A heating element assembly top air inlet structure and aerosol generating device

Abstract

The application belongs to the field of electronic atomization equipment, and specifically discloses a heating element assembly top air inlet structure and an aerosol generating device. The heating element assembly top air inlet structure comprises a shell and a support arranged in the shell. An air duct is arranged in the support and extends upward out of the shell. A heating element assembly is further arranged on the support and extends upward into the air duct. An air inlet hole is arranged at the top of the shell. A channel is arranged on the support and communicates with the air inlet hole. A cavity is arranged at the bottom of the heating element assembly. A passageway is arranged in the middle of the support and communicates with the cavity. The passageway communicates with the channel. A containing cavity is formed between the support, the heating element assembly and the air duct. The cavity communicates with the containing cavity, and the containing cavity communicates with the air duct. The application can effectively cool the shell, the support and the heating element assembly, and reduce the problem of overheating caused by excessively high local temperature.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of electronic atomization equipment, and particularly relates to a heating element assembly top air inlet structure and an aerosol generating device. BACKGROUND

[0002] The aerosol generating device is an electronic product for users to use, which atomizes an aerosol base into a misty aerosol by using a heating element assembly. The aerosol generated by the aerosol generating device does not contain tar, suspended particles and other harmful components, and therefore has a wide application market. In the aerosol generating device, the heating element assembly is a very important part. In the existing aerosol generating device, the heating element assembly is usually located at the position of an air inlet channel. When air flows through, the air can drive the aerosol to flow out, and can also cool the heating element assembly to protect the heating element assembly to a certain extent. However, in actual application, the heat emitted by the heating element assembly can also cause the temperature of the shell and the bracket and other components to rise. However, there is usually no design in the prior art to cool the shell and the bracket, and therefore the local temperature can be too high to cause the heating element assembly to overheat. SUMMARY

[0003] The purpose of the present application is to provide a heating element assembly top air inlet structure and an aerosol generating device, which can cool the shell, the bracket and the heating element assembly, and reduce the problem of overheating caused by the local temperature being too high.

[0004] To achieve the above-mentioned purpose, the present application is implemented by the following technical scheme: a heating element assembly top air inlet structure is provided, which comprises a shell and a bracket arranged in the shell. An air pipe is arranged in the bracket, and the air pipe extends upward from the shell. A heating element assembly is arranged on the bracket, and the heating element assembly extends upward into the air pipe. An air inlet hole is arranged at the top of the shell, and a channel is arranged on the bracket and communicates with the air inlet hole. A cavity is arranged at the bottom of the heating element assembly, and a passageway is arranged in the middle of the bracket and communicates with the cavity. The passageway communicates with the channel. A containing cavity is formed between the bracket, the heating element assembly and the air pipe, and the cavity and the containing cavity communicate with each other. The containing cavity and the air pipe communicate with each other.

[0005] Further, a supporting member for mounting the air pipe is arranged in the bracket. A perforation is arranged at the lower end of the supporting member, and the perforation communicates with the containing cavity and the air pipe.

[0006] Further, the heating element assembly comprises a heating element fixing seat arranged on the bracket and a heating element arranged on the heating element fixing seat. The cavity is arranged on the heating element, and the cavity is located at the lower end of the supporting member.

[0007] Further, the size of the perforation is larger than the size of the heat-generating body, and the heat-generating body penetrates through the perforation upwardly and extends into the air duct.

[0008] Further, a through hole is arranged on the heat-generating body fixing seat, and the through hole is communicated with the channel and the cavity.

[0009] Further, an air inlet is arranged on the heat-generating body, and the air inlet is communicated with the through hole and the cavity.

[0010] Further, a plurality of air outlets are arranged on the heat-generating body, the air outlets are communicated with the cavity and the accommodating cavity, and at least one of the air outlets is arranged on the side wall of the heat-generating body.

[0011] Further, the number of the air outlets is two, the two air outlets are symmetrically distributed on the side wall of the heat-generating body, and the directions of the two air outlets are perpendicular to the direction of the air duct.

[0012] Further, the number of the air outlets is two, the two air outlets are symmetrically distributed on the side wall of the heat-generating body, and the directions of the two air outlets are perpendicular to the direction of the air duct.

[0013] Further, the number of the air outlets is two, the two air outlets are symmetrically distributed on the side wall of the heat-generating body, and the directions of the two air outlets are perpendicular to the direction of the air duct.

[0014] The application has the following beneficial effects:

[0015] The heat-generating body assembly top air inlet structure provided by the application can make the external air enter from the air inlet hole arranged on the top of the shell, flow downwardly through the channel, flow into the passageway after flowing out of the channel, then flow upwardly along the passageway to the cavity arranged on the heat-generating body assembly, flow out of the cavity and flow to the accommodating cavity, and finally flow into the air duct, so that the aerosol can be taken out from the air duct. Since the air inlet hole is arranged on the top of the shell, the path of the external air flowing from the shell to the air duct is in the shape of U. Since the heat-generating body assembly can also cause the local temperature of the bracket and the shell to rise when generating heat, the bracket and the shell can be cooled during the process that the external air flows downwardly from the air inlet hole and flows out of the channel. Meanwhile, the heat-generating body assembly between the bracket and the air duct can be cooled when the external air flows upwardly along the passageway and passes through the cavity arranged on the heat-generating body assembly, so that the heat-generating body assembly can be cooled better, and the problem of overheating caused by the local high temperature can be reduced.

[0016] The aerosol generating device provided by the present application is designed based on the above-mentioned air inlet structure at the top of the heating element assembly, and its beneficial effects are described above, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0018] Figure 1 The schematic diagram of the air inlet structure at the top of the heating element assembly provided by the present application is shown in the figure.

[0019] Figure 2 The Figure 1 The enlarged view of part A in the figure.

[0020] Explanation of the figure:

[0021] 1, shell; 2, support; 3, air duct; 4, heating element assembly; 5, accommodating cavity; 6, supporting member; 7, battery cell; 11, air inlet hole; 12, button hole; 13, connecting hole; 21, channel; 22, passageway; 41, cavity; 42, heating element fixing seat; 43, heating element; 44, through hole; 45, air inlet; 46, air outlet; 61, perforation; 71, control panel; 72, button; 73, socket. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] It should be understood that when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of described features, whole, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, whole, steps, operations, elements, components and / or sets thereof.

[0024] It should also be understood that the terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the specification and the appended claims of the present application, unless otherwise clear from the context, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0025] It should be further understood that the term "and / or" used in the description and claims of the application herein is used to mean any one and / or any combination of the associated listed items and includes all possible combinations.

[0026] Embodiment 1

[0027] Referring to Figures 1-2 As shown in the drawings, the heating element assembly top air inlet structure provided by the embodiment includes a shell 1 and a support 2 arranged in the shell 1. An air duct 3 is arranged in the support 2 and extends upward from the shell 1. A heating element assembly 4 is arranged on the support 2 and extends upward into the air duct 3. An air inlet hole 11 is arranged at the top of the shell 1. A channel 21 is arranged on the support 2 and communicates with the air inlet hole 11. A cavity 41 is arranged at the bottom of the heating element assembly 4. A passageway 22 is arranged in the middle of the support 2 and communicates with the cavity 41. The passageway 22 communicates with the channel 21. A containing cavity 5 is formed between the support 2, the heating element assembly 4 and the air duct 3. The cavity 41 communicates with the containing cavity 5. The containing cavity 5 communicates with the air duct 3.

[0028] Through the above structure, in actual application, the structure for facilitating smooth flow of aerosol is adopted in the embodiment. The heating element assembly 4 is used for heating and can heat and atomize the aerosol substrate into mist-shaped aerosol. External air can enter from the air inlet hole 11 arranged at the top of the shell 1, flow downward through the channel 21, flow into the passageway 22 after flowing out of the channel 21, then flow upward along the passageway 22 to the cavity 41 arranged on the heating element assembly 4, flow out of the cavity 41 and flow to the containing cavity 5, and finally flow into the air duct 3, so as to carry the aerosol out of the air duct 3. Since the air inlet hole 11 is arranged at the top of the shell 1, the path for the external air to flow into the shell 1 and flow out of the air duct 3 is in the shape of U. Since the heating element assembly 4 also causes local temperature rise of the support 2 and the shell 1 and other components when heating, the support 2 and the shell 1 can be cooled during the process that the external air flows downward from the air inlet hole 11 and flows out of the channel 21. Meanwhile, the heating element assembly 4 located between the support 2 and the air duct 3 can be cooled when the external air flows upward along the passageway 22 and passes through the cavity 41 arranged on the heating element assembly 4, which can play a good cooling effect and reduce the problem of overheating caused by too high local temperature.

[0029] In some embodiments, the air inlet hole 11 is located at the middle of the top of the shell 1, the size of the air inlet hole 11 is larger than the cross-sectional size of the air duct 3, the air duct 3 penetrates the air inlet hole 11 upward and extends out of the shell 1, external air can flow into the shell 1 along the gap between the air duct 3 and the shell 1, thereby reducing the opening on the shell 1, and when the external air enters the shell 1, the air duct 3 can be cooled, thereby being able to cool the aerosol flowing through the air duct, so that the temperature of the aerosol when used by the user is low, avoiding the user being scalded, and improving the user experience.

[0030] Specifically, the support 2 is provided with a supporting piece 6 for mounting the air duct 3, a perforation 61 is arranged at the lower end of the supporting piece 6, the perforation 61 is in communication with the accommodating cavity 5 and the air duct 3, and the supporting piece 6 is used for fixing the air duct 3. After the external air flows out of the cavity 41 to the accommodating cavity 5, it can continue to flow into the air duct 3 through the perforation 61.

[0031] Specifically, the heating body assembly 4 includes a heating body fixing seat 42 arranged on the support 2 and a heating body 43 arranged on the heating body fixing seat 42, the cavity 41 is arranged on the heating body 43, and the cavity 41 is located at the lower end of the supporting piece 6; the heating body 43 is used for heating, the heating body fixing seat 42 is the base of the heating body 43, and the heating body fixing seat 42 is mounted on the support 2, so that the fixing of the heating body 43 can be realized. The heating body fixing seat 42 can prevent the heating body 43 from directly contacting the support 2, thereby preventing the support 2 from being locally overheated and deformed.

[0032] Specifically, the size of the perforation 61 is larger than the size of the heating body 43, the heating body 43 penetrates the perforation 61 upward and extends into the air duct 3, and the size of the perforation 61 is larger than the size of the heating body 43, which can ensure that there is a gap when the heating body 43 penetrates, thereby ensuring the circulation of air. The heating body 43 extends into the air duct 3 to heat the aerosol substrate, which can heat and atomize the aerosol substrate into mist-shaped aerosol, and when air flows into the air duct 3, the aerosol substrate can be taken out of the air duct 3.

[0033] Specifically, a through hole 44 is arranged on the heating body fixing seat 42, and the through hole 44 is in communication with the channel 21 and the cavity 41; the through hole 44 is the path of air flowing through the heating body fixing seat 42, which can guide the air to the cavity 41 and also cool the heating body fixing seat 42 when the air flows through the through hole 44.

[0034] Specifically, an air inlet 45 is arranged on the heating body 43, and the air inlet 45 is in communication with the through hole 44 and the cavity 41; the air inlet 45 is the entrance for air to flow into the cavity 41 from outside, and the air flowing into the cavity 41 can cool the heating body 43.

[0035] Specifically, a plurality of air outlets 46 are arranged on the heating body 43, the air outlets 46 are in communication with the cavity 41 and the accommodating cavity 5, and at least one of the air outlets 46 is arranged on the side wall of the heating body 43; after the air flows into the cavity 41 from the air inlet 45, the air flows out from the air outlets 46 and flows to the accommodating cavity 5, thereby dissipating heat of the heating body 43, reducing local heat of the heating body 43, and prolonging the service life of the heating body 43.

[0036] Specifically, the number of the air outlets 46 is two, and the two air outlets 46 are symmetrically arranged on the side wall of the heating body 43, and the directions of the two air outlets 46 are perpendicular to the direction of the air duct 3; after the air flows into the cavity 41 from the air inlet 45, the air flows out from the two air outlets 46 to the accommodating cavity 5, so that the area of the air flowing through the heating body 43 becomes larger and more dispersed, which can better dissipate heat of the heating body 43; at the same time, the two air outlets 46 are symmetrically arranged on the side wall of the heating body 43 and are arranged perpendicularly to the direction of the air duct 3, which can prevent the air outlets 46 from being blocked by impurities in the aerosol.

[0037] Embodiment 2

[0038] Please refer to Figures 1-2 As shown in the figure, the aerosol generating device provided by the embodiment further comprises a battery 7 arranged at the lower end of the support 2 and a control panel 71 electrically connected with the battery 7, and the heating body 43 is electrically connected with the control panel 71. The battery 7 provides power for the aerosol generating device, and the control panel 71 is used for controlling the entire aerosol generating device.

[0039] Specifically, a plurality of air outlets 46 are arranged on the heating body 43, the air outlets 46 are in communication with the cavity 41 and the accommodating cavity 5, and at least one of the air outlets 46 is arranged on the side wall of the heating body 43; after the air flows into the cavity 41 from the air inlet 45, the air flows out from the air outlets 46 and flows to the accommodating cavity 5, thereby dissipating heat of the heating body 43, reducing local heat of the heating body 43, and prolonging the service life of the heating body 43.

[0040] The above merely provides a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements shall be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A heat generator assembly top air intake structure, characterized by, The application relates to a heating body assembly top air inlet structure. The heating body assembly top air inlet structure comprises a shell and a support arranged in the shell, wherein a gas pipeline is arranged in the support and extends upwards from the shell; a heating body assembly is further arranged on the support and extends upwards into the gas pipeline; an air inlet hole is arranged on the top of the shell; a channel is arranged on the support and communicates with the air inlet hole; a cavity is arranged on the bottom of the heating body assembly; a passageway is arranged in the middle of the support and communicates with the cavity; the passageway communicates with the channel; a containing cavity is formed among the support, the heating body assembly and the gas pipeline, and the cavity communicates with the containing cavity; the containing cavity communicates with the gas pipeline. A supporting part for mounting the gas pipeline is arranged in the support, and a through hole is arranged on the lower end of the supporting part and communicates with the containing cavity and the gas pipeline.

2. The heating element assembly top air inlet structure according to claim 1, wherein The heating body assembly comprises a heating body fixing seat arranged on the support and a heating body arranged on the heating body fixing seat; the cavity is arranged on the heating body, and the cavity is located on the lower end of the supporting part.

3. The heating element assembly top air inlet structure according to claim 2, wherein The size of the through hole is larger than that of the heating body, the heating body passes through the through hole upwards and extends into the gas pipeline.

4. The heating element assembly top air inlet structure according to claim 3, wherein A through hole is arranged on the heating body fixing seat and communicates with the channel and the cavity.

5. The heating element assembly top air inlet structure according to claim 4, wherein An air inlet is arranged on the heating body and communicates with the through hole and the cavity.

6. The heating element assembly top air inlet structure of claim 5, wherein, A plurality of air outlets are arranged on the heating body and communicate with the cavity and the containing cavity; at least one of the air outlets is arranged on the side wall of the heating body.

7. An aerosol generating device, characterized by, The number of the air outlets is two, the two air outlets are symmetrically arranged on the side wall of the heating body, and the directions of the two air outlets are perpendicular to the direction of the gas pipeline.

8. An aerosol generation device according to claim 7, wherein, The application further relates to a heating body assembly top air inlet structure, which comprises an electric core arranged on the lower end of the support and a control panel electrically connected with the electric core; the heating body is electrically connected with the control panel. A key hole and a connecting hole are arranged on the shell; a key electrically connected with the control panel is arranged in the key hole; and a socket electrically connected with the control panel is arranged in the connecting hole.

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