Atomization device

Abstract

The utility model relates to the technical field of atomizers, and discloses an atomizing device, which is used for atomizing to generate aerosol and comprises a shell component, a first cavity and a ventilation channel, and the ventilation channel is configured to allow external air to flow through the interior of the shell component; the circuit board is arranged in the first cavity; the airflow sensor is accommodated in the first chamber and is directly welded on the circuit board; the sealing part is matched with the circuit board to form a containing space, the airflow sensor is located in the containing space, a starting vent hole is formed in the sealing part, and the airflow sensor is in airflow sensing communication with the ventilation channel through the starting vent hole. The air flow sensor structure at least can reduce pseudo soldering of a circuit board and an air flow sensor, is less in desoldering, enables circuit conduction to be more stable and reliable, improves yield, and reduces cost. The airflow sensor is in airflow sensing communication with the ventilation channel through the starting ventilation hole, the sensitivity of the airflow sensor is improved, and the phenomenon that the atomization device is not started is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic cigarettes, in particular to an atomization device. Background Art

[0002] Electronic cigarettes are a type of consumer-grade atomization device. Electronic cigarettes generally use airflow sensors as inductive start switches. When a user inhales an electronic cigarette, airflow passes through the airflow sensor, causing a pressure difference near the airflow sensor, thereby activating the airflow sensor, conducting the circuit, and allowing the electronic cigarette to perform normal atomization.

[0003] However, in the related art, the circuit board is connected to the airflow sensor through a connecting wire. Therefore, it is necessary to manually weld the connecting wire to connect the circuit board and the airflow sensor. This design structure increases the manual assembly cost. At the same time, due to the welding process of the connecting wire, problems such as cold soldering and desoldering are prone to occur, and then the circuit conduction is poor during assembly or use, resulting in an increase in the defect rate and an increase in cost. Utility Model Content

[0004] Based on the above, the purpose of the utility model is to provide an atomization device, which can at least reduce the number of cold solder joints and desoldering between the circuit board and the airflow sensor, making the circuit conduction more stable and reliable, thereby improving the yield and reducing costs.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The embodiment of the present application provides an atomizing device for atomizing to generate an aerosol, the atomizing device comprising:

[0007] a housing assembly having a first chamber and a vent passage configured to allow external gas to flow through an interior of the housing assembly;

[0008] A circuit board is disposed in the first chamber;

[0009] an air flow sensor, contained in the first chamber and directly welded to the circuit board;

[0010] The sealing part cooperates with the circuit board to form a receiving space, the airflow sensor is located in the receiving space, and the sealing part is provided with a starting vent hole, and the airflow sensor is connected to the airflow sensing of the ventilation channel through the starting vent hole.

[0011] In some embodiments, the ventilation channel includes a main air hole opened in the sealing portion, the main air hole is located on one side of the startup vent hole, and the startup vent hole is connected to the accommodating space through the main air hole.

[0012] In some embodiments, the atomizing device further comprises a battery, and the housing assembly comprises:

[0013] A first housing, comprising a battery slot having a first opening, wherein the battery is disposed in the battery slot and is electrically connected to the circuit board;

[0014] A first slot cover, covering the first opening;

[0015] A second housing, comprising a circuit board slot having a second opening, wherein the first housing cover is disposed on the second opening to cooperate to form the first chamber;

[0016] Wherein, the first slot cover has the sealing portion, the bottom of the battery slot is provided with a first air hole, the bottom of the circuit board slot is provided with a second air hole, wherein the ventilation channel includes the second air hole, the first chamber, the main air hole, the battery slot and the first air hole which are connected in sequence.

[0017] In some embodiments, the atomizing device further comprises:

[0018] The third shell comprises an inner shell receiving groove having a third opening, the first shell and the second shell are inserted and fixed in the inner shell receiving groove, and a third air hole connected with the second air hole is formed at the bottom of the inner shell receiving groove.

[0019] In some embodiments, an outer surface formed by the combination of the first shell and the second shell is at least partially in contact with an inner wall of the inner shell receiving groove.

[0020] In some embodiments, a first pressure relief groove is provided on the outer surface of the first shell, and the first pressure relief groove extends to both ends of the first shell along the direction in which the first shell is inserted into the third shell; and / or, a second pressure relief groove is provided on the outer surface of the second shell, and the second pressure relief groove is connected to the third air hole, and one end of the second pressure relief groove extends to the edge of the third opening.

[0021] In some embodiments, the atomization device further comprises:

[0022] A display screen, electrically connected to the circuit board, and the display screen is accommodated in the first cavity;

[0023] Parts of the second shell and the third shell facing the display screen are light-transmissive so as to display the display content of the display screen.

[0024] In some embodiments, the first shell includes a shell body and a shielding plate, the shell body is provided with an observation window at a position facing the display screen, the shielding plate covers the observation window, and the shielding plate is a light-transmitting structure; the third shell includes a second observation area facing the display screen, wherein the second observation area is a light-transmitting structure, or the third shell is a light-transmitting structure.

[0025] In some embodiments, the airflow sensor has a sensing end, and the start vent is opposite to the sensing end; and / or, the airflow sensor has a first welding surface, the circuit board has a second welding surface, and the first welding surface is welded to the second welding surface; and / or, the atomization device is an electronic cigarette.

[0026] In some embodiments, the atomization device further includes an oil tank assembly and an atomization assembly, wherein the oil tank assembly is connected to the atomization assembly for oil supply, the atomization assembly is electrically connected to the circuit board and is ventilatedly connected to the ventilation channel, the oil tank assembly is used to contain the tobacco oil, and the atomization assembly is used to atomize the tobacco oil to generate an aerosol.

[0027] The beneficial effects of the utility model are:

[0028] The atomizing device of the utility model is used for atomizing and generating aerosol, and the atomizing device comprises a shell assembly, a circuit board, an airflow sensor, and a sealing part. The shell assembly has a first chamber and a ventilation channel, and the ventilation channel is configured to allow external gas to flow through the interior of the shell assembly; the circuit board is arranged in the first chamber; the airflow sensor is accommodated in the first chamber and directly welded to the circuit board; the sealing part cooperates with the circuit board to form a receiving space, the airflow sensor is located in the receiving space, and the sealing part is provided with a start-up vent hole, and the airflow sensor is connected to the airflow sensing of the ventilation channel through the start-up vent hole.

[0029] Compared with the structure of connecting wires, the airflow sensor is housed in the first chamber and directly welded to the circuit board, which can at least reduce the number of cold solder joints and desoldering between the circuit board and the airflow sensor, making the circuit connection more stable and reliable, thereby improving the yield rate and reducing the cost. In addition, the airflow sensor is connected to the airflow sensing of the ventilation channel through the start-up vent hole, which can make the airflow sensor concentrate on the airflow sensing of the ventilation channel through the start-up vent hole, thereby facilitating the improvement of the sensitivity of the airflow sensor and reducing the phenomenon of the atomization device not starting. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0031] Figure 1 A cross-sectional view of an atomizing device in an embodiment provided by the utility model;

[0032] Figure 2 A cross-sectional view of the atomizer device after the oil tank assembly and the atomizer assembly are separated from the housing assembly in the embodiment provided by the utility model;

[0033] Figure 3 A three-dimensional schematic diagram of a partially disassembled housing assembly in an embodiment of the present invention Figure 1 ;

[0034] Figure 4 A three-dimensional schematic diagram of a partially disassembled housing assembly in an embodiment of the present invention Figure 2 ;

[0035] Figure 5 A cross-sectional schematic diagram of the positions of the first shell and the second shell of the atomizing device in the embodiment provided by the utility model;

[0036] Figure 6 for Figure 5 A partial enlarged view of point A in the middle.

[0037] In the figure:

[0038] 1. Shell assembly;

[0039] 11. first shell; 111. battery slot; 112. first air hole; 113. first pressure relief groove; 114. shell body; 115. shielding plate;

[0040] 12. first slot cover; 121. sealing portion; 1211. start vent hole; 1212. main air hole;

[0041] 13. second housing; 131. circuit board slot; 132. second air hole; 133. second pressure relief slot;

[0042] 14. third shell body; 141. inner shell receiving groove; 142. third air hole;

[0043] 2. Circuit board;

[0044] 3. Airflow sensor;

[0045] 4. Display screen;

[0046] 5. Oil tank assembly;

[0047] 6. Atomization components;

[0048] 7. Battery;

[0049] 8. Filling pad. DETAILED DESCRIPTION

[0050] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0051] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0053] In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0054] See also Figure 1-6, an embodiment of the present application provides an atomization device for atomizing and generating aerosol, the atomization device includes a shell assembly 1, a circuit board 2, an airflow sensor 3, and a sealing portion 121. The shell assembly 1 has a first chamber and a ventilation channel, and the ventilation channel is configured to allow external gas to flow through the interior of the shell assembly 1; the circuit board 2 is arranged in the first chamber; the airflow sensor 3 is accommodated in the first chamber and directly welded to the circuit board 2; the sealing portion 121 cooperates with the circuit board 2 to form a receiving space, the airflow sensor 3 is located in the receiving space, and the sealing portion 121 is provided with a start-up vent hole 1211, and the airflow sensor 3 is connected to the airflow sensing of the ventilation channel through the start-up vent hole 1211. In particular, in some embodiments, the atomization device is an electronic cigarette.

[0055] Compared with the structure connected by connecting wires, the airflow sensor 3 is accommodated in the first chamber and directly welded to the circuit board 2, which can at least reduce the number of cold solder joints and desoldering between the circuit board 2 and the airflow sensor 3, making the circuit conduction more stable and reliable, thereby improving the yield rate and reducing the cost. In addition, the airflow sensor 3 is connected to the airflow sensing of the ventilation channel by starting the vent hole 1211, so that the airflow sensor 3 can be concentrated on the airflow sensing of the ventilation channel through the starting vent hole 1211, thereby helping to improve the sensitivity of the airflow sensor 3 and reduce the phenomenon of the atomization device not starting.

[0056] In some embodiments, see Figure 1-2 The ventilation channel includes a main air hole 1212 opened in the sealing part 121. The main air hole 1212 is located on one side of the start-up vent hole 1211. The start-up vent hole 1211 is connected to the accommodation space through the main air hole 1212 to achieve the connection between the ventilation channel and the accommodation space. The main air hole 1212 plays a role in concentrating and guiding the airflow to the orifice of the start-up vent hole 1211, which is beneficial to improve the sensitivity of the airflow sensor 3. In some embodiments, the main air hole 1212 is located on one side of the start-up vent hole 1211, thereby reducing the orifice spacing between the orifice of the main air hole 1212 and the orifice of the start-up vent hole 1211, and achieving the role of concentrating and guiding the airflow through the orifice of the start-up vent hole 1211, which is beneficial to improve the sensitivity of the airflow sensor 3. In some embodiments, the orifice spacing between the orifice of the main air hole 1212 and the orifice of the start-up vent hole 1211 can be within 10 mm, which is beneficial to improve the sensitivity of the airflow sensor 3.

[0057] See also Figure 4-5In some embodiments, the atomizing device further includes a battery 7, and the housing assembly 1 includes a first housing 11, a first slot cover 12, and a second housing 13. The first housing 11 includes a battery slot 111 having a first opening, and the battery 7 is disposed in the battery slot 111 and is electrically connected to the circuit board 2; the first slot cover 12 is disposed on the first opening; the second housing 13 includes a circuit board slot 131 having a second opening, and the first housing 11 is disposed on the second opening to cooperate to form a first chamber; wherein the first slot cover 12 has a sealing portion 121, a first air hole 112 is provided at the bottom of the battery slot 111, and a second air hole 132 is provided at the bottom of the circuit board slot 131, wherein the ventilation channel includes the second air hole 132, the first chamber, the main air hole 1212, the battery slot 111, and the first air hole 112, which are connected in sequence, thereby forming a connected air flow path. In addition, the first slot cover 12 serves to separate the battery slot 111 and the circuit board slot 131, which is conducive to separating the heat generated by the battery 7 and the heat generated by the circuit board 2. The first slot cover 12 has a sealing portion 121, that is, the sealing portion 121 is integrated into the first slot cover 12, which has a high degree of integration and can reduce the number of parts. In some embodiments, a filling pad 8 is also provided in the battery slot 111, and the filling pad 8 supports the position of the fixed battery 7.

[0058] In some embodiments, see Figure 4-5 The airflow sensor 3 has a sensing end, and the start-up vent 1211 is directly opposite to the sensing end, thereby shortening the airflow sensing conduction path and improving the sensitivity of the airflow sensor 3.

[0059] In some embodiments, see Figure 4-5 The airflow sensor 3 has a first welding surface, and the circuit board 2 has a second welding surface. The first welding surface is welded to the second welding surface. The surface contact makes the welding area large, stable and reliable, which can reduce cold desoldering, reduce poor conductivity, and improve the yield rate.

[0060] See also Figure 4-5 In some embodiments, the atomizing device further includes a third shell 14. The third shell 14 includes an inner shell receiving groove 141 having a third opening, and the first shell 11 and the second shell 13 are inserted and fixed in the inner shell receiving groove 141. The bottom of the inner shell receiving groove 141 is provided with a third air hole 142 that is connected to the second air hole 132, and can further be connected to the external atmosphere; the third shell 14 plays a role in protecting and containing the first shell 11 and the second shell 13.

[0061] In some embodiments, see Figure 3 The outer surface formed by the combination of the first shell 11 and the second shell 13 is at least partially fitted with the inner wall of the inner shell receiving groove 141, which improves the tightness of the structural fit and is conducive to improving the stability and reliability of the structure.

[0062] See also Figure 3In some embodiments, a first pressure relief groove 113 is provided on the outer surface of the first shell 11. The first pressure relief groove 113 runs through both ends of the first shell 11 along the direction in which the first shell 11 is inserted into the third shell 14. The first pressure relief groove 113 can timely discharge the gas in the third shell 14 when the first shell 11 is inserted into the third shell 14, making the insertion more labor-saving; in addition, when the internal temperature is too high and the pressure is high, it can also be conducive to rapid pressure relief.

[0063] In some embodiments, see Figure 3 The outer surface of the second shell 13 is provided with a second pressure relief groove 133, which is connected to the third air hole 142, and one end of the second pressure relief groove 133 is connected to the edge of the third opening, which is conducive to discharging the gas in the third shell 14 when the second shell 13 is inserted into the third shell 14, and the insertion is more labor-saving; in addition, when the internal temperature is too high and the pressure is high, it can also be conducive to rapid pressure relief. In some embodiments, the first pressure relief groove 113 can be connected to the second pressure relief groove 133. The first pressure relief groove 113 and the second pressure relief groove 133 can be long strip-shaped grooves.

[0064] See also Figure 1-4 In some embodiments, the atomizing device further includes a display screen 4. The display screen 4 is electrically connected to the circuit board 2 and is contained in the first chamber; wherein the second shell 13 and the third shell 14 are transparent toward the display screen 4 to display the display content of the display screen 4. The display screen 4 can be an existing one, which can display information such as the power level of the battery 7 and the working status, and will not be described in detail.

[0065] In some embodiments, see Figure 2-4 The first shell 11 includes a shell body 114 and a shielding plate 115. The shell body 114 is provided with an observation window at a position facing the display screen 4. The shielding plate 115 covers the observation window, and the shielding plate 115 is a light-transmitting structure. The third shell 14 includes a second observation area facing the display screen 4, wherein the second observation area is a light-transmitting structure. Alternatively, in some embodiments, the third shell 14 is a light-transmitting structure, which can better change and view the display screen 4. The display screen 4 is spaced apart from the third shell 14 and the shielding plate 115, so that it has a better sense of layering, which is conducive to improving the visual effect.

[0066] See also Figure 1In some embodiments, the atomizer device further includes an oil tank assembly 5 and an atomizer assembly 6. The oil tank assembly 5 is disposed in the housing assembly 1, and is used to contain the smoke oil; the atomizer assembly 6 is electrically connected to the circuit board 2 and is ventilated to the ventilation channel, and the oil tank assembly 5 is in oil supply communication with the atomizer assembly 6, and the atomizer assembly 6 is used to atomize the smoke oil to generate an aerosol. The oil tank assembly 5 includes but is not limited to a split structure, and can also be a structure integrated with the housing assembly 1. The structure of the atomizer assembly 6 includes but is not limited to an existing atomizer structure with an electrically heated heating element; for explanation, the oil tank assembly 5 and the housing assembly 1 can adopt existing structures, and the details are not repeated.

[0067] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An atomizing device for atomizing to generate an aerosol, characterized in that: The atomizing device comprises: a housing assembly having a first chamber and a vent passage configured to allow external gas to flow through an interior of the housing assembly; A circuit board is disposed in the first chamber; an air flow sensor, contained in the first chamber and directly welded to the circuit board; The sealing part cooperates with the circuit board to form a receiving space, the airflow sensor is located in the receiving space, and the sealing part is provided with a starting vent hole, and the airflow sensor is connected to the airflow sensing of the ventilation channel through the starting vent hole.

2. The atomizing device according to claim 1, characterized in that: The ventilation channel includes a main air hole opened in the sealing portion, the main air hole is located at one side of the start-up air hole, and the start-up air hole is connected with the accommodating space through the main air hole.

3. The atomizing device according to claim 2, characterized in that: The atomizing device further comprises a battery, and the housing assembly comprises: A first housing, comprising a battery slot having a first opening, wherein the battery is disposed in the battery slot and is electrically connected to the circuit board; A first slot cover, covering the first opening; A second housing, comprising a circuit board slot having a second opening, wherein the first housing cover is disposed on the second opening to cooperate to form the first chamber; Wherein, the first slot cover has the sealing portion, the bottom of the battery slot is provided with a first air hole, the bottom of the circuit board slot is provided with a second air hole, wherein the ventilation channel includes the second air hole, the first chamber, the main air hole, the battery slot and the first air hole which are connected in sequence.

4. The atomizing device according to claim 3, characterized in that: Also includes: The third shell comprises an inner shell receiving groove having a third opening, the first shell and the second shell are inserted and fixed in the inner shell receiving groove, and a third air hole connected with the second air hole is formed at the bottom of the inner shell receiving groove.

5. The atomizing device according to claim 4, characterized in that: The outer surface formed by the combination of the first shell and the second shell is at least partially in contact with the inner wall of the inner shell accommodating groove.

6. The atomizing device according to claim 4, characterized in that: A first pressure relief groove is provided on the outer surface of the first shell, and the first pressure relief groove penetrates to both ends of the first shell along the direction in which the first shell is inserted into the third shell; and / or, A second pressure relief groove is provided on the outer surface of the second shell, the second pressure relief groove is communicated with the third air hole, and one end of the second pressure relief groove passes through to the edge of the third opening.

7. The atomizing device according to claim 4, characterized in that: The atomizing device also includes: A display screen, electrically connected to the circuit board, and the display screen is accommodated in the first cavity; Parts of the second shell and the third shell facing the display screen are light-transmissive so as to display the display content of the display screen.

8. The atomizing device according to claim 7, characterized in that: The first shell includes a shell body and a shielding plate, the shell body is provided with an observation window at a position facing the display screen, the shielding plate is covered on the observation window, and the shielding plate is a light-transmitting structure; The third shell includes a second observation area facing the display screen, wherein the second observation area is a light-transmitting structure, or the third shell is a light-transmitting structure.

9. The atomizing device according to claim 1, characterized in that: The airflow sensor has a sensing end, and the start-up vent is directly opposite to the sensing end; and / or, The airflow sensor has a first welding surface, the circuit board has a second welding surface, and the first welding surface is welded and attached to the second welding surface; and / or, The atomization device is an electronic cigarette.

10. The atomizing device according to claim 2, characterized in that: The atomizer device also includes an oil tank assembly and an atomizer assembly, wherein the oil tank assembly is connected to the atomizer assembly for oil supply, the atomizer assembly is electrically connected to the circuit board and is ventilatedly connected to the ventilation channel, the oil tank assembly is used to contain the smoke oil, and the atomizer assembly is used to atomize the smoke oil to generate an aerosol.

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