Atomizer and electronic atomization device

Abstract

The utility model 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. People have attempted 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 generally 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, and when the pressure in the liquid storage chamber decreases with the consumption of the liquid matrix, external air is supplied to enter the liquid storage chamber to relieve or eliminate the negative pressure in the liquid storage chamber; when used in transportation or a low-pressure environment, the liquid matrix in the liquid storage chamber leaks from the ventilation channel because the external pressure is less than the pressure in the liquid storage chamber. Utility Model Content

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

[0005] A liquid storage chamber, used for storing a liquid matrix;

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

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

[0008] A ventilation channel is formed between the outer surface of the support 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 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.

[0013] In some embodiments, 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;

[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 connected to 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 connecting hole is further arranged on the bracket, and the connecting 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 the 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 atomization assembly comprises:

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

[0028] The heating element is located in the atomization 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 opposite to 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 with the liquid storage cavity by connecting with 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 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 to lock the liquid matrix and air in the ventilation channel, and then balance 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 described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and 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 an atomizer;

[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 schematic diagram of a middle atomizer from one perspective;

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

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

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

[0042] Fig. 9 yes Figure 2 A 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 less than the pressure in the liquid storage chamber;

[0043] Fig.10 yes Figure 2 A 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] Fig.11 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] Fig.12 yes Fig.11 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 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 in conjunction with 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, the invention comprises a nebulizer 100 storing a liquid matrix and atomizing the liquid matrix to generate an aerosol, and a power supply mechanism 200 for supplying power to the nebulizer 100. Figure 1In the illustrated embodiment, the atomizer 100 and the power supply mechanism 200 of the electronic atomization device can be separated or disassembled relative to each other; the electronic atomization device having such atomizer 100 and the power supply mechanism 200 can be separated or disassembled relative to each other, such as the so-called "replaceable cartridge" electronic atomization device. Or in some other variant embodiments, the atomizer 100 and the power supply mechanism 200 of the electronic atomization device are tightly wrapped and fixed by the 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; the electronic atomization device having such atomizer 100 and the power supply mechanism 200 cannot be detachable relative to each other, such as the so-called "integrated or disposable" electronic atomization device.

[0048] In an alternative embodiment, for example 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 illustrated embodiment, an electric 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 electric contact 21 contacts and abuts against the electric contact 2130 to form conduction.

[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 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 when the atomizer 100 is inhaled, and then the controller 2120 controls the battery cell 2110 to supply power to the atomizer 100 according to the detection signal of 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 Shows Figure 1 The schematic diagram of the structure of an embodiment of the atomizer 100 is shown in FIG. 1 , wherein the atomizer 100 includes a housing 10, which is generally in the shape of a hollow cylinder and contains necessary functional components for storing and atomizing a 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 opposite to 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, and the open structure is used to install various functional components into the shell 10.

[0059] exist Figures 2 to 5 In the illustrated embodiment, the electric contact 21 penetrates from the surface of the bracket 50 to the inside of the atomizer 100, and the electric contact 21 is at least partially exposed outside the atomizer 100, and is in contact with the electric contact 2130 to form electrical conduction. 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 embodiment shown, the housing 10 includes a first housing portion 11 and a second housing portion 12; wherein the first housing portion 11 is close to or defines a proximal end 110, and the second housing portion 12 is close to or defines a distal end 120. The width dimension of the first housing portion 11 is greater than the width dimension of the second housing portion 12; and / or, the thickness dimension of the first housing portion 11 is greater than the thickness dimension of the second housing portion 12. A step is formed between the first housing portion 11 and the second housing portion 12. In use, the second housing portion 12 of the housing 10 can be received in the receiving cavity 2170 of the power supply mechanism 200 to establish a conductive connection with the power supply mechanism 200; and 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 to provide a stop for the atomizer 100 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 a 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 schematic diagram shown, an aerosol output tube 111 is provided in the housing 10 along the axial direction, and 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, so that the generated aerosol is transmitted to the air outlet 113 and provided to the user for inhalation. Figure 5 As shown in , the aerosol output tube 111 and the housing 10 are integrally molded using a moldable material, and the liquid storage cavity 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 matrix in the liquid storage chamber 112 flows along the liquid guide element 31. Figure 5The middle arrow R1 shows that the liquid exposed at both ends of the liquid guiding element 31 in the liquid storage chamber 112 is absorbed and then transferred to the middle portion. The heating element 32 surrounds or wraps around at least a portion of the liquid guiding element 31 to heat at least a portion of the liquid matrix in the liquid guiding 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, etc.; the liquid-conducting element 31 is configured to be a rod arranged perpendicular to the longitudinal direction of the housing 10. Alternatively, in some other variant embodiments, the liquid-conducting element 31 may also include a rigid porous body element, etc., such as porous ceramics or porous glass, etc.

[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 optional embodiments, the heating element 32 is a mesh, a tube, etc. surrounding a portion of the liquid-conducting element 31. Or in some other embodiments, the heating element 32 is a heating element wound by a sheet or mesh substrate; the wound heating element 32 is not a closed tube in the circumferential direction, but a cylinder with a side opening 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 their alloys, etc., and generates heat through resistive Joule heat.

[0067] In an embodiment, conductive pins 321 are welded or arranged at both ends of the heating element 32 to guide current on the heating element 32. After assembly, the conductive pins 321 extend to the electrical contact 21 and contact or weld to form conductivity, so as to electrically connect the heating element 32 with the electrical contact 21.

[0068] according to Figures 2 to 5 As shown, the bracket 50 is at least partially combined with 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, and 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 also arranged on the bracket 50 to allow external air to enter the atomizer 100 during inhalation.

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

[0071] The flexible cover 20 is combined with 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 accommodated or assembled in the mounting groove 53. The cover 20 is basically sheet-shaped, and the cover 20 is also arranged with an avoidance hole 22; when the cover 20 is combined with the surface of the bracket 50 at the distal end 120, the avoidance hole 22 is aligned 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 around the stent 50; when assembled, the sealing element 59 is located 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, two extension walls 55 extending from the main body toward the proximal end 110 are arranged on the bracket 50; the two extension walls 55 are arranged at intervals along the thickness direction of the atomizer 100; one of the two extension walls 55 is close to the front side 150, and the other is close to 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 wall 55 from the outside.

[0075] After assembly, the sealing sleeve 40 and the bracket 50 define the atomizing chamber 60 isolated from the liquid storage chamber 112; the atomizing chamber 60 is at least partially defined between the two extension walls 55. The liquid guiding element 31 is at least partially contained in the atomizing chamber 60, and a portion of both ends penetrates from the atomizing chamber 60 into the liquid storage chamber 112, thereby absorbing the liquid matrix from the liquid storage chamber 112. The heating element 32 is located in the atomizing chamber 60 and surrounds a portion of the liquid guiding element 31. The aerosol generated by heating a portion of the liquid matrix in the liquid guiding element 31 by the heating element 32 is released into the atomizing 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 insertion port 42; during assembly, the aerosol output tube 111 is at least partially inserted into or passes through the insertion port 42, and then communicates with the atomizing chamber 60, so as to output 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 shown 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, and when the aerosol output tube 111 is inserted into the insertion port 42, the aerosol output tube 111 abuts against the stop protrusion 41 to provide positioning or stopping. Accordingly, notches 551 are provided on the two extension walls 55; when the sealing sleeve 40 and the bracket 50 are assembled, the stop protrusion 41 of the sealing sleeve 40 is aligned with the notch 551 so that the notch 551 provides avoidance 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. 5 , the support groove 56 is generally in a U-shape. When part of the liquid-conducting element 31 is accommodated and held in the support groove 56 after assembly, the sealing sleeve 40 and the bracket 50 clamp the part of the liquid-conducting element 31 therebetween, thereby holding 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, the second side surface of the bracket 50 is against and combined 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 of 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 groove portion 541 and the second groove portion 542 are arranged at intervals along the longitudinal direction of the bracket 50, and a protrusion 543 is provided between them to separate them. The first groove portion 541 is closer to the distal end 120 than the second groove portion 542; or, 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 groove portion 541 and the second groove portion 542 merge or communicate near the second side 140; and there is a merge 549 near the second side 140 where the first groove portion 541 and the second groove portion 542 are communicated. 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 connecting hole 546, which passes through the atomizing chamber 60 in the bracket 50 to the first groove portion 541. The connecting hole 546 connects the first groove portion 541 with the atomizing chamber 60 and / or the air inlet 52, and further connects the first groove portion 541 with the outside atmosphere. The connecting hole 546 is close 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 connected to the open opening of the support groove 56 near the first side 130, 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, the air in the atomization chamber 60 enters the first groove portion 541 from 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 from the communication port 57 to relieve or eliminate the negative pressure in the liquid storage chamber 112. In addition, 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 defining the atomizing chamber 60 to prevent the aerosol or aerosol condensate in the atomizing chamber 60 from flowing to the connecting hole 546. In an embodiment, the shielding structure 547 is configured as a convex ridge or a convex piece extending in the longitudinal direction of the support 50. The connecting hole 546 is arranged close to or adjacent to the shielding structure 547; thus, the connecting hole 546 is shielded by the shielding structure 547, or the connecting hole 546 is located between the shielding structure 547 and the inner surface of the atomizing chamber 60.

[0086] according to Figures 2 to 8 As shown, the first side surface of the bracket 50 is also arranged 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 extended and arranged 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 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 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 some 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 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 between 0.5 and 1.5 mm; and the width of the first flow-blocking structures 544 and / or the second flow-blocking structures 545 is approximately between 0.2 and 1.0 mm.

[0093] exist Figures 6 to 9 As shown in , the communication hole 546 is closer to the distal end 120 than the first flow blocking structure 544 ; alternatively, the communication 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 . 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 close to the communication port 57 and is arranged at intervals from the communication port 57. And, the first flow-blocking structure 544 is close to the communication hole 546 and is arranged at intervals 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 adjust 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 the liquid matrix from generating bubbles during the flow through the surface tension of the liquid matrix and the formation of flow resistance.

[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 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 connecting 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 connecting 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 into Figure 7 The module shown in the figure 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 will be squeezed or air pressure during assembly and seep into the second groove portion 242 and / or the first groove portion 541 of the ventilation channel.

[0098] Or in some other modified embodiments, 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 Fig. 9 and Fig.10 As shown, after the transfer, the atomizer 100 is transported or stored in an inverted state. When the external pressure is less than the pressure in the liquid storage chamber 112, more liquid matrix in the liquid storage chamber 112 will seep out to the second groove portion 542 through the communication port 57. Fig. 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 mixed with 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 to balance the internal and external pressures, as shown in FIG. Fig.10 As shown by the middle arrow R5, the narrow width and the tension of the liquid matrix hinder the air from entering the liquid storage chamber 112 to a certain extent during the reflux. Therefore, during transportation or storage, the atomizer 100 can adapt to the change of external pressure to lock or keep the liquid matrix and air in the narrow and circuitous ventilation channel to form a balance, so as to prevent the air from entering the liquid storage chamber 112 to form 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 Fig.11 and Fig.12 A schematic diagram of the assembly of the sealing sleeve 40a, the atomizing assembly and the bracket 50a of the atomizer 100a of another variant embodiment 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 channel 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] The first groove portion 541a and the second groove portion 542a extend along the circumference of the bracket 50a; the first groove portion 541a and the second groove portion 542a are spaced apart along the longitudinal direction of the bracket 50a and are separated and defined by the protrusion 543a. The first groove portion 541a and the second groove portion 542a are connected and merged at the second side near the atomizer 100a, and there is a merge 549a where the first groove portion 541a and the second groove portion 542a are connected and merged at the second side.

[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. Then, 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, such as Fig.11 As shown by the arrow R3.

[0104] according to Fig.11 and Fig.12 As shown, a plurality of flow-blocking structures are also arranged on the first side surface of the bracket 50a to adjust 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 respectively 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 to the first groove portion 541a; the flow blocking structure 544a is arranged at the confluence 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 542a extend from the protrusion 543a to the second groove portion 542a along the longitudinal direction of the bracket 50a.

[0107] The ventilation channel of this embodiment is suitable for the atomizer 100a that is transported and stored in a straight-up manner; Fig.12 As shown, after the assembly is completed, a small amount of liquid matrix in the liquid storage chamber seeps from the connecting 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 less than the pressure in the liquid storage chamber, more liquid matrix in the liquid storage chamber flows out through the connecting port 57a, and is blocked by the flow blocking structure during the outflow process, gradually increasing the liquid level in the first groove portion 541a without generating bubbles, as shown in FIG. Fig.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 connecting 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 preferred embodiments of the present application are given in the specification and drawings of the present application, but are not limited to the embodiments described in the specification. Furthermore, it is possible for a person of ordinary skill 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 the present application.

Claims

1. An atomizer, characterized in that: Includes housing, and: A liquid storage chamber, used for storing a liquid matrix; A nebulizer assembly, used for atomizing a liquid matrix to generate an aerosol; A support configured to at least partially support the atomization assembly; the support at least partially surrounds or defines an atomization chamber, and the atomization assembly is at least partially accommodated in the atomization chamber; A ventilation channel is formed between the outer surface of the support 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, characterized in that 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, characterized in that 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 in 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.

5. The atomizer according to claim 4, characterized in that The bracket is also provided with a communication hole, which passes through the atomization chamber to the first groove portion so as 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, characterized in that 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, characterized in that The bracket includes a first side and a second side opposite to each other in a width direction; The second groove portion has a communication port close to the first side and is connected to 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, characterized in that 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, characterized in that 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, characterized in that The second groove portion is closer to the liquid storage chamber than the first groove portion.

12. The atomizer according to claim 8, characterized in that 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 penetrating from the atomizing chamber into the liquid storage chamber to absorb the liquid matrix; The heating element is located in the atomization 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, characterized in that The atomizer also 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 with the liquid storage cavity by connecting with 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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