Endoscope Circuit Board Power Adaptation
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Solution Overview
Problem
Endoscope systems require compatibility with both old and new video processors, which often have different numbers of power supply systems, leading to increased costs due to the need for an endoscope compatible with various power configurations.
Innovation Solution
An endoscope circuit board with a voltage detection circuit and switch mechanism that adapts power supply connections based on the number of power supply systems in the connected video processor, ensuring compatibility with video processors having one, two, or three power supply systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the endoscope is designed to be compatible with multiple power supply configurations (1, 2, or 3 power supplies), then the adaptability increases, but the device complexity increases due to the need for switching mechanisms and detection circuits
Solution Approach 1:
The endoscope circuit board is designed with universal power receiving sections (first and second power receiving sections) that can accept power from different power supply configurations (1, 2, or 3 power supplies). The switching mechanism enables the same circuit board to function with multiple power supply types, making the endoscope universally compatible without requiring separate designs for each configuration.
Solution Approach 2:
The circuit board incorporates a dynamic switching mechanism controlled by a detection circuit that automatically adjusts the power supply connection based on the detected configuration. The switch changes its connection state dynamically depending on whether the system is connected to 1, 2, or 3 power supplies, enabling adaptive operation without manual intervention.
2Adaptability or versatility
If a switching mechanism and voltage detection circuit are added to achieve compatibility, then the adaptability improves, but the manufacturing cost increases
Solution Approach 1:
The voltage detection circuit automatically detects the power supply configuration and controls the switching mechanism without requiring external intervention or complex control systems. The system self-adjusts based on the detected voltage presence, eliminating the need for additional sensors, user inputs, or complex control logic that would increase manufacturing costs.
3Device complexity
If the endoscope uses a single power receiving section connected to both power supply circuits, then the device complexity is reduced, but the reliability decreases when multiple power supplies are present
Solution Approach 1:
The power receiving function is segmented into separate first and second power receiving sections, each dedicated to receiving power from specific power supplies. This segmentation allows the system to independently detect and switch between different power sources, preventing power conflicts and ensuring stable operation when multiple power supplies are present, while maintaining relatively simple circuit design.
Data Source
AI summary
An endoscope circuit board includes: a first power supply system; a second power supply system; a first switch; and a voltage detection circuit, in which when the first switch receives a signal from the voltage detection circuit, if only the first power receiving section receives power, the power received by the first power receiving section is supplied to the first power supply circuit and the second power supply circuit and when the first power receiving section and the second power receiving section receive power, the power received by the first power receiving section is supplied to the first power supply circuit and the power received by the second power receiving section is supplied to the second power supply circuit.