WO2022262374A1

WO2022262374A1 - Heating core, atomizer and e-cigarette

Info

Publication number: WO2022262374A1
Application number: PCT/CN2022/085331
Authority: WO
Inventors: 刘团芳
Original assignee: 深圳易佳特科技有限公司
Priority date: 2021-06-19
Filing date: 2022-04-06
Publication date: 2022-12-22

Abstract

A heating core, an atomizer and an e-cigarette. The heating core comprises a heating core main body. The heating core main body comprises: an oil guide member (6) having a flat body; and an electric heating element (5) which is attached to the oil guide member (6).

Description

Heating core, atomizer and electronic cigarette

technical field

The present disclosure relates to the technical field of electronic cigarettes, in particular to a heating core, an atomizer and an electronic cigarette.

Background technique

At present, the conventional atomizer includes a heating core, which is prone to the sound of frying oil and the phenomenon of flying oil when it is heated.

Contents of the invention

According to one aspect of the present disclosure, a heating core is provided, and the heating core includes a heating core body. The main body of the heating core includes: an oil guide, the oil guide is flat; and an electric heating element, the electric heating element is attached to the oil guide.

According to another aspect of the present disclosure, there is provided an atomizer, comprising: the heating core as described above; an oil reservoir main body for supplying oil to the heating core, and an oil storage tank formed in the oil storage main body an oil storage chamber; and an oil sealing member for sealing the oil storage chamber, the oil sealing member is installed in the oil storage chamber and a heating chamber is formed in the oil sealing member, wherein the heating core The main body is laterally installed in the heating chamber.

According to another aspect of the present disclosure, an electronic cigarette is provided, which includes the above-mentioned atomizing core or the above-mentioned atomizer.

Description of drawings

The present disclosure will be described in detail below in conjunction with the accompanying drawings, so as to make the above advantages of the present disclosure clearer. in,

FIG. 1 is an exploded view of a heating core and an atomizer including the heating core according to an embodiment of the present disclosure;

Fig. 2 is a schematic perspective view of an atomizer including a heating core according to an embodiment of the present disclosure;

3 is a schematic cross-sectional view of an atomizer including a heating core according to an embodiment of the present disclosure;

Fig. 4 is a schematic diagram of the main body of the heating core of the heating core according to the embodiment of the present disclosure; and

Fig. 5 is a diagram of the oil inlet and air flow of the atomizer including the heating core according to the embodiment of the present disclosure.

detailed description

It should be noted that a large number of technical features are recorded in the description of the application, which are distributed in various technical solutions. If it is necessary to list all possible combinations of technical features (i.e. technical solutions) of the application, the description will be too lengthy . In order to avoid this problem, the various technical features disclosed in the above disclosure of this application, the various technical features disclosed in the following various embodiments and examples, and the various technical features disclosed in the drawings can be freely combined with each other to form a Various new technical solutions (these technical solutions are all deemed to have been recorded in this specification), unless the combination of such technical features is technically infeasible. For example, feature A+B+C is disclosed in one example, and feature A+B+D+E is disclosed in another example, and features C and D are equivalent technical means that play the same role. It can be used as soon as it is used, and it is impossible to use it at the same time. Feature E can be combined with feature C technically, then the solution of A+B+C+D should not be considered as recorded because it is technically infeasible, and A+B+C The +E option should be considered documented.

The implementation of the present disclosure will be described in detail below in conjunction with the accompanying drawings and embodiments, so as to fully understand and implement the implementation process of how the present disclosure uses technical means to solve technical problems and achieve technical effects. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment in the present disclosure can be combined with each other, and the formed technical solutions are all within the protection scope of the present disclosure.

In the related technology, the heating core of the atomizer is a cylindrical cotton oil guide, which will absorb too much oil when used in the atomizer, and the electric heating element will be wrapped or wrapped on the oil guide, so that the electric heating element will be immersed in the e-liquid. When smoking, the lateral area of the cylindrical oil guide is relatively large, and the air flow cannot take away the smoke oil immersed in the electric heating element, resulting in the sound of frying oil and the phenomenon of flying oil when the electric heating element heats up.

According to an embodiment of the present disclosure, for example, in the embodiment shown in FIG. 1 , the heating core includes a heating core body, and the heating core body includes an oil guide 6 and an electric heating element 5, wherein the oil guide 6 is flat body, the electric heating element 5 is attached to the oil guide 6. The main body of the heating core is located in the atomizer for oil conduction and heat generation to atomize the e-liquid. It should be noted that by designing the oil guide 6 as a flat body, the oil guide 6 will not absorb too much oil, and the air flow can also completely flow through the oil guide 6, so that the electric heating element 5 will not heat up when heating the e-liquid. The sound of frying oil and the phenomenon of flying oil appear.

In some embodiments, the electric heating element comprises at least one of the following materials: conductive metal, conductive alloy metal. In other words, the electric heating element 5 is made of conductive metal, and/or the electric heating element 5 is made of conductive alloy metal. Among them, in this embodiment, it is preferred that the electric heating element 5 is made of conductive alloy metal, including Fe+Cr+Al alloy material or Ni+Gr alloy material, which has good oxidation resistance and durability.

In some embodiments, the flat oil guide 6 includes, but is not limited to, made of at least one of inert cotton, organic cotton, linen cotton, sanitary napkin, composite cotton, asbestos, and fiber cotton. In this embodiment, organic cotton is preferred, which has sufficient oil absorption and good oil locking effect.

In some embodiments, the electric heating element 5 is wound or covered on the outer periphery of the oil guiding member 6 . In some other embodiments, the electric heating element 5 is built in the oil guide 6 .

Embodiments of the present disclosure also provide an atomizer, including: the heating core as described in any of the above embodiments; an oil reservoir main body 2 for supplying oil to the heating core, and a useful The oil storage chamber 201 for storing oil; and the oil sealing member 3, which is used to seal the oil storage chamber 201, the oil sealing member 3 is installed in the oil storage chamber 201 and a heating chamber 303 is formed in the oil sealing member 3, and the heating core, especially The main body of the heating core is horizontally installed in the heating cavity 303 .

In some embodiments, the oil sealing member 3 has a boss body 301 extending in the axial direction. For example, as shown in FIG. One end of the boss body 301 is recessed to form a heating chamber 303, and the outer wall of the boss body 301 is provided with at least two oil inlet holes 302 for oil inlet, and the respective first ends of the at least two oil inlet holes 302 are respectively It communicates with the oil storage chamber 201, and the respective second ends correspond to the ends of the oil guiding member 6 of the main body of the heating core in the heating chamber 303 respectively. The bottom wall of the oil sealing member 3 is provided with a through hole 304 for ventilation, and the through hole 304 communicates with the heating cavity 303 . It should be noted that after the e-liquid in the oil storage chamber 201 enters from one end of the oil inlet hole 302, the two ends of the oil guide 6 of the main body of the heating core can absorb the e-liquid from the second ends of the two oil inlet holes 302 at the same time, It can speed up the oil absorption efficiency.

In some embodiments, the oil reservoir main body 2 is provided with a smoking opening 202 for smoking at the end opposite to the oil sealing member, and the oil storage main body 2 has a smoke guide extending from the smoking opening 202 to the inside of the oil storage main body The pipe 203 and the smoke guide pipe 203 communicate with the smoking port 202 , and the smoke guide pipe 203 is inserted into the heating chamber 303 and communicates with the through hole 304 provided on the bottom wall of the oil sealing member 3 . Preferably, the oil-absorbing cotton 1 for absorbing condensed smoke oil is installed in the smoke guide pipe 203 . It should be noted that the smoke generated by heating the e-liquid by the electric heating element 5 on the oil guide 6 in the heating chamber 303 can directly enter the smoke guide pipe 203 from the heating chamber 303 and be sucked from the smoking port 202 after being filtered by the oil-absorbing cotton 1 .

In some embodiments, the heating core is installed in the heating chamber 303 transversely to the smoke guide pipe 203 . Referring to Figures 1 to 4, the oil guiding member 6 of the heating core is in the shape of a flat cuboid, preferably with rounded edges along its length. The cuboid includes opposite top and bottom surfaces and four sides, one of the four sides with a smaller area faces the heating chamber 303 , as shown in FIG. 1 , one narrow side of the oil guide 6 faces the heating chamber.

In some embodiments, an oil-absorbing cotton 1 for absorbing condensed e-liquid is installed in the smoke guide pipe 203 .

In some embodiments, the other end of the main body of the oil reservoir 2 is equipped with an air guide 7 for ventilation, and one end of the air guide 7 is concaved to form an oil leakage collection space 703 for collecting oil leakage, and the oil seal The end of the member 3 away from the sealed oil storage chamber 201 is sheathed on the outer peripheral wall of the oil leakage collecting space 703 formed indented at one end of the air guiding member 7 . It should be noted that the liquid accumulation or oil leakage generated in the heating chamber 303 can flow to the oil leakage collection space 703 for storage through the through hole 304 opened on the bottom wall of the oil sealing member 3, so as to prevent the accumulation of liquid or oil leakage from being unable to be collected and treated, resulting in Flow out of the nebulizer and cause pollution.

In some embodiments, the other end of the air guiding element 7 is separately installed with a first conductive element 8 and a second conductive element 9 electrically connected to the electric heating element 5 .

In some embodiments, the other end of the air guide 7 is provided with an air intake hole 702 for air intake, the air intake hole 702 communicates with the oil leakage collection space 703 , and the oil leakage collection space 703 communicates with the through hole 304 . When smoking, the airflow can enter the through hole 304 from the air inlet 702, and after entering the heating chamber 303, it will flow through the outer peripheral wall of the heating core body, and the e-liquid immersed in the electric heating element 5 will leave the electric heating element 5 with the airflow, The sound of frying oil and the phenomenon of flying oil will not occur in the electric heating element 5 .

In some embodiments, the oil deflector 6 is covered with an oil deflector 4 for preventing flying oil, and the oil deflector 4 is provided with a plurality of air holes 401 for ventilation and smoke exhaust. It should be noted that the heating of the electric heating element 5 during smoking will cause the e-liquid immersed in the electric heating element 5 to splash, and the oil shield 4 can block the splashed e-liquid and prevent it from being sucked into the user's mouth when smoking.

Embodiments of the present disclosure also provide an electronic cigarette, including the above-mentioned heating core or the above-mentioned atomizer.

The heating core and the atomizer including the heating core according to some embodiments of the present disclosure will be described in detail below with reference to FIGS. 1-4 . The atomizer includes: oil-absorbing cotton 1, oil reservoir main body 2, oil sealing part 3, oil retaining cover 4, electric heating element 5, oil guide part 6, air guide part 7, first conductive part 8, second conductive part 9. The first magnetic attraction piece 10 , the second magnetic attraction piece 11 , and the oil sealing plug 12 . Wherein, the oil guide 6 is made of organic cotton and has a flat shape, and the electric heating element 5 is wound around the outer periphery of the oil guide 6 for generating heat to heat the smoke oil absorbed in the oil guide 6 . An oil storage cavity 201 for oil storage is formed in the oil storage main body 2 . The oil sealing member 3 is installed in the bottom of the main body 2 of the oil reservoir to seal the oil storage chamber 201. The upper end of the oil sealing member 3 is necked down and extended in the axial direction to form a boss body 301, and the top of the boss body 301 is concaved inward to form a A heating chamber 303 is provided. The oil guide 6 is installed laterally in the heating chamber 303 for oil absorption. The oil retaining cover 4 cover is arranged on the oil guiding member 6 and is used for preventing flying oil. The oil retaining cover 4 is provided with a plurality of air holes 401 for ventilating the air flow and exhausting smoke. The first end of each oil inlet hole 302 communicates with the oil storage chamber 201, and the second end of each oil inlet hole 302 corresponds to the end of the oil guide member 6 in the heating chamber 303. The two ends of the oil guiding member 6 can simultaneously absorb the smoke oil from the respective second ends of the two oil inlet holes 302, which can speed up the oil absorption efficiency. The bottom wall of the oil seal 3 is provided with a through hole 304 for ventilation, and the through hole 304 communicates with the heating chamber 303 for ventilation. The top of the main body of the oil reservoir 2 is provided with a smoking port 202 for smoking. The smoking port 202 protrudes inwardly to form a smoke guide pipe 203 for ventilation and smoke exhaust. The smoking port 202 communicates with the smoke guide pipe 203 . The opened through holes 304 communicate with each other. The oil-absorbing cotton 1 is installed in the smoke guide pipe 203 for absorbing the condensed smoke oil in the smoke guide pipe 203 . The bottom of the main body 2 of the oil reservoir is installed with an air guide 7 for ventilation. The top of the air guide 7 is concave to form an oil leakage collection space 703 for collecting oil leakage. The lower end of the oil seal 3 is sleeved on the air guide. 7. The outer peripheral wall of the oil leakage collection space 703 formed in the concave top is fixed, and the liquid accumulation or oil leakage generated in the heating chamber 303 can flow to the oil leakage collection space 703 for storage through the through hole 304 opened on the bottom wall of the oil sealing member 3 to prevent Fluid accumulation or oil leakage cannot be collected and processed, causing it to flow out of the atomizer and cause pollution. The first conductive part 8 and the second conductive part 9 are installed on the bottom of the air guide 7 in isolation from each other for electrical connection with the electric heating element 5, and the bottom of the air guide 7 is provided with an air inlet hole 702 and an oil injection hole 701 for air intake , The air intake hole 702 communicates with the oil leakage collection space 703 for ventilation, and the oil leakage collection space 703 communicates with the through hole 304 for ventilation flow. The oil injection hole 701 communicates with the oil storage chamber 201 for oil injection. The first magnetic attraction piece 10 and the second magnetic attraction piece 11 are pressed on both sides of the bottom of the air guiding piece 7 for using magnetic attraction and battery connection to supply power to the atomizer. The oil sealing plug 12 is installed in the oil injection hole 701 and is used to seal the oil injection hole 701 after filling the oil.

Fig. 5 shows a schematic diagram of oil intake and air flow in an atomizer including a heating core according to an embodiment of the present disclosure. The smoke oil in the oil storage chamber 201 enters from the oil inlet hole 302, is then absorbed by both ends of the oil guide member 6 in the heating chamber 303, and then heated and atomized by the electric heating element to generate smoke. The air flow enters the through hole 304 from the air inlet 702 at the bottom of the air guide 7, and then the smoke generated by heating the smoke oil on the oil guide 6 with the electric heating element 5 through the heating chamber 303 enters the smoke guide pipe 203, Then be sucked from mouthpiece mouth or smoking port 202.

In other embodiments of the present disclosure, the heating core, the atomizer and the electronic cigarette, the heating core made of porous material is designed into a sheet-like body, and a heating element is arranged on the sheet-like heating core to improve heat conduction and oil conduction efficiency , Solve the problem of slow oil conduction and heat conduction of the heating core.

Finally, it should be noted that the above description is only a preferred embodiment of the present disclosure, and is not intended to limit the present disclosure. The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure shall be included within the protection scope of the present disclosure.

Claims

A heating core, comprising:

The main body of the heating core, the main body of the heating core includes:

an oil guide, the oil guide is flat; and

An electric heating element, the electric heating element is attached to the oil guiding member.
The heating core according to claim 1, wherein the electric heating element comprises at least one of the following materials: conductive metal, conductive alloy metal.
The heating core according to claim 1, wherein the oil guiding member comprises at least one of the following materials: inert cotton, organic cotton, linen cotton, sanitary napkin, composite cotton, asbestos, fiber cotton.
The heating core according to claim 1, wherein the electric heating element is wound or wrapped around the outer periphery of the oil guiding member.
The heating core according to claim 1, wherein the electric heating element is built in the oil guiding member.
A nebulizer comprising:

The heating core according to any one of claims 1-5;

The main body of the oil reservoir is used to supply oil to the heating core, and an oil storage cavity for storing oil is formed in the main body of the oil reservoir; and

an oil sealing member, used to close the oil storage chamber, the oil sealing member is installed in the oil storage chamber and a heating chamber is formed in the oil sealing member,

Wherein, the heating core is horizontally installed in the heating chamber.
The atomizer according to claim 6, wherein the oil sealing member has a boss body extending in the axial direction, one end of the boss body is concaved inwardly to form the heating cavity, and the boss body The outer wall is provided with at least two oil inlet holes, one end of the at least two oil inlet holes communicates with the oil storage chamber, and the other end is opposite to the end of the oil guide member of the heating core in the heating chamber , the bottom wall of the oil seal member is provided with a through hole for ventilation, and the through hole communicates with the heating chamber.
The atomizer according to claim 6, wherein the main body of the oil reservoir is provided with a smoking port at the end opposite to the oil sealing member, and the main body of the oil reservoir has an opening extending from the smoking port to the A smoke guide tube extending inside the main body of the oil reservoir, the smoke guide tube communicates with the smoking port, the smoke guide tube is inserted into the heating chamber and connected to the through hole opened on the bottom wall of the oil sealing member connected.
The atomizer according to claim 8, wherein the heating core is installed in the heating chamber transversely to the smoke guide pipe.
The atomizer according to claim 9, wherein the oil guiding member of the heating core is in the shape of a flat cuboid, and the cuboid includes opposite top and bottom surfaces and four sides, and the area of the four sides is relatively small. One of the small sides faces the heating chamber.
The atomizer according to claim 8, wherein oil-absorbing cotton for absorbing condensed smoke oil is installed in the smoke guide pipe.
The atomizer according to claim 8, wherein the other end of the main body of the oil reservoir is installed with an air guide for ventilation, and one end of the air guide is concave to form a trap for collecting leaking oil. In the oil leakage collection space, the end of the oil sealing member that is away from the oil storage chamber is sleeved on the outer peripheral wall of the oil leakage collection space that is concavely formed at one end of the air guiding member.
The atomizer according to claim 12, wherein the other end of the air guiding member is provided with an air inlet for air intake, the air inlet communicates with the oil leakage collection space, and the leakage oil The collection space communicates with the through hole.
The atomizer according to claim 12, wherein the other end of the air guiding member is installed with a first conductive member and a second conductive member electrically connected to the electric heating element in isolation from each other.
The atomizer according to claim 6, wherein the heating core is covered with an oil deflector, and a plurality of air holes are opened on the oil deflector.
An electronic cigarette, comprising the heating core according to any one of claims 1-5 or the atomizer according to any one of claims 6-15.