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Underwater cable junction box

An underwater cable and tandem technology, which is applied in the direction of cable joints, etc., can solve the problems of short circuit and unsatisfactory effect of underwater multi-strand cable tandem, so as to reduce the impact, facilitate full application, and enhance corrosion resistance Effect

Inactive Publication Date: 2014-05-14
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of unsatisfactory underwater multi-strand cable junction effect and easy circuit short-circuit due to water ingress, the purpose of the present invention is to provide an underwater cable junction box

Method used

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] Such as Figure 1-5 As shown, the present invention includes a sealed casing and auxiliary facilities, wherein the sealed casing includes a cylinder 6 and a left end cover 3 and a right end cover 8 that are sealed and installed on both sides of the cylinder 6, and the auxiliary facilities include a cable watertight plug 1, a sacrificial anode 2 and the cable junction plate 7. The junction box is composed of a left end cover 3, a cylinder 6 and a right end cover 8 to form a whole sealed shell. The structure of the left end cover 3 and the right end cover 8 is the same. Cable junction board 7.

[0023] A plurality of through holes (four in this embodiment) are evenly distributed in the radial direction on the outer cylindrical surface at both ends of the cylinder 6, and the inner end surface edge of each end cover protrudes inward in the axial directio...

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Abstract

The invention belongs to the field of underwater instruments and devices, and particularly relates to an underwater cable junction box for collecting underwater cables. The underwater cable junction box comprises a sealed housing, cable watertight plugs and a cable junction board, wherein two end surfaces of the sealed housing are respectively provided with the plurality of cable watertight plugs in a sealed mode; one of the cable watertight plugs on each end surface is a plug of a junction cable outlet, and the other plugs are plugs of inlet cables; the cable junction board is installed in the sealed housing; and a plurality of cables, which penetrate into the sealed housing from the plugs of inlet cables on the two end surfaces of the sealed housing, are connected on the cable junction board, and then are led out through the plug of the junction cable outlet. By adopting a cylindrical streamline sealed housing design, the cables on the plugs realize junction inside the sealed housing, and thus the problem of high seawater infiltration tendency in the underwater junction of cables is solved. A sacrificial anode enhances the corrosion resistance of the whole sealed housing underwater and especially in seawater.

Description

technical field [0001] The invention belongs to the field of underwater instruments and equipment, in particular to an underwater cable junction box which collects underwater cables. Background technique [0002] With the needs of the development of human society and the advancement of science and technology, the scale of underwater engineering is getting larger and larger, and it is widely used in the fields of underwater resource investigation, offshore oil exploration, rescue and lifesaving, underwater civil engineering construction, and marine military. Types, different functions of underwater instruments. Therefore, the design and development of underwater instrument system is a common and important work. The development of underwater instruments often requires the tandem of cables, that is, to connect multiple strands of cables together to form a cable. In the past, underwater cable junctions were usually made by electrically connecting multi-strand cables, and then ...

Claims

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Application Information

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IPC IPC(8): H02G15/10
Inventor 陈永华
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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