WO2022237453A1

WO2022237453A1 - Atomizer and electronic atomization device therefor

Info

Publication number: WO2022237453A1
Application number: PCT/CN2022/087189
Authority: WO
Inventors: 谢亚军; 罗帅; 薛墨; 罗智; 曹润; 雷桂林
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-05-12
Filing date: 2022-04-15
Publication date: 2022-11-17
Also published as: CN115336801A

Abstract

An atomizer (1) and an electronic atomization device (100) therefor. The atomizer (1) comprises: a housing (11); a liquid storage compartment (111), which is used for storing an aerosol-generating substrate; an airflow channel, which comprises an air intake channel, a second atomization cavity (168), a cooling channel (15), a first atomization cavity (167) and an air output channel (113) which are in communication in sequence; a mounting seat (12), wherein the cooling channel (15) is formed between the mounting seat (12) and the housing (11) in a matched manner; and an atomization assembly (16), which is fixed on the mounting seat (12), wherein the atomization assembly (16) is used for heating and atomizing the aerosol-generating substrate stored in the liquid storage compartment (111). The atomization assembly (16) comprises a liquid storage base body (161), a first heating member (171) and a second heating member (172), wherein the liquid storage base body (161) is in fluid communication with the liquid storage compartment (111); the first heating member (171) is located in the first atomization cavity (167); the second heating member (172) is located in the second atomization cavity (168); and the first heating member (171) and the second heating member (172) respectively heat and atomize the aerosol-generating substrate of the liquid storage base body (161) to form an aerosol. By means of the arrangement of the cooling channel (15), the aerosol formed by means of being heated and atomized by the second heating member (172) enters the air output channel (113) via the cooling channel (15), such that the temperature layering sense of the aerosol is improved.

Description

An atomizer and an electronic atomization device thereof

Cross References to Related Applications

This application claims its priority based on the Chinese patent application 202110518108.X filed on May 12, 2021, and its entire content is incorporated herein by reference.

technical field

The present application relates to the technical field of atomization devices, in particular to an atomizer and an electronic atomization device thereof.

Background technique

The electronic atomization device in the prior art is mainly composed of an atomizer and a power supply assembly. The atomizer generally includes a liquid storage bin and an atomization component. The liquid storage bin is used to store the nebulizable medium, and the atomization component is used to heat and atomize the nebulizable medium to form an aerosol that can be consumed by smokers. ;The power supply component is used to supply energy to the atomizer.

The user's demand for high satisfaction with electronic atomization devices has gradually changed into the demand for high atomization volume; by increasing the volume of atomization to obtain more intake of effective substances, so as to achieve the satisfaction of "one mouthful". The current ceramic heating element has a low power limit value. Simply increasing the power to increase the amount of atomization may lead to local overheating, making the safety risk of the atomization gas higher.

Contents of the invention

The technical problem mainly solved by this application is to provide an atomizer and an electronic atomization device thereof, so as to solve the problem of poor temperature layering of the aerosol in the prior art.

In order to solve the above technical problems, the first technical solution adopted by this application is to provide an atomizer, which includes: a housing; a liquid storage bin for storing an aerosol-generating substrate; The air inlet channel, the second atomizing chamber, the cooling channel, the first atomizing chamber and the air outlet channel; the mounting seat, the cooling channel is formed by the cooperation between the mounting seat and the housing; the atomizing component is fixed on the mounting seat, and the mist The atomization assembly is used to heat the aerosol generating substrate stored in the atomized liquid storage bin; the atomization assembly includes a liquid storage base, a first heating element, and a second heating element; the liquid storage base is in fluid communication with the liquid storage bin; the first heating element The first heating element is located in the first atomizing chamber, and the second heating element is located in the second atomizing chamber. The first heating element and the second heating element respectively heat the aerosol generating substrate of the atomizing liquid storage substrate to form an aerosol.

Wherein, there is one liquid storage substrate, which includes an upper surface and a lower surface, the upper surface is facing the air outlet channel, the first heating element is arranged on the upper surface, and the second heating element is arranged on the lower surface.

Wherein, there are two liquid storage bases, the first heating element and the second heating element are respectively arranged on the two liquid storage bases, and the first heating element faces the air outlet channel.

Wherein, the liquid storage matrix is a porous ceramic matrix or a dense matrix with an array of through-through micropores.

Wherein, the aerosol formed by the first heating element heating the aerosol generating substrate directly enters the air outlet channel.

Wherein, the upper surface and the lower surface are set opposite to each other.

Wherein, the liquid storage matrix has a connecting surface connecting the upper surface and the lower surface, and a groove is opened on the connecting surface, and the inner wall of the accommodating cavity covers the opening of the groove to form a communication hole, and the end of the communication hole communicates with the liquid storage chamber .

Among them, the end of the mounting seat close to the liquid storage chamber has an air outlet hole and a lower liquid hole, the air outlet hole and the lower liquid hole are arranged at intervals, the air outlet hole and the air outlet channel are arranged opposite and communicated, and the air outlet hole is located in the part between the air outlet channel and the atomization component Cooperate with the atomization assembly to form the first atomization chamber, the atomization assembly is spaced apart from the bottom wall of the accommodating chamber and cooperates with the bottom wall of the accommodating chamber to form the second atomization chamber, the mounting seat is provided with a window, the window It is arranged on the side wall of the second atomizing chamber, the cooling channel communicates with the second atomizing chamber through the window, and the first atomizing chamber communicates with the second atomizing chamber through the cooling channel.

Wherein, an air intake structure is provided on the mounting seat, and the air intake structure is arranged on the side wall of the mounting seat that does not belong to the lower liquid hole. The gas carrying the aerosol in the second atomization chamber in the channel is transported to the first atomization chamber, so that the gas carries the aerosol in the first atomization chamber to the gas outlet channel.

Wherein, the air intake structure includes a first air intake portion and a second air intake portion, the first air intake portion is disposed adjacent to the atomization assembly, the second air intake portion is disposed on the side of the first air intake portion away from the atomization assembly, and the second air intake portion is An air inlet part is used to transmit the gas carrying the aerosol in the second atomization chamber to the first atomization chamber, so that the gas carries the aerosol in the first atomization chamber into the air outlet channel, and the second air inlet part is used for The gas carrying the aerosol in the second atomization chamber is directly sent to the part of the first atomization chamber close to the gas outlet channel.

Wherein, the first air intake part at least includes a first through hole and a second through hole, the first through hole and the second through hole are opposite or arranged in a shifted position, and the first through hole and/or the second through hole are far away from the second air intake part The inner wall surface is parallel to the upper surface of the liquid storage base.

Wherein, the cross-sectional area of the first through hole and/or the second through hole decreases gradually along the air intake direction.

Wherein, the cross-sectional area of the first through hole and/or the second through hole gradually increases along the air intake direction.

Wherein, the second air intake part at least includes a third through hole and a fourth through hole, the third through hole and the fourth through hole are opposite or arranged in a shifted position, and the third through hole and/or the fourth through hole are close to the first air intake part The inner wall surface is parallel to the upper surface of the liquid storage base.

Wherein, the cross-sectional area of the third through hole and/or the fourth through hole decreases gradually along the air intake direction.

Wherein, the cross-sectional area of the third through hole and/or the fourth through hole gradually increases along the air intake direction.

Wherein, the first heating element and the second heating element are connected in series or in parallel.

Wherein, the first heating element and the second heating element are configured to generate the same or different heating temperatures.

In order to solve the above technical problems, the second technical solution adopted by the present application is to provide an electronic atomization device, the electronic atomization device includes a power supply assembly and the above-mentioned atomizer, and the power supply assembly is used to supply power to the atomizer.

The beneficial effect of the present application is: different from the situation of the prior art, an atomizer and its electronic atomization device are provided, the atomizer includes a housing; a liquid storage bin for storing aerosol generating substrates; air flow Channel, including the air intake channel, the second atomization chamber, the cooling channel, the first atomization chamber and the air outlet channel connected in sequence; the mounting seat, the cooling channel is formed by cooperation between the mounting seat and the housing; the atomizing component is fixed on the installation On the seat, the atomization assembly is used to heat the aerosol generating substrate stored in the atomization liquid storage bin; the atomization assembly includes a liquid storage base, a first heating element and a second heating element; the liquid storage base is in fluid communication with the liquid storage bin; The first heating element is located in the first atomizing chamber, and the second heating element is located in the second atomizing chamber. The first heating element and the second heating element respectively heat the aerosol generating substrate of the atomizing liquid storage substrate to form an aerosol. In this application, by setting the cooling channel, the aerosol formed by heating and atomizing by the second heating element enters the outlet channel through the cooling channel, and the aerosol formed by heating and atomizing by the first heating element directly enters the outlet channel, thereby improving the temperature layering of the aerosol.

Description of drawings

Fig. 1 is a schematic structural diagram of an embodiment of an electronic atomization device provided by the present application;

Fig. 2 is a cross-sectional view of an embodiment of the atomizer in the electronic atomization device provided by the present application;

Fig. 3 is a sectional view of another angle of the atomizer provided in Fig. 2;

Fig. 4 is a schematic structural view of an embodiment of the housing in the atomizer provided by the present application;

Fig. 5 is a schematic structural view of an embodiment of the mounting seat in the atomizer provided by the present application;

Fig. 6 is a schematic structural view of an embodiment of the upper seat in the nebulizer provided by the present application;

Fig. 7 is a cross-sectional view of the upper seat in the atomizer provided by the present application;

Fig. 8 is a schematic structural view of an embodiment of the atomization assembly in the atomizer provided by the present application;

Fig. 9 is a schematic structural view of an embodiment of the lower seat in the nebulizer provided by the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one feature. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship between the various components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication will also change accordingly. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or components inherent in those processes, methods, products, or devices.

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 appearances of phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are independent 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.

Please refer to Figure 1, Figure 2 and Figure 3, Figure 1 is a schematic structural view of an embodiment of an electronic atomization device provided by this application; Figure 2 is a cross-sectional view of an embodiment of an atomizer in an electronic atomization device provided by this application; Fig. 3 is a sectional view of the atomizer provided in Fig. 2 from another angle. The electronic atomization device 100 can be used for atomizing aerosol-generating substrates. The electronic atomization device 100 provided in this embodiment includes an atomizer 1 and a host 2 . The atomizer 1 and the main unit 2 are detachably connected. Wherein, the atomizer 1 specifically includes a housing 11 , a mounting base 12 and an atomizing assembly 16 . The host 2 is provided with a power supply assembly 21, the atomizer 1 is plugged into one port of the host 2, and connected to the power supply assembly 21 in the host 2, so as to supply power to the atomization assembly 16 in the atomizer 1 through the power supply assembly 21 . When the atomizer 1 needs to be replaced, the atomizer 1 can be disassembled and a new atomizer 1 can be installed on the host 2, so that the host 2 can be reused.

In another optional embodiment, the provided electronic atomization device 100 includes a casing 11 , a mounting base 12 , an atomization component 16 and a power supply component 21 . Wherein, the liquid storage bin 111, the mounting base 12, the atomization assembly 16 and the power supply assembly 21 are integrally arranged and cannot be detachably connected.

Of course, the electronic atomization device 100 also includes other components in the existing electronic atomization device 100, such as microphones, brackets, etc. The specific structures and functions of these components are the same or similar to those of the prior art. For details, please refer to the existing technology, which will not be repeated here.

The atomizer 1 includes a housing 11 , a mounting base 12 , an atomizing assembly 16 , a nozzle assembly 18 and an end cap 19 .

Please refer to FIG. 4 . FIG. 4 is a schematic structural view of an embodiment of the housing in the nebulizer provided by the present application. One end of the casing 11 is connected to the suction nozzle assembly 18 , and the other end is connected to the end cover 19 . Specifically, the end of the housing 11 where the end cover 19 is installed is plugged into the cavity formed at one end of the host 2 . In an optional embodiment, the casing 11 has a liquid storage bin 111 , an installation cavity 112 and an air outlet channel 113 . Wherein, the liquid storage chamber 111 is disposed at the end of the housing 11 close to the nozzle assembly 18 , and the installation chamber 112 is disposed at the end of the housing 11 near the end cover 19 , and the liquid storage chamber 111 is adjacent to and communicated with the installation chamber 112 . The air outlet channel 113 is arranged in the housing 11 and connected to the end of the housing 11 connected to the suction nozzle assembly 18 , the air outlet channel 113 extends along the liquid storage bin 111 to the end close to the installation cavity 112 , and the air outlet channel 113 is far away from the liquid storage bin 111 One end extends to the installation cavity 112 and communicates with the installation cavity 112 . That is to say, the air outlet channel 113 communicates the suction nozzle assembly 18 with the installation cavity 112 . In an optional embodiment, the liquid storage bin 111 is arranged around the air outlet channel 113 , and the central axis of the air outlet channel 113 is parallel to the central axis of the atomizer 1 . In a preferred implementation, the central axis of the outlet channel 113 coincides with the central axis of the atomizer 1 . Wherein, the liquid storage bin 111 is used for storing the aerosol generating substrate. The air outlet channel 113 is used to connect the installation cavity 112 with the suction nozzle assembly 18 .

Please refer to FIG. 5 . FIG. 5 is a schematic structural diagram of an embodiment of the mounting seat in the nebulizer provided by the present application. The mounting base 12 is at least partially accommodated in the mounting cavity 112 . In a specific embodiment, the installation seat 12 is completely accommodated in the installation cavity 112 , and the outer wall of the installation seat 12 cooperates with the inner wall of the installation cavity 112 to form the cooling channel 15 . One end of the mounting base 12 and the inner wall of the casing 11 enclose the liquid storage bin 111 . One end of the mounting base 12 has an air outlet hole 135 and a lower liquid hole 134 . The other end of the mounting base 12 has an air inlet 13 . The air outlet hole 135 and the lower liquid hole 134 are arranged at intervals, the air outlet hole 135 is arranged opposite to the air outlet channel 113 and communicated, and the part of the air outlet hole 135 located between the air outlet channel 113 and the atomization assembly 16 cooperates with the atomization assembly 16 to form the first atomization The cavity 167 and the air intake structure 123 are arranged on the side wall of the mounting base 12 that does not belong to the lower liquid hole 134 . The atomization assembly 16 is spaced apart from the bottom wall of the accommodating cavity 149 and cooperates with the bottom wall of the accommodating cavity 149 to form a second atomizing cavity 168. On the side wall of the atomizing chamber 168 , the cooling channel 15 communicates with the second atomizing chamber 168 through the window 148 , and the first atomizing chamber 167 communicates with the second atomizing chamber 168 through the cooling channel 15 . In a specific embodiment, the mounting base 12 includes an upper base body 121 and a lower base body 14 fixedly connected with the upper base body 121 . Wherein, the upper base body 121 is disposed close to the liquid storage bin 111 , and the lower base body 14 is disposed on a side of the upper base body 121 away from the liquid storage bin 111 . The upper seat body 121 and the lower seat body 14 cooperate to form an accommodating cavity 149 for accommodating the atomizing assembly 16 . The aerosol in the first atomization chamber 167 enters the cooling channel 15 , and the temperature of the aerosol decreases due to partial heat loss of the aerosol during the transmission process.

Please refer to Figures 6 and 7, Figure 6 is a schematic structural view of an embodiment of the upper seat in the atomizer provided by the present application; Figure 7 is a cross-sectional view of the upper seat in the atomizer provided by the present application. The upper base body 121 includes an annular sidewall 122 and a top wall 133 connected to the annular sidewall 122 . The top wall 133 is provided with a lower liquid hole 134 and an air outlet hole 135 , and the lower liquid hole 134 and the air outlet hole 135 are arranged at intervals. In a specific embodiment, the partially annular side wall 122 and the outer wall of the air outlet 135 form a lower liquid hole 134 , one end of the lower liquid hole 134 communicates with the liquid storage chamber 111 , and the other end communicates with the accommodating cavity 149 . The cooling channel 15 is formed between the annular side wall 122 and the inner wall of the installation cavity 112 . One end of the air outlet hole 135 communicates with the air outlet channel 113 , and the other end communicates with the installation space. Wherein, the inner diameter of the air outlet channel 113 may not be smaller than the inner diameter of the air outlet hole 135 near the end of the air outlet channel 113 . In an optional embodiment, the inner diameter of the air outlet channel 113 is equal to the inner diameter of the end of the air outlet hole 135 forming the first atomization chamber 167 and close to the air outlet channel 113 . The inner diameter of the part of the air outlet hole 135 where the air outlet channel 113 is installed is larger than the inner diameter of the end of the air outlet hole 135 forming the first atomizing chamber 167 and close to the air outlet channel 113 . Wherein, the central axis of the air outlet hole 135 coincides with the central axis of the atomizer 1 . In an optional embodiment, the end of the air outlet channel 113 may closely abut against a side of the top wall 133 away from the annular side wall 122 . Wherein, a first sealing member 191 is provided between the air outlet channel 113 and the upper base body 121, the first sealing member 191 is used to seal the gap between the air outlet channel 113 and the air outlet hole 135, and is also used to seal the upper base body 121 and the housing 11 The gap between the inner walls prevents the aerosol-generating matrix of the liquid storage chamber 111 from leaking from the gap formed by the cooperation between the air outlet channel 113 and the air outlet hole 135, and also prevents the aerosol-generating matrix from leaking from between the upper base 121 and the inner wall of the housing 11 The gap formed by the fit leaks out. Wherein, the material of the first sealing member 191 is silica gel.

In a specific embodiment, there are two lower liquid holes 134 arranged symmetrically on both sides of the air outlet hole 135 , or asymmetrically arranged on both sides of the air outlet hole 135 . Specifically, the number of the lower liquid holes 134 and the shape of the lower liquid holes 134 can be set according to actual conditions.

Please refer to FIG. 8 , FIG. 2 and FIG. 3 . FIG. 8 is a schematic structural view of an embodiment of an atomizing assembly in an atomizer provided by the present application. The atomizing component 16 is accommodated in the accommodating cavity 149 , and the atomizing component 16 is used for heating the aerosol generating substrate stored in the atomizing liquid storage bin 111 . The atomizing assembly 16 includes a liquid storage base 161 and a heating element 17 , and the heating element 17 includes at least a first heating element 171 and a second heating element 172 . In a specific embodiment, the heating element 17 includes a first heating element 171 and a second heating element 172, the first heating element 171 and the second heating element 172 are arranged on the liquid storage base 161, and the second heating element 172 heats the atomized The formed aerosol enters the air outlet channel 113 through the cooling channel 15 , and is heated and atomized by the first heating element 171 to form an aerosol and directly enters the air outlet channel 113 . In another optional embodiment, the outer wall of the installation base 12 cooperates with the inner wall of the installation cavity 112 to form a cooling channel 15 . Wherein, the first heating element 171 and the second heating element 172 may be heating films or heating wires. Wherein, the liquid storage matrix 161 is a porous ceramic matrix or a dense matrix with an array of through-through micropores.

The liquid storage base 161 includes an upper surface 162 , a lower surface 163 , a third surface 164 and a fourth surface 165 . The upper surface 162 is parallel to the lower surface 163 , the third surface 164 connects the lower surface 163 and the upper surface 162 , and the fourth surface 165 connects the upper surface 162 and the end of the lower surface 163 away from the third surface 164 . The third surface 164 is opposite to the fourth surface 165 . The upper surface 162 is opposite to the air outlet channel 113 . The lower surface 163 is disposed opposite to the air outlet hole 135 , and the third surface 164 and the fourth surface 165 are in contact with opposite surfaces of the accommodating cavity 149 . Specifically, a groove is defined on the third surface 164 , the inner wall of the accommodating cavity 149 covers the opening of the groove to form a communication hole 166 , and an end of the communication hole 166 communicates with the lower liquid hole 134 . In a specific embodiment, a second sealing member 192 is provided between the liquid storage base 161 and the accommodating cavity 149, and the second sealing member 192 is used to seal the third surface 164 and the fourth surface 165 with the inner wall of the accommodating cavity 149 the gap between. The liquid in the lower liquid hole 134 is prevented from leaking to the first atomizing chamber 167 through the gap and leaking out through the air inlet 13 . Wherein, the material of the second sealing member 192 is silica gel. The first heating element 171 is disposed on the upper surface 162 of the liquid storage base 161 opposite to the air outlet channel 113 , and the upper surface 162 of the first heating element 171 is disposed as the first atomizing surface 8 . The second heating element 172 is disposed on the lower surface 163 of the liquid storage base 161 , and the lower surface 163 of the second heating element 172 is disposed as the second atomizing surface 9 . The lower surface 163 is opposite to the air outlet channel 113 . In a specific embodiment, the groove is a through groove, and the two ends of the communication hole 166 communicate with the two lower liquid holes 134 respectively. In another specific embodiment, the groove is a blind groove, and the end of the communication hole 166 communicates with a lower liquid hole 134 . The upper surface 162 and the lower surface 163 are parallel to each other and parallel to the extending direction of the groove. That is to say, the first atomizing surface 8 and the second atomizing surface 9 are parallel to each other and parallel to the extending direction of the communication hole 166 . Wherein, the inner wall surface of the groove serves as the liquid-absorbing surface of the liquid storage base 161 , and the liquid-absorbing surface supplies liquid to the first atomizing surface 8 and the second atomizing surface 9 .

In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in series or in parallel. In an optional embodiment, the first heating element 171 and the second heating element 172 are configured to generate the same or different heating temperatures. In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in series, and the resistances of the first heating element 171 and the second heating element 172 are different. After electrification, the first heating element 171 and the second heating element 172 generate The heat is different. For example, the resistance of the first heating element 171 is greater than the resistance of the second heating element 172, and the temperature of the aerosol generated by the first atomizing surface 8 is higher than the temperature of the aerosol generated by the second atomizing surface 9, thereby increasing the temperature of the aerosol. The temperature difference makes the temperature layering of the aerosol more distinct. In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in parallel, and the resistances of the first heating element 171 and the second heating element 172 are different. After electrification, the first heating element 171 and the second heating element 172 generate The heat is different. In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in parallel, the resistance of the first heating element 171 and the second heating element 172 are the same, the input voltage of the first heating element 171 and the voltage of the second heating element 172 The input voltages are different, and the heat generated by the first heating element 171 and the second heating element 172 are different after being energized. Increasing the temperature difference between the aerosol generated by the first atomizing surface 8 and the second atomizing surface 9 makes the aerosol have a more distinct temperature layering and a better taste.

Referring to FIG. 2 and FIG. 3 , an air intake structure 123 is disposed on the mounting base 12 . The air intake structure 123 is arranged on the side wall of the mounting seat 12 that does not belong to the lower liquid hole 134, and the air intake structure 123 communicates with the cooling channel 15 and the first atomization chamber 167, wherein the air intake structure 123 is used to carry the air in the cooling channel 15. The gas of the aerosol in the second atomization chamber 168 is transmitted to the first atomization chamber 167 , so that the gas carries the aerosol in the first atomization chamber 167 to the gas outlet channel 113 .

In a specific embodiment, the air intake structure 123 includes a first air intake portion 124 and a second air intake portion 127, the first air intake portion 124 is disposed adjacent to the first atomizing surface 8 of the atomization assembly 16, and the second air intake portion The part 127 is arranged on the side of the first air inlet part 124 away from the first atomization surface 8 of the atomization assembly 16, and the first air inlet part 124 is used to transmit the gas carrying the aerosol in the second atomization chamber 168 to the The first atomization chamber 167, so that the gas carries the aerosol in the first atomization chamber 167 into the gas outlet channel 113, and the second air inlet 127 is used to directly transmit the gas carrying the aerosol in the second atomization chamber 168 To the part of the first atomization chamber 167 close to the outlet channel 113 , so that the second atomization chamber 168 can reach the outlet channel 113 more quickly after passing through the cooling channel 15 .

In a specific embodiment, the first air intake portion 124 at least includes a first through hole 125 and a second through hole 126, the first through hole 125 and the second through hole 126 are opposite or offset, the first through hole 125 and/or Or the inner wall surface of the second through hole 126 away from the second air inlet portion 127 is parallel to the upper surface 162 of the liquid storage base 161 .

In an optional embodiment, the cross-sectional area of the first through hole 125 and/or the second through hole 126 decreases gradually along the air intake direction. That is, the inner wall surface of the first through hole 125 and/or the second through hole 126 near the second air inlet portion 127 is a first inclined surface 131 , and the extending direction of the first inclined surface 131 intersects the first atomizing surface 8 . The gas in the cooling channel 15 is guided through the first slope 131 of the first through hole 125 and/or the second through hole 126, so that the gas entering the first through hole 125 and/or the second through hole 126 can impact the first The atomizing surface 8, so that more aerosol generated by the first atomizing surface 8 can be carried to the air outlet channel 113, thereby increasing the amount of atomization.

In an alternative embodiment, the cross-sectional area of the first through hole 125 and/or the second through hole 126 gradually increases along the air intake direction. That is, the inner wall surface of the first through hole 125 and/or the second through hole 126 near the second air inlet portion 127 is a second slope (not shown). The extension direction of the second slope is away from the first atomizing surface 8 . The gas in the cooling channel 15 is guided by the second slope of the first through hole 125 and/or the second through hole 126, so that the gas entering the first through hole 125 and/or the second through hole 126 can directly rush to the first through hole 126. The part of the atomization chamber 167 close to the air outlet channel 113, so that the aerosol transmitted by the first through hole 125 and/or the second through hole 126 through the first air outlet channel 113 of the cooling channel 15 can be carried to the air outlet channel more 113, to increase the temperature difference of the aerosol output from the air outlet channel 113, so that the temperature of the aerosol is more layered, thereby improving the taste of the aerosol.

In a specific embodiment, the first through hole 125 and the second through hole 126 are respectively disposed on two opposite side walls of the upper base body 121 , that is, on two opposite parts of the annular side wall 122 . The shape and size of the first through hole 125 and the second through hole 126 are not limited. In one embodiment, the shape of the first through hole 125 and/or the second through hole 126 is a rectangle, and the length H of the side of the rectangle parallel to the central axis of the atomizer 1 is not greater than the length H of the rectangle and the central axis of the atomizer 1 The length L of the vertical side. The length of the side perpendicular to the central axis of the atomizer 1 of the first through hole 125 or the second through hole 126 is the width of the first through hole 125 or the second through hole 126 . In a preferred embodiment, the central axis of the first through hole 125 and/or the second through hole 126 is on the same plane as the first atomizing surface 8 . In an optional embodiment, the width L of the first through hole 125 and/or the second through hole 126 is equal to the distribution width W of the first heating element 171 . The width direction of the first through hole 125 and the second through hole 126 is perpendicular to the central axis of the atomizer 1 . The width direction of the first heating element 171 is the direction of the line connecting the two lower liquid holes 134 . In an optional embodiment, when the shapes of the first through hole 125 and the second through hole 126 are rectangular, the length of the side perpendicular to the central axis of the atomizer 1 of the first through hole 125 and the second through hole 126 is equal to the length of the first through hole 125 and the second through hole 126. A width of the heating element 171 . In another optional embodiment, the first through hole 125 and the second through hole 126 are circular in shape, and the diameters of the first through hole 125 and the second through hole 126 are equal to the width of the first heating element 171 .

The position of the first through hole 125 and the position of the second through hole 126 can also be disposed on the annular side wall 122 of the upper base 121 in a misaligned manner. In a specific embodiment, the position of the first through hole 125 and the position of the second through hole 126 may be displaced longitudinally or laterally. The structure of the first through hole 125 and the structure of the second through hole 126 may be the same or different. The shapes of the first through hole 125 and the second through hole 126 may be the same or different. In another optional embodiment, the positions of the first through hole 125 and the second through hole 126 may be offset, and the first through hole 125 and the second through hole 126 are at least partially opposite to each other.

In an optional embodiment, the second air intake portion 127 includes at least a third through hole 128 and a fourth through hole 129, the third through hole 128 and the fourth through hole 129 are opposite or offset, the third through hole 128 and the fourth through hole 129 /or the inner wall surface of the fourth through hole 129 close to the first air inlet portion 124 is parallel to the upper surface 162 of the liquid storage base 161 .

In an optional embodiment, the cross-sectional area of the third through hole 128 and/or the fourth through hole 129 gradually decreases along the air intake direction. That is, the inner wall surface of the third through hole 128 and/or the fourth through hole 129 away from the first air inlet portion 124 is a third slope 132 , and the extension direction of the third slope 132 intersects the extension direction of the first atomizing surface 8 . The gas in the cooling channel 15 is guided by the third slope 132 of the third through hole 128 and/or the fourth through hole 129, so that the gas entering in the third through hole 128 and/or the fourth through hole 129 can approach the first The atomizing surface 8, so that more aerosol generated by the first atomizing surface 8 can be carried to the air outlet channel 113, thereby increasing the amount of atomization.

In another optional embodiment, the cross-sectional area of the third through hole 128 and/or the fourth through hole 129 gradually increases along the air intake direction. That is, the inner wall surface of the third through hole 128 and/or the fourth through hole 129 away from the first air inlet portion 124 is a fourth slope (not shown). The extending direction of the fourth slope is away from the first atomizing surface 8 . The gas in the cooling channel 15 is guided by the fourth slope of the third through hole 128 and/or the fourth through hole 129, so that the gas entering in the third through hole 128 and/or the fourth through hole 129 can directly rush to the first The part of the atomization chamber 167 close to the air outlet channel 113, so that the aerosol transmitted by the third through hole 128 and/or the fourth through hole 129 through the first air outlet channel 113 of the cooling channel 15 can be carried to the air outlet channel more 113, to increase the temperature difference of the aerosol output from the air outlet channel 113, so that the temperature of the aerosol is more layered, thereby improving the taste of the aerosol.

In a specific embodiment, the position of the third through hole 128 and the position of the fourth through hole 129 may be set opposite to each other. In a specific embodiment, the position of the third through hole 128 and the position of the fourth through hole 129 may also be disposed on the annular side wall 122 of the upper base 121 in a misaligned manner. In a specific embodiment, the position of the third through hole 128 and the position of the fourth through hole 129 may be displaced longitudinally or laterally. The structure of the third through hole 128 and the structure of the fourth through hole 129 may be the same or different. The shapes of the third through hole 128 and the fourth through hole 129 may be the same or different. In another optional embodiment, the positions of the third through hole 128 and the fourth through hole 129 may be misaligned, and at least part of the third through hole 128 and the fourth through hole 129 are oppositely arranged. In a preferred embodiment, the shape of the third through hole 128 and/or the fourth through hole 129 is a rectangle, and the length of the side of the rectangle parallel to the central axis of the atomizer 1 is not greater than the length of the rectangle and the central axis of the atomizer 1 The length of the vertical side.

The third through hole 128 and the first through hole 125 , and the fourth through hole 129 and the second through hole 126 may be arranged opposite to each other, or may be arranged in offset positions. In a specific embodiment, the third through hole 128 and the first through hole 125 , and the fourth through hole 129 and the second through hole 126 may be misaligned in the direction of the central axis of the atomizer 1 .

A liquid collecting groove 130 is arranged on the outer surface of the annular side wall 122, and the liquid collecting groove 130 is used to collect the liquid leaked from the air intake structure 123, and is also used to collect the liquid leaked from the air intake space.

Please refer to FIG. 9 . FIG. 9 is a schematic structural diagram of an embodiment of the lower seat in the nebulizer provided by the present application. The lower base body 14 is disposed on the side of the upper base body 121 away from the air outlet channel 113 , and is fixedly connected with the upper base body 121 , specifically, the upper base body 121 can be engaged with the lower base body 14 . In a specific embodiment, the lower base body 14 includes a base plate 141 and a supporting component 142 disposed on a surface of the base plate 141 close to the atomizing component 16 .

In a specific embodiment, the support assembly 142 includes a first support arm 143 and a second support arm 144 , and the first support arm 143 and the second support arm 144 are oppositely disposed on the base plate 141 at intervals. A boss 145 is formed on a surface of the first support arm 143 opposite to the second support arm 144 . The boss 145 is used to support the atomization assembly 16 , and the boss 145 is in contact with the side of the atomization assembly 16 away from the atomization surface. The first capillary groove 146 is provided on the boss 145, and the first capillary groove 146 is used to receive the liquid missing in the atomizing assembly 16.

Air intake passages are disposed on the substrate 141 . Wherein, the air intake channel is the air intake hole 13 . The air inlet hole 13 is opposite to the second atomizing surface 9 . The base plate 141 and the atomization assembly 16 are spaced apart, the second atomization cavity 168 is formed between the first atomization surface 8 and the base plate 141, the cooling channel 15 is formed between the annular side wall 122 and the inner wall of the installation cavity 112, and the annular side A window 148 is formed between the wall 122 and the base plate 141 , one end of the cooling channel 15 communicates with the second atomization chamber 168 through the window 148 , and the other end communicates with the first atomization chamber 167 through the air intake structure 123 . The surface of the substrate 141 provided with the first support arm 143 and the second support arm 144 is provided with a second capillary groove 147 , and the second capillary groove 147 communicates with the first capillary groove 146 . The second capillary groove 147 is used to store the leaked liquid missed by the first capillary groove 146 and the leaked liquid leaked through the atomizing assembly 16 . The first support arm 143 and the second support arm 144 are used for connecting the upper base body 121 . The aforementioned air inlet channel, second atomizing chamber 168 , cooling channel 15 , first atomizing chamber 167 and air outlet channel 113 communicated in sequence form an air flow channel to transmit heated and atomized aerosol to the user's mouth.

This embodiment provides an electronic atomization device, wherein the atomizer includes a casing; a liquid storage bin for storing an aerosol-generating substrate; an airflow channel, which includes an air intake channel, a second atomization chamber, and a cooling chamber that communicate in sequence. channel, the first atomization chamber and the air outlet channel; the installation seat, the cooling channel is formed by cooperation between the installation seat and the housing; the atomization assembly is fixed on the installation seat, and the atomization assembly is used to heat the liquid stored in the atomization liquid storage bin The aerosol generating substrate; the atomization assembly includes a liquid storage base, a first heating element and a second heating element; the liquid storage base is in fluid communication with the liquid storage chamber; the first heating element is located in the first atomization chamber, and the second heating element is located in the second heating element The second atomization chamber, the first heating element and the second heating element respectively heat the aerosol generating substrate of the atomizing liquid storage substrate to form an aerosol. In this application, by setting the cooling channel, the aerosol formed by heating and atomizing by the second heating element enters the outlet channel through the cooling channel, and the aerosol formed by heating and atomizing by the first heating element directly enters the outlet channel, thereby improving the temperature layering of the aerosol.

The above is only the implementation of the application, and does not limit the scope of patent protection of the application. Any equivalent structure or equivalent process conversion made by using the specification and drawings of the application, or directly or indirectly used in other related All technical fields are equally included in the patent protection scope of the present application.

Claims

An atomizer, wherein the atomizer comprises:

case;

a liquid storage bin for storing the aerosol-generating substrate;

The air flow channel includes the air intake channel, the second atomization chamber, the cooling channel, the first atomization chamber and the air outlet channel which are connected in sequence;

A mounting seat, the mounting seat cooperates with the housing to form a cooling channel;

The atomization assembly is fixed on the installation seat, and the atomization assembly is used to heat and atomize the aerosol generating substrate stored in the liquid storage bin; the atomization assembly includes a liquid storage substrate, a first heating element and The second heating element; the liquid storage base is in fluid communication with the liquid storage chamber; the first heating element is located in the first atomizing chamber, and the second heating element is located in the second atomizing chamber, so The first heating element and the second heating element respectively heat and atomize the aerosol generating substrate of the liquid storage substrate to form an aerosol.
The atomizer according to claim 1, wherein the liquid storage base is one, which includes an upper surface and a lower surface, the upper surface is facing the air outlet channel, and the first heating element is arranged on the The upper surface, the second heating element is arranged on the lower surface.
The atomizer according to claim 1, wherein there are two liquid storage bases, the first heating element and the second heating element are respectively arranged on the two liquid storage bases, and the The first heating element is facing the air outlet channel.
The atomizer according to claim 1, wherein the liquid storage substrate is a porous ceramic substrate or a dense substrate provided with arrays of through-through micropores.
The atomizer according to claim 1, wherein the aerosol formed by heating the aerosol-generating substrate by the first heating element directly enters the air outlet channel.
The atomizer according to claim 2, wherein the upper surface is disposed opposite to the lower surface.
The atomizer according to claim 6, wherein the liquid storage base has a connection surface connecting the upper surface and the lower surface, grooves are opened on the connection surface, and the interior of the accommodating cavity The wall covering the opening of the groove forms a communication hole, and the end of the communication hole communicates with the liquid storage bin.
The atomizer according to claim 1, wherein, the end of the installation seat close to the liquid storage bin has an air outlet hole and a lower liquid hole, the air outlet hole and the lower liquid hole are arranged at intervals, and the air outlet hole Set opposite to and communicated with the air outlet channel, the part of the air outlet hole located between the air outlet channel and the atomization assembly cooperates with the atomization assembly to form the first atomization chamber, and the atomization assembly It is spaced apart from the bottom wall of the accommodating chamber and cooperates with the bottom wall of the accommodating chamber to form the second atomizing chamber. The mounting seat is provided with a window, and the window is provided on the second atomization chamber. On the side wall of the second atomization chamber, the cooling channel communicates with the second atomizing chamber through the window, and the first atomizing chamber communicates with the second atomizing chamber through the cooling channel.
The atomizer according to claim 8, wherein an air inlet structure is arranged on the installation seat, and the air inlet structure is arranged on a side wall of the installation seat that does not belong to the lower liquid hole, and the air inlet structure The gas structure communicates with the cooling channel and the first atomization chamber, wherein the air intake structure is used to transmit the gas carrying the aerosol in the second atomization chamber in the cooling channel to the first atomization chamber. an atomizing chamber, so that the gas carries the aerosol in the first atomizing chamber to the gas outlet channel.
The atomizer according to claim 9, wherein the air intake structure comprises a first air intake portion and a second air intake portion, the first air intake portion is disposed adjacent to the atomization assembly, and the second air intake portion The air intake part is arranged on the side of the first air intake part away from the atomization assembly, and the first air intake part is used to deliver the gas carrying the aerosol in the second atomization chamber to the The first atomization chamber, so that the gas carries the aerosol in the first atomization chamber into the gas outlet channel, and the second air inlet part is used to carry the aerosol in the second atomization chamber The gas in the aerosol is directly delivered to the part of the first atomization chamber close to the gas outlet channel.
The atomizer according to claim 10, wherein the first air inlet portion at least includes a first through hole and a second through hole, and the first through hole and the second through hole are arranged opposite or offset, The inner wall surface of the first through hole and/or the second through hole away from the second air inlet portion is parallel to the upper surface of the liquid storage base.
The atomizer according to claim 11, wherein the cross-sectional area of the first through hole and/or the second through hole decreases gradually along the air intake direction.
The atomizer according to claim 11, wherein the cross-sectional area of the first through hole and/or the second through hole gradually increases along the air intake direction.
The atomizer according to claim 10, wherein the second air intake part includes at least a third through hole and a fourth through hole, and the third through hole and the fourth through hole are arranged opposite or offset, The inner wall surface of the third through hole and/or the fourth through hole close to the first air inlet part is parallel to the upper surface of the liquid storage base.
The atomizer according to claim 14, wherein the cross-sectional area of the third through hole and/or the fourth through hole decreases gradually along the air intake direction.
The atomizer according to claim 14, wherein the cross-sectional area of the third through hole and/or the fourth through hole increases gradually along the air intake direction.
The atomizer according to claim 1, wherein the first heating element and the second heating element are connected in series or in parallel.
The atomizer according to claim 17, wherein the first heating element and the second heating element are configured to generate the same or different heating temperatures.
An electronic atomization device, wherein the electronic atomization device comprises a power supply assembly and the atomizer according to claim 1 above, the power supply assembly is used to supply power to the atomizer.