CN203886734U - Piezoelectric ceramic atomization transduction piece - Google Patents
Piezoelectric ceramic atomization transduction piece Download PDFInfo
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- CN203886734U CN203886734U CN201420159145.1U CN201420159145U CN203886734U CN 203886734 U CN203886734 U CN 203886734U CN 201420159145 U CN201420159145 U CN 201420159145U CN 203886734 U CN203886734 U CN 203886734U
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Abstract
The utility model relates to a piezoelectric ceramic atomization transduction piece which comprises a piezoelectric ceramic body and an electrode arranged on the piezoelectric ceramic body, wherein the radiating surface, in contact with atomized liquid, of the electrode is completely or partly coated with an inorganic protecting layer with metallic luster or pearly luster. The electrode is separated from the atomized liquid by the inorganic protecting layer, and the bonding force between the inorganic protecting layer and the electrode is good, so that the electrode is prevented from falling off during work, the anti-corrosion property is good, the application scope of the piezoelectric ceramic atomization transduction piece is expanded, and the service life of the piezoelectric ceramic atomization transduction piece is greatly prolonged.
Description
Technical field
The utility model relates to technical field of ultrasonic application, relates in particular to a kind of piezoelectric ceramics Atomazing transducing chip.
Background technology
Piezoelectric ceramic ultrasound Atomazing transducing chip is the critical component in ultrasonic atomization machine, and its surperficial silver electrode is owing to working under solution high frequency, high power conditions for a long time, under cavitation percussion, easily oxidized, come off, cause transduction piece to lose efficacy.For this problem, mainly contain at present three kinds of measures and solve: the one, paste stainless steel substrates in silver electrode surface; The 2nd, plate layer of metal nickel or titanium in silver electrode surface; The 3rd, burn and cover one deck glass glaze in silver electrode surface.
All there is certain defect in above-mentioned three kinds of measures: pastes stainless steel substrates and reduced electromechanical coupling factor, affect the conversion efficiency of ultrasonic atomizatio transduction piece, cause atomization quantity to lower; Plating nickel or titanium, although can avoid pasting the shortcoming of stainless steel substrates, plating process is difficult to ensure that card is consistent, and the adhesion of coating and silver electrode is also undesirable, and long-term work coating and silver electrode still can come off; Burning is covered glass glaze and can be overcome the deficiency of first two measure, but still has the problem of not resistance to chemical attack, and it is attractive in appearance that the glass glaze outward appearance that particularly burning is covered is not so good as metal.
Utility model content
The purpose of this utility model is to provide a kind of piezoelectric ceramics Atomazing transducing chip, and anticorrosion, the slip-off preventing performance of described piezoelectric ceramics Atomazing transducing chip are good, long service life, and color and luster is attractive in appearance.
For reaching this object, the utility model by the following technical solutions:
A kind of piezoelectric ceramics Atomazing transducing chip, comprises piezoelectric ceramic body and is located at the electrode on described piezoelectric ceramic body, scribbles one deck and have the inorganic protective layer of metallic luster or pearly-lustre on the radiating surface that described electrode contacts with atomized liquid.
The inorganic protective layer of described metallic luster or pearly-lustre also can be printed on the stainless steel substrates that electrode surface pastes, on the metallic nickel or titanium surface of electrode surface plating, electrode surface burns on the glass glaze surface of covering, electrode surface has been dried but on glass glaze slip surface that burning is covered.
Inorganic protective layer described in the utility model has following two kinds of preferred forms:
Whole inorganic protective layers that scribble layer of metal gloss or pearly-lustre of the radiating surface that described electrode contacts with atomized liquid; Or,
The middle body of the radiating surface that described electrode contacts with atomized liquid scribbles the inorganic protective layer of layer of metal gloss or pearly-lustre, and the part of its periphery 1-3 millimeter is blank.
The described inorganic protective layer with metallic luster or pearly-lustre is micaceous devitrified glass coating.Described micaceous devitrified glass coating is the devitrified glass coating containing fluormica.Having the mica of metallic luster or pearly-lustre or contain fluormica can be natural minerals, can be also artificial synthetic fluormica.According to mica or containing the difference of chemical element in fluormica, mica or can present different colors containing fluormica, for example silvery white, golden yellow, bronze-colored etc.Described containing mica or fluormica devitrified glass mainly by devitrified glass and mica, containing fluormica or mica and contain fluormica compositions of mixtures.Describedly be called again fluorophologopite, Fluororystal mica, fluormica containing fluormica, its chemical molecular formula is: KMg3 (AlSi3O11) F2, there is the performance of acid-alkali-corrosive-resisting, and conventionally use with its powder-form.
Described electrode is metal electrode.Described metal electrode is silver electrode, copper electrode, nickel electrode or gold electrode, preferably silver electrode.
The thickness of described inorganic protective layer is 10～200 microns.
Between the inorganic protective layer of described metallic luster or pearly-lustre and electrode, be provided with glass glaze layer that stainless steel substrates, metallic nickel or titanium coating, burning covered or dry but do not burn the glass glaze layer covering.
Apply again one deck glass glaze layer on the surface of the inorganic protective layer of described metallic luster or pearly-lustre or burning is covered one deck glass glaze layer.
Compared with prior art scheme, the utlity model has following beneficial effect:
Piezoelectric ceramics Atomazing transducing chip of the present utility model, comprises piezoelectric ceramic body and is located at the electrode on described piezoelectric ceramic body, all or part of inorganic protective layer that scribbles metallic luster or pearly-lustre of the radiating surface that described electrode contacts with atomized liquid.The inorganic protective layer of described metallic luster or pearly-lustre is kept apart electrode and atomized liquid; and the inorganic protective layer of metallic luster or pearly-lustre and the adhesion of electrode good; avoid electrode coming off in the time of work; anticorrosive property is good; expand the environment for use of piezoelectric ceramics Atomazing transducing chip; long service life, color and luster is attractive in appearance.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model piezoelectric ceramics Atomazing transducing chip;
Fig. 2 is the top view of the utility model piezoelectric ceramics Atomazing transducing chip.
Wherein, 1-piezoelectric ceramic body; 2-electrode; The inorganic protective layer of 3-metallic luster or pearly-lustre.
Below the utility model is further described.But following example is only simple and easy example of the present utility model, do not represent or limit rights protection scope of the present utility model, protection domain of the present utility model is as the criterion with claims.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
For the utility model is described better, be convenient to understand the technical solution of the utility model, typical but non-limiting embodiment of the present utility model is as follows:
A kind of piezoelectric ceramics Atomazing transducing chip, comprises piezoelectric ceramic body 1 and is located at the electrode 2 on described piezoelectric ceramic body 1, scribbles one deck and have the inorganic protective layer 3 of metallic luster or pearly-lustre on the radiating surface that described electrode 2 contacts with atomized liquid.
Whole inorganic protective layers 3 that scribble layer of metal gloss or pearly-lustre of the radiating surface that described electrode 2 contacts with atomized liquid.
The middle body of the radiating surface that described electrode 2 contacts with atomized liquid scribbles the inorganic protective layer 3 of layer of metal gloss or pearly-lustre, and the part of its periphery 1-3 millimeter is blank.
The described inorganic protective layer 3 with metallic luster or pearly-lustre is micaceous devitrified glass coating.
Described micaceous devitrified glass coating is the devitrified glass coating containing fluormica.
Described electrode 2 is metal electrode.Described metal electrode is silver electrode, copper electrode, nickel electrode or gold electrode.
The thickness of described inorganic protective layer 3 is 10～200 microns.
Between the inorganic protective layer 3 of described metallic luster or pearly-lustre and electrode 2, be provided with glass glaze layer that stainless steel substrates, metallic nickel or titanium coating, burning covered or dry but do not burn the glass glaze layer covering.
Also can apply again one deck glass glaze layer or burning on the inorganic protective layer of described metallic luster or pearly-lustre 3 surfaces and cover one deck glass glaze layer.
See figures.1.and.2, the main body of piezoelectric ceramics Atomazing transducing chip of the present utility model is piezoelectric ceramic body 1 and electrode 2 provided thereon, coats the inorganic protective layer 3 of layer of metal gloss or pearly-lustre at electrode 2 with atomized liquid on the radiating surface contacting by the method for printing.Those skilled in the art knows, and conventionally on the another side relative with electrode 2 of piezoelectric ceramic body 1, is also provided with electrode, and this thickness of electrode is conventionally identical with electrode 2 thickness, diameter normally piezoelectric ceramic body 1 diameter 1/3～2/3.
In the present embodiment; the inorganic protective layer 3 of described metallic luster or pearly-lustre is specially micaceous devitrified glass; its thickness is 10～200 microns; the blank annulus that leaves 1-3 millimeter at the periphery of electrode 2 is the inorganic protective layer of matel coated gloss or pearly-lustre not; to facilitate electrifying electrodes, also can not blank and all fill the inorganic protective layer of metallic luster or pearly-lustre.
In the utility model, the mica of use or containing fluormica for there being in the market commercial product, can be commercially available, devitrified glass be to prepare specially, main chemical elements comprises: boron, silicon, potassium, sodium, calcium, barium, lithium, zinc, lead, oxygen.
The inorganic protective layer of metallic luster or pearly-lustre can be coated on electrode surface by the method for serigraphy; according to the needs of the concrete application scenario of piezoelectric ceramics Atomazing transducing chip; the compositing formula of the inorganic protective layer printing slurry of metallic luster or pearly-lustre has a lot; wherein a kind of formula is (by mass parts): 100 parts of devitrified glasses; 30 parts of mica powders, 50 parts of terpinols, 10 parts of rosin; 10 parts, turpentine oil, 6 parts of absolute ethyl alcohols.Before printing; first use acetone or alcohol cleaning silver electrode surface; to remove its surperficial impurity such as greasy dirt and dust; after oven dry; use serigraphy in silver electrode surface the inorganic protective layer printing slurry of the metallic luster preparing or pearly-lustre, then the piezoelectric ceramics Atomazing transducing chip printing is put into 650～800 DEG C of electric furnace inherences sintering film forming.If needed, can be in silver electrode the coat of metal such as position plated with nickel or titanium of the inorganic protective layer of type metal gloss or pearly-lustre not.
Another embodiment is first to burn and cover the inorganic protective layer of layer of metal gloss or pearly-lustre in silver electrode surface, then on the inorganic protective layer of metallic luster or pearly-lustre, applies and burn and cover one deck glass glaze layer.
Also a kind of embodiment is first to burn and cover one deck glass glaze layer in silver electrode surface; on glass glaze layer, apply again or burn the inorganic protective layer that covers layer of metal gloss or pearly-lustre, finally applying or burn on the inorganic protective layer surface of metallic luster or pearly-lustre and cover one deck glass glaze layer.
In above-mentioned detailed description of the invention of the present utility model; utilize containing mica glass ceramic and there is superior weatherability, heat resistance, lower temperature resistance, chemical proofing and acid and alkali-resistance salt corrosion; and unique metallic luster or pearly-lustre, prepare the inorganic protective layer of metallic luster or pearly-lustre by the mode of printing.Due to the protective effect of the inorganic protective layer of metallic luster or pearly-lustre, the anticorrosion of piezoelectric ceramics Atomazing transducing chip of the present utility model and slip-off preventing performance are good, long service life, and color and luster is attractive in appearance.
Applicant's statement, the utility model illustrates detailed structure feature of the present utility model and method by above-described embodiment, but the utility model is not limited to above-mentioned detailed structure feature and method, do not mean that the utility model must rely on above-mentioned detailed structure feature and method could be implemented.Person of ordinary skill in the field should understand; to any improvement of the present utility model; the selections of the equivalence replacement to the selected parts of the utility model and the increase of accessory, concrete mode etc., within all dropping on protection domain of the present utility model and open scope.
More than describe preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. a piezoelectric ceramics Atomazing transducing chip, comprise piezoelectric ceramic body (1) and be located at the electrode (2) on described piezoelectric ceramic body (1), it is characterized in that, on the radiating surface that described electrode (2) contacts with atomized liquid, scribble the inorganic protective layer (3) that one deck has metallic luster or pearly-lustre; The thickness of described inorganic protective layer (3) is 10～200 microns.
2. piezoelectric ceramics Atomazing transducing chip according to claim 1, is characterized in that, whole inorganic protective layers (3) that scribble layer of metal gloss or pearly-lustre of the radiating surface that described electrode (2) contacts with atomized liquid.
3. piezoelectric ceramics Atomazing transducing chip according to claim 1; it is characterized in that; the middle body of the radiating surface that described electrode (2) contacts with atomized liquid scribbles the inorganic protective layer (3) of layer of metal gloss or pearly-lustre, and the part of its periphery 1-3 millimeter is blank.
4. according to the piezoelectric ceramics Atomazing transducing chip one of claim 1-3 Suo Shu, it is characterized in that, described in there is metallic luster or pearly-lustre inorganic protective layer (3) be micaceous devitrified glass coating.
5. piezoelectric ceramics Atomazing transducing chip according to claim 4, is characterized in that, described micaceous devitrified glass coating is the devitrified glass coating containing fluormica.
6. according to the piezoelectric ceramics Atomazing transducing chip one of claim 1-3 Suo Shu, it is characterized in that, described electrode (2) is metal electrode.
7. piezoelectric ceramics Atomazing transducing chip according to claim 6, is characterized in that, described metal electrode is silver electrode, copper electrode, nickel electrode or gold electrode.
8. according to the piezoelectric ceramics Atomazing transducing chip one of claim 1-3 Suo Shu; it is characterized in that, between the inorganic protective layer (3) of described metallic luster or pearly-lustre and electrode (2), be provided with glass glaze layer that stainless steel substrates, metallic nickel or titanium coating, burning covered or dry but do not burn the glass glaze layer covering.
9. according to the piezoelectric ceramics Atomazing transducing chip one of claim 1-3 Suo Shu, it is characterized in that, apply again one deck glass glaze layer on the surface of the inorganic protective layer (3) of described metallic luster or pearly-lustre or burning is covered one deck glass glaze layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159145.1U CN203886734U (en) | 2014-04-02 | 2014-04-02 | Piezoelectric ceramic atomization transduction piece |
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| CN201420159145.1U CN203886734U (en) | 2014-04-02 | 2014-04-02 | Piezoelectric ceramic atomization transduction piece |
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| CN203886734U true CN203886734U (en) | 2014-10-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964473A (en) * | 2016-05-19 | 2016-09-28 | 江苏大学 | Two-phase flow ultrasonic atomization device |
| CN109553300A (en) * | 2018-12-29 | 2019-04-02 | 苏州雾联医疗科技有限公司 | A kind of piezoelectric ceramic atomizer patch glass glaze and preparation method thereof |
| WO2020088337A1 (en) * | 2018-10-29 | 2020-05-07 | 湖南中烟工业有限责任公司 | Ultrasonic atomizing sheet |
-
2014
- 2014-04-02 CN CN201420159145.1U patent/CN203886734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964473A (en) * | 2016-05-19 | 2016-09-28 | 江苏大学 | Two-phase flow ultrasonic atomization device |
| CN105964473B (en) * | 2016-05-19 | 2018-08-21 | 江苏大学 | A kind of two phase flow ultrasonic atomizing device |
| WO2020088337A1 (en) * | 2018-10-29 | 2020-05-07 | 湖南中烟工业有限责任公司 | Ultrasonic atomizing sheet |
| CN109553300A (en) * | 2018-12-29 | 2019-04-02 | 苏州雾联医疗科技有限公司 | A kind of piezoelectric ceramic atomizer patch glass glaze and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20190402 |