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Sealed submarine cable

A technology for sealing cables and underwater cables, applied in cable joints, circuits, electrical components, etc., can solve the problems of poor maintainability, high cost, long maintenance cycle, etc., and achieve simple replacement and maintenance, good reliability, and low cost. Effect

Inactive Publication Date: 2006-07-26
THE FIRST INST OF OCEANOGRAPHY SOA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If multiple cables are required on one set of equipment, the cost is a heavy burden for the average user
[0005] 2. Poor maintainability As the vulcanization process is commonly used in the current manufacturing and processing of underwater sealed cables, once the cable fails or is damaged, it is generally impossible to repair it on site. The usual practice is to directly replace the entire cable, which makes Users have to prepare multiple sets of costly spare underwater sealing cables during operation
[0006] 3. The maintenance period is long. As the vulcanization process of watertight cables and their seals, it generally takes more than 24 hours. If the number of cable cores is large or the diameter of plugs and sockets is large, the processing time will be longer. This is often Causes long-term stoppages in offshore operations, resulting in a lot of waste

Method used

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Examples

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Embodiment Construction

[0018] As shown in Figures 1 and 3, the present invention includes two quick joints 2,10 at the beginning and the end and the sealing thin hoses 3,9 connected thereto and the cables 1,11 therein, and is characterized in that it also includes a pair of variable-diameter quick connectors. The joints 4, 8, and the plug 6 and socket 7 in the thick hose 5 therebetween, and the variable diameter quick connectors 4, 8 are socketed by the sealed thick hose 5.

[0019] Such as figure 2 , the essence of the above-mentioned variable-diameter quick connector 4,8 is a quick connector with a small sealing mouth 13 and a large sealing mouth 14 that are screwed with a small nut 12 and a large nut 15 at both ends respectively.

[0020] When in use, the two quick connectors 2 are respectively connected to the sealed chamber body of the existing equipment, which can be connected with the sealing ring by threads, or directly welded together with the chamber body; The end is connected with the th...

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Abstract

This invention relates to one underwater operation device or communication sealed cable, which comprises Front and back two rapid joints ad the sealed thin and thick tubes and it's inside cable. The invention is characterized by the following: comprising one pair of variable rapid joint and its middle tube cable plug and socket; the radium rapid plug is covered by sealed tube to realize cable pass through tubes; the cable plug is connected to the socket; The above radium rapid plug is formed by small and large screw caps with small sealed mouth and large joint.

Description

technical field [0001] The invention relates to an underwater sealed cable used for power supply or communication of underwater operation equipment. Background technique [0002] The cable sealing problem of underwater operation equipment has always been an important and difficult point in related technical fields at home and abroad, because the sealing effect of cables directly determines the working performance, service life and practicability of underwater equipment. At present, relevant departments at home and abroad have developed a variety of underwater sealing cables, mainly using rubber vulcanization to ensure the watertight performance of various power supply cables and communication cables, and some can be used in water depths below 5000m. However, for small equipment operating in shallow water, the use of this type of cable has the following three disadvantages: [0003] 1. The cost is too expensive [0004] Take the deep-water cable that can be used in 5000m wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/18H01R11/26H01R13/627
Inventor 李泽林张道建夏达英王慧艳
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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