Modular power supply for insulating fixed symmetrical output high voltage

A symmetrical output, high-voltage module technology, applied in the direction of output power conversion device, DC power input conversion to DC power output, electrical components, etc., can solve the problems of high-voltage output ripple, narrow application range, beat frequency interference, etc., to achieve Low output ripple, good long-term stability, and small temperature drift

Active Publication Date: 2010-08-25
东文高压电源(天津)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing low-power isolated high-voltage module power supply products are designed for single-channel output, and the application range is narrow. With the development of science and technology, the market has a demand for dual-channel or multi-channel isolated output high-voltage module power supplies with small size, low ripple, and high reliability. It is getting bigger and bigger, and most of the so-called multi-channel outputs on the market are composed of several single-channel isolated power supplies, which are large in size, and there will be beat frequency interference when the switching frequencies are different, making the high voltage Each frequency ripple appears on the output

Method used

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  • Modular power supply for insulating fixed symmetrical output high voltage
  • Modular power supply for insulating fixed symmetrical output high voltage
  • Modular power supply for insulating fixed symmetrical output high voltage

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Embodiment Construction

[0013] Such as figure 1 , 2 , 3, and 4, the isolated and fixed symmetrical output high-voltage module power supply includes a power circuit packaged in the casing 1, and several pins 2 are welded on the power circuit. The power circuit includes a control and drive circuit, a high-voltage feedback circuit, and a symmetrical high-voltage rectifier. The filter and output circuit, the control and drive circuit are connected to the high-voltage feedback circuit through the symmetrical high-voltage filter and output circuit, and the high-voltage feedback circuit is connected to the control and drive circuit;

[0014] The separately excited voltage-controlled oscillation circuit composed of the control chip U1 is adopted, the circuit structure is simple, and at the same time, it is equipped with circuits such as peak absorption and switch working current detection and protection, so that the control of the power supply is flexible and convenient, and the output ripple is reduced. Wi...

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PUM

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Abstract

The invention relates to a modular power supply for insulating fixed symmetrical output high voltage, which comprises a power supply circuit encapsulated in a casing. The power supply circuit is welded with a plurality of guide pins; the power supply circuit comprises a control and drive circuit, a high voltage feedback circuit and a symmetrical high voltage rectifying and filtering and output circuit; the control and drive circuit is connected with the high voltage feedback circuit through the symmetrical high voltage rectifying and filtering and output circuit; and the high voltage feedback circuit is connected with the control and the drive circuit. The modular power supply has the advantages that input is completely insulated with output, and two paths output high voltage symmetrically; the temperature drift is small, and the output ripple is low; under the condition of fixed load, high voltages output by the two paths have better symmetry and good long-term stability; and the modular power supply has small external size, small weight and easy PCB installation.

Description

technical field [0001] The invention relates to an isolated and fixed symmetrical output high-voltage module power supply for auxiliary power supplies of traveling wave tubes and beam tuning tubes, titanium pump power supplies, isotope mass spectrometers and other nuclear physical and chemical instruments, as well as other industrial and medical applications. Background technique [0002] Most of the existing low-power isolated high-voltage module power products are designed for single-channel output, and the application range is narrow. With the development of science and technology, the market has a demand for dual-channel or multi-channel isolated output high-voltage module power supplies with small size, low ripple, and high reliability. It is getting bigger and bigger, and most of the existing so-called multi-channel outputs on the market are composed of several single-channel isolated power supplies, which are large in size, and there will be beat frequency interference...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/28H02M3/335H02M1/14
Inventor 刘云滨殷生鸣于亮
Owner 东文高压电源(天津)股份有限公司
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