WO2023040836A1 - Dispositif d'atomisation électronique et atomiseur associé - Google Patents

Dispositif d'atomisation électronique et atomiseur associé Download PDF

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Publication number
WO2023040836A1
WO2023040836A1 PCT/CN2022/118498 CN2022118498W WO2023040836A1 WO 2023040836 A1 WO2023040836 A1 WO 2023040836A1 CN 2022118498 W CN2022118498 W CN 2022118498W WO 2023040836 A1 WO2023040836 A1 WO 2023040836A1
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WO
WIPO (PCT)
Prior art keywords
atomizing
atomization
base
atomizer
channel
Prior art date
Application number
PCT/CN2022/118498
Other languages
English (en)
Chinese (zh)
Inventor
曾祥龙
杨纪永
Original Assignee
深圳麦克韦尔科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳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 CN202290000136.0U priority Critical patent/CN221128829U/zh
Publication of WO2023040836A1 publication Critical patent/WO2023040836A1/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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • 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
    • 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 invention relates to the field of atomization, in particular to an electronic atomization device and an atomizer thereof.
  • Electronic atomization devices are used to heat atomize a nebulizable liquid matrix to generate an aerosol for absorption.
  • the loss of smoke in the airway is relatively large.
  • the fewer the corners of the air passage for the smoke atomized by the atomizing core the less the loss of the smoke will be.
  • the atomization surface of the atomization core is mostly facing downward, and the smoke usually has to turn at least 2 to 3 90° corners to converge in the central trachea, which results in a large amount of smoke and large particles Aerosol loss at corner locations.
  • the technical problem to be solved by the present invention is to provide an improved atomizer and an electronic atomization device having the atomizer in view of the above-mentioned defects of the prior art.
  • the technical solution adopted by the present invention to solve its technical problem is: construct a kind of atomizer, comprise:
  • a housing with an atomizing chamber and an air inlet channel and an output channel respectively communicating with the atomizing chamber;
  • an atomizing core accommodated in the housing and including an atomizing surface
  • the atomization surface defines part of the boundary of the atomization chamber
  • the axis of the air inlet channel is set at a first included angle with the atomizing surface
  • the axis of the output channel is set at a second included angle with the atomizing surface, the first included angle, the second included angle
  • the included angles are all acute angles.
  • the ranges of the first included angle and the second included angle are both 5°-85°.
  • the axis of the inlet channel is parallel to the axis of the output channel.
  • the cross-sectional area of the atomization chamber gradually decreases from an end close to the inlet channel to an end close to the output channel.
  • the atomizer further includes a base at least partially accommodated in the casing, and the air inlet channel is formed on the base.
  • the base includes an extension part, and the extension part surrounds the atomization surface to form the atomization chamber.
  • the extension part includes a first side opposite to the atomizing surface and two second sides respectively located on two opposite sides of the first side, the first side, the The atomizing surface and the two second side surfaces together define the atomizing chamber.
  • the first side includes an input surface close to the air intake channel, and an angle is formed between the input surface and the atomization surface, so that the input surface and the atomization surface The distance between them gradually decreases or increases gradually from one end close to the inlet channel to one end close to the output channel.
  • each of the second sides includes an air inlet surface close to the inlet channel and an air outlet surface close to the output channel, and an air outlet surface is formed between the two second side surfaces. There is an included angle, so that the distance between the air outlet surfaces of the two second side surfaces gradually decreases from an end far away from the output channel to an end close to the output channel.
  • the air intake surfaces of the two second side surfaces are arranged in parallel and at intervals.
  • the extension part includes two supporting surfaces, and the two ends of the atomizing surface are hermetically attached to the two supporting surfaces respectively.
  • the base further includes a base, the extension part is integrally connected to the upper end surface of the base, and the air intake channel is formed by extending downward from the upper end surface of the base.
  • the atomizer further includes a heating seat mated with the base, and the atomizing core is accommodated between the base and the heating seat.
  • the atomizer further includes two electrode connectors disposed on the base, and the two electrode connectors are respectively electrically connected to the two poles of the atomizing core.
  • the atomizer further includes a seal
  • the two electrode connectors press against the atomizing core, and then press the atomizing core against the heating seat through the sealing member.
  • the two electrode connectors are conductive metal sheets or conductive pillars.
  • the heating seat includes a side peripheral surface and a cavity recessed from the side peripheral surface, and the atomizing core is accommodated in the cavity.
  • the present invention also provides an electronic atomization device, including the atomizer according to any one of the above items.
  • the atomization surface is set at an included angle to the axes of the air inlet channel and the output channel, so that the air flow is uniform during the process of entering the atomization chamber from the air inlet channel and entering the output channel from the atomization chamber. Only one deflection, and the deflection angle is less than 90°, the air flow is smoother, and the smoke loss is less.
  • Fig. 1 is a schematic diagram of the three-dimensional structure of the electronic atomization device in the first embodiment of the present invention
  • Fig. 2 is a schematic diagram of an exploded structure of the electronic atomization device shown in Fig. 1;
  • Fig. 3 is a schematic longitudinal sectional view of the atomizer in Fig. 2;
  • Fig. 4 is a top view structural schematic diagram of the housing in Fig. 3;
  • Fig. 5 is a schematic diagram of the three-dimensional structure of the atomization assembly in Fig. 3;
  • Fig. 6 is a schematic diagram of the A-A longitudinal sectional structure of the atomization assembly shown in Fig. 5;
  • Fig. 7 is a schematic diagram of the B-B longitudinal sectional structure of the atomization assembly shown in Fig. 5;
  • Fig. 8 is a schematic diagram of an exploded structure of the atomization assembly shown in Fig. 5;
  • Fig. 9 is a schematic diagram of an exploded structure of the atomization assembly shown in Fig. 5 from another angle;
  • Fig. 10 is a schematic longitudinal sectional view of the atomizer in the second embodiment of the present invention.
  • Fig. 11 is a schematic longitudinal sectional structural view of the atomization assembly in Fig. 10 .
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.
  • the first feature being "above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • the fact that the first feature is "below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontal than the second feature.
  • the electronic atomization device 1 includes an atomizer 100 and a power supply device 200 mated with the atomizer 100 .
  • the power supply device 200 generally includes a battery for powering the atomizer 100 and a control circuit for controlling heat generation of the atomizer 100 .
  • the atomizer 100 is used for accommodating a liquid matrix and heating and atomizing the liquid matrix to generate an aerosol after being powered on.
  • both the atomizer 100 and the power supply device 200 can be roughly oval columnar, and both can be mechanically and electrically connected together along the axial direction.
  • the atomizer 100 and the power supply device 200 can be connected together in detachable ways such as magnetic connection, screw connection, and buckle connection. Understandably, in other embodiments, the atomizer 100 and the power supply device 200 may also be connected together in a non-detachable manner.
  • the cross-sectional shape of the atomizer 100 and/or the power supply device 200 is not limited to being an ellipse, and it may also be in other shapes such as a circle, a racetrack, or a rectangle.
  • the atomizer 100 may include a housing 10 and an atomizing assembly 20 accommodated in a lower portion of the housing 10 .
  • a liquid storage cavity 110 for accommodating a liquid matrix and an output channel 120 isolated from the liquid storage cavity 110 for delivering aerosol are formed in the casing 10 .
  • the output channel 120 can extend longitudinally, and the upper end of the output channel 120 has an output port 121 communicating with the outside world.
  • the atomizing assembly 20 includes a base 30 , a heating seat 40 matched with the base 30 , and an atomizing core 50 accommodated between the base 30 and the heating seat 40 .
  • the atomizing core 50 is in liquid communication with the liquid storage chamber 110 and is in air communication with the output channel 120. When the user inhales at the output port 121, the atomizing core 50 atomizes the liquid matrix to form an aerosol, and the aerosol passes through the output Channel 120 reaches output port 121 for absorption by the user.
  • the housing 10 can be integrally formed by injection molding or the like, and can include a cylindrical shell 11 and an air duct 12 longitudinally disposed in the cylindrical shell 11 .
  • the cylindrical casing 11 can be roughly oval cylindrical with an open lower end, and a cavity is formed around the sidewall of the cylindrical casing 11 .
  • the ventilation pipe 12 can be integrally connected with the top wall of the cylindrical shell 11 , and can be integrally connected with the inner wall surface of the short axis side of the cylindrical shell 11 .
  • the vent pipe 12 separates the cavity in the cylindrical housing 11 into a liquid storage chamber 110 and an output channel 120 .
  • the casing 10 may further include at least one limiting wall 13 for installing and limiting the atomization assembly 20 .
  • there are two limiting walls 13 and the two limiting walls 13 both extend longitudinally and respectively protrude from two opposite sides of the cavity wall of the liquid storage cavity 110 .
  • One of the limiting walls 13 is integrally connected with the inner wall surface on the other side of the short axis of the cylindrical housing 11, and the other limiting wall 13 is connected with the side wall surface of the vent pipe 12 facing the liquid storage chamber 110 and the top wall of the cylindrical housing 11. All in one connection.
  • the two limiting walls 13 are integrally connected with the top wall of the cylindrical shell 11 , which facilitates the shell 10 to be demolded up and down.
  • the atomizing core 50 includes a porous base 51 and a heating element 52 in contact with the porous base 51 .
  • the porous matrix 51 can be made of a porous ceramic material, so that a large number of micropores are formed inside the porous matrix 51 and have a certain porosity. Through the capillary action of the micropores, the porous matrix 51 can absorb and buffer liquid base.
  • the porous matrix 51 has an atomizing surface 511 and a liquid absorbing surface 512 , the liquid absorbing surface 512 communicates with the liquid storage chamber 110 , and the atomizing surface 511 contacts the heating element 52 .
  • the porous matrix 51 absorbs the liquid matrix from the liquid storage chamber 110 through the liquid absorption surface 512 and transmits the liquid matrix to the atomizing surface 511 , and the heating element 52 heats and atomizes the liquid matrix adsorbed by the porous matrix 51 after being energized.
  • the porous matrix 51 may be roughly in the shape of a rectangular plate with a relatively thin thickness.
  • the atomizing surface 511 and the liquid absorbing surface 512 are parallel to each other, which may be two surfaces of the porous matrix 51 opposite to each other in the thickness direction.
  • the porous matrix 51 is not limited to be in the shape of a rectangular plate.
  • the positions of the atomizing surface 511 and the liquid-absorbing surface 512 are not limited, for example, the atomizing surface 511 and the liquid-absorbing surface 512 can also be two adjacent surfaces of the porous substrate 51, and for another example, the atomizing surface 511 or
  • the liquid absorbing surface 512 may include one surface of the porous substrate 51 in the thickness direction and one or more side surfaces adjacent to the surface.
  • the heating element 52 may include a heating part 521 and two electrode parts 522 respectively connected to two ends of the heating part 521 , and the heating part 521 is connected to an external power source through the two electrode parts 522 .
  • the two electrode parts 522 can be arranged close to the two side edges of the atomizing surface 511 along the length direction, and the heating part 521 extends non-linearly between the two electrode parts 522, such as extending in an S-shape or a broken line, which can facilitate increasing The heating area of the heating portion 521 is large.
  • the heating element 52 can be a heating film, which can be formed on the green body of the porous substrate 51 by using conductive paste by screen printing, printing or spraying, and then integrally sintered with the porous substrate 51 .
  • the heating element 52 can also be a separately formed metal heating sheet or metal heating wire or other heating element structure, and then combined with the porous matrix 51 by sintering or other means.
  • the atomization assembly 20 may further include a guide liquid 60 , which is in contact with the liquid absorption surface 512 , and can conduct the liquid matrix from the liquid storage chamber 110 to the liquid absorption surface 512 quickly and uniformly.
  • the guide liquid 60 can be made of porous materials such as porous ceramics and guide cotton, and can be in the shape of a rectangular plate. The projection of the conductive liquid 60 on the atomizing surface 511 can completely cover the heating portion 521 or at least cover most of the heating portion 521 , so that the liquid matrix can be quickly supplied to the heating portion 521 .
  • the atomization assembly 20 may further include a seal 70 on which the atomization core 50 and the guide liquid 60 are mounted.
  • the sealing member 70 can be made of insulating, elastic and high-temperature-resistant materials such as silica gel, and can wrap at least part of the periphery of the atomizing core 50 . On the one hand, the sealing member 70 can prevent liquid leakage, and on the other hand, it can protect the atomizing core 50 from being crushed during installation.
  • the sealing member 70 may have a rectangular frame structure, and a liquid inlet 710 is disposed through it along the thickness direction.
  • the projection of the liquid inlet 710 on the atomizing surface 511 can completely cover the heating portion 521 or at least cover most of the heating portion 521 , so that the liquid matrix can be quickly supplied to the heating portion 521 .
  • the sealing member 70 may include two first frames 71 opposite in the length direction and two second frames 72 opposite in the width direction, the two first frames 71 and the two second frames 72 surround A liquid inlet 710 is formed.
  • the length of the liquid inlet 710 is shorter than the length of the guiding body 60 , so that both ends of the length of the guiding body 60 can abut against the edges of the length of the liquid inlet 710 .
  • the width of the liquid inlet 710 is greater than the width of the guide liquid 60, so that the two end surfaces of the guide liquid 60 in the width direction are respectively spaced from the two ends of the width of the liquid inlet 710, and the width of the guide liquid 60 in the width direction
  • the two end surfaces can also be used for liquid inlet, thereby increasing the liquid inlet area of the guide body 60 .
  • two first frames 71 can respectively form a slot 712 , and the two ends of the length of the guide liquid 60 can be respectively snapped into the slot 712 to realize the installation and fixation of the guide liquid 60 on the sealing member 70 .
  • the width of the liquid inlet 710 may also be less than or equal to the width of the guiding body 60 , and at this time, the length of the liquid inlet 710 may be greater than, less than or equal to the length of the guiding body 60 .
  • the length and width of the porous matrix 51 are respectively greater than the length and width of the liquid inlet 710, so that the porous matrix 51 can completely cover the liquid inlet 710 to prevent liquid leakage.
  • the four edges of the porous matrix 51 abut against the four frames of the sealing member 70 respectively, and are sealingly engaged with the four frames of the sealing member 70 .
  • Several ring-shaped protrusions 73 can be protruded on the four frames of the sealing member 70, and the four edges of the porous matrix 51 can lean against the several ring-shaped protrusions 73 and connect with the several ring-shaped protrusions.
  • the two first frames 71 can also respectively form an embedding groove 711 , and both ends of the length of the porous matrix 51 can be respectively embedded in the embedding groove 711 , so as to realize the installation and fixing of the porous matrix 51 on the sealing member 70 .
  • An air inlet passage 310 and an atomization chamber 250 are formed in the atomization assembly 20 , and the atomization chamber 250 communicates with the air inlet passage 310 and the output passage 120 respectively.
  • the atomizing surface 511 is exposed in the atomizing chamber 250 , and it can define part of the border of the atomizing chamber 250 .
  • the heating element 52 When the heating element 52 generates heat, the liquid matrix on the atomizing surface 511 and the liquid matrix soaked in the heating element 52 will absorb heat and atomize to form an aerosol, and the aerosol is discharged into the atomizing chamber 250 .
  • the ambient air input from the intake channel 310 into the atomization chamber 250 carries the aerosol into the output channel 120 and reaches the output port 121 to be absorbed by the user.
  • the atomizing surface 511 is set at a certain angle with the central axis of the inlet channel 310 and the central axis of the output channel 120 respectively, and the range of the angle may be 5°-85°.
  • the axial direction of the inlet passage 310 and the axial direction of the output passage 120 are parallel to the axial direction of the atomizer 100 .
  • the atomizing surface 511 is arranged obliquely, forming an included angle ⁇ with the axial direction of the atomizer 100 , and the range of ⁇ may be 5°-85°.
  • the inlet channel 310 and the output channel 120 communicate with the lower end and the upper end of the atomization chamber 250 respectively.
  • the air flow enters the atomizing chamber 250 from the bottom, passes through the atomizing surface 511 , and brings out the aerosol atomized on the atomizing surface 511 to the output channel 120 .
  • the airflow passes through only one corner during the process of entering the atomizing chamber 250 from the inlet channel 310 and entering the output channel 120 from the atomizing chamber 250, and the corner is not a right angle of 90°, but a clip greater than 90°. Angle, so that the deflection angle of the airflow in the process of flowing into and out of the atomizing chamber 250 is less than 90°, the airflow is smoother, and the loss of smoke is less.
  • the speed Va of the airflow entering the atomization chamber 250 from the air inlet passage 310 is much greater than V Z
  • the partial velocity V Z of the large particle aerosol in the Z direction is offset by the airflow velocity of the air inlet passage 310, and will give it Add a Z velocity of (V – Vz).
  • This can greatly reduce the injection velocity of the large-particle aerosol in the X direction (that is, the sub-velocity V X ), reduce the possibility of the large-particle aerosol spraying on the side wall and cause the wall to stick, and make the mouth of the smoker more acceptable.
  • the human body has a better taste for aroma and sweetness.
  • the base 30 may include a base portion 31 and an extension portion 32 extending upward from the top surface of the base portion 31 .
  • the extension portion 32 includes a first side 321 and two second sides 322 respectively located on two opposite sides of the first side 321 in the transverse direction.
  • the first side 321 is opposite to the atomizing surface 511 at intervals, and the first side 321 , the atomizing surface 511 and the two second sides 322 together form the atomizing chamber 250 .
  • An included angle is formed between the first side 321 and the atomizing surface 511, so that the space between the first side 321 and the atomizing surface 511 is in a constricted structure, that is, the distance between the first side 321 and the atomizing surface 511 Decreases from bottom to top.
  • This structure makes the cross-sectional area of the atomization chamber 250 gradually decrease from the bottom inlet end to the top outlet end, so that the smoke converges from the bottom of the atomization chamber 250 to the output channel 120, making the smoke more concentrated and reducing smoke residue.
  • the two second side surfaces 322 are located along the length direction of the base 30 and can be arranged symmetrically with respect to the central axis of the base 30 .
  • Each second side 322 includes an air intake surface 3221 located at the lower portion close to the intake passage 310 and an air outlet surface 3222 located at the upper portion away from the intake passage 310 .
  • the air inlet surfaces 3221 of the two second side surfaces 322 are arranged in parallel and at intervals, and an angle is formed between the air outlet surfaces 3222 of the two second side surfaces 322, so that a contraction structure is also formed between the two air outlet surfaces 3222, that is, two The distance between the air outlet surfaces 3222 decreases gradually from the bottom to the top.
  • the constriction port structure of the atomization chamber 250 is not limited to the above-mentioned formation method, for example, the two air inlet surfaces 3221 can also be arranged at an angle; for another example, the two second side surfaces 322 can also be asymmetrical For example, one second side 322 is arranged vertically, and the other second side 322 is arranged obliquely.
  • the first side 321 and the atomizing surface 511 can also be arranged in parallel and spaced apart, so that the upper half of the atomizing chamber 250 corresponding to the air outlet surface 3222 has a constricted opening structure, and the lower part corresponding to the air inlet surface 3221 The cross-sectional area of the half remains constant.
  • the cross-sectional area of the entire atomization chamber 250 can also remain unchanged from bottom to top.
  • the atomizing chamber 250 may also have a diverging port structure, for example, the distance between the first side 321 and the atomizing surface 511 gradually increases from the bottom to the top.
  • the extension part 32 also includes two supporting surfaces 323, the two supporting surfaces 323 are parallel to the atomizing surface 511, and the two supporting surfaces 323 can directly or indirectly press against the atomizing surface 511 to fix the mist. Chemical core 50.
  • the two supporting surfaces 323 respectively press against the two first frames 71 of the sealing member 70 and are sealingly attached to the two first frames 71 .
  • the base 31 is roughly oval plate-shaped and is embedded in the lower opening of the cylindrical housing 11 .
  • the outer peripheral surface of the base 31 is in tight fit with the inner peripheral surface of the cylindrical housing 11 to prevent liquid leakage.
  • the base portion 31 and the cylindrical shell 11 can be fixed to each other by a buckle connection.
  • buckles 312 protrude from the outer peripheral surfaces on both sides of the base portion 31 along the length direction, and locking grooves 111 are formed on the inner walls of the cylindrical shell 11 along the length direction.
  • the buckle 312 is buckled with the slot 111 , so that the base 30 and the housing 10 are buckled and fixed.
  • the air intake passage 310 may be longitudinally formed on the base 31 , and may be formed by extending the top surface of the base 31 longitudinally downward.
  • the multiple air intake passages 310 are conducive to uniform air intake and improved swirl flow. It can be understood that, in other embodiments, there may be only one air intake channel 310, and/or, the extending direction of the air intake channel 310 may also be along a horizontal direction or an inclined direction.
  • the bottom surface of the base portion 31 can also extend longitudinally upward to form at least one introduction channel 311 , and the upper end of the at least one introduction channel 311 communicates with the lower end of the air intake channel 310 .
  • the atomization assembly 20 may further include two electrode connectors 90 disposed on the base 30 , and the two electrode connectors 90 are respectively electrically connected to the two electrode portions 522 of the heating element 52 .
  • One end of the electrode connector 90 can be embedded on the base 31 and fixed, and the other end can lean against the electrode portion 522 and conduct with the electrode portion 522 .
  • the electrode connecting piece 90 may or may not be elastic, and the electrode connecting piece 90 presses against the electrode part 522 , and then presses the atomizing core 50 against the heating seat 40 via the sealing piece 70 .
  • the electrode connector 90 is connected to the electrode part 522 by extrusion, and the extrusion stress is absorbed by the sealing member 70 to prevent the atomizing core 50 from breaking and ensure the reliability of the electrical connection between the electrode connector 90 and the electrode part 522 .
  • the number of electrode connectors 90 is not limited to two, and may also be one or more than two.
  • the sealing member 70 may not be provided, and at this time, the electrode connecting member 90 may elastically press against the electrode portion 522 .
  • the electrode connector 90 may include a conduction part 91 for conducting with the electrode part 522 , an external connection part 92 for conducting with the power supply device 200 , and a connection part 93 connecting the conduction part 91 and the external connection part 92 .
  • the electrode connector 90 is a conductive metal sheet.
  • the connecting portion 93 is in the shape of a sheet and is disposed on the bottom surface of the base 30 , so as to be in contact with and conduct on the electrode posts in the power supply device 200 .
  • the connecting portion 93 is elongated, the lower end of the connecting portion 93 is connected to the outer connection portion 92 , and the upper end passes through the base portion 31 and is connected to the conducting portion 91 .
  • the conduction portion 91 may be roughly spoon-shaped, and the bottom surface of the spoon of the conduction portion 91 is an arc surface, so as to better contact the electrode portion 522 and avoid scratching the electrode portion 522 . It can be understood that in other embodiments, the electrode connecting member 90 may also be in other shapes such as a column.
  • the two electrode connectors 90 can be respectively disposed on two opposite sides of the introduction channel 311 , and the two electrode connectors 90 and the introduction channel 311 are arranged along the length direction of the base 31 .
  • the electrode connector 90 and the base 30 may be combined by injection molding.
  • the electrode connector 90 and the base 30 may also be fixed together by other detachable or non-detachable ways.
  • the heating seat 40 is arranged above the base 30 , and the heating seat 40 cooperates with the base 30 to clamp and fix the atomizing core 50 .
  • the heating seat 40 may include a main body 41 and a socket portion 42 extending upward from a top surface of the main body 41 .
  • the lower end surface of the main body portion 41 can abut against the upper end surface of the base portion 31 .
  • the main body 41 has a side peripheral surface 411, and the side peripheral surface 411 is inwardly recessed to form a cavity 412, so that the cavity 412 has an opening on the side peripheral surface 411, and the atomizing core 50 can be installed from the opening. into the cavity 412.
  • a liquid inlet 413 is also formed on the cavity wall of the cavity 412 , so that the liquid matrix can be absorbed by the guiding liquid 60 through the liquid inlet 413 .
  • the liquid inlet 413 is located on the bottom surface of the cavity 412 opposite to the side peripheral surface 411 .
  • the liquid inlet 413 communicates with the liquid inlet 710 , and the opening size (length and width dimensions) of the liquid inlet 413 may be the same as or approximately the same as the opening size (length and width dimensions) of the liquid inlet 710 .
  • a liquid inlet channel 420 communicating with the liquid inlet 413 is also formed concavely on the top surface of the sleeve portion 42 .
  • the extension part 32 of the base 30 can be at least partially accommodated in the cavity 412 , and the top of the extension part 32 can lean against the top wall of the cavity 412 .
  • a notch 414 can also be formed on the top wall of the cavity 412 , and the notch 414 can be formed by inward depression of the top of the side peripheral surface 411 .
  • the notch 414 cooperates with the inner wall of the cylindrical housing 11 to jointly define a communication port 4140 communicating with the atomizing chamber 250 and the output channel 120 .
  • the heating seat 40 and the base 30 can also be fixed together by a buckle connection.
  • the top surface of the base 31 extends upwards to form two clamping columns 33, which can be respectively located on both sides of the extension portion 32 along the length direction, and each clamping column 33 is formed with a clamping Hook 331.
  • the bottom surface of the heating seat 40 is respectively formed with two installation grooves 416 corresponding to the two clamping posts 33 , and each installation groove 416 is protruded or recessed to form a buckling portion 415 that is buckled with the hook 331 .
  • the clamping column 33 can be inserted into the mounting groove 416 from the bottom opening of the mounting groove 416, and the hook 331 on the clamping column 33 and the buckling part 415 in the mounting groove 416 are engaged with each other to realize the interaction between the heating seat 40 and the base 30. Snap to secure. Further, the two installation grooves 416 can communicate with the cavity 412, which is convenient for processing and manufacturing.
  • the liquid guide 60 and the atomizing core 50 can be assembled on the sealing member 70 in sequence, and then the combination of the sealing member 70, the liquid conducting 60 and the atomizing core 50 can be assembled into the cavity 412; finally, the The heating seat 40 is placed horizontally, with the opening of the cavity 412 facing upwards, and the base 30 is loaded into the heating seat 40 in parallel.
  • a ventilation channel 43 can also be formed on the heating seat 40, and the ventilation channel 43 communicates the liquid storage chamber 110 with the outside atmosphere, and is used to balance the pressure in the liquid storage chamber 110 and solve the problem caused by the liquid storage.
  • the negative pressure in the chamber 110 is too large to stabilize the liquid.
  • the ventilation channel 43 includes a main channel 432 formed on the side of the heating seat 40 , a ventilation port 431 formed on the top surface of the heating seat 40 , and a communication port 433 formed on the bottom surface of the heating seat 40 .
  • there may be a plurality of main channels 432 and the plurality of main channels 432 may extend longitudinally and be formed on a side of the heating seat 40 opposite to the side peripheral surface 411 .
  • the communication opening 433 extends laterally and can be concavely formed on the bottom surface of the heating seat 40 , which connects the lower ends of the plurality of main passages 432 with the upper end of the air intake passage 310 .
  • the ventilation port 431 extends laterally and can be formed by a concave top surface of the heating seat 40 , which communicates the upper ends of the plurality of main channels 432 with the liquid inlet channel 420 .
  • the cross-sectional dimensions of the ventilation channel 43 are set reasonably, so that the liquid matrix has a large resistance along the way in the ventilation channel 43 and is difficult to pass through the ventilation channel 43. Leakage, and at the same time, the resistance of gas along the way in the ventilation channel 43 is small so that the gas can be ventilated through the ventilation channel 43, ensuring that the ventilation channel 43 has a good function of guiding gas and preventing liquid.
  • the outside air will enter the liquid storage chamber 110 through the ventilation channel 43 to fill the release space, avoiding liquid storage.
  • the air pressure in the chamber 110 is lower than the outside air pressure, which causes the liquid matrix in the liquid storage chamber 110 to be unsmooth, and prevents the atomizing core 50 from dry burning due to the consumption rate of the liquid matrix being faster than the supply speed.
  • the atomization assembly 20 may further include a sealing sleeve 80 sleeved on the sleeve portion 42 .
  • the sealing sleeve 80 is annular, and a lower liquid port 81 is formed longitudinally through it.
  • the lower liquid port 81 communicates with the upper end of the liquid inlet channel 420 , and the shape and size of the lower liquid port 81 can match the shape and size of the upper end inlet of the liquid inlet channel 420 .
  • the sealing sleeve 80 can be made of elastic material such as silica gel, and it can be sealed between the wall of the liquid storage chamber 110 and the outer wall of the sleeve portion 42 .
  • the upper end surface of the sealing sleeve 80 can abut against the lower end surface of the limiting wall 13 .
  • the cross-sectional shape of the sealing sleeve 80 is roughly oval with one side concave, and the side of the sealing sleeve 80 facing the air duct 12 is concavely formed with an inner concave portion 82, which can wrap the air duct 12 and seal with the air duct 12 cooperate to ensure the sealing isolation between the liquid storage chamber 110 and the output channel 120 .
  • 10-11 show the atomizer 100 in the second embodiment of the present invention.
  • the main difference between it and the above-mentioned first embodiment is that the lower part of the atomization chamber 250 has an expanding opening structure, and the upper part has a contracting opening structure.
  • the air duct 12 is tubular and can be integrally extended downwards from the top wall of the cylindrical housing 11 , and the inner wall of the air duct 12 defines the output channel 120 .
  • An annular space is formed between the outer wall of the vent pipe 12 and the inner wall of the cylindrical casing 11 , and the annular space defines the liquid storage chamber 110 .
  • the base 30 in this embodiment also has a first side 321 opposite to the atomizing surface 511 and two second side surfaces 322 respectively located on opposite sides of the first side 321 in the transverse direction.
  • the one side 321 , the atomizing surface 511 and the two second sides 322 jointly define the atomizing chamber 250 .
  • the atomizing chamber 250 includes an air inlet section 251 located at the lower part and communicated with the inlet channel 310 and an air outlet section 252 located at the upper part and communicated with the output channel 120 .
  • the cross-sectional area of the inlet section 251 gradually increases from bottom to top, and the cross-section of the gas outlet section 252 gradually decreases from bottom to top, where the smoke converges to the output channel 120 .
  • the first side 321 may include a lower input surface 3211 and an upper output surface 3212 .
  • An air inlet section 251 is defined between the input surface 3211 and the atomizing surface 511
  • an air outlet section 252 is defined between the output surface 3212 and the atomizing surface 511 .
  • the input surface 3211 is vertically arranged, and the atomizing surface 511 is inclined at a certain angle with the vertical direction, so that the distance between the input surface 3211 and the atomizing surface 511 gradually increases from bottom to top , so that the cross-sectional area of the intake section 251 gradually increases from bottom to top.
  • the output surface 3212 is an arc surface whose arc center is away from the atomizing surface 511 , so that the distance between the input surface 3211 and the atomizing surface 511 gradually decreases from bottom to top. Further, the input surface 3211 and the output surface 3212 can be connected smoothly through the arc surface 3213, the arc center of the arc surface 3213 faces the atomizing surface 511, and the upper and lower ends of the arc surface 3213 are connected with the output surface 3212 and the input surface 3211 respectively. Tangential to improve eddy currents.
  • the formation structure of the atomization chamber 250 is not limited to the above-mentioned embodiment, for example, the input surface 3211 can also be inclined at a certain angle with the vertical direction, and another example is the output surface 3212 Inclined or vertical planes may also be included.
  • the electrode connector 90 in this embodiment also includes a conduction portion 91 , an external connection portion 92 and a connection portion 93 .
  • the connecting portion 93 extends vertically, and can pass through the base portion 31 of the base 30 along the longitudinal direction.
  • the outer connecting portion 92 is at least partially exposed on the bottom surface of the base 30 , and can be formed by bending the lower end of the connecting portion 93 along the transverse direction.
  • the conducting portion 91 can be formed by bending the upper end of the connecting portion 93 , which can have a substantially U-shaped or V-shaped structure.
  • the side surface of the conduction part 91 in contact with the electrode part 522 is an arc surface, and the conduction part 91 abuts against the electrode part 522 through the arc surface, and then presses the atomizing core 50 against the heating seat 40 through the sealing member 70 .
  • the bottom of the base 30 may also be embedded with a magnetic component 34 for magnetic connection with the power supply device 200 .

Landscapes

  • Nozzles (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

L'invention concerne un atomiseur comprenant : un boîtier (10), une cavité d'atomisation (250) et un canal d'admission d'air (310) ainsi qu'un canal de sortie (120), qui sont respectivement en communication avec la cavité d'atomisation (250), étant formés à l'intérieur du boîtier ; et un noyau d'atomisation (50), qui est logé à l'intérieur du boîtier (10) et comprend une surface d'atomisation (511). La surface d'atomisation (511) délimite une partie de la limite de la cavité d'atomisation (250) ; et un axe du canal d'admission d'air (310) et la surface d'atomisation (511) sont agencés selon un premier angle inclus, un axe du canal de sortie (120) et la surface d'atomisation (511) sont agencés selon un second angle inclus et les premier et second angles inclus sont tous deux des angles aigus, de telle sorte qu'un flux d'air est dévié uniquement une fois pendant les processus d'entrée dans la cavité d'atomisation (250) à partir du canal d'admission d'air (310) et d'entrée dans le canal de sortie (120) de la cavité d'atomisation (250), et l'angle de déviation est inférieur à 90°, de telle sorte que la circulation d'écoulement d'air est plus lisse et que la perte de vapeur est faible. L'invention concerne en outre un dispositif d'atomisation électronique.
PCT/CN2022/118498 2021-09-14 2022-09-13 Dispositif d'atomisation électronique et atomiseur associé WO2023040836A1 (fr)

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WO2024200748A1 (fr) * 2023-03-29 2024-10-03 Philip Morris Products S.A. Ensemble dispositif de chauffage à corps poreux

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WO2024032475A1 (fr) * 2022-08-12 2024-02-15 常州市派腾电子技术服务有限公司 Ensemble atomisation, dispositif d'atomisation et dispositif de génération d'aérosol
CN117814533A (zh) * 2022-09-29 2024-04-05 深圳麦克韦尔科技有限公司 雾化器及电子雾化装置
CN118141161A (zh) * 2022-12-05 2024-06-07 思摩尔国际控股有限公司 电子雾化装置及其雾化器

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CN221128829U (zh) 2024-06-14
CN221489081U (zh) 2024-08-09
CN115804480A (zh) 2023-03-17
CN115918987A (zh) 2023-04-07
CN113892696A (zh) 2022-01-07

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