WO2023039751A1 - Atomizing core, atomizer, and electronic atomization device - Google Patents

Abstract

The present application provides an atomizing core, an atomizer, and an electronic atomization device. The atomizing core comprises a first liquid guiding member and a heating member. The first liquid guiding member comprises a liquid guiding layer; the first liquid guiding member has a first side and a second side opposite to each other; the first liquid guiding member is configured to guide an aerosol-generating matrix from the first side to the second side; and at least one liquid guiding layer of the first liquid guiding member is provided with a first liquid guiding hole. The heating member is provided on the second side of the first liquid guiding member and configured to heat and atomize the aerosol-generating matrix during power-on. The atomizing core can not only avoid the impact of the tightness of the first liquid guiding member on the liquid guiding rate of the atomizing core, but also can ensure that the atomizing core not only has sufficient oil supply during the atomization process, but also does not cause the problems of suction and liquid leakage.

Description

Atomization core, atomizer and electronic atomization device 【Technical field】

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

【Background technique】

The atomizing core is a device used to heat and atomize the aerosol-generating substrate when energized to form an aerosol that can be eaten by the user.

At present, the atomizing core generally includes a liquid-conducting cotton and a heating element; wherein, the liquid-conducting surface is used to guide the aerosol-generating substrate; the heating element is used to heat and atomize the aerosol-generating substrate when energized to form an aerosol.

However, due to slight changes in the tightness of the liquid-conducting cotton, the liquid-conducting rate of the liquid-conducting cotton will be significantly affected; and if the liquid-conducting rate of the liquid-conducting cotton is low, the atomization process of the atomizing core is prone to insufficient oil supply. The life of the heating element is shortened; and if the fluid guiding rate of the fluid guiding cotton is too high, the atomization process of the atomizing core is prone to the problem of suction leakage, which seriously affects the user's suction experience. Therefore, in the core adjustment process of the cotton core heating element, it is difficult to find a balance point for the tightness of the fluid-conducting cotton.

【Content of invention】

The present application provides an atomizing core, an atomizer and an electronic atomizing device. The atomizing core can solve the problem that it is difficult to find a balance point due to the tightness of the existing liquid-conducting cotton, and can avoid insufficient oil supply or suction leakage. The problem.

In a first aspect, the present application provides an atomizing core. The atomizing core includes a first liquid-guiding element and a heating element; wherein, the first liquid-guiding element includes a liquid-guiding layer; the first liquid-guiding element has a first side and a second side oppositely arranged; the first liquid-guiding element is used for The aerosol-generating substrate is guided from the first side to the second side; and at least one liquid-guiding layer of the first liquid-guiding member is provided with a first liquid-guiding hole; the heating element is arranged on the second side of the first liquid-guiding member side, for heating and atomizing the aerosol-generating substrate when energized.

Wherein, the first liquid-conducting member includes: a non-porous liquid-conducting layer and a porous liquid-conducting layer; the porous liquid-conducting layer and the non-porous liquid-conducting layer are stacked; the porous liquid-conducting layer is provided with a plurality of first liquid-conducting holes.

Wherein, the number of the non-porous liquid-conducting layer and the porous liquid-conducting layer are multiple layers, and the non-porous liquid-conducting layer and the porous liquid-conducting layer are arranged alternately.

Wherein, all non-porous liquid-conducting layers are arranged on the same side of all porous liquid-conducting layers.

Wherein, the heating element is arranged on the surface of the second side of the first liquid guiding element, and the liquid conducting layer where the first liquid guiding element is in contact with the heating element is a non-porous liquid conducting layer.

Wherein, for other liquid-conducting layers in the first liquid-conducting element except the liquid-conducting layer in contact with the heating element, at least the outermost liquid-conducting layer along the direction from the second side to the first side is a porous liquid-conducting layer.

Wherein, the shapes of the first liquid guide holes on different porous liquid guide layers are the same and are set in one-to-one correspondence; or, the shapes of the first liquid guide holes on the same layer of porous liquid guide layers are the same, and different porous liquid guide holes The shapes of the first liquid-guiding holes on the liquid-guiding layer are different; or, the shapes of the first liquid-guiding holes on the same layer of porous liquid-guiding layer are different, and the first liquid-guiding holes of different shapes are along the The circumferential direction is arranged alternately and at intervals; or, the first liquid-guiding holes on the same porous liquid-conducting layer have the same shape, and the first liquid-guiding holes on different porous liquid-conducting layers have the same shape but different arrangements.

Wherein, the shape of the first liquid-conducting hole is long, and the projections of the first liquid-conducting holes on the two adjacent porous liquid-conducting layers in the thickness direction of the porous liquid-conducting layer intersect or connect end to end.

Wherein, the shape of the first liquid-conducting hole is long, and the projections of the first liquid-conducting holes on two adjacent porous liquid-conducting layers in the thickness direction of the porous liquid-conducting layer do not overlap with each other.

Among them, it also includes: a liquid inlet pipe, a heating seat and a second liquid guiding part; wherein, the liquid inlet pipe is provided with a liquid inlet hole; the heating seat is at least partly sleeved in the liquid inlet pipe; and the first liquid guiding part is arranged on the heating seat The inner surface of the inner surface; the second liquid guide is arranged between the heating seat and the liquid inlet pipe, and the second liquid guide is also provided with a second liquid guide hole; the aerosol-generating substrate passes through the liquid inlet, the second liquid guide The holes lead to the first side of the first liquid guiding member.

Wherein, the first liquid guiding part and/or the second liquid guiding part are also provided with a gap; wherein, the width of the first liquid guiding hole ranges from 1.0 mm to 5.0 mm, and the width of the gap ranges from 0.1 mm to 2 mm.

Wherein, the included angle between the longitudinal direction of the slit and the deployed longitudinal direction of the first liquid guiding element and/or the second liquid guiding element is 0° or 45°.

Wherein, the first liquid guiding part and/or the second liquid guiding part are liquid guiding cotton.

In a second aspect, the present application provides an atomizer. The atomizer includes a housing and an atomizing core; wherein, the housing has an accommodating cavity; the atomizing core is arranged in the accommodating cavity and cooperates with the housing to form a liquid storage cavity; the atomizing core is used for heating when energized And atomize the aerosol generating substrate from the liquid storage chamber; wherein, the atomizing core is the atomizing core mentioned above.

In a third aspect, the present application provides an electronic atomization device. The electronic atomization device includes an atomizer and a power supply assembly; wherein, the atomizer is the atomizer mentioned above; the power supply assembly is connected with the atomizer to supply power to the atomizer.

In the atomizing core provided by this application, the first liquid guide is provided, and the first liquid guide hole is opened on the first liquid guide, so as to transfer the aerosol-generating substrate from the first liquid guide through the first liquid guide hole. The first side is diverted to the second side; this can not only avoid the influence of the tightness of the first liquid guide on the liquid conduction rate of the atomizing core, but also ensure that the number and width of the first liquid guide hole are controlled. The atomizing core not only has sufficient oil supply during the atomization process, but also does not have the problem of suction leakage. In addition, by setting the heating element, the heating element is arranged on the second side of the first liquid guiding element, so that when the heating element is energized, the aerosol generating substrate is heated and atomized by the heating element to form an aerosol.

【Description of drawings】

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

Fig. 2 is a schematic structural diagram of an atomizer provided by an embodiment of the present application;

Fig. 3 is a schematic structural diagram of an atomizing core provided by an embodiment of the present application;

Fig. 4a is a cross-sectional view of the atomization core shown in Fig. 3 along the A-A direction;

Figure 4b is a schematic disassembly of Figure 4a;

Fig. 5 is a cross-sectional view along B-B direction of the atomization core shown in Fig. 3;

Fig. 6 is a schematic structural diagram of the atomizing core provided by an embodiment of the present application except for the liquid inlet pipe and the heating seat;

Fig. 7 is a schematic structural view of the first liquid guiding member with a five-layer structure provided in the first embodiment of the present application after deployment;

Fig. 8 is a schematic disassembly diagram of Fig. 7;

Fig. 9 is a schematic disassembly diagram of the first liquid guiding member with a six-layer structure provided in the second embodiment of the present application;

Fig. 10a is a schematic structural diagram of the porous liquid-conducting layer provided in the first embodiment of the present application;

Fig. 10b is a schematic structural diagram of the porous liquid-conducting layer provided by the second embodiment of the present application;

Fig. 10c is a schematic structural diagram of the porous liquid-conducting layer provided in the third embodiment of the present application;

Fig. 10d is a schematic structural diagram of the porous liquid-conducting layer provided by the fourth embodiment of the present application;

Fig. 10e is a schematic structural diagram of the porous liquid-conducting layer provided by the fifth embodiment of the present application;

Fig. 11 is a schematic structural view of the first liquid guiding member of the six-layer structure provided by the third embodiment of the present application;

Fig. 12 is a schematic disassembly diagram of Fig. 11;

Fig. 13 is a schematic disassembly diagram of the first liquid guiding member of the six-layer structure provided by the fourth embodiment of the present application;

Fig. 14 is a schematic structural diagram of the first liquid guiding member provided by the fifth embodiment of the present application;

Figure 15 is a schematic disassembly of Figure 14;

Fig. 16 is a schematic disassembly diagram of the first liquid guiding member with a six-layer structure provided by the sixth embodiment of the present application;

Fig. 17 is a schematic structural view of opening a slit on the first liquid guiding member or the second liquid guiding member according to an embodiment of the present application;

Fig. 18 is a schematic structural view of opening a slit on the first liquid guiding element or the second liquid guiding element according to another embodiment of the present application;

Fig. 19 is a schematic structural diagram of opening a slit on the first liquid guiding element or the second liquid guiding element according to another embodiment of the present application.

Detailed ways

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

The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship between the various components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly. 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 apparatuses.

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 occurrences 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.

The application will be described in detail below in conjunction with the accompanying drawings and embodiments.

Please refer to FIG. 1 . FIG. 1 is a schematic structural diagram of an electronic atomization device provided by an embodiment of the present application. In this embodiment, an electronic atomization device 100 is provided, and the electronic atomization device 100 can be used to atomize an aerosol-generating substrate to form an aerosol for inhalation by a user. Wherein, the aerosol-generating substrate can be a plant-grass-like substrate or a paste-like substrate. Specifically, the electronic atomization device 100 includes an atomizer 101 and a power supply assembly 102 .

Among them, the atomizer 101 can be used in different fields, such as medical atomization, electronic atomization, and the like. The atomizer 101 is specifically used to heat and atomize the aerosol-generating substrate when energized to form an aerosol. Specifically, the atomizer 101 can be the atomizer 101 involved in any of the following embodiments. For its specific structure and function, please refer to the description of the specific structure and function of the atomizer 101 in the following embodiments, and can achieve the same Or similar technical effects, see below for details.

The power supply assembly 102 is connected with the atomizer 101 and used for supplying power to the atomizer 101 . Wherein, the atomizer 101 and the power supply assembly 102 may be detachably connected to facilitate replacement of the atomizer 101 and improve the utilization rate of the power supply assembly 102 . Of course, in other embodiments, the power supply assembly 102 and the atomizer 101 may also be integrated, which is not limited in this application.

Please refer to FIG. 2 , which is a schematic structural diagram of an atomizer provided by an embodiment of the present application. In this embodiment, an atomizer 101 is provided, and the atomizer 101 includes a casing 10 and an atomizing core 20 . Further, the atomizer 101 may also include a mounting seat, a seal and the like.

Wherein, the casing 10 has an accommodating cavity, and the atomizing core 20 is arranged in the accommodating cavity, and cooperates with the inner wall of the casing 10 to form a liquid storage cavity 30, and the liquid storage cavity 30 is used for storing the aerosol generating substrate. In a specific embodiment, the atomizing core 20 is used to heat and atomize the aerosol-generating substrate from the liquid storage chamber 30 to form an aerosol when energized.

Wherein, the atomizing core 20 can specifically be the atomizing core 20 involved in any one of the following embodiments, and its specific structure and function can refer to the following description about the atomizing core 20 , and can achieve the same or similar technical effects.

Please refer to Fig. 3 to Fig. 8, wherein Fig. 3 is a schematic structural view of the atomizing core 20 provided by an embodiment of the present application; Fig. 4a is a cross-sectional view of the atomizing core 20 shown in Fig. 3 along the A-A direction; Fig. 4b is Fig. 4a Figure 5 is a B-B cross-sectional view of the atomizing core 20 shown in Figure 3; Figure 6 is a schematic structural view of the atomizing core 20 provided by an embodiment of the present application except for the liquid inlet pipe 23 and the heating seat 24; FIG. 7 is a schematic diagram of the unfolded structure of the five-layer first liquid guiding member 21 provided in the first embodiment of the present application; FIG. 8 is a schematic diagram of disassembly of FIG. 7 .

In this embodiment, as shown in FIG. 3 to FIG. 6 , an atomizing core 20 is provided. The atomizing core 20 includes a first liquid guiding element 21 and a heating element 22 . Wherein, the first liquid guiding member 21 is layered and can be arranged in a ring shape, that is, to form a hollow column.

Specifically, as shown in FIGS. 7 and 8 , the first liquid-guiding member 21 may include at least one liquid-guiding layer; and the first liquid-guiding member 21 has a first side and a second side that are oppositely arranged; wherein, the first The first side of the liquid guiding member 21 specifically refers to the outermost side of the ring-shaped first liquid guiding member 21 , and the second side of the first liquid guiding member 21 specifically refers to the innermost side of the ring-shaped first liquid guiding member 21 . In a specific embodiment, the first liquid guiding member 21 is specifically used to guide the aerosol-generating substrate from the first side to the second side. Wherein, the first liquid-guiding member 21 can be a liquid-guiding cotton, so as to guide the aerosol-generating substrate from the first side to the second side through the capillary force of the liquid-guiding cotton. Specifically, the fluid-guiding cotton can be linen to ensure the temperature resistance and environmental protection of the first fluid-guiding member 21; of course, the fluid-guiding cotton can also be non-woven fabric.

In a specific embodiment, as shown in FIG. 8 , the first liquid-conducting member 21 includes a multi-layer liquid-conducting layer (not shown), and at least one of the multi-layer liquid-conducting layers is provided with a first guiding layer. The liquid hole 211 , so that the first liquid guide member 21 specifically passes through the first liquid guide hole 211 to drain the aerosol-generating substrate from the first side to the second side. Among them, the first liquid guide member 21 drains the aerosol-generating matrix through the first liquid guide hole 211, which can not only reduce the diversion resistance, but also improve the diversion capacity; solution, since the oil supply rate of the first liquid guide 21 mainly depends on the relevant performance parameters of the first liquid guide hole 211, for example, the width and/or number of the first liquid guide hole 211 can be increased to increase The liquid conduction rate of the first liquid guide 21, or by reducing the width and/or number of the first liquid guide holes 211, to reduce the liquid conduction rate of the first liquid guide 21, therefore, the first liquid guide The oil supply rate of 21 is less affected by the degree of tightness of the first liquid guide 21. At the same time, in the specific embodiment, the first liquid guide hole 211 with parameters such as the corresponding number or width can be set according to the diversion rate of the actual demand, which can ensure that the atomizing core 20 can avoid the occurrence of low oil supply rate and occurrence of oil supply. The problem of insufficient oil can avoid the problem of suction leakage due to the fast oil supply rate.

Wherein, the shape of the first liquid guiding hole 211 is not limited, specifically, it may be circular, strip-shaped, or elliptical. Wherein, the strip shape may be a track shape or a rectangle. The angle between the longitudinal direction of the elongated first liquid guiding hole 211 and the extended longitudinal direction of the first liquid guiding member 21 (ie, the angle of inclination α) may be 0°-180°. Preferably, the angle between the longitudinal direction of the elongated first liquid guiding hole 211 and the length direction of the first liquid guiding member 21 after deployment can be 0°, 45° or 90°, so as to facilitate the generation of aerosol The matrix spreads along the radial direction, the circumferential direction and/or the axial direction of the first liquid guiding member 21, thereby improving the uniformity of liquid guiding.

Wherein, the width of the first liquid guiding hole 211 can be 1.0 mm to 5 mm, so as to use the capillary force of the first liquid guiding hole 211 to conduct flow diversion, and at the same time avoid excessively fast liquid guiding rate and liquid leakage when the width is large. The problem.

The heating element 22 is disposed on the second side of the first liquid guiding element 21 for heating and atomizing the aerosol-generating substrate when electrified. Specifically, the heating element 22 is arranged on the surface of the second side of the first liquid guiding element 21, that is, the heating element 22 is arranged on the innermost surface of the first liquid guiding element 21 to guide the flow to the first liquid guiding element 21. The aerosol-generating substrate on the innermost surface is heated and atomized. Wherein, the heating element 22 can be a heating film or a metal frame, such as a copper mesh.

In the atomizing core 20 provided in this embodiment, the first liquid guiding member 21 is provided, and the first liquid guiding hole 211 is opened on the first liquid guiding member 21, so as to transfer the aerosol generating substrate from the first liquid guiding hole 211. The first side of the first liquid guide 21 guides the flow to the second side; this can not only avoid the influence of the tightness of the first liquid guide 21 on the liquid conduction rate of the atomizing core 20, but also can control the first liquid guide The parameters such as the number and width of the holes 211 ensure that the atomizing core 20 not only supplies enough oil during the atomization process, but also does not have the problem of suction leakage, thereby effectively prolonging the service life of the heating element 22 . In addition, by setting the heating element 22, the heating element 22 is arranged on the second side of the first liquid guiding element 21, so that when the heating element 22 is energized, the aerosol generating substrate is heated and atomized by the heating element 22 to form an aerosol.

In this embodiment, as shown in FIG. 8 , the first liquid-conducting member 21 specifically includes a multi-layer non-porous liquid-conducting layer 21 a and a multi-layer porous liquid-conducting layer 21 b. The first liquid guide hole 211 is specifically opened on the porous liquid guide layer 21b; and each porous liquid guide layer 21b can be provided with a plurality of first liquid guide holes 211 arranged at intervals to improve the first liquid guide member 21. Uniformity of the upper aerosol-generating matrix. Specifically, a plurality of first liquid-conducting holes 211 on different porous liquid-conducting layers 21b can be arranged in one-to-one correspondence, and the following embodiments are all taken as examples; of course, they can also be misplaced or irregularly distributed. Not limited. In this embodiment, by making the first liquid-guiding member 21 include a non-porous liquid-guiding layer 21a and a porous liquid-guiding layer 21b, not only the first liquid-guiding holes 211 on the porous liquid-guiding layer 21b can be used to guide the aerosol-generating substrate liquid, the non-porous liquid-conducting layer 21a can also be used to avoid the fast oil supply rate of the first liquid-conducting hole 211 and the problem of liquid leakage, thereby adjusting the number of layers of the non-porous liquid-conducting layer 21a and the porous liquid-conducting layer 21b and layout, so as to effectively control the diffusion rate of the aerosol-generating matrix in the first liquid guiding member 21.

As shown in FIG. 8 , the first liquid-conducting member 21 has a five-layer structure, including three layers of non-porous liquid-conducting layers 21a and two layers of porous liquid-conducting layers 21b. The two-layer porous liquid-conducting layer 21b is non-woven fabric, and the three-layer non-porous liquid-conducting layer 21a includes two layers of flax and one layer of non-woven fabric, and the non-woven fabric as the non-porous liquid-conducting layer 21a is sandwiched between the two layers Between flax and two layers of perforated liquid-conducting layers 21b.

In a specific embodiment, as shown in FIG. 8 , all non-porous liquid-conducting layers 21 a are disposed on the same side of all porous liquid-conducting layers 21 b. In another specific embodiment, refer to FIG. 9 , which is a schematic disassembly diagram of the first liquid guiding member with a six-layer structure provided in the second embodiment of the present application. The non-porous liquid-conducting layers 21a and the porous liquid-conducting layers 21b are arranged alternately. In this specific embodiment, one, two or three non-porous liquid-conducting layers 21a can be arranged between two adjacent porous liquid-conducting layers 21b; or, between two adjacent non-porous liquid-conducting layers 21a One, two or three layers of porous liquid-conducting layer 21b may be provided, which is not limited in this application. In Fig. 9, from the outermost to the innermost layer, the first and third layers are porous fluid-conducting layers 21b, and the other layers are non-porous fluid-conducting layers 21a; the first, second and fourth layers are non-porous fluid-conducting layers. Woven cloth, other layers are linen.

In a specific embodiment, the heating element 22 is specifically in contact with the non-porous liquid-conducting layer 21a of the first liquid-guiding element 21, that is, at least one liquid-conducting layer of the first liquid-guiding element 21 that is in contact with the heating element 22 is non-porous. The liquid guiding layer 21a is used to increase the effective contact area between the heating element 22 and the first liquid guiding element 21 and improve the uniformity of atomization. In a specific embodiment, the adjacent layers of liquid conducting layers arranged next to the heating element 22 may be non-porous liquid conducting layers 21a, so as to avoid excessive oil supply.

Further, for other liquid-conducting layers in the first liquid-conducting member 21 except the liquid-conducting layer in contact with the heating element 22, at least the outermost liquid-conducting layer along the direction from the second side to the first side is a porous liquid-conducting layer 21b, to reduce oil supply resistance and increase oil supply rate.

Wherein, referring to Fig. 10a to Fig. 10e, Fig. 10a is a schematic structural diagram of the porous liquid-conducting layer provided in the first embodiment of the present application; Fig. 10b is a structural schematic diagram of the porous liquid-conducting layer provided in the second embodiment of the present application ; Figure 10c is a schematic structural view of the porous liquid-conducting layer provided in the third embodiment of the present application; Figure 10d is a schematic structural view of the porous liquid-conducting layer provided in the fourth embodiment of the present application; Figure 10e is the fifth embodiment of the present application A schematic diagram of the structure of the porous liquid-conducting layer is provided.

In one embodiment, as shown in FIG. 10a, the shapes of the first liquid-conducting holes 211 on the same layer of porous liquid-conducting layer 21b are different, and the first liquid-conducting holes 211 of different shapes are along the direction of the porous liquid-conducting layer 21b. The circumferential directions are alternately distributed to regulate the liquid guiding rate of the entire first liquid guiding member 21 . Specifically, the same layer of porous liquid-conducting layer 21b may include vertically arranged strip-shaped first liquid-conducting holes 211 and circular first liquid-conducting holes 211, which are alternately distributed and arranged at equal intervals, so as to Drain the aerosol-generating substrate in axial and radial directions.

In another embodiment, as shown in Fig. 10b to Fig. 10e, the shapes of a plurality of first liquid-guiding holes 211 on the same porous liquid-guiding layer 21b are the same, for example, they are all racetrack-shaped (see Fig. 10b, Fig. 10c Or Fig. 10d) or circular (see Fig. 10e), and a plurality of first liquid-conducting holes 211 can be arranged at equal intervals along the circumferential direction of the porous liquid-conducting layer 21b.

In a specific embodiment, the shapes of the plurality of first liquid guide holes 211 on the same porous liquid guide layer 21b are the same, and the shapes of the first liquid guide holes 211 on different porous liquid guide layers 21b are different, To regulate the overall liquid conduction rate and diffusion range of the first liquid conduction layer. For example, the first liquid guide hole 211 on one of the two adjacent layers of porous liquid conduction layer 21b is elongated, and the first guide hole 211 on the other layer of porous liquid conduction layer 21b is elongated. The liquid hole 211 is circular; or, as shown in Figures 11-12 below, the first liquid guide hole 211 on one layer of the porous liquid guide layer 21b is a long strip with an inclination angle value α of 45°, and the other The first liquid-guiding holes 211 on the porous liquid-guiding layer 21b are long strips with an inclination angle α of 135°, so as to increase the lateral diffusion range of the aerosol-generating substrate.

In another specific embodiment, the first liquid guide holes 211 on the same porous liquid guide layer 21b have the same shape, and the first liquid guide holes 211 on different porous liquid guide layers 21b have the same shape but are arranged in the same manner. different. For example, the shapes of the first liquid-conducting holes 211 on the two layers of porous liquid-conducting layers 21b are all elongated or circular, but the first liquid-conducting holes 211 on one layer of the porous liquid-conducting layer 21b are along the The circumferential direction of the liquid-conducting layer 21b is distributed at equal intervals, and the first liquid-conducting holes 211 on the other porous liquid-conducting layer 21b are evenly distributed on the porous liquid-conducting layer 21b.

In yet another specific embodiment, as shown in FIG. 8 , the first liquid guide holes 211 on the same porous liquid guide layer 21b have the same shape, and the first liquid guide holes 211 on different porous liquid guide layers 21b have the same shape. are the same shape and arranged in the same way. Specifically, the shapes of the first liquid-conducting holes 211 on two adjacent liquid-conducting layers are also the same and arranged in one-to-one correspondence, so as to increase the liquid-conducting rate. In this embodiment, the shape of the first liquid-conducting hole 211 may be a racetrack shape extending along the width direction of the liquid-conducting layer.

Please refer to Fig. 11 and Fig. 16, wherein Fig. 11 is a schematic structural view of the first liquid guiding member with a six-layer structure provided in the third embodiment of the present application; Fig. 12 is a schematic disassembly diagram of Fig. 11; Fig. 13 is a schematic diagram of the first liquid guiding member of the present application Schematic diagram of the disassembly of the first liquid-guiding member of the six-layer structure provided by the fourth embodiment; FIG. 14 is a schematic structural diagram of the first liquid-guiding member provided by the fifth embodiment of the present application; FIG. 15 is a schematic disassembly diagram of FIG. 14; 16 is a disassembled schematic diagram of the six-layer structure first liquid guiding member provided in the sixth embodiment of the present application. The shape of the first liquid-conducting hole 211 on each porous liquid-conducting layer 21b is elongated.

In a specific embodiment, as shown in FIGS. 11 to 13 , the projections of the first liquid-conducting holes 211 on the two adjacent porous liquid-conducting layers 21b in the thickness direction of the porous liquid-conducting layers 21b intersect and sandwich each other. The angle is 30°-90° to conduct the aerosol-generating substrate in different directions. Specifically, the inclination angle value α of the first liquid conducting hole 211 on one of the two adjacently arranged porous liquid conducting layers 21b is the same as that on the other layer of the porous liquid conducting layer 21b. The sum of the inclination angle values α of the first liquid guiding holes 211 at corresponding positions may be 180 degrees. Preferably, the correspondingly provided first liquid conducting holes 211 on two adjacent layers of porous liquid conducting layers 21b are arranged to intersect after projection with an included angle of 90°. For example, if the inclination angle value α of the first liquid conducting hole 211 on one of the two adjacently arranged porous liquid conducting layers 21b is 45°, then the other layer has a porous liquid conducting layer. The inclination angle α of the first liquid guide hole 211 at the corresponding position on the layer 21 b is 135°, so as to facilitate the diffusion of the aerosol-generating substrate along the circumferential direction and the axial direction of the first liquid guide member 21 .

In another specific embodiment, as shown in Fig. 14 to Fig. 16, the first liquid-conducting holes 211 on the two adjacent layers of porous liquid-conducting layers 21b are misplaced, and the adjacent two layers of porous liquid-conducting layers The projections of the first liquid-conducting holes 211 on the porous liquid-conducting layer 21b in the thickness direction are connected end to end, so that the first liquid-conducting holes 211 are connected to each other, thereby improving the liquid-conducting rate and uniformity. In this embodiment, the inclination angle α of each first liquid guiding hole 211 is greater than 0°. Preferably, the inclination angle α of the first liquid conducting hole 211 on one of the two adjacently arranged porous liquid conducting layers 21b is 45°, and the other layer has a porous conducting hole 211. The inclination angle α of the first liquid guide hole 211 at the corresponding position on the liquid layer 21b is 135°.

Of course, in other embodiments, the shapes of the plurality of first liquid-conducting holes 211 on the same porous liquid-conducting layer 21b may be partly the same, partially different, or all different; the first liquid-conducting holes on different liquid-conducting layers The shape or position of the holes 211 can also be selected according to actual needs, for example, the projections of the first liquid-conducting holes 211 in the thickness direction of the porous liquid-conducting layer 21b partially overlap or do not overlap each other. The present application does not limit this, as long as the liquid supply is sufficient and the liquid leakage problem does not occur.

In an embodiment, please refer to FIG. 3 to FIG. 6 , the atomizing core 20 further includes a liquid inlet pipe 23 , a heating seat 24 and a second liquid guiding member 25 .

Wherein, the liquid inlet pipe 23 has a tubular structure, and at least one liquid inlet hole 231 is opened on the side wall of the liquid inlet pipe 23, and the aerosol-generating substrate specifically enters the first side of the first liquid guide member 21 through the liquid inlet hole 231. . In a specific embodiment, a plurality of liquid inlet holes 231 are opened on the side wall of the liquid inlet pipe 23 , and the plurality of liquid inlet holes 231 can be arranged at equal intervals along the circumferential direction of the liquid inlet pipe 23 . Specifically, the liquid inlet hole 231 may extend along the axial direction of the liquid inlet pipe 23 .

At least part of the heating seat 24 is sheathed in the liquid inlet pipe 23 to realize connection with the liquid inlet pipe 23 . Specifically, the heating seat 24 is in interference fit with the liquid inlet pipe 23 . Wherein, heating seat 24 is hollow shape. In a specific embodiment, the first liquid-guiding member 21 is arranged in a ring shape on the inner surface of the heating seat 24 and surrounds it to form an atomizing chamber. Specifically, the position corresponding to the liquid inlet hole 231 is also provided with a guide hole 241 on the side wall of the heating seat 24 for the passage of the aerosol generating substrate. Specifically, the positions of the diversion holes 241 and the liquid inlet holes 231 may correspond one-to-one; further, the size and/or shape of the diversion holes 241 and the liquid inlet holes 231 may be consistent, so as to reduce the diversion resistance.

In a specific embodiment, the part of the heating seat 24 embedded in the liquid inlet pipe 23 is spaced apart from the inner wall of the liquid inlet pipe 23 to form a ventilation channel. The second liquid guide 25 is specifically arranged between the heating seat 24 and the liquid inlet pipe 23, and is embedded in the ventilation channel, so as to realize the ventilation of the liquid storage chamber 30 through the second liquid guide 25, thereby maintaining the liquid storage. The air pressure inside and outside the cavity 30 is balanced to ensure that the aerosol-generating substrate can flow out of the liquid storage cavity 30 smoothly. Wherein, the second liquid guiding member 25 may also be liquid guiding cotton; wherein, the material of the liquid guiding cotton may be non-woven fabric.

In a specific embodiment, as shown in FIG. 4 b , on the premise of not affecting the ventilation of the second liquid guide 25 , in order to reduce the influence of the second liquid guide 25 on the flow rate of the atomizing core 20 , To ensure the liquid supply rate, a plurality of second liquid guide holes 251 can be opened on the second liquid guide member 25, so that the aerosol-generating substrate entering the liquid inlet hole 231 can be diverted to the first liquid guide hole 251 through the second liquid guide hole 251. piece 21. It can be understood that, in this embodiment, the aerosol-generating substrate in the liquid storage chamber 30 is guided to the first liquid guide member 21 through the liquid inlet hole 231, the second liquid guide hole 251, and the guide hole 241 in sequence. One side, and then lead to the innermost surface of the first liquid guiding element 21 through the first liquid guiding hole 211, so as to be heated and atomized by the heating element 22 arranged on the innermost surface to form an aerosol. In a specific embodiment, the first liquid guiding hole 211 and/or the second liquid guiding hole 251 may be through holes.

Specifically, the second liquid-guiding element 25 can be a layer of liquid-guiding layer, and the second liquid-guiding element 25 can specifically be a liquid-guiding cotton. Certainly, in other specific embodiments, the second liquid guiding member 25 may also be a liquid guiding layer arranged in multiple layers, which is not limited in this application. Wherein, the shape and distribution mode of the second liquid guide holes 251 on the second liquid guide member 25 and the distribution mode of the first liquid guide holes 211 on the liquid guide layer of different layers can be compared with those on the above-mentioned first liquid guide member 21. The shapes and distribution methods of the first liquid guiding holes 211 are the same or similar, and can achieve the same or similar technical effects, which will not be repeated here.

Further, referring to Fig. 17 and Fig. 18, Fig. 17 is a schematic structural diagram of opening a slit on the first liquid guiding part or the second liquid guiding part provided by one embodiment of the present application; Fig. 18 is a schematic diagram of the structure provided by another embodiment of the present application Schematic diagram of the structure of opening slits on the first liquid guiding part or the second liquid guiding part; in one embodiment, a plurality of slits 212 are also provided on the first liquid guiding part 21 and/or the second liquid guiding part 25, so that Because the aerosol-generating substrate flows along the extending direction of the slit 212 and passes through the slit 212, at the same time, the stress of the first liquid guiding member 21 and/or the second liquid guiding member 25 can be reduced, which facilitates installation. Wherein, the width of the gap 212 ranges from 0.1mm to 2mm.

In a specific embodiment, as shown in FIG. 17 , each slit 212 can extend along the circumferential direction of the first liquid-guiding member 21 or the second liquid-guiding member 25, and a plurality of slits 212 can extend along the first liquid-guiding member. 21 or the width direction of the second liquid guiding member 25 are arranged at equal intervals.

In another specific embodiment, as shown in FIG. 18 , the angle between the longitudinal direction of each slit 212 and the longitudinal direction of the first liquid guiding member 21 and/or the second liquid guiding member 25 after deployment is greater than 0. ° and less than or equal to 90°; and a plurality of slits 212 may be arranged at equal intervals along the circumferential direction of the slits 212 .

Specifically, refer to FIG. 19. FIG. 19 is a structural schematic diagram of opening a slit on the first liquid-guiding member or the second liquid-guiding member according to another embodiment of the present application; when the first liquid-guiding layer 21 and/or the second liquid-guiding layer When the liquid layer 25 has both liquid conducting holes and gaps 212, the gaps 212 can connect adjacent liquid guiding holes, thereby further increasing the circumferential liquid guiding effect of the liquid guiding member.

In a specific embodiment, the atomizing core 20 may also include a sealing element and a thimble; wherein, the sealing element is arranged at the bottom of the base for sealing the atomizing chamber, so as to prevent the aerosol-generating substrate in the atomizing chamber from leaking and Problems such as a short circuit in the leads of the heating element 22 occur. Specifically, the sealing member can be a sealing silicone.

The thimble is connected with the heating element 22 , and the thimble is used for connecting with the power supply assembly 102 to connect the heating element 22 with the power supply assembly 102 so that the power supply assembly 102 supplies power to the heating element 22 . In a specific embodiment, the heating seat 24 is provided with an air inlet and two installation holes; wherein, the atomization chamber communicates with the outside atmosphere through the air inlet, so as to form an airflow during the user's inhalation process. The thimble is passed through the installation hole to connect with the heating element 22 in the atomizing chamber. Specifically, the thimble may include a positive thimble and a negative thimble, and the positive thimble and the negative thimble are arranged in one-to-one correspondence with the two installation holes.

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

Claims (15)

An atomizing core, including: The first liquid-guiding element includes a liquid-guiding layer; the first liquid-guiding element has a first side and a second side disposed opposite to each other; The flow is directed to the second side; and at least one liquid-conducting layer of the first liquid-guiding member is provided with a first liquid-guiding hole; The heating element is arranged on the second side of the first liquid guiding element, and is used for heating and atomizing the aerosol generating substrate when electrified. The atomizing core according to claim 1, wherein the first liquid guiding member comprises: Non-porous liquid-conducting layer; The porous liquid-conducting layer is stacked with the non-porous liquid-conducting layer; the porous liquid-conducting layer is provided with a plurality of first liquid-conducting holes. The atomizing core according to claim 2, wherein the number of the non-porous liquid-conducting layer and the porous liquid-conducting layer are both multiple layers, and the non-porous liquid-conducting layer and the porous liquid-conducting layer Layers are set alternately. The atomizing core according to claim 2, wherein all the non-porous liquid-conducting layers are arranged on the same side of all the porous liquid-conducting layers. The atomizing core according to claim 2, wherein the heating element is arranged on the surface of the second side of the first liquid guiding element, and the first liquid guiding element contacts the liquid guiding element layer is the non-porous liquid-conducting layer. The atomizing core according to claim 5, wherein the other liquid-conducting layers in the first liquid-guiding member except the liquid-conducting layer in contact with the heating element are along the second side to the first In the direction of the side, at least the outermost liquid-conducting layer is the porous liquid-conducting layer. The atomizing core according to claim 2, wherein the first liquid-conducting holes on the different porous liquid-conducting layers have the same shape and are set in one-to-one correspondence; Or, the shapes of the first liquid guide holes on the same porous liquid guide layer are the same, and the shapes of the first liquid guide holes on different porous liquid guide layers are different; Or, the shapes of the first liquid conduction holes on the same layer of the porous liquid conduction layer are different, and the first liquid conduction holes of different shapes are arranged alternately and at intervals along the circumferential direction of the porous liquid conduction layer ; Or, the shapes of the first liquid-guiding holes on the same porous liquid-conducting layer are the same, and the shapes of the first liquid-guiding holes on different porous liquid-conducting layers are the same but arranged in different ways. The atomizing core according to claim 7, wherein the shape of the first liquid guiding hole is long, and the first liquid guiding holes on the two adjacent layers of the porous liquid guiding layer are in the shape of the first liquid guiding hole The projections in the thickness direction of the porous liquid-conducting layer intersect or connect end to end. The atomizing core according to claim 7, wherein the shape of the first liquid guiding hole is long, and the first liquid guiding holes on the two adjacent layers of the porous liquid guiding layer are in the shape of the first liquid guiding hole The projections in the thickness direction of the porous liquid-conducting layer do not overlap each other. The atomizing core according to claim 1, further comprising: The liquid inlet pipe is provided with a liquid inlet hole; The heating seat is at least partly sleeved in the liquid inlet pipe; and the first liquid guide is arranged on the inner surface of the heating seat; The second liquid guide is arranged between the heating seat and the liquid inlet pipe, and a second liquid guide hole is opened on the second liquid guide; the aerosol-generating substrate passes through the inlet in turn The liquid hole and the second liquid guiding hole lead to the first side of the first liquid guiding element. The atomizing core according to claim 10, wherein a gap is opened on the first liquid guiding member and/or the second liquid guiding member; wherein, the width range of the first liquid guiding hole is 1.0 mm to 5.0mm, and the width of the gap ranges from 0.1mm to 2mm. The atomizing core according to claim 11, wherein the included angle between the longitudinal direction of the slit and the deployed longitudinal direction of the first liquid guiding element and/or the second liquid guiding element is 0° or 45° °. The atomizing core according to claim 10, wherein, the first liquid-guiding element and/or the second liquid-guiding element is liquid-guiding cotton. A nebulizer, comprising: The shell has an accommodating cavity; The atomizing core is arranged in the accommodating cavity and cooperates with the housing to form a liquid storage cavity; the atomizing core is used to heat and atomize the aerosol generating substrate from the liquid storage cavity when energized ; Wherein, the atomization core is the atomization core according to claim 1. An electronic atomization device, including: Atomizer; the atomizer is the atomizer according to claim 14; The power supply component is connected with the atomizer and used for supplying power to the atomizer.

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