CN106269453A - Piezoelectric ceramic ring silver layer protection device and assembly method for ultrasonic transducer - Google Patents
Piezoelectric ceramic ring silver layer protection device and assembly method for ultrasonic transducer Download PDFInfo
- Publication number
- CN106269453A CN106269453A CN201610808484.1A CN201610808484A CN106269453A CN 106269453 A CN106269453 A CN 106269453A CN 201610808484 A CN201610808484 A CN 201610808484A CN 106269453 A CN106269453 A CN 106269453A
- Authority
- CN
- China
- Prior art keywords
- ring
- piezoelectric ceramic
- silver layer
- conducting ring
- ceramic ring
- 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 107
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 74
- 239000004332 silver Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010030 laminating Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000013467 fragmentation Methods 0.000 abstract description 4
- 238000006062 fragmentation reaction Methods 0.000 abstract description 4
- 230000026683 transduction Effects 0.000 abstract description 2
- 238000010361 transduction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
Abstract
The present invention relates to ultrasonic transduction device technique field, particularly relate to the piezoelectric ceramic ring silver layer protection device of a kind of ultrasonic transducer.This device includes interior conducting ring and elastic insulated protection ring, described interior conducting ring is open circulus, and the lateral perimeter of described interior conducting ring is more than the inner side girth of piezoelectric ceramic ring, the most described interior conducting ring covers and is close to the inner side silver layer of described piezoelectric ceramic ring, described elastic insulated protection ring is arranged on the inner side of described interior conducting ring, and arrange with the laminating of described interior conducting ring, relatively simple structure is utilized to provide protection for silver layer, and utilize prestressing force to make interior conducting ring and the outer conducting ring inside and outside silver layer respectively with piezoelectric ceramic ring fit to arrange, it is not only made still to have good electric conductivity, and it is easy for installation, solve silver layer inside existing piezoelectric ceramic ring to come off, cause silver layer surface electric field uneven, the class of insulation declines and piezoelectric ceramic ring vibrations inequality, the problem being easily caused piezoelectric ceramic ring fragmentation.
Description
Technical field
The present invention relates to ultrasonic transduction device technique field, particularly relate to the piezoelectric ceramic ring silver layer of a kind of ultrasonic transducer
Protection device.
Background technology
The interior outside of the internal piezoelectric ceramic ring of transducer in the market is equipped with silver layer, and respectively as piezoelectric ceramics
The positive pole of ring and negative pole, and in use, piezoelectric ceramic ring radially vibrations, and welding lead can be understood on silver layer, make pressure
The silver layer of electroceramics ring surfaces externally and internally the most partly or entirely comes off, cause that silver layer surface electric field is uneven, the class of insulation declines and
Piezoelectric ceramic ring vibrations inequality, is easily caused piezoelectric ceramic ring fragmentation, affects the bulk life time of piezoelectric ceramic ring.
Due to piezoelectric ceramic ring material brittle, and inner side silver layer is positioned at inside piezoelectric ceramic ring, at piezoelectric ceramic ring radially
During vibrations, can be to piezoelectric ceramic ring central reduction inside piezoelectric ceramic ring, above-mentioned characteristic based on piezoelectric ceramic ring, in protection pressure
Protection problem to be considered during silver layer inside electroceramics ring, in addition it is also necessary to consider protection device on the impact of silver layer electric conductivity,
And the impact that the structure of protection device is on piezoelectric ceramic ring, therefore inside protection, the protection of silver layer is relatively difficult.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to provide a kind of piezoelectric ceramic ring silver layer protection device, do not affect the normal work of piezoelectric ceramic ring
On the premise of work, solve silver layer inside existing piezoelectric ceramic ring and come off, cause that silver layer surface electric field is uneven, the class of insulation declines and
Piezoelectric ceramic ring vibrations inequality, the problem being easily caused piezoelectric ceramic ring fragmentation.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of piezoelectric ceramic ring silver layer for ultrasonic transducer and protect
Protection unit, including interior conducting ring and elastic insulated protection ring, described interior conducting ring is open circulus, and described interior conduction
The lateral perimeter of ring is more than the inner side girth of piezoelectric ceramic ring, and the most described interior conducting ring covers and is close to described pressure
The inner side silver layer of electroceramics ring, described elastic insulated protection ring is arranged on the inner side of described interior conducting ring, and with described interior conduction
Ring laminating is arranged.
Preferably, the lateral perimeter of described interior conducting ring is 0.2-0.8mm with the difference of the inner side girth of piezoelectric ceramic ring.
Preferably, the lateral perimeter of described interior conducting ring is 0.5mm with the difference of the inner side girth of piezoelectric ceramic ring.
Preferably, described elastic insulated protection ring is open circulus.
Preferably, stagger setting in the open end of the open end of described elastic insulated protection ring and described interior conducting ring.
Preferably, also include that outer conducting ring, described outer conducting ring are arranged with the outside silver layer laminating of piezoelectric ceramic ring.
Preferably, the outside of described outer conducting ring arranges winding layer, and described winding layer is by indium steel wire, titanium steel silk or wolfram steel
Silk is entwined.
Preferably, described outer conducting ring is that copper sheet is made.
Preferably, described interior conducting ring is that beryllium-bronze is made.
Present invention also offers a kind of method piezoelectric ceramic ring silver layer protection device being assembled on piezoelectric ceramic ring, bag
Include:
Piezoelectric ceramic ring is steadily placed, the interior conducting ring under normality is placed into the inner side of piezoelectric ceramic ring, now institute
The open end stating interior conducting ring is staggered overlaying state, and one of them open end does not contacts with the inner side silver layer of piezoelectric ceramic ring；
Inside Xiang Weiyu, the open end of the interior conducting ring of silver layer contact applies power so that it is with the inner side of described piezoelectric ceramic ring
Silver layer contacts, now two open ends docking of interior conducting ring, and interior conducting ring fits tightly with the inner side silver layer of piezoelectric ceramic ring；
Elastic insulated protection ring is placed on inside described interior conducting ring, under the effect of elastic force, described elastic insulated guarantor
Described interior conducting ring is close to by retaining ring；
Outer conducting ring is set in outside described piezoelectric ceramic ring, and is adjacent to the outside silver layer of described piezoelectric ceramic ring；
The outside of conducting ring is uniformly arranged winding layer outside.
(3) beneficial effect
The technique scheme of the present invention has the advantage that the piezoelectric ceramics for ultrasonic transducer that the present invention provides
Ring silver layer protection device, including interior conducting ring and elastic insulated protection ring, described interior conducting ring is open circulus, and institute
Stating the lateral perimeter inner side girth more than piezoelectric ceramic ring of interior conducting ring, the most described interior conducting ring covers and tight
Pasting the inner side silver layer of described piezoelectric ceramic ring, described elastic insulated protection ring is arranged on the inner side of described interior conducting ring, and with institute
State the laminating of interior conducting ring to arrange, utilize relatively simple structure to provide protection for silver layer, and utilize prestressing force to make interior conduction
Ring and outer conducting ring are fitted with the inside and outside silver layer of piezoelectric ceramic ring respectively and are arranged, and not only make it still have good electric conductivity
Can, and easy for installation, do not affecting on the premise of piezoelectric ceramic ring normally works, solving silver layer inside existing piezoelectric ceramic ring
Come off, cause silver layer surface electric field inequality, the class of insulation to decline and piezoelectric ceramic ring vibrations inequality, be easily caused piezoelectric ceramic ring broken
The problem split.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one piezoelectric ceramic ring silver layer protection device；
Fig. 2 is the generalized section of the embodiment of the present invention one piezoelectric ceramic ring silver layer protection device；
Fig. 3 is the structural representation of conducting ring in the embodiment of the present invention one；
Fig. 4 is the structural representation of the embodiment of the present invention two piezoelectric ceramic ring silver layer protection device；
Fig. 5 is the structural representation of conducting ring in the embodiment of the present invention two.
In figure: 1: piezoelectric ceramic ring；2: interior conducting ring；3: elastic insulated protection ring；4: outer conducting ring；5: winding layer；6:
Wire bond pad；61: wire connection hole.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, the piezoelectric ceramic ring silver layer for ultrasonic transducer that the embodiment of the present invention provides is protected
Protection unit, including interior conducting ring 2 and elastic insulated protection ring 3, wherein interior conducting ring 2 is arranged on the inner side of piezoelectric ceramic ring 1, and
Interior conducting ring 2 is open circulus, and the lateral perimeter of this interior conducting ring 2 is more than the inner side girth of piezoelectric ceramic ring, when interior
Time alignment in the open end of conducting ring 2, interior conducting ring 2 produces prestressing force, makes interior conducting ring 2 comprehensively more be adjacent to piezoelectric ceramic ring
The inner side silver layer of 1, and prevent interior conducting ring 2 from coming off from piezoelectric ceramic ring 2, make inner side silver layer well be protected.
It should be noted that Fig. 3 is interior conducting ring 2 structure under normality, one of them open end is pressed in another open end
On, it is placed in piezoelectric ceramic ring 1, makes the alignment of two open end arrange by external force.
Further, arranging elastic insulated protection ring 3 in the inner side of interior conducting ring 2, this elastic insulated protection ring 3 all covers
The inner side of conducting ring 2 in lid, internal conducting ring plays the effect supporting protection, prevents interior conducting ring from coming off further, the most also
Wire can be placed between interior conducting ring 2 and elastic insulated protection ring 3, it is provided that a kind of new conductor connections, and
Connected mode is without welding.
Owing to piezoelectric ceramic ring 1 material is more crisp, in order to avoid piezoelectric ceramic ring 1 crushes, consider installation and interior conduction
The stability maintenance of ring 2, it is preferable that the lateral perimeter of interior conducting ring 2 is 0.2-with the difference of the inner side girth of piezoelectric ceramic ring 1
0.8mm, within the range, convenient interior conducting ring 2 is installed, and the prestressing force produced enough makes interior conducting ring 2 be stably fixed to
The inner side of ceramic ring 1, it is highly preferred that the difference of the inner side girth of the lateral perimeter of interior conducting ring and piezoelectric ceramic ring is 0.5mm.
Further, as it is shown in figure 1, for the easy for installation and interior conducting ring 2 of support, elastic insulated protection ring 3 is for open
Formula circulus, and when mounted, staggers setting, preferably in the open end of the open end of spring insulating protection ring 3 and interior conducting ring 2
Ground, both open end couple positioned opposite.
Wherein, the material of elastic insulated protection ring 3 be preferably polyethylene, polypropylene, polystyrene resin, polyimides,
Merlon or politef, have suitable elastic effect more preferable.
In order to preferably protect the outside silver layer of piezoelectric ceramic ring 1, it is preferable that as depicted in figs. 1 and 2, at piezoelectric ceramics
The outside of ring 1 arranges outer conducting ring 4, and the fit outside silver layer of piezoelectric ceramic ring 1 of outer conducting ring 4 is arranged, in order to not affect outside
The electric conductivity of silver layer, it is preferable that the outside of conducting ring 4 is provided with winding layer 5 outside, it is preferable that winding layer 5 is by indium steel wire, titanium
The uniform winding such as steel wire or wolfram steel silk form.
Wherein, the thermal coefficient of expansion of indium steel wire is little, best results, in piezoelectric ceramic ring 1 and outer conducting ring generation thermal expansion
Time, under the effect of indium steel wire, outer conducting ring 4 still can keep the outside silver layer laminating with piezoelectric ceramic ring 1 to arrange.
Preferably, outer conducting ring and interior conducting ring all use the beryllium-bronze material of high conductivity to make.
The embodiment of the present invention additionally provides a kind of method above-mentioned silver layer protection device being assembled on piezoelectric ceramic ring, should
Method comprises the following steps:
S1, piezoelectric ceramic ring 1 is steadily placed, the interior conducting ring 2 under normality is placed into the inner side of piezoelectric ceramic ring 1,
Now, as it is shown on figure 3, the open end of described interior conducting ring 2 is staggered overlaying state, one of them open end not with piezoelectric ceramics
The inner side silver layer contact of ring 1；
Inside S2, Xiang Weiyu, the open end of the interior conducting ring 2 of silver layer contact applies power so that it is with described piezoelectric ceramic ring 1
The contact of inner side silver layer, now as it is shown in figure 1, the two of interior conducting ring 2 open ends docking, interior conducting ring 2 and piezoelectric ceramic ring 1
Inner side silver layer fit tightly；
S3, being placed on inside described interior conducting ring 2 by elastic insulated protection ring 3, under the effect of elastic force, described elasticity is exhausted
Edge protection ring 3 is close to described interior conducting ring 2；
S4, being set in outside described piezoelectric ceramic ring by outer conducting ring, its entirety is adjacent to the outside of described piezoelectric ceramic ring
Silver layer；
S5, the outside of last conducting ring 4 outside are uniformly arranged winding layer 5, so that outer conducting layer 4 is close to piezoelectric ceramic ring 1
Outside silver layer.
It should be noted that each sequence of steps above-mentioned is only more preferably order, its order can the most suitably be adjusted
Whole, outer conducting ring 4 such as can be first installed, then winding layer 5 be set, conducting ring 2 and elastic insulated in installing the most successively
Protection ring 3.
Embodiment two
As shown in Figure 4 and Figure 5, the present embodiment two is essentially identical with embodiment one, and something in common repeats no more, difference
It is: conducting ring 4 and interior conducting ring 2 the most at least stretch out and be equipped with on a wire bond pad 6, and this wire bond pad 6 outside
For wearing the wire connection hole 61 of wire.
Preferably, as shown in Figure 4, interior conducting ring 2 and outer conducting ring 4 are equipped with two wire bond pad 6, and four
Wire bond pad 6 staggers setting, facilitates wire to connect.
In sum, the piezoelectric ceramic ring silver layer protection device for ultrasonic transducer that the present invention provides, utilize relatively
Simple structure is that silver layer provides protection, and utilize prestressing force (including the prestressing force that indium steel wire applies) make interior conducting ring with
Outer conducting ring is fitted with the inside and outside silver layer of piezoelectric ceramic ring respectively and is arranged, and not only makes it still have good electric conductivity, and
And easy for installation, do not affecting on the premise of piezoelectric ceramic ring normally works, solving silver layer inside existing piezoelectric ceramic ring and come off,
Cause silver layer surface electric field inequality, the class of insulation to decline and piezoelectric ceramic ring vibrations inequality, be easily caused piezoelectric ceramic ring fragmentation
Problem.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. the piezoelectric ceramic ring silver layer protection device for ultrasonic transducer, it is characterised in that: include interior conducting ring and bullet
Property insulating protection ring, described interior conducting ring is open circulus, and the lateral perimeter of described interior conducting ring more than piezoelectricity make pottery
The inner side girth of porcelain ring, the most described interior conducting ring covers and is close to the inner side silver layer of described piezoelectric ceramic ring, institute
State elastic insulated protection ring and be arranged on the inner side of described interior conducting ring, and arrange with the laminating of described interior conducting ring.
Piezoelectric ceramic ring silver layer protection device the most according to claim 1, it is characterised in that: the outside of described interior conducting ring
Girth is 0.2-0.8mm with the difference of the inner side girth of piezoelectric ceramic ring.
Piezoelectric ceramic ring silver layer protection device the most according to claim 2, it is characterised in that: the outside of described interior conducting ring
Girth is 0.5mm with the difference of the inner side girth of piezoelectric ceramic ring.
Piezoelectric ceramic ring silver layer protection device the most according to claim 1, it is characterised in that: described elastic insulated protection ring
For open circulus.
Piezoelectric ceramic ring silver layer protection device the most according to claim 4, it is characterised in that: described elastic insulated protection ring
The open end of open end and described interior conducting ring stagger setting.
Piezoelectric ceramic ring silver layer protection device the most according to claim 1, it is characterised in that: also include outer conducting ring, institute
State the outside silver layer laminating setting of outer conducting ring and piezoelectric ceramic ring.
Piezoelectric ceramic ring silver layer protection device the most according to claim 6, it is characterised in that: the outside of described outer conducting ring
Winding layer is set, and described winding layer is entwined by indium steel wire, titanium steel silk or wolfram steel silk.
Piezoelectric ceramic ring silver layer protection device the most according to claim 7, it is characterised in that: described outer conducting ring is copper sheet
Make.
9. according to the piezoelectric ceramic ring silver layer protection device described in any one of claim 1-8, it is characterised in that: described interior conduction
Ring is that beryllium-bronze is made.
10. the method that piezoelectric ceramic ring silver layer protection device is assembled on piezoelectric ceramic ring, it is characterised in that:
Piezoelectric ceramic ring is steadily placed, the interior conducting ring under normality is placed into the inner side of piezoelectric ceramic ring, the most described interior
The open end of conducting ring is staggered overlaying state, and one of them open end does not contacts with the inner side silver layer of piezoelectric ceramic ring；
Inside Xiang Weiyu, the open end of the interior conducting ring of silver layer contact applies power so that it is with the inner side silver layer of described piezoelectric ceramic ring
Contact, now two open ends docking of interior conducting ring, interior conducting ring fits tightly with the inner side silver layer of piezoelectric ceramic ring；
Elastic insulated protection ring is placed on inside described interior conducting ring, under the effect of elastic force, described elastic insulated protection ring
It is close to described interior conducting ring；
Outer conducting ring is set in outside described piezoelectric ceramic ring, and is adjacent to the outside silver layer of described piezoelectric ceramic ring；
The outside of conducting ring is uniformly arranged winding layer outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808484.1A CN106269453B (en) | 2016-09-07 | 2016-09-07 | Piezoelectric ceramic ring silver layer protective device and assembly method for ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808484.1A CN106269453B (en) | 2016-09-07 | 2016-09-07 | Piezoelectric ceramic ring silver layer protective device and assembly method for ultrasonic transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106269453A true CN106269453A (en) | 2017-01-04 |
| CN106269453B CN106269453B (en) | 2018-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808484.1A Active CN106269453B (en) | 2016-09-07 | 2016-09-07 | Piezoelectric ceramic ring silver layer protective device and assembly method for ultrasonic transducer |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244661A (en) * | 1979-07-23 | 1981-01-13 | Mcdonnell Douglas Corporation | Fastener means and joint for laminates |
| US5099460A (en) * | 1990-08-13 | 1992-03-24 | Seabeam Instruments, Inc. | Sonar transducer |
| CN2589095Y (en) * | 2002-12-30 | 2003-12-03 | 罗伟 | Piezo-electric ring of ultrasonic transducer |
| CN102547542A (en) * | 2012-01-20 | 2012-07-04 | 天津大学 | High-power composite piezoelectric transducer |
| CN202725460U (en) * | 2012-04-17 | 2013-02-13 | 苏州工业园区海纳科技有限公司 | Circular type energy converter |
| CN203695368U (en) * | 2014-02-25 | 2014-07-09 | 温州市龙立方机械科技有限公司 | Ultrasonic transduction pipe |
| CN206009167U (en) * | 2016-09-07 | 2017-03-15 | 哈尔滨龙声超声技术有限公司 | Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer |
-
2016
- 2016-09-07 CN CN201610808484.1A patent/CN106269453B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244661A (en) * | 1979-07-23 | 1981-01-13 | Mcdonnell Douglas Corporation | Fastener means and joint for laminates |
| US5099460A (en) * | 1990-08-13 | 1992-03-24 | Seabeam Instruments, Inc. | Sonar transducer |
| CN2589095Y (en) * | 2002-12-30 | 2003-12-03 | 罗伟 | Piezo-electric ring of ultrasonic transducer |
| CN102547542A (en) * | 2012-01-20 | 2012-07-04 | 天津大学 | High-power composite piezoelectric transducer |
| CN202725460U (en) * | 2012-04-17 | 2013-02-13 | 苏州工业园区海纳科技有限公司 | Circular type energy converter |
| CN203695368U (en) * | 2014-02-25 | 2014-07-09 | 温州市龙立方机械科技有限公司 | Ultrasonic transduction pipe |
| CN206009167U (en) * | 2016-09-07 | 2017-03-15 | 哈尔滨龙声超声技术有限公司 | Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer |
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| Publication number | Publication date |
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| CN106269453B (en) | 2018-12-18 |
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