Unlock instant, AI-driven research and patent intelligence for your innovation.

A High Efficiency Isolated Switching Power Supply Suitable for Wide Voltage Range Input

A technology of isolating switching power supply and switching power supply, which is applied in the direction of converting DC power input to DC power output, output power conversion device, electrical components, etc., which can solve the problems of poor dynamic response and stability, and lower converter efficiency, etc., and achieve high Efficient work, simple structure, and flexible design and adjustment

Active Publication Date: 2018-01-09
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in order to balance the practicability and cost of the converter, when the converter works in an extreme state, not only the dynamic response and stability are poor, but the efficiency of the converter is also greatly reduced compared with the normal state

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A High Efficiency Isolated Switching Power Supply Suitable for Wide Voltage Range Input

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] as attached figure 1 As shown, the high-efficiency isolated switching power supply suitable for wide voltage range input of the present invention includes a high-frequency isolation converter and a logic control circuit for the converter, wherein the high-frequency isolation transformer includes two primary windings n 1 and n 2 , a secondary winding n 3 and six switching tubes Q1~Q6; the converter logic control circuit is connected to the gates of the switching tubes Q1~Q6; the source of Q1 is connected to the first primary winding n 1 The terminal of the same name, the drain of Q1 is connected to one end of the input voltage; the drain of Q2 is connected to the first primary winding n 1 The terminal of the same name, the source of Q2 is connected to the other end of the input voltage; the source of Q3 is connected to the second primary winding n 2 The terminal of the same name, the drain of Q3 is connected to the drain of Q1; the drain of Q4 is connected to the seco...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a high-efficiency disconnecting switch power source suitable for wide-voltage-range inputting. The high-efficiency disconnecting switch power source comprises a high-frequency disconnecting converter and a converter logic control circuit. The high-frequency disconnecting converter comprises two primary-end windings, a secondary-end winding and six switch tubes. The switch tubes are controlled by the converter logic control circuit to be switched on or switched off to change the primary-end equivalent windings of the converter so that the high-efficiency work of the high-efficiency disconnecting switch power source in the whole wide voltage inputting range can be achieved. The high-efficiency disconnecting switch power source is simple in structure and flexible in design adjustment, and the high practicability is achieved.

Description

technical field [0001] The invention relates to a switching power supply, in particular to a high-efficiency isolated switching power supply for realizing a wide input voltage range. Background technique [0002] The traditional wide input voltage range isolated switching power supply usually chooses ordinary bridge converter as the main topology. In order to ensure that the converter can work stably within the full input voltage range, the steady-state operating point of the converter design can usually only be selected at the worst working condition. Therefore, in order to balance the practicability and cost of the converter, when the converter works in an extreme state, not only the dynamic response and stability are poor, but the efficiency of the converter is also greatly reduced compared with the normal state. Contents of the invention [0003] In order to solve the problems in the prior art, the invention provides a high-efficiency isolated switching power supply w...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/335
CPCH02M3/33523H02M3/3353
Inventor 张东来谷雨
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL