Atomizer and ultrasonic atomization device

Abstract

The embodiment of the invention provides an atomizer and an ultrasonic atomization device. The atomizer comprises an ultrasonic atomization sheet and a liquid guide part. The ultrasonic atomization piece comprises piezoelectric ceramic and a metal micropore piece, an avoiding through hole is formed in the middle area of the piezoelectric ceramic, the metal micropore piece comprises a flat plate part and a protruding part, and the flat plate part is attached to the piezoelectric ceramic. The protruding part corresponds to the avoiding through hole, the protruding direction of the protruding part is opposite to the avoiding through hole, the protruding part is provided with a plurality of through micropores, and the metal micropore piece atomizes the aerosol generating matrix into aerosol in the vibration process. The liquid guide parts comprise the first liquid guide part and the second liquid guide part which are arranged in the first direction, and the second liquid guide part is arranged between the first liquid guide part and the metal micropore piece and attached to the protruding part. The second liquid guiding piece is a fiber piece, and the extending direction of fibers of the second liquid guiding piece is perpendicular to the first direction. And the problem of collapse of the liquid guide part is solved, so that the atomization efficiency and the atomization continuity are improved.

Description

[0001] This disclosure is based on and claims priority to patent application No. 202411265990.1 filed on September 10, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of atomization technology, and in particular to an atomizer and an ultrasonic atomization device. Background Technology

[0003] Ultrasonic atomizing devices typically include an atomizer and a power supply component electrically connected to the atomizer. Under the electric drive of the power supply component, the atomizer can atomize the aerosol generation matrix stored in the liquid reservoir by ultrasonic atomization or by heating without combustion to form an aerosol for user use.

[0004] In related technologies, in embodiments where aerosol-generating matrices are atomized via ultrasonic atomization, electrical energy is converted into the mechanical energy of the ultrasonic atomizing sheet. In the development of ultrasonic atomization devices, improving the atomization efficiency of the atomizing components is an issue that cannot be ignored. Summary of the Invention

[0005] In view of this, the embodiments of this application aim to provide an atomizer and an ultrasonic atomizing device that can improve the atomization efficiency of the atomizing components.

[0006] Therefore, a first aspect of the embodiments of this application provides an atomizer, comprising:

[0007] An ultrasonic atomizing sheet includes a piezoelectric ceramic and a metal microporous sheet. The piezoelectric ceramic has a clearance through-hole in its middle region. The metal microporous sheet includes a flat plate and a protruding portion. The flat plate is attached to the piezoelectric ceramic, and the protruding portion corresponds to the clearance through-hole. The protruding portion is convex in the opposite direction to the clearance through-hole. The protruding portion has multiple through-holes. During vibration, the metal microporous sheet atomizes the aerosol generation matrix into an aerosol.

[0008] The liquid guiding component includes a first liquid guiding component and a second liquid guiding component arranged along a first direction. The second liquid guiding component is disposed between the first liquid guiding component and the metal microporous sheet, and the second liquid guiding component is in contact with the protrusion. The second liquid guiding component is a fiber component, and the extension direction of the fibers of the second liquid guiding component is perpendicular to the first direction.

[0009] In some embodiments, the protrusion includes a curved section and a planar section, the curved section being disposed around the periphery of the planar section, the planar section having the micropores, and the planar section being in contact with the second liquid guiding element.

[0010] In some embodiments, the first liquid guiding element includes at least one of cotton, hemp, bamboo, wood, polyamide, polyethylene terephthalate, cellulose acetate, polypropylene terephthalate, polybutylene terephthalate, soluble fiber, wool, and silk.

[0011] In some embodiments, the second liquid guiding element includes at least one of cotton, hemp, bamboo, wood, polyamide, polyethylene terephthalate, cellulose acetate, polypropylene terephthalate, polybutylene terephthalate, soluble fiber, wool, and silk.

[0012] In some embodiments, the second liquid guide has a dimension of 0.1 mm to 0.5 mm in the first direction.

[0013] In some embodiments, the first liquid guiding element is a fibrous element, and the extension direction of the fibers of the first liquid guiding element is parallel to the first direction.

[0014] In some embodiments, the metal microporous sheet is disposed on one side of the second liquid guiding element along the first direction;

[0015] On a projection plane perpendicular to the first direction, the diameter of the projection of the protrusion is D, where 3mm ≤ D ≤ 8mm.

[0016] In some embodiments, the protrusion has a dimension H in the first direction, where 0.2 mm ≤ H ≤ 1 mm.

[0017] In some embodiments, on a projection plane perpendicular to the first direction, the diameter of the projection of the protrusion is D, and the dimension of the protrusion in the first direction is H, where 0.05 ≤ H / D ≤ 0.15.

[0018] In some embodiments, the protrusion includes a micropore region having the micropores formed therein, and on a projection plane perpendicular to the first direction, the equivalent diameter of the projection of the micropore region is D1, where 2mm≤D1≤4mm.

[0019] In some embodiments, the micropore includes a mist outlet facing the piezoelectric ceramic side, and the diameter of the mist outlet is D2, where 1μm≤D2≤2μm.

[0020] In some embodiments, the micropores include a liquid suction port on the side opposite to the piezoelectric ceramic;

[0021] The pore size of the suction port is D3, where 20μm≤D3≤40μm.

[0022] In some embodiments, the distance between adjacent suction ports is L1, where 30μm≤L1≤100μm.

[0023] In some embodiments, the dimension of the flat plate portion in the first direction is H1, where 0.03mm≤H1≤0.08mm.

[0024] In some embodiments, on a projection plane perpendicular to the first direction, the equivalent diameter of the projection of the flat plate portion is D4, where 13mm≤D4≤14mm.

[0025] In some embodiments, the material of the metal microporous sheet includes at least one of stainless steel, titanium, titanium alloy, nickel, nickel-cobalt alloy, or palladium-nickel alloy.

[0026] In some embodiments, the piezoelectric ceramic is made of at least one of lead zirconate titanate, sodium potassium niobate, or barium calcium zirconate titanate.

[0027] In some embodiments, the diameter of the clearance through hole is D5, where 4mm ≤ D5 ≤ 6mm.

[0028] In some embodiments, the outer diameter of the piezoelectric ceramic is D6, where 13mm ≤ D6 ≤ 14mm.

[0029] In some embodiments, the piezoelectric ceramic has a dimension H2 in the first direction, where 0.4 mm ≤ H2 ≤ 0.8 mm.

[0030] In some embodiments, the central axes of the micropores, the metal microporous sheet, and the piezoelectric ceramic are parallel.

[0031] In some embodiments, the ultrasonic atomizing sheet operates at a frequency of 120kHz-160kHz.

[0032] In some embodiments, the resonant impedance of the ultrasonic atomizing sheet is less than 100Ω.

[0033] In some embodiments, the driving voltage of the ultrasonic atomizing plate is 60Vpp-100Vpp.

[0034] The dynamic viscosity of the aerosol generating matrix at room temperature ranges from 1 cp to 4 cp.

[0035] In some embodiments, the atomizer includes:

[0036] The housing has an air outlet channel formed inside it, which extends along the height direction of the atomizer;

[0037] An atomizing base, at least a portion of which is disposed within the housing; a liquid storage chamber is provided within the housing for storing the aerosol generation matrix; the atomizing base has an atomizing cavity and a liquid inlet channel, the atomizing cavity being connected to the gas outlet channel, the liquid inlet of the liquid inlet channel being connected to the liquid storage cavity, and the liquid outlet of the liquid inlet channel being connected to the liquid guiding component.

[0038] The ultrasonic atomizing plate is directly opposite the air outlet channel, and the ultrasonic atomizing plate is located between the air outlet channel and the liquid guiding element. The first direction is the height direction of the atomizer.

[0039] A second aspect of this application provides an ultrasonic atomizing device, including a power supply assembly and an atomizer as described in any embodiment of this application, wherein the power supply assembly is electrically connected to the atomizer.

[0040] The atomizer in this embodiment includes an ultrasonic atomizing plate and a liquid guiding component. The metal microporous plate of the ultrasonic atomizing plate has protrusions, which on the one hand improves the structural strength of the metal microporous plate and mitigates damage during vibration; on the other hand, the protrusion direction of the protrusions faces away from the through-hole, meaning the ultrasonic atomizing plate can contact the liquid guiding component of the atomizer through the protrusions. This allows the liquid guiding component to supply liquid to the protrusions while also reducing the contact area between the ultrasonic atomizing plate and the liquid guiding component, reducing the stress on the ultrasonic atomizing plate and the loss of mechanical energy due to vibration, and improving atomization efficiency. Furthermore, by setting the extension direction of the fibers of the first liquid guiding component to be aligned with the first... The first liquid guide has its fibers extending in a direction parallel to the first direction, while the second liquid guide has its fibers extending in a direction perpendicular to the first direction. This means that the capillary channels in the first and second liquid guides extend in different directions. This improves the liquid supply efficiency of the liquid guide, thereby increasing the atomization efficiency. Furthermore, the fact that the fibers of the second liquid guide extend in a direction perpendicular to the first direction gives the second liquid guide a certain degree of flexibility in the first direction. During the vibration of the metal microporous sheet, this helps reduce the hard contact between the liquid guide and the metal microporous sheet and can improve the problem of liquid guide collapse. This also helps improve the liquid supply stability of the liquid guide, thereby improving the atomization efficiency and the continuity of atomization, and ultimately improving the user experience. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the ultrasonic atomizing device in one embodiment of this application;

[0042] Figure 2 for Figure 1 A sectional view;

[0043] Figure 3 This is a cross-sectional view of the atomizer in the first embodiment of this application;

[0044] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0045] Figure 5 This is a cross-sectional view of the atomizer in the second embodiment of this application;

[0046] Figure 6 This is a schematic diagram of the structure of the ultrasonic atomizing sheet in one embodiment of this application;

[0047] Figure 7 This is a schematic diagram of the structure of a metal microporous sheet in one embodiment of this application;

[0048] Figure 8 for Figure 7 A sectional view.

[0049] Explanation of reference numerals in the attached figures

[0050] 10. Atomizing seat; 10a. Atomizing chamber; 10b. Liquid inlet channel; 11. Atomizing top seat; 12. Atomizing base; 20. Atomizing assembly; 21. Liquid guide; 211. First liquid guide; 212. Second liquid guide; 22. Ultrasonic atomizing plate; 22a. Micropore; 22b. Micropore region; 221. Piezoelectric ceramic; 2211. Clearance through hole; 222. Metal microporous plate; 2221. Flat plate; 2222. Protrusion; 2223. Planar section; 2224. Curved section; 30. Housing; 30a. Air outlet channel; 100. Atomizer; 100a. Liquid storage chamber; 200. Power supply assembly; 1000. Ultrasonic atomizing device. Detailed Implementation

[0051] It should be noted that, unless otherwise specified, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed descriptions in the specific implementation should be understood as explanations of the purpose of this application and should not be regarded as undue limitations on this application.

[0052] In the description of the embodiments of this application, it should be noted that the terms "upper," "lower," "top," and "bottom," etc., indicate the orientation or positional relationship based on the appendix. Figure 2 The orientations or positional relationships shown are for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of this application. The application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0053] like Figure 1 and Figure 2 As shown, this application provides an ultrasonic atomizing device 1000, which includes an atomizer 100 and a power supply assembly 200 according to any embodiment of this application.

[0054] The ultrasonic atomizing device 1000 is used to atomize an aerosol generating matrix to produce aerosols for user use. The aerosol generating matrix includes, but is not limited to, pharmaceuticals, nicotine-containing materials, or nicotine-free materials. In embodiments of this application, the aerosol generating matrix may, for example, be a liquid material made primarily of plants (e.g., tobacco) with added aerosol-forming agents and aroma materials.

[0055] The power supply component 200 is electrically connected to the atomizer 100. The power supply component 200 is mainly used to supply power to the atomizer 100 and to control the opening and closing of the entire ultrasonic atomizing device 1000.

[0056] Those skilled in the art should understand that the embodiments of this application do not specifically limit the type of ultrasonic atomizing device 1000. For example, ultrasonic atomizing device 1000 may be a medical atomizing device, an air humidifier, or an electronic cigarette, etc., that requires the use of atomizer 100.

[0057] like Figures 2 to 8 As shown, this application embodiment provides an atomizer 100, which includes an atomizing component 20. Exemplarily, the atomizing component 20 includes an ultrasonic atomizing plate 22 and a liquid guiding member 21.

[0058] Please see Figures 6 to 8 The ultrasonic atomizing sheet 22 includes a piezoelectric ceramic 221 and a metal microporous sheet 22a. The piezoelectric ceramic 221 has a clearance through-hole 2211 in its middle region. The metal microporous sheet 22a includes a flat plate portion 2221 and a protrusion portion 2222. The flat plate portion 2221 is attached to the piezoelectric ceramic 221. The protrusion portion 2222 corresponds to the clearance through-hole 2211, and the protrusion direction of the protrusion portion 2222 is opposite to the clearance through-hole 2211. The protrusion portion 2222 is provided with a plurality of through micropores 22a. During vibration, the metal microporous sheet 22a atomizes the aerosol generation matrix into an aerosol.

[0059] Please see Figures 4 to 5 The liquid guiding component 21 includes a first liquid guiding component 211 and a second liquid guiding component 212 arranged along a first direction. The second liquid guiding component 212 is disposed between the first liquid guiding component 211 and the metal micropore 22a sheet, and the second liquid guiding component 212 is in contact with the protrusion 2222. The second liquid guiding component 212 is a fiber component, and the extension direction of the fibers of the second liquid guiding component 212 is perpendicular to the first direction.

[0060] For example, please refer to Figures 2 to 5 The atomizer 100 includes a housing 30, an atomizing base 10, and an atomizing assembly 20.

[0061] For example, an air outlet channel 30a is formed inside the housing 30, and the air outlet channel 30a extends along the height direction of the atomizer 100.

[0062] The air outlet passage 30a can be located in the middle area inside the housing 30, or it can be located on the side of the middle area of ​​the housing 30.

[0063] The aerosol formed by atomization can flow through the air outlet channel 30a and be discharged to the outside for user use through the air outlet.

[0064] For example, at least a portion of the atomizing base 10 is disposed within the housing 30. A liquid storage chamber 100a is provided inside the housing 30 for storing the aerosol generation matrix. The atomizing base 10 has an atomizing chamber 10a and a liquid inlet channel 10b. The atomizing chamber 10a communicates with the air outlet channel 30a, and the liquid inlet of the liquid inlet channel 10b communicates with the liquid storage chamber 100a.

[0065] For example, the ultrasonic atomizing plate 22 is directly opposite the air outlet channel 30a, and the ultrasonic atomizing plate 22 is located between the air outlet channel 30a and the liquid guide 21, with the first direction being the height direction of the atomizer 100.

[0066] When the atomizer 100 is in operation, the aerosol generating matrix in the liquid storage chamber 100a is connected to the liquid guide 21 through the liquid inlet channel 10b. The liquid guide 21 supplies liquid to the atomizing component 20 from bottom to top. The atomizing component 20 atomizes the aerosol generating matrix. The aerosol formed after atomization is discharged from the atomizing chamber 10a to the air outlet channel 30a along with the air entering through the air inlet channel, and finally discharged from the air outlet of the air outlet channel 30a for user use.

[0067] This upward atomization method reduces the flow path length of the aerosol formed after atomization, allowing the aerosol to reach the outlet of the outlet channel 30a more quickly for user use. Reducing the flow path length also decreases the likelihood of the aerosol impacting the inner wall and forming aerosol condensates due to an excessively long path, preventing aroma and concentration reduction caused by aerosol loss. Simultaneously, it avoids large aerosol particles condensing and clogging the outlet channel 30a or leaking into the power supply assembly 200, thus preventing damage to the device.

[0068] Of course, in other embodiments, the ultrasonic atomizing plate 22 may also be arranged parallel to the height direction of the atomizer 100.

[0069] For example, please refer to Figures 4 to 6 The atomizing assembly 20 includes a liquid guiding component 21 and an ultrasonic atomizing plate 22, with the outlet of the liquid inlet channel 10b fitting against the liquid guiding component 21. The ultrasonic atomizing plate 22 is located on the top side of the liquid guiding component 21 and protrudes towards the side of the liquid guiding component 21 to form a protrusion 2222.

[0070] The liquid storage chamber 100a is provided inside the housing 30. This can be because the housing 30 defines the liquid storage chamber 100a, or the housing 30 and the atomizing seat 10 jointly define the liquid storage chamber 100a.

[0071] The housing 30 is the outer housing of the atomizer 100, and an air outlet channel 30a is formed inside it. At least a portion of the atomizing base 10 is disposed inside the housing 30.

[0072] In this embodiment of the application, the top of the atomizing seat 10 and the inner sidewall of the housing 30 define a liquid storage chamber 100a for storing the aerosol generation matrix, and the liquid storage chamber 100a is arranged around the gas outlet channel 30a.

[0073] In other embodiments, a liquid storage cavity 100a may be formed inside the housing 30.

[0074] For example, the fact that at least a portion of the atomizer base 10 is disposed within the housing 30 can mean that a portion of the structure of the atomizer base 10 is disposed within the housing 30, or it can mean that the entire structure of the atomizer base 10 is disposed within the housing 30.

[0075] For example, the atomizing seat 10 has an air intake channel that connects the outside world and the atomizing chamber 10a.

[0076] For example, please refer to Figures 3 to 5 The atomizing base 10 has an atomizing chamber 10a and a liquid inlet channel 10b. The liquid inlet channel 10b connects the liquid storage chamber 100a and the atomizing chamber 10a. The atomizing chamber 10a is connected to the air outlet channel 30a. The aerosol generating matrix in the liquid storage chamber 100a enters the atomizing component 20 through the liquid inlet channel 10b for atomization. The atomized aerosol flows through the air outlet channel 30a along with the air flowing in through the air inlet channel and is discharged to the outside through the air outlet for user use.

[0077] The atomizing component 20 is used to absorb the aerosol generating matrix and atomize the aerosol generating matrix to form an aerosol. The atomizing component 20 is disposed in the atomizing seat 10 and includes an ultrasonic atomizing plate 22, which is located between the atomizing chamber 10a and the liquid outlet of the liquid inlet channel 10b and blocks the liquid outlet of the liquid inlet channel 10b.

[0078] The piezoelectric ceramic 221 has a clearance through-hole 2211 in the middle region, which is used to avoid the liquid outlet. When the atomizer 100 is in operation, the piezoelectric ceramic 221 will undergo mechanical deformation with changes in voltage and frequency, thereby atomizing the aerosol generation matrix in the liquid inlet channel 10b into aerosol during vibration.

[0079] Please see Figures 6 to 8 The metal microporous sheet 22a includes a flat plate portion 2221 and a protrusion portion 2222. The flat plate portion 2221 is bonded to the piezoelectric ceramic 221.

[0080] For example, the plate portion 2221 of the metal microporous sheet 22a can be bonded to the bottom side of the piezoelectric ceramic 221 using a conductive adhesive. Alternatively, the plate portion 2221 of the metal microporous sheet 22a can be bonded to the bottom side of the piezoelectric ceramic 221 using an epoxy resin adhesive.

[0081] Please see Figures 4 to 6 The protrusion 2222 protrudes away from the through hole 2211, meaning that the ultrasonic atomizing plate 22 protrudes towards the liquid guiding element 21 to form the protrusion 2222. In other words, the protrusion 2222 is closer to the liquid guiding element 21 than other areas of the ultrasonic atomizing plate 22. By providing the protrusion 2222, the ultrasonic atomizing plate 22 improves its structural strength and atomization efficiency.

[0082] Here, by controlling the high-frequency vibration of the metal microporous plate 22a, the aerosol generation matrix passes through the micropores 22a to form micron-sized aerosols, thereby generating aerosols. Vibration atomization has the advantages of low noise, low energy consumption, low-temperature atomization without e-liquid decomposition, smokeless operation, and the ability to use water as a solvent, resulting in a better vaping experience, reduced harm, and smokeless operation.

[0083] For example, the metal microporous sheet 22a can be formed by stamping to create the protrusion 2222, for example by stamping with a stamping press. That is, the shape of the protrusion 2222 is the same as the shape of the stamping die.

[0084] Here, by achieving smokeless operation of the ultrasonic atomizing device 1000, the aerosol forms carbon dioxide and water in the air, which is environmentally friendly and more suitable for lung inhalation. The aerosol is also available at room temperature.

[0085] It should be noted that the specific direction of the first direction is not limited here. For example, the first direction is set perpendicular to or approximately perpendicular to the height direction of the atomizer 100.

[0086] Of course, in other embodiments, the first direction is set parallel or substantially parallel to the height direction of the atomizer 100.

[0087] like Figure 6 As shown, micropores 22a are formed on the ultrasonic atomizing plate 22. The ultrasonic atomizing plate 22 can convert electrical energy into vibration energy and atomize the aerosol generating matrix into aerosol during the vibration process. At the same time, the ultrasonic atomizing plate 22 vibrates to generate ultrasonic waves, which atomize the aerosol generating matrix, thereby generating aerosol for users.

[0088] An ultrasonic atomizing plate 22 is provided between the liquid outlet of the liquid inlet channel 10b and the atomizing chamber 10a to act as a seal. The ultrasonic atomizing plate 22 can effectively seal the liquid outlet of the liquid inlet channel 10b. When the atomizer 100 is not in operation, the aerosol generating matrix in the liquid storage chamber 100a will not be exposed in the atomizing chamber 10a, thereby reducing the evaporation of the aroma of the aerosol generating matrix and reducing the possibility of leakage. At the same time, micropores 22a are provided at some positions of the ultrasonic atomizing plate 22. When the atomizer 100 is in operation, the ultrasonic atomizing plate 22 will vibrate, and the aerosol generating matrix in the liquid inlet channel 10b can be atomized into aerosol by the ultrasonic atomizing plate 22 during the vibration. Thus, by placing an ultrasonic atomizing plate 22 between the liquid outlet of the liquid inlet channel 10b and the atomizing chamber 10a, which can act as a seal, the atomization of the aerosol generation matrix can be maintained without affecting the atomization of the aerosol generation matrix, and the volatilization of the aroma of the aerosol generation matrix can be effectively reduced. At the same time, the possibility of leakage in the liquid storage chamber 100a can also be reduced.

[0089] For example, the nozzle of the housing 30 has a flat cross-section, and the liquid inlet of the liquid inlet channel 10b is located in the width direction (short axis) of the atomizing seat 10. The short axis direction of the housing 30 is the width direction of the atomizing seat 10.

[0090] Here, the nozzle can restrict the user's suction direction. The sides of the user's mouth are aligned with the length direction (major axis) of the housing 30. The major axis of the housing 30 is the length direction of the atomizing seat 10. Thus, the liquid inlet is set in the width direction of the atomizing seat 10. When the aerosol generating matrix is ​​relatively small, all the aerosol generating matrix can enter through the liquid inlet of the atomizing seat 10, thereby improving the utilization rate of the aerosol generating matrix.

[0091] Of course, in other embodiments, the cross-section of the nozzle of the housing 30 may also be circular.

[0092] The liquid guiding element 21 includes a first liquid guiding element 211 and a second liquid guiding element 212 arranged along a first direction. The second liquid guiding element 212 is disposed between the first liquid guiding element 211 and the metal micro-hole 22a sheet. That is, the metal micro-hole 22a sheet is disposed on the side of the second liquid guiding element 212 away from the first liquid guiding element 211 along the first direction. In other words, the ultrasonic atomizing sheet 22 and the liquid guiding element 21 are arranged along the first direction.

[0093] For example, the end of the second liquid guide 212 away from the first liquid guide 211 is the liquid supply end, and the end of the first liquid guide 211 away from the second liquid guide 212 is the liquid inlet end. That is, the second liquid guide 212 is located on the side of the first liquid guide 211 near the gas outlet channel 30a. That is, the aerosol generating matrix in the liquid inlet channel 10b first enters the first liquid guide 211, and then enters the second liquid guide 212 from the first liquid guide 211, and supplies liquid to the ultrasonic atomizing sheet 22 through the second liquid guide 212.

[0094] In some embodiments, the first liquid guiding component 211 and the second liquid guiding component 212 can be an integral structure, which helps to reduce the number of parts and improve assembly efficiency.

[0095] In other embodiments, the first liquid guiding element 211 and the second liquid guiding element 212 can be a separate structure. This makes it easier to design parameters such as the thickness, cross-sectional area, and capillary channels of the first liquid guiding element 211 and the second liquid guiding element 212, so that the liquid guiding element 21 has a more suitable liquid guiding rate.

[0096] In embodiments where the first liquid guiding component 211 and the second liquid guiding component 212 are separate structures, the first liquid guiding component 211 and the second liquid guiding component 212 can be in direct contact or can be spaced apart, so that an oil film can be formed between the first liquid guiding component 211 and the second liquid guiding component 212, thereby enabling the aerosol generation matrix to be guided to the second liquid guiding component 212 via the first liquid guiding component 211.

[0097] The second liquid guiding element 212 is in contact with the protrusion 2222, that is, the second liquid guiding element 212 and the protrusion 2222 are in liquid communication, that is, the second liquid guiding element 212 can guide the aerosol generation matrix to the protrusion 2222.

[0098] The second liquid guiding element 212 is a fiber element, that is, the interior of the second liquid guiding element 212 has capillary channels. The second liquid guiding element 212 can generate capillary phenomenon for the liquid located in the capillary channels, and can supply liquid to the ultrasonic atomizing plate 22 in real time, which is beneficial to improve the liquid supply rate and achieve continuous liquid supply.

[0099] For example, the first liquid guiding element 211 is a fiber element.

[0100] For example, the first liquid guiding element 211 has capillary channels inside.

[0101] Capillarity refers to the phenomenon that occurs in capillary channels with dimensions small enough to be compared to the radius of curvature of a liquid meniscus. In these capillary channels, the entire liquid surface becomes curved, and the interactions between liquid and solid molecules extend throughout the liquid. This surface curvature generates capillary forces. Thus, the liquid guide 21 can continuously supply the aerosol-generating matrix to the ultrasonic atomizing plate 22 through the capillary channels.

[0102] Here, the capillary channel can exert capillary force on the internal aerosol generating matrix. In other words, the capillary channel can adsorb and lock in part of the aerosol generating matrix. This can improve the situation where the liquid supply is not timely when the device is placed flat or upside down, thereby improving the situation of the ultrasonic atomizing plate 22 vibrating in the air and helping to improve the service life of the ultrasonic atomizing plate 22.

[0103] In addition, capillary channels can make the liquid supply more uniform, which helps to improve the situation where excessive liquid supply due to negative pressure suction leads to no smoke, that is, there is excess liquid column above the ultrasonic atomizing plate 22 which will cause no smoke.

[0104] The second liquid guiding element 212 is a fiber element, that is, the second liquid guiding element 212 is a flexible structure, that is, the second liquid guiding element 212 and the metal micropore 22a sheet are not in hard contact, which helps to reduce the stress and vibration mechanical energy loss of the ultrasonic atomizing sheet 22 and improve atomization efficiency.

[0105] The fiber extension direction of the second liquid guiding element 212 is perpendicular to the first direction, which allows the second liquid guiding element 212 to undergo a certain deformation in the first direction. When the ultrasonic atomizing plate 22 comes into contact with the second liquid guiding element 212 during vibration, the second liquid guiding element 212 deforms, further reducing the stress and vibration mechanical energy loss of the ultrasonic atomizing plate 22, and improving the problem of collapse of the liquid guiding element 21. In addition, it can also make the second liquid guiding element 212 fit better with the metal microporous plate 22a, thereby improving the liquid supply stability of the liquid guiding element 21, thereby improving the atomization efficiency and the continuity of atomization, and thus improving the user experience.

[0106] In this embodiment, the atomizing component 20 includes an ultrasonic atomizing plate 22 and a liquid guiding component 21. The metal micropores 22a of the ultrasonic atomizing plate 22 have protrusions 2222, which on the one hand improves the structural strength of the metal micropores 22a and reduces the risk of damage during vibration; on the other hand, the protrusion direction of the protrusions 2222 is opposite to the through hole 2211, meaning that the ultrasonic atomizing plate 22 can contact the liquid guiding component 21 of the atomizer 100 through the protrusions 2222. This allows the liquid guiding component 21 to supply liquid to the protrusions 2222 while also reducing the impact between the ultrasonic atomizing plate 22 and the liquid guiding component 21. The increased contact area between the liquid guiding components 21 reduces the stress and vibration mechanical energy loss of the ultrasonic atomizing sheet 22, thereby improving atomization efficiency. Furthermore, by setting the extension direction of the fibers of the second liquid guiding component 212 to be perpendicular to the first direction, the second liquid guiding component 212 can have a certain degree of flexibility in the first direction. During the vibration of the metal micro-hole sheet 22a, this helps to reduce the hard contact between the liquid guiding component 21 and the metal micro-hole sheet 22a, and can also improve the problem of collapse of the liquid guiding component 21, which is conducive to improving the liquid supply stability of the liquid guiding component 21, thereby improving atomization efficiency and atomization continuity, and thus improving the user experience.

[0107] In some embodiments, the first liquid guiding element 211 is a fiber element, and the extension direction of the fibers of the first liquid guiding element 211 is parallel to the first direction.

[0108] The fiber extension direction of the second liquid guiding element 212 is perpendicular to the first direction, that is, the extension direction of the capillary channel in the second liquid guiding element 212 is also perpendicular to the first direction.

[0109] The fiber extension direction of the first liquid guiding element 211 is parallel to the first direction, that is, the extension direction of the capillary channel in the first liquid guiding element 211 is also parallel to the first direction.

[0110] In this embodiment, by extending the capillary channel in the first liquid guiding component 211 along the first direction and extending the capillary channel in the second liquid guiding component 212 along a direction perpendicular to the first direction, the aerosol generation matrix can flow in different directions. This is beneficial to improving the liquid supply efficiency of the liquid guiding component 21, thereby improving the atomization efficiency.

[0111] It should be noted that the material of the second liquid guiding component 212 is not restricted here.

[0112] For example, the fiber extension direction of the second liquid guiding member 212 is perpendicular to the first direction, that is, the second liquid guiding member 212 is in the form of non-woven horizontal fiber cotton.

[0113] For example, the second liquid guiding element 212 includes at least one of polymer fibers, plant fibers, or animal fibers.

[0114] In some embodiments, the second liquid guiding element 212 includes at least one of cotton, hemp, bamboo, wood, polyamide, polyethylene terephthalate (PET), cellulose acetate (CA), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), lyocell, wool, and silk.

[0115] Of course, in some other embodiments, the second liquid guide 212 may also be made of any other suitable fibrous material.

[0116] It should be noted that the material of the first liquid guiding component 211 is not restricted here.

[0117] For example, the fiber extension direction of the first liquid guiding element 211 is parallel to the first direction, that is, the first liquid guiding element 211 is in the form of non-woven vertical fiber cotton.

[0118] For example, the first liquid guiding element 211 includes at least one of polymer fiber, plant fiber or animal fiber.

[0119] In some embodiments, the first liquid guiding element 211 includes at least one of cotton, hemp, bamboo, wood, polyamide, polyethylene terephthalate (PET), cellulose acetate (CA), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), soluble fiber (Lyocell), wool, and silk.

[0120] Of course, in some other embodiments, the first liquid guide 211 may also be made of any other suitable fibrous material.

[0121] like Figure 2 and Figure 3 As shown, the atomizer base 10 includes an atomizer top seat 11 and an atomizer base 12, with the atomizer top seat 11 located on the top side of the atomizer base 12.

[0122] The atomizer top mount 11 and the atomizer base 12 are detachably connected. The detachable connection methods include, but are not limited to, threaded connection, screw connection, or snap-fit ​​connection.

[0123] For example, such as Figures 2 to 4 As shown, the liquid storage chamber 100a is located on the top side of the atomizing seat 10, the ultrasonic atomizing plate 22 is arranged perpendicular to the top and bottom direction (i.e., the height direction) of the atomizer 100, the liquid outlet of the liquid inlet channel 10b is located on the bottom side of the liquid guide 21, and the atomizing chamber 10a is located on the top side of the ultrasonic atomizing plate 22.

[0124] The mist outlet of the atomizing chamber 10a is connected to the air outlet channel 30a. The air outlet channel 30a is a straight channel extending along the height direction of the atomizer 100. The straight air outlet channel 30a has a simple structure, is easy to process, and has low airflow resistance.

[0125] When the atomizer 100 is in operation, the aerosol generation matrix in the liquid storage chamber 100a is atomized from bottom to top towards the atomization chamber 10a through the liquid inlet channel 10b. At the same time, the atomized aerosol is discharged from the mist outlet to the air outlet channel 30a along with the air entering through the air inlet channel, and finally discharged from the air outlet of the air outlet channel 30a for user use.

[0126] This upward atomization method reduces the flow path length of the aerosol formed after atomization, allowing the aerosol to reach the outlet of the gas outlet channel 30a more quickly for user use. Reducing the flow path length also decreases the likelihood of aerosol condensation due to an excessively long path, preventing aroma and concentration reduction caused by aerosol loss. Simultaneously, it avoids large condensate droplets clogging the gas outlet channel 30a or leaking into the power supply component 200, thus preventing damage to the device.

[0127] In addition, in this upward atomization method, the aerosol generating matrix needs to be transported upward into the atomization chamber 10a under the action of the ultrasonic atomizing plate 22 to overcome gravity. In this way, when the atomizer 100 is not in working state, that is, when the ultrasonic atomizing plate 22 is not vibrating, it is difficult for the aerosol generating matrix in the liquid storage chamber 100a to enter the atomization chamber 10a through the ultrasonic atomizing plate 22, which reduces the possibility of leakage. At the same time, it can well preserve the aroma of the aerosol generating matrix in the liquid storage chamber 100a.

[0128] In some embodiments, the material of the metal microporous sheet 22a includes at least one of stainless steel, titanium, titanium alloy, nickel, nickel-cobalt alloy, or palladium-nickel alloy.

[0129] Here, the metal microporous sheet 22a is made of stainless steel, titanium, titanium alloy, nickel, nickel-cobalt alloy, or palladium-nickel alloy. Stainless steel, titanium, titanium alloy, nickel, nickel-cobalt alloy, or palladium-nickel alloy have high hardness, so the metal microporous sheet 22a can maintain its shape well and is not easily deformed even during vibration.

[0130] Of course, in some other embodiments, the metal microporous sheet 22a can also be made of any other suitable material.

[0131] Here, the protrusion 2222 can be in contact with the liquid guide 21, which is beneficial for the liquid supply between the liquid guide 21 and the protrusion 2222; or there can be a certain gap between the protrusion 2222 and the liquid guide 21, so that the liquid supply between the liquid guide 21 and the protrusion 2222 can be achieved by the action of capillary force, so that an oil film (aerosol generation matrix film) is formed between the protrusion 2222 and the liquid guide 21, that is, the aerosol generation matrix is ​​in real-time contact with the ultrasonic atomizing plate 22, and the influence of the liquid guide 21 on the vibration of the protrusion 2222 can be reduced, thereby improving the atomization efficiency and the service life of the ultrasonic atomizing plate 22.

[0132] The working principle of the atomizing component 20 is mainly to convert electrical energy into high-frequency vibrational mechanical energy through the piezoelectric ceramic transducer 221, which drives the metal microporous plate 22a to vibrate at high frequency. The aerosol generation matrix passes through the micropores 22a to form micron-sized aerosols, thereby generating aerosols. Vibration atomization has the advantages of low noise, low energy consumption, low-temperature atomization without e-liquid decomposition, smokeless operation, and the ability to use water as a solvent, resulting in a better vaping experience, reduced harm, and smokeless operation.

[0133] It should be noted that there are no restrictions on the material of the piezoelectric ceramic 221.

[0134] In some embodiments, the piezoelectric ceramic 221 is made of at least one of lead zirconate titanate, sodium potassium niobate, or barium calcium zirconate titanate.

[0135] In other words, high-performance lead zirconate titanate (PZT), potassium sodium niobate (KNN), or barium calcium zirconate titanate (BCZT) based piezoelectric ceramics 221 can be used, which is beneficial to improving the atomization effect of the ultrasonic atomizing plate 22.

[0136] It should be noted that the specific shape of the ultrasonic atomizing plate 22 is not limited here.

[0137] For example, the ultrasonic atomizing plate 22 is generally circular. The edges of the circular ultrasonic atomizing plate 22 are smooth and there are no protruding sharp corners, which can reduce stress concentration and prevent damage to the ultrasonic atomizing plate 22. Of course, in some other embodiments, the ultrasonic atomizing plate 22 may also be in any other suitable shape.

[0138] For example, the ultrasonic atomizing plate 22 is of moderate size, which can ensure atomization efficiency and avoid the situation where the ultrasonic atomizing plate 22 is too large, which would be unfavorable for assembly into the atomizer 100.

[0139] It should be noted that the specific shape of the protrusion 2222 is not limited here.

[0140] In some embodiments, please refer to Figures 4 to 8 The protrusion 2222 includes a planar segment 2223, the planar segment 2223 having micropores 22a, and the planar segment 2223 being in contact with the second liquid guiding member 212.

[0141] For example, the plane containing the planar segment 2223 is parallel to the plane containing the flat plate portion 2221.

[0142] For example, the planar segment 2223 is located in the middle region of the protrusion 2222.

[0143] It is understandable that the ultrasonic atomizing plate 22 is connected to the piezoelectric ceramic 221 through the flat plate portion 2221, while the protrusion portion 2222 atomizes the aerosol generation matrix through vibration. As a result, the vibration at the center of the protrusion portion 2222 is relatively large.

[0144] In this embodiment, the protrusion 2222 is configured to include a planar segment 2223, which helps to improve the structural strength of the protrusion 2222 and thus improve the reliability of the protrusion 2222. In addition, the planar segment 2223 is more conducive to the fit between the protrusion 2222 and the second liquid guide 212, for example, it helps to increase the contact area between the two, thereby improving the stability of liquid supply during continuous, frequent, and multi-port suction of the ultrasonic atomizing device 1000, and can also improve the problem of the liquid guide 21 collapsing during the vibration of the ultrasonic atomizing plate 22.

[0145] In some embodiments, please refer to Figure 8 The protrusion 2222 includes a curved section 2224, which is arranged around the periphery of the planar section 2223. The planar section 2223 has the micropores 22a formed thereon.

[0146] In other words, the middle area of ​​the protrusion 2222 is a planar segment 2223, and the planar segment 2223 is connected to the flat plate 2221 through the curved surface segment 2224.

[0147] In this embodiment, the protrusion 2222 is configured to include a planar segment 2223 and a curved segment 2224. The curved segment 2224 is advantageous for using the metal microporous sheet 22a to vibrate in the direction intersecting with the first direction to atomize the aerosol generation matrix into aerosol, thereby improving the utilization rate of the vibration mechanical energy of the metal microporous sheet 22a and thus improving the atomization efficiency.

[0148] In some embodiments, please refer to Figures 7 to 8 On the projection plane perpendicular to the first direction, the diameter of the projection of the protrusion 2222 is D, and the dimension of the protrusion 2222 in the first direction is H, where 0.05≤H / D≤0.15.

[0149] Here, H / D can be any one of the following point values: 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.11, 0.12, 0.13, 0.14, 0.15, or any point value between two of them.

[0150] For example, the first direction is the thickness direction of the metal microporous sheet 22a.

[0151] Here, on the projection plane perpendicular to the first direction, the diameter of the projection of the protrusion 2222 and the size of the protrusion 2222 in the first direction are related to the atomization amount. That is, in this embodiment, for the metal microporous 22a sheet provided with the protrusion 2222, setting the H / D range to 0.05-0.15 is beneficial to improve the atomization amount.

[0152] Here, the dimension H of the protrusion 2222 in the first direction and the diameter D of the projection of the protrusion 2222 are as follows: Figure 8 As shown.

[0153] In some embodiments, the protrusion 2222 has a dimension H in the first direction, where 0.2 mm ≤ H ≤ 1 mm. That is, the dimension of the protrusion 2222 in the first direction is greater than or equal to 0.2 mm and less than or equal to 1 mm.

[0154] Here, in the embodiment where the plane of the flat plate portion 2221 of the metal microporous plate 22a is perpendicular to the height direction of the atomizer 100, the thickness direction of the metal microporous plate 22a is the height direction of the atomizer 100.

[0155] The dimension of the protrusion 2222 in the thickness direction of the ultrasonic atomizing sheet 22 can be any one of 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.48mm, 0.5mm, 0.55mm, 0.58mm, 0.6mm, 0.65mm, 0.68mm, 0.7mm, 0.75mm, 0.78mm, 0.8mm, 0.85mm, 0.88mm, 0.9mm, 0.95mm, 0.97mm, and 1mm, or any value between two of them.

[0156] In this embodiment, by setting the dimension in the first direction to 0.2mm-1mm, the protrusion 2222 has a moderate dimension within this range, which not only has good atomization efficiency but also improves the structural strength of the protrusion 2222, thereby improving its reliability. It also facilitates the conduction of the aerosol generation matrix to the protrusion 2222 by the liquid guiding component 21. In addition, it is beneficial to increase the atomization amount.

[0157] In some embodiments, on a projection plane perpendicular to the first direction, the diameter of the projection of the protrusion 2222 is D, where 3mm ≤ D ≤ 8mm. That is, the diameter of the projection of the protrusion 2222 is greater than or equal to 3mm and less than or equal to 8mm.

[0158] On the projection plane perpendicular to the first direction, the diameter of the projection of the protrusion 2222 can be any one of 3mm, 3.3mm, 3.5mm, 4mm, 4.2mm, 4.5mm, 5mm, 5.5mm, 5.8mm, 6mm, 6.5mm, 6.8mm, 7mm, 7.3mm, 7.5mm, 8mm, or any value between two of them.

[0159] In this embodiment, on the projection surface perpendicular to the first direction, by setting the diameter of the projection of the protrusion 2222 to 3mm-8mm, the inner diameter within this range is moderate, which not only has good atomization efficiency and atomization amount, but also improves the structural compactness of the atomizer 100.

[0160] In some embodiments, please refer to Figures 6 to 8 The protrusion 2222 includes a micropore region 22b with micropores 22a formed thereon. On the projection plane perpendicular to the first direction, the equivalent diameter of the projection of the micropore region 22b is D1, where 2mm≤D1≤4mm.

[0161] Here, the equivalent diameter refers to the diameter of a non-circular object whose area is the same as that of a circular object. Of course, in the embodiment where the projection of the protrusion 2222 is circular, the equivalent diameter is the diameter of the projection of the protrusion 2222.

[0162] For example, the protrusion 2222 also includes a non-porous region without micropores 22a.

[0163] On the projection plane perpendicular to the first direction, the equivalent diameter of the projection of the micropore region 22b can be any one of 2mm, 2.5mm, 3mm, 3.5mm, and 4mm, or any value between two of them.

[0164] In this embodiment, on the projection plane perpendicular to the first direction, by setting the equivalent diameter of the projection of the microporous region 22b to 2mm-4mm, it is beneficial to ensure that the metal microporous sheet 22a has sufficient structural strength, and also to improve the atomization efficiency and atomization amount.

[0165] In some embodiments, please refer to Figures 3 to 4 The micropore 22a includes a liquid suction port on the side opposite to the piezoelectric ceramic 221. The pore size of the liquid suction port is D3, where 20μm≤D3≤40μm.

[0166] The aperture of the suction port can be any one of 20μm, 21μm, 22μm, 23μm, 24μm, 25μm, 26μm, 27μm, 28μm, 29μm, 30μm, 31μm, 32μm, 33μm, 34μm, 35μm, 36μm, 37μm, 38μm, 39μm, 40μm or any value between two of them.

[0167] The liquid suction port is located on the side of the metal microporous plate 22a away from the piezoelectric ceramic 221, that is, the liquid suction port is located on the liquid suction surface of the metal microporous plate 22a.

[0168] In this embodiment, by setting the pore size of the suction port to 20μm-40μm, the aerosol generating matrix can be improved to enter the micropore 22a through the suction port to atomize the aerosol generating matrix. This improves the atomization efficiency and atomization amount. At the same time, it also helps the ultrasonic atomizing plate 22 to act as a seal when the atomizer 100 is not working. In this way, the atomization of the aerosol generating matrix is ​​not affected, the volatilization of the aroma of the aerosol generating matrix is ​​reduced, and the possibility of leakage in the liquid storage chamber 100a is reduced.

[0169] In some embodiments, please refer to Figures 3 to 4 The distance between adjacent suction ports is L1, where 30μm≤L1≤100μm.

[0170] The spacing between adjacent aspiration ports can be any one of the following values ​​or any combination of two: 30μm, 31μm, 32μm, 33μm, 34μm, 35μm, 36μm, 37μm, 38μm, 39μm, 40μm, 43μm, 45μm, 50μm, 52μm, 55μm, 60μm, 65μm, 68μm, 70μm, 73μm, 75μm, 80μm, 85μm, 88μm, 90μm, 92μm, 95μm, and 100μm.

[0171] In this embodiment, by setting the spacing between adjacent suction ports to 30μm-100μm, the aerosol generating matrix can be improved to enter the micropores 22a through the suction ports to atomize the aerosol generating matrix. This improves the atomization efficiency and atomization amount, while also giving the ultrasonic atomizing sheet 22 a certain structural strength.

[0172] In some embodiments, please refer to Figures 3 to 4 The micropore 22a includes a mist outlet facing the piezoelectric ceramic 221. The pore size of the mist outlet is D2, where 1μm≤D2≤2μm.

[0173] The aperture of the mist outlet can be any one of 1μm, 1.1μm, 1.2μm, 1.3μm, 1.4μm, 1.5μm, 1.6μm, 1.7μm, 1.8μm, 1.9μm, or 2μm, or any value between two of them.

[0174] It should be noted that large aerosol particles can affect the user's taste experience. Therefore, the pore size of the micropores 22a needs to be appropriate so that the particle size of the aerosol formed after vibration and atomization by the ultrasonic atomizing plate 22 is appropriate.

[0175] The mist outlet is located on the side of the metal micropore 22a facing the piezoelectric ceramic 221, which means that the liquid suction port is located on the liquid suction surface of the metal micropore 22a.

[0176] In this embodiment, by setting the aperture of the mist outlet of the micropore 22a to between 1μm and 2μm, the aperture of the mist outlet within this range is moderate, so that the aerosol particles formed after the ultrasonic atomizing plate 22 vibrates and atomizes through the aperture of the micropore 22a within this range are moderate. This not only has good atomization efficiency and atomization amount, but also ensures that the particle size of the aerosol is appropriate, and also reduces the volatilization of the aroma of the aerosol generation matrix and reduces the possibility of leakage.

[0177] In some embodiments, please refer to Figures 6 to 8 The dimension of the flat plate 2221 in the first direction is H1, 0.03mm≤H1≤0.08mm.

[0178] Here, the dimension of the flat plate 2221 in the first direction is the wall thickness of the metal micro-hole 22a sheet.

[0179] Here, the dimension of the plate portion 2221 in the first direction can be any one of 0.03mm, 0.04mm, 0.05mm, 0.06mm, 0.07mm, and 0.08mm, or any value between two of them.

[0180] The larger the size of the plate portion 2221 in the first direction, the greater the structural strength of the metal microporous plate 22a; the smaller the size of the plate portion 2221 in the first direction, the more beneficial it is to improve the vibration frequency of the metal microporous plate 22a.

[0181] In this embodiment, by setting the size of the plate portion 2221 in the first direction to 0.03mm-0.08mm, the size within this range is moderate. This not only ensures that the metal microporous sheet 22a has sufficient structural strength, but also helps to improve the toughness of the metal microporous sheet 22a, thereby increasing the vibration frequency of the metal microporous sheet 22a.

[0182] In some embodiments, please refer to Figures 6 to 8On the projection plane perpendicular to the first direction, the equivalent diameter of the projection of the flat plate portion 2221 is D4, 13mm≤D4≤14mm.

[0183] Here, on the projection plane perpendicular to the first direction, the equivalent diameter of the projection of the flat plate portion 2221 can be a point value of any one of 13mm, 13.5mm, 13.7mm, and 14mm, or a point value between any two.

[0184] In this embodiment, on the projection plane perpendicular to the first direction, the equivalent diameter of the projection of the flat plate portion 2221 is set to 13mm-14mm. The equivalent diameter within this range is appropriate, which not only makes the atomizer 100 have a certain atomization efficiency and atomization amount, but also helps to improve the structural compactness of the atomizer 100.

[0185] In some embodiments, please refer to Figure 6 The diameter of the bypass through hole 2211 is D5, 4mm≤D5≤6mm.

[0186] Here, the diameter of the clearance through hole 2211 can be any one of 4mm, 4.2mm, 4.5mm, 4.7mm, 5mm, 5.3mm, 5.5mm, 5.8mm, and 6mm, or any value between two of them.

[0187] In this embodiment, by setting the aperture of the avoidance through hole 2211 to 4mm-6mm, the atomizer 100 can have a certain atomization efficiency and atomization amount, while also improving the structural compactness of the atomizer 100.

[0188] In some embodiments, please refer to Figure 6 The outer diameter of the piezoelectric ceramic 221 is D6, and 13mm≤D6≤14mm.

[0189] Here, the outer diameter of the piezoelectric ceramic 221 can be any one of 13mm, 13.5mm, 13.7mm, and 14mm, or any value between two of them.

[0190] In this embodiment, by setting the outer diameter of the piezoelectric ceramic 221 to 13mm-14mm, the outer diameter within this range is appropriate. This not only enables the atomizer 100 to have a certain atomization efficiency and atomization amount, but also helps to improve the structural compactness of the atomizer 100.

[0191] In some embodiments, please refer to Figure 6 The piezoelectric ceramic 221 has a dimension H2 in the first direction, where 0.4 mm ≤ H2 ≤ 0.8 mm.

[0192] The dimension of the piezoelectric ceramic 221 in the first direction can be any one of 0.4mm, 0.43mm, 0.45mm, 0.5mm, 0.52mm, 0.55mm, 0.6mm, 0.65mm, 0.68mm, 0.7mm, 0.73mm, 0.75mm, or 0.8mm, or any value between two of them.

[0193] In some embodiments, please refer to Figures 2 to 5 The central axis of the protrusion 2222 is parallel to the central axis of the air outlet channel 30a.

[0194] For example, the central axis of the protrusion 2222 coincides with the central axis of the air outlet channel 30a. Considering assembly tolerances and manufacturing errors of parts, the coincidence here can be complete or approximately coincident.

[0195] In this embodiment, by setting the central axis of the protrusion 2222 to be parallel to the central axis of the air outlet channel 30a, the protrusion 2222 can be directly facing the air outlet channel 30a. In this way, the aerosol generated by the atomization of the aerosol by the protrusion 2222 can directly enter the air outlet channel 30a, which improves the situation where the aerosol contacts the side wall of the air outlet channel 30a and forms condensate, which helps to reduce the generation of condensate and thus improves the atomization efficiency.

[0196] In some embodiments, please refer to Figures 2 to 3 On the projection plane perpendicular to the first direction, the projection of the protrusion 2222 is located within the projection range of the air outlet channel 30a.

[0197] In other words, on a cross section perpendicular to the height direction of the atomizer 100, the cross-sectional dimension of the protrusion 2222 is smaller than the cross-sectional dimension of the air outlet channel 30a.

[0198] In this embodiment, on the projection plane perpendicular to the first direction, by placing the projection of the protrusion 2222 within the projection range of the air outlet channel 30a, the aerosol generated by the atomized aerosol from the protrusion 2222 can directly enter the air outlet channel 30a. This improves the situation where the aerosol contacts the side wall of the air outlet channel 30a or the cavity wall of the atomization chamber 10a to form condensate, further reducing the generation of condensate and further improving the atomization efficiency.

[0199] In some embodiments, please refer to Figures 3 to 4 The central axes of the micropore 22a, the metal micropore 22a sheet, and the piezoelectric ceramic 221 are parallel.

[0200] For example, the central axes of the micro-hole 22a, the metal micro-hole 22a sheet, and the piezoelectric ceramic 221 are parallel. Considering assembly tolerances and manufacturing errors of components, the parallelism described here can be completely parallel or approximately parallel.

[0201] In this embodiment, by setting the central axes of the micropores 22a, the metal micropore sheet 22a, and the piezoelectric ceramic 221 to be parallel, the micropores 22a of the protrusion 2222 can be aligned with the air outlet channel 30a. In this way, the aerosol generated by the atomization of the aerosol from the protrusion 2222 can directly enter the air outlet channel 30a, improving the situation where the aerosol contacts the sidewall of the air outlet channel 30a to form condensate, which helps to reduce the generation of condensate and thus improve atomization efficiency.

[0202] In some embodiments, the dynamic viscosity of the aerosol generating matrix at room temperature ranges from 1 cp to 4 cp.

[0203] The dynamic viscosity range of the aerosol generating matrix can be any point value among 1cp, 1.2cp, 1.5cp, 1.8cp, 2cp, 2.2cp, 2.5cp, 2.8cp, 3cp, 3.5cp, 3.8cp, and 4cp, or any point value between two of them.

[0204] In some embodiments, the ultrasonic atomizing plate 22 operates at a frequency of 120kHz-160kHz.

[0205] The operating frequency of the ultrasonic atomizing plate 22 can be any one of 120kHz, 125kHz, 130kHz, 135kHz, 140kHz, 145kHz, 150kHz, 155kHz, 160kHz or any value between two of them.

[0206] In this embodiment, by setting the operating frequency of the ultrasonic atomizing plate 22 to 120kHz-160kHz, the atomizer 100 can have a certain atomization efficiency and atomization amount, and the ultrasonic atomizing plate 22 can also have a certain service life at this operating frequency.

[0207] In some embodiments, the resonant impedance of the ultrasonic atomizing plate 22 is less than 100Ω.

[0208] In some embodiments, the driving voltage of the ultrasonic atomizing plate 22 is 60Vpp-100Vpp.

[0209] The driving voltage of the ultrasonic atomizing plate 22 can be any one of 60Vpp, 65Vpp, 70Vpp, 75Vpp, 80Vpp, 85Vpp, 90Vpp, 95Vpp, and 100Vpp, or any value between two of them.

[0210] Here, by setting the operating frequency of the ultrasonic atomizing plate 22 to 120kHz-160kHz, setting the resonant impedance of the ultrasonic atomizing plate 22 to less than 100Ω, and setting the driving voltage of the ultrasonic atomizing plate 22 to 60Vpp-100Vpp, the atomizer 100 can have better atomization efficiency and atomization volume.

[0211] To address the issue of low atomization volume (less than 8 mg / 3 s) in related technologies, this application provides an ultrasonic atomizing plate 22, an atomizer 100, and an ultrasonic atomizing device 1000. The ultrasonic atomizing plate 22, atomizer 100, and ultrasonic atomizing device 1000 utilize a high-performance ultrasonic atomizing plate 22, and the protrusions 2222 and micropores 22a of the ultrasonic atomizing plate 22 are designed to achieve a large atomization volume, making it suitable for water-based ultrasonic atomizing device 1000 products.

[0212] In the description of this application, the references to terms such as "in one embodiment," "in some embodiments," "in other embodiments," "in yet another embodiment," or "exemplary," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine the different embodiments or examples described in this application, as well as the features of the different embodiments or examples.

[0213] The above description is merely a preferred embodiment of this application and is not intended to limit the application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application are included within the scope of protection of this application.

Claims

1. An atomizer characterized by, The application relates to an ultrasonic atomization sheet, comprising a piezoelectric ceramic and a metal microporous sheet, wherein a middle region of the piezoelectric ceramic is provided with a relief through hole, the metal microporous sheet comprises a flat plate part and a convex part, the flat plate part is attached to the piezoelectric ceramic, the convex part corresponds to the relief through hole, the convex part is provided with a plurality of through micropores, and the metal microporous sheet atomizes an aerosol generating substrate into an aerosol during vibration. The liquid guide comprises a first liquid guide and a second liquid guide arranged along a first direction, the second liquid guide is arranged between the first liquid guide and the metal microporous sheet, and the second liquid guide is attached to the convex part; the second liquid guide is a fiber piece, and the extending direction of the fibers of the second liquid guide is perpendicular to the first direction. The convex part comprises a curved section and a flat section, the curved section is annularly arranged on the periphery of the flat section, the flat section is formed with the micropores, and the flat section is attached to the second liquid guide.

2. The atomizer of claim 1, wherein, The first liquid guide comprises at least one of cotton, hemp, bamboo, wood, polyamide, polyethylene terephthalate, cellulose acetate, polytrimethylene terephthalate, polybutylene terephthalate, dissolvable fiber, wool and silk; and / or 3. The atomizer of claim 1, wherein, The second liquid guide comprises at least one of cotton, hemp, bamboo, wood, polyamide, polyethylene terephthalate, cellulose acetate, polytrimethylene terephthalate, polybutylene terephthalate, dissolvable fiber, wool and silk. The size of the second liquid guide in the first direction is 0.1mm-0.5mm; and / or 4. The atomizer of claim 1, wherein, The first liquid guide is a fiber piece, and the extending direction of the fibers of the first liquid guide is parallel to the first direction. The metal microporous sheet is arranged on one side of the second liquid guide along the first direction; 5. The atomizer of claim 1, wherein, In a projection plane perpendicular to the first direction, the diameter of the projection of the convex part is D, and 3mm<=D<=8mm; and / or The size of the convex part in the first direction is H, and 0.2mm<=H<=1mm. In a projection plane perpendicular to the first direction, the diameter of the projection of the convex part is D, the size of the convex part in the first direction is H, and 0.05<=H / D<=0.15; and / or 6. The atomizer of claim 1, wherein, The convex part comprises a microporous region formed with the micropores, in a projection plane perpendicular to the first direction, the equivalent diameter of the projection of the microporous region is D1, and 2mm<=D1<=4mm; and / or The micropores comprise mist outlets on the side facing the piezoelectric ceramic, and the pore diameter of the mist outlets is D2, and 1um<=D2<=2um. The micropores comprise liquid suction openings on the side away from the piezoelectric ceramic; 7. The atomizer of claim 1, wherein, The pore diameter of the liquid suction openings is D3, and 20um<=D3<=40um; and / or The spacing between adjacent liquid suction openings is L1, and 30um<=L1<=100um; and / or The size of the flat plate part in the first direction is H1, and 0.03mm<=H1<=0.08mm; and / or ​ An equivalent diameter of a projection of the flat plate portion on a projection plane perpendicular to the first direction is D4, and 13 mm≤D4≤14 mm.

8. The atomizer of claim 1, wherein, The material of the metal microporous sheet includes at least one of stainless steel, titanium, titanium alloy, nickel, nickel-cobalt alloy, or palladium-nickel alloy; and / or, The material of the piezoelectric ceramic includes at least one of lead zirconate titanate, potassium sodium niobate, or barium calcium zirconate titanate.

9. The atomizer of claim 1, wherein, A hole diameter of the avoidance through hole is D5, and 4 mm≤D5≤6 mm; and / or, An outer diameter of the piezoelectric ceramic is D6, and 13 mm≤D6≤14 mm; and / or, A size of the piezoelectric ceramic in the first direction is H2, and 0.4 mm≤H2≤0.8 mm; and / or, Centers of the micropore, the metal microporous sheet, and the piezoelectric ceramic are parallel.

10. The atomizer of claim 1, wherein, A working frequency of the ultrasonic atomization sheet is 120 kHz-160 kHz; and / or, A resonant impedance of the ultrasonic atomization sheet is less than 100 Ω; and / or, A driving voltage of the ultrasonic atomization sheet is 60 Vpp-100 Vpp; and / or, A dynamic viscosity of the aerosol generating substrate at room temperature ranges from 1 cp to 4 cp.

11. The atomizer of claim 1, wherein, The atomizer comprises: A housing, an air outlet channel is formed in the housing and extends along a height direction of the atomizer; An atomization seat, at least a portion of the atomization seat is arranged in the housing; a liquid storage cavity is arranged in the housing and is used to store the aerosol generating substrate; the atomization seat forms an atomization cavity and a liquid inlet channel, the atomization cavity communicates with the air outlet channel, a liquid inlet of the liquid inlet channel communicates with the liquid storage cavity, and a liquid outlet of the liquid inlet channel communicates with the liquid guide piece in liquid; The ultrasonic atomization sheet is opposite to the air outlet channel, the ultrasonic atomization sheet is located between the air outlet channel and the liquid guide piece, and the first direction is the height direction of the atomizer.

12. An ultrasonic atomization device, characterized by, The atomizer comprises a power supply assembly and the atomizer according to any one of claims 1-11, the power supply assembly is electrically connected with the atomizer.

Images