Reversible Jumper System for Machine Vision Illumination Power
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Solution Overview
Problem
Conventional machine vision systems struggle to supply sufficient power for external illumination due to the limitations of M12 connectors, necessitating bulky and expensive external power sources.
Innovation Solution
The implementation of reversible jumper systems that allow for non-isolated high power or isolated low power selection, enabling machine vision cameras to adequately power external illumination devices through adjustable current flow configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional M12 connectors with electrical isolation are used, then system safety and signal integrity are improved, but power delivery capability deteriorates
Solution Approach 1:
The system dynamically switches between isolated and non-isolated modes based on operational requirements. The reversible jumper block enables the camera to transition between electrically isolated configuration (for signal integrity) and non-isolated configuration (for high power delivery), making the isolation state changeable rather than fixed
Solution Approach 2:
The invention changes the electrical isolation parameter of the connector system. By using a reversible jumper block, the system can alter the isolation state between connected and disconnected, thereby changing the power delivery capability from limited (isolated mode) to high (non-isolated mode) while maintaining signal integrity when needed
2Power
If external power supplies are added to increase power delivery, then illumination capability is improved, but system complexity and cost increase
Solution Approach 1:
The camera system serves its own power needs by utilizing its existing power supply in non-isolated mode to directly power external illumination devices. This self-service approach eliminates the need for separate external power supplies, reducing system complexity while maintaining high illumination capability
Solution Approach 2:
The invention merges the camera's power supply function with the illumination power supply function. By removing the electrical isolation barrier, the camera's internal power supply is combined with the external illumination device's power needs, allowing a single power source to serve multiple functions and eliminate redundant components
Data Source
AI summary
Systems for adjusting power outputs of isolated electronic devices are described. A first connector including an external power pin and a field power pin connects an electronic device to a power supply. The first connector receives a first current level from the power supply at the external power pin, and a second current level from the power supply at the field power pin. A jumper block is configurable in a first position which electrically isolates the external power pin from the field power pin, and a second position which electrically couples the external power pin to the field power pin. The first position directs the first current level from the external power pin to a second connector, and the second position directs a combination of the first current level and the second current level from the external power pin and the field power pin to the second connector.