Interlaced on-line isolated double-cuk circuit

An interleaved, circuit technology, applied in the direction of electrical components, AC power input conversion to DC power output, output power conversion devices, etc., can solve the problem that soft turn-on and soft turn-off cannot be realized, and the range of use of Cooke circuits is not very large , large electromagnetic interference and other problems, to achieve the effect of large voltage regulation span, reduce the use of components, and save costs

Inactive Publication Date: 2014-02-12
上海萨能电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the topology of the entire switching power supply, the use range of the Cook circuit is not very large, and the characteristics of soft turn-on and soft turn-off cannot be realized, and the electromagnetic interference (EMC) is relatively large.

Method used

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  • Interlaced on-line isolated double-cuk circuit
  • Interlaced on-line isolated double-cuk circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] As an embodiment of the staggered online isolation double cooker circuit of the present invention, as figure 1 As shown, including the first diode (D1), the second diode (D2), the first energy storage inductor (L1), the second energy storage inductor (L2), the third energy storage inductor (L3), the first Four energy storage inductors (L4), a first capacitor (C1), a second capacitor (C2), a first switching device MOS transistor (Q1) and a second switching device MOS transistor (Q2), the first capacitor (C1) The anode of the positive pole is electrically connected to pin 2 of the first energy storage inductor (L2), and its negative pole is electrically connected to pin 1 of the second energy storage inductor (L2) and the anode of the first diode (D1). The second capacitor The positive pole of (C2) is electrically connected to pin 2 of the third energy storage inductor (L3), and its negative pole is electrically connected to pin 1 of the fourth energy storage inductor (L4...

Embodiment 2

[0022] As an embodiment of the staggered online isolation double cooker circuit of the present invention, as figure 2 As shown, the difference from Embodiment 1 is that the interleaved on-line isolated double cooker circuit includes a first rectifier bridge (B1), and pin 1 of the first rectifier bridge (B1) is connected to the first energy storage inductor (L1 ) pin 1 is electrically connected to pin 1 of the third energy storage inductance (L3), pin 2 of the first rectifier bridge (B1) is electrically connected to the first AC input end, and pin 1 of the first rectifier bridge (B1) Pin 3 is electrically connected to the second AC input terminal, the first switching device MOS transistor (Q1) is connected between the positive pole of the first capacitor (C1) and pin 4 of the first rectifier bridge (B1), The second switching device MOS transistor (Q2) is connected between the positive pole of the second capacitor (C2) and pin 4 of the first rectifier bridge (B1); between the pos...

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Abstract

The invention relates to the technical field of circuits, in particularly to an interlaced on-line isolated double-cuk circuit. The interlaced on-line isolated double-cuk circuit comprises a first diode (D1), a second diode (D2), a first energy-storage inductor (L1), a second energy-storage inductor (L2), a third energy-storage inductor (L3), a fourth energy-storage inductor (L4), a first capacitor (C1), a second capacitor (C2), a first switching device MOS (metal oxide semiconductor) (Q1) and a second switching device MOS (Q2); the interlaced on-line isolated double-cuk circuit is also characterized by comprising at least a rectifier bridge, and at least two diodes and at least a capacitor are arranged between a positive output end V+ and a negative output end V- of a power supply. The invention provides an interlaced on-line isolated double-cuk circuit which has a simple structure and is convenient to operate and control.

Description

technical field [0001] The invention relates to the technical field of switching power supply circuits. On the basis of the original Cook circuit, another circuit is added, specifically an interleaved on-line isolation double Cook circuit. Background technique [0002] The advantages of the Cook circuit are: power factor correction; voltage polarity reversal; and boost and buck functions. In the topology of the entire switching power supply, the use range of the Cook circuit is not very large, and the characteristics of soft turn-on and soft turn-off cannot be realized, and the electromagnetic interference (EMC) is relatively large. Contents of the invention [0003] The invention provides a staggered on-line isolation double cooker circuit with simple structure and convenient operation. [0004] The present invention is achieved through the following technical solutions: [0005] Interleaved online isolation double Cook circuit, including first diode (D1), second diode ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/36H02M1/44H02M7/162
Inventor 葛铮郑强胜董建罗肆
Owner 上海萨能电子科技有限公司
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