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 core, a mounting cover and a mounting assembly, and the atomizing core is provided with an atomizing cavity; the mounting assembly is provided with a mounting space and a ventilation channel, the atomizing core is arranged in the mounting space, the atomizing core and the inner wall of the mounting space jointly define a main storage cavity, the atomizing cavity is isolated from the main storage cavity, the mounting cover is arranged on one side of the mounting assembly, the mounting cover and the mounting assembly define a flow guide space, and the mounting cover is provided with an air inlet hole; an inlet of the atomization cavity communicates with the diversion space, the ventilation channel communicates with the diversion space and the main storage cavity, and the air inlet communicates with the diversion space and the outside of the atomizer. According to the atomizer in the embodiment of the utility model, the risk that the aerosol generating matrix flowing out of the ventilation channel directly enters the mouth of a user due to suction of the user is reduced, and the use experience of the user is improved.

Description

Technical Field

[0001] The embodiments of the present utility model relate to the technical field of atomization, and particularly to an atomizer and an aerosol generating device. Background Art

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

[0003] An air exchange channel is provided in the aerosol generating device. The air exchange channel is used to connect the space for storing the aerosol generating matrix in the aerosol generating device and the outside through the air flow channel inside the aerosol generating device. After the aerosol generating matrix in the aerosol generating device is consumed to a certain extent, it is to achieve the purpose of maintaining the air pressure balance between the space for storing the aerosol generating matrix in the aerosol generating device and the outside of the aerosol generating device, so as to facilitate the contact between the aerosol production matrix and the atomization core for converting the aerosol generating matrix into an aerosol.

[0004] In the related art, one end opening of the air exchange channel is located at or near the atomization chamber. Since the user will create a negative pressure in the atomization chamber during the inhalation of the aerosol, the aerosol generating matrix in the main storage chamber can enter the atomization chamber through the air exchange channel under the action of the negative pressure, and thus may enter the user's mouth under the entrainment of the air flow, affecting the user experience. Summary of the Utility Model

[0005] In view of this, the embodiments of the present utility model are expected to provide an atomizer and an aerosol generating device that can reduce the probability of the aerosol generating matrix entering the atomization chamber through the air exchange channel.

[0006] To achieve the above object, the technical solution of the embodiments of the present utility model is realized as follows:

[0007] The embodiments of the present utility model provide an atomizer, which includes:

[0008] An atomization core, having an atomization chamber;

[0009] An installation component, provided with an installation space and an air exchange channel. The atomization core is arranged in the installation space and together with the inner wall of the installation space forms a main storage chamber. The atomization chamber is isolated from the main storage chamber;

[0010] An installation cover, arranged on one side of the installation component and together with the installation component forms a diversion space. The installation cover has an air inlet hole. The entrance of the atomization chamber is communicated with the diversion space. The air exchange channel communicates the diversion space with the main storage chamber. The air inlet hole communicates the diversion space with the outside of the atomizer.

[0011] In some embodiments, the entrance of the atomization chamber is located on one side of the guide space along the first direction, and the outlet of the air inlet is located on the other side. The cross-sectional area of the entrance of the atomization chamber perpendicular to the first direction is smaller than the area of any cross-section of the guide space perpendicular to the first direction.

[0012] In some embodiments, in a projection plane perpendicular to the first direction, a projection of the communication opening between the ventilation channel and the flow guiding space is located outside a projection range of the inlet of the atomization chamber.

[0013] In some embodiments, the communication port between the ventilation channel and the flow guiding space and the inlet of the atomization chamber are located on the same side of the flow guiding space along the first direction.

[0014] In some embodiments, the mounting assembly includes a shell and a sealing cover, wherein the shell is provided with a mounting cavity, the mounting cavity is open on one side along a first direction, the atomizer core is located in the mounting cavity, the sealing cover is sealingly covered on the opening of the mounting cavity and is sealed with the atomizer core along the first direction, the sealing cover is provided with an air passage running through along the first direction, the atomizer core, the sealing cover and the shell are jointly enclosed to form the main storage cavity, the ventilation channel is provided on the sealing cover, the mounting cover is located on a side of the sealing cover away from the atomizer core along the first direction, at least a portion of the mounting cover is spaced from the sealing cover to form the guide space, and the air passage connects the guide space with the atomizer chamber.

[0015] In some embodiments, the sealing cover includes a sealing body and a capillary tube, the sealing body seals the opening of the mounting cavity, the sealing body is provided with a mounting hole passing through along the first direction, the mounting hole connects the guide space and the main storage cavity, the capillary tube is passed through the mounting hole and sealed with the inner wall of the mounting hole, and the ventilation channel is provided in the capillary tube.

[0016] In some embodiments, the nebulizer further includes a liquid storage component, which is located in the main storage chamber. The liquid storage component is provided with pores so as to be able to absorb the aerosol-generating matrix through capillary action, and one end opening of the ventilation channel is located inside the liquid storage component.

[0017] In some embodiments, the main storage chamber includes a main chamber and a liquid inlet channel, the atomization chamber is isolated from the main chamber, the liquid inlet channel connects the main chamber with the outside of the nebulizer, and the nebulizer further includes a liquid storage member, the liquid storage member is located in the main chamber, and the liquid storage member is provided with pores to absorb the aerosol-generating matrix by capillary action;

[0018] One end opening of the ventilation channel is connected to the liquid inlet channel;

[0019] And / or, the connection position of the liquid inlet channel and the main cavity is located on the first wall of the main cavity. A cavity is formed at an interval between the liquid storage member and the first wall, and one end opening of the air exchange channel communicates with the cavity.

[0020] In some embodiments, the length dimension of the air exchange channel along its extending direction is 5 mm to 20 mm;

[0021] And / or, the area of the cross-section of the air exchange channel perpendicular to its extending direction is 0.02 mm 2 to 0.8 mm 2 .

[0022] An embodiment of the present invention further provides an aerosol generating device. The aerosol generating device includes a storage member and the atomizer in any one of the foregoing embodiments. An additional storage cavity is provided in the storage member. The main storage cavity and the additional storage cavity communicate with each other, and the air inlet hole communicates with the outside of the aerosol generating device.

[0023] In the atomizer of the embodiment of the present invention, the main storage cavity communicates with the diversion space located upstream of the atomization cavity along the air flow direction through the air exchange channel, achieving the purpose of communicating the main storage cavity with the external space of the atomizer, facilitating the flow of the aerosol generating matrix in the main storage cavity to contact the atomization core; at the same time, reducing the risk that the aerosol generating matrix flowing out of the air exchange channel due to the user's suction directly enters the user's mouth, which is beneficial to improving the user experience. Description of the Drawings

[0024] Figure 1 is a schematic diagram of the atomizer in the first embodiment of the present invention;

[0025] Figure 2 is Figure 1 a sectional perspective view of the embodiment in, and its sectional position is at the A-A position;

[0026] Figure 3 is Figure 1 a sectional perspective view of the embodiment in, and its sectional position is at the B-B position;

[0027] Figure 4 is an axonometric schematic diagram of the mounting assembly in an embodiment of the present invention, and its sectional position is the same as the Figure 1 A-A position in;

[0028] Figure 5 is a sectional view of the atomizer in the second embodiment of the present invention;

[0029] Figure 6 is a sectional view of the atomizer in the third embodiment of the present invention;

[0030] Figure 7 Isometric schematic diagram of an atomizer in an embodiment of the present utility model;

[0031] Figure 8 Is Figure 7 Schematic diagram of the embodiment from another perspective;

[0032] Figure 9 Is Figure 8 Schematic diagram of a sectional view taken at the C-C position in;

[0033] Description of reference numerals

[0034] 10. Atomizer; 11. Atomization core; 11a. Atomization cavity; 12. Installation assembly; 12a. Installation space; 12b. Diversion space; 12c. Ventilation channel; 12d. Main storage cavity; 12e. Air outlet channel; 12f. Liquid inlet channel; 12g. Communication port; 12h. Main cavity; 12i. Cavity; 12j. Opening; 121. Housing; 121a. Installation cavity; 121b. First wall; 122. Sealing cover; 122a. Air passage; 1221. Sealing body; 1221a. Installation hole; 1222. Capillary; 123. Sealing member; 13. Liquid storage member; 14. Liquid absorption member; 15. Installation cover; 15a. Air inlet hole; 20. Storage member; 20a. Additional storage cavity; 20b. Suction channel. Detailed implementation manners

[0035] It should be noted that, without conflict, the technical features in the embodiments of the present utility model can be combined with each other. The detailed description in the detailed implementation manners should be understood as an explanatory illustration of the purpose of the embodiments of the present utility model, and should not be regarded as an improper limitation of the embodiments of the present utility model.

[0036] In the description of the embodiments of the present utility model, the "first direction" orientation or positional relationship is based on the orientation or positional relationship shown by the arrow X in Figure 2 、 Figures 3 to 6 、 Figure 9 . It should be understood that these orientation terms are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the embodiments of the present utility model.

[0037] The embodiments of the present utility model provide an atomizer 10, which is used for an aerosol generating device. The atomizer 10 can convert an aerosol generating matrix into an aerosol for a user to inhale,

[0038] Referring to Figures 1 to 4 , the atomizer 10 includes an atomization core 11, an installation assembly 12 and an installation cover 15.

[0039] The atomization core 11 has an atomization chamber 11a; the installation assembly 12 is provided with an installation space 12a, a diversion space 12b, a ventilation channel 12c and an air inlet hole 15a. The atomization core 11 is arranged in the installation space 12a and jointly encloses a main storage chamber 12d with the inner wall of the installation space 12a. The atomization chamber 11a is isolated from the main storage chamber 12d. The installation cover 15 is arranged on one side of the installation assembly 12 and encloses the diversion space 12b with the installation assembly 12. The installation cover 15 has an air inlet hole 15a. The inlet of the atomization chamber 11a is communicated with the diversion space 12b. The ventilation channel 12c communicates the diversion space 12b with the main storage chamber 12d, and the air inlet hole 15a communicates the diversion space 12b with the outside of the atomizer 10.

[0040] After the atomization core 11 contacts the aerosol-forming substrate, it can convert the aerosol-forming substrate into aerosol through heating or other means. The aerosol enters the atomization chamber 11a and is discharged from the atomization core 11 for the user to inhale.

[0041] It can be understood that during the process of the user using the atomizer 10 to inhale the aerosol, the outlet of the atomization chamber 11a is communicated with the user's mouth through the channel in the aerosol generation device, so that the aerosol enters the user's mouth through the negative pressure generated by the user's inhalation.

[0042] The installation space 12a is used to accommodate the atomization core 11 and the aerosol-forming substrate.

[0043] At least part of the atomization core 11 is spaced from the inner wall of the installation space 12a to form a main storage chamber 12d. The main storage chamber 12d is used to accommodate the aerosol-forming substrate. The aerosol-forming substrate in the main storage chamber 12d contacts the atomization core 11 to achieve the purpose of the atomization core 11 converting the aerosol-forming substrate into aerosol.

[0044] The aerosol-forming substrate is a liquid fluid.

[0045] The atomization chamber 11a is isolated from the main storage chamber 12d, so that it is difficult for the aerosol-forming substrate in the main storage chamber 12d to enter the atomization chamber 11a without being converted into aerosol, thereby reducing the probability of the aerosol-forming substrate directly entering the user's mouth.

[0046] Through the air inlet hole 15a and the diversion space 12b, the air flow outside the atomizer 10 can enter the atomization chamber 11a through the inlet of the atomization chamber 11a.

[0047] It should be noted that the inlet of the atomization chamber 11a refers to the opening located upstream of the atomization chamber 11a along the air flow direction; the outlet of the atomization chamber 11a refers to the opening located downstream of the atomization chamber 11a along the air flow direction.

[0048] It can be understood that the atomization chamber 11a is in communication with the outside of the atomizer 10. As the aerosol - generating substrate in the main storage chamber 12d is continuously consumed, the air pressure in the space of the main storage chamber 12d will form a negative pressure relative to the air pressure in the atomization chamber 11a, thus affecting the flow of the aerosol - generating substrate in the main storage chamber 12d, and making it difficult for the stored aerosol - generating substrate to come into contact with the atomization core 11 more fully.

[0049] Therefore, the main storage chamber 12d is in communication with the outside through the ventilation channel 12c, the diversion space 12b, the air inlet hole 15a and the atomization chamber 11a. When the atomizer 10 is in a non - working state, the outside air can enter the main storage chamber 12d, so that the aerosol - generating substrate can maintain fluidity in the main storage chamber 12d and will not leak out in the non - working state.

[0050] It can be understood that due to the negative pressure during the user's suction process, there is a risk that the aerosol - generating substrate in the main storage chamber 12d flows out through the ventilation channel 12c. Through the diversion space 12b located upstream of the atomization chamber 11a in the air - flow direction, on the one hand, even if the aerosol - generating substrate flows into the diversion space 12b through the ventilation channel 12c, the space in the diversion space 12b can accommodate a certain amount of the aerosol - generating substrate, and the diversion space 12b increases the difficulty for the aerosol - generating substrate to enter the atomization chamber 11a, reducing the probability that the aerosol - generating substrate enters the user's mouth along with the air flow under the negative pressure generated by the user's suction through the atomization chamber 11a; on the other hand, since the diversion space 12b is located upstream of the atomization chamber 11a, the aerosol - generating substrate in the diversion space 12b will enter the atomization chamber 11a even if it flows with the air flow, and then can be converted into aerosol under the action of the atomization core 11, thus reducing the probability that the liquid aerosol - generating substrate enters the user's mouth.

[0051] In the atomizer 10 according to the embodiment of the present utility model, the main storage chamber 12d is in communication with the diversion space 12b located upstream of the atomization chamber 11a in the air - flow direction through the ventilation channel 12c, achieving the purpose of communicating the main storage chamber 12d with the external space of the atomizer 10, facilitating the flow of the aerosol - generating substrate in the main storage chamber 12d to contact the atomization core 11; at the same time, reducing the risk that the aerosol - generating substrate flowing out from the ventilation channel 12c directly enters the user's mouth due to the user's suction, which is beneficial to improving the user experience.

[0052] The number of the ventilation channels 12c can be one or more.

[0053] It can be understood that referring to Figures 1 to 4, the installation component 12 is also provided with an air outlet channel 12e. The outlet of the atomization chamber 11a is communicated with the air outlet channel 12e, and the air outlet channel 12e is communicated with the outside of the atomizer 10. Through the air outlet channel 12e, communication with the part of the aerosol generating device that is directly communicated with the user's oral cavity is achieved, so that the aerosol generated in the atomization chamber 11a can enter the user's mouth.

[0054] In some embodiments, referring to Figure 2 , the inlet of the atomization chamber 11a is located on one side of the diversion space 12b along the first direction, and the outlet of the air inlet hole 15a is located on the other side. This is beneficial to reducing the length of the flow path of the air flow passing through the diversion space 12b, and is also beneficial to reducing the angle of the air flow turning, so as to further be beneficial to reducing the suction resistance felt by the user when inhaling the aerosol, and is beneficial to improving the user experience.

[0055] It can be understood that during the process of the user inhaling the aerosol, a negative pressure is formed in the diversion space 12b due to the flow of the air flow, and there are differences in the air pressure at different positions in the diversion space 12b due to different flow velocities. The greater the flow velocity of the air flow in a region, the greater the negative pressure acting force formed in that region.

[0056] In some embodiments, referring to Figure 2 and Figure 3 , the cross-sectional area of the inlet of the atomization chamber 11a perpendicular to the first direction is smaller than the cross-sectional area of any cross-section of the diversion space 12b perpendicular to the first direction.

[0057] In this way, it is beneficial to make the flow velocity of the air flow flowing out from the inlet of the atomization chamber 11a higher than the flow velocity of the air flow flowing through the diversion space 12b, and then it is beneficial to reduce the flow velocity of the air flow near the communication port 12g between the air exchange channel 12c and the diversion space 12b, and further reduce the probability of the aerosol generating matrix being drawn out from the air exchange channel 12c due to the negative pressure formed by the air flow.

[0058] In some embodiments, referring to Figure 2 and Figure 3 , the cross-sectional area of the outlet of the air inlet hole 15a perpendicular to the first direction is smaller than the cross-sectional area of any cross-section of the diversion space 12b perpendicular to the first direction.

[0059] In this way, it is beneficial to make the flow velocity of the air flow flowing in from the outlet of the air inlet hole 15a higher than the flow velocity of the air flow flowing through the diversion space 12b, and then it is beneficial to reduce the flow velocity of the air flow near the communication port 12g between the air exchange channel 12c and the diversion space 12b, and further reduce the probability of the aerosol generating matrix being drawn out from the air exchange channel 12c due to the negative pressure formed by the air flow.

[0060] It can be understood that in the diversion space 12b, the closer the region is to the inlet of the atomization chamber 11a, the greater the flow velocity of the air flow and the greater the negative pressure acting force formed.

[0061] In some embodiments, referring to Figure 2 , in the projection plane perpendicular to the first direction, the projection of the communication port 12g between the ventilation channel 12c and the diversion space 12b is located outside the projection range of the inlet of the atomization chamber 11a.

[0062] In this way, it is beneficial to keep the position of the communication port 12g away from the inlet of the atomization chamber 11a, which further helps to reduce the air flow velocity near the communication port 12g, and thus reduces the probability that the aerosol-forming substrate is drawn out of the ventilation channel 12c due to the negative pressure formed by the air flow.

[0063] It can be understood that in the diversion space 12b, the closer to the outlet of the air inlet hole 15a, the greater the air flow velocity and the greater the negative pressure acting force formed.

[0064] In some embodiments, referring to Figure 2 , in the projection plane perpendicular to the first direction, the projection of the communication port 12g is located outside the projection range of the outlet of the air inlet hole 15a.

[0065] In this way, it is beneficial to keep the position of the communication port 12g away from the outlet of the air inlet hole 15a, which further helps to reduce the air flow velocity near the communication port 12g, and thus reduces the probability that the aerosol-forming substrate is drawn out of the ventilation channel 12c due to the negative pressure formed by the air flow.

[0066] In some embodiments, referring to Figure 2 , the communication port 12g between the ventilation channel 12c and the diversion space 12b and the inlet of the atomization chamber 11a are located on the same side of the diversion space 12b along the first direction.

[0067] In this way, it is beneficial to reduce the path length of the ventilation channel 12c connecting the main storage chamber 12d and the diversion space 12b, so that external air can be supplemented into the main storage chamber 12d faster, so that the aerosol-forming substrate can contact the atomization core 11 in time; it is beneficial to reduce the air flow velocity near the communication port 12g; it is beneficial to reduce the length of the flow path of the air flowing through the ventilation channel 12c into the main storage chamber 12d to improve the ventilation efficiency; during the user's suction process, the angle between the first direction and the gravity direction is parallel or intersects at an acute angle, so that it is beneficial to make both the atomization chamber 11a and the ventilation channel 12c located above the diversion space 12b, so that the aerosol-forming substrate flowing out of the ventilation channel 12c is likely to be deposited in the diversion space 12b and difficult to enter the atomization chamber 11a.

[0068] The specific structural form of the installation component 12 is not limited.

[0069] Exemplarily, referring to Figure 2 and Figure 4The mounting assembly 12 includes a shell 121 and a sealing cover 122. The shell 121 is provided with a mounting cavity 121a. The mounting cavity 121a is open on one side along the first direction. The atomizer core 11 is located in the mounting cavity 121a. The sealing cover 122 is sealingly covered at the opening of the mounting cavity 121a and is sealed with the atomizer core 11 along the first direction. The sealing cover 122 is provided with an air passage 122a that passes through along the first direction. The atomizer core 11, the sealing cover 122 and the shell 121 are jointly surrounded to form a main storage cavity 12d. The ventilation channel 12c is provided on the sealing cover 122. The mounting cover 15 is located on a side of the sealing cover 122 that is away from the atomizer core 11 along the first direction. At least a portion of the mounting cover 15 is separated from the sealing cover 122 to form a guide space 12b. The air passage 122a connects the guide space 12b with the atomizer chamber 11a.

[0070] During assembly of the mounting assembly 12, the atomizer core 11 is inserted into the mounting cavity 121a along the first direction from the opening of the mounting cavity 121a. The sealing cover 122 is then positioned over the opening of the mounting cavity 121a along the first direction, thereby forming the installation space 12a between the sealing cover 122 and the inner wall of the mounting cavity 121a. The space enclosed between the atomizer core 11, the sealing cover 122, and the housing 121 forms the main storage cavity 12d. The mounting cover 15 is then positioned along the first direction to form the flow guide space 12b. In this manner, the mounting assembly 12 is formed by simply installing the atomizer core 11, the sealing cover 122, and the mounting cover 15 in sequence along the first direction. This simplifies assembly steps and improves efficiency.

[0071] The sealing cover 122 is tightly fitted to the housing 121, thereby reducing the chance of aerosol-generating substrate in the main storage chamber 12d leaking into the flow-guiding space 12b. The air passage 122a is provided to allow the atomizing chamber 11a to communicate with the flow-guiding space 12b.

[0072] In some embodiments, see Figure 2 and Figure 3 A portion of the atomizer core 11 is located in the air passage 122 a and is engaged with the inner wall of the air passage 122 a along the first direction so as to limit the position of the atomizer core 11 along the first direction through the sealing cover 122 .

[0073] It is understood that in the embodiment where a portion of the atomizer core 11 is located in the air passage 122 a , the sealing cover 122 is sealed against the atomizer core 11 to reduce the probability of leakage of the aerosol generating substrate from the main storage chamber 12 d .

[0074] In some embodiments with an outlet channel 12e, see Figure 4 The air outlet channel 12e penetrates the shell 121 along the first direction to communicate with the installation cavity 121a, that is, the air outlet channel 12e also extends along the first direction.

[0075] The air outlet channel 12e, the atomization chamber 11a, and the air passing channel 122a all extend along the first direction and are connected in sequence, which is beneficial to reducing the suction resistance and improving the user experience.

[0076] In some embodiments, the air inlet hole 15a penetrates through the mounting cover 15 along the first direction.

[0077] In some embodiments, referring to Figure 3 and Figure 4 , the mounting assembly 12 further includes a seal 123. The seal 123 is located on the side of the atomization core 11 away from the seal cover 122 along the first direction. The seal 123 is clamped between the atomization core 11 and the housing 121 along the first direction to be in sealing fit with both of them.

[0078] In this way, through the sealing effect of the seal cover 122 and the seal 123, the isolation between the main storage chamber 12d and the atomization chamber 11a is achieved.

[0079] It can be understood that at least part of the seal cover 122 is made of an elastic material to achieve sealing through elastic deformation of the seal cover 122. The specific type of the elastic material used for the seal cover 122 is not limited, such as rubber, silica gel, etc.

[0080] It can be understood that at least part of the seal 123 is made of an elastic material to achieve sealing through elastic deformation of the seal 123. The specific type of the elastic material used for the seal 123 is not limited, such as rubber, silica gel, etc.

[0081] The specific manner of forming the air exchange channel 12c is not limited.

[0082] In some embodiments, the seal cover 122 includes a seal body 1221. The seal body 1221 is provided with capillary holes or capillary grooves to form the air exchange channel 12c.

[0083] In this way, the air exchange channel 12c can be directly formed during the manufacturing process of the seal body 1221, which is beneficial to simplifying the manufacturing process steps.

[0084] In other embodiments, referring to Figure 4 , the seal cover 122 includes a seal body 1221 and a capillary 1222. The seal body 1221 seals the open part of the installation cavity 121a. The seal body 1221 is provided with an installation hole 1221a penetrating along the first direction. The installation hole 1221a communicates with the diversion space 12b and the main storage chamber 12d. The capillary 1222 is inserted into the installation hole 1221a and is in sealing fit with the inner wall of the installation hole 1221a. The air exchange channel 12c is arranged in the capillary 1222.

[0085] The sealing body 1221 is made of an elastic material to achieve the sealing effect on the main storage cavity 12d.

[0086] The capillary 1222 is hermetically fitted to the inner wall of the mounting hole 1221a, which can reduce the probability of the aerosol-forming matrix in the main storage cavity 12d leaking into the diversion space 12b from the mounting hole 1221a.

[0087] The stiffness of the material of the capillary 1222 is greater than that of the material of the sealing body 1221. In this way, when the sealing body 1221 undergoes elastic deformation, the amount of deformation generated by the capillary 1222 is smaller, thereby reducing the risk that the ventilation channel 12c is blocked due to a reduction in cross-sectional area or even blockage caused by deformation, making it difficult for air to enter the main storage cavity 12d.

[0088] The specific material of the capillary 1222 is not limited, such as engineering plastics, stainless steel, etc.

[0089] It can be understood that the sealing tube extends in the first direction so as to be directly inserted into the mounting hole 1221a in the first direction, thus facilitating assembly.

[0090] It can be understood that one end of the capillary 1222 can extend into the diversion space 12b or can be located in the mounting hole 1221a without entering the diversion space 12b.

[0091] In some embodiments, referring to Figure 2 and Figure 3 , the atomizer 10 further includes a liquid storage member 13. The liquid storage member 13 is located in the main storage cavity 12d. The liquid storage member 13 is provided with pores to be able to absorb the aerosol-forming matrix by capillary action.

[0092] The fluid communication between the liquid storage member 13 and the atomization core 11 means that the fluid can flow from one of the two to the other. The specific way to achieve fluid communication between the two is not limited. For example, the two are in direct contact, or there is a channel between the two so that the fluid can pass through the channel to contact the two.

[0093] After the liquid storage member 13 comes into contact with the aerosol-forming matrix, by capillary action, the aerosol-forming matrix can be absorbed by the liquid storage member 13 and stored in the space within the pores; at least some of the pores communicate with each other so that the aerosol-forming matrix can pass through the liquid storage member 13 and be transported to the atomization core 11 that is in fluid communication with the liquid storage member 13. In this way, after the aerosol-forming matrix on the atomization core 11 is consumed to a certain extent, the liquid storage member 13 can replenish the aerosol-forming matrix to the atomization core 11. At the same time, due to the presence of the pores, the air flow can also pass through the liquid storage member 13 through the pores that communicate with each other. That is to say, the channels formed by the pores communicating with each other in the liquid storage member 13 allow both the air flow and the aerosol-forming matrix to flow through.

[0094] Due to the blockage of the inner wall of the pores in the liquid storage member 13, it is difficult for the aerosol generating matrix in the main liquid storage cavity to form a liquid flow and directly flow into the ventilation channel 12c, reducing the probability of the aerosol generating matrix entering the diversion space 12b through the ventilation channel 12c.

[0095] In some embodiments provided with the liquid storage member 13, referring to Figure 2 , one end opening 12j of the ventilation channel 12c is located inside the liquid storage member 13.

[0096] In this way, for the aerosol generating matrix to flow into the ventilation channel 12c, it must first pass through the liquid storage member 13, thereby playing a role of blocking and absorbing through the liquid storage member 13 and reducing the probability of the aerosol generating matrix entering the ventilation channel 12c.

[0097] It can be understood that referring to Figure 2 , Figure 5 and Figure 6 , the other end opening 12j of the ventilation channel 12c is communicated with the diversion space 12b.

[0098] In some embodiments provided with the capillary 1222, referring to Figure 2 , a part of the capillary 1222 is inserted into the liquid storage member 13 to realize that one end opening 12j of the ventilation channel 12c is located inside the liquid storage member 13.

[0099] It can be understood that the pores of the liquid storage member 13 can be pores that can be identified by the naked eye macroscopically or pores that cannot be identified by the naked eye microscopically, as long as they meet the requirements of absorbing the aerosol generating matrix through capillary action and allowing air flow to pass through.

[0100] The specific form of the liquid storage member 13 is not limited, such as cotton wool, sponge, fiber structures formed by weaving and twisting chemical fibers such as polyester and polyamide, etc.

[0101] It can be understood that the aerosol generating matrix is a wetting liquid relative to the material of the liquid storage member 13, so that the aerosol generating matrix can adhere to or be absorbed by the liquid storage member 13.

[0102] In some embodiments provided with the liquid storage member 13, referring to Figure 5 and Figure 6 , the main storage cavity 12d includes a main cavity 12h and a liquid inlet channel 12f. The atomization cavity 11a is isolated from the main cavity 12h, and the liquid inlet channel 12f communicates the main cavity 12h with the outside of the atomizer 10.

[0103] Through the liquid inlet channel 12f, the externally supplemented aerosol generating matrix can be guided into the main cavity 12h to make up for the consumption of the aerosol generating matrix in the main cavity 12h.

[0104] In some embodiments, referring to Figure 2 、 Figure 5 and Figure 6 , the liquid storage member 13 is located within the main chamber 12h; in other embodiments, the liquid storage member 13 is provided in both the main chamber 12h and the liquid inlet passage 12f.

[0105] In some embodiments where the liquid storage member 13 is located within the main chamber 12h, referring to Figure 5 , one end opening 12j of the air exchange passage 12c communicates with the liquid inlet passage 12f. Thus, it is beneficial for gas to enter the liquid inlet passage 12f more quickly through the air exchange passage 12c, avoiding the resistance to air flow caused by the liquid storage member 13, facilitating the faster replenishment of gas into the additional storage cavity 20a connected to the liquid inlet passage 12f, and reducing the adverse effect of the negative pressure in the additional storage cavity 20a on the flow of the aerosol-forming substrate.

[0106] In some embodiments where the capillary 1222 is provided and the liquid storage member 13 is located within the main chamber, one end of the capillary 1222 extends into the liquid inlet passage 12f so that one end opening 12j of the air exchange passage 12c communicates with the liquid inlet passage 12f.

[0107] In some embodiments where the liquid storage member 13 is located within the main chamber, referring to Figure 6 , the connection position of the liquid inlet passage 12f and the main chamber is located on the first wall 121b of the main chamber 12h. A cavity 12i is formed at an interval between the liquid storage member 13 and the first wall 121b. One end opening 12j of the air exchange passage 12c communicates with the cavity 12i.

[0108] It can be understood that the cavity 12i is a part of the main chamber 12h. The volume of the liquid storage member 13 is smaller than that of the main chamber 12h to form the cavity 12i.

[0109] Thus, the resistance to air flow caused by the liquid storage member 13 is avoided, facilitating the faster entry of gas into the liquid inlet passage 12f through the air exchange passage 12c, facilitating the faster replenishment of gas into the additional storage cavity 20a connected to the liquid inlet passage 12f, and reducing the adverse effect of the negative pressure in the additional storage cavity 20a on the flow of the aerosol-forming substrate.

[0110] In some embodiments where the capillary 1222 is provided and the liquid storage member 13 is located within the main chamber, one end of the capillary 1222 extends into the cavity 12i so that one end opening 12j of the air exchange passage 12c communicates with the cavity 12i.

[0111] In some embodiments, the length dimension of the air exchange passage 12c along its extending direction is 5 mm (millimetre) to 20 mm.

[0112] In this way, the risk that the aerosol - generating matrix entering the ventilation channel 12c flows out of the ventilation channel 12c and into the diversion space 12b is reduced; meanwhile, within this range of the length dimension of the ventilation channel 12c, it is also convenient to arrange within the mounting assembly 12, which is beneficial to improving the structural compactness.

[0113] The specific dimension of the length of the ventilation channel 12c along its extending direction can be 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 15mm, 18mm, 20mm, etc.

[0114] In some embodiments, the area of the cross - section of the ventilation channel 12c perpendicular to its extending direction is 0.02mm 2 to 0.8mm 2 .

[0115] Within this dimension range, the capillary action between the surface tension and air pressure of the aerosol - generating matrix entering the ventilation channel 12c can be utilized, so that the liquid film of the aerosol - generating matrix in the ventilation channel 12c forms a sealed space in the main storage cavity 12d, reducing the probability that the aerosol - generating matrix flows out of the ventilation channel 12c and into the diversion space 12b, and also reducing the probability that the additional storage cavity 20a transports too much aerosol - generating matrix to the main storage cavity 12d.

[0116] The diameter of the cross - section of the ventilation channel 12c perpendicular to its extending direction can be 0.02mm 2 , 0.03mm 2 , 0.05mm 2 , 0.08mm 2 , 0.1mm 2 , 0.2mm 2 , 0.3mm 2 , 0.4mm 2 , 0.5mm 2 , 0.6mm 2 .

[0117] In some embodiments, the cross - section shape of the ventilation channel 12c perpendicular to its extending direction is circular, which is beneficial to reducing the deformation amount of the ventilation channel 12c after being subjected to external forces.

[0118] In some embodiments, the cross - section shape of the ventilation channel 12c perpendicular to its extending direction is oval.

[0119] In some embodiments, the cross - section shape of the ventilation channel 12c perpendicular to its extending direction is polygonal, such as triangular, rectangular, pentagonal, hexagonal, etc.

[0120] In some embodiments, refer to Figure 2 and Figure 4, the atomizer 10 further includes a liquid absorbent member 14 disposed in the diversion space 12b, and the liquid absorbent member 14 is capable of absorbing the aerosol-forming substrate.

[0121] Thus, even if the aerosol-forming substrate enters the diversion space 12b through the ventilation channel 12c, the liquid absorbent member 14 can also absorb at least part of the aerosol-forming substrate, thereby further reducing the probability of the aerosol-forming substrate entering the atomization chamber 11a.

[0122] The liquid absorbent member 14 is provided with pores for absorbing the aerosol-forming substrate.

[0123] It can be understood that the pores of the liquid absorbent member 14 can be pores that can be identified by the naked eye macroscopically or pores that cannot be identified by the naked eye microscopically, as long as they meet the requirements of absorbing the aerosol-forming substrate by capillary action and allowing air flow to pass through.

[0124] The specific form of the liquid absorbent member 14 is not limited, such as cotton wool, sponge, fiber structures formed by weaving and twisting chemical fibers such as polyester and nylon.

[0125] It can be understood that the aerosol-forming substrate is a wetting liquid relative to the material of the liquid absorbent member 14, so that the aerosol-forming substrate adheres to or is absorbed by the liquid absorbent member 14.

[0126] In some embodiments provided with the liquid absorbent member 14, refer to Figure 5 and Figure 6 , on the projection plane perpendicular to the first direction, the projection of the opening 12j where the ventilation channel 12c communicates with the diversion space 12b is located within the projection range of the liquid absorbent member 14, so that the aerosol-forming substrate flowing out of the ventilation channel 12c can contact the liquid absorbent member 14 as soon as possible and be absorbed by the liquid absorbent member 14. In some embodiments, the liquid absorbent member 14 and the liquid storage member 13 have the same structural form and material to simplify the manufacturing process.

[0127] The embodiment of the present invention also provides an aerosol generating device, which includes the atomizer 10 in any one of the foregoing embodiments.

[0128] In some embodiments, refer to Figure 7 、 Figure 8 and Figure 9 , the aerosol generating device further includes a storage member 20, an additional storage cavity 20a is provided in the storage member 20, the main storage cavity 12d communicates with the additional storage cavity 20a, and the air inlet hole 15a communicates with the outside of the aerosol generating device.

[0129] The airflow in the air inlet 15a enters the main storage chamber 12d through the ventilation channel 12c, and then enters the additional storage chamber 20a, so that the aerosol generating device in the additional storage chamber 20a can enter the main storage chamber 12d, thereby replenishing the loss of the aerosol generating matrix in the main storage chamber 12d.

[0130] The storage element 20 is provided with a suction channel 20b, which is connected to the outlet of the atomization chamber 11a and to the outside of the aerosol generating device so as to be connected to the user's mouth during the user's inhalation process, so that the aerosol can enter the user's mouth.

[0131] In the embodiment in which the air outlet channel 12e is provided, the atomizing chamber 11a, the air outlet channel 12e and the suction channel 20b are sequentially connected.

[0132] In some embodiments, see Figure 9 The suction channel 20b runs through the storage element 20 along the first direction, so as to help reduce the suction resistance felt by the user during the suction process.

[0133] When the user inhales the aerosol, the atomizer core 11 consumes the aerosol generating matrix in the main storage chamber 12d. As the aerosol generating matrix in the main storage chamber 12d decreases, the aerosol generating matrix in the additional storage chamber 20a enters the main storage chamber 12d. At the same time, the external airflow enters the additional storage chamber 20a through the air flow path of the air inlet 15a → the guide space 12b → the ventilation channel 12c → the main storage chamber 12d, so as to reduce the probability of negative pressure being formed in the additional storage chamber 20a, which makes it difficult for the aerosol generating matrix to flow out.

[0134] It can be understood that the storage component 20 is of a detachable configuration, that is, the old storage component 20 can be removed from the aerosol generating device and a new storage component 20 can be installed to replenish the aerosol generating matrix, thereby extending the service life of the aerosol generating device. It is also convenient for users to flexibly replace the storage component 20 containing aerosol generating matrices of different flavors according to their needs and preferences.

[0135] In some embodiments with a liquid inlet channel 12f, see Figure 9 The liquid inlet channel 12f is used to communicate with the additional storage chamber 20a.

[0136] The storage element 20 may be detachably connected to the atomizer 10 or to other components of the aerosol generating device.

[0137] In some embodiments, the aerosol generating device further includes a power supply component, which is electrically connected to the atomizing core 11 to provide electrical energy to the atomizing core 11 so that the atomizing core can convert the aerosol generating substrate into an aerosol.

[0138] The power supply assembly can be detachably connected to the atomizer 10 or other components in the aerosol generating device.

[0139] The power supply assembly includes a battery.

[0140] The various embodiments / implementations of the present utility model can be combined with each other without conflict.

[0141] The above are only the preferred technical solutions in the embodiments of the present utility model, and are not used to limit the protection scope of the embodiments of the present utility model. For those skilled in the art, the embodiments of the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model shall be included within the protection scope of the embodiments of the present utility model.

Claims

1. An atomizer, characterized in that, The atomizer includes: An atomization core having an atomization chamber; An installation component provided with an installation space and a ventilation channel. The atomization core is disposed in the installation space and together with the inner wall of the installation space encloses a main storage chamber. The atomization chamber is isolated from the main storage chamber; An installation cover disposed on one side of the installation component and enclosing a diversion space with the installation component. The installation cover has an air inlet hole. The inlet of the atomization chamber communicates with the diversion space. The ventilation channel communicates the diversion space with the main storage chamber. The air inlet hole communicates the diversion space with the outside of the atomizer.

2. The atomizer according to claim 1, wherein The inlet of the atomization chamber is located on one side of the diversion space along a first direction, and the outlet of the air inlet hole is located on the other side. The cross-sectional area of the inlet of the atomization chamber perpendicular to the first direction is smaller than the cross-sectional area of any cross-section of the diversion space perpendicular to the first direction.

3. The atomizer according to claim 2, characterized in that, In a projection plane perpendicular to the first direction, the projection of the connection port of the ventilation channel and the diversion space is located outside the projection range of the inlet of the atomization chamber.

4. The atomizer according to claim 2, wherein, The connection port of the ventilation channel and the diversion space and the inlet of the atomization chamber are located on the same side of the diversion space along the first direction.

5. The atomizer according to claim 1, characterized in that, The installation component includes a housing and a sealing cover. The housing is provided with an installation cavity. One side of the installation cavity along the first direction is open. The atomization core is located in the installation cavity. The sealing cover is hermetically covered at the open part of the installation cavity and is hermetically attached to the atomization core along the first direction. The sealing cover is provided with a gas passage penetrating along the first direction. The atomization core, the sealing cover and the housing together enclose the main storage chamber. The ventilation channel is disposed on the sealing cover. The installation cover is located on the side of the sealing cover along the first direction away from the atomization core. At least part of the installation cover is spaced from the sealing cover to form the diversion space. The gas passage communicates the diversion space with the atomization chamber.

6. The atomizer according to claim 5, wherein The sealing cover includes a sealing body and a capillary tube. The sealing body seals the open part of the installation cavity. The sealing body is provided with an installation hole penetrating along the first direction. The installation hole communicates the diversion space and the main storage chamber. The capillary tube is disposed in the installation hole and is hermetically attached to the inner wall of the installation hole. The ventilation channel is disposed in the capillary tube.

7. The atomizer according to claim 1 or 6, characterized in that, The atomizer further includes a liquid storage member located in the main storage chamber. The liquid storage member is provided with pores to be able to absorb the aerosol-forming matrix through capillary action. One end opening of the ventilation channel is located inside the liquid storage member.

8. The atomizer according to claim 1 or 6, characterized in that, The main storage chamber includes a main chamber and a liquid inlet channel. The atomization chamber is isolated from the main chamber. The liquid inlet channel communicates the main chamber with the outside of the atomizer. The atomizer further includes a liquid storage member located in the main chamber. The liquid storage member is provided with pores to be able to absorb the aerosol-forming matrix through capillary action; One end opening of the ventilation channel communicates with the liquid inlet channel; And / or, the connection position of the liquid inlet channel and the main chamber is located on the first wall of the main chamber, a cavity is formed at an interval between the liquid storage member and the first wall, and one end opening of the air exchange channel is communicated with the cavity.

9. The atomizer according to claim 1, characterized in that, The length dimension of the air exchange channel along its extending direction is 5 mm to 20 mm; and / or, the area of the cross-section of the ventilation passage perpendicular to its extending direction is 0.02 mm 2 to 0.8 mm 2 .

10. An aerosol generating device, characterized in that, The aerosol generating device includes a storage member and the atomizer according to any one of claims 1-9. An additional storage chamber is provided in the storage member. The main storage chamber and the additional storage chamber are communicated, and the air inlet hole is communicated with the outside of the aerosol generating device.

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