Manufacturing method of underwater oil-filled cable
The technology of an oil-filled cable and its manufacturing method is applied in the direction of circuits, electrical components, parts of connecting devices, etc., which can solve problems such as inconvenient maintenance, long delivery cycle, and difficult to detect, and achieve safe and reliable use and simple and convenient production , cost reduction effect
Active Publication Date: 2015-04-15
中国船舶重工集团公司第七〇二研究所
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Problems solved by technology
Due to the complicated production process, this kind of cable needs to be vulcanized many times, resulting in high price, long delivery cycle and inconvenient maintenance.
At the same time, because the entire cable is a thin rubber product, the outer skin is easily scratched by hard objects or punctured by sharp objects during use, and it is not easy to detect. After being used in the water, water will enter the interior of the cable along the damaged opening, resulting in a short circuit or even an accident. ACCIDENT
Method used
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Embodiment Construction
[0017] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0018] 1. The structure of underwater oil-filled cables.
[0019] figure 1 It is a schematic diagram of the underwater oil-filled cable of the present invention. like figure 1 As shown, making the underwater oil-filled cable of the present invention requires wire 1, plastic hose 2, compensating oil 3, serial number tube 4, welding end 5, AB glue 6 (oil-resistant type), hoop 7 and watertight plug 8.
[0020] The wire 1 is used for power and signal transmission. Its two ends are respectively welded to the tails of the welding ends 5 of two different watertight plugs 8 . One or several types of wires 1 can be selected according to the needs of signal transmission, such as high-temperature wires, shielded twisted-pair wires, coaxial cables, and the like.
[0021] The plastic hose 2 is used for the sealing of the whole cable and isolates sea...
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The invention provides an underwater oil-filled cable and a manufacturing method thereof. The underwater oil-filled cable mainly comprises watertight plugs, a lead, a plastic hose, compensation oil and clamping devices; the lead is wrapped inside the underwater oil-filled cable by the plastic hose to realize the isolation of the inside from water; and the pressure difference of the inside and the outside caused by the water pressure is balanced by the compensation oil in the plastic hose. When the underwater oil-filled cable is manufactured, the lead is cut off according to the required length of the cable and the cut cable is enabled to penetrate into the plastic hose; the corresponding watertight plugs are respectively welded at two ends of the lead; after the welding is finished, one end of the lead is clamped by using the clamping devices such as AB adhesive and a hoop; then the compensation oil is filled into the plastic hose from the other end of the lead; and after the plastic hose is fully filled with the compensation oil, the plastic hose is clamped by the clamping devices, and finally the whole oil-filled cable is manufactured. The underwater oil-filled cable has the advantages of low price, great underwater work depth, simpleness and convenience in manufacture, safety and reliability in use and low possibility of being scratched.
Description
technical field [0001] The invention relates to an underwater cable, in particular to an underwater oil-filled cable and a related manufacturing method, which are mainly used for the transmission of electric power and signals between sealed compartments in marine underwater measuring instruments and engineering equipment. Background technique [0002] Ocean research, development and utilization are inseparable from ocean survey instruments and ocean engineering equipment. Due to the particularity of the marine environment, every 10 meters of water depth will increase the pressure by 1 atmosphere. At the same time, seawater is also a good conductor. Therefore, measuring instruments and engineering equipment used in the air must solve the problem of pressure resistance and sealing when used in seawater. At the same time, because the deeper the seawater, the greater the pressure, so marine surveying instruments and marine engineering equipment cannot be made too large. They are...
Claims
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IPC IPC(8): H01R13/523H01R43/00
Inventor 徐纪伟马伟锋程斐王俊轩
Owner 中国船舶重工集团公司第七〇二研究所