CN114376273A

CN114376273A - Atomization structure, atomizer and aerosol generating device

Info

Publication number: CN114376273A
Application number: CN202210032701.8A
Authority: CN
Inventors: 张春华
Original assignee: Shenzhen Damai Development Co ltd
Current assignee: Shenzhen Damai Development Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-04-22
Also published as: EP4223159A1; CA3184069A1; US20230218000A1

Abstract

The application relates to an atomization structure, an atomizer and an aerosol generating device, wherein a guide part is contacted with an atomization medium, and the atomization medium is transmitted to the inside of an atomization part through an inner wall part and an outer wall in sequence; the outer wall forms a first atomization surface, and a first air channel for transmitting aerosol generated by the first atomization surface is formed between the outer wall and the inner wall part. The heating body indirectly contacts the atomized medium in the liquid storage cavity through the guide part, and has a longer distance with the atomized medium in the liquid storage cavity, so that the heat transfer is effectively isolated, the atomized medium in the liquid storage cavity is prevented from deteriorating due to high temperature, and the heating efficiency of the whole atomization structural part is high; the outer wall of atomizing portion directly contacts with the inner wall portion of guide portion, and guide portion acquires the atomizing medium through the imbibition face, leads the big and all-round oil guide of oil area, can effectively ensure the fuel feeding abundant, ensures that the atomizing medium smoothly carries to the heat-generating body in the same direction as ground, has solved traditional atomizing atomization effect not good, and the smog volume is not enough problem.

Description

Atomization structure, atomizer and aerosol generating device

Technical Field

The present application relates to the field of atomization technology, and in particular, to an atomization structure, an atomizer, and an aerosol-generating device.

Background

The electronic atomization device in the prior art mainly comprises an atomizer and a power supply. The atomizer generally comprises a liquid storage cavity and an atomizing structural part, wherein the liquid storage cavity is used for storing an atomizable medium, and the atomizing structural part is used for heating and atomizing the atomizable medium to form aerosol which can be eaten by a smoker; the power source is used to provide energy to the atomizing structure.

In the prior art, a heating element on an atomizing core is usually installed on an oil guide surface of an oil guide member by printing, embedding and the like or directly and fixedly installed on the oil guide surface of the oil guide member. Adopt such heat-generating body fixed mode, its heat-generating body all with lead oil level direct contact, at the heat-generating body during operation, the heat of its production can lead to the oil level through atomizing face direct conduction to the atomizing medium that contacts bottom position heats, so, not only can lead to the too much loss of heat-generating body heat, can heat the atomizing medium of bottom many times repeatedly moreover, is unfavorable for atomizing medium's storage.

Disclosure of Invention

In view of this, there is a need for an atomizing structure, an atomizer and an aerosol-generating device.

An atomization structural member comprises an atomization core component and a heating body;

the atomizing core assembly comprises an atomizing part and a guide part, the heating body is at least partially embedded in the atomizing part, and the atomizing part is fixed in the guide part;

the atomization part is provided with an outer wall, the guide part is provided with an inner wall part, and the outer wall is partially contacted with the inner wall part;

the guide part is in contact with an atomized medium and sequentially transfers the atomized medium to the atomization part through the inner wall part and the outer wall;

the outer wall forms a first atomization surface, and a first air channel for transmitting aerosol generated by the first atomization surface is formed between the outer wall and the inner wall part.

According to the atomization structural part, on one hand, a physical interval is formed between the atomization surface and the liquid absorption surface, and the heating body indirectly contacts the atomization medium in the liquid storage cavity through the guide part, so that a longer distance exists between the heating body and the atomization medium in the liquid storage cavity, the heat transfer is effectively isolated, the atomization medium in the liquid storage cavity is prevented from deteriorating due to high temperature, and the heating efficiency of the whole atomization structural part is high; on the other hand the outer wall of atomizing portion directly contacts with the inner wall portion of guide portion, and the guide portion acquires the atomizing medium through the imbibition face, leads the oil area big and all-round oil guide, can effectively ensure the fuel feeding abundant, ensures that the atomizing medium smoothly carries to the heat-generating body smoothly, and the atomizing volume is big, has solved traditional atomizing atomization's atomization effect not good, and the smog volume is not enough problem.

Further, in one embodiment, the guide portion has an outer wall portion provided with the liquid suction surface.

In one embodiment, the outer wall and the inner wall portion have a surface contact, and the contact surface is tangential; or the shortest distance from the inner wall of the atomizing part to the outer wall of the guide part is less than or equal to the sum of the distance from the inner wall to the outer wall and the distance from the inner wall to the outer wall.

In one embodiment, the number of the first air passages is at least two; and/or all the first air passages are uniformly arranged.

In one embodiment, the atomizing part has a central axis, and each of the first air passages is uniformly arranged with respect to the central axis.

In one embodiment, the atomizing part has an inner wall which forms a second atomizing surface and a second air passage for transmitting aerosol generated by the second atomizing surface.

In one embodiment, a position avoiding groove is formed at the bottom of the atomizing part, so that the first air passage and the second air passage are in fluid communication through the position avoiding groove; and/or the presence of a catalyst in the reaction mixture,

and a flow area is formed at the top of the atomization part, so that the first air passage and the second air passage are in fluid communication through the position avoiding groove.

In one embodiment, the atomizing core assembly is convexly provided with a limit step higher than the atomizing part on the guide part.

In one embodiment, the atomizer comprises a liquid storage structure and any one of the atomizing structures;

the liquid storage structural part is provided with a liquid storage cavity, the liquid storage cavity is used for containing the atomized medium, and the guide part is used for contacting the atomized medium;

the aerosol generated by the heating element passes through the first air passage and the second air passage and is output outwards through the liquid storage structural member.

In one embodiment, the liquid storage structure is provided with an upper sealing element, a lower sealing element and a shell, the upper sealing element covers the shell and is partially arranged in a mounting cavity of the shell, and the lower sealing element is arranged in the mounting cavity;

the atomization structural part is provided with a sealing sleeve and a vent pipe, one end of the vent pipe is in sealing butt joint with the upper sealing part, the other end of the vent pipe is in sealing butt joint with the sealing sleeve, and the vent pipe is sequentially in butt joint with the atomization core assembly, the lower sealing part and the shell through the sealing sleeve;

the air pipe is at least partially positioned in the shell, the liquid storage cavity is formed in the installation cavity and positioned between the shell and the air pipe, a main air passage of the air pipe is respectively communicated with the first air passage and the second air passage in a fluid mode so as to transmit the aerosol, and the main air passage is output outwards through the first communication port of the upper sealing element;

the atomization structural part further comprises a mounting part and a sealing kit, the mounting part is sleeved outside the lead of the guide part and is positioned in the lower sealing part, the sealing kit is sleeved outside the lower sealing part or is sleeved in a groove body of the lower sealing part, and the mounting part, the lower sealing part and the sealing kit are matched to enable the lower sealing part to be tightly abutted against the shell to seal the liquid storage cavity, so that the atomization medium in the liquid storage cavity only contacts the liquid absorption surface of the guide part;

the shell is provided with at least two electrode mounting seats, and the lead is electrically connected with an electrode piece in the electrode mounting seats;

the shell is provided with at least one air inlet which is respectively communicated with the first air passage and the second air passage.

In one embodiment, an aerosol-generating device comprises a power source and any one of the nebulizers, the power source being connected to the nebulizer for supplying power.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of an atomization structure according to the present application.

FIG. 2 is a schematic cross-sectional view of the embodiment of FIG. 1 in one direction.

Fig. 3 is another schematic view of the embodiment shown in fig. 1.

Fig. 4 is another schematic view of the embodiment shown in fig. 1.

FIG. 5 is a schematic diagram of an atomizing core assembly according to another embodiment of the atomizing structure described herein.

Fig. 6 is another schematic view of the embodiment shown in fig. 5.

Fig. 7 is another schematic view of the embodiment of fig. 5.

FIG. 8 is a schematic cross-sectional view of the embodiment of FIG. 5 in one direction.

FIG. 9 is a schematic diagram of an atomizing core assembly according to another embodiment of the atomizing structure described herein.

FIG. 10 is a schematic diagram of an atomizing core assembly according to another embodiment of the atomizing structure described herein.

Fig. 11 is a schematic structural diagram of an embodiment of an atomization device according to the present application.

Fig. 12 is another schematic view of the embodiment of fig. 11.

Fig. 13 is another schematic view of the embodiment of fig. 11.

FIG. 14 is a schematic sectional view taken along line A-A of the embodiment shown in FIG. 13.

FIG. 15 is another schematic cross-sectional view of the embodiment of FIG. 13.

Fig. 16 is an exploded view of the embodiment of fig. 13.

Fig. 17 is another schematic view of the embodiment of fig. 16.

Fig. 18 is another schematic view of the embodiment of fig. 16.

Figure 19 is a schematic structural view of an embodiment of an aerosol-generating device according to the present application.

FIG. 20 is a schematic cross-sectional view in one direction of the embodiment of FIG. 19.

FIG. 21 is another schematic cross-sectional view of the embodiment of FIG. 19.

Fig. 22 is an exploded view of the embodiment of fig. 19.

FIG. 23 is another exploded view of the embodiment of FIG. 19.

FIG. 24 is another exploded view of the embodiment of FIG. 19.

Reference numerals: the atomizing structure 100, the liquid storage structure 200, the suction nozzle structure 300, the power supply structure 400, the gravity direction G and the air flow direction P; the atomizing core assembly 110, the heating element 120, the sealing upper cover 130, the electrode member 140, the vent pipe 150, the mounting member 160, the sealing kit 170 and the air channel 190; the device comprises an atomizing part 111, a guide part 112, a flow area 113, a spacing groove 114, an inner wall 115, an outer wall 116, a top part 117, a limiting step 118 and a liquid suction surface 119; an inner wall portion 112A and an outer wall portion 112B; the electrode comprises an electrode core 141, an electrode sealing sleeve 142, an exhaust hole 151, an air inlet 171, a fixed end 172, a connecting end 173, an air inlet chamber 174, a first air passage 191, a second air passage 192 and a main air passage 193; an upper sealing member 210, a lower sealing member 220, a gasket 230, a case 240, a reservoir chamber 260, a first communication port 211, a first liquid injection port 212, an air intake passage 221, a mounting groove 222, a second communication port 231, a second liquid injection port 232, a mounting chamber 241, an electrode mounting seat 242, and an air intake 243; the output port 301, the shell 410, the bracket part 420, the battery 430, the circuit board 440, the control part 450, the connecting end 460 and the bottom shell 470; a key 451, a key base 452, and a connector 453.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

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

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The application discloses an atomization structural component, which comprises a part of or the whole structure of the following embodiments; that is, the atomization structure includes some or all of the following technical features. In one embodiment of the present application, an atomizing structure 100 is shown in fig. 1, and includes an atomizing core assembly 110 and a heating element 120; referring to fig. 2, the atomizing core assembly 110 includes an atomizing part 111 and a guiding part 112, the heating element 120 is at least partially embedded in the atomizing part 111, and the atomizing part 111 is fixed in the guiding part 112; the atomizing part 111 has an outer wall 116, the guide part 112 has an inner wall 112A, and the outer wall 116 is partially disposed in contact with the inner wall 112A in fig. 3 and 4; the guide portion 112 contacts the atomizing medium and delivers the atomizing medium to the atomizing portion 111 through the inner wall portion 112A and the outer wall 116 in this order; the outer wall 116 forms a first atomizing surface, and a first air channel 191 for transporting aerosol generated by the first atomizing surface is formed between the outer wall 116 and the inner wall portion 112A. According to the atomization structural part, on one hand, a physical interval is formed between the atomization surface and the liquid absorption surface, and the heating body indirectly contacts the atomization medium in the liquid storage cavity through the guide part, so that a longer distance exists between the heating body and the atomization medium in the liquid storage cavity, the heat transfer is effectively isolated, the atomization medium in the liquid storage cavity is prevented from deteriorating due to high temperature, and the heating efficiency of the whole atomization structural part is high; on the other hand the outer wall of atomizing portion directly contacts with the inner wall portion of guide portion, and the guide portion acquires the atomizing medium through the imbibition face, leads the oil area big and all-round oil guide, can effectively ensure the fuel feeding abundant, ensures that the atomizing medium smoothly carries to the heat-generating body smoothly, and the atomizing volume is big, has solved traditional atomizing atomization's atomization effect not good, and the smog volume is not enough problem.

In one embodiment, the guiding portion 112 is provided with a liquid absorbing surface 119 in contact with the atomized medium, and the liquid absorbing surface 119 is configured to absorb the atomized medium into the guiding portion 112 and sequentially pass through the inner wall portion 112A and the outer wall 116 to the inside of the atomizing portion 111. Further, in one embodiment, the guide portion 112 has an outer wall portion 112B, and the outer wall portion 112B is provided with the suction surface 119. In one embodiment, an atomizing structure 100 includes an atomizing core assembly 110 and a heating element 120; the atomizing core assembly 110 comprises an atomizing part 111 and a guiding part 112, the heating element 120 is at least partially embedded in the atomizing part 111, and the atomizing part 111 is fixed in the guiding part 112; the atomization portion 111 has an outer wall 116, the guide portion 112 has an inner wall 112A and an outer wall 112B, and the outer wall 116 is partially in contact with the inner wall 112A; the guiding portion 112 contacts the atomizing medium at the outer wall portion 112B thereof, and sequentially transfers the atomizing medium to the inside of the atomizing unit 111 through the outer wall portion 112B, the inner wall portion 112A, and the outer wall 116; the outer wall 116 forms a first atomizing surface, and a first air channel 191 for transporting aerosol generated by the first atomizing surface is formed between the outer wall 116 and the inner wall portion 112A. In this embodiment, the heating element 120 includes a spiral heating wire, a mesh heating wire, and a sheet heating wire; and/or, the heating element 120 is provided with a wire extending to the outside of the atomizing part 111. In one embodiment, the heat generating body 120 is integrally formed with the atomizing area 111 and is located between the outer wall 116 and the inner wall 115.

In one embodiment, the atomizing core assembly 110 includes an atomizing part 111 and a guide part 112; the part of the atomization structure 100 for realizing the atomization function comprises an atomization part 111 and a heating element 120, wherein the heating element 120 is embedded in the atomization part 111; the guide part 112 has a cylindrical structure including an inner wall part 112A and an outer wall part 112B, the inner wall part 112A is connected to the atomizing part 111, and the outer wall part 112B is at least partially in contact with the atomizing medium so that the atomizing medium is transferred from the inside of the guide part 112 to the atomizing part 111, and is finally atomized by the heating element 120 to generate aerosol.

Further, in one embodiment, at least 80% of the outer surface of the guide portion 112, i.e., the outer wall portion 112B, is set as the suction surface 119. Further, in one embodiment, as shown in fig. 4 or fig. 5, the outer surface of the guide portion 112 is entirely set as the suction surface 119 or the surface of the guide portion 112 facing away from the outer wall 116 is entirely set as the suction surface 119. In one embodiment, the guiding portion 112 is a regular round tubular structure, and in one embodiment, the outer surface of the guiding portion 112 away from the atomizing portion 111 is the liquid absorbing surface 119. In one embodiment, the atomizing part 111 and the guiding part 112 are made of microporous materials with certain porosity, that is, the atomizing core assembly 110 has a porous structure inside, that is, the atomizing part 111 and the guiding part 112 have a porous structure. In various embodiments, the porous structure may also be referred to as a hollow porous body, and exhibits a "porous" form on a microscopic level, so as to transmit the atomizing medium inside the atomizing core assembly 110 and the atomizing part 111 thereof, and due to the characteristics of the porous structure, the atomizing medium is transmitted by gravity and capillary action, so that the heating element 120 can heat the atomizing medium in the atomizing part 111 to generate aerosol, and the aerosol is transmitted out of the first air passage 191 and the second air passage 192 outside the atomizing part 111. Further, the pore size of the porous structure is 100 nanometers to 120 micrometers; in one embodiment, the pore size of the porous structure is from 1 micron to 100 microns. In one embodiment, the pore size of the porous structure is 10 to 50 microns. The porous structure is made of ceramic or glass and the like. In one embodiment, the internal porosity of the porous structure is from 30% to 90%, and in one embodiment, the internal porosity of the porous structure is from 50% to 65%. Such a design facilitates the transport of the atomized medium only through the interior of the atomizing part 111.

Further, in one embodiment, the porosity of the guiding portion 112 is greater than the porosity of the atomizing portion 111, so that the total amount of the atomizing medium supplied by the guiding portion 112 is sufficient, and the relatively low porosity of the atomizing portion 111 can prevent the atomizing portion 111 from leaking due to the high porosity, thereby facilitating the flow of the atomizing medium to the atomizing portion 111. Further, in one embodiment, the guiding portion 112 is provided with different apertures inside to form a guiding channel, and the liquid absorbing surface 119 delivers the atomizing medium to the atomizing portion 111 or the connecting section 114 through the guiding channel, so as to facilitate accurate and uniform delivery of the atomizing medium to the atomizing portion 111 and the heating element 120 therein, thereby obtaining a uniform aerosol. In addition, the design connects the atomizing part 111 and the guiding part 112, and the atomizing medium is transported, for example, oil is guided through the oil guiding part, that is, the entire tubular outer wall of the guiding part 112, the oil guiding area is large, and the oil is guided in all directions, so that the sufficient supply of the atomizing medium to the heating element 120 can be effectively ensured, and the atomizing part, that is, the atomizing part 111 includes a plurality of atomizing areas inside and outside the tube, and the atomizing amount is large.

In one embodiment, as shown in fig. 2, the atomizing area 111 has an inner wall 115, and the inner wall 115 forms a second atomizing surface and a second air passage 192 for transmitting aerosol generated by the second atomizing surface. In one embodiment, as shown in fig. 2 and 4, the atomizing core assembly 110 forms an avoiding groove 114 at the bottom of the atomizing part 111, so that the first air channel 191 and the second air channel 192 are in fluid communication through the avoiding groove 114. Further, in one embodiment, as shown in fig. 2, the atomizing area 111 has a top 117, and the top 117 is configured to cooperate with and maintain fluid communication between the first air channel 191 and the second air channel 192 when installed, for example, when other components are installed. In one embodiment, as shown in fig. 2 and 3, the atomizing core assembly 110 forms a flow area 113 at the top 117 of the atomizing part 111, so that the first air channel 191 and the second air channel 192 are in fluid communication through the avoiding groove 114. That is, the upper end surface of the atomizing area 111 is lower than the upper end surface of the guide area 112, or the lower end surface of the atomizing area 111 is higher than the lower end surface of the guide area 112, so that the intake air can simultaneously pass through the two smoke passages, that is, the first air passage 191 and the second air passage 192, and flow out of the two smoke passages. Such a design is advantageous to avoid blockage of the first air passage 191 and the second air passage 192 due to a tight fitting installation manner, thereby ensuring that the aerosol generated by the first atomizing surface is transmitted through the first air passage 191 and the aerosol generated by the second atomizing surface is transmitted through the second air passage 192.

Further, in one embodiment, the first air channel 191 and the second air channel 192 are disposed to communicate with two sides of the atomizing core assembly 110 respectively. In this embodiment, an air inlet end is disposed on one side of the atomizing core assembly 110, and the first air passage 191 and the second air passage 192 are respectively communicated with the air inlet end; an air outlet end is formed in the other side of the atomizing core assembly 110, and the first air channel 191 and the second air channel 192 are respectively communicated with the air outlet end. Further, in one embodiment, the atomizing core assembly 110 forms the flow-through area 113 at the air outlet end and the avoiding groove 114 at the air inlet end. The design of the air inlet and the air outlet, that is, the design of the circulation region 113 and the avoiding groove 114, enables the external air to enter the atomization region formed by the inner wall 115 and the outer wall 116 under the action of the heating element 120, so as to form a passage for circulation of the external-internal-external air, and enables the aerosol generated by the heating element 120 heating the atomization medium to be mixed with the external air and then output.

In one embodiment, as shown in fig. 2 and 3, the atomizing core assembly 110 is provided with a limiting step 118 protruding from the guiding portion 112 and higher than the atomizing portion 111. Further, in one embodiment, the atomizing core assembly 110 is provided with a limiting step 118 protruding from the guiding portion 112 and higher than the atomizing portion 111, and the outline of the limiting step 118 is smaller than the outline of the guiding portion 112 to form an installation position. Further, in one embodiment, the height of the atomizing part 111 is smaller than the height of the guiding part 112 in the gravity direction. Further, in one embodiment, as shown in fig. 5 and 8, the guiding portion 112 and the atomizing portion 111 are disposed at the same height in the gravity direction; the design is beneficial to comprehensively utilizing the gravity action and the capillary action to convey the atomized medium from the inside of the atomized core assembly 110.

In one embodiment, as shown in fig. 2, in the gravity direction, the height of the atomizing part 111 is greater than that of the guiding part 112 and less than that of the limiting step 118. The design of spacing step is favorable to the cooperation sealed connection breather pipe on the one hand and avoids atomizing medium to get into first air duct 191 and second air duct 192, and on the other hand is favorable to guaranteeing aerosol in first air duct 191 and the second air duct 192 gets into the breather pipe, avoids being sealed butt and leads to unable fluid intercommunication.

In one embodiment, the number of the first air passages 191 is at least two; and/or, the first air passages 191 are uniformly arranged. In one embodiment, the atomizing area 111 has a central axis, and each of the first air passages 191 is uniformly arranged with respect to the central axis. Further, in one embodiment, as shown in fig. 5, the atomizing core assembly 110 has an axisymmetric structure, the atomizing area 111 has a central axis, the number of the first air passages 191 is two, and each of the first air passages 191 is uniformly arranged with respect to the central axis. In one embodiment, the inner wall 115 of the atomizing area 111 forms a second atomizing surface and a second air passage 192 for transmitting aerosol generated by the second atomizing surface. Referring to fig. 6 and 7, the second air duct 192 has a cylindrical shape, and in the present embodiment, as shown in fig. 8, the outer wall portion 112B of the guide portion 112 is set as the liquid suction surface 119.

In one embodiment, as shown in fig. 4 or 6, the outer wall 116 is in surface contact with the inner wall portion 112A, and the contact surface is tangential. Alternatively, as shown in fig. 9 or 10, the outer wall 116 may be in surface contact with the inner wall 112A, and the contact surface may be tangential. Further, in one embodiment, as shown in fig. 3 and 4, the outer wall 116 or the inner wall 112A has a protruding structure, and the outer wall 116 and the inner wall 112A are disposed in contact with each other through the protruding structure.

In one embodiment, as shown in fig. 5 and 6, the shortest distance from the inner wall 115 of the atomizing area 111 to the outer wall 112B of the guiding area 112 is less than or equal to the sum of the distance from the inner wall 115 to the outer wall 116 and the distance from the inner wall 112A to the outer wall 112B; when the thickness of the atomization part 111 is uniform, the distance from the inner wall 115 to the outer wall 116 is the thickness of the atomization part 111, and may be referred to as a first thickness; when the thickness of the guide part 112 is uniform, the distance from the inner wall part 112A to the outer wall part 112B is the thickness of the guide part 112, and may be referred to as a second thickness; the shortest distance from the inner wall 115 to the outer wall portion 112B is less than or equal to the sum of the first thickness and the second thickness. For embodiments where the outer wall 116 has a surface contact with the inner wall portion 112A, and the contact surface is tangential, as shown in FIG. 10, the shortest distance from the inner wall 115 to the outer wall portion 112B is equal to the sum of the first thickness and the second thickness. For the embodiment where the outer wall 116 and the outer wall 112B have surface contact and contact surfaces that are tangential, as shown in fig. 6 and 7, the shortest distance from the inner wall 115 to the outer wall 112B is equal to the first thickness and also equal to the second thickness, in this embodiment, the first thickness is equal to the second thickness. That is, the shortest distance from the inner wall 115 to the outer wall 112B is smaller than the sum of the first thickness and the second thickness. The rest of the embodiments are analogized and are not described in detail. Such design is favorable to promoting the outer wall of atomizing portion and the inner wall portion area of contact of guide portion on the one hand, and on the other hand is favorable to promoting the conveying efficiency of atomizing medium from guide portion to atomizing portion, leads the oil area big and all-round oil guide, can effectively ensure the fuel feeding abundant, and the atomizing volume is big, has solved traditional atomizing atomization's atomization effect not good, and the smog volume is not enough problem.

Further, at the connecting position of the atomizing part 111 and the guide part 112, the outer surface of the atomizing part 111 is tangent to the inner surface of the guide part 112 or is located between the inner wall part 112A and the outer wall part 112B of the guide part 112, and the distance from the heating element 120 to the outer wall part 112B is greater than the distance from the inner wall part 112A to the outer wall part 112B, so as to ensure the distance between the heating element 120 and the atomizing medium in the liquid storage chamber. In such a design, an important point of the present embodiment is to heat the heating element 120 uniformly, so as to ensure the uniformity of heating the atomized medium, and further ensure the consistency of the atomized aerosol, and another important point of the present invention is to make the heating element 120 indirectly contact the atomized medium in the liquid storage chamber to effectively isolate the heat transfer, which is beneficial to avoiding the deterioration of the atomized medium in the liquid storage chamber caused by high temperature.

In order to avoid the leakage of the atomized medium, in one embodiment, the surface of the bottom of the atomizing part 111 and/or the guiding part 112 is provided with a leak-proof sealing layer, i.e. a sealing medium, in the gravity direction. Further, in one embodiment, the leak-proof sealing layer is a coating layer or a sheet layer. In one embodiment, the bottom of the atomizing part 111 and/or the guiding part 112 is covered with a non-oil-guiding medium, which may include a coating, a sealing member, and other non-oil-guiding materials, so as to prevent the atomizing medium stored inside the atomizing part 111 and/or the guiding part 112 from leaking out of the atomizing core assembly 110. Further, in one embodiment, the leakage-proof sealing layer is disposed at a position of the guiding portion 112 except for the liquid suction surface 119 and the position where it contacts the atomization portion 111 to prevent the atomization medium from leaking.

In one embodiment, an atomizer comprises a liquid storage structure and the atomizing structure 100 of any one of the embodiments. In one embodiment, an atomizer is shown in fig. 11 and 12, and includes a liquid storage structure 200 and the atomizing structure 100 of any one embodiment in the liquid storage structure 200; with reference to fig. 13 and 14, the liquid storage structure 200 is provided with a liquid storage cavity 260, the liquid storage cavity 260 is configured to accommodate the atomized medium, and the guiding portion 112 or the liquid absorbing surface 119 thereof is configured to contact the atomized medium; the aerosol generated by the heating element 120 passes through the first air passage 191 and the second air passage 192, and is output to the outside through the liquid storage structure 200.

Further, as shown in fig. 19, the atomizer further includes a nozzle structure 300, and in one embodiment, as shown in fig. 19 and 20, the atomizer includes a liquid storage structure 200, a nozzle structure 300, and the atomizing structure 100 according to any embodiment; the liquid storage structure 200 is provided with a liquid storage cavity 260, the liquid storage cavity 260 is configured to contain the atomized medium, and the liquid absorption surface 119 is configured to contact the atomized medium; the aerosol generated by the heating element 120 is in fluid communication with the suction nozzle structure 300 through the first air passage 191 and the second air passage 192; i.e. the mouthpiece structure 300 is in fluid communication with the aerosol generated by the atomizing structure 100. Wherein, the liquid storage cavity 260 is used for storing atomizing media, such as tobacco tar, essence, spice and the like; the snorkel 150 is used to convey aerosol generated by the aerosol for inhalation. In one embodiment, the nozzle structure 300 is disposed over the reservoir structure 200, the reservoir structure 200 is disposed on the atomizing structure 100, and the atomizing structure 100 is partially disposed in the reservoir structure 200. In one embodiment, referring to fig. 20, the suction nozzle structure 300 or the output port 301 thereof is in fluid communication with the air passage 190 and the first air passage 191 and the second air passage 192 thereof, or the suction nozzle structure 300 or the output port 301 thereof is in fluid communication with the main air passage 193 of the air pipe 150 of the atomizing structure 100.

In one embodiment, as shown in fig. 13 and 14, the liquid storage structure 200 is provided with an upper sealing member 210, a lower sealing member 220 and a casing 240, and referring to fig. 16, the upper sealing member 210 is covered on the casing 240 and is partially installed in an installation cavity 241 of the casing 240, and the lower sealing member 220 is installed in the installation cavity 241; the atomizing structure 100 has a sealing sleeve 130 and a vent pipe 150, one end of the vent pipe 150 is in sealing contact with the upper sealing member 210, the other end is in sealing contact with the sealing sleeve 130, and the sealing sleeve 130 sequentially contacts with the atomizing core assembly 110, the lower sealing member 220 and the housing 240.

In one embodiment, as shown in fig. 14 and 15, the vent tube 150 is at least partially located in the housing 240, the reservoir chamber 260 is formed in the mounting chamber 241 and located between the housing 240 and the vent tube 150, the main air passage 193 of the vent tube 150 is respectively in fluid communication with the first air passage 191 and the second air passage 192 to transmit the aerosol, and the main air passage 193 is output through the first communication port 211 of the upper sealing member 210; for embodiments having the mouthpiece structure 300, the vent tube 150 is in fluid communication with the first air passage 191, the second air passage 192, and the mouthpiece structure 300, respectively, to deliver the aerosol; that is, the main air passage 193 of the vent tube 150 is respectively in fluid communication with the first air passage 191, the second air passage 192 and the nozzle structure 300 to transmit the aerosol, and the main air passage 193 is externally outputted through the first communication port 211 of the upper sealing member 210 and the nozzle structure 300.

Further, in one embodiment, as shown in fig. 14, the atomizer further includes an upper sealing member 210, the upper sealing member 210 is provided with a lower end cavity for receiving the atomizing core assembly 110 or the atomizing part 111 thereof, such as the flow area 113, or the upper sealing member 210 is provided with an end cavity for receiving the limiting step 118, so as to facilitate assembly and sealing, and prevent the atomizing medium from invading into the first air passage 191 and the second air passage 192; in one embodiment, the nebulizer or the nebulizing structure 100 thereof further comprises a vent tube 150, wherein the vent tube 150 is inserted into an upper end cavity of the upper seal 210, and the upper end cavity is in fluid communication with a lower end cavity, so as to flow the aerosol generated by nebulization out through the vent tube 150 or the air passage 190 thereof. The atomizer further comprises a lower sealing member 220, the lower sealing member 220 is used for fixing the atomizing core and cooperatively sealing the liquid storage cavity 260, and with reference to fig. 16, the lower sealing member 220 is further provided with an air inlet passage 221 communicated with an air inlet 243. Further, in one embodiment, the upper sealing member 210 is provided with the flowing area 113 or the lower sealing member 220 is provided with the avoiding groove 114, so that the inlet air can simultaneously pass through the two smoke passages and flow out of the two smoke passages, and the effect of gas flowing can also be achieved.

In one embodiment, as shown in fig. 14 and 15, the atomizing structure 100 further includes a mounting member 160 and a sealing sleeve member 170, the mounting member 160 is sleeved outside the wire of the guiding portion 112 and located in the lower sealing member 220, and the sealing sleeve member 170 is sleeved outside the lower sealing member 220, or as shown in fig. 15 and 17, the sealing sleeve member 170 is sleeved in a mounting groove 222 of the lower sealing member 220, and the mounting member 160, the lower sealing member 220 and the sealing sleeve member 170 cooperate to tightly abut the lower sealing member 220 against the housing 240 to seal the reservoir 260, so that the atomizing medium in the reservoir 260 only contacts the liquid absorbing surface 119 of the guiding portion 112. In this embodiment, the lower seal member 220 is sleeved outside the mounting member 160, and the seal assembly 170 is sleeved in the lower seal member 220.

In one embodiment, the air passages are communicated as shown in fig. 15, and the air passage 190 comprises a first air passage 191, a second air passage 192 and a main air passage 193; the first air passage 191 and the second air passage 192 are both in fluid communication with the main air passage 193 for output. Further, a gap exists between the vent pipe 150 and the atomizing area 111 through the top 117 and the limit step 118, so that the secondary air passage 192 is in fluid communication with the main air passage 193 through the gap; that is, the diameters of the vent pipe 150 and the atomizing area 111 may be the same or different, and the vent pipe 150 and the atomizing area 111 are disposed in a non-contact manner to form a space communicating with the second air passage 192 between the vent pipe 150 and the atomizing area 111, and the space may be a part of the main air passage 193, that is, the main air passage 193 and the second air passage 192 communicate with each other. This is an important point of the present invention, and since two atomizing surfaces, the first air passage 191 and the second air passage 192, are formed on the inner wall and the outer wall of the atomizing area 111, there is an advantage that the amount of atomized aerosol is large.

Further, as shown in fig. 15, one end of the vent pipe 150 abuts against the limit step 118 of the atomizing core assembly 110 through the sealing upper cover 130, and abuts against the upper end of the guide portion 112 of the atomizing core assembly 110, and the limit step 118 is configured to cooperate and maintain the fluid communication between the first air passage 191 and the second air passage 192 when the vent pipe 150 is installed, so that the design of the sealing upper cover 130 and the connection relationship thereof effectively prevents the atomizing medium in the reservoir 260 from entering the atomizing part 111 from a position outside the liquid suction surface 119, and also prevents the atomizing medium from mixing into the vent pipe 150 and the main air passage 193 therein.

Further, as shown in fig. 15, the vent tube 150 passes through the seal assembly 130 such that the main air passage 193 of the vent tube 150 is in fluid communication with the first air passage 191 and the second air passage 192 of the atomizing core assembly 110, and on the one hand, the bottom of the atomizing core assembly 110 abuts against the mounting member 160 and the lower seal 220, and on the other hand, the seal assembly 170 and the housing 240 via the lower seal 220; on the other hand, the outer wall of the guiding portion 112 of the atomizing core assembly 110 abuts against the lower sealing member 220, and the lower sealing member 220 abuts against the housing 240, so that the housing 240 abuts against the lower sealing member 220 and the atomizing core assembly 110 tightly, and the conducting wire of the guiding portion 112 is sealed and isolated outside the reservoir 260, thereby achieving effective sealing of the end to the reservoir 260. In this embodiment, the main air passage 193 of the vent tube 150 is in fluid communication with the first air passage 191, and the main air passage 193 is in fluid communication with the second air passage 192.

For the sealing of the liquid storage cavity 260, the focus in the art has been always, and this application is not exceptional, because the vent pipe 150 penetrates through the liquid storage cavity 260, so it needs to be considered to solve the problem of sealing the two ends of the housing 240 and the liquid storage cavity 260, on one hand, the seal upper cover 130 of the atomizing structural member 100, the vent pipe 150 and the atomizing core assembly 110 are matched and tightly combined, so as to prevent the atomizing medium in the liquid storage cavity 260 from leaking into the first air channel 191 and the second air channel 192 in the atomizing core assembly 110 through the gap between the vent pipe 150 and the seal upper cover 130; on the other hand, the lower sealing element 220 cooperates with the sealing sleeve 170 and the mounting member 160 to apply pressure to one end of the housing 240 to tightly sleeve the housing outside the atomizing core assembly 110, so as to integrally form a sealing system, so as to prevent the atomizing medium in the reservoir 260 from leaking out of the atomizer or leaking to the wire of the guiding portion 112 through the gap between the mounting member 160, the sealing sleeve 170 and the housing 240. This arrangement provides an effective seal for the housing 240 and one end of the reservoir 260.

In one embodiment, as shown in fig. 16, the housing 240 defines a mounting cavity 241, the vent pipe 150 is at least partially received in the mounting cavity 241, and the reservoir 260 is formed in the mounting cavity 241, i.e., the reservoir 260 is a portion of the mounting cavity 241. In this embodiment, the liquid storage structure 200 further includes a gasket 230, the gasket 230 is disposed on the upper seal 210, the gasket 230 is provided with a second communication port 231 corresponding to the first communication port 211 of the upper seal 210, and the main air duct 193 is sequentially discharged to the outside through the first communication port 211 and the second communication port 231, or the main air duct 193 is sequentially discharged to the outside through the first communication port 211, the second communication port 231, and the suction nozzle structure 300.

Further, in one embodiment, the upper sealing member 210 further defines at least one first liquid injection port 212, and the first liquid injection port 212 is communicated with the liquid storage chamber 260 and is used for injecting an atomized medium into the liquid storage chamber 260. Further, in one embodiment, as shown in fig. 15 and 16, the upper sealing member 210 further defines at least one first liquid injection port 212, the sealing gasket 230 defines at least one second liquid injection port 232 corresponding to each of the first liquid injection ports 212, and the second liquid injection port 232 communicates with the liquid storage chamber 260 through the first liquid injection port 212. Referring to fig. 20, the suction nozzle structure 300 closes each of the first liquid injection ports 212 and/or each of the second liquid injection ports 232, and the second communication port 231, the first communication port 211, and the main air passage 193 are sequentially communicated only through the output port 301.

In one embodiment, as shown in fig. 17 and 18, the housing 240 is provided with at least two electrode mounting seats 242, and the lead is electrically connected to the electrode element 140 in the electrode mounting seats 242; the housing 240 is opened with at least one air inlet 243, and the air inlet 243 is respectively in fluid communication with the first air passage 191 and the second air passage 192. In each embodiment, the atomization device further has an air inlet 243 and an output port 301, and the air inlet is in fluid communication with the first air passage 191 and the second air passage 192. The number of the air inlets 243 is not limited, for example, the atomization device may include two air inlets 243, and the two air inlets 243 are respectively communicated with the first air passage 191 and the second air passage 192. The outlet 301 is in fluid communication with the airway 190 or its main airway 193, for example the outlet 301 is in fluid communication with the main airway 193 in the snorkel 150, such that the aerosol formed is expelled from the outlet 301 via the snorkel 150.

In one embodiment, an aerosol-generating device comprises a power source and the nebulizer of any embodiment, the power source being connected to the nebulizer for supplying power. In one embodiment, an aerosol-generating device is shown in fig. 19, which comprises an atomizer and a power supply structure 400, wherein the atomizer comprises an atomizing structure 100, a liquid storage structure 200 and a nozzle structure 300, and the atomizing structure 100 and the liquid storage structure 200 are shielded by the nozzle structure 300 and the power supply structure 400; referring to fig. 20, the power supply structure 400 includes a housing 410, a bracket member 420, a battery 430, a circuit board 440, a control member 450, a connecting end 460 and a bottom case 470, referring to fig. 21 and 22, the housing 410 is disposed outside a portion of the casing 240 of the liquid storage structure 200, the nozzle structure 300 is disposed outside a portion of the casing 240 of the liquid storage structure 200, and is further disposed outside the upper sealing member 210 and the sealing gasket 230 of the liquid storage structure 200, and the nozzle structure 300 blocks the first liquid injection port 212 and the second liquid injection port 232; the bracket member 420 is fixed in the housing 410, the battery 430 is mounted on the bracket member 420 and electrically connected to the electrode member 140, and an airflow gap is left between the bracket member 420 and the battery 430 in the housing 410 to communicate with the air inlet 243, so as to ensure smooth airflow, so that the aerosol flows to the output port 301 of the mouthpiece structure 300 according to the airflow direction P. With such a design, a path for air circulation of atomization delivery is formed. The circuit board 440 is fixed on the bracket member 420 and electrically connected with the battery 430; the control part 450 is fixed on the circuit board 440 and is electrically connected with the battery 430 through the circuit board 440; the connection terminals 460 are fixed on the circuit board 440 and electrically connected to the battery 430 through the circuit board 440, and the connection terminals 460 are exposed to the outside through the bottom case 470 so as to access external connection terminals such as a charging terminal. The bottom case 470 is inserted into and fixed to the housing 410, and the bracket member 420 is partially located in the bottom case 470 and the rest is located in the housing 410.

With reference to fig. 23 and 24, the control member 450 includes a key 451, a key seat 452, and a connecting member 453, the key 451 is mounted on the key seat 452 and exposed outside the bottom case 470, the key seat 452 is fixed on the circuit board 440, the connecting member 453 is electrically connected to the battery 430 through the circuit board 440, the key seat 452 surrounds the connecting member 453 and fixes the connecting member 453, and the key 451 is disposed on the connecting member 453 to control on/off of a circuit of the connecting member 453.

Other embodiments of the present application include an atomization structure, an atomizer, and an aerosol-generating device, which are capable of being implemented by combining technical features of the above embodiments.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. An atomization structural member (100) is characterized by comprising an atomization core assembly (110) and a heating body (120);

the atomizing core assembly (110) comprises an atomizing part (111) and a guide part (112), the heating body (120) is at least partially embedded in the atomizing part (111), and the atomizing part (111) is fixed in the guide part (112);

the atomization part (111) is provided with an outer wall (116), the guide part (112) is provided with an inner wall part (112A), and the outer wall (116) is partially contacted with the inner wall part (112A);

the guide portion (112) is in contact with an atomizing medium and delivers the atomizing medium to the atomizing portion (111) through the inner wall portion (112A) and the outer wall (116) in this order;

the outer wall (116) forms a first atomization surface, and a first air passage (191) for transmitting aerosol generated by the first atomization surface is formed between the outer wall (116) and the inner wall part (112A).

2. The atomizing structure (100) of claim 1, wherein said outer wall (116) is in surface contact with said inner wall portion (112A) and the contact surface is tangential; or, the shortest distance from the inner wall (115) of the atomizing part (111) to the outer wall part (112B) of the guide part (112) is less than or equal to the sum of the distance from the inner wall (115) to the outer wall (116) and the distance from the inner wall part (112A) to the outer wall part (112B).

3. The nebulizing structure (100) according to claim 1 characterized in that the number of said first air ducts (191) is at least two; and/or the first air passages (191) are uniformly arranged.

4. The nebulizing structure (100) according to claim 3 characterized in that the nebulizing segment (111) has a central axis, with respect to which the first air ducts (191) are arranged uniformly.

5. Nebulizing structure (100) according to any of claims 1 to 4 characterized in that the nebulizing segment (111) has an inner wall (115), the inner wall (115) forming a second nebulizing surface and a second air channel (192) for transporting the aerosol generated by the second nebulizing surface.

6. The atomizing structure (100) according to claim 5, characterized in that an avoiding groove (114) is formed at the bottom of the atomizing part (111) so that the first air passage (191) and the second air passage (192) are in fluid communication through the avoiding groove (114); and/or the presence of a catalyst in the reaction mixture,

a flow area (113) is formed at the top of the atomization part (111) so that the first air passage (191) and the second air passage (192) are communicated with each other through the avoiding groove (114).

7. The atomizing structure (100) of claim 5, wherein the atomizing core assembly (110) is provided with a limit step (118) protruding from the guide portion (112) and higher than the atomizing portion (111).

8. An atomizer, characterized in that it comprises a liquid storage structure (200) and an atomizing structure (100) according to any one of claims 1 to 7;

the liquid storage structure (200) is provided with a liquid storage cavity (260), the liquid storage cavity (260) is used for containing the atomized medium, and the guide part (112) is used for contacting the atomized medium;

the aerosol generated by the heating element (120) passes through the first air passage (191) and the second air passage (192) and is output outwards through the liquid storage structural member (200).

9. The atomizer according to claim 8, wherein the liquid storage structure (200) is provided with an upper sealing member (210), a lower sealing member (220) and a housing (240), the upper sealing member (210) is covered on the housing (240) and is partially installed in an installation cavity (241) of the housing (240), and the lower sealing member (220) is installed in the installation cavity (241);

the atomization structure (100) is provided with a sealing sleeve (130) and a vent pipe (150), one end of the vent pipe (150) is in sealing and abutting connection with the upper sealing element (210), the other end of the vent pipe is in sealing and abutting connection with the sealing sleeve (130), and the vent pipe is sequentially abutted to the atomization core assembly (110), the lower sealing element (220) and the shell (240) through the sealing sleeve (130);

the vent pipe (150) is at least partially positioned in the shell (240), the liquid storage cavity (260) is formed in the installation cavity (241) and positioned between the shell (240) and the vent pipe (150), a main air passage (193) of the vent pipe (150) is respectively communicated with the first air passage (191) and the second air passage (192) in a fluid mode so as to transmit the aerosol, and the main air passage (193) is output outwards through the first communication hole (211) of the upper sealing member (210);

the atomization structure (100) further comprises a mounting piece (160) and a sealing kit (170), the mounting piece (160) is sleeved outside the lead of the guide portion (112) and is located in the lower sealing piece (220), the sealing kit (170) is sleeved outside the lower sealing piece (220) or is sleeved in a groove body of the lower sealing piece (220), and the mounting piece (160), the lower sealing piece (220) and the sealing kit (170) are matched to enable the lower sealing piece (220) to be tightly abutted to the shell (240) to seal the liquid storage cavity (260), so that the atomization medium in the liquid storage cavity (260) only contacts with the liquid absorption surface (119) of the guide portion (112);

the shell (240) is provided with at least two electrode mounting seats (242), and the lead is electrically connected with the electrode piece (140) in the electrode mounting seats (242);

the shell (240) is provided with at least one air inlet (243), and the air inlet (243) is respectively communicated with the first air passage (191) and the second air passage (192) in a fluid mode.

10. An aerosol-generating device comprising a power source and an atomiser as claimed in claim 8 or 9, the power source being connected to the atomiser for supplying power.