强度，更利于在电子烟中的组装固定。其中，导液支撑管30的长度大于发热部11的长度，也可以大于整个发热管的长度。
进一步地，本实施例中的导液支撑管30，结构形式可参考上述第一至第五中的导液支撑管30，在此不再赘述。
第一实施例中的支撑杆，整体长度小于导液棉20的长度，埋设在导液棉20内，一端设置尖头部利于穿插进入导液棉20。还可参考第二实施例中的支撑杆，至少一端伸出导液棉20的端部并折弯形成定位部，有效防止支撑杆从导液棉20中脱出。
如图10所示，本发明第七实施例的导液棉雾化单元，不同于上述的第六实施例，其包括多根导液支撑管30。多根导液支撑管30在轴向上相平行设置并穿设在导液棉20内，
如图11所示，本发明第八实施例的导液棉雾化单元，包括发热体10、导液棉20以及导液支撑管30。导液棉20轴向穿设在发热体10内；导液支撑管30平行导液棉20的轴向并穿设在导液棉20内，撑大导液棉20使其与发热体10充分接触。发热体10在通电发热后，将与其接触的导液棉20上吸附的烟液加热雾化形成烟雾。
其中，发热体10包括发热部11、分别连接在发热部11两端的两个电极部12。电极部12主要作为正负极外接电源，发热部11主要用于在通电后发热对烟液进行加热雾化。
发热体10可以是发热丝制成的螺旋结构，也可以是发热管，具体可参考上述第一实施例或第七实施例相关所述。
本实施例中，导液棉20的外径大于发热体10的内径。为了使导液棉20可以轻松完整地穿进发热体10且不会导致发热体10变形，导液棉20内设有轴向延伸并贯穿其相对两端的通道21。通道21的设置给导液棉20提供足够的压缩空间，使其可以压缩进入发热体10。
导液支撑管30穿设在导液棉20的通道21中，对压缩后的导液棉20进行适当的撑大，使其与发热体10的内表面充分接触，确保发热体10各部烟液的持续传导以进行加热雾化。
本发明的导液棉雾化单元应用于电子烟等产品中，使用寿命长，提高雾化效果及用户体验效果。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种导液棉雾化单元，其特征在于，包括发热体（10）、导液棉（20）以及至少一根导液支撑管（30）；所述导液棉（20）轴向穿设在所述发热体（10）内，所述导液支撑管（30）平行所述导液棉（20）的轴向并穿设在所述导液棉（20）内；
    所述发热体（10）包括发热部（11）、分别连接在所述发热部（11）两端的两个电极部（12）；所述导液支撑管（30）上设有至少一个与所述发热部（11）对应的出液孔（31）。
  2. 根据权利要求1所述的导液棉雾化单元，其特征在于，所述导液支撑管（30）的长度大于所述发热部（11）的长度。
  3. 根据权利要求1所述的导液棉雾化单元，其特征在于，所述导液支撑管（30）的至少一端上设有至少一个进液孔（32）。
  4. 根据权利要求1所述的导液棉雾化单元，其特征在于，所述导液支撑管的至少一端的端面经斜面设置形成尖头结构（33）。
  5. 根据权利要求1所述的导液棉雾化单元，其特征在于，所述导液支撑管（30）的至少一端轴向延伸并伸出所述导液棉（20）的端面。
  6. 根据权利要求5所述的导液棉雾化单元，其特征在于，所述导液支撑管（30）伸出所述导液棉（20）的端部（34）呈扩口状。
  7. 根据权利要求1所述的导液棉雾化单元，其特征在于，所述导液棉（20）的外径小于所述发热体（10）的内径；所述导液支撑管（30）穿设在所述导液棉（20）内，撑大所述导液棉（20）使其与所述发热体（10）充分接触；或者，
    所述导液棉（20）的外径大于所述发热体（10）的内径，且所述导液棉（20）内设有轴向延伸并贯穿其相对两端的通道（21）；所述导液支撑管（30）穿设在所述通道（21）中。
  8. 根据权利要求1-7任一项所述的导液棉雾化单元，其特征在于，所述发热部（11）为发热丝通过螺旋绕覆形成的螺旋状结构；所述发热丝的两端分别形成两个所述电极部（12）。
  9. 根据权利要求1-7任一项所述的导液棉雾化单元，其特征在于，所述发热体（10）为发热管，所述发热管的中段通过镂空设置形成所述发热部（11），所述发热管的相对两端分别形成两个所述电极部（12）。
  10. 根据权利要求9所述的导液棉雾化单元，其特征在于，所述导液棉（20）的长度大于所述发热管的长度，所述导液棉（20）的相对两端分别伸出所述电极部（12）外。
PCT/CN2020/115308 2020-09-15 2020-09-15 导液棉雾化单元 WO2022056672A1 (zh)

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