Electronic cigarette

Abstract

The application discloses an electronic cigarette, which comprises a cigarette and a heating device matched with the cigarette, wherein the heating device comprises a shell with a cavity for inserting the cigarette; an inductive element fixed on the shell, which interacts with the cigarette and identifies and judges the type of the cigarette; and a heating assembly fixed on the inner wall of the cavity. The electronic cigarette provided by the application can identify and judge the type of the cigarette matched with the heating device by arranging the inductive element in the heating device. The heating assembly interacts with the corresponding cigarette according to the judged type of the cigarette, and heats the corresponding cigarette by using a peripheral heating mode or a mixed mode of the peripheral heating mode and a central heating mode. The heating device can match different types of cigarettes, thus expanding the use range of the heating device and fully exerting and utilizing the heating modes of different types of cigarettes.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of electronic cigarettes, and particularly relates to an electronic cigarette. BACKGROUND

[0002] Generally, an electronic cigarette comprises a cigarette and a heating device matched with the cigarette and heating the cigarette. The common cigarette comprises a special cigarette with a magnetic component and a common cigarette without a magnetic component. The heating device matched with the cigarette usually adopts a circumferential heater to peripherally heat the cigarette or adopts a central heater to centrally heat the cigarette. The heating device can only be used with the corresponding type of cigarette one by one, and cannot meet the demand of compatible use of the common cigarette and the special cigarette.

[0003] Therefore, how the heating device matches different types of cigarettes and adopts different heating modes according to the type of the cigarette has become a technical problem to be solved in the industry. SUMMARY

[0004] The present application aims to provide an electronic cigarette to solve the technical problem of the heating device matching different types of cigarettes and adopting different heating modes according to the type of the cigarette.

[0005] In order to solve the above technical problem, the present application provides an electronic cigarette, which comprises a cigarette and a heating device matched with the cigarette, and the heating device comprises:

[0006] a shell having a cavity for inserting the cigarette;

[0007] an induction element fixed on the shell, which interacts with the cigarette and identifies and judges the type of the cigarette;

[0008] a heating assembly fixed on the inner wall of the cavity;

[0009] The heating device has a central heating mode and a peripheral heating mode. According to the type of the cigarette identified and judged by the induction element, the heating assembly interacts with the cigarette, and adopts the peripheral heating mode or the mixed mode of the peripheral heating mode and the central heating mode to heat the cigarette according to the type of the cigarette.

[0010] In the embodiment of the present application, the cigarette comprises a first type of cigarette with a magnetic component and a second type of cigarette without a magnetic component. The induction element interacts with the magnetic component in the cigarette and judges that the cigarette is the first type of cigarette, otherwise judges that the cigarette is the second type of cigarette.

[0011] In the embodiment of the present application, the heating of the first type of cigarette by the heating assembly is in a mixed mode of the peripheral heating mode and the central heating mode; and the heating of the second type of cigarette by the heating assembly is in the peripheral heating mode.

[0012] In the embodiment of the present application, the heating device further comprises an induction coil fixed on the shell and electrically connected with the power supply, and the heating assembly and the induction coil are oppositely arranged on the inner and outer sides of the shell; wherein the induction coil and the magnetic conductive part of the first type of cigarette interact to generate an alternating magnetic field and form the central heating mode; and the induction coil and the heating assembly interact to generate an alternating magnetic field and form the peripheral heating mode surrounding the periphery of the cigarette.

[0013] In the embodiment of the present application, the shell is provided with a groove for positioning the induction coil, and the heating device further comprises a magnetic shielding tube sleeved on the outer wall of the shell to shield the magnetic field effect, and the induction coil is clamped and fixed between the magnetic shielding tube and the shell.

[0014] In the embodiment of the present application, the inner wall of the cavity is provided with a receiving groove, and the heating assembly comprises a heating structure fixedly embedded in the receiving groove, and the heating structure is arranged along the circumference of the inner wall of the cavity.

[0015] In the embodiment of the present application, the heating assembly further comprises a heat equalizing structure matched with the heating structure, and the heat equalizing structure is sleeved and fixed in the cavity after the heating structure is heated to tightly contact with the heating structure.

[0016] In the embodiment of the present application, the heat equalizing structure is in the form of a sleeve, and the heating structure is annularly arranged around the heat equalizing structure.

[0017] In the embodiment of the present application, the heat equalizing structure has a higher thermal expansion coefficient than the heating structure.

[0018] In the embodiment of the present application, the heating device further comprises an upper cover and a base, and the upper cover and the base are respectively fixedly connected to the two ends of the shell.

[0019] The electronic cigarette provided in the application can recognize and judge the type of cigarette rod matched with the heating device by arranging an induction element in the heating device. The heating assembly interacts with the corresponding cigarette rod according to the judged type of cigarette rod and heats the corresponding cigarette rod by using a peripheral heating mode or a mixed mode of the peripheral heating mode and the central heating mode. In this way, the heating device can be matched with different types of cigarette rods, thereby expanding the use range of the heating device. In addition, the heating assembly adopts the corresponding heating mode, such as the peripheral heating mode or the mixed mode of the peripheral heating mode and the central heating mode, according to the type of cigarette rod recognized and judged by the induction element, so that the heating mode of different types of cigarette rods can be fully utilized. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the application, and other drawings can be obtained by the drawings provided by the person skilled in the art without creative labor.

[0021] Figure 1 The structural schematic diagram of the electronic cigarette provided in the embodiments of the application is shown in the figure.

[0022] Figure 2 The structural schematic diagram of the heating device provided in the embodiments of the application is shown in the figure.

[0023] Figure 3 The structural schematic diagram of the first type of cigarette rod provided in the embodiments of the application is shown in the figure.

[0024] Figure 4 The structural schematic diagram of the second type of cigarette rod provided in the embodiments of the application is shown in the figure.

[0025] Figure 5 The structural schematic diagram of the heating assembly provided in the embodiments of the application is shown in the figure.

[0026] The drawings illustrate: 100-cigarette rod; 110-first type of cigarette rod; 112-magnetic conductive part; 120-second type of cigarette rod; 200-heating device; 210-housing; 212-cavity; 214-receiving groove; 216-groove; 220-induction element; 230-heating assembly; 232-heating structure; 234-heat equalizing structure; 240-induction coil; 250-magnetic shielding tube; 260-fastener; 270-base; 280-upper cover; 290-sealing element. DETAILED DESCRIPTION

[0027] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] It should be noted that, in the description of the present application, it should be understood that the orientation or position relationship indicated by "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] The electronic cigarette in the embodiments of the present application comprises a cigarette 100 and a heating device 200 matched with the cigarette 100. Please refer to Figure 1 and Figure 2 , Figure 2 is Figure 1 a structural schematic view of the heating device 200. The heating device 200 comprises a shell 210, an inductive element 220 and a heating assembly 230. The shell 210 has a cavity 212 for inserting the cigarette 100. The inductive element 220 is fixed on the shell 210, and interacts with the cigarette 100 to identify and determine the type of the cigarette 100. The heating assembly 230 is fixed on the inner wall of the cavity 212. The heating device 200 has a central heating mode and a peripheral heating mode. According to the type of the cigarette 100 identified and determined by the inductive element 220, the heating assembly 230 interacts with the cigarette 100, and heats the cigarette 100 in the peripheral heating mode or in a mixed mode of the peripheral heating mode and the central heating mode according to the type of the cigarette 100.

[0030] The electronic cigarette provided in the embodiments of the present application can recognize and determine the type of the cigarette 100 matched with the heating device 200 by arranging the inductive element 220 in the heating device 200, the heating assembly 230 interacts with the corresponding cigarette 100 according to the determined type of the cigarette 100, and heats the corresponding cigarette 100 by using the peripheral heating mode or the mixed peripheral heating mode and central heating mode, so that the heating device 200 can match different types of cigarettes 100, and the use range of the heating device 200 is expanded; in addition, the heating assembly 230 adopts the corresponding heating mode, for example, the peripheral heating mode or the mixed peripheral heating mode and central heating mode, to the corresponding cigarette 100 according to the type of the cigarette 100 recognized and determined by the inductive element 220, so that the heating mode of different types of cigarettes 100 can be fully utilized.

[0031] In the embodiments, the electronic cigarette can recognize and determine the type of the cigarette 100 by arranging the inductive element 220, so as to match and adopt the heating mode suitable for the type of the cigarette 100 according to the type of the cigarette 100, so as to achieve the purpose of matching the heating device 200 with different types of cigarettes 100.

[0032] In the embodiments of the present application, the shape of the cavity 212 is matched with the shape of the cigarette 100, for example, the shape of the cavity 212 can be cylindrical.

[0033] In the embodiments of the present application, the shell 210 is made of a material with high temperature resistance and high structural strength, for example, polyphenylene sulfone resin (PPSU, full name: Polyphenylene Sulfone Resins), but is not limited thereto. Since the shell 210 is made of a material with high temperature resistance and high structural strength, when the heating assembly 230 heats the cigarette 100 inserted into the cavity 212, the heating assembly 230 is in direct contact with the shell 210 due to the fact that the heating assembly 230 is fixed to the inner wall of the cavity 212 formed by the shell 210, and the heating assembly 230 and the shell 210 form heat conduction through the contact surface, that is, the shell 210 receives the heat generated by the heating assembly 230, and the shell 210 as the main body of the electronic cigarette adopts the above-mentioned material with stable thermal performance, so that the shell 210 will not deform when receiving the heat generated by the heating assembly 230, which is beneficial to improve the safety performance. The shell 210 as the main body of the heating device 200 is made of a material with high structural strength, which constitutes the main structure of the heating device 200 and plays a role in supporting and fixing other structural components.

[0034] Please refer to Figure 3 and Figure 4In the embodiment, the cigarette 100 includes a first type of cigarette 110 having a magnetic conductive component 112 and a second type of cigarette 120 without the magnetic conductive component 112. The inductive element 220 interacts with the magnetic conductive component 112 in the cigarette 100 and determines that the cigarette 100 is the first type of cigarette 110, otherwise, the cigarette 100 is determined to be the second type of cigarette 120.

[0035] Optionally, the magnetic conductive component 112 is made of a material having magnetic properties and strong heat conduction performance, for example, stainless steel 444, but is not limited thereto.

[0036] In the embodiment, the heating assembly 230 heats the periphery of the cigarette 100 in the periphery heating mode. The periphery heating mode is achieved by arranging the heating assembly 230 around the inner wall of the cavity 212. In the embodiment, the heating assembly 230 is uniformly arranged around the cavity 212. When the cigarette 100 is inserted into the cavity 212, the heat emitted by the heating assembly 230 is transferred from the inner wall of the cavity 212 to the cigarette 100. Since the cavity 212 is shaped to fit the cigarette 100, the inner wall of the cavity 212 is in surface contact with the periphery of the cigarette 100. The heat emitted by the heating assembly 230 is conducted to the inside of the cigarette 100 through the contact surface, thereby completing the periphery heating of the cigarette 100.

[0037] In the embodiment, the heating assembly 230 heats the first type of cigarette 110 in a mixed mode of the periphery heating mode and the center heating mode, and heats the second type of cigarette 120 in the periphery heating mode. Understandably, the heating assembly 230 uses different heating modes to heat different types of cigarettes 100, which can adapt the heating device 200 to different types of cigarettes 100 and use different heating modes to heat the corresponding types of cigarettes 100.

[0038] In the embodiment, the heating device 200 further includes an inductive coil 240 fixed to the housing 210 and electrically connected to the power supply. The heating assembly 230 is arranged opposite to the inductive coil 240 on the inner and outer sides of the housing 210. The inductive coil 240 interacts with the magnetic conductive component 112 of the first type of cigarette 110 to generate an alternating magnetic field and form the center heating mode. The inductive coil 240 interacts with the heating assembly 230 to generate an alternating magnetic field and form the periphery heating mode that surrounds the periphery of the cigarette 100.

[0039] In the above embodiment, the inductive coil 240 is arranged corresponding to the position of the heating assembly 230 to provide an alternating magnetic field to the heating assembly 230 or the cigarette 100. The inductive coil 240 is arranged corresponding to the position of the heating assembly 230 so that the alternating magnetic field formed by the inductive coil 240 covers the heating assembly 230 and the cigarette 100, and the heating assembly 230 and the magnetic conductive component 112 of the first type of cigarette 110 are arranged in the alternating magnetic field.

[0040] Optionally, the inductive coil 240 can be a copper coil, but is not limited thereto.

[0041] In the embodiment of the present application, the inductive coil 240 further comprises a lead wire (not shown) connected between the inductive coil 240 and a power supply, and the lead wire is connected to a power supply device (not shown) outside the housing 210. The power supply device can provide an alternating current of a certain frequency to the inductive coil 240, and the power supply device can be a lithium battery, a charging port connected to a power line, or the like, but is not limited thereto. The inductive coil 240 is supplied with a suitable alternating current by the power supply device, so that the heating assembly 230 interacts with the inductive coil 240 to generate a heat effect.

[0042] In the above embodiment, the inductive coil 240 provides an alternating magnetic field to the first type of cigarette 110, and the magnetic conductive component 112 heats the center of the first type of cigarette 110 under the action of the alternating magnetic field to form the center heating mode. The heating principle of the center heating mode is as follows. When the inductive coil 240 is supplied with the alternating current, an alternating magnetic field is generated, and the magnetic conductive component 112 is arranged in the range of the alternating magnetic field. Under the action of the alternating magnetic field, eddy currents are generated on the surface of the magnetic conductive component 112 and a large amount of heat is released. The power density is greatly improved, and the thermal efficiency is further improved. The heat is transferred from the position of the magnetic conductive component 112 to the periphery of the cigarette 100, and the center heating of the cigarette 100 is completed.

[0043] In the above embodiment, the heating device 200 uses a mixed mode of the periphery heating mode and the center heating mode to heat the first type of cigarette 110, which includes the periphery heating of the first type of cigarette 110 by the heating assembly 230 and the center heating of the first type of cigarette 110 by the magnetic conductive component 112. By simultaneously heating the first type of cigarette 110 from multiple points in the periphery and the center, rapid heating is effectively achieved, thereby improving the thermal efficiency.

[0044] In the above embodiment, optionally, the induction coil 240 can also provide an alternating magnetic field to the heating assembly 230, and the heating assembly 230 performs peripheral heating on the cigarette 100 under the action of the alternating magnetic field. It can be foreseen that when the induction coil 240 is connected with the alternating current, the alternating magnetic field is generated, the heating assembly 230 is placed in the range of the alternating magnetic field, the eddy current is generated under the action of the alternating magnetic field and a large amount of heat is released, the eddy current heat effect of small resistance and large current releases a large amount of heat to achieve high-speed heating, and the heat emitted by the heating assembly 230 is transmitted from the inner wall of the cavity 212 to the cigarette 100. Since the cavity 212 and the cigarette 100 are shape-fitted, the inner wall of the cavity 212 and the periphery of the cigarette 100 form a surface contact, the heat emitted by the heating assembly 230 is conducted to the inside of the cigarette 100 through the contact surface, and the peripheral heating on the cigarette 100 is completed.

[0045] Optionally, the heating assembly 230 is made of a material with magnetism and strong heat conduction performance, for example, stainless steel 444, but the application is not limited thereto.

[0046] In the embodiment of the application, the shell 210 is provided with a groove 216 for positioning the induction coil 240, and the heating device 200 further comprises a magnetic shielding tube 250 sleeved on the outer wall of the shell 210 to shield the magnetic field effect, and the induction coil 240 is clamped and fixed between the magnetic shielding tube 250 and the shell 210. The groove 216 is arranged around the outer surface of the shell 210 corresponding to the heating assembly 230, and the induction coil 240 is embedded in the groove 216. It can be understood that the electronic cigarette uses the induction coil 240 and the groove 216 to cooperate with each other, so that the induction coil 240 can be better fixed and limited.

[0047] Optionally, the groove 216 is arranged in an axial spiral around the outer surface of the shell 210, the induction coil 240 is attached to the groove 216, and is arranged around the entire outer surface of the shell 210 as much as possible, so that the range of the alternating magnetic field formed after the induction coil 240 is electrified can cover the heating assembly 230 and the cigarette 100.

[0048] In the electronic cigarette described above, the magnetic shielding tube 250 is sleeved on the outer surface of the shell 210 to cover the induction coil 240. The magnetic shielding tube 250 is used to isolate the internal space of the electronic cigarette from the external electromagnetic field, specifically, the induction coil 240, the heating assembly 230 and the cavity 212 are surrounded by the magnetic shielding tube 250 to prevent them from being disturbed by the external electromagnetic field.

[0049] Optionally, the magnetic shielding tube 250 is made of a material with good sealing performance and electromagnetic shielding effect, for example, graphite nickel-plated silicon rubber, copper silver-plated silicon rubber and the like conductive rubber.

[0050] In the embodiment of the present application, the inner wall of the cavity 212 is provided with a receiving groove 214, and the heating assembly 230 comprises a heating structure 232 fixedly embedded in the receiving groove 214, and the heating structure 232 is arranged along the circumference of the inner wall of the cavity 212. The heating assembly 230 comprises at least one heating structure 232. Optionally, the heating structure 232 is embedded in the inner wall of the cavity 212 in a hollow cylindrical shape, and the heating structure 232 is in contact with the cigarette 100 by surrounding the cylindrical shape, so that the cigarette 100 can be quickly heated.

[0051] Optionally, when the heating structure 232 is manufactured, the length and width are set to form a hollow cylinder, and the length and diameter of the hollow cylinder are matched with the specifications of the target cigarette.

[0052] The heating assembly 230 can further comprise a heat equalizing structure 234, and the heating structure 232 is sleeved on the outer surface of the heat equalizing structure 234 and tightly contacts the outer surface of the heat equalizing structure 234. Please refer to Figure 5 , Figure 5 For Figure 1 the structural schematic view of the heating assembly 230. Preferably, the heating assembly 230 comprises two heating structures 232 and one heat equalizing structure 234, the heat equalizing structure 234 is formed in a hollow cylindrical shape, the two heating structures 232 are arranged in a ring shape and tightly contact the outer surface of the heat equalizing structure 234 and are uniformly spaced, the heat emitted by the heating structure 232 is uniformly transmitted to the cigarette 100 through the heat equalizing structure 234, and the heat between the heating structure 232 and the cigarette 100 is indirectly transmitted, that is, the heat equalizing structure 234 prevents the heating structure 232 from directly contacting the cigarette 100, which makes the cigarette 100 more fully roasted and the cigarette 100 more uniformly heated, and avoids the problems of over-roasting of tobacco around the cigarette 100 and high temperature burning the mouth.

[0053] Preferably, the heat equalizing structure 234 is made of a material that is not magnetically conductive and has good heat equalizing and heat conducting properties, for example, aluminum 6061, but is not limited thereto.

[0054] In this embodiment, the heat equalizing structure 234 is in a sleeve shape, the heating structure 232 is arranged in a ring shape around the circumference of the heat equalizing structure 234, the heating structure 232 and the heat equalizing structure 234 are in contact on the surrounding surface, the heat emitted by the heating structure 232 is transmitted to the heat equalizing structure 234 through the surrounding contact surface, and then is uniformly transmitted to the cigarette 100 through the heat equalizing structure 234.

[0055] In the embodiment of the present application, in order to make the heat generating structure 232 closely adhere to the heat equalizing structure 234, the following method is used for assembly: the peripheral heat generating structure 232 is preheated and then sleeved on the cylindrical heat equalizing structure 234. Due to the principle of thermal expansion and contraction, the inner diameter of the heat generating structure 232 will increase at high temperature, and will closely adhere to the heat equalizing structure 234 at room temperature.

[0056] In the embodiment of the present application, the heating device 200 further comprises a fastener 260 for fixing the induction element 220 to the heat generating assembly 230, and the fastener 260 is sleeved on the heat generating assembly 230. Preferably, the specific shape of the fastener 260 matches the shape of the heat generating assembly 230 and the shell 210. The fastener 260 covers the induction element 220 and closely adheres to the heat generating assembly 230, so as to fix the induction element 220 on the heat generating assembly 230 and realize the fastening function.

[0057] In this embodiment, the fastener 260 is a sleeve made of polytetrafluoroethylene (PTFE, full name Poly TetraFluoroethylene).

[0058] In the embodiment of the present application, the heating device 200 further comprises an upper cover 280 and a base 270, and the upper cover 280 and the base 270 are respectively fixedly connected to the two ends of the shell 210. Preferably, the shell 210 and the base 270 are fixed by screws. The upper cover 280 cooperates with the shell 210 and the base 270 to form a support body of the electronic cigarette, and the upper cover 280 and the base 270 are used for heat insulation to avoid the user being scalded by high temperature during the use of the heating device 200.

[0059] Optionally, the base 270 and the upper cover 280 are made of high-temperature-resistant materials, such as polyether ether ketone (PEEK, full name Poly Ether Ether Ketone), but are not limited thereto.

[0060] Preferably, the heating device 200 further comprises a sealing element 290, and in the embodiment of the present application, the sealing element 290 is a silica gel ring made of silica gel material and used for sealing.

[0061] The electronic cigarette provided in the embodiments of the present application identifies the second type of cigarette 120 without the magnetic conductive component 112 and the first type of cigarette 110 with the magnetic conductive component 112 in the heating device 200 by arranging the inductive element 220. For the second type of cigarette 120 without the magnetic conductive component 112 identified and judged, the heating device 200 performs circumferential heating on it by the heating assembly 230. For the first type of cigarette 110 with the magnetic conductive component 112 identified and judged, the heating device 200 performs circumferential and central mixed heating on it by the heating assembly 230 and the magnetic conductive component 112 in the first type of cigarette 110. That is, the type of the cigarette 100 is identified and judged by arranging the inductive element 220, so as to adapt different heating modes to the cigarette 100 without the magnetic conductive component 112 and the cigarette 100 with the magnetic conductive component 112, and achieve the purpose of adapting the heating device 200 to different types of cigarettes 100.

Claims

1. An electronic cigarette, characterized in that, The electronic cigarette includes a cigarette stick and a heating device adapted to the cigarette stick, the heating device comprising: A housing having a cavity for inserting the cigarette stick; A sensing element, fixed to the housing, interacts with the cigarette and identifies and determines the type of cigarette; A heating element, which is fixed to the inner wall of the cavity; The heating device has a center heating mode and a peripheral heating mode. According to the type of cigarette identified by the sensing element, the heating component interacts with the cigarette and heats the cigarette using a peripheral heating mode or a combination of the peripheral heating mode and the center heating mode, depending on the type of cigarette. The cigarette includes a first type of cigarette with a magnetic conductive component and a second type of cigarette without a magnetic conductive component. The sensing element interacts with the magnetic conductive component in the cigarette and determines that the cigarette is a first type of cigarette; otherwise, it determines that the cigarette is a second type of cigarette. The heating device further includes an induction coil fixed to the housing and electrically connected to a power source, wherein the induction coil interacts with the magnetic conductive component of the first type of cigarette to generate an alternating magnetic field and form the central heating mode.

2. The electronic cigarette according to claim 1, characterized in that, The heating element heats the first type of cigarette in a combination of peripheral heating mode and center heating mode; the heating element heats the second type of cigarette in the peripheral heating mode.

3. The electronic cigarette according to claim 1, characterized in that, The heating element and the induction coil are disposed opposite to each other on the inner and outer sides of the housing; the induction coil and the heating element interact to generate an alternating magnetic field, forming the peripheral heating mode that heats the cigarette from all sides.

4. The electronic cigarette according to claim 3, characterized in that, The housing is provided with a groove for positioning the induction coil. The heating device also includes a magnetic shielding tube sleeved on the outer wall of the housing to shield the magnetic field effect. The induction coil is clamped and fixed between the magnetic shielding tube and the housing.

5. The electronic cigarette according to any one of claims 1 to 4, characterized in that, The inner wall of the cavity is provided with a receiving groove, and the heating component includes a heating structure fixedly embedded in the receiving groove, the heating structure being arranged around the periphery of the inner wall of the cavity.

6. The electronic cigarette according to claim 5, characterized in that, The heating component also includes a heat-equalizing structure that cooperates with the heating structure. After the heating structure is heated, the heat-equalizing structure is fitted into and fixed in the cavity to make close contact with the heating structure.

7. The electronic cigarette according to claim 6, characterized in that, The heat dissipation structure is sleeve-shaped, and the heating structure is arranged around the periphery of the heat dissipation structure.

8. The electronic cigarette according to claim 6, characterized in that, The coefficient of thermal expansion of the heat-spreading structure is higher than that of the heat-generating structure.

9. The electronic cigarette according to any one of claims 1 to 4, characterized in that, The heating device also includes an upper cover and a base, which are respectively fixedly connected to both ends of the housing.

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