CN1024609C - Permanent piezoelectric ceramic wafer energy transducer - Google Patents
Permanent piezoelectric ceramic wafer energy transducer Download PDFInfo
- Publication number
- CN1024609C CN1024609C CN91107334.5A CN91107334A CN1024609C CN 1024609 C CN1024609 C CN 1024609C CN 91107334 A CN91107334 A CN 91107334A CN 1024609 C CN1024609 C CN 1024609C
- Authority
- CN
- China
- Prior art keywords
- piezoelectric ceramic
- ceramic wafer
- partition panel
- cylindrical shell
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 13
- 239000003792 electrolyte Substances 0.000 claims description 9
- 208000002925 dental caries Diseases 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000008151 electrolyte solution Substances 0.000 abstract 2
- 238000004299 exfoliation Methods 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 description 3
- 230000003534 oscillatory effect Effects 0.000 description 2
- 230000002925 chemical effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
The present invention relates to a permanent piezoelectric ceramic wafer transducer which belongs to the technical field of a piezoelectric device. The present invention is composed of a piezoelectric ceramic wafer 1, a cylindrical casing 2, a bottom plate 3 of the cylindrical casing 2, a chamber separating plate 4, two metal rings 5, an electrolytic solution 6 and a conducting wire 7. The present invention uses the electrolytic solution 6 as electrodes of the piezoelectric ceramic wafer transducer, the problems of corrosion and exfoliation of metal electrodes at both electrode faces of the piezoelectric ceramic wafer 1 do not exist, and thereby, the present invention ensures the permanent use of the piezoelectric ceramic wafer 1.
Description
The invention belongs to the piezoelectric device technical field.
Before the present invention, general piezoelectric ceramic wafer all adsorbs metal electrode in two surfaces up and down, and it is when working in liquid, and the very easily attached erosion under machinery, electricity and chemical effect of its surperficial metal electrode material is peeled off, thereby influences its service efficiency and life-span.As the long-life piezoelectric ceramic wafer energy transducer that discloses among the CN87202867, the safeguard measure that water was taked the strong corrosion of electrode when it only prevented wafer work can prolong the useful life of wafer, but can not effect a radical cure its drawback.
The objective of the invention is to overcome weak point of the prior art and a kind of permanent piezoelectric ceramic wafer energy transducer is provided.
Task of the present invention is finished by following measures: piezoelectric ceramic wafer two pole-faces does not up and down contain metal electrode, and have a becket up and down respectively as electrode at the skin of piezoelectric ceramic wafer, the signal of telecommunication of its vibration alternation passes on two pole-faces up and down of piezoelectric ceramic wafer by electrolyte, make its oscillatory deformation, with regard to there not being the metal electrode corrosion spalling problem of piezoelectric ceramic wafer two pole-faces, really reach nonvolatil useful life like this.
Accompanying drawing 1: the structure diagrammatic cross-sectional view of transducer.
The present invention describes in detail embodiment below with reference to accompanying drawing: a kind of permanent piezoelectric ceramic wafer energy transducer is to be made of piezoelectric ceramic wafer 1, cylindrical shell 2 and base plate 3 thereof, partition panel 4, two beckets 5, electrolyte 6, leads 7, as shown in Figure 1.Partition panel 4 is funnel-form, its horn mouth links to each other with cylindrical shell 2, the side of piezoelectric ceramic wafer 1 scribbles in the circular hole 8 that silicon rubber is embedded in partition panel 4, partition panel 4 and piezoelectric ceramic wafer 1 are separated into two cavitys up and down to cylindrical shell 2 like this, skin at piezoelectric ceramic wafer 1 has the both sides that 5, two beckets 5 of a becket are separately fixed at partition panel 4 up and down respectively.Have an aperture 9 on the cylindrical shell below the partition panel 42, the position of aperture 9 is in the higher position in lower chamber, and the electrolyte 6 in the lower chamber is imported by aperture 9, and requires electrolyte 6 submergence beckets 5 and piezoelectric ceramic wafer 1.Base plate 3 is fixed on the cylindrical shell 2 by silicon rubber, one end of two leads 7 links to each other with two beckets 5 respectively, its other end stretches out with power supply by partition panel 4, cylindrical shell 2 and links to each other, in two cavitys up and down of piezoelectric ceramic wafer 1, inject electrolyte 6, two beckets 5 and piezoelectric ceramic wafer 1 are immersed in the electrolyte 6.Two beckets 5, lead 7, cylindrical shell 2, partition panel 4 are once molding formed.After lead 7 energisings, two beckets 5 are as two electrodes, the signal of telecommunication of its vibration alternation passes on two pole-faces up and down of piezoelectric ceramic wafer 1 by electrolyte 6, make its oscillatory deformation, normally work, two pole-faces up and down of piezoelectric ceramic wafer 1 need not to be provided with the electrode of any electrode material as piezoelectric device, thereby also just do not have problems such as the peeling off of electrode material, burn into damage, and this just can guarantee the permanent use of piezoelectric ceramic wafer 1.
The present invention has simple in structure, and is novel, safe and reliable, and the life-span is permanent, with low cost, is a kind of comparatively desirable piezoelectric ceramic wafer energy transducer.
Claims (1)
1, a kind of transducer of forming by piezoelectric ceramic wafer [1], the cylindrical shell [2] that has base plate [3], dividing plate, Metal Contact electrode, electrolyte [6], lead [7], one end of two leads [7] links to each other with two Metal Contact electrodes respectively, its other end links to each other with power supply
It is characterized in that above-mentioned dividing plate is that partition panel [4], partition panel [4] are funnel-form, its horn mouth links to each other with cylindrical shell [2], and the side of piezoelectric ceramic wafer [1] scribbles in the circular hole [8] that silicon rubber is embedded in partition panel [4]; Above-mentioned Metal Contact electrode is two beckets [5], the skin of piezoelectric ceramic wafer [1] has a becket [5] up and down respectively, two beckets [5] all are fixed on the partition panel [4], on the cylindrical shell [2] of partition panel [4] below, have aperture [9], injection electrolyte [6] in two cavitys up and down of piezoelectric ceramic wafer [1].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91107334.5A CN1024609C (en) | 1991-02-27 | 1991-02-27 | Permanent piezoelectric ceramic wafer energy transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91107334.5A CN1024609C (en) | 1991-02-27 | 1991-02-27 | Permanent piezoelectric ceramic wafer energy transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1064567A CN1064567A (en) | 1992-09-16 |
| CN1024609C true CN1024609C (en) | 1994-05-18 |
Family
ID=4908685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91107334.5A Expired - Fee Related CN1024609C (en) | 1991-02-27 | 1991-02-27 | Permanent piezoelectric ceramic wafer energy transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1024609C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436145A (en) * | 2015-12-28 | 2016-03-30 | 陕西师范大学 | Double-tank ultrasonic cleaner based on bidirectional ultrasonic radiation recombination transducer |
-
1991
- 1991-02-27 CN CN91107334.5A patent/CN1024609C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1064567A (en) | 1992-09-16 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |