WO2022161253A1

WO2022161253A1 - Atomizer and electronic atomization device

Info

Publication number: WO2022161253A1
Application number: PCT/CN2022/073024
Authority: WO
Inventors: 李富毅; 徐中立; 李永海
Original assignee: 深圳市合元科技有限公司
Priority date: 2021-01-29
Filing date: 2022-01-20
Publication date: 2022-08-04
Also published as: US20240099386A1; EP4285747A1

Abstract

An atomizer and an electronic atomization device. An atomizer (100) comprises: a liquid storage cavity (12); an atomization assembly, which is in fluid communication with the liquid storage cavity (12) so as to obtain a liquid matrix and heat the liquid matrix to generate aerosol; a first sealing element (70, 70b) at least partially sealing the liquid storage cavity (12); a support (60, 60a, 60b), which is used for supporting the first sealing element (70, 70b), so as to make the first sealing element (70, 70b) at least partially positioned between the support (60, 60a, 60b) and the liquid storage cavity (12), wherein a first through hole (65, 65a, 65b) is provided on the support (60, 60a, 60b); and first air guide elements (80, 90, 80a, 90a, 80b), at least part of which extend into the first through hole (65, 65a, 65b), with a first air channel being defined between the first air guide elements (80, 90, 80a, 90a, 80b) and the first through hole (65, 65a, 65b) or defined by the first air guide elements (80, 90, 80a, 90a, 80b), so as to provide a first flow path for air to enter the liquid storage cavity (12). According to the atomizer (100), the first through hole (65, 65a, 65b) is provided on the support (60, 60a, 60b), and the first air guide elements (80, 90, 80a, 90a, 80b) at least partially arranged in the first through hole (65, 65a, 65b) jointly define an air channel for external air to enter the liquid storage cavity (12), such that when the negative pressure of the liquid storage cavity (12) exceeds a certain threshold value, air is supplemented into the liquid storage cavity (12), so as to relieve the negative pressure of the liquid storage cavity (12).

Description

Atomizers and Electronic Atomizers

Cross-references to related documents

This application claims the priority of an earlier application entitled "Atomizer and Electronic Atomizer" with application number 202120273292.1 filed with the State Intellectual Property Office of China on January 29, 2021; Application No. 202121667103.5 filed by the State Intellectual Property Office, the priority of the earlier application entitled "Atomizer, Electronic Atomization Device and Sealing Element for Atomizer", the content of the above-mentioned earlier application is by way of introduction Incorporated into this text.

technical field

The embodiments of the present application relate to the technical field of electronic atomization devices, and in particular, to an atomizer and an electronic atomization device.

Background technique

Smoking articles (eg, cigarettes, cigars, etc.) burn tobacco during use to produce tobacco smoke. Attempts have been made to replace these tobacco-burning products by making products that release compounds without burning them.

An example of such a product is a heating device that releases a compound by heating rather than burning a material. For example, the material may be tobacco or other non-tobacco products, which may or may not contain nicotine. As another example, there are aerosol-providing articles, such as so-called electronic atomizing devices. These devices typically contain a vaporizable liquid that is heated to vaporize it, resulting in a respirable aerosol.

In the known electronic atomizing device, the liquid substrate is stored and provided through a liquid storage chamber, and the liquid substrate is sucked and transferred by the liquid guiding element to the heating element for heating and atomization. As the liquid is consumed, the negative pressure in the liquid storage chamber will gradually increase, making it difficult for the liquid matrix to be absorbed and delivered by the liquid guiding element.

SUMMARY OF THE INVENTION

The embodiments of the present application provide an atomizer configured to atomize an aerosol generated by a liquid matrix; including:

A reservoir chamber for storing liquid substrates;

Atomizing assembly, in fluid communication with the liquid storage chamber to absorb the liquid substrate, and heat the liquid substrate to generate an aerosol;

a first sealing element that at least partially seals the liquid storage chamber;

a bracket for supporting the first sealing element, so that the first sealing element is at least partially positioned between the bracket and the liquid storage chamber; the bracket is provided with a first through hole;

a first air guide element, at least partially extending in the first through hole, and defining a first air channel between the first through hole, so as to provide a first flow path for air entering into the liquid storage cavity .

In the above atomizer, a first through hole is opened on the bracket, and an air channel for external air to enter the liquid storage chamber is jointly defined by a first air guide element arranged at least partially in the first through hole, and then when the liquid storage chamber is used When the negative pressure of the liquid storage chamber exceeds a certain threshold, air is added to the liquid storage chamber to relieve the negative pressure of the liquid storage chamber.

In a preferred implementation, the surface of the first air guide element is provided with a first groove extending along the axial direction of the first through hole, and the first groove is connected with the inner wall of the first through hole. The first air passage is defined therebetween.

In a preferred implementation, the first through hole is configured to extend in the longitudinal direction of the atomizer.

In a preferred implementation, the first air-guiding element is configured to be substantially cylindrical.

In a preferred implementation, the first air guide element includes a first section and a second section along the axial direction; the first section is close to the liquid storage chamber and its cross-sectional area is larger than the cross-sectional area of the second section cross-sectional area.

In a preferred implementation, the first air guide element is flexible.

In a preferred implementation, the bracket includes a first portion adjacent to the liquid reservoir along the longitudinal direction of the nebulizer, and a second portion facing away from the first portion; wherein,

the first portion is configured to support the first sealing element;

the second portion is configured to at least partially receive and retain the atomizing assembly;

The through hole is arranged to be located in the first portion.

In a preferred implementation, the first through hole is configured to avoid the second portion in the longitudinal direction of the atomizer.

In a preferred implementation, the first sealing element is provided with a first liquid guide hole for the liquid matrix of the liquid storage chamber to flow to the atomizing assembly; The gas outlet end is positioned in the first liquid guide hole.

In a preferred implementation, it also includes:

The atomization chamber provides a space for aerosol release; the air inlet end of the first air channel is communicated with the atomization chamber.

In a preferred implementation, the first air guide element is formed by extending at least a part of the first sealing element into the first through hole.

In a preferred implementation, the first groove has a depth of less than 2 mm.

Yet another embodiment of the present application also provides an atomizer configured to atomize a liquid substrate to generate an aerosol; including:

A reservoir chamber for storing liquid substrates;

a porous body, comprising a liquid channel running through the porous body along the length direction, and in fluid communication with the liquid storage cavity through the liquid channel to absorb the liquid substrate;

a heating element coupled to the porous body and used to heat at least a portion of the liquid matrix of the porous body to generate an aerosol;

a bracket for holding the porous body; the bracket is provided with a second through hole opposite to the liquid channel;

A second air guide element extends at least partially within the second through hole, and is bounded with the second through hole or defined by the second air guide element to form a second air channel, so as to provide air into the second through hole. the second flow path of the liquid storage chamber.

In a preferred implementation, the second through hole is configured to extend in a direction perpendicular to the longitudinal direction of the atomizer.

In a preferred implementation, the second air-guiding element is configured to be substantially cylindrical.

In a preferred implementation, the surface of the second air guide element is provided with a second groove extending along the axial direction of the second through hole, and the second groove is connected with the inner wall of the second through hole. The second air passage is defined therebetween.

In a preferred implementation, the stent includes a holding space within which the porous body is at least partially received and held;

The second through hole is configured to extend from an inner surface of the holding space to an outer surface of the support frame.

The first part is provided with a second liquid guide channel in fluid communication with the liquid storage cavity, and the liquid channel of the porous body is in fluid communication with the liquid storage cavity through the first liquid guide channel;

the second portion is configured to at least partially receive and retain the porous body;

The second through hole is formed in the second portion.

In a preferred implementation, it also includes:

A second sealing element, positioned between the support and the porous body, is configured to wrap around at least a portion of the outer surface of the porous body and avoid the second through hole.

Another embodiment of the present application also provides an electronic atomization device, including an atomization device for atomizing a liquid substrate to generate aerosol, and a power supply device for supplying power to the atomization device; the atomization device includes the above the atomizer.

Description of drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings, and these exemplifications do not constitute limitations of the embodiments, and elements with the same reference numerals in the drawings are denoted as similar elements, Unless otherwise stated, the figures in the accompanying drawings do not constitute a scale limitation.

1 is a schematic structural diagram of an electronic atomization device provided by an embodiment;

Fig. 2 is the structural representation of one embodiment of the atomizer in Fig. 1;

Fig. 3 is the exploded schematic diagram of the atomizer of the embodiment of Fig. 2 from a viewing angle;

Fig. 4 is the exploded schematic diagram of another perspective of the atomizer in Fig. 3;

Fig. 5 is the cross-sectional structure schematic diagram of the atomizer in Fig. 3 along the width direction;

Fig. 6 is the structural representation of another perspective of the bracket in Fig. 3;

Fig. 7 is the structural representation of the atomization assembly in Fig. 3 from another perspective;

FIG. 8 is a schematic structural diagram of another viewing angle of the first air guide element in FIG. 3;

FIG. 9 is a schematic structural diagram of another view of the second air guide element in FIG. 3;

Figure 10 is a schematic diagram of the bracket and the air guide element defining an air channel in Figure 3;

FIG. 11 is a schematic diagram of a bracket and an air guide element assembled according to another embodiment;

Figure 12 is a schematic cross-sectional view of the bracket and the air guide element in Figure 11 after being assembled;

Figure 13 is an exploded schematic view of each part in Figure 11 before assembly;

14 is an exploded schematic view of a stent and sealing element of yet another embodiment;

Figure 15 is a schematic exploded view of the bracket and sealing element of Figure 14 from yet another perspective;

Figure 16 is an exploded schematic view of the stent and sealing element before assembly in yet another embodiment;

17 is a schematic cross-sectional view of a stent in yet another embodiment;

Figure 18 is a schematic structural diagram of a sealing element in yet another embodiment;

Figure 19 is a schematic cross-sectional view of the bracket and sealing element in an assembled state in yet another embodiment.

Detailed ways

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

The present application proposes an electronic atomization device, as shown in FIG. 1 , which includes an atomizer 100 that stores a liquid substrate and vaporizes it to generate an aerosol, and a power supply assembly 200 that supplies power to the atomizer 100 .

In an optional implementation, as shown in FIG. 1 , the power supply assembly 200 includes a receiving cavity 270 disposed at one end along the length direction for receiving and accommodating at least a part of the atomizer 100 , and at least partially exposed in the receiving cavity The first electrical contact 230 on the surface of 270 is used to form an electrical connection with the atomizer 100 when at least a part of the atomizer 100 is received and accommodated in the power supply assembly 200 to supply power to the atomizer 100 .

According to the preferred implementation shown in FIG. 1 , the end of the atomizer 100 opposite to the power supply assembly 200 in the length direction is provided with a second electrical contact 21 , and when at least a part of the atomizer 100 is received in the receiving cavity 270 , the second electrical contact 21 is in contact with the first electrical contact 230 to form electrical conduction.

A sealing member 260 is disposed in the power supply assembly 200 , and at least a part of the inner space of the power supply assembly 200 is partitioned by the sealing member 260 to form the above receiving cavity 270 . In the preferred implementation shown in FIG. 1 , the sealing member 260 is configured to extend along the cross-sectional direction of the power supply assembly 200 , and is preferably made of a flexible material such as silica gel, so as to prevent seepage from the atomizer 100 to the receiving cavity 270 The liquid matrix flows to components such as the controller 220 , the sensor 250 and the like inside the power supply assembly 200 .

In the preferred implementation shown in FIG. 1 , the power supply assembly 200 further includes a battery cell 210 at the other end away from the receiving cavity 270 along the length direction for power supply; and a controller 220 disposed between the battery cell 210 and the receiving cavity, The controller 220 is operable to conduct electrical current between the cells 210 and the first electrical contacts 230 .

In use, the power supply assembly 200 includes a sensor 250 for sensing the suction air flow generated during suction through the nozzle cover 20 of the atomizer 100 , and then the controller 220 controls the power supply according to the detection signal of the sensor 250 The core 210 outputs current to the atomizer 100 .

Further in the preferred implementation shown in FIG. 1 , the power supply assembly 200 is provided with a charging interface 240 at the other end away from the receiving cavity 270 for charging the battery cells 210 .

The embodiments of FIGS. 2 to 5 show a schematic structural diagram of an embodiment of the atomizer 100 in FIG. 1 , including:

The main casing 10; as shown in Figures 2 to 3, the main casing 10 is roughly in the shape of a flat cylinder, and of course its interior is a hollow necessary functional device for storing and atomizing the liquid matrix; the main casing 10 has along the The proximal end 110 and the distal end 120 opposite in the length direction; wherein, according to the requirements of common use, the proximal end 110 is configured as one end for the user to inhale the aerosol, and the proximal end 110 is provided with a suction mouth A for the user to inhale ; And the distal end 120 is used as one end that is combined with the power supply assembly 200, and the distal end 120 of the main casing 10 is open, on which a detachable end cover 20 is mounted, and the open structure is used for the main casing 10. Install the necessary functional components inside.

Further in the specific implementation shown in FIGS. 2 to 4 , the second electrical contact 21 is penetrated from the surface of the end cover 20 to the inside of the atomizer 100 , and at least part thereof is exposed outside the atomizer 100 , Then, it can be in contact with the first electrical contact 230 to form conduction. At the same time, the end cover 20 is also provided with a first air inlet 23 for supplying external air into the atomizer 100 during suction.

Of course, referring further to FIG. 3 , a mounting groove 22 for accommodating the second electrical contact 21 is formed on the surface of the end cap 20 , and the second electrical contact 21 is flush with the surface of the end cap 20 after assembly.

Further referring to FIGS. 3 to 5 , the main housing 10 is provided with a liquid storage chamber 12 for storing liquid substrates, and an atomization assembly for sucking the liquid substrates from the liquid storage chamber 12 and heating and atomizing the liquid substrates . Wherein, the atomization assembly generally includes a capillary liquid-conducting element for absorbing the liquid substrate, and a heating element combined with the liquid-conducting element, and the heating element heats at least part of the liquid substrate of the liquid-conducting element to generate an aerosol during electrification. In an optional implementation, the liquid-conducting element includes flexible fibers, such as cotton fibers, non-woven fabrics, glass fiber ropes, etc., or includes porous materials with a microporous structure, such as porous ceramics; the heating element can be printed, deposited , sintered or physically assembled on the liquid-conducting element, or wound on the liquid-conducting element.

Further in the preferred implementation shown in FIGS. 3 to 5 , the atomization assembly includes: a porous body 30 for sucking and transferring the liquid substrate, and a heating element 40 for heating and vaporizing the liquid substrate sucked by the porous body 30 . specific,

In the schematic cross-sectional structure shown in FIG. 5 , the main casing 10 is provided with a flue gas transmission pipe 11 arranged in the axial direction, and the space between the outer wall of the flue gas transmission pipe 11 and the inner wall of the main casing 10 is formed for The liquid storage chamber 12 for storing the liquid matrix; the first end of the smoke transmission tube 11 opposite to the proximal end 110 communicates with the mouthpiece A, and the second end opposite to the distal end 120 is defined between the porous body 30 and the end cap 20 The atomizing chamber 340 is connected with the air flow, so that the aerosol generated by the heating element 40 vaporized liquid matrix and released to the atomizing chamber 340 is transmitted to the mouth A of the mouthpiece for inhalation.

Referring to the structure of the porous body 30 shown in FIGS. 3 , 4 and 5 , the shape of the porous body 30 is configured to be generally but not limited to a block-like structure in the embodiment; according to the preferred design of this embodiment, its It includes an atomizing surface 310 in an arched shape and has an atomizing surface 310 facing the end cap 20 along the axial direction of the main casing 10; wherein, the side of the porous body 30 away from the atomizing surface 310 in use is in fluid communication with the liquid storage chamber 12 and further The liquid matrix can be absorbed, and the microporous structure in the porous body 30 conducts the liquid matrix to the atomizing surface 310 to be heated and atomized to form an aerosol, which is released or escaped from the atomizing surface 310 . It will be appreciated that in certain other embodiments, the porous body may be arranged with its atomizing surface facing away from the end cap in the axial direction of the main housing, and thus towards the mouth of the nozzle. In the structure of the porous body 30 shown in FIG. 3 , the atomizing surface 310 extends along the cross-sectional direction of the main casing 10 .

Referring further to FIGS. 4 and 7 , the porous body 30 is in the shape of an arch, and has a first side wall 31 and a second side wall 32 opposite in the thickness direction, and a first side wall 31 and a second side wall on the first side wall 31 and the second side wall The base portion 34 between the walls 32; the first side wall 31 and the second side wall 32 are lengthwise extending, thereby defining a liquid channel 33 between the first side wall 31 and the second side wall 32, the liquid The channel 33 is in fluid communication with the reservoir chamber 12 to draw the liquid substrate.

3 to 5 , in order to assist in the installation and fixation of the porous body 30 and the sealing of the liquid storage chamber 12 , the main housing 10 is further provided with a flexible silicone sleeve 50 , a bracket 60 and a flexible sealing element 70 , both The opening of the liquid storage chamber 12 is sealed, and the porous body 30 is fixed and held inside. in,

In terms of specific structure and shape, the flexible silicone sleeve 50 is generally in the shape of a hollow cylinder, the interior is hollow for accommodating the porous body 30 , and is sleeved outside the porous body 30 by means of tight fitting.

The rigid support 60 holds the porous body 30 covered with the flexible silicone cover 50 , and in some embodiments, may include a ring-shaped shape with an open lower end, and the holding space 64 is used to accommodate and hold the flexible silicone cover 50 and porous body 30 . On the one hand, the flexible silicone sleeve 50 can seal the gap between the porous body 30 and the bracket 60 to prevent the liquid matrix from seeping out of the gap between them; Between the brackets 60, it is advantageous for the porous body 30 to be stably accommodated in the brackets 60 to avoid loosening.

The flexible sealing element 70 is disposed between the liquid storage chamber 12 and the bracket 60 , and its shape is adapted to the cross-section of the inner contour of the main casing 10 , so as to seal the liquid storage chamber 12 and prevent the liquid matrix from leaking out of the liquid storage chamber 12 . Further, in order to prevent the shrinkage and deformation of the flexible silicone seat 53 made of flexible material from affecting the tightness of the seal, the above bracket 60 is accommodated in the flexible sealing element 70 to provide support for it.

After installation, in order to ensure the smooth transmission of the liquid matrix and the output of the aerosol, the flexible sealing element 70 is provided with a first liquid guide hole 71 for the circulation of the liquid matrix, and the bracket 60 is provided with a second liquid guide hole 61 correspondingly. The sleeve 50 is provided with a third liquid guide hole 51 . In use, the liquid matrix in the liquid storage chamber 12 flows into the liquid channel 33 of the porous body 30 held in the flexible silicone sleeve 50 through the first liquid guiding hole 71 , the second liquid guiding hole 61 and the third liquid guiding hole 51 in sequence , and then absorbed, as shown by the arrow R1 in FIG. 4 and FIG. 5 , and then absorbed and transferred to the atomizing surface 310 for vaporization, and then the generated aerosol will be released to the area defined between the atomizing surface 310 and the end cap 20 . inside the atomization chamber 340 .

On the output structure of the aerosol during the suction process, referring to FIGS. 3 to 6 , the flexible sealing element 70 is provided with a first insertion hole 72 for inserting the lower end of the flue gas transmission pipe 11 , and a second socket 72 is provided on the corresponding bracket 60 . The insertion hole 62 is provided with a first airflow channel 63 on the side opposite to the main casing 10 of the bracket 60 , which connects the atomizing surface 310 and the second insertion hole 62 by air flow. After installation, the complete suction air flow is shown by arrow R2 in FIG. 3 , the external air enters the atomization chamber 340 through the first air inlet 23 on the end cover 20 , and then carries the generated aerosol by the first air flow. After the passage 63 flows to the second insertion hole 62 , it is output to the flue gas transmission pipe 11 through the first insertion hole 72 .

In the preferred implementation shown in FIG. 6 , the bracket 60 includes a first portion 611 and a second portion 612 arranged in sequence along the longitudinal direction; the first portion 611 has a larger cross-sectional area than the second portion 612 ; in the arrangement, the first portion 611 is close to In the liquid storage chamber 12 , the second portion 612 is adjacent to the end cap 20 . In use, the flexible sealing element 70 is located at least partially between the first portion 611 and the inner wall of the main housing 10, and at least partially surrounds the first portion 611 and is supported by the first portion 611; interior space definition. The second liquid guide hole 61 penetrates from the end face of the first part 611 close to the liquid storage cavity 12 to the second part 612 and communicates with the holding space 64 .

Further referring to FIGS. 5 to 9 , the atomizer 100 further includes a first air channel defined by the bracket 60 and the air guide element, which is used to supplement air to the liquid storage chamber 12 to relieve or eliminate negative pressure, as shown in FIG. 5 . and shown by arrow R3 in FIG. 10 .

The first part 611 of the bracket 60 is provided with through holes 65 disposed along the width direction close to both sides; the through holes 65 penetrate the first part 611 in the longitudinal direction, and the through holes 65 avoid the second part 612 in the longitudinal direction; see As shown in FIG. 4 , the two through holes 65 respectively have different shapes, one of which is configured to have a circular cross-section, and the other is configured to have a square cross-section. In some examples, the bracket 60 may also be a part of the main housing 10 or be integrally formed with the main housing 10 , and the bracket 60 may be used to define and form the liquid storage chamber 12 .

The first air guide element 80 is substantially cylindrical in shape, and is assembled in the through hole 65 with a circular cross-section, and the gap between it and the inner wall of the through hole 65 is defined to form a second space for air to enter the liquid storage chamber 12 . an air passage;

The second air guide element 90 , which is substantially in the shape of a square column, is assembled in the through hole 65 with a square cross-section, and the gap between the second air guide element 90 and the inner wall of the through hole 65 is defined to form a first space for air to enter the liquid storage chamber 12 . air channel.

In implementation, the first air guide element 80 and/or the second air guide element 90 are flexible, preferably made of a flexible material, such as flexible silicone or elastomer. And in the changed shape configuration, the cross-section of the first air guide element 80 and/or the second air guide element 90 can also be configured into a star shape, a plum shape, and a polygon; , polygonal cross-sectional shape, only when the first air guide element 80 and/or the second air guide element 90 are assembled in the through hole 65, the above-mentioned first air passage for air circulation can be defined between them.

In other optional implementations, the first air guide element 80 and/or the second air guide element 90 may also be rigid, and are made of commonly used materials such as hard plastic. In some examples, the through holes 65 that cooperate with the first air guide element 80 and/or the second air guide element 90 can also be opened on the flexible seal 260 .

Further from the preferred implementation of FIG. 8 , the first air guide element 80 has a first segment 810 and a second segment 820 arranged in sequence along the axial direction; wherein the outer diameter of the first segment 810 is larger than the outer diameter of the second segment 820 , it is advantageous to insert or fit the second segment 820 as a tip into the through hole 65 during assembly. In the preferred implementation shown in FIG. 8 , the length d1 of the first section 810 extending in the longitudinal direction is about 3 mm to 5 mm, and 5 mm is used in FIG. 8 ; the length d2 of the second section 820 extending in the longitudinal direction is about 1 to 2 mm, FIG. 8 The length of the second section 820 is preferably less than 1/2 of the length of the first section 810.

A plurality of first grooves 811 surrounding the first section 810 are provided on the outer side wall of the first section 810 ; the first grooves 811 extend in the longitudinal direction, and when the first air guide element 80 is assembled into the through hole 65 Then, a first air channel is formed by the space defined between the first groove 811 and the inner wall of the through hole 65 . In the preferred implementation shown in FIG. 8 , the depth of the first groove 811 ranges from 0.5 to 2 mm, and the depth of the first groove 811 is less than 2 mm, which can effectively avoid leakage with the liquid matrix caused by excessive space. In FIG. 8 , the width of the first groove 811 is about 2 mm, and the depth is about 0.5 mm.

In FIG. 9, the second air guide element 90 also has a configuration generally similar to that of the first air guide element 80, with a third section 910 and a fourth section 920 having different cross-sectional areas. The second groove 911 is provided around the third segment 910 .

Or in other variant implementations, the first groove 811 and/or the second groove 911 are arranged on the inner wall of the through hole 65, when the columnar first air guide element 80 and/or the second air guide element When the 90 is assembled in the through hole 65, it is formed between the first groove 811 and/or the second groove 911 on the inner wall of the through hole 65 and the outer surface of the first air guide element 80 and/or the second air guide element 90 Above the first air passage. In other variant implementations, longitudinally penetrating through holes with suitable diameters are formed on the columnar first air guide element 80 and/or the second air guide element 90 to form the above-mentioned first air passage.

In the assembled state, as shown in FIGS. 5 and 10 , the through hole 65 is covered by the first liquid guide hole 71 of the flexible sealing element 70 , so that the through hole 65 is connected to the first air guide element 80/second The air outlet end of the first air channel defined between the air guide elements 90 and close to the liquid storage chamber 12 is exposed to the first liquid guide hole 71 and is in an open state. In use, the air between the second part 612 of the bracket 60 and the inner wall of the main casing 10 enters the first air passage as shown by arrow R3 in FIG. 10 , and enters the first liquid guide hole 71 from the air outlet until the final into the reservoir chamber 12 .

5 and 6 , the intake end of the first air passage defined between the through hole 65 and the first air guide element 80 / the second air guide element 90 is between the bracket 60 and the inner wall of the main housing 10 The interstitial spaces are connected to allow air to enter. In a more preferred implementation, the gap space between the bracket 60 and the inner wall of the main casing 10 is communicated with the atomization chamber 340 through the capillary groove 66 on the outer surface of the bracket 60 in FIG. The interstitial space between the inner walls of the main casing 10 communicates with the space of the atomization chamber 340 .

11 to 13 show schematic diagrams of the second air passage defined by the through hole 65a on the second portion 612a of the rigid bracket 60a and the first air guide element 80a/second air guide element 90a in yet another embodiment; ,

The second part 612a of the rigid bracket 60a is provided with through holes 65a located on both sides in the width direction; the through holes 65a are the walls passing through the second part 612a along the width direction;

The substantially cylindrical first air guide element 80a is fitted into one of the through holes 65a, and the substantially square cylindrical second air guide element 90a is fitted into the other through hole 65a; The first groove 811a on the upper/second groove 911a on the outer wall of the second air guide element 90a defines a second air channel between each and the inner wall of the through hole 65a, as shown by arrow R4 in FIG. 12;

In order to match the above-defined second air channel, the through hole 65a is opposite to the liquid channel 33 penetrating the length of the porous body 30a in the width direction; at the same time, the third liquid guide hole 51a on the flexible silicone sleeve 50a is at least partially located in the width direction. On the side wall of the second air channel, it is opposite to the liquid channel 33 and the through hole 65a to avoid the through hole 65a, thereby ensuring that the air outlet end of the second air channel is not blocked or sealed by the flexible silicone sleeve 50a.

In an optional implementation, the intake end of the second air passage close to the inner wall of the main casing 10 can be directly configured to communicate with the outside atmosphere; or can be similar to the above first air passage, the second air passage The air intake end is surrounded by the gap space between the second part 612a of the rigid bracket 60a and the main casing 10, and then the air in the gap space between the second part 612a of the rigid bracket 60a and the main casing 10 in use Enter the air intake end of the second air passage; similarly, the gap space between the second part 612a of the rigid bracket 60a and the main casing 10 is through the capillary groove 66a on the outer side wall of the second part 612a and the atomization chamber 340 In the implementation, the air inlet end of the second air channel is kept in communication with the atomization chamber 340, and the air in the atomization chamber 340 enters the liquid storage chamber 12 through the second air channel, so as to alleviate or Eliminate the negative pressure of the liquid storage chamber 12.

Figures 14 and 15 show schematic diagrams of defining a first air channel in yet another embodiment; in this implementation, the first air guide element 80b is formed by at least a portion of the flexible sealing element 70b. specific,

The bracket 60b is provided with a longitudinally penetrating through hole 65b on the first part 611b;

The flexible sealing element 70b is provided with a first air guide element 80b extending longitudinally at least partially in the first liquid guide hole 71b; after assembly, when the flexible sealing element 70b wraps the first part 611b of the bracket 60b, the first air guide element 80b protrudes into the through hole 65b, and a first air channel is defined between the first groove 811b on the outer side wall of the first air guide element 80b and the inner wall of the through hole 65b.

According to FIGS. 14 and 15 , the first air guide element 80b is coupled to the flexible sealing element 70b through the connecting arm 74b. Of course, in the preferred implementation shown in the figures, the first air guide element 80b and the connecting arm 74b on the flexible sealing element 70b are prepared through molding together with the flexible sealing element 70b. For example, the first air guide element 80b and the flexible sealing element 70b of the connecting arm 74b are made of silicone material through a mold to form an integral structure as shown in FIG. 14 .

Based on a similar implementation, the first air guide element 80a or the second air guide element 90a may also be prepared on the flexible silicone sleeve 50a by molding.

Referring to another embodiment provided in FIGS. 16 to 19 , the bracket 60 includes a first part 610 and a second part 620 arranged in sequence along the longitudinal direction; the first part 610 is close to the liquid storage chamber 12 , and the second part 620 is close to the end cap 20 . In use, the flexible sealing element 70 is located at least partially between the first portion 610 and the inner wall of the main housing 10, and at least partially surrounds the first portion 610 and is supported by the first portion 610; interior space definition. The second liquid guide hole 61 penetrates from the end face of the first part 610 close to the liquid storage cavity 12 to the second part 620 and communicates with the holding space 64 .

The atomizer 100 also includes a first air channel defined by the bracket 60 and the first sealing element 50 for supplementing air to the liquid storage chamber 12 to relieve or eliminate negative pressure, as shown by arrow R3 in FIG. 19 . The specific structure is as follows:

The second part 621 of the bracket 60 is provided with through holes 65 arranged on both sides along the width direction; the through holes 65 penetrate the second liquid guide hole 61 in the longitudinal direction; and the through holes 65 along the width direction avoid the holding space 64's.

The through hole 65 is located on the side of the bracket 60 away from the liquid storage chamber 12 . Of course, the holding space 64 is also located on the side of the bracket 60 away from the liquid storage chamber 12 , and the through hole 65 and the holding space 64 are staggered in the width direction. The second liquid guide hole 61 is located on the side of the bracket 60 close to the liquid storage cavity 12 , and the projection of the second liquid guide hole 61 in the axial direction at least partially covers the through hole 65 .

Specifically, as shown in FIGS. 17 and 18 , the cross-sectional area of the second liquid guide hole 61 is larger than that of the third liquid guide hole 51 . After assembly, the second liquid guide hole 61 is at least partially opposite to the through hole 65 in the longitudinal direction, so that the supply air can directly enter the second liquid guide hole 61 . Meanwhile, the second liquid guiding hole 61 is at least partially opposite to the third liquid guiding hole 51 along the longitudinal direction, so that the liquid matrix in the second liquid guiding hole 61 can flow downward directly into the third liquid guiding hole 51 under the action of gravity. The third liquid guide hole 51 is at least partially located on the side wall of the main body portion 510 in the width direction, and is connected to the liquid channel 33 of the porous body 30 .

Further according to FIGS. 16 and 17 , a plurality of axially extending air guide grooves 651 are provided on the inner wall of the through hole 65 . The sealing element 50 includes a body portion 510 that wraps or surrounds the porous body 30 within the holding space 64 in assembly to provide a seal between the stent 60 and the porous body 30 . The third liquid guide hole 51 is formed or located on the main body portion 510 . The sealing element 50 also includes an air guide element 80 connected to the body portion 510, the air guide element 80 being generally in the shape of an elongated cylinder. During assembly with the bracket 60 , the air guide element 80 is inserted or extended into the through hole 65 and tightly abuts against the inner wall of the through hole 65 , so that the space of the air guide groove 651 forms an air passage. When the negative pressure in the liquid storage chamber 12 exceeds a certain threshold, the atomizing chamber 340 or the outside air will enter the second liquid guide hole 61 through the air guide groove 651 as shown by the arrow R3 in FIG. liquid chamber 12 to relieve or partially eliminate the negative pressure in the liquid storage chamber 12 .

It should be noted that the description of the present application and the accompanying drawings provide preferred embodiments of the present application, but are not limited to the embodiments described in the present specification. Improvements or changes are made according to the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present application.

Claims

An atomizer configured to atomize a liquid substrate to generate an aerosol; it is characterized in that, comprising:

A reservoir chamber for storing liquid substrates;

an atomizing component, which is in fluid communication with the liquid storage chamber to obtain a liquid matrix, and heats the liquid matrix to generate an aerosol;

a first sealing element that at least partially seals the liquid storage chamber;

a bracket for supporting the first sealing element, and a first through hole is provided on the bracket or the first sealing member;

A first air guide element extends at least partially within the first through hole, and is bounded with the first through hole or defined by the first air guide element to form a first air channel, so as to provide air to enter the a first flow path in the liquid storage chamber.
The atomizer according to claim 1, wherein the surface of the first air guide element is provided with a first groove extending along the axial direction of the first through hole, and the first groove is formed by the first groove. The first air channel is defined with the inner wall of the first through hole.
The atomizer of claim 1, wherein the first through hole is configured to extend in a longitudinal direction of the atomizer.
3. The atomizer of any one of claims 1 to 3, wherein the first air guide element is configured to be substantially cylindrical.
The atomizer according to claim 4, wherein the first air guide element comprises a first section and a second section along the axial direction; the first section is adjacent to the liquid storage chamber and has a transverse cross section. The area is greater than the cross-sectional area of the second segment.
The atomizer according to any one of claims 1 to 3, wherein the first air guide element is flexible.
The atomizer according to any one of claims 1 to 3, wherein the bracket includes a first portion adjacent to the liquid storage chamber in the longitudinal direction of the atomizer, and a portion facing away from the first portion. Part II; in which,

the first portion is configured to support the first sealing element;

the second portion is configured to at least partially receive and retain the atomizing assembly;

The through hole is arranged to be located in the first portion.
8. The atomizer of claim 7, wherein the first through hole is configured to avoid the second portion in a longitudinal direction of the atomizer.
The atomizer according to claim 7, wherein the first sealing element is provided with a first liquid guide hole for the liquid matrix of the liquid storage chamber to flow to the atomization assembly; The air channel has an air outlet end close to the liquid storage chamber, and the air outlet end is positioned in the first liquid guide hole.
The atomizer according to any one of claims 1 to 3, further comprising:

The atomization chamber provides a space for aerosol release; the air inlet end of the first air channel is communicated with the atomization chamber.
The atomizer according to any one of claims 1 to 3, wherein the first air guide element is formed by extending at least a part of the first sealing element into the first through hole.
The atomizer of any one of claims 1 to 3, wherein the first groove has a depth of less than 2 mm.
The atomizer of claim 1, wherein the support comprises:

a first surface at least partially defining a liquid guiding channel through which the atomizing assembly is in fluid communication with the liquid storage chamber;

a second surface facing away from the reservoir; the through hole extends between the first surface and the second surface.
2. The nebulizer of claim 1, wherein the first sealing element has a hollow wall for defining at least partially housing the nebulizer assembly, the air guide element extending from the wall and on the outside of the hollow.
An atomizer configured to atomize a liquid substrate to generate an aerosol; it is characterized in that, comprising:

A reservoir chamber for storing liquid substrates;

a porous body, comprising a liquid channel running through the porous body along the length direction, and in fluid communication with the liquid storage cavity through the liquid channel to absorb the liquid substrate;

a heating element coupled to the porous body and used to heat at least a portion of the liquid matrix of the porous body to generate an aerosol;

a bracket for holding the porous body; the bracket is provided with a second through hole opposite to the liquid channel;

A second air guide element extends at least partially within the second through hole, and is bounded with the second through hole or defined by the second air guide element to form a second air channel, so as to provide air into the second through hole. the second flow path of the liquid storage chamber.
16. The atomizer of claim 15, wherein the second through hole is configured to extend in a direction perpendicular to a longitudinal direction of the atomizer.
16. The atomizer of claim 15, wherein the second air guide element is configured to be substantially cylindrical.
The atomizer according to claim 15, wherein the surface of the second air guide element is provided with a second groove extending along the axial direction of the second through hole, and the second groove is formed by the second groove. The second air channel is defined with the inner wall of the second through hole.
16. The nebulizer of claim 15, wherein the support includes a holding space in which the porous body is at least partially received and held;

The second through hole is configured to extend from an inner surface of the holding space to an outer surface of the support frame.
16. The nebulizer of claim 15, wherein the bracket includes a first portion adjacent to the liquid reservoir in a longitudinal direction of the nebulizer, and a second portion facing away from the first portion; wherein ,

The first part is provided with a second liquid guide channel in fluid communication with the liquid storage cavity, and the liquid channel of the porous body is in fluid communication with the liquid storage cavity through the first liquid guide channel;

the second portion is configured to at least partially receive and retain the porous body;

The second through hole is formed in the second portion.
The atomizer of claim 15, further comprising:

A second sealing element, positioned between the support and the porous body, is configured to wrap around at least a portion of the outer surface of the porous body and avoid the second through hole.
An electronic atomizing device, comprising an atomizing device for atomizing a liquid substrate to generate aerosol, and a power supply device for supplying power to the atomizing device; characterized in that, the atomizing device comprises any of claims 1 to 21 A nebulizer of the kind described.