Patent Application
20250089791
Priority is claimed to Chinese Patent Application No. 202322524533.7, filed on Sep. 15, 2023, the entire disclosure of which is hereby incorporated by reference herein.
The present application relates to the field of atomization technologies, and more specifically, to an atomizer and an electronic atomization device.
An electronic atomization device generally includes an atomizer and a power supply apparatus. The atomizer may include an aerosol-forming product and a mouthpiece assembly that are mated with each other. The aerosol-forming product is configured to receive and atomize an aerosol-forming medium. After the aerosol-forming medium is used up, the aerosol-forming medium can be updated by replacing the aerosol-forming product or replacing the entire atomizer.
An air inlet channel and an air outlet channel are formed inside the atomizer. During inhalation, outside air enters a receiving chamber from the air inlet channel to carry out an aerosol formed through atomization in the receiving chamber from the air outlet channel. During flowing, an airflow usually passes by a plurality of corners, which is prone to poor circulation and generation of loud noise.
In an embodiment, the present invention provides an atomizer, comprising: an aerosol-forming product having a receiving chamber formed inside, the receiving chamber being configured to receive an aerosol-forming medium; a mouthpiece assembly mated with the aerosol-forming product; and an airflow channel comprising an air inlet channel and an air outlet channel respectively communicating with the receiving chamber, wherein the airflow channel comprises at least one branch air channel and a main air channel communicating with the at least one branch air channel, wherein an airflow guiding surface is arranged at a joint between the at least one branch air channel and the main air channel, and wherein an angle between the airflow guiding surface and an axis of the main air channel is an acute angle.
Subject matter of the present disclosure will be described in even greater detail below based on the exemplary figures. All features described and/or illustrated herein can be used alone or combined in different combinations. The features and advantages of various embodiments will become apparent by reading the following detailed description with reference to the attached drawings, which illustrate the following:
In an embodiment, the present invention provides an improved atomizer and an electronic atomization device having the atomizer, to overcome the foregoing defects in the related art.
To resolve the technical problem, the following technical solutions are adopted in the present application: An atomizer is constructed, including:
In some embodiments, the airflow guiding surface includes a plane, and the angle between the plane and the axis of the main air channel ranges from 20° to 70°.
In some embodiments, the airflow guiding surface is transitionally connected to the main air channel by a circular arc surface.
In some embodiments, at least two branch air channels are included, and the at least two branch air channels are distributed symmetrically along the circumferential direction of the main air channel.
In some embodiments, the air inlet channel includes two branch air channels and the main air channel, and the two branch air channels communicate with the receiving chamber through the main air channel.
In some embodiments, the main air channel at least partially extends into the receiving chamber and is arranged coaxial with the receiving chamber.
In some embodiments, each branch air channel includes a first air guiding section and a second air guiding section respectively communicating with the first air guiding section and the main air channel, and the second air guiding sections of the two branch air channels communicate with each other and are arranged symmetrically at 180°.
In some embodiments, the first air guiding section is flat.
In some embodiments, the air outlet channel includes two branch air channels, the main air channel, and an inhalation channel formed inside the mouthpiece assembly, the receiving chamber communicates with the main air channel, and the two branch air channels communicates with the outside through the inhalation channel.
The present application further provides an electronic atomization device, including the atomizer as described above and a power supply apparatus mated with the atomizer.
Implementation of the present application has at least the following beneficial effects: An airflow guiding surface is arranged at a joint between the branch air channel and the main air channel, and the angle between the airflow guiding surface and the axis of the main air channel is an acute angle. In this way, the deflection angle of an airflow is less than 90° when the airflow enters the main air channel from the branch air channel or is output from the main air channel to the branch air channel, so that the airflow circulates more smoothly, and noise generation is better avoided.
To provide a clearer understanding of the technical features, the objectives, and the effects of the present application, specific implementations of the present application are now illustrated in detail with reference to the accompanying drawings. In the following description, many specific details are described for thorough understanding of the present application.
However, the present application can be implemented in many other manners different from those described herein. A person skilled in the art may make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that, orientations or position relationships indicated by terms, such as “longitudinal”, “transverse”, “up”, “down”, “top”, “bottom”, “inner”, and “outer”, are orientations or position relationships shown based on the accompanying drawings or a usual orientation or a position relationship in which the product of the present application is placed in use, and are merely used for describing the present application and simplifying the description, rather than indicating or implying that the apparatus or element should have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be construed as a limitation to the present application.
In addition, the terms “first” and “second” are used merely for the purpose of description, and shall not be construed as indicating or implying relative importance or implying a quantity of indicated technical features. Therefore, features defining “first” and “second” can explicitly or implicitly include at least one of the features. In the description of the present application, “a plurality of” means at least two, for example, two or three, unless it is specifically defined otherwise.
In the present application, unless otherwise clearly specified and limited, the terms, such as “mounted”, “connected”, “connection”, and “fixed”, should be understood in a broad sense. For example, a connection may be a fixed connection, a detachable connection, or an integral connection; or may be a mechanical connection or an electrical connection; or may be a direct connection, an indirect connection through an intermediary, or internal communication between two elements or mutual action relationship between two elements, unless otherwise specified explicitly. A person of ordinary skill in the art may understand the specific meanings of the foregoing terms in the present application according to specific situations.
In the present application, unless otherwise explicitly specified or limited, that a first feature is “above” or “below” a second feature may be that the first feature in direct contact with the second feature, or the first feature in indirect contact with the second feature through an intermediary. Moreover, that the first feature is “above” the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that a horizontal height of the first feature is higher than that of the second feature. That the first feature is “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that a horizontal height of the first feature is lower than that of the second feature.
The electronic atomization device 100 may include an atomizer 10 and a power supply apparatus 20 mated with the atomizer 10. The atomizer 10 is mainly configured to store an aerosol-forming medium and atomize the aerosol-forming medium when generating heat, and the power supply apparatus 20 is mainly configured to control power supply. The atomizer 10 and the power supply apparatus 20 may be connected together in a detachable manner, and the power supply apparatus 20 is reusable, to reduce use costs. Certainly, in other embodiments, the atomizer 10 and the power supply apparatus 20 may be connected together in an undetachable manner.
Specifically, as shown in
In this embodiment, the electronic atomization device 100 heats the aerosol-forming medium in an electromagnetic induction heating manner. The power supply apparatus 20 may include a housing 21 and a battery 22, a circuit board 23, and an induction heating source 24 that are received in the housing 21. The circuit board 23 is electrically connected to the battery 22 and the induction heating source 24 respectively. A control chip and a related control circuit are arranged on the circuit board 23, for implementing calculation and control of the apparatus, including controlling the battery 22 to power on and power off the induction heating source 24, and controlling an amount of power supplied by the battery 22 to the induction heating source 24. The battery 22 is configured to supply power to electronic components such as the circuit board 23 and the induction heating source 24. The induction heating source 24 is configured to generate an electromagnetic field when being powered on, to heat a susceptor material located within the electromagnetic field. Generally, the induction heating source 24 includes an induction coil. The induction coil may be wound around the outside of the accommodating chamber 210 and may be arranged coaxially with the accommodating chamber 210, but is not limited thereto.
In some embodiments, the power supply apparatus 20 may further include a holder 25 at least partially received in the housing 21. The holder 25 is in a shape of a cylinder with an open upper end and is received in the upper portion of the housing 21, and the inner wall surface thereof defines at least a part of the accommodating chamber 210. The holder 25 may be completely received in the housing 21, or the upper end of the holder 25 may extend out of the housing 21. The induction coil may be in a shape of a spiral tube and is wound around the outside of the holder 25.
Further, the power supply apparatus 20 may further include a magnetic shield 27 sleeved on the outside of the induction heating source 24. The magnetic shield 27 can prevent or reduce electromagnetic radiation from the induction heating source 24 to the outside. In addition, the magnetic shield 27 can also fix the induction heating source 24.
The atomizer 10 is designed to be engaged with the electrically operable power supply apparatus 20 including the induction heating source 24. The atomizer 10 includes a susceptor material. The susceptor material can be coupled to and interact with the induction heating source 24. The term “susceptor material” is used to describe a material that can convert electromagnetic energy into heat. When the susceptor material is located within an electromagnetic field, the electromagnetic field may generate eddy currents in the susceptor material, and the eddy currents may heat the susceptor material through ohmic or resistive heating, thereby heating the aerosol-forming medium. In a case that the susceptor material includes a ferromagnetic material (for example, iron, nickel, or cobalt), the susceptor material may be further heated due to hysteresis losses.
The susceptor material may be formed by any material that can be heated inductively enough for the aerosol-forming medium to form an aerosol. A suitable susceptor material may include one or more of graphite, molybdenum, silicon carbide, stainless steel, niobium, aluminum, nickel, a nickel-containing compound, titanium, a metal material composite, or the like. In some embodiments, the susceptor material includes a metal or carbon.
Preferably, the susceptor material may include a ferromagnetic material or may be formed by a ferromagnetic material. The ferromagnetic material may include ferritic iron, a ferromagnetic alloy (for example, ferromagnetic steel or stainless steel), ferromagnetic particles, or ferrites. In some embodiments, the susceptor material may be formed by 400 series stainless steel such as 410 stainless steel, 420 stainless steel, or 430 stainless steel.
As shown in
Specifically, the aerosol-forming product 15 includes a container 16 and a heating element 17. The container 16 is in a shape of a cylinder with an open end has a receiving chamber 160 formed inside, where the receiving chamber 160 is configured to receive an aerosol-forming medium. The heating element 17 includes a susceptor material or is made of a susceptor material, and is configured to heat the aerosol-forming medium when generating heat. In use, the atomizer 10 is engaged with the power supply apparatus 20, so that the heating element 17 is located within an electromagnetic field generated by the induction heating source 24. The heating element 17 may be arranged coaxially with the induction heating source 24, but is not limited thereto. It may be understood that, in other embodiments, the aerosol-forming product 15 may not include the heating element 17. For example, the susceptor material may be arranged in the container 16 or the aerosol-forming medium.
The container 16 may be made of one or more high-temperature resistant materials such as glass, ceramic, metal, plastic, or aluminum foil. In this embodiment, the container 16 is cylindrical and may be made of a glass material. The glass material has advantages such as high temperature resistance, ease of cleaning, no pollution, no odor, and low costs.
The heating element 17 may be arranged inside the container 16. The heating element 17 can be in direct contact with the aerosol-forming medium, and heat generated by the heating element 17 can be directly transferred to the aerosol-forming medium, thereby improving the heat transfer efficiency. Moreover, the container 16 can implement thermal insulation, to reduce heat transferred to the outside by the heating element 17. Certainly, in other embodiments, the heating element 17 may be arranged outside the container 16, or the heating element 17 may be at least partially embedded on the container 16 to form an integrated structure with the container 16.
In some embodiments, the heating element 17 may be arranged in the container 16 in a detachable manner, so that both the heating element 17 and the container 16 can be used as disposable consumables and be separately replaced, so that a cleaning problem is avoided, and replacement costs are low. Certainly, in some other embodiments, the heating element 17 may be arranged in the container 16 in an undetachable manner. It should be noted that the undetachable means that the container 16 or the heating element 17 cannot be disassembled without being damaged, for forced replacement.
The shape of the heating element 17 is not limited. For example, the heating element 17 may have various shapes such as a sheet, a tube, a cylinder, or a spiral. In this embodiment, the heating element 17 is in a shape of a cylinder with an open upper end. The cylindrical heating element 17 may further be configured to receive the aerosol-forming medium.
In some embodiments, the aerosol-forming product 15 may further include a limiting member 18 arranged inside the container 16, for limiting the heating element 17 in the container 16. The limiting member 18 may be made of a high-temperature resistant material such as a metal or a non-metal. Preferably, the limiting member 18 may be formed by using a non-ferromagnetic metal material, to prevent the limiting member 18 from dry heating. In addition, the metal material has advantages such as high temperature resistance, no pollution, no odor, and low costs.
Specifically, the limiting member 18 may include a sheet-shaped body 181. The sheet-shaped body 181 is provided with a plurality of airflow through holes 1810 for an airflow to pass through. The sheet-shaped body 181 may abut against the upper end of the heating element 17, thereby abutting the heating element 17 against the bottom wall of the container 16. When the aerosol-forming medium is heated, the sheet-shaped body 181 further helps to reduce or prevent outward splashing of the aerosol-forming medium.
In some embodiments, the outer diameter of the sheet-shaped body 181 is smaller than the inner diameter of the container 16. The limiting member 18 further includes at least two limiting arms 182 arranged on the outer periphery of the sheet-shaped body 181. The limiting member 18 is limited through contact between the at least two limiting arms 182 and the container 16. Preferably, the at least two limiting arms 182 are resilient arms, are uniformly spaced apart along the circumferential direction of the sheet-shaped body 181, which is conducive to uniform force application, and can be resiliently abutted against the inner wall surface of the container 16 by resilient forces. The lower end of each limiting arm 182 is connected to the sheet-shaped body 181, and the upper end thereof is flared outward by a specific angle to be resiliently abutted against the inner wall surface of the container 16.
Certainly, in other embodiments, the limiting member 18 may not include the limiting arms 182. For example, a plurality of bumps may be formed by extending at least parts of the outer periphery of the sheet-shaped body 181 outward, and the sheet-shaped body 181 is abutted against the inner wall surface of the container 16 by the plurality of bumps, to implement limiting.
In some other embodiments, the aerosol-forming product 15 may not include the limiting member 18, and the heating element 17 is limited in the container 16 in another manner. For example, a protruding limiting portion may be arranged on the inner wall surface of the container 16 or the outer wall surface of the heating element 17, and contact and limiting between the heating element 17 and the container 16 are implemented by the limiting portion.
As shown in
In some embodiments, the air inlet channel 10a may include at least two branch air channels 141a and a main air channel 142a connected to the at least two branch air channels 141a. An air inlet end of the main air channel 142a communicates with air outlet ends of the at least two branch air channels 141a. An air outlet end of the main air channel 142a communicates with the receiving chamber 160. The outside air enters the receiving chamber 160 through the branch air channels 141a and the main air channel 142a in sequence. Airflow directions of the at least two branch air channels 141a are arranged at an acute angle with respect to an airflow direction of the main air channel 142a. The deflection angle of an airflow is less than 90° when the airflow enters the main air channel 142a from the branch air channels 141a, so that the airflow circulates more smoothly, and noise generation can be better avoided.
Specifically, in this embodiment, two branch air channels 141a are included, and the two branch air channels 141a are respectively symmetrically arranged on the two opposite sides of the main air channel 142a. The main air channel 142a is cylindrical. The air outlet end of the main air channel 142a extends into the receiving chamber 160 and communicates with the receiving chamber 160. The central axis of the main air channel 142a may coincide with or be parallel to the central axis of the receiving chamber 160, so that the airflow can better enter the receiving chamber 160. Certainly, in other embodiments, the axial direction of the main air channel 142a may arranged at an angle with respect to the axial direction of the receiving chamber 160. In addition, three or more branch air channels 141a may be included, and may be uniformly distributed along the circumferential direction of the main air channel 142a. Certainly, only one branch air channel 141a may alternatively be arranged.
In some other embodiments, an air inlet end of the branch air channel 141a communicates with an air outlet end of the main air channel 142a. An air outlet end of the branch air channel 141a communicates with the receiving chamber 160. The outside air enters the receiving chamber 160 through the main air channel 142a and the branch air channel 141a in sequence. An airflow direction of the main air channel 142a is arranged at an acute angle with respect to an airflow direction of the branch air channel 141a. The deflection angle of an airflow is less than 90° when the airflow enters the branch air channel 141a from the main air channel 142a, so that the airflow circulates more smoothly, less vapor is lost, and noise generation can be better avoided.
An airflow guiding surface 1411 for guiding an airflow direction is formed at a joint between each branch air channel 141a and the main air channel 142a. The airflow guiding surface 1411 is a plane inclined toward the main air channel 142a or approximately a plane. The angle α between the airflow guiding surface 1411 and the axis of the main air channel 142a is an acute angle, that is, 0°<α<90°. α is an angle formed between the airflow direction of an airflow flowing through the airflow guiding surface 1411 and the airflow direction of the airflow flowing through the main air channel 142a. For example, when the airflow flows along a direction from the airflow guiding surface 1411 into the main air channel 142a, a is an angle formed between the extension line of the airflow guiding surface 1411 and the axis of the main air channel 142a. In some embodiments, a has a range of 20°<α<70°, and is preferably around 45°.
Further, the airflow guiding surface 1411 may further be transitionally connected to the main air channel 142a by a circular arc surface 1412. The two ends of the circular arc surface 1412 are respectively tangent to the airflow guiding surface 1411 and the main air channel 142a, so that the airflow circulates more smoothly, and noise generation can be better avoided. Certainly, the airflow guiding surface 1411 may alternatively be directly connected to the main air channel 142a.
Similarly, the air outlet channel 10b may include a main air channel 142b and at least two branch air channels 141b connected to the main air channel 142b. An air outlet end of the main air channel 142b communicates with air inlet ends of the at least two branch air channels 141b. An air inlet end of the main air channel 142b communicates with the receiving chamber 160. An airflow in the receiving chamber 160 flows out to the outside through the main air channel 142b and the branch air channels 141b in sequence. An airflow direction of the main air channel 142b is arranged at an acute angle with respect to airflow directions of the branch air channels 141b. The deflection angle of an airflow is less than 90° when the airflow enters the branch air channels 141b from the main air channel 142b, so that the airflow circulates more smoothly, and noise generation can be better avoided.
Specifically, in this embodiment, two branch air channels 141b are included, and the two branch air channels 141b are respectively symmetrically arranged on the two opposite sides of the main air channel 142b. The main air channel 142b is annular. The air inlet end of the main air channel 142b extends into the receiving chamber 160 and communicates with the receiving chamber 160. The central axis of the main air channel 142b may coincide with or be parallel to the central axis of the receiving chamber 160, so that an airflow in the receiving chamber 160 flows into the main air channel 142b more sufficiently and more quickly. Certainly, in other embodiments, the axial direction of the main air channel 142b may arranged at an angle with respect to the axial direction of the receiving chamber 160. In addition, three or more branch air channels 141b may be included, and may be uniformly distributed along the circumferential direction of the main air channel 142b. Certainly, only one branch air channel 141b may alternatively be arranged.
In some other embodiments, an air outlet end of the branch air channel 141b communicates with an air inlet end of the main air channel 142b. An air inlet end of the branch air channel 141b communicates with the receiving chamber 160. An airflow in the receiving chamber 160 flows out to the outside through the branch air channel 141b and the main air channel 142b in sequence. An airflow direction of the main air channel 142b is arranged at an acute angle with respect to an airflow direction of the branch air channel 141b. The deflection angle of an airflow is less than 90° when the airflow enters the main air channel 142b from the branch air channel 141b, so that the airflow circulates more smoothly, and noise generation can be better avoided. An airflow guiding surface 1418 for guiding an airflow direction is formed at a joint between each branch air channel 141b and the main air channel 142b. The airflow guiding surface 1418 is a plane inclined toward the main air channel 142b or approximately a plane. The angle β between the airflow guiding surface 1418 and the axis of the main air channel 142b is an acute angle, that is, 0°<β<90°. β is an angle formed between the airflow direction of an airflow flowing through the main air channel 142b and the airflow direction of the airflow flowing through the airflow guiding surface 1418. For example, when the airflow flows along a direction from the main air channel 142b onto the airflow guiding surface 1418, β is an angle formed between the extension line of the axis of the main air channel 142b and the airflow guiding surface 1418. In some embodiments, β has a range of 20°<β<70°, and is preferably around 45°.
Further, as shown in
An air inlet hole 1220 for outside air to enter and an inhalation channel 1210 for outputting an aerosol to the outside are respectively formed on the mouthpiece 12. In this embodiment, the mouthpiece 12 includes a mouthpiece portion 121 located at the upper portion and a sleeve portion 122 located at the lower portion. Two air inlet holes 1220 are included, and are respectively symmetrically provided on the two sides of the side wall of the sleeve portion 122. The two air inlet holes 1220 respectively communicate with the two branch air channels 141a. The inhalation channel 1210 extends downward from the top surface of the mouthpiece portion 121, and may be arranged coaxially with the mouthpiece portion 121.
The bottom surface of the sleeve portion 122 extends upward to form a receiving hole 1222. The connector 14 is at least partially received in the receiving hole 1222. The top end (that is, an end facing the inhalation channel 1210) of the receiving hole 1222 includes a retaining wall 123. The upper end surface of the connector 14 can abut against the retaining wall 123, to implement mounting and positioning of the connector 14.
When the atomizer 10 is mounted on the power supply apparatus 20, the lower end surface of the mouthpiece portion 121 may abut against the upper end surface of the housing 21, and the sleeve portion 122 is received in the accommodating chamber 210, thereby shielding the air inlet holes 1220 in the accommodating chamber 210. Two sides of the bottom of the mouthpiece portion 121 respectively recessed upward to form two air inlets 1211, and the outer walls on the two sides of the sleeve portion 122 are respectively recessed to form air inlet slots 1221, so that outside air can enter the air inlet holes 1220 through the air inlets 1211 and the air inlet slots 1221 in sequence. Certainly, in other embodiments, the air inlet structure may be deformed arbitrarily according to needs. For example, the air inlets 1211 and/or the air inlet slots 1221 may be formed on the power supply apparatus 20. In another example, the air inlet holes 1220 may be exposed to the outside of the accommodating chamber 210 to directly communicate with the outside air.
The connector 14 is at least partially arranged between the container 16 and the mouthpiece 12, and is configured to implement a connection between the container 16 and the mouthpiece 12. In some embodiments, the connector 14 may be made of an elastic material such as silicone. The connector 14 made of an elastic material has good sealing performance. In addition, the elastic performance of the connector 14 can make pluggable assembly and disassembly of the container 16 very convenient.
It may be understood that, in other embodiments, the connector 14 may be made of another material such as high-temperature resistant plastic. Certainly, in some other embodiments, the connector 14 may be integrally formed with the mouthpiece 12 by 3D printing or the like. The integrally formed means that the connector 14 and the mouthpiece 12 form a monolithic structure. The monolithic structure combines features of the connector 14 and the mouthpiece 12. In other words, the connector 14 may also be omitted, and relevant features of the connector 14 may be formed on the mouthpiece 12.
The connector 14 may include a body portion 141 and an air channel portion 142. The body portion 141 is cylindrical, and the lower end surface of the body portion 141 extends upward to form a cavity 1410. The upper end of the container 16 may be embedded into the cavity 1410, and the outer wall surface of the container 16 is in a close fit with the wall surface of the cavity 1410, to be fixed. Certainly, in other embodiments, the upper end of the container 16 may be sandwiched between the outer wall surface of the body portion 141 and the inner wall surface of the mouthpiece 12.
The air channel portion 142 is tubular, and is arranged in the cavity 1410, and may be integrally formed by extending downward the top surface of the cavity 1410. The air channel portion 142 may be arranged coaxially with the cavity 1410, but is not limited thereto. The inner wall surface of the air channel portion 142 defines the main air channel 142a, and the main air channel 142b is defined between the inner wall surface of the body portion 141 and the outer wall surface of the air channel portion 142.
The two main air channels 142b are formed by recessing the top surface of the body portion 141 downward. In this embodiment, the two main air channels 142b are respectively formed by recessing edges on the two radial sides of the top surface of the body portion 141 downward. Two vent holes 1230 respectively communicating the two main air channels 142b with the inhalation channel 1210 are further formed on the retaining wall 123 of the mouthpiece 12.
Airflows of the two main air channels 142b converge to the inhalation channel 1210 through the two vent holes 1230 respectively.
To ensure that the airflows flow out smoothly, the cross-sectional area of the air outlet channel 10b (including the total cross-sectional area of the at least one branch air channel 141b or the cross-sectional area of the main air channel 142b) is greater than or equal to the cross-sectional area of the air inlet channel 10a (including the total cross-sectional area of the at least one branch air channel 141a or the cross-sectional area of the main air channel 142a). In this way, it can be ensured that the air entering from the air inlet channel 10a can be inhaled through the air outlet channel 10b, and difficulty in inhalation caused by excessively large suction resistance can be avoided. In this embodiment, the total cross-sectional area of the two branch air channels 141b is not less than 2.5 mm2, for example, not less than 3.5 mm2, 5 mm2, 6.5 mm2, 8, mm2, or 10 mm2. In addition, the structure of the entire air outlet channel 10b needs to be as smooth as possible. In this embodiment, all the deflection angles of the airflow in the entire air outlet channel 10b are less than 90°.
The branch air channel 141a is formed between the mouthpiece 12 and the body portion 141, and may be formed by recessing the mouthpiece 12 and/or the body portion 141. In this embodiment, the branch air channel 141a is formed by recessing the body portion 141. Specifically, two air guiding grooves 1415 are respectively formed by recessing the outer wall surfaces on the two sides of the body portion 141. Two air guiding grooves 1416 respectively communicating the two air guiding grooves 1415 with the main air channel 142a are respectively formed by recessing the top surface of the body portion 141.
The air guiding grooves 1415 extend vertically, and an extension direction thereof may be parallel to the axial direction of the body portion 141 and the main air channel 142a, but is not limited thereto. The lower end of the air guiding groove 1415 communicates the air inlet hole 1220, and the upper end of the air guiding groove 1415 communicates with the air guiding groove 1416. One end of the air guiding groove 1416 communicates with the upper end of the air guiding groove 1415, and the other end extends transversely to communicate with the main air channel 142a. The bottom surface of the air guiding groove 1416 that is recessed inward forms the airflow guiding surface 1411.
Further, the two air guiding grooves 1416 also communicate with each other. The two air guiding grooves 1416 are symmetrically arranged on two radial sides of the main air channel 142a, and the top surfaces of the two air guiding grooves 1416 communicate with each other and are at 180° to each other, so that airflows entering from the two air guiding grooves 1416 counteract each other and are smoothly guided into the main air channel 142a by the airflow guiding surface 1411, thereby greatly reducing noise.
When the connector 14 is mounted in the receiving hole 1222 of the mouthpiece 12, the wall surface of the receiving hole 1222 and the retaining wall 123 respectively cover and seal the openings of the air guiding groove 1415 and the air guiding groove 1416, so that the air guiding groove 1415 and the air guiding groove 1416 respectively form a first air guiding section 1413 and a second air guiding section 1414 of the branch air channel 141a.
When entering the second air guiding section 1414 from the first air guiding section 1413, an airflow may deflect, and the deflection angle thereof is greater than 90°. To make circulation of the airflow more smoothly and reduce noise, a circular arc surface 1417 may also be used for transition at a joint (which is a joint between the bottom surfaces of the air guiding groove 1415 and the air guiding groove 1416 in this embodiment) between the first air guiding section 1413 and the second air guiding section 1414, and the airflow is guided through the circular arc surface 1417.
To further reduce noise of the air inlet channel 10a, the cross-section of the first air guiding section 1413 (or the air guiding groove 1415) is substantially flat. That is, the length dimension of the cross-section of the first air guiding section 1413 is greater than the width dimension thereof. In this embodiment, the cross-section of the first air guiding section 1413 is approximately rectangular, its length may range from 1.6 mm to 2 mm (including both ends), and its width may range from 0.65 mm to 1.15 mm (including both ends). Preferably, the length of the cross-section of the first air guiding section 1413 is approximately 1.8 mm, and the width thereof is approximately 0.85 mm. The main air channel 142a is cylindrical, and may have a diameter of from 1.8 mm to 2.2 mm (including both ends), to ensure that the cross-sectional area of the main air channel 142a is at least 2.5 mm2 (or greater than the cross-sectional area of a single first air guiding section 1413), excessive noise generated by direct conflict between airflows of the branch air channel 141a can be reduced.
In some embodiments, the mouthpiece assembly 11 may further include a holder 13 sleeved on the mouthpiece 12. The holder 13 is annular, is sleeved on the bottom of the mouthpiece 12, and may be made of a metal material. The metal material has smaller deformation in thermal expansion and contraction caused as the temperature changes, so that fixing between various components of the atomizer 10 is more stable and reliable, and the sealing performance is better.
In addition, the holder 13 made of the metal material may also be configured to magnetically connect to the power supply apparatus 20. Correspondingly, the power supply apparatus 20 includes at least one magnet 26, configured to magnetically cooperate with the holder 13. In this embodiment, two magnets 26 are included. The two magnets 26 are respectively received on the two sides of the upper part of the housing 21.
It may be understood that the foregoing technical features can be used in any combination without restriction.
While the invention has been illustrated and described in detail in the drawings and foregoing description, such illustration and description are to be considered illustrative or exemplary and not restrictive. It will be understood that changes and modifications may be made by those of ordinary skill within the scope of the following claims. In particular, the present invention covers further embodiments with any combination of features from different embodiments described above and below. Additionally, statements made herein characterizing the invention refer to an embodiment of the invention and not necessarily all embodiments.
The terms used in the claims should be construed to have the broadest reasonable interpretation consistent with the foregoing description. For example, the use of the article “a” or “the” in introducing an element should not be interpreted as being exclusive of a plurality of elements. Likewise, the recitation of “or” should be interpreted as being inclusive, such that the recitation of “A or B” is not exclusive of “A and B,” unless it is clear from the context or the foregoing description that only one of A and B is intended. Further, the recitation of “at least one of A, B and C” should be interpreted as one or more of a group of elements consisting of A, B and C, and should not be interpreted as requiring at least one of each of the listed elements A, B and C, regardless of whether A, B and C are related as categories or otherwise. Moreover, the recitation of “A, B and/or C” or “at least one of A, B or C” should be interpreted as including any singular entity from the listed elements, e.g., A, any subset from the listed elements, e.g., A and B, or the entire list of elements A, B and C.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202322524533.7 | Sep 2023 | CN | national |
