Multi-Port Energy Conversion Arrangement for Vehicle Voltage Adaptation
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Solution Overview
Problem
Existing energy conversion systems for vehicles require multiple DC/DC converters to facilitate energy transfer between energy storage units and electric devices at differing voltages, leading to complexity and inefficiency.
Innovation Solution
An energy conversion system that includes an energy source, electric device, and an energy conversion arrangement using capacitors, switches, diodes, and transformers to efficiently transfer energy between energy storage units and electric devices, acting as both DC/DC buck and boost converters, allowing for energy reception and provision via multiple ports with varying voltages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple DC/DC converters are used to transfer energy between energy storage units and electric devices at differing voltages, then energy transfer capability is improved, but device complexity increases
Solution Approach 1:
The energy conversion arrangement is designed to perform multiple functions: it can operate as both a DC/DC buck converter and a DC/DC boost converter, and can transfer energy bidirectionally between different voltage levels. This multi-functionality eliminates the need for separate converters for each function, reducing the overall number of devices required in the vehicle's electrical system.
Solution Approach 2:
The patent combines the functionality of multiple DC/DC converters into a single integrated energy conversion arrangement. By merging the buck converter and boost converter functions into one device with multiple ports, the system achieves the same energy transfer capabilities with fewer components, thereby reducing complexity.
2Adaptability or versatility
If multiple DC/DC converters are used to facilitate energy transfer at differing voltages, then voltage adaptability is improved, but system efficiency deteriorates
Solution Approach 1:
The energy conversion arrangement can operate in multiple modes (buck conversion, boost conversion, bidirectional energy transfer) depending on the voltage requirements between different energy storage units and electric devices. This multi-functionality allows the system to maintain optimal efficiency across varying voltage conditions without requiring separate specialized converters for each mode.
3Device complexity
If a single energy conversion arrangement is used to transfer energy at differing voltages, then device complexity is reduced, but energy transfer versatility deteriorates
Solution Approach 1:
The energy conversion arrangement incorporates multiple ports (first port, second port, and third port) that can operate at different voltage levels. The arrangement can function as a DC/DC buck converter when transferring energy from higher to lower voltage, as a DC/DC boost converter when transferring from lower to higher voltage, and can also receive or provide energy bidirectionally through the third port, achieving high versatility in a single device.
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
The system simplifies energy transfer between energy storage units and electric devices by acting as both buck and boost converters, reducing the need for multiple converters and enhancing efficiency through the use of capacitors, switches, diodes, and transformers, thereby facilitating energy transfer across differing voltage levels.
Implementation Method 1
The arrangement includes a transformer with a primary winding and a secondary winding. The primary winding is electrically connected with the switch and the diode. The secondary winding is electrically connected with the capacitors.
Data Source
AI summary
An energy conversion system transfers energy between an energy source, or storage unit, and an electric device via a first port and a second port and at least one of receives and provides energy via a third port.