WO2022179231A2 - Heating body assembly, atomizer and electronic atomization device - Google Patents

Abstract

Provided are a heating body assembly, an atomizer and an electronic atomization device. The heating body assembly comprises a heating body and a base, wherein the heating body comprises a sheet-like base body; the base is provided with a first communication hole; the heating body is embedded in the base and arranged across the first communication hole; and the heating body is detachably connected to the base. By means of the above arrangement, the heating body is assembled in the atomizer together with the base, which prevents the problem of a thin heating body being prone to breakage during transportation or assembly.

Description

Heating body components, atomizers and electronic atomization devices technical field

The present application relates to the technical field of atomizers, and in particular, to a heating element assembly, an atomizer and an electronic atomization device.

Background technique

The electronic atomization device is composed of a heating element, a battery and a control circuit. The heating element is the core component of the electronic atomization device, and its characteristics determine the atomization effect and use experience of the electronic atomization device.

Existing heating elements are mainly cotton core heating elements and ceramic heating elements. The cotton core heating element is mostly a structure in which a spring-like metal heating wire is wound around a cotton rope or fiber rope; the liquid aerosol to be atomized is absorbed by the two ends of the cotton rope, and then transferred to the central metal heating wire for heating and atomization. Most of the ceramic heating elements are heating elements formed on the surface of the porous ceramic body, and the porous ceramic body plays the role of conducting liquid and storing liquid.

With the advancement of technology, users have higher and higher requirements for the atomization effect of electronic atomization devices. In order to meet the needs of users, a thin heating body is provided to improve the liquid supply capacity, such as sheet-shaped microporous array glass. Heat-generating body, but this thin heat-generating body is easy to break.

SUMMARY OF THE INVENTION

In view of this, the present application provides a heating element assembly, an atomizer, and an electronic atomization device to solve the technical problem that the thin heating element is easily broken in the prior art.

In order to solve the above-mentioned technical problems, the first technical solution provided by the present application is to provide a heating element assembly, including a heating element and a base; the heating element comprises a sheet-like base; the base is provided with a first communication The heating body is embedded in the base and spans the first communication hole; the heating body and the base are detachably connected.

Wherein, an insertion port is provided on the side wall of the base, and the insertion port is communicated with the first communication hole; A port is provided in the base.

Wherein, an installation cavity is arranged on the hole wall of the first communication hole, and the heating body is arranged in the installation cavity.

Wherein, the installation cavity is an annular groove arranged on the hole wall of the first communication hole, the periphery of the heating element is arranged in the installation cavity, and the middle part of the heating element communicates through the first communication hole. The hole is left open.

Wherein, the base includes a first sub-base and a second sub-base; the first sub-base cooperates with the second sub-base to form the first communication hole and the installation cavity, and the heating element arranged in the installation cavity;

The first sub-base is provided with a first connection structure, the second sub-base is provided with a second connection structure, and the first sub-base and the second sub-base pass through the first sub-base. The connecting structure and the second connecting structure are detachably connected.

The first sub-base and the second sub-base are arranged in layers; the heating element divides the first communication hole into a first sub-connection hole and a second sub-connection hole; the first sub-base The communication hole is located on the first sub-base, and the second sub-communication hole is located on the second sub-base.

Wherein, a first groove is formed on a surface of the first sub-base close to the second sub-base, a second groove is formed on a surface of the second sub-base close to the first sub-base, and the The first groove and the second groove cooperate to form the installation cavity.

Wherein, the first sub-base and the second sub-base are arranged side by side, an end of the first sub-base close to the second sub-base is provided with a first opening, and the second sub-base is provided with a first opening. A second opening is disposed near one end of the first sub-base, and the first opening cooperates with the second opening to form the first communication hole.

Wherein, the bottom wall of the first opening is provided with a third groove, the bottom wall of the second opening is provided with a fourth groove, and the third groove and the fourth groove cooperate to form an installation cavity.

Wherein, the heating element is arranged on the center line in the thickness direction of the base.

Wherein, the sheet-like substrate is a dense substrate with a thickness of less than or equal to 1 mm; or the sheet-like substrate is a porous ceramic sheet with a thickness of less than or equal to 2 mm.

Wherein, the sheet-like substrate includes a liquid absorbing surface and an atomizing surface opposite to the liquid absorbing surface, and the heating element further includes a heating element disposed on the atomizing surface.

Wherein, the sheet-shaped base is the dense base; the sheet-shaped base is provided with a plurality of first micropores, and the first micropores are through holes passing through the liquid absorbing surface and the atomizing surface .

Wherein, the material of the base is silica gel, fluororubber, plastic or resin.

In order to solve the above technical problems, the second technical solution provided by the present application is to provide an atomizer, which includes a liquid storage chamber and a heating element assembly; the liquid storage chamber is used for storing a liquid aerosol generating matrix, and the heating The body assembly is used for atomizing the aerosol generating substrate; the heating body assembly is the heating body assembly described in any one of the above.

In order to solve the above technical problems, the third technical solution provided by the present application is to provide an electronic atomization device, including an atomizer and a host, the atomizer is the above-mentioned atomizer, and the host controls The atomizer works.

The beneficial effects of the present application: different from the prior art, the heating element assembly in the present application includes a heating element and a base; the heating element includes a sheet-like base; the base is provided with a first communication hole; the heating element is embedded in the base , and straddles the first communication hole; the heating element and the base are detachably connected. Through the above arrangement, the heating body and the base are assembled to the atomizer together, so as to avoid the problem that the heating body with a thin thickness is easily broken during transportation or assembly.

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, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the electronic atomization device provided by the application;

Fig. 2 is the structural representation of the atomizer provided by the application;

3 is a schematic structural diagram of the first embodiment of the heating element assembly in the atomizer provided by the present application;

4 is a schematic cross-sectional view of the heating element assembly provided in FIG. 3 along the A-A direction;

5 is a schematic structural diagram of a heating element in the heating element assembly of FIG. 3;

Fig. 6 is the structural representation of sheet-like substrate in the heating element of Fig. 5;

7 is a schematic structural diagram of an embodiment of an installation cavity in the heating element assembly of FIG. 4;

FIG. 8 is a schematic structural diagram of another embodiment of the installation cavity in the heating element assembly of FIG. 4;

FIG. 9 is a schematic structural diagram of an assembly mode of a heating element and a base in the heating element assembly of FIG. 3;

Figure 10 is a schematic structural diagram of another assembly method of the heating body and the base in the heating body assembly of Figure 3;

11 is a schematic structural diagram of the second embodiment of the heating element assembly in the atomizer provided by the present application;

12 is another schematic structural diagram of the second embodiment of the heating element assembly in the atomizer provided by the present application;

Figure 13 is a schematic cross-sectional view of the heating element assembly in the direction B-B in Figure 12;

14 is a schematic structural diagram of the third embodiment of the heating element assembly in the atomizer provided by the present application;

FIG. 15 is a schematic structural diagram of another embodiment of the elastic sheet in the heating element assembly provided in FIG. 14;

FIG. 16 is a schematic structural diagram of another embodiment of the elastic sheet in the heating element assembly provided in FIG. 14 .

Detailed ways

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

The terms "first", "second" and "third" in this application are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", "third" may expressly or implicitly include at least one of that feature. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. All directional indications (such as up, down, left, right, front, rear...) in the embodiments of the present application are only used to explain the relative positional relationship between components under a certain posture (as shown in the accompanying drawings). , motion situation, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover 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 also includes For other steps or units inherent to these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

Please refer to FIG. 1 , which is a schematic structural diagram of an electronic atomization device provided by the present application.

In this embodiment, an electronic atomization device 100 is provided, and the electronic atomization device 100 can be used for atomization of an aerosol-generating substrate. The electronic atomizer device 100 includes an atomizer 1 and a host 2 that are electrically connected to each other. The atomizer 1 and the host 2 may be integrally provided or detachably connected, and may be designed according to specific needs.

The nebulizer 1 is used to store the aerosol-generating substrate and atomize the aerosol-generating substrate to form an aerosol that can be inhaled by a user. The aerosol-generating substrate can be a liquid substrate such as a medicinal liquid, a plant grass liquid and the like. The atomizer 1 can be used in different fields, for example, medical treatment, beauty, leisure smoking and so on. The specific structure and function of the atomizer 1 can be referred to the specific structure and function of the atomizer 1 involved in any of the following embodiments, and can achieve the same or similar technical effects, which will not be repeated here.

The host 2 includes a battery (not shown), an airflow sensor (not shown) and a controller (not shown). The battery is used to power the atomizer 1, so that the atomizer 1 can atomize the aerosol to generate the matrix to form the aerosol; the airflow sensor is used to detect the airflow change in the electronic atomizer device 100, and the controller is based on the airflow detected by the airflow sensor. Variations and preset programs control whether atomizer 1 works.

Please refer to FIGS. 2-6 , FIG. 2 is a schematic structural diagram of an atomizer provided by the present application, FIG. 3 is a schematic structural diagram of a first embodiment of a heating element assembly in an atomizer provided by the present application, and FIG. 4 is a schematic diagram provided by FIG. 3 A schematic cross-sectional view of the heating element assembly along the A-A direction, FIG. 5 is a schematic structural diagram of the heating element in the heating element assembly of FIG. 3 , and FIG. 6 is a schematic structural diagram of the sheet-like substrate in the heating element of FIG. 5 .

The atomizer 1 includes a housing 10 , an atomizing seat 11 and a heating element assembly 12 . The housing 10 has a liquid storage chamber 13 and an air outlet channel 14 . The liquid storage chamber 13 is used for storing the liquid aerosol generating substrate, and the liquid storage chamber 13 is arranged around the air outlet channel 14 . The end of the housing 10 also has a suction port 15 , and the suction port 15 communicates with the air outlet channel 14 . The housing 10 has an accommodating cavity 16 on the side of the liquid storage cavity 13 away from the suction port 15, and the atomizing seat 11 is arranged in the accommodating cavity 16. The atomizing seat 11 includes an atomizing top seat 111 and an atomizing base 112 , and the atomizing top seat 111 and the atomizing base 112 cooperate to form a receiving cavity 113 ; that is, the atomizing seat 11 has a receiving cavity 113 . The heating element assembly 12 is arranged in the accommodating cavity 113 , and is arranged in the accommodating cavity 16 together with the atomizing seat 11 .

Two lower liquid channels 114 are provided on the atomizing top seat 111 . Specifically, two lower liquid channels 114 are provided on the top wall of the atomizing top seat 111 , and the two lower liquid channels 114 are arranged on both sides of the air outlet channel 14 . One end of the lower liquid channel 114 is communicated with the liquid storage cavity 13 , and the other end is communicated with the receiving cavity 113 , so that the aerosol generating substrate in the liquid storage cavity 13 enters the heating element assembly 12 through the lower liquid channel 114 .

Among them, the heating element assembly 12 is used for atomizing the aerosol generating substrate to generate the aerosol. The heating element assembly 12 includes a heating element 121 and a base 122 . In this embodiment, an atomizing cavity 115 is formed between the surface of the heating body 121 away from the liquid storage cavity 13 and the inner wall surface of the receiving cavity 113 , and the atomizing cavity 115 communicates with the air outlet channel 14 . An air inlet 116 is provided on the atomizing base 112 to communicate the outside with the atomizing cavity 115 . The outside air enters the atomizing chamber 115 through the air inlet 116, carries the aerosol atomized by the heating element 121 in the heating element assembly 12 into the air outlet channel 14, and finally reaches the suction port 15, where it is sucked by the user.

Specifically, the base 122 is provided with a first communication hole 1221 ; the heating element 121 is embedded in the base 122 and spans the first communication hole 1221 , and the heating element 121 is at least partially exposed through the first communication hole 1221 . The heating body 121 is detachably connected to the base 122 . The heating body 121 spans the first communication hole 1221 , which means that the heating body 121 overlaps the entire circumference of the end face of the first communication hole 1221 ; that is, the heating body 121 covers the entire first communication hole 1221 .

Referring to FIGS. 5 and 6 , the heating body 121 includes a sheet-like base body 1211 and a heating element 1212 . The heating element 1212 is arranged on the sheet-like base body 1211 . The sheet-like substrate 1211 may be a sheet-like dense substrate with a thickness of less than or equal to 1 mm, for example, the sheet-like dense substrate is a sheet-like glass sheet; the sheet-like substrate 1211 may also be a sheet-like porous ceramic sheet substrate with a thickness of less than or equal to 2 mm. The heating element 1212 can be a heating sheet, a heating film, a heating net, etc., which can be arranged on the surface of the sheet-like base 1211, or can be embedded in the sheet-like base 1211, and can be specifically designed according to needs. In some embodiments, the sheet-like base 1211 can generate heat by itself, for example, a ceramic heating body that generates heat by itself, and no additional heating element 1212 is required in this case.

The sheet shape defined by the sheet-like base body 1211 is relative to the block-like body, and the ratio of the length to the thickness of the sheet-like base body 1211 is larger than the ratio of the length to the thickness of the block-like body. In this embodiment, the sheet-like base body 1211 is in the shape of a flat plate.

The inventors of the present application have found that, whether the sheet-like substrate 1211 is a dense substrate or a porous substrate, due to its small thickness and low mechanical strength, it is easily broken during transportation or assembly, resulting in the atomizer 1 using the heating element 121. Assembly is inconvenient and expensive. For this reason, the present application prepares the heating body 121 and the base 122 to form a detachable structure, and the base 122 increases the tolerance of the heating body 121, which is beneficial to prevent the rupture of the heating body 121; the heating body 121 and the base 122 are made together It is assembled to the atomizer 1 to avoid the thin heating body 121 being easily broken during transportation or assembly. At the same time, forming a detachable connection between the heating body 121 and the base 122 is beneficial to standardize the size of the heating body 121 and the base 122 . In addition, since the resistance of the heating element 121 is increased by the base 122, it is beneficial to prevent the rupture of the heating element 121. When the heating element assembly 12 is assembled to the atomizer 1, automatic assembly can be realized, which is beneficial to improve the production efficiency.

The sheet-like base 1211 includes opposite liquid absorbing surfaces and atomizing surfaces. In this embodiment, the heating element 1212 is disposed on the atomizing surface, and an atomizing cavity 115 is formed between the atomizing surface and the inner wall surface of the receiving cavity 113 . Hereinafter, the detailed description will be given by taking the sheet-like substrate 1211 of the heating element 121 as a sheet-like dense substrate with a thickness of less than or equal to 1 mm, and the heating element 1212 of the heating element 121 as a heating film as an example.

The sheet-like base body 1211 includes a first surface 1211a and a second surface 1211b opposite to the first surface 1211a; the sheet-like base body 1211 is provided with a plurality of first micro-holes 1211c, and the first micro-holes 1211c penetrate through the first surface 1211a and the first surface 1211a. Through holes on the two surfaces 1211b. The heating element 1212 is formed on the first surface 1211a. The surface of the sheet substrate 1211 on which the heating element 1212 is disposed is the atomization surface, that is, the first surface 1211a of the sheet substrate 1211 is the atomization surface, and the second surface 1211b of the sheet substrate 1211 is the liquid absorbing surface. That is, the sheet-like base 1211 includes a liquid absorbing surface and an atomizing surface opposite to the liquid absorbing surface, and the heating element 1212 is disposed on the atomizing surface; the first micropores 1211c are through holes penetrating the liquid absorbing surface and the atomizing surface. The first micropores 1211c are used to guide the aerosol-generating substrate from the liquid absorbing surface to the atomizing surface, and the first micropores 1211c have capillary action.

In the present application, by arranging a plurality of first micropores 1211c with capillary force on the sheet-like substrate 1211, the size of the porosity of the heating body 121 can be precisely controlled, and the consistency of the product is improved. That is to say, in mass production, the porosity of the sheet-like base body 1211 in the heating element 121 is basically the same, and the thickness of the heating element 1212 formed on the sheet-like base body 1211 is uniform, so that the same batch of electronic atomization devices 100 are atomized. The effect is the same.

In this embodiment, the heating element 1212 is made of a heating film, and the heating element 1212 is provided with a second microhole 1212a corresponding to the first microhole 1211c.

In one embodiment, the sheet-like base 1211 is provided with a micro-hole array area and a blank area surrounding the micro-hole array area; the micro-hole array area has a plurality of first micro-holes 1211c; the first communication holes 1221 allow the micro-holes The array area is fully exposed. It can be understood that the size of the area around the micro-hole array area of the sheet-like base 1211 in this application is larger than the diameter of the first micro-hole 1211c, so it can be called a blank area; that is, the blank area in this application can be formed The first microholes 1211c are not formed in the region of the first microholes 1211c, but not in the area around the microhole array area where the first microholes 1211c cannot be formed. The blank area is not provided with the first micro-holes 1211c, which reduces the number of the first micro-holes 1211c on the sheet-like substrate 1211, thereby improving the strength of the sheet-like substrate 1211 in the heating element 121, and reducing the number of the first micro-holes 1211c on the sheet-like substrate 1211. Production cost of the first microhole 1211c.

Continuing to refer to FIGS. 2-4 , the base 122 is provided with a first communication hole 1221 , and the first communication hole 1221 exposes at least a part of the plurality of first micro holes 1211 c . The aerosol-generating matrix in the liquid storage chamber 13 passes through the lower liquid channel 114 and the first communication hole 1221 to reach the sheet-like base body 1211 of the heating element 121, and the aerosol is generated by the capillary force of the first micro-holes 1211c on the sheet-like base body 1211. The substrate is guided from the second surface 1211b to the first surface 1211a, so that the aerosol-generating substrate is atomized by the heating element 1212; that is, the first micropore 1211c passes through the first communication hole 1221, the lower liquid channel 114 and the liquid storage chamber 13 Connected. The material of the sheet-like substrate 1211 may be glass or dense ceramics; when the sheet-like substrate 1211 is glass, it may be one of ordinary glass, quartz glass, borosilicate glass, and photosensitive lithium aluminosilicate glass.

Specifically, on the side wall of the base 122 , that is, on the side wall surrounding the first communication hole 1221 , an insertion port 1222 is provided, and the insertion port 1222 communicates with the first communication hole 1221 . The insertion opening 1222 is arranged in cooperation with the heating element 121 , so that the heating element 121 is disposed in the base 122 through the insertion opening 1222 . The extending direction of the insertion port 1222 intersects with the extending direction of the first communication hole 1221 . In this embodiment, the extending direction of the first communication hole 1221 is parallel to the thickness direction of the base 122 , and the extending direction of the insertion port 1222 is perpendicular to the extending direction of the first communication hole 1221 . The shape and size of the insertion port 1222 are not limited, and can be designed according to the shape and size of the heating element 121. It is necessary to ensure that the heating element 121 does not need to be inserted with too much force to avoid rupture.

The position of the insertion port 1222 in the thickness direction of the base 122 is not limited, for example, it may be located in the middle of the side wall of the base 122 in the thickness direction of the base 122 . The insertion port 1222 may be provided on any side wall of the base 122 . For example, the annular side wall of the base 122 is set in a rectangular shape, including two oppositely arranged long sides and two oppositely arranged short sides; the insertion port 1222 can be arranged on one long side, so that the heating body 121 can have a shorter Insertion path to avoid breakage caused by too long insertion path. In an alternative embodiment, the insertion port 1222 may extend from one side wall to the other side wall. For example, the annular side wall of the base 122 is arranged in a rectangular shape, including two oppositely arranged long sides and two oppositely arranged short sides; the insertion opening 1222 is located at the corner of the side wall, extending from one long side to the adjacent short side In this way, the strength of the side wall caused by the opening of the insertion opening 1222 on the same side wall is too small.

The base 122 can be assembled from multiple parts, or can be integrally formed. In this embodiment, optionally, the base 122 is integrally formed. The material of the base 122 can be an elastic material, such as silica gel and fluororubber; the material of the base 122 can also be a hard material, such as plastic and resin. It can be understood that when the material of the base 122 is a hard material, the hard material is hardly deformed, and the size of the insertion port 1222 is slightly larger than that of the heating element 121 to reserve an assembly gap, which is convenient for the heating element 121 to be inserted or pulled out. At least the heating element 121 and the insertion port 1222 cannot be interfered with; the reserved assembly gap is not enough for the heating element 121 to slide out of the insertion port 1222 spontaneously, and the heating element 121 can be pulled out from the insertion port 1222 only under the action of external force. When the material of the base 122 is an elastic material with a sealing function such as silica gel, fluorine rubber, etc., the base 122 directly cooperates with the atomizing top seat 111, and the heating element 121 and the lower liquid channel 114 of the atomizing top seat 111 can be realized. hermetically sealed, which reduces the number of components and simplifies the assembly process. When the material of the base 122 is plastic, resin and other materials that cannot be sealed, a special sealing member needs to be provided between the base 122 and the atomizing top seat 111 to seal the lower liquid channel 114 and the heating element 121 .

Further, an installation cavity 1221a is also provided on the hole wall of the first communication hole 1221, and the heating element 121 is arranged in the installation cavity 1221a. Specifically, the periphery of the heating body 121 is disposed in the installation cavity 1221 a, and the middle portion of the heating body 121 is suspended through the first communication hole 1221 . In one embodiment, the blank area of the heating body 121 is disposed in the installation cavity 1221 a , and the micropore array area of the heating body 121 is suspended from the first communication hole 1221 . In one embodiment, the non-atomization area of the heating element 121 is disposed in the installation cavity 1221a, and the atomization area of the heating element 121 is suspended in the first communication hole 1221 to receive the aerosol-generating substrate and atomize to generate the aerosol. It can be understood that the atomization area of the heating element 121 is an area capable of heating the atomized aerosol-generating substrate to generate aerosol, and the non-atomizing area of the heating element 121 is an area other than the atomization area.

In this embodiment, an annular groove is provided on the hole wall of the first communication hole 1221, the annular groove forms the installation cavity 1221a, and the annular groove communicates with the insertion port 1222, or the insertion port 1222 is disposed in the annular groove. on the bottom wall. Optionally, the annular groove is arranged on the midline in the thickness direction of the base 122, so that the heating element 121 is arranged on the midline in the thickness direction of the base 122, so that the upper and lower sides of the heating element 121 have the same reinforcing effect of the base 122.

In other embodiments, since the insertion port 1222 is provided on the side wall of the base 122, the insertion port 1222 communicates with the first communication hole 1221, that is, the hole wall of the first communication hole 1221 with the thickness of the insertion port 1222 includes the first communication hole 1221. One side a, the second side b and the third side c, the first side a and the third side c are arranged oppositely, and the second side b connects the first side a and the third side c. There are grooves on both the first surface a and the third surface c. The grooves form the installation cavity 1221a. 121 is installed and fixed (as shown in FIG. 7 , which is a schematic structural diagram of an embodiment of the installation cavity in the heating element assembly of FIG. 4 ); or, a groove is provided on the second surface b, and the groove forms an installation cavity 1221a, the heating body 121 is arranged in a fit with the first surface a and the third surface c, and the groove and the insertion port 1222 realize the installation and fixation of the heating body 121 (as shown in FIG. Structure diagram of another embodiment of the mounting cavity in the body assembly). It can be understood that the specific arrangement of the installation cavity 1221a can be designed according to requirements.

Please refer to FIG. 9 . FIG. 9 is a schematic structural diagram of an assembly manner of the heating element and the base in the heating element assembly of FIG. 3 .

The heating body 121 also includes two electrodes 1213, which are arranged on both sides of the heating element 1212, the electrodes 1213 are electrically connected to the heating element 1212, and the heating element 1212 is electrically connected to the host 2 through the electrodes 1213. Wherein, the electrodes 1213 may all be disposed in the blank area of the heating body 121, or may be at least partially disposed in the blank area of the heating body 121, as long as the continuity and stability of the electrical connection can be ensured. In this embodiment, the electrodes 1213 are exposed through the first communication holes 1221 (as shown in FIG. 9 ), so that the electrodes 1213 can be electrically connected to the host 2 without drilling holes in the base 122 . Besides, the base 122 is not provided with other holes except the first communication hole 1221 , which is beneficial to ensure the strength of the base 122 and further improve the strength of the heating element 121 .

Please refer to FIG. 10 . FIG. 10 is a schematic structural diagram of another assembling manner of the heating element and the base in the heating element assembly of FIG. 3 .

The heating body 121 also includes two electrodes 1213, which are arranged on both sides of the heating element 1212, the electrodes 1213 are electrically connected to the heating element 1212, and the heating element 1212 is electrically connected to the host 2 through the electrodes 1213. In this embodiment, the electrode 1213 is not exposed through the first communication hole 1221 (as shown in FIG. 10 ), that is, the electrode 1213 is covered by the base 122 , and a through hole 1213 a is provided at the position of the base 122 corresponding to the electrode 1213 to The electrode 1213 is exposed so that the electrode 1213 is electrically connected to the host 2 .

Referring to FIG. 3 , an annular convex rib 1225 is provided on the surface of the base 122 , and the annular convex rib 1225 is disposed around the first communication hole 1221 . Optionally, two annular ribs 1225 are provided at intervals on the surface of the base 122 . When the material of the base 122 is silicone, fluororubber and other materials that can achieve sealing, annular ribs 1225 are arranged on the surface of the base 122 to change the surface seal to line seal to reduce the risk of seal failure caused by uneven pressing.

Continuing to refer to FIG. 2 , the atomizer 1 further includes a conducting member 17 , and the conducting member 17 is fixed on the atomizing base 112 . One end of the conducting member 17 is electrically connected to the electrode 1213 of the heating element 121 , and the other end is electrically connected to the host 2 , so that the heating element 121 can work. The conducting member 17 can be a spring pin or an elastic sheet, which is in elastic contact with the electrode 1213 to avoid pressing the heating element 121 .

The nebulizer 1 also includes a sealing cap 19 . The sealing top cover 19 is arranged on the surface of the atomizing top seat 111 close to the liquid storage chamber 13, and is used to realize the sealing between the liquid storage chamber 13, the atomizing top seat 111 and the air outlet channel 14 to prevent liquid leakage. Optionally, the material of the sealing top cover 19 is silica gel.

Please refer to FIGS. 11-13 , FIG. 11 is a schematic structural diagram of the second embodiment of the heating element assembly in the atomizer provided by the present application, and FIG. 12 is another view of the second embodiment of the heating body assembly in the atomizer provided by the present application. A schematic diagram of the structure, FIG. 13 is a schematic cross-sectional view of the heating element assembly in the direction B-B in FIG. 12 .

The difference between the heating element assembly 12 provided in FIGS. 11 and 12 and the heating element assembly 12 provided in FIG. 4 is that the structure of the base 122 is different, and the base 122 adopts a split structure and is assembled together during use. The structure of the heating element 121 and the material of the base 122 in the heating element assembly 12 provided in FIGS. 11 and 12 are the same as the structure of the heating element 121 and the material of the base 122 in the heating element assembly 12 provided in FIG. Repeat.

In the second embodiment of the heating element assembly 12, the base 122 includes a first sub-base 1223 and a second sub-base 1224; the first sub-base 1223 and the second sub-base 1224 cooperate to form a first communication hole 1221 And the installation cavity 1221a, the heating element 121 is arranged in the installation cavity 1221a.

The first sub-base 1223 is provided with a first connection structure (not shown), the second sub-base 1224 is provided with a second connection structure (not shown), the first connection structure and the second connection structure are arranged in cooperation, The first sub-base 1223 and the second sub-base 1224 are detachably connected through the first connection structure and the second connection structure. Optionally, one of the first connection structure and the second connection structure is a hook, and the other is a slot. Optionally, one of the first connection structure and the second connection structure is a fixing hole, and the other is a fixing column. Optionally, both the first connection structure and the second connection structure are magnetic attraction parts.

In one embodiment, as shown in FIG. 11 , the first sub-base 1223 and the second sub-base 1224 are arranged in layers. The heating element 121 divides the first communication hole 1221 into a first sub communication hole 1221b and a second sub communication hole 1221c; the first sub communication hole 1221b is located on the first sub base 1223, and the second sub communication hole 1221c is located in the On the two sub-bases 1224; the atomizing surface of the heating element 121 is exposed through the first sub-communicating hole 1221b, and the liquid-absorbing surface of the heating element 121 is exposed through the second sub-communicating hole 1221c. A first groove (not shown) is formed on the surface of the first sub-base 1223 close to the second sub-base 1224 , the surface of the second sub-base 1224 close to the first sub-base 1223 is flat, and the first groove A mounting cavity 1221a is formed in cooperation with the surface of the second sub-base 1224 close to the first sub-base 1223; or, a second groove is formed on the surface of the second sub-base 1224 close to the first sub-base 1223 (not shown ), the surface of the first sub-base 1223 close to the second sub-base 1224 is flat, and the second groove cooperates with the surface of the first sub-base 1223 close to the second sub-base 1224 to form a mounting cavity 1221a; A first groove is formed on the surface of a sub-base 1223 close to the second sub-base 1224 , a second groove is formed on the surface of the second sub-base 1224 close to the first sub-base 1223 , the first groove and the second The grooves fit together to form a mounting cavity 1221a.

In another embodiment, as shown in FIGS. 12 and 13 , the first sub-base 1223 and the second sub-base 1224 are arranged side by side, and one end of the first sub-base 1223 close to the second sub-base 1224 is provided with a first sub-base 1223 . An opening 1223a is provided at one end of the second sub-base 1224 close to the first sub-base 1223. The first opening 1223a cooperates with the second opening 1224a to form a first communication hole 1221. A third groove 1223b is formed on the bottom wall of the first opening 1223a, and a fourth groove 1224b is formed on the bottom wall of the second opening 1224a. The third groove 1223b and the fourth groove 1224b cooperate to form an installation cavity 1221a .

Please refer to FIG. 14. FIG. 14 is a schematic structural diagram of the third embodiment of the heating element assembly in the atomizer provided by the present application.

The difference between the heating element assembly 12 provided in FIG. 14 and the heating element assembly 12 provided in FIG. 4 is that the elastic sheet 21 and the lead 22 are embedded in the base 122 . The structure of the heating element 121 and the material of the base 122 in the heating element assembly 12 provided in FIG. 14 are the same as the structure of the heating element 121 and the material of the base 122 in the heating element assembly 12 provided in FIG.

Specifically, the base 122 covers the electrodes 1213 of the heating element 121 . Two elastic pieces 21 and two leads 22 are embedded in the base 122 . The two elastic pieces 21 are respectively arranged on both sides of the first communication hole 1221 , the two leads 22 are respectively arranged on both sides of the first communication hole, and the lead 22 is arranged on the side of the elastic piece 21 away from the first communication hole 1221 . One end of the lead 22 is connected to the elastic sheet 21 , and the other end of the lead 22 is exposed to the outside of the base 122 to be electrically connected to the conducting member 17 , thereby realizing the electrical connection of the host 2 . Specifically, the elastic pieces 21 and the leads 22 can be embedded in the base 122 by injection molding. The other end of the lead 22 can be suspended or attached to the outer surface of the base 122. For example, the other end of the lead 22 extends to the surface of the base 122 on the side of the atomizing surface, so that the lead 22 can be easily connected to the host 2 thimble electrical connection. The electrodes 1213 , the elastic sheets 21 and part of the lead wires 22 are embedded in the base 122 , for example, by injection molding to prevent corrosion by the aerosol-generating matrix or aerosol.

Part of the surface of the elastic sheet 21 is exposed, so that after the heating element 121 is inserted from the insertion port 1222 , the electrode 1213 of the heating element 121 can be in contact with the exposed surface of the elastic sheet 21 . When the heating body 121 is detachably disposed in the base 122 , the electrode 1213 of the heating body 121 is electrically connected to the elastic sheet 21 .

In one embodiment, the elastic piece 21 is arranged in an annular groove (the annular groove forms the installation cavity 1211a) provided on the hole wall of the first communication hole 1221, and the elastic piece 21 is U-shaped, and both ends of the elastic piece 21 are respectively arranged in the annular groove. On the opposite sides of the groove, no matter whether the heating element 121 is inserted into the base 122 from the insertion port 1222 forward or backward, the electrode 1213 of the heating element 121 can be in contact with the elastic sheet 21 (as shown in FIG. 15 , which is a diagram of FIG. 14 is a schematic structural diagram of another embodiment of the elastic sheet in the heating element assembly).

In other embodiments, there may be no lead 22 , one end of the elastic sheet 21 is embedded in the base 122 , and the other end extends outside the base 122 for connecting the conducting member 17 . In one embodiment, the other end of the elastic sheet 21 extends to the surface of the base 122 close to the power supply assembly, so that the conducting member 17 can directly abut with the elastic sheet 21 (as shown in FIG. Structure diagram of another embodiment of the elastic sheet in the body assembly).

It can be understood that the base 122 in the heating element assembly 12 of FIG. 14 can also adopt a split structure. Specifically, refer to the setting method of the base 122 in the heating element assembly 12 provided in FIGS. 11 to 13 , which is different from FIGS. 11 to 13 . The provided heating element assembly 12 is that: the elastic sheet 21 and the lead 22 are embedded in the base 122, and the arrangement of the elastic sheet 21 and the lead 22 can be referred to the above description.

The above description is only an embodiment of the present application, and is 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 (16)

A heating element assembly, comprising: Heat-generating bodies, including sheet-like substrates; a base, the base is provided with a first communication hole; Wherein, the heating body is embedded in the base and spans the first communication hole; the heating body and the base are detachably connected. The heating element assembly according to claim 1, wherein an insertion port is provided on the side wall of the base, and the insertion port is communicated with the first communication hole; the insertion port is arranged in cooperation with the heating element , so that the heating element is arranged in the base through the insertion port. The heating element assembly according to claim 2, wherein an installation cavity is provided on the hole wall of the first communication hole, and the heating element is arranged in the installation cavity. The heating element assembly according to claim 3, wherein the installation cavity is an annular groove arranged on the hole wall of the first communication hole, the periphery of the heating element is arranged in the installation cavity, and the heating element is arranged in the installation cavity. The middle part of the heating body is suspended through the first communication hole. The heating element assembly according to claim 1, wherein the base comprises a first sub-base and a second sub-base; the first sub-base cooperates with the second sub-base to form the first sub-base a communication hole and an installation cavity, the heating element is arranged in the installation cavity; The first sub-base is provided with a first connection structure, the second sub-base is provided with a second connection structure, and the first sub-base and the second sub-base pass through the first sub-base. The connecting structure and the second connecting structure are detachably connected. The heating element assembly according to claim 5, wherein the first sub-base and the second sub-base are arranged in layers; the heating element divides the first communication hole into a first sub-communication hole and a second sub-base; a second sub-communication hole; the first sub-communication hole is located on the first sub-base, and the second sub-communication hole is located on the second sub-base. The heating element assembly according to claim 6, wherein a first groove is formed on a surface of the first sub-base close to the second sub-base, and the second sub-base is close to the first sub-base A second groove is formed on its surface, and the first groove and the second groove cooperate to form the installation cavity. The heating element assembly according to claim 5, wherein the first sub-base and the second sub-base are arranged side by side, and an end of the first sub-base close to the second sub-base is provided with a The first opening is provided with a second opening at one end of the second sub-base close to the first sub-base, and the first opening cooperates with the second opening to form the first communication hole. The heating element assembly according to claim 8, wherein a third groove is formed on the bottom wall of the first opening, a fourth groove is formed on the bottom wall of the second opening, and the third groove is formed on the bottom wall of the second opening. The groove cooperates with the fourth groove to form an installation cavity. The heating element assembly according to claim 1, wherein the heating element is disposed on a center line in the thickness direction of the base. The heating element assembly according to claim 1, wherein the sheet-like base is a dense base with a thickness of 1 mm or less; or the sheet-shaped base is a porous ceramic sheet with a thickness of 2 mm or less. The heating element assembly according to claim 11, wherein the sheet-like base comprises a liquid absorbing surface and an atomizing surface opposite to the liquid absorbing surface, and the heating element further comprises a heating element disposed on the atomizing surface element. The heating element assembly according to claim 12, wherein the sheet-shaped base is the dense base; a plurality of first micropores are provided on the sheet-shaped base, and the first micropores are formed through the suction The liquid surface and the through holes of the atomizing surface. The heating element assembly according to claim 1, wherein the material of the base is silica gel, fluororubber, plastic or resin. An atomizer, comprising a liquid storage cavity and a heating element assembly; the liquid storage cavity is used to store a liquid aerosol generation substrate, and the heating element assembly is used to atomize the aerosol generation substrate; the heating element The body assembly is the heating body assembly described in any one of claims 1-14. An electronic atomization device, comprising an atomizer and a host, wherein the atomizer is the atomizer according to claim 15, and the host controls the operation of the atomizer.

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