JPS58223772A - Ultrasonic wave transmitter and receiver for wide-range underwater detection - Google Patents
Ultrasonic wave transmitter and receiver for wide-range underwater detectionInfo
- Publication number
- JPS58223772A JPS58223772A JP10809282A JP10809282A JPS58223772A JP S58223772 A JPS58223772 A JP S58223772A JP 10809282 A JP10809282 A JP 10809282A JP 10809282 A JP10809282 A JP 10809282A JP S58223772 A JPS58223772 A JP S58223772A
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- vibrators
- receiver
- column
- sound insulating
- 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
Links
- 238000001514 detection method Methods 0.000 title claims description 3
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000011810 insulating material Substances 0.000 claims abstract description 13
- 239000007769 metal material Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 5
- 239000007799 cork Substances 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 239000002847 sound insulator Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- B06B1/0622—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 on one surface
- B06B1/0633—Cylindrical array
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
【発明の詳細な説明】
この考案は水中の広範囲方向を探知する水中探知装置に
用いられる送受波器の構造に関する。DETAILED DESCRIPTION OF THE INVENTION This invention relates to the structure of a transducer used in an underwater detection device that detects underwater in a wide range of directions.
この種の送受波器として、出願人は特願昭５０−７９１
．５２号を提供した。この送受波器は第１図並びに第２
図に測面断面図並びに上面断面図を示すように、環状配
列された多数の振動子１が複数段積層されて構成されて
いる。振動子１は振動イライナー２．３上に間開され、
振動子ライナー２．３の各々は環状配列された振動子１
を固定すると同時に、積層された振動子間を〃いに音響
的に遮音している。As this type of transducer, the applicant filed a patent application in 1983-791.
．． No. 52 was provided. This transducer is shown in Figures 1 and 2.
As shown in the surface cross-sectional view and top cross-sectional view in the figure, a large number of vibrators 1 arranged in an annular manner are stacked in multiple stages. The vibrator 1 is spaced on the vibrating liner 2.3,
Each of the transducer liners 2.3 has an annular array of transducers 1
At the same time, it provides excellent acoustic insulation between the stacked vibrators.
振動子１は上記のように配列された後、上蓋６と下蓋７
の間に挟持される。上蓋６と下蓋７は支柱８、ボルト９
によって振動子１と振動子ライチー２の積層体を固定し
、振動子１の音波放射面前面はモールド材５によってモ
ールドされる。モールド拐５は例えばウレタンゴムのよ
うな音波透過材が用いられ、この音波透過材を介して超
音波が送受波される。そして、送受波される趨性波信号
は環状配列された振動子の複数個が合成されて水向
平面上の指食性ビームが形成され、積層された振動子が
合成されて鉛直面内の指向性ビームが形成される。After the vibrator 1 is arranged as described above, the upper cover 6 and the lower cover 7 are arranged.
sandwiched between. The upper cover 6 and lower cover 7 are supported by a support 8 and a bolt 9.
The laminate of the vibrator 1 and the vibrator Lichy 2 is fixed, and the front surface of the sound wave emitting surface of the vibrator 1 is molded with a molding material 5. The mold cover 5 is made of a sound-transmitting material such as urethane rubber, and ultrasonic waves are transmitted and received through this sound-transmitting material. The transmitted and received trend wave signals are synthesized by a plurality of annularly arranged oscillators to form a digital beam on the horizontal plane, and the stacked oscillators are synthesized to form a pointing beam in the vertical plane. A sexual beam is formed.
上記送受波器は、振動子の固定が上蓋６と下蓋７による
上下の抑圧によって行なわれている。従って振動子１の
輻射面に外部から押圧力が作用すると、振動子１の配列
が内径方向に歪やすい。そのため、上記送受波器は直接
水中に露出して使用すると、水流あるいは水圧によって
振動子配置に歪が生じるため、ドーム内に収納してドー
ムを介して超音波信号を送受波しなければならない。In the above-described transducer, the vibrator is fixed by being vertically suppressed by an upper cover 6 and a lower cover 7. Therefore, when a pressing force is applied from the outside to the radiation surface of the vibrator 1, the arrangement of the vibrator 1 is likely to be distorted in the inner diameter direction. Therefore, if the above-mentioned transducer is used while being directly exposed in water, the transducer arrangement will be distorted by water flow or water pressure, so it must be housed in a dome and transmit and receive ultrasonic signals through the dome.
この発明は上記送受波器のようにドーム内に収納して使
用することなく、水中に直接算出して使用し得る送受波
器を提供する。すなわち、第１図において振動子１の輻
射面が外部から押圧力を受は又も振動子配置に歪が生じ
ないように、撮動子１の輻射面と反対側に保持具を配置
するものである０
第３図はこの発明を実施した送受波器の概略断面を示し
、第１図あるいは第２図と同一番号は同一物を示す、第
３図において、振動子１は第１図′） と
同様に環状配列されたものが複数段積層され、上蓋６と
下蓋７の間に挟持される。そして、上蓋６と下蓋７は中
空の円筒柱１０を介して固定される。The present invention provides a transducer that can be used directly underwater without being housed in a dome like the above-mentioned transducer. In other words, in FIG. 1, the holder is arranged on the opposite side of the radiation surface of the camera element 1 so that the radiation surface of the transducer 1 does not receive external pressing force or distortion occurs in the arrangement of the transducer. 0 Figure 3 shows a schematic cross-section of a transducer embodying the present invention, and the same numbers as in Figures 1 or 2 indicate the same parts. ) are arranged in an annular manner in a plurality of layers and are sandwiched between the upper lid 6 and the lower lid 7. The upper lid 6 and the lower lid 7 are fixed via a hollow cylindrical column 10.
円筒柱１０はその外径Ｒが振動子１０環状配列径Ｒ′（
第２図）に比して若干小さくなるように設定されている
。そして、円筒柱１０と振動子１との間には遮音材１１
が介在し、外部から振動子１作用する押圧力を遮音材１
】を介して円筒柱１０に作用させることにより、振動子
１の配置が歪まないようになされている。この場合、遮
音材１１は、振動子１の振動が円筒柱１０に伝わらない
ような遮音効果を十分壱するもの、振動子１に作用する
押圧力によって材質が変形しないものを用いる必要があ
る。従来、遮音材としては例えばコルク、発泡ウレタン
、スポンジ等が用いられている。これらの拐質を用いて
十分な遮音効果を得るだめには寸法的に比較的大きな厚
みを必要とされる。ところが、これらの遮音材は材質内
に形成される気泡によって遮音効果を生じるものである
から、材質の厚みが大きくなると柔軟性が大きくなり押
圧力に対して材質に変形が生じやすい。従って、このよ
うな材質を遮音材１１として用いると、振動子１に作用
する押圧力により遮音材１１が圧縮変形し、振動子１の
配置に歪が生じる恐れがある。そこで、この発明におい
ては、遮音材１１を第４図のような多重構造にするもの
である。すなわち、第４図においては、金属と他の材質
１２ａ、 １２ｂ、 １２ｃとの多層構造が形入隊され
、例えば、１２ａはコルり、１２ｂは銅、１２Ｃはスポ
ンジが用いられ、各々はその厚みが１ｎｔｎｖ程度の薄
材が用いられる。従って、これらの材質の多層構造にし
た場合、いずれかの層に金属材が用いられ、又、他の材
質コルク、スポンジ等はそれぞれの厚みが極めて薄いも
のが用いられているから、各材質の多層方向に比較的大
きな応用力が作用しても、寸法上の歪はほとんど生じな
い。又、金属トコルクあるいはスポンジのように材質の
異材１１を第４図の多層構造にした場合は、振動子１に
作用する押圧力に抗して振動子１の配置に歪を生じさせ
ることなく、かつ、十分な遮音効果を得ることができる
。The outer diameter R of the cylindrical column 10 is equal to the annular array diameter R' of the vibrator 10 (
(Fig. 2) is set to be slightly smaller than that shown in Fig. 2). A sound insulating material 11 is provided between the cylindrical column 10 and the vibrator 1.
intervenes, and the pressing force acting on the vibrator 1 from the outside is absorbed by the sound insulating material 1.
] By acting on the cylindrical column 10 through the cylindrical column 10, the arrangement of the vibrator 1 is prevented from being distorted. In this case, the sound insulating material 11 needs to have a sufficient sound insulating effect so that the vibrations of the vibrator 1 are not transmitted to the cylindrical column 10, and a material that does not deform due to the pressing force acting on the vibrator 1. Conventionally, as sound insulating materials, for example, cork, urethane foam, sponge, etc. have been used. In order to obtain a sufficient sound insulation effect using these particles, a relatively large thickness is required. However, since these sound insulating materials produce a sound insulating effect by the bubbles formed within the material, as the thickness of the material increases, the flexibility increases and the material is likely to deform under pressure. Therefore, if such a material is used as the sound insulating material 11, the sound insulating material 11 may be compressed and deformed by the pressing force acting on the vibrator 1, and the arrangement of the vibrator 1 may be distorted. Therefore, in the present invention, the sound insulating material 11 has a multilayer structure as shown in FIG. That is, in FIG. 4, a multilayer structure of metal and other materials 12a, 12b, and 12c is used. For example, 12a is corrugated, 12b is copper, and 12C is sponge, each of which has a different thickness. A thin material of about 1 ntnv is used. Therefore, when creating a multilayer structure made of these materials, one of the layers is made of metal, and other materials such as cork and sponge are extremely thin, so the thickness of each material is Even when a relatively large applied force is applied in the multilayer direction, almost no dimensional distortion occurs. Moreover, when the different materials 11, such as metal cork or sponge, are formed into the multilayer structure shown in FIG. Moreover, a sufficient sound insulation effect can be obtained.
第５図は上記遮音材１１を円筒柱１０の周囲に配列した
具体例を示す。第５図において、Ｗ前月１１は第４図の
積層体で構成され、円筒柱１０の周面に一定間隔で配列
されている。そして、振動子ライナー２．３上に配置さ
れる振動子１３の脚部１４が遮音材１１に接触して支持
されるごとくなされている。FIG. 5 shows a specific example in which the sound insulating material 11 is arranged around the cylindrical column 10. In FIG. 5, W front panels 11 are composed of the laminate shown in FIG. 4, and are arranged on the circumferential surface of the cylindrical column 10 at regular intervals. The legs 14 of the vibrator 13 disposed on the vibrator liner 2.3 are supported in contact with the sound insulating material 11.
以上のようにこの発明によると、遮音効果が十分にあり
、かつ、比較的大きな押圧力に対しても変形することの
ない遮音材を用いて振動子に作用する押圧力を支持する
ように構成されている。従って、第１図あるいは第３図
に示すように、振動子１の輻射面の前面を音波透過材５
でモールドするだけで送受波器を直接水中に霧出して超
音波を送受波することができる。従って、送受波器全体
を小型化することが可能になり、船底に装備した場合に
も水流抵抗を小さくすることができる。As described above, according to the present invention, the structure is configured to support the pressing force acting on the vibrator using a sound insulating material that has a sufficient sound insulation effect and does not deform even under a relatively large pressing force. has been done. Therefore, as shown in FIG. 1 or 3, the front surface of the radiation surface of the vibrator 1 is
By simply molding the transducer into water, you can spray the transducer directly into the water and transmit and receive ultrasonic waves. Therefore, it is possible to downsize the entire transducer, and even when it is installed on the bottom of a ship, the water flow resistance can be reduced.
第１図及び第２図は従来装置を示し、第３図はこの発明
の実施例を示す。第４図は第３図における遮音制の具体
例を示し、第５図はその遮音材の配置例を示す。
才 １ 目
才２０
才３０
第４図1 and 2 show a conventional device, and FIG. 3 shows an embodiment of the present invention. FIG. 4 shows a specific example of the sound insulation system shown in FIG. 3, and FIG. 5 shows an example of the arrangement of the sound insulation materials. Age 1 Age 20 Age 30 Figure 4
Claims (1)
環状配列し該環状配列された振動子群と上記保持リング
とを複数段積層して構成される超音波送受波器において
、上記振動子の輻射面前面を音波透過材でモールドする
と同時に、上記振動子の輻射面と反対側に金属材と他の
利賀とを積層し振動子を支持するように構成したことを
特徴とする広範囲水中探知用超音波送受波器。In an ultrasonic transducer configured by an annular holding ring made of a sound insulating material, J radiators arranged in an annular manner on the ring, and a plurality of stacked layers of the annularly arranged transducer group and the above-mentioned holding ring, The front surface of the radiating surface of the vibrator is molded with a sound wave transmitting material, and at the same time, a metal material and another material are laminated on the side opposite to the radiating surface of the vibrator to support the vibrator. Ultrasonic transducer for wide range underwater detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10809282A JPH0230474B2 (en) | 1982-06-22 | 1982-06-22 | KOHANISUICHUTANCHOCHOONPASOJUHAKI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10809282A JPH0230474B2 (en) | 1982-06-22 | 1982-06-22 | KOHANISUICHUTANCHOCHOONPASOJUHAKI |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58223772A true JPS58223772A (en) | 1983-12-26 |
| JPH0230474B2 JPH0230474B2 (en) | 1990-07-06 |
Family
ID=14475662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10809282A Expired - Lifetime JPH0230474B2 (en) | 1982-06-22 | 1982-06-22 | KOHANISUICHUTANCHOCHOONPASOJUHAKI |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230474B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011095122A (en) * | 2009-10-30 | 2011-05-12 | Nsk Ltd | Sensor fixture |
-
1982
- 1982-06-22 JP JP10809282A patent/JPH0230474B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011095122A (en) * | 2009-10-30 | 2011-05-12 | Nsk Ltd | Sensor fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0230474B2 (en) | 1990-07-06 |
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