CN113925230A

CN113925230A - Aerosol generating article and aerosol generating system

Info

Publication number: CN113925230A
Application number: CN202111188953.1A
Authority: CN
Inventors: 廖振龙; 牛彦明; 张森林
Original assignee: Shenzhen Woody Vapes Technology Co Ltd
Current assignee: Shenzhen Woody Vapes Technology Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-01-14
Also published as: WO2023060930A1

Abstract

The embodiment of the application belongs to the technical field of aerosol generation, and relates to an aerosol generation product and an aerosol generation system. The aerosol generating product comprises an aerosol generating part, a cooling element and a suction nozzle, wherein the aerosol generating part is connected with the cooling element, and the suction nozzle is connected to one end of the cooling element, which is far away from the aerosol generating part; the cooling element is provided with a first aerosol channel and a second aerosol channel, the second aerosol channel is located at the downstream of the first aerosol channel, the first aerosol channel is in butt joint with the aerosol generating part, the second aerosol channel is in butt joint with the suction nozzle, so that aerosol formed by the aerosol generating part sequentially passes through the first aerosol channel and the second aerosol channel and then enters the suction nozzle and is discharged outwards, and a first air outlet one-way valve is arranged between the first aerosol channel and the second aerosol channel. The technical scheme that this application provided can inhale the clearance at the user, stays aerosol in first aerosol passageway and aerosol generation portion, prevents that the heat from running off.

Description

Aerosol generating article and aerosol generating system

Technical Field

The present application relates to the field of aerosol-generating technology, and more particularly, to an aerosol-generating article and an aerosol-generating system.

Background

An aerosol-generating article is a product that is heated to cause an aerosol-generating substrate to generate an aerosol that is then discharged for consumption by a user.

The existing aerosol generating product directly discharges the formed aerosol outwards, and when a user does not suck the aerosol, the aerosol can also leak out from a suction nozzle of the aerosol generating product, so that the loss of the aerosol of an aerosol generating part is caused, and meanwhile, the loss of heat of the aerosol generating part is also caused, so that the low atomization amount of the aerosol generating product is caused, and the user experience is poor.

Disclosure of Invention

A technical problem to be solved by embodiments of the present application is that existing aerosol-generating articles are prone to heat loss.

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

the aerosol-generating article comprising:

an aerosol generating part, a cooling element and a suction nozzle,

the aerosol generating part is connected with the cooling element, and the suction nozzle is connected to one end, far away from the aerosol generating part, of the cooling element;

the cooling element is provided with a first aerosol channel and a second aerosol channel, the second aerosol channel is located at the downstream of the first aerosol channel, the first aerosol channel is in butt joint with the aerosol generating part, the second aerosol channel is in butt joint with the suction nozzle, so that aerosol formed by the aerosol generating part sequentially enters the suction nozzle and is discharged outwards after passing through the first aerosol channel and the second aerosol channel, a first air outlet one-way valve is arranged between the first aerosol channel and the second aerosol channel, and the first air outlet one-way valve is used for controlling communication and partition of the first aerosol channel and the second aerosol channel.

Further, aerosol generation portion includes aerosol and takes place substrate and heat-generating body, the heat-generating body with substrate contact takes place for the aerosol, the heat-generating body is used for right the substrate takes place for the aerosol heats in order to generate aerosol, the heat-generating body with the cooling element is connected, makes aerosol get into in proper order first aerosol passageway with in the second aerosol passageway.

Further, still include the shell, aerosol generation portion with the cooling element all sets up in the shell, at least a part of first aerosol passageway by the shell with the lateral wall of cooling element encloses to close and forms.

Further, the heat-generating body is equipped with the inner chamber that the aerosol passes through, the bleeder vent has been seted up to the lateral wall of inner chamber, the heat-generating body is kept away from the one end of cooling element is sealed setting, the cooling element with the substrate connection takes place for the aerosol, first aerosol passageway with the inner chamber intercommunication makes the aerosol that forms after the substrate heating takes place for the aerosol follows the bleeder vent gets into in proper order the inner chamber with in the first aerosol passageway.

Further, the heat-generating body is equipped with the inner chamber with external intercommunication, the bleeder vent has been seted up to the lateral wall of inner chamber, aerosol takes place the substrate with first aerosol passageway butt joint, aerosol takes place the substrate and keeps away from the one end of cooling element is sealed setting, the heat-generating body with the one end that the cooling element is connected is sealed setting, makes the air admission after inner chamber heating formation hot air, through the bleeder vent gets into inside the substrate takes place for the heating aerosol takes place the substrate and forms aerosol, and aerosol follows the substrate gets into take place for aerosol first aerosol passageway.

Further, aerosol generation portion still includes the heat pipe, the heat pipe is connected in the inner chamber, be equipped with the first gas passage with external intercommunication in the heat pipe, the heat pipe with interval region between the lateral wall of inner chamber forms second gas passage, the heat-generating body with the one end of heat pipe all with the cooling component is connected, first gas passage with second gas passage intercommunication, the heat-generating body is kept away from the one end of cooling component is sealed setting, makes the air get into in proper order first gas passage with behind the second gas passage, through the bleeder vent gets into inside the substrate takes place for the aerosol.

Further, the aerosol generating device further comprises an air-permeable adsorption member which is arranged at the upstream of the aerosol generating part.

Further, the first air outlet one-way valve is a silica gel valve.

Furthermore, the side wall of the first aerosol channel and the side wall of the second aerosol channel are both provided with a convex structure.

Furthermore, the second aerosol channel is located in the cavity inside the cooling element, and the first air outlet one-way valve is arranged at the air inlet end of the second aerosol channel.

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

the aerosol-generating system comprising an aerosol-generating device comprising a housing, an induction coil, a power supply and a control circuit board, and an aerosol-generating article according to any preceding aspect;

the induction coil, the power supply and the control circuit board are all arranged inside the shell, the power supply is connected with the control circuit board, the control circuit board is connected with the induction coil, and the aerosol generating part of the aerosol generating product can be inserted into the shell;

when the aerosol generating product is inserted into the shell, the induction coil is arranged outside the aerosol generating part of the aerosol generating product in a surrounding mode, the aerosol generating part comprises an aerosol generating substrate and a heating body, the outer side of the heating body is in contact with the aerosol generating substrate, and the heating body is made of metal materials.

Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:

this application is through setting up first check valve of giving vent to anger between first aerosol passageway and second aerosol passageway, make aerosol when the user inhales, can supply the user to eat to the outside discharge under the suction effect, inhale the clearance at the user, stay aerosol in first aerosol passageway and aerosol generation portion through first check valve of giving vent to anger, thereby make the aerosol that has formed in aerosol generation portion still remain in aerosol generation portion, can not cause loss and the waste of aerosol, prevent the heat loss that the aerosol flows and leads to, play the effect of heat storage, guarantee that the user has higher heat in aerosol generation portion when inhaling, thereby improve atomizing volume and optimize user's use impression.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Figure 1 is a cross-sectional view of an aerosol-generating article according to an embodiment of the present invention, showing a first outlet check valve in an open position, in which the arrows indicate the direction of flow of the gas stream;

figure 2 is a cross-sectional view of the aerosol-generating article of figure 1 showing the first outlet check valve in a closed position, in which the arrows indicate the direction of flow of the gas stream;

figure 3 is a cross-sectional view of an aerosol-generating article according to embodiment two of the present invention, showing a first outlet check valve in an open position, in which the arrows indicate the direction of flow of the gas stream;

figure 4 is a cross-sectional view of the aerosol-generating article of figure 3 showing the first outlet check valve in a closed position, in which the arrows indicate the direction of flow of the gas stream;

figure 5 is a cross-sectional view of a temperature reducing element in the aerosol-generating article of figure 3;

FIG. 6 is a schematic top view of the cooling element shown in FIG. 5;

figure 7 is a cross-sectional view of an aerosol-generating article according to a third embodiment of the present invention, showing a first outlet check valve in an open position, in which the arrows indicate the direction of flow of the gas stream;

figure 8 is a cross-sectional view of the aerosol-generating article of figure 7 showing the first outlet check valve in a closed position, in which the arrows indicate the direction of flow of the gas stream;

figure 9 is a cross-sectional view of an aerosol-generating article according to a fourth embodiment of the present invention, the first outlet check valve being shown in an open position, in which the arrows indicate the direction of flow of the gas stream;

figure 10 is a cross-sectional view of the aerosol-generating article of figure 9 showing the first outlet check valve in a closed position, in which the arrows indicate the direction of flow of the gas stream;

figure 11 is a cross-sectional view of a cooling element in the aerosol-generating article of figure 9;

FIG. 12 is a perspective view of the cooling element of FIG. 11;

figure 13 is a cross-sectional view of an aerosol-generating system according to a fifth embodiment of the present invention, in which the arrows in the aerosol-generating system indicate the direction of flow of air.

Reference numerals:

100. an aerosol-generating article; 110. an aerosol-generating unit; 111. an aerosol-generating substrate; 112. a heating element; 1121. an inner cavity; 1122. air holes are formed; 113. a heat conducting pipe; 1131. a first gas passage; 1132. a second gas passage; 120. a temperature reducing element; 121. a first aerosol channel; 122. a second aerosol passage; 123. a first air outlet one-way valve; 124. an aerosol collection chamber; 130. a suction nozzle; 140. a breathable absorbent member; 150. sealing the silica gel; 160. a housing;

200. a housing; 300. an induction coil; 400. a bracket; 500. a magnetic shield plate; 600. a battery; 700. a control circuit board; 800. a charging circuit board; 900. an intake passage.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular 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 application. The appearances of the 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 explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Embodiments provide an aerosol-generating article 100, the aerosol-generating article 100 comprising an aerosol-generating portion 110, a cooling element 120 and a mouthpiece 130. The aerosol-generating portion 110 is connected to the cooling element 120, and the mouthpiece 130 is connected to an end of the cooling element 120 remote from the aerosol-generating portion 110. The cooling element 120 is provided with a first aerosol channel 121 and a second aerosol channel 122, the second aerosol channel 122 is located at the downstream of the first aerosol channel 121, the first aerosol channel 121 is in butt joint with the aerosol generating part 110, the second aerosol channel 122 is in butt joint with the suction nozzle 130, so that aerosol formed by the aerosol generating part 110 sequentially passes through the first aerosol channel 121 and the second aerosol channel 122 and then enters the suction nozzle 130 and is discharged outwards, a first air outlet one-way valve 123 is arranged between the first aerosol channel 121 and the second aerosol channel 122, and the first air outlet one-way valve 123 is used for controlling communication and partition of the first aerosol channel 121 and the second aerosol channel 122.

It will be appreciated that the thermal storage aerosol-generating article operates on the following principle:

the heating element 112 contacts with the aerosol generating substrate 111 to heat the aerosol generating substrate 111, the aerosol generating substrate forms aerosol after being heated, when a user sucks the aerosol, suction force is applied to the aerosol generating product, at the moment, the first air outlet one-way valve 123 is in an open state under the action of air pressure difference, so that the aerosol enters the first aerosol channel 121 from the aerosol generating part 110, enters the second aerosol channel 122 through the first air outlet one-way valve 123, and then enters the suction nozzle 130 to be discharged outwards for the user to suck; in the gap when the user sucks the aerosol, the aerosol-generating article is not subjected to the suction of the user, at this time, the first air outlet check valve 123 is in the closed state, the first aerosol channel 121 and the second aerosol channel 122 are separated, the aerosol formed by the aerosol-generating substrate is blocked in the aerosol-generating portion 110 and the first aerosol channel 121, and the aerosol is prevented from flowing out through the second aerosol channel 122 in the gap when the user sucks, so that the aerosol formed in the aerosol-generating portion 110 is still retained in the aerosol-generating portion 110, the loss and waste of the aerosol are not caused, the heat loss of the aerosol-generating portion 110 is reduced, the aerosol-generating portion 110 is subjected to a temperature storage effect, a high temperature can be ensured to be maintained in the aerosol-generating portion 110, and the atomization amount of the aerosol-generating article is further increased.

In summary, the thermal aerosol-generating article has at least the following technical effects compared to the prior art:

this application is through setting up first check valve 123 of giving vent to anger between first aerosol passageway 121 and second aerosol passageway 122, make aerosol when the user inhales, can supply the user to eat to the outside discharge under the suction effect, inhale the clearance at the user, stay aerosol in first aerosol passageway 121 and aerosol generation portion 110 through first check valve 123 of giving vent to anger, prevent the heat loss that the aerosol outflow leads to, play the effect of heat storage, guarantee that the user is when inhaling, there is higher heat in aerosol generation portion 110, thereby improve atomizing volume and optimize user's use impression.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Embodiment one of the present application

In this embodiment, the aerosol generating portion 110 includes an aerosol generating substrate 111 and a heating element 112, the heating element 112 is in contact with the aerosol generating substrate 111, the heating element 112 is used for heating the aerosol generating substrate 111 to generate aerosol, and the heating element 112 is connected to the temperature reducing element 120, so that the aerosol sequentially enters the first aerosol passage 121 and the second aerosol passage 122.

In this embodiment, the outer side of the heating element 112 is in contact with the aerosol-generating substrate 111. In other embodiments, the aerosol-generating substrate 111 may be filled inside the heat-generating body 112 to contact the heat-generating body 112. It is to be understood that the contact form of the heating element 112 and the aerosol-generating substrate 111 is not particularly limited in the present application as long as the heat transfer of the heating element 112 to the aerosol-generating substrate 111 can be achieved.

In other embodiments, the aerosol-generating unit 110 may omit a heat generating element, and the aerosol-generating product with the aerosol-generating substrate 111 may be inserted into an external heat generating device to generate an aerosol.

The aerosol-generating article 100 further comprises a housing 160, the aerosol-generating portions 110 of the cooling element 120 are all disposed in the housing 160, the first aerosol channel 121 and the second aerosol channel 122 are both located in the cooling element 120, the outer side wall of the cooling element 120 is attached to the housing 160, when the aerosol passes through the first aerosol channel 121 and the second aerosol channel 122, the heat of the aerosol can be conducted to the cooling element 120, the cooling element 120 is attached to the housing 160, the heat is conducted to the housing 160, the heat is radiated to the air through the housing 160, and therefore the cooling of the aerosol is achieved.

In other embodiments, the temperature reducing element 120 may not be disposed in the housing 160, and the outer sidewall of the temperature reducing element 120 is not attached to the housing 160, but is directly exposed to the external environment, and the first aerosol passage 121 and the second aerosol passage 122 are both located in the cavity inside the temperature reducing element 120, so that the heat absorbed by the sidewall of the first aerosol passage 121 and the sidewall of the second aerosol passage 122 can be directly dissipated to the external air through the temperature reducing element 120.

In this embodiment, the casing 160 may be made of paper or other insulating and non-magnetic high-temperature-resistant materials.

In this embodiment, the heating element 112 is provided with an inner cavity 1121 through which aerosol passes, the side wall of the inner cavity 1121 is provided with air vents 1122, one end of the heating element 112 away from the temperature reduction element 120 is hermetically disposed, the temperature reduction element 120 is connected to the aerosol generation substrate 111, and the first aerosol channel 121 is communicated with the inner cavity 1121, so that aerosol formed after the aerosol generation substrate 111 is heated sequentially enters the inner cavity 1121 and the first aerosol channel 121 through the air vents 1122.

In this embodiment, when a user inhales an aerosol, the aerosol-generating portion 110 is ventilated to the outside through one end of the aerosol-generating substrate 111 away from the cooling element 120, so that the internal gas of the aerosol-generating article flows. The outside of the heating element 112 is in contact with the aerosol-generating substrate 111 to heat the aerosol-generating substrate 111, thereby generating an aerosol. The aerosol generated in the aerosol generating substrate 111 enters the inner cavity 1121 through the air holes 1122 to realize centralized guiding, the centralized aerosol flows to the first aerosol channel 121 under the action of suction force, and when the first air outlet one-way valve 123 is in an open state, the aerosol continues to flow to the second aerosol channel 122 under the action of suction force, and is discharged outwards through the suction nozzle 130.

In this embodiment, a sealing silica gel 150 is disposed at an end of the heating element 112 away from the cooling element 120. The outer side of the sealing silica gel 150 is attached to the side wall of the inner cavity 1121 to prevent external air from directly entering the inner cavity 1121 to affect the atomization effect.

In other embodiments, an air inlet check valve may be further disposed at one end of the aerosol generating substrate 111 far from the cooling element 120, so that air can only enter the aerosol generating substrate 111 from the outside, but cannot be discharged to the outside from one end of the aerosol generating substrate 111 far from the cooling element 120, thereby further preventing loss of aerosol and improving the temperature storage effect.

In this embodiment, the first outlet check valve 123 is a silica gel valve. In this embodiment, the cooling element is made of a silica gel material, and specifically can be a heat-conducting silica gel material. The silica gel valve and the cooling element 120 made of silica gel material are an integrated structure. The bottom of the cooling element 120 is attached to the top end of the aerosol-generating substrate 111 to seal the top end of the aerosol-generating substrate 111, so that the aerosol generated in the aerosol-generating substrate 111 can enter the inner cavity 1121 of the heating element 112 only through the air holes 1122, thereby realizing concentrated discharge of the aerosol.

In this embodiment, the hole passage of the air hole 1122 is obliquely arranged, and the distance from the air outlet of the hole passage of the air hole 1122 to the end of the heating element 112 close to the cooling element 120 is smaller than the distance from the air inlet of the hole passage of the air hole 1122 to the end of the heating element 112 close to the cooling element 120.

In this embodiment, the aerosol formed in the aerosol generating portion 110 flows from bottom to top in the inner cavity 1121 toward the first outlet check valve 123, so the outlet of the duct of the air vent 1122 is located at the end of the duct of the air vent 1122 away from the aerosol generation substrate 111, and the inlet of the duct of the air vent 1122 is located at the end of the duct of the air vent 1122 close to the aerosol generation substrate 111. In this embodiment, the height of the end of the pore channel of the air hole 1122 close to the aerosol generating substrate 111 is lower than the height of the end of the pore channel of the air hole 1122 away from the aerosol generating substrate 111, so that the two ends of the pore channel of the air hole are not at the same height, and the aerosol flows obliquely upward when flowing in the air hole 1122, so that the aerosol can more smoothly enter the inner cavity 1121.

In this embodiment, the air vents 1122 are arranged in a first direction on the heating element 112, and the first direction is parallel to the flow direction of the aerosol in the aerosol-generating substrate 111. Specifically, since the aerosol flows from bottom to top in the inner cavity 1121, the ventilation holes 1122 are distributed in the longitudinal direction on the heating element 112, so that the aerosol generated in each region of the aerosol-generating substrate 111 can enter the inner cavity 1121.

In this embodiment, the diameter of the air inlet of the air hole 1122 is larger than the diameter of the air outlet of the air hole 1122. The larger air inlets of the air holes 1122 allow the larger area of the aerosol-generating substrate 111 covered by the air holes 1122, and a larger range of aerosols can be collected.

In this embodiment, the air holes 1122 are circular holes. In other embodiments, the air holes 1122 may be one or more of circular holes, elliptical holes, triangular holes, polygonal holes and irregular holes. The above-mentioned shape of the ventilation holes 1122 specifically refers to the cross-sectional shape of the channels of the ventilation holes 1122.

It should be noted that a plurality of air holes 1122 are formed in the side wall of the heating element 112 to ensure that the aerosol can enter the inner cavity 1121 in time. Wherein, the plurality of air holes 1122 may be unified into one of a circular hole, an elliptical hole, a triangular hole, a polygonal hole and an opposite-type hole; it is also possible to combine the ventilation holes 1122 of different shapes on one heating body 112. The above-mentioned shape of the ventilation holes 1122 specifically refers to the cross-sectional shape of the channels of the ventilation holes 1122.

In this embodiment, the aerosol-generating article 100 further includes an air-permeable adsorbing member 140, and the air-permeable adsorbing member 140 is disposed upstream of the aerosol-generating portion 110, and is configured to filter air entering the aerosol-generating substrate 111, and adsorb tar and carbide formed by heating the aerosol-generating substrate 111, thereby preventing impurities from overflowing.

In this embodiment, the side wall of the first aerosol passage 121 and the side wall of the second aerosol passage 122 are both provided with a protruding structure, so that the contact area between the aerosol and the cooling element 120 is increased, and the cooling efficiency of the aerosol is improved.

In other embodiments, a second air outlet one-way valve may be further disposed between the aerosol generating unit 110 and the temperature reduction element 120, so that the problem of temperature decrease in the aerosol generating unit 110 caused by the aerosol that has entered the temperature reduction element 120 to achieve temperature reduction flowing back into the aerosol generating unit 110 can be prevented, and a high temperature can be maintained in the aerosol generating unit 110.

In this embodiment, the heating element 112 is made of a metal material, so that when the heating element 112 is located in the electromagnetic induction region of the induction coil, the heating element 112 can receive the power transmitted by the induction coil and generate heat under the action of electromagnetic induction, so as to heat the aerosol generation substrate 111 directly contacting the heating element 112 and the air entering the inner cavity 1121.

In other embodiments, in order to adapt to different heating modes of different products, the heating element 112 may further include a heat conductor made of ceramic or other material with high thermal conductivity, and a heating wire attached to an inner wall of the heat conductor or embedded inside the heat conductor. After the heating wire is powered on, heat is conducted to the heat conductor through heating of the heating wire, so that the heating body 112 can realize self-heating.

Example two of the present application

As shown in fig. 3 to 6, the aerosol-generating article 100 further comprises a housing 160, the aerosol-generating portion 110 and the temperature reducing element 120 both being disposed within the housing 160, the spaced region between the temperature reducing element 120 and the housing 160 forming part of the first aerosol passage 121.

The aerosol generating part 110 and the temperature reducing element 120 are both disposed in the housing 160, and the present embodiment is different from the first embodiment in that a part of the first aerosol passage 121 is enclosed by the housing 160 and the outer side wall of the temperature reducing element 120, the first aerosol passage 121 of the part is abutted against the aerosol generating substrate 111, and the first aerosol passage 121 of the other part is abutted against the heating element 112, so that the aerosol can flow out from the aerosol generating substrate 111 to the first aerosol passage 121 between the temperature reducing element 120 and the housing 160, and can also flow out from the heating element 112 to the first aerosol passage 121 inside the temperature reducing element 120.

It should be noted that other technical features of the present embodiment are the same as those of the first embodiment, and are not described herein again.

Example three of the present application

As shown in fig. 7 to 8, in the present embodiment, the aerosol-generating article 100 further comprises a housing 160, the aerosol-generating portion 110 and the temperature reducing element 120 are both disposed within the housing 160, and an outer sidewall of the temperature reducing element 120 and an inner wall of the housing 160 enclose to form the first aerosol channel 121.

In this embodiment, the heating element 112 is provided with an inner cavity 1121 communicated with the outside, the side wall of the inner cavity 1121 is provided with air holes 1122, the aerosol generation substrate 111 is in butt joint with the first aerosol channel 121, one end of the aerosol generation substrate 111 far away from the temperature reduction element 120 is in sealing arrangement, one end of the heating element 112 close to the temperature reduction element 120 is in sealing arrangement, so that air enters the inner cavity 1121 to be heated to form hot air, and then enters the aerosol generation substrate 111 through the air holes 1122 to heat the aerosol generation substrate 111 to form aerosol, and the aerosol enters the first aerosol channel 121 from the aerosol generation substrate 111.

The present embodiment is different from the first and second embodiments in that in the present embodiment, the inner cavity 1121 of the heating element 112 is communicated with the outside, one end of the aerosol generation substrate 111 far from the temperature reduction element 120 is provided in a sealed manner, and the end of the heating element 112 connected to the temperature reduction element 120 is provided in a sealed manner, so that air firstly enters the inner cavity 1121 of the heating element 112 to be heated to form hot air, and then is discharged into the aerosol generation substrate 111 through the air holes 1122, and the aerosol generation substrate 111 can be sufficiently heated by heating the heating element 112 in contact with the solid of the aerosol generation substrate 111 in combination with gas contact heating performed on the aerosol generation substrate 111 after the hot air enters the aerosol generation substrate 111, and forms aerosol, and the aerosol flows from the aerosol generation substrate 111 to the first aerosol passage 121.

In this embodiment, the temperature reducing element 120 is tightly fitted in the inner cavity 1121 of the heating element 112 to seal one end of the heating element 112, so that the aerosol can only enter the first aerosol passage 121 from the aerosol generating substrate 111. The portion of the first aerosol passage 121 abutting against the aerosol generating substrate 111 is formed by enclosing an outer sidewall of the temperature reducing element 120 and an inner wall of the housing 160.

In this embodiment, a part of the first aerosol channel 121 is located outside the temperature reducing element 120, the second aerosol channel 122 is located in a cavity inside the temperature reducing element 120, and the first air outlet check valve 123 is disposed at an air inlet end of the second aerosol channel 122. Specifically, the second aerosol passage 122 is located inside the cooling element 120, so that the aerosol can be collected after entering the second aerosol passage 122, the aerosol discharged outwards can be concentrated, and the mouth feel of the smoker can be improved. The first air outlet one-way valve 123 is disposed at the air inlet end of the second aerosol passage 122, that is, the first air outlet one-way valve 123 is also disposed in the cavity inside the temperature reducing element 120, so that the aerosol entering the second aerosol passage 122 from the first aerosol passage 121 can be centrally controlled.

In this embodiment, an aerosol collecting cavity 124 is further disposed in the cooling element 120, the aerosol collecting cavity 124 is communicated with the first aerosol channel 121, and the first air outlet check valve 123 is disposed between the aerosol collecting cavity 124 and the second aerosol channel 122 to control communication and partition between the aerosol collecting cavity 124 and the second aerosol channel 122. When a user inhales, the first air outlet one-way valve 123 is opened, and the aerosol collection cavity 124 is communicated with the second aerosol channel 122, that is, the first aerosol channel 121 is communicated with the second aerosol channel 122; in the interval of user's smoking, the first air outlet check valve 123 is closed, the aerosol collecting cavity 124 and the second aerosol passage 122 are isolated, no gas exchange occurs, that is, the first aerosol passage 121 and the second aerosol passage 122 are isolated, and the aerosol is left in the aerosol collecting cavity 124, the first aerosol passage 121 and the aerosol generating part 110, playing a role of storing temperature.

In this embodiment, the sealing silica gel 150 is disposed at an end of the aerosol generating substrate 111 away from the cooling element 120.

In some embodiments, an air inlet check valve may be further disposed at an end of the heat generating element 112 away from the temperature reducing element 120, so that air can only enter the inner cavity 1121 of the heat generating element 112 from the outside, but cannot reversely flow out of the inner cavity 1121 of the heat generating element 112.

In this embodiment, the air vents 1122 are arranged in the longitudinal direction on the heating element 112. The apertures of the ventilation holes 1122 arranged in the longitudinal direction are different in size, so that the air is discharged at different positions of the heating element 112 at different rates when flowing through the inner cavity 1121, thereby ensuring that the air can be discharged into the aerosol generation substrate 111 at different positions of the heating element 112 in the longitudinal direction, and ensuring that the aerosol generation substrate 111 in each region in the longitudinal direction can be soaked by the hot air.

In this embodiment, the air holes 1122 are not uniformly distributed in the longitudinal direction. Specifically, the interval between the ventilation holes 1122 near the bottom of the heating element 112 is smaller than the interval between the ventilation holes 1122 far from the bottom of the heating element 112, and the ventilation holes 1122 near the bottom of the heating element 112 are more densely distributed, so that more hot air can enter the bottom region of the aerosol-generating substrate 111 from the region near the bottom of the heating element 112.

In this embodiment, the diameter of the end of the channel of the vent 1122 near the aerosol generating substrate 111 is greater than the diameter of the end of the channel away from the aerosol generating substrate 111. Specifically, the diameter of the holes of the air holes 1122 is gradually increased along the direction of the flow of the gas through the air holes 1122 to form trumpet-shaped holes, so that the hot air can be discharged to a wider range of the aerosol-generating substrate 111.

In other embodiments, the diameter of the channels of the air-permeable holes 1122 near the end of the aerosol generating substrate 111 may be smaller than the diameter of the channels far from the end of the aerosol generating substrate 111. Specifically, the diameter of the pore passage of the air holes 1122 gradually decreases along the flowing direction of the air in the air holes 1122 to form a reverse trumpet-shaped pore passage, so that the hot air enters the air holes 1122 from the inner cavity 1121 to be gathered and then is discharged to the aerosol generating substrate 111, and the gathered hot air can more easily enter the aerosol substrate.

In this embodiment, the aerosol flows from the aerosol generation substrate 111 to the first outlet check valve 123 from bottom to top, the outlet of the duct of the air vent 1122 is located at the end of the duct of the air vent 1122 close to the aerosol generation substrate 111, and the inlet of the duct of the air vent 1122 is located at the end of the duct of the air vent 1122 far from the aerosol generation substrate 111. In this embodiment, the height of the duct of the air vent 1122 near one end of the aerosol generating substrate 111 is higher than the height of the duct of the air vent 1122 far from one end of the aerosol generating substrate 111, so that the two ends of the duct of the air vent are not at the same height, and the air vent 1122 arranged obliquely upward is formed, so that the hot air has an upward flowing direction before entering the aerosol generating substrate 111, and the air flows more smoothly.

Example four of the present application

As shown in fig. 9 to 12, the difference between the present embodiment and the third embodiment is that in the aerosol-generating article 100 provided by the present embodiment, the aerosol-generating portion 110 further includes a heat pipe 113, the heat pipe 113 is connected in the inner cavity 1121, a first gas channel 1131 communicating with the outside is provided in the heat pipe 113, a second gas channel 1132 is formed in a spacing region between the heat pipe 113 and a side wall of the inner cavity 1121, one end of each of the heating element 112 and the heat pipe 113 is connected to the temperature reducing element 120, the first gas channel 1131 communicates with the second gas channel 1132, and one end of the heating element 112 away from the temperature reducing element 120 is sealed, so that air enters the first gas channel 1131 and the second gas channel 1132 in sequence, and then enters the aerosol-generating substrate 111 through the air vents 1122.

In this embodiment, the heat transfer pipe 113 is added to the inner cavity 1121 of the heat generating element 112, so that the heating stroke of the air in the inner cavity 1121 of the heat generating element 112 is increased, and the heating stroke of the air is increased. The air sequentially enters the first gas channel 1131 and the second gas channel 1132 for heating, which increases the heating time of the air at the same flow rate, and the air can be heated as close to the desired temperature as possible, so that the air can have enough heat to soak and heat the aerosol-generating substrate 111. By increasing the heating stroke of the air, the air entering the heating channel can be preheated to a desired temperature even when the user draws forcefully to generate a larger air flow rate, and thus, the aerosol-generating article provided by the embodiment can effectively reduce the fluctuation of the air preheating temperature, so that the preheating temperature of the aerosol-generating part 110 is more stable.

In this embodiment, the heat pipe 113 may be made of metal, ceramic, glass, or other materials with high temperature resistance and high thermal conductivity.

It should be noted that other technical features of this embodiment are the same as those of the third embodiment, and are not described herein again.

Example five of the present application

As shown in fig. 13, embodiments of the present application also provide an aerosol-generating system based on the aerosol-generating article described above.

The aerosol-generating system comprises an aerosol-generating device comprising a housing 200, an induction coil 300, a power supply, a control circuit board 700, and an aerosol-generating article as described in any of the embodiments above. The induction coil 300, the power supply and the control circuit board 700 are all mounted inside the housing 200, and the aerosol-generating part 110 of the aerosol-generating article is pluggable inside the housing 200;

when the aerosol-generating product is inserted into the housing 200, the induction coil 300 is disposed around the outside of the aerosol-generating portion 110 of the aerosol-generating product, the aerosol-generating portion 110 includes an aerosol-generating substrate and a heating element, the outside of the heating element is in contact with the aerosol-generating substrate, and the heating element is made of a metal material.

It will be appreciated that the aerosol generating device operates as follows:

after the induction coil 300 is powered on, a heating body inserted into the shell 200 receives power transmitted by the induction coil 300 and generates electromagnetic induction, so that heating is started, after the heating body heats the aerosol generation substrate, the aerosol generation substrate is heated to generate aerosol, and when a user inhales, the first air outlet one-way valve 123 is opened, so that the aerosol can enter the second aerosol channel from the first aerosol channel 121 to be discharged outwards for the user to inhale; in the suction gap, the first outlet check valve 123 is closed, so that the aerosol remains in the first aerosol passage 121 and the aerosol-generating unit 110.

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

aerosol generating device carries out electromagnetic heating to the heat-generating body through induction coil 300, make the heat-generating body can heat aerosol generation substrate, set up first check valve 123 of giving vent to anger between first aerosol passageway 121 and second aerosol passageway 122, make aerosol when the user inhales, can outwards discharge the confession user under the suction effect and eat, inhale the clearance at the user, stay aerosol in first aerosol passageway 121 and aerosol generation portion 110 through first check valve 123 of giving vent to anger, can prevent that the aerosol from flowing and leading to the heat to run off, play the effect of storing up the temperature, improve atomizing volume and optimize user's use impression.

In this embodiment, the aerosol-generating device further comprises a carrier 400, the carrier 400 being mounted inside the housing 200, the carrier 400 being provided with a slot shaped to fit the shape of the aerosol-generating article, the carrier 400 being adapted to carry the aerosol-generating article inserted inside the housing 200. An air inlet passage 900 may be provided between the bracket 400 and the housing 200, an air inlet through hole being provided at the bottom of the bracket 400, the air inlet passage 900 being in communication with the slot through the air inlet through hole, such that air can pass through the air inlet passage 900 and the air inlet through hole in sequence to reach the air inlet of the aerosol-generating article. In particular, air enters the interior of the device from the air inlet passage 900 between the carrier 400 and the housing 200, then from the air inlet passage 900 into the air inlet through-hole, and finally from the air inlet through-hole into the aerosol-generating portion 110 of the aerosol-generating article located in the socket.

It is understood that, in order to improve the protection performance of the aerosol generating device such as water resistance and dust resistance, the air inlet channel 900 may not be provided between the holder 400 and the housing 200, but a gap may be formed between the slot of the holder 400 and the aerosol generating article, and the air inlet channel 900 may be formed through the gap between the slot of the holder 400 and the aerosol generating article, so that air may enter the aerosol generating portion 110 of the aerosol generating article from the outside.

In this embodiment, the aerosol generating device further includes a magnetic isolation plate 500, the magnetic isolation plate 500 is connected to the housing 200, and the magnetic isolation plate 500 is disposed between the induction coil 300 and the housing 200. The magnetic isolation plate 500 is used for isolating the induction coil 300 from the outside, and preventing the induction coil 300 from generating magnetic adsorption force on external articles when in work; the magnetic shield 500 may also be used to prevent the induction coil 300 from being affected by external objects, so that the magnetic field generated by the induction coil 300 can be more concentrated inside the aerosol generating device.

In this embodiment, the aerosol generating device further includes a charging circuit board 800, the power source is a rechargeable battery 600, the charging circuit board 800 is installed inside the housing 200, and the charging circuit board 800 is electrically connected to the power source.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. An aerosol-generating article, comprising:

an aerosol generating part, a cooling element and a suction nozzle,

the cooling element is provided with a first aerosol channel and a second aerosol channel, the second aerosol channel is located at the downstream of the first aerosol channel, the first aerosol channel is in butt joint with the aerosol generating part, the second aerosol channel is in butt joint with the suction nozzle, so that aerosol formed by the aerosol generating part sequentially passes through the first aerosol channel and enters the suction nozzle after the second aerosol channel and is discharged outwards, a first air outlet one-way valve is arranged between the first aerosol channel and the second aerosol channel, and the first air outlet one-way valve is used for controlling the communication and the partition of the first aerosol channel and the second aerosol channel.

2. An aerosol-generating article according to claim 1, wherein the aerosol-generating portion comprises an aerosol-generating substrate and a heat-generating body in contact with the aerosol-generating substrate, the heat-generating body being configured to heat the aerosol-generating substrate to generate an aerosol, the heat-generating body being connected to the temperature-reducing element to cause the aerosol to enter the first aerosol passage and the second aerosol passage in this order.

3. An aerosol-generating article according to claim 2, further comprising a housing, the aerosol-generating portion and the cooling element both being disposed within the housing, at least a portion of the first aerosol passage being enclosed by the housing and an outer sidewall of the cooling element.

4. An aerosol-generating article according to claim 2 or 3, wherein the heating element has an inner cavity for aerosol to pass through, the side wall of the inner cavity has ventilation holes, the end of the heating element away from the cooling element is sealed, the cooling element is connected to the aerosol-generating substrate, and the first aerosol passage is communicated with the inner cavity, so that aerosol formed after the aerosol-generating substrate is heated sequentially enters the inner cavity and the first aerosol passage through the ventilation holes.

5. An aerosol-generating article according to claim 3, wherein the heating element has an inner cavity communicated with the outside, the inner cavity has a side wall provided with ventilation holes, the aerosol-generating substrate is abutted to the first aerosol passage, the end of the aerosol-generating substrate away from the cooling element is sealed, the end of the heating element connected to the cooling element is sealed, so that air enters the inner cavity to be heated to form hot air, and then enters the aerosol-generating substrate through the ventilation holes to heat the aerosol-generating substrate to form aerosol, and the aerosol enters the first aerosol passage from the aerosol-generating substrate.

6. An aerosol-generating article according to claim 5, wherein the aerosol-generating portion further comprises a heat pipe connected to the inner cavity, the heat pipe is provided with a first gas passage communicated with the outside, a second gas passage is formed in a space between the heat pipe and a sidewall of the inner cavity, the heat-generating body and one end of the heat pipe are both connected to the cooling element, the first gas passage is communicated with the second gas passage, and one end of the heat-generating body, which is away from the cooling element, is sealed, so that air enters the first gas passage and the second gas passage in sequence and then enters the aerosol-generating substrate through the ventilation holes.

7. An aerosol-generating article according to claim 1, further comprising an air-permeable adsorbent member disposed upstream of the aerosol-generating portion.

8. An aerosol-generating article according to claim 1, wherein the first outlet one-way valve is a silicone valve.

9. An aerosol-generating article according to claim 1, wherein the side wall of the first aerosol channel and the side wall of the second aerosol channel are each provided with a raised structure.

10. An aerosol-generating article according to claim 1, wherein the second aerosol channel is located in a cavity inside the temperature reducing element, and the first outlet check valve is disposed at an inlet end of the second aerosol channel.

11. An aerosol-generating system comprising an aerosol-generating device comprising a housing, an induction coil, a power supply and a control circuit board, and an aerosol-generating article according to any one of claims 1 to 10;