Aerosol-generating device

Abstract

The utility model relates to the technical field of aerosol generating equipment, in particular to an aerosol generating device which comprises a shell, a heating module, an air flow detection module and a control module are arranged in the shell; the heating module is provided with a heating cavity and an air inlet channel, and the heating cavity is used for containing and heating an aerosol substrate inserted into the heating cavity; the gas flow detection module is provided with a gas detection inlet and a gas detection outlet, the gas detection outlet is communicated with the gas inlet channel, and the gas flow detection module is used for detecting the flow rate and / or the flow velocity of gas flow passing through the gas flow detection module; and the control module is electrically connected with the airflow detection module. And due to the arrangement of the airflow detection module, conditions can be created for realizing richer functions of the aerosol generating device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aerosol generating equipment, in particular to an aerosol generating device. BACKGROUND

[0002] The aerosol generating device is a device for generating aerosol for a user to smoke by heating an aerosol substrate, and generally comprises a housing, a heating module and a power supply module. The heating module and the power supply module are installed in the housing. The heating module has a heating cavity for accommodating and heating a substrate section of the aerosol substrate. The heating module can heat under the action of the voltage supplied by the power supply module to make the aerosol substrate generate aerosol.

[0003] Generally, the user of the aerosol generating device mainly judges the amount of suction according to his own feeling, which is not convenient for the user to use and manage to meet the use requirements such as monitoring the use, timely supplementing the aerosol substrate and the like. CONTENT OF THE UTILITY MODEL

[0004] The present application provides an aerosol generating device, which can create conditions for realizing more abundant functions.

[0005] The aerosol generating device comprises:

[0006] The housing is internally provided with a heating module, an airflow detection module and a control module;

[0007] The heating module has a heating cavity and an air inlet channel. The heating cavity is used for accommodating and heating the aerosol substrate inserted into the heating cavity.

[0008] The airflow detection module has a gas detection inlet and a gas detection outlet. The gas detection outlet is in communication with the air inlet channel. The airflow detection module is used for detecting the flow rate and / or flow rate of the airflow passing through the airflow detection module.

[0009] The control module is electrically connected with the airflow detection module.

[0010] In one embodiment, the aerosol generating device has a first direction and a second direction perpendicular to each other. The first direction is arranged along the direction in which the heating cavity is inserted with the aerosol substrate. The airflow detection module and the heating module are arranged side by side along the second direction.

[0011] In one embodiment, the airflow detection module is arranged between the heating module and the control module.

[0012] In one embodiment, a wire slot is arranged between the airflow detection module and the shell wall of the housing. The wire slot is used for the lead wire of the heating module to pass through.

[0013] In one embodiment, the heat generating module has an air inlet end in the first direction, the air inlet channel is arranged at the air inlet end of the heat generating module, the air flow detection module has an air outlet end in the first direction, the gas detection outlet is arranged at the air outlet end of the air flow detection module, the air outlet end of the air flow detection module protrudes from the air inlet end of the heat generating module in the first direction, the gas detection outlet is arranged at the side of the air flow detection module close to the heat generating module, the air inlet channel and the gas detection outlet are communicated through a connecting hose, and the connecting hose is L-shaped.

[0014] In one embodiment, the shell is provided with an air inlet, and the gas detection inlet is in plug-in communication with the air inlet.

[0015] In one embodiment, the shell is provided with a plug-in pipe corresponding to the air inlet on the inner shell wall, and the plug-in pipe is used for plug-in cooperation with the gas detection inlet to communicate the air inlet and the gas detection inlet.

[0016] In one embodiment, the shell has a substrate insertion port for inserting at least part of the aerosol substrate into the heating cavity, and the substrate insertion port and the air inlet are arranged side by side on the same side of the shell.

[0017] In one embodiment, the shell further comprises a display module, and the display module is electrically connected to the control module.

[0018] In one embodiment, the display module comprises a display screen, and the shell is provided with a display window corresponding to the display screen, and the display window is used for displaying information on the display screen.

[0019] According to the aerosol generating device of the above-mentioned embodiments, by arranging the air flow detection module and the control module and communicating the air inlet channel and the gas detection outlet, the suction action of the user when using the device can cause the flow rate and / or flow of the air flow passing through the air flow detection module to change, and the air flow rate and / or flow can be detected by the air flow detection module, so as to realize the monitoring of the use of the aerosol generating device and create conditions for realizing more abundant functions of the aerosol generating device.

[0020] For example, in a specific embodiment, by presetting a judgment logic in the control module, the control module can judge whether the user has performed a suction action according to the change of the air flow rate and / or flow detected by the air flow detection module, so as to realize the measurement of the number of suction puffs of the user, so that the user can manage the use according to the number of suction puffs. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 FIG. 1 is a structural schematic diagram of an aerosol generating device according to one embodiment;

[0022] Figure 2 A cross-sectional view of an aerosol-generating device according to an embodiment;

[0023] Figure 3 An exploded structural schematic view of an aerosol-generating device according to an embodiment.

[0024] In the drawings: 100, housing; 110, main housing; 120, cover; 121, insertion tube; 122, connection ring; 130, air inlet; 140, substrate insertion port; 150, display window;

[0025] 200, heating module; 201, connection seat; 202, heating tube; 203, base; 204, lead wire; 210, heating cavity; 220, air inlet passage;

[0026] 300, air flow detection module; 310, gas detection inlet; 320, gas detection outlet; 321, connection hose; 330, wire slot; 331, protrusion;

[0027] 400, control module;

[0028] 500, power supply module;

[0029] 600, display screen;

[0030] 700, aerosol substrate. DETAILED DESCRIPTION

[0031] The present application will be further described by the following embodiments in conjunction with the drawings. In the different embodiments, similar elements are denoted by similar reference numerals. In the following embodiments, many details are described in order to provide a better understanding of the present application. However, one skilled in the art can easily recognize that some of the features can be omitted in different cases, or can be replaced by other elements, materials, methods. In some cases, some operations related to the present application are not shown or described in the specification in order to avoid the core of the present application being overwhelmed by too much description, and it is not necessary to describe these operations in detail for one skilled in the art based on the description in the specification and general technical knowledge in the art.

[0032] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments. At the same time, the steps or actions in the method description can also be sequentially adjusted or adjusted in a manner that is obvious to one skilled in the art. Therefore, the various sequences in the specification and drawings are only for the purpose of clearly describing a certain embodiment, and do not mean that the sequence is necessary, unless otherwise stated that a certain sequence must be followed.

[0033] The numbers of components in this document, such as "first", "second", etc., are used only to distinguish the described objects, and do not have any sequential or technical meaning. The "connection" and "coupling" in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0034] In the embodiments of the present application, the airflow detection module 300 and the control module 400 are arranged, and the gas detection outlet 320 of the airflow detection module 300 and the air inlet channel 220 of the heating module 200 are communicated, so that the airflow detection module 300 can detect the airflow flow rate and flow change caused by the user's puffing action, to realize the monitoring of the use of the aerosol generating device, and to create conditions for the aerosol generating device to realize more rich functions.

[0035] In one embodiment, an aerosol generating device is disclosed, please refer to Figures 1-3 The aerosol generating device includes a housing 100, a heating module 200, an airflow detection module 300, a control module 400, and other functional components as needed.

[0036] To more clearly and specifically describe the aerosol generating device, two mutually perpendicular directions are defined herein based on the structure of the aerosol generating device, namely: a first direction and a second direction; for example, the first direction refers to the up-down direction of the aerosol generating device shown in Figure 1 , and the second direction refers to the left-right direction of the aerosol generating device shown in Figure 1 .

[0037] Please refer to Figure 1 The housing 100 can be understood as a collection of related components that constitute the basic structural framework and outer contour form of the aerosol generating device, and the aerosol generating device can be held, moved, operated and used by means of the housing 100.

[0038] Please refer to Figure 2 The housing 100 has a mounting cavity inside, and the heating module 200, the airflow detection module 300 and the control module 400 are arranged in the mounting cavity. For example, please refer to Figure 2 and Figure 3 The housing 100 can include a main shell 110 and a shell cover 120, and the main shell 110 can be provided with an opening at one end along the first direction to form a mounting port, and the shell cover 120 is arranged at the mounting port, and the shell cover 120 and the main shell 110 form a mounting cavity. The functional components such as the heating module 200, the airflow detection module 300 and the control module 400 can be installed into the mounting cavity through the mounting port. Those skilled in the art should know that the structure and arrangement of the housing 100 are not limited, and any functional components required by the aerosol generating device can be installed.

[0039] Please refer to Figure 2 The heating module 200 is used for heating the aerosol substrate 700 to generate aerosol, and has a heating cavity 210 and an air inlet channel 220. The heating cavity 210 is used for accommodating and heating the aerosol substrate 700 inserted into the heating cavity 210.

[0040] Those skilled in the art can understand that the structure of the heating module 200 should be adapted to the type of the aerosol substrate 700 heated. For example, the aerosol substrate 700 can be a rod or column structure capable of being at least partially inserted into the heating cavity 210, and the heating module 200 can be a cup structure with an open end, the opening can serve as an insertion port of the aerosol substrate 700 into the heating cavity 210, and the substrate insertion port 140 can be provided on the outer shell 100 corresponding to the opening of the heating module 200, so that at least part of the aerosol substrate 700 is inserted into the heating cavity 210. In addition, the heating form of the heating module 200 is not limited, for example, it can be a resistance element such as a heating tube 202, a heating wire, etc. in the form of electric heating, or it can be in the form of electromagnetic induction heating by providing a magnetic field generator and an induction heating element, or it can be in the form of microwave heating by microwave radiation.

[0041] Exemplarily, please refer to Figure 2 The heating module 200 can include a connecting seat 201, a heating tube 202, and a base 203, the connecting seat 201 and the base 203 are each fixed to one end of the heating tube 202, the heating tube 202 is connected with a lead wire 204, and the heating tube 202 can be heated by being powered through the lead wire 204, the inner cavity of the heating tube 202 serves as the heating cavity 210, the heating cavity 210 can be inserted into the aerosol substrate 700 along the first direction, the connecting seat 201 is in the form of a ring structure so that the aerosol substrate 700 can be inserted into the heating cavity 210 through the connecting seat 201, and the air inlet channel 220 is provided on the base 203 in the axial direction of the heating tube 202. The substrate insertion port 140 is provided on the shell cover 120, the connecting ring 122 is integrally provided on the inner shell wall of the shell cover 120 corresponding to the substrate insertion port 140, and the connecting seat 201 is inserted and fixed in the connecting ring 122 away from the heating tube 202, so that the heating module 200 is fixed in the mounting cavity of the outer shell 100.

[0042] The airflow detection module 300 can be understood as a flowmeter with flow rate detection function or a flowmeter with flow detection function, or as a flowmeter with both flow rate detection function and flow detection function. In different embodiments, the type of the airflow detection module 300 is not limited, for example, it can be a turbine flowmeter, a float flowmeter, an ultrasonic flowmeter, or a differential pressure flowmeter, etc.

[0043] Please refer to Figure 2The air flow detection module 300 has a gas detection inlet 310 and a gas detection outlet 320, the gas detection outlet 320 is communicated with the air inlet channel 220, the air flow detection module 300 is used to detect the flow and / or flow rate of the air flow passing through the air flow detection module 300; the control module 400 is electrically connected with the air flow detection module 300.

[0044] When the user uses, with the occurrence of the puffing action, the gas in the air inlet channel 220 flows to the heating cavity 210, so that the air inlet channel 220 generates a negative pressure, the gas in the air flow detection module 300 is affected by the negative pressure of the air inlet channel 220 and flows to the air inlet channel 220, the air flow detection module 300 detects the flow rate and / or flow of the gas flow, and forms an electrical signal feedback to the control module 400, to create conditions for the aerosol generating device to realize more abundant functions.

[0045] For example, the control module 400 can preset a judgment logic, so that the control module 400 can judge whether the user has performed a puffing action according to the change of the flow rate and / or flow of the air flow detected by the air flow detection module 300, thereby realizing the function of counting the number of puffs of the user, so that the user can manage the use according to the number of puffs.

[0046] The skilled in the art should know that the gas detection inlet 310 of the air flow detection module 300 can be used for air inflow. Therefore, in some embodiments, please refer to Figure 1 and Figure 2 The air inlet 130 can be arranged on the shell 100, and the gas detection inlet 310 is communicated with the air inlet 130, so that when the user performs the puffing action, the gas detection inlet 310 directly sucks the air outside the shell 100. Among them, the gas detection inlet 310 and the air inlet 130 can be communicated by inserting, bonding or other ways. In some other embodiments, the air inlet 130 on the shell 100 can be omitted, and the gas detection inlet 310 is directly exposed to the mounting cavity of the shell 100, when the user performs the puffing action, the gas detection inlet 310 can suck the air entering the mounting cavity from the assembly gap or other structures such as holes, grooves of the shell 100 to realize triggering.

[0047] In one embodiment, please refer to Figure 2 and Figure 3The inner shell wall of the shell 100 is provided with a plug-in pipe 121 corresponding to the air inlet 130, and the plug-in pipe 121 is used for plug-in cooperation with the gas detection inlet 310 to make the air inlet 130 and the gas detection inlet 310 communicate. Exemplarily, the shell cover 120 is provided with a through air inlet 130, and the inner wall of the shell cover 120 is integrally provided with a plug-in pipe 121 corresponding to the air inlet 130. The inner diameter of the plug-in pipe 121 can be matched with the outer diameter of the gas detection inlet 310, and the gas detection inlet 310 is inserted and fixed in the plug-in pipe 121 to make the gas detection inlet 310 and the air inlet 130 communicate. In some embodiments, at least one of the gas detection inlet 310 and the plug-in pipe 121 can be made of elastic materials such as silica gel and rubber to improve the stability of plug-in cooperation.

[0048] In addition, in some embodiments, referring to Figure 2 The air inlet 130 and the substrate socket 140 can be arranged side by side on the same side of the shell 100, for example, the air inlet 130 and the substrate socket 140 can be arranged side by side on the shell cover 120 along the second direction, so that the air inlet 130 is not easily blocked when the aerosol generating device is used.

[0049] In one embodiment, referring to Figure 2 The airflow detection module 300 and the heating module 200 can be arranged side by side along the second direction to improve the structural compactness. Exemplarily, the heating module 200 and the airflow detection module 300 are both arranged along the first direction, and the heating module 200 is located on one side of the airflow detection module 300 along the second direction, so that the heating cavity 210 is also arranged along the first direction, and the aerosol substrate 700 can be inserted into the heating cavity 210 along the first direction.

[0050] In a further embodiment, referring to Figure 2 The heating module 200 has an air inlet end along the first direction, and the air inlet channel 220 is arranged at the air inlet end of the heating module 200. The airflow detection module 300 has an air outlet end along the first direction, and the gas detection outlet 320 is arranged at the air outlet end of the airflow detection module 300. The air outlet end of the airflow detection module 300 protrudes from the air inlet end of the heating module 200 along the first direction, and the gas detection outlet 320 is arranged on the side of the airflow detection module 300 close to the heating module 200. The air inlet channel 220 and the gas detection outlet 320 communicate through a connecting hose 321, and the connecting hose 321 is L-shaped. By arranging the heating module 200 and the airflow detection module 300 in this way, the air inlet end of the heating module 200 and the air outlet end of the airflow detection module 300 are close to each other, which facilitates communication through the connecting hose 321. The L-shaped connecting hose 321 also helps to reduce the resistance to suction.

[0051] Exemplarily, referring to Figure 2The air flow detection module 300 and the heat generation module 200 are arranged in the mounting cavity of the shell 100 along the first direction, the air outlet end of the air flow detection module 300 abuts against the inner wall of the main shell 110 on the side away from the shell cover 120, and the air inlet end of the heat generation module 200 is arranged in a spaced manner with the inner wall of the main shell 110 on the side away from the shell cover 120, so that the air flow detection module 300, the heat generation module 200 and the inner wall of the main shell 110 form a vacant area, the gas detection outlet 320 is arranged in the vacant area, one end of the connecting hose 321 is sleeved on the gas detection outlet 320, and the other end is sleeved on the air inlet channel 220, so that the gas detection outlet 320 and the air inlet channel 220 are in sealed communication.

[0052] In an embodiment, referring to Figure 2 A power supply module 500 can be arranged in the shell 100, which can be understood as an element capable of providing voltage, such as an electric core, a battery or a battery pack, to supply power to the air flow detection module 300, the heat generation module 200 and the control module 400. In order to reduce the influence of heat generated by the heat generation module 200 on the power supply module 500 during use, the power supply module 500 can be arranged on the side of the air flow detection module 300 away from the heat generation module 200. In order to enable the lead 204 of the heat generation module 200 to pass through the arrangement area of the air flow detection module 300 to be connected to the power supply module 500, in some embodiments, referring to Figure 3 A wire slot 330 is arranged between the air flow detection module 300 and the shell wall of the shell 100, and the wire slot 330 is used for the lead 204 of the heat generation module 200 to pass through. For example, the air outlet end of the air flow detection module 300 can be provided with a plurality of ribs 331, each rib 331 is arranged along the second direction, and the rib 331 on the side away from the air flow detection module 300 abuts against the shell wall of the shell 100, and the wire slot 330 for the lead 204 of the heat generation module 200 to pass through can be formed between the ribs 331.

[0053] In some embodiments, referring to Figure 2 The air flow detection module 300 can be arranged between the heat generation module 200 and the control module 400, so that the air flow detection module 300 separates the heat generation module 200 and the control module 400, which helps to reduce the influence of heat generated by the heat generation module 200 on the operation of the control module 400. In other embodiments, the control module 400 can also be arranged on one side of the air flow detection module 300 along the first direction or other positions. For example, the control module 400 can be a control circuit board, which can be arranged on the side of the power supply module 500 away from the air flow detection module 300, and the control module 400 can also be electrically connected to the heat generation module 200 to control the heat generation power, heat generation time and the like of the heat generation module 200.

[0054] In some embodiments, referring to Figure 2The housing 100 further has a display module arranged therein, and the display module is electrically connected to the control module 400. The display module can be used to present state information and usage of the aerosol generating device, for example, to show the number of puffs of the user and the remaining power of the power supply module 500.

[0055] In some embodiments, referring to Figure 2 The display module can include a display screen 600, and the housing 100 has a display window 150 arranged corresponding to the display screen 600. The display window 150 can be a hollow window or a transparent / semi-transparent window, for the display screen 600 to show information. The housing 100 can also be made of transparent or semi-transparent material, so that the user can observe the display screen 600 and the usage of the aerosol generating device.

[0056] In some other embodiments, the display module can also be used to communicate with the display terminal of the user's mobile phone, computer, etc., to show the state information and usage of the aerosol generating device through the display terminal of the user.

[0057] The above application of specific examples to illustrate the present application, is only used to help understand the present application, and is not used to limit the present application. For those skilled in the art to which the present application belongs, according to the idea of the present application, a number of simple deductions, deformations or substitutions can be made.

Claims

1. An aerosol-generating device, characterised in that, The application relates to an aerosol generating device. The aerosol generating device comprises: a housing, wherein a heating module, an airflow detection module and a control module are arranged in the housing; the heating module has a heating cavity and an air inlet channel, the heating cavity is used for accommodating and heating aerosol substrate inserted into the heating cavity; the airflow detection module has a gas detection inlet and a gas detection outlet, the gas detection outlet is communicated with the air inlet channel, and the airflow detection module is used for detecting the flow and / or flow rate of airflow passing through the airflow detection module; 2. The aerosol-generating device of claim 1, wherein, the control module is electrically connected with the airflow detection module. 3.The aerosol-generating device of claim 2, wherein, The aerosol generating device has a first direction and a second direction perpendicular to each other, the first direction is arranged along the direction in which the heating cavity is provided for the aerosol substrate to be inserted, and the airflow detection module and the heating module are arranged side by side along the second direction.

4. The aerosol-generating device of claim 3, wherein, The airflow detection module is arranged between the heating module and the control module. 5.The aerosol generating device of claim 2, wherein, A wire slot is arranged between the airflow detection module and the shell wall of the housing, and the wire slot is used for passing the lead wire of the heating module.

6. The aerosol-generating device of any one of claims 1-5, wherein, The heating module has an air inlet end along the first direction, the air inlet channel is arranged at the air inlet end of the heating module, the airflow detection module has an air outlet end along the first direction, the gas detection outlet is arranged at the air outlet end of the airflow detection module, the air outlet end of the airflow detection module protrudes from the air inlet end of the heating module along the first direction, the gas detection outlet is arranged at the side of the airflow detection module close to the heating module, the air inlet channel and the gas detection outlet are communicated through a connecting hose, and the connecting hose is bent in an L shape.

7. The aerosol-generating device of claim 6, wherein, The housing is provided with an air inlet, and the gas detection inlet is in plug-in communication with the air inlet.

8. The aerosol-generating device of claim 6, wherein, A plug-in pipe is arranged on the inner shell wall of the housing and corresponds to the air inlet, the plug-in pipe is used for plug-in cooperation with the gas detection inlet, so that the air inlet and the gas detection inlet are communicated.

9. The aerosol-generating device of any one of claims 1-5, wherein, The housing has a substrate insertion port, the substrate insertion port is used for inserting at least part of the aerosol substrate into the heating cavity, and the substrate insertion port and the air inlet are arranged side by side on the same side of the housing. 10.The aerosol-generating device of claim 9, wherein, The housing is further provided with a display module, and the display module is electrically connected with the control module. The display module comprises a display screen, and a display window is arranged on the housing and corresponds to the display screen, the display window is used for displaying information of the display screen.

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