CN2609675Y - Piezoelectric ceramic transducer - Google Patents
Piezoelectric ceramic transducer Download PDFInfo
- Publication number
- CN2609675Y CN2609675Y CN 03224526 CN03224526U CN2609675Y CN 2609675 Y CN2609675 Y CN 2609675Y CN 03224526 CN03224526 CN 03224526 CN 03224526 U CN03224526 U CN 03224526U CN 2609675 Y CN2609675 Y CN 2609675Y
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- piezoelectric ceramic
- back side
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- metal
- ceramic piece
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
A piezoelectric ceramic energy converter comprises a piezoelectric ceramic sheet, metal electrodes and electrode line conductors, wherein the metal electrodes are respectively arranged on the right and back sides of the piezoelectric ceramic sheet, the metal electrode arranged on the right side of the piezoelectric ceramic sheet is composed of a metal layer sintered on the piezoelectric ceramic sheet and a stainless steel sheet adhered on the metal layer, and the metal electrode arranged on the back side is composed of a metal layer sintered on the piezoelectric ceramic sheet. The electrode line conductors are respectively welded on the metal electrodes, which is characterized in that the edge of the stainless steel sheet is extended with an ear which can be buckled to the back side of the piezoelectric ceramic sheet, the electrode line conductor welded on the metal electrode on the right side of the piezoelectric ceramic sheet is welded on the ear, the metal electrode on the back side of the piezoelectric ceramic sheet only partly covers the back side, which makes the ear not contact the metal electrode when buckled to the back side. The piezoelectric ceramic energy converter of the utility model has the advantages of great corrosion resistance and frictional resistance, convenient welding and leading for electrode line conductors, and the like.
Description
Affiliated technical field
The utility model relates to a kind of parts of supersonic atomizer, specifically refers to a kind of piezoelectric ceramic transducer.
Background technology
As everyone knows, the atomizing of liquid can realize by supersonic atomizer, and piezoelectric ceramic transducer is to be used for contacting and producing with liquid the parts that ultrasonic wave makes the atomization of liquid on the supersonic atomizer.The general structure of piezoelectric ceramic transducer is a slice piezoelectric ceramic piece, the silver thin layer of sintering one deck is as positive and negative electrode respectively in its both sides, and its front is used with liquid and contacted.Different atomized liquids is known from experience has different influences to the piezoelectric ceramic transducer front electrode, when atomized liquid has acid, alkali or electrolytic etching and easily during chemical analysis such as fouling, the capital makes the conversion efficiency of transducer reduce, atomization quantity reduces, shorten service life, when serious the silver electrode of transducer face is come off, cause transducer fails.In order to address the above problem, generally adopt at present in transducer front face and cover a protective layer, for example a kind of nickel electrode ultrasonic atomizatio transducer, its structure is at silver electrode surface plating one deck nickel, but the corrosion resistance of nickel coating and wear-resisting wiping still are poor, are the welding inconvenience of electrode cable in addition; And for example a kind of transducer at positive silver electrode surface stickup one deck stainless steel thin slice, its corrosion resistance and wear-resisting wiping are more satisfactory, but because the structure imperfection also exists electrode cable welding and the inconvenient problem of lead-in wire.
Summary of the invention
In order to overcome existing piezoelectric ceramic transducer corrosion resistance and wear-resisting wiping is relatively poor, electrode cable welding and the inconvenient defective of lead-in wire, the utility model provides a kind of improved piezoelectric ceramic transducer, can overcome the defective of prior art.
The technical scheme in the invention for solving the above technical problem is: a kind of piezoelectric ceramic transducer, comprise piezoelectric ceramic piece, metal electrode and electrode cable, metal electrode just is being arranged at piezoelectric ceramic piece respectively, on the back side, the metal electrode in piezoelectric ceramic piece front is to be made of at metal level on the piezoelectric ceramic piece and the stainless steel film that sticks on the metal level sintering, the metal electrode at the piezoelectric ceramic piece back side is to be made of the metal level of sintering on piezoelectric ceramic piece, electrode cable is welded on the metal electrode respectively, the edge that it is characterized in that described stainless steel film is extended with a bent lug to the piezoelectric ceramic piece back side, the electrode cable of piezoelectric ceramic piece front metal electrode is welded on the lug, the metal electrode at the piezoelectric ceramic piece back side is only done local the covering to the back side, so that lug can not contact with the metal electrode at the back side when being bent to the back side.
The beneficial effects of the utility model are: because the front metal electrode of piezoelectric ceramic transducer is to be made of at metal level on the piezoelectric ceramic piece and the stainless steel film that sticks on the metal level sintering, so its corrosion resistance and wear-resisting wiping are good; The edge of described stainless steel film is extended with a bent lug to the piezoelectric ceramic piece back side, electrode cable is welded on the lug and makes things convenient for manyly than being welded on the electrodeposited coating edge, just the front electrode lead also is directed on the back side easily when lug is bent to the piezoelectric ceramic piece back side, has installed tangible convenience in manufacturing.
Description of drawings
In conjunction with the accompanying drawings and embodiments the utility model is further specified.
Fig. 1 is the vertical profile schematic diagram of a kind of embodiment of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the schematic diagram that the lug of Fig. 1 is bent to the piezoelectric ceramic piece back side.
The specific embodiment
With reference to Fig. 1～Fig. 2, this piezoelectric ceramic transducer, comprise piezoelectric ceramic piece (1), metal electrode and electrode cable (2) (3), metal electrode just is being arranged at piezoelectric ceramic piece (1) respectively, on the back side, the positive metal electrode of piezoelectric ceramic piece (1) is at the metal level (4) on the piezoelectric ceramic piece (1) with stick on stainless steel film (5) formation on the metal level (4) by sintering, the metal electrode at piezoelectric ceramic piece (1) back side is to be made of the metal level (6) of sintering on piezoelectric ceramic piece (1), electrode cable (2) (3) is welded on respectively on the metal electrode (5) (6), the edge that it is characterized in that described stainless steel film (5) is extended with a bent lug (7) to piezoelectric ceramic piece (1) back side, the electrode cable (2) of piezoelectric ceramic piece (1) front metal electrode is welded on the lug (7), the metal electrode (6) at piezoelectric ceramic piece (1) back side is only done local the covering to the back side, so that lug (7) can not contact with the metal electrode (6) at the back side when being bent to the back side.Referring to Fig. 3, during use lug (7) is bent to piezoelectric ceramic piece (1) back side, piezoelectric ceramic transducer is contained in the sealing ring, be contained on the Sheng sap cavity through hole of supersonic atomizer together with sealing ring again, the positive stainless steel film (5) of piezoelectric ceramic piece (1) contacts with liquid, electrode cable (2) (3) is drawn from piezoelectric ceramic piece (1) back side, is connected on the ultrasonic circuit.
Claims (1)
- A kind of piezoelectric ceramic transducer, comprise piezoelectric ceramic piece, metal electrode and electrode cable, metal electrode just is being arranged at piezoelectric ceramic piece respectively, on the back side, the metal electrode in piezoelectric ceramic piece front is to be made of at metal level on the piezoelectric ceramic piece and the stainless steel film that sticks on the metal level sintering, the metal electrode at the piezoelectric ceramic piece back side is to be made of the metal level of sintering on piezoelectric ceramic piece, electrode cable is welded on the metal electrode respectively, the edge that it is characterized in that described stainless steel film is extended with a bent lug to the piezoelectric ceramic piece back side, the electrode cable of piezoelectric ceramic piece front metal electrode is welded on the lug, the metal electrode at the piezoelectric ceramic piece back side is only done local the covering to the back side, so that lug can not contact with the metal electrode at the back side when being bent to the back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224526 CN2609675Y (en) | 2003-03-21 | 2003-03-21 | Piezoelectric ceramic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224526 CN2609675Y (en) | 2003-03-21 | 2003-03-21 | Piezoelectric ceramic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2609675Y true CN2609675Y (en) | 2004-04-07 |
Family
ID=34163399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03224526 Expired - Fee Related CN2609675Y (en) | 2003-03-21 | 2003-03-21 | Piezoelectric ceramic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2609675Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553767A (en) * | 2011-12-13 | 2012-07-11 | 南京航空航天大学 | Piezoelectric ceramic ultrasonic atomizing sheet |
| CN104524617A (en) * | 2014-12-25 | 2015-04-22 | 江苏迈技科技有限公司 | Personalized atomization aromatherapy air purifier |
| CN107249763A (en) * | 2015-02-11 | 2017-10-13 | 罗伯特·博世有限公司 | Sonic transducer including multiple single transducers and the method for its manufacture |
| CN109078243A (en) * | 2018-09-04 | 2018-12-25 | 崔红云 | A kind of dedicated Ultrasonic atomising taring device of general surgical nursing |
| CN110695476A (en) * | 2019-10-16 | 2020-01-17 | 海鹰企业集团有限责任公司 | Electrode leading-out method of piezoelectric ceramic transducer |
-
2003
- 2003-03-21 CN CN 03224526 patent/CN2609675Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553767A (en) * | 2011-12-13 | 2012-07-11 | 南京航空航天大学 | Piezoelectric ceramic ultrasonic atomizing sheet |
| CN104524617A (en) * | 2014-12-25 | 2015-04-22 | 江苏迈技科技有限公司 | Personalized atomization aromatherapy air purifier |
| CN107249763A (en) * | 2015-02-11 | 2017-10-13 | 罗伯特·博世有限公司 | Sonic transducer including multiple single transducers and the method for its manufacture |
| CN107249763B (en) * | 2015-02-11 | 2020-02-28 | 罗伯特·博世有限公司 | Acoustic transducer comprising a plurality of single transducers and method for the manufacture thereof |
| CN109078243A (en) * | 2018-09-04 | 2018-12-25 | 崔红云 | A kind of dedicated Ultrasonic atomising taring device of general surgical nursing |
| CN110695476A (en) * | 2019-10-16 | 2020-01-17 | 海鹰企业集团有限责任公司 | Electrode leading-out method of piezoelectric ceramic transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |