CN219939732U

CN219939732U - Atomizing core and electronic atomizer

Info

Publication number: CN219939732U
Application number: CN202321321159.4U
Authority: CN
Inventors: 高阳
Original assignee: Dongguan Ordovician New Material Co ltd
Current assignee: Dongguan Ordovician New Material Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-03
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses an atomization core and an electronic atomizer, wherein the atomization core comprises: a base body, a heating element and a lead wire, wherein the heating element and the lead wire are arranged on the base body; the heating element is characterized in that hole structures for the lead to penetrate are arranged on the base body and the heating element, conductive bonding parts are arranged in gaps between the lead and the hole structures, so that the lead and the heating element are electrically connected, and the lead and the base body are fixedly connected. According to the atomization core provided by the utility model, the conductive bonding part is filled in the gap between the lead and the hole structure, so that the welding procedure in the prior art is avoided, the problem of unstable connection between the lead and the heating body caused by cold welding is avoided, the connection firmness between the lead and the heating body and between the lead and the base body is effectively improved, and the use reliability of the atomization core is ensured.

Description

Atomizing core and electronic atomizer

Technical Field

The utility model relates to the field of electronic atomization, in particular to an atomization core and an electronic atomizer.

Background

At present, an atomizing core for the field of electronic atomization mainly comprises a porous ceramic matrix and a metal sheet heating body, wherein the porous ceramic matrix is used for adsorbing and storing atomized liquid, the metal sheet heating body is coupled with the porous ceramic matrix, and heat is generated under the condition of electrifying, so that the contacted atomized liquid is converted into aerosol.

In the prior art, there are two general ways of conducting current to the sheet metal heating element: the first is to push the metal thimble against the metal sheet heating element by applying a certain pressure, and the second is to weld the lead wire on the metal sheet heating element by means of laser welding.

However, in the first mode, the overall structure of the product is limited to a certain extent, and the product can not be ensured to always keep stable and good contact between the metal thimble and the sheet metal heating element in the use process; in the second mode, since the wire diameter of the wire is generally between 0.20mm and 0.40mm, and the material is generally nickel, the problem of the second mode is that the stability of the laser welding wire is insufficient, and the wire connection is not firm due to the easy occurrence of the cold joint.

Therefore, how to improve the reliability of the atomizing core is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a heating element and an electronic atomizer, which can reduce damage to leads and improve reliability.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an atomizing core, comprising:

a base body, a heating element and a lead wire, wherein the heating element and the lead wire are arranged on the base body; wherein,,

the base body and the heating body are provided with hole structures for the lead to penetrate, conductive bonding parts are arranged in gaps between the lead and the hole structures, so that the lead and the heating body are electrically connected, and the lead and the base body are fixedly connected.

Preferably, the conductive adhesive member is integrally formed with the base body, the heating element, and the lead wire.

Preferably, the conductive adhesive member is a metal adhesive.

Preferably, the dimension of the lead penetrating the hole structure is 30% -50% of the axial dimension of the matrix along the hole structure.

Preferably, the substrate comprises an oppositely arranged atomizing surface and a liquid suction surface;

the heating element is arranged on the atomization surface of the matrix;

the hole structure comprises a fixed cavity extending from the atomization surface to the liquid suction surface and a through hole which is arranged on the heating body and corresponds to the fixed cavity;

the lead wire is arranged in the through hole and the fixed cavity in a penetrating way, and the wire diameters of the lead wire are smaller than the hole diameters of the through hole and the fixed cavity so as to form the gap.

Preferably, the conductive adhesive member portion includes a filling portion provided in the gap, and an extension portion provided on a side of the heating element facing away from the atomizing surface.

Preferably, the fixing cavity is a blind hole.

Preferably, the substrate is a porous ceramic body or a porous glass body.

Preferably, the heating element is a metal sheet or an electrothermal coating which is sintered and fixed on the substrate.

The utility model also provides an electronic atomizer, which comprises the heating element.

The utility model provides an atomizing core, comprising: a base body, a heating element and a lead wire, wherein the heating element and the lead wire are arranged on the base body; the heating element is characterized in that hole structures for the lead to penetrate are arranged on the base body and the heating element, conductive bonding parts are arranged in gaps between the lead and the hole structures, so that the lead and the heating element are electrically connected, and the lead and the base body are fixedly connected. According to the atomization core provided by the utility model, the conductive bonding part is filled in the gap between the lead and the hole structure, so that the welding procedure in the prior art is avoided, the problem of unstable connection between the lead and the heating body caused by cold welding is avoided, the connection firmness between the lead and the heating body and between the lead and the base body is effectively improved, and the use reliability of the atomization core is ensured.

The electronic atomizer provided by the utility model is provided with the atomizing core, and the atomizing core has the technical effects, so the electronic atomizer provided with the atomizing core also has the corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of an atomizing core according to the present disclosure;

FIG. 2 is a schematic view of the structure of the atomized core with leads and conductive adhesive members removed in accordance with an embodiment of the present utility model;

wherein: a base 1; a heating element 2; a lead 3; a conductive adhesive member 4; a filling portion 41; an extension 42; a hole structure 5; a fixed cavity 51; through-hole 52.

Detailed Description

The core of the utility model is to provide an atomization core and an electronic atomizer, which can effectively improve the connection firmness between a lead and a heating element and between the lead and a matrix, and are reliable in use.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of an atomizing core according to the present disclosure; fig. 2 is a schematic view of the structure of the atomized core with the leads and conductive adhesive member removed in accordance with an embodiment of the present utility model.

In this embodiment, the atomizing core includes:

a base 1, a heating element 2 and a lead 3 provided on the base 1;

the electric heating device comprises a base body 1, a heating body 2, a lead 3, a hole structure 5, a conductive bonding part 4, a fixing connection between the lead 3 and the base body 1, and a conductive bonding part 4, wherein the hole structure 5 is arranged on the base body 1 and the heating body 2 for the lead 3 to penetrate through, and the gap between the lead 3 and the hole structure 5 is provided with the conductive bonding part 4 so that the lead 3 and the heating body 2 are electrically connected.

Specifically, the lead 3 and the heating element 2 are electrically connected through the conductive bonding part 4; the heating body 2 and the base body 1 are coupled and processed to realize the fixed connection of the two; thereby realizing the power supply of the lead wire 3 to the heating body 2, the heating body 2 generates heat to provide heat for the matrix 1, and realizing the atomization purpose of the atomized liquid in the matrix 1.

According to the atomization core provided by the utility model, the conductive bonding part 4 is filled in the gap between the lead 3 and the hole structure 5, so that the welding procedure in the prior art is avoided, the problem of unstable connection between the lead 3 and the heating body 2 caused by cold welding is avoided, the connection firmness between the lead 3 and the heating body 2 and between the lead 3 and the base body 1 is effectively improved, and the use reliability of the atomization core is ensured.

In some embodiments, the conductive adhesive member 4 is formed integrally with the base 1, the heating element 2, and the lead 3 by sintering. Specifically, when the atomizing core is processed, the conductive bonding part 4 can be preset at one end of the lead 3, then one end of the lead 3 provided with the conductive bonding part 4 is inserted into the hole structure 5, and then the conductive bonding part 4 is fixedly connected with the lead 3, the heating body 2 and the matrix 1 in a heating sintering mode.

In some embodiments, the conductive adhesive means 4 is a metal adhesive. Specifically, before the lead 3 is inserted into the hole structure 5, a proper amount of metal adhesive can be dipped and then inserted into the hole structure 5, and the metal adhesive fills the gap between the hole structure 5 and the lead 3; then sintering the product under a certain temperature condition, and burning out organic matters in the metal adhesive, so that the metal adhesive becomes a conductor with certain strength, thereby conducting the lead 3 and the heating body 2.

In some embodiments, the lead 3 is inserted into the hole structure 5 after being dipped in the metal adhesive, and the sintering of the substrate 1 and the sintering of the metal adhesive can be completed at one time at the same time after the substrate 1 is molded and before the substrate 1 is sintered, so that the processing efficiency is improved and the sintering process is reduced. Of course, under some special requirements, after the sintering of the substrate 1 is completed, the lead 3 dipped with the metal adhesive may be inserted into the hole structure 5, and at this time, the metal adhesive may be sintered separately to meet the requirements of different sintering processes.

In some embodiments, the dimension of the lead 3 penetrating the hole structure 5 is 30% -50% of the axial dimension of the base 1 along the hole structure 5. Specifically, by limiting the connection position between the lead 3 and the base 1, it is possible to effectively ensure that the lead 3 has sufficient supporting strength on the base 1, and prevent the lead 3 from being bent, thereby ensuring reliable use of the lead 3. Of course, the position of the lead 3 in the hole structure 5 may be set according to actual needs, and is not limited to the size range given in the present embodiment.

In some embodiments, the substrate 1 comprises oppositely disposed atomizing surfaces and a liquid suction surface;

the heating element 2 is arranged on the atomization surface of the base body 1;

the hole structure 5 comprises a fixed cavity 51 extending from the atomization surface to the liquid suction surface, and a through hole 52 which is arranged on the heating body 2 and corresponds to the fixed cavity 51;

the lead 3 is inserted into the through hole 52 and the fixing cavity 51, and the wire diameters of the lead 3 are smaller than the hole diameters of the through hole 52 and the fixing cavity 51, so that the gap is formed.

Specifically, the lead 3 penetrates through the through hole 52 of the heating body 2 and partially extends into the fixing cavity 51 of the base body 1, the fixing cavity 51 serves the purpose of fixing the lead 3, preferably, the conductive bonding part 4 covers the bottom and the inner wall of the fixing cavity 51, so that the fixing supporting effect on the lead 3 is ensured to the greatest extent, the lead 3 is prevented from being bent and deformed, and the safe and reliable use is ensured; meanwhile, the heating body can be arranged on the surface of the base body 1 or embedded into the base body 1, and the fixing cavity 51 corresponds to the position of the through hole 52, so that the lead 3 is convenient to connect the through hole 52 and the fixing cavity 51 at one time; further, the conductive adhesive member 4 is preferably a paste-like metal adhesive, and can be sufficiently filled in the gap, and the connection strength is high.

In some embodiments, the conductive adhesive member 4 includes a filling portion 41 and an extension portion 42, the filling portion 41 is disposed in the gap, and the extension portion 42 is disposed on a side of the heating element 2 facing away from the atomizing surface. By the arrangement, the contact area between the extension part 42 and the heating element 2 is large, so that the contact area between the lead 3 and the heating element 2 is expanded, and the contact area between the lead 3 and the substrate 1 can be expanded by the arrangement of the filling part 41, so that the contact area between the conductive bonding part 4 and the lead 3 and the heating element 2 respectively is effectively increased, and the connection reliability is further improved.

In some embodiments, the fixing cavity 51 is a blind hole, which can reduce the influence on the strength of the substrate 1 and can better carry the conductive adhesive component 4.

In some embodiments, the substrate 1 is a porous ceramic body or a porous glass body, and the structure and the material of the substrate 1 may refer to the prior art, and may be any material capable of meeting the use requirement, and are not limited to the materials given in the present embodiment.

In some embodiments, the heating element 2 is a metal sheet or an electrothermal coating layer sintered and fixed on the substrate 1, and the electrothermal coating layer may be an electrothermal coating layer formed by metal slurry.

In a specific embodiment, when the heating element 2 is manufactured, the through hole 52 is reserved at the position where the lead wire 3 needs to be connected, the fixing cavity 51 is formed at the position where the lead wire 3 needs to be connected when the base body 1 is formed, the heating element 2 is preset in a forming die when the base body 1 is formed, and the heating element is coupled with the base body 1 after being formed; the through hole 52 and the fixed cavity 51 together form a hole structure 5, and the aperture of the hole structure 5 is slightly larger than the wire diameter of the lead 3; then dipping the lead 3 with a proper amount of paste-like metal adhesive, and then heating and sintering, wherein the lead 3 is fixed in the fixing cavity 51 by the metal adhesive, and meanwhile, the electrical connection between the lead 3 and the heating body 2 is realized because the metal adhesive has conductivity; in this way, the lead 3 is more stable when being stressed, and the bending resistance is obviously improved; the problems that laser welding has higher requirements on position accuracy and is easy to generate cold joint in actual production in the prior art are avoided, and the quality consistency of the atomization core is higher.

In addition to the above-mentioned atomizing core, the present utility model further provides an electronic atomizer including the above-mentioned atomizing core, and other parts of the electronic atomizer are referred to in the prior art, and are not described herein.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The atomizing core provided by the present utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. An atomizing core, comprising:

2. The atomizing core of claim 1, wherein the conductive adhesive member is integrally formed with the base body, the heat generating body, and the lead wire.

3. The atomizing core of claim 1, wherein the electrically conductive bonding member is a metallic adhesive.

4. The atomizing core of claim 1, wherein the wire is threaded within the bore structure to a dimension that is 30% -50% of the axial dimension of the base along the bore structure.

5. The atomizing core of claim 1, wherein the base includes oppositely disposed atomizing surfaces and a liquid suction surface;

the heating element is arranged on the atomization surface of the matrix;

6. The atomizing core of claim 5, wherein the conductive bonding member portion includes a filling portion disposed in the gap and an extension portion disposed on a side of the heat generating body facing away from the atomizing face.

7. The atomizing core of claim 5, wherein the stationary cavity is a blind bore.

8. An atomising core according to any of the claims 1-6 characterized in that the matrix is a porous ceramic body or a porous glass body.

9. An atomizing core as set forth in any one of claims 1 to 6, wherein said heat generating body is a metal sheet or an electrothermal coating sintered and fixed to said base body.

10. An electronic atomizer comprising an atomizing core according to any one of claims 1 to 9.