WO2023097617A1

WO2023097617A1 - Electronic atomizing device

Info

Publication number: WO2023097617A1
Application number: PCT/CN2021/135134
Authority: WO
Inventors: 许玉周; 姚高仁
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2023-06-08

Abstract

An electronic atomizing device (100), comprising: a heating top cover (20) comprising a cover body (23) and a flow guide wall (24) provided on the cover body (23), wherein the flow guide wall (24) is annularly provided to form an atomizing cavity (25), the cover body (23) is provided with an aerosol outlet (21), the aerosol outlet (21) is communicated with the atomizing cavity (25), the flow guide wall (24) is provided with an air inlet (26), and the air inlet (26) is communicated with the atomizing cavity (25); and an atomizing core (30) connected to the heating top cover (20), wherein a first port (261) of the air inlet (26) is communicated with the atomizing cavity (25), a second port (211) of the aerosol outlet (21) is communicated with the atomizing cavity (25), and the first port (261) and the second port (211) are respectively located at two opposite sides of the atomizing core (30), such that the airflow more fully carries the aerosol generated on an atomizing surface (32) to flow to the aerosol outlet (21), so as to prevent the aerosol from being retained in the atomizing cavity (25), thereby effectively increasing the aerosol yield and improving the atomizing efficiency.

Description

electronic atomization device

【Technical field】

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

【Background technique】

In the existing electronic atomization device, ceramics are usually placed in the center of the pod tube, and the mist from both sides of the air intake at the bottom of the ceramic core enters the center of the pod tube through the heating top cover and exits the smoke tube, and then smokes in the consumer's mouth. Such an airway design is too far away from the atomization chamber to the flue, and there are too many corners in the airway, resulting in more aerosol residues in the atomization chamber and less aerosol in the mouth of consumers. Atomization efficiency is not high.

【Content of invention】

The present application mainly provides an electronic atomization device to solve the problems of less aerosol volume and low atomization efficiency of the electronic atomization device.

In order to solve the above technical problems, a technical solution adopted by the present application is to provide an electronic atomization device. The electronic atomization device includes: a heating top cover, including a cover body and a flow guide wall arranged on the cover body. hole, and the gas mist outlet hole is connected to the atomization chamber, and an air inlet is provided on the guide wall, and the air inlet is connected to the atomization chamber; the atomization core is connected to the heating top cover Connection; wherein, the first port of the air inlet communicates with the atomization cavity, the second port of the gas mist outlet hole communicates with the atomization cavity, the first port and the second port They are respectively located on two opposite sides of the atomizing core.

In some embodiments, the cover is provided with a liquid inlet hole, the atomizing core includes a liquid absorbing surface and an atomizing surface, the liquid absorbing surface covers the liquid inlet hole, and the atomizing surface is located at The atomization chamber.

In some embodiments, the atomizing surface includes a first side and a second side, the length of the first side is not less than the length of the second side, and the first port and the second port are respectively located at both sides of the first side.

In some embodiments, the flow guide wall is used to guide the airflow to the air inlet, and the flow guide wall is also used to preheat the airflow.

In some embodiments, the flow guiding wall is formed with an accommodating groove, the accommodating groove communicates with the liquid inlet hole, and the atomizing core is disposed in the accommodating groove.

In some embodiments, the cover is also used to transfer the heat generated by the atomizing core and preheat the airflow.

In some embodiments, the second port is located in the atomization chamber, and the gas mist outlet is spaced apart from the outer peripheral wall of the cover.

In some embodiments, the electronic atomization device further includes a base, the base is connected to the flow guide wall and is located on the side of the flow guide wall away from the cover, and the base is provided with at least an air hole, the air hole is located on the outside of the guide wall away from the atomization chamber;

Wherein, the air flows through the air holes along the guide wall to the air inlet.

In some embodiments, the electronic atomization device further includes an atomization chamber, the heating top cover is arranged in the atomization chamber, the base is sealed on the open end of the atomization chamber, and the The guide wall divides the area between the cover and the base into a preheating chamber and the atomizing chamber, and the preheating chamber is arranged around the atomizing chamber.

In some embodiments, the guide wall includes a guide ring wall and a barrier wall, the guide ring wall surrounds the atomization chamber, and the barrier wall connects the guide ring wall away from the One side of the atomization chamber.

In some embodiments, the guide wall further includes at least two positioning posts, the positioning posts are connected to the outer side of the guide ring wall away from the atomization chamber, and the positioning posts are used to connect with the base Alignment assembly;

The at least two positioning columns cooperate with the partition wall to divide the space outside the guide ring wall into at least four subspaces.

In some embodiments, the electronic atomization device further includes two electrodes, both of which are installed on the base and electrically connected to the atomizing core;

Wherein the two electrodes are respectively located on both sides of the air inlet, and the two sides of the air inlet are spaced apart along the circumference of the guide ring wall.

In some embodiments, the cover is provided with an air exchange groove, the air exchange groove is arranged around the liquid inlet hole, the air exchange groove communicates with the liquid inlet hole and the atomization chamber, the The ventilation groove has capillary action;

The electronic atomization device includes a gasket, the gasket covers the ventilation slot, and is located between the atomization core and the cover.

The beneficial effects of the present application are: different from the prior art, the present application discloses an electronic atomization device. By connecting the first port of the air inlet to the atomization chamber, and the second port of the gas mist outlet to the atomization chamber, the first port and the second port are arranged to be located on two opposite sides of the atomization core respectively, so that the airflow In the process of flowing from the air inlet to the aerosol outlet, the airflow can cross the atomization surface, which can take away the aerosol generated after atomization to a greater extent and with higher efficiency, that is, the airflow can carry the atomization surface more fully The aerosol generated above flows to the aerosol outlet to avoid the aerosol from staying in the atomization chamber, effectively increasing the aerosol yield and improving the atomization efficiency.

【Description of drawings】

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative work, wherein:

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

Fig. 2 is a schematic diagram of an exploded structure of the electronic atomization device shown in Fig. 1;

Fig. 3 is a schematic cross-sectional structural view of the electronic atomization device shown in Fig. 1;

Fig. 4 is a schematic diagram of the assembly structure of the heating top cover and the atomizing core shown in Fig. 3;

Fig. 5 is a schematic bottom view of the heating top cover shown in Fig. 4;

Fig. 6 is a schematic diagram of the assembly structure of the heating top cover and the base shown in Fig. 3;

FIG. 7 is a schematic structural view of the base of the electronic atomization device shown in FIG. 3 .

【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 the embodiments of the present application are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a 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 units inherent in these 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 this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

This application discloses an electronic atomization device 100, referring to Fig. 1 to Fig. 3, Fig. 1 is a schematic structural diagram of an embodiment of an electronic atomization device provided by this application, Fig. 2 is a disassembly of the electronic atomization device shown in Fig. 1 Schematic diagram of the structure, FIG. 3 is a schematic cross-sectional structural diagram of the electronic atomization device shown in FIG. 1 .

The electronic atomization device 100 is used to atomize the aerosol generating substrate to generate aerosol when it is powered on, which can be used in different fields, such as drug atomization, agricultural spraying, hairspray atomization and oil liquid atomization. Wherein, the aerosol-generating substrate can be e-liquid, medicinal liquid or nutrient liquid, etc.

The electronic atomization device 100 includes an atomization chamber 10, a heating top cover 20, an atomization core 30, a base 40, a battery 50, a control element (not shown) and a housing 64. The atomization chamber 10 is provided with a liquid storage chamber 12, The liquid storage chamber 12 is used to store the aerosol generating substrate, the heating top cover 20 is arranged in the atomization chamber 10, the atomizing core 30 is connected to the heating top cover 20, the base 40 is located on the side of the heating top cover 20 away from the liquid storage chamber 12 and It is connected with the atomizing chamber 10, the battery 50 is set on the base 40 and is electrically connected with the atomizing core 30, the control element is electrically connected with the battery 50 and is used to control the battery 50 to supply power to the atomizing core 30, and the shell 64 is set on the atomizing core 30. The periphery of the compartment 10, the base 40 and the battery 50.

In other implementations, the battery 50 may not be connected to the base 40 , but is disposed on the side of the base 40 away from the heating top cover 20 .

Specifically, as shown in FIG. 3 , the atomization chamber 10 includes a housing 11 and an air outlet pipe 13. The housing 11 is a cylindrical structure with one end closed and the other end open. The air outlet pipe 13 is located in the housing 11 and is connected to the housing. The closed end of 11 is connected and communicated with the outside world through the closed end, that is, the closed end is provided with an air outlet 14, and the air outlet pipe 13 communicates with the air outlet 14, and the user absorbs the electronic atomization device 100 through the air outlet pipe 13 and the air outlet 14 Aerosols generated within. Wherein the liquid storage chamber 12 is arranged between the casing 11 and the air outlet pipe 13 .

The heating top cover 20 is embedded in the casing 11 from the open end of the casing 11, and one end of the air outlet pipe 13 is inserted into the gas mist outlet hole 21 of the atomizing seat 20, and the connection between the atomizing seat 20 and the casing 11 Between and between the air outlet pipe 13 and the gas mist outlet hole 21 are all sealed to prevent liquid leakage.

The heating top cover 20 is also provided with a liquid inlet hole 22, and the aerosol generating substrate in the liquid storage chamber 12 flows to the atomizing core 30 through the liquid inlet hole 22, and the atomizing core 30 is used to atomize the aerosol generating substrate to generate gas. Sol.

Specifically, refer to FIG. 3 and FIG. 4 in conjunction, wherein FIG. 4 is a schematic diagram of the assembly structure of the heating top cover and the atomizing core shown in FIG. 3 .

The heating top cover 20 includes a cover body 23 and a guide wall 24 arranged on the cover body 23. The cover body 23 is provided with a liquid inlet hole 22 and an aerosol outlet hole 21, and the liquid inlet hole 22 and the aerosol outlet hole 21 are connected by The diversion wall 24 is arranged around the atomization chamber 25 , and the diversion wall 24 is provided with an air inlet 26 connected to the atomization chamber 25 .

Wherein the cover body 23 is embedded in the casing 11, and the air outlet pipe 13 is inserted in the gas mist outlet hole 21. The electronic atomization device 100 also includes a top cover seal 61, and the top cover seal 61 is arranged on the cover body 23 to face One end of the liquid storage cavity 12 is arranged so as to seal between the atomization seat 20 and the casing 11 and between the air outlet pipe 13 and the gas mist outlet hole 21 .

The atomizing core 30 is connected to the heating top cover 20 , and the atomizing core 30 is arranged corresponding to the liquid inlet hole 22 . The atomizing core 30 has a liquid-absorbing surface 31 and an atomizing surface 32, the liquid-absorbing surface 31 covers the liquid inlet hole 22, that is, the liquid-absorbing surface 31 completely blocks the liquid inlet hole 22, so that the liquid in the liquid storage chamber 12 can pass through The liquid inlet hole 22 flows to the liquid-absorbing surface 31 of the atomizing core 30, and the atomizing surface 32 is located in the atomizing chamber 25, and the atomizing core 30 guides the aerosol generating substrate from the side where the liquid-absorbing surface 31 is located to the side where the atomizing surface 32 is located. One side, and is atomized on the atomizing surface 32 to generate an aerosol.

Wherein, the first port 261 of the air inlet 26 is connected to the atomizing chamber 25, the second port 211 of the gas mist outlet 21 is connected to the atomizing chamber 25, and the first port 261 and the second port 211 are located at the atomizing core 30 respectively. The airflow enters the atomizing chamber 25 from the air inlet 26 and flows through the atomizing surface 32 and the gas mist outlet hole 21 in sequence.

In one embodiment, the atomizing core 30 is rectangular, and it also has a first side 33 and a second side 34, the first side 33 and the second side 34 are opposite to each other, and the first side 33 and the second side The two sides 34 are all adjacent to the liquid-absorbing surface 31 and the atomizing surface 32, wherein the second port 211 is located on the side where the first side 33 is located, and the first port 261 is located on the side where the second side 34 is located, so that the air flow enters When the air port 26 flows to the aerosol outlet 21, the airflow can cross the atomization surface 32, and then the aerosol generated after atomization can be taken away to a greater extent and more efficiently, that is, the airflow can carry the atomization more fully. The aerosol generated on the surface 32 flows to the air outlet pipe 13 to prevent the aerosol from staying in the atomizing chamber 25, effectively increasing the yield of the aerosol and improving the atomization efficiency.

In this embodiment, the atomizing surface 32 is a rectangular surface, which includes two opposite first sides 321 and two opposite second sides 322, the length of the first side 321 is not less than the length of the second side 322, the first The port 261 and the second port 211 are respectively located on both sides of the two first sides 321, and the airflow flowing through the air inlet 26 to the gas mist outlet 21 flows along the interval direction from one first side 321 to the other first side 321. The atomizing surface 32 , that is, the length dimension of the airflow roughly crossing the second side 322 can cross the atomizing surface 32 to efficiently and quickly carry away the generated aerosol.

In other embodiments, the first port 261 and the second port 211 can also be located on both sides of the two second sides 322, so that the airflow flowing through the air inlet 26 to the mist outlet 21 is directed along a second side 322. The spacing direction of the other second side 322 crosses the atomizing surface 32 so as to take away the aerosol generated after atomization to a greater extent and with higher efficiency.

In other embodiments, the atomizing surface 32 can also be a circular surface or an elliptical surface, etc., and the airflow generally crosses the atomizing surface 32 along a straight line; the atomizing core 30 can also be in the shape of a trapezoid, a cylinder, etc. There is no specific limitation on this.

In this embodiment, the second port 211 is located in the atomization chamber 25, and the gas mist outlet hole 21 is spaced from the outer peripheral wall of the cover body 23. In other words, the gas mist outlet hole 21 directly communicates with the atomization chamber 25, and the atomizer The airflow from the cavity 25 to the aerosol outlet 21 does not need to pass through the inner peripheral wall of the housing 11, which eliminates the risk of condensation of the aerosol generated by the atomization in contact with the inner peripheral wall of the housing 11, effectively reducing the aerosol due to The risk of condensation remaining in the atomizing chamber 25 can further increase the aerosol yield of the electronic atomizing device 100 .

Specifically, the aerosol outlet hole 21 is a through hole, and it directly communicates with the atomization chamber 25 , so that the aerosol generated in the atomization chamber 25 can directly lead to the air outlet pipe 13 without passing through the inner peripheral wall of the casing 11 .

Optionally, the path of the gas mist exit hole 21 can also be curved, and the second port 211 can also be located outside the atomization chamber 25, and the airflow from the atomization chamber 25 to the second port 211 can also flow through the housing 11. inner wall.

In this embodiment, the gas mist outlet hole 21 is centrally arranged on the cover body 23, and the gas mist outlet hole 21 is spaced apart from the outer peripheral wall of the cover body 23. The air outlet pipe 13 is a straight pipe, and one end of the air outlet pipe 13 is connected to the The gas mist outlet hole 21, so that the air flow can go straight to the air outlet pipe 13 through the air mist outlet hole 21 in the atomization chamber 25, that is, the air flow can flow to the air outlet pipe 13 in the shortest path, without the need for two holes from the top cover in the existing atomization device. The side winding to the aerosol outlet hole 21 relatively shortens the path of the airflow carrying the aerosol, and reduces the time for the aerosol to travel from the atomization chamber 25 to the air outlet hole 14, so that the temperature drop of the aerosol can be effectively alleviated. In turn, it can increase the aerosol yield and reduce condensate, so that the aerosol entering the user's mouth can maintain a higher temperature, so as to bring a better taste to the user.

The gas mist outlet 21 is centrally arranged on the cover body 23, and the air inlet 26 is relatively eccentrically arranged. The air inlet 26 and the gas mist outlet 21 are respectively located on both sides of the two first sides 321, so that the electrons can be relatively reduced. The size of the atomizing device 100 along the direction of the second side 322 facilitates the miniaturization of the electronic atomizing device 100 and is convenient for users to carry.

Continuing to refer to FIG. 2 and FIG. 3 , the base 40 is set on the side of the heating top cover 20 away from the liquid storage chamber 12 , wherein the base 40 can be physically connected with the atomization chamber 10 , for example, the base 40 is locked with the housing 11 of the atomization chamber 10 At the same time, the side of the base 40 facing the heating top cover 20 abuts against one end of the guide wall 24, or the base 40 is embedded in the housing 11 from the open end of the atomization chamber 10, and At the same time, the base 40 is physically connected to the flow guide wall 24 or the base 40 abuts against one end of the flow guide wall 24 .

In this embodiment, the base 40 is connected to the flow guide wall 24 and is located on the side of the flow guide wall 24 facing away from the cover 23 . The base 40 is provided with at least one air hole 41 , and the air hole 41 is located on the flow guide wall 24 away from the atomization chamber 25 Wherein, the air flows through the air hole 41 along the guide wall 24 to the air inlet 26 .

Specifically, the housing 10 is provided with bayonet sockets, and the outer periphery of the base 40 is provided with bayonet teeth, which are used to engage with the bayonet sockets on the housing 10; furthermore, the base 40 is also engaged with the guide wall 24 Or the base 40 can also be plugged with the guide wall 24, for example, one of them is provided with a positioning column, and the other is provided with a positioning hole assembled with the positioning column, and the positioning column and the positioning hole are plugged together .

The electronic atomization device 100 also includes a base seal 62 , which is provided on the end of the base 40 facing the heating top cover 20 , so that the base 20 and the housing 11 and the base 40 and the guide wall 24 are all sealed. Set, so as to ensure that in the space between the heating top cover 20 and the base 40, the airflow flows through the air hole 41, the guide wall 24, the air inlet 26, the atomizing surface 32 and the aerosol outlet hole 21 in sequence, so as to avoid uncontrolled airflow spill freely.

Referring to Figures 5 to 7 in combination, Figure 5 is a schematic view of the bottom-view structure of the heating top cover shown in Figure 4, Figure 6 is a schematic view of the assembly structure of the heating top cover and base shown in Figure 3, and Figure 7 is a schematic diagram of the electronic fog shown in Figure 3 Schematic diagram of the structure of the base in the chemical device.

Specifically, as shown in FIGS. 5 and 6 , the flow guide wall 24 divides the space between the cover body 23 and the base 40 into two layers of inner and outer spaces, wherein the inner space is surrounded by the fog formed by the flow guide wall 24 . The outer space of the atomizing chamber 25 is the preheating chamber 27 between the outside of the guide wall 24 away from the atomizing chamber 25 and the inner wall of the housing 11. The preheating chamber 27 is arranged around the atomizing chamber 25 so that the atomizing chamber 25 It is isolated from the inner peripheral wall of the housing 11, wherein the air hole 41 communicates with the atmosphere and the preheating chamber 27, and then the airflow needs to enter the atomization chamber 25 through the preheating chamber 27, and the preheating chamber 27 is used to preheat and store the airflow Condensate, which in turn makes the temperature of the airflow into the atomization chamber 25 higher and the humidity lower, and the preheating chamber 27 also has the effect of keeping the atomization chamber 25 warm, which can effectively slow down the temperature overflow of the atomization chamber 25 The speed helps to maintain a higher temperature in the atomization chamber 25 to improve the atomization efficiency.

Specifically, the deflector wall 24 is used to guide the airflow to the air inlet 26 and preheat the airflow.

The atomizing core 30 can be connected with the cover body 23 and/or the flow guide wall 24, the atomization core 30 generates heat during operation and spreads the heat to its peripheral side, the flow guide wall 24 can transfer the heat generated by the atomization core 30, To preheat the airflow entering through the air holes 41 when flowing in the preheating cavity 27 .

And the air holes 41 are located on the guide wall 24 away from the preheating chamber 27 on the outside of the atomizing chamber 25, instead of directly leading to the atomizing chamber 25, which increases the time and path length for the airflow to enter the atomizing chamber 25, thereby efficiently controlling the airflow. to warm up.

In this embodiment, as shown in FIG. 5 , the flow guide wall 24 is formed with an accommodation groove 28, the accommodation groove 28 communicates with the liquid inlet hole 22, the atomizing core 30 is arranged in the accommodation groove 28, and the flow guide wall 24 can The heat generated by the atomizing core 30 is transferred, so that the atomizing core 30 can be in close contact with the flow guide wall 24 to transfer heat more efficiently.

Furthermore, the cover body 23 can also transfer the heat generated by the atomizing core 30 and can preheat the airflow.

In other embodiments, the cover body 23 may be provided with an accommodating groove 28 communicating with the liquid inlet hole 22 .

In this embodiment, the cover body 23 is provided with a ventilation groove 230, and the ventilation groove 230 is arranged around the liquid inlet hole 22. The ventilation groove 230 communicates with the liquid inlet hole 22 and the atomization chamber 25, and the ventilation groove 230 has capillary action; The electronic atomization device 100 includes a gasket 63, the gasket 63 covers the ventilation groove 230, and is located between the atomization core 30 and the cover body 23, so that the liquid storage chamber 12 can adjust the internal air pressure through the ventilation groove 230 to This avoids the occurrence of dry burning caused by insufficient liquid supply to the atomizing core 30 due to poor liquid flow caused by the drop in internal air pressure.

Further, the outer side of the flow guide wall 24 and the side of the cover 23 facing the base 40 are provided with a plurality of condensation grooves, so that the flow of the air flow along the flow guide wall 24 in the preheating chamber 27 can provide protection for the air flow. Condensation efficiency, to reduce the humidity of the airflow, so that the airflow entering the atomization chamber 25 is drier, so that the atomization efficiency can be improved and the generated aerosol can be carried more efficiently, so as to increase the aerosol yield and reduce the aerosol humidity.

As shown in Figures 5 and 6, the guide wall 24 includes a guide ring wall 242 and a barrier wall 244, the guide ring wall 242 surrounds the atomization chamber 25, and the barrier wall 244 connects the guide ring wall 242 away from the atomization One side of the cavity 25 ; the base 40 is provided with a plurality of air holes 41 , and the plurality of air holes 41 are respectively located on both sides of the partition wall 244 .

Specifically, the partition wall 244 can divide the preheating chamber 27 outside the guide ring wall 242 into two subspaces, and there is a gap between the partition wall 244 and the inner wall of the housing 11 to increase the flow of the two subspaces. and a plurality of air holes 41 are divided into two parts and arranged on both sides of the partition wall 244 respectively to provide an airflow entry position in the two subspaces, so that the airflow at the two places flows in the corresponding subspaces respectively, so as to more fully Preheat the airflow to improve the preheating efficiency.

Further, the guide wall 24 also includes at least two positioning posts 246 , the positioning posts 246 are connected to the outer side of the guide ring wall 242 facing away from the atomization chamber 25 , and the positioning posts 246 are used for alignment and assembly with the base 40 .

In this embodiment, alignment holes are provided on the positioning posts 246, alignment posts 43 are provided on the base 40, and the alignment posts are inserted into the alignment holes, so that the heating top cover 20 and the base 40 are assembled in alignment, thereby simplifying The assembly difficulty between them improves the assembly efficiency.

Optionally, the base 40 is provided with a positioning hole, and the positioning column 246 fits into the positioning hole, which can also simplify the difficulty of assembling between the base 40 and the heating top cover 20 .

In this embodiment, the at least two positioning columns 246 cooperate with the barrier wall 244 to divide the preheating chamber 27 outside the guide ring wall 242 into at least four subspaces, and the plurality of air holes 41 are respectively located on two sides of the barrier wall 244. within a subspace.

There is a gap between the positioning column 246 and the inner wall of the housing 11, and the four subspaces are connected. A subspace is formed between them, a subspace is formed between the positioning column 246 and the air inlet 26 , and a subspace can also be formed between two adjacent positioning columns 246 on one side of the barrier wall 244 .

For example, the number of positioning columns 246 is two, and they are respectively located on both sides of the partition wall 244, so that two subspaces are formed between the partition wall 244 and the adjacent positioning columns 246 on the left and right sides, and the positioning of the left and right sides Two sub-spaces are formed between the column 246 and the air inlet 26, that is, the airflow on the side separated by the partition wall 244 needs to pass through two sub-spaces to enter the air inlet 26, and the positioning column 246 is arranged on the guide ring wall 242 The outer side of the housing 11 forms a smaller gap, that is, the positioning column 246 can slow down the flow velocity of the airflow, so as to increase the time it takes for the airflow to flow through the preheating chamber 27, so that the airflow can be more fully preheated , to further improve the atomization efficiency.

The electronic atomization device 100 also includes two electrodes 70, both of which are installed on the base 40 and are electrically connected to the atomizing core 30; wherein the two electrodes 70 are respectively arranged adjacent to the two sides of the air inlet 26, and the two electrodes 70 are The side edges are spaced apart along the circumference of the guide ring wall 242 . In a preferred embodiment, the two electrodes 70 are arranged at intervals along the extension direction of the first side 321, so that the blocking effect of the electrodes 70 on the airflow entering the atomizing chamber 25 from the air inlet 26 can be reduced, and the airflow can relatively The flow is smoother, and most of the airflow entering the atomization chamber 25 from the air inlet 26 passes between the two electrodes 70, which can also efficiently take away the aerosol generated between the two electrodes 70 and improve the aerosol output. Yield.

Different from the situation in the prior art, the present application discloses an electronic atomization device. By setting the air inlet and the mist outlet on opposite sides of the atomizing core, the airflow can cross the atomization surface during the process of the airflow from the air inlet to the air mist outlet, which can be more harmonious Take away the aerosol generated after atomization more efficiently, that is, the airflow can more fully carry the aerosol generated on the atomization surface to the aerosol outlet hole, so as to avoid the aerosol staying in the atomization chamber and effectively improve the aerosol Sol yield, and help to improve atomization efficiency.

The above is only an embodiment of the application, and does not limit the patent scope 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 technologies fields, are all included in the scope of patent protection of this application in the same way.

Claims

An electronic atomization device, characterized in that the electronic atomization device comprises:

The heating top cover includes a cover body and a flow guide wall arranged on the cover body. The flow guide wall is ring-shaped to form an atomization chamber. The cover body is provided with a gas mist outlet hole, and the gas mist outlet The hole communicates with the atomization chamber, and the guide wall is provided with an air inlet, and the air inlet communicates with the atomization chamber;

an atomizing core connected to the heating top cover;

Wherein, the first port of the air inlet is connected to the atomization chamber, the second port of the gas mist outlet is connected to the atomization chamber, and the first port and the second port are respectively located at Two opposite sides of the atomizing core.
The electronic atomization device according to claim 1, wherein the cover is provided with a liquid inlet hole, the atomizing core includes a liquid-absorbing surface and an atomizing surface, and the liquid-absorbing surface covers the The liquid inlet hole, the atomization surface is located in the atomization chamber.
The electronic atomization device according to claim 2, wherein the atomization surface includes a first side and a second side, the length of the first side is not less than the length of the second side, and the second side A port and the second port are respectively located on two sides of the first side.
The electronic atomization device according to claim 1, wherein the flow guide wall is used to guide the airflow to the air inlet, and the flow guide wall is also used to preheat the airflow.
The electronic atomization device according to claim 4, characterized in that, the guide wall is formed with an accommodating groove, the accommodating groove communicates with the liquid inlet hole, and the atomizing core is arranged in the accommodating in the slot.
The electronic atomization device according to claim 5, wherein the cover is also used to transfer the heat generated by the atomization core and preheat the airflow.
The electronic atomization device according to claim 1, wherein the second port is located in the atomization chamber, and the gas mist outlet hole is spaced apart from the outer peripheral wall of the cover.
The electronic atomization device according to claim 1, wherein the electronic atomization device further comprises a base, the base is connected to the flow guide wall, and is located at the side of the flow guide wall away from the cover. On one side, at least one air hole is provided on the base, and the air hole is located on the outside of the guide wall away from the atomization chamber;

Wherein, the air flows through the air holes along the guide wall to the air inlet.
The electronic atomization device according to claim 8, characterized in that, the electronic atomization device further comprises an atomization chamber, the heating top cover is arranged in the atomization chamber, and the base is sealed in the atomization chamber. At the open end of the atomization chamber, the guide wall divides the area between the cover and the base into a preheating chamber and the atomizing chamber, and the preheating chamber surrounds the atomizing chamber.
The electronic atomization device according to claim 8, wherein the guide wall comprises a guide ring wall and a barrier wall, the guide ring wall surrounds the atomization chamber, and the barrier wall Connecting to the side of the guide ring wall away from the atomization chamber.
The electronic atomization device according to claim 10, wherein the guide wall further comprises at least two positioning posts, and the positioning posts are connected to the outer side of the guide ring wall away from the atomization chamber, The positioning column is used for aligning and assembling with the base;

The at least two positioning columns cooperate with the partition wall to divide the space outside the guide ring wall into at least four subspaces.
The electronic atomization device according to claim 10, characterized in that the electronic atomization device further comprises two electrodes, both of which are installed on the base and are electrically connected to the atomization core;

Wherein the two electrodes are respectively located on both sides of the air inlet, and the two sides of the air inlet are spaced apart along the circumference of the guide ring wall.
The electronic atomization device according to claim 1, characterized in that, the cover is provided with a ventilation groove, the ventilation groove is arranged around the liquid inlet hole, and the ventilation groove communicates with the liquid inlet The hole and the atomization chamber, the ventilation groove has a capillary effect;

The electronic atomization device includes a gasket, the gasket covers the ventilation slot, and is located between the atomization core and the cover.