Oil leakage detection optical cable and oil leakage detection device
A detection device and oil leakage technology, which is applied in the fields of optical device exploration, pipeline system, mechanical equipment, etc., can solve the problems of small change of optical signal intensity, large preparation difficulty, increase detection cost, etc., and achieve strong signal response intensity and low cost. , composed of simple effects
Pending Publication Date: 2022-02-18
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology
However, the structure of the existing oil leakage detection cable is relatively complex, the preparation is difficult, and the detection cost is easy to increase, and the intensity change of the optical signal caused by refraction and scattering is relatively small, which is prone to false alarms
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[0027] In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further introduced below in conjunction with the accompanying drawings.
[0028] Such as Figure 1-Figure 2 As shown, in a specific embodiment, the present invention provides an oil leakage detection optical cable and an oil leakage detection device, and the oil leakage detection optical cable is the main component of the oil leakage detection device. The oil leakage detection optical cable includes an optical cable jacket 1 which absorbs oil and dissolves or becomes transparent, a light-conducting fiber 2 inside the cable and a jacket fixing layer 3 outside the cable jacket.
[0029] Specifically, the above-mentioned optical cable jacket 1 can be determined according to the use environment and cost requirements, and can be selected as a polypropylene nanofiber film sleeve with a diameter of 5 mm; the material and quantity of the abo...
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The invention discloses an oil leakage detection optical cable and an oil leakage detection device. The oil leakage detection optical cable comprises an optical cable jacket, a jacket fixing layer and optical conduction fibers; the oil leakage detection device comprises a light source emitting device, the oil leakage detection cable and a light receiver. According to the working principle of the oil leakage detection optical cable and the oil leakage detection device, the light source emits light signals on one side of the optical cable, and the light receiver is arranged on the other side of the optical cable or on the optical cable; when oil contacts with the outer sleeve of the optical cable, the outer sleeve absorbs oil to be dissolved or becomes transparent, light in the optical conduction fibers is transmitted at the position, signals of the light receiver are weakened, and the position where oil leakage occurs can be judged according to the weakening strength of the signals. The device is high in stability, accurate in detection and simple in composition.
Description
technical field [0001] The invention relates to the technical field of oil leakage detection, and in particular relates to an oil leakage detection optical cable and an oil leakage detection device. Background technique [0002] Energy has always been an important substance related to the stable development of human society, and petroleum and petroleum products are very important substances in the energy field. Petroleum and petroleum products have long transportation pipelines, large storage equipment, and good airtight storage areas. It is difficult to detect leakage during transportation or use, which will cause environmental pollution and energy waste. Therefore, oil leak detection technology is particularly important. [0003] A typical existing oil leakage detection cable includes an oil-absorbing expansion body, an optical fiber, and a limit ring. When an oil leakage event occurs, the oil-absorbing expansion body of the cable will expand due to oil absorption. Under ...
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Login to View More IPC IPC(8): G01V8/24F17D5/02
CPCG01V8/24F17D5/02
Inventor 朱旭祝磊常晓李晖于世凡薛庆忠
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)