Modular DC-DC Converter Cable Assembly for Multi-Source Power
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Solution Overview
Problem
Existing DC-DC conversion systems for military applications are either overly complex, requiring operators to program inputs on a central power manager device, or simplified to the point of losing flexibility, failing to efficiently convert power from various sources like helicopters to multiple electronic devices with different voltage requirements.
Innovation Solution
A modular DC-DC conversion system with a housing containing a printed circuit board and copper vacuum tubes for heat dissipation, featuring a three-part cable assembly that operators can quickly assemble without needing to learn specific connections, allowing for flexible power conversion from diverse sources (e.g., helicopters, vehicles, batteries) to multiple outputs (e.g., 12V, 17V, 30V) without requiring programming, and incorporating unique connector sizes for easy identification in low-light conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If DC-DC conversion systems are designed with centralized power management requiring programming, then power conversion capability is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The system automatically detects the connected power source type and configures conversion parameters without operator programming. The microcontroller unit autonomously identifies whether a helicopter battery, vehicle battery, or other DC source is connected and adjusts conversion settings accordingly, eliminating the need for manual configuration while maintaining full power conversion capabilities.
Solution Approach 2:
The DC-DC converter is designed to handle multiple power source types (helicopter batteries, vehicle batteries, other DC sources) and multiple output configurations through a single unified device. The system provides universal compatibility across different military applications without requiring separate specialized equipment for each power source type.
2Ease of operation
If DC-DC conversion systems are simplified for ease of use, then ease of operation is improved, but adaptability to different power sources deteriorates
Solution Approach 1:
The system automatically detects the connected power source type and configures conversion parameters without operator programming. The microcontroller unit autonomously identifies whether a helicopter battery, vehicle battery, or other DC source is connected and adjusts conversion settings accordingly, eliminating the need for manual configuration while maintaining full power conversion capabilities.
Solution Approach 2:
The system incorporates sensors and detection circuits that provide real-time feedback about the connected power source characteristics. This feedback loop enables the control system to automatically adjust conversion parameters based on the detected power source type, ensuring optimal performance across different applications without requiring operator intervention.
3Adaptability or versatility
If multiple connectors are used for different voltage outputs, then adaptability is improved, but device complexity and difficulty of identification worsen
Solution Approach 1:
The connector housing incorporates distinct color coding for different voltage outputs (e.g., red for high voltage, black for low voltage). This visual differentiation allows operators to quickly identify the correct connector for their specific voltage requirements without needing to read labels or understand technical specifications, significantly reducing identification time and errors.
Solution Approach 2:
The connectors are designed with asymmetric physical characteristics such as different sizes, shapes, or pin configurations for different voltage outputs. This asymmetry ensures that only the correct connector can be properly inserted into its designated socket, providing a mechanical fail-safe that prevents mismatched connections while maintaining ease of identification.
4Temperature
If copper vacuum tubes are added for heat dissipation, then temperature control is improved, but device complexity and weight increase
Solution Approach 1:
The copper vacuum tubes are integrated directly into the housing structure, combining the thermal management function with the mechanical housing. This integration eliminates the need for separate heat sink assemblies or additional mounting hardware, reducing overall structural complexity while maintaining effective heat dissipation. The housing serves dual purposes as both structural enclosure and thermal management component.
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 provides flexible and simple power conversion, maintaining situational awareness by allowing operators to quickly connect devices without knowing the operating voltage, while effectively dissipating heat to prevent burns and ensuring reliable power supply in military environments.
Implementation Method 1
copper vacuum tubes for heat dissipation
Implementation Method 2
copper vacuum tubes for heat dissipation
Data Source
AI summary
A direct current (DC)-DC conversion system including at least one DC source, at least one source cable, a DC-DC converter, at least one output cable, and at least one DC load. Each of the at least one source cable includes a source input connector, a source output connector, and a source input cable. The DC-DC converter includes a housing, a DC-DC input connector, and a DC-DC output connector. Each of the at least one output cable includes a load input connector, at least one load output connector, and a load output cable. The DC-DC converter is operable to receive energy from the at least one source via the at least one source cable, and is operable to provide energy to the at least one DC load via the at least one output cable.