CN110721890A - Light and thin medium-high frequency broadband transduction element - Google Patents
Light and thin medium-high frequency broadband transduction element Download PDFInfo
- Publication number
- CN110721890A CN110721890A CN201911021533.7A CN201911021533A CN110721890A CN 110721890 A CN110721890 A CN 110721890A CN 201911021533 A CN201911021533 A CN 201911021533A CN 110721890 A CN110721890 A CN 110721890A
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- ceramic
- high frequency
- frequency broadband
- transduction
- strip
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- 230000026683 transduction Effects 0.000 title claims abstract description 23
- 238000010361 transduction Methods 0.000 title claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 43
- 239000002131 composite material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B06B1/0607—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 using multiple elements
-
- 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
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The invention discloses a light and thin medium-high frequency broadband transduction element, and belongs to the technical field of transducers. The light and thin medium-high frequency broadband transduction element comprises a plurality of ceramic strips, wherein the ceramic strips are made of piezoelectric ceramics and are spliced along the horizontal direction; the ceramic strip is provided with a positive electrode joint and a negative electrode joint, and the positive electrode joint and the negative electrode joint are connected through a lead as required to realize the serial connection or the parallel connection of the ceramic strips; the length diverse of ceramic strip, through different length the combination of ceramic strip can make high frequency broadband transduction primitive obtains a plurality of resonant frequency in the frivolous type, and these resonant frequency are in the same place at the during operation intercoupling, can effectively improve the bandwidth of transducer, and ceramic strip compares in traditional transduction primitive thickness obvious attenuate, can use in narrow and small space, has increased the application range of transducer energy.
Description
Technical Field
The invention relates to the technical field of transducers, in particular to a light and thin medium-high frequency broadband transduction element.
Background
The common structural form of the medium-high frequency transducer is a composite rod, the ceramic vibrates in the thickness direction and in the length direction, and the mode for improving the high bandwidth of the transducer is usually a multi-mode coupling and matching layer.
In some applications, there is a constraint on the size and weight of the transducer due to platform limitations, which generally requires the transducer to be small in size and light in weight. The transducer adopting the composite rod and the thickness direction vibration ceramic structure form has the problems that the thickness direction resonance frequency is utilized, the thickness is large, the weight is heavy, the processing is difficult in the thick piezoelectric ceramic, and the size and the weight are large when the transducer array is formed for use, so that the problem that the transducer cannot be installed and used is caused.
Disclosure of Invention
The invention aims to provide a light, thin, medium-high frequency broadband transduction element to solve the problem that the existing transducer ceramic strip cannot be installed and used in some narrow spaces due to large thickness and weight.
In order to solve the technical problem, the invention provides a light, thin, medium-high frequency broadband transduction element, which comprises a plurality of ceramic strips, wherein the ceramic strips are spliced along the horizontal direction, and the ceramic strips are directly connected through a lead.
Optionally, the ceramic strip is provided with a positive electrode connector and a negative electrode connector.
Optionally, the lengths of the ceramic strips are different, and the light, thin, medium and high frequency broadband transduction elements can obtain multiple resonant frequencies through the combination of the ceramic strips with different lengths, and the resonant frequencies are mutually coupled together during working, so that the bandwidth of the transducer can be effectively improved.
Optionally, the ceramic strip is piezoelectric ceramic.
The invention provides a light and thin medium-high frequency broadband transduction element which comprises a plurality of ceramic strips, wherein the ceramic strips are made of piezoelectric ceramics and are spliced along the horizontal direction; the ceramic strip is provided with a positive electrode joint and a negative electrode joint, and the positive electrode joint and the negative electrode joint are connected through a lead as required to realize the serial connection or the parallel connection of the ceramic strips; the length diverse of ceramic strip, through different length the combination of ceramic strip can make high frequency broadband transduction primitive obtains a plurality of resonant frequency in the frivolous type, and these resonant frequency are in the same place at the during operation intercoupling, can effectively improve the bandwidth of transducer, and ceramic strip compares in traditional transduction primitive thickness obvious attenuate, can use in narrow and small space, has increased the application range of transducer energy.
Drawings
Fig. 1 is a schematic structural diagram of a lightweight medium-high frequency broadband transduction element provided by the present invention.
Detailed Description
The light, thin, medium-high frequency broadband transduction element according to the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
The invention provides a light and thin medium-high frequency broadband transduction element, which comprises a plurality of ceramic strips 1 as shown in figure 1, wherein the ceramic strips 1 are piezoelectric ceramics; the ceramic strips 1 are spliced along the horizontal direction; the ceramic strip 1 is provided with a positive electrode connector 2 and a negative electrode connector 3, and the positive electrode connector 2 and the negative electrode connector 3 are connected through a lead as required to realize the serial connection or the parallel connection of the ceramic strip 1; the length diverse of ceramic strip 1, through different length the combination of ceramic strip 1 can make high frequency broadband transduction primitive obtains a plurality of resonant frequency in the frivolous type, and these resonant frequency are in the same place at the during operation intercoupling, can effectively improve the bandwidth of transducer, and ceramic strip 1 is compared in the obvious attenuate of traditional transduction primitive thickness, and is a plurality of the transducer that ceramic strip 1 made up can use in narrow and small space, has increased the application range of transducer ability.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (4)
1. The utility model provides a high frequency broadband transduction primitive in frivolous type, characterized in that, includes a plurality of pottery strip (1), a plurality of pottery strip (1) forms along the horizontal direction concatenation, a plurality of pottery strip (1) is direct to be connected through the wire.
2. The lightweight medium-high frequency broadband transduction element according to claim 1, characterized in that the ceramic strip (1) is provided with a positive terminal (2) and a negative terminal (3).
3. The medium-high frequency broadband transduction element according to claim 1, wherein the lengths of the ceramic strips (1) are different, and the combination of the ceramic strips (1) with different lengths can make the medium-high frequency broadband transduction element obtain a plurality of resonant frequencies, and the resonant frequencies are coupled with each other during operation, so as to effectively increase the bandwidth of the transducer.
4. The lightweight, thin medium-high frequency broadband transduction element according to claim 1, characterized in that said ceramic strips (1) are of piezoelectric ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021533.7A CN110721890A (en) | 2019-10-25 | 2019-10-25 | Light and thin medium-high frequency broadband transduction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021533.7A CN110721890A (en) | 2019-10-25 | 2019-10-25 | Light and thin medium-high frequency broadband transduction element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110721890A true CN110721890A (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911021533.7A Pending CN110721890A (en) | 2019-10-25 | 2019-10-25 | Light and thin medium-high frequency broadband transduction element |
Country Status (1)
| Country | Link |
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| CN (1) | CN110721890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146888A (en) * | 2021-11-04 | 2022-03-08 | 深圳市智佐生物科技有限公司 | Broadband ultrasonic transducer array based on multi-frequency point resonance |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB692706A (en) * | 1949-03-18 | 1953-06-10 | Western Electric Co | Electrostrictive ceramics and transducers utilizing them |
| CN101178894A (en) * | 2006-11-10 | 2008-05-14 | 中国科学院声学研究所 | Double resonant vibrations and double promptings longitudinal vibration transducer |
| CN103400574A (en) * | 2013-07-26 | 2013-11-20 | 中国船舶重工集团公司第七一五研究所 | Transmit-receive sharing broadband inlaying annular transducer and preparation method thereof |
| CN104405370A (en) * | 2014-04-11 | 2015-03-11 | 中国石油化工集团公司 | Transmitting transducer for sound wave transmitting of downhole information based on drill stem channels |
| CN105047811A (en) * | 2015-05-29 | 2015-11-11 | 北京信息科技大学 | Stack piezoelectric transducer based on piezoelectric material layers with different thicknesses |
| CN106131744A (en) * | 2016-07-28 | 2016-11-16 | 陕西师范大学 | A kind of ultra-wideband underwater acoustic transducer |
| US20170014866A1 (en) * | 2015-07-16 | 2017-01-19 | Qisda Corporation | Ultrasound probe |
| CN206100449U (en) * | 2016-08-25 | 2017-04-12 | 苏州桑泰海洋仪器研发有限责任公司 | A wide -band transducer for communication |
| CN108802197A (en) * | 2018-06-13 | 2018-11-13 | 武汉科技大学 | The piezoelectric intelligent aggregate of resonant-frequency adjustable |
-
2019
- 2019-10-25 CN CN201911021533.7A patent/CN110721890A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB692706A (en) * | 1949-03-18 | 1953-06-10 | Western Electric Co | Electrostrictive ceramics and transducers utilizing them |
| CN101178894A (en) * | 2006-11-10 | 2008-05-14 | 中国科学院声学研究所 | Double resonant vibrations and double promptings longitudinal vibration transducer |
| CN103400574A (en) * | 2013-07-26 | 2013-11-20 | 中国船舶重工集团公司第七一五研究所 | Transmit-receive sharing broadband inlaying annular transducer and preparation method thereof |
| CN104405370A (en) * | 2014-04-11 | 2015-03-11 | 中国石油化工集团公司 | Transmitting transducer for sound wave transmitting of downhole information based on drill stem channels |
| CN105047811A (en) * | 2015-05-29 | 2015-11-11 | 北京信息科技大学 | Stack piezoelectric transducer based on piezoelectric material layers with different thicknesses |
| US20170014866A1 (en) * | 2015-07-16 | 2017-01-19 | Qisda Corporation | Ultrasound probe |
| CN106131744A (en) * | 2016-07-28 | 2016-11-16 | 陕西师范大学 | A kind of ultra-wideband underwater acoustic transducer |
| CN206100449U (en) * | 2016-08-25 | 2017-04-12 | 苏州桑泰海洋仪器研发有限责任公司 | A wide -band transducer for communication |
| CN108802197A (en) * | 2018-06-13 | 2018-11-13 | 武汉科技大学 | The piezoelectric intelligent aggregate of resonant-frequency adjustable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146888A (en) * | 2021-11-04 | 2022-03-08 | 深圳市智佐生物科技有限公司 | Broadband ultrasonic transducer array based on multi-frequency point resonance |
| CN114146888B (en) * | 2021-11-04 | 2022-08-30 | 深圳市智佐生物科技有限公司 | Broadband ultrasonic transducer array based on multi-frequency point resonance |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200124 |