Aerosol-generating device

Abstract

The utility model belongs to aerosol's generation technical field discloses an aerosol generating device. The aerosol generating device includes the battery for power supply, mounting frame and sensor, and the sensor is electrically connected with the battery. The mounting frame includes mounting bin, annular wall and airflow channel. The mounting bin is used for accommodating the sensor; the annular wall is arranged in the mounting bin, the inner side of annular wall forms detection cavity, and the detection end of sensor is located in the detection cavity or is towards the detection cavity; the airflow channel is located in the mounting bin and at least partly surrounds the outer side of annular wall, and the airflow channel is provided with adsorption structure to adsorb condensate; the notch is arranged in the annular wall and is communicated with the airflow channel and the detection cavity, and the external air enters the detection cavity through the airflow channel and the notch in turn. In the utility model, the condensate can be reduced to contact the sensor, and the performance and service life of the sensor are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of aerosol generation technology, and more particularly to an aerosol generation device. Background Technology

[0002] An aerosol generating device is a device that can heat and atomize an aerosol generating matrix to produce aerosols.

[0003] Known aerosol generation devices typically include a battery, a sensor, and a heating element. The sensor controls the electrical connection between the heating element and the battery. When a user inhales, air enters the heating element through an airflow channel, creating a negative pressure or a flowing airflow around the sensor. The sensor detects the surrounding air pressure or airflow to determine if there is a user inhaling action. When inhalation is detected, the sensor controls the battery to supply power to the heating element.

[0004] However, in existing aerosol generation devices, after prolonged use by users, the condensate formed when the aerosol cools enters the airflow channel, causing the sensor to be wetted by the condensate, which affects the sensor's performance and lifespan. Utility Model Content

[0005] The purpose of this invention is to provide an aerosol generating device to reduce the contact and wetting of the sensor by condensate, thereby ensuring the performance and service life of the sensor.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] An aerosol generating device includes a battery for power supply, a mounting bracket, and a sensor, the sensor being electrically connected to the battery, and the mounting bracket comprising:

[0008] A mounting compartment is provided to house the sensor.

[0009] An annular wall is provided inside the mounting chamber, and a detection cavity is formed on the inner side of the annular wall. The detection end of the sensor is located inside the detection cavity or faces the detection cavity.

[0010] An airflow channel is located inside the installation chamber and at least partially surrounds the outer side of the annular wall. The airflow channel is provided with an adsorption structure to adsorb condensate.

[0011] A notch is formed in the annular wall and connects the airflow channel and the detection chamber, so that external air can enter the detection chamber sequentially through the airflow channel and the notch.

[0012] As an alternative to the aerosol generating device, the mounting frame is provided with a through-hole communicating with the airflow channel to introduce air into the airflow channel; the annular wall has a first side close to the through-hole and a second side away from the through-hole, the first side and the second side being arranged opposite to each other;

[0013] The gap is located between the first side and the second side and closer to the second side, or the gap is located on the second side.

[0014] As an alternative to the aerosol generation device, the airflow channel is defined by a portion of the mounting chamber and the annular wall, and the adsorption structure is a groove located within the airflow channel.

[0015] As an alternative to an aerosol generation device, several of the adsorption structures are arranged at intervals along the extension direction of the airflow channel.

[0016] As an alternative to the aerosol generating device, the mounting bracket is provided with protrusions facing the airflow channel, and the gap between two adjacent protrusions forms the groove.

[0017] As an alternative to the aerosol generating device, at least one of the protrusions is disposed opposite to the notch to prevent condensate from entering the detection chamber.

[0018] As an alternative to the aerosol generating device, at least one of the protrusions extends into the notch to prevent liquid from entering the detection chamber.

[0019] As an alternative to the aerosol generating device, a boss is provided in the notch, the boss extends from the bottom wall of the detection cavity into the interior of the notch, and the height of the boss is less than the height of the annular wall.

[0020] As an alternative to an aerosol generation device, the adsorption structure has capillaries for adsorbing liquids.

[0021] As an alternative to an aerosol generating device, the annular wall is partially circular or partially elliptical.

[0022] Beneficial effects:

[0023] Specifically, the battery is typically a rechargeable power source capable of multiple cycles. The battery is housed inside the casing and can be removably connected for easy replacement. To ensure convenient electrical connection, the battery, once correctly positioned within the casing, can achieve a stable electrical connection with the heating element. The sensor is an airflow sensor that detects changes in airflow pressure passing through it, indicating the user's suction action. When the sensor detects a pressure change, it indicates the user is suctioning, and the battery is then activated to power the heating element. The mounting bracket is an internal support structure within the casing, used to position and mount the internal components of this aerosol generating device. A portion of the mounting bracket forms a mounting chamber to house the sensor. An annular wall is located inside the mounting chamber, with its inner wall forming a detection cavity. The sensor's detection end is oriented towards or inserted into this detection cavity. An airflow channel is formed between the outer wall of the annular wall and the inner wall of the mounting chamber, and an adsorption structure within this channel adsorbs condensate. The notch connects the airflow channel and the detection chamber, allowing airflow to pass through the airflow channel and then through the notch into the detection chamber, enabling the sensor to detect the airflow. In this application, the condensate can be adsorbed by the adsorption structure, thus preventing the condensate from flowing into the interior of the detection chamber through the airflow channel, avoiding contact with and wetting of the sensor, thereby ensuring the sensor's performance and service life. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the internal structure of the aerosol generating device provided in this embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the hidden part of the outer shell of the aerosol generating device provided in this embodiment of the utility model;

[0026] Figure 3 This is a cross-sectional view of a portion of the structure of the aerosol generating device provided in this embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of gas flow direction under a cross-sectional view provided in this embodiment of the utility model;

[0028] Figure 5 This is a schematic diagram of gas flow direction from a top-down perspective provided in this embodiment of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure provided by an embodiment of the present invention, showing the protrusions and the notch being arranged opposite each other;

[0030] Figure 7 This is a schematic diagram of the structure provided by the embodiment of the present utility model, showing the protrusion extending into the notch.

[0031] In the picture:

[0032] 10. Aerosol generating device;

[0033] 100. Mounting bracket; 200. Battery; 300. Heating assembly; 400. Sensor; 500. Circuit board;

[0034] 1. Installation chamber; 2. Annular wall; 21. Detection chamber; 22. First side; 23. Second side; 3. Airflow channel; 31. Adsorption structure; 32. Protrusion; 4. Notch; 5. Through port. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0036] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0039] Please see the appendix Figure 1-Appendix Figure 3 The aerosol generating device 10 involved in this embodiment includes a battery 200 for power supply, a mounting frame 100, and a sensor 400. The sensor 400 is electrically connected to the battery 200. The mounting frame 100 includes a mounting chamber 1, an annular wall 2, and an airflow channel 3. The mounting chamber 1 is used to house the sensor 400. The annular wall 2 is disposed in the mounting chamber 1, and a detection cavity 21 is formed on the inner side of the annular wall 2. The detection end of the sensor 400 is located in or facing the detection cavity 21. The airflow channel 3 is located in the mounting chamber 1 and at least partially surrounds the outer side of the annular wall 2. An adsorption structure 31 is provided in the airflow channel 3 to adsorb condensate. A notch 4 is opened in the annular wall 2 and connects the airflow channel 3 and the detection cavity 21 so that air can enter the detection cavity 21 sequentially through the airflow channel 3 and the notch 4.

[0040] The aerosol generating device 10 also includes a heating component 300 for heating the liquid matrix and a circuit board 500. The sensor 400 is integrated on the circuit board 500, which processes the information acquired by the sensor 400 and can perform related control operations. The control principle of the circuit board 500 can refer to the conventional control principle of existing products.

[0041] It should be noted that this aerosol generating device 10 requires the use of a liquid matrix. The liquid matrix refers to a matrix capable of releasing volatile substances to form an inhalable aerosol. The liquid matrix may include tobacco-containing materials containing volatile tobacco flavor compounds released from the substrate upon heating. Specifically, the liquid matrix may be a tobacco-containing aerosol generating matrix, or the liquid matrix may include non-tobacco materials.

[0042] In this embodiment, the heating component 300 releases heat to the liquid matrix, thereby causing the liquid matrix to produce volatile substances. The volatile substances combine with the incoming air to form an aerosol.

[0043] Specifically, the battery 200 is typically a rechargeable battery that can be used multiple times. The battery 200 is housed inside the housing and can be removably connected to the housing to facilitate battery replacement. In order to ensure convenient electrical connection, the battery 200 can usually achieve a stable electrical connection with the heating component 300 after being placed in the correct position inside the housing.

[0044] The sensor 400 constitutes a switching element between the heating component 300 and the battery 200. The sensor 400 is an airflow sensor. By detecting the change in airflow pressure flowing through the sensor 400, the user's suction action is determined. When the sensor 400 detects a pressure change, it indicates that the user is performing a suction action, and then controls the battery 200 to supply power to the heating component 300.

[0045] The mounting frame 100 is an internal support structure for the housing, used to position and mount the internal components of the aerosol generating device 10. A portion of the mounting frame 100 forms a mounting chamber 1 to house the sensor 400; in this embodiment, the mounting chamber 1 is circular. An annular wall 2 is disposed inside the mounting chamber 1. The annular wall 2 is a circular or elliptical ring structure located within the circular area of ​​the mounting chamber 1. The notch 4 makes the annular wall 2 partially circular or partially elliptical. The inner wall of the annular wall 2 surrounds a circular detection cavity 21, adaptably with the detection end of the sensor 400 facing or inserted into the detection cavity 21. An airflow channel 3 is formed between the outer wall of the annular wall 2 and the inner wall of the mounting chamber 1, allowing airflow to pass through. An adsorption structure 31 is provided within the airflow channel 3 to adsorb condensate. The adsorption structure 31 includes, but is not limited to, adsorption elements with adsorption functions, adsorption tanks for storing condensate, or capillary pores directly formed inside the airflow channel 3 for adsorption. The notch 4 connects the airflow channel 3 and the detection chamber 21, allowing the airflow to pass through the airflow channel 3 and then through the notch 4 into the detection chamber 21, enabling the sensor 400 to detect the airflow.

[0046] In this embodiment, the condensate can be adsorbed by the adsorption structure 31. Therefore, the condensate is difficult to flow into the interior of the detection chamber 21 through the airflow channel 3. This is effective in avoiding or reducing the contact and wetting of the sensor 400 by the condensate, thereby ensuring the performance and service life of the sensor 400.

[0047] Optionally, the mounting bracket 100 is provided with a through-hole 5 communicating with the airflow channel 3 to introduce air into the airflow channel 3; the annular wall 2 has a first side 22 near the through-hole 5 and a second side 23 away from the through-hole 5, the first side 22 and the second side 23 being arranged opposite to each other; the notch 4 is located between the first side 22 and the second side 23 and near the second side 23, or the notch 4 is located on the second side 23.

[0048] Please further refer to the appendix. Figure 4 and attached Figure 5 A schematic diagram of the airflow direction is shown. Specifically, an air inlet is provided on the outer wall of the shell and is connected to the through-hole 5 of the mounting bracket 100 through the air inlet channel. External air can pass through the air inlet and the air inlet channel through the through-hole 5. The annular wall 2 forms a ring when viewed from above, and forms a first side 22 close to the through-hole 5 and a second side 23 away from the through-hole 5. The notch 4 is a rectangular open opening.

[0049] In this embodiment, by placing the notch 4 between and close to the second side 23, the notch 4 is moved away from the through opening 5, thereby extending the airflow path. In this embodiment, not only is the airflow channel 3 extended and the airflow path increased by forming a curved and extended annular wall 2, but the notch 4 is also further moved away from the through opening 5 to increase the airflow path, providing sufficient time and space for the adsorption structure 31 to adsorb the condensate, further reducing the possibility of the condensate entering the detection chamber 21.

[0050] Preferably, in this embodiment, the notch 4 is directly set on the second side 23 to maximize the airflow path, maximize the adsorption effect, and minimize the possibility of condensate entering the detection chamber 21.

[0051] It should be noted that in this embodiment, the annular wall 2 can be designed directly on the mounting frame 100, so there is no need to add a separate flow guiding structure, thereby avoiding the increase in the number of parts and materials, and ensuring that the original assembly method remains unchanged.

[0052] Optionally, the adsorption structure 31 is a groove located within the airflow channel 3.

[0053] In this embodiment, the airflow channel 3 is defined by the inner wall of part of the installation chamber 1 and the outer wall of the annular wall 2. The adsorption structure 31 of the groove can effectively and for a long time store the condensate through the surface tension of the liquid, ensuring that the condensate cannot enter the interior of the detection chamber 21.

[0054] Furthermore, several adsorption structures 31 are arranged at intervals along the extension direction of the airflow channel 3.

[0055] In this embodiment, the airflow channel 3 extends in an arc shape, and multiple adsorption structures 31 are arranged at intervals inside the airflow channel 3 to expand the adsorption space for condensate and enhance the adsorption effect.

[0056] Optionally, the mounting bracket 100 is provided with protrusions 32 facing the airflow channel 3, and the gap between two adjacent protrusions 32 forms a groove.

[0057] In this embodiment, the mounting bracket 100 forms protrusions 32, and the gap between two adjacent protrusions 32 forms a groove. The protrusions 32 act as a barrier to the flow of condensate in the airflow channel 3, effectively reducing the possibility of condensate flowing into the detection chamber 21. Alternatively, the groove can be a groove-shaped structure directly recessed into the inner wall of the airflow channel 3. This structure does not occupy the space of the airflow channel 3, ensuring the smooth flow of air within the airflow channel 3.

[0058] Please see the appendix Figure 6Optionally, at least one of the protrusions 32 is disposed opposite to the notch 4 to prevent condensate from entering the detection chamber 21.

[0059] In one implementation of this embodiment, the protrusions 32 can be arranged sequentially at intervals and gradually extend to the notch 4. At the same time, the height of the protrusions 32 is lower than that of the annular wall 2, so that the protrusions 32 form a partition structure outside the notch 4 to block the condensate, further preventing the condensate from entering the detection chamber 21.

[0060] Please see the appendix Figure 7 Optionally, at least one of the protrusions 32 extends into the notch 4 to prevent liquid from entering the detection chamber 21.

[0061] In one implementation of this embodiment, there is at least one protrusion 32 whose part extends into the notch 4, thereby forming a partition structure inside the notch 4 to block the condensate, further preventing the condensate from entering the detection chamber 21.

[0062] Optionally, a boss is provided inside the notch 4, which extends from the bottom wall of the detection cavity 21 into the interior of the notch 4, and the height of the boss is less than the height of the annular wall 2.

[0063] In one implementation of this embodiment, a boss that is smaller in height than the annular wall 2 can be separately provided inside the notch 4, so that the boss forms a "threshold" structure inside the notch 4 to block the condensate, thereby further preventing the condensate from entering the detection chamber 21.

[0064] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An aerosol generating device, characterized in that, It includes a battery (200) for power supply, a mounting bracket (100) and a sensor (400), the sensor (400) being electrically connected to the battery (200); The mounting bracket (100) includes: Installation compartment (1) for housing the sensor (400); An annular wall (2) is set inside the mounting chamber (1), and a detection cavity (21) is formed on the inner side of the annular wall (2). The detection end of the sensor (400) is located inside the detection cavity (21) or facing the detection cavity (21). An airflow channel (3) is located inside the installation chamber (1) and at least partially surrounds the outside of the annular wall (2). An adsorption structure (31) is provided inside the airflow channel (3) to adsorb condensate. A notch (4) is formed in the annular wall (2) and connects the airflow channel (3) and the detection chamber (21) so that air can enter the detection chamber (21) sequentially through the airflow channel (3) and the notch (4).

2. The aerosol generating apparatus according to claim 1, characterized in that, The mounting bracket (100) is provided with a through opening (5) communicating with the airflow channel (3) to introduce air into the airflow channel (3); the annular wall (2) has a first side (22) close to the through opening (5) and a second side (23) away from the through opening (5), and the first side (22) and the second side (23) are arranged opposite to each other; The gap (4) is located between the first side (22) and the second side (23) and is close to the second side (23), or the gap (4) is located on the second side (23).

3. The aerosol generating apparatus according to claim 1, characterized in that, The airflow channel (3) is defined by part of the installation chamber (1) and the annular wall (2), and the adsorption structure (31) is a groove located in the airflow channel (3).

4. The aerosol generating apparatus according to claim 3, characterized in that, Several of the adsorption structures (31) are arranged at intervals along the extension direction of the airflow channel (3).

5. The aerosol generating apparatus according to claim 3, characterized in that, The mounting bracket (100) is provided with protrusions (32) facing the airflow channel (3), and the gap between two adjacent protrusions (32) forms the groove.

6. The aerosol generating apparatus according to claim 5, characterized in that, At least one of the protrusions (32) is disposed opposite to the notch (4) to prevent condensate from entering the detection chamber (21).

7. The aerosol generating apparatus according to claim 5, characterized in that, At least one of the protrusions (32) extends into the notch (4) to prevent liquid from entering the detection chamber (21).

8. The aerosol generating apparatus according to claim 1, characterized in that, The notch (4) is provided with a boss, which extends from the bottom wall of the detection cavity (21) into the notch (4), and the height of the boss is less than the height of the annular wall (2).

9. The aerosol generating apparatus according to any one of claims 1-8, characterized in that, The adsorption structure (31) has capillaries for adsorbing liquids.

10. The aerosol generating apparatus according to any one of claims 1-8, characterized in that, The annular wall (2) is in the shape of a partially circular ring or a partially elliptical ring.

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