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A photoelectric composite submarine cable pressure-resistant waterproof joint

A technology of photoelectric composite and waterproof joints, applied in the direction of cable terminals, etc., to achieve good sealing performance, meet fast connection, and avoid accidental breakage

Active Publication Date: 2021-12-31
GUANGZHOU MARINE GEOLOGICAL SURVEY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the photoelectric composite cable, especially 4C-OBC, is still in preliminary use in China, and there is no connector that is very suitable for connecting the sensor short section and the photoelectric composite cable, so that the photoelectric composite submarine cable can meet the functional requirements of pressure resistance and sealing

Method used

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  • A photoelectric composite submarine cable pressure-resistant waterproof joint

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Embodiment Construction

[0022] Below, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 As shown, a photoelectric composite submarine cable pressure-resistant waterproof joint includes a spring 1, a joint body 2, a taper sleeve 3, a grease injection hole 5, a first fixing member 6, an adapter 7, a power supply connector 8, a spiral ring 9, The ferrule 10 and the second fixing piece 13, the spring 1 is fixedly arranged on the outside of the joint body 2, the spring 1 can be connected with the joint body 2 through the thread on the outside of the joint body 2, and the spring 1 is fixed along the axial direction of the joint body 2 On the outer side of the joint body 2, the spring 1 is sleeved on the photoelectric composite submarine cable to protect the photoelectric composite submarine cable so that the photoelectric composite submarine cable will not be bent and damaged. The photoelectric composite submar...

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Abstract

The invention relates to a photoelectric composite submarine cable pressure-resistant waterproof joint, which includes a spring, a joint body, a taper sleeve, a first fixing piece, an adapter, a power supply connector and a card sleeve. Connection, the spring is used to set the photoelectric composite submarine cable, the taper sleeve located in the connector body is used to fix the photoelectric composite submarine cable, the rear end of the connector body is fixedly connected to the front end of the adapter through the first fixing piece, and the connection between the connector body and the adapter A cavity is formed inside the cavity, and the cavity is filled with silicone grease for waterproofing. The inside of the adapter is provided with a power supply connector that is electrically connected to the cable. The clamping sleeve is used to fix the optical fiber passing through the cavity. The clamping sleeve It is fixed inside the adapter, and the adapter is connected to the outer sensor nipple. The invention satisfies the pressure-resistant, sealing and anti-corrosion functions required by the photoelectric composite submarine cable during use, and can avoid accidental breakage of the joint of the submarine cable, has good sealing performance, and satisfies the waterproof design for deep-sea operations.

Description

technical field [0001] The invention relates to the technical field of joints, in particular to a pressure-resistant waterproof joint of a photoelectric composite submarine cable. Background technique [0002] 4-Component Ocean Bottom Cable (4C-OBC) is a device that can collect full-wave seismic signals (including longitudinal waves and shear waves) on the seabed. In the process of making 4-component submarine optical cables, it is necessary to combine sensor subsections and photoelectric The composite cable is connected so that the optical fiber in the photoelectric composite cable, the cable is connected with the sensor located on the sensor pup. Photoelectric composite submarine cables are usually used in deep seawater, for example, the working water depth reaches 1000m (meters), and the withstand pressure is not less than 10MPa. At the same time, since the sensor sub-section is powered by the cable, and the data collected by the sensor on the sensor sub-section is trans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G15/06H02G15/04
CPCH02G15/06H02G15/04
Inventor 吴学敏梁前勇刘飞卢海龙张敏何向阁王磊董一飞钟超
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY
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