Atomization device

Abstract

The utility model is suitable for the technical field of atomization, and discloses an atomization device which comprises an airflow sensor, a circuit board and a protection part. The airflow sensor is provided with an atmosphere side and a negative pressure side; the circuit board is arranged on the atmosphere side, a pressure relief space is formed between the circuit board and the airflow sensor, and the circuit board is electrically connected with the airflow sensor; the protective piece is provided with an accommodating cavity, and a first through hole and a second through hole communicated with the accommodating cavity; the airflow sensor and the circuit board are both contained in the containing cavity, the pressure relief space is communicated with the outside through the first through hole, and the second through hole is communicated with the negative pressure side. As the pressure relief space capable of being communicated with the outside is formed between the airflow sensor and the circuit board, the balance between the atmospheric side air pressure and the outside air pressure is ensured, so that a vent hole can be prevented from being formed in the circuit board, and the vent hole is prevented from directly facing the air inlet hole of the airflow sensor during assembly.

Description

Technical Field

[0001] The present application relates to the technical field of electronic atomization, and in particular to an atomization device. Background Art

[0002] As an air switch, the airflow sensor is a very important component in the atomizer. The airflow sensor has an atmospheric side and a negative pressure side. In the related art, the atmospheric side of the airflow sensor is usually seamlessly connected to the circuit board. In order to ensure that the air pressure on the atmospheric side is balanced with the external air pressure, the circuit board usually has a vent hole, and during assembly, the vent hole is directly opposite to the air inlet hole of the airflow sensor. This design makes the processing of the circuit board more complicated and places higher requirements on the assembly of the circuit board and the airflow sensor. Utility Model Content

[0003] The present application provides an atomization device, which aims to solve the technical problems of complicated circuit board processing and high requirements for assembly of the circuit board and the airflow sensor.

[0004] According to a first aspect of the present application, an embodiment provides an atomization device, including an airflow sensor, a circuit board, and a protective member;

[0005] The airflow sensor has an atmosphere side and a negative pressure side; the circuit board is arranged on the atmosphere side, and a pressure relief space is formed between the circuit board and the airflow sensor, and the circuit board is electrically connected to the airflow sensor;

[0006] The protective member has a receiving cavity, a first through hole and a second through hole, and the first through hole and the second through hole are both connected to the receiving cavity; the airflow sensor and the circuit board are both received in the receiving cavity, the pressure relief space is connected to the outside through the first through hole, and the second through hole is connected to the negative pressure side.

[0007] In one embodiment, the atmosphere side is arranged opposite to the negative pressure side;

[0008] The protective member includes a first cover body, a second cover body and a side wall, the first cover body and the second cover body are arranged opposite to each other, the side wall surrounds the circumference of the first cover body and the second cover body, and is connected between the first cover body and the second cover body;

[0009] The first cover body, the second cover body and the side wall enclose the accommodating cavity, the circuit board is arranged close to the first cover body, and the airflow sensor is arranged close to the second cover body; the first through hole is opened in the side wall and connected with the pressure relief space, and the second through hole is opened in the second cover body.

[0010] In one embodiment, the protective member is further provided with a third through hole communicating with the receiving cavity, and the third through hole is opened in the first cover body; and / or,

[0011] The protective member further comprises a sealing ring, which is arranged around the periphery of the side wall and is located between the first through hole and the second cover body.

[0012] In one embodiment, the circuit board includes a substrate and a resistor, the resistor is connected between the substrate and the airflow sensor, and the pressure relief space is formed between the substrate and the airflow sensor.

[0013] In one embodiment, the airflow sensor is a MEMS sensor.

[0014] In one embodiment, it further comprises an atomizer assembly, wherein the atomizer assembly is used to heat the aerosol matrix to generate an aerosol, and has an atomization chamber;

[0015] The negative pressure side is communicated with the atomization chamber.

[0016] In one embodiment, a mounting bracket is further included, wherein the mounting bracket has a first side and a second side that are relatively arranged, the atomizer assembly is mounted on the first side of the mounting bracket, and the airflow sensor, the circuit board and the protective member are all mounted on the second side of the mounting bracket.

[0017] In one embodiment, the mounting bracket is provided with a first mounting slot and a second mounting slot, the first mounting slot is provided on the first side, and the second mounting slot is provided on the second side;

[0018] The atomizer assembly includes a first atomization core, the atomization chamber includes a first atomization chamber body, the first atomization chamber is located in the first atomization core and is connected to the first mounting groove; the airflow sensor, the circuit board and the protective element are all installed in the second mounting groove;

[0019] The mounting bracket also has a first through hole and a second through hole; the first through hole is connected to the first mounting slot for allowing external airflow to enter the first mounting slot; the second through hole is connected to the second mounting slot and is connected to the second through hole.

[0020] In one embodiment, the second through hole is formed on the bottom wall of the second mounting groove, and the diameter of the second through hole is smaller than the diameter of the second through hole;

[0021] The first mounting groove and the second mounting groove are staggeredly arranged along an axial direction perpendicular to the atomizer assembly.

[0022] In one embodiment, the mounting bracket is further provided with a third mounting groove, and the third mounting groove is used to communicate with the main air intake passage;

[0023] The third mounting groove is arranged on the second side, isolated from the second mounting groove, and communicated with the first mounting groove through the first through hole.

[0024] According to the atomizer device of the above embodiment, when the user uses the atomizer device, the atmospheric side of the airflow sensor needs to be balanced with the external air pressure, so that a pressure difference is generated between the atmospheric side and the negative pressure side of the airflow sensor, thereby triggering the airflow sensor. Since a pressure relief space is formed between the airflow sensor and the circuit board, the atmospheric side of the airflow sensor can be connected to the outside world through the pressure relief space, ensuring the balance of the air pressure on this side with the external air pressure, thereby avoiding the need to open a vent hole on the circuit board, and further avoiding the need to set the vent hole and the air inlet of the airflow sensor opposite each other when assembling the circuit board and the airflow sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic structural diagram of an atomization device according to an embodiment from one perspective;

[0026] Figure 2 A bottom view of an atomizing device according to an embodiment;

[0027] Figure 3 for Figure 2 Sectional view along line AA;

[0028] Figure 4 for Figure 2 a cross-sectional view along line BB;

[0029] Figure 5 for Figure 4 A partial enlarged view of point D in the middle;

[0030] Figure 6 for Figure 2 Sectional view along line CC;

[0031] Figure 7 for Figure 6 A partial enlarged view of point E in the middle;

[0032] Figure 8 A schematic diagram of the structure of a protective element according to an embodiment;

[0033] Fig. 9 is a cross-sectional view of a protective member according to an embodiment;

[0034] Fig.10 A schematic diagram of the assembly structure of an airflow sensor and a circuit board according to an embodiment;

[0035] Fig.11A schematic structural diagram of a mounting bracket of an embodiment from one perspective;

[0036] Fig.12 A schematic structural diagram of a mounting bracket of an embodiment from another perspective;

[0037] Fig.13 A schematic structural diagram of a cell support from one perspective of an embodiment;

[0038] Fig.14 A schematic structural diagram of a battery cell support from another perspective of an embodiment.

[0039] In the figure:

[0040] 100, atomizing device; 10, housing assembly; 11, accommodating chamber; 20, atomizer assembly; 21, first atomizing core; 211, first atomizing chamber; 22, second atomizing core; 221, second atomizing chamber; 30, power supply assembly; 31, battery core; 32, battery core bracket; 321, main air inlet channel; 322, first opening; 323, second opening; 40, air flow sensor; 41, atmosphere side; 42, negative pressure side; 50, circuit board; 51, substrate; 52, resistor; 6 0. pressure relief space; 70. protective member; 71. first cover body; 711. third through hole; 72. second cover body; 721. second through hole; 73. side wall; 731. first through hole; 74. receiving chamber; 75. sealing ring; 80. mounting bracket; 81. first side; 82. second side; 83a. first mounting groove; 83b. second mounting groove; 83c. third mounting groove; 83d. fourth mounting groove; 84a. first through hole; 84b. second through hole; 84c. third through hole. DETAILED DESCRIPTION

[0041] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0042] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.

[0043] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0044] See also Figures 1 to 3 The present application provides an atomization device 100, including a shell assembly 10, an atomizer assembly 20 and a power supply assembly 30. The shell assembly 10 has a accommodating cavity 11, and the atomizer assembly 20 and the power supply assembly 30 are both arranged in the accommodating cavity 11; the atomizer assembly 20 is used to heat an aerosol matrix to generate an aerosol; the power supply assembly 30 is at least used to supply power to the atomizer assembly 20.

[0045] The shell assembly 10 can be understood as a collection of related structural parts that constitute the basic structural framework and outer contour of the atomization device 100. For example, the shell assembly 10 can adopt a cylindrical hollow structure constructed by combining multiple structural parts; the atomizer assembly 20 and the power supply assembly 30 are both arranged in the shell assembly 10 to form a complete atomization device 100; the user can hold, move, operate and use the atomization device 100 with the help of the shell assembly 10.

[0046] The aerosol matrix may be a liquid medium such as physiological saline, liquid medicine, liquid extract, or tobacco oil; for example, the components of a typical aerosol matrix are propylene glycol, glycerol, nicotine, and flavoring substances, etc. It is understandable that the aerosol matrix does not constitute a limitation on the atomization device 100 of this embodiment, and the aerosol matrix may be determined according to the application scenario of the atomization device 100.

[0047] See also Figure 1 , Figures 4 to 7, the atomizing device 100 further includes an airflow sensor 40 and a circuit board 50, both of which are arranged in the accommodating chamber 11; the airflow sensor 40 has an atmospheric side 41 and a negative pressure side 42, the atomizer assembly 20 has an atomizing chamber, and the negative pressure side 42 is connected to the atomizing chamber; the circuit board 50 is arranged on the atmospheric side 41 of the airflow sensor 40, and a pressure relief space 60 is formed between the circuit board 50 and the airflow sensor 40; the airflow sensor 40 and the atomizer assembly 20 are both electrically connected to the circuit board 50. Of course, in other embodiments, it is also possible that the negative pressure side 42 is not connected to the atomizing chamber, as long as the negative pressure side 42 can form a negative pressure when the atomizing device 100 is used.

[0048] When the user uses the atomizing device 100, a negative pressure lower than the external air pressure is formed in the atomizing chamber, and the atomizing chamber is connected to the negative pressure side 42 of the airflow sensor 40, and the atmospheric side 41 of the airflow sensor 40 is balanced with the external air pressure, so that a pressure difference is generated between the atmospheric side 41 and the negative pressure side 42 of the airflow sensor 40, thereby triggering the airflow sensor 40, and the airflow sensor 40 can transmit the trigger signal to the circuit board 50, and the circuit board 50 controls the atomizer assembly 20 to heat the aerosol matrix according to the trigger signal to generate an aerosol. Since a pressure relief space 60 is formed between the airflow sensor 40 and the circuit board 50, the atmospheric side 41 of the airflow sensor 40 can be connected to the outside world through the pressure relief space 60, ensuring the balance of the air pressure on this side with the external air pressure, thereby avoiding the need to open a vent on the circuit board 50, and further avoiding the need to set the vent and the air inlet of the airflow sensor 40 opposite each other when assembling the circuit board 50 and the airflow sensor 40.

[0049] The airflow sensor 40 and the atomizer assembly 20 are both provided with pins, and the airflow sensor 40 and the atomizer assembly 20 are electrically connected to the circuit board 50 through the pins.

[0050] See also Figure 1 , Figures 4 to 7 The atomizing device 100 further includes a protective member 70, which is disposed in the accommodating cavity 11; the protective member 70 has a accommodating cavity 74, a first through hole 731 and a second through hole 721, and the first through hole 731 and the second through hole 721 are both connected to the accommodating cavity 74; the airflow sensor 40 and the circuit board 50 are both accommodated in the accommodating cavity 74, the pressure relief space 60 is connected to the outside through the first through hole 731, and the second through hole 721 is connected to the negative pressure side 42.

[0051] When the aerosol in the atomization chamber condenses to form condensate or the aerosol matrix flows through the atomization chamber toward the airflow sensor 40 and the circuit board 50, since the airflow sensor 40 and the circuit board 50 are both accommodated in the accommodating cavity 74 of the protective member 70, the protective member 70 can prevent the condensate or the aerosol matrix from contaminating the airflow sensor 40 and the circuit board 50, thereby protecting the airflow sensor 40 and the circuit board 50; in addition, the protective member 70 can fix the airflow sensor 40 and the circuit board 50, which is beneficial to the installation of the airflow sensor 40 and the circuit board 50.

[0052] By opening a first through hole 731 on the protective member 70, the pressure relief space 60 is connected to the outside through the first through hole 731, so that the atmospheric side 41 of the airflow sensor 40 can maintain a balance with the external air pressure; by opening a second through hole 721 on the protective member 70, the second through hole 721 is connected to the negative pressure side 42, so that the atomization chamber can be connected to the negative pressure side 42 through the second through hole 721.

[0053] It should be noted that the first through hole 731 can be one, two, three, etc., and the present application does not limit the number of the first through holes 731. In addition, the first through hole 731 can be a circular hole, a bar hole, a polygonal hole, or other irregular hole shapes, and the present application does not limit the shape of the first through hole 731.

[0054] In one embodiment, the protective member 70 is made of a silicone material, so that the protective member 70 has a certain elasticity, which is conducive to installing the airflow sensor 40 and the circuit board 50 in the protective member 70 .

[0055] See also Figures 7 to 9 , the atmosphere side 41 is arranged opposite to the negative pressure side 42. The protective member 70 includes a first cover body 71, a second cover body 72 and a side wall 73. The first cover body 71 and the second cover body 72 are arranged opposite to each other. The side wall 73 surrounds the circumference of the first cover body 71 and the second cover body 72 and is connected between the first cover body 71 and the second cover body 72. The first cover body 71, the second cover body 72 and the side wall 73 enclose a receiving cavity 74. The circuit board 50 is arranged near the first cover body 71, and the airflow sensor 40 is arranged near the second cover body 72. The first through hole 731 is opened in the side wall 73 and communicates with the pressure relief space 60, so that the pressure relief space 60 can communicate with the outside through the first through hole 731. The second through hole 721 is opened in the second cover body 72, so that the second through hole 721 can communicate with the negative pressure side 42.

[0056] When the airflow sensor 40 and the circuit board 50 are accommodated in the accommodating cavity 74, the first through hole 731 is arranged opposite to the pressure relief space 60, and the height of the first through hole 731 is the same as the height of the pressure relief space 60. It can be understood that in another embodiment, the first through hole 731 and the pressure relief space 60 can be arranged in a staggered manner, for example, the first through hole 731 is arranged relative to the pressure relief space 60 toward the circuit board 50, that is, part of the first through hole 731 corresponds to the pressure relief space 60, and part of the first through hole 731 corresponds to the circuit board 50; or, the height of the first through hole 731 is different from the height of the pressure relief space 60, for example, the height of the first through hole 731 is greater than the height of the pressure relief space 60. Among them, the height direction of the first through hole 731 and the height direction of the pressure relief space 60 are the direction from the first cover body 71 to the second cover body 72.

[0057] See also Figures 6 to 9 , the protective member 70 is also provided with a third through hole 711 connected to the receiving cavity 74, and the third through hole 711 is opened in the first cover body 71. Among them, the aperture of the third through hole 711 is larger than the aperture of the second through hole 721. In this way, the airflow sensor 40 and the circuit board 50 can be installed in the receiving cavity 74 through the third through hole 711, or when the airflow sensor 40 and the circuit board 50 are installed in the receiving cavity 74 through the second through hole 721, the third through hole 711 can be used for exhaust, which is beneficial to the installation of the airflow sensor 40 and the circuit board 50; in addition, the provision of the third through hole 711 also helps to electrically connect the circuit board 50 with other components such as the power supply component 30, such as passing a wire through the third through hole 711 to electrically connect the circuit board 50 with the power supply component 30. It can be understood that in other embodiments, the aperture of the third through hole 711 can also be equal to or smaller than the aperture of the second through hole 721.

[0058] See also Figure 7 and Figure 8 The protective member 70 further includes a sealing ring 75, which is arranged around the periphery of the side wall 73 and between the first through hole 731 and the second cover 72. When the protective member 70 drives the airflow sensor 40 and the circuit board 50 to be installed on other components, such as the mounting bracket 80 described below, the sealing ring 75 can block the gap between the side wall 73 and the mounting bracket 80, and prevent the circumference of the side wall 73 from being connected to the side of the side wall 73 provided with the second cover 72 through the gap, thereby ensuring the pressure difference between the atmospheric side 41 and the negative pressure side 42 of the airflow sensor 40. In addition, when the protective member 70 drives the airflow sensor 40 and the circuit board 50 to be installed on the mounting bracket 80, the sealing ring 75 can also be used through interference fit to firmly mount the protective member 70 on the mounting bracket 80.

[0059] In one embodiment, two sealing rings 75 are provided, and the two sealing rings 75 are arranged at intervals. Of course, in other embodiments, one or three sealing rings 75 may be provided, and the number of sealing rings 75 is not limited here.

[0060] In one embodiment, the first cover 71, the second cover 72, the side wall 73 and the sealing ring 75 are integrally injection molded. In this way, the manufacturing efficiency of the protective member 70 can be improved. It is understood that in other embodiments, the first cover 71, the second cover 72, the side wall 73 and the sealing ring 75 can also be manufactured separately and then assembled.

[0061] See also Fig.10 , the circuit board 50 includes a substrate 51 and a resistor 52, the resistor 52 is connected between the substrate 51 and the airflow sensor 40, and a pressure relief space 60 is formed between the substrate 51 and the airflow sensor 40. In this way, the resistor 52 is a component of the circuit board 50 itself. By setting the resistor 52 to be connected between the substrate 51 and the airflow sensor 40, a pressure relief space 60 is formed between the substrate 51 and the airflow sensor 40. There is no need to introduce other external components, and the pressure relief space 60 can be formed between the circuit board 50 and the airflow sensor 40, saving materials and costs. In another embodiment, the airflow sensor 40 and the circuit board 50 are spaced apart, and the gap between the two forms the pressure relief space 60; the atomization device 100 also includes a connector, which is connected between the airflow sensor 40 and the circuit board 50. The connector is preferably an insulator.

[0062] In one embodiment, the airflow sensor 40 is a MEMS sensor. Compared with traditional air switches, MEMS sensors have better anti-fouling performance, stable performance and good consistency.

[0063] See also Figure 1 , Figure 4 , Figure 5 , Fig.11 and Fig.12 The atomizing device 100 further includes a mounting bracket 80, which is disposed in the accommodating cavity 11 and has a first side 81 and a second side 82 disposed opposite to each other. The atomizer assembly 20 is mounted on the first side 81 of the mounting bracket 80, and the airflow sensor 40, the circuit board 50 and the protective member 70 are all mounted on the second side 82 of the mounting bracket 80. The condensate or aerosol matrix originates from the atomizer assembly 20. By disposing the atomizer assembly 20 on the first side 81 of the mounting bracket 80 and disposing the airflow sensor 40 and the circuit board 50 on the second side 82 of the mounting bracket 80, the mounting bracket 80 isolates the condensate or aerosol matrix, thereby helping to prevent the airflow sensor 40 and the circuit board 50 from being contaminated by the condensate or aerosol matrix.

[0064] Please refer to 3. Figure 7 , Fig.11 and Fig.12 The mounting bracket is provided with a first mounting groove 83a and a second mounting groove 83b, the first mounting groove 83a is provided on the first side 81, and the second mounting groove 83b is provided on the second side 82; the atomizer assembly 20 includes a first atomization core 21, and the atomization chamber includes a first atomization chamber body 211, the first atomization chamber 211 is located in the first atomization core 21, and is connected to the first mounting groove 83a; the airflow sensor 40, the circuit board 50 and the protective member 70 are all installed in the second mounting groove 83b; the mounting bracket 80 also has a first through hole 84a and a second through hole 84b; the first through hole 84a is connected to the first mounting groove 83a, and is used for external airflow to enter the first mounting groove 83a; the second through hole 84b is connected to the second mounting groove 83b, and is connected to the second through hole 721.

[0065] During specific implementation, the airflow sensor 40 and the circuit board 50 are installed in the protective member 70, and the protective member 70 is installed in the second mounting groove 83b, wherein the sealing ring 75 of the protective member 70 is interference fit with the groove side wall 73 of the second mounting groove 83b, and the first through hole 731 of the protective member 70 is arranged close to the groove opening of the second mounting groove 83b, which helps to ensure that the atmospheric side 41 of the airflow sensor 40 is balanced with the external air pressure.

[0066] When the user uses the atomization device 100, the external airflow can enter the first installation groove 83a through the first perforation 84a, and then enter the first atomization cavity 211. The aerosol in the first atomization cavity 211 can be discharged from the first atomization cavity 211 along with the entering airflow; the negative pressure side 42 of the airflow sensor 40 is connected to the first atomization cavity 211 through the second through hole 721, the second perforation 84b, and the first installation groove 83a in sequence. When the airflow is discharged from the first atomization cavity 211, a negative pressure lower than the external air pressure can be formed in the first atomization cavity 211, thereby forming a negative pressure lower than the external air pressure on the negative pressure side 42 of the airflow sensor 40.

[0067] In one embodiment, the second through hole 84b is formed in the bottom wall of the second mounting groove 83b, and the aperture of the second through hole 84b is smaller than the aperture of the second through hole 721. Such a configuration can improve the isolation performance of the bottom wall of the second mounting groove 83b to the condensate and the aerosol matrix, thereby effectively preventing the condensate and the aerosol matrix from isolating the airflow sensor 40 and the circuit board 50. It can be understood that in other embodiments, the second through hole 84b can be formed in other parts of the second mounting groove 83b, such as the connection part between the bottom wall and the side wall of the groove.

[0068] In one embodiment, the first mounting groove 83a and the second mounting groove 83b are arranged in a staggered manner along the axial direction Y perpendicular to the atomizer assembly 20. The axial direction Y of the atomizer assembly 20 is the extension direction of the central axis of the atomizer assembly 20. By staggering the first mounting groove 83a and the second mounting groove 83b along the axial direction Y perpendicular to the atomizer assembly 20, that is, the first mounting groove 83a and the second mounting groove 83b are arranged non-coaxially, the first mounting groove 83a is communicated with the first atomization cavity 211, and the condensate or aerosol matrix can easily flow into the first mounting groove 83a, and the second mounting groove 83b is arranged non-coaxially with the first mounting groove 83a, so that the condensate or aerosol matrix in the first mounting groove 83a is not easy to flow to the second mounting groove 83b, thereby preventing the condensate or aerosol matrix from contaminating the airflow sensor 40 and the circuit board 50 through the second mounting groove 83b.

[0069] See also Figure 3 and Fig.12 The mounting bracket 80 is further provided with a third mounting groove 83c, which is used to be connected with the main air intake passage; the third mounting groove 83c is provided on the second side 82, isolated from the second mounting groove 83b, and is connected with the first mounting groove 83a through the first through hole 84a. The third mounting groove 83c is connected to the first mounting groove 83a through the first through hole 84a, and further connected to the first atomizing chamber 211. The third mounting groove 83c is connected to the main air inlet channel to constitute the main air guide channel of the first atomizing core 21. When the airflow in the first atomizing chamber 211 flows in the reverse direction, the airflow is mainly discharged through the third mounting groove 83c and the main air inlet channel, thereby preventing most of the gas from flowing to the second mounting groove 83b, thereby preventing the airflow sensor 40 and the circuit board 50 located in the second mounting groove 83b from being polluted when the airflow flows in the reverse direction; in addition, the third mounting groove 83c is isolated from the second mounting groove 83b, so that the airflow flowing through the third mounting groove 83c will not enter the second mounting groove 83b, further preventing the airflow sensor 40 and the circuit board 50 located in the second mounting groove 83b from being polluted when the airflow flows in the reverse direction.

[0070] See also Figure 3 and Fig.11, the mounting bracket 80 is also provided with a fourth mounting groove 83d, and the fourth mounting groove 83d is provided on the first side 81; the atomizer assembly 20 also includes a second atomization core 22, and the atomization cavity includes a second atomization cavity body 221, and the second atomization cavity 221 is located in the second atomization core 22 and connected to the fourth mounting groove 83d; the mounting bracket 80 also has a through third perforation 84c, and the third perforation 84c is connected to the third mounting groove 83c and the fourth mounting groove 83d, and is used for external airflow to enter the fourth mounting groove 83d. Among them, the fourth mounting groove 83d is arranged side by side with the first mounting groove 83a. In specific implementation, the first atomization core 21 is used as the main atomization component to heat the aerosol matrix to generate an aerosol, and the second atomization core 22 is used as an auxiliary atomization component to add flavor to the aerosol to improve the user experience.

[0071] Please refer to 6. Figures 11 to 14 The power supply assembly 30 is arranged on the second side 82 of the mounting bracket 80, and includes a battery cell 31 and a battery cell bracket 32. The battery cell 31 is mounted on the battery cell bracket 32; one end of the battery cell bracket 32 ​​is connected to the air inlet of the shell assembly 10, and the other end is inserted into the third mounting groove 83c. The battery cell bracket 32 ​​has a main air inlet channel 321 and a first opening 322 and a second opening 323 connected to the main air inlet channel 321. The first opening 322 is used to connect the main air inlet channel 321 and the air inlet of the shell assembly 10, and the second opening 323 is used to connect the main air inlet channel 321 and the third mounting groove 83c. In specific implementation, the external airflow can enter the main air inlet channel 321 of the battery cell bracket 32 ​​through the air inlet, and then enter the third mounting groove 83c, and enter the first mounting groove 83a and the fourth mounting groove 83d through the first through hole 84a and the third through hole 84c respectively, and then enter the first atomization cavity 211 and the second atomization cavity 221.

[0072] The atomization device 100 provided in this embodiment forms a pressure relief space 60 between the airflow sensor 40 and the circuit board 50, and the protective member 70 is provided with a first through hole 731 connecting the outside with the pressure relief space 60. The atmospheric side 41 of the airflow sensor 40 can be connected with the outside through the pressure relief space 60 and the first through hole 731, thereby ensuring the balance between the air pressure on this side and the external air pressure, thereby avoiding the need to open an air vent on the circuit board 50, and further avoiding the need to set the air vent and the air inlet of the airflow sensor 40 opposite each other when assembling the circuit board 50 and the airflow sensor 40.

[0073] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. An atomizing device, characterized in that: Includes airflow sensor, circuit board and protective parts; The airflow sensor has an atmosphere side and a negative pressure side; the circuit board is arranged on the atmosphere side, and a pressure relief space is formed between the circuit board and the airflow sensor, and the circuit board is electrically connected to the airflow sensor; The protective member has a receiving cavity, a first through hole and a second through hole, and the first through hole and the second through hole are both connected to the receiving cavity; the airflow sensor and the circuit board are both received in the receiving cavity, the pressure relief space is connected to the outside through the first through hole, and the second through hole is connected to the negative pressure side.

2. The atomizing device according to claim 1, characterized in that The atmosphere side is arranged opposite to the negative pressure side; The protective member includes a first cover body, a second cover body and a side wall, the first cover body and the second cover body are arranged opposite to each other, the side wall surrounds the circumference of the first cover body and the second cover body, and is connected between the first cover body and the second cover body; The first cover body, the second cover body and the side wall enclose the accommodating cavity, the circuit board is arranged close to the first cover body, and the airflow sensor is arranged close to the second cover body; the first through hole is opened in the side wall and connected with the pressure relief space, and the second through hole is opened in the second cover body.

3. The atomizing device according to claim 2, characterized in that The protective member is further provided with a third through hole communicating with the receiving cavity, and the third through hole is opened in the first cover body; and / or, The protective member further comprises a sealing ring, which is arranged around the periphery of the side wall and is located between the first through hole and the second cover body.

4. The atomizing device according to claim 1, characterized in that: The circuit board includes a substrate and a resistor, the resistor is connected between the substrate and the airflow sensor, and the pressure relief space is formed between the substrate and the airflow sensor.

5. The atomizing device according to claim 1, characterized in that: The airflow sensor is a MEMS sensor.

6. The atomizing device according to any one of claims 1 to 5, characterized in that Also included is an atomizer assembly, which is used to heat the aerosol matrix to generate an aerosol and has an atomization chamber; The negative pressure side is communicated with the atomization chamber.

7. The atomizing device according to claim 6, characterized in that It also includes a mounting bracket, which has a first side and a second side that are arranged opposite to each other, the atomizer assembly is mounted on the first side of the mounting bracket, and the airflow sensor, the circuit board and the protective member are all mounted on the second side of the mounting bracket.

8. The atomizing device according to claim 7, characterized in that: The mounting bracket is provided with a first mounting slot and a second mounting slot, the first mounting slot is provided on the first side, and the second mounting slot is provided on the second side; The atomizer assembly includes a first atomization core, the atomization chamber includes a first atomization chamber body, the first atomization chamber is located in the first atomization core and is connected to the first mounting groove; the airflow sensor, the circuit board and the protective element are all installed in the second mounting groove; The mounting bracket also has a first through hole and a second through hole; the first through hole is connected to the first mounting slot for allowing external airflow to enter the first mounting slot; the second through hole is connected to the second mounting slot and is connected to the second through hole.

9. The atomizing device according to claim 8, characterized in that: The second through hole is formed on the bottom wall of the second mounting groove, and the diameter of the second through hole is smaller than the diameter of the second through hole; The first mounting groove and the second mounting groove are staggeredly arranged along an axial direction perpendicular to the atomizer assembly.

10. The atomizing device according to claim 8, characterized in that The mounting bracket is further provided with a third mounting groove, and the third mounting groove is used to communicate with the main air intake passage; The third mounting groove is arranged on the second side, isolated from the second mounting groove, and communicated with the first mounting groove through the first through hole.

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