Resonant DC/DC Converter Switching for Multiple Voltage Gains
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Solution Overview
Problem
Existing DC/DC converters can only output a single fixed voltage value, requiring replacement to change voltage gain, which is inefficient for applications needing multiple voltage values.
Innovation Solution
A DC/DC converter design with capacitor units and resonance units connected through voltage gain changeover switches, allowing multiple voltage gains in a single circuit structure by switching connections between capacitor units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a voltage converter is designed to output a fixed voltage value, then the circuit structure is simple and reliable, but the adaptability to different voltage requirements is poor
Solution Approach 1:
The patent applies dynamics by making the circuit configuration changeable through switching transistors that can dynamically reconfigure the capacitor connections. The voltage gain can be adjusted by controlling the switching states of the transistors, transforming a static circuit into a dynamic one that adapts to different voltage requirements without physical replacement of components
Solution Approach 2:
The patent implements universality by designing a single voltage converter circuit that can perform multiple voltage conversion functions. By using the same basic circuit structure with switchable capacitor connections, the converter can achieve different voltage gains (e.g., 1/2, 1/3, 1/4) to serve different application scenarios, making one device universal for multiple voltage conversion needs
2Productivity
If voltage gain is changed by replacing the voltage converter, then the voltage requirement is met, but the switching efficiency and time consumption are poor
Solution Approach 1:
The patent enables rapid voltage gain switching through electronic control of switching transistors. Instead of physically replacing converters, the system dynamically reconfigures the capacitor connections by controlling transistor switching states, achieving instantaneous voltage gain changes without mechanical intervention or component replacement
Solution Approach 2:
The voltage converter performs self-adjustment of voltage gain through its internal switching mechanism. The control circuit automatically adjusts the capacitor connections based on the required output voltage, eliminating the need for external intervention or manual replacement of converters, thereby achieving fast and efficient voltage gain switching
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables flexible and efficient switching of voltage gains, accommodating different voltage requirements without replacing components, enhancing versatility and efficiency.
Implementation Method 1
A first terminal and a second terminal of the first resonance unit are respectively connected to two terminals of the second capacitor unit, to form a first resonance circuit of the first resonance unit. A third terminal and a fourth terminal of the first resonance unit are respectively connected to two terminals of the first capacitor unit, to form a second resonance circuit of the first resonance unit.
Data Source
AI summary
A DC/DC converter and a voltage gain switching method and system. A first resonance unit of the DC/DC converter includes a first terminal and a second terminal connected to a second capacitor unit, and a third terminal and a fourth terminal connected to a first capacitor unit. A second resonance unit of the DC/DC converter includes a first terminal connected to a second terminal of the second capacitor unit, and a second terminal of the second resonance unit connected to a first input/output terminal of the DC/DC converter, a third terminal connected to the ground terminal of the DC/DC converter, and a fourth terminal connected to a first voltage gain changeover switch. The DC/DC converter can improve voltage gain switching efficiency.