Aerosol generating device

Abstract

The utility model provides an aerosol generating device, and belongs to the technical field of aerosol generation, the aerosol generating device comprises a heating assembly, an induction assembly and a control circuit board, the heating assembly forms a containing cavity used for containing an aerosol matrix, and a heating base is arranged at the bottom of the containing cavity; the sensing assembly comprises a sensing shell, a separator and a sensor, and the sensing shell is provided with a first cavity and a second cavity; the heating base is provided with a first cavity and a second cavity, the first cavity is communicated with a containing cavity located in the heating base, the induction shell is provided with a mounting cavity, the mounting cavity is communicated with the second cavity, and the sensor is arranged in the mounting cavity; and the control circuit board controls the aerosol production device to start or stop working according to the airflow pressure change detected by the sensor. When the aerosol substrate is inserted into or withdrawn from the accommodating cavity, the airflow pressure in the second cavity is changed, and self-starting is realized according to the airflow pressure change, so that the operation can be simplified, and the use experience of a user is improved.

Description

Technical Field

[0001] This application relates to the technical field of aerosol generation, and more specifically, to an aerosol generation device. Background Art

[0002] Currently, for aerosol generation devices on the market that are used to heat an aerosol substrate to generate an aerosol for user use, they usually start heating the aerosol substrate by pressing a button after inserting the aerosol substrate, and also turn off by pressing a button after stopping heating. The manual operation by pressing a button is too cumbersome, and the user experience is poor. Utility Model Content

[0003] This application provides an aerosol generation device that can automatically heat or stop heating the aerosol substrate, thereby enhancing the user experience.

[0004] This application provides an aerosol generation device, including:

[0005] A heating component, the heating component forms a receiving cavity for receiving the aerosol substrate, a heating base is provided at the bottom of the receiving cavity, and the heating base forms at least a part of the receiving cavity. When the aerosol substrate is inserted into the receiving cavity, at least a part of the aerosol substrate is placed in the heating base and is in interference fit with the heating base; and

[0006] An induction component, the induction component includes an induction housing, a partition and a sensor. The induction housing is arranged on one side of the heating base. The induction housing is provided with a first cavity and a second cavity. The partition is arranged between the first cavity and the second cavity to isolate the first cavity and the second cavity; the first cavity is communicated with a part of the receiving cavity located on the heating base. The induction housing is provided with a mounting cavity, and the mounting cavity is communicated with the second cavity. The sensor is arranged in the mounting cavity; the sensor is configured to detect the change in the air flow pressure in the second cavity when the aerosol substrate is inserted into or withdrawn from the receiving cavity; and

[0007] A control circuit board, and the control circuit board controls the aerosol production device to start working or stop working according to the change in the air flow pressure detected by the sensor.

[0008] In an embodiment, the partition is made of an elastic material, and the second cavity is a sealed structure; when there is a pressure difference between the first cavity and the second cavity, the partition deforms to cause a change in the air flow pressure in the second cavity.

[0009] In one embodiment, the separator is configured to be movably disposed within the induction housing, and the second cavity is a sealed structure; when there is a pressure difference between the first cavity and the second cavity, the separator is displaced to cause a change in the air flow pressure within the second cavity.

[0010] In one embodiment, the sensor includes an air flow sensor or a pressure sensor.

[0011] In one embodiment, the heating assembly further includes a heating element disposed within the accommodation cavity.

[0012] In one embodiment, the heating element is of a tubular structure, and a heating cavity is formed in the middle of the heating element for accommodating and heating the aerosol matrix; when at least a part of the aerosol matrix is inserted into or withdrawn from the heating cavity, there is a pressure difference between the first cavity and the second cavity.

[0013] In one embodiment, the heating assembly includes a heating housing, and the accommodation cavity and the heating base are both located within the heating housing. The aerosol generating device further includes a first sealing member and a second sealing member; the first sealing member is disposed between the heating element and the heating housing; the second sealing member is disposed between the heating base and the heating element.

[0014] In one embodiment, the aerosol generating device further includes an outer housing, and the heating assembly and the induction assembly are disposed within the outer housing; at least a part of the outer housing forms the second cavity between the induction housing and the separator; the first cavity is formed between the heating base, the induction housing and the separator.

[0015] In one embodiment, the heating housing includes a first end and a second end; the first end is for inserting the aerosol matrix; the heating base and the induction assembly are both disposed at the second end; the first cavity and the second cavity are arranged in sequence along the direction from the first end to the second end.

[0016] In one embodiment, the heating base is provided with air flow holes communicating the accommodation cavity with the first cavity, and there are a plurality of the air flow holes, and all the plurality of air flow holes penetrate through the heating base along the direction from the first end to the second end.

[0017] According to the aerosol generating device in the above embodiments, it includes a heating component, a sensing component, and a control circuit board. The heating component is used to heat the aerosol matrix to generate aerosol; the sensing component is used to sense and detect the change in air flow pressure when the aerosol matrix is inserted or withdrawn. Since the heating component includes a heating base, a receiving cavity is formed in the heating component, the sensing component includes a sensing housing, a partition, and a sensor. A first cavity and a second cavity are provided in the sensing housing, and the first cavity and the second cavity are isolated by the partition. The first cavity is communicated with the receiving cavity. When the aerosol matrix is inserted into the receiving cavity, the air flow flows along the insertion direction of the aerosol matrix and flows into the first cavity, or when the aerosol matrix is withdrawn from the receiving cavity, the air flow flows along the withdrawal direction of the aerosol matrix and flows into the receiving cavity along the first cavity, so that there is a pressure difference between the first cavity and the second cavity, thereby causing the air flow pressure in the second cavity to change. The sensor is used to detect the air flow pressure, and the control circuit board can control the aerosol generating device to start working or stop working according to the change in the air flow pressure, achieving the purpose of self-starting, and can simplify the operation and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a top view of the structure of the aerosol generating device in one embodiment;

[0019] Figure 2 is Figure 1 the sectional view of the structure taken along A-A in

[0020] Figure 3 is Figure 1 the sectional view of the structure taken along B-B in

[0021] Figure 4 is a sectional view of the structure of the aerosol generating device in the use state in one embodiment;

[0022] Figure 5 is a schematic structural view of the cooperation between the heating component and the sensing component in one embodiment;

[0023] Figure 6 is a schematic structural view of the heating base in one embodiment;

[0024] Figure 7 is a schematic structural view of the sensing housing at one angle in one embodiment;

[0025] Figure 8 is a schematic structural view of the sensing housing at another angle in one embodiment.

[0026] Wherein: 100, heating component; 110, heating housing; 111, first end; 112, second end; 120, heating base; 121, air flow holes; 130, accommodating cavity; 140, heating element; 141, heating cavity; 200, sensing component; 210, sensing housing; 211, first cavity; 212, second cavity; 213, mounting cavity; 220, partition; 230, sensor; 300, control circuit board; 400, first seal; 500, second seal; 600, outer housing; A, aerosol matrix. Detailed implementation manners

[0027] The present application will be further described in detail below in conjunction with the accompanying drawings through specific implementation manners. Similar elements in different implementation manners are labeled with related similar element numbers. In the following implementation manners, many details are described to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, which is to avoid the core part of the present application being overwhelmed by excessive description. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0028] In addition, the features, operations, or characteristics described in the specification can be combined in any appropriate manner to form various implementation manners, and the operation steps involved in each embodiment can also be reordered or adjusted in an obvious manner by those skilled in the art. Therefore, the specification and the drawings are only for clearly describing a certain embodiment, and do not mean to be the necessary composition and / or order.

[0029] The serial numbers assigned to the components in this article, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meanings. The "connection" and "coupling" mentioned in the present application, unless otherwise specified, both include direct and indirect connections (couplings).

[0030] The present application provides an aerosol generating device (hereinafter referred to as the generating device), which can be used to heat the aerosol matrix A to generate an aerosol that can be used by users.

[0031] It should be noted that the term "aerosol" mentioned in the terminology refers to a dispersion of solid particles or liquid particles in a gas. As used herein, "aerosol" generally refers to a substance that has been vaporized, atomized, in the form of a spray or jet, or otherwise converted from a solid or liquid form into an inhalable form containing suspended solid or liquid drug particles.

[0032] Please refer to Figures 1 to 8 , the generating device includes a heating component 100 and a sensing component 200. The heating component 100 is used to heat the aerosol matrix A to generate aerosol; the sensing component 200 is used to sense and detect the change in air flow pressure when the aerosol matrix A is inserted or withdrawn, and according to the change in air flow pressure, the heating component 100 is started to work or stopped to achieve the purpose of self-starting, which can simplify the operation and improve the user experience.

[0033] Please refer to Figures 3 to 5 , the heating component 100 includes a heating housing 110 and a heating base 120. The heating component 100 forms a receiving cavity 130 for receiving the aerosol matrix A. The heating base 120 is arranged at the bottom of the receiving cavity 130. The heating base 120 at least forms a part of the receiving cavity 130. Both the heating base 120 and the receiving cavity 130 are arranged in the heating housing 110. A receiving cavity 130 is formed between the heating housing 110 and the heating base 120; the receiving cavity 130 is used to receive the aerosol matrix A. Both the heating housing 110 and the heating base 120 are constructed to form part of the receiving cavity 130. The aerosol matrix A is in interference fit with the part of the receiving cavity 130 formed by the heating base 120. When the aerosol matrix A is inserted into the receiving cavity 130, at least part of the aerosol matrix A is placed in the heating base 120, and air flow will flow along the insertion direction of the aerosol matrix A and flow into the part of the receiving cavity formed by the heating base 120.

[0034] Please refer to Figure 3 , Figure 7 and Figure 8 , the sensing component 200 includes a sensing housing 210, a partition 220 and a sensor 230. The sensing housing 210 is arranged on one side of the heating base 120; the sensing housing 210 is provided with a first cavity 211 and a second cavity 212 that are isolated from each other. The partition 220 is arranged between the first cavity 211 and the second cavity 212; the first cavity 211 is communicated with the part of the receiving cavity 130 located on the heating base 120. The sensing housing 210 is provided with a mounting cavity 213, and the mounting cavity 213 is communicated with the second cavity 212. The sensor 230 is arranged in the mounting cavity 213. The sensor 230 is used to detect the change in air flow pressure in the second cavity 212 when the aerosol matrix A is inserted into or withdrawn from the receiving cavity 130.

[0035] An air flow hole 121 communicating the receiving cavity 130 with the first cavity 211 is arranged on the heating base 120, so that when the aerosol matrix A is inserted into the receiving cavity 130, air flow can flow into the first cavity 211 along the air flow hole 121, and when the aerosol matrix A is withdrawn from the receiving cavity 130, air flow can flow into the receiving cavity 130 along the air flow hole 121.

[0036] Specifically, when the aerosol matrix A is inserted into the accommodation cavity 130, the air flow flows along the insertion direction of the aerosol matrix A and flows into the first cavity 211 along the air flow holes 121. Or when the aerosol matrix A exits the accommodation cavity 130, the air flow flows along the exit direction of the aerosol matrix A and sequentially flows into the accommodation cavity 130 along the first cavity 211 and the air flow holes 121, so that a pressure difference exists between the first cavity 211 and the second cavity 212, thereby causing a change in the air flow pressure in the second cavity 212. The sensor 230 is used to detect the air flow pressure and control the heating component 100 to start working or stop working according to the air flow change. The self-start is realized by the change in the air flow pressure caused by the air flow disturbance when the aerosol matrix A is inserted or withdrawn, which can not only simplify the operation steps, but also avoid the misjudgment phenomenon caused by liquid leakage in the schemes such as inductance change or infrared ranging, and improve the detection accuracy.

[0037] In one embodiment, the partition 220 is configured to be made of an elastic material, and the second cavity 212 is a sealed structure; when there is a pressure difference between the first cavity 211 and the second cavity 212, the partition 220 deforms to change the air flow pressure in the second cavity 212. When the aerosol matrix A is inserted into the accommodation cavity 130, the air flow flows along the insertion direction of the aerosol matrix A and flows into the first cavity 211 along the air flow holes 121, so that a pressure difference exists between the first cavity 211 and the second cavity 212, causing the partition 220 to deform in the direction towards the second cavity 212, triggering the sensor 230 to control the heating component 100 to start or stop. When the aerosol matrix A exits the accommodation cavity 130, the air flow flows along the exit direction of the aerosol matrix A and sequentially flows into the accommodation cavity 130 along the first cavity 211 and the air flow holes 121, so that a pressure difference exists between the first cavity 211 and the second cavity 212, causing the partition 220 to deform in the direction towards the first cavity 211, triggering the sensor 230 to control the heating component 100 to start or stop. The sensing housing 210 and the partition 220 can be an integrally formed structure, and both the sensing housing 210 and the partition 220 are made of soft silicone rubber, which can not only play a sealing role, but also deform under the action of the air flow.

[0038] In one embodiment, the separator 220 is configured to be movably disposed within the induction housing 210. The separator 220 is made of a rigid material, and the second cavity 212 is a sealed structure. When there is a pressure difference between the first cavity 211 and the second cavity 212, the separator 220 displaces, causing a change in the air flow pressure within the second cavity 212. When the aerosol substrate A is inserted into the accommodation cavity 130, the air flow moves along the insertion direction of the aerosol substrate A and flows into the first cavity 211 along the air flow holes 121, creating a pressure difference between the first cavity 211 and the second cavity 212. This causes the separator 220 to displace towards the second cavity 212. Since the second cavity 212 is a sealed structure, the change (increase) in the internal air flow pressure triggers the sensor 230 to control the activation or deactivation of the heating assembly 100. When the aerosol substrate A is withdrawn from the accommodation cavity 130, the air flow moves along the withdrawal direction of the aerosol substrate A and sequentially flows into the accommodation cavity 130 through the first cavity 211 and the air flow holes 121, creating a pressure difference between the first cavity 211 and the second cavity 212. This causes the separator 220 to displace towards the first cavity 211. The change (decrease) in the internal air flow pressure triggers the sensor 230 to control the activation or deactivation of the heating assembly 100.

[0039] In one embodiment, the heating base 120 is made of a high-temperature resistant and low-thermal conductivity material, such as peek, zirconia, etc., to avoid heat loss caused by heat conduction from the heating base 120 and also reduce heat transfer to components, thereby improving the heating efficiency.

[0040] In one embodiment, the sensor 230 includes an air flow sensor 230 or a pressure sensor 230. The air flow sensor 230 or the pressure sensor 230 is used to detect the change in air flow pressure during air flow disturbance (flow). The pressure sensor 230 may include a piezoresistor.

[0041] In one embodiment, the generating device further includes a control circuit board 300, which is electrically connected to the sensor 230 and the heating assembly 100. The control circuit board 300 is configured to control the activation or stop of the heating assembly 100 based on the air flow pressure detected by the sensor 230, thereby enabling control of the start or stop of the aerosol production device. For example, when the air flow pressure detected by the sensor 230 increases, the control circuit board 300 controls the heating assembly 100 to operate and heat the aerosol substrate A. When the air flow pressure detected by the sensor 230 decreases, the control circuit board 300 controls the heating assembly 100 to turn off.

[0042] In one embodiment, the heating assembly 100 further includes a heating element 140 disposed within the accommodation cavity 130. The heating element 140 has a tubular structure, and a heating cavity 141 is formed in the middle of the heating element 140 for accommodating and heating the aerosol matrix A. When at least a part of the aerosol matrix A is inserted into or withdrawn from the heating cavity 141, a pressure difference exists between the first cavity 211 and the second cavity 212. The heating element 140 includes a heating tube or a heating wire in a ring structure, which can heat the aerosol matrix A after being powered on.

[0043] Please refer to Figure 5 , in one embodiment, the generating device further includes a first seal 400 and a second seal 500. The first seal 400 is disposed between the heating element 140 and the heating housing 110, and the second seal 500 is disposed between the heating base 120 and the heating element 140. The setting of the first seal 400 and the second seal 500 makes each component sealed, which is beneficial to detecting the change of air flow pressure when the aerosol matrix A is inserted or withdrawn, so as to improve the accuracy of detection and control.

[0044] In one embodiment, the generating device further includes an outer housing 600. The heating assembly 100 and the sensing assembly 200 are disposed within the outer housing 600. At least a part of the outer housing 600 forms a second cavity 212 between the sensing housing 210 and the partition 220. A first cavity 211 is formed among the heating base 120, the sensing housing 210, and the partition 220. The outer housing 600 can also constitute a set of related components of the overall outer contour structure of the entire generating device. The setting of the outer housing 600 not only provides an installation space for the heating assembly 100, the sensing assembly 200, and the control circuit board 300, but also facilitates the use, carrying, or operation of the entire generating device. At the same time, the outer housing 600 cooperates with the sensing housing 210 and the partition 220 to form a sealed second cavity 212, so as to achieve the self-starting purpose of the present application.

[0045] Please refer to Figure 4 , in one embodiment, the heating housing 110 includes a first end 111 and a second end 112. The first end 111 is for the aerosol matrix A to be inserted. The heating base 120 and the sensing assembly 200 are both disposed at the second end 112. The first cavity 211 and the second cavity 212 are arranged in sequence along the direction from the first end 111 to the second end 112, so that the arrangement of the first cavity 211 and the second cavity 212 is arranged according to the air flow direction, which is convenient for the partition 220 to deform or displace, and is convenient for achieving the self-starting purpose.

[0046] In one embodiment, a plurality of air flow holes 121 are provided, and the plurality of air flow holes 121 all penetrate through the heating base 120 in the direction from the first end 111 to the second end 112. The direction of the air flow holes 121 is the same as the direction in which the aerosol matrix A is inserted or withdrawn, so that the air flow can flow along the direction in which the aerosol matrix A is inserted or withdrawn, avoiding the structure from affecting the air flow, thereby preventing it from slowing down the air flow, and thus making the change in air pressure not significantly affect the realization of self-starting.

[0047] The above uses specific examples to elaborate on the present application, which is only used to help understand the present application and is not intended to limit the present application. For those skilled in the art to which the present application pertains, based on the idea of the present application, several simple deductions, deformations or substitutions can also be made.

Claims

1. An aerosol generating device, characterized in that, Comprising: A heating component, which forms a receiving cavity for accommodating an aerosol matrix. A heating base is provided at the bottom of the receiving cavity, and the heating base forms at least a part of the receiving cavity. When the aerosol matrix is inserted into the receiving cavity, at least a part of the aerosol matrix is placed within the heating base and is in interference fit with the heating base; A sensing component, which includes a sensing housing, a partition member, and a sensor. The sensing housing is provided on one side of the heating base. The sensing housing is provided with a first cavity and a second cavity. The partition member is disposed between the first cavity and the second cavity to isolate the first cavity and the second cavity. The first cavity communicates with a part of the receiving cavity located on the heating base. An installation cavity is provided on the sensing housing, and the installation cavity communicates with the second cavity. The sensor is disposed within the installation cavity. The sensor is configured to detect a change in the air flow pressure within the second cavity when the aerosol matrix is inserted into or withdrawn from the receiving cavity; And A control circuit board, which controls the start or stop of the aerosol production device according to the change in the air flow pressure detected by the sensor.

2. The aerosol generating device according to claim 1, characterized in that The partition member is made of an elastic material, and the second cavity is a sealed structure. When there is a pressure difference between the first cavity and the second cavity, the partition member deforms to cause a change in the air flow pressure within the second cavity.

3. The aerosol generating device according to claim 1, wherein, The partition member is configured to be movably disposed within the sensing housing, and the second cavity is a sealed structure. When there is a pressure difference between the first cavity and the second cavity, the partition member is displaced to cause a change in the air flow pressure within the second cavity.

4. The aerosol generating device according to any one of claims 1-3, characterized in that The sensor includes an air flow sensor or a pressure sensor.

5. The aerosol generating device according to claim 1, wherein, The heating component further includes a heating element, which is disposed within the receiving cavity and is located on the side of the heating base close to the receiving cavity.

6. The aerosol generating device according to claim 5, characterized in that, The heating element is of a tubular structure, and a heating cavity is formed in the middle of the heating element. The heating cavity is used to accommodate and heat the aerosol matrix.

7. The aerosol generating device according to claim 5, characterized in that, The heating component includes a heating housing. The receiving cavity and the heating base are both located within the heating housing. The aerosol production device further includes a first sealing member and a second sealing member. The first sealing member is disposed between the heating element and the heating housing. The second sealing member is disposed between the heating base and the heating element.

8. The aerosol generating device according to claim 1, wherein The aerosol production device further includes an outer housing. The heating component and the sensing component are disposed within the outer housing. At least a part of the structure of the outer housing forms the second cavity with the sensing housing and the partition member. The first cavity is formed between the heating base, the sensing housing, and the partition member.

9. The aerosol generating device according to claim 7, characterized in that, The heating housing includes a first end and a second end. The first end is for inserting the aerosol matrix. The heating base and the sensing component are both provided at the second end. The first cavity and the second cavity are arranged in sequence along the direction from the first end to the second end.

10. The aerosol generating device according to claim 9, wherein, The heating base is provided with air flow holes communicating the accommodating cavity and the first cavity, and a plurality of the air flow holes are provided. The plurality of air flow holes all penetrate through the heating base along the direction from the first end to the second end.

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