WO2022083697A1 - 雾化器及电子雾化装置 - Google Patents

雾化器及电子雾化装置 Download PDF

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Publication number
WO2022083697A1
WO2022083697A1 PCT/CN2021/125372 CN2021125372W WO2022083697A1 WO 2022083697 A1 WO2022083697 A1 WO 2022083697A1 CN 2021125372 W CN2021125372 W CN 2021125372W WO 2022083697 A1 WO2022083697 A1 WO 2022083697A1
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WO
WIPO (PCT)
Prior art keywords
liquid
air
porous body
atomizer
channel
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Application number
PCT/CN2021/125372
Other languages
English (en)
French (fr)
Inventor
李富毅
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to US18/033,304 priority Critical patent/US20230389615A1/en
Priority to EP21882112.2A priority patent/EP4233582A4/en
Publication of WO2022083697A1 publication Critical patent/WO2022083697A1/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
    • A24F40/40—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
    • A24F40/48—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
    • 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
    • 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

Definitions

  • the embodiments of the present application relate to the technical field of electronic atomization devices, and in particular, to an atomizer and an electronic atomization device.
  • aerosol-delivering articles for example, so-called electronic atomizing devices. These devices typically contain e-liquid that is heated to atomize it, producing an inhalable vapor or aerosol.
  • the e-liquid may contain nicotine and/or fragrance and/or aerosol-generating substances (eg, glycerin). Except for the fragrance in e-liquid.
  • the known electronic atomization device usually includes a porous ceramic body with a large number of micropores inside, which is used to absorb and conduct the above-mentioned e-liquid, and a heating element is arranged on one surface of the porous ceramic body to heat and atomize the sucked e-liquid.
  • the micropores in the porous body serve as a channel for the e-liquid to infiltrate and flow to the atomizing surface, and on the other hand, they serve as an air exchange channel for supplying air into the oil storage chamber from the outside after the e-liquid is consumed in the oil storage chamber to maintain the air pressure balance in the oil storage chamber.
  • the liquid storage chamber gradually becomes a negative pressure state, thereby preventing the fluid transfer to a certain extent and reducing the e-liquid passing through the porous ceramic body.
  • the microporous channel transmits to the atomizing surface for vaporization.
  • Velocity on the atomized surface When the e-liquid supplied to the heating element is insufficient, the temperature of the heating element will be too high, which will cause the components of the e-liquid to decompose and volatilize to generate harmful substances such as formaldehyde.
  • the embodiment of the present application provides an atomizer, which is configured to atomize a liquid substrate to generate an aerosol; it includes:
  • a porous body comprising a liquid channel running through the porous body along the length direction, and in fluid communication with the liquid storage chamber through the liquid channel to absorb the liquid matrix of the liquid storage chamber;
  • a heating element coupled to the porous body and used to heat at least a portion of the liquid matrix of the porous body to generate an aerosol
  • the support frame for holding the porous body;
  • the support frame is provided with at least one air channel, the air channel has an air inlet end and an air outlet end adjacent to the liquid channel;
  • a flexible sealing element is positioned between the support frame and the porous body; the sealing element is provided with a shielding portion for shielding or sealing the gas outlet, and the shielding portion is configured to respond to the negative pressure in the liquid storage chamber Change and bend or deform to open the air channel for air to enter the liquid channel.
  • the support frame includes a holding cavity in which the porous body is accommodated and held; the at least one air channel extends from the inner surface of the holding cavity to the inner surface of the support frame The outer surface.
  • the shielding portion is configured to be located between the liquid channel and the air channel.
  • the at least one air channel is configured to extend along the length of the porous body.
  • the shielding portion is suspended relative to the rest of the sealing element.
  • an incision or a slit is provided on the shielding part; the incision or the slit is configured to open or expand in response to the change of negative pressure in the liquid storage chamber, thereby opening the air aisle.
  • the porous body includes a liquid suction surface adjacent to the liquid channel for sucking the liquid substrate, and an atomization surface for the release and escape of the aerosol;
  • the atomizer has a mist in airflow communication with the outside air an atomization chamber, at least a part of the atomization chamber is defined by the atomization surface, and the air passage communicates with the outside air through airflow communication with the atomization chamber.
  • the shielding portion is provided with a concave structure to reduce the strength of the shielding portion so that the shielding portion is more likely to be bent or deformed.
  • the sealing element is configured within the retention cavity and wraps around at least a portion of the outer surface of the porous body.
  • the air channel extends in substantially the same direction as the liquid channel, and the air outlet end of the air channel is configured to face the liquid channel.
  • the present application also proposes an electronic atomization device, including an atomization device for atomizing a liquid substrate to generate aerosol, and a power supply assembly for supplying power to the atomization device; the atomization device includes the above-mentioned atomizer.
  • FIG. 1 is a schematic structural diagram of an electronic atomization device provided by an embodiment of the present application.
  • Fig. 2 is the structural representation of one embodiment of the atomizer in Fig. 1;
  • Fig. 3 is the exploded schematic diagram of the atomizer of the embodiment of Fig. 2 from a viewing angle;
  • Fig. 4 is the sectional structure schematic diagram of the atomizer in Fig. 2;
  • FIG. 5 is a schematic structural diagram of another perspective of the flexible silicone sleeve in FIG. 3;
  • Fig. 6 is the structural schematic diagram of the porous body in Fig. 3 from another perspective;
  • Fig. 7 is the schematic diagram of the porous body and the flexible silica gel sleeve assembled in the support frame in Fig. 5;
  • Fig. 8 is the schematic diagram of opening the air pressure balance air hole or channel after the shielding part is bent in Fig. 7;
  • FIG. 9 is a schematic structural diagram of a flexible silicone sleeve provided by another embodiment.
  • the present application proposes an electronic atomization device, as shown in FIG. 1 , which includes an atomizer 100 that stores a liquid substrate and vaporizes it to generate an aerosol, and a power supply assembly 200 that supplies power to the atomizer 100 .
  • the power supply assembly 200 includes a receiving cavity 270 disposed at one end along the length direction for receiving and accommodating at least a part of the atomizer 100 , and at least partially exposed in the receiving cavity
  • the first electrical contact 230 on the surface of 270 is used to form an electrical connection with the atomizer 100 when at least a part of the atomizer 100 is received and accommodated in the power supply assembly 200 to supply power to the atomizer 100 .
  • the end of the atomizer 100 opposite to the power supply assembly 200 in the length direction is provided with a second electrical contact 21 , and when at least a part of the atomizer 100 is received in the receiving cavity 270 , the second electrical contact 21 is in contact with the first electrical contact 230 to form electrical conduction.
  • a sealing member 260 is provided in the power supply assembly 200, and at least a part of the inner space of the power supply assembly 200 is partitioned by the sealing member 260 to form the above receiving cavity 270.
  • the sealing member 260 is configured to extend along the cross-sectional direction of the power supply assembly 200 , and is made of a flexible material, thereby preventing the liquid matrix from seeping into the receiving cavity 270 from the atomizer 100 . Flow to the components such as the controller 220 and the sensor 250 inside the power supply assembly 200 .
  • the power supply assembly 200 further includes a battery cell 210 at the other end away from the receiving cavity 270 in the length direction, for supplying power; and a controller 220 disposed between the battery cell 210 and the receiving cavity, The controller 220 is operable to conduct electrical current between the cells 210 and the first electrical contacts 230 .
  • the power supply assembly 200 includes a sensor 250 for sensing the suction air flow generated during suction through the nozzle cover 20 of the atomizer 100 , and then the controller 220 controls the power supply according to the detection signal of the sensor 250 The core 210 outputs current to the atomizer 100 .
  • the power supply assembly 200 is provided with a charging interface 240 at the other end opposite to the receiving cavity 270 for charging the battery cells 210 after being connected with an external charging device.
  • FIGS. 2 to 4 show a schematic structural diagram of an embodiment of the atomizer 100 in FIG. 1 , including:
  • the main casing 10 as shown in Figures 2 to 3, the main casing 10 is roughly in the shape of a flat cylinder, and of course its interior is a hollow necessary functional device for storing and atomizing the liquid matrix; the main casing 10 has along the The proximal end 110 and the distal end 120 opposite in the length direction; wherein, according to the requirements of common use, the proximal end 110 is configured as one end for the user to inhale the aerosol, and the proximal end 110 is provided with a suction mouth A for the user to inhale ; And the distal end 120 is used as one end that is combined with the power supply assembly 200, and the distal end 120 of the main casing 10 is open, on which a detachable end cover 20 is mounted, and the open structure is used for the main casing 10. Install the necessary functional components inside.
  • the end cap 20 is provided with a second electrical contact 21 for forming a conduction with the first electrical contact 230 of the power supply assembly 200 .
  • the main casing 10 is provided with a liquid storage chamber 12 for storing the liquid substrate, a porous body 30 for sucking the liquid substrate from the liquid storage chamber 12 , and the porous body 30
  • the aspirated liquid substrate is heated and vaporized by the heating element 40 .
  • the main casing 10 is provided with a flue gas transmission pipe 11 arranged in the axial direction, and a space between the outer wall of the flue gas transmission pipe 11 and the inner wall of the main casing 10 is formed.
  • the liquid storage chamber 12 for storing the liquid matrix; the first end of the smoke transmission tube 11 opposite the proximal end 110 communicates with the smoking port A, and the second end opposite the distal end 120 communicates with the aerosol-releasing atomization chamber 80 airflow connected, so that the aerosol generated by the heating element 40 vaporizing the liquid matrix and released to the atomizing chamber 80 is transmitted to the mouth A of the mouthpiece for sucking.
  • the shape of the porous body 30 is configured to be generally but not limited to a block-like structure in the embodiment; according to the preferred design of this embodiment, its It includes an arched shape with a liquid absorbing surface 310 and an atomizing surface 320 that are opposite to each other in the axial direction of the main casing 10, that is, the upper and lower surfaces of the base portion of the porous body 30 in FIG. 3;
  • the surface 310 is opposite to the liquid storage cavity 12, and is in direct or indirect contact with the liquid matrix in the liquid storage cavity 12 to absorb the liquid matrix; the microporous structure in the porous body 30 conducts the liquid matrix to the atomization surface 320.
  • the heated atomization forms an aerosol and releases or escapes from the atomization surface 320 .
  • the moving directions of the liquid matrix and the aerosol in the porous body 30 are both perpendicular to the plane where the atomizing surface 320 is located. The movement of the aerosol and the liquid matrix within the porous body 30 will be smoother, and the manufacturing will be more convenient.
  • the shape of the porous body 30 is in the shape of an arch, and has a first side wall 31 and a second side wall 32 opposite to each other in the thickness direction, and between the first side wall 31 and the second side wall 32
  • the base portion 34 extending between the base portion 34; the upper and lower surfaces of the base portion 34 are respectively configured as a liquid suction surface 310 and an atomization surface 320.
  • the first side wall 31 and the second side wall 32 extend along the width direction, and further define a liquid channel 33 between the first side wall 31 and the second side wall 32, and the liquid suction surface 310 is exposed in the liquid channel 33 This in turn absorbs the liquid matrix.
  • the porous body 30 may be made of hard capillary structures such as porous ceramics, porous glass ceramics, porous glass, and the like.
  • the heating element 40 is preferably formed on the atomizing surface 320 by mixing the conductive raw material powder and printing aids into paste and then sintering after printing, so that all or most of the surfaces thereof are in contact with the atomizing surface 320 . Closely combined, it has the effects of high atomization efficiency, less heat loss, anti-dry burning or greatly reducing dry burning.
  • the heating element 40 can be made of stainless steel, nickel-chromium alloy, iron-chromium-aluminum alloy, metal titanium, and other materials.
  • a flexible sealing element 50 in order to assist in the installation and fixation of the porous body 30 and the sealing of the liquid storage chamber 12 , a flexible sealing element 50 , a rigid support frame 60 and a flexible sealing element are also provided in the main casing 10 70.
  • the flexible sealing element 50 can not only seal the opening of the liquid storage chamber 12 , but also fix the porous body 30 inside the support frame 60 .
  • the flexible sealing element 50 can be a flexible silicone sleeve.
  • the flexible silicone sleeve is generally in the shape of a hollow cylinder, and the interior is hollow for accommodating the porous body 30, and is sleeved on the porous body by tight fitting. 30 away.
  • the rigid support frame 60 holds the porous body 30 covered with the flexible silicone sleeve 50 , and in some embodiments, may comprise an annular shape with an open lower end, and the inner space is used for accommodating and retaining the flexible silicone sleeve 50 and Porous body 30 .
  • the flexible silicone sleeve 50 can seal the gap between the porous body 30 and the support frame 60 to prevent the liquid matrix from seeping out of the gap between them; on the other hand, the flexible silicone sleeve 50 is located in the porous body 30 Between the support frame 60 and the support frame 60, it is advantageous for the porous body 30 to be stably accommodated in the support frame 60 to avoid loosening.
  • the flexible sealing element 70 is disposed at the end of the liquid storage chamber 12 toward the distal end 120 , and its shape is adapted to the cross-section of the inner contour of the main housing 10 , so as to seal the liquid storage chamber 12 and prevent the liquid matrix from passing from the liquid storage chamber 12 . leakage. Further, in order to prevent the shrinkage and deformation of the flexible silicone seat 53 made of flexible material from affecting the tightness of the seal, the above rigid support frame 60 is accommodated in the flexible sealing element 70 to provide support for it.
  • the flexible sealing element 70 is provided with a first liquid guide hole 71 for the circulation of the liquid matrix, and the rigid support frame 60 is correspondingly provided with a second liquid guide hole 61,
  • the flexible silicone sleeve 50 is provided with a third liquid guide hole 51 .
  • the liquid matrix in the liquid storage chamber 12 flows into the liquid channel 33 of the porous body 30 held in the flexible silicone sleeve 50 through the first liquid guiding hole 71 , the second liquid guiding hole 61 and the third liquid guiding hole 51 in sequence , and then absorbed by the liquid absorbing surface 310 , as shown by the arrow R1 in FIG. 4 , and then absorbed and transferred to the atomizing surface 320 for vaporization, and then the generated aerosol will be released to the boundary between the atomizing surface 320 and the end cap 20 inside the atomizing chamber 80.
  • the flexible sealing element 70 is provided with a first insertion hole 72 for the lower end of the flue gas transmission pipe 11 to be inserted into, and the corresponding rigid support frame 60 is provided with a first insertion hole 72 .
  • a first airflow channel 65 is arranged on the side of the rigid support frame 60 opposite to the main casing 10 to communicate the atomization surface 320 with the second insertion hole 62 by air flow.
  • the external air enters into the atomization chamber 80 through the air inlet 23 on the end cover 20 , and then carries the generated aerosol through the first air flow channel 65 After flowing to the second jack 62 , it is output to the flue gas transmission pipe 11 through the first jack 72 .
  • the end cover 20 is further provided with a circumferential sealing ring 25 surrounding the end cover 20 for sealing the gap between the main casing 10 and the end cover 20 .
  • FIG. 3 and FIG. 4 show the structure of the support frame 60 capable of supplying air to the liquid storage chamber 12 through the liquid channel 33 of the porous body 30 ; specifically, the support frame 60
  • An air pressure equalization channel 64 is provided on two opposite side walls along a width direction thereof, and the air pressure equalization channel 64 provides an air channel that can supply air into the liquid channel 33, and the air channel may be formed by passing through the side wall.
  • the air pressure balance channel 64 is configured to extend along the length direction of the porous body, and is opposite to the liquid channel 33 of the porous body 30, that is, the air pressure balance channel 64 is basically the same as the liquid channel 33. extend in the same direction.
  • the support frame 60 is provided with a holding space 66 for accommodating and holding the porous body 30 , and the air pressure balance channel 64 penetrates from the inner wall surface of the holding space 66 to the support frame 60 .
  • the air pressure balance channel 64 has an air inlet end and an air outlet end, the air inlet end is located on the outer wall surface of the support frame 60, and the air outlet end is located on the inner wall surface of the holding space 66, so that when the porous body is accommodated in the holding space 66 , the gas outlet end of the air pressure balance channel 64 is adjacent to the liquid channel 33 .
  • the air pressure equalization channel 64 is configured to face the liquid channel 33 .
  • the end of the flexible silicone sleeve 50 shown in FIG. 5 along the width direction A shielding portion 53 extending in the longitudinal direction of the main casing 10 is provided.
  • the shielding portion 53 can shield or seal the air pressure equalization channel 64 , as shown in FIG. 7 .
  • the negative pressure in the liquid storage chamber 12 gradually increases.
  • the shielding portion 53 will bend or deform in the direction away from the air pressure balance channel 64 . , so as to open the air pressure balance channel 64; as shown in FIG. 8, at this time, the external air can enter the second liquid guide hole 61 through the air pressure balance channel 64 until it reaches the liquid storage cavity 12, at least partially eliminating or alleviating the pressure of the liquid storage cavity 12.
  • the negative pressure keeps the liquid matrix smoothly supplied to the porous body 30 .
  • the specific forms of the air channels provided on the support frame 60 may be various.
  • the air channel includes a groove formed on the inner wall surface of the holding space 66 , one end of the groove extends to the outside of the holding space 66 to facilitate the entry of air into the groove, and the other end of the groove ends at the inner wall surface of the holding space 66 . A position, which is close to the liquid channel on the porous body.
  • the groove can be partially covered by the flexible silicone sleeve 50, wherein the terminal end of the groove is configured as the air outlet end of the air channel, and the terminal end is covered by the shielding part 53 on the flexible silicone sleeve 50, so that the air pressure of the groove can push the shielding The portion 53 is deformed towards the liquid passage so that the terminating end of the groove is in fluid communication with the liquid passage.
  • the shielding portion 53 is suspended in the form of a cantilever. Further in FIG. 5 , the shielding portion 53 is further provided with a concave structure 531 , and the thickness or strength of the shielding portion 53 is reduced by the concave structure 531 , making it easier to bend or deform under negative pressure.
  • FIG. 9 shows a schematic structural diagram of a flexible silicone sleeve 50 a according to another modified embodiment.
  • the portion of the flexible silicone sleeve 50 a corresponding to the port of the air pressure balance channel 64 is in an inwardly recessed structure to form a shield or seal for the air pressure balance channel 64 .
  • the shielding portion 53a is formed with a cut or slit 531a, and when the negative pressure inside the liquid storage chamber 12 increases to exceed the threshold range, the shielding portion 53a is further recessed and deformed to make the cut or slit 531a more open. Open or expand, thereby opening the port of the air pressure equalization channel 64 to allow outside air to enter.
  • the cuts or slits 531a are in the shape of a crossed cruciform.
  • the above incision or slit 531a in FIG. 9 may be formed by mold molding, or may be formed by cutting, scribing, etc.
  • the shielding portion 53a itself is affected by the liquid matrix in the liquid channel 33.
  • the pressure makes the incision or slit 531a closed, and when the negative pressure inside the liquid storage chamber 12 gradually increases and is transmitted to the liquid channel 33 during the suction process, the incision or slit 531a can expand and open, thereby opening the air pressure balance channel 64 Ports let in outside air.
  • the air pressure balance channel 64 is assembled, it is in airflow communication with the atomization chamber 80 through the gap between the support frame 60 and the main casing 10, etc., so as to be blocked in the implementation.
  • the air in the atomization chamber 80 enters the liquid storage chamber 12 through the air pressure balance channel 64 to relieve the negative pressure.
  • the outer surface of the support frame 60 is provided with a number of capillary grooves 65 extending in the circumferential direction. The aerosol condensate in the atomization chamber 80 or in the gas stream can be retained by capillary adsorption.

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Abstract

一种雾化器（100）和电子雾化装置，雾化器（100）包括多孔体（30），多孔体（30）具有沿长度方向贯穿多孔体（30）的液体通道（33）；支撑架（60），用于容纳和保持多孔体（30）；支撑架（60）上设有至少一个空气通道（64），该空气通道（64）具有进气端与出气端并且出气端靠近液体通道（33）；柔性的密封元件（70），定位于支撑架（60）与多孔体（30）之间；密封元件（70）设置有遮挡或密封空气通道（64）的出气端的遮挡部（53），遮挡部（53）被构造成能响应储液腔（12）内的负压变化而弯曲或变形进而打开空气通道（64）以供外部空气进入液体通道（33）。

Description

雾化器及电子雾化装置
相关申请的交叉参考
本申请要求于2020年10月21日提交中国专利局，申请号为202022360789.5，发明名称为“雾化器及电子雾化装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及电子雾化装置技术领域，特别涉及一种雾化器及电子雾化装置。
背景技术
存在有气溶胶提供制品，例如，所谓的电子雾化装置。这些装置通常包含烟油，该烟油被加热以使其发生雾化，从而产生可吸入蒸汽或气溶胶。该烟油可包含尼古丁和/或芳香剂和/或气溶胶生成物质(例如，甘油)。除了烟油中的芳香剂以外。
已知的电子雾化装置通常包括内部具有大量微孔的多孔陶瓷体，用于吸取和传导上述烟油，并在多孔陶瓷体的一表面上设置发热元件，对吸取的烟油进行加热雾化。多孔体内的微孔一方面作为烟油向雾化面浸润流动的通道，另一方面作为储油腔烟油消耗后供空气从外部补充进入储油腔维持储油腔内气压平衡的空气交换通道，使得烟油被加热雾化消耗时会在多孔陶瓷体内产生气泡，而后气泡从吸油面冒出后进入储油腔。
对以上已知的电子雾化装置，当随着内部储液腔的烟油消耗时，储液腔内逐渐变为负压状态，从而一定程度上阻止流体传递使烟油减少通过多孔陶瓷体的微孔通道传递至雾化面上汽化。特别地，已知的电子雾 化装置在连续抽吸使用状态下，储液腔外部的空气难以在短时间内通过多孔陶瓷体的微孔通道进入储液腔内部，从而减缓了烟油传递至雾化面上的速率。当供应至发热元件的烟油不足会导致发热元件温度过高，从而使烟油成分分解挥发生成诸如甲醛等致害的物质。
发明内容
本申请实施例提供一种雾化器，被配置为雾化液体基质生成气溶胶；其包括：
用于存储液体基质的储液腔；
多孔体，包括沿长度方向贯穿所述多孔体的液体通道，并通过所述液体通道与所述储液腔流体连通以吸取所述储液腔的液体基质；
加热元件，结合于所述多孔体上，并用于加热所述多孔体的至少部分液体基质生成气溶胶；
支撑架，用于保持所述多孔体；所述支撑架上设有至少一个空气通道，该空气通道具有进气端与邻近所述液体通道的出气端；
柔性的密封元件，定位于所述支撑架与多孔体之间；所述密封元件设置有遮挡或密封所述出气端的遮挡部，该遮挡部被构造成能响应所述储液腔内的负压变化而弯曲或变形进而打开所述空气通道以供空气进入所述液体通道。
在优选的实施中，所述支撑架包括保持腔，所述多孔体被容纳和保持在所述保持腔内；所述至少一个空气通道由所述保持腔的内表面延伸至所述支撑架的外表面。
在优选的实施中，所述遮挡部被构造成位于所述液体通道与空气通道之间。
在优选的实施中，所述至少一个空气通道被构造成沿所述多孔体的长度方向延伸。
在优选的实施中，所述遮挡部相对密封元件的其它部分是悬挂的。
在优选的实施中，所述遮挡部上设置有切口或狭缝；所述切口或狭缝被构造成能响应所述储液腔内的负压变化而张开或扩大，进而打开所述空气通道。
在优选的实施中，所述多孔体包括毗邻所述液体通道以吸取液体基质的吸液面、以及供气溶胶释放和逸出的雾化面；雾化器内具有与外部空气气流连通的雾化腔室，雾化腔室的至少部分由所述雾化面来界定，所述空气通道通过与雾化腔室气流连通进而与外部空气连通。
在优选的实施中，所述遮挡部上设有凹陷结构，以降低所述遮挡部的强度使所述遮挡部更容易产生形弯曲或变形。
在优选的实施中，所述密封元件被构造成在所述保持腔内并包裹所述多孔体的至少一部分外表面。
在优选的实施中，所述空气通道是沿着与液体通道基本相同的方向延伸的，所述空气通道的出气端构造成朝向所述液体通道。
本申请还提出一种电子雾化装置，包括雾化液体基质生成气溶胶的雾化装置、以及为所述雾化装置供电的电源组件；所述雾化装置包括以上所述的雾化器。
附图说明
一个或多个实施例中通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件/模块和步骤表示为类似的元件/模块和步骤，除非有特别申明，附图中的图不构成比例限制。
图1是本申请一实施例提供的电子雾化装置的结构示意图；
图2是图1中雾化器一个实施例的结构示意图；
图3是图2实施例的雾化器一个视角的分解示意图；
图4是图2中雾化器的剖面结构示意图；
图5是图3中柔性硅胶套又一个视角的结构示意图；
图6是图3中多孔体又一个视角的结构示意图；
图7是图5中多孔体和柔性硅胶套装配在支撑架内的示意图；
图8是图7中遮挡部分弯曲后打开气压平衡气孔或通道的示意图；
图9是又一个实施例提供的柔性硅胶套的结构示意图。
具体实施方式
为了便于理解本申请，下面结合附图和具体实施方式，对本申请进行更详细的说明。
本申请提出一种电子雾化装置，可以参见图1所示，包括存储有液体基质并对其进行汽化生成气溶胶的雾化器100、以及为雾化器100供电的电源组件200。
在一个可选的实施中，比如图1所示，电源组件200包括设置于沿长度方向的一端、用于接收和容纳雾化器100的至少一部分的接收腔270，以及至少部分裸露在接收腔270表面的第一电触头230，用于当雾化器100的至少一部分接收和容纳在电源组件200内时与雾化器100的形成电连接进而为雾化器100供电。
根据图1所示的优选实施，雾化器100沿长度方向与电源组件200相对的端部上设置有第二电触头21，进而当雾化器100的至少一部分接收于接收腔270内时，第二电触头21通过与第一电触头230接触抵靠进而形成导电。
电源组件200内设置有密封件260，并通过该密封件260将电源组 件200的内部空间的至少一部分分隔形成以上接收腔270。在图1所示的优选实施中，该密封件260被构造成沿电源组件200的横截面方向延伸，并且是采用具有柔性材质制备，进而阻止由雾化器100渗流至接收腔270的液体基质流向电源组件200内部的控制器220、传感器250等部件。
在图1所示的优选实施中，电源组件200还包括沿长度方向背离接收腔270的另一端的电芯210，用于供电；以及设置于电芯210与容纳腔之间的控制器220，该控制器220可操作地在电芯210与第一电触头230之间引导电流。
在使用中电源组件200包括有传感器250，用于感测用于通过雾化器100的吸嘴盖20进行抽吸时产生的抽吸气流，进而控制器220根据该传感器250的检测信号控制电芯210向雾化器100输出电流。
进一步在图1所示的优选实施中，电源组件200在于接收腔270相背的另一端设置有充电接口240，用于通过与外部的充电设备连接之后对电芯210充电。
图2至图4的实施例示出了图1中雾化器100一个实施例的结构示意图，包括：
主壳体10；根据图2至图3所示，该主壳体10大致呈扁形的筒状，当然其内部是中空用于存储和雾化液体基质的必要功能器件；主壳体10具有沿长度方向相对的近端110和远端120；其中，根据通常使用的需求，近端110被配置为作为用户吸食气溶胶的一端，在近端110设置有用于供用户抽吸的吸嘴口A；而远端120被作为与电源组件200进行结合的一端，且主壳体10的远端120为敞口，其上安装有可以拆卸的端盖20，敞口结构用于向主壳体10内部安装各必要功能部件。
进一步在图2所示的实施中，在端盖20上设置有用于与电源组件 200的第一电触头230形成的导通的第二电触头21。
进一步参见图3和图4所示，主壳体10的内部设置有用于存储液体基质的储液腔12，以及用于从储液腔12中吸取液体基质的多孔体30、以及对多孔体30吸取的液体基质进行加热汽化的加热元件40。具体，在图4所示的剖面结构示意图中，主壳体10内设有沿轴向设置的烟气传输管11，该烟气传输管11的外壁与主壳体10内壁之间的空间形成用于存储液体基质的储液腔12；该烟气传输管11相对近端110的第一端与吸烟口A连通、相对远端120的第二端与释放气溶胶的雾化腔室80气流连接，从而将加热元件40汽化液体基质生成并释放至雾化腔室80的气溶胶传输至吸嘴口A处吸食。
参见图3、图4和图6所示的多孔体30的结构，该多孔体30的形状被构造成在实施例中可大致呈但不限于块状结构；根据本实施例的优选设计，其包括呈拱形形状，具有沿主壳体10的轴向方向相背的吸液面310和雾化面320，即为图3中多孔体30的基部部分的上、下表面；其中，吸液面310与储液腔12相对，通过直接或间接与储液腔12中的液体基质相接触，从而吸取液体基质；多孔体30内部所具有的微孔结构再将液体基质传导至雾化面320受热雾化形成气溶胶，并从雾化面320释放或逸出。在图4所示的多孔体30结构上，由于吸液面310与雾化面320相互平行，液体基质和气溶胶在多孔体30中的移动方向均与雾化面320所在的平面相垂直。气溶胶和液体基质在多孔体30内的移动将更加流畅，且制造比较方便。
进一步参见图6所示，多孔体30的形状呈拱形形状，并具有沿厚度方向相对的第一侧壁31和第二侧壁32、以及在第一侧壁31和第二侧壁32之间延伸的基座部分34；该基座部分34的上下表面分别被配置为吸液面310和雾化面320。并且第一侧壁31和第二侧壁32是沿宽度方 向延伸的，进而在第一侧壁31和第二侧壁32之间界定液体通道33，吸液面310裸露在该液体通道33内进而吸液液体基质。
在一些实施方式中，多孔体30可由多孔陶瓷、多孔玻璃陶瓷、多孔玻璃等硬质毛细结构制成。加热元件40优选采用通过具有导电性的原材料粉末与印刷助剂混合成浆料后于印刷后烧结的方式形成在雾化面320上，从而使其全部或绝大部分表面都与雾化面320紧密结合，具有雾化效率高、热量损失少、防干烧或大大的减少干烧等效果。该加热元件40在一些实施例中可采用不锈钢、镍铬合金、铁铬铝合金、金属钛等材质。
进一步参见图3至图4，为了辅助对多孔体30的安装固定、以及对储液腔12进行密封，在主壳体10内还设有柔性的密封元件50、刚性支撑架60和柔性密封元件70。柔性的密封元件50既能够对储液腔12的敞口进行密封，还能够将多孔体30固定保持在支撑架60的内部。在具体结构和形状上，柔性的密封元件50可以是一个柔性硅胶套，柔性硅胶套大体上呈中空的筒状，内部中空用于容纳多孔体30，并通过紧配的方式套设在多孔体30外。
刚性支撑架60则对套设有柔性硅胶套50的多孔体30进行保持，在一些实施例中可包括大致呈下端为敞口的环状形状，内部空间用于容纳并保持柔性硅胶套50和多孔体30。柔性硅胶套50一方面可以在多孔体30与支撑架60之间对它们之间的缝隙进行密封，阻止液体基质从它们之间的缝隙渗出；另一方面，柔性硅胶套50位于多孔体30与支撑架60之间，对于多孔体30被稳定容纳在支撑架60内而避免松脱是有利的。
柔性密封元件70设置于储液腔12朝远端120的端部，且其外形与主壳体10内轮廓的横截面适配，从而对储液腔12实现密封防止液体基质从储液腔12漏出。进一步为了防止柔性材质的柔性硅胶座53的收缩 变形影响密封的紧密型，则通过以上刚性支撑架60容纳在柔性密封元件70内对其提供支撑。
在安装之后，为了保证液体基质的顺畅传递和气溶胶的输出，柔性密封元件70上设置有供液体基质流通的第一导液孔71、刚性支撑架60上对应设置有第二导液孔61，柔性硅胶套50上设置有第三导液孔51。在使用中储液腔12内的液体基质依次经第一导液孔71、第二导液孔61和第三导液孔51流向保持于柔性硅胶套50内的多孔体30的液体通道33内，而后被吸液面310吸收，如图4中箭头R1所示，进而被吸收后传递至雾化面320上汽化，而后生成的气溶胶会释放至雾化面320与端盖20之间界定的雾化腔室80内。
在抽吸过程中气溶胶的输出结构上，参见图3至图6，柔性密封元件70上设置有供烟气传输管11下端插接的第一插孔72，对应刚性支撑架60上设置有第二插孔62，刚性支撑架60上与主壳体10相对的一侧设置有将雾化面320与第二插孔62气流连通的第一气流通道65。在安装之后，完整的抽吸气流参见图3中箭头R2所示，外部空气经由端盖20上的进气口23进入至雾化腔室80，而后携带生成的气溶胶由第一气流通道65流向第二插孔62后，经第一插孔72向烟气传输管11输出。
在图3和图4所示的优选实施中，端盖20上还设置有围绕端盖20的周向的密封圈25，用于对主壳体10与端盖20之间的缝隙进行密封。
配合图6的多孔体30的形状，图3和图4中示出了能够通过多孔体30的液体通道33向储液腔12内补充空气的支撑架60的结构；具体来说，支撑架60沿其一宽度方向的相对两个侧壁上都设置有气压平衡通道64，气压平衡通道64提供了一个能够供空气进入液体通道33的空气通道，该空气通道可以是由贯穿于该侧壁上的孔洞来构成；该气压平衡通道64被构造成是沿着多孔体摆放的长度方向延伸的，并是与多孔 体30的液体通道33是相对的，即气压平衡通道64与液体通道33基本是沿着相同的方向延伸的。
具体在实施中，参见图3及图4所示的示例，支撑架60内设置有容纳和保持多孔体30的保持空间66，气压平衡通道64是由保持空间66的内壁表面贯穿至支撑架60的外壁表面的，气压平衡通道64具有进气端与出气端，进气端位于支撑架60的外壁表面，出气端位于保持空间66的内壁表面，这样当多孔体收容在保持空间66中的时候，气压平衡通道64的出气端是邻近液体通道33的。在图4所示的示例中，气压平衡通道64构造成是朝向液体通道33的。
同时，为了防止气压平衡通道64直接与多孔体30的液体通道33连通，从而使传递中的液体基质从气压平衡通道64渗漏出；图5所示的柔性硅胶套50沿宽度方向的端部设置有沿主壳体10的长度方向延伸的遮挡部分53。当柔性硅胶套50包裹在多孔体30后再容纳至支撑架60内时，遮挡部分53可以遮挡或密封气压平衡通道64，如图7所示。
当随着储液腔12内的液体基质逐渐消耗，储液腔12内负压逐渐增大，当负压超过一定的阈值后，则遮挡部分53会沿背离气压平衡通道64的方向弯曲或变形，从而打开气压平衡通道64；如图8所示，此时则外部空气能通过气压平衡通道64进入至第二导液孔61直至储液腔12内，至少部分消除或者缓解储液腔12的负压，保持液体基质顺畅供应至多孔体30。
在其它可行的实施中，设置在支撑架60上的空气通道的具体形式可以是多样化的。例如空气通道包括开设在保持空间66的内壁表面上的凹槽，凹槽的一端延伸至保持空间66外部以利于空气能够进去凹槽中，凹槽的另一端终止于保持空间66的内壁表面的某个位置，该位置是靠近多孔体上的液体通道的。该凹槽可以被柔性硅胶套50部分覆盖， 其中凹槽的终止端构造成空气通道的出气端，该终止端被柔性硅胶套50上的遮挡部分53所覆盖，这样凹槽的气压能够推动遮挡部分53朝向液体通道形变，从而使凹槽的终止端与液体通道形成流体连通。
在图5中所示的优选实施中，遮挡部分53是呈悬臂的形式悬挂设置的。进一步在图5中，遮挡部分53上还设置有凹陷结构531，通过凹陷结构531减低遮挡部分53的厚度或强度，使其更加易于在负压下产生弯曲或变形。
图9示出了又一个变化实施例的柔性硅胶套50a的结构示意图，柔性硅胶套50a上对应气压平衡通道64端口的部分，呈向内凹陷的构造从而形成对气压平衡通道64遮挡或密封的遮挡部分53a。并且该遮挡部分53a上形成有切口或狭缝531a，进而在当储液腔12内部负压增大到超过阈值范围时，遮挡部分53a进一步向内凹陷和变形从而使切口或狭缝531a更加张开或扩大，进而打开气压平衡通道64端口使外部空气进入。
进一步在优选的实施中，切口或狭缝531a是呈交叉的十字型的。
以上图9中的切口或狭缝531a可以是由模具成型中形成的，也可以是由切割、划刻等方式形成的，在非抽吸状态遮挡部分53a自身受液体通道33内的液体基质的压力使切口或狭缝531a闭合的，当抽吸的过程中储液腔12内部的负压逐渐增大并传递至液体通道33时切口或狭缝531a能扩大张开，进而打开气压平衡通道64端口使外部空气进入。
进一步根据图7和图8所示，气压平衡通道64在装配之后，是通过支撑架60与主壳体10之间的缝隙等进而与雾化腔室80气流连通的，从而在实施中当遮挡部分53弯曲或变形打开气压平衡通道64时，雾化腔室80的空气通过气压平衡通道64进入储液腔12内缓解负压。在优选的实施中，支撑架60的外表面上设置有若干沿周向延伸的毛细槽65， 毛细槽65一方面可以提供气压平衡通道64与雾化腔室80气流连通的途径、另一方面可以对雾化腔室80内或气流中的气溶胶冷凝液通过毛细吸附的方式进行保持。
需要说明的是，本申请的说明书及其附图中给出了本申请的较佳的实施例，但并不限于本说明书所描述的实施例，进一步地，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本申请所附权利要求的保护范围。

Claims (11)

  1. 一种雾化器，其特征在于包括：
    用于存储液体基质的储液腔；
    多孔体，包括沿长度方向贯穿所述多孔体的液体通道，并通过所述液体通道与所述储液腔流体连通以吸取所述储液腔的液体基质；
    加热元件，结合于所述多孔体上，并用于加热所述多孔体的至少部分液体基质生成气溶胶；
    支撑架，用于保持所述多孔体；所述支撑架上设有至少一个空气通道，该空气通道具有进气端与邻近所述液体通道的出气端；
    柔性的密封元件，定位于所述支撑架与多孔体之间；所述密封元件设置有遮挡或密封所述出气端的遮挡部，该遮挡部被构造成能响应所述储液腔内的负压变化而弯曲或变形进而打开所述空气通道以供空气进入所述液体通道。
  2. 如权利要求1所述的雾化器，其特征在于，所述支撑架包括保持腔，所述多孔体被容纳和保持在所述保持腔内；
    所述至少一个空气通道由所述保持腔的内表面延伸至所述支撑架的外表面。
  3. 如权利要求1或2所述的雾化器，其特征在于，所述遮挡部被构造成位于所述液体通道与空气通道之间。
  4. 如权利要求1或2所述的雾化器，其特征在于，所述至少一个空气通道被构造成沿所述多孔体的长度方向延伸。
  5. 如权利要求1或2所述的雾化器，其特征在于，所述遮挡部相对密封元件的其它部分是悬挂的。
  6. 如权利要求1或2所述的雾化器，其特征在于，所述遮挡部上设置有切口或狭缝；所述切口或狭缝被构造成能响应所述储液腔内的负压变化而张开或扩大，进而打开所述空气通道。
  7. 如权利要求1或2所述的雾化器，其特征在于，所述遮挡部上设有凹陷结构，以降低所述遮挡部的强度使所述遮挡部更容易产生形弯曲或变形。
  8. 如权利要求1或2所述的雾化器，其特征在于，所述多孔体包括毗邻所述液体通道以吸取液体基质的吸液面、以及供气溶胶释放和逸出的雾化面；
    所述雾化器具有与外部空气气流连通的雾化腔室，所述雾化腔室的至少部分由所述雾化面来界定，所述空气通道通过与雾化腔室气流连通进而与外部空气连通。
  9. 如权利要求2所述的雾化器，其特征在于，所述密封元件被构造成在所述保持腔内并包裹所述多孔体的至少一部分外表面。
  10. 如权利要求1或2所述的雾化器，其特征在于，所述空气通道的出气端构造成朝向所述液体通道。
  11. 一种电子雾化装置，包括雾化液体基质生成气溶胶的雾化器、以及为所述雾化器供电的电源组件；其特征在于，所述雾化器包括权利要求1至10任一项所述的雾化器。
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