CN212937913U - Electronic atomization device and atomization core thereof - Google Patents
Electronic atomization device and atomization core thereof Download PDFInfo
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- CN212937913U CN212937913U CN202020182678.7U CN202020182678U CN212937913U CN 212937913 U CN212937913 U CN 212937913U CN 202020182678 U CN202020182678 U CN 202020182678U CN 212937913 U CN212937913 U CN 212937913U
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Abstract
The utility model discloses an electron atomizing device and atomizing core thereof. The atomizing core comprises a porous base material and a heating circuit, wherein the porous base material is provided with a bottom surface and a side surface connected with the bottom surface; the heating circuit is combined on the bottom surface and at least part of the side surface, and the heating circuit is used for heating and atomizing the nebulizable liquid matrix at and near the porous substrate covered by the heating circuit when electrified. By providing the heat generation lines on the bottom surface and at least part of the side surfaces of the atomizing core, the atomizing area in the present embodiment is increased as compared with the case of using a single atomizing surface in the related art, so that the amount of mist can be increased. When the heating circuit on one atomization surface is damaged and an open circuit occurs, the heating circuits on the rest atomization surfaces can continue to work, so that the working reliability of the atomization core is improved; and the risk of liquid leakage at the side surface of the atomizing core can be reduced.
Description
Technical Field
The utility model relates to an electron atomization technical field, concretely relates to electron atomizing device and atomizing core thereof.
Background
The electronic atomization device stores liquid matrix such as tobacco tar inside, and the liquid matrix is heated and atomized to generate aerosol for a user to inhale. The aerosol generated by the electronic atomization device does not contain harmful components such as tar and suspended particles, and can reduce the harm to the body of a user.
At present, the atomizing core of the electronic atomizing device generally adopts the bottom surface as the atomizing surface, the atomizing area is smaller, the amount of aerial fog is small, and the atomizing effect is unsatisfactory. In order to obtain the large amount of mist, the mode of increasing the service power of the atomizing core is often adopted, but the increase of the service power of the atomizing core can cause the working temperature of the heating circuit to rise, so that the dry burning phenomenon is easily caused, the risk of damaging toxic and harmful substances is increased, and in addition, in order to obtain the high reliability of the work of the atomizing core, once one point of the heating circuit of the atomizing surface is opened, the atomizing core can be scrapped and can not work, and the service life of the electronic atomizing device is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic atomization device and atomizing core thereof to the atomizing volume of atomizing core is little among the solution prior art, the not high technical problem of operational reliability.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided an atomizing core comprising: a porous substrate having a bottom surface and a side surface connected to the bottom surface; and a heat generating circuit bonded to the bottom surface and at least a portion of the side surface, the heat generating circuit configured to generate heat when energized to heat and atomize the aerosolizable liquid matrix at the porous substrate covered by the heat generating circuit.
According to an embodiment of the present invention, the material for forming the heating line includes at least one of silver, silver palladium, gold, and platinum, and the thickness of the heating line is 0.1 μm to 10 μm.
According to a specific embodiment of the present invention, the material for forming the porous substrate includes a silicon oxide system porous ceramic, an aluminum oxide porous ceramic, a silicon carbide porous ceramic, a silicon nitride porous ceramic, an aluminum nitride porous ceramic, a cordierite porous ceramic, or a mullite porous ceramic; or the porosity of the porous substrate is 50% -70%; or the pore diameter of the micropores on the porous substrate is 10-100 μm.
According to a specific embodiment of the present invention, the heating lines are arranged in a cross-mesh manner, and the mesh diameter of the heating lines is 10 μm to 100 μm; or the heating circuit comprises a plurality of closed loops, and the closed loops are mutually connected.
According to the utility model relates to a specific embodiment, porous substrate is including the stock solution portion that is step-like setting and the portion that generates heat, the bottom surface does the portion that generates heat deviates from the surface of stock solution portion, porous substrate have with the relative top surface that sets up of bottom surface, the top surface does the stock solution portion deviates from the surface of the portion that generates heat, be equipped with the reservoir in the stock solution portion, the reservoir has and is located opening on the top surface, the reservoir is used for holding the liquid matrix that can atomize, the circuit that generates heat combine in the at least part of the portion that generates heat is on the surface.
According to an embodiment of the present invention, in a direction perpendicular to a connecting direction of the liquid storage portion and the heat generating portion, a cross-sectional dimension of the liquid storage portion is larger than a cross-sectional dimension of the heat generating portion; or the cross-sectional dimension of the liquid storage part is smaller than that of the heating part.
According to a specific embodiment of the present invention, the heat generating circuit is coupled to the bottom surface and a side surface of the heat generating portion, and a sectional area of the heat generating portion is kept constant or gradually reduced or gradually increased in a direction away from the liquid storage portion.
According to a specific embodiment of the present invention, the side surface of the heat generating portion is a cylindrical surface; or the side surface of the heating part is a plane, and two adjacent planes are mutually vertical or inclined.
According to a specific embodiment of the present invention, the reservoir extends into the heat generating portion, and does not penetrate the heat generating portion.
For solving the technical problem, the utility model discloses a another technical scheme is: the electronic atomization device comprises a power supply assembly and the atomization core, wherein the atomization core is arranged in the electronic atomization device, and the power supply assembly is electrically connected with the heating circuit of the atomization core and used for supplying power to the heating circuit.
The utility model has the advantages that: be different from prior art's condition, the embodiment of the utility model provides a through set up the heating circuit on the bottom surface and at least part side at atomizing core to utilize the heating circuit to heat the porous substrate department that is covered by the heating circuit and near can atomizing liquid matrix, for adopting single atomizing face in the correlation technique, the atomizing area increase in this embodiment, thereby can increase the fog volume. And when one of the heating lines on the bottom surface or the side surface is damaged and an open circuit occurs, the heating lines on the rest atomizing surfaces can continue to work, and when all the atomizing surfaces are all dried and burned to be open circuits, the atomizing core can be scrapped, so that the working reliability of the atomizing core can be improved. Furthermore, the heating circuit provided on at least part of the side surface can heat the nebulizable liquid matrix that has penetrated onto the side surface of the nebulizing core, so that the risk of leakage from the side surface of the nebulizing core can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
fig. 1 is a schematic perspective view of an atomizing core according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the atomizing core of FIG. 1;
fig. 3 is a schematic structural diagram of a heating circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a heating circuit according to another embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of an atomizing core in another embodiment of the present invention;
FIG. 6 is a schematic top view of the atomizing core of FIG. 5;
fig. 7 is a schematic top view of an atomizing core in another embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of the atomizing core of FIG. 7;
fig. 9 is a schematic cross-sectional structure diagram of an electronic atomization device in another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An embodiment of the present invention provides an atomizing core 100, please refer to fig. 1 and fig. 2, in which fig. 1 is a schematic perspective view of an atomizing core in an embodiment of the present invention, and fig. 2 is a schematic sectional view of the atomizing core in fig. 1. The atomizing core 100 includes a porous base material 10 and a heat generating circuit 20. The porous substrate 10 has a bottom surface 14 and a side surface 16 connected to the bottom surface 14. The heat generating circuit 20 is coupled to the bottom surface 14 and at least a portion of the side surface 16, and the heat generating circuit 20 is configured to generate heat when energized to heat and atomize the aerosolizable liquid matrix at the porous substrate 10 covered by the heat generating circuit 20.
The embodiment of the present invention provides an atomizing area is increased for adopting a single atomizing surface in the related art by providing the heating line 20 on the bottom surface 14 and at least part of the side surface 16 of the atomizing core 100 and heating the porous base material 10 covered by the heating line 20 and the nebulizable liquid matrix near the porous base material, thereby increasing the amount of mist. When one of the heating lines 20 on the bottom surface 14 or the side surface 16 is damaged and an open circuit occurs, the heating lines 20 on the rest atomizing surfaces can continue to work, and when all the atomizing surfaces are completely dry-burned and open circuits are formed, the atomizing core 100 can be scrapped, so that the working reliability of the atomizing core 100 can be improved. Furthermore, the heating circuit 20 provided on at least part of the side surface 16 may heat the nebulizable liquid matrix that has penetrated onto the side surface 16 of the nebulizing core 100, so that the risk of leakage from the side surface 16 of the nebulizing core 100 may be reduced.
In particular, in this embodiment, a liquid storage tank 11 is provided on the porous substrate 10, and the liquid storage tank 11 may be communicated with a liquid storage cavity of the electronic atomization device, and the liquid storage cavity is used for storing an atomization-possible liquid matrix, such as tobacco tar. The reservoir 11 is for containing an aerosolizable liquid matrix. Due to the liquid-conducting properties of the porous substrate 10, the nebulizable liquid matrix located in the reservoir 11 may leak towards the surface of the porous substrate 10 facing away from the reservoir 11. The heating circuit 20 is disposed on the bottom surface 14 and at least a portion of the side surface 16 of the porous substrate 10 facing away from the reservoir 11, and when the heating circuit 20 heats up, the nebulizable liquid matrix leaking to and near the area covered by the heating circuit 20 is heated to form an aerosol.
Optionally, the heat generating circuit 20 may be combined on one of the side surfaces 16 of the atomizing core 100, or may be combined on two of the oppositely disposed side surfaces 16 of the atomizing core 100, or may be combined on all the side surfaces 16 of the atomizing core 100, and the embodiment of the present invention does not specifically limit the number of the side surfaces 16 of the atomizing core 100 and the number of the side surfaces 16 on which the heat generating circuit 20 is disposed, and may be flexibly disposed as required. For example, in one embodiment, the side surface 16 of the porous substrate 10 may be a cylindrical surface, and the heat generating circuit 20 is disposed on a portion of the cylindrical surface. In another embodiment, the side surface 16 of the porous substrate 10 may be a plurality of planes, and the heat generating circuit 20 is disposed on at least one of the plurality of planes. In yet another embodiment, the side surface 16 of the porous substrate 10 may further include curved surfaces and flat surfaces, which are connected to each other, and the heat generating line 20 is disposed on at least one of the curved surfaces or the flat surfaces.
Wherein the porous substrate 10 is made of a material having a porous structure. The porous ceramic has stable chemical property and can not generate chemical reaction with the atomized liquid matrix; the porous ceramic can resist high temperature and cannot deform due to overhigh heating temperature; the porous ceramic is an insulator and does not electrically connect with the heating line 20 formed thereon to cause a short circuit; the porous ceramic is convenient to manufacture and low in cost. Thus, in the present embodiment, porous ceramics are selected for the porous substrate 10. And specifically can be for silicon oxide system porous ceramic, alumina porous ceramic, silicon carbide porous ceramic, silicon nitride porous ceramic, aluminum nitride porous ceramic, cordierite porous ceramic or mullite porous ceramic etc., the utility model discloses do not carry out specific injecing to porous substrate 10's material.
Alternatively, the porous substrate 10 has a porosity of 50% to 70%. Porosity refers to the ratio of the total volume of micro-voids within a porous medium to the total volume of the porous medium. The porosity can be adjusted according to the components of the tobacco juice, for example, when the viscosity of the tobacco juice is high, the porosity is high, so that the liquid guiding effect is ensured.
In specific embodiments, the porosity of the porous substrate 10 may be set to 50-65%, 50-60%, 50-55%, 55-65%, 55-60%, or 60-70%, etc., and the embodiments of the present invention are not limited in particular.
Alternatively, the pores on the porous substrate 10 have a pore size of 10 μm to 100 μm. For example, in particular embodiments, the pores on the porous substrate 10 may have a pore size of 10 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, 100 μm, or the like.
Above optional embodiment, through setting up that density is suitable, the size is suitable, pore diameter and the proportion of the micropore that distributes evenly, can be so that the drain of porous substrate 10 is even, and it is smooth and easy to descend liquid, and atomization effect is better.
Alternatively, the material for forming the heating line 20 includes at least one of silver, silver palladium, gold, and platinum.
The heating circuit 20 may be bonded to the surface of the porous substrate 10 by thick film printing or thin film sputtering, so as to improve the manufacturing efficiency of the heating circuit 20, improve the bonding force between the heating circuit 20 and the porous substrate 10, and prevent the heating circuit 20 from falling off during the use.
Alternatively, the thickness of the heat generating circuit 20 is 0.1 μm to 10 μm. Here, the thickness of the heat generating line 20 refers to a height at which the heat generating line 20 protrudes from the surface of the porous base material 10. For example, in a specific embodiment, the thickness of the heat generating circuit 20 may be 0.1 μm, 0.5 μm, 1 μm, 1.5 μm, 2 μm, 2.5 μm, 3 μm, 3.5 μm, 4 μm, 4.5 μm, 5 μm, 5.5 μm, 6 μm, 6.5 μm, 7 μm, 7.5 μm, 8 μm, 8.5 μm, 9 μm, 9.5 μm, 10 μm, or the like.
Further, as shown in fig. 3, fig. 3 is a schematic structural diagram of the heating circuit in an embodiment of the present invention. In this embodiment, the heating circuit 20 is disposed in a cross-mesh manner, and the heating circuit 20 disposed in the cross-mesh manner can make the heating circuit 20 uniformly distributed, so that the atomization effect of the atomization core 100 is more uniform. Meanwhile, the density of the mesh heating circuit 20 is high, so that the effective atomization area is increased, the capacity loss is reduced, and the effective power of the atomization core 100 is improved. Moreover, the nodes of the heating lines 20 which are crossed in a net shape are more, and when one of the heating lines 20 is damaged and broken, the adjacent heating line 20 can also work through the adjacent heating line 20, so that the area of the open heating line 20 is smaller, and the influence on the atomizing core 100 is smaller.
Alternatively, the mesh diameter of the heat generating circuit 20 is 10 μm to 100 μm. Wherein, the mesh diameter of the heat generating circuit 20 refers to the diameter of the circumscribed circle of each mesh unit. The diameter of the circumscribed circle of each mesh unit is set to 10 μm to 100 μm, so that the atomization effect of the mesh-shaped heat generation line 20 can be made good.
In a specific embodiment, the diameter of the circumscribed circle of each mesh unit may be set to be 10 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, or 100 μm, etc., and the embodiment of the present invention is not particularly limited.
Optionally, the mesh diameters of the heating lines 20 on the same surface may be equal or different, and the mesh diameters of the heating lines 20 on different surfaces may be equal or different, and may be flexibly set as required.
Because gravity causes more of the nebulizable liquid matrix on the bottom surface 14 of the porous substrate 10 than on the side surface 16, in one embodiment, the heating element 20 on the bottom surface 14 of the porous substrate 10 can be configured to have a smaller mesh diameter than the heating element 20 on the side surface 16 to increase the rate of nebulization of the nebulizable liquid matrix on the bottom surface 14.
In another embodiment, as shown in fig. 4, fig. 4 is a schematic structural diagram of a heating circuit in another embodiment of the present invention. The heating line 20 includes a plurality of closed loops, and the plurality of closed loops are connected to each other. Specifically, in the embodiment shown in fig. 3, the heat generating line 20 is composed of a plurality of heat generating wires having a relatively small diameter. In the embodiment, the heat generating circuit 20 includes a plurality of interconnected heat generating sheets, the heat generating sheets are arranged in a ring shape, and at least part of the heat generating sheets of adjacent ring heat generating sheets are shared to form a plurality of closed loops connected to each other. With this arrangement, the width of the heat generating sheet can be increased to reduce the resistance of the heat generating circuit 20 and reduce energy loss, and the strength of the single heat generating circuit 20 can be increased to extend the life of the heat generating circuit 20.
Further, as shown in fig. 1 and fig. 2, in the present embodiment, the porous substrate 10 includes a liquid storage portion 13 and a heat generating portion 15, which are arranged in a step shape, a bottom surface 14 is a surface of the heat generating portion 15 facing away from the liquid storage portion 13, the porous substrate 10 has a top surface 12 arranged opposite to the bottom surface 14, the top surface 12 is a surface of the liquid storage portion 13 facing away from the heat generating portion 15, the liquid storage tank 11 is arranged on the liquid storage portion 13, the liquid storage tank 11 has an opening on the top surface 12, the liquid storage tank 11 is used for accommodating the liquid substrate that can be atomized, and the heat generating circuit 20 is combined on at least a part of.
Specifically, in the direction perpendicular to the connecting direction of the liquid storage portion 13 and the heat generating portion 15, as indicated by an arrow D in fig. 2, the sectional dimension of the liquid storage portion 13 is not equal to the sectional dimension of the heat generating portion 15 to form the porous substrate 10 in a stepped shape. By providing the porous substrate 10 in a stepped shape, it is possible to facilitate processing of the heating line 20 on the one hand and mounting of the porous substrate 10 on the other hand.
In the present embodiment, the cross-sectional dimension of the liquid storage portion 13 may be larger than the cross-sectional dimension of the heat generating portion 15 in the direction perpendicular to the connecting direction of the liquid storage portion 13 and the heat generating portion 15, so as to increase the volume of the liquid storage portion 13, thereby facilitating storage of a larger volume of the nebulizable liquid matrix.
Alternatively, in another embodiment, the cross-sectional dimension of the reservoir 13 may be smaller than the cross-sectional dimension of the heat generating portion 15 in a direction perpendicular to the connecting direction of the reservoir 13 and the heat generating portion 15 to increase the coverage area of the heat generating circuit 20 and increase the amount of mist.
Further, in the present embodiment, the heat generating circuit 20 is formed on the bottom surface 14 of the heat generating portion 15 and all the side surfaces 16 connected between the bottom surface 14 and the surface of the liquid reservoir portion 13 to increase the area of the atomizing surface.
In the present embodiment, as shown in fig. 1 and 2, the side surface of the heat generating portion 15 may be a flat surface to form the heat generating portion 15 in a prism shape.
Further, when the side surface of the heat generating portion 15 includes a plurality of planes, two adjacent planes may be perpendicular to each other to form a rectangular cross section; two adjacent planes can also be arranged in a relatively inclined manner to form other regular or irregular polygonal cross sections, and the embodiment of the present invention is not particularly limited.
Alternatively, in another embodiment, as shown in fig. 5 and 6, fig. 5 is a schematic sectional view of an atomizing core in another embodiment of the present invention, and fig. 6 is a schematic top view of the atomizing core in fig. 5. The side surface of the heat generating portion 15 may be a cylindrical surface to form the cylindrical heat generating portion 15. The cylindrical side surface of the heat generating portion 15 facilitates the processing and manufacturing of the heat generating circuit 20, and increases the coverage area of the heat generating circuit 20.
Alternatively, the cross-sectional shape of the reservoir portion 13 and the cross-sectional shape of the heat generating portion 15 may be the same or different in a direction perpendicular to the connecting direction of the reservoir portion 13 and the heat generating portion 15.
For example, in one embodiment, the cross-sectional shape of the reservoir 13 is the same as the cross-sectional shape of the heat generating portion 15. Specifically, as shown in fig. 1, the cross-sectional shape of the liquid reservoir 13 is rectangular and the cross-sectional shape of the heat generating portion 15 is rectangular in a direction perpendicular to the connecting direction of the liquid reservoir 13 and the heat generating portion 15. The heat generating line 20 may be formed by sputtering on the bottom surface 14 and all the side surfaces 16 of the heat generating portion 15 by means of thin film sputtering.
Alternatively, in another embodiment, the cross-sectional shape of the reservoir portion 13 and the cross-sectional shape of the heat generating portion 15 are different. Specifically, as shown in fig. 5 and 6, the cross-sectional shape of the liquid reservoir 13 is rectangular and the cross-sectional shape of the heat generating portion 15 is circular in a direction perpendicular to the connecting direction of the liquid reservoir 13 and the heat generating portion 15. The heat generating circuit 20 may be formed by printing on the bottom surface 14 and all the side surfaces 16 of the heat generating portion 15 by a thick film printing process.
Further, as shown in fig. 2 and 5, the cross-sectional area of the heat generating portion 15 is kept constant in the direction away from the liquid reservoir 13, and the heat generating circuit 20 is coupled to the surface of the heat generating portion 15 away from the liquid reservoir 13 and the side surface 16 of the heat generating portion 15.
Specifically, in the present embodiment, the side surface 16 of the heat generating portion 15 is disposed perpendicularly to the bottom surface 14 so that the cross-sectional area of the heat generating portion 15 is kept constant in a direction away from the liquid reservoir portion 13. By providing the heat generating portion 15 with a cross-sectional area that remains constant in a direction away from the liquid reservoir 13, the heat generating circuit 20 can be easily processed. In another embodiment, as shown in fig. 7 and 8, fig. 7 is a schematic top view of an atomizing core in another embodiment of the present invention, and fig. 8 is a schematic cross-sectional view of the atomizing core in fig. 7. The cross-sectional area of the heat generating portion 15 is gradually reduced in a direction away from the liquid reservoir 13, and the heat generating circuit 20 is coupled to the bottom surface 14 of the heat generating portion 15 away from the liquid reservoir 13 and the side surface 16 of the heat generating portion 15.
Specifically, in the present embodiment, the cross-sectional shape of the liquid reservoir 13 is rectangular in the direction perpendicular to the connecting direction of the liquid reservoir 13 and the heat generating portion 15, the cross-sectional shape of the heat generating portion 15 is rectangular, and the cross-sectional shape of the heat generating portion 15 is trapezoidal in the direction parallel to the connecting direction of the liquid reservoir 13 and the heat generating portion 15 to form a trapezoidal columnar structure. The heat generating line 20 may be formed by sputtering on the bottom surface 14 and all the side surfaces 16 of the heat generating portion 15 by means of thin film sputtering.
Alternatively, in another embodiment, the cross-sectional area of the heat generating portion 15 may be gradually increased in a direction away from the reservoir portion 13, and the heat generating line 20 may be coupled to the bottom surface 14 of the heat generating portion 15 away from the reservoir portion 13 and the side surface 16 of the heat generating portion 15. By providing the heating portion 15 with a gradually increasing cross-sectional area, the coverage area of the heating line 20 can be increased, and the amount of mist can be increased.
Further, as shown in fig. 6 and 7, the atomizing core 100 further includes an electrode 17, and the electrode 17 is connected to the heating line 20 for conducting the heating line 20 to a power supply component (not shown).
The material used for forming the electrode 17 is generally a metal material with low resistivity, such as gold or silver, and the present invention is not limited in particular. In the present embodiment, silver is selected as the electrode 17, which not only has good conductivity, but also has relatively low cost.
Alternatively, in the present embodiment, the number of the electrodes 17 is two, and the two electrodes 17 are respectively located on opposite sides of the heat generating portion 15 and are electrically connected to the heat generating lines 20 respectively located on opposite side surfaces of the heat generating portion 15. In another embodiment, the number of electrodes 17 may also be one.
Further, as shown in fig. 2, the reservoir 11 may be provided only in the reservoir portion 13, or the reservoir 11 may extend into the heat generating portion 15 without penetrating the heat generating portion 15. By the arrangement, the distance between the bottom surface 14 of the atomizing core 100 and the bottom wall of the liquid storage tank 11 can be shortened, so that the transmission path of the atomized liquid matrix is shortened, the transmission resistance of the atomized liquid matrix is reduced, and the liquid discharge is facilitated.
Referring to fig. 9, fig. 9 is a schematic cross-sectional view of an electronic atomizer according to another embodiment of the present invention. The utility model discloses another aspect provides an electronic atomization device 200, electronic atomization device 200 includes power supply module 210 and atomizing core 220, and power supply module 210 is connected with the circuit electricity that generates heat of atomizing core 220 for the circuit power supply that generates heat.
The structure of the atomizing core 220 in this embodiment is the same as the structure of the atomizing core 100 in the above embodiment, please refer to the description in the above embodiment, and the description thereof is omitted here.
As can be readily understood by those skilled in the art, in the embodiment of the present invention, the heat generating circuit 20 is disposed on the bottom surface 14 and at least a portion of the side surface 16 of the atomizing core 100, and the heat generating circuit 20 is used to heat the nebulizable liquid matrix at and near the porous substrate 10 covered by the heat generating circuit 20, so that the atomization area in the embodiment is increased compared to the case of using a single atomization surface in the related art, thereby increasing the amount of mist. When one of the heating lines 20 on the bottom surface 14 or the side surface 16 is damaged and an open circuit occurs, the heating lines 20 on the rest atomizing surfaces can continue to work, and when all the atomizing surfaces are completely dry-burned and open circuits are formed, the atomizing core 100 can be scrapped, so that the working reliability of the atomizing core 100 can be improved. Furthermore, the heating circuit 20 provided on at least part of the side surface 16 may heat the nebulizable liquid matrix that has penetrated onto the side surface 16 of the nebulizing core 100, so that the risk of leakage from the side surface 16 of the nebulizing core 100 may be reduced.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. An atomizing core, comprising:
a porous substrate having a bottom surface and a side surface connected to the bottom surface; and
a heat generating line coupled to the bottom surface and at least a portion of the side surface, the heat generating line configured to generate heat when energized to heat and atomize the aerosolizable liquid matrix at the porous substrate covered by the heat generating line.
2. The atomizing core according to claim 1, wherein the material of the heat-emitting line includes silver, silver palladium, gold, or platinum, and the thickness of the heat-emitting line is 0.1 μm to 10 μm.
3. The atomizing core of claim 1, wherein the material of the porous substrate comprises a silica-system porous ceramic, an alumina porous ceramic, a silicon carbide porous ceramic, a silicon nitride porous ceramic, an aluminum nitride porous ceramic, a cordierite porous ceramic, or a mullite porous ceramic; or
The porosity of the porous substrate is 50% -70%; or
The pore diameter of the micropores on the porous substrate is 10-100 μm.
4. The atomizing core according to claim 1, wherein the heating lines are arranged in a cross-like manner in a net shape, and the mesh diameter of the heating lines is 10 μm to 100 μm; or
The heating circuit comprises a plurality of closed loops, and the closed loops are mutually connected.
5. The atomizing core according to any one of claims 1 to 4, wherein the porous substrate includes a liquid storage portion and a heat generating portion which are arranged in a stepped shape, the bottom surface is a surface of the heat generating portion facing away from the liquid storage portion, the porous substrate has a top surface arranged opposite to the bottom surface, the top surface is a surface of the liquid storage portion facing away from the heat generating portion, a liquid reservoir is provided on the liquid storage portion, the liquid reservoir has an opening on the top surface, the liquid reservoir is used for containing an aerosolizable liquid matrix, and the heat generating circuit is bonded to at least a part of a surface of the heat generating portion.
6. The atomizing core according to claim 5, characterized in that, in a direction perpendicular to a connecting direction of the reservoir portion and the heat generating portion, a sectional dimension of the reservoir portion is larger than a sectional dimension of the heat generating portion; or
The cross-sectional dimension of the liquid storage part is smaller than that of the heating part.
7. The atomizing core according to claim 5, wherein the heat generating line is bonded to the bottom surface and a side surface of the heat generating portion, and a sectional area of the heat generating portion is kept constant or gradually reduced or gradually increased in a direction away from the liquid reservoir portion.
8. The atomizing core according to claim 5, characterized in that the side surface of the heat generating portion is a cylindrical surface; or
The side surface of the heating part is a plane, and two adjacent planes are mutually vertical or inclined.
9. The atomizing core of claim 5, wherein the reservoir extends into the heat-generating portion and does not extend through the heat-generating portion.
10. An electronic atomizer, characterized in that, said electronic atomizer comprises a power supply assembly and an atomizing core according to any one of claims 1-9, said power supply assembly is electrically connected with a heat-generating circuit of said atomizing core for supplying power to said heat-generating circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020182678.7U CN212937913U (en) | 2020-02-17 | 2020-02-17 | Electronic atomization device and atomization core thereof |
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| CN202020182678.7U CN212937913U (en) | 2020-02-17 | 2020-02-17 | Electronic atomization device and atomization core thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037079A1 (en) * | 2022-08-17 | 2024-02-22 | 海南摩尔兄弟科技有限公司 | Electronic atomization device, and atomizer and atomization core thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037079A1 (en) * | 2022-08-17 | 2024-02-22 | 海南摩尔兄弟科技有限公司 | Electronic atomization device, and atomizer and atomization core thereof |
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