Micro-processor controlled magnet-stabilizing device

Abstract

The invention provides a magnetic stabilizer device controlled by a micro-processor, belonging to the field of demagnetization technique, comprising an energy storage capacitor, a magnetic stabilizer coil, a bidirectional controllable silicon, a current limiting resistance, a sampling and divider first resistance, a sampling and divider second resistance, a sampling and divider third resistance, a sampling and divider fourth resistance, a measurement-control unit, a micro-processor, a magnetic stabilizing value arrangement unit, and a display unit; the four resistances are connected in seriesto form three voltage division values used for sampling of the measurement-control unit; the energy storage capacitor is connected in parallel at two ends of the resistances connected in series; the magnetic stabilizer coil is connected with the energy storage capacitor and the current limiting resistance to form a charging / discharging circuit; one end of the magnetic stabilizer coil is connectedwith one end of the bidirectional controllable silicon and the other end of the bidirectional controllable silicon is respectively connected with the measurement-control unit and the micro-processor;the micro-processor controls the on-off of the bidirectional controllable silicon; the display is in charge of detecting the magnetic flux density value; one end of the display unit is connected withthe micro-processing unit; the magnetic stabilizing value arrangement unit is respectively connected with the measurement-control unit, the micro-processing processor and the sampling and divider fourth resistance.

Description

technical field [0001] The invention relates to a device in the technical field of degaussing, in particular to a magnetic stabilization device controlled by a microprocessor. Background technique [0002] The existing pulse charging and demagnetizing device generates an alternating magnetic field in a solenoid coil or other structural magnetic field coil fixtures to magnetize permanent magnet materials. The current is controlled by the electronic switch to gradually decrease forward and reverse alternately to obtain the positive and negative alternating amplitude reduction magnetic field to demagnetize the magnetized body. [0003] After searching the existing technical documents, it is found that the Chinese patent application number: 200510009811.9, the patent name is "decreasing oscillation type demagnetization device", the patent includes a pulsed power supply, and it also includes a mutual inductance coil and a capacitor; the mutual inductance coil is composed of a coi...

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Problems solved by technology

Therefore, the damped oscillation demagnetization technology involved in this patent cannot demagnetize the permanent magnet steel body under the saturation state with the preset demagnetization flux density, and cannot stabilize it at the preset precise ratio of magnetic flux density. Within the range of flux density

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