WO2022188518A2

WO2022188518A2 - Atomizer and electronic atomizing device

Info

Publication number: WO2022188518A2
Application number: PCT/CN2021/142853
Authority: WO
Inventors: 赵月阳; 夏畅; 龚博学; 吕铭
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-15
Also published as: WO2022188518A3

Abstract

Disclosed in the present application are an atomizer and an electronic atomizing device. The atomizer comprises: a housing internally provided with a liquid storage cavity for storing a liquid; an atomizing base internally provided with a liquid supply channel in communication with the liquid storage cavity; a heating body fixed on the atomizing base and having a liquid-absorbing surface in communication with the liquid supply channel; and a liquid-locking member having a liquid-locking opening in communication with the liquid supply channel and a liquid-locking space in communication with the liquid-absorbing surface, wherein the liquid-locking opening is in communication with the liquid-locking space. By arranging the liquid limiting member having the liquid limiting space above the liquid absorbing surface of the heating body, and by arranging the liquid limiting opening in communication with the liquid supply channel on the liquid limiting member, when the atomizer is inverted, the size of the liquid limiting opening is adapted to cutting off a liquid connection at the liquid limiting opening, thereby limiting the liquid in the liquid limiting space; and the liquid absorbing surface of the heating body can absorb the liquid in the liquid limiting space, thereby avoiding the problems of generating a burnt smell, and even burning out a heating element on the heating body due to burning of the heating body.

Description

A kind of atomizer and electronic atomization device

technical field

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

Background technique

The electronic atomization device generally includes an atomizer, a battery and a control circuit, wherein the atomizer includes a liquid storage tank, a heating body, an atomization seat, and the like. The heating body is fixed on the atomizing seat, and the atomizing seat is provided with a liquid inlet channel, and the liquid in the liquid storage tank reaches the heating body through the liquid inlet channel. The heating element is generally arranged under the liquid storage tank. During normal suction, the liquid flows to the heating element under the action of gravity. However, if the user lies or lifts his head for suction, the heating element is located above the liquid storage tank, and the liquid cannot be supplied, which will cause the heating element to dry and produce a burnt smell, and even burn out the heating element on the heating element, so it needs to be improved.

SUMMARY OF THE INVENTION

Therefore, the technical problem to be solved by the present application is to overcome the defects of the prior art atomizers that are prone to produce burnt smell due to insufficient liquid supply during upside-down suction, and even burn out the heating elements on the heating element, thereby providing an atomizer. chemicalizer.

In order to solve the above-mentioned technical problems, the technical scheme of the present application is as follows:

An atomizer comprising:

The shell has a liquid storage cavity inside;

The atomization seat is internally provided with a liquid supply channel that communicates with the liquid storage cavity;

The heating element is fixed on the atomization seat, and has a liquid suction surface communicated with the liquid supply channel;

The liquid locking member is located between the liquid supply channel and the liquid suction surface of the heating body, and has a liquid locking opening communicated with the liquid supply channel and a liquid locking space communicated with the liquid suction surface; the lock The liquid opening communicates with the liquid locking space.

Optionally, the fluid lock opening is sized to sever the fluid connection within the fluid lock opening when the housing is tilted or inverted.

Optionally, the width of the liquid locking opening is in the range of 0.4-1.5 mm.

Optionally, the liquid locking member includes two long side walls and two short side walls enclosed in a frame shape, and an upper top wall is connected between the two long side walls, and the upper top wall is There is a space between the liquid absorbing surface of the heating element and the heating element; the opening enclosed between the upper top wall, the short side wall and the two long side walls is the liquid locking opening. The distance between the upper top wall and the short side walls is the width of the liquid locking opening; the space formed between the upper top wall and the liquid absorbing surface of the heating element is the liquid locking space.

Optionally, an exhaust hole communicated with the liquid locking space is opened on the upper top wall.

Optionally, the diameter of the exhaust hole is 0.8-1.5mm.

Optionally, the distance between the inner top surface of the upper top wall and the liquid suction surface is 0.5-1.5 mm.

Optionally, a choke groove is provided on the inner top surface of the upper top wall, the choke groove has a top opening and an end opening, the top opening faces the liquid absorbing surface of the heating element, and the end The opening is communicated with the liquid locking opening.

Optionally, the width of the choke groove is 0.2-0.5mm, and the depth of the choke groove is 0.1-0.5mm.

Optionally, the liquid locking member is fixedly connected to the atomizing seat through a buckle structure.

Optionally, the heating body includes a sheet-shaped base body and a heating element disposed on the surface of the base body; the thickness of the base body is 0.1-3.0 mm.

Optionally, the heating element is arranged on the atomizing surface of the base body, the liquid absorbing surface is the other surface of the base body facing away from the atomizing surface, and the surface and the suction channel of the atomizing surface.

Optionally, the suction channel is a pore channel, and the pore size of the pore channel is 1-100 μm.

Optionally, the atomizing seat includes an upper atomizing seat and a lower atomizing seat, the lower atomizing seat is sealingly connected to the open end of the casing, and the upper atomizing seat is connected to the lower atomizing seat. The atomizing seat faces the side of the liquid storage cavity, and the liquid supply channel is arranged in the upper atomizing seat; the lower atomizing seat has an atomizing cavity inside, and the lower atomizing seat is provided with a supply for External air enters the air inlet of the atomizing chamber; the heating body is located between the upper atomizing seat and the lower atomizing seat, and the atomizing surface of the heating body communicates with the atomizing chamber.

Optionally, the closed end of the casing is connected with an air duct extending toward the liquid storage cavity and connected with the upper atomizing seat, and the upper atomizing seat is provided with the air duct connecting the air duct and the The atomizing gas channel of the atomizing chamber.

Optionally, the heating element is sealingly connected to the upper atomizing seat through a first sealing member, and the liquid locking member is sealingly connected to the first sealing member.

Optionally, the upper atomizing seat is sealingly connected to the casing through a second sealing member.

The present application also provides an electronic atomization device, comprising a power supply and the atomizer as described above, and the power supply and the atomizer are electrically connected.

The technical solution of the present application has the following advantages:

1. The atomizer provided by this application is provided with a liquid locking member between the liquid supply channel of the atomization seat and the liquid suction surface of the heating element, and the liquid locking member is provided with a liquid locking opening that communicates with the liquid supply channel and is connected with the liquid suction. The liquid-locking space with the same surface, the liquid-locking opening and the liquid-locking space are connected; when the atomizer is placed in the forward direction, the liquid in the liquid storage chamber passes through the liquid supply channel on the atomizing seat and the liquid-locking part under the action of gravity. The liquid-locking opening flows to the liquid-absorbing surface of the heating element, and remains in the liquid-locking space above the liquid-absorbing surface and between the liquid-locking parts; when the atomizer is tilted or inverted, the liquid remaining in the liquid-locking space will affect the liquid supply. The liquid in the channel has enough pulling force, and the liquid in the liquid supply channel is not easy to return to the liquid storage cavity and thus locked in the liquid locking space, even if the liquid in the liquid supply channel is pulled away by most of the liquid in the liquid storage cavity, due to The pulling force of the liquid in the liquid locking space to the liquid in the liquid locking opening is opposite to the pulling force of the liquid in the liquid storage chamber + liquid supply channel to the liquid in the liquid locking opening, and the liquid will be pulled off at the liquid locking opening, cutting off the liquid locking opening At this time, although the liquid in the liquid storage chamber cannot flow to the liquid absorption surface of the heating element, the liquid absorption surface of the heating element can still absorb the liquid remaining in the liquid locking space, thus avoiding the dry burning of the heating element. smell, or even burn out the heating element on the heating element.

2. In the atomizer provided by this application, when the width of the liquid locking opening is less than 0.4mm, it will affect the amount of aerosol generated when the atomizer is pumping forward. When the width of the liquid locking opening is greater than 1.5mm, it cannot be cut off. The liquid connection at the liquid locking opening; the width of the liquid locking opening is set between 0.4-1.5mm, which can not only achieve the liquid locking effect, but also avoid the influence on the amount of aerosol generated during the positive suction of the atomizer.

3. The atomizer provided by this application is provided with a vent hole on the upper top wall of the liquid locking member, so that the bubbles generated on the liquid suction surface of the heating element can grow upward, avoiding the lateral growth of the bubbles and blocking the liquid suction surface of the heating element. .

4. In the atomizer provided by this application, when the distance between the inner top surface of the upper top wall and the liquid-absorbing surface of the heating element is less than 0.5 mm, it is easy to cause the problem that bubbles block the liquid-absorbing surface of the heating element; When the distance between the inner top surface of the nebulizer and the suction surface of the heating element is greater than 1.5mm, there will be a lot of liquid remaining in the liquid lock space, and the liquid-connecting film on the exhaust hole is easily damaged due to the excessive gravity of the liquid when the atomizer is inverted. be destroyed, so that the lock cannot be achieved. The distance between the inner top surface of the upper top wall and the liquid-absorbing surface of the heating element is set between 0.5-1.5 mm, which can not only lock the liquid but also prevent the bubbles from blocking the liquid-absorbing surface of the heating element.

5. The atomizer provided by this application is provided with a choke groove on the inner top surface of the upper top wall. When the atomizer is inverted, the flow resistance of the liquid can be increased, and the liquid connection can be cut off with the lock liquid gap to achieve a better lock. purpose of the liquid.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. The drawings are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of the overall structure of an atomizer provided by an embodiment of the application;

2 is a cross-sectional view of an atomizer provided by an embodiment of the application;

3 is a schematic diagram of the overall structure of the atomizing seat provided by the embodiment of the present application;

Fig. 4 is the exploded schematic diagram of Fig. 3;

5 is a schematic diagram of the positional relationship between the heating element and the lower atomizing seat in the embodiment of the application;

6 is a schematic structural diagram of the first surface of the liquid locking member in the embodiment of the application;

7 is a schematic structural diagram of the second surface of the liquid locking member in the embodiment of the application;

FIG. 8 is a schematic diagram of the atomization surface of the heating element in the application.

Description of reference numerals: 10, atomizer; 1, housing; 101, liquid storage chamber; 102, airway; 103, aerosol outlet; 20, atomization seat; 2, upper atomization seat; 201, liquid supply channel; 202, atomizing gas channel; 3, lower atomizing seat; 301, atomizing cavity; 302, air inlet; 4, heating element; 401, suction surface; 402, atomization surface; 403, suction channel ; 404, heating film; 5, liquid locking part; 501, liquid locking opening; 502, liquid locking space; 503, interval; 51, side wall; 52, upper top wall; 53, exhaust hole; 54, blocking flow Slot; 541, top opening; 542, end opening; 55, snap; 56, boss; 57, short side wall; 58, limit structure; 6, first seal; 601, flange; 7, second seal.

Detailed ways

The technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations on this application. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict with each other.

The present application provides an atomizer, the atomizer 10 is used for the atomization of liquid substrates such as flavor liquids, medicinal liquids, etc. The atomizer 10 is used for storing the liquid substrates and atomizing the liquid substrates to form a liquid substrate that can be used for users. Inhaled aerosols.

As shown in Figures 1-4, the atomizer 10 includes a housing 1, an atomizing seat 20 and a heating element 4, and the atomizing seat 20 includes an upper atomizing seat 2 and a lower atomizing seat 3, wherein the housing 1 is one end The casing structure has an open end and has a liquid storage chamber 101 inside, and the liquid storage chamber 101 is used to store the liquid matrix. The lower atomization seat 3 is sealingly connected to the open end of the casing 1 and blocks the liquid storage chamber 101, the upper atomization seat 2 is connected to the side of the lower atomization seat 3 facing the liquid storage chamber 101, and the upper atomization seat 2 and the liquid storage chamber 101 are connected. A second sealing member 7 is provided between the inner walls of the housing 1 ; a liquid supply channel 201 communicated with the liquid storage chamber 101 is provided inside the upper atomizing seat 2 . The lower atomization seat 3 has an atomization cavity 301 inside, and the bottom of the lower atomization seat 3 is provided with an air inlet for external air to enter the atomization cavity 301; The air duct 102 connected to the upper atomizing seat 2 is provided with an atomizing gas channel 202 connecting the air duct 102 and the atomizing cavity 301 on the upper atomizing seat 2 . The heating body 4 is located between the upper atomizing seat 2 and the lower atomizing seat 3 , and the atomizing surface 402 of the heating body 4 communicates with the atomizing cavity 301 . The atomizing surface 402 of the heating element 4 generates aerosol in the atomizing chamber 301 , and the aerosol is introduced into the air duct 102 through the atomizing gas channel 202 , and the air duct 102 is used to guide the aerosol through the aerosol outlet 103 on the housing 1 . user's mouth.

As shown in FIGS. 2-4 and 8 , the heating element 4 is in the shape of a sheet, and the heating element 4 is sealed and connected to the bottom of the upper atomizing seat 2 through the first sealing member 6 . The heating body 4 includes a thin substrate and a heating element arranged on the substrate, the thickness of the substrate is 0.1-3.0 mm; the atomizing surface 402 is a surface of the substrate, and the heating element is specifically arranged on the atomizing surface of the substrate. The heating film 404, the heating film 404 is S-shaped in the middle part of the atomization surface 402 of the base. The base body also has a liquid absorbing surface 401 that communicates with the liquid supply channel 201 in the upper atomizing seat 2. The liquid absorbing surface 401 and the atomizing surface 402 are respectively opposite surfaces of the base body; 402, the liquid on the liquid storage chamber 101 can flow to the liquid suction surface 401 of the substrate through the liquid supply channel 201 to be absorbed by the substrate, and flow to the atomization surface 402 of the substrate through the liquid suction channel 403. The liquid suction channel 403 can be a micro-channel provided on the substrate, and the pore size of the micro-channel is between 1-100 μm; Or the matrix itself is a loose and porous structure, such as porous ceramics, fiber cotton, etc., the liquid can flow into the atomizing surface 402 of the matrix through the pores on the porous structure. During the working process of the heating film 404, the liquid on the atomizing surface 402 is heated and atomized to form an aerosol.

A liquid locking member 5 is also provided between the liquid supply channel 201 and the liquid suction surface 401 of the heating element 4 . The liquid locking member 5 has a liquid locking opening 501 communicating with the liquid supply channel 201 and a liquid locking space 502 communicating with the liquid suction surface 401; the liquid locking opening 501 and the liquid locking space 502 pass between the liquid locking member 5 and the liquid suction surface 401 gaps are connected.

In this atomizer 10, a liquid locking member 5 is arranged above the liquid suction surface 401 of the heating element 4, and a liquid locking opening 501 communicated with the liquid supply channel 201 is provided on the liquid locking member 5 and communicated with the liquid suction surface 401. When the atomizer 10 is placed in the forward direction, the liquid in the liquid storage chamber 101 passes through the liquid supply channel 201 on the upper atomizer seat 2 under the action of gravity , The liquid-locking opening 501 on the liquid-locking member 5 flows to the liquid-absorbing surface 401 of the heating element 4, and remains in the liquid-locking space 502 above the heating element 4; when the atomizer 10 is tilted or inverted, the liquid-locking space 502 The retained liquid will have sufficient pulling force on the liquid in the liquid supply channel 201, and the liquid in the liquid supply channel 201 will not easily flow back to the liquid storage chamber 101 to be locked in the liquid locking opening 501, even if the liquid in the liquid supply channel 201 is blocked. Most of the liquid in the liquid storage cavity 101 is pulled away, due to the pulling force of the liquid in the liquid locking space 502 to the liquid in the liquid locking opening 501 and the direction of the pulling force of the liquid in the liquid storage cavity 101 + the liquid supply channel 201 to the liquid in the liquid locking opening 501 On the contrary, the liquid will be pulled off at the liquid locking opening 501, and the liquid connection at the liquid locking opening 501 will be cut off, so that the liquid will be locked in the liquid locking space 502. At this time, although the liquid in the liquid storage chamber 101 cannot flow to the heating However, the liquid absorbing surface 401 of the heating element 4 can still absorb the liquid remaining in the liquid locking space 502, thereby avoiding the burning smell of the heating element 4 from dry burning, or even burning off the heating on the heating element 4. component problem.

The liquid lock opening 501 is sized to cut off the liquid connection within the liquid lock opening 501 when the housing 1 is tilted or inverted. Specifically, the width of the liquid locking opening 501 is 0.4-1.5 mm; preferably 0.6-1.0 mm. When the width of the liquid locking opening 501 is less than 0.4 mm, it will affect the amount of aerosol generated when the atomizer 10 is pumping in the forward direction. When the width of the liquid locking opening 501 is greater than 1.5 mm, the liquid at the liquid locking opening 501 cannot be cut off. Connection; the width of the liquid locking opening 501 is set between 0.6-1.0 mm, which can not only achieve the liquid locking effect, but also avoid the influence on the amount of aerosol generated when the atomizer 10 is pumping forward.

Specifically, the first sealing member 6 is annular, and the outer side of the first sealing member 6 is provided with a flange 601 extending toward the outer wall of the heating body 4 to limit the position of the heating body 4.

As shown in FIGS. 5-7 , in some embodiments, the liquid locking member 5 is square as a whole, including two long side walls 51 and two short side walls 57 that enclose a rectangular frame structure, and are integrally formed on the The upper top wall 52 above the two long side walls 51 ; there is a gap 503 between the upper top wall 52 and the liquid absorbing surface 401 of the heating element 4 . The opening enclosed between the upper top wall 52, the short side wall 57 and the two long side walls 51 is the liquid locking opening 501, and the distance between the upper top wall 52 and the short side wall 57 is the liquid locking opening 501. width. The space formed between the upper top wall 52 and the liquid-absorbing surface 401 of the heating element 4 is the liquid-locking space 502 . The upper top wall 52 and the two short side walls 57 are provided with a limiting structure 58 . The top of the limiting structure 58 is in contact with the lower bottom surface of the upper atomizing seat 2 to prevent the liquid locking member 5 from moving up and down.

In some embodiments, the upper top wall 52 is provided with an exhaust hole 53 communicating with the liquid locking space 502 , and the diameter of the exhaust hole 53 is 0.8-1.5 mm. Since the heating element 4 is in the shape of a sheet, the gas in the atomizing chamber 301 may enter the liquid absorbing surface 401 side from the atomizing surface 402 side through the micropores on the heating element 4 . The vent hole 53 is provided on the upper top wall 52 of the liquid locking member 5, so that the bubbles generated on the liquid absorbing surface 401 of the heating element 4 can grow upward, so as to prevent the bubbles from growing laterally and blocking the liquid absorbing surface 401 of the heating element 4. Optionally, the distance between the inner top surface of the upper top wall 52 and the liquid absorbing surface 401 is 0.5-1.5 mm, preferably 0.8-1.3 mm. When the distance between the inner top surface of the upper top wall 52 and the liquid absorbing surface 401 of the heating element 4 is less than 0.5 mm, the problem of air bubbles clogging the liquid absorbing surface 401 of the heating element 4 is likely to occur; When the distance from the liquid absorbing surface 401 of the heating element 4 is greater than 1.5 mm, there is a lot of liquid remaining in the liquid locking space 502, and the liquid-connecting film on the exhaust hole 53 of the atomizer 10 is likely to be too large due to the excessive gravity of the liquid when the atomizer 10 is inverted. And be destroyed, so that the lock can not be achieved. The distance between the inner top surface of the upper top wall 52 and the liquid absorbing surface 401 of the heating element 4 is set between 0.8-1.3 mm, which can not only lock the liquid but also prevent air bubbles from blocking the liquid absorbing surface 401 of the heating element 4 . In other embodiments, when the thickness of the heating body 4 is relatively large, the gas in the atomization chamber 301 is unlikely to pass through the heating body 4, and the liquid absorbing surface 401 of the heating body 4 does not have the problem of generating bubbles. In some cases, the exhaust hole 53 may not be provided on the upper top wall 52 .

In some embodiments, a choke groove 54 is provided on the inner top surface of the upper top wall 52; the choke groove 54 has a top opening 541 and an end opening 542, the top opening 541 faces the liquid absorbing surface 401 of the heating element 4, and the end The first opening 542 communicates with the liquid locking opening 501 . Specifically, the width of the choke groove 54 is 0.2-0.5 mm, and the depth of the choke groove 54 is 0.1-0.5 mm. When the atomizer 10 is upside down, the choke groove 54 can increase the flow resistance of the liquid, and cooperate with the liquid locking gap 503 to cut off the liquid connection, so as to achieve the purpose of better liquid locking.

In some embodiments, the outer sides of the two long side walls 51 of the liquid locking member 5 are provided with outwardly protruding buckles 55 , and the buckles 55 are provided with inclined guide surfaces, and the liquid locking member 5 passes through the buckles 55 . The inclined guide surface and the upper atomizing seat 2 realize snap fit.

In some embodiments, the two long side walls 51 of the liquid locking member 5 are also integrally formed with bosses 56 extending toward the heating body 4 . There is a gap between them, and the boss 56 can block the inner side of the first sealing member 6 to limit the position of the liquid locking member 5 on the first sealing member 6 .

The present application also provides an electronic atomization device, comprising a power supply and an atomizer 10 connected to each other, and the power supply is used to supply power to the atomizer 10, so that the atomizer 10 can atomize a liquid substrate to form an aerosol.

To sum up, the atomizer and electronic atomization device provided by the present application, by arranging the liquid locking member 5 with the liquid locking space 502 above the liquid absorbing surface 401 of the heating element 4, and disposing and The liquid locking opening 501 communicated by the liquid supply channel 201, when the atomizer 10 is inverted, the liquid is cut off in the liquid locking opening 501, thereby locking the liquid in the liquid locking space 502, and the liquid suction surface 401 of the heating element 4 can absorb The liquid in the liquid-locking space 502 avoids the problem of burning the heating element 4 to produce a burnt smell, or even burning off the heating element on the heating element 4 .

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. However, the obvious changes or changes derived from this are still within the protection scope of the present application.

Claims

A kind of atomizer, is characterized in that, comprises:

a housing (1) with a liquid storage cavity (101) for storing liquid inside;

an atomization seat (20), which is provided with a liquid supply channel (201) communicating with the liquid storage chamber (101) inside;

The heating element (4) is fixed on the atomization seat (20), and has a liquid suction surface (401) communicated with the liquid supply channel (201);

The liquid locking member (5) is located between the liquid supply channel (201) and the liquid suction surface (401) of the heating element (4), and has a liquid locking opening (401) that communicates with the liquid supply channel (201). 501) and the liquid locking space (502) communicated with the liquid suction surface (401); the liquid locking opening (501) communicates with the liquid locking space (502).
The atomizer according to claim 1, wherein the size of the liquid locking opening (501) is suitable for cutting off the liquid locking opening (501) when the housing (1) is tilted or inverted. liquid connection.
The atomizer according to claim 2, wherein the width of the liquid locking opening (501) ranges from 0.4 to 1.5 mm.
The atomizer according to claim 1, wherein the liquid locking member (5) comprises two long side walls (51) and two short side walls (57) enclosed in a frame shape, and the two An upper top wall (52) is connected between the long side walls (51), and there is a space (503) between the upper top wall (52) and the liquid absorbing surface (401) of the heating element (4). ); the opening enclosed between the upper top wall (52), the short side wall (57) and the two long side walls (51) is the liquid locking opening (501), so The distance between the upper top wall (52) and the short side wall (57) is the width of the liquid locking opening (501). The space formed between the liquid suction surfaces (401) is the liquid locking space (502).
The atomizer according to claim 4, characterized in that, the upper top wall (52) is provided with an exhaust hole (53) communicating with the liquid locking space (502).
The atomizer according to claim 5, wherein the diameter of the exhaust hole (53) is 0.8-1.5 mm.
The atomizer according to claim 4, wherein the distance between the inner top surface of the upper top wall (52) and the liquid suction surface (401) is 0.5-1.5mm.
The atomizer according to claim 4, wherein a choke groove (54) is provided on the inner top surface of the upper top wall (52), and the choke slot (54) has a top opening (541). ) and an end opening (542), the top opening (541) faces the liquid absorbing surface (401) of the heating element (4), and the end opening (542) communicates with the liquid locking opening (501) .
The atomizer according to claim 8, wherein the width of the choke groove (54) is 0.2-0.5mm, and the depth of the choke groove (54) is 0.1-0.5mm.
The atomizer according to claim 1, characterized in that, the liquid locking member (5) is fixedly connected to the atomization seat (20) through a buckle structure.
The atomizer according to claim 1, wherein the heating body (4) comprises a sheet-like base body and a heating element arranged on the surface of the base body; the thickness of the base body is 0.1-3.0 mm.
The atomizer according to claim 11, characterized in that, the heating element is arranged on the atomization surface (402) of the base body, and the liquid absorption surface (401) is that the base body faces away from the mist The other surface of the atomizing surface (402), the substrate is provided with a liquid suction channel (403) penetrating the liquid suction surface (401) and the atomizing surface (402).
The atomizer according to claim 12, wherein the liquid suction channel (403) is a straight channel, and the pore size of the straight channel is 1-100 μm.
The atomizer according to any one of claims 1-13, wherein the atomization seat (20) comprises an upper atomization seat (2) and a lower atomization seat (3), the lower atomization seat (3) The atomizer seat (3) is sealingly connected to the open end of the housing (1), and the upper atomizer seat (2) is connected to the lower atomizer seat (3) facing the liquid storage chamber (101). On one side, the liquid supply channel (201) is arranged in the upper atomization seat (2); the lower atomization seat (3) has an atomization cavity (301) inside, and the lower atomization seat ( 3) There is an air inlet for external air to enter the atomizing chamber (301); the heating element (4) is located between the upper atomizing seat (2) and the lower atomizing seat (3) During this time, the atomizing surface (402) of the heating element (4) communicates with the atomizing cavity (301).
The atomizer according to claim 14, characterized in that, a closed end of the casing (1) is connected with a liquid storage chamber (101) and is connected with the upper atomization seat (2). An air duct (102), the upper atomizing seat (2) is provided with an atomizing gas channel (202) connecting the air duct (102) and the atomizing cavity (301).
The atomizer according to claim 14, characterized in that, the heating element (4) is sealingly connected to the upper atomizing seat (2) through a first sealing member (6), and the liquid locking member ( 5) Sealing connection on the first sealing member (6).
The atomizer according to claim 15, characterized in that, the upper atomizing seat (2) is sealingly connected to the casing (1) through a second sealing member (7).
An electronic atomization device, characterized by comprising a power supply and the atomizer (10) according to any one of claims 1-17, wherein the power supply and the atomizer (10) are electrically connected.