METHOD AND APPARATUS FOR DIAGNOSING DETERIORATION OF CORE WIRE COATING
PURPOSE:To diagnose deterioration degree of a core wire coating by obtaining the difference between a crack signal from a depth of about 100mum and a special distribution from both differences of a strength and the number of a pulse peaks and the distribution. CONSTITUTION:An electric pulse signal i...
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| creator | YOSHIDA HIROTAKA SAKIDA EIICHI NAKAMURA TOMOHIKO SHINDO HIROAKI HONJO KATSUHIKO |
| description | PURPOSE:To diagnose deterioration degree of a core wire coating by obtaining the difference between a crack signal from a depth of about 100mum and a special distribution from both differences of a strength and the number of a pulse peaks and the distribution. CONSTITUTION:An electric pulse signal is transmitted from a transceiver 20, and an ultrasonic pulse is incident from an ultrasonic sensor 10 to a core wire coating 2. An ultrasonic signal reflected from a cable core wire 2 in the coating 2 or a crack 3 is converted to an electric signal by the sensor 10. It is supplied from the sensor 10 to the transceiver 20, and amplified. This received signal (waveform) is analyzed and processed by a deterioration diagnosing unit 30, and a deterioration degree due to the crack 3 is calculated. This result is output to and stored in a display memory 40. |
| format | Patent |
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CONSTITUTION:An electric pulse signal is transmitted from a transceiver 20, and an ultrasonic pulse is incident from an ultrasonic sensor 10 to a core wire coating 2. An ultrasonic signal reflected from a cable core wire 2 in the coating 2 or a crack 3 is converted to an electric signal by the sensor 10. It is supplied from the sensor 10 to the transceiver 20, and amplified. This received signal (waveform) is analyzed and processed by a deterioration diagnosing unit 30, and a deterioration degree due to the crack 3 is calculated. 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CONSTITUTION:An electric pulse signal is transmitted from a transceiver 20, and an ultrasonic pulse is incident from an ultrasonic sensor 10 to a core wire coating 2. An ultrasonic signal reflected from a cable core wire 2 in the coating 2 or a crack 3 is converted to an electric signal by the sensor 10. It is supplied from the sensor 10 to the transceiver 20, and amplified. This received signal (waveform) is analyzed and processed by a deterioration diagnosing unit 30, and a deterioration degree due to the crack 3 is calculated. This result is output to and stored in a display memory 40.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | METHOD AND APPARATUS FOR DIAGNOSING DETERIORATION OF CORE WIRE COATING |
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