CN210158014U

CN210158014U - Atomizer and electronic cigarette

Info

Publication number: CN210158014U
Application number: CN201920792824.5U
Authority: CN
Inventors: 邱伟华
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-20
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses an atomizer. The atomizer includes the shell, be equipped with stock solution chamber and induction heating element in the shell, induction heating element with the tobacco juice contact in the stock solution intracavity, induction heating element can with the tobacco juice in the stock solution intracavity adsorbs and comes and heat the atomizing. Because the non-contact induction heating mode is adopted, the heating efficiency is high, and the induction heating element arranged in the atomizer has both the liquid suction function and the heating function, the structure is simplified, the liquid guiding speed is improved, and the pumping requirement can be better met. In addition, an electronic cigarette adopting the atomizer is also provided.

Description

Atomizer and electronic cigarette

Technical Field

The utility model relates to a simulation smoking technical field especially relates to an atomizer and adopt electron cigarette of this atomizer.

Background

At present, the electronic cigarette has become a mature smoking substitute in the market, and the battery device supplies power to the heating structure in the atomizer, so that the heating structure heats the tobacco juice under the electric drive to generate smoke for a user to smoke.

The traditional atomizer mostly adopts a contact heating mode, and the loss in the heat transfer process is higher during heating. And the oil guiding speed of the atomizing core is not enough, so that the requirement of deep suction is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide an atomizer and an electronic cigarette using the atomizer.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an atomizer, the atomizer includes the shell, be equipped with stock solution chamber and induction heating element in the shell, induction heating element with the tobacco juice contact in the stock solution chamber, induction heating element can with the tobacco juice in the stock solution chamber adsorbs and comes and heat the atomizing.

Further, the induction heating element comprises a heating part and a liquid suction part which are fixedly connected, and the heating part is made of a magnetic conductive material.

Further, the heating part is of a tubular structure, and the liquid absorbing part is fixedly arranged on the inner side of the heating part.

Furthermore, the heating part and the liquid absorbing part are arranged in a stacked mode, an insulating layer is arranged between the heating part and the liquid absorbing part, a protective layer is further arranged on one side, away from the liquid absorbing part, of the heating part, the heating part is a heating layer, the thickness of the heating layer is 0.2-10 μm, the liquid absorbing part is a porous liquid absorbing base material, and the pore diameter of the porous liquid absorbing base material is 5-300 μm.

Further, the induction heating element is made of porous magnetic conductive material.

Further, the induction heating element is made of ferroelectric ceramics.

Further, the induction heating element comprises a temperature sensor for detecting a temperature of the induction heating element.

The utility model discloses the second aspect provides an electronic cigarette, include as the utility model discloses any one of the first aspect atomizer to and battery device, battery device includes electromagnetic induction heating device, electromagnetic induction heating device is used for producing alternating magnetic field after the circular telegram, induction heating element senses produce vortex and/or hysteresis loss behind the alternating magnetic field to heating tobacco juice, battery device still includes controller and battery, the controller with the battery electricity is connected.

Furthermore, one end of the battery device is provided with a receiving part, the electromagnetic induction heating device is arranged in the receiving part, one end, close to the atomizer, of the receiving part is inwards recessed to form an accommodating cavity, and at least part of the atomizer is accommodated in the accommodating cavity.

Further, the battery pack further comprises an air intake passage which is formed by a gap between an outer surface of the atomizer and an inner surface of the battery device when the atomizer is mounted on the battery device.

The utility model has the advantages that: the utility model provides an atomizer or adopt electron cigarette of this atomizer adopts non-contact's induction heating mode, and heating efficiency is high, sets up the existing imbibition function of induction heating element in the atomizer simultaneously and has the heating function again, has not only simplified the structure, has improved drain speed moreover, satisfying suction requirement that can be better.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of an electronic cigarette according to the present invention;

figure 2 is a schematic diagram of an atomizer of the electronic cigarette shown in figure 1;

figure 3 is a schematic structural diagram of a battery device of the electronic cigarette shown in figure 1;

FIG. 4 is a schematic structural view of the induction heating element shown in FIG. 1;

FIG. 5 is a schematic view of a heat generating portion of the induction heating element shown in FIG. 1;

FIG. 6 is a schematic structural diagram of an induction heating element according to a second embodiment;

FIG. 7 is another schematic structural view of an induction heating element according to the second embodiment; and

fig. 8 is a schematic structural diagram of an induction heating element according to a third embodiment.

The names and the numbers of the parts in the figure are respectively as follows:

battery device 20 of electronic cigarette 100 atomizer 10

Induction heating element

12, 200, 300 atomizing chamber 13 mouthpiece 14

Controller 23 of liquid injection hole 112 of temperature sensor 16

Third electrical connection 25 liquid storage chamber 111 of induction coil 22

Fourth electrical connection 26 battery 24 housing 11

First electrical connector 17 battery housing 21 smoke exhaust passage 15

Second electric connector 18 liquid suction part 122 heating part 121

Main body 310 electrical contact connection 320 notch 330

Heating layer 210 of porous liquid absorption base material 220 of air inlet hole 19

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

The heat generation mechanism of induction heating is mainly three, which are joule loss heating, dielectric loss heating and hysteresis loss heating, as understood by those skilled in the art, an electromagnetic induction heating system includes an electromagnetic induction heating device, which is referred to as an electromagnetic induction coil in this embodiment, and an induction heating element cooperating with the electromagnetic induction heating device. When the electromagnetic induction coil is energized, an alternating and time-varying electromagnetic field is generated, which generates eddy currents and/or hysteresis losses in the induction heating element, causing it to heat. As a result, the liquid smoke delivered from the reservoir to the induction heating element is heated and an aerosol is generated.

Referring to fig. 1, 2 and 3, the present invention provides an electronic cigarette 100, which includes an atomizer 10 and a battery device 20 detachably connected to the atomizer 10.

Referring to fig. 1 and 2, an atomizer 10 includes a housing 11, the induction heating element 12 mounted at one end of the housing 11, and a mouthpiece 14 disposed at the other end of the housing 11, the mouthpiece 14 is provided with a smoke outlet 141, a liquid storage cavity 111 is disposed in the housing 11, the induction heating element 12 has a liquid absorbing function and a heating function, the induction heating element 12 contacts with smoke liquid in the liquid storage cavity 111, and the induction heating element 12 can absorb the smoke liquid in the liquid storage cavity and atomize the smoke liquid by heating. It is understood that the magnetic conductive material may be selected from iron, carbon steel, and the like. In this embodiment, the atomizer 10 includes a liquid storage component, and a housing of the liquid storage component is a casing 11. In other embodiments, the housing 11 may be formed from other components.

In one embodiment, a smoke outlet channel 15 is provided in the housing 11, and one end of the smoke outlet channel 15 is communicated with the atomizing chamber 13, and the other end is communicated with the mouthpiece 14. Further, the smoke outlet channel 15 may be formed by an inner cavity of a ventilation pipe disposed in the housing 11, and after the smoke liquid is heated and atomized by the induction heating element 12 to form smoke, the smoke may pass through the smoke outlet channel 15 and the mouthpiece 14 in sequence, and finally flow out from the smoke outlet 141.

In this embodiment, the housing 11 is in a sleeve shape, the atomizing chamber 13 is disposed in the housing 11, and the induction heating element 12 can be disposed in the atomizing chamber 13, in this embodiment, the atomizing chamber 13 is formed by a wall body extending upward from the bottom of the housing 11, in other embodiments, the atomizing chamber 13 can also be formed by the lower end of the vent pipe or other forms without being limited thereto.

In the present embodiment, the housing 11 has a substantially hollow structure with an opening at the lower end. A liquid storage cavity 111 for storing tobacco liquid is arranged in the shell 11. In order to facilitate the user to fill the liquid storage cavity 111, the housing 11 is provided with a liquid filling hole 112 communicated with the liquid storage cavity 111. In the present embodiment, the pour hole 112 is provided at a side portion of the housing 11, but it is to be understood that the position at which the pour hole 112 is provided is not limited as long as the user can pour the smoke liquid into the liquid storage chamber 111 through the pour hole 112, and for example, the pour hole 112 may be provided at an upper end of the housing 11. Optionally, a smoke liquid plug for plugging the liquid injection hole 112 is arranged in the liquid injection hole 112. The liquid smoke plug is made of materials with good sealing performance, such as silica gel or rubber.

Referring to fig. 1 and 3, the battery device 20 includes a battery housing 21, and an induction heating device, a controller 23 and a battery 24 accommodated in the battery housing 21, wherein the controller 23 is electrically connected to the battery 24, in the present embodiment, the induction heating device is an electromagnetic induction coil 22, and it can be understood that the battery device 20 is further provided with an electromagnetic induction circuit to enable the battery device 20 to have an electromagnetic induction heating function.

In one embodiment, the controller 23 controls the electromagnetic induction circuit to generate a high frequency oscillating current that passes through the electromagnetic induction coil 22 to generate a high frequency alternating magnetic field that generates eddy currents and/or hysteresis losses when the induction heating element 12 senses a change in the magnetic field, thereby heating the liquid. Wherein "high frequency" is understood to be a frequency ranging from about 1 megahertz (MHz) to about 30 MHz.

In the present embodiment, a receiving portion 27 is provided at one end of the battery device 20 close to the atomizer 10, the electromagnetic induction coil 22 is provided in the receiving portion 27, and further, the electromagnetic induction coil 22 is provided in the receiving portion 27 in the axial direction of the battery device 20. When the atomizer 10 is inserted into the receiving portion 27, the induction heating element 12 is directly accommodated in the receiving portion 27, the structure is compact, and the magnetic field generated by the electromagnetic induction coil 22 substantially covers the induction heating element 12, so that the heating efficiency is higher.

In this embodiment, one end of the receiving portion 27 close to the atomizer 10 is open and is recessed downward to form an accommodating cavity 28, and at least a part of the atomizer 10 is accommodated in the accommodating cavity 28, optionally, the atomizer 10 and the receiving portion 27 may be detachably connected by a threaded connection, a snap connection, a magnetic connection, or the like.

Further, referring to fig. 1 and 2, the electronic cigarette 100 is further provided with an air inlet channel 113, when the atomizer 10 is mounted on the battery device 20, the air inlet channel 113 is formed by a gap between an outer surface of the atomizer 10 and an inner surface of the battery device 20, specifically, a gap is formed between an outer surface of the housing 11 of the atomizer 10 and an inner surface of the receiving portion 27, and the gap forms the air inlet channel 113. Further, the bottom of the atomizer 10 is provided with an air inlet 19, and the air inlet 19 is communicated with the atomizing chamber 13. After entering the air inlet channel 113 from the gap between the outer shell 11 and the battery shell 21, the air passes through the air inlet 19, the atomizing cavity 13, the smoke outlet channel 15, the cigarette holder 14 and the smoke outlet 141 in sequence and finally flows out of the electronic cigarette 100. In the present embodiment, the air intake 19 is arranged between the first electrical connector 17 and the second electrical connector 18, in other embodiments, the air intake 19 may also be arranged at other positions of the atomizer 10.

Example one

Referring to fig. 1, 4 and 5, the induction heating element 12 of the present embodiment is generally tubular, in the present embodiment, the induction heating element 12 is generally tubular, and in other embodiments, the induction heating element may be other shapes such as a square tube without limitation. The induction heating element 12 includes a heating portion 121 and a liquid absorbing portion 122 fixedly connected to each other, wherein the liquid absorbing portion 122 is fixedly disposed inside the heating portion 121, and may be fixed by sintering or adhesion without limitation.

In the present embodiment, the heating portion 121 is made of a magnetic conductive material, so that eddy current and/or hysteresis loss can be generated in the varying magnetic field generated by the electromagnetic induction device. It is understood that the magnetic conductive material may be selected from iron, carbon steel, and the like. Further, the heating portion 121 is made of a metal material, and further, may be made of a material such as iron or nickel, without limitation. Further, the heating part 121 includes a ventilation hole 123 formed in a hollow portion, and the smoke outlet 123 may be formed by, but not limited to, chemical etching or laser cutting. By providing the ventilation hole 123, the smoke solution absorbed by the liquid absorption part 122 is heated and atomized on the inner surface of the heating part 121 to form smoke, and then the smoke solution can be transported to the outside of the induction heating element 12 through the ventilation hole 123 for the user to smoke.

In this embodiment, the liquid absorbing part 122 is made of porous ceramic, and in other embodiments, it may be made of porous materials such as glass fiber and porous plastic.

In the present embodiment, the two ends of the liquid absorbing portion 122 extend out of the heat generating portion 121, so that when the induction heating element 12 is mounted on the atomizer 10, the heat generating portion 121 is disposed in the atomizing chamber 13, and the two ends of the liquid absorbing portion 122 can extend into the liquid storage chamber 111, thereby better contacting with the smoke liquid and improving the liquid absorbing performance.

In another embodiment, the liquid absorbing part 122 may be fixedly disposed on the outer periphery of the heat generating part 121, and in this case, the induction heating coil 22 needs to be disposed inside the heat generating part 121.

The induction heating element 12 of the present embodiment has a tubular structure, and includes a liquid absorbing portion 122 and a heating portion 121, the liquid absorbing portion 122 absorbs the liquid tobacco, and the heating portion 121 heats and atomizes the absorbed liquid tobacco to generate smoke. The induction heating element 12 can absorb liquid and generate heat, the atomization area of the tubular structure is larger, and the heating efficiency is higher during electromagnetic induction heating.

Example two

Referring to fig. 1, 6 and 7, the induction heating element 200 of the present embodiment is a layered structure, and further, the induction heating element 200 may be a flat plate, a column, a sleeve with a hollow middle, and the specific shape is not limited. Alternatively, when the induction heating element 200 is disposed in the atomizer 10, the induction heating element 200 may be laid on the bottom of the atomizer 10 or vertically disposed on the central axis of the atomizer 10, and the specific installation position and orientation thereof may be adjusted according to the structural design of the atomizer 10, which is not limited herein.

The induction heating element 200 includes a heating portion and a liquid suction portion, and the heating portion is made of a magnetic conductive material. Wherein the liquid absorbing part is a porous liquid absorbing base material 220, and the heating part is a heating layer 210. Porous liquid-absorbent base material 220 and heat generating layer 210 are stacked. The porous liquid absorption base material 220 is used for conveying the tobacco liquid in the liquid storage cavity 111 to the heating layer 210, and the heating layer 210 is used for heating and atomizing the tobacco liquid conveyed by the porous liquid absorption base material 220 into smoke for a user to suck. The heat generating layer 210 heats the smoke solution to form smoke that emanates from the porous liquid absorbent substrate 220 and/or the periphery of the heat generating layer 210, or through the heat generating layer 210.

The porous wicking substrate 220 may be selected from porous ceramics, porous glass, porous plastics, porous metals, etc., and the specific material is not limited.

The heat generating layer 210 may be a ferromagnetic material, such as iron, stainless steel, copper, aluminum, nickel-iron alloy, wherein the nickel content is 30% to 90%, or other suitable materials without limitation.

In one embodiment, heat generating layer 210 is affixed directly to porous wick substrate 220, and optionally is formed on porous wick substrate 220 by a sintered bond or by a screen printing process. In other embodiments, the heat-generating layer 210 may be mechanically connected, optionally, a bolt is disposed on the heat-generating layer 210, a screw hole is disposed on the porous liquid-absorbing base material 220, and the heat-generating layer 210 is fixed on the porous liquid-absorbing base material 220 through the cooperation of the bolt and the screw hole.

In one embodiment, the thickness of the heat generating layer 210 may be 0.2 μm to 10 μm.

In one embodiment, the pores on the porous liquid-absorbent substrate have a pore size of 5 μm to 300 μm. Further, the pore diameter of the micropores is 9 μm to 129 μm. In one embodiment, the induction heating element 200 further comprises an insulating layer 230, wherein the insulating layer 230 is sandwiched between the porous liquid-absorbing base material 220 and the heat generating layer 210, and is used for insulating the porous liquid-absorbing base material 220 from the heat generating layer 210 and preventing the porous liquid-absorbing base material 220 from being electrically connected with the heat generating layer 210 to cause short circuit. Further, the insulating layer 230 also serves as a thermal insulating layer, which can protect the porous liquid-absorbing base material 220 and prevent the heat-generating layer 210 from damaging the porous liquid-absorbing base material 220 during heating, and on the other hand, is used for reducing the energy loss caused by the heat generated by the heat-generating layer 210 being transferred to the porous liquid-absorbing base material 220. Optionally, the insulating layer 230 may be made of fiber material, glass, ceramic, plastic, rubber, insulating paint, and the like, without limitation.

In one embodiment, the heat generating layer 210 has a multi-layer structure, that is, at least two layers are included, one insulating layer 230 is disposed between two adjacent heat generating layers 210, and by providing the multi-layer heat generating layer 210, the induction heating element 200 can effectively improve the heat generating efficiency when the magnetic field changes.

In one embodiment, porous wicking substrate 220 is a porous ceramic material, wherein the porous ceramic material has a porosity of 20% to 90%. Porosity refers to the ratio of the total volume of micro-voids within a porous medium to the total volume of the porous medium. The porosity can be adjusted according to the components of the tobacco juice, for example, when the viscosity of the tobacco juice is high, the porosity is high, so that the liquid guiding effect is ensured.

In one embodiment, the induction heating element 200 further comprises a protective layer 240, the protective layer 240 is disposed on the other side of the heat generating layer 210 opposite to the porous liquid-absorbing base material 220, and the protective layer 240 covers the heat generating layer 210 for protecting the heat generating layer 210, thereby enhancing the oxidation resistance of the heat generating layer 210. The protective layer 240 may be made of aluminum alloy or other material with good oxidation resistance, and the thickness of the protective layer 240 may be 0.2 μm to 2 μm. It is understood that in one embodiment, the protective layer 240, the heat generating layer 210, and the insulating layer 230 are provided with fine through holes to facilitate the outflow of smoke.

In one embodiment, to more effectively bring the porous liquid absorbent substrate 220 into contact with the smoke, the distance D between the two side edges of the heat generating layer 210 is less than the distance D between the two side edges of the porous liquid absorbent substrate 220, and further, when the insulating layer 230 and/or the protective layer 240 are provided, the distance between the two side edges of the insulating layer 230 and/or the protective layer 240 is the same as the distance between the two side edges of the heat generating layer 210.

The induction heating element 200 of the present embodiment is a layered structure, and can absorb liquid and generate heat, and the layered structure can be tiled at one end of the atomizer 10, does not occupy too much volume, and is convenient to install.

EXAMPLE III

Referring to fig. 1 and 8, the induction heating element 300 of the present embodiment is substantially a sheet structure, is made of a porous magnetic material, has liquid guiding and heating functions, and can not only adsorb the tobacco liquid in the liquid storage cavity 111 to itself so as to store a part of the tobacco liquid, but also heat and atomize the stored tobacco liquid into smoke for a user to suck.

In one embodiment, the porous magnetically permeable material is a porous network formed of sintered metal fibers. The metal fiber can be selected from iron fiber, and can be replaced by stainless iron fiber, carbon steel fiber and other metal fiber materials.

In one embodiment, the porous magnetic material is a porous network structure formed by composite fibers, and the composite fibers can be formed by sintering metal fibers and ceramic fibers, or formed by grouting or dry pressing. Alternatively, the composite fiber may be formed by sintering metal fiber and glass fiber, or by processing other magnetic conductive fiber and non-magnetic conductive fiber.

In one embodiment, the porous magnetically permeable material is a ferroelectric ceramic that can generate heat in a changing magnetic field on the one hand, and is a porous material that can absorb liquid on the other hand. Further, the porosity of the ferroelectric ceramic is 10% to 50%, since the remanent polarization and the dielectric constant decrease with increasing porosity, and this porosity range is suitable in order to secure the balance of the atomization and liquid absorption properties.

In one embodiment, the induction heating element 300 includes a main body 310 and two electrical contact connections 320 extending outwardly from the main body 310. One of which serves as the positive contact and the other as the negative contact. It is understood that the two electrical contact connection parts 320 may be disposed at opposite ends of the body 310, or may be disposed at different positions according to the shape of the body 310, without limitation. In the present embodiment, the total resistance between the induction heating elements 300 between the electrical contact connection parts 320 is about 0.1-10 ohms. It will be appreciated that the resistance value may be specifically selected to be a certain value or range, such as 1 ohm, 0.5-0.8 ohm, taking into account the available battery voltage and the desired temperature/power dissipation characteristics of the induction heating element 300.

In one embodiment, the body of the induction heating element 300 is generally rectangular, further having a length of about 300mm and a width of about 10mm, further the thickness of the induction heating element 300 is about 0.2 mm. In this embodiment, two sidewalls of the main body 320 are recessed inward to form notches 330. The notch extends inwardly about 6mm and has a width of about 1 mm. The inwardly extending notches 330 are spaced about 5mm apart from each other on each side of the induction heating element 300, and the inwardly extending notches 330 are offset from each other by 2.5mm from each other. The result of this arrangement of the indentations 330 in the induction heating element 300 is that the current path along the induction heating element 300 is bent, so that the area per unit length along the extension of one electrical contact connection 320 to the other electrical contact connection 320 is more powerful in heat generation and more effective in atomization.

In one embodiment, the porous magnetically permeable material may be iron fiber. The weight of the iron fibers can be in the range of from 20 to 700 grams per square meter. The porosity may be greater than 80%. The thickness of the iron fibers may be in the range of 50-500 μm. The diameter of the iron fibers was about 20 μm and the average pore size (inter-fiber void size) was about 40 μm.

Referring to fig. 1, in any of the above embodiments, the induction heating element (12, 200, 300) may further include a temperature sensor 16, in this embodiment, the temperature sensor 16 is a device capable of detecting temperature, such as a thermocouple, an NTC thermistor, or the like, and the temperature sensor 16 is used for detecting the temperature of the induction heating element (12, 200, 300). The bottom of the atomizer 10 is also provided with a pair of electric connections, including a first electric connection 17 and a second electric connection 18, the first electric connection 17 and the second electric connection 18 are electrically connected with the temperature sensor 16, the top of the battery device 20 is provided with another pair of electric connections, namely a third electric connection 25 and a fourth electric connection 26, and the first electric connection 17 and the second electric connection 18 are electrically connected with the controller 23 and/or the battery 24. When the atomizer 10 is inserted into the battery device 20, the first electrical connector 17 is electrically connected to the third electrical connector 25, the second electrical connector 18 is electrically connected to the fourth electrical connector 26, and the temperature sensor 16, the controller 23 and the battery form a closed circuit. Or when the atomizer 10 is inserted into the battery device 20, the first electric connector 17 and the fourth electric connector 26 are electrically connected, and the second electric connector 18 and the third electric connector 25 are electrically connected with the temperature sensor 16, the controller 23 and the battery 24 to form a closed loop. Alternatively, the temperature sensor 16 may be electrically connected to the first and second

electrical connections

17, 18 by wires or electrode posts or other electrical connections.

The controller 23 is configured to compare the temperature sensed by the temperature sensor 16 with a pre-stored temperature threshold, and to reduce power or turn off the output when the sensed temperature is greater than the pre-stored temperature threshold. When the detected temperature is greater than the pre-stored temperature threshold, the power output may be increased until the temperature threshold is reached.

The utility model provides an atomizer 10 or adopt electron cigarette 100 of this atomizer 10 adopts the induction heating mode heating of non-contact, and heating effect is better, and induction heating element has the existing imbibition function and has the heating function simultaneously, has not only simplified the structure, has improved drain speed moreover, satisfying suction requirement that can be better.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An atomizer, characterized by: the atomizer includes the shell, be equipped with stock solution chamber and induction heating element in the shell, induction heating element with the tobacco juice contact in the stock solution intracavity, induction heating element can with the tobacco juice in the stock solution intracavity adsorbs and comes and heat the atomizing.

2. The nebulizer of claim 1, wherein: the induction heating element comprises a heating part and a liquid suction part which are fixedly connected, and the heating part is made of a magnetic conductive material.

3. A nebulizer as claimed in claim 2, wherein: the heating part is of a tubular structure, and the liquid absorbing part is fixedly arranged on the inner side of the heating part.

4. A nebulizer as claimed in claim 2, wherein: the heating part and the liquid absorbing part are arranged in a stacked mode, an insulating layer is arranged between the heating part and the liquid absorbing part, a protective layer is further arranged on one side, away from the liquid absorbing part, of the heating part, the heating part is a heating layer, the thickness of the heating layer is 0.2-10 mu m, the liquid absorbing part is a porous liquid absorbing base material, and the aperture of the porous liquid absorbing base material is 5-300 mu m.

5. The nebulizer of claim 1, wherein: the induction heating element is made of porous magnetic conduction materials.

6. The atomizer of claim 5, wherein: the induction heating element is made of ferroelectric ceramics.

7. The nebulizer of claim 1, wherein: the induction heating element includes a temperature sensor for detecting a temperature of the induction heating element.

8. An electronic cigarette, characterized in that: comprising an atomiser according to any of claims 1 to 7, and a battery device comprising an electromagnetic induction heating device for generating an alternating magnetic field upon energisation, the induction heating element inducing eddy current and/or hysteresis losses upon induction of the alternating magnetic field, thereby heating the liquid smoke, the battery device further comprising a controller and a battery, the controller being electrically connected to the battery.

9. The electronic cigarette of claim 8, wherein: one end of the battery device is provided with a receiving part, the electromagnetic induction heating device is arranged in the receiving part, one end, close to the atomizer, of the receiving part is inwards sunken to form an accommodating cavity, and at least part of the atomizer is accommodated in the accommodating cavity.

10. The electronic cigarette of claim 8, wherein: the battery pack further includes an air intake passage formed by a gap between an outer surface of the atomizer and an inner surface of the battery pack when the atomizer is mounted on the battery pack.