JP2679663B2 - Submarine repeater structure - Google Patents

Submarine repeater structure

Info

Publication number
JP2679663B2
JP2679663B2 JP3823395A JP3823395A JP2679663B2 JP 2679663 B2 JP2679663 B2 JP 2679663B2 JP 3823395 A JP3823395 A JP 3823395A JP 3823395 A JP3823395 A JP 3823395A JP 2679663 B2 JP2679663 B2 JP 2679663B2
Authority
JP
Japan
Prior art keywords
pressure
crystal
pressure gauge
submarine repeater
submarine
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.)
Expired - Lifetime
Application number
JP3823395A
Other languages
Japanese (ja)
Other versions
JPH08237853A (en
Inventor
渡邊  修
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 by NEC Corp filed Critical NEC Corp
Priority to JP3823395A priority Critical patent/JP2679663B2/en
Publication of JPH08237853A publication Critical patent/JPH08237853A/en
Application granted granted Critical
Publication of JP2679663B2 publication Critical patent/JP2679663B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Electric Cable Installation (AREA)
  • Cable Accessories (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、海底中継器構造に関
し、特に、海洋観測用海底中継器構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a submarine repeater structure, and more particularly to a submarine repeater structure for ocean observation.

【0002】[0002]

【従来の技術】従来、この種の海洋観測用海底中継器構
造(以下海底中継器構造)は、図2に示す構造となって
いる。すなわち、測定すべき圧力に応答して周波数が変
化する感圧水晶8と基準周波数を発生する参照水晶9の
周波数の差を検出することにより、外部圧力を感知する
圧力計を備えている。感圧部水晶8は耐圧筐体1の端板
4を介して海水側に、参照部水晶8は耐圧筐体端板3を
介して筐体内に実装している。また、両端部には海底ケ
ーブル引留部と接続する接続リング7および7′が設け
られている。
2. Description of the Related Art Conventionally, this type of ocean observation submarine repeater structure (hereinafter referred to as a submarine repeater structure) has a structure shown in FIG. That is, a pressure gauge that senses external pressure is provided by detecting the difference in frequency between the pressure-sensitive crystal 8 whose frequency changes in response to the pressure to be measured and the reference crystal 9 that generates the standard frequency. The pressure-sensitive crystal 8 is mounted on the seawater side through the end plate 4 of the pressure-resistant housing 1, and the reference crystal 8 is mounted inside the housing through the pressure-resistant housing end plate 3. Further, at both ends, connecting rings 7 and 7'for connecting with the submarine cable retracting portion are provided.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上述し
た従来の海洋観測用海底中継器の実装構造においては、
2つの水晶の設置場所が異るため、両者の設置場所の温
度が微妙に相違し、より精密な圧力計測には適さないと
いう問題がある。
However, in the above-mentioned conventional mounting structure of the undersea repeater for ocean observation,
Since the installation locations of the two crystals are different, the temperatures at the installation locations of the two are slightly different, which is not suitable for more precise pressure measurement.

【0004】本発明の目的は、上述の欠点を除去し、よ
り精密な圧力が計測できる海洋観測用海底中継器の実装
構造を提供することにある。
An object of the present invention is to eliminate the above-mentioned drawbacks and to provide a mounting structure of a submarine repeater for ocean observation which can measure more precise pressure.

【0005】[0005]

【課題を解決するための手段】上述の目的を達成するた
め、本発明の実装構造は、変調回路と増幅回路を含む伝
送部を収容した円筒状耐圧容器と、その両端部に設けら
れ、海底ケーブル引留部のカップリングと接続する接続
リングと、感圧水晶と参照水晶の差周波数の変化量を検
出することにより、外部圧力を感知する圧力計とを有す
る海底中継器構造において、前記接続リングの外壁面部
に圧力計を取付け実装したことを特徴とする。
In order to achieve the above object, the mounting structure of the present invention has a cylindrical pressure-resistant container accommodating a transmission part including a modulation circuit and an amplification circuit, and is provided at both ends of the cylindrical pressure-resistant container. A submarine repeater structure having a connection ring for connecting to a coupling of a cable detention unit and a pressure gauge for detecting an external pressure by detecting a change amount of a difference frequency between a pressure sensitive crystal and a reference crystal, wherein the connection ring It is characterized in that a pressure gauge is attached and mounted on the outer wall surface of the.

【0006】[0006]

【作用】本発明では、圧力計を構成する感圧水晶と参照
水晶が接続リングの外側に共に配置されているので、両
者の設置環境が同一となり、温度差等による測定誤差を
防止でき、信頼度の高い観測データが得られる。
In the present invention, since the pressure-sensitive crystal and the reference crystal that compose the pressure gauge are both arranged outside the connection ring, the installation environment of both is the same, and the measurement error due to the temperature difference or the like can be prevented, and the reliability is improved. Highly observed data can be obtained.

【0007】[0007]

【実施例】次に本発明を図面を参照して詳細に説明す
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the drawings.

【0008】図1は本発明の一実施例を示す断面図であ
る。図において、耐圧筐体1の内部に、変調回路と増幅
回路を含む伝送回路部2が収容固定されている。耐圧容
器1の一端には端板3が設けられ、他端には端板4が気
密溶接により設けられている。この端板3には、光ファ
イバー貫通部5が設けられ、端板4には、光ファイバー
貫通部5と信号線貫通部6とが設けられている。この耐
圧容器1には、また、海底ケーブル引留部と接続する接
続リング7,7′が取付けられている。リング7および
7′の外周部には圧力計10を設置する台12,12′
が固定され、その上に感圧水晶8と参照水晶が組込まれ
た水圧計10が設置固定される。水圧計は、これら2つ
の水晶が入った第1のケースと、第1のケースをカバー
する第2のケースを有し、ケース間にはオイルが充填さ
れている。信号線貫通部6から引出された信号線と水圧
計10からの信号線はリングで緊密に接続されている。
圧力計10の外側には、圧力計10を保護するプロテク
タルが取付けられ、そこには海水が入っている。
FIG. 1 is a sectional view showing an embodiment of the present invention. In the figure, a transmission circuit unit 2 including a modulation circuit and an amplification circuit is housed and fixed inside a pressure-resistant housing 1. An end plate 3 is provided at one end of the pressure resistant container 1, and an end plate 4 is provided at the other end by airtight welding. The end plate 3 is provided with an optical fiber penetrating portion 5, and the end plate 4 is provided with an optical fiber penetrating portion 5 and a signal line penetrating portion 6. The pressure vessel 1 is also provided with connecting rings 7, 7'for connecting with the submarine cable retracting portion. On the outer circumference of the rings 7 and 7 ', there are stands 12, 12' on which the pressure gauge 10 is installed.
Is fixed, and the water pressure gauge 10 in which the pressure sensitive crystal 8 and the reference crystal are incorporated is installed and fixed. The water pressure gauge has a first case containing these two crystals and a second case covering the first case, and oil is filled between the cases. The signal line drawn from the signal line penetrating portion 6 and the signal line from the water pressure gauge 10 are tightly connected by a ring.
A protector for protecting the pressure gauge 10 is attached to the outside of the pressure gauge 10, and contains seawater.

【0009】このような海洋観測用海底中継器構造とす
ることにより、感圧水晶8と参照水晶9の外部環境を同
一環境とすることができ、ノイズレベルの少い観測デー
タを得ることができる。
By adopting such a structure of the undersea repeater for ocean observation, the external environment of the pressure sensitive crystal 8 and the reference crystal 9 can be made the same environment, and observation data with a low noise level can be obtained. .

【0010】[0010]

【発明の効果】以上説明したように、本発明による海洋
観測用海底中継器構造では、接続リングの外周壁面部に
感圧水晶と参照水晶を一体にした圧力計を取付け実装す
ることにより両者の設置環境を同一にでき信頼度の高い
観測データを得ることができる。
As described above, in the structure of the seabed repeater for ocean observation according to the present invention, the pressure gauge integrated with the pressure sensitive crystal and the reference crystal is attached and mounted on the outer peripheral wall surface of the connecting ring. The installation environment can be the same and highly reliable observation data can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例を示す断面である。FIG. 1 is a cross section showing an embodiment of the present invention.

【図2】従来構造の一例を示す断面図である。FIG. 2 is a sectional view showing an example of a conventional structure.

【符号の説明】[Explanation of symbols]

1 耐圧筐体 2 伝送部 3,4 端板 5,5′ 光ファイバー貫通部 6 信号線貫通部 7,7′ 接続リング 8 感圧水晶 9 参照水晶 10 水圧計 11 プロテクタ 12,12′ 台 1 Pressure-resistant housing 2 Transmission part 3,4 End plate 5,5 'Optical fiber penetration part 6 Signal line penetration part 7,7' Connection ring 8 Pressure sensitive crystal 9 Reference crystal 10 Water pressure gauge 11 Protector 12, 12 'units

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 電子回路を収容した円筒状耐圧容器と、
その両端部に設けられ海底ケーブル引留部のカップリン
グと接続する接続リングと、感圧水晶と参照水晶の差周
波数の変化量を検出することにより外部圧力を感知する
圧力計とを有する海底中継器構造において、前記圧力計
は感圧水晶と参照水晶が入った第1のケースと第1のケ
ースをカバーする第2のケースを有しケース間にはオイ
ルが充填されており、前記接続リングの外壁面部に前記
圧力計を取付け実装したことを特徴とする海底中継器構
造。
1. A cylindrical pressure-resistant container containing an electronic circuit,
A submarine repeater having connection rings provided at both ends thereof for connecting to a coupling of a submarine cable detention unit, and a pressure gauge for detecting an external pressure by detecting a change amount of a difference frequency between a pressure-sensitive crystal and a reference crystal. In the structure, the pressure gauge
Is the first case and the first case containing the pressure sensitive crystal and the reference crystal.
There is a second case that covers the source
Le is filled, the an outer wall surface of said connecting ring
Submarine repeater structure characterized by mounting and mounting a pressure gauge .
JP3823395A 1995-02-27 1995-02-27 Submarine repeater structure Expired - Lifetime JP2679663B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3823395A JP2679663B2 (en) 1995-02-27 1995-02-27 Submarine repeater structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3823395A JP2679663B2 (en) 1995-02-27 1995-02-27 Submarine repeater structure

Publications (2)

Publication Number Publication Date
JPH08237853A JPH08237853A (en) 1996-09-13
JP2679663B2 true JP2679663B2 (en) 1997-11-19

Family

ID=12519589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3823395A Expired - Lifetime JP2679663B2 (en) 1995-02-27 1995-02-27 Submarine repeater structure

Country Status (1)

Country Link
JP (1) JP2679663B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6372144B2 (en) * 2014-04-15 2018-08-15 富士通株式会社 Relay device, feedthrough, and method of manufacturing relay device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653892A (en) * 1979-10-09 1981-05-13 Mitsubishi Electric Corp Processing method for weld end part of weld bead
JPS60239130A (en) * 1984-05-14 1985-11-28 Nec Corp Submarine cable communication system

Also Published As

Publication number Publication date
JPH08237853A (en) 1996-09-13

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Effective date: 19970701