Atomizer and aerosol generating device

Abstract

The embodiment of the utility model provides an atomizer and an aerosol generating device. The atomizer comprises an atomizing assembly and a shell. The mounting base comprises an airflow channel, the two ends of the airflow channel communicate with the exterior of the mounting base, a mounting hole is formed in the inner wall of the airflow channel and communicates with the airflow channel and the exterior of the mounting base, the mounting hole is blocked by the atomization assembly, the shell and the mounting base jointly define a liquid storage cavity, the atomization assembly communicates with fluid in the liquid storage cavity, and the mounting base is of an integrated structure. According to the atomizer in the embodiment of the invention, the airflow channel is independently defined by the mounting base which is an independent part, so that gaps in the inner wall of the airflow channel are reduced, and the probability that aerosol enters the airflow channel and then is diffused to other areas in the atomizer through the gaps in the airflow channel is reduced; the aerosol discharging efficiency of the atomizer is improved, and the user experience is improved; the number of parts of the atomizer is reduced, and the assembly efficiency of the atomizer is improved.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to atomization technical field, concretely relates to a kind of atomizer and aerosol generating device. BACKGROUND

[0002] The aerosol generating device is used to generate aerosol for a user to inhale.

[0003] The aerosol generating device includes an atomizer, and an airflow passage is arranged in the atomizer. The aerosol generated by the atomized aerosol generating substrate mixes with the airflow in the airflow passage to form an aerosol, which flows out of the airflow passage with the airflow.

[0004] In the related art, the airflow passage is formed by a plurality of components being jointly connected. The joints between the components are prone to cause the aerosol to leak with the airflow, which affects the utilization rate of the aerosol and is not conducive to the user experience. SUMMARY

[0005] Therefore, the utility model embodiment aims to provide an atomizer and an aerosol generating device that can reduce the probability of airflow leakage in the atomizer.

[0006] To achieve the above object, the technical scheme of the utility model embodiment is as follows:

[0007] The utility model embodiment provides an atomizer, which includes:

[0008] an atomization assembly;

[0009] a housing;

[0010] a mounting seat, which includes an airflow passage, both ends of the airflow passage are communicated with the outside of the mounting seat, an inner wall of the airflow passage is provided with a mounting hole, the mounting hole is communicated with the outside of the mounting seat, the atomization assembly seals the mounting hole, the housing and the mounting seat jointly form a liquid storage cavity, the atomization assembly is in fluid communication with the liquid storage cavity, and the mounting seat is of an integrated structure.

[0011] In some embodiments, the airflow passage includes an atomization passage, an adapter passage and an air inlet passage, the mounting hole is arranged in the atomization passage, the adapter passage is communicated with the atomization passage and the air inlet passage and is located upstream of the atomization passage along the airflow flow direction, the air inlet passage and the atomization passage are both capable of being communicated with the outside of the atomizer, the atomization passage and the air inlet passage both extend along a first direction, and in a direction perpendicular to the first direction, the atomization passage and the air inlet passage are arranged staggeredly.

[0012] In some embodiments, the adapter channel extends along a second direction, the first direction intersects the second direction, and the adapter channel is open along one side in the second direction to communicate with the outside of the mounting seat.

[0013] In some embodiments, along the first direction, the size between the communicating position of the adapter channel with the air inlet channel and the inner wall of the adapter channel opposite to the communicating position is greater than 2.5 mm.

[0014] In some embodiments, along the first direction, the size between the communicating position of the adapter channel with the atomization channel and the inner wall of the adapter channel opposite to the communicating position is greater than 2 mm.

[0015] In some embodiments, the adapter channel is provided with a buffer groove along the inner wall of one side in the first direction, the buffer groove is open along one side in the first direction and faces the communicating position of the adapter channel with the air inlet channel.

[0016] In some embodiments, the buffer groove is a circular arc surface close to the inner wall of one side of the communicating position of the adapter channel with the atomization channel.

[0017] In some embodiments, the open position of the buffer groove is a circular arc transition close to the edge of one side of the communicating position of the adapter channel with the atomization channel.

[0018] In some embodiments, the airflow channel includes an atomization channel and an air inlet channel, the mounting hole is arranged in the atomization channel, the air inlet channel communicates with the atomization channel and is located upstream of the atomization channel in the airflow flow direction, the air inlet channel and the atomization channel can respectively communicate with the outside of the atomizer, and the atomization channel and the air inlet channel extend along the first direction and are aligned.

[0019] In some embodiments, the atomization assembly has an atomization surface in fluid communication with the atomization channel, and in a projection plane perpendicular to the first direction, the projection of the atomization surface is located within the projection range of the air outlet of the atomization channel.

[0020] In some embodiments, the atomization assembly has an atomization surface in fluid communication with the atomization channel, and the plane in which the atomization surface is located is parallel to the first direction.

[0021] Embodiments of the present application also provide an aerosol generating device including the atomizer of any of the foregoing embodiments.

[0022] In this embodiment of the application, the atomizer is independently enclosed by a separate component called the mounting base to form an airflow channel. This reduces the gaps on the inner wall of the airflow channel, thereby reducing the probability that aerosols will diffuse to other areas of the atomizer through the gaps in the airflow channel after entering it. This improves the efficiency of the atomizer in expelling aerosols, which is beneficial to enhancing the user experience. It also helps to reduce the number of atomizer components and improve the assembly efficiency of the atomizer. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of an atomizer in one embodiment of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the Chinese embodiment from another perspective;

[0025] Figure 3 for Figure 2 A cross-sectional diagram of position AA in the middle;

[0026] Figure 4 for Figure 3 A magnified view of a portion of position B, wherein the centerline passes through the first center and extends along the first direction;

[0027] Figure 5 This is a comparison chart of the carry-out efficiency of small particle size segment, medium particle size segment, and large particle size segment, as well as the flue gas conversion efficiency, in an embodiment and comparative example of this utility model.

[0028] Figure 6 This is a schematic diagram of the airflow velocity distribution in the comparative example;

[0029] Figure 7 This is a schematic diagram of airflow velocity distribution in one embodiment of the present invention;

[0030] Figure 8 This is a cross-sectional view of the atomizer in another embodiment of the present invention, and its cross-section position is similar to... Figure 2 The positions of AA in the text are the same;

[0031] Figure 9 for Figure 3 A cross-sectional view of the CC position in the middle;

[0032] Figure 10 for Figure 3 A cross-sectional view of the DD position in the middle;

[0033] Figure 11 This is a schematic diagram of the mounting base in one embodiment of this application.

[0034] Explanation of reference numerals in the attached figures

[0035] 10, atomizer; 11, atomizing assembly; 11a, atomizing surface; 12, housing; 12a, liquid storage cavity; 12b, air outlet passage; 13, mounting seat; 13a, air flow passage; 13aa, atomizing passage; 13ab, switching passage; 13ac, air inlet passage; 13b, mounting hole; 13c, buffer groove; 13ca, circular arc surface; 13d, air inlet; 13e, air outlet; 13ea, first center; 14, sealing sleeve. DETAILED DESCRIPTION

[0036] It should be noted that the embodiments and technical features in the present application can be combined with each other without conflict, and the detailed description in the specific embodiments should be understood as an explanation and illustration of the purpose of the present application, and should not be regarded as an improper limitation on the present application.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the terms "comprising" and "having," and any variations thereof, as used herein are intended to cover a non-exclusive inclusion.

[0038] In the description of the embodiments of the present application, the technical terms "first", "second", "third" and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0039] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily independent or alternative embodiments to each other. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0040] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents the "or" relationship between the front and rear associated objects.

[0041] In the description of the embodiments of the present application, for the convenience of description, as shown in the drawings of the specification, the direction of the arrow X is the straight line direction of the "first direction"; the direction of the arrow Y is the straight line direction of the "second direction".

[0042] In the description of the embodiments of the present application, unless explicitly defined and limited otherwise, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the embodiments of the present application can be understood according to the specific circumstances.

[0043] In the description of the embodiments of the present application, unless explicitly defined and limited otherwise, the technical term "contact" should be understood in a broad sense, which can be direct contact or contact through an intermediate medium layer, which can be contact between two contacting objects without interaction force, or contact between two contacting objects with interaction force.

[0044] The present application provides an atomizer 10, referring to Figures 1 to 4 The atomizer 10 comprises an atomization assembly 11, a shell 12 and a mounting seat 13.

[0045] The mounting seat 13 comprises an airflow passage 13a, both ends of the airflow passage 13a are communicated with the outside of the mounting seat 13, the inner wall of the airflow passage 13a is provided with a mounting hole 13b, the mounting hole 13b is communicated with the airflow passage 13a and the outside of the mounting seat 13, the atomization assembly 11 blocks the mounting hole 13b, the shell 12 and the mounting seat 13 jointly form a liquid storage cavity 12a, the atomization assembly 11 is in fluid communication with the liquid storage cavity 12a, and the mounting seat 13 is an integral structure.

[0046] Airflow can enter from one end of the airflow passage 13a and flow out from the other end.

[0047] The liquid storage cavity 12a is used for storing aerosol generating substrate. The aerosol generating substrate is a fluid medium and can flow in the liquid storage cavity 12a.

[0048] The atomization assembly 11 is used for atomizing the aerosol generating substrate by heating or the like.

[0049] The atomization assembly 11 is in fluid communication with the liquid storage cavity 12a, so that the aerosol generating substrate in the liquid storage cavity 12a can contact the atomization assembly 11.

[0050] The atomization assembly 11 blocks the mounting hole 13b, on the one hand, the aerosol generating substrate in the liquid storage cavity 12a is difficult to directly enter the airflow passage 13a; on the other hand, the aerosol generated by the atomization assembly 11 can directly diffuse into the airflow passage 13a.

[0051] The mounting seat 13 is of an integrated structure, which means that the mounting seat 13 is a separate part rather than an assembly formed by splicing multiple parts.

[0052] Referring to Figure 5 The small particle size section refers to aerosols with a diameter in the range of 0.8 micrometers (microns) to 2 microns; the medium particle size section refers to aerosols with a diameter in the range of 2.5 microns to 8 microns; and the large particle size section refers to aerosols with a diameter in the range of 10 microns to 50 microns. The comparative example is a technical solution in which the mounting seat 13 is formed by splicing multiple parts. The take-out efficiency refers to the percentage of the portion of aerosols in the corresponding particle size range that exits the airflow passage 13a out of the total number. The flue gas conversion efficiency is the efficiency with which the total aerosols obtained from the small particle size section, the medium particle size section, and the large particle size section are taken out of the airflow passage 13a. It can be seen from Figure 5 that, compared with the comparative example, the flue gas conversion efficiency of the mounting seat 13 of the integrated structure in the embodiment of the present application is significantly improved.

[0053] Referring to Figure 6 In the technical solution of the comparative example in which the mounting seat 13 is formed by splicing multiple parts, the flow rate of the airflow in different regions of the mounting seat 13. Referring to Figure 7 , the flow rate of the airflow in different regions of the mounting seat 13 in the technical solution of the embodiment of the present application in which the mounting seat 13 is of an integrated structure. Comparing Figure 6 and Figure 7 , it can be seen that, compared with the comparative example, the flow rate of the airflow in the embodiment of the present application is significantly reduced, and the difference between the flow rates in different regions is smaller, and the airflow flows more smoothly.

[0054] The atomizer 10 in the embodiment of the present application is formed by the airflow passage 13a being independently surrounded by the mounting seat 13, which is a separate part, thereby reducing the gaps on the inner wall of the airflow passage 13a, thereby reducing the probability that the aerosols that have entered the airflow passage 13a will diffuse to other regions of the atomizer 10 through the gaps in the airflow passage 13a after entering the airflow passage 13a, improving the efficiency of the atomizer 10 in discharging aerosols, and being conducive to improving the user experience; and being conducive to reducing the number of parts of the atomizer 10 and improving the assembly efficiency of the atomizer 10.

[0055] The specific way in which the mounting seat 13 forms an integrated structure is not limited, for example, the mounting seat 13 can be a single part that is formed by multiple sub-components through bonding and cannot be disassembled; or, for example, the mounting seat 13 is a single part that is formed by one-time manufacturing through injection molding, additive manufacturing, or the like.

[0056] The application further provides an aerosol generating device, which comprises the atomizer 10 in the foregoing embodiments. Thus, the mounting seat 13 adopts an integrated structure, which is beneficial to improve the overall air tightness of the aerosol generating device, reduce the probability of diffusion of the aerosol in the aerosol generating device, and prolong the service life of the aerosol generating device.

[0057] The specific structure of the airflow passage 13a is not limited.

[0058] In some embodiments, referring to Figure 4 and Figure 11 , the airflow passage 13a comprises an atomization passage 13aa, a switching passage 13ab, and an air inlet passage 13ac, the mounting hole 13b is arranged in the atomization passage 13aa, the switching passage 13ab is connected with the atomization passage 13aa and the air inlet passage 13ac and is located upstream of the atomization passage 13aa along the airflow flow direction, the atomization passage 13aa and the air inlet passage 13ac are both capable of being communicated with the outside of the atomizer 10, the atomization passage 13aa and the air inlet passage 13ac both extend along the first direction, and in a direction perpendicular to the first direction, the atomization passage 13aa and the air inlet passage 13ac are arranged staggeredly.

[0059] That is to say, the airflow flows along the air inlet passage 13ac, the switching passage 13ab, and the atomization passage 13aa in sequence.

[0060] It can be understood that the extension direction of the switching passage 13ab is different from those of the atomization passage 13aa and the air inlet passage 13ac.

[0061] The atomization passage 13aa and the air inlet passage 13ac are arranged staggeredly, which means that the connecting line formed by the center of the cross section of the atomization passage 13aa and the connecting line formed by the center of the cross section of the air inlet passage 13ac are not on the same line and are parallel.

[0062] Thus, it is beneficial to adapt the arrangement of the atomization passage 13aa and the air inlet passage 13ac to the shape and arrangement requirements of other components in the atomizer 10, and it is beneficial to make the structure of the atomizer 10 more compact.

[0063] In some embodiments, in a projection plane perpendicular to the first direction, the projection of at least part of the atomization passage 13aa is located outside the projection range of the air inlet passage 13ac, so as to adapt the arrangement of the atomization passage 13aa to the shape and arrangement requirements of other components in the atomizer 10.

[0064] In some embodiments, referring to Figure 4 , in a projection plane perpendicular to the first direction, the projection of the atomization passage 13aa is completely located outside the projection range of the air inlet passage 13ac, so as to better adapt the arrangement of the atomization passage 13aa to the shape and arrangement requirements of other components in the atomizer 10.

[0065] In some embodiments, one end of the air inlet passage 13ac is open to form an air inlet 13d of the airflow passage 13a, so that the airflow outside the atomizer 10 enters the airflow passage 13a through the opening of the air inlet passage 13ac.

[0066] It can be understood that the communication position of the atomization passage 13aa and the adapter passage 13ab is located on one side of the inner wall of the adapter passage 13ab along the first direction, and the communication position of the air inlet passage 13ac and the adapter passage 13ab is located on the other side.

[0067] In some embodiments, referring to Figure 4 , the adapter passage 13ab extends along a second direction, the first direction intersects the second direction, and one side of the adapter passage 13ab is open to communicate with the outside of the mounting seat 13.

[0068] In this way, during the manufacturing process of the mounting seat 13, the adapter passage 13ab can be formed by digging, stripping or other methods along the second direction, which is convenient for forming the adapter passage 13ab.

[0069] In some embodiments, the first direction is substantially perpendicular to the second direction.

[0070] In some embodiments, referring to Figure 4 , the adapter passage 13ab is connected to one of the atomization passage 13aa or the air inlet passage 13ac away from the end of the open position, so as to facilitate reducing the size of the adapter passage 13ab and reducing the manufacturing difficulty.

[0071] In some embodiments, referring to Figure 4 , along the second direction, the cross-sectional area of the adapter passage 13ab gradually decreases along the direction away from the open position, and the adapter passage 13ab is connected to the atomization passage 13aa away from the end of the open position.

[0072] In this way, on the one hand, the mounting seat 13 can be stripped to form the adapter passage 13ab during the manufacturing process; on the other hand, the airflow in the adapter passage 13ab can be converged into the atomization passage 13aa.

[0073] In some embodiments, referring to Figure 3 and Figure 4 , the atomizer 10 further comprises a sealing sleeve 14, at least part of the sealing cover of the sealing sleeve 14 is arranged at the open position of the adapter passage 13ab, so as to reduce the risk of leakage of the airflow in the airflow passage 13a through the opening formed by the open position of the adapter passage 13ab.

[0074] In some embodiments, referring to Figure 4In the first direction, the size between the position where the adapter passage 13ab communicates with the air inlet passage 13ac and the inner wall of the adapter passage 13ab opposite to it is greater than 2.5 mm. That is, in the first direction, the size between the position where the adapter passage 13ab communicates with the air inlet passage 13ac and the inner wall of the adapter passage 13ab opposite to it is L1, and L1>2.5 mm (millimetre).

[0075] In this way, after the airflow flows out from the air inlet passage 13ac into the adapter passage 13ab, the process of turning the airflow is more gentle and smooth in the process of changing from flowing in the first direction to flowing in the second direction, which reduces the probability of turbulence of the airflow, reduces the resistance of the airflow, reduces the probability of the airflow rebounding after colliding with the inner wall of the adapter passage 13ab in the first direction and then hindering the subsequent airflow from entering, and is beneficial to reducing the noise generated by the airflow flowing in the adapter passage 13ab.

[0076] In the first direction, the size between the position where the adapter passage 13ab communicates with the air inlet passage 13ac and the inner wall of the adapter passage 13ab opposite to it can be 2.6 mm, 2.7 mm, 2.8 mm, 2.9 mm, 3 mm, 3.1 mm, 3.2 mm, 3.3 mm, 3.4 mm, 3.5 mm, etc.

[0077] In some embodiments, referring to Figure 4 In the first direction, the size between the position where the adapter passage 13ab communicates with the atomization passage 13aa and the inner wall of the adapter passage 13ab opposite to it is greater than 2 mm. That is, in the first direction, the size between the position where the adapter passage 13ab communicates with the atomization passage 13aa and the inner wall of the adapter passage 13ab opposite to it is L7, and L7>2 mm.

[0078] In this way, it is beneficial to make the airflow flow more smoothly in the process of turning from the adapter passage 13ab into the atomization passage 13aa.

[0079] It can be understood that, since the mounting seat 13 is a one-piece structure, the inner wall corresponding to the position where the airflow turns from the adapter passage 13ab into the atomization passage 13aa has no gap, which is beneficial to make the airflow flow more smoothly.

[0080] In some embodiments, referring to Figure 4 The inner wall of one side of the adapter passage 13ab in the first direction is provided with a buffer groove 13c, and the buffer groove 13c is open on one side in the first direction and faces the position where the adapter passage 13ab communicates with the air inlet passage 13ac.

[0081] The transition passage 13ab is recessed in the inner wall on the side away from the communication position of the transition passage 13ab and the air inlet passage 13ac in the first direction to form a buffer groove 13c.

[0082] After the air flow enters the transition passage 13ab, it can enter the buffer groove 13c through the open position of the buffer groove 13c, and diffuse around the buffer groove 13c perpendicular to the first direction under the constraint of the inner wall of the buffer groove 13c.

[0083] In this way, through the constraint effect of the inner wall of the buffer groove 13c, the probability of air flow forming turbulence in the transition passage 13ab is reduced, which is conducive to the smoother flow of air flow to the atomization passage 13aa.

[0084] In some embodiments, in the projection plane perpendicular to the first direction, the projection of the communication position of the transition passage 13ab and the air inlet passage 13ac is located in the projection range of the open position of the buffer groove 13c.

[0085] In this way, it is beneficial for the air flow flowing out of the air inlet passage 13ac to be able to enter the buffer groove 13c more, so that the flow direction of the air flow is constrained by the inner wall of the buffer groove 13c, thereby further reducing the probability of air flow forming turbulence in the transition passage 13ab.

[0086] In some embodiments in which the transition passage 13ab is open on one side in the second direction, referring to Figure 4 , the buffer groove 13c is open on the side close to the open position of the transition passage 13ab in the second direction, thereby facilitating the manufacture of the buffer groove 13c.

[0087] In some embodiments, referring to Figure 4 , the inner wall of the buffer groove 13c on the side close to the communication position of the transition passage 13ab and the atomization passage 13aa is a circular arc surface 13ca.

[0088] It can be understood that at least part of the air flow flows in the buffer groove 13c until it contacts the inner wall of the buffer groove 13c on the side close to the communication position of the transition passage 13ab and the atomization passage 13aa, and under the constraint of this part of the inner wall, the air flow changes direction and flows out of the buffer groove 13c and flows towards the atomization passage 13aa.

[0089] In this way, this part of the inner wall is a circular arc surface 13ca, which is conducive to making the process of guiding the change of direction of the air flow more gentle and smooth, thereby reducing the probability of turbulence of the air flow during the change of direction.

[0090] In some embodiments, referring to FIG. 1 and FIG. 2, the inner wall of the buffer groove 13c perpendicular to the circumferential side of the first direction is a circular arc surface 13ca. In this way, it is beneficial to make all the gas flow out of the buffer groove 13c to achieve a more gentle and smooth turning under the constraint of the inner wall of the buffer groove 13c, reduce the probability of turbulence, and make the gas flow in the switching channel 13ab more smooth.

[0091] In some embodiments, referring to Figure 4 , the open position of the buffer groove 13c is close to the side edge of the communication position of the switching channel 13ab and the atomization channel 13aa, which is a circular arc transition.

[0092] That is, the structure forming the opening of the buffer groove 13c is rounded on one side close to the communication position of the switching channel 13ab and the atomization channel 13aa.

[0093] In this way, it is beneficial to guide the gas flow out of the buffer groove 13c more gently and smoothly, thereby reducing the probability of turbulence of the gas flow in the process of flowing out.

[0094] In some embodiments, referring to Figure 8 , the minimum distance between the communication position of the switching channel 13ab and the air inlet channel 13ac and the top wall of the buffer groove 13c along the first direction is greater than 2mm. That is, the minimum distance between the communication position of the switching channel 13ab and the air inlet channel 13ac and the top wall of the buffer groove 13c along the first direction is L2, L2>2mm.

[0095] In this way, it is beneficial to reduce the probability of turbulence of the gas flow, reduce the resistance of the gas flow, and reduce the probability of the gas flow rebounding after hitting the inner wall of the buffer groove 13c along the first direction and hindering the subsequent gas flow.

[0096] The specific size of the minimum distance between the communication position of the switching channel 13ab and the air inlet channel 13ac and the top wall of the buffer groove 13c along the first direction can be 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 3mm, 3.5mm, etc.

[0097] In some embodiments, referring to Figure 4 , the gas flow channel 13a includes an atomization channel 13aa and an air inlet channel 13ac, the mounting hole 13b is arranged in the atomization channel 13aa, the air inlet channel 13ac is communicated with the atomization channel 13aa and is located upstream of the atomization channel 13aa along the gas flow direction, the air inlet channel 13ac and the atomization channel 13aa can be respectively communicated with the outside of the atomizer 10, and the atomization channel 13aa and the air inlet channel 13ac extend along the first direction and are aligned.

[0098] That is, the atomization channel 13aa and the air inlet channel 13ac are directly communicated.

[0099] The alignment of the atomization channel 13aa and the air inlet channel 13ac means that a line formed by the center of the cross section of the atomization channel 13aa and a line formed by the center of the cross section of the air inlet channel 13ac are on the same straight line.

[0100] In this way, after the airflow enters the air inlet channel 13ac, the airflow can flow into the atomization channel 13aa in the first direction all the time, which is conducive to reducing the probability of the airflow turning during the flow process and reducing the probability of turbulence occurring during the flow process of the airflow, so that the flow of the airflow is smoother.

[0101] In some embodiments, referring to Figure 11 and Figure 4 , the mounting hole 13b is arranged on a side of the atomization channel 13aa perpendicular to the first direction, that is, the atomization assembly 11 is located on a side of the atomization channel 13aa perpendicular to the first direction.

[0102] In some embodiments, the atomization assembly 11 has an atomization surface 11a, and the atomization surface 11a is in fluid communication with the atomization channel 13aa.

[0103] The atomization surface 11a refers to a part of the outer surface of the atomization assembly 11 that can atomize the aerosol generating substrate.

[0104] In this way, the aerosol generating substrate atomized by the atomization surface 11a can directly enter the atomization channel 13aa, so as to mix with the airflow entering the atomization channel 13aa to form an aerosol.

[0105] In some embodiments, referring to Figure 10 , a plane in which the atomization surface 11a is located is parallel to the first direction.

[0106] That is, the atomization surface 11a and the atomization channel 13aa both extend in the first direction.

[0107] In this way, it is conducive to increasing the probability of the airflow in the atomization channel 13aa contacting the atomization surface 11a during the flow process in the first direction and improving the mixing effect between the airflow and the atomized aerosol generating substrate.

[0108] In some embodiments, referring to Figure 4 , in a projection plane perpendicular to the first direction, a projection of the atomization surface 11a is located outside a projection range of an air inlet 13d of the atomization channel 13aa.

[0109] That is, the atomization surface 11a and the structure of the mounting seat 13 for forming the air inlet 13d of the atomization channel 13aa are staggered in a direction perpendicular to the first direction.

[0110] Therefore, the airflow from the air inlet 13d of the atomization channel 13aa can flow into the atomization assembly 11 without being blocked by the atomization assembly 11 itself, which is conducive to the airflow flowing through the atomization face 11a more smoothly, thereby improving the mixing effect between the airflow and the atomized aerosol generating substrate.

[0111] In some embodiments in which the atomization face 11a is parallel to the first direction and the projection of the atomization face 11a is located outside the projection range of the air inlet 13d of the atomization channel 13aa, referring to Figure 10 and Figure 9 In the projection plane perpendicular to the first direction, the distance between the projection contour of the air inlet 13d near the end of the atomization assembly 11 and the projection of the atomization face 11a is not greater than 1.1 mm along the normal direction of the projection of the atomization face 11a. That is, the distance between the projection contour of the air inlet 13d near the end of the atomization assembly 11 and the projection of the atomization face 11a is L3, and L3≤1.1 mm.

[0112] Therefore, within the above range, the efficiency of the aerosol particles leaving the atomization channel 13aa along with the airflow is improved, the residual aerosol in the atomization channel 13aa is reduced, and the user experience is improved.

[0113] In some embodiments, the distance between the projection contour of the air inlet 13d near the end of the atomization assembly 11 and the projection of the atomization face 11a ranges from 0.2 mm to 0.4 mm. That is, 0.2 mm≤L3≤0.4 mm. Therefore, the efficiency of the aerosol leaving the atomization channel 13aa is further improved.

[0114] In the above embodiments, the specific value of the distance between the projection contour of the air inlet 13d near the end of the atomization assembly 11 and the projection of the atomization face 11a can be 0 mm, 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, or 1.1 mm.

[0115] It should be noted that the distance between the projection contour of the air inlet 13d near the end of the atomization assembly 11 and the projection of the atomization face 11a is 0 mm, which means that a part of the projection contour of the air inlet 13d coincides with the projection of the atomization face 11a.

[0116] In some embodiments, referring to Figure 3 In the projection plane perpendicular to the first direction, at least part of the projection of the atomization face 11a is located within the projection range of the air outlet 13e of the atomization channel 13aa.

[0117] That is, the atomization face 11a is staggered with the structure forming the air outlet 13e of the atomization channel 13aa in the direction perpendicular to the first direction.

[0118] Therefore, the structure of the airflow flowing to the air outlet 13e forming the atomization channel 13aa is not blocked, which is conducive to the airflow flowing out of the atomization channel 13aa more smoothly, thereby reducing the resistance of the airflow flowing.

[0119] In some embodiments, referring to Figure 4 and Figure 3 , the shell 12 is provided with an air outlet channel 12b extending along the first direction and communicating the atomization channel 13aa with the outside of the atomizer 10.

[0120] Therefore, the airflow and aerosol are discharged from the atomizer 10 through the air outlet channel 12b for the user to smoke.

[0121] In some embodiments, referring to Figure 4 , Figure 9 and Figure 4 , the atomization surface 11a is parallel to the first direction, and in the projection plane perpendicular to the first direction, the geometric center of the projection range of the air outlet 13e is the first center 13ea, the first center 13ea is located on the side of the projection of the atomization surface 11a away from the atomization assembly 11, and the distance between the first center 13ea and the atomization surface 11a along the normal direction of the working plane is not more than 1.75 mm. That is, the distance between the first center 13ea and the atomization surface 11a is L4, and L4≤1.75 mm.

[0122] Therefore, it is conducive to making the structure of the atomizer 10 compact while facilitating the airflow to flow out of the atomization channel 13aa more smoothly.

[0123] The distance between the projection contour of the air outlet 13e and the edge of the working plane away from the first center 13ea can be specifically 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, etc.

[0124] In some embodiments, referring to Figure 10 , the distance between the atomization surface 11a and the inner wall on the opposite side of the atomization surface 11a where the atomization channel 13aa is located is in the range of 2 mm to 4.5 mm. That is, the distance between the atomization surface 11a and the inner wall on the opposite side of the atomization surface 11a where the atomization channel 13aa is located is L5, and 2 mm≤L5≤4.5 mm.

[0125] Therefore, it is conducive to the cross-sectional size of the atomization channel 13aa meeting the flow demand of the airflow, and improving the mixing effect between the airflow and the atomized aerosol-forming substrate after the airflow enters the atomization channel 13aa.

[0126] The distance between the atomization face 11a and the inner wall on the opposite side of the atomization face 11a where the atomization channel 13aa is located can be 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, etc.

[0127] In some embodiments, referring to Figure 4 In the projection plane perpendicular to the first direction, the projection of the air inlet 13d of the atomization channel 13aa is a rectangle, and the long side of the projection is parallel to the atomization face 11a.

[0128] In this way, it is beneficial to make the airflow flowing out of the air inlet 13d of the atomization channel 13aa directly flow through the plane where the atomization face 11a is located, and increase the area of the atomization face 11a through which the airflow can flow, thereby improving the mixing effect between the airflow and the atomized aerosol generating substrate.

[0129] In some embodiments, the cross-sectional area of the air inlet 13d of the atomization channel 13aa is greater than 3 mm 2 (square millimeter).

[0130] In this way, it is beneficial to make the airflow flowing into the atomization channel 13aa meet the demand and reduce the resistance of the airflow entering the atomization channel 13aa.

[0131] The cross-sectional area of the air inlet 13d of the atomization channel 13aa can be 3.1 mm 2 , 3.2 mm 2 , 3.3 mm 2 , 3.4 mm 2 , 3.5 mm 2 , 3.6 mm 2 , 3.8 mm 2 , 4.0 mm 2 , 4.2 mm 2 , 4.5 mm 2 , 5 mm 2 , etc.

[0132] In some embodiments, referring to ​ In the first direction, the distance between the atomization face 11a and the air inlet 13d of the atomization channel 13aa is greater than 0.2 mm. That is, the distance between the atomization face 11a and the air inlet 13d of the atomization channel 13aa is L6, and L6>0.2 mm.

[0133] In this way, it is beneficial to make the airflow entering the atomization channel 13aa have enough space to diffuse to contact the edge of the atomization face 11a, thereby improving the mixing effect between the airflow and the atomized aerosol generating substrate.

[0134] The distance between the atomization surface 11a and the air inlet 13d of the atomization channel 13aa can be 0.21mm, 0.22mm, 0.23mm, 0.25mm, 0.26mm, 0.28mm, 0.3mm, 0.35mm, 0.4mm, etc.

[0135] In some embodiments, the aerosol-generating device further comprises a power supply assembly electrically connected to the atomization assembly 11 to provide electrical energy to the atomization assembly 11, so that the atomization assembly 11 converts the electrical energy into heat energy.

[0136] The various embodiments / implementation manners of the utility model can be combined with each other without contradiction.

[0137] The above merely describes the preferred technical solutions of the embodiments of the utility model and is not used to limit the protection scope of the embodiments of the utility model. For those skilled in the art, the embodiments of the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the utility model shall be included in the protection scope of the embodiments of the utility model.

Claims

1. An atomizer characterized by, The atomization assembly comprises: an atomization assembly; a housing; a mounting base comprising an airflow channel, both ends of the airflow channel being in communication with the outside of the mounting base, an inner wall of the airflow channel being provided with a mounting hole, the mounting hole being in communication with the airflow channel and the outside of the mounting base, the atomization assembly plugging the mounting hole, the housing and the mounting base jointly forming a liquid storage cavity, the atomization assembly being in fluid communication with the liquid storage cavity, the mounting base being of an integrated structure.

2. The atomizer of claim 1, wherein, The airflow channel comprises an atomization channel, an adapter channel and an air inlet channel, the mounting hole being arranged in the atomization channel, the adapter channel being in communication with the atomization channel and the air inlet channel and being located upstream of the atomization channel along the airflow flow direction, the air inlet channel and the atomization channel being respectively capable of being in communication with the outside of the atomizer, the atomization channel and the air inlet channel extending along a first direction, in a direction perpendicular to the first direction, the atomization channel and the air inlet channel being staggered.

3. The atomizer of claim 2, wherein, The adapter channel extends along a second direction, the first direction intersecting the second direction, an inner wall of the adapter channel along the second direction being open to be in communication with the outside of the mounting base.

4. The atomizer of claim 2, wherein, In the first direction, the size between the communication position of the adapter channel and the air inlet channel and the inner wall of the adapter channel opposite to the communication position is greater than 2.5 mm; and / or, in the first direction, the size between the communication position of the adapter channel and the atomization channel and the inner wall of the adapter channel opposite to the communication position is greater than 2 mm.

5. The atomizer of claim 2, wherein, An inner wall of the adapter channel along one side of the first direction is provided with a buffer groove, the buffer groove being open along one side of the first direction and being directed towards the communication position of the adapter channel and the air inlet channel.

6. The atomizer of claim 5, wherein, The side inner wall of the buffer groove close to the communication position of the adapter channel and the atomization channel is a circular arc surface; and / or, the open position of the buffer groove close to the side edge of the communication position of the adapter channel and the atomization channel is a circular arc transition.

7. The atomizer of claim 1, wherein, The airflow channel comprises an atomization channel and an air inlet channel, the mounting hole being arranged in the atomization channel, the air inlet channel being in communication with the atomization channel and being located upstream of the atomization channel along the airflow flow direction, the air inlet channel and the atomization channel being respectively capable of being in communication with the outside of the atomizer, the atomization channel and the air inlet channel extending along a first direction and being aligned.

8. The atomizer of claim 2 or 7, wherein, The atomization assembly has an atomization surface, the atomization surface being in fluid communication with the atomization channel, in a projection plane perpendicular to the first direction, the projection of the atomization surface being located within the projection range of the air outlet of the atomization channel.

9. The atomizer of claim 2 or 7, wherein, The atomization assembly has an atomization surface, the atomization surface being in fluid communication with the atomization channel, a plane where the atomization surface is located being parallel to the first direction.

10. An aerosol-generating device comprising: The atomizer of any one of claims 1-9 is included.

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