Electronic atomization device and atomizer thereof

Abstract

The present application relates to an electronic atomization device and an atomizer thereof, the atomizer comprising a liquid storage shell with a liquid storage cavity formed inside, a base arranged at one end of the liquid storage shell, and a sealing member arranged in the liquid storage shell and sleeved on the base. The sealing member is provided with an air inlet through hole, the air inlet through hole comprising an air inlet section facing the base and an air outlet section away from the base, and the cross-sectional area of the air inlet section is greater than that of the air outlet section. During air intake, the airflow can be gathered during the process from the air inlet section to the air outlet section, thereby increasing the flow rate, so that the aerosol can be quickly taken out by the airflow. When the suction is stopped, the smoke flows back under the action of negative pressure, and the flow rate of the smoke decreases when flowing from the air outlet section to the air inlet section, thereby reducing the backflow of smoke and further reducing the condensate generated by the backflow of smoke. In addition, the cross-sectional area of the air outlet section is small, and the condensate is not easy to leak out through the air outlet section, thereby reducing the liquid leakage.

Description

[0001] This application is a divisional application of the invention patent application filed on January 17, 2022, with application number 202210051504.0 and title "Electronic Atomizing Device and Atomizer Thereof". Technical Field

[0002] This invention relates to the field of atomization, and more specifically, to an electronic atomizing device and its atomizer. Background Technology

[0003] Electronic atomizing devices mainly consist of an atomizer and a power supply. Most existing atomizers use a sealing ring for the base, and the air inlet holes on the sealing ring are mostly straight-through holes, which are not very effective at preventing leakage. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an improved atomizer and an electronic atomizing device having the atomizer, in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the present invention to solve its technical problem is: to construct an atomizer, including a liquid storage shell with a liquid storage cavity formed inside, a base disposed at one end of the liquid storage shell, and a sealing member disposed in the liquid storage shell and sleeved on the base; The sealing element is provided with an air inlet hole, which includes an air inlet section facing the base and an air outlet section away from the base. The cross-sectional area of ​​the air inlet section is larger than that of the air outlet section.

[0006] In some embodiments, the air intake section and the air outlet section are connected by a smooth transition.

[0007] In some embodiments, the cross-sectional shape of the intake section may be the same as or different from the cross-sectional shape of the outlet section.

[0008] In some embodiments, the seal includes a body portion and a boss portion. The body portion is annular and is sealed between the base and the liquid storage shell. The two opposite sides of the boss portion are respectively connected to the two opposite sides of the body portion. The air inlet is formed on the boss portion.

[0009] In some embodiments, the upper end face of the air inlet hole is higher than the upper end face of the boss portion.

[0010] In some embodiments, the two opposite sides of the boss portion are respectively connected to the two short sides of the body portion.

[0011] In some embodiments, clearance holes are formed between the other two opposite sides of the boss portion and the other two opposite sides of the body portion.

[0012] In some embodiments, the boss portion is further provided with a guide groove that connects the air intake hole and the clearance hole.

[0013] In some embodiments, the seal further includes two sleeve portions that extend from two other opposite sides of the body portion in a direction away from the base.

[0014] In some embodiments, the two socket portions are respectively disposed on the long side of the body portion.

[0015] In some embodiments, the two socket portions, the body portion, and the boss portion are integrally formed.

[0016] In some embodiments, an air intake channel communicating with the air intake section is formed on the base.

[0017] In some embodiments, the base includes an air intake boss, and the air intake channel includes a plurality of air intake holes formed on the air intake boss.

[0018] In some embodiments, the cross-sectional area of ​​the air outlet at the end of the air outlet section away from the air inlet section is smaller than the cross-sectional area of ​​the air inlet boss.

[0019] In some embodiments, the plurality of air inlet holes includes a plurality of first air inlet holes and a plurality of second air inlet holes surrounding the plurality of first air inlet holes, wherein the air inlet cross-sectional areas of the first air inlet holes and the second air inlet holes are different.

[0020] In some embodiments, the surface of the air intake boss facing the liquid storage cavity is convex.

[0021] In some embodiments, the atomizer further includes a liquid absorber disposed in the liquid storage shell, wherein an atomizing chamber communicating with the air outlet section is formed between the liquid absorber and the sealing member.

[0022] In some embodiments, the atomizer further includes a heating element disposed in the liquid storage shell and connected to the base, wherein the liquid is contained between the heating element and the base.

[0023] The present invention also provides an electronic atomizing device, comprising the atomizer described in any of the above claims and a power supply device electrically connected to the atomizer.

[0024] Implementing this invention has at least the following beneficial effects: during air intake, the airflow can be gathered and its velocity increased as it moves from the intake section to the outlet section, allowing the aerosol to be quickly carried out by the airflow; when suction stops, the flue gas flows back under negative pressure, and the flue gas velocity decreases as it moves from the outlet section to the intake section, thereby reducing flue gas backflow and thus reducing the condensate generated by flue gas backflow; in addition, the cross-sectional area of ​​the outlet section is small, making it less likely for condensate to leak out through the outlet section, thereby reducing leakage. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings: Figure 1 This is a three-dimensional structural schematic diagram of the electronic atomizing device in some embodiments of the present invention; Figure 2 This is a schematic diagram of the longitudinal cross-sectional structure of the atomizer in the first embodiment of the present invention; Figure 3 yes Figure 2 A three-dimensional structural diagram of the heating element; Figure 4 yes Figure 3 A schematic diagram of the AA cross-sectional structure of the heating component shown. Figure 5 yes Figure 3 A schematic diagram of the BB cross-sectional structure of the heating component shown. Figure 6 yes Figure 3 The exploded structural diagram of the heating component is shown. Figure 7 yes Figure 6 A three-dimensional structural diagram of the central base; Figure 8 yes Figure 7 The simulated noise distribution cloud map of the base shown; Figure 9 yes Figure 6 A three-dimensional structural diagram of the central sealing component; Figure 10 yes Figure 6 A three-dimensional structural diagram of the heating element; Figure 11 yes Figure 10 Side view of the heating element shown; Figure 12 It shows Figure 3 The diagram shows the gas-liquid two-phase distribution of the liquid storage and gas exchange structure when the pumping stops during the simulation analysis of the heating component shown. Figure 13 It shows Figure 3 The diagram shows the air exchange pressure curve of the heating element. Figure 14A three-dimensional structural schematic diagram of a heating component in some embodiments of the prior art is shown; Figure 15 It shows Figure 14 The diagram shows the air exchange pressure curve of the heating element. Figure 16 A top view of the base in the first alternative of the present invention is shown; Figure 17 yes Figure 16 The simulated noise distribution cloud map of the base shown; Figure 18 A top view of the base is shown in some embodiments of the prior art; Figure 19 yes Figure 18 The simulated noise distribution cloud map of the base shown; Figure 20 A three-dimensional structural schematic diagram of the base in the second alternative embodiment of the present invention is shown; Figure 21 yes Figure 20 A schematic diagram of the longitudinal structure of the base shown; Figure 22 It shows Figure 21 A schematic diagram of the condensate flow on the base shown. Figure 23 A three-dimensional structural schematic diagram of the seal of the third alternative embodiment of the present invention is shown; Figure 24 A three-dimensional structural schematic diagram of the seal of the fourth alternative embodiment of the present invention is shown. Detailed Implementation

[0026] To provide a clearer understanding of the technical features, objectives, and effects of the present invention, specific embodiments are now described in detail with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the invention. However, the invention can be practiced in many ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0027] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention 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. Therefore, they should not be construed as limitations on this invention.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0031] Figure 1 An electronic atomizing device 1 according to some embodiments of the present invention is shown. This electronic atomizing device 1 can be used for inhaling aerosols and may include an atomizer 100 and a power supply 200 electrically connected to the atomizer 100. The power supply 200 supplies power to the atomizer 100, which contains a liquid matrix and heats and atomizes the liquid matrix to generate an aerosol upon energization. The atomizer 100 is longitudinally disposed above the power supply 200 and may be detachably or non-detachably connected to the power supply 200.

[0032] like Figure 2As shown, the atomizer 100 in the first embodiment of the present invention may include a liquid storage shell 10 and a heating element 20 housed within the liquid storage shell 10. The liquid storage shell 10 has a liquid storage cavity 110 for storing a liquid matrix and an air outlet channel 120 for discharging aerosols. The heating element 20 includes a base assembly 30, an atomizing core 40, and a heating seat assembly 50, wherein the atomizing core 40 is housed in the space formed between the base assembly 30 and the heating seat assembly 50. The atomizing core 40 is in liquid-conducting communication with the liquid storage cavity 110 and in air-conducting communication with the air outlet channel 120, for heating and atomizing the liquid matrix adsorbed from the liquid storage cavity 110 to generate aerosols. An atomizing cavity 420 is formed between the base assembly 30 and the atomizing core 40 for mixing the aerosols and air.

[0033] Specifically, the liquid storage shell 10 may include a shell 11 with an opening at the lower end and an outlet pipe 12 disposed longitudinally in the shell 11. The shell 11 is cylindrical, and its cross-section may be approximately a narrow and elongated ellipse or a racetrack shape. An annular liquid storage cavity 110 is defined between the inner wall surface of the shell 11 and the outer wall surface of the outlet pipe 12.

[0034] The vent pipe 12 is connected to the inner side of the top wall of the housing 11 and can be coaxially arranged with the housing 11. The inner wall surface of the vent pipe 12 defines the vent channel 120. In this embodiment, the vent pipe 12 and the housing 11 are integrally formed, for example, by injection molding. In other embodiments, the vent pipe 12 and the housing 11 can also be formed separately and then assembled together.

[0035] like Figure 2-7 As shown, the atomizing core 40 includes a liquid absorber 41 and a heating element 42 disposed on the liquid absorber 41. The liquid absorber 41 is in liquid-conducting communication with the liquid storage chamber 110, and is used to draw liquid matrix from the liquid storage chamber 110 and conduct the liquid matrix to the heating element 42. The heating element 42 is electrically connected to the power supply device 200, and is used to heat and atomize the liquid matrix adsorbed in the liquid absorber 41 to generate an aerosol after being powered on.

[0036] The liquid absorber 41 can be made of porous absorbent ceramic, absorbent cotton, or other materials with a porous capillary structure. The liquid absorber 41 has an absorbent surface 411 and a heating surface 412. The heating surface 412 is used to house the heating element 42, and the absorbent surface 411 absorbs the liquid matrix from the liquid storage chamber 110 and conducts the liquid matrix to the heating surface 412 through the porous capillary structure inside the liquid absorber 41. Specifically, in this embodiment, the liquid absorber 41 is a bowl-shaped porous absorbent ceramic. The absorbent surface 411 is located on the side of the liquid absorber 41 facing the liquid storage chamber 110, and the heating surface 412 is located on the side of the liquid absorber 41 away from the liquid storage chamber 110. The heating element 42 is disposed on the heating surface 412, that is, the heating element 42 is disposed on the side of the liquid absorber 41 facing the base assembly 30.

[0037] The base assembly 30 may include a base 31 and electrode posts 33 extending longitudinally through the base 31. The base 31 is fitted into the lower opening of the housing 11 to seal and cover the lower opening of the housing 11. The base 31 may include a plate-shaped main body 311, a cylindrical sidewall 312 extending upward from the outer periphery of the main body 311, and two spaced-apart support arms 314 extending upward from the upper end face of the main body 311. The two support arms 314 may be located on opposite sides of the main body 311 along its length and may be used to engage with the heating base 52. The upper end face of the main body 311 and the inner wall face of the cylindrical sidewall 312 define a liquid storage space 3120, which can store a certain amount of condensate to further reduce leakage.

[0038] Furthermore, the base 31 also includes an air intake protrusion 313 extending upward from the upper end face of the main body 311. The air intake protrusion 313 is disposed in the cylindrical sidewall 312, and its two outer wall surfaces along the width direction can be integrated with the two inner wall surfaces along the width direction of the cylindrical sidewall 312. The top surface of the air intake protrusion 313 is recessed to form a plurality of air intake holes 3130, so that outside air can enter the atomization chamber 420. The plurality of air intake holes 3130 can be arranged in an array, which, while ensuring sufficient air intake, can also reduce liquid leakage by forming a surface tension film on the plurality of air intake holes 3130. In addition, since the air intake holes 3130 are formed on the air intake protrusion 313, the upper end face of the air intake holes 3130 is higher than the bottom surface of the liquid storage space 3120, thereby further reducing the risk of liquid leakage from the air intake holes 3130.

[0039] Further, the plurality of air intake holes 3130 may include a plurality of first air intake holes 3131 and a plurality of second air intake holes 3132 surrounding the plurality of first air intake holes 3131. The plurality of first air intake holes 3131 and the plurality of second air intake holes 3132 may be arranged in a ring (e.g., circular ring, elliptical ring, square ring, or polygonal ring, etc.) array with equal spacing. The number of first air intake holes 3131 may be less than the number of second air intake holes 3132. In some embodiments, the number of first air intake holes 3131 may be 3 to 6, and the number of second air intake holes 3132 may be 6 to 15. In this embodiment, there are four first air intake holes 3131, and the four first air intake holes 3131 are evenly and symmetrically distributed along the center of the air intake boss 313; there are ten second air intake holes 3132, and the ten second air intake holes 3132 are evenly and symmetrically distributed along the center of the air intake boss 313.

[0040] The first air inlet 3131 and the second air inlet 3132 have different air inlet cross-sectional areas. By setting the multiple air inlets 3130 in a form with unequal cross-sections, aerodynamic noise can be reduced. Further, in this embodiment, the air inlet cross-sectional area of ​​the first air inlet 3131 is smaller than that of the second air inlet 3132, and the plurality of first air inlets 3131 and the plurality of second air inlets 3132 are all arranged in a ring array. That is, in this embodiment, the structure of the air inlets 3130 is in the form of "large holes on the outer periphery and small holes in the middle". The air inlet cross-sectional area of ​​the plurality of first air inlets 3131 located in the inner ring is smaller, which can effectively reduce the leakage of condensate; the air inlet cross-sectional area of ​​the plurality of second air inlets 3132 located in the outer ring is larger, which can balance the suction resistance and noise to ensure sufficient air inlet area and appropriate suction resistance.

[0041] The lower end face of the main body 311 may also be concave to form an air inlet 3110. The air inlet 3110 extends longitudinally, and its upper end is connected to the lower end of the plurality of small air inlets 3130, thereby forming an air intake channel 315 that allows outside air to enter the atomizing chamber 420. Furthermore, the air intake cross-sectional area of ​​the air inlet 3110 is larger than the sum of the air intake cross-sectional areas of the plurality of small air inlets 3130.

[0042] The main body 311 is also provided with electrode through holes 3111 for the electrode posts 33 to pass through. There are typically two electrode posts 33, each electrically connected to the two poles of the heating element 42. The upper end face of the electrode post 33 is in contact with and conductively connected to the heating element 42. Furthermore, the electrode post 33 also serves to support the atomizing core 40. Correspondingly, there are two electrode through holes 3111, with the two electrode posts 33 respectively passing longitudinally through the two electrode through holes 3111. In this embodiment, the two electrode through holes 3111 are located in the cylindrical sidewall 312 and can be located on both sides of the air intake protrusion 313 along its length. Further, the upper end face of each electrode through hole 3111 can be higher than the bottom surface of the liquid storage space 3120, thereby reducing the risk of liquid leakage from the electrode through hole 3111.

[0043] In some embodiments, the atomizer 100 may also include a fixing cover 60, which is sleeved on the base 31 and the lower end of the housing 11 to fix the base 31. Further, the fixing cover 60 can be snapped into the housing 11, thereby fixing the fixing cover 60 to the housing 11. The fixing cover 60 may be made of metal, which exhibits less thermal expansion and contraction with temperature changes, making the fixing between the various components of the atomizer 100 more stable and reliable, and improving the sealing performance. In addition, the metal fixing cover 60 can also be used for magnetic connection with the power supply device 200. Understandably, in other embodiments, the fixing cover 60 may not be provided, and the base 31 and the housing 11 may be fixed together by snap-fit ​​connection, threaded connection, interference fit connection, or other methods.

[0044] Furthermore, such as Figure 3-6 and Figure 9 As shown, the base assembly 30 also includes a sealing element 32 sleeved on the outside of the base 31. The sealing element 32 is sealed between the inner wall surface of the housing 11 and the outer wall surface of the base 31, and can be integrally molded from an elastic material such as silicone. The sealing element 32 may include a body portion 321, two sleeve portions 322 extending upward from two opposite sides of the body portion 321, and a boss portion 323 disposed between the other two opposite sides of the body portion 321. The body portion 321 is annular and sealed between the outer wall surface of the cylindrical sidewall 312 and the inner wall surface of the housing 11. The outer peripheral surface of the body portion 321 can be interference-fitted with the inner peripheral surface of the bottom end of the housing 11 to further improve the sealing performance.

[0045] Two socket portions 322 are formed by extending upward from the outer edges of the main body portion 321 along the long side direction. The two socket portions 322 are respectively fitted onto the outer sides of the heating base 52, limiting the long side direction of the seal 32 and preventing misalignment of the seal 32 along the long side direction. Since the two socket portions 322 only occupy space along the long side direction within the housing 11, and not space along the short side direction, this structure facilitates a thinner and lighter design for the atomizer 100.

[0046] The outer wall surfaces on both sides of the boss portion 323 are integrally joined with the inner wall surfaces on both sides of the body portion 321 along the short side direction (width direction). The boss portion 323 can be embedded into the bottom of the heating base 52, thereby limiting the short side direction of the seal 32 and preventing the seal 32 from being misaligned in the short side direction.

[0047] The boss portion 323 has at least one air inlet hole 3230 formed longitudinally, which is connected to the plurality of air inlet holes 3130 and the atomizing chamber 420. In this embodiment, there is one air inlet hole 3230, and the one air inlet hole 3230 is coaxially arranged with the boss portion 323 and the body portion 321. It can be understood that in other embodiments, the number of air inlet holes 3230 is not limited to one, and it may not be coaxially arranged with the boss portion 323 and / or the body portion 321. The boss portion 323 is located above the plurality of air inlet holes 3130. When liquid spillage occurs on the heating surface 412 of the liquid absorbing 41, the boss portion 323 can prevent some of the spilled liquid droplets from directly spilling onto the surface of the air inlet holes 3130, thereby reducing liquid leakage. In addition, when the suction stops, the flue gas flows back under the action of negative pressure. The backflowing flue gas is affected by the boss 323. Most of the backflowing flue gas does not come into direct contact with the air inlet hole 3130, thereby reducing the formation of condensate at the air inlet hole 3130 and reducing the risk of leakage.

[0048] The air inlet 3230 may include an air inlet section 3231 communicating with multiple air inlet holes 3130 and an air outlet section 3232 communicating with the atomizing chamber 420. In this embodiment, the air inlet 3230 is in a constricted shape, that is, the cross-sectional area of ​​the air inlet section 3231 is larger than the cross-sectional area of ​​the air outlet section 3232. The constricted shape of the air inlet 3230 can gather the airflow and increase the flow rate during air intake, so that the aerosol in the atomizing chamber 420 is quickly carried out by the airflow. When the suction stops, the smoke flows back under the action of negative pressure, and the flow rate of the smoke decreases from the air outlet section 3232 to the air inlet section 3231, thereby reducing the backflow of smoke. In addition, the cross-sectional area of ​​the upper air outlet section 3232 is smaller, and the condensate is less likely to leak out, thereby reducing leakage. Furthermore, the cross-sectional area of ​​the air outlet at the upper end of the air outlet section 3232 (the end away from the air intake section 3231) can be smaller than the cross-sectional area of ​​the air intake boss 313.

[0049] To further reduce leakage, the upper end face of the air outlet section 3232 (the end face facing the atomizing chamber 420) can be higher than the upper end face of the surrounding boss portion 323. Furthermore, the air inlet section 3231 and the air outlet section 3232 can be connected by a smooth curved transition, which can reduce the airflow resistance at the connection between the air inlet section 3231 and the air outlet section 3232, avoid the generation of vortices at the connection, and thus effectively reduce airflow noise.

[0050] The cross-sectional shapes of the air intake section 3231 and the air outlet section 3232 can be the same or different. In this embodiment, the cross-sectional shape of the air intake section 3231 is circular, and the diameter of the air intake section 3231 gradually decreases from bottom to top (from the end away from the air outlet section 3232 to the end closer to the air outlet section 3232). The air outlet section 3232 is a straight through hole with a cross-sectional shape resembling a racetrack circle, that is, the major axis length and minor axis length of the air outlet section 3232 remain constant in the longitudinal direction. The intake section 3231 and the exhaust section 3232 are smoothly connected by a connecting section 3233. This connecting section 3233 has a first end communicating with the intake section 3231 and a second end communicating with the exhaust section 3232. The cross-sectional shape and dimensions of the first end are consistent with the cross-sectional shape and dimensions of the upper end of the intake section 3231, and the cross-sectional shape and dimensions of the second end are consistent with the cross-sectional shape and dimensions of the lower end of the exhaust section 3232. The cross-sectional shape of the connecting section 3233 gradually changes from a circle at the first end to a racetrack-like circle at the second end. Understandably, in other embodiments, the cross-sectional shapes of the intake section 3231 and the exhaust section 3232 may also be circular, elliptical, square, or other shapes.

[0051] The boss portion 323 is also provided with two electrode holes 3236, for the two electrode posts 33 to pass through. These two electrode holes 3236 can be located on both sides of the air intake hole 3230 along its length. The seal 32 also has two clearance holes 3210 corresponding to the two support arms 314, allowing the two support arms 314 to pass through the clearance holes 3210 and engage with the heating base 52. Specifically, the length of the boss portion 323 along its length is less than the length of the body portion 321 along its length, and the two clearance holes 3210 are formed between the outer wall surfaces of the boss portion 323 along its length and the inner wall surfaces of the body portion 321 along its length.

[0052] Furthermore, a plurality of guide grooves 3234 are formed by a recessed top surface and / or a recessed bottom surface of the boss portion 323. These guide grooves 3234 connect the air inlet vent 3230 and the two electrode holes 3236 to the clearance hole 3210. The guide grooves 3234 are tiny groove structures, which can exert a strong capillary force on the liquid matrix. Under the action of capillary force, they can absorb the leakage liquid at the air inlet vent 3230 and the two electrode holes 3236 and guide the leakage liquid to the clearance hole 3210, thereby falling into the liquid storage space 3120 through the clearance hole 3210, thereby further reducing leakage.

[0053] like Figure 3-6 and Figure 10-11As shown, the heating element assembly 50 includes a heating element 52, which is connected to the base 31 to fix the atomizing core 40. In this embodiment, both the heating element 52 and the base 31 are made of plastic, and the heating element 52 and the base 31 are interlocked together.

[0054] The heating base 52 has at least one inlet hole 520 connecting the liquid 41 to the liquid storage chamber 110. The liquid matrix in the liquid storage chamber 110 can supply liquid to the liquid absorption surface 411 of the liquid 41 through the at least one inlet hole 520. The atomizing core 40 can be housed in the heating base 52. At least one opening 527 is also formed on the side wall of the heating base 52 to expose at least a portion of the side of the liquid 41. In this embodiment, there are two inlet holes 520, which are located on both sides of the heating base 52 along its length. There are also two openings 527, which are located on both sides of the heating base 52 along its width.

[0055] Furthermore, at least one liquid storage and ventilation structure 521 is formed on the outer surface of the heating base 52. This liquid storage and ventilation structure 521 is connected to the liquid storage chamber 110 and can be used to balance the air pressure inside the liquid storage chamber 110. When the air pressure inside the liquid storage chamber 110 is too low, outside air can enter the liquid storage chamber 110 through the liquid storage and ventilation structure 521 to avoid the situation where the liquid flow is not smooth due to the low air pressure inside the liquid storage chamber 110, and to prevent dry burning.

[0056] Specifically, in this embodiment, there are two liquid storage and ventilation structures 521. The two liquid storage and ventilation structures 521 are respectively formed on both sides of the heating base 52 along the length direction, and the two liquid storage and ventilation structures 521 can be arranged in a rotationally symmetrical manner with respect to the central axis of the heating base 52.

[0057] Each liquid storage and ventilation structure 521 includes a ventilation channel 522 formed at the end of the heating base 52 near the liquid storage cavity 110, a liquid storage tank 524 and a tension isolation groove 526 formed at the end of the heating base 52 away from the liquid storage cavity 110, a liquid suction port 523 connecting the ventilation channel 522 and the liquid storage tank 524, and a ventilation inlet 525 connecting the ventilation channel 522 and the tension isolation groove 526. One end of the ventilation channel 522 is connected to the liquid storage cavity 110, and the other end is connected to the liquid storage tank 524 and the tension isolation groove 526 through the liquid suction port 523 and the ventilation inlet 525, respectively. The ventilation inlet 525 is used to introduce outside air into the ventilation channel 522, and the liquid suction port 523 is used to draw liquid matrix (such as condensate or leakage in the ventilation channel 522, condensate or leakage formed on the atomizing core 40, or condensate or leakage formed in other parts) into the storage tank 524 through capillary force, thereby separating ventilation and liquid storage and preventing liquid matrix from clogging the ventilation channel 522. In addition, the width of the ventilation inlet 525 is greater than the width of the liquid suction port 523, so that the liquid suction port 523 generates a greater capillary force, thereby drawing the liquid matrix in the ventilation channel 522 into the storage tank 524 through the liquid suction port 523, realizing gas-liquid separation.

[0058] Specifically, the ventilation channel 522 includes a plurality of ventilation slots 5221 extending along the circumferential direction of the heating base 52, a guide slot 5222 connected to the plurality of ventilation slots 5221 and extending longitudinally, and a return slot 5223 connected to the guide slot 5222 and extending laterally. The plurality of ventilation slots 5221 can be formed by a recess in the outer circumferential surface of the heating base 52 near the liquid storage chamber 110, and the plurality of ventilation slots 5221 can be arranged in parallel at intervals. The guide slot 5222 is formed by a recess in the side surface of the heating base 52, one end of the guide slot 5222 is connected to the uppermost ventilation slot 5221, and the other end extends upward to the top surface of the heating base 52. The return slot 5223 is formed by a recess in the top surface of the heating base 52, one end of the return slot 5223 is connected to the guide slot 5222, and the other end is connected to the liquid inlet 520 on the corresponding side.

[0059] The ventilation channel 5221, the air guide channel 5222, and the return channel 5223 are all tiny groove structures. They do not obstruct the flow of gas, but they do obstruct the flow of liquid matrix, ensuring that the ventilation channel 522 has the function of ventilation and liquid blocking, reducing the possibility of liquid matrix in the liquid storage chamber 110 leaking through the ventilation channel 522. In some embodiments, the width of the ventilation channel 5221, the air guide channel 5222, and the return channel 5223 can be 0.3~0.6mm, and the depth can be 0.3~0.6mm.

[0060] The liquid storage tank 524 includes a plurality of sub-liquid storage tanks 5241 extending circumferentially along the heating base 52. These sub-liquid storage tanks 5241 are formed by a recess in the outer peripheral surface of the heating base 52 at the end away from the liquid storage cavity 110, and are arranged in parallel at intervals. Furthermore, each sub-liquid storage tank 5241 extends to two openings 527 at both circumferential ends and communicates with these openings, thereby connecting the sub-liquid storage tank 5241 to the liquid suction 41. When the liquid storage tank 524 stores condensate (or liquid matrix leaks from the ventilation channel 522 into the liquid storage tank 524), the capillary force between the liquid suction 41 and the liquid storage tank 524 will draw the condensate (or liquid matrix) onto the liquid suction 41, reducing the risk of condensate being drawn back from the ventilation channel 522 into the liquid storage cavity 110 and leaking into the power supply device 200.

[0061] The sub-storage tank 5241 is a tiny, fine-grooved structure that exerts a strong capillary force on the liquid matrix, allowing it to absorb condensate from the ventilation tank 5221 under the influence of this capillary force. In some embodiments, the width of the sub-storage tank 5241 can be 0.3~0.6 mm, and the depth can be 0.3~0.6 mm.

[0062] The tension isolation groove 526 is wider than the ventilation channel 522 and the liquid storage tank 524 to prevent condensate in the liquid storage tank 524 from being drawn back into the liquid storage chamber 110, thus preventing pressure fluctuations in the liquid storage chamber 110 and affecting the liquid discharge, thereby making the ventilation pressure more stable. The tension isolation groove 526 can extend longitudinally, with its lower end connected to the lowermost sub-liquid storage tank 5241 and its upper end connected to the uppermost sub-liquid storage tank 5241, thereby connecting multiple sub-liquid storage tanks 5241 through the tension isolation groove 526. The width of the tension isolation groove 526 can be greater than the width of the ventilation inlet 525. In some embodiments, the width of the tension isolation groove 526 can be 1~3mm, and the depth can be 0.5~1.2mm.

[0063] The liquid suction port 523 and the ventilation inlet 525 can be connected to the circumferential sides of the ventilation channel 522 away from the liquid storage chamber 110, respectively. In some embodiments, the ventilation inlet 525 can be connected to one of a plurality of ventilation slots 5221, and the liquid suction port 523 can be connected to another of the plurality of ventilation slots 5221. Specifically, in this embodiment, the plurality of ventilation slots 5221 may include a first ventilation slot 5224 located at the bottommost position and a second ventilation slot 5225 located above and adjacent to the first ventilation slot 5224. The upper end of the liquid suction port 523 can be connected to one circumferential side of the first ventilation slot 5224, and the lower end can extend longitudinally downward to and be connected to the uppermost sub-liquid storage slot 5241. The upper end of the ventilation inlet 525 can be connected to the other side of the second ventilation slot 5225 in the circumferential direction, and the lower end extends longitudinally downward to connect with the upper end of the tension isolation slot 526. For example... Figure 11 As indicated by the arrows, air enters the second ventilation slot 5225 through the ventilation inlet 525, then flows sequentially through several ventilation slots 5221 located above the second ventilation slot 5225 to the air guide slot 5222, and finally enters the liquid storage chamber 110 through the return air slot 5223, thereby balancing the air pressure in the liquid storage chamber 110. In some embodiments, the width of the liquid suction slot 523 can be 0.3~0.6mm, and the depth can be 0.3~0.6mm. The width of the ventilation inlet 525 can be 0.6~1.5mm, and the depth can be 0.3~0.6mm.

[0064] Understandably, in other embodiments, the air inlet 525 and the liquid suction port 523 may also be connected to the same air trough 5221, and the air inlet 525 and the liquid suction port 523 may be connected to the two circumferential ends of the same air trough 5221 (e.g., the first air trough 5224).

[0065] During the suction process, the liquid matrix is ​​drawn from the storage chamber 110 to the ventilation channel 522. When the liquid matrix is ​​drawn to the ventilation inlet 525, it must overcome the surface tension. At this time, the ventilation inlet 525 plays a role in preventing the liquid matrix from being drawn out of the ventilation channel 522. Meanwhile, the first ventilation groove 5224 at the bottom will absorb a portion of the liquid matrix. Figure 12 The diagram shows the gas-liquid two-phase distribution in the liquid storage and ventilation structure 521 at the moment of cessation of suction. The test conditions were 3 seconds of suction followed by 27 seconds of rest. The volume fraction of the liquid phase in the liquid storage and ventilation structure 521 was measured at the moment of cessation after 3 seconds of suction. The diagram shows that at the moment of cessation of suction, the liquid phase (mainly from leakage from the liquid storage chamber 110 during suction) is mainly distributed in the ventilation channel 522, while the liquid storage tank 524 has little or no liquid phase distribution, thus effectively preventing the liquid matrix from flowing out of the ventilation channel 522.

[0066] Furthermore, for example Figure 4-6 As shown, the heating base assembly 50 also includes a sealing sleeve 53 fitted over the heating base 52 and a sealing gasket 51 housed within the heating base 52 and positioned between the heating base 52 and the liquid absorber 41. Both the sealing sleeve 53 and the sealing gasket 51 can be made of elastic materials such as silicone. The sealing gasket 51 can be annular, tightly pressed against the heating base 52 and the liquid absorber 41, serving to buffer, ensure sealing, and prevent leakage. The sealing sleeve 53 is fitted over the upper part of the heating base 52 to seal the lower end of the liquid storage chamber 110 and to seal and isolate the atomizing chamber 420 from the liquid storage chamber 110. The outer circumferential surface of the sealing sleeve 53 can be interference-fitted with the inner circumferential surface of the housing 11 to further improve sealing performance. The top surface of the sealing sleeve 53 may also be recessed to form a vent hole 530. The lower end of the vent pipe 12 may be embedded in the vent hole 530. The outer peripheral surface of the lower end of the vent pipe 12 is sealed and fitted with the hole wall of the vent hole 530, thereby sealing and isolating the vent channel 120 from the liquid storage chamber 110.

[0067] Figure 14 A heating assembly according to some embodiments of the prior art is shown. The heating assembly includes an atomizing top seat 115, an atomizing core 12, and an atomizing base 116. The outer surface of the atomizing top seat 115 is provided with a ventilation groove 112, which includes a first sub-ventilation groove 1121 and a second sub-ventilation groove 1122. The outer surface of the atomizing base 116 is provided with a flow channel 114 and a liquid storage tank 113. One end of the flow channel 114 communicates with the ventilation groove 112, and the other end of the flow channel 114 communicates with the liquid storage tank 113. The liquid storage tank 113 includes multiple sub-liquid storage tanks 1131.

[0068] Figure 13 , Figure 15 They are shown respectively Figure 3 , Figure 14 The diagram shows the ventilation pressure curve of the heating element, where the horizontal axis represents the suction time and the vertical axis represents the liquid storage chamber pressure. In this test experiment, the test conditions were 3 seconds of suction followed by 27 seconds of rest, with a power of 6W. Figure 3 In the heating component shown, there are four ventilation slots 5221, each with a width of 0.35 mm and a depth of 0.4 mm. The ventilation inlet 525 has a width of 1 mm and a depth of 0.4 mm, and the tension isolation slot 526 has a width of 2 mm and a depth of 0.8 mm. Figure 14 The heating element includes four second sub-ventilation slots 1122, each with a width of 0.35 mm and a depth of 0.4 mm. The inlet width of the end of the drainage slot 114 connected to the second sub-ventilation slot 1122 is 0.6 mm, and its depth is 0.4 mm. Figure 13 , Figure 15 It can be seen that, Figure 3The ventilation pressure adjustment range of the heating element shown is smaller, and most of them only require one breath (i.e., the ventilation time is short and the ventilation speed is fast). Figure 14 The heating element shown has a wide range of ventilation pressure adjustment, and most of it only ventilates once every two inlets (i.e., the ventilation time is long and the ventilation speed is slow). In comparison, Figure 3 The heating element shown has higher ventilation stability. In addition, since it has a shorter ventilation path because it does not pass through the first ventilation groove 5224 located at the bottom during ventilation, it has lower ventilation pressure and faster ventilation speed, thus effectively avoiding the situation of burnt smell and reduced smoke volume due to poor ventilation.

[0069] Figure 16 The base 31 in the first alternative of the present invention is shown. Its main difference from the first embodiment is that, in this embodiment, the air intake cross-sectional area of ​​the first air intake hole 3131 is larger than that of the second air intake hole 3132, that is, the structure of its air intake hole 3130 is "small hole on the outer periphery and large hole in the middle".

[0070] Figure 18 A base 31 in some embodiments of the prior art is shown, wherein the air intake cross-sectional area of ​​the first air intake hole 3131 in the base 31 is equal to the air intake cross-sectional area of ​​the second air intake hole 3132.

[0071] Figure 8 , Figure 17 , Figure 19 They are shown respectively Figure 7 , Figure 16 , Figure 18 The simulated noise distribution cloud map of the base is shown. In the test experiment, Figure 7 , Figure 16 , Figure 18 The base shown includes four first air inlet holes 3131 and ten second air inlet holes 3132; Figure 7 In the first air intake hole 3131, the diameter is 3.5mm, and the diameter of the second air intake hole 3132 is 4.5mm. The maximum aerodynamic noise is 61.37dB. Figure 16 In the first air intake hole 3131, the diameter is 4.5mm, and the diameter of the second air intake hole 3132 is 3.5mm. The maximum aerodynamic noise is 66.52dB. Figure 18 In this design, the diameters of both the first air inlet 3131 and the second air inlet 3132 are 3.5 mm, and their maximum aerodynamic noise level is 70.83 dB. Figure 8 , Figure 17 , Figure 19 It can be seen that, Figure 7 , Figure 16 The air inlet structure with alternating large and small holes shown can significantly reduce aerodynamic noise during suction. Figure 18 The air intake orifice structure shown exhibits significant aerodynamic noise. Furthermore, Figure 7 The air inlet structure shown, with its "large outer hole and small middle hole," minimizes aerodynamic noise during suction and provides the best uniform airflow guidance. Therefore, in the design, the air inlet cross-sectional area of ​​the first air inlet hole 3131 can be smaller than that of the second air inlet hole 3132. By selecting an appropriate number and size (e.g., hole diameter or air inlet cross-sectional area) of the first air inlet hole 3131 and the second air inlet hole 3132, the atomizer 100 achieves an aerodynamic noise level of less than 61.4 dB during operation.

[0072] Figure 20-21 The base 31 in the second alternative embodiment of the present invention is shown. Its main difference from the first embodiment is that, in this embodiment, the upper surface 3133 of the air intake boss 313 is convex; specifically, the upper surface 3133 can be a spherical surface. A plurality of air intake holes 3130 on the air intake boss 313 extend downward from the upper surface 3133. In other embodiments, the upper surface 3133 may also be frustum-shaped or other shapes. The second air intake hole 3132 located on the periphery may be disposed near the outer edge of the upper surface 3133.

[0073] Combination Figure 22 As shown, by designing the intake protrusion 313 as a protruding shape with a small inner hole and a large outer hole, the condensate film boundary 35 formed at the outer second intake hole 3132 has a roughly spherical shape and communicates with the condensate stored in the liquid storage space 3120, causing the condensate to tend to flow outward from the intake hole 3130. The direction of condensate flow is as follows: Figure 22 As shown by the arrow in the diagram. When the air inlet hole 3130 is covered with condensate, the condensate is difficult to flow out because the diameter of the first air inlet hole 3131 in the middle is small; while the condensate in the second air inlet hole 3132 on the periphery is connected to the condensate stored in the base 31 and is easily carried away by the condensate stored in the base 31, so that it can be diffused in the liquid storage space 3120 of the base 31 in a timely manner, thus making the air inlet hole 3130 less likely to be blocked.

[0074] Figure 23 The seal 32 in the third alternative of the present invention is shown. Its main difference from the first embodiment is that, in this embodiment, the boss portion 323 does not have an electrode hole 3236. In addition, the two sides of the boss portion 323 along the length direction are respectively recessed to form a relief groove 3235 that communicates with the relief hole 3210. This structure can reduce the influence on the shape and size of the air intake hole 3230 during design.

[0075] Figure 24The seal 32 in the fourth alternative of the present invention is shown. Its main difference from the first embodiment is that, in this embodiment, the boss 323 does not have an electrode hole 3236. This structure can reduce the influence on the shape and size of the air inlet 3230 when designing it.

[0076] Understandably, the above-mentioned technical features can be used in any combination without restriction.

[0077] The above embodiments only illustrate preferred embodiments of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can freely combine the above technical features without departing from the concept of the present invention, and can also make several modifications and improvements, all of which fall within the protection scope of the present invention. Therefore, all equivalent transformations and modifications made with respect to the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

Claims

1. An atomizer, characterized in that, It includes a liquid storage shell (10) with a liquid storage cavity (110) inside, a base (31) disposed at one end of the liquid storage shell (10), a heating base (52) disposed in the liquid storage shell (10) and connected to the base (31), and a sealing member (32) disposed in the liquid storage shell (10) and sleeved on the base (31). The sealing element (32) includes a body part (321), a boss part (323) and two sleeve parts (322). The body part (321) is annular and is sealed between the base (31) and the liquid storage shell (10). The two opposite sides of the boss portion (323) are respectively connected to the two opposite sides of the body portion (321); The two sleeve portions (322) extend from the other two opposite sides of the main body portion (321) in a direction away from the base (31), and the two sleeve portions (322) are respectively sleeved on both sides of the heating base (52).

2. The atomizer according to claim 1, characterized in that, The two opposite sides of the boss (323) are respectively connected to the two short sides of the body (321), and the two sleeves (322) are respectively disposed on the long side of the body (321).

3. The atomizer according to claim 1, characterized in that, The two socket parts (322), the body part (321), and the boss part (323) are integrally formed.

4. The atomizer according to any one of claims 1-3, characterized in that, The atomizer also includes a liquid absorber (41) disposed in the liquid storage shell (10) and communicating with the liquid storage cavity (110). The liquid absorber (41) is contained between the heating base (52) and the base (31). The sealing member (32) is disposed on the side of the liquid absorber (41) away from the liquid storage cavity (110), and an atomizing cavity (420) is formed between the liquid absorber (41) and the sealing member (32). An air inlet hole (3230) communicating with the atomizing cavity (420) is formed on the boss portion (323), and an air inlet channel (315) communicating with the air inlet hole (3230) is formed on the base (31).

5. The atomizer according to claim 4, characterized in that, The upper end face of the air inlet hole (3230) is higher than the upper end face of the boss (323).

6. The atomizer according to claim 4, characterized in that, The air inlet (3230) includes an air inlet section (3231) facing the base (31) and an air outlet section (3232) away from the base (31). The cross-sectional area of ​​the air inlet section (3231) is larger than the cross-sectional area of ​​the air outlet section (3232). An air inlet channel (315) connected to the air inlet section (3231) is formed on the base (31).

7. The atomizer according to claim 6, characterized in that, The air intake section (3231) and the air outlet section (3232) are connected by a smooth transition.

8. The atomizer according to claim 4, characterized in that, The other two opposite sides of the boss portion (323) are respectively formed with the other two opposite sides of the body portion (321) to form clearance holes (3210), and the boss portion (323) is also formed with a guide groove (3234) that connects the air inlet hole (3230) and the clearance hole (3210).

9. The atomizer according to claim 4, characterized in that, The base (31) includes an air intake boss (313), and the air intake channel (315) includes a plurality of air intake holes (3130) formed on the air intake boss (313).

10. An electronic atomizing device, characterized in that, It includes the atomizer as described in any one of claims 1-9 and a power supply device electrically connected to the atomizer.

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