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A oscillating magnetic field generating device and its control method

A magnetic field generating device and magnetic field technology, applied in the direction of electromagnetic circuit devices, electromagnets, and electromagnets without armatures, can solve the problems of high field strength and fast switching of the swinging magnetic field, so as to increase the frequency and increase the strength Effect

Active Publication Date: 2022-03-08
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing swinging magnetic field devices are generally realized by switching the DC power supply to the coil and switching the direction. It is difficult to achieve high field strength and fast switching of the swinging magnetic field.

Method used

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  • A oscillating magnetic field generating device and its control method
  • A oscillating magnetic field generating device and its control method

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The oscillating magnetic field generation system of the present invention includes a high-voltage DC power supply U, a high-voltage capacitor C, a resistor R1, four diodes D1-D4, five switches S1-S5, three thyristors Q1-Q3, and three groups of coils L1-D4. L3.

[0032] According to an embodiment of the present invention, the three groups of coils L1-L3 can be replaced by two groups, or there can be more groups of coils; each group of coils i...

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Abstract

The present invention relates to a swinging magnetic field generating device and its control method. The device includes a DC power supply U with adjustable output voltage, a capacitor C, a resistor R1, four diodes D1-D4, five switches S1-S5, Three thyristors Q1~Q3, three sets of coils L1~L3; the three sets of coils share a high-voltage DC power supply and high-voltage capacitor; after the DC power supply U charges the capacitor C each time, under the action of the microcontroller, the current The oscillating magnetic field is generated through the coils L1, L2, and L3, and the oscillating magnetic field is output on three sets of orthogonal coil axes. The high-voltage capacitor of the invention is discharged in the three-axis coil successively through one charge, and can generate a high-intensity magnetic field, which not only saves energy, but also significantly increases the frequency of the swinging magnetic field.

Description

technical field [0001] The invention relates to a oscillating magnetic field generating device, in particular to a oscillating magnetic field generating device and a control method for biological or cell research. Background technique [0002] With the continuous progress of biomedicine, people pay more and more attention to the safety of living environment. Existing swinging magnetic field devices are generally realized by switching on and off the power supply to the coil and direction switching of the DC power supply, and it is difficult to achieve high field strength and fast switching of the swinging magnetic field. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the existing oscillating magnetic field generating device, and propose a device that utilizes an automatic switching circuit and a high-voltage capacitor to discharge the coil to realize the oscillating magnetic field. The invention can realize the os...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F7/06H01F7/20
CPCH01F7/064H01F7/20
Inventor 徐建省于阳宋涛
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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