CN206009167U - Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer - Google Patents
Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer Download PDFInfo
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- CN206009167U CN206009167U CN201621042609.6U CN201621042609U CN206009167U CN 206009167 U CN206009167 U CN 206009167U CN 201621042609 U CN201621042609 U CN 201621042609U CN 206009167 U CN206009167 U CN 206009167U
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Abstract
This utility model is related to ultrasonic transduction engineering device technique field, more particularly to a kind of piezoelectric ceramic ring silver layer protection device of power ultrasonic transducer.The device includes interior conducting ring and elastic insulated protection ring, the interior conducting ring is open circulus, and the lateral perimeter of the interior conducting ring is more than the inner side girth of piezoelectric ceramic ring, described in a circumferential direction interior conductive ring cover is simultaneously close to the inner side silver layer of the piezoelectric ceramic ring, the elastic insulated protection ring is arranged on the inner side of the interior conducting ring, and setting of fitting with the interior conducting ring, protection is provided using relatively simple structure for silver layer, and make interior conducting ring and outer conducting ring fit with the inside and outside silver layer of piezoelectric ceramic ring respectively setting using prestressing force, not only make which that still there is excellent conductive performance, and it is easy for installation, solve silver layer on the inside of existing piezoelectric ceramic ring to come off, cause silver layer surface electric field uneven, the class of insulation declines and piezoelectric ceramic ring vibrations are uneven, it is easily caused the problem of piezoelectric ceramic ring fragmentation.
Description
Technical field
This utility model is related to ultrasonic transduction engineering device technique field, more particularly to a kind of piezoelectricity pottery of power ultrasonic transducer
Ceramic ring silver layer protection device.
Background technology
Inside transducer in the market, the interior outside of piezoelectric ceramic ring is equipped with silver layer, and respectively as piezoelectric ceramics
The positive pole and negative pole of ring, and in use, piezoelectric ceramic ring radially shakes, and welding lead can be understood on silver layer, make pressure
The silver layer of electroceramics ring surfaces externally and internally easily partly or entirely comes off, cause that silver layer surface electric field is uneven, the class of insulation declines and
Piezoelectric ceramic ring vibrations are uneven, are easily caused piezoelectric ceramic ring fragmentation, affect the bulk life time of piezoelectric ceramic ring.
Due to piezoelectric ceramic ring material brittle, and inner side silver layer is located on the inside of piezoelectric ceramic ring, in piezoelectric ceramic ring radially
During vibrations, can be to piezoelectric ceramic ring central reduction, based on the above-mentioned characteristic of piezoelectric ceramic ring, in protection pressure on the inside of piezoelectric ceramic ring
Protection problem will not only be considered on the inside of electroceramics ring during silver layer, in addition it is also necessary to consider impact of the protection device to silver layer electric conductivity,
And impact of the structure of protection device to piezoelectric ceramic ring, therefore the protection of protection inner side silver layer is relatively difficult.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is to provide a kind of piezoelectric ceramic ring silver layer protection device, is not just affecting piezoelectric ceramic ring
On the premise of often working, solve silver layer on the inside of existing piezoelectric ceramic ring and come off, cause under silver layer surface electric field inequality, the class of insulation
Drop and piezoelectric ceramic ring vibrations are uneven, are easily caused the problem of piezoelectric ceramic ring fragmentation.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of piezoelectric ceramics for power ultrasonic transducer
Ring silver layer protection device, including interior conducting ring and elastic insulated protection ring, the interior conducting ring is open circulus, and institute
The inner side girth of the lateral perimeter more than piezoelectric ceramic ring of interior conducting ring is stated, described in a circumferential direction interior conductive ring cover is simultaneously tight
Paste the inner side silver layer of the piezoelectric ceramic ring, the elastic insulated protection ring is arranged on the inner side of the interior conducting ring, and with institute
State interior conducting ring laminating to arrange.
Preferably, the lateral perimeter of the 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 the interior conducting ring is 0.5mm with the difference of the inner side girth of piezoelectric ceramic ring.
Preferably, the elastic insulated protection ring is open circulus.
Preferably, the open end of the open end of the elastic insulated protection ring and the interior conducting ring is staggered setting.
Preferably, also include outer conducting ring, the outer conducting ring is fitted with the outside silver layer of piezoelectric ceramic ring setting.
Preferably, winding layer is provided with the outside of the outer conducting ring.
Preferably, the winding layer is entwined by indium steel wire, wolfram steel silk or titanium steel silk.
Preferably, the outer conducting ring is made up of copper sheet.
Preferably, the interior conducting ring is made up of beryllium-bronze.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the advantage that：This utility model provide for power ultrasonic transducing
The piezoelectric ceramic ring silver layer protection device of device, including interior conducting ring and elastic insulated protection ring, the interior conducting ring is open
Circulus, and the lateral perimeter of the interior conducting ring is more than the inner side girth of piezoelectric ceramic ring, described in a circumferential direction interior
Conductive ring cover is simultaneously close to the inner side silver layer of the piezoelectric ceramic ring, and the elastic insulated protection ring is arranged on the interior conducting ring
Inner side, and setting of fitting with the interior conducting ring provides protection using relatively simple structure for silver layer, and using pre-
Stress makes interior conducting ring and outer conducting ring fit with the inside and outside silver layer of piezoelectric ceramic ring respectively setting, which is still had good
Good electric conductivity, and easy for installation, on the premise of piezoelectric ceramic ring normal work is not affected, solve existing piezoelectric ceramics
On the inside of ring, silver layer comes off, and causes uneven silver layer surface electric field, class of insulation decline and piezoelectric ceramic ring vibrations uneven, is easily caused pressure
The problem of electroceramics ring fragmentation.
Description of the drawings
Fig. 1 is the structural representation of one piezoelectric ceramic ring silver layer protection device of this utility model embodiment；
Fig. 2 is the generalized section of one piezoelectric ceramic ring silver layer protection device of this utility model embodiment；
Fig. 3 is the structural representation of the interior conducting ring under one normality of this utility model embodiment；
Fig. 4 is the structural representation of two piezoelectric ceramic ring silver layer protection device of this utility model embodiment；
Fig. 5 is the structural representation of conducting ring in this utility model embodiment 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
Purpose, technical scheme and advantage for making this utility model embodiment is clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment that states is a part of embodiment of the present utility model, rather than whole embodiments.Reality in based on this utility model
Apply example, the every other embodiment obtained on the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of this utility model protection.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, the piezoelectric ceramics for power ultrasonic transducer that this utility model embodiment is provided
Ring silver layer protection device, including interior conducting ring 2 and elastic insulated protection ring 3, wherein interior conducting ring 2 is arranged on piezoelectric ceramic ring 1
Inner side, and interior conducting ring 2 is open circulus, the inner side of the lateral perimeter of the interior conducting ring 2 more than piezoelectric ceramic ring
Girth, when the open end of interior conducting ring 2 is alignd, interior conducting ring 2 produces prestressing force, interior conducting ring 2 is comprehensively more adjacent to
The inner side silver layer of piezoelectric ceramic ring 1, and prevent interior conducting ring 2 from coming off from piezoelectric ceramic ring 2, inner side silver layer is obtained well
Protection.
It should be noted that Fig. 3 is 2 structure of interior conducting ring under normality, one of open end is pressed in another open end
On, it is placed in piezoelectric ceramic ring 1, arranges two open end alignment by external force.
Further, elastic insulated protection ring 3 is set in the inner side of interior conducting ring 2, the elastic insulated protection ring 3 all covers
The inner side of conducting ring 2 in lid, internal conducting ring play a part of to support protection, further prevent interior conducting ring from coming off, while
Wire can be placed between interior conducting ring 2 and elastic insulated protection ring 3, there is provided a kind of new conductor connections, and
Connected mode is without the need for welding.
As 1 material of piezoelectric ceramic ring is more crisp, in order to avoid piezoelectric ceramic ring 1 is broken, installation and interior conduction is considered
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 for producing is stably fixed to interior conducting ring 2 enough
The inner side of ceramic ring 1, it is highly preferred that the lateral perimeter of interior conducting ring is 0.5mm with the difference of the inner side girth of piezoelectric ceramic ring.
Further, as shown in figure 1, for conducting ring 2 in easy for installation and support, elastic insulated protection ring 3 is opening
Formula circulus, and when mounted, the open end of the open end of spring insulating protection ring 3 and interior conducting ring 2 stagger setting, preferably
Ground, both open end couple positioned opposites.
Wherein, the material of elastic insulated protection ring 3 be preferably polyethylene, polypropylene, polystyrene resins, polyimides,
Merlon or politef, more preferable with appropriate elastic effect.
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
The outside of ring 1 arranges outer conducting ring 4, and the outside silver layer of the laminating 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 be provided 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 winding such as steel wire or wolfram steel silk is formed.
Wherein, the thermal coefficient of expansion of indium steel wire is little, best results, and thermal expansion occurs in piezoelectric ceramic ring 1 and outer conducting ring
When, in the presence of indium steel wire, outer conducting ring 4 can still keep setting of fitting with the outside silver layer of piezoelectric ceramic ring 1.
Preferably, outer conducting ring and interior conducting ring are made using the beryllium-bronze material of high conductivity.
This utility model embodiment is additionally provided and a kind of above-mentioned silver layer protection device is assembled to the side on piezoelectric ceramic ring
Method, the method are comprised the following steps：
S1, by 1 steady placement of piezoelectric ceramic ring, the inner side that the interior conducting ring 2 under normality is placed into piezoelectric ceramic ring 1,
Now, as shown in figure 3, the open end of the interior conducting ring 2 is staggeredly overlaying state, one of open end not with piezoelectric ceramics
The inner side silver layer contact of ring 1；
The open end applying power of the interior conducting ring 2 of silver layer contact on the inside of S2, Xiang Weiyu so as to the piezoelectric ceramic ring 1
The contact of inner side silver layer, now as shown in figure 1, two open ends docking of interior conducting ring 2, interior conducting ring 2 and piezoelectric ceramic ring 1
Inner side silver layer be brought into close contact；
S3, elastic insulated protection ring 3 is placed on the inside of the interior conducting ring 2, in the presence 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, its entirety is adjacent to the outside of the piezoelectric ceramic ring
Silver layer；
S5, finally winding layer 5 is uniformly arranged in the outside of outer conducting ring 4, 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 sequentially, which sequentially according to circumstances suitably can be adjusted
Whole, outer conducting ring 4 for example can be first installed, then winding layer 5 is set, finally install successively 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 essentially identical with embodiment one, and something in common is repeated no more, difference
It is：At least stretch out in outer conducting ring 4 and interior conducting ring 2 and be equipped with a wire bond pad 6, and the wire bond pad 6
For wearing the wire connection hole 61 of wire.
Preferably, as shown in figure 4, being equipped with two wire bond pads 6 on interior conducting ring 2 and outer conducting ring 4, and four
Wire bond pad 6 staggers setting, facilitates wire to connect.
In sum, the piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer that this utility model is provided,
Protection is provided using relatively simple structure for silver layer, and made using prestressing force (including the prestressing force that indium steel wire applies) interior
Conducting ring and outer conducting ring are fitted with the inside and outside silver layer of piezoelectric ceramic ring setting respectively, not only make which that still there is good conduction
Performance, and easy for installation, on the premise of piezoelectric ceramic ring normal work is not affected, solve silver on the inside of existing piezoelectric ceramic ring
Layer comes off, and causes uneven silver layer surface electric field, class of insulation decline and piezoelectric ceramic ring vibrations uneven, is easily caused piezoelectric ceramic ring
The problem of fragmentation.
Finally it should be noted that：Above example only in order to the technical solution of the utility model to be described, rather than a limitation；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
Which still can be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment technology of this utility model
The spirit and scope of scheme.
Claims (10)
1. a kind of piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer, it is characterised in that：Including interior conducting ring
With elastic insulated protection ring, the interior conducting ring is open circulus, and the lateral perimeter of the interior conducting ring is more than pressure
The inner side girth of electroceramics ring, described in a circumferential direction interior conductive ring cover and be close to the piezoelectric ceramic ring inner side silver
Layer, the elastic insulated protection ring are arranged on the inner side of the interior conducting ring, and setting of fitting with the interior conducting ring.
2. piezoelectric ceramic ring silver layer protection device according to claim 1, it is characterised in that：The outside of the interior conducting ring
Girth is 0.2-0.8mm with the difference of the inner side girth of piezoelectric ceramic ring.
3. piezoelectric ceramic ring silver layer protection device according to claim 2, it is characterised in that：The outside of the interior conducting ring
Girth is 0.5mm with the difference of the inner side girth of piezoelectric ceramic ring.
4. piezoelectric ceramic ring silver layer protection device according to claim 1, it is characterised in that：The elastic insulated protection ring
For open circulus.
5. piezoelectric ceramic ring silver layer protection device according to claim 4, it is characterised in that：The elastic insulated protection ring
The open end of open end and the interior conducting ring stagger setting.
6. piezoelectric ceramic ring silver layer protection device according to claim 1, it is characterised in that：Also include outer conducting ring, institute
State outer conducting ring to fit with the outside silver layer of piezoelectric ceramic ring setting.
7. piezoelectric ceramic ring silver layer protection device according to claim 6, it is characterised in that：The outside of the outer conducting ring
It is provided with winding layer.
8. piezoelectric ceramic ring silver layer protection device according to claim 7, it is characterised in that：The winding layer is by indium steel
Silk, wolfram steel silk or titanium steel silk are entwined.
9. piezoelectric ceramic ring silver layer protection device according to claim 7, it is characterised in that：The outer conducting ring is copper sheet
Make.
10. the piezoelectric ceramic ring silver layer protection device according to any one of claim 1-9, it is characterised in that：Described interior lead
Electric ring is made up of beryllium-bronze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042609.6U CN206009167U (en) | 2016-09-07 | 2016-09-07 | Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042609.6U CN206009167U (en) | 2016-09-07 | 2016-09-07 | Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206009167U true CN206009167U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621042609.6U Active CN206009167U (en) | 2016-09-07 | 2016-09-07 | Piezoelectric ceramic ring silver layer protection device for power ultrasonic transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269453A (en) * | 2016-09-07 | 2017-01-04 | 哈尔滨龙声超声技术有限公司 | Piezoelectric ceramic ring silver layer protection device and assembly method for ultrasonic transducer |
-
2016
- 2016-09-07 CN CN201621042609.6U patent/CN206009167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269453A (en) * | 2016-09-07 | 2017-01-04 | 哈尔滨龙声超声技术有限公司 | Piezoelectric ceramic ring silver layer protection device and assembly method for ultrasonic transducer |
| CN106269453B (en) * | 2016-09-07 | 2018-12-18 | 哈尔滨龙声超声技术有限公司 | Piezoelectric ceramic ring silver layer protective device and assembly method for ultrasonic transducer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |