CN112971217A

CN112971217A - Atomizing core, atomizer and electronic atomization device

Info

Publication number: CN112971217A
Application number: CN202110272268.0A
Authority: CN
Inventors: 曾祥龙; 陈松开; 杨纪永
Original assignee: Shenzhen Smoore Technology Ltd
Current assignee: Shenzhen Smoore Technology Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-06-18
Also published as: WO2022188537A1

Abstract

The application discloses an atomizing core, an atomizer and an electronic atomizing device, wherein the atomizer comprises a shell, an atomizing seat and an atomizing core; the shell forms an air outlet channel; the atomization seat is provided with a ventilation structure and an air guide structure, and the ventilation structure is used for communicating the air guide structure with the outside atmosphere; the atomization core is accommodated in an accommodating cavity formed by the atomization seat, and the atomization surface of the atomization core faces the air outlet channel; the air guide structure guides the airflow to flow to the atomizing surface along at least three directions and converge on the atomizing surface, and then the airflow enters the air outlet channel, so that the path of the aerosol atomized by the atomizing core entering the air outlet channel is shortened to the maximum extent, the generation of vortex on the atomizing surface is reduced, the aerosol residue is further reduced, the generation of condensate is reduced, and the aerosol amount is increased.

Description

Atomizing core, atomizer and electronic atomization device

Technical Field

The application relates to the technical field of atomizers, in particular to an atomizing core, an atomizer and an electronic atomizing device.

Background

The electronic atomization device generates aerosol by atomizing a substrate to be atomized, and a user inhales the aerosol to achieve the purpose of obtaining substances in the aerosol. For a conventional electronic atomization device, a defect that the concentration of an effective substance in an aerosol is low due to a small amount of the aerosol generally exists, so that a user cannot have a good smoking experience.

Disclosure of Invention

In view of this, the present application provides an atomizing core, an atomizer and an electronic atomizing device to solve the technical problem of a small amount of smoke in the prior art.

In order to solve the above technical problem, a first technical solution provided by the present application is: providing an atomizing core, which comprises a heating element and a liquid guide element; the liquid guide piece comprises a porous ceramic piece and a porous cotton rope piece; at least part of the porous ceramic piece is arranged between the heating piece and the porous cotton rope piece.

Wherein the porous ceramic piece comprises first and second opposing surfaces; the first surface is an atomization surface, and the heating element is arranged on the first surface; a through groove is formed in the second surface, and the porous cotton rope piece is arranged in the through groove.

Wherein, be provided with protruding muscle on the diapire of logical groove.

In order to solve the above technical problem, a second technical solution provided by the present application is: an atomizer is provided, which comprises a shell, an atomizing seat and an atomizing core; the shell forms an air outlet channel; the atomization seat is provided with a ventilation structure and an air guide structure, and the ventilation structure is used for communicating the air guide structure with the outside atmosphere; the atomization core is accommodated in an accommodating cavity formed by the atomization seat, and the atomization surface of the atomization core faces the air outlet channel; the air guide structure guides the airflow to flow to the atomization surface along at least three directions, and the airflow is converged on the atomization surface and then enters the air outlet channel.

The atomization seat comprises a top cover and a base, and the top cover and the base are matched to form the accommodating cavity; the ventilation structure is arranged on the base.

Wherein, the inner surface of the base is provided with a flange in the circumferential direction; the surface of the flange facing the air outlet channel is provided with a first groove, and the first groove is communicated with the ventilation structure; and a notch is arranged on the side wall of the first groove.

The inner surface of the base is circumferentially provided with a convex block, the surface of the convex block close to the flange covers the first groove, and the first groove, the gap and the convex block are matched to form the air guide structure.

The top cover is arranged on the surface, facing the air outlet channel, of the flange and covers the first groove, so that the first groove, the gap and the top cover are matched to form the air guide structure.

Wherein the first groove is of an annular structure and is arranged along the circumferential direction of the flange; the side wall of the first groove is symmetrically provided with a plurality of notches.

The first groove is arranged in a surrounding mode to form a rectangle; eight notches are symmetrically arranged on the side wall of the first groove and are correspondingly arranged at the middle points and four corners of the four sides of the rectangle.

The air guide structure is formed at one end, far away from the air outlet channel, of the top cover.

The shell is provided with a liquid storage cavity and an installation cavity communicated with the liquid storage cavity, the base is arranged in the installation cavity, and the top cover is embedded at one end, close to the air outlet channel, of the base to seal the liquid storage cavity and the air outlet channel; in the width direction of the atomizer, a liquid discharging channel is formed between the outer surfaces of the two opposite side walls of the base and the inner surface of the mounting cavity, and a matrix to be atomized in the liquid storage cavity enters the atomizing core through the liquid discharging channel.

Wherein, the atomizing core comprises a heating element and a liquid guide element; the heating piece is arranged on one side of the liquid guide piece close to the air outlet channel; in the width direction of the atomizer, first through holes are formed in two opposite side walls of the base, so that the liquid guide piece of the atomizing core is exposed to the liquid discharging channel.

The liquid guide device comprises a base, and is characterized by further comprising a sealing assembly arranged in the base, wherein a second groove is formed in the first surface of the sealing assembly, the atomizing core is contained in the second groove, and second through holes are formed in two opposite side walls of the second groove and correspond to the first through holes, so that the liquid guide piece of the atomizing core is exposed.

A recess is formed in the bottom wall of the second groove, extends along the width direction of the atomizer and is communicated with the second through hole; and one side of the side wall of the second groove, which is close to the opening end, is provided with an air exchange groove.

Wherein the outer surface of the seal assembly is provided with a first annular bulge and a second annular bulge; the first annular bulge is arranged on one side, close to the air outlet channel, of the second through hole, and the second annular bulge is arranged on one side, far away from the air outlet channel, of the second through hole; the first annular bulge and the second annular bulge are abutted against the inner surface of the base.

And a third groove is arranged on a second surface, opposite to the first surface, of the sealing assembly, and liquid absorption cotton is arranged in the third groove.

Wherein, the bottom wall of the third groove is provided with a bulge to form a micro-groove.

Wherein, an air inlet is arranged on the liquid absorbing cotton; in the thickness direction of the atomizer, communicating holes are formed in two opposite side walls of the third groove, one end of each communicating hole is communicated with the air inlet hole, and the other end of each communicating hole is communicated with the first groove through the ventilation structure.

And the side wall of the base is provided with a third through hole extending along the axial direction so as to form the ventilation structure.

In order to solve the above technical problem, a third technical solution provided by the present application is: the electronic atomization device comprises an atomizer and a host, wherein the atomizer is any one of the atomizers.

The beneficial effect of this application: different from the prior art, the atomizer comprises a shell, an atomizing seat and an atomizing core; the shell forms an air outlet channel; the atomization seat is provided with a ventilation structure and an air guide structure, and the ventilation structure is used for communicating the air guide structure with the outside atmosphere; the atomization core is accommodated in an accommodating cavity formed by the atomization seat, and the atomization surface of the atomization core faces the air outlet channel; the air guide structure guides the air flow to the atomization surface along at least three directions, and the air flow is converged on the atomization surface and then enters the air outlet channel. The atomizing surface of the atomizing core is arranged towards the air outlet channel, so that the path of the aerosol atomized by the atomizing core entering the air outlet channel is shortened to the maximum extent, and the aerosol quantity is increased; meanwhile, the air guide structure guides the airflow to flow to the atomizing surface along at least three directions and converge on the atomizing surface, and then the airflow enters the air outlet channel, so that the generation of vortex on the atomizing surface is reduced, the aerosol residue is further reduced, and the generation of condensate is further reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an electronic atomizer provided herein;

FIG. 2 is a schematic diagram of the construction of an atomizer provided herein;

FIG. 3 is a schematic cross-sectional view of a first embodiment of a base in an atomizer as provided herein;

FIG. 4 is a schematic top view of a first embodiment of a gap in a base of the atomizer provided in FIG. 3;

FIG. 5 is a schematic top view of a second embodiment of a gap in a base of the atomizer of FIG. 3;

FIG. 6a is a schematic gas flow diagram of the airway structure shown in FIG. 4;

FIG. 6b is a simulated temperature cloud for the airway structure shown in FIG. 4;

figure 6c is a simulated aerosol volume fraction cloud of the airway structure shown in figure 4;

FIG. 6d is a simulated streamline cloud of the airway structure shown in FIG. 4;

FIG. 6e is a schematic diagram of a simulation of the airway structure shown in FIG. 4;

FIG. 7 is a schematic cross-sectional view of a second embodiment of a base in an atomizer as provided herein;

FIG. 8 is a schematic structural view of another embodiment of a cap in an atomizing core provided herein;

FIG. 9 is a schematic diagram of the construction of an atomizing core in an atomizer as provided herein;

FIG. 10 is a schematic cross-sectional view of an atomizing core in an atomizer provided herein;

FIG. 11 is a schematic view of an assembly structure of a base and an atomizing core in the atomizer provided by the present application;

FIG. 12 is a schematic view of an assembly structure of a seal assembly and an atomizing core in an atomizer provided by the present application;

FIG. 13 is a schematic perspective view of a seal assembly in an atomizer according to the present disclosure;

FIG. 14 is a schematic illustration of a second surface of a seal assembly in an atomizer as provided herein;

fig. 15 is a schematic partial cross-sectional view of an atomizer as provided herein.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic atomization device provided in the present application.

The electronic atomization device can be used for atomization of liquid substrates. The electronic atomization device comprises an atomizer 1 and a host machine 2. The atomizer 1 is used for storing a substrate to be atomized and atomizing the substrate to be atomized to form an aerosol which can be inhaled by a user; the nebulizer 1 is particularly useful in different fields, such as medical treatment, electronic nebulizing devices, etc. The main body 2 comprises a main body shell 20, the main body shell 20 forms an installation space 200, and part of the atomizer 1 is accommodated in the installation space 200; the main machine 2 further comprises a battery and a control circuit, which are used for supplying power to the atomizer 1 and controlling the atomizer 1 to work, so that the atomizer 1 can atomize a substrate to be atomized to form aerosol. The atomizer 1 and the host machine 2 can be integrally arranged or detachably connected and designed according to specific requirements.

Referring to fig. 2, fig. 2 is a schematic structural diagram of an atomizer provided in the present application.

The atomizer 1 includes a housing 10, an atomizing core 13, and an atomizing base 30. The atomizing core 13 is at least partially disposed in a receiving cavity (not shown) formed by the atomizing base 30; specifically, the atomizing base 30 includes a top cover 11 and a base 12, and the top cover 11 and the base 12 cooperate to form a receiving cavity. The shell 10 forms a liquid storage cavity 14 and an air outlet channel 15, and the liquid storage cavity 14 is arranged around the air outlet channel 15; the shell 10 is also provided with a mounting cavity 16 communicated with the liquid storage cavity 14, and the base 12 is arranged in the mounting cavity 16; the top cover 11 is embedded in one end of the base 12 close to the air outlet channel 15 and covers the atomizing core 13 to seal the liquid storage cavity 14 and the air outlet channel 15.

In the width direction of the atomizer 1, a lower liquid channel 17 is formed between the outer surfaces of two opposite side walls of the base 12 and the inner surface of the mounting cavity 16; specifically, two opposite side walls of the base 12 are concave curved surfaces to form a liquid guiding groove extending along the axial direction of the atomizer 1, and a lower liquid channel 17 is formed between the liquid guiding groove and the inner surface of the mounting cavity 16. The substrate to be atomized in the liquid storage cavity 14 enters the atomizing core 13 through the liquid discharge channel 17, and is atomized by the atomizing core 13 to generate aerosol. In this embodiment, the atomizing face of atomizing core 13 sets up towards air outlet channel 15, and furthest's shortening atomizing core 13 atomizing good aerosol gets into air outlet channel 15's route, can avoid aerosol to remain as far as, reduces the production of condensate, improves aerosol concentration to improve user experience.

It can be understood that an atomizing cavity 18 is formed between one side of the top cover 11 close to the atomizing core 13 and the atomizing surface of the atomizing core 13, and a vent hole 111 is provided on the top cover 11, the vent hole 111 communicates the atomizing cavity 18 with the air outlet channel 15, so that the aerosol atomized by the atomizing core 13 enters the air outlet channel 15 through the vent hole 111. A suction hole 151 is formed in one end, away from the top cover 11, of the air outlet channel 15, and a user sucks aerosol through the suction hole 151 to obtain effective substances in the aerosol; optionally, the effective components include nicotine and perfume.

Referring to fig. 3, fig. 3 is a schematic cross-sectional view of a first embodiment of a base in an atomizer according to the present disclosure.

The atomizing base 30 is provided with a ventilation structure 121 and an air guide structure (not shown), and the ventilation structure 121 connects the air guide structure with the outside atmosphere; the air guide structure guides the airflow to flow to the atomizing surface along at least three directions and converge on the atomizing surface, and then the airflow enters the air outlet channel 15, so that the generation of vortex on the atomizing surface is reduced, the aerosol residue is further reduced, and the generation of condensate is further reduced. Specifically, the arrangement mode of the ventilation structure 121 and the air guide structure is designed according to needs, and the functions of the ventilation structure and the air guide structure can be realized; several specific arrangements of the air venting structure 121 and the air directing structure are described below.

The base 12 includes a seat body 124 and a protruding portion 125 disposed on the seat body 124, the seat body 124 is located on one side of the protruding portion 125 far away from the air outlet channel 15, the outer surface of the seat body 124 matches with the inner surface of the port of the installation cavity 16, so as to plug the installation cavity 16, the outer surfaces of the two side walls of the protruding portion 125 in the thickness direction of the atomizer 1 match with the inner surface of the installation cavity 16, the outer surfaces of the two side walls of the protruding portion 125 in the width direction of the atomizer 1 and the inner surface of the installation cavity 16 are spaced apart, for example, the outer surfaces of the two side walls of the protruding portion 125 in the width direction of the atomizer 1 are recessed to form a liquid guiding groove 126. The base 12 has a through hole 127 passing through the seat 124 and the protrusion 125 to form a receiving cavity for mounting the atomizing core 13, so that the base 12 is an annular sidewall as a whole. In the present embodiment, the atomizing core 13 is completely received in the receiving cavity.

The base 12 is provided with a ventilation structure 121 communicated with the outside atmosphere. In this embodiment, the vent structure 121 is a through hole disposed on at least one sidewall of the base 12 and extending along the axial direction. The inner surface of the base 12 is circumferentially provided with a flange 122, the surface of the flange 122 facing the air outlet channel 15 is provided with a first groove 1221, the first groove 1221 is communicated with the vent structure 121, and a notch 1222 is provided on the side wall of the first groove 1221, so that the gas in the vent structure 121 flows along the first groove 1221 and flows out of the notch 1222, and then converges on the atomizing surface of the atomizing core 13 and enters the air outlet channel 15. Optionally, the bottom surface of the notch 1222 is slightly higher than the atomization surface so that the air flow converges at the atomization surface. Optionally, the bottom surface of the first recess 1221, the bottom surface of the notch 1222, and the atomization surface are coplanar such that the air flow converges at the atomization surface. The distance between the bottom surface of the notch 1222 and the atomizing surface can be designed as required, and only the airflow is converged at the atomizing surface and then enters the air outlet channel 15.

Because the top cover 11 is embedded in one end of the base 12 close to the air outlet channel 15 and covers the atomizing core 13, that is, the top cover 11 is arranged on the surface of the flange 122 facing the air outlet channel 15 and covers the first groove 1221; and the top cap 11 is only provided with the vent hole 111, so that the outside air enters the first groove 1221 through the vent structure 121, and can only flow to the atomizing surface of the atomizing core 13 through the notch 1222 on the side wall of the first groove 1221, and the aerosol is carried on the atomizing surface and enters the air outlet channel 15 through the vent hole 111. That is, the first recess 1221, the notch 1222 and the top cover 11 cooperate to form an air guide structure, so that the air flow converges at the center of the atomizing surface and then enters the air outlet channel 15.

Through set up flange 122 on base 12 to set up first recess 1221 on flange 122, set up breach 1222 on the lateral wall of first recess 1221, make gaseous reentrant air outlet channel 15 after gathering on the atomizing face, can reduce the production of vortex in atomizing chamber 18, further avoid the residue of aerosol, reduce the production of condensate, and improved the large granule solubility in the aerosol, make fragrance reduction degree and sweet spot can be than higher.

Referring to fig. 4 and 5, fig. 4 is a schematic top view of a first embodiment of the notch in the base provided in fig. 3, and fig. 5 is a schematic top view of a second embodiment of the notch in the base provided in fig. 3.

Specifically, the first groove 1221 is an annular structure and is disposed along the circumferential direction of the flange 122; a plurality of notches 1222 are symmetrically disposed on the side wall of the first recess 1221. In one embodiment, the first recesses 1221 are enclosed to form a rectangle; four notches 1222 are symmetrically formed on the side walls of the first recess 1221, and are correspondingly formed at the midpoints of four sides of the rectangle (as shown in fig. 4). In another embodiment, the first recesses 1221 are enclosed to form a rectangle; eight notches 1222 are symmetrically formed on the side walls of the first recess 1221, and are correspondingly formed at the middle points and four corners of four sides of the rectangle (as shown in fig. 5).

Referring to fig. 6a, 6b, 6c, 6d and 6e, fig. 6a is a schematic gas flow direction diagram of the airway structure shown in fig. 4, fig. 6b is a simulated temperature cloud of the airway structure shown in fig. 4, fig. 6c is a simulated aerosol volume fraction cloud of the airway structure shown in fig. 4, fig. 6d is a simulated streamline cloud of the airway structure shown in fig. 4, and fig. 6e is a simulated schematic diagram of the airway structure shown in fig. 4.

Referring to fig. 6a, the external atmosphere enters the first groove 1221 through the vent structure 121, gathers the air flow from four directions, and is discharged from the central air outlet channel 15, so that the residue of the aerosol in the atomizing chamber 18 is reduced. Referring to fig. 6c, the aerosol concentration in region a is high and condensate accumulation is likely to occur in region B. Referring to fig. 6d, region C is prone to strong eddy currents. The simulation results of the airway structure shown in fig. 4 are shown in table 1.

Table 1 simulation results of airway structure

Referring to fig. 6e, four notches 1222 are provided in the first recess 1221 to create strong vortex areas at the corners of the aerosolizing chamber 18, which are detrimental to aerosol delivery and prone to condensate build-up at the corners. Through setting up first recess 1221, four breach 1222, form annular air flue structure, gather together the air current from four directions all around for external atmosphere is better with the good aerosol mixability of atomizing.

Further, referring to fig. 5, the first grooves 1221 are enclosed to form a rectangle; not only are notches 1222 provided at midpoints of four sides of the rectangle, but also notches 1222 are provided at four corners. The gaps 1222 are also arranged at the four corners of the rectangle, so that the air flow is gathered from the periphery in eight directions, and then enters the air outlet channel 15 after being gathered at the center of the atomization surface, and the problems that strong vortex areas are easily generated at the corners of the atomization surface and condensate liquid accumulation is easily generated are further solved; and the residue of the aerosol in the atomizing cavity 18 is reduced to the maximum extent, so that the outside atmosphere and the atomized aerosol have better mixing performance, and the aroma reducibility of the effective substances in the aerosol is better.

Referring to fig. 7, fig. 7 is a schematic cross-sectional view of a second embodiment of a base in an atomizer according to the present application.

In the second embodiment of the base 12, the structure is substantially the same as that of the first embodiment of the base 12, except that a protrusion 128 is further disposed circumferentially on the inner surface of the base 12, and the surface of the protrusion 128 close to the flange 122 covers the first recess 1221, so that the first recess 1221, the notch 1222 disposed on the sidewall of the first recess 1221 and the protrusion 128 cooperate to form an air guide structure, so that the air flow converges at the center of the atomizing surface and then enters the air outlet channel 15. Optionally, the tab 128 is integrally formed with the flange 122. In the second embodiment of the base 12, the arrangement of the first recesses 1221 and the notches 1222 is the same as that in the first embodiment of the base 12, and thus the description thereof is omitted.

It is understood that in the second embodiment of the base 12, the top cover 11 is disposed at one end of the base 12 close to the air outlet passage 15, the top cover 11 is provided with the vent hole 111 to communicate with the air outlet passage 15, and the thickness of the top cover 11 is thinner than that in the first embodiment of the base 12.

Referring to fig. 8, fig. 8 is a schematic structural view of another embodiment of a top cover in an atomizing core provided in the present application.

The air guide structure may also be formed at an end of the top cover 11 remote from the air outlet passage 15. In one embodiment, the atomizing core 12 is completely received in a receiving cavity of the base 12; an annular groove 112 is arranged on the surface of the top cover 11 far away from the air outlet channel 15, a plurality of vent grooves 113 are symmetrically arranged on the inner side surface of the annular groove 112 far away from the shell 10, and the vent grooves 113 are communicated with the atomizing cavity. The surface of the base 12 close to the air outlet channel 15 is attached to the surface of the top cover 11 far from the air outlet channel 15, and covers the annular groove 112 on the top cover 11, and the vent groove 113 is communicated with the atomization cavity; the ventilation structure 121 on the base 12 is communicated with the annular groove 112, so that the annular groove 112, the ventilation groove 113 and the base 12 are matched to form an air guide structure, and the air flow is converged at the center of the atomization surface and then enters the air outlet channel 15 through the ventilation hole 111 of the top cover 11.

In another embodiment, a first groove 1221 may be disposed on the base 12, and a plurality of notches 1222 may be symmetrically disposed on a side wall of the first groove 1221; an annular groove 112 is arranged on the surface of the top cover 11 far away from the air outlet channel 15, a plurality of vent grooves 113 are symmetrically arranged on the inner side surface of the annular groove 112 far away from the shell 10, and the side walls of the vent grooves 113 close to the base 12 are communicated with the atomizing cavity; the first groove 1221 is matched with the annular groove 112 in shape and size, and the notch 1222 is matched with the vent groove 113 in shape and size, so that the first groove 1221, the annular groove 112, the notch 1222 and the vent groove 113 are matched to form an air guide structure, and the air flow is converged at the center of the atomization surface and then enters the air outlet channel 15 through the vent hole 111 of the top cover 11.

It can be understood that the air guide structure has multiple setting modes, can be formed on the top cover 11, also can be formed on the base 12, also can be formed by the cooperation of the top cover 11 and the base 12, and only needs to enable the air flow to the atomizing surface along at least three directions and enter the air outlet channel after converging on the atomizing surface, and the specific setting mode is designed according to the requirement. The atomizing core 13 can be completely accommodated in the accommodating cavity formed by the base 12; or the part of the air flow can be contained in a containing cavity formed by the base 12, the part of the air flow can be contained in a cavity formed by the top cover 11, other structures are correspondingly changed, and the air flow can flow to the atomization surface along at least three directions and can enter the air outlet channel after being converged on the atomization surface.

Referring to fig. 9 and 10, fig. 9 is a schematic structural diagram of an atomizing core in an atomizer provided by the present application, and fig. 10 is a schematic sectional diagram of the atomizing core in the atomizer provided by the present application.

The atomizing core 13 includes a heat generating member 131 and a liquid guiding member 132, and the heat generating member 131 is disposed on one side of the liquid guiding member 132 close to the air outlet channel 15. The liquid guide 132 comprises a porous ceramic element 1321 and a porous cotton rope element 1322; at least a part of the porous ceramic 1321 is disposed between the heat generating member 131 and the porous string 1322. The porous ceramic member 1321 includes a first surface and a second surface opposite to each other, the first surface faces the air outlet passage 15 to serve as an atomizing surface of the atomizing core 13, the heat generating member 131 is disposed on the first surface, a through groove 1323 is formed on the second surface, and the porous wick member 1322 is disposed in the through groove 1323. It should be noted that, in some embodiments, since the atomizing surface faces the air outlet channel, bubbles may be formed in the through slots 1323 of the porous ceramic component 1321 during consumption of the atomizing substrate, and existence of the bubbles may affect liquid discharge, so that liquid supply of the atomizing surface is insufficient, a high temperature is easily generated, a scorched smell is generated, and user experience is affected. In this embodiment, porous cotton rope piece 1322 sets up in leading to groove 1323, because the aperture of porous cotton rope piece 1322 is less than the aperture of bubble far away, can avoid the formation and the production of bubble, improves the stability of liquid discharge, avoids local high temperature, improves user experience. Further, a rib 1324 is provided on the bottom wall of the through slot 1323, and the porous cotton string piece 1322 is pressed and fixed while the strength of the porous ceramic piece 1321 is enhanced.

Referring to fig. 11 to 14, fig. 11 is a schematic view of an assembly structure of a base and an atomizing core in an atomizer provided by the present application, fig. 12 is a schematic view of an assembly structure of a sealing assembly and an atomizing core in an atomizer provided by the present application, fig. 13 is a schematic view of a three-dimensional structure of a sealing assembly in an atomizer provided by the present application, and fig. 14 is a schematic view of a structure of a second surface of a sealing assembly in an atomizer provided by the present application.

In the width direction of the atomizer 1, two opposite side walls of the base 12 are provided with first through holes 123, so that the liquid guide 132 of the atomizing core 13 is exposed to the lower liquid channel 17. The atomizer 1 further comprises a sealing assembly 19 arranged in the base 12, and the sealing assembly 19 is partially arranged between the atomizing core 13 and the base 12, so that an atomizing surface of the atomizing core 13 is separated from a substrate to be atomized in the lower liquid channel 17, and the atomizing core 13 is sealed. That is, the substrate to be atomized in the reservoir chamber 14 enters the liquid guiding member 132 of the atomizing core 13 through the lower liquid passage 17, and the liquid guiding member 132 guides the substrate to be atomized to the atomizing surface by using the capillary force thereof, thereby completing the atomization.

The first surface of the sealing assembly 19 is provided with a second groove 191, the atomizing core 13 is accommodated in the second groove 191, and two opposite sidewalls of the second groove 191 are provided with second through holes 1911 corresponding to the first through holes 123, so as to expose the liquid guiding member 132 of the atomizing core 13, and expose the liquid guiding member 132 to the lower liquid channel 17.

Further, a recess 1912 is provided on the bottom wall of the second groove 191, the recess 1912 extending in the width direction of the atomizer 1 and communicating with the second through hole 1911; a ventilation groove 1913 is formed on the side of the sidewall of the second groove 191 near the open end. Liquid in the stock solution chamber 14 is realized taking a breath through the cooperation of sunken 1912 and air exchange groove 1913, prevents to produce the negative pressure in the stock solution chamber 14 for treat that the atomizing matrix smoothly gets into atomizing core 13 in the stock solution chamber 14, and then avoid atomizing core 13 to appear dry combustion method.

First annular projection 192 and second annular projection 193 are provided on the outer surface of seal member 19, first annular projection 192 is provided on the side of second through hole 1911 close to gas outlet passage 15, and second annular projection 193 is provided on the side of second through hole 1911 far from gas outlet passage 15; the first and second

annular protrusions

192, 193 each abut an inner surface of the base 12. By arranging the first annular protrusion 192, the atomizing surface of the atomizing core 13 is separated from the substrate to be atomized in the lower liquid channel 17, and the substrate to be atomized can only reach the heat generating member 131 through the liquid guiding member 132 of the atomizing core 13 to complete the atomizing process. By providing the second annular projection 193, leakage of the substrate to be atomized from the bottom of the second recess 191, i.e. leakage of liquid from the atomizer 1, is avoided.

A third recess 194 is provided in a second surface of the seal assembly 19 opposite the first surface. Referring to fig. 2, the third recess 194 is provided therein with absorbent cotton 195. Through setting up imbibition cotton 195, even treat that the atomizing matrix spills from the bottom of second recess 191, also absorbed by imbibition cotton 195, further prevented atomizer 1 weeping, and then avoided the influence of weeping to host computer 2 performance to the user that improves uses and experiences and feels.

Further, a protrusion 1941 is provided on a bottom wall of the third groove 194 to form a micro groove. The micro-groove and the absorbent cotton 195 are matched to absorb and store leaked liquid, so that the leaked liquid is prevented from entering the host machine 2.

Referring to fig. 15, fig. 15 is a schematic partial cross-sectional view of an atomizer according to the present application.

An air inlet hole 1951 is formed in the absorbent cotton 195. In the thickness direction of the atomizer 1, communication holes 1942 are provided on both side walls of the seal assembly 19 opposite to the third groove 194, one end of the communication hole 1942 communicates with the air intake hole 1951, and the other end communicates with the first groove 1221 through the vent structure 121. That is, the external atmosphere reaches the atomizing surface through the air intake hole 1951, the communication hole 1942, the vent structure 121, the first groove 1221, and the notch 1222.

It is understood that the communication hole 1942 is provided at the sidewall of the third groove 194, the air intake hole 1951 is formed in the liquid-absorbent cotton 195, and the liquid-absorbent cotton 195 is provided in the third groove 194; in order to ensure that the air intake hole 1951 communicates with the communication hole 1942, a gap forming cavity 196 exists between the surface of the liquid absorbent cotton 195 near the atomizing core 13 and the bottom wall of the third groove 194, and the communication hole 1942 communicates with the air intake hole 1951 through the cavity 196. The communication hole 1942 is at least partially exposed to the cavity 195 to communicate the communication hole 1942 with the air intake hole 1951.

In the present embodiment, the base 12 has through holes (not shown) extending along the axis in both of the opposite side walls in the thickness direction of the nebulizer 1, and forms the vent structure 121. One end of the through hole is located on the side of the flange 122 away from the air outlet channel 15 and connected with the flange 122, so that the through hole is communicated with the first groove 1221. One end of the through hole communicates with the first recess 1221, and the other end communicates with the outside atmosphere through the communication hole 195 and the air inlet hole 1941. In another embodiment, there is a fourth groove (not shown) extending along the axis on the sidewall of the base 12, which cooperates with the outer surface of the seal assembly 19 to form a vent 121; one end of the fourth groove is located on the side of the flange 122 away from the air outlet channel 15 and connected with the flange 122, so that the vent structure 121 is communicated with the first groove 1221. The vent structure 121 may be designed as needed, and the vent structure 121 may communicate the external atmosphere with the first groove 1221.

The atomizer comprises a shell, an atomizing seat and an atomizing core; the shell forms an air outlet channel; the atomization seat is provided with a ventilation structure and an air guide structure, and the ventilation structure is used for communicating the air guide structure with the outside atmosphere; the atomization core is accommodated in an accommodating cavity formed by the atomization seat, and the atomization surface of the atomization core faces the air outlet channel; the air guide structure guides the air flow to the atomization surface along at least three directions, and the air flow is converged on the atomization surface and then enters the air outlet channel. The atomizing surface of the atomizing core is arranged towards the air outlet channel, so that the path of the aerosol atomized by the atomizing core entering the air outlet channel is shortened to the maximum extent, and the aerosol quantity is increased; meanwhile, the air guide structure guides the airflow to flow to the atomizing surface along at least three directions and converge on the atomizing surface, and then the airflow enters the air outlet channel, so that the generation of vortex on the atomizing surface is reduced, the aerosol residue is further reduced, and the generation of condensate is further reduced.

The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes that can be directly or indirectly applied to other related technologies, which are made by using the contents of the present specification and the accompanying drawings, are also included in the scope of the present application.

Claims

1. An atomizing core, comprising:

a heat generating member;

the liquid guide part comprises a porous ceramic part and a porous cotton rope part; at least part of the porous ceramic piece is arranged between the heating piece and the porous cotton rope piece.

2. The atomizing core of claim 1, wherein the porous ceramic piece includes opposing first and second surfaces; the first surface is an atomization surface, and the heating element is arranged on the first surface; a through groove is formed in the second surface, and the porous cotton rope piece is arranged in the through groove.

3. The atomizing core of claim 2, wherein ribs are provided on the bottom wall of the through slot.

4. An atomizer, comprising:

a housing forming an air outlet channel;

the atomization device comprises an atomization seat, wherein a ventilation structure and an air guide structure are arranged on the atomization seat, and the ventilation structure is used for communicating the air guide structure with the outside atmosphere;

the atomizing core is accommodated in the accommodating cavity formed by the atomizing base; the atomization surface of the atomization core faces the air outlet channel;

the air guide structure guides the airflow to flow to the atomization surface along at least three directions, and the airflow is converged on the atomization surface and then enters the air outlet channel.

5. The nebulizer of claim 4, wherein the nebulizing mount comprises a cap and a base that cooperate to form the housing chamber; the ventilation structure is arranged on the base.

6. A nebulizer as claimed in claim 5, wherein the inner surface of the base is provided circumferentially with a flange; the surface of the flange facing the air outlet channel is provided with a first groove, and the first groove is communicated with the ventilation structure; and a notch is arranged on the side wall of the first groove.

7. The atomizer of claim 6, wherein the inner surface of said base further comprises a projection circumferentially disposed thereon, said projection overlying said first recess adjacent the surface of said flange, such that said first recess, said gap and said projection cooperate to form said air directing structure.

8. The atomizer of claim 6, wherein said cap is disposed on a surface of said flange facing said outlet passage and covers said first recess such that said first recess, said gap, and said cap cooperate to form said air directing structure.

9. A nebulizer as claimed in any one of claims 7 or 8, wherein the first recess is of annular configuration and is disposed circumferentially of the flange; the side wall of the first groove is symmetrically provided with a plurality of notches.

10. The nebulizer of claim 9, wherein the first groove is circumscribed to form a rectangle; eight notches are symmetrically arranged on the side wall of the first groove and are correspondingly arranged at the middle points and four corners of the four sides of the rectangle.

11. The atomizer of claim 5, wherein said air directing structure is formed at an end of said top cap remote from said air outlet passageway.

12. The atomizer according to claim 5, wherein the housing further defines a reservoir and a mounting cavity communicating with the reservoir, the base is disposed in the mounting cavity, and the top cap is embedded in an end of the base adjacent to the air outlet channel to seal the reservoir and the air outlet channel; in the width direction of the atomizer, a liquid discharging channel is formed between the outer surfaces of the two opposite side walls of the base and the inner surface of the mounting cavity, and a matrix to be atomized in the liquid storage cavity enters the atomizing core through the liquid discharging channel.

13. The atomizer of claim 9, wherein said atomizing core comprises a heat generating member and a liquid conducting member; the heating piece is arranged on one side of the liquid guide piece close to the air outlet channel; in the width direction of the atomizer, first through holes are formed in two opposite side walls of the base, so that the liquid guide piece of the atomizing core is exposed to the liquid discharging channel.

14. The atomizer of claim 13, further comprising a seal assembly disposed within the base, wherein a second recess is disposed on a first surface of the seal assembly, the atomizing core is received in the second recess, and second through holes are disposed on two opposing sidewalls of the second recess corresponding to the first through holes to expose the liquid-guiding member of the atomizing core.

15. The atomizer according to claim 14, wherein a bottom wall of the second groove is provided with a depression extending in a width direction of the atomizer and communicating with the second through hole; and one side of the side wall of the second groove, which is close to the opening end, is provided with an air exchange groove.

16. The nebulizer of claim 14, wherein the outer surface of the seal assembly is provided with a first annular protrusion and a second annular protrusion; the first annular bulge is arranged on one side, close to the air outlet channel, of the second through hole, and the second annular bulge is arranged on one side, far away from the air outlet channel, of the second through hole; the first annular bulge and the second annular bulge are abutted against the inner surface of the base.

17. The nebulizer of claim 14, wherein a second surface of the sealing assembly opposite the first surface is provided with a third groove, and wherein the third groove is provided with absorbent cotton.

18. A nebulizer as claimed in claim 17, wherein the third recess is provided with a projection on a bottom wall thereof to form a micro groove.

19. The atomizer of claim 17, wherein said absorbent cotton is provided with an air inlet; in the thickness direction of the atomizer, communicating holes are formed in two opposite side walls of the third groove, one end of each communicating hole is communicated with the air inlet hole, and the other end of each communicating hole is communicated with the first groove through the ventilation structure.

20. A nebulizer as claimed in claim 5, wherein the base has an axially extending through hole in at least one side wall thereof to form the vent structure.

21. An electronic atomizer, comprising an atomizer according to any one of claims 4 to 19 and a host.