JP6941763B2 - 超音波送受信器 - Google Patents
超音波送受信器 Download PDFInfo
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- JP6941763B2 JP6941763B2 JP2017081813A JP2017081813A JP6941763B2 JP 6941763 B2 JP6941763 B2 JP 6941763B2 JP 2017081813 A JP2017081813 A JP 2017081813A JP 2017081813 A JP2017081813 A JP 2017081813A JP 6941763 B2 JP6941763 B2 JP 6941763B2
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- JP
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- groove
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- electrodes
- piezoelectric body
- receiver
- Prior art date
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- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 16
- 229910000679 solder Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims 3
- 239000002184 metal Substances 0.000 description 15
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- 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
- B06B1/0644—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 a single piezoelectric element
- B06B1/0662—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 a single piezoelectric element with an electrode on the sensitive surface
-
- 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
- B06B1/0644—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 a single piezoelectric element
- B06B1/0659—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 a single piezoelectric element of U-shape
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
図1は、本発明の第1の実施の形態における超音波送受信器10の断面図を示すものである。
として機能する。
図2は、本発明の第2の実施の形態における超音波送受信器20の断面図を示すものである。図において、実施の形態1と同一符号のものは同一構造を有し、説明は省略する。
図4は、本発明の第3の実施の形態における超音波送受信器40の断面図を示すものである。図において、実施の形態2と同一符号のものは同一構造を有し、説明は省略する。
例として、図5に示す超音波送受信器40’ように、両端の溝の内の一方の溝43cの深さを浅くし、浅くしない方の溝43aの部位9aを半田7で補強しても良い。
図6は、本発明の第3の実施の形態における超音波送受信器50の断面図を示すものである。図において、実施の形態2と同一符号のものは同一構造を有し、説明は省略する。
図7は、本発明の第5の実施の形態における超音波送受信器60の断面図を示すものである。図において、実施の形態2と同一符号のものは同一構造を有し、説明は省略する。
2、22、42 圧電体
2a、2b、22a〜22d、42a〜42d 素子
2c、2d、22e、22f、42e、42f 電極
3、23、43a、43b、43c 溝
5 電極線
7 補強部(半田)
10、20、30、40、40’、50、60 超音波送受信器
41 補強導体
61 蓋(押圧部材)
62、63 導通部材
Claims (3)
- 対向する両面に電極を有し、一方の電極面を溝で複数の素子に分割した圧電体と、
前記複数の素子の全素子の電極と電気的に接続された導体と、
前記圧電体の他方の面で前記溝の底に位置する部位に設けた補強部と、
を備え、
前記溝を複数設け、前記補強部は前記溝に位置する部位の内の少なくとも両端の2箇所に設けたことを特徴とする超音波送受信器。 - 対向する両面に電極を有し、一方の電極面を溝で複数の素子に分割した圧電体と、
前記複数の素子の全素子の電極と電気的に接続された導体と、
前記圧電体の他方の面で前記溝の底に位置する部位に設けた補強部と、
を備え、
前記補強部を半田で形成し、その内の少なくとも1つの補強部に電極線を接続したことを特徴とする超音波送受信器。 - 対向する両面に電極を有し、一方の電極面を溝で複数の素子に分割した圧電体と、
前記複数の素子の全素子の電極と電気的に接続された導体と、
前記圧電体の他方の電極面で前記溝の底に位置する部位に設けた導通部材と、
前記導通部材を前記他方の電極面に押圧する押圧部材と、
を備えた超音波送受信器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017081813A JP6941763B2 (ja) | 2017-04-18 | 2017-04-18 | 超音波送受信器 |
EP18788096.8A EP3614693B1 (en) | 2017-04-18 | 2018-04-09 | Ultrasonic transceiver |
CN201880008219.2A CN110199530B (zh) | 2017-04-18 | 2018-04-09 | 超声波发送接收器 |
PT187880968T PT3614693T (pt) | 2017-04-18 | 2018-04-09 | Transcetor ultrassónico |
US16/500,391 US11226220B2 (en) | 2017-04-18 | 2018-04-09 | Ultrasonic transceiver |
PCT/JP2018/014876 WO2018193892A1 (ja) | 2017-04-18 | 2018-04-09 | 超音波送受信器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017081813A JP6941763B2 (ja) | 2017-04-18 | 2017-04-18 | 超音波送受信器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018182604A JP2018182604A (ja) | 2018-11-15 |
JP6941763B2 true JP6941763B2 (ja) | 2021-09-29 |
Family
ID=63856551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017081813A Active JP6941763B2 (ja) | 2017-04-18 | 2017-04-18 | 超音波送受信器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11226220B2 (ja) |
EP (1) | EP3614693B1 (ja) |
JP (1) | JP6941763B2 (ja) |
CN (1) | CN110199530B (ja) |
PT (1) | PT3614693T (ja) |
WO (1) | WO2018193892A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7434732B2 (ja) * | 2019-06-18 | 2024-02-21 | Tdk株式会社 | 圧電素子 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316061A (en) | 1976-07-30 | 1978-02-14 | Toyo Soda Mfg Co Ltd | Room temperature curing aqueous resin compositions |
JPH04269751A (ja) | 1991-02-26 | 1992-09-25 | Fujitsu Ltd | 保管容器 |
JPH0523331A (ja) * | 1991-07-19 | 1993-02-02 | Fujitsu Ltd | 超音波探触子及び該探触子に使用する圧電振動子板の製造方法 |
KR100852555B1 (ko) | 1995-12-13 | 2009-02-06 | 파나소닉 주식회사 | 초음파유량계및초음파송수파기 |
JP3596364B2 (ja) * | 1999-08-05 | 2004-12-02 | 松下電器産業株式会社 | 超音波送受波器および超音波流れ計測装置 |
JP3528726B2 (ja) * | 1999-12-03 | 2004-05-24 | 松下電器産業株式会社 | 超音波振動子およびこれを用いた超音波式流体の流れ計測装置 |
JP4509458B2 (ja) * | 2002-03-18 | 2010-07-21 | パナソニック株式会社 | 超音波振動子及びそれを用いた超音波流量計 |
JP4269751B2 (ja) | 2003-04-04 | 2009-05-27 | パナソニック株式会社 | 整合層の製造方法および整合層を用いた超音波センサ並びに超音波センサを用いた流体の流れ測定装置 |
JP4618165B2 (ja) * | 2006-03-06 | 2011-01-26 | 株式会社デンソー | 超音波センサ |
JP5230248B2 (ja) | 2008-04-24 | 2013-07-10 | 株式会社東芝 | 超音波探触子、超音波探触子の製造方法、および超音波検査装置 |
JP5552820B2 (ja) | 2010-01-28 | 2014-07-16 | コニカミノルタ株式会社 | 超音波探触子および超音波診断装置 |
JP5738671B2 (ja) * | 2011-05-18 | 2015-06-24 | 株式会社東芝 | 超音波トランスデューサ、超音波プローブおよび超音波トランスデューサの製造方法 |
-
2017
- 2017-04-18 JP JP2017081813A patent/JP6941763B2/ja active Active
-
2018
- 2018-04-09 US US16/500,391 patent/US11226220B2/en active Active
- 2018-04-09 EP EP18788096.8A patent/EP3614693B1/en active Active
- 2018-04-09 CN CN201880008219.2A patent/CN110199530B/zh active Active
- 2018-04-09 PT PT187880968T patent/PT3614693T/pt unknown
- 2018-04-09 WO PCT/JP2018/014876 patent/WO2018193892A1/ja unknown
Also Published As
Publication number | Publication date |
---|---|
JP2018182604A (ja) | 2018-11-15 |
WO2018193892A1 (ja) | 2018-10-25 |
US11226220B2 (en) | 2022-01-18 |
PT3614693T (pt) | 2024-03-05 |
EP3614693A1 (en) | 2020-02-26 |
EP3614693B1 (en) | 2024-01-24 |
US20200088557A1 (en) | 2020-03-19 |
CN110199530B (zh) | 2021-01-08 |
EP3614693A4 (en) | 2020-05-06 |
CN110199530A (zh) | 2019-09-03 |
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