WO2023050922A1

WO2023050922A1 - Aerosol generating device and aerosol generating system

Info

Publication number: WO2023050922A1
Application number: PCT/CN2022/100840
Authority: WO
Inventors: 刘荣东
Original assignee: 深圳市吉迩科技有限公司
Priority date: 2021-09-29
Filing date: 2022-06-23
Publication date: 2023-04-06
Also published as: CN113841935A

Abstract

Embodiments of the present application relate to the technical field of aerosol generating devices, and relate to an aerosol generating device and an aerosol generating system. The aerosol generating device comprises a housing, a heating element, a support, and an airflow driving mechanism. The housing is internally provided with an airflow channel and a gas heating chamber; the airflow channel is communicated with the outside; an air inlet channel of the gas heating chamber is communicated with the airflow channel; ventilation holes provided in the side wall of the gas heating chamber; the gas heating chamber is communicated with the airflow channel by means of the ventilation holes; at least part of the support is disposed in the gas heating chamber; the heating element is disposed in the gas heating chamber, and is located between the air inlet channel of the gas heating chamber and the support; the support is provided with an accommodating cavity for accommodating an aerosol-generating product; the accommodating cavity is communicated with the gas heating chamber; the airflow driving mechanism is installed in the gas heating chamber. The technical solution provided in the present application can improve the generation efficiency of the aerosol and increase the atomization amount.

Description

An aerosol generating device and an aerosol generating system

technical field

The present application relates to the technical field of aerosol generating devices, and more specifically, to an aerosol generating device and an aerosol generating system.

Background technique

The aerosol generating device is a device that heats the aerosol generating substrate in the aerosol generating product to generate an aerosol for the user to inhale after the aerosol generating substrate is heated.

Existing aerosol generating devices generally achieve heating through direct or indirect solid-solid contact between the heating element and the aerosol generating substrate, so that the heating area of the aerosol generating substrate is Limited, the heating process of the aerosol-generating substrate will cause the problem that part of the aerosol-generating substrate is overheated, while part of the aerosol-generating substrate is not heated enough.

In order to avoid the problem of uneven heating of the aerosol substrate (solid) and the heating element (solid) due to direct contact heating (or indirect solid-solid contact heating through other solid heat-conducting structures), now Some aerosol generating devices use heated air, and then the heated air enters the aerosol generating substrate to perform gas-solid contact heating on the aerosol generating substrate, so that the aerosol generating substrate can be evenly heated. However, due to the way of heating the aerosol-generating substrate with hot air, during the preheating stage, the hot air is easy to escape from the aerosol-generating product, causing heat loss, so that the preheating of the aerosol-generating substrate is not in place. lead to low power utilization.

Contents of the invention

The technical problem to be solved by the embodiment of the present application is that the preheating of the aerosol generating device by the existing aerosol generating device is not in place, resulting in low utilization rate of electric energy.

In order to solve the above technical problems, an embodiment of the present application provides an aerosol generating device, which adopts the following technical solutions:

The aerosol generating device includes a housing, a heating element, a bracket and an airflow driving mechanism;

The housing is provided with an air flow passage and a gas heating chamber, the air flow passage communicates with the outside world, the air intake passage of the gas heating chamber communicates with the air flow passage, and the side wall of the gas heating chamber is provided with ventilation holes. The gas heating chamber is communicated with the airflow channel through the vent hole;

At least a part of the bracket is arranged in the gas heating chamber, the heating element is arranged in the gas heating chamber, and is located between the air inlet channel of the gas heating chamber and the bracket, the the carrier is provided with a housing chamber for housing an aerosol-generating article, the housing chamber being in communication with the gas heating chamber;

The airflow driving mechanism is installed in the gas heating chamber, the airflow driving mechanism is used to drive air from the airflow channel into the gas heating chamber, and make the air in the gas heating chamber pass through the heating element in sequence and the bracket, it is discharged from the air hole to the airflow channel.

Further, the airflow driving mechanism is a fan, the air inlet channel of the gas heating chamber is located on the air inlet side of the fan, and the bracket is arranged on the air outlet side of the fan.

Further, it also includes a one-way ventilation structure, the housing is provided with an air inlet, and the airflow channel communicates with the outside world through the air inlet, and the one-way ventilation structure is arranged between the air inlet and the air inlet. The airflow channel in the area between the air holes, or the one-way ventilation structure is arranged on the air inlet.

Further, the one-way ventilation structure is an air circuit one-way valve.

Further, it also includes a control module and a power supply assembly, the control module and the power supply assembly are both arranged in the housing, the control module is connected to the power supply assembly, the control module is connected to the heating element, the The gas drive mechanism is connected.

Further, it also includes: a temperature sensor, the temperature sensor is arranged between the bracket and the heating element, and is used to detect the temperature of the air entering the bracket after being heated by the heating element; The temperature sensor is connected with the control module, and the control module is used for regulating the output power to the heating element according to the temperature of the air, so as to realize the adjustment of the temperature of the heating element.

Further, the bracket is made of heat-conducting material.

Further, the part of the bracket located in the gas heating chamber is made of heat-conducting material.

Further, an air inlet is provided on the end of the bracket close to the airflow driving mechanism, and a vent hole is opened on the side wall of the bracket, and the accommodating chamber is heated by the gas inlet, the vent hole and the gas. The cavities are connected, so that the air in the gas heating cavity enters the aerosol generating substrate in the accommodating cavity from the air inlet, and then is discharged to the gas heating cavity through the vent hole.

Further, vent holes are correspondingly provided on the side walls of the aerosol generating substrate.

Further, the side wall of the corresponding area of the aerosol generating substrate is made of breathable material.

Further, the bottom of the bracket is located in the gas heating chamber, and the top of the bracket is connected to the housing; the housing cavity of the bracket is provided with a heat conduction section near the bottom of the bracket; The side wall of the heat conducting section of the accommodating chamber is located between the heating element and the vent hole.

In order to solve the above technical problems, the embodiment of the present application also provides an aerosol generating system, which adopts the following technical solutions:

In the aerosol generating system, the aerosol generating product and the aerosol generating device according to any one of the solutions above, the aerosol generating product can be plugged into the bracket of the aerosol generating device.

Further, the aerosol-generating product includes an aerosol-generating substrate, a filter, and a transition layer arranged between the aerosol-generating substrate and the filter, and the transition layer is arranged downstream of the aerosol-generating substrate , the filter is arranged downstream of the transition layer, when the aerosol generating product is inserted into the bracket of the aerosol generating device, the aerosol generating substrate and the air vent and the The brackets between the heating elements fit together.

Further, the transition layer is a cooling layer.

Further, the one-way ventilation structure is an air circuit one-way valve.

Further, the bracket is made of heat-conducting material.

Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

In the embodiment of the present application, air holes are provided on the side wall of the gas heating chamber and an airflow driving mechanism is provided in the gas heating chamber, so that the air can be heated by the heating element under the drive of the airflow driving mechanism when it is not subjected to external suction. Circulation is carried out in the air flow channel and the gas heating chamber, and the hot air conducts heat to the bracket during the circulation process, so as to realize the preheating of the aerosol-generating articles in the bracket. Through the heat transfer between the hot air and the bracket, as well as the circulation of the hot air, the heated air is prevented from flowing out of the aerosol-generating substrate, which reduces the loss of heat, and the aerosol-generating substrate in the aerosol-generating product can The preheating temperature is reached faster, so that the aerosol generating substrate can be preheated in place quickly, the preheating efficiency of the aerosol generating substrate is improved, and the utilization rate of electric energy is improved.

Description of drawings

In order to illustrate the solution of the present application more clearly, a brief introduction will be given below to the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present application. As far as people are concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a schematic structural view of the aerosol generating device and the aerosol generating product described in Example 1 provided by the present invention;

Fig. 2 is a schematic structural diagram of the aerosol generating device and aerosol generating product described in Embodiment 2 provided by the present invention, which shows the state of the user inhaling the aerosol, and the arrows in the figure show the flow direction of the air;

Fig. 3 is a partial enlarged view of place A in Fig. 2;

Fig. 4 is the state of the aerosol generating device shown in Fig. 2 when the user stops inhaling the aerosol, and the arrow in the figure shows the flow direction of the air;

Fig. 5 is a partial enlarged view of place B in Fig. 4;

Fig. 6 is a schematic structural view of the aerosol-generating product described in Example 3 of the present invention.

Reference signs:

100. Aerosol generating device; 110. Shell; 111. Air flow channel; 112. Gas heating chamber; 1121. Air intake channel; 113. Vent hole; 114. Air intake port; 130, bracket; 140, airflow driving mechanism; 150, control module; 160, power supply component; 170, one-way ventilation structure; 200, aerosol generating product; 210, aerosol generating substrate; 220, transition layer; 230. Filter tip.

Detailed ways

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the application; the terms used herein in the description of the application are only for the purpose of describing specific embodiments , is not intended to limit the present application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and the description of the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, rather than to describe a specific order.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to Figure 1 to Figure 6, Figure 1 is the aerosol generating device described in Embodiment 1 of the present application; Figure 2 to Figure 5 is the aerosol generating device described in Embodiment 2 of the present application; Figure 6 is Embodiment 3 of the present application The aerosol-generating article.

An embodiment of the present application provides an aerosol generating device. Referring to FIG. 1 , it is Embodiment 1 of the present application. In this embodiment, an aerosol generating device 100 includes a casing 110 , a heating element 120 , a bracket 130 and an airflow driving mechanism 140 . The casing 110 is provided with an airflow passage 111 and a gas heating chamber 112, the airflow passage 111 communicates with the outside world, and the side wall of the gas heating chamber 112 is provided with a ventilation hole 113, and the gas heating chamber 112 communicates with the airflow passage through the ventilation hole 113 111 is connected.

At least a part of the bracket 130 is set in the gas heating cavity 112, the heating element 120 is set in the gas heating cavity 112, and the heating element 120 is located between the air intake channel 1121 of the gas heating cavity 112 and the bracket 130, and the bracket 130 is set There is a containment cavity for containing the aerosol-generating article 200 , which is in communication with the gas heating cavity 112 .

When the air in the gas heating chamber 112 is not subjected to external suction, it is heated by the heating element 120 and then enters the airflow channel 111 through the air hole 113 . At least a part of the bracket 130 is located between the air hole 113 and the heating element 120 .

The airflow driving mechanism 140 is installed in the gas heating chamber 112, and the airflow driving mechanism 140 is used to drive air from the gas channel 111 into the gas heating chamber 112, and make the air in the gas heating chamber 112 pass through the heating element 120 and the bracket 130 in sequence , discharged from the vent hole 113 to the airflow channel 111.

It can be understood that the working principle of the aerosol generating device 100 is as follows:

When the user inhales the aerosol, the user applies suction to the aerosol generating substrate 210, and the outside air is sucked into the airflow channel 111 under the action of the external suction, and the air flows from the airflow channel 111 to the air intake channel 1121 of the gas heating chamber 112, and passes through The air intake channel 1121 of the gas heating chamber 112 enters into the gas heating chamber 112 . The heating element 120 in the gas heating chamber 112 heats the air, so that the air is heated to form hot air, and the hot air enters the aerosol generating product 200 located in the receiving chamber under the action of external suction, so as to heat the aerosol generating product 200 The aerosol-generating substrate 210 is heated to make the aerosol-generating substrate 210 form an aerosol, and the aerosol-generating product 200 is discharged under the action of suction for the user to inhale.

When the aerosol-generating base material is in the preheating stage, the user does not apply suction to the aerosol-generating product at this time, and the air enters the gas heating chamber 112 from the airflow channel 111 under the driving action of the airflow driving mechanism 140, and passes through the gas The heating element 120 in the heating chamber 112 is heated to form hot air, and then the hot air is blown to the bracket 130, and the hot air transfers heat to the bracket 130, so that the temperature of the bracket 130 rises, and the bracket 130 and the aerosol-generating substrate The contact further transfers heat to the aerosol-generating substrate, thereby realizing the preheating of the aerosol-generating substrate. At the same time, the hot air blown through the bracket 130 is discharged from the vent hole 113 to the airflow channel 111 , and then re-enters the gas heating chamber 112 driven by the airflow driving mechanism 140 to realize the circulation of hot air. During this process, driven by the airflow driving mechanism 140, the air can circulate between the gas heating chamber 112 and the airflow channel 111, so as to prevent the air from flowing out of the aerosol generating substrate after being heated, and reduce the loss of heat. Realize rapid preheating of aerosol-generating substrates.

Compared with the prior art, the aerosol generator has at least the following technical effects:

The aerosol generating device provided in the embodiment of the present application, by opening a vent hole 113 on the side wall of the gas heating chamber 112 and setting an airflow driving mechanism in the gas heating chamber 112, the air can flow through the airflow driving mechanism when it is not subject to external suction. Driven by 140 , after being heated by the heating element 120 , it circulates in the airflow channel 111 and the gas heating chamber 112 , and the aerosol generating product 200 in the bracket 130 is preheated during the circulation process. Through the heat transfer between the hot air and the bracket 130, as well as the circulation of the hot air, it is possible to prevent the air from flowing out of the aerosol-generating substrate after being heated, thereby reducing the loss of heat, and the aerosol-generating substrate in the aerosol-generating product 200 The material 210 can reach the preheating temperature faster, so that the aerosol generating substrate can be preheated in place quickly, which improves the preheating efficiency of the aerosol generating substrate and improves the utilization rate of electric energy.

It can be understood that the air inlet channel 1121 of the gas heating chamber 112 is located at the bottom of the gas heating chamber 112, and the vent hole 113 is located on the side wall of the gas heating chamber 112, that is, the height of the vent hole 113 is higher than that of the gas heating chamber 112. The air intake channel 1121, the heating element 120 is located between the ventilation hole 113 and the air intake channel 1121 of the gas heating chamber 112, so that the air is heated by the heating element 120 driven by the airflow driving mechanism 140, and then passes through the bracket 130, from the ventilation The holes 113 discharge into the gas flow channel 111, thereby promoting gas circulation.

In this embodiment, the airflow driving mechanism 140 is a fan, the air inlet channel 1121 of the gas heating chamber 112 is located at the air inlet side of the fan, and the heating element 120 is arranged at the air outlet side of the fan.

It can be understood that, under the drive of the fan, the air can be blown to the bracket 130 after being heated by the heating element. When the user inhales, the hot air can be sucked into the cavity of the bracket 130. When the user is not inhaling, the hot air can , the hot air can be blown to the bracket 130 and be discharged from the vent hole 113 after flowing through the bracket 130 , so as to prevent the air from flowing backward through the vent hole 113 . Wherein, the air inlet side of the fan plays the role of suction, and the air in the airflow passage 111 can enter the gas heating chamber 112 from the air inlet passage 1121 of the gas heating chamber 112 under the drive of the fan, so that it can be discharged from the air vent 113. The hot air in the airflow channel 111 can be sucked into the gas heating chamber 112 again by the fan, so as to form a circulating flow of hot air and avoid heat loss caused by the hot air flowing from the aerosol-generating product to the outside. The air entering the gas heating chamber 112 is heated by the heating element 120 and then blown to the bracket 130. The hot air is in contact with the bracket 130 and conducts a part of the heat to the bracket 130 to generate radicals for the aerosol in the bracket 130. The material is preheated to achieve preheating. In this embodiment, a fan is provided to drive the flow of air, so that the air can flow in a preset direction.

In this embodiment, both the heating element 120 and the bracket 130 are located on the air outlet side of the fan, and the fan is arranged on the side of the heating element 120 away from the bracket 130, so that the air blown by the fan can flow through the heating element 120 and the bracket in sequence 130. In other embodiments, the fan can also be arranged between the heating element 120 and the bracket 130, that is, the heating element 120 is arranged on the air inlet side of the fan, and the bracket 130 is arranged on the air outlet side of the fan.

Referring to Figures 2 to 5, it is the second embodiment provided by this application. In this embodiment, the aerosol generating device 100 also includes a one-way ventilation structure 115, and the housing 110 is provided with an air inlet 114, and the air flow channel 111 passes through the air inlet The opening 114 communicates with the outside world, and the one-way ventilation structure 170 is arranged in the airflow channel in the area between the air inlet 114 and the air hole 113 . In this embodiment, the one-way ventilation structure 170 is an air circuit one-way valve. Specifically, the one-way ventilation structure 115 is used to prevent the hot air from being exhausted from the ventilation hole, and being discharged back to the outside through the airflow channel 111 .

In the embodiment of the present application, by setting the one-way ventilation structure 170 at the air inlet 114, the air can only enter the airflow channel 111 from the outside, and cannot flow out to the external environment through the air inlet 114 in reverse, so as to ensure that the air is heated. During circulation, the hot air will not leak out, so as to prevent the heat loss of the air in the casing 110 . When the user inhales the aerosol, a suction force is applied to the aerosol generating product 200, and the hot air in the gas heating chamber 112 is sucked into the aerosol generating product 200 under the action of suction, so that the air pressure in the airflow channel 111 and the gas heating chamber 112 is lower than that of the outside world. Air pressure, under the action of the air pressure difference, the air can enter the air flow channel 111 through the air circuit check valve, and then enter the gas heating chamber 112 . When the user stops inhaling the aerosol, the air pressure of the airflow channel 111 and the gas heating chamber 112 in the casing 110 is equal to the outside air pressure, and the air can circulate in the airflow channel 111 and the gas heating chamber 112 . In this embodiment, the airflow channel 111 includes an air inlet section located between the air inlet 114 and the air hole 113 , and the one-way ventilation structure 115 is on the air inlet section and is arranged close to the air inlet 114 . In some other embodiments, the gas path check valve can also be set at any position of the air intake section, as long as it can prevent the gas from flowing from the vent hole 113 to the outside.

In other embodiments, the one-way ventilation structure 115 may also be arranged on the air inlet 114 .

In one embodiment, a gas path check valve can also be set on the vent hole 113, so that the gas can only be discharged from the gas heating chamber 112 to the air flow channel 111 through the vent hole, so as to prevent the unheated air entering from the outside from flowing backward through the vent hole 113 Enter the gas heating chamber 112 .

In some embodiments, the gas flow channel 111 and the gas heating chamber 112 can be integrally formed inside the casing 110 to form two separated gas flow spaces, or can be installed inside the casing 110 through a hardware structure so that the inside of the casing 110 Separated into two gas flow spaces. The present application does not specifically limit the configuration of the gas flow channel 111 and the gas heating chamber 112 .

In one embodiment, the aerosol generating device further includes a control module 150 and a power supply assembly 160, the control module 150 and the power supply assembly 160 are both arranged in the housing 110, the control module 150 is connected to the power supply assembly 160, the control module 150 is connected to the heating element 120 , gas drive mechanism connection. The power supply assembly 160 is used to supply power to the heating element 120 and the gas driving mechanism. The control module 150 is used to control the opening and closing of the heating element 120 and the gas driving mechanism.

In one embodiment, the aerosol generating device further includes a temperature sensor (not shown in the figure), and the temperature sensor is arranged between the bracket 130 and the heating element 120, and is used to detect that the gas entering the bracket 130 after being heated by the heating element temperature of the air. The temperature sensor is connected with the control module 150 , and the control module 150 is used for regulating the power output to the heating element 120 according to the temperature of the air, so as to realize the adjustment of the temperature of the heating element 120 .

In one embodiment, bracket 130 is made of thermally conductive material. In this embodiment, the part of the bracket 130 located in the gas heating cavity 112 is made of heat-conducting material.

In one embodiment, an air inlet is provided at one end of the bracket close to the airflow driving mechanism, and a vent hole is provided on the side wall of the bracket, and the accommodating cavity communicates with the gas heating chamber through the gas inlet and the vent hole, so that the air in the gas heating chamber After entering the aerosol generating substrate in the containing cavity from the gas inlet, it is discharged into the gas heating cavity through the vent hole. On the one hand, the hot air can conduct heat to the aerosol generating substrate through the solid contact of the bracket to realize preheating; The sol undergoes gas contact preheating of the substrate. Further, the air holes can be arranged corresponding to the air holes, so that after the gas is discharged from the air holes, it is directly discharged into the airflow channel from the air holes.

It can be understood that, in order to cooperate with the ventilation holes on the side wall of the bracket to realize the circulation of hot air during preheating, the side walls of the aerosol generating substrate may also be provided with corresponding ventilation holes, or the aerosol generating substrate The side wall of the corresponding area can be made of breathable material, so as to facilitate hot air to enter the ventilation hole on the side wall of the bracket from the aerosol generating substrate.

Specifically, the bottom of the bracket 130 is located in the gas heating cavity 112 , and the top of the bracket 130 is connected to the casing 110 . A heat conducting section is provided at an end of the receiving chamber of the bracket 130 near the bottom of the bracket 130 . The side wall of the heat conduction section of the accommodation cavity is made of materials with good heat conduction properties such as ceramics or metals. The side wall of the heat-conducting section of the housing cavity is located between the heating element 120 and the vent hole 113. After the air is heated by the heating element 120, it contacts the side wall of the heat-conducting section of the housing cavity and is discharged from the vent hole 113 to the airflow channel 111. The heat conduction of the housing cavity The sidewall of the section can exchange heat with the hot air, and the temperature of the sidewall of the heat-conducting section of the accommodation chamber rises, so that the aerosol generating substrate 210 in the accommodation chamber contacts the sidewall of the preheating section of the accommodation chamber to realize preheating. During the user's inhalation process, the heat-conducting section can also realize auxiliary heating of the aerosol-generating substrate through contact with the aerosol-generating substrate.

It should be noted that the part of the bracket located in the gas containing chamber is the part of the bracket that houses the aerosol generating substrate.

In some embodiments, the bracket 130 can be fixedly installed inside the housing, or detachably installed inside the housing, so that the bracket 130 can be replaced.

Based on the above-mentioned aerosol generating device 100, an embodiment of the present application also provides an aerosol generating system, the aerosol generating system includes an aerosol generating product 200 and the aerosol generating device 100 as described in any of the above embodiments, the The aerosol generating article 200 can be plugged into the bracket 130 of the aerosol generating device 100 .

Referring to FIG. 6, the third embodiment provided by the present invention, in this embodiment, the aerosol generating product 200 includes an aerosol generating substrate 210, a filter 230 and a transition layer arranged between the aerosol generating substrate 210 and the filter 230 220, the transition layer 220 is arranged downstream of the aerosol generating substrate 210, the filter 230 is arranged downstream of the transition layer 220, when the aerosol generating product is inserted into the bracket 130 of the aerosol generating device 100, the aerosol generating substrate 210 is attached to the bracket 130 located between the air hole 113 and the heating element 120 .

Specifically, after the aerosol generating base material 210 is in contact with the side wall of the preheating section of the housing chamber, the heat of the side wall of the preheating section of the housing chamber can be conducted to the aerosol generating base material 210, so as to control the aerosol generating base material. The material 210 is heated, so that the aerosol-generating base material 210 can be preheated in advance when the user is not inhaling.

In this embodiment, the transition layer 220 is a cooling layer. Specifically, a cooling element is provided in the cooling layer to cool down the aerosol flowing out from the aerosol generating substrate 210 .

In some other embodiments, the transition layer 220 is provided with fragrance capsules, so that when the aerosol flows through the transition layer 220, the fragrance capsules can release fragrance into the aerosol, so that the aerosol has different fragrances to meet the tastes of different users need.

Apparently, the embodiments described above are only some of the embodiments of the present application, not all of them. The drawings show preferred embodiments of the present application, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features . All equivalent structures made using the contents of the description and drawings of this application, directly or indirectly used in other related technical fields, are also within the scope of protection of this application.

Claims

An aerosol generating device is characterized in that it comprises:

Shell, heating element, bracket and airflow driving mechanism;

The housing is provided with an air flow passage and a gas heating chamber, the air flow passage communicates with the outside world, the air intake passage of the gas heating chamber communicates with the air flow passage, and the side wall of the gas heating chamber is provided with ventilation holes. The gas heating chamber is communicated with the airflow channel through the vent hole;

At least a part of the bracket is arranged in the gas heating chamber, the heating element is arranged in the gas heating chamber, and is located between the air inlet channel of the gas heating chamber and the bracket, the the carrier is provided with a housing chamber for housing an aerosol-generating article, the housing chamber being in communication with the gas heating chamber;

The airflow driving mechanism is installed in the gas heating chamber, the airflow driving mechanism is used to drive air from the airflow channel into the gas heating chamber, and make the air in the gas heating chamber pass through the heating element in sequence and the bracket, it is discharged from the air hole to the airflow channel.
The aerosol generating device according to claim 1, wherein the airflow driving mechanism is a fan, the air intake channel of the gas heating chamber is located on the air intake side of the fan, and the bracket is arranged on the air intake side of the fan. The air outlet side of the fan.
The aerosol generating device according to claim 1, further comprising a one-way ventilation structure, the casing is provided with an air inlet, and the airflow channel communicates with the outside through the air inlet, and the unidirectional The directional ventilation structure is arranged on the air flow channel in the area between the air inlet and the air hole, or the one-way ventilation structure is arranged on the air inlet.
The aerosol generating device according to claim 3, wherein the one-way ventilation structure is an air circuit one-way valve.
The aerosol generating device according to claim 1, further comprising a control module and a power supply assembly, both of the control module and the power supply assembly are arranged in the housing, and the control module and the power supply assembly connected, the control module is connected with the heating element and the gas driving mechanism.
The aerosol generating device according to claim 5, further comprising: a temperature sensor, the temperature sensor is arranged between the bracket and the heating element, and is used to detect the heating from the heating element. The temperature of the air that enters the bracket; the temperature sensor is connected to the control module, and the control module is used to regulate the power output to the heating element according to the temperature of the air, so as to realize the control of the heating regulation of body temperature.
The aerosol generating device according to claim 1, wherein the bracket is made of thermally conductive material.
The aerosol generating device according to claim 1, wherein the part of the bracket located in the gas heating chamber is made of heat-conducting material.
The aerosol generating device according to claim 1, wherein an air inlet is provided at one end of the bracket close to the airflow driving mechanism, and an air hole is opened on the side wall of the bracket, and the accommodating cavity The air in the gas heating chamber is communicated with the gas heating chamber through the air inlet and the air hole, so that the air in the gas heating chamber enters the aerosol generating substrate in the accommodating chamber from the air inlet, and is discharged from the air hole to the gas heating chamber.
The aerosol generating device according to claim 9, characterized in that, the bottom of the bracket is located in the gas heating chamber, and the top of the bracket is connected to the housing; the accommodating chamber of the bracket A heat conduction section is provided near the bottom end of the bracket; a side wall of the heat conduction section of the accommodating chamber is located between the heating element and the ventilation hole.
An aerosol generating system, characterized by comprising an aerosol generating product and the aerosol generating device according to claim 1, the aerosol generating product can be plugged into the bracket of the aerosol generating device.
The aerosol generating system according to claim 11, wherein the aerosol generating product comprises an aerosol generating substrate, a filter, and a transition layer disposed between the aerosol generating substrate and the filter, so The transition layer is arranged downstream of the aerosol generating substrate, the filter is arranged downstream of the transition layer, and when the aerosol generating product is inserted into the bracket of the aerosol generating device, the aerosol The base material is attached to the bracket located between the air hole and the heating element.
The aerosol generating system according to claim 12, wherein the transition layer is a cooling layer.
The aerosol generating device according to claim 11, wherein an air inlet is provided at an end of the bracket close to the airflow driving mechanism, a vent hole is opened on the side wall of the bracket, and the accommodating cavity The air in the gas heating chamber is communicated with the gas heating chamber through the air inlet and the air hole, so that the air in the gas heating chamber enters the aerosol generating substrate in the accommodating chamber from the air inlet, and is discharged from the air hole To the gas heating chamber; the side wall of the aerosol generating substrate is also correspondingly provided with ventilation holes.
The aerosol generating device according to claim 11, wherein an air inlet is provided at an end of the bracket close to the airflow driving mechanism, a vent hole is opened on the side wall of the bracket, and the accommodating cavity The air in the gas heating chamber is communicated with the gas heating chamber through the air inlet and the air hole, so that the air in the gas heating chamber enters the aerosol generating substrate in the accommodating chamber from the air inlet, and is discharged from the air hole To the gas heating cavity; the side wall of the corresponding area of the aerosol generating substrate is made of breathable material.
The aerosol generating system according to claim 11, wherein the air flow driving mechanism is a fan, the air intake channel of the gas heating chamber is located at the air intake side of the fan, and the bracket is arranged on the air intake side of the fan. The air outlet side of the fan.
The aerosol generating system according to claim 11, further comprising a one-way ventilation structure, the housing is provided with an air inlet, the air flow channel communicates with the outside through the air inlet, and the unidirectional The directional ventilation structure is arranged on the air flow channel in the area between the air inlet and the air hole, or the one-way ventilation structure is arranged on the air inlet.
The aerosol generating system according to claim 11, wherein the one-way ventilation structure is an air circuit one-way valve.
The aerosol generating system according to claim 11, further comprising a control module and a power supply assembly, the control module and the power supply assembly are both arranged in the housing, and the control module and the power supply assembly connected, the control module is connected with the heating element and the gas driving mechanism.
The aerosol generating system of claim 11, wherein the bracket is made of a thermally conductive material.