JPH01158986U - - Google Patents

Info

Publication number
JPH01158986U
JPH01158986U JP5428588U JP5428588U JPH01158986U JP H01158986 U JPH01158986 U JP H01158986U JP 5428588 U JP5428588 U JP 5428588U JP 5428588 U JP5428588 U JP 5428588U JP H01158986 U JPH01158986 U JP H01158986U
Authority
JP
Japan
Prior art keywords
matching layer
ultrasonic transducer
acoustic matching
case
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5428588U
Other languages
Japanese (ja)
Other versions
JPH0723755Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP5428588U priority Critical patent/JPH0723755Y2/en
Publication of JPH01158986U publication Critical patent/JPH01158986U/ja
Application granted granted Critical
Publication of JPH0723755Y2 publication Critical patent/JPH0723755Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る超音波送受波器の構成を
示す断面図、第２図、第３図は同超音波送受波器
における音響整合層の変形例を示す断面図、第４
図、第５図は音響整合層の厚みをそれぞれ超音波
の1/2λ、1/4λに設定した際の周波数−送受波感
度の相関関係を示す各グラフ、第６図は超音波送
受波器の一般構成を示す概略図、第７図、第８図
は従来の超音波送受波器の構成を示す各断面図で
ある。 １０……超音波送受波器、１１……超音波振動
子、１２……ダンパ、１３……音響整合層、１３
ｂ……周縁部、１４……ホルダ、１５……ケース
、２０……シール部材、２１，２３……音響整合
層。 FIG. 1 is a cross-sectional view showing the configuration of an ultrasonic transducer according to the present invention, FIGS. 2 and 3 are cross-sectional views showing modified examples of the acoustic matching layer in the ultrasonic transducer, and FIG.
Figure 5 is a graph showing the correlation between frequency and transmitting/receiving sensitivity when the thickness of the acoustic matching layer is set to 1/2λ and 1/4λ of the ultrasonic wave, respectively, and Figure 6 is the ultrasonic transducer. 7 and 8 are cross-sectional views showing the structure of a conventional ultrasonic transducer. 10... Ultrasonic transducer, 11... Ultrasonic transducer, 12... Damper, 13... Acoustic matching layer, 13
b... Peripheral portion, 14... Holder, 15... Case, 20... Seal member, 21, 23... Acoustic matching layer.

Claims (1)

【実用新案登録請求の範囲】 超音波振動子とこの超音波振動子と超音波伝播
媒質との音響インピーダンスの整合をとる音響整
合層とを備え、ケースとその音響整合層との間に
シール部材を介在させ、内部電極をシールするよ
うにした超音波送受波器において、 前記音響整合層周縁部の厚みが超音波振動子か
ら発生する超音波の波長のほぼ1/2になるように
この音響整合層の振動子当接部を凹形状に設定す
るとともに、該音響整合層の周縁部の上下面側を
ケースにより挾着保持するようにしたことを特徴
とする超音波送受波器。[Claims for Utility Model Registration] An ultrasonic transducer and an acoustic matching layer that matches the acoustic impedance between the ultrasonic transducer and an ultrasonic propagation medium, and a sealing member between the case and the acoustic matching layer. In an ultrasonic transducer in which an internal electrode is sealed with a 1. An ultrasonic transducer characterized in that the transducer contact portion of the matching layer is set in a concave shape, and the upper and lower surfaces of the peripheral edge of the acoustic matching layer are held by a case.
JP5428588U 1988-04-22 1988-04-22 Ultrasonic sensor Expired - Lifetime JPH0723755Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5428588U JPH0723755Y2 (en) 1988-04-22 1988-04-22 Ultrasonic sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5428588U JPH0723755Y2 (en) 1988-04-22 1988-04-22 Ultrasonic sensor

Publications (2)

Publication Number Publication Date
JPH01158986U true JPH01158986U (en) 1989-11-02
JPH0723755Y2 JPH0723755Y2 (en) 1995-05-31

Family

ID=31280222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5428588U Expired - Lifetime JPH0723755Y2 (en) 1988-04-22 1988-04-22 Ultrasonic sensor

Country Status (1)

Country Link
JP (1) JPH0723755Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009020086A (en) * 2006-09-22 2009-01-29 Denso Corp Ultrasonic sensor
JP2012513713A (en) * 2008-12-23 2012-06-14 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Ultrasonic transducers used in fluid media
JP2020108113A (en) * 2018-12-28 2020-07-09 京セラ株式会社 Ultrasonic sensor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11590535B2 (en) * 2017-10-25 2023-02-28 Honeywell International Inc. Ultrasonic transducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009020086A (en) * 2006-09-22 2009-01-29 Denso Corp Ultrasonic sensor
JP2012513713A (en) * 2008-12-23 2012-06-14 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Ultrasonic transducers used in fluid media
JP2020108113A (en) * 2018-12-28 2020-07-09 京セラ株式会社 Ultrasonic sensor

Also Published As

Publication number Publication date
JPH0723755Y2 (en) 1995-05-31

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