CN215507498U - Film microgrid atomizing sheet - Google Patents
Film microgrid atomizing sheet Download PDFInfo
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- CN215507498U CN215507498U CN202121056322.XU CN202121056322U CN215507498U CN 215507498 U CN215507498 U CN 215507498U CN 202121056322 U CN202121056322 U CN 202121056322U CN 215507498 U CN215507498 U CN 215507498U
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- ring
- polyimide film
- piezoelectric ceramic
- metal ring
- thin film
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Abstract
The utility model discloses a film micro-grid atomizing sheet, and relates to the technical field of piezoelectric atomizers. The atomizing piece comprises a metal ring, a piezoelectric ceramic ring is fixed on the upper side face of the metal ring, the outer diameter of the piezoelectric ceramic ring is equal to that of the metal ring, the inner diameter of the piezoelectric ceramic ring is larger than that of the metal ring, a polyimide film piece is fixed on the inner ring of the metal ring, and micropores are formed in the polyimide film piece. The atomizing sheet has the advantages of good atomizing effect, long service life and the like.
Description
Technical Field
The utility model relates to the technical field of piezoelectric atomizers, in particular to a thin film micro-grid atomizing sheet with a good atomizing effect.
Background
At present, the atomizing sheet used by the mesh type atomizer is mainly made of stainless steel by adopting a laser drilling process, and because holes to be machined are only 2-3 mu m and the laser has the condition of unstable energy, the sizes of the drilled holes are uneven, and the yield is extremely low. Moreover, metal fragments are generated by laser drilling, and the atomized liquid possibly enters the respiratory system of a human body along with the liquid medicine in the vibration process of the atomized sheet, so that more serious infection and permanent injury are caused. Stainless steel is thicker, so most stainless steel atomizing pieces have the risk of liquid medicine blocking holes, and the quality of products is reduced. The service life of the stainless steel atomizing plate is also hidden, and better materials are required to be found to replace the stainless steel atomizing plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of how to provide a thin film micro-grid atomizing sheet with good atomizing effect.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a film microgrid atomizing piece which characterized in that: the piezoelectric ceramic metal ring is characterized by comprising a metal ring, wherein a piezoelectric ceramic ring is fixed on the upper side surface of the metal ring, the outer diameter of the piezoelectric ceramic ring is equal to that of the metal ring, the inner diameter of the piezoelectric ceramic ring is larger than that of the metal ring, a polyimide film sheet is fixed on the inner ring of the metal ring, and micropores are formed in the polyimide film sheet.
Preferably, the diameter of the polyimide film sheet is 2.8mm, the thickness of the polyimide film sheet is 0.02mm, the micropores are T-shaped holes, and the aperture of the small end of each T-shaped hole is 1.5 microns.
Preferably, the outer diameter of the polyimide film sheet is equal to the inner diameter of the piezoelectric ceramic ring.
The further technical scheme is as follows: the inner ring of the metal ring is provided with an extension part which extends downwards and inwards, the polyimide film sheet is fixed on the upper surface of the metal ring of the inner ring of the piezoelectric ceramic ring, the height of the part of the polyimide film sheet with the micropores is lower than that of the connecting part of the polyimide film sheet positioned on the outer ring, and the connecting part is fixedly connected with the upper surface of the metal ring.
Preferably, the metal ring is made of stainless steel and has a thickness of 0.1 mm.
The further technical scheme is as follows: the atomizing piece further comprises a Micro USB interface, the negative electrode of the power output end of the Micro USB interface is electrically connected with the piezoelectric ceramic ring, and the positive electrode of the power output end of the Micro USB interface is electrically connected with the metal ring.
The further technical scheme is as follows: the piezoelectric ceramic ring is provided with a mounting groove, one end of the negative electrode is mounted in the mounting groove through a wire, a connecting part extending outwards is formed on the metal ring, and one end of the positive electrode is electrically connected with the connecting part through a wire.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the method adopts the photoetching machine technology to take the polyimide film as the vibration net sheet, micropores are formed on the polyimide film, the diameter of each micropore can be 1.5 mu m, 2800 micropores are punched in the diameter range of 2.8mm, the number of the micropores is large, the number of the pores on the film is more than 3 times that of the pores on the stainless steel material, and the fogging effect is better; the polyimide film is made of a material with the thickness of 0.02mm, and the extremely thin thickness ensures that the liquid medicine cannot block micropores, so that the quality of the atomizing sheet is greatly improved; the piezoelectric ceramic ring has the frequency of 90KHz and the static capacitance of 2800pF, so that the matching degree is higher, and the overall frequency of the atomizing plate is increased to 110 KHz; adopting adhesive, carrying out corresponding process treatment, and baking at high temperature to achieve the optimal effect of atomization vibration; different circuits can be matched through the control of the height of the salient points, and the compatibility is good; still include the Micro USB interface, through the general interface of Micro USB, make it is more convenient that the connection of atomizing piece.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of an atomizing plate according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of an atomizing plate according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an atomizing plate according to an embodiment of the present invention;
wherein: 1. a metal ring; 1-1, an extension; 1-2, a connecting part; 2. a piezoelectric ceramic ring; 2-1, mounting grooves; 3. a polyimide film sheet; 3-1, a diaphragm connecting part; 4. micropores; 5. a Micro USB interface; 6. and (4) conducting wires.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to fig. 3, the embodiment of the present invention discloses a thin film micro-mesh atomizing sheet, which includes a metal ring 1, preferably, the metal ring 1 is made of stainless steel, and has a thickness of 0.1mm, it should be noted that the metal ring may also be made of other materials, and the size of the metal ring may also be other sizes; a piezoelectric ceramic ring 2 is fixed on the upper side surface of the metal ring 1, the outer diameter of the piezoelectric ceramic ring 2 is equal to the outer diameter of the metal ring 1, the inner diameter of the piezoelectric ceramic ring 2 is larger than the inner diameter of the metal ring 1, preferably, the frequency of the piezoelectric ceramic ring 2 is 90KHz, the static capacitance is 2800pF, it should be noted that the piezoelectric ceramic ring 2 can also be made of materials with other frequencies and static capacitances, and a person skilled in the art can select the piezoelectric ceramic ring according to actual conditions; the inner ring of the metal ring 1 is fixed with a polyimide film sheet 3, the polyimide film sheet 3 is formed with micropores 4, preferably, the diameter of the polyimide film sheet 3 is 2.8mm, the thickness of the polyimide film sheet is 0.02mm, the micropores 4 thereon are T-shaped holes, the aperture of the small end of the T-shaped hole is 1.5 μm, it should be noted that the diameter and the thickness of the polyimide film sheet 3 may also be other specific values, and the micropores 4 may also be specific values in other forms.
Further, as shown in fig. 3, the outer diameter of the polyimide film sheet 3 is equal to the inner diameter of the piezoelectric ceramic ring 2, and it should be noted that the outer diameter of the polyimide film sheet 3 may be slightly smaller than the inner diameter of the piezoelectric ceramic ring 2, so that the connection between the polyimide film sheet 3 and the metal ring 1 is more stable.
Further, as shown in fig. 2 and fig. 3, an extension portion 1-1 extending downward and inward is formed on the inner ring of the metal ring 1, the polyimide film sheet 3 is fixed on the upper surface of the metal ring 1 on the inner ring of the piezoelectric ceramic ring 2, the height of the portion of the polyimide film sheet 3 having the micro-holes 4 is lower than the height of the diaphragm connecting portion 3-1 of the polyimide film sheet 3 on the outer ring, and the diaphragm connecting portion 3-1 is fixedly connected with the upper surface of the metal ring 1.
Further, as shown in fig. 1 to 3, the atomizing sheet further includes a Micro USB interface 5, a negative electrode of a power output end of the Micro USB interface 5 is electrically connected to the piezoelectric ceramic ring 2, and a positive electrode of the power output end of the Micro USB interface 5 is electrically connected to the metal ring 1. Furthermore, an installation groove 2-1 is formed on the piezoelectric ceramic ring 2, one end of the negative electrode is installed in the installation groove 2-1 through a wire 6, a connection part 1-2 extending outwards is formed on the metal ring 1, and one end of the positive electrode is electrically connected with the connection part 1-2 through the wire 6.
In conclusion, the photoetching machine technology is adopted, the polyimide film is used as the vibration net piece, the micropores are formed on the vibration net piece, the diameter of each micropore can be 1.5 mu m, 2800 micropores are formed within the diameter range of 2.8mm, the number of the micropores is large, the number of the pores on the film is more than 3 times that of the pores on the stainless steel material, and the fogging effect is better; the polyimide film is made of a material with the thickness of 0.02mm, and the extremely thin thickness ensures that the liquid medicine cannot block micropores, so that the quality of the atomizing sheet is greatly improved; the piezoelectric ceramic ring has the frequency of 90KHz and the static capacitance of 2800pF, so that the matching degree is higher, and the overall frequency of the atomizing plate is increased to 110 KHz; adopting adhesive, carrying out corresponding process treatment, and baking at high temperature to achieve the optimal effect of atomization vibration; different circuits can be matched through the control of the height of the salient points, and the compatibility is good; still include the Micro USB interface, through the general interface of Micro USB, make it is more convenient that the connection of atomizing piece.
Claims (8)
1. The utility model provides a film microgrid atomizing piece which characterized in that: including becket (1), the side of going up of becket (1) is fixed with piezoceramics ring (2), the external diameter of piezoceramics ring (2) with the external diameter of becket (1) equals, the internal diameter of piezoceramics ring (2) is greater than the internal diameter of becket (1), the inner circle of becket (1) is fixed with polyimide film piece (3), be formed with micropore (4) on polyimide film piece (3).
2. The thin film microgrid atomizing plate of claim 1, wherein: the diameter of the polyimide film sheet (3) is 2.8mm, the thickness is 0.02mm, the micropores (4) on the polyimide film sheet are T-shaped holes, and the aperture of the small end of each T-shaped hole is 1.5 mu m.
3. The thin film microgrid atomizing plate of claim 1, wherein: the outer diameter of the polyimide film sheet (3) is equal to the inner diameter of the piezoelectric ceramic ring (2).
4. The thin film microgrid atomizing plate of claim 1, wherein: the inner ring of the metal ring (1) is provided with an extension part (1-1) which extends downwards and inwards, the polyimide film sheet (3) is fixed on the upper surface of the metal ring (1) of the inner ring of the piezoelectric ceramic ring (2), the height of the part, provided with the micropores (4), of the polyimide film sheet (3) is lower than that of a diaphragm connecting part (3-1) of the outer ring of the polyimide film sheet (3), and the diaphragm connecting part (3-1) is fixedly connected with the upper surface of the metal ring (1).
5. The thin film microgrid atomizing plate of claim 1, wherein: the metal ring (1) is made of stainless steel and has a thickness of 0.1 mm.
6. The thin film microgrid atomizing plate of claim 1, wherein: the atomizing piece still wraps Micro USB interface (5), the negative pole of the power output end of Micro USB interface (5) with piezoceramics ring (2) electricity is connected, the positive pole of the power output end of Micro USB interface (5) with becket (1) electricity is connected.
7. The thin film microgrid atomizing plate of claim 6, wherein: the piezoelectric ceramic ring is characterized in that a mounting groove (2-1) is formed in the piezoelectric ceramic ring (2), one end of the negative electrode is mounted in the mounting groove (2-1) through a wire (6), a connecting portion (1-2) extending outwards is formed in the metal ring (1), and one end of the positive electrode is electrically connected with the connecting portion (1-2) through the wire (6).
8. The thin film microgrid atomizing plate of claim 1, wherein: the frequency of the piezoelectric ceramic ring (2) is 90KHz, and the static capacitance is 2800 pF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056322.XU CN215507498U (en) | 2021-05-18 | 2021-05-18 | Film microgrid atomizing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056322.XU CN215507498U (en) | 2021-05-18 | 2021-05-18 | Film microgrid atomizing sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215507498U true CN215507498U (en) | 2022-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121056322.XU Active CN215507498U (en) | 2021-05-18 | 2021-05-18 | Film microgrid atomizing sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215507498U (en) |
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2021
- 2021-05-18 CN CN202121056322.XU patent/CN215507498U/en active Active
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