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Recently, the "cable connection device" designed by the researcher of the Institute of Oceanology of the Chinese Academy of Sciences, Gong Dejun, was awarded the national invention patent.
The invention relates to the field of underwater measurement technology, and relates to a cable connecting device for underwater measuring instruments, sensors and detecting probes and transmission cables. Compared with the existing connection technology, the invention has the following advantages: First, multiple sealing measures (such as 7-layer gasket and 3-layer sealing ring) are adopted, the watertightness is good, the line connection is reliable, and the second is that welding is not required. The pressure cap is connected with the inner and outer threads to avoid the adverse effects caused by welding. The third is easy operation and simple operation procedure without special training. In the process of hydrological and geological survey of oceans and rivers and lakes using measuring instruments, cable connections are required between the measuring and control instruments and the underwater sensors and test probes, while in the field operations, especially on water (offshore platforms, ships, etc.) Due to the limitations of the site conditions, some environmental wiring is not allowed to be welded, and in particular, a convenient, reliable, watertight connection device is required. The existing joining techniques and methods cannot simultaneously satisfy these three conditions, and the inventive technique solves this problem and ensures the reliability of the cable connection between the measuring instrument and the underwater sensor and the detecting probe.