CN209362832U - A kind of Piezoelectric anisotropy diaphragm and ultrasonic atomizatio piece - Google Patents
A kind of Piezoelectric anisotropy diaphragm and ultrasonic atomizatio piece Download PDFInfo
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- CN209362832U CN209362832U CN201821838050.7U CN201821838050U CN209362832U CN 209362832 U CN209362832 U CN 209362832U CN 201821838050 U CN201821838050 U CN 201821838050U CN 209362832 U CN209362832 U CN 209362832U
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Abstract
A kind of Piezoelectric anisotropy diaphragm and ultrasonic atomizatio piece; the Piezoelectric anisotropy diaphragm includes a lamination electric layer, the electrode layer for being separately positioned on the piezoelectric layer two sides for two layers and one layer of protective layer being coated on the outside of the electrode layer and piezoelectric layer; multiple through-holes are offered on the piezoelectric layer, the piezoelectric layer is the 1-3 type Piezoelectric anisotropy layer formed by Kynoar and ceramic powder.The ultrasonic atomizatio piece includes a taper platform outer cover, at least two spaced Piezoelectric anisotropy diaphragms, at least one the atomization chamber between two adjacent Piezoelectric anisotropy diaphragms is set, the entrance of one major diameter side that the taper platform outer cover is set, and the outlet of a minor diameter side that the taper platform outer cover is set, two Piezoelectric anisotropy diaphragms are at least arranged in the ultrasonic atomizatio piece, increase out mist rate.
Description
Technical field
The utility model belongs to liquid atomization and piezoelectric diaphragm technical field, especially a kind of Piezoelectric anisotropy diaphragm and ultrasound
Atomizing piece.
Background technique
Ultrasonic ultrasonic delay line memory will be between liquid water molecules by the high-frequency resonant of ceramic atomizing piece using electronics high frequency oscillation
Hydrogen bond open as far as possible, to form the water mist freely spread.The process is not required to heat or add any chemical reagents, energy conservation
Environmental protection can save nearly 90% energy compared with heating atomization mode.In the prior art, the structure of piezoelectric ultrasonic atomization piece
Mainly in the following way: single-layer metal double-layer ceramic piece sandwich and single-layer metal layered ceramic chip.
Existing atomizing piece is that metallic membrane is welded on the edge of piezoelectric ceramic piece mostly, uniformly distributed on metallic membrane
Micropore.Piezoelectric ceramic piece is two-sided silver electrode.Wherein, metallic membrane is welded on piezoelectric ceramic piece edge, due to atomizing piece
Vibrating elements separated with vibration source, thus vibrational energy is inevitable in transmitting is lost, and device efficiency exists certain
Problem, and stress is concentrated obviously at solder joint, this will affect the input power, nebulization efficiency and service life of atomizer.Meanwhile
Since piezoelectric patches is very thin, influenced by processing fault or surface contamination, the silver electrode of piezoelectric patches two sides is easy to happen contact and makes
At short circuit.Therefore, existing atomizing piece there are service lifes it is short, atomization quantity is small, efficiency is relatively low the disadvantages of.
Utility model content
In view of this, the present invention provides a kind of ultrasonic atomizatio pieces and Piezoelectric anisotropy film that can increase mist rate out
Piece, to meet industrial requirement.
A kind of Piezoelectric anisotropy diaphragm comprising a lamination electric layer, the electrode for being separately positioned on the piezoelectric layer two sides for two layers
Layer and one layer of protective layer being coated on the outside of the electrode layer and piezoelectric layer.Multiple through-holes are offered on the piezoelectric layer.
The electrode layer is covered on the two sides on the through-thickness of the piezoelectric layer, and between the edge of the electrode layer and the through-hole
Every setting.The piezoelectric layer is the 1-3 type Piezoelectric anisotropy layer formed by Kynoar and ceramic powder.
Further, the material of the protective layer is epoxy resin.
Further, the through-hole is square hole.
Further, the through-hole is in array distribution.
Further, the through-hole wall wraps up the protective layer.
Further, the area of the electrode layer is less than the area of piezoelectric layer.
A kind of ultrasonic atomizatio piece comprising a taper platform outer cover, at least two are arranged at intervals on the taper platform
Piezoelectric anisotropy diaphragm in outer cover, at least one the atomization chamber between two adjacent Piezoelectric anisotropy diaphragms is set, one
The minor diameter of the taper platform outer cover is arranged in the entrance of a major diameter side that the taper platform outer cover is arranged in and one
The outlet of side.The liquid enters from the entrance, and the liquid after atomization is sprayed from outlet.
Further, there are two the Piezoelectric anisotropy diaphragms for the ultrasonic atomizatio piece setting.
Further, the aperture of the through-hole on the Piezoelectric anisotropy diaphragm of the outlet is less than the pressure close to the entrance
The aperture of through-hole on electric compound film sheet.
Compared with prior art, Piezoelectric anisotropy diaphragm provided by the utility model is using described by Kynoar and piezoelectricity
The piezoelectric layer for the 1-3 type Piezoelectric anisotropy layer production that ceramic powders are formed is as ultrasonic wave generating source, so that in the piezoelectric layer no longer
Intermediate member used as energy transmission can directly transmit vibrational energy, to improve the Piezoelectric anisotropy diaphragm
Efficiency, and the component failure caused by avoiding due to solder joint failure, short circuit etc., and then improve the Piezoelectric anisotropy
The service life of diaphragm.In addition, ultrasonic atomizatio piece provided by the utility model is by being at least arranged two Piezoelectric anisotropy films
Piece liquefies liquid repeatedly, improves liquefied efficiency, and liquid from the entrance of the major diameter side of the taper platform outer cover into
Enter, flowed out from the outlet of the minor diameter side of the taper platform outer cover, so that being made every effort to promote using the internal pressure of fluid sprays water mist, is increased
Go out mist rate greatly.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of ultrasonic atomizatio piece provided by the utility model.
Fig. 2 is had the schematic cross-sectional view of Piezoelectric anisotropy diaphragm by Fig. 1 ultrasonic atomizatio piece.
Fig. 3 is the positive structure schematic of the Piezoelectric anisotropy diaphragm of Fig. 2.
Specific embodiment
Specific embodiment of the utility model is further elaborated below.It should be understood that herein to this
The explanation of utility model embodiment is not used to limit the protection scope of the utility model.
It as shown in Figure 1 to Figure 3, is structural schematic diagram provided by the utility model.The ultrasonic atomizatio piece includes one
Taper platform outer cover 40, at least two be arranged at intervals in the taper platform outer cover 40 Piezoelectric anisotropy diaphragm 50, at least one sets
The atomization chamber 60 between two adjacent Piezoelectric anisotropy diaphragms 50 is set, one is arranged in the big of the taper platform outer cover 40
The outlet 80 of the minor diameter side of the taper platform outer cover 40 is arranged in the entrance 70 of diameter side and one.The ultrasound
Atomizing piece further includes other some functional modules, such as organizes arrangement, skill that should be known to those skilled in the art
Art is no longer described in detail one by one herein.
The taper platform outer cover 40 is for being arranged installation or the fixed Piezoelectric anisotropy diaphragm 50.The taper platform outer cover 40
Section it is trapezoidal, therefore there are two opening, i.e. minor diameter opening and a major diameter openings for its tool, to form setting
Entrance 70 in the major diameter side of the taper platform outer cover 40, and the minor diameter side of the taper platform outer cover 40 is set
Outlet 80.The taper platform outer cover 40 can be made from a material that be electrically non-conductive, such as plastics.
The Piezoelectric anisotropy diaphragm 50 includes a lamination electric layer 10, is separately positioned on 10 two sides of piezoelectric layer for two layers
Electrode layer 20 and one layer of protective layer 30 being coated on the outside of the electrode layer 20 and piezoelectric layer.
Multiple through-holes 11 are offered on the piezoelectric layer 10.The piezoelectric layer 10 is by Kynoar and piezoelectric ceramic powder
The 1-3 type Piezoelectric anisotropy layer that end is formed.It is well known that 1-3 type piezo-electricity composite material be by one-dimensional connection piezoelectric phase in parallel
It is arranged in the two-phase piezo-electricity composite material constituted in the polymer of three-dimensional communication, one-way performance is prominent, fibrous functive axis
To performance be much larger than other directions performance.When the 1-3 type piezo-electricity composite material uses ceramic powder as vibration source,
And contain Kynoar in it, so that the piezoelectric layer 10 has certain flexibility, therefore the piezoelectric layer 10 can directly serve as vibration
Dynamic diaphragm, i.e., its directly the vibrational energy of piezoelectric ceramics is transmitted on the drop for investing surface.Since the piezoelectric layer 10 is free of
There are the intermediate member for being used as transmitting vibrational energy in the prior art, i.e. metallic membrane, so as to greatly improve the piezoelectric layer
10 energy efficiency.Component failure caused by avoiding due to solder joint failure, short circuit etc. simultaneously, and then improve described
The service life of Piezoelectric anisotropy diaphragm 50.The shape of the through-hole 11 can set according to user demand, in the present embodiment institute
It states through-hole 11 and is square hole, and be in array distribution.
The electrode layer 20 is covered on the two sides on the through-thickness of the piezoelectric layer 10, and the side of the electrode layer 20
Edge and the through-hole 11 interval are arranged, exposed to avoid the electrode layer 20.The area of the electrode layer 20 is less than piezoelectric layer 10
Area to guarantee range of the electrode layer 20 without departing from the piezoelectric layer 10, and then prevents the Piezoelectric anisotropy film
The damage of piece 50.
The material of the protective layer 30 can be epoxy resin, for protecting the piezoelectric layer 10 and the electrode layer 20.
The protective layer 30 is wrapped in the entire outside of the electrode layer 20 and piezoelectric layer 10, the inner wall including through-hole 11, for electrical
The electrode layer 20 that insulate is electrically connected with extraneous.
Described two intervals of Piezoelectric anisotropy diaphragm 50 are arranged to form the atomization chamber 60, it is contemplated that described super
Sound atomizing piece can have more Piezoelectric anisotropy diaphragms 50, such as three or more, and form more atomization chambers 60.Described two
A Piezoelectric anisotropy diaphragm 50 uses two-level architecture of different sizes, i.e., up-small and down-big, and is through-hole structure, i.e., each piezoelectricity is multiple
Closing diaphragm 50 all has multiple through-holes 11.When liquid enters atomization chamber 60 from entrance 70, first answered by the piezoelectricity of aperture larger part
It closes diaphragm 50 and carries out ultrasonic atomizatio, subsequently enter atomization chamber 60.And 60 entrance of atomization chamber is big, outlet is small, thus be conducive to water
Mist has certain pressure in exit, can efficiently and quickly escape outward.The hole of the Piezoelectric anisotropy diaphragm 50 of outlet end
Diameter is smaller, droplet can be made further to refine.
Compared with prior art, Piezoelectric anisotropy diaphragm provided by the utility model is using described by Kynoar and piezoelectricity
The piezoelectric layer 10 for the 1-3 type Piezoelectric anisotropy layer production that ceramic powders are formed is used as ultrasonic wave generating source.So that in the piezoelectric layer 10
Vibrational energy can directly be transmitted as the intermediate member of energy transmission by not using, to improve the Piezoelectric anisotropy film
The efficiency of piece, and the component failure caused by avoiding due to solder joint failure, short circuit etc., and then improve the piezoelectricity
The service life of compound film sheet.In addition, ultrasonic atomizatio piece provided by the utility model is multiple by the way that two piezoelectricity are at least arranged
Diaphragm 50 is closed, liquid is liquefied repeatedly, improves liquefied efficiency.While major diameter one of the liquid from the taper platform outer cover 40
The entrance 70 of side enters, and flows out from the outlet 80 of the minor diameter side of the taper platform outer cover 40, thus to utilize fluid
Internal pressure, which is made every effort to promote, sprays water mist, increases mist rate out.
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Bibliography: " influence of the piezoelectric ceramics with respect to 1-3 type piezo-electricity composite material performance ".
Claims (9)
1. a kind of Piezoelectric anisotropy diaphragm, it is characterised in that: the Piezoelectric anisotropy diaphragm includes lamination electric layer (10), two layers of difference
It is arranged and is coated on the outside of the electrode layer (20) and piezoelectric layer in the electrode layer (20) of the piezoelectric layer (10) two sides and one layer
Protective layer (30), offer multiple through-holes (11) on the piezoelectric layer (10), the electrode layer (20) is covered on the piezoelectricity
Two sides on the through-thickness of layer (10), and the edge of the electrode layer (20) and the through-hole (11) interval are arranged, it is described
Piezoelectric layer (10) is the 1-3 type Piezoelectric anisotropy layer formed by Kynoar and ceramic powder.
2. Piezoelectric anisotropy diaphragm as described in claim 1, it is characterised in that: the material of the protective layer (30) is asphalt mixtures modified by epoxy resin
Rouge.
3. Piezoelectric anisotropy diaphragm as described in claim 1, it is characterised in that: the through-hole (11) is square hole.
4. Piezoelectric anisotropy diaphragm as described in claim 1, it is characterised in that: the through-hole (11) is in array distribution.
5. Piezoelectric anisotropy diaphragm as described in claim 1, it is characterised in that: through-hole (11) inner wall wraps up the protection
Layer (30).
6. Piezoelectric anisotropy diaphragm as described in claim 1, it is characterised in that: the area of the electrode layer (20) is less than piezoelectric layer
(10) area.
7. a kind of ultrasonic atomizatio piece, for atomizing the liquid into, it is characterised in that: the ultrasonic atomizatio piece includes outside a taper platform
It covers (40), at least two are arranged at intervals on the piezoelectricity as claimed in any one of claims 1 to 6 in the taper platform outer cover (40)
Compound film sheet (50), at least one atomization chamber (60) being arranged between two adjacent Piezoelectric anisotropy diaphragms (50), one
A setting is arranged in the entrance (70) of the major diameter side of the taper platform outer cover (40) and one in the taper platform outer cover
(40) outlet (80) of minor diameter side, the liquid enter from the entrance (70), and liquid after atomization is from outlet (80)
It sprays.
8. ultrasonic atomizatio piece as claimed in claim 7, it is characterised in that: there are two the piezoelectricity for the ultrasonic atomizatio piece setting
Compound film sheet (50).
9. ultrasonic atomizatio piece as claimed in claim 7, it is characterised in that: close to the Piezoelectric anisotropy diaphragm of the outlet (80)
(50) aperture of the through-hole (11) on is less than the hole of the through-hole (11) on the Piezoelectric anisotropy diaphragm (50) of the entrance (70)
Diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838050.7U CN209362832U (en) | 2018-11-08 | 2018-11-08 | A kind of Piezoelectric anisotropy diaphragm and ultrasonic atomizatio piece |
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| CN201821838050.7U CN209362832U (en) | 2018-11-08 | 2018-11-08 | A kind of Piezoelectric anisotropy diaphragm and ultrasonic atomizatio piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021092853A1 (en) * | 2019-11-11 | 2021-05-20 | 咸威 | Bidirectional reflective ultrasonic atomization transducer |
| TWI749507B (en) * | 2020-04-06 | 2021-12-11 | 詠業科技股份有限公司 | Piezoelectric vibration device |
-
2018
- 2018-11-08 CN CN201821838050.7U patent/CN209362832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021092853A1 (en) * | 2019-11-11 | 2021-05-20 | 咸威 | Bidirectional reflective ultrasonic atomization transducer |
| TWI749507B (en) * | 2020-04-06 | 2021-12-11 | 詠業科技股份有限公司 | Piezoelectric vibration device |
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Effective date of registration: 20191022 Address after: Room 305 and 306, north area, workshop 1, No. 239, Asia Pacific Road, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Qingfeng New Materials Co., Ltd. Address before: Room 528, 341 Tianning Avenue, Tianning Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Qingke Intelligent Technology Co., Ltd. |