CN219353076U - Atomizing core and electronic atomizing device - Google Patents
Atomizing core and electronic atomizing device Download PDFInfo
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- CN219353076U CN219353076U CN202320006369.8U CN202320006369U CN219353076U CN 219353076 U CN219353076 U CN 219353076U CN 202320006369 U CN202320006369 U CN 202320006369U CN 219353076 U CN219353076 U CN 219353076U
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Abstract
The application relates to an atomizing core and electron atomizing device, the atomizing core includes: an infrared porous ceramic and a PTC porous ceramic. The interior of the infrared porous ceramic is hollow, and the outer surface of the infrared porous ceramic is used for absorbing aerosol-generating substrates. The PTC porous ceramic is nested in the infrared porous ceramic and used for heating the aerosol generating matrix, the hollow inside of the PTC porous ceramic is used for releasing generated aerosol, and the outer surface of the PTC porous ceramic is combined with the inner surface of the infrared porous ceramic. Through setting the atomizing core as infrared porous ceramic and PTC porous ceramic's nested structure, utilize PTC porous ceramic to have constant temperature characteristic that generates heat, PTC porous ceramic surface quick radiating infrared ray of the infrared porous ceramic of its contact surface of excitation makes it, preheats the tobacco tar of infrared porous ceramic surface high efficiency fast, realizes lasting sufficient feed liquid, prevents dry combustion method.
Description
Technical Field
The application relates to the technical field of electronic atomization, in particular to an atomization core and an electronic atomization device.
Background
The electronic cigarette is an electronic product imitating cigarettes, and can generate smoke like common cigarette products so as to be smoked by users.
At present, the atomizing core of the electronic cigarette generally has the problems of liquid leakage, dry combustion and the like, so that the taste experience of a user is greatly influenced, and particularly in the application of high-viscosity tobacco tar, the problems of dry combustion, poor taste experience and the like are easily caused due to low smoke quantity during the suction of the first few mouths.
Disclosure of Invention
Accordingly, it is desirable to provide an atomizing core and an electronic atomizing device to solve at least one of the above problems.
Embodiments of the present application provide an atomizing core, comprising: an infrared porous ceramic and a PTC porous ceramic. The interior of the infrared porous ceramic is hollow, and the outer surface of the infrared porous ceramic is used for absorbing aerosol-generating substrates. The PTC porous ceramic is nested in the infrared porous ceramic and used for heating the aerosol generating matrix, the interior of the PTC porous ceramic is hollow and used for releasing generated aerosol, and the outer surface of the PTC porous ceramic is combined with the inner surface of the infrared porous ceramic.
In one embodiment, the thickness of the PTC porous ceramic is greater than the thickness of the infrared porous ceramic.
In one embodiment, the thickness of the PTC porous ceramic and the thickness of the infrared porous ceramic are 7:1 to 15:1.
in one embodiment, the infrared porous ceramic and the PTC porous ceramic are both in a straight cylindrical structure, or are both in a flat plate structure, or are both in a tapered cylindrical structure.
In one embodiment, the infrared porous ceramic and the PTC porous ceramic are bonded by co-firing.
In one embodiment, the infrared porous ceramic and the PTC porous ceramic are combined by post-firing, wherein the firing sequence is to sinter the PTC porous ceramic first and then sinter the infrared porous ceramic.
In one embodiment, the infrared porous ceramic has a porosity that is 5% to 10% higher than the porosity of the PTC porous ceramic.
In one embodiment, the pore size of the infrared porous ceramic is 5 μm to 15 μm larger than the pore size of the PTC porous ceramic.
In one embodiment, the infrared porous ceramic is sintered from a spinel type infrared radiation material.
The embodiment of the application also provides an electronic atomization device, which comprises: the device comprises a device body and the atomizing core, wherein the atomizing core is arranged in the device body.
Foretell atomizing core and electron atomizing device, through setting up the atomizing core into infrared porous ceramic and PTC porous ceramic's nested structure, utilize PTC porous ceramic to have the constant temperature characteristic of generating heat, the heat that PTC porous ceramic surface sent rapidly arouses the infrared porous ceramic of its contact surface and makes it radiate infrared ray fast, preheats the tobacco tar of infrared porous ceramic surface fast high efficiency, realizes lasting sufficient feed, prevents dry combustion method, has solved the dry combustion method that atomizing core exists and has led to taste experience the problem of variation.
Drawings
Fig. 1 is a schematic structural diagram of an atomizing core according to an embodiment of the present disclosure.
Fig. 2 is a cross-sectional view of an atomizing core at A-A provided in an embodiment of the present application.
Fig. 3 is a schematic structural view of another embodiment of an atomizing core according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural view of yet another embodiment of an atomizing core according to an embodiment of the present disclosure.
Fig. 5 is a block diagram of an electronic atomization device according to an embodiment of the present application.
Reference numerals: an electronic atomizing device 1, an atomizing core 10, an infrared porous ceramic 110, a PTC porous ceramic 120 and a device body 20.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The atomizing core provided by the embodiments of the present application is used for heating an aerosol-generating substrate to generate an aerosol for use by a user. Wherein the heating means may be convection, conduction, radiation or a combination thereof. The aerosol-generating substrate may be in the form of a liquid, gel, paste or solid, etc. When the aerosol-generating substrate is a solid, it may be a solid in the form of a powder, granulate, stick or tablet. The aerosol-generating substrate includes, but is not limited to, materials for medical, health, wellness, cosmetic purposes, e.g., the aerosol-generating substrate is a medicinal liquid, an oil, or the aerosol-generating substrate is a plant-based material, e.g., a plant root, stem, leaf, flower, bud, seed, etc.
Referring to fig. 1-2, fig. 1 shows a schematic structural diagram of an atomizing core 10 according to an embodiment of the present application, and fig. 2 shows a cross-sectional view of an atomizing core 10 according to an embodiment of the present application at A-A, where the embodiment of the present application provides an atomizing core 10, including: an infrared porous ceramic 110 and a Positive temperature coefficient (Positive TemperatureCoefficient, PTC) porous ceramic.
The infrared porous ceramic 110 may have a cylindrical straight cylinder structure, a flat plate structure, a tapered cylinder structure, or the like, and fig. 1 and 2 illustrate a cylindrical cylinder structure. The interior of the infrared porous ceramic 110 is hollow. The outer surface of the infrared porous ceramic 110 is used to absorb an aerosol-generating substrate.
In this embodiment, the infrared porous ceramic 110 may be made of a spinel type infrared radiation material by sintering, and the material can radiate infrared rays rapidly under the action of temperature, so as to preheat tobacco tar rapidly and efficiently, and compared with the common porous ceramic, the porous ceramic has a faster heat conduction speed, and particularly has a better preheating effect on high-viscosity tobacco tar.
The infrared porous ceramic 110 can be sintered by adopting an infrared radiation material technology of which the preheating temperature is 150-250 ℃ and which is matched with the excitation of infrared radiation energy, specifically, the infrared porous ceramic 110 can be mainly an oxide system of a transition metal such as Fe, mn, co, ni, cu, cr and the like and is prepared by rare earth elements such as La, Y, ce and the like or various ions such as Zr 4+ 、Ti 4+ 、Al 3+ And co-doped and sintered at 1100-1300 deg.c, with the infrared porous ceramic 110 having emissivity over 95%, shrinkage of 8-12%, porosity of 50-80% and pore size of 15-45 microns. For example, the infrared porous ceramic 110 may have Fe as the main component 0.35 Mn 0.25 Co 0.1 Ni 0.25 Cu 0.05 O 1.48 The dopant can be 0.2wt% La 2 O 3 Sintering temperature of the infrared porous ceramic 110The degree is 1250 ℃, the emissivity is 96%, the shrinkage is 10%, the porosity is 59%, the pore diameter is 32 μm, and the like.
The PTC porous ceramic 120 is nested inside the infrared porous ceramic 110, and has a structure corresponding to the infrared porous ceramic 110, and if the infrared porous ceramic 110 has a cylindrical straight cylinder structure, the PTC porous ceramic 120 has a cylindrical straight cylinder structure. Accordingly, referring to fig. 3 and fig. 4, fig. 3 is a schematic structural view of another embodiment of an atomizing core according to an embodiment of the present disclosure, and fig. 4 is a schematic structural view of yet another embodiment of an atomizing core according to an embodiment of the present disclosure. The PTC porous ceramic 120 may also have a flat plate structure or a tapered cylindrical structure. The PTC porous ceramic 120 serves to heat the aerosol-generating substrate, the inside of the PTC porous ceramic 120 is hollow for releasing the generated aerosol, and the outer surface of the PTC porous ceramic 120 is bonded with the inner surface of the infrared porous ceramic 110.
In this embodiment, the PTC porous ceramic 120 may be sintered by using a lead-free PTC porous ceramic 120 material technology having a curie temperature of 220 ℃ to 260 ℃, and specifically, the PTC porous ceramic 120 may include: (1-x) BaTiO 3 -x(Bi y Na 1- y TiO 3 ) And zwt% MOa, wherein x is 0.02 to 0.1, y is 0.3 to 0.6, z is 0.01 to 0.08, M is one or more of Mn, al, fe, and the sintering temperature of the PTC porous ceramic 120 is 1200 ℃ to 1350 ℃, under which the Curie temperature Tc of the PTC porous ceramic 120 is 220 ℃ to 260 ℃ and the lift-drag ratio is 1 x 10 2 To 1 x 10 3 Shrinkage is 8% to 12%, porosity is 50% to 80%, pore size is 15 μm to 40 μm. For example, the main component of the PTC porous ceramic 120 may be 0.95BaTiO 3 -0.05(Bi 0.4 Na 0.6 TiO 3 ) The dopant may be 0.08wt% MnO 2 The sintering temperature of the PTC porous ceramic 120 is 1250 ℃, the Tc is 255 ℃, and the lift-drag ratio is 1 x 10 3 The shrinkage is 10%, the porosity is 65%, the pore diameter is 40 μm, and the like, and is not limited thereto.
According to the atomization core 10, the atomization core 10 is arranged into the nested structure of the infrared porous ceramic 110 and the PTC porous ceramic 120, the PTC porous ceramic is utilized to have constant-temperature heating characteristics, the infrared porous ceramic 110 on the contact surface of the PTC porous ceramic 120 is excited by heat rapidly emitted from the surface of the PTC porous ceramic 110 to rapidly radiate infrared rays, tobacco tar on the outer surface of the infrared porous ceramic 110 is rapidly and efficiently preheated, continuous sufficient liquid supply is realized, dry burning is prevented, and the problem that the taste experience is deteriorated due to dry burning of the atomization core 10 in the prior art is solved.
In some embodiments, the atomizing core 10 may be formed by co-sintering the infrared porous ceramic 110 and the PTC porous ceramic 120, that is, sintering the infrared porous ceramic 110 and the PTC porous ceramic 120 together, in this way, the infrared porous ceramic 110 and the PTC porous ceramic 120 may have a higher bonding force, so that the structure of the atomizing core 10 is more stable.
In other embodiments, the infrared porous ceramic 110 and the PTC porous ceramic 120 of the atomizing core 10 may be bonded by post-firing, wherein the firing sequence is to sinter the PTC porous ceramic 120 first and then sinter the infrared porous ceramic 110. By adopting the mode, the infrared porous ceramic 110 and the PTC porous ceramic 120 can have higher binding force, so that the structure of the atomization core 10 is more stable.
It will be appreciated that the co-firing or post-firing manner in combination with the infrared porous ceramic 110 and the PTC porous ceramic 120 may be selected according to the actual situation, and is not limited thereto.
In some embodiments, the wall thickness of the PTC porous ceramic 120 is greater than the wall thickness of the infrared porous ceramic 110, and in particular, the wall thickness ratio of the PTC porous ceramic 120 to the infrared porous ceramic 110 may be 7:1 to 15:1, which facilitates balancing the heat required for the PTC porous ceramic 120 to achieve atomization and the energy required for the infrared porous ceramic 110 to preheat the aerosol-generating substrate, which can both increase the amount of atomization and increase the preheating effect.
In other embodiments, the infrared porous ceramic 110 has a porosity higher than that of the PTC porous ceramic 120, specifically, the infrared porous ceramic 110 has a porosity 5% to 10% higher than that of the PTC porous ceramic 120, and the infrared porous ceramic 110 has a pore size 5 μm to 15 μm larger than that of the PTC porous ceramic 120, which facilitates rapid introduction of the preheated aerosol-generating substrate from the infrared porous ceramic 110 into the PTC porous ceramic 120 and formation of an aerosol in the hollow portion of the PTC porous ceramic 120.
It is understood that the holes of the mid-infrared porous ceramic 110 and the PTC porous ceramic 120 may be interconnected three-dimensional communication holes.
According to the atomization core 10 in the embodiment of the application, through setting the atomization core 10 into the nested structure of the infrared porous ceramic 110 and the PTC porous ceramic 120, the hidden danger of service life, consistency, heavy metal and the like corresponding to a metal alloy slurry heating film (or heating wire) line can be eliminated. The infrared porous ceramic 110 of the contact surface is directly or indirectly excited by the heat rapidly emitted by the surface of the PTC porous ceramic 120, so that the infrared porous ceramic 110 rapidly radiates infrared rays, the aerosol generating matrix on the outer surface of the infrared porous ceramic 110 is rapidly and efficiently preheated, sufficient liquid supply is ensured, dry burning is prevented, meanwhile, the lead-free PTC porous ceramic 120 self-heats up from the current supply to enable the resistance to enter a jump zone, namely, the temperature is between 220 and 260 ℃ in the Curie temperature, the faint scent of the aerosol is more obvious when the aerosol is sucked, and compared with the heat conduction preheating of the ceramic atomizing core 10 with electronic circuits in the prior art, the infrared radiation heating of the infrared porous ceramic 110 is more efficient and uniform, and the liquid supply stability is also more facilitated. In addition, compare ceramic atomizing core 10 that prior art brought electronic circuit, the atomizing core 10 that this application embodiment provided does not have the safety problem that heavy metal exceeds standard, and raw and other materials environmental protection is harmless.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an electronic atomization device 1 according to an embodiment of the present application, where the electronic atomization device 1 may include: the device body 20 and the atomizing core 10 are provided inside the device body 20, and the atomizing core 10 is used for heating the aerosol generating substrate to generate aerosol. The device body 20 may have a cylindrical structure, such as a conventional cigarette, or may have an elliptic cylindrical shape, fang Zhuzhuang, etc., which is not limited herein, and the device body 20 may be made of a sound insulation material, such as sound insulation plastic, etc., it is understood that a reflective layer may be disposed on an inner wall of the device body 20 to reflect noise generated when the atomizing core 10 works.
The working principle of the electronic atomization device 1 provided by the embodiment of the application is as follows: the PTC porous ceramic 120 heats up by self-heating by passing a certain amount of current through the upper and lower ends of the PTC porous ceramic 120, so that the resistance of the PTC porous ceramic 120 enters the transition region, that is, the curie temperature is 220 ℃ to 260 ℃, and the PTC porous ceramic 120 heats the aerosol-generating substrate absorbed by the infrared porous ceramic 110 at constant temperature to generate aerosol. Meanwhile, under the structure of the atomizing core 10 with a specific wall thickness ratio, the infrared porous ceramic 110 with high emissivity absorbs a small amount of heat and rapidly radiates energy to achieve preheating of the aerosol-generating substrate absorbed by the infrared porous ceramic 110. When the resistance of the PTC porous ceramic 120 is restored to the room temperature value after power failure, the corresponding temperature is also rapidly reduced, the function of sucking and pulling is realized, and dry burning is avoided.
According to the electronic atomization device 1, the atomization core 10 is arranged into the nested structure of the infrared porous ceramic 110 and the PTC porous ceramic 120, the PTC porous ceramic is utilized to have constant-temperature heating characteristics, the infrared porous ceramic 110 on the contact surface of the PTC porous ceramic 120 is excited by heat rapidly emitted by the surface of the PTC porous ceramic 120 to rapidly radiate infrared rays, tobacco tar on the outer surface of the infrared porous ceramic 110 is rapidly and efficiently preheated, continuous sufficient liquid supply is realized, dry burning is prevented, and the problem that the taste experience is deteriorated due to dry burning of the atomization core 10 in the prior art is solved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. Also, other implementations may be derived from the above-described embodiments, such that structural and logical substitutions and changes may be made without departing from the scope of this disclosure.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of protection. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. An atomizing core, comprising:
an infrared porous ceramic, the interior of the infrared porous ceramic being hollow, the outer surface of the infrared porous ceramic being for absorbing an aerosol-generating substrate; and
the PTC porous ceramic is nested in the infrared porous ceramic and used for heating the aerosol generating matrix, the hollow inside of the PTC porous ceramic is used for releasing generated aerosol, and the outer surface of the PTC porous ceramic is combined with the inner surface of the infrared porous ceramic.
2. The atomizing core of claim 1, wherein the PTC porous ceramic has a thickness greater than a thickness of the infrared porous ceramic.
3. An atomizing core as set forth in claim 2, wherein said PTC porous ceramic has a thickness of 7:1 to 15:1.
4. an atomizing core as set forth in claim 1 wherein said infrared porous ceramic and said PTC porous ceramic are both of a straight cylindrical structure, or are both of a flat plate structure, or are both of a tapered cylindrical structure.
5. An atomizing core as set forth in claim 1, wherein said infrared porous ceramic and said PTC porous ceramic are bonded by co-firing.
6. An atomizing core as set forth in claim 1 wherein said infrared porous ceramic and said PTC porous ceramic are bonded by post-firing, wherein the firing sequence is to sinter said PTC porous ceramic first and then to sinter said infrared porous ceramic.
7. An atomizing core as set forth in claim 1 wherein said infrared porous ceramic has a porosity of 5% to 10% greater than a porosity of said PTC porous ceramic.
8. An atomizing core as set forth in claim 1 wherein the pore size of said infrared porous ceramic is 5 μm to 15 μm larger than the pore size of said PTC porous ceramic.
9. The atomizing core of claim 1, wherein the infrared porous ceramic is sintered from a spinel type infrared radiation material.
10. An electronic atomizing device, comprising: a device body and an atomizing core according to any one of claims 1 to 9, the atomizing core being disposed inside the device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320006369.8U CN219353076U (en) | 2023-01-03 | 2023-01-03 | Atomizing core and electronic atomizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320006369.8U CN219353076U (en) | 2023-01-03 | 2023-01-03 | Atomizing core and electronic atomizing device |
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| Publication Number | Publication Date |
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| CN219353076U true CN219353076U (en) | 2023-07-18 |
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| CN202320006369.8U Active CN219353076U (en) | 2023-01-03 | 2023-01-03 | Atomizing core and electronic atomizing device |
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- 2023-01-03 CN CN202320006369.8U patent/CN219353076U/en active Active
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