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DC boost high-voltage output circuit and DC boost power supply

A DC boost and high voltage output technology, applied in the field of power supply, can solve the problems of DC boost circuit is difficult to achieve high voltage output, design circuit cost is high, and achieve the effect of expanding voltage output range, reducing research and development costs, and high output voltage

Active Publication Date: 2017-01-25
INNO INSTR (CHINA) INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing DC boost circuit is difficult to achieve high voltage output, and the cost of designing the circuit is high, and there is a certain bottleneck

Method used

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  • DC boost high-voltage output circuit and DC boost power supply
  • DC boost high-voltage output circuit and DC boost power supply
  • DC boost high-voltage output circuit and DC boost power supply

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Embodiment Construction

[0029] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0031] see Figure 1-3 , the DC boost high voltage output circuit of the embodiment of the present invention includes: an inductor module 2 , a diode module 3 , a voltage output module 4 , a voltage feedback circuit 5 and a boost conversion control module 6 .

[0032] The input ter...

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PUM

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Abstract

The invention provides a DC boost high-voltage output circuit and a DC boost power supply. The DC boost high-voltage output circuit comprises an inductance module, a diode module, a voltage output module, a voltage feedback circuit and a boost conversion control module, wherein an input end of the inductance module receives a power input signal and is used for converting electric energy into magnetic field energy and storing the magnetic field energy when an output end of the inductance module is low, and converting stored magnetic field energy into electric energy and overlapping the converted electric energy and the electric energy of the power input signal and outputting an overlapped signal when the output end is high; the diode module transmits the overlapped signal when output end is high; the voltage output module is used for outputting a boost signal according to the overlapped signal; the voltage feedback circuit acquires the boost signal and generates a feedback signal according to the boost signal; and the boost conversion control module controls the output end of the inductance module to be low when the feedback signal exceeds a preset threshold voltage, and otherwise controls the output end of the inductance module to be high. The purpose of DC boost and high-voltage output is achieved, and the cost is low.

Description

technical field [0001] The invention relates to power supply technology, in particular to a DC boost high-voltage output circuit and a DC boost power supply. Background technique [0002] DC-DC (DC boost converter) is widely used in power electronics, military industry, scientific research, industrial control equipment, communication equipment, instrumentation, switching equipment, access equipment, mobile communication, routers and other communication fields and industrial control, automotive In electronics, aerospace and other fields, especially in recent years, due to the rapid development of data services and the continuous promotion of distributed power supply systems, the growth rate of power modules has exceeded that of primary power supplies. With the extensive use of semiconductor technology, packaging technology and high-frequency soft switching, DC boost power supplies have special application fields, and there is a demand for DC high-voltage output. It is diffic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/156
CPCH02M3/156
Inventor 李楚元
Owner INNO INSTR (CHINA) INC
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