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WO2023019703A1 - Ensemble noyau d'atomisation, dispositif d'atomisation de cigarette électronique et cigarette électronique - Google Patents

Ensemble noyau d'atomisation, dispositif d'atomisation de cigarette électronique et cigarette électronique Download PDF

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Publication number
WO2023019703A1
WO2023019703A1 PCT/CN2021/122911 CN2021122911W WO2023019703A1 WO 2023019703 A1 WO2023019703 A1 WO 2023019703A1 CN 2021122911 W CN2021122911 W CN 2021122911W WO 2023019703 A1 WO2023019703 A1 WO 2023019703A1
Authority
WO
WIPO (PCT)
Prior art keywords
core assembly
atomizing
porous body
atomizing core
electronic cigarette
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2021/122911
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English (en)
Chinese (zh)
Inventor
唐建国
金奇斌
卢音波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Precision Manufacturing Co Ltd
Original Assignee
BYD Precision Manufacturing Co Ltd
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 BYD Precision Manufacturing Co Ltd filed Critical BYD Precision Manufacturing Co Ltd
Publication of WO2023019703A1 publication Critical patent/WO2023019703A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A24F40/10—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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • the present disclosure relates to the technical field of electronic cigarettes, and more specifically, the present disclosure relates to an atomizing core assembly, an electronic cigarette atomizing device and an electronic cigarette.
  • Electronic cigarettes are electronic products imitating cigarettes, which have similar appearance, smoke, taste and feeling to cigarettes. E-cigarette products use the method of atomizing e-liquid to provide users with smoke that can be smoked. Compared with real cigarette products, electronic cigarettes have the advantage that their health hazards to users are greatly reduced; and most electronic cigarettes are easy to use, beautiful in appearance and easy to carry.
  • Electronic cigarettes generally include a power supply component and an atomizer. After the power supply component supplies power to the atomizer, the atomizer heats and atomizes the liquid to form smoke that is inhaled by the user.
  • the air exchange of the oil storage chamber depends on the capillary structure on the porous body of the atomizing core, and it is difficult to exchange air, so it is prone to problems such as poor e-liquid liquid and dry burning of the atomizing core. There will be a burnt smell, which will bring a poor smoking experience to the user.
  • the existing e-cigarettes have many internal components, too compact structure, and complicated assembly process, which not only reduces the efficiency of e-cigarette manufacturing; moreover, the internal parts of e-cigarettes are too compact, and it is easy to cause the volume of the oil-absorbing body to be too small. It cannot absorb a sufficient amount of e-juice, resulting in problems such as easy oil leakage.
  • An object of the present disclosure is to provide a new technical solution for an atomizing core assembly, an electronic atomization device and an electronic cigarette.
  • an atomizing core assembly configured to form a sealing fit with the housing of the electronic cigarette;
  • the atomizing core assembly includes a porous body and a heating element assembly , the porous body has a liquid-absorbing surface and an atomizing surface, and the heating element assembly is arranged at the atomizing surface of the porous body; a first through hole is opened on the porous body, and the first through hole The holes pass through the liquid-absorbing surface and the atomizing surface; the atomizing core assembly is provided with a ventilation channel, and the ventilation channel runs through from the atomizing surface to the liquid-absorbing surface.
  • the ventilation channel is a second through hole opened on the porous body, and the second through hole is spaced apart from the first through hole on the porous body.
  • the atomizing core assembly further includes a first sealing member sleeved on the outside of the porous body; the first sealing member is configured to be used with the The inner walls of the housing of the electronic cigarette form a mutually extruded sealing fit.
  • a ventilating channel is formed on a side of the porous body, and the first sealing member surrounds the ventilating channel to form the ventilating channel.
  • At least two ventilation channels are provided.
  • At least two of the ventilation channels are evenly distributed.
  • a protruding portion is disposed on the first sealing member, and the protruding portion covers the ventilation groove.
  • the outer surface of the first sealing member is provided with a first elastic rib, and the first elastic rib abuts against the inner wall of the housing of the electronic cigarette.
  • a tubular structure matching the through hole is formed on the first sealing member, and the tubular structure is inserted into the first through hole.
  • the porous body is an elliptical cylinder.
  • the porous body is an elliptical cylinder, two ventilation channels are provided, and the two ventilation channels are respectively located at two ends of the long axis of the ellipse of the porous body.
  • the through hole is an elliptical hole
  • the minor axis of the ellipse of the atomizing surface coincides with the minor axis of the ellipse of the through hole
  • the major axis of the ellipse of the atomizing surface is relative to the The major axis of the ellipse of the through hole is offset by a predetermined distance.
  • the atomization surface along the direction of the minor axis of the ellipse, on both sides of the first through hole, has a first side area and a second side area, and the first side area The area is larger than the area of the second side area, and the heating element assembly is arranged on the first side area.
  • the heating element assembly includes a heating wire and two junction pads electrically connected to both ends of the heating wire, and the two junction pads are connected in series through the heating wire.
  • the resistance value of the heating wire is greater than the resistance value of the junction pad.
  • an electronic cigarette device comprising:
  • a housing one end of the housing is provided with an air outlet, the other end of the housing is an open end, and the housing has an air outlet channel communicating with the air outlet;
  • liquid storage chamber is arranged in the housing
  • the lower cover is set on the opening end of the housing, and the lower cover is provided with an air intake channel communicating with the outside world;
  • the atomizing core assembly is arranged in the housing, and the atomizing core assembly forms a sealing fit with the housing;
  • the liquid absorbing surface of the porous body communicates with the liquid storage chamber, the space between the atomizing surface of the porous body and the lower cover forms an atomizing chamber, and the atomizing chamber communicates with the air inlet channel ;
  • the through holes communicate with the outlet channel and the atomization chamber respectively.
  • the electronic atomization device further includes a conductive nail, the conductive nail is pierced on the lower cover, and the conductive nail is in contact with the heating element assembly to form an electrical connection.
  • the inner wall of the housing is provided with a first support rib, and the conductive nail and the first support rib are respectively formed on the atomization core assembly from both sides of the atomization core assembly. Limit abutment.
  • the inner wall of the housing is provided with a first support rib
  • the lower cover is provided with a second support rib
  • the first support rib and the second support rib are separated from the fog
  • the two sides of the atomizing core assembly form limiting abutment against the atomizing core assembly.
  • the atomizing core assembly includes a first sealing member, and the first sealing member is provided with a holding portion, and the holding portion abuts against the second support rib for axial fixing The atomizing core assembly.
  • the housing and the lower cover are snapped together.
  • the air inlet passage includes an air inlet pipe and an air inlet connected to each other, and the air inlet is arranged at a position of the air inlet pipe close to the atomization chamber;
  • At least two air inlets There are at least two air inlets, and the at least two air inlets are arranged at intervals, and at least two of the air inlets are distributed on the side of the air inlet pipe around the axis of the air inlet pipe.
  • the electronic cigarette atomization device further includes an oil absorbing element arranged in the lower cover, and the oil absorbing element is arranged around the outer periphery of the air intake pipe; the oil absorbing element is close to the atomizer The end surface of one end of the cavity is lower than the end surface of the air inlet.
  • the thickness of the oil absorbing element is 3mm-6mm.
  • an electronic cigarette includes the electronic cigarette generating device and a power supply as described in the second aspect.
  • a technical effect of the present disclosure is that the ventilation groove opened on the porous body of the atomizing core can help the e-liquid in the liquid storage chamber of the electronic cigarette smoothly penetrate from the liquid-absorbing surface of the porous body to the atomizing surface.
  • the atomization effect of the surface is good, and the user has a good inhalation taste.
  • Fig. 1 is a schematic structural diagram of an atomizing core in an atomizing core assembly according to an embodiment of the present disclosure
  • Fig. 2 is a schematic structural view of a first sealing member in an atomizing core assembly according to an embodiment of the present disclosure
  • Fig. 3 is a schematic structural view of a first sealing member in an atomizing core assembly according to an embodiment of the present disclosure
  • Fig. 4 is a schematic structural diagram of an electronic cigarette device in an embodiment of the present disclosure.
  • Fig. 5 is a schematic diagram of an exploded structure of an electronic cigarette device in an embodiment of the present disclosure
  • Fig. 6 is a schematic structural view of a lower cover in an embodiment of the present disclosure.
  • Fig. 7 is a schematic structural diagram of a lower cover in an embodiment of the present disclosure.
  • Fig. 8 is a schematic structural view of a lower cover in an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural view of a housing in an embodiment of the present disclosure.
  • Fig. 10 is a schematic structural diagram of a housing in an embodiment of the present disclosure.
  • an atomizing core assembly is provided, which is configured to form a sealing fit with the housing of an electronic cigarette; the atomizing core assembly includes an atomizing core 3.
  • the atomizing core 3 includes a porous body 31 and a heating element assembly.
  • the porous body 31 has a liquid-absorbing surface and an atomizing surface.
  • the heating element assembly is arranged at the atomizing surface of the porous body 31;
  • the hole 311, the first through hole 311 runs through the liquid absorption surface and the atomization surface;
  • the atomization core assembly is provided with a ventilation channel, and the ventilation channel runs through from the atomization surface to the liquid absorption surface.
  • the smoke oil penetrates from the liquid-absorbing surface to the atomizing surface through the porous body 31 of the atomizing core 3, so that the air pressure of the liquid storage chamber in the electronic cigarette At the same time, air enters the atomization chamber from the air intake channel of the electronic cigarette.
  • the air pressure in the atomization chamber is greater than the air pressure in the liquid storage chamber, and the gas enters the liquid storage chamber from the atomization chamber through the ventilation channel, so that Effectively realize the air pressure balance between the liquid storage chamber and the atomization chamber of the electronic cigarette, avoid the situation that the e-liquid is difficult to smoothly penetrate from the liquid absorption surface of the porous body 31 to the atomization surface, and prevent dry burning from affecting the user's smoking time taste.
  • the liquid in the liquid storage chamber of the electronic cigarette can smoothly penetrate from the liquid-absorbing surface of the porous body 31 to the atomizing surface, and the atomization of the atomizing surface The effect is good, and the user has a good taste in smoking.
  • the ventilation channel is a second through hole opened on the porous body 31 , and the second through hole is spaced apart from the first through hole 311 on the porous body 31 .
  • the porous body 31 open a second through hole that penetrates the atomizing surface and the liquid absorption surface to form a ventilation channel; for example, the first through hole 311 is opened near the center of the porous body 31, and the second through hole The through holes are opened near the sides of the porous body 31 .
  • the first through hole 311 is spaced apart from the heating element assembly.
  • the atomizing core assembly further includes a first sealing member 4, and the first sealing member 4 is sleeved on the outside of the porous body 31; the first sealing member 4 is configured to use In order to form a mutual pressing and sealing fit with the inner wall of the casing of the electronic cigarette.
  • a ventilation channel 301 is opened on the side of the porous body 31 , and the first sealing member 4 surrounds the ventilation channel 301 to form a ventilation channel. More specifically, the porous body 31, the first sealing member 4, and the housing of the electronic cigarette form a liquid storage cavity; the porous body 31, the first sealing member 4, the housing of the electronic cigarette, and the lower cover of the electronic cigarette form a Atomization chamber.
  • the ventilation passage is formed by the ventilation channel 301 opened on the side of the porous body 31 and the first sealing member 4 .
  • the first seal 4 is pushed open under the action of the air pressure in the atomization chamber, so that the gas can pass through the ventilation slot 301 from the atomization chamber. Enter the liquid storage chamber; when the air pressure in the liquid storage chamber and the atomization chamber is balanced, the first sealing member 4 falls back to cover the ventilation channel 301, preventing the liquid matrix in the liquid storage chamber from flowing into the atomization chamber.
  • the cooperation between the atomizing core 3 and the first sealing member 4 can realize ventilation and sealing of the liquid storage cavity and the atomizing cavity of the electronic cigarette when the user uses it.
  • At least two ventilation slots 301 are provided.
  • Only one ventilation channel 301 can be provided, and one ventilation channel 301 can perform ventilation for the liquid storage chamber and the atomization chamber of the electronic cigarette to maintain air pressure balance.
  • setting at least two ventilation slots 301 can better maintain the air pressure balance between the liquid storage chamber and the atomization chamber of the electronic cigarette.
  • At least two ventilation slots 301 are evenly distributed.
  • the ventilation slots 301 can be arranged symmetrically or non-uniformly; in this specific example, at least two ventilation slots 301 can be evenly distributed. Make the air flow more balanced and improve the air pressure balance effect between the liquid storage chamber and the atomization chamber of the electronic cigarette.
  • the plurality of ventilation slots 301 may be set in the same shape, or in different shapes. Uniform distribution means that the ventilation channels 301 are symmetrically distributed relative to the center of the porous body 31 .
  • the first sealing member 4 is provided with a protruding portion 401 , and the protruding portion 401 covers the ventilation groove 301 .
  • the protruding portion 401 covers an end of the ventilation channel 301 close to the liquid storage cavity of the electronic cigarette.
  • the first sealing member 4 is provided with a protruding part 401 corresponding to the ventilating channel 301.
  • the protruding part 401 covers the ventilating channel 301 Close to one end of the liquid storage chamber, which can have a better sealing effect and effectively prevent the liquid matrix in the liquid storage chamber from flowing to the atomization chamber; when the air pressure is unbalanced, for example, when the e-liquid passes through the porous body 31 Penetrating into the atomization surface, so that the air pressure in the liquid storage chamber in the electronic cigarette decreases, and at the same time, the air enters the atomization chamber from the air intake channel of the electronic cigarette, at this time, the air pressure in the atomization chamber is greater than the air pressure in the liquid storage chamber , the first sealing member 4 is pushed open under the action of the
  • the outer surface of the first sealing member 4 is provided with a first elastic rib 42, and the first elastic rib 42 abuts against the housing of the electronic cigarette. on the inner wall.
  • the first elastic rib 42 achieves an interference fit between the inner wall of the housing of the electronic cigarette and the porous body 31 of the atomizing core 3, thereby sealing the outer wall of the porous body 31 and also The inner wall of the housing of the electronic cigarette is sealed, which improves the sealing effect between the first sealing member 4 and the housing of the electronic cigarette, and prevents the oil from leaking from the liquid storage chamber of the electronic cigarette to the atomizing chamber.
  • a tubular structure 43 matching the first through hole 311 is formed on the first sealing member 4, and the tubular structure 43 is inserted into the first through hole 311 Inside.
  • the tubular structure 43 on the first sealing member 4 is inserted into the first through hole 311 of the porous body 31 to seal the periphery of the first through hole 311 to prevent the liquid storage chamber of the electronic cigarette from The e-liquid in the liquid leaks out, and the setting of the tubular structure 43 improves the sealing effect of the first sealing member 4 .
  • the porous body 31 is an elliptical cylinder.
  • the porous body 31 of the atomizing core 3 is set as an elliptical cylinder, and the shape of the porous body 31 is consistent with the shape of the shell of the electronic cigarette.
  • the porous body 31 can better fit the inner wall of the housing of the electronic cigarette; and in the case of adapting the housing of the electronic cigarette, the volume of the porous body 31 can be maximized, Therefore, the liquid matrix in the liquid storage chamber of the electronic cigarette can penetrate more smoothly from the liquid-absorbing surface of the porous body 31 to the atomizing surface, thereby improving the atomization efficiency of the porous body 31 and making the user's puffing taste better.
  • two ventilation channels 301 are provided, and the two ventilation channels 301 are located at both ends of the long axis of the ellipse of the porous body 31 .
  • Ventilation channel 301 can also be arranged at other positions of porous body 31; Grooves 301 affect the strength of porous body 31 .
  • the first through hole 311 is an elliptical hole
  • the ellipse minor axis of the atomization surface coincides with the ellipse minor axis of the first through hole 311, and the ellipse minor axis of the atomization surface
  • the major axis is offset by a predetermined distance from the elliptical major axis of the first through hole 311 .
  • the first through hole 311 opened on the porous body 31 is eccentrically arranged relative to the porous body 31, and the eccentrically arranged first through hole 311 is a eccentric hole in the electronic cigarette, which can help improve the electronic cigarette.
  • the flow air path of the airflow in the electronic cigarette helps to improve the uniformity of mixing between the air entering the electronic cigarette from the outside and the smoke generated in the electronic cigarette.
  • the atomization surface has a first side area and a second side area, the first side The area of the zone is larger than the area of the second side zone, and the heating element assembly is arranged in the first side zone. More specifically, referring to FIG. 1 , taking the long axis of the ellipse of the first through hole 311 as a reference, in the orientation shown in FIG. 1 , the area below the long axis of the ellipse of the first through hole 311 is the first side area, The area above the major axis of the ellipse of the first through hole 311 is the second side area.
  • the first through hole 311 is offset toward one side along the short axis of the ellipse on the porous body 31, and the heating element assembly is offset toward the other side along the short axis of the ellipse on the atomizing surface. That is to say, the heating element assembly is unilaterally arranged relative to the first through hole 311, which can improve the heating efficiency of the heating element assembly, make the atomization surface heat stable and efficient, and improve the atomization effect of the atomization surface; The width of the edge of the hole on this side of the body assembly is designed to be maximized, thereby improving the strength of the atomizing core 3 .
  • the heating element assembly includes a heating wire 32 and two junction pads 33 electrically connected to both ends of the heating wire 32 , and the two junction boards 33 are connected in series through the heating wire 32 .
  • the heating wire 32 mainly plays the role of heating, and the junction plate 33 is responsible for contacting the conductive nail of the electronic cigarette and conducting it electrically. More specifically, there are two conductive nails, and one of the two conductive nails is a positive pole and the other is a negative pole. Correspondingly, there are also two junction boards 33 , similarly, one of the two junction boards 33 is positive and the other is negative; more specifically, the two junction boards 33 are respectively connected to both ends of the heating wire 32 .
  • the resistance value of the heating wire 32 is greater than the resistance value of the junction plate 33 .
  • the heating wire 32 is elongated and strip-shaped, and its resistance value is large, so the heat generation energy is relatively high after being energized; The heating energy is very small. Therefore, in the heating element assembly provided in this embodiment, the junction plate 33 does not generate much heat, and the heat is concentrated on the heating wire 32.
  • the heating wire 32 has a better heating effect, higher heating energy, and easy adjustment of heating energy.
  • the housing 1 has an air outlet channel 11 connected with the air outlet 101, and the air outlet channel 11 is used for the air mixed with the atomized smoke to flow out from the atomization assembly; it also includes a liquid storage chamber 102, which stores the liquid
  • the cavity 102 is set in the casing 1, and the liquid storage cavity 102 is used to accommodate liquid substances such as e-liquid;
  • the lower cover 2 is provided with an air intake channel 21 communicating with the outside world;
  • the atomizing core assembly is arranged in the housing 1, and the atomizing core assembly forms a sealing fit with the housing 1;
  • the liquid-absorbing surface of the porous body 31 is in contact with the liquid storage
  • the cavity 102 is connected, and the space between the atomizing surface of the porous body 31 and the lower cover 2 constitutes the atomizing chamber 20, and the atomizing chamber 20 communicates with the air inlet channel 21;
  • the first through hole 311 is connected with the air outlet channel 11 and the
  • the working principle of the electronic cigarette device is as follows: the liquid stored in the liquid storage chamber 102 of the electronic cigarette continuously penetrates into the liquid absorption surface of the porous body 31, and the liquid absorption surface absorbs the liquid and transmits it to the atomization surface;
  • the internal sensor is triggered, thereby sending out a signal to drive the heating element assembly on the atomization surface to heat the e-liquid to generate aerosol, and the e-liquid is absorbed in the atomization chamber 20 Heating and atomizing, the external airflow enters through the air intake channel 21 of the lower cover 2, takes away the smoke in the atomization chamber 20, then passes through the air outlet channel 11 in the housing 1, and finally enters the user's mouth from the air outlet 101.
  • the atomizing core 3 and the first sealing member 4 are only used in the form of cooperation of the housing 1 and the lower cover 2 .
  • the position is limited by other structures, and the upper bracket, upper bracket sealing ring and lower bracket in the traditional structure are cancelled, which greatly simplifies the internal structure of the electronic cigarette device, thereby saving parts manufacturing costs and assembly costs, and improving production efficiency.
  • the structure of the electronic cigarette device leaves more space for the liquid storage chamber 102 and the atomization chamber 20.
  • an upper bracket is provided between the atomizing core assembly and the inner wall of the casing, but in the electronic cigarette device provided by the embodiment of the present disclosure, the atomizing core assembly is directly attached to the inner wall of the casing 1, Therefore, the volume of the atomizing core 3 in the atomizing core assembly can be made larger, and the area of the e-liquid from the liquid-absorbing surface to the atomizing surface is larger. The larger the size, the better the taste of the puff.
  • the electronic atomization device further includes a conductive nail 5, which is pierced on the lower cover 2, and the conductive nail 5 is in contact with the heating element assembly and forms an electrical connection .
  • the electronic atomization device also includes a conductive nail 5, which is pierced on the lower cover 2, and the conductive nail 5 abuts against the position where the heating element assembly is arranged on the atomization surface of the porous body 31, and the conductive nail 5 and the heating element assembly contact and form an electrical connection.
  • the conductive nail 3 is used to form an electrical connection between the atomizing core and other power supply devices.
  • the conductive nail 5 directly contacts and conducts with the heating element assembly provided on the atomizing surface of the atomizing core 3 to form an electrical connection, and its connection relationship is simple, easy to install, and easy to assemble operate.
  • the heating element assembly and the porous body 31 are integrally formed. More specifically, the manufacturing process of the heating element assembly is as follows: first sinter the porous body 31, then use metal powder to print the heating element assembly on the porous body 31, and finally combine the heating element assembly and the porous body 31 through a sintering process to form a An integral structure, the first through hole 311 is spaced apart from the heating element assembly.
  • the integrally formed heating element assembly is closely and reliably combined on the porous body 31, and the heating element assembly does not occupy additional space inside the electronic cigarette; when the heating element assembly is in contact with the conductive nail 5, it is equivalent to the conductive nail 5 and the porous body 31 form a surface-to-surface abutment relationship, such a connection is simple and stable.
  • the inner wall of the housing 1 is provided with a first support rib 12, and the conductive nail 5 and the first support rib 12 respectively form a limiting abutment against the atomization core assembly from both sides of the atomization core assembly. .
  • the first support rib 12 performs interference preloading on the first sealing member 4 from the upper end surface of the first sealing member 4, and the conductive nail 5 presses the first sealing member 4 from the lower end surface of the first sealing member 4.
  • the sealing member 4 performs interference preloading to ensure the tightness and reliability of the connection.
  • the inner wall of the housing 1 is provided with a first support rib 12
  • the lower cover 2 is provided with a second support rib 22
  • the first support rib 12 and the second support rib 22 respectively form limiting contact with the atomizing core assembly from both sides of the atomizing core assembly.
  • both the first support rib 12 and the second support rib 22 extend along the length direction of the casing 1 .
  • the first supporting rib 12 carries out interference preloading on the first sealing member 4 from the upper end surface of the first sealing member 4, and the second supporting rib 22 carries out interference preloading on the first sealing member 4 from the lower end surface of the first sealing member 4.
  • the first seal 4 is preloaded with interference, and the first support rib 12 and the second support rib 22 have a certain amount of compression on the end face of the first seal 4 made of soft rubber to ensure the tight reliability of the connection, thereby ensuring
  • the atomizing core assembly is reliably and stably positioned and fixed in the housing 1, and there is no need to arrange other related structures for fixing the atomizing core assembly between the housing 1 and the lower cover 2, which simplifies the internal structure of the electronic cigarette , the first sealing member 4 forms an effective seal between the casing 1 and the atomizing core 3 . And it can also ensure the reliability of the abutting communication between the conductive nail 5 and the heating element assembly.
  • first support rib 12 can prevent the first sealing member 4 from deviating to the side of the liquid storage chamber 102
  • the second support rib 22 can prevent the first sealing member 4 from deviating from the side of the atomization chamber 20, so that the electronic cigarette
  • the internal structure of the chemical device is more stable.
  • the atomizing core assembly includes a first sealing member 4, and the first sealing member 4 is provided with a top holding part 41, and the top holding part 41 and The second supporting rib 22 abuts to axially fix the atomizing core assembly.
  • the supporting portion 41 is an undercut structure provided on the first sealing member 4, that is, the supporting portion 41 axially fixes the atomizing core 3 from the bottom of the atomizing core 3; after assembly,
  • the supporting part 41 corresponds to the position of the second supporting rib 22 provided on the lower cover 2, and the supporting part 41 and the second supporting rib 22 abut against each other to axially position the atomizing core 3 to ensure that the atomizing core assembly It can be relatively stably fixed in the housing 1 .
  • the casing 1 and the lower cover 2 are snapped together by buckling.
  • the housing 1 and the lower cover 2 are assembled by snap-fit connection, which is more convenient and easy to operate.
  • the housing 1 and the lower cover 2 are snapped into place, the conductive nail 5 and the heating element The components are abutted in place, and this assembly method is conducive to positioning and fixing the conductive nail 5 and the heating element component.
  • the air intake passage 21 includes an air intake duct 211 and an air intake 212 that communicate with each other, and the air intake 212 is arranged near the atomizer of the air intake duct 211
  • the air inlet 212 between the air inlet pipe 211 and the atomization chamber 20 is arranged on the side of the air inlet pipe 211, and at least two mutually isolated air inlets 212 are arranged, when the outside
  • the air flow can enter into at least two branch passages sideways, that is, enter into at least two air inlets 212 laterally, and at least two air inlets 212 can Splitting the airflow, the trajectory of the airflow will not change significantly, the airflow will not generate eddies, the airflow will flow in a relatively moderate state and then enter the atomization chamber 20, the airflow entering the atomization chamber 20 and After the smoke generated by heating and atomizing the heating element component is fully mixed, it enters the mouth of the user through the air outlet channel 11 .
  • the electronic cigarette atomization device further includes an oil absorbing element 6 arranged in the lower cover 2, and the oil absorbing element 6 is arranged around the outer circumference of the air intake pipe 211; the oil absorbing element 6 is close to the mist
  • the end surface of one end of the chemical chamber 20 is lower than the end surface of the air inlet 212 .
  • the volume of the atomization chamber 20 can be made larger compared with the prior art, so that the volume of the oil absorbing element 6 can be set to be larger, and the oil absorbing capacity of the oil absorbing element 6 can be improved. , to ensure that the liquid in the atomizing chamber 20 can be absorbed by the oil absorbing element 6, so as to avoid oil leakage.
  • the smog aerosol that has not been sucked out will form condensate droplets after cooling. Since the internal space of the vaping device is enlarged, components for collecting condensate droplets can be installed to reduce the flow of condensate droplets from the electronic device. Possibility of smoke escaping.
  • the condensed liquid droplets can be absorbed by the oil absorbing element 6 provided on the lower cover 2 to prevent the liquid droplets from leaking out from the air intake channel 21 .
  • the end surface of the oil absorbing element 6 close to the atomizing chamber 20 is lower than the end surface on the side where the air inlet 212 is located, so that the liquid on the oil absorbing element 6 will not flow from the air inlet 212 into the air inlet passage 21, the problem of oil leakage from the intake passage 21 is avoided.
  • the thickness of the oil absorbing element 6 is 3mm-6mm.
  • the thickness of the oil absorbing element in the prior art can only be set as About 1.5mm.
  • the volume of the atomization chamber 20 can be made larger compared with the prior art, the volume of the oil absorbing element 6 can be set to be larger, and the thickness of the oil absorbing element 6 can reach 3mm- 6mm, the liquid absorption can be increased by 2-4 times, so that the condensate generated during the life cycle of the pod can be stored in the oil-absorbing element 6, so as to avoid excessive condensate overflowing from the intake channel 21 of the lower cover 2, or Enter the user's mouth from the air outlet channel 11.
  • the porous body 31 , the first sealing member 4 and the casing 1 form a liquid storage cavity 102 .
  • the first sealing member 4 forms a sealing effect between the inner wall of the housing 1 and the porous body 31 .
  • the porous body 31 divides the space in the casing 1 .
  • the area inside the casing 1 above the first sealing member 4 can be used as a liquid storage chamber 102 . Holes may be left on the first sealing member 4 so that the e-liquid in the liquid storage chamber 102 contacts with the porous body 31 .
  • the e-liquid in the liquid storage chamber 102 can be sucked by the porous body 31 , so that the e-liquid can flow to the heating element assembly.
  • the heat generated by the heating element component can atomize the e-liquid.
  • the first through hole 311 communicates with the air outlet channel 11 and the atomizing chamber 20 respectively.
  • the first through hole 311 communicates the air outlet channel 11 with the atomizing chamber 20 .
  • the smoke in the atomization chamber 20 enters the air outlet channel 11 through the first through hole 311 and is inhaled by the user through the air outlet 101 .
  • the path for the smoke in the atomization chamber 20 to enter the air outlet channel 11 is shortened, which improves the efficiency of smoke inhalation. For example, after the air enters the atomization chamber 20 through the air inlet channel 21 , it enters the air outlet channel 11 through the first through hole 311 with the smoke.
  • a tubular structure 43 matching the first through hole 311 is formed on the first sealing member 4, and the tubular structure 43 is inserted into the first through hole 311
  • the air outlet passage 11 and the atomization chamber 20 communicate with each other through the tubular structure 43; the casing 1 forms a plug-in part 111 at the port of the air outlet passage 11 away from the air outlet 101, and the plug-in part 111 is plugged and fixed in the tubular structure 43 .
  • the tubular structure 43 on the first sealing member 4 is inserted into the first through hole 311 to seal the periphery of the first through hole 311 to prevent the e-liquid in the liquid storage chamber 102 from leaking out;
  • the tubular structure 43 makes the air outlet channel 11 communicate with the atomizing chamber 20 through the tubular structure 43, that is, the mixture of aerosol and air in the atomizing chamber 20 can enter the air outlet channel 11 through the tubular structure 43, and then be sucked by the user.
  • the design of the tubular structure 43 can seal the first through hole 311 to a certain extent, and separate the first through hole 311 from the liquid storage chamber 102.
  • the tubular structure 43 forms a seal between the first through hole 311 and the insertion portion 111, so as to avoid oil leakage between the tubular structure 43 and the first through hole 311. Inserting and fixing the insertion portion 111 of the air outlet channel 11 in the tubular structure 43 can also improve the overall fixing and positioning reliability of the first sealing member 4 and the atomizing core 3 .
  • the air outlet channel 11 directly communicates with the atomization chamber 20 through the tubular structure 43 and the first through hole 311.
  • This air path structure is smooth and has less bending, which helps the atomized gas to flow outward. outflow, reducing the possibility of it cooling to form condensate droplets.
  • the inner wall of the tubular structure 43 is provided with a second elastic rib 44 , and the second elastic rib 44 abuts against the insertion portion 111 .
  • the second elastic rib 44 tightly abuts against the insertion part 111, forming an interference fit between the first through hole 311 of the atomizing core 3 and the insertion part 111, that is, the second The elastic ribs 44 seal the inner wall surface of the atomizing core 3 and also seal the outer wall of the air outlet channel 11 of the housing 1 , thereby preventing oil leakage from the liquid storage chamber 102 to the atomizing chamber 20 .
  • the shell 1 is formed with a stepped surface 110 around the socket part 111; the first sealing member 4 is formed with a sealing edge 431, and the sealing edge 431 is located At one end of the tubular structure 43 , the stepped surface 110 abuts against the sealing edge 431 .
  • the sealing edge 431 is located on the liquid-absorbing surface of the porous body 31 and surrounds the first through hole 311, and the sealing edge 431 forms a seal between the stepped surface 110 and the liquid-absorbing surface of the porous body 31, so as to A further sealing effect is formed between the tubular structure 43 and the first through hole 311 .
  • the matching structure of the sealing edge 431 and the stepped surface 110 can play a good sealing role, preventing the liquid from passing through the gap between the air outlet channel 11 and the porous body 31 and then leaking to the first through hole 311, the atomization chamber 20 and the air outlet channel 11 middle.
  • a part of the sealing edge 431 is arranged around the edge of the liquid-absorbing surface, and a part is arranged around the first through hole 311 .
  • the portion of the sealing edge surrounding the first through hole 311 forms a seal between the stepped surface 110 and the liquid-absorbing surface.
  • the sealing edge 431 forms a sealing effect between the portion of the liquid-absorbing surface outside the opening of the first through hole 311 and the stepped surface 110 .
  • a third sealing member 7 is also included, and the third sealing member 7 abuts against the inner wall of the casing 1, and is connected between the lower cover 2 and the casing.
  • a seal is formed between the inner walls of the body 1 .
  • the housing 1 is surrounded by the first sealing member 4 and the porous body 31 to form a liquid storage chamber 102, the first sealing member 4 is sleeved on the porous body 31, and the gap between the first sealing member 4, the housing 1 and the porous body 31 is surplus cooperation.
  • the liquid in the liquid storage chamber 102 such as e-liquid, is conducted to the liquid-absorbing surface of the porous body 31, and then transferred to the atomizing surface of the porous body 31 through the capillary action of the porous body 31, and then heated by the heat generated on the atomizing surface.
  • the body components are heated and atomized to form smoke.
  • An atomization chamber 20 is formed between the atomization surface and the lower cover 2, and the smoke is located in the atomization chamber 20.
  • the outside air enters the atomization chamber 20 from the air intake channel 21, and the smoke carrying the atomization chamber 20 is exported to the air outlet channel 11 for the user to inhale.
  • the smoke oil is gradually absorbed by the porous body 31 to the side of its atomization surface, and the air pressure on the side of the liquid storage chamber 102 drops, forming a negative pressure; while the air pressure on the side of the atomization chamber 20 is higher, the air will Through the micropores of the porous body 31, the atomizing surface penetrates into the liquid storage chamber 102 from its liquid absorbing surface, and the first sealing member 4 is pushed open under the pressure of the atomizing chamber 20, and the gas passes through the ventilation channel 301 from The atomizing chamber 20 enters the liquid storage chamber 102, so as to effectively achieve air pressure balance; at the same time, the atomizing core assembly can absorb sufficient smoke oil to maintain the effect of generating smoke.
  • the smoke formed by heating the heating element assembly meets the cold air in the atomization chamber 20 and is easily cooled to form smoke oil.
  • the oil absorbing element 6 By setting the oil absorbing element 6 around the air inlet channel 21 of the lower cover 2, and the oil absorbing element 6 is close to the end surface of one end of the air outlet channel 11 Lower than the end surface of the air inlet 212 , the oil absorbing element 6 can absorb the condensed e-liquid, and the e-liquid will not leak out from the air intake passage 21 , preventing oil leakage.
  • the fixing column 23 for fixing the conductive nail provided in the lower cover 2 can be doubled in height, increasing the height.
  • the structural strength of the fixed column 23 after the height is increased, thereby improving the problem that the riveting hole of the lower cover is cracked when the conductive nail is riveted and assembled, which affects the leakage of the condensate in the atomization chamber from the cracked area of the conductive nail hole.
  • an electronic cigarette in yet another embodiment of the present disclosure, includes the above-mentioned electronic cigarette generating device and a power supply.
  • the electronic cigarette can realize the air pressure balance between the liquid storage chamber and the atomization chamber through the ventilation channel 301 provided on the porous body 31 of the atomizing core 3, so as to avoid the difficulty of e-liquid from penetrating smoothly from the liquid-absorbing surface of the porous body 31 to the The situation of the atomization surface occurs to prevent dry burning from affecting the user's taste when inhaling.
  • the electronic cigarette has fewer internal parts, simpler assembly, and higher production efficiency.
  • the accommodating cavity of the electronic cigarette has a larger space, and a larger-volume oil-absorbing element 6 can be provided, thereby improving the liquid-absorbing capacity of the atomizing cavity 20 . This can effectively avoid the problem that the cooled liquid is inhaled by the user or leaked from the air intake channel 21 along with the smoke.
  • the user when the user uses the electronic cigarette, the user smokes through the air outlet 101 . External air enters the atomizing chamber 20 through the air intake channel 21 .
  • the sensor in the e-cigarette senses the user’s puffing action, the electrical connection between the power supply and the heating element component is turned on and supplies power to the heating element component to heat the liquid in the atomized liquid storage chamber 102 to form smoke, and the air enters the mist
  • the smoke chamber 20 drives the smoke to be inhaled by the user through the air outlet channel 11 .
  • the air entering the atomization chamber 20 will cause the smoke to condense and form a condensate that is absorbed by the oil absorbing element 6, so as to prevent the liquid from being taken away by the smoke and sucked by the user, or excessive liquid accumulation causing liquid leakage.

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  • Electrostatic Spraying Apparatus (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un ensemble noyau d'atomisation, un dispositif d'atomisation d'une cigarette électronique et une cigarette électronique. L'ensemble noyau d'atomisation est conçu pour former un joint d'étanchéité avec un boîtier (1) d'une cigarette électronique. L'ensemble noyau d'atomisation comprend un corps poreux (31) et un ensemble corps chauffant, le corps poreux ayant une surface d'absorption de liquide et une surface d'atomisation ; l'ensemble corps chauffant étant disposé sur la surface d'atomisation du corps poreux (31) ; le corps poreux étant pourvu d'un premier trou traversant (311) ; et le premier trou traversant (311) pénétrant dans la surface d'absorption de liquide et la surface d'atomisation. L'ensemble noyau d'atomisation est pourvu d'un canal de ventilation qui pénètre de la surface d'atomisation dans la surface d'absorption de liquide.
PCT/CN2021/122911 2021-08-19 2021-10-09 Ensemble noyau d'atomisation, dispositif d'atomisation de cigarette électronique et cigarette électronique Ceased WO2023019703A1 (fr)

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CN202121980992.0 2021-08-19
CN202121980992.0U CN216088899U (zh) 2021-08-19 2021-08-19 雾化芯组件、电子烟雾化装置及电子烟

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CN218605062U (zh) * 2022-07-04 2023-03-14 比亚迪精密制造有限公司 用于电子烟的雾化芯、用于电子烟的烟弹和电子烟
CN218790499U (zh) * 2022-07-04 2023-04-07 比亚迪精密制造有限公司 用于电子烟的雾化芯、用于电子烟的烟弹和电子烟
CN222017731U (zh) * 2024-02-02 2024-11-19 沃德韦国际控股有限公司 雾化器及电子雾化装置

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