WO2022141550A1

WO2022141550A1 - Electronic atomization device, and atomizer and atomization core thereof

Info

Publication number: WO2022141550A1
Application number: PCT/CN2020/142461
Authority: WO
Inventors: 陈武; 何雪琴; 李润达; 黎强; 肖从文; 肖令荣; 李小平
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-07-07
Also published as: EP4272587A1; JP2023553500A; US20230337745A1; EP4272587A4

Abstract

An electronic atomization device (40), and an atomizer (30) and an atomization core (20) thereof. The atomization core (20) comprises an e-liquid absorbing body (200) and a heating member (100) fixedly provided on the e-liquid absorbing body (200); the e-liquid absorbing body (200) has a bottom wall (210) and a side wall connected to one side of the bottom wall (210), and the bottom wall (210) has an atomization surface (201) facing away the side wall; the heating member (100) comprises heat generation members (110) and electrode portions (120) connected to the heat generation members (110); the heat generation members (110) comprise heat generation portions and first embedding portions (1101), wherein the heat generation portions and the electrode portions (120) are provided on the bottom wall (210) and are exposed to the atomization surface (201), and the first embedding portions (1101) are embedded in the bottom wall (210) and correspond to the side wall. By providing the first embedding portions (1101) of the heat generation members (110) to correspond to the side wall of the e-liquid absorbing body (200), the atomization e-liquid on the side close to the side wall of the e-liquid absorbing body (200) can be preheated.

Description

A kind of electronic atomization device, atomizer and atomizing core thereof

【Technical field】

The application belongs to the technical field of electronic atomization devices, and particularly relates to an electronic atomization device, an atomizer and an atomization core thereof.

【Background technique】

Existing electronic atomization devices can generally atomize atomizing liquids such as e-liquid. The electronic atomization device generally has an atomizing core, and the atomizing core includes a liquid suction and a heating element. The suction liquid can be communicated with the liquid storage space of the atomized liquid, so that the atomized liquid in the liquid storage space can self-absorb the liquid. One side seeps out. Generally, a heating element can be provided on the side of the liquid storage space where the liquid is absorbed away from the atomized liquid, so as to heat and atomize the permeated atomized liquid.

However, when the existing atomizing core heats and atomizes the high-viscosity atomizing liquid, due to the poor fluidity of the high-viscosity atomizing liquid, the atomizing liquid may not be replenished into the suction liquid in time, resulting in the occurrence of The atomizing core is dry-burning, which may cause burnt and peculiar smells.

[Content of the invention]

The present application provides an electronic atomization device, an atomizer, and an atomization core to solve the above-mentioned technical problems.

In order to solve the above-mentioned technical problems, a technical solution adopted in the present application is to provide an atomizing core, which includes a liquid-absorbing liquid and a heating element fixedly arranged on the liquid-absorbing liquid:

The liquid absorbing has a bottom wall and a side wall connected to one side of the bottom wall, and the bottom wall has an atomizing surface opposite to the side wall;

The heating element includes a heating element and an electrode part connected with the heating element;

The heating element includes a heating part and a first embedded part, wherein the heating part and the electrode part are arranged on the bottom wall and exposed to the atomizing surface, and the first embedded part is arranged on the bottom wall and corresponds to the the side wall.

Optionally, the side wall is an annular side wall, the bottom wall and the annular side wall together form a liquid storage tank, and the first embedding portion passes through the bottom wall and is embedded in the annular side wall .

Optionally, the cross section of the annular side wall includes two opposite long sides and two opposite short sides;

The first embedded portion is at least partially accommodated in the partial annular sidewalls corresponding to two opposite long sides of the annular sidewalls.

Optionally, the heating part is bent to form at least one first linear unit and at least two first embedded parts, and two ends of each of the first linear units are respectively connected to one of the first embedded parts.

Optionally, the heating part includes at least two of the first linear units and at least two of the first embedded parts, and the same side of the two adjacent first linear units passes through the first embedded parts The at least two first linear units are arranged in the atomization surface or in the first plane parallel to the atomization surface, and the angle between the at least two first embedded parts and the first plane is greater than equal to 10 degrees and less than or equal to 90 degrees.

Optionally, the first embedded parts at both ends of the first linear unit are located on a second plane and a third plane, respectively, and the first linear unit is located between the second plane and the third plane.

Optionally, the electrode part includes an electrode body and a second embedded part, the electrode body is disposed in the first plane and connected to the heating element, and the second embedded part is connected to the electrode body and the included angle with the first plane is greater than or equal to 10 degrees and less than or equal to 90 degrees.

Optionally, the exposed surfaces of the plurality of first linear units and the electrode body are flush with the outer surface of the bottom wall.

Optionally, the heating element is a metal strip or wire; the heating element is provided with a plurality of through holes and/or blind holes; the plurality of through holes and/or blind holes are along the length of the heating element Orientation interval setting.

Optionally, the inner surface of the bottom wall is further provided with a raised portion, and the raised portion is connected with the annular side wall.

Optionally, both ends of the raised portion are respectively connected to the annular side walls corresponding to the two opposite long sides.

In order to solve the above-mentioned technical problems, another technical solution adopted in this application is to provide an atomizer, the atomizer includes an atomization sleeve, a mounting seat and an atomization core, wherein the atomization core is such as The atomizing core described above.

In order to solve the above-mentioned technical problems, another technical solution adopted in the present application is to provide an electronic atomization device, the electronic atomization device comprising:

an atomizer, which is used to store the atomized liquid and atomize the atomized liquid to form smoke that can be inhaled by the user, wherein the atomizer is the atomizer as described above; and

a body assembly for powering the atomizer.

The beneficial effects of the present application are as follows: the present application provides an electronic atomization device, an atomizer and an atomizing core thereof. By burying the heating element in the absorbing liquid, the heating element and the absorbing liquid can be closely attached, so that the uniformity of heat conduction of the heating element can be improved; During the process that the side away from the bottom wall enters the suction liquid and penetrates out from the outer surface of the bottom wall, the heating element can also preheat the atomized liquid in the suction liquid, so that the temperature of the atomized liquid can be raised evenly , so that the atomization effect of the atomized liquid can be improved. Further, by embedding the first embedded portion of the heating element into the annular side wall, the atomized liquid on the liquid absorbing surface side can be preheated. When the viscosity of the atomized liquid is high, the atomized liquid can be preheated. heat to improve its fluidity, so that the atomized liquid can quickly enter the suction liquid from the suction liquid surface, and can improve the transmission rate of the atomized liquid in the suction liquid to the atomization surface, so that it can be replenished in time The atomizing liquid on the side of the atomizing surface avoids the problem of dry burning of the atomizing core.

【Description of drawings】

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

1 is a schematic structural diagram of an embodiment of a heating element provided by the present application;

2 is a schematic structural diagram of an embodiment of an atomizing core provided by the present application;

Fig. 3 is the exploded view of the atomizing core shown in Fig. 2;

Fig. 4 is the structural schematic diagram after the atomizing core shown in Fig. 2 is rotated by 180°;

FIG. 5 is a schematic structural diagram of the atomizing core shown in FIG. 2 from another perspective;

Fig. 6 is the sectional view of the atomizing core shown in Fig. 5 at A-A' section;

Fig. 7 is the sectional view of the B-B' section of the atomizing core shown in Fig. 5;

FIG. 8 is a schematic structural diagram of another embodiment of the atomizing core shown in FIG. 2

9 is a schematic structural diagram of an embodiment of an atomizer provided by the present application;

Figure 10 is a cross-sectional view of the atomizer shown in Figure 9;

Fig. 11 is a partial enlarged view of the atomizer shown in Fig. 9 in the II region;

FIG. 12 is a schematic structural diagram of an embodiment of an electronic atomization device provided by the present application.

【Detailed ways】

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all 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.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present application, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions related to "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection claimed in this application.

Please refer to FIG. 1 , which is a schematic structural diagram of an embodiment of the heating element provided by the present application.

The heating body 100 includes a heating element 110 and an electrode part 120 connected to the heating element 110 . The heating element 110 includes a heating part and a first embedding part 1101; the electrode part 120 includes an electrode body 121 and a second embedding part 1201; liquid (refer to the suction liquid 200 described later for details).

In this embodiment, the heating element 100 may include two electrode parts 120 , and the two electrode parts 120 are respectively connected to opposite ends of the heating element 110 .

The heating element 110 may be bent for many times to form a plurality of first linear units 111 and a plurality of first embedded parts 1101 , and two adjacent first linear units 111 may be connected by the first embedded parts 1101 . Wherein, the plurality of first linear units 111 may constitute the heating part of the heating element 100 .

In this embodiment, the plurality of first linear units 111 may all be disposed in the first plane, the first embedded portions 1101 are connected to opposite ends of the plurality of first linear units 111 , and the opposite ends of the first linear units 111 are connected to each other. The first embedded portion 110 may be disposed in the second plane and the third plane, respectively; and both the second plane and the third plane intersect with the first plane.

Further, each of the first embedded parts 1101 may further include at least one second linear unit 112 and a third linear unit 113 . The plurality of third linear units 113 are embedded in the absorbing liquid, that is, the sides of each third linear unit 113 are completely covered by the porous ceramic material absorbing the liquid, and the ends are connected to the adjacent second linear units 112 .

Alternatively, in other embodiments, the heating element 110 may also be bent for multiple times to form multiple first linear units 111 and multiple second linear units 112 . That is, the heat generating element 100 does not include the third linear unit 113 . The first embedded portion 1101 may include two second linear units 112, wherein each end of the two second linear units 112 may form an angle connection with each other, and the other ends of the two second linear units 112 are respectively Connected with the two first linear units 111 .

In this embodiment, the electrode portion 120 further includes an electrode body 121 . The electrode body 121 is connected to the heating element 110 and is used for connecting with a connecting wire. The second embedded portion 1201 can be connected to the electrode body 121 . In one embodiment, the second embedded portion 1201 is integrally formed with the electrode body 121 . The second embedded portion 1201 can stably fix the electrode body 121 on the suction liquid, so as to avoid the problem of breakage or poor contact between the electrode body 121 and the connecting wire caused by the loosening of the electrode body 121 .

Wherein, the plurality of first linear units 111 and the electrode bodies 121 in the two electrode parts 120 may all be disposed on the first plane, for example, the plurality of first linear units 111 and the electrode bodies 121 in the two electrode parts 120 are both In the form of sheets, all are arranged on the first plane and are all parallel to the first plane. The plurality of third linear units 113 are disposed in a fourth plane parallel to and spaced from the first plane. That is, the center lines of the plurality of first linear units 111 in the heating element 110 may all be arranged in the first plane; the center lines of the plurality of third linear units 113 in the heating element 110 may all be arranged in the fourth plane Inside, the first plane and the fourth plane are parallel and spaced apart. The plurality of second linear units 112 in the heating element 110 may connect the plurality of first linear units 111 and the plurality of third linear units 113 . Specifically, opposite ends of each second linear unit 112 may be connected to the first linear unit 111 and the third linear unit 113 respectively. The plurality of second linear units 112 located at one end of the first linear unit 111 may be arranged to be located in the second plane, and the plurality of second linear units 112 located at the other end of the first linear unit 111 may be arranged to be located in the third plane.

In this embodiment, the height of the first embedded portion 1101 may be equal to or approximately equal to the length of the second linear unit 112 , wherein the height of the first embedded portion 1101 may be 0.5-4 mm, for example, may be set to 0.5 mm, 1 mm , 2mm, 3mm and 4mm.

Further, in this embodiment, when the heating element 110 is bent multiple times to form a plurality of first linear units 111 , a plurality of second linear units 112 and a plurality of third linear units 113 , the two connected linear units ( A bending portion may be formed between the first linear unit 111 , the second linear unit 112 or the third linear unit 113 ), and the bending angle of the bending portion is 10°˜170°. For example, taking the connected first linear unit 111 and the second linear unit 112 as an example, the first linear unit 111 and the second linear unit 112 are both linear, and the connection between the first linear unit 111 and the second linear unit 112 is Then it can be a bending part, and the bending angle of the bending part can be 10°～170°, wherein the preferred bending angle of the bending part can be 80°～100°, for example, the first linear unit 111 The bending angle of the bending portion between the second linear unit 112 and the second linear unit 112 is set to 80°, 90° or 100°. In a preferred embodiment, the bending angle of the bending portion may be an obtuse angle.

Wherein, the included angle between the first embedded portion 1101 and the first plane may be the same as or complementary to the included angle between the first embedded portion 1101 and the first linear unit 111 . Wherein, the included angle between the first embedded portion 1101 and the first linear unit 111 may be set to 90°˜170°, for example, may be set to 90°, 100°, 110°, 130° or 170°. That is, it is described that the angle between the first insertion portion 1101 and the first plane is 10°˜90°.

Further, the included angle between the second embedded portion 1201 and the electrode body 121 may be the same as the bending angle of the bending portion between the second embedded portion 1201 and the electrode body 121 , wherein the angle between the second embedded portion 1201 and the electrode body 121 is the same. The included angle may also be an obtuse angle and may be set to 90°˜170°, that is, the included angle between the second embedded portion 1201 and the first plane may also be 10°˜90°.

In this embodiment, the included angle between the first embedded portion 1101 and the first plane and the included angle between the second embedded portion 1201 and the first plane can be set to be the same, and the first embedded portion 1101 and the first embedded portion 1101 on the same side of the heating element 110 and The second embedded parts 1201 may be arranged in the same plane or respectively arranged in two parallel and spaced planes.

In other embodiments, the included angle between the first embedded portion 1101 and the first plane and the included angle between the second embedded portion 1201 and the first plane can also be set to be different, that is, the first embedded portion 1101 and the second embedded portion The planes on which the two are located between 1201 intersect, and the stability of the heating element 110 embedded in the absorbent liquid can be further improved at this time.

Wherein, optionally, the second embedded portion 1201 may be rectangular, square, triangular or I-shaped as a whole.

Further, in this embodiment, each electrode body 121 can be provided with a plurality of second embedded parts 1201 , wherein the plurality of second embedded parts 1201 can be respectively disposed on different side ends of the electrode body 121 and are connected with the electrode body 121 . The edges of 121 are connected.

In this embodiment, each electrode body 121 is provided with two second embedded portions 1201 , and the two second embedded portions 1201 are respectively disposed on opposite sides of the electrode body 121 . In other embodiments, the second embedded portion 1201 may also be connected to an edge of the electrode body 121 on one side away from the heating element 110 . Optionally, at least two second embedded parts 1201 can be installed on each side of the electrode body 121 (the side not connected to the heating element 110). Wherein, each second embedded portion 1201 may be provided with a through hole 1202 .

In this embodiment, the heating element 110 and the electrode part 120 can also be integrally formed. For example, the heating element 100 can be made of a metal sheet, and the above-mentioned heating element can be formed by punching the metal sheet and then bending it. 100.

Alternatively, the heating element 110 and the electrode part 120 may be independent structures, and the two may be fixedly connected by welding or the like, thereby forming the heating element 100 .

The heating element 110 may be a metal strip or wire, and the cross-section of the heating element 110 may be in any of the shapes of a circle, a square, a rectangle, an ellipse, etc. In other embodiments, the transverse cross-section of the heating element 110 The cross-section may also be a regular polygon such as a regular hexagon and a regular octagon.

Further, in this embodiment, the heating element 110 may be a metal strip or wire, or may also be a patterned metal sheet. The heating element 110 can be made of any one of metal alloys such as iron-chromium alloy, iron-chromium-aluminum alloy, iron-chromium-nickel alloy, chromium-nickel alloy, titanium alloy, stainless steel alloy and Karma alloy, or can also be made of at least one of them. The two are mixed together.

Wherein, when the heating element 110 is a metal strip or wire, the diameter of the cross-section of the heating element 110 may be in the range of 0.02 mm to 1.00 mm, for example, may be 0.02 mm, 0.5 mm or 1 mm. When the heating element 110 is a metal sheet, the heating element 110 may be a metal sheet with a thickness ranging from 0.01 mm to 2 mm.

When the heating element 110 is formed by bending a plurality of first linear units 111 , a plurality of second linear units 112 and a plurality of third linear units 113 , the length of each bent portion can be set in the range of 0.1mm˜5mm , for example, the length of each bent portion can be set to 0.1mm, 2.5mm or 5mm, and so on.

As described in the above embodiments, the heating element 110 with a three-dimensional structure is formed by bending multiple times. In other embodiments, the heating element 110 with a three-dimensional structure can also be punched, cast, mechanically woven, and chemically etched. One or more ways to get it.

Alternatively, in other embodiments, the plurality of heating elements 110 may be mechanically woven into a mesh structure, and then the heating element 110 having a three-dimensional structure is formed by bending the formed mesh heating element.

Alternatively, a plurality of sub-heating elements with smaller diameters may also be used, and the heating element 110 with larger diameter may be formed by winding, bonding or welding. Then, the heating element 110 with a larger diameter is bent to form a three-dimensional structure having a plurality of first linear units 111 , a plurality of second linear units 112 and a plurality of third linear units 113 .

Referring further to FIG. 1 , in this embodiment, a plurality of micro-holes 101 may be formed on the heating element 110 , wherein the micro-holes 101 may be through holes or blind holes formed on the heating element 110 . By opening the micro-holes 101 , the stability of the combination of the heating element 110 and the liquid absorbing liquid can be improved, and the uniformity of heat conduction can be improved. Further, by opening the micropores 101 , part of the liquid to be absorbed can be exposed, so that the liquid to be heated permeates from the surface exposed by the liquid to be absorbed through the micropores 101 , so as to better uniformly heat the liquid to be heated.

Wherein, the number of the micro-holes 101 may be multiple, and the multiple micro-holes 101 may be sequentially arranged at equal intervals along the length direction of the heating element 110 . In this embodiment, the plurality of microholes 101 may be disposed on the first linear unit 111 , the second linear unit 112 or the third linear unit 113 ; in other embodiments, the first linear unit 111 and the second linear unit 112 And the third linear unit 113 can be provided with a plurality of micro-holes 101 .

Wherein, when the micro holes 101 opened on the heating element 110 are through holes, the through holes can be circular holes, and the diameter of the through holes can be set to 0.01-1.00 mm, for example, the diameter of the through holes can be set to 0.01 mm, 0.5mm or 1mm.

When the micro holes 101 on the heating element 110 are blind holes, the blind holes can be circular holes or rectangular holes; when the blind holes are circular holes, the diameter of the blind holes can be set to 0.01-1.00 mm, when the blind hole is a rectangular hole, the width of the blind hole can be set to 0.01-1.00mm, and the length can be set to 0.10-2.00mm.

Wherein, the distance between two adjacent micro-holes 101 may be set to 0.03 mm˜1.00 mm.

Therefore, in this embodiment, by disposing a plurality of through holes on the heating unit of the heating element 110, the stability of the combination between the heating element 110 and the liquid absorption can be further improved, so that the heat emitted by the heating element 110 can be uniformly distributed. Diffusion into the absorbing liquid, thereby preventing heat accumulation in the local area of the heating element 110 due to poor contact with the absorbing liquid, resulting in the problem that the local temperature of the heating element 110 is too high, and at the same time ensuring that the absorbing liquid can heat up quickly and evenly , so the atomization effect of the atomized liquid can be improved.

Please refer to FIG. 2-FIG. 4, FIG. 2 is a schematic structural diagram of an embodiment of the atomizing core provided by the application; FIG. 3 is an exploded view of the atomizing core shown in FIG. 2; FIG. 4 is a rotating atomizing core shown in FIG. 2 Schematic diagram of the structure after 180°.

The atomizing core 20 includes a liquid absorbing liquid 200 and a heating element 100 . The atomizing core 20 can be used to heat the atomizing liquid so as to atomize the atomizing liquid.

The liquid absorbing liquid 200 can be opened or have a plurality of tiny holes to form a porous body, and the atomized liquid can enter the liquid absorbing liquid 200 through the tiny holes, or the atomizing liquid can also pass through the tiny holes from one side of the liquid absorbing liquid 200. Penetrate to the other side. Among them, the plurality of tiny holes in the suction liquid 200 can also store the atomized liquid. The heating element 100 is partially embedded in the liquid absorbing liquid 200 . The liquid absorbing surface 200 includes an atomizing surface 201 and a liquid absorbing surface 202 . The suction surface 202 can be in contact with the atomized liquid so that the atomized liquid enters the suction liquid 200 from this surface. The atomized liquid in the suction liquid 200 can be further transported from the liquid suction surface 202 side to the atomization surface 201 side, so that it can be heated and atomized on the atomization surface 201 side.

Wherein, the material of absorbing liquid 200 may be porous ceramics. Specifically, the material of the liquid absorbing 200 is any one or more of aluminum oxide, silicon oxide, silicon nitride, silicate and silicon carbide.

Specifically, a powdery material (or slurry) of a mixture of any one or more materials of alumina, silicon oxide, silicon nitride, silicate and silicon carbide may be used to form the billet for the liquid absorbing 200 first. Then, the heating element 100 is at least partially embedded in the pre-blank, and heated and sintered to form a liquid absorbing liquid 200 partially embedded with the heating element 100, and the heating element 100 and the liquid absorbing liquid 200 can be tightly combined.

The shape and size of the absorbent liquid 200 are not limited, and can be selected according to requirements.

In this embodiment, specifically, the liquid absorbent 200 includes a bottom wall 210 and a side wall connected to one side of the bottom wall 210 , the heating element 100 can be embedded in the liquid absorbent 200 , and the first embedded portion 1101 of the heating element 100 It can be set corresponding to the side wall, so that the atomized liquid on the side close to the side wall can be preheated by the first embedded part 1101 .

The side wall may be an annular side wall 220 , and the annular side wall 220 may be connected to one side of the bottom wall 210 and surround the bottom wall 210 to form a liquid storage tank 211 . The first embedded portion 1101 can pass through the bottom wall 210 and be partially inserted into the annular side wall 220 .

Wherein, the atomizing surface 201 can be disposed on the outer surface of the bottom wall 210, and the first embedded portion 1101 and the second embedded portion 1201 of the heating element 100 can be inserted into the liquid absorbing liquid 200 from the atomizing surface side . Specifically, the plurality of first linear units 111 and the electrode body 121 of the heating element 100 are embedded in the bottom wall 210 . The first embedded portion 1101 can be partially inserted into the annular side wall 220 through the bottom wall 210 , and the second embedded portion 1201 is accommodated in the bottom wall 210 .

In this embodiment, by partially embedding the first embedded portion 1101 of the heating element 100 into the annular side wall 220, the atomized liquid on the liquid absorbing surface 202 side can be preheated. When the viscosity of the atomized liquid is high, it can be The atomized liquid is preheated to improve its fluidity, so that the atomized liquid can enter the suction liquid 200 from the suction liquid surface 202 relatively quickly, and can improve the flow of the atomized liquid in the suction liquid 200 to the mist. The transmission rate of the atomizing surface 201 can be adjusted, so that the atomizing liquid on the side of the atomizing surface 201 can be replenished in time, and the problem of dry burning of the atomizing core 100 can be avoided.

The outer surface of the bottom wall 210 facing away from the annular side wall 220 is the atomizing surface 201 of the liquid absorbing liquid 200 , and the atomizing liquid can be heated and atomized at the position of the atomizing surface 201 . The side of the annular side wall 220 of the liquid suction 200 away from the bottom wall 210 can be in contact with the atomized liquid phase to form the liquid suction surface 202, so that the atomized liquid can enter the suction liquid 200 from the liquid suction surface, and can pass from the bottom wall 210 to the liquid suction surface 202. The atomizing surface 201 penetrates out. When the atomizing liquid seeps out from the atomizing surface 201 , the part of the heating element 100 located outside the absorbing liquid 200 can heat and atomize the permeated atomizing liquid.

The opening of the liquid storage tank 211 is arranged on the side of the annular side wall 220 away from the bottom wall 210, and the opening of the liquid storage tank 211 can allow the atomized liquid to enter the liquid storage tank 211. Therefore, the inner wall of the liquid storage tank 211 is also The suction surface of the suction liquid 200 can be formed. By opening the liquid storage tank 211 , the area of the liquid suction surface 202 can be increased, so that the contact area between the atomized liquid and the suction liquid 200 can be increased, and the penetration of the atomized liquid into the suction liquid 200 can be facilitated.

See Figures 5-7. FIG. 5 is a schematic structural diagram of the atomizing core shown in FIG. 2 from another perspective. Fig. 6 is a cross-sectional view of the atomizing core shown in Fig. 5 at the section A-A'; Fig. 7 is a cross-sectional view of the atomizing core shown in Fig. 5 at the cross-section B-B'.

The outer contour of the annular side wall 220 may be substantially rectangular, and the first embedding portions 1101 on opposite sides of the heating element 100 may be inserted into the corresponding partial side walls of the two opposite long sides of the annular side wall 220 respectively. Wherein, the first embedded portion 1101 may be embedded in the partial side walls corresponding to the two opposite long sides of the annular side wall 220 .

In this embodiment, by burying the heating element 100 in the liquid absorbing liquid 200, the heating element 100 can be closely attached to the liquid absorbing liquid 200, so that the uniformity of heat conduction of the heating element 100 can be improved; In the suction liquid 200, the heating element 100 can also preheat the atomized liquid in the suction liquid 200 during the process that the atomized liquid penetrates from the suction liquid to the atomizing surface, so that the temperature of the atomized liquid can be increased uniformly. , so that the atomization effect of the atomized liquid can be improved. Wherein, by inserting the first embedded portion 1101 of the heating element 110 into the annular side wall 220, the liquid to be atomized in the liquid storage tank 211 can also be preheated, so that the atomization of the atomized liquid can be further improved. effect.

In this embodiment, further, by setting the heating element 100 in a three-dimensional structure, the atomization effect on the atomized liquid can be further improved.

Further, as shown in FIG. 6 , the heating element 100 is embedded in the liquid absorbing liquid 200 . Specifically, the exposed surfaces of the plurality of first linear units 111 and the electrode body 121 may be flush with the outer surface of the bottom wall 210 .

Alternatively, referring to FIG. 8 , in other embodiments, the heating element 100 may also be partially disposed beyond the outer surface of the bottom wall 210 .

In this embodiment, a raised portion 212 is further provided on the inner surface of the bottom wall 210 , and the raised portion 212 can be connected with the annular side wall 220 . The protruding portion 212 may be disposed parallel to the short side of the annular side wall 220 , and opposite sides of the protruding portion 212 may be respectively connected with part of the side walls corresponding to the two opposite long sides of the annular side wall 220 . By arranging the protruding portion 212 , the protruding portion 212 can be immersed in the liquid to be atomized in the liquid storage tank 211 . The raised portion 212 can conduct the heat of the annular side wall 220 and/or the bottom wall 210 to the liquid to be atomized in the liquid storage tank 211 faster and more uniformly, and pre-process the liquid to be atomized in the liquid storage tank 211. heat, so that the atomization effect of the atomized liquid can be further improved.

Wherein, optionally, the number of the protruding parts 212 may be at least two, and two adjacent protruding parts 212 may be spaced to form a v-shaped groove or an arc-shaped groove.

Please refer to Figure 1 and Figure 2 for further details.

In this embodiment, the two electrode bodies 121 of the heating element 100 can constitute the positive and negative electrodes of the heating element 110 respectively. By electrically connecting the two electrode bodies 121 to the positive and negative electrodes of an external power supply, the heating element 210 can be powered , so that the heating element 210 generates heat.

Wherein, a through groove 1202 can also be provided on the second embedded portion 1201. When the second embedded portion 1201 is embedded in the blank of the liquid absorbing liquid 200, the powdery material or slurry forming the liquid absorbing liquid 200 can enter the through groove. In step 1202 , after the sintering and fixing of the blank of the liquid absorbing liquid 200 is completed, the combination stability of the heating element 100 and the liquid absorbing liquid 200 can be further improved.

Further, please refer to FIG. 6 , in this embodiment, the thickness dimension L1 of the bottom wall 210 is 0.5-4 mm; the height L2 of the annular side wall 220 is 0.5-4 mm, and the wall thickness of the annular side wall 220 is greater than 0.8 mm ;

Further, the present application also provides an atomizer. See Figures 9-11. 9 is a schematic structural diagram of an embodiment of an atomizer provided by the present application; FIG. 10 is a cross-sectional view of the atomizer shown in FIG. 9 ; FIG. 11 is a partial enlarged view of the atomizer shown in FIG. 9 in area A.

The atomizer 30 includes an atomizing sleeve 310 , a mounting seat 320 and an atomizing core 20 .

The atomizing sleeve 310 has a liquid storage chamber 312, and a ventilation tube 314 is arranged inside the atomizing sleeve 310. The liquid storage chamber 312 is used to store the atomized liquid, and the ventilation tube 314 is used to guide the smoke to the user's mouth.

The mounting seat 320 has a first pressure regulating channel 322, a liquid inlet chamber 321 and a smoke outlet 323. The first pressure regulating channel 322 is arranged around the circumference of the liquid inlet chamber 321. The mounting seat 320 is embedded in the atomizing sleeve 310, and the first A pressure regulating channel 322 and the liquid inlet cavity 321 are both communicated with the liquid storage cavity 312. The liquid inlet cavity 321 guides the atomizing liquid to the atomizing core 20, so that the atomizing core 20 can atomize the atomizing liquid to form smoke, and the ventilation pipe 314 It is connected with the smoke outlet 323 to direct the smoke to the user's mouth through the smoke outlet 323 .

The atomizing core 20 is connected to the end of the mounting seat 320 away from the liquid storage chamber 312 and blocks the liquid inlet chamber 321, so that a liquid storage space is formed by the atomizing sleeve 310, the mounting seat 320 and the atomizing core 20, and the liquid storage space stores After atomizing the liquid, the first pressure regulating channel 322 is liquid-sealed by the atomizing liquid.

When the air pressure in the liquid storage chamber 312 is out of balance with the external air pressure due to changes in the external air pressure or suction, for example, when the air pressure in the liquid storage chamber 312 is too large, the atomized liquid may be separated from the mounting seat 320 and the atomizing sleeve 310. Liquid leakage between the inner walls may cause the atomizing liquid to leak from the atomizing core 20 , or cause the atomizing liquid to leak from the connection between the atomizing core 20 and the mounting seat 320 . Or, when the air pressure in the liquid storage chamber 312 is too low, due to the influence of the pressure difference between the inside and outside of the liquid storage chamber 312, the atomized liquid may not flow smoothly, and the atomizing core 20 is likely to cause burnt smell during operation due to insufficient liquid supply. , to bring a bad suction experience to the user.

Further, the present application also provides an electronic atomization device. Please refer to FIG. 12 . FIG. 12 is a schematic structural diagram of an embodiment of an electronic atomization device provided by the present application.

The electronic atomizer device 40 includes an atomizer 30 and a body assembly 410. The atomizer 30 can be used to store the atomized liquid and atomize the atomized liquid to form smoke that can be inhaled by the user. The atomizer 30 can be installed on the body assembly. 410, the body assembly 410 is provided with a power supply assembly. When the atomizer 30 is installed on the body assembly 410, the positive and negative poles of the power supply assembly in the body assembly 410 can be electrically connected to the two electrode bodies 121 respectively, so as to form a power supply. circuit to supply power to the heating element 110 .

To sum up, those skilled in the art can easily understand that the beneficial effect of the present application is: by embedding the heating element in the liquid absorbing liquid, the heating element can be closely attached to the liquid absorbing liquid, so that the uniformity of heat conduction of the heating element can be improved. At the same time, by embedding the heating element in the suction liquid, in the process that the atomized liquid enters the suction liquid from the side of the main body away from the bottom wall and penetrates out from the outer surface of the bottom wall, the heating element can also absorb the liquid. The inner atomizing liquid is preheated, so that the temperature of the atomizing liquid can be raised uniformly, so that the atomization effect of the atomizing liquid can be improved. Further, by embedding the first embedded portion of the heating element into the annular side wall, the atomized liquid on the liquid absorbing surface side can be preheated. When the viscosity of the atomized liquid is high, the atomized liquid can be preheated. heat to improve its fluidity, so that the atomized liquid can quickly enter the suction liquid from the suction liquid surface, and can improve the transmission rate of the atomized liquid in the suction liquid to the atomization surface, so that it can be replenished in time The atomizing liquid on the side of the atomizing surface avoids the problem of dry burning of the atomizing core.

The above descriptions are only the embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied to other related technologies Fields are similarly included within the scope of patent protection of this application.

Claims

An atomizing core, characterized in that it comprises a liquid-absorbing and a heating element fixedly arranged on the liquid-absorbing:

The liquid absorbing has a bottom wall and a side wall connected to one side of the bottom wall, and the bottom wall has an atomizing surface opposite to the side wall;

The heating element includes a heating element and an electrode part connected with the heating element;

The heating element includes a heating part and a first embedded part, wherein the heating part and the electrode part are arranged on the bottom wall and exposed to the atomizing surface, and the first embedded part is embedded in the bottom wall and corresponds to the bottom wall. on the side wall.
The atomizing core according to claim 1, wherein the side wall is an annular side wall, the bottom wall and the annular side wall together form a liquid storage tank, and the first embedded portion passes through the The bottom wall is embedded in the annular side wall.
The atomizing core according to claim 2, characterized in that:

The cross section of the annular side wall includes two opposite long sides and two opposite short sides;

The first embedded portion is at least partially accommodated in the partial annular sidewalls corresponding to two opposite long sides of the annular sidewalls.
The atomizing core according to claim 2, characterized in that:

The heating part is bent to form at least one first linear unit and at least two first embedded parts, and two ends of each of the first linear units are respectively connected to one of the first embedded parts.
The atomizing core according to claim 4, wherein the heating part comprises at least two of the first linear units and at least two of the first embedded parts, and two adjacent first linear units The same side of the unit is connected by the first embedded part; the at least two first linear units are arranged in the atomizing surface or the first plane parallel to the atomizing surface, at least two of the first embedded parts The included angle between the part and the first plane is greater than or equal to 10 degrees and less than or equal to 90 degrees.
The atomizing core according to claim 5, wherein the first embedded parts at both ends of the first linear unit are located on a second plane and a third plane respectively, and the first linear unit is located on the second plane and the third plane.
The atomizing core according to claim 5, characterized in that:

The electrode part includes an electrode body and a second embedded part, the electrode body is arranged in the first plane and connected with the heating element, and the second embedded part is connected to the edge of the electrode body and is connected with the heating element. The included angle of the first plane is greater than or equal to 10 degrees and less than or equal to 90 degrees.
The atomizing core according to claim 7, characterized in that:

The exposed surfaces of the plurality of first linear units and the electrode body are flush with the outer surface of the bottom wall.
The atomizing core according to claim 1, characterized in that:

The heating element is a metal strip or wire; the heating element is provided with a plurality of through holes and/or blind holes; the plurality of through holes and/or blind holes are arranged at intervals along the length direction of the heating element.
The atomizing core according to claim 3, characterized in that:

The inner surface of the bottom wall is further provided with a raised portion, and the raised portion is connected with the annular side wall.
The atomizing core according to claim 10, characterized in that:

Both ends of the protruding portion are respectively connected with the annular side walls corresponding to the two opposite long sides.
An atomizer, characterized in that the atomizer comprises an atomization sleeve, a mounting seat and an atomization core, wherein the atomization core is the atomization core according to any one of claims 1-11 core.
An electronic atomization device, characterized in that the electronic atomization device comprises:

an atomizer, which is used for storing atomized liquid and atomizing the atomized liquid to form smoke that can be inhaled by a user, wherein the atomizer is the atomizer according to claim 12; as well as

a body assembly, which is used for powering the atomizer.