CN220274934U - Atomizer and electronic atomization device - Google Patents

Abstract

The application discloses an atomizer and an electronic atomization device, wherein the atomizer comprises a shell, a liquid storage cavity and an air flow cavity which are arranged at intervals along a first direction are arranged in an inner cavity of the shell, and the first direction is perpendicular to the longitudinal direction of the shell; a porous body for receiving a liquid matrix from the liquid storage chamber, the porous body having a length direction, a width direction, and a thickness direction that are perpendicular to each other, the length of the porous body being greater than the width of the porous body; and a heating element coupled to the porous body for heating the liquid matrix held on the porous body to generate an aerosol; wherein the porous body is mounted in the inner cavity of the housing in an orientation with its length substantially parallel to a second direction, the second direction being perpendicular to the longitudinal direction of the housing, and the second direction being substantially perpendicular to the first direction.

Description

Atomizer and electronic atomization device

Technical Field

The embodiment of the application relates to the field of aerosol generating devices, in particular to an atomizer and an aerosol generating device.

Background

The electronic atomization device comprises an atomizer and a power supply assembly, wherein the power supply assembly provides electric drive for the atomizer. Wherein the atomizer comprises a cylindrical atomizer, a tubular ceramic core atomizing assembly is usually arranged inside the cylindrical atomizer, and a massive porous ceramic is difficult to be placed inside the cylindrical atomizer due to the size problem.

Disclosure of Invention

An embodiment of the present application provides an internal structure of a nebulizer, which can be placed into a massive porous ceramic body inside the cylindrical nebulizer, the nebulizer comprising:

the inner cavity of the shell is provided with liquid storage cavities and airflow cavities which are arranged at intervals along a first direction, and the first direction is perpendicular to the longitudinal direction of the shell;

a porous body for receiving a liquid matrix from the liquid storage chamber, the porous body having a length direction, a width direction, and a thickness direction that are perpendicular to each other, the length of the porous body being greater than the width of the porous body; and

a heating element coupled to the porous body for heating the liquid matrix held on the porous body to generate an aerosol;

wherein the porous body is disposed in the inner cavity of the housing in an orientation with its length substantially parallel to a second direction, the second direction being perpendicular to the longitudinal direction of the housing, and the second direction being substantially perpendicular to the first direction.

In some embodiments, further comprising a sealing element disposed around at least a portion of the outer surface of the porous body; wherein, along the length direction of the porous body, the inside wall of the sealing element is in contact with the porous body, the outside wall of the sealing element is in contact with a part of the inside wall of the shell, wherein the part of the inside wall of the shell in contact with the sealing element defines the inside diameter of the shell.

In some embodiments, the housing is substantially cylindrical, and the ratio between the length of the porous body and the inner diameter of the housing is greater than 0.5, or the ratio between the length of the porous body and the inner diameter of the housing ranges from 0.6 to 0.9.

In some embodiments, the inner diameter of the housing is less than 20mm.

In some embodiments, the porous body is substantially rectangular.

In some embodiments, an airflow chamber is provided on one side of the porous body or airflow chambers are provided on both sides of the porous body in the width direction of the porous body.

In some embodiments, a first partition extending longitudinally along the housing is disposed within the housing, the first partition for separating the reservoir from the airflow chamber.

In some embodiments, a second partition is disposed within the housing, the second partition for partially defining the reservoir, and a liquid outlet is disposed on the second partition for directing a liquid matrix onto the porous body.

In some embodiments, a protrusion is provided on the second partition wall, and a positioning hole is provided on the sealing element, and the protrusion is fixed in cooperation with the positioning hole.

In some embodiments, the first partition wall includes first and second spaced apart partition walls, the first partition wall at least partially defining a first airflow chamber and the second partition wall at least partially defining a second airflow chamber.

In some embodiments, the porous body is mounted between the first and second partial dividing walls.

In some embodiments, the atomizer further comprises a first electrode column and a second electrode column for supporting the porous body.

In some embodiments, the first electrode columns and the second electrode columns are spaced apart along the second direction.

In some embodiments, the atomizer further comprises a threaded electrode connected to the first electrode column or the second electrode column by a conductive spring.

In some embodiments, the device further comprises a bracket disposed at one end of the housing, the bracket having a slot disposed therein for receiving condensate.

In some embodiments, a portion of the surface of the bracket is configured to slope toward one side of the airflow chamber.

In some embodiments, the device further comprises a sealing cover, wherein the sealing cover is arranged at one end of the support, the sealing cover comprises a shielding arm, a vent hole is arranged on the support, and the shielding wall is used for shielding the open end of the vent hole.

In some embodiments, a ventilation channel is disposed between the sealing element and the porous body, the sealing element further comprising a ventilation post extending at least partially into the interior of the reservoir, ventilation holes in the ventilation post being in communication with the ventilation channel, external air flowing through the ventilation channel and through the ventilation holes in the ventilation post into the reservoir.

One embodiment of the application also provides an atomizer, which comprises a shell, wherein the inner cavity of the shell is provided with liquid storage cavities and air flow cavities which are arranged at intervals along a first direction, the first direction is perpendicular to the longitudinal direction of the shell, and the liquid storage cavities are used for storing liquid matrixes; a porous body for receiving and retaining a portion of the liquid matrix from the liquid reservoir; a heating element coupled to the porous body for heating a portion of the liquid matrix held on the porous body to generate an aerosol; a first electrode column and a second electrode column abutting against the surface of the porous body in the longitudinal direction so as to be electrically connected with the heating element; and a support for supporting the first electrode column and the second electrode column; wherein the first electrode columns and the second electrode columns are arranged at intervals along a second direction, and the second direction is basically perpendicular to the first direction.

An embodiment of the present application further provides an electronic atomization device, including the above-described atomizer and a power supply assembly providing an electric drive for the atomizer.

The beneficial effects of this application are, in above atomizer, first direction, the vertical mutually perpendicular of second direction and can the casing, stock solution chamber and air current chamber carry out the interval along first direction and arrange, massive porous body's length direction is parallel with the second direction for the great length direction of porous body's size can put in the biggest inner chamber of casing, thereby is favorable to placing massive porous body into miniature atomizer, especially in the columniform atomizer, and the porous body can be placed into in the inner chamber of casing according to the aforesaid direction of putting.

Further, the liquid storage cavity and the airflow cavity are arranged at intervals along the direction perpendicular to the length direction of the porous body, so that the airflow cavity and the atomization surface of the porous body are staggered, and accumulation of condensate on the atomization surface is reduced.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

FIG. 1 is a perspective view of an electronic atomization device provided in one embodiment of the present application;

FIG. 2 is a cross-sectional view of a nebulizer provided in one embodiment of the application;

FIG. 3 is a cross-sectional view of yet another view of a nebulizer provided in an embodiment of the application;

FIG. 4 is an exploded view of a nebulizer provided in an embodiment of the application;

FIG. 5 is a perspective view of a stent provided in an embodiment of the present application;

FIG. 6 is a cross-sectional view of a nebulizer provided in yet another embodiment of the application;

FIG. 7 is a cross-sectional view of yet another view of a nebulizer provided in yet another embodiment of the application;

FIG. 8 is a top view of an atomizing assembly provided in one embodiment of the present disclosure mounted into a housing;

FIG. 9 is a cross-sectional view of a sealing element provided by an embodiment of the present application;

fig. 10 is a direction indication diagram of the first direction and the second direction.

The reference numerals in the specific embodiments are:

an atomizer 100; a power supply assembly 200; a threaded sleeve 101; a suction nozzle 11; a nozzle opening 110;

a housing 12; a reservoir 120; an airflow chamber 121; a first airflow chamber 1211;

a second airflow chamber 1212; a first partition wall 122; a first partial dividing wall 1221;

a second partial dividing wall 1222; a second partition 123; a liquid outlet 1231; a protrusion 1232;

a base 13; a threaded electrode 131; an inner electrode 1311; an outer electrode 1312; an insulating ring 1313;

a first vent 1314; a second vent hole 1315; a sealing plug 14; a fixing hole 141;

an elastic snap structure 15; a clasp 151; hollow area 152; a fixing column 153; a metal sleeve 16;

a flange 161; a porous body 21; an atomizing surface 211; a liquid suction surface 212; a side 213;

a heating element 22; a first electrode connection part 221; a second electrode connection part 222; an atomizing chamber 23; a housing chamber 24; a sealing member 30; a liquid inlet 32; a bracket 31; a groove 37; a third vent hole 33; an inclined surface 34; a ventilation column 35; an air vent 351; a ventilation channel 36; a ventilation groove 361;

a seal cap 34; a shielding arm 341; notch 342; a first electrode column 41; a second electrode column 42; a first conductive spring 43; a second conductive dome 44;

Detailed Description

In order to facilitate an understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and detailed description.

It should be noted that, in this embodiment of the present application, all directional indicators (such as up, down, left, right, front, back, horizontal, vertical, etc.) are only used to explain the relative positional relationship, movement situation, etc. between the components in a specific posture (as shown in the drawings), if the specific posture changes, the directional indicators also change accordingly, where "connection" may be a direct connection or an indirect connection, and "setting", "setting" may be a direct setting or an indirect setting.

Furthermore, the descriptions herein as pertaining to "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

An embodiment of the present application provides an electronic atomizing device including an atomizer 100 and a power supply assembly 200, the power supply assembly 200 being configured to supply power to the atomizer 100, the atomizer 100 generating an aerosol by atomizing a liquid matrix stored therein.

The electronic atomizing device has different use values according to the liquid substrate stored in the atomizer 100. For example, when the liquid matrix stored within the atomizer 100 includes an atomization aid, a nicotine formulation, or a flavor component, the electronic atomization device is typically used as an electronic cigarette product to meet the user's needs for nicotine or flavor components. When the liquid matrix stored inside the nebulizer 100 includes both a nebulizing aid and a pharmaceutically active functional component, the electronic nebulizing device is used as a small medical inhalation device for improving the health condition of the user.

The atomizer 100 and the power supply assembly 200 are configured to be detachably connected, and the detachable connection mode can be at least one of magnetic attraction type connection, threaded connection or buckling connection. Fig. 1 shows a structure of an electronic atomizer according to an embodiment of the present application, in which a screw cap 110 is provided at an end of an atomizer 100, and a screw groove is provided at an end of a power supply unit 200, into or out of which a screw cap 101 can be screwed.

Fig. 2 shows a perspective view of the nebulizer 100 according to an embodiment of the application, fig. 3 shows a cross-sectional view of the nebulizer 100 according to an embodiment of the application from one view, fig. 4 shows a cross-sectional view of the nebulizer 100 according to an embodiment of the application from another view, and fig. 5 shows an exploded view of the nebulizer 100 according to an embodiment of the application.

The atomizer 100 comprises an outer shell, which can be formed by combining a plurality of sub-shells, wherein a suction nozzle 11, a shell 12 and a base 13 are respectively arranged along the longitudinal direction of the outer shell, the shell 12 is preferably made of hard transparent plastic materials or glass materials, the shell 12 is provided with a circular tube-shaped structure with two open ends, the suction nozzle 11 is made of food-grade plastic materials, the suction nozzle 11 is connected to one open end of the shell 12, a suction nozzle opening 110 is arranged in the suction nozzle 11, and aerosol generated in the atomizer 100 escapes through the suction nozzle opening 110. The base 13 is made of metal material or hard plastic material, and the base 13 is connected to the opening at the other end of the shell 12. A part of the base 13 is sleeved outside the shell 12, the bottom end of the shell 12 is abutted against the inner wall of the base 13, and the other part of the base 13 is configured as a threaded electrode 131. In alternative other examples, any two of the suction nozzle 11, the housing 12, and the base 13 may be integrally formed, or any one of the suction nozzle 11, the housing 12, and the base 13 may be further divided into a plurality of sub-housings.

The air inlet structure is arranged on the base 13, and the air inlet structure of the base 13 is optimized in one embodiment of the application, so that the atomizer 100 can be adapted to power supply assemblies 200 with different specifications. The screw electrode 131 includes an inner electrode 1311, an outer electrode 1312, and an insulating ring 1313 disposed between the inner electrode 1311 and the outer electrode 1312. The air intake structure comprises a first air intake structure and a second air intake structure which are independent from each other, wherein the first air intake structure is arranged on the inner electrode 1311, the second air intake structure is arranged on the side wall of the base 13, the first air intake structure comprises a first vent hole 1314 arranged on the inner electrode 1311, the first vent hole 1314 extends from the bottom end of the inner electrode 1311 to the side wall of the inner electrode 1311, and the first vent hole 1314 on the side wall of the inner electrode 1311 is communicated with the inner cavity of the base 13. The second air intake structure includes a second air vent 1315 disposed on a sidewall of the base 13, the second air vent 1315 being in communication with the interior cavity of the base 13. The second ventilation hole 1315 is located at the upper end of the external thread of the external electrode 1312, and when the threaded electrode 131 of the atomizer 100 is connected to the power supply assembly 200 by means of a threaded connection, the power supply assembly 200 may be selectively connected to the first air inlet structure of the atomizer 100, the power supply assembly 200 may also be selectively connected to the second air inlet structure of the atomizer 100, and the corresponding power supply assembly 200 may be configured to be different air inlet structures, thereby increasing the adaptability of the atomizer 100.

The atomizer 100 is preferably assembled except for the suction nozzle 11, and the suction nozzle 11 is manually assembled after the liquid matrix is injected into the housing 12, and the suction nozzle 11 and the housing 12 are assembled to have a child lock function, thereby satisfying the safety function of the electronic atomizer. In one embodiment of the present application, a snap-fit connection between the suction nozzle 11 and the housing 12 is provided, so that a convenient manual assembly between the suction nozzle 11 and the housing 12 is enabled.

Specifically, the atomizer 100 further includes a sealing plug 14, a portion of the sealing plug 14 is accommodated inside the housing 12 and is used to seal one end of the housing 12 open, and the other portion of the sealing plug 14 is connected to the mouthpiece 11.

One end of the suction nozzle 11 is provided with an inner hole configured as a suction nozzle opening 110, and the other end of the suction nozzle 11 is provided in a closed manner.

An elastic fastening structure 15 is arranged at the other end of the suction nozzle 11, and the elastic fastening structure 15 can deform along the radial direction after being stressed, so that the suction nozzle 11 is convenient to be manually installed on the shell 12. Referring to fig. 4, in one embodiment provided in the present application, a plurality of buckles 151 are provided on the suction nozzle 11, the plurality of buckles 151 are arranged on the side wall of the suction nozzle 11 at intervals, a hollow area 152 is provided between adjacent buckles 151, the wall thickness of the side wall where the plurality of buckles 151 are located is thinner, so that the side wall where the buckles 151 are located can generate elastic deformation in the process of clamping. A metal sleeve 16 is riveted to one end of the housing 12, a flange 161 is provided on the inner wall of the metal sleeve 16, and a clip 151 is engaged with the flange 161. And in the process of installing the suction nozzle 11, alignment is not needed, and the suction nozzle 11 can be connected with the shell 12 at any angle.

A fixing post 153 is further provided at the other end of the mouthpiece 11, a fixing hole 141 is provided in the sealing plug 14, and the fixing post 153 is fixed in the fixing hole 141.

It should be noted that, the hollow area 152 is communicated with the nozzle 110, and the aerosol generated by the atomization in the atomizer 100 enters the nozzle 110 through the hollow area 152.

The atomizer 100 further includes an atomizing assembly 20, the atomizing assembly 20 including a porous body 21 and a heating element 22 coupled to the porous body 21. Wherein the porous body 21 is configured to be in fluid communication with the reservoir 120, the liquid matrix stored inside the reservoir 120 is able to enter the porous body 21, the porous body 21 itself is able to store a portion of the liquid matrix, the liquid matrix is transferred through the porous body 21 to the heating element 22, and the aerosol is generated by the heating element 22.

The porous body 21 is formed by using a hard porous material including porous ceramics, porous glass, and the like.

The raw material of the heating element 22 may be a metallic material, a metallic alloy, graphite, carbon, a conductive ceramic or other ceramic material and metallic material composite with suitable resistance. Suitable metals or alloy materials include at least one of nickel, cobalt, zirconium, titanium, nickel alloys, cobalt alloys, zirconium alloys, titanium alloys, nichrome, nickel-iron alloys, ferrochrome alloys, titanium alloys, iron-manganese-aluminum based alloys, or stainless steel, among others. The heating element 22 is bonded to the porous body 21 in the form of a heat generating film or a heat generating coating or a heat generating circuit or a heat generating sheet or a heat generating mesh.

Taking a porous body 21 having a substantially rectangular parallelepiped shape as an example, as shown in fig. 8, the porous body 21 has a longitudinal direction L, a width direction W, and a thickness direction H perpendicular to each other, wherein the length of the porous body 21 is larger than the width of the porous body 21.

The porous body 21 includes an atomization face 211, a liquid-absorbing face 212, and a plurality of side faces 213 extending between the atomization face 211 and the liquid-absorbing face 212, the atomization face 211 and the liquid-absorbing face 212 being disposed opposite to each other, wherein the atomization face 211 is configured to be planar, the heating element 22 preferably employs a conductive paste formed by mixing a raw material powder having conductivity with a printing aid, and the conductive paste is bonded to the atomization face 211 by post-printing sintering. The heating element 22 includes a first electrode connection portion 221 near one side of the atomizing face 211 in the longitudinal direction, and a second electrode connection portion 222 near the other side of the atomizing face 211 in the longitudinal direction. The first electrode connection part 221 and the second electrode connection part 222 are preferably made of gold, silver or other materials with low resistivity and high conductivity, the first electrode connection part 221 and the second electrode connection part 222 are approximately circular, and in alternative examples, the two electrode connection parts can be square or elliptical. The heating element 22 further comprises a resistive heating track extending between the first electrode connection 221 and the second electrode connection 222, the resistive heating track having a substantially meandering curved ribbon-like structure.

In one embodiment, the atomizer 100 is optimally designed, so that the cuboid porous body 21 is placed inside the cylindrical shell 12, and a sufficient amount of liquid matrix can be contained inside the liquid storage cavity 120. In contrast to a tubular porous body arranged inside the cylindrical housing 12, the atomizing chamber of this porous body is easily blocked by condensate. The cylindrical atomizer 100 is provided with the block-shaped porous body 21, and a part of the outer surface of the porous body 21 is arranged as the atomizing surface 211, so that the problem of accumulation of condensate on the atomizing surface 211 can be effectively reduced.

The atomizer 100 further comprises a sealing element 30, the sealing element 30 being made of a flexible silicone material or a fibrous material in the form of a sleeve, the sealing element 30 surrounding the liquid suction surface 212 and the side 213 of a portion of the porous body 21.

A liquid storage cavity 120 and an air flow cavity 121 are arranged in the shell 12, wherein the liquid storage cavity 120 is used for storing liquid matrixes, the air flow cavity 121 is configured as an air flow channel, one end of the air flow cavity 121 is communicated with the atomizing cavity 23, the other end of the air flow cavity 121 is communicated with the suction nozzle opening 110, and aerosol generated by atomizing the heating element 22 in the atomizing cavity 23 enters the suction nozzle opening 110 through the air flow cavity 121.

Referring to fig. 10, in the embodiment of the present application, the direction in which the liquid storage chamber 120 and the air flow chamber 121 are spaced apart is defined as a first direction a, which is perpendicular to the longitudinal direction C of the housing 12. The atomizer 100 further comprises a second direction B, wherein the second direction B, the first direction a and the longitudinal direction C of the housing 12 are perpendicular to each other.

Referring to fig. 2, 6 and 8, the porous body 21 is fixed in the inner cavity of the housing 12 in a direction perpendicular to the longitudinal direction of the housing 12. When the outer diameter of the atomizer 100 is smaller, the longer side of the larger size of the porous body 21 can be placed as close to two sidewalls of the housing 12 as possible, so that the massive porous body 21 can be placed into the inner cavity of the housing 12.

Further, the liquid storage cavities 120 and the air flow cavities 121 are arranged at intervals along the direction perpendicular to the length direction of the porous body 21, which is beneficial to staggering the air flow cavities 121 and the atomization surface 211 of the porous body 21, so as to reduce accumulation of condensate on the atomization surface.

Along the length of the porous body 21, the inner side wall of the sealing member 30 is in contact with the outer surface of the porous body 21, the outer side wall of the sealing member 30 is in contact with the inner wall of the housing 12, and a portion of the inner wall of the housing 12 in contact with the sealing member 30 defines the inner diameter of the housing 12. The length of the porous body 21 plus the thickness of the outer side walls of the sealing elements 30 on both sides thereof is thus substantially the same as the inner diameter of the liquid storage jacket 12. And the sealing member 30 is deformed by being pressed during the installation, the thickness of both side walls of the sealing member 30 is relatively small, so that the length of the porous body 21 is very close to the inner diameter of the housing 12. When the inner diameter of the housing 12 is small, the massive porous body 21 can also be fixed in the inner cavity of the housing 12. For example, when the inner diameter of the housing 12 is 8.1mm, the length of the porous body 21 is 6.8mm.

When the porous body 21 is configured as an end face seal rather than a side face seal, the outer surface of the porous body 21 may be configured to be in direct contact with the inner wall of the housing 12, and the length of the porous body 21 may be configured to be substantially the same as the inner diameter of the housing 12.

In alternative examples, the porous body 21 may be configured as an irregular cube, such as a groove provided in the liquid-absorbing surface 212.

In one example provided herein, the inner diameter of the housing 12 is less than 20mm and the ratio of the length of the porous body 21 to the inner diameter of the housing 12 is greater than 0.5.

Further, the inner diameter of the housing 12 may be set to 15mm, 10mm, 8mm, or 5mm, or any range between the above values, or any value within 20. It should be noted that, the inner diameter of the housing 12 mentioned in this application is configured as the diameter of the housing 12.

Further, the ratio of the length of the porous body 21 to the inner diameter of the housing 12 is in the range of 0.6 to 0.9. In alternative examples, the ratio of the length of the porous body 21 to the inner diameter of the housing 12 may be any value between 0.5 and 0.9, or the ratio of the length of the porous body 21 to the inner diameter of the housing 12 may be any range between 0.5 and 0.9, which is not specifically exemplified in the embodiments of the present application.

In some embodiments, the atomizing face 211 of the porous body 21 is offset from the projected face of the airflow chamber 121, and condensate is formed primarily within the airflow chamber 121, so that condensate does not collect on the porous body 21 without affecting the atomizing performance of the ceramic core atomizing assembly 20.

A first partition wall 122 is provided inside the housing 12, and the first partition wall 122 is for partitioning the liquid storage chamber 120 and the air flow chamber 121.

A second partition 123 is further provided inside the housing 12, the second partition 123 being configured to define a bottom of the liquid storage chamber 120, and a liquid outlet 1231 is provided in the second partition 123, and the liquid matrix inside the liquid storage chamber 120 is supplied to the porous body 21 through the liquid outlet 1231.

The liquid suction surface 212 of the porous body 21 is provided toward the liquid storage chamber 120, the sealing member 30 is provided with a liquid inlet 32, the inner diameter of the liquid inlet 32 is configured to be approximately the same as the inner diameter of the liquid outlet 1231, and the liquid matrix in the liquid storage chamber 120 flows into the liquid suction surface 212 of the porous body 21 through the liquid outlet 1231 and the liquid inlet 32 in sequence.

In one embodiment provided herein, a first airflow chamber 1211 and a second airflow chamber 1212 are disposed in the interior cavity of the housing 12, the first airflow chamber 1211 and the second airflow chamber 1212 being located on either side of the reservoir 120, respectively. The first partition wall 122 includes a first partial partition wall 1221 and a second partial partition wall 1222, the first partition wall 122 extending longitudinally from the top end of the housing 10, the end of the first partition wall 122 being closer to the end of the housing 10 than the second partition wall 123.

The first partition wall 122 and the second partition wall 123 are perpendicular to each other, and the first partial partition wall 1221 and the second partial partition wall 1222 are provided on both sides of the second partition wall 123, respectively. The first partition wall 1221, the second partition wall 1222, and the second partition wall 123 enclose a housing chamber for housing the porous body 21.

As shown in fig. 2, 6 and 8, two outer side walls of the sealing member 30 are respectively in contact with the inner wall of the casing 10 in the longitudinal direction of the porous body 21, and as shown in fig. 3 and 7, the other two outer side walls of the sealing member 30 are respectively in contact with the first partition wall 1221 and the second partition wall 1222 in the thickness direction of the porous body 21.

The atomizer 100 further includes a first electrode 41 and a second electrode 42, wherein one end of the first electrode 41 is in contact with the first electrode connection portion 221 and one end of the second electrode 42 is in contact with the second electrode connection portion 222. The first electrode column 41 and the second electrode column 42 described above are used for supporting the porous body 21 in addition to being used for electric conduction.

In a preferred embodiment, the arrangement direction of the first electrode columns 41 and the second electrode columns 42 is substantially along the second direction B, the arrangement direction of the first electrode columns 41 and the second electrode columns 42 is consistent with the length direction of the porous body 21, further, the arrangement direction of the first electrode columns 41 and the second electrode columns 42 is perpendicular to the arrangement direction of the liquid storage cavity 120 and the air flow cavity 121, in a preferred embodiment, the air flow cavity 121 is located at one side or both sides of the liquid storage cavity 120, the porous body 21 is arranged corresponding to the liquid storage cavity 120, the air flow cavity 121 is arranged offset from the atomizing surface 211 of the porous body 21, and the first electrode columns 41 and the second electrode columns 42 are abutted against the atomizing surface 211, thereby avoiding arranging the first electrode columns 41 and the second electrode columns 42 on the air flow path through which the aerosol flows and reducing the blocking of the aerosol caused by the first electrode columns 41 and the second electrode columns 42.

The atomizer 100 further includes a first conductive spring 43 and a second conductive spring 44, wherein one end of the first conductive spring 43 is connected with the first electrode column 41, the other end of the first conductive spring 43 is connected with the external electrode 1312, one end of the second conductive spring 44 is connected with the second electrode column 42, and the other end of the second conductive spring 44 is connected with the internal electrode 1311.

The atomizer 100 further includes a holder 31, a portion of the holder 31 is accommodated in the inner cavity of the housing 12, a first through hole and a second through hole are provided on the holder 31, the first electrode column 41 is fixed in the first through hole, and the second electrode column 42 is fixed in the second through hole. A third blind hole is further provided between the first and second through holes, the third blind hole being for receiving at least a portion of the inner electrode 1311.

The two electrode columns and the two conductive elastic sheets are all in interference riveting on the support, the top ends of the two electrode columns are respectively in physical contact with the two electric connection parts of the heating element 22, welding is not needed, contact conduction between electric connection parts inside the atomizer 100 can be realized, and the atomizer is convenient to assemble, stable and reliable in performance and suitable for automatic production.

Referring to fig. 5, a groove 37 is further provided on the bracket 31, the groove 37 is used for receiving condensate, the groove 37 comprises a first groove 371, a second groove 372, a third groove 373 and a fourth groove 374 which are arranged at intervals, wherein the first groove 371 and the second groove 372 are arranged close to the first airflow cavity 1211 and used for receiving condensate flowing out of the first airflow cavity 1211, and the third groove 373 and the fourth groove 374 are arranged close to the second airflow cavity 1212 and used for receiving condensate flowing out of the second airflow cavity 1212.

A third air vent 33 is further arranged on the bracket 31, one end of the third air vent 33 is communicated with a first air vent 1314 on the base 13, or one end of the third air vent 33 is communicated with a second air vent 1315 on the base 13; the other end of the third vent hole 33 communicates with the atomizing chamber 23.

A sealing cover 34 is further provided at one end of the bracket 31, and the sealing cover 34 is used to seal a connection gap between the bracket 31 and the housing 10. A shielding arm 341 is further arranged on the sealing cover 34, the arm 341 is used for shielding the end opening of the third air vent 33, a notch 342 is arranged on the sealing cover 34, the notch 342 is communicated with the third air vent 33, the notch 342 is staggered with the third air vent 33, and air flow sequentially enters the atomization cavity 23 through the third air vent 33 and the notch 342. The shielding arm 341 can effectively prevent condensate from entering the third vent hole 33 and escaping. The top end of the third air vent 33 is configured as a fan-shaped opening, the notch 342 is also configured as a fan-shaped opening, and the opening direction of the third air vent 33 is opposite to the opening direction of the notch 342, so that the bracket 31 and the sealing cover 34 are combined together to form an air flow outlet.

Fig. 6 shows a cross-sectional view of one view of a nebulizer 100 provided by yet another embodiment of the application, and fig. 7 shows a cross-sectional view of yet another view of the nebulizer 100 provided by yet another embodiment of the application.

In yet another embodiment of the present application, there is provided a structure of the atomizer 100, unlike the above embodiment, in which only one air flow chamber 121 is provided inside the housing 12, the air flow chamber 121 being located at one side of the liquid storage chamber 120, and the volume of the liquid storage chamber 120 can be enlarged as compared with the above embodiment.

Along the length direction of the porous body 21, two outer side walls of the sealing member 30 are in contact with the inner wall of the housing 12, and along the thickness direction of the porous body 21, one of the other two outer side walls of the sealing member 30 is in contact with the first partition wall 122, and the other two outer side walls of the sealing member 30 is in contact with the inner wall of the housing 12.

A projection 1232 is further provided on the second partition 123, and a positioning hole 38 is provided on the sealing member 30, the projection 1232 being inserted into the positioning hole 38.

Further, unlike the above embodiment, the airflow chamber 121 is disposed on one side of the housing 12, the third air vent 33 on the bracket 31 is disposed on the other side of the housing 12, and the projection surfaces of the third air vent 33 and the atomizing surface 211 are also staggered, so that the possibility that condensate enters the third air vent 33 can be reduced.

The slot 32 in the holder 31 is arranged opposite the nebulization chamber 23. An inclined surface 34 is provided on a part of the surface of the holder 31, and the inclined surface 34 is inclined from the tip end surface of the groove 32 toward the airflow chamber 121, so that condensate flowing out from the inside of the airflow chamber 121 can be introduced into the groove 32.

As shown in fig. 9, in still another embodiment of the present application, there is also provided a ventilation structure including a ventilation channel 36 provided between the sealing member 30 and the porous body 21, and a ventilation column 35 provided on the sealing member 30, the ventilation column 35 including ventilation holes 351, the ventilation column 35 being located on a side of the sealing member 30 facing the liquid storage chamber 120, one end of the ventilation column 35 extending into the interior of the liquid storage chamber 120. One end of the ventilation channel 36 is communicated with the atomization cavity 23, and the other end of the ventilation channel 36 is communicated with the ventilation hole 351 on the ventilation column 35, so that the air flow in the atomization cavity 23 is led into the liquid storage cavity 120, and further the problem that negative pressure is formed in the liquid storage cavity 120 due to consumption of liquid matrix can be effectively prevented, and the liquid matrix in the liquid storage cavity 120 can be smoothly supplied to the porous body 21.

By providing the air exchanging column 35, the air exchanging performance of the air exchanging structure inside the atomizer 100 is stable, and the air exchanging structure cannot exchange air due to the liquid substrate blocking the air exchanging channel 36, and in addition, one end of the air exchanging column 35 extends to the inside of the liquid storage cavity 120, so that the air flow can be promoted to be smoothly led into the inside of the liquid storage cavity 120.

The ventilation channel 36 is disposed between the sealing element 30 and the porous body 21, and at least one ventilation hole or at least one ventilation groove is provided in the sealing element 30 or the porous body 21, for example, the axis of the ventilation groove or the ventilation hole extends in a substantially curved or zigzag shape, thereby improving the leakage-proof capability of the ventilation channel 36.

It should be noted that the description and drawings of the present application show preferred embodiments of the present application, but are not limited to the embodiments described in the present application, and further, those skilled in the art can make modifications or changes according to the above description, and all such modifications and changes should fall within the scope of the appended claims.

Claims (20)

1. An atomizer, comprising:

the inner cavity of the shell is provided with liquid storage cavities and airflow cavities which are arranged at intervals along a first direction, and the first direction is perpendicular to the longitudinal direction of the shell;

a porous body for receiving a liquid matrix from the liquid storage chamber, the porous body having a length direction, a width direction, and a thickness direction that are perpendicular to each other, the length of the porous body being greater than the width of the porous body; and

a heating element coupled to the porous body for heating the liquid matrix held on the porous body to generate an aerosol;

wherein the porous body is mounted in the inner cavity of the housing in an orientation with its length substantially parallel to a second direction, the second direction being perpendicular to the longitudinal direction of the housing, and the second direction being substantially perpendicular to the first direction.

2. The nebulizer of claim 1, further comprising a sealing element disposed around at least a portion of an outer surface of the porous body;

wherein, along the length direction of the porous body, the inside wall of the sealing element is in contact with the porous body, the outside wall of the sealing element is in contact with a part of the inside wall of the shell, wherein the part of the inside wall of the shell in contact with the sealing element defines the inside diameter of the shell.

3. The atomizer of claim 2 wherein said housing is substantially cylindrical, wherein a ratio between a length of said porous body and an inner diameter of said housing is greater than 0.5, or wherein a ratio between a length of said porous body and an inner diameter of said housing ranges from 0.6 to 0.9.

4. A nebulizer as claimed in claim 3, wherein the inner diameter of the housing is less than 20mm.

5. The nebulizer of claim 1, wherein the porous body is substantially rectangular.

6. The atomizer of claim 1, wherein one side of said porous body is provided with an air flow channel along a width direction of said porous body, or both sides of said porous body are provided with an air flow channel.

7. The atomizer of claim 2 wherein a first partition extending longitudinally of said housing is disposed within said housing, said first partition separating said reservoir from said airflow chamber.

8. The atomizer of claim 7 wherein a second partition is disposed within said housing, said second partition being adapted to partially define said reservoir, a liquid outlet being disposed on said second partition, said liquid outlet being adapted to direct a liquid matrix onto said porous body.

9. The atomizer of claim 8 wherein said second partition is provided with a projection, said sealing element is provided with a locating hole, and said projection is cooperatively secured to said locating hole.

10. The atomizer of claim 7 wherein said first dividing wall comprises first and second dividing walls disposed in spaced relation, said first dividing wall at least partially defining a first airflow chamber and said second dividing wall at least partially defining a second airflow chamber.

11. The atomizer of claim 10 wherein said porous body is mounted between said first and second partial dividing walls.

12. The nebulizer of claim 1, further comprising a first electrode column and a second electrode column, the first electrode column and the second electrode column being configured to support the porous body.

13. The nebulizer of claim 12, wherein the first electrode column and the second electrode column are spaced apart along the second direction.

14. The nebulizer of claim 12, further comprising a threaded electrode connected to the first electrode post or the second electrode post by a conductive spring.

15. The atomizer of claim 1 further comprising a bracket disposed at one end of said housing, said bracket having a slot disposed therein for receiving condensate.

16. The nebulizer of claim 15, wherein a portion of a surface of the bracket is configured to slope toward a side of the airflow chamber.

17. The nebulizer of claim 15, further comprising a sealing cover disposed at one end of the bracket, the sealing cover comprising a shielding arm provided with a vent hole, the shielding arm for shielding an open end of the vent hole.

18. The atomizer of claim 2 wherein a vent passage is disposed between said sealing element and said porous body, said sealing element further comprising a vent post extending at least partially into an interior of said reservoir, said vent hole in said vent post being in communication with said vent passage, external air flowing through said vent passage and said vent hole in said vent post into said reservoir.

19. An atomizer, comprising:

the liquid storage device comprises a shell, wherein the inner cavity of the shell is provided with liquid storage cavities and airflow cavities which are arranged at intervals along a first direction, the first direction is perpendicular to the longitudinal direction of the shell, and the liquid storage cavities are used for storing liquid matrixes;

a porous body for receiving and retaining a portion of the liquid matrix from the liquid reservoir;

a heating element coupled to the porous body for heating a portion of the liquid matrix held on the porous body to generate an aerosol;

a first electrode column and a second electrode column abutting against the surface of the porous body in the longitudinal direction so as to be electrically connected with the heating element; and

a support for supporting the first electrode column and the second electrode column;

wherein the first electrode columns and the second electrode columns are arranged at intervals along a second direction, and the second direction is basically perpendicular to the first direction.

20. An electronic atomising device comprising an atomiser according to any one of claims 1 to 19 and a power supply assembly for providing an electrical drive to the atomiser.