Single-stage and double-stage switching type circuit
By designing a single-stage and dual-stage switching circuit, and combining the series structure of inductors and control transistors with a DC regulation module, the problems of narrow voltage range of single-stage rectifier circuits and complexity of two-stage rectifier circuits are solved, achieving efficient power conversion and cost optimization in different voltage ranges.
CN223527985UActive Publication Date: 2025-11-07NANJING BOLLAND ELECTRONIC TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202423053312.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Technical Problem
Existing single-stage rectifier circuits have a narrow input voltage range, while two-stage rectifier circuits are complex to design and costly, making it difficult to switch efficiently across different voltage ranges.
Method used
Design a single-stage or dual-stage switching circuit that connects to a DC regulation module via a series inductor and a control transistor. Combined with a high-frequency decoupling capacitor and a PFC inductor, the circuit can switch flexibly, selecting either single-stage or dual-stage rectification mode based on the input voltage range.
Benefits of technology
It achieves efficient power conversion over a wide voltage range, improves the peak efficiency of the circuit, simplifies the design, and reduces costs.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a single-stage and double-stage switching type circuit, which belongs to the technical field of electric energy conversion and comprises a first inductor, a second inductor, a third inductor, a three-phase rectifier bridge, a first control tube, a second control tube, a third control tube and a direct current regulation module, three input ends of the three-phase current bridge are respectively connected in series with the first inductor, the second inductor and the third inductor, and middle points of three bridge arms of the three-phase rectifier bridge are respectively connected with an input end of the direct current adjusting module after passing through the first control tube, the second control tube and the third control tube. The output end of the direct current adjusting module is connected with the load; according to the invention, the single-stage and double-stage rectification conversion circuit can be switched according to needs.
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