Desktop or floor LED lighting device has USB-port(s)
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Solution Overview
Problem
Current desktop items with integrated USB charging ports and outlets lack the ability to efficiently charge multiple devices simultaneously while providing additional functions like illumination, and they often require complex circuitry and multiple transformers, which increases cost and complexity.
Innovation Solution
A desktop item design that incorporates a universal module with a compact USB charging port and outlet unit, utilizing a single AC-to-DC transformer with a secondary DC-to-DC circuit to supply different voltages for LED lighting and charging, allowing for simultaneous charging of multiple devices and integration of additional features like LED lighting and air flow, without the need for multiple transformers or complex controllers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple transformers and complex circuitry are used to enable simultaneous charging of multiple devices with additional functions, then the charging capability and functionality are improved, but the device complexity and cost increase
Solution Approach 1:
The patent combines multiple transformers and circuit functions into a single integrated power management system. The controller selectively distributes power from one AC input through a single transformer to multiple USB ports and outlets, eliminating the need for separate transformers for each function. This merging approach maintains the ability to charge multiple devices simultaneously while significantly reducing circuit complexity.
Solution Approach 2:
The power management system is designed as a universal platform that can serve multiple functions: charging multiple USB devices simultaneously, providing AC power through outlets, and controlling LED illumination. The single transformer and controller architecture supports all these functions through selective power distribution, making the system multi-functional without requiring separate dedicated circuits for each function.
2Reliability
If multiple transformers are used to supply power to different functions, then the power supply reliability is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent merges multiple power supply functions into a single transformer-based system with intelligent power distribution. The controller monitors and manages power allocation to different outputs (USB ports, outlets, LEDs) from one transformer, reducing the total component count and manufacturing complexity while maintaining reliable power supply to all functions through active power management.
Solution Approach 2:
The power management system incorporates automatic power distribution capabilities where the controller selectively allocates power to different functions based on detected needs. The system self-regulates power flow to USB devices, outlets, and LED illumination without manual intervention, ensuring reliable power supply while simplifying the overall architecture and reducing manufacturing costs through fewer components.
3Device complexity
If a single AC-to-DC transformer with DC-to-DC circuit is used to supply different voltages, then the device complexity is reduced, but the adaptability to charge different devices may be limited
Solution Approach 1:
The patent employs a single AC-to-DC transformer coupled with DC-to-DC conversion circuits that can dynamically adjust output voltage parameters. The controller manages these parameter changes to provide appropriate voltages for different device types (USB devices requiring 5V, outlets requiring 120V AC, LED illumination requiring specific DC voltages), maintaining broad device compatibility while using fewer physical transformers.
Solution Approach 2:
The single transformer system is designed with multi-functional capability through the controller that selectively distributes power to different outputs based on device requirements. The system can simultaneously or independently power USB devices, provide AC outlet power, and control LED illumination, achieving universal adaptability across different device types without requiring multiple dedicated transformers for each function.
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 efficient and cost-effective simultaneous charging of multiple devices while providing additional functionalities like LED lighting and air flow, with a simplified circuit design that reduces costs and enhances user convenience.
Implementation Method 1
a LED light source
Data Source
AI summary
Quickly USB Charging ports for lighting device has USB charging-ports which meet 2007 released specification has minimum 1.0 Amp to 5 Amp at DC 5 Volt safety and quickly charging capacity to quickly charge DC current into energy-storage unit or assembly inside the other electric or digital product(s) without high voltage DC current for overheat and fire risk and, optionally, additional outlet-units, to supply AC current to other electric or digital devices including smart phone, computer, communication, consumer electric products. The USB-unit(s) or USB-Module(s) or Outlet-unit(s) fit within or install on anywhere of the item's housing including anywhere of the base, pole, bar, stand, step, contour, edge, walls. The said USB charger only has charging function no any data transmit and only have one input power source not more than one and charging capacity minimum 1.0 Amp up for quickly charge from USB-Charging-ports by 2 male USB-plugs' USB-wire to the device's female USB-ports. The device has 2nd or more circuit-inside of device's housing to supply the current to other functions including other light source, LEDs, Plurality of LEDs has different colors, controller, switch, sensor, motion sensor, PIR, remote controller, IP cam and related IR photo-diode or wireless communication for big current needed which may use 2nd transformer to supply big Amperage and different working voltage to prevent from 1 transformer not only supply USB Charging-ports(s) but also Big Power consumption for LEDs or other light source or other functions need power.