Light Source Device Lever Detection Prevents Light Leakage
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Solution Overview
Problem
Existing endoscope devices suffer from light leakage when the light guide member is not connected to the connector, leading to unintended illumination.
Innovation Solution
A light source device equipped with a connector, a lever member, and a detector that inhibits light emission by detecting the connection status of the light guide member, using a lever member displacement to control the light source's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the light source is always on to ensure readiness, then the lighting availability is improved, but light leakage occurs when the light guide member is not connected
Solution Approach 1:
The detector is activated in advance to monitor the connection status of the light guide member before the light source is turned on. This preliminary detection prevents light leakage by ensuring the light source only operates when properly connected, while maintaining lighting availability by being ready to illuminate immediately upon connection.
Solution Approach 2:
The system implements a feedback mechanism where the detector continuously monitors the connection status and provides real-time information to the light source control. This feedback loop ensures the light source operates only when the light guide member is properly connected, preventing light leakage while maintaining readiness.
2Object-generated harmful factors
If the light source is turned off when not connected to prevent light leakage, then light safety is improved, but the readiness and response time deteriorate
Solution Approach 1:
The detector is positioned and activated in advance to detect the connection status immediately when the light guide member is inserted. This preliminary detection action ensures that the light source can be activated without delay once connection is established, maintaining both safety and rapid response time.
Solution Approach 2:
The patent replaces manual checking or mechanical switching mechanisms with an automated optical or electrical detector system. This substitution enables automatic, rapid detection of connection status, eliminating response delays while maintaining light safety through automated control.
3Device complexity
If a simple connector is used without detection mechanisms, then the device complexity is reduced, but the ability to detect connection status and prevent light leakage is lost
Solution Approach 1:
The detector serves multiple functions: it detects connection status, triggers the light source activation, and prevents light leakage. This multi-functionality allows a relatively simple additional component to provide comprehensive connection management without significantly increasing overall device complexity.
Solution Approach 2:
The detector automatically monitors and determines connection status without requiring external intervention or complex control systems. The system self-regulates the light source based on detection results, providing reliable connection status detection with minimal added complexity.
Data Source
AI summary
A light source device includes a connector, a light source, a lever member, and a detector. The connector allows the light guide member to be detachably connected thereto. The light source emits light to be incident on the light guide member connected to the connector. The lever member is displaced depending on presence or absence of the connection of the light guide member to the connector. The detector detects the displacement of the lever member and outputs a detection result.