Patent Description:
Electronic cigarette, as an electronic product simulating a traditional cigarette, can generate aerosol, taste and feeling similar to the traditional cigarette. The electronic cigarette mainly employs an atomizer to heat and atomize an e-liquid containing nicotine salts to generate an aerosol, for a user to inhale. Therefore, the effect of the atomizer heating and atomizing the e-liquid directly affects the user experience of the electronic cigarette. Current atomizers mostly employ a heating wire or a heating body provided with a printed circuit to heat the e-liquid. However, these heating bodies have a limited atomization area, which cannot adapt to a large atomization surface, cannot generate a large amount of smoke, cannot meet the needs of some users for a large amount of smoke, and, furthermore, has a low efficiency of heating and a long time of preheating; consequently, the user needs to wait a long time before he/she can inhale, thus the user experience is not good. <CIT> relates to an atomizing head, an atomizer and an electronic cigarette.

The present disclosure mainly aims to provide an atomizer and an electronic cigarette which can adapt to a large atomization surface and have a high efficiency of heating. Compared to the prior art, such as disclosed in <CIT>, the technology of the present disclosure enhances the heating efficiency of the atomizer and reduces the time of preheating of the electronic cigarette.

In order to achieve the above aim, the technical scheme employed by the present disclosure is an atomizer according to independent claim <NUM>. Further improvement to the atomizer is recited in the dependent claims. The atomizer includes:.

Preferably, the radiation generating surface and the atomization surface are both straight planes, and the radiation generating surface is parallel to the atomization surface.

Preferably, the far-infrared radiating component extends inside the radiation generating surface, and a projection of the far-infrared radiating component on the atomization surface at least covers the atomization surface.

Preferably, the liquid storage chamber defines a liquid outlet, the liquid guide element further has a liquid absorption surface, the liquid absorption surface faces the liquid outlet, and the e-liquid inside the liquid storage chamber permeates to the atomization surface from the liquid absorption surface.

Preferably, the liquid guide element includes at least one of microporous ceramic body, porous glass, cellucotton and foam metal.

The radiating light source includes a substrate capable of being transmitted by far infrared light, the substrate is arranged spaced from the liquid guide element, the radiation generating surface is one surface of the substrate, the far-infrared radiating component is a far-infrared coating applied on the radiation generating surface, and the far-infrared coating is capable of emitting far infrared light after electrified.

The radiation generating surface is a surface on one side of the substrate away from the atomization surface, and the infrared light emitted by the far-infrared coating after the far-infrared coating is electrified passes through the substrate to radiate onto the atomization surface.

Preferably, the radiating light source further includes a conductive portion, and the conductive portion is arranged on the substrate and is in electrical connection with the far-infrared coating.

Preferably, the conductive portion is a conductive coating applied on the substrate, the conductive coating includes a positive electrode coating and a negative electrode coating, and both the positive electrode coating and the negative electrode coating are in electrical connection with the far-infrared coating.

Preferably, the conductive portion is a conductive sheet arranged on the substrate, the conductive sheet includes a positive electrode sheet and a negative electrode sheet, and both the positive electrode sheet and the negative electrode sheet are in electrical connection with the far-infrared coating.

Preferably, the atomizer further includes a heat insulation plate, wherein the heat insulation plate is arranged on one side of the radiating light source away from the atomization surface.

Preferably, one side of the heat insulation plate close to the radiation generating surface has a far-infrared reflective coating applied thereon, and the far-infrared reflective coating is configured for reflecting the far infrared light emitted by the far-infrared radiating component.

Preferably, the heat insulation plate presses against the radiating light source, one side of the heat insulation plate close to the radiation generating surface defines a groove, and the far-infrared reflective coating is disposed inside the groove.

Preferably, the housing further defines an air channel, an atomization area formed by an interval between the liquid guide element and the radiating light source forms one portion of the air channel, and the aerosol escapes from the atomization surface and is released into the atomization area.

Preferably, the air channel includes an air inlet section, an atomization area and an air outlet section that are communicated in sequence, the radiating light source and the liquid guide element are arranged spaced on two opposite sides of the atomization area, and the air outside the housing flows into the housing via the air inlet section, passes through the atomization area and then is discharged out of the housing via the air outlet section to carry away the aerosol in the atomization area.

The present disclosure further provides an electronic cigarette according to claim <NUM>, including an atomizer and a battery assembly, wherein the battery assembly is configured for supplying power to the atomizer, and the atomizer is any one described above.

According to the atomizer and the electronic cigarette provided in the present embodiment, inside the housing are provided a liquid storage chamber and an liquid guide element capable of absorbing the e-liquid in the liquid storage chamber, an far-infrared radiating component on a radiation generating surface of a radiating light source generates far infrared light to irradiate the e-liquid on the atomization surface of the liquid guide element, and then the e-liquid is heated and atomized to generate an aerosol for a use to inhale. The efficiency of far infrared heating is high, and the time of preheating of the electronic cigarette is short; in addition, the sizes of the radiation generating surface of the radiating light source and the atomization surface on the liquid guide element may be adjusted according to needs, adapting to requirements of a large atomization surface, and the generated amount of aerosol smoke can satisfy user requirements, improving user experience.

For a better understanding of the technical scheme in the embodiments of the present disclosure, accompanying drawings needed in the description of the embodiments are simply illustrated below. Obviously, the accompanying drawings described below are some embodiments of the present disclosure merely. For the ordinary skill in the field, other accompanying drawings may be obtained according to the structures shown in these accompanying drawings without creative work.

In the drawings: <NUM> represents an atomizer, <NUM> represents a housing, <NUM> represents a liquid storage chamber, <NUM> represents a liquid outlet, <NUM> represents an air channel, <NUM> represents an air inlet section, <NUM> represents an atomization area, <NUM> represents an air outlet section, <NUM> represents a liquid guide element, <NUM> represents a liquid absorption surface, <NUM> represents an atomization surface, <NUM> represents a radiating light source, <NUM> represents a substrate, <NUM> represents a radiation generating surface, <NUM> represents a far-infrared radiating component, <NUM> represents a conductive portion, <NUM> represents a conductive coating, <NUM> represents a positive electrode coating, <NUM> represents a negative electrode coating, <NUM> represents a conductive sheet, <NUM> represents a positive electrode sheet, <NUM> represents a negative electrode sheet, <NUM> represents a light source, <NUM> represents a filter sheet, <NUM> represents a lampshade, <NUM> represents a heat insulation plate, <NUM> represents a groove, <NUM> represents a notch, <NUM> represents a far-infrared reflective coating, <NUM> represents a battery assembly, and <NUM> represents an electronic cigarette.

For a better understanding of the present disclosure, a detailed description is provided below to the present disclosure in conjunction with the drawings and specific embodiments. It is to be noted that when an element is described as "fixed on"/ "fixedly connected to" another element, it may be directly on the another element, or there might be one or more intermediate elements between them. When one element is described as "connected to" another element, it may be directly connected to the another element, or there might be one or more intermediate elements between them. Terms "vertical", "horizontal", "left", "right," "inner", "outer" and similar expressions used in this description are merely for illustration.

Unless otherwise defined, all technical and scientific terms used in the description have the same meaning as those normally understood by the skill in the technical field of the present disclosure. The terms used in the description of the present disclosure are just for describing specific implementations, not to limit the present disclosure. Terms "and/or" used in the description include any and all combinations of one or more listed items.

In addition, technical features involved in different embodiments of the present disclosure described below can be combined mutually if no conflict is incurred.

In the description, the installation includes fixing or limiting one element or device to a particular position or place by means of welding, screwing, clamping, bonding and the like, the element or device can remain stationary at a specific position or place or move within a limited range, and the element or device can be or not be detached after fixed or limited to the particular position or place, which are not limited in the present disclosure.

Referring to <FIG>, the atomizer <NUM> according to the embodiment of the present disclosure includes a housing <NUM>, a liquid guide element <NUM> and a radiating light source <NUM>.

The housing <NUM> is inside hollow to form a liquid storage chamber <NUM> configured for storing an e-liquid; the capacity of the liquid storage chamber <NUM> can be designed according to the specification of products, generally preferred <NUM>-<NUM>. Of course, the liquid storage chamber <NUM> may be arranged separated from the housing, that is, detachably arranged inside the housing <NUM>, or may be integrated with the housing <NUM>.

The liquid guide element <NUM> is disposed in the housing <NUM> and has an atomization surface <NUM>, the liquid guide element <NUM> is configured for absorbing some e-liquid in the liquid storage chamber <NUM> and transferring the e-liquid to the atomization surface <NUM>; preferably, the liquid guide element <NUM> includes at least one of microporous ceramic body, porous glass, cellucotton or foam metal, so as to absorb the e-liquid in the liquid storage chamber <NUM>; the radiating light source <NUM> is arranged inside the housing <NUM> and is located on one side of the liquid guide element <NUM>, the radiating light source <NUM> is capable of emitting far infrared light which radiates onto the atomization surface <NUM> of the liquid guide element <NUM>, and the e-liquid is heated and atomized under the radiation of the far infrared light. Specifically, the radiating light source <NUM> has at least one radiation generating surface <NUM>, the atomization surface <NUM> faces the radiating light source <NUM> and the radiating light source <NUM> is arranged spaced from the atomization surface <NUM> by a set distance, the radiation generating surface <NUM> has provided thereon a far-infrared radiating component <NUM>, and the far-infrared radiating component <NUM> is configured for emitting far infrared light which at least partly radiates onto the atomization surface <NUM>, so as to heat the e-liquid near the atomization surface <NUM> to generate an aerosol.

In the above atomizer <NUM>, the radiating light source <NUM> is arranged spaced from the atomization surface <NUM>, such that the e-liquid is heated not contacting the far-infrared radiating component <NUM>, which, compared with the existing heating manner of directly contacting the e-liquid, can keep the radiating light source <NUM> clean; furthermore, as the e-liquid is heated through the radiation of far infrared light, the e-liquid aerosol can be stopped being generated immediately upon the far-infrared radiating component <NUM> stops radiating the far infrared light, which avoids the occurrence that the aerosol keeps generated after a user stops inhaling and thus affects the use experience.

Further, the radiation generating surface <NUM> and the atomization surface <NUM> preferably are straight planes, and the radiation generating surface <NUM> is parallel to the atomization surface <NUM>, guaranteeing that the far infrared light emitted by the far-infrared radiating component <NUM> can accurately radiate onto the atomization surface <NUM>. Of course, in some embodiments, it is possible that the radiation generating surface <NUM> is a straight plane while the atomization surface <NUM> is a spherical surface, or the radiation generating surface <NUM> is a spherical surface while the atomization surface <NUM> is a straight plane, etc..

In the present embodiment, the far-infrared radiating component <NUM> extends inside the radiation generating surface <NUM>, and a projection of the far-infrared radiating component <NUM> on the atomization surface <NUM> at least covers the atomization surface <NUM>, such that the whole atomization surface <NUM> is irradiated by the far infrared light, the generated amount of aerosol is larger, and the requirements of user are met.

In one embodiment, referring to <FIG>, the liquid storage chamber <NUM> defines a liquid outlet <NUM> on one wall surface thereof, the liquid guide element <NUM> is arranged at the liquid outlet <NUM>, the liquid guide element <NUM> further has a liquid absorption surface <NUM>, the liquid absorption surface <NUM> faces the liquid outlet <NUM>, and the e-liquid inside the liquid storage chamber <NUM> permeates into the liquid guide element <NUM> from the liquid absorption surface <NUM> and then is carried to the atomization surface <NUM>, the far infrared light emitted by the radiating light source <NUM> radiates onto the atomization surface <NUM>, and then the e-liquid is heated and atomized under the radiation of the far infrared light, that is, generating an aerosol for a user to inhale. Preferably, the liquid absorption surface <NUM> and the atomization surface <NUM> are arranged opposite to one another on the liquid guide element <NUM>; taking the direction shown in <FIG> and <FIG> for example, if the liquid absorption surface <NUM> is an upper surface of the liquid guide element <NUM>, the atomization surface <NUM> is a lower surface of the liquid guide element <NUM>; if the liquid absorption surface <NUM> is a rear surface of the liquid guide element <NUM>, the atomization surface <NUM> is a front surface of the liquid guide element <NUM>. In the present embodiment, there is a sealing structure disposed between the liquid guide element <NUM> and the liquid outlet <NUM>, for example, a rubber sealing ring or a silicone sealing ring and the like is arranged between the liquid guide element <NUM> and a wall surface of the liquid outlet <NUM> to achieve sealing, thereby preventing the e-liquid leaking.

Referring to <FIG>, in one embodiment, the radiating light source <NUM> includes a substrate <NUM>, wherein the substrate <NUM> is made of those materials capable of being transmitted by far infrared light, for example, high-temperature resistant and transparent materials such as quartz glass, ceramic or mica; the substrate <NUM> is arranged spaced from the liquid guide element <NUM>, the radiation generating surface <NUM> is one surface of the substrate <NUM>, the far-infrared radiating component <NUM> is a far-infrared coating applied on the radiation generating surface <NUM>, and the far-infrared coating is capable of emitting far infrared light after electrified. In the present embodiment, the far-infrared coating applied on the radiation generating surface <NUM> has a uniform thickness, so as to emit far infrared lights of the same intensity to radiate onto the liquid guide element <NUM>, and the e-liquid on the liquid guide element <NUM> can be uniformly heated. The far-infrared coating preferably is a mixture of far-infrared electrothermal ink, ceramic powder and inorganic adhesive that is fully stirred and then coated on the surface of the substrate <NUM> and finally is dried and cured for certain time, and the far-infrared coating has a thickness of <NUM>-<NUM>. Of course, the far-infrared coating can also be other coating materials capable of emitting far infrared light, for example, the far-infrared coating can also be a mixture of tin tetrachloride, tin oxide, antimony trichloride, titanium tetrachloride and anhydrous copper sulfate in certain proportion that is stirred and then coated on the outer surface of the substrate <NUM>; or the far-infrared coating is one of silicon carbide ceramic layer, carbon fiber composite layer, zirconium titanium oxide ceramic layer, zirconium titanium nitride ceramic layer, zirconium titanium boride ceramic layer, zirconium titanium carbide ceramic layer, iron oxide ceramic layer, iron nitride ceramic layer, iron boride ceramic layer, iron carbide ceramic layer, rare earth oxide ceramic layer, rare earth nitride ceramic layer, rare earth boride ceramic layer, rare earth carbide ceramic layer, nickel cobalt oxide ceramic layer, nickel cobalt nitride ceramic layer, nickel cobalt boride ceramic layer, nickel cobalt carbide ceramic layer or high silicon molecular sieve ceramic layer; the far-infrared coating can also be other existing material coatings.

The above radiating light source <NUM> applies a far-infrared coating on one surface of the substrate <NUM>, and the far-infrared coating, after electrified, directly generates far infrared light, which radiates onto the atomization surface <NUM> of the liquid guide element <NUM> so that the e-liquid is under radiation and then heated and atomized to generate an aerosol; compared with the existing heating technology that a heating element is heated for irradiating a quartz tube to generate infrared light which then irradiates and heats the e-liquid, the radiating light source <NUM> is simpler in structure and higher in heating efficiency.

Further, the shape that the far-infrared coating presents on the radiation generating surface <NUM> is matched with the shape of the atomization surface <NUM> of the liquid guide element <NUM>, for example, if the atomization surface <NUM> presents a rectangle, the far-infrared coating presents a rectangle too; if the atomization surface <NUM> presents a circle, the far-infrared coating presents a circle too; if the atomization surface <NUM> presents an oval, the far-infrared coating presents an oval too; in this way, the far infrared light emitted by the radiating light source <NUM> radiates onto the atomization surface <NUM> only, which avoids the occurrence that the far infrared light emitted by the radiating light source <NUM> radiates onto other areas inside the housing <NUM> to cause the housing <NUM> to be overheated, and thus ensures the use experience of the product.

Referring to <FIG>, in the above embodiment, the radiation generating surface <NUM> is a surface on one side of the substrate <NUM> away from the atomization surface <NUM>, and the infrared light emitted by the far-infrared coating after the far-infrared coating is electrified passes through the substrate <NUM> to radiate onto the atomization surface <NUM>. The far-infrared coating is applied on a surface on one side of the substrate <NUM> away from the liquid guide element <NUM> (that is, the radiation generating surface <NUM>), and the infrared light emitted by the far-infrared coating after the far-infrared coating is electrified passes through the substrate <NUM> to radiate onto the atomization surface <NUM> of the liquid guide element <NUM> to irradiate and heat the e-liquid, which can avoid the occurrence that the e-liquid drops onto the far-infrared coating to result in an incapability of the far-infrared coating in normally emitting far infrared light which irradiates and heats the e-liquid on the liquid guide element <NUM>.

In the above embodiment, referring to <FIG>, the radiating light source <NUM> further includes a conductive portion <NUM>, and the conductive portion <NUM> is arranged on the substrate <NUM> and is in electrical connection with the far-infrared coating. The conductive portion <NUM> may be in electrical connection with an external power source to supply power to the far- infrared coating. Specifically, in one embodiment, referring to <FIG>, the conductive portion <NUM> is a conductive coating <NUM> applied on the substrate <NUM>, the conductive coating <NUM> includes a positive electrode coating <NUM> and a negative electrode coating <NUM>, and both the positive electrode coating <NUM> and the negative electrode coating <NUM> are in electrical connection with the far-infrared coating. Preferably, both the positive electrode coating <NUM> and the negative electrode coating <NUM> are applied on the radiation generating surface <NUM> and located at two opposite sides of the far-infrared coating. The conductive coating <NUM> may be a metal oxide coating, such as aluminum oxide, copper oxide, silver oxide, etc. During production and processing, the substrate <NUM> can be coated with a far-infrared coating, and the position of the conductive coating <NUM> can be first coated with a far-infrared coating and then a conductive coating, to ensure that the conductive coating <NUM> is in tight contact with the far-infrared coating, thereby by keeping the continuity of electrical connection, avoiding the conductive coating <NUM> being in poor contact with the far-infrared coating to result in an incapability of the far-infrared coating in normally emitting lights.

In another embodiment, referring to <FIG>, the conductive portion <NUM> is a conductive sheet <NUM> arranged on the substrate <NUM>, the conductive sheet <NUM> includes a positive electrode sheet <NUM> and a negative electrode sheet <NUM>, and both the positive electrode sheet <NUM> and the negative electrode sheet <NUM> are in electrical connection with the far-infrared coating. The conductive sheet <NUM> can be a copper sheet, steel sheet, etc. In the present embodiment, the conductive sheet <NUM> can be sheet like, or ring like. The ring like conductive sheet <NUM> defines a hole, so as to be sleeved on the substrate <NUM> to electrically connect to the far infrared coating. The ring like conductive sheet <NUM> can be directly stuck on the substrate <NUM>.

It is worth mentioning that the radiating light source <NUM> can also include a light source <NUM> and a filter sheet <NUM>, wherein the filter sheet <NUM> allows the far infrared light to pass through only and absorbs other lights, only the far infrared light is remained after the lights emitted by the light source <NUM> pass through the filter sheet <NUM>, and the far infrared light radiates onto the liquid guide element <NUM> to irradiate and heat the e-liquid. Specifically, the radiating light source <NUM> can also include a lampshade <NUM> which limits the direction of irradiation of the light source <NUM>, the lampshade <NUM> can make the light emitted by the light source <NUM> focused on the surface of the filter sheet <NUM>, to improve the efficiency of utilization of energy. Of course, in some other embodiments, the radiating light source <NUM> can be a quartz tube, an infrared bulb, a wire tube, etc., and it is just needed to employ a product of an appropriate size according to the structure of the atomizer <NUM>.

Referring to <FIG>, the atomizer <NUM> further includes a heat insulation plate <NUM>, wherein the heat insulation plate <NUM> is arranged on one side of the radiating light source <NUM> away from the atomization surface <NUM>. The heat insulation plate <NUM>, on one hand, can prevent the far infrared light emitted by the radiating light source <NUM> irradiating other parts inside the housing <NUM> in a direction away from the liquid guide element <NUM> and thus avoid the atomizer <NUM> being overheated locally, and, on the other hand, can function as insulation to avoid the occurrence that the heat generated by the e-liquid on the liquid guide element <NUM> under heat radiation is transferred to other parts inside the atomizer <NUM>. Further, one side of the heat insulation plate <NUM> close to the radiation generating surface <NUM> has a far-infrared reflective coating <NUM> applied thereon, and the far-infrared reflective coating <NUM> is configured for reflecting the far infrared light emitted by the far-infrared radiating component <NUM>. The far-infrared reflective coating <NUM> can reflect the infrared light emitted by the radiating light source <NUM> back to the substrate <NUM>, and then the infrared light passes through the substrate <NUM> to radiate onto the liquid guide element <NUM> to irradiate and heat the e-liquid, to further improve the efficiency of heating. Further, referring to <FIG>, the heat insulation plate <NUM> presses against the radiating light source <NUM>, one side of the heat insulation plate <NUM> close to the radiation generating surface <NUM> defines a groove <NUM>, and the far-infrared reflective coating <NUM> is disposed inside the groove <NUM>; in the present embodiment, the heat insulation plate <NUM> presses against the substrate <NUM>, and by disposing the far-infrared reflective coating <NUM> inside the groove <NUM>, the assembly thickness can be reduced and the structure is more compact; moreover, the far-infrared reflective coating <NUM> can effectively reflect the far infrared light emitted by the far-infrared coating on the substrate <NUM>.

Referring to <FIG>, the heat insulation plate <NUM> further defines a notch <NUM> on a position corresponding to the conductive coating <NUM> or conductive sheet <NUM>, wherein there are two notches <NUM>, which are defined opposite one another on two sides of the groove <NUM>. By defining the notch <NUM>, enough space can be remained for assembly, so that the conductive coating <NUM> or conductive sheet <NUM> is connected to an external power source through a lead.

In the present embodiment, the heat insulation plate <NUM> can be an inside vacuumized plate body made of stainless steel, also can be a plate body filled with an aerogel inside, wherein the aerogel can be silicon, carbon, sulfur, metal oxide and metal series of aerogel; since the aerogel has over <NUM>% volume of air in it, the heat insulation effect is very good.

Referring to <FIG>, the housing <NUM> further defines an air channel <NUM>, an atomization area <NUM> formed by an interval between the liquid guide element <NUM> and the radiating light source <NUM> forms one portion of the air channel <NUM>; the aerosol escapes from the atomization surface <NUM> and is released into the atomization area <NUM>, and then is discharged out of the atomizer <NUM> via the air channel <NUM> for a user to inhale. Specifically, the air channel <NUM> includes an air inlet section <NUM>, an atomization area <NUM> and an air outlet section <NUM> that are communicated in sequence, the radiating light source <NUM> and the liquid guide element <NUM> are arranged spaced on two opposite sides of the atomization area <NUM>, the air outside the housing <NUM> flows into the housing <NUM> via the air inlet section <NUM>, passes through the atomization area <NUM> and then is discharged out of the housing <NUM> via the air outlet section <NUM> to carry away the aerosol in the atomization area <NUM>. In the present embodiment, the air outlet section <NUM> and the atomization area <NUM> together present an L shape, the atomization surface <NUM> of the liquid guide element <NUM> is located inside the atomization area <NUM>, the far infrared light emitted by the radiating light source <NUM> goes into the atomization area <NUM> and then radiates onto the atomization surface <NUM> of the liquid guide element <NUM>, then the e-liquid on the atomization surface <NUM> is heated under radiation and atomized to generate an aerosol, which, driven by the air flowing into the air inlet section <NUM>, is discharged out of the housing <NUM> via the air outlet section <NUM> for a user to inhale.

Referring to <FIG>, the embodiment of the present disclosure further provides an electronic cigarette <NUM>, including an atomizer <NUM> and a battery assembly <NUM>, wherein the battery assembly <NUM> is configured for supplying power to the atomizer <NUM>, and the atomizer is any one described above. According to the electronic cigarette <NUM> provided in the present embodiment, inside the housing <NUM> are provided a liquid storage chamber <NUM> and an liquid guide element <NUM> capable of absorbing the e-liquid in the liquid storage chamber <NUM>, an far-infrared radiating component <NUM> on a radiation generating surface <NUM> of a radiating light source <NUM> generates far infrared light to irradiate the e-liquid on the atomization surface <NUM> of the liquid guide element <NUM>, and then the e-liquid is heated and atomized to generate an aerosol for a use to inhale. The efficiency of far infrared heating is high, and the time of preheating of the electronic cigarette <NUM> is short; in addition, the sizes of the radiation generating surface <NUM> of the radiating light source <NUM> and the atomization surface <NUM> on the liquid guide element <NUM> may be adjusted according to needs, adapting to requirements of a large atomization surface, and the generated amount of aerosol smoke can satisfy user requirements, improving user experience.

Claim 1:
An atomizer (<NUM>), comprising:
a housing (<NUM>), which is provided with a liquid storage chamber (<NUM>) configured for storing an e-liquid;
a liquid guide element (<NUM>), which is disposed in the housing (<NUM>), wherein the liquid guide element (<NUM>) has an atomization surface (<NUM>), the liquid guide element (<NUM>) is configured for absorbing some e-liquid in the liquid storage chamber (<NUM>) and is capable of transferring the e-liquid to the atomization surface (<NUM>);
and a radiating light source (<NUM>), which has at least one radiation generating surface (<NUM>), wherein the atomization surface (<NUM>) faces the radiating light source (<NUM>) and the radiating light source (<NUM>) is arranged spaced from the atomization surface (<NUM>) by a set distance to form an atomization area (<NUM>), the radiation generating surface (<NUM>) has provided thereon a far-infrared radiating component (<NUM>), and the far-infrared radiating component (<NUM>) is configured for emitting far infrared light which at least partly radiates onto the atomization surface (<NUM>), so as to heat the e-liquid near the atomization surface (<NUM>) to generate an aerosol;
characterized in that the radiating light source (<NUM>) comprises a substrate (<NUM>) capable of being transmitted by far infrared light, the substrate (<NUM>) is arranged spaced from the liquid guide element (<NUM>), the radiation generating surface (<NUM>) is one surface of the substrate (<NUM>) away from the atomization surface (<NUM>), the far-infrared radiating component (<NUM>) is a far-infrared coating applied on the radiation generating surface (<NUM>); the far infrared light emitted by the far-infrared coating (<NUM>) when being electrified passes through the substrate (<NUM>) and the atomization area (<NUM>) for heating the e-liquid near the atomization surface (<NUM>) to generate an aerosol.