Device and method for measuring hysteresis loops of giant magnetostrictive rod
A technology of giant magnetostrictive rods and hysteresis loops, which is applied in the fields of magnetic property measurement and hysteresis curve measurement, and can solve the problems that the hysteresis loop measurement of giant magnetostrictive rods cannot meet the actual working conditions.
Active Publication Date: 2016-08-31
ANHUI UNIV OF SCI & TECH
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[0005] The purpose of the present invention is to provide a device and method for measuring the hysteresis loop of giant magnetostrictive rods, so as to solve the problem that the hysteresis loop measurement of giant magnetostrictive rods cannot meet the actual working conditions
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[0042] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:
[0043] A schematic diagram of the overall structure of a device for measuring the hysteresis loop of giant magnetostrictive rods is shown in figure 1As shown, it includes high-precision power supply 1, first wire 2, second wire 3, driver 4, displacement sensor 5, sensor bracket 6, mounting nut 7, screw 8, computer 9, data line 10, data acquisition card 11, the first Three wires 12, fourth wire 13, signal amplifier 14, fifth wire 15, sixth wire 16, regulated power supply 17, seventh wire 18, eighth wire 19, ninth wire 20, tenth wire 21, base plate 22 , water tank 23, water pump 24, water outlet pipe 25, water inlet pipe 26, base 27, eleventh wire 28, twelfth wire 29, temperature indicator 30, thirteenth wire 31 and fourteenth wire 32;
[0044] The high-precision power supply 1 is connected to the driver 4 through the first wire 2, the second wire 3, the thirteenth...
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The invention discloses a device and a method for measuring hysteresis loops of a giant magnetostrictive rod. The measuring device comprises a high-precision power supply, a first guide wire, a second guide wire, a driver, a displacement sensor, a sensor bracket, a mounting nut, a bolt, a computer, a data wire, a data acquisition card, a third guide wire, a fourth guide wire, a signal amplifier, a fifth guide wire, a sixth guide wire, a voltage-stabilizing power supply, a seventh guide wire, an eighth guide wire, a ninth guide wire, a tenth guide wire, a bottom plate, a water tank, a water pump, a water outlet tube, a water inlet tube, a base, an eleventh guide wire, an twelfth guide wire, a temperature display, a thirteenth guide wire and a fourteenth guide wire. The measuring device and the measuring method provided by the invention can precisely measure hysteresis loops, at a constant temperature, under different offset magnetic fields and under different pre-tightening force, of the giant magnetostrictiver rod, so that using requirements under different working conditions are met, and guarantee is provided for developing a high-performance giant magnetostrictive material instrument.
Description
technical field [0001] The invention discloses a device and a method for measuring a hysteresis loop, in particular to a device and a method for measuring a hysteresis loop of a giant magnetostrictive rod. Background technique [0002] Giant magnetostrictive materials have excellent properties such as large magnetostriction coefficient, fast response speed, and high magneto-mechanical coupling system. The development of functional devices for them has become one of the hotspots in the research of functional materials at home and abroad. Electronic industry, precision drive, ultrasonic detection and exploration, marine science, vibration reduction and anti-vibration, medical equipment and other fields have very good application prospects. [0003] At present, the shapes of giant magnetostrictive materials are mainly rod type and thin film type, and the rod type is used as the research object to develop devices. Giant magnetostrictive materials are ferromagnetic functional ma...
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Login to View More IPC IPC(8): G01R33/14
CPCG01R33/14
Inventor 喻曹丰王传礼冒鹏飞马丁钟长鸣许攀
Owner ANHUI UNIV OF SCI & TECH