CN115804480A

CN115804480A - Electronic atomization device and atomizer thereof

Info

Publication number: CN115804480A
Application number: CN202211124336.XA
Authority: CN
Inventors: 曾祥龙; 杨纪永
Original assignee: Shenzhen Smoore Technology Ltd
Current assignee: Shenzhen Smoore Technology Ltd
Priority date: 2021-09-14
Filing date: 2022-09-13
Publication date: 2023-03-17
Also published as: WO2023040837A1; CN221128829U; CN221489081U; WO2023040836A1; CN115918987A; CN113892696A

Abstract

The invention discloses an electronic atomization device and an atomizer thereof, wherein the atomizer comprises: a housing having a liquid storage chamber formed therein; the heating seat is accommodated in the shell; and the atomizing assembly is at least partially accommodated in the heating seat and comprises a liquid absorbing surface. The liquid absorption surface is parallel to the axis of the atomizer or forms an included angle with the axis of the atomizer. The heating seat faces towards the end face of one end of the liquid storage cavity, a liquid outlet is formed in the end face of the heating seat in an inwards concave mode, the liquid outlet comprises a main liquid outlet and at least one extended liquid outlet extending outwards from at least one side of the main liquid outlet, and a liquid outlet hole communicated with the liquid suction surface is formed in the heating seat. By enlarging the liquid discharge area of the liquid discharge port, the liquid guide capacity of the liquid discharge port is enhanced, the scorched smell risk caused by unsmooth liquid discharge is reduced, and the residual quantity of the liquid matrix is small when the liquid matrix is pumped to the end.

Description

Electronic atomization device and atomizer thereof

Technical Field

The invention relates to the field of atomization, in particular to an electronic atomization device and an atomizer thereof.

Background

Electronic atomization devices are used to heat atomize an aerosolizable liquid substrate to generate an absorbable aerosol. The existing electronic atomization device is characterized in that an atomization surface of an atomization assembly of the existing electronic atomization device is laterally or obliquely arranged, a liquid discharge hole for conveying liquid matrix to the atomization assembly is generally designed to be long-strip-shaped, the liquid discharge area is small, the liquid matrix is easy to remain more when being pumped to the last (namely when the liquid matrix in a liquid storage cavity is about to be used up), and the risk of scorched smell caused by unsmooth liquid discharge exists.

Disclosure of Invention

The present invention is directed to an improved atomizer and an electronic atomizer having the same, which overcome the above-mentioned drawbacks of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: constructing an atomizer comprising:

a housing having a liquid storage chamber formed therein;

the heating seat is accommodated in the shell; and

the atomizing assembly is at least partially accommodated in the heating seat and comprises a liquid absorbing surface;

the liquid absorption surface is parallel to the axis of the atomizer or forms an included angle with the axis of the atomizer;

the heating seat faces towards the end face of one end of the liquid storage cavity, a liquid outlet is formed in the end face of the heating seat in an inwards concave mode, the liquid outlet comprises a main liquid outlet and at least one extended liquid outlet extending outwards from at least one side of the main liquid outlet, and a liquid outlet hole communicated with the liquid suction surface is formed in the heating seat.

In some embodiments, the cross-sectional area of the lower port is more than one-fourth of the cross-sectional area of the reservoir chamber.

In some embodiments, the cross-sectional area of the lower port is more than one-half of the cross-sectional area of the reservoir chamber.

In some embodiments, a bottom surface of the cavity of the at least one extended lower port is sloped toward the main lower port to enable the liquid substrate within the at least one extended lower port to flow toward the main lower port under the influence of gravity.

In some embodiments, the at least one extended drain port comprises at least two extended drain ports, the at least two extended drain ports having the same or different cross-sectional areas.

In some embodiments, the lower fluid port further comprises a communicating lower fluid port communicating the at least two extended lower fluid ports.

In some embodiments, the bottom surface of the chamber communicating with the lower liquid outlet is inclined so that the liquid medium in the communicating lower liquid outlet can flow to the at least two extended lower liquid outlets under the action of gravity.

In some embodiments, the cross-sectional area of the weep hole is less than the cross-sectional area of the weep port.

In some embodiments, the axis of the lower liquid hole is parallel to or at an angle with respect to the liquid absorption surface.

In some embodiments, the atomizer further includes a sealing sleeve accommodated in the housing and sleeved on the heat generating seat, and a liquid inlet communicated with the lower liquid port is formed on the sealing sleeve.

In some embodiments, the liquid inlet and the liquid outlet are the same in cross-sectional shape and size.

In some embodiments, the seal cartridge further comprises a cover portion disposed within the liquid inlet and covering at least a portion of the liquid outlet.

In some embodiments, the cover portion covers at least a portion of the main lower fluid port.

In some embodiments, the at least one extended lower fluid port comprises two extended lower fluid ports, each of the two extended lower fluid ports being located on opposite sides of the main lower fluid port.

In some embodiments, the cover portion divides the liquid inlet into two sub liquid inlet ports which are not communicated with each other, and the cover portion covers the main lower liquid port and at least partially extends into the main lower liquid port.

In some embodiments, the cover portion divides the inlet into at least one auxiliary inlet in communication with the main lower inlet and at least one main inlet in communication with the at least one extended lower inlet.

In some embodiments, the atomization assembly further comprises an atomization surface, an air inlet channel communicated with the atomization surface is further formed in the shell, and an axis of the air inlet channel is parallel to or forms an included angle with the atomization surface.

In some embodiments, the atomizer further comprises a base at least partially received within the housing, the atomizing assembly being received between the heat-generating seat and the base.

The invention also provides an electronic atomization device which comprises the atomizer.

The implementation of the invention has at least the following beneficial effects: by enlarging the liquid discharging area of the liquid discharging port, the liquid guiding capacity of the liquid discharging port is enhanced, the scorched smell risk caused by unsmooth liquid discharging is reduced, and the residual quantity of the liquid matrix is small when the liquid matrix is pumped to the end.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic perspective view of an electronic atomizer device according to some embodiments of the present invention;

FIG. 2 is a schematic view of an exploded structure of the electronic atomizer shown in FIG. 1;

FIG. 3 is a schematic longitudinal cross-sectional view of the atomizer of FIG. 2;

FIG. 4 is a schematic perspective view of the atomizing body of FIG. 3;

FIG. 5 isbase:Sub>A schematic view of the longitudinal section A-A of the atomising body shown in FIG. 4;

FIG. 6 is a schematic view of the longitudinal cross-section B-B of the atomizing body of FIG. 4;

FIG. 7 is an exploded view of the atomizing body of FIG. 5;

FIG. 8 is a schematic view of another angular exploded view of the atomizing body of FIG. 5;

FIG. 9 is a schematic perspective view of a heat-generating base according to an alternative embodiment of the present invention;

fig. 10 is a schematic perspective view of a first alternative embodiment of the atomizing body according to the present invention;

FIG. 11 is a schematic longitudinal cross-sectional view of the atomizing body of FIG. 10;

figure 12 is a schematic perspective view of the sealing glove of a second alternative of the invention;

figure 13 is a schematic perspective view of the sealing glove according to a third alternative of the invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "width", "thickness", "front", "back", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are used merely for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "over" a second feature may be directly or diagonally over the first feature or may simply mean that the first feature is at a higher level than the second feature. A first feature "under" a second feature may be that the first feature is directly under or obliquely under the second feature, or simply that the first feature is at a lesser elevation than the second feature.

Fig. 1-2 show an electronic atomizer 1 according to a first embodiment of the present invention, where the electronic atomizer 1 includes an atomizer 100 and a power supply device 200 cooperatively connected with the atomizer 100. The power supply device 200 typically includes a battery for supplying power to the nebulizer 100 and a control circuit for controlling the heating of the nebulizer 100. The atomizer 100 is for receiving a liquid substrate and thermally atomizing the liquid substrate upon energization to generate an aerosol. In some embodiments, the atomizer 100 and the power supply device 200 may each have a substantially elliptical cylindrical shape, and the two may be mechanically and electrically connected together in the axial direction. Further, the atomizer 100 and the power supply device 200 may be detachably connected together by a magnetic connection, a screw connection, a snap connection, or the like. It is understood that in other embodiments, the atomizer 100 and the power supply apparatus 200 may be connected together in a non-detachable manner. Further, the cross-sectional shape of the atomizer 100 and/or the power supply apparatus 200 is not limited to the oval shape, and may be other shapes such as a circle, a racetrack, or a rectangle.

As shown in fig. 3, the atomizer 100 may include a housing 10 and an atomizing body 20 at least partially accommodated in a lower portion of the housing 10. Formed in the housing 10 is a reservoir 110 for receiving the liquid substrate and an output channel 120 isolated from the reservoir 110 for delivering the aerosol. The output passage 120 may extend in a longitudinal direction, and an upper end of the output passage 120 has an output port 121 communicating with the outside. The atomizing body 20 includes a base 30, a heat generating base 40 coupled to the base 30, and an atomizing assembly 50 accommodated between the base 30 and the heat generating base 40. The atomizing assembly 50 is in fluid-conducting communication with the reservoir 110 and in gas-conducting communication with the outlet channel 120, and when a user draws on the outlet 121, the atomizing assembly 50 atomizes the liquid substrate to form an aerosol which in turn passes through the outlet channel 120 to the outlet 121 for absorption by the user.

In some embodiments, the housing 10 may be integrally formed by injection molding or the like, and may include a cylindrical outer shell 11 and a vent pipe 12 disposed longitudinally within the cylindrical outer shell 11. The cylindrical case 11 may be formed in a substantially elliptical cylindrical shape with an open lower end, and the air duct 12 may be integrally connected to a top wall of the cylindrical case 11. An inner wall surface of the air duct 12 defines an output passage 120, and a liquid storage chamber 110 is defined between an outer wall surface of the air duct 12 and an inner wall surface of the cylindrical casing 11.

As shown in fig. 3 to 8, the atomizing assembly 50 includes a liquid-absorbing body 51 and a heat-generating body 52 in contact with the liquid-absorbing body 51. In some embodiments, the liquid-absorbing body 51 may be made of a porous ceramic material, such that the liquid-absorbing body 51 has a large number of micropores formed therein and has a certain porosity, and the liquid-absorbing body 51 can absorb and buffer the liquid matrix by capillary action of the micropores. The liquid 51 has an atomizing surface 511 and a liquid-absorbing surface 512, the liquid-absorbing surface 512 communicates with the reservoir 110, and the atomizing surface 511 contacts the heating element 52. The liquid absorbing body 51 absorbs the liquid base material from the reservoir 110 through the liquid absorbing surface 512 and transfers the liquid base material to the atomizing surface 511, and the heat generating body 52 heats and atomizes the liquid base material absorbed by the liquid absorbing body 51 after being energized.

The atomizing body 20 has an air inlet passage 310 and an atomizing chamber 510 formed therein, and the atomizing chamber 510 is respectively communicated with the air inlet passage 310 and the output passage 120. The atomization surface 511 is exposed in the atomization chamber 510, which may define a portion of the boundary of the atomization chamber 510. When the heat-generating body 52 generates heat, the liquid substrate on the atomizing surface 511 and the liquid substrate soaked in the heat-generating body 52 absorb the heat to be atomized to form aerosol, and the aerosol is discharged into the atomizing chamber 510. When the user draws, ambient gas input into the nebulizing chamber 510 from the air inlet channel 310 carries aerosol into the output channel 120 and to the output port 121 for absorption by the user.

In the present embodiment, the liquid absorbent 51 may have a substantially rectangular plate shape having a small thickness. The atomizing surface 511 and the liquid-absorbing surface 512 may be two surfaces provided opposite to each other in the thickness direction of the liquid 51. The liquid 51 may be disposed in a vertical direction such that the atomizing surface 511 and the liquid absorbing surface 512 are both disposed in the vertical direction, and the atomizing surface 511 and the liquid absorbing surface 512 are parallel to the axial direction of the atomizer 100, the axial direction of the housing 10, the axial direction of the reservoir 110, and the axial direction of the output passage 120. In other embodiments, the liquid absorbent 51 is not limited to having a rectangular plate shape. In other embodiments, the liquid-absorbing body 51 can be inclined at an angle with respect to the axial direction of the atomizer 100, so that the atomizing surface 511 and the liquid-absorbing surface 512 are inclined at an angle with respect to the axial direction of the atomizer 100, for example, at an angle smaller than 90 °. Further, the positions of the atomizing surface 511 and the liquid-absorbing surface 512 are also not limited, and for example, the atomizing surface 511 and the liquid-absorbing surface 512 may be two adjacent surfaces of the liquid 51, and further, for example, the atomizing surface 511 or the liquid-absorbing surface 512 may include one surface of the liquid 51 in the thickness direction and one or more side surfaces adjacent to the one surface.

The heat generating body 52 may include a heat generating portion 521 and two electrode portions 522 connected to both ends of the heat generating portion 521, respectively. The heat generating portion 521 is connected to an external power supply through two electrode portions 522, and generates heat after power is supplied thereto. The two electrode portions 522 may be respectively disposed near two edges of the atomizing surface 511 along the length direction, and the heating portion 521 extends between the two electrode portions 522 in a non-linear manner, for example, in an S-shape or a zigzag shape, which may be beneficial to increase the heating area of the heating portion 521.

In some embodiments, the heating element 52 may be a heating film, which may be formed on the blank of the liquid absorbent 51 by silk-screening, printing or spraying with conductive paste, and then integrally sintered with the liquid absorbent 51. In other embodiments, the heating element 52 may be a separately formed heating element structure such as a metal heating sheet or a metal heating wire, and then combined with the liquid absorbing body 51 by sintering or the like.

In some embodiments, the atomizing assembly 50 can further include a fluid-directing member 53, the fluid-directing member 53 being in contact with the wicking surface 512, which can rapidly and uniformly conduct the liquid matrix from the reservoir 110 to the wicking surface 512. In some embodiments, the liquid guiding member 53 may be made of porous material such as porous ceramic, liquid guiding cotton, etc., and may have a rectangular plate shape. The projection of the liquid guiding member 53 on the atomizing surface 511 can completely cover the heat generating portion 521 or at least cover most of the heat generating portion 521, so that the liquid base can be rapidly supplied to the heat generating portion 521.

In some embodiments, the atomizing assembly 50 can further include a sealing member 54, and both the liquid absorbing member 51 and the liquid guiding member 53 can be mounted on the sealing member 54. The sealing member 54 may be made of an insulating elastic high temperature resistant material such as silicon gel. The sealing member 54 prevents leakage on the one hand and protects the liquid-absorbing material 51 from being crushed during mounting. It is understood that in other embodiments, the atomizing assembly 50 may not include the liquid-conducting member 53 and/or the sealing member 54.

In some embodiments, the sealing member 54 may have a rectangular ring-shaped structure, which may include an end wall 541 and a ring wall 542 extending from a peripheral edge of the end wall 541 to one side in a thickness direction thereof. The liquid guiding member 53 can be accommodated in the annular wall 542 and abut against the end wall 541, and the absorbent body 51 can be accommodated in the annular wall 542 and abut against the end wall 541 through the liquid guiding member 53. The end wall 541 is provided with a liquid inlet 540 extending through in the thickness direction, so that the liquid substrate in the liquid storage chamber 110 can be absorbed by the liquid guiding member 53 through the liquid inlet 540. Preferably, the projection of the liquid inlet 540 on the atomizing surface 511 can completely cover the heat generating portion 521 or at least cover most of the heat generating portion 521, so that the liquid matrix can be rapidly supplied to the heat generating portion 521.

The atomizing assembly 50 can be at least partially received in the heat-generating base 40, and the heat-generating base 50 further has a liquid-discharging passage 45 formed thereon for communicating the liquid storage chamber 110 with the liquid-absorbing surface 512. The heating seat 40 is arranged above the base 30, and the heating seat 40 is matched with the base 30 to clamp and fix the atomizing assembly 50. The heat generation socket 40 may include a socket 42 and a body 41 extending downward from a lower end surface of the socket 42. In the present embodiment, the length and width of the socket 42 are respectively greater than those of the body 41. The main body portion 41 has a side circumferential surface 411, and the side circumferential surface 411 is recessed inwardly to form a cavity 412, so that the cavity 412 has an open opening on the side circumferential surface 411, and the atomizing assembly 50 can be loaded into the cavity 412 through the open opening. The cavity wall of the cavity 412 is further formed with an inlet port 413, so that the liquid matrix can be absorbed by the liquid guiding member 53 through the inlet port 413. In this embodiment, the liquid inlet 413 is located on a bottom surface of the chamber opposite to the side circumferential surface 411 of the chamber 412. Inlet port 413 is in communication with inlet port 540, and the opening size (length and width dimensions) of inlet port 413 may be identical or substantially identical to the opening size (length and width dimensions) of inlet port 540.

A lower liquid port 420 is formed on the upper end surface of the socket 42, and a lower liquid hole 410 for communicating the lower liquid port 420 with the liquid inlet 413 is formed in the heating base 40. The lower liquid port 420, the lower liquid hole 410 and the liquid inlet 413 are communicated in sequence to form a lower liquid channel 45. The cross-sectional area of the lower liquid port 420 can occupy more than 1/4 of the cross-sectional area of the liquid storage cavity 110, so that the lower liquid port 420 has a larger liquid discharge area, the liquid guiding capacity of the lower liquid port is enhanced, unsmooth liquid discharge is avoided, the scorched smell risk is reduced, and the residual quantity of the liquid matrix is small when the liquid matrix is pumped to the end. Preferably, the cross-sectional area of the lower liquid port 420 is larger than 1/2 of the cross-sectional area of the liquid storage cavity 110, so that the liquid discharging area is large enough and the liquid discharging is smoother. The weep holes 410 extend in a vertical direction, and an axis of the weep holes 410 may be parallel to an axis of the atomizer 100. The cross-sectional area of the lower liquid hole 410 is smaller than that of the lower liquid port 420, so as to ensure that the heat-generating seat 40 has sufficient structural strength on one hand, and that the heat-generating seat 40 has sufficient space in a limited structural space to accommodate the atomizing assembly 50 on the other hand.

In some embodiments, the lower fluid port 420 can include a main lower fluid port 421 and at least one extended lower fluid port 422 extending outwardly from at least one side of the main lower fluid port 421. The at least one extended drain hole 422 is in communication with the main drain hole 421, and is primarily for increasing the drain area of the drain hole 420 and directing the liquid substrate to the main drain hole 421. The lower fluid aperture 410 may extend longitudinally downward from the main lower fluid port 421.

In the present embodiment, the lower fluid port 420 has a substantially butterfly shape, which may include a main lower fluid port 421 and two expanding lower fluid ports 422. The cross section of the main lower liquid port 421 is a long strip and can extend along the length direction of the sleeve joint part 42, the two extended lower liquid ports 422 respectively extend outwards from two sides of the length of the main lower liquid port 421, and the two extended lower liquid ports 422 are symmetrically arranged relative to the central axis of the main lower liquid port 421. Further, the main lower liquid port 421 is disposed near an edge of one side of the sleeve-joint part 42 in the width direction, and the two extended lower liquid ports 422 extend from two sides of the length of the main lower liquid port 421 to the other side of the sleeve-joint part 42 in the width direction, so as to increase the lower liquid area of the lower liquid port 420 as much as possible. It is understood that in other embodiments, the two extended lower fluid ports 422 may be asymmetrically disposed, for example, the fluid area of one extended lower fluid port 422 may be larger than the fluid area of the other extended lower fluid port 422. In other embodiments, the main lower fluid port 421 may be extended by only one side or more sides to form the extended lower fluid port 422.

Further, the cavity bottom surface 4221 of the extended lower liquid port 422 can be obliquely arranged and can be an inclined plane or a curved surface, so that the liquid matrix in the extended lower liquid port 422 can flow to the main lower liquid port 421 under the action of gravity, and the liquid guiding effect is improved. In general, the lower fluid port 410 extends in a vertical direction, and the chamber bottom surface 4221 of the expanded lower fluid port 422 forms an angle greater than 90 ° with the axis of the lower fluid port 410. However, since the atomizer 100 is not in a vertical state but in an inclined state during suction, when the angle between the bottom 4221 of the expanded lower liquid outlet 422 and the axis of the lower liquid outlet 410 is smaller than or equal to 90 °, the single-side expanded lower liquid outlet 422 also has the function of discharging liquid.

In some embodiments, the liquid inlet 413 may be disposed at the bottom of the sidewall of the liquid outlet 410 facing the lateral periphery 411. The bottom of the side wall of the liquid inlet port 413 opposite to the lower liquid hole 410 may be further formed with a guiding inclined surface 4101 for guiding the liquid medium to the liquid inlet port 413.

Further, the upper end surface of the socket 42 may further extend downward to form a vent hole 425 communicating with the cavity 412, and the lower end of the output channel 120 may extend into the vent hole 425 and may communicate with the vent hole 425. In this embodiment, the vent hole 425 and the main lower liquid port 421 are respectively located on two opposite sides of the socket 42 in the width direction.

In some embodiments, the atomizing body 20 may also include a boot seal 70 that is fitted over the socket 42. The sealing sleeve 70 may be made of an elastic material such as silicone rubber, and may include a top wall 72 and an annular sealing portion 71 extending downward from a periphery of the top wall 72. The top wall 72 abuts against the upper end face of the sleeve joint part 42, and the sealing part 71 is hermetically arranged between the wall surface of the liquid storage cavity 110 and the outer wall surface of the sleeve joint part 42 to prevent liquid leakage. The top wall 72 is longitudinally penetrated with a liquid inlet 720 communicated with the lower liquid inlet 420 and a through hole 723 communicated with the vent hole 425. The size and shape of the liquid inlet 720 are matched with those of the lower liquid port 420, and the liquid inlet 720 and the lower liquid port 420 are designed in a copying manner, so that the liquid outlet area can be guaranteed to the maximum extent, and the scorched smell risk is reduced.

Further, the sealing boot 70 may further include an annular extension 73 extending downward from a peripheral edge of the through hole 723, the annular extension 73 may be inserted into the vent hole 425, an outer wall surface of the annular extension 73 may be in sealing engagement with a hole wall surface of the vent hole 425, and an inner wall surface of the annular extension 73 may be in sealing engagement with a lower end outer wall surface of the vent pipe 12, so as to enhance a sealing effect.

The susceptor 30 may include a base 31 and an extension 32 extending upward from a top surface of the base 31. The base 31 is at least partially embedded in the lower opening of the housing 10, and the outer peripheral surface of the base 31 is in sealing fit with the inner peripheral surface of the housing 10 to prevent liquid leakage. The extension 32 may include a first sidewall 321 and two second sidewalls 322 respectively located at both lateral sides of the first sidewall 321 such that a side of the extension 32 opposite to the first sidewall 321 is open. The main body 41 is at least partially received in the extension 32, and the atomizing assembly 50 is received in a space defined between the main body 41 and the extension 32. The main body portion 41 and the extension portion 32 can be fixed to each other by means of a snap connection. Specifically, in this embodiment, the inner sidewalls of the two second sidewalls 322 are respectively formed with a concave slot 3221, two sides of the main body 41 along the length direction are respectively formed with a buckle 415 protruding outwards, and the buckles 415 and the slots 3221 are buckled with each other, so that the main body 41 and the extending portion 32 are buckled and fixed with each other.

The base 30 and the housing 10 may be fixed to each other by means of a snap connection. Specifically, in this embodiment, the outer side surfaces of the two second side walls 322 respectively protrude to form the buckles 3222, and the two sides of the housing 10 respectively form clamping grooves which are mutually snap-fitted with the buckles 3222, so that the base 30 and the housing 10 are mutually fixed in a buckling manner.

The first side wall 321 may be formed by extending upward from one side edge of the width of the base 31, and the two second side walls 322 may be formed by extending upward from two side edges of the length of the base 31. The first sidewall 321 is disposed opposite to the atomizing surface 511 at a distance, and the first sidewall 321, the atomizing surface 511 and the two second sidewalls 322 together enclose an atomizing chamber 510.

The air inlet passage 310 may be formed on the base 30 in a longitudinal direction, and may be formed by extending an upper end surface of the base 30 downward in the longitudinal direction. In the present embodiment, there are multiple intake passages 310, which is beneficial to uniform intake and improve swirl. The axis of the inlet passage 310, the axis of the nebulizing chamber 510, and the axis of the outlet passage 120 may all be arranged in parallel. It is understood that in other embodiments, there may be only one intake passage 310. In other embodiments, the axis of the nebulizing chamber 510 may also be disposed at an angle to the axis of the intake passage 310 and/or the axis of the output passage 120.

In some embodiments, the upper end surface of the base 31 may be recessed to form a receiving groove 312, and the receiving groove 312 can receive and receive a certain leakage. The bottom of the receiving groove 312 is upwardly protruded to form an air inlet boss 314, and the air inlet boss 314 may be integrally connected to the inner side of the first sidewall 321. The air inlet passage 310 may extend from the top surface of the air inlet boss 314 downwards along the longitudinal direction, such that the upper end surface of the air inlet passage 310 is higher than the bottom surface of the cavity of the receiving groove 312, so as to prevent the liquid medium in the receiving groove 312 from leaking through the air inlet passage 310. The top surface of the intake boss 314 may be an inclined surface so that the leakage on the top surface of the intake boss 314 can flow to the receiving groove 312, thereby further reducing the leakage.

In some embodiments, the atomizing body 20 can further include a reservoir 80 received in the receiving channel 312, and the reservoir 80 can be made of a porous material such as cotton, porous ceramic, etc., and can absorb and store a certain amount of liquid matrix. The side of the liquid storage part 80 facing the air inlet boss 314 is concavely provided with a notch 81, and the notch 81 can be clamped on the air inlet boss 314. Furthermore, a plurality of supporting bosses 313 arranged at intervals are formed in the accommodating groove 312 in an upward protruding manner, and the liquid storage member 80 is supported on the plurality of supporting bosses 313. The interval distance between the adjacent two support bosses 313 is small so that a surface tension can be formed in the space between the adjacent two support bosses 313 to reduce leakage.

Further, the bottom surface of the base 31 may be formed with at least one introduction passage 311 extending upward in the longitudinal direction, and an upper end of the at least one introduction passage 311 communicates with a lower end of the intake passage 310. In the present embodiment, the introduction passage 311 has one and is located at the middle of the base 31, and the intake cross-sectional area of the introduction passage 311 is larger than the total intake cross-sectional area of the plurality of intake passages 310. It is understood that in other embodiments, there may be more than one lead-in channel 311.

In some embodiments, the atomizing body 20 may further include two electrode connecting assemblies 60 disposed on the base 30, and the two electrode connecting assemblies 60 are electrically connected to the two electrode portions 522 of the heating element 52, respectively. Each of the electrode connecting members 60 includes a conducting portion 611 for conducting with the electrode portion 522 and an external connecting portion 621 for conducting with the power supply apparatus 200. The external connection portion 621 may be located on a lower end surface of the base portion 31, and is convenient to be abutted against and conducted with an electrode column in the power supply apparatus 200. It is to be understood that the number of the electrode connecting assemblies 60 is not limited to two, and may be one or more than two.

In the present embodiment, each electrode connecting assembly 60 includes a conductive pillar 61 and a conductive sheet 62. The conductive pillar 61 is disposed in the transverse direction, one end of the conductive pillar 61 may be embedded in the first sidewall 321 for fixing, and the other end may abut against the electrode portion 522 and be electrically connected to the electrode portion 522. The conductive part 611 may be formed on an end surface of the conductive pillar 61 away from the first sidewall 321. The conductive post 61 may or may not have elasticity, and the conductive post 61 presses the liquid 51 against the heat-generating base 40 through the sealing member 54. The conductive post 61 and the electrode portion 522 are connected by pressing, and the pressing stress is absorbed by the sealing member 54, so that the liquid absorbing body 51 is prevented from being broken, and the reliability of the electrical connection between the conductive post 61 and the electrode portion 522 is ensured.

The conductive sheet 62 may be an elongated conductive metal sheet, which may include a connection portion 622 extending in the longitudinal direction and an external connection portion 621 extending in the transverse direction from the lower end of the connection portion 622. The connecting portion 622 may penetrate through the first sidewall 321 along the longitudinal direction, and is in contact conduction with one end of the conductive pillar 61 embedded in the first sidewall 321. In some embodiments, a through hole 6221 may be disposed through the connecting portion 622, and one end of the conductive pillar 61 may be disposed in the through hole 6221 and in contact with a wall surface of the through hole 6221, so as to improve the reliability of the electrical connection. The circumscribed portion 621 may be embedded in the base portion 31 in the lateral direction. Two electrode holes 315 may be concavely formed on the bottom surface of the base 31 to expose at least a portion of the external connection portion 621 for connecting and conducting with the power supply apparatus 200.

The conductive sheet 62 and the base 30 can be combined together by injection molding, which facilitates manufacturing and fixing the conductive sheet 62. It is understood that in other embodiments, the electrode connection assembly 60 may also include only conductive sheets or posts.

In some embodiments, the bottom of the base 30 may further embed a magnetic element 33 for magnetically connecting with the power device 200. In this embodiment, there are two magnetic members 33 respectively disposed at two sides of the length of the base 30. The two magnetic members 33, the two electrode holes 315, and the introduction passage 311 are arranged along the length direction of the base 30.

In some embodiments, the heat-generating base 40 may further include a ventilation channel 43, and the ventilation channel 43 connects the reservoir 110 to the outside atmosphere for balancing the pressure in the reservoir 110, so as to solve the problem that the liquid cannot be stably discharged due to an excessive negative pressure in the reservoir 110. Specifically, the ventilation channel 43 may be formed on an outer side surface of the heat generating seat 40, which may extend from an upper end surface of the heat generating seat 40 to a lower end surface of the heat generating seat 40 in a longitudinal direction. The upper end of the ventilation channel 43 communicates with the lower liquid port 420, and the lower end communicates with the atomization chamber 510.

In some embodiments, the heat generating base 40 and/or the outer side surface of the base 30 may further be recessed to form a liquid storage channel 35, and the liquid storage channel 35 can store a certain amount of leakage liquid. The cross-sectional dimension of the reservoir channel 35 (e.g., the width, depth, cross-sectional area, etc. of the reservoir channel 35) is set to be reasonable, so that the liquid medium has large surface tension and on-way resistance in the reservoir channel 35, and leakage through the reservoir channel 35 is difficult to cause. In the present embodiment, there are a plurality of reservoir channels 35, and the plurality of reservoir channels 35 may be formed on the extension portion 32 and the main body portion 41 and extend along the circumferential direction of the extension portion 32 and the main body portion 41.

Fig. 9 shows a heat-generating seat 40 in an alternative embodiment of the present invention, which is mainly different from the above-mentioned embodiment in that the lower fluid port 420 in this embodiment further includes a communicating lower fluid port 423, and the communicating lower fluid port 423 communicates between two expanding lower fluid ports 422, and can further increase the fluid discharging area of the lower fluid port 420.

In this embodiment, the lower liquid outlet 420 is annular, a boss 426 may be formed in the lower liquid outlet 420 in an upward protruding manner, and the vent hole 425 may extend downward from an upper end surface of the boss 426. One side of the boss 426 may be integrally combined with the edge of the main lower port 421. The other side of the boss 426 is spaced from the edge of the liquid communicating with the lower liquid port 423 for liquid communication.

In addition, the bottom surface of the chamber communicating with the lower fluid port 423 may be inclined, and both sides of the length thereof may be inclined toward the two extended lower fluid ports 422, respectively, so that the liquid medium communicating with the lower fluid port 423 may flow toward the extended lower fluid ports 422 by gravity and then flow toward the main lower fluid port 421 via the extended lower fluid ports 422.

Fig. 10 to 11 show an atomising body 20 according to a first alternative of the present invention, which differs from the previous embodiment mainly in that in this embodiment the sealing sleeve 70 further comprises a cover portion 721, which cover portion 721 is arranged within the liquid inlet 720 and divides the liquid inlet 720 into two sub-liquid inlets 7201. Cover portion 721 is positioned over lower fluid port 420 and can cover a portion of lower fluid port 420. By covering part of the lower liquid port 420, when the atomizer 100 is in a back-pumping state (the output port 121 faces downwards), the resistance of the liquid matrix in the lower liquid channel 45 to flow backwards is increased, so that the liquid matrix can be always kept in the lower liquid channel 45 and can be supplied to the liquid absorbing body 51 for atomization, and the phenomenon that bubbles flow backwards to the liquid absorbing body 51 to generate scorched smell is reduced.

Specifically, the cover portion 721 may be located in the middle of the liquid inlet 720, i.e., the cover portion 721 is located above the main lower liquid outlet 421 and covers at least a portion of the main lower liquid outlet 421. Both sides of the width of the cover portion 721 are integrally combined with both side edges of the width of the central portion of the liquid inlet 720. The two sub liquid inlets 7201 are respectively located on the left and right sides of the covering portion 721 and are respectively communicated with the two extended lower liquid ports 422. In addition, the two sub liquid inlets 7201 are arranged in bilateral symmetry and are not communicated with each other. It is understood that in other embodiments, the cover portion 721 may have only one side edge integrally combined with one side edge of the loading port 720.

In the present embodiment, the width of the cover portion 721 is the same as the width of the main lower liquid outlet 421, and the length of the cover portion 721 is smaller than the length of the main lower liquid outlet 421. The cover portion 721 may extend downward by a length such that a lower portion of the cover portion 721 can be inserted into the main lower fluid port 421, and both sides of the width of the cover portion 721 may be in contact with the wall surfaces of the holes on both sides of the width of the main lower fluid port 421, respectively. The covering portion 721 makes the left and right sides of the lower liquid passage 45 form a U-shaped pipe communicating vessel, and makes the liquid medium in the lower liquid passage 45 always supplied to the liquid absorber 51 by the liquid pressure on the left and right sides of the communicating vessel. In other embodiments, the two sides of the width of the covering portion 721 and the wall surface of the hole on the two sides of the width of the main lower liquid outlet 421 may have a gap.

Fig. 12 shows a sealing sleeve 70 in a second alternative of the invention, which differs from the first alternative mainly in that a cover portion 721 in this embodiment divides the inlet port 720 into two main inlet ports 7202 and one auxiliary inlet port 7203. Two main liquid inlets 7202 are respectively communicated with two extended lower liquid ports 422, and one auxiliary liquid inlet 7203 is correspondingly communicated with a main lower liquid port 421. It is understood that in other embodiments, each extended lower port 422 may also be in communication with more than one main inlet 7202, and/or that main lower port 421 may also be in communication with more than one auxiliary inlet 7203.

The main liquid inlet 7202 has the main function of ensuring that the liquid discharge area is large enough and is the main liquid supply path. The auxiliary inlet 7203 can provide a predetermined amount of liquid and facilitate the discharge of air bubbles from the pores of the liquid-absorbing material 51 to the liquid storage chamber 110 in time during the atomization process of the atomizing assembly 50 due to the negative pressure of the liquid storage chamber 110. In this embodiment, the two main inlets 7202 and the one auxiliary inlet 7203 both have a larger liquid feeding area, the two main inlets 7202 are respectively located at two opposite sides of the inlet 720, and the auxiliary inlet 7203 is located in the middle of the inlet 720.

Fig. 13 shows a sealing sleeve 70 in a third alternative of the invention, which differs from the second alternative mainly in that a cover portion 721 in this embodiment divides the inlet port 720 into two main inlet ports 7202 and two auxiliary inlet ports 7203. The two auxiliary liquid inlets 7203 are both located above the main liquid outlet 421 and are communicated with the main liquid outlet 421, so that each auxiliary liquid inlet 7203 has a smaller liquid outlet area. In general, the smaller the downflow area of the auxiliary inlet 7203, the greater the surface tension of the liquid substrate, and the less the liquid substrate in the downcomer 45 will flow out of the downcomer 45 during the inverted pumping state.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An atomizer, comprising:

a housing (10) having a reservoir (110) formed therein;

a heating base (40) housed in the housing (10); and

the atomizing assembly (50) is at least partially accommodated in the heating seat (40) and comprises a liquid suction surface (512);

the liquid absorption surface (512) is parallel to the axis of the atomizer (100) or forms an included angle with the axis;

the heating seat (40) is towards the end face of one end of the liquid storage cavity (110) is inwards concave to form a lower liquid opening (420), the lower liquid opening (420) comprises a main lower liquid opening (421) and at least one expanded lower liquid opening (422) extending outwards from at least one side of the main lower liquid opening (421), and a lower liquid hole (410) communicated with the liquid absorption surface (512) and the main lower liquid opening (421) is formed in the heating seat (40).

2. A nebulizer as claimed in claim 1, wherein the cross-sectional area of the lower port (420) is more than one quarter of the cross-sectional area of the reservoir chamber (110).

3. A nebulizer as claimed in claim 1, wherein the cross-sectional area of the lower port (420) is more than half the cross-sectional area of the reservoir chamber (110).

4. A nebulizer as claimed in claim 1, wherein the bottom cavity surface of the at least one expanded bottom port (422) is inclined towards the main bottom port (421) to enable the liquid matrix in the at least one expanded bottom port (422) to flow towards the main bottom port (421) under the influence of gravity.

5. A nebulizer as claimed in claim 1, wherein the at least one expanded lower port (422) comprises at least two expanded lower ports (422), the cross-sectional area of the at least two expanded lower ports (422) being the same or different.

6. A nebulizer as claimed in claim 5, wherein the lower liquid port (420) further comprises a communicating lower liquid port (423) communicating the at least two expanding lower liquid ports (422).

7. A nebulizer as claimed in claim 6, wherein the bottom surface of the communicating downcomer (423) is inclined to enable liquid matrix within the communicating downcomer (423) to flow under gravity to the at least two expanding downcomer ports (422).

8. A nebulizer as claimed in claim 1, wherein the cross-sectional area of the weep hole (410) is smaller than the cross-sectional area of the weep hole (420).

9. A nebulizer as claimed in claim 1, wherein the axis of the weep hole (410) is parallel to or at an angle to the liquid suction surface (512).

10. The atomizer according to claim 1, further comprising a sealing sleeve (70) accommodated in the housing (10) and sleeved on the heat generating seat (40), wherein a liquid inlet (720) communicated with the liquid outlet (420) is formed on the sealing sleeve (70).

11. A nebulizer as claimed in claim 10, wherein the liquid inlet (720) and the liquid outlet (420) are of the same cross-sectional shape and size.

12. A nebulizer as claimed in claim 10, wherein the sealing sleeve (70) further comprises a cover portion (721), the cover portion (721) being arranged in the liquid inlet (720) and covering at least part of the lower liquid port (420).

13. A nebulizer as claimed in claim 12, wherein the cover portion (721) covers at least part of the main lower liquid opening (421).

14. A nebulizer as claimed in claim 12, wherein the at least one extended lower port (422) comprises two extended lower ports (422), the two extended lower ports (422) being located on opposite sides of the main lower port (421).

15. A nebulizer as claimed in claim 14, wherein the cover portion (721) divides the liquid inlet (720) into two sub liquid inlets (7201) which are not in communication with each other, the cover portion (721) covering the main lower liquid port (421) and at least partially protruding into the main lower liquid port (421).

16. A nebulizer as claimed in claim 12, wherein the cover portion (721) divides the liquid inlet (720) into at least one secondary liquid inlet (7203) in communication with the main liquid outlet (421) and at least one primary liquid inlet (7202) in communication with the at least one extended liquid outlet (422).

17. A nebulizer as claimed in any one of claims 1 to 16, wherein the nebulizing assembly (50) further comprises a nebulizing surface (511), and the housing (10) further defines therein an air intake channel (310) communicating with the nebulizing surface (511), the axis of the air intake channel (310) being parallel to or at an angle with the nebulizing surface (511).

18. A nebulizer as claimed in any one of claims 1 to 16, wherein the nebulizer (100) further comprises a base (30) housed at least partially within the housing (10), the nebulizing assembly (50) being housed between the heat generating base (40) and the base (30).

19. An electronic atomisation device comprising a atomiser as claimed in any of claims 1 to 18.