JPH0334699A - Low-frequency underwater ultrasonic transmitter-receiver - Google Patents
Low-frequency underwater ultrasonic transmitter-receiverInfo
- Publication number
- JPH0334699A JPH0334699A JP16674389A JP16674389A JPH0334699A JP H0334699 A JPH0334699 A JP H0334699A JP 16674389 A JP16674389 A JP 16674389A JP 16674389 A JP16674389 A JP 16674389A JP H0334699 A JPH0334699 A JP H0334699A
- Authority
- JP
- Japan
- Prior art keywords
- shell
- columnar body
- lever
- mass
- displacement
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 241001377084 Actites Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、遠距離ソナー、海洋調査などに使用される低
周波でハイパワーの水中超音波送受波器に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a low-frequency, high-power underwater ultrasonic transducer used for long-distance sonar, ocean research, and the like.
［従来の技術］
水中において数にＨｙ、以下の低周波でハイパワーの送
受波器として使用される従来のｍ ＦＴ波送送受波器し
ては、例えば第２図に示すようなフレックステフシ１１
ナル型トランスジューサ（米１ｉ１特許１１ 、 Ｓ
、 ＋１第３２７７４３３号参照）かある。[Prior Art] A conventional FT wave transducer used as a high power transducer at a low frequency of less than Hy in water is, for example, a flexible steel 11 as shown in FIG.
Null type transducer (US 1i1 Patent 11, S
, +1 No. 3277433).
この第２図に示すフレックステンシミ１ナル型トランス
ジユーサは、アクデイプ社状体１１、シェル１２からな
り、アクデイプ社状体１１の縦振動かシェルｔ２に伝わ
り、シェル１２が屈面振動することにより、水中に音波
か放射されるようになっている。The flex tensile single type transducer shown in FIG. 2 consists of an ac-dipe bar 11 and a shell 12, and the longitudinal vibration of the ac-dipe bar 11 is transmitted to the shell t2, causing the shell 12 to vibrate in a flexural plane. This allows sound waves to be emitted into the water.
［解決すべき課題］
通常、水中の、ｔ１１斤波に使用するアクティブ社状体
の振動変位はせいぜい数ｌＯミクロン程度のごく小さな
ものである。このため、丘述した従来のＷｉ造ては、効
率よく機械的な力を伝達させるために、アクティブ柱状
体１１シエル１２に挿入する際、内溝の間の寸法と平行
度を厳密に合わせる必要かあり、組立か非常に精密性を
安し炸しいという欠点かある。[Problems to be Solved] Normally, the vibration displacement of an active social body used for t11 cathode waves underwater is very small, on the order of several 1O microns at most. For this reason, in the conventional Wi structure mentioned above, in order to efficiently transmit mechanical force, it is necessary to strictly match the dimensions and parallelism between the inner grooves when inserting the active columnar body 11 into the shell 12. However, the drawback is that the assembly is very precise and cheap.
また構造Ｌ、アクティブ柱状体１１と？″ｆ波の放射さ
れる方向とか（１（交しているため、エネルギーの伝達
効率か悪いという欠点かある。Also, structure L, active columnar body 11? ``Because the direction in which the f-wave is emitted (1) intersects, there is a drawback that the energy transmission efficiency is poor.
本発明は１；述した問題点にかんがみてなされたものて
、組ケか容易て、しかもエネルギーの伝達効率か良く、
特性の安定した低周波水中Ｍ１９波送受波器の提供を１
−１的とする。The present invention has been made in view of the above-mentioned problems.It is easy to assemble and has good energy transmission efficiency.
Providing low frequency underwater M19 wave transducer with stable characteristics 1.
-1 target.
［課題の解決手段］
ｌ二記１１的を達成するために本発明の低周波水中ａ−
ｒｒ波送受波奏は、Ｊ〔電磁器あるいは磁歪材料を用い
た一対のアクティブ柱状体の一側にリアマスを配すると
共に、他側に一対のレバーを設け、これらレバーをそれ
ぞれコンベックスシェルに接続し、かつ両レバーをそれ
ぞれヒンジを介してマスを取り付けると共に上記リアマ
スにボルトを介して結合した構成としである。[Means for Solving the Problems] In order to achieve the objectives of Item 1 and 11, the low frequency underwater a-
RR wave transmission and reception is achieved by placing a rear mass on one side of a pair of active columnar bodies made of electromagnetic or magnetostrictive material, and providing a pair of levers on the other side, and connecting these levers to the convex shell, respectively. , and both levers are each attached to a mass via a hinge, and are connected to the rear mass via a bolt.
［丈熾例］
以ド、本発明の一実施例について図面を参照しご説明す
る。[Example] Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例のＩｉｔ断尚図である。FIG. 1 is a cutaway diagram of an embodiment of the present invention.
ｒ′１４において、１は圧電磁器あるいは磁歪材料を用
いたアクティブ柱状体であり、シェル６の両側に一対配
され、電圧あるいは電流を入力することにより縦信号か
励磁されるようになっている。このアクティブ社状体ｌ
は、ド側に配したリアマス２により連結され、七個かレ
バー３を介してコンベックス型のシェル６に接続されて
いる。In r'14, numeral 1 is a pair of active columnar bodies made of piezoelectric ceramic or magnetostrictive material, which are arranged in pairs on both sides of the shell 6, and are excited by a longitudinal signal by inputting a voltage or current. This active social body
are connected by a rear mass 2 placed on the door side, and connected to a convex type shell 6 via seven levers 3.
図中５はマスで、一対のアクティブ柱状体１゜１間に位
置し、」二連した二つのレバー３は、人）（ヒンジ４を
介してマス５につながっており、マス５はアクティブ柱
状体ｌにつながっているリアマス２とボルト８を介して
接続されている。In the figure, 5 is a mass located between a pair of active columnar bodies 1. The two levers 3 in a row are connected to a mass 5 via a hinge 4, and the mass 5 is an active columnar body. It is connected to the rear mass 2 connected to the body l via a bolt 8.
図中７はボルトて、アクティフ柱状体ｌからｒｆ響放射
の行なわれるシェル６までの力の伝達か効率よく行なわ
れるように、リアマス２からアクティフ柱状体ｌを通し
てレバー３までを連結している。即ち、プリストレスを
加えることにより、アクティブ柱状体ｌとレバー３の間
の機械的結合を完全にすることかてきるようにしている
。In the figure, a bolt 7 connects the rear mass 2 to the lever 3 through the actif column 1 so that force can be efficiently transmitted from the actif column 1 to the shell 6 where RF radiation is performed. That is, by applying prestress, it is possible to complete the mechanical connection between the active columnar body 1 and the lever 3.
なお、図中矢印を持っＣ示すＳ１〜Ｓ５ば、各部の変位
を示す。Note that S1 to S5 shown with arrows C in the figure indicate displacements of each part.
次に１本実施例における動作について説ＩＪ］する。Next, the operation in this embodiment will be explained.
アクティブ柱状体１か８またけ変位すると、レバー３か
ＳまたけＩｊ１転変位を行なう。レバー３はヒンジ４、
マス５が設けられ、史にボルト６を介してマス２に接続
されていることによりスムーズにｐ−ｊ１転変位し、こ
のレバー３の回転変位によりシェル６か撓み変形され、
その形状効果により、更に拡大された変位Ｓ３が争えら
れ、水中に超音波か放射される。シェル６の撓み変形に
よる変位Ｓ３は、アクティブ柱状体１の変位Ｓ１と同一
方向になる。When the active columnar body 1 or 8 is displaced, the lever 3 or S is displaced by Ij1. Lever 3 is hinge 4,
A mass 5 is provided and is connected to the mass 2 via a bolt 6, so that it can be smoothly displaced by p-j1, and the rotational displacement of this lever 3 causes the shell 6 to be deformed,
Due to the shape effect, a further enlarged displacement S3 is exerted, and an ultrasonic wave is emitted into the water. The displacement S3 due to the bending deformation of the shell 6 is in the same direction as the displacement S1 of the active columnar body 1.
また、アクデイプ柱状体ｌから音響放射の行なわれるシ
ェル６まての力の伝達は、ボルト７によすブリストレス
か力ｌえられてし）ることにより効−１ｉよく行なわれ
る。In addition, the transmission of force from the Acdipe column 1 to the shell 6 where acoustic radiation occurs is effectively carried out by the bristles of the bolts 7.
［発ＩＪＦＪの効果］
以り説１ｇ１シたように本発明に係る低周波水中超音波
送受波器は、アクティブ柱状体の駆動方向をシェルの振
動方向を一致するようにし、かつ、ボルトによるブリス
トレスを加えるようにしたことにより、アクティブ柱状
体からシェルまてのエネルギーの伝達効率をよくすると
同特に組立が容易て、かつ安定した特性を得ることがで
きる。[Effects of IJFJ] As described in Theory 1g1, the low-frequency underwater ultrasonic transducer according to the present invention is such that the driving direction of the active columnar body is made to match the vibration direction of the shell, and the bridging by bolts is made to coincide with the vibration direction of the shell. By applying stress, the efficiency of energy transmission from the active columnar body to the shell is improved, and in particular, assembly is easy and stable characteristics can be obtained.
第１図は本発明の一実施例の縦断面図、第２図は従来の
低周波水中Ｍｉ音波送受波器を示す断面図である。
ｌニアクチイブ柱状体
２、リアマス ３゛レバー
４：ヒンジ ５．マス
６・シェル ７ ポル１〜
８：ホルト
１１：アクティツ柱状体
１２・シェル
Ｓ１〜Ｓ５ ：各部の変位FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional low frequency underwater Mi acoustic wave transducer. lNear active columnar body 2, rear mass 3゛lever 4: hinge 5. Mass 6/Shell 7 Pol 1-8: Holt 11: Actite columnar body 12/Shell S1-S5: Displacement of each part
Claims (1)
状体の一側にリアマスを配すると共に、他側に一対のレ
バーを設け、これらレバーをそれぞれコンベックスシェ
ルに接続し、かつ両レバーをそれぞれヒンジを介してマ
スを取り付けると共に上記リアマスにボルトを介して結
合したことを特徴とした低周波水中超音波送受波器。A rear mass is arranged on one side of a pair of active columnar bodies made of piezoelectric ceramic or magnetostrictive material, and a pair of levers is provided on the other side, each of these levers is connected to a convex shell, and both levers are connected via a hinge. A low-frequency underwater ultrasonic transducer characterized in that a mass is attached to the rear mass and connected to the rear mass via a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16674389A JPH0334699A (en) | 1989-06-30 | 1989-06-30 | Low-frequency underwater ultrasonic transmitter-receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16674389A JPH0334699A (en) | 1989-06-30 | 1989-06-30 | Low-frequency underwater ultrasonic transmitter-receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0334699A true JPH0334699A (en) | 1991-02-14 |
Family
ID=15836929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16674389A Pending JPH0334699A (en) | 1989-06-30 | 1989-06-30 | Low-frequency underwater ultrasonic transmitter-receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005337071A (en) * | 2004-05-25 | 2005-12-08 | Boc Edwards Kk | Vacuum pump |
-
1989
- 1989-06-30 JP JP16674389A patent/JPH0334699A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005337071A (en) * | 2004-05-25 | 2005-12-08 | Boc Edwards Kk | Vacuum pump |
| JP4671624B2 (en) * | 2004-05-25 | 2011-04-20 | エドワーズ株式会社 | Vacuum pump |
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