CN201692927U - Ultrasonic transducer - Google Patents
Ultrasonic transducer Download PDFInfo
- Publication number
- CN201692927U CN201692927U CN2010201693372U CN201020169337U CN201692927U CN 201692927 U CN201692927 U CN 201692927U CN 2010201693372 U CN2010201693372 U CN 2010201693372U CN 201020169337 U CN201020169337 U CN 201020169337U CN 201692927 U CN201692927 U CN 201692927U
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- piezoelectric ceramics
- concave structure
- working head
- ultrasonic wave
- ultrasonic transducer
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Abstract
The utility model provides an ultrasonic transducer. An ultrasonic work head made of glass material is tightly attached to piezoelectric ceramics through bonding; and due to similar elastic modulus of glass material and piezoceramics, the vibration output efficiency after the work head is bonded with the piezoelectric ceramics is higher than that if the work head is bonded with material with different elastic modulus. The ultrasonic transducer can be extensively applied to ultrasonic beauty apparatus, ultrasonic medical instruments, ultrasonic cleaning machines, ultrasonic detection, and other fields.
Description
Technical field
The utility model relates to ultrasonic device, relates in particular to a kind of ultrasonic transducer.
Background technology
Existing ultrasonic transducer generally adopts the good metal material of elastic performance as the ultrasonic wave working head.But the elastic modelling quantity of metal material and the elastic modelling quantity of piezoelectric ceramics are not close, cause vibrating delivery efficiency not high, produce the cost height in enormous quantities in addition.
The utility model content
The technical problems to be solved in the utility model provides a kind of ultrasonic transducer, adopts glass material to make the ultrasonic wave working head, fits tightly together with piezoelectric ceramics by bonding, reduces the self-oscillation loss, increases work efficiency.
The utility model has adopted following technical scheme:
A kind of ultrasonic transducer, the ultrasonic wave working head that comprises piezoelectric ceramics, makes by the elasticity nonmetallic materials; The difference of the elastic modelling quantity of the elastic modelling quantity of described piezoelectric ceramics and described elasticity nonmetallic materials is less than predetermined threshold value; Described piezoelectric ceramics and described ultrasonic wave working head are fixed together in bonding mode.
Preferably, described bonding mode is by solidifying bonding described piezoelectric ceramics of glue and described ultrasonic wave working head.
Further, described ultrasonic wave working head is shaped as sheet.
Further, described ultrasonic wave working head is shaped as at least one concave structure.
Preferably, when described ultrasonic wave working head be shaped as a columniform concave structure time, described piezoelectric ceramics is fixed on the bottom of described concave structure by bonding way.
Preferably, when the above concave structure that is shaped as of described ultrasonic wave working head, at least one described piezoelectric ceramics is fixed on the bottom of described at least one concave structure by bonding way.
Preferably, when two concave structures that are shaped as of described ultrasonic wave working head, first concave structure is an annular, and second concave structure is circle and the ring that is positioned at described first concave structure; The bottom of described first concave structure is fixed with the piezoelectric ceramics that is complementary with described first concave structure by bonding way, and the bottom of described second concave structure is fixed with and described second piezoelectric ceramics that concave structure is complementary by bonding way.
Preferably, described elasticity nonmetallic materials are made by glass material.
Preferably, described elasticity nonmetallic materials have light transmission.
Preferably, described ultrasonic wave working head is provided with conduction plated film layer, is used for being electrically connected.
The beneficial effects of the utility model are: adopt the elasticity nonmetallic materials to make the ultrasonic wave working head, fit tightly together by bonding way and piezoelectric ceramics, elastic modelling quantity difference between elasticity nonmetallic materials and the piezoelectric ceramics is controlled at one and fixes in the scope that is close, the vibration delivery efficiency height that the vibration delivery efficiency that both bond together can bond together than the material of different elastic modelling quantity.
Description of drawings
Fig. 1 is the structural representation of the utility model ultrasonic transducer embodiment one;
Fig. 2 is embodiment illustrated in fig. 1 one vertical view;
Fig. 3 is the structural representation of the utility model ultrasonic transducer embodiment two;
Fig. 4 is the structural representation of the utility model ultrasonic transducer embodiment three.
The specific embodiment
In conjunction with the accompanying drawings the utility model is described in further detail below by the specific embodiment.
The utility model ultrasonic transducer comprises ultrasonic wave working head, piezoelectric ceramics, and wherein, the ultrasonic wave working head is made by the elasticity nonmetallic materials, and the difference of the elastic modelling quantity of the elastic modelling quantity of piezoelectric ceramics and elasticity nonmetallic materials is less than predetermined threshold value.Practice shows that the elastic modelling quantity of the elastic modelling quantity of piezoelectric ceramics and the employed material of ultrasonic wave working head is approaching more, and the vibration delivery efficiency that both bond together can be than the coherent vibration delivery efficiency of the material of different elastic modelling quantity height.Therefore, this predetermined threshold value is reference with the difference of the elastic modelling quantity of the elastic modelling quantity of piezoelectric ceramics and metal material, as long as the difference of the elastic modelling quantity of the elastic modelling quantity of piezoelectric ceramics and elasticity nonmetallic materials is less than the difference of the elastic modelling quantity of the elastic modelling quantity of piezoelectric ceramics and metal material; The elastic modelling quantity of the elastic modelling quantity of piezoelectric ceramics and elasticity nonmetallic materials is close in a kind of most preferred embodiment.Piezoelectric ceramics and ultrasonic wave working head are fixed together by bonding way.In the utility model embodiment one, two and three, it is bonding that piezoelectric ceramics and ultrasonic wave working head solidify glue by high strength.
These elasticity nonmetallic materials are glass material among a kind of embodiment; In a kind of most preferred embodiment, glass material is made by the quartz crystal material.
Among the another kind of embodiment, these elasticity nonmetallic materials have light transmission, are convenient to utilize when ultrasonic transducer need be exported light.
Among another embodiment, these elasticity nonmetallic materials can die cast, can reduce the cost of transducer product when producing product in enormous quantities greatly, especially when requiring the curved surface proterties of more complicated, the relative metal material of the processing cost of this elasticity nonmetallic materials can be lower.
Among another embodiment, the relative metal material of the elastic damping of these elasticity nonmetallic materials is littler, is more suitable for making the higher ultrasonic transducer of frequency.
Among another embodiment, the ultrasonic wave working head is provided with conduction plated film layer and is used for being electrically connected with piezoelectric ceramics.
As depicted in figs. 1 and 2, in embodiment one, ultrasonic wave working head 1 is sheet (the oblique line part in the diagram), and piezoelectric ceramics 3 (the cross spider part in the diagram) solidifies glue 2 (the heavy line part in the diagram) by high strength and fits tightly together, draws lead 4 on the piezoelectric ceramics.The edge of ultrasonic wave working head 1 and piezoelectric ceramics 3 can be an Any shape, as quadrangle, circle etc.Among the another kind of embodiment, when ultrasonic wave working head 1 was provided with conduction plated film layer, lead 4 also can be drawn from ultrasonic wave working head 1.
As shown in Figure 3, among the embodiment two, ultrasonic wave working head 1 is a concave structure (the oblique line part in the diagram), and the outer of this concave structure can be cylindrical, also can be the shape at oval or other edges; Solidify glue 2 (the heavy line part in the diagram) by high strength between ultrasonic wave working head 1 and the piezoelectric ceramics 3 (the cross spider part in the diagram) and fit tightly together, draw lead 4 on the piezoelectric ceramics.
As shown in Figure 4, among the embodiment three, ultrasonic wave working head 1 (the oblique line part in the diagram) is complicated structure, constitute by at least one concave structure, bottom at least one these concave structure, be distributed with at least one as required by the piezoelectric ceramics 3 (the cross spider part in the diagram) that high strength curing glue 2 (the heavy line part in the diagram) and this concave bottom fit tightly, the interference problem between each piezoelectric ceramic piece can adopt art methods to be solved; Draw lead 4 on the piezoelectric ceramics.
Among the embodiment three the ultrasonic wave working head be shaped as two concave structures, first concave structure is an annular, ring and outer ring size are respectively Φ * 4 and Φ * 5, the second concave structure is that size is the circle of Φ * 1 in it, are positioned at the ring of first concave structure; The bottom of first concave structure is fixed with the piezoelectric ceramics that is complementary with first concave structure by bonding way, and the bottom of second concave structure is fixed with the piezoelectric ceramics that is complementary with second concave structure by bonding way.Circular piezoelectric potsherd and the ring piezoelectric potsherd in first concave structure in second concave structure are bonded on the same ultrasonic wave working head jointly, and its resonant frequency both can be the same or different.
To sum up, the utility model adopts the elasticity nonmetallic materials to make the ultrasonic wave working head, fits tightly together with piezoelectric ceramics by bonding, compared to existing technologies, can save processing cost.The utility model ultrasonic transducer can be widely used in fields such as supersonic face care instrument, ultrasound medical instrument, supersonic wave cleaning machine, ultrasonic listening.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the those of ordinary skill of technical field described in the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. ultrasonic transducer is characterized in that: the ultrasonic wave working head that comprises piezoelectric ceramics, made by the elasticity nonmetallic materials; The difference of the elastic modelling quantity of the elastic modelling quantity of described piezoelectric ceramics and described elasticity nonmetallic materials is less than predetermined threshold value; Described piezoelectric ceramics and described ultrasonic wave working head are fixed together in bonding mode.
2. ultrasonic transducer as claimed in claim 1 is characterized in that: described bonding mode is by solidifying bonding described piezoelectric ceramics of glue and described ultrasonic wave working head.
3. ultrasonic transducer as claimed in claim 1 is characterized in that: described ultrasonic wave working head be shaped as sheet.
4. ultrasonic transducer as claimed in claim 1 is characterized in that: described ultrasonic wave working head be shaped as at least one concave structure.
5. ultrasonic transducer as claimed in claim 4 is characterized in that: when described ultrasonic wave working head be shaped as a columniform concave structure time, described piezoelectric ceramics is fixed on the bottom of described concave structure by bonding way.
6. ultrasonic transducer as claimed in claim 4 is characterized in that: when the above concave structure that is shaped as of described ultrasonic wave working head, at least one described piezoelectric ceramics is fixed on the bottom of described at least one concave structure by bonding way.
7. ultrasonic transducer as claimed in claim 4 is characterized in that: when two concave structures that are shaped as of described ultrasonic wave working head, first concave structure is an annular, and second concave structure is circle and the ring that is positioned at described first concave structure; The bottom of described first concave structure is fixed with the piezoelectric ceramics that is complementary with described first concave structure by bonding way, and the bottom of described second concave structure is fixed with and described second piezoelectric ceramics that concave structure is complementary by bonding way.
8. as each described ultrasonic transducer of claim 1 to 7, it is characterized in that: described elasticity nonmetallic materials are made by the crystal glass material.
9. as each described ultrasonic transducer of claim 1 to 7, it is characterized in that: described elasticity nonmetallic materials have light transmission.
10. as each described ultrasonic transducer of claim 1 to 7, it is characterized in that: described ultrasonic wave working head is provided with conduction plated film layer, is used for being electrically connected with piezoelectric ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693372U CN201692927U (en) | 2010-04-12 | 2010-04-12 | Ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693372U CN201692927U (en) | 2010-04-12 | 2010-04-12 | Ultrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201692927U true CN201692927U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201693372U Expired - Fee Related CN201692927U (en) | 2010-04-12 | 2010-04-12 | Ultrasonic transducer |
Country Status (1)
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| CN (1) | CN201692927U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402980A (en) * | 2011-02-15 | 2012-04-04 | 何伟宗 | Mode and device for carrying out energy transfer between ultrasonic wave and vibration wave energy converter and liquid connecting tool head |
| CN102873018A (en) * | 2012-09-18 | 2013-01-16 | 浙江大学 | Ultrasonic transducer with matching layer being solidified asynchronously |
| CN105149201A (en) * | 2015-09-25 | 2015-12-16 | 无锡市博阳超声电器有限公司 | Ultrasonic transducer |
| CN105327844A (en) * | 2015-11-16 | 2016-02-17 | 无锡市华能超声电子有限公司 | Ultrasonic transduction method and device for liquid treatment |
| CN107449455A (en) * | 2017-09-18 | 2017-12-08 | 苏州市易德龙电子元件科技有限公司 | A kind of ultrasonic sensor |
| CN103418541B (en) * | 2012-05-21 | 2018-05-11 | 精工爱普生株式会社 | Ultrasonic transducer, ultrasonic detector and apparatus for ultrasonic examination |
| CN112317286A (en) * | 2020-09-07 | 2021-02-05 | 江苏大学 | Underwater sound wave radiator based on bionic principle |
-
2010
- 2010-04-12 CN CN2010201693372U patent/CN201692927U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402980A (en) * | 2011-02-15 | 2012-04-04 | 何伟宗 | Mode and device for carrying out energy transfer between ultrasonic wave and vibration wave energy converter and liquid connecting tool head |
| CN103418541B (en) * | 2012-05-21 | 2018-05-11 | 精工爱普生株式会社 | Ultrasonic transducer, ultrasonic detector and apparatus for ultrasonic examination |
| CN102873018A (en) * | 2012-09-18 | 2013-01-16 | 浙江大学 | Ultrasonic transducer with matching layer being solidified asynchronously |
| CN102873018B (en) * | 2012-09-18 | 2014-09-10 | 浙江大学 | Ultrasonic transducer with matching layer being solidified asynchronously |
| CN105149201A (en) * | 2015-09-25 | 2015-12-16 | 无锡市博阳超声电器有限公司 | Ultrasonic transducer |
| CN105327844A (en) * | 2015-11-16 | 2016-02-17 | 无锡市华能超声电子有限公司 | Ultrasonic transduction method and device for liquid treatment |
| CN107449455A (en) * | 2017-09-18 | 2017-12-08 | 苏州市易德龙电子元件科技有限公司 | A kind of ultrasonic sensor |
| WO2019051921A1 (en) * | 2017-09-18 | 2019-03-21 | 苏州市易德龙电子元件科技有限公司 | Ultrasonic sensor |
| CN112317286A (en) * | 2020-09-07 | 2021-02-05 | 江苏大学 | Underwater sound wave radiator based on bionic principle |
| CN112317286B (en) * | 2020-09-07 | 2022-06-21 | 江苏大学 | Underwater sound wave radiator based on bionic principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20140412 |