Multi-connector Power Supply with Movable Chassis
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Solution Overview
Problem
Electronic devices face compatibility issues with varying AC power outlets worldwide due to differences in voltage, frequency, and amperage ratings, leading to potential safety concerns when using universal power supplies with mismatched connectors.
Innovation Solution
A power supply with a movable chassis that selectively exposes one of multiple AC power connectors, each with predefined power settings, allowing for automatic invocation of appropriate power settings based on the connected power cord and outlet, ensuring compatibility and safety across different electrical standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a universal power supply with a single high-amperage connector is used, then the device can be powered in high-voltage regions, but it creates safety hazards when connected to low-amperage outlets
Solution Approach 1:
The power supply is segmented into multiple connector types (C13, C19, IEC 60320) with different amperage ratings, allowing the system to divide its power intake capability into discrete, location-appropriate segments rather than using a single universal connector
Solution Approach 2:
The power supply dynamically adapts its connector configuration based on the detected outlet amperage, automatically selecting the appropriate connector type and adjusting power intake parameters to match the connected outlet's capabilities
2Adaptability or versatility
If multiple AC power connectors are always exposed, then the device can be connected to any outlet type, but it increases the risk of incorrect connector selection and safety issues
Solution Approach 1:
The system performs preliminary detection of the connected outlet's voltage and amperage characteristics before enabling power intake, pre-configuring the appropriate connector and power parameters to prevent unsafe operations
Solution Approach 2:
The power supply continuously monitors the connected outlet's electrical characteristics and provides feedback to adjust its operation, ensuring that the connector and power intake settings remain appropriate for the connected outlet type
3Adaptability or versatility
If country-specific power cords are provided for each outlet type, then compatibility with local standards is achieved, but it increases device complexity and user burden
Solution Approach 1:
The power supply incorporates multiple connector types (C13, C19, IEC 60320) in a single universal power supply unit, allowing one device to perform multiple connector functions that would otherwise require separate country-specific power cords
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
Enhances compatibility and safety by allowing the device to be powered with the most appropriate connector for the location, matching electrical demands with outlet specifications, thereby preventing overloading and ensuring compliance with local electrical standards.
Implementation Method 1
An AC/DC converter has an AC input in electronic communication with at least the exposed AC power connector and a DC output for powering one or more electronic component
Data Source
AI summary
An electronic device may be provided with more than one industry-standard type of AC power connector. The electronic device may be powered in any of a variety of locations by selectively exposing one of the power connectors selected according to an AC power outlet available at that location. A location-specific power cord may be used to connect the exposed power connector to the AC power outlet. The location-specific power cord may have, for example, a line socket at one end of a type that matches the exposed power connector, and a power plug at the other end of a type that matches the AC power outlet at the location. Predefined power settings appropriate for use with the AC power outlet and the exposed power connector may be automatically invoked.