EP4223159A1 - Atomizing structure, atomizer and aerosol generating device - Google Patents
Atomizing structure, atomizer and aerosol generating device Download PDFInfo
- Publication number
- EP4223159A1 EP4223159A1 EP22213356.3A EP22213356A EP4223159A1 EP 4223159 A1 EP4223159 A1 EP 4223159A1 EP 22213356 A EP22213356 A EP 22213356A EP 4223159 A1 EP4223159 A1 EP 4223159A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- atomizing
- wall
- air channel
- sealing element
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000443 aerosol Substances 0.000 title claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims description 108
- 239000007788 liquid Substances 0.000 claims description 94
- 238000004891 communication Methods 0.000 claims description 46
- 238000009423 ventilation Methods 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 31
- 238000000889 atomisation Methods 0.000 claims description 14
- 230000032258 transport Effects 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000005484 gravity Effects 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/44—Wicks
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/48—Fluid transfer means, e.g. pumps
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/48—Fluid transfer means, e.g. pumps
- A24F40/485—Valves; Apertures
Definitions
- the present disclosure relates to a technical field of atomization, in particular to an atomizing structure, an atomizer, and an aerosol generating device.
- Electronic atomizer mainly includes an atomizer and a power supply.
- the atomizer generally includes a liquid storing chamber and an atomizing structure.
- the liquid storing chamber is used to store an atomizing medium
- the atomizing structure is configured to heat and atomize the atomizing medium to form an aerosol that can be inhaled by smokers.
- the power supply is configured to provide energy to the atomizing structure.
- a heating element on the atomizing core is mounted on a liquid-guiding surface of a liquid-guiding element by printing, embedding, etc. or directly fixed to the liquid-guiding surface of the liquid-guiding element.
- the heating element is in direct contact with the liquid- guiding surface.
- the heat generated by it will be directly transported to the liquid-guiding surface through an atomizing surface, and heat the atomizing medium in contact with a bottom position, so that it will not only cause excessive heat loss of the heating element, but also repeatedly heat the atomizing medium at the bottom position, which is not conducive to a storage of the atomizing medium.
- an atomizing structure an atomizer, and an aerosol generating device are provided.
- An atomizing structure includes an atomizing core assembly including an atomizing portion and a guiding portion, wherein the atomizing portion is fixed in the guiding portion, the atomizing portion has an outer wall, the guiding portion has an inner wall portion, and the outer wall is in partial contact with the inner wall portion, the guiding portion is in contact with an atomizing medium, and is configured to transport the atomizing medium to the atomizing portion through the inner wall portion and the outer wall in sequence, the outer wall forms a first atomizing surface configured to generate aerosol, and a first air channel for transporting the aerosol is provided between the outer wall and the inner wall portion; and a heating element at least partially embedded in the atomizing portion.
- the first atomizing surface and the liquid-absorbing surface are physically isolated, the heating element indirectly contacts the atomizing medium in a liquid storing chamber through the guiding portion, so that there is a long distance between the heating element and the atomizing medium in the liquid storing chamber, so as to effectively isolate a heat transferring, which can avoid the deterioration of the atomizing medium in the liquid storing chamber caused by high temperature, and the entire atomizing structure can have high heating efficiency.
- the outer wall is in direct contact with the inner wall portion A, the guiding portion obtains the atomizing medium through the liquid-absorbing surface.
- the liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure sufficient liquid supply and ensure that the atomizing medium is smoothly transported to the heating element to obtain a large amount of atomization, which solves a problem of poor atomization effect and insufficient smoke volume of conventional atomization.
- the guiding portion has an outer wall portion, the outer wall portion is provided with a liquid-absorbing surface.
- the outer wall is in surface contact with the inner wall portion, and the outer wall and the inner wall portion are tangent; or a shortest distance from an inner wall of the atomizing portion to an outer wall portion of the guiding portion is less than or equal to the sum of a distance from the inner wall to the outer wall and a distance from inner wall portion to the outer wall portion.
- At least two first air channels are provided, and the at least two first air passages are evenly distributed.
- the atomizing portion has a central axis, and the at least two first air channels are evenly distributed relative to the central axis.
- the atomizing portion has an inner wall, the inner wall forms a second atomizing surface and a second air channel configured to transport the aerosol generated on the second atomizing surface.
- a bottom of the atomizing portion is provided with an avoiding groove, the first air channel is in fluid communication with the second air channel through the avoiding groove; and/or, a top portion of the atomizing portion is provided with a flowing area, the first air channel is in fluid communication with the second air channel through the flowing area.
- the atomizing core assembly is provided with a limiting step above the atomization portion on the guiding portion.
- An atomizer includes a liquid storing structure and the above-mentioned atomizing structure, the liquid storing structure is provided with a liquid storing cavity configured to accommodate the atomizing medium, and the guiding portion is in contact with the atomizing medium; the aerosol generated by the heating element passes through the first air channel and the second air channel, and flows out through the liquid storing structure.
- the liquid storing structure includes an upper sealing element, a lower sealing element, and a housing
- the housing is provided with a mounting cavity
- the upper sealing element covers the housing and is partially mounted in the mounting cavity
- the lower sealing element is mounted in the mounting cavity
- the atomizing structure is provided with a middle sealing element and a ventilation tube, one end of the ventilation tube tightly abuts against the upper sealing element, the other end of the ventilation tube tightly abuts against the middle sealing element, and the ventilation tube abuts against the middle sealing element, the atomizing core assembly, the lower sealing element and the housing sequentially through the middle sealing element.
- the ventilation tube is provided with a main air channel
- the upper sealing element is provided with a first communicating opening
- the ventilation tube is at least partially located in the housing
- the liquid storing cavity is formed in the mounting cavity and located between in the housing and the ventilation tube
- the main air channel is in fluid communication with the first air channel and the second air channel to transport the aerosol
- the aerosol in the main air channel flows out through the first communicating opening.
- the atomizing structure further includes a mounting element and a sealing sleeve
- the guiding portion is provided with a wire
- the lower sealing element is provided with a mounting groove
- the mounting element is sleeved on the wire and located in the lower sealing element
- the sealing sleeve is sleeved on the lower sealing portion or sleeved in the mounting groove
- the mounting element, the lower sealing element, and the sealing sleeve cooperate to enable the lower sealing element to tightly abut against the housing to seal the liquid storing cavity, so that the atomizing medium in the liquid storing cavity only contacts the liquid-absorbing surface of the guiding portion.
- the housing is provided with at least two electrode mounting seats, each of the electrode mounting seat is provided with an electrode element, the wire is electrically connected to the electrode element in the electrode mounting seat; the housing is provided with an air inlet, the air inlet is in fluid communication with the first air channel and the second air channel, respectively.
- An aerosol generating device includes a power supply and the above-mentioned atomizer, the power supply is electrically connected to the atomizer for supplying power to the atomizer.
- the atomizer further comprising a nozzle structure
- the power supply structure includes a casing, a bracket, a battery, a circuit board, a control element, a connecting end, and a bottom case
- the casing is sleeve on a part of the housing
- the nozzle structure is sleeve on a part of the housing
- the nozzle structure blocks the first liquid injecting hole and the second liquid injecting hole
- the bracket is fixed in the casing
- the battery is mounted to the bracket and is electrically connected to the electrode element
- an airflow gap in fluid communication with the air inlet is formed between the bracket, the battery and the casing.
- the control element includes a button, a button base and a connector
- the button is mounted to the button base and exposed outside the bottom case
- the button base is fixed to the circuit board
- the connector is electrically connected to the battery through the circuit board
- the button base surrounds and fixes the connector
- the button is located on the connector to turn on or off the connector.
- first and second are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
- features defined with “first” and “second” may explicitly or implicitly include at least one of the features.
- “multiple” means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.
- the first feature "above” or “below” the second feature may be in direct contact with the first and second features, or the first and second features may be in indirect contact through an intermediate medium.
- the first feature is “above” the second feature, but the first feature is directly above or diagonally above the second feature, or it only means that the horizontal height of the first feature is higher than the second feature.
- the first feature is "below” of the second feature, which can mean that the first feature is directly below or obliquely below the second feature, or simply that the horizontal height of the first feature is less than that of the second feature.
- an atomizing structure 100 includes an atomizing core assembly 110 and a heating element 120.
- the atomizing core assembly 110 includes an atomizing portion 111 and a guiding portion 112.
- the heating element 120 is at least partially embedded in the atomizing portion 111, the atomizing portion 111 is fixed in the guiding portion 112.
- the atomizing portion 111 has an outer wall 116, the guiding portion 112 has an inner wall portion 112A. Referring to FIG. 2 to FIG. 4 , the outer wall 116 is in partial contact with the inner wall portion 112A.
- the guiding portion 112 is in contact with an atomizing medium, the atomizing medium is transported to the atomizing portion 111 through the inner wall portion 112A and the outer wall 116 in sequence.
- the outer wall 116 forms a first atomizing surface configured to generate aerosol, and a first air channel 191 is provided between the outer wall 116 and the inner wall portion 112A to transport the aerosol generated by the first atomizing surface.
- the first atomizing surface and the liquid-absorbing surface 119 are physically isolated, the heating element 120 indirectly contacts the atomizing medium in a liquid storing chamber through the guiding portion 112, so that there is a long distance between the heating element 120 and the atomizing medium in the liquid storing chamber, so as to effectively isolate a heat transferring, which can avoid the deterioration of the atomizing medium in the liquid storing chamber caused by high temperature, and the entire atomizing structure can have high heating efficiency.
- the outer wall 116 is in direct contact with the inner wall portion 112A, the guiding portion 112 obtains the atomizing medium through the liquid-absorbing surface 119.
- the liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure sufficient liquid supply and ensure that the atomizing medium is smoothly transported to the heating element 120 to obtain a large amount of atomization, which solves a problem of poor atomization effect and insufficient smoke volume of conventional atomization.
- the guiding portion 112 is provided with a liquid-absorbing surface 119 in contact with the atomizing medium, the liquid-absorbing surface 119 is configured to absorb the atomizing medium into an inside of the guiding portion 112, and the atomizing medium is transported to an inside of the atomizing portion 111 through the inner wall portion 112A and the outer wall 116 in sequence.
- the guiding portion 112 has an outer wall portion 112B, the outer wall portion 112B is provided with the liquid-absorbing surface 119. The outer wall portion 112B is in contact with the atomizing medium, and the atomizing medium is transported to the inside of the atomizing portion 111 through the outer wall portion 112B, the inner wall portion 112A, and the outer wall 116 in sequence.
- the atomizing portion 111 further has an inner wall 115
- the heating element 120 is integrally formed with the atomizing portion 111 and is located between the outer wall 116 and the inner wall 115.
- the inner wall 115 forms a second atomizing surface configured to generate aerosol and a second air channel 192 configured to transport the aerosol generated by the second atomizing surface.
- the heating element 120 may be a spiral heating wire, a mesh heating wire, and a sheet heating wire.
- the heating element 120 is provided with a wire extending outside the atomizing portion 111.
- the heating element 120 is embedded in the atomizing portion 111.
- the guiding portion 112 has a cylindrical structure including the inner wall portion 112A and an outer wall portion 112B.
- the inner wall portion 112A is connected to the atomizing portion 111, the outer wall portion 112B is at least partially in contact with the atomizing medium, so that the atomizing medium is transported from the inside of the guiding portion 112 to the atomizing portion 111, and atomized by the heating element 120 to generate the aerosol.
- At least 80% of the outer wall portion 112B, which is the outer surface of the guide portion 112, is configured as the liquid-absorbing surface 119.
- the entire outer surface of the guiding portion 112 is configured as the liquid-absorbing surface 119 or the entire surface of the guiding portion 112 away from the outer wall 116 is configured as the liquid-absorbing surface 119.
- the guiding portion 112 has a regular circular tubular structure. In one of the embodiments, the entire outer surface of the guiding portion 112 away from the atomizing portion 111 is configured as the liquid-absorbing surface 119.
- the atomizing portion 111 and the guiding portion 112 are both made of microporous materials with a certain porosity. That is, the inside of the atomizing core assembly 110 has a porous structure, in other words, both the atomizing portion 111 and the guiding portion 112 have a porous structure.
- the porous structure means a hollow porous body, which exhibits a porous shape at the microscopic level, so as to transport the atomizing medium inside the atomizing core assembly 110 and the atomizing portion 111.
- a pore diameter of the porous structure is arranged of 100 nanometers to 120 nanometers. In one of the embodiments, the pore diameter of the porous structure is in a range of 1 micrometer to 100 micrometers. In another embodiment, the pore diameter of the porous structure is in a range of 10 microns to 50 microns.
- the material of the porous structure is ceramic or glass.
- an internal porosity of the porous structure is arranged of 30% to 90%. In another embodiment, the internal porosity of the porous structure is arranged of 50% to 65%. Such configurations are beneficial to transport the atomizing medium through the inside of the atomizing portion 111.
- the porosity of the guiding portion 112 is greater than the porosity of the atomizing portion 111, so that the total amount of the atomizing medium in the guiding portion 112 is supplied sufficiently, and the relatively small porosity of the atomizing portion 111 can prevent leakage of the atomizing portion 111, which is beneficial to guide the atomizing medium into the atomizing portion 111.
- the inside of the guiding portion 112 is provided with different pores to form a guiding channel, the liquid-absorbing surface 119 transports the atomizing medium to the atomizing portion 111 through the guiding channel, so as to accurately and uniformly transport the atomizing medium to the atomizing portion 111 and the heating element 120, thereby obtaining the uniform aerosol.
- Such the configuration connects the atomizing portion 111 to the guiding portion 112, and the atomizing medium is transported through a liquid guiding portion, that is, the entire tubular outer wall of the guiding portion 112, a liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure the sufficient supply of atomizing medium to the heating element 120, and the atomizing portion 111 includes a plurality of atomizing areas inside and outside thereof, the amount of atomization is large.
- a bottom of the atomizing portion 111 is provided with an avoiding groove 114, the first air channel 191 is in fluid communication with the second air channel 192 through the avoiding groove 114.
- the atomizing portion 111 has a top portion 117, the top portion 117 is configured to cooperate with other components to retain the fluid communication between the first air channel 191 and the second air channel 192.
- the top portion 117 is provided with a flowing area 113, the first air channel 191 is in fluid communication with the second air channel 192 through the flowing area 113.
- an upper end surface of the atomizing portion 111 is lower than an upper end surface of the guiding portion 112, or a lower end surface of the atomizing portion 111 is higher than a lower end surface of the guiding portion 112, so as to ensure that the air can pass through two smoke channels at the same time, that is, the first air channel 191 and the second air channel 192, and flow out from the two smoke channels.
- Such configuration is beneficial to avoid blocking the first air channel 191 and the second air channel 192 due to a tightly fitted installation, thereby ensuring that the aerosol generated by the first atomizing surface is transported through the first air channel 191, and the aerosol generated by the second atomizing surface is transported through the second air channel 192.
- the first air channel 191 and the second air channel 192 are in communication with two sides of the atomizing core assembly 110, respectively.
- a side of the atomizing core assembly 110 is provided with an air inlet end
- the first air channel 191 and the second air channel 192 are in communication with the air inlet end, respectively.
- Another side of the atomizing core assembly 110 is provided with an air outlet end
- the first air channel 191 and the second air channel 192 are in communication with the air outlet end, respectively.
- the flowing area 113 is provided on the air outlet end
- the avoiding groove 114 is provided on the air inlet end.
- the configuration of the air inlet end and the air outlet end that is, the configuration of the flowing area 113 and the avoiding groove 114, enables external air to enter the atomizing area formed by the inner wall 115 and the outer wall 116 due to the action of the heating element 120, so as to form an outer-inner-outer gas circulation channel, so that the aerosol generated by the heating element 120 heating the atomizing medium can be mixed with the external air and then flows out.
- the atomizing core assembly 110 is provided with a limiting step 118 above the atomization portion 111 on the guiding portion 112.. Further, an outline of the limiting step 118 is smaller than an outline of the guide part 112, so as to form a mounting position. Further, in one of the embodiments, in the direction of gravity, a height of the atomizing portion 111 is less than a height of the guiding portion 112. Further, in one of the embodiments, as shown in FIG. 5 and FIG. 8 , in the direction of gravity, the guiding portion 112 is coplanar with the atomizing portion 111. Such configuration facilitates the combined use of gravity and capillary action to transport the atomizing medium from the inside of the atomizing core assembly 110.
- the height of the atomizing portion 111 is greater than the height of the guiding portion 112 but less than the height of the limiting step 118.
- the configuration of the limiting step is beneficial to the sealing connection of a ventilation tube and prevent the atomizing medium from entering the first air channel 191 and the second air channel 192, and on the other hand, it is beneficial to ensure that ensure that the aerosol in the first channel 191 and the second channel 192 enters the ventilation tube, so as to avoid being sealed and abutted to cause communication failure.
- the atomizing portion 111 has a central axis, and the at least two first air channels 191 are evenly distributed relative to the central axis.
- the atomizing core assembly 110 is an axisymmetric structure, the atomizing portion 111 has a central axis, two first air channels 191 are provided, each of the first air channels 191 is uniformly arranged relative to the central axis.
- the second air channel 192 is cylindrical. In this embodiment, as shown in FIG. 8 , the entire outer wall portion 112B is configured as the liquid-absorbing surface 119.
- the outer wall 116 is in surface contact with the outer wall portion 112B, and the outer wall 116 and the outer wall portion 112B are tangent.
- the outer wall 116 is in surface contact with the inner wall portion 112A, and the outer wall 116 and the inner wall portion 112A are tangent.
- the outer wall 116 and the inner wall portion 112A are arranged in contact with each other through the protruding structure.
- a shortest distance from the inner wall 115 to the outer wall portion 112B is less than or equal to the sum of a distance from inner wall 115 to outer wall 116 and a distance from inner wall portion 112A to outer wall portion 112B.
- the thickness of the atomizing portion 111 is constant, the distance from the inner wall 115 to the outer wall 116 is equal to the thickness of the atomizing portion 111, which can be defined a first thickness.
- the distance from the inner wall portion 112A to the outer wall portion 112B is equal to the thickness of the guiding portion 112, which can be defined the second thickness.
- the shortest distance from the inner wall 115 to the outer wall portion 112B is less than or equal to the sum of the first thickness and the second thickness.
- the shortest distance from the inner wall 115 to the outer wall portion 112B is equal to the sum of the first thickness and the second thicknesses.
- the outer wall 116 is in surface contact with the outer wall portion 112B, and the contact surface is tangent and the outer wall 116 and the outer wall portion 112B are tangent, as shown in FIG. 6 and FIG.
- the shortest distance from the inner wall 115 to the outer wall portion 112B is equal to the first thickness and also equal to the second thickness.
- the first thickness is equal to the second thickness. That is, the shortest distance from the inner wall 115 to the outer wall portion 112B is less than the sum of the first thickness and the second thickness.
- Other embodiments are similar to the above description, and will not be repeated.
- Such the configuration is beneficial to increase the contact area between the outer wall and the inner wall portion, on the other hand, it is beneficial to improve the transfer efficiency of the atomizing medium from the guiding portion to the atomizing portion, the liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure sufficient liquid supply to obtain a large amount of atomization, which solves the problem of poor atomization effect and insufficient smoke volume of conventional atomization.
- the outer surface of the atomizing portion 111 is tangent to the inner surface of the guiding portion 112 or is located between the inner wall portion 112A and the outer wall portion 112B, and the distance from the heating element 120 to the outer wall portion 112B is greater than the distance from the inner wall portion 112A to the outer wall portion 112B, so as to ensure that the heating element 120 maintains a distance from the atomizing medium in the liquid storing chamber.
- Such configuration enables the heating element 120 to be heated evenly, so as to ensure the uniformity of the heating of the atomizing medium, and ensure the consistency of the atomized aerosol.
- the heating element 120 can indirectly contact the atomizing medium in the liquid storing chamber to effectively isolate the heat transfer, which is beneficial to avoid the deterioration of the atomizing medium in the liquid storing chamber caused by high temperature.
- the surface of the bottom of the atomizing portion 111 and/or the guiding portion 112 is provided with a leak-proof sealing layer.
- the leak-proof sealing layer is a coating or a sheet.
- the bottom of the atomizing portion 111 and/or the guiding portion 112 is covered with a non-oleophobic medium, which may include coatings, seals and other non-oleophobic materials to prevent the atomizing medium stored in the atomizing portion 111 and/or the guiding portion 112 from leaking out of the atomizing core assembly 110.
- the leak-proof sealing layer is located on the position of the guiding portion 112 except the liquid-absorbing surface 119 and the position contacting the atomizing portion 111, so as to prevent the atomizing medium from leaking.
- an atomizer including a liquid storing structure 200 and the atomizing structure 100 according to any one of the above-mentioned embodiments.
- the atomizer includes the liquid storing structure 200 and the atomizing structure 100 located in the liquid storing structure 200.
- the liquid storing structure 200 is provided with a liquid storing cavity 260 configured to accommodate the atomizing medium, and the guiding portion 112 or the liquid-absorbing surface 119 is configured to contact the atomizing medium.
- the aerosol generated by the heating element 120 passes through the first air channel 191 and the second air channel 192, and flows out through the liquid storing structure 200.
- the atomizer further includes a nozzle structure 300.
- the atomizer includes the liquid storing structure 200, the nozzle structure 300, and the atomizing structure 100 in any one of the above-mentioned embodiments.
- the liquid storing structure 200 is provided with a liquid storing cavity 260 configured to accommodate the atomizing medium, and the liquid-absorbing surface 119 is configured to contact the atomizing medium.
- the aerosol generated by the heating element 120 passes through the first air channel 191 and the second air channel 192 to be in fluid communication with the suction nozzle structure 300. That is, the nozzle structure 300 is in fluid communication with the aerosol generated by the atomizing structure 100.
- the liquid storing cavity 260 is configured to store atomizing medium, such as e-liquid, essence, spices, etc.
- the atomizing structure 100 is provided with a ventilation tube 150 configured to transport the aerosol for inhalation.
- the ventilation tube 150 is provided with a main air channel 193.
- the nozzle structure 300 is sleeved on the liquid storing structure 200, the liquid storing structure 200 is located on the atomizing structure 100, the atomizing structure 100 is partially located in the liquid storing structure 200.
- the nozzle structure 300 is provided with a flowing opening 301, the nozzle structure 300 is in fluid communication with the air channel 190, the first air channel 191, and the second air channel 192 through the flowing opening 301. In another embodiment, the nozzle structure 300 is in fluid communication with the main air channel 193 through the flowing opening 301.
- the liquid storing structure 200 includes an upper sealing element 210, a lower sealing element 220, and a housing 240. Further referring to FIG. 16 , the housing is provided with a mounting cavity 241. The upper sealing element 210 covers on the housing 240 and is partially mounted in the mounting cavity 241. The lower sealing element 220 is mounted in the mounting cavity 241. The atomizing structure 100 is further provided with a middle sealing element 130.
- One end of the ventilation tube 150 tightly abuts against the upper sealing element 210, the other end of the ventilation tube 150 tightly abuts against the middle sealing element 130, and the ventilation tube 150 tightly abuts the middle sealing element 130, the atomizing core assembly 110, the lower sealing element 220 and the housing 240 sequentially through the middle sealing element 130.
- the ventilation tube 150 is at least partially located in the housing 240, and the liquid storing cavity 260 is formed in the mounting cavity 241 and located between in the housing 240 and the ventilation tube 150, the upper sealing element 210 is provided with a first communicating opening 211, the main air channel 193 of the ventilation tube 150 is in fluid communication with the first air channel 191 and the second air channel 192 to transport the aerosol, and the aerosol in the main air channel 193 flows out through the first communicating opening 211.
- the ventilation tube 150 is respectively in fluid communication with the first air channel 191, the second air channel 192, and the nozzle structure 300 to transport the aerosol. That is, the main air channel 193 is in fluid communication with the first air channel 191, the second air channel 192 and the nozzle structure 300 to transport the aerosol, and the aerosol flows out through the first communicating opening 211 and the nozzle structure 300.
- the atomizer further includes the middle sealing element 130.
- the middle sealing element 130 is provided with a lower end cavity configured to accommodate the atomizing core assembly 110 or the atomizing portion 111, such as, the flowing area 113.
- the middle sealing element 130 is provided with a lower end cavity configured to accommodate the limiting step 118, so as to facilitate assembly and sealing, and prevent the atomizing medium from entering into the first air channel 191 and the second air channel 192.
- the atomizer or the atomizing structure 100 further includes the ventilation tube 150, the ventilation tube 150 is inserted into an upper cavity provided on the middle sealing element 210, the upper cavity is in fluid communication with the lower end cavity, so that the aerosol can flow out through the ventilation tube 150 or the air channel 190.
- the atomizer further includes the lower sealing element 220 configured to fix the atomizing core assembly 110 and cooperates with the middle sealing element 210 to seal the liquid storing cavity 260. Referring to FIG. 16 , the lower sealing element 220 is further provided with an air inlet channel 221 in communication with an air inlet 243.
- the middle sealing element 210 is provided with the flowing area 113 or the lower sealing element 220 is provided with the avoiding groove 114, so as to ensure that the air can pass through two smoke channels at the same time and flow out from the two smoke channels, which can also achieve the effect of gas circulation.
- the atomizing structure 100 further includes a mounting element 160 and a sealing sleeve 170.
- the guiding portion 112 is provided with a wire.
- the mounting element 160 is sleeved on the wire and located in the lower sealing element 220, the sealing sleeve 170 is sleeved on the lower sealing element 220.
- the lower sealing element 220 is provided with a mounting groove 222, the sealing sleeve 170 is sleeved in the mounting groove 222.
- the mounting element 160, the lower sealing element 220 and the sealing sleeve 170 cooperate to enable the lower sealing element 220 to tightly abut against the housing 240 to seal the liquid storing cavity 260, so that the atomizing medium in the liquid storing cavity 260 only contacts the liquid-absorbing surface 119 of the guiding portion 112.
- the lower sealing element 220 is sleeved on the mounting element 160
- the sealing sleeve 170 is sleeved in the lower sealing element 220.
- the communication of the channels is shown in FIG. 15
- the air channel 190 includes the first channel 191, the second channel 192 and the main channel 193. Both the first channel 191 and the second channel 192 are in fluid communication with the main air channel 193 for the aerosol to flow out. Further, a gap is provided between the ventilation tube 150 and the atomizing portion 111 through the top portion 117 and the limiting step 118, so that the second air channel 192 is in fluid communication with the main air channel 193 through the gap.
- a diameter of the ventilation tube 150 and a diameter of atomizing portion 111 can be the same or different, and the ventilation tube 150 and the atomizing portion 111 are not in contact, so that a space communicating with the second air channel 192 is formed between the ventilation tube 150 and the atomizing portion 111.
- the space can be used as a part of the main channel 193, that is, the main channel 193 is in communication with the second air channel 192.
- two atomizing surfaces, the first air channel 191, and the second air channel 192 are formed on the inner wall and the outer wall of the atomizing portion 111, so that a large amount of atomized aerosol can be obtained.
- one end of the ventilation tube 150 abuts against the limiting step 118 through the middle sealing element 130 and an upper end of the guiding portion 112.
- the limiting step 118 cooperates with the ventilation tube 150 to retain the fluid communication between the first air channel 191 and the second air channel 192.
- the above-mentioned structure effectively prevents the atomizing medium in the liquid storing cavity 260 from entering the atomizing portion 111 from a position other than the liquid-absorbing surface 119 through the middle sealing element 130 and its connection relationship, and also prevents the atomizing medium from being mixed into the ventilation tube 150 and the main air channel 193.
- the ventilation tube 150 passes through the middle sealing element 130 to enable the main air passage 193 to be in communication with the first air passage 191 and the second air passage 192.
- the bottom of the atomizing core assembly 110 abuts against the mounting element 160 and the lower sealing element 220, and abuts against the sealing sleeve 170 and the housing 240 through the lower sealing element 220.
- the outer wall of the guiding portion 112 abuts against the lower sealing element 220, and abuts against the housing 240 through the lower sealing element 220, so that the housing 240 tightly abuts against the lower sealing element 220 and the atomizing core assembly 110, and the wire of the guiding portion 112 is sealed and isolated from the liquid storing cavity 260, so that the end of the liquid storing cavity 260 is effectively sealed.
- the main air channel 193 is in fluid communication with the first air channel 191, and the main air channel 193 is in fluid communication with the second air channel 192.
- the sealing of the liquid storing cavity 260 is important. Since the ventilation tube 150 extends through the liquid storing cavity 260, it is necessary to seal the two ends of the housing 240 and the liquid storage chamber 260. In this embodiment, on the one hand, the middle sealing element 130, the ventilation tube 150 and the atomizing core assembly 110 fit tightly to prevent the atomizing medium in the liquid storing cavity 260 from leaking into the first air channel 191 and the second air channel 192 though the gap between the ventilation tube 150 and the middle sealing element 130. On the other hand, the lower sealing element 220 cooperates with the sealing sleeve 170 and the mounting element 160 to apply pressure to an end of the housing 240, so that it is tightly sleeved on the atomizing core assembly 110.
- a sealing system is formed as a whole, so as to prevent the atomizing medium in the liquid storing cavity 260 from leaking out of the atomizer or into a position of the wire of the guiding portion 112 through the gap between the mounting element 160, the sealing sleeve 170 and the housing 240.
- Such configuration achieves an effective seal for the housing 240 and one end of the liquid storing cavity 260.
- the housing 240 is provided with the mounting cavity 241, the ventilation tube 150 is at least partially accommodated in the mounting cavity 241, the liquid storing cavity 260 is formed in the mounting cavity 241. That is, the liquid storing cavity 260 is a part of the mounting cavity 241.
- the liquid storing structure 200 is further provided with a sealing pad 230 located on the upper sealing element 210.
- the sealing pad 230 is provided with a second communicating opening 231 corresponding to the first communicating opening 211.
- the main air channel 193 is sequentially in communication with the first communication portion 211 and the second communication portion 231 to transport the aerosol, or the main air channel 193 is sequentially in communication with the first communicating opening 211, the second communicating opening 231 and the nozzle structure 300 to transport the aerosol.
- the upper sealing element 210 is further provided with at least one first liquid injecting hole 212 in communication with the liquid storing cavity 260.
- the first liquid injecting hole 212 is configured to inject the atomizing medium to the liquid storing cavity 260.
- the upper sealing element 210 is further provided with at least one first liquid injecting hole 212
- the sealing pad 230 is provided with at least one second liquid injecting hole 232 corresponding to the first liquid injecting holes 212.
- the second liquid injecting hole 232 is in communication with the liquid storing cavity 260 through the first liquid injecting hole 212.
- the nozzle structure 300 blocks each of the first liquid injecting holes 212 and/or each of the second liquid injecting holes 232, and only sequentially communicates with the second communicating openings 231, the first communicating opening 211 and the main air channel 193 through the flowing opening 301.
- the housing 240 is provided with at least two electrode mounting seats 242, each of the electrode mounting seats 242 is provided with an electrode element 140.
- the wire is electrically connected to the electrode element 140 in the electrode mounting seat 242.
- the housing 240 is provided with at least one air inlet 243, the air inlet 243 is in fluid communication with the first air channel 191 and the second air channel 192, respectively.
- the atomizer is further provided with the air inlet 243 and a flowing opening 301, the air inlet 243 is in fluid communication with both the first air channel 191 and the second air channel 192.
- the number of air inlets 243 is not limited, for example, the atomizer may include two air inlets 243, the two air inlets 243 are in communication with the first air channel 191 and the second air channel 192, respectively.
- the flowing opening 301 is in fluid communication with the air channel 190 or the main air channel 193, for example, the flowing opening 301 is in fluid communication with the main air channel 193 in the ventilation tube 150, so that the aerosol flows out from the flowing opening 301 301 through the ventilation tube 150.
- an aerosol generating device including a power supply structure 400 and the atomizer described in any one of the above-mentioned embodiments.
- the power supply structure 400 is electrically connected to the atomizer for supplying power to the atomizer.
- the atomizer includes the atomizing structure 100, the liquid storing structure 200 and the nozzle structure 300.
- the atomizing structure 100 and the liquid storing structure 200 are shielded by the nozzle structure 300 and the power supply structure 400.
- the power supply structure 400 includes a casing 410, a bracket 420, a battery 430, a circuit board 440, a control element 450, a connecting end 460 and a bottom case 470.
- the casing 410 is sleeved on a part of the housing 240
- the nozzle structure 300 is sleeved on a part of the housing 240
- the upper sealing element 210 and the upper sealing element 210.
- the nozzle structure 300 blocks the first liquid injecting hole 212 and the second liquid injecting hole 232.
- the bracket 420 is fixed in the casing 410
- the battery 430 is mounted to the bracket 420 and electrically connected to the electrode element 140.
- An airflow gap in fluid communication with the air inlet 243 is formed between the bracket 420, the battery 430, and the casing 410 to ensure smooth airflow, so that the aerosol flows to the flowing opening 301 according to the airflow direction P.
- the circuit board 440 is fixed to the bracket 420 and electrically connected to the battery 430.
- the control element 450 is fixed to the circuit board 440 and electrically connected to the battery 430 through the circuit board 440.
- the connecting end 460 is fixed to the circuit board 440 and is electrically connected to the battery 430 through the circuit board 440, the connecting end 460 extends through the bottom case 470 and is exposed to the outside, so as to access an external connection terminal such as a charging terminal.
- the bottom case 470 is plugged and fixed to the casing 410, a part of the bracket 420 is located in the bottom case 470, and the rest of the bracket 420 is located in the casing 410.
- the control element 450 includes a button 451, a button base 452 and a connector 453.
- the button 451 is mounted to the button base 452 and exposed outside the bottom case 470, the button base 452 is fixed to the circuit board 440.
- the connector 453 is electrically connected to the battery 430 through the circuit board 440, and the button base 452 surrounds and fixes the connector 453, the button 451 is located on the connector 453 to turn on or off the connector 453.
- embodiments of the present application also include an atomizing structure, an atomizer, and an aerosol generating device formed by combining the technical features of the above embodiments.
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Abstract
An atomizing structure (100), an atomizer, and an aerosol generating device are provided. The atomizing structure (100) includes a heating element (120) and an atomizing core assembly (110) including an atomizing portion (111) and a guiding portion (112). The heating element (120) is at least partially embedded in the atomizing portion (111), the atomizing portion (111) is fixed in the guiding portion (112), the atomizing portion (111) has an outer wall (116), the guiding portion (112) has an inner wall portion (112A), and the outer wall (116) is in partial contacted with the inner wall portion (112A), the guiding portion (112) is in contact with an atomizing medium, and is configured to transport the atomizing medium to the atomizing portion (111) through the inner wall portion (112A) and the outer wall (116) in sequence, the outer wall (116) forms a first atomizing surface, and a first air channel (191) for transporting the aerosol generated by the first atomizing surface is provided between the outer wall (116) and the inner wall portion (112A).
Description
- The present disclosure relates to a technical field of atomization, in particular to an atomizing structure, an atomizer, and an aerosol generating device.
- Electronic atomizer mainly includes an atomizer and a power supply. The atomizer generally includes a liquid storing chamber and an atomizing structure. The liquid storing chamber is used to store an atomizing medium, the atomizing structure is configured to heat and atomize the atomizing medium to form an aerosol that can be inhaled by smokers. The power supply is configured to provide energy to the atomizing structure.
- In the conventional technology, a heating element on the atomizing core is mounted on a liquid-guiding surface of a liquid-guiding element by printing, embedding, etc. or directly fixed to the liquid-guiding surface of the liquid-guiding element. With such a heating element fixing method, the heating element is in direct contact with the liquid- guiding surface. When the heating element is working, the heat generated by it will be directly transported to the liquid-guiding surface through an atomizing surface, and heat the atomizing medium in contact with a bottom position, so that it will not only cause excessive heat loss of the heating element, but also repeatedly heat the atomizing medium at the bottom position, which is not conducive to a storage of the atomizing medium.
- Accordingly, an atomizing structure, an atomizer, and an aerosol generating device are provided.
- An atomizing structure includes an atomizing core assembly including an atomizing portion and a guiding portion, wherein the atomizing portion is fixed in the guiding portion, the atomizing portion has an outer wall, the guiding portion has an inner wall portion, and the outer wall is in partial contact with the inner wall portion, the guiding portion is in contact with an atomizing medium, and is configured to transport the atomizing medium to the atomizing portion through the inner wall portion and the outer wall in sequence, the outer wall forms a first atomizing surface configured to generate aerosol, and a first air channel for transporting the aerosol is provided between the outer wall and the inner wall portion; and a heating element at least partially embedded in the atomizing portion.
- According to the above-mentioned atomizing structure, on the one hand, the first atomizing surface and the liquid-absorbing surface are physically isolated, the heating element indirectly contacts the atomizing medium in a liquid storing chamber through the guiding portion, so that there is a long distance between the heating element and the atomizing medium in the liquid storing chamber, so as to effectively isolate a heat transferring, which can avoid the deterioration of the atomizing medium in the liquid storing chamber caused by high temperature, and the entire atomizing structure can have high heating efficiency. On the other hand, the outer wall is in direct contact with the inner wall portion A, the guiding portion obtains the atomizing medium through the liquid-absorbing surface. The liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure sufficient liquid supply and ensure that the atomizing medium is smoothly transported to the heating element to obtain a large amount of atomization, which solves a problem of poor atomization effect and insufficient smoke volume of conventional atomization.
- Further, in one of the embodiments, the guiding portion has an outer wall portion, the outer wall portion is provided with a liquid-absorbing surface.
- In one of the embodiments, the outer wall is in surface contact with the inner wall portion, and the outer wall and the inner wall portion are tangent; or a shortest distance from an inner wall of the atomizing portion to an outer wall portion of the guiding portion is less than or equal to the sum of a distance from the inner wall to the outer wall and a distance from inner wall portion to the outer wall portion.
- In one of the embodiments, at least two first air channels are provided, and the at least two first air passages are evenly distributed.
- In one of the embodiments, the atomizing portion has a central axis, and the at least two first air channels are evenly distributed relative to the central axis.
- In one of the embodiments, the atomizing portion has an inner wall, the inner wall forms a second atomizing surface and a second air channel configured to transport the aerosol generated on the second atomizing surface.
- In one of the embodiments, a bottom of the atomizing portion is provided with an avoiding groove, the first air channel is in fluid communication with the second air channel through the avoiding groove; and/or, a top portion of the atomizing portion is provided with a flowing area, the first air channel is in fluid communication with the second air channel through the flowing area.
- In one of the embodiments, the atomizing core assembly is provided with a limiting step above the atomization portion on the guiding portion.
- An atomizer includes a liquid storing structure and the above-mentioned atomizing structure, the liquid storing structure is provided with a liquid storing cavity configured to accommodate the atomizing medium, and the guiding portion is in contact with the atomizing medium; the aerosol generated by the heating element passes through the first air channel and the second air channel, and flows out through the liquid storing structure.
- In one of the embodiments, the liquid storing structure includes an upper sealing element, a lower sealing element, and a housing, the housing is provided with a mounting cavity, and the upper sealing element covers the housing and is partially mounted in the mounting cavity, the lower sealing element is mounted in the mounting cavity; the atomizing structure is provided with a middle sealing element and a ventilation tube, one end of the ventilation tube tightly abuts against the upper sealing element, the other end of the ventilation tube tightly abuts against the middle sealing element, and the ventilation tube abuts against the middle sealing element, the atomizing core assembly, the lower sealing element and the housing sequentially through the middle sealing element.
- In one of the embodiments, the ventilation tube is provided with a main air channel, the upper sealing element is provided with a first communicating opening, the ventilation tube is at least partially located in the housing, the liquid storing cavity is formed in the mounting cavity and located between in the housing and the ventilation tube, the main air channel is in fluid communication with the first air channel and the second air channel to transport the aerosol, and the aerosol in the main air channel flows out through the first communicating opening.
- In one of the embodiments, the atomizing structure further includes a mounting element and a sealing sleeve, the guiding portion is provided with a wire, the lower sealing element is provided with a mounting groove, the mounting element is sleeved on the wire and located in the lower sealing element, the sealing sleeve is sleeved on the lower sealing portion or sleeved in the mounting groove, the mounting element, the lower sealing element, and the sealing sleeve cooperate to enable the lower sealing element to tightly abut against the housing to seal the liquid storing cavity, so that the atomizing medium in the liquid storing cavity only contacts the liquid-absorbing surface of the guiding portion.
- In one of the embodiments, the housing is provided with at least two electrode mounting seats, each of the electrode mounting seat is provided with an electrode element, the wire is electrically connected to the electrode element in the electrode mounting seat; the housing is provided with an air inlet, the air inlet is in fluid communication with the first air channel and the second air channel, respectively.
- An aerosol generating device includes a power supply and the above-mentioned atomizer, the power supply is electrically connected to the atomizer for supplying power to the atomizer.
- In one of the embodiments, the atomizer further comprising a nozzle structure, the power supply structure includes a casing, a bracket, a battery, a circuit board, a control element, a connecting end, and a bottom case, the casing is sleeve on a part of the housing, the nozzle structure is sleeve on a part of the housing, the upper sealing element, and the upper sealing element, the nozzle structure blocks the first liquid injecting hole and the second liquid injecting hole, the bracket is fixed in the casing, the battery is mounted to the bracket and is electrically connected to the electrode element, an airflow gap in fluid communication with the air inlet is formed between the bracket, the battery and the casing.
- In one of the embodiments, the control element includes a button, a button base and a connector, the button is mounted to the button base and exposed outside the bottom case, the button base is fixed to the circuit board, the connector is electrically connected to the battery through the circuit board, and the button base surrounds and fixes the connector, the button is located on the connector to turn on or off the connector.
- To illustrate the technical solutions according to the embodiments of the present invention or in the prior art more clearly, the accompanying drawings for describing the embodiments or the prior art are introduced briefly in the following. Apparently, the accompanying drawings in the following description are only some embodiments of the present invention, and persons of ordinary skill in the art can derive other drawings from the accompanying drawings without creative efforts.
-
FIG. 1 is a front view of an atomizing structure according to an embodiment of the present disclosure. -
FIG. 2 is a cross-sectional view of the atomizing structure ofFIG. 1 . -
FIG. 3 is a perspective view of the atomizing structure ofFIG. 1 . -
FIG. 4 is similar toFIG. 3 , but viewed from another aspect. -
FIG. 5 is a perspective view of an atomizing core assembly according to an embodiment of the present disclosure. -
FIG. 6 is a top view ofFIG. 5 . -
FIG. 7 is similar toFIG. 5 , but viewed from another aspect. -
FIG. 8 is a cross-sectional view of the atomizing core assembly ofFIG. 5 . -
FIG. 9 is a schematic view of an atomizing core assembly according to another embodiment of the present disclosure. -
FIG. 10 is a schematic view of an atomizing core assembly according to another embodiment of the present disclosure. -
FIG. 11 is a perspective of an atomizer according to an embodiment of the present disclosure. -
FIG. 12 is similar toFIG. 11 , but viewed from another aspect. -
FIG. 13 is a front view ofFIG. 11 . -
FIG. 14 is a cross-sectional view taken along the line A-A ofFIG. 13 . -
FIG. 15 is a cross-sectional view of the atomizer inFIG. 13 in another direction. -
FIG. 16 is an exploded view of the atomizer ofFIG. 13 . -
FIG. 17 is similar toFIG. 16 , but viewed from another aspect. -
FIG. 18 is similar toFIG. 16 , but viewed from another aspect. -
Fig. 19 is a perspective view of an aerosol generating device according to an embodiment of the present disclosure. -
FIG. 20 is a cross-sectional view of the aerosol generating device ofFIG. 19 . -
FIG. 21 is a cross-sectional view of the aerosol generating device ofFIG. 19 in another direction. -
FIG. 22 is an exploded view of the aerosol generating device ofFIG. 19 . -
FIG. 23 is similar toFIG. 22 , but viewed from another aspect. -
FIG. 24 is similar toFIG. 22 , but viewed from another aspect. - Description of reference numbers:
atomizing structure 100;liquid storing structure 200;nozzle structure 300;power supply structure 400; gravity direction G; airflow direction P; atomizingcore assembly 110;heating element 120;middle sealing element 130;electrode element 140;ventilation tube 150;mounting element 160;sealing sleeve 170;air channel 190; atomizingportion 111; guidingportion 112;flowing area 113; avoidinggroove 114;inner wall 115;outer wall 116;top portion 117; limitingstep 118; liquid-absorbingsurface 119;inner wall portion 112A;outer wall portion 112B;first air channel 191;second air channel 192;main channel 193;upper sealing element 210;lower sealing element 220;sealing pad 230;housing 240;liquid storing cavity 260; first communicatingopening 211; first liquid injectinghole 212;air inlet channel 221;mounting groove 222; second communicatingopening 231; second liquid injectinghole 232;mounting cavity 241;electrode mounting seat 242;air inlet 243; flowingopening 301;casing 410;bracket 420;battery 430;circuit board 440;control element 450; connectingend 460;bottom case 470;button 451;button base 452;connector 453. - In order to make the above objects, features and advantages of the present disclosure more obvious and easier to understand, the specific embodiments of the present disclosure are described in detail below in combination with the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the invention. However, the present disclosure can be implemented in many ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the invention. Therefore, the invention is not limited by the specific embodiments disclosed below.
- It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.
- In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, "multiple" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.
- In the present invention, unless otherwise expressly specified and limited, the first feature "above" or "below" the second feature may be in direct contact with the first and second features, or the first and second features may be in indirect contact through an intermediate medium. Moreover, the first feature is "above" the second feature, but the first feature is directly above or diagonally above the second feature, or it only means that the horizontal height of the first feature is higher than the second feature. The first feature is "below" of the second feature, which can mean that the first feature is directly below or obliquely below the second feature, or simply that the horizontal height of the first feature is less than that of the second feature.
- Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terms used herein in the description of the present application are for the purpose of describing specific embodiments only, and are not intended to limit the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
- Referring to
FIG. 1 , according to an embodiment of the present application, anatomizing structure 100 includes anatomizing core assembly 110 and aheating element 120. Referring toFIG. 2 , theatomizing core assembly 110 includes anatomizing portion 111 and a guidingportion 112. Theheating element 120 is at least partially embedded in theatomizing portion 111, the atomizingportion 111 is fixed in the guidingportion 112. The atomizingportion 111 has anouter wall 116, the guidingportion 112 has aninner wall portion 112A. Referring toFIG. 2 to FIG. 4 , theouter wall 116 is in partial contact with theinner wall portion 112A. The guidingportion 112 is in contact with an atomizing medium, the atomizing medium is transported to theatomizing portion 111 through theinner wall portion 112A and theouter wall 116 in sequence. Theouter wall 116 forms a first atomizing surface configured to generate aerosol, and afirst air channel 191 is provided between theouter wall 116 and theinner wall portion 112A to transport the aerosol generated by the first atomizing surface. - According to the above-mentioned
atomizing structure 100, on the one hand, the first atomizing surface and the liquid-absorbingsurface 119 are physically isolated, theheating element 120 indirectly contacts the atomizing medium in a liquid storing chamber through the guidingportion 112, so that there is a long distance between theheating element 120 and the atomizing medium in the liquid storing chamber, so as to effectively isolate a heat transferring, which can avoid the deterioration of the atomizing medium in the liquid storing chamber caused by high temperature, and the entire atomizing structure can have high heating efficiency. On the other hand, theouter wall 116 is in direct contact with theinner wall portion 112A, the guidingportion 112 obtains the atomizing medium through the liquid-absorbingsurface 119. The liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure sufficient liquid supply and ensure that the atomizing medium is smoothly transported to theheating element 120 to obtain a large amount of atomization, which solves a problem of poor atomization effect and insufficient smoke volume of conventional atomization. - In one of the embodiments, the guiding
portion 112 is provided with a liquid-absorbingsurface 119 in contact with the atomizing medium, the liquid-absorbingsurface 119 is configured to absorb the atomizing medium into an inside of the guidingportion 112, and the atomizing medium is transported to an inside of theatomizing portion 111 through theinner wall portion 112A and theouter wall 116 in sequence. Further, in one of the embodiments, the guidingportion 112 has anouter wall portion 112B, theouter wall portion 112B is provided with the liquid-absorbingsurface 119. Theouter wall portion 112B is in contact with the atomizing medium, and the atomizing medium is transported to the inside of theatomizing portion 111 through theouter wall portion 112B, theinner wall portion 112A, and theouter wall 116 in sequence. - In one of the embodiments, as shown in
FIG. 2 , the atomizingportion 111 further has aninner wall 115, theheating element 120 is integrally formed with theatomizing portion 111 and is located between theouter wall 116 and theinner wall 115. Further, theinner wall 115 forms a second atomizing surface configured to generate aerosol and asecond air channel 192 configured to transport the aerosol generated by the second atomizing surface. In one of the embodiments, theheating element 120 may be a spiral heating wire, a mesh heating wire, and a sheet heating wire. Alternatively, theheating element 120 is provided with a wire extending outside the atomizingportion 111. - In one of the embodiments, the
heating element 120 is embedded in theatomizing portion 111. The guidingportion 112 has a cylindrical structure including theinner wall portion 112A and anouter wall portion 112B. Theinner wall portion 112A is connected to theatomizing portion 111, theouter wall portion 112B is at least partially in contact with the atomizing medium, so that the atomizing medium is transported from the inside of the guidingportion 112 to theatomizing portion 111, and atomized by theheating element 120 to generate the aerosol. - Further, in one of the embodiments, at least 80% of the
outer wall portion 112B, which is the outer surface of theguide portion 112, is configured as the liquid-absorbingsurface 119. Further, in one of the embodiments, as shown inFIG. 4 orFIG. 5 , the entire outer surface of the guidingportion 112 is configured as the liquid-absorbingsurface 119 or the entire surface of the guidingportion 112 away from theouter wall 116 is configured as the liquid-absorbingsurface 119. In one of the embodiments, the guidingportion 112 has a regular circular tubular structure. In one of the embodiments, the entire outer surface of the guidingportion 112 away from the atomizingportion 111 is configured as the liquid-absorbingsurface 119. In one of the embodiments, the atomizingportion 111 and the guidingportion 112 are both made of microporous materials with a certain porosity. That is, the inside of theatomizing core assembly 110 has a porous structure, in other words, both theatomizing portion 111 and the guidingportion 112 have a porous structure. The porous structure means a hollow porous body, which exhibits a porous shape at the microscopic level, so as to transport the atomizing medium inside theatomizing core assembly 110 and theatomizing portion 111. Due to the characteristics of the porous structure, the atomizing medium is transported through gravity and capillary action, so that theheating element 120 can heat the atomizing medium in theatomizing portion 111 to generate the aerosol, which can flow out of theatomizing portion 111 through thefirst air channel 191 and thesecond air channel 192. Further, a pore diameter of the porous structure is arranged of 100 nanometers to 120 nanometers. In one of the embodiments, the pore diameter of the porous structure is in a range of 1 micrometer to 100 micrometers. In another embodiment, the pore diameter of the porous structure is in a range of 10 microns to 50 microns. The material of the porous structure is ceramic or glass. In one of the embodiments, an internal porosity of the porous structure is arranged of 30% to 90%. In another embodiment, the internal porosity of the porous structure is arranged of 50% to 65%. Such configurations are beneficial to transport the atomizing medium through the inside of theatomizing portion 111. - Further, in one of the embodiments, the porosity of the guiding
portion 112 is greater than the porosity of theatomizing portion 111, so that the total amount of the atomizing medium in the guidingportion 112 is supplied sufficiently, and the relatively small porosity of theatomizing portion 111 can prevent leakage of theatomizing portion 111, which is beneficial to guide the atomizing medium into theatomizing portion 111. Further, in one of the embodiments, the inside of the guidingportion 112 is provided with different pores to form a guiding channel, the liquid-absorbingsurface 119 transports the atomizing medium to theatomizing portion 111 through the guiding channel, so as to accurately and uniformly transport the atomizing medium to theatomizing portion 111 and theheating element 120, thereby obtaining the uniform aerosol. Such the configuration connects theatomizing portion 111 to the guidingportion 112, and the atomizing medium is transported through a liquid guiding portion, that is, the entire tubular outer wall of the guidingportion 112, a liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure the sufficient supply of atomizing medium to theheating element 120, and theatomizing portion 111 includes a plurality of atomizing areas inside and outside thereof, the amount of atomization is large. - In one of the embodiments, as shown in
FIG. 2 andFIG. 4 , a bottom of theatomizing portion 111 is provided with an avoidinggroove 114, thefirst air channel 191 is in fluid communication with thesecond air channel 192 through the avoidinggroove 114. Further, in one of the embodiments, as shown inFIG. 2 , the atomizingportion 111 has atop portion 117, thetop portion 117 is configured to cooperate with other components to retain the fluid communication between thefirst air channel 191 and thesecond air channel 192. In one of the embodiments, as shown inFIG. 2 andFIG. 3 , thetop portion 117 is provided with a flowingarea 113, thefirst air channel 191 is in fluid communication with thesecond air channel 192 through the flowingarea 113. That is, an upper end surface of theatomizing portion 111 is lower than an upper end surface of the guidingportion 112, or a lower end surface of theatomizing portion 111 is higher than a lower end surface of the guidingportion 112, so as to ensure that the air can pass through two smoke channels at the same time, that is, thefirst air channel 191 and thesecond air channel 192, and flow out from the two smoke channels. Such configuration is beneficial to avoid blocking thefirst air channel 191 and thesecond air channel 192 due to a tightly fitted installation, thereby ensuring that the aerosol generated by the first atomizing surface is transported through thefirst air channel 191, and the aerosol generated by the second atomizing surface is transported through thesecond air channel 192. - Further, in one of the embodiments, the
first air channel 191 and thesecond air channel 192 are in communication with two sides of theatomizing core assembly 110, respectively. In this embodiment, a side of theatomizing core assembly 110 is provided with an air inlet end, thefirst air channel 191 and thesecond air channel 192 are in communication with the air inlet end, respectively. Another side of theatomizing core assembly 110 is provided with an air outlet end, and thefirst air channel 191 and thesecond air channel 192 are in communication with the air outlet end, respectively. Further, in one of the embodiments, the flowingarea 113 is provided on the air outlet end, and the avoidinggroove 114 is provided on the air inlet end. The configuration of the air inlet end and the air outlet end, that is, the configuration of the flowingarea 113 and the avoidinggroove 114, enables external air to enter the atomizing area formed by theinner wall 115 and theouter wall 116 due to the action of theheating element 120, so as to form an outer-inner-outer gas circulation channel, so that the aerosol generated by theheating element 120 heating the atomizing medium can be mixed with the external air and then flows out. - In one embodiment, as shown in
FIG. 2 andFIG. 3 , theatomizing core assembly 110 is provided with a limitingstep 118 above theatomization portion 111 on the guidingportion 112.. Further, an outline of the limitingstep 118 is smaller than an outline of theguide part 112, so as to form a mounting position. Further, in one of the embodiments, in the direction of gravity, a height of theatomizing portion 111 is less than a height of the guidingportion 112. Further, in one of the embodiments, as shown inFIG. 5 andFIG. 8 , in the direction of gravity, the guidingportion 112 is coplanar with theatomizing portion 111. Such configuration facilitates the combined use of gravity and capillary action to transport the atomizing medium from the inside of theatomizing core assembly 110. - In one embodiment, as shown in
FIG. 2 , in the direction of gravity, the height of theatomizing portion 111 is greater than the height of the guidingportion 112 but less than the height of the limitingstep 118. The configuration of the limiting step, on the one hand, is beneficial to the sealing connection of a ventilation tube and prevent the atomizing medium from entering thefirst air channel 191 and thesecond air channel 192, and on the other hand, it is beneficial to ensure that ensure that the aerosol in thefirst channel 191 and thesecond channel 192 enters the ventilation tube, so as to avoid being sealed and abutted to cause communication failure. - In one embodiment, at least two
first air channels 191 are provided, and the at least twofirst air channels 191 are evenly distributed. In one of the embodiments, the atomizingportion 111 has a central axis, and the at least twofirst air channels 191 are evenly distributed relative to the central axis. Further, in one of the embodiments, as shown inFIG. 5 , theatomizing core assembly 110 is an axisymmetric structure, the atomizingportion 111 has a central axis, twofirst air channels 191 are provided, each of thefirst air channels 191 is uniformly arranged relative to the central axis. In one of the embodiments, referring toFIG. 6 and FIG. 7 , thesecond air channel 192 is cylindrical. In this embodiment, as shown inFIG. 8 , the entireouter wall portion 112B is configured as the liquid-absorbingsurface 119. - In one of embodiments, referring to
FIG. 4 to FIG. 6 , theouter wall 116 is in surface contact with theouter wall portion 112B, and theouter wall 116 and theouter wall portion 112B are tangent. Optionally, referring toFIG. 9 or FIG. 10 , theouter wall 116 is in surface contact with theinner wall portion 112A, and theouter wall 116 and theinner wall portion 112A are tangent. Further, in one of the embodiments, as shown inFIG. 3 andFIG. 4 , theouter wall 116 and theinner wall portion 112A are arranged in contact with each other through the protruding structure. - In one of the embodiments, as shown in
FIG. 5 andFIG. 6 , a shortest distance from theinner wall 115 to theouter wall portion 112B is less than or equal to the sum of a distance frominner wall 115 toouter wall 116 and a distance frominner wall portion 112A toouter wall portion 112B. When the thickness of theatomizing portion 111 is constant, the distance from theinner wall 115 to theouter wall 116 is equal to the thickness of theatomizing portion 111, which can be defined a first thickness. When the thickness of each portion of the guidingportion 112 is the same, the distance from theinner wall portion 112A to theouter wall portion 112B is equal to the thickness of the guidingportion 112, which can be defined the second thickness. The shortest distance from theinner wall 115 to theouter wall portion 112B is less than or equal to the sum of the first thickness and the second thickness. For the embodiment in which theouter wall 116 is in surface contact with theinner wall portion 112A and the contact surface is tangent, as shown inFIG. 10 , the shortest distance from theinner wall 115 to theouter wall portion 112B is equal to the sum of the first thickness and the second thicknesses. For the embodiment where theouter wall 116 is in surface contact with theouter wall portion 112B, and the contact surface is tangent and theouter wall 116 and theouter wall portion 112B are tangent, as shown inFIG. 6 and FIG. 7 , the shortest distance from theinner wall 115 to theouter wall portion 112B is equal to the first thickness and also equal to the second thickness. In this embodiment, the first thickness is equal to the second thickness. That is, the shortest distance from theinner wall 115 to theouter wall portion 112B is less than the sum of the first thickness and the second thickness. Other embodiments are similar to the above description, and will not be repeated. Such the configuration, on the one hand, is beneficial to increase the contact area between the outer wall and the inner wall portion, on the other hand, it is beneficial to improve the transfer efficiency of the atomizing medium from the guiding portion to the atomizing portion, the liquid guiding area is great and the liquid guiding is performed in all directions, which can effectively ensure sufficient liquid supply to obtain a large amount of atomization, which solves the problem of poor atomization effect and insufficient smoke volume of conventional atomization. - Further, at a connecting position of the
atomizing portion 111 and the guidingportion 112, the outer surface of theatomizing portion 111 is tangent to the inner surface of the guidingportion 112 or is located between theinner wall portion 112A and theouter wall portion 112B, and the distance from theheating element 120 to theouter wall portion 112B is greater than the distance from theinner wall portion 112A to theouter wall portion 112B, so as to ensure that theheating element 120 maintains a distance from the atomizing medium in the liquid storing chamber. Such configuration enables theheating element 120 to be heated evenly, so as to ensure the uniformity of the heating of the atomizing medium, and ensure the consistency of the atomized aerosol. In addition, theheating element 120 can indirectly contact the atomizing medium in the liquid storing chamber to effectively isolate the heat transfer, which is beneficial to avoid the deterioration of the atomizing medium in the liquid storing chamber caused by high temperature. - In order to prevent the atomizing medium from leaking out, in one of embodiments, in the direction of gravity, the surface of the bottom of the
atomizing portion 111 and/or the guidingportion 112 is provided with a leak-proof sealing layer. Further, in one of the embodiments, the leak-proof sealing layer is a coating or a sheet. In one of the embodiments, the bottom of theatomizing portion 111 and/or the guidingportion 112 is covered with a non-oleophobic medium, which may include coatings, seals and other non-oleophobic materials to prevent the atomizing medium stored in theatomizing portion 111 and/or the guidingportion 112 from leaking out of theatomizing core assembly 110. Further, in one of the embodiments, the leak-proof sealing layer is located on the position of the guidingportion 112 except the liquid-absorbingsurface 119 and the position contacting theatomizing portion 111, so as to prevent the atomizing medium from leaking. - In one of the embodiments, an atomizer is provided including a
liquid storing structure 200 and theatomizing structure 100 according to any one of the above-mentioned embodiments. In one of the embodiments, as shown inFIG. 11 andFIG. 12 , the atomizer includes theliquid storing structure 200 and theatomizing structure 100 located in theliquid storing structure 200. Referring toFIG. 13 andFIG. 14 , theliquid storing structure 200 is provided with aliquid storing cavity 260 configured to accommodate the atomizing medium, and the guidingportion 112 or the liquid-absorbingsurface 119 is configured to contact the atomizing medium. The aerosol generated by theheating element 120 passes through thefirst air channel 191 and thesecond air channel 192, and flows out through theliquid storing structure 200. - Further, as shown in
FIG. 19 , the atomizer further includes anozzle structure 300. In one of embodiments, as shown inFIGS. 19 and20 , the atomizer includes theliquid storing structure 200, thenozzle structure 300, and theatomizing structure 100 in any one of the above-mentioned embodiments. Theliquid storing structure 200 is provided with aliquid storing cavity 260 configured to accommodate the atomizing medium, and the liquid-absorbingsurface 119 is configured to contact the atomizing medium. The aerosol generated by theheating element 120 passes through thefirst air channel 191 and thesecond air channel 192 to be in fluid communication with thesuction nozzle structure 300. That is, thenozzle structure 300 is in fluid communication with the aerosol generated by theatomizing structure 100. Theliquid storing cavity 260 is configured to store atomizing medium, such as e-liquid, essence, spices, etc. Theatomizing structure 100 is provided with aventilation tube 150 configured to transport the aerosol for inhalation. Theventilation tube 150 is provided with amain air channel 193. In one of the embodiments, thenozzle structure 300 is sleeved on theliquid storing structure 200, theliquid storing structure 200 is located on theatomizing structure 100, theatomizing structure 100 is partially located in theliquid storing structure 200. In one of the embodiments, referring toFIG. 20 , thenozzle structure 300 is provided with a flowingopening 301, thenozzle structure 300 is in fluid communication with theair channel 190, thefirst air channel 191, and thesecond air channel 192 through the flowingopening 301. In another embodiment, thenozzle structure 300 is in fluid communication with themain air channel 193 through the flowingopening 301. - In one of the embodiments, as shown in
FIG. 13 andFIG. 14 , theliquid storing structure 200 includes anupper sealing element 210, alower sealing element 220, and ahousing 240. Further referring toFIG. 16 , the housing is provided with a mountingcavity 241. Theupper sealing element 210 covers on thehousing 240 and is partially mounted in the mountingcavity 241. Thelower sealing element 220 is mounted in the mountingcavity 241. Theatomizing structure 100 is further provided with amiddle sealing element 130. One end of theventilation tube 150 tightly abuts against theupper sealing element 210, the other end of theventilation tube 150 tightly abuts against themiddle sealing element 130, and theventilation tube 150 tightly abuts themiddle sealing element 130, theatomizing core assembly 110, thelower sealing element 220 and thehousing 240 sequentially through themiddle sealing element 130. - In one of the embodiments, as shown in
FIG. 14 andFIG. 15 , theventilation tube 150 is at least partially located in thehousing 240, and the liquid storingcavity 260 is formed in the mountingcavity 241 and located between in thehousing 240 and theventilation tube 150, theupper sealing element 210 is provided with a first communicatingopening 211, themain air channel 193 of theventilation tube 150 is in fluid communication with thefirst air channel 191 and thesecond air channel 192 to transport the aerosol, and the aerosol in themain air channel 193 flows out through the first communicatingopening 211. For the embodiment with thenozzle structure 300, theventilation tube 150 is respectively in fluid communication with thefirst air channel 191, thesecond air channel 192, and thenozzle structure 300 to transport the aerosol. That is, themain air channel 193 is in fluid communication with thefirst air channel 191, thesecond air channel 192 and thenozzle structure 300 to transport the aerosol, and the aerosol flows out through the first communicatingopening 211 and thenozzle structure 300. - Further, in one of the embodiments, as shown in
FIG. 14 andFIG. 15 , the atomizer further includes themiddle sealing element 130. Themiddle sealing element 130 is provided with a lower end cavity configured to accommodate theatomizing core assembly 110 or theatomizing portion 111, such as, the flowingarea 113. Alternatively, themiddle sealing element 130 is provided with a lower end cavity configured to accommodate the limitingstep 118, so as to facilitate assembly and sealing, and prevent the atomizing medium from entering into thefirst air channel 191 and thesecond air channel 192. In one of embodiments, the atomizer or theatomizing structure 100 further includes theventilation tube 150, theventilation tube 150 is inserted into an upper cavity provided on themiddle sealing element 210, the upper cavity is in fluid communication with the lower end cavity, so that the aerosol can flow out through theventilation tube 150 or theair channel 190. The atomizer further includes thelower sealing element 220 configured to fix theatomizing core assembly 110 and cooperates with themiddle sealing element 210 to seal the liquid storingcavity 260. Referring toFIG. 16 , thelower sealing element 220 is further provided with anair inlet channel 221 in communication with anair inlet 243. Further, in one of the embodiments, themiddle sealing element 210 is provided with the flowingarea 113 or thelower sealing element 220 is provided with the avoidinggroove 114, so as to ensure that the air can pass through two smoke channels at the same time and flow out from the two smoke channels, which can also achieve the effect of gas circulation. - In one of the embodiments, as shown in
FIG. 14 andFIG. 15 , theatomizing structure 100 further includes a mountingelement 160 and a sealingsleeve 170. The guidingportion 112 is provided with a wire. The mountingelement 160 is sleeved on the wire and located in thelower sealing element 220, the sealingsleeve 170 is sleeved on thelower sealing element 220. Optionally, as shown inFIG. 15 andFIG. 17 , thelower sealing element 220 is provided with a mountinggroove 222, the sealingsleeve 170 is sleeved in the mountinggroove 222. The mountingelement 160, thelower sealing element 220 and the sealingsleeve 170 cooperate to enable thelower sealing element 220 to tightly abut against thehousing 240 to seal the liquid storingcavity 260, so that the atomizing medium in the liquid storingcavity 260 only contacts the liquid-absorbingsurface 119 of the guidingportion 112. In this embodiment, thelower sealing element 220 is sleeved on the mountingelement 160, the sealingsleeve 170 is sleeved in thelower sealing element 220. - In one of the embodiments, the communication of the channels is shown in
FIG. 15 , theair channel 190 includes thefirst channel 191, thesecond channel 192 and themain channel 193. Both thefirst channel 191 and thesecond channel 192 are in fluid communication with themain air channel 193 for the aerosol to flow out. Further, a gap is provided between theventilation tube 150 and theatomizing portion 111 through thetop portion 117 and the limitingstep 118, so that thesecond air channel 192 is in fluid communication with themain air channel 193 through the gap. That is, a diameter of theventilation tube 150 and a diameter of atomizingportion 111 can be the same or different, and theventilation tube 150 and theatomizing portion 111 are not in contact, so that a space communicating with thesecond air channel 192 is formed between theventilation tube 150 and theatomizing portion 111. The space can be used as a part of themain channel 193, that is, themain channel 193 is in communication with thesecond air channel 192. In this way, two atomizing surfaces, thefirst air channel 191, and thesecond air channel 192 are formed on the inner wall and the outer wall of theatomizing portion 111, so that a large amount of atomized aerosol can be obtained. - Further, as shown in
FIG. 15 , one end of theventilation tube 150 abuts against the limitingstep 118 through themiddle sealing element 130 and an upper end of the guidingportion 112. The limitingstep 118 cooperates with theventilation tube 150 to retain the fluid communication between thefirst air channel 191 and thesecond air channel 192. The above-mentioned structure effectively prevents the atomizing medium in the liquid storingcavity 260 from entering theatomizing portion 111 from a position other than the liquid-absorbingsurface 119 through themiddle sealing element 130 and its connection relationship, and also prevents the atomizing medium from being mixed into theventilation tube 150 and themain air channel 193. - Further, as shown in
FIG. 15 , theventilation tube 150 passes through themiddle sealing element 130 to enable themain air passage 193 to be in communication with thefirst air passage 191 and thesecond air passage 192. On the one hand, the bottom of theatomizing core assembly 110 abuts against the mountingelement 160 and thelower sealing element 220, and abuts against the sealingsleeve 170 and thehousing 240 through thelower sealing element 220. On the other hand, the outer wall of the guidingportion 112 abuts against thelower sealing element 220, and abuts against thehousing 240 through thelower sealing element 220, so that thehousing 240 tightly abuts against thelower sealing element 220 and theatomizing core assembly 110, and the wire of the guidingportion 112 is sealed and isolated from the liquid storingcavity 260, so that the end of the liquid storingcavity 260 is effectively sealed. In this embodiment, themain air channel 193 is in fluid communication with thefirst air channel 191, and themain air channel 193 is in fluid communication with thesecond air channel 192. - The sealing of the liquid storing
cavity 260 is important. Since theventilation tube 150 extends through the liquid storingcavity 260, it is necessary to seal the two ends of thehousing 240 and theliquid storage chamber 260. In this embodiment, on the one hand, themiddle sealing element 130, theventilation tube 150 and theatomizing core assembly 110 fit tightly to prevent the atomizing medium in the liquid storingcavity 260 from leaking into thefirst air channel 191 and thesecond air channel 192 though the gap between theventilation tube 150 and themiddle sealing element 130. On the other hand, thelower sealing element 220 cooperates with the sealingsleeve 170 and the mountingelement 160 to apply pressure to an end of thehousing 240, so that it is tightly sleeved on theatomizing core assembly 110. A sealing system is formed as a whole, so as to prevent the atomizing medium in the liquid storingcavity 260 from leaking out of the atomizer or into a position of the wire of the guidingportion 112 through the gap between the mountingelement 160, the sealingsleeve 170 and thehousing 240. Such configuration achieves an effective seal for thehousing 240 and one end of the liquid storingcavity 260. - In one of the embodiments, as shown in
FIG. 16 , thehousing 240 is provided with the mountingcavity 241, theventilation tube 150 is at least partially accommodated in the mountingcavity 241, the liquid storingcavity 260 is formed in the mountingcavity 241. That is, the liquid storingcavity 260 is a part of the mountingcavity 241. In this embodiment, theliquid storing structure 200 is further provided with asealing pad 230 located on theupper sealing element 210. Thesealing pad 230 is provided with a second communicating opening 231 corresponding to the first communicatingopening 211. Themain air channel 193 is sequentially in communication with thefirst communication portion 211 and thesecond communication portion 231 to transport the aerosol, or themain air channel 193 is sequentially in communication with the first communicatingopening 211, the second communicatingopening 231 and thenozzle structure 300 to transport the aerosol. - Further, in one of the embodiments, the
upper sealing element 210 is further provided with at least one firstliquid injecting hole 212 in communication with the liquid storingcavity 260. The firstliquid injecting hole 212 is configured to inject the atomizing medium to the liquid storingcavity 260. Further, in one of the embodiments, as shown inFIG. 15 andFIG. 16 , theupper sealing element 210 is further provided with at least one firstliquid injecting hole 212, thesealing pad 230 is provided with at least one secondliquid injecting hole 232 corresponding to the first liquid injecting holes 212. The secondliquid injecting hole 232 is in communication with the liquid storingcavity 260 through the firstliquid injecting hole 212. Referring toFIG. 20 , thenozzle structure 300 blocks each of the firstliquid injecting holes 212 and/or each of the secondliquid injecting holes 232, and only sequentially communicates with the second communicatingopenings 231, the first communicatingopening 211 and themain air channel 193 through the flowingopening 301. - In one of the embodiments, as shown in
FIG. 17 andFIG. 18 , thehousing 240 is provided with at least twoelectrode mounting seats 242, each of theelectrode mounting seats 242 is provided with anelectrode element 140. The wire is electrically connected to theelectrode element 140 in theelectrode mounting seat 242. Thehousing 240 is provided with at least oneair inlet 243, theair inlet 243 is in fluid communication with thefirst air channel 191 and thesecond air channel 192, respectively. In one embodiment, the atomizer is further provided with theair inlet 243 and a flowingopening 301, theair inlet 243 is in fluid communication with both thefirst air channel 191 and thesecond air channel 192. The number ofair inlets 243 is not limited, for example, the atomizer may include twoair inlets 243, the twoair inlets 243 are in communication with thefirst air channel 191 and thesecond air channel 192, respectively. The flowingopening 301 is in fluid communication with theair channel 190 or themain air channel 193, for example, the flowingopening 301 is in fluid communication with themain air channel 193 in theventilation tube 150, so that the aerosol flows out from the flowingopening 301 301 through theventilation tube 150. - In one of the embodiments, as shown in
FIG. 19 , an aerosol generating device is provided including apower supply structure 400 and the atomizer described in any one of the above-mentioned embodiments. Thepower supply structure 400 is electrically connected to the atomizer for supplying power to the atomizer. The atomizer includes theatomizing structure 100, theliquid storing structure 200 and thenozzle structure 300. Theatomizing structure 100 and theliquid storing structure 200 are shielded by thenozzle structure 300 and thepower supply structure 400. Referring toFIG. 20 , thepower supply structure 400 includes acasing 410, abracket 420, abattery 430, acircuit board 440, acontrol element 450, a connectingend 460 and abottom case 470. Referring toFIG. 21 andFIG. 22 , thecasing 410 is sleeved on a part of thehousing 240, thenozzle structure 300 is sleeved on a part of thehousing 240, theupper sealing element 210, and theupper sealing element 210. Thenozzle structure 300 blocks the firstliquid injecting hole 212 and the secondliquid injecting hole 232. Thebracket 420 is fixed in thecasing 410, thebattery 430 is mounted to thebracket 420 and electrically connected to theelectrode element 140. An airflow gap in fluid communication with theair inlet 243 is formed between thebracket 420, thebattery 430, and thecasing 410 to ensure smooth airflow, so that the aerosol flows to the flowingopening 301 according to the airflow direction P. Such configuration forms a path for transporting the aerosol. Thecircuit board 440 is fixed to thebracket 420 and electrically connected to thebattery 430. Thecontrol element 450 is fixed to thecircuit board 440 and electrically connected to thebattery 430 through thecircuit board 440. The connectingend 460 is fixed to thecircuit board 440 and is electrically connected to thebattery 430 through thecircuit board 440, the connectingend 460 extends through thebottom case 470 and is exposed to the outside, so as to access an external connection terminal such as a charging terminal. Thebottom case 470 is plugged and fixed to thecasing 410, a part of thebracket 420 is located in thebottom case 470, and the rest of thebracket 420 is located in thecasing 410. - Referring to
FIG. 23 andFIG. 24 , thecontrol element 450 includes abutton 451, abutton base 452 and aconnector 453. Thebutton 451 is mounted to thebutton base 452 and exposed outside thebottom case 470, thebutton base 452 is fixed to thecircuit board 440. Theconnector 453 is electrically connected to thebattery 430 through thecircuit board 440, and thebutton base 452 surrounds and fixes theconnector 453, thebutton 451 is located on theconnector 453 to turn on or off theconnector 453. - It should be noted that other embodiments of the present application also include an atomizing structure, an atomizer, and an aerosol generating device formed by combining the technical features of the above embodiments.
Claims (15)
- An atomizing structure (100), comprising:an atomizing core assembly (110) comprising an atomizing portion (111) and a guiding portion (112), wherein the atomizing portion (111) is fixed in the guiding portion (112), the atomizing portion (111) has an outer wall (116), the guiding portion (112) has an inner wall portion (112A), and the outer wall (116) is in partial contact with the inner wall portion (112A), the guiding portion (112) is in contact with an atomizing medium, and is configured to transport the atomizing medium to the atomizing portion (111) through the inner wall portion (112A) and the outer wall (116) in sequence, the outer wall (116) forms a first atomizing surface configured to generate aerosol, and a first air channel (191) for transporting the aerosol is provided between the outer wall (116) and the inner wall portion (112A); anda heating element (120) at least partially embedded in the atomizing portion (111).
- The atomizing structure (100) according to claim 1, wherein the outer wall (116) is in surface contact with the inner wall portion (112A), and the outer wall (116) and the inner wall portion (112A) are tangent;
or a shortest distance from an inner wall (115) of the atomizing portion (111) to an outer wall portion (112B) of the guiding portion (112) is less than or equal to the sum of a distance from the inner wall (115) to the outer wall (116) and a distance from inner wall portion (112A) to the outer wall portion (112B). - The atomizing structure (100) according to claim 1, wherein at least two first air channels (191) are provided, and the at least two first air passages (191) are evenly distributed.
- The atomizing structure (100) according to claim 3, wherein the atomizing portion (111) has a central axis, and the at least two first air channels (191) are evenly distributed relative to the central axis.
- The atomizing structure (100) according to any one of claims 1 to 4, wherein the atomizing portion (111) has an inner wall (115), the inner wall (115) forms a second atomizing surface and a second air channel (192) configured to transport the aerosol generated on the second atomizing surface.
- The atomizing structure (100) according to claim 5, wherein a bottom of the atomizing portion (111) is provided with an avoiding groove (114), the first air channel (191) is in fluid communication with the second air channel (192) through the avoiding groove (114);
and/or, a top portion (117) of the atomizing portion (111) is provided with a flowing area (113), the first air channel (191) is in fluid communication with the second air channel (192) through the flowing area (113). - The atomizing structure (100) according to claim 5, wherein the atomizing core assembly (110) is provided with a limiting step (118) above the atomization portion (111) on the guiding portion(112).
- An atomizer, comprising a liquid storing structure (200) and the atomizing structure (100) according to any one of claims 1 to 7, wherein the liquid storing structure (200) is provided with a liquid storing cavity (260) configured to accommodate the atomizing medium, and the guiding portion (112) is in contact with the atomizing medium;
the aerosol generated by the heating element (120) passes through the first air channel (191) and the second air channel (192), and flows out through the liquid storing structure (200). - The atomizer according to claim 8, wherein the liquid storing structure (200) comprises an upper sealing element (210), a lower sealing element (220), and a housing (240), the housing (240) is provided with a mounting cavity (241), and the upper sealing element (210) covers the housing (240) and is partially mounted in the mounting cavity (241), the lower sealing element (220) is mounted in the mounting cavity (241);
the atomizing structure (100) is provided with a middle sealing element (130) and a ventilation tube (150), one end of the ventilation tube (150) tightly abuts against the upper sealing element (210), the other end of the ventilation tube (150) tightly abuts against the middle sealing element (130), and the ventilation tube (150) abuts against the middle sealing element (130), the atomizing core assembly (110), the lower sealing element (220) and the housing (240) sequentially through the middle sealing element (130). - The atomizer according to claim 9, wherein the ventilation tube (150) is provided with a main air channel (193), the upper sealing element (210) is provided with a first communicating opening (211), the ventilation tube (150) is at least partially located in the housing (240), the liquid storing cavity (260) is formed in the mounting cavity (241) and located between in the housing (240) and the ventilation tube (150), the main air channel (193) is in fluid communication with the first air channel (191) and the second air channel (192) to transport the aerosol, and the aerosol in the main air channel (193) flows out through the first communicating opening (211).
- The atomizer according to claim 9, wherein the atomizing structure (100) further comprises a mounting element (160) and a sealing sleeve (170), the guiding portion (112) is provided with a wire, the lower sealing element (220) is provided with a mounting groove 222, the mounting element (160) is sleeved on the wire and located in the lower sealing element (220), the sealing sleeve (170) is sleeved on the lower sealing portion (220) or sleeved in the mounting groove (222), the mounting element (160), the lower sealing element (220), and the sealing sleeve (170) cooperate to enable the lower sealing element (220) to tightly abut against the housing (240) to seal the liquid storing cavity (260), so that the atomizing medium in the liquid storing cavity (260) only contacts the liquid-absorbing surface (119) of the guiding portion (112).
- The atomizer according to claim 9, wherein the housing (240) is provided with at least two electrode mounting seats (242), each of the electrode mounting seat (242) is provided with an electrode element (140), the wire is electrically connected to the electrode element (140) in the electrode mounting seat (242);
the housing (240) is provided with an air inlet (243), the air inlet (243) is in fluid communication with the first air channel (191) and the second air channel (192), respectively. - An aerosol generating device, comprising a power supply and the atomizer according to any one of claims 8 to 12, wherein the power supply is electrically connected to the atomizer for supplying power to the atomizer.
- The aerosol generating device according to claim 13, wherein the atomizer further comprising a nozzle structure (300), the power supply structure (400) comprises a casing (410), a bracket (420), a battery (430), a circuit board (440), a control element (450), a connecting end (460), and a bottom case (470), the casing (410) is sleeve on a part of the housing (240), the nozzle structure (300) is sleeve on a part of the housing (240), the upper sealing element (210), and the upper sealing element (210), the nozzle structure (300) blocks the first liquid injecting hole (212) and the second liquid injecting hole (232), the bracket (420) is fixed in the casing (410), the battery (430) is mounted to the bracket (420) and is electrically connected to the electrode element (140), an airflow gap in fluid communication with the air inlet (243) is formed between the bracket (420), the battery (430) and the casing (410).
- The aerosol generating device according to claim 14, wherein the control element (450) comprises a button (451), a button base (452) and a connector (453), the button (451) is mounted to the button base (452) and exposed outside the bottom case (470), the button base (452) is fixed to the circuit board (440), the connector (453) is electrically connected to the battery (430) through the circuit board (440), and the button base (452) surrounds and fixes the connector (453), the button (451) is located on the connector (453) to turn on or off the connector (453).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210032701.8A CN114376273A (en) | 2022-01-12 | 2022-01-12 | Atomization structure, atomizer and aerosol generating device |
Publications (1)
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EP4223159A1 true EP4223159A1 (en) | 2023-08-09 |
Family
ID=81202720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP22213356.3A Pending EP4223159A1 (en) | 2022-01-12 | 2022-12-14 | Atomizing structure, atomizer and aerosol generating device |
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US (1) | US20230218000A1 (en) |
EP (1) | EP4223159A1 (en) |
CN (1) | CN114376273A (en) |
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CN115363278B (en) * | 2022-08-26 | 2023-08-04 | 深圳市大迈发展有限公司 | Atomizing assembly, atomizing device and aerosol generating device |
CN115778015A (en) * | 2022-12-16 | 2023-03-14 | 深圳市美深瑞科技有限公司 | Atomization assembly, device and equipment with main temperature difference air passage and auxiliary temperature difference air passage and atomization method |
Citations (3)
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US20170215481A1 (en) * | 2016-04-21 | 2017-08-03 | Shenzhen First Union Technology Co., Ltd. | Heating device, atomizing unit, atomizer and electronic cigarette having same |
EP3210641A1 (en) * | 2016-02-26 | 2017-08-30 | Shenzhen First Union Technology Co., Ltd. | Atomizer and electronic cigarette having same |
US20180140018A1 (en) * | 2016-11-23 | 2018-05-24 | Shenzhen First Union Technology Co., Ltd. | Aerosol generator, detachable atomizing device and electronic cigarette having same |
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2022
- 2022-01-12 CN CN202210032701.8A patent/CN114376273A/en active Pending
- 2022-12-14 EP EP22213356.3A patent/EP4223159A1/en active Pending
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EP3210641A1 (en) * | 2016-02-26 | 2017-08-30 | Shenzhen First Union Technology Co., Ltd. | Atomizer and electronic cigarette having same |
US20170215481A1 (en) * | 2016-04-21 | 2017-08-03 | Shenzhen First Union Technology Co., Ltd. | Heating device, atomizing unit, atomizer and electronic cigarette having same |
US20180140018A1 (en) * | 2016-11-23 | 2018-05-24 | Shenzhen First Union Technology Co., Ltd. | Aerosol generator, detachable atomizing device and electronic cigarette having same |
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US20230218000A1 (en) | 2023-07-13 |
CA3184069A1 (en) | 2023-07-12 |
CN114376273A (en) | 2022-04-22 |
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