Atomizer and electronic atomization device thereof

Abstract

The present invention discloses an atomizer and an electronic atomization device thereof, the atomizer comprising a housing; a liquid storage tank for storing an aerosol generating matrix; an air flow channel comprising an air inlet channel, a second atomizing chamber, a cooling channel, a first atomizing chamber and an air outlet channel which are sequentially connected; a mounting seat, the mounting seat and the housing cooperate to form a cooling channel; an atomizing assembly, fixed on the mounting seat, the atomizing assembly is used to heat the aerosol generating matrix stored in the atomizing liquid storage tank; the atomizing assembly comprises a liquid storage substrate, a first heating element and a second heating element; the liquid storage substrate is fluidly connected with the liquid storage tank; the first heating element is located in the first atomizing chamber, 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 matrix of the atomizing liquid storage substrate to form an aerosol. The present invention provides a cooling channel, and the aerosol formed by heating and atomizing by the second heating element enters the air outlet channel through the cooling channel, thereby improving the temperature layering of the aerosol.

Description

Technical Field

[0001] The present invention relates to the technical field of atomization devices, and in particular to an atomizer and an electronic atomization device thereof. Background Art

[0002] In the prior art, electronic atomization devices are mainly composed of an atomizer and a power supply assembly. The atomizer generally includes a liquid storage tank and an atomization assembly. The liquid storage tank is used to store the atomizable medium, and the atomization assembly is used to heat and atomize the atomizable medium to form an aerosol that can be consumed by the smoker; the power supply assembly is used to provide energy to the atomizer.

[0003] Users' demand for high satisfaction with electronic atomization devices has gradually transformed into a demand for high atomization volume; by increasing the atomization volume, more effective substances can be taken in, thus achieving the satisfaction of "one mouthful of high". The current ceramic heating element has a low power limit. Simply increasing the power to increase the atomization volume may cause local overheating, making the safety risk of the atomized gas higher. Summary of the invention

[0004] The main technical problem solved by the present invention is to provide an atomizer and an electronic atomization device thereof, so as to solve the problem of poor temperature hierarchy of aerosol in the prior art.

[0005] In order to solve the above technical problems, the first technical solution adopted by the present invention is: to provide an atomizer, which includes: a shell; a liquid storage tank for storing an aerosol generating matrix; an air flow channel, including an air inlet channel, a second atomization chamber, a cooling channel, a first atomization chamber and an air outlet channel that are connected in sequence; a mounting seat, the mounting seat and the shell cooperate to form a cooling channel; an atomization component, fixed on the mounting seat, the atomization component is used to heat the aerosol generating matrix stored in the atomization liquid storage tank; the atomization component includes a liquid storage substrate, a first heating element and a second heating element; the liquid storage substrate is fluidly connected to the liquid storage tank; the first heating element is located in the first atomization chamber, the second heating element is located in the second atomization chamber, and the first heating element and the second heating element respectively heat the aerosol generating matrix of the atomization liquid storage substrate to form an aerosol.

[0006] There is one liquid storage matrix, which includes an upper surface and a lower surface. The upper surface faces 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.

[0007] There are two liquid storage substrates, and the first heating element and the second heating element are respectively arranged on the two liquid storage substrates, and the first heating element is directly opposite to the air outlet channel.

[0008] Wherein, the liquid storage matrix is ​​a porous ceramic matrix or a dense matrix provided with an array of straight-through micropores.

[0009] The aerosol formed by the aerosol-generating substrate heated by the first heating element directly enters the air outlet channel.

[0010] The upper surface and the lower surface are arranged opposite to each other.

[0011] The liquid storage base has a connecting surface connecting the upper surface and the lower surface, a groove is provided on the connecting surface, the inner wall surface of the accommodating cavity covers the opening of the groove to form a connecting hole, and the end of the connecting hole is connected to the liquid storage bin.

[0012] Among them, the mounting seat has an air outlet hole and a lower liquid hole at one end close to the liquid storage tank, the air outlet hole and the lower liquid hole are arranged at intervals, the air outlet hole is arranged opposite to and connected with the air outlet channel, the part of the air outlet hole located between the air outlet channel and the atomization component cooperates with the atomization component to form a first atomization chamber, the atomization component is arranged at intervals with the bottom wall of the accommodating chamber and cooperates with the bottom wall of the accommodating chamber to form a second atomization chamber, a window is arranged on the mounting seat, the window is arranged on the side wall of the second atomization chamber, the cooling channel is connected with the second atomization chamber through the window, and the first atomization chamber is connected with the second atomization chamber through the cooling channel.

[0013] Among them, an air intake structure is arranged on the mounting seat, and the air intake structure is arranged on the side wall of the mounting seat which does not belong to the lower liquid hole. The air intake structure connects the cooling channel and the first atomization chamber, and the air intake structure is used to transmit the gas in the cooling channel 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 to the air outlet channel.

[0014] Among them, the air intake structure includes a first air intake part and a second air intake part, the first air intake part is arranged adjacent to the atomization component, and the second air intake part is arranged on a side of the first air intake part away from the atomization component, the first air intake 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 intake part is used to transmit the gas carrying the aerosol in the second atomization chamber directly to the part of the first atomization chamber close to the air outlet channel.

[0015] Among them, the first air inlet part at least includes a first through hole and a second through hole, the first through hole and the second through hole are arranged opposite to or staggered, and the inner wall surface of the first through hole and / or the second through hole away from the second air inlet part is parallel to the upper surface of the liquid storage matrix.

[0016] Wherein, the cross-sectional area of ​​the first through hole and / or the second through hole gradually decreases along the air intake direction.

[0017] Wherein, the cross-sectional area of ​​the first through hole and / or the second through hole gradually increases along the air intake direction.

[0018] Among them, the second air inlet part at least includes a third through hole and a fourth through hole, the third through hole and the fourth through hole are arranged oppositely or staggered, and 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 matrix.

[0019] The cross-sectional area of ​​the third through hole and / or the fourth through hole gradually decreases along the air intake direction.

[0020] Wherein, the cross-sectional area of ​​the third through hole and / or the fourth through hole gradually increases along the air intake direction.

[0021] The first heating element and the second heating element are connected in series or in parallel.

[0022] The first heating element and the second heating element are configured to generate the same or different heating temperatures.

[0023] In order to solve the above technical problems, the second technical solution adopted by the present invention is: to provide an electronic atomization device, the electronic atomization device includes a power supply component and the atomizer as mentioned above, and the power supply component is used to supply power to the atomizer.

[0024] The beneficial effects of the present invention are as follows: different from the prior art, a kind of atomizer and its electronic atomization device are provided, the atomizer includes a shell; a liquid storage tank for storing aerosol generating substrate; an air flow channel, including an air inlet channel, a second atomizing chamber, a cooling channel, a first atomizing chamber and an air outlet channel that are sequentially connected; a mounting seat, the mounting seat and the shell cooperate to form a cooling channel; an atomizing assembly, fixed on the mounting seat, the atomizing assembly is used to heat the aerosol generating substrate stored in the atomizing liquid storage tank; the atomizing assembly includes a liquid storage substrate, a first heating element and a second heating element; the liquid storage substrate is fluidly connected with the liquid storage tank; the first heating element is located in the first atomizing chamber, the second heating element is located in the second atomizing chamber, and 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. The present invention sets a cooling channel, the aerosol formed by heating and atomizing by the second heating element enters the air outlet channel through the cooling channel, and the aerosol formed by heating and atomizing by the first heating element directly enters the air outlet channel, thereby improving the temperature layering of the aerosol. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a structural schematic diagram of an embodiment of the electronic atomization device provided by the present invention;

[0027] Figure 2 is a cross-sectional view of an embodiment of an atomizer in an electronic atomization device provided by the present invention;

[0028] Figure 3 yes Figure 2 A cross-sectional view of the atomizer from another angle is provided;

[0029] Figure 4 It is a structural schematic diagram of an embodiment of a housing in an atomizer provided by the present invention;

[0030] Figure 5 It is a structural schematic diagram of an embodiment of a mounting seat in an atomizer provided by the present invention;

[0031] Figure 6 It is a structural schematic diagram of an embodiment of an upper seat body in an atomizer provided by the present invention;

[0032] Figure 7 is a cross-sectional view of an upper seat body in the atomizer provided by the present invention;

[0033] Figure 8 It is a structural schematic diagram of an embodiment of an atomizing assembly in an atomizer provided by the present invention;

[0034] Fig. 9 It is a structural schematic diagram of an embodiment of a lower seat body in an atomizer provided by the present invention. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] The terms "first", "second" and "third" in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second" and "third" may explicitly or implicitly include at least one feature. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. All directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. The terms "including" and "having" in the embodiments of the present application and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or components inherent to these processes, methods, products or devices.

[0037] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of a phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0038] See also Figure 1 , Figure 2 and Figure 3 , Figure 1 It is a structural schematic diagram of an embodiment of the electronic atomization device provided by the present invention; Figure 2 is a cross-sectional view of an embodiment of an atomizer in an electronic atomization device provided by the present invention; Figure 3 yes Figure 2 A cross-sectional view of the provided atomizer from another angle. The electronic atomization device 100 can be used to atomize an aerosol-generating matrix. The electronic atomization device 100 provided in this embodiment includes an atomizer 1 and a host 2. The atomizer 1 and the host 2 are detachably connected. Among them, the atomizer 1 specifically includes a shell 11, a mounting seat 12 and an atomization assembly 16. A power supply assembly 21 is provided in the host 2, and the atomizer 1 is plugged into a port at one end of the host 2 and connected to the power supply assembly 21 in the host 2 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 to achieve the reuse of the host 2.

[0039] In another optional embodiment, the provided electronic atomization device 100 includes a housing 11, a mounting seat 12, an atomization assembly 16 and a power supply assembly 21. The liquid storage tank 111, the mounting seat 12, the atomization assembly 16 and the power supply assembly 21 are integrally arranged and cannot be detachably connected.

[0040] Of course, the electronic atomization device 100 also includes other components in the existing electronic atomization device 100, such as a microphone, a bracket, etc. The specific structures and functions of these components are the same or similar to those in the prior art. For details, please refer to the prior art and will not be repeated here.

[0041] The atomizer 1 includes a housing 11 , a mounting base 12 , an atomizing assembly 16 , a nozzle assembly 18 and an end cover 19 .

[0042] See also Figure 4 , Figure 4 It is a structural schematic diagram of an embodiment of a shell in an atomizer provided by the present invention. One end of the shell 11 is connected to the suction nozzle assembly 18, and the other end is connected to the end cap 19. Specifically, the end of the shell 11 on which the end cap 19 is installed is plugged into the cavity formed at one end of the host 2. In an optional embodiment, the shell 11 has a liquid storage tank 111, an installation cavity 112 and an air outlet channel 113. Among them, the liquid storage tank 111 is arranged at the end of the shell 11 close to the suction nozzle assembly 18, and the installation cavity 112 is arranged at the end of the shell 11 close to the end cap 19, and the liquid storage tank 111 is adjacent to and communicated with the installation cavity 112. The air outlet channel 113 is arranged in the shell 11 and is connected to the end of the shell 11 connected to the suction nozzle assembly 18. The air outlet channel 113 extends along the liquid storage tank 111 to one end close to the installation cavity 112, and the air outlet channel 113 extends to the installation cavity 112 away from the end of the liquid storage tank 111 and communicates with the installation cavity 112. That is, the air outlet channel 113 connects the nozzle assembly 18 with the mounting cavity 112. In an optional embodiment, the liquid storage tank 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 embodiment, the central axis of the air outlet channel 113 coincides with the central axis of the atomizer 1. The liquid storage tank 111 is used to store the aerosol generating matrix. The air outlet channel 113 is used to connect the mounting cavity 112 with the nozzle assembly 18.

[0043] See also Figure 5 , Figure 51 is a schematic diagram of the structure of an embodiment of a mounting seat in an atomizer provided by the present invention. The mounting seat 12 is at least partially accommodated in the mounting cavity 112. In a specific embodiment, the mounting seat 12 is completely accommodated in the mounting cavity 112, and the outer wall of the mounting seat 12 cooperates with the inner wall of the mounting cavity 112 to form a cooling channel 15. One end of the mounting seat 12 and the inner wall of the shell 11 surround the above-mentioned liquid storage bin 111. One end of the mounting seat 12 has an air outlet 135 and a lower liquid hole 134. The other end of the mounting seat 12 has an air inlet 13. The air outlet 135 and the lower liquid hole 134 are arranged at intervals, the air outlet 135 is arranged opposite to and connected to the air outlet channel 113, the part of the air outlet 135 located between the air outlet channel 113 and the atomizing assembly 16 cooperates with the atomizing assembly 16 to form a first atomizing chamber 167, and the air inlet structure 123 is arranged on the side wall of the mounting seat 12 that does not belong to the lower liquid hole 134. The atomizing assembly 16 is spaced apart from the bottom wall of the accommodating chamber 149 and cooperates with the bottom wall of the accommodating chamber 149 to form a second atomizing chamber 168. A window 148 is provided on the mounting seat 12, and the window 148 is provided on the side wall of the second atomizing chamber 168. The cooling channel 15 is communicated with the second atomizing chamber 168 through the window 148, and the first atomizing chamber 167 is communicated with the second atomizing chamber 168 through the cooling channel 15. In a specific embodiment, the mounting seat 12 includes an upper seat body 121 and a lower seat body 14 fixedly connected to the upper seat body 121. Among them, the upper seat body 121 is arranged close to the liquid storage tank 111, and the lower seat body 14 is arranged on the side of the upper seat body 121 away from the liquid storage tank 111. The upper seat body 121 and the lower seat body 14 cooperate to form the accommodating chamber 149, and the accommodating chamber 149 is used to accommodate the atomizing assembly 16. The aerosol in the first atomization chamber 167 enters the cooling channel 15 , and the temperature of the aerosol decreases during the transmission process due to partial heat loss of the aerosol.

[0044] See also Figure 6 and 7 , Figure 6 It is a structural schematic diagram of an embodiment of an upper seat body in an atomizer provided by the present invention; Figure 7 It is a cross-sectional view of the upper seat body in the atomizer provided by the present invention. The upper seat body 121 includes an annular side wall 122 and a top wall 133 connected to the annular side wall 122. A lower liquid hole 134 and an air outlet 135 are arranged on the top wall 133, and the lower liquid hole 134 and the air outlet 135 are arranged at intervals. In a specific embodiment, part of the annular side wall 122 and the outer wall of the air outlet 135 surround the lower liquid hole 134, one end of the lower liquid hole 134 is connected to the liquid storage tank 111, and the other end is connected to the accommodating chamber 149. The annular side wall 122 cooperates with the inner wall of the installation chamber 112 to form a cooling channel 15. One end of the air outlet 135 is connected to the air outlet channel 113, and the other end is connected to the installation space. Among them, the inner diameter of the air outlet channel 113 may not be less than the inner diameter of the air outlet 135 near the end of the air outlet channel 113.

[0045] 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 portion of the air outlet hole 135 where the air outlet channel 113 is installed is greater than 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 central axis of the air outlet hole 135 coincides with the central axis of the atomizer 1.

[0046] In an optional embodiment, the end of the air outlet channel 113 can be tightly abutted against the side of the top wall 133 away from the annular side wall 122. A first seal 191 is provided between the air outlet channel 113 and the upper seat body 121. The first seal 191 is used to seal the gap between the air outlet channel 113 and the air outlet hole 135, and also to seal the gap between the upper seat body 121 and the inner wall of the shell 11, so as to prevent the aerosol-generating matrix of the liquid storage tank 111 from leaking out of the gap formed by the air outlet channel 113 and the air outlet hole 135, and also to prevent the aerosol-generating matrix from leaking out of the gap formed by the upper seat body 121 and the inner wall of the shell 11. The material of the first seal 191 is silicone.

[0047] In a specific embodiment, there are two lower liquid holes 134 and they are symmetrically arranged on both sides of the air outlet 135, or they can be asymmetrically arranged on both sides of the air outlet 135. Specifically, the number and shape of the lower liquid holes 134 can be set according to actual conditions.

[0048] See also Figure 8 , Figure 2 and Figure 3 , Figure 8 It is a structural schematic diagram of an embodiment of an atomizer assembly in the atomizer provided by the present invention. The atomizer assembly 16 is accommodated in the accommodating chamber 149, and the atomizer assembly 16 is used to heat the aerosol generating matrix stored in the atomizer liquid storage tank 111. The atomizer assembly 16 includes a liquid storage matrix 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, and the first heating element 171 and the second heating element 172 are arranged on the liquid storage matrix 161. The aerosol formed by heating and atomizing by the second heating element 172 enters the air outlet channel 113 through the cooling channel 15, and the aerosol formed by heating and atomizing by the first heating element 171 directly enters the air outlet channel 113. In another optional embodiment, the outer wall surface of the mounting seat 12 and the inner wall surface of the mounting cavity 112 cooperate to form a cooling channel 15. Among them, the first heating element 171 and the second heating element 172 can be a heating film or a heating wire. The liquid storage matrix 161 is a porous ceramic matrix or a dense matrix with an array of straight-through micropores.

[0049] The liquid storage matrix 161 includes an upper surface 162, a lower surface 163, a third surface 164 and a fourth surface 165. The upper surface 162 is arranged in parallel with 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 and the fourth surface 165 are arranged opposite to each other. The upper surface 162 is arranged opposite to the air outlet channel 113. The lower surface 163 is arranged opposite to the air outlet hole 135, and the third surface 164 and the fourth surface 165 are in contact with the opposite surfaces of the accommodating cavity 149. Specifically, the third surface 164 is provided with a groove, and the inner wall surface of the accommodating cavity 149 covers the opening of the groove to form a connecting hole 166, and the end of the connecting hole 166 is connected to the lower liquid hole 134. In a specific embodiment, a second sealing member 192 is provided between the liquid storage matrix 161 and the accommodating chamber 149, and the second sealing member 192 is used to seal the gap between the third surface 164 and the fourth surface 165 and the inner wall of the accommodating chamber 149. The liquid in the lower liquid hole 134 is prevented from leaking through the gap to the first atomizing chamber 167 and leaking out through the air inlet 13. Among them, the material of the second sealing member 192 is silicone. The first heating member 171 is provided on the upper surface 162 of the liquid storage matrix 161 opposite to the air outlet channel 113, and the upper surface 162 of the first heating member 171 is provided as the first atomizing surface. The second heating member 172 is provided on the lower surface 163 of the liquid storage matrix 161, and the lower surface 163 of the second heating member 172 is provided as the second atomizing surface. The lower surface 163 is arranged opposite to the air outlet channel 113. In a specific embodiment, the groove is a through groove, and the two ends of the connecting hole 166 are respectively connected to the two lower liquid holes 134. In another specific embodiment, the groove is a blind groove, and the end of the communication hole 166 is connected to a lower liquid hole 134. The upper surface 162 and the lower surface 163 are parallel to each other and parallel to the extension direction of the groove. In other words, the first atomization surface and the second atomization surface are parallel to each other and parallel to the extension direction of the communication hole 166. The inner wall surface of the groove serves as the liquid absorption surface of the liquid storage matrix 161, and the liquid absorption surface supplies liquid to the first atomization surface and the second atomization surface.

[0050] In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in series or in parallel with each other. 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 resistance of the first heating element 171 and the second heating element 172 is different. After power is turned on, the heat generated by the first heating element 171 and the second heating element 172 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 atomization surface is higher than the temperature of the aerosol generated by the second atomization surface, thereby increasing the temperature difference of the aerosol, so that the temperature layering of the aerosol is more distinct. In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in parallel, and the resistance of the first heating element 171 and the second heating element 172 is different. After power is turned on, the heat generated by the first heating element 171 and the second heating element 172 is different. In a specific embodiment, the first heating element 171 and the second heating element 172 are connected in parallel, the first heating element 171 and the second heating element 172 have the same resistance, the input voltage of the first heating element 171 and the input voltage of the second heating element 172 are different, and after power is turned on, the first heating element 171 and the second heating element 172 generate different amounts of heat. The temperature difference between the first atomization surface and the second atomization surface to generate aerosol is increased, so that the temperature layering of the aerosol is more distinct and the taste is better.

[0051] See also Figure 2 and Figure 3 , an air intake structure 123 is provided on the mounting seat 12. The air intake structure 123 is provided on the side wall of the mounting seat 12 which does not belong to the lower liquid hole 134, and the air intake structure 123 connects the cooling channel 15 and the first atomizing chamber 167, wherein the air intake structure 123 is used to transmit the gas in the cooling channel 15 carrying the aerosol in the second atomizing chamber 168 to the first atomizing chamber 167, so that the gas carries the aerosol in the first atomizing chamber 167 to the air outlet channel 113.

[0052] 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 arranged adjacent to the first atomization surface of the atomization component 16, and the second air intake portion 127 is arranged on the side of the first air intake portion 124 away from the second atomization surface of the atomization component 16. The first air intake portion 124 is used to transmit the gas carrying the aerosol in the second atomization chamber 168 to the first atomization chamber 167, so that the gas carries the aerosol in the first atomization chamber 167 into the air outlet channel 113, and the second air intake portion 127 is used to transmit the gas carrying the aerosol in the second atomization chamber 168 directly to the part of the first atomization chamber 167 close to the air outlet channel 113, so that the second atomization chamber 168 can reach the air outlet channel 113 more quickly after passing through the cooling channel 15.

[0053] In a specific embodiment, the first air inlet portion 124 includes at least a first through hole 125 and a second through hole 126, and the first through hole 125 and the second through hole 126 are arranged relative to or staggered, and the inner wall surface of the first through hole 125 and / or 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.

[0054] In an optional embodiment, the cross-sectional area of ​​the first through hole 125 and / or the second through hole 126 gradually decreases along the air inlet direction. That is, the inner wall surface of one side of the first through hole 125 and / or the second through hole 126 close to the second air inlet portion 127 is the first inclined surface 131, and the extension direction of the first inclined surface 131 intersects with the first atomization surface. The gas in the cooling channel 15 is guided through the first inclined surface 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 atomization surface, so that the aerosol generated by the first atomization surface can be carried to the air outlet channel 113 more, thereby increasing the atomization amount.

[0055] In another optional embodiment, the cross-sectional area of ​​the first through hole 125 and / or the second through hole 126 gradually increases along the air inlet direction. That is, the inner wall surface of one side of the first through hole 125 and / or the second through hole 126 close to the second air inlet portion 127 is a second inclined surface (not shown). The extension direction of the second inclined surface is away from the first atomization surface. The gas in the cooling channel 15 is guided by the second inclined surface 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 hit the part of the first atomization chamber 167 close to the air outlet channel 113, so that the aerosol of the first air outlet channel 113 transmitted by the first through hole 125 and / or the second through hole 126 through the cooling channel 15 can be carried more to the air outlet channel 113, so as to increase the temperature difference of the aerosol outputting the air outlet channel 113, so that the temperature of the aerosol is more layered, thereby improving the taste of the aerosol.

[0056] In a specific embodiment, the first through hole 125 and the second through hole 126 are respectively arranged on two opposite side walls of the upper seat 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 parallel to the central axis of the atomizer 1 is not greater than the length L of the side perpendicular to the central axis of the atomizer 1. 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 and / 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 in the same plane as the atomization surface. 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 first through hole 125 and the second through hole 126 are rectangular in shape, the length of the side of the first through hole 125 and the second through hole 126 perpendicular to the central axis of the atomizer 1 is equal to the width of the first heating element 171. In another optional embodiment, the first through hole 125 and the second through hole 126 are circular in shape, and the diameter of the first through hole 125 and the second through hole 126 is equal to the width of the first heating element 171.

[0057] The position of the first through hole 125 and the position of the second through hole 126 can also be staggered on the annular side wall 122 of the upper seat 121. In a specific embodiment, the position of the first through hole 125 can be longitudinally staggered or transversely staggered with the position of the second through hole 126. The structure of the first through hole 125 and the structure of the second through hole 126 can be the same or different. The shape of the first through hole 125 and the second through hole 126 can be the same or different. In another optional embodiment, the positions of the first through hole 125 and the second through hole 126 can be staggered, and the first through hole 125 and the second through hole 126 are at least partially arranged opposite to each other.

[0058] In an optional embodiment, the second air inlet portion 127 includes at least a third through hole 128 and a fourth through hole 129, and the third through hole 128 and the fourth through hole 129 are arranged relative to or staggered, and the inner wall surface of the third through hole 128 and / or 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.

[0059] 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 inlet 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 the third inclined surface 132, and the extension direction of the third inclined surface 132 intersects with the extension direction of the first atomization surface. The gas in the cooling channel 15 is guided through the third inclined surface 132 of the third through hole 128 and / or the fourth through hole 129, so that the gas entering the third through hole 128 and / or the fourth through hole 129 can approach the first atomization surface, so that the aerosol generated by the first atomization surface can be carried to the air outlet channel 113 more, thereby increasing the atomization amount.

[0060] 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 inlet direction. That is, the inner wall surface of one side of the third through hole 128 and / or the fourth through hole 129 away from the first air inlet portion 124 is a fourth inclined surface (not shown). The extension direction of the fourth inclined surface is away from the first atomization surface. The gas in the cooling channel 15 is guided by the fourth inclined surface of the third through hole 128 and / or the fourth through hole 129, so that the gas entering the third through hole 128 and / or the fourth through hole 129 can directly hit the part of the first atomization chamber 167 close to the air outlet channel 113, so that the aerosol of the first air outlet channel 113 transmitted by the third through hole 128 and / or the fourth through hole 129 through the cooling channel 15 can be carried to the air outlet channel 113 more, so as to increase the temperature difference of the aerosol outputting the air outlet channel 113, so that the temperature of the aerosol is more layered, thereby improving the taste of the aerosol.

[0061] In a specific embodiment, the position of the third through hole 128 and the position of the fourth through hole 129 can be arranged relative to each other. In a specific embodiment, the position of the third through hole 128 and the position of the fourth through hole 129 can also be arranged on the annular side wall 122 of the upper seat body 121 in a staggered manner. In a specific embodiment, the position of the third through hole 128 can be longitudinally staggered with the position of the fourth through hole 129, or can be transversely staggered. The structure of the third through hole 128 and the structure of the fourth through hole 129 can be the same or different. The shapes of the third through hole 128 and the fourth through hole 129 can be the same or different. In another optional embodiment, the positions of the third through hole 128 and the fourth through hole 129 can be staggered, and at least parts of the third through hole 128 and the fourth through hole 129 are arranged relative to each other. 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 side of the rectangle perpendicular to the central axis of the atomizer 1.

[0062] The third through hole 128 and the first through hole 125, and the fourth through hole 129 and the second through hole 126 can be arranged opposite to each other or staggered. 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 can be staggered in the central axis direction of the atomizer 1.

[0063] A liquid collecting groove 130 is provided on the outer wall surface of the annular side wall 122 . The liquid collecting groove 130 is used to collect liquid leaked from the air intake structure 123 and also used to collect liquid leaked from the air intake space.

[0064] See also Fig. 9 , Fig. 9 1 is a schematic diagram of the structure of an embodiment of the lower seat body in the atomizer provided by the present invention. The lower seat body 14 is arranged on a side of the upper seat body 121 away from the air outlet channel 113, and is fixedly connected to the upper seat body 121. Specifically, the upper seat body 121 can be snap-fitted with the lower seat body 14. In a specific embodiment, the lower seat body 14 includes a base plate 141 and a support assembly 142 arranged on a surface of the base plate 141 close to the atomization assembly 16.

[0065] 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 arranged opposite to each other and spaced apart on the substrate 141. A boss 145 is provided on the surface opposite to the first support arm 143 and the second support arm 144. The boss 145 is used to support the atomization assembly 16, and the boss 145 contacts the side of the atomization assembly 16 away from the atomization surface. A first capillary groove 146 is provided on the boss 145, and the first capillary groove 146 is used to receive the liquid leaked from the atomization assembly 16.

[0066] An air inlet channel is provided on the substrate 141. Among them, the air inlet channel is an air inlet hole 13. The air inlet hole 13 is arranged opposite to the second atomizing surface. The substrate 141 and the atomizing assembly 16 are arranged at intervals, a second atomizing chamber 168 is formed between the first atomizing surface and the substrate 141, a cooling channel 15 is formed between the annular side wall 122 and the inner wall of the mounting cavity 112, a window 148 is formed between the annular side wall 122 and the substrate 141, one end of the cooling channel 15 is connected to the second atomizing chamber 168 through the window 148, and the other end is connected to the first atomizing chamber 167 through the air inlet 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 is connected to 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 to connect the upper seat body 121. The air inlet channel, the second atomizing chamber 168, the cooling channel 15, the first atomizing chamber 167 and the air outlet channel 113 that are sequentially connected form an air flow channel to transmit the heated atomized aerosol to the user's mouth.

[0067] The present embodiment provides an electronic atomization device, wherein the atomizer includes a shell; a liquid storage tank for storing an aerosol generating matrix; an air flow channel, including an air inlet channel, a second atomizing chamber, a cooling channel, a first atomizing chamber and an air outlet channel that are sequentially connected; a mounting seat, the mounting seat and the shell cooperate to form a cooling channel; an atomization component, fixed on the mounting seat, the atomization component is used to heat the aerosol generating matrix stored in the atomizing liquid storage tank; the atomization component includes a liquid storage substrate, a first heating element and a second heating element; the liquid storage substrate is fluidly connected to the liquid storage tank; the first heating element is located in the first atomizing chamber, the second heating element is located in the second atomizing chamber, and the first heating element and the second heating element respectively heat the aerosol generating matrix of the atomizing liquid storage substrate to form an aerosol. The present invention sets a cooling channel, and the aerosol formed by heating and atomizing by the second heating element enters the air outlet channel through the cooling channel, and the aerosol formed by heating and atomizing by the first heating element directly enters the air outlet channel, thereby improving the temperature layering of the aerosol.

[0068] The above are only implementation modes of the present invention, and are not intended to limit the patent protection scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An atomizer, characterized in that: The atomizer comprises: case; A liquid storage tank, used for storing aerosol-generating substrates; An air flow channel, comprising an air inlet channel, a second atomization chamber, a cooling channel, a first atomization chamber and an air outlet channel which are interconnected in sequence; A mounting seat, wherein the mounting seat cooperates with the shell to form a cooling channel; An atomizing assembly is fixed on the mounting seat, and is used to heat and atomize the aerosol-generating matrix stored in the liquid storage tank; the atomizing assembly comprises a liquid storage substrate, a first heating element, and a second heating element; the liquid storage substrate is in fluid communication with the liquid storage tank; the first heating element is located in the first atomizing chamber, and the second heating element is located in the second atomizing chamber, and the first heating element and the second heating element respectively heat and atomize the aerosol-generating matrix of the liquid storage substrate to form an aerosol; One end of the mounting seat has an air outlet hole, the air outlet hole is arranged opposite to and communicated with the air outlet channel, and the part of the air outlet hole located between the air outlet channel and the atomizing assembly cooperates with the atomizing assembly to form the first atomizing chamber; one end of the mounting seat has a lower liquid hole; An air intake structure is provided on the mounting seat, and the air intake structure is provided on a side wall of the mounting seat that does not belong to the lower liquid hole and forms the first atomization cavity; the air intake structure is connected with the cooling channel and the first atomization cavity; The liquid storage base is provided with a surface of the first heating element as a first atomizing surface; the first heating element is arranged opposite to the air outlet channel; The air intake structure comprises a first through hole and / or a second through hole; the central axis of the first through hole and / or the second through hole is in the same plane as the first atomization surface.

2. The atomizer according to claim 1, characterized in that The liquid storage matrix is ​​one, and includes an upper surface and a lower surface. The upper surface is arranged opposite to 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.

3. The atomizer according to claim 1, characterized in that There are two liquid storage substrates, the first heating element and the second heating element are respectively arranged on the two liquid storage substrates, and the first heating element is arranged opposite to the air outlet channel.

4. The atomizer according to claim 1, characterized in that The liquid storage matrix is ​​a porous ceramic matrix or a dense matrix with arrayed straight-through micropores.

5. The atomizer according to claim 1, characterized in that The aerosol formed by the aerosol-generating substrate heated by the first heating element directly enters the air outlet channel.

6. The atomizer according to claim 2, characterized in that The upper surface is arranged opposite to the lower surface.

7. The atomizer according to claim 6, characterized in that The mounting seat includes an upper seat body and a lower seat body fixedly connected to the upper seat body; the upper seat body and the lower seat body cooperate to form a accommodating cavity, the liquid storage base has a connecting surface connecting the upper surface and the lower surface, a groove is provided on the connecting surface, the inner wall surface of the accommodating cavity covers the opening of the groove to form a connecting hole, and the end of the connecting hole is connected to the liquid storage tank.

8. The atomizer according to claim 1, characterized in that The mounting seat includes an upper seat body and a lower seat body fixedly connected to the upper seat body; the upper seat body and the lower seat body cooperate to form a accommodating chamber, and the mounting seat has an air outlet and a lower liquid hole at one end close to the liquid storage tank, the air outlet and the lower liquid hole are arranged at intervals, the air outlet is arranged opposite to and communicated with the air outlet channel, the part of the air outlet located between the air outlet channel and the atomizing component cooperates with the atomizing component to form the first atomizing chamber, the atomizing component is arranged at intervals from the bottom wall of the accommodating chamber and cooperates with the bottom wall of the accommodating chamber to form the second atomizing chamber, a window is provided on the mounting seat, the window is provided on the side wall of the second atomizing chamber, the cooling channel is communicated with the second atomizing chamber through the window, and the first atomizing chamber is communicated with the second atomizing chamber through the cooling channel.

9. The atomizer according to claim 8, characterized in that The air inlet structure includes a first air inlet portion and a second air inlet portion, the first air inlet portion is arranged adjacent to the atomization assembly, and the second air inlet portion is arranged on a side of the first air inlet portion away from the atomization assembly, the first air inlet portion 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 portion is used to transmit the gas carrying the aerosol in the second atomization chamber directly to the part of the first atomization chamber close to the air outlet channel, and the first air inlet portion at least includes the first through hole and the second through hole.

10. The atomizer according to claim 9, characterized in that The first through hole and the second through hole are arranged opposite to or staggered, and 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 matrix.

11. The atomizer according to claim 10, characterized in that The cross-sectional area of ​​the first through hole and / or the second through hole gradually decreases along the air intake direction.

12. The atomizer according to claim 10, characterized in that The cross-sectional area of ​​the first through hole and / or the second through hole gradually increases along the air intake direction.

13. The atomizer according to claim 9, characterized in that The second air inlet portion at least includes a third through hole and a fourth through hole, the third through hole and the fourth through hole are arranged opposite to or staggered, and the inner wall surface of the third through hole and / or the fourth through hole close to the first air inlet portion is parallel to the upper surface of the liquid storage matrix.

14. The atomizer according to claim 13, characterized in that The cross-sectional area of ​​the third through hole and / or the fourth through hole gradually decreases along the air intake direction.

15. The atomizer according to claim 13, characterized in that The cross-sectional area of ​​the third through hole and / or the fourth through hole gradually increases along the air intake direction.

16. The atomizer according to claim 1, characterized in that The first heating element and the second heating element are connected in series or in parallel.

17. The atomizer according to claim 16, characterized in that The first heating element and the second heating element are configured to generate the same or different heating temperatures.

18. An electronic atomization device, characterized in that: The electronic atomization device comprises a power supply assembly and an atomizer as described in any one of claims 1 to 17 above, wherein the power supply assembly is used to supply power to the atomizer.

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