Continuous demagnetization device for steel pipe processing

• Main Authors: GONG WENYI, ZHENG YAFEI, WEN HONGGANG
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

The invention discloses a continuous demagnetization device for steel pipe processing. The continuous demagnetization device comprises a magnetic force detector, a digital-analogue converter, a single-chip microcomputer and an electromagnet. The magnetic force detector is used for detecting magnetic force of a steel pipe and transmitting measured data to the single-chip microcomputer; the single-chip microcomputer sets specific parameters required for demagnetization by a demagnetization program according to the data of the magnetic force detector to generate a sine wave; the digital-analog converter converts a code of a sine waveform sample value generated by the single-chip microcomputer into an analog value, and an output signal is a demagnetization signal; the electromagnet receives the demagnetization signal transmitted by the digital-analogue converter and demagnetizes the steel pipe; the N pole of the electromagnet is located at the side, with S polar magnetism, of the steel pipe, and the S pole of the