Wireless Charging Case With Overlapping Power Supply Units
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Solution Overview
Problem
There is a need for a wireless charging device that is portable and can efficiently charge large mobile devices with increased battery capacity, which requires faster charging times due to higher power consumption.
Innovation Solution
A wireless charging device with a case part consisting of two overlapping case portions, each equipped with power supply units and electrodes, allowing for both parallel and overlapping configurations to optimize charging efficiency and speed by increasing the magnitude of the supplied electric field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the battery capacity is increased to meet high power consumption demands, then the device can operate longer, but the charging time increases significantly
Solution Approach 1:
The patent combines multiple power supply units within a single portable charging device, merging their output to deliver higher total power for rapid charging of large-capacity batteries
Solution Approach 2:
The patent implements rapid charging by delivering high power density to skip through the charging process quickly, reducing the time required to charge large-capacity batteries
2Productivity
If multiple power supply units are added to increase charging power, then the charging speed improves, but the device complexity increases
Solution Approach 1:
The patent divides the charging system into multiple independent power supply units that can be modularly assembled, allowing high charging power without proportionally increasing overall system complexity
Solution Approach 2:
The patent designs power supply units with universal interfaces and standardized configurations, enabling them to perform multiple functions and be combined in various arrangements without increasing operational complexity
3Ease of operation
If the charging device is made portable, then the ease of operation improves, but the power output is limited
Solution Approach 1:
The patent nests multiple power supply units within a compact portable housing, allowing high total power output while maintaining portability through space-efficient arrangement
Solution Approach 2:
The patent changes the power density parameter by using high-capacity batteries and efficient power conversion circuits, delivering high power output from a portable-sized device
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
The device enables efficient and rapid charging of multiple devices or larger objects, improving portability and reducing charging time while maintaining a compact form factor.
Implementation Method 1
a power supply part including power supply units disposed in the case portions, respectively
Data Source
AI summary
There is provided a wireless charging device including: a case part including at least two case portions which are configured to be overlapped with each other; and a power supply part including power supply units disposed in the case portions, respectively, wherein when the case portions are overlapped with each other, power supply electrodes of the power supply units are disposed to be overlapped with each other in the same direction, so as to charge at least one target object.