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Underwater cable equipped with detection mechanism

A technology for underwater cables and detection mechanisms, applied in cables, insulated cables, communication cables, etc., can solve problems such as damage to cable status detection sensors

Active Publication Date: 2018-02-16
ZHEJIANG MARINE DEV RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an underwater cable with a detection mechanism in which the cable state detection sensor is not easy to be damaged, and solves the problem that the cable state detection sensor of the existing underwater cable with a detection mechanism is easily damaged

Method used

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  • Underwater cable equipped with detection mechanism
  • Underwater cable equipped with detection mechanism
  • Underwater cable equipped with detection mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment one, see figure 1 , an underwater cable with a detection mechanism, including a cable body 1 . The cable body 1 is provided with several protective boxes 7 distributed along the length direction of the cable. The protection box 7 is provided with an insulating oil filling port 71 , a cable state detection sensor installation port 72 , a sliding pipe 73 and two threading ports 74 . The insulating oil filling port 71 is sealingly connected with a filling port cover 711 . The installation port 72 of the cable state detection sensor is sealingly connected with the installation port cover 721 . The communication module 11 is disposed on the installation cover 721 . The threading opening 74 is threadedly connected with a sealing nut 75 .

[0021] see figure 2 , The free end of the threading opening 74 is provided with an external thread segment 741 . The externally threaded section 741 is provided with a sealing cutout 742 . The sealing cut 742 extends from...

Embodiment 2

[0023] Embodiment two, the difference with embodiment one is:

[0024] see image 3 , also includes monitoring drive mechanism 6. The monitoring driving mechanism 6 includes a sounding mechanism 61 , a control unit 62 , a first pressure sensor 63 , a second pressure sensor 64 and a flexible layer 65 wrapped outside the protective box. A cavity 66 is formed between the flexible layer 65 and the protective box 7 . The cavity 66 is filled with hydraulic oil. The first pressure sensor 63 is disposed within the cavity 66 . The second pressure sensor 64 is disposed inside the protective box 7 . Both the sounding mechanism 61 and the control unit 62 are arranged in the protective box. The first pressure sensor 63 , the second pressure sensor 64 and the sounding mechanism 61 are electrically connected to the control unit 62 . The cable body 1 is provided with a power cord. The power cord is led out from the part of the cable body inside the protective box to supply power to the...

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Abstract

The invention relates to an underwater cable, and discloses an underwater cable equipped with a detection mechanism. The underwater cable comprises a cable body; a plurality of cable state detection sensors distributed in the length direction of the cable are arranged on the cable body; a plurality of protection boxes are arranged on the cable body; the cable state detection sensors are positionedin the corresponding protection boxes in a one-to-one correspondence manner; each protection box is provided with a sliding pipe and two threading openings; the cable body passes through each protection box via the two threading openings; the threading openings and the cable body are connected together in a sealing manner; a balance block is glidingly connected in each sliding pipe in a sealing manner; and each protection box is filled with insulating oil. According to the underwater cable equipped with the detection mechanism provided by the invention, the cable state detection sensors are not damaged easily, so that the problem of easy damage of the cable state detection sensors of the existing underwater cable equipped with the detection mechanism can be solved.

Description

technical field [0001] The invention relates to an underwater cable, in particular to an underwater cable equipped with a detection mechanism. Background technique [0002] Underwater cables provide underwater communication, power and pulling services for marine underwater optical cables, cables, various marine underwater equipment and offshore towing systems. The reliability of underwater cables directly determines the safety and effectiveness of marine underwater optical cables, cables, marine underwater equipment, offshore towing systems and mooring systems. During the use of the cable, due to the complicated force (underwater pressure, water thrust, contact with various creatures and objects, etc.) Real-time monitoring of information such as the working status and shape of underwater cables. At present, it is more common to paste strain gauges or multi-axis sensors on its surface (hereinafter referred to as strain gauges or multi-axis sensors collectively referred to as...

Claims

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Application Information

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IPC IPC(8): H01B7/32H01B11/16H02G3/04
CPCH01B7/326H01B7/328H01B11/16H02G3/0462
Inventor 季建周枫徐春莺傅光明杨凯盛徐颖俊陈家旺
Owner ZHEJIANG MARINE DEV RES INST