Power Supply Glanceable Indicator for Short Circuit Detection
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Solution Overview
Problem
Current power supplies lack a multistage indicator to diagnose issues like short circuits or substandard power output without the need for voltmeters or multimeters, limiting consumers' ability to troubleshoot electrical problems.
Innovation Solution
A circuit with a glanceable indicator and current management module integrated into the power supply, allowing users to self-test power reliability by creating a short feedback loop, which visibly indicates the power supply's ability to deliver rated power through distinct LED states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a basic two-stage indicator light is used, then the device complexity is reduced, but the measurement precision of power supply status is insufficient
Solution Approach 1:
The indicator system is segmented into three distinct stages: a first indicator light for power presence, a second indicator light for short circuit detection, and a third indicator light for load connection status. This segmentation allows each indicator to provide specific diagnostic information, resolving the contradiction by enhancing measurement precision through divided functional indicators rather than a single complex multi-state indicator.
2Ease of operation
If no self-test mechanism is provided, then the device complexity is reduced, but the ease of operation for troubleshooting is worsened
Solution Approach 1:
The power supply unit provides self-service diagnostic capability through the third indicator light that automatically indicates when a load is properly connected. The system self-tests by monitoring the electrical state across the output terminals and providing visual feedback without requiring external testing equipment, thereby improving ease of operation while maintaining relatively simple circuitry.
Solution Approach 2:
The indicator circuit incorporates feedback mechanisms where the second and third indicator lights provide real-time visual feedback about the electrical state of the output terminals. This feedback allows users to immediately understand the power supply status and troubleshoot connection issues without specialized knowledge or equipment.
3Measurement precision
If professional testing equipment is required, then the measurement precision is improved, but the ease of operation is worsened
Solution Approach 1:
The indicator lights serve as an intermediary between the complex electrical measurements occurring within the power supply and the user's ability to interpret system status. Instead of requiring users to directly measure electrical parameters with professional equipment, the intermediary indicator system translates these measurements into simple visual states that are easily interpreted, thereby maintaining measurement precision while dramatically 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
Enables consumers to quickly and accurately determine if a power supply is functioning correctly, saving time and money by eliminating it as a troubleshooting variable, and providing a reliable, easy-to-understand indication of electrical integrity without requiring additional tools.
Implementation Method 1
a glanceable indicator, such as a light emitting diode, integrated into the power supply
Implementation Method 2
A status indicator for a power supply combines a glanceable indicator or LED with an electrical circuit for current management including optimal short protection and a positive temperature coefficient resistor
Data Source
AI summary
Improvements in a circuit with a glanceable indicator(s) for power checking and short testing in electrical power supplies is disclosed. Providing a reliable, easily understandable indication of electrical integrity will save consumers time and money by allowing them to quickly and accurately determine whether a power supply is causing an issue or lack of function with their powered device. By eliminating (or identifying) the power supply as the cause of the issue, the consumer will be able to troubleshoot quicker and have a better experience with their devices.