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Swing magnetic field generating device and control method thereof

A magnetic field generating device and magnetic field technology, which is 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, and achieve increased frequency and increased strength. Effect

Active Publication Date: 2020-11-17
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • 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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  • Swing magnetic field generating device and control method thereof
  • Swing magnetic field generating device and control method thereof

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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 invention relates to a swinging magnetic field generating device and a control method thereof. The device comprises a direct-current power supply U with adjustable output voltage, a capacitor C, aresistor R1, four diodes D1 to D4, five switches S1 to S5, three silicon controlled rectifiers Q1 to Q3 and three groups of coils L1 to L3, and the three groups of coils share one high-voltage direct-current power supply and one high-voltage capacitor. After the capacitor C is charged by the direct-current power supply U each time, the current sequentially passes through the coils L1, L2 and L3 under the action of the microcontroller to generate a swinging magnetic field, so that the swinging magnetic field is output on the three groups of orthogonal coil shafts. The high-voltage capacitor discharges in the three-axis coils in sequence through one-time charging, a high-intensity magnetic field can be generated, energy is saved, and the frequency of the swinging magnetic field is remarkably improved.

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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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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