CN217771498U - Atomizing core, atomizer and electronic atomization device - Google Patents

Abstract

The utility model provides an atomizing core, atomizer and electronic atomization device, including the ceramic body, the porosity of ceramic body is 30 ~ 65%, and the thermal conductivity is 0.1 ~ 0.8W/m K, and, the ceramic body includes two at least types trompils that evenly distributed set up, the aperture of two at least types trompils is 3 mu m ~ 50 mu m, and wherein, the aperture of one type trompil in two at least types trompils is less than the aperture of another type trompil. The utility model discloses an atomizing core has the hole in large aperture and small aperture concurrently, compares in haplopore atomizing core, and it is better to lead oily effect, and is difficult for the plug hole, has improved atomization efficiency, can provide better taste, and life is good.

Description

Atomizing core, atomizer and electronic atomization device

Technical Field

The utility model belongs to the technical field of the atomizing technique and specifically relates to indicate an atomizing core, atomizer and electron atomizing device.

Background

The electronic atomization device is electronic equipment which transfers nicotine to a respiratory system by electrically heating and atomizing electronic atomized liquid. The atomizing wick in the electronic atomization device takes the electronic atomized liquid, and the atomized liquid is atomized by combining the heating module, so that the absorbed electronic atomized liquid is atomized to form aerosol which is sucked by a user. The conventional ceramic atomizing core is internally provided with a single-hole pore, generally has a large pore diameter, is not easy to block the pore, but has poor oil guiding effect and is easy to leak oil; the aperture is small, the oil guiding effect is good, but the hole is easy to block.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve not enough among the prior art to a certain extent at least, provide an atomizing core, atomizer and electron atomizing device.

An embodiment of the utility model provides an atomizing core, including the ceramic body, the porosity of ceramic body is 30 ~ 65%, and the thermal conductivity is 0.1 ~ 0.8W/m K, and, the ceramic body includes two at least types of trompils that evenly distributed set up, the aperture of two at least types of trompils is 3 mu m ~ 50 mu m, wherein, the aperture of one type of trompil in two at least types of trompils is less than the aperture of another type of trompil.

Further, the at least two types of openings comprise a first type of openings and a second type of openings, the first type of openings have a pore size of 3 μm to 20 μm, and the second type of openings have a pore size of 5 μm to 50 μm.

Further, the at least two types of openings further comprise a third type of opening having an aperture between the aperture of the first type of opening and the aperture of the second type of opening.

Further, the pore diameter of the first type of open pore is 3 to 15 μm, the pore diameter of the second type of open pore is 7 to 50 μm, and the pore diameter of the third type of open pore is 4 to 20 μm.

Further, the ceramic body comprises an atomizing surface and a liquid suction surface which are arranged oppositely, and the at least two types of open holes penetrate from the atomizing surface to the liquid suction surface.

Further, the at least two types of openings comprise at least one of a cylindrical hole, a trapezoidal hole and a tapered hole.

Further, the atomizing device comprises a heating body, wherein the heating body is combined with the atomizing surface.

Further, the ceramic body is of a hollow tubular structure, wherein the atomizing surface is formed on the inner peripheral surface of the tubular structure, and the liquid absorbing surface is formed on the outer peripheral surface of the tubular structure.

There is also provided an atomiser comprising an atomising core as claimed in any one of the previous claims.

Still provide an electronic atomization device, including the battery pole and as above the atomizer, the atomizer with the battery pole electricity is connected.

The embodiment of the utility model provides a beneficial effect lies in: the utility model discloses an atomizing core has the hole in large aperture and small aperture concurrently, compares in haplopore atomizing core, and it is better to lead oily effect, and is difficult for the plug hole, has improved atomization efficiency, can provide better taste, and life is good.

Drawings

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

Fig. 1 is a diagram illustrating a distribution of holes in an atomizing core according to an embodiment of the present invention;

FIG. 2 is a graph showing the relationship between the oil inlet amount and the aperture of an atomizing core in a comparative example provided by an embodiment of the present invention;

FIG. 3 is a graph showing the relationship between the oil inlet amount and the hole diameter of the atomizing core according to example 1 of the present invention;

fig. 4 is a graph showing a relationship between an oil inlet amount and an aperture of an atomizing core according to embodiment 2 of the present invention;

fig. 5 is a graph showing a relationship between an oil feeding amount and an aperture of an atomizing core according to embodiment 3 of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

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 invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides an electronic atomization device, include the battery pole and install the atomizer on battery pole top, the atomizer is connected with the battery pole electricity. The battery pole and the atomizer constitute a whole by adopting the fixed connection mode in this embodiment, and in other embodiments, the battery pole and the atomizer can also be assembled by adopting the detachable plug-in mode, and the utility model discloses do not do the special restriction to this. The atomizer includes the atomizing core to the atomized liquid that the heating atomizing core absorb makes the atomized liquid atomizing of absorbing form the aerosol, is inhaled by the user.

Referring to fig. 1, the atomizing core includes a ceramic body, and the ceramic body includes at least two types of open pores uniformly distributed, wherein the pore diameter of each of the at least two types of open pores is greater than or equal to 3 μm, the porosity of the ceramic body is greater than or equal to 30%, and the thermal conductivity is greater than or equal to 0.1W/m · K.

Specifically, the porosity of the ceramic body is 30 to 65%, preferably, the porosity is 55 to 60%; the thermal conductivity is 0.1 to 0.8W/mK, preferably 0.15 to 0.4W/mK. The pore diameters of the at least two types of open pores are 3-50 μm, wherein the pore diameter of one type of open pores is smaller than that of the other type of open pores. The atomizing core of this embodiment has the hole in large aperture and aperture concurrently, compares in haplopore atomizing core, and it is better to lead oily effect, and is difficult for stifled hole, has improved atomization efficiency, can provide better taste, and life is good.

The ceramic body includes an atomizing surface and a liquid absorbing surface which are arranged oppositely, and at least two types of openings penetrate from the atomizing surface to the liquid absorbing surface. This embodiment is through setting up two at least types trompils along the direction of imbibition face to the atomizing face to adjust the aperture of two at least types trompils in different positions, in order to realize the regulation to the lock oil of whole atomizing core and drain performance.

To accommodate different oil lock and oil guide performance requirements, the at least two types of openings include at least one of a cylindrical opening, a trapezoidal opening, and a tapered opening, as examples. When at least two types of openings are cylindrical holes, the hole diameter is kept unchanged from the liquid absorption surface to the atomization surface; when the at least two types of openings are trapezoidal openings and tapered openings, that is, the diameters of the at least two types of openings in the direction from the liquid suction surface to the atomization surface are different, specifically, the diameters of the openings may gradually increase along the direction from the liquid suction surface to the atomization surface, or gradually decrease along the direction from the liquid suction surface to the atomization surface. Of course, the at least two types of openings may also be in other types of holes, and the shape of the at least two types of openings is not particularly limited in this embodiment, and may be specifically set according to the oil locking and guiding performance requirements of the ceramic body.

In some embodiments, the atomization core comprises a heating element, and the heating element is combined with the atomization surface. In this embodiment, the heating element may be embedded or printed on the atomizing surface, so that the ceramic body and the heating element are integrated. Of course, in other embodiments, the heating element may be coupled to the atomization surface by other means, and the coupling manner is not particularly limited. When the atomizing core works, the ceramic body conducts the absorbed atomized liquid from the liquid absorbing surface to the atomizing surface through at least two types of openings to be contacted with the heating body, and when the heating body is electrified to generate heat, the atomized liquid in contact is heated and atomized to form aerosol which can be sucked by a user and is sucked by the user. The shape of the heating element in this embodiment is not particularly limited, and may be, for example, a grid shape, a stripe shape, an S shape, a zigzag shape, a wave shape, a zigzag shape, a spiral shape, a circular shape or a rectangular shape as long as the heating atomization of the atomized liquid of the ceramic body is achieved.

In some embodiments, the ceramic body is an internally hollow tubular structure, wherein the atomizing surface is formed on an inner circumferential surface of the tubular structure and the liquid-absorbing surface is formed on an outer circumferential surface of the tubular structure, i.e., the ceramic body is a columnar ceramic body. At this moment, the heat-generating body sets up in the inside hollow structure department of ceramic body, and combines to form a whole with the atomizing face, is convenient for heat atomizing atomized liquid. Of course, in other embodiments, the ceramic body may be a square ceramic body.

Specifically, the atomizing core is a ceramic atomizing core with a composite pore diameter, the ceramic body has at least two pore diameters with peak positions, namely, the at least two types of pores include a first type of pore 1 and a second type of pore 2, the pore diameter of the first type of pore 1 is smaller than that of the second type of pore 2, the first type of pore 1 and the second type of pore 2 are uniformly dispersed in the ceramic body, and it should be noted that the pore diameter refers to the maximum width dimension of the first type of pore 1 or the second type of pore 2.

As an example, for the convenience of understanding, in the case of a square ceramic body, when the ceramic body includes two peak pore sizes, in order to ensure that the distribution of the first type of pores 1 and the second type of pores 2 can be more reasonably distributed to achieve better oil guiding effect and avoid blockage, the arrangement of the first type of pores 1 and the second type of pores 2 is preferably: a plurality of first type openings 1 are arranged at intervals along the width direction of the square ceramic body, and a plurality of second type openings 2 are arranged at intervals along the width direction of the square ceramic body; the first type openings 1 and the second type openings 2 are arranged alternately along the length direction of the square ceramic body. At this time, the first peak pore size (i.e., the pore size of the first type of pores 1) is 3 μm to 20 μm, and the second peak pore size (i.e., the pore size of the second type of pores 2) is 5 μm to 50 μm; preferably the first peak pore size (i.e. the pore size of the first type of openings 1) is between 4 μm and 18 μm and the second peak pore size (i.e. the pore size of the second type of openings 2) is between 7 μm and 40 μm.

It should be noted that in other embodiments, the first type openings 1 and the second type openings 2 may be alternately arranged along the length direction and the width direction of the square ceramic body, respectively. In the case of a cylindrical ceramic body, the first-type openings 1 and the second-type openings 2 may be alternately arranged along a height (axial) direction and a circumferential direction of the cylindrical ceramic body, respectively.

As an example, when the square ceramic body has three peak pore sizes, the at least two types of pores further include a third type of pores, the third type of pores are distributed in the square ceramic body, and the third type of pores are distributed between the first type of pores 1 and the second type of pores 2. Specifically, in order to ensure that the distribution of the first type openings 1, the second type openings 2 and the third type openings can be more reasonably distributed, so as to achieve a better oil guiding effect and avoid blockage, the arrangement modes of the first type openings 1, the second type openings 2 and the third type openings are preferably: the plurality of first type openings 1 are arranged at intervals along the width direction of the square ceramic body, the plurality of second type openings 2 are arranged at intervals along the width direction of the square ceramic body, and the plurality of third type openings are arranged at intervals along the width direction of the square ceramic body; the first type openings 1, the second type openings 2 and the third type openings are arranged in a staggered mode at intervals along the length direction of the square ceramic body.

It should be noted that in other embodiments, the first type openings 1, the second type openings 2 and the third type openings may be alternately arranged along the length direction and the width direction of the square ceramic body, respectively. In the case of the columnar ceramic body, the first-type openings 1, the second-type openings 2, and the third-type openings may be alternately arranged at intervals along the height (axial) direction and the circumferential direction of the columnar ceramic body, respectively.

Wherein the aperture of the third type of openings is between the aperture of the first type of openings 1 and the aperture of the second type of openings 2. It should be noted that the aperture in the present embodiment refers to the largest width dimension of the first type of opening 1, the second type of opening 2 or the third type of opening. At this time, the first peak pore size (i.e., the pore size of the first type of pores 1) is 3 μm to 15 μm, the second peak pore size (i.e., the pore size of the second type of pores 2) is 7 μm to 50 μm, and the third peak pore size (i.e., the pore size of the third type of pores) is 4 μm to 20 μm; preferably the first peak pore size (i.e. the pore size of the first type of openings 1) is between 4 μm and 8 μm, the second peak pore size (i.e. the pore size of the second type of openings 2) is between 10 μm and 30 μm and the third peak pore size (i.e. the pore size of the third type of openings) is between 5 μm and 15 μm.

The advantageous effects of the present invention will be described below with reference to examples. That is, the selection of the peak position is explained below by comparative examples and examples 1 to 3. The comparative examples and examples 1 to 3 were all mercury intrusion tests.

Comparative example is a conventional ceramic atomizing core (comparative example), i.e. a ceramic with only a single peak, examples 1-3 are examples of the present invention, wherein examples 1-2 have in common that the openings comprise two peak pore sizes, except for the pore size range, porosity and thermal conductivity of the first type of openings 1 and the second type of openings 2; example 3 is a pore size with an open pore comprising three peak positions. FIGS. 2 to 5 are graphs showing the relationship between the amount of oil fed and the pore diameter in the comparative example, example 1, example 2 and example 3, respectively, with the abscissa showing the pore diameter in μm; the ordinate represents the surface oil feed in nm. Multidot.mL/g. The method comprises the following specific steps:

comparative examples

As shown in FIG. 2, the above distribution diagram shows that there is only one peak, and the aperture of the peak is 17 μm to 35 μm, that is, within 17 μm to 35 μm of the peak, the oil inlet curve increases to the peak with the increase of the aperture, and then the oil inlet decreases with the increase of the aperture. The porosity of the atomizing core at this time was 50%, and the thermal conductivity was 0.25W/m.K. The electric heating component is prepared by the method, the oil guiding speed is 1.8 mu L/s in a test, the installed taste is good, and a certain oil leakage proportion exists. At 6.5W the TPM is 7 mg/port.

Example 1

As shown in FIG. 3, the above distribution diagram shows that the above distribution diagram has two peak positions, wherein the first peak position pore size is 5 μm to 16 μm, and the second peak position pore size is 7 μm to 37 μm, respectively, i.e. the oil inlet amount curve increases to the peak value with the increase of the pore size, and then the oil inlet amount decreases with the increase of the pore size when the first peak position pore size is 5 μm to 16 μm and the second peak position pore size is 7 μm to 37 μm. The porosity of the ceramic body was 65% and the thermal conductivity was 0.15W/m.K. The electric heating component is prepared by the method, the oil guide speed is tested to be 1.5 mu L/s, the mouthfeel of the electric heating component is good, and the electric heating component does not leak oil. TPM (Total Particulate Matter) at 6.5W was 7.3 mg/port.

Referring to fig. 3, in the present embodiment, the first peak pore diameter in the range of 5 to 13 μm is set as the pore diameter of the first-type pores 1, and the second peak pore diameter in the range of 14 to 37 μm is set as the pore diameter of the second-type pores 2.

Example 2

As shown in FIG. 4, the above distribution diagram shows that the above distribution diagram has two peak positions, wherein the first peak position pore size is 5 μm to 17 μm, and the second peak position pore size is 7 μm to 40 μm, respectively, i.e. the oil inlet amount curve increases to the peak value with the increase of the pore size, and then the oil inlet amount decreases with the increase of the pore size when the first peak position pore size is 5 μm to 17 μm and the second peak position pore size is 7 μm to 40 μm. The porosity of the ceramic body was 55% and the thermal conductivity was 0.2W/m.K. The electric heating component is prepared by the method, the oil guide speed is tested to be 1.8 mu L/s, the mouthfeel of the electric heating component is good, and the electric heating component does not leak oil. At 6.5W the TPM is 7.5 mg/port.

Referring to fig. 4, in the present embodiment, the first peak pore diameter in the range of 5 to 14 μm is set as the pore diameter of the first-type pores 1, and the second peak pore diameter in the range of 15 to 40 μm is set as the pore diameter of the second-type pores 2.

Example 3

As shown in FIG. 5, the above distribution diagram shows that the above distribution diagram has three peak positions, wherein the pore diameters of the first peak position and the second peak position are respectively 5 μm to 8 μm, the pore diameter of the second peak position is 10 μm to 25 μm, and the pore diameter of the third peak position is 5 μm to 15 μm, namely, when the pore diameter of the first peak position is 5 μm to 8 μm, the pore diameter of the second peak position is 10 μm to 25 μm, and the pore diameter of the third peak position is 5 μm to 15 μm, the oil inlet amount curve increases to the peak value along with the increase of the pore diameter, and then the oil inlet amount decreases along with the increase of the pore diameter. The porosity of the ceramic body was 40% and the thermal conductivity was 0.4W/m.K. The electric heating component is prepared by the method, the oil guide speed is tested to be 2.5 mu L/s, the mouthfeel of the electric heating component is good, and the electric heating component does not leak oil. At 6.5W the TPM is 8 mg/port.

Referring to fig. 5, in the present embodiment, the first peak pore diameter in the range of 5 to 7 μm is set as the pore diameter of the first-type pores 1, the second peak pore diameter in the range of 14 to 25 μm is set as the pore diameter of the second-type pores 2, and the third peak pore diameter in the range of 8 to 13 μm is set as the pore diameter of the third-type pores.

In summary, it can be seen from the comparison of examples 1-3 with the comparative example that the TPM is higher than that of example 4 at 6.5W when the aperture of the atomizing core has at least two peaks.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. An atomizing core comprising a ceramic body, characterized in that the ceramic body has a porosity of 30 to 65% and a thermal conductivity of 0.1 to 0.8W/m-K, and the ceramic body comprises at least two types of openings arranged in a uniform distribution, the openings of the at least two types having a pore diameter of 3 μm to 50 μm, wherein the openings of one type of the at least two types have a pore diameter smaller than the pore diameter of the openings of the other type.

2. The atomizing core of claim 1, wherein the at least two types of openings include a first type of openings having a pore size ranging from 3 μ ι η to 20 μ ι η and a second type of openings having a pore size ranging from 5 μ ι η to 50 μ ι η.

3. The atomizing core of claim 2, wherein the at least two types of apertures further comprises a third type of aperture having a pore size between the pore size of the first type of aperture and the pore size of the second type of aperture.

4. The atomizing core of claim 3, wherein the first type of openings have a pore size in the range of 3 μm to 15 μm, the second type of openings have a pore size in the range of 7 μm to 50 μm, and the third type of openings have a pore size in the range of 4 μm to 20 μm.

5. The atomizing core of any one of claims 1-4, wherein the ceramic body includes an atomizing surface and an aspirating surface that are disposed in opposition, the at least two types of apertures extending from the atomizing surface to the aspirating surface.

6. The atomizing core of claim 5, wherein the at least two types of apertures include at least one of a cylindrical aperture, a trapezoidal aperture, and a tapered aperture.

7. The atomizing core according to claim 6, comprising a heat-generating body which is bonded to the atomizing surface.

8. The atomizing core according to claim 6, wherein the ceramic body is an internally hollow tubular structure, wherein the atomizing surface is formed on an inner circumferential surface of the tubular structure, and the liquid-absorbing surface is formed on an outer circumferential surface of the tubular structure.

9. An atomizer, characterized in that it comprises an atomizing core according to any one of claims 1 to 8.

10. An electronic atomizer device comprising a battery shaft and the atomizer of claim 9, said atomizer being electrically connected to said battery shaft.

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