WO2023283961A1 - Appareil d'atomisation électronique, et atomiseur et ensemble d'atomisation associés - Google Patents

Appareil d'atomisation électronique, et atomiseur et ensemble d'atomisation associés Download PDF

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Publication number
WO2023283961A1
WO2023283961A1 PCT/CN2021/106932 CN2021106932W WO2023283961A1 WO 2023283961 A1 WO2023283961 A1 WO 2023283961A1 CN 2021106932 W CN2021106932 W CN 2021106932W WO 2023283961 A1 WO2023283961 A1 WO 2023283961A1
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WO
WIPO (PCT)
Prior art keywords
liquid
heating
atomization
hole
seat
Prior art date
Application number
PCT/CN2021/106932
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English (en)
Chinese (zh)
Inventor
廖彩威
汪新宇
Original Assignee
深圳麦克韦尔科技有限公司
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Publication date
Application filed by 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Priority to PCT/CN2021/106932 priority Critical patent/WO2023283961A1/fr
Publication of WO2023283961A1 publication Critical patent/WO2023283961A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present invention relates to the field of atomization, and more specifically, relates to an electronic atomization device, an atomizer, and an atomization assembly.
  • the electronic atomization device in the prior art is mainly composed of an atomizer and a power supply device.
  • the power supply device is used to supply power to the atomizer, and the atomizer can heat and atomize the liquid atomized base stored in the atomizer after being powered on, and generate atomized gas for the user to inhale.
  • the atomizer generally includes a heating component and an atomizing seat component for installing the heating component.
  • the atomizing seat assembly is usually composed of multiple components, which is costly and complicated to assemble.
  • the technical problem to be solved by the present invention is to provide an improved atomization assembly, an atomizer and an electronic atomization device having the atomization assembly in view of the above-mentioned defects of the prior art.
  • the technical solution adopted by the present invention to solve the technical problem is to construct an atomization assembly, including a hard base, a soft heating seat sleeved on the base, and a The heating component between them; the heating component is at least partly accommodated in the heating seat, the heating component includes a liquid absorbing body and a heating body arranged on the absorbing liquid, and an atomizing hole is formed through the absorbing liquid, so An air outlet communicating with the atomizing hole is formed on the heating seat.
  • the atomization hole runs through the absorbing liquid in the longitudinal direction, and the heating element is arranged on the hole wall of the atomization hole.
  • the base is a plastic base
  • the heating base is a silicone base
  • a heating cavity for accommodating the heating component and at least one liquid inlet hole communicating with the heating cavity are formed on the heating seat.
  • At least one liquid guiding structure communicating with the at least one liquid inlet hole is provided on the wall of the heating chamber, so as to guide the liquid atomized substrate flowing in from the at least one liquid inlet hole to The absorbent.
  • each of the liquid guiding structures includes at least one first liquid guiding groove, and the first liquid guiding groove extends along the circumferential direction of the heating chamber.
  • each of the liquid guiding structures includes at least two first liquid guiding grooves, and the at least two first liquid guiding grooves are arranged in parallel.
  • each of the liquid guiding structures further includes at least one second liquid guiding groove communicating with the at least two first liquid guiding grooves.
  • a first sealing portion and a second sealing portion are respectively formed at both longitudinal ends of the heating cavity, and the first sealing portion and the second sealing portion are respectively connected to the longitudinal ends of the heating component. Outer peripheral surface sealing fit.
  • a support portion protrudes from the upper end surface of the base, and the support portion is embedded in the heating seat.
  • the supporting part is ring-shaped and surrounds the lower end of the heating component.
  • the base is provided with at least one air intake hole; the base has a support end surface for supporting the heating seat, and the support end surface is provided with at least one ventilation slot, and the at least one The ventilation slot communicates with the at least one air intake hole and communicates with the suction liquid guide.
  • a ventilation hole is formed on the heating seat to communicate the at least one ventilation slot with the outside world.
  • the heating component further includes two electrical conductors; the two electrical conductors are arranged on the lower end surface of the liquid absorption and are respectively electrically connected to the two poles of the heating element.
  • the atomization assembly further includes two electrode posts pierced through the base, and the two electrode posts are respectively connected and conducted with the two electrical conductors.
  • the distance between the central axes of the two electrode columns is greater than the central diameter of the absorbing liquid.
  • the present invention also provides an atomizer, comprising a casing and the atomization assembly as described in any one of the above-mentioned casings; a liquid storage cavity and an air outlet channel are formed in the casing, and the atomization The hole is in communication with the air outlet channel, and the suction liquid is in fluid communication with the liquid storage cavity.
  • the lower end of the air outlet channel is inserted into the heating seat and sealingly fits with the inner wall of the heating seat.
  • the present invention also provides an electronic atomization device, including the atomizer described in any one of the above items.
  • the soft heating seat can be used not only as a seal, but also as a structural support to support the heating component, which can reduce the number of components of the atomization component, and has a simple and reliable structure, simple assembly, and facilitates automated production .
  • Fig. 1 is a schematic diagram of the three-dimensional structure of the atomizer in the first embodiment of the present invention
  • Fig. 2 is a schematic cross-sectional structure diagram of the atomizer shown in Fig. 1;
  • Fig. 3 is a three-dimensional structural schematic diagram of the housing in Fig. 1;
  • Fig. 4 is a schematic diagram of the three-dimensional structure of the atomization assembly in Fig. 1;
  • Fig. 5 is a schematic diagram of an exploded structure of the atomization assembly shown in Fig. 4;
  • Fig. 6 is a schematic cross-sectional structure diagram of the atomization assembly shown in Fig. 4;
  • Fig. 7 is a schematic cross-sectional structure diagram of the heating seat in Fig. 4;
  • Fig. 8 is a schematic diagram of the three-dimensional structure of the base in Fig. 4;
  • Fig. 9 is a schematic cross-sectional structural view of the atomization assembly in the second embodiment of the present invention.
  • Fig. 10 is a schematic cross-sectional structure diagram of the heating seat in Fig. 9;
  • Fig. 11 is a schematic perspective view of the three-dimensional structure of the atomization assembly in the third embodiment of the present invention.
  • Fig. 12 is a schematic cross-sectional structural view of the atomization assembly shown in Fig. 11;
  • Fig. 13 is a schematic perspective view of the three-dimensional structure of the atomization assembly in the fourth embodiment of the present invention.
  • Fig. 14 is a schematic cross-sectional structural view of the atomization assembly shown in Fig. 13;
  • Fig. 15 is a schematic diagram of an exploded structure of the atomization assembly shown in Fig. 13;
  • Fig. 16 is a schematic perspective view of the three-dimensional structure of the electronic atomization device in some embodiments of the present invention.
  • first”, “second”, “third” and so on are only for the convenience of describing the technical solution, and cannot be interpreted as indicating or implying the relative importance or implicitly specifying the quantity of the indicated technical features. Therefore, A feature defined with “first”, “second”, “third”, etc. may expressly or implicitly include one or more of that feature. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
  • FIGS. 1-8 show an atomizer 100 in the first embodiment of the present invention.
  • the atomizer 100 may be approximately elliptical and cylindrical and includes a housing 10 and an atomizing assembly 20 disposed in the housing 10 .
  • a liquid storage cavity 110 for storing a liquid atomized substance and an air outlet channel 120 for exporting atomized gas are formed in the casing 10 .
  • the atomizing component 20 heats and atomizes the atomizing base to generate atomized gas, and the atomized gas is output through the air outlet channel 120 for the user to inhale.
  • the atomizer 100 is not limited to be in the form of an elliptical column, and it can also be in other shapes such as a column, a square column, a flat column, and the like.
  • the casing 10 may include a cylindrical shell 11 and an air outlet pipe 12 longitudinally disposed in the shell 11 .
  • An annular liquid storage chamber 110 is defined between the inner wall of the casing 11 and the outer wall of the air outlet pipe 12
  • an air outlet channel 120 is defined by the inner wall of the air outlet pipe 12 .
  • the casing 11 and the air outlet pipe 12 can be integrally formed, and the air outlet pipe 12 can be integrally formed by extending downward from the inner side of the top wall of the casing 11 .
  • the housing 11 and the outlet pipe 12 can be integrally formed by injection molding.
  • the shell 11 and the air outlet pipe 12 can also be manufactured separately and then assembled together.
  • the air outlet pipe 12 can be inserted into the atomization assembly 20 .
  • the air outlet pipe 12 may include a first pipe section 121 connected to the inside of the top wall of the casing 11 and a second pipe section 122 extending downward from the lower end of the first pipe section 121 .
  • the second tube section 122 is inserted into the atomization assembly 20 .
  • the outer surface of the second pipe section 122 can form a guiding structure that facilitates insertion into the atomization assembly 20 .
  • the outer surface of the second pipe section 122 is in the shape of a cone whose outer diameter decreases sequentially from top to bottom, and the conical outer surface forms the guiding structure of the second pipe section 122 .
  • the first tube section 121 can be in the shape of a circular tube, and the outer surface of the first tube section 121 can extend outward to form at least one rib 123 , the lower end surface of the at least one rib 123 is against the upper end surface of the atomization assembly 20 , the structure
  • the abutting contact area between the air outlet pipe 12 and the atomizing assembly 20 can be increased, and at the same time, more liquid storage space can be ensured in the liquid storage cavity 110 .
  • there are four ribs 123 and the four ribs 123 are evenly spaced along the circumferential direction of the first pipe section 121 .
  • the atomization assembly 20 is embedded in the lower opening of the housing 11, which may include a hard base 21, a soft heating seat 23 arranged on the base 21, and a heating assembly 22 arranged between the base 21 and the heating seat 23 .
  • the heating component 22 is at least partly accommodated in the heating seat 23, so that the heating seat 23 can be used as a seal, and can also be used as a structural support to support the heating component 22, which can reduce the number of components of the atomization component 20, and the structure is simple and reliable. It is simple, conducive to automated production, and can also save a lot of equipment needed in automated production, such as assembly equipment, testing equipment, etc., which greatly saves costs.
  • the heating component 22 may include a liquid absorption 221 and a heating body 222 disposed on the liquid absorption 221 .
  • the suction liquid 221 is in liquid communication with the liquid storage chamber 110 and can absorb the liquid atomized substrate in the liquid storage chamber 110 .
  • the absorbent 221 may be a porous ceramic absorbent. Of course, it can be understood that in other embodiments, the absorbent 221 is not limited to a porous ceramic absorbent.
  • the suction liquid 221 can be in the shape of a hollow tube, and an atomizing hole 220 communicating with the air outlet channel 120 is formed therein along the longitudinal direction.
  • the atomizing hole 220, the liquid suction 221, and the air outlet pipe 12 can all be arranged coaxially.
  • the heating element 222 can be a metal heating sheet and is arranged on the hole wall of the atomizing hole 220, and is used to heat the atomizing substrate on the absorbing liquid 221 to atomize it to form an atomizing gas after electrification. It can be understood that the heating element 222 is not limited to a heating sheet, for example, in other embodiments, it can also be a heating wire or a heating film.
  • the heating component 22 may further include two conductors 223 disposed on the liquid absorbing element 221 and electrically connected to the two poles of the heating element 222 .
  • the two conductors 223 can be disposed on the lower end surface of the liquid absorption 221 , and the two conductors 223 are respectively located on both sides of the atomizing hole 220 in the circumferential direction.
  • a slot 2211 can also be formed radially through the lower surface of the liquid-absorbing liquid 221 , and the two conductors 223 can be located on two opposite sides of the slot 2211 .
  • the slot 2211 separates the two conductors 223 for insulation and isolation, and facilitates the flow of airflow into the atomizing hole 220 .
  • the conductor 223 may include a connection portion 2231 disposed on the lower surface of the liquid absorption 221 and an extension portion 2232 extending from a side of the connection portion 2231 close to the slot 2211 to the atomizing hole 220 .
  • the connecting portion 2231 is used to connect and conduct with the electrode column 24 , and it may be roughly in the shape of a semicircular ring.
  • the inner diameter and the outer diameter of the connection part 2231 can be consistent with the inner diameter and the outer diameter of the absorbing liquid 221 respectively, so as to ensure that the connection part 2231 has a sufficient contact conduction area.
  • the extension part 2232 protrudes into the atomizing hole 220 and is connected to the heating element 222 .
  • the heating seat 23 can be made of soft materials such as silica gel.
  • the soft material may be a material with a hardness less than or equal to 85 degrees Shore A (shore A).
  • the heating seat 23 can also be made of other materials similar to silica gel, such as TPE, TPU and so on.
  • a heating cavity 230 is formed on the heating seat 23 , and at least most of the heating components 22 are accommodated in the heating cavity 230 .
  • a first sealing portion 2301 and a second sealing portion 2302 can be respectively formed at both longitudinal ends of the heating cavity 230 , and the first sealing portion 2301 and the second sealing portion 2302 are sealingly engaged with the outer peripheral surfaces of the longitudinal ends of the liquid absorption 221 respectively.
  • the top and bottom of the cavity wall of the heating cavity 230 can respectively protrude radially inward to form a first sealing portion 2301 and a second sealing portion 2302, which are respectively used to seal against the top of the liquid absorption 221. and bottom seal.
  • Both the first sealing part 2301 and the second sealing part 2302 can be ring-shaped, and are respectively interference fit with the top outer peripheral surface and the bottom outer peripheral surface of the liquid absorption 221, and the sealing performance of the heating seat 23 is improved through the interference fit.
  • At least one liquid inlet hole 2320 is formed on the heating seat 23 to connect the liquid storage chamber 110 with the heating chamber 230 , so as to communicate the suction liquid 221 with the liquid storage chamber 110 .
  • the heating seat 23 may include a first sleeve 231 located at the bottom and a second sleeve 232 located at the top.
  • the cross-sectional shape of the first sleeve body 231 is adapted to the cross-sectional shape of the inner bottom of the housing 11 .
  • the cross-sectional shape of the first sleeve body 231 is roughly oval.
  • the first casing 231 is sheathed on the base 21 and can seal fit with the outer surface of the base 21 .
  • the bottom surface of the first casing 231 is concavely formed with a receiving cavity 2310 for receiving the base 21 .
  • the bottom surface of the receiving cavity 2310 that is, the lower end surface of the first casing 231 , can also be concavely formed with a sealing groove 2313 for the support portion 213 of the base 21 to be embedded.
  • the sealing groove 2313 can be substantially circular and surround the bottom of the liquid absorption 221 to enhance the sealing performance of the second sealing portion 2302 .
  • the first casing 231 is tightly fit between the outer peripheral surface of the base 21 and the inner peripheral surface of the housing 11 , seals the lower open end of the housing 11 and seals the liquid storage chamber 110 .
  • At least one third sealing portion 2311 can protrude outward from the outer peripheral surface of the first casing 231 , and the at least one third sealing portion 2311 is interference-fitted with the inner peripheral surface of the housing 11 to enhance the sealing performance of the heating seat 23 .
  • there are two third sealing parts 2311 and the two third sealing parts 2311 are spaced up and down.
  • a ventilation hole 2312 communicating with the liquid storage cavity 110 and the receiving cavity 2310 is formed on the first casing 231 along the longitudinal direction.
  • the air exchange hole 2312 can be a straight through hole and can be arranged on one side of the long axis of the first sleeve body 231.
  • the asymmetric setting of the air exchange hole 2312 on the first sleeve body 231 can destroy the force of the air bubbles at the air exchange hole 2312.
  • the upper end surface of the air exchange hole 2312 (the end end communicated with the liquid storage chamber 110 ) can protrude from the upper end surface of the first sleeve 231, that is, the upper end surface of the air exchange hole 2312 is higher than the circumference of the air exchange hole 2312.
  • the upper end surface of the first casing 231 makes it easier for air bubbles to escape from the air exchange holes 2312 , preventing air bubbles from clogging the air exchange holes 2312 .
  • ventilation holes 2312 can also be provided on both sides of the first sleeve body 231, and the ventilation holes 2312 on both sides can be arranged symmetrically or asymmetrically, for example, on both sides
  • the cross-sectional areas of the ventilation holes 2312 are different, or the heights of the upper surfaces of the ventilation holes 2312 on both sides are different.
  • the second casing 232 can be formed by extending upward from the upper end of the first casing 231 .
  • the second casing 232 may be in the shape of a circular tube, and the outer diameter of the second casing 232 may be smaller than or equal to the short-axis outer diameter of the first casing 231 .
  • the top surface of the second casing 232 is concavely formed with an air outlet hole 2321 for inserting the air outlet tube 12 , and the air outlet hole 2321 , the heating chamber 230 , and the receiving chamber 2310 are connected sequentially from top to bottom.
  • the second pipe section 122 of the air outlet pipe 12 is inserted into the air outlet hole 2321, the outer peripheral surface of the second pipe section 122 is tightly fitted with the hole wall of the air outlet hole 2321, and the lower end surface of the rib 123 is pressed against the upper end surface of the second sleeve body 232 .
  • the hole wall of the air outlet hole 2321 can extend inward to form at least one fourth sealing portion 2322 to seal the lower end of the air outlet pipe 12 .
  • there are two fourth sealing parts 2322 and the two fourth sealing parts 2322 are arranged at intervals up and down, and are respectively interference-fitted with the outer peripheral surface of the second pipe section 122 .
  • the bottom of the air outlet hole 2321 can also extend inward to form a ring-shaped abutting portion 2323, the lower end surface of the second pipe section 122 can be abutted against the upper end surface of the abutting portion 2323, and the upper end surface of the liquid absorption 221 can be abutted against.
  • the lower end surface of the part 2323 can also extend inward to form a ring-shaped abutting portion 2323, the lower end surface of the second pipe section 122 can be abutted against the upper end surface of the abutting portion 2323, and the upper end surface of the liquid absorption 221 can be abutted against.
  • the lower end surface of the part 2323 can also extend inward to form a ring-shaped abutting portion 2323, the lower end surface of the second pipe section 122 can be abutted against the upper end surface of the abutting portion 2323, and the upper end surface of the liquid absorption 221 can be abutted against.
  • the liquid inlet hole 2320 can be opened on the side wall of the second casing 232 , and can be arranged corresponding to the high temperature area of the liquid absorption 221 .
  • the high temperature area of the absorbing liquid 221 corresponds to the position of the heating element 222 or the position of the dense area of the heating element 222 .
  • the liquid-absorbing liquid 221 in the high-temperature area is closer to the heating element 222, so the temperature rises faster after the heating element 222 heats up.
  • liquid inlet holes 2320 there are two liquid inlet holes 2320 respectively opened on two opposite sides of the second casing 232 , and the lower sides of the liquid inlet holes 2320 can extend downward to the upper surface of the first casing 231 . Understandably, in other embodiments, the number of liquid inlet holes 2320 may also be one or more than two.
  • the cavity wall of the heating chamber 230 can also be provided with at least one liquid guiding structure 233 communicated with the liquid inlet hole 2320, for guiding the liquid atomized substrate flowing in from the liquid inlet hole 2320 to the suction liquid 221 that is not connected to the liquid inlet hole 2320. corresponding part.
  • the at least one liquid guiding structure 233 can be set corresponding to the high temperature area of the absorption liquid 221, so as to quickly guide the liquid atomized substrate into the high temperature area of the absorption liquid 221, so as to avoid dry burning.
  • there are two liquid guiding structures 233 there are two liquid guiding structures 233 , and the two liquid guiding structures 233 and the two liquid inlet holes 2320 are arranged at an angle of approximately 90 degrees.
  • Each liquid guiding structure 233 may include at least one first liquid guiding groove 2331 extending along the circumferential direction of the heating cavity 230 .
  • each liquid guiding structure 233 includes a plurality of first liquid guiding grooves 2331 arranged in parallel. connected on one side.
  • each liquid guiding structure 233 may further include at least one second liquid guiding groove 2332 connected to a plurality of first liquid guiding grooves 2331 , and the second liquid guiding groove 2332 may extend longitudinally.
  • Both the first liquid guiding groove 2331 and the second liquid guiding groove 2332 are composed of thin grooves, and the thin grooves can automatically generate surface tension to realize automatic liquid guiding and produce good liquid guiding ability.
  • first liquid guiding groove 2331 and the second liquid guiding groove 2332 can be formed of capillary grooves capable of generating capillary force, and the liquid guiding effect can be further improved through the capillary force.
  • the distance L between the first liquid guiding groove 2331 , the second liquid guiding groove 2332 and the suction liquid 221 may be less than or equal to 1 mm, preferably less than or equal to 0.6 mm, so as to achieve better liquid guiding.
  • the base 21 is embedded in the bottom of the housing 11, which can be made of hard materials such as plastic.
  • the base 21 may include a seat body 211 and a matching portion 212 extending upward from the seat body 211 .
  • the cross-sectional shape of the seat body 211 is adapted to the cross-sectional shape of the inner bottom of the housing 11 , and in this embodiment, the cross-sectional shape of the seat body 211 is roughly elliptical.
  • the seat body 211 can be inserted into the housing 11 from the bottom open end of the housing 11 to block the bottom opening of the housing 11 .
  • the seat body 211 can be snap-connected with the housing 11 .
  • buckles 2111 may protrude outward from two opposite side walls of the base body 211 , and the base body 211 may be buckled connected with the housing 11 through the buckles 2111 .
  • the outer peripheral surface of the seat body 211 can also be concavely formed with a plurality of grooves 2112 , and the plurality of grooves 2112 are evenly spaced along the outer peripheral surface of the seat body 211 to prevent the base 21 from shrinking during injection molding.
  • At least one air inlet 210 communicating with the outside is formed on the base 21 along the longitudinal direction. In this embodiment, there are two air inlets 210 , and the two air inlets 210 may be distributed on the short axis of the seat body 211 .
  • the two air inlets 210 can be vertically staggered with the atomizing hole 220 to prevent the condensate in the atomizing hole 220 from directly falling into the air inlet 210 to cause liquid leakage.
  • the matching portion 212 is sheathed in the receiving cavity 2310 of the heating seat 23 in a sealing manner, and the outer cross-sectional size of the matching portion 212 is smaller than the outer cross-sectional size of the seat body 211 .
  • the upper end surface of the matching portion 212 forms a supporting end surface 2121 for supporting the heating seat 23 , and at least one liquid storage and ventilation structure 214 is disposed on the supporting end surface 2121 .
  • the liquid storage and ventilation structure 214 may include at least one ventilation slot 2141 communicated with the ventilation hole 2312 and the air intake hole 210 respectively, and at least one liquid storage tank 2142 communicated with the at least one ventilation slot 2141 .
  • the size of the ventilation channel formed by the lower end surface of the heating seat 23 and the ventilation groove 2141 is stable, and the ventilation effect is good and controllable.
  • the ventilation groove 2141 has a first end and a second end oppositely disposed.
  • the first end of the ventilation tank 2141 communicates with the ventilation hole 2312, and then communicates with the liquid storage chamber 110, so that the ventilation tank 2141 has its own liquid storage function, which can store a certain amount of condensate, and dissipate the condensation generated during ventilation.
  • the liquid is introduced into the liquid storage tank 2142.
  • Ventilation groove 2141 can be bent and set, for example, it can be roughly bent into several shapes, S shape, serpentine shape, etc. Liquid leakage and other problems caused by too short air exchange path.
  • the second end of the ventilation groove 2141 communicates with the air inlet 210 and can communicate with the absorbing liquid 221 so that the condensate can flow back to the absorbing liquid 221 to be atomized again.
  • the air exchange groove 2141 can be composed of thin grooves. Further, the air exchange groove 2141 can be composed of a capillary groove capable of generating capillary force, and the liquid can be automatically guided through the capillary force, so that the condensate in the air exchange groove 2141 can flow back to the suction liquid 221 .
  • the distance between the second end of the ventilation groove 2141 and the suction liquid 221 may be less than or equal to 1 mm, preferably less than or equal to 0.6 mm, so as to achieve better liquid conduction.
  • the liquid storage tank 2142 can be arranged close to the second end of the ventilation tank 2141 and communicated with the second end of the ventilation tank 2141, so that the condensate in the liquid storage tank 2142 can quickly flow back to the absorption liquid 221 for re-atomization.
  • the base 21 may further include a support portion 213 extending upward from the support end surface 2121 of the mating portion 212, and the support portion 213 is sealingly embedded in the sealing groove 2313 for supporting the heating seat 23 and improving the heating seat. 23 tightness.
  • the cross-section of the support portion 213 may be roughly annular, and the outer diameter of the support portion 213 is smaller than or equal to the minor axis diameter of the support end surface 2121 .
  • the support part 213 surrounds the two air inlet holes 210 and the two electrode holes 2113, and at least one liquid storage tank 2130 for storing condensate is formed therein.
  • the supporting part 213 surrounds the second sealing part 2302 and is arranged close to the second sealing part 2302 , which can press the second sealing part 2302 inwards to make it close to the liquid absorption 221 to ensure a good sealing performance for the liquid absorption 221 .
  • the longitudinal section shape of the sealing groove 2313 is adapted to the longitudinal section shape of the support portion 213 .
  • the outer diameter of the support portion 213 may decrease sequentially from bottom to top, and the inner diameter may increase sequentially from bottom to top, so as to facilitate insertion into the sealing groove 2313.
  • the longitudinal section of the support portion 213 may be trapezoidal, Inverted V, arc and other shapes.
  • An electrode hole 2113 for inserting the electrode column 24 can also be formed on the base 21 along the longitudinal direction.
  • there are two electrode holes 2113 and the two electrode holes 2113 and the two air inlet holes 210 may be arranged in a cross.
  • the upper end surfaces of the air inlet 210 and the electrode hole 2113 respectively protrude from the bottom surface of the surrounding liquid storage tank 2130 , which can prevent the condensate accumulated in the liquid storage tank 2130 from leaking through the air inlet 210 or the electrode hole 2113 .
  • There are four liquid storage tanks 2130 and one liquid storage tank 2130 is formed between the upper outer surface of each air inlet 210 and the upper outer surface of the adjacent electrode hole 2113 .
  • At least one guide groove 2131 communicating with the liquid storage tank 2130 may be provided on the upper end surface of each air inlet 210 (the end surface facing the heating seat 23 ).
  • the reservoirs 2130 are connected.
  • the diversion groove 2131 can be composed of thin grooves, which can automatically generate surface tension, realize automatic liquid conduction, produce good liquid conduction ability, and guide the condensate near the air inlet 210 to the liquid storage tank 2130 .
  • the diversion groove 2131 may be formed of a capillary groove capable of generating capillary force, and the liquid guiding effect is further improved through the capillary force.
  • the atomization assembly 20 may further include an electrode column 24 and a magnetic attraction 25 disposed on the base 21 .
  • the magnetic component 25 can be embedded in the bottom of the base body 211 for magnetically fixing the atomizer 100 and the power supply device.
  • the number of magnetic attractors 25 may be two, and the two magnetic attractors 25 are respectively located on both sides of the long axis of the seat body 211 .
  • the two electrode posts 24 are respectively arranged in the two electrode holes 2113 of the base 21 along the longitudinal direction and can support the heating element 22.
  • the upper ends of the two electrode posts 24 are respectively connected to the two conductors 223.
  • Part 2231 is in contact with conduction.
  • Two electrode posts 24 and two magnetic attractors 25 can be distributed on the long axis of the seat body 211 .
  • the electrode posts 24 are set outward relative to the conductor 223, that is, the distance between the central axes of the two electrode posts 24 is greater than the middle diameter of the absorbing liquid 221 (the sum of the outer diameter and the inner diameter of the absorbing liquid 221 Half), to ensure that the air intake hole 210 has a certain cross-sectional size to ensure sufficient air intake.
  • the one liquid guiding structure 233 may include multiple first liquid guiding grooves 2331 arranged in parallel and at least one second liquid guiding groove 2332 connected to the multiple first liquid guiding grooves 2331 .
  • the first liquid guide grooves 2331 extend along the circumferential direction of the heating chamber 230 , and the circumferential two sides of each first liquid guide groove 2331 communicate with the circumferential two sides of the one liquid inlet hole 2320 respectively.
  • the second liquid guiding groove 2332 extends longitudinally, and there may be two or more second liquid guiding grooves 2332, and the two or more second liquid guiding grooves 2332 are arranged in parallel and at intervals.
  • the heating seat 23 also includes an outlet arranged in the ventilation hole 2312.
  • Check valve 234 at gas port Specifically, the one-way valve 234 is arranged at the air outlet at the end of the air exchange hole 2312 communicating with the liquid storage chamber 110.
  • the one-way valve 234 may include a baffle 2341 covering the air outlet of the air exchange hole 2312 and a
  • the blocking piece 2341 is connected to the elastic arm 2342 , and the blocking piece 2341 is elastically connected to the first casing 231 via the elastic arm 2342 .
  • the blocking piece 2341 is in a closed state under the action of resistance such as its own elastic force and gravity, thereby blocking the air outlet of the ventilation hole 2312 .
  • resistance such as its own elastic force and gravity
  • the atomization assembly 30 may include a base 31, a heating seat 33 sleeved above the base 31, and a heating seat 33 disposed between the base 31 and the heating seat 33. Between the heating components 32.
  • the heating seat 33 may include a first sleeve 331 located at the bottom and a second sleeve 332 located at the top.
  • the first casing 331 is sheathed on the base 31 , and its cross-sectional shape may be roughly elliptical.
  • the first casing 331 is tightly fit between the outer peripheral surface of the base 31 and the inner peripheral surface of the housing 11 , seals the lower open end of the housing 11 and seals the liquid storage chamber 110 .
  • the outer peripheral surface of the first casing 331 can protrude outward to form at least one sealing portion 3311 , and the at least one sealing portion 3311 is interference fit with the inner peripheral surface of the housing 11 to enhance the sealing performance of the heating seat 33 .
  • there are two sealing parts 3311 and the two sealing parts 3311 are spaced up and down.
  • a ventilation hole 3312 communicating with the liquid storage chamber 110 is formed on the first casing 331 along the longitudinal direction.
  • the air exchange hole 3312 can be a straight through hole and can be arranged on one side of the long axis of the first casing 331.
  • the second sleeve 332 can be formed by extending upward from the upper end of the first sleeve 331 .
  • the second casing 332 can be roughly in the shape of a hollow cuboid, in which an air outlet 3321 and an atomizing chamber 3323 are sequentially connected to each other along the longitudinal direction.
  • the air outlet hole 3321 can be formed by a concave top surface of the second sleeve body 332 for inserting the air outlet tube 12 .
  • the hole wall of the air outlet hole 3321 can extend inward to form at least one sealing portion 3322 to seal the lower end of the air outlet pipe 12 .
  • there are two sealing parts 3322 and the two sealing parts 3322 are arranged at intervals up and down, and are respectively in interference fit with the outer peripheral surface of the air outlet pipe 12 .
  • a through hole 3320 for inserting the heating element 32 may also be formed on the second casing 332 along the transverse direction.
  • the perforation 3320 can communicate with the lower end of the atomization chamber 3323 , and the lower side of the perforation 3320 can extend downward to the upper end surface of the first casing 331 .
  • the base 31 may include a seat body 311 and a matching portion 312 extending upward from the seat body 311 .
  • the cross-sectional shape of the seat body 311 may be roughly elliptical, and at least one air inlet 310 communicating with the outside is formed concavely on the bottom surface of the seat body 311 .
  • the seat body 311 can be inserted into the housing 11 from the bottom open end of the housing 11 to block the bottom opening of the housing 11 .
  • the seat body 311 can be snap-connected with the housing 11 .
  • buckles 3111 may protrude outward from two opposite side walls of the base body 311 , and the base body 311 may be buckled connected with the housing 11 through the buckles 3111 .
  • the matching part 312 can be sleeved in the first sleeve body 331 of the heating seat 33 in a sealing manner.
  • the cross-sectional shape of the matching part 312 can be roughly oval, and the outer cross-sectional size of the matching part 312 is smaller than the outer cross-sectional size of the seat body 311 .
  • the upper end surface of the matching portion 312 forms a supporting end surface 3121 for supporting the heating seat 33 , and the supporting end surface 3121 is provided with at least one ventilation slot 3122 communicating with the ventilation hole 3312 and the air inlet hole 310 respectively.
  • the size of the ventilation channel formed by the lower end surface of the heating seat 33 and the ventilation groove 3122 is stable, and the ventilation effect is good and controllable.
  • the air exchange slot 3122 has a first end and a second end opposite to each other, and the second end of the air exchange slot 3122 communicates with the air inlet 310 .
  • the first end of the air exchange tank 3122 communicates with the air exchange hole 3312, and further communicates with the liquid storage chamber 110, so that the air exchange tank 3122 has a liquid storage function and can store a certain amount of condensate.
  • Ventilation groove 3122 can be bent and set, for example, it can be roughly bent into several shapes, S shape, serpentine shape, etc. Liquid leakage and other problems caused by too short air exchange path.
  • Both ends of the length of the suction liquid 321 are respectively arranged above the two ventilation grooves 3122 and communicated with the two ventilation grooves 3122 respectively, so that the condensate can flow back to the suction liquid 321 and be atomized again.
  • the air exchange groove 3122 can be composed of thin grooves. Further, the air exchange groove 3122 can be composed of a capillary groove capable of generating capillary force, and the liquid can be automatically guided through the capillary force, so that the condensate in the air exchange groove 3122 can flow back to the suction liquid 321 .
  • the distance between the ventilation groove 3122 and the suction liquid 321 may be less than or equal to 1 mm, preferably less than or equal to 0.6 mm, so as to achieve better liquid conduction.
  • the base 31 may further include a supporting portion 313 extending upward from the supporting end surface 3121 of the matching portion 312 , and the supporting portion 313 may be inserted into the heating seat 33 to support the heating seat 33 .
  • the supporting part 313 may include two supporting arms disposed opposite to each other, and the two supporting arms may be respectively formed by extending upward from both sides of the short axis of the matching part 312 .
  • An electrode hole 3113 for inserting the electrode column 34 can also be formed on the base 31 along the longitudinal direction.
  • the atomization assembly 30 may further include an electrode column 34 and a magnetic attraction 35 disposed on the base 31 .
  • There are two electrode columns 34 and the two electrode columns 34 are respectively vertically inserted in the two electrode holes 3113 and connected to the two electrode leads 323 respectively.
  • the magnetic component 35 can be embedded in the bottom of the base body 311 for magnetically fixing the atomizer 100 and the power supply device.
  • the number of magnetic attractors 35 can be two, and the two magnetic attractors 35 are respectively located on both sides of the long axis of the seat body 311 .
  • the heating component 32 can be accommodated in the heating seat 33 , which can include a liquid absorption 321 and a heating body 322 disposed on the liquid absorption 321 .
  • the suction liquid 321 is in liquid communication with the liquid storage chamber 110 and can absorb the liquid atomized substrate in the liquid storage chamber 110 .
  • the liquid absorption 321 may be a porous ceramic liquid absorption, of course, it can be understood that in other embodiments, the liquid absorption 321 is not limited to a porous ceramic liquid absorption.
  • the liquid absorption 321 may include a liquid guiding part 3211 and an atomizing part 3212 .
  • the liquid guiding part 3211 can be roughly rectangular parallelepiped and can be installed transversely in the through hole 3320 of the heating seat 33 .
  • a liquid guiding hole 3210 for introducing the atomized substrate in the liquid storage chamber 110 can also be formed through the liquid guiding part 3211 in a transverse direction, and the liquid guiding hole 3210 can be extended along the length direction of the liquid guiding part 3211 .
  • the atomizing part 3212 can be formed by extending upward from the upper end of the liquid guiding part 3211.
  • the atomizing part 3212 can be in the shape of a cuboid, its length can be smaller than that of the liquid guiding part 3211, and its width can be consistent with the width of the liquid guiding part 3211.
  • the heating element 322 can be a metal heating sheet and is arranged on the upper surface of the atomizing part 3212, and is used for heating the atomizing substrate on the absorbing liquid 321 to atomize it to form an atomizing gas after being energized. It can be understood that the heating element 322 is not limited to a heating sheet, for example, in other embodiments, it can also be a heating wire or a heating film.
  • the heating component 32 may further include two electrode leads 323 respectively connected to two ends of the heating element 322 .
  • the two electrode lead wires 323 can pass through the absorbing liquid 321 downwards and connect with the two electrode posts 34 respectively.
  • the atomization assembly 30 may further include a sealing member 36, which may be embedded above the base 31 and sleeved outside the upper end of at least one air inlet 310, so as to prevent liquid absorption 321 The atomized substrate in the air leaks through the air inlet 310.
  • the sealing member 36 can be made of elastic material such as silica gel, and a ventilation gap 360 communicating with the air inlet 310 is formed between the lower end surface of the sealing member 36 and the upper end surface of the air inlet 310 .
  • An air flow channel 362 is formed on the sealing member 36 to communicate the ventilation gap 360 with the atomizing chamber 3323 .
  • the two airflow passages 362 there are two airflow passages 362 , and the two airflow passages 362 are respectively located on two opposite sides of the sealing member 36 ;
  • Two insertion holes 361 through which the two electrode posts 34 respectively pass can also be formed on the sealing member 36 .
  • the electrode lead wire 323 can extend into the insertion hole 361 to contact with the electrode post 34 after passing through the absorbing liquid 321 .
  • FIG. 16 shows an electronic atomization device in some embodiments of the present invention.
  • the electronic atomization device may include an atomizer 100 and a power supply device 200 electrically connected to the atomizer 100 .
  • the atomizer 100 is arranged above the power supply device 200 along the longitudinal direction, and it may include the atomization assembly in any of the above-mentioned embodiments.
  • the atomizer 100 and the power supply device 200 can be connected together in detachable ways such as magnetic attraction, screw connection, plug connection, and buckle connection.
  • the atomizer 100 and the power supply device 200 may also be connected together in a non-detachable manner.

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Abstract

La présente invention concerne un appareil d'atomisation électronique, et un atomiseur et un ensemble d'atomisation associés. L'ensemble d'atomisation comprend une base dure ; un siège de chauffage souple qui est disposé sur la base de manière emmanchée ; et un ensemble de chauffage qui est disposé entre la base et le siège de chauffage. Au moins une partie de l'ensemble chauffant est logée dans le siège de chauffage, et l'ensemble de chauffage comprend un corps d'aspiration de liquide et un corps de chauffage disposé dans le corps d'aspiration de liquide, un trou d'atomisation étant disposé dans le corps d'aspiration de liquide de manière pénétrante, et un trou de sortie d'air communiquant avec le trou d'atomisation étant disposé dans le siège de chauffage. Le siège de chauffage souple peut être utilisé comme élément d'étanchéité et peut également être utilisé comme élément de support structurel pour supporter l'ensemble de chauffage, de telle sorte que le nombre de composants, par lesquels l'ensemble d'atomisation est composé, peut être réduit, la structure est simple et fiable, et l'assemblage est facile, ce qui facilite l'automatisation de la production.
PCT/CN2021/106932 2021-07-16 2021-07-16 Appareil d'atomisation électronique, et atomiseur et ensemble d'atomisation associés WO2023283961A1 (fr)

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