Magnetic flux density apparatus for, E.G., detecting an internal crack of a metal or a shape of the metal
First Claim
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1. A display apparatus of magnetic flux density for detecting an internal crack of a metal or a shape of the metal comprising:
- a three-dimensional magnetic flux focusing unit installed near the metal, for concentrating magnetic flux generated by the metal;
a magnetic flux density measurement unit installed near the magnetic flux focusing unit, for measuring changes in magnetic flux density concentrated by the magnetic flux focusing unit;
a display unit electrically connected with the magnetic flux measurement unit, for real-time displaying and storing changes in the magnetic flux density; and
wherein the magnetic flux focusing unit comprise a container having magnetic fluid.
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Abstract
A display apparatus of magnetic flux density for detecting an internal crack of a metal or a shape of the metal includes a three-dimensional magnetic flux focusing unit installed near the metal, for concentrating magnetic flux generated by the metal, a magnetic flux density measurement unit installed near the magnetic flux focusing unit, for measuring changes in magnetic flux density concentrated by the magnetic flux focusing unit, and a display unit electrically connected with the magnetic flux measurement unit, for real-time displaying and storing changes in the magnetic flux density.
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Citations
18 Claims
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1. A display apparatus of magnetic flux density for detecting an internal crack of a metal or a shape of the metal comprising:
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a three-dimensional magnetic flux focusing unit installed near the metal, for concentrating magnetic flux generated by the metal;
a magnetic flux density measurement unit installed near the magnetic flux focusing unit, for measuring changes in magnetic flux density concentrated by the magnetic flux focusing unit;
a display unit electrically connected with the magnetic flux measurement unit, for real-time displaying and storing changes in the magnetic flux density; and
wherein the magnetic flux focusing unit comprise a container having magnetic fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A display apparatus of magnetic flux density for detecting an internal crack of a metal or a shape of the metal comprising:
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a three-dimensional magnetic flux focusing unit installed near the metal, for concentrating magnetic flux generated by the metal;
a magnetic flux density measurement unit installed near the magnetic flux focusing unit, for measuring changes in magnetic flux density concentrated by the magnetic flux focusing unit;
a display unit electrically connected with the magnetic flux measurement unit, for real-time displaying and storing changes in the magnetic flux density; and
wherein the magnetic flux focusing unit comprises an absorber of magnetic fluid. - View Dependent Claims (17)
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18. A display apparatus of magnetic flux density for detecting an internal crack of a metal or a shape of the metal comprising:
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a first means, near the metal, for concentrating magnetic flux generated by the metal;
a second means, installed near the first means, for measuring changes in magnetic flux density concentrated by the magnetic flux focusing unit; and
a third means, connected with the second means, for real-time displaying and storing changes in the magnetic flux density; and
wherein said first means includes a three-dimensional magnetic fluid and said second means includes a regularly arranged magnetic sensor, wherein the apparatus measures and displays in real time magnetic flux density, amplifying leakage magnetic flux and increasing magnetic flux density in a particular region of the sensor to measure leakage magnetic flux.
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Specification