Aerosol generating device and aerosol generating equipment

Abstract

This application relates to the technical field of aerosol generation equipment, and provides an aerosol generation device and an aerosol generation apparatus. The aerosol generation apparatus includes: a housing with a nozzle, a first liquid storage chamber and a second liquid storage chamber inside the housing, the second liquid storage chamber being connected to the first liquid storage chamber via an interface structure; an atomizing core disposed in the first liquid storage chamber, the atomizing core communicating with the nozzle and used for heating the atomized matrix; and a pressure relief valve assembly disposed in the second liquid storage chamber, the pressure relief valve assembly being able to displace or deform under the action of air pressure inside the second liquid storage chamber, thereby communicating with the external atmosphere. Accordingly, the pressure relief valve assembly can be displaced or deformed by air pressure, so that the second liquid storage chamber is connected to the outside when the internal pressure is lower than the external pressure, preventing negative pressure from affecting liquid replenishment. At the same time, the pressure relief valve assembly can also be closed under the action of air pressure or the pressure of the atomized matrix, preventing leakage of the atomized matrix and improving the user experience.

Description

Technical Field

[0001] This application relates to the field of aerosol generation equipment technology, specifically to an aerosol generation device and an aerosol generation equipment. Background Technology

[0002] In related technologies, aerosol generating equipment with an external liquid storage tank uses a large-capacity external liquid storage tank to replenish the atomizing liquid storage tank. However, as the atomizing matrix in the external liquid storage tank decreases, a certain negative pressure space is formed. Under the action of negative pressure, the atomizing matrix is ​​hindered from flowing further into the atomizing liquid storage tank, making it difficult for the subsequent liquid replenishment process to proceed smoothly. Utility Model Content

[0003] To address the technical problem that the replenishment process of the external liquid storage tank in aerosol generating equipment is difficult to perform smoothly in related technologies, this application provides an aerosol generating device and an aerosol generating equipment.

[0004] One embodiment of this utility model provides an aerosol generating device, comprising: a housing having a nozzle, a first liquid storage chamber and a second liquid storage chamber inside the housing, the second liquid storage chamber and the first liquid storage chamber being connected via an interface structure; an atomizing core disposed in the first liquid storage chamber and communicating with the nozzle, the atomizing core being used to heat the atomizing matrix to generate aerosol; and a pressure relief valve assembly disposed in the second liquid storage chamber, the pressure relief valve assembly being configured to be able to displace or deform under the action of air pressure inside the second liquid storage chamber, thereby connecting the pressure relief valve assembly to the external atmosphere.

[0005] According to another embodiment of the present invention, the pressure relief valve assembly includes: a top cover that covers the top of the second liquid storage chamber and has a first pressure relief hole; and a pressure relief valve core that has at least a portion disposed on the side of the top cover facing the second liquid storage chamber, the pressure relief valve core being able to displace or deform under air pressure and open the first pressure relief hole.

[0006] According to another embodiment of the present invention, the top cover has a pressure relief chamber. The top wall of the pressure relief chamber is provided with a valve core mounting hole and a first pressure relief hole. The pressure relief valve core passes through the valve core mounting hole, and one end of the pressure relief valve core is located in the pressure relief chamber. The bottom wall of the pressure relief chamber is provided with a second pressure relief hole that connects to the second liquid storage tank. In the height direction, both the first pressure relief hole and the second pressure relief hole are located within the shielding range of the pressure relief valve core. The pressure relief valve core can be displaced or deformed under air pressure and make the first pressure relief hole and the second pressure relief hole connected. The pressure relief valve core can also be displaced or deformed under air pressure or the pressure of the atomized matrix and close the first pressure relief hole.

[0007] According to another embodiment of the present invention, a valve core mounting hole extending along the height direction is provided on the top wall of the pressure relief chamber; the pressure relief valve core includes: a connecting post, which passes through the valve core mounting hole, and a limiting protrusion on the side wall of the end of the connecting post extending out of the pressure relief chamber, the limiting protrusion being able to abut against the top cover in the height direction; and a blocking part, which is located in the pressure relief chamber and connected to the end of the connecting post extending into the pressure relief chamber, the blocking part covering the first pressure relief hole and the second pressure relief hole in the height direction; wherein, the pressure relief valve core is able to move between a first position and a second position in the height direction, and in the first position, the blocking part abuts against the top wall of the pressure relief chamber and closes the first pressure relief hole, and in the second position, the blocking part separates from the top wall of the pressure relief chamber and connects the first pressure relief hole and the second pressure relief hole.

[0008] According to another embodiment of the present invention, the shielding part is an elastic structure and is capable of generating elastic deformation; and / or, the shielding part facing the second pressure relief hole is a convex arc surface structure.

[0009] According to another embodiment of the present invention, the shielding part is an umbrella-shaped structure, the opening side of the umbrella-shaped structure faces the valve core mounting hole, and the edge of the umbrella-shaped structure facing the valve core mounting hole has a sealing protrusion, the sealing protrusion is arranged along the circumference of the umbrella-shaped structure; wherein, in the height direction, the first pressure relief hole is located inside the sealing protrusion.

[0010] According to another embodiment of the present invention, there are multiple first pressure relief holes, and the first pressure relief holes are spaced apart circumferentially along the valve core mounting hole; and / or, the second pressure relief holes are coaxially arranged with the valve core mounting hole in the height direction.

[0011] According to another embodiment of the present invention, the second pressure relief hole is a tapered hole, and the diameter of the tapered hole gradually decreases in the direction of height towards the pressure relief cavity; and / or, the second pressure relief hole is a stepped hole, and in the direction of height, the section with the smaller diameter in the stepped hole is located at the end near the pressure relief cavity.

[0012] According to another embodiment of the present invention, the first liquid storage tank and the second liquid storage tank are arranged side by side in the width direction; the interface structure is located near the bottom end of the second liquid storage tank in the height direction, and the interface structure includes a first liquid replenishment hole and a second liquid replenishment hole connected to each other, the first liquid replenishment hole is located on the side wall of the first liquid storage tank, and the second liquid replenishment hole is located on the side wall of the second liquid storage tank.

[0013] According to another embodiment of the present invention, the interface structure further includes a movable plate, which is disposed between the first replenishment hole and the second replenishment hole and is sealed to the edge of the first replenishment hole and the edge of the second replenishment hole. A connecting hole is provided on the movable plate, and the movable plate can slide along the height direction to make the connecting hole communicate with the first replenishment hole and the second replenishment hole, or to close the first replenishment hole and the second replenishment hole.

[0014] According to another embodiment of the present invention, a limiting hole is also provided on the movable plate, the limiting hole extending along the height direction; a limiting member is provided on the side wall of the first liquid storage tank or the second liquid storage tank, the limiting member extending into the limiting hole and being able to abut against any end of the limiting hole in the height direction, so as to limit the sliding of the movable plate in the height direction.

[0015] According to another embodiment of the present invention, the inner bottom wall of the second liquid storage tank has a sloping structure, and the sloping structure gradually slopes towards the top of the second liquid storage tank in the direction away from the interface structure along the width direction.

[0016] One embodiment of this utility model provides an aerosol generating device, including: the aerosol generating apparatus of any of the above embodiments; and a power supply device, which is connected to the aerosol generating apparatus and electrically connected to the atomizing core to supply power to the atomizing core.

[0017] Correspondingly, by installing a pressure relief valve assembly at the bottom of the second liquid storage chamber, the air pressure inside the second liquid storage chamber can be used to cause at least a portion of the pressure relief valve assembly to shift or deform, thereby connecting the pressure relief valve assembly to the external atmosphere. This allows the second liquid storage chamber to connect with the outside when the internal pressure is lower than the external pressure, preventing negative pressure from affecting the replenishment of liquid to the first liquid storage chamber. The pressure relief valve assembly also closes under the action of air pressure or the pressure of the atomizing matrix, preventing leakage of the atomizing matrix and avoiding loss of the atomizing matrix. Furthermore, it is easy to carry and store, which helps to improve the user experience. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of an aerosol generating device in one embodiment of this application;

[0019] Figure 2 This is a cross-sectional view of an aerosol generating apparatus in one embodiment of this application;

[0020] Figure 3 This is a schematic diagram of a portion of the structure of an aerosol generating device in one embodiment of this application (main unit housing not shown);

[0021] Figure 4 This is an exploded view of a pressure relief valve assembly in one embodiment of this application;

[0022] Figure 5 Figure 1 is an exploded view of a pressure relief valve assembly in one embodiment of this application from another perspective.

[0023] Figure 6 This is a schematic diagram of a pressure relief valve core in one embodiment of this application;

[0024] Figure 7This is a schematic diagram of the pressure relief valve core in one embodiment of this application from another perspective;

[0025] Figure 8 for Figure 2 Enlarged view of part A (pressure relief valve core in the second position);

[0026] Figure 9 for Figure 8 A schematic diagram showing the pressure relief valve core in the first position;

[0027] Figure 10 This is a schematic diagram of a portion of the structure of an aerosol generating device in one embodiment of this application;

[0028] Figure 11 This is an exploded view of a portion of the structure of an aerosol generating device in one embodiment of this application.

[0029] Figure 12 This is a schematic diagram of an aerosol generating device in one embodiment of this application;

[0030] Figure 13 This is an exploded view of an aerosol generating device in one embodiment of this application;

[0031] Figure 14 This is a cross-sectional view of an aerosol generating device according to one embodiment of this application.

[0032] In the above figures, arrow F1 indicates the height direction of the aerosol generating device, and arrow F2 indicates the width direction of the aerosol generating device. Figure 8 The dashed arrows in the diagram indicate the direction of airflow.

[0033] Explanation of reference numerals in the attached figures:

[0034] 100 aerosol generating device;

[0035] 1. Housing; 11. Nozzle; 12. First liquid storage chamber; 121. Second seal; 122. Third seal; 123. Air passage hole; 13. Second liquid storage chamber; 131. Sloping structure; 14. Interface structure; 141. First liquid replenishment hole; 142. Second liquid replenishment hole; 143. Movable plate; 1431. Connecting hole; 1432. Limiting hole; 145. Limiting component; 146. Sealing sleeve; 15. Air guide chamber; 151. Air guide passage; 152. Liquid suction component; 2. Atomizing core; 3. Pressure relief valve assembly; 31. Top cover; 311. Pressure relief chamber; 3111. Valve core mounting hole; 312. First pressure relief hole; 313. Second pressure relief hole; 314. Upper cover; 3141. Atomizing passage; 315. First seal; 32. Pressure relief valve core; 321. Connecting column; 3211. Limiting protrusion; 322. Shielding part; 3221. Sealing protrusion.

[0036] 400 Power supply unit, 410 Power supply housing, 411 Air inlet, 420 Power supply assembly, 421 Battery, 422 Electronic control board. Detailed Implementation

[0037] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0038] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0039] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0040] The aerosol generating device provided in this application can be assembled with a power supply device to form a complete aerosol generating equipment. The aerosol generating device internally includes a first liquid storage chamber and a second liquid storage chamber. An interface structure connects the second liquid storage chamber to the first liquid storage chamber, allowing the atomizing matrix stored in the second liquid storage chamber to flow into the first liquid storage chamber for heating and atomization by the atomizing core to form an aerosol. By installing a pressure relief valve assembly in the second liquid storage chamber, when a pressure difference changes due to the reduction of the atomizing matrix, the pressure relief valve assembly can connect the second liquid storage chamber to the outside, achieving pressure relief and preventing negative pressure effects in the second liquid storage chamber from affecting the replenishment of the atomizing matrix. Additionally, the pressure relief valve assembly can also prevent the atomizing matrix from leaking outwards.

[0041] The following describes some embodiments of the aerosol generating apparatus and aerosol generating equipment provided in this application, with reference to the accompanying drawings.

[0042] An embodiment of the first aspect of this application provides an aerosol generating apparatus 100, such as... Figure 1 , Figure 2 As shown, the aerosol generating device 100 includes a housing 1, an atomizing core 2, and a pressure relief valve assembly 3. The housing 1 serves as the mounting base and has a nozzle 11. Inside the housing 1, there is a first liquid storage chamber 12 and a second liquid storage chamber 13 for storing the atomizing matrix. The atomizing core 2 is disposed in the first liquid storage chamber 12 and communicates with the nozzle 11 to heat the atomizing matrix in the first liquid storage chamber 12, so that the atomizing matrix is ​​heated and atomized to generate an aerosol. The aerosol flows with the airflow to the nozzle 11 for inhalation. The second liquid storage chamber 13 is connected to the first liquid storage chamber 12 through an interface structure 14, so that the atomizing matrix in the second liquid storage chamber 13 can flow into the first liquid storage chamber 12 through the interface structure 14 to replenish the first liquid storage chamber 12. The second liquid storage chamber 13 is equipped with a pressure relief valve assembly 3. The pressure relief valve assembly 3 can be displaced or deformed under the action of air pressure in the second liquid storage chamber 13, so that the pressure relief valve assembly 3 can communicate with the outside atmosphere. For example, when the external pressure is greater than the internal pressure (for example, when the atomizing matrix in the second liquid storage chamber 13 is reduced and a negative pressure occurs), at least a part of the pressure relief valve assembly 3 can be relatively moved or deformed under the action of air pressure, so that the second liquid storage chamber 13 can be connected to the outside. At this time, the external airflow can enter the second liquid storage chamber 13 to balance the internal and external pressure difference and prevent the occurrence of negative pressure in the second liquid storage chamber 13. When the internal pressure is greater than the external pressure, the pressure relief valve assembly 3 can be displaced or deformed under the action of air pressure, so that the pressure relief valve assembly 3 can be closed. Under one condition, the pressure relief valve assembly 3 can be set to a normally closed state, that is, when the pressure inside and outside the second liquid storage chamber 13 is in a balanced state, the pressure relief valve assembly 3 is in a closed state; under another condition, when the aerosol generating device 100 is tilted or inverted, at least a part of the pressure relief valve assembly 3 can undergo relative movement or deformation under the pressure of the atomizing matrix to close the pressure relief valve assembly 3, so as to prevent leakage.

[0043] It is understandable that if a normally open pressure relief hole is directly opened in the second liquid storage tank, it is very easy to cause leakage when the equipment is tilted or inverted, which will affect normal use and is also not conducive to carrying and storage.

[0044] In this embodiment, by providing a pressure relief valve assembly 3 at the bottom of the second liquid storage chamber 13, at least a portion of the pressure relief valve assembly 3 can be displaced or deformed by air pressure, thereby opening the pressure relief valve assembly 3. This allows the second liquid storage chamber 13 to communicate with the outside through the pressure relief valve assembly 3 when the internal pressure is lower than the external pressure, preventing negative pressure from affecting the replenishment of liquid to the first liquid storage chamber 12. At the same time, the pressure relief valve assembly 3 can also be closed after changes in air pressure conditions or under the pressure of the atomizing matrix, preventing leakage of the atomizing matrix and avoiding loss of the atomizing matrix. Furthermore, it is easy to carry and store, which helps to improve the user experience.

[0045] It should be noted that since the first liquid storage chamber 12 is mainly used to provide space for the atomizing core 2 to heat and atomize the atomizing matrix, its capacity is generally relatively small. The second liquid storage chamber 13, with a larger capacity, is used to store the atomizing matrix, such as the common 2ml + 10ml combination. Of course, the capacities of the first and second liquid storage chambers 12 can be adjusted according to specific circumstances.

[0046] In practical applications, the pressure relief valve assembly 3 can be located at the top of the second liquid storage chamber 13. In the initial state, there is no internal and external pressure difference or the internal and external pressure difference is very small. In the upright state, the pressure relief valve assembly 3 is only affected by gravity and can open naturally. In the inverted or overturned state, the atomizing matrix comes into contact with the pressure relief valve assembly 3 and generates a certain pressure, so that the pressure relief valve assembly 3 can close under the pressure of the atomizing matrix.

[0047] In addition, during the manufacturing process, certain tests are sometimes required. In certain specific test environments, there may be a situation where the external pressure is lower than the internal pressure of the second liquid storage tank 13. At this time, the pressure relief valve assembly 3 can also be displaced or deformed and closed under the action of the internal air pressure of the second liquid storage tank 13, so as to isolate the second liquid storage tank 13 from the outside.

[0048] In one embodiment, such as Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the pressure relief valve assembly 3 includes a top cover 31 and a pressure relief valve core 32. The top cover 31 seals the top of the second liquid storage tank 13, which adopts a through-hole structure to form a detachable assembly. The top cover 31 has a first pressure relief hole 312, and at least a portion of the pressure relief valve core 32 is located on the side of the top cover 31 facing the second liquid storage tank 13. The pressure relief valve core 32 can move relative to the pressure difference. For example, when the atomizing matrix in the second liquid storage tank 13 decreases, causing a drop in air pressure, the pressure relief valve core 32 can be displaced or deformed under the air pressure to open the first pressure relief hole 312, allowing external air to enter the second liquid storage tank 13 through the first pressure relief hole 312 to balance the internal and external air pressures. When the internal air pressure of the second liquid storage tank 13 is greater than the external air pressure, the pressure relief valve core 32 can also be displaced or deformed in the opposite direction to close the first pressure relief hole 312, thereby closing the pressure relief valve assembly 3.

[0049] The displacement mode of the pressure relief valve core 32 is not limited to... Figure 2The linear motion along the height direction shown can also be configured as a flipping motion or other motion forms, depending on the situation. The deformation forms of the pressure relief valve core 32 include, but are not limited to, flipping, contraction, expansion, and stretching. Furthermore, the top cover 31 can be a one-piece structure or a split assembly structure, for example... Figure 4 and Figure 5 In the example, the top cover 31 is formed by the mating connection of the upper cover body 314 and the first seal 315, and the space enclosed between the first seal 315 and the upper cover body 314 forms a pressure relief; moreover, the first seal 315 can also seal the connection between the top cover 31 and the first liquid storage tank 12 to prevent leakage.

[0050] In one embodiment, such as Figures 2 to 5 As shown, a pressure relief chamber 311 is formed inside the top cover 31. A valve core mounting hole 3111 and a first pressure relief hole 312 are provided on the top wall of the pressure relief chamber 311, and a second pressure relief hole 313 is provided on the bottom wall of the pressure relief chamber 311, connecting to the second liquid storage tank 13. A pressure relief valve core 32 passes through the valve core mounting hole 3111, with one end extending into the pressure relief chamber 311 and blocking the first pressure relief hole 312 and the second pressure relief hole 313 in the height direction. The pressure relief valve core 32 can be displaced or deformed under air pressure or the pressure of the atomized matrix. For example, when the air pressure inside the second liquid storage tank 13 is lower than the external air pressure, the pressure relief valve core 32 can be displaced or deformed under air pressure and open the first pressure relief hole 312 to allow the first pressure relief hole to be opened. The pressure hole 312 is connected to the second pressure relief hole 313, thereby connecting the second liquid storage chamber 13 with the external atmosphere to achieve pressure relief. When the internal air pressure of the second liquid storage chamber 13 is greater than the external air pressure, the pressure relief valve core 32 can be displaced or deformed under the action of air pressure and close the first pressure relief hole 312. Alternatively, when the atomized matrix in the second liquid storage chamber 13 comes into contact with the pressure relief valve core 32, it generates pressure on the pressure relief valve core 32, causing the pressure relief valve core 32 to be displaced or deformed and close the first pressure relief hole 312.

[0051] In one embodiment, such as Figure 2 , Figure 5 as well as Figure 6 and Figure 7As shown, a valve core mounting hole 3111 is provided on the top wall of the pressure relief chamber 311, and the valve core mounting hole 3111 extends along the first direction for mounting the pressure relief valve core 32. Correspondingly, the pressure relief valve core 32 specifically includes a connecting post 321 and a blocking part 322; the connecting post 321 passes through the valve core mounting hole 3111 along the height direction, and one end of the connecting post 321 located inside the pressure relief chamber 311 is connected to the blocking part 322. A limiting protrusion 3211 is provided on the side wall of the end of the connecting post 321 extending outside the pressure relief chamber 311. In the height direction, the projection of the blocking part 322 in the height direction covers the first pressure relief hole 312 and the second pressure relief hole. The pressure relief valve core 32 can move between a first position and a second position in the height direction; when the pressure relief valve core 32 moves downwards along the height direction, a gap is generated between the blocking part 322 and the first pressure relief hole 312, such as... Figure 8 The state shown in the diagram allows the first pressure relief hole 312 and the second pressure relief hole 313 to communicate until the limiting protrusion 3211 abuts against the top cover 31. At this point, the pressure relief valve core 32 moves to the second position, allowing external air to pass through the first pressure relief hole 312, the pressure relief chamber 311, and the second pressure relief hole 313 into the second liquid storage tank 13. When the pressure relief valve core 32 moves upwards along the height direction until the blocking part 322 abuts against the top wall of the pressure relief chamber 311, as shown in the diagram... Figure 9 As shown in the diagram, the pressure relief valve core 32 moves to the first position, and the first pressure relief hole 312 is closed by the blocking part 322. By providing the blocking part 322 and the limiting protrusion 3211, the pressure relief valve assembly 3 can be opened or closed by the movement of the pressure relief valve core 32 along the height direction, and the pressure relief valve core 32 can be limited to prevent it from disengaging from the valve core mounting hole 3111. Of course, it can be understood that the valve core mounting hole 3111 is only used to install the connecting post 321 of the pressure relief valve core 32, and its size is adapted to the size of the connecting post 321, such as... Figure 8 and Figure 9 In the example, when the pressure relief valve core 32 moves to the first position, the valve core mounting hole 3111 is also blocked by the shielding part 322 to prevent leakage from the valve core mounting hole 3111.

[0052] In one embodiment, such as Figures 6 to 9In the example, the blocking portion 322 of the pressure relief valve core 32 is an elastic structure, which can undergo elastic deformation under external force. For example, the blocking portion 322 is made of silicone material, and it can undergo flip deformation under pressure. When the external pressure is greater than the internal pressure, the pressure relief valve core 32 can not only move downward along the height direction as a whole, but the blocking portion 322 can also undergo downward flip deformation to further increase the gap between the blocking portion 322 and the first pressure relief hole 312 to promote airflow. When the internal pressure is greater than the external pressure, the blocking portion 322 can abut against the top wall of the pressure relief cavity 311 and fit tightly against the top wall of the pressure relief cavity 311 through corresponding elastic deformation.

[0053] In one embodiment, such as Figures 6 to 9 As shown, the shielding part 322 of the pressure relief valve core 32 has an arc-shaped structure, which protrudes towards the second pressure relief hole 313. This arc-shaped structure guides the airflow, allowing it to smoothly turn around the shielding part 322 and flow towards the second pressure relief hole 313, thus reducing the possibility of airflow disturbance. Furthermore, when the shielding part 322 is made of an elastic material, the arc-shaped shielding part 322 can automatically return to its original shape after elastic deformation and the removal of the external force, achieving elastic reset.

[0054] In one embodiment, such as Figures 6 to 9 As shown, the shielding part 322 is specifically an umbrella-shaped structure, and the opening side of the umbrella-shaped structure faces the valve core mounting hole 3111, so that the shielding part 322 of the umbrella-shaped structure covers the circumference of the valve core mounting hole 3111, especially when multiple first pressure relief holes 312 are opened on the top wall of the pressure relief chamber 311 (such as...). Figure 4 and Figure 5 (As shown in the example), the umbrella-shaped shielding part 322 can simultaneously cover multiple first pressure relief holes 312. Moreover, when the shielding part 322 is made of an elastic material, after the umbrella-shaped shielding part 322 deforms, it can automatically return to its initial state after the external force is removed, thus achieving automatic reset.

[0055] The umbrella-shaped structure has a circumferentially arranged sealing protrusion 3221 on the side facing the valve core mounting hole 3111. In the first direction, the first pressure relief hole 312 is located inside the sealing protrusion 3221. When the umbrella-shaped structure contacts the top wall of the pressure relief cavity 311, the sealing protrusion 3221 can fit tightly against the top wall of the pressure relief cavity 311 to achieve the sealing effect of the first pressure relief hole 312 and further reduce the possibility of leakage from the first pressure relief hole 312.

[0056] Of course, the umbrella-shaped structure described above is only a preferred implementation of the shielding part 322. In practical applications, the shielding part 322 can also adopt other structural forms, such as circular, rectangular or other shaped flat plate structures, as long as they can shield and close the first pressure relief hole 312.

[0057] In one exemplary embodiment, such as Figure 4 and Figure 5 As shown, a plurality of first pressure relief holes 312 are provided on the top wall of the pressure relief chamber 311, and the plurality of first pressure relief holes 312 are arranged at intervals along the circumference of the valve core mounting hole 3111. Preferably, the plurality of first pressure relief holes 312 are evenly arranged around the valve core mounting hole 3111. On the one hand, this can increase the air intake volume, and on the other hand, it can create a certain interval between the airflows flowing into different first pressure relief holes 312, so as to reduce the disturbance between them and improve the stability of the intake airflow.

[0058] In another exemplary embodiment, such as Figure 8 and Figure 9 As shown, in the height direction, the second pressure relief hole 313 is coaxially arranged with the valve core mounting hole 3111, that is, the connecting post 321 passing through the valve core mounting hole 3111 is also coaxially arranged with the second pressure relief hole 313. The center position of the second pressure relief hole 313 corresponds to the center position of the shielding part 322. When the main housing is tilted or inverted, after the atomized matrix in the second liquid storage tank 13 enters the pressure relief chamber 311 through the second pressure relief hole 313, it will directly contact the center position of the shielding part 322 and generate corresponding pressure on the pressure relief valve core 32, pushing the pressure relief valve core 32 to move away from the second pressure relief hole 313, thereby sealing the first pressure relief hole 312 and preventing the atomized matrix from leaking outward through the first pressure relief hole 312. Among them, since the shielding part 322 has a relatively large shielding area, it can form a blocking effect on the atomized matrix after contacting it, preventing the atomized matrix from flowing directly into the first pressure relief hole 312. It is understandable that the atomizing matrix is ​​usually a viscous substance with a relatively slow flow rate and high viscosity. After contacting the shielding part 322, it will adhere to the surface of the shielding part 322, which will further reduce the flow rate and thus further enhance the anti-leakage effect.

[0059] In one embodiment, such as Figure 8 and Figure 9As shown, the second pressure relief hole 313 adopts a stepped hole form, that is, in the height direction, the second pressure relief hole 313 includes at least two hole segments with different diameters. The smaller diameter hole segment of the stepped hole is located at the end closer to the pressure relief chamber 311. In other words, in the direction along the height towards the pressure relief chamber 311, the hole segment of the stepped hole is tapered. When the atomized matrix in the second liquid storage tank 13 flows through the second pressure relief hole 313 towards the pressure relief chamber 311, the stepped hole design reduces the flow area and slows the flow of the atomized matrix towards the pressure relief chamber 311, thereby further reducing the possibility of leakage.

[0060] Of course, in practical applications, the second pressure relief hole 313 is not limited to the stepped hole form in the above embodiments. Other hole types that can delay the flow of the atomized matrix into the pressure relief cavity 311 can also be used. For example, in a specific example, the second pressure relief hole 313 can also be a conical hole, and the diameter of the conical hole gradually decreases in the direction close to the pressure relief cavity 311 along the height direction, forming a hole type similar to a trumpet.

[0061] In one embodiment, such as Figure 2 , Figure 10 and Figure 11 For example, inside the housing 1, the first liquid storage chamber 12 and the second liquid storage chamber 13 are arranged side by side in the width direction of the housing 1 to utilize the space in the width direction. The interface structure 14 is close to the bottom end of the second liquid storage chamber 13 in the height direction to facilitate the flow of the atomizing matrix in the second liquid storage chamber 13 into the first liquid storage chamber 12. It can be understood that the atomizing matrix mainly relies on its own gravity for flow, so the closer the interface structure 14 is to the bottom end of the second liquid storage chamber 13, the better the flow of the atomizing matrix. Moreover, it can also reduce the height difference between the interface structure 14 and the bottom wall, preventing the atomizing matrix remaining on the bottom wall from failing to flow through the interface structure 14 into the first liquid storage chamber 12. For ease of connection and assembly, the interface structure 14 can be set on the side walls of the second liquid storage chamber 13 and the first liquid storage chamber 12 facing each other.

[0062] The interface structure 14 specifically includes a first replenishment hole 141 and a second replenishment hole 142. The first replenishment hole 141 is located on the side wall of the first liquid storage chamber 12, and the second replenishment hole 142 is located on the side wall of the second liquid storage chamber 13. The first replenishment hole 141 and the second replenishment hole 142 are arranged opposite to each other and connected to each other, so that the first liquid storage chamber 12 and the second liquid storage chamber 13 are connected, allowing the atomized matrix in the second liquid storage chamber 13 to flow into the first liquid storage chamber 12 through the second replenishment hole 142 and the first replenishment hole 141. Accordingly, a corresponding sealing structure can be provided at the connection between the first replenishment hole 141 and the second replenishment hole 142, for example... Figure 11 The sealing sleeve 146 is used to prevent leakage at the connection.

[0063] Furthermore, such as Figure 2 , Figure 10 and Figure 11 In the example shown, interface structure 14 also includes a movable plate 143. The movable plate 143 is positioned between the first replenishment hole 141 and the second replenishment hole 142, and is sealed to the edges of both holes. A connecting hole 1431 is provided on the movable plate 143, and the movable plate 143 can slide along its height. When the movable plate 143 slides until the connecting hole 1431 aligns with the first and second replenishment holes 141 and 142, the first and second replenishment holes 141 and 142 are connected. When the movable plate 143 slides until the connecting hole 1431 is misaligned with the first and second replenishment holes 141 and 142, the first and second replenishment holes 141 and 142 are closed. Specifically, a corresponding lever can be provided on the movable plate 143 to allow the user to manually adjust the position of the movable plate 143 during use. Alternatively, a corresponding drive mechanism can be provided to drive the movable plate 143 to slide automatically.

[0064] In a further embodiment, such as Figure 2 , Figure 10 as well as Figure 11 In the example, a limiting hole 1432 is also provided on the movable plate 143, which extends a certain distance along the height direction; correspondingly, a limiting member 145 is provided on the side wall of the first liquid storage tank 12, which extends into the limiting hole 1432 so that when the movable plate 143 slides along the height direction, the limiting member 145 can abut against the end corresponding to the limiting hole 1432 to limit the movable plate 143. Specifically, as shown in the example... Figure 11 In the example, the limiting member 145 specifically takes the form of limiting posts, and there are two of them. The two limiting posts are spaced apart in the height direction. The dimension of the limiting hole 1432 in the height direction is larger than the distance between the two limiting posts, so that the movable plate 143 can slide a certain distance in the height direction. The two limiting posts abut against the top and bottom of the limiting block, respectively, to achieve the limiting function. At the same time, the two limiting posts, which are spaced apart in the height direction, also guide the movable plate 143 and prevent it from shifting to the sides during the sliding process.

[0065] In one embodiment, such as Figure 2 , Figure 10 and Figure 11In the example, the inner bottom wall of the second liquid storage tank 13 is provided with a sloped structure 131. Along the width direction of the housing 1 away from the interface structure 14, the sloped structure 131 gradually slopes towards the top of the second liquid storage tank 13, so that the contact surface between the atomizing matrix in the second liquid storage tank 13 and the inner bottom wall forms a certain angle. After the atomizing matrix is ​​decomposed by gravity, it can generate a component force towards the interface, thereby generating a certain lateral pushing effect on the atomizing matrix, promoting the flow of the atomizing matrix towards the interface structure 14, and thus improving the replenishment speed. In practical applications, the inner bottom wall of the second liquid storage tank 13 can be provided with a combination of a portion of the sloped structure 131 and a portion of the planar structure, for example... Figure 2 The state shown in the figure is that, of course, the inner bottom wall of the second liquid storage tank 13 can also be set as an inclined structure 131, which can be set according to the actual use needs.

[0066] An embodiment of the second aspect of this application provides an aerosol generating device, such as... Figure 12 , Figure 13 and Figure 14 As shown, the aerosol generating device includes the aerosol generating apparatus 100 and the power supply device 400 as described in any of the embodiments of the first aspect. The power supply device 400 is connected to the aerosol generating apparatus 100 and assembled to form the complete aerosol generating device. The power supply device 400 is electrically connected to the atomizing core 2 of the aerosol generating apparatus 100 to supply power to the atomizing core 2, so that the atomizing core 2 can heat up when energized, thereby heating and atomizing the atomizing matrix in the first liquid storage chamber 12 to generate aerosol.

[0067] A preferred embodiment of the aerosol generating apparatus of this application is described below with reference to the accompanying drawings.

[0068] like Figures 12 to 14 As shown, the aerosol generating device includes an aerosol generating unit 100 and a power supply unit 400. The aerosol generating unit 100 and the power supply unit 400 are detachably connected, with the power supply unit 400 connected to the bottom of the aerosol generating unit 100 in the vertical direction.

[0069] like Figure 14 As shown, the power supply device 400 includes a power supply housing 410 and a power supply assembly 420; the top of the power supply housing 410 is an open structure, and the power supply assembly 420 includes a battery 421 and an electronic control board 422 that are electrically connected. The battery 421 is located inside the power supply housing 410, and the electronic control board 422 is connected to the top of the power supply housing 410 for controlling the power supply to the battery 421.

[0070] like Figure 1 , Figure 2 as well as Figure 14As shown, the aerosol generating device 100 includes a housing 1, an atomizing core 2, and a pressure relief valve assembly 3. In the height direction, the top of the housing 1 has a nozzle 11, and the bottom of the housing 1 is an open structure that plugs into the power supply housing 410. Inside the housing 1, a first liquid storage chamber 12 and a second liquid storage chamber 13 are spaced apart in the width direction. The top of the first liquid storage chamber 12 is opposite to the nozzle 11. The atomizing core 2 is disposed in the first liquid storage chamber 12 and communicates with the nozzle 11 to heat the atomized matrix within the first liquid storage chamber 12. A gas guiding chamber 15 is disposed below the first liquid storage chamber 12. An air passage hole 123 is opened in the bottom wall of the first liquid storage chamber 12. The bottom end of the atomizing core 2 is connected to the air passage hole 123, and a third sealing element 122 is provided at the connection point to allow communication between the atomizing core 2 and the gas guiding chamber 15. A liquid-absorbing element 152 is provided on the bottom wall of the air-guiding chamber 15, and an air-guiding channel 151 extending along the height direction is provided on the bottom wall of the air-guiding chamber 15. Correspondingly, the power supply housing 410 has an air inlet 411 connected to the air-guiding channel 151, so that external air can enter the atomizing core 2 through the air inlet 411, the air-guiding chamber 15, the air-guiding chamber 15, and the air channel hole 123, to mix with the aerosol generated inside the atomizing core 2, and then flow out from the nozzle 11. The second liquid storage tank 13 is connected to the first liquid storage tank 12 through the interface structure 14, so that the atomizing matrix in the second liquid storage tank 13 can flow into the first liquid storage tank 12 through the interface structure 14 to replenish the first liquid storage tank 12.

[0071] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a pressure relief valve assembly 3 is provided on the top of the second liquid storage tank 13. The pressure relief valve assembly 3 includes a top cover 31 and a pressure relief valve core 32. The top cover 31 includes an upper cover body 314, a first seal 315, and a second seal 121. Both the first liquid storage tank 12 and the second liquid storage tank 13 are open at the top. The upper cover body 314 covers the top of the first liquid storage tank 12 and the second liquid storage tank 13. The first seal 315 is provided at the connection between the upper cover body 314 and the second liquid storage tank 13, and the second seal 121 is provided at the connection between the upper cover body 314 and the first liquid storage tank 12. Both the first seal 315 and the second seal 121 are made of silicone to achieve a sealed assembly. The upper cover 314 and the second sealing member 121 have a through atomizing air passage 3141, so that the first liquid storage chamber 12 can be connected to the nozzle 11 through the atomizing air passage 3141; a pressure relief chamber 311 is formed between the upper cover 314 and the first sealing member 315. The top wall of the pressure relief chamber 311 has a first pressure relief hole 312 and a valve core mounting hole 3111, and the bottom wall of the pressure relief chamber 311 has a second pressure relief hole 313. The second pressure relief hole 313 is coaxially arranged with the valve core mounting hole 3111 and communicates with the interior of the first liquid storage chamber 12. There are multiple first pressure relief holes 312, and the multiple first pressure relief holes 312 are evenly arranged along the circumference of the valve core mounting hole 3111. Figure 8 and Figure 9 As shown, the second pressure relief hole 313 is in the form of a stepped hole, wherein the smaller diameter section of the stepped hole is located at one end near the pressure relief cavity 311.

[0072] Accordingly, such as Figure 2 , Figure 5 as well as Figure 6 and Figure 7 As shown, a portion of the pressure relief valve core 32 is disposed within the pressure relief chamber 311. The pressure relief valve core 32 specifically includes a connecting post 321 and a shielding portion 322. The connecting post 321 passes through the valve core mounting hole 3111 along the height direction. One end of the connecting post 321 located within the pressure relief chamber 311 is connected to the shielding portion 322. A limiting protrusion 3211 is present on the side wall of the end of the connecting post 321 extending outside the pressure relief chamber 311. The shielding portion 322 is specifically an umbrella-shaped structure, with the opening side of the umbrella-shaped structure facing the valve core mounting hole 3111. A sealing protrusion 3221 is circumferentially arranged at the edge of the umbrella-shaped structure facing the valve core mounting hole 3111. In the height direction, the projection of the shielding portion 322 covers all the first pressure relief holes 312. The pressure relief valve core 32 is specifically an elastic structure made of silicone material. When the pressure relief valve core 32 moves downwards along the height direction, a gap is created between the shielding portion 322 and the first pressure relief holes 312. Figure 8The state shown in the diagram allows the first pressure relief hole 312 to communicate with the second pressure relief hole 313 until the limiting protrusion 3211 abuts against the top cover 31. At this point, the blocking part 322 moves to its limit position and remains stable, allowing external air to pass through the first pressure relief hole 312, the pressure relief chamber 311, and the second pressure relief hole 313 into the second liquid storage tank 13. When the pressure relief valve core 32 moves upwards along the height direction until the blocking part 322 abuts against the top wall of the pressure relief chamber 311, the sealing protrusion 3221 fits tightly against the top wall of the pressure relief chamber 311. Figure 9 As shown in the diagram, the plurality of first pressure relief holes 312 are located inside the sealing protrusion 3221, so that the plurality of first pressure relief holes 312 are closed by the shielding portion 322.

[0073] like Figure 2 , Figure 10 and Figure 11 For example, inside the housing 1, the first liquid storage chamber 12 and the second liquid storage chamber 13 are spaced apart in the width direction of the housing 1 to utilize the space in the width direction for arrangement. An interface structure 14 is provided on the sidewalls of the second liquid storage chamber 13 and the first liquid storage chamber 12 facing each other to facilitate connection and assembly; the interface structure 14 is located near the bottom end of the second liquid storage chamber 13 in the height direction to facilitate the flow of the atomizing matrix in the second liquid storage chamber 13 into the first liquid storage chamber 12. Figure 2 , Figure 10 and Figure 11 In the example, the inner bottom wall of the second liquid storage chamber 13 is provided with a slope structure 131, and in the direction away from the interface structure 14 along the width direction of the housing 1, the slope structure 131 gradually tilts towards the top of the second liquid storage chamber 13 to generate a thrust toward the interface structure 14 on the atomizing matrix, thereby promoting the flow of the atomizing matrix toward the interface structure 14.

[0074] Specifically, the interface structure 14 includes a first replenishment hole 141, a second replenishment hole 142, and a movable plate 143; the first replenishment hole 141 is located on the side wall of the first liquid storage tank 12, and the second replenishment hole 142 is located on the side wall of the second liquid storage tank 13; the first replenishment hole 141 and the second replenishment hole 142 are arranged opposite to each other and connected to each other, and the movable plate 143 is arranged along the height direction between the first replenishment hole 141 and the second replenishment hole 142, and is respectively connected to the edge of the first replenishment hole 141 and the edge of the second replenishment hole 142. The edge of 42 is sealed; the movable plate 143 is provided with a connecting hole 1431, and the movable plate 143 can slide along the height direction. When the movable plate 143 slides to the point where the connecting hole 1431 is aligned with the first replenishing hole 141 and the second replenishing hole 142, the first replenishing hole 141 and the second replenishing hole 142 are connected. When the movable plate 143 slides to the point where the connecting hole 1431 is misaligned with the first replenishing hole 141 and the second replenishing hole 142, the first replenishing hole 141 and the second replenishing hole 142 are closed. A limiting hole 1432 is also provided on the movable plate 143 above the connecting hole 1431. The limiting hole 1432 extends a certain distance along the height direction. Correspondingly, two limiting members 145 are provided on the side wall of the first liquid storage tank 12. The limiting members 145 are in the form of limiting posts. The two limiting members 145 are spaced apart in the height direction and extend into the limiting hole 1432. When the movable plate 143 slides along the height direction, the limiting member 145 can abut against the end of the limiting hole 1432 to limit the movable plate 143 and guide the movable plate 143.

[0075] During use, when the atomizing matrix in the second liquid storage chamber 13 decreases and the external pressure exceeds the internal pressure of the second liquid storage chamber 13, the pressure relief valve core 32 of the pressure relief valve assembly 3 moves towards the inside of the second liquid storage chamber 13 under the action of the pressure difference, so that a gap is created between the shielding part 322 and the first pressure relief hole 312. The first pressure relief hole 312 and the second pressure relief hole 313 are connected, so that the second liquid storage chamber 13 is connected to the outside. At this time, the external airflow can enter the second liquid storage chamber 13 to balance the internal and external pressure difference. To prevent negative pressure from occurring in the second liquid storage chamber 13; when the aerosol generating device 100 is tilted or inverted, the atomized matrix in the second liquid storage chamber 13 flows into the pressure relief chamber 311 through the second pressure relief hole 313 and contacts the shielding part 322 of the pressure relief valve core 32, generating pressure on the pressure relief valve core 32, causing the pressure relief valve core 32 to move away from the second liquid storage chamber 13 and seal the first pressure relief hole 312, so as to isolate the second liquid storage chamber 13 from the outside, thereby preventing leakage.

[0076] Furthermore, the aerosol generating device in this embodiment includes all the beneficial effects of the aerosol generating device 100 in any of the embodiments of the first aspect described above, and will not be repeated here.

[0077] The above examples illustrate this application only to aid understanding and are not intended to limit its scope. Those skilled in the art to which this application pertains can make various simple deductions, modifications, or substitutions based on the ideas presented.

Claims

1. An aerosol generating device, characterized in that, include: The housing has a suction nozzle, and the housing contains a first liquid storage chamber and a second liquid storage chamber, which are connected to the first liquid storage chamber via an interface structure. The atomizing core is disposed in the first liquid storage chamber and is connected to the nozzle. The atomizing core is used to heat the atomizing matrix to generate an aerosol. And a pressure relief valve assembly, which is located in the second liquid storage tank and is configured to be able to move or deform under the action of air pressure inside the second liquid storage tank, so that the pressure relief valve assembly can be connected to the outside atmosphere.

2. The aerosol generating apparatus according to claim 1, characterized in that, The pressure relief valve assembly includes: A top cover, which is placed over the top of the second liquid storage tank, and has a first pressure relief hole; A pressure relief valve core, at least a portion of which is located on the side of the top cover facing the second liquid storage chamber, the pressure relief valve core being able to displace or deform under air pressure and open the first pressure relief hole.

3. The aerosol generating apparatus according to claim 2, characterized in that, The top cover has a pressure relief chamber. The top wall of the pressure relief chamber is provided with a valve core mounting hole and the first pressure relief hole. The pressure relief valve core passes through the valve core mounting hole, and one end of the pressure relief valve core is located in the pressure relief chamber. The pressure relief chamber has a second pressure relief hole on its bottom wall that connects to the second liquid storage tank. In the height direction, both the first pressure relief hole and the second pressure relief hole are located within the shielding range of the pressure relief valve core. The pressure relief valve core can be displaced or deformed under air pressure and connect the first pressure relief hole and the second pressure relief hole. The pressure relief valve core can also be displaced or deformed under air pressure or the pressure of the atomized matrix and close the first pressure relief hole.

4. The aerosol generating apparatus according to claim 3, characterized in that, A valve core mounting hole extending along the height direction is provided on the top wall of the pressure relief chamber; The pressure relief valve core includes: A connecting post is inserted into the valve core mounting hole. The side wall of the end of the connecting post that extends out of the pressure relief chamber has a limiting protrusion that can abut against the top cover in the height direction. And a shielding part, which is located in the pressure relief chamber and is connected to one end of the connecting post that extends into the pressure relief chamber. The shielding part covers the first pressure relief hole and the second pressure relief hole in the height direction. The pressure relief valve core is movable between a first position and a second position in the height direction. In the first position, the blocking part abuts against the top wall of the pressure relief chamber and closes the first pressure relief hole. In the second position, the blocking part separates from the top wall of the pressure relief chamber and connects the first pressure relief hole with the second pressure relief hole.

5. The aerosol generating apparatus according to claim 4, characterized in that, The shielding portion is an elastic structure and is capable of elastic deformation; and / or, The shielding part has a convex arc-shaped structure on the side facing the second pressure relief hole.

6. The aerosol generating apparatus according to claim 4, characterized in that, The shielding part is an umbrella-shaped structure, with the opening side of the umbrella-shaped structure facing the valve core mounting hole, and a sealing protrusion at the edge of the umbrella-shaped structure facing the valve core mounting hole, the sealing protrusion being arranged circumferentially along the umbrella-shaped structure; In the vertical direction, the first pressure relief hole is located inside the sealing protrusion.

7. The aerosol generating apparatus according to claim 3, characterized in that, The number of the first pressure relief holes is multiple, and the first pressure relief holes are spaced apart circumferentially along the valve core mounting holes; and / or, The second pressure relief hole and the valve core mounting hole are coaxially arranged in the height direction.

8. The aerosol generating apparatus according to claim 3, characterized in that, The second pressure relief orifice is a tapered orifice, and the diameter of the tapered orifice gradually decreases along the height direction towards the pressure relief cavity; and / or, The second pressure relief hole is a stepped hole, and in the height direction, the smaller diameter section of the stepped hole is located at one end close to the pressure relief cavity.

9. The aerosol generating apparatus according to claim 1, characterized in that, The first liquid storage tank and the second liquid storage tank are arranged side by side in the width direction; The interface structure is located near the bottom of the second liquid storage tank in the height direction. The interface structure includes a first liquid replenishment hole and a second liquid replenishment hole that are connected to each other. The first liquid replenishment hole is located on the side wall of the first liquid storage tank, and the second liquid replenishment hole is located on the side wall of the second liquid storage tank.

10. The aerosol generating apparatus according to claim 9, characterized in that, The interface structure also includes a movable plate, which is disposed between the first replenishment hole and the second replenishment hole and is sealed to the edge of the first replenishment hole and the edge of the second replenishment hole. The movable plate has a connecting hole, which can slide along the height direction and connect the connecting hole with the first replenishment hole and the second replenishment hole, or close the first replenishment hole and the second replenishment hole.

11. The aerosol generating apparatus according to claim 10, characterized in that, The movable plate is also provided with a limiting hole, which extends along the height direction; The first or second liquid storage tank has a limiting member on its side wall. The limiting member extends into the limiting hole and can abut against either end of the limiting hole in the height direction to limit the sliding of the movable plate in the height direction.

12. The aerosol generating apparatus according to claim 9, characterized in that, The inner bottom wall of the second liquid storage tank has a sloping structure, which gradually slopes towards the top of the second liquid storage tank in a direction away from the interface structure along the width direction.

13. An aerosol generating device, characterized in that, include: The aerosol generating apparatus as described in any one of claims 1 to 12; The device includes a power supply unit connected to the aerosol generating device and electrically connected to the atomizing core to supply power to the atomizing core.

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