CN218921685U - Film ceramic atomizing core and electronic cigarette atomizer - Google Patents
Film ceramic atomizing core and electronic cigarette atomizer Download PDFInfo
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- CN218921685U CN218921685U CN202222690828.7U CN202222690828U CN218921685U CN 218921685 U CN218921685 U CN 218921685U CN 202222690828 U CN202222690828 U CN 202222690828U CN 218921685 U CN218921685 U CN 218921685U
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Abstract
The utility model provides a film ceramic atomizing core, which comprises a porous ceramic matrix and electrode plates, wherein the porous ceramic matrix comprises a main body part and a protruding part arranged on the main body part, a metal film layer is arranged on the surface of the protruding part, and the metal film layer covers the surface of the protruding part; the electrode plate is arranged on the main body part and positioned on at least one side of the protruding part, and is contacted with the metal film layer and electrically connected with the metal film layer. The thin film ceramic atomizing core provided by the utility model has the advantages of good heating uniformity and high atomizing efficiency. The utility model further provides the electronic cigarette atomizer.
Description
Technical Field
The utility model relates to the technical field of electronic cigarettes, in particular to a thin film ceramic atomizing core and an electronic cigarette atomizer.
Background
The prior porous ceramic atomizer generally adopts a mode of arranging heating wires or heating circuits on a porous ceramic body to atomize tobacco tar or tobacco paste, and has the problems of poor heating uniformity and low atomization efficiency because the heating contact area between the heating wires or the heating circuits and the porous ceramic body is small (the surface of the porous ceramic body, which is used for being in contact with the heating wires or the heating circuits, is generally in a plane structure). Meanwhile, the porous ceramic atomizer generally adopts an electrode plate to electrically connect a heating wire or a heating circuit with a power supply, the electrode plate is generally connected with the heating wire or the heating circuit in a welding mode, and the welding mode can not only increase the manufacturing flow and influence the production efficiency, but also has the risk of falling off, so that the stability of electric connection is influenced.
Disclosure of Invention
The utility model aims to provide a thin film ceramic atomizing core which is good in heating uniformity and high in atomizing efficiency.
The utility model provides a film ceramic atomizing core, which comprises a porous ceramic matrix and electrode plates, wherein the porous ceramic matrix comprises a main body part and a protruding part arranged on the main body part, a metal film layer is arranged on the surface of the protruding part, and the metal film layer covers the surface of the protruding part; the electrode plate is arranged on the main body part and positioned on at least one side of the protruding part, and is contacted with the metal film layer and electrically connected with the metal film layer.
In one implementation, the side wall of the protruding portion near to one side of the electrode plate is of an arc-shaped structure.
In one implementation, the electrode tab is embedded on the body portion.
In one implementation, the surface of the main body portion is provided with a groove, and the electrode plate is embedded in the groove.
In one implementation, the porous ceramic matrix further includes ribs disposed on the body portion, the ribs being disposed on opposite sides of the body portion; the convex edges and the convex parts are enclosed to form accommodating grooves, and the electrode plates are arranged in the accommodating grooves.
In one implementation, the protruding portion is disposed at a middle position of the main body portion; the number of the electrode plates is two, the two electrode plates are respectively positioned at two opposite sides of the protruding part, and the two electrode plates are respectively contacted with two opposite ends of the metal film layer.
In one implementation, the main body part is provided with an oil storage tank, and the oil storage tank is formed by inwards sinking the surface of the main body part; the oil storage tank and the protruding portion are located on two opposite sides of the main body portion respectively, and the position of the oil storage tank corresponds to the position of the protruding portion.
In one implementation manner, the main body part is further provided with a through groove, the through groove is formed by inwards sinking the surface of the main body part, and the through groove penetrates through the main body part; the through groove is positioned on one side of the protruding portion, which is close to the oil storage groove, and the oil storage groove is formed by inwards sinking the inner wall of the through groove.
In one possible implementation, the thickness of the metal thin film layer is 1nm to 1000nm.
The utility model also provides an electronic cigarette atomizer which comprises the thin film ceramic atomizing core.
According to the thin film ceramic atomizing core provided by the utility model, the convex part is arranged on the porous ceramic substrate, the metal thin film layer is arranged on the convex part, the contact area between the metal thin film layer and the porous ceramic substrate is large, the metal thin film layer is heated in a quasi-two-dimensional surface, the metal thin film layer can generate proper resistance on the surface of the convex part to form a surface heating effect, and meanwhile, heat can be concentrated at the position of the convex part, so that a large amount of smoke can be generated in a short time, the heating is uniform, the heating efficiency is high, and the atomizing effect is good.
Drawings
FIG. 1 is a schematic cross-sectional view of a thin film ceramic atomizing core in accordance with an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of the porous ceramic substrate of fig. 1.
Fig. 3 is a schematic diagram of the explosive structure of fig. 2.
Fig. 4 is a bottom view of fig. 2.
Fig. 5 is a schematic perspective view of a thin film ceramic atomizing core according to another embodiment of the present utility model.
Fig. 6 is a schematic perspective view of a thin film ceramic atomizing core according to another embodiment of the present utility model.
Fig. 7 is a schematic diagram of the explosive structure of fig. 6.
Fig. 8 is a schematic cross-sectional view of fig. 6.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terms upper, lower, left, right, front, rear, top, bottom and the like (if any) in the description and in the claims are used for descriptive purposes and not necessarily for describing relative positions of structures in the figures and in describing relative positions of structures. It should be understood that the use of directional terms should not be construed to limit the scope of the utility model as claimed.
As shown in fig. 1 to 3, the thin film ceramic atomizing core provided by the embodiment of the utility model comprises a porous ceramic matrix 1 and an electrode plate 3, wherein the porous ceramic matrix 1 comprises a main body 11 and a protruding part 12 arranged on the main body 11, a metal thin film layer 2 is arranged on the surface of the protruding part 12, the surface of the protruding part 12 is covered by the metal thin film layer 2, and the shape of the metal thin film layer 2 is similar to that of the protruding part 12. The electrode sheet 3 is disposed on the main body 11 and located on at least one side of the protruding portion 12, and the electrode sheet 3 is in contact with the metal thin film layer 2, thereby achieving electrical connection between the electrode sheet 3 and the metal thin film layer 2.
Specifically, the thin film ceramic atomizing core provided in this embodiment, through setting up metal film layer 2 on porous ceramic base member 1, metal film layer 2 is big with the area of contact of porous ceramic base member 1, and metal film layer 2 is the heating of accurate two-dimensional face, and metal film layer 2 can produce suitable resistance and form the face effect of generating heat at porous ceramic base member 1 surface, and it is even not only to generate heat, and the efficiency of generating heat is high moreover, and atomization effect is good, and the smog of production is fine and smooth, and the taste is stable. Meanwhile, the bulge 12 is arranged on the porous ceramic matrix 1, and the metal film layer 2 is arranged on the surface of the bulge 12, so that heat can be concentrated at the position of the bulge 12, a large amount of smoke can be generated in a short time, and the atomization efficiency is improved; meanwhile, the metal film layer 2 is arranged on the surface of the protruding part 12, the metal film layer 2 is provided with a planar protruding structure similar to the shape of the protruding part 12, and compared with the metal film layer 2 with a planar structure, the contact area between the metal film layer 2 and the porous ceramic matrix 1 is larger, the heating efficiency is higher, and therefore the atomization efficiency is further improved.
Of course, as shown in fig. 6 to 8, in other embodiments, the surface of the porous ceramic substrate 1 that is used to contact with the metal thin film layer 2 may also be a planar structure, and the metal thin film layer 2 is also a planar structure.
As shown in fig. 1 to 3, as an embodiment, the electrode sheet 3 is embedded in the main body 11.
Specifically, in this embodiment, through inlay electrode plate 3 on porous ceramic base member 1, electrode plate 3 and metal film layer 2 realize the electricity through the mode that contacts and connect for electrode plate 3 is difficult to drop, and the stability of electricity connection is high, has saved electrode plate 3 and heater or heating wire's welding operation moreover, is favorable to improving production efficiency.
As shown in fig. 2 and 3, as an embodiment, the surface of the main body 11 is provided with grooves 10, and the electrode sheet 3 is embedded in the grooves 10, so that the electrode sheet 3 can be more stably fixed on the porous ceramic substrate 1.
As shown in fig. 1 to 3, as one embodiment, the boss 12 is provided at a middle position of the main body 11. The number of electrode sheets 3 is two, and the two electrode sheets 3 are respectively used for electrically connecting with the positive electrode and the negative electrode of a power supply (not shown). The two electrode plates 3 are respectively arranged corresponding to the opposite ends of the main body 11, and the two electrode plates 3 are respectively positioned at the opposite sides of the protruding part 12, and the two electrode plates 3 are respectively contacted with the opposite ends of the metal film layer 2.
As shown in fig. 1, as an embodiment, at least part of the surface of the electrode sheet 3 is covered with the metal thin film layer 2 (i.e., the end of the electrode sheet 3 overlaps with the projection of the end of the metal thin film layer 2 in the thickness direction of the porous ceramic substrate 1), and the metal thin film layer 2 is in contact with the surface of the electrode sheet 3, thereby achieving electrical connection between the electrode sheet 3 and the metal thin film layer 2.
As shown in fig. 6 to 8, as another embodiment, the end of the electrode sheet 3 is in contact with the end of the metal thin film layer 2 (i.e., the end of the electrode sheet 3 is exactly flush with the projection of the end of the metal thin film layer 2 in the thickness direction of the porous ceramic substrate 1), thereby achieving the electrical connection between the electrode sheet 3 and the metal thin film layer 2.
As shown in fig. 1 and 2, as an embodiment, the porous ceramic body 1 has a substantially square structure, the protruding portion 12 is provided at a middle position of the main body 11 in the longitudinal direction L of the porous ceramic body 1, and the two electrode sheets 3 are respectively provided at opposite sides of the protruding portion 12 in the longitudinal direction L of the porous ceramic body 1.
As shown in fig. 3, as an embodiment, the electrode sheet 3 has a substantially rectangular structure, and at the same time, the end of the electrode sheet 3 has a zigzag structure, so that the electrode sheet 3 can be more stably fixed to the porous ceramic substrate 1. Of course, in other embodiments, the electrode sheet 3 may have other shapes, such as a T-shaped structure as shown in FIG. 7.
As shown in fig. 1 to 3, as an embodiment, the side wall of the protruding portion 12 on the side close to the electrode sheet 3 has an arc-shaped structure (specifically, may have an arc-shaped structure, an elliptical arc-shaped structure, etc.), so that the side wall of the metal film layer 2 also has an arc-shaped structure. The advantages of this arrangement are that: because the side wall of the protruding part 12 is of an arc-shaped structure, the transition at each bent angle position on the protruding part 12 is smoother, so that the metal film layer 2 can be more uniformly distributed on the surface of the protruding part 12, and the heating uniformity is improved; meanwhile, in the forming process of the metal film layer 2 (for example, in the drying process of the metal film layer 2), stress applied to the bending position of the metal film layer 2 can be reduced, so that risks of cracking, falling and the like of the metal film layer 2 in the forming process are reduced, and the integrity (continuity) and uniformity of the metal film layer 2 are improved.
As shown in fig. 1 to 3, as an embodiment, the top surface of the boss 12 has a planar structure.
As shown in fig. 5, as another embodiment, the porous ceramic substrate 1 further includes ribs 13 provided on the main body 11, the ribs 13 being provided on opposite sides of the main body 11. The convex edges 13 and the convex parts 12 are enclosed to form the accommodating grooves 14, and the electrode plates 3 are arranged in the accommodating grooves 14, so that the stability of fixing the electrode plates 3 on the porous ceramic matrix 1 is further improved.
As shown in fig. 5, as an embodiment, the ribs 13 are provided on opposite sides of the main body 11 in the width direction W of the porous ceramic substrate 1.
As shown in fig. 1 and 4, as an embodiment, the body 11 is provided with an oil reservoir 111, and the oil reservoir 111 is formed by recessing the surface of the body 11. The oil reservoir 111 and the boss 12 are located on opposite sides of the main body 11 (i.e., the oil reservoir 111 is disposed on the other side of the main body 11 with respect to the boss 12), respectively, and the position of the oil reservoir 111 corresponds to the position of the boss 12.
Specifically, by providing the oil storage tank 111 on the main body 11, and the position of the oil storage tank 111 corresponds to the position of the boss 12, the oil storage tank 111 can be used for oil storage, and the provision of the oil storage tank 111 can thin the thickness of the porous ceramic substrate 1 corresponding to the boss 12, so that the tobacco tar can quickly pass through the pores in the porous ceramic substrate 1 from the oil storage tank 111 and reach the boss 12 and the metal film layer 2, and a large amount of smoke can be generated in a short time, thereby improving the atomization efficiency of the tobacco tar.
As shown in fig. 1 and 4, as an embodiment, the body 11 is further provided with a through groove 112, the through groove 112 being formed by recessing the surface of the body 11 inward, and the through groove 112 penetrating the body 11 along the longitudinal direction L of the porous ceramic body 1. The through groove 112 is located at one side of the boss 12 near the oil storage groove 111, and the oil storage groove 111 is formed by inward recessing the inner wall of the through groove 112 (i.e., the depth of inward recessing of the oil storage groove 111 is greater than the depth of inward recessing of the through groove 112).
Specifically, the through groove 112 not only can cooperate with structures such as oil guiding cotton (not shown) (i.e. the oil guiding cotton is arranged in the through groove 112), so that oil is supplied to the porous ceramic substrate 1 through the oil guiding cotton (of course, tobacco tar can also directly drop into the through groove 112 and the oil storage groove 111), but also the through groove 112 can increase the inner surface area of the porous ceramic substrate 1, i.e. the contact area of the tobacco tar and the porous ceramic substrate 1 is increased, so that the tobacco tar can quickly permeate into each position in the porous ceramic substrate 1, and the atomization efficiency of the tobacco tar is improved.
As shown in fig. 1 and 4, as an embodiment, the inner wall of the through groove 112 has a cambered surface structure, and the through groove 112 has a semicircular groove structure, so that the shape of the through groove 112 is matched with the shape of the oil-guiding cotton, and the oil-guiding cotton can be tightly attached to the inner wall of the through groove 112.
As shown in fig. 1 and 4, as an embodiment, the inner wall of the main body 11 at the connection position of the through groove 112 and the oil storage groove 111 (i.e., at the corner position of the through groove 112 and the oil storage groove 111) has an arc surface structure, i.e., the inner wall of the through groove 112 and the inner wall of the oil storage groove 111 have a smooth transition, so that the smooth flow of the tobacco tar from the through groove 112 into the oil storage groove 111 is facilitated.
As an embodiment, the material of the metal thin film layer 2 may be gold, platinum, gold-silver alloy, silver-platinum alloy, nichrome, stainless steel alloy, etc., and the thickness of the metal thin film layer 2 is 1nm to 1000nm.
As an embodiment, the metal thin film layer 2 may be disposed on the porous ceramic substrate 1 by using a thin film micromachining technique such as magnetron sputtering vacuum plating, evaporation plating, spraying, or the like.
As an embodiment, the electrode sheet 3 may be made of nichrome, iron-chromium-aluminum alloy, stainless steel, or the like.
The embodiment of the utility model also provides a preparation method of the thin film ceramic atomizing core, which is used for manufacturing the thin film ceramic atomizing core and comprises the following steps of:
s10: the electrode plate 3 is placed in the porous ceramic slurry, the porous ceramic matrix 1 is obtained after the integrated forming and sintering of the hot-pressing injection molding, and the electrode plate 3 is embedded on the porous ceramic matrix 1.
S20: and (3) carrying out ultrasonic cleaning and drying treatment on the porous ceramic matrix 1 prepared in the step (S10), plating a metal film layer 2 on the convex part 12 of the porous ceramic matrix 1 through a film micromachining technology, and carrying out surface treatment, resistance value and film thickness detection on the metal film layer 2, thereby obtaining the film ceramic atomizing core after qualification.
The embodiment of the utility model also provides an electronic cigarette atomizer which comprises the thin film ceramic atomizing core.
According to the thin film ceramic atomizing core provided by the embodiment, the metal thin film layer 2 is arranged on the porous ceramic substrate 1, the contact area between the metal thin film layer 2 and the porous ceramic substrate 1 is large, the metal thin film layer 2 is heated by a quasi-two-dimensional surface, the metal thin film layer 2 can generate proper resistance on the surface of the porous ceramic substrate 1 to form a surface heating effect, heating is uniform, heating efficiency is high, atomization effect is good, generated smoke is fine and smooth, and taste is stable. Meanwhile, the bulge 12 is arranged on the porous ceramic matrix 1, and the metal film layer 2 is arranged on the surface of the bulge 12, so that heat can be concentrated at the position of the bulge 12, a large amount of smoke can be generated in a short time, and the atomization efficiency is improved; meanwhile, the metal film layer 2 is arranged on the surface of the protruding part 12, the metal film layer 2 is provided with a planar protruding structure similar to the shape of the protruding part 12, and compared with the metal film layer 2 with a planar structure, the contact area between the metal film layer 2 and the porous ceramic matrix 1 is larger, the heating efficiency is higher, and therefore the atomization efficiency is further improved. Meanwhile, the electrode plate 3 is embedded on the porous ceramic substrate 1, and the electrode plate 3 and the metal film layer 2 are electrically connected in a contact mode, so that the electrode plate 3 is not easy to fall off, the stability of the electrical connection is high, and the welding operation of the electrode plate 3 and a heating wire or a heating circuit is omitted, thereby being beneficial to improving the production efficiency.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The thin film ceramic atomizing core is characterized by comprising a porous ceramic matrix (1) and an electrode plate (3), wherein the porous ceramic matrix (1) comprises a main body part (11) and a protruding part (12) arranged on the main body part (11), a metal thin film layer (2) is arranged on the surface of the protruding part (12), and the surface of the protruding part (12) is covered by the metal thin film layer (2); the electrode plate (3) is arranged on the main body part (11) and is positioned on at least one side of the protruding part (12), and the electrode plate (3) is in contact with the metal film layer (2) and is electrically connected with the metal film layer (2).
2. The thin film ceramic atomizing core as set forth in claim 1, wherein the side wall of the boss (12) on the side close to the electrode sheet (3) has an arc-shaped structure.
3. The thin film ceramic atomizing core as set forth in claim 1, characterized in that the electrode sheet (3) is inlaid on the main body portion (11).
4. A ceramic atomizing core according to claim 3, characterized in that the surface of the main body (11) is provided with grooves (10), and the electrode sheet (3) is embedded in the grooves (10).
5. The thin film ceramic atomizing core as set forth in claim 1, wherein said porous ceramic substrate (1) further comprises ribs (13) provided on said main body portion (11), said ribs (13) being provided on opposite sides of said main body portion (11); the convex edges (13) and the convex parts (12) are enclosed to form accommodating grooves (14), and the electrode plates (3) are arranged in the accommodating grooves (14).
6. The thin film ceramic atomizing core according to claim 1, wherein the convex portion (12) is provided at a central position of the main body portion (11); the number of the electrode plates (3) is two, the two electrode plates (3) are respectively positioned at two opposite sides of the protruding part (12), and the two electrode plates (3) are respectively contacted with two opposite ends of the metal film layer (2).
7. The thin film ceramic atomizing core according to claim 1, wherein an oil reservoir (111) is provided on the main body (11), and the oil reservoir (111) is formed by recessing inward a surface of the main body (11); the oil storage groove (111) and the protruding portion (12) are respectively located on two opposite sides of the main body portion (11), and the position of the oil storage groove (111) corresponds to the position of the protruding portion (12).
8. The thin film ceramic atomizing core according to claim 7, wherein a through groove (112) is further provided on the main body (11), the through groove (112) is formed by inward recessing of the surface of the main body (11), and the through groove (112) penetrates through the main body (11); the through groove (112) is positioned on one side of the protruding portion (12) close to the oil storage groove (111), and the oil storage groove (111) is formed by inwards sinking the inner wall of the through groove (112).
9. The thin film ceramic atomizing core as set forth in claim 1, characterized in that the thickness of the metal thin film layer (2) is 1nm to 1000nm.
10. An electronic cigarette atomizer comprising the thin film ceramic atomizing core of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222690828.7U CN218921685U (en) | 2022-10-12 | 2022-10-12 | Film ceramic atomizing core and electronic cigarette atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222690828.7U CN218921685U (en) | 2022-10-12 | 2022-10-12 | Film ceramic atomizing core and electronic cigarette atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218921685U true CN218921685U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222690828.7U Active CN218921685U (en) | 2022-10-12 | 2022-10-12 | Film ceramic atomizing core and electronic cigarette atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218921685U (en) |
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2022
- 2022-10-12 CN CN202222690828.7U patent/CN218921685U/en active Active
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