CN106269453B - Piezoelectric ceramic ring silver layer protective device and assembly method for ultrasonic transducer - Google Patents
Piezoelectric ceramic ring silver layer protective device and assembly method for ultrasonic transducer Download PDFInfo
- Publication number
- CN106269453B CN106269453B CN201610808484.1A CN201610808484A CN106269453B CN 106269453 B CN106269453 B CN 106269453B CN 201610808484 A CN201610808484 A CN 201610808484A CN 106269453 B CN106269453 B CN 106269453B
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- Prior art keywords
- ring
- piezoelectric ceramic
- silver layer
- conducting ring
- ceramic ring
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- 239000000919 ceramic Substances 0.000 title claims abstract description 106
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 72
- 239000004332 silver Substances 0.000 title claims abstract description 72
- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 9
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 8
- 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
- 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
- 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
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 5
- 230000005684 electric field Effects 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
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 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
- 238000012423 maintenance Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
The present invention relates to ultrasonic transduction engineering device technique field more particularly to a kind of piezoelectric ceramic ring silver layer protective devices of ultrasonic transducer.The device includes interior conducting ring and elastic insulated protection ring, the interior conducting ring is open cyclic structure, and the lateral perimeter of the interior conducting ring is greater than the inside perimeter of piezoelectric ceramic ring, the interior conductive ring cover described in a circumferential direction and the inside silver layer for being close to the piezoelectric ceramic ring, the inside of the interior conducting ring is arranged in the elastic insulated protection ring, and setting is bonded with the interior conducting ring, protection is provided using relatively simple structure for silver layer, and interior conducting ring and outer conducting ring is set to be bonded setting with the inside and outside silver layer of piezoelectric ceramic ring respectively using prestressing force, not only have good conductive property it still, and it is easy for installation, silver layer on the inside of existing piezoelectric ceramic ring is solved to fall off, cause silver layer surface electric field uneven, class of insulation decline and piezoelectric ceramic ring vibration are uneven, the problem of easily leading to piezoelectric ceramic ring fragmentation.
Description
Technical field
The present invention relates to ultrasonic transduction engineering device technique field more particularly to a kind of piezoelectric ceramic ring silver layers of ultrasonic transducer
Protective device.
Background technique
The interior outside of piezoelectric ceramic ring is equipped with silver layer inside energy converter currently on the market, and respectively as piezoelectric ceramics
The anode and cathode of ring, and in use, piezoelectric ceramic ring is radial to be shaken, and welding lead can be understood on silver layer, makes to press
The silver layer of electroceramics ring surfaces externally and internally easily partly or entirely falls off, cause silver layer surface electric field uneven, class of insulation decline and
Piezoelectric ceramic ring vibration is uneven, easily leads to piezoelectric ceramic ring fragmentation, influences the bulk life time of piezoelectric ceramic ring.
Due to piezoelectric ceramic ring material brittle, and inside silver layer is located on the inside of piezoelectric ceramic ring, in piezoelectric ceramic ring radial direction
, can be to piezoelectric ceramic ring central reduction on the inside of piezoelectric ceramic ring when vibration, the above-mentioned characteristic based on piezoelectric ceramic ring is pressed in protection
Not only to consider protection problem when silver layer on the inside of electroceramics ring, it is also necessary to consider influence of the protective device to silver layer electric conductivity,
And influence of the structure of protective device to piezoelectric ceramic ring, therefore protect the protection of inside silver layer relatively difficult.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of piezoelectric ceramic ring silver layer protective devices, are not influencing the normal work of piezoelectric ceramic ring
Under the premise of work, solve silver layer on the inside of existing piezoelectric ceramic ring and fall off, cause uneven silver layer surface electric field, class of insulation decline and
The problem of piezoelectric ceramic ring vibration is uneven, easily leads to piezoelectric ceramic ring fragmentation.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of piezoelectric ceramic ring silver layer guarantors for ultrasonic transducer
Protection unit, including interior conducting ring and elastic insulated protection ring, the interior conducting ring are open cyclic structure, and the interior conduction
The lateral perimeter of ring is greater than the inside perimeter of piezoelectric ceramic ring, and the interior conductive ring cover described in a circumferential direction is simultaneously close to the pressure
The inside silver layer of electroceramics ring, the elastic insulated protection ring are arranged in the inside of the interior conducting ring, and with the interior conduction
Ring fitting setting.
Preferably, the difference of the inside perimeter of the lateral perimeter and piezoelectric ceramic ring of the interior conducting ring is 0.2-0.8mm.
Preferably, the difference of the inside perimeter of the lateral perimeter and piezoelectric ceramic ring of the interior conducting ring is 0.5mm.
Preferably, the elastic insulated protection ring is open cyclic structure.
Preferably, the open end of the elastic insulated protection ring and the open end of the interior conducting ring are arranged in a staggered manner.
It preferably, further include outer conducting ring, the outer conducting ring is bonded setting with the outside silver layer of piezoelectric ceramic ring.
Preferably, winding layer is arranged in the outside of the outer conducting ring, and the winding layer is by indium steel wire, titanium steel silk or wolfram steel
Silk is entwined.
Preferably, the outer conducting ring is made of copper sheet.
Preferably, the interior conducting ring is made of beryllium-bronze.
Piezoelectric ceramic ring silver layer protective device is assembled to the method on piezoelectric ceramic ring the present invention also provides a kind of, is wrapped
It includes:
Piezoelectric ceramic ring is steadily placed, the interior conducting ring under normality is placed into the inside of piezoelectric ceramic ring, at this time institute
The open end for stating interior conducting ring is the overlaying state that interlocks, and one of open end is not contacted with the inside silver layer of piezoelectric ceramic ring；
The open end applied force of the interior conducting ring of silver layer contact, makes the inside of itself and the piezoelectric ceramic ring on the inside of Xiang Weiyu
The inside silver layer of silver layer contact, at this time two open ends docking of interior conducting ring, interior conducting ring and piezoelectric ceramic ring fits closely；
Elastic insulated protection ring is placed on the inside of the interior conducting ring, under the action of elastic force, the elastic insulated guarantor
Retaining ring is close to the interior conducting ring；
Outer conducting ring is set on the outside of the piezoelectric ceramic ring, and is adjacent to the outside silver layer of the piezoelectric ceramic ring；
Winding layer is uniformly arranged on the outside of outer conducting ring.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that the piezoelectric ceramics provided by the present invention for ultrasonic transducer
Ring silver layer protective device, including interior conducting ring and elastic insulated protection ring, the interior conducting ring are open cyclic structure, and institute
The lateral perimeter for stating interior conducting ring is greater than the inside perimeter of piezoelectric ceramic ring, and the interior conductive ring cover described in a circumferential direction is simultaneously tight
Paste the inside silver layer of the piezoelectric ceramic ring, the elastic insulated protection ring is arranged in the inside of the interior conducting ring, and with institute
Interior conducting ring fitting setting is stated, provides protection using relatively simple structure for silver layer, and make interior conduction using prestressing force
Ring and outer conducting ring are bonded setting with the inside and outside silver layer of piezoelectric ceramic ring respectively, and not only making it still has good electric conductivity
Can, and it is easy for installation, under the premise of not influencing piezoelectric ceramic ring normal work, solve silver layer on the inside of existing piezoelectric ceramic ring
It falls off, causes uneven silver layer surface electric field, class of insulation decline and piezoelectric ceramic ring vibration uneven, it is broken to easily lead to piezoelectric ceramic ring
The problem of splitting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one piezoelectric ceramic ring silver layer protective device of the embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section of one piezoelectric ceramic ring silver layer protective device of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of conducting ring in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of two piezoelectric ceramic ring silver layer protective device of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram 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.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, the piezoelectric ceramic ring silver layer provided in an embodiment of the present invention for ultrasonic transducer is protected
Protection unit, including interior conducting ring 2 and elastic insulated protection ring 3, wherein the inside of piezoelectric ceramic ring 1 is arranged in interior conducting ring 2, and
Interior conducting ring 2 is open cyclic structure, and the lateral perimeter of the interior conducting ring 2 is greater than the inside perimeter of piezoelectric ceramic ring, when interior
When the open end alignment of conducting ring 2, interior conducting ring 2 generates prestressing force, and interior conducting ring 2 is made comprehensively more to be adjacent to piezoelectric ceramic ring
1 inside silver layer, and prevent interior conducting ring 2 from falling off from piezoelectric ceramic ring 2, protect inside silver layer well.
It should be noted that Fig. 3 is interior 2 structure of conducting ring under normality, one of open end is pressed in another open end
On, it is placed in piezoelectric ceramic ring 1, the alignment setting of two open end is made by external force.
Further, elastic insulated protection ring 3 is set in the inside of interior conducting ring 2, which all covers
The inside of conducting ring 2 in covering, internal conducting ring play the role of support protection, interior conducting ring are further prevented to fall off, while
Conducting wire can be placed between interior conducting ring 2 and elastic insulated protection ring 3, provide a kind of new conductor connections, and
Connection type is without welding.
Since 1 material of piezoelectric ceramic ring is more crisp, in order to avoid piezoelectric ceramic ring 1 is broken, installation and interior conduction are comprehensively considered
The stability maintenance of ring 2, it is preferable that the difference of the inside perimeter of the lateral perimeter and piezoelectric ceramic ring 1 of interior conducting ring 2 is 0.2-
0.8mm, in the range, convenient interior conducting ring 2 are installed, and the prestressing force generated is enough stably fixed to interior conducting ring 2
The inside of ceramic ring 1, it is highly preferred that the difference of the inside perimeter of the lateral perimeter of interior conducting ring and piezoelectric ceramic ring is 0.5mm.
Further, as shown in Figure 1, for the interior conducting ring 2 of easy for installation and support, elastic insulated protection ring 3 is to open
Formula cyclic structure, and during installation, the open end of spring insulating protection ring 3 and the open end of interior conducting ring 2 are arranged in a staggered manner, preferably
Ground, the open end opposite side setting of the two.
Wherein, the material of elastic insulated protection ring 3 be preferably polyethylene, polypropylene, polystyrene resin, polyimides,
Polycarbonate or polytetrafluoroethylene (PTFE) have appropriate 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, in piezoelectric ceramics
Outer conducting ring 4 is arranged in the outside of ring 1, and outer conducting ring 4 is bonded the outside silver layer setting of piezoelectric ceramic ring 1, in order to not influence outside
The electric conductivity of silver layer, it is preferable that be equipped with winding layer 5 in the outside of outer conducting ring 4, it is preferable that winding layer 5 is by indium steel wire, titanium
The uniform windings such as steel wire or wolfram steel silk form.
Wherein, the thermal expansion coefficient of indium steel wire is small, and effect is best, thermally expands in piezoelectric ceramic ring 1 and outer conducting ring
When, under the action of indium steel wire, outer conducting ring 4, which is still able to maintain, is bonded setting with the outside silver layer of piezoelectric ceramic ring 1.
Preferably, the beryllium-bronze material that outer conducting ring and interior conducting ring are all made of high conductivity is made.
Above-mentioned silver layer protective device is assembled to the method on piezoelectric ceramic ring the embodiment of the invention also provides a kind of, it should
Method the following steps are included:
S1, piezoelectric ceramic ring 1 is steadily placed, the interior conducting ring 2 under normality is placed into the inside of piezoelectric ceramic ring 1,
At this point, as shown in figure 3, the open end of the interior conducting ring 2 be staggeredly overlaying state, one of open end not with piezoelectric ceramics
The inside silver layer of ring 1 contacts；
The open end applied force of the interior conducting ring 2 of silver layer contact, makes itself and the piezoelectric ceramic ring 1 on the inside of S2, Xiang Weiyu
The contact of inside silver layer, at this time as shown in Figure 1, two open ends of interior conducting ring 2 docks, interior conducting ring 2 and piezoelectric ceramic ring 1
Inside silver layer fit closely；
S3, elastic insulated protection ring 3 is placed on 2 inside of interior conducting ring, under the action of elastic force, the elasticity is absolutely
Edge protection ring 3 is close to the interior conducting ring 2；
S4, outer conducting ring is set on the outside of the piezoelectric ceramic ring, entirety is adjacent to the outside of the piezoelectric ceramic ring
Silver layer；
S5, finally in the outside of outer conducting ring 4 it is 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 above-mentioned each sequence of steps is only that more preferably sequence, sequence according to circumstances can be adjusted suitably
It is whole, such as outer conducting ring 4 can be first installed, then winding layer 5 is set, finally successively install again in conducting ring 2 and elastic insulated
Protection ring 3.
Embodiment two
As shown in Figure 4 and Figure 5, the present embodiment two is basically the same as the first embodiment, and something in common repeats no more, difference
It is: at least stretches out a wire bond pad 6 in outer conducting ring 4 and interior conducting ring 2, and be equipped on the wire bond pad 6
For wearing the wire connection hole 61 of conducting wire.
Preferably, as shown in figure 4, being all provided on interior conducting ring 2 and outer conducting ring 4 there are two wire bond pad 6, and four
Wire bond pad 6 is arranged in a staggered manner, and conducting wire is facilitated to connect.
In conclusion provided by the present invention for the piezoelectric ceramic ring silver layer protective device of ultrasonic transducer, using opposite
Simple structure is that silver layer provides protection, and using prestressing force (prestressing force including the application of indium steel wire) make interior conducting ring with
Outer conducting ring is bonded setting with the inside and outside silver layer of piezoelectric ceramic ring respectively, not only has good conductive property it still, and
And it is easy for installation, under the premise of not influencing piezoelectric ceramic ring normal work, solves silver layer on the inside of existing piezoelectric ceramic ring and fall off,
It causes uneven silver layer surface electric field, class of insulation decline and piezoelectric ceramic ring vibration uneven, easily leads to piezoelectric ceramic ring fragmentation
Problem.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of piezoelectric ceramic ring silver layer protective device for ultrasonic transducer, it is characterised in that: including interior conducting ring and bullet
Property insulating protection ring, the interior conducting ring is open cyclic structure, one of open side pressure of the interior conducting ring under normality
On another open end, and the lateral perimeter of the interior conducting ring is greater than the inside perimeter of piezoelectric ceramic ring, in circumferencial direction
The upper interior conductive ring cover and the inside silver layer for being close to the piezoelectric ceramic ring, the elastic insulated protection ring are arranged described
The inside of interior conducting ring, and setting is bonded with the interior conducting ring, the elastic insulated protection ring is open cyclic structure；Also
Including outer conducting ring, the outer conducting ring is bonded setting with the outside silver layer of piezoelectric ceramic ring.
2. piezoelectric ceramic ring silver layer protective device according to claim 1, it is characterised in that: the outside of the interior conducting ring
The difference of the inside perimeter of perimeter and piezoelectric ceramic ring is 0.2-0.8mm.
3. piezoelectric ceramic ring silver layer protective device according to claim 2, it is characterised in that: the outside of the interior conducting ring
The difference of the inside perimeter of perimeter and piezoelectric ceramic ring is 0.5mm.
4. piezoelectric ceramic ring silver layer protective device according to claim 1, it is characterised in that: the elastic insulated protection ring
Open end and the open end of the interior conducting ring be arranged in a staggered manner.
5. piezoelectric ceramic ring silver layer protective device according to claim 1, it is characterised in that: the outside of the outer conducting ring
Winding layer is set, and the winding layer is entwined by indium steel wire, titanium steel silk or wolfram steel silk.
6. piezoelectric ceramic ring silver layer protective device according to claim 5, it is characterised in that: the outer conducting ring is copper sheet
It is made.
7. piezoelectric ceramic ring silver layer protective device according to claim 1-6, it is characterised in that: the interior conduction
Ring is made of beryllium-bronze.
8. a kind of be assembled to the method on piezoelectric ceramic ring for piezoelectric ceramic ring silver layer protective device, it is characterised in that:
Piezoelectric ceramic ring is steadily placed, the interior conducting ring under normality is placed into the inside of piezoelectric ceramic ring, it is described at this time interior
The open end of conducting ring is the overlaying state that interlocks, and one of open end is not contacted with the inside silver layer of piezoelectric ceramic ring；
The open end applied force of the interior conducting ring of silver layer contact, makes its inside silver layer with the piezoelectric ceramic ring on the inside of Xiang Weiyu
The inside silver layer of contact, at this time two open ends docking of interior conducting ring, interior conducting ring and piezoelectric ceramic ring fits closely；
Elastic insulated protection ring is placed on the inside of the interior conducting ring, under the action of elastic force, the elastic insulated protection ring
It is close to the interior conducting ring；
Outer conducting ring is set on the outside of the piezoelectric ceramic ring, and is adjacent to the outside silver layer of the piezoelectric ceramic ring；
Winding layer is uniformly arranged on the outside of outer conducting ring.
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 CN106269453A (en) | 2017-01-04 |
| CN106269453B true CN106269453B (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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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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|---|---|
| CN106269453A (en) | 2017-01-04 |
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