Atomizer and electronic atomization device

Abstract

The invention provides an atomizer and an electronic atomization device. The atomizer comprises a shell and a liquid storage cavity used for storing a liquid matrix; the atomizing assembly is used for atomizing the liquid matrix to generate aerosol; the support is configured to at least partially support the atomization assembly; the support at least partially surrounds or defines an atomization cavity, and the atomization assembly is at least partially contained in the atomization cavity. The ventilation channel is formed between the outer surface of the support and the shell and used for providing a channel path for air in the atomization cavity to enter the liquid storage cavity. And the at least one flow blocking structure is arranged in the ventilation channel and is used for blocking the air or the liquid matrix flowing through the ventilation channel. According to the atomizer, the flow blocking structure is arranged in the ventilation channel, the atomizer can adapt to the change of external pressure in the transportation or storage process of the atomizer to lock the liquid matrix and air in the ventilation channel, and then the internal pressure and the external pressure of the atomizer are balanced by adjusting flowing of the liquid matrix and the air.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of electronic atomization technology, and in particular to an atomizer and an electronic atomization device. Background Art

[0002] Smoking articles (eg, cigarettes, cigars, etc.) burn tobacco during use to produce tobacco smoke. Attempts have been made to replace these tobacco-burning articles by creating products that release compounds without combustion.

[0003] 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 that may or may not contain nicotine. As another example, there are aerosol providing products, such as so-called electronic atomization devices. These devices typically include a liquid storage chamber for storing a liquid matrix, which is heated to vaporize it, thereby producing an inhalable aerosol. Known electronic atomization devices are arranged with a ventilation channel, which allows outside air to enter the liquid storage chamber when the pressure in the liquid storage chamber decreases as the liquid matrix is ​​consumed, so as to relieve or eliminate the negative pressure in the liquid storage chamber; when used in transportation or low-pressure environments, the external pressure is less than the pressure in the liquid storage chamber, causing the liquid matrix in the liquid storage chamber to leak from the ventilation channel. Summary of the Invention

[0004] One embodiment of the present application provides an atomizer, comprising a housing, and:

[0005] a liquid storage chamber for storing a liquid matrix;

[0006] A nebulizer assembly, used for atomizing a liquid matrix to generate an aerosol;

[0007] a bracket configured to at least partially support the atomizing assembly; the bracket at least partially surrounds or defines an atomizing chamber, and the atomizing assembly is at least partially accommodated in the atomizing chamber;

[0008] a ventilation channel formed between the outer surface of the bracket and the housing to provide a passage path for the air in the atomization chamber to enter the liquid storage chamber;

[0009] At least one flow-blocking structure is arranged in the ventilation channel to provide a barrier to the air or liquid medium flowing through the ventilation channel.

[0010] In some embodiments, the ventilation channel includes a groove arranged in a meandering manner on the outer surface of the bracket.

[0011] In some embodiments, at least one of the flow-blocking structures is arranged on one side of the groove along the width direction thereof, or is alternately arranged on both sides of the groove along the width direction thereof.

[0012] In some embodiments, the groove includes a first groove portion and a second groove portion spaced apart along the longitudinal direction of the bracket; the first groove portion is communicated with the atomization chamber, and the second groove portion is communicated with the liquid storage chamber.

[0013] In some embodiments, the first groove portion has a first sidewall and a second sidewall opposite to each other in the width direction; at least one of the flow-blocking structures is arranged to extend from the first sidewall toward the second sidewall and has a free end facing the second sidewall;

[0014] The communicating hole is closer to the second side wall than a free end of at least one of the flow-blocking structures.

[0015] In some embodiments, the bracket is provided with a protrusion located between the first groove portion and the second groove portion;

[0016] At least one of the flow-blocking structures is arranged to extend from the protrusion into the groove.

[0017] In some embodiments, the bracket includes a first side and a second side opposite to each other in the width direction;

[0018] The second groove portion has a communication port close to the first side and is in communication with the liquid storage chamber through the communication port;

[0019] The first groove portion and the second groove portion merge or communicate near the second side.

[0020] In some embodiments, a communication hole is further arranged on the bracket, and the communication hole passes through the atomization chamber to the first groove portion to connect the atomization chamber and the first groove portion.

[0021] In some embodiments, the flow-blocking structure includes: at least one first flow-blocking structure located in the first groove, and / or at least one second flow-blocking structure located in the second groove.

[0022] In some embodiments, the first groove portion and the second groove portion are configured to extend along a width direction of the bracket;

[0023] The width dimension of the first groove portion is greater than the width dimension of the second groove portion.

[0024] In some embodiments, the second groove portion is closer to the liquid storage chamber than the first groove portion.

[0025] In some embodiments, at least one of the flow-blocking structures is arranged at a junction of the first groove portion and the second groove portion.

[0026] In some embodiments, the atomizing assembly comprises:

[0027] a liquid guiding element, arranged substantially perpendicular to the longitudinal direction of the atomizer and at least partially extending from the atomizing chamber into the liquid storage chamber to absorb the liquid matrix;

[0028] The heating element is located in the atomizing chamber and is arranged around a portion of the liquid guiding element, and is used for heating at least a portion of the liquid matrix in the liquid guiding element to generate aerosol.

[0029] In some embodiments, the atomizer further comprises a front side and a rear side facing away from each other;

[0030] The bracket is provided with a support groove arranged toward the liquid storage cavity, and the liquid guiding element is at least partially accommodated or retained in the support groove; the support groove has an opening toward the front side, and the ventilation channel is connected to the liquid storage cavity by connecting to the opening.

[0031] Yet another embodiment of the present application provides an electronic atomization device, comprising the atomizer described above and a power supply mechanism for supplying power to the atomizer.

[0032] The above-mentioned atomizer, by arranging a flow-blocking structure in the ventilation channel, can adapt to changes in external pressure during transportation or storage of the atomizer and lock the liquid matrix and air in the ventilation channel, thereby balancing the internal and external pressures of the atomizer by adjusting the flow of the liquid matrix and air. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplifications do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0034] Figure 1 is a schematic diagram of an electronic atomization device provided by an embodiment;

[0035] Figure 2 yes Figure 1 A schematic diagram of an embodiment of a nebulizer;

[0036] Figure 3 yes Figure 2 A schematic diagram of the atomizer from one perspective;

[0037] Figure 4 yes Figure 2 A schematic diagram of the atomizer from another perspective;

[0038] Figure 5 yes Figure 2 A cross-sectional diagram of the atomizer from one perspective;

[0039] Figure 6 yes Figure 5 Schematic diagram of the atomization assembly assembled in the bracket;

[0040] Figure 7 yes Figure 5 Schematic diagram of the assembled atomization component, sealing sleeve and bracket;

[0041] Figure 8 yes Figure 6 A cross-sectional diagram of the atomization assembly assembled in the bracket;

[0042] Figure 9 yes Figure 2 Schematic diagram of the electronic atomization device in which the liquid matrix seeps from the liquid storage chamber to the ventilation channel when the external pressure is lower than the pressure in the liquid storage chamber;

[0043] Figure 10 yes Figure 2 Schematic diagram of the electronic atomization device in which the liquid matrix flows back from the ventilation channel to the liquid storage chamber when the external pressure is greater than the pressure in the liquid storage chamber;

[0044] Figure 11 This is a schematic diagram of an electronic atomization device according to another embodiment after the atomization component, the sealing sleeve, and the bracket are assembled;

[0045] Figure 12 yes Figure 11 Schematic diagram of the electronic atomization device showing the liquid matrix seeping from the liquid storage chamber to the ventilation channel when the external pressure is less than the pressure in the liquid storage chamber. DETAILED DESCRIPTION

[0046] In order to facilitate the understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and specific implementation methods.

[0047] One embodiment of the present application provides an electronic atomization device, which can be found in Figure 1 As shown, it includes a nebulizer 100 that stores a liquid matrix and atomizes it to generate an aerosol, and a power supply mechanism 200 that supplies power to the nebulizer 100. Figure 1In the illustrated embodiment, the atomizer 100 and the power supply mechanism 200 of the electronic atomization device are separable or detachable relative to each other; an electronic atomization device having such atomizer 100 and power supply mechanism 200 that are separable or detachable relative to each other is, for example, a so-called "replaceable cartridge" electronic atomization device. Or in some other variations, the atomizer 100 and the power supply mechanism 200 of the electronic atomization device are tightly wrapped and fixed by a shell component of the electronic atomization device, so that the atomizer 100 and the power supply mechanism 200 cannot be detachable relative to each other from the inside of the shell component; an electronic atomization device having such atomizer 100 and the power supply mechanism 200 that are not detachable relative to each other is, for example, a so-called "integrated or disposable" electronic atomization device.

[0048] In an alternative embodiment, such as Figure 1 As shown, the power supply mechanism 200 includes a receiving cavity 2170 arranged at one end along the length direction for receiving and accommodating at least a portion of the atomizer 100, and an electrical contact 2130 at least partially exposed in the receiving cavity 2170, which is used to form an electrical connection with the atomizer 100 when at least a portion of the atomizer 100 is received and accommodated in the power supply mechanism 200, thereby supplying power to the atomizer 100.

[0049] according to Figure 1 In the embodiment shown, an electrical contact 21 is provided on the end of the atomizer 100 opposite to the power supply mechanism 200 along the length direction, and when at least a portion of the atomizer 100 is received in the receiving cavity 2170, the electrical contact 21 contacts and abuts against the electrical contact 2130 to form conductivity.

[0050] A sealing member 2160 is provided in the power supply mechanism 200, and the sealing member 2160 separates at least a portion of the internal space of the power supply mechanism 200 to form the above-mentioned receiving cavity 2170. Figure 1 In the illustrated embodiment, the seal 2160 is configured to extend in a longitudinal direction perpendicular to the power supply mechanism 200 and is preferably made of a flexible material such as silicone, thereby preventing the liquid matrix that seeps from the atomizer 100 into the receiving chamber 2170 from flowing to components such as the controller 2120 and the sensor 2150 located inside the power supply mechanism 200.

[0051] exist Figure 1 In the illustrated embodiment, the power supply mechanism 200 also includes a battery cell 2110 for supplying power at the other end away from the receiving cavity 2170 along the length direction; and a controller 2120 arranged between the battery cell 2110 and the receiving cavity 2170, which is operable to guide current between the battery cell 2110 and the electrical contact 2130.

[0052] The power supply mechanism 200 includes a sensor 2150 for sensing the suction airflow generated by the atomizer 100 during suction. The controller 2120 then controls the battery cell 2110 to supply power to the atomizer 100 according to a detection signal from the sensor 2150 .

[0053] exist Figure 1 In the illustrated embodiment, the power supply mechanism 200 is provided with a charging interface 2140 at the other end away from the receiving cavity 2170 , and the charging interface 2140 is used to charge the battery cell 2110 .

[0054] Figures 2 to 5 Shown Figure 1 A schematic diagram of the structure of an embodiment of a nebulizer 100, wherein the nebulizer 100 includes a housing 10, which is generally hollow cylindrical and contains the necessary functional components for storing and atomizing the liquid matrix. In the embodiment, the housing 10 has:

[0055] a proximal end 110 and a distal end 120 facing each other in the longitudinal direction;

[0056] A first side 130 and a second side 140 opposite to each other in the width direction;

[0057] A front side 150 and a rear side 160 facing each other in the thickness direction;

[0058] Among them, according to the requirements of normal use, the proximal end 110 is configured as the end for the user to inhale the aerosol, and an air outlet 113 for the user to inhale is provided at the proximal end 110; and the distal end 120 is used as the end combined with the power supply mechanism 200, and the distal end 120 of the shell 10 is open, and the opening is closed by the bracket 50. The open structure is used to install various functional components into the interior of the shell 10.

[0059] exist Figures 2 to 5 In the embodiment shown, the electrical contact 21 extends from the surface of the bracket 50 to the interior of the atomizer 100, and the electrical contact 21 is at least partially exposed outside the atomizer 100, thereby forming electrical conduction through contact with the electrical contact 2130. Figures 2 to 5 As shown, after assembly, the exposed portion of the electrical contact 21 is flush with the surface of the bracket 50. At the same time, the bracket 50 is also provided with an air inlet 52 for allowing external air to enter the atomizer 100 during suction.

[0060] according to Figures 2 to 5In the illustrated embodiment, the housing 10 includes a first housing portion 11 and a second housing portion 12. The first housing portion 11 is adjacent to or defines a proximal end 110, and the second housing portion 12 is adjacent to or defines a distal end 120. The width of the first housing portion 11 is greater than the width of the second housing portion 12, and / or the thickness of the first housing portion 11 is greater than the thickness of the second housing portion 12. Furthermore, a step is formed between the first housing portion 11 and the second housing portion 12. During use, the second housing portion 12 of the housing 10 can be received within the receiving cavity 2170 of the power supply mechanism 200, establishing an electrically conductive connection therewith. Furthermore, the first housing portion 11 is exposed outside the receiving cavity 2170, and the step defined between the first housing portion 11 and the second housing portion 12 abuts against the end of the power supply mechanism 200, thereby securing the atomizer 100 when received in the receiving cavity 2170.

[0061] See also Figures 2 to 5 As shown, the housing 10 is provided with a liquid storage chamber 112 for storing the liquid matrix, and an atomizing assembly for drawing the liquid matrix from the liquid storage chamber 112 and heating and atomizing the liquid matrix. Figure 5 In the cross-sectional view shown, an aerosol output tube 111 is provided in the housing 10 along the axial direction. The space between the outer surface of the aerosol output tube 111 and the inner surface of the housing 10 forms a liquid storage chamber 112 for storing a liquid matrix. The first end of the aerosol output tube 111 relative to the proximal end 110 is connected to the air outlet 113, thereby transmitting the generated aerosol to the air outlet 113 for inhalation by the user. Figure 5 As shown in FIG, the aerosol output tube 111 and the housing 10 are integrally molded using a moldable material, and the liquid storage chamber 112 formed after the preparation is closed on the side of the proximal end 110 and open on the side facing the distal end 120.

[0062] according to Figures 2 to 5 As shown, the interior of the housing 10 is provided with:

[0063] The atomizing assembly 30 is used to absorb a liquid matrix from the liquid storage chamber 112 and heat and vaporize the absorbed liquid matrix to generate an aerosol for inhalation. Specifically, the atomizing assembly 30 includes a liquid guiding element 31 and a heating element 32 at least partially surrounding the liquid guiding element 31.

[0064] according to Figures 3 to 5 As shown, the liquid guiding element 31 is configured to extend along the width direction of the housing 10, and both ends thereof are exposed in the liquid storage chamber 112 or are in fluid communication with the liquid storage chamber 112. In use, the liquid medium in the liquid storage chamber 112 flows along the liquid guide element 31. Figure 5The middle arrow R1 indicates that the liquid is absorbed by the exposed portions of the liquid storage chamber 112 at both ends of the liquid-conducting element 31 and then transferred to the middle portion. The heating element 32 surrounds or wraps around at least a portion of the liquid-conducting element 31 to heat at least a portion of the liquid matrix within the liquid-conducting element 31 to generate an aerosol for inhalation.

[0065] In an embodiment, the liquid-conducting element 31 is flexible, for example, made of flexible fibers such as cotton fibers, non-woven fabrics, or sponges; the liquid-conducting element 31 is configured in a rod shape arranged perpendicular to the longitudinal direction of the housing 10. Alternatively, in some alternative embodiments, the liquid-conducting element 31 may also include a rigid porous element, such as porous ceramic or porous glass.

[0066] In an embodiment, the heating element 32 is arranged in the form of a spiral coil surrounding a portion of the liquid-conducting element 31. In some alternative embodiments, the heating element 32 is a mesh, tubular, or the like surrounding a portion of the liquid-conducting element 31. Alternatively, in still other embodiments, the heating element 32 is a heating element wound around a sheet or mesh substrate; the wound heating element 32 is not a closed tubular shape in the circumferential direction, but rather a cylindrical shape with side openings along the longitudinal direction. In some embodiments, the heating element 32 is made of a resistive metal or alloy, such as iron, nickel, chromium, or alloys thereof, and generates heat through resistive Joule heating.

[0067] In an embodiment, conductive pins 321 are welded or arranged at both ends of the heating element 32 to conduct current on the heating element 32. After assembly, the conductive pins 321 extend to the electrical contacts 21 and contact or weld to form a conductive connection, thereby electrically connecting the heating element 32 to the electrical contacts 21.

[0068] according to Figures 2 to 5 As shown, the bracket 50 is at least partially coupled to the opening of the distal end 120 of the housing 10 to close the distal end 120 of the housing 10. The bracket 50 is provided with a contact hole 51 into which the power contact 21 extends. At least a portion of the conductive pin 321 passes through at least a portion of the bracket 50 and then bends into the contact hole 51 to contact or connect with the power contact 21.

[0069] according to Figures 2 to 5 As shown, an air inlet 52 is further arranged on the bracket 50 for allowing external air to enter the atomizer 100 during inhalation.

[0070] according to Figures 2 to 5 As shown, the atomizer 100 further includes:

[0071] A flexible cover 20 is attached to the surface of the bracket 50 at the distal end 120; the cover 20 is used to cover the surface of the bracket 50 at the distal end 120. Specifically, the bracket 50 has a mounting groove 53 on the surface of the distal end 120, and the cover 20 is received or assembled within the mounting groove 53. The cover 20 is generally sheet-shaped and further includes a relief hole 22. When the cover 20 is attached to the surface of the bracket 50 at the distal end 120, the relief hole 22 aligns with the contact hole 51 / air inlet 52, thereby exposing the contact hole 51 / air inlet 52.

[0072] A flexible sealing element 59, such as an O-ring, is disposed about the stent 50; when assembled, the sealing element 59 is positioned between the stent 50 and the housing 10 near the distal end 120, thereby providing a seal therebetween.

[0073] according to Figures 2 to 8 As shown, the atomizer assembly 30 is held and supported in the housing 10 by a flexible sealing sleeve 40 and a rigid bracket 50. After assembly, the atomizer assembly 30 is clamped between the sealing sleeve 40 and the bracket 50.

[0074] according to Figures 2 to 8 As shown, the bracket 50 is provided with two extension walls 55 extending from the main body toward the proximal end 110. The two extension walls 55 are spaced apart along the thickness direction of the nebulizer 100. One of the two extension walls 55 is located near the front side 150, and the other is located near the rear side 160. The atomizer assembly 30 is at least partially accommodated and retained between the two extension walls 55. After assembly, the hollow sealing sleeve 40 surrounds and encloses the extension walls 55 from the outside.

[0075] After assembly, the sealing sleeve 40 and the bracket 50 together define an atomization chamber 60, which is isolated from the liquid storage chamber 112. The atomization chamber 60 is at least partially defined between the two extension walls 55. The liquid-guiding element 31 is at least partially housed within the atomization chamber 60, with portions of both ends extending from the atomization chamber 60 into the liquid storage chamber 112, thereby drawing liquid matrix from the liquid storage chamber 112. The heating element 32 is located within the atomization chamber 60 and surrounds a portion of the liquid-guiding element 31. A portion of the liquid matrix within the liquid-guiding element 31 is heated by the heating element 32, generating an aerosol that is released into the atomization chamber 60.

[0076] according to Figures 2 to 8 As shown, the atomizing chamber 60 is connected to the air inlet 52 on the bracket 50, and the external air enters the atomizing chamber 60 through the air inlet 52. The sealing sleeve 40 is provided with an insert port 42; during assembly, the aerosol output tube 111 is at least partially inserted into or passes through the insert port 42, and then connected to the atomizing chamber 60, thereby outputting the aerosol in the atomizing chamber 60 to the air outlet 113. During inhalation, the airflow path of the atomizer 100 is based on Figure 5As indicated by the middle arrow R2 , external air enters the atomization chamber 60 from the air inlet 52 and carries the aerosol to be output from the aerosol output tube 111 to the air outlet 113 .

[0077] according to Figures 2 to 8 As shown, the inner wall of the hollow sealing sleeve 40 is provided with a stop protrusion 41. When the aerosol delivery tube 111 is inserted into the insertion port 42, the aerosol delivery tube 111 abuts against the stop protrusion 41 to provide positioning or stopping. Accordingly, notches 551 are provided on the two extending walls 55. When the sealing sleeve 40 is assembled with the bracket 50, the stop protrusion 41 of the sealing sleeve 40 aligns with the notches 551, providing clearance during assembly.

[0078] according to Figures 2 to 8 As shown, a support groove 56 is arranged on the surface of the bracket 50 facing the liquid storage chamber 112; the support groove 56 is arranged along the width direction, and the parts at both ends of the liquid guide element 31 are accommodated and retained in the support groove 56. Figure 6 As shown in FIG, the support groove 56 is generally U-shaped. After assembly, when part of the liquid-conducting element 31 is accommodated and retained in the support groove 56, the sealing sleeve 40 and the bracket 50 clamp the part of the liquid-conducting element 31 therebetween, thereby retaining the liquid-conducting element 31.

[0079] according to Figures 2 to 8 As shown, the bracket 50 has a first side surface facing the front side 150 and a second side surface facing the rear side 160. The second side surface of the bracket 50 is smooth and, after assembly, abuts against and engages with the inner surface of the housing 10 at the rear side 160. A ventilation channel is arranged on the first side surface of the bracket 50 to provide a channel for external air to enter the liquid storage chamber 112, thereby alleviating or eliminating the negative pressure in the liquid storage chamber 112. The ventilation channel on the first side surface is located between the extension wall 55 and the sealing element 59.

[0080] according to Figures 2 to 8 As shown, the ventilation channel includes a groove arranged on the first side surface, and the groove includes:

[0081] A first groove portion 541 and a second groove portion 542 extend along the circumference of the bracket 50. The first and second groove portions 541, 542 are spaced apart in the longitudinal direction of the bracket 50, with a protrusion 543 separating them. The first groove portion 541 is closer to the distal end 120 than the second groove portion 542; alternatively, the second groove portion 542 is closer to the liquid storage chamber 112 than the first groove portion 541. The protrusion 543 extends along the circumference of the bracket 50. The first and second groove portions 541, 542 merge or communicate near the second side 140, with a juncture 549 near the second side 140 where the first and second groove portions 541, 542, communicate. The width of the first groove portion 541 is greater than the width of the second groove portion 542.

[0082] The bracket 50 is also provided with a communication hole 546 extending from the atomizing chamber 60 within the bracket 50 to the first recessed portion 541. The communication hole 546 connects the first recessed portion 541 to the atomizing chamber 60 and / or the air inlet 52, and further connects the first recessed portion 541 to the outside atmosphere. The communication hole 546 is adjacent to or adjacent to the sealing element 59.

[0083] The support groove 56 is open toward the front side 150 near the first side 130. The second groove portion 542 has a communication port 57 near the first side 130 that communicates with the open end of the support groove 56, thereby connecting the second groove portion 542 to the liquid storage chamber 112. The width of the communication port 57 is smaller than the width of the second groove portion 542.

[0084] In use Figure 7 As shown by the middle arrow R3, when the negative pressure in the liquid storage chamber 112 exceeds a predetermined threshold, air in the atomization chamber 60 enters the first groove portion 541 through the communication hole 546, flows through the first groove portion 541 and the second groove portion 542, and then enters the liquid storage chamber 112 through the communication port 57, thereby alleviating or eliminating the negative pressure in the liquid storage chamber 112. Furthermore, the ventilation channel defined by the first groove portion 541 and the second groove portion 542 has a circuitous path between the communication hole 546 and the communication port 57.

[0085] according to Figures 2 to 8 As shown, a shielding structure 547 is also arranged on the inner wall of the support 50 that defines the atomization chamber 60 to prevent the aerosol or aerosol condensate in the atomization chamber 60 from flowing toward the communication hole 546. In an embodiment, the shielding structure 547 is configured as a ridge or tab extending longitudinally along the support 50. The communication hole 546 is arranged near or adjacent to the shielding structure 547; thus, the communication hole 546 is blocked by the shielding structure 547, or the communication hole 546 is located between the shielding structure 547 and the inner surface of the atomization chamber 60.

[0086] according to Figures 2 to 8 As shown, the first side surface of the bracket 50 is also provided with:

[0087] At least one or more first flow-blocking structures 544 are located in the first groove portion 541 ; the first flow-blocking structures 544 are arranged to extend along the longitudinal direction of the bracket 50 ;

[0088] At least one or more second flow-blocking structures 545 are located in the second groove portion 542 .

[0089] At least one or more first flow-blocking structures 544 are located between the communication hole 546 and the second side in the first groove portion 541 ; at least one or more second flow-blocking structures 545 are located between the communication port 57 and the second side in the second groove portion 542 .

[0090] In some embodiments, the distance between the at least one first flow-blocking structure 544 and the communication hole 546 is less than 8 mm, which is beneficial for providing flow resistance near the communication hole 546. In some embodiments, the distance between the at least one second flow-blocking structure 545 and the communication port 57 is less than 8 mm, which is beneficial for providing flow resistance near the communication port 57.

[0091] In some embodiments, the plurality of first flow-blocking structures 544 are located on one side of the width of the first groove portion 541; or in other embodiments, the plurality of first flow-blocking structures 544 are alternately arranged on both sides of the width of the first groove portion 541. Similarly, at least one or more second flow-blocking structures 545 are each located on one side of the width of the second groove portion 542; or, the plurality of second flow-blocking structures 545 are alternately arranged on both sides of the width of the second groove portion 542.

[0092] In some embodiments, the extension length of the first flow-blocking structures 544 and / or the second flow-blocking structures 545 is approximately 0.5-1.5 mm; and the width of the first flow-blocking structures 544 and / or the second flow-blocking structures 545 is approximately 0.2-1.0 mm.

[0093] exist Figures 6 to 9 As shown in FIG, the communicating hole 546 is closer to the distal end 120 than the first flow blocking structure 544 ; alternatively, the communicating hole 546 is closer to the sealing element 59 than the first flow blocking structure 544 .

[0094] In an embodiment, at least one or more first flow blocking structures 544 extend from the protrusion 543 into the first groove portion 541 , and at least one or more second flow blocking structures 545 extend from the protrusion 543 into the second groove portion 542 .

[0095] In an embodiment, the second flow-blocking structure 545 is located near the communication port 57 and spaced apart from the communication port 57. Furthermore, the first flow-blocking structure 544 is located near the communication hole 546 and spaced apart from the communication hole 546. The first flow-blocking structure 544 and the second flow-blocking structure 545 are used to lock the liquid matrix and / or air in the ventilation channel and regulate or balance the flow of the liquid matrix and / or air. The first flow-blocking structure 544 and the second flow-blocking structure 545 are also used to reduce the flow rate of the liquid matrix in the ventilation channel to prevent bubbles from forming in the liquid matrix during flow by the surface tension of the liquid matrix and forming a flow barrier.

[0096] according to Figure 7 As shown, the first groove portion 541 has a first side wall 5411 and a second side wall 5412 opposite to each other in the width direction; wherein the first side wall 5411 is closer to the proximal end 110, and the second side wall 5412 is closer to the distal end 120. At least one first flow blocking structure 544 is arranged to extend from the first side wall 5411 toward the second side wall 5412; and the first flow blocking structure 544 is spaced apart from the second side wall 5412, and thus the first flow blocking structure 544 has a free end that is not in contact with the second side wall 5412. Figure 7 As shown, the connecting hole 546 is closer to the second side wall 5412 than the free end of the first flow-blocking structure 544. Figures 7 to 10 As shown, no matter when the atomizer 100 is placed upright or inverted, the communicating hole 546 has a higher height than the free end of the first flow-blocking structure 544 , which is beneficial for preventing the liquid matrix in the first groove portion 541 from entering the atomization chamber through the communicating hole 546 .

[0097] During assembly, the liquid storage chamber 112 of the housing 10 is first filled with liquid matrix and then inverted, and then the sealing sleeve 40, the atomizing assembly 30 and the bracket 50 are assembled. Figure 7 The module shown in FIG is then inserted into the housing 10 from the distal end 120 of the inverted housing 10 to complete the assembly. During the assembly process, a very small amount of the liquid matrix in the liquid storage chamber 112 may seep into the second groove portion 242 and / or the first groove portion 541 of the ventilation channel due to squeezing during assembly or air pressure.

[0098] Or in some other variations, the grooves defining the ventilation passages may be formed or arranged on the inner surface of the front side 150 of the housing 10 .

[0099] Further based on Figure 9 and Figure 10 As shown, after the transfer, the atomizer 100 is placed in an inverted state for transportation or storage. When the external pressure is lower than the pressure in the liquid storage chamber 112, more liquid matrix in the liquid storage chamber 112 will seep out into the second groove portion 542 through the communication port 57, as shown in FIG. Figure 9 As shown by the arrow R4, due to the surface tension of the liquid matrix, it will move forward in the narrow width of the second groove portion 542 and / or the first groove portion 541 without being entrained by bubbles. When the external pressure is greater than the pressure in the liquid storage chamber 112, part of the liquid matrix in the first groove portion 541 and / or the second groove portion 542 will flow back to the liquid storage chamber 112, so that the internal and external pressures reach equilibrium, as shown in FIG. Figure 10 As shown by the middle arrow R5, the narrow width and the tension of the liquid matrix during backflow hinder air from entering the liquid storage chamber 112 to a certain extent. Therefore, during transportation or storage, the atomizer 100 can adapt to changes in external pressure and lock or maintain the liquid matrix and air in the narrow and circuitous ventilation channel to achieve equilibrium, thereby preventing air from entering the liquid storage chamber 112 and forming bubbles during transportation or storage.

[0100] In some embodiments, the length of the first groove portion 541 and / or the second groove portion 542 is greater than the width, and the width is greater than the depth. In some specific embodiments, the width of the first groove portion 541 is between 0.8 and 1.5 mm; and the width of the second groove portion 542 is between 0.5 and 1.2 mm. In some specific embodiments, the depth of the first groove portion 541 and / or the second groove portion 542 is between 0.2 and 0.5 mm.

[0101] or Figure 11 and Figure 12 A schematic diagram of the assembly of the sealing sleeve 40a, atomizing assembly, and bracket 50a of another alternative embodiment of the atomizer 100a is shown. In this embodiment, a ventilation channel is arranged on the first side surface of the bracket 50a facing the front side of the atomizer 100a to provide a passage path for external air to enter the liquid storage chamber. The ventilation channel is formed between the first side surface of the bracket 50a and the housing 10a. In this embodiment, the ventilation channel includes:

[0102] A first groove portion 541a and a second groove portion 542a extend circumferentially of the bracket 50a. The first groove portion 541a and the second groove portion 542a are spaced apart longitudinally of the bracket 50a and separated and defined by a protrusion 543a. The first groove portion 541a and the second groove portion 542a merge and communicate near the second side of the atomizer 100a, and a merging point 549a is formed near the second side where the first groove portion 541a and the second groove portion 542a communicate.

[0103] In this embodiment, the first groove portion 541a is connected to the atomization chamber in the bracket 50a through the airflow through the connecting hole 546a. The connecting hole 546a is arranged near the protrusion 543a in the first groove portion 541a. The second groove portion 542a has a connecting port 57a arranged near the first side of the atomizer 100a; the opening of the support groove 56 toward the front is connected through the connecting port 57a, thereby connecting the second groove portion 542a with the liquid storage chamber. In use, when the negative pressure in the liquid storage chamber exceeds a predetermined threshold value, the external air entering from the connecting hole 546a flows through the first groove portion 541a and the second groove portion 542a in sequence and then enters the liquid storage chamber, as shown in FIG. Figure 11 As shown by the arrow R3.

[0104] according to Figure 11 and Figure 12 As shown, a plurality of flow-blocking structures are also arranged on the first side surface of the bracket 50a to regulate the flow of the liquid matrix in the ventilation channel and maintain the pressure balance between the liquid storage cavity and the outside during transportation or storage. Specifically, the flow-blocking structures include:

[0105] The first flow-blocking structure located in the first groove portion 541a includes a flow-blocking structure 544a and a flow-blocking structure 548a, each located in the first groove portion 541a. The flow-blocking structure 544a extends from the protrusion 543a at the end near the second side toward the first groove portion 541a along the longitudinal direction of the bracket 50a. The flow-blocking structure 548a extends from the edge of the first groove portion 541a near the distal end 120a into the first groove portion 541a. The flow-blocking structure 544a is arranged at the junction 549a of the first groove portion 541a and the second groove portion 542a.

[0106] At least one or more second flow blocking structures 545 located in the second groove portion 542 a extend from the protrusion 543 a to the second groove portion 542 a along the longitudinal direction of the bracket 50 a .

[0107] The ventilation channel of this embodiment is suitable for the atomizer 100a that is transported and stored in a sequential manner; Figure 12 As shown, after assembly is completed, a small amount of liquid matrix in the liquid storage chamber seeps from the communication port 57a into the second groove portion 542a and the first groove portion 541a, and is locked or retained in the second groove portion 542a and the first groove portion 541a. During transportation and storage, when the external pressure is lower than the pressure in the liquid storage chamber, more liquid matrix in the liquid storage chamber flows out through the communication port 57a. During the outflow process, it is blocked by the flow-blocking structure, and the liquid level in the first groove portion 541a is gradually increased without generating bubbles, as shown in FIG. Figure 12As shown by the arrow R3, when the external pressure is greater than the pressure in the liquid storage chamber, the liquid matrix in the first groove portion 541a and the second groove portion 542a flows back through the communication port 57a under the driving force of the pressure, thereby maintaining the balance of the internal and external pressures.

[0108] It should be noted that the specification and drawings of this application provide preferred embodiments of the present application, but are not limited to the embodiments described in this specification. Furthermore, it is possible for a person skilled in the art to make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to this application.

Claims

1. An atomizer, characterized in that: Includes housing, plus: a liquid storage chamber for storing a liquid matrix; A nebulizer assembly, used for atomizing a liquid matrix to generate an aerosol; a bracket configured to at least partially support the atomizing assembly; the bracket at least partially surrounds or defines an atomizing chamber, and the atomizing assembly is at least partially accommodated in the atomizing chamber; a ventilation channel formed between the outer surface of the bracket and the housing to provide a passage path for the air in the atomization chamber to enter the liquid storage chamber; At least one flow-blocking structure is arranged in the ventilation channel to provide a barrier to the air or liquid medium flowing through the ventilation channel.

2. The atomizer according to claim 1, wherein The ventilation channel includes a groove arranged in a bent manner on the outer surface of the bracket.

3. The atomizer according to claim 2, wherein At least one of the flow-blocking structures is arranged on one side of the groove along the width direction thereof, or is alternately arranged on both sides of the groove along the width direction thereof.

4. The atomizer according to claim 2 or 3, characterized in that The groove includes a first groove portion and a second groove portion spaced apart along a longitudinal direction of the bracket; the first groove portion is communicated with the atomization chamber, and the second groove portion is communicated with the liquid storage chamber.

5. The atomizer according to claim 4, characterized in that The bracket is further provided with a communication hole, which passes through the atomization chamber to the first groove portion to connect the atomization chamber and the first groove portion.

6. The atomizer according to claim 5, characterized in that The first groove portion has a first side wall and a second side wall opposite to each other in the width direction; at least one of the flow-blocking structures is arranged to extend from the first side wall toward the second side wall and has a free end facing the second side wall; The communicating hole is closer to the second side wall than a free end of at least one of the flow-blocking structures.

7. The atomizer according to claim 4, wherein The bracket is provided with a protrusion located between the first groove portion and the second groove portion; At least one of the flow-blocking structures is arranged to extend from the protrusion into the groove.

8. The atomizer according to claim 4, wherein The bracket includes a first side and a second side opposite to each other in the width direction; The second groove portion has a communication port close to the first side and is in communication with the liquid storage chamber through the communication port; The first groove portion and the second groove portion merge or communicate near the second side.

9. The atomizer according to claim 4, wherein: The flow-blocking structure includes: at least one first flow-blocking structure located in the first groove, and / or at least one second flow-blocking structure located in the second groove.

10. The atomizer according to claim 4, wherein The first groove portion and the second groove portion are configured to extend along a width direction of the bracket; The width dimension of the first groove portion is greater than the width dimension of the second groove portion.

11. The atomizer according to claim 4, wherein The second groove portion is closer to the liquid storage chamber than the first groove portion.

12. The atomizer according to claim 8, wherein At least one of the flow-blocking structures is arranged at a junction of the first groove portion and the second groove portion.

13. The atomizer according to claim 1 or 2, characterized in that The atomizing assembly comprises: a liquid guiding element, arranged substantially perpendicular to the longitudinal direction of the atomizer and at least partially extending from the atomizing chamber into the liquid storage chamber to absorb the liquid matrix; The heating element is located in the atomizing chamber and is arranged around a portion of the liquid guiding element, and is used for heating at least a portion of the liquid matrix in the liquid guiding element to generate aerosol.

14. The atomizer according to claim 13, wherein The atomizer further includes a front side and a rear side facing away from each other; The bracket is provided with a support groove arranged toward the liquid storage cavity, and the liquid guiding element is at least partially accommodated or retained in the support groove; the support groove has an opening toward the front side, and the ventilation channel is connected to the liquid storage cavity by connecting to the opening.

15. An electronic atomization device, characterized in that: The invention comprises the atomizer according to any one of claims 1 to 14, and a power supply mechanism for supplying power to the atomizer.

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