CN215347033U - Heating device and electronic cigarette - Google Patents

Abstract

The application belongs to the technical field of tobacco heating, especially, relate to a heating device and electron cigarette, and this heating device includes heating element and heat-insulating part, heating element with heat-insulating part is connected. This heating device is when specifically using, use with the base is supporting, wherein thermal-insulated part is used for blocking the heat transfer route of heating element to the base, the heat that heating element sent like this, some heat goes on cigarette heating to the tobacco, another part heat is blocked back and can't transmit for the base by thermal-insulated part, the heat that so not only reduces is lost, in addition, the temperature of base has also been reduced, the heat load of base has been reduced, the high temperature resistance to the base material has been reduced, the damage of base has been avoided, the life of this heating device has been improved.

Description

Heating device and electronic cigarette

Technical Field

The application belongs to the technical field of tobacco heating, and particularly relates to a heating device and an electronic cigarette.

Background

At present, resistance heating methods adopted by low temperature tobacco (HNB) generally have two types: peripheral heating and central heating, wherein central heating is more widely used.

The central heating type heating device is generally divided into a needle type (rod type) and a sheet type, the assembly of the two types of heating devices is generally composed of a heating component and a base, wherein some heating devices are combined with a temperature sensing resistor technology for detecting the temperature of the heating component in the working state,

taking the plate-type heating device as an example for illustration, the heating component of the plate-type heating device comprises a heating assembly and a base, however, the base is mostly made of PEEK (polyetheretherketone) material or ceramic material, so when the heating assembly is electrified and heated, a considerable part of heat is transferred to the base, and two adverse phenomena are directly generated, firstly, more effective power or heat loss exists; secondly, the temperature of the base rises, the heat load of the base is large, the high requirement on the temperature resistance of the base is met, and particularly, the PEEK material hardly meets the high temperature resistance requirement.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a heating device and electron cigarette, aims at solving the heating device among the prior art and has the technical problem that power loss and base heat load are big.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a heating device comprises a heating assembly and a heat insulation component, wherein the heating assembly is connected with the heat insulation component.

Optionally, the heating assembly includes a heating portion and a fixing portion, the heating portion is connected to the fixing portion and configured to emit heat, the fixing portion is configured to be connected to a base, the heat insulation component is a heat insulation structure provided on the heating assembly, and the heat insulation structure is configured to block the heating portion from conducting heat to the fixing portion.

Optionally, the heat insulation structure includes a heat insulation groove provided at a connection of the heating part and the fixing part.

Optionally, the heat insulation groove is perpendicular to the direction from the heating part to the fixing part, and extends from one side of the heating assembly to the other side of the heating assembly; and/or the heating assembly is provided with heat insulation grooves on two opposite side surfaces of the heating part facing to the fixing part.

Optionally, the insulation slot is a corrugated slot.

Optionally, the heat insulation structure further includes a heat insulation hole, the heat insulation hole is disposed at a joint of the heating portion and the fixing portion, and/or the heat insulation hole is disposed on the fixing portion.

Optionally, the heating assembly includes a housing and a heating element, the heating element is inserted into the housing, the heat insulation structure is disposed on the housing, one end of the housing is mounted on the base and forms the fixing portion, and the other end of the housing is exposed out of the base and forms the heating portion.

Optionally, the housing includes a first half housing, a heating element and a second half housing, the heating element is clamped between the first half housing and the second half housing, and the same end of the first half housing, the same end of the heating element and the same end of the second half housing are fixed to the base.

Optionally, the heating assembly includes a substrate and a heating element, the heat insulation structure is disposed on the substrate, an insulating layer covers the surface of the substrate, one end of the substrate is mounted on the base and forms the fixing portion, the other end of the substrate is exposed out of the base and forms the heating portion, and the heating element is disposed on the surface of the insulating layer and exposed out of the base.

Another technical scheme adopted by the application is as follows: an electronic cigarette comprises the heating device.

Compared with the prior art, the heating device and the electronic cigarette provided by the application have the beneficial effects that: this heating device is when specifically using, use with the base is supporting, wherein thermal-insulated part is used for blocking the heat transfer route of heating element to the base, the heat that heating element sent like this, some heat goes on cigarette heating to the tobacco, another part heat is blocked back and can't transmit for the base by thermal-insulated part, the heat that so not only reduces is lost, in addition, the temperature of base has also been reduced, the heat load of base has been reduced, the high temperature resistance to the base material has been reduced, the damage of base has been avoided, the life of this heating device has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a heating device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a heating device according to a second embodiment of the present application.

Fig. 3 is a schematic view of an installation structure of the housing and the heat generating member in the heating apparatus shown in fig. 2.

Fig. 4 is a schematic structural view of the housing shown in fig. 3.

Fig. 5 is a schematic view of the second housing half hidden in the housing shown in fig. 4.

Fig. 6 is a schematic structural view of the first half casing shown in fig. 3.

Fig. 7 is a schematic structural view of the second housing half shown in fig. 3.

Fig. 8 is an exploded view of the heating apparatus shown in fig. 2.

Fig. 9 is a schematic structural diagram of a heating device according to a third embodiment of the present application.

Fig. 10 is an exploded view from a first perspective of the heating device shown in fig. 9.

Fig. 11 is an exploded view of the heating device shown in fig. 9 from a second perspective.

Wherein, in the figures, the respective reference numerals:

10-heating unit 11-heating part 12-fixing part

13-heat insulation structure 14-shell 15-heating element

16-substrate 20-base 21-clamping hole

31-first holder 32-second holder 40-electrode terminal

41 fourth fixing hole 131 heat insulation groove 132 heat insulation hole

141-first half-shell 142-second half-shell 151-second fixing hole

311-fixing protrusion 1411-first heating portion 1412-first fixing portion

1413, a first fixing hole 1414, a first half accommodating cavity 1421, and a second heating part

1422, a second fixing portion 1423, a third fixing hole 1424, and a second half accommodating chamber.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to fig. 1-11 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Example one

In the present embodiment, the heating device, which is mainly used in an electronic cigarette and is used for heating a tobacco product such as tobacco or tobacco oil, includes a heating assembly 10 and a heat insulation component, and the heating assembly 10 is connected with the heat insulation component.

Specifically, when the heating device is used specifically, the heating device is used in cooperation with the base 20, wherein the heat insulation part is used for blocking a heat transfer path from the heating assembly 10 to the base 20, so that heat emitted by the heating assembly 10 is heated by smoking tobacco, and the other part of heat is blocked by the heat insulation part and cannot be transferred to the base 20, so that not only is the heat reduced, but also the temperature of the base 20 is reduced, the heat load of the base 20 is reduced, the high temperature resistance of the base 20 is reduced, the damage to the base 20 is avoided, and the service life of the heating device is prolonged.

As shown in fig. 1 to 4, in the present embodiment, the heating module 10 includes a heating portion 11 and a fixing portion 12, the heating portion 11 is connected to the fixing portion 12 and is configured to emit heat, the fixing portion 12 is configured to be connected to the base 20, the heat insulating member is a heat insulating structure 13 provided on the heating module 10, and the heat insulating structure 13 is configured to block the heating portion 11 from conducting heat to the fixing portion 12.

In the heating device of the embodiment of the application, referring to fig. 4, when in use, a part of heat emitted by the heating portion 11 on the heating assembly 10 is conducted to the outside of the heating assembly 10, so as to heat the tobacco in smoking, and the other part of heat is transmitted to the fixing portion 12 through the heating portion 11, and further transmitted to the base 20 connected to the fixing portion 12, and since the heating assembly 10 is provided with the heat insulation structure 13, the heat insulation structure 13 reduces the heat transmitted to the fixing portion 12 by the heating portion 11, on one hand, the reduced heat is dissipated, and the dissipation of effective power is reduced; on the other hand, the temperature of the fixing part 12 is also reduced, the heat load of the base 20 is reduced, the high temperature resistance of the material of the base 20 is reduced, the damage of the base 20 is avoided, and the service life of the heating device is prolonged.

In this embodiment, referring to fig. 4, the heat insulation structure 13 of the heating apparatus includes a heat insulation tank 131, and the heat insulation tank 131 is provided at a connection between the heating unit 11 and the fixing unit 12. The provision of the heat insulation groove 131 reduces the heat transfer area of the heating portion 11 to the fixing portion 12, thereby reducing heat transfer, reducing heat loss, and reducing the heat load of the susceptor 20.

In this embodiment, referring to fig. 4, the heat insulation slot 131 of the heating device is perpendicular to the direction from the heating part 11 to the fixing part 12, and extends from one side of the heating element 10 to the other side of the heating element 10;

specifically, the heat insulation groove 131 is transversely opened on the housing 14 and extends from one side to the other side of the housing 14, and the heat insulation groove 131 completely and transversely blocks the heat transmission path of the heating part 11 toward the fixing part 12, thereby maximally blocking heat conduction, further reducing heat conduction, reducing heat loss, and reducing the heat load of the susceptor 20.

In the present embodiment, as shown in fig. 4, heat insulation grooves 131 are provided on both opposite side surfaces of the heating unit 10 in the direction in which the heating unit 11 faces the fixing unit 12. The heat insulation slots 131 are arranged at two opposite sides of the housing 14, and the cross-sectional dimension of the heating assembly 10 is reduced in the direction from the heating part 11 to the fixing part 12, so that the conduction area between the heating part 11 and the fixing part 12 is reduced, the heat conduction is reduced, the heat loss is reduced, and the heat load of the base 20 is reduced; specifically, the heat insulation groove 131 is a semicircular groove, and the cross-sectional size of the heating unit 10 is first reduced and then increased in the direction of the heating portion 11 toward the fixing portion 12, so that the cross-sectional size of the heating unit 10 is changed, and the cross-sectional size is smoothly changed, and the structural strength of the entire heating unit 10 is good.

In this embodiment, referring to FIG. 4, the insulating slots 131 are corrugated slots. The heat insulation groove 131 is corrugated, so that the heat insulation groove 131 has a long length and a better heat insulation effect, and further, heat conduction, heat loss and heat load of the base 20 are reduced.

In the present embodiment, referring to fig. 4, the number of the heat insulation grooves 131 is at least two or more, and the heat insulation grooves 131 are provided at intervals along the direction of the heating unit 11 toward the fixing unit 12. The greater the number of the heat insulation slots 131, the more the heating portion 11 needs to pass through the heat insulation slots 131 to conduct heat toward the fixing portion 12, the greater the difficulty of heat conduction, and the better the heat insulation effect.

In this embodiment, referring to fig. 4, the heat insulation structure 13 further includes a heat insulation hole 132, and a connection portion between the heating part 11 and the fixing part 12 is provided, and/or the fixing part 12 is provided with the heat insulation hole 132. Specifically, the heat insulation hole 132 may be disposed at a connection portion between the heating portion 11 and the fixing portion 12 or at the fixing portion 12, the heat insulation hole 132 may be disposed at a connection portion between the heating portion 11 and the fixing portion 12 or at a connection portion between the heating portion 11 and the fixing portion 12, and the heat insulation hole 132 is disposed at a connection portion between the heating portion 11 and the fixing portion 12, so as to reduce a conduction area between the heating portion 11 and the fixing portion 12, thereby achieving a purpose of reducing heat conduction, and in addition, after the heat insulation hole 132 is disposed at the fixing portion 12, a connection area between the fixing portion 12 and the base 20 is reduced, and heat conduction from the fixing portion 12 to the base 20 is also reduced, thereby greatly reducing a heat load of the base 20 and reducing a high temperature resistance of the base 20.

Further, the number of the insulation holes 132 may be two, three or more, and the larger the number of the insulation holes 132, the better the insulation effect of the insulation structure 13 is, the smaller the heat loss is, and the smaller the heat load of the base 20 is.

In this embodiment, referring to fig. 3, the heating assembly 10 includes a housing 14 and a heating element 15, the heating element 15 is inserted into the housing 14, the heat insulation structure 13 is disposed on the housing 14, one end of the housing 14 is mounted on the base 20 and forms the fixing portion 12; the other end of the housing 14 is exposed to the outside of the susceptor 20 to form a heating portion 11, and a heat insulating structure 13 is provided on the housing 14.

Specifically, when in use, the heating element 15 emits heat, a part of the heat is conducted out of the housing 14 through the heating part 11 of the housing 14, so as to heat the tobacco tar, and the other part of the heat is transmitted to the fixing part 12 through the heating part 11, so as to be transmitted to the base 20 connected with the fixing part 12, and the heat insulation structure 13 is arranged on the housing 14, so that the heat transmitted to the fixing part 12 by the heating part 11 is reduced by the heat insulation structure 13, on one hand, the reduced heat is dissipated, and the power and the heat productivity of the heating device are improved; on the other hand, the temperature of the fixing part 12 is also reduced, the heat load of the base 20 is reduced, the high temperature resistance of the material of the base 20 is reduced, the damage of the base 20 is avoided, and the service life of the heating device is prolonged. The portion of the housing 14 exposed outside the susceptor 20 is a heating portion 11, and the portion of the housing 14 located inside the susceptor 20 is a fixing portion 12.

Example two

The difference between this embodiment and the first embodiment is: referring to fig. 3 and 4, the housing 14 includes a first housing half 141, a heat generating element 15 and a second housing half 142, the heat generating element 15 is sandwiched between the first housing half 141 and the second housing half 142, and the same end portions of the first housing half 141, the heat generating element 15 and the second housing half 142 are fixed on the base 20.

During specific installation, after the first half shell 141, the heating element 15 and the second half shell 142 are stacked, the same end portions of the first half shell 141, the heating element 15 and the second half shell 142 are fixed on the base 20, so that the first half shell 141, the heating element 15 and the second half shell 142 are connected with the base 20, meanwhile, the heating element 15 is clamped between the first half shell 141 and the second half shell 142, and the heating element 15 is stably and reliably fixed.

In this embodiment, referring to fig. 6 and 7, a portion of the first half casing 141 exposed outside the susceptor 20 and a portion of the second half casing 142 exposed outside the susceptor 20 are a first heating portion 1411 and a second heating portion 1421, respectively, a portion of the first half casing 141 located inside the susceptor 20 and a portion of the second half casing 142 located inside the susceptor 20 are a first fixing portion 1412 and a second fixing portion 1422, respectively, the heat insulation groove 131 is transversely disposed at a connection portion between the first heating portion 1411 and the first fixing portion 1412, and the surface of the connection part of the first heating part 1411 and the first fixing part 1412 facing away from the heating element 15 is provided with a heat insulation slot 131, meanwhile, heat insulation grooves 131 are also provided at opposite sides of a connection portion between the first heating part 1411 and the first fixing part 1412, a heat insulation hole 132 is also provided at an intermediate position of the connection portion between the first heating part 1411 and the second heating part 1421, and a heat insulation hole 132 is also provided at an intermediate position of the first fixing part 1412; the heat insulation slots 131 are disposed at opposite sides of a connection portion between the second heating portion 1421 and the second fixing portion 1422, and the heat insulation hole 132 is further disposed at a middle position of the connection portion between the second heating portion 1421 and the second fixing portion 1422, so that the heat insulation effect of the entire housing 14 is better, and the heat insulation hole 132 and the heat insulation slot 131 of the first half housing 141 and the heat insulation hole 132 and the heat insulation slot 131 of the second half housing 142 are respectively disposed to face each other, thereby reducing a contact area between the first fixing portion 1412 and the heat generating element 15 and a contact area between the second fixing portion 1422 and the heat generating element 15, and also reducing a heat conduction area between the first half housing 141 and the second half housing 142, and reducing a heat load of the base 20.

Further, if only one heat insulation groove 131 is transversely formed on the first half casing 141, experiments have shown that the structural arrangement can effectively reduce the heat conduction efficiency between the first fixing portion 1412 and the second heating portion 1421 by about 10%; as shown in experiments, the heat insulation grooves 131 are formed on two opposite sides of the first half casing 141 and two opposite sides of the second half casing 142, and the structural arrangement can effectively reduce the heat conduction efficiency between the first heating part 1411 and the first fixing part 1412 and between the second heating part 1421 and the second fixing part 1422 by about 30%; the first fixing portion 1412 and the second fixing portion 1422 are provided with a plurality of heat insulation holes 132, which can greatly reduce the heat capacity of the first fixing portion 1412 and the second fixing portion 1422, thereby forming a high thermal resistance, and experiments have shown that the structural arrangement can effectively reduce the heat conduction efficiency between the first heating portion 1411 and the first fixing portion 1412 and between the second heating portion 1421 and the second fixing portion 1422 by about 50%, and at the same time, the first fixing portion 1412 and the second fixing portion 1422 can increase the fixing strength of the first half shell 141 and the second half shell 142 mounted in the base 20.

Further, referring to fig. 5, 6 and 7, the surfaces of the first half shell 141 opposite to the second half shell 142 are respectively provided with a first half accommodating cavity 1414 and a second half accommodating cavity 1424, when the surfaces of the first half shell 141 opposite to the second half shell 142 are butted, the first half accommodating cavity 1414 and the second half accommodating cavity 1424 together enclose to form an accommodating cavity, and the heating element 15 is inserted into the accommodating cavity, so that the heating element 15 is prevented from being exposed to contact with tobacco tar or tobacco, and the heating element 15 is prevented from generating carbon deposition and other problems; wherein, the piece 15 that generates heat is the slice, and the area of generating heat is big like this, and is high to tobacco tar or tobacco heating efficiency, and heating quality is better.

In this embodiment, the heating device further includes a first bracket 31 and a second bracket 32, a first fixing hole 1413, a second fixing hole 151, and a third fixing hole 1423 are sequentially formed in an end portion of the first half casing 141, an end portion of the heat generating member 15, and an end portion of the second half casing 142, a fixing protrusion 311 is disposed on the first bracket 31, the fixing protrusion 311 sequentially passes through the first fixing hole 1413, the second fixing hole 151, and the third fixing hole 1423, and then is fixedly connected to the second bracket 32, and the first bracket 31 and the second bracket 32 are mounted in the base 20. Specifically, after the fixing protrusion 311 on the second bracket 32 sequentially passes through the first fixing hole 1413, the second fixing hole 151 and the third fixing hole, and is then connected to the first bracket 31, the first bracket 31 and the second bracket 32 clamp and fixedly connect the first half shell 141, the heating element 15 and the second half shell 142 into a whole, and the whole is installed in the base 20, so that the operation is simpler, the installation reliability is good, and the service life is long; meanwhile, the first fixing hole 1413 and the third fixing hole 1423 may also be used as the heat insulation hole 132, so as to reduce a contact area between the first half casing 141 and the heat generating member 15 and a contact area between the second half casing 142 and the heat generating member 15, thereby reducing heat conduction.

Further, the number of the fixing protrusions 311 on the second bracket 32 may be two, three, or more than three, the first fixing holes 1413, the second fixing holes 151, and the third fixing holes 1423 are all disposed in one-to-one correspondence with the fixing protrusions 311, the more the number of the fixing protrusions 311 is, the more stable and reliable the fixing among the first half casing 141, the heating element 15, and the second half casing 142, and the better the structural strength of the whole heating apparatus is.

In this embodiment, referring to fig. 2 and 9, the heating element 15 is a resistor, the heating device further includes an electrode terminal 40 electrically connected to an external power source, the electrode terminal 40 is provided with a fourth fixing hole 41, the fixing protrusion 311 is inserted into the fourth fixing hole 41, and the electrode terminal 40 is clamped between the first support 31 and the resistor, or between the second support 32 and the resistor. Specifically, the external power supply provides current for the resistance card, the resistance card emits heat after the current flows through the resistance card, and the electrode binding post 40 is electrically connected between the resistance card and the external power supply, so that the electrical conduction of the resistance card is realized; in addition, after the fixing protrusion 311 penetrates through the fourth fixing hole 41 of the electrode terminal 40, the electrode terminal 40 is clamped and fixed between the first support 31 and the resistance sheet or between the second support 32 and the resistance sheet, so that on one hand, the electrical conduction between the resistance sheet and the electrode terminal 40 can be realized, on the other hand, the fixing of the electrode terminal 40 can be realized without the help of other connecting parts, and the electrode terminal fixing structure is compact in structure and simple in structure.

It should be noted that the electrode terminal 40 is divided into a positive terminal and a negative terminal, and the positive terminal and the negative terminal are respectively connected between the positive electrode of the external power supply and the positive electrode of the resistor disc and between the negative electrode of the external power supply and the negative electrode of the resistor disc, so that the electrical conduction of the resistor disc is realized.

Furthermore, the base 20 is provided with an installation cavity, after the first support 31, the second support 32 and the electrode binding post 40 are inserted into the installation cavity, plastic is injected into the installation cavity, so that the first support 31, the second support 32 and the electrode binding post 40 are fixed in the installation cavity, the injection molding fixing mode is simple and reliable, the operation is simple, the connection reliability is good, in addition, the first support 31, the second support 32 and the electrode binding post 40 are filled with plastic between the base 20, the thermal conductivity of the plastic is poor, the heat conduction can be blocked, and the heat load of the base 20 is reduced. In addition, the bottom surface of the base 20 is provided with a clamping hole 21, and the end part of the electrode binding post 40 is clamped in the clamping hole 21 and is exposed out of the base 20, so as to be electrically connected with an external power supply conveniently.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

EXAMPLE III

The difference between this embodiment and the first embodiment is: referring to fig. 9, 10 and 11, the heating assembly 10 includes a substrate 16 and a heating element 15, a heat insulation structure 13 is disposed on the substrate 16, a surface of the substrate 16 is covered with an insulation layer, one end of the substrate 16 is mounted on a base 20 and forms a fixing portion 12; the other end of the substrate 16 is exposed out of the susceptor 20 to form a heating part 11, and the heat generating member 15 is disposed on the surface of the insulating layer to be exposed out of the susceptor 20. The insulating layer insulates the heat generating member 15 from the substrate 16, the heat generated from the heat generating member 15 is used for heating tobacco or tobacco tar, and the substrate 16 serves as a mounting base for the heat generating member 15. Specifically, the substrate 16 is a metal substrate 16, the insulating layer is a ceramic insulating glaze, and the heating element 15 is a resistance wire printed on the surface of the ceramic insulating glaze by a thick-die printing technology; more specifically, the heat insulation structure 13 includes both the heat insulation slot 131 and the heat insulation hole 132, the heat insulation slot 131 is disposed at the joint of the fixing portion 12 and the heating portion 11, the heating portion 11 and the joint of the heating portion 11 and the fixing portion 12 are both provided with the heat insulation hole 132, and meanwhile, the heat generating element 15 and the heat insulation structure 13 are respectively disposed at two opposite sides of the metal substrate 16, so that the heat generating element 15 can be completely attached to the surface of the insulating layer, the heat generating element 15 is stably and reliably fixed, and the heat generating effect is good. The portion of the substrate 16 exposed from the susceptor 20 is a heating unit 11, and the portion of the substrate 16 mounted in the susceptor 20 is a fixing unit 12.

It should be noted that, referring to fig. 10 and 11, the resistance wire is electrically conducted with an external power source through the electrode terminal 40 to achieve heating, and the substrate 16, the resistance wire and the electrode terminal 40 are clamped and fixed by the first bracket 31 and the second bracket 32, and then are integrally fixed in the base 20, and the specific structure of the base is the same as the fixed structure between the first half shell 141, the second half shell 142, the heating element 15 and the base 20 in the third embodiment, and is not described herein again.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

Example four

The embodiment provides an electronic cigarette, which comprises the heating device. The specific structure of the heating device refers to the above embodiments, and since the electronic cigarette adopts all technical solutions of all the above embodiments, all beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not repeated herein.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (9)

1. A heating device, characterized by: the heating device comprises a heating assembly and a heat insulation component, wherein the heating assembly is connected with the heat insulation component;

the heating assembly comprises a heating part and a fixing part, the heating part is connected with the fixing part and used for emitting heat, the fixing part is used for being connected with the base, the heat insulation component is a heat insulation structure arranged on the heating assembly, and the heat insulation structure is used for blocking the heating part from conducting heat to the fixing part.

2. The heating device according to claim 1, characterized in that: the heat insulation structure comprises a heat insulation groove, and the heat insulation groove is arranged at the joint of the heating part and the fixing part.

3. The heating device according to claim 2, characterized in that: the heat insulation groove is perpendicular to the direction from the heating part to the fixing part and extends from one side of the heating assembly to the other side of the heating assembly; and/or the heating assembly is provided with heat insulation grooves on two opposite side surfaces of the heating part facing to the fixing part.

4. The heating device according to claim 2, characterized in that: the heat insulation groove is a corrugated groove.

5. The heating device according to any one of claims 1 to 4, wherein: the heat insulation structure further comprises a heat insulation hole, the heat insulation hole is formed in the joint of the heating portion and the fixing portion, and/or the heat insulation hole is formed in the fixing portion.

6. The heating device according to any one of claims 1 to 4, wherein: the heating assembly comprises a shell and a heating piece, the heating piece is inserted into the shell, the heat insulation structure is arranged on the shell, one end of the shell is installed on the base and forms the fixing portion, and the other end of the shell is exposed out of the base and forms the heating portion.

7. The heating device according to claim 6, characterized in that: the shell comprises a first half shell, a heating element and a second half shell, the heating element is clamped between the first half shell and the second half shell, and the same end parts of the first half shell, the heating element and the second half shell are fixed on the base.

8. The heating device according to any one of claims 1 to 4, wherein: the heating assembly comprises a substrate and a heating part, the heat insulation structure is arranged on the substrate, an insulating layer covers the surface of the substrate, one end of the substrate is arranged on the base and forms the fixing part, the other end of the substrate body is exposed out of the base and forms the heating part, and the heating part is arranged on the surface of the insulating layer and is exposed out of the base.

9. An electronic cigarette, characterized in that: comprising a heating device according to any one of claims 1 to 8.

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