CN114557484A

CN114557484A - Heating body, atomizing core and atomizer

Info

Publication number: CN114557484A
Application number: CN202210089855.0A
Authority: CN
Inventors: 黄国秀
Original assignee: Shenzhen Zhiyuan Zhichuang Technology Co ltd
Current assignee: Shenzhen Zhiyuan Zhichuang Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-31

Abstract

The application discloses heat-generating body, atomizing core and atomizer. The heat generating body includes: a heating member, a first fixing member and a second fixing member; the relative both ends of heating member are buried underground respectively in first mounting and second mounting, and the region that the heating member is located between the first mounting and the second mounting is used for contacting with predetermined drain spare to receive the atomizing liquid of drain spare conduction and heat the atomizing liquid and atomize. Can improve the speed that the atomized liquid led to the heating member through above-mentioned scheme, ensure the instantaneity that the atomized liquid formed aerial fog, improve user experience.

Description

Heating body, atomizing core and atomizer

Technical Field

The application belongs to the technical field of electronic atomization devices, and particularly relates to a heating body, an atomization core and an atomizer.

Background

Disposable electron cigarette on the market is the disposable electron cigarette of oil core separation greatly usually at present, wherein, forms the atomizing core with the heater setting on the porous body usually, through porous body contact tobacco tar, and the tobacco tar through permeate to the porous body in and with the porous body on the heater contact, and then can realize heating atomization with the tobacco tar. Such products need the user to wait for a period of time after packing into the oil storehouse atomizing core part and just can aspirate, cause the not good problem of user experience of using easily.

Disclosure of Invention

The application provides a heat-generating body, atomizing core and atomizer to solve foretell technical problem.

In order to solve the technical problem, the application adopts a technical scheme that: provided is a heat-generating body, wherein the heat-generating body includes: a heating member, a first fixing member and a second fixing member;

the two opposite ends of the heating member are buried in the first fixing member and the second fixing member respectively, and the region, between the first fixing member and the second fixing member, of the heating member is used for being in contact with a preset liquid guide member so as to receive atomized liquid conducted by the liquid guide member and heat and atomize the atomized liquid.

Optionally, the region of the heating element between the first fixing element and the second fixing element is provided with a plurality of heating sections arranged at intervals, and two opposite ends of each heating section are respectively connected with the first fixing element and the second fixing element;

wherein, it is a plurality of to generate heat the section and be the surrounding and arrange and be a plurality of it establishes to generate heat the section and encloses and form an atomizing space.

Optionally, the heating element further comprises a plurality of sub-heating sections, and two adjacent heating sections are connected through at least one sub-heating section.

Optionally, the heating element assembly further comprises a connecting piece, two opposite ends of the connecting piece are respectively connected with the first fixing piece and the second fixing piece, and part of the heating section is embedded in the connecting piece;

the first fixing piece, the connecting piece and the second fixing piece are integrally formed through sintering.

Optionally, a first through hole is formed in the first fixing piece, and the first through hole is communicated with the atomization space;

a second through hole is formed in the second fixing piece and communicated with the atomization space;

each end of the plurality of heating sections surrounds the first through hole, and each other end of the plurality of heating sections surrounds the second through hole.

In order to solve the technical problem, the other technical scheme adopted by the application is as follows: providing an atomizing core comprising: the atomizing core main body, the liquid guide piece and the heating body as described in the foregoing;

an atomization cavity is formed in the atomization core main body and used for storing atomized liquid; a liquid outlet communicated with the atomizing cavity is formed in the atomizing core main body;

the liquid guiding piece is arranged at the liquid outlet, one end of the liquid guiding piece is communicated with the atomizing cavity, and the other end of the liquid guiding piece is connected with the area, between the first fixing piece and the second fixing piece, of the heating piece;

the heat-generating body is installed in atomizing core main part and adjacent the liquid outlet sets up, just the heat-generating body with the subassembly closing cap that the drain formed the liquid outlet.

Optionally, the atomizing cartridge body comprises a first sleeve, a second sleeve, a first seal, a second seal;

the second sleeve is sleeved on the first sleeve, and two opposite ends of the second sleeve are respectively connected with the first sealing element and the second sealing element;

the second fixing piece is fixedly connected with the second sealing piece, and the first fixing piece is arranged towards the first sealing piece;

one end of the first sleeve pipe is sleeved on the first fixing piece, and the other end of the first sleeve pipe is connected with the first sealing piece;

the first sleeve, the second sleeve, the first sealing element, the second sealing element and the drainage cotton are surrounded to form a liquid storage cavity; the liquid guide cotton in the heating element assembly is communicated with the liquid storage cavity.

Optionally, the region of the heating element between the first fixing element and the second fixing element has a plurality of heating sections arranged at intervals, two opposite ends of each heating section are respectively connected with the first fixing element and the second fixing element, the plurality of heating sections are arranged in a circumferential manner, and an atomizing space is defined by the plurality of heating sections;

the first fixing piece and the second fixing piece are respectively provided with a first through hole and a second through hole which are communicated with the atomization space;

an air outlet hole is formed in the first sealing element, one end of an inner hole of the first sleeve is communicated with the air outlet hole, and the other end of the inner hole of the first sleeve is communicated with the second fixing element;

an air inlet is formed in the second sealing element and communicated with the second through hole.

Optionally, a liquid storage cotton is arranged in the liquid storage cavity, and the liquid guide cotton is in contact with the liquid storage cotton.

Optionally, the sides of the first sealing element and the second sealing element facing away from each other are provided with absorbent cotton.

In order to solve the technical problem, the application adopts a technical scheme that: providing an atomiser comprising a body portion and an atomising core as hereinbefore described;

the main part is provided with a power supply, the atomizing core is installed in the main part, and the power supply is electrically connected with the heating element assembly.

Optionally, a controller and a pneumatic pressure detection device which are coupled are further arranged in the main body part; the controller is electrically connected with the power supply, the air pressure detection device is used for detecting the air pressure in the first sleeve, and the controller controls the power supply to supply power to the heating element assembly when the air pressure in the first sleeve reaches a preset value.

The beneficial effect of this application is: in the scheme of this application, through adopting liquid guide cotton and atomized liquid to lead the atomized liquid to the surface of heating member, thereby can improve the speed on atomized liquid direction heating member surface, improve the timeliness when user inhales, improve user experience. In addition, adopt the stock solution cotton to store the atomized liquid, and through leading the cotton contact of liquid cotton and stock solution to can lead the atomized liquid of storage in the stock solution cotton to heating member surface, under the condition of the speed of ensuring atomized liquid direction heating member surface, can also reduce atomized liquid weeping risk. In addition, the atomizing core that this application scheme provided simple structure, its production and processing and installation are all simple and convenient, can provide production efficiency.

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 description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic view showing a structure of an embodiment of a heat-generating body provided by the present application;

FIG. 2 is a schematic view showing the structure of an exploded view of the heat-generating body shown in FIG. 1;

FIG. 3 is a schematic structural view of an embodiment of a heat-generating body assembly provided in the present application;

FIG. 4 is a sectional view of the heat-generating body assembly shown in FIG. 3;

FIG. 5 is a schematic structural view of an embodiment of an atomizing core provided herein;

FIG. 6 is a schematic structural view of another embodiment of the atomizing core of FIG. 5;

fig. 7 is a schematic structural diagram of an embodiment of an atomizer provided in the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.

Please refer to fig. 1-2. FIG. 1 is a schematic view showing a structure of an embodiment of a heat-generating body provided by the present application; FIG. 2 is a schematic view showing the structure of an exploded view of the heat-generating body shown in FIG. 1.

The heating body 10 includes a heating member 110, a first fixing member 120, and a second fixing member 130.

The heating member 110 may be a linear heating unit, and may be formed by bending a heating wire along a predetermined path; alternatively, the heating element 110 may be a mesh, which may be woven using linear heating wires or the like.

Specifically, two opposite ends of the heating element 110 may be embedded in the first fixing element 120 and the second fixing element 130, respectively, so that the heating element 110 is fixed to the first fixing element 120 and the second fixing element 130. The middle region of the heating member 110 is exposed between the first fixing member 120 and the second fixing member 130.

The heating member 110 is disposed in a region between the first fixing member 120 and the second fixing member 130 to contact a predetermined liquid guide member (a liquid guide pad 140 described later). Wherein, drain spare can contact with the atomized liquid to lead the atomized liquid to the surface of heating member 110, thereby can improve the speed on atomized liquid direction heating member 110 surface, the promptness when improving the user and sucking improves user experience.

In this embodiment, both ends of the heating member 110 may be sintered and fixed to the first fixing member 120 and the second fixing member 130.

Specifically, a predetermined powder (or slurry) may be formed into blanks of the first fixing member 120 and the second fixing member 130, and then both ends of the heating member 110 are embedded into the blanks of the first fixing member 120 and the second fixing member 130, respectively, and are sintered by heating, so that both ends of the heating member 110 can be tightly combined with the first fixing member 120 and the second fixing member 130.

Alternatively, in order to improve the overall strength of the heating body 10 and reduce the manufacturing difficulty, a connecting member 150 may be further provided between the first fixing member 120 and the second fixing member 130, wherein both ends of the connecting member 150 are fixedly connected with the first fixing member 120 and the second fixing member 130, respectively.

The connecting member 150 may be formed by sintering with the first fixing member 120 and the second fixing member 130 at one time.

Further, in this embodiment, the portion of the heating member 110 between the first fixing member 120 and the second fixing member 130 may include a plurality of heating segments 111 arranged at intervals, and opposite ends of each heating segment 111 are respectively connected to the first fixing member 120 and the second fixing member 130.

The first fixing member 120 and the second fixing member 130 are respectively provided with a first through hole 121 and a second through hole 131. In this embodiment, one end of each of the plurality of heat-generating segments 111 disposed at intervals may be disposed around the first through hole 121, and the other end of each of the plurality of heat-generating segments 111 disposed at intervals may be disposed around the second through hole 131.

The heat generating sections 111 are spaced to form the atomizing space 101, and the first through hole 121 and the second through hole 131 are communicated with the atomizing space 101.

In this aspect, one of the first and second through

holes

121 and 131 may communicate with the intake passage, and the other of the through

holes

121 and 131 communicates with the intake passage. Therefore, when the plurality of heating sections 111 heat and atomize the atomized liquid, the formed aerosol can pass through the gaps among the plurality of heating sections 111 and enter the atomization space 101, and the user can inhale from the air suction passage, so that the outside air can enter the atomization space 101 from the air suction passage, and an air flow is formed, and the air flow can drive the formed aerosol to be sucked out from the air suction passage for eating.

Therefore, in the scheme of this application, lead the atomizing liquid to heating member 110 surface through predetermineeing liquid guide (as the cotton 140 of leading liquid that will be described later), can accelerate the atomizing liquid and flow to heating member 110 surface, ensure the instantaneity that the atomizing liquid formed the aerial fog, improve user experience. In addition, through with a plurality of interval heating section 111 and encircle the setting, and then adopt predetermined drain spare and a plurality of heating section 111 contacts to the surface with a plurality of heating section 111 of atomized liquid introduction, thereby can improve the lower liquid rate of atomized liquid, improve the speed that aerial fog formed.

In this embodiment, when the heating element 110 is formed by bending a heating wire, the plurality of heating sections 111 are all straight line sections.

Or in other embodiments, the heating element 110 may also be in a net shape, that is, two adjacent heating segments 111 may be connected to each other by at least one sub-heating segment 112. In this embodiment, the number of the sub-heating sections 112 is plural, and the plural heating sections 111 and the plural sub-heating sections 112 may form the heating element 110 in a net shape.

In this embodiment, optionally, part of the heat distributing section 111 may be embedded in the connecting member 150. The width of the connecting member 150 is 0.5-2mm, specifically, the connecting member 150 may be a strip shape with an arc-shaped cross section, and the width of the corresponding connecting member 150 corresponds to the arc length of the arc. Wherein the width of the connector 150 may be 1 to 0.5, 1, 1.5 or 2 mm. In this embodiment, by limiting the width of the connector 150 to be in the range of 0.5-2mm, the contact area between the connector 150 and the liquid guiding cotton can be reduced while ensuring the strength of the connector 150, that is, the area of the plurality of heating sections 111 exposed outside the connector 150 can be increased, so that the contact area between the heating member 110 and the liquid guiding cotton can be ensured.

In another embodiment, the connection member 150 may be a connection tube, and the plurality of heating sections 111 may be embedded outside the connection tube, wherein the connection tube is provided with a plurality of openings, and the aerosol generated by heating through the heating sections 111 may enter the inner space of the connection member 150 through the openings of the connection member 150 (in this case, the inner space of the connection member 150 may form the atomization space 101 as described above).

At least two electrodes 132 are arranged on the second fixing member 130; one end of each of the two electrodes 132 is connected to a different position of the heating member 110, and the other end of each of the two electrodes 132 is electrically connected to the positive and negative electrodes of an external power source.

Alternatively, the two electrodes 132 may be integrally disposed with the heating member 110, that is, the two electrodes 132 are integrally formed with the heating member 110, and one end of the heating member 110 penetrates through the second fixing member 130 to form the two electrodes 132 disposed at intervals.

Further, in the present embodiment, both the first fixing member 120 and the second fixing member 130 may be cylindrical (or approximately cylindrical), and the diameters of both may be equal. The axes of both the first mount 120 and the second mount 130 may then be collinear.

Alternatively, in other embodiments, the cross-sections of the first fixing member 120 and the second fixing member 130 may be oval, square, or rectangular, and the cross-sectional shapes and sizes of the two members may be the same.

In the above embodiment, it is necessary to use the liquid guiding member to contact the heat generating section 111 between the first fixing member 120 and the second fixing member 130. For the convenience of installation, the liquid guiding member may be directly sleeved on the heating section 111 between the first fixing member 120 and the second fixing member 130.

Please refer to fig. 1, fig. 3 and fig. 4. FIG. 3 is a schematic structural view of an embodiment of a heat-generating body assembly provided in the present application; FIG. 4 is a sectional view of the heat-generating body assembly shown in FIG. 3.

Wherein the heat-generating body assembly includes the liquid guide cotton 140 and the heat-generating body 10 as described above. The liquid guide cotton 140 is annular, and the liquid guide cotton 140 is sleeved on the plurality of heating sections 111 between the first fixing member 120 and the second fixing member 130. Also, the outer wall of the liquid guiding cotton 140 may be disposed to be flush with the sidewalls of the first fixing member 120 and the second fixing member 130.

Alternatively, in other embodiments, the outer sidewall of the liquid guide cotton 140 may be partially disposed beyond the groove formed by the first fixing member 120 and the second fixing member 130.

Opposite ends of the liquid guide cotton 140 are in contact with the first fixing member 120 and the second fixing member 130, respectively.

Further, based on the same inventive concept, the application also provides an atomization core.

Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of an atomizing core provided in the present application.

Wherein, the atomizing core 20 comprises an atomizing core main body, the liquid guide cotton 140 and the heating element 10 as described above. Or the atomizing core 20 includes the atomizing core main body and the heat-generating body assembly as described above.

A liquid storage cavity 201 for containing atomized liquid can be formed in the atomizing core main body. Wherein the atomizing cartridge body includes a first sleeve 210, a second sleeve 220, a first seal 230, a second seal 240. The liquid storage cavity 201 can be formed by surrounding a sleeve 210, a second sleeve 220, a first sealing member 230, a second sealing member 240, the liquid guide cotton 140 and the heating element 10, so that the formed atomization core 20 has a simple structure and reduces the installation difficulty.

The liquid storage cavity 201 has a liquid outlet, and the liquid guide cotton 140 can be covered on the position of the liquid outlet. The outer wall of the liquid guide cotton 140 is disposed toward the liquid outlet of the liquid storage cavity 201, so that the liquid guide cotton 140 can receive the atomized liquid in the liquid storage cavity 201.

Wherein, optionally, the heating element assembly formed by the liquid guide cotton 140 and the heating element 10 can cover the liquid outlet of the liquid storage cavity 201, thereby avoiding the leakage of the atomized liquid in the liquid storage cavity 201.

Further, in this embodiment, the second sleeve 220 has a cross-sectional dimension greater than the cross-sectional dimension of the first sleeve 210. The second sleeve 220 is sleeved on the first sleeve 210, and opposite ends of the second sleeve 220 are respectively connected with the first sealing element 230 and the second sealing element 240. That is, the first sealing member 230 and the second sealing member 240 may respectively cover openings at two opposite ends of the second sleeve 220, so as to form a receiving space in which the first sleeve 210 and the heating body 10 are located.

Further, one end of the first sleeve 210 may be sleeved on the first fixing member 120 in the heating body 10 and the inner pipe of the first sleeve 210 may be communicated with the atomization space 101 in the heating body 10; the other end of the first sleeve 210 is connected to the first sealing member 230, and the first sealing member 230 is provided with an air outlet 231, and an opening at the other end of the first sleeve 210 is communicated with the air outlet 231.

The second fixing member 130 in the heat-generating body 10 may be connected to the second sealing member 240. Wherein, an air inlet hole 241 is provided on the second sealing member 240, the air inlet hole 241 can be used for communicating with the outside atmosphere, when the second fixing member 130 is fixedly connected to the second sealing member 240, the second through hole 131 of the second fixing member 130 can be communicated with the air inlet hole 241, so that the outside atmosphere can enter the atomization space 101 along the second through hole 131 through the air inlet hole 241.

Therefore, the liquid guiding cotton 140 can guide the atomized liquid in the liquid storage cavity 201 to the surface of the heating section 111, so that the atomized liquid forms an aerosol, and the aerosol can be sucked from the atomizing space 101 sequentially along the inner tube of the first sleeve 210 and the air outlet 231 for the user to suck.

Optionally, a liquid storage cotton 202 is disposed in the liquid storage cavity 201, and the liquid guide cotton 140 can be in contact with the liquid storage cotton 202. Wherein, the liquid storage cotton 202 can be spongy and be used for storing the atomized liquid, and the outline of the liquid storage cotton 202 can match with the inner wall of the liquid storage cavity 201.

Referring to fig. 5, a boss 232 is disposed on the first sealing member 230, an air outlet 231 is disposed on the boss 232, and the first fixing member 120 is further provided with a protrusion 122. One end of the first sleeve 210 can be sleeved on the protrusion 122, and the other end can be sleeved on the boss 232.

Wherein, at the connection between the first sleeve 210 and the protrusion 122 and the boss 232, a sealing structure may be provided to ensure the sealing performance of the reservoir 201 and avoid leakage of the reservoir 201.

Further, be provided with first recess in one side that first sealing member 230 deviates from second sealing member 240, can set up the cotton 233 of imbibition in this recess, the cotton 233 of imbibition can encircle the venthole 231 setting to can absorb the condensate of the aerial fog of venthole 231 department, thereby can avoid taking place the condensate weeping in the position of venthole 231.

Correspondingly, the side of the second sealing member 240 facing away from the first sealing member 230 may also be provided with a liquid absorption cotton 242, and the liquid absorption cotton 242 may absorb the condensate of the aerosol at the second through hole 131, so that the condensate leakage at the position of the second through hole 131 may be avoided.

Please further refer to fig. 6. Fig. 6 is a schematic structural view of another embodiment of the atomizing core shown in fig. 5.

In this embodiment, the atomizing core 20 further includes an adaptor 250, the adaptor 250 can be connected to the second sealing member 240, wherein a second groove is provided on a side of the adaptor 250 facing the second sealing member 240, and the liquid-absorbing cotton 242 can be mounted in the second groove.

Further, based on the same inventive concept, the application also provides an atomizer. Referring to fig. 7, fig. 7 is a schematic structural diagram of an embodiment of an atomizer according to the present application.

The atomizer 30 includes a body portion 310 and an atomizing core 20 as previously described.

The main body 310 is provided with a power supply 311, the atomizing core 20 is mounted in the main body 310, and the power supply 311 is electrically connected to the heating element 10.

Optionally, a controller 312 and an air pressure detecting device (not shown in the figure) coupled to the main body 310 are further disposed therein; the controller 312 is electrically connected to the power supply 311, the air pressure detecting device is used for detecting the air pressure in the first sleeve 210, and the controller 312 controls the power supply 311 to supply power to the heating element 10 when the air pressure in the first sleeve 210 reaches a preset value.

The main body 310 includes a first housing 301 and a second housing 302 detachably connected to each other, the first housing 301 and the second housing 302 may enclose an installation space, and the power source 311, the controller 312, the air pressure detecting device, and the atomizing core 20 are installed in the installation space.

The power source 311 and the controller 312 may be disposed in the first housing 301, the end of the second housing 302 is a suction nozzle portion 303, the suction nozzle portion 303 has a suction channel 3031, and the suction channel 3031 is communicated with the air outlet 231.

Accordingly, the user may inhale from the mouthpiece portion 303, thereby drawing the aerosol in the nebulizing space 101 out along the first sleeve 210, the air outlet 231 and the inhalation channel 3031.

In this embodiment, by providing the controller 312 and the air pressure detecting means, the air pressure in the first sleeve 210 and the nebulizing space 101 to which it is connected can be reduced when the user inhales from the mouthpiece section 303, according to this principle. The air pressure in the first sleeve 210 and/or the atomization space 101 is detected through the air pressure detection device, when the air pressure in the first sleeve 210 and/or the atomization space 101 is detected to be smaller than a preset value, it can be indicated that the user starts to inhale, and the air pressure detection device can send a trigger signal to the controller 312 at the moment, so that the controller 312 controls the power supply 311 to supply power to the heating body 10, so that the atomized liquid is heated to form aerosol, and the aerosol is sucked by the user.

When the user stops inhaling, the air pressure in the first sleeve 210 and/or the atomization space 101 will return to the initial value (for example, the atmospheric pressure value), and at this time, if the air pressure detection device detects that the air pressure in the first sleeve 210 and/or the atomization space 101 returns to the initial value, a trigger signal may be sent to the controller 312, so that the controller 312 can control the power supply 311 to stop supplying power to the heating element 10.

In summary, those skilled in the art can easily understand that the beneficial effects of the present application are: in the scheme of this application, through adopting liquid guide cotton and atomized liquid to lead the atomized liquid to the surface of heating member, thereby can improve the speed on atomized liquid direction heating member surface, improve the timeliness when user inhales, improve user experience. In addition, adopt the stock solution cotton to store the atomized liquid, and through leading the cotton contact of liquid cotton and stock solution to can lead the atomized liquid of storage in the stock solution cotton to heating member surface, under the condition of the speed of ensuring atomized liquid direction heating member surface, can also reduce atomized liquid weeping risk. In addition, the atomizing core that this application scheme provided simple structure, its production and processing and installation are all simple and convenient, can provide production efficiency.

The above description is only an example of the present application, and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes performed by the present application and the contents of the attached drawings, which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A heat-generating body, characterized in that the heat-generating body comprises: a heating member, a first fixing member and a second fixing member;

the relative both ends of heating member are buried underground respectively in first mounting with in the second mounting, the heating member is located the region between the first mounting with the second mounting is used for contacting with predetermined drain spare to receive the atomizing liquid that the drain spare conducted and to the atomizing liquid heats the atomizing liquid and atomizes.

2. A heat-generating body as described in claim 1,

the heating part is provided with a plurality of heating sections arranged at intervals in the area between the first fixing part and the second fixing part, and two opposite ends of each heating section are respectively connected with the first fixing part and the second fixing part;

wherein, it is a plurality of the section of generating heat is arranged and is a plurality of in the ring week the section of generating heat encloses to establish and forms an atomizing space.

3. A heat-generating body as described in claim 2,

the heating element also comprises a plurality of sub-heating sections, and every two adjacent heating sections are connected through at least one sub-heating section.

4. A heat-generating body as described in claim 2 or 3,

the heating element assembly further comprises a connecting piece, two opposite ends of the connecting piece are respectively connected with the first fixing piece and the second fixing piece, and part of the heating section is embedded in the connecting piece;

the first fixing member, the connecting member, and the second fixing member are integrally formed by sintering.

5. A heat-generating body as described in claim 2,

the first fixing piece is provided with a first through hole, and the first through hole is communicated with the atomization space;

6. An atomizing core, characterized in that the atomizing core comprises: an atomizing core main body, a liquid guide member and a heat-generating body as claimed in any one of claims 1 to 5;

7. The atomizing core of claim 6,

the atomizing core main body comprises a first sleeve, a second sleeve, a first sealing piece and a second sealing piece;

8. The atomizing core of claim 7,

the heating element is arranged between the first fixing piece and the second fixing piece, the area of the heating element between the first fixing piece and the second fixing piece is provided with a plurality of heating sections arranged at intervals, two opposite ends of each heating section are respectively connected with the first fixing piece and the second fixing piece, the plurality of heating sections are arranged in a surrounding mode, and an atomization space is formed by the plurality of heating sections in a surrounding mode;

9. The atomizing core of claim 7,

the liquid storage cavity is internally provided with liquid storage cotton, and the liquid guide cotton is in contact with the liquid storage cotton.

10. The atomizing core of claim 7,

the side of the first sealing element and the side of the second sealing element, which are far away from each other, are provided with liquid absorption cotton.

11. A nebulizer, comprising a body portion and a nebulizing core according to any one of claims 6 to 10;

12. A nebulizer as claimed in claim 11, wherein the body portion is further provided with a coupled controller and air pressure detection means; the controller is electrically connected with the power supply, the air pressure detection device is used for detecting the air pressure in the first sleeve, and the controller controls the power supply to supply power to the heating element assembly when the air pressure in the first sleeve reaches a preset value.