Engine-Driven DC Supply Layout for Flexible Load Integration
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Solution Overview
Problem
Existing engine-driven-DC-supply units lack versatility in supplying DC power to various types of external load devices, as they do not account for the varying requirements of precharge functions, DC-to-DC conversion, and communication equipment, leading to potential overlaps and inefficiencies.
Innovation Solution
The engine-driven-DC-supply unit is configured with a controller, electric power converter, and a supportive structure that allows for the integration of precharge circuits, DC-to-DC converters, and communication equipment, which can be positioned to avoid overlaps with external load devices, enabling flexible adaptation to different types of loads and specifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the engine-driven-DC-supply unit is configured with integrated precharge circuits, DC-to-DC converters, and communication equipment, then versatility is improved, but device complexity increases
Solution Approach 1:
The engine-driven-DC-supply unit is designed to provide multiple functions including precharge operations, DC-to-DC conversion, and communication capabilities within a single integrated system. This multi-functional design allows the unit to adapt to various external load devices with different requirements, thereby improving versatility without requiring separate dedicated units for each function.
Solution Approach 2:
The patent combines previously separate functions (precharge circuit, DC-to-DC converter, communication equipment) into a single integrated engine-driven-DC-supply unit. By merging these components and their housing cases, the system reduces the number of separate devices needed while maintaining all required functionalities, thus improving versatility without proportionally increasing complexity.
2Adaptability or versatility
If the electric equipment housing case is positioned to avoid overlap with external load devices, then adaptability is improved, but device complexity increases
Solution Approach 1:
The system is divided into separate housing cases: an engine-driven-DC-supply unit housing case and an electric equipment housing case. This segmentation allows the electric equipment (precharge circuits, DC-to-DC converters, communication equipment) to be positioned independently to avoid overlap with external load devices, thereby improving adaptability while managing complexity through modular design.
Solution Approach 2:
The electric equipment housing case is positioned in a spatial arrangement that avoids overlap with external load devices by utilizing different spatial dimensions or orientations. This dimensional positioning strategy allows all components to coexist without interference, improving adaptability while maintaining a manageable structural complexity through optimized spatial layout.
3Ease of operation
If the engine-driven-DC-supply unit is designed without mechanical power transfer, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The engine-driven-DC-supply unit is designed to eliminate mechanical power transfer to external load devices, replacing mechanical coupling with electrical power conversion and transmission. The engine drives an electric generator that produces electricity, which is then converted to DC power through power conversion circuits. This substitution of mechanical transmission with electrical conversion simplifies the operational interface and reduces mechanical complexity while improving ease of operation.
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
This configuration enhances the versatility of the engine-driven-DC-supply unit, allowing it to supply DC power to a wide range of external load devices while maintaining a compact size and ensuring easy attachment and detachment, thereby improving mountability and reducing the need for mechanical power transfer.
Implementation Method 1
an electric generator; an engine that drives the electric generator to generate electric power
Implementation Method 2
an electric power converter that converts the electric power generated by the electric generator to DC power
Data Source
AI summary
An engine-driven-DC-supply unit, including: an electric generator; an engine driving the electric generator; an electric power converter that converts the electric power generated by the electric generator driven by the engine to DC power; a controller that controls the electric power converter and/or the engine; a controller-housing case that houses at least the controller; a base member that directly or indirectly supports the electric generator, the engine, the electric power converter, and the controller; and an electric-equipment-housing-case supporter disposed in at least one of the electric generator, the engine, the controller-housing case, or the base member, and supporting an electric-equipment-housing case. The electric-equipment-housing case is free of contact with an external load device, when the engine-driven-DC-supply unit is electrically connected to the external load device. The relay circuit, the DC-to-DC converter and the external communication equipment is disposed entirely either in the electric-equipment-housing case or on the external load device.