JPH09211141A - Sea bottom repeater - Google Patents
Sea bottom repeaterInfo
- Publication number
- JPH09211141A JPH09211141A JP1517296A JP1517296A JPH09211141A JP H09211141 A JPH09211141 A JP H09211141A JP 1517296 A JP1517296 A JP 1517296A JP 1517296 A JP1517296 A JP 1517296A JP H09211141 A JPH09211141 A JP H09211141A
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- block
- cylindrical pressure
- repeater
- submarine repeater
- 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
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
【発明の属する技術分野】本発明は海底中継器に関し、
特に海洋観測用海底中継器の構造に関する。TECHNICAL FIELD The present invention relates to a submarine repeater,
In particular, it relates to the structure of a submarine repeater for ocean observation.
【０００１】[0001]
【従来の技術】従来、海洋観測用海底中継器５は図３に
示す構造となっている。この中継器の円筒状耐圧容器１
内には、地震による海底面の振動（以下地動という）を
検知するセンサと、このセンサからの出力信号を伝送す
る電子回路部が収容されている。円筒状耐圧容器１の両
端には海底ケーブル８と接続するための接続リング２が
設けられ、接続リング２には海底ケーブル引留部３が取
り付けられている。2. Description of the Related Art Conventionally, a seabed repeater 5 for ocean observation has a structure shown in FIG. Cylindrical pressure resistant container 1 of this repeater
A sensor for detecting vibration of the sea floor (hereinafter referred to as ground motion) due to an earthquake and an electronic circuit section for transmitting an output signal from this sensor are housed inside. At both ends of the cylindrical pressure-resistant container 1, connection rings 2 for connecting to a submarine cable 8 are provided, and a submarine cable detention section 3 is attached to the connection ring 2.
【０００２】[0002]
【発明が解決しようとする課題】図３に示した従来の海
洋観測用海底中継器においては、海底の高水圧に耐える
構造とするため、耐圧容器１、接続リング２、および海
底ケーブル引留部３の形状は、円筒状または円錐状の外
形形状をなしている。また中継器全体は、ほぼ流線形の
外形形状である。The conventional marine observation undersea repeater shown in FIG. 3 has a structure capable of withstanding high water pressure on the seabed. Has a cylindrical or conical outer shape. The entire repeater has a substantially streamlined outer shape.
【０００３】しかし、海洋観測用海底中継器が海底に設
置されると、海底の低層流により海底ケーブル加わる引
っ張り応力や、潮流の動きなどのため、海洋観測用海底
中継器には微細な振動が生じる。この振動は、微小な地
動を検知するセンサに対して分解能を低下させる大きな
要因である。However, when the submarine repeater for ocean observation is installed on the seabed, due to the tensile stress applied to the submarine cable by the low-level current of the submarine and the movement of the tidal current, the submarine repeater for ocean observation is subject to minute vibrations. Occurs. This vibration is a major factor that lowers the resolution of the sensor that detects minute ground motions.
【０００４】本発明の目的は、外部条件により海底中継
器に生じる微細な振動を防ぎ、センサが微小な地動を検
知することのできる構造の海洋観測用海底中継器を提供
することである。It is an object of the present invention to provide a submarine repeater for ocean observation having a structure capable of preventing minute vibrations occurring in the submarine repeater due to external conditions and allowing the sensor to detect minute ground motions.
【０００５】[0005]
【課題を解決するための手段】本発明は、地動を検知す
るセンサと該センサの出力を伝送する電子回路部とを収
容した円筒状耐圧容器を備え、この円筒状耐圧容器の外
周面に海底中継器設置用のブロックが設けられた海底中
継器である。SUMMARY OF THE INVENTION The present invention comprises a cylindrical pressure-resistant container accommodating a sensor for detecting ground motion and an electronic circuit portion for transmitting the output of the sensor. It is a submarine repeater provided with a block for installing the repeater.
【０００６】このブロックは、海底中継器を海底面に確
実に設置せしめ、センサへの外部からの影響を軽減し、
検知性能を高める効果を有する。。This block ensures that the submarine repeater is installed on the bottom of the sea and reduces the influence of the sensor from the outside.
It has the effect of enhancing the detection performance. .
【発明の実施の形態】本発明の海底中継器の実施例を図
１と図２を参照して説明する。図１は海底中継器の側面
図であり、図２は海底ケーブルの方向から見た正面図で
ある。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a submarine repeater of the present invention will be described with reference to FIGS. FIG. 1 is a side view of the submarine repeater, and FIG. 2 is a front view seen from the direction of the submarine cable.
【０００７】まず、微小な地動を検知するセンサと、こ
のセンサからの出力信号を伝送する電子回路部が円筒状
耐圧容器１内に収納され、密封されている。この円筒状
耐圧容器１には海底ケーブルを接続するための接続リン
グ２が設けられ、接続リング２には海底ケーブル引留部
３が取り付けられる。First, a sensor for detecting a minute ground motion and an electronic circuit portion for transmitting an output signal from this sensor are housed in a cylindrical pressure-resistant container 1 and sealed. This cylindrical pressure-resistant container 1 is provided with a connection ring 2 for connecting a submarine cable, and a submarine cable detention section 3 is attached to the connection ring 2.
【０００８】このように構成された海洋観測用海底中継
器５の外周部にブロック４が取り付けられている。本実
施例では、組立の容易化のためブロック４は３個の部分
からなり、海洋観測用海底中継器５の外周部上において
ボルト７により一体に結合され、中継器５に取り付けら
れる。一体に結合したブロック４は、その外周部に３個
の突状部が形成されるような構成である。The block 4 is attached to the outer periphery of the ocean observation submarine repeater 5 thus constructed. In the present embodiment, the block 4 is composed of three parts for facilitating the assembly, and is integrally connected with a bolt 7 on the outer peripheral part of the ocean observation submarine repeater 5 and attached to the repeater 5. The block 4 integrally connected is configured such that three protruding portions are formed on the outer peripheral portion thereof.
【０００９】また、本実施例では、ブロック４は海洋観
測用海底中継器５の外周部上の２個所の異なる位置に取
り付けられ、さらに組立を容易にするため互いにシャフ
ト６により連結される構造となっている。Further, in this embodiment, the blocks 4 are attached at two different positions on the outer periphery of the ocean observation submarine repeater 5 and further connected to each other by a shaft 6 to facilitate the assembly. Has become.
【００１０】本実施例の海洋観測用海底中継器５は上記
構成を備えることにより、海底面に確実、安定に設置で
き、センサの検知性能を高めることができる。The submarine repeater 5 for ocean observation according to the present embodiment having the above-mentioned structure can be reliably and stably installed on the bottom of the sea, and the detection performance of the sensor can be improved.
【００１１】本実施例では、センサは３軸の加速度計と
Ａ／Ｄコンバータを備えたものを用い、円筒状耐圧容器
１は、およそ直径が２０から３０センチメートル、長さ
が５０から１００センチメートルのベリリウム銅合金製
を用いた。ブロックは同じベリリウム銅合金でもよく、
またステンレスなども使用できる。In this embodiment, a sensor equipped with a triaxial accelerometer and an A / D converter is used, and the cylindrical pressure-resistant container 1 has a diameter of 20 to 30 cm and a length of 50 to 100 cm. A meter made of beryllium copper alloy was used. The block may be the same beryllium copper alloy,
Also, stainless steel can be used.
【００１２】ブロック４は３個の部分からなるものに限
られず、２個、または４個以上の部分から構成されてい
てもよい。ブロックを一体に構成するにはボルト締め以
外の他の機械的方法や接着によっても可能である。ま
た、ブロック４の外周部に形成される突状部は３個に限
られず、これより多くてもよい。１個、または２個の突
状部であっても中継器が安定に海底面に設置させるもの
ならば可能である。ブロックは、海底中継器５の外周部
上に取り付けられたとき、該容器の中心軸に対して対称
となる形状を有していることが望ましい。これは、各海
底中継器５の海底面への設置の状態を一定にするために
有効である。The block 4 is not limited to one having three parts, but may have two parts or four or more parts. The blocks may be integrally formed by using a mechanical method other than bolting or bonding. Further, the number of protruding portions formed on the outer peripheral portion of the block 4 is not limited to three and may be more than this. It is possible to use one or two protrusions as long as the repeater can be stably installed on the sea floor. The block preferably has a shape that is symmetric with respect to the central axis of the container when mounted on the outer peripheral portion of the submarine repeater 5. This is effective for keeping the installation state of each submarine repeater 5 on the sea floor constant.
【００１３】ブロックはその形状、大きさによっては海
底中継器５の外周部上の特定の１個所に設けることもで
きるが、安定設置のためにはこの外周部上の複数個所に
設けることが望ましい。複数個所に取り付ける場合は、
同一形状のブロックを海底ケーブルから見て重なるよう
な配置にすることが望ましい。Depending on the shape and size of the block, the block may be provided at one specific location on the outer peripheral portion of the submarine repeater 5, but it is desirable to provide the block at a plurality of locations on the outer peripheral portion for stable installation. . When installing at multiple locations,
It is desirable to arrange blocks of the same shape so that they overlap when viewed from the submarine cable.
【００１４】また、複数のブロックはシャフトで互いに
連結する構成にすることもできる。A plurality of blocks may be connected to each other by a shaft.
【００１５】[0015]
【発明の効果】以上説明したように、本発明の海底中継
器はその外周部に海底中継器設置用のブロックを設ける
ことにより、海底面に確実、安定に設置でき、海底の低
層流や潮流による海底ケーブルの動きや海底中継器の微
細な動きを防止することができ、中継器内に設置されセ
ンサの地動を検知するセンサの検知性能を高め、信頼性
の高い観測データを得られる効果を有する。As described above, the submarine repeater of the present invention can be reliably and stably installed on the sea bottom by providing the block for installing the submarine repeater on the outer peripheral portion thereof, and the low-layer current and tidal current on the sea bottom can be ensured. It is possible to prevent the movement of the submarine cable and the minute movement of the submarine repeater due to the, and improve the detection performance of the sensor installed in the repeater that detects the ground motion of the sensor, and obtain the effect that highly reliable observation data can be obtained. Have.
【図１】本発明の実施例を示す海底中継器の側面図。FIG. 1 is a side view of a submarine repeater showing an embodiment of the present invention.
【図２】本発明の実施例を示す海底中継器の海底ケーブ
ル側から見た正面図。FIG. 2 is a front view of the submarine repeater showing the embodiment of the present invention as seen from the submarine cable side.
【図３】従来の海底中継器の側面図。FIG. 3 is a side view of a conventional submarine repeater.
１ 円筒状耐圧容器 ２ 接続リング ３ 海底ケーブル引留部 ４ ブロック ５ 海洋観測用海底中継器 ６ シャフト ７ ボルト ８ 海底ケーブル 1 Cylindrical pressure-resistant container 2 Connection ring 3 Submarine cable detention unit 4 Block 5 Submarine repeater for ocean observation 6 Shaft 7 Volt 8 Submarine cable
Claims (5)
伝送する電子回路部とを収容した円筒状耐圧容器を備え
た海底中継器において、円筒状耐圧容器の外周面に海底
中継器設置用のブロックを設けたことを特徴とする海底
中継器。1. A submarine repeater equipped with a cylindrical pressure-resistant container containing a sensor for detecting ground motion and an electronic circuit section for transmitting the output of the sensor, wherein the submarine repeater is installed on the outer peripheral surface of the cylindrical pressure-resistant container. Submarine repeater characterized by the provision of a block.
合して円筒状耐圧容器の外周面に設けられる請求項１に
記載の海底中継器。2. The submarine repeater according to claim 1, wherein the block is composed of a plurality of portions, and the blocks are integrally joined and provided on the outer peripheral surface of the cylindrical pressure-resistant container.
ックの外周部は突状部を有している請求項１または２に
記載の海底中継器。3. The submarine repeater according to claim 1, wherein the outer peripheral portion of the block provided on the outer peripheral surface of the cylindrical pressure-resistant container has a protruding portion.
ックは、該容器の中心軸に対して対称となる形状を有し
ている請求項１、２または３に記載の海底中継器。4. The submarine repeater according to claim 1, 2 or 3, wherein the block provided on the outer peripheral surface of the cylindrical pressure-resistant container has a shape symmetrical with respect to the central axis of the container.
個所に設けられる請求項１、２、３または４に記載の海
底中継器。5. A submarine repeater according to claim 1, 2, 3 or 4, wherein the blocks are provided at a plurality of positions on the outer peripheral surface of the cylindrical pressure-resistant container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1517296A JP2904096B2 (en) | 1996-01-31 | 1996-01-31 | Submarine repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1517296A JP2904096B2 (en) | 1996-01-31 | 1996-01-31 | Submarine repeater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09211141A true JPH09211141A (en) | 1997-08-15 |
| JP2904096B2 JP2904096B2 (en) | 1999-06-14 |
Family
ID=11881399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1517296A Expired - Fee Related JP2904096B2 (en) | 1996-01-31 | 1996-01-31 | Submarine repeater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2904096B2 (en) |
-
1996
- 1996-01-31 JP JP1517296A patent/JP2904096B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2904096B2 (en) | 1999-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19990223 |
|
| LAPS | Cancellation because of no payment of annual fees |